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iisaduan
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Feb 5, 2026
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Pull request overview
This PR completes the porting of TypeScript PR #61696 by adding the missing esnext.typedarrays library mapping. The change was previously started in PR #2689 when targeting TS 6.0 behavior, but the library mapping was inadvertently omitted.
Changes:
- Added
esnext.typedarrayslibrary mapping to the TypeScript compiler options - Updated test baselines to reflect the newly available library option
Reviewed changes
Copilot reviewed 23 out of 23 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
internal/tsoptions/enummaps.go |
Added esnext.typedarrays → lib.esnext.typedarrays.d.ts mapping to LibMap |
internal/compiler/program_test.go |
Added lib.esnext.typedarrays.d.ts to the esnextLibs test list |
| Multiple baseline files | Updated help text, error messages, and symbol resolution to include esnext.typedarrays |
libCompileChecks.errors.txt |
Removed - error about missing lib definition is now resolved |
RyanCavanaugh
approved these changes
Feb 5, 2026
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Finishes porting microsoft/TypeScript#61696, which I meant to do in #2689 but apparently missed. Needed because otherwise esnext is broken. Oops.