jguix

// From: http://www.joshmorony.com/store-camera-photos-permanently-using-phonegap-ionic-ngcordova/
$cordovaCamera.getPicture(options).then(function(imagePath){
 
  //Grab the file name of the photo in the temporary directory
  var currentName = imagePath.replace(/^.*[\\\/]/, '');
 
  //Create a new name for the photo
  var d = new Date(),
      n = d.getTime(),
      newFileName = n + ".jpg";

jguix

// A recursive function returning Promise<number>
function recurseToZero(n) {
  console.log('B. Entering recursive function for [' + n + '].');
  // Once we hit zero, bail out of the recursion. The key to recursion is that
  // it stops at some point, and the callstack can be "rolled" back up.
  if (n === 0) {
    // We could just return 0 but we do return Promise.resolve to have a consistent return type
    return Promise.resolve(0);
  }
  // Start a NEW PROMISE CHAIN that will become the continuation of the parent

jguix

// A recursive function returning Observable<number>
function recurseToZero(n) {
  console.log('B. Entering recursive function for [' + n + '].');
  // Once we hit zero, bail out of the recursion. The key to recursion is that
  // it stops at some point, and the callstack can be "rolled" back up.
  if (n === 0) {
    return Rx.Observable.of(0);
  }
  // Start a NEW PROMISE CHAIN that will become the continuation of the parent
  // promise chain. This new promise chain now becomes a completely tangential