Accept new baselines
This commit is contained in:
Anders Hejlsberg
parent
19e07eaea6
commit
f97ab4d3ef
4 changed files with 284 additions and 124 deletions
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@ -17,7 +17,7 @@ tests/cases/conformance/types/conditional/inferTypes1.ts(75,43): error TS2304: C
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tests/cases/conformance/types/conditional/inferTypes1.ts(75,43): error TS4081: Exported type alias 'T62' has or is using private name 'U'.
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tests/cases/conformance/types/conditional/inferTypes1.ts(81,44): error TS2344: Type 'U' does not satisfy the constraint 'string'.
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Type 'number' is not assignable to type 'string'.
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tests/cases/conformance/types/conditional/inferTypes1.ts(134,40): error TS2322: Type 'T' is not assignable to type 'string'.
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tests/cases/conformance/types/conditional/inferTypes1.ts(143,40): error TS2322: Type 'T' is not assignable to type 'string'.
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==== tests/cases/conformance/types/conditional/inferTypes1.ts (16 errors) ====
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@ -144,6 +144,15 @@ tests/cases/conformance/types/conditional/inferTypes1.ts(134,40): error TS2322:
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type T77<T> = T extends T76<infer X, infer Y> ? T76<X, Y> : never;
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type T78<T> = T extends T76<infer X, infer X> ? T76<X, X> : never;
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type Foo<T extends string, U extends T> = [T, U];
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type Bar<T> = T extends Foo<infer X, infer Y> ? Foo<X, Y> : never;
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type T90 = Bar<[string, string]>; // [string, string]
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type T91 = Bar<[string, "a"]>; // [string, "a"]
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type T92 = Bar<[string, "a"] & { x: string }>; // [string, "a"]
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type T93 = Bar<["a", string]>; // never
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type T94 = Bar<[number, number]>; // never
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// Example from #21496
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type JsonifiedObject<T extends object> = { [K in keyof T]: Jsonified<T[K]> };
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@ -206,4 +215,12 @@ tests/cases/conformance/types/conditional/inferTypes1.ts(134,40): error TS2322:
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type T80 = MatchingKeys<test, void>;
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type T81 = VoidKeys<test>;
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// Repro from #22221
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type MustBeString<T extends string> = T;
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type EnsureIsString<T> = T extends MustBeString<infer U> ? U : never;
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type Test1 = EnsureIsString<"hello">; // "hello"
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type Test2 = EnsureIsString<42>; // never
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@ -88,6 +88,15 @@ type T76<T extends T[], U extends T> = { x: T };
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type T77<T> = T extends T76<infer X, infer Y> ? T76<X, Y> : never;
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type T78<T> = T extends T76<infer X, infer X> ? T76<X, X> : never;
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type Foo<T extends string, U extends T> = [T, U];
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type Bar<T> = T extends Foo<infer X, infer Y> ? Foo<X, Y> : never;
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type T90 = Bar<[string, string]>; // [string, string]
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type T91 = Bar<[string, "a"]>; // [string, "a"]
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type T92 = Bar<[string, "a"] & { x: string }>; // [string, "a"]
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type T93 = Bar<["a", string]>; // never
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type T94 = Bar<[number, number]>; // never
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// Example from #21496
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type JsonifiedObject<T extends object> = { [K in keyof T]: Jsonified<T[K]> };
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@ -148,6 +157,14 @@ interface test {
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type T80 = MatchingKeys<test, void>;
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type T81 = VoidKeys<test>;
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// Repro from #22221
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type MustBeString<T extends string> = T;
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type EnsureIsString<T> = T extends MustBeString<infer U> ? U : never;
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type Test1 = EnsureIsString<"hello">; // "hello"
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type Test2 = EnsureIsString<42>; // never
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//// [inferTypes1.js]
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@ -406,216 +406,279 @@ type T78<T> = T extends T76<infer X, infer X> ? T76<X, X> : never;
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>X : Symbol(X, Decl(inferTypes1.ts, 87, 33), Decl(inferTypes1.ts, 87, 42))
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>X : Symbol(X, Decl(inferTypes1.ts, 87, 33), Decl(inferTypes1.ts, 87, 42))
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type Foo<T extends string, U extends T> = [T, U];
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>Foo : Symbol(Foo, Decl(inferTypes1.ts, 87, 66))
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>T : Symbol(T, Decl(inferTypes1.ts, 89, 9))
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>U : Symbol(U, Decl(inferTypes1.ts, 89, 26))
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>T : Symbol(T, Decl(inferTypes1.ts, 89, 9))
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>T : Symbol(T, Decl(inferTypes1.ts, 89, 9))
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>U : Symbol(U, Decl(inferTypes1.ts, 89, 26))
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type Bar<T> = T extends Foo<infer X, infer Y> ? Foo<X, Y> : never;
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>Bar : Symbol(Bar, Decl(inferTypes1.ts, 89, 49))
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>T : Symbol(T, Decl(inferTypes1.ts, 90, 9))
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>T : Symbol(T, Decl(inferTypes1.ts, 90, 9))
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>Foo : Symbol(Foo, Decl(inferTypes1.ts, 87, 66))
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>X : Symbol(X, Decl(inferTypes1.ts, 90, 33))
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>Y : Symbol(Y, Decl(inferTypes1.ts, 90, 42))
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>Foo : Symbol(Foo, Decl(inferTypes1.ts, 87, 66))
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>X : Symbol(X, Decl(inferTypes1.ts, 90, 33))
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>Y : Symbol(Y, Decl(inferTypes1.ts, 90, 42))
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type T90 = Bar<[string, string]>; // [string, string]
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>T90 : Symbol(T90, Decl(inferTypes1.ts, 90, 66))
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>Bar : Symbol(Bar, Decl(inferTypes1.ts, 89, 49))
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type T91 = Bar<[string, "a"]>; // [string, "a"]
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>T91 : Symbol(T91, Decl(inferTypes1.ts, 92, 33))
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>Bar : Symbol(Bar, Decl(inferTypes1.ts, 89, 49))
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type T92 = Bar<[string, "a"] & { x: string }>; // [string, "a"]
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>T92 : Symbol(T92, Decl(inferTypes1.ts, 93, 30))
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>Bar : Symbol(Bar, Decl(inferTypes1.ts, 89, 49))
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>x : Symbol(x, Decl(inferTypes1.ts, 94, 32))
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type T93 = Bar<["a", string]>; // never
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>T93 : Symbol(T93, Decl(inferTypes1.ts, 94, 46))
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>Bar : Symbol(Bar, Decl(inferTypes1.ts, 89, 49))
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type T94 = Bar<[number, number]>; // never
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>T94 : Symbol(T94, Decl(inferTypes1.ts, 95, 30))
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>Bar : Symbol(Bar, Decl(inferTypes1.ts, 89, 49))
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// Example from #21496
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type JsonifiedObject<T extends object> = { [K in keyof T]: Jsonified<T[K]> };
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>JsonifiedObject : Symbol(JsonifiedObject, Decl(inferTypes1.ts, 87, 66))
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>T : Symbol(T, Decl(inferTypes1.ts, 91, 21))
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>K : Symbol(K, Decl(inferTypes1.ts, 91, 44))
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>T : Symbol(T, Decl(inferTypes1.ts, 91, 21))
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>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 91, 77))
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>T : Symbol(T, Decl(inferTypes1.ts, 91, 21))
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>K : Symbol(K, Decl(inferTypes1.ts, 91, 44))
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>JsonifiedObject : Symbol(JsonifiedObject, Decl(inferTypes1.ts, 96, 33))
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>T : Symbol(T, Decl(inferTypes1.ts, 100, 21))
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>K : Symbol(K, Decl(inferTypes1.ts, 100, 44))
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>T : Symbol(T, Decl(inferTypes1.ts, 100, 21))
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>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 100, 77))
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>T : Symbol(T, Decl(inferTypes1.ts, 100, 21))
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>K : Symbol(K, Decl(inferTypes1.ts, 100, 44))
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type Jsonified<T> =
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>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 91, 77))
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>T : Symbol(T, Decl(inferTypes1.ts, 93, 15))
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>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 100, 77))
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>T : Symbol(T, Decl(inferTypes1.ts, 102, 15))
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T extends string | number | boolean | null ? T
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>T : Symbol(T, Decl(inferTypes1.ts, 93, 15))
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>T : Symbol(T, Decl(inferTypes1.ts, 93, 15))
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>T : Symbol(T, Decl(inferTypes1.ts, 102, 15))
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>T : Symbol(T, Decl(inferTypes1.ts, 102, 15))
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: T extends undefined | Function ? never // undefined and functions are removed
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>T : Symbol(T, Decl(inferTypes1.ts, 93, 15))
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>T : Symbol(T, Decl(inferTypes1.ts, 102, 15))
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>Function : Symbol(Function, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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: T extends { toJSON(): infer R } ? R // toJSON is called if it exists (e.g. Date)
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>T : Symbol(T, Decl(inferTypes1.ts, 93, 15))
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>toJSON : Symbol(toJSON, Decl(inferTypes1.ts, 96, 17))
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>R : Symbol(R, Decl(inferTypes1.ts, 96, 33))
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>R : Symbol(R, Decl(inferTypes1.ts, 96, 33))
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>T : Symbol(T, Decl(inferTypes1.ts, 102, 15))
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>toJSON : Symbol(toJSON, Decl(inferTypes1.ts, 105, 17))
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>R : Symbol(R, Decl(inferTypes1.ts, 105, 33))
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>R : Symbol(R, Decl(inferTypes1.ts, 105, 33))
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: T extends object ? JsonifiedObject<T>
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>T : Symbol(T, Decl(inferTypes1.ts, 93, 15))
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>JsonifiedObject : Symbol(JsonifiedObject, Decl(inferTypes1.ts, 87, 66))
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>T : Symbol(T, Decl(inferTypes1.ts, 93, 15))
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>T : Symbol(T, Decl(inferTypes1.ts, 102, 15))
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>JsonifiedObject : Symbol(JsonifiedObject, Decl(inferTypes1.ts, 96, 33))
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>T : Symbol(T, Decl(inferTypes1.ts, 102, 15))
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: "what is this";
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type Example = {
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>Example : Symbol(Example, Decl(inferTypes1.ts, 98, 21))
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>Example : Symbol(Example, Decl(inferTypes1.ts, 107, 21))
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str: "literalstring",
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>str : Symbol(str, Decl(inferTypes1.ts, 100, 16))
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>str : Symbol(str, Decl(inferTypes1.ts, 109, 16))
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fn: () => void,
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>fn : Symbol(fn, Decl(inferTypes1.ts, 101, 25))
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>fn : Symbol(fn, Decl(inferTypes1.ts, 110, 25))
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date: Date,
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>date : Symbol(date, Decl(inferTypes1.ts, 102, 19))
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>date : Symbol(date, Decl(inferTypes1.ts, 111, 19))
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>Date : Symbol(Date, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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customClass: MyClass,
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>customClass : Symbol(customClass, Decl(inferTypes1.ts, 103, 15))
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>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 110, 1))
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>customClass : Symbol(customClass, Decl(inferTypes1.ts, 112, 15))
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>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 119, 1))
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obj: {
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>obj : Symbol(obj, Decl(inferTypes1.ts, 104, 25))
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>obj : Symbol(obj, Decl(inferTypes1.ts, 113, 25))
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prop: "property",
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>prop : Symbol(prop, Decl(inferTypes1.ts, 105, 10))
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>prop : Symbol(prop, Decl(inferTypes1.ts, 114, 10))
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clz: MyClass,
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>clz : Symbol(clz, Decl(inferTypes1.ts, 106, 25))
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>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 110, 1))
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>clz : Symbol(clz, Decl(inferTypes1.ts, 115, 25))
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>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 119, 1))
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nested: { attr: Date }
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>nested : Symbol(nested, Decl(inferTypes1.ts, 107, 21))
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>attr : Symbol(attr, Decl(inferTypes1.ts, 108, 17))
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>nested : Symbol(nested, Decl(inferTypes1.ts, 116, 21))
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>attr : Symbol(attr, Decl(inferTypes1.ts, 117, 17))
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>Date : Symbol(Date, Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --), Decl(lib.d.ts, --, --))
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},
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}
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declare class MyClass {
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>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 110, 1))
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>MyClass : Symbol(MyClass, Decl(inferTypes1.ts, 119, 1))
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toJSON(): "correct";
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>toJSON : Symbol(MyClass.toJSON, Decl(inferTypes1.ts, 112, 23))
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>toJSON : Symbol(MyClass.toJSON, Decl(inferTypes1.ts, 121, 23))
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}
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type JsonifiedExample = Jsonified<Example>;
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>JsonifiedExample : Symbol(JsonifiedExample, Decl(inferTypes1.ts, 114, 1))
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>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 91, 77))
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>Example : Symbol(Example, Decl(inferTypes1.ts, 98, 21))
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>JsonifiedExample : Symbol(JsonifiedExample, Decl(inferTypes1.ts, 123, 1))
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>Jsonified : Symbol(Jsonified, Decl(inferTypes1.ts, 100, 77))
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>Example : Symbol(Example, Decl(inferTypes1.ts, 107, 21))
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declare let ex: JsonifiedExample;
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>ex : Symbol(ex, Decl(inferTypes1.ts, 117, 11))
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>JsonifiedExample : Symbol(JsonifiedExample, Decl(inferTypes1.ts, 114, 1))
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>ex : Symbol(ex, Decl(inferTypes1.ts, 126, 11))
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>JsonifiedExample : Symbol(JsonifiedExample, Decl(inferTypes1.ts, 123, 1))
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const z1: "correct" = ex.customClass;
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>z1 : Symbol(z1, Decl(inferTypes1.ts, 118, 5))
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>ex.customClass : Symbol(customClass, Decl(inferTypes1.ts, 103, 15))
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>ex : Symbol(ex, Decl(inferTypes1.ts, 117, 11))
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>customClass : Symbol(customClass, Decl(inferTypes1.ts, 103, 15))
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>z1 : Symbol(z1, Decl(inferTypes1.ts, 127, 5))
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>ex.customClass : Symbol(customClass, Decl(inferTypes1.ts, 112, 15))
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>ex : Symbol(ex, Decl(inferTypes1.ts, 126, 11))
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>customClass : Symbol(customClass, Decl(inferTypes1.ts, 112, 15))
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const z2: string = ex.obj.nested.attr;
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>z2 : Symbol(z2, Decl(inferTypes1.ts, 119, 5))
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>ex.obj.nested.attr : Symbol(attr, Decl(inferTypes1.ts, 108, 17))
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>ex.obj.nested : Symbol(nested, Decl(inferTypes1.ts, 107, 21))
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>ex.obj : Symbol(obj, Decl(inferTypes1.ts, 104, 25))
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>ex : Symbol(ex, Decl(inferTypes1.ts, 117, 11))
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>obj : Symbol(obj, Decl(inferTypes1.ts, 104, 25))
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>nested : Symbol(nested, Decl(inferTypes1.ts, 107, 21))
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>attr : Symbol(attr, Decl(inferTypes1.ts, 108, 17))
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>z2 : Symbol(z2, Decl(inferTypes1.ts, 128, 5))
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>ex.obj.nested.attr : Symbol(attr, Decl(inferTypes1.ts, 117, 17))
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>ex.obj.nested : Symbol(nested, Decl(inferTypes1.ts, 116, 21))
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>ex.obj : Symbol(obj, Decl(inferTypes1.ts, 113, 25))
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>ex : Symbol(ex, Decl(inferTypes1.ts, 126, 11))
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>obj : Symbol(obj, Decl(inferTypes1.ts, 113, 25))
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>nested : Symbol(nested, Decl(inferTypes1.ts, 116, 21))
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>attr : Symbol(attr, Decl(inferTypes1.ts, 117, 17))
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// Repros from #21631
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type A1<T, U extends A1<any, any>> = [T, U];
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>A1 : Symbol(A1, Decl(inferTypes1.ts, 119, 38))
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>T : Symbol(T, Decl(inferTypes1.ts, 123, 8))
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>U : Symbol(U, Decl(inferTypes1.ts, 123, 10))
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>A1 : Symbol(A1, Decl(inferTypes1.ts, 119, 38))
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>T : Symbol(T, Decl(inferTypes1.ts, 123, 8))
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>U : Symbol(U, Decl(inferTypes1.ts, 123, 10))
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>A1 : Symbol(A1, Decl(inferTypes1.ts, 128, 38))
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>T : Symbol(T, Decl(inferTypes1.ts, 132, 8))
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>U : Symbol(U, Decl(inferTypes1.ts, 132, 10))
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>A1 : Symbol(A1, Decl(inferTypes1.ts, 128, 38))
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>T : Symbol(T, Decl(inferTypes1.ts, 132, 8))
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>U : Symbol(U, Decl(inferTypes1.ts, 132, 10))
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type B1<S> = S extends A1<infer T, infer U> ? [T, U] : never;
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>B1 : Symbol(B1, Decl(inferTypes1.ts, 123, 44))
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>S : Symbol(S, Decl(inferTypes1.ts, 124, 8))
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>S : Symbol(S, Decl(inferTypes1.ts, 124, 8))
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>A1 : Symbol(A1, Decl(inferTypes1.ts, 119, 38))
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>T : Symbol(T, Decl(inferTypes1.ts, 124, 31))
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>U : Symbol(U, Decl(inferTypes1.ts, 124, 40))
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>T : Symbol(T, Decl(inferTypes1.ts, 124, 31))
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>U : Symbol(U, Decl(inferTypes1.ts, 124, 40))
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>B1 : Symbol(B1, Decl(inferTypes1.ts, 132, 44))
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>S : Symbol(S, Decl(inferTypes1.ts, 133, 8))
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>S : Symbol(S, Decl(inferTypes1.ts, 133, 8))
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>A1 : Symbol(A1, Decl(inferTypes1.ts, 128, 38))
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>T : Symbol(T, Decl(inferTypes1.ts, 133, 31))
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>U : Symbol(U, Decl(inferTypes1.ts, 133, 40))
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>T : Symbol(T, Decl(inferTypes1.ts, 133, 31))
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>U : Symbol(U, Decl(inferTypes1.ts, 133, 40))
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type A2<T, U extends void> = [T, U];
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>A2 : Symbol(A2, Decl(inferTypes1.ts, 124, 61))
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>T : Symbol(T, Decl(inferTypes1.ts, 126, 8))
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>U : Symbol(U, Decl(inferTypes1.ts, 126, 10))
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>T : Symbol(T, Decl(inferTypes1.ts, 126, 8))
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>U : Symbol(U, Decl(inferTypes1.ts, 126, 10))
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>A2 : Symbol(A2, Decl(inferTypes1.ts, 133, 61))
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>T : Symbol(T, Decl(inferTypes1.ts, 135, 8))
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>U : Symbol(U, Decl(inferTypes1.ts, 135, 10))
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>T : Symbol(T, Decl(inferTypes1.ts, 135, 8))
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>U : Symbol(U, Decl(inferTypes1.ts, 135, 10))
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type B2<S> = S extends A2<infer T, infer U> ? [T, U] : never;
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>B2 : Symbol(B2, Decl(inferTypes1.ts, 126, 36))
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>S : Symbol(S, Decl(inferTypes1.ts, 127, 8))
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>S : Symbol(S, Decl(inferTypes1.ts, 127, 8))
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>A2 : Symbol(A2, Decl(inferTypes1.ts, 124, 61))
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>T : Symbol(T, Decl(inferTypes1.ts, 127, 31))
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>U : Symbol(U, Decl(inferTypes1.ts, 127, 40))
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>T : Symbol(T, Decl(inferTypes1.ts, 127, 31))
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>U : Symbol(U, Decl(inferTypes1.ts, 127, 40))
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>B2 : Symbol(B2, Decl(inferTypes1.ts, 135, 36))
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>S : Symbol(S, Decl(inferTypes1.ts, 136, 8))
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>S : Symbol(S, Decl(inferTypes1.ts, 136, 8))
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>A2 : Symbol(A2, Decl(inferTypes1.ts, 133, 61))
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>T : Symbol(T, Decl(inferTypes1.ts, 136, 31))
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>U : Symbol(U, Decl(inferTypes1.ts, 136, 40))
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>T : Symbol(T, Decl(inferTypes1.ts, 136, 31))
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>U : Symbol(U, Decl(inferTypes1.ts, 136, 40))
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||||
|
||||
type C2<S, U extends void> = S extends A2<infer T, U> ? [T, U] : never;
|
||||
>C2 : Symbol(C2, Decl(inferTypes1.ts, 127, 61))
|
||||
>S : Symbol(S, Decl(inferTypes1.ts, 128, 8))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 128, 10))
|
||||
>S : Symbol(S, Decl(inferTypes1.ts, 128, 8))
|
||||
>A2 : Symbol(A2, Decl(inferTypes1.ts, 124, 61))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 128, 47))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 128, 10))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 128, 47))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 128, 10))
|
||||
>C2 : Symbol(C2, Decl(inferTypes1.ts, 136, 61))
|
||||
>S : Symbol(S, Decl(inferTypes1.ts, 137, 8))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 137, 10))
|
||||
>S : Symbol(S, Decl(inferTypes1.ts, 137, 8))
|
||||
>A2 : Symbol(A2, Decl(inferTypes1.ts, 133, 61))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 137, 47))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 137, 10))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 137, 47))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 137, 10))
|
||||
|
||||
// Repro from #21735
|
||||
|
||||
type A<T> = T extends string ? { [P in T]: void; } : T;
|
||||
>A : Symbol(A, Decl(inferTypes1.ts, 128, 71))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 132, 7))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 132, 7))
|
||||
>P : Symbol(P, Decl(inferTypes1.ts, 132, 34))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 132, 7))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 132, 7))
|
||||
>A : Symbol(A, Decl(inferTypes1.ts, 137, 71))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 141, 7))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 141, 7))
|
||||
>P : Symbol(P, Decl(inferTypes1.ts, 141, 34))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 141, 7))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 141, 7))
|
||||
|
||||
type B<T> = string extends T ? { [P in T]: void; } : T; // Error
|
||||
>B : Symbol(B, Decl(inferTypes1.ts, 132, 55))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 133, 7))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 133, 7))
|
||||
>P : Symbol(P, Decl(inferTypes1.ts, 133, 34))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 133, 7))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 133, 7))
|
||||
>B : Symbol(B, Decl(inferTypes1.ts, 141, 55))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 142, 7))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 142, 7))
|
||||
>P : Symbol(P, Decl(inferTypes1.ts, 142, 34))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 142, 7))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 142, 7))
|
||||
|
||||
// Repro from #22302
|
||||
|
||||
type MatchingKeys<T, U, K extends keyof T = keyof T> =
|
||||
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 133, 55))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 137, 18))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 137, 20))
|
||||
>K : Symbol(K, Decl(inferTypes1.ts, 137, 23))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 137, 18))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 137, 18))
|
||||
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 142, 55))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 146, 18))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 146, 20))
|
||||
>K : Symbol(K, Decl(inferTypes1.ts, 146, 23))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 146, 18))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 146, 18))
|
||||
|
||||
K extends keyof T ? T[K] extends U ? K : never : never;
|
||||
>K : Symbol(K, Decl(inferTypes1.ts, 137, 23))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 137, 18))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 137, 18))
|
||||
>K : Symbol(K, Decl(inferTypes1.ts, 137, 23))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 137, 20))
|
||||
>K : Symbol(K, Decl(inferTypes1.ts, 137, 23))
|
||||
>K : Symbol(K, Decl(inferTypes1.ts, 146, 23))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 146, 18))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 146, 18))
|
||||
>K : Symbol(K, Decl(inferTypes1.ts, 146, 23))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 146, 20))
|
||||
>K : Symbol(K, Decl(inferTypes1.ts, 146, 23))
|
||||
|
||||
type VoidKeys<T> = MatchingKeys<T, void>;
|
||||
>VoidKeys : Symbol(VoidKeys, Decl(inferTypes1.ts, 138, 59))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 140, 14))
|
||||
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 133, 55))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 140, 14))
|
||||
>VoidKeys : Symbol(VoidKeys, Decl(inferTypes1.ts, 147, 59))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 149, 14))
|
||||
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 142, 55))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 149, 14))
|
||||
|
||||
interface test {
|
||||
>test : Symbol(test, Decl(inferTypes1.ts, 140, 41))
|
||||
>test : Symbol(test, Decl(inferTypes1.ts, 149, 41))
|
||||
|
||||
a: 1,
|
||||
>a : Symbol(test.a, Decl(inferTypes1.ts, 142, 16))
|
||||
>a : Symbol(test.a, Decl(inferTypes1.ts, 151, 16))
|
||||
|
||||
b: void
|
||||
>b : Symbol(test.b, Decl(inferTypes1.ts, 143, 9))
|
||||
>b : Symbol(test.b, Decl(inferTypes1.ts, 152, 9))
|
||||
}
|
||||
|
||||
type T80 = MatchingKeys<test, void>;
|
||||
>T80 : Symbol(T80, Decl(inferTypes1.ts, 145, 1))
|
||||
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 133, 55))
|
||||
>test : Symbol(test, Decl(inferTypes1.ts, 140, 41))
|
||||
>T80 : Symbol(T80, Decl(inferTypes1.ts, 154, 1))
|
||||
>MatchingKeys : Symbol(MatchingKeys, Decl(inferTypes1.ts, 142, 55))
|
||||
>test : Symbol(test, Decl(inferTypes1.ts, 149, 41))
|
||||
|
||||
type T81 = VoidKeys<test>;
|
||||
>T81 : Symbol(T81, Decl(inferTypes1.ts, 147, 36))
|
||||
>VoidKeys : Symbol(VoidKeys, Decl(inferTypes1.ts, 138, 59))
|
||||
>test : Symbol(test, Decl(inferTypes1.ts, 140, 41))
|
||||
>T81 : Symbol(T81, Decl(inferTypes1.ts, 156, 36))
|
||||
>VoidKeys : Symbol(VoidKeys, Decl(inferTypes1.ts, 147, 59))
|
||||
>test : Symbol(test, Decl(inferTypes1.ts, 149, 41))
|
||||
|
||||
// Repro from #22221
|
||||
|
||||
type MustBeString<T extends string> = T;
|
||||
>MustBeString : Symbol(MustBeString, Decl(inferTypes1.ts, 157, 26))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 161, 18))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 161, 18))
|
||||
|
||||
type EnsureIsString<T> = T extends MustBeString<infer U> ? U : never;
|
||||
>EnsureIsString : Symbol(EnsureIsString, Decl(inferTypes1.ts, 161, 40))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 162, 20))
|
||||
>T : Symbol(T, Decl(inferTypes1.ts, 162, 20))
|
||||
>MustBeString : Symbol(MustBeString, Decl(inferTypes1.ts, 157, 26))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 162, 53))
|
||||
>U : Symbol(U, Decl(inferTypes1.ts, 162, 53))
|
||||
|
||||
type Test1 = EnsureIsString<"hello">; // "hello"
|
||||
>Test1 : Symbol(Test1, Decl(inferTypes1.ts, 162, 69))
|
||||
>EnsureIsString : Symbol(EnsureIsString, Decl(inferTypes1.ts, 161, 40))
|
||||
|
||||
type Test2 = EnsureIsString<42>; // never
|
||||
>Test2 : Symbol(Test2, Decl(inferTypes1.ts, 164, 37))
|
||||
>EnsureIsString : Symbol(EnsureIsString, Decl(inferTypes1.ts, 161, 40))
|
||||
|
||||
|
|
|
|||
|
|
@ -412,6 +412,46 @@ type T78<T> = T extends T76<infer X, infer X> ? T76<X, X> : never;
|
|||
>X : X
|
||||
>X : X
|
||||
|
||||
type Foo<T extends string, U extends T> = [T, U];
|
||||
>Foo : [T, U]
|
||||
>T : T
|
||||
>U : U
|
||||
>T : T
|
||||
>T : T
|
||||
>U : U
|
||||
|
||||
type Bar<T> = T extends Foo<infer X, infer Y> ? Foo<X, Y> : never;
|
||||
>Bar : Bar<T>
|
||||
>T : T
|
||||
>T : T
|
||||
>Foo : [T, U]
|
||||
>X : X
|
||||
>Y : Y
|
||||
>Foo : [T, U]
|
||||
>X : X
|
||||
>Y : Y
|
||||
|
||||
type T90 = Bar<[string, string]>; // [string, string]
|
||||
>T90 : [string, string]
|
||||
>Bar : Bar<T>
|
||||
|
||||
type T91 = Bar<[string, "a"]>; // [string, "a"]
|
||||
>T91 : [string, "a"]
|
||||
>Bar : Bar<T>
|
||||
|
||||
type T92 = Bar<[string, "a"] & { x: string }>; // [string, "a"]
|
||||
>T92 : [string, "a"]
|
||||
>Bar : Bar<T>
|
||||
>x : string
|
||||
|
||||
type T93 = Bar<["a", string]>; // never
|
||||
>T93 : never
|
||||
>Bar : Bar<T>
|
||||
|
||||
type T94 = Bar<[number, number]>; // never
|
||||
>T94 : never
|
||||
>Bar : Bar<T>
|
||||
|
||||
// Example from #21496
|
||||
|
||||
type JsonifiedObject<T extends object> = { [K in keyof T]: Jsonified<T[K]> };
|
||||
|
|
@ -626,3 +666,26 @@ type T81 = VoidKeys<test>;
|
|||
>VoidKeys : MatchingKeys<T, void, keyof T>
|
||||
>test : test
|
||||
|
||||
// Repro from #22221
|
||||
|
||||
type MustBeString<T extends string> = T;
|
||||
>MustBeString : T
|
||||
>T : T
|
||||
>T : T
|
||||
|
||||
type EnsureIsString<T> = T extends MustBeString<infer U> ? U : never;
|
||||
>EnsureIsString : EnsureIsString<T>
|
||||
>T : T
|
||||
>T : T
|
||||
>MustBeString : T
|
||||
>U : U
|
||||
>U : U
|
||||
|
||||
type Test1 = EnsureIsString<"hello">; // "hello"
|
||||
>Test1 : "hello"
|
||||
>EnsureIsString : EnsureIsString<T>
|
||||
|
||||
type Test2 = EnsureIsString<42>; // never
|
||||
>Test2 : never
|
||||
>EnsureIsString : EnsureIsString<T>
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue