typescript
https://github.com/microsoft/typescript
TypeScript
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
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- Issues
- Update wiki "Using the Compiler API" for TypeScript v7
- Project references resolve a symlinked sibling's raw source instead of its own composite output, using the wrong project's compilerOptions
- lib: fix Atomics.waitAsync timeout parameter description
- lib: fix two Reflect JSDoc defects
- lib: fix JSDoc @param tags that document nothing
- `importHelpers` incorrectly requires `tslib` for native `#private` class members at every dated `target` (ES2022–ES2025), even though no helper is ever emitted
- --incremental: after a pnpm dependency version change, the cached run is slower than a cold run and most of the time is unattributed
- Type argument with a subset of the parameter constraint's optional keys incorrectly reported as unassignable to constraint
- fix(lib): rectify docs error for Array.prototype.at
- Type narrowing not working correctly with Uppercase<string> & Lowercase<string>
- Docs
- TypeScript not yet supported