In AureliaSpa, use Webpack build mode to decide whether or not to enable debug logging

templates/AureliaSpa/webpack.config.js

@@ -21,6 +21,7 @@ module.exports = {
         ]
     },
     plugins: [
+        new webpack.DefinePlugin({ IS_DEV_BUILD: JSON.stringify(isDevBuild) }),
         new webpack.DllReferencePlugin({
             context: __dirname,
             manifest: require('./wwwroot/dist/vendor-manifest.json')