Getting “Cannot call a class as a function” in my React Project

Question

I\'m trying to add a React map component to my project but run into an error. I\'m using Fullstack React\'s blog post as a reference. I tracked down where the error gets thr

Answer 1

I have also run into this, it is possible you have a javascript error inside of your react component. Make sure if you are using a dependency you are using the new operator on the class to instantiate the new instance. Error will throw if

this.classInstance = Class({})

instead use

this.classInstance = new Class({})

you will see in the error chain in the browser

at ReactCompositeComponentWrapper._constructComponentWithoutOwner

that is the giveaway I believe.