_getPlacement()

in _/js/bootstrap.esm.js [1877:1898]

• 20 lines of code
• 8 McCabe index (conditional complexity)

  _getPlacement() {
    const parentDropdown = this._parent;
    if (parentDropdown.classList.contains(CLASS_NAME_DROPEND)) {
      return PLACEMENT_RIGHT;
    }
    if (parentDropdown.classList.contains(CLASS_NAME_DROPSTART)) {
      return PLACEMENT_LEFT;
    }
    if (parentDropdown.classList.contains(CLASS_NAME_DROPUP_CENTER)) {
      return PLACEMENT_TOPCENTER;
    }
    if (parentDropdown.classList.contains(CLASS_NAME_DROPDOWN_CENTER)) {
      return PLACEMENT_BOTTOMCENTER;
    }

    // We need to trim the value because custom properties can also include spaces
    const isEnd = getComputedStyle(this._menu).getPropertyValue('--bs-position').trim() === 'end';
    if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) {
      return isEnd ? PLACEMENT_TOPEND : PLACEMENT_TOP;
    }
    return isEnd ? PLACEMENT_BOTTOMEND : PLACEMENT_BOTTOM;
  }