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
84 lines
4.4 KiB
Plaintext
84 lines
4.4 KiB
Plaintext
tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithStringIndexer2.ts(11,11): error TS2430: Interface 'B' incorrectly extends interface 'A'.
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'string' index signatures are incompatible.
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Property 'bar' is missing in type 'Base' but required in type 'Derived'.
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tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithStringIndexer2.ts(24,27): error TS2344: Type 'Base' does not satisfy the constraint 'Derived'.
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tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithStringIndexer2.ts(32,15): error TS2430: Interface 'B3<T>' incorrectly extends interface 'A<T>'.
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'string' index signatures are incompatible.
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Type 'Base' is not assignable to type 'T'.
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'T' could be instantiated with an arbitrary type which could be unrelated to 'Base'.
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tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithStringIndexer2.ts(36,15): error TS2430: Interface 'B4<T>' incorrectly extends interface 'A<T>'.
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'string' index signatures are incompatible.
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Type 'Derived' is not assignable to type 'T'.
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'Derived' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Derived'.
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tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithStringIndexer2.ts(40,15): error TS2430: Interface 'B5<T>' incorrectly extends interface 'A<T>'.
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'string' index signatures are incompatible.
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Type 'Derived2' is not assignable to type 'T'.
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'Derived2' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Derived2'.
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==== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithStringIndexer2.ts (5 errors) ====
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// Derived type indexer must be subtype of base type indexer
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interface Base { foo: string; }
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interface Derived extends Base { bar: string; }
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interface Derived2 extends Derived { baz: string; }
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interface A {
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[x: string]: Derived;
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}
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interface B extends A {
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~
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!!! error TS2430: Interface 'B' incorrectly extends interface 'A'.
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!!! error TS2430: 'string' index signatures are incompatible.
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!!! error TS2430: Property 'bar' is missing in type 'Base' but required in type 'Derived'.
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!!! related TS2728 tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithStringIndexer2.ts:4:34: 'bar' is declared here.
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[x: string]: Base; // error
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}
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interface B2 extends A {
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[x: string]: Derived2; // ok
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}
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module Generics {
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interface A<T extends Derived> {
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[x: string]: T;
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}
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interface B extends A<Base> {
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~~~~
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!!! error TS2344: Type 'Base' does not satisfy the constraint 'Derived'.
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[x: string]: Derived; // error
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}
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interface B2 extends A<Derived> {
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[x: string]: Derived2; // ok
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}
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interface B3<T extends Derived> extends A<T> {
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~~
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!!! error TS2430: Interface 'B3<T>' incorrectly extends interface 'A<T>'.
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!!! error TS2430: 'string' index signatures are incompatible.
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!!! error TS2430: Type 'Base' is not assignable to type 'T'.
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!!! error TS2430: 'T' could be instantiated with an arbitrary type which could be unrelated to 'Base'.
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[x: string]: Base; // error
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}
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interface B4<T extends Derived> extends A<T> {
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~~
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!!! error TS2430: Interface 'B4<T>' incorrectly extends interface 'A<T>'.
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!!! error TS2430: 'string' index signatures are incompatible.
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!!! error TS2430: Type 'Derived' is not assignable to type 'T'.
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!!! error TS2430: 'Derived' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Derived'.
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[x: string]: Derived; // error
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}
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interface B5<T extends Derived2> extends A<T> {
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~~
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!!! error TS2430: Interface 'B5<T>' incorrectly extends interface 'A<T>'.
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!!! error TS2430: 'string' index signatures are incompatible.
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!!! error TS2430: Type 'Derived2' is not assignable to type 'T'.
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!!! error TS2430: 'Derived2' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Derived2'.
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[x: string]: Derived2; // error
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}
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} |