Javascript 节点和网页包不工作的Firebase-无法读取属性'；导航器&x27；未定义的

我得到以下错误：

/Users/.../express/server/bundle.js:296
        License: https://www.firebase.com/terms/terms-of-service.html */(function(){var h,n=this;function p(a){return void 0!==a;}function aa(){}function ba(a){a.wb=function(){return a.wf?a.wf:a.wf=new a();};}function ca(a){var b=typeof a==="undefined"?"undefined":_typeof(a);if("object"==b){if(a){if(a instanceof Array)return "array";if(a instanceof Object)return b;var c=Object.prototype.toString.call(a);if("[object Window]"==c)return "object";if("[object Array]"==c||"number"==typeof a.length&&"undefined"!=typeof a.splice&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("splice"))return "array";if("[object Function]"==c||"undefined"!=typeof a.call&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("call"))return "function";}else return "null";}else if("function"==b&&"undefined"==typeof a.call)return "object";return b;}function da(a){return "array"==ca(a);}function ea(a){var b=ca(a);r

TypeError: Cannot read property 'navigator' of undefined
    at /Users/.../server/bundle.js:296:4904
    at Object.<anonymous> (/Users/.../server/bundle.js:296:143270)
    at __webpack_require__ (/Users/.../server/bundle.js:20:30)
    at Object._typeof (/Users/.../server/bundle.js:239:18)
    at __webpack_require__ (/Users/.../server/bundle.js:20:30)
    at Object.i (/Users/.../server/bundle.js:52:14)
    at __webpack_require__ (/Users/.../server/bundle.js:20:30)
    at /Users/.../server/bundle.js:40:18
    at Object.<anonymous> (/Users/.../server/bundle.js:43:10)
    at Module._compile (module.js:435:26)

---

当我运行“node app.js”时，会打印出此错误。我正在尝试使用Node和Express for Rest API运行此代码，因此在Node.js中加载，而不是在浏览器中加载。

您遇到的问题是，默认情况下，webpack将使用Firebase package.json中指定的Firebase的“浏览器”版本，而不是“主”版本（Node.js的版本）。“浏览器”版本不起作用

根据，您可能可以使用以下内容覆盖其排序：

"resolve": {
    "packageMains": [ "main", "webpack", "browser", "web", "browserify", ["jam", "main"]]
}

（这是未经测试的；我只是采用默认值并首先移动了“main”）

"resolve": {
    "packageMains": [ "main", "webpack", "browser", "web", "browserify", ["jam", "main"]]
}