如何通过system.js添加引导到Angular2

我试图通过 https://github.com/ng-bootstrap/ng-bootstrap将引导模块添加到我的ng2应用程序.
但是所有的时间得到这个错误：

这是我的索引文件,也许我的文件有一些错误？
index.html的：

<html>
<head>
    <title>MyApplication</title>
    <Meta charset="UTF-8">
    <Meta name="viewport" content="width=device-width,initial-scale=1">
    <!--<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">-->
    <link href="font-awesome/css/font-awesome.css" rel="stylesheet">
    <link rel="stylesheet" href="styles.css">
    <!-- 1. Load libraries -->
    <!-- Polyfill(s) for older browsers -->
    <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>
    <script src="node_modules/systemjs/dist/system.src.js"></script>
    <script src="node_modules/@ng-bootstrap/ng-bootstrap"></script>
    <!-- 2. Configure SystemJS -->
    <script src="systemjs.config.js"></script>
    <script>
        System.import('app').catch(function(err){ console.error(err); });
    </script>
</head>
<!-- 3. Display the application -->
<body>
    <app>Loading...</app>
</body>
</html>

完整的systemjs.config

/**
 * System configuration for Angular 2 samples
 * Adjust as necessary for your application needs.
 */
(function(global) {
    // map tells the System loader where to look for things
    var map = {
        'app':                        'app',// 'dist','@angular':                   'node_modules/@angular','angular2-in-memory-web-api': 'node_modules/angular2-in-memory-web-api','rxjs':                       'node_modules/rxjs','@ng-bootstrap':              'node_modules/ng2-bootstrap'
    };
    // packages tells the System loader how to load when no filename and/or no extension
    var packages = {
        'app':                        { main: 'main.js',defaultExtension: 'js' },'rxjs':                       { defaultExtension: 'js' },'angular2-in-memory-web-api': { main: 'index.js',};
    var ngPackageNames = [
        'common','compiler','core','forms','http','platform-browser','platform-browser-dynamic','router','router-deprecated','upgrade',];
    // Individual files (~300 requests):
    function packIndex(pkgName) {
        packages['@angular/'+pkgName] = { main: 'index.js',defaultExtension: 'js' };
    }
    // Bundled (~40 requests):
    function packUmd(pkgName) {
        packages['@angular/'+pkgName] = { main: '/bundles/' + pkgName + '.umd.js',defaultExtension: 'js' };
    }
    // Most environments should use UMD; some (Karma) need the individual index files
    var setPackageConfig = System.packageWithIndex ? packIndex : packUmd;
    // Add package entries for angular packages
    ngPackageNames.forEach(setPackageConfig);
    var config = {
        map: map,packages: packages
    };
    System.config(config);
})(this);

解决方法

我遇到过同样的问题.基本上你需要告诉你的systemjs.config在哪里可以找到ng-bootstrap的所有单个组件.

基于ulubeyn的答案,我将以下内容添加到基本的systemjs.config中：

/**
 * System configuration for Angular 2 samples
 * Adjust as necessary for your application needs.
 */
(function (global) {
  // map tells the System loader where to look for things
  var map = {
    'app': 'app','@angular': 'node_modules/@angular','rxjs': 'node_modules/rxjs','@ng-bootstrap': 'node_modules/@ng-bootstrap','@ng-bootstrap/ng-bootstrap': 'node_modules/@ng-bootstrap/ng-bootstrap'
  };
  // packages tells the System loader how to load when no filename and/or no extension
  var packages = {
    'app': {main: 'main.js',defaultExtension: 'js'},'rxjs': {defaultExtension: 'js'},'angular2-in-memory-web-api': {main: 'index.js','@ng-bootstrap/ng-bootstrap': {main: 'index.js',defaultExtension: 'js'}

  };
  var ngPackageNames = [
    'common',];

  var ngBootstrapPackageNames = [
    'accordion','alert','bundles','buttons','carousel','collapse','dropdown','esm','modal','pagination','popover','progressbar','rating','tabset','timepicker','tooltip','typeahead','util'
  ];
  // Individual files (~300 requests):
  function packIndex(pkgName) {
    packages['@angular/' + pkgName] = {main: 'index.js',defaultExtension: 'js'};
  }

  // Bundled (~40 requests):
  function packUmd(pkgName) {
    packages['@angular/' + pkgName] = {main: '/bundles/' + pkgName + '.umd.js',defaultExtension: 'js'};
  }

  function ngBootstrapPackIndex(pkgName) {
    packages['@ng-bootstrap/ng-bootstrap/' + pkgName] = {main: 'index.js',defaultExtension: 'js'};
  }

  // Most environments should use UMD; some (Karma) need the individual index files
  var setPackageConfig = System.packageWithIndex ? packIndex : packUmd;
  // Add package entries for angular packages
  ngPackageNames.forEach(setPackageConfig);
  ngBootstrapPackageNames.forEach(ngBootstrapPackIndex);

  var config = {
    map: map,packages: packages
  };
  System.config(config);
})(this);

详细：

>将’@ ng-bootstrap / ng-bootstrap’：’node_modules / @ ng-bootstrap / ng-bootstrap’添加到你的地图上.这将为您的ng-bootstrap提供一条路径.
>将’@ ng-bootstrap / ng-bootstrap’：{main：’index.js’,defaultExtension：’js’}添加到您的包中.
>添加一个提供所有ng-bootstrap组件文件夹的新数组(参见上面例子中的ngBootstrapPackageNames).
>现在通过将这些信息添加到地图中并将其与相应的索引文件相关联,将所有内容都集合到一起：

function ngBootstrapPackIndex(pkgName) {
   packages['@ng-bootstrap/ng-bootstrap/' + pkgName] = {main: 'index.js',defaultExtension: 'js'};
}
ngBootstrapPackageNames.forEach(ngBootstrapPackIndex);

我希望这有助于,因为它适用于我的这些变化.

ng-bootstrap alpha 5的更新

如果您使用alpha 5,请将包变量中的@ ng-bootstrap / ng-bootstrap映射更改为此;

var packages = {
     ...,'@ng-bootstrap/ng-bootstrap': {main: '/bundles/ng-bootstrap.js',...
}

如何通过system.js添加引导到Angular2

解决方法

猜你在找的JavaScript相关文章