5ae4b5d715
* Properly preserve names of properties with numeric literal strings * Accept new baselines
120 lines
3.4 KiB
Plaintext
120 lines
3.4 KiB
Plaintext
=== tests/cases/compiler/deepKeysIndexing.ts ===
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// regression test from https://github.com/Microsoft/TypeScript/issues/29692
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interface DeepObject {
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[k1: string]: {
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>k1 : string
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[k2: string]: any;
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>k2 : string
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};
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}
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type keys2broken<
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>keys2broken : keys2broken<O, K1>
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O extends DeepObject,
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K1 extends keyof O
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> = O[K1] extends object ? Extract<keyof O[K1], string> : never;
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type keys2working<
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>keys2working : keys2working<O, K1>
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O extends DeepObject,
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K1 extends keyof O
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> = O[K1] extends object ? keyof O[K1] : never;
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type keys2workaround<O extends DeepObject, K1 extends keyof O> = Extract<
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>keys2workaround : Extract<O[K1] extends object ? keyof O[K1] : never, string>
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O[K1] extends object ? keyof O[K1] : never,
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string
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>;
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interface Foo extends DeepObject {
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a: {
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>a : { "1": 123; "2": string; "3": boolean; }
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"1": 123;
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>"1" : 123
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"2": string;
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>"2" : string
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"3": boolean;
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>"3" : boolean
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};
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}
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class Bar<O extends DeepObject> {
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>Bar : Bar<O>
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broken<
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>broken : <K1 extends keyof O, K2 extends keys2broken<O, K1>, V extends O[K1][K2]>(k1: K1, k2: K2, value: V) => void
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K1 extends keyof O,
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K2 extends keys2broken<O, K1>,
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V extends O[K1][K2]
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>(k1: K1, k2: K2, value: V) {}
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>k1 : K1
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>k2 : K2
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>value : V
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working<
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>working : <K1 extends keyof O, K2 extends keys2working<O, K1>, V extends O[K1][K2]>(k1: K1, k2: K2, value: V) => void
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K1 extends keyof O,
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K2 extends keys2working<O, K1>,
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V extends O[K1][K2]
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>(k1: K1, k2: K2, value: V) {}
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>k1 : K1
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>k2 : K2
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>value : V
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workaround<
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>workaround : <K1 extends keyof O, K2 extends Extract<O[K1] extends object ? keyof O[K1] : never, string>, V extends O[K1][K2]>(k1: K1, k2: K2, value: V) => void
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K1 extends keyof O,
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K2 extends keys2workaround<O, K1>,
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V extends O[K1][K2]
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>(k1: K1, k2: K2, value: V) {}
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>k1 : K1
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>k2 : K2
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>value : V
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}
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const bar = new Bar<Foo>();
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>bar : Bar<Foo>
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>new Bar<Foo>() : Bar<Foo>
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>Bar : typeof Bar
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// all 3 of the below should error on passing `true` for `"1"`
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bar.broken("a", "1", true); // was broken in the past - with 2nd argument incorrectly of type "1" | "2" | "3".
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>bar.broken("a", "1", true) : void
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>bar.broken : <K1 extends string | number, K2 extends keys2broken<Foo, K1>, V extends Foo[K1][K2]>(k1: K1, k2: K2, value: V) => void
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>bar : Bar<Foo>
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>broken : <K1 extends string | number, K2 extends keys2broken<Foo, K1>, V extends Foo[K1][K2]>(k1: K1, k2: K2, value: V) => void
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>"a" : "a"
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>"1" : "1"
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>true : true
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bar.working("a", "1", true); // ok - true is not allowed
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>bar.working("a", "1", true) : void
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>bar.working : <K1 extends string | number, K2 extends keys2working<Foo, K1>, V extends Foo[K1][K2]>(k1: K1, k2: K2, value: V) => void
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>bar : Bar<Foo>
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>working : <K1 extends string | number, K2 extends keys2working<Foo, K1>, V extends Foo[K1][K2]>(k1: K1, k2: K2, value: V) => void
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>"a" : "a"
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>"1" : "1"
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>true : true
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bar.workaround("a", "1", true); // ok - true is not allowed
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>bar.workaround("a", "1", true) : void
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>bar.workaround : <K1 extends string | number, K2 extends Extract<Foo[K1] extends object ? keyof Foo[K1] : never, string>, V extends Foo[K1][K2]>(k1: K1, k2: K2, value: V) => void
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>bar : Bar<Foo>
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>workaround : <K1 extends string | number, K2 extends Extract<Foo[K1] extends object ? keyof Foo[K1] : never, string>, V extends Foo[K1][K2]>(k1: K1, k2: K2, value: V) => void
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>"a" : "a"
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>"1" : "1"
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>true : true
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