What do parenthesis surrounding brackets in the return statement of an ES6 arrow function do?

Question

For example in redux actions, I\'ve seen in someone\'s code:

export const updateMessage = text => {
   return (dispatch) => {
     dispatch(updateChatMess         


        

Answer 1

In the first example, the {} are used to identify multiple lines of code, which is why the return is required in order to obtain something other than undefined.

In the second example, the {} are used to create an object.