Add automated job to create es yearly globals (#257)

.github/workflows/es-yearly-globals.yml

@@ -0,0 +1,24 @@
+name: Create ES yearly globals
+
+on:
+  workflow_dispatch:
+  schedule:
+    # “At 00:00 on day-of-month 1 in July.” https://crontab.guru/#0_0_1_7_*
+    - cron: "0 0 1 7 *"
+
+jobs:
+  update:
+    if: github.event_name != 'schedule' || github.repository == 'sindresorhus/globals'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+      - run: npm install
+      - run: node scripts/create-yearly-es-globals.mjs
+      - run: npm run build
+      - uses: peter-evans/create-pull-request@v6
+        with:
+          commit-message: Add `es2026` globals
+          branch: automated-es-yearly-globals
+          branch-suffix: timestamp
+          title: Add `es2026` globals

.github/workflows/update.yml

@@ -20,7 +20,7 @@ jobs:
       - run: npm run update
       - uses: peter-evans/create-pull-request@v6
         with:
-          commit-message: Update
+          commit-message: Update globals
           branch: automated-update
           branch-suffix: timestamp
           title: Update globals

scripts/create-yearly-es-globals.mjs

@@ -0,0 +1,21 @@
+import fs from 'node:fs';
+
+const year = new Date().getFullYear();
+const dataFile = new URL(`../data/es${year + 1}.mjs`, import.meta.url);
+const workflowFile = new URL('../.github/workflows/es-yearly-globals.yml', import.meta.url);
+
+fs.writeFileSync(
+	dataFile,
+	`export {default} from './es${year}.mjs';\n`,
+);
+
+fs.writeFileSync(
+	workflowFile,
+	fs.readFileSync(workflowFile, 'utf8')
+		.replaceAll(
+			`Add \`es${year + 1}\` globals`,
+			`Add \`es${year + 2}\` globals`,
+		),
+);
+
+console.log(`✅ es${year + 1} globals added, see you next year.`);