Merge pull request #4200 from github/mbg/esm/migrate-pr-checks

Fully migrate `pr-checks` to ESM

Author: mbg

.github/workflows/pr-checks.yml

@@ -128,9 +128,9 @@ jobs:
         working-directory: pr-checks
         run: npx tsx --test
 
-      - name: Run `pr-checks/changenotes.mts` to ensure that all unreleased change notes are valid
+      - name: Run `pr-checks/changenotes.ts` to ensure that all unreleased change notes are valid
         if: ${{ !cancelled() && steps.install-deps.outcome == 'success' }}
-        run: npx tsx pr-checks/changenotes.mts validate
+        run: npx tsx pr-checks/changenotes.ts validate
 
       - name: Verify all Actions use the same Node version
         id: head-version

eslint.config.mjs

@@ -158,7 +158,7 @@ export default [
     },
   },
   {
-    files: ["**/*.ts", "**/*.js", "**/*.mts"],
+    files: ["**/*.ts", "**/*.js"],
 
     rules: {
       "@typescript-eslint/no-explicit-any": "off",
@@ -180,7 +180,7 @@ export default [
     },
   },
   {
-    files: ["pr-checks/**/*.ts", "pr-checks/**/*.mts"],
+    files: ["pr-checks/**/*.ts"],
 
     languageOptions: {
       parserOptions: {

package-lock.json

@@ -0,0 +1 @@
+24

pr-checks/.nvmrc

@@ -122,6 +122,6 @@ function main() {
 }
 
 // Only call `main` if this script was run directly.
-if (require.main === module) {
+if (import.meta.main) {
   process.exit(main());
 }

pr-checks/bundle-changelog.ts

@@ -43,6 +43,6 @@ async function main() {
 }
 
 // Only call `main` if this script was run directly.
-if (require.main === module) {
+if (import.meta.main) {
   void main();
 }

pr-checks/bundle-metadata.ts

@@ -9,7 +9,7 @@ import {
   isValidChangenoteFile,
   isValidChangenoteFilename,
   VALID_CHANGE_NOTE_CATEGORIES,
-} from "./validate.mjs";
+} from "./validate";
 
 await describe("isValidChangenoteContent", async () => {
   await it("recognizes an unordered Markdown list", () => {

pr-checks/changelog/validate.test.mts pr-checks/changelog/validate.test.tspr-checks/changelog/validate.test.mts renamed to pr-checks/changelog/validate.test.ts

@@ -14,7 +14,7 @@ import {
   renderChangelog,
   withChangelog,
 } from "./changelog";
-import { isValidChangenoteFile } from "./changelog/validate.mjs";
+import { isValidChangenoteFile } from "./changelog/validate";
 import { CHANGENOTES_DIR } from "./config";
 
 /**
@@ -82,9 +82,9 @@ function main(): ExitCode {
 
 function usage(): ExitCode {
   const message =
-    "Usage: changenotes.mts assemble\n" +
-    "       changenotes.mts validate\n" +
-    "       changenotes.mts help";
+    "Usage: changenotes.ts assemble\n" +
+    "       changenotes.ts validate\n" +
+    "       changenotes.ts help";
   console.log(message);
   return ExitCode.Success;
 }

pr-checks/changelog/validate.mts pr-checks/changelog/validate.tspr-checks/changelog/validate.mts renamed to pr-checks/changelog/validate.ts

@@ -218,6 +218,6 @@ async function run(): Promise<void> {
   }
 }
 
-if (require.main === module) {
+if (import.meta.main) {
   void run();
 }