Question

所以我在更新之前更新了nodejs。角度2没有得到错误，它工作正常，但现在更新node_modules它停止工作，我不知道错误将在哪里或如何解决它。

(index):29 Error: (SystemJS) Unexpected token <
    SyntaxError: Unexpected token <
        at eval (<anonymous>)
        at Object.eval (http://localhost:3000/app/services/authentication.service.js:15:22)
        at eval (http://localhost:3000/app/services/authentication.service.js:70:4)
        at eval (http://localhost:3000/app/services/authentication.service.js:71:3)
    Evaluating http://localhost:3000/node_modules/angular2-jwt/angular2-jwt.js
    Evaluating http://localhost:3000/app/services/authentication.service.js
    Evaluating http://localhost:3000/app/profile/profile.component.js
    Evaluating http://localhost:3000/app/app.module.js
    Evaluating http://localhost:3000/app/main.js
    Error loading http://localhost:3000/app/main.js
        at eval (<anonymous>)
        at Object.eval (http://localhost:3000/app/services/authentication.service.js:15:22)
        at eval (http://localhost:3000/app/services/authentication.service.js:70:4)
        at eval (http://localhost:3000/app/services/authentication.service.js:71:3)
    Evaluating http://localhost:3000/node_modules/angular2-jwt/angular2-jwt.js
    Evaluating http://localhost:3000/app/services/authentication.service.js
    Evaluating http://localhost:3000/app/profile/profile.component.js
    Evaluating http://localhost:3000/app/app.module.js
    Evaluating http://localhost:3000/app/main.js
    Error loading http://localhost:3000/app/main.js

systemjs.config.js

(function (global) {
  System.config({
    paths: {
      // paths serve as alias
      'npm:': 'node_modules/'
    },
    // map tells the System loader where to look for things
    map: {
      // our app is within the app folder
      app: 'app',
      // angular bundles
      '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
      '@angular/common': 'npm:@angular/common/bundles/common.umd.js',
      '@angular/compiler': 'npm:@angular/compiler/bundles/compiler.umd.js',
      '@angular/platform-browser': 'npm:@angular/platform-browser/bundles/platform-browser.umd.js',
      '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/bundles/platform-browser-dynamic.umd.js',
      '@angular/http': 'npm:@angular/http/bundles/http.umd.js',
      '@angular/router': 'npm:@angular/router/bundles/router.umd.js',
      '@angular/forms': 'npm:@angular/forms/bundles/forms.umd.js',
      // other libraries
      'rxjs':                      'npm:rxjs',
        'angular2-jwt': 'node_modules/angular2-jwt/angular2-jwt.js',
      'angular-in-memory-web-api': 'npm:angular-in-memory-web-api',
    },
    // packages tells the System loader how to load when no filename and/or no extension
    packages: {
      app: {
        main: './main.js',
        defaultExtension: 'js'
      },
      rxjs: {
        defaultExtension: 'js'
      },
      'angular-in-memory-web-api': {
        main: './index.js',
        defaultExtension: 'js'
      }
    }
  });
})(this);

的index.html

<html>
  <head>
    <title>Vietnam Films</title>
    <base href="/">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="node_modules/bootstrap/dist/css/bootstrap.css">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css">
    <link rel="stylesheet" href="assets/ecommerce.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/jquery/dist/jquery.min.js"></script>
    <script src="node_modules/tether/dist/js/tether.min.js"></script>
    <script src="node_modules/bootstrap/dist/js/bootstrap.js"></script>
    <script src="https://www.paypalobjects.com/api/checkout.js"></script>



    <!-- 2. Configure SystemJS -->
    <script src="systemjs.config.js"></script>
    <script>
      System.import('app').catch(function(err){ console.error(err);  });
    </script>
    <script src="//cdn.auth0.com/js/lock-9.0.min.js"></script>
  </head>

  <!-- 3. Display the application -->
  <body>
    <my-app></my-app>



    <div class="loading">
      <h1>Loading...</h1>
    </div>


  </body>
</html>

tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
    "sourceMap": true
  },
  "exclude": [
    "node_modules"
  ]
}

Answer 1

开发工具是你的朋友。访问该页面时打开Chrome开发工具并检查网络选项卡。看看个别请求。我猜测http://localhost:3000/app/services/authentication.service.js请求不会返回您希望的javascript，而是返回HTML错误页面。看看那个错误是什么，你会找到罪魁祸首。很可能它根本就没有找到文件（HTTP 404），但最好检查错误。

如果是404，请确保authentication.service.js正确地位于您要提供的app / services目录中。

角度2意外的令牌错误

1 个答案: