Dev: Auto-clean TypeScript types when switching branches#76217
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Dev: Auto-clean TypeScript types when switching branches#76217
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Automatically detect branch switches via git HEAD and run `npm run clean:package-types` before the TypeScript build. This prevents stale type artifacts from causing compilation errors when moving between branches. The `headTracker` compares the current git HEAD with a saved `.dev-head` marker file. If they differ, TypeScript declarations are cleaned and rebuilt, ensuring type definitions match the current source code. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Size Change: 0 B Total Size: 6.87 MB ℹ️ View Unchanged
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Flaky tests detected in 827c3b6. 🔍 Workflow run URL: https://github.com/WordPress/gutenberg/actions/runs/22764995941
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im3dabasia
added
[Type] Enhancement
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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What?
Automatically clean stale TypeScript type artifacts when switching branches during development to prevent compilation errors.
Why?
When switching Git branches, stale TypeScript declaration files (
.d.ts) and incremental build cache (.tsbuildinfo) from the previous branch cause 40+ type errors on the nextnpm start. Users had to manually runnpm run clean:package-typesto recover.How?
Added a
headTrackerutility tobin/dev.mjsthat:npm start.dev-headmarker file from the last buildnpm run clean:package-typesbefore TypeScript compilationThis means:
Testing Instructions
npm installnpm startgit checkout trunknpm startagain