feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/arch/pdfjs-shadow/scripts/build-assets.ts

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * 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.
+ */
+ 
+import path from 'path';
+import fs from 'fs/promises';
+
+import { OUTPUT_DIR } from './const';
+
+// 复制目录的函数
+const copyDir = async (src: string, dest: string) => {
+  // 读取目录下所有文件/文件夹
+  const entries = await fs.readdir(src, { withFileTypes: true });
+
+  // 创建目标目录
+  await fs.mkdir(dest, { recursive: true });
+
+  // 遍历所有文件/文件夹
+  for (const entry of entries) {
+    const srcPath = path.join(src, entry.name);
+    const destPath = path.join(dest, entry.name);
+
+    if (entry.isDirectory()) {
+      // 如果是文件夹则递归复制
+      await copyDir(srcPath, destPath);
+    } else {
+      // 如果是文件则直接复制
+      await fs.copyFile(srcPath, destPath);
+    }
+  }
+};
+
+export const buildAssets = async () => {
+  const source = path.resolve(
+    path.dirname(require.resolve('pdfjs-dist/package.json')),
+    './cmaps',
+  );
+  await copyDir(source, path.resolve(OUTPUT_DIR, './cmaps'));
+};