app.js

const github = new GitHub();
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 !== '') {
    // Make http call
    github.getUser(userText)
      .then(data =>  {
        if(data.profile.message == 'Not Found' ) {
          // Show alert
          ui.showAlert('User not found.', 'alert alert-danger');
        } else {
          // Show the profile
          ui.showProfile(data.profile);
          ui.showRepos(data.repos);
        }
      })
  } else {
    // Clear profile
    ui.clearProfile();
  }
});