Fix resolve value for get item of AsyncStorage

RealOrangeOne / react-native-mock

A fully mocked and test-friendly version of react native (maintainers wanted)

MIT License

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Fix resolve value for get item of AsyncStorage #106

Closed jhen0409 closed 7 years ago

jhen0409 commented 7 years ago

Currently I getting undefined for AsyncStorage.getItem if no items for key, but it's expect null for React Native, If I use JSON.parse there will be different results:

// Uncaught SyntaxError: Unexpected token u in JSON at position 0
JSON.parse(undefined)
// null
JSON.parse(null)