How to fix error 'FB' is not defined no-undef on create-react-app project?

Question

I made the project using this link as my starting file.

https://github.com/facebookincubator/create-react-app

But after i tried to make Facebook login button

Answer 1

ESLint doesn't know that the variable FB is a global. You can declare a variable you referenced as a global by adding the following to the top of your file:

/*global FB*/

For more information, check out the "Rule Details" section on the official ESLint docs: http://eslint.org/docs/rules/no-undef