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underoop.js
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underoop.js
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(function() {
var root = this;
root._sel = {};
function Class() {};
function Module() {};
_.mixin({
// check if an object is using a module
includes: function(x, module) {
return _(x.includes).indexOf(module) != -1;
},
// check if an object is a Module
isModule: function() {
return x instanceof Module;
},
// create grouping of functions. Can be used with classes
// to combine functionality.
Module: function(obj) {
obj.prototype = new Module;
obj.toString = function() {
return ["<Module: ", (obj.name || _uniqueId("UnnamedModule")), ">"].join("");
};
return obj;
},
// check if an instance derives from class
isMember: function(x, _class) {
return x instanceof _class;
},
// check if the instance has the same class
isInstance: function(x, _class) {
return x._class = _class;
},
// creates a class. does not support inheritance because inheritance
// and AJAX do not work well together. Use Modules instead.
Class: function(obj) {
obj = obj || {};
var klass = function() {
if(_.isFunction(this.initialize)) {
return this.initialize.apply(this, arguments);
} else {
return this;
}
};
var modules = obj.includes || [],
name = obj.name = (obj.name || _.uniqueId("UnnamedClass")),
methodMap = modules.map(function(x) {
x = _(x).clone(); delete x.name; delete x.toString; return x;
});
obj =_.reduce(methodMap.concat(obj), {}, function(memo, m) {
return _.extend(memo, m);
});
obj = _(obj).extend({
toString: function() {
return ["<Class: ", name, ">"].join("");
}
});
klass._name = name;
klass.prototype = new Class();
klass.prototype._class = klass;
klass.prototype._modules = klass._modules = modules;
_(obj).each(function(v, k) {
klass.prototype[k] = v;
if(_.isUndefined(_sel[k])) {
_sel[k] = function() {
var args = arguments;
return function(x) {
return x[k].apply(x, args);
};
};
}
});
return klass;
}
});
})();