Error: The "require" function is not recognized in this context. (Unknown function) @ ng2-translate.ts:2

Encountering the following error:

Uncaught ReferenceError: require is not defined(anonymous function) @ ng2-translate.ts:2

The issue arises from the line where I'm importing @anguar/http

import {provide} from '@angular/core';
import {Http} from '@angular/http';

I'm puzzled as to why this error is showing up since I have included the http dependency in my project:

package.json:

  "dependencies": {
    "@angular/common": "2.0.0-rc.4",
    "@angular/compiler": "2.0.0-rc.4",
    "@angular/core": "2.0.0-rc.4",
    "@angular/http": "^2.0.0-rc.4",
    "@angular/platform-browser": "2.0.0-rc.4",
    "@angular/platform-browser-dynamic": "2.0.0-rc.4",
    "@angular/router": "3.0.0-beta.1",
    "core-js": "^2.4.0",
    "es5-shim": "^4.5.9",
    "es6-shim": "^0.35.1",
    "ng2-translate": "2.2.2",
    "reflect-metadata": "0.1.3",
    "rxjs": "5.0.0-beta.6",
    "systemjs": "^0.19.31",
    "zone.js": "^0.6.12"
  },

index.html

<!doctype html>
<html>

<head>
  <meta charset="utf-8">
  <title>Focus Anbud</title>
  <base href='/'> {{content-for 'head'}}
  <link rel="icon" type="image/x-icon" href="favicon.ico">
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <!-- Loading Spinner -->
  <link rel="stylesheet" href="assets/css/whirly.css">

  <link rel="stylesheet" href="assets/css/bootstrap.min.css">
  <link rel="stylesheet" href="assets/css/font-awesome.min.css">
  <link rel="stylesheet" href="assets/css/ionicons.min.css">

  <!-- Theme -->
  <link rel="stylesheet" href="assets/css/AdminLTE.min.css">
  <link rel="stylesheet" href="assets/css/skins/skin-blue.min.css">
  <link rel="stylesheet" href="assets/css/flag-icon.min.css">

</head>

<body class="hold-transition skin-blue sidebar-mini">
  <!--<div class="wrapper">-->
  <app>
    <div class="whirly-loader" style="margin-left: 50%; margin-top:20%">Loading...</div>
  </app>
  <!--</div>-->
  <!-- ./wrapper -->

  <!-- jQuery 2.1.4 -->
  <script src="plugins/jQuery/jQuery-2.1.4.min.js"></script>

  <!-- Bootstrap 3.3.6 -->
  <script src="assets/js/bootstrap.min.js"></script>

  <!-- AdminLTE App -->
  <script src="assets/js/app.js"></script>

  <!-- polyfills for older browsers -->
  <script src="vendor/core-js/client/shim.min.js"></script>

  <!-- default -->
  <script src="vendor/zone.js/dist/zone.min.js"></script>
  <script src="vendor/reflect-metadata/Reflect.js"></script>
  <script src="vendor/systemjs/dist/system.src.js"></script>
  <script src="vendor/ng2-translate/ng2-translate.js"></script>

  <script>
  System.baseURL = '.';
    System.import('system-config.js').then(function() {
      System.import('main');
    }).catch(console.error.bind(console));
  </script>
</body>

</html>
javascriptimporttypescriptangularrequire

Answer №1

After taking a closer look, it seems like I have identified the issue: The systemJs is being imported after your app, resulting in require() not being available when first used. To resolve this, you can simply rearrange your imports so that app.js is imported after systemjs:

<!-- default -->
<script src="vendor/zone.js/dist/zone.min.js"></script>
<script src="vendor/reflect-metadata/Reflect.js"></script>
<script src="vendor/systemjs/dist/system.src.js"></script>

<!-- AdminLTE App -->
<script src="assets/js/app.js"></script>

Furthermore, in order to use ng2-translate, don't forget to configure it in your systemJs config and remove the script tag as follows:

System.config({
    map: {
      'ng2-translate': 'node_modules/ng2-translate'
    },
});

Answer №2

Identified the issue:

The correct code should be: 

  <script src="vendor/ng2-translate/bundles/ng2-translate.js"></script>

Instead of: 

  <script src="vendor/ng2-translate/ng2-translate.js"></script>

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