added source-map-loader

Author: Place1

Diff for: packages/react-scripts/config/webpack.config.dev.js

@@ -132,6 +132,12 @@ module.exports = {
         enforce: 'pre',
         include: paths.appSrc,
       },
+      {
+        test: /\.js$/,
+        loader: require.resolve('source-map-loader'),
+        enforce: 'pre',
+        include: paths.appSrc,
+      },
       // ** ADDING/UPDATING LOADERS **
       // The "file" loader handles all assets unless explicitly excluded.
       // The `exclude` list *must* be updated with every change to loader extensions.

Diff for: packages/react-scripts/config/webpack.config.prod.js

@@ -130,6 +130,12 @@ module.exports = {
         enforce: 'pre',
         include: paths.appSrc,
       },
+      {
+        test: /\.js$/,
+        loader: require.resolve('source-map-loader'),
+        enforce: 'pre',
+        include: paths.appSrc,
+      },
       // ** ADDING/UPDATING LOADERS **
       // The "file" loader handles all assets unless explicitly excluded.
       // The `exclude` list *must* be updated with every change to loader extensions.

Diff for: packages/react-scripts/package.json

@@ -47,6 +47,7 @@
     "tslint-loader": "^3.3.0",
     "tslint-react": "^2.0.0",
     "typescript": "^2.3.2",
+    "source-map-loader": "^0.2.1",
     "sw-precache-webpack-plugin": "0.9.1",
     "url-loader": "0.5.8",
     "webpack": "2.5.1",