migrate from github

src/composables/document/editor/rich-text-editor/extractMentions.js

@@ -0,0 +1,16 @@
+/**
+ * Extract all unique mentioned user external IDs from the Tiptap editor state.
+ *
+ * @param {import('@tiptap/vue-3').Editor} editor
+ * @returns {string[]}
+ */
+export function extractMentionIds(editor) {
+  if (!editor) return [];
+  const ids = [];
+  editor.state.doc.descendants((node) => {
+    if (node.type.name === 'mention' && node.attrs.id) {
+      ids.push(node.attrs.id);
+    }
+  });
+  return [...new Set(ids)];
+}