Omit extractCodeFromMxfile

packages/app/src/components/PageEditor/DrawioCommunicationHelper.ts

@@ -1,5 +1,3 @@
-import { extractCodeFromMxfile } from '@growi/remark-drawio';
-
 import loggerFactory from '~/utils/logger';
 
 
@@ -63,16 +61,7 @@ export class DrawioCommunicationHelper {
 
     // restore diagram data
     if (event.data === 'ready') {
-      let code = drawioMxFile;
-      try {
-        code = extractCodeFromMxfile(drawioMxFile);
-      }
-      // catch error if drawioMxFile is not XML
-      catch (err) {
-        // do nothing because drawioMxFile might be base64 code
-      }
-
-      event.source?.postMessage(code, { targetOrigin: '*' });
+      event.source?.postMessage(drawioMxFile, { targetOrigin: '*' });
       return;
     }
 

packages/app/src/components/ReactMarkdownComponents/DrawioViewerWithEditButton.tsx

@@ -4,7 +4,7 @@ import EventEmitter from 'events';
 
 import {
   DrawioEditByViewerProps,
-  DrawioViewer, DrawioViewerProps, extractCodeFromMxfile,
+  DrawioViewer, DrawioViewerProps,
 } from '@growi/remark-drawio';
 import { useTranslation } from 'next-i18next';
 
@@ -33,7 +33,7 @@ export const DrawioViewerWithEditButton = React.memo((props: DrawioViewerProps):
 
   const editButtonClickHandler = useCallback(() => {
     const data: DrawioEditByViewerProps = {
-      bol, eol, drawioMxFile: extractCodeFromMxfile(mxfile),
+      bol, eol, drawioMxFile: mxfile,
     };
     globalEmitter.emit('launchDrawioModal', data);
   }, [bol, eol, mxfile]);

packages/remark-drawio/src/utils/embed.ts

@@ -2,11 +2,6 @@
 import pako from 'pako';
 import xmldoc from 'xmldoc';
 
-export const extractCodeFromMxfile = (input: string): string => {
-  const doc = new xmldoc.XmlDocument(input);
-  return doc.valueWithPath('diagram');
-};
-
 const validateUncompressedData = (input: string): boolean => {
   return new RegExp('/<mxGraphModel/').test(input);
 };
@@ -14,13 +9,6 @@ const validateUncompressedData = (input: string): boolean => {
 const validateCompressedData = (input: string): boolean => {
   let data = input;
 
-  try {
-    data = extractCodeFromMxfile(data);
-  }
-  catch (e) {
-    // ignore
-  }
-
   try {
     data = Buffer.from(data, 'base64').toString('binary');
   }