script.js

const form = document.querySelector("#form-habits")
const nlwSetup = new NLWSetup(form)
const button = document.querySelector("header button")

button.addEventListener('click', add)
form.addEventListener('change', save)

function save(){
    localStorage.setItem("NLWSetup@habits", JSON.stringify(nlwSetup.data))
}

function add(){

    const today = new Date().toLocaleDateString('pt-br').slice(0, -5);

    const dayExists = nlwSetup.dayExists(today)
    
    if(dayExists){
        alert("Dia já incluso!")
        return
    }
    
    alert("Adicionado com Sucesso! 😎")
    nlwSetup.addDay(today)
}

const data = JSON.parse(localStorage.getItem("NLWSetup@habits")) || {}

nlwSetup.setData(data)
nlwSetup.load()