defaultKeyIdExtractor

Content

Used to provide string value of id from items as key for the keyExtractor property of FlatList or SectionList.

Used as default property in FlatListWrapper and SectionListWrapper:

FlatListWrapper.defaultProps = {
    keyExtractor: defaultKeyIdExtractor,
};

SectionListWrapper.defaultProps = {
    keyExtractor: defaultKeyIdExtractor,
};

Params

Name	Type	Required	Default value	Description
item	T extends {id: string or number}	-	-	Item which has id and will be used as key