Joose (framework)

{{Short description|Open-source self-hosting metaobject system for JavaScript}}

{{ infobox software

| name = Joose

| logo = Image:JooseLogo.png

| developer = Malte Ubl

| latest release version = 2.1

| latest release date = {{release date|2009|08|02}}

| genre = Web application framework

| programming language = JavaScript

| license = New BSD License

| website = https://code.google.com/p/joose-js/

}}

Joose is an open-source self-hosting metaobject system for JavaScript with support for classes, inheritance, mixins, traits and aspect-oriented programming.

The Joose meta-object system is multi-paradigm. It supports class-based and prototype-based programming styles as well as class-based inheritance and role-based extension. While other JavaScript frameworks often specialize on DOM-access and AJAX, Joose specializes solely on bringing successful programming techniques to the JavaScript scripting language. Joose is thus often used in conjunction with another DOM/Ajax JavaScript framework and is tested with jQuery, YUI, Dojo, ExtJS, Prototype, Mootools and PureMVC.

Joose was heavily inspired by Moose, the object system for Perl 5 which was itself inspired by the Perl 6 object system, but unlike Perl and Moose, Joose doesn't support multiple inheritance.

Example

Two classes written in Joose:

Class("Point", {

has: {

x: {is: "rw"},

y: {is: "rw"}

methods: {

clear: function () {

this.setX(0);

this.setY(0);

}

});

Class("Point3D", {

isa: Point,

has: {

z: {is: "rw"}

after: {

clear: function () {

this.setZ(0);

}

});

Point3D is a subclass of Point. It has another attribute defined and additional code to run after running the superclass clear() method. The "rw" means the attribute is readable and writable with a pair of get/set accessors generated automatically.

References

[http://ajaxian.com/archives/joose-expands-with-new-orm Ajaxian]
[http://gearsblog.blogspot.com/2008/03/joosegears-adding-support-for-workers.html Google Gears blog]

External links

[http://joose.it/ Official website]
[https://code.google.com/p/joose-js/ Official Joose 2 website]
[http://groups.google.com/group/joose-js Joose Mailing List]
[http://joose-js.blogspot.com/2008/11/joose-presentation-at-barcamp-hamburg.html Presentation: Software development with JavaScript and Joose]

Category:JavaScript libraries