sharing AMD modules between multiple files

As of now, I am in the process of constructing the Ember.SimpleAuth library - a tool designed for facilitating authentication and authorization within Ember.js applications (https://github.com/simplabs/ember-simple-auth/tree/sub-packages). This library provides features for verifying the user of an Ember.js application. The authentication process can be carried out using various strategies such as logging in with credentials or through platforms like Facebook. My current goal is to break down the library structure so that users are required to incorporate the base library along with specific strategy libraries into their apps. For example:

<script src="../tmp/ember-simple-auth.js"></script>
<script src="../tmp/ember-simple-auth-oauth.js"></script>

To create this library, I am utilizing an ES6 module transpiler that converts my source code into AMD format. Subsequently, a loader is used to generate versions compatible with web browsers: https://github.com/simplabs/ember-simple-auth/blob/sub-packages/vendor/loader.js.

An issue arises when the strategy libraries rely on components from the base library. Since both files have separate module loaders with distinct module registries, one file cannot access the modules defined in the other. Currently, I am establishing a globally accessible module registry within the loader:

global.__ember_simple_auth_registry__ = global.__ember_simple_auth_registry__ || {};
var registry = global.__ember_simple_auth_registry__, seen = {};

This method ensures that all modules defined by Ember.SimpleAuth are universally available. Nevertheless, this approach may not be ideal. Is there a more effective solution to this challenge? Or could it be that there is a fundamental flaw in my overall implementation?

Answer №1

After extensive research, I have discovered a resolution to the issue at hand. It appears that the problem primarily arises in browserified versions of libraries, where each library is compiled into its own file with an individual loader. In contrast, when employing "real" AMD where all utilized files are registered under the same loader, the problem ceases to persist. This is due to the fact that all files have visibility to the registered exports and can readily require one another as needed.

define('ember-simple-auth/stores/base',  ['exports'], function(__exports__) {
  __exports__.Base = global.Ember.SimpleAuth.Stores.Base;
});

By transitioning the extension libraries to use conventional AMD requires and updating only the browserified versions to incorporate "fake" AMD definitions for reliant components, such as depicted above, I am able to seamlessly employ clean AMD requires while ensuring compatibility with the browserified versions. I believe this solution strikes a balance between effectiveness and elegance, but I welcome any feedback or suggestions!

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