Function fn

06.Router/basic/js/vue.js:7447–7452

(vm, el, host, scope, frag)

      descriptor.ref = findRef(el);
    }
    var fn = function terminalNodeLinkFn(vm, el, host, scope, frag) {
      if (descriptor.ref) {
        defineReactive((scope || vm).$refs, descriptor.ref, null);
      }
      vm._bindDir(descriptor, el, host, scope, frag);
    };
    fn.terminal = true;
    return fn;
  }