feat: enchance prompt and code (#23633)

Co-authored-by: stream <stream@dify.ai>
Co-authored-by: Stream <1542763342@qq.com>
Co-authored-by: Stream <Stream_2@qq.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

web/app/components/base/prompt-editor/plugins/current-block/current-block-replacement-block.tsx

@@ -0,0 +1,62 @@
+import {
+  memo,
+  useCallback,
+  useEffect,
+} from 'react'
+import { $applyNodeReplacement } from 'lexical'
+import { mergeRegister } from '@lexical/utils'
+import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext'
+import { decoratorTransform } from '../../utils'
+import { CURRENT_PLACEHOLDER_TEXT } from '../../constants'
+import type { CurrentBlockType } from '../../types'
+import {
+  $createCurrentBlockNode,
+  CurrentBlockNode,
+} from './node'
+import { CustomTextNode } from '../custom-text/node'
+
+const REGEX = new RegExp(CURRENT_PLACEHOLDER_TEXT)
+
+const CurrentBlockReplacementBlock = ({
+  generatorType,
+  onInsert,
+}: CurrentBlockType) => {
+  const [editor] = useLexicalComposerContext()
+
+  useEffect(() => {
+    if (!editor.hasNodes([CurrentBlockNode]))
+      throw new Error('CurrentBlockNodePlugin: CurrentBlockNode not registered on editor')
+  }, [editor])
+
+  const createCurrentBlockNode = useCallback((): CurrentBlockNode => {
+    if (onInsert)
+      onInsert()
+    return $applyNodeReplacement($createCurrentBlockNode(generatorType))
+  }, [onInsert, generatorType])
+
+  const getMatch = useCallback((text: string) => {
+    const matchArr = REGEX.exec(text)
+
+    if (matchArr === null)
+      return null
+
+    const startOffset = matchArr.index
+    const endOffset = startOffset + CURRENT_PLACEHOLDER_TEXT.length
+    return {
+      end: endOffset,
+      start: startOffset,
+    }
+  }, [])
+
+  useEffect(() => {
+    REGEX.lastIndex = 0
+    return mergeRegister(
+      editor.registerNodeTransform(CustomTextNode, textNode => decoratorTransform(textNode, getMatch, createCurrentBlockNode)),
+    )
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [])
+
+  return null
+}
+
+export default memo(CurrentBlockReplacementBlock)