Function maybeBindToGlobal

history.js:508–516

* This method attempts to bind a function to global. * * @param {Function} [func] The function to be bound * @return {Function} Returns the bound function or func

(func)

   * @return {Function} Returns the bound function or func
   */
  function maybeBindToGlobal(func) {
    if (func && global &&
        global['EventTarget'] &&
        typeof global['EventTarget'].prototype.addEventListener === 'function' &&
        typeof func.bind === 'function') {
      return func.bind(global);
    }
    return func;
  }

  /**
   * Initializing storage for the custom state's object