Disallow truthiness/nullishness checks on syntax that never varies on it - #59217

Merged

Ryan Cavanaugh (RyanCavanaugh) merged 13 commits into

microsoft:mainfrom

RyanCavanaugh:noSuspectTruthyChecks

Jul 22, 2024

Commits on Jul 19, 2024

Check ?? and truthiness checks for suspicious expression syntax
Ryan Cavanaugh (RyanCavanaugh)
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26f7cd3
Lint/format
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263a967
Fix-ups
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02353fc
Format
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f4a4251
Update error messages
Ryan Cavanaugh (RyanCavanaugh)
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ca1034f
Merge branch 'main' of https://github.com/microsoft/TypeScript into noSuspectTruthyChecks
Ryan Cavanaugh (RyanCavanaugh)
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701b54a

Commits on Jul 22, 2024

Format
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3388e4c
Add @internal
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6d0da7a
Handle not-undefined undefineds
Ryan Cavanaugh (RyanCavanaugh)
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64d27ce
Resolve identifiers to check for undefined
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f988a05
Baseline update
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b786cf2
Add tests; just use skipOuterExpressions
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5f59624
🧹
Ryan Cavanaugh (RyanCavanaugh)
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ba53157