React native- Best way to create singleton pattern

Question

I am new in react-native coding but have experienced on objective-c and swift coding and want use singleton pattern in react-native. I have tried to find out the solution fr

Answer 1

Here's my implementation for singleton class...

Controller.js

export default class Controller {
    static instance = Controller.instance || new Controller()

    helloWorld() {
        console.log("Hello World... \(^_^)/ !!")
    }
}

Usage:

import Controller from 'Controller.js'

Controller.instance.helloWorld()