How to declare a global variable in React?

Question

I initialized i18n translation object once in a component ( first component that loads in the app ) . That same object is required In all other components. I do

Answer 1

Can keep global variables in webpack i.e. in webpack.config.js

externals: {
  'config': JSON.stringify(GLOBAL_VARIABLE: "global var value")
}

In js module can read like

var config = require('config')
var GLOBAL_VARIABLE = config.GLOBAL_VARIABLE

Hope this will help.