add font bcmaps

helpers/pdf.ts

@@ -1,8 +1,8 @@
 import pdfjs from 'pdfjs-dist';
 import { delay } from './time';
 
-pdfjs.GlobalWorkerOptions.workerSrc = '/build/pdf.worker.min.js';
-pdfjs.cMapUrl = '/build/cmaps/';
+pdfjs.GlobalWorkerOptions.workerSrc = '/static/build/pdf.worker.min.js';
+pdfjs.cMapUrl = '/static/cmaps/';
 pdfjs.cMapPacked = true;
 
 let normalizationRegex: any = null;
@@ -27,6 +27,8 @@ export const fetchPdf = async (
   try {
     const loadingTask = pdfjs.getDocument({
       url: src,
+      cMapUrl: '/static/cmaps/',
+      cMapPacked: true,
     });
 
     if (cb) {

public/build/pdf.worker.entry.js

@@ -1,17 +0,0 @@
-/* Copyright 2016 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-(typeof window !== 'undefined' ? window : {}).pdfjsWorker =
-  require('./pdf.worker.js');