@gitlab/ui/dist/components/base/new_dropdowns/base_dropdown/dropdown_container.js

GitLab UI Components

import { MountingPortal } from 'portal-vue';
import { POSITION_ABSOLUTE, POSITION_FIXED } from '../constants';

/* eslint-disable import/no-default-export */
var dropdown_container = {
  props: {
    /**
     * Strategy to be applied by computePosition. If this is set to fixed, the dropdown's position
     * needs to be set to fixed in CSS as well.
     * https://floating-ui.com/docs/computePosition#strategy
     */
    positioningStrategy: {
      type: String,
      required: false,
      default: POSITION_ABSOLUTE,
      validator: strategy => [POSITION_ABSOLUTE, POSITION_FIXED].includes(strategy)
    }
  },
  render(createElement) {
    if (this.positioningStrategy === POSITION_FIXED) {
      return createElement(MountingPortal, {
        props: {
          mountTo: 'body',
          append: true
        }
      }, [this.$scopedSlots.default()]);
    }
    return this.$scopedSlots.default();
  }
};

export { dropdown_container as default };