var minifier = require('node-minifier');

//压缩JS
var minifiedJS = minifier.minifyJS(jscontent);

//压缩CSS
var minifiedCSS = minifier.minifyCSS(csscontent);

//压缩HTML
var minifiedHTML = minifier.minifyHTML(htmlcontent);

//datauri
var datauriCSS = minifier.datauri(csscontent);

//压缩图片
minifier.minifyImage('logo.png', 'logo.min.png', function(e, data){
  if(e){
    console.log(e);
  }else{
    console.log(data.msg);
  }
});