Add failing test for reverse mapped this leak (#62779) - #62801
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Gnana Priyanka (priyankagnana) wants to merge 2 commits into
Closed
Add failing test for reverse mapped this leak (#62779)#62801Gnana Priyanka (priyankagnana) wants to merge 2 commits into
this leak (#62779)#62801Gnana Priyanka (priyankagnana) wants to merge 2 commits into
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TypeScript Bot (typescript-bot)
added
the
For Uncommitted Bug
Contributor
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This PR doesn't have any linked issues. Please open an issue that references this PR. From there we can discuss and prioritise. |
Member
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We don't need a PR for the failing test alone. The issue already has it, so we should add this when the issue is fixed. |
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Related to #62779
This PR adds a failing compiler test for issue #62779.
Summary
The test demonstrates that
thisinside a reverse-mapped type leaks a generic key type and causes incorrect inference (T[string]) instead of the concrete property return type.Files added
Reproduction
The test is the minimal reproduction from the issue and is runnable with the existing test harness.
Notes
npm test -- tests/cases/compiler/reverseMappedThisLeak.ts(should pass once baselines are inreference/)npm test -- --generateBaselinewas used earlier to create these baselines.(Please let me know if maintainers want a smaller repro or further variations.)