node压缩文件夹

 1 var fs = require(‘fs‘)
 2 var path = require(‘path‘)
 3 var util = require(‘util‘)
 4 var tar = require(‘tar‘)
 5 var zlib = require(‘zlib‘)
 6 
 7 var now = Date.now()
 8 
 9 var pack = new tar.Pack({gzip:true})
10 
11 var root = path.join(‘F:\\test‘)
12 console.log(root)
13 
14 //遍历文件夹，并以指定基准输出
15 readDirSync(root,"base")
16 function readDirSync(path,base) {
17     if(base == undefined) {
18         base = path
19     }
20     var pa = fs.readdirSync(path)
21     pa.forEach((ele,index)=>{
22         var info = fs.statSync(path + "/" + ele)
23         
24         if(info.isDirectory()) {
25             //console.log("dir:" + ele)
26             readDirSync(path + "/" + ele,base +"/" + ele)
27         } else {
28            // console.log("file:" + base +"/" + ele)
29            pack.add(path + "/" + ele)
30         }
31     })
32 
33 }
34 
35 pack.end()
36 var writeStream = fs.createWriteStream(‘test.tar.gz‘)
37 
38 writeStream.on(‘finish‘,()=>{
39     console.log(Date.now() - now)
40 })
41 //pack.write(‘test.tar‘)
42 pack.pipe(writeStream)