undefined is not a function(evaluating '_iterator[typeof Symbol === "function"?Symbol.iterator:"@@iterator"]()')

st0ffern / react-native-optimized-flatlist

Optimization for complex and slow React Native FlatLists

MIT License

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undefined is not a function(evaluating '_iterator[typeof Symbol === "function"?Symbol.iterator:"@@iterator"]()') #33

Open 7elven opened 6 years ago

7elven commented 6 years ago

I found this error when replace with FlatList

<FlatList data={data} renderItem={_renderItem} onEndReached={this._onEndReached} initialNumToRender={5} keyExtractor={(item, index) => index.toString()} extraData={data} />