chore: enable modulepreload unit test

Author: sapphi-red

packages/vite/src/node/__tests__/plugins/modulePreloadPolyfill/__snapshots__/modulePreloadPolyfill.spec.ts.snap

@@ -5,36 +5,28 @@ exports[`load > doesn't load modulepreload polyfill when format is cjs 1`] = `""
 exports[`load > loads modulepreload polyfill 1`] = `
 "(function polyfill() {
   const relList = document.createElement("link").relList;
-  if (relList && relList.supports && relList.supports("modulepreload")) {
-    return;
-  }
-  for (const link of document.querySelectorAll('link[rel="modulepreload"]')) {
-    processPreload(link);
-  }
+  if (relList && relList.supports && relList.supports("modulepreload")) return;
+  for (const link of document.querySelectorAll('link[rel="modulepreload"]')) processPreload(link);
   new MutationObserver((mutations) => {
     for (const mutation of mutations) {
-      if (mutation.type !== "childList") {
-        continue;
-      }
-      for (const node of mutation.addedNodes) {
-        if (node.tagName === "LINK" && node.rel === "modulepreload")
-          processPreload(node);
-      }
+      if (mutation.type !== "childList") continue;
+      for (const node of mutation.addedNodes) if (node.tagName === "LINK" && node.rel === "modulepreload") processPreload(node);
     }
-  }).observe(document, { childList: true, subtree: true });
+  }).observe(document, {
+    childList: true,
+    subtree: true
+  });
   function getFetchOpts(link) {
     const fetchOpts = {};
     if (link.integrity) fetchOpts.integrity = link.integrity;
     if (link.referrerPolicy) fetchOpts.referrerPolicy = link.referrerPolicy;
-    if (link.crossOrigin === "use-credentials")
-      fetchOpts.credentials = "include";
+    if (link.crossOrigin === "use-credentials") fetchOpts.credentials = "include";
     else if (link.crossOrigin === "anonymous") fetchOpts.credentials = "omit";
     else fetchOpts.credentials = "same-origin";
     return fetchOpts;
   }
   function processPreload(link) {
-    if (link.ep)
-      return;
+    if (link.ep) return;
     link.ep = true;
     const fetchOpts = getFetchOpts(link);
     fetch(link.href, fetchOpts);

packages/vite/src/node/__tests__/plugins/modulePreloadPolyfill/modulePreloadPolyfill.spec.ts

@@ -37,8 +37,7 @@ const buildProject = ({ format = 'es' as ModuleFormat } = {}) =>
   }) as Promise<RollupOutput>
 
 describe('load', () => {
-  // NOTE: due to https://github.com/rolldown/rolldown/issues/2828
-  it.skip('loads modulepreload polyfill', async ({ expect }) => {
+  it('loads modulepreload polyfill', async ({ expect }) => {
     const { output } = await buildProject()
     expect(output).toHaveLength(1)
     expect(output[0].code).toMatchSnapshot()