Generate sourcemap's

Author: diocas

rollup.config.js

@@ -197,6 +197,7 @@ export default {
   output: {
     dir: 'dist',
     format: 'amd',
+    sourcemap: true,
     chunkFileNames: path.join('js', 'chunks', production ? '[name]-[hash].js' : '[name].js'),
     entryFileNames: path.join('js', production ? '[name]-[hash].js' : '[name].js')
   },