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=== tests/cases/compiler/contextualTypeCaching.ts ===
// Repro from #52575
export interface Event<T> {
callback: (response: T) => void;
>callback : (response: T) => void
>response : T
nested: {
>nested : { nestedCallback: (response: T) => void; }
nestedCallback: (response: T) => void;
>nestedCallback : (response: T) => void
>response : T
}
}
export type CustomEvents = {
>CustomEvents : { a: Event<string>; b: Event<number>; }
a: Event<string>
>a : Event<string>
b: Event<number>
>b : Event<number>
};
declare function emit<T extends keyof CustomEvents>(type: T, data: CustomEvents[T]): void
>emit : <T extends keyof CustomEvents>(type: T, data: CustomEvents[T]) => void
>type : T
>data : CustomEvents[T]
emit('a', {
>emit('a', { callback: (r) => {}, nested: { nestedCallback: (r) => {}, },}) : void
>emit : <T extends keyof CustomEvents>(type: T, data: CustomEvents[T]) => void
>'a' : "a"
>{ callback: (r) => {}, nested: { nestedCallback: (r) => {}, },} : { callback: (r: string) => void; nested: { nestedCallback: (r: string) => void; }; }
callback: (r) => {},
>callback : (r: string) => void
>(r) => {} : (r: string) => void
>r : string
nested: {
>nested : { nestedCallback: (r: string) => void; }
>{ nestedCallback: (r) => {}, } : { nestedCallback: (r: string) => void; }
nestedCallback: (r) => {},
>nestedCallback : (r: string) => void
>(r) => {} : (r: string) => void
>r : string
},
});
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