From 3623fe9118be14eedd1a04351df5e15b3d7a289a Mon Sep 17 00:00:00 2001
From: Alan Agius <alanagius@google.com>
Date: Tue, 12 Dec 2023 16:48:17 +0000
Subject: [PATCH] fix(@angular-devkit/build-angular): update ESM loader to work
 with Node.js 18.19.0

In Node.js 18.19 ESM loaders works the same way as Node.js 20.9+

Closes #26648

(cherry picked from commit 7a50df5c046b65bb196408dd2c4771d5deccd034)
---
 .../esm-in-memory-loader/node-18-utils.ts             | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/packages/angular_devkit/build_angular/src/utils/server-rendering/esm-in-memory-loader/node-18-utils.ts b/packages/angular_devkit/build_angular/src/utils/server-rendering/esm-in-memory-loader/node-18-utils.ts
index 344248434c2b..9fb9bae880d6 100644
--- a/packages/angular_devkit/build_angular/src/utils/server-rendering/esm-in-memory-loader/node-18-utils.ts
+++ b/packages/angular_devkit/build_angular/src/utils/server-rendering/esm-in-memory-loader/node-18-utils.ts
@@ -9,23 +9,24 @@
 import { join } from 'node:path';
 import { pathToFileURL } from 'node:url';
 import { workerData } from 'node:worker_threads';
+import { satisfies } from 'semver';
 
-let IS_NODE_18: boolean | undefined;
-function isNode18(): boolean {
-  return (IS_NODE_18 ??= process.versions.node.startsWith('18.'));
+let SUPPORTS_IMPORT_FLAG: boolean | undefined;
+function supportsImportFlag(): boolean {
+  return (SUPPORTS_IMPORT_FLAG ??= satisfies(process.versions.node, '>= 18.19'));
 }
 
 /** Call the initialize hook when running on Node.js 18 */
 export function callInitializeIfNeeded(
   initialize: (typeof import('./loader-hooks'))['initialize'],
 ): void {
-  if (isNode18()) {
+  if (!supportsImportFlag()) {
     initialize(workerData);
   }
 }
 
 export function getESMLoaderArgs(): string[] {
-  if (isNode18()) {
+  if (!supportsImportFlag()) {
     return [
       '--no-warnings', // Suppress `ExperimentalWarning: Custom ESM Loaders is an experimental feature...`.
       '--loader',