Try to enable sourceMaps

Author: olegstepura

postcss.config.js

@@ -1,36 +1,21 @@
 module.exports = context => ({
-  map: {
-    sourcesContent: false,
-    inline: false
-  },
+  map: true,
   plugins: {
     'postcss-import': {
       path: [
         'node_modules',
         'src/main/react', // allows importing modules using absolute path, @see https://goo.gl/luH0Xa
       ],
-      map: {
-        sourcesContent: false,
-        inline: false
-      },
+      map: true,
     },
     'postcss-mixins': {
-      map: {
-        sourcesContent: false,
-        inline: false
-      },
+      map: true,
     },
     'postcss-each': {
-      map: {
-        sourcesContent: false,
-        inline: false
-      },
+      map: true,
     },
     'postcss-cssnext': {
-      map: {
-        sourcesContent: false,
-        inline: false
-      },
+      map: true,
       features: {
         customProperties: {
           variables: {

webpack.config.js

@@ -68,22 +68,22 @@ const settings = {
           {
             loader: 'style-loader',
             options: {
-              sourceMap: false
+              sourceMap: true
             }
           },
           {
             loader: 'css-loader',
             options: {
               modules: true,
-              sourceMap: false,
+              sourceMap: true,
               importLoaders: 1,
               localIdentName: dev('[name]--[local]--[hash:base64:5]').prod('[hash:base64]')
             }
           },
           {
             loader: 'postcss-loader',
             options: {
-              sourceMap: false
+              sourceMap: true
             }
           } // has separate PostCSS config nearby
         ]