Method getReady

src/index.js:219–229

* Periodically checks that all items * have been loaded in the dom. Calls * this.listen() once all the items are * present. * * @private

()

   * @private
   */
  getReady () {
    let interval = setInterval(() => {
      this.container = document.querySelector(this.containerClass);

      if (this.ready()) {
        clearInterval(interval);

        this.listen();
      }
    }, 100);
  }

  observeContainerResize() {
    if (this.resizeObserver) return;