fix-open-scroll (#2602)

frontend/src/pages/repo-wiki-mode/main-panel.js

@@ -20,6 +20,7 @@ const propTypes = {
   lastModified: PropTypes.string,
   latestContributor: PropTypes.string,
   permission: PropTypes.string,
+  hash: PropTypes.string,
   path: PropTypes.string.isRequired,
   // whether the file or dir corresponding to the path exist
   pathExist: PropTypes.bool.isRequired,
@@ -82,6 +83,12 @@ class MainPanel extends Component {
     setTimeout(function() {
       that.getTitlesInfo();
     }, 500);
+    if (this.props.hash) {
+      let hash = this.props.hash;
+      setTimeout(function() {
+        window.location.hash = hash;
+      }, 500);
+    }
   }
 
   switchViewMode = (mode) => {

frontend/src/repo-wiki-mode.js

@@ -42,6 +42,14 @@ class Wiki extends Component {
       selectedDirentList: [],
     };
     window.onpopstate = this.onpopstate;
+    this.hash = '';
+  }
+
+  componentWillMount() {
+    const hash = window.location.hash;
+    if (hash.slice(0, 1) === '#') {
+      this.hash = hash;
+    }
   }
 
   componentDidMount() {
@@ -775,6 +783,7 @@ class Wiki extends Component {
           onItemsMove={this.onMoveItems}
           onItemsCopy={this.onCopyItems}
           onItemsDelete={this.onDeleteItems}
+          hash={this.hash}
         />
       </div>
     );