account for webpack 4 differences

Author: Steve Higgs

README.md

@@ -50,7 +50,7 @@ given a `tsconfig.json` in the project root folder that contains:
 {
   "compilerOptions": {
     "target": "es5",
-    "module": "es6",
+    "module": "commonjs",
     "sourceMap": true
   }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gulp-webpack-typescript-pipeline",
-  "version": "10.0.0",
+  "version": "10.0.3",
   "description": "easy transpiling and bundling of typescript back to es5",
   "main": "index.js",
   "engines": {

webpack.config.js

@@ -69,7 +69,7 @@ module.exports = (options) => {
       filename: '[name].js'
     },
     module: {
-      loaders: [
+      rules: [
         {
           test: /\.ts(x?)$/,
           exclude: /node_modules/,

webpack.config.release.js

@@ -3,7 +3,7 @@ const path = require('path');
 const commonConfig = require('./webpack.config');
 
 module.exports = (options) => {
-  const releaseConfig = Object.create(commonConfig(options));
+  const releaseConfig = Object.assign({}, commonConfig(options));
   releaseConfig.devtool = 'sourcemap';
   releaseConfig.mode = 'production';