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
60 lines
1.2 KiB
Plaintext
60 lines
1.2 KiB
Plaintext
=== tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithObjectTypeArgsAndIndexers.ts ===
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// Type inference infers from indexers in target type, no errors expected
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function foo<T>(x: T) {
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>foo : <T>(x: T) => T
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>x : T
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return x;
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>x : T
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}
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var a: {
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>a : { [x: string]: Object; [x: number]: Date; }
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[x: string]: Object;
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>x : string
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[x: number]: Date;
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>x : number
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};
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var r = foo(a);
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>r : { [x: string]: Object; [x: number]: Date; }
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>foo(a) : { [x: string]: Object; [x: number]: Date; }
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>foo : <T>(x: T) => T
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>a : { [x: string]: Object; [x: number]: Date; }
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function other<T extends Date>(arg: T) {
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>other : <T extends Date>(arg: T) => void
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>arg : T
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var b: {
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>b : { [x: string]: Object; [x: number]: T; }
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[x: string]: Object;
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>x : string
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[x: number]: T
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>x : number
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};
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var r2 = foo(b);
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>r2 : { [x: string]: Object; [x: number]: T; }
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>foo(b) : { [x: string]: Object; [x: number]: T; }
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>foo : <T>(x: T) => T
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>b : { [x: string]: Object; [x: number]: T; }
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var d = r2[1];
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>d : T
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>r2[1] : T
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>r2 : { [x: string]: Object; [x: number]: T; }
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>1 : 1
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var e = r2['1'];
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>e : T
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>r2['1'] : T
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>r2 : { [x: string]: Object; [x: number]: T; }
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>'1' : "1"
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}
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