fix(super-editor): rethrow export docx errors

packages/super-editor/src/editors/v1/core/Editor.ts

@@ -3808,9 +3808,7 @@ export class Editor extends EventEmitter<EditorEventMap> {
     getUpdatedDocs = false,
     fieldsHighlightColor = null,
     compression,
-  }: ExportDocxParams = {}): Promise<
-    Blob | Buffer | Record<string, string | null> | string | ConvertedXmlPart | undefined
-  > {
+  }: ExportDocxParams = {}): Promise<Blob | Buffer | Record<string, string | null> | string | ConvertedXmlPart> {
     try {
       const exportHostEditor = resolveMainBodyEditor(this);
       commitLiveStorySessionRuntimes(exportHostEditor);
@@ -4081,6 +4079,7 @@ export class Editor extends EventEmitter<EditorEventMap> {
       const err = error instanceof Error ? error : new Error(String(error));
       this.emit('exception', { error: err, editor: this });
       console.error(err);
+      throw err;
     }
   }
 

packages/super-editor/src/editors/v1/tests/export/exportDocx.errors.test.js

@@ -0,0 +1,36 @@
+import { describe, expect, it, vi } from 'vitest';
+import { Editor } from '@core/Editor.js';
+
+const SAMPLE_JSON = {
+  type: 'doc',
+  attrs: { attrs: null },
+  content: [
+    {
+      type: 'paragraph',
+      content: [{ type: 'text', text: 'Export errors should reach the caller' }],
+    },
+  ],
+};
+
+describe('Editor.exportDocx() error handling', () => {
+  it('emits an exception event and rejects when export fails', async () => {
+    const editor = await Editor.open(undefined, { json: SAMPLE_JSON });
+    const exportError = new Error('export failed');
+    const exceptionListener = vi.fn();
+    const consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+
+    editor.on('exception', exceptionListener);
+    vi.spyOn(editor.converter, 'exportToDocx').mockRejectedValue(exportError);
+
+    try {
+      await expect(editor.exportDocx({ exportXmlOnly: true })).rejects.toBe(exportError);
+
+      expect(exceptionListener).toHaveBeenCalledTimes(1);
+      expect(exceptionListener).toHaveBeenCalledWith({ error: exportError, editor });
+      expect(consoleErrorSpy).toHaveBeenCalledWith(exportError);
+    } finally {
+      consoleErrorSpy.mockRestore();
+      editor.destroy();
+    }
+  });
+});