David Aurelio 11eef69936 Force 'default' transform variant to be present
Summary: Enforces a `'default'` property to be present on the transform variant mapping. This will allow us to simplify transforms of assets and json to only provide one variant for the new Buck build system.

Reviewed By: jeanlauliac

Differential Revision: D5002052

fbshipit-source-id: 2a7240c1b2450f62de686c46ab2c2e5a75dea399
2017-05-04 08:31:10 -07:00
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2016-06-03 02:43:57 -07:00
2015-10-26 15:36:04 -07:00