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an implementation of the require() JavaScript function used for module loading

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Octocat-spinner-32 lib
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Octocat-spinner-32 amd-loader-for-node.js
Octocat-spinner-32 modjewel-require.js
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README.md

modjewel

Summary

The modjewel-require.js file provides require() and define() functions for use with CommonJS modules, designed for use in web browsers. The define() function is as specified in Asynchronous Module Definition (AMD).

Note that dynamic loading is not supported; see the note on define() below.

Supported Interfaces

CommonJS Modules 1.1

see: http://wiki.commonjs.org/wiki/Modules/1.1

Runs tests from the commonjs project. Use the test/run-tests.sh file to run the tests. The tests will run in both the browser and command-line via Rhino.

Unit Testing 1.0

see http://wiki.commonjs.org/wiki/Unit_Testing/1.0

Note that one test failure is occurring with the assert tests. Looks like a bogus test to me.

System 1.0

see http://wiki.commonjs.org/wiki/System/1.0

This module is not really supported, but a system module is supplied with a print method which will work in the browser and Rhino.

Extensions

define()

This function allows you to "preload" a module. In fact, this is the only way to load modules - modules are never loaded dynamically.

The object passed to this function is described in Asynchronous Module Definition.

The "modjewel" module

Using modjewel, you will have a free module available for you to require(), with the module id "modjewel". This module exports the following properties and functions:

VERSION

Returns the current version of modjewel.

getLoadedModuleIds()

Returns an array of strings which are the module ids which have currently been loaded.

getPreloadedModuleIds()

Returns an array of strings which are the module ids which have currently been preloaded with the require.define() function.

getModule(moduleId)

Returns the module with the specified moduleId. Use null to get the primordial main module.

getModuleIdsRequired(moduleId)

Returns the module ids that the specified module require()'d.

warnOnRecursiveRequire([value])

Issue a warning if a module is being recursively required. That is, in the process of the module being loaded, if it requires a module that in turn ends up requiring itself, a console message is generated indicating this.

In general, you don't need to worry about this. You do need to worry about this if you make use of the module.exports = trick of changing your module's exports value. In this case, your new exports object may not be set before another module needs it. Using this flag will warn you of such cases. You may need to restructure your modules, or change the order in which you set the exports object and make require() calls.

Note that modjewel itself supports the module.exports = trick to reassign a module's export value. This is useful if you'd like to export a single function or class from your module, so that clients of the module don't need to further derference the exports object to get at your goodies.

Utilities

module2amd.py

Convert CommonJS modules to AMD format. It can also generate a HTML test driver to test the modules in a browser. It generates files named (original base name).amd.js from files named (original base name).js.

The generated files have code prefixing and suffixing the original file contents with a define() invocation. The contents of the file are otherwise unchanged, and the line numbers for the content will be the same in both files.

Contact

Use the modjewel project at github for communication.

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