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Restore index signature details in property hovers - #64586
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Mateusz Burzyński (Andarist) wants to merge 8 commits into
Open
Mateusz Burzyński (Andarist) wants to merge 8 commits into
Mateusz Burzyński (Andarist) wants to merge 8 commits into
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Mateusz Burzyński (Andarist)
October 2, 2026 08:42
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Copilot review overview
🟡 Changes recommended
Inherited index-signature hover containers depend on which receiver is hovered first.
Review effort: Balanced
Findings: 1
Open (1)
What changed in this PR
Restores index-signature context in property hovers, addressing #64582.
Changes:
- Renders index containers and key types in hovers.
- Exposes checker index information to the language service.
- Adds and re-enables fourslash coverage and updates JSX baselines.
| File | Description |
|---|---|
tsc/internal/checker/exports.go |
Exposes index-symbol information. |
tsc/internal/ls/hover.go |
Formats index-signature hover details. |
tsc/internal/fourslash/tests/quickInfoIndexSignatureProperty_test.go |
Tests common index signatures. |
tsc/internal/fourslash/tests/quickInfoIndexSignaturePropertyUnchecked_test.go |
Tests unchecked indexed access. |
tsc/internal/fourslash/tests/quickInfoOnPropDeclaredUsingIndexSignatureOnInterfaceWithBase_test.go |
Re-enables inherited-signature coverage. |
tsc/internal/fourslash/tests/jsDocPropertyDescription1_test.go |
Re-enables string-index JSDoc coverage. |
tsc/internal/fourslash/tests/jsDocPropertyDescription4_test.go |
Re-enables union-key JSDoc coverage. |
tsc/internal/fourslash/tests/jsDocPropertyDescription7_test.go |
Re-enables static-index JSDoc coverage. |
tsc/testdata/baselines/reference/fourslash/quickInfo/quickInfoOnJsxIntrinsicDeclaredUsingTemplateLiteralTypeSignatures.baseline |
Updates template-literal JSX hovers. |
tsc/testdata/baselines/reference/fourslash/quickInfo/quickInfoOnJsxIntrinsicDeclaredUsingCatchCallIndexSignature.baseline |
Updates catch-all JSX hovers. |
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Jake Bailey (jakebailey)
approved these changes
Oct 2, 2026
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Review effort: Lite
Findings: 3
Open (3)
Resolved since last review (1)
| func (c *Checker) GetIndexInfosOfIndexSymbol(symbol *ast.Symbol) []*IndexInfo { | ||
| var siblingSymbols []*ast.Symbol | ||
| if symbol.Parent != nil { | ||
| siblingSymbols = slices.Collect(maps.Values(c.getMembersOfSymbol(symbol.Parent))) |
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Yeah, I would suggest sorting these.
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fixes #64582