Support packaging an extension

Author: shinichy

_extension/.gitignore

@@ -1,2 +1,3 @@
 *.vsix
 dist/
+bin/

_extension/.vscodeignore

@@ -0,0 +1,2 @@
+# Workaround for https://github.com/microsoft/vscode-vsce/issues/580
+../

_extension/esbuild.js

@@ -0,0 +1,55 @@
+const esbuild = require('esbuild');
+
+const production = process.argv.includes('--production');
+const watch = process.argv.includes('--watch');
+
+async function main() {
+  const ctx = await esbuild.context({
+    entryPoints: ['src/extension.ts'],
+    bundle: true,
+    format: 'cjs',
+    minify: production,
+    sourcemap: !production,
+    sourcesContent: false,
+    platform: 'node',
+    outfile: 'dist/extension.js',
+    external: ['vscode'],
+    logLevel: 'warning',
+    plugins: [
+      /* add to the end of plugins array */
+      esbuildProblemMatcherPlugin
+    ]
+  });
+  if (watch) {
+    await ctx.watch();
+  } else {
+    await ctx.rebuild();
+    await ctx.dispose();
+  }
+}
+
+/**
+ * @type {import('esbuild').Plugin}
+ */
+const esbuildProblemMatcherPlugin = {
+  name: 'esbuild-problem-matcher',
+
+  setup(build) {
+    build.onStart(() => {
+      console.log('[watch] build started');
+    });
+    build.onEnd(result => {
+      result.errors.forEach(({ text, location }) => {
+        console.error(`✘ [ERROR] ${text}`);
+        if (location == null) return;
+        console.error(`    ${location.file}:${location.line}:${location.column}:`);
+      });
+      console.log('[watch] build finished');
+    });
+  }
+};
+
+main().catch(e => {
+  console.error(e);
+  process.exit(1);
+});

_extension/package.json

@@ -8,7 +8,7 @@
     "version": "0.0.0",
     "type": "commonjs",
     "engines": {
-        "vscode": "^1.91.0"
+        "vscode": "^1.96.0"
     },
     "activationEvents": [
         "onLanguage:javascript",
@@ -54,13 +54,19 @@
     },
     "main": "./dist/extension.js",
     "scripts": {
-        "build": "tsc",
-        "watch": "tsc --watch"
+        "compile": "npm run check-types && node esbuild.js",
+        "check-types": "tsc --noEmit",
+        "watch": "npm-run-all -p watch:*",
+        "watch:esbuild": "node esbuild.js --watch",
+        "watch:tsc": "tsc --noEmit --watch --project tsconfig.json",
+        "vscode:prepublish": "npm run package",
+        "package": "npm run check-types && node esbuild.js --production"
     },
     "dependencies": {
         "vscode-languageclient": "^9.0.1"
     },
     "devDependencies": {
-        "@types/vscode": "^1.96.0"
+        "@types/vscode": "^1.96.0",
+        "esbuild": "^0.25.2"
     }
 }

_extension/src/extension.ts

@@ -20,9 +20,23 @@ export function activate(context: vscode.ExtensionContext) {
     const output = vscode.window.createOutputChannel("typescript-go", "log");
     const traceOutput = vscode.window.createOutputChannel("typescript-go (LSP)");
 
-    const exe = context.asAbsolutePath(
-        path.join("../", "built", "local", `tsgo${process.platform === "win32" ? ".exe" : ""}`),
-    );
+    let exe;
+    if (process.env.NODE_ENV === "development") {
+        output.appendLine("Development mode detected, using local tsgo binary.");
+        exe = context.asAbsolutePath(
+            path.join(
+                "../",
+                "built",
+                "local",
+                `tsgo${process.platform === "win32" ? ".exe" : ""}`,
+            ),
+        );
+    }
+    else {
+        exe = context.asAbsolutePath(
+            path.join("bin", `tsgo${process.platform === "win32" ? ".exe" : ""}`),
+        );
+    }
 
     output.appendLine(`Resolved to ${exe}`);