old_contents: module.exports = {
  	get isProduction() {
  		return process.env.NODE_ENV === 'production';
  	},
  	get isDevelopment() {
  		return !this.isProduction;
  	}
  }
  
new_contents: module.exports = {
  	get isProduction() {
  		return !this.isDevelopment;
  	},
  	get isDevelopment() {
  		return process.env.NODE_ENV === 'developement';
  	}
  }
  
subject: Switch dev and production environements