upgrade to typescript 2.8.3 and webpack 4

Author: Steve Higgs

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 10.0.0
+
+* upgrade to typescript 2.8.3 and webpack 4
+
 ## 9.0.0
 
 * upgrade to typescript 2.6.2 as well as other deps. As we have some new rules in the default linting set we still regard this as a breaking change

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gulp-webpack-typescript-pipeline",
-  "version": "9.0.1",
+  "version": "10.0.0",
   "description": "easy transpiling and bundling of typescript back to es5",
   "main": "index.js",
   "engines": {
@@ -18,11 +18,11 @@
   "dependencies": {
     "gulp": "^3.9.1",
     "gulp-util": "^3.0.8",
-    "ts-loader": "^3.3.0",
+    "ts-loader": "^4.2.0",
     "tslint": "^5.9.1",
-    "tslint-loader": "^3.5.3",
-    "typescript": "^2.6.2",
-    "webpack": "^3.10.0",
-    "webpack-node-externals": "^1.6.0"
+    "tslint-loader": "^3.6.0",
+    "typescript": "^2.8.3",
+    "webpack": "^4.6.0",
+    "webpack-node-externals": "^1.7.2"
   }
 }

webpack.config.js

@@ -54,6 +54,7 @@ module.exports = (options) => {
 
   const config = {
     cache: true,
+    mode: 'development',
     resolve: {
       modules: [
         'node_modules',

webpack.config.release.js

@@ -5,37 +5,13 @@ const commonConfig = require('./webpack.config');
 module.exports = (options) => {
   const releaseConfig = Object.create(commonConfig(options));
   releaseConfig.devtool = 'sourcemap';
-  releaseConfig.plugins = releaseConfig.plugins.concat(
-    new webpack.DefinePlugin({
-      'process.env': {
-        'NODE_ENV': JSON.stringify('production')
-      }
-    }),
-    new webpack.LoaderOptionsPlugin({
-      minimize: true,
-      debug: false
-    }),
-    new webpack.optimize.ModuleConcatenationPlugin()
-  );
+  releaseConfig.mode = 'production';
 
-  if (!options.isNodeLibrary) {
-    releaseConfig.plugins.push(new webpack.optimize.UglifyJsPlugin({
-      compress: {
-        warnings: false,
-        screw_ie8: true,
-        conditionals: true,
-        unused: true,
-        comparisons: true,
-        sequences: true,
-        dead_code: true,
-        evaluate: true,
-        if_return: true,
-        join_vars: true,
-      },
-      output: {
-        comments: false
-      }
-    }));
+  if (options.isNodeLibrary) {
+    // dont want to minimise library code
+    releaseConfig.optimization = {
+      minimize: false
+    }
   }
 
   return releaseConfig;