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Component commits: 97cb818 No contextual types from circular mapped type properties 1dcf4ab Add regression test Co-authored-by: Anders Hejlsberg <andersh@microsoft.com> Co-authored-by: Wesley Wigham <wwigham@gmail.com>
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//// [circularContextualMappedType.ts] | ||
type Func<T> = () => T; | ||
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type Mapped<T> = { [K in keyof T]: Func<T[K]> }; | ||
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declare function reproduce(options: number): void; | ||
declare function reproduce<T>(options: Mapped<T>): T | ||
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reproduce({ | ||
name: () => { return 123 } | ||
}); | ||
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reproduce({ | ||
name() { return 123 } | ||
}); | ||
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reproduce({ | ||
name: function () { return 123 } | ||
}); | ||
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//// [circularContextualMappedType.js] | ||
"use strict"; | ||
reproduce({ | ||
name: function () { return 123; } | ||
}); | ||
reproduce({ | ||
name: function () { return 123; } | ||
}); | ||
reproduce({ | ||
name: function () { return 123; } | ||
}); |
51 changes: 51 additions & 0 deletions
51
tests/baselines/reference/circularContextualMappedType.symbols
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=== tests/cases/compiler/circularContextualMappedType.ts === | ||
type Func<T> = () => T; | ||
>Func : Symbol(Func, Decl(circularContextualMappedType.ts, 0, 0)) | ||
>T : Symbol(T, Decl(circularContextualMappedType.ts, 0, 10)) | ||
>T : Symbol(T, Decl(circularContextualMappedType.ts, 0, 10)) | ||
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type Mapped<T> = { [K in keyof T]: Func<T[K]> }; | ||
>Mapped : Symbol(Mapped, Decl(circularContextualMappedType.ts, 0, 23)) | ||
>T : Symbol(T, Decl(circularContextualMappedType.ts, 2, 12)) | ||
>K : Symbol(K, Decl(circularContextualMappedType.ts, 2, 20)) | ||
>T : Symbol(T, Decl(circularContextualMappedType.ts, 2, 12)) | ||
>Func : Symbol(Func, Decl(circularContextualMappedType.ts, 0, 0)) | ||
>T : Symbol(T, Decl(circularContextualMappedType.ts, 2, 12)) | ||
>K : Symbol(K, Decl(circularContextualMappedType.ts, 2, 20)) | ||
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declare function reproduce(options: number): void; | ||
>reproduce : Symbol(reproduce, Decl(circularContextualMappedType.ts, 2, 48), Decl(circularContextualMappedType.ts, 4, 50)) | ||
>options : Symbol(options, Decl(circularContextualMappedType.ts, 4, 27)) | ||
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declare function reproduce<T>(options: Mapped<T>): T | ||
>reproduce : Symbol(reproduce, Decl(circularContextualMappedType.ts, 2, 48), Decl(circularContextualMappedType.ts, 4, 50)) | ||
>T : Symbol(T, Decl(circularContextualMappedType.ts, 5, 27)) | ||
>options : Symbol(options, Decl(circularContextualMappedType.ts, 5, 30)) | ||
>Mapped : Symbol(Mapped, Decl(circularContextualMappedType.ts, 0, 23)) | ||
>T : Symbol(T, Decl(circularContextualMappedType.ts, 5, 27)) | ||
>T : Symbol(T, Decl(circularContextualMappedType.ts, 5, 27)) | ||
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reproduce({ | ||
>reproduce : Symbol(reproduce, Decl(circularContextualMappedType.ts, 2, 48), Decl(circularContextualMappedType.ts, 4, 50)) | ||
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name: () => { return 123 } | ||
>name : Symbol(name, Decl(circularContextualMappedType.ts, 7, 11)) | ||
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}); | ||
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reproduce({ | ||
>reproduce : Symbol(reproduce, Decl(circularContextualMappedType.ts, 2, 48), Decl(circularContextualMappedType.ts, 4, 50)) | ||
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name() { return 123 } | ||
>name : Symbol(name, Decl(circularContextualMappedType.ts, 11, 11)) | ||
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}); | ||
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reproduce({ | ||
>reproduce : Symbol(reproduce, Decl(circularContextualMappedType.ts, 2, 48), Decl(circularContextualMappedType.ts, 4, 50)) | ||
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name: function () { return 123 } | ||
>name : Symbol(name, Decl(circularContextualMappedType.ts, 15, 11)) | ||
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}); | ||
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50 changes: 50 additions & 0 deletions
50
tests/baselines/reference/circularContextualMappedType.types
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=== tests/cases/compiler/circularContextualMappedType.ts === | ||
type Func<T> = () => T; | ||
>Func : Func<T> | ||
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type Mapped<T> = { [K in keyof T]: Func<T[K]> }; | ||
>Mapped : Mapped<T> | ||
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declare function reproduce(options: number): void; | ||
>reproduce : { (options: number): void; <T>(options: Mapped<T>): T; } | ||
>options : number | ||
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declare function reproduce<T>(options: Mapped<T>): T | ||
>reproduce : { (options: number): void; <T>(options: Mapped<T>): T; } | ||
>options : Mapped<T> | ||
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reproduce({ | ||
>reproduce({ name: () => { return 123 }}) : { name: number; } | ||
>reproduce : { (options: number): void; <T>(options: Mapped<T>): T; } | ||
>{ name: () => { return 123 }} : { name: () => number; } | ||
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name: () => { return 123 } | ||
>name : () => number | ||
>() => { return 123 } : () => number | ||
>123 : 123 | ||
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}); | ||
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reproduce({ | ||
>reproduce({ name() { return 123 }}) : { name: number; } | ||
>reproduce : { (options: number): void; <T>(options: Mapped<T>): T; } | ||
>{ name() { return 123 }} : { name(): number; } | ||
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name() { return 123 } | ||
>name : () => number | ||
>123 : 123 | ||
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}); | ||
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reproduce({ | ||
>reproduce({ name: function () { return 123 }}) : { name: number; } | ||
>reproduce : { (options: number): void; <T>(options: Mapped<T>): T; } | ||
>{ name: function () { return 123 }} : { name: () => number; } | ||
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name: function () { return 123 } | ||
>name : () => number | ||
>function () { return 123 } : () => number | ||
>123 : 123 | ||
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}); | ||
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// @strict: true | ||
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type Func<T> = () => T; | ||
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type Mapped<T> = { [K in keyof T]: Func<T[K]> }; | ||
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declare function reproduce(options: number): void; | ||
declare function reproduce<T>(options: Mapped<T>): T | ||
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reproduce({ | ||
name: () => { return 123 } | ||
}); | ||
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reproduce({ | ||
name() { return 123 } | ||
}); | ||
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reproduce({ | ||
name: function () { return 123 } | ||
}); |