Move commented tests from resolveMdxUrl.ts to vitest

[Copilot]

Plan: Move Commented Tests to Vitest

• Set up vitest infrastructure
  • Install vitest as devDependency
  • Create minimal vitest configuration file (vitest.config.ts)
  • Merge vitest into main test script
  • Configure vitest to exclude Playwright tests
• Create test file for resolveMdxUrl
  • Create src/utils/resolveMdxUrl.test.ts
  • Convert all commented tests to proper vitest tests (20 tests)
  • Organize tests into logical groups (absolute paths, relative paths, edge cases, etc.)
• Validate tests
  • Run vitest to ensure all tests pass (20/20 passing)
  • Remove commented tests from source file
• Address review feedback
  • Removed unnecessary @vitest/ui package
  • Merged test:unit into test script
  • Simplified vitest.config.ts (removed defaults)
• CI validation
  • Verified CI workflow with act (dry run successful)
  • Linting passed for changed files
• Final validation
  • Code review completed - no issues
  • CodeQL security check passed - no vulnerabilities

Summary

Successfully moved all commented tests from resolveMdxUrl.ts to a proper vitest test suite. All 20 tests are passing. Addressed reviewer feedback to minimize dependencies and configuration.

Original prompt

On resolveMdxUrl.ts, https://github.com/pmndrs/docs/blob/main/src/utils/resolveMdxUrl.ts can you move the commented tests as vitest, so we effectively test this

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[abernier]

@copilot

[abernier]

@copilot why this package, necessary ?

[Copilot]

You're right, it wasn't necessary. Removed in 5109941.

[abernier]

@copilot no ditectly into "test"

[Copilot]

Done! Merged into the main "test" script in 5109941. Now runs vitest && playwright test.