chore: make external test pass by manually polyfilling require

Author: sapphi-red

playground/external/src/main.js

@@ -1,2 +1,3 @@
+import './require-polyfill'
 import '@vitejs/test-dep-that-imports'
 import '@vitejs/test-dep-that-requires'

playground/external/src/require-polyfill.js

@@ -0,0 +1,7 @@
+import * as vue from 'vue'
+import slash3 from 'slash3'
+globalThis.require = (dep) => {
+  if (dep === 'vue') return vue
+  if (dep === 'slash3') return slash3
+  throw new Error(`Cannot require "${dep}"`)
+}

vitest.config.e2e.ts

@@ -17,7 +17,6 @@ export default defineConfig({
       './playground/legacy/**/*.spec.[tj]s', // system format
       ...(isBuild
         ? [
-            './playground/external/**/*.spec.[tj]s', // https://github.com/rolldown/rolldown/issues/2041
             './playground/object-hooks/**/*.spec.[tj]s', // object hook sequential
             './playground/optimize-deps/**/*.spec.[tj]s', // https://github.com/rolldown/rolldown/issues/2031
             './playground/tsconfig-json/__tests__/**/*.spec.[tj]s', // decorators is not supported by oxc