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unionRelationshipCheckPasses2(exactoptionalpropertytypes=false).types
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112 lines (97 loc) · 2.88 KB
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//// [tests/cases/compiler/unionRelationshipCheckPasses2.ts] ////
=== unionRelationshipCheckPasses2.ts ===
// https://github.com/microsoft/TypeScript/issues/61678
export type U = { type: "A"; value: null } | { type: "B"; value: string };
>U : U
> : ^
>type : "A"
> : ^^^
>value : null
> : ^^^^
>type : "B"
> : ^^^
>value : string
> : ^^^^^^
function call<T>(f: () => T): T {
>call : <T>(f: () => T) => T
> : ^ ^^ ^^ ^^^^^
>f : () => T
> : ^^^^^^
return f();
>f() : T
> : ^
>f : () => T
> : ^^^^^^
}
export function functionCall(): U {
>functionCall : () => U
> : ^^^^^^
return call(() => { // error
>call(() => { // error if (Math.random()) { return { type: "A" }; } return { type: "B", value: "test" }; }) : { type: "A"; value?: undefined; } | { type: "B"; value: string; }
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>call : <T>(f: () => T) => T
> : ^ ^^ ^^ ^^^^^
>() => { // error if (Math.random()) { return { type: "A" }; } return { type: "B", value: "test" }; } : () => { type: "A"; value?: undefined; } | { type: "B"; value: string; }
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
if (Math.random()) {
>Math.random() : number
> : ^^^^^^
>Math.random : () => number
> : ^^^^^^
>Math : Math
> : ^^^^
>random : () => number
> : ^^^^^^
return { type: "A" };
>{ type: "A" } : { type: "A"; }
> : ^^^^^^^^^^^^^^
>type : "A"
> : ^^^
>"A" : "A"
> : ^^^
}
return { type: "B", value: "test" };
>{ type: "B", value: "test" } : { type: "B"; value: string; }
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>type : "B"
> : ^^^
>"B" : "B"
> : ^^^
>value : string
> : ^^^^^^
>"test" : "test"
> : ^^^^^^
});
}
export function directReturn(): U {
>directReturn : () => U
> : ^^^^^^
if (Math.random()) {
>Math.random() : number
> : ^^^^^^
>Math.random : () => number
> : ^^^^^^
>Math : Math
> : ^^^^
>random : () => number
> : ^^^^^^
return { type: "A" }; // error
>{ type: "A" } : { type: "A"; }
> : ^^^^^^^^^^^^^^
>type : "A"
> : ^^^
>"A" : "A"
> : ^^^
}
return { type: "B", value: "test" };
>{ type: "B", value: "test" } : { type: "B"; value: string; }
> : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>type : "B"
> : ^^^
>"B" : "B"
> : ^^^
>value : string
> : ^^^^^^
>"test" : "test"
> : ^^^^^^
}