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Modify JavaScript files to allow importing in CommonJS applications.
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Exportify is a small utility for creating CommonJS modules from pre-existing javascript modules.

Help Text:
Usage: ./exportify [options] input_file [output_file]

  -h, --help            show this help message and exit
  -l, --list            list the objects that will be exported
  -j JSCTAGS_PATH, --jsctagspath=JSCTAGS_PATH
                        specify the location of the jsctags.js file, defaults
                        to jsctags.js and assumes it is on the path
                        provide a comma separated list of objects to export
                        and ignore jsctags

Exportify works by first generating a vim tagset using jsctags, which is essentially a list of
objects in a JavaScript file. It then pulls out only the top level objects (any object in the
file's global namespace). With this list of objects, it copies your original js file to a 
target file, and appends a list of statements to export the top level objects.

Using exportify with jsctags has 2 requirements:
	node			(
	jsctags		(

You can also use exportify without jsctags by providing a comma-separated list of object names
to export using the -o switch.


	Original JS File (mymodule-orig.js):
	var Foo = {
		bar: 'baz'

	function hello(){
		return 'Hello, world!';

	./exportify mymodule-orig.js mymodule.js
	./exportify -o Foo,hello mymodule-orig.js mymodule.js

	Target JS File (mymodule.js):
	var Foo = {
		bar: 'baz'

	function hello(){
		return 'Hello, world!';

	exports.Foo = Foo;
	exports.hello = hello;

This allows you to do the following in node:

	Node JS File (myscript.js):

	sys.puts(mymodule.hello());	// prints 'Hello, world!'

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