webpack.config.js

var debug = process.env.NODE_ENV !== "production";
var webpack = require('webpack');
var path = require('path');
// List all files in a directory in Node.js recursively in a synchronous fashion
// List all files in a directory in Node.js recursively in a synchronous fashion
var walkSync = function (dir, filelist) {

  if (dir[dir.length - 1] != '/')
    dir = dir.concat('/')

  var fs = fs || require('fs'),
    files = fs.readdirSync(dir);
  filelist = filelist || [];
  files.forEach(function (file) {
    if (fs.statSync(dir + file).isDirectory()) {
      filelist = walkSync(dir + file + '/', filelist);
    }
    else {
      // build regex search
      var re = new RegExp(/\kjsmodule.(json)/g);
      if (re.test(file)) {
        console.log(file);
        filelist.push(dir + file);
      }
    }
  });

 // console.log(filelist);
  return filelist;


};
var getAppEntries = function (dir) {

  var files = walkSync(dir);
  //var parsedJSON = require(x);
  var mergeJSON = require("merge-json");
  var result = {};
  files.forEach(function (file) {
    var json = require(file);
    //console.log(json)
    result = mergeJSON.merge(result, json);

  });
   console.log(result);
  return result;
 
}

module.exports = {
  context: __dirname,
  devtool: debug ? "sourcemap" : false,//or sourcemap
  entry: getAppEntries(__dirname),
  // {
  //   octagrid: './octagrid/grid.ts',
  //   formbuilder: './octagrid/formbuilder.ts',
  //   trainingapp: './myapp/trainingapp.ts',
  // },
  output: {
    path: path.join(__dirname, 'dist'),
    filename: '[name]/[name].bundle.js'
  },
  module: {
    rules: [
      {
        test: /\.ts$/,
        loader: 'ts-loader',
        include: path.resolve(__dirname, 'octagrid'),
        exclude: /node_modules/,
      },
    ]
  },
  resolve: {
    extensions: [".tsx", ".ts", ".js"]
  }
  ,
  plugins: debug ? [] : [
    //remove duplicate codes
    // new webpack.optimize.DedupePlugin(),
    new webpack.optimize.OccurrenceOrderPlugin(),
    //uglify
    // new webpack.optimize.UglifyJsPlugin({ mangle: false, sourcemap: false }),
  ],
};