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youloge.etag

v1.2.0

Published

youloge.etag fast library

Downloads

12

Readme

最好用的前端文件分块哈希工具

实现七牛 ETag 算法 AWS s3 Etag 算法,仅4.07 kB,支持批量,带执行进度progress, 文件自动分片,支持分片单独读取,MD5SHA1

CDN 引入使用方式 10.82 kB │ gzip: 4.07 kB

  • https://unpkg.com/youloge.etag

  • https://cdn.jsdelivr.net/npm/youloge.etag

  • 直接包安装 npm i youloge.etag

如何使用

youloge.etag({
  file:file, // 必选 传入文件
  size:1024*1024*5, // 可选参数 用于自定义分片大小(MD5)
  progress:(res)=>{ // 可选参数 监听执行进度
    res = {type: 'tag', step: 1, total: 1}
    res = {type: 'key', step: 1, total: 1}
  }
}).then(file=>{
  console.log(file) // 执行完成 哈希等参数挂载再file对象上
}).catch(err=>{ })

异步返回

File 对象
{
  // QEtag 块信息
  "keys": [
      {
          "chunk": {}, // QEtag 分片 固定4MB
          "words": {}  // QEtag 分片哈希 .toString() 即可转为字符串
      },
  ],
  // MD5 Etag 块信息
  "tags": [
      {
          "chunk": {}, // 默认分片大小 5MB 可自定义
          "words": {}  // MD5 .toString() 即可转为字符串
      },
  ],
  "key": "lkNwJK-VGN5T5UienEnVEAhYCQxR", // QEtag 计算结果
  "tag": "19273b26242f42fad1ff8ca26790fcb8-3", // AWS Etag 计算结果
  // 标准File对象属性
  "lastModified":1710797382891,
  "lastModifiedDate":Tue Mar 19 2024 05:29:42 GMT+0800 (中国标准时间),
  "name":"test.txt",
  "size":14025894,
  "type":"text/plain",
  "webkitRelativePath":""
}

但行好事 莫问前程

Youloge.Qrcode 纯二维码生成库 Gzip 5Kb