blissfuljs/bliss._.js

Lightweight helper library for modern browsers.

(function($) {
"use strict";

if (!Bliss || Bliss.shy) {
	return;
}

var _ = Bliss.property;

// Methods requiring Bliss Full
$.add({
	// Clone elements, with events and data
	clone: function () {
		console.warn("$.clone() is deprecated and will be removed in a future version of Bliss.");
		var clone = this.cloneNode(true);
		var descendants = $.$("*", clone).concat(clone);

		$.$("*", this).concat(this).forEach(function(element, i, arr) {
			$.events(descendants[i], element);
			descendants[i]._.data = $.extend({}, element._.data);
		});

		return clone;
	}
}, {array: false});

// Define the _ property on arrays and elements

Object.defineProperty(Node.prototype, _, {
	// Written for IE compatability (see #49)
	get: function getter () {
		Object.defineProperty(Node.prototype, _, {
			get: undefined
		});
		Object.defineProperty(this, _, {
			value: new $.Element(this)
		});
		Object.defineProperty(Node.prototype, _, {
			get: getter
		});
		return this[_];
	},
	configurable: true
});

Object.defineProperty(Array.prototype, _, {
	get: function () {
		Object.defineProperty(this, _, {
			value: new $.Array(this)
		});

		return this[_];
	},
	configurable: true
});

// Hijack addEventListener and removeEventListener to store callbacks

if (self.EventTarget && "addEventListener" in EventTarget.prototype) {
	EventTarget.prototype.addEventListener = function(type, callback, options) {
		return $.bind(this, type, callback, options);
	};

	EventTarget.prototype.removeEventListener = function(type, callback, options) {
		return $.unbind(this, type, callback, options);
	};
}

// Set $ and $$ convenience methods, if not taken
self.$ = self.$ || $;
self.$$ = self.$$ || $.$;

})(Bliss);