Javascript Angular2未能更新到RC7-zone.js&;反映元数据
我正在尝试让我的应用程序使用angular的新RC7运行,但我似乎无法完成它,因为控制台会大喊:Javascript Angular2未能更新到RC7-zone.js&;反映元数据,javascript,angular,zonejs,reflect-metadata,Javascript,Angular,Zonejs,Reflect Metadata,我正在尝试让我的应用程序使用angular的新RC7运行,但我似乎无法完成它,因为控制台会大喊: Promise rejection: Zone.assertZonePatched is not a function angular2-polyfills.js:489 当这个不知何故消失时,会弹出: Reflect.getMetadata is not a function (..) core.umd.js:472 看起
Promise rejection: Zone.assertZonePatched is not a function angular2-polyfills.js:489
当这个不知何故消失时,会弹出:
Reflect.getMetadata is not a function (..) core.umd.js:472
看起来实现已更改,而我的没有更新,尽管我npm install
从头开始安装了所有内容,请按如下方式更新我的package.json
:
{
"name": "angular2-quickstart",
"version": "1.0.0",
"scripts": {
"build": "webpack",
"start": "webpack-dev-server",
"typings": "typings",
"postinstall": "typings install"
},
"license": "ISC",
"dependencies": {
"@angular/common": "2.0.0-rc.7",
"@angular/compiler": "2.0.0-rc.7",
"@angular/core": "2.0.0-rc.7",
"@angular/forms": "2.0.0-rc.7",
"@angular/http": "2.0.0-rc.7",
"@angular/platform-browser": "2.0.0-rc.7",
"@angular/platform-browser-dynamic": "2.0.0-rc.7",
"@angular/router": "3.0.0-rc.3",
"@angular/upgrade": "2.0.0-rc.7",
"core-js": "^2.4.1",
"reflect-metadata": "^0.1.3",
"rxjs": "5.0.0-beta.12",
"zone.js": "^0.6.21",
"angular2-in-memory-web-api": "0.0.19",
"@ng-bootstrap/ng-bootstrap": "^1.0.0-alpha.3",
"angular2": "2.0.0-beta.17",
"angular2-apollo": "^0.4.6",
"apollo-client": "^0.4.13",
"es6-promise": "^3.0.2",
"es6-shim": "^0.35.1",
"moment": "^2.14.1",
"source-map-loader": "^0.1.5"
},
"devDependencies": {
"ts-loader": "^0.8.2"
}
}
index.html:(我也尝试过为包引用,没有成功)
我的应用程序
加载。。。
你知道怎么解决这个问题吗
提前感谢!:) 注释:
- 根据package.json,您使用的是Angular2.0.0您不需要Angular2 polyfills.js
- 从package.json中删除“angular2”:“2.0.0-beta.17”
- 从index.html中删除angular2 polyfills.js
事实上,如果在节点模块下有angular2文件夹,则删除该文件夹。最新的angular2软件包将在您的
软件包下的@angular文件夹中提供。json
属于angular2.0
版本。@micronyks您的意思是什么?如果您正在寻找RC7软件包,您正在安装angular2.0(最新版本的软件包),请参阅-我展示的RC7软件包中有systemjs而不是webpack。@micronyks嘿,更新了我的package.json,这仍然会产生相同的错误,有什么想法吗?@micronyks解决了,请看下面的答案您基本上是说我应该从我的package.json
中删除angular2的依赖项,然后重新执行npm I
?(更新了我的package.json
与-rc.7的依赖关系)并且angular2包似乎不存在于节点模块下的@angular中:|清理节点模块文件夹,然后运行npm安装
它将在节点模块下的@angular中为您提供包。一旦您获得最新的包,从index.html
中删除angular2 polyfills.js
,然后运行应用程序。@sanket这对我不起作用。我已经在使用angular 2.0.0,我的package.json和index.html中没有使用任何polyfills.js。因此,我不确定为什么仍然出现“Reflect.getMetadata不是函数”错误。
<html>
<head>
<title>My App</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.3/css/bootstrap.min.css"
integrity="sha384-MIwDKRSSImVFAZCVLtU0LMDdON6KVCrZHyVQQj6e8wIEJkW4tvwqXrbMIya1vriY" crossorigin="anonymous">
<link rel="stylesheet" href="style.css">
<!-- 1. Load libraries -->
<!-- IE required polyfills, in this exact order -->
<script src="node_modules/es6-shim/es6-shim.min.js"></script>
<script src="https://www.atlasestateagents.co.uk/javascript/tether.min.js"></script>
<script src="https://code.jquery.com/jquery-3.1.0.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.3/js/bootstrap.min.js"
integrity="sha384-ux8v3A6CPtOTqOzMKiuo3d/DomGaaClxFYdCu2HPMBEkf6x2xiDyJ7gkXU0MWwaD" crossorigin="anonymous"></script>
<script src="node_modules/core-js/client/shim.min.js"></script>
<script src="node_modules/zone.js/dist/zone.js"></script>
<script src="node_modules/reflect-metadata/Reflect.js"></script>
</head>
<!-- 3. Display the application -->
<body>
<my-app>Loading...</my-app>
</body>
<script src="node_modules/angular2/bundles/angular2-polyfills.js"></script>
<script src="dist/bundle.js"></script>
</html>
<script src="node_modules/angular2/bundles/angular2-polyfills.js"></script>