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Merge pull request #494 from billychan/add-doc-independent-usage

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add doc for use serailizer independently
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Santiago Pastorino 2014-02-04 12:37:03 -08:00
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README.md
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@ -156,6 +156,20 @@ To specify a custom serializer for the items within an array:
render json: @posts, each_serializer: FancyPostSerializer
```
## Render independently
By default the setting of serializer is in controller as described above which is the
recommeneded way. However, there may be cases you need to render the json object elsewhere
say in a helper or a view when controller is only for main object.
Then you can render the serialized JSON independently.
```ruby
def current_user_as_json_helper
CurrentUserSerializer.new(current_user).to_json
end
```
## Disabling the root element
You have 4 options to disable the root element, each with a slightly different scope: