Method throttle

src/utils.ts:543–551

delay calling the given function for given delay, preventing new calls from happening while waiting

(func: () => void, delay: number)

  /** delay calling the given function for given delay, preventing new calls from happening while waiting */
  static throttle(func: () => void, delay: number): () => void {
    let isWaiting = false;
    return (...args) => {
      if (!isWaiting) {
        isWaiting = true;
        setTimeout(() => { func(...args); isWaiting = false; }, delay);
      }
    }
  }

  static removePositioningStyles(el: HTMLElement): void {
    const style = el.style;