Example: search

import 'prosekit/basic/style.css'
import 'prosekit/basic/typography.css'
import 'prosekit/extensions/search/style.css'

import { createEditor } from 'prosekit/core'
import { ProseKit } from 'prosekit/react'
import { useMemo } from 'react'

import { defineExtension } from './extension'
import Search from './search'

export default function Editor() {
  const editor = useMemo(() => {
    const extension = defineExtension()
    return createEditor({
      extension,
      defaultContent: '<p>Baa, baa, black sheep,</p>'
        + '<p>Have you any wool?</p>'
        + '<p>Yes, sir, yes, sir,</p>'
        + '<p>Three bags full;</p>'
        + '<p>One for the master,</p>'
        + '<p>And one for the dame,</p>'
        + '<p>And one for the little boy</p>'
        + '<p>Who lives down the lane.</p>',
    })
  }, [])

  return (
    <ProseKit editor={editor}>
      <div className='box-border h-full w-full min-h-36 overflow-y-hidden overflow-x-hidden rounded-md border border-solid border-gray-200 dark:border-gray-700 shadow flex flex-col bg-white dark:bg-gray-950 color-black dark:color-white'>
        <div className='relative w-full flex-1 box-border overflow-y-scroll'>
          <Search />
          <div ref={editor.mount} className='ProseMirror box-border min-h-full px-[max(4rem,_calc(50%-20rem))] py-8 outline-none outline-0 [&_span[data-mention="user"]]:text-blue-500 [&_span[data-mention="tag"]]:text-violet-500'></div>
        </div>
      </div>
    </ProseKit>
  )
}

import { defineBasicExtension } from 'prosekit/basic'
import { union } from 'prosekit/core'
import { defineSearchCommands } from 'prosekit/extensions/search'

export function defineExtension() {
  return union(defineBasicExtension(), defineSearchCommands())
}

export type EditorExtension = ReturnType<typeof defineExtension>

import { clsx } from 'prosekit/core'
import { defineSearchQuery } from 'prosekit/extensions/search'
import {
  useEditor,
  useExtension,
} from 'prosekit/react'
import {
  useMemo,
  useState,
} from 'react'

import Button from './button'
import type { EditorExtension } from './extension'

export default function Search({ onClose }: { onClose?: VoidFunction }) {
  const [showReplace, setShowReplace] = useState(false)
  const toggleReplace = () => setShowReplace((value) => !value)

  const [searchText, setSearchText] = useState('')
  const [replaceText, setReplaceText] = useState('')

  const extension = useMemo(() => {
    if (!searchText) {
      return null
    }
    return defineSearchQuery({ search: searchText, replace: replaceText })
  }, [searchText, replaceText])

  useExtension(extension)

  const editor = useEditor<EditorExtension>()

  const isEnter = (event: React.KeyboardEvent) => {
    return (
      event.key === 'Enter'
      && !event.shiftKey
      && !event.metaKey
      && !event.altKey
      && !event.ctrlKey
      && !event.nativeEvent.isComposing
    )
  }

  const isShiftEnter = (event: React.KeyboardEvent) => {
    return (
      event.key === 'Enter'
      && event.shiftKey
      && !event.metaKey
      && !event.altKey
      && !event.ctrlKey
      && !event.nativeEvent.isComposing
    )
  }

  const handleSearchKeyDown = (event: React.KeyboardEvent) => {
    if (isEnter(event)) {
      event.preventDefault()
      editor.commands.findNext()
    } else if (isShiftEnter(event)) {
      event.preventDefault()
      editor.commands.findPrev()
    }
  }

  const handleReplaceKeyDown = (event: React.KeyboardEvent) => {
    if (isEnter(event)) {
      event.preventDefault()
      editor.commands.replaceNext()
    } else if (isShiftEnter(event)) {
      event.preventDefault()
      editor.commands.replaceAll()
    }
  }

  return (
    <div className='z-2 box-border border-gray-200 dark:border-gray-800 border-solid border-l-0 border-r-0 border-t-0 border-b grid grid-cols-[min-content_1fr_min-content] gap-2 p-2'>
      <Button tooltip="Toggle Replace" onClick={toggleReplace}>
        <span
          className={clsx(
            'i-lucide-chevron-right h-5 w-5',
            showReplace
              ? 'rotate-90 transition-transform'
              : 'transition-transform',
          )}
        />
      </Button>
      <input
        placeholder="Search"
        type="text"
        value={searchText}
        onChange={(event) => setSearchText(event.target.value)}
        onKeyDown={handleSearchKeyDown}
        className='flex h-9 rounded-md w-full bg-white dark:bg-gray-950 px-3 py-2 text-sm placeholder:text-gray-500 dark:placeholder:text-gray-500 transition border box-border border-gray-200 dark:border-gray-800 border-solid ring-0 ring-transparent focus-visible:ring-2 focus-visible:ring-gray-900 dark:focus-visible:ring-gray-300 focus-visible:ring-offset-0 outline-none focus-visible:outline-none file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:cursor-not-allowed disabled:opacity-50 col-start-2'
      />
      <div className='flex items-center justify-between gap-1'>
        <Button
          tooltip="Previous (Shift Enter)"
          onClick={editor.commands.findPrev}
        >
          <span className='i-lucide-arrow-left h-5 w-5' />
        </Button>
        <Button tooltip="Next (Enter)" onClick={editor.commands.findNext}>
          <span className='i-lucide-arrow-right h-5 w-5' />
        </Button>
        <Button tooltip="Close" onClick={onClose}>
          <span className='i-lucide-x h-5 w-5' />
        </Button>
      </div>
      {showReplace && (
        <input
          placeholder="Replace"
          type="text"
          value={replaceText}
          onChange={(event) => setReplaceText(event.target.value)}
          onKeyDown={handleReplaceKeyDown}
          className='flex h-9 rounded-md w-full bg-white dark:bg-gray-950 px-3 py-2 text-sm placeholder:text-gray-500 dark:placeholder:text-gray-500 transition border box-border border-gray-200 dark:border-gray-800 border-solid ring-0 ring-transparent focus-visible:ring-2 focus-visible:ring-gray-900 dark:focus-visible:ring-gray-300 focus-visible:ring-offset-0 outline-none focus-visible:outline-none file:border-0 file:bg-transparent file:text-sm file:font-medium disabled:cursor-not-allowed disabled:opacity-50 col-start-2'
        />
      )}
      {showReplace && (
        <div className='flex items-center justify-between gap-1'>
          <Button
            tooltip="Replace (Enter)"
            onClick={editor.commands.replaceNext}
          >
            Replace
          </Button>
          <Button
            tooltip="Replace All (Shift Enter)"
            onClick={editor.commands.replaceAll}
          >
            All
          </Button>
        </div>
      )}
    </div>
  )
}

import {
  TooltipContent,
  TooltipRoot,
  TooltipTrigger,
} from 'prosekit/react/tooltip'
import type { ReactNode } from 'react'

export default function Button({
  pressed,
  disabled,
  onClick,
  tooltip,
  children,
}: {
  pressed?: boolean
  disabled?: boolean
  onClick?: VoidFunction
  tooltip?: string
  children: ReactNode
}) {
  return (
    <TooltipRoot>
      <TooltipTrigger className='block'>
        <button
          data-state={pressed ? 'on' : 'off'}
          disabled={disabled}
          onClick={() => onClick?.()}
          onMouseDown={(event) => event.preventDefault()}
          className='outline-unset focus-visible:outline-unset flex items-center justify-center rounded-md p-2 font-medium transition focus-visible:ring-2 text-sm focus-visible:ring-gray-900 dark:focus-visible:ring-gray-300 disabled:pointer-events-none min-w-9 min-h-9 disabled:opacity-50 hover:disabled:opacity-50 bg-transparent hover:bg-gray-100 dark:hover:bg-gray-800 data-[state=on]:bg-gray-200 dark:data-[state=on]:bg-gray-700'
        >
          {children}
          {tooltip ? <span className="sr-only">{tooltip}</span> : null}
        </button>
      </TooltipTrigger>
      {tooltip
        ? (
          <TooltipContent className='z-50 overflow-hidden rounded-md border border-solid bg-gray-900 dark:bg-gray-50 px-3 py-1.5 text-xs text-gray-50 dark:text-gray-900 shadow-sm [&:not([data-state])]:hidden will-change-transform data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=open]:fade-in-0 data-[state=closed]:fade-out-0 data-[state=open]:zoom-in-95 data-[state=closed]:zoom-out-95 data-[state=open]:animate-duration-150 data-[state=closed]:animate-duration-200 data-[side=bottom]:slide-in-from-top-2 data-[side=bottom]:slide-out-to-top-2 data-[side=left]:slide-in-from-right-2 data-[side=left]:slide-out-to-right-2 data-[side=right]:slide-in-from-left-2 data-[side=right]:slide-out-to-left-2 data-[side=top]:slide-in-from-bottom-2 data-[side=top]:slide-out-to-bottom-2'>
            {tooltip}
          </TooltipContent>
        )
        : null}
    </TooltipRoot>
  )
}