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8 lines
348 B
TypeScript
8 lines
348 B
TypeScript
export type Parameters<F> = F extends (...args: infer T) => any ? T : never;
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export abstract class MessageBus<T> {
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abstract on<E extends keyof T>(topic: E, cb: T[E]): void;
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abstract once<E extends keyof T>(topic: E, cb: T[E]): void;
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abstract emit<E extends keyof T>(topic: E, args?: Parameters<T[E]>): boolean;
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abstract destroy(): void;
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}
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