var path = require('path');
var webpack = require("webpack");
var ExtractTextPlugin = require("extract-text-webpack-plugin");
var fs=require('fs'),
path=require('path');

var commons=[];

var config = JSON.parse(fs.readFileSync('./package.json').toString());
var spmroot=path.join(__dirname, 'spm_modules');
var alias={};
for(key in config.spm.dependencies){

  var edition=path.join(key,config.spm.dependencies[key]);
  
  var json=path.join(spmroot,path.join(edition,'package.json'));

  var mainjs=JSON.parse(fs.readFileSync(json).toString()).spm.main;
  if(!alias[key]){
      alias[key]=path.join(edition,mainjs).replace('/\\/ig','/');
  }

}
for (key in config.spm.dependencies) {
    commons.push(key);
}
var entry={index:[],libs:[]};

console.log(commons);
entry.libs=commons;
entry.index=["./index.js"];


var plugins=[
    //获取公共js
    new webpack.optimize.CommonsChunkPlugin('libs','libs.js'),
    //全局引入jquery
    new webpack.ProvidePlugin({
      $: "yoho.jquery",
      jQuery: "yoho.jquery",
      "window.jQuery": "yoho.jquery"
    })
];

module.exports = {
    entry: entry,
    output: { 
        filename:'[name].js'
    },
     resolve:{
        root: [spmroot],
        extension:['','.js'],
        alias:alias
    },
    plugins:plugins
};