Function getType

m3u8/vue.js:1760–1763

* Use function string name to check built-in types, * because a simple equality check will fail when running * across different vms / iframes.

(fn)

   * across different vms / iframes.
   */
  function getType (fn) {
    var match = fn && fn.toString().match(/^\s*function (\w+)/);
    return match ? match[1] : ''
  }

  function isSameType (a, b) {
    return getType(a) === getType(b)