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Component commits: 4635cdc Forward intersection state flag to conditional type target check Co-authored-by: Andrew Branch <andrew@wheream.io>
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10 changes: 10 additions & 0 deletions
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tests/baselines/reference/excessPropertyCheckingIntersectionWithConditional.js
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//// [excessPropertyCheckingIntersectionWithConditional.ts] | ||
type Foo<K> = K extends unknown ? { a: number } : unknown | ||
const createDefaultExample = <K,>(x: K): Foo<K> & { x: K; } => { | ||
return { a: 1, x: x }; // okay in TS 4.7.4, error in TS 4.8.2 | ||
} | ||
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//// [excessPropertyCheckingIntersectionWithConditional.js] | ||
var createDefaultExample = function (x) { | ||
return { a: 1, x: x }; // okay in TS 4.7.4, error in TS 4.8.2 | ||
}; |
22 changes: 22 additions & 0 deletions
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tests/baselines/reference/excessPropertyCheckingIntersectionWithConditional.symbols
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=== tests/cases/compiler/excessPropertyCheckingIntersectionWithConditional.ts === | ||
type Foo<K> = K extends unknown ? { a: number } : unknown | ||
>Foo : Symbol(Foo, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 0, 0)) | ||
>K : Symbol(K, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 0, 9)) | ||
>K : Symbol(K, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 0, 9)) | ||
>a : Symbol(a, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 0, 35)) | ||
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const createDefaultExample = <K,>(x: K): Foo<K> & { x: K; } => { | ||
>createDefaultExample : Symbol(createDefaultExample, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 1, 5)) | ||
>K : Symbol(K, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 1, 30)) | ||
>x : Symbol(x, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 1, 34)) | ||
>K : Symbol(K, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 1, 30)) | ||
>Foo : Symbol(Foo, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 0, 0)) | ||
>K : Symbol(K, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 1, 30)) | ||
>x : Symbol(x, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 1, 51)) | ||
>K : Symbol(K, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 1, 30)) | ||
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return { a: 1, x: x }; // okay in TS 4.7.4, error in TS 4.8.2 | ||
>a : Symbol(a, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 2, 10)) | ||
>x : Symbol(x, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 2, 16)) | ||
>x : Symbol(x, Decl(excessPropertyCheckingIntersectionWithConditional.ts, 1, 34)) | ||
} |
18 changes: 18 additions & 0 deletions
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tests/baselines/reference/excessPropertyCheckingIntersectionWithConditional.types
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=== tests/cases/compiler/excessPropertyCheckingIntersectionWithConditional.ts === | ||
type Foo<K> = K extends unknown ? { a: number } : unknown | ||
>Foo : Foo<K> | ||
>a : number | ||
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const createDefaultExample = <K,>(x: K): Foo<K> & { x: K; } => { | ||
>createDefaultExample : <K>(x: K) => Foo<K> & { x: K; } | ||
><K,>(x: K): Foo<K> & { x: K; } => { return { a: 1, x: x }; // okay in TS 4.7.4, error in TS 4.8.2} : <K>(x: K) => Foo<K> & { x: K; } | ||
>x : K | ||
>x : K | ||
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return { a: 1, x: x }; // okay in TS 4.7.4, error in TS 4.8.2 | ||
>{ a: 1, x: x } : { a: number; x: K; } | ||
>a : number | ||
>1 : 1 | ||
>x : K | ||
>x : K | ||
} |
4 changes: 4 additions & 0 deletions
4
tests/cases/compiler/excessPropertyCheckingIntersectionWithConditional.ts
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type Foo<K> = K extends unknown ? { a: number } : unknown | ||
const createDefaultExample = <K,>(x: K): Foo<K> & { x: K; } => { | ||
return { a: 1, x: x }; // okay in TS 4.7.4, error in TS 4.8.2 | ||
} |