From 45d76d623419bd1b943df45b04b21aeef7cf9634 Mon Sep 17 00:00:00 2001
From: Jacob Nguyen <76754747+jacoobes@users.noreply.github.com>
Date: Thu, 2 Nov 2023 16:25:33 -0500
Subject: [PATCH] ts/tooling (#1602)

---
 gpt4all-bindings/typescript/.gitignore        |  1 +
 .../typescript/scripts/mkclangd.js            | 43 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 gpt4all-bindings/typescript/scripts/mkclangd.js

diff --git a/gpt4all-bindings/typescript/.gitignore b/gpt4all-bindings/typescript/.gitignore
index 0297e51b..7fd9d3cb 100644
--- a/gpt4all-bindings/typescript/.gitignore
+++ b/gpt4all-bindings/typescript/.gitignore
@@ -8,3 +8,4 @@ prebuilds/
 !.yarn/sdks
 !.yarn/versions
 runtimes/
+compile_flags.txt
diff --git a/gpt4all-bindings/typescript/scripts/mkclangd.js b/gpt4all-bindings/typescript/scripts/mkclangd.js
new file mode 100644
index 00000000..20494490
--- /dev/null
+++ b/gpt4all-bindings/typescript/scripts/mkclangd.js
@@ -0,0 +1,43 @@
+/// makes compile_flags.txt for clangd server support with this project
+/// run this with typescript as your cwd
+//
+//for debian users make sure to install libstdc++-12-dev
+
+const nodeaddonapi=require('node-addon-api').include;
+
+const fsp = require('fs/promises');
+const { existsSync, readFileSync } = require('fs');
+const assert = require('node:assert');
+const findnodeapih = () => {
+    assert(existsSync("./build"), "Haven't built the application once yet. run node scripts/prebuild.js");
+    const dir = readFileSync("./build/config.gypi", 'utf8');
+    const nodedir_line = dir.match(/"nodedir": "([^"]+)"/);
+    assert(nodedir_line, "Found no matches")
+    assert(nodedir_line[1]);
+    console.log("node_api.h found at: ", nodedir_line[1]);
+    return nodedir_line[1]+"/include/node";
+};
+
+const knownIncludes = [
+    '-I',
+    './',
+    '-I',
+    nodeaddonapi.substring(1, nodeaddonapi.length-1),
+    '-I',
+    '../../gpt4all-backend',
+    '-I',
+    findnodeapih()
+];
+const knownFlags = [
+    "-x",
+    "c++",
+    '-std=c++17'
+];
+
+
+const output = knownFlags.join('\n')+'\n'+knownIncludes.join('\n');
+
+fsp.writeFile('./compile_flags.txt', output, 'utf8')
+    .then(() => console.log('done'))
+    .catch(() => console.err('failed'));
+