React - expressions must have one parent element?

Question

I\'m relatively new to React and I\'m wondering what\'s the standard here.

Imagine I have a react-router like this one:

Answer 1

Put them in an array (assign the keys also):

{ if.this.props.mail ? 
    [
        ,
        
    ]
: null }

With latest React version, you can try React.Fragment also, like this:

{ if.this.props.mail ? 
    
        ,
        
    
: null }