0e905be42b
* Switch index signature storage to 'indexInfos: IndexInfo[]' property * Accept new baselines * Remove another usage of IndexKind enum * Update getIndexedAccessType and resolveMappedTypeMembers * Accept new baselines * Update grammar checking for index signatures * Accept new baselines * Consider all index signatures in mapped types and union types * Accept new baselines * Update getIndexType * Accept new baselines * Intersect multiple applicable index signatures * Use getApplicableIndexInfo instead of hardwired string/number handling * Update index signature relationship checking * Report type for which index signature is missing * Report type for which index signature is missing * Accept new baselines * Make 'number' index signatures consistently apply to numeric strings * Accept new baselines * Update fourslash test * Revise index constraint checking * Accept new baselines * Update error messages * Accept new baselines * Update type inference from index signatures * Update isKnownProperty * Update contextual typing based on index signatures * Accept new baselines * Support union types in index signature declarations * Accept new baselines * Check duplicate index signatures / remove redundant template literals from unions with string * Accept new baselines * Include key type in diagnostic / check symbol-named properties * Accept new baselines * Minor fix * Add tests * Accept new baselines * Add optimized findApplicableIndexInfoForName * Accept new baselines * Another place we don't need to obtain literal type for property name * Accept new baselines * Don't create literal types that are going to be discarded * Individual maps for string, number, bigint, and enum literal types * Remove ineffective optimizations * Accept new baselines * Permit intersections as key types in index signatures * Index expression in element access is template literal context * Add tests * Accept new baselines * Symbol index signatures from object literals with computed symbol properties * Accept new baselines * Add more tests * Accept new baselines * Implement Go To Definition for all applicable index signatures * Add fourslash test * Accept new API baselines
30 lines
900 B
Plaintext
30 lines
900 B
Plaintext
tests/cases/compiler/inheritedStringIndexersFromDifferentBaseTypes2.ts(18,11): error TS2413: 'number' index type '{}' is not assignable to 'string' index type '{ a: any; }'.
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==== tests/cases/compiler/inheritedStringIndexersFromDifferentBaseTypes2.ts (1 errors) ====
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// indexer in B is a subtype of indexer in A
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interface A {
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[s: string]: {
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a;
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};
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}
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interface B {
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[s: number]: {
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a;
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b;
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};
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}
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interface C extends A, B { } // ok
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interface D {
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[s: number]: {};
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}
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interface E extends A, D { } // error
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~
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!!! error TS2413: 'number' index type '{}' is not assignable to 'string' index type '{ a: any; }'.
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interface F extends A, D {
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[s: number]: {
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a;
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};
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} // ok because we overrode D's number index signature |