TypeScript/tests/baselines/reference/subclassThisTypeAssignable01.errors.txt
Anders Hejlsberg 0e905be42b
Index signatures for symbols and template literal strings (#44512)
* 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
2021-06-21 11:25:42 -07:00

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tests/cases/compiler/file1.js(2,7): error TS2322: Type 'C' is not assignable to type 'ClassComponent<any>'.
tests/cases/compiler/tile1.ts(2,30): error TS2344: Type 'State' does not satisfy the constraint 'Lifecycle<Attrs, State>'.
tests/cases/compiler/tile1.ts(6,81): error TS2744: Type parameter defaults can only reference previously declared type parameters.
tests/cases/compiler/tile1.ts(11,40): error TS2344: Type 'State' does not satisfy the constraint 'Lifecycle<Attrs, State>'.
tests/cases/compiler/tile1.ts(21,2): error TS2416: Property 'view' in type 'C' is not assignable to the same property in base type 'ClassComponent<MyAttrs>'.
Type '(v: Vnode<MyAttrs, Lifecycle<MyAttrs, any>>) => number' is not assignable to type '(vnode: Vnode<MyAttrs, this>) => number'.
Types of parameters 'v' and 'vnode' are incompatible.
Type 'Vnode<MyAttrs, this>' is not assignable to type 'Vnode<MyAttrs, Lifecycle<MyAttrs, any>>'.
Type 'this' is not assignable to type 'Lifecycle<MyAttrs, any>'.
Type 'C' is not assignable to type 'Lifecycle<MyAttrs, any>'.
Index signature for type 'number' is missing in type 'C'.
tests/cases/compiler/tile1.ts(24,7): error TS2322: Type 'C' is not assignable to type 'ClassComponent<any>'.
Index signature for type 'number' is missing in type 'C'.
==== tests/cases/compiler/tile1.ts (5 errors) ====
interface Lifecycle<Attrs, State> {
oninit?(vnode: Vnode<Attrs, State>): number;
~~~~~
!!! error TS2344: Type 'State' does not satisfy the constraint 'Lifecycle<Attrs, State>'.
[_: number]: any;
}
interface Vnode<Attrs, State extends Lifecycle<Attrs, State> = Lifecycle<Attrs, State>> {
~~~~~
!!! error TS2744: Type parameter defaults can only reference previously declared type parameters.
tag: Component<Attrs, State>;
}
interface Component<Attrs, State> {
view(this: State, vnode: Vnode<Attrs, State>): number;
~~~~~
!!! error TS2344: Type 'State' does not satisfy the constraint 'Lifecycle<Attrs, State>'.
}
interface ClassComponent<A> extends Lifecycle<A, ClassComponent<A>> {
oninit?(vnode: Vnode<A, this>): number;
view(vnode: Vnode<A, this>): number;
}
interface MyAttrs { id: number }
class C implements ClassComponent<MyAttrs> {
view(v: Vnode<MyAttrs>) { return 0; }
~~~~
!!! error TS2416: Property 'view' in type 'C' is not assignable to the same property in base type 'ClassComponent<MyAttrs>'.
!!! error TS2416: Type '(v: Vnode<MyAttrs, Lifecycle<MyAttrs, any>>) => number' is not assignable to type '(vnode: Vnode<MyAttrs, this>) => number'.
!!! error TS2416: Types of parameters 'v' and 'vnode' are incompatible.
!!! error TS2416: Type 'Vnode<MyAttrs, this>' is not assignable to type 'Vnode<MyAttrs, Lifecycle<MyAttrs, any>>'.
!!! error TS2416: Type 'this' is not assignable to type 'Lifecycle<MyAttrs, any>'.
!!! error TS2416: Type 'C' is not assignable to type 'Lifecycle<MyAttrs, any>'.
!!! error TS2416: Index signature for type 'number' is missing in type 'C'.
}
const test8: ClassComponent<any> = new C();
~~~~~
!!! error TS2322: Type 'C' is not assignable to type 'ClassComponent<any>'.
!!! error TS2322: Index signature for type 'number' is missing in type 'C'.
==== tests/cases/compiler/file1.js (1 errors) ====
/** @type {ClassComponent<any>} */
const test9 = new C();
~~~~~
!!! error TS2322: Type 'C' is not assignable to type 'ClassComponent<any>'.