refactor: replace parcel with tsc & browserify

Author: jsjoeio

.gitignore

@@ -1,6 +1,5 @@
 .tsbuildinfo
 .cache
-dist*
 /out*/
 release/
 release-npm-package/

ci/build/build-code-server.sh

@@ -3,9 +3,6 @@ set -euo pipefail
 
 # Builds code-server into out and the frontend into dist.
 
-# MINIFY controls whether parcel minifies dist.
-MINIFY=${MINIFY-true}
-
 main() {
   cd "$(dirname "${0}")/../.."
 
@@ -32,14 +29,9 @@ main() {
     set -e
   fi
 
-  parcel build \
-    --public-url "." \
-    --dist-dir dist \
-    $([[ $MINIFY ]] || echo --no-optimize) \
-    src/browser/register.ts \
-    src/browser/serviceWorker.ts \
-    src/browser/pages/login.ts \
-    src/browser/pages/vscode.ts
+  yarn browserify -p tinyify src/browser/register.ts -o out/browser/register.browserified.js
+  yarn browserify -p tinyify src/browser/pages/login.ts -o out/browser/pages/login.browserified.js
+  yarn browserify src/browser/pages/vscode.ts -o out/browser/pages/vscode.browserified.js
 }
 
 main "$@"

ci/build/build-release.sh

@@ -28,7 +28,7 @@ main() {
 }
 
 bundle_code_server() {
-  rsync out dist "$RELEASE_PATH"
+  rsync out "$RELEASE_PATH"
 
   # For source maps and images.
   mkdir -p "$RELEASE_PATH/src/browser"

ci/dev/watch.ts

@@ -1,8 +1,7 @@
 import * as cp from "child_process"
-import Parcel from "@parcel/core"
 import * as path from "path"
-
-type FixMeLater = any
+import * as fs from "fs"
+import browserify from "browserify"
 
 async function main(): Promise<void> {
   try {
@@ -42,7 +41,6 @@ class Watcher {
     const plugin = process.env.PLUGIN_DIR
       ? cp.spawn("yarn", ["build", "--watch"], { cwd: process.env.PLUGIN_DIR })
       : undefined
-    const bundler = this.createBundler()
 
     const cleanup = (code?: number | null): void => {
       Watcher.log("killing vs code watcher")
@@ -65,7 +63,7 @@ class Watcher {
         server.kill()
       }
 
-      Watcher.log("killing bundler")
+      Watcher.log("killing watch")
       process.exit(code || 0)
     }
 
@@ -86,28 +84,21 @@ class Watcher {
         cleanup(code)
       })
     }
-    const bundle = bundler.watch((err: FixMeLater, buildEvent: FixMeLater) => {
-      if (err) {
-        console.error(err)
-        Watcher.log("parcel watcher terminated unexpectedly")
-        cleanup(1)
-      }
-
-      if (buildEvent.type === "buildEnd") {
-        console.log("[parcel] bundled")
-      }
-
-      if (buildEvent.type === "buildError") {
-        console.error("[parcel]", err)
-      }
-    })
 
     vscode.stderr.on("data", (d) => process.stderr.write(d))
     tsc.stderr.on("data", (d) => process.stderr.write(d))
     if (plugin) {
       plugin.stderr.on("data", (d) => process.stderr.write(d))
     }
 
+    const browserFiles = [
+      path.join(this.rootPath, "out/browser/register.js"),
+      path.join(this.rootPath, "out/browser/pages/login.js"),
+      path.join(this.rootPath, "out/browser/pages/vscode.js"),
+    ]
+
+    bundleBrowserCode(browserFiles)
+
     // From https://github.com/chalk/ansi-regex
     const pattern = [
       "[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)",
@@ -150,7 +141,7 @@ class Watcher {
         startingVscode = true
       } else if (startingVscode && line.includes("Finished compilation")) {
         if (startedVscode) {
-          bundle.then(restartServer)
+          restartServer()
         }
         startedVscode = true
       }
@@ -162,7 +153,8 @@ class Watcher {
         console.log("[tsc]", original)
       }
       if (line.includes("Watching for file changes")) {
-        bundle.then(restartServer)
+        bundleBrowserCode(browserFiles)
+        restartServer()
       }
     })
 
@@ -173,30 +165,27 @@ class Watcher {
           console.log("[plugin]", original)
         }
         if (line.includes("Watching for file changes")) {
-          bundle.then(restartServer)
+          bundleBrowserCode(browserFiles)
+          restartServer()
         }
       })
     }
   }
+}
 
-  private createBundler(out = "dist"): FixMeLater {
-    return new (Parcel as FixMeLater)({
-      entries: [
-        path.join(this.rootPath, "src/browser/register.ts"),
-        path.join(this.rootPath, "src/browser/serviceWorker.ts"),
-        path.join(this.rootPath, "src/browser/pages/login.ts"),
-        path.join(this.rootPath, "src/browser/pages/vscode.ts"),
-      ],
-      cacheDir: path.join(this.rootPath, ".cache"),
-      logLevel: 1,
-      defaultConfig: require.resolve("@parcel/config-default"),
-      defaultTargetOptions: {
-        publicUrl: ".",
-        shouldOptimize: !!process.env.MINIFY,
-        distDir: path.join(this.rootPath, out),
-      },
-    })
-  }
+function bundleBrowserCode(inputFiles: string[]) {
+  console.log(`[browser] bundling...`)
+  inputFiles.forEach(async (path: string) => {
+    const outputPath = path.replace(".js", ".browserified.js")
+    browserify()
+      .add(path)
+      .bundle()
+      .on("error", function (error: Error) {
+        console.error(error.toString())
+      })
+      .pipe(fs.createWriteStream(outputPath))
+  })
+  console.log(`[browser] done bundling`)
 }
 
 main()

package.json

@@ -29,19 +29,15 @@
     "lint": "./ci/dev/lint.sh",
     "test": "echo 'Run yarn test:unit or yarn test:e2e' && exit 1",
     "ci": "./ci/dev/ci.sh",
-    "watch": "VSCODE_IPC_HOOK_CLI= NODE_OPTIONS=--max_old_space_size=32384 ts-node ./ci/dev/watch.ts",
+    "watch": "VSCODE_IPC_HOOK_CLI= NODE_OPTIONS='--max_old_space_size=32384 --trace-warnings' ts-node ./ci/dev/watch.ts",
     "icons": "./ci/dev/gen_icons.sh",
     "coverage": "codecov"
   },
   "main": "out/node/entry.js",
-  "targets": {
-    "main": false
-  },
   "devDependencies": {
-    "@parcel/core": "^2.0.0-beta.3.1",
-    "@parcel/types": "^2.0.0-alpha.3",
     "@schemastore/package": "^0.0.6",
     "@types/body-parser": "^1.19.0",
+    "@types/browserify": "^12.0.36",
     "@types/compression": "^1.7.0",
     "@types/cookie-parser": "^1.4.2",
     "@types/express": "^4.17.8",
@@ -60,6 +56,7 @@
     "@typescript-eslint/eslint-plugin": "^4.7.0",
     "@typescript-eslint/parser": "^4.7.0",
     "audit-ci": "^4.0.0",
+    "browserify": "^17.0.0",
     "codecov": "^3.8.1",
     "doctoc": "^2.0.0",
     "eslint": "^7.7.0",
@@ -68,12 +65,12 @@
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-prettier": "^3.1.0",
     "leaked-handles": "^5.2.0",
-    "parcel": "^2.0.0-beta.3.1",
     "prettier": "^2.2.1",
     "prettier-plugin-sh": "^0.6.0",
     "shellcheck": "^1.0.0",
     "stylelint": "^13.0.0",
     "stylelint-config-recommended": "^5.0.0",
+    "tinyify": "^3.0.0",
     "ts-node": "^10.0.0",
     "typescript": "^4.1.3",
     "wtfnode": "^0.8.4"
@@ -85,12 +82,7 @@
     "postcss": "^8.2.1",
     "browserslist": "^4.16.5",
     "safe-buffer": "^5.1.1",
-    "vfile-message": "^2.0.2",
-    "parcel/@parcel/config-default/@parcel/optimizer-cssnano/cssnano/cssnano-preset-default/postcss-svgo/svgo/css-select/css-what": "5.0.1",
-    "parcel/@parcel/config-default/@parcel/optimizer-htmlnano/htmlnano/cssnano/cssnano-preset-default/postcss-svgo/svgo/css-select/css-what": "5.0.1",
-    "parcel/@parcel/config-default/@parcel/optimizer-htmlnano/htmlnano/svgo/css-select/css-what": "5.0.1",
-    "parcel/@parcel/config-default/@parcel/optimizer-cssnano/cssnano/cssnano-preset-default/postcss-normalize-url/normalize-url": "4.5.1",
-    "parcel/@parcel/config-default/@parcel/optimizer-htmlnano/htmlnano/cssnano/cssnano-preset-default/postcss-normalize-url/normalize-url": "4.5.1"
+    "vfile-message": "^2.0.2"
   },
   "dependencies": {
     "@coder/logger": "1.1.16",

src/browser/pages/error.html

@@ -30,6 +30,6 @@ <h2 class="header">{{ERROR_HEADER}}</h2>
         </div>
       </div>
     </div>
-    <script data-cfasync="false" src="{{CS_STATIC_BASE}}/dist/register.js"></script>
+    <script data-cfasync="false" src="{{CS_STATIC_BASE}}/out/browser/register.browserified.js"></script>
   </body>
 </html>

src/browser/pages/login.html

@@ -49,6 +49,6 @@ <h1 class="main">Welcome to code-server</h1>
       </div>
     </div>
   </body>
-  <script data-cfasync="false" src="{{CS_STATIC_BASE}}/dist/register.js"></script>
-  <script data-cfasync="false" src="{{CS_STATIC_BASE}}/dist/pages/login.js"></script>
+  <script data-cfasync="false" src="{{CS_STATIC_BASE}}/out/browser/register.browserified.js"></script>
+  <script data-cfasync="false" src="{{CS_STATIC_BASE}}/out/browser/login.browserified.js"></script>
 </html>

src/browser/pages/vscode.html

@@ -39,8 +39,8 @@
   <body aria-label=""></body>
 
   <!-- Startup (do not modify order of script tags!) -->
-  <script data-cfasync="false" src="{{CS_STATIC_BASE}}/dist/pages/vscode.js"></script>
-  <script data-cfasync="false" src="{{CS_STATIC_BASE}}/dist/register.js"></script>
+  <script data-cfasync="false" src="{{CS_STATIC_BASE}}/out/browser/register.browserified.js"></script>
+  <script data-cfasync="false" src="{{CS_STATIC_BASE}}/out/browser/pages/vscode.browserified.js"></script>
   <script data-cfasync="false" src="{{CS_STATIC_BASE}}/lib/vscode/out/vs/loader.js"></script>
   <script>
     performance.mark("code/willLoadWorkbenchMain")

src/browser/pages/vscode.ts

@@ -30,8 +30,8 @@ try {
   /* Probably fine. */
 }
 
-;(self.require as any) = {
-  // Without the full URL VS Code will try to load file://.
+;(self as any).require = {
+  // Without the full URL VS Code will try to load file://.w
   baseUrl: `${window.location.origin}${options.csStaticBase}/lib/vscode/out`,
   recordStats: true,
   paths: {
@@ -52,4 +52,4 @@ try {
   document.body.style.background = JSON.parse(localStorage.getItem("colorThemeData")!).colorMap["editor.background"]
 } catch (error) {
   // Oh well.
-}
+}

tsconfig.json

@@ -1,14 +1,14 @@
 {
   "compilerOptions": {
-    "target": "es5",
+    "target": "es2020",
     "module": "commonjs",
     "moduleResolution": "node",
     "strict": true,
     "noImplicitReturns": true,
     "noUnusedLocals": true,
     "forceConsistentCasingInFileNames": true,
     "outDir": "./out",
-    "declaration": true,
+    "declaration": false,
     "experimentalDecorators": true,
     "esModuleInterop": true,
     "allowSyntheticDefaultImports": true,