Method start

packages/mui-utils/src/useTimeout/useTimeout.ts:15–21

* Executes `fn` after `delay`, clearing any previously scheduled call.

(delay: number, fn: Function)

   * Executes `fn` after `delay`, clearing any previously scheduled call.
   */
  start(delay: number, fn: Function) {
    this.clear();
    this.currentId = setTimeout(() => {
      this.currentId = null;
      fn();
    }, delay);
  }

  clear = () => {
    if (this.currentId !== null) {