TypeScript/tests/baselines/reference/mappedTypeAsStringTemplate.symbols
Anders Hejlsberg 97b4063d73
Don't attach declarations to symbols in mapped types with 'as XXX' clauses (#44609)
* Don't attach declarations to symbols in mapped types with 'as XXX' clauses

* Add test (and tweak comment)

Co-authored-by: Eli Barzilay <eli@barzilay.org>
2021-06-16 16:07:33 -07:00

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=== tests/cases/compiler/mappedTypeAsStringTemplate.ts ===
// Repro from #44220
function foo<T extends { [K in keyof T as `${Extract<K, string>}y`]: number }>(foox: T) { }
>foo : Symbol(foo, Decl(mappedTypeAsStringTemplate.ts, 0, 0))
>T : Symbol(T, Decl(mappedTypeAsStringTemplate.ts, 2, 13))
>K : Symbol(K, Decl(mappedTypeAsStringTemplate.ts, 2, 26))
>T : Symbol(T, Decl(mappedTypeAsStringTemplate.ts, 2, 13))
>Extract : Symbol(Extract, Decl(lib.es5.d.ts, --, --))
>K : Symbol(K, Decl(mappedTypeAsStringTemplate.ts, 2, 26))
>foox : Symbol(foox, Decl(mappedTypeAsStringTemplate.ts, 2, 79))
>T : Symbol(T, Decl(mappedTypeAsStringTemplate.ts, 2, 13))
const c = { x: 1 };
>c : Symbol(c, Decl(mappedTypeAsStringTemplate.ts, 4, 5))
>x : Symbol(x, Decl(mappedTypeAsStringTemplate.ts, 4, 11))
foo(c);
>foo : Symbol(foo, Decl(mappedTypeAsStringTemplate.ts, 0, 0))
>c : Symbol(c, Decl(mappedTypeAsStringTemplate.ts, 4, 5))