is-epub:检查BufferUint8Array是否为EPUB

伊斯普 检查Buffer / Uint8Array是否为 安装 $ npm install is-epub 用法 Node.js import readChunk from 'read-chunk' ; import isEpub from 'is-epub' ; const buffer = readChunk . sync ( 'unicorn.epub' , 0 , 58 ) ; isEpub ( buffer ) ; //=> true 浏览器 import isEpub from 'is-epub' ; const xhr = new XMLHttpRequest ( ) ; xhr . open ( 'GET' , 'unicorn.epub' ) ; xhr . responseType = 'arraybuffer' ; xhr . onload = ( ) => {