Function reject

static/vuejs/vue.common.js:3148–3153

(reason)

    };

    var reject = function (reason) {
      process.env.NODE_ENV !== 'production' && warn(
        "Failed to resolve async component: " + (String(factory)) +
        (reason ? ("\nReason: " + reason) : '')
      );
    };

    var res = factory(resolve, reject);