fix(std/node): global process should usable (#6392)

1 files changed, 68 insertions, 15 deletions

diff --git a/std/node/process.ts b/std/node/process.ts
index cad72a00a..12cd1b4a9 100644
--- a/std/node/process.ts
+++ b/std/node/process.ts
@@ -1,33 +1,82 @@
 import { notImplemented } from "./_utils.ts";
 
-function on(_event: string, _callback: Function): void {
-  // TODO(rsp): to be implemented
-  notImplemented();
-}
+/** https://nodejs.org/api/process.html#process_process_arch */
+export const arch = Deno.build.arch;
+
+/** https://nodejs.org/api/process.html#process_process_chdir_directory */
+export const chdir = Deno.chdir;
+
+/** https://nodejs.org/api/process.html#process_process_cwd */
+export const cwd = Deno.cwd;
+
+/** https://nodejs.org/api/process.html#process_process_exit_code */
+export const exit = Deno.exit;
+
+/** https://nodejs.org/api/process.html#process_process_pid */
+export const pid = Deno.pid;
+
+/** https://nodejs.org/api/process.html#process_process_platform */
+export const platform = Deno.build.os === "windows" ? "win32" : Deno.build.os;
+
+/** https://nodejs.org/api/process.html#process_process_version */
+export const version = `v${Deno.version.deno}`;
+
+/** https://nodejs.org/api/process.html#process_process_versions */
+export const versions = {
+  node: Deno.version.deno,
+  ...Deno.version,
+};
 
+/** https://nodejs.org/api/process.html#process_process */
+// @deprecated exported only for backwards compatibility with old deno versions
 export const process = {
-  version: `v${Deno.version.deno}`,
-  versions: {
-    node: Deno.version.deno,
-    ...Deno.version,
+  arch,
+  chdir,
+  cwd,
+  exit,
+  pid,
+  platform,
+  version,
+  versions,
+
+  /** https://nodejs.org/api/process.html#process_process_events */
+  // node --input-type=module -e "import {on} from 'process'; console.log(on)"
+  // on is not exported by node, it is only available within process
+  on(_event: string, _callback: Function): void {
+    // TODO(rsp): to be implemented
+    notImplemented();
   },
-  platform: Deno.build.os === "windows" ? "win32" : Deno.build.os,
-  arch: Deno.build.arch,
-  pid: Deno.pid,
-  cwd: Deno.cwd,
-  chdir: Deno.chdir,
-  exit: Deno.exit,
-  on,
+
+  /** https://nodejs.org/api/process.html#process_process_env */
   get env(): { [index: string]: string } {
     // using getter to avoid --allow-env unless it's used
     return Deno.env.toObject();
   },
+
+  /** https://nodejs.org/api/process.html#process_process_argv */
   get argv(): string[] {
     // Deno.execPath() also requires --allow-env
     return [Deno.execPath(), ...Deno.args];
   },
 };
 
+// define the type for configuring the env and argv promises
+// as well as for the global.process declaration
+type Process = typeof process;
+
+/** requires the use of await for compatibility with deno */
+export const env = new Promise<Process["env"]>((resolve) =>
+  resolve(process.env)
+);
+
+/** requires the use of await for compatibility with deno */
+export const argv = new Promise<Process["argv"]>((resolve) =>
+  resolve(process.argv)
+);
+
+/** use this for access to `process.env` and `process.argv` without the need for await */
+export default process;
+
 Object.defineProperty(process, Symbol.toStringTag, {
   enumerable: false,
   writable: true,
@@ -41,3 +90,7 @@ Object.defineProperty(globalThis, "process", {
   writable: true,
   configurable: true,
 });
+
+declare global {
+  const process: Process;
+}