Get all videos from a YouTube channel

getVideos.js

var axios = require('axios')
var Firebase = require('firebase')
var nextPageToken = ''
// Get the YT Channel Playlist ID from here:
// https://www.googleapis.com/youtube/v3/channels?part=contentDetails&forUsername={YOUTUBE_CHANNEL_NAME}&key={YOUR_API_KEY}
function saveVideoData(token) {
  var ROOT_URL = "https://www.googleapis.com/youtube/v3/playlistItems?pageToken=" + nextPageToken + "&part=snippet&playlistId=UUzQUP1qoWDoEbmsQxvdjxgQ&key={YOUR_API_KEY}&maxResults=50&?"
  axios.get(ROOT_URL)
  .then(function (response) {
     data = response.data;
    if(response.data.nextPageToken == undefined) {
       exampleRef = new Firebase("https://{your_firebase}.firebaseio.com/youtubeData/")
       exampleRef.push(data)
       console.log("All done!")
       return false
     }
     else {
       nextPageToken = response.data.nextPageToken
       console.log("nextPageToken: " + nextPageToken);
       exampleRef = new Firebase("https://{your_firebase}.firebaseio.com/youtubeData/")
       exampleRef.push(data)
       saveVideoData(nextPageToken)
      }
  })
  .catch(function (response) {
      console.log(response);
  });
}
saveVideoData(nextPageToken)