From ef6f98c2e342bf0ea26ac9f1374bb018519dc12d Mon Sep 17 00:00:00 2001
From: Antoine du Hamel <duhamelantoine1995@gmail.com>
Date: Sun, 19 Dec 2021 23:40:53 +0100
Subject: [PATCH] child_process: add support for URL to `cp.fork`

PR-URL: https://github.com/nodejs/node/pull/41225
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 doc/api/child_process.md                      |  7 ++++++-
 lib/child_process.js                          |  4 ++--
 test/parallel/test-child-process-fork-url.mjs | 11 +++++++++++
 3 files changed, 19 insertions(+), 3 deletions(-)
 create mode 100644 test/parallel/test-child-process-fork-url.mjs

diff --git a/doc/api/child_process.md b/doc/api/child_process.md
index 360ece1095ee2a..c457ac8aa34c8e 100644
--- a/doc/api/child_process.md
+++ b/doc/api/child_process.md
@@ -391,6 +391,11 @@ controller.abort();
 <!-- YAML
 added: v0.5.0
 changes:
+  - version:
+      - REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/41225
+    description: The `modulePath` parameter can be a WHATWG `URL` object using
+                 `file:` protocol.
   - version:
       - v16.4.0
       - v14.18.0
@@ -425,7 +430,7 @@ changes:
     description: The `stdio` option is supported now.
 -->
 
-* `modulePath` {string} The module to run in the child.
+* `modulePath` {string|URL} The module to run in the child.
 * `args` {string\[]} List of string arguments.
 * `options` {Object}
   * `cwd` {string|URL} Current working directory of the child process.
diff --git a/lib/child_process.js b/lib/child_process.js
index 62c552d567eaad..829e5fe5b9ff66 100644
--- a/lib/child_process.js
+++ b/lib/child_process.js
@@ -91,7 +91,7 @@ const MAX_BUFFER = 1024 * 1024;
 
 /**
  * Spawns a new Node.js process + fork.
- * @param {string} modulePath
+ * @param {string|URL} modulePath
  * @param {string[]} [args]
  * @param {{
  *   cwd?: string;
@@ -112,7 +112,7 @@ const MAX_BUFFER = 1024 * 1024;
  * @returns {ChildProcess}
  */
 function fork(modulePath /* , args, options */) {
-  validateString(modulePath, 'modulePath');
+  modulePath = getValidatedPath(modulePath, 'modulePath');
 
   // Get options and args arguments.
   let execArgv;
diff --git a/test/parallel/test-child-process-fork-url.mjs b/test/parallel/test-child-process-fork-url.mjs
new file mode 100644
index 00000000000000..9261b875638e91
--- /dev/null
+++ b/test/parallel/test-child-process-fork-url.mjs
@@ -0,0 +1,11 @@
+import { mustCall } from '../common/index.mjs';
+import { fork } from 'child_process';
+
+if (process.argv[2] === 'child') {
+  process.disconnect();
+} else {
+  const child = fork(new URL(import.meta.url), ['child']);
+
+  child.on('disconnect', mustCall());
+  child.once('exit', mustCall());
+}