build(webpack): fail on filtered warnings for build prod

Signed-off-by: David Wallace <[email protected]>

webpack.config.js

@@ -55,6 +55,11 @@ const baseConfig = {
   output: {
     filename: 'js/[name].js'
   },
+  stats: {
+    warnings: true,        // Show warnings
+    errors: true,          // Show errors
+    errorDetails: true     // Include stack traces and details
+  },
   plugins: [
     new MiniCssExtractPlugin({
       filename: 'css/[name].css',
@@ -103,7 +108,11 @@ const developmentConfig = {
     new webpack.DefinePlugin({
       'process.env.NODE_ENV': JSON.stringify('development')
     })
-  ]
+  ],
+  performance: {
+    hints: 'warning' // Show performance warnings in development
+  },
+  ignoreWarnings: [] // No warnings are ignored in development
 }
 
 // special config for production
@@ -113,10 +122,19 @@ const productionConfig = {
       'process.env.NODE_ENV': JSON.stringify('production')
     })
   ],
-  optimization: {
+   optimization: {
     minimize: true,
-    minimizer: [new TerserPlugin()]
-  }
+    minimizer: [new TerserPlugin()],
+    emitOnErrors: true // Fail build on errors
+  },
+  performance: {
+    hints: false // Suppress performance warnings in production
+  },
+  ignoreWarnings: [ // Suppress several warnings
+    { message: /performance recommendations/ },
+    { message: /asset size limit/ },
+    { message: /entrypoint size limit/ }
+  ]
 }
 
 // combine config depending on the provided --mode command line option