This provides enhanced chunk support to mrbuilder.

| Property | Type | Default | Description | | ------------- | -----------| -------------| ---------------------------------| | filename | string | [name].[hash].js| The chunk filename | | manifest | string | manifest | The 'manifest' chunk | | excludes | arrayOf string | modules to exclude from chunks | | crossOriginLoading| | | Configure cross origin loading | | cacheGroups | object | default group| The default chunkGroup | | styles | string | styles | The default chunk for css | | splitChunks | object | {} | the default splitChunks config |

The default splitChunks looks as follows

{
  "chunks": "all",
  "minSize": 0,
  "maxAsyncRequests": null,
  "maxInitialRequests": null,
  "name": true
}

The default cacheGroups looks as follows

 {
   "default": {
     "chunks": "async",
     "minSize": 30000,
     "minChunks": 2,
     "maxAsyncRequests": 5,
     "maxInitialRequests": 3,
     "priority": -20,
     "reuseExistingChunk": true
   }
 }