fesm5::core.js::System.import() is deprecated and will be removed soon. Use import() instead. #12

Author: athlonUA

project/application/webpack.server.config.js

@@ -13,7 +13,15 @@ module.exports = {
         filename: '[name].js',
     },
     module: {
-        rules: [{ test: /\.ts$/, loader: 'ts-loader' }],
+        rules: [
+            { test: /\.ts$/, loader: 'ts-loader' },
+            {
+                // Mark files inside `@angular/core` as using SystemJS style dynamic imports.
+                // Removing this will cause deprecation warnings to appear.
+                test: /[\/\\]@angular[\/\\]core[\/\\].+\.js$/,
+                parser: { system: true },
+            },
+        ],
     },
     plugins: [
         // Temporary Fix for issue: https://github.com/angular/angular/issues/11580
@@ -25,7 +33,4 @@ module.exports = {
         ),
         new webpack.ContextReplacementPlugin(/(.+)?express(\\|\/)(.+)?/, path.join(__dirname, 'src'), {}),
     ],
-    stats: {
-        warningsFilter: /System.import/,
-    },
 };