challenge.js

//
// This file is loaded by every challenge's HTML, it listens to events on the
// verify button and provides the file-chooser dialog when the challenge needs.
//

var path = require('path')

var userData = require(path.normalize(path.join(__dirname, 'user-data.js')))
var selectDirBtn = document.getElementById('select-directory')
var currentChallenge = window.currentChallenge

var selectDirectory = function (path) {
  document.getElementById('path-required-warning').classList.remove('show')
  document.getElementById('directory-path').innerText = path
}
if (selectDirBtn) {
  var ipc = require('electron').ipcRenderer

  selectDirBtn.addEventListener('click', function clickedDir (event) {
    ipc.send('open-file-dialog')
  })

  ipc.on('selected-directory', function (event, path) {
    selectDirectory(path[0])
    userData.updateCurrentDirectory(path)
  })
}

var currentDirectory = userData.getSavedDir().contents.savedDir
var challengeCompleted = userData.getData().contents
if (currentChallenge === 'forks_and_clones') {
  // on this challenge clear out the saved dir because it should change
  userData.updateCurrentDirectory(null)
} else if (selectDirBtn && currentDirectory && !challengeCompleted[currentChallenge].completed) {
  selectDirectory(currentDirectory)
  selectDirBtn.innerHTML = 'CHANGE DIRECTORY'
}

// Handle verify challenge click
document.getElementById('verify-challenge').addEventListener('click', function clicked (event) {
  var verifyChallenge = require('../lib/verify/' + currentChallenge + '.js')

  // If a directory is needed
  if (selectDirBtn) {
    var path = document.getElementById('directory-path').innerText

    if (path === '') {
      document.getElementById('path-required-warning').classList.add('show')
    } else {
      document.getElementById('verify-list').innerHTML = ''
      verifyChallenge(path)
    }
  } else {
    document.getElementById('verify-list').innerHTML = ''
    verifyChallenge()
  }
})