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=== tests/cases/compiler/deepKeysIndexing.ts ===
// regression test from https://github.com/Microsoft/TypeScript/issues/29692
interface DeepObject {
>DeepObject : Symbol(DeepObject, Decl(deepKeysIndexing.ts, 0, 0))
[k1: string]: {
>k1 : Symbol(k1, Decl(deepKeysIndexing.ts, 2, 3))
[k2: string]: any;
>k2 : Symbol(k2, Decl(deepKeysIndexing.ts, 3, 5))
};
}
type keys2broken<
>keys2broken : Symbol(keys2broken, Decl(deepKeysIndexing.ts, 5, 1))
O extends DeepObject,
>O : Symbol(O, Decl(deepKeysIndexing.ts, 7, 17))
>DeepObject : Symbol(DeepObject, Decl(deepKeysIndexing.ts, 0, 0))
K1 extends keyof O
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 8, 23))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 7, 17))
> = O[K1] extends object ? Extract<keyof O[K1], string> : never;
>O : Symbol(O, Decl(deepKeysIndexing.ts, 7, 17))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 8, 23))
>Extract : Symbol(Extract, Decl(lib.es5.d.ts, --, --))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 7, 17))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 8, 23))
type keys2working<
>keys2working : Symbol(keys2working, Decl(deepKeysIndexing.ts, 10, 64))
O extends DeepObject,
>O : Symbol(O, Decl(deepKeysIndexing.ts, 12, 18))
>DeepObject : Symbol(DeepObject, Decl(deepKeysIndexing.ts, 0, 0))
K1 extends keyof O
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 13, 23))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 12, 18))
> = O[K1] extends object ? keyof O[K1] : never;
>O : Symbol(O, Decl(deepKeysIndexing.ts, 12, 18))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 13, 23))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 12, 18))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 13, 23))
type keys2workaround<O extends DeepObject, K1 extends keyof O> = Extract<
>keys2workaround : Symbol(keys2workaround, Decl(deepKeysIndexing.ts, 15, 47))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 17, 21))
>DeepObject : Symbol(DeepObject, Decl(deepKeysIndexing.ts, 0, 0))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 17, 42))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 17, 21))
>Extract : Symbol(Extract, Decl(lib.es5.d.ts, --, --))
O[K1] extends object ? keyof O[K1] : never,
>O : Symbol(O, Decl(deepKeysIndexing.ts, 17, 21))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 17, 42))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 17, 21))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 17, 42))
string
>;
interface Foo extends DeepObject {
>Foo : Symbol(Foo, Decl(deepKeysIndexing.ts, 20, 2))
>DeepObject : Symbol(DeepObject, Decl(deepKeysIndexing.ts, 0, 0))
a: {
>a : Symbol(Foo.a, Decl(deepKeysIndexing.ts, 22, 34))
"1": 123;
>"1" : Symbol("1", Decl(deepKeysIndexing.ts, 23, 6))
"2": string;
>"2" : Symbol("2", Decl(deepKeysIndexing.ts, 24, 13))
"3": boolean;
>"3" : Symbol("3", Decl(deepKeysIndexing.ts, 25, 16))
};
}
class Bar<O extends DeepObject> {
>Bar : Symbol(Bar, Decl(deepKeysIndexing.ts, 28, 1))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
>DeepObject : Symbol(DeepObject, Decl(deepKeysIndexing.ts, 0, 0))
broken<
>broken : Symbol(Bar.broken, Decl(deepKeysIndexing.ts, 30, 33))
K1 extends keyof O,
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 31, 9))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
K2 extends keys2broken<O, K1>,
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 32, 23))
>keys2broken : Symbol(keys2broken, Decl(deepKeysIndexing.ts, 5, 1))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 31, 9))
V extends O[K1][K2]
>V : Symbol(V, Decl(deepKeysIndexing.ts, 33, 34))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 31, 9))
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 32, 23))
>(k1: K1, k2: K2, value: V) {}
>k1 : Symbol(k1, Decl(deepKeysIndexing.ts, 35, 4))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 31, 9))
>k2 : Symbol(k2, Decl(deepKeysIndexing.ts, 35, 11))
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 32, 23))
>value : Symbol(value, Decl(deepKeysIndexing.ts, 35, 19))
>V : Symbol(V, Decl(deepKeysIndexing.ts, 33, 34))
working<
>working : Symbol(Bar.working, Decl(deepKeysIndexing.ts, 35, 32))
K1 extends keyof O,
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 37, 10))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
K2 extends keys2working<O, K1>,
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 38, 23))
>keys2working : Symbol(keys2working, Decl(deepKeysIndexing.ts, 10, 64))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 37, 10))
V extends O[K1][K2]
>V : Symbol(V, Decl(deepKeysIndexing.ts, 39, 35))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 37, 10))
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 38, 23))
>(k1: K1, k2: K2, value: V) {}
>k1 : Symbol(k1, Decl(deepKeysIndexing.ts, 41, 4))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 37, 10))
>k2 : Symbol(k2, Decl(deepKeysIndexing.ts, 41, 11))
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 38, 23))
>value : Symbol(value, Decl(deepKeysIndexing.ts, 41, 19))
>V : Symbol(V, Decl(deepKeysIndexing.ts, 39, 35))
workaround<
>workaround : Symbol(Bar.workaround, Decl(deepKeysIndexing.ts, 41, 32))
K1 extends keyof O,
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 43, 13))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
K2 extends keys2workaround<O, K1>,
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 44, 23))
>keys2workaround : Symbol(keys2workaround, Decl(deepKeysIndexing.ts, 15, 47))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 43, 13))
V extends O[K1][K2]
>V : Symbol(V, Decl(deepKeysIndexing.ts, 45, 38))
>O : Symbol(O, Decl(deepKeysIndexing.ts, 30, 10))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 43, 13))
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 44, 23))
>(k1: K1, k2: K2, value: V) {}
>k1 : Symbol(k1, Decl(deepKeysIndexing.ts, 47, 4))
>K1 : Symbol(K1, Decl(deepKeysIndexing.ts, 43, 13))
>k2 : Symbol(k2, Decl(deepKeysIndexing.ts, 47, 11))
>K2 : Symbol(K2, Decl(deepKeysIndexing.ts, 44, 23))
>value : Symbol(value, Decl(deepKeysIndexing.ts, 47, 19))
>V : Symbol(V, Decl(deepKeysIndexing.ts, 45, 38))
}
const bar = new Bar<Foo>();
>bar : Symbol(bar, Decl(deepKeysIndexing.ts, 50, 5))
>Bar : Symbol(Bar, Decl(deepKeysIndexing.ts, 28, 1))
>Foo : Symbol(Foo, Decl(deepKeysIndexing.ts, 20, 2))
// all 3 of the below should error on passing `true` for `"1"`
bar.broken("a", "1", true); // was broken in the past - with 2nd argument incorrectly of type "1" | "2" | "3".
>bar.broken : Symbol(Bar.broken, Decl(deepKeysIndexing.ts, 30, 33))
>bar : Symbol(bar, Decl(deepKeysIndexing.ts, 50, 5))
>broken : Symbol(Bar.broken, Decl(deepKeysIndexing.ts, 30, 33))
bar.working("a", "1", true); // ok - true is not allowed
>bar.working : Symbol(Bar.working, Decl(deepKeysIndexing.ts, 35, 32))
>bar : Symbol(bar, Decl(deepKeysIndexing.ts, 50, 5))
>working : Symbol(Bar.working, Decl(deepKeysIndexing.ts, 35, 32))
bar.workaround("a", "1", true); // ok - true is not allowed
>bar.workaround : Symbol(Bar.workaround, Decl(deepKeysIndexing.ts, 41, 32))
>bar : Symbol(bar, Decl(deepKeysIndexing.ts, 50, 5))
>workaround : Symbol(Bar.workaround, Decl(deepKeysIndexing.ts, 41, 32))
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