idea

Author: jcbhmr

package-lock.json

@@ -0,0 +1,22 @@
+{
+  "name": "process",
+  "type": "commonjs",
+  "version": "1.0.0",
+  "description": "💻 Node.js process polyfill for browsers",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@types/node": "^20.4.2",
+    "typescript": "^5.1.6",
+    "vite": "^4.4.4",
+    "vite-plugin-commonjs": "^0.8.1"
+  },
+  "dependencies": {
+    "@nodefill/url": "^0.1.0"
+  }
+}

package.json

@@ -0,0 +1,10 @@
+// "C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe"
+// or whatever best-guess is for the current browser/platform
+const bin = "/browser";
+const path = fileURLToPath("file://" + location.pathname);
+const argv = [bin, path];
+if (!location.search.includes("=")) {
+  argv.push(location.search.slice(1));
+}
+
+export = argv;

src/argv-browser.ts

@@ -0,0 +1 @@
+export = process.argv;

src/argv-node.ts

@@ -0,0 +1,3 @@
+export = function cwd() {
+  return fileURLToPath("file://" + location.pathname);
+};

src/cwd-browser.ts

@@ -0,0 +1 @@
+export = process.cwd;

src/cwd-node.ts

@@ -0,0 +1,12 @@
+import exitCode from "./exitCode-browser.js";
+
+export = function exit(code: number): never {
+  document.documentElement?.remove();
+  document.doctype?.remove();
+  close();
+  stop();
+  if (code ?? exitCode.get()) {
+    reportError(new DOMException(`Exit code ${code}`, "AbortError"));
+  }
+  throw undefined;
+};

src/exit-browser.ts

@@ -0,0 +1 @@
+export = process.exit;

src/exit-node.ts

@@ -0,0 +1,5 @@
+let exitCodeValue = 0;
+export = {
+  get: () => exitCodeValue,
+  set: (exitCode: number) => void (exitCodeValue = exitCode),
+};

src/exitCode-browser.ts

@@ -0,0 +1,4 @@
+export = Object.getOwnPropertyDescriptor(process, "exitCode") as {
+  get(): number;
+  set(exitCode: number): void;
+};

src/exitCode-node.ts

@@ -0,0 +1,6 @@
+import argv from "./argv-browser.js";
+import cwd from "./cwd-browser.js";
+import exit from "./exit-browser.js";
+import exitCode from "./exitCode-browser.js";
+
+export { argv, cwd, exit, exitCode };

src/index-browser.ts

@@ -0,0 +1,78 @@
+import * as process from "node:process";
+
+exports._debugEnd =
+  exports._debugProcess =
+  exports._events =
+  exports._eventsCount =
+  exports._exiting =
+  exports._fatalException =
+  exports._getActiveHandles =
+  exports._getActiveRequests =
+  exports._kill =
+  exports._linkedBinding =
+  exports._maxListeners =
+  exports._preload_modules =
+  exports._rawDebug =
+  exports._startProfilerIdleNotifier =
+  exports._stopProfilerIdleNotifier =
+  exports._tickCallback =
+  exports.abort =
+  exports.allowedNodeEnvironmentFlags =
+  exports.arch =
+  exports.argv =
+  exports.argv0 =
+  exports.assert =
+  exports.binding =
+  exports.chdir =
+  exports.config =
+  exports.constrainedMemory =
+  exports.cpuUsage =
+  exports.cwd =
+  exports.debugPort =
+  exports.dlopen =
+  exports.domain =
+  exports.emitWarning =
+  exports.env =
+  exports.execArgv =
+  exports.execPath =
+  exports.exit =
+  exports.exitCode =
+  exports.features =
+  exports.getActiveResourcesInfo =
+  exports.getegid =
+  exports.geteuid =
+  exports.getgid =
+  exports.getgroups =
+  exports.getuid =
+  exports.hasUncaughtExceptionCaptureCallback =
+  exports.hrtime =
+  exports.initgroups =
+  exports.kill =
+  exports.memoryUsage =
+  exports.moduleLoadList =
+  exports.nextTick =
+  exports.openStdin =
+  exports.pid =
+  exports.platform =
+  exports.ppid =
+  exports.reallyExit =
+  exports.release =
+  exports.report =
+  exports.resourceUsage =
+  exports.setSourceMapsEnabled =
+  exports.setUncaughtExceptionCaptureCallback =
+  exports.setegid =
+  exports.seteuid =
+  exports.setgid =
+  exports.setgroups =
+  exports.setuid =
+  exports.stderr =
+  exports.stdin =
+  exports.stdout =
+  exports.title =
+  exports.umask =
+  exports.uptime =
+  exports.version =
+  exports.versions =
+    void 0;
+export = process;

src/index-node.ts

@@ -0,0 +1,7 @@
+import * as process_ from "./index-browser.js";
+
+declare global {
+  var process: typeof process_;
+}
+
+globalThis.process = process_;

src/polyfill-browser.ts

@@ -0,0 +1,8 @@
+<script type="module">
+  import exit from "../src/exit-browser.ts";
+
+  exitbutton.onclick = () => {
+    exit();
+  };
+</script>
+<button id="exitbutton">Click to trigger <code>exit()</code></button>

src/polyfill-node.ts

@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "outDir": "dist",
+    "declaration": true,
+    "target": "ESNext",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "isolatedModules": true,
+    "strict": true
+  },
+  "include": ["src"]
+}

test/exit-browser.test.html

@@ -0,0 +1,10 @@
+import { defineConfig } from "vite";
+import commonjs from "vite-plugin-commonjs";
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  build: {
+    target: "esnext",
+  },
+  plugins: [commonjs()],
+});