diff --git a/apps/assets/api/asset.py b/apps/assets/api/asset.py
index 50c037df9..b3855eba1 100644
--- a/apps/assets/api/asset.py
+++ b/apps/assets/api/asset.py
@@ -43,6 +43,7 @@ class AssetViewSet(IDInFilterMixin, LabelFilter, BulkModelViewSet):
         queryset = super().get_queryset()
         admin_user_id = self.request.query_params.get('admin_user_id')
         node_id = self.request.query_params.get("node_id")
+        show_current_asset = self.request.query_params.get("show_current_asset")
 
         if admin_user_id:
             admin_user = get_object_or_404(AdminUser, id=admin_user_id)
@@ -51,8 +52,11 @@ class AssetViewSet(IDInFilterMixin, LabelFilter, BulkModelViewSet):
             node = get_object_or_404(Node, id=node_id)
             if not node.is_root():
                 queryset = queryset.filter(
-                    nodes__key__regex='{}(:[0-9]+)*$'.format(node.key),
+                    nodes__key__regex='^{}(:[0-9]+)*$'.format(node.key),
                 ).distinct()
+        if show_current_asset and node_id:
+            queryset = queryset.filter(nodes=node_id).distinct()
+
         return queryset
 
 
diff --git a/apps/assets/api/node.py b/apps/assets/api/node.py
index cc940757f..b0e974f5c 100644
--- a/apps/assets/api/node.py
+++ b/apps/assets/api/node.py
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 from rest_framework import generics, mixins
+from rest_framework.serializers import ValidationError
 from rest_framework.views import APIView
 from rest_framework.response import Response
 from rest_framework_bulk import BulkModelViewSet
@@ -41,7 +42,14 @@ __all__ = [
 class NodeViewSet(BulkModelViewSet):
     queryset = Node.objects.all()
     permission_classes = (IsSuperUser,)
-    serializer_class = serializers.NodeSerializer
+    # serializer_class = serializers.NodeSerializer
+
+    def get_serializer_class(self):
+        show_current_asset = self.request.query_params.get('show_current_asset')
+        if show_current_asset:
+            return serializers.NodeCurrentSerializer
+        else:
+            return serializers.NodeSerializer
 
     def perform_create(self, serializer):
         child_key = Node.root().get_next_child_key()
@@ -83,16 +91,29 @@ class NodeChildrenApi(mixins.ListModelMixin, generics.CreateAPIView):
     serializer_class = serializers.NodeSerializer
     instance = None
 
+    def counter(self):
+        values = [
+            child.value[child.value.rfind(' '):]
+            for child in self.get_object().get_children()
+            if child.value.startswith("新节点 ")
+        ]
+        values = [int(value) for value in values if value.strip().isdigit()]
+        count = max(values)+1 if values else 1
+        return count
+
     def post(self, request, *args, **kwargs):
         if not request.data.get("value"):
-            request.data["value"] = _("New node {}").format(
-                Node.root().get_next_child_key().split(":")[-1]
-            )
+            request.data["value"] = _("New node {}").format(self.counter())
         return super().post(request, *args, **kwargs)
 
     def create(self, request, *args, **kwargs):
         instance = self.get_object()
         value = request.data.get("value")
+        values = [child.value for child in instance.get_children()]
+        if value in values:
+            raise ValidationError(
+                'The same level node name cannot be the same'
+            )
         node = instance.create_child(value=value)
         return Response(
             {"id": node.id, "key": node.key, "value": node.value},
@@ -163,8 +184,9 @@ class NodeAddChildrenApi(generics.UpdateAPIView):
         for node in children:
             if not node:
                 continue
-            node.parent = instance
-            node.save()
+            # node.parent = instance
+            # node.save()
+            node.set_parent(instance)
         return Response("OK")
 
 
@@ -191,6 +213,9 @@ class NodeRemoveAssetsApi(generics.UpdateAPIView):
         instance = self.get_object()
         if instance != Node.root():
             instance.assets.remove(*tuple(assets))
+        else:
+            assets = [asset for asset in assets if asset.nodes.count() > 1]
+            instance.assets.remove(*tuple(assets))
 
 
 class NodeReplaceAssetsApi(generics.UpdateAPIView):
diff --git a/apps/assets/api/system_user.py b/apps/assets/api/system_user.py
index b4e46cc78..1be316567 100644
--- a/apps/assets/api/system_user.py
+++ b/apps/assets/api/system_user.py
@@ -58,6 +58,9 @@ class SystemUserPushApi(generics.RetrieveAPIView):
 
     def retrieve(self, request, *args, **kwargs):
         system_user = self.get_object()
+        nodes = system_user.nodes.all()
+        for node in nodes:
+            system_user.assets.add(*tuple(node.get_all_assets()))
         task = push_system_user_to_assets_manual.delay(system_user)
         return Response({"task": task.id})
 
diff --git a/apps/assets/models/base.py b/apps/assets/models/base.py
index eda00a79a..11afd92cf 100644
--- a/apps/assets/models/base.py
+++ b/apps/assets/models/base.py
@@ -104,10 +104,15 @@ class AssetUser(models.Model):
         if update_fields:
             self.save(update_fields=update_fields)
 
+    def clear_auth(self):
+        self._password = ''
+        self._private_key = ''
+        self.save()
+
     def auto_gen_auth(self):
         password = str(uuid.uuid4())
         private_key, public_key = ssh_key_gen(
-            username=self.username, password=password
+            username=self.username
         )
         self.set_auth(password=password,
                       private_key=private_key,
diff --git a/apps/assets/models/node.py b/apps/assets/models/node.py
index 7939ad1e9..5ee97af9b 100644
--- a/apps/assets/models/node.py
+++ b/apps/assets/models/node.py
@@ -2,7 +2,7 @@
 #
 import uuid
 
-from django.db import models
+from django.db import models, transaction
 from django.utils.translation import ugettext_lazy as _
 
 
@@ -12,7 +12,10 @@ __all__ = ['Node']
 class Node(models.Model):
     id = models.UUIDField(default=uuid.uuid4, primary_key=True)
     key = models.CharField(unique=True, max_length=64, verbose_name=_("Key"))  # '1:1:1:1'
-    value = models.CharField(max_length=128, unique=True, verbose_name=_("Value"))
+    # value = models.CharField(
+    #     max_length=128, unique=True, verbose_name=_("Value")
+    # )
+    value = models.CharField(max_length=128, verbose_name=_("Value"))
     child_mark = models.IntegerField(default=0)
     date_create = models.DateTimeField(auto_now_add=True)
 
@@ -36,6 +39,16 @@ class Node(models.Model):
     def level(self):
         return len(self.key.split(':'))
 
+    def set_parent(self, instance):
+        children = self.get_all_children()
+        old_key = self.key
+        with transaction.atomic():
+            self.parent = instance
+            for child in children:
+                child.key = child.key.replace(old_key, self.key, 1)
+                child.save()
+            self.save()
+
     def get_next_child_key(self):
         mark = self.child_mark
         self.child_mark += 1
@@ -48,7 +61,7 @@ class Node(models.Model):
         return child
 
     def get_children(self):
-        return self.__class__.objects.filter(key__regex=r'{}:[0-9]+$'.format(self.key))
+        return self.__class__.objects.filter(key__regex=r'^{}:[0-9]+$'.format(self.key))
 
     def get_all_children(self):
         return self.__class__.objects.filter(key__startswith='{}:'.format(self.key))
@@ -75,6 +88,11 @@ class Node(models.Model):
             assets = Asset.objects.filter(nodes__in=nodes).distinct()
         return assets
 
+    def get_current_assets(self):
+        from .asset import Asset
+        assets = Asset.objects.filter(nodes=self).distinct()
+        return assets
+
     def has_assets(self):
         return self.get_all_assets()
 
diff --git a/apps/assets/serializers/node.py b/apps/assets/serializers/node.py
index 5b58ff241..b191b0a4f 100644
--- a/apps/assets/serializers/node.py
+++ b/apps/assets/serializers/node.py
@@ -9,7 +9,7 @@ from .asset import AssetGrantedSerializer
 
 __all__ = [
     'NodeSerializer', "NodeGrantedSerializer", "NodeAddChildrenSerializer",
-    "NodeAssetsSerializer",
+    "NodeAssetsSerializer", "NodeCurrentSerializer",
 ]
 
 
@@ -51,6 +51,17 @@ class NodeSerializer(serializers.ModelSerializer):
         fields = ['id', 'key', 'value', 'parent', 'assets_amount', 'is_node']
         list_serializer_class = BulkListSerializer
 
+    def validate(self, data):
+        value = data.get('value')
+        instance = self.instance if self.instance else Node.root()
+        children = instance.parent.get_children().exclude(key=instance.key)
+        values = [child.value for child in children]
+        if value in values:
+            raise serializers.ValidationError(
+                'The same level node name cannot be the same'
+            )
+        return data
+
     @staticmethod
     def get_parent(obj):
         return obj.parent.id
@@ -66,6 +77,12 @@ class NodeSerializer(serializers.ModelSerializer):
         return fields
 
 
+class NodeCurrentSerializer(NodeSerializer):
+    @staticmethod
+    def get_assets_amount(obj):
+        return obj.get_current_assets().count()
+
+
 class NodeAssetsSerializer(serializers.ModelSerializer):
     assets = serializers.PrimaryKeyRelatedField(many=True, queryset=Asset.objects.all())
 
diff --git a/apps/assets/templates/assets/_asset_list_modal.html b/apps/assets/templates/assets/_asset_list_modal.html
index c5cd48857..db7d165e0 100644
--- a/apps/assets/templates/assets/_asset_list_modal.html
+++ b/apps/assets/templates/assets/_asset_list_modal.html
@@ -98,7 +98,10 @@ function initTree2() {
     $.get("{% url 'api-assets:node-list' %}", function(data, status){
         $.each(data, function (index, value) {
             value["pId"] = value["parent"];
-            value["open"] = true;
+            {#value["open"] = true;#}
+            if (value["key"] === "0") {
+                value["open"] = true;
+            }
             value["name"] = value["value"] + ' (' + value['assets_amount'] + ')';
             value['value'] = value['value'];
         });
diff --git a/apps/assets/templates/assets/_system_user.html b/apps/assets/templates/assets/_system_user.html
index 528e271e6..314967d22 100644
--- a/apps/assets/templates/assets/_system_user.html
+++ b/apps/assets/templates/assets/_system_user.html
@@ -55,7 +55,7 @@
                                 {% bootstrap_field form.private_key_file layout="horizontal" %}
                             </div>
                             <div class="form-group">
-                                <label for="{{ form.as_push.id_for_label }}" class="col-sm-2 control-label">{% trans 'Auto push' %}</label>
+                                <label for="{{ form.auto_push.id_for_label }}" class="col-sm-2 control-label">{% trans 'Auto push' %}</label>
                                 <div class="col-sm-8">
                                     {{ form.auto_push}}
                                 </div>
@@ -79,43 +79,50 @@
     </div>
 {% endblock %}
 {% block custom_foot_js %}
-    <script>
-        var auto_generate_key = '#'+'{{ form.auto_generate_key.id_for_label }}';
-        var protocol_id = '#' + '{{ form.protocol.id_for_label }}';
-        var password_id = '#' + '{{ form.password.id_for_label }}';
-        var private_key_id = '#' + '{{ form.private_key_file.id_for_label }}';
-        var sudo_id = '#' + '{{ form.sudo.id_for_label }}';
-        var shell_id = '#' + '{{ form.shell.id_for_label }}';
+<script>
+var auto_generate_key = '#'+'{{ form.auto_generate_key.id_for_label }}';
+var protocol_id = '#' + '{{ form.protocol.id_for_label }}';
+var private_key_id = '#' + '{{ form.private_key_file.id_for_label }}';
+var auto_push_id = '#' + '{{ form.auto_push.id_for_label }}';
+var sudo_id = '#' + '{{ form.sudo.id_for_label }}';
+var shell_id = '#' + '{{ form.shell.id_for_label }}';
+var need_change_field = [
+    auto_generate_key, private_key_id, auto_push_id, sudo_id, shell_id
+];
 
-        var need_change_field = [auto_generate_key, private_key_id, sudo_id, shell_id] ;
+function protocolChange() {
+    if ($(protocol_id + " option:selected").text() === 'rdp') {
+        $('.auth-fields').removeClass('hidden');
+        $.each(need_change_field, function (index, value) {
+            $(value).closest('.form-group').addClass('hidden')
+        });
+    } else {
+        authFieldsDisplay();
+        $.each(need_change_field, function (index, value) {
+            $(value).closest('.form-group').removeClass('hidden')
+        });
+    }
+}
 
-        function authFieldsDisplay() {
-            if ($(auto_generate_key).prop('checked')) {
-                $('.auth-fields').addClass('hidden');
-            } else {
-                $('.auth-fields').removeClass('hidden');
-            }
-        }
+function authFieldsDisplay() {
+    if ($(auto_generate_key).prop('checked')) {
+        $('.auth-fields').addClass('hidden');
+    } else {
+        $('.auth-fields').removeClass('hidden');
+    }
+}
 
-        function protocolChange() {
-            if ($(protocol_id).attr('value') === 'rdp') {
-                $.each(need_change_field, function (index, value) {
-                    $(value).addClass('hidden')
-                });
-                $(password_id).removeClass('hidden')
-            } else {
-                $.each(need_change_field, function (index, value) {
-                    $(value).removeClass('hidden')
-                });
-            }
-        }
-        $(document).ready(function () {
-            $('.select2').select2();
-            authFieldsDisplay();
-            protocolChange();
-            $(auto_generate_key).change(function () {
-                authFieldsDisplay();
-            });
-        })
-    </script>
+$(document).ready(function () {
+    $('.select2').select2();
+    authFieldsDisplay();
+    protocolChange();
+})
+.on('change', protocol_id, function(){
+    protocolChange();
+})
+.on('change', auto_generate_key, function(){
+    authFieldsDisplay();
+});
+
+</script>
 {% endblock %}
\ No newline at end of file
diff --git a/apps/assets/templates/assets/admin_user_assets.html b/apps/assets/templates/assets/admin_user_assets.html
index 80ff0cd5f..31314392f 100644
--- a/apps/assets/templates/assets/admin_user_assets.html
+++ b/apps/assets/templates/assets/admin_user_assets.html
@@ -124,7 +124,7 @@ $(document).ready(function () {
     var success = function (data) {
         var task_id = data.task;
         var url = '{% url "ops:celery-task-log" pk=DEFAULT_PK %}'.replace("{{ DEFAULT_PK }}", task_id);
-        window.open(url, '', 'width=800,height=600')
+        window.open(url, '', 'width=800,height=600,left=400,top=400')
     };
     APIUpdateAttr({
         url: the_url,
diff --git a/apps/assets/templates/assets/asset_detail.html b/apps/assets/templates/assets/asset_detail.html
index 0b1b2865a..b07a7c348 100644
--- a/apps/assets/templates/assets/asset_detail.html
+++ b/apps/assets/templates/assets/asset_detail.html
@@ -190,7 +190,7 @@
                                                 <td colspan="2" class="no-borders">
                                                     <select data-placeholder="{% trans 'Nodes' %}" id="groups_selected" class="select2 groups" style="width: 100%" multiple="" tabindex="4">
                                                         {% for node in nodes_remain %}
-                                                        <option value="{{ node.id }}" id="opt_{{ node.id }}" >{{ node.name }}</option>
+                                                        <option value="{{ node.id }}" id="opt_{{ node.id }}" >{{ node }}</option>
                                                         {% endfor %}
                                                     </select>
                                                 </td>
@@ -204,7 +204,7 @@
 
                                         {% for node in asset.nodes.all %}
                                         <tr>
-                                          <td ><b class="bdg_node" data-gid={{ node.id }}>{{ node.name }}</b></td>
+                                          <td ><b class="bdg_node" data-gid={{ node.id }}>{{ node }}</b></td>
                                           <td>
                                               <button class="btn btn-danger pull-right btn-xs btn-leave-node" type="button"><i class="fa fa-minus"></i></button>
                                           </td>
diff --git a/apps/assets/templates/assets/asset_list.html b/apps/assets/templates/assets/asset_list.html
index 04ba11e57..0100e1e7f 100644
--- a/apps/assets/templates/assets/asset_list.html
+++ b/apps/assets/templates/assets/asset_list.html
@@ -47,7 +47,6 @@
                    <div class="file-manager ">
                        <div id="assetTree" class="ztree">
                        </div>
-
                        <div class="clearfix"></div>
                    </div>
                </div>
@@ -87,7 +86,7 @@
                            <th class="text-center">{% trans 'IP' %}</th>
                            <th class="text-center">{% trans 'Hardware' %}</th>
                            <th class="text-center">{% trans 'Active' %}</th>
-                           <th class="text-center">{% trans 'Reachable' %}</th>
+{#                           <th class="text-center">{% trans 'Reachable' %}</th>#}
                            <th class="text-center">{% trans 'Action' %}</th>
                        </tr>
                    </thead>
@@ -127,6 +126,9 @@
         <li class="divider"></li>
         <li id="menu_refresh_hardware_info" class="btn-refresh-hardware" tabindex="-1"><a><i class="fa fa-refresh"></i> {% trans 'Refresh node hardware info' %}</a></li>
         <li id="menu_test_connective" class="btn-test-connective" tabindex="-1"><a><i class="fa fa-chain"></i> {% trans 'Test node connective' %}</a></li>
+        <li class="divider"></li>
+        <li id="show_current_asset" class="btn-show-current-asset" style="display: none;" tabindex="-1"><a><i class="fa fa-hand-o-up"></i> {% trans 'Display only current node assets' %}</a></li>
+        <li id="show_all_asset" class="btn-show-all-asset" style="display: none;" tabindex="-1"><a><i class="fa fa-th"></i> {% trans 'Displays all child node assets' %}</a></li>
     </ul>
 </div>
 
@@ -157,26 +159,35 @@ function initTable() {
                     $(td).html('<i class="fa fa-check text-navy"></i>')
                 }
             }},
-            {targets: 5, createdCell: function (td, cellData) {
-                if (cellData === 'Unknown'){
-                    $(td).html('<i class="fa fa-circle text-warning"></i>')
-                } else if (!cellData) {
-                    $(td).html('<i class="fa fa-circle text-danger"></i>')
-                } else {
-                    $(td).html('<i class="fa fa-circle text-navy"></i>')
-                }
-            }},
-            {targets: 6, createdCell: function (td, cellData, rowData) {
+
+            {#{targets: 5, createdCell: function (td, cellData) {#}
+            {#    if (cellData === 'Unknown'){#}
+            {#        $(td).html('<i class="fa fa-circle text-warning"></i>')#}
+            {#    } else if (!cellData) {#}
+            {#        $(td).html('<i class="fa fa-circle text-danger"></i>')#}
+            {#    } else {#}
+            {#        $(td).html('<i class="fa fa-circle text-navy"></i>')#}
+            {#    }#}
+            {# }},#}
+
+            {targets: 5, createdCell: function (td, cellData, rowData) {
                 var update_btn = '<a href="{% url "assets:asset-update" pk=DEFAULT_PK %}" class="btn btn-xs btn-info">{% trans "Update" %}</a>'.replace("{{ DEFAULT_PK }}", cellData);
                 var del_btn = '<a class="btn btn-xs btn-danger m-l-xs btn_asset_delete" data-uid="{{ DEFAULT_PK }}">{% trans "Delete" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
                 $(td).html(update_btn + del_btn)
             }}
         ],
         ajax_url: '{% url "api-assets:asset-list" %}',
+
+        {#columns: [#}
+        {#    {data: "id"}, {data: "hostname" }, {data: "ip" },#}
+        {#    {data: "cpu_cores"}, {data: "is_active", orderable: false },#}
+        {#    {data: "is_connective", orderable: false}, {data: "id", orderable: false }#}
+        {#],#}
+
         columns: [
             {data: "id"}, {data: "hostname" }, {data: "ip" },
             {data: "cpu_cores"}, {data: "is_active", orderable: false },
-            {data: "is_connective", orderable: false}, {data: "id", orderable: false }
+            {data: "id", orderable: false }
         ],
         op_html: $('#actions').html()
     };
@@ -200,6 +211,8 @@ function addTreeNode() {
             };
             newNode.checked = zTree.getSelectedNodes()[0].checked;
             zTree.addNodes(parentNode, 0, newNode);
+            var node = zTree.getNodeByParam('id', newNode.id, parentNode)
+            zTree.editName(node);
         } else {
             alert("{% trans 'Create node failed' %}")
         }
@@ -230,9 +243,9 @@ function removeTreeNode() {
 
 function editTreeNode() {
     hideRMenu();
-	var current_node = zTree.getSelectedNodes()[0];
-	if (!current_node){
-	    return
+    var current_node = zTree.getSelectedNodes()[0];
+    if (!current_node){
+        return
     }
     if (current_node.value) {
         current_node.name = current_node.value;
@@ -290,6 +303,7 @@ function onRename(event, treeId, treeNode, isCancel){
 function onSelected(event, treeNode) {
     var url = asset_table.ajax.url();
     url = setUrlParam(url, "node_id", treeNode.id);
+    url = setUrlParam(url, "show_current_asset", getCookie('show_current_asset'));
     setCookie('node_selected', treeNode.id);
     asset_table.ajax.url(url);
     asset_table.ajax.reload();
@@ -382,12 +396,13 @@ function initTree() {
     };
 
     var zNodes = [];
-    $.get("{% url 'api-assets:node-list' %}", function(data, status){
+    var query_params = {'show_current_asset': getCookie('show_current_asset')};
+    $.get("{% url 'api-assets:node-list' %}", query_params, function(data, status){
         $.each(data, function (index, value) {
             value["pId"] = value["parent"];
-            {#if (value["key"] === "0") {#}
-            value["open"] = true;
-            {# }#}
+            if (value["key"] === "0") {
+                value["open"] = true;
+             }
             value["name"] = value["value"] + ' (' + value['assets_amount'] + ')';
             value['value'] = value['value'];
         });
@@ -417,6 +432,13 @@ function toggle() {
 $(document).ready(function(){
     initTable();
     initTree();
+
+    if(getCookie('show_current_asset') === 'yes'){
+        $('#show_all_asset').css('display', 'inline-block');
+    }
+    else{
+        $('#show_current_asset').css('display', 'inline-block');
+    }
 })
 .on('click', '.labels li', function () {
     var val = $(this).text();
@@ -535,6 +557,20 @@ $(document).ready(function(){
         flash_message: false
     });
 })
+.on('click', '.btn-show-current-asset', function(){
+    hideRMenu();
+    $(this).css('display', 'none');
+    $('#show_all_asset').css('display', 'inline-block');
+    setCookie('show_current_asset', 'yes');
+    location.reload();
+})
+.on('click', '.btn-show-all-asset', function(){
+    hideRMenu();
+    $(this).css('display', 'none');
+    $('#show_current_asset').css('display', 'inline-block');
+    setCookie('show_current_asset', '');
+    location.reload();
+})
 .on('click', '.btn_asset_delete', function () {
     var $this = $(this);
     var $data_table = $("#asset_list_table").DataTable();
diff --git a/apps/assets/templates/assets/domain_gateway_list.html b/apps/assets/templates/assets/domain_gateway_list.html
index 581f6c08a..c2d5528ee 100644
--- a/apps/assets/templates/assets/domain_gateway_list.html
+++ b/apps/assets/templates/assets/domain_gateway_list.html
@@ -85,6 +85,9 @@ function initTable() {
                 var update_btn = '<a href="{% url "assets:domain-gateway-update" pk=DEFAULT_PK %}" class="btn btn-xs btn-info">{% trans "Update" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
                 var del_btn = '<a class="btn btn-xs btn-danger m-l-xs btn-delete" data-uid="{{ DEFAULT_PK }}">{% trans "Delete" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
                 var test_btn = '<a class="btn btn-xs btn-warning m-l-xs btn-test" data-uid="{{ DEFAULT_PK }}">{% trans "Test connection" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
+                if(rowData.protocol === 'rdp'){
+                    test_btn = '<a class="btn btn-xs btn-warning m-l-xs btn-test" disabled data-uid="{{ DEFAULT_PK }}">{% trans "Test connection" %}</a>'.replace('{{ DEFAULT_PK }}', cellData);
+                }
                 $(td).html(update_btn + test_btn + del_btn)
              }}
         ],
@@ -120,7 +123,6 @@ $(document).ready(function(){
         success_message: "可连接",
         fail_message: "连接失败"
     })
-
-})
+});
 </script>
 {% endblock %}
diff --git a/apps/assets/templates/assets/gateway_create_update.html b/apps/assets/templates/assets/gateway_create_update.html
index 7d6800c41..e0b10ba73 100644
--- a/apps/assets/templates/assets/gateway_create_update.html
+++ b/apps/assets/templates/assets/gateway_create_update.html
@@ -66,3 +66,28 @@
         </div>
     </div>
 {% endblock %}
+
+{% block custom_foot_js %}
+<script>
+var protocol_id = '#' + '{{ form.protocol.id_for_label }}';
+var private_key_id = '#' + '{{ form.private_key_file.id_for_label }}';
+var port = '#' + '{{ form.port.id_for_label }}';
+
+function protocolChange() {
+    if ($(protocol_id + " option:selected").text() === 'rdp') {
+        $(port).val(3389);
+        $(private_key_id).closest('.form-group').addClass('hidden')
+    } else {
+        $(port).val(22);
+        $(private_key_id).closest('.form-group').removeClass('hidden')
+    }
+}
+
+$(document).ready(function(){
+    protocolChange();
+})
+.on('change', protocol_id, function(){
+    protocolChange();
+});
+</script>
+{% endblock %}
\ No newline at end of file
diff --git a/apps/assets/templates/assets/system_user_detail.html b/apps/assets/templates/assets/system_user_detail.html
index a02bf1e44..cc686a62b 100644
--- a/apps/assets/templates/assets/system_user_detail.html
+++ b/apps/assets/templates/assets/system_user_detail.html
@@ -64,14 +64,14 @@
                                         </tr>
                                         <tr>
                                             <td>{% trans 'Protocol' %}:</td>
-                                            <td><b>{{ system_user.protocol }}</b></td>
+                                            <td><b id="id_protocol_type">{{ system_user.protocol }}</b></td>
                                         </tr>
-                                        <tr>
+                                        <tr class="only-ssh">
                                             <td>{% trans 'Sudo' %}:</td>
                                             <td><b>{{ system_user.sudo }}</b></td>
                                         </tr>
                                         {% if system_user.shell %}
-                                        <tr>
+                                        <tr class="only-ssh">
                                             <td>{% trans 'Shell' %}:</td>
                                             <td><b>{{ system_user.shell }}</b></td>
                                         </tr>
@@ -107,7 +107,7 @@
                         </div>
 
                         <div class="col-sm-4" style="padding-left: 0;padding-right: 0">
-                            <div class="panel panel-primary">
+                            <div class="panel panel-primary only-ssh">
                                 <div class="panel-heading">
                                     <i class="fa fa-info-circle"></i> {% trans 'Quick update' %}
                                 </div>
@@ -236,6 +236,9 @@ function updateSystemUserNode(nodes) {
 }
 jumpserver.nodes_selected = {};
 $(document).ready(function () {
+    if($('#id_protocol_type').text() === 'rdp'){
+        $('.only-ssh').addClass('hidden')
+    }
     $('.select2').select2()
     .on('select2:select', function(evt) {
             var data = evt.params.data;
@@ -296,7 +299,7 @@ $(document).ready(function () {
     var success = function (data) {
         var task_id = data.task;
         var url = '{% url "ops:celery-task-log" pk=DEFAULT_PK %}'.replace("{{ DEFAULT_PK }}", task_id);
-        window.open(url, '', 'width=800,height=600')
+        window.open(url, '', 'width=800,height=600,left=400,top=400')
     };
     APIUpdateAttr({
         url: the_url,
diff --git a/apps/assets/templates/assets/system_user_update.html b/apps/assets/templates/assets/system_user_update.html
index 46ef8d6a3..7e1590db5 100644
--- a/apps/assets/templates/assets/system_user_update.html
+++ b/apps/assets/templates/assets/system_user_update.html
@@ -15,10 +15,3 @@
     </div>
 {% endblock %}
 
-{% block custom_foot_js %}
-	<script>
-    $(document).ready(function () {
-        $('.select2').select2();
-    })
-	</script>
-{% endblock %}
\ No newline at end of file
diff --git a/apps/common/api.py b/apps/common/api.py
index 4b74b6b0d..209d09747 100644
--- a/apps/common/api.py
+++ b/apps/common/api.py
@@ -96,14 +96,7 @@ class LDAPTestingAPI(APIView):
 
 class DjangoSettingsAPI(APIView):
     def get(self, request):
-        if not settings.DEBUG:
-            return Response('Only debug mode support')
-
-        configs = {}
-        for i in dir(settings):
-            if i.isupper():
-                configs[i] = str(getattr(settings, i))
-        return Response(configs)
+        return Response('Danger, Close now')
 
 
 
diff --git a/apps/i18n/zh/LC_MESSAGES/django.mo b/apps/i18n/zh/LC_MESSAGES/django.mo
index 038e65f43..36220e321 100644
Binary files a/apps/i18n/zh/LC_MESSAGES/django.mo and b/apps/i18n/zh/LC_MESSAGES/django.mo differ
diff --git a/apps/i18n/zh/LC_MESSAGES/django.po b/apps/i18n/zh/LC_MESSAGES/django.po
index 2dc77a3fd..8f95f9291 100644
--- a/apps/i18n/zh/LC_MESSAGES/django.po
+++ b/apps/i18n/zh/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Jumpserver 0.3.3\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-04-27 11:39+0800\n"
+"POT-Creation-Date: 2018-05-08 17:24+0800\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: ibuler <ibuler@qq.com>\n"
 "Language-Team: Jumpserver team<ibuler@qq.com>\n"
@@ -17,15 +17,15 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: assets/api/node.py:88
+#: assets/api/node.py:96
 msgid "New node {}"
 msgstr "新节点 {}"
 
-#: assets/api/node.py:217
+#: assets/api/node.py:225
 msgid "更新节点资产硬件信息: {}"
 msgstr ""
 
-#: assets/api/node.py:230
+#: assets/api/node.py:238
 msgid "测试节点下资产是否可连接: {}"
 msgstr ""
 
@@ -46,7 +46,7 @@ msgstr "管理用户"
 #: assets/forms/asset.py:30 assets/forms/asset.py:69 assets/forms/asset.py:125
 #: assets/templates/assets/asset_create.html:35
 #: assets/templates/assets/asset_create.html:37
-#: assets/templates/assets/asset_list.html:75
+#: assets/templates/assets/asset_list.html:74
 #: assets/templates/assets/asset_update.html:40
 #: assets/templates/assets/asset_update.html:42
 #: assets/templates/assets/user_asset_list.html:34
@@ -206,7 +206,7 @@ msgstr "高优先级的系统用户将会作为默认登录用户"
 #: assets/templates/assets/_asset_list_modal.html:46
 #: assets/templates/assets/admin_user_assets.html:52
 #: assets/templates/assets/asset_detail.html:61
-#: assets/templates/assets/asset_list.html:87
+#: assets/templates/assets/asset_list.html:86
 #: assets/templates/assets/domain_gateway_list.html:57
 #: assets/templates/assets/system_user_asset.html:50
 #: assets/templates/assets/user_asset_list.html:46 common/forms.py:144
@@ -220,7 +220,7 @@ msgstr "IP"
 #: assets/models/asset.py:62 assets/templates/assets/_asset_list_modal.html:45
 #: assets/templates/assets/admin_user_assets.html:51
 #: assets/templates/assets/asset_detail.html:57
-#: assets/templates/assets/asset_list.html:86
+#: assets/templates/assets/asset_list.html:85
 #: assets/templates/assets/system_user_asset.html:49
 #: assets/templates/assets/user_asset_list.html:45 common/forms.py:143
 #: perms/templates/perms/asset_permission_asset.html:54
@@ -650,7 +650,7 @@ msgstr "重置"
 #: assets/templates/assets/admin_user_create_update.html:46
 #: assets/templates/assets/asset_bulk_update.html:24
 #: assets/templates/assets/asset_create.html:67
-#: assets/templates/assets/asset_list.html:108
+#: assets/templates/assets/asset_list.html:107
 #: assets/templates/assets/asset_update.html:71
 #: assets/templates/assets/domain_create_update.html:17
 #: assets/templates/assets/gateway_create_update.html:59
@@ -699,7 +699,6 @@ msgstr "资产列表"
 
 #: assets/templates/assets/admin_user_assets.html:54
 #: assets/templates/assets/admin_user_list.html:26
-#: assets/templates/assets/asset_list.html:90
 #: assets/templates/assets/system_user_asset.html:52
 #: assets/templates/assets/system_user_list.html:30
 #: users/templates/users/user_group_granted_asset.html:47
@@ -728,7 +727,7 @@ msgstr "测试"
 #: assets/templates/assets/admin_user_detail.html:24
 #: assets/templates/assets/admin_user_list.html:85
 #: assets/templates/assets/asset_detail.html:24
-#: assets/templates/assets/asset_list.html:170
+#: assets/templates/assets/asset_list.html:174
 #: assets/templates/assets/domain_detail.html:24
 #: assets/templates/assets/domain_detail.html:103
 #: assets/templates/assets/domain_gateway_list.html:85
@@ -752,7 +751,7 @@ msgstr "更新"
 #: assets/templates/assets/admin_user_detail.html:28
 #: assets/templates/assets/admin_user_list.html:86
 #: assets/templates/assets/asset_detail.html:28
-#: assets/templates/assets/asset_list.html:171
+#: assets/templates/assets/asset_list.html:175
 #: assets/templates/assets/domain_detail.html:28
 #: assets/templates/assets/domain_detail.html:104
 #: assets/templates/assets/domain_gateway_list.html:86
@@ -783,7 +782,7 @@ msgstr "选择节点"
 
 #: assets/templates/assets/admin_user_detail.html:100
 #: assets/templates/assets/asset_detail.html:200
-#: assets/templates/assets/asset_list.html:600
+#: assets/templates/assets/asset_list.html:634
 #: assets/templates/assets/system_user_detail.html:183
 #: assets/templates/assets/system_user_list.html:138 templates/_modal.html:22
 #: terminal/templates/terminal/session_detail.html:108
@@ -815,7 +814,7 @@ msgid "Ratio"
 msgstr "比例"
 
 #: assets/templates/assets/admin_user_list.html:30
-#: assets/templates/assets/asset_list.html:91
+#: assets/templates/assets/asset_list.html:90
 #: assets/templates/assets/domain_gateway_list.html:62
 #: assets/templates/assets/domain_list.html:18
 #: assets/templates/assets/label_list.html:17
@@ -856,7 +855,7 @@ msgid "Quick modify"
 msgstr "快速修改"
 
 #: assets/templates/assets/asset_detail.html:143
-#: assets/templates/assets/asset_list.html:89
+#: assets/templates/assets/asset_list.html:88
 #: assets/templates/assets/user_asset_list.html:47 perms/models.py:35
 #: perms/models.py:79
 #: perms/templates/perms/asset_permission_create_update.html:47
@@ -886,89 +885,97 @@ msgstr "刷新"
 msgid "Update successfully!"
 msgstr "更新成功"
 
-#: assets/templates/assets/asset_list.html:63 assets/views/asset.py:97
+#: assets/templates/assets/asset_list.html:62 assets/views/asset.py:97
 msgid "Create asset"
 msgstr "创建资产"
 
-#: assets/templates/assets/asset_list.html:67
+#: assets/templates/assets/asset_list.html:66
 #: users/templates/users/user_list.html:7
 msgid "Import"
 msgstr "导入"
 
-#: assets/templates/assets/asset_list.html:70
+#: assets/templates/assets/asset_list.html:69
 #: users/templates/users/user_list.html:10
 msgid "Export"
 msgstr "导出"
 
-#: assets/templates/assets/asset_list.html:88
+#: assets/templates/assets/asset_list.html:87
 msgid "Hardware"
 msgstr "硬件"
 
-#: assets/templates/assets/asset_list.html:100
+#: assets/templates/assets/asset_list.html:99
 #: users/templates/users/user_list.html:37
 msgid "Delete selected"
 msgstr "批量删除"
 
-#: assets/templates/assets/asset_list.html:101
+#: assets/templates/assets/asset_list.html:100
 #: users/templates/users/user_list.html:38
 msgid "Update selected"
 msgstr "批量更新"
 
-#: assets/templates/assets/asset_list.html:102
+#: assets/templates/assets/asset_list.html:101
 msgid "Remove from this node"
 msgstr "从节点移除"
 
-#: assets/templates/assets/asset_list.html:103
+#: assets/templates/assets/asset_list.html:102
 #: users/templates/users/user_list.html:39
 msgid "Deactive selected"
 msgstr "禁用所选"
 
-#: assets/templates/assets/asset_list.html:104
+#: assets/templates/assets/asset_list.html:103
 #: users/templates/users/user_list.html:40
 msgid "Active selected"
 msgstr "激活所选"
 
-#: assets/templates/assets/asset_list.html:121
+#: assets/templates/assets/asset_list.html:120
 msgid "Add node"
 msgstr "新建节点"
 
-#: assets/templates/assets/asset_list.html:122
+#: assets/templates/assets/asset_list.html:121
 msgid "Rename node"
 msgstr "重命名节点"
 
-#: assets/templates/assets/asset_list.html:123
+#: assets/templates/assets/asset_list.html:122
 msgid "Delete node"
 msgstr "删除节点"
 
-#: assets/templates/assets/asset_list.html:125
+#: assets/templates/assets/asset_list.html:124
 msgid "Add assets to node"
 msgstr "添加资产到节点"
 
-#: assets/templates/assets/asset_list.html:126
+#: assets/templates/assets/asset_list.html:125
 msgid "Move assets to node"
 msgstr "移动资产到节点"
 
-#: assets/templates/assets/asset_list.html:128
+#: assets/templates/assets/asset_list.html:127
 msgid "Refresh node hardware info"
 msgstr "更新节点资产硬件信息"
 
-#: assets/templates/assets/asset_list.html:129
+#: assets/templates/assets/asset_list.html:128
 msgid "Test node connective"
 msgstr "测试节点资产可连接性"
 
-#: assets/templates/assets/asset_list.html:204
+#: assets/templates/assets/asset_list.html:130
+msgid "Display only current node assets"
+msgstr "仅显示当前节点资产"
+
+#: assets/templates/assets/asset_list.html:131
+msgid "Displays all child node assets"
+msgstr "显示所有子节点资产"
+
+#: assets/templates/assets/asset_list.html:215
 msgid "Create node failed"
 msgstr "创建节点失败"
 
-#: assets/templates/assets/asset_list.html:216
+#: assets/templates/assets/asset_list.html:227
 msgid "Have child node, cancel"
 msgstr "存在子节点，不能删除"
 
-#: assets/templates/assets/asset_list.html:218
+#: assets/templates/assets/asset_list.html:229
 msgid "Have assets, cancel"
 msgstr "存在资产，不能删除"
 
-#: assets/templates/assets/asset_list.html:595
+#: assets/templates/assets/asset_list.html:629
 #: assets/templates/assets/system_user_list.html:133
 #: users/templates/users/user_detail.html:357
 #: users/templates/users/user_detail.html:382
@@ -977,20 +984,20 @@ msgstr "存在资产，不能删除"
 msgid "Are you sure?"
 msgstr "你确认吗?"
 
-#: assets/templates/assets/asset_list.html:596
+#: assets/templates/assets/asset_list.html:630
 msgid "This will delete the selected assets !!!"
 msgstr "删除选择资产"
 
-#: assets/templates/assets/asset_list.html:604
+#: assets/templates/assets/asset_list.html:638
 msgid "Asset Deleted."
 msgstr "已被删除"
 
-#: assets/templates/assets/asset_list.html:605
-#: assets/templates/assets/asset_list.html:610
+#: assets/templates/assets/asset_list.html:639
+#: assets/templates/assets/asset_list.html:644
 msgid "Asset Delete"
 msgstr "删除"
 
-#: assets/templates/assets/asset_list.html:609
+#: assets/templates/assets/asset_list.html:643
 msgid "Asset Deleting failed."
 msgstr "删除失败"
 
diff --git a/apps/ops/api.py b/apps/ops/api.py
index 0134fbd4a..35c9b8dc5 100644
--- a/apps/ops/api.py
+++ b/apps/ops/api.py
@@ -72,7 +72,7 @@ class CeleryTaskLogApi(generics.RetrieveAPIView):
 
     def get(self, request, *args, **kwargs):
         mark = request.query_params.get("mark") or str(uuid.uuid4())
-        task = super().get_object()
+        task = self.get_object()
         log_path = task.full_log_path
 
         if not log_path or not os.path.isfile(log_path):
diff --git a/apps/ops/templates/ops/adhoc_history_detail.html b/apps/ops/templates/ops/adhoc_history_detail.html
index 16adbc4e3..b8a48d4e5 100644
--- a/apps/ops/templates/ops/adhoc_history_detail.html
+++ b/apps/ops/templates/ops/adhoc_history_detail.html
@@ -19,7 +19,7 @@
                                 <a href="{% url 'ops:adhoc-history-detail' pk=object.pk %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'Run history detail' %} </a>
                             </li>
                             <li>
-                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.pk %}','', 'width=800,height=600')"><i class="fa fa-laptop"></i> {% trans 'Output' %} </a>
+                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.pk %}','', 'width=800,height=600,left=400,top=400')"><i class="fa fa-laptop"></i> {% trans 'Output' %} </a>
                             </li>
                         </ul>
                     </div>
diff --git a/apps/ops/templates/ops/celery_task_log.html b/apps/ops/templates/ops/celery_task_log.html
index 9b0826949..13885c2cc 100644
--- a/apps/ops/templates/ops/celery_task_log.html
+++ b/apps/ops/templates/ops/celery_task_log.html
@@ -2,38 +2,25 @@
 <head>
     <title>term.js</title>
     <script src="{% static 'js/jquery-2.1.1.js' %}"></script>
+    <script src="{% static 'js/plugins/xterm/xterm.js' %}"></script>
+    <link rel="stylesheet" href="{% static 'js/plugins/xterm/xterm.css' %}" />
     <style>
-      html {
-        background: #000;
-      }
-      h1 {
-        margin-bottom: 20px;
-        font: 20px/1.5 sans-serif;
-      }
-      .terminal {
-        float: left;
-        font-family: 'Monaco', 'Consolas', "DejaVu Sans Mono", "Liberation Mono", monospace;
-        font-size: 12px;
-        color: #f0f0f0;
-        background-color: #555;
-        padding: 20px 20px 20px;
-      }
-      .terminal-cursor {
-        color: #000;
-        background: #f0f0f0;
-      }
+        body {
+            background-color: black;
+        }
+        .xterm-rows {
+            {#padding: 15px;#}
+            font-family: "Bitstream Vera Sans Mono", Monaco, "Consolas", Courier, monospace;
+            font-size: 13px;
+        }
     </style>
 </head>
-<div class="container">
-    <div id="term">
+    <div id="term" style="height: 100%;width: 100%">
     </div>
-</div>
 
-
-<script src="{% static 'js/term.js' %}"></script>
 <script>
-    var rowHeight = 1;
-    var colWidth = 1;
+    var rowHeight = 18;
+    var colWidth = 10;
     var mark = '';
     var url = "{% url 'api-ops:celery-task-log' pk=object.id %}";
     var term;
@@ -42,13 +29,16 @@
     var interval = 200;
 
     function calWinSize() {
-        var t = $('.terminal');
-        rowHeight = 1.00 * t.height() / 24;
-        colWidth = 1.00 * t.width() / 80;
+        var t = $('#marker');
+        {#rowHeight = 1.00 * t.height();#}
+        {#colWidth = 1.00 * t.width() / 6;#}
     }
     function resize() {
-       var rows = Math.floor(window.innerHeight / rowHeight) - 2;
-       var cols = Math.floor(window.innerWidth / colWidth) - 10;
+        {#console.log(rowHeight, window.innerHeight);#}
+        {#console.log(colWidth, window.innerWidth);#}
+       var rows = Math.floor(window.innerHeight / rowHeight) - 1;
+       var cols = Math.floor(window.innerWidth / colWidth) - 2;
+       console.log(rows, cols);
        term.resize(cols, rows);
     }
     function requestAndWrite() {
@@ -74,21 +64,18 @@
         }
     }
     $(document).ready(function () {
-        term = new Terminal({
-            cols: 80,
-            rows: 24,
-            useStyle: true,
-            screenKeys: false,
-            convertEol: false,
-            cursorBlink: false
-        });
-        term.open();
-        term.on('data', function (data) {
-            term.write(data.replace('\r', '\r\n'))
-        });
-        calWinSize();
+        term = new Terminal();
+        term.open(document.getElementById('term'));
+        term.resize(80, 24);
         resize();
-        $('.terminal').detach().appendTo('#term');
+        term.on('data', function (data) {
+            {#term.write(data.replace('\r', '\r\n'))#}
+            term.write(data);
+        });
+        window.onresize = function () {
+            resize()
+        };
+        {#$('.terminal').detach().appendTo('#term');#}
         setInterval(function () {
             requestAndWrite()
         }, interval)
diff --git a/apps/ops/templates/ops/task_adhoc.html b/apps/ops/templates/ops/task_adhoc.html
index 2762e3f8c..82c25e667 100644
--- a/apps/ops/templates/ops/task_adhoc.html
+++ b/apps/ops/templates/ops/task_adhoc.html
@@ -25,7 +25,7 @@
                                 <a href="{% url 'ops:task-history' pk=object.pk %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'Run history' %} </a>
                             </li>
                             <li>
-                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
+                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600,left=400,top=400')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
                             </li>
                         </ul>
                     </div>
diff --git a/apps/ops/templates/ops/task_detail.html b/apps/ops/templates/ops/task_detail.html
index f6e832bd7..cd39d0a2c 100644
--- a/apps/ops/templates/ops/task_detail.html
+++ b/apps/ops/templates/ops/task_detail.html
@@ -25,7 +25,7 @@
                                 <a href="{% url 'ops:task-history' pk=object.pk %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'Run history' %} </a>
                             </li>
                             <li>
-                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
+                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600,left=400,top=400')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
                             </li>
                         </ul>
                     </div>
diff --git a/apps/ops/templates/ops/task_history.html b/apps/ops/templates/ops/task_history.html
index 9604b3402..184987766 100644
--- a/apps/ops/templates/ops/task_history.html
+++ b/apps/ops/templates/ops/task_history.html
@@ -25,7 +25,7 @@
                                 <a href="{% url 'ops:task-history' pk=object.pk %}" class="text-center"><i class="fa fa-laptop"></i> {% trans 'Run history' %} </a>
                             </li>
                             <li>
-                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
+                                <a class="text-center celery-task-log" onclick="window.open('{% url 'ops:celery-task-log' pk=object.latest_history.pk %}','', 'width=800,height=600,left=400,top=400')"><i class="fa fa-laptop"></i> {% trans 'Last run output' %} </a>
                             </li>
                         </ul>
                     </div>
diff --git a/apps/ops/templates/ops/task_list.html b/apps/ops/templates/ops/task_list.html
index 2b65c9e3e..1b18f206c 100644
--- a/apps/ops/templates/ops/task_list.html
+++ b/apps/ops/templates/ops/task_list.html
@@ -115,7 +115,7 @@ $(document).ready(function() {
     var success = function(data) {
         var task_id = data.task;
         var url = '{% url "ops:celery-task-log" pk=DEFAULT_PK %}'.replace("{{ DEFAULT_PK }}", task_id);
-        window.open(url, '', 'width=800,height=600')
+        window.open(url, '', 'width=800,height=600,left=400,top=400')
     };
     APIUpdateAttr({
         url: the_url,
diff --git a/apps/perms/templates/perms/asset_permission_list.html b/apps/perms/templates/perms/asset_permission_list.html
index afec34269..c18f12224 100644
--- a/apps/perms/templates/perms/asset_permission_list.html
+++ b/apps/perms/templates/perms/asset_permission_list.html
@@ -226,7 +226,7 @@ function initTree() {
         },
         async: {
 			enable: true,
-			url: "{% url 'api-assets:node-children-2' %}?assets=1&all=1",
+			url: "{% url 'api-assets:node-children-2' %}?assets=1&all=",
 			autoParam:["id", "name=n", "level=lv"],
 			dataFilter: filter,
             type: 'get'
@@ -238,7 +238,7 @@ function initTree() {
     };
 
     var zNodes = [];
-    $.get("{% url 'api-assets:node-children-2' %}?assets=1&all=1", function(data, status){
+    $.get("{% url 'api-assets:node-children-2' %}?assets=1&all=", function(data, status){
         $.each(data, function (index, value) {
             value["pId"] = value["parent"];
             value["name"] = value["value"];
@@ -250,7 +250,7 @@ function initTree() {
         {#$.fn.zTree.init($("#assetTree"), setting);#}
         $.fn.zTree.init($("#assetTree"), setting, zNodes);
         zTree = $.fn.zTree.getZTreeObj("assetTree");
-        selectQueryNode();
+        {#selectQueryNode();#}
     });
 }
 
@@ -304,6 +304,7 @@ $(document).ready(function(){
 
     if (row.child.isShown()) {
         tr.removeClass('details');
+        $(this).children('i:first-child').removeClass('fa-angle-down').addClass('fa-angle-right');
         row.child.hide();
 
         // Remove from the 'open' array
@@ -311,7 +312,7 @@ $(document).ready(function(){
     }
     else {
         tr.addClass('details');
-        $('.toggle i').removeClass('fa-angle-right').addClass('fa-angle-down');
+        $(this).children('i:first-child').removeClass('fa-angle-right').addClass('fa-angle-down');
         row.child(format(row.data())).show();
         // Add to the 'open' array
         if ( idx === -1 ) {
diff --git a/apps/perms/views.py b/apps/perms/views.py
index 17b8637cc..9afbc6ffe 100644
--- a/apps/perms/views.py
+++ b/apps/perms/views.py
@@ -42,7 +42,7 @@ class AssetPermissionCreateView(AdminUserRequiredMixin, CreateView):
 
         if nodes_id:
             nodes_id = nodes_id.split(",")
-            nodes = Node.objects.filter(id__in=nodes_id)
+            nodes = Node.objects.filter(id__in=nodes_id).exclude(id=Node.root().id)
             form['nodes'].initial = nodes
         if assets_id:
             assets_id = assets_id.split(",")
diff --git a/apps/static/js/plugins/xterm/xterm.css b/apps/static/js/plugins/xterm/xterm.css
new file mode 100644
index 000000000..89daf9e3e
--- /dev/null
+++ b/apps/static/js/plugins/xterm/xterm.css
@@ -0,0 +1,2261 @@
+/**
+ * xterm.js: xterm, in the browser
+ * Copyright (c) 2014-2016, SourceLair Private Company (www.sourcelair.com (MIT License)
+ * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
+ * https://github.com/chjj/term.js
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Originally forked from (with the author's permission):
+ *   Fabrice Bellard's javascript vt100 for jslinux:
+ *   http://bellard.org/jslinux/
+ *   Copyright (c) 2011 Fabrice Bellard
+ *   The original design remains. The terminal itself
+ *   has been extended to include xterm CSI codes, among
+ *   other features.
+ */
+
+/*
+ *  Default style for xterm.js
+ */
+
+.terminal {
+    background-color: #000;
+    color: #fff;
+    font-family: courier-new, courier, monospace;
+    font-feature-settings: "liga" 0;
+    position: relative;
+    user-select: none;
+    -ms-user-select: none;
+    -webkit-user-select: none;
+}
+
+.terminal.focus,
+.terminal:focus {
+    outline: none;
+}
+
+.terminal .xterm-helpers {
+    position: absolute;
+    top: 0;
+}
+
+.terminal .xterm-helper-textarea {
+    /*
+     * HACK: to fix IE's blinking cursor
+     * Move textarea out of the screen to the far left, so that the cursor is not visible.
+     */
+    position: absolute;
+    opacity: 0;
+    left: -9999em;
+    top: 0;
+    width: 0;
+    height: 0;
+    z-index: -10;
+    /** Prevent wrapping so the IME appears against the textarea at the correct position */
+    white-space: nowrap;
+    overflow: hidden;
+    resize: none;
+}
+
+.terminal a {
+    color: inherit;
+    text-decoration: none;
+}
+
+.terminal a:hover {
+    cursor: pointer;
+    text-decoration: underline;
+}
+
+.terminal a.xterm-invalid-link:hover {
+    cursor: text;
+    text-decoration: none;
+}
+
+.terminal .terminal-cursor {
+    position: relative;
+}
+
+.terminal:not(.focus) .terminal-cursor {
+    outline: 1px solid #fff;
+    outline-offset: -1px;
+}
+
+.terminal.xterm-cursor-style-block.focus:not(.xterm-cursor-blink-on) .terminal-cursor {
+    background-color: #fff;
+    color: #000;
+}
+
+.terminal.focus.xterm-cursor-style-bar:not(.xterm-cursor-blink-on) .terminal-cursor::before,
+.terminal.focus.xterm-cursor-style-underline:not(.xterm-cursor-blink-on) .terminal-cursor::before {
+    content: '';
+    position: absolute;
+    background-color: #fff;
+}
+
+.terminal.focus.xterm-cursor-style-bar:not(.xterm-cursor-blink-on) .terminal-cursor::before {
+    top: 0;
+    left: 0;
+    bottom: 0;
+    width: 1px;
+}
+
+.terminal.focus.xterm-cursor-style-underline:not(.xterm-cursor-blink-on) .terminal-cursor::before {
+    bottom: 0;
+    left: 0;
+    right: 0;
+    height: 1px;
+}
+
+.terminal .composition-view {
+    background: #000;
+    color: #FFF;
+    display: none;
+    position: absolute;
+    white-space: nowrap;
+    z-index: 1;
+}
+
+.terminal .composition-view.active {
+    display: block;
+}
+
+.terminal .xterm-viewport {
+    /* On OS X this is required in order for the scroll bar to appear fully opaque */
+    background-color: #000;
+    overflow-y: scroll;
+}
+
+.terminal .xterm-wide-char,
+.terminal .xterm-normal-char {
+    display: inline-block;
+}
+
+.terminal .xterm-rows {
+    position: absolute;
+    left: 0;
+    top: 0;
+}
+
+.terminal .xterm-rows > div {
+    /* Lines containing spans and text nodes ocassionally wrap despite being the same width (#327) */
+    white-space: nowrap;
+}
+
+.terminal .xterm-scroll-area {
+    visibility: hidden;
+}
+
+.terminal .xterm-char-measure-element {
+    display: inline-block;
+    visibility: hidden;
+    position: absolute;
+    left: -9999em;
+}
+
+.terminal.enable-mouse-events {
+    /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */
+    cursor: default;
+}
+
+.terminal .xterm-selection {
+    position: absolute;
+    top: 0;
+    left: 0;
+    z-index: 1;
+    opacity: 0.3;
+    pointer-events: none;
+}
+
+.terminal .xterm-selection div {
+    position: absolute;
+    background-color: #fff;
+}
+
+/*
+ *  Determine default colors for xterm.js
+ */
+.terminal .xterm-bold {
+    font-weight: bold;
+}
+
+.terminal .xterm-underline {
+    text-decoration: underline;
+}
+
+.terminal .xterm-blink {
+    text-decoration: blink;
+}
+
+.terminal .xterm-blink.xterm-underline {
+    text-decoration: blink underline;
+}
+
+.terminal .xterm-hidden {
+    visibility: hidden;
+}
+
+.terminal .xterm-color-0 {
+    color: #2e3436;
+}
+
+.terminal .xterm-bg-color-0 {
+    background-color: #2e3436;
+}
+
+.terminal .xterm-color-1 {
+    color: #cc0000;
+}
+
+.terminal .xterm-bg-color-1 {
+    background-color: #cc0000;
+}
+
+.terminal .xterm-color-2 {
+    color: #4e9a06;
+}
+
+.terminal .xterm-bg-color-2 {
+    background-color: #4e9a06;
+}
+
+.terminal .xterm-color-3 {
+    color: #c4a000;
+}
+
+.terminal .xterm-bg-color-3 {
+    background-color: #c4a000;
+}
+
+.terminal .xterm-color-4 {
+    color: #3465a4;
+}
+
+.terminal .xterm-bg-color-4 {
+    background-color: #3465a4;
+}
+
+.terminal .xterm-color-5 {
+    color: #75507b;
+}
+
+.terminal .xterm-bg-color-5 {
+    background-color: #75507b;
+}
+
+.terminal .xterm-color-6 {
+    color: #06989a;
+}
+
+.terminal .xterm-bg-color-6 {
+    background-color: #06989a;
+}
+
+.terminal .xterm-color-7 {
+    color: #d3d7cf;
+}
+
+.terminal .xterm-bg-color-7 {
+    background-color: #d3d7cf;
+}
+
+.terminal .xterm-color-8 {
+    color: #555753;
+}
+
+.terminal .xterm-bg-color-8 {
+    background-color: #555753;
+}
+
+.terminal .xterm-color-9 {
+    color: #ef2929;
+}
+
+.terminal .xterm-bg-color-9 {
+    background-color: #ef2929;
+}
+
+.terminal .xterm-color-10 {
+    color: #8ae234;
+}
+
+.terminal .xterm-bg-color-10 {
+    background-color: #8ae234;
+}
+
+.terminal .xterm-color-11 {
+    color: #fce94f;
+}
+
+.terminal .xterm-bg-color-11 {
+    background-color: #fce94f;
+}
+
+.terminal .xterm-color-12 {
+    color: #729fcf;
+}
+
+.terminal .xterm-bg-color-12 {
+    background-color: #729fcf;
+}
+
+.terminal .xterm-color-13 {
+    color: #ad7fa8;
+}
+
+.terminal .xterm-bg-color-13 {
+    background-color: #ad7fa8;
+}
+
+.terminal .xterm-color-14 {
+    color: #34e2e2;
+}
+
+.terminal .xterm-bg-color-14 {
+    background-color: #34e2e2;
+}
+
+.terminal .xterm-color-15 {
+    color: #eeeeec;
+}
+
+.terminal .xterm-bg-color-15 {
+    background-color: #eeeeec;
+}
+
+.terminal .xterm-color-16 {
+    color: #000000;
+}
+
+.terminal .xterm-bg-color-16 {
+    background-color: #000000;
+}
+
+.terminal .xterm-color-17 {
+    color: #00005f;
+}
+
+.terminal .xterm-bg-color-17 {
+    background-color: #00005f;
+}
+
+.terminal .xterm-color-18 {
+    color: #000087;
+}
+
+.terminal .xterm-bg-color-18 {
+    background-color: #000087;
+}
+
+.terminal .xterm-color-19 {
+    color: #0000af;
+}
+
+.terminal .xterm-bg-color-19 {
+    background-color: #0000af;
+}
+
+.terminal .xterm-color-20 {
+    color: #0000d7;
+}
+
+.terminal .xterm-bg-color-20 {
+    background-color: #0000d7;
+}
+
+.terminal .xterm-color-21 {
+    color: #0000ff;
+}
+
+.terminal .xterm-bg-color-21 {
+    background-color: #0000ff;
+}
+
+.terminal .xterm-color-22 {
+    color: #005f00;
+}
+
+.terminal .xterm-bg-color-22 {
+    background-color: #005f00;
+}
+
+.terminal .xterm-color-23 {
+    color: #005f5f;
+}
+
+.terminal .xterm-bg-color-23 {
+    background-color: #005f5f;
+}
+
+.terminal .xterm-color-24 {
+    color: #005f87;
+}
+
+.terminal .xterm-bg-color-24 {
+    background-color: #005f87;
+}
+
+.terminal .xterm-color-25 {
+    color: #005faf;
+}
+
+.terminal .xterm-bg-color-25 {
+    background-color: #005faf;
+}
+
+.terminal .xterm-color-26 {
+    color: #005fd7;
+}
+
+.terminal .xterm-bg-color-26 {
+    background-color: #005fd7;
+}
+
+.terminal .xterm-color-27 {
+    color: #005fff;
+}
+
+.terminal .xterm-bg-color-27 {
+    background-color: #005fff;
+}
+
+.terminal .xterm-color-28 {
+    color: #008700;
+}
+
+.terminal .xterm-bg-color-28 {
+    background-color: #008700;
+}
+
+.terminal .xterm-color-29 {
+    color: #00875f;
+}
+
+.terminal .xterm-bg-color-29 {
+    background-color: #00875f;
+}
+
+.terminal .xterm-color-30 {
+    color: #008787;
+}
+
+.terminal .xterm-bg-color-30 {
+    background-color: #008787;
+}
+
+.terminal .xterm-color-31 {
+    color: #0087af;
+}
+
+.terminal .xterm-bg-color-31 {
+    background-color: #0087af;
+}
+
+.terminal .xterm-color-32 {
+    color: #0087d7;
+}
+
+.terminal .xterm-bg-color-32 {
+    background-color: #0087d7;
+}
+
+.terminal .xterm-color-33 {
+    color: #0087ff;
+}
+
+.terminal .xterm-bg-color-33 {
+    background-color: #0087ff;
+}
+
+.terminal .xterm-color-34 {
+    color: #00af00;
+}
+
+.terminal .xterm-bg-color-34 {
+    background-color: #00af00;
+}
+
+.terminal .xterm-color-35 {
+    color: #00af5f;
+}
+
+.terminal .xterm-bg-color-35 {
+    background-color: #00af5f;
+}
+
+.terminal .xterm-color-36 {
+    color: #00af87;
+}
+
+.terminal .xterm-bg-color-36 {
+    background-color: #00af87;
+}
+
+.terminal .xterm-color-37 {
+    color: #00afaf;
+}
+
+.terminal .xterm-bg-color-37 {
+    background-color: #00afaf;
+}
+
+.terminal .xterm-color-38 {
+    color: #00afd7;
+}
+
+.terminal .xterm-bg-color-38 {
+    background-color: #00afd7;
+}
+
+.terminal .xterm-color-39 {
+    color: #00afff;
+}
+
+.terminal .xterm-bg-color-39 {
+    background-color: #00afff;
+}
+
+.terminal .xterm-color-40 {
+    color: #00d700;
+}
+
+.terminal .xterm-bg-color-40 {
+    background-color: #00d700;
+}
+
+.terminal .xterm-color-41 {
+    color: #00d75f;
+}
+
+.terminal .xterm-bg-color-41 {
+    background-color: #00d75f;
+}
+
+.terminal .xterm-color-42 {
+    color: #00d787;
+}
+
+.terminal .xterm-bg-color-42 {
+    background-color: #00d787;
+}
+
+.terminal .xterm-color-43 {
+    color: #00d7af;
+}
+
+.terminal .xterm-bg-color-43 {
+    background-color: #00d7af;
+}
+
+.terminal .xterm-color-44 {
+    color: #00d7d7;
+}
+
+.terminal .xterm-bg-color-44 {
+    background-color: #00d7d7;
+}
+
+.terminal .xterm-color-45 {
+    color: #00d7ff;
+}
+
+.terminal .xterm-bg-color-45 {
+    background-color: #00d7ff;
+}
+
+.terminal .xterm-color-46 {
+    color: #00ff00;
+}
+
+.terminal .xterm-bg-color-46 {
+    background-color: #00ff00;
+}
+
+.terminal .xterm-color-47 {
+    color: #00ff5f;
+}
+
+.terminal .xterm-bg-color-47 {
+    background-color: #00ff5f;
+}
+
+.terminal .xterm-color-48 {
+    color: #00ff87;
+}
+
+.terminal .xterm-bg-color-48 {
+    background-color: #00ff87;
+}
+
+.terminal .xterm-color-49 {
+    color: #00ffaf;
+}
+
+.terminal .xterm-bg-color-49 {
+    background-color: #00ffaf;
+}
+
+.terminal .xterm-color-50 {
+    color: #00ffd7;
+}
+
+.terminal .xterm-bg-color-50 {
+    background-color: #00ffd7;
+}
+
+.terminal .xterm-color-51 {
+    color: #00ffff;
+}
+
+.terminal .xterm-bg-color-51 {
+    background-color: #00ffff;
+}
+
+.terminal .xterm-color-52 {
+    color: #5f0000;
+}
+
+.terminal .xterm-bg-color-52 {
+    background-color: #5f0000;
+}
+
+.terminal .xterm-color-53 {
+    color: #5f005f;
+}
+
+.terminal .xterm-bg-color-53 {
+    background-color: #5f005f;
+}
+
+.terminal .xterm-color-54 {
+    color: #5f0087;
+}
+
+.terminal .xterm-bg-color-54 {
+    background-color: #5f0087;
+}
+
+.terminal .xterm-color-55 {
+    color: #5f00af;
+}
+
+.terminal .xterm-bg-color-55 {
+    background-color: #5f00af;
+}
+
+.terminal .xterm-color-56 {
+    color: #5f00d7;
+}
+
+.terminal .xterm-bg-color-56 {
+    background-color: #5f00d7;
+}
+
+.terminal .xterm-color-57 {
+    color: #5f00ff;
+}
+
+.terminal .xterm-bg-color-57 {
+    background-color: #5f00ff;
+}
+
+.terminal .xterm-color-58 {
+    color: #5f5f00;
+}
+
+.terminal .xterm-bg-color-58 {
+    background-color: #5f5f00;
+}
+
+.terminal .xterm-color-59 {
+    color: #5f5f5f;
+}
+
+.terminal .xterm-bg-color-59 {
+    background-color: #5f5f5f;
+}
+
+.terminal .xterm-color-60 {
+    color: #5f5f87;
+}
+
+.terminal .xterm-bg-color-60 {
+    background-color: #5f5f87;
+}
+
+.terminal .xterm-color-61 {
+    color: #5f5faf;
+}
+
+.terminal .xterm-bg-color-61 {
+    background-color: #5f5faf;
+}
+
+.terminal .xterm-color-62 {
+    color: #5f5fd7;
+}
+
+.terminal .xterm-bg-color-62 {
+    background-color: #5f5fd7;
+}
+
+.terminal .xterm-color-63 {
+    color: #5f5fff;
+}
+
+.terminal .xterm-bg-color-63 {
+    background-color: #5f5fff;
+}
+
+.terminal .xterm-color-64 {
+    color: #5f8700;
+}
+
+.terminal .xterm-bg-color-64 {
+    background-color: #5f8700;
+}
+
+.terminal .xterm-color-65 {
+    color: #5f875f;
+}
+
+.terminal .xterm-bg-color-65 {
+    background-color: #5f875f;
+}
+
+.terminal .xterm-color-66 {
+    color: #5f8787;
+}
+
+.terminal .xterm-bg-color-66 {
+    background-color: #5f8787;
+}
+
+.terminal .xterm-color-67 {
+    color: #5f87af;
+}
+
+.terminal .xterm-bg-color-67 {
+    background-color: #5f87af;
+}
+
+.terminal .xterm-color-68 {
+    color: #5f87d7;
+}
+
+.terminal .xterm-bg-color-68 {
+    background-color: #5f87d7;
+}
+
+.terminal .xterm-color-69 {
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+.terminal .xterm-color-198 {
+    color: #ff0087;
+}
+
+.terminal .xterm-bg-color-198 {
+    background-color: #ff0087;
+}
+
+.terminal .xterm-color-199 {
+    color: #ff00af;
+}
+
+.terminal .xterm-bg-color-199 {
+    background-color: #ff00af;
+}
+
+.terminal .xterm-color-200 {
+    color: #ff00d7;
+}
+
+.terminal .xterm-bg-color-200 {
+    background-color: #ff00d7;
+}
+
+.terminal .xterm-color-201 {
+    color: #ff00ff;
+}
+
+.terminal .xterm-bg-color-201 {
+    background-color: #ff00ff;
+}
+
+.terminal .xterm-color-202 {
+    color: #ff5f00;
+}
+
+.terminal .xterm-bg-color-202 {
+    background-color: #ff5f00;
+}
+
+.terminal .xterm-color-203 {
+    color: #ff5f5f;
+}
+
+.terminal .xterm-bg-color-203 {
+    background-color: #ff5f5f;
+}
+
+.terminal .xterm-color-204 {
+    color: #ff5f87;
+}
+
+.terminal .xterm-bg-color-204 {
+    background-color: #ff5f87;
+}
+
+.terminal .xterm-color-205 {
+    color: #ff5faf;
+}
+
+.terminal .xterm-bg-color-205 {
+    background-color: #ff5faf;
+}
+
+.terminal .xterm-color-206 {
+    color: #ff5fd7;
+}
+
+.terminal .xterm-bg-color-206 {
+    background-color: #ff5fd7;
+}
+
+.terminal .xterm-color-207 {
+    color: #ff5fff;
+}
+
+.terminal .xterm-bg-color-207 {
+    background-color: #ff5fff;
+}
+
+.terminal .xterm-color-208 {
+    color: #ff8700;
+}
+
+.terminal .xterm-bg-color-208 {
+    background-color: #ff8700;
+}
+
+.terminal .xterm-color-209 {
+    color: #ff875f;
+}
+
+.terminal .xterm-bg-color-209 {
+    background-color: #ff875f;
+}
+
+.terminal .xterm-color-210 {
+    color: #ff8787;
+}
+
+.terminal .xterm-bg-color-210 {
+    background-color: #ff8787;
+}
+
+.terminal .xterm-color-211 {
+    color: #ff87af;
+}
+
+.terminal .xterm-bg-color-211 {
+    background-color: #ff87af;
+}
+
+.terminal .xterm-color-212 {
+    color: #ff87d7;
+}
+
+.terminal .xterm-bg-color-212 {
+    background-color: #ff87d7;
+}
+
+.terminal .xterm-color-213 {
+    color: #ff87ff;
+}
+
+.terminal .xterm-bg-color-213 {
+    background-color: #ff87ff;
+}
+
+.terminal .xterm-color-214 {
+    color: #ffaf00;
+}
+
+.terminal .xterm-bg-color-214 {
+    background-color: #ffaf00;
+}
+
+.terminal .xterm-color-215 {
+    color: #ffaf5f;
+}
+
+.terminal .xterm-bg-color-215 {
+    background-color: #ffaf5f;
+}
+
+.terminal .xterm-color-216 {
+    color: #ffaf87;
+}
+
+.terminal .xterm-bg-color-216 {
+    background-color: #ffaf87;
+}
+
+.terminal .xterm-color-217 {
+    color: #ffafaf;
+}
+
+.terminal .xterm-bg-color-217 {
+    background-color: #ffafaf;
+}
+
+.terminal .xterm-color-218 {
+    color: #ffafd7;
+}
+
+.terminal .xterm-bg-color-218 {
+    background-color: #ffafd7;
+}
+
+.terminal .xterm-color-219 {
+    color: #ffafff;
+}
+
+.terminal .xterm-bg-color-219 {
+    background-color: #ffafff;
+}
+
+.terminal .xterm-color-220 {
+    color: #ffd700;
+}
+
+.terminal .xterm-bg-color-220 {
+    background-color: #ffd700;
+}
+
+.terminal .xterm-color-221 {
+    color: #ffd75f;
+}
+
+.terminal .xterm-bg-color-221 {
+    background-color: #ffd75f;
+}
+
+.terminal .xterm-color-222 {
+    color: #ffd787;
+}
+
+.terminal .xterm-bg-color-222 {
+    background-color: #ffd787;
+}
+
+.terminal .xterm-color-223 {
+    color: #ffd7af;
+}
+
+.terminal .xterm-bg-color-223 {
+    background-color: #ffd7af;
+}
+
+.terminal .xterm-color-224 {
+    color: #ffd7d7;
+}
+
+.terminal .xterm-bg-color-224 {
+    background-color: #ffd7d7;
+}
+
+.terminal .xterm-color-225 {
+    color: #ffd7ff;
+}
+
+.terminal .xterm-bg-color-225 {
+    background-color: #ffd7ff;
+}
+
+.terminal .xterm-color-226 {
+    color: #ffff00;
+}
+
+.terminal .xterm-bg-color-226 {
+    background-color: #ffff00;
+}
+
+.terminal .xterm-color-227 {
+    color: #ffff5f;
+}
+
+.terminal .xterm-bg-color-227 {
+    background-color: #ffff5f;
+}
+
+.terminal .xterm-color-228 {
+    color: #ffff87;
+}
+
+.terminal .xterm-bg-color-228 {
+    background-color: #ffff87;
+}
+
+.terminal .xterm-color-229 {
+    color: #ffffaf;
+}
+
+.terminal .xterm-bg-color-229 {
+    background-color: #ffffaf;
+}
+
+.terminal .xterm-color-230 {
+    color: #ffffd7;
+}
+
+.terminal .xterm-bg-color-230 {
+    background-color: #ffffd7;
+}
+
+.terminal .xterm-color-231 {
+    color: #ffffff;
+}
+
+.terminal .xterm-bg-color-231 {
+    background-color: #ffffff;
+}
+
+.terminal .xterm-color-232 {
+    color: #080808;
+}
+
+.terminal .xterm-bg-color-232 {
+    background-color: #080808;
+}
+
+.terminal .xterm-color-233 {
+    color: #121212;
+}
+
+.terminal .xterm-bg-color-233 {
+    background-color: #121212;
+}
+
+.terminal .xterm-color-234 {
+    color: #1c1c1c;
+}
+
+.terminal .xterm-bg-color-234 {
+    background-color: #1c1c1c;
+}
+
+.terminal .xterm-color-235 {
+    color: #262626;
+}
+
+.terminal .xterm-bg-color-235 {
+    background-color: #262626;
+}
+
+.terminal .xterm-color-236 {
+    color: #303030;
+}
+
+.terminal .xterm-bg-color-236 {
+    background-color: #303030;
+}
+
+.terminal .xterm-color-237 {
+    color: #3a3a3a;
+}
+
+.terminal .xterm-bg-color-237 {
+    background-color: #3a3a3a;
+}
+
+.terminal .xterm-color-238 {
+    color: #444444;
+}
+
+.terminal .xterm-bg-color-238 {
+    background-color: #444444;
+}
+
+.terminal .xterm-color-239 {
+    color: #4e4e4e;
+}
+
+.terminal .xterm-bg-color-239 {
+    background-color: #4e4e4e;
+}
+
+.terminal .xterm-color-240 {
+    color: #585858;
+}
+
+.terminal .xterm-bg-color-240 {
+    background-color: #585858;
+}
+
+.terminal .xterm-color-241 {
+    color: #626262;
+}
+
+.terminal .xterm-bg-color-241 {
+    background-color: #626262;
+}
+
+.terminal .xterm-color-242 {
+    color: #6c6c6c;
+}
+
+.terminal .xterm-bg-color-242 {
+    background-color: #6c6c6c;
+}
+
+.terminal .xterm-color-243 {
+    color: #767676;
+}
+
+.terminal .xterm-bg-color-243 {
+    background-color: #767676;
+}
+
+.terminal .xterm-color-244 {
+    color: #808080;
+}
+
+.terminal .xterm-bg-color-244 {
+    background-color: #808080;
+}
+
+.terminal .xterm-color-245 {
+    color: #8a8a8a;
+}
+
+.terminal .xterm-bg-color-245 {
+    background-color: #8a8a8a;
+}
+
+.terminal .xterm-color-246 {
+    color: #949494;
+}
+
+.terminal .xterm-bg-color-246 {
+    background-color: #949494;
+}
+
+.terminal .xterm-color-247 {
+    color: #9e9e9e;
+}
+
+.terminal .xterm-bg-color-247 {
+    background-color: #9e9e9e;
+}
+
+.terminal .xterm-color-248 {
+    color: #a8a8a8;
+}
+
+.terminal .xterm-bg-color-248 {
+    background-color: #a8a8a8;
+}
+
+.terminal .xterm-color-249 {
+    color: #b2b2b2;
+}
+
+.terminal .xterm-bg-color-249 {
+    background-color: #b2b2b2;
+}
+
+.terminal .xterm-color-250 {
+    color: #bcbcbc;
+}
+
+.terminal .xterm-bg-color-250 {
+    background-color: #bcbcbc;
+}
+
+.terminal .xterm-color-251 {
+    color: #c6c6c6;
+}
+
+.terminal .xterm-bg-color-251 {
+    background-color: #c6c6c6;
+}
+
+.terminal .xterm-color-252 {
+    color: #d0d0d0;
+}
+
+.terminal .xterm-bg-color-252 {
+    background-color: #d0d0d0;
+}
+
+.terminal .xterm-color-253 {
+    color: #dadada;
+}
+
+.terminal .xterm-bg-color-253 {
+    background-color: #dadada;
+}
+
+.terminal .xterm-color-254 {
+    color: #e4e4e4;
+}
+
+.terminal .xterm-bg-color-254 {
+    background-color: #e4e4e4;
+}
+
+.terminal .xterm-color-255 {
+    color: #eeeeee;
+}
+
+.terminal .xterm-bg-color-255 {
+    background-color: #eeeeee;
+}
diff --git a/apps/static/js/plugins/xterm/xterm.js b/apps/static/js/plugins/xterm/xterm.js
new file mode 100644
index 000000000..4b6f223a8
--- /dev/null
+++ b/apps/static/js/plugins/xterm/xterm.js
@@ -0,0 +1,5132 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Terminal = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var CircularList_1 = require("./utils/CircularList");
+var Buffer = (function () {
+    function Buffer(_terminal) {
+        this._terminal = _terminal;
+        this.clear();
+    }
+    Object.defineProperty(Buffer.prototype, "lines", {
+        get: function () {
+            return this._lines;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Buffer.prototype.fillViewportRows = function () {
+        if (this._lines.length === 0) {
+            var i = this._terminal.rows;
+            while (i--) {
+                this.lines.push(this._terminal.blankLine());
+            }
+        }
+    };
+    Buffer.prototype.clear = function () {
+        this.ydisp = 0;
+        this.ybase = 0;
+        this.y = 0;
+        this.x = 0;
+        this.scrollBottom = 0;
+        this.scrollTop = 0;
+        this.tabs = {};
+        this._lines = new CircularList_1.CircularList(this._terminal.scrollback);
+        this.scrollBottom = this._terminal.rows - 1;
+    };
+    Buffer.prototype.resize = function (newCols, newRows) {
+        if (this._lines.length === 0) {
+            return;
+        }
+        if (this._terminal.cols < newCols) {
+            var ch = [this._terminal.defAttr, ' ', 1];
+            for (var i = 0; i < this._lines.length; i++) {
+                if (this._lines.get(i) === undefined) {
+                    this._lines.set(i, this._terminal.blankLine(undefined, undefined, newCols));
+                }
+                while (this._lines.get(i).length < newCols) {
+                    this._lines.get(i).push(ch);
+                }
+            }
+        }
+        var addToY = 0;
+        if (this._terminal.rows < newRows) {
+            for (var y = this._terminal.rows; y < newRows; y++) {
+                if (this._lines.length < newRows + this.ybase) {
+                    if (this.ybase > 0 && this._lines.length <= this.ybase + this.y + addToY + 1) {
+                        this.ybase--;
+                        addToY++;
+                        if (this.ydisp > 0) {
+                            this.ydisp--;
+                        }
+                    }
+                    else {
+                        this._lines.push(this._terminal.blankLine(undefined, undefined, newCols));
+                    }
+                }
+            }
+        }
+        else {
+            for (var y = this._terminal.rows; y > newRows; y--) {
+                if (this._lines.length > newRows + this.ybase) {
+                    if (this._lines.length > this.ybase + this.y + 1) {
+                        this._lines.pop();
+                    }
+                    else {
+                        this.ybase++;
+                        this.ydisp++;
+                    }
+                }
+            }
+        }
+        if (this.y >= newRows) {
+            this.y = newRows - 1;
+        }
+        if (addToY) {
+            this.y += addToY;
+        }
+        if (this.x >= newCols) {
+            this.x = newCols - 1;
+        }
+        this.scrollTop = 0;
+        this.scrollBottom = newRows - 1;
+    };
+    return Buffer;
+}());
+exports.Buffer = Buffer;
+
+
+
+},{"./utils/CircularList":18}],2:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Buffer_1 = require("./Buffer");
+var EventEmitter_1 = require("./EventEmitter");
+var BufferSet = (function (_super) {
+    __extends(BufferSet, _super);
+    function BufferSet(_terminal) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._normal = new Buffer_1.Buffer(_this._terminal);
+        _this._normal.fillViewportRows();
+        _this._alt = new Buffer_1.Buffer(_this._terminal);
+        _this._activeBuffer = _this._normal;
+        return _this;
+    }
+    Object.defineProperty(BufferSet.prototype, "alt", {
+        get: function () {
+            return this._alt;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(BufferSet.prototype, "active", {
+        get: function () {
+            return this._activeBuffer;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(BufferSet.prototype, "normal", {
+        get: function () {
+            return this._normal;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    BufferSet.prototype.activateNormalBuffer = function () {
+        this._alt.clear();
+        this._activeBuffer = this._normal;
+        this.emit('activate', this._normal);
+    };
+    BufferSet.prototype.activateAltBuffer = function () {
+        this._alt.fillViewportRows();
+        this._activeBuffer = this._alt;
+        this.emit('activate', this._alt);
+    };
+    BufferSet.prototype.resize = function (newCols, newRows) {
+        this._normal.resize(newCols, newRows);
+        this._alt.resize(newCols, newRows);
+    };
+    return BufferSet;
+}(EventEmitter_1.EventEmitter));
+exports.BufferSet = BufferSet;
+
+
+
+},{"./Buffer":1,"./EventEmitter":6}],3:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CHARSETS = {};
+exports.DEFAULT_CHARSET = exports.CHARSETS['B'];
+exports.CHARSETS['0'] = {
+    '`': '\u25c6',
+    'a': '\u2592',
+    'b': '\u0009',
+    'c': '\u000c',
+    'd': '\u000d',
+    'e': '\u000a',
+    'f': '\u00b0',
+    'g': '\u00b1',
+    'h': '\u2424',
+    'i': '\u000b',
+    'j': '\u2518',
+    'k': '\u2510',
+    'l': '\u250c',
+    'm': '\u2514',
+    'n': '\u253c',
+    'o': '\u23ba',
+    'p': '\u23bb',
+    'q': '\u2500',
+    'r': '\u23bc',
+    's': '\u23bd',
+    't': '\u251c',
+    'u': '\u2524',
+    'v': '\u2534',
+    'w': '\u252c',
+    'x': '\u2502',
+    'y': '\u2264',
+    'z': '\u2265',
+    '{': '\u03c0',
+    '|': '\u2260',
+    '}': '\u00a3',
+    '~': '\u00b7'
+};
+exports.CHARSETS['A'] = {
+    '#': '£'
+};
+exports.CHARSETS['B'] = null;
+exports.CHARSETS['4'] = {
+    '#': '£',
+    '@': '¾',
+    '[': 'ij',
+    '\\': '½',
+    ']': '|',
+    '{': '¨',
+    '|': 'f',
+    '}': '¼',
+    '~': '´'
+};
+exports.CHARSETS['C'] =
+    exports.CHARSETS['5'] = {
+        '[': 'Ä',
+        '\\': 'Ö',
+        ']': 'Å',
+        '^': 'Ü',
+        '`': 'é',
+        '{': 'ä',
+        '|': 'ö',
+        '}': 'å',
+        '~': 'ü'
+    };
+exports.CHARSETS['R'] = {
+    '#': '£',
+    '@': 'à',
+    '[': '°',
+    '\\': 'ç',
+    ']': '§',
+    '{': 'é',
+    '|': 'ù',
+    '}': 'è',
+    '~': '¨'
+};
+exports.CHARSETS['Q'] = {
+    '@': 'à',
+    '[': 'â',
+    '\\': 'ç',
+    ']': 'ê',
+    '^': 'î',
+    '`': 'ô',
+    '{': 'é',
+    '|': 'ù',
+    '}': 'è',
+    '~': 'û'
+};
+exports.CHARSETS['K'] = {
+    '@': '§',
+    '[': 'Ä',
+    '\\': 'Ö',
+    ']': 'Ü',
+    '{': 'ä',
+    '|': 'ö',
+    '}': 'ü',
+    '~': 'ß'
+};
+exports.CHARSETS['Y'] = {
+    '#': '£',
+    '@': '§',
+    '[': '°',
+    '\\': 'ç',
+    ']': 'é',
+    '`': 'ù',
+    '{': 'à',
+    '|': 'ò',
+    '}': 'è',
+    '~': 'ì'
+};
+exports.CHARSETS['E'] =
+    exports.CHARSETS['6'] = {
+        '@': 'Ä',
+        '[': 'Æ',
+        '\\': 'Ø',
+        ']': 'Å',
+        '^': 'Ü',
+        '`': 'ä',
+        '{': 'æ',
+        '|': 'ø',
+        '}': 'å',
+        '~': 'ü'
+    };
+exports.CHARSETS['Z'] = {
+    '#': '£',
+    '@': '§',
+    '[': '¡',
+    '\\': 'Ñ',
+    ']': '¿',
+    '{': '°',
+    '|': 'ñ',
+    '}': 'ç'
+};
+exports.CHARSETS['H'] =
+    exports.CHARSETS['7'] = {
+        '@': 'É',
+        '[': 'Ä',
+        '\\': 'Ö',
+        ']': 'Å',
+        '^': 'Ü',
+        '`': 'é',
+        '{': 'ä',
+        '|': 'ö',
+        '}': 'å',
+        '~': 'ü'
+    };
+exports.CHARSETS['='] = {
+    '#': 'ù',
+    '@': 'à',
+    '[': 'é',
+    '\\': 'ç',
+    ']': 'ê',
+    '^': 'î',
+    '_': 'è',
+    '`': 'ô',
+    '{': 'ä',
+    '|': 'ö',
+    '}': 'ü',
+    '~': 'û'
+};
+
+
+
+},{}],4:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var CompositionHelper = (function () {
+    function CompositionHelper(textarea, compositionView, terminal) {
+        this.textarea = textarea;
+        this.compositionView = compositionView;
+        this.terminal = terminal;
+        this.isComposing = false;
+        this.isSendingComposition = false;
+        this.compositionPosition = { start: null, end: null };
+    }
+    CompositionHelper.prototype.compositionstart = function () {
+        this.isComposing = true;
+        this.compositionPosition.start = this.textarea.value.length;
+        this.compositionView.textContent = '';
+        this.compositionView.classList.add('active');
+    };
+    CompositionHelper.prototype.compositionupdate = function (ev) {
+        var _this = this;
+        this.compositionView.textContent = ev.data;
+        this.updateCompositionElements();
+        setTimeout(function () {
+            _this.compositionPosition.end = _this.textarea.value.length;
+        }, 0);
+    };
+    CompositionHelper.prototype.compositionend = function () {
+        this.finalizeComposition(true);
+    };
+    CompositionHelper.prototype.keydown = function (ev) {
+        if (this.isComposing || this.isSendingComposition) {
+            if (ev.keyCode === 229) {
+                return false;
+            }
+            else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {
+                return false;
+            }
+            else {
+                this.finalizeComposition(false);
+            }
+        }
+        if (ev.keyCode === 229) {
+            this.handleAnyTextareaChanges();
+            return false;
+        }
+        return true;
+    };
+    CompositionHelper.prototype.finalizeComposition = function (waitForPropogation) {
+        var _this = this;
+        this.compositionView.classList.remove('active');
+        this.isComposing = false;
+        this.clearTextareaPosition();
+        if (!waitForPropogation) {
+            this.isSendingComposition = false;
+            var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);
+            this.terminal.handler(input);
+        }
+        else {
+            var currentCompositionPosition_1 = {
+                start: this.compositionPosition.start,
+                end: this.compositionPosition.end,
+            };
+            this.isSendingComposition = true;
+            setTimeout(function () {
+                if (_this.isSendingComposition) {
+                    _this.isSendingComposition = false;
+                    var input = void 0;
+                    if (_this.isComposing) {
+                        input = _this.textarea.value.substring(currentCompositionPosition_1.start, currentCompositionPosition_1.end);
+                    }
+                    else {
+                        input = _this.textarea.value.substring(currentCompositionPosition_1.start);
+                    }
+                    _this.terminal.handler(input);
+                }
+            }, 0);
+        }
+    };
+    CompositionHelper.prototype.handleAnyTextareaChanges = function () {
+        var _this = this;
+        var oldValue = this.textarea.value;
+        setTimeout(function () {
+            if (!_this.isComposing) {
+                var newValue = _this.textarea.value;
+                var diff = newValue.replace(oldValue, '');
+                if (diff.length > 0) {
+                    _this.terminal.handler(diff);
+                }
+            }
+        }, 0);
+    };
+    CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) {
+        var _this = this;
+        if (!this.isComposing) {
+            return;
+        }
+        var cursor = this.terminal.element.querySelector('.terminal-cursor');
+        if (cursor) {
+            var xtermRows = this.terminal.element.querySelector('.xterm-rows');
+            var cursorTop = xtermRows.offsetTop + cursor.offsetTop;
+            this.compositionView.style.left = cursor.offsetLeft + 'px';
+            this.compositionView.style.top = cursorTop + 'px';
+            this.compositionView.style.height = cursor.offsetHeight + 'px';
+            this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';
+            var compositionViewBounds = this.compositionView.getBoundingClientRect();
+            this.textarea.style.left = cursor.offsetLeft + 'px';
+            this.textarea.style.top = cursorTop + 'px';
+            this.textarea.style.width = compositionViewBounds.width + 'px';
+            this.textarea.style.height = compositionViewBounds.height + 'px';
+            this.textarea.style.lineHeight = compositionViewBounds.height + 'px';
+        }
+        if (!dontRecurse) {
+            setTimeout(function () { return _this.updateCompositionElements(true); }, 0);
+        }
+    };
+    ;
+    CompositionHelper.prototype.clearTextareaPosition = function () {
+        this.textarea.style.left = '';
+        this.textarea.style.top = '';
+    };
+    ;
+    return CompositionHelper;
+}());
+exports.CompositionHelper = CompositionHelper;
+
+
+
+},{}],5:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var C0;
+(function (C0) {
+    C0.NUL = '\x00';
+    C0.SOH = '\x01';
+    C0.STX = '\x02';
+    C0.ETX = '\x03';
+    C0.EOT = '\x04';
+    C0.ENQ = '\x05';
+    C0.ACK = '\x06';
+    C0.BEL = '\x07';
+    C0.BS = '\x08';
+    C0.HT = '\x09';
+    C0.LF = '\x0a';
+    C0.VT = '\x0b';
+    C0.FF = '\x0c';
+    C0.CR = '\x0d';
+    C0.SO = '\x0e';
+    C0.SI = '\x0f';
+    C0.DLE = '\x10';
+    C0.DC1 = '\x11';
+    C0.DC2 = '\x12';
+    C0.DC3 = '\x13';
+    C0.DC4 = '\x14';
+    C0.NAK = '\x15';
+    C0.SYN = '\x16';
+    C0.ETB = '\x17';
+    C0.CAN = '\x18';
+    C0.EM = '\x19';
+    C0.SUB = '\x1a';
+    C0.ESC = '\x1b';
+    C0.FS = '\x1c';
+    C0.GS = '\x1d';
+    C0.RS = '\x1e';
+    C0.US = '\x1f';
+    C0.SP = '\x20';
+    C0.DEL = '\x7f';
+})(C0 = exports.C0 || (exports.C0 = {}));
+;
+
+
+
+},{}],6:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+;
+var EventEmitter = (function () {
+    function EventEmitter() {
+        this._events = this._events || {};
+    }
+    EventEmitter.prototype.on = function (type, listener) {
+        this._events[type] = this._events[type] || [];
+        this._events[type].push(listener);
+    };
+    EventEmitter.prototype.off = function (type, listener) {
+        if (!this._events[type]) {
+            return;
+        }
+        var obj = this._events[type];
+        var i = obj.length;
+        while (i--) {
+            if (obj[i] === listener || obj[i].listener === listener) {
+                obj.splice(i, 1);
+                return;
+            }
+        }
+    };
+    EventEmitter.prototype.removeAllListeners = function (type) {
+        if (this._events[type]) {
+            delete this._events[type];
+        }
+    };
+    EventEmitter.prototype.once = function (type, listener) {
+        function on() {
+            var args = Array.prototype.slice.call(arguments);
+            this.off(type, on);
+            return listener.apply(this, args);
+        }
+        on.listener = listener;
+        return this.on(type, on);
+    };
+    EventEmitter.prototype.emit = function (type) {
+        var args = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            args[_i - 1] = arguments[_i];
+        }
+        if (!this._events[type]) {
+            return;
+        }
+        var obj = this._events[type];
+        for (var i = 0; i < obj.length; i++) {
+            obj[i].apply(this, args);
+        }
+    };
+    EventEmitter.prototype.listeners = function (type) {
+        return this._events[type] || [];
+    };
+    return EventEmitter;
+}());
+exports.EventEmitter = EventEmitter;
+
+
+
+},{}],7:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var EscapeSequences_1 = require("./EscapeSequences");
+var Charsets_1 = require("./Charsets");
+var InputHandler = (function () {
+    function InputHandler(_terminal) {
+        this._terminal = _terminal;
+    }
+    InputHandler.prototype.addChar = function (char, code) {
+        if (char >= ' ') {
+            var ch_width = exports.wcwidth(code);
+            if (this._terminal.charset && this._terminal.charset[char]) {
+                char = this._terminal.charset[char];
+            }
+            var row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+            if (!ch_width && this._terminal.buffer.x) {
+                if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1]) {
+                    if (!this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][2]) {
+                        if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2])
+                            this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2][1] += char;
+                    }
+                    else {
+                        this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][1] += char;
+                    }
+                    this._terminal.updateRange(this._terminal.buffer.y);
+                }
+                return;
+            }
+            if (this._terminal.buffer.x + ch_width - 1 >= this._terminal.cols) {
+                if (this._terminal.wraparoundMode) {
+                    this._terminal.buffer.x = 0;
+                    this._terminal.buffer.y++;
+                    if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) {
+                        this._terminal.buffer.y--;
+                        this._terminal.scroll(true);
+                    }
+                    else {
+                        this._terminal.buffer.lines.get(this._terminal.buffer.y).isWrapped = true;
+                    }
+                }
+                else {
+                    if (ch_width === 2)
+                        return;
+                }
+            }
+            row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+            if (this._terminal.insertMode) {
+                for (var moves = 0; moves < ch_width; ++moves) {
+                    var removed = this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).pop();
+                    if (removed[2] === 0
+                        && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2]
+                        && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2][2] === 2) {
+                        this._terminal.buffer.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];
+                    }
+                    this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 0, [this._terminal.curAttr, ' ', 1]);
+                }
+            }
+            this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, char, ch_width];
+            this._terminal.buffer.x++;
+            this._terminal.updateRange(this._terminal.buffer.y);
+            if (ch_width === 2) {
+                this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, '', 0];
+                this._terminal.buffer.x++;
+            }
+        }
+    };
+    InputHandler.prototype.bell = function () {
+        var _this = this;
+        if (!this._terminal.visualBell) {
+            return;
+        }
+        this._terminal.element.style.borderColor = 'white';
+        setTimeout(function () { return _this._terminal.element.style.borderColor = ''; }, 10);
+        if (this._terminal.popOnBell) {
+            this._terminal.focus();
+        }
+    };
+    InputHandler.prototype.lineFeed = function () {
+        if (this._terminal.convertEol) {
+            this._terminal.buffer.x = 0;
+        }
+        this._terminal.buffer.y++;
+        if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) {
+            this._terminal.buffer.y--;
+            this._terminal.scroll();
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+        this._terminal.emit('lineFeed');
+    };
+    InputHandler.prototype.carriageReturn = function () {
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.backspace = function () {
+        if (this._terminal.buffer.x > 0) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.tab = function () {
+        this._terminal.buffer.x = this._terminal.nextStop();
+    };
+    InputHandler.prototype.shiftOut = function () {
+        this._terminal.setgLevel(1);
+    };
+    InputHandler.prototype.shiftIn = function () {
+        this._terminal.setgLevel(0);
+    };
+    InputHandler.prototype.insertChars = function (params) {
+        var param, row, j, ch;
+        param = params[0];
+        if (param < 1)
+            param = 1;
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        j = this._terminal.buffer.x;
+        ch = [this._terminal.eraseAttr(), ' ', 1];
+        while (param-- && j < this._terminal.cols) {
+            this._terminal.buffer.lines.get(row).splice(j++, 0, ch);
+            this._terminal.buffer.lines.get(row).pop();
+        }
+    };
+    InputHandler.prototype.cursorUp = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y -= param;
+        if (this._terminal.buffer.y < 0) {
+            this._terminal.buffer.y = 0;
+        }
+    };
+    InputHandler.prototype.cursorDown = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.cursorForward = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x += param;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.cursorBackward = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+        this._terminal.buffer.x -= param;
+        if (this._terminal.buffer.x < 0) {
+            this._terminal.buffer.x = 0;
+        }
+    };
+    InputHandler.prototype.cursorNextLine = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.cursorPrecedingLine = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y -= param;
+        if (this._terminal.buffer.y < 0) {
+            this._terminal.buffer.y = 0;
+        }
+        this._terminal.buffer.x = 0;
+    };
+    InputHandler.prototype.cursorCharAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x = param - 1;
+    };
+    InputHandler.prototype.cursorPosition = function (params) {
+        var row, col;
+        row = params[0] - 1;
+        if (params.length >= 2) {
+            col = params[1] - 1;
+        }
+        else {
+            col = 0;
+        }
+        if (row < 0) {
+            row = 0;
+        }
+        else if (row >= this._terminal.rows) {
+            row = this._terminal.rows - 1;
+        }
+        if (col < 0) {
+            col = 0;
+        }
+        else if (col >= this._terminal.cols) {
+            col = this._terminal.cols - 1;
+        }
+        this._terminal.buffer.x = col;
+        this._terminal.buffer.y = row;
+    };
+    InputHandler.prototype.cursorForwardTab = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.x = this._terminal.nextStop();
+        }
+    };
+    InputHandler.prototype.eraseInDisplay = function (params) {
+        var j;
+        switch (params[0]) {
+            case 0:
+                this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);
+                j = this._terminal.buffer.y + 1;
+                for (; j < this._terminal.rows; j++) {
+                    this._terminal.eraseLine(j);
+                }
+                break;
+            case 1:
+                this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);
+                j = this._terminal.buffer.y;
+                while (j--) {
+                    this._terminal.eraseLine(j);
+                }
+                break;
+            case 2:
+                j = this._terminal.rows;
+                while (j--)
+                    this._terminal.eraseLine(j);
+                break;
+            case 3:
+                var scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;
+                if (scrollBackSize > 0) {
+                    this._terminal.buffer.lines.trimStart(scrollBackSize);
+                    this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);
+                    this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);
+                    this._terminal.emit('scroll', 0);
+                }
+                break;
+        }
+    };
+    InputHandler.prototype.eraseInLine = function (params) {
+        switch (params[0]) {
+            case 0:
+                this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);
+                break;
+            case 1:
+                this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);
+                break;
+            case 2:
+                this._terminal.eraseLine(this._terminal.buffer.y);
+                break;
+        }
+    };
+    InputHandler.prototype.insertLines = function (params) {
+        var param, row, j;
+        param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;
+        j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j + 1;
+        while (param--) {
+            if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
+                this._terminal.buffer.lines.trimStart(1);
+                this._terminal.buffer.ybase--;
+                this._terminal.buffer.ydisp--;
+                row--;
+                j--;
+            }
+            this._terminal.buffer.lines.splice(row, 0, this._terminal.blankLine(true));
+            this._terminal.buffer.lines.splice(j, 1);
+        }
+        this._terminal.updateRange(this._terminal.buffer.y);
+        this._terminal.updateRange(this._terminal.buffer.scrollBottom);
+    };
+    InputHandler.prototype.deleteLines = function (params) {
+        var param, row, j;
+        param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;
+        j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j;
+        while (param--) {
+            if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
+                this._terminal.buffer.lines.trimStart(1);
+                this._terminal.buffer.ybase -= 1;
+                this._terminal.buffer.ydisp -= 1;
+            }
+            this._terminal.buffer.lines.splice(j + 1, 0, this._terminal.blankLine(true));
+            this._terminal.buffer.lines.splice(row, 1);
+        }
+        this._terminal.updateRange(this._terminal.buffer.y);
+        this._terminal.updateRange(this._terminal.buffer.scrollBottom);
+    };
+    InputHandler.prototype.deleteChars = function (params) {
+        var param, row, ch;
+        param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        ch = [this._terminal.eraseAttr(), ' ', 1];
+        while (param--) {
+            this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 1);
+            this._terminal.buffer.lines.get(row).push(ch);
+        }
+    };
+    InputHandler.prototype.scrollUp = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 1);
+            this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 0, this._terminal.blankLine());
+        }
+        this._terminal.updateRange(this._terminal.buffer.scrollTop);
+        this._terminal.updateRange(this._terminal.buffer.scrollBottom);
+    };
+    InputHandler.prototype.scrollDown = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 1);
+            this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 0, this._terminal.blankLine());
+        }
+        this._terminal.updateRange(this._terminal.buffer.scrollTop);
+        this._terminal.updateRange(this._terminal.buffer.scrollBottom);
+    };
+    InputHandler.prototype.eraseChars = function (params) {
+        var param, row, j, ch;
+        param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        row = this._terminal.buffer.y + this._terminal.buffer.ybase;
+        j = this._terminal.buffer.x;
+        ch = [this._terminal.eraseAttr(), ' ', 1];
+        while (param-- && j < this._terminal.cols) {
+            this._terminal.buffer.lines.get(row)[j++] = ch;
+        }
+    };
+    InputHandler.prototype.cursorBackwardTab = function (params) {
+        var param = params[0] || 1;
+        while (param--) {
+            this._terminal.buffer.x = this._terminal.prevStop();
+        }
+    };
+    InputHandler.prototype.charPosAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x = param - 1;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.HPositionRelative = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.x += param;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.repeatPrecedingCharacter = function (params) {
+        var param = params[0] || 1, line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + this._terminal.buffer.y), ch = line[this._terminal.buffer.x - 1] || [this._terminal.defAttr, ' ', 1];
+        while (param--) {
+            line[this._terminal.buffer.x++] = ch;
+        }
+    };
+    InputHandler.prototype.sendDeviceAttributes = function (params) {
+        if (params[0] > 0) {
+            return;
+        }
+        if (!this._terminal.prefix) {
+            if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[?1;2c');
+            }
+            else if (this._terminal.is('linux')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[?6c');
+            }
+        }
+        else if (this._terminal.prefix === '>') {
+            if (this._terminal.is('xterm')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[>0;276;0c');
+            }
+            else if (this._terminal.is('rxvt-unicode')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[>85;95;0c');
+            }
+            else if (this._terminal.is('linux')) {
+                this._terminal.send(params[0] + 'c');
+            }
+            else if (this._terminal.is('screen')) {
+                this._terminal.send(EscapeSequences_1.C0.ESC + '[>83;40003;0c');
+            }
+        }
+    };
+    InputHandler.prototype.linePosAbsolute = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y = param - 1;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+    };
+    InputHandler.prototype.VPositionRelative = function (params) {
+        var param = params[0];
+        if (param < 1) {
+            param = 1;
+        }
+        this._terminal.buffer.y += param;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x--;
+        }
+    };
+    InputHandler.prototype.HVPosition = function (params) {
+        if (params[0] < 1)
+            params[0] = 1;
+        if (params[1] < 1)
+            params[1] = 1;
+        this._terminal.buffer.y = params[0] - 1;
+        if (this._terminal.buffer.y >= this._terminal.rows) {
+            this._terminal.buffer.y = this._terminal.rows - 1;
+        }
+        this._terminal.buffer.x = params[1] - 1;
+        if (this._terminal.buffer.x >= this._terminal.cols) {
+            this._terminal.buffer.x = this._terminal.cols - 1;
+        }
+    };
+    InputHandler.prototype.tabClear = function (params) {
+        var param = params[0];
+        if (param <= 0) {
+            delete this._terminal.buffer.tabs[this._terminal.buffer.x];
+        }
+        else if (param === 3) {
+            this._terminal.buffer.tabs = {};
+        }
+    };
+    InputHandler.prototype.setMode = function (params) {
+        if (params.length > 1) {
+            for (var i = 0; i < params.length; i++) {
+                this.setMode([params[i]]);
+            }
+            return;
+        }
+        if (!this._terminal.prefix) {
+            switch (params[0]) {
+                case 4:
+                    this._terminal.insertMode = true;
+                    break;
+                case 20:
+                    break;
+            }
+        }
+        else if (this._terminal.prefix === '?') {
+            switch (params[0]) {
+                case 1:
+                    this._terminal.applicationCursor = true;
+                    break;
+                case 2:
+                    this._terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(1, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(2, Charsets_1.DEFAULT_CHARSET);
+                    this._terminal.setgCharset(3, Charsets_1.DEFAULT_CHARSET);
+                    break;
+                case 3:
+                    this._terminal.savedCols = this._terminal.cols;
+                    this._terminal.resize(132, this._terminal.rows);
+                    break;
+                case 6:
+                    this._terminal.originMode = true;
+                    break;
+                case 7:
+                    this._terminal.wraparoundMode = true;
+                    break;
+                case 12:
+                    break;
+                case 66:
+                    this._terminal.log('Serial port requested application keypad.');
+                    this._terminal.applicationKeypad = true;
+                    this._terminal.viewport.syncScrollArea();
+                    break;
+                case 9:
+                case 1000:
+                case 1002:
+                case 1003:
+                    this._terminal.x10Mouse = params[0] === 9;
+                    this._terminal.vt200Mouse = params[0] === 1000;
+                    this._terminal.normalMouse = params[0] > 1000;
+                    this._terminal.mouseEvents = true;
+                    this._terminal.element.classList.add('enable-mouse-events');
+                    this._terminal.selectionManager.disable();
+                    this._terminal.log('Binding to mouse events.');
+                    break;
+                case 1004:
+                    this._terminal.sendFocus = true;
+                    break;
+                case 1005:
+                    this._terminal.utfMouse = true;
+                    break;
+                case 1006:
+                    this._terminal.sgrMouse = true;
+                    break;
+                case 1015:
+                    this._terminal.urxvtMouse = true;
+                    break;
+                case 25:
+                    this._terminal.cursorHidden = false;
+                    break;
+                case 1049:
+                case 47:
+                case 1047:
+                    this._terminal.buffers.activateAltBuffer();
+                    this._terminal.viewport.syncScrollArea();
+                    this._terminal.showCursor();
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.resetMode = function (params) {
+        if (params.length > 1) {
+            for (var i = 0; i < params.length; i++) {
+                this.resetMode([params[i]]);
+            }
+            return;
+        }
+        if (!this._terminal.prefix) {
+            switch (params[0]) {
+                case 4:
+                    this._terminal.insertMode = false;
+                    break;
+                case 20:
+                    break;
+            }
+        }
+        else if (this._terminal.prefix === '?') {
+            switch (params[0]) {
+                case 1:
+                    this._terminal.applicationCursor = false;
+                    break;
+                case 3:
+                    if (this._terminal.cols === 132 && this._terminal.savedCols) {
+                        this._terminal.resize(this._terminal.savedCols, this._terminal.rows);
+                    }
+                    delete this._terminal.savedCols;
+                    break;
+                case 6:
+                    this._terminal.originMode = false;
+                    break;
+                case 7:
+                    this._terminal.wraparoundMode = false;
+                    break;
+                case 12:
+                    break;
+                case 66:
+                    this._terminal.log('Switching back to normal keypad.');
+                    this._terminal.applicationKeypad = false;
+                    this._terminal.viewport.syncScrollArea();
+                    break;
+                case 9:
+                case 1000:
+                case 1002:
+                case 1003:
+                    this._terminal.x10Mouse = false;
+                    this._terminal.vt200Mouse = false;
+                    this._terminal.normalMouse = false;
+                    this._terminal.mouseEvents = false;
+                    this._terminal.element.classList.remove('enable-mouse-events');
+                    this._terminal.selectionManager.enable();
+                    break;
+                case 1004:
+                    this._terminal.sendFocus = false;
+                    break;
+                case 1005:
+                    this._terminal.utfMouse = false;
+                    break;
+                case 1006:
+                    this._terminal.sgrMouse = false;
+                    break;
+                case 1015:
+                    this._terminal.urxvtMouse = false;
+                    break;
+                case 25:
+                    this._terminal.cursorHidden = true;
+                    break;
+                case 1049:
+                case 47:
+                case 1047:
+                    this._terminal.buffers.activateNormalBuffer();
+                    this._terminal.selectionManager.setBuffer(this._terminal.buffer.lines);
+                    this._terminal.refresh(0, this._terminal.rows - 1);
+                    this._terminal.viewport.syncScrollArea();
+                    this._terminal.showCursor();
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.charAttributes = function (params) {
+        if (params.length === 1 && params[0] === 0) {
+            this._terminal.curAttr = this._terminal.defAttr;
+            return;
+        }
+        var l = params.length, i = 0, flags = this._terminal.curAttr >> 18, fg = (this._terminal.curAttr >> 9) & 0x1ff, bg = this._terminal.curAttr & 0x1ff, p;
+        for (; i < l; i++) {
+            p = params[i];
+            if (p >= 30 && p <= 37) {
+                fg = p - 30;
+            }
+            else if (p >= 40 && p <= 47) {
+                bg = p - 40;
+            }
+            else if (p >= 90 && p <= 97) {
+                p += 8;
+                fg = p - 90;
+            }
+            else if (p >= 100 && p <= 107) {
+                p += 8;
+                bg = p - 100;
+            }
+            else if (p === 0) {
+                flags = this._terminal.defAttr >> 18;
+                fg = (this._terminal.defAttr >> 9) & 0x1ff;
+                bg = this._terminal.defAttr & 0x1ff;
+            }
+            else if (p === 1) {
+                flags |= 1;
+            }
+            else if (p === 4) {
+                flags |= 2;
+            }
+            else if (p === 5) {
+                flags |= 4;
+            }
+            else if (p === 7) {
+                flags |= 8;
+            }
+            else if (p === 8) {
+                flags |= 16;
+            }
+            else if (p === 22) {
+                flags &= ~1;
+            }
+            else if (p === 24) {
+                flags &= ~2;
+            }
+            else if (p === 25) {
+                flags &= ~4;
+            }
+            else if (p === 27) {
+                flags &= ~8;
+            }
+            else if (p === 28) {
+                flags &= ~16;
+            }
+            else if (p === 39) {
+                fg = (this._terminal.defAttr >> 9) & 0x1ff;
+            }
+            else if (p === 49) {
+                bg = this._terminal.defAttr & 0x1ff;
+            }
+            else if (p === 38) {
+                if (params[i + 1] === 2) {
+                    i += 2;
+                    fg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);
+                    if (fg === -1)
+                        fg = 0x1ff;
+                    i += 2;
+                }
+                else if (params[i + 1] === 5) {
+                    i += 2;
+                    p = params[i] & 0xff;
+                    fg = p;
+                }
+            }
+            else if (p === 48) {
+                if (params[i + 1] === 2) {
+                    i += 2;
+                    bg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff);
+                    if (bg === -1)
+                        bg = 0x1ff;
+                    i += 2;
+                }
+                else if (params[i + 1] === 5) {
+                    i += 2;
+                    p = params[i] & 0xff;
+                    bg = p;
+                }
+            }
+            else if (p === 100) {
+                fg = (this._terminal.defAttr >> 9) & 0x1ff;
+                bg = this._terminal.defAttr & 0x1ff;
+            }
+            else {
+                this._terminal.error('Unknown SGR attribute: %d.', p);
+            }
+        }
+        this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;
+    };
+    InputHandler.prototype.deviceStatus = function (params) {
+        if (!this._terminal.prefix) {
+            switch (params[0]) {
+                case 5:
+                    this._terminal.send(EscapeSequences_1.C0.ESC + '[0n');
+                    break;
+                case 6:
+                    this._terminal.send(EscapeSequences_1.C0.ESC + '['
+                        + (this._terminal.buffer.y + 1)
+                        + ';'
+                        + (this._terminal.buffer.x + 1)
+                        + 'R');
+                    break;
+            }
+        }
+        else if (this._terminal.prefix === '?') {
+            switch (params[0]) {
+                case 6:
+                    this._terminal.send(EscapeSequences_1.C0.ESC + '[?'
+                        + (this._terminal.buffer.y + 1)
+                        + ';'
+                        + (this._terminal.buffer.x + 1)
+                        + 'R');
+                    break;
+                case 15:
+                    break;
+                case 25:
+                    break;
+                case 26:
+                    break;
+                case 53:
+                    break;
+            }
+        }
+    };
+    InputHandler.prototype.softReset = function (params) {
+        this._terminal.cursorHidden = false;
+        this._terminal.insertMode = false;
+        this._terminal.originMode = false;
+        this._terminal.wraparoundMode = true;
+        this._terminal.applicationKeypad = false;
+        this._terminal.viewport.syncScrollArea();
+        this._terminal.applicationCursor = false;
+        this._terminal.buffer.scrollTop = 0;
+        this._terminal.buffer.scrollBottom = this._terminal.rows - 1;
+        this._terminal.curAttr = this._terminal.defAttr;
+        this._terminal.buffer.x = this._terminal.buffer.y = 0;
+        this._terminal.charset = null;
+        this._terminal.glevel = 0;
+        this._terminal.charsets = [null];
+    };
+    InputHandler.prototype.setCursorStyle = function (params) {
+        var param = params[0] < 1 ? 1 : params[0];
+        switch (param) {
+            case 1:
+            case 2:
+                this._terminal.setOption('cursorStyle', 'block');
+                break;
+            case 3:
+            case 4:
+                this._terminal.setOption('cursorStyle', 'underline');
+                break;
+            case 5:
+            case 6:
+                this._terminal.setOption('cursorStyle', 'bar');
+                break;
+        }
+        var isBlinking = param % 2 === 1;
+        this._terminal.setOption('cursorBlink', isBlinking);
+    };
+    InputHandler.prototype.setScrollRegion = function (params) {
+        if (this._terminal.prefix)
+            return;
+        this._terminal.buffer.scrollTop = (params[0] || 1) - 1;
+        this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;
+        this._terminal.buffer.x = 0;
+        this._terminal.buffer.y = 0;
+    };
+    InputHandler.prototype.saveCursor = function (params) {
+        this._terminal.buffer.savedX = this._terminal.buffer.x;
+        this._terminal.buffer.savedY = this._terminal.buffer.y;
+    };
+    InputHandler.prototype.restoreCursor = function (params) {
+        this._terminal.buffer.x = this._terminal.buffer.savedX || 0;
+        this._terminal.buffer.y = this._terminal.buffer.savedY || 0;
+    };
+    return InputHandler;
+}());
+exports.InputHandler = InputHandler;
+exports.wcwidth = (function (opts) {
+    var COMBINING_BMP = [
+        [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],
+        [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],
+        [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],
+        [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],
+        [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],
+        [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],
+        [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],
+        [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],
+        [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],
+        [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],
+        [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],
+        [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],
+        [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],
+        [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],
+        [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],
+        [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],
+        [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],
+        [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],
+        [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],
+        [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],
+        [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],
+        [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],
+        [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],
+        [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],
+        [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],
+        [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],
+        [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],
+        [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],
+        [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],
+        [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],
+        [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],
+        [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],
+        [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],
+        [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],
+        [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],
+        [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],
+        [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],
+        [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],
+        [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],
+        [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],
+        [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],
+        [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],
+        [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],
+    ];
+    var COMBINING_HIGH = [
+        [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],
+        [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],
+        [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],
+        [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],
+        [0xE0100, 0xE01EF]
+    ];
+    function bisearch(ucs, data) {
+        var min = 0;
+        var max = data.length - 1;
+        var mid;
+        if (ucs < data[0][0] || ucs > data[max][1])
+            return false;
+        while (max >= min) {
+            mid = (min + max) >> 1;
+            if (ucs > data[mid][1])
+                min = mid + 1;
+            else if (ucs < data[mid][0])
+                max = mid - 1;
+            else
+                return true;
+        }
+        return false;
+    }
+    function wcwidthBMP(ucs) {
+        if (ucs === 0)
+            return opts.nul;
+        if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))
+            return opts.control;
+        if (bisearch(ucs, COMBINING_BMP))
+            return 0;
+        if (isWideBMP(ucs)) {
+            return 2;
+        }
+        return 1;
+    }
+    function isWideBMP(ucs) {
+        return (ucs >= 0x1100 && (ucs <= 0x115f ||
+            ucs === 0x2329 ||
+            ucs === 0x232a ||
+            (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||
+            (ucs >= 0xac00 && ucs <= 0xd7a3) ||
+            (ucs >= 0xf900 && ucs <= 0xfaff) ||
+            (ucs >= 0xfe10 && ucs <= 0xfe19) ||
+            (ucs >= 0xfe30 && ucs <= 0xfe6f) ||
+            (ucs >= 0xff00 && ucs <= 0xff60) ||
+            (ucs >= 0xffe0 && ucs <= 0xffe6)));
+    }
+    function wcwidthHigh(ucs) {
+        if (bisearch(ucs, COMBINING_HIGH))
+            return 0;
+        if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {
+            return 2;
+        }
+        return 1;
+    }
+    var control = opts.control | 0;
+    var table = null;
+    function init_table() {
+        var CODEPOINTS = 65536;
+        var BITWIDTH = 2;
+        var ITEMSIZE = 32;
+        var CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;
+        var CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;
+        table = (typeof Uint32Array === 'undefined')
+            ? new Array(CONTAINERSIZE)
+            : new Uint32Array(CONTAINERSIZE);
+        for (var i = 0; i < CONTAINERSIZE; ++i) {
+            var num = 0;
+            var pos = CODEPOINTS_PER_ITEM;
+            while (pos--)
+                num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);
+            table[i] = num;
+        }
+        return table;
+    }
+    return function (num) {
+        num = num | 0;
+        if (num < 32)
+            return control | 0;
+        if (num < 127)
+            return 1;
+        var t = table || init_table();
+        if (num < 65536)
+            return t[num >> 4] >> ((num & 15) << 1) & 3;
+        return wcwidthHigh(num);
+    };
+})({ nul: 0, control: 0 });
+
+
+
+},{"./Charsets":3,"./EscapeSequences":5}],8:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var INVALID_LINK_CLASS = 'xterm-invalid-link';
+var protocolClause = '(https?:\\/\\/)';
+var domainCharacterSet = '[\\da-z\\.-]+';
+var negatedDomainCharacterSet = '[^\\da-z\\.-]+';
+var domainBodyClause = '(' + domainCharacterSet + ')';
+var tldClause = '([a-z\\.]{2,6})';
+var ipClause = '((\\d{1,3}\\.){3}\\d{1,3})';
+var localHostClause = '(localhost)';
+var portClause = '(:\\d{1,5})';
+var hostClause = '((' + domainBodyClause + '\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?';
+var pathClause = '(\\/[\\/\\w\\.\\-%~]*)*';
+var queryStringHashFragmentCharacterSet = '[0-9\\w\\[\\]\\(\\)\\/\\?\\!#@$%&\'*+,:;~\\=\\.\\-]*';
+var queryStringClause = '(\\?' + queryStringHashFragmentCharacterSet + ')?';
+var hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?';
+var negatedPathCharacterSet = '[^\\/\\w\\.\\-%]+';
+var bodyClause = hostClause + pathClause + queryStringClause + hashFragmentClause;
+var start = '(?:^|' + negatedDomainCharacterSet + ')(';
+var end = ')($|' + negatedPathCharacterSet + ')';
+var strictUrlRegex = new RegExp(start + protocolClause + bodyClause + end);
+var HYPERTEXT_LINK_MATCHER_ID = 0;
+var Linkifier = (function () {
+    function Linkifier() {
+        this._nextLinkMatcherId = HYPERTEXT_LINK_MATCHER_ID;
+        this._rowTimeoutIds = [];
+        this._linkMatchers = [];
+        this.registerLinkMatcher(strictUrlRegex, null, { matchIndex: 1 });
+    }
+    Linkifier.prototype.attachToDom = function (document, rows) {
+        this._document = document;
+        this._rows = rows;
+    };
+    Linkifier.prototype.linkifyRow = function (rowIndex) {
+        if (!this._document) {
+            return;
+        }
+        var timeoutId = this._rowTimeoutIds[rowIndex];
+        if (timeoutId) {
+            clearTimeout(timeoutId);
+        }
+        this._rowTimeoutIds[rowIndex] = setTimeout(this._linkifyRow.bind(this, rowIndex), Linkifier.TIME_BEFORE_LINKIFY);
+    };
+    Linkifier.prototype.setHypertextLinkHandler = function (handler) {
+        this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].handler = handler;
+    };
+    Linkifier.prototype.setHypertextValidationCallback = function (callback) {
+        this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].validationCallback = callback;
+    };
+    Linkifier.prototype.registerLinkMatcher = function (regex, handler, options) {
+        if (options === void 0) { options = {}; }
+        if (this._nextLinkMatcherId !== HYPERTEXT_LINK_MATCHER_ID && !handler) {
+            throw new Error('handler must be defined');
+        }
+        var matcher = {
+            id: this._nextLinkMatcherId++,
+            regex: regex,
+            handler: handler,
+            matchIndex: options.matchIndex,
+            validationCallback: options.validationCallback,
+            priority: options.priority || 0
+        };
+        this._addLinkMatcherToList(matcher);
+        return matcher.id;
+    };
+    Linkifier.prototype._addLinkMatcherToList = function (matcher) {
+        if (this._linkMatchers.length === 0) {
+            this._linkMatchers.push(matcher);
+            return;
+        }
+        for (var i = this._linkMatchers.length - 1; i >= 0; i--) {
+            if (matcher.priority <= this._linkMatchers[i].priority) {
+                this._linkMatchers.splice(i + 1, 0, matcher);
+                return;
+            }
+        }
+        this._linkMatchers.splice(0, 0, matcher);
+    };
+    Linkifier.prototype.deregisterLinkMatcher = function (matcherId) {
+        for (var i = 1; i < this._linkMatchers.length; i++) {
+            if (this._linkMatchers[i].id === matcherId) {
+                this._linkMatchers.splice(i, 1);
+                return true;
+            }
+        }
+        return false;
+    };
+    Linkifier.prototype._linkifyRow = function (rowIndex) {
+        var row = this._rows[rowIndex];
+        if (!row) {
+            return;
+        }
+        var text = row.textContent;
+        for (var i = 0; i < this._linkMatchers.length; i++) {
+            var matcher = this._linkMatchers[i];
+            var linkElements = this._doLinkifyRow(row, matcher);
+            if (linkElements.length > 0) {
+                if (matcher.validationCallback) {
+                    var _loop_1 = function (j) {
+                        var element = linkElements[j];
+                        matcher.validationCallback(element.textContent, element, function (isValid) {
+                            if (!isValid) {
+                                element.classList.add(INVALID_LINK_CLASS);
+                            }
+                        });
+                    };
+                    for (var j = 0; j < linkElements.length; j++) {
+                        _loop_1(j);
+                    }
+                }
+                return;
+            }
+        }
+    };
+    Linkifier.prototype._doLinkifyRow = function (row, matcher) {
+        var result = [];
+        var isHttpLinkMatcher = matcher.id === HYPERTEXT_LINK_MATCHER_ID;
+        var nodes = row.childNodes;
+        var match = row.textContent.match(matcher.regex);
+        if (!match || match.length === 0) {
+            return result;
+        }
+        var uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];
+        var rowStartIndex = match.index + uri.length;
+        for (var i = 0; i < nodes.length; i++) {
+            var node = nodes[i];
+            var searchIndex = node.textContent.indexOf(uri);
+            if (searchIndex >= 0) {
+                var linkElement = this._createAnchorElement(uri, matcher.handler, isHttpLinkMatcher);
+                if (node.textContent.length === uri.length) {
+                    if (node.nodeType === 3) {
+                        this._replaceNode(node, linkElement);
+                    }
+                    else {
+                        var element = node;
+                        if (element.nodeName === 'A') {
+                            return result;
+                        }
+                        element.innerHTML = '';
+                        element.appendChild(linkElement);
+                    }
+                }
+                else if (node.childNodes.length > 1) {
+                    for (var j = 0; j < node.childNodes.length; j++) {
+                        var childNode = node.childNodes[j];
+                        var childSearchIndex = childNode.textContent.indexOf(uri);
+                        if (childSearchIndex !== -1) {
+                            this._replaceNodeSubstringWithNode(childNode, linkElement, uri, childSearchIndex);
+                            break;
+                        }
+                    }
+                }
+                else {
+                    var nodesAdded = this._replaceNodeSubstringWithNode(node, linkElement, uri, searchIndex);
+                    i += nodesAdded;
+                }
+                result.push(linkElement);
+                match = row.textContent.substring(rowStartIndex).match(matcher.regex);
+                if (!match || match.length === 0) {
+                    return result;
+                }
+                uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];
+                rowStartIndex += match.index + uri.length;
+            }
+        }
+        return result;
+    };
+    Linkifier.prototype._createAnchorElement = function (uri, handler, isHypertextLinkHandler) {
+        var element = this._document.createElement('a');
+        element.textContent = uri;
+        element.draggable = false;
+        if (isHypertextLinkHandler) {
+            element.href = uri;
+            element.target = '_blank';
+            element.addEventListener('click', function (event) {
+                if (handler) {
+                    return handler(event, uri);
+                }
+            });
+        }
+        else {
+            element.addEventListener('click', function (event) {
+                if (element.classList.contains(INVALID_LINK_CLASS)) {
+                    return;
+                }
+                return handler(event, uri);
+            });
+        }
+        return element;
+    };
+    Linkifier.prototype._replaceNode = function (oldNode) {
+        var newNodes = [];
+        for (var _i = 1; _i < arguments.length; _i++) {
+            newNodes[_i - 1] = arguments[_i];
+        }
+        var parent = oldNode.parentNode;
+        for (var i = 0; i < newNodes.length; i++) {
+            parent.insertBefore(newNodes[i], oldNode);
+        }
+        parent.removeChild(oldNode);
+    };
+    Linkifier.prototype._replaceNodeSubstringWithNode = function (targetNode, newNode, substring, substringIndex) {
+        if (targetNode.childNodes.length === 1) {
+            targetNode = targetNode.childNodes[0];
+        }
+        if (targetNode.nodeType !== 3) {
+            throw new Error('targetNode must be a text node or only contain a single text node');
+        }
+        var fullText = targetNode.textContent;
+        if (substringIndex === 0) {
+            var rightText_1 = fullText.substring(substring.length);
+            var rightTextNode_1 = this._document.createTextNode(rightText_1);
+            this._replaceNode(targetNode, newNode, rightTextNode_1);
+            return 0;
+        }
+        if (substringIndex === targetNode.textContent.length - substring.length) {
+            var leftText_1 = fullText.substring(0, substringIndex);
+            var leftTextNode_1 = this._document.createTextNode(leftText_1);
+            this._replaceNode(targetNode, leftTextNode_1, newNode);
+            return 0;
+        }
+        var leftText = fullText.substring(0, substringIndex);
+        var leftTextNode = this._document.createTextNode(leftText);
+        var rightText = fullText.substring(substringIndex + substring.length);
+        var rightTextNode = this._document.createTextNode(rightText);
+        this._replaceNode(targetNode, leftTextNode, newNode, rightTextNode);
+        return 1;
+    };
+    return Linkifier;
+}());
+Linkifier.TIME_BEFORE_LINKIFY = 200;
+exports.Linkifier = Linkifier;
+
+
+
+},{}],9:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var EscapeSequences_1 = require("./EscapeSequences");
+var Charsets_1 = require("./Charsets");
+var normalStateHandler = {};
+normalStateHandler[EscapeSequences_1.C0.BEL] = function (parser, handler) { return handler.bell(); };
+normalStateHandler[EscapeSequences_1.C0.LF] = function (parser, handler) { return handler.lineFeed(); };
+normalStateHandler[EscapeSequences_1.C0.VT] = normalStateHandler[EscapeSequences_1.C0.LF];
+normalStateHandler[EscapeSequences_1.C0.FF] = normalStateHandler[EscapeSequences_1.C0.LF];
+normalStateHandler[EscapeSequences_1.C0.CR] = function (parser, handler) { return handler.carriageReturn(); };
+normalStateHandler[EscapeSequences_1.C0.BS] = function (parser, handler) { return handler.backspace(); };
+normalStateHandler[EscapeSequences_1.C0.HT] = function (parser, handler) { return handler.tab(); };
+normalStateHandler[EscapeSequences_1.C0.SO] = function (parser, handler) { return handler.shiftOut(); };
+normalStateHandler[EscapeSequences_1.C0.SI] = function (parser, handler) { return handler.shiftIn(); };
+normalStateHandler[EscapeSequences_1.C0.ESC] = function (parser, handler) { return parser.setState(ParserState.ESCAPED); };
+var escapedStateHandler = {};
+escapedStateHandler['['] = function (parser, terminal) {
+    terminal.params = [];
+    terminal.currentParam = 0;
+    parser.setState(ParserState.CSI_PARAM);
+};
+escapedStateHandler[']'] = function (parser, terminal) {
+    terminal.params = [];
+    terminal.currentParam = 0;
+    parser.setState(ParserState.OSC);
+};
+escapedStateHandler['P'] = function (parser, terminal) {
+    terminal.params = [];
+    terminal.currentParam = 0;
+    parser.setState(ParserState.DCS);
+};
+escapedStateHandler['_'] = function (parser, terminal) {
+    parser.setState(ParserState.IGNORE);
+};
+escapedStateHandler['^'] = function (parser, terminal) {
+    parser.setState(ParserState.IGNORE);
+};
+escapedStateHandler['c'] = function (parser, terminal) {
+    terminal.reset();
+};
+escapedStateHandler['E'] = function (parser, terminal) {
+    terminal.buffer.x = 0;
+    terminal.index();
+    parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['D'] = function (parser, terminal) {
+    terminal.index();
+    parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['M'] = function (parser, terminal) {
+    terminal.reverseIndex();
+    parser.setState(ParserState.NORMAL);
+};
+escapedStateHandler['%'] = function (parser, terminal) {
+    terminal.setgLevel(0);
+    terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET);
+    parser.setState(ParserState.NORMAL);
+    parser.skipNextChar();
+};
+escapedStateHandler[EscapeSequences_1.C0.CAN] = function (parser) { return parser.setState(ParserState.NORMAL); };
+var csiParamStateHandler = {};
+csiParamStateHandler['?'] = function (parser) { return parser.setPrefix('?'); };
+csiParamStateHandler['>'] = function (parser) { return parser.setPrefix('>'); };
+csiParamStateHandler['!'] = function (parser) { return parser.setPrefix('!'); };
+csiParamStateHandler['0'] = function (parser) { return parser.setParam(parser.getParam() * 10); };
+csiParamStateHandler['1'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 1); };
+csiParamStateHandler['2'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 2); };
+csiParamStateHandler['3'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 3); };
+csiParamStateHandler['4'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 4); };
+csiParamStateHandler['5'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 5); };
+csiParamStateHandler['6'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 6); };
+csiParamStateHandler['7'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 7); };
+csiParamStateHandler['8'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 8); };
+csiParamStateHandler['9'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 9); };
+csiParamStateHandler['$'] = function (parser) { return parser.setPostfix('$'); };
+csiParamStateHandler['"'] = function (parser) { return parser.setPostfix('"'); };
+csiParamStateHandler[' '] = function (parser) { return parser.setPostfix(' '); };
+csiParamStateHandler['\''] = function (parser) { return parser.setPostfix('\''); };
+csiParamStateHandler[';'] = function (parser) { return parser.finalizeParam(); };
+csiParamStateHandler[EscapeSequences_1.C0.CAN] = function (parser) { return parser.setState(ParserState.NORMAL); };
+var csiStateHandler = {};
+csiStateHandler['@'] = function (handler, params, prefix) { return handler.insertChars(params); };
+csiStateHandler['A'] = function (handler, params, prefix) { return handler.cursorUp(params); };
+csiStateHandler['B'] = function (handler, params, prefix) { return handler.cursorDown(params); };
+csiStateHandler['C'] = function (handler, params, prefix) { return handler.cursorForward(params); };
+csiStateHandler['D'] = function (handler, params, prefix) { return handler.cursorBackward(params); };
+csiStateHandler['E'] = function (handler, params, prefix) { return handler.cursorNextLine(params); };
+csiStateHandler['F'] = function (handler, params, prefix) { return handler.cursorPrecedingLine(params); };
+csiStateHandler['G'] = function (handler, params, prefix) { return handler.cursorCharAbsolute(params); };
+csiStateHandler['H'] = function (handler, params, prefix) { return handler.cursorPosition(params); };
+csiStateHandler['I'] = function (handler, params, prefix) { return handler.cursorForwardTab(params); };
+csiStateHandler['J'] = function (handler, params, prefix) { return handler.eraseInDisplay(params); };
+csiStateHandler['K'] = function (handler, params, prefix) { return handler.eraseInLine(params); };
+csiStateHandler['L'] = function (handler, params, prefix) { return handler.insertLines(params); };
+csiStateHandler['M'] = function (handler, params, prefix) { return handler.deleteLines(params); };
+csiStateHandler['P'] = function (handler, params, prefix) { return handler.deleteChars(params); };
+csiStateHandler['S'] = function (handler, params, prefix) { return handler.scrollUp(params); };
+csiStateHandler['T'] = function (handler, params, prefix) {
+    if (params.length < 2 && !prefix) {
+        handler.scrollDown(params);
+    }
+};
+csiStateHandler['X'] = function (handler, params, prefix) { return handler.eraseChars(params); };
+csiStateHandler['Z'] = function (handler, params, prefix) { return handler.cursorBackwardTab(params); };
+csiStateHandler['`'] = function (handler, params, prefix) { return handler.charPosAbsolute(params); };
+csiStateHandler['a'] = function (handler, params, prefix) { return handler.HPositionRelative(params); };
+csiStateHandler['b'] = function (handler, params, prefix) { return handler.repeatPrecedingCharacter(params); };
+csiStateHandler['c'] = function (handler, params, prefix) { return handler.sendDeviceAttributes(params); };
+csiStateHandler['d'] = function (handler, params, prefix) { return handler.linePosAbsolute(params); };
+csiStateHandler['e'] = function (handler, params, prefix) { return handler.VPositionRelative(params); };
+csiStateHandler['f'] = function (handler, params, prefix) { return handler.HVPosition(params); };
+csiStateHandler['g'] = function (handler, params, prefix) { return handler.tabClear(params); };
+csiStateHandler['h'] = function (handler, params, prefix) { return handler.setMode(params); };
+csiStateHandler['l'] = function (handler, params, prefix) { return handler.resetMode(params); };
+csiStateHandler['m'] = function (handler, params, prefix) { return handler.charAttributes(params); };
+csiStateHandler['n'] = function (handler, params, prefix) { return handler.deviceStatus(params); };
+csiStateHandler['p'] = function (handler, params, prefix) {
+    switch (prefix) {
+        case '!':
+            handler.softReset(params);
+            break;
+    }
+};
+csiStateHandler['q'] = function (handler, params, prefix, postfix) {
+    if (postfix === ' ') {
+        handler.setCursorStyle(params);
+    }
+};
+csiStateHandler['r'] = function (handler, params) { return handler.setScrollRegion(params); };
+csiStateHandler['s'] = function (handler, params) { return handler.saveCursor(params); };
+csiStateHandler['u'] = function (handler, params) { return handler.restoreCursor(params); };
+csiStateHandler[EscapeSequences_1.C0.CAN] = function (handler, params, prefix, postfix, parser) { return parser.setState(ParserState.NORMAL); };
+var ParserState;
+(function (ParserState) {
+    ParserState[ParserState["NORMAL"] = 0] = "NORMAL";
+    ParserState[ParserState["ESCAPED"] = 1] = "ESCAPED";
+    ParserState[ParserState["CSI_PARAM"] = 2] = "CSI_PARAM";
+    ParserState[ParserState["CSI"] = 3] = "CSI";
+    ParserState[ParserState["OSC"] = 4] = "OSC";
+    ParserState[ParserState["CHARSET"] = 5] = "CHARSET";
+    ParserState[ParserState["DCS"] = 6] = "DCS";
+    ParserState[ParserState["IGNORE"] = 7] = "IGNORE";
+})(ParserState || (ParserState = {}));
+var Parser = (function () {
+    function Parser(_inputHandler, _terminal) {
+        this._inputHandler = _inputHandler;
+        this._terminal = _terminal;
+        this._state = ParserState.NORMAL;
+    }
+    Parser.prototype.parse = function (data) {
+        var l = data.length, j, cs, ch, code, low;
+        if (this._terminal.debug) {
+            this._terminal.log('data: ' + data);
+        }
+        this._position = 0;
+        if (this._terminal.surrogate_high) {
+            data = this._terminal.surrogate_high + data;
+            this._terminal.surrogate_high = '';
+        }
+        for (; this._position < l; this._position++) {
+            ch = data[this._position];
+            code = data.charCodeAt(this._position);
+            if (0xD800 <= code && code <= 0xDBFF) {
+                low = data.charCodeAt(this._position + 1);
+                if (isNaN(low)) {
+                    this._terminal.surrogate_high = ch;
+                    continue;
+                }
+                code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
+                ch += data.charAt(this._position + 1);
+            }
+            if (0xDC00 <= code && code <= 0xDFFF)
+                continue;
+            switch (this._state) {
+                case ParserState.NORMAL:
+                    if (ch in normalStateHandler) {
+                        normalStateHandler[ch](this, this._inputHandler);
+                    }
+                    else {
+                        this._inputHandler.addChar(ch, code);
+                    }
+                    break;
+                case ParserState.ESCAPED:
+                    if (ch in escapedStateHandler) {
+                        escapedStateHandler[ch](this, this._terminal);
+                        break;
+                    }
+                    switch (ch) {
+                        case '(':
+                        case ')':
+                        case '*':
+                        case '+':
+                        case '-':
+                        case '.':
+                            switch (ch) {
+                                case '(':
+                                    this._terminal.gcharset = 0;
+                                    break;
+                                case ')':
+                                    this._terminal.gcharset = 1;
+                                    break;
+                                case '*':
+                                    this._terminal.gcharset = 2;
+                                    break;
+                                case '+':
+                                    this._terminal.gcharset = 3;
+                                    break;
+                                case '-':
+                                    this._terminal.gcharset = 1;
+                                    break;
+                                case '.':
+                                    this._terminal.gcharset = 2;
+                                    break;
+                            }
+                            this._state = ParserState.CHARSET;
+                            break;
+                        case '/':
+                            this._terminal.gcharset = 3;
+                            this._state = ParserState.CHARSET;
+                            this._position--;
+                            break;
+                        case 'N':
+                            break;
+                        case 'O':
+                            break;
+                        case 'n':
+                            this._terminal.setgLevel(2);
+                            break;
+                        case 'o':
+                            this._terminal.setgLevel(3);
+                            break;
+                        case '|':
+                            this._terminal.setgLevel(3);
+                            break;
+                        case '}':
+                            this._terminal.setgLevel(2);
+                            break;
+                        case '~':
+                            this._terminal.setgLevel(1);
+                            break;
+                        case '7':
+                            this._inputHandler.saveCursor();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        case '8':
+                            this._inputHandler.restoreCursor();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        case '#':
+                            this._state = ParserState.NORMAL;
+                            this._position++;
+                            break;
+                        case 'H':
+                            this._terminal.tabSet();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        case '=':
+                            this._terminal.log('Serial port requested application keypad.');
+                            this._terminal.applicationKeypad = true;
+                            this._terminal.viewport.syncScrollArea();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        case '>':
+                            this._terminal.log('Switching back to normal keypad.');
+                            this._terminal.applicationKeypad = false;
+                            this._terminal.viewport.syncScrollArea();
+                            this._state = ParserState.NORMAL;
+                            break;
+                        default:
+                            this._state = ParserState.NORMAL;
+                            this._terminal.error('Unknown ESC control: %s.', ch);
+                            break;
+                    }
+                    break;
+                case ParserState.CHARSET:
+                    if (ch in Charsets_1.CHARSETS) {
+                        cs = Charsets_1.CHARSETS[ch];
+                        if (ch === '/') {
+                            this.skipNextChar();
+                        }
+                    }
+                    else {
+                        cs = Charsets_1.DEFAULT_CHARSET;
+                    }
+                    this._terminal.setgCharset(this._terminal.gcharset, cs);
+                    this._terminal.gcharset = null;
+                    this._state = ParserState.NORMAL;
+                    break;
+                case ParserState.OSC:
+                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {
+                        if (ch === EscapeSequences_1.C0.ESC)
+                            this._position++;
+                        this._terminal.params.push(this._terminal.currentParam);
+                        switch (this._terminal.params[0]) {
+                            case 0:
+                            case 1:
+                            case 2:
+                                if (this._terminal.params[1]) {
+                                    this._terminal.title = this._terminal.params[1];
+                                    this._terminal.handleTitle(this._terminal.title);
+                                }
+                                break;
+                            case 3:
+                                break;
+                            case 4:
+                            case 5:
+                                break;
+                            case 10:
+                            case 11:
+                            case 12:
+                            case 13:
+                            case 14:
+                            case 15:
+                            case 16:
+                            case 17:
+                            case 18:
+                            case 19:
+                                break;
+                            case 46:
+                                break;
+                            case 50:
+                                break;
+                            case 51:
+                                break;
+                            case 52:
+                                break;
+                            case 104:
+                            case 105:
+                            case 110:
+                            case 111:
+                            case 112:
+                            case 113:
+                            case 114:
+                            case 115:
+                            case 116:
+                            case 117:
+                            case 118:
+                                break;
+                        }
+                        this._terminal.params = [];
+                        this._terminal.currentParam = 0;
+                        this._state = ParserState.NORMAL;
+                    }
+                    else {
+                        if (!this._terminal.params.length) {
+                            if (ch >= '0' && ch <= '9') {
+                                this._terminal.currentParam =
+                                    this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;
+                            }
+                            else if (ch === ';') {
+                                this._terminal.params.push(this._terminal.currentParam);
+                                this._terminal.currentParam = '';
+                            }
+                        }
+                        else {
+                            this._terminal.currentParam += ch;
+                        }
+                    }
+                    break;
+                case ParserState.CSI_PARAM:
+                    if (ch in csiParamStateHandler) {
+                        csiParamStateHandler[ch](this);
+                        break;
+                    }
+                    this.finalizeParam();
+                    this._state = ParserState.CSI;
+                case ParserState.CSI:
+                    if (ch in csiStateHandler) {
+                        if (this._terminal.debug) {
+                            this._terminal.log("CSI " + (this._terminal.prefix ? this._terminal.prefix : '') + " " + (this._terminal.params ? this._terminal.params.join(';') : '') + " " + (this._terminal.postfix ? this._terminal.postfix : '') + " " + ch);
+                        }
+                        csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);
+                    }
+                    else {
+                        this._terminal.error('Unknown CSI code: %s.', ch);
+                    }
+                    this._state = ParserState.NORMAL;
+                    this._terminal.prefix = '';
+                    this._terminal.postfix = '';
+                    break;
+                case ParserState.DCS:
+                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {
+                        if (ch === EscapeSequences_1.C0.ESC)
+                            this._position++;
+                        var pt = void 0;
+                        var valid = void 0;
+                        switch (this._terminal.prefix) {
+                            case '':
+                                break;
+                            case '$q':
+                                pt = this._terminal.currentParam;
+                                valid = false;
+                                switch (pt) {
+                                    case '"q':
+                                        pt = '0"q';
+                                        break;
+                                    case '"p':
+                                        pt = '61"p';
+                                        break;
+                                    case 'r':
+                                        pt = ''
+                                            + (this._terminal.buffer.scrollTop + 1)
+                                            + ';'
+                                            + (this._terminal.buffer.scrollBottom + 1)
+                                            + 'r';
+                                        break;
+                                    case 'm':
+                                        pt = '0m';
+                                        break;
+                                    default:
+                                        this._terminal.error('Unknown DCS Pt: %s.', pt);
+                                        pt = '';
+                                        break;
+                                }
+                                this._terminal.send(EscapeSequences_1.C0.ESC + 'P' + +valid + '$r' + pt + EscapeSequences_1.C0.ESC + '\\');
+                                break;
+                            case '+p':
+                                break;
+                            case '+q':
+                                pt = this._terminal.currentParam;
+                                valid = false;
+                                this._terminal.send(EscapeSequences_1.C0.ESC + 'P' + +valid + '+r' + pt + EscapeSequences_1.C0.ESC + '\\');
+                                break;
+                            default:
+                                this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);
+                                break;
+                        }
+                        this._terminal.currentParam = 0;
+                        this._terminal.prefix = '';
+                        this._state = ParserState.NORMAL;
+                    }
+                    else if (!this._terminal.currentParam) {
+                        if (!this._terminal.prefix && ch !== '$' && ch !== '+') {
+                            this._terminal.currentParam = ch;
+                        }
+                        else if (this._terminal.prefix.length === 2) {
+                            this._terminal.currentParam = ch;
+                        }
+                        else {
+                            this._terminal.prefix += ch;
+                        }
+                    }
+                    else {
+                        this._terminal.currentParam += ch;
+                    }
+                    break;
+                case ParserState.IGNORE:
+                    if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) {
+                        if (ch === EscapeSequences_1.C0.ESC)
+                            this._position++;
+                        this._state = ParserState.NORMAL;
+                    }
+                    break;
+            }
+        }
+        return this._state;
+    };
+    Parser.prototype.setState = function (state) {
+        this._state = state;
+    };
+    Parser.prototype.setPrefix = function (prefix) {
+        this._terminal.prefix = prefix;
+    };
+    Parser.prototype.setPostfix = function (postfix) {
+        this._terminal.postfix = postfix;
+    };
+    Parser.prototype.setParam = function (param) {
+        this._terminal.currentParam = param;
+    };
+    Parser.prototype.getParam = function () {
+        return this._terminal.currentParam;
+    };
+    Parser.prototype.finalizeParam = function () {
+        this._terminal.params.push(this._terminal.currentParam);
+        this._terminal.currentParam = 0;
+    };
+    Parser.prototype.skipNextChar = function () {
+        this._position++;
+    };
+    return Parser;
+}());
+exports.Parser = Parser;
+
+
+
+},{"./Charsets":3,"./EscapeSequences":5}],10:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var DomElementObjectPool_1 = require("./utils/DomElementObjectPool");
+var MAX_REFRESH_FRAME_SKIP = 5;
+var FLAGS;
+(function (FLAGS) {
+    FLAGS[FLAGS["BOLD"] = 1] = "BOLD";
+    FLAGS[FLAGS["UNDERLINE"] = 2] = "UNDERLINE";
+    FLAGS[FLAGS["BLINK"] = 4] = "BLINK";
+    FLAGS[FLAGS["INVERSE"] = 8] = "INVERSE";
+    FLAGS[FLAGS["INVISIBLE"] = 16] = "INVISIBLE";
+})(FLAGS || (FLAGS = {}));
+;
+var brokenBold = null;
+var Renderer = (function () {
+    function Renderer(_terminal) {
+        this._terminal = _terminal;
+        this._refreshRowsQueue = [];
+        this._refreshFramesSkipped = 0;
+        this._refreshAnimationFrame = null;
+        this._spanElementObjectPool = new DomElementObjectPool_1.DomElementObjectPool('span');
+        if (brokenBold === null) {
+            brokenBold = checkBoldBroken(this._terminal.element);
+        }
+        this._spanElementObjectPool = new DomElementObjectPool_1.DomElementObjectPool('span');
+    }
+    Renderer.prototype.queueRefresh = function (start, end) {
+        this._refreshRowsQueue.push({ start: start, end: end });
+        if (!this._refreshAnimationFrame) {
+            this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));
+        }
+    };
+    Renderer.prototype._refreshLoop = function () {
+        var skipFrame = this._terminal.writeBuffer.length > 0 && this._refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP;
+        if (skipFrame) {
+            this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));
+            return;
+        }
+        this._refreshFramesSkipped = 0;
+        var start;
+        var end;
+        if (this._refreshRowsQueue.length > 4) {
+            start = 0;
+            end = this._terminal.rows - 1;
+        }
+        else {
+            start = this._refreshRowsQueue[0].start;
+            end = this._refreshRowsQueue[0].end;
+            for (var i = 1; i < this._refreshRowsQueue.length; i++) {
+                if (this._refreshRowsQueue[i].start < start) {
+                    start = this._refreshRowsQueue[i].start;
+                }
+                if (this._refreshRowsQueue[i].end > end) {
+                    end = this._refreshRowsQueue[i].end;
+                }
+            }
+        }
+        this._refreshRowsQueue = [];
+        this._refreshAnimationFrame = null;
+        this._refresh(start, end);
+    };
+    Renderer.prototype._refresh = function (start, end) {
+        var parent;
+        if (end - start >= this._terminal.rows / 2) {
+            parent = this._terminal.element.parentNode;
+            if (parent) {
+                this._terminal.element.removeChild(this._terminal.rowContainer);
+            }
+        }
+        var width = this._terminal.cols;
+        var y = start;
+        if (end >= this._terminal.rows) {
+            this._terminal.log('`end` is too large. Most likely a bad CSR.');
+            end = this._terminal.rows - 1;
+        }
+        for (; y <= end; y++) {
+            var row = y + this._terminal.buffer.ydisp;
+            var line = this._terminal.buffer.lines.get(row);
+            var x = void 0;
+            if (this._terminal.buffer.y === y - (this._terminal.buffer.ybase - this._terminal.buffer.ydisp) &&
+                this._terminal.cursorState &&
+                !this._terminal.cursorHidden) {
+                x = this._terminal.buffer.x;
+            }
+            else {
+                x = -1;
+            }
+            var attr = this._terminal.defAttr;
+            var documentFragment = document.createDocumentFragment();
+            var innerHTML = '';
+            var currentElement = void 0;
+            while (this._terminal.children[y].children.length) {
+                var child = this._terminal.children[y].children[0];
+                this._terminal.children[y].removeChild(child);
+                this._spanElementObjectPool.release(child);
+            }
+            for (var i = 0; i < width; i++) {
+                var data = line[i][0];
+                var ch = line[i][1];
+                var ch_width = line[i][2];
+                var isCursor = i === x;
+                if (!ch_width) {
+                    continue;
+                }
+                if (data !== attr || isCursor) {
+                    if (attr !== this._terminal.defAttr && !isCursor) {
+                        if (innerHTML) {
+                            currentElement.innerHTML = innerHTML;
+                            innerHTML = '';
+                        }
+                        documentFragment.appendChild(currentElement);
+                        currentElement = null;
+                    }
+                    if (data !== this._terminal.defAttr || isCursor) {
+                        if (innerHTML && !currentElement) {
+                            currentElement = this._spanElementObjectPool.acquire();
+                        }
+                        if (currentElement) {
+                            if (innerHTML) {
+                                currentElement.innerHTML = innerHTML;
+                                innerHTML = '';
+                            }
+                            documentFragment.appendChild(currentElement);
+                        }
+                        currentElement = this._spanElementObjectPool.acquire();
+                        var bg = data & 0x1ff;
+                        var fg = (data >> 9) & 0x1ff;
+                        var flags = data >> 18;
+                        if (isCursor) {
+                            currentElement.classList.add('reverse-video');
+                            currentElement.classList.add('terminal-cursor');
+                        }
+                        if (flags & FLAGS.BOLD) {
+                            if (!brokenBold) {
+                                currentElement.classList.add('xterm-bold');
+                            }
+                            if (fg < 8) {
+                                fg += 8;
+                            }
+                        }
+                        if (flags & FLAGS.UNDERLINE) {
+                            currentElement.classList.add('xterm-underline');
+                        }
+                        if (flags & FLAGS.BLINK) {
+                            currentElement.classList.add('xterm-blink');
+                        }
+                        if (flags & FLAGS.INVERSE) {
+                            var temp = bg;
+                            bg = fg;
+                            fg = temp;
+                            if ((flags & 1) && fg < 8) {
+                                fg += 8;
+                            }
+                        }
+                        if (flags & FLAGS.INVISIBLE && !isCursor) {
+                            currentElement.classList.add('xterm-hidden');
+                        }
+                        if (flags & FLAGS.INVERSE) {
+                            if (bg === 257) {
+                                bg = 15;
+                            }
+                            if (fg === 256) {
+                                fg = 0;
+                            }
+                        }
+                        if (bg < 256) {
+                            currentElement.classList.add("xterm-bg-color-" + bg);
+                        }
+                        if (fg < 256) {
+                            currentElement.classList.add("xterm-color-" + fg);
+                        }
+                    }
+                }
+                if (ch_width === 2) {
+                    innerHTML += "<span class=\"xterm-wide-char\">" + ch + "</span>";
+                }
+                else if (ch.charCodeAt(0) > 255) {
+                    innerHTML += "<span class=\"xterm-normal-char\">" + ch + "</span>";
+                }
+                else {
+                    switch (ch) {
+                        case '&':
+                            innerHTML += '&amp;';
+                            break;
+                        case '<':
+                            innerHTML += '&lt;';
+                            break;
+                        case '>':
+                            innerHTML += '&gt;';
+                            break;
+                        default:
+                            if (ch <= ' ') {
+                                innerHTML += '&nbsp;';
+                            }
+                            else {
+                                innerHTML += ch;
+                            }
+                            break;
+                    }
+                }
+                attr = isCursor ? -1 : data;
+            }
+            if (innerHTML && !currentElement) {
+                currentElement = this._spanElementObjectPool.acquire();
+            }
+            if (currentElement) {
+                if (innerHTML) {
+                    currentElement.innerHTML = innerHTML;
+                    innerHTML = '';
+                }
+                documentFragment.appendChild(currentElement);
+                currentElement = null;
+            }
+            this._terminal.children[y].appendChild(documentFragment);
+        }
+        if (parent) {
+            this._terminal.element.appendChild(this._terminal.rowContainer);
+        }
+        this._terminal.emit('refresh', { element: this._terminal.element, start: start, end: end });
+    };
+    ;
+    Renderer.prototype.refreshSelection = function (start, end) {
+        while (this._terminal.selectionContainer.children.length) {
+            this._terminal.selectionContainer.removeChild(this._terminal.selectionContainer.children[0]);
+        }
+        if (!start || !end) {
+            return;
+        }
+        var viewportStartRow = start[1] - this._terminal.buffer.ydisp;
+        var viewportEndRow = end[1] - this._terminal.buffer.ydisp;
+        var viewportCappedStartRow = Math.max(viewportStartRow, 0);
+        var viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);
+        if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {
+            return;
+        }
+        var documentFragment = document.createDocumentFragment();
+        var startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
+        var endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
+        documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));
+        var middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;
+        documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));
+        if (viewportCappedStartRow !== viewportCappedEndRow) {
+            var endCol_1 = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
+            documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol_1));
+        }
+        this._terminal.selectionContainer.appendChild(documentFragment);
+    };
+    Renderer.prototype._createSelectionElement = function (row, colStart, colEnd, rowCount) {
+        if (rowCount === void 0) { rowCount = 1; }
+        var element = document.createElement('div');
+        element.style.height = rowCount * this._terminal.charMeasure.height + "px";
+        element.style.top = row * this._terminal.charMeasure.height + "px";
+        element.style.left = colStart * this._terminal.charMeasure.width + "px";
+        element.style.width = this._terminal.charMeasure.width * (colEnd - colStart) + "px";
+        return element;
+    };
+    return Renderer;
+}());
+exports.Renderer = Renderer;
+function checkBoldBroken(terminal) {
+    var document = terminal.ownerDocument;
+    var el = document.createElement('span');
+    el.innerHTML = 'hello world';
+    terminal.appendChild(el);
+    var w1 = el.offsetWidth;
+    var h1 = el.offsetHeight;
+    el.style.fontWeight = 'bold';
+    var w2 = el.offsetWidth;
+    var h2 = el.offsetHeight;
+    terminal.removeChild(el);
+    return w1 !== w2 || h1 !== h2;
+}
+
+
+
+},{"./utils/DomElementObjectPool":19}],11:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var Mouse = require("./utils/Mouse");
+var Browser = require("./utils/Browser");
+var EventEmitter_1 = require("./EventEmitter");
+var SelectionModel_1 = require("./SelectionModel");
+var BufferLine_1 = require("./utils/BufferLine");
+var DRAG_SCROLL_MAX_THRESHOLD = 50;
+var DRAG_SCROLL_MAX_SPEED = 15;
+var DRAG_SCROLL_INTERVAL = 50;
+var WORD_SEPARATORS = ' ()[]{}\'"';
+var LINE_DATA_CHAR_INDEX = 1;
+var LINE_DATA_WIDTH_INDEX = 2;
+var NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);
+var ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');
+var SelectionMode;
+(function (SelectionMode) {
+    SelectionMode[SelectionMode["NORMAL"] = 0] = "NORMAL";
+    SelectionMode[SelectionMode["WORD"] = 1] = "WORD";
+    SelectionMode[SelectionMode["LINE"] = 2] = "LINE";
+})(SelectionMode || (SelectionMode = {}));
+var SelectionManager = (function (_super) {
+    __extends(SelectionManager, _super);
+    function SelectionManager(_terminal, _buffer, _rowContainer, _charMeasure) {
+        var _this = _super.call(this) || this;
+        _this._terminal = _terminal;
+        _this._buffer = _buffer;
+        _this._rowContainer = _rowContainer;
+        _this._charMeasure = _charMeasure;
+        _this._enabled = true;
+        _this._initListeners();
+        _this.enable();
+        _this._model = new SelectionModel_1.SelectionModel(_terminal);
+        _this._activeSelectionMode = SelectionMode.NORMAL;
+        return _this;
+    }
+    SelectionManager.prototype._initListeners = function () {
+        var _this = this;
+        this._mouseMoveListener = function (event) { return _this._onMouseMove(event); };
+        this._mouseUpListener = function (event) { return _this._onMouseUp(event); };
+        this._rowContainer.addEventListener('mousedown', function (event) { return _this._onMouseDown(event); });
+        this._buffer.on('trim', function (amount) { return _this._onTrim(amount); });
+    };
+    SelectionManager.prototype.disable = function () {
+        this.clearSelection();
+        this._enabled = false;
+    };
+    SelectionManager.prototype.enable = function () {
+        this._enabled = true;
+    };
+    SelectionManager.prototype.setBuffer = function (buffer) {
+        this._buffer = buffer;
+        this.clearSelection();
+    };
+    Object.defineProperty(SelectionManager.prototype, "selectionStart", {
+        get: function () { return this._model.finalSelectionStart; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "selectionEnd", {
+        get: function () { return this._model.finalSelectionEnd; },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "hasSelection", {
+        get: function () {
+            var start = this._model.finalSelectionStart;
+            var end = this._model.finalSelectionEnd;
+            if (!start || !end) {
+                return false;
+            }
+            return start[0] !== end[0] || start[1] !== end[1];
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionManager.prototype, "selectionText", {
+        get: function () {
+            var start = this._model.finalSelectionStart;
+            var end = this._model.finalSelectionEnd;
+            if (!start || !end) {
+                return '';
+            }
+            var startRowEndCol = start[1] === end[1] ? end[0] : null;
+            var result = [];
+            result.push(BufferLine_1.translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol));
+            for (var i = start[1] + 1; i <= end[1] - 1; i++) {
+                var bufferLine = this._buffer.get(i);
+                var lineText = BufferLine_1.translateBufferLineToString(bufferLine, true);
+                if (bufferLine.isWrapped) {
+                    result[result.length - 1] += lineText;
+                }
+                else {
+                    result.push(lineText);
+                }
+            }
+            if (start[1] !== end[1]) {
+                var bufferLine = this._buffer.get(end[1]);
+                var lineText = BufferLine_1.translateBufferLineToString(bufferLine, true, 0, end[0]);
+                if (bufferLine.isWrapped) {
+                    result[result.length - 1] += lineText;
+                }
+                else {
+                    result.push(lineText);
+                }
+            }
+            var formattedResult = result.map(function (line) {
+                return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');
+            }).join(Browser.isMSWindows ? '\r\n' : '\n');
+            return formattedResult;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    SelectionManager.prototype.clearSelection = function () {
+        this._model.clearSelection();
+        this._removeMouseDownListeners();
+        this.refresh();
+    };
+    SelectionManager.prototype.refresh = function (isNewSelection) {
+        var _this = this;
+        if (!this._refreshAnimationFrame) {
+            this._refreshAnimationFrame = window.requestAnimationFrame(function () { return _this._refresh(); });
+        }
+        if (Browser.isLinux && isNewSelection) {
+            var selectionText = this.selectionText;
+            if (selectionText.length) {
+                this.emit('newselection', this.selectionText);
+            }
+        }
+    };
+    SelectionManager.prototype._refresh = function () {
+        this._refreshAnimationFrame = null;
+        this.emit('refresh', { start: this._model.finalSelectionStart, end: this._model.finalSelectionEnd });
+    };
+    SelectionManager.prototype.selectAll = function () {
+        this._model.isSelectAllActive = true;
+        this.refresh();
+    };
+    SelectionManager.prototype._onTrim = function (amount) {
+        var needsRefresh = this._model.onTrim(amount);
+        if (needsRefresh) {
+            this.refresh();
+        }
+    };
+    SelectionManager.prototype._getMouseBufferCoords = function (event) {
+        var coords = Mouse.getCoords(event, this._rowContainer, this._charMeasure, this._terminal.cols, this._terminal.rows, true);
+        if (!coords) {
+            return null;
+        }
+        coords[0]--;
+        coords[1]--;
+        coords[1] += this._terminal.buffer.ydisp;
+        return coords;
+    };
+    SelectionManager.prototype._getMouseEventScrollAmount = function (event) {
+        var offset = Mouse.getCoordsRelativeToElement(event, this._rowContainer)[1];
+        var terminalHeight = this._terminal.rows * this._charMeasure.height;
+        if (offset >= 0 && offset <= terminalHeight) {
+            return 0;
+        }
+        if (offset > terminalHeight) {
+            offset -= terminalHeight;
+        }
+        offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);
+        offset /= DRAG_SCROLL_MAX_THRESHOLD;
+        return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));
+    };
+    SelectionManager.prototype._onMouseDown = function (event) {
+        if (event.button === 2 && this.hasSelection) {
+            event.stopPropagation();
+            return;
+        }
+        if (event.button !== 0) {
+            return;
+        }
+        if (!this._enabled) {
+            var shouldForceSelection = Browser.isMac && event.altKey;
+            if (!shouldForceSelection) {
+                return;
+            }
+            event.stopPropagation();
+        }
+        event.preventDefault();
+        this._dragScrollAmount = 0;
+        if (this._enabled && event.shiftKey) {
+            this._onIncrementalClick(event);
+        }
+        else {
+            if (event.detail === 1) {
+                this._onSingleClick(event);
+            }
+            else if (event.detail === 2) {
+                this._onDoubleClick(event);
+            }
+            else if (event.detail === 3) {
+                this._onTripleClick(event);
+            }
+        }
+        this._addMouseDownListeners();
+        this.refresh(true);
+    };
+    SelectionManager.prototype._addMouseDownListeners = function () {
+        var _this = this;
+        this._rowContainer.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);
+        this._rowContainer.ownerDocument.addEventListener('mouseup', this._mouseUpListener);
+        this._dragScrollIntervalTimer = setInterval(function () { return _this._dragScroll(); }, DRAG_SCROLL_INTERVAL);
+    };
+    SelectionManager.prototype._removeMouseDownListeners = function () {
+        this._rowContainer.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);
+        this._rowContainer.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);
+        clearInterval(this._dragScrollIntervalTimer);
+        this._dragScrollIntervalTimer = null;
+    };
+    SelectionManager.prototype._onIncrementalClick = function (event) {
+        if (this._model.selectionStart) {
+            this._model.selectionEnd = this._getMouseBufferCoords(event);
+        }
+    };
+    SelectionManager.prototype._onSingleClick = function (event) {
+        this._model.selectionStartLength = 0;
+        this._model.isSelectAllActive = false;
+        this._activeSelectionMode = SelectionMode.NORMAL;
+        this._model.selectionStart = this._getMouseBufferCoords(event);
+        if (!this._model.selectionStart) {
+            return;
+        }
+        this._model.selectionEnd = null;
+        var line = this._buffer.get(this._model.selectionStart[1]);
+        if (!line) {
+            return;
+        }
+        var char = line[this._model.selectionStart[0]];
+        if (char[LINE_DATA_WIDTH_INDEX] === 0) {
+            this._model.selectionStart[0]++;
+        }
+    };
+    SelectionManager.prototype._onDoubleClick = function (event) {
+        var coords = this._getMouseBufferCoords(event);
+        if (coords) {
+            this._activeSelectionMode = SelectionMode.WORD;
+            this._selectWordAt(coords);
+        }
+    };
+    SelectionManager.prototype._onTripleClick = function (event) {
+        var coords = this._getMouseBufferCoords(event);
+        if (coords) {
+            this._activeSelectionMode = SelectionMode.LINE;
+            this._selectLineAt(coords[1]);
+        }
+    };
+    SelectionManager.prototype._onMouseMove = function (event) {
+        var previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;
+        this._model.selectionEnd = this._getMouseBufferCoords(event);
+        if (!this._model.selectionEnd) {
+            this.refresh(true);
+            return;
+        }
+        if (this._activeSelectionMode === SelectionMode.LINE) {
+            if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {
+                this._model.selectionEnd[0] = 0;
+            }
+            else {
+                this._model.selectionEnd[0] = this._terminal.cols;
+            }
+        }
+        else if (this._activeSelectionMode === SelectionMode.WORD) {
+            this._selectToWordAt(this._model.selectionEnd);
+        }
+        this._dragScrollAmount = this._getMouseEventScrollAmount(event);
+        if (this._dragScrollAmount > 0) {
+            this._model.selectionEnd[0] = this._terminal.cols - 1;
+        }
+        else if (this._dragScrollAmount < 0) {
+            this._model.selectionEnd[0] = 0;
+        }
+        if (this._model.selectionEnd[1] < this._buffer.length) {
+            var char = this._buffer.get(this._model.selectionEnd[1])[this._model.selectionEnd[0]];
+            if (char && char[2] === 0) {
+                this._model.selectionEnd[0]++;
+            }
+        }
+        if (!previousSelectionEnd ||
+            previousSelectionEnd[0] !== this._model.selectionEnd[0] ||
+            previousSelectionEnd[1] !== this._model.selectionEnd[1]) {
+            this.refresh(true);
+        }
+    };
+    SelectionManager.prototype._dragScroll = function () {
+        if (this._dragScrollAmount) {
+            this._terminal.scrollDisp(this._dragScrollAmount, false);
+            if (this._dragScrollAmount > 0) {
+                this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.buffer.ydisp + this._terminal.rows];
+            }
+            else {
+                this._model.selectionEnd = [0, this._terminal.buffer.ydisp];
+            }
+            this.refresh();
+        }
+    };
+    SelectionManager.prototype._onMouseUp = function (event) {
+        this._removeMouseDownListeners();
+    };
+    SelectionManager.prototype._convertViewportColToCharacterIndex = function (bufferLine, coords) {
+        var charIndex = coords[0];
+        for (var i = 0; coords[0] >= i; i++) {
+            var char = bufferLine[i];
+            if (char[LINE_DATA_WIDTH_INDEX] === 0) {
+                charIndex--;
+            }
+        }
+        return charIndex;
+    };
+    SelectionManager.prototype.setSelection = function (col, row, length) {
+        this._model.clearSelection();
+        this._removeMouseDownListeners();
+        this._model.selectionStart = [col, row];
+        this._model.selectionStartLength = length;
+        this.refresh();
+    };
+    SelectionManager.prototype._getWordAt = function (coords) {
+        var bufferLine = this._buffer.get(coords[1]);
+        if (!bufferLine) {
+            return null;
+        }
+        var line = BufferLine_1.translateBufferLineToString(bufferLine, false);
+        var endIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);
+        var startIndex = endIndex;
+        var charOffset = coords[0] - startIndex;
+        var leftWideCharCount = 0;
+        var rightWideCharCount = 0;
+        if (line.charAt(startIndex) === ' ') {
+            while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {
+                startIndex--;
+            }
+            while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {
+                endIndex++;
+            }
+        }
+        else {
+            var startCol = coords[0];
+            var endCol = coords[0];
+            if (bufferLine[startCol][LINE_DATA_WIDTH_INDEX] === 0) {
+                leftWideCharCount++;
+                startCol--;
+            }
+            if (bufferLine[endCol][LINE_DATA_WIDTH_INDEX] === 2) {
+                rightWideCharCount++;
+                endCol++;
+            }
+            while (startIndex > 0 && !this._isCharWordSeparator(line.charAt(startIndex - 1))) {
+                if (bufferLine[startCol - 1][LINE_DATA_WIDTH_INDEX] === 0) {
+                    leftWideCharCount++;
+                    startCol--;
+                }
+                startIndex--;
+                startCol--;
+            }
+            while (endIndex + 1 < line.length && !this._isCharWordSeparator(line.charAt(endIndex + 1))) {
+                if (bufferLine[endCol + 1][LINE_DATA_WIDTH_INDEX] === 2) {
+                    rightWideCharCount++;
+                    endCol++;
+                }
+                endIndex++;
+                endCol++;
+            }
+        }
+        var start = startIndex + charOffset - leftWideCharCount;
+        var length = Math.min(endIndex - startIndex + leftWideCharCount + rightWideCharCount + 1, this._terminal.cols);
+        return { start: start, length: length };
+    };
+    SelectionManager.prototype._selectWordAt = function (coords) {
+        var wordPosition = this._getWordAt(coords);
+        if (wordPosition) {
+            this._model.selectionStart = [wordPosition.start, coords[1]];
+            this._model.selectionStartLength = wordPosition.length;
+        }
+    };
+    SelectionManager.prototype._selectToWordAt = function (coords) {
+        var wordPosition = this._getWordAt(coords);
+        if (wordPosition) {
+            this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];
+        }
+    };
+    SelectionManager.prototype._isCharWordSeparator = function (char) {
+        return WORD_SEPARATORS.indexOf(char) >= 0;
+    };
+    SelectionManager.prototype._selectLineAt = function (line) {
+        this._model.selectionStart = [0, line];
+        this._model.selectionStartLength = this._terminal.cols;
+    };
+    return SelectionManager;
+}(EventEmitter_1.EventEmitter));
+exports.SelectionManager = SelectionManager;
+
+
+
+},{"./EventEmitter":6,"./SelectionModel":12,"./utils/Browser":15,"./utils/BufferLine":16,"./utils/Mouse":21}],12:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var SelectionModel = (function () {
+    function SelectionModel(_terminal) {
+        this._terminal = _terminal;
+        this.clearSelection();
+    }
+    SelectionModel.prototype.clearSelection = function () {
+        this.selectionStart = null;
+        this.selectionEnd = null;
+        this.isSelectAllActive = false;
+        this.selectionStartLength = 0;
+    };
+    Object.defineProperty(SelectionModel.prototype, "finalSelectionStart", {
+        get: function () {
+            if (this.isSelectAllActive) {
+                return [0, 0];
+            }
+            if (!this.selectionEnd || !this.selectionStart) {
+                return this.selectionStart;
+            }
+            return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(SelectionModel.prototype, "finalSelectionEnd", {
+        get: function () {
+            if (this.isSelectAllActive) {
+                return [this._terminal.cols, this._terminal.buffer.ybase + this._terminal.rows - 1];
+            }
+            if (!this.selectionStart) {
+                return null;
+            }
+            if (!this.selectionEnd || this.areSelectionValuesReversed()) {
+                return [this.selectionStart[0] + this.selectionStartLength, this.selectionStart[1]];
+            }
+            if (this.selectionStartLength) {
+                if (this.selectionEnd[1] === this.selectionStart[1]) {
+                    return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];
+                }
+            }
+            return this.selectionEnd;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    SelectionModel.prototype.areSelectionValuesReversed = function () {
+        var start = this.selectionStart;
+        var end = this.selectionEnd;
+        return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);
+    };
+    SelectionModel.prototype.onTrim = function (amount) {
+        if (this.selectionStart) {
+            this.selectionStart[1] -= amount;
+        }
+        if (this.selectionEnd) {
+            this.selectionEnd[1] -= amount;
+        }
+        if (this.selectionEnd && this.selectionEnd[1] < 0) {
+            this.clearSelection();
+            return true;
+        }
+        if (this.selectionStart && this.selectionStart[1] < 0) {
+            this.selectionStart[1] = 0;
+        }
+        return false;
+    };
+    return SelectionModel;
+}());
+exports.SelectionModel = SelectionModel;
+
+
+
+},{}],13:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Viewport = (function () {
+    function Viewport(terminal, viewportElement, scrollArea, charMeasure) {
+        var _this = this;
+        this.terminal = terminal;
+        this.viewportElement = viewportElement;
+        this.scrollArea = scrollArea;
+        this.charMeasure = charMeasure;
+        this.currentRowHeight = 0;
+        this.lastRecordedBufferLength = 0;
+        this.lastRecordedViewportHeight = 0;
+        this.terminal.on('scroll', this.syncScrollArea.bind(this));
+        this.terminal.on('resize', this.syncScrollArea.bind(this));
+        this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));
+        setTimeout(function () { return _this.syncScrollArea(); }, 0);
+    }
+    Viewport.prototype.refresh = function () {
+        if (this.charMeasure.height > 0) {
+            var rowHeightChanged = this.charMeasure.height !== this.currentRowHeight;
+            if (rowHeightChanged) {
+                this.currentRowHeight = this.charMeasure.height;
+                this.viewportElement.style.lineHeight = this.charMeasure.height + 'px';
+                this.terminal.rowContainer.style.lineHeight = this.charMeasure.height + 'px';
+            }
+            var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;
+            if (rowHeightChanged || viewportHeightChanged) {
+                this.lastRecordedViewportHeight = this.terminal.rows;
+                this.viewportElement.style.height = this.charMeasure.height * this.terminal.rows + 'px';
+                this.terminal.selectionContainer.style.height = this.viewportElement.style.height;
+            }
+            this.scrollArea.style.height = (this.charMeasure.height * this.lastRecordedBufferLength) + 'px';
+        }
+    };
+    Viewport.prototype.syncScrollArea = function () {
+        if (this.lastRecordedBufferLength !== this.terminal.buffer.lines.length) {
+            this.lastRecordedBufferLength = this.terminal.buffer.lines.length;
+            this.refresh();
+        }
+        else if (this.lastRecordedViewportHeight !== this.terminal.rows) {
+            this.refresh();
+        }
+        else {
+            if (this.charMeasure.height !== this.currentRowHeight) {
+                this.refresh();
+            }
+        }
+        var scrollTop = this.terminal.buffer.ydisp * this.currentRowHeight;
+        if (this.viewportElement.scrollTop !== scrollTop) {
+            this.viewportElement.scrollTop = scrollTop;
+        }
+    };
+    Viewport.prototype.onScroll = function (ev) {
+        var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);
+        var diff = newRow - this.terminal.buffer.ydisp;
+        this.terminal.scrollDisp(diff, true);
+    };
+    Viewport.prototype.onWheel = function (ev) {
+        if (ev.deltaY === 0) {
+            return;
+        }
+        var multiplier = 1;
+        if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
+            multiplier = this.currentRowHeight;
+        }
+        else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
+            multiplier = this.currentRowHeight * this.terminal.rows;
+        }
+        this.viewportElement.scrollTop += ev.deltaY * multiplier;
+        ev.preventDefault();
+    };
+    ;
+    Viewport.prototype.onTouchStart = function (ev) {
+        this.lastTouchY = ev.touches[0].pageY;
+    };
+    ;
+    Viewport.prototype.onTouchMove = function (ev) {
+        var deltaY = this.lastTouchY - ev.touches[0].pageY;
+        this.lastTouchY = ev.touches[0].pageY;
+        if (deltaY === 0) {
+            return;
+        }
+        this.viewportElement.scrollTop += deltaY;
+        ev.preventDefault();
+    };
+    ;
+    return Viewport;
+}());
+exports.Viewport = Viewport;
+
+
+
+},{}],14:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function prepareTextForTerminal(text, isMSWindows) {
+    if (isMSWindows) {
+        return text.replace(/\r?\n/g, '\r');
+    }
+    return text;
+}
+exports.prepareTextForTerminal = prepareTextForTerminal;
+function copyHandler(ev, term, selectionManager) {
+    if (term.browser.isMSIE) {
+        window.clipboardData.setData('Text', selectionManager.selectionText);
+    }
+    else {
+        ev.clipboardData.setData('text/plain', selectionManager.selectionText);
+    }
+    ev.preventDefault();
+}
+exports.copyHandler = copyHandler;
+function pasteHandler(ev, term) {
+    ev.stopPropagation();
+    var text;
+    var dispatchPaste = function (text) {
+        text = prepareTextForTerminal(text, term.browser.isMSWindows);
+        term.handler(text);
+        term.textarea.value = '';
+        term.emit('paste', text);
+        return term.cancel(ev);
+    };
+    if (term.browser.isMSIE) {
+        if (window.clipboardData) {
+            text = window.clipboardData.getData('Text');
+            dispatchPaste(text);
+        }
+    }
+    else {
+        if (ev.clipboardData) {
+            text = ev.clipboardData.getData('text/plain');
+            dispatchPaste(text);
+        }
+    }
+}
+exports.pasteHandler = pasteHandler;
+function moveTextAreaUnderMouseCursor(ev, textarea) {
+    textarea.style.position = 'fixed';
+    textarea.style.width = '20px';
+    textarea.style.height = '20px';
+    textarea.style.left = (ev.clientX - 10) + 'px';
+    textarea.style.top = (ev.clientY - 10) + 'px';
+    textarea.style.zIndex = '1000';
+    textarea.focus();
+    setTimeout(function () {
+        textarea.style.position = null;
+        textarea.style.width = null;
+        textarea.style.height = null;
+        textarea.style.left = null;
+        textarea.style.top = null;
+        textarea.style.zIndex = null;
+    }, 4);
+}
+exports.moveTextAreaUnderMouseCursor = moveTextAreaUnderMouseCursor;
+function rightClickHandler(ev, textarea, selectionManager) {
+    moveTextAreaUnderMouseCursor(ev, textarea);
+    textarea.value = selectionManager.selectionText;
+    textarea.select();
+}
+exports.rightClickHandler = rightClickHandler;
+
+
+
+},{}],15:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var Generic_1 = require("./Generic");
+var isNode = (typeof navigator === 'undefined') ? true : false;
+var userAgent = (isNode) ? 'node' : navigator.userAgent;
+var platform = (isNode) ? 'node' : navigator.platform;
+exports.isFirefox = !!~userAgent.indexOf('Firefox');
+exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');
+exports.isMac = Generic_1.contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);
+exports.isIpad = platform === 'iPad';
+exports.isIphone = platform === 'iPhone';
+exports.isMSWindows = Generic_1.contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);
+exports.isLinux = platform.indexOf('Linux') >= 0;
+
+
+
+},{"./Generic":20}],16:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var LINE_DATA_CHAR_INDEX = 1;
+var LINE_DATA_WIDTH_INDEX = 2;
+function translateBufferLineToString(line, trimRight, startCol, endCol) {
+    if (startCol === void 0) { startCol = 0; }
+    if (endCol === void 0) { endCol = null; }
+    var lineString = '';
+    var widthAdjustedStartCol = startCol;
+    var widthAdjustedEndCol = endCol;
+    for (var i = 0; i < line.length; i++) {
+        var char = line[i];
+        lineString += char[LINE_DATA_CHAR_INDEX];
+        if (char[LINE_DATA_WIDTH_INDEX] === 0) {
+            if (startCol >= i) {
+                widthAdjustedStartCol--;
+            }
+            if (endCol >= i) {
+                widthAdjustedEndCol--;
+            }
+        }
+    }
+    var finalEndCol = widthAdjustedEndCol || line.length;
+    if (trimRight) {
+        var rightWhitespaceIndex = lineString.search(/\s+$/);
+        if (rightWhitespaceIndex !== -1) {
+            finalEndCol = Math.min(finalEndCol, rightWhitespaceIndex);
+        }
+        if (finalEndCol <= widthAdjustedStartCol) {
+            return '';
+        }
+    }
+    return lineString.substring(widthAdjustedStartCol, finalEndCol);
+}
+exports.translateBufferLineToString = translateBufferLineToString;
+
+
+
+},{}],17:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var EventEmitter_js_1 = require("../EventEmitter.js");
+var CharMeasure = (function (_super) {
+    __extends(CharMeasure, _super);
+    function CharMeasure(document, parentElement) {
+        var _this = _super.call(this) || this;
+        _this._document = document;
+        _this._parentElement = parentElement;
+        return _this;
+    }
+    Object.defineProperty(CharMeasure.prototype, "width", {
+        get: function () {
+            return this._width;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(CharMeasure.prototype, "height", {
+        get: function () {
+            return this._height;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    CharMeasure.prototype.measure = function () {
+        var _this = this;
+        if (!this._measureElement) {
+            this._measureElement = this._document.createElement('span');
+            this._measureElement.style.position = 'absolute';
+            this._measureElement.style.top = '0';
+            this._measureElement.style.left = '-9999em';
+            this._measureElement.textContent = 'W';
+            this._measureElement.setAttribute('aria-hidden', 'true');
+            this._parentElement.appendChild(this._measureElement);
+            setTimeout(function () { return _this._doMeasure(); }, 0);
+        }
+        else {
+            this._doMeasure();
+        }
+    };
+    CharMeasure.prototype._doMeasure = function () {
+        var geometry = this._measureElement.getBoundingClientRect();
+        if (geometry.width === 0 || geometry.height === 0) {
+            return;
+        }
+        if (this._width !== geometry.width || this._height !== geometry.height) {
+            this._width = geometry.width;
+            this._height = geometry.height;
+            this.emit('charsizechanged');
+        }
+    };
+    return CharMeasure;
+}(EventEmitter_js_1.EventEmitter));
+exports.CharMeasure = CharMeasure;
+
+
+
+},{"../EventEmitter.js":6}],18:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+var EventEmitter_1 = require("../EventEmitter");
+var CircularList = (function (_super) {
+    __extends(CircularList, _super);
+    function CircularList(maxLength) {
+        var _this = _super.call(this) || this;
+        _this._array = new Array(maxLength);
+        _this._startIndex = 0;
+        _this._length = 0;
+        return _this;
+    }
+    Object.defineProperty(CircularList.prototype, "maxLength", {
+        get: function () {
+            return this._array.length;
+        },
+        set: function (newMaxLength) {
+            var newArray = new Array(newMaxLength);
+            for (var i = 0; i < Math.min(newMaxLength, this.length); i++) {
+                newArray[i] = this._array[this._getCyclicIndex(i)];
+            }
+            this._array = newArray;
+            this._startIndex = 0;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(CircularList.prototype, "length", {
+        get: function () {
+            return this._length;
+        },
+        set: function (newLength) {
+            if (newLength > this._length) {
+                for (var i = this._length; i < newLength; i++) {
+                    this._array[i] = undefined;
+                }
+            }
+            this._length = newLength;
+        },
+        enumerable: true,
+        configurable: true
+    });
+    Object.defineProperty(CircularList.prototype, "forEach", {
+        get: function () {
+            var _this = this;
+            return function (callbackfn) {
+                var i = 0;
+                var length = _this.length;
+                for (var i_1 = 0; i_1 < length; i_1++) {
+                    callbackfn(_this.get(i_1), i_1);
+                }
+            };
+        },
+        enumerable: true,
+        configurable: true
+    });
+    CircularList.prototype.get = function (index) {
+        return this._array[this._getCyclicIndex(index)];
+    };
+    CircularList.prototype.set = function (index, value) {
+        this._array[this._getCyclicIndex(index)] = value;
+    };
+    CircularList.prototype.push = function (value) {
+        this._array[this._getCyclicIndex(this._length)] = value;
+        if (this._length === this.maxLength) {
+            this._startIndex++;
+            if (this._startIndex === this.maxLength) {
+                this._startIndex = 0;
+            }
+            this.emit('trim', 1);
+        }
+        else {
+            this._length++;
+        }
+    };
+    CircularList.prototype.pop = function () {
+        return this._array[this._getCyclicIndex(this._length-- - 1)];
+    };
+    CircularList.prototype.splice = function (start, deleteCount) {
+        var items = [];
+        for (var _i = 2; _i < arguments.length; _i++) {
+            items[_i - 2] = arguments[_i];
+        }
+        if (deleteCount) {
+            for (var i = start; i < this._length - deleteCount; i++) {
+                this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];
+            }
+            this._length -= deleteCount;
+        }
+        if (items && items.length) {
+            for (var i = this._length - 1; i >= start; i--) {
+                this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];
+            }
+            for (var i = 0; i < items.length; i++) {
+                this._array[this._getCyclicIndex(start + i)] = items[i];
+            }
+            if (this._length + items.length > this.maxLength) {
+                var countToTrim = (this._length + items.length) - this.maxLength;
+                this._startIndex += countToTrim;
+                this._length = this.maxLength;
+                this.emit('trim', countToTrim);
+            }
+            else {
+                this._length += items.length;
+            }
+        }
+    };
+    CircularList.prototype.trimStart = function (count) {
+        if (count > this._length) {
+            count = this._length;
+        }
+        this._startIndex += count;
+        this._length -= count;
+        this.emit('trim', count);
+    };
+    CircularList.prototype.shiftElements = function (start, count, offset) {
+        if (count <= 0) {
+            return;
+        }
+        if (start < 0 || start >= this._length) {
+            throw new Error('start argument out of range');
+        }
+        if (start + offset < 0) {
+            throw new Error('Cannot shift elements in list beyond index 0');
+        }
+        if (offset > 0) {
+            for (var i = count - 1; i >= 0; i--) {
+                this.set(start + i + offset, this.get(start + i));
+            }
+            var expandListBy = (start + count + offset) - this._length;
+            if (expandListBy > 0) {
+                this._length += expandListBy;
+                while (this._length > this.maxLength) {
+                    this._length--;
+                    this._startIndex++;
+                    this.emit('trim', 1);
+                }
+            }
+        }
+        else {
+            for (var i = 0; i < count; i++) {
+                this.set(start + i + offset, this.get(start + i));
+            }
+        }
+    };
+    CircularList.prototype._getCyclicIndex = function (index) {
+        return (this._startIndex + index) % this.maxLength;
+    };
+    return CircularList;
+}(EventEmitter_1.EventEmitter));
+exports.CircularList = CircularList;
+
+
+
+},{"../EventEmitter":6}],19:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var DomElementObjectPool = (function () {
+    function DomElementObjectPool(type) {
+        this.type = type;
+        this._type = type;
+        this._pool = [];
+        this._inUse = {};
+    }
+    DomElementObjectPool.prototype.acquire = function () {
+        var element;
+        if (this._pool.length === 0) {
+            element = this._createNew();
+        }
+        else {
+            element = this._pool.pop();
+        }
+        this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)] = element;
+        return element;
+    };
+    DomElementObjectPool.prototype.release = function (element) {
+        if (!this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)]) {
+            throw new Error('Could not release an element not yet acquired');
+        }
+        delete this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)];
+        this._cleanElement(element);
+        this._pool.push(element);
+    };
+    DomElementObjectPool.prototype._createNew = function () {
+        var element = document.createElement(this._type);
+        var id = DomElementObjectPool._objectCount++;
+        element.setAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE, id.toString(10));
+        return element;
+    };
+    DomElementObjectPool.prototype._cleanElement = function (element) {
+        element.className = '';
+        element.innerHTML = '';
+    };
+    return DomElementObjectPool;
+}());
+DomElementObjectPool.OBJECT_ID_ATTRIBUTE = 'data-obj-id';
+DomElementObjectPool._objectCount = 0;
+exports.DomElementObjectPool = DomElementObjectPool;
+
+
+
+},{}],20:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function contains(arr, el) {
+    return arr.indexOf(el) >= 0;
+}
+exports.contains = contains;
+;
+
+
+
+},{}],21:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function getCoordsRelativeToElement(event, element) {
+    if (event.pageX == null) {
+        return null;
+    }
+    var x = event.pageX;
+    var y = event.pageY;
+    while (element && element !== self.document.documentElement) {
+        x -= element.offsetLeft;
+        y -= element.offsetTop;
+        element = 'offsetParent' in element ? element.offsetParent : element.parentElement;
+    }
+    return [x, y];
+}
+exports.getCoordsRelativeToElement = getCoordsRelativeToElement;
+function getCoords(event, rowContainer, charMeasure, colCount, rowCount, isSelection) {
+    if (!charMeasure.width || !charMeasure.height) {
+        return null;
+    }
+    var coords = getCoordsRelativeToElement(event, rowContainer);
+    if (!coords) {
+        return null;
+    }
+    coords[0] = Math.ceil((coords[0] + (isSelection ? charMeasure.width / 2 : 0)) / charMeasure.width);
+    coords[1] = Math.ceil(coords[1] / charMeasure.height);
+    coords[0] = Math.min(Math.max(coords[0], 1), colCount + 1);
+    coords[1] = Math.min(Math.max(coords[1], 1), rowCount + 1);
+    return coords;
+}
+exports.getCoords = getCoords;
+function getRawByteCoords(event, rowContainer, charMeasure, colCount, rowCount) {
+    var coords = getCoords(event, rowContainer, charMeasure, colCount, rowCount);
+    var x = coords[0];
+    var y = coords[1];
+    x += 32;
+    y += 32;
+    return { x: x, y: y };
+}
+exports.getRawByteCoords = getRawByteCoords;
+
+
+
+},{}],22:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var BufferSet_1 = require("./BufferSet");
+var CompositionHelper_1 = require("./CompositionHelper");
+var EventEmitter_1 = require("./EventEmitter");
+var Viewport_1 = require("./Viewport");
+var Clipboard_1 = require("./handlers/Clipboard");
+var EscapeSequences_1 = require("./EscapeSequences");
+var InputHandler_1 = require("./InputHandler");
+var Parser_1 = require("./Parser");
+var Renderer_1 = require("./Renderer");
+var Linkifier_1 = require("./Linkifier");
+var SelectionManager_1 = require("./SelectionManager");
+var CharMeasure_1 = require("./utils/CharMeasure");
+var Browser = require("./utils/Browser");
+var Mouse_1 = require("./utils/Mouse");
+var BufferLine_1 = require("./utils/BufferLine");
+var document = (typeof window != 'undefined') ? window.document : null;
+var WRITE_BUFFER_PAUSE_THRESHOLD = 5;
+var WRITE_BATCH_SIZE = 300;
+var CURSOR_BLINK_INTERVAL = 600;
+function Terminal(options) {
+    var self = this;
+    if (!(this instanceof Terminal)) {
+        return new Terminal(arguments[0], arguments[1], arguments[2]);
+    }
+    self.browser = Browser;
+    self.cancel = Terminal.cancel;
+    EventEmitter_1.EventEmitter.call(this);
+    if (typeof options === 'number') {
+        options = {
+            cols: arguments[0],
+            rows: arguments[1],
+            handler: arguments[2]
+        };
+    }
+    options = options || {};
+    Object.keys(Terminal.defaults).forEach(function (key) {
+        if (options[key] == null) {
+            options[key] = Terminal.options[key];
+            if (Terminal[key] !== Terminal.defaults[key]) {
+                options[key] = Terminal[key];
+            }
+        }
+        self[key] = options[key];
+    });
+    if (options.colors.length === 8) {
+        options.colors = options.colors.concat(Terminal._colors.slice(8));
+    }
+    else if (options.colors.length === 16) {
+        options.colors = options.colors.concat(Terminal._colors.slice(16));
+    }
+    else if (options.colors.length === 10) {
+        options.colors = options.colors.slice(0, -2).concat(Terminal._colors.slice(8, -2), options.colors.slice(-2));
+    }
+    else if (options.colors.length === 18) {
+        options.colors = options.colors.concat(Terminal._colors.slice(16, -2), options.colors.slice(-2));
+    }
+    this.colors = options.colors;
+    this.options = options;
+    this.parent = options.body || options.parent || (document ? document.getElementsByTagName('body')[0] : null);
+    this.cols = options.cols || options.geometry[0];
+    this.rows = options.rows || options.geometry[1];
+    this.geometry = [this.cols, this.rows];
+    if (options.handler) {
+        this.on('data', options.handler);
+    }
+    this.cursorState = 0;
+    this.cursorHidden = false;
+    this.convertEol;
+    this.queue = '';
+    this.customKeyEventHandler = null;
+    this.cursorBlinkInterval = null;
+    this.applicationKeypad = false;
+    this.applicationCursor = false;
+    this.originMode = false;
+    this.insertMode = false;
+    this.wraparoundMode = true;
+    this.charset = null;
+    this.gcharset = null;
+    this.glevel = 0;
+    this.charsets = [null];
+    this.decLocator;
+    this.x10Mouse;
+    this.vt200Mouse;
+    this.vt300Mouse;
+    this.normalMouse;
+    this.mouseEvents;
+    this.sendFocus;
+    this.utfMouse;
+    this.sgrMouse;
+    this.urxvtMouse;
+    this.element;
+    this.children;
+    this.refreshStart;
+    this.refreshEnd;
+    this.savedX;
+    this.savedY;
+    this.savedCols;
+    this.readable = true;
+    this.writable = true;
+    this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);
+    this.curAttr = this.defAttr;
+    this.params = [];
+    this.currentParam = 0;
+    this.prefix = '';
+    this.postfix = '';
+    this.inputHandler = new InputHandler_1.InputHandler(this);
+    this.parser = new Parser_1.Parser(this.inputHandler, this);
+    this.renderer = this.renderer || null;
+    this.selectionManager = this.selectionManager || null;
+    this.linkifier = this.linkifier || new Linkifier_1.Linkifier();
+    this.writeBuffer = [];
+    this.writeInProgress = false;
+    this.xoffSentToCatchUp = false;
+    this.writeStopped = false;
+    this.surrogate_high = '';
+    this.buffers = new BufferSet_1.BufferSet(this);
+    this.buffer = this.buffers.active;
+    this.buffers.on('activate', function (buffer) {
+        this._terminal.buffer = buffer;
+    });
+    if (this.selectionManager) {
+        this.selectionManager.setBuffer(this.buffer.lines);
+    }
+    this.setupStops();
+    this.userScrolling = false;
+}
+inherits(Terminal, EventEmitter_1.EventEmitter);
+Terminal.prototype.eraseAttr = function () {
+    return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);
+};
+Terminal.tangoColors = [
+    '#2e3436',
+    '#cc0000',
+    '#4e9a06',
+    '#c4a000',
+    '#3465a4',
+    '#75507b',
+    '#06989a',
+    '#d3d7cf',
+    '#555753',
+    '#ef2929',
+    '#8ae234',
+    '#fce94f',
+    '#729fcf',
+    '#ad7fa8',
+    '#34e2e2',
+    '#eeeeec'
+];
+Terminal.colors = (function () {
+    var colors = Terminal.tangoColors.slice(), r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff], i;
+    i = 0;
+    for (; i < 216; i++) {
+        out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);
+    }
+    i = 0;
+    for (; i < 24; i++) {
+        r = 8 + i * 10;
+        out(r, r, r);
+    }
+    function out(r, g, b) {
+        colors.push('#' + hex(r) + hex(g) + hex(b));
+    }
+    function hex(c) {
+        c = c.toString(16);
+        return c.length < 2 ? '0' + c : c;
+    }
+    return colors;
+})();
+Terminal._colors = Terminal.colors.slice();
+Terminal.vcolors = (function () {
+    var out = [], colors = Terminal.colors, i = 0, color;
+    for (; i < 256; i++) {
+        color = parseInt(colors[i].substring(1), 16);
+        out.push([
+            (color >> 16) & 0xff,
+            (color >> 8) & 0xff,
+            color & 0xff
+        ]);
+    }
+    return out;
+})();
+Terminal.defaults = {
+    colors: Terminal.colors,
+    theme: 'default',
+    convertEol: false,
+    termName: 'xterm',
+    geometry: [80, 24],
+    cursorBlink: false,
+    cursorStyle: 'block',
+    visualBell: false,
+    popOnBell: false,
+    scrollback: 1000,
+    screenKeys: false,
+    debug: false,
+    cancelEvents: false,
+    disableStdin: false,
+    useFlowControl: false,
+    tabStopWidth: 8
+};
+Terminal.options = {};
+Terminal.focus = null;
+each(keys(Terminal.defaults), function (key) {
+    Terminal[key] = Terminal.defaults[key];
+    Terminal.options[key] = Terminal.defaults[key];
+});
+Terminal.prototype.focus = function () {
+    return this.textarea.focus();
+};
+Terminal.prototype.getOption = function (key) {
+    if (!(key in Terminal.defaults)) {
+        throw new Error('No option with key "' + key + '"');
+    }
+    if (typeof this.options[key] !== 'undefined') {
+        return this.options[key];
+    }
+    return this[key];
+};
+Terminal.prototype.setOption = function (key, value) {
+    if (!(key in Terminal.defaults)) {
+        throw new Error('No option with key "' + key + '"');
+    }
+    switch (key) {
+        case 'scrollback':
+            if (value < this.rows) {
+                var msg = 'Setting the scrollback value less than the number of rows ';
+                msg += "(" + this.rows + ") is not allowed.";
+                console.warn(msg);
+                return false;
+            }
+            if (this.options[key] !== value) {
+                if (this.buffer.lines.length > value) {
+                    var amountToTrim = this.buffer.lines.length - value;
+                    var needsRefresh = (this.buffer.ydisp - amountToTrim < 0);
+                    this.buffer.lines.trimStart(amountToTrim);
+                    this.buffer.ybase = Math.max(this.buffer.ybase - amountToTrim, 0);
+                    this.buffer.ydisp = Math.max(this.buffer.ydisp - amountToTrim, 0);
+                    if (needsRefresh) {
+                        this.refresh(0, this.rows - 1);
+                    }
+                }
+                this.buffer.lines.maxLength = value;
+                this.viewport.syncScrollArea();
+            }
+            break;
+    }
+    this[key] = value;
+    this.options[key] = value;
+    switch (key) {
+        case 'cursorBlink':
+            this.setCursorBlinking(value);
+            break;
+        case 'cursorStyle':
+            this.element.classList.toggle("xterm-cursor-style-block", value === 'block');
+            this.element.classList.toggle("xterm-cursor-style-underline", value === 'underline');
+            this.element.classList.toggle("xterm-cursor-style-bar", value === 'bar');
+            break;
+        case 'tabStopWidth':
+            this.setupStops();
+            break;
+    }
+};
+Terminal.prototype.restartCursorBlinking = function () {
+    this.setCursorBlinking(this.options.cursorBlink);
+};
+Terminal.prototype.setCursorBlinking = function (enabled) {
+    this.element.classList.toggle('xterm-cursor-blink', enabled);
+    this.clearCursorBlinkingInterval();
+    if (enabled) {
+        var self = this;
+        this.cursorBlinkInterval = setInterval(function () {
+            self.element.classList.toggle('xterm-cursor-blink-on');
+        }, CURSOR_BLINK_INTERVAL);
+    }
+};
+Terminal.prototype.clearCursorBlinkingInterval = function () {
+    this.element.classList.remove('xterm-cursor-blink-on');
+    if (this.cursorBlinkInterval) {
+        clearInterval(this.cursorBlinkInterval);
+        this.cursorBlinkInterval = null;
+    }
+};
+Terminal.bindFocus = function (term) {
+    on(term.textarea, 'focus', function (ev) {
+        if (term.sendFocus) {
+            term.send(EscapeSequences_1.C0.ESC + '[I');
+        }
+        term.element.classList.add('focus');
+        term.showCursor();
+        term.restartCursorBlinking.apply(term);
+        Terminal.focus = term;
+        term.emit('focus', { terminal: term });
+    });
+};
+Terminal.prototype.blur = function () {
+    return this.textarea.blur();
+};
+Terminal.bindBlur = function (term) {
+    on(term.textarea, 'blur', function (ev) {
+        term.refresh(term.buffer.y, term.buffer.y);
+        if (term.sendFocus) {
+            term.send(EscapeSequences_1.C0.ESC + '[O');
+        }
+        term.element.classList.remove('focus');
+        term.clearCursorBlinkingInterval.apply(term);
+        Terminal.focus = null;
+        term.emit('blur', { terminal: term });
+    });
+};
+Terminal.prototype.initGlobal = function () {
+    var _this = this;
+    var term = this;
+    Terminal.bindKeys(this);
+    Terminal.bindFocus(this);
+    Terminal.bindBlur(this);
+    on(this.element, 'copy', function (event) {
+        if (!term.hasSelection()) {
+            return;
+        }
+        Clipboard_1.copyHandler(event, term, _this.selectionManager);
+    });
+    var pasteHandlerWrapper = function (event) { return Clipboard_1.pasteHandler(event, term); };
+    on(this.textarea, 'paste', pasteHandlerWrapper);
+    on(this.element, 'paste', pasteHandlerWrapper);
+    if (term.browser.isFirefox) {
+        on(this.element, 'mousedown', function (event) {
+            if (event.button == 2) {
+                Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager);
+            }
+        });
+    }
+    else {
+        on(this.element, 'contextmenu', function (event) {
+            Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager);
+        });
+    }
+    if (term.browser.isLinux) {
+        on(this.element, 'auxclick', function (event) {
+            if (event.button === 1) {
+                Clipboard_1.moveTextAreaUnderMouseCursor(event, _this.textarea, _this.selectionManager);
+            }
+        });
+    }
+};
+Terminal.bindKeys = function (term) {
+    on(term.element, 'keydown', function (ev) {
+        if (document.activeElement != this) {
+            return;
+        }
+        term.keyDown(ev);
+    }, true);
+    on(term.element, 'keypress', function (ev) {
+        if (document.activeElement != this) {
+            return;
+        }
+        term.keyPress(ev);
+    }, true);
+    on(term.element, 'keyup', function (ev) {
+        if (!wasMondifierKeyOnlyEvent(ev)) {
+            term.focus(term);
+        }
+    }, true);
+    on(term.textarea, 'keydown', function (ev) {
+        term.keyDown(ev);
+    }, true);
+    on(term.textarea, 'keypress', function (ev) {
+        term.keyPress(ev);
+        this.value = '';
+    }, true);
+    on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));
+    on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));
+    on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));
+    term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));
+    term.on('refresh', function (data) {
+        term.queueLinkification(data.start, data.end);
+    });
+};
+Terminal.prototype.insertRow = function (row) {
+    if (typeof row != 'object') {
+        row = document.createElement('div');
+    }
+    this.rowContainer.appendChild(row);
+    this.children.push(row);
+    return row;
+};
+Terminal.prototype.open = function (parent, focus) {
+    var _this = this;
+    var self = this, i = 0, div;
+    this.parent = parent || this.parent;
+    if (!this.parent) {
+        throw new Error('Terminal requires a parent element.');
+    }
+    this.context = this.parent.ownerDocument.defaultView;
+    this.document = this.parent.ownerDocument;
+    this.body = this.document.getElementsByTagName('body')[0];
+    this.element = this.document.createElement('div');
+    this.element.classList.add('terminal');
+    this.element.classList.add('xterm');
+    this.element.classList.add('xterm-theme-' + this.theme);
+    this.element.classList.add("xterm-cursor-style-" + this.options.cursorStyle);
+    this.setCursorBlinking(this.options.cursorBlink);
+    this.element.setAttribute('tabindex', 0);
+    this.viewportElement = document.createElement('div');
+    this.viewportElement.classList.add('xterm-viewport');
+    this.element.appendChild(this.viewportElement);
+    this.viewportScrollArea = document.createElement('div');
+    this.viewportScrollArea.classList.add('xterm-scroll-area');
+    this.viewportElement.appendChild(this.viewportScrollArea);
+    this.selectionContainer = document.createElement('div');
+    this.selectionContainer.classList.add('xterm-selection');
+    this.element.appendChild(this.selectionContainer);
+    this.rowContainer = document.createElement('div');
+    this.rowContainer.classList.add('xterm-rows');
+    this.element.appendChild(this.rowContainer);
+    this.children = [];
+    this.linkifier.attachToDom(document, this.children);
+    this.helperContainer = document.createElement('div');
+    this.helperContainer.classList.add('xterm-helpers');
+    this.element.appendChild(this.helperContainer);
+    this.textarea = document.createElement('textarea');
+    this.textarea.classList.add('xterm-helper-textarea');
+    this.textarea.setAttribute('autocorrect', 'off');
+    this.textarea.setAttribute('autocapitalize', 'off');
+    this.textarea.setAttribute('spellcheck', 'false');
+    this.textarea.tabIndex = 0;
+    this.textarea.addEventListener('focus', function () {
+        self.emit('focus', { terminal: self });
+    });
+    this.textarea.addEventListener('blur', function () {
+        self.emit('blur', { terminal: self });
+    });
+    this.helperContainer.appendChild(this.textarea);
+    this.compositionView = document.createElement('div');
+    this.compositionView.classList.add('composition-view');
+    this.compositionHelper = new CompositionHelper_1.CompositionHelper(this.textarea, this.compositionView, this);
+    this.helperContainer.appendChild(this.compositionView);
+    this.charSizeStyleElement = document.createElement('style');
+    this.helperContainer.appendChild(this.charSizeStyleElement);
+    for (; i < this.rows; i++) {
+        this.insertRow();
+    }
+    this.parent.appendChild(this.element);
+    this.charMeasure = new CharMeasure_1.CharMeasure(document, this.helperContainer);
+    this.charMeasure.on('charsizechanged', function () {
+        self.updateCharSizeStyles();
+    });
+    this.charMeasure.measure();
+    this.viewport = new Viewport_1.Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);
+    this.renderer = new Renderer_1.Renderer(this);
+    this.selectionManager = new SelectionManager_1.SelectionManager(this, this.buffer.lines, this.rowContainer, this.charMeasure);
+    this.selectionManager.on('refresh', function (data) {
+        _this.renderer.refreshSelection(data.start, data.end);
+    });
+    this.selectionManager.on('newselection', function (text) {
+        _this.textarea.value = text;
+        _this.textarea.focus();
+        _this.textarea.select();
+    });
+    this.on('scroll', function () { return _this.selectionManager.refresh(); });
+    this.viewportElement.addEventListener('scroll', function () { return _this.selectionManager.refresh(); });
+    this.refresh(0, this.rows - 1);
+    this.initGlobal();
+    if (typeof focus == 'undefined') {
+        var message = 'You did not pass the `focus` argument in `Terminal.prototype.open()`.\n';
+        message += 'The `focus` argument now defaults to `true` but starting with xterm.js 3.0 ';
+        message += 'it will default to `false`.';
+        console.warn(message);
+        focus = true;
+    }
+    if (focus) {
+        this.focus();
+    }
+    this.bindMouse();
+    this.emit('open');
+};
+Terminal.loadAddon = function (addon, callback) {
+    if (typeof exports === 'object' && typeof module === 'object') {
+        return require('./addons/' + addon + '/' + addon);
+    }
+    else if (typeof define == 'function') {
+        return require(['./addons/' + addon + '/' + addon], callback);
+    }
+    else {
+        console.error('Cannot load a module without a CommonJS or RequireJS environment.');
+        return false;
+    }
+};
+Terminal.prototype.updateCharSizeStyles = function () {
+    this.charSizeStyleElement.textContent =
+        ".xterm-wide-char{width:" + this.charMeasure.width * 2 + "px;}" +
+            (".xterm-normal-char{width:" + this.charMeasure.width + "px;}") +
+            (".xterm-rows > div{height:" + this.charMeasure.height + "px;}");
+};
+Terminal.prototype.bindMouse = function () {
+    var el = this.element, self = this, pressed = 32;
+    function sendButton(ev) {
+        var button, pos;
+        button = getButton(ev);
+        pos = Mouse_1.getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);
+        if (!pos)
+            return;
+        sendEvent(button, pos);
+        switch (ev.overrideType || ev.type) {
+            case 'mousedown':
+                pressed = button;
+                break;
+            case 'mouseup':
+                pressed = 32;
+                break;
+            case 'wheel':
+                break;
+        }
+    }
+    function sendMove(ev) {
+        var button = pressed, pos;
+        pos = Mouse_1.getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);
+        if (!pos)
+            return;
+        button += 32;
+        sendEvent(button, pos);
+    }
+    function encode(data, ch) {
+        if (!self.utfMouse) {
+            if (ch === 255)
+                return data.push(0);
+            if (ch > 127)
+                ch = 127;
+            data.push(ch);
+        }
+        else {
+            if (ch === 2047)
+                return data.push(0);
+            if (ch < 127) {
+                data.push(ch);
+            }
+            else {
+                if (ch > 2047)
+                    ch = 2047;
+                data.push(0xC0 | (ch >> 6));
+                data.push(0x80 | (ch & 0x3F));
+            }
+        }
+    }
+    function sendEvent(button, pos) {
+        if (self.vt300Mouse) {
+            button &= 3;
+            pos.x -= 32;
+            pos.y -= 32;
+            var data = EscapeSequences_1.C0.ESC + '[24';
+            if (button === 0)
+                data += '1';
+            else if (button === 1)
+                data += '3';
+            else if (button === 2)
+                data += '5';
+            else if (button === 3)
+                return;
+            else
+                data += '0';
+            data += '~[' + pos.x + ',' + pos.y + ']\r';
+            self.send(data);
+            return;
+        }
+        if (self.decLocator) {
+            button &= 3;
+            pos.x -= 32;
+            pos.y -= 32;
+            if (button === 0)
+                button = 2;
+            else if (button === 1)
+                button = 4;
+            else if (button === 2)
+                button = 6;
+            else if (button === 3)
+                button = 3;
+            self.send(EscapeSequences_1.C0.ESC + '['
+                + button
+                + ';'
+                + (button === 3 ? 4 : 0)
+                + ';'
+                + pos.y
+                + ';'
+                + pos.x
+                + ';'
+                + (pos.page || 0)
+                + '&w');
+            return;
+        }
+        if (self.urxvtMouse) {
+            pos.x -= 32;
+            pos.y -= 32;
+            pos.x++;
+            pos.y++;
+            self.send(EscapeSequences_1.C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');
+            return;
+        }
+        if (self.sgrMouse) {
+            pos.x -= 32;
+            pos.y -= 32;
+            self.send(EscapeSequences_1.C0.ESC + '[<'
+                + (((button & 3) === 3 ? button & ~3 : button) - 32)
+                + ';'
+                + pos.x
+                + ';'
+                + pos.y
+                + ((button & 3) === 3 ? 'm' : 'M'));
+            return;
+        }
+        var data = [];
+        encode(data, button);
+        encode(data, pos.x);
+        encode(data, pos.y);
+        self.send(EscapeSequences_1.C0.ESC + '[M' + String.fromCharCode.apply(String, data));
+    }
+    function getButton(ev) {
+        var button, shift, meta, ctrl, mod;
+        switch (ev.overrideType || ev.type) {
+            case 'mousedown':
+                button = ev.button != null
+                    ? +ev.button
+                    : ev.which != null
+                        ? ev.which - 1
+                        : null;
+                if (self.browser.isMSIE) {
+                    button = button === 1 ? 0 : button === 4 ? 1 : button;
+                }
+                break;
+            case 'mouseup':
+                button = 3;
+                break;
+            case 'DOMMouseScroll':
+                button = ev.detail < 0
+                    ? 64
+                    : 65;
+                break;
+            case 'wheel':
+                button = ev.wheelDeltaY > 0
+                    ? 64
+                    : 65;
+                break;
+        }
+        shift = ev.shiftKey ? 4 : 0;
+        meta = ev.metaKey ? 8 : 0;
+        ctrl = ev.ctrlKey ? 16 : 0;
+        mod = shift | meta | ctrl;
+        if (self.vt200Mouse) {
+            mod &= ctrl;
+        }
+        else if (!self.normalMouse) {
+            mod = 0;
+        }
+        button = (32 + (mod << 2)) + button;
+        return button;
+    }
+    on(el, 'mousedown', function (ev) {
+        ev.preventDefault();
+        self.focus();
+        if (!self.mouseEvents)
+            return;
+        sendButton(ev);
+        if (self.vt200Mouse) {
+            ev.overrideType = 'mouseup';
+            sendButton(ev);
+            return self.cancel(ev);
+        }
+        if (self.normalMouse)
+            on(self.document, 'mousemove', sendMove);
+        if (!self.x10Mouse) {
+            on(self.document, 'mouseup', function up(ev) {
+                sendButton(ev);
+                if (self.normalMouse)
+                    off(self.document, 'mousemove', sendMove);
+                off(self.document, 'mouseup', up);
+                return self.cancel(ev);
+            });
+        }
+        return self.cancel(ev);
+    });
+    on(el, 'wheel', function (ev) {
+        if (!self.mouseEvents)
+            return;
+        if (self.x10Mouse
+            || self.vt300Mouse
+            || self.decLocator)
+            return;
+        sendButton(ev);
+        return self.cancel(ev);
+    });
+    on(el, 'wheel', function (ev) {
+        if (self.mouseEvents)
+            return;
+        self.viewport.onWheel(ev);
+        return self.cancel(ev);
+    });
+    on(el, 'touchstart', function (ev) {
+        if (self.mouseEvents)
+            return;
+        self.viewport.onTouchStart(ev);
+        return self.cancel(ev);
+    });
+    on(el, 'touchmove', function (ev) {
+        if (self.mouseEvents)
+            return;
+        self.viewport.onTouchMove(ev);
+        return self.cancel(ev);
+    });
+};
+Terminal.prototype.destroy = function () {
+    this.readable = false;
+    this.writable = false;
+    this._events = {};
+    this.handler = function () { };
+    this.write = function () { };
+    if (this.element && this.element.parentNode) {
+        this.element.parentNode.removeChild(this.element);
+    }
+};
+Terminal.prototype.refresh = function (start, end) {
+    if (this.renderer) {
+        this.renderer.queueRefresh(start, end);
+    }
+};
+Terminal.prototype.queueLinkification = function (start, end) {
+    if (this.linkifier) {
+        for (var i = start; i <= end; i++) {
+            this.linkifier.linkifyRow(i);
+        }
+    }
+};
+Terminal.prototype.showCursor = function () {
+    if (!this.cursorState) {
+        this.cursorState = 1;
+        this.refresh(this.buffer.y, this.buffer.y);
+    }
+};
+Terminal.prototype.scroll = function (isWrapped) {
+    var row;
+    if (this.buffer.lines.length === this.buffer.lines.maxLength) {
+        this.buffer.lines.trimStart(1);
+        this.buffer.ybase--;
+        if (this.buffer.ydisp !== 0) {
+            this.buffer.ydisp--;
+        }
+    }
+    this.buffer.ybase++;
+    if (!this.userScrolling) {
+        this.buffer.ydisp = this.buffer.ybase;
+    }
+    row = this.buffer.ybase + this.rows - 1;
+    row -= this.rows - 1 - this.buffer.scrollBottom;
+    if (row === this.buffer.lines.length) {
+        this.buffer.lines.push(this.blankLine(undefined, isWrapped));
+    }
+    else {
+        this.buffer.lines.splice(row, 0, this.blankLine(undefined, isWrapped));
+    }
+    if (this.buffer.scrollTop !== 0) {
+        if (this.buffer.ybase !== 0) {
+            this.buffer.ybase--;
+            if (!this.userScrolling) {
+                this.buffer.ydisp = this.buffer.ybase;
+            }
+        }
+        this.buffer.lines.splice(this.buffer.ybase + this.buffer.scrollTop, 1);
+    }
+    this.updateRange(this.buffer.scrollTop);
+    this.updateRange(this.buffer.scrollBottom);
+    this.emit('scroll', this.buffer.ydisp);
+};
+Terminal.prototype.scrollDisp = function (disp, suppressScrollEvent) {
+    if (disp < 0) {
+        if (this.buffer.ydisp === 0) {
+            return;
+        }
+        this.userScrolling = true;
+    }
+    else if (disp + this.buffer.ydisp >= this.buffer.ybase) {
+        this.userScrolling = false;
+    }
+    var oldYdisp = this.buffer.ydisp;
+    this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);
+    if (oldYdisp === this.buffer.ydisp) {
+        return;
+    }
+    if (!suppressScrollEvent) {
+        this.emit('scroll', this.buffer.ydisp);
+    }
+    this.refresh(0, this.rows - 1);
+};
+Terminal.prototype.scrollPages = function (pageCount) {
+    this.scrollDisp(pageCount * (this.rows - 1));
+};
+Terminal.prototype.scrollToTop = function () {
+    this.scrollDisp(-this.buffer.ydisp);
+};
+Terminal.prototype.scrollToBottom = function () {
+    this.scrollDisp(this.buffer.ybase - this.buffer.ydisp);
+};
+Terminal.prototype.write = function (data) {
+    this.writeBuffer.push(data);
+    if (this.options.useFlowControl && !this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {
+        this.send(EscapeSequences_1.C0.DC3);
+        this.xoffSentToCatchUp = true;
+    }
+    if (!this.writeInProgress && this.writeBuffer.length > 0) {
+        this.writeInProgress = true;
+        var self = this;
+        setTimeout(function () {
+            self.innerWrite();
+        });
+    }
+};
+Terminal.prototype.innerWrite = function () {
+    var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);
+    while (writeBatch.length > 0) {
+        var data = writeBatch.shift();
+        var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;
+        if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {
+            this.send(EscapeSequences_1.C0.DC1);
+            this.xoffSentToCatchUp = false;
+        }
+        this.refreshStart = this.buffer.y;
+        this.refreshEnd = this.buffer.y;
+        var state = this.parser.parse(data);
+        this.parser.setState(state);
+        this.updateRange(this.buffer.y);
+        this.refresh(this.refreshStart, this.refreshEnd);
+    }
+    if (this.writeBuffer.length > 0) {
+        var self = this;
+        setTimeout(function () {
+            self.innerWrite();
+        }, 0);
+    }
+    else {
+        this.writeInProgress = false;
+    }
+};
+Terminal.prototype.writeln = function (data) {
+    this.write(data + '\r\n');
+};
+Terminal.prototype.attachCustomKeydownHandler = function (customKeydownHandler) {
+    var message = 'attachCustomKeydownHandler() is DEPRECATED and will be removed soon. Please use attachCustomKeyEventHandler() instead.';
+    console.warn(message);
+    this.attachCustomKeyEventHandler(customKeydownHandler);
+};
+Terminal.prototype.attachCustomKeyEventHandler = function (customKeyEventHandler) {
+    this.customKeyEventHandler = customKeyEventHandler;
+};
+Terminal.prototype.setHypertextLinkHandler = function (handler) {
+    if (!this.linkifier) {
+        throw new Error('Cannot attach a hypertext link handler before Terminal.open is called');
+    }
+    this.linkifier.setHypertextLinkHandler(handler);
+    this.refresh(0, this.rows - 1);
+};
+Terminal.prototype.setHypertextValidationCallback = function (callback) {
+    if (!this.linkifier) {
+        throw new Error('Cannot attach a hypertext validation callback before Terminal.open is called');
+    }
+    this.linkifier.setHypertextValidationCallback(callback);
+    this.refresh(0, this.rows - 1);
+};
+Terminal.prototype.registerLinkMatcher = function (regex, handler, options) {
+    if (this.linkifier) {
+        var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);
+        this.refresh(0, this.rows - 1);
+        return matcherId;
+    }
+};
+Terminal.prototype.deregisterLinkMatcher = function (matcherId) {
+    if (this.linkifier) {
+        if (this.linkifier.deregisterLinkMatcher(matcherId)) {
+            this.refresh(0, this.rows - 1);
+        }
+    }
+};
+Terminal.prototype.hasSelection = function () {
+    return this.selectionManager ? this.selectionManager.hasSelection : false;
+};
+Terminal.prototype.getSelection = function () {
+    return this.selectionManager ? this.selectionManager.selectionText : '';
+};
+Terminal.prototype.clearSelection = function () {
+    if (this.selectionManager) {
+        this.selectionManager.clearSelection();
+    }
+};
+Terminal.prototype.selectAll = function () {
+    if (this.selectionManager) {
+        this.selectionManager.selectAll();
+    }
+};
+Terminal.prototype.keyDown = function (ev) {
+    if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {
+        return false;
+    }
+    this.restartCursorBlinking();
+    if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {
+        if (this.buffer.ybase !== this.buffer.ydisp) {
+            this.scrollToBottom();
+        }
+        return false;
+    }
+    var self = this;
+    var result = this.evaluateKeyEscapeSequence(ev);
+    if (result.key === EscapeSequences_1.C0.DC3) {
+        this.writeStopped = true;
+    }
+    else if (result.key === EscapeSequences_1.C0.DC1) {
+        this.writeStopped = false;
+    }
+    if (result.scrollDisp) {
+        this.scrollDisp(result.scrollDisp);
+        return this.cancel(ev, true);
+    }
+    if (isThirdLevelShift(this, ev)) {
+        return true;
+    }
+    if (result.cancel) {
+        this.cancel(ev, true);
+    }
+    if (!result.key) {
+        return true;
+    }
+    this.emit('keydown', ev);
+    this.emit('key', result.key, ev);
+    this.showCursor();
+    this.handler(result.key);
+    return this.cancel(ev, true);
+};
+Terminal.prototype.evaluateKeyEscapeSequence = function (ev) {
+    var result = {
+        cancel: false,
+        key: undefined,
+        scrollDisp: undefined
+    };
+    var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;
+    switch (ev.keyCode) {
+        case 8:
+            if (ev.shiftKey) {
+                result.key = EscapeSequences_1.C0.BS;
+                break;
+            }
+            result.key = EscapeSequences_1.C0.DEL;
+            break;
+        case 9:
+            if (ev.shiftKey) {
+                result.key = EscapeSequences_1.C0.ESC + '[Z';
+                break;
+            }
+            result.key = EscapeSequences_1.C0.HT;
+            result.cancel = true;
+            break;
+        case 13:
+            result.key = EscapeSequences_1.C0.CR;
+            result.cancel = true;
+            break;
+        case 27:
+            result.key = EscapeSequences_1.C0.ESC;
+            result.cancel = true;
+            break;
+        case 37:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'D';
+                if (result.key == EscapeSequences_1.C0.ESC + '[1;3D') {
+                    result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'b' : EscapeSequences_1.C0.ESC + '[1;5D';
+                }
+            }
+            else if (this.applicationCursor) {
+                result.key = EscapeSequences_1.C0.ESC + 'OD';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[D';
+            }
+            break;
+        case 39:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'C';
+                if (result.key == EscapeSequences_1.C0.ESC + '[1;3C') {
+                    result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'f' : EscapeSequences_1.C0.ESC + '[1;5C';
+                }
+            }
+            else if (this.applicationCursor) {
+                result.key = EscapeSequences_1.C0.ESC + 'OC';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[C';
+            }
+            break;
+        case 38:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'A';
+                if (result.key == EscapeSequences_1.C0.ESC + '[1;3A') {
+                    result.key = EscapeSequences_1.C0.ESC + '[1;5A';
+                }
+            }
+            else if (this.applicationCursor) {
+                result.key = EscapeSequences_1.C0.ESC + 'OA';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[A';
+            }
+            break;
+        case 40:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'B';
+                if (result.key == EscapeSequences_1.C0.ESC + '[1;3B') {
+                    result.key = EscapeSequences_1.C0.ESC + '[1;5B';
+                }
+            }
+            else if (this.applicationCursor) {
+                result.key = EscapeSequences_1.C0.ESC + 'OB';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[B';
+            }
+            break;
+        case 45:
+            if (!ev.shiftKey && !ev.ctrlKey) {
+                result.key = EscapeSequences_1.C0.ESC + '[2~';
+            }
+            break;
+        case 46:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[3;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[3~';
+            }
+            break;
+        case 36:
+            if (modifiers)
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'H';
+            else if (this.applicationCursor)
+                result.key = EscapeSequences_1.C0.ESC + 'OH';
+            else
+                result.key = EscapeSequences_1.C0.ESC + '[H';
+            break;
+        case 35:
+            if (modifiers)
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'F';
+            else if (this.applicationCursor)
+                result.key = EscapeSequences_1.C0.ESC + 'OF';
+            else
+                result.key = EscapeSequences_1.C0.ESC + '[F';
+            break;
+        case 33:
+            if (ev.shiftKey) {
+                result.scrollDisp = -(this.rows - 1);
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[5~';
+            }
+            break;
+        case 34:
+            if (ev.shiftKey) {
+                result.scrollDisp = this.rows - 1;
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[6~';
+            }
+            break;
+        case 112:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'P';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OP';
+            }
+            break;
+        case 113:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'Q';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OQ';
+            }
+            break;
+        case 114:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'R';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OR';
+            }
+            break;
+        case 115:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'S';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + 'OS';
+            }
+            break;
+        case 116:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[15;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[15~';
+            }
+            break;
+        case 117:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[17;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[17~';
+            }
+            break;
+        case 118:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[18;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[18~';
+            }
+            break;
+        case 119:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[19;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[19~';
+            }
+            break;
+        case 120:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[20;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[20~';
+            }
+            break;
+        case 121:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[21;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[21~';
+            }
+            break;
+        case 122:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[23;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[23~';
+            }
+            break;
+        case 123:
+            if (modifiers) {
+                result.key = EscapeSequences_1.C0.ESC + '[24;' + (modifiers + 1) + '~';
+            }
+            else {
+                result.key = EscapeSequences_1.C0.ESC + '[24~';
+            }
+            break;
+        default:
+            if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {
+                if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+                    result.key = String.fromCharCode(ev.keyCode - 64);
+                }
+                else if (ev.keyCode === 32) {
+                    result.key = String.fromCharCode(0);
+                }
+                else if (ev.keyCode >= 51 && ev.keyCode <= 55) {
+                    result.key = String.fromCharCode(ev.keyCode - 51 + 27);
+                }
+                else if (ev.keyCode === 56) {
+                    result.key = String.fromCharCode(127);
+                }
+                else if (ev.keyCode === 219) {
+                    result.key = String.fromCharCode(27);
+                }
+                else if (ev.keyCode === 220) {
+                    result.key = String.fromCharCode(28);
+                }
+                else if (ev.keyCode === 221) {
+                    result.key = String.fromCharCode(29);
+                }
+            }
+            else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {
+                if (ev.keyCode >= 65 && ev.keyCode <= 90) {
+                    result.key = EscapeSequences_1.C0.ESC + String.fromCharCode(ev.keyCode + 32);
+                }
+                else if (ev.keyCode === 192) {
+                    result.key = EscapeSequences_1.C0.ESC + '`';
+                }
+                else if (ev.keyCode >= 48 && ev.keyCode <= 57) {
+                    result.key = EscapeSequences_1.C0.ESC + (ev.keyCode - 48);
+                }
+            }
+            else if (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {
+                if (ev.keyCode === 65) {
+                    this.selectAll();
+                }
+            }
+            break;
+    }
+    return result;
+};
+Terminal.prototype.setgLevel = function (g) {
+    this.glevel = g;
+    this.charset = this.charsets[g];
+};
+Terminal.prototype.setgCharset = function (g, charset) {
+    this.charsets[g] = charset;
+    if (this.glevel === g) {
+        this.charset = charset;
+    }
+};
+Terminal.prototype.keyPress = function (ev) {
+    var key;
+    if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {
+        return false;
+    }
+    this.cancel(ev);
+    if (ev.charCode) {
+        key = ev.charCode;
+    }
+    else if (ev.which == null) {
+        key = ev.keyCode;
+    }
+    else if (ev.which !== 0 && ev.charCode !== 0) {
+        key = ev.which;
+    }
+    else {
+        return false;
+    }
+    if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev))) {
+        return false;
+    }
+    key = String.fromCharCode(key);
+    this.emit('keypress', key, ev);
+    this.emit('key', key, ev);
+    this.showCursor();
+    this.handler(key);
+    return true;
+};
+Terminal.prototype.send = function (data) {
+    var self = this;
+    if (!this.queue) {
+        setTimeout(function () {
+            self.handler(self.queue);
+            self.queue = '';
+        }, 1);
+    }
+    this.queue += data;
+};
+Terminal.prototype.bell = function () {
+    if (!this.visualBell)
+        return;
+    var self = this;
+    this.element.style.borderColor = 'white';
+    setTimeout(function () {
+        self.element.style.borderColor = '';
+    }, 10);
+    if (this.popOnBell)
+        this.focus();
+};
+Terminal.prototype.log = function () {
+    if (!this.debug)
+        return;
+    if (!this.context.console || !this.context.console.log)
+        return;
+    var args = Array.prototype.slice.call(arguments);
+    this.context.console.log.apply(this.context.console, args);
+};
+Terminal.prototype.error = function () {
+    if (!this.debug)
+        return;
+    if (!this.context.console || !this.context.console.error)
+        return;
+    var args = Array.prototype.slice.call(arguments);
+    this.context.console.error.apply(this.context.console, args);
+};
+Terminal.prototype.resize = function (x, y) {
+    if (isNaN(x) || isNaN(y)) {
+        return;
+    }
+    if (y > this.getOption('scrollback')) {
+        this.setOption('scrollback', y);
+    }
+    var line, el, i, j, ch, addToY;
+    if (x === this.cols && y === this.rows) {
+        if (!this.charMeasure.width || !this.charMeasure.height) {
+            this.charMeasure.measure();
+        }
+        return;
+    }
+    if (x < 1)
+        x = 1;
+    if (y < 1)
+        y = 1;
+    this.buffers.resize(x, y);
+    while (this.children.length < y) {
+        this.insertRow();
+    }
+    while (this.children.length > y) {
+        el = this.children.shift();
+        if (!el)
+            continue;
+        el.parentNode.removeChild(el);
+    }
+    this.cols = x;
+    this.rows = y;
+    this.setupStops(this.cols);
+    this.charMeasure.measure();
+    this.refresh(0, this.rows - 1);
+    this.geometry = [this.cols, this.rows];
+    this.emit('resize', { terminal: this, cols: x, rows: y });
+};
+Terminal.prototype.updateRange = function (y) {
+    if (y < this.refreshStart)
+        this.refreshStart = y;
+    if (y > this.refreshEnd)
+        this.refreshEnd = y;
+};
+Terminal.prototype.maxRange = function () {
+    this.refreshStart = 0;
+    this.refreshEnd = this.rows - 1;
+};
+Terminal.prototype.setupStops = function (i) {
+    if (i != null) {
+        if (!this.buffer.tabs[i]) {
+            i = this.prevStop(i);
+        }
+    }
+    else {
+        this.buffer.tabs = {};
+        i = 0;
+    }
+    for (; i < this.cols; i += this.getOption('tabStopWidth')) {
+        this.buffer.tabs[i] = true;
+    }
+};
+Terminal.prototype.prevStop = function (x) {
+    if (x == null)
+        x = this.buffer.x;
+    while (!this.buffer.tabs[--x] && x > 0)
+        ;
+    return x >= this.cols
+        ? this.cols - 1
+        : x < 0 ? 0 : x;
+};
+Terminal.prototype.nextStop = function (x) {
+    if (x == null)
+        x = this.buffer.x;
+    while (!this.buffer.tabs[++x] && x < this.cols)
+        ;
+    return x >= this.cols
+        ? this.cols - 1
+        : x < 0 ? 0 : x;
+};
+Terminal.prototype.eraseRight = function (x, y) {
+    var line = this.buffer.lines.get(this.buffer.ybase + y);
+    if (!line) {
+        return;
+    }
+    var ch = [this.eraseAttr(), ' ', 1];
+    for (; x < this.cols; x++) {
+        line[x] = ch;
+    }
+    this.updateRange(y);
+};
+Terminal.prototype.eraseLeft = function (x, y) {
+    var line = this.buffer.lines.get(this.buffer.ybase + y);
+    if (!line) {
+        return;
+    }
+    var ch = [this.eraseAttr(), ' ', 1];
+    x++;
+    while (x--) {
+        line[x] = ch;
+    }
+    this.updateRange(y);
+};
+Terminal.prototype.clear = function () {
+    if (this.buffer.ybase === 0 && this.buffer.y === 0) {
+        return;
+    }
+    this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));
+    this.buffer.lines.length = 1;
+    this.buffer.ydisp = 0;
+    this.buffer.ybase = 0;
+    this.buffer.y = 0;
+    for (var i = 1; i < this.rows; i++) {
+        this.buffer.lines.push(this.blankLine());
+    }
+    this.refresh(0, this.rows - 1);
+    this.emit('scroll', this.buffer.ydisp);
+};
+Terminal.prototype.eraseLine = function (y) {
+    this.eraseRight(0, y);
+};
+Terminal.prototype.blankLine = function (cur, isWrapped, cols) {
+    var attr = cur
+        ? this.eraseAttr()
+        : this.defAttr;
+    var ch = [attr, ' ', 1], line = [], i = 0;
+    if (isWrapped) {
+        line.isWrapped = isWrapped;
+    }
+    cols = cols || this.cols;
+    for (; i < cols; i++) {
+        line[i] = ch;
+    }
+    return line;
+};
+Terminal.prototype.ch = function (cur) {
+    return cur
+        ? [this.eraseAttr(), ' ', 1]
+        : [this.defAttr, ' ', 1];
+};
+Terminal.prototype.is = function (term) {
+    var name = this.termName;
+    return (name + '').indexOf(term) === 0;
+};
+Terminal.prototype.handler = function (data) {
+    if (this.options.disableStdin) {
+        return;
+    }
+    if (this.selectionManager && this.selectionManager.hasSelection) {
+        this.selectionManager.clearSelection();
+    }
+    if (this.buffer.ybase !== this.buffer.ydisp) {
+        this.scrollToBottom();
+    }
+    this.emit('data', data);
+};
+Terminal.prototype.handleTitle = function (title) {
+    this.emit('title', title);
+};
+Terminal.prototype.index = function () {
+    this.buffer.y++;
+    if (this.buffer.y > this.buffer.scrollBottom) {
+        this.buffer.y--;
+        this.scroll();
+    }
+    if (this.buffer.x >= this.cols) {
+        this.buffer.x--;
+    }
+};
+Terminal.prototype.reverseIndex = function () {
+    var j;
+    if (this.buffer.y === this.buffer.scrollTop) {
+        this.buffer.lines.shiftElements(this.buffer.y + this.buffer.ybase, this.rows - 1, 1);
+        this.buffer.lines.set(this.buffer.y + this.buffer.ybase, this.blankLine(true));
+        this.updateRange(this.buffer.scrollTop);
+        this.updateRange(this.buffer.scrollBottom);
+    }
+    else {
+        this.buffer.y--;
+    }
+};
+Terminal.prototype.reset = function () {
+    this.options.rows = this.rows;
+    this.options.cols = this.cols;
+    var customKeyEventHandler = this.customKeyEventHandler;
+    var cursorBlinkInterval = this.cursorBlinkInterval;
+    var inputHandler = this.inputHandler;
+    Terminal.call(this, this.options);
+    this.customKeyEventHandler = customKeyEventHandler;
+    this.cursorBlinkInterval = cursorBlinkInterval;
+    this.inputHandler = inputHandler;
+    this.refresh(0, this.rows - 1);
+    this.viewport.syncScrollArea();
+};
+Terminal.prototype.tabSet = function () {
+    this.buffer.tabs[this.buffer.x] = true;
+};
+function on(el, type, handler, capture) {
+    if (!Array.isArray(el)) {
+        el = [el];
+    }
+    el.forEach(function (element) {
+        element.addEventListener(type, handler, capture || false);
+    });
+}
+function off(el, type, handler, capture) {
+    el.removeEventListener(type, handler, capture || false);
+}
+function cancel(ev, force) {
+    if (!this.cancelEvents && !force) {
+        return;
+    }
+    ev.preventDefault();
+    ev.stopPropagation();
+    return false;
+}
+function inherits(child, parent) {
+    function f() {
+        this.constructor = child;
+    }
+    f.prototype = parent.prototype;
+    child.prototype = new f;
+}
+function indexOf(obj, el) {
+    var i = obj.length;
+    while (i--) {
+        if (obj[i] === el)
+            return i;
+    }
+    return -1;
+}
+function isThirdLevelShift(term, ev) {
+    var thirdLevelKey = (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
+        (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
+    if (ev.type == 'keypress') {
+        return thirdLevelKey;
+    }
+    return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);
+}
+Terminal.prototype.matchColor = matchColor;
+function matchColor(r1, g1, b1) {
+    var hash = (r1 << 16) | (g1 << 8) | b1;
+    if (matchColor._cache[hash] != null) {
+        return matchColor._cache[hash];
+    }
+    var ldiff = Infinity, li = -1, i = 0, c, r2, g2, b2, diff;
+    for (; i < Terminal.vcolors.length; i++) {
+        c = Terminal.vcolors[i];
+        r2 = c[0];
+        g2 = c[1];
+        b2 = c[2];
+        diff = matchColor.distance(r1, g1, b1, r2, g2, b2);
+        if (diff === 0) {
+            li = i;
+            break;
+        }
+        if (diff < ldiff) {
+            ldiff = diff;
+            li = i;
+        }
+    }
+    return matchColor._cache[hash] = li;
+}
+matchColor._cache = {};
+matchColor.distance = function (r1, g1, b1, r2, g2, b2) {
+    return Math.pow(30 * (r1 - r2), 2)
+        + Math.pow(59 * (g1 - g2), 2)
+        + Math.pow(11 * (b1 - b2), 2);
+};
+function each(obj, iter, con) {
+    if (obj.forEach)
+        return obj.forEach(iter, con);
+    for (var i = 0; i < obj.length; i++) {
+        iter.call(con, obj[i], i, obj);
+    }
+}
+function wasMondifierKeyOnlyEvent(ev) {
+    return ev.keyCode === 16 ||
+        ev.keyCode === 17 ||
+        ev.keyCode === 18;
+}
+function keys(obj) {
+    if (Object.keys)
+        return Object.keys(obj);
+    var key, keys = [];
+    for (key in obj) {
+        if (Object.prototype.hasOwnProperty.call(obj, key)) {
+            keys.push(key);
+        }
+    }
+    return keys;
+}
+Terminal.translateBufferLineToString = BufferLine_1.translateBufferLineToString;
+Terminal.EventEmitter = EventEmitter_1.EventEmitter;
+Terminal.inherits = inherits;
+Terminal.on = on;
+Terminal.off = off;
+Terminal.cancel = cancel;
+module.exports = Terminal;
+
+
+
+},{"./BufferSet":2,"./CompositionHelper":4,"./EscapeSequences":5,"./EventEmitter":6,"./InputHandler":7,"./Linkifier":8,"./Parser":9,"./Renderer":10,"./SelectionManager":11,"./Viewport":13,"./handlers/Clipboard":14,"./utils/Browser":15,"./utils/BufferLine":16,"./utils/CharMeasure":17,"./utils/Mouse":21}]},{},[22])(22)
+});
+//# sourceMappingURL=xterm.js.map
diff --git a/apps/static/js/plugins/xterm/xterm.js.map b/apps/static/js/plugins/xterm/xterm.js.map
new file mode 100644
index 000000000..76134bb59
--- /dev/null
+++ b/apps/static/js/plugins/xterm/xterm.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"xterm.js","sources":["../src/xterm.js","../src/utils/Mouse.ts","../src/utils/Generic.ts","../src/utils/DomElementObjectPool.ts","../src/utils/CircularList.ts","../src/utils/CharMeasure.ts","../src/utils/BufferLine.ts","../src/utils/Browser.ts","../src/handlers/Clipboard.ts","../src/Viewport.ts","../src/SelectionModel.ts","../src/SelectionManager.ts","../src/Renderer.ts","../src/Parser.ts","../src/Linkifier.ts","../src/InputHandler.ts","../src/EventEmitter.ts","../src/EscapeSequences.ts","../src/CompositionHelper.ts","../src/Charsets.ts","../src/BufferSet.ts","../src/Buffer.ts","../node_modules/browserify/node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * xterm.js: xterm, in the browser\n * Originally forked from (with the author's permission):\n *   Fabrice Bellard's javascript vt100 for jslinux:\n *   http://bellard.org/jslinux/\n *   Copyright (c) 2011 Fabrice Bellard\n *   The original design remains. The terminal itself\n *   has been extended to include xterm CSI codes, among\n *   other features.\n * @license MIT\n */\n\nimport { BufferSet } from './BufferSet';\nimport { CompositionHelper } from './CompositionHelper';\nimport { EventEmitter } from './EventEmitter';\nimport { Viewport } from './Viewport';\nimport { rightClickHandler, moveTextAreaUnderMouseCursor, pasteHandler, copyHandler } from './handlers/Clipboard';\nimport { CircularList } from './utils/CircularList';\nimport { C0 } from './EscapeSequences';\nimport { InputHandler } from './InputHandler';\nimport { Parser } from './Parser';\nimport { Renderer } from './Renderer';\nimport { Linkifier } from './Linkifier';\nimport { SelectionManager } from './SelectionManager';\nimport { CharMeasure } from './utils/CharMeasure';\nimport * as Browser from './utils/Browser';\nimport * as Mouse from './utils/Mouse';\nimport { CHARSETS } from './Charsets';\nimport { getRawByteCoords } from './utils/Mouse';\nimport { translateBufferLineToString } from './utils/BufferLine';\n\n/**\n * Terminal Emulation References:\n *   http://vt100.net/\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n *   http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n *   http://invisible-island.net/vttest/\n *   http://www.inwap.com/pdp10/ansicode.txt\n *   http://linux.die.net/man/4/console_codes\n *   http://linux.die.net/man/7/urxvt\n */\n\n// Let it work inside Node.js for automated testing purposes.\nvar document = (typeof window != 'undefined') ? window.document : null;\n\n/**\n * The amount of write requests to queue before sending an XOFF signal to the\n * pty process. This number must be small in order for ^C and similar sequences\n * to be responsive.\n */\nvar WRITE_BUFFER_PAUSE_THRESHOLD = 5;\n\n/**\n * The number of writes to perform in a single batch before allowing the\n * renderer to catch up with a 0ms setTimeout.\n */\nvar WRITE_BATCH_SIZE = 300;\n\n/**\n * The time between cursor blinks. This is driven by JS rather than a CSS\n * animation due to a bug in Chromium that causes it to use excessive CPU time.\n * See https://github.com/Microsoft/vscode/issues/22900\n */\nvar CURSOR_BLINK_INTERVAL = 600;\n\n/**\n * Terminal\n */\n\n/**\n * Creates a new `Terminal` object.\n *\n * @param {object} options An object containing a set of options, the available options are:\n *   - `cursorBlink` (boolean): Whether the terminal cursor blinks\n *   - `cols` (number): The number of columns of the terminal (horizontal size)\n *   - `rows` (number): The number of rows of the terminal (vertical size)\n *\n * @public\n * @class Xterm Xterm\n * @alias module:xterm/src/xterm\n */\nfunction Terminal(options) {\n  var self = this;\n\n  if (!(this instanceof Terminal)) {\n    return new Terminal(arguments[0], arguments[1], arguments[2]);\n  }\n\n  self.browser = Browser;\n  self.cancel = Terminal.cancel;\n\n  EventEmitter.call(this);\n\n  if (typeof options === 'number') {\n    options = {\n      cols: arguments[0],\n      rows: arguments[1],\n      handler: arguments[2]\n    };\n  }\n\n  options = options || {};\n\n\n  Object.keys(Terminal.defaults).forEach(function(key) {\n    if (options[key] == null) {\n      options[key] = Terminal.options[key];\n\n      if (Terminal[key] !== Terminal.defaults[key]) {\n        options[key] = Terminal[key];\n      }\n    }\n    self[key] = options[key];\n  });\n\n  if (options.colors.length === 8) {\n    options.colors = options.colors.concat(Terminal._colors.slice(8));\n  } else if (options.colors.length === 16) {\n    options.colors = options.colors.concat(Terminal._colors.slice(16));\n  } else if (options.colors.length === 10) {\n    options.colors = options.colors.slice(0, -2).concat(\n      Terminal._colors.slice(8, -2), options.colors.slice(-2));\n  } else if (options.colors.length === 18) {\n    options.colors = options.colors.concat(\n      Terminal._colors.slice(16, -2), options.colors.slice(-2));\n  }\n  this.colors = options.colors;\n\n  this.options = options;\n\n  // this.context = options.context || window;\n  // this.document = options.document || document;\n  this.parent = options.body || options.parent || (\n    document ? document.getElementsByTagName('body')[0] : null\n  );\n\n  this.cols = options.cols || options.geometry[0];\n  this.rows = options.rows || options.geometry[1];\n  this.geometry = [this.cols, this.rows];\n\n  if (options.handler) {\n    this.on('data', options.handler);\n  }\n\n  this.cursorState = 0;\n  this.cursorHidden = false;\n  this.convertEol;\n  this.queue = '';\n  this.customKeyEventHandler = null;\n  this.cursorBlinkInterval = null;\n\n  // modes\n  this.applicationKeypad = false;\n  this.applicationCursor = false;\n  this.originMode = false;\n  this.insertMode = false;\n  this.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n\n  // charset\n  this.charset = null;\n  this.gcharset = null;\n  this.glevel = 0;\n  this.charsets = [null];\n\n  // mouse properties\n  this.decLocator;\n  this.x10Mouse;\n  this.vt200Mouse;\n  this.vt300Mouse;\n  this.normalMouse;\n  this.mouseEvents;\n  this.sendFocus;\n  this.utfMouse;\n  this.sgrMouse;\n  this.urxvtMouse;\n\n  // misc\n  this.element;\n  this.children;\n  this.refreshStart;\n  this.refreshEnd;\n  this.savedX;\n  this.savedY;\n  this.savedCols;\n\n  // stream\n  this.readable = true;\n  this.writable = true;\n\n  this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);\n  this.curAttr = this.defAttr;\n\n  this.params = [];\n  this.currentParam = 0;\n  this.prefix = '';\n  this.postfix = '';\n\n  this.inputHandler = new InputHandler(this);\n  this.parser = new Parser(this.inputHandler, this);\n  // Reuse renderer if the Terminal is being recreated via a Terminal.reset call.\n  this.renderer = this.renderer || null;\n  this.selectionManager = this.selectionManager || null;\n  this.linkifier = this.linkifier || new Linkifier();\n\n  // user input states\n  this.writeBuffer = [];\n  this.writeInProgress = false;\n\n  /**\n   * Whether _xterm.js_ sent XOFF in order to catch up with the pty process.\n   * This is a distinct state from writeStopped so that if the user requested\n   * XOFF via ^S that it will not automatically resume when the writeBuffer goes\n   * below threshold.\n   */\n  this.xoffSentToCatchUp = false;\n\n  /** Whether writing has been stopped as a result of XOFF */\n  this.writeStopped = false;\n\n  // leftover surrogate high from previous write invocation\n  this.surrogate_high = '';\n\n  // Create the terminal's buffers and set the current buffer\n  this.buffers = new BufferSet(this);\n  this.buffer = this.buffers.active;  // Convenience shortcut;\n  this.buffers.on('activate', function (buffer) {\n    this._terminal.buffer = buffer;\n  });\n\n  // Ensure the selection manager has the correct buffer\n  if (this.selectionManager) {\n    this.selectionManager.setBuffer(this.buffer.lines);\n  }\n\n  this.setupStops();\n\n  // Store if user went browsing history in scrollback\n  this.userScrolling = false;\n}\n\ninherits(Terminal, EventEmitter);\n\n/**\n * back_color_erase feature for xterm.\n */\nTerminal.prototype.eraseAttr = function() {\n  // if (this.is('screen')) return this.defAttr;\n  return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);\n};\n\n/**\n * Colors\n */\n\n// Colors 0-15\nTerminal.tangoColors = [\n  // dark:\n  '#2e3436',\n  '#cc0000',\n  '#4e9a06',\n  '#c4a000',\n  '#3465a4',\n  '#75507b',\n  '#06989a',\n  '#d3d7cf',\n  // bright:\n  '#555753',\n  '#ef2929',\n  '#8ae234',\n  '#fce94f',\n  '#729fcf',\n  '#ad7fa8',\n  '#34e2e2',\n  '#eeeeec'\n];\n\n// Colors 0-15 + 16-255\n// Much thanks to TooTallNate for writing this.\nTerminal.colors = (function() {\n  var colors = Terminal.tangoColors.slice()\n  , r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]\n  , i;\n\n  // 16-231\n  i = 0;\n  for (; i < 216; i++) {\n    out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);\n  }\n\n  // 232-255 (grey)\n  i = 0;\n  for (; i < 24; i++) {\n    r = 8 + i * 10;\n    out(r, r, r);\n  }\n\n  function out(r, g, b) {\n    colors.push('#' + hex(r) + hex(g) + hex(b));\n  }\n\n  function hex(c) {\n    c = c.toString(16);\n    return c.length < 2 ? '0' + c : c;\n  }\n\n  return colors;\n})();\n\nTerminal._colors = Terminal.colors.slice();\n\nTerminal.vcolors = (function() {\n  var out = []\n  , colors = Terminal.colors\n  , i = 0\n  , color;\n\n  for (; i < 256; i++) {\n    color = parseInt(colors[i].substring(1), 16);\n    out.push([\n      (color >> 16) & 0xff,\n      (color >> 8) & 0xff,\n      color & 0xff\n    ]);\n  }\n\n  return out;\n})();\n\n/**\n * Options\n */\n\nTerminal.defaults = {\n  colors: Terminal.colors,\n  theme: 'default',\n  convertEol: false,\n  termName: 'xterm',\n  geometry: [80, 24],\n  cursorBlink: false,\n  cursorStyle: 'block',\n  visualBell: false,\n  popOnBell: false,\n  scrollback: 1000,\n  screenKeys: false,\n  debug: false,\n  cancelEvents: false,\n  disableStdin: false,\n  useFlowControl: false,\n  tabStopWidth: 8\n  // programFeatures: false,\n  // focusKeys: false,\n};\n\nTerminal.options = {};\n\nTerminal.focus = null;\n\neach(keys(Terminal.defaults), function(key) {\n  Terminal[key] = Terminal.defaults[key];\n  Terminal.options[key] = Terminal.defaults[key];\n});\n\n/**\n * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n */\nTerminal.prototype.focus = function() {\n  return this.textarea.focus();\n};\n\n/**\n * Retrieves an option's value from the terminal.\n * @param {string} key The option key.\n */\nTerminal.prototype.getOption = function(key) {\n  if (!(key in Terminal.defaults)) {\n    throw new Error('No option with key \"' + key + '\"');\n  }\n\n  if (typeof this.options[key] !== 'undefined') {\n    return this.options[key];\n  }\n\n  return this[key];\n};\n\n/**\n * Sets an option on the terminal.\n * @param {string} key The option key.\n * @param {string} value The option value.\n */\nTerminal.prototype.setOption = function(key, value) {\n  if (!(key in Terminal.defaults)) {\n    throw new Error('No option with key \"' + key + '\"');\n  }\n  switch (key) {\n    case 'scrollback':\n      if (value < this.rows) {\n        let msg = 'Setting the scrollback value less than the number of rows ';\n\n        msg += `(${this.rows}) is not allowed.`;\n\n        console.warn(msg);\n        return false;\n      }\n\n      if (this.options[key] !== value) {\n        if (this.buffer.lines.length > value) {\n          const amountToTrim = this.buffer.lines.length - value;\n          const needsRefresh = (this.buffer.ydisp - amountToTrim < 0);\n          this.buffer.lines.trimStart(amountToTrim);\n          this.buffer.ybase = Math.max(this.buffer.ybase - amountToTrim, 0);\n          this.buffer.ydisp = Math.max(this.buffer.ydisp - amountToTrim, 0);\n          if (needsRefresh) {\n            this.refresh(0, this.rows - 1);\n          }\n        }\n        this.buffer.lines.maxLength = value;\n        this.viewport.syncScrollArea();\n      }\n      break;\n  }\n  this[key] = value;\n  this.options[key] = value;\n  switch (key) {\n    case 'cursorBlink': this.setCursorBlinking(value); break;\n    case 'cursorStyle':\n      this.element.classList.toggle(`xterm-cursor-style-block`, value === 'block');\n      this.element.classList.toggle(`xterm-cursor-style-underline`, value === 'underline');\n      this.element.classList.toggle(`xterm-cursor-style-bar`, value === 'bar');\n      break;\n    case 'tabStopWidth': this.setupStops(); break;\n  }\n};\n\nTerminal.prototype.restartCursorBlinking = function () {\n  this.setCursorBlinking(this.options.cursorBlink);\n};\n\nTerminal.prototype.setCursorBlinking = function (enabled) {\n  this.element.classList.toggle('xterm-cursor-blink', enabled);\n  this.clearCursorBlinkingInterval();\n  if (enabled) {\n    var self = this;\n    this.cursorBlinkInterval = setInterval(function () {\n      self.element.classList.toggle('xterm-cursor-blink-on');\n    }, CURSOR_BLINK_INTERVAL);\n  }\n};\n\nTerminal.prototype.clearCursorBlinkingInterval = function () {\n  this.element.classList.remove('xterm-cursor-blink-on');\n  if (this.cursorBlinkInterval) {\n    clearInterval(this.cursorBlinkInterval);\n    this.cursorBlinkInterval = null;\n  }\n};\n\n/**\n * Binds the desired focus behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindFocus = function (term) {\n  on(term.textarea, 'focus', function (ev) {\n    if (term.sendFocus) {\n      term.send(C0.ESC + '[I');\n    }\n    term.element.classList.add('focus');\n    term.showCursor();\n    term.restartCursorBlinking.apply(term);\n    Terminal.focus = term;\n    term.emit('focus', {terminal: term});\n  });\n};\n\n/**\n * Blur the terminal. Delegates blur handling to the terminal's DOM element.\n */\nTerminal.prototype.blur = function() {\n  return this.textarea.blur();\n};\n\n/**\n * Binds the desired blur behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindBlur = function (term) {\n  on(term.textarea, 'blur', function (ev) {\n    term.refresh(term.buffer.y, term.buffer.y);\n    if (term.sendFocus) {\n      term.send(C0.ESC + '[O');\n    }\n    term.element.classList.remove('focus');\n    term.clearCursorBlinkingInterval.apply(term);\n    Terminal.focus = null;\n    term.emit('blur', {terminal: term});\n  });\n};\n\n/**\n * Initialize default behavior\n */\nTerminal.prototype.initGlobal = function() {\n  var term = this;\n\n  Terminal.bindKeys(this);\n  Terminal.bindFocus(this);\n  Terminal.bindBlur(this);\n\n  // Bind clipboard functionality\n  on(this.element, 'copy', event => {\n    // If mouse events are active it means the selection manager is disabled and\n    // copy should be handled by the host program.\n    if (!term.hasSelection()) {\n      return;\n    }\n    copyHandler(event, term, this.selectionManager);\n  });\n  const pasteHandlerWrapper = event => pasteHandler(event, term);\n  on(this.textarea, 'paste', pasteHandlerWrapper);\n  on(this.element, 'paste', pasteHandlerWrapper);\n\n  // Handle right click context menus\n  if (term.browser.isFirefox) {\n    // Firefox doesn't appear to fire the contextmenu event on right click\n    on(this.element, 'mousedown', event => {\n      if (event.button == 2) {\n        rightClickHandler(event, this.textarea, this.selectionManager);\n      }\n    });\n  } else {\n    on(this.element, 'contextmenu', event => {\n      rightClickHandler(event, this.textarea, this.selectionManager);\n    });\n  }\n\n  // Move the textarea under the cursor when middle clicking on Linux to ensure\n  // middle click to paste selection works. This only appears to work in Chrome\n  // at the time is writing.\n  if (term.browser.isLinux) {\n    // Use auxclick event over mousedown the latter doesn't seem to work. Note\n    // that the regular click event doesn't fire for the middle mouse button.\n    on(this.element, 'auxclick', event => {\n      if (event.button === 1) {\n        moveTextAreaUnderMouseCursor(event, this.textarea, this.selectionManager);\n      }\n    });\n  }\n};\n\n/**\n * Apply key handling to the terminal\n */\nTerminal.bindKeys = function(term) {\n  on(term.element, 'keydown', function(ev) {\n    if (document.activeElement != this) {\n      return;\n    }\n    term.keyDown(ev);\n  }, true);\n\n  on(term.element, 'keypress', function(ev) {\n    if (document.activeElement != this) {\n      return;\n    }\n    term.keyPress(ev);\n  }, true);\n\n  on(term.element, 'keyup', function(ev) {\n    if (!wasMondifierKeyOnlyEvent(ev)) {\n      term.focus(term);\n    }\n  }, true);\n\n  on(term.textarea, 'keydown', function(ev) {\n    term.keyDown(ev);\n  }, true);\n\n  on(term.textarea, 'keypress', function(ev) {\n    term.keyPress(ev);\n    // Truncate the textarea's value, since it is not needed\n    this.value = '';\n  }, true);\n\n  on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));\n  on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));\n  on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));\n  term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));\n  term.on('refresh', function (data) {\n    term.queueLinkification(data.start, data.end)\n  });\n};\n\n\n/**\n * Insert the given row to the terminal or produce a new one\n * if no row argument is passed. Return the inserted row.\n * @param {HTMLElement} row (optional) The row to append to the terminal.\n */\nTerminal.prototype.insertRow = function (row) {\n  if (typeof row != 'object') {\n    row = document.createElement('div');\n  }\n\n  this.rowContainer.appendChild(row);\n  this.children.push(row);\n\n  return row;\n};\n\n/**\n * Opens the terminal within an element.\n *\n * @param {HTMLElement} parent The element to create the terminal within.\n * @param {boolean} focus Focus the terminal, after it gets instantiated in the DOM\n */\nTerminal.prototype.open = function(parent, focus) {\n  var self=this, i=0, div;\n\n  this.parent = parent || this.parent;\n\n  if (!this.parent) {\n    throw new Error('Terminal requires a parent element.');\n  }\n\n  // Grab global elements\n  this.context = this.parent.ownerDocument.defaultView;\n  this.document = this.parent.ownerDocument;\n  this.body = this.document.getElementsByTagName('body')[0];\n\n  //Create main element container\n  this.element = this.document.createElement('div');\n  this.element.classList.add('terminal');\n  this.element.classList.add('xterm');\n  this.element.classList.add('xterm-theme-' + this.theme);\n  this.element.classList.add(`xterm-cursor-style-${this.options.cursorStyle}`);\n  this.setCursorBlinking(this.options.cursorBlink);\n\n  this.element.setAttribute('tabindex', 0);\n\n  this.viewportElement = document.createElement('div');\n  this.viewportElement.classList.add('xterm-viewport');\n  this.element.appendChild(this.viewportElement);\n  this.viewportScrollArea = document.createElement('div');\n  this.viewportScrollArea.classList.add('xterm-scroll-area');\n  this.viewportElement.appendChild(this.viewportScrollArea);\n\n  // Create the selection container.\n  this.selectionContainer = document.createElement('div');\n  this.selectionContainer.classList.add('xterm-selection');\n  this.element.appendChild(this.selectionContainer);\n\n  // Create the container that will hold the lines of the terminal and then\n  // produce the lines the lines.\n  this.rowContainer = document.createElement('div');\n  this.rowContainer.classList.add('xterm-rows');\n  this.element.appendChild(this.rowContainer);\n  this.children = [];\n  this.linkifier.attachToDom(document, this.children);\n\n  // Create the container that will hold helpers like the textarea for\n  // capturing DOM Events. Then produce the helpers.\n  this.helperContainer = document.createElement('div');\n  this.helperContainer.classList.add('xterm-helpers');\n  // TODO: This should probably be inserted once it's filled to prevent an additional layout\n  this.element.appendChild(this.helperContainer);\n  this.textarea = document.createElement('textarea');\n  this.textarea.classList.add('xterm-helper-textarea');\n  this.textarea.setAttribute('autocorrect', 'off');\n  this.textarea.setAttribute('autocapitalize', 'off');\n  this.textarea.setAttribute('spellcheck', 'false');\n  this.textarea.tabIndex = 0;\n  this.textarea.addEventListener('focus', function() {\n    self.emit('focus', {terminal: self});\n  });\n  this.textarea.addEventListener('blur', function() {\n    self.emit('blur', {terminal: self});\n  });\n  this.helperContainer.appendChild(this.textarea);\n\n  this.compositionView = document.createElement('div');\n  this.compositionView.classList.add('composition-view');\n  this.compositionHelper = new CompositionHelper(this.textarea, this.compositionView, this);\n  this.helperContainer.appendChild(this.compositionView);\n\n  this.charSizeStyleElement = document.createElement('style');\n  this.helperContainer.appendChild(this.charSizeStyleElement);\n\n  for (; i < this.rows; i++) {\n    this.insertRow();\n  }\n  this.parent.appendChild(this.element);\n\n  this.charMeasure = new CharMeasure(document, this.helperContainer);\n  this.charMeasure.on('charsizechanged', function () {\n    self.updateCharSizeStyles();\n  });\n  this.charMeasure.measure();\n\n  this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);\n  this.renderer = new Renderer(this);\n  this.selectionManager = new SelectionManager(\n    this, this.buffer.lines, this.rowContainer, this.charMeasure\n  );\n  this.selectionManager.on('refresh', data => {\n    this.renderer.refreshSelection(data.start, data.end);\n  });\n  this.selectionManager.on('newselection', text => {\n    // If there's a new selection, put it into the textarea, focus and select it\n    // in order to register it as a selection on the OS. This event is fired\n    // only on Linux to enable middle click to paste selection.\n    this.textarea.value = text;\n    this.textarea.focus();\n    this.textarea.select();\n  });\n  this.on('scroll', () => this.selectionManager.refresh());\n  this.viewportElement.addEventListener('scroll', () => this.selectionManager.refresh());\n\n  // Setup loop that draws to screen\n  this.refresh(0, this.rows - 1);\n\n  // Initialize global actions that\n  // need to be taken on the document.\n  this.initGlobal();\n\n  /**\n   * Automatic focus functionality.\n   * TODO: Default to `false` starting with xterm.js 3.0.\n   */\n  if (typeof focus == 'undefined') {\n    let message = 'You did not pass the `focus` argument in `Terminal.prototype.open()`.\\n';\n\n    message += 'The `focus` argument now defaults to `true` but starting with xterm.js 3.0 ';\n    message += 'it will default to `false`.';\n\n    console.warn(message);\n    focus = true;\n  }\n\n  if (focus) {\n    this.focus();\n  }\n\n  // Listen for mouse events and translate\n  // them into terminal mouse protocols.\n  this.bindMouse();\n\n  /**\n   * This event is emitted when terminal has completed opening.\n   *\n   * @event open\n   */\n  this.emit('open');\n};\n\n\n/**\n * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).\n * @param {string} addon The name of the addon to load\n * @static\n */\nTerminal.loadAddon = function(addon, callback) {\n  if (typeof exports === 'object' && typeof module === 'object') {\n    // CommonJS\n    return require('./addons/' + addon + '/' + addon);\n  } else if (typeof define == 'function') {\n    // RequireJS\n    return require(['./addons/' + addon + '/' + addon], callback);\n  } else {\n    console.error('Cannot load a module without a CommonJS or RequireJS environment.');\n    return false;\n  }\n};\n\n/**\n * Updates the helper CSS class with any changes necessary after the terminal's\n * character width has been changed.\n */\nTerminal.prototype.updateCharSizeStyles = function() {\n  this.charSizeStyleElement.textContent =\n      `.xterm-wide-char{width:${this.charMeasure.width * 2}px;}` +\n      `.xterm-normal-char{width:${this.charMeasure.width}px;}` +\n      `.xterm-rows > div{height:${this.charMeasure.height}px;}`;\n}\n\n/**\n * XTerm mouse events\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking\n * To better understand these\n * the xterm code is very helpful:\n * Relevant files:\n *   button.c, charproc.c, misc.c\n * Relevant functions in xterm/button.c:\n *   BtnCode, EmitButtonCode, EditorButton, SendMousePosition\n */\nTerminal.prototype.bindMouse = function() {\n  var el = this.element, self = this, pressed = 32;\n\n  // mouseup, mousedown, wheel\n  // left click: ^[[M 3<^[[M#3<\n  // wheel up: ^[[M`3>\n  function sendButton(ev) {\n    var button\n    , pos;\n\n    // get the xterm-style button\n    button = getButton(ev);\n\n    // get mouse coordinates\n    pos = getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);\n    if (!pos) return;\n\n    sendEvent(button, pos);\n\n    switch (ev.overrideType || ev.type) {\n      case 'mousedown':\n        pressed = button;\n        break;\n      case 'mouseup':\n        // keep it at the left\n        // button, just in case.\n        pressed = 32;\n        break;\n      case 'wheel':\n        // nothing. don't\n        // interfere with\n        // `pressed`.\n        break;\n    }\n  }\n\n  // motion example of a left click:\n  // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<\n  function sendMove(ev) {\n    var button = pressed\n    , pos;\n\n    pos = getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);\n    if (!pos) return;\n\n    // buttons marked as motions\n    // are incremented by 32\n    button += 32;\n\n    sendEvent(button, pos);\n  }\n\n  // encode button and\n  // position to characters\n  function encode(data, ch) {\n    if (!self.utfMouse) {\n      if (ch === 255) return data.push(0);\n      if (ch > 127) ch = 127;\n      data.push(ch);\n    } else {\n      if (ch === 2047) return data.push(0);\n      if (ch < 127) {\n        data.push(ch);\n      } else {\n        if (ch > 2047) ch = 2047;\n        data.push(0xC0 | (ch >> 6));\n        data.push(0x80 | (ch & 0x3F));\n      }\n    }\n  }\n\n  // send a mouse event:\n  // regular/utf8: ^[[M Cb Cx Cy\n  // urxvt: ^[[ Cb ; Cx ; Cy M\n  // sgr: ^[[ Cb ; Cx ; Cy M/m\n  // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \\r\n  // locator: CSI P e ; P b ; P r ; P c ; P p & w\n  function sendEvent(button, pos) {\n    // self.emit('mouse', {\n    //   x: pos.x - 32,\n    //   y: pos.x - 32,\n    //   button: button\n    // });\n\n    if (self.vt300Mouse) {\n      // NOTE: Unstable.\n      // http://www.vt100.net/docs/vt3xx-gp/chapter15.html\n      button &= 3;\n      pos.x -= 32;\n      pos.y -= 32;\n      var data = C0.ESC + '[24';\n      if (button === 0) data += '1';\n      else if (button === 1) data += '3';\n      else if (button === 2) data += '5';\n      else if (button === 3) return;\n      else data += '0';\n      data += '~[' + pos.x + ',' + pos.y + ']\\r';\n      self.send(data);\n      return;\n    }\n\n    if (self.decLocator) {\n      // NOTE: Unstable.\n      button &= 3;\n      pos.x -= 32;\n      pos.y -= 32;\n      if (button === 0) button = 2;\n      else if (button === 1) button = 4;\n      else if (button === 2) button = 6;\n      else if (button === 3) button = 3;\n      self.send(C0.ESC + '['\n                + button\n                + ';'\n                + (button === 3 ? 4 : 0)\n                + ';'\n                + pos.y\n                + ';'\n                + pos.x\n                + ';'\n                + (pos.page || 0)\n                + '&w');\n      return;\n    }\n\n    if (self.urxvtMouse) {\n      pos.x -= 32;\n      pos.y -= 32;\n      pos.x++;\n      pos.y++;\n      self.send(C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');\n      return;\n    }\n\n    if (self.sgrMouse) {\n      pos.x -= 32;\n      pos.y -= 32;\n      self.send(C0.ESC + '[<'\n                + (((button & 3) === 3 ? button & ~3 : button) - 32)\n                + ';'\n                + pos.x\n                + ';'\n                + pos.y\n                + ((button & 3) === 3 ? 'm' : 'M'));\n      return;\n    }\n\n    var data = [];\n\n    encode(data, button);\n    encode(data, pos.x);\n    encode(data, pos.y);\n\n    self.send(C0.ESC + '[M' + String.fromCharCode.apply(String, data));\n  }\n\n  function getButton(ev) {\n    var button\n    , shift\n    , meta\n    , ctrl\n    , mod;\n\n    // two low bits:\n    // 0 = left\n    // 1 = middle\n    // 2 = right\n    // 3 = release\n    // wheel up/down:\n    // 1, and 2 - with 64 added\n    switch (ev.overrideType || ev.type) {\n      case 'mousedown':\n        button = ev.button != null\n          ? +ev.button\n        : ev.which != null\n          ? ev.which - 1\n        : null;\n\n        if (self.browser.isMSIE) {\n          button = button === 1 ? 0 : button === 4 ? 1 : button;\n        }\n        break;\n      case 'mouseup':\n        button = 3;\n        break;\n      case 'DOMMouseScroll':\n        button = ev.detail < 0\n          ? 64\n        : 65;\n        break;\n      case 'wheel':\n        button = ev.wheelDeltaY > 0\n          ? 64\n        : 65;\n        break;\n    }\n\n    // next three bits are the modifiers:\n    // 4 = shift, 8 = meta, 16 = control\n    shift = ev.shiftKey ? 4 : 0;\n    meta = ev.metaKey ? 8 : 0;\n    ctrl = ev.ctrlKey ? 16 : 0;\n    mod = shift | meta | ctrl;\n\n    // no mods\n    if (self.vt200Mouse) {\n      // ctrl only\n      mod &= ctrl;\n    } else if (!self.normalMouse) {\n      mod = 0;\n    }\n\n    // increment to SP\n    button = (32 + (mod << 2)) + button;\n\n    return button;\n  }\n\n  on(el, 'mousedown', function(ev) {\n\n    // Prevent the focus on the textarea from getting lost\n    // and make sure we get focused on mousedown\n    ev.preventDefault();\n    self.focus();\n\n    if (!self.mouseEvents) return;\n\n    // send the button\n    sendButton(ev);\n\n    // fix for odd bug\n    //if (self.vt200Mouse && !self.normalMouse) {\n    if (self.vt200Mouse) {\n      ev.overrideType = 'mouseup';\n      sendButton(ev);\n      return self.cancel(ev);\n    }\n\n    // bind events\n    if (self.normalMouse) on(self.document, 'mousemove', sendMove);\n\n    // x10 compatibility mode can't send button releases\n    if (!self.x10Mouse) {\n      on(self.document, 'mouseup', function up(ev) {\n        sendButton(ev);\n        if (self.normalMouse) off(self.document, 'mousemove', sendMove);\n        off(self.document, 'mouseup', up);\n        return self.cancel(ev);\n      });\n    }\n\n    return self.cancel(ev);\n  });\n\n  //if (self.normalMouse) {\n  //  on(self.document, 'mousemove', sendMove);\n  //}\n\n  on(el, 'wheel', function(ev) {\n    if (!self.mouseEvents) return;\n    if (self.x10Mouse\n        || self.vt300Mouse\n        || self.decLocator) return;\n    sendButton(ev);\n    return self.cancel(ev);\n  });\n\n  // allow wheel scrolling in\n  // the shell for example\n  on(el, 'wheel', function(ev) {\n    if (self.mouseEvents) return;\n    self.viewport.onWheel(ev);\n    return self.cancel(ev);\n  });\n\n  on(el, 'touchstart', function(ev) {\n    if (self.mouseEvents) return;\n    self.viewport.onTouchStart(ev);\n    return self.cancel(ev);\n  });\n\n  on(el, 'touchmove', function(ev) {\n    if (self.mouseEvents) return;\n    self.viewport.onTouchMove(ev);\n    return self.cancel(ev);\n  });\n};\n\n/**\n * Destroys the terminal.\n */\nTerminal.prototype.destroy = function() {\n  this.readable = false;\n  this.writable = false;\n  this._events = {};\n  this.handler = function() {};\n  this.write = function() {};\n  if (this.element && this.element.parentNode) {\n    this.element.parentNode.removeChild(this.element);\n  }\n  //this.emit('close');\n};\n\n/**\n * Tells the renderer to refresh terminal content between two rows (inclusive) at the next\n * opportunity.\n * @param {number} start The row to start from (between 0 and this.rows - 1).\n * @param {number} end The row to end at (between start and this.rows - 1).\n */\nTerminal.prototype.refresh = function(start, end) {\n  if (this.renderer) {\n    this.renderer.queueRefresh(start, end);\n  }\n};\n\n/**\n * Queues linkification for the specified rows.\n * @param {number} start The row to start from (between 0 and this.rows - 1).\n * @param {number} end The row to end at (between start and this.rows - 1).\n */\nTerminal.prototype.queueLinkification = function(start, end) {\n  if (this.linkifier) {\n    for (let i = start; i <= end; i++) {\n      this.linkifier.linkifyRow(i);\n    }\n  }\n};\n\n/**\n * Display the cursor element\n */\nTerminal.prototype.showCursor = function() {\n  if (!this.cursorState) {\n    this.cursorState = 1;\n    this.refresh(this.buffer.y, this.buffer.y);\n  }\n};\n\n/**\n * Scroll the terminal down 1 row, creating a blank line.\n * @param {boolean} isWrapped Whether the new line is wrapped from the previous\n * line.\n */\nTerminal.prototype.scroll = function(isWrapped) {\n  var row;\n\n  // Make room for the new row in lines\n  if (this.buffer.lines.length === this.buffer.lines.maxLength) {\n    this.buffer.lines.trimStart(1);\n    this.buffer.ybase--;\n    if (this.buffer.ydisp !== 0) {\n      this.buffer.ydisp--;\n    }\n  }\n\n  this.buffer.ybase++;\n\n  // TODO: Why is this done twice?\n  if (!this.userScrolling) {\n    this.buffer.ydisp = this.buffer.ybase;\n  }\n\n  // last line\n  row = this.buffer.ybase + this.rows - 1;\n\n  // subtract the bottom scroll region\n  row -= this.rows - 1 - this.buffer.scrollBottom;\n\n  if (row === this.buffer.lines.length) {\n    // Optimization: pushing is faster than splicing when they amount to the same behavior\n    this.buffer.lines.push(this.blankLine(undefined, isWrapped));\n  } else {\n    // add our new line\n    this.buffer.lines.splice(row, 0, this.blankLine(undefined, isWrapped));\n  }\n\n  if (this.buffer.scrollTop !== 0) {\n    if (this.buffer.ybase !== 0) {\n      this.buffer.ybase--;\n      if (!this.userScrolling) {\n        this.buffer.ydisp = this.buffer.ybase;\n      }\n    }\n    this.buffer.lines.splice(this.buffer.ybase + this.buffer.scrollTop, 1);\n  }\n\n  // this.maxRange();\n  this.updateRange(this.buffer.scrollTop);\n  this.updateRange(this.buffer.scrollBottom);\n\n  /**\n   * This event is emitted whenever the terminal is scrolled.\n   * The one parameter passed is the new y display position.\n   *\n   * @event scroll\n   */\n  this.emit('scroll', this.buffer.ydisp);\n};\n\n/**\n * Scroll the display of the terminal\n * @param {number} disp The number of lines to scroll down (negatives scroll up).\n * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used\n * to avoid unwanted events being handled by the veiwport when the event was triggered from the\n * viewport originally.\n */\nTerminal.prototype.scrollDisp = function(disp, suppressScrollEvent) {\n  if (disp < 0) {\n    if (this.buffer.ydisp === 0) {\n      return;\n    }\n    this.userScrolling = true;\n  } else if (disp + this.buffer.ydisp >= this.buffer.ybase) {\n    this.userScrolling = false;\n  }\n\n  const oldYdisp = this.buffer.ydisp;\n  this.buffer.ydisp = Math.max(Math.min(this.buffer.ydisp + disp, this.buffer.ybase), 0);\n\n  // No change occurred, don't trigger scroll/refresh\n  if (oldYdisp === this.buffer.ydisp) {\n    return;\n  }\n\n  if (!suppressScrollEvent) {\n    this.emit('scroll', this.buffer.ydisp);\n  }\n\n  this.refresh(0, this.rows - 1);\n};\n\n/**\n * Scroll the display of the terminal by a number of pages.\n * @param {number} pageCount The number of pages to scroll (negative scrolls up).\n */\nTerminal.prototype.scrollPages = function(pageCount) {\n  this.scrollDisp(pageCount * (this.rows - 1));\n};\n\n/**\n * Scrolls the display of the terminal to the top.\n */\nTerminal.prototype.scrollToTop = function() {\n  this.scrollDisp(-this.buffer.ydisp);\n};\n\n/**\n * Scrolls the display of the terminal to the bottom.\n */\nTerminal.prototype.scrollToBottom = function() {\n  this.scrollDisp(this.buffer.ybase - this.buffer.ydisp);\n};\n\n/**\n * Writes text to the terminal.\n * @param {string} data The text to write to the terminal.\n */\nTerminal.prototype.write = function(data) {\n  this.writeBuffer.push(data);\n\n  // Send XOFF to pause the pty process if the write buffer becomes too large so\n  // xterm.js can catch up before more data is sent. This is necessary in order\n  // to keep signals such as ^C responsive.\n  if (this.options.useFlowControl && !this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {\n    // XOFF - stop pty pipe\n    // XON will be triggered by emulator before processing data chunk\n    this.send(C0.DC3);\n    this.xoffSentToCatchUp = true;\n  }\n\n  if (!this.writeInProgress && this.writeBuffer.length > 0) {\n    // Kick off a write which will write all data in sequence recursively\n    this.writeInProgress = true;\n    // Kick off an async innerWrite so more writes can come in while processing data\n    var self = this;\n    setTimeout(function () {\n      self.innerWrite();\n    });\n  }\n};\n\nTerminal.prototype.innerWrite = function() {\n  var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);\n  while (writeBatch.length > 0) {\n    var data = writeBatch.shift();\n    var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;\n\n    // If XOFF was sent in order to catch up with the pty process, resume it if\n    // the writeBuffer is empty to allow more data to come in.\n    if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {\n      this.send(C0.DC1);\n      this.xoffSentToCatchUp = false;\n    }\n\n    this.refreshStart = this.buffer.y;\n    this.refreshEnd = this.buffer.y;\n\n    // HACK: Set the parser state based on it's state at the time of return.\n    // This works around the bug #662 which saw the parser state reset in the\n    // middle of parsing escape sequence in two chunks. For some reason the\n    // state of the parser resets to 0 after exiting parser.parse. This change\n    // just sets the state back based on the correct return statement.\n    var state = this.parser.parse(data);\n    this.parser.setState(state);\n\n    this.updateRange(this.buffer.y);\n    this.refresh(this.refreshStart, this.refreshEnd);\n  }\n  if (this.writeBuffer.length > 0) {\n    // Allow renderer to catch up before processing the next batch\n    var self = this;\n    setTimeout(function () {\n      self.innerWrite();\n    }, 0);\n  } else {\n    this.writeInProgress = false;\n  }\n};\n\n/**\n * Writes text to the terminal, followed by a break line character (\\n).\n * @param {string} data The text to write to the terminal.\n */\nTerminal.prototype.writeln = function(data) {\n  this.write(data + '\\r\\n');\n};\n\n/**\n * DEPRECATED: only for backward compatibility. Please use attachCustomKeyEventHandler() instead.\n * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a\n *   function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n *   the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeydownHandler = function(customKeydownHandler) {\n  let message = 'attachCustomKeydownHandler() is DEPRECATED and will be removed soon. Please use attachCustomKeyEventHandler() instead.';\n  console.warn(message);\n  this.attachCustomKeyEventHandler(customKeydownHandler);\n};\n\n/**\n * Attaches a custom key event handler which is run before keys are processed, giving consumers of\n * xterm.js ultimate control as to what keys should be processed by the terminal and what keys\n * should not.\n * @param {function} customKeyEventHandler The custom KeyboardEvent handler to attach. This is a\n *   function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n *   the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeyEventHandler = function(customKeyEventHandler) {\n  this.customKeyEventHandler = customKeyEventHandler;\n};\n\n/**\n * Attaches a http(s) link handler, forcing web links to behave differently to\n * regular <a> tags. This will trigger a refresh as links potentially need to be\n * reconstructed. Calling this with null will remove the handler.\n * @param {LinkMatcherHandler} handler The handler callback function.\n */\nTerminal.prototype.setHypertextLinkHandler = function(handler) {\n  if (!this.linkifier) {\n    throw new Error('Cannot attach a hypertext link handler before Terminal.open is called');\n  }\n  this.linkifier.setHypertextLinkHandler(handler);\n  // Refresh to force links to refresh\n  this.refresh(0, this.rows - 1);\n};\n\n/**\n * Attaches a validation callback for hypertext links. This is useful to use\n * validation logic or to do something with the link's element and url.\n * @param {LinkMatcherValidationCallback} callback The callback to use, this can\n * be cleared with null.\n */\nTerminal.prototype.setHypertextValidationCallback = function(callback) {\n  if (!this.linkifier) {\n    throw new Error('Cannot attach a hypertext validation callback before Terminal.open is called');\n  }\n  this.linkifier.setHypertextValidationCallback(callback);\n  // Refresh to force links to refresh\n  this.refresh(0, this.rows - 1);\n};\n\n/**\n   * Registers a link matcher, allowing custom link patterns to be matched and\n   * handled.\n   * @param {RegExp} regex The regular expression to search for, specifically\n   * this searches the textContent of the rows. You will want to use \\s to match\n   * a space ' ' character for example.\n   * @param {LinkMatcherHandler} handler The callback when the link is called.\n   * @param {LinkMatcherOptions} [options] Options for the link matcher.\n   * @return {number} The ID of the new matcher, this can be used to deregister.\n */\nTerminal.prototype.registerLinkMatcher = function(regex, handler, options) {\n  if (this.linkifier) {\n    var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);\n    this.refresh(0, this.rows - 1);\n    return matcherId;\n  }\n};\n\n/**\n * Deregisters a link matcher if it has been registered.\n * @param {number} matcherId The link matcher's ID (returned after register)\n */\nTerminal.prototype.deregisterLinkMatcher = function(matcherId) {\n  if (this.linkifier) {\n    if (this.linkifier.deregisterLinkMatcher(matcherId)) {\n      this.refresh(0, this.rows - 1);\n    }\n  }\n};\n\n/**\n * Gets whether the terminal has an active selection.\n */\nTerminal.prototype.hasSelection = function() {\n  return this.selectionManager ? this.selectionManager.hasSelection : false;\n};\n\n/**\n * Gets the terminal's current selection, this is useful for implementing copy\n * behavior outside of xterm.js.\n */\nTerminal.prototype.getSelection = function() {\n  return this.selectionManager ? this.selectionManager.selectionText : '';\n};\n\n/**\n * Clears the current terminal selection.\n */\nTerminal.prototype.clearSelection = function() {\n  if (this.selectionManager) {\n    this.selectionManager.clearSelection();\n  }\n};\n\n/**\n * Selects all text within the terminal.\n */\nTerminal.prototype.selectAll = function() {\n  if (this.selectionManager) {\n    this.selectionManager.selectAll();\n  }\n};\n\n/**\n * Handle a keydown event\n * Key Resources:\n *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keydown event to be handled.\n */\nTerminal.prototype.keyDown = function(ev) {\n  if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {\n    return false;\n  }\n\n  this.restartCursorBlinking();\n\n  if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {\n    if (this.buffer.ybase !== this.buffer.ydisp) {\n      this.scrollToBottom();\n    }\n    return false;\n  }\n\n  var self = this;\n  var result = this.evaluateKeyEscapeSequence(ev);\n\n  if (result.key === C0.DC3) { // XOFF\n    this.writeStopped = true;\n  } else if (result.key === C0.DC1) { // XON\n    this.writeStopped = false;\n  }\n\n  if (result.scrollDisp) {\n    this.scrollDisp(result.scrollDisp);\n    return this.cancel(ev, true);\n  }\n\n  if (isThirdLevelShift(this, ev)) {\n    return true;\n  }\n\n  if (result.cancel) {\n    // The event is canceled at the end already, is this necessary?\n    this.cancel(ev, true);\n  }\n\n  if (!result.key) {\n    return true;\n  }\n\n  this.emit('keydown', ev);\n  this.emit('key', result.key, ev);\n  this.showCursor();\n  this.handler(result.key);\n\n  return this.cancel(ev, true);\n};\n\n/**\n * Returns an object that determines how a KeyboardEvent should be handled. The key of the\n * returned value is the new key code to pass to the PTY.\n *\n * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.\n */\nTerminal.prototype.evaluateKeyEscapeSequence = function(ev) {\n  var result = {\n    // Whether to cancel event propogation (NOTE: this may not be needed since the event is\n    // canceled at the end of keyDown\n    cancel: false,\n    // The new key even to emit\n    key: undefined,\n    // The number of characters to scroll, if this is defined it will cancel the event\n    scrollDisp: undefined\n  };\n  var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;\n  switch (ev.keyCode) {\n    case 8:\n      // backspace\n      if (ev.shiftKey) {\n        result.key = C0.BS; // ^H\n        break;\n      }\n      result.key = C0.DEL; // ^?\n      break;\n    case 9:\n      // tab\n      if (ev.shiftKey) {\n        result.key = C0.ESC + '[Z';\n        break;\n      }\n      result.key = C0.HT;\n      result.cancel = true;\n      break;\n    case 13:\n      // return/enter\n      result.key = C0.CR;\n      result.cancel = true;\n      break;\n    case 27:\n      // escape\n      result.key = C0.ESC;\n      result.cancel = true;\n      break;\n    case 37:\n      // left-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';\n        // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key == C0.ESC + '[1;3D') {\n          result.key = (this.browser.isMac) ? C0.ESC + 'b' : C0.ESC + '[1;5D';\n        }\n      } else if (this.applicationCursor) {\n        result.key = C0.ESC + 'OD';\n      } else {\n        result.key = C0.ESC + '[D';\n      }\n      break;\n    case 39:\n      // right-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';\n        // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n        // http://unix.stackexchange.com/a/108106\n        // macOS uses different escape sequences than linux\n        if (result.key == C0.ESC + '[1;3C') {\n          result.key = (this.browser.isMac) ? C0.ESC + 'f' : C0.ESC + '[1;5C';\n        }\n      } else if (this.applicationCursor) {\n        result.key = C0.ESC + 'OC';\n      } else {\n        result.key = C0.ESC + '[C';\n      }\n      break;\n    case 38:\n      // up-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';\n        // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n        // http://unix.stackexchange.com/a/108106\n        if (result.key == C0.ESC + '[1;3A') {\n          result.key = C0.ESC + '[1;5A';\n        }\n      } else if (this.applicationCursor) {\n        result.key = C0.ESC + 'OA';\n      } else {\n        result.key = C0.ESC + '[A';\n      }\n      break;\n    case 40:\n      // down-arrow\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';\n        // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n        // http://unix.stackexchange.com/a/108106\n        if (result.key == C0.ESC + '[1;3B') {\n          result.key = C0.ESC + '[1;5B';\n        }\n      } else if (this.applicationCursor) {\n        result.key = C0.ESC + 'OB';\n      } else {\n        result.key = C0.ESC + '[B';\n      }\n      break;\n    case 45:\n      // insert\n      if (!ev.shiftKey && !ev.ctrlKey) {\n        // <Ctrl> or <Shift> + <Insert> are used to\n        // copy-paste on some systems.\n        result.key = C0.ESC + '[2~';\n      }\n      break;\n    case 46:\n      // delete\n      if (modifiers) {\n        result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[3~';\n      }\n      break;\n    case 36:\n      // home\n      if (modifiers)\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';\n      else if (this.applicationCursor)\n        result.key = C0.ESC + 'OH';\n      else\n        result.key = C0.ESC + '[H';\n      break;\n    case 35:\n      // end\n      if (modifiers)\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';\n      else if (this.applicationCursor)\n        result.key = C0.ESC + 'OF';\n      else\n        result.key = C0.ESC + '[F';\n      break;\n    case 33:\n      // page up\n      if (ev.shiftKey) {\n        result.scrollDisp = -(this.rows - 1);\n      } else {\n        result.key = C0.ESC + '[5~';\n      }\n      break;\n    case 34:\n      // page down\n      if (ev.shiftKey) {\n        result.scrollDisp = this.rows - 1;\n      } else {\n        result.key = C0.ESC + '[6~';\n      }\n      break;\n    case 112:\n      // F1-F12\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';\n      } else {\n        result.key = C0.ESC + 'OP';\n      }\n      break;\n    case 113:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n      } else {\n        result.key = C0.ESC + 'OQ';\n      }\n      break;\n    case 114:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';\n      } else {\n        result.key = C0.ESC + 'OR';\n      }\n      break;\n    case 115:\n      if (modifiers) {\n        result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';\n      } else {\n        result.key = C0.ESC + 'OS';\n      }\n      break;\n    case 116:\n      if (modifiers) {\n        result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[15~';\n      }\n      break;\n    case 117:\n      if (modifiers) {\n        result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[17~';\n      }\n      break;\n    case 118:\n      if (modifiers) {\n        result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[18~';\n      }\n      break;\n    case 119:\n      if (modifiers) {\n        result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[19~';\n      }\n      break;\n    case 120:\n      if (modifiers) {\n        result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[20~';\n      }\n      break;\n    case 121:\n      if (modifiers) {\n        result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[21~';\n      }\n      break;\n    case 122:\n      if (modifiers) {\n        result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[23~';\n      }\n      break;\n    case 123:\n      if (modifiers) {\n        result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';\n      } else {\n        result.key = C0.ESC + '[24~';\n      }\n      break;\n    default:\n      // a-z and space\n      if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n        if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          result.key = String.fromCharCode(ev.keyCode - 64);\n        } else if (ev.keyCode === 32) {\n          // NUL\n          result.key = String.fromCharCode(0);\n        } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n          // escape, file sep, group sep, record sep, unit sep\n          result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n        } else if (ev.keyCode === 56) {\n          // delete\n          result.key = String.fromCharCode(127);\n        } else if (ev.keyCode === 219) {\n          // ^[ - Control Sequence Introducer (CSI)\n          result.key = String.fromCharCode(27);\n        } else if (ev.keyCode === 220) {\n          // ^\\ - String Terminator (ST)\n          result.key = String.fromCharCode(28);\n        } else if (ev.keyCode === 221) {\n          // ^] - Operating System Command (OSC)\n          result.key = String.fromCharCode(29);\n        }\n      } else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {\n        // On Mac this is a third level shift. Use <Esc> instead.\n        if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n          result.key = C0.ESC + String.fromCharCode(ev.keyCode + 32);\n        } else if (ev.keyCode === 192) {\n          result.key = C0.ESC + '`';\n        } else if (ev.keyCode >= 48 && ev.keyCode <= 57) {\n          result.key = C0.ESC + (ev.keyCode - 48);\n        }\n      } else if (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {\n        if (ev.keyCode === 65) { // cmd + a\n          this.selectAll();\n        }\n      }\n      break;\n  }\n\n  return result;\n};\n\n/**\n * Set the G level of the terminal\n * @param g\n */\nTerminal.prototype.setgLevel = function(g) {\n  this.glevel = g;\n  this.charset = this.charsets[g];\n};\n\n/**\n * Set the charset for the given G level of the terminal\n * @param g\n * @param charset\n */\nTerminal.prototype.setgCharset = function(g, charset) {\n  this.charsets[g] = charset;\n  if (this.glevel === g) {\n    this.charset = charset;\n  }\n};\n\n/**\n * Handle a keypress event.\n * Key Resources:\n *   - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keypress event to be handled.\n */\nTerminal.prototype.keyPress = function(ev) {\n  var key;\n\n  if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {\n    return false;\n  }\n\n  this.cancel(ev);\n\n  if (ev.charCode) {\n    key = ev.charCode;\n  } else if (ev.which == null) {\n    key = ev.keyCode;\n  } else if (ev.which !== 0 && ev.charCode !== 0) {\n    key = ev.which;\n  } else {\n    return false;\n  }\n\n  if (!key || (\n    (ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev)\n  )) {\n    return false;\n  }\n\n  key = String.fromCharCode(key);\n\n  this.emit('keypress', key, ev);\n  this.emit('key', key, ev);\n  this.showCursor();\n  this.handler(key);\n\n  return true;\n};\n\n/**\n * Send data for handling to the terminal\n * @param {string} data\n */\nTerminal.prototype.send = function(data) {\n  var self = this;\n\n  if (!this.queue) {\n    setTimeout(function() {\n      self.handler(self.queue);\n      self.queue = '';\n    }, 1);\n  }\n\n  this.queue += data;\n};\n\n/**\n * Ring the bell.\n * Note: We could do sweet things with webaudio here\n */\nTerminal.prototype.bell = function() {\n  if (!this.visualBell) return;\n  var self = this;\n  this.element.style.borderColor = 'white';\n  setTimeout(function() {\n    self.element.style.borderColor = '';\n  }, 10);\n  if (this.popOnBell) this.focus();\n};\n\n/**\n * Log the current state to the console.\n */\nTerminal.prototype.log = function() {\n  if (!this.debug) return;\n  if (!this.context.console || !this.context.console.log) return;\n  var args = Array.prototype.slice.call(arguments);\n  this.context.console.log.apply(this.context.console, args);\n};\n\n/**\n * Log the current state as error to the console.\n */\nTerminal.prototype.error = function() {\n  if (!this.debug) return;\n  if (!this.context.console || !this.context.console.error) return;\n  var args = Array.prototype.slice.call(arguments);\n  this.context.console.error.apply(this.context.console, args);\n};\n\n/**\n * Resizes the terminal.\n *\n * @param {number} x The number of columns to resize to.\n * @param {number} y The number of rows to resize to.\n */\nTerminal.prototype.resize = function(x, y) {\n  if (isNaN(x) || isNaN(y)) {\n    return;\n  }\n\n  if (y > this.getOption('scrollback')) {\n    this.setOption('scrollback', y)\n  }\n\n  var line\n  , el\n  , i\n  , j\n  , ch\n  , addToY;\n\n  if (x === this.cols && y === this.rows) {\n    // Check if we still need to measure the char size (fixes #785).\n    if (!this.charMeasure.width || !this.charMeasure.height) {\n      this.charMeasure.measure();\n    }\n    return;\n  }\n\n  if (x < 1) x = 1;\n  if (y < 1) y = 1;\n\n  this.buffers.resize(x, y);\n\n  // Adjust rows in the DOM to accurately reflect the new dimensions\n  while (this.children.length < y) {\n    this.insertRow();\n  }\n  while (this.children.length > y) {\n    el = this.children.shift();\n    if (!el) continue;\n    el.parentNode.removeChild(el);\n  }\n\n  this.cols = x;\n  this.rows = y;\n  this.setupStops(this.cols);\n\n  this.charMeasure.measure();\n\n  this.refresh(0, this.rows - 1);\n\n  this.geometry = [this.cols, this.rows];\n  this.emit('resize', {terminal: this, cols: x, rows: y});\n};\n\n/**\n * Updates the range of rows to refresh\n * @param {number} y The number of rows to refresh next.\n */\nTerminal.prototype.updateRange = function(y) {\n  if (y < this.refreshStart) this.refreshStart = y;\n  if (y > this.refreshEnd) this.refreshEnd = y;\n  // if (y > this.refreshEnd) {\n  //   this.refreshEnd = y;\n  //   if (y > this.rows - 1) {\n  //     this.refreshEnd = this.rows - 1;\n  //   }\n  // }\n};\n\n/**\n * Set the range of refreshing to the maximum value\n */\nTerminal.prototype.maxRange = function() {\n  this.refreshStart = 0;\n  this.refreshEnd = this.rows - 1;\n};\n\n\n\n/**\n * Setup the tab stops.\n * @param {number} i\n */\nTerminal.prototype.setupStops = function(i) {\n  if (i != null) {\n    if (!this.buffer.tabs[i]) {\n      i = this.prevStop(i);\n    }\n  } else {\n    this.buffer.tabs = {};\n    i = 0;\n  }\n\n  for (; i < this.cols; i += this.getOption('tabStopWidth')) {\n    this.buffer.tabs[i] = true;\n  }\n};\n\n\n/**\n * Move the cursor to the previous tab stop from the given position (default is current).\n * @param {number} x The position to move the cursor to the previous tab stop.\n */\nTerminal.prototype.prevStop = function(x) {\n  if (x == null) x = this.buffer.x;\n  while (!this.buffer.tabs[--x] && x > 0);\n  return x >= this.cols\n    ? this.cols - 1\n  : x < 0 ? 0 : x;\n};\n\n\n/**\n * Move the cursor one tab stop forward from the given position (default is current).\n * @param {number} x The position to move the cursor one tab stop forward.\n */\nTerminal.prototype.nextStop = function(x) {\n  if (x == null) x = this.buffer.x;\n  while (!this.buffer.tabs[++x] && x < this.cols);\n  return x >= this.cols\n    ? this.cols - 1\n  : x < 0 ? 0 : x;\n};\n\n\n/**\n * Erase in the identified line everything from \"x\" to the end of the line (right).\n * @param {number} x The column from which to start erasing to the end of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseRight = function(x, y) {\n  var line = this.buffer.lines.get(this.buffer.ybase + y);\n  if (!line) {\n    return;\n  }\n  var ch = [this.eraseAttr(), ' ', 1]; // xterm\n  for (; x < this.cols; x++) {\n    line[x] = ch;\n  }\n  this.updateRange(y);\n};\n\n\n\n/**\n * Erase in the identified line everything from \"x\" to the start of the line (left).\n * @param {number} x The column from which to start erasing to the start of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseLeft = function(x, y) {\n  var line = this.buffer.lines.get(this.buffer.ybase + y);\n  if (!line) {\n    return;\n  }\n  var ch = [this.eraseAttr(), ' ', 1]; // xterm\n  x++;\n  while (x--) {\n    line[x] = ch;\n  }\n  this.updateRange(y);\n};\n\n/**\n * Clears the entire buffer, making the prompt line the new first line.\n */\nTerminal.prototype.clear = function() {\n  if (this.buffer.ybase === 0 && this.buffer.y === 0) {\n    // Don't clear if it's already clear\n    return;\n  }\n  this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y));\n  this.buffer.lines.length = 1;\n  this.buffer.ydisp = 0;\n  this.buffer.ybase = 0;\n  this.buffer.y = 0;\n  for (var i = 1; i < this.rows; i++) {\n    this.buffer.lines.push(this.blankLine());\n  }\n  this.refresh(0, this.rows - 1);\n  this.emit('scroll', this.buffer.ydisp);\n};\n\n/**\n * Erase all content in the given line\n * @param {number} y The line to erase all of its contents.\n */\nTerminal.prototype.eraseLine = function(y) {\n  this.eraseRight(0, y);\n};\n\n\n/**\n * Return the data array of a blank line\n * @param {number} cur First bunch of data for each \"blank\" character.\n * @param {boolean} isWrapped Whether the new line is wrapped from the previous line.\n */\nTerminal.prototype.blankLine = function(cur, isWrapped, cols) {\n  var attr = cur\n  ? this.eraseAttr()\n  : this.defAttr;\n\n  var ch = [attr, ' ', 1]  // width defaults to 1 halfwidth character\n  , line = []\n  , i = 0;\n\n  // TODO: It is not ideal that this is a property on an array, a buffer line\n  // class should be added that will hold this data and other useful functions.\n  if (isWrapped) {\n    line.isWrapped = isWrapped;\n  }\n\n  cols = cols || this.cols;\n  for (; i < cols; i++) {\n    line[i] = ch;\n  }\n\n  return line;\n};\n\n\n/**\n * If cur return the back color xterm feature attribute. Else return defAttr.\n * @param {object} cur\n */\nTerminal.prototype.ch = function(cur) {\n  return cur\n    ? [this.eraseAttr(), ' ', 1]\n  : [this.defAttr, ' ', 1];\n};\n\n\n/**\n * Evaluate if the current terminal is the given argument.\n * @param {object} term The terminal to evaluate\n */\nTerminal.prototype.is = function(term) {\n  var name = this.termName;\n  return (name + '').indexOf(term) === 0;\n};\n\n\n/**\n * Emit the 'data' event and populate the given data.\n * @param {string} data The data to populate in the event.\n */\nTerminal.prototype.handler = function(data) {\n  // Prevents all events to pty process if stdin is disabled\n  if (this.options.disableStdin) {\n    return;\n  }\n\n  // Clear the selection if the selection manager is available and has an active selection\n  if (this.selectionManager && this.selectionManager.hasSelection) {\n    this.selectionManager.clearSelection();\n  }\n\n  // Input is being sent to the terminal, the terminal should focus the prompt.\n  if (this.buffer.ybase !== this.buffer.ydisp) {\n    this.scrollToBottom();\n  }\n  this.emit('data', data);\n};\n\n\n/**\n * Emit the 'title' event and populate the given title.\n * @param {string} title The title to populate in the event.\n */\nTerminal.prototype.handleTitle = function(title) {\n  /**\n   * This event is emitted when the title of the terminal is changed\n   * from inside the terminal. The parameter is the new title.\n   *\n   * @event title\n   */\n  this.emit('title', title);\n};\n\n\n/**\n * ESC\n */\n\n/**\n * ESC D Index (IND is 0x84).\n */\nTerminal.prototype.index = function() {\n  this.buffer.y++;\n  if (this.buffer.y > this.buffer.scrollBottom) {\n    this.buffer.y--;\n    this.scroll();\n  }\n  // If the end of the line is hit, prevent this action from wrapping around to the next line.\n  if (this.buffer.x >= this.cols) {\n    this.buffer.x--;\n  }\n};\n\n\n/**\n * ESC M Reverse Index (RI is 0x8d).\n *\n * Move the cursor up one row, inserting a new blank line if necessary.\n */\nTerminal.prototype.reverseIndex = function() {\n  var j;\n  if (this.buffer.y === this.buffer.scrollTop) {\n    // possibly move the code below to term.reverseScroll();\n    // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n    // blankLine(true) is xterm/linux behavior\n    this.buffer.lines.shiftElements(this.buffer.y + this.buffer.ybase, this.rows - 1, 1);\n    this.buffer.lines.set(this.buffer.y + this.buffer.ybase, this.blankLine(true));\n    this.updateRange(this.buffer.scrollTop);\n    this.updateRange(this.buffer.scrollBottom);\n  } else {\n    this.buffer.y--;\n  }\n};\n\n\n/**\n * ESC c Full Reset (RIS).\n */\nTerminal.prototype.reset = function() {\n  this.options.rows = this.rows;\n  this.options.cols = this.cols;\n  var customKeyEventHandler = this.customKeyEventHandler;\n  var cursorBlinkInterval = this.cursorBlinkInterval;\n  var inputHandler = this.inputHandler;\n  Terminal.call(this, this.options);\n  this.customKeyEventHandler = customKeyEventHandler;\n  this.cursorBlinkInterval = cursorBlinkInterval;\n  this.inputHandler = inputHandler;\n  this.refresh(0, this.rows - 1);\n  this.viewport.syncScrollArea();\n};\n\n\n/**\n * ESC H Tab Set (HTS is 0x88).\n */\nTerminal.prototype.tabSet = function() {\n  this.buffer.tabs[this.buffer.x] = true;\n};\n\n/**\n * Helpers\n */\n\nfunction on(el, type, handler, capture) {\n  if (!Array.isArray(el)) {\n    el = [el];\n  }\n  el.forEach(function (element) {\n    element.addEventListener(type, handler, capture || false);\n  });\n}\n\nfunction off(el, type, handler, capture) {\n  el.removeEventListener(type, handler, capture || false);\n}\n\nfunction cancel(ev, force) {\n  if (!this.cancelEvents && !force) {\n    return;\n  }\n  ev.preventDefault();\n  ev.stopPropagation();\n  return false;\n}\n\nfunction inherits(child, parent) {\n  function f() {\n    this.constructor = child;\n  }\n  f.prototype = parent.prototype;\n  child.prototype = new f;\n}\n\nfunction indexOf(obj, el) {\n  var i = obj.length;\n  while (i--) {\n    if (obj[i] === el) return i;\n  }\n  return -1;\n}\n\nfunction isThirdLevelShift(term, ev) {\n  var thirdLevelKey =\n      (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n      (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n  if (ev.type == 'keypress') {\n    return thirdLevelKey;\n  }\n\n  // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n  return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n}\n\n// Expose to InputHandler (temporary)\nTerminal.prototype.matchColor = matchColor;\n\nfunction matchColor(r1, g1, b1) {\n  var hash = (r1 << 16) | (g1 << 8) | b1;\n\n  if (matchColor._cache[hash] != null) {\n    return matchColor._cache[hash];\n  }\n\n  var ldiff = Infinity\n  , li = -1\n  , i = 0\n  , c\n  , r2\n  , g2\n  , b2\n  , diff;\n\n  for (; i < Terminal.vcolors.length; i++) {\n    c = Terminal.vcolors[i];\n    r2 = c[0];\n    g2 = c[1];\n    b2 = c[2];\n\n    diff = matchColor.distance(r1, g1, b1, r2, g2, b2);\n\n    if (diff === 0) {\n      li = i;\n      break;\n    }\n\n    if (diff < ldiff) {\n      ldiff = diff;\n      li = i;\n    }\n  }\n\n  return matchColor._cache[hash] = li;\n}\n\nmatchColor._cache = {};\n\n// http://stackoverflow.com/questions/1633828\nmatchColor.distance = function(r1, g1, b1, r2, g2, b2) {\n  return Math.pow(30 * (r1 - r2), 2)\n    + Math.pow(59 * (g1 - g2), 2)\n    + Math.pow(11 * (b1 - b2), 2);\n};\n\nfunction each(obj, iter, con) {\n  if (obj.forEach) return obj.forEach(iter, con);\n  for (var i = 0; i < obj.length; i++) {\n    iter.call(con, obj[i], i, obj);\n  }\n}\n\nfunction wasMondifierKeyOnlyEvent(ev) {\n  return ev.keyCode === 16 || // Shift\n    ev.keyCode === 17 || // Ctrl\n    ev.keyCode === 18; // Alt\n}\n\nfunction keys(obj) {\n  if (Object.keys) return Object.keys(obj);\n  var key, keys = [];\n  for (key in obj) {\n    if (Object.prototype.hasOwnProperty.call(obj, key)) {\n      keys.push(key);\n    }\n  }\n  return keys;\n}\n\n/**\n * Expose\n */\n\nTerminal.translateBufferLineToString = translateBufferLineToString;\nTerminal.EventEmitter = EventEmitter;\nTerminal.inherits = inherits;\n\n/**\n * Adds an event listener to the terminal.\n *\n * @param {string} event The name of the event. TODO: Document all event types\n * @param {function} callback The function to call when the event is triggered.\n */\nTerminal.on = on;\nTerminal.off = off;\nTerminal.cancel = cancel;\n\nmodule.exports = Terminal;\n","/**\n * @license MIT\n */\n\nimport { CharMeasure } from './CharMeasure';\n\nexport function getCoordsRelativeToElement(event: MouseEvent, element: HTMLElement): [number, number] {\n  // Ignore browsers that don't support MouseEvent.pageX\n  if (event.pageX == null) {\n    return null;\n  }\n\n  let x = event.pageX;\n  let y = event.pageY;\n\n  // Converts the coordinates from being relative to the document to being\n  // relative to the terminal.\n  while (element && element !== self.document.documentElement) {\n    x -= element.offsetLeft;\n    y -= element.offsetTop;\n    element = 'offsetParent' in element ? <HTMLElement>element.offsetParent : <HTMLElement>element.parentElement;\n  }\n  return [x, y];\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event. The result\n * is returned as an array in the form [x, y] instead of an object as it's a\n * little faster and this function is used in some low level code.\n * @param event The mouse event.\n * @param rowContainer The terminal's row container.\n * @param charMeasure The char measure object used to determine character sizes.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows n the terminal.\n * @param isSelection Whether the request is for the selection or not. This will\n * apply an offset to the x value such that the left half of the cell will\n * select that cell and the right half will select the next cell.\n */\nexport function getCoords(event: MouseEvent, rowContainer: HTMLElement, charMeasure: CharMeasure, colCount: number, rowCount: number, isSelection?: boolean): [number, number] {\n  // Coordinates cannot be measured if charMeasure has not been initialized\n  if (!charMeasure.width || !charMeasure.height) {\n    return null;\n  }\n\n  const coords = getCoordsRelativeToElement(event, rowContainer);\n  if (!coords) {\n    return null;\n  }\n\n  // Convert to cols/rows.\n  coords[0] = Math.ceil((coords[0] + (isSelection ? charMeasure.width / 2 : 0)) / charMeasure.width);\n  coords[1] = Math.ceil(coords[1] / charMeasure.height);\n\n  // Ensure coordinates are within the terminal viewport.\n  coords[0] = Math.min(Math.max(coords[0], 1), colCount + 1);\n  coords[1] = Math.min(Math.max(coords[1], 1), rowCount + 1);\n\n  return coords;\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event, wrapping\n * them to the bounds of the terminal and adding 32 to both the x and y values\n * as expected by xterm.\n * @param event The mouse event.\n * @param rowContainer The terminal's row container.\n * @param charMeasure The char measure object used to determine character sizes.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows in the terminal.\n */\nexport function getRawByteCoords(event: MouseEvent, rowContainer: HTMLElement, charMeasure: CharMeasure, colCount: number, rowCount: number): { x: number, y: number } {\n  const coords = getCoords(event, rowContainer, charMeasure, colCount, rowCount);\n  let x = coords[0];\n  let y = coords[1];\n\n  // xterm sends raw bytes and starts at 32 (SP) for each.\n  x += 32;\n  y += 32;\n\n  return { x, y };\n}\n","/**\n * Generic utilities module with methods that can be helpful at different parts of the code base.\n * @module xterm/utils/Generic\n * @license MIT\n */\n\n/**\n * Return if the given array contains the given element\n * @param {Array} array The array to search for the given element.\n * @param {Object} el The element to look for into the array\n */\nexport function contains(arr: any[], el: any) {\n  return arr.indexOf(el) >= 0;\n};\n","/**\n * @module xterm/utils/DomElementObjectPool\n * @license MIT\n */\n\n/**\n * An object pool that manages acquisition and releasing of DOM elements for\n * when reuse is desirable.\n */\nexport class DomElementObjectPool {\n  private static readonly OBJECT_ID_ATTRIBUTE = 'data-obj-id';\n\n  private static _objectCount = 0;\n\n  private _type: string;\n  private _pool: HTMLElement[];\n  private _inUse: {[key: string]: HTMLElement};\n\n  /**\n   * @param type The DOM element type (div, span, etc.).\n   */\n  constructor(private type: string) {\n    this._type = type;\n    this._pool = [];\n    this._inUse = {};\n  }\n\n  /**\n   * Acquire an element from the pool, creating it if the pool is empty.\n   */\n  public acquire(): HTMLElement {\n    let element: HTMLElement;\n    if (this._pool.length === 0) {\n      element = this._createNew();\n    } else {\n      element = this._pool.pop();\n    }\n    this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)] = element;\n    return element;\n  }\n\n  /**\n   * Release an element back into the pool. It's up to the caller of this\n   * function to ensure that all external references to the element have been\n   * removed.\n   * @param element The element being released.\n   */\n  public release(element: HTMLElement): void {\n    if (!this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)]) {\n      throw new Error('Could not release an element not yet acquired');\n    }\n    delete this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)];\n    this._cleanElement(element);\n    this._pool.push(element);\n  }\n\n  /**\n   * Creates a new element for the pool.\n   */\n  private _createNew(): HTMLElement {\n    const element = document.createElement(this._type);\n    const id = DomElementObjectPool._objectCount++;\n    element.setAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE, id.toString(10));\n    return element;\n  }\n\n  /**\n   * Resets an element back to a \"clean state\".\n   * @param element The element to be cleaned.\n   */\n  private _cleanElement(element: HTMLElement): void {\n    element.className = '';\n    element.innerHTML = '';\n  }\n}\n","/**\n * Represents a circular list; a list with a maximum size that wraps around when push is called,\n * overriding values at the start of the list.\n * @module xterm/utils/CircularList\n * @license MIT\n */\nimport { EventEmitter } from '../EventEmitter';\nimport { ICircularList } from '../Interfaces';\n\nexport class CircularList<T> extends EventEmitter implements ICircularList<T> {\n  private _array: T[];\n  private _startIndex: number;\n  private _length: number;\n\n  constructor(maxLength: number) {\n    super();\n    this._array = new Array<T>(maxLength);\n    this._startIndex = 0;\n    this._length = 0;\n  }\n\n  public get maxLength(): number {\n    return this._array.length;\n  }\n\n  public set maxLength(newMaxLength: number) {\n    // Reconstruct array, starting at index 0. Only transfer values from the\n    // indexes 0 to length.\n    let newArray = new Array<T>(newMaxLength);\n    for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {\n      newArray[i] = this._array[this._getCyclicIndex(i)];\n    }\n    this._array = newArray;\n    this._startIndex = 0;\n  }\n\n  public get length(): number {\n    return this._length;\n  }\n\n  public set length(newLength: number) {\n    if (newLength > this._length) {\n      for (let i = this._length; i < newLength; i++) {\n        this._array[i] = undefined;\n      }\n    }\n    this._length = newLength;\n  }\n\n  public get forEach(): (callbackfn: (value: T, index: number) => void) => void {\n    return (callbackfn: (value: T, index: number) => void) => {\n      let i = 0;\n      let length = this.length;\n      for (let i = 0; i < length; i++) {\n        callbackfn(this.get(i), i);\n      }\n    };\n  }\n\n  /**\n   * Gets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index of the value to get.\n   * @return The value corresponding to the index.\n   */\n  public get(index: number): T {\n    return this._array[this._getCyclicIndex(index)];\n  }\n\n  /**\n   * Sets the value at an index.\n   *\n   * Note that for performance reasons there is no bounds checking here, the index reference is\n   * circular so this should always return a value and never throw.\n   * @param index The index to set.\n   * @param value The value to set.\n   */\n  public set(index: number, value: T): void {\n    this._array[this._getCyclicIndex(index)] = value;\n  }\n\n  /**\n   * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0\n   * if the maximum length is reached.\n   * @param value The value to push onto the list.\n   */\n  public push(value: T): void {\n    this._array[this._getCyclicIndex(this._length)] = value;\n    if (this._length === this.maxLength) {\n      this._startIndex++;\n      if (this._startIndex === this.maxLength) {\n        this._startIndex = 0;\n      }\n      this.emit('trim', 1);\n    } else {\n      this._length++;\n    }\n  }\n\n  /**\n   * Removes and returns the last value on the list.\n   * @return The popped value.\n   */\n  public pop(): T {\n    return this._array[this._getCyclicIndex(this._length-- - 1)];\n  }\n\n  /**\n   * Deletes and/or inserts items at a particular index (in that order). Unlike\n   * Array.prototype.splice, this operation does not return the deleted items as a new array in\n   * order to save creating a new array. Note that this operation may shift all values in the list\n   * in the worst case.\n   * @param start The index to delete and/or insert.\n   * @param deleteCount The number of elements to delete.\n   * @param items The items to insert.\n   */\n  public splice(start: number, deleteCount: number, ...items: T[]): void {\n    // Delete items\n    if (deleteCount) {\n      for (let i = start; i < this._length - deleteCount; i++) {\n        this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n      }\n      this._length -= deleteCount;\n    }\n\n    if (items && items.length) {\n      // Add items\n      for (let i = this._length - 1; i >= start; i--) {\n        this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n      }\n      for (let i = 0; i < items.length; i++) {\n        this._array[this._getCyclicIndex(start + i)] = items[i];\n      }\n\n      // Adjust length as needed\n      if (this._length + items.length > this.maxLength) {\n        const countToTrim = (this._length + items.length) - this.maxLength;\n        this._startIndex += countToTrim;\n        this._length = this.maxLength;\n        this.emit('trim', countToTrim);\n      } else {\n        this._length += items.length;\n      }\n    }\n  }\n\n  /**\n   * Trims a number of items from the start of the list.\n   * @param count The number of items to remove.\n   */\n  public trimStart(count: number): void {\n    if (count > this._length) {\n      count = this._length;\n    }\n    this._startIndex += count;\n    this._length -= count;\n    this.emit('trim', count);\n  }\n\n  public shiftElements(start: number, count: number, offset: number): void {\n    if (count <= 0) {\n      return;\n    }\n    if (start < 0 || start >= this._length) {\n      throw new Error('start argument out of range');\n    }\n    if (start + offset < 0) {\n      throw new Error('Cannot shift elements in list beyond index 0');\n    }\n\n    if (offset > 0) {\n      for (let i = count - 1; i >= 0; i--) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n      const expandListBy = (start + count + offset) - this._length;\n      if (expandListBy > 0) {\n        this._length += expandListBy;\n        while (this._length > this.maxLength) {\n          this._length--;\n          this._startIndex++;\n          this.emit('trim', 1);\n        }\n      }\n    } else {\n      for (let i = 0; i < count; i++) {\n        this.set(start + i + offset, this.get(start + i));\n      }\n    }\n  }\n\n  /**\n   * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the\n   * backing array to get the element associated with the regular index.\n   * @param index The regular index.\n   * @returns The cyclic index.\n   */\n  private _getCyclicIndex(index: number): number {\n    return (this._startIndex + index) % this.maxLength;\n  }\n}\n","/**\n * @module xterm/utils/CharMeasure\n * @license MIT\n */\n\nimport { EventEmitter } from '../EventEmitter.js';\n\n/**\n * Utility class that measures the size of a character.\n */\nexport class CharMeasure extends EventEmitter {\n  private _document: Document;\n  private _parentElement: HTMLElement;\n  private _measureElement: HTMLElement;\n  private _width: number;\n  private _height: number;\n\n  constructor(document: Document, parentElement: HTMLElement) {\n    super();\n    this._document = document;\n    this._parentElement = parentElement;\n  }\n\n  public get width(): number {\n    return this._width;\n  }\n\n  public get height(): number {\n    return this._height;\n  }\n\n  public measure(): void {\n    if (!this._measureElement) {\n      this._measureElement = this._document.createElement('span');\n      this._measureElement.style.position = 'absolute';\n      this._measureElement.style.top = '0';\n      this._measureElement.style.left = '-9999em';\n      this._measureElement.textContent = 'W';\n      this._measureElement.setAttribute('aria-hidden', 'true');\n      this._parentElement.appendChild(this._measureElement);\n      // Perform _doMeasure async if the element was just attached as sometimes\n      // getBoundingClientRect does not return accurate values without this.\n      setTimeout(() => this._doMeasure(), 0);\n    } else {\n      this._doMeasure();\n    }\n  }\n\n  private _doMeasure(): void {\n    const geometry = this._measureElement.getBoundingClientRect();\n    // The element is likely currently display:none, we should retain the\n    // previous value.\n    if (geometry.width === 0 || geometry.height === 0) {\n      return;\n    }\n    if (this._width !== geometry.width || this._height !== geometry.height) {\n      this._width = geometry.width;\n      this._height = geometry.height;\n      this.emit('charsizechanged');\n    }\n  }\n}\n","/**\n * @license MIT\n */\n\n// TODO: This module should be merged into a buffer or buffer line class\n\nconst LINE_DATA_CHAR_INDEX = 1;\nconst LINE_DATA_WIDTH_INDEX = 2;\n\n/**\n * Translates a buffer line to a string, with optional start and end columns.\n * Wide characters will count as two columns in the resulting string. This\n * function is useful for getting the actual text underneath the raw selection\n * position.\n * @param line The line being translated.\n * @param trimRight Whether to trim whitespace to the right.\n * @param startCol The column to start at.\n * @param endCol The column to end at.\n */\nexport function translateBufferLineToString(line: any, trimRight: boolean, startCol: number = 0, endCol: number = null): string {\n  // Get full line\n  let lineString = '';\n  let widthAdjustedStartCol = startCol;\n  let widthAdjustedEndCol = endCol;\n  for (let i = 0; i < line.length; i++) {\n    const char = line[i];\n    lineString += char[LINE_DATA_CHAR_INDEX];\n    // Adjust start and end cols for wide characters if they affect their\n    // column indexes\n    if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n      if (startCol >= i) {\n        widthAdjustedStartCol--;\n      }\n      if (endCol >= i) {\n        widthAdjustedEndCol--;\n      }\n    }\n  }\n\n  // Calculate the final end col by trimming whitespace on the right of the\n  // line if needed.\n  let finalEndCol = widthAdjustedEndCol || line.length;\n  if (trimRight) {\n    const rightWhitespaceIndex = lineString.search(/\\s+$/);\n    if (rightWhitespaceIndex !== -1) {\n      finalEndCol = Math.min(finalEndCol, rightWhitespaceIndex);\n    }\n    // Return the empty string if only trimmed whitespace is selected\n    if (finalEndCol <= widthAdjustedStartCol) {\n      return '';\n    }\n  }\n\n  return lineString.substring(widthAdjustedStartCol, finalEndCol);\n}\n","/**\n * Attributes and methods to help with identifying the current browser and platform.\n * @module xterm/utils/Browser\n * @license MIT\n */\n\nimport { contains } from './Generic';\n\nconst isNode = (typeof navigator === 'undefined') ? true : false;\nconst userAgent = (isNode) ? 'node' : navigator.userAgent;\nconst platform = (isNode) ? 'node' : navigator.platform;\n\nexport const isFirefox = !!~userAgent.indexOf('Firefox');\nexport const isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport const isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport const isIpad = platform === 'iPad';\nexport const isIphone = platform === 'iPhone';\nexport const isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\nexport const isLinux = platform.indexOf('Linux') >= 0;\n","/**\n * Clipboard handler module: exports methods for handling all clipboard-related events in the\n * terminal.\n * @module xterm/handlers/Clipboard\n * @license MIT\n */\n\nimport { ITerminal, ISelectionManager } from '../Interfaces';\n\ninterface IWindow extends Window {\n  clipboardData?: {\n    getData(format: string): string;\n    setData(format: string, data: string);\n  };\n}\n\ndeclare var window: IWindow;\n\n/**\n * Prepares text to be pasted into the terminal by normalizing the line endings\n * @param text The pasted text that needs processing before inserting into the terminal\n */\nexport function prepareTextForTerminal(text: string, isMSWindows: boolean): string {\n  if (isMSWindows) {\n    return text.replace(/\\r?\\n/g, '\\r');\n  }\n  return text;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param {ClipboardEvent} ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, term: ITerminal, selectionManager: ISelectionManager) {\n  if (term.browser.isMSIE) {\n    window.clipboardData.setData('Text', selectionManager.selectionText);\n  } else {\n    ev.clipboardData.setData('text/plain', selectionManager.selectionText);\n  }\n\n  // Prevent or the original text will be copied.\n  ev.preventDefault();\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param {ClipboardEvent} ev The original paste event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nexport function pasteHandler(ev: ClipboardEvent, term: ITerminal) {\n  ev.stopPropagation();\n\n  let text: string;\n\n  let dispatchPaste = function(text) {\n    text = prepareTextForTerminal(text, term.browser.isMSWindows);\n    term.handler(text);\n    term.textarea.value = '';\n    term.emit('paste', text);\n\n    return term.cancel(ev);\n  };\n\n  if (term.browser.isMSIE) {\n    if (window.clipboardData) {\n      text = window.clipboardData.getData('Text');\n      dispatchPaste(text);\n    }\n  } else {\n    if (ev.clipboardData) {\n      text = ev.clipboardData.getData('text/plain');\n      dispatchPaste(text);\n    }\n  }\n}\n\n/**\n * Moves the textarea under the mouse cursor and focuses it.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n */\nexport function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement) {\n  // Bring textarea at the cursor position\n  textarea.style.position = 'fixed';\n  textarea.style.width = '20px';\n  textarea.style.height = '20px';\n  textarea.style.left = (ev.clientX - 10) + 'px';\n  textarea.style.top = (ev.clientY - 10) + 'px';\n  textarea.style.zIndex = '1000';\n\n  textarea.focus();\n\n  // Reset the terminal textarea's styling\n  setTimeout(function () {\n    textarea.style.position = null;\n    textarea.style.width = null;\n    textarea.style.height = null;\n    textarea.style.left = null;\n    textarea.style.top = null;\n    textarea.style.zIndex = null;\n  }, 4);\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n * @param selectionManager The terminal's selection manager.\n */\nexport function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, selectionManager: ISelectionManager) {\n  moveTextAreaUnderMouseCursor(ev, textarea);\n\n  // Get textarea ready to copy from the context menu\n  textarea.value = selectionManager.selectionText;\n  textarea.select();\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\nimport { CharMeasure } from './utils/CharMeasure';\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport {\n  private currentRowHeight: number;\n  private lastRecordedBufferLength: number;\n  private lastRecordedViewportHeight: number;\n  private lastTouchY: number;\n\n  /**\n   * Creates a new Viewport.\n   * @param terminal The terminal this viewport belongs to.\n   * @param viewportElement The DOM element acting as the viewport.\n   * @param scrollArea The DOM element acting as the scroll area.\n   * @param charMeasure A DOM element used to measure the character size of. the terminal.\n   */\n  constructor(\n    private terminal: ITerminal,\n    private viewportElement: HTMLElement,\n    private scrollArea: HTMLElement,\n    private charMeasure: CharMeasure\n  ) {\n    this.currentRowHeight = 0;\n    this.lastRecordedBufferLength = 0;\n    this.lastRecordedViewportHeight = 0;\n\n    this.terminal.on('scroll', this.syncScrollArea.bind(this));\n    this.terminal.on('resize', this.syncScrollArea.bind(this));\n    this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));\n\n    // Perform this async to ensure the CharMeasure is ready.\n    setTimeout(() => this.syncScrollArea(), 0);\n  }\n\n  /**\n   * Refreshes row height, setting line-height, viewport height and scroll area height if\n   * necessary.\n   */\n  private refresh(): void {\n    if (this.charMeasure.height > 0) {\n      const rowHeightChanged = this.charMeasure.height !== this.currentRowHeight;\n      if (rowHeightChanged) {\n        this.currentRowHeight = this.charMeasure.height;\n        this.viewportElement.style.lineHeight = this.charMeasure.height + 'px';\n        this.terminal.rowContainer.style.lineHeight = this.charMeasure.height + 'px';\n      }\n      const viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;\n      if (rowHeightChanged || viewportHeightChanged) {\n        this.lastRecordedViewportHeight = this.terminal.rows;\n        this.viewportElement.style.height = this.charMeasure.height * this.terminal.rows + 'px';\n        this.terminal.selectionContainer.style.height = this.viewportElement.style.height;\n      }\n      this.scrollArea.style.height = (this.charMeasure.height * this.lastRecordedBufferLength) + 'px';\n    }\n  }\n\n  /**\n   * Updates dimensions and synchronizes the scroll area if necessary.\n   */\n  public syncScrollArea(): void {\n    if (this.lastRecordedBufferLength !== this.terminal.buffer.lines.length) {\n      // If buffer height changed\n      this.lastRecordedBufferLength = this.terminal.buffer.lines.length;\n      this.refresh();\n    } else if (this.lastRecordedViewportHeight !== this.terminal.rows) {\n      // If viewport height changed\n      this.refresh();\n    } else {\n      // If size has changed, refresh viewport\n      if (this.charMeasure.height !== this.currentRowHeight) {\n        this.refresh();\n      }\n    }\n\n    // Sync scrollTop\n    const scrollTop = this.terminal.buffer.ydisp * this.currentRowHeight;\n    if (this.viewportElement.scrollTop !== scrollTop) {\n      this.viewportElement.scrollTop = scrollTop;\n    }\n  }\n\n  /**\n   * Handles scroll events on the viewport, calculating the new viewport and requesting the\n   * terminal to scroll to it.\n   * @param ev The scroll event.\n   */\n  private onScroll(ev: Event) {\n    const newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);\n    const diff = newRow - this.terminal.buffer.ydisp;\n    this.terminal.scrollDisp(diff, true);\n  }\n\n  /**\n   * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n   * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n   * `Viewport`.\n   * @param ev The mouse wheel event.\n   */\n  public onWheel(ev: WheelEvent) {\n    if (ev.deltaY === 0) {\n      // Do nothing if it's not a vertical scroll event\n      return;\n    }\n    // Fallback to WheelEvent.DOM_DELTA_PIXEL\n    let multiplier = 1;\n    if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n      multiplier = this.currentRowHeight;\n    } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n      multiplier = this.currentRowHeight * this.terminal.rows;\n    }\n    this.viewportElement.scrollTop += ev.deltaY * multiplier;\n    // Prevent the page from scrolling when the terminal scrolls\n    ev.preventDefault();\n  };\n\n  /**\n   * Handles the touchstart event, recording the touch occurred.\n   * @param ev The touch event.\n   */\n  public onTouchStart(ev: TouchEvent) {\n    this.lastTouchY = ev.touches[0].pageY;\n  };\n\n  /**\n   * Handles the touchmove event, scrolling the viewport if the position shifted.\n   * @param ev The touch event.\n   */\n  public onTouchMove(ev: TouchEvent) {\n    let deltaY = this.lastTouchY - ev.touches[0].pageY;\n    this.lastTouchY = ev.touches[0].pageY;\n    if (deltaY === 0) {\n      return;\n    }\n    this.viewportElement.scrollTop += deltaY;\n    ev.preventDefault();\n  };\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\n/**\n * Represents a selection within the buffer. This model only cares about column\n * and row coordinates, not wide characters.\n */\nexport class SelectionModel {\n  /**\n   * Whether select all is currently active.\n   */\n  public isSelectAllActive: boolean;\n\n  /**\n   * The [x, y] position the selection starts at.\n   */\n  public selectionStart: [number, number];\n\n  /**\n   * The minimal length of the selection from the start position. When double\n   * clicking on a word, the word will be selected which makes the selection\n   * start at the start of the word and makes this variable the length.\n   */\n  public selectionStartLength: number;\n\n  /**\n   * The [x, y] position the selection ends at.\n   */\n  public selectionEnd: [number, number];\n\n  constructor(\n    private _terminal: ITerminal\n  ) {\n    this.clearSelection();\n  }\n\n  /**\n   * Clears the current selection.\n   */\n  public clearSelection(): void {\n    this.selectionStart = null;\n    this.selectionEnd = null;\n    this.isSelectAllActive = false;\n    this.selectionStartLength = 0;\n  }\n\n  /**\n   * The final selection start, taking into consideration select all.\n   */\n  public get finalSelectionStart(): [number, number] {\n    if (this.isSelectAllActive) {\n      return [0, 0];\n    }\n\n    if (!this.selectionEnd || !this.selectionStart) {\n      return this.selectionStart;\n    }\n\n    return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n  }\n\n  /**\n   * The final selection end, taking into consideration select all, double click\n   * word selection and triple click line selection.\n   */\n  public get finalSelectionEnd(): [number, number] {\n    if (this.isSelectAllActive) {\n      return [this._terminal.cols, this._terminal.buffer.ybase + this._terminal.rows - 1];\n    }\n\n    if (!this.selectionStart) {\n      return null;\n    }\n\n    // Use the selection start if the end doesn't exist or they're reversed\n    if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n      return [this.selectionStart[0] + this.selectionStartLength, this.selectionStart[1]];\n    }\n\n    // Ensure the the word/line is selected after a double/triple click\n    if (this.selectionStartLength) {\n      // Select the larger of the two when start and end are on the same line\n      if (this.selectionEnd[1] === this.selectionStart[1]) {\n        return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];\n      }\n    }\n    return this.selectionEnd;\n  }\n\n  /**\n   * Returns whether the selection start and end are reversed.\n   */\n  public areSelectionValuesReversed(): boolean {\n    const start = this.selectionStart;\n    const end = this.selectionEnd;\n    return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   * @return Whether a refresh is necessary.\n   */\n  public onTrim(amount: number): boolean {\n    // Adjust the selection position based on the trimmed amount.\n    if (this.selectionStart) {\n      this.selectionStart[1] -= amount;\n    }\n    if (this.selectionEnd) {\n      this.selectionEnd[1] -= amount;\n    }\n\n    // The selection has moved off the buffer, clear it.\n    if (this.selectionEnd && this.selectionEnd[1] < 0) {\n      this.clearSelection();\n      return true;\n    }\n\n    // If the selection start is trimmed, ensure the start column is 0.\n    if (this.selectionStart && this.selectionStart[1] < 0) {\n      this.selectionStart[1] = 0;\n    }\n    return false;\n  }\n}\n","/**\n * @license MIT\n */\n\nimport * as Mouse from './utils/Mouse';\nimport * as Browser from './utils/Browser';\nimport { CharMeasure } from './utils/CharMeasure';\nimport { CircularList } from './utils/CircularList';\nimport { EventEmitter } from './EventEmitter';\nimport { ITerminal, ICircularList } from './Interfaces';\nimport { SelectionModel } from './SelectionModel';\nimport { translateBufferLineToString } from './utils/BufferLine';\n\n/**\n * The number of pixels the mouse needs to be above or below the viewport in\n * order to scroll at the maximum speed.\n */\nconst DRAG_SCROLL_MAX_THRESHOLD = 50;\n\n/**\n * The maximum scrolling speed\n */\nconst DRAG_SCROLL_MAX_SPEED = 15;\n\n/**\n * The number of milliseconds between drag scroll updates.\n */\nconst DRAG_SCROLL_INTERVAL = 50;\n\n/**\n * A string containing all characters that are considered word separated by the\n * double click to select work logic.\n */\nconst WORD_SEPARATORS = ' ()[]{}\\'\"';\n\n// TODO: Move these constants elsewhere, they belong in a buffer or buffer\n//       data/line class.\nconst LINE_DATA_CHAR_INDEX = 1;\nconst LINE_DATA_WIDTH_INDEX = 2;\n\nconst NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nconst ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\n\n/**\n * Represents a position of a word on a line.\n */\ninterface IWordPosition {\n  start: number;\n  length: number;\n}\n\n/**\n * A selection mode, this drives how the selection behaves on mouse move.\n */\nenum SelectionMode {\n  NORMAL,\n  WORD,\n  LINE\n}\n\n/**\n * A class that manages the selection of the terminal. With help from\n * SelectionModel, SelectionManager handles with all logic associated with\n * dealing with the selection, including handling mouse interaction, wide\n * characters and fetching the actual text within the selection. Rendering is\n * not handled by the SelectionManager but a 'refresh' event is fired when the\n * selection is ready to be redrawn.\n */\nexport class SelectionManager extends EventEmitter {\n  protected _model: SelectionModel;\n\n  /**\n   * The amount to scroll every drag scroll update (depends on how far the mouse\n   * drag is above or below the terminal).\n   */\n  private _dragScrollAmount: number;\n\n  /**\n   * The current selection mode.\n   */\n  private _activeSelectionMode: SelectionMode;\n\n  /**\n   * A setInterval timer that is active while the mouse is down whose callback\n   * scrolls the viewport when necessary.\n   */\n  private _dragScrollIntervalTimer: NodeJS.Timer;\n\n  /**\n   * The animation frame ID used for refreshing the selection.\n   */\n  private _refreshAnimationFrame: number;\n\n  /**\n   * Whether selection is enabled.\n   */\n  private _enabled = true;\n\n  private _mouseMoveListener: EventListener;\n  private _mouseUpListener: EventListener;\n\n  constructor(\n    private _terminal: ITerminal,\n    private _buffer: ICircularList<[number, string, number][]>,\n    private _rowContainer: HTMLElement,\n    private _charMeasure: CharMeasure\n  ) {\n    super();\n    this._initListeners();\n    this.enable();\n\n    this._model = new SelectionModel(_terminal);\n    this._activeSelectionMode = SelectionMode.NORMAL;\n  }\n\n  /**\n   * Initializes listener variables.\n   */\n  private _initListeners() {\n    this._mouseMoveListener = event => this._onMouseMove(<MouseEvent>event);\n    this._mouseUpListener = event => this._onMouseUp(<MouseEvent>event);\n\n    this._rowContainer.addEventListener('mousedown', event => this._onMouseDown(<MouseEvent>event));\n\n    // Only adjust the selection on trim, shiftElements is rarely used (only in\n    // reverseIndex) and delete in a splice is only ever used when the same\n    // number of elements was just added. Given this is could actually be\n    // beneficial to leave the selection as is for these cases.\n    this._buffer.on('trim', (amount: number) => this._onTrim(amount));\n  }\n\n  /**\n   * Disables the selection manager. This is useful for when terminal mouse\n   * are enabled.\n   */\n  public disable() {\n    this.clearSelection();\n    this._enabled = false;\n  }\n\n  /**\n   * Enable the selection manager.\n   */\n  public enable() {\n    this._enabled = true;\n  }\n\n  /**\n   * Sets the active buffer, this should be called when the alt buffer is\n   * switched in or out.\n   * @param buffer The active buffer.\n   */\n  public setBuffer(buffer: ICircularList<[number, string, number][]>): void {\n    this._buffer = buffer;\n    this.clearSelection();\n  }\n\n  public get selectionStart(): [number, number] { return this._model.finalSelectionStart; }\n  public get selectionEnd(): [number, number] { return this._model.finalSelectionEnd; }\n\n  /**\n   * Gets whether there is an active text selection.\n   */\n  public get hasSelection(): boolean {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return false;\n    }\n    return start[0] !== end[0] || start[1] !== end[1];\n  }\n\n  /**\n   * Gets the text currently selected.\n   */\n  public get selectionText(): string {\n    const start = this._model.finalSelectionStart;\n    const end = this._model.finalSelectionEnd;\n    if (!start || !end) {\n      return '';\n    }\n\n    // Get first row\n    const startRowEndCol = start[1] === end[1] ? end[0] : null;\n    let result: string[] = [];\n    result.push(translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol));\n\n    // Get middle rows\n    for (let i = start[1] + 1; i <= end[1] - 1; i++) {\n      const bufferLine = this._buffer.get(i);\n      const lineText = translateBufferLineToString(bufferLine, true);\n      if ((<any>bufferLine).isWrapped) {\n        result[result.length - 1] += lineText;\n      } else {\n        result.push(lineText);\n      }\n    }\n\n    // Get final row\n    if (start[1] !== end[1]) {\n      const bufferLine = this._buffer.get(end[1]);\n      const lineText = translateBufferLineToString(bufferLine, true, 0, end[0]);\n      if ((<any>bufferLine).isWrapped) {\n        result[result.length - 1] += lineText;\n      } else {\n        result.push(lineText);\n      }\n    }\n\n    // Format string by replacing non-breaking space chars with regular spaces\n    // and joining the array into a multi-line string.\n    const formattedResult = result.map(line => {\n      return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n    }).join(Browser.isMSWindows ? '\\r\\n' : '\\n');\n\n    return formattedResult;\n  }\n\n  /**\n   * Clears the current terminal selection.\n   */\n  public clearSelection(): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this.refresh();\n  }\n\n  /**\n   * Queues a refresh, redrawing the selection on the next opportunity.\n   * @param isNewSelection Whether the selection should be registered as a new\n   * selection on Linux.\n   */\n  public refresh(isNewSelection?: boolean): void {\n    // Queue the refresh for the renderer\n    if (!this._refreshAnimationFrame) {\n      this._refreshAnimationFrame = window.requestAnimationFrame(() => this._refresh());\n    }\n\n    // If the platform is Linux and the refresh call comes from a mouse event,\n    // we need to update the selection for middle click to paste selection.\n    if (Browser.isLinux && isNewSelection) {\n      const selectionText = this.selectionText;\n      if (selectionText.length) {\n        this.emit('newselection', this.selectionText);\n      }\n    }\n  }\n\n  /**\n   * Fires the refresh event, causing consumers to pick it up and redraw the\n   * selection state.\n   */\n  private _refresh(): void {\n    this._refreshAnimationFrame = null;\n    this.emit('refresh', { start: this._model.finalSelectionStart, end: this._model.finalSelectionEnd });\n  }\n\n  /**\n   * Selects all text within the terminal.\n   */\n  public selectAll(): void {\n    this._model.isSelectAllActive = true;\n    this.refresh();\n  }\n\n  /**\n   * Handle the buffer being trimmed, adjust the selection position.\n   * @param amount The amount the buffer is being trimmed.\n   */\n  private _onTrim(amount: number) {\n    const needsRefresh = this._model.onTrim(amount);\n    if (needsRefresh) {\n      this.refresh();\n    }\n  }\n\n  /**\n   * Gets the 0-based [x, y] buffer coordinates of the current mouse event.\n   * @param event The mouse event.\n   */\n  private _getMouseBufferCoords(event: MouseEvent): [number, number] {\n    const coords = Mouse.getCoords(event, this._rowContainer, this._charMeasure, this._terminal.cols, this._terminal.rows, true);\n    if (!coords) {\n      return null;\n    }\n\n    // Convert to 0-based\n    coords[0]--;\n    coords[1]--;\n    // Convert viewport coords to buffer coords\n    coords[1] += this._terminal.buffer.ydisp;\n    return coords;\n  }\n\n  /**\n   * Gets the amount the viewport should be scrolled based on how far out of the\n   * terminal the mouse is.\n   * @param event The mouse event.\n   */\n  private _getMouseEventScrollAmount(event: MouseEvent): number {\n    let offset = Mouse.getCoordsRelativeToElement(event, this._rowContainer)[1];\n    const terminalHeight = this._terminal.rows * this._charMeasure.height;\n    if (offset >= 0 && offset <= terminalHeight) {\n      return 0;\n    }\n    if (offset > terminalHeight) {\n      offset -= terminalHeight;\n    }\n\n    offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n    offset /= DRAG_SCROLL_MAX_THRESHOLD;\n    return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n  }\n\n  /**\n   * Handles te mousedown event, setting up for a new selection.\n   * @param event The mousedown event.\n   */\n  private _onMouseDown(event: MouseEvent) {\n    // If we have selection, we want the context menu on right click even if the\n    // terminal is in mouse mode.\n    if (event.button === 2 && this.hasSelection) {\n      event.stopPropagation();\n      return;\n    }\n\n    // Only action the primary button\n    if (event.button !== 0) {\n      return;\n    }\n\n    // Allow selection when using a specific modifier key, even when disabled\n    if (!this._enabled) {\n      const shouldForceSelection = Browser.isMac && event.altKey;\n\n      if (!shouldForceSelection) {\n        return;\n      }\n\n      // Don't send the mouse down event to the current process, we want to select\n      event.stopPropagation();\n    }\n\n    // Tell the browser not to start a regular selection\n    event.preventDefault();\n\n    // Reset drag scroll state\n    this._dragScrollAmount = 0;\n\n    if (this._enabled && event.shiftKey) {\n      this._onIncrementalClick(event);\n    } else {\n      if (event.detail === 1) {\n        this._onSingleClick(event);\n      } else if (event.detail === 2) {\n        this._onDoubleClick(event);\n      } else if (event.detail === 3) {\n        this._onTripleClick(event);\n      }\n    }\n\n    this._addMouseDownListeners();\n    this.refresh(true);\n  }\n\n  /**\n   * Adds listeners when mousedown is triggered.\n   */\n  private _addMouseDownListeners(): void {\n    // Listen on the document so that dragging outside of viewport works\n    this._rowContainer.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n    this._rowContainer.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n    this._dragScrollIntervalTimer = setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);\n  }\n\n  /**\n   * Removes the listeners that are registered when mousedown is triggered.\n   */\n  private _removeMouseDownListeners(): void {\n    this._rowContainer.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n    this._rowContainer.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n    clearInterval(this._dragScrollIntervalTimer);\n    this._dragScrollIntervalTimer = null;\n  }\n\n  /**\n   * Performs an incremental click, setting the selection end position to the mouse\n   * position.\n   * @param event The mouse event.\n   */\n  private _onIncrementalClick(event: MouseEvent): void {\n    if (this._model.selectionStart) {\n      this._model.selectionEnd = this._getMouseBufferCoords(event);\n    }\n  }\n\n  /**\n   * Performs a single click, resetting relevant state and setting the selection\n   * start position.\n   * @param event The mouse event.\n   */\n  private _onSingleClick(event: MouseEvent): void {\n    this._model.selectionStartLength = 0;\n    this._model.isSelectAllActive = false;\n    this._activeSelectionMode = SelectionMode.NORMAL;\n\n    // Initialize the new selection\n    this._model.selectionStart = this._getMouseBufferCoords(event);\n    if (!this._model.selectionStart) {\n      return;\n    }\n    this._model.selectionEnd = null;\n\n    // Ensure the line exists\n    const line = this._buffer.get(this._model.selectionStart[1]);\n    if (!line) {\n      return;\n    }\n\n    // If the mouse is over the second half of a wide character, adjust the\n    // selection to cover the whole character\n    const char = line[this._model.selectionStart[0]];\n    if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n      this._model.selectionStart[0]++;\n    }\n  }\n\n  /**\n   * Performs a double click, selecting the current work.\n   * @param event The mouse event.\n   */\n  private _onDoubleClick(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._activeSelectionMode = SelectionMode.WORD;\n      this._selectWordAt(coords);\n    }\n  }\n\n  /**\n   * Performs a triple click, selecting the current line and activating line\n   * select mode.\n   * @param event The mouse event.\n   */\n  private _onTripleClick(event: MouseEvent): void {\n    const coords = this._getMouseBufferCoords(event);\n    if (coords) {\n      this._activeSelectionMode = SelectionMode.LINE;\n      this._selectLineAt(coords[1]);\n    }\n  }\n\n  /**\n   * Handles the mousemove event when the mouse button is down, recording the\n   * end of the selection and refreshing the selection.\n   * @param event The mousemove event.\n   */\n  private _onMouseMove(event: MouseEvent) {\n    // Record the previous position so we know whether to redraw the selection\n    // at the end.\n    const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n\n    // Set the initial selection end based on the mouse coordinates\n    this._model.selectionEnd = this._getMouseBufferCoords(event);\n    if (!this._model.selectionEnd) {\n      this.refresh(true);\n      return;\n    }\n\n    // Select the entire line if line select mode is active.\n    if (this._activeSelectionMode === SelectionMode.LINE) {\n      if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n        this._model.selectionEnd[0] = 0;\n      } else {\n        this._model.selectionEnd[0] = this._terminal.cols;\n      }\n    } else if (this._activeSelectionMode === SelectionMode.WORD) {\n      this._selectToWordAt(this._model.selectionEnd);\n    }\n\n    // Determine the amount of scrolling that will happen.\n    this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n\n    // If the cursor was above or below the viewport, make sure it's at the\n    // start or end of the viewport respectively.\n    if (this._dragScrollAmount > 0) {\n      this._model.selectionEnd[0] = this._terminal.cols - 1;\n    } else if (this._dragScrollAmount < 0) {\n      this._model.selectionEnd[0] = 0;\n    }\n\n    // If the character is a wide character include the cell to the right in the\n    // selection. Note that selections at the very end of the line will never\n    // have a character.\n    if (this._model.selectionEnd[1] < this._buffer.length) {\n      const char = this._buffer.get(this._model.selectionEnd[1])[this._model.selectionEnd[0]];\n      if (char && char[2] === 0) {\n        this._model.selectionEnd[0]++;\n      }\n    }\n\n    // Only draw here if the selection changes.\n    if (!previousSelectionEnd ||\n      previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n      previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n      this.refresh(true);\n    }\n  }\n\n  /**\n   * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the\n   * scrolling of the viewport.\n   */\n  private _dragScroll() {\n    if (this._dragScrollAmount) {\n      this._terminal.scrollDisp(this._dragScrollAmount, false);\n      // Re-evaluate selection\n      if (this._dragScrollAmount > 0) {\n        this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.buffer.ydisp + this._terminal.rows];\n      } else {\n        this._model.selectionEnd = [0, this._terminal.buffer.ydisp];\n      }\n      this.refresh();\n    }\n  }\n\n  /**\n   * Handles the mouseup event, removing the mousedown listeners.\n   * @param event The mouseup event.\n   */\n  private _onMouseUp(event: MouseEvent) {\n    this._removeMouseDownListeners();\n  }\n\n  /**\n   * Converts a viewport column to the character index on the buffer line, the\n   * latter takes into account wide characters.\n   * @param coords The coordinates to find the 2 index for.\n   */\n  private _convertViewportColToCharacterIndex(bufferLine: any, coords: [number, number]): number {\n    let charIndex = coords[0];\n    for (let i = 0; coords[0] >= i; i++) {\n      const char = bufferLine[i];\n      if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n        charIndex--;\n      }\n    }\n    return charIndex;\n  }\n\n  public setSelection(col: number, row: number, length: number): void {\n    this._model.clearSelection();\n    this._removeMouseDownListeners();\n    this._model.selectionStart = [col, row];\n    this._model.selectionStartLength = length;\n    this.refresh();\n  }\n\n  /**\n   * Gets positional information for the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _getWordAt(coords: [number, number]): IWordPosition {\n    const bufferLine = this._buffer.get(coords[1]);\n    if (!bufferLine) {\n      return null;\n    }\n\n    const line = translateBufferLineToString(bufferLine, false);\n\n    // Get actual index, taking into consideration wide characters\n    let endIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);\n    let startIndex = endIndex;\n\n    // Record offset to be used later\n    const charOffset = coords[0] - startIndex;\n    let leftWideCharCount = 0;\n    let rightWideCharCount = 0;\n\n    if (line.charAt(startIndex) === ' ') {\n      // Expand until non-whitespace is hit\n      while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n        startIndex--;\n      }\n      while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n        endIndex++;\n      }\n    } else {\n      // Expand until whitespace is hit. This algorithm works by scanning left\n      // and right from the starting position, keeping both the index format\n      // (line) and the column format (bufferLine) in sync. When a wide\n      // character is hit, it is recorded and the column index is adjusted.\n      let startCol = coords[0];\n      let endCol = coords[0];\n      // Consider the initial position, skip it and increment the wide char\n      // variable\n      if (bufferLine[startCol][LINE_DATA_WIDTH_INDEX] === 0) {\n        leftWideCharCount++;\n        startCol--;\n      }\n      if (bufferLine[endCol][LINE_DATA_WIDTH_INDEX] === 2) {\n        rightWideCharCount++;\n        endCol++;\n      }\n      // Expand the string in both directions until a space is hit\n      while (startIndex > 0 && !this._isCharWordSeparator(line.charAt(startIndex - 1))) {\n        if (bufferLine[startCol - 1][LINE_DATA_WIDTH_INDEX] === 0) {\n          // If the next character is a wide char, record it and skip the column\n          leftWideCharCount++;\n          startCol--;\n        }\n        startIndex--;\n        startCol--;\n      }\n      while (endIndex + 1 < line.length && !this._isCharWordSeparator(line.charAt(endIndex + 1))) {\n        if (bufferLine[endCol + 1][LINE_DATA_WIDTH_INDEX] === 2) {\n          // If the next character is a wide char, record it and skip the column\n          rightWideCharCount++;\n          endCol++;\n        }\n        endIndex++;\n        endCol++;\n      }\n    }\n\n    const start = startIndex + charOffset - leftWideCharCount;\n    const length = Math.min(endIndex - startIndex + leftWideCharCount + rightWideCharCount + 1/*include endIndex char*/, this._terminal.cols);\n    return { start, length };\n  }\n\n  /**\n   * Selects the word at the coordinates specified.\n   * @param coords The coordinates to get the word at.\n   */\n  protected _selectWordAt(coords: [number, number]): void {\n    const wordPosition = this._getWordAt(coords);\n    if (wordPosition) {\n      this._model.selectionStart = [wordPosition.start, coords[1]];\n      this._model.selectionStartLength = wordPosition.length;\n    }\n  }\n\n  /**\n   * Sets the selection end to the word at the coordinated specified.\n   * @param coords The coordinates to get the word at.\n   */\n  private _selectToWordAt(coords: [number, number]): void {\n    const wordPosition = this._getWordAt(coords);\n    if (wordPosition) {\n      this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];\n    }\n  }\n\n  /**\n   * Gets whether the character is considered a word separator by the select\n   * word logic.\n   * @param char The character to check.\n   */\n  private _isCharWordSeparator(char: string): boolean {\n    return WORD_SEPARATORS.indexOf(char) >= 0;\n  }\n\n  /**\n   * Selects the line specified.\n   * @param line The line index.\n   */\n  protected _selectLineAt(line: number): void {\n    this._model.selectionStart = [0, line];\n    this._model.selectionStartLength = this._terminal.cols;\n  }\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\nimport { DomElementObjectPool } from './utils/DomElementObjectPool';\n\n/**\n * The maximum number of refresh frames to skip when the write buffer is non-\n * empty. Note that these frames may be intermingled with frames that are\n * skipped via requestAnimationFrame's mechanism.\n */\nconst MAX_REFRESH_FRAME_SKIP = 5;\n\n/**\n * Flags used to render terminal text properly.\n */\nenum FLAGS {\n  BOLD = 1,\n  UNDERLINE = 2,\n  BLINK = 4,\n  INVERSE = 8,\n  INVISIBLE = 16\n};\n\nlet brokenBold: boolean = null;\n\nexport class Renderer {\n  /** A queue of the rows to be refreshed */\n  private _refreshRowsQueue: {start: number, end: number}[] = [];\n  private _refreshFramesSkipped = 0;\n  private _refreshAnimationFrame = null;\n\n  private _spanElementObjectPool = new DomElementObjectPool('span');\n\n  constructor(private _terminal: ITerminal) {\n    // Figure out whether boldness affects\n    // the character width of monospace fonts.\n    if (brokenBold === null) {\n      brokenBold = checkBoldBroken((<any>this._terminal).element);\n    }\n    this._spanElementObjectPool = new DomElementObjectPool('span');\n\n    // TODO: Pull more DOM interactions into Renderer.constructor, element for\n    // example should be owned by Renderer (and also exposed by Terminal due to\n    // to established public API).\n  }\n\n  /**\n   * Queues a refresh between two rows (inclusive), to be done on next animation\n   * frame.\n   * @param {number} start The start row.\n   * @param {number} end The end row.\n   */\n  public queueRefresh(start: number, end: number): void {\n    this._refreshRowsQueue.push({ start: start, end: end });\n    if (!this._refreshAnimationFrame) {\n      this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));\n    }\n  }\n\n  /**\n   * Performs the refresh loop callback, calling refresh only if a refresh is\n   * necessary before queueing up the next one.\n   */\n  private _refreshLoop(): void {\n    // Skip MAX_REFRESH_FRAME_SKIP frames if the writeBuffer is non-empty as it\n    // will need to be immediately refreshed anyway. This saves a lot of\n    // rendering time as the viewport DOM does not need to be refreshed, no\n    // scroll events, no layouts, etc.\n    const skipFrame = this._terminal.writeBuffer.length > 0 && this._refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP;\n    if (skipFrame) {\n      this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));\n      return;\n    }\n\n    this._refreshFramesSkipped = 0;\n    let start;\n    let end;\n    if (this._refreshRowsQueue.length > 4) {\n      // Just do a full refresh when 5+ refreshes are queued\n      start = 0;\n      end = this._terminal.rows - 1;\n    } else {\n      // Get start and end rows that need refreshing\n      start = this._refreshRowsQueue[0].start;\n      end = this._refreshRowsQueue[0].end;\n      for (let i = 1; i < this._refreshRowsQueue.length; i++) {\n        if (this._refreshRowsQueue[i].start < start) {\n          start = this._refreshRowsQueue[i].start;\n        }\n        if (this._refreshRowsQueue[i].end > end) {\n          end = this._refreshRowsQueue[i].end;\n        }\n      }\n    }\n    this._refreshRowsQueue = [];\n    this._refreshAnimationFrame = null;\n    this._refresh(start, end);\n  }\n\n  /**\n   * Refreshes (re-renders) terminal content within two rows (inclusive)\n   *\n   * Rendering Engine:\n   *\n   * In the screen buffer, each character is stored as a an array with a character\n   * and a 32-bit integer:\n   *   - First value: a utf-16 character.\n   *   - Second value:\n   *   - Next 9 bits: background color (0-511).\n   *   - Next 9 bits: foreground color (0-511).\n   *   - Next 14 bits: a mask for misc. flags:\n   *     - 1=bold\n   *     - 2=underline\n   *     - 4=blink\n   *     - 8=inverse\n   *     - 16=invisible\n   *\n   * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)\n   * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)\n   */\n  private _refresh(start: number, end: number): void {\n    // If this is a big refresh, remove the terminal rows from the DOM for faster calculations\n    let parent;\n    if (end - start >= this._terminal.rows / 2) {\n      parent = this._terminal.element.parentNode;\n      if (parent) {\n        this._terminal.element.removeChild(this._terminal.rowContainer);\n      }\n    }\n\n    let width = this._terminal.cols;\n    let y = start;\n\n    if (end >= this._terminal.rows) {\n      this._terminal.log('`end` is too large. Most likely a bad CSR.');\n      end = this._terminal.rows - 1;\n    }\n\n    for (; y <= end; y++) {\n      let row = y + this._terminal.buffer.ydisp;\n\n      let line = this._terminal.buffer.lines.get(row);\n\n      let x;\n      if (this._terminal.buffer.y === y - (this._terminal.buffer.ybase - this._terminal.buffer.ydisp) &&\n          this._terminal.cursorState &&\n          !this._terminal.cursorHidden) {\n        x = this._terminal.buffer.x;\n      } else {\n        x = -1;\n      }\n\n      let attr = this._terminal.defAttr;\n\n      const documentFragment = document.createDocumentFragment();\n      let innerHTML = '';\n      let currentElement;\n\n      // Return the row's spans to the pool\n      while (this._terminal.children[y].children.length) {\n        const child = this._terminal.children[y].children[0];\n        this._terminal.children[y].removeChild(child);\n        this._spanElementObjectPool.release(<HTMLElement>child);\n      }\n\n      for (let i = 0; i < width; i++) {\n        // TODO: Could data be a more specific type?\n        let data: any = line[i][0];\n        const ch = line[i][1];\n        const ch_width: any = line[i][2];\n        const isCursor: boolean = i === x;\n        if (!ch_width) {\n          continue;\n        }\n\n        if (data !== attr || isCursor) {\n          if (attr !== this._terminal.defAttr && !isCursor) {\n            if (innerHTML) {\n              currentElement.innerHTML = innerHTML;\n              innerHTML = '';\n            }\n            documentFragment.appendChild(currentElement);\n            currentElement = null;\n          }\n          if (data !== this._terminal.defAttr || isCursor) {\n            if (innerHTML && !currentElement) {\n              currentElement = this._spanElementObjectPool.acquire();\n            }\n            if (currentElement) {\n              if (innerHTML) {\n                currentElement.innerHTML = innerHTML;\n                innerHTML = '';\n              }\n              documentFragment.appendChild(currentElement);\n            }\n            currentElement = this._spanElementObjectPool.acquire();\n\n            let bg = data & 0x1ff;\n            let fg = (data >> 9) & 0x1ff;\n            let flags = data >> 18;\n\n            if (isCursor) {\n              currentElement.classList.add('reverse-video');\n              currentElement.classList.add('terminal-cursor');\n            }\n\n            if (flags & FLAGS.BOLD) {\n              if (!brokenBold) {\n                currentElement.classList.add('xterm-bold');\n              }\n              // See: XTerm*boldColors\n              if (fg < 8) {\n                fg += 8;\n              }\n            }\n\n            if (flags & FLAGS.UNDERLINE) {\n              currentElement.classList.add('xterm-underline');\n            }\n\n            if (flags & FLAGS.BLINK) {\n              currentElement.classList.add('xterm-blink');\n            }\n\n            // If inverse flag is on, then swap the foreground and background variables.\n            if (flags & FLAGS.INVERSE) {\n              let temp = bg;\n              bg = fg;\n              fg = temp;\n              // Should inverse just be before the above boldColors effect instead?\n              if ((flags & 1) && fg < 8) {\n                fg += 8;\n              }\n            }\n\n            if (flags & FLAGS.INVISIBLE && !isCursor) {\n              currentElement.classList.add('xterm-hidden');\n            }\n\n            /**\n             * Weird situation: Invert flag used black foreground and white background results\n             * in invalid background color, positioned at the 256 index of the 256 terminal\n             * color map. Pin the colors manually in such a case.\n             *\n             * Source: https://github.com/sourcelair/xterm.js/issues/57\n             */\n            if (flags & FLAGS.INVERSE) {\n              if (bg === 257) {\n                bg = 15;\n              }\n              if (fg === 256) {\n                fg = 0;\n              }\n            }\n\n            if (bg < 256) {\n              currentElement.classList.add(`xterm-bg-color-${bg}`);\n            }\n\n            if (fg < 256) {\n              currentElement.classList.add(`xterm-color-${fg}`);\n            }\n\n          }\n        }\n\n        if (ch_width === 2) {\n          // Wrap wide characters so they're sized correctly. It's more difficult to release these\n          // from the object pool so just create new ones via innerHTML.\n          innerHTML += `<span class=\"xterm-wide-char\">${ch}</span>`;\n        } else if (ch.charCodeAt(0) > 255) {\n          // Wrap any non-wide unicode character as some fonts size them badly\n          innerHTML += `<span class=\"xterm-normal-char\">${ch}</span>`;\n        } else {\n          switch (ch) {\n            case '&':\n              innerHTML += '&amp;';\n              break;\n            case '<':\n              innerHTML += '&lt;';\n              break;\n            case '>':\n              innerHTML += '&gt;';\n              break;\n            default:\n              if (ch <= ' ') {\n                innerHTML += '&nbsp;';\n              } else {\n                innerHTML += ch;\n              }\n              break;\n          }\n        }\n\n        // The cursor needs its own element, therefore we set attr to -1\n        // which will cause the next character to be rendered in a new element\n        attr = isCursor ? -1 : data;\n\n      }\n\n      if (innerHTML && !currentElement) {\n        currentElement = this._spanElementObjectPool.acquire();\n      }\n      if (currentElement) {\n        if (innerHTML) {\n          currentElement.innerHTML = innerHTML;\n          innerHTML = '';\n        }\n        documentFragment.appendChild(currentElement);\n        currentElement = null;\n      }\n\n      this._terminal.children[y].appendChild(documentFragment);\n    }\n\n    if (parent) {\n      this._terminal.element.appendChild(this._terminal.rowContainer);\n    }\n\n    this._terminal.emit('refresh', {element: this._terminal.element, start: start, end: end});\n  };\n\n  /**\n   * Refreshes the selection in the DOM.\n   * @param start The selection start.\n   * @param end The selection end.\n   */\n  public refreshSelection(start: [number, number], end: [number, number]) {\n    // Remove all selections\n    while (this._terminal.selectionContainer.children.length) {\n      this._terminal.selectionContainer.removeChild(this._terminal.selectionContainer.children[0]);\n    }\n\n    // Selection does not exist\n    if (!start || !end) {\n      return;\n    }\n\n    // Translate from buffer position to viewport position\n    const viewportStartRow = start[1] - this._terminal.buffer.ydisp;\n    const viewportEndRow = end[1] - this._terminal.buffer.ydisp;\n    const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n    const viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);\n\n    // No need to draw the selection\n    if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {\n      return;\n    }\n\n    // Create the selections\n    const documentFragment = document.createDocumentFragment();\n    // Draw first row\n    const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n    const endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n    documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n    // Draw middle rows\n    const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n    documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));\n    // Draw final row\n    if (viewportCappedStartRow !== viewportCappedEndRow) {\n      // Only draw viewportEndRow if it's not the same as viewporttartRow\n      const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n      documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));\n    }\n    this._terminal.selectionContainer.appendChild(documentFragment);\n  }\n\n  /**\n   * Creates a selection element at the specified position.\n   * @param row The row of the selection.\n   * @param colStart The start column.\n   * @param colEnd The end columns.\n   */\n  private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {\n    const element = document.createElement('div');\n    element.style.height = `${rowCount * this._terminal.charMeasure.height}px`;\n    element.style.top = `${row * this._terminal.charMeasure.height}px`;\n    element.style.left = `${colStart * this._terminal.charMeasure.width}px`;\n    element.style.width = `${this._terminal.charMeasure.width * (colEnd - colStart)}px`;\n    return element;\n  }\n}\n\n\n// If bold is broken, we can't use it in the terminal.\nfunction checkBoldBroken(terminal) {\n  const document = terminal.ownerDocument;\n  const el = document.createElement('span');\n  el.innerHTML = 'hello world';\n  terminal.appendChild(el);\n  const w1 = el.offsetWidth;\n  const h1 = el.offsetHeight;\n  el.style.fontWeight = 'bold';\n  const w2 = el.offsetWidth;\n  const h2 = el.offsetHeight;\n  terminal.removeChild(el);\n  return w1 !== w2 || h1 !== h2;\n}\n","/**\n * @license MIT\n */\n\nimport { C0 } from './EscapeSequences';\nimport { IInputHandler } from './Interfaces';\nimport { CHARSETS, DEFAULT_CHARSET } from './Charsets';\n\nconst normalStateHandler: {[key: string]: (parser: Parser, handler: IInputHandler) => void} = {};\nnormalStateHandler[C0.BEL] = (parser, handler) => handler.bell();\nnormalStateHandler[C0.LF] = (parser, handler) => handler.lineFeed();\nnormalStateHandler[C0.VT] = normalStateHandler[C0.LF];\nnormalStateHandler[C0.FF] = normalStateHandler[C0.LF];\nnormalStateHandler[C0.CR] = (parser, handler) => handler.carriageReturn();\nnormalStateHandler[C0.BS] = (parser, handler) => handler.backspace();\nnormalStateHandler[C0.HT] = (parser, handler) => handler.tab();\nnormalStateHandler[C0.SO] = (parser, handler) => handler.shiftOut();\nnormalStateHandler[C0.SI] = (parser, handler) => handler.shiftIn();\nnormalStateHandler[C0.ESC] = (parser, handler) => parser.setState(ParserState.ESCAPED);\n\n// TODO: Remove terminal when parser owns params and currentParam\nconst escapedStateHandler: {[key: string]: (parser: Parser, terminal: any) => void} = {};\nescapedStateHandler['['] = (parser, terminal) => {\n  // ESC [ Control Sequence Introducer (CSI  is 0x9b)\n  terminal.params = [];\n  terminal.currentParam = 0;\n  parser.setState(ParserState.CSI_PARAM);\n};\nescapedStateHandler[']'] = (parser, terminal) => {\n  // ESC ] Operating System Command (OSC is 0x9d)\n  terminal.params = [];\n  terminal.currentParam = 0;\n  parser.setState(ParserState.OSC);\n};\nescapedStateHandler['P'] = (parser, terminal) => {\n  // ESC P Device Control String (DCS is 0x90)\n  terminal.params = [];\n  terminal.currentParam = 0;\n  parser.setState(ParserState.DCS);\n};\nescapedStateHandler['_'] = (parser, terminal) => {\n  // ESC _ Application Program Command ( APC is 0x9f).\n  parser.setState(ParserState.IGNORE);\n};\nescapedStateHandler['^'] = (parser, terminal) => {\n  // ESC ^ Privacy Message ( PM is 0x9e).\n  parser.setState(ParserState.IGNORE);\n};\nescapedStateHandler['c'] = (parser, terminal) => {\n  // ESC c Full Reset (RIS).\n  terminal.reset();\n};\nescapedStateHandler['E'] = (parser, terminal) => {\n  // ESC E Next Line ( NEL is 0x85).\n  terminal.buffer.x = 0;\n  terminal.index();\n  parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['D'] = (parser, terminal) => {\n  // ESC D Index ( IND is 0x84).\n  terminal.index();\n  parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['M'] = (parser, terminal) => {\n  // ESC M Reverse Index ( RI is 0x8d).\n  terminal.reverseIndex();\n  parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['%'] = (parser, terminal) => {\n  // ESC % Select default/utf-8 character set.\n  // @ = default, G = utf-8\n  terminal.setgLevel(0);\n  terminal.setgCharset(0, DEFAULT_CHARSET); // US (default)\n  parser.setState(ParserState.NORMAL);\n  parser.skipNextChar();\n};\nescapedStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);\n\nconst csiParamStateHandler: {[key: string]: (parser: Parser) => void} = {};\ncsiParamStateHandler['?'] = (parser) => parser.setPrefix('?');\ncsiParamStateHandler['>'] = (parser) => parser.setPrefix('>');\ncsiParamStateHandler['!'] = (parser) => parser.setPrefix('!');\ncsiParamStateHandler['0'] = (parser) => parser.setParam(parser.getParam() * 10);\ncsiParamStateHandler['1'] = (parser) => parser.setParam(parser.getParam() * 10 + 1);\ncsiParamStateHandler['2'] = (parser) => parser.setParam(parser.getParam() * 10 + 2);\ncsiParamStateHandler['3'] = (parser) => parser.setParam(parser.getParam() * 10 + 3);\ncsiParamStateHandler['4'] = (parser) => parser.setParam(parser.getParam() * 10 + 4);\ncsiParamStateHandler['5'] = (parser) => parser.setParam(parser.getParam() * 10 + 5);\ncsiParamStateHandler['6'] = (parser) => parser.setParam(parser.getParam() * 10 + 6);\ncsiParamStateHandler['7'] = (parser) => parser.setParam(parser.getParam() * 10 + 7);\ncsiParamStateHandler['8'] = (parser) => parser.setParam(parser.getParam() * 10 + 8);\ncsiParamStateHandler['9'] = (parser) => parser.setParam(parser.getParam() * 10 + 9);\ncsiParamStateHandler['$'] = (parser) => parser.setPostfix('$');\ncsiParamStateHandler['\"'] = (parser) => parser.setPostfix('\"');\ncsiParamStateHandler[' '] = (parser) => parser.setPostfix(' ');\ncsiParamStateHandler['\\''] = (parser) => parser.setPostfix('\\'');\ncsiParamStateHandler[';'] = (parser) => parser.finalizeParam();\ncsiParamStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);\n\nconst csiStateHandler: {[key: string]: (handler: IInputHandler, params: number[], prefix: string, postfix: string, parser: Parser) => void} = {};\ncsiStateHandler['@'] = (handler, params, prefix) => handler.insertChars(params);\ncsiStateHandler['A'] = (handler, params, prefix) => handler.cursorUp(params);\ncsiStateHandler['B'] = (handler, params, prefix) => handler.cursorDown(params);\ncsiStateHandler['C'] = (handler, params, prefix) => handler.cursorForward(params);\ncsiStateHandler['D'] = (handler, params, prefix) => handler.cursorBackward(params);\ncsiStateHandler['E'] = (handler, params, prefix) => handler.cursorNextLine(params);\ncsiStateHandler['F'] = (handler, params, prefix) => handler.cursorPrecedingLine(params);\ncsiStateHandler['G'] = (handler, params, prefix) => handler.cursorCharAbsolute(params);\ncsiStateHandler['H'] = (handler, params, prefix) => handler.cursorPosition(params);\ncsiStateHandler['I'] = (handler, params, prefix) => handler.cursorForwardTab(params);\ncsiStateHandler['J'] = (handler, params, prefix) => handler.eraseInDisplay(params);\ncsiStateHandler['K'] = (handler, params, prefix) => handler.eraseInLine(params);\ncsiStateHandler['L'] = (handler, params, prefix) => handler.insertLines(params);\ncsiStateHandler['M'] = (handler, params, prefix) => handler.deleteLines(params);\ncsiStateHandler['P'] = (handler, params, prefix) => handler.deleteChars(params);\ncsiStateHandler['S'] = (handler, params, prefix) => handler.scrollUp(params);\ncsiStateHandler['T'] = (handler, params, prefix) => {\n  if (params.length < 2 && !prefix) {\n    handler.scrollDown(params);\n  }\n};\ncsiStateHandler['X'] = (handler, params, prefix) => handler.eraseChars(params);\ncsiStateHandler['Z'] = (handler, params, prefix) => handler.cursorBackwardTab(params);\ncsiStateHandler['`'] = (handler, params, prefix) => handler.charPosAbsolute(params);\ncsiStateHandler['a'] = (handler, params, prefix) => handler.HPositionRelative(params);\ncsiStateHandler['b'] = (handler, params, prefix) => handler.repeatPrecedingCharacter(params);\ncsiStateHandler['c'] = (handler, params, prefix) => handler.sendDeviceAttributes(params);\ncsiStateHandler['d'] = (handler, params, prefix) => handler.linePosAbsolute(params);\ncsiStateHandler['e'] = (handler, params, prefix) => handler.VPositionRelative(params);\ncsiStateHandler['f'] = (handler, params, prefix) => handler.HVPosition(params);\ncsiStateHandler['g'] = (handler, params, prefix) => handler.tabClear(params);\ncsiStateHandler['h'] = (handler, params, prefix) => handler.setMode(params);\ncsiStateHandler['l'] = (handler, params, prefix) => handler.resetMode(params);\ncsiStateHandler['m'] = (handler, params, prefix) => handler.charAttributes(params);\ncsiStateHandler['n'] = (handler, params, prefix) => handler.deviceStatus(params);\ncsiStateHandler['p'] = (handler, params, prefix) => {\n  switch (prefix) {\n    case '!': handler.softReset(params); break;\n  }\n};\ncsiStateHandler['q'] = (handler, params, prefix, postfix) => {\n  if (postfix === ' ') {\n    handler.setCursorStyle(params);\n  }\n};\ncsiStateHandler['r'] = (handler, params) => handler.setScrollRegion(params);\ncsiStateHandler['s'] = (handler, params) => handler.saveCursor(params);\ncsiStateHandler['u'] = (handler, params) => handler.restoreCursor(params);\ncsiStateHandler[C0.CAN] = (handler, params, prefix, postfix, parser) => parser.setState(ParserState.NORMAL);\n\nenum ParserState {\n  NORMAL = 0,\n  ESCAPED = 1,\n  CSI_PARAM = 2,\n  CSI = 3,\n  OSC = 4,\n  CHARSET = 5,\n  DCS = 6,\n  IGNORE = 7\n}\n\n/**\n * The terminal's parser, all input into the terminal goes through the parser\n * which parses and defers the actual input handling the the IInputHandler\n * specified in the constructor.\n */\nexport class Parser {\n  private _state: ParserState;\n  private _position: number;\n\n  // TODO: Remove terminal when handler can do everything\n  constructor(\n    private _inputHandler: IInputHandler,\n    private _terminal: any\n  ) {\n    this._state = ParserState.NORMAL;\n  }\n\n  /**\n   * Parse and handle data.\n   *\n   * @param data The data to parse.\n   */\n  public parse(data: string): ParserState {\n    let l = data.length, j, cs, ch, code, low;\n\n    if (this._terminal.debug) {\n      this._terminal.log('data: ' + data);\n    }\n\n    this._position = 0;\n    // apply leftover surrogate high from last write\n    if (this._terminal.surrogate_high) {\n      data = this._terminal.surrogate_high + data;\n      this._terminal.surrogate_high = '';\n    }\n\n    for (; this._position < l; this._position++) {\n      ch = data[this._position];\n\n      // FIXME: higher chars than 0xa0 are not allowed in escape sequences\n      //        --> maybe move to default\n      code = data.charCodeAt(this._position);\n      if (0xD800 <= code && code <= 0xDBFF) {\n        // we got a surrogate high\n        // get surrogate low (next 2 bytes)\n        low = data.charCodeAt(this._position + 1);\n        if (isNaN(low)) {\n          // end of data stream, save surrogate high\n          this._terminal.surrogate_high = ch;\n          continue;\n        }\n        code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n        ch += data.charAt(this._position + 1);\n      }\n      // surrogate low - already handled above\n      if (0xDC00 <= code && code <= 0xDFFF)\n        continue;\n\n      switch (this._state) {\n        case ParserState.NORMAL:\n          if (ch in normalStateHandler) {\n            normalStateHandler[ch](this, this._inputHandler);\n          } else {\n            this._inputHandler.addChar(ch, code);\n          }\n          break;\n        case ParserState.ESCAPED:\n          if (ch in escapedStateHandler) {\n            escapedStateHandler[ch](this, this._terminal);\n            // Skip switch as it was just handled\n            break;\n          }\n          switch (ch) {\n\n            // ESC (,),*,+,-,. Designate G0-G2 Character Set.\n            case '(': // <-- this seems to get all the attention\n            case ')':\n            case '*':\n            case '+':\n            case '-':\n            case '.':\n              switch (ch) {\n                case '(':\n                  this._terminal.gcharset = 0;\n                  break;\n                case ')':\n                  this._terminal.gcharset = 1;\n                  break;\n                case '*':\n                  this._terminal.gcharset = 2;\n                  break;\n                case '+':\n                  this._terminal.gcharset = 3;\n                  break;\n                case '-':\n                  this._terminal.gcharset = 1;\n                  break;\n                case '.':\n                  this._terminal.gcharset = 2;\n                  break;\n              }\n              this._state = ParserState.CHARSET;\n              break;\n\n            // Designate G3 Character Set (VT300).\n            // A = ISO Latin-1 Supplemental.\n            // Not implemented.\n            case '/':\n              this._terminal.gcharset = 3;\n              this._state = ParserState.CHARSET;\n              this._position--;\n              break;\n\n            // ESC N\n            // Single Shift Select of G2 Character Set\n            // ( SS2 is 0x8e). This affects next character only.\n            case 'N':\n              break;\n            // ESC O\n            // Single Shift Select of G3 Character Set\n            // ( SS3 is 0x8f). This affects next character only.\n            case 'O':\n              break;\n            // ESC n\n            // Invoke the G2 Character Set as GL (LS2).\n            case 'n':\n              this._terminal.setgLevel(2);\n              break;\n            // ESC o\n            // Invoke the G3 Character Set as GL (LS3).\n            case 'o':\n              this._terminal.setgLevel(3);\n              break;\n            // ESC |\n            // Invoke the G3 Character Set as GR (LS3R).\n            case '|':\n              this._terminal.setgLevel(3);\n              break;\n            // ESC }\n            // Invoke the G2 Character Set as GR (LS2R).\n            case '}':\n              this._terminal.setgLevel(2);\n              break;\n            // ESC ~\n            // Invoke the G1 Character Set as GR (LS1R).\n            case '~':\n              this._terminal.setgLevel(1);\n              break;\n\n            // ESC 7 Save Cursor (DECSC).\n            case '7':\n              this._inputHandler.saveCursor();\n              this._state = ParserState.NORMAL;\n              break;\n\n            // ESC 8 Restore Cursor (DECRC).\n            case '8':\n              this._inputHandler.restoreCursor();\n              this._state = ParserState.NORMAL;\n              break;\n\n            // ESC # 3 DEC line height/width\n            case '#':\n              this._state = ParserState.NORMAL;\n              this._position++;\n              break;\n\n            // ESC H Tab Set (HTS is 0x88).\n            case 'H':\n              this._terminal.tabSet();\n              this._state = ParserState.NORMAL;\n              break;\n\n            // ESC = Application Keypad (DECKPAM).\n            case '=':\n              this._terminal.log('Serial port requested application keypad.');\n              this._terminal.applicationKeypad = true;\n              this._terminal.viewport.syncScrollArea();\n              this._state = ParserState.NORMAL;\n              break;\n\n            // ESC > Normal Keypad (DECKPNM).\n            case '>':\n              this._terminal.log('Switching back to normal keypad.');\n              this._terminal.applicationKeypad = false;\n              this._terminal.viewport.syncScrollArea();\n              this._state = ParserState.NORMAL;\n              break;\n\n            default:\n              this._state = ParserState.NORMAL;\n              this._terminal.error('Unknown ESC control: %s.', ch);\n              break;\n          }\n          break;\n\n        case ParserState.CHARSET:\n          if (ch in CHARSETS) {\n            cs = CHARSETS[ch];\n            if (ch === '/') { // ISOLatin is actually /A\n              this.skipNextChar();\n            }\n          } else {\n            cs = DEFAULT_CHARSET;\n          }\n          this._terminal.setgCharset(this._terminal.gcharset, cs);\n          this._terminal.gcharset = null;\n          this._state = ParserState.NORMAL;\n          break;\n\n        case ParserState.OSC:\n          // OSC Ps ; Pt ST\n          // OSC Ps ; Pt BEL\n          //   Set Text Parameters.\n          if (ch === C0.ESC || ch === C0.BEL) {\n            if (ch === C0.ESC) this._position++;\n\n            this._terminal.params.push(this._terminal.currentParam);\n\n            switch (this._terminal.params[0]) {\n              case 0:\n              case 1:\n              case 2:\n                if (this._terminal.params[1]) {\n                  this._terminal.title = this._terminal.params[1];\n                  this._terminal.handleTitle(this._terminal.title);\n                }\n                break;\n              case 3:\n                // set X property\n                break;\n              case 4:\n              case 5:\n                // change dynamic colors\n                break;\n              case 10:\n              case 11:\n              case 12:\n              case 13:\n              case 14:\n              case 15:\n              case 16:\n              case 17:\n              case 18:\n              case 19:\n                // change dynamic ui colors\n                break;\n              case 46:\n                // change log file\n                break;\n              case 50:\n                // dynamic font\n                break;\n              case 51:\n                // emacs shell\n                break;\n              case 52:\n                // manipulate selection data\n                break;\n              case 104:\n              case 105:\n              case 110:\n              case 111:\n              case 112:\n              case 113:\n              case 114:\n              case 115:\n              case 116:\n              case 117:\n              case 118:\n                // reset colors\n                break;\n            }\n\n            this._terminal.params = [];\n            this._terminal.currentParam = 0;\n            this._state = ParserState.NORMAL;\n          } else {\n            if (!this._terminal.params.length) {\n              if (ch >= '0' && ch <= '9') {\n                this._terminal.currentParam =\n                  this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;\n              } else if (ch === ';') {\n                this._terminal.params.push(this._terminal.currentParam);\n                this._terminal.currentParam = '';\n              }\n            } else {\n              this._terminal.currentParam += ch;\n            }\n          }\n          break;\n\n        case ParserState.CSI_PARAM:\n          if (ch in csiParamStateHandler) {\n            csiParamStateHandler[ch](this);\n            break;\n          }\n          this.finalizeParam();\n          // Fall through the CSI as this character should be the CSI code.\n          this._state = ParserState.CSI;\n\n        case ParserState.CSI:\n          if (ch in csiStateHandler) {\n            if (this._terminal.debug) {\n              this._terminal.log(`CSI ${this._terminal.prefix ? this._terminal.prefix : ''} ${this._terminal.params ? this._terminal.params.join(';') : ''} ${this._terminal.postfix ? this._terminal.postfix : ''} ${ch}`);\n            }\n            csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);\n          } else {\n            this._terminal.error('Unknown CSI code: %s.', ch);\n          }\n\n          this._state = ParserState.NORMAL;\n          this._terminal.prefix = '';\n          this._terminal.postfix = '';\n          break;\n\n        case ParserState.DCS:\n          if (ch === C0.ESC || ch === C0.BEL) {\n            if (ch === C0.ESC) this._position++;\n            let pt;\n            let valid: boolean;\n\n            switch (this._terminal.prefix) {\n              // User-Defined Keys (DECUDK).\n              case '':\n                break;\n\n              // Request Status String (DECRQSS).\n              // test: echo -e '\\eP$q\"p\\e\\\\'\n              case '$q':\n                pt = this._terminal.currentParam;\n                valid = false;\n\n                switch (pt) {\n                  // DECSCA\n                  case '\"q':\n                    pt = '0\"q';\n                    break;\n\n                  // DECSCL\n                  case '\"p':\n                    pt = '61\"p';\n                    break;\n\n                  // DECSTBM\n                  case 'r':\n                    pt = ''\n                      + (this._terminal.buffer.scrollTop + 1)\n                      + ';'\n                      + (this._terminal.buffer.scrollBottom + 1)\n                      + 'r';\n                    break;\n\n                  // SGR\n                  case 'm':\n                    pt = '0m';\n                    break;\n\n                  default:\n                    this._terminal.error('Unknown DCS Pt: %s.', pt);\n                    pt = '';\n                    break;\n                }\n\n                this._terminal.send(C0.ESC + 'P' + +valid + '$r' + pt + C0.ESC + '\\\\');\n                break;\n\n              // Set Termcap/Terminfo Data (xterm, experimental).\n              case '+p':\n                break;\n\n              // Request Termcap/Terminfo String (xterm, experimental)\n              // Regular xterm does not even respond to this sequence.\n              // This can cause a small glitch in vim.\n              // test: echo -ne '\\eP+q6b64\\e\\\\'\n              case '+q':\n                pt = this._terminal.currentParam;\n                valid = false;\n\n                this._terminal.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\\\');\n                break;\n\n              default:\n                this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);\n                break;\n            }\n\n            this._terminal.currentParam = 0;\n            this._terminal.prefix = '';\n            this._state = ParserState.NORMAL;\n          } else if (!this._terminal.currentParam) {\n            if (!this._terminal.prefix && ch !== '$' && ch !== '+') {\n              this._terminal.currentParam = ch;\n            } else if (this._terminal.prefix.length === 2) {\n              this._terminal.currentParam = ch;\n            } else {\n              this._terminal.prefix += ch;\n            }\n          } else {\n            this._terminal.currentParam += ch;\n          }\n          break;\n\n        case ParserState.IGNORE:\n          // For PM and APC.\n          if (ch === C0.ESC || ch === C0.BEL) {\n            if (ch === C0.ESC) this._position++;\n            this._state = ParserState.NORMAL;\n          }\n          break;\n      }\n    }\n    return this._state;\n  }\n\n  /**\n   * Set the parser's current parsing state.\n   *\n   * @param state The new state.\n   */\n  public setState(state: ParserState): void {\n    this._state = state;\n  }\n\n  /**\n   * Sets the parsier's current prefix. CSI codes can have prefixes of '?', '>'\n   * or '!'.\n   *\n   * @param prefix The prefix.\n   */\n  public setPrefix(prefix: string): void {\n    this._terminal.prefix = prefix;\n  }\n\n  /**\n   * Sets the parsier's current prefix. CSI codes can have postfixes of '$',\n   * '\"', ' ', '\\''.\n   *\n   * @param postfix The postfix.\n   */\n  public setPostfix(postfix: string): void {\n    this._terminal.postfix = postfix;\n  }\n\n  /**\n   * Sets the parser's current parameter.\n   *\n   * @param param the parameter.\n   */\n  public setParam(param: number) {\n    this._terminal.currentParam = param;\n  }\n\n  /**\n   * Gets the parser's current parameter.\n   */\n  public getParam(): number {\n    return this._terminal.currentParam;\n  }\n\n  /**\n   * Finalizes the parser's current parameter, adding it to the list of\n   * parameters and setting the new current parameter to 0.\n   */\n  public finalizeParam(): void {\n    this._terminal.params.push(this._terminal.currentParam);\n    this._terminal.currentParam = 0;\n  }\n\n  /**\n   * Tell the parser to skip the next character.\n   */\n  public skipNextChar(): void {\n    this._position++;\n  }\n\n  /**\n   * Tell the parser to repeat parsing the current character (for example if it\n   * needs parsing using a different state.\n   */\n  // public repeatChar(): void {\n  //   this._position--;\n  // }\n}\n","/**\n * @license MIT\n */\n\nimport { LinkMatcherOptions } from './Interfaces';\nimport { LinkMatcher, LinkMatcherHandler, LinkMatcherValidationCallback } from './Types';\n\nconst INVALID_LINK_CLASS = 'xterm-invalid-link';\n\nconst protocolClause = '(https?:\\\\/\\\\/)';\nconst domainCharacterSet = '[\\\\da-z\\\\.-]+';\nconst negatedDomainCharacterSet = '[^\\\\da-z\\\\.-]+';\nconst domainBodyClause = '(' + domainCharacterSet + ')';\nconst tldClause = '([a-z\\\\.]{2,6})';\nconst ipClause = '((\\\\d{1,3}\\\\.){3}\\\\d{1,3})';\nconst localHostClause = '(localhost)';\nconst portClause = '(:\\\\d{1,5})';\nconst hostClause = '((' + domainBodyClause + '\\\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?';\nconst pathClause = '(\\\\/[\\\\/\\\\w\\\\.\\\\-%~]*)*';\nconst queryStringHashFragmentCharacterSet = '[0-9\\\\w\\\\[\\\\]\\\\(\\\\)\\\\/\\\\?\\\\!#@$%&\\'*+,:;~\\\\=\\\\.\\\\-]*';\nconst queryStringClause = '(\\\\?' + queryStringHashFragmentCharacterSet + ')?';\nconst hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?';\nconst negatedPathCharacterSet = '[^\\\\/\\\\w\\\\.\\\\-%]+';\nconst bodyClause = hostClause + pathClause + queryStringClause + hashFragmentClause;\nconst start = '(?:^|' + negatedDomainCharacterSet + ')(';\nconst end = ')($|' + negatedPathCharacterSet + ')';\nconst strictUrlRegex = new RegExp(start + protocolClause + bodyClause + end);\n\n/**\n * The ID of the built in http(s) link matcher.\n */\nconst HYPERTEXT_LINK_MATCHER_ID = 0;\n\n/**\n * The Linkifier applies links to rows shortly after they have been refreshed.\n */\nexport class Linkifier {\n  /**\n   * The time to wait after a row is changed before it is linkified. This prevents\n   * the costly operation of searching every row multiple times, potentially a\n   * huge amount of times.\n   */\n  protected static TIME_BEFORE_LINKIFY = 200;\n\n  protected _linkMatchers: LinkMatcher[];\n\n  private _document: Document;\n  private _rows: HTMLElement[];\n  private _rowTimeoutIds: number[];\n  private _nextLinkMatcherId = HYPERTEXT_LINK_MATCHER_ID;\n\n  constructor() {\n    this._rowTimeoutIds = [];\n    this._linkMatchers = [];\n    this.registerLinkMatcher(strictUrlRegex, null, { matchIndex: 1 });\n  }\n\n  /**\n   * Attaches the linkifier to the DOM, enabling linkification.\n   * @param document The document object.\n   * @param rows The array of rows to apply links to.\n   */\n  public attachToDom(document: Document, rows: HTMLElement[]) {\n    this._document = document;\n    this._rows = rows;\n  }\n\n  /**\n   * Queues a row for linkification.\n   * @param {number} rowIndex The index of the row to linkify.\n   */\n  public linkifyRow(rowIndex: number): void {\n    // Don't attempt linkify if not yet attached to DOM\n    if (!this._document) {\n      return;\n    }\n\n    const timeoutId = this._rowTimeoutIds[rowIndex];\n    if (timeoutId) {\n      clearTimeout(timeoutId);\n    }\n    this._rowTimeoutIds[rowIndex] = setTimeout(this._linkifyRow.bind(this, rowIndex), Linkifier.TIME_BEFORE_LINKIFY);\n  }\n\n  /**\n   * Attaches a handler for hypertext links, overriding default <a> behavior\n   * for standard http(s) links.\n   * @param {LinkHandler} handler The handler to use, this can be cleared with\n   * null.\n   */\n  public setHypertextLinkHandler(handler: LinkMatcherHandler): void {\n    this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].handler = handler;\n  }\n\n  /**\n   * Attaches a validation callback for hypertext links.\n   * @param {LinkMatcherValidationCallback} callback The callback to use, this\n   * can be cleared with null.\n   */\n  public setHypertextValidationCallback(callback: LinkMatcherValidationCallback): void {\n    this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].validationCallback = callback;\n  }\n\n  /**\n   * Registers a link matcher, allowing custom link patterns to be matched and\n   * handled.\n   * @param {RegExp} regex The regular expression to search for, specifically\n   * this searches the textContent of the rows. You will want to use \\s to match\n   * a space ' ' character for example.\n   * @param {LinkHandler} handler The callback when the link is called.\n   * @param {LinkMatcherOptions} [options] Options for the link matcher.\n   * @return {number} The ID of the new matcher, this can be used to deregister.\n   */\n  public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options: LinkMatcherOptions = {}): number {\n    if (this._nextLinkMatcherId !== HYPERTEXT_LINK_MATCHER_ID && !handler) {\n      throw new Error('handler must be defined');\n    }\n    const matcher: LinkMatcher = {\n      id: this._nextLinkMatcherId++,\n      regex,\n      handler,\n      matchIndex: options.matchIndex,\n      validationCallback: options.validationCallback,\n      priority: options.priority || 0\n    };\n    this._addLinkMatcherToList(matcher);\n    return matcher.id;\n  }\n\n  /**\n   * Inserts a link matcher to the list in the correct position based on the\n   * priority of each link matcher. New link matchers of equal priority are\n   * considered after older link matchers.\n   * @param matcher The link matcher to be added.\n   */\n  private _addLinkMatcherToList(matcher: LinkMatcher): void {\n    if (this._linkMatchers.length === 0) {\n      this._linkMatchers.push(matcher);\n      return;\n    }\n\n    for (let i = this._linkMatchers.length - 1; i >= 0; i--) {\n      if (matcher.priority <= this._linkMatchers[i].priority) {\n        this._linkMatchers.splice(i + 1, 0, matcher);\n        return;\n      }\n    }\n\n    this._linkMatchers.splice(0, 0, matcher);\n  }\n\n  /**\n   * Deregisters a link matcher if it has been registered.\n   * @param {number} matcherId The link matcher's ID (returned after register)\n   * @return {boolean} Whether a link matcher was found and deregistered.\n   */\n  public deregisterLinkMatcher(matcherId: number): boolean {\n    // ID 0 is the hypertext link matcher which cannot be deregistered\n    for (let i = 1; i < this._linkMatchers.length; i++) {\n      if (this._linkMatchers[i].id === matcherId) {\n        this._linkMatchers.splice(i, 1);\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Linkifies a row.\n   * @param {number} rowIndex The index of the row to linkify.\n   */\n  private _linkifyRow(rowIndex: number): void {\n    const row = this._rows[rowIndex];\n    if (!row) {\n      return;\n    }\n    const text = row.textContent;\n    for (let i = 0; i < this._linkMatchers.length; i++) {\n      const matcher = this._linkMatchers[i];\n      const linkElements = this._doLinkifyRow(row, matcher);\n        if (linkElements.length > 0) {\n        // Fire validation callback\n        if (matcher.validationCallback) {\n          for (let j = 0; j < linkElements.length; j++) {\n            const element = linkElements[j];\n            matcher.validationCallback(element.textContent, element, isValid => {\n              if (!isValid) {\n                element.classList.add(INVALID_LINK_CLASS);\n              }\n            });\n          }\n        }\n        // Only allow a single LinkMatcher to trigger on any given row.\n        return;\n      }\n    }\n  }\n\n  /**\n   * Linkifies a row given a specific handler.\n   * @param {HTMLElement} row The row to linkify.\n   * @param {LinkMatcher} matcher The link matcher for this line.\n   * @return The link element(s) that were added.\n   */\n  private _doLinkifyRow(row: HTMLElement, matcher: LinkMatcher): HTMLElement[] {\n    // Iterate over nodes as we want to consider text nodes\n    let result = [];\n    const isHttpLinkMatcher = matcher.id === HYPERTEXT_LINK_MATCHER_ID;\n    const nodes = row.childNodes;\n\n    // Find the first match\n    let match = row.textContent.match(matcher.regex);\n    if (!match || match.length === 0) {\n      return result;\n    }\n    let uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n    // Set the next searches start index\n    let rowStartIndex = match.index + uri.length;\n\n    for (let i = 0; i < nodes.length; i++) {\n      const node = nodes[i];\n      const searchIndex = node.textContent.indexOf(uri);\n      if (searchIndex >= 0) {\n        const linkElement = this._createAnchorElement(uri, matcher.handler, isHttpLinkMatcher);\n        if (node.textContent.length === uri.length) {\n          // Matches entire string\n          if (node.nodeType === 3 /*Node.TEXT_NODE*/) {\n            this._replaceNode(node, linkElement);\n          } else {\n            const element = (<HTMLElement>node);\n            if (element.nodeName === 'A') {\n              // This row has already been linkified\n              return result;\n            }\n            element.innerHTML = '';\n            element.appendChild(linkElement);\n          }\n        } else if (node.childNodes.length > 1) {\n          // Matches part of string in an element with multiple child nodes\n          for (let j = 0; j < node.childNodes.length; j++) {\n            const childNode = node.childNodes[j];\n            const childSearchIndex = childNode.textContent.indexOf(uri);\n            if (childSearchIndex !== -1) {\n              // Match found in currentNode\n              this._replaceNodeSubstringWithNode(childNode, linkElement, uri, childSearchIndex);\n              // Don't need to count nodesAdded by replacing the node as this\n              // is a child node, not a top-level node.\n              break;\n            }\n          }\n        } else {\n          // Matches part of string in a single text node\n          const nodesAdded = this._replaceNodeSubstringWithNode(node, linkElement, uri, searchIndex);\n          // No need to consider the new nodes\n          i += nodesAdded;\n        }\n        result.push(linkElement);\n\n        // Find the next match\n        match = row.textContent.substring(rowStartIndex).match(matcher.regex);\n        if (!match || match.length === 0) {\n          return result;\n        }\n        uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n        rowStartIndex += match.index + uri.length;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Creates a link anchor element.\n   * @param {string} uri The uri of the link.\n   * @return {HTMLAnchorElement} The link.\n   */\n  private _createAnchorElement(uri: string, handler: LinkMatcherHandler, isHypertextLinkHandler: boolean): HTMLAnchorElement {\n    const element = this._document.createElement('a');\n    element.textContent = uri;\n    element.draggable = false;\n    if (isHypertextLinkHandler) {\n      element.href = uri;\n      // Force link on another tab so work is not lost\n      element.target = '_blank';\n      element.addEventListener('click', (event: MouseEvent) => {\n        if (handler) {\n          return handler(event, uri);\n        }\n      });\n    } else {\n      element.addEventListener('click', (event: MouseEvent) => {\n        // Don't execute the handler if the link is flagged as invalid\n        if (element.classList.contains(INVALID_LINK_CLASS)) {\n          return;\n        }\n        return handler(event, uri);\n      });\n    }\n    return element;\n  }\n\n  /**\n   * Replace a node with 1 or more other nodes.\n   * @param {Node} oldNode The node to replace.\n   * @param {Node[]} newNodes The new nodes to insert in order.\n   */\n  private _replaceNode(oldNode: Node, ...newNodes: Node[]): void {\n    const parent = oldNode.parentNode;\n    for (let i = 0; i < newNodes.length; i++) {\n      parent.insertBefore(newNodes[i], oldNode);\n    }\n    parent.removeChild(oldNode);\n  }\n\n  /**\n   * Replace a substring within a node with a new node.\n   * @param {Node} targetNode The target node; either a text node or a <span>\n   * containing a single text node.\n   * @param {Node} newNode The new node to insert.\n   * @param {string} substring The substring to replace.\n   * @param {number} substringIndex The index of the substring within the string.\n   * @return The number of nodes to skip when searching for the next uri.\n   */\n  private _replaceNodeSubstringWithNode(targetNode: Node, newNode: Node, substring: string, substringIndex: number): number {\n    // If the targetNode is a non-text node with a single child, make the child\n    // the new targetNode.\n    if (targetNode.childNodes.length === 1) {\n      targetNode = targetNode.childNodes[0];\n    }\n\n    // The targetNode will be either a text node or a <span>. The text node\n    // (targetNode or its only-child) needs to be replaced with newNode plus new\n    // text nodes potentially on either side.\n    if (targetNode.nodeType !== 3/*Node.TEXT_NODE*/) {\n      throw new Error('targetNode must be a text node or only contain a single text node');\n    }\n\n    const fullText = targetNode.textContent;\n\n    if (substringIndex === 0) {\n      // Replace with <newNode><textnode>\n      const rightText = fullText.substring(substring.length);\n      const rightTextNode = this._document.createTextNode(rightText);\n      this._replaceNode(targetNode, newNode, rightTextNode);\n      return 0;\n    }\n\n    if (substringIndex === targetNode.textContent.length - substring.length) {\n      // Replace with <textnode><newNode>\n      const leftText = fullText.substring(0, substringIndex);\n      const leftTextNode = this._document.createTextNode(leftText);\n      this._replaceNode(targetNode, leftTextNode, newNode);\n      return 0;\n    }\n\n    // Replace with <textnode><newNode><textnode>\n    const leftText = fullText.substring(0, substringIndex);\n    const leftTextNode = this._document.createTextNode(leftText);\n    const rightText = fullText.substring(substringIndex + substring.length);\n    const rightTextNode = this._document.createTextNode(rightText);\n    this._replaceNode(targetNode, leftTextNode, newNode, rightTextNode);\n    return 1;\n  }\n}\n","/**\n * @license MIT\n */\n\nimport { IInputHandler, ITerminal } from './Interfaces';\nimport { C0 } from './EscapeSequences';\nimport { DEFAULT_CHARSET } from './Charsets';\n\n/**\n * The terminal's standard implementation of IInputHandler, this handles all\n * input from the Parser.\n *\n * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand\n * each function's header comment.\n */\nexport class InputHandler implements IInputHandler {\n  // TODO: We want to type _terminal when it's pulled into TS\n  constructor(private _terminal: any) { }\n\n  public addChar(char: string, code: number): void {\n    if (char >= ' ') {\n      // calculate print space\n      // expensive call, therefore we save width in line buffer\n      const ch_width = wcwidth(code);\n\n      if (this._terminal.charset && this._terminal.charset[char]) {\n        char = this._terminal.charset[char];\n      }\n\n      let row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n\n      // insert combining char in last cell\n      // FIXME: needs handling after cursor jumps\n      if (!ch_width && this._terminal.buffer.x) {\n        // dont overflow left\n        if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1]) {\n          if (!this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][2]) {\n\n            // found empty cell after fullwidth, need to go 2 cells back\n            if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2])\n              this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2][1] += char;\n\n          } else {\n            this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][1] += char;\n          }\n          this._terminal.updateRange(this._terminal.buffer.y);\n        }\n        return;\n      }\n\n      // goto next line if ch would overflow\n      // TODO: needs a global min terminal width of 2\n      if (this._terminal.buffer.x + ch_width - 1 >= this._terminal.cols) {\n        // autowrap - DECAWM\n        if (this._terminal.wraparoundMode) {\n          this._terminal.buffer.x = 0;\n          this._terminal.buffer.y++;\n          if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) {\n            this._terminal.buffer.y--;\n            this._terminal.scroll(true);\n          } else {\n            // The line already exists (eg. the initial viewport), mark it as a\n            // wrapped line\n            this._terminal.buffer.lines.get(this._terminal.buffer.y).isWrapped = true;\n          }\n        } else {\n          if (ch_width === 2)  // FIXME: check for xterm behavior\n            return;\n        }\n      }\n      row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n\n      // insert mode: move characters to right\n      if (this._terminal.insertMode) {\n        // do this twice for a fullwidth char\n        for (let moves = 0; moves < ch_width; ++moves) {\n          // remove last cell, if it's width is 0\n          // we have to adjust the second last cell as well\n          const removed = this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).pop();\n          if (removed[2] === 0\n              && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2]\n              && this._terminal.buffer.lines.get(row)[this._terminal.cols - 2][2] === 2) {\n            this._terminal.buffer.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];\n          }\n\n          // insert empty cell at cursor\n          this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 0, [this._terminal.curAttr, ' ', 1]);\n        }\n      }\n\n      this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, char, ch_width];\n      this._terminal.buffer.x++;\n      this._terminal.updateRange(this._terminal.buffer.y);\n\n      // fullwidth char - set next cell width to zero and advance cursor\n      if (ch_width === 2) {\n        this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, '', 0];\n        this._terminal.buffer.x++;\n      }\n    }\n  }\n\n  /**\n   * BEL\n   * Bell (Ctrl-G).\n   */\n  public bell(): void {\n    if (!this._terminal.visualBell) {\n      return;\n    }\n    this._terminal.element.style.borderColor = 'white';\n    setTimeout(() => this._terminal.element.style.borderColor = '', 10);\n    if (this._terminal.popOnBell) {\n      this._terminal.focus();\n    }\n  }\n\n  /**\n   * LF\n   * Line Feed or New Line (NL).  (LF  is Ctrl-J).\n   */\n  public lineFeed(): void {\n    if (this._terminal.convertEol) {\n      this._terminal.buffer.x = 0;\n    }\n    this._terminal.buffer.y++;\n    if (this._terminal.buffer.y > this._terminal.buffer.scrollBottom) {\n      this._terminal.buffer.y--;\n      this._terminal.scroll();\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n    /**\n     * This event is emitted whenever the terminal outputs a LF or NL.\n     *\n     * @event lineFeed\n     */\n    this._terminal.emit('lineFeed');\n  }\n\n  /**\n   * CR\n   * Carriage Return (Ctrl-M).\n   */\n  public carriageReturn(): void {\n    this._terminal.buffer.x = 0;\n  }\n\n  /**\n   * BS\n   * Backspace (Ctrl-H).\n   */\n  public backspace(): void {\n    if (this._terminal.buffer.x > 0) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * TAB\n   * Horizontal Tab (HT) (Ctrl-I).\n   */\n  public tab(): void {\n    this._terminal.buffer.x = this._terminal.nextStop();\n  }\n\n  /**\n   * SO\n   * Shift Out (Ctrl-N) -> Switch to Alternate Character Set.  This invokes the\n   * G1 character set.\n   */\n  public shiftOut(): void {\n    this._terminal.setgLevel(1);\n  }\n\n  /**\n   * SI\n   * Shift In (Ctrl-O) -> Switch to Standard Character Set.  This invokes the G0\n   * character set (the default).\n   */\n  public shiftIn(): void {\n    this._terminal.setgLevel(0);\n  }\n\n  /**\n   * CSI Ps @\n   * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n   */\n  public insertChars(params: number[]): void {\n    let param, row, j, ch;\n\n    param = params[0];\n    if (param < 1) param = 1;\n\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n    j = this._terminal.buffer.x;\n    ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n    while (param-- && j < this._terminal.cols) {\n      this._terminal.buffer.lines.get(row).splice(j++, 0, ch);\n      this._terminal.buffer.lines.get(row).pop();\n    }\n  }\n\n  /**\n   * CSI Ps A\n   * Cursor Up Ps Times (default = 1) (CUU).\n   */\n  public cursorUp(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y -= param;\n    if (this._terminal.buffer.y < 0) {\n      this._terminal.buffer.y = 0;\n    }\n  }\n\n  /**\n   * CSI Ps B\n   * Cursor Down Ps Times (default = 1) (CUD).\n   */\n  public cursorDown(params: number[]) {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * CSI Ps C\n   * Cursor Forward Ps Times (default = 1) (CUF).\n   */\n  public cursorForward(params: number[]) {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x += param;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps D\n   * Cursor Backward Ps Times (default = 1) (CUB).\n   */\n  public cursorBackward(params: number[]) {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n    this._terminal.buffer.x -= param;\n    if (this._terminal.buffer.x < 0) {\n      this._terminal.buffer.x = 0;\n    }\n  }\n\n  /**\n   * CSI Ps E\n   * Cursor Next Line Ps Times (default = 1) (CNL).\n   * same as CSI Ps B ?\n   */\n  public cursorNextLine(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    this._terminal.buffer.x = 0;\n  }\n\n\n  /**\n   * CSI Ps F\n   * Cursor Preceding Line Ps Times (default = 1) (CNL).\n   * reuse CSI Ps A ?\n   */\n  public cursorPrecedingLine(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y -= param;\n    if (this._terminal.buffer.y < 0) {\n      this._terminal.buffer.y = 0;\n    }\n    this._terminal.buffer.x = 0;\n  }\n\n\n  /**\n   * CSI Ps G\n   * Cursor Character Absolute  [column] (default = [row,1]) (CHA).\n   */\n  public cursorCharAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x = param - 1;\n  }\n\n  /**\n   * CSI Ps ; Ps H\n   * Cursor Position [row;column] (default = [1,1]) (CUP).\n   */\n  public cursorPosition(params: number[]): void {\n    let row, col;\n\n    row = params[0] - 1;\n\n    if (params.length >= 2) {\n      col = params[1] - 1;\n    } else {\n      col = 0;\n    }\n\n    if (row < 0) {\n      row = 0;\n    } else if (row >= this._terminal.rows) {\n      row = this._terminal.rows - 1;\n    }\n\n    if (col < 0) {\n      col = 0;\n    } else if (col >= this._terminal.cols) {\n      col = this._terminal.cols - 1;\n    }\n\n    this._terminal.buffer.x = col;\n    this._terminal.buffer.y = row;\n  }\n\n  /**\n   * CSI Ps I\n   *   Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n   */\n  public cursorForwardTab(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.x = this._terminal.nextStop();\n    }\n  }\n\n  /**\n   * CSI Ps J  Erase in Display (ED).\n   *     Ps = 0  -> Erase Below (default).\n   *     Ps = 1  -> Erase Above.\n   *     Ps = 2  -> Erase All.\n   *     Ps = 3  -> Erase Saved Lines (xterm).\n   * CSI ? Ps J\n   *   Erase in Display (DECSED).\n   *     Ps = 0  -> Selective Erase Below (default).\n   *     Ps = 1  -> Selective Erase Above.\n   *     Ps = 2  -> Selective Erase All.\n   */\n  public eraseInDisplay(params: number[]): void {\n    let j;\n    switch (params[0]) {\n      case 0:\n        this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);\n        j = this._terminal.buffer.y + 1;\n        for (; j < this._terminal.rows; j++) {\n          this._terminal.eraseLine(j);\n        }\n        break;\n      case 1:\n        this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);\n        j = this._terminal.buffer.y;\n        while (j--) {\n          this._terminal.eraseLine(j);\n        }\n        break;\n      case 2:\n        j = this._terminal.rows;\n        while (j--) this._terminal.eraseLine(j);\n        break;\n      case 3:\n        // Clear scrollback (everything not in viewport)\n        const scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;\n        if (scrollBackSize > 0) {\n          this._terminal.buffer.lines.trimStart(scrollBackSize);\n          this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);\n          this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);\n          // Force a scroll event to refresh viewport\n          this._terminal.emit('scroll', 0);\n        }\n        break;\n    }\n  }\n\n  /**\n   * CSI Ps K  Erase in Line (EL).\n   *     Ps = 0  -> Erase to Right (default).\n   *     Ps = 1  -> Erase to Left.\n   *     Ps = 2  -> Erase All.\n   * CSI ? Ps K\n   *   Erase in Line (DECSEL).\n   *     Ps = 0  -> Selective Erase to Right (default).\n   *     Ps = 1  -> Selective Erase to Left.\n   *     Ps = 2  -> Selective Erase All.\n   */\n  public eraseInLine(params: number[]): void {\n    switch (params[0]) {\n      case 0:\n        this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);\n        break;\n      case 1:\n        this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);\n        break;\n      case 2:\n        this._terminal.eraseLine(this._terminal.buffer.y);\n        break;\n    }\n  }\n\n  /**\n   * CSI Ps L\n   * Insert Ps Line(s) (default = 1) (IL).\n   */\n  public insertLines(params: number[]): void {\n    let param, row, j;\n\n    param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n\n    j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;\n    j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j + 1;\n\n    while (param--) {\n      if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {\n        // Trim the start of lines to make room for the new line\n        this._terminal.buffer.lines.trimStart(1);\n        this._terminal.buffer.ybase--;\n        this._terminal.buffer.ydisp--;\n        row--;\n        j--;\n      }\n      // test: echo -e '\\e[44m\\e[1L\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      this._terminal.buffer.lines.splice(row, 0, this._terminal.blankLine(true));\n      this._terminal.buffer.lines.splice(j, 1);\n    }\n\n    // this.maxRange();\n    this._terminal.updateRange(this._terminal.buffer.y);\n    this._terminal.updateRange(this._terminal.buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps M\n   * Delete Ps Line(s) (default = 1) (DL).\n   */\n  public deleteLines(params: number[]): void {\n    let param, row, j;\n\n    param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n\n    j = this._terminal.rows - 1 - this._terminal.buffer.scrollBottom;\n    j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j;\n\n    while (param--) {\n      if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {\n        // Trim the start of lines to make room for the new line\n        this._terminal.buffer.lines.trimStart(1);\n        this._terminal.buffer.ybase -= 1;\n        this._terminal.buffer.ydisp -= 1;\n      }\n      // test: echo -e '\\e[44m\\e[1M\\e[0m'\n      // blankLine(true) - xterm/linux behavior\n      this._terminal.buffer.lines.splice(j + 1, 0, this._terminal.blankLine(true));\n      this._terminal.buffer.lines.splice(row, 1);\n    }\n\n    // this.maxRange();\n    this._terminal.updateRange(this._terminal.buffer.y);\n    this._terminal.updateRange(this._terminal.buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps P\n   * Delete Ps Character(s) (default = 1) (DCH).\n   */\n  public deleteChars(params: number[]): void {\n    let param, row, ch;\n\n    param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n    ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n    while (param--) {\n      this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 1);\n      this._terminal.buffer.lines.get(row).push(ch);\n    }\n  }\n\n  /**\n   * CSI Ps S  Scroll up Ps lines (default = 1) (SU).\n   */\n  public scrollUp(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 1);\n      this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 0, this._terminal.blankLine());\n    }\n    // this.maxRange();\n    this._terminal.updateRange(this._terminal.buffer.scrollTop);\n    this._terminal.updateRange(this._terminal.buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps T  Scroll down Ps lines (default = 1) (SD).\n   */\n  public scrollDown(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollBottom, 1);\n      this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.buffer.scrollTop, 0, this._terminal.blankLine());\n    }\n    // this.maxRange();\n    this._terminal.updateRange(this._terminal.buffer.scrollTop);\n    this._terminal.updateRange(this._terminal.buffer.scrollBottom);\n  }\n\n  /**\n   * CSI Ps X\n   * Erase Ps Character(s) (default = 1) (ECH).\n   */\n  public eraseChars(params: number[]): void {\n    let param, row, j, ch;\n\n    param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n\n    row = this._terminal.buffer.y + this._terminal.buffer.ybase;\n    j = this._terminal.buffer.x;\n    ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n    while (param-- && j < this._terminal.cols) {\n      this._terminal.buffer.lines.get(row)[j++] = ch;\n    }\n  }\n\n  /**\n   * CSI Ps Z  Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n   */\n  public cursorBackwardTab(params: number[]): void {\n    let param = params[0] || 1;\n    while (param--) {\n      this._terminal.buffer.x = this._terminal.prevStop();\n    }\n  }\n\n  /**\n   * CSI Pm `  Character Position Absolute\n   *   [column] (default = [row,1]) (HPA).\n   */\n  public charPosAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x = param - 1;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Pm a  Character Position Relative\n   *   [columns] (default = [row,col+1]) (HPR)\n   * reuse CSI Ps C ?\n   */\n  public HPositionRelative(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.x += param;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps b  Repeat the preceding graphic character Ps times (REP).\n   */\n  public repeatPrecedingCharacter(params: number[]): void {\n    let param = params[0] || 1\n      , line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + this._terminal.buffer.y)\n      , ch = line[this._terminal.buffer.x - 1] || [this._terminal.defAttr, ' ', 1];\n\n    while (param--) {\n      line[this._terminal.buffer.x++] = ch;\n    }\n  }\n\n  /**\n   * CSI Ps c  Send Device Attributes (Primary DA).\n   *     Ps = 0  or omitted -> request attributes from terminal.  The\n   *     response depends on the decTerminalID resource setting.\n   *     -> CSI ? 1 ; 2 c  (``VT100 with Advanced Video Option'')\n   *     -> CSI ? 1 ; 0 c  (``VT101 with No Options'')\n   *     -> CSI ? 6 c  (``VT102'')\n   *     -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c  (``VT220'')\n   *   The VT100-style response parameters do not mean anything by\n   *   themselves.  VT220 parameters do, telling the host what fea-\n   *   tures the terminal supports:\n   *     Ps = 1  -> 132-columns.\n   *     Ps = 2  -> Printer.\n   *     Ps = 6  -> Selective erase.\n   *     Ps = 8  -> User-defined keys.\n   *     Ps = 9  -> National replacement character sets.\n   *     Ps = 1 5  -> Technical characters.\n   *     Ps = 2 2  -> ANSI color, e.g., VT525.\n   *     Ps = 2 9  -> ANSI text locator (i.e., DEC Locator mode).\n   * CSI > Ps c\n   *   Send Device Attributes (Secondary DA).\n   *     Ps = 0  or omitted -> request the terminal's identification\n   *     code.  The response depends on the decTerminalID resource set-\n   *     ting.  It should apply only to VT220 and up, but xterm extends\n   *     this to VT100.\n   *     -> CSI  > Pp ; Pv ; Pc c\n   *   where Pp denotes the terminal type\n   *     Pp = 0  -> ``VT100''.\n   *     Pp = 1  -> ``VT220''.\n   *   and Pv is the firmware version (for xterm, this was originally\n   *   the XFree86 patch number, starting with 95).  In a DEC termi-\n   *   nal, Pc indicates the ROM cartridge registration number and is\n   *   always zero.\n   * More information:\n   *   xterm/charproc.c - line 2012, for more information.\n   *   vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n   */\n  public sendDeviceAttributes(params: number[]): void {\n    if (params[0] > 0) {\n      return;\n    }\n\n    if (!this._terminal.prefix) {\n      if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {\n        this._terminal.send(C0.ESC + '[?1;2c');\n      } else if (this._terminal.is('linux')) {\n        this._terminal.send(C0.ESC + '[?6c');\n      }\n    } else if (this._terminal.prefix === '>') {\n      // xterm and urxvt\n      // seem to spit this\n      // out around ~370 times (?).\n      if (this._terminal.is('xterm')) {\n        this._terminal.send(C0.ESC + '[>0;276;0c');\n      } else if (this._terminal.is('rxvt-unicode')) {\n        this._terminal.send(C0.ESC + '[>85;95;0c');\n      } else if (this._terminal.is('linux')) {\n        // not supported by linux console.\n        // linux console echoes parameters.\n        this._terminal.send(params[0] + 'c');\n      } else if (this._terminal.is('screen')) {\n        this._terminal.send(C0.ESC + '[>83;40003;0c');\n      }\n    }\n  }\n\n  /**\n   * CSI Pm d  Vertical Position Absolute (VPA)\n   *   [row] (default = [1,column])\n   */\n  public linePosAbsolute(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y = param - 1;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n  }\n\n  /**\n   * CSI Pm e  Vertical Position Relative (VPR)\n   *   [rows] (default = [row+1,column])\n   * reuse CSI Ps B ?\n   */\n  public VPositionRelative(params: number[]): void {\n    let param = params[0];\n    if (param < 1) {\n      param = 1;\n    }\n    this._terminal.buffer.y += param;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n    // If the end of the line is hit, prevent this action from wrapping around to the next line.\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x--;\n    }\n  }\n\n  /**\n   * CSI Ps ; Ps f\n   *   Horizontal and Vertical Position [row;column] (default =\n   *   [1,1]) (HVP).\n   */\n  public HVPosition(params: number[]): void {\n    if (params[0] < 1) params[0] = 1;\n    if (params[1] < 1) params[1] = 1;\n\n    this._terminal.buffer.y = params[0] - 1;\n    if (this._terminal.buffer.y >= this._terminal.rows) {\n      this._terminal.buffer.y = this._terminal.rows - 1;\n    }\n\n    this._terminal.buffer.x = params[1] - 1;\n    if (this._terminal.buffer.x >= this._terminal.cols) {\n      this._terminal.buffer.x = this._terminal.cols - 1;\n    }\n  }\n\n  /**\n   * CSI Ps g  Tab Clear (TBC).\n   *     Ps = 0  -> Clear Current Column (default).\n   *     Ps = 3  -> Clear All.\n   * Potentially:\n   *   Ps = 2  -> Clear Stops on Line.\n   *   http://vt100.net/annarbor/aaa-ug/section6.html\n   */\n  public tabClear(params: number[]): void {\n    let param = params[0];\n    if (param <= 0) {\n      delete this._terminal.buffer.tabs[this._terminal.buffer.x];\n    } else if (param === 3) {\n      this._terminal.buffer.tabs = {};\n    }\n  }\n\n  /**\n   * CSI Pm h  Set Mode (SM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Insert Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Automatic Newline (LNM).\n   * CSI ? Pm h\n   *   DEC Private Mode Set (DECSET).\n   *     Ps = 1  -> Application Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate USASCII for character sets G0-G3\n   *     (DECANM), and set VT100 mode.\n   *     Ps = 3  -> 132 Column Mode (DECCOLM).\n   *     Ps = 4  -> Smooth (Slow) Scroll (DECSCLM).\n   *     Ps = 5  -> Reverse Video (DECSCNM).\n   *     Ps = 6  -> Origin Mode (DECOM).\n   *     Ps = 7  -> Wraparound Mode (DECAWM).\n   *     Ps = 8  -> Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Send Mouse X & Y on button press.  See the sec-\n   *     tion Mouse Tracking.\n   *     Ps = 1 0  -> Show toolbar (rxvt).\n   *     Ps = 1 2  -> Start Blinking Cursor (att610).\n   *     Ps = 1 8  -> Print form feed (DECPFF).\n   *     Ps = 1 9  -> Set print extent to full screen (DECPEX).\n   *     Ps = 2 5  -> Show Cursor (DECTCEM).\n   *     Ps = 3 0  -> Show scrollbar (rxvt).\n   *     Ps = 3 5  -> Enable font-shifting functions (rxvt).\n   *     Ps = 3 8  -> Enter Tektronix Mode (DECTEK).\n   *     Ps = 4 0  -> Allow 80 -> 132 Mode.\n   *     Ps = 4 1  -> more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Enable Nation Replacement Character sets (DECN-\n   *     RCM).\n   *     Ps = 4 4  -> Turn On Margin Bell.\n   *     Ps = 4 5  -> Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Start Logging.  This is normally disabled by a\n   *     compile-time option.\n   *     Ps = 4 7  -> Use Alternate Screen Buffer.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 6 6  -> Application keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends backspace (DECBKM).\n   *     Ps = 1 0 0 0  -> Send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Enable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Scroll to bottom on tty output (rxvt).\n   *     Ps = 1 0 1 1  -> Scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Interpret \"meta\" key, sets eighth bit.\n   *     (enables the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Enable special modifiers for Alt and Num-\n   *     Lock keys.  (This enables the numLock resource).\n   *     Ps = 1 0 3 6  -> Send ESC   when Meta modifies a key.  (This\n   *     enables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send DEL from the editing-keypad Delete\n   *     key.\n   *     Ps = 1 0 3 9  -> Send ESC  when Alt modifies a key.  (This\n   *     enables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Keep selection even if not highlighted.\n   *     (This enables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the CLIPBOARD selection.  (This enables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Enable Urgency window manager hint when\n   *     Control-G is received.  (This enables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Enable raising of the window when Control-G\n   *     is received.  (enables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Alternate Screen Buffer.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Save cursor as in DECSC.  (This may be dis-\n   *     abled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Save cursor as in DECSC and use Alternate\n   *     Screen Buffer, clearing it first.  (This may be disabled by\n   *     the titeInhibit resource).  This combines the effects of the 1\n   *     0 4 7  and 1 0 4 8  modes.  Use this with terminfo-based\n   *     applications rather than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Set terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Set Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Set HP function-key mode.\n   *     Ps = 1 0 5 3  -> Set SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Set legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Set VT220 keyboard emulation.\n   *     Ps = 2 0 0 4  -> Set bracketed paste mode.\n   * Modes:\n   *   http: *vt100.net/docs/vt220-rm/chapter4.html\n   */\n  public setMode(params: number[]): void {\n    if (params.length > 1) {\n      for (let i = 0; i < params.length; i++) {\n        this.setMode([params[i]]);\n      }\n\n      return;\n    }\n\n    if (!this._terminal.prefix) {\n      switch (params[0]) {\n        case 4:\n          this._terminal.insertMode = true;\n          break;\n        case 20:\n          // this._terminal.convertEol = true;\n          break;\n      }\n    } else if (this._terminal.prefix === '?') {\n      switch (params[0]) {\n        case 1:\n          this._terminal.applicationCursor = true;\n          break;\n        case 2:\n          this._terminal.setgCharset(0, DEFAULT_CHARSET);\n          this._terminal.setgCharset(1, DEFAULT_CHARSET);\n          this._terminal.setgCharset(2, DEFAULT_CHARSET);\n          this._terminal.setgCharset(3, DEFAULT_CHARSET);\n          // set VT100 mode here\n          break;\n        case 3: // 132 col mode\n          this._terminal.savedCols = this._terminal.cols;\n          this._terminal.resize(132, this._terminal.rows);\n          break;\n        case 6:\n          this._terminal.originMode = true;\n          break;\n        case 7:\n          this._terminal.wraparoundMode = true;\n          break;\n        case 12:\n          // this.cursorBlink = true;\n          break;\n        case 66:\n          this._terminal.log('Serial port requested application keypad.');\n          this._terminal.applicationKeypad = true;\n          this._terminal.viewport.syncScrollArea();\n          break;\n        case 9: // X10 Mouse\n          // no release, no motion, no wheel, no modifiers.\n        case 1000: // vt200 mouse\n          // no motion.\n          // no modifiers, except control on the wheel.\n        case 1002: // button event mouse\n        case 1003: // any event mouse\n          // any event - sends motion events,\n          // even if there is no button held down.\n\n          // TODO: Why are params[0] compares nested within a switch for params[0]?\n\n          this._terminal.x10Mouse = params[0] === 9;\n          this._terminal.vt200Mouse = params[0] === 1000;\n          this._terminal.normalMouse = params[0] > 1000;\n          this._terminal.mouseEvents = true;\n          this._terminal.element.classList.add('enable-mouse-events');\n          this._terminal.selectionManager.disable();\n          this._terminal.log('Binding to mouse events.');\n          break;\n        case 1004: // send focusin/focusout events\n          // focusin: ^[[I\n          // focusout: ^[[O\n          this._terminal.sendFocus = true;\n          break;\n        case 1005: // utf8 ext mode mouse\n          this._terminal.utfMouse = true;\n          // for wide terminals\n          // simply encodes large values as utf8 characters\n          break;\n        case 1006: // sgr ext mode mouse\n          this._terminal.sgrMouse = true;\n          // for wide terminals\n          // does not add 32 to fields\n          // press: ^[[<b;x;yM\n          // release: ^[[<b;x;ym\n          break;\n        case 1015: // urxvt ext mode mouse\n          this._terminal.urxvtMouse = true;\n          // for wide terminals\n          // numbers for fields\n          // press: ^[[b;x;yM\n          // motion: ^[[b;x;yT\n          break;\n        case 25: // show cursor\n          this._terminal.cursorHidden = false;\n          break;\n        case 1049: // alt screen buffer cursor\n          // TODO: Not sure if we need to save/restore after switching the buffer\n          // this.saveCursor(params);\n          // FALL-THROUGH\n        case 47: // alt screen buffer\n        case 1047: // alt screen buffer\n          this._terminal.buffers.activateAltBuffer();\n          this._terminal.viewport.syncScrollArea();\n          this._terminal.showCursor();\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI Pm l  Reset Mode (RM).\n   *     Ps = 2  -> Keyboard Action Mode (AM).\n   *     Ps = 4  -> Replace Mode (IRM).\n   *     Ps = 1 2  -> Send/receive (SRM).\n   *     Ps = 2 0  -> Normal Linefeed (LNM).\n   * CSI ? Pm l\n   *   DEC Private Mode Reset (DECRST).\n   *     Ps = 1  -> Normal Cursor Keys (DECCKM).\n   *     Ps = 2  -> Designate VT52 mode (DECANM).\n   *     Ps = 3  -> 80 Column Mode (DECCOLM).\n   *     Ps = 4  -> Jump (Fast) Scroll (DECSCLM).\n   *     Ps = 5  -> Normal Video (DECSCNM).\n   *     Ps = 6  -> Normal Cursor Mode (DECOM).\n   *     Ps = 7  -> No Wraparound Mode (DECAWM).\n   *     Ps = 8  -> No Auto-repeat Keys (DECARM).\n   *     Ps = 9  -> Don't send Mouse X & Y on button press.\n   *     Ps = 1 0  -> Hide toolbar (rxvt).\n   *     Ps = 1 2  -> Stop Blinking Cursor (att610).\n   *     Ps = 1 8  -> Don't print form feed (DECPFF).\n   *     Ps = 1 9  -> Limit print to scrolling region (DECPEX).\n   *     Ps = 2 5  -> Hide Cursor (DECTCEM).\n   *     Ps = 3 0  -> Don't show scrollbar (rxvt).\n   *     Ps = 3 5  -> Disable font-shifting functions (rxvt).\n   *     Ps = 4 0  -> Disallow 80 -> 132 Mode.\n   *     Ps = 4 1  -> No more(1) fix (see curses resource).\n   *     Ps = 4 2  -> Disable Nation Replacement Character sets (DEC-\n   *     NRCM).\n   *     Ps = 4 4  -> Turn Off Margin Bell.\n   *     Ps = 4 5  -> No Reverse-wraparound Mode.\n   *     Ps = 4 6  -> Stop Logging.  (This is normally disabled by a\n   *     compile-time option).\n   *     Ps = 4 7  -> Use Normal Screen Buffer.\n   *     Ps = 6 6  -> Numeric keypad (DECNKM).\n   *     Ps = 6 7  -> Backarrow key sends delete (DECBKM).\n   *     Ps = 1 0 0 0  -> Don't send Mouse X & Y on button press and\n   *     release.  See the section Mouse Tracking.\n   *     Ps = 1 0 0 1  -> Don't use Hilite Mouse Tracking.\n   *     Ps = 1 0 0 2  -> Don't use Cell Motion Mouse Tracking.\n   *     Ps = 1 0 0 3  -> Don't use All Motion Mouse Tracking.\n   *     Ps = 1 0 0 4  -> Don't send FocusIn/FocusOut events.\n   *     Ps = 1 0 0 5  -> Disable Extended Mouse Mode.\n   *     Ps = 1 0 1 0  -> Don't scroll to bottom on tty output\n   *     (rxvt).\n   *     Ps = 1 0 1 1  -> Don't scroll to bottom on key press (rxvt).\n   *     Ps = 1 0 3 4  -> Don't interpret \"meta\" key.  (This disables\n   *     the eightBitInput resource).\n   *     Ps = 1 0 3 5  -> Disable special modifiers for Alt and Num-\n   *     Lock keys.  (This disables the numLock resource).\n   *     Ps = 1 0 3 6  -> Don't send ESC  when Meta modifies a key.\n   *     (This disables the metaSendsEscape resource).\n   *     Ps = 1 0 3 7  -> Send VT220 Remove from the editing-keypad\n   *     Delete key.\n   *     Ps = 1 0 3 9  -> Don't send ESC  when Alt modifies a key.\n   *     (This disables the altSendsEscape resource).\n   *     Ps = 1 0 4 0  -> Do not keep selection when not highlighted.\n   *     (This disables the keepSelection resource).\n   *     Ps = 1 0 4 1  -> Use the PRIMARY selection.  (This disables\n   *     the selectToClipboard resource).\n   *     Ps = 1 0 4 2  -> Disable Urgency window manager hint when\n   *     Control-G is received.  (This disables the bellIsUrgent\n   *     resource).\n   *     Ps = 1 0 4 3  -> Disable raising of the window when Control-\n   *     G is received.  (This disables the popOnBell resource).\n   *     Ps = 1 0 4 7  -> Use Normal Screen Buffer, clearing screen\n   *     first if in the Alternate Screen.  (This may be disabled by\n   *     the titeInhibit resource).\n   *     Ps = 1 0 4 8  -> Restore cursor as in DECRC.  (This may be\n   *     disabled by the titeInhibit resource).\n   *     Ps = 1 0 4 9  -> Use Normal Screen Buffer and restore cursor\n   *     as in DECRC.  (This may be disabled by the titeInhibit\n   *     resource).  This combines the effects of the 1 0 4 7  and 1 0\n   *     4 8  modes.  Use this with terminfo-based applications rather\n   *     than the 4 7  mode.\n   *     Ps = 1 0 5 0  -> Reset terminfo/termcap function-key mode.\n   *     Ps = 1 0 5 1  -> Reset Sun function-key mode.\n   *     Ps = 1 0 5 2  -> Reset HP function-key mode.\n   *     Ps = 1 0 5 3  -> Reset SCO function-key mode.\n   *     Ps = 1 0 6 0  -> Reset legacy keyboard emulation (X11R6).\n   *     Ps = 1 0 6 1  -> Reset keyboard emulation to Sun/PC style.\n   *     Ps = 2 0 0 4  -> Reset bracketed paste mode.\n   */\n  public resetMode(params: number[]): void {\n    if (params.length > 1) {\n      for (let i = 0; i < params.length; i++) {\n        this.resetMode([params[i]]);\n      }\n\n      return;\n    }\n\n    if (!this._terminal.prefix) {\n      switch (params[0]) {\n        case 4:\n          this._terminal.insertMode = false;\n          break;\n        case 20:\n          // this._terminal.convertEol = false;\n          break;\n      }\n    } else if (this._terminal.prefix === '?') {\n      switch (params[0]) {\n        case 1:\n          this._terminal.applicationCursor = false;\n          break;\n        case 3:\n          if (this._terminal.cols === 132 && this._terminal.savedCols) {\n            this._terminal.resize(this._terminal.savedCols, this._terminal.rows);\n          }\n          delete this._terminal.savedCols;\n          break;\n        case 6:\n          this._terminal.originMode = false;\n          break;\n        case 7:\n          this._terminal.wraparoundMode = false;\n          break;\n        case 12:\n          // this.cursorBlink = false;\n          break;\n        case 66:\n          this._terminal.log('Switching back to normal keypad.');\n          this._terminal.applicationKeypad = false;\n          this._terminal.viewport.syncScrollArea();\n          break;\n        case 9: // X10 Mouse\n        case 1000: // vt200 mouse\n        case 1002: // button event mouse\n        case 1003: // any event mouse\n          this._terminal.x10Mouse = false;\n          this._terminal.vt200Mouse = false;\n          this._terminal.normalMouse = false;\n          this._terminal.mouseEvents = false;\n          this._terminal.element.classList.remove('enable-mouse-events');\n          this._terminal.selectionManager.enable();\n          break;\n        case 1004: // send focusin/focusout events\n          this._terminal.sendFocus = false;\n          break;\n        case 1005: // utf8 ext mode mouse\n          this._terminal.utfMouse = false;\n          break;\n        case 1006: // sgr ext mode mouse\n          this._terminal.sgrMouse = false;\n          break;\n        case 1015: // urxvt ext mode mouse\n          this._terminal.urxvtMouse = false;\n          break;\n        case 25: // hide cursor\n          this._terminal.cursorHidden = true;\n          break;\n        case 1049: // alt screen buffer cursor\n           // FALL-THROUGH\n        case 47: // normal screen buffer\n        case 1047: // normal screen buffer - clearing it first\n          // Ensure the selection manager has the correct buffer\n          this._terminal.buffers.activateNormalBuffer();\n          // TODO: Not sure if we need to save/restore after switching the buffer\n          // if (params[0] === 1049) {\n          //   this.restoreCursor(params);\n          // }\n          this._terminal.selectionManager.setBuffer(this._terminal.buffer.lines);\n          this._terminal.refresh(0, this._terminal.rows - 1);\n          this._terminal.viewport.syncScrollArea();\n          this._terminal.showCursor();\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI Pm m  Character Attributes (SGR).\n   *     Ps = 0  -> Normal (default).\n   *     Ps = 1  -> Bold.\n   *     Ps = 4  -> Underlined.\n   *     Ps = 5  -> Blink (appears as Bold).\n   *     Ps = 7  -> Inverse.\n   *     Ps = 8  -> Invisible, i.e., hidden (VT300).\n   *     Ps = 2 2  -> Normal (neither bold nor faint).\n   *     Ps = 2 4  -> Not underlined.\n   *     Ps = 2 5  -> Steady (not blinking).\n   *     Ps = 2 7  -> Positive (not inverse).\n   *     Ps = 2 8  -> Visible, i.e., not hidden (VT300).\n   *     Ps = 3 0  -> Set foreground color to Black.\n   *     Ps = 3 1  -> Set foreground color to Red.\n   *     Ps = 3 2  -> Set foreground color to Green.\n   *     Ps = 3 3  -> Set foreground color to Yellow.\n   *     Ps = 3 4  -> Set foreground color to Blue.\n   *     Ps = 3 5  -> Set foreground color to Magenta.\n   *     Ps = 3 6  -> Set foreground color to Cyan.\n   *     Ps = 3 7  -> Set foreground color to White.\n   *     Ps = 3 9  -> Set foreground color to default (original).\n   *     Ps = 4 0  -> Set background color to Black.\n   *     Ps = 4 1  -> Set background color to Red.\n   *     Ps = 4 2  -> Set background color to Green.\n   *     Ps = 4 3  -> Set background color to Yellow.\n   *     Ps = 4 4  -> Set background color to Blue.\n   *     Ps = 4 5  -> Set background color to Magenta.\n   *     Ps = 4 6  -> Set background color to Cyan.\n   *     Ps = 4 7  -> Set background color to White.\n   *     Ps = 4 9  -> Set background color to default (original).\n   *\n   *   If 16-color support is compiled, the following apply.  Assume\n   *   that xterm's resources are set so that the ISO color codes are\n   *   the first 8 of a set of 16.  Then the aixterm colors are the\n   *   bright versions of the ISO colors:\n   *     Ps = 9 0  -> Set foreground color to Black.\n   *     Ps = 9 1  -> Set foreground color to Red.\n   *     Ps = 9 2  -> Set foreground color to Green.\n   *     Ps = 9 3  -> Set foreground color to Yellow.\n   *     Ps = 9 4  -> Set foreground color to Blue.\n   *     Ps = 9 5  -> Set foreground color to Magenta.\n   *     Ps = 9 6  -> Set foreground color to Cyan.\n   *     Ps = 9 7  -> Set foreground color to White.\n   *     Ps = 1 0 0  -> Set background color to Black.\n   *     Ps = 1 0 1  -> Set background color to Red.\n   *     Ps = 1 0 2  -> Set background color to Green.\n   *     Ps = 1 0 3  -> Set background color to Yellow.\n   *     Ps = 1 0 4  -> Set background color to Blue.\n   *     Ps = 1 0 5  -> Set background color to Magenta.\n   *     Ps = 1 0 6  -> Set background color to Cyan.\n   *     Ps = 1 0 7  -> Set background color to White.\n   *\n   *   If xterm is compiled with the 16-color support disabled, it\n   *   supports the following, from rxvt:\n   *     Ps = 1 0 0  -> Set foreground and background color to\n   *     default.\n   *\n   *   If 88- or 256-color support is compiled, the following apply.\n   *     Ps = 3 8  ; 5  ; Ps -> Set foreground color to the second\n   *     Ps.\n   *     Ps = 4 8  ; 5  ; Ps -> Set background color to the second\n   *     Ps.\n   */\n  public charAttributes(params: number[]): void {\n    // Optimize a single SGR0.\n    if (params.length === 1 && params[0] === 0) {\n      this._terminal.curAttr = this._terminal.defAttr;\n      return;\n    }\n\n    let l = params.length\n    , i = 0\n    , flags = this._terminal.curAttr >> 18\n    , fg = (this._terminal.curAttr >> 9) & 0x1ff\n    , bg = this._terminal.curAttr & 0x1ff\n    , p;\n\n    for (; i < l; i++) {\n      p = params[i];\n      if (p >= 30 && p <= 37) {\n        // fg color 8\n        fg = p - 30;\n      } else if (p >= 40 && p <= 47) {\n        // bg color 8\n        bg = p - 40;\n      } else if (p >= 90 && p <= 97) {\n        // fg color 16\n        p += 8;\n        fg = p - 90;\n      } else if (p >= 100 && p <= 107) {\n        // bg color 16\n        p += 8;\n        bg = p - 100;\n      } else if (p === 0) {\n        // default\n        flags = this._terminal.defAttr >> 18;\n        fg = (this._terminal.defAttr >> 9) & 0x1ff;\n        bg = this._terminal.defAttr & 0x1ff;\n        // flags = 0;\n        // fg = 0x1ff;\n        // bg = 0x1ff;\n      } else if (p === 1) {\n        // bold text\n        flags |= 1;\n      } else if (p === 4) {\n        // underlined text\n        flags |= 2;\n      } else if (p === 5) {\n        // blink\n        flags |= 4;\n      } else if (p === 7) {\n        // inverse and positive\n        // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n        flags |= 8;\n      } else if (p === 8) {\n        // invisible\n        flags |= 16;\n      } else if (p === 22) {\n        // not bold\n        flags &= ~1;\n      } else if (p === 24) {\n        // not underlined\n        flags &= ~2;\n      } else if (p === 25) {\n        // not blink\n        flags &= ~4;\n      } else if (p === 27) {\n        // not inverse\n        flags &= ~8;\n      } else if (p === 28) {\n        // not invisible\n        flags &= ~16;\n      } else if (p === 39) {\n        // reset fg\n        fg = (this._terminal.defAttr >> 9) & 0x1ff;\n      } else if (p === 49) {\n        // reset bg\n        bg = this._terminal.defAttr & 0x1ff;\n      } else if (p === 38) {\n        // fg color 256\n        if (params[i + 1] === 2) {\n          i += 2;\n          fg = this._terminal.matchColor(\n            params[i] & 0xff,\n            params[i + 1] & 0xff,\n            params[i + 2] & 0xff);\n          if (fg === -1) fg = 0x1ff;\n          i += 2;\n        } else if (params[i + 1] === 5) {\n          i += 2;\n          p = params[i] & 0xff;\n          fg = p;\n        }\n      } else if (p === 48) {\n        // bg color 256\n        if (params[i + 1] === 2) {\n          i += 2;\n          bg = this._terminal.matchColor(\n            params[i] & 0xff,\n            params[i + 1] & 0xff,\n            params[i + 2] & 0xff);\n          if (bg === -1) bg = 0x1ff;\n          i += 2;\n        } else if (params[i + 1] === 5) {\n          i += 2;\n          p = params[i] & 0xff;\n          bg = p;\n        }\n      } else if (p === 100) {\n        // reset fg/bg\n        fg = (this._terminal.defAttr >> 9) & 0x1ff;\n        bg = this._terminal.defAttr & 0x1ff;\n      } else {\n        this._terminal.error('Unknown SGR attribute: %d.', p);\n      }\n    }\n\n    this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;\n  }\n\n  /**\n   * CSI Ps n  Device Status Report (DSR).\n   *     Ps = 5  -> Status Report.  Result (``OK'') is\n   *   CSI 0 n\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column].\n   *   Result is\n   *   CSI r ; c R\n   * CSI ? Ps n\n   *   Device Status Report (DSR, DEC-specific).\n   *     Ps = 6  -> Report Cursor Position (CPR) [row;column] as CSI\n   *     ? r ; c R (assumes page is zero).\n   *     Ps = 1 5  -> Report Printer status as CSI ? 1 0  n  (ready).\n   *     or CSI ? 1 1  n  (not ready).\n   *     Ps = 2 5  -> Report UDK status as CSI ? 2 0  n  (unlocked)\n   *     or CSI ? 2 1  n  (locked).\n   *     Ps = 2 6  -> Report Keyboard status as\n   *   CSI ? 2 7  ;  1  ;  0  ;  0  n  (North American).\n   *   The last two parameters apply to VT400 & up, and denote key-\n   *   board ready and LK01 respectively.\n   *     Ps = 5 3  -> Report Locator status as\n   *   CSI ? 5 3  n  Locator available, if compiled-in, or\n   *   CSI ? 5 0  n  No Locator, if not.\n   */\n  public deviceStatus(params: number[]): void {\n    if (!this._terminal.prefix) {\n      switch (params[0]) {\n        case 5:\n          // status report\n          this._terminal.send(C0.ESC + '[0n');\n          break;\n        case 6:\n          // cursor position\n          this._terminal.send(C0.ESC + '['\n                    + (this._terminal.buffer.y + 1)\n                    + ';'\n                    + (this._terminal.buffer.x + 1)\n                    + 'R');\n          break;\n      }\n    } else if (this._terminal.prefix === '?') {\n      // modern xterm doesnt seem to\n      // respond to any of these except ?6, 6, and 5\n      switch (params[0]) {\n        case 6:\n          // cursor position\n          this._terminal.send(C0.ESC + '[?'\n                    + (this._terminal.buffer.y + 1)\n                    + ';'\n                    + (this._terminal.buffer.x + 1)\n                    + 'R');\n          break;\n        case 15:\n          // no printer\n          // this.send(C0.ESC + '[?11n');\n          break;\n        case 25:\n          // dont support user defined keys\n          // this.send(C0.ESC + '[?21n');\n          break;\n        case 26:\n          // north american keyboard\n          // this.send(C0.ESC + '[?27;1;0;0n');\n          break;\n        case 53:\n          // no dec locator/mouse\n          // this.send(C0.ESC + '[?50n');\n          break;\n      }\n    }\n  }\n\n  /**\n   * CSI ! p   Soft terminal reset (DECSTR).\n   * http://vt100.net/docs/vt220-rm/table4-10.html\n   */\n  public softReset(params: number[]): void {\n    this._terminal.cursorHidden = false;\n    this._terminal.insertMode = false;\n    this._terminal.originMode = false;\n    this._terminal.wraparoundMode = true;  // defaults: xterm - true, vt100 - false\n    this._terminal.applicationKeypad = false; // ?\n    this._terminal.viewport.syncScrollArea();\n    this._terminal.applicationCursor = false;\n    this._terminal.buffer.scrollTop = 0;\n    this._terminal.buffer.scrollBottom = this._terminal.rows - 1;\n    this._terminal.curAttr = this._terminal.defAttr;\n    this._terminal.buffer.x = this._terminal.buffer.y = 0; // ?\n    this._terminal.charset = null;\n    this._terminal.glevel = 0; // ??\n    this._terminal.charsets = [null]; // ??\n  }\n\n  /**\n   * CSI Ps SP q  Set cursor style (DECSCUSR, VT520).\n   *   Ps = 0  -> blinking block.\n   *   Ps = 1  -> blinking block (default).\n   *   Ps = 2  -> steady block.\n   *   Ps = 3  -> blinking underline.\n   *   Ps = 4  -> steady underline.\n   *   Ps = 5  -> blinking bar (xterm).\n   *   Ps = 6  -> steady bar (xterm).\n   */\n  public setCursorStyle(params?: number[]): void {\n    const param = params[0] < 1 ? 1 : params[0];\n    switch (param) {\n      case 1:\n      case 2:\n        this._terminal.setOption('cursorStyle', 'block');\n        break;\n      case 3:\n      case 4:\n        this._terminal.setOption('cursorStyle', 'underline');\n        break;\n      case 5:\n      case 6:\n        this._terminal.setOption('cursorStyle', 'bar');\n        break;\n    }\n    const isBlinking = param % 2 === 1;\n    this._terminal.setOption('cursorBlink', isBlinking);\n  }\n\n  /**\n   * CSI Ps ; Ps r\n   *   Set Scrolling Region [top;bottom] (default = full size of win-\n   *   dow) (DECSTBM).\n   * CSI ? Pm r\n   */\n  public setScrollRegion(params: number[]): void {\n    if (this._terminal.prefix) return;\n    this._terminal.buffer.scrollTop = (params[0] || 1) - 1;\n    this._terminal.buffer.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;\n    this._terminal.buffer.x = 0;\n    this._terminal.buffer.y = 0;\n  }\n\n\n  /**\n   * CSI s\n   *   Save cursor (ANSI.SYS).\n   */\n  public saveCursor(params: number[]): void {\n    this._terminal.buffer.savedX = this._terminal.buffer.x;\n    this._terminal.buffer.savedY = this._terminal.buffer.y;\n  }\n\n\n  /**\n   * CSI u\n   *   Restore cursor (ANSI.SYS).\n   */\n  public restoreCursor(params: number[]): void {\n    this._terminal.buffer.x = this._terminal.buffer.savedX || 0;\n    this._terminal.buffer.y = this._terminal.buffer.savedY || 0;\n  }\n}\n\nexport const wcwidth = (function(opts) {\n    // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n    // combining characters\n    const COMBINING_BMP = [\n      [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n      [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n      [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n      [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n      [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n      [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n      [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n      [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n      [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n      [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n      [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n      [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n      [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n      [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n      [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n      [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n      [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n      [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n      [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n      [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n      [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n      [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n      [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n      [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n      [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n      [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n      [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n      [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n      [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n      [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n      [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n      [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n      [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n      [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n      [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n      [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n      [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n      [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n      [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n      [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n      [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n      [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n      [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],\n    ];\n    const COMBINING_HIGH = [\n      [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n      [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n      [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n      [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n      [0xE0100, 0xE01EF]\n    ];\n    // binary search\n    function bisearch(ucs, data) {\n      let min = 0;\n      let max = data.length - 1;\n      let mid;\n      if (ucs < data[0][0] || ucs > data[max][1])\n        return false;\n      while (max >= min) {\n        mid = (min + max) >> 1;\n        if (ucs > data[mid][1])\n          min = mid + 1;\n        else if (ucs < data[mid][0])\n          max = mid - 1;\n        else\n          return true;\n      }\n      return false;\n    }\n    function wcwidthBMP(ucs) {\n      // test for 8-bit control characters\n      if (ucs === 0)\n        return opts.nul;\n      if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))\n        return opts.control;\n      // binary search in table of non-spacing characters\n      if (bisearch(ucs, COMBINING_BMP))\n        return 0;\n      // if we arrive here, ucs is not a combining or C0/C1 control character\n      if (isWideBMP(ucs)) {\n        return 2;\n      }\n      return 1;\n    }\n    function isWideBMP(ucs) {\n      return (\n        ucs >= 0x1100 && (\n        ucs <= 0x115f ||                // Hangul Jamo init. consonants\n        ucs === 0x2329 ||\n        ucs === 0x232a ||\n        (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) ||  // CJK..Yi\n        (ucs >= 0xac00 && ucs <= 0xd7a3) ||    // Hangul Syllables\n        (ucs >= 0xf900 && ucs <= 0xfaff) ||    // CJK Compat Ideographs\n        (ucs >= 0xfe10 && ucs <= 0xfe19) ||    // Vertical forms\n        (ucs >= 0xfe30 && ucs <= 0xfe6f) ||    // CJK Compat Forms\n        (ucs >= 0xff00 && ucs <= 0xff60) ||    // Fullwidth Forms\n        (ucs >= 0xffe0 && ucs <= 0xffe6)));\n    }\n    function wcwidthHigh(ucs) {\n      if (bisearch(ucs, COMBINING_HIGH))\n        return 0;\n      if ((ucs >= 0x20000 && ucs <= 0x2fffd) || (ucs >= 0x30000 && ucs <= 0x3fffd)) {\n        return 2;\n      }\n      return 1;\n    }\n    const control = opts.control | 0;\n    let table = null;\n    function init_table() {\n      // lookup table for BMP\n      const CODEPOINTS = 65536;  // BMP holds 65536 codepoints\n      const BITWIDTH = 2;        // a codepoint can have a width of 0, 1 or 2\n      const ITEMSIZE = 32;       // using uint32_t\n      const CONTAINERSIZE = CODEPOINTS * BITWIDTH / ITEMSIZE;\n      const CODEPOINTS_PER_ITEM = ITEMSIZE / BITWIDTH;\n      table = (typeof Uint32Array === 'undefined')\n        ? new Array(CONTAINERSIZE)\n        : new Uint32Array(CONTAINERSIZE);\n      for (let i = 0; i < CONTAINERSIZE; ++i) {\n        let num = 0;\n        let pos = CODEPOINTS_PER_ITEM;\n        while (pos--)\n          num = (num << 2) | wcwidthBMP(CODEPOINTS_PER_ITEM * i + pos);\n        table[i] = num;\n      }\n    return table;\n    }\n    // get width from lookup table\n    //   position in container   : num / CODEPOINTS_PER_ITEM\n    //     ==> n = table[Math.floor(num / 16)]\n    //     ==> n = table[num >> 4]\n    //   16 codepoints per number:       FFEEDDCCBBAA99887766554433221100\n    //   position in number      : (num % CODEPOINTS_PER_ITEM) * BITWIDTH\n    //     ==> m = (n % 16) * 2\n    //     ==> m = (num & 15) << 1\n    //   right shift to position m\n    //     ==> n = n >> m     e.g. m=12  000000000000FFEEDDCCBBAA99887766\n    //   we are only interested in 2 LSBs, cut off higher bits\n    //     ==> n = n & 3      e.g.       000000000000000000000000000000XX\n    return function (num) {\n      num = num | 0;  // get asm.js like optimization under V8\n      if (num < 32)\n        return control | 0;\n      if (num < 127)\n        return 1;\n      let t = table || init_table();\n      if (num < 65536)\n        return t[num >> 4] >> ((num & 15) << 1) & 3;\n      // do a full search for high codepoints\n      return wcwidthHigh(num);\n    };\n})({nul: 0, control: 0});  // configurable options\n","/**\n * @license MIT\n */\n\nimport { IEventEmitter } from './Interfaces';\n\ninterface ListenerType {\n    (): void;\n    listener?: () => void;\n};\n\nexport class EventEmitter implements IEventEmitter {\n  private _events: {[type: string]: ListenerType[]};\n\n  constructor() {\n    // Restore the previous events if available, this will happen if the\n    // constructor is called multiple times on the same object (terminal reset).\n    this._events = this._events || {};\n  }\n\n  public on(type, listener): void {\n    this._events[type] = this._events[type] || [];\n    this._events[type].push(listener);\n  }\n\n  public off(type, listener): void {\n    if (!this._events[type]) {\n      return;\n    }\n\n    let obj = this._events[type];\n    let i = obj.length;\n\n    while (i--) {\n      if (obj[i] === listener || obj[i].listener === listener) {\n        obj.splice(i, 1);\n        return;\n      }\n    }\n  }\n\n  public removeAllListeners(type): void {\n    if (this._events[type]) {\n       delete this._events[type];\n    }\n  }\n\n  public once(type, listener): any {\n    function on() {\n      let args = Array.prototype.slice.call(arguments);\n      this.off(type, on);\n      return listener.apply(this, args);\n    }\n    (<any>on).listener = listener;\n    return this.on(type, on);\n  }\n\n  public emit(type: string, ...args: any[]): void {\n    if (!this._events[type]) {\n      return;\n    }\n    let obj = this._events[type];\n    for (let i = 0; i < obj.length; i++) {\n      obj[i].apply(this, args);\n    }\n  }\n\n  public listeners(type): ListenerType[] {\n    return this._events[type] || [];\n  }\n}\n","/**\n * @license MIT\n */\n\n/**\n * C0 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C0 {\n  /** Null (Caret = ^@, C = \\0) */\n  export const NUL = '\\x00';\n  /** Start of Heading (Caret = ^A) */\n  export const SOH = '\\x01';\n  /** Start of Text (Caret = ^B) */\n  export const STX = '\\x02';\n  /** End of Text (Caret = ^C) */\n  export const ETX = '\\x03';\n  /** End of Transmission (Caret = ^D) */\n  export const EOT = '\\x04';\n  /** Enquiry (Caret = ^E) */\n  export const ENQ = '\\x05';\n  /** Acknowledge (Caret = ^F) */\n  export const ACK = '\\x06';\n  /** Bell (Caret = ^G, C = \\a) */\n  export const BEL = '\\x07';\n  /** Backspace (Caret = ^H, C = \\b) */\n  export const BS  = '\\x08';\n  /** Character Tabulation, Horizontal Tabulation (Caret = ^I, C = \\t) */\n  export const HT  = '\\x09';\n  /** Line Feed (Caret = ^J, C = \\n) */\n  export const LF  = '\\x0a';\n  /** Line Tabulation, Vertical Tabulation (Caret = ^K, C = \\v) */\n  export const VT  = '\\x0b';\n  /** Form Feed (Caret = ^L, C = \\f) */\n  export const FF  = '\\x0c';\n  /** Carriage Return (Caret = ^M, C = \\r) */\n  export const CR  = '\\x0d';\n  /** Shift Out (Caret = ^N) */\n  export const SO  = '\\x0e';\n  /** Shift In (Caret = ^O) */\n  export const SI  = '\\x0f';\n  /** Data Link Escape (Caret = ^P) */\n  export const DLE = '\\x10';\n  /** Device Control One (XON) (Caret = ^Q) */\n  export const DC1 = '\\x11';\n  /** Device Control Two (Caret = ^R) */\n  export const DC2 = '\\x12';\n  /** Device Control Three (XOFF) (Caret = ^S) */\n  export const DC3 = '\\x13';\n  /** Device Control Four (Caret = ^T) */\n  export const DC4 = '\\x14';\n  /** Negative Acknowledge (Caret = ^U) */\n  export const NAK = '\\x15';\n  /** Synchronous Idle (Caret = ^V) */\n  export const SYN = '\\x16';\n  /** End of Transmission Block (Caret = ^W) */\n  export const ETB = '\\x17';\n  /** Cancel (Caret = ^X) */\n  export const CAN = '\\x18';\n  /** End of Medium (Caret = ^Y) */\n  export const EM  = '\\x19';\n  /** Substitute (Caret = ^Z) */\n  export const SUB = '\\x1a';\n  /** Escape (Caret = ^[, C = \\e) */\n  export const ESC = '\\x1b';\n  /** File Separator (Caret = ^\\) */\n  export const FS  = '\\x1c';\n  /** Group Separator (Caret = ^]) */\n  export const GS  = '\\x1d';\n  /** Record Separator (Caret = ^^) */\n  export const RS  = '\\x1e';\n  /** Unit Separator (Caret = ^_) */\n  export const US  = '\\x1f';\n  /** Space */\n  export const SP  = '\\x20';\n  /** Delete (Caret = ^?) */\n  export const DEL = '\\x7f';\n};\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\ninterface IPosition {\n  start: number;\n  end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n  /**\n   * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n   * IME. This variable determines whether the compositionText should be displayed on the UI.\n   */\n  private isComposing: boolean;\n\n  /**\n   * The position within the input textarea's value of the current composition.\n   */\n  private compositionPosition: IPosition;\n\n  /**\n   * Whether a composition is in the process of being sent, setting this to false will cancel any\n   * in-progress composition.\n   */\n  private isSendingComposition: boolean;\n\n  /**\n   * Creates a new CompositionHelper.\n   * @param textarea The textarea that xterm uses for input.\n   * @param compositionView The element to display the in-progress composition in.\n   * @param terminal The Terminal to forward the finished composition to.\n   */\n  constructor(\n    private textarea: HTMLTextAreaElement,\n    private compositionView: HTMLElement,\n    private terminal: ITerminal\n  ) {\n    this.isComposing = false;\n    this.isSendingComposition = false;\n    this.compositionPosition = { start: null, end: null };\n  }\n\n  /**\n   * Handles the compositionstart event, activating the composition view.\n   */\n  public compositionstart() {\n    this.isComposing = true;\n    this.compositionPosition.start = this.textarea.value.length;\n    this.compositionView.textContent = '';\n    this.compositionView.classList.add('active');\n  }\n\n  /**\n   * Handles the compositionupdate event, updating the composition view.\n   * @param {CompositionEvent} ev The event.\n   */\n  public compositionupdate(ev: CompositionEvent) {\n    this.compositionView.textContent = ev.data;\n    this.updateCompositionElements();\n    setTimeout(() => {\n      this.compositionPosition.end = this.textarea.value.length;\n    }, 0);\n  }\n\n  /**\n   * Handles the compositionend event, hiding the composition view and sending the composition to\n   * the handler.\n   */\n  public compositionend() {\n    this.finalizeComposition(true);\n  }\n\n  /**\n   * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n   * @param ev The keydown event.\n   * @return Whether the Terminal should continue processing the keydown event.\n   */\n  public keydown(ev: KeyboardEvent) {\n    if (this.isComposing || this.isSendingComposition) {\n      if (ev.keyCode === 229) {\n        // Continue composing if the keyCode is the \"composition character\"\n        return false;\n      } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n        // Continue composing if the keyCode is a modifier key\n        return false;\n      } else {\n        // Finish composition immediately. This is mainly here for the case where enter is\n        // pressed and the handler needs to be triggered before the command is executed.\n        this.finalizeComposition(false);\n      }\n    }\n\n    if (ev.keyCode === 229) {\n      // If the \"composition character\" is used but gets to this point it means a non-composition\n      // character (eg. numbers and punctuation) was pressed when the IME was active.\n      this.handleAnyTextareaChanges();\n      return false;\n    }\n\n    return true;\n  }\n\n  /**\n   * Finalizes the composition, resuming regular input actions. This is called when a composition\n   * is ending.\n   * @param waitForPropogation Whether to wait for events to propogate before sending\n   *   the input. This should be false if a non-composition keystroke is entered before the\n   *   compositionend event is triggered, such as enter, so that the composition is send before\n   *   the command is executed.\n   */\n  private finalizeComposition(waitForPropogation: boolean) {\n    this.compositionView.classList.remove('active');\n    this.isComposing = false;\n    this.clearTextareaPosition();\n\n    if (!waitForPropogation) {\n      // Cancel any delayed composition send requests and send the input immediately.\n      this.isSendingComposition = false;\n      const input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);\n      this.terminal.handler(input);\n    } else {\n      // Make a deep copy of the composition position here as a new compositionstart event may\n      // fire before the setTimeout executes.\n      const currentCompositionPosition = {\n        start: this.compositionPosition.start,\n        end: this.compositionPosition.end,\n      };\n\n      // Since composition* events happen before the changes take place in the textarea on most\n      // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n      // complete. This ensures the correct character is retrieved, this solution was used\n      // because:\n      // - The compositionend event's data property is unreliable, at least on Chromium\n      // - The last compositionupdate event's data property does not always accurately describe\n      //   the character, a counter example being Korean where an ending consonsant can move to\n      //   the following character if the following input is a vowel.\n      this.isSendingComposition = true;\n      setTimeout(() => {\n        // Ensure that the input has not already been sent\n        if (this.isSendingComposition) {\n          this.isSendingComposition = false;\n          let input;\n          if (this.isComposing) {\n            // Use the end position to get the string if a new composition has started.\n            input = this.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n          } else {\n            // Don't use the end position here in order to pick up any characters after the\n            // composition has finished, for example when typing a non-composition character\n            // (eg. 2) after a composition character.\n            input = this.textarea.value.substring(currentCompositionPosition.start);\n          }\n          this.terminal.handler(input);\n        }\n      }, 0);\n    }\n  }\n\n  /**\n   * Apply any changes made to the textarea after the current event chain is allowed to complete.\n   * This should be called when not currently composing but a keydown event with the \"composition\n   * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n   * IME is active.\n   */\n  private handleAnyTextareaChanges() {\n    const oldValue = this.textarea.value;\n    setTimeout(() => {\n      // Ignore if a composition has started since the timeout\n      if (!this.isComposing) {\n        const newValue = this.textarea.value;\n        const diff = newValue.replace(oldValue, '');\n        if (diff.length > 0) {\n          this.terminal.handler(diff);\n        }\n      }\n    }, 0);\n  }\n\n  /**\n   * Positions the composition view on top of the cursor and the textarea just below it (so the\n   * IME helper dialog is positioned correctly).\n   * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n   *   necessary as the IME events across browsers are not consistently triggered.\n   */\n  public updateCompositionElements(dontRecurse?: boolean) {\n    if (!this.isComposing) {\n      return;\n    }\n    const cursor = <HTMLElement>this.terminal.element.querySelector('.terminal-cursor');\n    if (cursor) {\n      // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within\n      // the .xterm element.\n      const xtermRows = <HTMLElement>this.terminal.element.querySelector('.xterm-rows');\n      const cursorTop = xtermRows.offsetTop + cursor.offsetTop;\n\n      this.compositionView.style.left = cursor.offsetLeft + 'px';\n      this.compositionView.style.top = cursorTop + 'px';\n      this.compositionView.style.height = cursor.offsetHeight + 'px';\n      this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';\n      // Sync the textarea to the exact position of the composition view so the IME knows where the\n      // text is.\n      const compositionViewBounds = this.compositionView.getBoundingClientRect();\n      this.textarea.style.left = cursor.offsetLeft + 'px';\n      this.textarea.style.top = cursorTop + 'px';\n      this.textarea.style.width = compositionViewBounds.width + 'px';\n      this.textarea.style.height = compositionViewBounds.height + 'px';\n      this.textarea.style.lineHeight = compositionViewBounds.height + 'px';\n    }\n    if (!dontRecurse) {\n      setTimeout(() => this.updateCompositionElements(true), 0);\n    }\n  };\n\n  /**\n   * Clears the textarea's position so that the cursor does not blink on IE.\n   * @private\n   */\n  private clearTextareaPosition() {\n    this.textarea.style.left = '';\n    this.textarea.style.top = '';\n  };\n}\n","/**\n * @license MIT\n */\n\n/**\n * The character sets supported by the terminal. These enable several languages\n * to be represented within the terminal with only 8-bit encoding. See ISO 2022\n * for a discussion on character sets. Only VT100 character sets are supported.\n */\nexport const CHARSETS: {[key: string]: {[key: string]: string}} = {};\n\n/**\n * The default character set, US.\n */\nexport const DEFAULT_CHARSET = CHARSETS['B'];\n\n/**\n * DEC Special Character and Line Drawing Set.\n * Reference: http://vt100.net/docs/vt102-ug/table5-13.html\n * A lot of curses apps use this if they see TERM=xterm.\n * testing: echo -e '\\e(0a\\e(B'\n * The xterm output sometimes seems to conflict with the\n * reference above. xterm seems in line with the reference\n * when running vttest however.\n * The table below now uses xterm's output from vttest.\n */\nCHARSETS['0'] = {\n  '`': '\\u25c6', // '◆'\n  'a': '\\u2592', // '▒'\n  'b': '\\u0009', // '\\t'\n  'c': '\\u000c', // '\\f'\n  'd': '\\u000d', // '\\r'\n  'e': '\\u000a', // '\\n'\n  'f': '\\u00b0', // '°'\n  'g': '\\u00b1', // '±'\n  'h': '\\u2424', // '\\u2424' (NL)\n  'i': '\\u000b', // '\\v'\n  'j': '\\u2518', // '┘'\n  'k': '\\u2510', // '┐'\n  'l': '\\u250c', // '┌'\n  'm': '\\u2514', // '└'\n  'n': '\\u253c', // '┼'\n  'o': '\\u23ba', // '⎺'\n  'p': '\\u23bb', // '⎻'\n  'q': '\\u2500', // '─'\n  'r': '\\u23bc', // '⎼'\n  's': '\\u23bd', // '⎽'\n  't': '\\u251c', // '├'\n  'u': '\\u2524', // '┤'\n  'v': '\\u2534', // '┴'\n  'w': '\\u252c', // '┬'\n  'x': '\\u2502', // '│'\n  'y': '\\u2264', // '≤'\n  'z': '\\u2265', // '≥'\n  '{': '\\u03c0', // 'π'\n  '|': '\\u2260', // '≠'\n  '}': '\\u00a3', // '£'\n  '~': '\\u00b7'  // '·'\n};\n\n/**\n * British character set\n * ESC (A\n * Reference: http://vt100.net/docs/vt220-rm/table2-5.html\n */\nCHARSETS['A'] = {\n  '#': '£'\n};\n\n/**\n * United States character set\n * ESC (B\n */\nCHARSETS['B'] = null;\n\n/**\n * Dutch character set\n * ESC (4\n * Reference: http://vt100.net/docs/vt220-rm/table2-6.html\n */\nCHARSETS['4'] = {\n  '#': '£',\n  '@': '¾',\n  '[': 'ij',\n  '\\\\': '½',\n  ']': '|',\n  '{': '¨',\n  '|': 'f',\n  '}': '¼',\n  '~': '´'\n};\n\n/**\n * Finnish character set\n * ESC (C or ESC (5\n * Reference: http://vt100.net/docs/vt220-rm/table2-7.html\n */\nCHARSETS['C'] =\nCHARSETS['5'] = {\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'é',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * French character set\n * ESC (R\n * Reference: http://vt100.net/docs/vt220-rm/table2-8.html\n */\nCHARSETS['R'] = {\n  '#': '£',\n  '@': 'à',\n  '[': '°',\n  '\\\\': 'ç',\n  ']': '§',\n  '{': 'é',\n  '|': 'ù',\n  '}': 'è',\n  '~': '¨'\n};\n\n/**\n * French Canadian character set\n * ESC (Q\n * Reference: http://vt100.net/docs/vt220-rm/table2-9.html\n */\nCHARSETS['Q'] = {\n  '@': 'à',\n  '[': 'â',\n  '\\\\': 'ç',\n  ']': 'ê',\n  '^': 'î',\n  '`': 'ô',\n  '{': 'é',\n  '|': 'ù',\n  '}': 'è',\n  '~': 'û'\n};\n\n/**\n * German character set\n * ESC (K\n * Reference: http://vt100.net/docs/vt220-rm/table2-10.html\n */\nCHARSETS['K'] = {\n  '@': '§',\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Ü',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'ü',\n  '~': 'ß'\n};\n\n/**\n * Italian character set\n * ESC (Y\n * Reference: http://vt100.net/docs/vt220-rm/table2-11.html\n */\nCHARSETS['Y'] = {\n  '#': '£',\n  '@': '§',\n  '[': '°',\n  '\\\\': 'ç',\n  ']': 'é',\n  '`': 'ù',\n  '{': 'à',\n  '|': 'ò',\n  '}': 'è',\n  '~': 'ì'\n};\n\n/**\n * Norwegian/Danish character set\n * ESC (E or ESC (6\n * Reference: http://vt100.net/docs/vt220-rm/table2-12.html\n */\nCHARSETS['E'] =\nCHARSETS['6'] = {\n  '@': 'Ä',\n  '[': 'Æ',\n  '\\\\': 'Ø',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'ä',\n  '{': 'æ',\n  '|': 'ø',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * Spanish character set\n * ESC (Z\n * Reference: http://vt100.net/docs/vt220-rm/table2-13.html\n */\nCHARSETS['Z'] = {\n  '#': '£',\n  '@': '§',\n  '[': '¡',\n  '\\\\': 'Ñ',\n  ']': '¿',\n  '{': '°',\n  '|': 'ñ',\n  '}': 'ç'\n};\n\n/**\n * Swedish character set\n * ESC (H or ESC (7\n * Reference: http://vt100.net/docs/vt220-rm/table2-14.html\n */\nCHARSETS['H'] =\nCHARSETS['7'] = {\n  '@': 'É',\n  '[': 'Ä',\n  '\\\\': 'Ö',\n  ']': 'Å',\n  '^': 'Ü',\n  '`': 'é',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'å',\n  '~': 'ü'\n};\n\n/**\n * Swiss character set\n * ESC (=\n * Reference: http://vt100.net/docs/vt220-rm/table2-15.html\n */\nCHARSETS['='] = {\n  '#': 'ù',\n  '@': 'à',\n  '[': 'é',\n  '\\\\': 'ç',\n  ']': 'ê',\n  '^': 'î',\n  '_': 'è',\n  '`': 'ô',\n  '{': 'ä',\n  '|': 'ö',\n  '}': 'ü',\n  '~': 'û'\n};\n","/**\n * @license MIT\n */\n\nimport { ITerminal, IBufferSet } from './Interfaces';\nimport { Buffer } from './Buffer';\nimport { EventEmitter } from './EventEmitter';\n\n/**\n * The BufferSet represents the set of two buffers used by xterm terminals (normal and alt) and\n * provides also utilities for working with them.\n */\nexport class BufferSet extends EventEmitter implements IBufferSet {\n  private _normal: Buffer;\n  private _alt: Buffer;\n  private _activeBuffer: Buffer;\n\n  /**\n   * Create a new BufferSet for the given terminal.\n   * @param {Terminal} terminal - The terminal the BufferSet will belong to\n   */\n  constructor(private _terminal: ITerminal) {\n    super();\n    this._normal = new Buffer(this._terminal);\n    this._normal.fillViewportRows();\n    this._alt = new Buffer(this._terminal);\n    this._activeBuffer = this._normal;\n  }\n\n  /**\n   * Returns the alt Buffer of the BufferSet\n   * @returns {Buffer}\n   */\n  public get alt(): Buffer {\n    return this._alt;\n  }\n\n  /**\n   * Returns the normal Buffer of the BufferSet\n   * @returns {Buffer}\n   */\n  public get active(): Buffer {\n    return this._activeBuffer;\n  }\n\n  /**\n   * Returns the currently active Buffer of the BufferSet\n   * @returns {Buffer}\n   */\n  public get normal(): Buffer {\n    return this._normal;\n  }\n\n  /**\n   * Sets the normal Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateNormalBuffer(): void {\n    // The alt buffer should always be cleared when we switch to the normal\n    // buffer. This frees up memory since the alt buffer should always be new\n    // when activated.\n    this._alt.clear();\n\n    this._activeBuffer = this._normal;\n    this.emit('activate', this._normal);\n  }\n\n  /**\n   * Sets the alt Buffer of the BufferSet as its currently active Buffer\n   */\n  public activateAltBuffer(): void {\n    // Since the alt buffer is always cleared when the normal buffer is\n    // activated, we want to fill it when switching to it.\n    this._alt.fillViewportRows();\n\n    this._activeBuffer = this._alt;\n    this.emit('activate', this._alt);\n  }\n\n  /**\n   * Resizes both normal and alt buffers, adjusting their data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    this._normal.resize(newCols, newRows);\n    this._alt.resize(newCols, newRows);\n  }\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal, IBuffer } from './Interfaces';\nimport { CircularList } from './utils/CircularList';\n\n/**\n * This class represents a terminal buffer (an internal state of the terminal), where the\n * following information is stored (in high-level):\n *   - text content of this particular buffer\n *   - cursor position\n *   - scroll position\n */\nexport class Buffer implements IBuffer {\n  private _lines: CircularList<[number, string, number][]>;\n\n  public ydisp: number;\n  public ybase: number;\n  public y: number;\n  public x: number;\n  public scrollBottom: number;\n  public scrollTop: number;\n  public tabs: any;\n  public savedY: number;\n  public savedX: number;\n\n  /**\n   * Create a new Buffer.\n   * @param {Terminal} _terminal - The terminal the Buffer will belong to\n   * @param {number} ydisp - The scroll position of the Buffer in the viewport\n   * @param {number} ybase - The scroll position of the y cursor (ybase + y = the y position within the Buffer)\n   * @param {number} y - The cursor's y position after ybase\n   * @param {number} x - The cursor's x position after ybase\n   */\n  constructor(\n    private _terminal: ITerminal\n  ) {\n    this.clear();\n  }\n\n  public get lines(): CircularList<[number, string, number][]> {\n    return this._lines;\n  }\n\n  /**\n   * Fills the buffer's viewport with blank lines.\n   */\n  public fillViewportRows(): void {\n    if (this._lines.length === 0) {\n      let i = this._terminal.rows;\n      while (i--) {\n        this.lines.push(this._terminal.blankLine());\n      }\n    }\n  }\n\n  /**\n   * Clears the buffer to it's initial state, discarding all previous data.\n   */\n  public clear(): void {\n    this.ydisp = 0;\n    this.ybase = 0;\n    this.y = 0;\n    this.x = 0;\n    this.scrollBottom = 0;\n    this.scrollTop = 0;\n    this.tabs = {};\n    this._lines = new CircularList<[number, string, number][]>(this._terminal.scrollback);\n    this.scrollBottom = this._terminal.rows - 1;\n  }\n\n  /**\n   * Resizes the buffer, adjusting its data accordingly.\n   * @param newCols The new number of columns.\n   * @param newRows The new number of rows.\n   */\n  public resize(newCols: number, newRows: number): void {\n    // Don't resize the buffer if it's empty and hasn't been used yet.\n    if (this._lines.length === 0) {\n      return;\n    }\n\n    // Deal with columns increasing (we don't do anything when columns reduce)\n    if (this._terminal.cols < newCols) {\n      const ch: [number, string, number] = [this._terminal.defAttr, ' ', 1]; // does xterm use the default attr?\n      for (let i = 0; i < this._lines.length; i++) {\n        // TODO: This should be removed, with tests setup for the case that was\n        // causing the underlying bug, see https://github.com/sourcelair/xterm.js/issues/824\n        if (this._lines.get(i) === undefined) {\n          this._lines.set(i, this._terminal.blankLine(undefined, undefined, newCols));\n        }\n        while (this._lines.get(i).length < newCols) {\n          this._lines.get(i).push(ch);\n        }\n      }\n    }\n\n    // Resize rows in both directions as needed\n    let addToY = 0;\n    if (this._terminal.rows < newRows) {\n      for (let y = this._terminal.rows; y < newRows; y++) {\n        if (this._lines.length < newRows + this.ybase) {\n          if (this.ybase > 0 && this._lines.length <= this.ybase + this.y + addToY + 1) {\n            // There is room above the buffer and there are no empty elements below the line,\n            // scroll up\n            this.ybase--;\n            addToY++;\n            if (this.ydisp > 0) {\n              // Viewport is at the top of the buffer, must increase downwards\n              this.ydisp--;\n            }\n          } else {\n            // Add a blank line if there is no buffer left at the top to scroll to, or if there\n            // are blank lines after the cursor\n            this._lines.push(this._terminal.blankLine(undefined, undefined, newCols));\n          }\n        }\n      }\n    } else { // (this._terminal.rows >= newRows)\n      for (let y = this._terminal.rows; y > newRows; y--) {\n        if (this._lines.length > newRows + this.ybase) {\n          if (this._lines.length > this.ybase + this.y + 1) {\n            // The line is a blank line below the cursor, remove it\n            this._lines.pop();\n          } else {\n            // The line is the cursor, scroll down\n            this.ybase++;\n            this.ydisp++;\n          }\n        }\n      }\n    }\n\n    // Make sure that the cursor stays on screen\n    if (this.y >= newRows) {\n      this.y = newRows - 1;\n    }\n    if (addToY) {\n      this.y += addToY;\n    }\n\n    if (this.x >= newCols) {\n      this.x = newCols - 1;\n    }\n\n    this.scrollTop = 0;\n    this.scrollBottom = newRows - 1;\n  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\ No newline at end of file
diff --git a/apps/terminal/api.py b/apps/terminal/api.py
index eb4b6400a..c9bb68ed6 100644
--- a/apps/terminal/api.py
+++ b/apps/terminal/api.py
@@ -108,6 +108,9 @@ class StatusViewSet(viewsets.ModelViewSet):
     task_serializer_class = TaskSerializer
 
     def create(self, request, *args, **kwargs):
+        if self.request.query_params.get("from_guacamole", None):
+            return Response({"msg": "From guacamole, not support now"})
+
         self.handle_sessions()
         super().create(request, *args, **kwargs)
         tasks = self.request.user.terminal.task_set.filter(is_finished=False)
diff --git a/apps/terminal/templates/terminal/session_detail.html b/apps/terminal/templates/terminal/session_detail.html
index 88fb756ac..8bec6c50c 100644
--- a/apps/terminal/templates/terminal/session_detail.html
+++ b/apps/terminal/templates/terminal/session_detail.html
@@ -88,7 +88,7 @@
                                             <td>{% trans 'Replay session' %}:</td>
                                             <td>
                                                 <span class="pull-right">
-                                                    <button type="button" onclick="window.open('/luna/replay/{{ object.id }}','luna', 'height=600, width=800, top=0, left=0, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-primary btn-xs" id="btn_reset_password" style="width: 54px">{% trans 'Go' %}</button>
+                                                    <button type="button" onclick="window.open('/luna/replay/{{ object.id }}','luna', 'height=600, width=800, top=400, left=400, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-primary btn-xs" id="btn_reset_password" style="width: 54px">{% trans 'Go' %}</button>
                                                 </span>
                                             </td>
                                         </tr>
diff --git a/apps/terminal/templates/terminal/session_list.html b/apps/terminal/templates/terminal/session_list.html
index 63a2c9209..8cea8e217 100644
--- a/apps/terminal/templates/terminal/session_list.html
+++ b/apps/terminal/templates/terminal/session_list.html
@@ -99,10 +99,14 @@
             <td class="text-center">{{ session.date_start|time_util_with_seconds:session.date_end }}</td>
             <td>
                 {% if session.is_finished %}
-                <a onclick="window.open('/luna/replay/{{ session.id }}','luna', 'height=600, width=800, top=0, left=0, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-xs btn-warning btn-replay" >{% trans "Replay" %}</a>
+                <a onclick="window.open('/luna/replay/{{ session.id }}','luna', 'height=600, width=800, top=400, left=400, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-xs btn-warning btn-replay" >{% trans "Replay" %}</a>
                 {% else %}
                 <!--<a onclick="window.open('/luna/monitor/{{ session.id }}','luna', 'height=600, width=800, top=0, left=0, toolbar=no, menubar=no, scrollbars=no, location=no, status=no')" class="btn btn-xs btn-warning btn-monitor" >{% trans "Monitor" %}</a>-->
-                <a class="btn btn-xs btn-danger btn-term" value="{{ session.id }}" terminal="{{ session.terminal.id }}" >{% trans "Terminate" %}</a>
+                    {% if session.protocol == 'rdp' %}
+                        <a class="btn btn-xs btn-danger btn-term" disabled value="{{ session.id }}" terminal="{{ session.terminal.id }}" >{% trans "Terminate" %}</a>
+                    {% else %}
+                        <a class="btn btn-xs btn-danger btn-term" value="{{ session.id }}" terminal="{{ session.terminal.id }}" >{% trans "Terminate" %}</a>
+                    {% endif %}
                 {% endif %}
             </td>
         </tr>
diff --git a/apps/users/templates/users/user_granted_asset.html b/apps/users/templates/users/user_granted_asset.html
index ec807aec5..299c33e07 100644
--- a/apps/users/templates/users/user_granted_asset.html
+++ b/apps/users/templates/users/user_granted_asset.html
@@ -68,7 +68,7 @@ var asset_table;
 
 function initTable() {
     if (inited){
-        return
+        return asset_table
     } else {
         inited = true;
     }