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 add() {

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

    if(dayExists) {
        alert("Este dia já foi adicionado 🔴")
        return
    }
    alert('Adicionado com sucesso ✅')
    nlwSetup.addDay(today)
}

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

}

const data = JSON.parse(localStorage.getItem('NLWSetup@habits')) || {}
nlwSetup.setData(data)
nlwSetup.load()