test(e2e): add test case for new web worker (#1576)

e2e/cases/web-worker/new-worker/index.test.ts

@@ -0,0 +1,15 @@
+import path from 'node:path';
+import { expect, test } from '@playwright/test';
+import { build, gotoPage } from '@e2e/helper';
+
+test('should allow to build web-worker with new Worker', async ({ page }) => {
+  const rsbuild = await build({
+    cwd: __dirname,
+    runServer: true,
+  });
+
+  await gotoPage(page, rsbuild);
+  await expect(page.locator('#root')).toHaveText(
+    'The Answer to the Ultimate Question of Life, The Universe, and Everything: 42',
+  );
+});

e2e/cases/web-worker/new-worker/src/index.js

@@ -0,0 +1,10 @@
+const worker = new Worker(new URL('./worker.js', import.meta.url));
+
+worker.postMessage({
+  question:
+    'The Answer to the Ultimate Question of Life, The Universe, and Everything',
+});
+
+worker.onmessage = ({ data: { answer } }) => {
+  document.getElementById('root').innerHTML = answer;
+};

e2e/cases/web-worker/new-worker/src/worker.js

@@ -0,0 +1,5 @@
+self.onmessage = ({ data: { question } }) => {
+  self.postMessage({
+    answer: `${question}: 42`,
+  });
+};