lixin-web/build/toDatauri.js

vue and bootstrap

const Datauri = require('datauri');
const through = require('through2');

module.exports = function(...className) {
  let count = 0
  return through.obj(function(file, encoding, callback) {
      file.contents = new Buffer(new Datauri(file.base + '' + file.relative).getCSS({
        class: className[count++],
        width: true,
        height: true
      }))
      //to write .css file
      file.path = file.path.replace('png','css')
      this.push(file)
      callback()
  });
};