├── dist ├── upload.js.LICENSE.txt └── upload.js ├── src ├── utils │ ├── index.js │ └── computeFileHashDirect.js └── upload.js ├── webpack.config.js ├── LICENSE ├── package.json ├── README.md ├── CHANGELOG.md └── index.d.ts /dist/upload.js.LICENSE.txt: -------------------------------------------------------------------------------- 1 | /*! regenerator-runtime -- Copyright (c) 2014-present, Facebook, Inc. -- license (MIT): https://github.com/facebook/regenerator/blob/main/LICENSE */ 2 | -------------------------------------------------------------------------------- /src/utils/index.js: -------------------------------------------------------------------------------- 1 | // utils.js 2 | import computeFileHashDirect from "./computeFileHashDirect"; 3 | 4 | const utils = { 5 | computeFileHashDirect, 6 | }; 7 | 8 | export default utils; 9 | -------------------------------------------------------------------------------- /webpack.config.js: -------------------------------------------------------------------------------- 1 | const path = require('path'); 2 | 3 | module.exports = { 4 | mode: 'production', 5 | entry: './src/upload.js', 6 | output: { 7 | path: path.resolve(__dirname, 'dist'), 8 | filename: 'upload.js', 9 | library: 'createUploader', 10 | libraryTarget: 'umd', 11 | globalObject: 'this' 12 | }, 13 | module: { 14 | rules: [ 15 | { 16 | test: /\.js$/, 17 | exclude: /node_modules/, 18 | use: { 19 | loader: 'babel-loader', 20 | options: { 21 | presets: ['@babel/preset-env'] 22 | } 23 | } 24 | } 25 | ] 26 | } 27 | }; 28 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | ISC License 2 | 3 | Copyright (c) 2024-present Jiang Kunju 4 | 5 | Permission to use, copy, modify, and/or distribute this software for any 6 | purpose with or without fee is hereby granted, provided that the above 7 | copyright notice and this permission notice appear in all copies. 8 | 9 | THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 | WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 | MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 | ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "enlarge-file-upload", 3 | "version": "x.y.z", 4 | "description": "A tool for chunked file upload with concurrency control.", 5 | "main": "dist/upload.js", 6 | "files": [ 7 | "dist", 8 | "CHANGELOG.md" 9 | ], 10 | "scripts": { 11 | "build": "webpack" 12 | }, 13 | "keywords": [ 14 | "file", 15 | "upload", 16 | "big files", 17 | "large files", 18 | "pause", 19 | "resume", 20 | "chunk", 21 | "chunked upload" 22 | ], 23 | 24 | "author": "", 25 | "license": "ISC", 26 | "dependencies": { 27 | "axios": "^1.7.2" 28 | }, 29 | "devDependencies": { 30 | "@babel/core": "^7.24.7", 31 | "@babel/preset-env": "^7.24.7", 32 | "babel-loader": "^9.1.3", 33 | "webpack": "^5.92.1", 34 | "webpack-cli": "^5.1.4" 35 | } 36 | } 37 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # File Upload Tool 2 | 3 | **请优先下载最新版本库** 4 | 这是一个用于大文件上传的工具包，提供了系列函数用来支持暂停、恢复、上传进度等功能，内置了错误重传策略，支持断点续传、重传、重试等功能（此库上传基于 axios 库，如果项目不支持 axios，勿用...）。
5 | **QQ 讨论群：324710217 群内有相关问题可以直接咨询，做到有问必答，可以加入群聊，与其他开发者共同讨论。** 6 | ## 使用文档 7 | **地址：** http://jiang-12-13.com:9898/ 8 | 9 | ## 演示案例 10 | **地址：** http://jiang-12-13.com:8988/ 11 | **本演示仅用于本库大文件上传案例在线演示，严禁上传违法内容和做其它用处。请善待服务器**
12 | 13 | ## npm 地址 14 | **地址：** https://www.npmjs.com/package/enlarge-file-upload 15 | 16 | ## 安装 17 | 18 | ```sh 19 | npm install enlarge-file-upload 20 | ``` 21 | ## CDN引入 22 | ```sh 23 | 24 | ``` 25 | 26 | ## 简介 27 | 本库底层采用javascript编写，支持任何前端框架或非框架项目。主要功能为大文件上传，做到开箱即用，只需要极简的操作便可实现大文件上传相关操作，且拥有强大的可扩展性。具体使用请参考使用文档：http://jiang-12-13.com:9898/ 28 | 29 | ## 建议 30 | 31 | 如果对此工具包有更好的建议或需要支持新的功能，欢迎提 issue 或者加入QQ群：324710217，做到一起讨论，一起改进。 32 | -------------------------------------------------------------------------------- /src/utils/computeFileHashDirect.js: -------------------------------------------------------------------------------- 1 | async function computeFileHashDirect(file, progressCallback, chunkSize = 5 * 1024 * 1024) { 2 | return new Promise((resolve, reject) => { 3 | const shaObj = sha256.create(); // 支持增量 update() 4 | const reader = new FileReader(); 5 | let offset = 0; 6 | 7 | reader.onerror = () => reject(reader.error); 8 | reader.onload = (e) => { 9 | const data = new Uint8Array(e.target.result); 10 | shaObj.update(data); // 增量计算 11 | offset += data.length; 12 | // 调用进度回调函数 13 | if (progressCallback) { 14 | progressCallback((offset / file.size) * 100); 15 | } 16 | 17 | if (offset < file.size) { 18 | readNext(); 19 | } else { 20 | resolve(shaObj.hex()); 21 | } 22 | }; 23 | 24 | function readNext() { 25 | const slice = file.slice(offset, offset + chunkSize); 26 | reader.readAsArrayBuffer(slice); 27 | } 28 | 29 | readNext(); 30 | }); 31 | } 32 | 33 | export default computeFileHashDirect; -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ### 更新日志 2 | 3 | 说明：1.0.4 版本及之前版本，都是测试版，有功能缺陷，请勿使用 4 | 5 | ### 1.0.0 6 | 7 | - 测试版，有功能缺陷，请勿使用 8 | - 初始化 9 | - 添加基础方法 10 | 11 | ### 1.0.1 12 | 13 | - 测试版，有功能缺陷，请勿使用 14 | 15 | ### 1.0.2 16 | 17 | - 测试版，有功能缺陷，请勿使用 18 | 19 | ### 1.0.3 20 | 21 | - 测试版，有功能缺陷，请勿使用 22 | 23 | ### 1.0.4 24 | 25 | - 测试版，有功能缺陷，请勿使用 26 | 27 | ### 1.0.5 28 | 29 | - 修复上传缺陷 30 | 31 | ### 1.0.6 32 | 33 | - 删除冗余模块，不涉及功能上的更改 34 | 35 | ## 1.0.7 36 | 37 | - 完善使用文档及更新日志 38 | 39 | ## 1.0.8 - 1.0.16 40 | 41 | - 测试版，仅支持部分功能 42 | 43 | ## 1.0.17 44 | 45 | - 稳定版本，具备大文件上传基本功能 46 | 47 | ## 1.0.18 48 | 49 | - 增加上传速度回调函数 50 | - 增加文件 hash 值计算 51 | 52 | ## 1.0.19 53 | 54 | - 修复二次上传，速度回调函数不被调用 bug 55 | 56 | ## 1.0.20 57 | 58 | - 增加可选项，可选择异步或同步计算 hash 值 59 | 60 | ## 1.0.21 61 | 62 | - 不涉及功能变更，仅更新文档，增加 react hooks 封装使用示例 63 | 64 | ## 1.0.22 65 | 66 | - 增加可选参数 startOffset，可指定从某个切片索引位置开始上传 67 | - 增加可选参数 includeChunks，可指定只上传某几个切片 68 | - 如果 startOffset 和 includeChunks 参数同时存在，且 startOffset 不为 0，默认优先使用 startOffset 参数 69 | 70 | ## 1.0.23 71 | 72 | - 不涉及功能变更，仅更新文档，增加 github 地址 73 | 74 | ## 1.0.24 75 | 76 | - 不涉及功能变更，仅更新文档，更新 github 地址 77 | 78 | ## 1.0.25 79 | 80 | - 测试 TS 类型支持-----测试版，勿用 81 | 82 | ## 1.0.26 83 | 84 | - 测试 TS 类型支持-----测试版，勿用 85 | 86 | ## 1.0.27 87 | 88 | - 增加 TS 类型支持 89 | 90 | ## 1.0.28 91 | 92 | - 修改失败重传 bug 93 | - state 增加 file 、errorMsg 和 totalChunks 数据 94 | - 上传失败时，有更友好的错误提示 95 | 96 | ## 1.0.29 97 | 98 | - 修复文件hash值计算异常问题 99 | 100 | ## 1.0.30 101 | 102 | - 不涉及功能变更，仅更新README文档 103 | 104 | ## 1.0.31 105 | 106 | - 不涉及功能变更，仅更新README文档 107 | 108 | ## 1.0.32 109 | 110 | - 不涉及功能变更，仅更新README文档 111 | 112 | ## 1.0.33 113 | 114 | - 不涉及功能变更，仅更新README文档 115 | 116 | ## 1.0.34 117 | 118 | - 不涉及功能变更，增加线上演示地址 119 | 120 | ## 2.0.35 121 | 122 | - 新增重置上传函数 123 | - 完善ts类型描述 124 | 125 | # 2.1.0 126 | hahs重构一期: 127 | - hash计算逻辑重构 128 | - 新增所有切片hashMap 129 | - 返回所有切片 130 | 131 | # 2.2.0 132 | hahs重构二期: 133 | - hash计算逻辑重构 134 | - 新增checker函数 135 | - 重新上线onError回调 136 | 137 | # 2.3.0-beta.1 138 | - 优化onSuccess回调 139 | - 优化reset函数 140 | - 其它非主要变更 141 | 142 | # 2.3.0-rc.1 143 | - 修复暂停函数死循环问题 144 | - ts补充类型暴露 145 | 146 | # 2.3.0-rc.2 147 | - 修复hash包被多次引入问题 148 | 149 | # 2.3.0 150 | - 修复错误回调函数参数bug 151 | - 全面实战测试 152 | 153 | # 2.3.1 154 | - ts类型补充及修复 155 | 156 | # 2.3.2 157 | - ts类型补充及修复 158 | - 增加文档地址 159 | 160 | # 2.3.3 161 | - 不涉及功能变更，仅更新文档 162 | 163 | # 2.3.4 164 | - 不涉及功能变更，仅更新文档 165 | 166 | # 2.3.5 167 | - ts类型补充及修复 168 | 169 | # 2.3.6 170 | - 支持自定义hash值计算 171 | - 修改readme文档 172 | 173 | # 2.3.7 174 | - 类型补充 175 | 176 | # 2.3.8 177 | - 支持抽样hash计算 178 | - 增加LICENSE文件 179 | 180 | # 2.3.9 - 该版本有严重缺陷，请勿使用 181 | - 新增utils工具函数模块 182 | - hash256改为本地导入 183 | 184 | # 2.3.10-beta.1 185 | - 修复hash256本地导入异常问题 186 | 187 | # 2.3.10 188 | - 完善ts类型定义 189 | 190 | # 2.3.11 191 | - 优化包体积，减少包大小 -------------------------------------------------------------------------------- /index.d.ts: -------------------------------------------------------------------------------- 1 | // index.d.ts 2 | 3 | import { CancelToken } from "axios"; 4 | 5 | /** 6 | * Custom hash calculation result: 7 | * - hash: The overall hash value of the current file (string) 8 | * - hashMap: A Map used to store the hash value of each chunk 9 | */ 10 | type HashResult = Promise<{ 11 | hash: string; 12 | hashMap: Map; 13 | }>; 14 | 15 | /** 16 | * Stream calculation mode: 17 | * - Parameters: 18 | * - chunk: Binary data of current chunk 19 | * - index: Index of current chunk 20 | * - Returns: 21 | * - A Promise that resolves to HashResult 22 | */ 23 | type ChunkHashFn = (chunk: Blob, index: number) => HashResult; 24 | 25 | /** 26 | * Single calculation mode: 27 | * - Parameters: 28 | * - file: Complete file object 29 | * - Returns: 30 | * - A Promise that resolves to HashResult 31 | */ 32 | type FileHashFn = (file: File) => HashResult; 33 | 34 | export interface UploadOptions { 35 | /** 36 | * Current chunk data 37 | * @example new Blob([file.slice(0, chunkSize)]) 38 | */ 39 | chunk: Blob; 40 | /** 41 | * Current chunk index (absolute position starting from 0, including start offset) 42 | * @example If startOffset=3, then actual index range is [3,4,5...] 43 | */ 44 | index: number; 45 | /** 46 | * Unique hash value of the file 47 | * @example "sha256-xxxxxx" 48 | */ 49 | hash: string | null; 50 | /** 51 | * Axios cancel token for request cancellation 52 | * @example axios.CancelToken.source().token 53 | */ 54 | cancelToken: CancelToken; 55 | } 56 | 57 | export interface Config { 58 | /** 59 | * [Required] Chunk upload handling function 60 | * @example ({ chunk, index, hash }) => axios.post(uploadUrl, formData) 61 | */ 62 | uploadFunction: (options: UploadOptions) => Promise; 63 | /** 64 | * [Optional] Chunk size (bytes), default is 5MB 65 | * @default 5 * 1024 * 1024 66 | */ 67 | chunkSize?: number; 68 | /** 69 | * [Optional] Starting chunk position index (for resumable uploads), defaults to start from first chunk 70 | * @example 3 (starts from 4th chunk) 71 | */ 72 | startOffset?: number; 73 | /** 74 | * [Optional] Specify chunk indices to upload (higher priority than startOffset) 75 | * @example [0,2,3] (only upload chunks with index 0, 2, 3) 76 | */ 77 | includeChunks?: number[]; 78 | /** 79 | * [Optional] Maximum retry attempts on upload failure, default 3 times 80 | * @default 3 81 | */ 82 | maxRetries?: number; 83 | /** 84 | * [Optional] Maximum concurrent requests, default 5 85 | * @default 5 86 | */ 87 | concurrency?: number; 88 | /** 89 | * [Optional] Whether to calculate file hash, default false 90 | * @default false 91 | */ 92 | hash?: boolean; 93 | /** 94 | * [Optional] Specify number of webworker threads needed for hash calculation 95 | * @default System CPU cores - 2 96 | */ 97 | threads?: number; 98 | /** 99 | * [Optional] Whether to wait for hash calculation completion before upload, default true 100 | * @default true 101 | */ 102 | awaitHash?: boolean; 103 | /** 104 | * [Optional] Custom hash calculation function: 105 | * Supports two modes: 106 | * 1. Direct file hash function input 107 | * 2. Pass an object to enable stream calculation mode: 108 | * - flow: Whether to enable chunk stream processing mode 109 | * - calculationHash: Chunk-level hash function 110 | */ 111 | customHash?: 112 | | FileHashFn 113 | | { 114 | flow: Boolean; 115 | calculationHash: ChunkHashFn; 116 | }; 117 | /** 118 | * [Optional] Whether to calculate all chunk hashes, default false 119 | * @default false 120 | */ 121 | chunkMap?: boolean | { async: boolean; indices?: number[] }; 122 | /** 123 | * [Callback] Triggered when hash calculation starts 124 | */ 125 | beginHash?: () => void; 126 | /** 127 | * [Callback] Triggered when hash calculation completes, returns final hash value 128 | */ 129 | endHash?: (hash: string) => void; 130 | /** 131 | * [Callback] Triggered when upload progress changes, returns value 0-100 132 | */ 133 | onProgress?: (progress: number) => void; 134 | /** 135 | * [Callback] Triggered when real-time upload speed changes, returns string with unit 136 | * @example "2.45 MB/s" 137 | */ 138 | onSpeed?: (speed: string) => void; 139 | /** 140 | * [Callback] Triggered when all chunks are uploaded and merged successfully 141 | */ 142 | onSuccess?: () => void; 143 | } 144 | 145 | export interface State { 146 | /** 147 | * Upload progress percentage (0-100) 148 | */ 149 | progress: number; 150 | /** 151 | * Current real-time upload speed (with unit) 152 | * @example "1.23 MB/s" 153 | */ 154 | speed: string; 155 | /** 156 | * Whether upload is completed 157 | */ 158 | uploadEnd: boolean; 159 | /** 160 | * File hash value (SHA256 based on chunk content) 161 | */ 162 | hash: string; 163 | /** 164 | * Current uploading original File object 165 | */ 166 | file: File | null; 167 | /** 168 | * Total number of chunks (including offset chunks) 169 | */ 170 | totalChunks: number; 171 | /** 172 | * Upload error message 173 | */ 174 | errorMsg: Error | null; 175 | /** 176 | * All chunks 177 | */ 178 | allChunks: []; 179 | /** 180 | * All chunks hashMap (only available when calculation is enabled, disabled by default) 181 | */ 182 | hashMap: Map; 183 | } 184 | 185 | export interface Uploader { 186 | /** 187 | * Start file upload 188 | * @param file - Browser File object to upload 189 | * @throws Chunk initialization failure/Unhandled error during upload 190 | */ 191 | upload: (file: File) => Promise; 192 | /** 193 | * Pause upload (will cancel ongoing transfer requests) 194 | */ 195 | pause: () => void; 196 | /** 197 | * Resume paused upload (continue from breakpoint) 198 | * @throws Error if called before chunk initialization 199 | */ 200 | resume: () => Promise; 201 | /** 202 | * Reset all states to initial values (equivalent to reinitialization) 203 | * - Clear all chunk data 204 | * - Cancel all ongoing requests 205 | * - Clear timers and cached data 206 | * - Reset progress to 0% 207 | */ 208 | reset: () => void; 209 | /** 210 | * Real-time state object, can achieve reactive updates by monitoring related properties 211 | */ 212 | state: State; 213 | } 214 | 215 | // Define base upload configuration interface, keeping only core configuration items 216 | export interface CheckerConfig 217 | extends Omit< 218 | Config, 219 | | "startOffset" 220 | | "concurrency" 221 | | "maxRetries" 222 | | "includeChunks" 223 | | "onProgress" 224 | | "onSpeed" 225 | | "onSuccess" 226 | | "uploadFunction" 227 | | "customHash" 228 | > {} 229 | 230 | // Return type for checker function 231 | export interface CheckerResult { 232 | /** 233 | * All chunks hashMap 234 | */ 235 | chunkHashMap: Map; 236 | /** 237 | * File hash value 238 | */ 239 | hash: string; 240 | /** 241 | * Total number of chunks 242 | */ 243 | totalChunks: number; 244 | /** 245 | * All chunks 246 | */ 247 | allChunks: Blob[]; 248 | } 249 | declare function createUploader(config: Config): Uploader; 250 | declare function checker( 251 | file: File, 252 | config: CheckerConfig 253 | ): Promise; 254 | 255 | export { createUploader, checker }; 256 | -------------------------------------------------------------------------------- /src/upload.js: -------------------------------------------------------------------------------- 1 | /** 2 | * @description:This is not the latest source code, so please do not use the files in the src directory directly! 3 | However, the files in the dist directory are compiled from the latest version and can be used directly! 4 | We will gradually open-source the new source code, so we apologize! 5 | * @date: 2023-06-28 current src file version: 1.0.0 6 | * @date: 2023-7-07 current dist file version: 1.0.22 7 | * @author: Jam 8 | */ 9 | const axios = require('axios'); 10 | function createUploader(config) { 11 | let fileChunks = null; 12 | let currentHash = null; 13 | let currentChunkIndex = 0; 14 | let isPaused = false; 15 | let activeRequests = []; 16 | let cancelTokens = []; 17 | let totalChunks = 0; 18 | let uploadedChunks = 0; 19 | let canceledChunks = []; 20 | let state = new Proxy( 21 | { 22 | progress: 0, // 进度 23 | speed: 0, // 上传速度 24 | uploadEnd: false, // 上传结束标志 25 | hash: "", // 文件总哈希值 26 | file: "", // 文件对象 27 | totalChunks: "", // 切片总数 28 | errorMsg: "", // 错误信息 29 | allChunks: [], // 所有切片数组 30 | hashMap: new Map(), // 哈希映射 31 | }, 32 | { 33 | set(target, property, value) { 34 | if (property === "progress") { 35 | target[property] = value; 36 | return true; 37 | } 38 | if (property === "speed") { 39 | target[property] = value; 40 | return true; 41 | } 42 | if (property === "uploadEnd") { 43 | target[property] = true; 44 | return true; 45 | } 46 | if (property === "hash") { 47 | target[property] = value; 48 | return true; 49 | } 50 | if (property === "file") { 51 | target[property] = value; 52 | return true; 53 | } 54 | if (property === "totalChunks") { 55 | target[property] = value; 56 | return true; 57 | } 58 | if (property === "errorMsg") { 59 | target[property] = value; 60 | return true; 61 | } 62 | if (property === "allChunks") { 63 | target[property] = value; 64 | return true; 65 | } 66 | if (property === "hashMap") { 67 | target[property] = value; 68 | return true; 69 | } 70 | return false; 71 | }, 72 | } 73 | ); 74 | 75 | function createFileChunk(file, size = 1 * 1024 * 1024) { 76 | let chunks = []; 77 | let count = Math.ceil(file.size / size); 78 | for (let i = 0; i < count; i++) { 79 | let chunk = file.slice(size * i, size * (i + 1)); 80 | chunks.push(chunk); 81 | } 82 | return chunks; 83 | } 84 | 85 | function calculateHash(fileChunks) { 86 | 87 | return new Promise((resolve) => { 88 | setTimeout(() => resolve("fake-hash-value"), 1000); 89 | }); 90 | } 91 | 92 | function createChunkUploader( 93 | chunk, 94 | index, 95 | hash, 96 | retryCount = 0, 97 | maxRetries, 98 | cancelToken 99 | ) { 100 | return async function () { 101 | const formData = new FormData(); 102 | formData.append("chunk", chunk); 103 | formData.append("hash", hash); 104 | formData.append("index", index); 105 | const url = config.url || `http://localhost:3000/api/users`; 106 | try { 107 | await axios.post(url, formData, { cancelToken }); 108 | uploadedChunks++; 109 | state.progress = (uploadedChunks / totalChunks) * 100; 110 | } catch (error) { 111 | if (axios.isCancel(error)) { 112 | canceledChunks.push({ chunk, index }); 113 | return; 114 | } 115 | if (retryCount < maxRetries) { 116 | return createChunkUploader( 117 | chunk, 118 | index, 119 | hash, 120 | retryCount + 1, 121 | maxRetries, 122 | cancelToken 123 | )(); 124 | } 125 | } 126 | }; 127 | } 128 | async function uploadChunksWithConcurrencyControl( 129 | concurrency, 130 | maxRetries 131 | ) { 132 | const scheduleNext = async () => { 133 | if (isPaused || currentChunkIndex >= fileChunks.length) return; 134 | const chunk = fileChunks[currentChunkIndex]; 135 | const cancelTokenSource = axios.CancelToken.source(); 136 | cancelTokens.push(cancelTokenSource); 137 | const chunkUploader = createChunkUploader( 138 | chunk, 139 | currentChunkIndex, 140 | currentHash, 141 | 0, 142 | maxRetries, 143 | cancelTokenSource.token 144 | ); 145 | currentChunkIndex++; 146 | const chunkUploadPromise = chunkUploader().then(() => { 147 | activeRequests = activeRequests.filter( 148 | (p) => p !== chunkUploadPromise 149 | ); 150 | }); 151 | activeRequests.push(chunkUploadPromise); 152 | if (activeRequests.length < concurrency) { 153 | scheduleNext(); 154 | } 155 | }; 156 | while ( 157 | activeRequests.length < concurrency && 158 | currentChunkIndex < fileChunks.length 159 | ) { 160 | scheduleNext(); 161 | } 162 | await Promise.all(activeRequests); 163 | if (canceledChunks.length > 0 && !isPaused) { 164 | const tempCanceledChunks = [...canceledChunks]; 165 | canceledChunks = []; 166 | for (const { chunk, index } of tempCanceledChunks) { 167 | const cancelTokenSource = axios.CancelToken.source(); 168 | cancelTokens.push(cancelTokenSource); 169 | const chunkUploader = createChunkUploader( 170 | chunk, 171 | index, 172 | currentHash, 173 | 0, 174 | maxRetries, 175 | cancelTokenSource.token 176 | ); 177 | const chunkUploadPromise = chunkUploader().then(() => { 178 | activeRequests = activeRequests.filter( 179 | (p) => p !== chunkUploadPromise 180 | ); 181 | }); 182 | activeRequests.push(chunkUploadPromise); 183 | if (activeRequests.length < concurrency) { 184 | scheduleNext(); 185 | } 186 | } 187 | await Promise.all(activeRequests); 188 | } 189 | } 190 | 191 | function pauseUpload() { 192 | isPaused = true; 193 | cancelTokens = []; 194 | } 195 | async function resumeUpload() { 196 | if (!fileChunks) { 197 | } 198 | if (!isPaused) return; 199 | isPaused = false; 200 | await uploadChunksWithConcurrencyControl( 201 | config.concurrency || 5, 202 | config.maxRetries || 3 203 | ); 204 | } 205 | 206 | async function handleUpload(file) { 207 | if (currentChunkIndex === 0) { 208 | } 209 | await uploadChunksWithConcurrencyControl( 210 | config.concurrency || 5, 211 | config.maxRetries || 3 212 | ); 213 | } 214 | /** 215 | * 重置所有上传数据 216 | */ 217 | function reset() { 218 | isReset = true; 219 | // 取消所有进行中的请求 220 | cancelTokens.forEach((source) => source.cancel("Upload reset")); 221 | // 清空所有状态和计数器 222 | fileChunks = []; 223 | currentHash = null; 224 | currentChunkIndex = 0; 225 | isPaused = false; 226 | activeRequests = []; 227 | cancelTokens = []; 228 | totalChunks = 0; 229 | uploadedChunks = 0; 230 | canceledChunks = []; 231 | uploadedSize = 0; 232 | accumulatedPausedTime = 0; 233 | lastPauseTime = 0; 234 | globalObj = {}; 235 | 236 | // 停止速度计算定时器 237 | if (intervalId) { 238 | clearInterval(intervalId); 239 | intervalId = null; 240 | } 241 | 242 | // 重置状态对象 243 | Object.keys(state).forEach((key) => { 244 | if (key === "progress") state[key] = 0; 245 | else if (key === "speed") state[key] = 0; 246 | else if (key === "uploadEnd") state[key] = false; 247 | else if (key === "hash") state[key] = ""; 248 | else if (key === "file") state[key] = ""; 249 | else if (key === "totalChunks") state[key] = ""; 250 | else if (key === "errorMsg") state[key] = ""; 251 | else if (key === "allChunks") state[key] = []; 252 | else if (key === "hashMap") state[key] = new Map(); 253 | }); 254 | } 255 | 256 | return { 257 | upload: handleUpload, 258 | pause: pauseUpload, 259 | resume: resumeUpload, 260 | reset, 261 | state, 262 | }; 263 | } 264 | 265 | /** 266 | * 检查文件hash值 267 | * @param {File} file - 待检查的文件对象 268 | * @param {Object} config - 配置对象 269 | * @returns {Promise<{hash: string, chunks: number}>} Promise对象，包含文件哈希值和切片数量 270 | */ 271 | async function checker(file, config = {}) { 272 | let allChunks = []; 273 | let totalChunks = 0; 274 | let fileHash; 275 | let chunkHashMap = new Map(); 276 | let cpuThreads = config.threads || cupNum; 277 | let optHash = []; 278 | let hashNumFlag = false; 279 | const startOffset = 0; 280 | globalObj = {}; 281 | // (config.startOffset || 0) * (config.chunkSize || 5 * 1024 * 1024); 282 | // 创建文件切片 283 | allChunks = createFileChunk( 284 | file, 285 | config.chunkSize || 5 * 1024 * 1024, 286 | startOffset 287 | ); 288 | totalChunks = allChunks.length; 289 | if (totalChunks === 0) { 290 | throw new Error( 291 | "The startOffset parameter is too large and the file slices array is empty." 292 | ); 293 | } 294 | config.beginHash && config.beginHash(); 295 | if (config.chunkMap?.indices?.length) { 296 | optHash = config.chunkMap?.indices.map((index) => allChunks[index]); 297 | } else { 298 | optHash = allChunks; 299 | } 300 | // 计算各个分片哈希值 301 | async function computeHash() { 302 | const thashMap = config.chunkMap && config.chunkMap?.async !== true; 303 | const yhashMap = config.chunkMap?.async; 304 | if ( 305 | (yhashMap && config.awaitHash !== false) || 306 | config.hash !== true || 307 | (config.awaitHash == false && thashMap) 308 | ) { 309 | if (thashMap) { 310 | chunkHashMap = await hashAllSlices(optHash, config, cpuThreads); 311 | } else if (yhashMap) { 312 | hashAllSlices(optHash, config, cpuThreads).then((hashes) => { 313 | chunkHashMap = hashes; 314 | }); 315 | } 316 | } else { 317 | hashNumFlag = true; 318 | } 319 | } 320 | await computeHash(); 321 | config.endHash && config.endHash(fileHash); 322 | globalObj = { 323 | config, 324 | chunkHashMap: chunkHashMap, 325 | hash: fileHash, 326 | totalChunks, 327 | allChunks, 328 | chunkSize: config.chunkSize || 5 * 1024 * 1024, 329 | }; 330 | return { 331 | chunkHashMap, 332 | hash: fileHash, 333 | totalChunks, 334 | allChunks, 335 | }; 336 | } 337 | 338 | // 修改导出方式 339 | export { createUploader, checker }; 340 | 341 | // 为了兼容 CommonJS 342 | if (typeof module !== "undefined" && module.exports) { 343 | module.exports = { createUploader, checker }; 344 | } -------------------------------------------------------------------------------- /dist/upload.js: -------------------------------------------------------------------------------- 1 | /*! 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