app.js

// init github
const github = new Github;
// init UI
const ui = new UI;

// Search input
const searchUser = document.getElementById('searchUser');

// Search input event listener
searchUser.addEventListener('keyup', e => {
    // get input text
    const userText = e.target.value;

    if (userText !== '') {
        //console.log(userText);

        // make http call
        github.getUser(userText)
            .then(data => {
                //console.log(data);
                if (data.profile.message === 'Not Found') {
                    // show alert
                    ui.showAlert('User not found', 'alert alert-danger');
                } else {
                    // show profile
                    ui.showProfile(data.profile);
                    ui.showRepos(data.repos);
                }
            })
    } else {
        // clear profile
        ui.clearProfile();
    }
});