118 lines
3.2 KiB
JavaScript
118 lines
3.2 KiB
JavaScript
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/*!
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* Ender: open module JavaScript framework (client-lib)
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* copyright Dustin Diaz & Jacob Thornton 2011-2012 (@ded @fat)
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* http://ender.no.de
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* License MIT
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*/
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(function (context) {
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// a global object for node.js module compatiblity
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// ============================================
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context['global'] = context
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// Implements simple module system
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// losely based on CommonJS Modules spec v1.1.1
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// ============================================
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var modules = {}
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, old = context['$']
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, oldRequire = context['require']
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, oldProvide = context['provide']
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function require (identifier) {
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// modules can be required from ender's build system, or found on the window
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var module = modules['$' + identifier] || window[identifier]
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if (!module) throw new Error("Ender Error: Requested module '" + identifier + "' has not been defined.")
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return module
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}
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function provide (name, what) {
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return (modules['$' + name] = what)
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}
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context['provide'] = provide
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context['require'] = require
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function aug(o, o2) {
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for (var k in o2) k != 'noConflict' && k != '_VERSION' && (o[k] = o2[k])
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return o
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}
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/**
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* main Ender return object
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* @constructor
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* @param {Array|Node|string} s a CSS selector or DOM node(s)
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* @param {Array.|Node} r a root node(s)
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*/
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function Ender(s, r) {
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var elements
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, i
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this.selector = s
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// string || node || nodelist || window
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if (typeof s == 'undefined') {
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elements = []
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this.selector = ''
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} else if (typeof s == 'string' || s.nodeName || (s.length && 'item' in s) || s == window) {
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elements = ender._select(s, r)
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} else {
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elements = isFinite(s.length) ? s : [s]
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}
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this.length = elements.length
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for (i = this.length; i--;) this[i] = elements[i]
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}
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/**
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* @param {function(el, i, inst)} fn
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* @param {Object} opt_scope
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* @returns {Ender}
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*/
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Ender.prototype['forEach'] = function (fn, opt_scope) {
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var i, l
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// opt out of native forEach so we can intentionally call our own scope
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// defaulting to the current item and be able to return self
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for (i = 0, l = this.length; i < l; ++i) i in this && fn.call(opt_scope || this[i], this[i], i, this)
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// return self for chaining
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return this
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}
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Ender.prototype.$ = ender // handy reference to self
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function ender(s, r) {
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return new Ender(s, r)
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}
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ender['_VERSION'] = '0.4.3-dev'
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ender.fn = Ender.prototype // for easy compat to jQuery plugins
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ender.ender = function (o, chain) {
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aug(chain ? Ender.prototype : ender, o)
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}
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ender._select = function (s, r) {
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if (typeof s == 'string') return (r || document).querySelectorAll(s)
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if (s.nodeName) return [s]
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return s
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}
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// use callback to receive Ender's require & provide
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ender.noConflict = function (callback) {
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context['$'] = old
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if (callback) {
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context['provide'] = oldProvide
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context['require'] = oldRequire
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callback(require, provide, this)
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}
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return this
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}
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if (typeof module !== 'undefined' && module.exports) module.exports = ender
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// use subscript notation as extern for Closure compilation
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context['ender'] = context['$'] = context['ender'] || ender
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}(this));
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