Kopier cMaps og fontsDir til build

vite.config.ts

@@ -1,11 +1,20 @@
 import { execSync } from 'child_process';
+import { createRequire } from 'node:module';
 
 /// <reference types="vitest" />
 import react from '@vitejs/plugin-react-swc';
 import { visualizer } from 'rollup-plugin-visualizer';
-import { defineConfig, loadEnv } from 'vite';
+import { defineConfig, loadEnv, normalizePath } from 'vite';
 import { createHtmlPlugin } from 'vite-plugin-html';
+import { viteStaticCopy } from 'vite-plugin-static-copy';
 import svgr from 'vite-plugin-svgr';
+import * as path from 'node:path';
+
+const require = createRequire(import.meta.url);
+const cMapsDir = normalizePath(path.join(path.dirname(require.resolve('pdfjs-dist/package.json')), 'cmaps'));
+const standardFontsDir = normalizePath(
+    path.join(path.dirname(require.resolve('pdfjs-dist/package.json')), 'standard_fonts'),
+);
 
 export default defineConfig(({ mode }) => {
     const env = loadEnv(mode, process.cwd());
@@ -32,6 +41,12 @@ export default defineConfig(({ mode }) => {
             visualizer({
                 filename: 'bundle-stats.html',
             }),
+            viteStaticCopy({
+                targets: [
+                    { src: cMapsDir, dest: '' },
+                    { src: standardFontsDir, dest: '' },
+                ],
+            }),
         ],
         server: {
             port: 3000,