Function throttle

packages/ethereum-viewer/src/util/func.ts:43–59

(
  func: T,
  interval: number
)

};

export const throttle = <T extends (...args: any[]) => any>(
  func: T,
  interval: number
) => {
  let timer: Timeout | null = null;

  return function f(
    this: unknown,
    ...args: Parameters<T>
  ): ReturnType<T> | undefined {
    if (timer) {
      return;
    }
    func.call(this, ...args);
    timer = setTimeout(() => (timer = null), interval);
  };
};

export const debounce = <T extends (...args: any[]) => any>(
  func: T,