Function throttle

src/common/util.js:50–61

(func, time)

}

export function throttle(func, time) {
  let lastTime = 0;
  time = Math.max(0, +time || 0);
  function throttledFunction(...args) {
    const now = performance.now();
    if (lastTime + time < now) {
      lastTime = now;
      func.apply(this, args);
    }
  }
  return throttledFunction;
}

export function noop() {}