fix local attachment paths in exports (docmost#1013)

Author: Philipinho

apps/server/src/integrations/export/export.service.ts

@@ -21,7 +21,7 @@ import {
   getProsemirrorContent,
   PageExportTree,
   replaceInternalLinks,
-  updateAttachmentUrls,
+  updateAttachmentUrlsToLocalPaths,
 } from './utils';
 import { PageRepo } from '@docmost/db/repos/page/page.repo';
 import { Node } from '@tiptap/pm/model';
@@ -193,7 +193,7 @@ export class ExportService {
 
         if (includeAttachments) {
           await this.zipAttachments(updatedJsonContent, page.spaceId, folder);
-          updatedJsonContent = updateAttachmentUrls(updatedJsonContent);
+          updatedJsonContent = updateAttachmentUrlsToLocalPaths(updatedJsonContent);
         }
 
         const pageTitle = getPageTitle(page.title);

apps/server/src/integrations/export/utils.ts

@@ -62,17 +62,30 @@ export function isAttachmentNode(nodeType: string) {
   return attachmentNodeTypes.includes(nodeType);
 }
 
-export function updateAttachmentUrls(prosemirrorJson: any) {
+export function updateAttachmentUrlsToLocalPaths(prosemirrorJson: any) {
   const doc = jsonToNode(prosemirrorJson);
+  if (!doc) return null;
+
+  // Helper function to replace specific URL prefixes
+  const replacePrefix = (url: string): string => {
+    const prefixes = ['/files', '/api/files'];
+    for (const prefix of prefixes) {
+      if (url.startsWith(prefix)) {
+        return url.replace(prefix, 'files');
+      }
+    }
+    return url;
+  };
 
   doc?.descendants((node: Node) => {
     if (isAttachmentNode(node.type.name)) {
-      if (node.attrs.src && node.attrs.src.startsWith('/files')) {
-        //@ts-expect-error
-        node.attrs.src = node.attrs.src.replace('/files', 'files');
-      } else if (node.attrs.url && node.attrs.url.startsWith('/files')) {
-        //@ts-expect-error
-        node.attrs.url = node.attrs.url.replace('/files', 'files');
+      if (node.attrs.src) {
+        // @ts-ignore
+        node.attrs.src = replacePrefix(node.attrs.src);
+      }
+      if (node.attrs.url) {
+        // @ts-ignore
+        node.attrs.url = replacePrefix(node.attrs.url);
       }
     }
   });