我正在尝试让我的应用程序与新的 RC7 of angular 一起运行，但我似乎无法完成它，因为控制台大喊:
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
看起来实现发生了变化，虽然我从头开始npm install一切都没有更新，但更新我的package.json如下:
{
"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:(我也尝试引用 unpkg.com 来获取包，但没有成功)
<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>
知道如何解决这个问题吗？
提前致谢! :)
最佳答案
注意事项:
- 根据 package.json，您使用的是 Angular2.0.0 您不需要 angular2-polyfills.js/强>
- 从 package.json 中删除 "angular2": "2.0.0-beta.17"
从 index.html
中移除 angular2-polyfills.js<script src="node_modules/angular2/bundles/angular2-polyfills.js"></script>
事实上，如果您在 node_modules 下有 angular2 文件夹，请删除该文件夹。最新的 angular2 包将在 node_modules 下的 @angular 文件夹中提供。
关于javascript - Angular2 无法更新到 RC7 - zone.js 和反射元数据，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/39549071/