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JavaScript Building Applications with React and Redux Putting it all Together Connecting the Scoreboard Container to Redux

Posted by Mrwan Grada
Mrwan Grada
753 Points

what kinda function is this : const MapStateToProps = state => ()

what kinda function is this : const MapStateToProps = state => () why does it end with a PARENTHESIS instead of brace?

2 Answers

Takuya Hirata
Takuya Hirata
23,296 Points
Takuya Hirata
Takuya Hirata
23,296 Points

You can omit curly braces when the arrow directly points what it returns. This case an object. Now, if you omit curly braces, JavaScript interpreter gets confused because an object uses curly braces too. To avoid this, you can wrap the object by a set of parentheses.