用tinypng压缩图片

const tinify = require("tinify");
tinify.key = "本人的appkey";


const fs=require('fs');
const glob=require('glob');
const mkdir=require('./utils/mkdir');

const srcDir='./src/';
//被搜索的资源
let sourceFileArr=glob.sync(srcDir+'**/*.+(png|jpg|jpeg)');


sourceFileArr.forEach(function (path1,i) {
    const path2=path1.replace(srcDir,'./dist/')
    mkdir(path2)
    if(fs.existsSync(path2)&&fs.existsSync(path1)){
        const buffer1=fs.readFileSync(path1);
        const buffer2=fs.readFileSync(path2);

        if(!Buffer.compare(buffer1,buffer2)){
            console.log(path1)
        }
    }else{
        console.log(path1)
        build(path1,path2)
    }


});

function build(path1,path2){
    tinify.fromFile(path1).toFile(path2);
}