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Return types fail to emit for methods of anonymous plain objectsΒ #52415
Description
Bug Report
π Search Terms
declaration emit this any
π Version & Regression Information
- This is the behavior in every version I tried
β― Playground Link
Playground link with relevant code
π» Code
export function test() {
return {
relyingOnThis() {
return this;
},
};
}
// seen and recognized locally in TS files
test().relyingOnThis();π Actual behavior
// generated .d.ts
export declare function test(): {
relyingOnThis(): any;
};π Expected behavior
Make this type to work in such contexts and emit that:
declare function test(): {
relyingOnThis(): this; // currently reports `A 'this' type is available only in a non-static member of a class or interface.(2526)`
};Or emit the content of the anonymous type there somehow (when possible, be cautious with circularities, generics etc):
declare const _type: {
relyingOnThis(): typeof _type;
}
declare function test(): typeof _typeOr just emit a diagnostic that this isn't portable and that an explicit annotation is needed.
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