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Nov 4

RequireJS/AMD Module Forms

By on November 4, 2010 12:02 am

The CommonJS AMD proposal defines an elegant, simple API for declaring modules that can be used with synchronous or asynchronous script-tag based loading in the browser. RequireJS already implements this API, and Dojo will soon have full support as well. The API for defining modules is as simple as:

define(, , );

This simple API can be used in a variety of different ways for different situations.

Sep 30

Run-Anywhere JavaScript Modules Boilerplate Code

By on September 30, 2010 4:53 am
This entry is part 8 of 12 in the series Server-Side JavaScript, Pintura, and Persevere 2.0

For developers that are creating libraries and modules, it is generally preferable to make your code available to as broad of range of users as possible. There are several different module formats in JavaScript (a module is an encapsulation of code that draws on other modules). Picking one format is often mutually exclusive to the other formats. However, in this post I want to demonstrate how you can write JavaScript modules that can be used with multiple module loaders using some simple boilerplate. Of course not all the module loaders necessarily make sense for all modules. If you are writing a module that relies on the Node file system API, it only needs it to work with the NodeJS/CommonJS module format. Likewise, a DOM-based module wouldn’t need to run on Node.

Here we’ll deal with the actual module format, the mechanism of specifying dependencies and exporting or returning functions from the module that can be used by the users. This does not deal with the normalization of the actual APIs of the underlying system, although you might want to take a look at promised-io if you would like normalization of IO interaction across the browser, Node, and Rhino/Narwhal.

Sep 15

Nodules: Better Module/Package Handling for Node.js

By on September 15, 2010 5:25 am
This entry is part 2 of 12 in the series Server-Side JavaScript, Pintura, and Persevere 2.0

Nodules is a module loader for Node that provides a powerful set of features for application development and distribution. Nodules was written to solve the two major missing pieces of functionality I needed for efficient application development: flexible dependency resolution and module reloading. Nodules runs on top of Node’s simple base module loader, and nicely compliments the base loader with additional functionality. Furthermore, it provides this functionality using idiomatic asynchronous techniques, a smart package layout, and powerful module reloading.