javascript Switch Case REGEX - Get video extension from video url and return video Type with CASE

getvideotype.js

function getType(url) {

  switch (true) {
    /* AUDIO */
    case /\.(mp4|m4p|m4v|mov)/i.test(url):
      return 'video/mp4';
      break;
    /* VIDEO */
    case /\.ogg/.test(url):
      return 'video/ogg';
      break;
    case /\.mpd/.test(url):
      return 'application/dash+xml';
      break;
    case /^rtmp:\/\//.test(url):
      return 'rtmp/mp4';
      break;
    case /\.m3u8/.test(url):
      return 'application/x-mpegurl';
      break;
    case /\.(mp4|m4p|m4v|mov)/i.test(url):
      return 'video/mp4';
      break;
    case /\.f4m/.test(url):
      return 'application/adobe-f4m';
      break;
    case /\.flv/.test(url):
      return 'video/flv';
      break;
    case /\.webm/.test(url):
      return 'video/webm';
      break;
    case /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/.test(url):
      return 'video/youtube';
      break;
    case /\.?dailymotion.com/.test(url):
      return 'video/dailymotion';
      break;
    case /\.?vimeo.com/.test(url):
      return 'video/vimeo';
      break;
    default:
      console.log('could not find link type: "' + url + '" assuming is mp4');
    return 'video/mp4';
  }
};

usewithvideojs.js

let poster;
let vidURL="https://download.blender.org/peach/trailer/trailer_400p.ogg";

LoadVideo(vidURL, poster)

function LoadVideo(vidURL, poster) {

  let type = getType(vidURL);

  console.log("Video Type: "+type);

  myPlayer.src({
    "src": vidURL,
    "type": type
  });
  if (poster)
    myPlayer.poster(poster);
  else
    myPlayer.poster("myposter.png");
  
  myPlayer.load();
  myPlayer.play();
  
  return false;
}