react warning cannot set state when using promises

Question

I\'m trying to query the server to get list of nav items so I can build my menu on init. I\'ve so far managed to create a static page with 3 contents on the home page, which

Answer 1

I would move the logic of your get request into componentWillMount. The React error is telling you that the promise can only be called in a "Mounting component". Then you can call setState. Then in your render you can conditionally render based on the state variable.

{this.state.navList.length &&
         

            

            
            
        
}

You can also render a different loading component while you wait for the data to return.