feat: workflow add note node (#5164)

web/app/components/workflow/note-node/note-editor/utils.ts

@@ -0,0 +1,21 @@
+import { $isAtNodeEnd } from '@lexical/selection'
+import type { ElementNode, RangeSelection, TextNode } from 'lexical'
+
+export function getSelectedNode(
+  selection: RangeSelection,
+): TextNode | ElementNode {
+  const anchor = selection.anchor
+  const focus = selection.focus
+  const anchorNode = selection.anchor.getNode()
+  const focusNode = selection.focus.getNode()
+  if (anchorNode === focusNode)
+    return anchorNode
+
+  const isBackward = selection.isBackward()
+  if (isBackward)
+    return $isAtNodeEnd(focus) ? anchorNode : focusNode
+  else
+    return $isAtNodeEnd(anchor) ? anchorNode : focusNode
+}
+
+export const urlRegExp = /((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=+$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=+$,\w]+@)[A-Za-z0-9.-]+)((?:\/[+~%/.\w-_]*)?\??(?:[-+=&;%@.\w_]*)#?(?:[\w]*))?)/