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
83 lines
4.4 KiB
Plaintext
83 lines
4.4 KiB
Plaintext
tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithNumericIndexer5.ts(11,7): error TS2420: Class 'B' incorrectly implements interface 'A'.
|
|
'string' and 'number' index signatures are incompatible.
|
|
Type 'Base' is not assignable to type 'Derived'.
|
|
Property 'bar' is missing in type 'Base' but required in type 'Derived'.
|
|
tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithNumericIndexer5.ts(32,11): error TS2420: Class 'B3<T>' incorrectly implements interface 'A<T>'.
|
|
'string' and 'number' index signatures are incompatible.
|
|
Type 'Base' is not assignable to type 'T'.
|
|
'T' could be instantiated with an arbitrary type which could be unrelated to 'Base'.
|
|
tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithNumericIndexer5.ts(36,11): error TS2420: Class 'B4<T>' incorrectly implements interface 'A<T>'.
|
|
'string' and 'number' index signatures are incompatible.
|
|
Type 'Derived' is not assignable to type 'T'.
|
|
'Derived' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Derived'.
|
|
tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithNumericIndexer5.ts(40,11): error TS2420: Class 'B5<T>' incorrectly implements interface 'A<T>'.
|
|
'string' and 'number' index signatures are incompatible.
|
|
Type 'Derived2' is not assignable to type 'T'.
|
|
'Derived2' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Derived2'.
|
|
|
|
|
|
==== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithNumericIndexer5.ts (4 errors) ====
|
|
// Derived type indexer must be subtype of base type indexer
|
|
|
|
interface Base { foo: string; }
|
|
interface Derived extends Base { bar: string; }
|
|
interface Derived2 extends Derived { baz: string; }
|
|
|
|
interface A {
|
|
[x: number]: Derived;
|
|
}
|
|
|
|
class B implements A {
|
|
~
|
|
!!! error TS2420: Class 'B' incorrectly implements interface 'A'.
|
|
!!! error TS2420: 'string' and 'number' index signatures are incompatible.
|
|
!!! error TS2420: Type 'Base' is not assignable to type 'Derived'.
|
|
!!! error TS2420: Property 'bar' is missing in type 'Base' but required in type 'Derived'.
|
|
!!! related TS2728 tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithNumericIndexer5.ts:4:34: 'bar' is declared here.
|
|
[x: string]: Base; // error
|
|
}
|
|
|
|
class B2 implements A {
|
|
[x: string]: Derived2; // ok
|
|
}
|
|
|
|
module Generics {
|
|
interface A<T extends Base> {
|
|
[x: number]: T;
|
|
}
|
|
|
|
class B implements A<Base> {
|
|
[x: string]: Derived; // ok
|
|
}
|
|
|
|
class B2 implements A<Derived> {
|
|
[x: string]: Derived2; // ok
|
|
}
|
|
|
|
class B3<T extends Derived> implements A<T> {
|
|
~~
|
|
!!! error TS2420: Class 'B3<T>' incorrectly implements interface 'A<T>'.
|
|
!!! error TS2420: 'string' and 'number' index signatures are incompatible.
|
|
!!! error TS2420: Type 'Base' is not assignable to type 'T'.
|
|
!!! error TS2420: 'T' could be instantiated with an arbitrary type which could be unrelated to 'Base'.
|
|
[x: string]: Base; // error
|
|
}
|
|
|
|
class B4<T extends Derived> implements A<T> {
|
|
~~
|
|
!!! error TS2420: Class 'B4<T>' incorrectly implements interface 'A<T>'.
|
|
!!! error TS2420: 'string' and 'number' index signatures are incompatible.
|
|
!!! error TS2420: Type 'Derived' is not assignable to type 'T'.
|
|
!!! error TS2420: 'Derived' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Derived'.
|
|
[x: string]: Derived; // error
|
|
}
|
|
|
|
class B5<T extends Derived2> implements A<T> {
|
|
~~
|
|
!!! error TS2420: Class 'B5<T>' incorrectly implements interface 'A<T>'.
|
|
!!! error TS2420: 'string' and 'number' index signatures are incompatible.
|
|
!!! error TS2420: Type 'Derived2' is not assignable to type 'T'.
|
|
!!! error TS2420: 'Derived2' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint 'Derived2'.
|
|
[x: string]: Derived2; // error
|
|
}
|
|
} |