dify/web/app/components/base/prompt-editor/plugins/request-url-block/index.tsx

import type { RequestURLBlockType } from '../../types'
import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext'
import { mergeRegister } from '@lexical/utils'
import { $insertNodes, COMMAND_PRIORITY_EDITOR, createCommand } from 'lexical'
import { memo, useEffect } from 'react'
import { $createRequestURLBlockNode, RequestURLBlockNode } from './node'

export const INSERT_REQUEST_URL_BLOCK_COMMAND = createCommand('INSERT_REQUEST_URL_BLOCK_COMMAND')
export const DELETE_REQUEST_URL_BLOCK_COMMAND = createCommand('DELETE_REQUEST_URL_BLOCK_COMMAND')

const RequestURLBlock = memo(({ onInsert, onDelete }: RequestURLBlockType) => {
  const [editor] = useLexicalComposerContext()

  useEffect(() => {
    if (!editor.hasNodes([RequestURLBlockNode]))
      throw new Error('RequestURLBlockPlugin: RequestURLBlock not registered on editor')

    return mergeRegister(
      editor.registerCommand(
        INSERT_REQUEST_URL_BLOCK_COMMAND,
        () => {
          const contextBlockNode = $createRequestURLBlockNode()

          $insertNodes([contextBlockNode])
          if (onInsert) onInsert()

          return true
        },
        COMMAND_PRIORITY_EDITOR,
      ),
      editor.registerCommand(
        DELETE_REQUEST_URL_BLOCK_COMMAND,
        () => {
          if (onDelete) onDelete()

          return true
        },
        COMMAND_PRIORITY_EDITOR,
      ),
    )
  }, [editor, onInsert, onDelete])

  return null
})
RequestURLBlock.displayName = 'RequestURLBlock'

export { RequestURLBlock }
export { RequestURLBlockNode } from './node'
export { default as RequestURLBlockReplacementBlock } from './request-url-block-replacement-block'