diff --git a/lib/commands/new/new-application.json b/lib/commands/new/new-application.json
index 10878f97a..c463754a2 100644
--- a/lib/commands/new/new-application.json
+++ b/lib/commands/new/new-application.json
@@ -201,7 +201,7 @@
           "options": {
             "server": "dev",
             "extractCss": "prod",
-            "coverage": "dev"
+            "coverage": false
           }
         },
         "unitTestRunner": [{
diff --git a/lib/resources/content/tsconfig.template.json b/lib/resources/content/tsconfig.template.json
index c97525536..6e191c7d5 100644
--- a/lib/resources/content/tsconfig.template.json
+++ b/lib/resources/content/tsconfig.template.json
@@ -1,6 +1,7 @@
 {
   "compileOnSave": false,
   "compilerOptions": {
+    // @if bundler.id='cli'
     "sourceMap": true,
     "target": "es5",
     "module": "amd",
@@ -11,8 +12,22 @@
     "experimentalDecorators": true,
     "allowJs": true,
     "moduleResolution": "node",
-    "lib": ["es2017", "dom"],
-    "skipLibCheck": true
+    "lib": ["es2017", "dom"]
+    // @endif
+    // @if bundler.id='webpack'
+    "target": "es5",
+    "module": "esnext",
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "moduleResolution": "node",
+    "sourceRoot": "src",
+    "allowJs": true,
+    "baseUrl": "src",
+    "skipLibCheck": true,
+    "lib": [
+      "es2017", "dom"
+    ]
+    // @endif
   },
   "exclude": [
     "node_modules",
diff --git a/lib/resources/content/webpack.config.template.js b/lib/resources/content/webpack.config.template.js
index 3c249431b..c213c6f1d 100644
--- a/lib/resources/content/webpack.config.template.js
+++ b/lib/resources/content/webpack.config.template.js
@@ -57,6 +57,7 @@ module.exports = ({production, server, extractCss, coverage} = {}) => ({
     // serve index.html for all 404 (required for push-state)
     historyApiFallback: true
   },
+  devtool: production ? 'nosources-source-map' : 'cheap-module-eval-source-map',
   module: {
     rules: [
       // CSS required in JS/TS files should use the style-loader that auto-injects it into the website