adspot js pre-coffee conversion

ad_spots.js

$(function() {
  var $podcast_url, $preview_ele, createMediaElement, showError;
  $preview_ele = $('[data-id="preview"]');
  $podcast_url = $('[data-id="podcast_url"]');

  /**
  * Creates the mediaelement object
  * @param {Boolean} silent Whether to auto play when mediaelement is created
   */
  createMediaElement = function(silent) {
    var mediaElement;
    mediaElement = new MediaElementPlayer('#audio_element', {
      alwaysShowControls: true,
      features: ['playpause', 'progress', 'current', 'duration'],
      audioWidth: 286,
      success: function(mediaElement, domNode) {
        if (!silent) {
          mediaElement.play();
        }
      },
      error: showError
    });
  };
  showError = function() {
    var $ele;
    $ele = $('<div>').append('Unable to find a downloadable MP3 at this URL').css({
      'font-size': '0.5em',
      'font-weight': 'normal'
    });
    $preview_ele.html($ele);
  };
  $podcast_url.on('blur', function() {
    var path, tag;
    $preview_ele.empty();
    path = $(this).val();
    if (!path.trim()) {
      return false;
    }
    if (!path.match(/http/)) {
      showError();
      return false;
    }
    tag = '<audio id="audio_element" src="' + path + '" controls="controls"></audio>';
    $preview_ele.html(tag);
    createMediaElement(false);
  });
  $podcast_url.on('focus', function() {
    $preview_ele.empty();
  });
});