Method showDropdown

src/scripts/choices.ts:504–536

(preventInputFocus?: boolean)

  }

  showDropdown(preventInputFocus?: boolean): this {
    if (this.dropdown.isActive) {
      return this;
    }

    if (preventInputFocus === undefined) {
      // eslint-disable-next-line no-param-reassign
      preventInputFocus = !this._canSearch;
    }

    requestAnimationFrame(() => {
      this.dropdown.show();
      const rect = this.dropdown.element.getBoundingClientRect();
      this.containerOuter.open(rect.bottom, rect.height);

      if (!preventInputFocus) {
        this.input.focus();
      }

      this.passedElement.triggerEvent(EventType.showDropdown);

      const activeElement = this.choiceList.element.querySelector<HTMLElement>(
        getClassNamesSelector(this.config.classNames.selectedState),
      );

      if (activeElement !== null && !isScrolledIntoView(activeElement, this.choiceList.element)) {
        // scrollIntoView can cause entire page scrolling, scrollToChildElement causes undesired animation
        this.choiceList.element.scrollTop = activeElement.offsetTop;
      }
    });

    return this;
  }

  hideDropdown(preventInputBlur?: boolean): this {
    if (!this.dropdown.isActive) {