Mobx State Example

BalanceState.ts

import { makeAutoObservable } from "mobx"

export class BalanceState {
    balance = 1000

    constructor() {
        makeAutoObservable(this)
    }

    add(value: number) {
        this.balance = this.balance + value
    }

    withdraw(value: number) {
        this.balance = this.balance - value
    }
}