Its a problem in Safari:

  Cannot load script https://cdn.jsdelivr.net/npm/hls.js@1. Failed integrity metadata check. 
  Content length: 541267, Expected content length: -1, 
  Expected metadata: sha256-bvkMZs/n+vJkxBhyXuvSTSX/mCVfwIkZ2dWpy2IdpPA=

Looks like its blowing up on main.js:106

  ...
  if (isSafariOrIphone && Hls.isSupported()) {
  ...