64 lines
1.9 KiB
TypeScript
64 lines
1.9 KiB
TypeScript
import { SuggestionProps } from '@tiptap/suggestion'
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import clsx from 'clsx'
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import { User } from 'common/user'
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import { forwardRef, useEffect, useImperativeHandle, useState } from 'react'
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import { Avatar } from '../avatar'
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// copied from https://tiptap.dev/api/nodes/mention#usage
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export const MentionList = forwardRef((props: SuggestionProps<User>, ref) => {
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const { items: users, command } = props
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const [selectedIndex, setSelectedIndex] = useState(0)
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useEffect(() => setSelectedIndex(0), [users])
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const submitUser = (index: number) => {
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const user = users[index]
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if (user) command({ id: user.id, label: user.username } as any)
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}
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const onUp = () =>
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setSelectedIndex((i) => (i + users.length - 1) % users.length)
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const onDown = () => setSelectedIndex((i) => (i + 1) % users.length)
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const onEnter = () => submitUser(selectedIndex)
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useImperativeHandle(ref, () => ({
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onKeyDown: ({ event }: any) => {
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if (event.key === 'ArrowUp') {
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onUp()
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return true
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}
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if (event.key === 'ArrowDown') {
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onDown()
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return true
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}
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if (event.key === 'Enter') {
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onEnter()
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return true
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}
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return false
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},
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}))
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return (
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<div className="w-42 absolute z-10 overflow-x-hidden rounded-md bg-white py-1 shadow-lg ring-1 ring-black ring-opacity-5 focus:outline-none">
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{!users.length ? (
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<span className="m-1 whitespace-nowrap">No results...</span>
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) : (
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users.map((user, i) => (
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<button
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className={clsx(
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'flex h-8 w-full cursor-pointer select-none items-center gap-2 truncate px-4',
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selectedIndex === i ? 'bg-indigo-500 text-white' : 'text-gray-900'
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)}
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onClick={() => submitUser(i)}
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key={user.id}
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>
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<Avatar avatarUrl={user.avatarUrl} size="xs" />
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{user.username}
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</button>
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))
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)}
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</div>
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)
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})
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