Function _setupAdvanceOnHandler

shepherd.js/src/utils/bind.ts:10–23

* Sets up the handler to determine if we should advance the tour * @param step The step instance * @param selector * @private

(step: Step, selector?: string)

 * @private
 */
function _setupAdvanceOnHandler(step: Step, selector?: string) {
  return (event: Event) => {
    if (step.isOpen()) {
      const targetIsEl = step.el && event.currentTarget === step.el;
      const targetIsSelector =
        !isUndefined(selector) &&
        (event.currentTarget as HTMLElement).matches(selector);

      if (targetIsSelector || targetIsEl) {
        step.tour.next();
      }
    }
  };
}

/**
 * Bind the event handler for advanceOn