* 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
34 lines
1.5 KiB
Plaintext
34 lines
1.5 KiB
Plaintext
tests/cases/conformance/interfaces/declarationMerging/mergedInterfacesWithIndexers2.ts(4,5): error TS2413: 'number' index type 'string' is not assignable to 'string' index type '{ length: string; }'.
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tests/cases/conformance/interfaces/declarationMerging/mergedInterfacesWithIndexers2.ts(14,5): error TS2411: Property ''a'' of type 'number' is not assignable to 'string' index type '{ length: number; }'.
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tests/cases/conformance/interfaces/declarationMerging/mergedInterfacesWithIndexers2.ts(20,5): error TS2411: Property '1' of type '{ length: number; }' is not assignable to 'number' index type 'string'.
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==== tests/cases/conformance/interfaces/declarationMerging/mergedInterfacesWithIndexers2.ts (3 errors) ====
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// indexers should behave like other members when merging interface declarations
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interface A {
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[x: number]: string; // error
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~~~~~~~~~~~~~~~~~~~~
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!!! error TS2413: 'number' index type 'string' is not assignable to 'string' index type '{ length: string; }'.
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}
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interface A {
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[x: string]: { length: string }; // error
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}
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interface A2 {
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[x: number]: string;
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'a': number; //error
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~~~
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!!! error TS2411: Property ''a'' of type 'number' is not assignable to 'string' index type '{ length: number; }'.
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}
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interface A2 {
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[x: string]: { length: number };
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1: { length: number }; // error
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~
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!!! error TS2411: Property '1' of type '{ length: number; }' is not assignable to 'number' index type 'string'.
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}
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