build: update ng-dev setup to work with new ESM version

The `ng-dev` tool is now strict ESM. Config loading needs to be updated
to also emit `.mjs` with `ts-node` (this cannot happen dynamically as
ESM Node loading cannot be patched by ts-node at runtime).

Author: devversion

.ng-dev/caretaker.ts renamed to .ng-dev/caretaker.mts

@@ -0,0 +1,13 @@
+import { CommitMessageConfig } from '@angular/dev-infra-private/ng-dev';
+import packages from '../lib/packages.js';
+
+/**
+ * The configuration for `ng-dev commit-message` commands.
+ */
+export const commitMessage: CommitMessageConfig = {
+  maxLineLength: Infinity,
+  minBodyLength: 0,
+  minBodyLengthTypeExcludes: ['docs'],
+  // Note: When changing this logic, also change the `contributing.ejs` file.
+  scopes: [...Object.keys(packages.packages)],
+};

.ng-dev/commit-message.mts

@@ -0,0 +1,6 @@
+export { commitMessage } from './commit-message.mjs';
+export { format } from './format.mjs';
+export { github } from './github.mjs';
+export { pullRequest } from './pull-request.mjs';
+export { release } from './release.mjs';
+export { caretaker } from './caretaker.mjs';

.ng-dev/commit-message.ts

@@ -1,10 +1,10 @@
-import '../lib/bootstrap-local';
+import '../lib/bootstrap-local.js';
 
 import { ReleaseConfig } from '@angular/dev-infra-private/ng-dev';
-import { releasePackages } from '../lib/packages';
-import buildPackages from '../scripts/build';
+import packages from '../lib/packages.js';
+import buildPackages from '../scripts/build.js';
 
-const npmPackages = Object.entries(releasePackages).map(([name, { experimental }]) => ({
+const npmPackages = Object.entries(packages.releasePackages).map(([name, { experimental }]) => ({
   name,
   experimental,
 }));
@@ -13,7 +13,7 @@ const npmPackages = Object.entries(releasePackages).map(([name, { experimental }
 export const release: ReleaseConfig = {
   representativeNpmPackage: '@angular/cli',
   npmPackages,
-  buildPackages: () => buildPackages(),
+  buildPackages: () => buildPackages.default(),
   releaseNotes: {
     groupOrder: [
       '@angular/cli',

.ng-dev/config.mts

@@ -1,8 +1,10 @@
 {
   "extends": "../tsconfig.json",
   "compilerOptions": {
+    "module": "Node16",
+    "moduleResolution": "Node16",
     "noEmit": true
   },
-  "include": ["**/*.ts"],
+  "include": ["**/*.mts"],
   "exclude": []
 }