revise code

Author: scisxuepeng

README.md

@@ -245,7 +245,7 @@ let r = forwardSkey(keyPair, dianPKey, enclaveHash);
 }
 ```
 
-##### 可恢复流
+##### 可恢复流（仅适用于Node环境）
 
 meta-encryptor 提供了支持断点续传的可恢复流功能，主要包含以下组件：
 

batch.yarn.test.sh

@@ -0,0 +1,94 @@
+import { Transform, Readable, Writable } from 'stream';
+
+export class ToString extends Transform {
+  constructor(options?: any, schema?: any);
+}
+
+export class Sealer extends Transform {
+  constructor(options?: any);
+}
+
+export class Unsealer extends Transform {
+  constructor(options?: any);
+}
+
+export class SealedFileStream extends Readable {
+  constructor(filePath: string, options?: any);
+}
+
+export class PipelineContext {
+  context: Record<string, any>;
+  options: any;
+  constructor(options?: any);
+  update(key: string, value: any): void;
+  saveContext(): Promise<void> | void;
+  loadContext(): Promise<void> | void;
+}
+
+export class PipelineContextInFile extends PipelineContext {
+  constructor(filePath: string, options?: any);
+  saveContext(): Promise<void>;
+  loadContext(): Promise<void>;
+}
+
+export class RecoverableReadStream extends Readable {
+  constructor(filePath: string, context: PipelineContext, options?: any);
+}
+
+export class RecoverableWriteStream extends Writable {
+  constructor(filePath: string, context: PipelineContext, options?: any);
+}
+
+// Sealed file utilities
+export function isSealedFile(filePath: string): boolean;
+export function sealedFileVersion(filePath: string): number;
+export function dataHashOfSealedFile(filePath: string): Buffer | null;
+export function signedDataHash(keyPair: any, dataHash: Buffer): Buffer;
+export function forwardSkey(keyPair: any, dianPKey: any, enclaveHash?: Buffer): { encrypted_skey: Buffer; forward_sig: Buffer };
+export function calculateSealedHash(filePath: string): string;
+
+// DataProvider (constructor-style API)
+export class DataProviderClass {
+  header: any;
+  block_meta_info: any[];
+  sealed_data: any[];
+  data_lines: any[];
+  counter: number;
+  key_pair: any;
+  constructor(keyPair: any);
+  write_batch(batch: any, public_key: string, writable_stream?: any): void;
+  sealData(input: any, writable_stream?: any, is_end?: boolean): any;
+  setHeaderAndMeta(): { headerInfo: Buffer; blockInfo: Buffer; meta: any };
+  static headerAndBlockBufferFromBuffer(buf: Buffer): { header: Buffer; block: Buffer } | null;
+}
+
+export const DataProvider: typeof DataProviderClass;
+export const checkSealedData: any;
+export const unsealData: any;
+
+export const YPCNtObject: any;
+export const YPCCrypto: any;
+
+export { Sealer as defaultSealer };
+
+export default {
+  ToString,
+  Sealer,
+  Unsealer,
+  SealedFileStream,
+  PipelineContext,
+  PipelineContextInFile,
+  RecoverableReadStream,
+  RecoverableWriteStream,
+  isSealedFile,
+  sealedFileVersion,
+  dataHashOfSealedFile,
+  signedDataHash,
+  forwardSkey,
+  calculateSealedHash,
+  DataProvider,
+  checkSealedData,
+  unsealData,
+  YPCNtObject,
+  YPCCrypto
+};

index.d.ts

@@ -4,7 +4,7 @@
     "description": "Data Seal/Unseal for Fidelius",
     "main": "build/commonjs/index.node.cjs",
     "module": "build/es/index.node.js",
-    "types": "src/index.d.ts",
+    "types": "index.d.ts",
     "exports": {
         ".": {
             "browser": {
@@ -20,10 +20,9 @@
     "type": "module",
     "files": [
         "build",
-        "src/index.d.ts",
-        "src/browser",
-        "src/header_util.js",
-        "src/limits.js"
+        "README.md",
+        "README.en.md",
+        "LICENSE"
     ],
     "scripts": {
         "build": "rollup-cli-build --no-uglify",

package.json

@@ -1,9 +1,8 @@
-// 使用浏览器兼容版本的 header_util，避免 bytebuffer 依赖问题
+
 import { ntpackage2batch, fromNtInput } from './header_util.browser.js';
 import { HeaderSize, MagicNum, CurrentBlockFileVersion } from '../limits.js';
 import { BrowserCrypto } from './ypccrypto.browser.js';
 
-// SSR兼容：将 MagicNum 转换为 Uint8Array（避免 Buffer 依赖）
 const MAGIC_NUM_BYTES = (() => {
   if (MagicNum instanceof Uint8Array) {
     return MagicNum;
@@ -63,7 +62,6 @@ export class UnsealerBrowser {
       throw new Error('Unsupported version: '+version_number);
     }
     const magic = headerBytes.slice(0,8);
-    // SSR兼容：使用纯 Uint8Array 比较，避免 Buffer 依赖
     if(magic.length !== MAGIC_NUM_BYTES.length){
       throw new Error('Magic number mismatch');
     }

src/browser/UnsealerBrowser.js

@@ -1,7 +1,3 @@
-// 命令式 API：下载并解密加密文件
-// 使用方式：
-// import { downloadUnsealed } from '@yeez-tech/meta-encryptor/src/browser/downloadUnsealed.js'
-// downloadUnsealed({ url: '...', privateKey: '...', filename: '...' })
 
 import { unsealStream } from './UnsealerBrowser.js'
 import { prepareSealedResponse } from './SealedHttpTailHeaderTransform.js'

src/browser/downloadUnsealed.js

@@ -26,6 +26,5 @@ function copyServiceWorker() {
 copyServiceWorker()
 
 export default defineConfig({
-  // 你的其他配置...
 })
 

src/browser/vite.config.example.js

@@ -3,15 +3,15 @@
     "esModuleInterop": true,
     "resolveJsonModule": true,
     "noEmit": false,
+    "allowJs": true,
     "rootDir": "./src",
     "outDir": "./dist",
     "emitDeclarationOnly": true,
     "declaration": true,
     "declarationDir": "./dist/types"
   },
   "include": [
-    "src/*",
-    "test/UnsealerWithTus.js"
+    "src/**/*"
   ],
   "exclude": [
     "node_modules"