test: Vite integration tests

[timfish]

This PR adds new more complete integration tests for Vite 4, 7 and 8.

• v4 will be the oldest supported version
• v7 is the last major with Rollup
• v8 is latest using Rolldown.

[github-actions]

Semver Impact of This PR

🟢 Patch (bug fixes)

📋 Changelog Preview

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New Features ✨

• Use crypto.randomUUID rather than uuid by timfish in #892

Internal Changes 🔧

• Vite integration tests by timfish in #899

• Isolate integration test package installs by timfish in #902
• Pin GitHub Actions to full-length commit SHAs by joshuarli in #900
• Rollup integration tests by timfish in #897
• New integration tests by timfish in #896
• Remove lerna by timfish in #895
• Migrate to Vitest by timfish in #894

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_{🤖 This preview updates automatically when you update the PR.}

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Autofix Details

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Copy-pasted Node version skip is wrong for Vite 4
  • Fixed vite4/utils.ts to check Node <14 instead of <20, and corrected vite7/utils.ts comment from 'Vite v8' to 'Vite v7'.

Or push these changes by commenting:

@cursor push 5b62142bc5

Preview (5b62142bc5)

diff --git a/packages/integration-tests-next/fixtures/vite4/utils.ts b/packages/integration-tests-next/fixtures/vite4/utils.ts
--- a/packages/integration-tests-next/fixtures/vite4/utils.ts
+++ b/packages/integration-tests-next/fixtures/vite4/utils.ts
@@ -26,8 +26,8 @@
   // Clear the output directory before running the test
   rmSync(outDir, { recursive: true, force: true });
 
-  // Vite v8 requires Node 20+
-  if (NODE_MAJOR_VERSION < 20) {
+  // Vite v4 requires Node 14.18+
+  if (NODE_MAJOR_VERSION < 14) {
     // eslint-disable-next-line @typescript-eslint/no-empty-function
     vitestTest.skip(testName);
   } else {

diff --git a/packages/integration-tests-next/fixtures/vite7/utils.ts b/packages/integration-tests-next/fixtures/vite7/utils.ts
--- a/packages/integration-tests-next/fixtures/vite7/utils.ts
+++ b/packages/integration-tests-next/fixtures/vite7/utils.ts
@@ -26,7 +26,7 @@
   // Clear the output directory before running the test
   rmSync(outDir, { recursive: true, force: true });
 
-  // Vite v8 requires Node 20+
+  // Vite v7 requires Node 20+
   if (NODE_MAJOR_VERSION < 20) {
     // eslint-disable-next-line @typescript-eslint/no-empty-function
     vitestTest.skip(testName);

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[timfish]

Thanks @chargome. There are still a few issues with this PR but hopefully #902 will help!