TypeScript Parameters - ChoDragon9/posts GitHub Wiki

type Action = (num: number) => void;


function userRequest<Func extends (...args: any[]) => any>(action: Func) {

    const request: (...param: Parameters<Func>) => void = (...param) => {
        
    }

    return request;
}

declare const action: Action;
const req = userRequest(action);

req("1");
req(1);

const DEBOUNCE_TIME_MS = 100;

type Callback = (...param: unknown[]) => unknown;

export default <Func extends Callback> (callback: Func, debounceTimeMs = DEBOUNCE_TIME_MS) => {
  let timer;
  return (...args: Parameters<Func>) => {
    clearTimeout(timer);
    timer = setTimeout(() => {
      callback(...args);
    }, debounceTimeMs);
  };
};