2 * Copyright 2016 2015-2016 ZTE, Inc. and others. All rights reserved.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 * Author: Zhaoxing Meng
17 * email: meng.zhaoxing1@zte.com.cn
19 /*==================================================
20 Copyright (c) 2013-2015 司徒正美 and other contributors
21 http://www.cnblogs.com/rubylouvre/
22 https://github.com/RubyLouvre
23 http://weibo.com/jslouvre/
25 Released under the MIT license
26 avalon.js 1.45 built in 2015.7.17
27 support IE6+ and other browsers
28 ==================================================*/
29 (function(global, factory) {
31 if (typeof module === "object" && typeof module.exports === "object") {
32 // For CommonJS and CommonJS-like environments where a proper `window`
33 // is present, execute the factory and get avalon.
34 // For environments that do not have a `window` with a `document`
35 // (such as Node.js), expose a factory as module.exports.
36 // This accentuates the need for the creation of a real `window`.
37 // e.g. var avalon = require("avalon")(window);
38 module.exports = global.document ? factory(global, true) : function(w) {
40 throw new Error("Avalon requires a window with a document")
48 // Pass this if window is not defined yet
49 }(typeof window !== "undefined" ? window : this, function(window, noGlobal){
51 /*********************************************************************
53 **********************************************************************/
54 var expose = new Date() - 0
55 //http://stackoverflow.com/questions/7290086/javascript-use-strict-and-nicks-find-global-function
56 var DOC = window.document
57 var head = DOC.getElementsByTagName("head")[0] //HEAD元素
58 var ifGroup = head.insertBefore(document.createElement("avalon"), head.firstChild) //避免IE6 base标签BUG
59 ifGroup.innerHTML = "X<style id='avalonStyle'>.avalonHide{ display: none!important }</style>"
60 ifGroup.setAttribute("ms-skip", "1")
61 ifGroup.className = "avalonHide"
62 var rnative = /\[native code\]/ //判定是否原生函数
64 if (window.console && avalon.config.debug) {
65 // http://stackoverflow.com/questions/8785624/how-to-safely-wrap-console-log
66 Function.apply.call(console.log, console, arguments)
71 var subscribers = "$" + expose
72 var otherRequire = window.require
73 var otherDefine = window.define
75 var stopRepeatAssign = false
76 var rword = /[^, ]+/g //切割字符串为一个个小块,以空格或豆号分开它们,结合replace实现字符串的forEach
77 var rcomplexType = /^(?:object|array)$/
78 var rsvg = /^\[object SVG\w*Element\]$/
79 var rwindow = /^\[object (?:Window|DOMWindow|global)\]$/
80 var oproto = Object.prototype
81 var ohasOwn = oproto.hasOwnProperty
82 var serialize = oproto.toString
83 var ap = Array.prototype
85 var Registry = {} //将函数曝光到此对象上,方便访问器收集依赖
86 var W3C = window.dispatchEvent
87 var root = DOC.documentElement
88 var avalonFragment = DOC.createDocumentFragment()
89 var cinerator = DOC.createElement("div")
91 "Boolean Number String Function Array Date RegExp Object Error".replace(rword, function (name) {
92 class2type["[object " + name + "]"] = name.toLowerCase()
100 function oneObject(array, val) {
101 if (typeof array === "string") {
102 array = array.match(rword) || []
105 value = val !== void 0 ? val : 1
106 for (var i = 0, n = array.length; i < n; i++) {
107 result[array[i]] = value
112 //生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
113 var generateID = function (prefix) {
114 prefix = prefix || "avalon"
115 return String(Math.random() + Math.random()).replace(/\d\.\d{4}/, prefix)
118 if (window.VBArray) {
119 var mode = document.documentMode
120 return mode ? mode : window.XMLHttpRequest ? 7 : 6
127 avalon = function (el) { //创建jQuery式的无new 实例化结构
128 return new avalon.init(el)
131 avalon.profile = function () {
132 if (window.console && avalon.config.profile) {
133 Function.apply.call(console.log, console, arguments)
138 avalon.nextTick = new function () {// jshint ignore:line
139 var tickImmediate = window.setImmediate
140 var tickObserver = window.MutationObserver
141 var tickPost = W3C && window.postMessage
143 return tickImmediate.bind(window)
147 function callback() {
149 for (var i = 0; i < n; i++) {
152 queue = queue.slice(n)
156 var node = document.createTextNode("avalon")
157 new tickObserver(callback).observe(node, {characterData: true})// jshint ignore:line
158 return function (fn) {
160 node.data = Math.random()
165 window.addEventListener("message", function (e) {
166 var source = e.source
167 if ((source === window || source === null) && e.data === "process-tick") {
173 return function (fn) {
175 window.postMessage('process-tick', '*')
179 return function (fn) {
182 }// jshint ignore:line
183 /*********************************************************************
185 **********************************************************************/
186 avalon.init = function (el) {
187 this[0] = this.element = el
189 avalon.fn = avalon.prototype = avalon.init.prototype
191 avalon.type = function (obj) { //取得目标的类型
195 // 早期的webkit内核浏览器实现了已废弃的ecma262v4标准,可以将正则字面量当作函数使用,因此typeof在判定正则时会返回function
196 return typeof obj === "object" || typeof obj === "function" ?
197 class2type[serialize.call(obj)] || "object" :
201 var isFunction = typeof alert === "object" ? function (fn) {
203 return /^\s*\bfunction\b/.test(fn + "")
208 return serialize.call(fn) === "[object Function]"
210 avalon.isFunction = isFunction
212 avalon.isWindow = function (obj) {
215 // 利用IE678 window == document为true,document == window竟然为false的神奇特性
216 // 标准浏览器及IE9,IE10等使用 正则检测
217 return obj == obj.document && obj.document != obj //jshint ignore:line
220 function isWindow(obj) {
221 return rwindow.test(serialize.call(obj))
223 if (isWindow(window)) {
224 avalon.isWindow = isWindow
227 for (enu in avalon({})) {
230 var enumerateBUG = enu !== "0" //IE6下为true, 其他为false
231 /*判定是否是一个朴素的javascript对象(Object),不是DOM对象,不是BOM对象,不是自定义类的实例*/
232 avalon.isPlainObject = function (obj, key) {
233 if (!obj || avalon.type(obj) !== "object" || obj.nodeType || avalon.isWindow(obj)) {
236 try { //IE内置对象没有constructor
237 if (obj.constructor && !ohasOwn.call(obj, "constructor") && !ohasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
240 } catch (e) { //IE8 9会在这里抛错
245 return ohasOwn.call(obj, key)
250 return key === void 0 || ohasOwn.call(obj, key)
252 if (rnative.test(Object.getPrototypeOf)) {
253 avalon.isPlainObject = function (obj) {
254 // 简单的 typeof obj === "object"检测,会致使用isPlainObject(window)在opera下通不过
255 return serialize.call(obj) === "[object Object]" && Object.getPrototypeOf(obj) === oproto
258 //与jQuery.extend方法,可用于浅拷贝,深拷贝
259 avalon.mix = avalon.fn.mix = function () {
260 var options, name, src, copy, copyIsArray, clone,
261 target = arguments[0] || {},
263 length = arguments.length,
266 // 如果第一个参数为布尔,判定是否深拷贝
267 if (typeof target === "boolean") {
269 target = arguments[1] || {}
274 if (typeof target !== "object" && !isFunction(target)) {
278 //如果只有一个参数,那么新成员添加于mix所在的对象上
284 for (; i < length; i++) {
286 if ((options = arguments[i]) != null) {
287 for (name in options) {
290 copy = options[name] //当options为VBS对象时报错
296 if (target === copy) {
299 if (deep && copy && (avalon.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) {
303 clone = src && Array.isArray(src) ? src : []
306 clone = src && avalon.isPlainObject(src) ? src : {}
309 target[name] = avalon.mix(deep, clone, copy)
310 } else if (copy !== void 0) {
319 function _number(a, len) { //用于模拟slice, splice的效果
320 a = Math.floor(a) || 0
321 return a < 0 ? Math.max(len + a, 0) : Math.min(a, len);
325 subscribers: subscribers,
329 slice: W3C ? function (nodes, start, end) {
330 return aslice.call(nodes, start, end)
331 } : function (nodes, start, end) {
333 var len = nodes.length
336 if (typeof end === "number" && isFinite(end)) {
337 start = _number(start, len)
338 end = _number(end, len)
339 for (var i = start; i < end; ++i) {
340 ret[i - start] = nodes[i]
346 /*如果不用Error对象封装一下,str在控制台下可能会乱码*/
347 error: function (str, e) {
348 throw (e || Error)(str)
350 /*将一个以空格或逗号隔开的字符串或数组,转换成一个键值都为1的对象*/
351 oneObject: oneObject,
353 => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
355 => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
356 avalon.range(0, 30, 5)
357 => [0, 5, 10, 15, 20, 25]
358 avalon.range(0, -10, -1)
359 => [0, -1, -2, -3, -4, -5, -6, -7, -8, -9]
362 range: function (start, end, step) { // 用于生成整数数组
369 length = Math.max(0, Math.ceil((end - start) / step)),
370 result = new Array(length)
371 while (++index < length) {
372 result[index] = start
379 bind: function(el, type, fn, phase) {
380 var hooks = avalon.eventHooks
381 var hook = hooks[type]
382 if (typeof hook === "object") {
385 fn = hook.deel(el, type, fn, phase)
388 var callback = W3C ? fn : function(e) {
389 fn.call(el, fixEvent(e));
392 el.addEventListener(type, callback, !!phase)
394 el.attachEvent("on" + type, callback)
399 unbind: function(el, type, fn, phase) {
400 var hooks = avalon.eventHooks
401 var hook = hooks[type]
402 var callback = fn || noop
403 if (typeof hook === "object") {
406 fn = hook.deel(el, type, fn, false)
410 el.removeEventListener(type, callback, !!phase)
412 el.detachEvent("on" + type, callback)
416 css: function (node, name, value) {
417 if (node instanceof avalon) {
420 var prop = /[_-]/.test(name) ? camelize(name) : name, fn
421 name = avalon.cssName(prop) || prop
422 if (value === void 0 || typeof value === "boolean") { //获取样式
423 fn = cssHooks[prop + ":get"] || cssHooks["@:get"]
424 if (name === "background") {
425 name = "backgroundColor"
427 var val = fn(node, name)
428 return value === true ? parseFloat(val) || 0 : val
429 } else if (value === "") { //请除样式
430 node.style[name] = ""
432 if (value == null || value !== value) {
435 if (isFinite(value) && !avalon.cssNumber[prop]) {
438 fn = cssHooks[prop + ":set"] || cssHooks["@:set"]
439 fn(node, name, value)
442 /*遍历数组与对象,回调的第一个参数为索引或键名,第二个或元素或键值*/
443 each: function (obj, fn) {
444 if (obj) { //排除null, undefined
446 if (isArrayLike(obj)) {
447 for (var n = obj.length; i < n; i++) {
448 if (fn(i, obj[i]) === false)
453 if (obj.hasOwnProperty(i) && fn(i, obj[i]) === false) {
460 //收集元素的data-{{prefix}}-*属性,并转换为对象
461 getWidgetData: function (elem, prefix) {
462 var raw = avalon(elem).data()
465 if (i.indexOf(prefix) === 0) {
466 result[i.replace(prefix, "").replace(/\w/, function (a) {
467 return a.toLowerCase()
474 /*只有当前数组不存在此元素时只添加它*/
475 ensure: function (target, item) {
476 if (target.indexOf(item) === -1) {
477 return target.push(item)
480 /*移除数组中指定位置的元素,返回布尔表示成功与否*/
481 removeAt: function (target, index) {
482 return !!target.splice(index, 1).length
484 /*移除数组中第一个匹配传参的那个元素,返回布尔表示成功与否*/
485 remove: function (target, item) {
486 var index = target.indexOf(item)
488 return avalon.Array.removeAt(target, index)
494 var bindingHandlers = avalon.bindingHandlers = {}
495 var bindingExecutors = avalon.bindingExecutors = {}
497 /*判定是否类数组,如节点集合,纯数组,arguments与拥有非负整数的length属性的纯JS对象*/
498 function isArrayLike(obj) {
502 if (n === (n >>> 0)) { //检测length属性是否为非负整数
503 var type = serialize.call(obj).slice(8, -1)
504 if (/(?:regexp|string|function|window|global)$/i.test(type))
506 if (type === "Array")
509 if ({}.propertyIsEnumerable.call(obj, "length") === false) { //如果是原生对象
510 return /^\s?function/.test(obj.item || obj.callee)
513 } catch (e) { //IE的NodeList直接抛错
514 return !obj.window //IE6-8 window
521 // https://github.com/rsms/js-lru
522 var Cache = new function() {// jshint ignore:line
523 function LRU(maxLength) {
525 this.limit = maxLength
526 this.head = this.tail = void 0
530 var p = LRU.prototype
532 p.put = function(key, value) {
537 this._keymap[key] = entry
539 this.tail.newer = entry
540 entry.older = this.tail
545 if (this.size === this.limit) {
553 p.shift = function() {
554 var entry = this.head
556 this.head = this.head.newer
560 this._keymap[entry.key] = void 0
563 p.get = function(key) {
564 var entry = this._keymap[key]
565 if (entry === void 0)
567 if (entry === this.tail) {
570 // HEAD--------------TAIL
572 // <--- add direction --
575 if (entry === this.head) {
576 this.head = entry.newer
578 entry.newer.older = entry.older // C <-- E.
581 entry.older.newer = entry.newer // C. --> E
583 entry.newer = void 0 // D --x
584 entry.older = this.tail // D. --> E
586 this.tail.newer = entry // E. <-- D
592 }// jshint ignore:line
594 /*********************************************************************
596 **********************************************************************/
598 var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g
599 String.prototype.trim = function () {
600 return this.replace(rtrim, "")
603 var hasDontEnumBug = !({
605 }).propertyIsEnumerable('toString'),
606 hasProtoEnumBug = (function () {
607 }).propertyIsEnumerable('prototype'),
614 "propertyIsEnumerable",
617 dontEnumsLength = dontEnums.length;
619 Object.keys = function (object) { //ecma262v5 15.2.3.14
621 var skipProto = hasProtoEnumBug && typeof object === "function"
622 if (typeof object === "string" || (object && object.callee)) {
623 for (var i = 0; i < object.length; ++i) {
624 theKeys.push(String(i))
627 for (var name in object) {
628 if (!(skipProto && name === "prototype") && ohasOwn.call(object, name)) {
629 theKeys.push(String(name))
634 if (hasDontEnumBug) {
635 var ctor = object.constructor,
636 skipConstructor = ctor && ctor.prototype === object
637 for (var j = 0; j < dontEnumsLength; j++) {
638 var dontEnum = dontEnums[j]
639 if (!(skipConstructor && dontEnum === "constructor") && ohasOwn.call(object, dontEnum)) {
640 theKeys.push(dontEnum)
647 if (!Array.isArray) {
648 Array.isArray = function (a) {
649 return serialize.call(a) === "[object Array]"
654 Function.prototype.bind = function (scope) {
655 if (arguments.length < 2 && scope === void 0)
662 for (i = 1; i < argv.length; i++)
664 for (i = 0; i < arguments.length; i++)
665 args.push(arguments[i])
666 return fn.apply(scope, args)
671 function iterator(vars, body, ret) {
672 var fun = 'for(var ' + vars + 'i=0,n = this.length; i < n; i++){' + body.replace('_', '((i in this) && fn.call(scope,this[i],i,this))') + '}' + ret
673 /* jshint ignore:start */
674 return Function("fn,scope", fun)
675 /* jshint ignore:end */
677 if (!rnative.test([].map)) {
679 //定位操作,返回数组中第一个等于给定参数的元素的索引值。
680 indexOf: function (item, index) {
686 if (this[i] === item)
691 lastIndexOf: function (item, index) {
693 i = index == null ? n - 1 : index
695 i = Math.max(0, n + i)
697 if (this[i] === item)
701 //迭代操作,将数组的元素挨个儿传入一个函数中执行。Prototype.js的对应名字为each。
702 forEach: iterator("", '_', ""),
703 //迭代类 在数组中的每个项上运行一个函数,如果此函数的值为真,则此元素作为新数组的元素收集起来,并返回新数组
704 filter: iterator('r=[],j=0,', 'if(_)r[j++]=this[i]', 'return r'),
705 //收集操作,将数组的元素挨个儿传入一个函数中执行,然后把它们的返回值组成一个新数组返回。Prototype.js的对应名字为collect。
706 map: iterator('r=[],', 'r[i]=_', 'return r'),
707 //只要数组中有一个元素满足条件(放进给定函数返回true),那么它就返回true。Prototype.js的对应名字为any。
708 some: iterator("", 'if(_)return true', 'return false'),
709 //只有数组中的元素都满足条件(放进给定函数返回true),它才返回true。Prototype.js的对应名字为all。
710 every: iterator("", 'if(!_)return false', 'return true')
713 /*********************************************************************
715 **********************************************************************/
717 function fixContains(root, el) {
718 try { //IE6-8,游离于DOM树外的文本节点,访问parentNode有时会抛错
719 while ((el = el.parentNode))
727 avalon.contains = fixContains
728 //IE6-11的文档对象没有contains
730 DOC.contains = function (b) {
731 return fixContains(DOC, b)
735 function outerHTML() {
736 return new XMLSerializer().serializeToString(this)
739 if (window.SVGElement) {
740 //safari5+是把contains方法放在Element.prototype上而不是Node.prototype
741 if (!DOC.createTextNode("x").contains) {
742 Node.prototype.contains = function (arg) {//IE6-8没有Node对象
743 return !!(this.compareDocumentPosition(arg) & 16)
746 var svgns = "http://www.w3.org/2000/svg"
747 var svg = DOC.createElementNS(svgns, "svg")
748 svg.innerHTML = '<circle cx="50" cy="50" r="40" fill="red" />'
749 if (!rsvg.test(svg.firstChild)) { // #409
750 function enumerateNode(node, targetNode) {// jshint ignore:line
751 if (node && node.childNodes) {
752 var nodes = node.childNodes
753 for (var i = 0, el; el = nodes[i++]; ) {
755 var svg = DOC.createElementNS(svgns,
756 el.tagName.toLowerCase())
757 ap.forEach.call(el.attributes, function (attr) {
758 svg.setAttribute(attr.name, attr.value) //复制属性
759 })// jshint ignore:line
761 enumerateNode(el, svg)
762 targetNode.appendChild(svg)
767 Object.defineProperties(SVGElement.prototype, {
768 "outerHTML": {//IE9-11,firefox不支持SVG元素的innerHTML,outerHTML属性
772 set: function (html) {
773 var tagName = this.tagName.toLowerCase(),
774 par = this.parentNode,
775 frag = avalon.parseHTML(html)
777 if (tagName === "svg") {
778 par.insertBefore(frag, this)
781 var newFrag = DOC.createDocumentFragment()
782 enumerateNode(frag, newFrag)
783 par.insertBefore(newFrag, this)
785 par.removeChild(this)
792 var s = this.outerHTML
793 var ropen = new RegExp("<" + this.nodeName + '\\b(?:(["\'])[^"]*?(\\1)|[^>])*>', "i")
794 var rclose = new RegExp("<\/" + this.nodeName + ">$", "i")
795 return s.replace(ropen, "").replace(rclose, "")
797 set: function (html) {
798 if (avalon.clearHTML) {
799 avalon.clearHTML(this)
800 var frag = avalon.parseHTML(html)
801 enumerateNode(frag, this)
808 if (!root.outerHTML && window.HTMLElement) { //firefox 到11时才有outerHTML
809 HTMLElement.prototype.__defineGetter__("outerHTML", outerHTML);
813 //============================= event binding =======================
814 var rmouseEvent = /^(?:mouse|contextmenu|drag)|click/
815 function fixEvent(event) {
817 for (var i in event) {
820 var target = ret.target = event.srcElement
821 if (event.type.indexOf("key") === 0) {
822 ret.which = event.charCode != null ? event.charCode : event.keyCode
823 } else if (rmouseEvent.test(event.type)) {
824 var doc = target.ownerDocument || DOC
825 var box = doc.compatMode === "BackCompat" ? doc.body : doc.documentElement
826 ret.pageX = event.clientX + (box.scrollLeft >> 0) - (box.clientLeft >> 0)
827 ret.pageY = event.clientY + (box.scrollTop >> 0) - (box.clientTop >> 0)
828 ret.wheelDeltaY = ret.wheelDelta
831 ret.timeStamp = new Date() - 0
832 ret.originalEvent = event
833 ret.preventDefault = function () { //阻止默认行为
834 event.returnValue = false
836 ret.stopPropagation = function () { //阻止事件在DOM树中的传播
837 event.cancelBubble = true
842 var eventHooks = avalon.eventHooks
843 //针对firefox, chrome修正mouseenter, mouseleave
844 if (!("onmouseenter" in root)) {
846 mouseenter: "mouseover",
847 mouseleave: "mouseout"
848 }, function (origType, fixType) {
849 eventHooks[origType] = {
851 deel: function (elem, _, fn) {
852 return function (e) {
853 var t = e.relatedTarget
854 if (!t || (t !== elem && !(elem.compareDocumentPosition(t) & 16))) {
857 return fn.call(elem, e)
864 //针对IE9+, w3c修正animationend
866 AnimationEvent: "animationend",
867 WebKitAnimationEvent: "webkitAnimationEnd"
868 }, function (construct, fixType) {
869 if (window[construct] && !eventHooks.animationend) {
870 eventHooks.animationend = {
876 if (!("oninput" in DOC.createElement("input"))) {
878 type: "propertychange",
879 deel: function (elem, _, fn) {
880 return function (e) {
881 if (e.propertyName === "value") {
883 return fn.call(elem, e)
889 if (DOC.onmousewheel === void 0) {
890 /* IE6-11 chrome mousewheel wheelDetla 下 -120 上 120
891 firefox DOMMouseScroll detail 下3 上-3
892 firefox wheel detlaY 下3 上-3
893 IE9-11 wheel deltaY 下40 上-40
894 chrome wheel deltaY 下100 上-100 */
895 var fixWheelType = DOC.onwheel !== void 0 ? "wheel" : "DOMMouseScroll"
896 var fixWheelDelta = fixWheelType === "wheel" ? "deltaY" : "detail"
897 eventHooks.mousewheel = {
899 deel: function (elem, _, fn) {
900 return function (e) {
901 e.wheelDeltaY = e.wheelDelta = e[fixWheelDelta] > 0 ? -120 : 120
903 if (Object.defineProperty) {
904 Object.defineProperty(e, "type", {
916 /*********************************************************************
918 **********************************************************************/
920 function kernel(settings) {
921 for (var p in settings) {
922 if (!ohasOwn.call(settings, p))
924 var val = settings[p]
925 if (typeof kernel.plugins[p] === "function") {
926 kernel.plugins[p](val)
927 } else if (typeof kernel[p] === "object") {
928 avalon.mix(kernel[p], val)
935 var openTag, closeTag, rexpr, rexprg, rbind, rregexp = /[-.*+?^${}()|[\]\/\\]/g
937 function escapeRegExp(target) {
938 //http://stevenlevithan.com/regex/xregexp/
940 return (target + "").replace(rregexp, "\\$&")
944 loader: function (builtin) {
945 var flag = innerRequire && builtin
946 window.require = flag ? innerRequire : otherRequire
947 window.define = flag ? innerRequire.define : otherDefine
949 interpolate: function (array) {
952 if (openTag === closeTag) {
953 throw new SyntaxError("openTag!==closeTag")
954 var test = openTag + "test" + closeTag
955 cinerator.innerHTML = test
956 if (cinerator.innerHTML !== test && cinerator.innerHTML.indexOf("<") > -1) {
957 throw new SyntaxError("此定界符不合法")
959 cinerator.innerHTML = ""
961 var o = escapeRegExp(openTag),
962 c = escapeRegExp(closeTag)
963 rexpr = new RegExp(o + "(.*?)" + c)
964 rexprg = new RegExp(o + "(.*?)" + c, "g")
965 rbind = new RegExp(o + ".*?" + c + "|\\sms-")
970 kernel.plugins = plugins
971 kernel.plugins['interpolate'](["{{", "}}"])
974 kernel.maxRepeatSize = 100
975 avalon.config = kernel
976 var ravalon = /(\w+)\[(avalonctrl)="(\S+)"\]/
977 var findNodes = DOC.querySelectorAll ? function(str) {
978 return DOC.querySelectorAll(str)
980 var match = str.match(ravalon)
981 var all = DOC.getElementsByTagName(match[1])
983 for (var i = 0, el; el = all[i++]; ) {
984 if (el.getAttribute(match[2]) === match[3]) {
990 /*********************************************************************
992 **********************************************************************/
994 $watch: function (type, callback) {
995 if (typeof callback === "function") {
996 var callbacks = this.$events[type]
998 callbacks.push(callback)
1000 this.$events[type] = [callback]
1002 } else { //重新开始监听此VM的第一重简单属性的变动
1003 this.$events = this.$watch.backup
1007 $unwatch: function (type, callback) {
1008 var n = arguments.length
1009 if (n === 0) { //让此VM的所有$watch回调无效化
1010 this.$watch.backup = this.$events
1012 } else if (n === 1) {
1013 this.$events[type] = []
1015 var callbacks = this.$events[type] || []
1016 var i = callbacks.length
1018 if (callbacks[i] === callback) {
1019 return callbacks.splice(i, 1)
1025 $fire: function (type) {
1026 var special, i, v, callback
1027 if (/^(\w+)!(\S+)$/.test(type)) {
1031 var events = this.$events
1034 var args = aslice.call(arguments, 1)
1035 var detail = [type].concat(args)
1036 if (special === "all") {
1037 for (i in avalon.vmodels) {
1038 v = avalon.vmodels[i]
1040 v.$fire.apply(v, detail)
1043 } else if (special === "up" || special === "down") {
1044 var elements = events.expr ? findNodes(events.expr) : []
1045 if (elements.length === 0)
1047 for (i in avalon.vmodels) {
1048 v = avalon.vmodels[i]
1050 if (v.$events.expr) {
1051 var eventNodes = findNodes(v.$events.expr)
1052 if (eventNodes.length === 0) {
1055 //循环两个vmodel中的节点,查找匹配(向上匹配或者向下匹配)的节点并设置标识
1056 /* jshint ignore:start */
1057 ap.forEach.call(eventNodes, function (node) {
1058 ap.forEach.call(elements, function (element) {
1059 var ok = special === "down" ? element.contains(node) : //向下捕获
1060 node.contains(element) //向上冒泡
1062 node._avalon = v //符合条件的加一个标识
1066 /* jshint ignore:end */
1070 var nodes = DOC.getElementsByTagName("*") //实现节点排序
1072 ap.forEach.call(nodes, function (el) {
1074 alls.push(el._avalon)
1076 el.removeAttribute("_avalon")
1079 if (special === "up") {
1082 for (i = 0; callback = alls[i++]; ) {
1083 if (callback.$fire.apply(callback, detail) === false) {
1088 var callbacks = events[type] || []
1089 var all = events.$all || []
1090 for (i = 0; callback = callbacks[i++]; ) {
1091 if (isFunction(callback))
1092 callback.apply(this, args)
1094 for (i = 0; callback = all[i++]; ) {
1095 if (isFunction(callback))
1096 callback.apply(this, arguments)
1102 /*********************************************************************
1104 **********************************************************************/
1105 //avalon最核心的方法的两个方法之一(另一个是avalon.scan),返回一个ViewModel(VM)
1106 var VMODELS = avalon.vmodels = {} //所有vmodel都储存在这里
1107 avalon.define = function (id, factory) {
1108 var $id = id.$id || id
1110 log("warning: vm必须指定$id")
1113 log("warning: " + $id + " 已经存在于avalon.vmodels中")
1115 if (typeof id === "object") {
1116 var model = modelFactory(id)
1121 factory(scope) //得到所有定义
1123 model = modelFactory(scope) //偷天换日,将scope换为model
1124 stopRepeatAssign = true
1126 stopRepeatAssign = false
1129 return VMODELS[$id] = model
1133 var $$skipArray = String("$id,$watch,$unwatch,$fire,$events,$model,$skipArray,$proxy,$reinitialize,$propertyNames").match(rword)
1134 var defineProperty = Object.defineProperty
1135 var canHideOwn = true
1136 //如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG,比如IE8
1137 //标准浏览器使用__defineGetter__, __defineSetter__实现
1139 defineProperty({}, "_", {
1142 var defineProperties = Object.defineProperties
1147 function modelFactory(source, $special, $model) {
1148 if (Array.isArray(source)) {
1149 var arr = source.concat()
1151 var collection = arrayFactory(source)
1152 collection.pushArray(arr)
1155 //0 null undefined || Node || VModel(fix IE6-8 createWithProxy $val: val引发的BUG)
1156 if (!source || source.nodeType > 0 || (source.$id && source.$events)) {
1159 var $skipArray = Array.isArray(source.$skipArray) ? source.$skipArray : []
1160 $skipArray.$special = $special || {} //强制要监听的属性
1161 var $vmodel = {} //要返回的对象, 它在IE6-8下可能被偷龙转凤
1162 $model = $model || {} //vmodels.$model属性
1163 var $events = {} //vmodel.$events属性
1164 var accessors = {} //监控属性
1166 $$skipArray.forEach(function (name) {
1169 var names = Object.keys(source)
1170 /* jshint ignore:start */
1171 names.forEach(function (name, accessor) {
1172 var val = source[name]
1174 if (isObservable(name, val, $skipArray)) {
1177 var valueType = avalon.type(val)
1179 if (valueType === "object" && isFunction(val.get) && Object.keys(val).length <= 2) {
1180 accessor = makeComputedAccessor(name, val)
1181 computed.push(accessor)
1182 } else if (rcomplexType.test(valueType)) {
1183 accessor = makeComplexAccessor(name, val, valueType, $events[name])
1185 accessor = makeSimpleAccessor(name, val)
1187 accessors[name] = accessor
1190 /* jshint ignore:end */
1192 $vmodel = defineProperties($vmodel, descriptorFactory(accessors), source) //生成一个空的ViewModel
1193 for (var i = 0; i < names.length; i++) {
1195 if (!accessors[name]) {
1196 $vmodel[name] = source[name]
1199 //添加$id, $model, $events, $watch, $unwatch, $fire
1200 $vmodel.$propertyNames = names.join("­")
1201 $vmodel.$id = generateID()
1202 $vmodel.$model = $model
1203 $vmodel.$events = $events
1204 for (i in EventBus) {
1205 var fn = EventBus[i]
1206 if (!W3C) { //在IE6-8下,VB对象的方法里的this并不指向自身,需要用bind处理一下
1207 fn = fn.bind($vmodel)
1212 Object.defineProperty($vmodel, "hasOwnProperty", hasOwnDescriptor)
1214 /* jshint ignore:start */
1215 $vmodel.hasOwnProperty = function (name) {
1216 return name in $vmodel.$model
1218 /* jshint ignore:end */
1221 $vmodel.$reinitialize = function () {
1222 computed.forEach(function (accessor) {
1223 delete accessor._value
1224 delete accessor.oldArgs
1225 accessor.digest = function () {
1226 accessor.call($vmodel)
1228 dependencyDetection.begin({
1229 callback: function (vm, dependency) {//dependency为一个accessor
1230 var name = dependency._name
1231 if (dependency !== accessor) {
1232 var list = vm.$events[name]
1233 injectDependency(list, accessor.digest)
1238 accessor.get.call($vmodel)
1240 dependencyDetection.end()
1244 $vmodel.$reinitialize()
1248 var hasOwnDescriptor = {
1249 value: function (name) {
1250 return name in this.$model
1257 function makeSimpleAccessor(name, value) {
1258 function accessor(value) {
1259 var oldValue = accessor._value
1260 if (arguments.length > 0) {
1261 if (!stopRepeatAssign && !isEqual(value, oldValue)) {
1262 accessor.updateValue(this, value)
1263 accessor.notify(this, value, oldValue)
1267 dependencyDetection.collectDependency(this, accessor)
1271 accessorFactory(accessor, name)
1272 accessor._value = value
1277 function makeComputedAccessor(name, options) {
1278 function accessor(value) {//计算属性
1279 var oldValue = accessor._value
1280 var init = ("_value" in accessor)
1281 if (arguments.length > 0) {
1282 if (stopRepeatAssign) {
1285 if (typeof accessor.set === "function") {
1286 if (accessor.oldArgs !== value) {
1287 accessor.oldArgs = value
1288 var $events = this.$events
1289 var lock = $events[name]
1290 $events[name] = [] //清空回调,防止内部冒泡而触发多次$fire
1291 accessor.set.call(this, value)
1292 $events[name] = lock
1293 value = accessor.get.call(this)
1294 if (value !== oldValue) {
1295 accessor.updateValue(this, value)
1296 accessor.notify(this, value, oldValue) //触发$watch回调
1302 //将依赖于自己的高层访问器或视图刷新函数(以绑定对象形式)放到自己的订阅数组中
1304 value = accessor.get.call(this)
1305 accessor.updateValue(this, value)
1306 if (init && oldValue !== value) {
1307 accessor.notify(this, value, oldValue) //触发$watch回调
1312 accessor.set = options.set
1313 accessor.get = options.get
1314 accessorFactory(accessor, name)
1319 function makeComplexAccessor(name, initValue, valueType, list) {
1320 function accessor(value) {
1321 var oldValue = accessor._value
1323 var son = accessor._vmodel
1324 if (arguments.length > 0) {
1325 if (stopRepeatAssign) {
1328 if (valueType === "array") {
1329 var a = son, b = value,
1334 a.splice(bn, an - bn)
1335 } else if (bn > an) {
1336 a.push.apply(a, b.slice(an))
1338 var n = Math.min(an, bn)
1339 for (var i = 0; i < n; i++) {
1344 } else if (valueType === "object") {
1345 var newPropertyNames = Object.keys(value).join("­")
1346 if (son.$propertyNames === newPropertyNames) {
1351 var sson = accessor._vmodel = modelFactory(value)
1352 var sevent = sson.$events
1353 var oevent = son.$events
1354 for (var i in sevent) {
1356 if (Array.isArray(arr)) {
1357 arr = arr.concat(oevent[i])
1360 sevent[subscribers] = oevent[subscribers]
1361 sson.$proxy = son.$proxy
1365 accessor.updateValue(this, son.$model)
1366 accessor.notify(this, this._value, oldValue)
1369 dependencyDetection.collectDependency(this, accessor)
1373 accessorFactory(accessor, name)
1374 var son = accessor._vmodel = modelFactory(initValue)
1375 son.$events[subscribers] = list
1379 function globalUpdateValue(vmodel, value) {
1380 vmodel.$model[this._name] = this._value = value
1383 function globalNotify(vmodel, value, oldValue) {
1384 var name = this._name
1385 var array = vmodel.$events[name] //刷新值
1387 fireDependencies(array) //同步视图
1388 EventBus.$fire.call(vmodel, name, value, oldValue) //触发$watch回调
1392 function accessorFactory(accessor, name) {
1393 accessor._name = name
1395 accessor.updateValue = globalUpdateValue
1396 accessor.notify = globalNotify
1400 var isEqual = Object.is || function (v1, v2) {
1401 if (v1 === 0 && v2 === 0) {
1402 return 1 / v1 === 1 / v2
1403 } else if (v1 !== v1) {
1410 function isObservable(name, value, $skipArray) {
1411 if (isFunction(value) || value && value.nodeType) {
1414 if ($skipArray.indexOf(name) !== -1) {
1417 var $special = $skipArray.$special
1418 if (name && name.charAt(0) === "$" && !$special[name]) {
1424 var descriptorFactory = W3C ? function (obj) {
1425 var descriptors = {}
1426 for (var i in obj) {
1439 //===================修复浏览器对Object.defineProperties的支持=================
1441 if ("__defineGetter__" in avalon) {
1442 defineProperty = function (obj, prop, desc) {
1443 if ('value' in desc) {
1444 obj[prop] = desc.value
1446 if ("get" in desc) {
1447 obj.__defineGetter__(prop, desc.get)
1449 if ('set' in desc) {
1450 obj.__defineSetter__(prop, desc.set)
1454 defineProperties = function (obj, descs) {
1455 for (var prop in descs) {
1456 if (descs.hasOwnProperty(prop)) {
1457 defineProperty(obj, prop, descs[prop])
1464 var VBClassPool = {}
1465 window.execScript([// jshint ignore:line
1466 "Function parseVB(code)",
1467 "\tExecuteGlobal(code)",
1468 "End Function" //转换一段文本为VB代码
1469 ].join("\n"), "VBScript")
1470 function VBMediator(instance, accessors, name, value) {// jshint ignore:line
1471 var accessor = accessors[name]
1472 if (arguments.length === 4) {
1473 accessor.call(instance, value)
1475 return accessor.call(instance)
1478 defineProperties = function (name, accessors, properties) {
1479 // jshint ignore:line
1482 "\r\n\tPrivate [__data__], [__proxy__]",
1483 "\tPublic Default Function [__const__](d, p)",
1484 "\t\tSet [__data__] = d: set [__proxy__] = p",
1485 "\t\tSet [__const__] = Me", //链式调用
1487 //添加普通属性,因为VBScript对象不能像JS那样随意增删属性,必须在这里预先定义好
1488 for (name in properties) {
1489 if (!accessors.hasOwnProperty(name)) {
1490 buffer.push("\tPublic [" + name + "]")
1493 $$skipArray.forEach(function (name) {
1494 if (!accessors.hasOwnProperty(name)) {
1495 buffer.push("\tPublic [" + name + "]")
1498 buffer.push("\tPublic [" + 'hasOwnProperty' + "]")
1500 for (name in accessors) {
1502 //由于不知对方会传入什么,因此set, let都用上
1503 "\tPublic Property Let [" + name + "](val" + expose + ")", //setter
1504 "\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
1506 "\tPublic Property Set [" + name + "](val" + expose + ")", //setter
1507 "\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
1509 "\tPublic Property Get [" + name + "]", //getter
1510 "\tOn Error Resume Next", //必须优先使用set语句,否则它会误将数组当字符串返回
1511 "\t\tSet[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
1512 "\tIf Err.Number <> 0 Then",
1513 "\t\t[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
1515 "\tOn Error Goto 0",
1520 buffer.push("End Class")
1521 var body = buffer.join("\r\n")
1522 var className =VBClassPool[body]
1524 className = generateID("VBClass")
1525 window.parseVB("Class " + className + body)
1527 "Function " + className + "Factory(a, b)", //创建实例并传入两个关键的参数
1529 "\tSet o = (New " + className + ")(a, b)",
1530 "\tSet " + className + "Factory = o",
1533 VBClassPool[body] = className
1535 var ret = window[className + "Factory"](accessors, VBMediator) //得到其产品
1541 /*********************************************************************
1542 * 监控数组(与ms-each, ms-repeat配合使用) *
1543 **********************************************************************/
1545 function arrayFactory(model) {
1547 array.$id = generateID()
1548 array.$model = model //数据模型
1550 array.$events[subscribers] = []
1551 array._ = modelFactory({
1552 length: model.length
1554 array._.$watch("length", function (a, b) {
1555 array.$fire("length", a, b)
1557 for (var i in EventBus) {
1558 array[i] = EventBus[i]
1560 avalon.mix(array, arrayPrototype)
1564 function mutateArray(method, pos, n, index, method2, pos2, n2) {
1565 var oldLen = this.length, loop = 2
1569 /* jshint ignore:start */
1570 var array = this.$model.slice(pos, pos + n).map(function (el) {
1571 if (rcomplexType.test(avalon.type(el))) {
1572 return el.$id ? el : modelFactory(el, 0, el)
1577 /* jshint ignore:end */
1578 _splice.apply(this, [pos, 0].concat(array))
1579 this._fire("add", pos, n)
1582 var ret = this._splice(pos, n)
1583 this._fire("del", pos, n)
1594 this._fire("index", index)
1595 if (this.length !== oldLen) {
1596 this._.length = this.length
1601 var _splice = ap.splice
1602 var arrayPrototype = {
1604 _fire: function (method, a, b) {
1605 fireDependencies(this.$events[subscribers], method, a, b)
1607 size: function () { //取得数组长度,这个函数可以同步视图,length不能
1608 return this._.length
1610 pushArray: function (array) {
1611 var m = array.length, n = this.length
1613 ap.push.apply(this.$model, array)
1614 mutateArray.call(this, "add", n, m, Math.max(0, n - 1))
1619 //http://jsperf.com/closure-with-arguments
1621 var i, n = arguments.length
1622 for (i = 0; i < n; i++) {
1623 array[i] = arguments[i]
1625 return this.pushArray(array)
1627 unshift: function () {
1628 var m = arguments.length, n = this.length
1630 ap.unshift.apply(this.$model, arguments)
1631 mutateArray.call(this, "add", 0, m, 0)
1633 return m + n //IE67的unshift不会返回长度
1635 shift: function () {
1637 var el = this.$model.shift()
1638 mutateArray.call(this, "del", 0, 1, 0)
1639 return el //返回被移除的元素
1645 var el = this.$model.pop()
1646 mutateArray.call(this, "del", n - 1, 1, Math.max(0, n - 2))
1647 return el //返回被移除的元素
1650 splice: function (start) {
1651 var m = arguments.length, args = [], change
1652 var removed = _splice.apply(this.$model, arguments)
1653 if (removed.length) { //如果用户删掉了元素
1654 args.push("del", start, removed.length, 0)
1657 if (m > 2) { //如果用户添加了元素
1659 args.splice(3, 1, 0, "add", start, m - 2)
1661 args.push("add", start, m - 2, 0)
1665 if (change) { //返回被移除的元素
1666 return mutateArray.apply(this, args)
1671 contains: function (el) { //判定是否包含
1672 return this.indexOf(el) !== -1
1674 remove: function (el) { //移除第一个等于给定值的元素
1675 return this.removeAt(this.indexOf(el))
1677 removeAt: function (index) { //移除指定索引上的元素
1679 this.$model.splice(index, 1)
1680 return mutateArray.call(this, "del", index, 1, 0)
1684 clear: function () {
1685 this.$model.length = this.length = this._.length = 0 //清空数组
1686 this._fire("clear", 0)
1689 removeAll: function (all) { //移除N个元素
1690 if (Array.isArray(all)) {
1691 for (var i = this.length - 1; i >= 0; i--) {
1692 if (all.indexOf(this[i]) !== -1) {
1696 } else if (typeof all === "function") {
1697 for ( i = this.length - 1; i >= 0; i--) {
1707 ensure: function (el) {
1708 if (!this.contains(el)) { //只有不存在才push
1713 set: function (index, val) {
1715 var valueType = avalon.type(val)
1716 if (val && val.$model) {
1719 var target = this[index]
1720 if (valueType === "object") {
1721 for (var i in val) {
1722 if (target.hasOwnProperty(i)) {
1726 } else if (valueType === "array") {
1727 target.clear().push.apply(target, val)
1728 } else if (target !== val) {
1730 this.$model[index] = val
1731 this._fire("set", index, val)
1737 //相当于原来bindingExecutors.repeat 的index分支
1738 function resetIndex(array, pos) {
1739 var last = array.length - 1
1740 for (var el; el = array[pos]; pos++) {
1742 el.$first = pos === 0
1743 el.$last = pos === last
1747 function sortByIndex(array, indexes) {
1749 for (var i = 0, n = indexes.length; i < n; i++) {
1750 map[i] = array[i] // preserve
1761 "sort,reverse".replace(rword, function (method) {
1762 arrayPrototype[method] = function () {
1763 var newArray = this.$model//这是要排序的新数组
1764 var oldArray = newArray.concat() //保持原来状态的旧数组
1765 var mask = Math.random()
1768 ap[method].apply(newArray, arguments) //排序
1769 for (var i = 0, n = oldArray.length; i < n; i++) {
1770 var neo = newArray[i]
1771 var old = oldArray[i]
1772 if (isEqual(neo, old)) {
1775 var index = oldArray.indexOf(neo)
1776 indexes.push(index)//得到新数组的每个元素在旧数组对应的位置
1777 oldArray[index] = mask //屏蔽已经找过的元素
1782 sortByIndex(this, indexes)
1783 // sortByIndex(this.$proxy, indexes)
1784 this._fire("move", indexes)
1785 this._fire("index", 0)
1792 /*********************************************************************
1794 **********************************************************************/
1796 var dependencyDetection = (function () {
1797 var outerFrames = []
1800 begin: function (accessorObject) {
1801 //accessorObject为一个拥有callback的对象
1802 outerFrames.push(currentFrame)
1803 currentFrame = accessorObject
1806 currentFrame = outerFrames.pop()
1808 collectDependency: function (vmodel, accessor) {
1810 //被dependencyDetection.begin调用
1811 currentFrame.callback(vmodel, accessor);
1816 //将绑定对象注入到其依赖项的订阅数组中
1817 var ronduplex = /^(duplex|on)$/
1818 avalon.injectBinding = function (data) {
1819 var valueFn = data.evaluator
1820 if (valueFn) { //如果是求值函数
1821 dependencyDetection.begin({
1822 callback: function (vmodel, dependency) {
1823 injectDependency(vmodel.$events[dependency._name], data)
1827 var value = ronduplex.test(data.type) ? data : valueFn.apply(0, data.args)
1828 if(value === void 0){
1829 delete data.evaluator
1831 data.handler(value, data.element, data)
1833 //log("warning:exception throwed in [avalon.injectBinding] " + e)
1834 delete data.evaluator
1835 var node = data.element
1836 if (node.nodeType === 3) {
1837 var parent = node.parentNode
1838 if (kernel.commentInterpolate) {
1839 parent.replaceChild(DOC.createComment(data.value), node)
1841 node.data = openTag + (data.oneTime ? "::" : "") + data.value + closeTag
1845 dependencyDetection.end()
1850 //将依赖项(比它高层的访问器或构建视图刷新函数的绑定对象)注入到订阅者数组
1851 function injectDependency(list, data) {
1854 if (list && avalon.Array.ensure(list, data) && data.element) {
1855 injectDisposeQueue(data, list)
1859 //通知依赖于这个访问器的订阅者更新自身
1860 function fireDependencies(list) {
1861 if (list && list.length) {
1862 if (new Date() - beginTime > 444 && typeof list[0] === "object") {
1863 rejectDisposeQueue()
1865 var args = aslice.call(arguments, 1)
1866 for (var i = list.length, fn; fn = list[--i]; ) {
1868 if (el && el.parentNode) {
1870 var valueFn = fn.evaluator
1872 fn.handler.apply(fn, args) //处理监控数组的方法
1873 }else if("$repeat" in fn || !valueFn ){//如果没有eval,先eval
1874 bindingHandlers[fn.type](fn, fn.vmodels)
1875 } else if (fn.type !== "on") { //事件绑定只能由用户触发,不能由程序触发
1876 var value = valueFn.apply(0, fn.args || [])
1877 fn.handler(value, el, fn)
1884 /*********************************************************************
1886 **********************************************************************/
1887 var disposeCount = 0
1888 var disposeQueue = avalon.$$subscribers = []
1889 var beginTime = new Date()
1892 function getUid(obj, makeID) { //IE9+,标准浏览器
1893 if (!obj.uuid && !makeID) {
1894 obj.uuid = ++disposeCount
1895 uuid2Node[obj.uuid] = obj
1899 function getNode(uuid) {
1900 return uuid2Node[uuid]
1903 function injectDisposeQueue(data, list) {
1904 var elem = data.element
1906 if (elem.nodeType !== 1) {
1907 data.uuid = data.type + (data.pos || 0) + "-" + getUid(elem.parentNode)
1909 data.uuid = data.name + "-" + getUid(elem)
1912 var lists = data.lists || (data.lists = [])
1913 avalon.Array.ensure(lists, list)
1914 list.$uuid = list.$uuid || generateID()
1915 if (!disposeQueue[data.uuid]) {
1916 disposeQueue[data.uuid] = 1
1917 disposeQueue.push(data)
1921 function rejectDisposeQueue(data) {
1922 if (avalon.optimize)
1924 var i = disposeQueue.length
1927 var iffishTypes = {}
1929 //对页面上所有绑定对象进行分门别类, 只检测个数发生变化的类型
1930 while (data = disposeQueue[--i]) {
1931 var type = data.type
1932 if (newInfo[type]) {
1940 allTypes.forEach(function (type) {
1941 if (oldInfo[type] !== newInfo[type]) {
1942 iffishTypes[type] = 1
1948 while (data = disposeQueue[--i]) {
1951 if (iffishTypes[data.type] && shouldDispose(data.element)) { //如果它没有在DOM树
1952 disposeQueue.splice(i, 1)
1953 delete disposeQueue[data.uuid]
1954 delete uuid2Node[data.element.uuid]
1955 var lists = data.lists
1956 for (var k = 0, list; list = lists[k++]; ) {
1957 avalon.Array.remove(lists, list)
1958 avalon.Array.remove(list, data)
1965 beginTime = new Date()
1968 function disposeData(data) {
1970 data.rollback && data.rollback()
1971 for (var key in data) {
1976 function shouldDispose(el) {
1977 try {//IE下,如果文本节点脱离DOM树,访问parentNode会报错
1978 if (!el.parentNode) {
1985 return el.msRetain ? 0 : (el.nodeType === 1 ? !root.contains(el) : !avalon.contains(root, el))
1988 /************************************************************************
1989 * HTML处理(parseHTML, innerHTML, clearHTML) *
1990 ************************************************************************/
1991 // We have to close these tags to support XHTML
1993 area: [1, "<map>", "</map>"],
1994 param: [1, "<object>", "</object>"],
1995 col: [2, "<table><colgroup>", "</colgroup></table>"],
1996 legend: [1, "<fieldset>", "</fieldset>"],
1997 option: [1, "<select multiple='multiple'>", "</select>"],
1998 thead: [1, "<table>", "</table>"],
1999 tr: [2, "<table>", "</table>"],
2000 td: [3, "<table><tr>", "</tr></table>"],
2001 g: [1, '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">', '</svg>'],
2002 //IE6-8在用innerHTML生成节点时,不能直接创建no-scope元素与HTML5的新标签
2003 _default: W3C ? [0, "", ""] : [1, "X<div>", "</div>"] //div可以不用闭合
2005 tagHooks.th = tagHooks.td
2006 tagHooks.optgroup = tagHooks.option
2007 tagHooks.tbody = tagHooks.tfoot = tagHooks.colgroup = tagHooks.caption = tagHooks.thead
2008 String("circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use").replace(rword, function (tag) {
2009 tagHooks[tag] = tagHooks.g //处理SVG
2011 var rtagName = /<([\w:]+)/ //取得其tagName
2012 var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig
2013 var rcreate = W3C ? /[^\d\D]/ : /(<(?:script|link|style|meta|noscript))/ig
2014 var scriptTypes = oneObject(["", "text/javascript", "text/ecmascript", "application/ecmascript", "application/javascript"])
2015 var rnest = /<(?:tb|td|tf|th|tr|col|opt|leg|cap|area)/ //需要处理套嵌关系的标签
2016 var script = DOC.createElement("script")
2017 var rhtml = /<|&#?\w+;/
2018 avalon.parseHTML = function (html) {
2019 var fragment = avalonFragment.cloneNode(false)
2020 if (typeof html !== "string") {
2023 if (!rhtml.test(html)) {
2024 fragment.appendChild(DOC.createTextNode(html))
2027 html = html.replace(rxhtml, "<$1></$2>").trim()
2028 var tag = (rtagName.exec(html) || ["", ""])[1].toLowerCase(),
2030 wrap = tagHooks[tag] || tagHooks._default,
2031 wrapper = cinerator,
2033 if (!W3C) { //fix IE
2034 html = html.replace(rcreate, "<br class=msNoScope>$1") //在link style script等标签之前添加一个补丁
2036 wrapper.innerHTML = wrap[1] + html + wrap[2]
2037 var els = wrapper.getElementsByTagName("script")
2038 if (els.length) { //使用innerHTML生成的script节点不会发出请求与执行text属性
2039 for (var i = 0, el; el = els[i++]; ) {
2040 if (scriptTypes[el.type]) {
2042 neo = script.cloneNode(false) //FF不能省略参数
2043 ap.forEach.call(el.attributes, function (attr) {
2044 if (attr && attr.specified) {
2045 neo[attr.name] = attr.value //复制其属性
2046 neo.setAttribute(attr.name, attr.value)
2048 }) // jshint ignore:line
2050 el.parentNode.replaceChild(neo, el) //替换节点
2054 if (!W3C) { //fix IE
2055 var target = wrap[1] === "X<div>" ? wrapper.lastChild.firstChild : wrapper.lastChild
2056 if (target && target.tagName === "TABLE" && tag !== "tbody") {
2057 //IE6-7处理 <thead> --> <thead>,<tbody>
2058 //<tfoot> --> <tfoot>,<tbody>
2059 //<table> --> <table><tbody></table>
2060 for (els = target.childNodes, i = 0; el = els[i++]; ) {
2061 if (el.tagName === "TBODY" && !el.innerHTML) {
2062 target.removeChild(el)
2067 els = wrapper.getElementsByTagName("br")
2069 while (el = els[--n]) {
2070 if (el.className === "msNoScope") {
2071 el.parentNode.removeChild(el)
2074 for (els = wrapper.all, i = 0; el = els[i++]; ) { //fix VML
2080 //移除我们为了符合套嵌关系而添加的标签
2081 for (i = wrap[0]; i--; wrapper = wrapper.lastChild) {
2083 while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上!
2084 fragment.appendChild(firstChild)
2089 function isVML(src) {
2090 var nodeName = src.nodeName
2091 return nodeName.toLowerCase() === nodeName && src.scopeName && src.outerText === ""
2094 function fixVML(node) {
2095 if (node.currentStyle.behavior !== "url(#default#VML)") {
2096 node.style.behavior = "url(#default#VML)"
2097 node.style.display = "inline-block"
2098 node.style.zoom = 1 //hasLayout
2101 avalon.innerHTML = function (node, html) {
2102 if (!W3C && (!rcreate.test(html) && !rnest.test(html))) {
2104 node.innerHTML = html
2109 var a = this.parseHTML(html)
2110 this.clearHTML(node).appendChild(a)
2112 avalon.clearHTML = function (node) {
2113 node.textContent = ""
2114 while (node.firstChild) {
2115 node.removeChild(node.firstChild)
2120 /*********************************************************************
2122 **********************************************************************/
2124 function hyphen(target) {
2126 return target.replace(/([a-z\d])([A-Z]+)/g, "$1-$2").toLowerCase()
2129 function camelize(target) {
2130 //提前判断,提高getStyle等的效率
2131 if (!target || target.indexOf("-") < 0 && target.indexOf("_") < 0) {
2135 return target.replace(/[-_][^-_]/g, function(match) {
2136 return match.charAt(1).toUpperCase()
2140 var fakeClassListMethods = {
2141 _toString: function() {
2142 var node = this.node
2143 var cls = node.className
2144 var str = typeof cls === "string" ? cls : cls.baseVal
2145 return str.split(/\s+/).join(" ")
2147 _contains: function(cls) {
2148 return (" " + this + " ").indexOf(" " + cls + " ") > -1
2150 _add: function(cls) {
2151 if (!this.contains(cls)) {
2152 this._set(this + " " + cls)
2155 _remove: function(cls) {
2156 this._set((" " + this + " ").replace(" " + cls + " ", " "))
2158 __set: function(cls) {
2160 var node = this.node
2161 if (rsvg.test(node)) {
2162 //SVG元素的className是一个对象 SVGAnimatedString { baseVal="", animVal=""},只能通过set/getAttribute操作
2163 node.setAttribute("class", cls)
2165 node.className = cls
2167 } //toggle存在版本差异,因此不使用它
2170 function fakeClassList(node) {
2171 if (!("classList" in node)) {
2175 for (var k in fakeClassListMethods) {
2176 node.classList[k.slice(1)] = fakeClassListMethods[k]
2179 return node.classList
2183 "add,remove".replace(rword, function(method) {
2184 avalon.fn[method + "Class"] = function(cls) {
2186 //https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26
2187 if (cls && typeof cls === "string" && el && el.nodeType === 1) {
2188 cls.replace(/\S+/g, function(c) {
2189 fakeClassList(el)[method](c)
2196 hasClass: function(cls) {
2197 var el = this[0] || {}
2198 return el.nodeType === 1 && fakeClassList(el).contains(cls)
2200 toggleClass: function(value, stateVal) {
2201 var className, i = 0
2202 var classNames = String(value).split(/\s+/)
2203 var isBool = typeof stateVal === "boolean"
2204 while ((className = classNames[i++])) {
2205 var state = isBool ? stateVal : !this.hasClass(className)
2206 this[state ? "addClass" : "removeClass"](className)
2210 attr: function(name, value) {
2211 if (arguments.length === 2) {
2212 this[0].setAttribute(name, value)
2215 return this[0].getAttribute(name)
2218 data: function(name, value) {
2219 name = "data-" + hyphen(name || "")
2220 switch (arguments.length) {
2222 this.attr(name, value)
2225 var val = this.attr(name)
2226 return parseData(val)
2229 ap.forEach.call(this[0].attributes, function(attr) {
2232 if (!name.indexOf("data-")) {
2233 name = camelize(name.slice(5))
2234 ret[name] = parseData(attr.value)
2241 removeData: function(name) {
2242 name = "data-" + hyphen(name)
2243 this[0].removeAttribute(name)
2246 css: function(name, value) {
2247 if (avalon.isPlainObject(name)) {
2248 for (var i in name) {
2249 avalon.css(this, i, name[i])
2252 var ret = avalon.css(this, name, value)
2254 return ret !== void 0 ? ret : this
2256 position: function() {
2257 var offsetParent, offset,
2266 if (this.css("position") === "fixed") {
2267 offset = elem.getBoundingClientRect()
2269 offsetParent = this.offsetParent() //得到真正的offsetParent
2270 offset = this.offset() // 得到正确的offsetParent
2271 if (offsetParent[0].tagName !== "HTML") {
2272 parentOffset = offsetParent.offset()
2274 parentOffset.top += avalon.css(offsetParent[0], "borderTopWidth", true)
2275 parentOffset.left += avalon.css(offsetParent[0], "borderLeftWidth", true)
2277 // Subtract offsetParent scroll positions
2278 parentOffset.top -= offsetParent.scrollTop()
2279 parentOffset.left -= offsetParent.scrollLeft()
2282 top: offset.top - parentOffset.top - avalon.css(elem, "marginTop", true),
2283 left: offset.left - parentOffset.left - avalon.css(elem, "marginLeft", true)
2286 offsetParent: function() {
2287 var offsetParent = this[0].offsetParent
2288 while (offsetParent && avalon.css(offsetParent, "position") === "static") {
2289 offsetParent = offsetParent.offsetParent;
2291 return avalon(offsetParent || root)
2293 bind: function(type, fn, phase) {
2294 if (this[0]) { //此方法不会链
2295 return avalon.bind(this[0], type, fn, phase)
2298 unbind: function(type, fn, phase) {
2300 avalon.unbind(this[0], type, fn, phase)
2304 val: function(value) {
2306 if (node && node.nodeType === 1) {
2307 var get = arguments.length === 0
2308 var access = get ? ":get" : ":set"
2309 var fn = valHooks[getValType(node) + access]
2311 var val = fn(node, value)
2313 return (node.value || "").replace(/\r/g, "")
2318 return get ? val : this
2322 function parseData(data) {
2324 if (typeof data === "object")
2326 data = data === "true" ? true :
2327 data === "false" ? false :
2328 data === "null" ? null : +data + "" === data ? +data : rbrace.test(data) ? avalon.parseJSON(data) : data
2332 var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
2333 rvalidchars = /^[\],:{}\s]*$/,
2334 rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
2335 rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
2336 rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g
2337 avalon.parseJSON = window.JSON ? JSON.parse : function(data) {
2338 if (typeof data === "string") {
2341 if (rvalidchars.test(data.replace(rvalidescape, "@")
2342 .replace(rvalidtokens, "]")
2343 .replace(rvalidbraces, ""))) {
2344 return (new Function("return " + data))() // jshint ignore:line
2347 avalon.error("Invalid JSON: " + data)
2352 //生成avalon.fn.scrollLeft, avalon.fn.scrollTop方法
2354 scrollLeft: "pageXOffset",
2355 scrollTop: "pageYOffset"
2356 }, function(method, prop) {
2357 avalon.fn[method] = function(val) {
2358 var node = this[0] || {}, win = getWindow(node),
2359 top = method === "scrollTop"
2360 if (!arguments.length) {
2361 return win ? (prop in win) ? win[prop] : root[method] : node[method]
2364 win.scrollTo(!top ? val : avalon(win).scrollLeft(), top ? val : avalon(win).scrollTop())
2372 function getWindow(node) {
2373 return node.window && node.document ? node : node.nodeType === 9 ? node.defaultView || node.parentWindow : false;
2375 //=============================css相关=======================
2376 var cssHooks = avalon.cssHooks = {}
2377 var prefixes = ["", "-webkit-", "-o-", "-moz-", "-ms-"]
2379 "float": W3C ? "cssFloat" : "styleFloat"
2381 avalon.cssNumber = oneObject("columnCount,order,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom")
2383 avalon.cssName = function(name, host, camelCase) {
2387 host = host || root.style
2388 for (var i = 0, n = prefixes.length; i < n; i++) {
2389 camelCase = camelize(prefixes[i] + name)
2390 if (camelCase in host) {
2391 return (cssMap[name] = camelCase)
2396 cssHooks["@:set"] = function(node, name, value) {
2397 try { //node.style.width = NaN;node.style.width = "xxxxxxx";node.style.width = undefine 在旧式IE下会抛异常
2398 node.style[name] = value
2401 if (window.getComputedStyle) {
2402 cssHooks["@:get"] = function(node, name) {
2403 if (!node || !node.style) {
2404 throw new Error("getComputedStyle要求传入一个节点 " + node)
2406 var ret, styles = getComputedStyle(node, null)
2408 ret = name === "filter" ? styles.getPropertyValue(name) : styles[name]
2410 ret = node.style[name] //其他浏览器需要我们手动取内联样式
2415 cssHooks["opacity:get"] = function(node) {
2416 var ret = cssHooks["@:get"](node, "opacity")
2417 return ret === "" ? "1" : ret
2420 var rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i
2421 var rposition = /^(top|right|bottom|left)$/
2422 var ralpha = /alpha\([^)]*\)/i
2423 var ie8 = !! window.XDomainRequest
2424 var salpha = "DXImageTransform.Microsoft.Alpha"
2426 thin: ie8 ? '1px' : '2px',
2427 medium: ie8 ? '3px' : '4px',
2428 thick: ie8 ? '5px' : '6px'
2430 cssHooks["@:get"] = function(node, name) {
2431 //取得精确值,不过它有可能是带em,pc,mm,pt,%等单位
2432 var currentStyle = node.currentStyle
2433 var ret = currentStyle[name]
2434 if ((rnumnonpx.test(ret) && !rposition.test(ret))) {
2435 //①,保存原有的style.left, runtimeStyle.left,
2436 var style = node.style,
2438 rsLeft = node.runtimeStyle.left
2439 //②由于③处的style.left = xxx会影响到currentStyle.left,
2440 //因此把它currentStyle.left放到runtimeStyle.left,
2441 //runtimeStyle.left拥有最高优先级,不会style.left影响
2442 node.runtimeStyle.left = currentStyle.left
2443 //③将精确值赋给到style.left,然后通过IE的另一个私有属性 style.pixelLeft
2444 //得到单位为px的结果;fontSize的分支见http://bugs.jquery.com/ticket/760
2445 style.left = name === 'fontSize' ? '1em' : (ret || 0)
2446 ret = style.pixelLeft + "px"
2447 //④还原 style.left,runtimeStyle.left
2449 node.runtimeStyle.left = rsLeft
2451 if (ret === "medium") {
2452 name = name.replace("Width", "Style")
2453 //border width 默认值为medium,即使其为0"
2454 if (currentStyle[name] === "none") {
2458 return ret === "" ? "auto" : border[ret] || ret
2460 cssHooks["opacity:set"] = function(node, name, value) {
2461 var style = node.style
2462 var opacity = isFinite(value) && value <= 1 ? "alpha(opacity=" + value * 100 + ")" : ""
2463 var filter = style.filter || "";
2466 //node.filters.alpha.opacity = value * 100
2467 style.filter = (ralpha.test(filter) ?
2468 filter.replace(ralpha, opacity) :
2469 filter + " " + opacity).trim()
2470 if (!style.filter) {
2471 style.removeAttribute("filter")
2474 cssHooks["opacity:get"] = function(node) {
2475 //这是最快的获取IE透明值的方式,不需要动用正则了!
2476 var alpha = node.filters.alpha || node.filters[salpha],
2477 op = alpha && alpha.enabled ? alpha.opacity : 100
2478 return (op / 100) + "" //确保返回的是字符串
2482 "top,left".replace(rword, function(name) {
2483 cssHooks[name + ":get"] = function(node) {
2484 var computed = cssHooks["@:get"](node, name)
2485 return /px$/.test(computed) ? computed :
2486 avalon(node).position()[name] + "px"
2491 position: "absolute",
2492 visibility: "hidden",
2496 var rdisplayswap = /^(none|table(?!-c[ea]).+)/
2498 function showHidden(node, array) {
2499 //http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html
2500 if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0
2501 if (rdisplayswap.test(cssHooks["@:get"](node, "display"))) {
2505 for (var name in cssShow) {
2506 obj[name] = node.style[name]
2507 node.style[name] = cssShow[name]
2511 var parent = node.parentNode
2512 if (parent && parent.nodeType === 1) {
2513 showHidden(parent, array)
2517 "Width,Height".replace(rword, function(name) { //fix 481
2518 var method = name.toLowerCase(),
2519 clientProp = "client" + name,
2520 scrollProp = "scroll" + name,
2521 offsetProp = "offset" + name
2522 cssHooks[method + ":get"] = function(node, which, override) {
2524 if (typeof override === "number") {
2525 boxSizing = override
2527 which = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"]
2528 var ret = node[offsetProp] // border-box 0
2529 if (boxSizing === 2) { // margin-box 2
2530 return ret + avalon.css(node, "margin" + which[0], true) + avalon.css(node, "margin" + which[1], true)
2532 if (boxSizing < 0) { // padding-box -2
2533 ret = ret - avalon.css(node, "border" + which[0] + "Width", true) - avalon.css(node, "border" + which[1] + "Width", true)
2535 if (boxSizing === -4) { // content-box -4
2536 ret = ret - avalon.css(node, "padding" + which[0], true) - avalon.css(node, "padding" + which[1], true)
2540 cssHooks[method + "&get"] = function(node) {
2542 showHidden(node, hidden);
2543 var val = cssHooks[method + ":get"](node)
2544 for (var i = 0, obj; obj = hidden[i++];) {
2546 for (var n in obj) {
2547 if (typeof obj[n] === "string") {
2548 node.style[n] = obj[n]
2554 avalon.fn[method] = function(value) { //会忽视其display
2556 if (arguments.length === 0) {
2557 if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替
2558 return node["inner" + name] || node.document.documentElement[clientProp]
2560 if (node.nodeType === 9) { //取得页面尺寸
2561 var doc = node.documentElement
2562 //FF chrome html.scrollHeight< body.scrollHeight
2563 //IE 标准模式 : html.scrollHeight> body.scrollHeight
2564 //IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点?
2565 return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp])
2567 return cssHooks[method + "&get"](node)
2569 return this.css(method, value)
2572 avalon.fn["inner" + name] = function() {
2573 return cssHooks[method + ":get"](this[0], void 0, -2)
2575 avalon.fn["outer" + name] = function(includeMargin) {
2576 return cssHooks[method + ":get"](this[0], void 0, includeMargin === true ? 2 : 0)
2579 avalon.fn.offset = function() { //取得距离页面左右角的坐标
2585 if (!node || !node.tagName || !node.ownerDocument) {
2588 var doc = node.ownerDocument,
2590 root = doc.documentElement,
2591 win = doc.defaultView || doc.parentWindow
2592 if (!avalon.contains(root, node)) {
2595 //http://hkom.blog1.fc2.com/?mode=m&no=750 body的偏移量是不包含margin的
2596 //我们可以通过getBoundingClientRect来获得元素相对于client的rect.
2597 //http://msdn.microsoft.com/en-us/library/ms536433.aspx
2598 if (node.getBoundingClientRect) {
2599 box = node.getBoundingClientRect() // BlackBerry 5, iOS 3 (original iPhone)
2601 //chrome/IE6: body.scrollTop, firefox/other: root.scrollTop
2602 var clientTop = root.clientTop || body.clientTop,
2603 clientLeft = root.clientLeft || body.clientLeft,
2604 scrollTop = Math.max(win.pageYOffset || 0, root.scrollTop, body.scrollTop),
2605 scrollLeft = Math.max(win.pageXOffset || 0, root.scrollLeft, body.scrollLeft)
2606 // 把滚动距离加到left,top中去。
2607 // IE一些版本中会自动为HTML元素加上2px的border,我们需要去掉它
2608 // http://msdn.microsoft.com/en-us/library/ms533564(VS.85).aspx
2610 top: box.top + scrollTop - clientTop,
2611 left: box.left + scrollLeft - clientLeft
2615 //==================================val相关============================
2617 function getValType(elem) {
2618 var ret = elem.tagName.toLowerCase()
2619 return ret === "input" && /checkbox|radio/.test(elem.type) ? "checked" : ret
2621 var roption = /^<option(?:\s+\w+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s>]+))?)*\s+value[\s=]/i
2623 "option:get": IEVersion ? function(node) {
2624 //在IE11及W3C,如果没有指定value,那么node.value默认为node.text(存在trim作),但IE9-10则是取innerHTML(没trim操作)
2625 //specified并不可靠,因此通过分析outerHTML判定用户有没有显示定义value
2626 return roption.test(node.outerHTML) ? node.value : node.text.trim()
2627 } : function(node) {
2630 "select:get": function(node, value) {
2631 var option, options = node.options,
2632 index = node.selectedIndex,
2633 getter = valHooks["option:get"],
2634 one = node.type === "select-one" || index < 0,
2635 values = one ? null : [],
2636 max = one ? index + 1 : options.length,
2637 i = index < 0 ? max : one ? index : 0
2638 for (; i < max; i++) {
2640 //旧式IE在reset后不会改变selected,需要改用i === index判定
2641 //我们过滤所有disabled的option元素,但在safari5下,如果设置select为disable,那么其所有孩子都disable
2642 //因此当一个元素为disable,需要检测其是否显式设置了disable及其父节点的disable情况
2643 if ((option.selected || i === index) && !option.disabled) {
2644 value = getter(option)
2648 //收集所有selected值组成数组返回
2654 "select:set": function(node, values, optionSet) {
2655 values = [].concat(values) //强制转换为数组
2656 var getter = valHooks["option:get"]
2657 for (var i = 0, el; el = node.options[i++];) {
2658 if ((el.selected = values.indexOf(getter(el)) > -1)) {
2663 node.selectedIndex = -1
2668 /*********************************************************************
2670 **********************************************************************/
2680 var quote = window.JSON && JSON.stringify || function(str) {
2681 return '"' + str.replace(/[\\\"\x00-\x1f]/g, function(a) {
2683 return typeof c === 'string' ? c :
2684 '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
2689 "break,case,catch,continue,debugger,default,delete,do,else,false",
2690 "finally,for,function,if,in,instanceof,new,null,return,switch,this",
2691 "throw,true,try,typeof,var,void,while,with", /* 关键字*/
2692 "abstract,boolean,byte,char,class,const,double,enum,export,extends",
2693 "final,float,goto,implements,import,int,interface,long,native",
2694 "package,private,protected,public,short,static,super,synchronized",
2695 "throws,transient,volatile", /*保留字*/
2696 "arguments,let,yield,undefined" /* ECMA 5 - use strict*/].join(",")
2697 var rrexpstr = /\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g
2698 var rsplit = /[^\w$]+/g
2699 var rkeywords = new RegExp(["\\b" + keywords.replace(/,/g, '\\b|\\b') + "\\b"].join('|'), 'g')
2700 var rnumber = /\b\d[^,]*/g
2701 var rcomma = /^,+|,+$/g
2702 var variablePool = new Cache(512)
2703 var getVariables = function (code) {
2704 var key = "," + code.trim()
2705 var ret = variablePool.get(key)
2710 .replace(rrexpstr, "")
2711 .replace(rsplit, ",")
2712 .replace(rkeywords, "")
2713 .replace(rnumber, "")
2714 .replace(rcomma, "")
2716 return variablePool.put(key, uniqSet(match))
2720 function addAssign(vars, scope, name, data) {
2722 prefix = " = " + name + "."
2723 for (var i = vars.length, prop; prop = vars[--i]; ) {
2724 if (scope.hasOwnProperty(prop)) {
2725 ret.push(prop + prefix + prop)
2726 data.vars.push(prop)
2727 if (data.type === "duplex") {
2728 vars.get = name + "." + prop
2736 function uniqSet(array) {
2739 for (var i = 0; i < array.length; i++) {
2741 var id = el && typeof el.$id === "string" ? el.$id : el
2743 unique[id] = ret.push(el)
2749 var evaluatorPool = new Cache(128)
2751 var rduplex = /\w\[.*\]|\w\.\w/
2752 var rproxy = /(\$proxy\$[a-z]+)\d+$/
2753 var rthimRightParentheses = /\)\s*$/
2754 var rthimOtherParentheses = /\)\s*\|/g
2755 var rquoteFilterName = /\|\s*([$\w]+)/g
2756 var rpatchBracket = /"\s*\["/g
2757 var rthimLeftParentheses = /"\s*\(/g
2758 function parseFilter(val, filters) {
2760 .replace(rthimRightParentheses, "")//处理最后的小括号
2761 .replace(rthimOtherParentheses, function () {//处理其他小括号
2764 .replace(rquoteFilterName, function (a, b) { //处理|及它后面的过滤器的名字
2765 return "[" + quote(b)
2767 .replace(rpatchBracket, function () {
2770 .replace(rthimLeftParentheses, function () {
2773 return "return avalon.filters.$filter(" + val + ", " + filters + ")"
2776 function parseExpr(code, scopes, data) {
2777 var dataType = data.type
2778 var filters = data.filters || ""
2779 var exprId = scopes.map(function (el) {
2780 return String(el.$id).replace(rproxy, "$1")
2781 }) + code + dataType + filters
2782 var vars = getVariables(code).concat(),
2787 //args 是一个对象数组, names 是将要生成的求值函数的参数
2788 scopes = uniqSet(scopes)
2790 for (var i = 0, sn = scopes.length; i < sn; i++) {
2792 var name = "vm" + expose + "_" + i
2794 args.push(scopes[i])
2795 assigns.push.apply(assigns, addAssign(vars, scopes[i], name, data))
2798 if (!assigns.length && dataType === "duplex") {
2801 if (dataType !== "duplex" && (code.indexOf("||") > -1 || code.indexOf("&&") > -1)) {
2802 //https://github.com/RubyLouvre/avalon/issues/583
2803 data.vars.forEach(function (v) {
2804 var reg = new RegExp("\\b" + v + "(?:\\.\\w+|\\[\\w+\\])+", "ig")
2805 code = code.replace(reg, function (_) {
2806 var c = _.charAt(v.length)
2807 var r = IEVersion ? code.slice(arguments[1] + _.length) : RegExp.rightContext
2808 var method = /^\s*\(/.test(r)
2809 if (c === "." || c === "[" || method) {//比如v为aa,我们只匹配aa.bb,aa[cc],不匹配aaa.xxx
2810 var name = "var" + String(Math.random()).replace(/^0\./, "")
2811 if (method) {//array.size()
2812 var array = _.split(".")
2813 if (array.length > 2) {
2814 var last = array.pop()
2815 assigns.push(name + " = " + array.join("."))
2816 return name + "." + last
2821 assigns.push(name + " = " + _)
2829 //---------------args----------------
2831 //---------------cache----------------
2833 var fn = evaluatorPool.get(exprId) //直接从缓存,免得重复生成
2838 prefix = assigns.join(", ")
2840 prefix = "var " + prefix
2842 if (/\S/.test(filters)) { //文本绑定,双工绑定才有过滤器
2843 if (!/text|html/.test(data.type)) {
2844 throw Error("ms-" + data.type + "不支持过滤器")
2846 code = "\nvar ret" + expose + " = " + code + ";\r\n"
2847 code += parseFilter("ret" + expose, filters)
2848 } else if (dataType === "duplex") { //双工绑定
2849 var _body = "'use strict';\nreturn function(vvv){\n\t" +
2851 ";\n\tif(!arguments.length){\n\t\treturn " +
2853 "\n\t}\n\t" + (!rduplex.test(code) ? vars.get : code) +
2856 fn = Function.apply(noop, names.concat(_body))
2857 data.evaluator = evaluatorPool.put(exprId, fn)
2859 log("debug: parse error," + e.message)
2862 } else if (dataType === "on") { //事件绑定
2863 if (code.indexOf("(") === -1) {
2864 code += ".call(this, $event)"
2866 code = code.replace("(", ".call(this,")
2868 names.push("$event")
2869 code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;")
2870 var lastIndex = code.lastIndexOf("\nreturn")
2871 var header = code.slice(0, lastIndex)
2872 var footer = code.slice(lastIndex)
2873 code = header + "\n" + footer
2875 code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;")
2878 fn = Function.apply(noop, names.concat("'use strict';\n" + prefix + code))
2879 data.evaluator = evaluatorPool.put(exprId, fn)
2881 log("debug: parse error," + e.message)
2883 vars = assigns = names = null //释放内存
2890 function parseExprProxy(code, scopes, data, tokens, noRegister) {
2891 if (Array.isArray(tokens)) {
2892 code = tokens.map(function (el) {
2893 return el.expr ? "(" + el.value + ")" : quote(el.value)
2896 parseExpr(code, scopes, data)
2897 if (data.evaluator && !noRegister) {
2898 data.handler = bindingExecutors[data.handlerName || data.type]
2900 //这里非常重要,我们通过判定视图刷新函数的element是否在DOM树决定
2902 avalon.injectBinding(data)
2905 avalon.parseExprProxy = parseExprProxy
2906 /*********************************************************************
2908 **********************************************************************/
2910 avalon.scan = function(elem, vmodel) {
2912 var vmodels = vmodel ? [].concat(vmodel) : []
2913 scanTag(elem, vmodels)
2916 //http://www.w3.org/TR/html5/syntax.html#void-elements
2917 var stopScan = oneObject("area,base,basefont,br,col,command,embed,hr,img,input,link,meta,param,source,track,wbr,noscript,script,style,textarea".toUpperCase())
2919 function checkScan(elem, callback, innerHTML) {
2920 var id = setTimeout(function() {
2921 var currHTML = elem.innerHTML
2923 if (currHTML === innerHTML) {
2926 checkScan(elem, callback, currHTML)
2932 function createSignalTower(elem, vmodel) {
2933 var id = elem.getAttribute("avalonctrl") || vmodel.$id
2934 elem.setAttribute("avalonctrl", id)
2935 vmodel.$events.expr = elem.tagName + '[avalonctrl="' + id + '"]'
2938 var getBindingCallback = function(elem, name, vmodels) {
2939 var callback = elem.getAttribute(name)
2941 for (var i = 0, vm; vm = vmodels[i++]; ) {
2942 if (vm.hasOwnProperty(callback) && typeof vm[callback] === "function") {
2949 function executeBindings(bindings, vmodels) {
2950 for (var i = 0, data; data = bindings[i++]; ) {
2951 data.vmodels = vmodels
2952 bindingHandlers[data.type](data, vmodels)
2953 if (data.evaluator && data.element && data.element.nodeType === 1) { //移除数据绑定,防止被二次解析
2954 //chrome使用removeAttributeNode移除不存在的特性节点时会报错 https://github.com/RubyLouvre/avalon/issues/99
2955 data.element.removeAttribute(data.name)
2961 //https://github.com/RubyLouvre/avalon/issues/636
2962 var mergeTextNodes = IEVersion && window.MutationObserver ? function (elem) {
2963 var node = elem.firstChild, text
2965 var aaa = node.nextSibling
2966 if (node.nodeType === 3) {
2968 text.nodeValue += node.nodeValue
2969 elem.removeChild(node)
2979 var roneTime = /^\s*::/
2980 var rmsAttr = /ms-(\w+)-?(.*)/
2992 var events = oneObject("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit")
2993 var obsoleteAttrs = oneObject("value,title,alt,checked,selected,disabled,readonly,enabled")
2994 function bindingSorter(a, b) {
2995 return a.priority - b.priority
2998 function scanAttr(elem, vmodels, match) {
3000 if (vmodels.length) {
3001 var attributes = getAttributes ? getAttributes(elem) : elem.attributes
3005 for (var i = 0, attr; attr = attributes[i++]; ) {
3006 if (attr.specified) {
3007 if (match = attr.name.match(rmsAttr)) {
3010 var param = match[2] || ""
3011 var value = attr.value
3012 var name = attr.name
3016 } else if (obsoleteAttrs[type]) {
3017 if (type === "enabled") {//吃掉ms-enabled绑定,用ms-disabled代替
3018 log("warning!ms-enabled或ms-attr-enabled已经被废弃")
3020 value = "!(" + value + ")"
3024 name = "ms-" + type + "-"+ param
3025 fixAttrs.push([attr.name, name, value])
3027 msData[name] = value
3028 if (typeof bindingHandlers[type] === "function") {
3029 var newValue = value.replace(roneTime, "")
3030 var oneTime = value !== newValue
3038 uuid: name+"-"+getUid(elem),
3039 //chrome与firefox下Number(param)得到的值不一样 #855
3040 priority: (priorityMap[type] || type.charCodeAt(0) * 10 )+ (Number(param.replace(/\D/g, "")) || 0)
3042 if (type === "html" || type === "text") {
3043 var token = getToken(value)
3044 avalon.mix(binding, token)
3045 binding.filters = binding.filters.replace(rhasHtml, function () {
3046 binding.type = "html"
3049 })// jshint ignore:line
3050 } else if (type === "duplex") {
3051 var hasDuplex = name
3052 } else if (name === "ms-if-loop") {
3053 binding.priority += 100
3055 bindings.push(binding)
3056 if (type === "widget") {
3057 elem.msData = elem.msData || msData
3063 if (bindings.length) {
3064 bindings.sort(bindingSorter)
3065 fixAttrs.forEach(function (arr) {
3066 log("warning!请改用" + arr[1] + "代替" + arr[0] + "!")
3067 elem.removeAttribute(arr[0])
3068 elem.setAttribute(arr[1], arr[2])
3070 //http://bugs.jquery.com/ticket/7071
3071 //在IE下对VML读取type属性,会让此元素所有属性都变成<Failed>
3073 if (msData["ms-attr-checked"]) {
3074 log("warning!一个控件不能同时定义ms-attr-checked与" + hasDuplex)
3076 if (msData["ms-attr-value"]) {
3077 log("warning!一个控件不能同时定义ms-attr-value与" + hasDuplex)
3080 for (i = 0; binding = bindings[i]; i++) {
3082 if (rnoscanAttrBinding.test(type)) {
3083 return executeBindings(bindings.slice(0, i + 1), vmodels)
3084 } else if (scanNode) {
3085 scanNode = !rnoscanNodeBinding.test(type)
3088 executeBindings(bindings, vmodels)
3091 if (scanNode && !stopScan[elem.tagName] && rbind.test(elem.innerHTML.replace(rlt, "<").replace(rgt, ">"))) {
3092 mergeTextNodes && mergeTextNodes(elem)
3093 scanNodeList(elem, vmodels) //扫描子孙元素
3096 var rnoscanAttrBinding = /^if|widget|repeat$/
3097 var rnoscanNodeBinding = /^each|with|html|include$/
3098 //IE67下,在循环绑定中,一个节点如果是通过cloneNode得到,自定义属性的specified为false,无法进入里面的分支,
3099 //但如果我们去掉scanAttr中的attr.specified检测,一个元素会有80+个特性节点(因为它不区分固有属性与自定义属性),很容易卡死页面
3101 var attrPool = new Cache(512)
3102 var rattrs = /\s+(ms-[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g,
3104 rtag = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/i,
3106 //IE6-8解析HTML5新标签,会将它分解两个元素节点与一个文本节点
3107 //<body><section>ddd</section></body>
3108 // window.onload = function() {
3109 // var body = document.body
3110 // for (var i = 0, el; el = body.children[i++]; ) {
3111 // avalon.log(el.outerHTML)
3114 //依次输出<SECTION>, </SECTION>
3115 var getAttributes = function (elem) {
3116 var html = elem.outerHTML
3117 //处理IE6-8解析HTML5新标签的情况,及<br>等半闭合标签outerHTML为空的情况
3118 if (html.slice(0, 2) === "</" || !html.trim()) {
3121 var str = html.match(rtag)[0]
3122 var attributes = [],
3125 var ret = attrPool.get(str)
3129 while (k = rattrs.exec(str)) {
3132 v = (rquote.test(v) ? v.slice(1, -1) : v).replace(ramp, "&")
3134 var name = k[1].toLowerCase()
3135 match = name.match(rmsAttr)
3141 attributes.push(binding)
3143 return attrPool.put(str, attributes)
3147 function scanNodeList(parent, vmodels) {
3148 var nodes = avalon.slice(parent.childNodes)
3149 scanNodeArray(nodes, vmodels)
3152 function scanNodeArray(nodes, vmodels) {
3153 for (var i = 0, node; node = nodes[i++];) {
3154 switch (node.nodeType) {
3156 scanTag(node, vmodels) //扫描元素节点
3157 if (node.msCallback) {
3159 node.msCallback = void 0
3163 if(rexpr.test(node.nodeValue)){
3164 scanText(node, vmodels, i) //扫描文本节点
3172 function scanTag(elem, vmodels, node) {
3173 //扫描顺序 ms-skip(0) --> ms-important(1) --> ms-controller(2) --> ms-if(10) --> ms-repeat(100)
3174 //--> ms-if-loop(110) --> ms-attr(970) ...--> ms-each(1400)-->ms-with(1500)--〉ms-duplex(2000)垫后
3175 var a = elem.getAttribute("ms-skip")
3176 //#360 在旧式IE中 Object标签在引入Flash等资源时,可能出现没有getAttributeNode,innerHTML的情形
3177 if (!elem.getAttributeNode) {
3178 return log("warning " + elem.tagName + " no getAttributeNode method")
3180 var b = elem.getAttributeNode("ms-important")
3181 var c = elem.getAttributeNode("ms-controller")
3182 if (typeof a === "string") {
3184 } else if (node = b || c) {
3185 var newVmodel = avalon.vmodels[node.value]
3189 //ms-important不包含父VM,ms-controller相反
3190 vmodels = node === b ? [newVmodel] : [newVmodel].concat(vmodels)
3191 var name = node.name
3192 elem.removeAttribute(name) //removeAttributeNode不会刷新[ms-controller]样式规则
3193 avalon(elem).removeClass(name)
3194 createSignalTower(elem, newVmodel)
3196 scanAttr(elem, vmodels) //扫描特性节点
3198 var rhasHtml = /\|\s*html(?:\b|$)/,
3202 rstringLiteral = /(['"])(\\\1|.)+?\1/g
3203 function getToken(value) {
3204 if (value.indexOf("|") > 0) {
3205 var scapegoat = value.replace(rstringLiteral, function (_) {
3206 return Array(_.length + 1).join("1")// jshint ignore:line
3208 var index = scapegoat.replace(r11a, "\u1122\u3344").indexOf("|") //干掉所有短路或
3211 filters: value.slice(index),
3212 value: value.slice(0, index),
3224 function scanExpr(str) {
3229 stop = str.indexOf(openTag, start)
3233 value = str.slice(start, stop)
3234 if (value) { // {{ 左边的文本
3241 start = stop + openTag.length
3242 stop = str.indexOf(closeTag, start)
3246 value = str.slice(start, stop)
3247 if (value) { //处理{{ }}插值表达式
3248 tokens.push(getToken(value, start))
3250 start = stop + closeTag.length
3252 value = str.slice(start)
3253 if (value) { //}} 右边的文本
3263 function scanText(textNode, vmodels, index) {
3265 tokens = scanExpr(textNode.data)
3266 if (tokens.length) {
3267 for (var i = 0; token = tokens[i++]; ) {
3268 var node = DOC.createTextNode(token.value) //将文本转换为文本节点,并替换原来的文本节点
3270 token.value = token.value.replace(roneTime, function () {
3271 token.oneTime = true
3275 token.element = node
3276 token.filters = token.filters.replace(rhasHtml, function (a, b,c) {
3279 })// jshint ignore:line
3280 token.pos = index * 1000 + i
3281 bindings.push(token) //收集带有插值表达式的文本
3283 avalonFragment.appendChild(node)
3285 textNode.parentNode.replaceChild(avalonFragment, textNode)
3286 if (bindings.length)
3287 executeBindings(bindings, vmodels)
3291 var bools = ["autofocus,autoplay,async,allowTransparency,checked,controls",
3292 "declare,disabled,defer,defaultChecked,defaultSelected",
3293 "contentEditable,isMap,loop,multiple,noHref,noResize,noShade",
3294 "open,readOnly,selected"
3297 bools.replace(rword, function(name) {
3298 boolMap[name.toLowerCase()] = name
3301 var propMap = { //属性名映射
3302 "accept-charset": "acceptCharset",
3305 "class": "className",
3307 "http-equiv": "httpEquiv"
3310 var anomaly = ["accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan",
3311 "dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight",
3312 "rowSpan,tabIndex,useMap,vSpace,valueType,vAlign"
3314 anomaly.replace(rword, function(name) {
3315 propMap[name.toLowerCase()] = name
3318 var rnoscripts = /<noscript.*?>(?:[\s\S]+?)<\/noscript>/img
3319 var rnoscriptText = /<noscript.*?>([\s\S]+?)<\/noscript>/im
3321 var getXHR = function() {
3322 return new(window.XMLHttpRequest || ActiveXObject)("Microsoft.XMLHTTP") // jshint ignore:line
3325 var templatePool = avalon.templateCache = {}
3327 bindingHandlers.attr = function(data, vmodels) {
3328 var text = data.value.trim(),
3330 if (text.indexOf(openTag) > -1 && text.indexOf(closeTag) > 2) {
3332 if (rexpr.test(text) && RegExp.rightContext === "" && RegExp.leftContext === "") {
3337 if (data.type === "include") {
3338 var elem = data.element
3339 data.includeRendered = getBindingCallback(elem, "data-include-rendered", vmodels)
3340 data.includeLoaded = getBindingCallback(elem, "data-include-loaded", vmodels)
3341 var outer = data.includeReplace = !! avalon(elem).data("includeReplace")
3342 if (avalon(elem).data("includeCache")) {
3343 data.templateCache = {}
3345 data.startInclude = DOC.createComment("ms-include")
3346 data.endInclude = DOC.createComment("ms-include-end")
3348 data.element = data.startInclude
3349 elem.parentNode.insertBefore(data.startInclude, elem)
3350 elem.parentNode.insertBefore(data.endInclude, elem.nextSibling)
3352 elem.insertBefore(data.startInclude, elem.firstChild)
3353 elem.appendChild(data.endInclude)
3356 data.handlerName = "attr" //handleName用于处理多种绑定共用同一种bindingExecutor的情况
3357 parseExprProxy(text, vmodels, data, (simple ? 0 : scanExpr(data.value)))
3360 bindingExecutors.attr = function(val, elem, data) {
3361 var method = data.type,
3362 attrName = data.param
3363 if (method === "css") {
3364 avalon(elem).css(attrName, val)
3365 } else if (method === "attr") {
3367 // ms-attr-class="xxx" vm.xxx="aaa bbb ccc"将元素的className设置为aaa bbb ccc
3368 // ms-attr-class="xxx" vm.xxx=false 清空元素的所有类名
3369 // ms-attr-name="yyy" vm.yyy="ooo" 为元素设置name属性
3370 var toRemove = (val === false) || (val === null) || (val === void 0)
3372 if (!W3C && propMap[attrName]) { //旧式IE下需要进行名字映射
3373 attrName = propMap[attrName]
3375 var bool = boolMap[attrName]
3376 if (typeof elem[bool] === "boolean") {
3377 elem[bool] = !! val //布尔属性必须使用el.xxx = true|false方式设值
3378 if (!val) { //如果为false, IE全系列下相当于setAttribute(xxx,''),会影响到样式,需要进一步处理
3383 return elem.removeAttribute(attrName)
3385 //SVG只能使用setAttribute(xxx, yyy), VML只能使用elem.xxx = yyy ,HTML的固有属性必须elem.xxx = yyy
3386 var isInnate = rsvg.test(elem) ? false : (DOC.namespaces && isVML(elem)) ? true : attrName in elem.cloneNode(false)
3388 elem[attrName] = val+""
3390 elem.setAttribute(attrName, val)
3392 } else if (method === "include" && val) {
3393 var vmodels = data.vmodels
3394 var rendered = data.includeRendered
3395 var loaded = data.includeLoaded
3396 var replace = data.includeReplace
3397 var target = replace ? elem.parentNode : elem
3398 var scanTemplate = function(text) {
3400 var newText = loaded.apply(target, [text].concat(vmodels))
3401 if (typeof newText === "string")
3405 checkScan(target, function() {
3406 rendered.call(target)
3409 var lastID = data.includeLastID
3410 if (data.templateCache && lastID && lastID !== val) {
3411 var lastTemplate = data.templateCache[lastID]
3412 if (!lastTemplate) {
3413 lastTemplate = data.templateCache[lastID] = DOC.createElement("div")
3414 ifGroup.appendChild(lastTemplate)
3417 data.includeLastID = val
3419 var node = data.startInclude.nextSibling
3420 if (node && node !== data.endInclude) {
3421 target.removeChild(node)
3423 lastTemplate.appendChild(node)
3428 var dom = getTemplateNodes(data, val, text)
3429 var nodes = avalon.slice(dom.childNodes)
3430 target.insertBefore(dom, data.endInclude)
3431 scanNodeArray(nodes, vmodels)
3434 if (data.param === "src") {
3435 if (typeof templatePool[val] === "string") {
3436 avalon.nextTick(function() {
3437 scanTemplate(templatePool[val])
3439 } else if (Array.isArray(templatePool[val])) { //#805 防止在循环绑定中发出许多相同的请求
3440 templatePool[val].push(scanTemplate)
3443 xhr.onreadystatechange = function() {
3444 if (xhr.readyState === 4) {
3446 if (s >= 200 && s < 300 || s === 304 || s === 1223) {
3447 var text = xhr.responseText
3448 for (var f = 0, fn; fn = templatePool[val][f++];) {
3451 templatePool[val] = text
3455 templatePool[val] = [scanTemplate]
3456 xhr.open("GET", val, true)
3457 if ("withCredentials" in xhr) {
3458 xhr.withCredentials = true
3460 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")
3464 //IE系列与够新的标准浏览器支持通过ID取得元素(firefox14+)
3465 //http://tjvantoll.com/2012/07/19/dom-element-references-as-global-variables/
3466 var el = val && val.nodeType === 1 ? val : DOC.getElementById(val)
3468 if (el.tagName === "NOSCRIPT" && !(el.innerHTML || el.fixIE78)) { //IE7-8 innerText,innerHTML都无法取得其内容,IE6能取得其innerHTML
3469 xhr = getXHR() //IE9-11与chrome的innerHTML会得到转义的内容,它们的innerText可以
3470 xhr.open("GET", location, false) //谢谢Nodejs 乱炖群 深圳-纯属虚构
3472 //http://bbs.csdn.net/topics/390349046?page=1#post-393492653
3473 var noscripts = DOC.getElementsByTagName("noscript")
3474 var array = (xhr.responseText || "").match(rnoscripts) || []
3475 var n = array.length
3476 for (var i = 0; i < n; i++) {
3477 var tag = noscripts[i]
3478 if (tag) { //IE6-8中noscript标签的innerHTML,innerText是只读的
3479 tag.style.display = "none" //http://haslayout.net/css/noscript-Ghost-Bug
3480 tag.fixIE78 = (array[i].match(rnoscriptText) || ["", " "])[1]
3484 avalon.nextTick(function() {
3485 scanTemplate(el.fixIE78 || el.value || el.innerText || el.innerHTML)
3490 if (!root.hasAttribute && typeof val === "string" && (method === "src" || method === "href")) {
3491 val = val.replace(/&/g, "&") //处理IE67自动转义的问题
3494 if (window.chrome && elem.tagName === "EMBED") {
3495 var parent = elem.parentNode //#525 chrome1-37下embed标签动态设置src不能发生请求
3496 var comment = document.createComment("ms-src")
3497 parent.replaceChild(comment, elem)
3498 parent.replaceChild(elem, comment)
3503 function getTemplateNodes(data, id, text) {
3504 var div = data.templateCache && data.templateCache[id]
3506 var dom = DOC.createDocumentFragment(),
3508 while (firstChild = div.firstChild) {
3509 dom.appendChild(firstChild)
3513 return avalon.parseHTML(text)
3516 //这几个指令都可以使用插值表达式,如ms-src="aaa/{{b}}/{{c}}.html"
3517 "title,alt,src,value,css,include,href".replace(rword, function(name) {
3518 bindingHandlers[name] = bindingHandlers.attr
3520 //根据VM的属性值或表达式的值切换类名,ms-class="xxx yyy zzz:flag"
3521 //http://www.cnblogs.com/rubylouvre/archive/2012/12/17/2818540.html
3522 bindingHandlers["class"] = function(data, vmodels) {
3523 var oldStyle = data.param,
3526 data.handlerName = "class"
3527 if (!oldStyle || isFinite(oldStyle)) {
3528 data.param = "" //去掉数字
3529 var noExpr = text.replace(rexprg, function(a) {
3530 return a.replace(/./g, "0")
3531 //return Math.pow(10, a.length - 1) //将插值表达式插入10的N-1次方来占位
3533 var colonIndex = noExpr.indexOf(":") //取得第一个冒号的位置
3534 if (colonIndex === -1) { // 比如 ms-class="aaa bbb ccc" 的情况
3535 var className = text
3536 } else { // 比如 ms-class-1="ui-state-active:checked" 的情况
3537 className = text.slice(0, colonIndex)
3538 rightExpr = text.slice(colonIndex + 1)
3539 parseExpr(rightExpr, vmodels, data) //决定是添加还是删除
3540 if (!data.evaluator) {
3541 log("debug: ms-class '" + (rightExpr || "").trim() + "' 不存在于VM中")
3544 data._evaluator = data.evaluator
3545 data._args = data.args
3548 var hasExpr = rexpr.test(className) //比如ms-class="width{{w}}"的情况
3550 data.immobileClass = className
3552 parseExprProxy("", vmodels, data, (hasExpr ? scanExpr(className) : 0))
3554 data.immobileClass = data.oldStyle = data.param
3555 parseExprProxy(text, vmodels, data)
3559 bindingExecutors["class"] = function(val, elem, data) {
3560 var $elem = avalon(elem),
3562 if (method === "class" && data.oldStyle) { //如果是旧风格
3563 $elem.toggleClass(data.oldStyle, !! val)
3566 data.toggleClass = data._evaluator ? !! data._evaluator.apply(elem, data._args) : true
3567 data.newClass = data.immobileClass || val
3568 if (data.oldClass && data.newClass !== data.oldClass) {
3569 $elem.removeClass(data.oldClass)
3571 data.oldClass = data.newClass
3574 $elem.toggleClass(data.newClass, data.toggleClass)
3578 if (!data.hasBindEvent) { //确保只绑定一次
3579 var activate = "mouseenter" //在移出移入时切换类名
3580 var abandon = "mouseleave"
3581 if (method === "active") { //在聚焦失焦中切换类名
3582 elem.tabIndex = elem.tabIndex || -1
3583 activate = "mousedown"
3585 var fn0 = $elem.bind("mouseleave", function() {
3586 data.toggleClass && $elem.removeClass(data.newClass)
3589 var fn1 = $elem.bind(activate, function() {
3590 data.toggleClass && $elem.addClass(data.newClass)
3592 var fn2 = $elem.bind(abandon, function() {
3593 data.toggleClass && $elem.removeClass(data.newClass)
3595 data.rollback = function() {
3596 $elem.unbind("mouseleave", fn0)
3597 $elem.unbind(activate, fn1)
3598 $elem.unbind(abandon, fn2)
3600 data.hasBindEvent = true
3607 "hover,active".replace(rword, function(method) {
3608 bindingHandlers[method] = bindingHandlers["class"]
3610 //ms-controller绑定已经在scanTag 方法中实现
3611 //ms-css绑定已由ms-attr绑定实现
3614 // bindingHandlers.data 定义在if.js
3615 bindingExecutors.data = function(val, elem, data) {
3616 var key = "data-" + data.param
3617 if (val && typeof val === "object") {
3620 elem.setAttribute(key, String(val))
3624 var duplexBinding = bindingHandlers.duplex = function(data, vmodels) {
3625 var elem = data.element,
3627 parseExprProxy(data.value, vmodels, data, 0, 1)
3629 data.changed = getBindingCallback(elem, "data-duplex-changed", vmodels) || noop
3630 if (data.evaluator && data.args) {
3632 var casting = oneObject("string,number,boolean,checked")
3633 if (elem.type === "radio" && data.param === "") {
3634 data.param = "checked"
3637 elem.msData["ms-duplex"] = data.value
3639 data.param.replace(/\w+/g, function(name) {
3640 if (/^(checkbox|radio)$/.test(elem.type) && /^(radio|checked)$/.test(name)) {
3641 if (name === "radio")
3642 log("ms-duplex-radio已经更名为ms-duplex-checked")
3644 data.isChecked = true
3646 if (name === "bool") {
3648 log("ms-duplex-bool已经更名为ms-duplex-boolean")
3649 } else if (name === "text") {
3651 log("ms-duplex-text已经更名为ms-duplex-string")
3653 if (casting[name]) {
3656 avalon.Array.ensure(params, name)
3659 params.push("string")
3661 data.param = params.join("-")
3662 data.bound = function(type, callback) {
3663 if (elem.addEventListener) {
3664 elem.addEventListener(type, callback, false)
3666 elem.attachEvent("on" + type, callback)
3668 var old = data.rollback
3669 data.rollback = function() {
3670 elem.avalonSetter = null
3671 avalon.unbind(elem, type, callback)
3675 for (var i in avalon.vmodels) {
3676 var v = avalon.vmodels[i]
3677 v.$fire("avalon-ms-duplex-init", data)
3679 var cpipe = data.pipe || (data.pipe = pipe)
3680 cpipe(null, data, "init")
3681 var tagName = elem.tagName
3682 duplexBinding[tagName] && duplexBinding[tagName](elem, data.evaluator.apply(null, data.args), data)
3685 //不存在 bindingExecutors.duplex
3687 function fixNull(val) {
3688 return val == null ? "" : val
3690 avalon.duplexHooks = {
3692 get: function(val, data) {
3693 return !data.element.oldValue
3697 get: function(val) { //同步到VM
3703 get: function(val) {
3704 return val === "true"
3709 get: function(val, data) {
3710 var number = parseFloat(val)
3711 if (-val === -number) {
3714 var arr = /strong|medium|weak/.exec(data.element.getAttribute("data-duplex-number")) || ["medium"]
3719 return val === "" ? "" : 0
3728 function pipe(val, data, action, e) {
3729 data.param.replace(/\w+/g, function(name) {
3730 var hook = avalon.duplexHooks[name]
3731 if (hook && typeof hook[action] === "function") {
3732 val = hook[action](val, data)
3738 var TimerID, ribbon = []
3740 avalon.tick = function(fn) {
3741 if (ribbon.push(fn) === 1) {
3742 TimerID = setInterval(ticker, 60)
3747 for (var n = ribbon.length - 1; n >= 0; n--) {
3749 if (el() === false) {
3753 if (!ribbon.length) {
3754 clearInterval(TimerID)
3758 var watchValueInTimer = noop
3759 var rmsinput = /text|password|hidden/
3760 new function() { // jshint ignore:line
3761 try { //#272 IE9-IE11, firefox
3763 var aproto = HTMLInputElement.prototype
3764 var bproto = HTMLTextAreaElement.prototype
3765 function newSetter(value) { // jshint ignore:line
3766 setters[this.tagName].call(this, value)
3767 if (rmsinput.test(this.type) && !this.msFocus && this.avalonSetter) {
3771 var inputProto = HTMLInputElement.prototype
3772 Object.getOwnPropertyNames(inputProto) //故意引发IE6-8等浏览器报错
3773 setters["INPUT"] = Object.getOwnPropertyDescriptor(aproto, "value").set
3775 Object.defineProperty(aproto, "value", {
3778 setters["TEXTAREA"] = Object.getOwnPropertyDescriptor(bproto, "value").set
3779 Object.defineProperty(bproto, "value", {
3783 //在chrome 43中 ms-duplex终于不需要使用定时器实现双向绑定了
3784 // http://updates.html5rocks.com/2015/04/DOM-attributes-now-on-the-prototype
3785 // https://docs.google.com/document/d/1jwA8mtClwxI-QJuHT7872Z0pxpZz8PBkf2bGAbsUtqs/edit?pli=1
3786 watchValueInTimer = avalon.tick
3788 } // jshint ignore:line
3790 avalon.bind(DOC, "selectionchange", function(e) {
3791 var el = DOC.activeElement
3792 if (el && typeof el.avalonSetter === "function") {
3798 //处理radio, checkbox, text, textarea, password
3799 duplexBinding.INPUT = function(element, evaluator, data) {
3800 var $type = element.type,
3802 $elem = avalon(element),
3805 function callback(value) {
3806 data.changed.call(this, value, data)
3809 function compositionStart() {
3813 function compositionEnd() {
3816 //当value变化时改变model的值
3817 var updateVModel = function() {
3818 if (composing) //处理中文输入法在minlengh下引发的BUG
3820 var val = element.oldValue = element.value //防止递归调用形成死循环
3821 var lastValue = data.pipe(val, data, "get")
3822 if ($elem.data("duplexObserve") !== false) {
3823 evaluator(lastValue)
3824 callback.call(element, lastValue)
3825 if ($elem.data("duplex-focus")) {
3826 avalon.nextTick(function() {
3832 //当model变化时,它就会改变value的值
3833 data.handler = function() {
3834 var val = data.pipe(evaluator(), data, "set") + "" //fix #673
3835 if (val !== element.oldValue) {
3839 if (data.isChecked || $type === "radio") {
3840 var IE6 = IEVersion === 6
3841 updateVModel = function() {
3842 if ($elem.data("duplexObserve") !== false) {
3843 var lastValue = data.pipe(element.value, data, "get")
3844 evaluator(lastValue)
3845 callback.call(element, lastValue)
3848 data.handler = function() {
3849 var val = evaluator()
3850 var checked = data.isChecked ? !! val : val + "" === element.value
3851 element.oldValue = checked
3853 setTimeout(function() {
3854 //IE8 checkbox, radio是使用defaultChecked控制选中状态,
3855 //并且要先设置defaultChecked后设置checked
3857 element.defaultChecked = checked
3858 element.checked = checked
3861 element.checked = checked
3864 bound("click", updateVModel)
3865 } else if ($type === "checkbox") {
3866 updateVModel = function() {
3867 if ($elem.data("duplexObserve") !== false) {
3868 var method = element.checked ? "ensure" : "remove"
3869 var array = evaluator()
3870 if (!Array.isArray(array)) {
3871 log("ms-duplex应用于checkbox上要对应一个数组")
3874 var val = data.pipe(element.value, data, "get")
3875 avalon.Array[method](array, val)
3876 callback.call(element, array)
3880 data.handler = function() {
3881 var array = [].concat(evaluator()) //强制转换为数组
3882 var val = data.pipe(element.value, data, "get")
3883 element.checked = array.indexOf(val) > -1
3885 bound(W3C ? "change" : "click", updateVModel)
3887 var events = element.getAttribute("data-duplex-event") || "input"
3888 if (element.attributes["data-event"]) {
3889 log("data-event指令已经废弃,请改用data-duplex-event")
3892 function delay(e) { // jshint ignore:line
3893 setTimeout(function() {
3897 events.replace(rword, function(name) {
3900 if (!IEVersion) { // W3C
3901 bound("input", updateVModel)
3903 bound("compositionstart", compositionStart)
3904 bound("compositionend", compositionEnd)
3905 bound("DOMAutoComplete", updateVModel)
3906 } else { //onpropertychange事件无法区分是程序触发还是用户触发
3907 // IE下通过selectionchange事件监听IE9+点击input右边的X的清空行为,及粘贴,剪切,删除行为
3908 if (IEVersion > 8) {
3909 bound("input", updateVModel) //IE9使用propertychange无法监听中文输入改动
3911 bound("propertychange", function(e) { //IE6-8下第一次修改时不会触发,需要使用keydown或selectionchange修正
3912 if (e.propertyName === "value") {
3917 bound("dragend", delay)
3918 //http://www.cnblogs.com/rubylouvre/archive/2013/02/17/2914604.html
3919 //http://www.matts411.com/post/internet-explorer-9-oninput/
3923 bound(name, updateVModel)
3927 bound("focus", function() {
3928 element.msFocus = true
3930 bound("blur", function() {
3931 element.msFocus = false
3934 if (rmsinput.test($type)) {
3935 watchValueInTimer(function() {
3936 if (root.contains(element)) {
3937 if (!element.msFocus && element.oldValue !== element.value) {
3940 } else if (!element.msRetain) {
3946 element.avalonSetter = updateVModel //#765
3949 element.oldValue = element.value
3950 avalon.injectBinding(data)
3951 callback.call(element, element.value)
3953 duplexBinding.TEXTAREA = duplexBinding.INPUT
3954 duplexBinding.SELECT = function(element, evaluator, data) {
3955 var $elem = avalon(element)
3957 function updateVModel() {
3958 if ($elem.data("duplexObserve") !== false) {
3959 var val = $elem.val() //字符串或字符串数组
3960 if (Array.isArray(val)) {
3961 val = val.map(function(v) {
3962 return data.pipe(v, data, "get")
3965 val = data.pipe(val, data, "get")
3967 if (val + "" !== element.oldValue) {
3970 data.changed.call(element, val, data)
3973 data.handler = function() {
3974 var val = evaluator()
3975 val = val && val.$model || val
3976 if (Array.isArray(val)) {
3977 if (!element.multiple) {
3978 log("ms-duplex在<select multiple=true>上要求对应一个数组")
3981 if (element.multiple) {
3982 log("ms-duplex在<select multiple=false>不能对应一个数组")
3986 val = Array.isArray(val) ? val.map(String) : val + ""
3987 if (val + "" !== element.oldValue) {
3989 element.oldValue = val + ""
3992 data.bound("change", updateVModel)
3993 element.msCallback = function() {
3994 avalon.injectBinding(data)
3995 data.changed.call(element, evaluator(), data)
3998 // bindingHandlers.html 定义在if.js
3999 bindingExecutors.html = function (val, elem, data) {
4000 var isHtmlFilter = elem.nodeType !== 1
4001 var parent = isHtmlFilter ? elem.parentNode : elem
4004 val = val == null ? "" : val
4005 if (data.oldText !== val) {
4010 if (elem.nodeType === 3) {
4011 var signature = generateID("html")
4012 parent.insertBefore(DOC.createComment(signature), elem)
4013 data.element = DOC.createComment(signature + ":end")
4014 parent.replaceChild(data.element, elem)
4017 if (typeof val !== "object") {//string, number, boolean
4018 var fragment = avalon.parseHTML(String(val))
4019 } else if (val.nodeType === 11) { //将val转换为文档碎片
4021 } else if (val.nodeType === 1 || val.item) {
4022 var nodes = val.nodeType === 1 ? val.childNodes : val.item
4023 fragment = avalonFragment.cloneNode(true)
4025 fragment.appendChild(nodes[0])
4029 nodes = avalon.slice(fragment.childNodes)
4030 //插入占位符, 如果是过滤器,需要有节制地移除指定的数量,如果是html指令,直接清空
4032 var endValue = elem.nodeValue.slice(0, -4)
4034 var node = elem.previousSibling
4035 if (!node || node.nodeType === 8 && node.nodeValue === endValue) {
4038 parent.removeChild(node)
4041 parent.insertBefore(fragment, elem)
4043 avalon.clearHTML(elem).appendChild(fragment)
4045 scanNodeArray(nodes, data.vmodels)
4047 bindingHandlers["if"] =
4048 bindingHandlers.data =
4049 bindingHandlers.text =
4050 bindingHandlers.html =
4051 function(data, vmodels) {
4052 parseExprProxy(data.value, vmodels, data)
4055 bindingExecutors["if"] = function(val, elem, data) {
4057 if(!elem.parentNode) return
4060 if (elem.nodeType === 8) {
4061 elem.parentNode.replaceChild(data.template, elem)
4062 // animate.enter(data.template, elem.parentNode)
4063 elem = data.element = data.template //这时可能为null
4065 if (elem.getAttribute(data.name)) {
4066 elem.removeAttribute(data.name)
4067 scanAttr(elem, data.vmodels)
4069 data.rollback = null
4070 } else { //移出DOM树,并用注释节点占据原位置
4071 if (elem.nodeType === 1) {
4072 var node = data.element = DOC.createComment("ms-if")
4073 elem.parentNode.replaceChild(node, elem)
4074 // animate.leave(elem, node.parentNode, node)
4075 data.template = elem //元素节点
4076 ifGroup.appendChild(elem)
4077 data.rollback = function() {
4078 if (elem.parentNode === ifGroup) {
4079 ifGroup.removeChild(elem)
4085 //ms-important绑定已经在scanTag 方法中实现
4086 //ms-include绑定已由ms-attr绑定实现
4088 var rdash = /\(([^)]*)\)/
4089 bindingHandlers.on = function(data, vmodels) {
4090 var value = data.value
4092 var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
4093 if (typeof bindingHandlers.on[eventType + "Hook"] === "function") {
4094 bindingHandlers.on[eventType + "Hook"](data)
4096 if (value.indexOf("(") > 0 && value.indexOf(")") > -1) {
4097 var matched = (value.match(rdash) || ["", ""])[1].trim()
4098 if (matched === "" || matched === "$event") { // aaa() aaa($event)当成aaa处理
4099 value = value.replace(rdash, "")
4102 parseExprProxy(value, vmodels, data)
4105 bindingExecutors.on = function(callback, elem, data) {
4106 callback = function(e) {
4107 var fn = data.evaluator || noop
4108 return fn.apply(this, data.args.concat(e))
4110 var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
4111 if (eventType === "scan") {
4112 callback.call(elem, {
4115 } else if (typeof data.specialBind === "function") {
4116 data.specialBind(elem, callback)
4118 var removeFn = avalon.bind(elem, eventType, callback)
4120 data.rollback = function() {
4121 if (typeof data.specialUnbind === "function") {
4122 data.specialUnbind()
4124 avalon.unbind(elem, eventType, removeFn)
4128 bindingHandlers.repeat = function (data, vmodels) {
4129 var type = data.type
4130 parseExprProxy(data.value, vmodels, data, 0, 1)
4134 var $repeat = data.$repeat = data.evaluator.apply(0, data.args || [])
4135 var xtype = avalon.type($repeat)
4136 if (xtype !== "object" && xtype !== "array") {
4138 avalon.log("warning:" + data.value + "只能是对象或数组")
4143 var arr = data.value.split(".") || []
4144 if (arr.length > 1) {
4147 for (var i = 0, v; v = vmodels[i++]; ) {
4148 if (v && v.hasOwnProperty(n)) {
4149 var events = v[n].$events || {}
4150 events[subscribers] = events[subscribers] || []
4151 events[subscribers].push(data)
4157 var elem = data.element
4158 if (elem.nodeType === 1) {
4159 elem.removeAttribute(data.name)
4160 data.sortedCallback = getBindingCallback(elem, "data-with-sorted", vmodels)
4161 data.renderedCallback = getBindingCallback(elem, "data-" + type + "-rendered", vmodels)
4162 var signature = generateID(type)
4163 var start = DOC.createComment(signature)
4164 var end = DOC.createComment(signature + ":end")
4165 data.signature = signature
4166 data.template = avalonFragment.cloneNode(false)
4167 if (type === "repeat") {
4168 var parent = elem.parentNode
4169 parent.replaceChild(end, elem)
4170 parent.insertBefore(start, end)
4171 data.template.appendChild(elem)
4173 while (elem.firstChild) {
4174 data.template.appendChild(elem.firstChild)
4176 elem.appendChild(start)
4177 elem.appendChild(end)
4180 data.handler = bindingExecutors.repeat
4181 data.rollback = function () {
4182 var elem = data.element
4185 data.handler("clear")
4196 if (Array.isArray($repeat)) {
4201 for (i = 0; v = vmodels[i++]; ) {
4202 if (v.hasOwnProperty(check0) && v.hasOwnProperty(check1)) {
4207 var $events = $repeat.$events
4208 var $list = ($events || {})[subscribers]
4209 injectDependency($list, data)
4210 if (xtype === "object") {
4212 $repeat.$proxy || ($repeat.$proxy = {})
4213 data.handler("append", $repeat)
4214 } else if ($repeat.length) {
4215 data.handler("add", 0, $repeat.length)
4219 bindingExecutors.repeat = function (method, pos, el) {
4220 if (!method && this.$with) {
4225 var data = this, start, fragment
4226 var end = data.element
4227 var comments = getComments(data)
4228 var parent = end.parentNode
4229 var proxies = data.proxies
4230 var transation = avalonFragment.cloneNode(false)
4232 case "add": //在pos位置后添加el数组(pos为插入位置,el为要插入的个数)
4235 for (var i = pos; i < n; i++) {
4236 var proxy = eachProxyAgent(i, data)
4237 proxies.splice(i, 0, proxy)
4238 shimController(data, transation, proxy, fragments)
4240 var now = new Date() - 0
4241 avalon.optimize = avalon.optimize || now
4242 for (i = 0; fragment = fragments[i++]; ) {
4243 scanNodeArray(fragment.nodes, fragment.vmodels)
4244 fragment.nodes = fragment.vmodels = null
4246 if (avalon.optimize === now) {
4247 avalon.optimize = null
4249 parent.insertBefore(transation, comments[pos] || end)
4250 avalon.profile("插入操作花费了 " + (new Date - now))
4252 case "del": //将pos后的el个元素删掉(pos, el都是数字)
4253 sweepNodes(comments[pos], comments[pos + el] || end)
4254 var removed = proxies.splice(pos, el)
4255 recycleProxies(removed, "each")
4260 sweepNodes(start, end)
4262 parent.insertBefore(start, end)
4265 recycleProxies(proxies, "each")
4270 var signature = start.nodeValue
4274 sweepNodes(start, end, function () {
4276 if (this.nodeValue === signature) {
4281 sortByIndex(rooms, pos)
4282 sortByIndex(proxies, pos)
4283 while (room = rooms.shift()) {
4284 while (node = room.shift()) {
4285 transation.appendChild(node)
4288 parent.insertBefore(transation, end)
4291 case "index": //将proxies中的第pos个起的所有元素重新索引
4292 var last = proxies.length - 1
4293 for (; el = proxies[pos]; pos++) {
4295 el.$first = pos === 0
4296 el.$last = pos === last
4299 case "set": //将proxies中的第pos个元素的VM设置为el(pos为数字,el任意)
4300 proxy = proxies[pos]
4302 fireDependencies(proxy.$events[data.param || "el"])
4306 var object = data.$repeat //原来第2参数, 被循环对象
4307 var oldProxy = object.$proxy //代理对象组成的hash
4309 now = new Date() - 0
4310 avalon.optimize = avalon.optimize || now
4311 if (flag === "update") {
4312 if (!data.evaluator) {
4313 parseExprProxy(data.value, data.vmodels, data, 0, 1)
4315 object = data.$repeat = data.evaluator.apply(0, data.args || [])
4316 object.$proxy = oldProxy
4318 var pool = object.$proxy || {}
4320 var nodes = data.element.parentNode.childNodes
4322 for (i = 0; node = nodes[i++]; ) {
4323 if (node.nodeValue === data.signature) {
4325 } else if (node.nodeValue === data.signature + ":end") {
4333 var indexNode = [], item
4334 var keyIndex = data.keyIndex || (data.keyIndex = {})
4336 for ( i = 0; i < removed.length; i++) {
4338 if (el.nodeValue === data.signature) {
4339 item = avalonFragment.cloneNode(false)
4340 indexNode.push(item)
4342 item.appendChild(el)
4346 for (var key in object) { //当前对象的所有键名
4347 if (object.hasOwnProperty(key) && key !== "hasOwnProperty" && key !== "$proxy") {
4352 for (var i = 0; key = keys[i++]; ) {
4353 if (!pool.hasOwnProperty(key)) {//添加缺失的代理VM
4354 pool[key] = withProxyAgent(pool[key], key, data)
4356 pool[key].$val = object[key]
4360 for ( key in pool) {
4361 if (keys.indexOf(key) === -1) {//删除没用的代理VM
4362 proxyRecycler(pool[key], withProxyPool) //去掉之前的代理VM
4367 var renderKeys = keys //需要渲染到DOM树去的键名
4368 var end = data.element
4369 if (data.sortedCallback) { //如果有回调,则让它们排序
4370 var keys2 = data.sortedCallback.call(parent, keys)
4371 if (keys2 && Array.isArray(keys2)) {
4376 for (i = 0; i < renderKeys.length; i++) {
4378 if (typeof keyIndex[key] === "number") {
4379 transation.appendChild(indexNode[keyIndex[key]])
4382 shimController(data, transation, pool[key], fragments)
4386 for (i = 0; i < renderKeys.length; i++) {
4387 keyIndex[renderKeys[i]] = i
4390 for (i = 0; fragment = fragments[i++]; ) {
4391 if (fragment.nodes) {
4392 scanNodeArray(fragment.nodes, fragment.vmodels)
4393 fragment.nodes = fragment.vmodels = null
4396 if (avalon.optimize === now) {
4397 avalon.optimize = null
4399 parent.insertBefore(transation, end)
4400 avalon.profile("插入操作花费了 " + (new Date - now))
4403 if (!data.$repeat || data.$repeat.hasOwnProperty("$lock")) //IE6-8 VBScript对象会报错, 有时候data.$repeat不存在
4405 if (method === "clear")
4407 var callback = data.renderedCallback || noop,
4409 if (parent.oldValue && parent.tagName === "SELECT") { //fix #503
4410 avalon(parent).val(parent.oldValue.split(","))
4412 callback.apply(parent, args)
4415 "with,each".replace(rword, function (name) {
4416 bindingHandlers[name] = bindingHandlers.repeat
4419 function shimController(data, transation, proxy, fragments) {
4420 var content = data.template.cloneNode(true)
4421 var nodes = avalon.slice(content.childNodes)
4422 content.insertBefore(DOC.createComment(data.signature), content.firstChild)
4423 transation.appendChild(content)
4424 var nv = [proxy].concat(data.vmodels)
4429 fragments.push(fragment)
4432 function getComments(data) {
4434 var nodes = data.element.parentNode.childNodes
4435 for(var i= 0, node; node = nodes[i++];){
4436 if(node.nodeValue === data.signature){
4438 }else if(node.nodeValue === data.signature+":end"){
4446 //移除掉start与end之间的节点(保留end)
4447 function sweepNodes(start, end, callback) {
4449 var node = end.previousSibling
4452 node.parentNode.removeChild(node)
4453 callback && callback.call(node)
4454 if (node === start) {
4460 // 为ms-each,ms-with, ms-repeat会创建一个代理VM,
4461 // 通过它们保持一个下上文,让用户能调用$index,$first,$last,$remove,$key,$val,$outer等属性与方法
4462 // 所有代理VM的产生,消费,收集,存放通过xxxProxyFactory,xxxProxyAgent, recycleProxies,xxxProxyPool实现
4463 var withProxyPool = []
4464 function withProxyFactory() {
4465 var proxy = modelFactory({
4471 return this.$host[this.$key]
4473 set: function (val) {
4474 this.$host[this.$key] = val
4480 proxy.$id = generateID("$proxy$with")
4484 function withProxyAgent(proxy, key, data) {
4485 proxy = proxy || withProxyPool.pop()
4487 proxy = withProxyFactory()
4489 proxy.$reinitialize()
4491 var host = data.$repeat
4494 proxy.$outer = data.$outer
4496 proxy.$events.$val = host.$events[key]
4504 function recycleProxies(proxies) {
4505 eachProxyRecycler(proxies)
4507 function eachProxyRecycler(proxies) {
4508 proxies.forEach(function (proxy) {
4509 proxyRecycler(proxy, eachProxyPool)
4515 var eachProxyPool = []
4516 function eachProxyFactory(name) {
4523 $remove: avalon.noop
4527 var e = this.$events
4528 var array = e.$index
4529 e.$index = e[name] //#817 通过$index为el收集依赖
4531 return this.$host[this.$index]
4536 set: function (val) {
4538 var e = this.$events
4539 var array = e.$index
4541 this.$host.set(this.$index, val)
4552 var proxy = modelFactory(source, second)
4553 proxy.$id = generateID("$proxy$each")
4557 function eachProxyAgent(index, data) {
4558 var param = data.param || "el",
4560 for (var i = 0, n = eachProxyPool.length; i < n; i++) {
4561 var candidate = eachProxyPool[i]
4562 if (candidate && candidate.hasOwnProperty(param)) {
4564 eachProxyPool.splice(i, 1)
4568 proxy = eachProxyFactory(param)
4570 var host = data.$repeat
4571 var last = host.length - 1
4572 proxy.$index = index
4573 proxy.$first = index === 0
4574 proxy.$last = index === last
4576 proxy.$outer = data.$outer
4577 proxy.$remove = function () {
4578 return host.removeAt(proxy.$index)
4584 function proxyRecycler(proxy, proxyPool) {
4585 for (var i in proxy.$events) {
4586 if (Array.isArray(proxy.$events[i])) {
4587 proxy.$events[i].forEach(function (data) {
4588 if (typeof data === "object")
4590 })// jshint ignore:line
4591 proxy.$events[i].length = 0
4594 proxy.$host = proxy.$outer = {}
4595 if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) {
4599 /*********************************************************************
4601 **********************************************************************/
4602 //ms-skip绑定已经在scanTag 方法中实现
4603 // bindingHandlers.text 定义在if.js
4604 bindingExecutors.text = function(val, elem) {
4605 val = val == null ? "" : val //不在页面上显示undefined null
4606 if (elem.nodeType === 3) { //绑定在文本节点上
4607 try { //IE对游离于DOM树外的节点赋值会报错
4611 if ("textContent" in elem) {
4612 elem.textContent = val
4614 elem.innerText = val
4618 function parseDisplay(nodeName, val) {
4619 //用于取得此类标签的默认display值
4620 var key = "_" + nodeName
4621 if (!parseDisplay[key]) {
4622 var node = DOC.createElement(nodeName)
4623 root.appendChild(node)
4625 val = getComputedStyle(node, null).display
4627 val = node.currentStyle.display
4629 root.removeChild(node)
4630 parseDisplay[key] = val
4632 return parseDisplay[key]
4635 avalon.parseDisplay = parseDisplay
4637 bindingHandlers.visible = function(data, vmodels) {
4638 var elem = data.element
4639 var display = elem.style.display
4640 if(display === "none"){
4641 display = parseDisplay(elem.nodeName)
4643 data.display = display
4644 parseExprProxy(data.value, vmodels, data)
4647 bindingExecutors.visible = function(val, elem, data) {
4648 elem.style.display = val ? data.display : "none"
4650 bindingHandlers.widget = function(data, vmodels) {
4651 var args = data.value.match(rword)
4652 var elem = data.element
4653 var widget = args[0]
4655 if (!id || id === "$") { //没有定义或为$时,取组件名+随机数
4656 id = generateID(widget)
4658 var optName = args[2] || widget //没有定义,取组件名
4659 var constructor = avalon.ui[widget]
4660 if (typeof constructor === "function") { //ms-widget="tabs,tabsAAA,optname"
4661 vmodels = elem.vmodels || vmodels
4662 for (var i = 0, v; v = vmodels[i++];) {
4663 if (v.hasOwnProperty(optName) && typeof v[optName] === "object") {
4664 var vmOptions = v[optName]
4665 vmOptions = vmOptions.$model || vmOptions
4670 var wid = vmOptions[widget + "Id"]
4671 if (typeof wid === "string") {
4672 log("warning!不再支持" + widget + "Id")
4676 //抽取data-tooltip-text、data-tooltip-attr属性,组成一个配置对象
4677 var widgetData = avalon.getWidgetData(elem, widget)
4678 data.value = [widget, id, optName].join(",")
4679 data[widget + "Id"] = id
4680 data.evaluator = noop
4681 elem.msData["ms-widget-id"] = id
4682 var options = data[widget + "Options"] = avalon.mix({}, constructor.defaults, vmOptions || {}, widgetData)
4683 elem.removeAttribute("ms-widget")
4684 var vmodel = constructor(elem, data, vmodels) || {} //防止组件不返回VM
4686 avalon.vmodels[id] = vmodel
4687 createSignalTower(elem, vmodel)
4689 vmodel.$init(function() {
4690 avalon.scan(elem, [vmodel].concat(vmodels))
4691 if (typeof options.onInit === "function") {
4692 options.onInit.call(elem, vmodel, options, vmodels)
4696 data.rollback = function() {
4698 vmodel.widgetElement = null
4702 delete avalon.vmodels[vmodel.$id]
4704 injectDisposeQueue(data, widgetList)
4705 if (window.chrome) {
4706 elem.addEventListener("DOMNodeRemovedFromDocument", function() {
4707 setTimeout(rejectDisposeQueue)
4711 avalon.scan(elem, vmodels)
4713 } else if (vmodels.length) { //如果该组件还没有加载,那么保存当前的vmodels
4714 elem.vmodels = vmodels
4718 //不存在 bindingExecutors.widget
4719 /*********************************************************************
4721 **********************************************************************/
4722 var rscripts = /<script[^>]*>([\S\s]*?)<\/script\s*>/gim
4723 var ron = /\s+(on[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g
4724 var ropen = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/ig
4726 a: /\b(href)\=("javascript[^"]*"|'javascript[^']*')/ig,
4727 img: /\b(src)\=("javascript[^"]*"|'javascript[^']*')/ig,
4728 form: /\b(action)\=("javascript[^"]*"|'javascript[^']*')/ig
4730 var rsurrogate = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g
4731 var rnoalphanumeric = /([^\#-~| |!])/g;
4733 function numberFormat(number, decimals, point, thousands) {
4734 //form http://phpjs.org/functions/number_format/
4736 //decimals 可选,规定多少个小数位。
4737 //point 可选,规定用作小数点的字符串(默认为 . )。
4738 //thousands 可选,规定用作千位分隔符的字符串(默认为 , ),如果设置了该参数,那么所有其他参数都是必需的。
4739 number = (number + '')
4740 .replace(/[^0-9+\-Ee.]/g, '')
4741 var n = !isFinite(+number) ? 0 : +number,
4742 prec = !isFinite(+decimals) ? 3 : Math.abs(decimals),
4743 sep = thousands || ",",
4746 toFixedFix = function(n, prec) {
4747 var k = Math.pow(10, prec)
4748 return '' + (Math.round(n * k) / k)
4751 // Fix for IE parseFloat(0.55).toFixed(0) = 0;
4752 s = (prec ? toFixedFix(n, prec) : '' + Math.round(n))
4754 if (s[0].length > 3) {
4755 s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
4760 s[1] += new Array(prec - s[1].length + 1)
4767 var filters = avalon.filters = {
4768 uppercase: function(str) {
4769 return str.toUpperCase()
4771 lowercase: function(str) {
4772 return str.toLowerCase()
4774 truncate: function(str, length, truncation) {
4775 //length,新字符串长度,truncation,新字符串的结尾的字段,返回新字符串
4776 length = length || 30
4777 truncation = typeof truncation === "string" ? truncation : "..."
4778 return str.length > length ? str.slice(0, length - truncation.length) + truncation : String(str)
4780 $filter: function(val) {
4781 for (var i = 1, n = arguments.length; i < n; i++) {
4782 var array = arguments[i]
4783 var fn = avalon.filters[array.shift()]
4784 if (typeof fn === "function") {
4785 var arr = [val].concat(array)
4786 val = fn.apply(null, arr)
4792 //https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
4793 // <a href="javasc
ript:alert('XSS')">chrome</a>
4794 // <a href="data:text/html;base64, PGltZyBzcmM9eCBvbmVycm9yPWFsZXJ0KDEpPg==">chrome</a>
4795 // <a href="jav ascript:alert('XSS');">IE67chrome</a>
4796 // <a href="jav	ascript:alert('XSS');">IE67chrome</a>
4797 // <a href="jav
ascript:alert('XSS');">IE67chrome</a>
4798 sanitize: function(str) {
4799 return str.replace(rscripts, "").replace(ropen, function(a, b) {
4800 var match = a.toLowerCase().match(/<(\w+)\s/)
4801 if (match) { //处理a标签的href属性,img标签的src属性,form标签的action属性
4802 var reg = rsanitize[match[1]]
4804 a = a.replace(reg, function(s, name, value) {
4805 var quote = value.charAt(0)
4806 return name + "=" + quote + "javascript:void(0)" + quote// jshint ignore:line
4810 return a.replace(ron, " ").replace(/\s+/g, " ") //移除onXXX事件
4813 escape: function(str) {
4814 //将字符串经过 str 转义得到适合在页面中显示的内容, 例如替换 < 为 <
4816 replace(/&/g, '&').
4817 replace(rsurrogate, function(value) {
4818 var hi = value.charCodeAt(0)
4819 var low = value.charCodeAt(1)
4820 return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';'
4822 replace(rnoalphanumeric, function(value) {
4823 return '&#' + value.charCodeAt(0) + ';'
4825 replace(/</g, '<').
4826 replace(/>/g, '>')
4828 currency: function(amount, symbol, fractionSize) {
4829 return (symbol || "\uFFE5") + numberFormat(amount, isFinite(fractionSize) ? fractionSize : 2)
4831 number: numberFormat
4834 'yyyy': 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010)
4835 'yy': 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)
4836 'y': 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199)
4837 'MMMM': Month in year (January-December)
4838 'MMM': Month in year (Jan-Dec)
4839 'MM': Month in year, padded (01-12)
4840 'M': Month in year (1-12)
4841 'dd': Day in month, padded (01-31)
4842 'd': Day in month (1-31)
4843 'EEEE': Day in Week,(Sunday-Saturday)
4844 'EEE': Day in Week, (Sun-Sat)
4845 'HH': Hour in day, padded (00-23)
4846 'H': Hour in day (0-23)
4847 'hh': Hour in am/pm, padded (01-12)
4848 'h': Hour in am/pm, (1-12)
4849 'mm': Minute in hour, padded (00-59)
4850 'm': Minute in hour (0-59)
4851 'ss': Second in minute, padded (00-59)
4852 's': Second in minute (0-59)
4854 'Z': 4 digit (+sign) representation of the timezone offset (-1200-+1200)
4855 format string can also be one of the following predefined localizable formats:
4857 'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale (e.g. Sep 3, 2010 12:05:08 pm)
4858 'short': equivalent to 'M/d/yy h:mm a' for en_US locale (e.g. 9/3/10 12:05 pm)
4859 'fullDate': equivalent to 'EEEE, MMMM d,y' for en_US locale (e.g. Friday, September 3, 2010)
4860 'longDate': equivalent to 'MMMM d, y' for en_US locale (e.g. September 3, 2010
4861 'mediumDate': equivalent to 'MMM d, y' for en_US locale (e.g. Sep 3, 2010)
4862 'shortDate': equivalent to 'M/d/yy' for en_US locale (e.g. 9/3/10)
4863 'mediumTime': equivalent to 'h:mm:ss a' for en_US locale (e.g. 12:05:08 pm)
4864 'shortTime': equivalent to 'h:mm a' for en_US locale (e.g. 12:05 pm)
4866 new function() {// jshint ignore:line
4867 function toInt(str) {
4868 return parseInt(str, 10) || 0
4871 function padNumber(num, digits, trim) {
4878 while (num.length < digits)
4881 num = num.substr(num.length - digits)
4885 function dateGetter(name, size, offset, trim) {
4886 return function(date) {
4887 var value = date["get" + name]()
4888 if (offset > 0 || value > -offset)
4890 if (value === 0 && offset === -12) {
4893 return padNumber(value, size, trim)
4897 function dateStrGetter(name, shortForm) {
4898 return function(date, formats) {
4899 var value = date["get" + name]()
4900 var get = (shortForm ? ("SHORT" + name) : name).toUpperCase()
4901 return formats[get][value]
4905 function timeZoneGetter(date) {
4906 var zone = -1 * date.getTimezoneOffset()
4907 var paddedZone = (zone >= 0) ? "+" : ""
4908 paddedZone += padNumber(Math[zone > 0 ? "floor" : "ceil"](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2)
4913 function ampmGetter(date, formats) {
4914 return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1]
4916 var DATE_FORMATS = {
4917 yyyy: dateGetter("FullYear", 4),
4918 yy: dateGetter("FullYear", 2, 0, true),
4919 y: dateGetter("FullYear", 1),
4920 MMMM: dateStrGetter("Month"),
4921 MMM: dateStrGetter("Month", true),
4922 MM: dateGetter("Month", 2, 1),
4923 M: dateGetter("Month", 1, 1),
4924 dd: dateGetter("Date", 2),
4925 d: dateGetter("Date", 1),
4926 HH: dateGetter("Hours", 2),
4927 H: dateGetter("Hours", 1),
4928 hh: dateGetter("Hours", 2, -12),
4929 h: dateGetter("Hours", 1, -12),
4930 mm: dateGetter("Minutes", 2),
4931 m: dateGetter("Minutes", 1),
4932 ss: dateGetter("Seconds", 2),
4933 s: dateGetter("Seconds", 1),
4934 sss: dateGetter("Milliseconds", 3),
4935 EEEE: dateStrGetter("Day"),
4936 EEE: dateStrGetter("Day", true),
4940 var rdateFormat = /((?:[^yMdHhmsaZE']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z))(.*)/
4941 var raspnetjson = /^\/Date\((\d+)\)\/$/
4942 filters.date = function(date, format) {
4943 var locate = filters.date.locate,
4947 format = format || "mediumDate"
4948 format = locate[format] || format
4949 if (typeof date === "string") {
4950 if (/^\d+$/.test(date)) {
4952 } else if (raspnetjson.test(date)) {
4955 var trimDate = date.trim()
4956 var dateArray = [0, 0, 0, 0, 0, 0, 0]
4957 var oDate = new Date(0)
4959 trimDate = trimDate.replace(/^(\d+)\D(\d+)\D(\d+)/, function(_, a, b, c) {
4960 var array = c.length === 4 ? [c, a, b] : [a, b, c]
4961 dateArray[0] = toInt(array[0]) //年
4962 dateArray[1] = toInt(array[1]) - 1 //月
4963 dateArray[2] = toInt(array[2]) //日
4966 var dateSetter = oDate.setFullYear
4967 var timeSetter = oDate.setHours
4968 trimDate = trimDate.replace(/[T\s](\d+):(\d+):?(\d+)?\.?(\d)?/, function(_, a, b, c, d) {
4969 dateArray[3] = toInt(a) //小时
4970 dateArray[4] = toInt(b) //分钟
4971 dateArray[5] = toInt(c) //秒
4973 dateArray[6] = Math.round(parseFloat("0." + d) * 1000)
4979 trimDate = trimDate.replace(/Z|([+-])(\d\d):?(\d\d)/, function(z, symbol, c, d) {
4980 dateSetter = oDate.setUTCFullYear
4981 timeSetter = oDate.setUTCHours
4983 tzHour = toInt(symbol + c)
4984 tzMin = toInt(symbol + d)
4989 dateArray[3] -= tzHour
4990 dateArray[4] -= tzMin
4991 dateSetter.apply(oDate, dateArray.slice(0, 3))
4992 timeSetter.apply(oDate, dateArray.slice(3))
4996 if (typeof date === "number") {
4997 date = new Date(date)
4999 if (avalon.type(date) !== "date") {
5003 match = rdateFormat.exec(format)
5005 parts = parts.concat(match.slice(1))
5006 format = parts.pop()
5012 parts.forEach(function(value) {
5013 fn = DATE_FORMATS[value]
5014 text += fn ? fn(date, locate) : value.replace(/(^'|'$)/g, "").replace(/''/g, "'")
5055 fullDate: "y年M月d日EEEE",
5057 medium: "yyyy-M-d H:mm:ss",
5058 mediumDate: "yyyy-M-d",
5059 mediumTime: "H:mm:ss",
5060 "short": "yy-M-d ah:mm",
5061 shortDate: "yy-M-d",
5064 locate.SHORTMONTH = locate.MONTH
5065 filters.date.locate = locate
5066 }// jshint ignore:line
5067 /*********************************************************************
5069 **********************************************************************/
5070 //https://www.devbridge.com/articles/understanding-amd-requirejs/
5071 //http://maxogden.com/nested-dependencies.html
5072 var modules = avalon.modules = {
5082 //Object(modules[id]).state拥有如下值
5085 // 2(loading) 已经被执行但还没有执行完成,在这个阶段define方法会被执行
5086 // 3(loaded) 执行完毕,通过onload/onreadystatechange回调判定,在这个阶段checkDeps方法会执行
5087 // 4(execute) 其依赖也执行完毕, 值放到exports对象上,在这个阶段fireFactory方法会执行
5088 modules.exports = modules.avalon
5090 new function () {// jshint ignore:line
5091 var loadings = [] //正在加载中的模块列表
5092 var factorys = [] //放置define方法的factory函数
5093 var rjsext = /\.js$/i
5094 function makeRequest(name, config) {
5097 name = name.replace(/^(\w+)\!/, function (a, b) {
5101 if (res === "ready") {
5102 log("debug: ready!已经被废弃,请使用domReady!")
5105 //2. 去掉querystring, hash
5107 name = name.replace(rquery, function (a) {
5112 var suffix = "." + res
5113 var ext = /js|css/.test(suffix) ? suffix : ""
5114 name = name.replace(/\.[a-z0-9]+$/g, function (a) {
5122 var req = avalon.mix({
5133 function fireRequest(req) {
5136 //1. 如果该模块已经发出请求,直接返回
5137 var module = modules[name]
5138 var urlNoQuery = name && req.urlNoQuery
5139 if (module && module.state >= 1) {
5142 module = modules[urlNoQuery]
5143 if (module && module.state >= 3) {
5144 innerRequire(module.deps || [], module.factory, urlNoQuery)
5147 if (name && !module) {
5148 module = modules[urlNoQuery] = {
5152 var wrap = function (obj) {
5153 resources[res] = obj
5154 obj.load(name, req, function (a) {
5155 if (arguments.length && a !== void 0) {
5163 if (!resources[res]) {
5164 innerRequire([res], wrap)
5166 wrap(resources[res])
5169 return name ? urlNoQuery : res + "!"
5173 var requireQueue = []
5174 var isUserFirstRequire = false
5175 innerRequire = avalon.require = function (array, factory, parentUrl, defineConfig) {
5176 if (!isUserFirstRequire) {
5177 requireQueue.push(avalon.slice(arguments))
5178 if (arguments.length <= 2) {
5179 isUserFirstRequire = true
5180 var queue = requireQueue.splice(0, requireQueue.length), args
5181 while (args = queue.shift()) {
5182 innerRequire.apply(null, args)
5188 if (!Array.isArray(array)) {
5189 avalon.error("require方法的第一个参数应为数组 " + array)
5191 var deps = [] // 放置所有依赖项的完整路径
5193 var id = parentUrl || "callback" + setTimeout("1")// jshint ignore:line
5194 defineConfig = defineConfig || {}
5195 defineConfig.baseUrl = kernel.baseUrl
5196 var isBuilt = !!defineConfig.built
5198 defineConfig.parentUrl = parentUrl.substr(0, parentUrl.lastIndexOf("/"))
5199 defineConfig.mapUrl = parentUrl.replace(rjsext, "")
5202 var req = makeRequest(defineConfig.defineName, defineConfig)
5205 array.forEach(function (name) {
5206 var req = makeRequest(name, defineConfig)
5207 var url = fireRequest(req) //加载资源,并返回该资源的完整地址
5211 uniq[url] = "司徒正美" //去重
5217 var module = modules[id]
5218 if (!module || module.state !== 4) {
5221 deps: isBuilt ? array.concat() : deps,
5222 factory: factory || noop,
5227 //如果此模块是定义在另一个JS文件中, 那必须等该文件加载完毕, 才能放到检测列队中
5234 innerRequire.define = function (name, deps, factory) { //模块名,依赖列表,模块本身
5235 if (typeof name !== "string") {
5240 if (!Array.isArray(deps)) {
5245 built: !isUserFirstRequire, //用r.js打包后,所有define会放到requirejs之前
5248 var args = [deps, factory, config]
5249 factory.require = function (url) {
5250 args.splice(2, 0, url)
5252 modules[url].state = 3 //loaded
5255 isCycle = checkCycle(modules[url].deps, url)
5259 avalon.error(url + "模块与之前的模块存在循环依赖,请不要直接用script标签引入" + url + "模块")
5262 delete factory.require //释放内存
5263 innerRequire.apply(null, args) //0,1,2 --> 1,2,0
5265 //根据标准,所有遵循W3C标准的浏览器,script标签会按标签的出现顺序执行。
5266 //老的浏览器中,加载也是按顺序的:一个文件下载完成后,才开始下载下一个文件。
5267 //较新的浏览器中(IE8+ 、FireFox3.5+ 、Chrome4+ 、Safari4+),为了减小请求时间以优化体验,
5268 //下载可以是并行的,但是执行顺序还是按照标签出现的顺序。
5269 //但如果script标签是动态插入的, 就未必按照先请求先执行的原则了,目测只有firefox遵守
5270 //唯一比较一致的是,IE10+及其他标准浏览器,一旦开始解析脚本, 就会一直堵在那里,直接脚本解析完毕
5271 //亦即,先进入loading阶段的script标签(模块)必然会先进入loaded阶段
5272 var url = config.built ? "unknown" : getCurrentScript()
5274 var module = modules[url]
5278 factory.require(url)
5279 } else {//合并前后的safari,合并后的IE6-9走此分支
5280 factorys.push(factory)
5283 //核心API之三 require.config(settings)
5284 innerRequire.config = kernel
5285 //核心API之四 define.amd 标识其符合AMD规范
5286 innerRequire.define.amd = modules
5288 //==========================对用户配置项进行再加工==========================
5289 var allpaths = kernel["orig.paths"] = {}
5290 var allmaps = kernel["orig.map"] = {}
5291 var allpackages = kernel["packages"] = []
5292 var allargs = kernel["orig.args"] = {}
5293 avalon.mix(plugins, {
5294 paths: function (hash) {
5295 avalon.mix(allpaths, hash)
5296 kernel.paths = makeIndexArray(allpaths)
5298 map: function (hash) {
5299 avalon.mix(allmaps, hash)
5300 var list = makeIndexArray(allmaps, 1, 1)
5301 avalon.each(list, function (_, item) {
5302 item.val = makeIndexArray(item.val)
5306 packages: function (array) {
5307 array = array.concat(allpackages)
5310 for (var i = 0, pkg; pkg = array[i++]; ) {
5311 pkg = typeof pkg === "string" ? {name: pkg} : pkg
5314 var url = joinPath(pkg.location || name, pkg.main || "main")
5315 url = url.replace(rjsext, "")
5317 uniq[name] = pkg.location = url
5318 pkg.reg = makeMatcher(name)
5321 kernel.packages = ret.sort()
5323 urlArgs: function (hash) {
5324 if (typeof hash === "string") {
5327 avalon.mix(allargs, hash)
5328 kernel.urlArgs = makeIndexArray(allargs, 1)
5330 baseUrl: function (url) {
5331 if (!isAbsUrl(url)) {
5332 var baseElement = head.getElementsByTagName("base")[0]
5334 head.removeChild(baseElement)
5336 var node = DOC.createElement("a")
5338 url = getFullUrl(node, "href")
5340 head.insertBefore(baseElement, head.firstChild)
5344 kernel.baseUrl = url
5346 shim: function (obj) {
5347 for (var i in obj) {
5349 if (Array.isArray(value)) {
5354 if (!value.exportsFn && (value.exports || value.init)) {
5355 value.exportsFn = makeExports(value)
5364 //==============================内部方法=================================
5365 function checkCycle(deps, nick) {
5367 for (var i = 0, id; id = deps[i++]; ) {
5368 if (modules[id].state !== 4 &&
5369 (id === nick || checkCycle(modules[id].deps, nick))) {
5375 function checkFail(node, onError, fuckIE) {
5376 var id = trimQuery(node.src) //检测是否死链
5377 node.onload = node.onreadystatechange = node.onerror = null
5378 if (onError || (fuckIE && modules[id] && !modules[id].state)) {
5379 setTimeout(function () {
5380 head.removeChild(node)
5381 node = null // 处理旧式IE下的循环引用问题
5383 log("debug: 加载 " + id + " 失败" + onError + " " + (!modules[id].state))
5389 function checkDeps() {
5390 //检测此JS模块的依赖是否都已安装完毕,是则安装自身
5391 loop: for (var i = loadings.length, id; id = loadings[--i]; ) {
5392 var obj = modules[id],
5396 for (var j = 0, key; key = deps[j]; j++) {
5397 if (Object(modules[key]).state !== 4) {
5401 //如果deps是空对象或者其依赖的模块的状态都是2
5402 if (obj.state !== 4) {
5403 loadings.splice(i, 1) //必须先移除再安装,防止在IE下DOM树建完后手动刷新页面,会多次执行它
5404 fireFactory(obj.id, obj.deps, obj.factory)
5405 checkDeps() //如果成功,则再执行一次,以防有些模块就差本模块没有安装好
5410 var rreadyState = /complete|loaded/
5411 function loadJS(url, id, callback) {
5413 var node = DOC.createElement("script")
5414 node.className = subscribers //让getCurrentScript只处理类名为subscribers的script节点
5415 var supportLoad = "onload" in node
5416 var onEvent = supportLoad ? "onload" : "onreadystatechange"
5418 var factory = factorys.pop()
5419 factory && factory.require(id)
5423 if (checkFail(node, false, !supportLoad)) {
5424 log("debug: 已成功加载 " + url)
5425 id && loadings.push(id)
5429 var index = 0, loadID
5430 node[onEvent] = supportLoad ? onload : function () {
5431 if (rreadyState.test(node.readyState)) {
5434 loadID = setTimeout(onload, 500)
5436 clearTimeout(loadID)
5441 node.onerror = function () {
5442 checkFail(node, true)
5445 head.insertBefore(node, head.firstChild) //chrome下第二个参数不能为null
5446 node.src = url //插入到head的第一个节点前,防止IE6下head标签没闭合前使用appendChild抛错
5447 log("debug: 正准备加载 " + url) //更重要的是IE6下可以收窄getCurrentScript的寻找范围
5450 var resources = innerRequire.plugins = {
5451 //三大常用资源插件 js!, css!, text!, ready!
5456 load: function (name, req, onLoad) {
5458 var id = req.urlNoQuery
5459 var shim = kernel.shim[name.replace(rjsext, "")]
5460 if (shim) { //shim机制
5461 innerRequire(shim.deps || [], function () {
5462 var args = avalon.slice(arguments)
5463 loadJS(url, id, function () {
5464 onLoad(shim.exportsFn ? shim.exportsFn.apply(0, args) : void 0)
5473 load: function (name, req, onLoad) {
5475 var node = DOC.createElement("link")
5476 node.rel = "stylesheet"
5478 head.insertBefore(node, head.firstChild)
5479 log("debug: 已成功加载 " + url)
5484 load: function (name, req, onLoad) {
5487 xhr.onreadystatechange = function () {
5488 if (xhr.readyState === 4) {
5489 var status = xhr.status;
5490 if (status > 399 && status < 600) {
5491 avalon.error(url + " 对应资源不存在或没有开启 CORS")
5493 log("debug: 已成功加载 " + url)
5494 onLoad(xhr.responseText)
5498 var time = "_=" + (new Date() - 0)
5499 var _url = url.indexOf("?") === -1 ? url + "?" + time : url + "&" + time
5500 xhr.open("GET", _url, true)
5501 if ("withCredentials" in xhr) {//这是处理跨域
5502 xhr.withCredentials = true
5504 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")//告诉后端这是AJAX请求
5506 log("debug: 正准备加载 " + url)
5510 innerRequire.checkDeps = checkDeps
5512 var rquery = /(\?[^#]*)$/
5513 function trimQuery(url) {
5514 return (url || "").replace(rquery, "")
5517 function isAbsUrl(path) {
5518 //http://stackoverflow.com/questions/10687099/how-to-test-if-a-url-string-is-absolute-or-relative
5519 return /^(?:[a-z]+:)?\/\//i.test(String(path))
5522 function getFullUrl(node, src) {
5523 return"1"[0] ? node[src] : node.getAttribute(src, 4)
5526 function getCurrentScript() {
5527 // inspireb by https://github.com/samyk/jiagra/blob/master/jiagra.js
5530 a.b.c() //强制报错,以便捕获e.stack
5531 } catch (e) { //safari5的sourceURL,firefox的fileName,它们的效果与e.stack不一样
5533 if (!stack && window.opera) {
5534 //opera 9没有e.stack,但有e.Backtrace,但不能直接取得,需要对e对象转字符串进行抽取
5535 stack = (String(e).match(/of linked script \S+/g) || []).join(" ")
5539 /**e.stack最后一行在所有支持的浏览器大致如下:
5541 * at http://113.93.50.63/data.js:4:1
5543 *@http://113.93.50.63/query.js:4
5544 *opera12:http://www.oldapps.com/opera.php?system=Windows_XP
5545 *@http://113.93.50.63/data.js:4
5547 * at Global code (http://113.93.50.63/data.js:4:1)
5548 * //firefox4+ 可以用document.currentScript
5550 stack = stack.split(/[@ ]/g).pop() //取得最后一行,最后一个空格或@之后的部分
5551 stack = stack[0] === "(" ? stack.slice(1, -1) : stack.replace(/\s/, "") //去掉换行符
5552 return trimQuery(stack.replace(/(:\d+)?:\d+$/i, "")) //去掉行号与或许存在的出错字符起始位置
5554 var nodes = head.getElementsByTagName("script") //只在head标签中寻找
5555 for (var i = nodes.length, node; node = nodes[--i]; ) {
5556 if (node.className === subscribers && node.readyState === "interactive") {
5557 var url = getFullUrl(node, "src")
5558 return node.className = trimQuery(url)
5563 var rcallback = /^callback\d+$/
5564 function fireFactory(id, deps, factory) {
5565 var module = Object(modules[id])
5567 for (var i = 0, array = [], d; d = deps[i++]; ) {
5568 if (d === "exports") {
5569 var obj = module.exports || (module.exports = {})
5572 array.push(modules[d].exports)
5576 var ret = factory.apply(window, array)
5578 log("执行[" + id + "]模块的factory抛错: ", e)
5580 if (ret !== void 0) {
5581 module.exports = ret
5583 if (rcallback.test(id)) {
5586 delete module.factory
5589 function toUrl(id) {
5590 if (id.indexOf(this.res + "!") === 0) {
5591 id = id.slice(this.res.length + 1) //处理define("css!style",[], function(){})的情况
5596 var baseUrl = this.baseUrl
5597 var rootUrl = this.parentUrl || baseUrl
5598 eachIndexArray(id, kernel.paths, function (value, key) {
5599 url = url.replace(key, value)
5602 //2. 是否命中packages配置项
5604 eachIndexArray(id, kernel.packages, function (value, key, item) {
5605 url = url.replace(item.name, item.location)
5610 eachIndexArray(this.mapUrl, kernel.map, function (array) {
5611 eachIndexArray(url, array, function (mdValue, mdKey) {
5612 url = url.replace(mdKey, mdValue)
5618 if (ext && usePath && url.slice(-ext.length) === ext) {
5619 url = url.slice(0, -ext.length)
5622 if (!isAbsUrl(url)) {
5623 rootUrl = this.built || /^\w/.test(url) ? baseUrl : rootUrl
5624 url = joinPath(rootUrl, url)
5627 var urlNoQuery = url + ext
5628 url = urlNoQuery + this.query
5630 eachIndexArray(id, kernel.urlArgs, function (value) {
5631 url += (url.indexOf("?") === -1 ? "?" : "&") + value;
5634 return this.urlNoQuery = urlNoQuery
5637 function makeIndexArray(hash, useStar, part) {
5639 var index = hash2array(hash, useStar, part)
5640 index.sort(descSorterByName)
5644 function makeMatcher(prefix) {
5645 return new RegExp('^' + prefix + '(/|$)')
5648 function makeExports(value) {
5649 return function () {
5652 ret = value.init.apply(window, arguments)
5654 return ret || (value.exports && getGlobal(value.exports))
5659 function hash2array(hash, useStar, part) {
5661 for (var key in hash) {
5662 if (ohasOwn.call(hash, key)) {
5668 item.reg = key === "*" && useStar ? /^/ : makeMatcher(key)
5669 if (part && key !== "*") {
5670 item.reg = new RegExp('\/' + key.replace(/^\//, "") + '(/|$)')
5677 function eachIndexArray(moduleID, array, matcher) {
5679 for (var i = 0, el; el = array[i++]; ) {
5680 if (el.reg.test(moduleID)) {
5681 matcher(el.val, el.name, el)
5686 // 根据元素的name项进行数组字符数逆序的排序函数
5687 function descSorterByName(a, b) {
5696 return bbb.length - aaa.length
5699 var rdeuce = /\/\w+\/\.\./
5700 function joinPath(a, b) {
5701 if (a.charAt(a.length - 1) !== "/") {
5704 if (b.slice(0, 2) === "./") { //相对于兄弟路径
5705 return a + b.slice(2)
5707 if (b.slice(0, 2) === "..") { //相对于父路径
5709 while (rdeuce.test(a)) {
5710 a = a.replace(rdeuce, "")
5714 if (b.slice(0, 1) === "/") {
5715 return a + b.slice(1)
5720 function getGlobal(value) {
5725 value.split(".").forEach(function (part) {
5731 var mainNode = DOC.scripts[DOC.scripts.length - 1]
5732 var dataMain = mainNode.getAttribute("data-main")
5734 plugins.baseUrl(dataMain)
5735 var href = kernel.baseUrl
5736 kernel.baseUrl = href.slice(0, href.lastIndexOf("/") + 1)
5737 loadJS(href.replace(rjsext, "") + ".js")
5739 var loaderUrl = trimQuery(getFullUrl(mainNode, "src"))
5740 kernel.baseUrl = loaderUrl.slice(0, loaderUrl.lastIndexOf("/") + 1)
5742 }// jshint ignore:line
5744 /*********************************************************************
5746 **********************************************************************/
5748 var readyList = [], isReady
5749 var fireReady = function(fn) {
5752 modules["domReady!"].state = 4
5753 innerRequire.checkDeps()
5755 while(fn = readyList.shift()){
5760 function doScrollCheck() {
5761 try { //IE下通过doScrollCheck检测DOM树是否建完
5762 root.doScroll("left")
5765 setTimeout(doScrollCheck)
5769 if (DOC.readyState === "complete") {
5770 setTimeout(fireReady) //如果在domReady之外加载
5772 DOC.addEventListener("DOMContentLoaded", fireReady)
5774 DOC.attachEvent("onreadystatechange", function() {
5775 if (DOC.readyState === "complete") {
5780 var isTop = window.frameElement === null
5783 if (root.doScroll && isTop && window.external) {//fix IE iframe BUG
5787 avalon.bind(window, "load", fireReady)
5789 avalon.ready = function(fn) {
5801 avalon.ready(function() {
5802 avalon.scan(DOC.body)
5805 // Register as a named AMD module, since avalon can be concatenated with other
5806 // files that may use define, but not via a proper concatenation script that
5807 // understands anonymous AMD modules. A named AMD is safest and most robust
5808 // way to register. Lowercase avalon is used because AMD module names are
5809 // derived from file names, and Avalon is normally delivered in a lowercase
5810 // file name. Do this after creating the global so that if an AMD module wants
5811 // to call noConflict to hide this version of avalon, it will work.
5813 // Note that for maximum portability, libraries that are not avalon should
5814 // declare themselves as anonymous modules, and avoid setting a global if an
5815 // AMD loader is present. avalon is a special case. For more information, see
5816 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
5817 if (typeof define === "function" && define.amd) {
5818 define("avalon", [], function() {
5822 // Map over avalon in case of overwrite
5823 var _avalon = window.avalon
5824 avalon.noConflict = function(deep) {
5825 if (deep && window.avalon === avalon) {
5826 window.avalon = _avalon
5830 // Expose avalon identifiers, even in AMD
5831 // and CommonJS for browser emulators
5832 if (noGlobal === void 0) {
5833 window.avalon = avalon