tiptap/demos/src/Examples/Community/Vue/suggestion.js

import { VueRenderer } from '@tiptap/vue-3'
import tippy from 'tippy.js'
import MentionList from './MentionList.vue'

export default {
  items: query => {
    return [
      'Lea Thompson', 'Cyndi Lauper', 'Tom Cruise', 'Madonna', 'Jerry Hall', 'Joan Collins', 'Winona Ryder', 'Christina Applegate', 'Alyssa Milano', 'Molly Ringwald', 'Ally Sheedy', 'Debbie Harry', 'Olivia Newton-John', 'Elton John', 'Michael J. Fox', 'Axl Rose', 'Emilio Estevez', 'Ralph Macchio', 'Rob Lowe', 'Jennifer Grey', 'Mickey Rourke', 'John Cusack', 'Matthew Broderick', 'Justine Bateman', 'Lisa Bonet',
    ].filter(item => item.toLowerCase().startsWith(query.toLowerCase())).slice(0, 5)
  },

  render: () => {
    let component
    let popup

    return {
      onStart: props => {
        component = new VueRenderer(MentionList, {
          // using vue 2:
          // parent: this,
          // propsData: props,
          props,
          editor: props.editor,
        })

        popup = tippy('body', {
          getReferenceClientRect: props.clientRect,
          appendTo: () => document.body,
          content: component.element,
          showOnCreate: true,
          interactive: true,
          trigger: 'manual',
          placement: 'bottom-start',
        })
      },

      onUpdate(props) {
        component.updateProps(props)

        popup[0].setProps({
          getReferenceClientRect: props.clientRect,
        })
      },

      onKeyDown(props) {
        if (props.event.key === 'Escape') {
          popup[0].hide()

          return true
        }

        return component.ref?.onKeyDown(props)
      },

      onExit() {
        popup[0].destroy()
        component.destroy()
      },
    }
  },
}