Renamed map and mapper properties to __map and __mapper, to avoid conflicts with graphql schemas containing those properties #13369
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… problem with Graphql schemas having those properties breaking the simulator.
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Description of changes
This PR addresses the issue reported in aws-amplify/amplify-category-api#1676, where any valid Graphql schema containing a property called either
mapormapperwill crash without error in the appsync simulator.Issue #, if available
aws-amplify/amplify-category-api#1676
Description of how you validated changes
The problem is that the velocity implementation stores the graphql data in an object that also has private objects called generic names. The fix is to name them with a double-underscore to indicate they are not part of userland payloads.
Testing
I have run the current test suite, but have not written a new test for this change.
I have also been using this locally on a production schema for a few months and it's working as intended. In fact, I rely upon it :-)
Checklist
yarn testpassesBy submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.