Switch to `nosource-source-map` for dist builds

make-webpack-config.js

@@ -137,7 +137,7 @@ module.exports = function(rules, options) {
       }
     },
 
-    devtool: specialOptions.sourcemaps ? "cheap-module-source-map" : null,
+  devtool: specialOptions.sourcemaps ? "nosource-source-map" : null,
 
     plugins,
 

webpack-dist-bundle.config.js

@@ -11,7 +11,7 @@ let rules = [
           name: "[name].js"
         }
       },
-      { loader: "babel-loader" }
+      { loader: "babel-loader?retainLines=true" }
     ]
   }
 ]

webpack-dist-standalone.config.js

@@ -11,7 +11,7 @@ let rules = [
           name: "[name].js"
         }
       },
-      { loader: "babel-loader" }
+      { loader: "babel-loader?retainLines=true" }
     ]
   }
 ]

webpack-dist.config.js

@@ -13,7 +13,7 @@ let rules = [
           name: "[name].js"
         }
       },
-      { loader: "babel-loader" }
+      { loader: "babel-loader?retainLines=true" }
     ]
   }
 ]