2 /*==================================================
3 Copyright (c) 2013-2015 司徒正美 and other contributors
4 http://www.cnblogs.com/rubylouvre/
5 https://github.com/RubyLouvre
6 http://weibo.com/jslouvre/
8 Released under the MIT license
9 avalon.js 1.45 built in 2015.7.17
10 support IE6+ and other browsers
11 ==================================================*/
12 (function(global, factory) {
14 if (typeof module === "object" && typeof module.exports === "object") {
15 // For CommonJS and CommonJS-like environments where a proper `window`
16 // is present, execute the factory and get avalon.
17 // For environments that do not have a `window` with a `document`
18 // (such as Node.js), expose a factory as module.exports.
19 // This accentuates the need for the creation of a real `window`.
20 // e.g. var avalon = require("avalon")(window);
21 module.exports = global.document ? factory(global, true) : function(w) {
23 throw new Error("Avalon requires a window with a document")
31 // Pass this if window is not defined yet
32 }(typeof window !== "undefined" ? window : this, function(window, noGlobal){
34 /*********************************************************************
36 **********************************************************************/
37 var expose = new Date() - 0
38 //http://stackoverflow.com/questions/7290086/javascript-use-strict-and-nicks-find-global-function
39 var DOC = window.document
40 var head = DOC.getElementsByTagName("head")[0] //HEAD元素
41 var ifGroup = head.insertBefore(document.createElement("avalon"), head.firstChild) //避免IE6 base标签BUG
42 ifGroup.innerHTML = "X<style id='avalonStyle'>.avalonHide{ display: none!important }</style>"
43 ifGroup.setAttribute("ms-skip", "1")
44 ifGroup.className = "avalonHide"
45 var rnative = /\[native code\]/ //判定是否原生函数
47 if (window.console && avalon.config.debug) {
48 // http://stackoverflow.com/questions/8785624/how-to-safely-wrap-console-log
49 Function.apply.call(console.log, console, arguments)
54 var subscribers = "$" + expose
55 var otherRequire = window.require
56 var otherDefine = window.define
58 var stopRepeatAssign = false
59 var rword = /[^, ]+/g //切割字符串为一个个小块,以空格或豆号分开它们,结合replace实现字符串的forEach
60 var rcomplexType = /^(?:object|array)$/
61 var rsvg = /^\[object SVG\w*Element\]$/
62 var rwindow = /^\[object (?:Window|DOMWindow|global)\]$/
63 var oproto = Object.prototype
64 var ohasOwn = oproto.hasOwnProperty
65 var serialize = oproto.toString
66 var ap = Array.prototype
68 var Registry = {} //将函数曝光到此对象上,方便访问器收集依赖
69 var W3C = window.dispatchEvent
70 var root = DOC.documentElement
71 var avalonFragment = DOC.createDocumentFragment()
72 var cinerator = DOC.createElement("div")
74 "Boolean Number String Function Array Date RegExp Object Error".replace(rword, function (name) {
75 class2type["[object " + name + "]"] = name.toLowerCase()
83 function oneObject(array, val) {
84 if (typeof array === "string") {
85 array = array.match(rword) || []
88 value = val !== void 0 ? val : 1
89 for (var i = 0, n = array.length; i < n; i++) {
90 result[array[i]] = value
95 //生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
96 var generateID = function (prefix) {
97 prefix = prefix || "avalon"
98 return String(Math.random() + Math.random()).replace(/\d\.\d{4}/, prefix)
101 if (window.VBArray) {
102 var mode = document.documentMode
103 return mode ? mode : window.XMLHttpRequest ? 7 : 6
110 avalon = function (el) { //创建jQuery式的无new 实例化结构
111 return new avalon.init(el)
114 avalon.profile = function () {
115 if (window.console && avalon.config.profile) {
116 Function.apply.call(console.log, console, arguments)
121 avalon.nextTick = new function () {// jshint ignore:line
122 var tickImmediate = window.setImmediate
123 var tickObserver = window.MutationObserver
124 var tickPost = W3C && window.postMessage
126 return tickImmediate.bind(window)
130 function callback() {
132 for (var i = 0; i < n; i++) {
135 queue = queue.slice(n)
139 var node = document.createTextNode("avalon")
140 new tickObserver(callback).observe(node, {characterData: true})// jshint ignore:line
141 return function (fn) {
143 node.data = Math.random()
148 window.addEventListener("message", function (e) {
149 var source = e.source
150 if ((source === window || source === null) && e.data === "process-tick") {
156 return function (fn) {
158 window.postMessage('process-tick', '*')
162 return function (fn) {
165 }// jshint ignore:line
166 /*********************************************************************
168 **********************************************************************/
169 avalon.init = function (el) {
170 this[0] = this.element = el
172 avalon.fn = avalon.prototype = avalon.init.prototype
174 avalon.type = function (obj) { //取得目标的类型
178 // 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
179 return typeof obj === "object" || typeof obj === "function" ?
180 class2type[serialize.call(obj)] || "object" :
184 var isFunction = typeof alert === "object" ? function (fn) {
186 return /^\s*\bfunction\b/.test(fn + "")
191 return serialize.call(fn) === "[object Function]"
193 avalon.isFunction = isFunction
195 avalon.isWindow = function (obj) {
198 // 利用IE678 window == document为true,document == window竟然为false的神奇特性
199 // 标准浏览器及IE9,IE10等使用 正则检测
200 return obj == obj.document && obj.document != obj //jshint ignore:line
203 function isWindow(obj) {
204 return rwindow.test(serialize.call(obj))
206 if (isWindow(window)) {
207 avalon.isWindow = isWindow
210 for (enu in avalon({})) {
213 var enumerateBUG = enu !== "0" //IE6下为true, 其他为false
214 /*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*/
215 avalon.isPlainObject = function (obj, key) {
216 if (!obj || avalon.type(obj) !== "object" || obj.nodeType || avalon.isWindow(obj)) {
219 try { //IE内置对象没有constructor
220 if (obj.constructor && !ohasOwn.call(obj, "constructor") && !ohasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
223 } catch (e) { //IE8 9会在这里抛错
228 return ohasOwn.call(obj, key)
233 return key === void 0 || ohasOwn.call(obj, key)
235 if (rnative.test(Object.getPrototypeOf)) {
236 avalon.isPlainObject = function (obj) {
237 // 简单的 typeof obj === "object"检测,会致使用isPlainObject(window)在opera下通不过
238 return serialize.call(obj) === "[object Object]" && Object.getPrototypeOf(obj) === oproto
241 //与jQuery.extend方法,可用于浅拷贝,深拷贝
242 avalon.mix = avalon.fn.mix = function () {
243 var options, name, src, copy, copyIsArray, clone,
244 target = arguments[0] || {},
246 length = arguments.length,
249 // 如果第一个参数为布尔,判定是否深拷贝
250 if (typeof target === "boolean") {
252 target = arguments[1] || {}
257 if (typeof target !== "object" && !isFunction(target)) {
261 //如果只有一个参数,那么新成员添加于mix所在的对象上
267 for (; i < length; i++) {
269 if ((options = arguments[i]) != null) {
270 for (name in options) {
273 copy = options[name] //当options为VBS对象时报错
279 if (target === copy) {
282 if (deep && copy && (avalon.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) {
286 clone = src && Array.isArray(src) ? src : []
289 clone = src && avalon.isPlainObject(src) ? src : {}
292 target[name] = avalon.mix(deep, clone, copy)
293 } else if (copy !== void 0) {
302 function _number(a, len) { //用于模拟slice, splice的效果
303 a = Math.floor(a) || 0
304 return a < 0 ? Math.max(len + a, 0) : Math.min(a, len);
308 subscribers: subscribers,
312 slice: W3C ? function (nodes, start, end) {
313 return aslice.call(nodes, start, end)
314 } : function (nodes, start, end) {
316 var len = nodes.length
319 if (typeof end === "number" && isFinite(end)) {
320 start = _number(start, len)
321 end = _number(end, len)
322 for (var i = start; i < end; ++i) {
323 ret[i - start] = nodes[i]
329 /*如果不用Error对象封装一下,str在控制台下可能会乱码*/
330 error: function (str, e) {
331 throw (e || Error)(str)
333 /*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*/
334 oneObject: oneObject,
336 => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
338 => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
339 avalon.range(0, 30, 5)
340 => [0, 5, 10, 15, 20, 25]
341 avalon.range(0, -10, -1)
342 => [0, -1, -2, -3, -4, -5, -6, -7, -8, -9]
345 range: function (start, end, step) { // 用于生成整数数组
352 length = Math.max(0, Math.ceil((end - start) / step)),
353 result = new Array(length)
354 while (++index < length) {
355 result[index] = start
362 bind: function(el, type, fn, phase) {
363 var hooks = avalon.eventHooks
364 var hook = hooks[type]
365 if (typeof hook === "object") {
368 fn = hook.deel(el, type, fn, phase)
371 var callback = W3C ? fn : function(e) {
372 fn.call(el, fixEvent(e));
375 el.addEventListener(type, callback, !!phase)
377 el.attachEvent("on" + type, callback)
382 unbind: function(el, type, fn, phase) {
383 var hooks = avalon.eventHooks
384 var hook = hooks[type]
385 var callback = fn || noop
386 if (typeof hook === "object") {
389 fn = hook.deel(el, type, fn, false)
393 el.removeEventListener(type, callback, !!phase)
395 el.detachEvent("on" + type, callback)
399 css: function (node, name, value) {
400 if (node instanceof avalon) {
403 var prop = /[_-]/.test(name) ? camelize(name) : name, fn
404 name = avalon.cssName(prop) || prop
405 if (value === void 0 || typeof value === "boolean") { //获取样式
406 fn = cssHooks[prop + ":get"] || cssHooks["@:get"]
407 if (name === "background") {
408 name = "backgroundColor"
410 var val = fn(node, name)
411 return value === true ? parseFloat(val) || 0 : val
412 } else if (value === "") { //请除样式
413 node.style[name] = ""
415 if (value == null || value !== value) {
418 if (isFinite(value) && !avalon.cssNumber[prop]) {
421 fn = cssHooks[prop + ":set"] || cssHooks["@:set"]
422 fn(node, name, value)
425 /*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*/
426 each: function (obj, fn) {
427 if (obj) { //排除null, undefined
429 if (isArrayLike(obj)) {
430 for (var n = obj.length; i < n; i++) {
431 if (fn(i, obj[i]) === false)
436 if (obj.hasOwnProperty(i) && fn(i, obj[i]) === false) {
443 //收集元素的data-{{prefix}}-*属性,并转换为对象
444 getWidgetData: function (elem, prefix) {
445 var raw = avalon(elem).data()
448 if (i.indexOf(prefix) === 0) {
449 result[i.replace(prefix, "").replace(/\w/, function (a) {
450 return a.toLowerCase()
457 /*只有当前数组不存在此元素时只添加它*/
458 ensure: function (target, item) {
459 if (target.indexOf(item) === -1) {
460 return target.push(item)
463 /*移除数组中指定位置的元素,返回布尔表示成功与否*/
464 removeAt: function (target, index) {
465 return !!target.splice(index, 1).length
467 /*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*/
468 remove: function (target, item) {
469 var index = target.indexOf(item)
471 return avalon.Array.removeAt(target, index)
477 var bindingHandlers = avalon.bindingHandlers = {}
478 var bindingExecutors = avalon.bindingExecutors = {}
480 /*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*/
481 function isArrayLike(obj) {
485 if (n === (n >>> 0)) { //检测length属性是否为非负整数
486 var type = serialize.call(obj).slice(8, -1)
487 if (/(?:regexp|string|function|window|global)$/i.test(type))
489 if (type === "Array")
492 if ({}.propertyIsEnumerable.call(obj, "length") === false) { //如果是原生对象
493 return /^\s?function/.test(obj.item || obj.callee)
496 } catch (e) { //IE的NodeList直接抛错
497 return !obj.window //IE6-8 window
504 // https://github.com/rsms/js-lru
505 var Cache = new function() {// jshint ignore:line
506 function LRU(maxLength) {
508 this.limit = maxLength
509 this.head = this.tail = void 0
513 var p = LRU.prototype
515 p.put = function(key, value) {
520 this._keymap[key] = entry
522 this.tail.newer = entry
523 entry.older = this.tail
528 if (this.size === this.limit) {
536 p.shift = function() {
537 var entry = this.head
539 this.head = this.head.newer
543 this._keymap[entry.key] = void 0
546 p.get = function(key) {
547 var entry = this._keymap[key]
548 if (entry === void 0)
550 if (entry === this.tail) {
553 // HEAD--------------TAIL
555 // <--- add direction --
558 if (entry === this.head) {
559 this.head = entry.newer
561 entry.newer.older = entry.older // C <-- E.
564 entry.older.newer = entry.newer // C. --> E
566 entry.newer = void 0 // D --x
567 entry.older = this.tail // D. --> E
569 this.tail.newer = entry // E. <-- D
575 }// jshint ignore:line
577 /*********************************************************************
579 **********************************************************************/
581 var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g
582 String.prototype.trim = function () {
583 return this.replace(rtrim, "")
586 var hasDontEnumBug = !({
588 }).propertyIsEnumerable('toString'),
589 hasProtoEnumBug = (function () {
590 }).propertyIsEnumerable('prototype'),
597 "propertyIsEnumerable",
600 dontEnumsLength = dontEnums.length;
602 Object.keys = function (object) { //ecma262v5 15.2.3.14
604 var skipProto = hasProtoEnumBug && typeof object === "function"
605 if (typeof object === "string" || (object && object.callee)) {
606 for (var i = 0; i < object.length; ++i) {
607 theKeys.push(String(i))
610 for (var name in object) {
611 if (!(skipProto && name === "prototype") && ohasOwn.call(object, name)) {
612 theKeys.push(String(name))
617 if (hasDontEnumBug) {
618 var ctor = object.constructor,
619 skipConstructor = ctor && ctor.prototype === object
620 for (var j = 0; j < dontEnumsLength; j++) {
621 var dontEnum = dontEnums[j]
622 if (!(skipConstructor && dontEnum === "constructor") && ohasOwn.call(object, dontEnum)) {
623 theKeys.push(dontEnum)
630 if (!Array.isArray) {
631 Array.isArray = function (a) {
632 return serialize.call(a) === "[object Array]"
637 Function.prototype.bind = function (scope) {
638 if (arguments.length < 2 && scope === void 0)
645 for (i = 1; i < argv.length; i++)
647 for (i = 0; i < arguments.length; i++)
648 args.push(arguments[i])
649 return fn.apply(scope, args)
654 function iterator(vars, body, ret) {
655 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
656 /* jshint ignore:start */
657 return Function("fn,scope", fun)
658 /* jshint ignore:end */
660 if (!rnative.test([].map)) {
662 //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。
663 indexOf: function (item, index) {
669 if (this[i] === item)
674 lastIndexOf: function (item, index) {
676 i = index == null ? n - 1 : index
678 i = Math.max(0, n + i)
680 if (this[i] === item)
684 //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。
685 forEach: iterator("", '_', ""),
686 //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
687 filter: iterator('r=[],j=0,', 'if(_)r[j++]=this[i]', 'return r'),
688 //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。
689 map: iterator('r=[],', 'r[i]=_', 'return r'),
690 //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。
691 some: iterator("", 'if(_)return true', 'return false'),
692 //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。
693 every: iterator("", 'if(!_)return false', 'return true')
696 /*********************************************************************
698 **********************************************************************/
700 function fixContains(root, el) {
701 try { //IE6-8,游离于DOM树外的文本节点,访问parentNode有时会抛错
702 while ((el = el.parentNode))
710 avalon.contains = fixContains
711 //IE6-11的文档对象没有contains
713 DOC.contains = function (b) {
714 return fixContains(DOC, b)
718 function outerHTML() {
719 return new XMLSerializer().serializeToString(this)
722 if (window.SVGElement) {
723 //safari5+是把contains方法放在Element.prototype上而不是Node.prototype
724 if (!DOC.createTextNode("x").contains) {
725 Node.prototype.contains = function (arg) {//IE6-8没有Node对象
726 return !!(this.compareDocumentPosition(arg) & 16)
729 var svgns = "http://www.w3.org/2000/svg"
730 var svg = DOC.createElementNS(svgns, "svg")
731 svg.innerHTML = '<circle cx="50" cy="50" r="40" fill="red" />'
732 if (!rsvg.test(svg.firstChild)) { // #409
733 function enumerateNode(node, targetNode) {// jshint ignore:line
734 if (node && node.childNodes) {
735 var nodes = node.childNodes
736 for (var i = 0, el; el = nodes[i++]; ) {
738 var svg = DOC.createElementNS(svgns,
739 el.tagName.toLowerCase())
740 ap.forEach.call(el.attributes, function (attr) {
741 svg.setAttribute(attr.name, attr.value) //复制属性
742 })// jshint ignore:line
744 enumerateNode(el, svg)
745 targetNode.appendChild(svg)
750 Object.defineProperties(SVGElement.prototype, {
751 "outerHTML": {//IE9-11,firefox不支持SVG元素的innerHTML,outerHTML属性
755 set: function (html) {
756 var tagName = this.tagName.toLowerCase(),
757 par = this.parentNode,
758 frag = avalon.parseHTML(html)
760 if (tagName === "svg") {
761 par.insertBefore(frag, this)
764 var newFrag = DOC.createDocumentFragment()
765 enumerateNode(frag, newFrag)
766 par.insertBefore(newFrag, this)
768 par.removeChild(this)
775 var s = this.outerHTML
776 var ropen = new RegExp("<" + this.nodeName + '\\b(?:(["\'])[^"]*?(\\1)|[^>])*>', "i")
777 var rclose = new RegExp("<\/" + this.nodeName + ">$", "i")
778 return s.replace(ropen, "").replace(rclose, "")
780 set: function (html) {
781 if (avalon.clearHTML) {
782 avalon.clearHTML(this)
783 var frag = avalon.parseHTML(html)
784 enumerateNode(frag, this)
791 if (!root.outerHTML && window.HTMLElement) { //firefox 到11时才有outerHTML
792 HTMLElement.prototype.__defineGetter__("outerHTML", outerHTML);
796 //============================= event binding =======================
797 var rmouseEvent = /^(?:mouse|contextmenu|drag)|click/
798 function fixEvent(event) {
800 for (var i in event) {
803 var target = ret.target = event.srcElement
804 if (event.type.indexOf("key") === 0) {
805 ret.which = event.charCode != null ? event.charCode : event.keyCode
806 } else if (rmouseEvent.test(event.type)) {
807 var doc = target.ownerDocument || DOC
808 var box = doc.compatMode === "BackCompat" ? doc.body : doc.documentElement
809 ret.pageX = event.clientX + (box.scrollLeft >> 0) - (box.clientLeft >> 0)
810 ret.pageY = event.clientY + (box.scrollTop >> 0) - (box.clientTop >> 0)
811 ret.wheelDeltaY = ret.wheelDelta
814 ret.timeStamp = new Date() - 0
815 ret.originalEvent = event
816 ret.preventDefault = function () { //阻止默认行为
817 event.returnValue = false
819 ret.stopPropagation = function () { //阻止事件在DOM树中的传播
820 event.cancelBubble = true
825 var eventHooks = avalon.eventHooks
826 //针对firefox, chrome修正mouseenter, mouseleave
827 if (!("onmouseenter" in root)) {
829 mouseenter: "mouseover",
830 mouseleave: "mouseout"
831 }, function (origType, fixType) {
832 eventHooks[origType] = {
834 deel: function (elem, _, fn) {
835 return function (e) {
836 var t = e.relatedTarget
837 if (!t || (t !== elem && !(elem.compareDocumentPosition(t) & 16))) {
840 return fn.call(elem, e)
847 //针对IE9+, w3c修正animationend
849 AnimationEvent: "animationend",
850 WebKitAnimationEvent: "webkitAnimationEnd"
851 }, function (construct, fixType) {
852 if (window[construct] && !eventHooks.animationend) {
853 eventHooks.animationend = {
859 if (!("oninput" in DOC.createElement("input"))) {
861 type: "propertychange",
862 deel: function (elem, _, fn) {
863 return function (e) {
864 if (e.propertyName === "value") {
866 return fn.call(elem, e)
872 if (DOC.onmousewheel === void 0) {
873 /* IE6-11 chrome mousewheel wheelDetla 下 -120 上 120
874 firefox DOMMouseScroll detail 下3 上-3
875 firefox wheel detlaY 下3 上-3
876 IE9-11 wheel deltaY 下40 上-40
877 chrome wheel deltaY 下100 上-100 */
878 var fixWheelType = DOC.onwheel !== void 0 ? "wheel" : "DOMMouseScroll"
879 var fixWheelDelta = fixWheelType === "wheel" ? "deltaY" : "detail"
880 eventHooks.mousewheel = {
882 deel: function (elem, _, fn) {
883 return function (e) {
884 e.wheelDeltaY = e.wheelDelta = e[fixWheelDelta] > 0 ? -120 : 120
886 if (Object.defineProperty) {
887 Object.defineProperty(e, "type", {
899 /*********************************************************************
901 **********************************************************************/
903 function kernel(settings) {
904 for (var p in settings) {
905 if (!ohasOwn.call(settings, p))
907 var val = settings[p]
908 if (typeof kernel.plugins[p] === "function") {
909 kernel.plugins[p](val)
910 } else if (typeof kernel[p] === "object") {
911 avalon.mix(kernel[p], val)
918 var openTag, closeTag, rexpr, rexprg, rbind, rregexp = /[-.*+?^${}()|[\]\/\\]/g
920 function escapeRegExp(target) {
921 //http://stevenlevithan.com/regex/xregexp/
923 return (target + "").replace(rregexp, "\\$&")
927 loader: function (builtin) {
928 var flag = innerRequire && builtin
929 window.require = flag ? innerRequire : otherRequire
930 window.define = flag ? innerRequire.define : otherDefine
932 interpolate: function (array) {
935 if (openTag === closeTag) {
936 throw new SyntaxError("openTag!==closeTag")
937 var test = openTag + "test" + closeTag
938 cinerator.innerHTML = test
939 if (cinerator.innerHTML !== test && cinerator.innerHTML.indexOf("<") > -1) {
940 throw new SyntaxError("此定界符不合法")
942 cinerator.innerHTML = ""
944 var o = escapeRegExp(openTag),
945 c = escapeRegExp(closeTag)
946 rexpr = new RegExp(o + "(.*?)" + c)
947 rexprg = new RegExp(o + "(.*?)" + c, "g")
948 rbind = new RegExp(o + ".*?" + c + "|\\sms-")
953 kernel.plugins = plugins
954 kernel.plugins['interpolate'](["{{", "}}"])
957 kernel.maxRepeatSize = 100
958 avalon.config = kernel
959 var ravalon = /(\w+)\[(avalonctrl)="(\S+)"\]/
960 var findNodes = DOC.querySelectorAll ? function(str) {
961 return DOC.querySelectorAll(str)
963 var match = str.match(ravalon)
964 var all = DOC.getElementsByTagName(match[1])
966 for (var i = 0, el; el = all[i++]; ) {
967 if (el.getAttribute(match[2]) === match[3]) {
973 /*********************************************************************
975 **********************************************************************/
977 $watch: function (type, callback) {
978 if (typeof callback === "function") {
979 var callbacks = this.$events[type]
981 callbacks.push(callback)
983 this.$events[type] = [callback]
985 } else { //重新开始监听此VM的第一重简单属性的变动
986 this.$events = this.$watch.backup
990 $unwatch: function (type, callback) {
991 var n = arguments.length
992 if (n === 0) { //让此VM的所有$watch回调无效化
993 this.$watch.backup = this.$events
995 } else if (n === 1) {
996 this.$events[type] = []
998 var callbacks = this.$events[type] || []
999 var i = callbacks.length
1001 if (callbacks[i] === callback) {
1002 return callbacks.splice(i, 1)
1008 $fire: function (type) {
1009 var special, i, v, callback
1010 if (/^(\w+)!(\S+)$/.test(type)) {
1014 var events = this.$events
1017 var args = aslice.call(arguments, 1)
1018 var detail = [type].concat(args)
1019 if (special === "all") {
1020 for (i in avalon.vmodels) {
1021 v = avalon.vmodels[i]
1023 v.$fire.apply(v, detail)
1026 } else if (special === "up" || special === "down") {
1027 var elements = events.expr ? findNodes(events.expr) : []
1028 if (elements.length === 0)
1030 for (i in avalon.vmodels) {
1031 v = avalon.vmodels[i]
1033 if (v.$events.expr) {
1034 var eventNodes = findNodes(v.$events.expr)
1035 if (eventNodes.length === 0) {
1038 //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
1039 /* jshint ignore:start */
1040 ap.forEach.call(eventNodes, function (node) {
1041 ap.forEach.call(elements, function (element) {
1042 var ok = special === "down" ? element.contains(node) : //向下捕获
1043 node.contains(element) //向上冒泡
1045 node._avalon = v //符合条件的加一个标识
1049 /* jshint ignore:end */
1053 var nodes = DOC.getElementsByTagName("*") //实现节点排序
1055 ap.forEach.call(nodes, function (el) {
1057 alls.push(el._avalon)
1059 el.removeAttribute("_avalon")
1062 if (special === "up") {
1065 for (i = 0; callback = alls[i++]; ) {
1066 if (callback.$fire.apply(callback, detail) === false) {
1071 var callbacks = events[type] || []
1072 var all = events.$all || []
1073 for (i = 0; callback = callbacks[i++]; ) {
1074 if (isFunction(callback))
1075 callback.apply(this, args)
1077 for (i = 0; callback = all[i++]; ) {
1078 if (isFunction(callback))
1079 callback.apply(this, arguments)
1085 /*********************************************************************
1087 **********************************************************************/
1088 //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)
1089 var VMODELS = avalon.vmodels = {} //所有vmodel都储存在这里
1090 avalon.define = function (id, factory) {
1091 var $id = id.$id || id
1093 log("warning: vm必须指定$id")
1096 log("warning: " + $id + " 已经存在于avalon.vmodels中")
1098 if (typeof id === "object") {
1099 var model = modelFactory(id)
1104 factory(scope) //得到所有定义
1106 model = modelFactory(scope) //偷天换日,将scope换为model
1107 stopRepeatAssign = true
1109 stopRepeatAssign = false
1112 return VMODELS[$id] = model
1116 var $$skipArray = String("$id,$watch,$unwatch,$fire,$events,$model,$skipArray,$proxy,$reinitialize,$propertyNames").match(rword)
1117 var defineProperty = Object.defineProperty
1118 var canHideOwn = true
1119 //如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG,比如IE8
1120 //标准浏览器使用__defineGetter__, __defineSetter__实现
1122 defineProperty({}, "_", {
1125 var defineProperties = Object.defineProperties
1130 function modelFactory(source, $special, $model) {
1131 if (Array.isArray(source)) {
1132 var arr = source.concat()
1134 var collection = arrayFactory(source)
1135 collection.pushArray(arr)
1138 //0 null undefined || Node || VModel(fix IE6-8 createWithProxy $val: val引发的BUG)
1139 if (!source || source.nodeType > 0 || (source.$id && source.$events)) {
1142 var $skipArray = Array.isArray(source.$skipArray) ? source.$skipArray : []
1143 $skipArray.$special = $special || {} //强制要监听的属性
1144 var $vmodel = {} //要返回的对象, 它在IE6-8下可能被偷龙转凤
1145 $model = $model || {} //vmodels.$model属性
1146 var $events = {} //vmodel.$events属性
1147 var accessors = {} //监控属性
1149 $$skipArray.forEach(function (name) {
1152 var names = Object.keys(source)
1153 /* jshint ignore:start */
1154 names.forEach(function (name, accessor) {
1155 var val = source[name]
1157 if (isObservable(name, val, $skipArray)) {
1160 var valueType = avalon.type(val)
1162 if (valueType === "object" && isFunction(val.get) && Object.keys(val).length <= 2) {
1163 accessor = makeComputedAccessor(name, val)
1164 computed.push(accessor)
1165 } else if (rcomplexType.test(valueType)) {
1166 accessor = makeComplexAccessor(name, val, valueType, $events[name])
1168 accessor = makeSimpleAccessor(name, val)
1170 accessors[name] = accessor
1173 /* jshint ignore:end */
1175 $vmodel = defineProperties($vmodel, descriptorFactory(accessors), source) //生成一个空的ViewModel
1176 for (var i = 0; i < names.length; i++) {
1178 if (!accessors[name]) {
1179 $vmodel[name] = source[name]
1182 //添加$id, $model, $events, $watch, $unwatch, $fire
1183 $vmodel.$propertyNames = names.join("­")
1184 $vmodel.$id = generateID()
1185 $vmodel.$model = $model
1186 $vmodel.$events = $events
1187 for (i in EventBus) {
1188 var fn = EventBus[i]
1189 if (!W3C) { //在IE6-8下,VB对象的方法里的this并不指向自身,需要用bind处理一下
1190 fn = fn.bind($vmodel)
1195 Object.defineProperty($vmodel, "hasOwnProperty", hasOwnDescriptor)
1197 /* jshint ignore:start */
1198 $vmodel.hasOwnProperty = function (name) {
1199 return name in $vmodel.$model
1201 /* jshint ignore:end */
1204 $vmodel.$reinitialize = function () {
1205 computed.forEach(function (accessor) {
1206 delete accessor._value
1207 delete accessor.oldArgs
1208 accessor.digest = function () {
1209 accessor.call($vmodel)
1211 dependencyDetection.begin({
1212 callback: function (vm, dependency) {//dependency为一个accessor
1213 var name = dependency._name
1214 if (dependency !== accessor) {
1215 var list = vm.$events[name]
1216 injectDependency(list, accessor.digest)
1221 accessor.get.call($vmodel)
1223 dependencyDetection.end()
1227 $vmodel.$reinitialize()
1231 var hasOwnDescriptor = {
1232 value: function (name) {
1233 return name in this.$model
1240 function makeSimpleAccessor(name, value) {
1241 function accessor(value) {
1242 var oldValue = accessor._value
1243 if (arguments.length > 0) {
1244 if (!stopRepeatAssign && !isEqual(value, oldValue)) {
1245 accessor.updateValue(this, value)
1246 accessor.notify(this, value, oldValue)
1250 dependencyDetection.collectDependency(this, accessor)
1254 accessorFactory(accessor, name)
1255 accessor._value = value
1260 function makeComputedAccessor(name, options) {
1261 function accessor(value) {//计算属性
1262 var oldValue = accessor._value
1263 var init = ("_value" in accessor)
1264 if (arguments.length > 0) {
1265 if (stopRepeatAssign) {
1268 if (typeof accessor.set === "function") {
1269 if (accessor.oldArgs !== value) {
1270 accessor.oldArgs = value
1271 var $events = this.$events
1272 var lock = $events[name]
1273 $events[name] = [] //清空回调,防止内部冒泡而触发多次$fire
1274 accessor.set.call(this, value)
1275 $events[name] = lock
1276 value = accessor.get.call(this)
1277 if (value !== oldValue) {
1278 accessor.updateValue(this, value)
1279 accessor.notify(this, value, oldValue) //触发$watch回调
1285 //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
1287 value = accessor.get.call(this)
1288 accessor.updateValue(this, value)
1289 if (init && oldValue !== value) {
1290 accessor.notify(this, value, oldValue) //触发$watch回调
1295 accessor.set = options.set
1296 accessor.get = options.get
1297 accessorFactory(accessor, name)
1302 function makeComplexAccessor(name, initValue, valueType, list) {
1303 function accessor(value) {
1304 var oldValue = accessor._value
1306 var son = accessor._vmodel
1307 if (arguments.length > 0) {
1308 if (stopRepeatAssign) {
1311 if (valueType === "array") {
1312 var a = son, b = value,
1317 a.splice(bn, an - bn)
1318 } else if (bn > an) {
1319 a.push.apply(a, b.slice(an))
1321 var n = Math.min(an, bn)
1322 for (var i = 0; i < n; i++) {
1327 } else if (valueType === "object") {
1328 var newPropertyNames = Object.keys(value).join("­")
1329 if (son.$propertyNames === newPropertyNames) {
1334 var sson = accessor._vmodel = modelFactory(value)
1335 var sevent = sson.$events
1336 var oevent = son.$events
1337 for (var i in sevent) {
1339 if (Array.isArray(arr)) {
1340 arr = arr.concat(oevent[i])
1343 sevent[subscribers] = oevent[subscribers]
1344 sson.$proxy = son.$proxy
1348 accessor.updateValue(this, son.$model)
1349 accessor.notify(this, this._value, oldValue)
1352 dependencyDetection.collectDependency(this, accessor)
1356 accessorFactory(accessor, name)
1357 var son = accessor._vmodel = modelFactory(initValue)
1358 son.$events[subscribers] = list
1362 function globalUpdateValue(vmodel, value) {
1363 vmodel.$model[this._name] = this._value = value
1366 function globalNotify(vmodel, value, oldValue) {
1367 var name = this._name
1368 var array = vmodel.$events[name] //刷新值
1370 fireDependencies(array) //同步视图
1371 EventBus.$fire.call(vmodel, name, value, oldValue) //触发$watch回调
1375 function accessorFactory(accessor, name) {
1376 accessor._name = name
1378 accessor.updateValue = globalUpdateValue
1379 accessor.notify = globalNotify
1383 var isEqual = Object.is || function (v1, v2) {
1384 if (v1 === 0 && v2 === 0) {
1385 return 1 / v1 === 1 / v2
1386 } else if (v1 !== v1) {
1393 function isObservable(name, value, $skipArray) {
1394 if (isFunction(value) || value && value.nodeType) {
1397 if ($skipArray.indexOf(name) !== -1) {
1400 var $special = $skipArray.$special
1401 if (name && name.charAt(0) === "$" && !$special[name]) {
1407 var descriptorFactory = W3C ? function (obj) {
1408 var descriptors = {}
1409 for (var i in obj) {
1422 //===================修复浏览器对Object.defineProperties的支持=================
1424 if ("__defineGetter__" in avalon) {
1425 defineProperty = function (obj, prop, desc) {
1426 if ('value' in desc) {
1427 obj[prop] = desc.value
1429 if ("get" in desc) {
1430 obj.__defineGetter__(prop, desc.get)
1432 if ('set' in desc) {
1433 obj.__defineSetter__(prop, desc.set)
1437 defineProperties = function (obj, descs) {
1438 for (var prop in descs) {
1439 if (descs.hasOwnProperty(prop)) {
1440 defineProperty(obj, prop, descs[prop])
1447 var VBClassPool = {}
1448 window.execScript([// jshint ignore:line
1449 "Function parseVB(code)",
1450 "\tExecuteGlobal(code)",
1451 "End Function" //转换一段文本为VB代码
1452 ].join("\n"), "VBScript")
1453 function VBMediator(instance, accessors, name, value) {// jshint ignore:line
1454 var accessor = accessors[name]
1455 if (arguments.length === 4) {
1456 accessor.call(instance, value)
1458 return accessor.call(instance)
1461 defineProperties = function (name, accessors, properties) {
1462 // jshint ignore:line
1465 "\r\n\tPrivate [__data__], [__proxy__]",
1466 "\tPublic Default Function [__const__](d, p)",
1467 "\t\tSet [__data__] = d: set [__proxy__] = p",
1468 "\t\tSet [__const__] = Me", //链式调用
1470 //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
1471 for (name in properties) {
1472 if (!accessors.hasOwnProperty(name)) {
1473 buffer.push("\tPublic [" + name + "]")
1476 $$skipArray.forEach(function (name) {
1477 if (!accessors.hasOwnProperty(name)) {
1478 buffer.push("\tPublic [" + name + "]")
1481 buffer.push("\tPublic [" + 'hasOwnProperty' + "]")
1483 for (name in accessors) {
1485 //由于不知对方会传入什么,因此set, let都用上
1486 "\tPublic Property Let [" + name + "](val" + expose + ")", //setter
1487 "\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
1489 "\tPublic Property Set [" + name + "](val" + expose + ")", //setter
1490 "\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
1492 "\tPublic Property Get [" + name + "]", //getter
1493 "\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
1494 "\t\tSet[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
1495 "\tIf Err.Number <> 0 Then",
1496 "\t\t[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
1498 "\tOn Error Goto 0",
1503 buffer.push("End Class")
1504 var body = buffer.join("\r\n")
1505 var className =VBClassPool[body]
1507 className = generateID("VBClass")
1508 window.parseVB("Class " + className + body)
1510 "Function " + className + "Factory(a, b)", //创建实例并传入两个关键的参数
1512 "\tSet o = (New " + className + ")(a, b)",
1513 "\tSet " + className + "Factory = o",
1516 VBClassPool[body] = className
1518 var ret = window[className + "Factory"](accessors, VBMediator) //得到其产品
1524 /*********************************************************************
1525 * 监控数组(与ms-each, ms-repeat配合使用) *
1526 **********************************************************************/
1528 function arrayFactory(model) {
1530 array.$id = generateID()
1531 array.$model = model //数据模型
1533 array.$events[subscribers] = []
1534 array._ = modelFactory({
1535 length: model.length
1537 array._.$watch("length", function (a, b) {
1538 array.$fire("length", a, b)
1540 for (var i in EventBus) {
1541 array[i] = EventBus[i]
1543 avalon.mix(array, arrayPrototype)
1547 function mutateArray(method, pos, n, index, method2, pos2, n2) {
1548 var oldLen = this.length, loop = 2
1552 /* jshint ignore:start */
1553 var array = this.$model.slice(pos, pos + n).map(function (el) {
1554 if (rcomplexType.test(avalon.type(el))) {
1555 return el.$id ? el : modelFactory(el, 0, el)
1560 /* jshint ignore:end */
1561 _splice.apply(this, [pos, 0].concat(array))
1562 this._fire("add", pos, n)
1565 var ret = this._splice(pos, n)
1566 this._fire("del", pos, n)
1577 this._fire("index", index)
1578 if (this.length !== oldLen) {
1579 this._.length = this.length
1584 var _splice = ap.splice
1585 var arrayPrototype = {
1587 _fire: function (method, a, b) {
1588 fireDependencies(this.$events[subscribers], method, a, b)
1590 size: function () { //取得数组长度,这个函数可以同步视图,length不能
1591 return this._.length
1593 pushArray: function (array) {
1594 var m = array.length, n = this.length
1596 ap.push.apply(this.$model, array)
1597 mutateArray.call(this, "add", n, m, Math.max(0, n - 1))
1602 //http://jsperf.com/closure-with-arguments
1604 var i, n = arguments.length
1605 for (i = 0; i < n; i++) {
1606 array[i] = arguments[i]
1608 return this.pushArray(array)
1610 unshift: function () {
1611 var m = arguments.length, n = this.length
1613 ap.unshift.apply(this.$model, arguments)
1614 mutateArray.call(this, "add", 0, m, 0)
1616 return m + n //IE67的unshift不会返回长度
1618 shift: function () {
1620 var el = this.$model.shift()
1621 mutateArray.call(this, "del", 0, 1, 0)
1622 return el //返回被移除的元素
1628 var el = this.$model.pop()
1629 mutateArray.call(this, "del", n - 1, 1, Math.max(0, n - 2))
1630 return el //返回被移除的元素
1633 splice: function (start) {
1634 var m = arguments.length, args = [], change
1635 var removed = _splice.apply(this.$model, arguments)
1636 if (removed.length) { //如果用户删掉了元素
1637 args.push("del", start, removed.length, 0)
1640 if (m > 2) { //如果用户添加了元素
1642 args.splice(3, 1, 0, "add", start, m - 2)
1644 args.push("add", start, m - 2, 0)
1648 if (change) { //返回被移除的元素
1649 return mutateArray.apply(this, args)
1654 contains: function (el) { //判定是否包含
1655 return this.indexOf(el) !== -1
1657 remove: function (el) { //移除第一个等于给定值的元素
1658 return this.removeAt(this.indexOf(el))
1660 removeAt: function (index) { //移除指定索引上的元素
1662 this.$model.splice(index, 1)
1663 return mutateArray.call(this, "del", index, 1, 0)
1667 clear: function () {
1668 this.$model.length = this.length = this._.length = 0 //清空数组
1669 this._fire("clear", 0)
1672 removeAll: function (all) { //移除N个元素
1673 if (Array.isArray(all)) {
1674 for (var i = this.length - 1; i >= 0; i--) {
1675 if (all.indexOf(this[i]) !== -1) {
1679 } else if (typeof all === "function") {
1680 for ( i = this.length - 1; i >= 0; i--) {
1690 ensure: function (el) {
1691 if (!this.contains(el)) { //只有不存在才push
1696 set: function (index, val) {
1698 var valueType = avalon.type(val)
1699 if (val && val.$model) {
1702 var target = this[index]
1703 if (valueType === "object") {
1704 for (var i in val) {
1705 if (target.hasOwnProperty(i)) {
1709 } else if (valueType === "array") {
1710 target.clear().push.apply(target, val)
1711 } else if (target !== val) {
1713 this.$model[index] = val
1714 this._fire("set", index, val)
1720 //相当于原来bindingExecutors.repeat 的index分支
1721 function resetIndex(array, pos) {
1722 var last = array.length - 1
1723 for (var el; el = array[pos]; pos++) {
1725 el.$first = pos === 0
1726 el.$last = pos === last
1730 function sortByIndex(array, indexes) {
1732 for (var i = 0, n = indexes.length; i < n; i++) {
1733 map[i] = array[i] // preserve
1744 "sort,reverse".replace(rword, function (method) {
1745 arrayPrototype[method] = function () {
1746 var newArray = this.$model//这是要排序的新数组
1747 var oldArray = newArray.concat() //保持原来状态的旧数组
1748 var mask = Math.random()
1751 ap[method].apply(newArray, arguments) //排序
1752 for (var i = 0, n = oldArray.length; i < n; i++) {
1753 var neo = newArray[i]
1754 var old = oldArray[i]
1755 if (isEqual(neo, old)) {
1758 var index = oldArray.indexOf(neo)
1759 indexes.push(index)//得到新数组的每个元素在旧数组对应的位置
1760 oldArray[index] = mask //屏蔽已经找过的元素
1765 sortByIndex(this, indexes)
1766 // sortByIndex(this.$proxy, indexes)
1767 this._fire("move", indexes)
1768 this._fire("index", 0)
1775 /*********************************************************************
1777 **********************************************************************/
1779 var dependencyDetection = (function () {
1780 var outerFrames = []
1783 begin: function (accessorObject) {
1784 //accessorObject为一个拥有callback的对象
1785 outerFrames.push(currentFrame)
1786 currentFrame = accessorObject
1789 currentFrame = outerFrames.pop()
1791 collectDependency: function (vmodel, accessor) {
1793 //被dependencyDetection.begin调用
1794 currentFrame.callback(vmodel, accessor);
1799 //将绑定对象注入到其依赖项的订阅数组中
1800 var ronduplex = /^(duplex|on)$/
1801 avalon.injectBinding = function (data) {
1802 var valueFn = data.evaluator
1803 if (valueFn) { //如果是求值函数
1804 dependencyDetection.begin({
1805 callback: function (vmodel, dependency) {
1806 injectDependency(vmodel.$events[dependency._name], data)
1810 var value = ronduplex.test(data.type) ? data : valueFn.apply(0, data.args)
1811 if(value === void 0){
1812 delete data.evaluator
1814 data.handler(value, data.element, data)
1816 //log("warning:exception throwed in [avalon.injectBinding] " + e)
1817 delete data.evaluator
1818 var node = data.element
1819 if (node.nodeType === 3) {
1820 var parent = node.parentNode
1821 if (kernel.commentInterpolate) {
1822 parent.replaceChild(DOC.createComment(data.value), node)
1824 node.data = openTag + (data.oneTime ? "::" : "") + data.value + closeTag
1828 dependencyDetection.end()
1833 //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
1834 function injectDependency(list, data) {
1837 if (list && avalon.Array.ensure(list, data) && data.element) {
1838 injectDisposeQueue(data, list)
1842 //通知依赖于这个访问器的订阅者更新自身
1843 function fireDependencies(list) {
1844 if (list && list.length) {
1845 if (new Date() - beginTime > 444 && typeof list[0] === "object") {
1846 rejectDisposeQueue()
1848 var args = aslice.call(arguments, 1)
1849 for (var i = list.length, fn; fn = list[--i]; ) {
1851 if (el && el.parentNode) {
1853 var valueFn = fn.evaluator
1855 fn.handler.apply(fn, args) //处理监控数组的方法
1856 }else if("$repeat" in fn || !valueFn ){//如果没有eval,先eval
1857 bindingHandlers[fn.type](fn, fn.vmodels)
1858 } else if (fn.type !== "on") { //事件绑定只能由用户触发,不能由程序触发
1859 var value = valueFn.apply(0, fn.args || [])
1860 fn.handler(value, el, fn)
1867 /*********************************************************************
1869 **********************************************************************/
1870 var disposeCount = 0
1871 var disposeQueue = avalon.$$subscribers = []
1872 var beginTime = new Date()
1875 function getUid(obj, makeID) { //IE9+,标准浏览器
1876 if (!obj.uuid && !makeID) {
1877 obj.uuid = ++disposeCount
1878 uuid2Node[obj.uuid] = obj
1882 function getNode(uuid) {
1883 return uuid2Node[uuid]
1886 function injectDisposeQueue(data, list) {
1887 var elem = data.element
1889 if (elem.nodeType !== 1) {
1890 data.uuid = data.type + (data.pos || 0) + "-" + getUid(elem.parentNode)
1892 data.uuid = data.name + "-" + getUid(elem)
1895 var lists = data.lists || (data.lists = [])
1896 avalon.Array.ensure(lists, list)
1897 list.$uuid = list.$uuid || generateID()
1898 if (!disposeQueue[data.uuid]) {
1899 disposeQueue[data.uuid] = 1
1900 disposeQueue.push(data)
1904 function rejectDisposeQueue(data) {
1905 if (avalon.optimize)
1907 var i = disposeQueue.length
1910 var iffishTypes = {}
1912 //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
1913 while (data = disposeQueue[--i]) {
1914 var type = data.type
1915 if (newInfo[type]) {
1923 allTypes.forEach(function (type) {
1924 if (oldInfo[type] !== newInfo[type]) {
1925 iffishTypes[type] = 1
1931 while (data = disposeQueue[--i]) {
1934 if (iffishTypes[data.type] && shouldDispose(data.element)) { //如果它没有在DOM树
1935 disposeQueue.splice(i, 1)
1936 delete disposeQueue[data.uuid]
1937 delete uuid2Node[data.element.uuid]
1938 var lists = data.lists
1939 for (var k = 0, list; list = lists[k++]; ) {
1940 avalon.Array.remove(lists, list)
1941 avalon.Array.remove(list, data)
1948 beginTime = new Date()
1951 function disposeData(data) {
1953 data.rollback && data.rollback()
1954 for (var key in data) {
1959 function shouldDispose(el) {
1960 try {//IE下,如果文本节点脱离DOM树,访问parentNode会报错
1961 if (!el.parentNode) {
1968 return el.msRetain ? 0 : (el.nodeType === 1 ? !root.contains(el) : !avalon.contains(root, el))
1971 /************************************************************************
1972 * HTML处理(parseHTML, innerHTML, clearHTML) *
1973 ************************************************************************/
1974 // We have to close these tags to support XHTML
1976 area: [1, "<map>", "</map>"],
1977 param: [1, "<object>", "</object>"],
1978 col: [2, "<table><colgroup>", "</colgroup></table>"],
1979 legend: [1, "<fieldset>", "</fieldset>"],
1980 option: [1, "<select multiple='multiple'>", "</select>"],
1981 thead: [1, "<table>", "</table>"],
1982 tr: [2, "<table>", "</table>"],
1983 td: [3, "<table><tr>", "</tr></table>"],
1984 g: [1, '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">', '</svg>'],
1985 //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
1986 _default: W3C ? [0, "", ""] : [1, "X<div>", "</div>"] //div可以不用闭合
1988 tagHooks.th = tagHooks.td
1989 tagHooks.optgroup = tagHooks.option
1990 tagHooks.tbody = tagHooks.tfoot = tagHooks.colgroup = tagHooks.caption = tagHooks.thead
1991 String("circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use").replace(rword, function (tag) {
1992 tagHooks[tag] = tagHooks.g //处理SVG
1994 var rtagName = /<([\w:]+)/ //取得其tagName
1995 var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig
1996 var rcreate = W3C ? /[^\d\D]/ : /(<(?:script|link|style|meta|noscript))/ig
1997 var scriptTypes = oneObject(["", "text/javascript", "text/ecmascript", "application/ecmascript", "application/javascript"])
1998 var rnest = /<(?:tb|td|tf|th|tr|col|opt|leg|cap|area)/ //需要处理套嵌关系的标签
1999 var script = DOC.createElement("script")
2000 var rhtml = /<|&#?\w+;/
2001 avalon.parseHTML = function (html) {
2002 var fragment = avalonFragment.cloneNode(false)
2003 if (typeof html !== "string") {
2006 if (!rhtml.test(html)) {
2007 fragment.appendChild(DOC.createTextNode(html))
2010 html = html.replace(rxhtml, "<$1></$2>").trim()
2011 var tag = (rtagName.exec(html) || ["", ""])[1].toLowerCase(),
2013 wrap = tagHooks[tag] || tagHooks._default,
2014 wrapper = cinerator,
2016 if (!W3C) { //fix IE
2017 html = html.replace(rcreate, "<br class=msNoScope>$1") //在link style script等标签之前添加一个补丁
2019 wrapper.innerHTML = wrap[1] + html + wrap[2]
2020 var els = wrapper.getElementsByTagName("script")
2021 if (els.length) { //使用innerHTML生成的script节点不会发出请求与执行text属性
2022 for (var i = 0, el; el = els[i++]; ) {
2023 if (scriptTypes[el.type]) {
2025 neo = script.cloneNode(false) //FF不能省略参数
2026 ap.forEach.call(el.attributes, function (attr) {
2027 if (attr && attr.specified) {
2028 neo[attr.name] = attr.value //复制其属性
2029 neo.setAttribute(attr.name, attr.value)
2031 }) // jshint ignore:line
2033 el.parentNode.replaceChild(neo, el) //替换节点
2037 if (!W3C) { //fix IE
2038 var target = wrap[1] === "X<div>" ? wrapper.lastChild.firstChild : wrapper.lastChild
2039 if (target && target.tagName === "TABLE" && tag !== "tbody") {
2040 //IE6-7处理 <thead> --> <thead>,<tbody>
2041 //<tfoot> --> <tfoot>,<tbody>
2042 //<table> --> <table><tbody></table>
2043 for (els = target.childNodes, i = 0; el = els[i++]; ) {
2044 if (el.tagName === "TBODY" && !el.innerHTML) {
2045 target.removeChild(el)
2050 els = wrapper.getElementsByTagName("br")
2052 while (el = els[--n]) {
2053 if (el.className === "msNoScope") {
2054 el.parentNode.removeChild(el)
2057 for (els = wrapper.all, i = 0; el = els[i++]; ) { //fix VML
2063 //移除我们为了符合套嵌关系而添加的标签
2064 for (i = wrap[0]; i--; wrapper = wrapper.lastChild) {
2066 while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上!
2067 fragment.appendChild(firstChild)
2072 function isVML(src) {
2073 var nodeName = src.nodeName
2074 return nodeName.toLowerCase() === nodeName && src.scopeName && src.outerText === ""
2077 function fixVML(node) {
2078 if (node.currentStyle.behavior !== "url(#default#VML)") {
2079 node.style.behavior = "url(#default#VML)"
2080 node.style.display = "inline-block"
2081 node.style.zoom = 1 //hasLayout
2084 avalon.innerHTML = function (node, html) {
2085 if (!W3C && (!rcreate.test(html) && !rnest.test(html))) {
2087 node.innerHTML = html
2092 var a = this.parseHTML(html)
2093 this.clearHTML(node).appendChild(a)
2095 avalon.clearHTML = function (node) {
2096 node.textContent = ""
2097 while (node.firstChild) {
2098 node.removeChild(node.firstChild)
2103 /*********************************************************************
2105 **********************************************************************/
2107 function hyphen(target) {
2109 return target.replace(/([a-z\d])([A-Z]+)/g, "$1-$2").toLowerCase()
2112 function camelize(target) {
2113 //提前判断,提高getStyle等的效率
2114 if (!target || target.indexOf("-") < 0 && target.indexOf("_") < 0) {
2118 return target.replace(/[-_][^-_]/g, function(match) {
2119 return match.charAt(1).toUpperCase()
2123 var fakeClassListMethods = {
2124 _toString: function() {
2125 var node = this.node
2126 var cls = node.className
2127 var str = typeof cls === "string" ? cls : cls.baseVal
2128 return str.split(/\s+/).join(" ")
2130 _contains: function(cls) {
2131 return (" " + this + " ").indexOf(" " + cls + " ") > -1
2133 _add: function(cls) {
2134 if (!this.contains(cls)) {
2135 this._set(this + " " + cls)
2138 _remove: function(cls) {
2139 this._set((" " + this + " ").replace(" " + cls + " ", " "))
2141 __set: function(cls) {
2143 var node = this.node
2144 if (rsvg.test(node)) {
2145 //SVG元素的className是一个对象 SVGAnimatedString { baseVal="", animVal=""},只能通过set/getAttribute操作
2146 node.setAttribute("class", cls)
2148 node.className = cls
2150 } //toggle存在版本差异,因此不使用它
2153 function fakeClassList(node) {
2154 if (!("classList" in node)) {
2158 for (var k in fakeClassListMethods) {
2159 node.classList[k.slice(1)] = fakeClassListMethods[k]
2162 return node.classList
2166 "add,remove".replace(rword, function(method) {
2167 avalon.fn[method + "Class"] = function(cls) {
2169 //https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26
2170 if (cls && typeof cls === "string" && el && el.nodeType === 1) {
2171 cls.replace(/\S+/g, function(c) {
2172 fakeClassList(el)[method](c)
2179 hasClass: function(cls) {
2180 var el = this[0] || {}
2181 return el.nodeType === 1 && fakeClassList(el).contains(cls)
2183 toggleClass: function(value, stateVal) {
2184 var className, i = 0
2185 var classNames = String(value).split(/\s+/)
2186 var isBool = typeof stateVal === "boolean"
2187 while ((className = classNames[i++])) {
2188 var state = isBool ? stateVal : !this.hasClass(className)
2189 this[state ? "addClass" : "removeClass"](className)
2193 attr: function(name, value) {
2194 if (arguments.length === 2) {
2195 this[0].setAttribute(name, value)
2198 return this[0].getAttribute(name)
2201 data: function(name, value) {
2202 name = "data-" + hyphen(name || "")
2203 switch (arguments.length) {
2205 this.attr(name, value)
2208 var val = this.attr(name)
2209 return parseData(val)
2212 ap.forEach.call(this[0].attributes, function(attr) {
2215 if (!name.indexOf("data-")) {
2216 name = camelize(name.slice(5))
2217 ret[name] = parseData(attr.value)
2224 removeData: function(name) {
2225 name = "data-" + hyphen(name)
2226 this[0].removeAttribute(name)
2229 css: function(name, value) {
2230 if (avalon.isPlainObject(name)) {
2231 for (var i in name) {
2232 avalon.css(this, i, name[i])
2235 var ret = avalon.css(this, name, value)
2237 return ret !== void 0 ? ret : this
2239 position: function() {
2240 var offsetParent, offset,
2249 if (this.css("position") === "fixed") {
2250 offset = elem.getBoundingClientRect()
2252 offsetParent = this.offsetParent() //得到真正的offsetParent
2253 offset = this.offset() // 得到正确的offsetParent
2254 if (offsetParent[0].tagName !== "HTML") {
2255 parentOffset = offsetParent.offset()
2257 parentOffset.top += avalon.css(offsetParent[0], "borderTopWidth", true)
2258 parentOffset.left += avalon.css(offsetParent[0], "borderLeftWidth", true)
2260 // Subtract offsetParent scroll positions
2261 parentOffset.top -= offsetParent.scrollTop()
2262 parentOffset.left -= offsetParent.scrollLeft()
2265 top: offset.top - parentOffset.top - avalon.css(elem, "marginTop", true),
2266 left: offset.left - parentOffset.left - avalon.css(elem, "marginLeft", true)
2269 offsetParent: function() {
2270 var offsetParent = this[0].offsetParent
2271 while (offsetParent && avalon.css(offsetParent, "position") === "static") {
2272 offsetParent = offsetParent.offsetParent;
2274 return avalon(offsetParent || root)
2276 bind: function(type, fn, phase) {
2277 if (this[0]) { //此方法不会链
2278 return avalon.bind(this[0], type, fn, phase)
2281 unbind: function(type, fn, phase) {
2283 avalon.unbind(this[0], type, fn, phase)
2287 val: function(value) {
2289 if (node && node.nodeType === 1) {
2290 var get = arguments.length === 0
2291 var access = get ? ":get" : ":set"
2292 var fn = valHooks[getValType(node) + access]
2294 var val = fn(node, value)
2296 return (node.value || "").replace(/\r/g, "")
2301 return get ? val : this
2305 function parseData(data) {
2307 if (typeof data === "object")
2309 data = data === "true" ? true :
2310 data === "false" ? false :
2311 data === "null" ? null : +data + "" === data ? +data : rbrace.test(data) ? avalon.parseJSON(data) : data
2315 var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
2316 rvalidchars = /^[\],:{}\s]*$/,
2317 rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
2318 rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
2319 rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g
2320 avalon.parseJSON = window.JSON ? JSON.parse : function(data) {
2321 if (typeof data === "string") {
2324 if (rvalidchars.test(data.replace(rvalidescape, "@")
2325 .replace(rvalidtokens, "]")
2326 .replace(rvalidbraces, ""))) {
2327 return (new Function("return " + data))() // jshint ignore:line
2330 avalon.error("Invalid JSON: " + data)
2335 //生成avalon.fn.scrollLeft, avalon.fn.scrollTop方法
2337 scrollLeft: "pageXOffset",
2338 scrollTop: "pageYOffset"
2339 }, function(method, prop) {
2340 avalon.fn[method] = function(val) {
2341 var node = this[0] || {}, win = getWindow(node),
2342 top = method === "scrollTop"
2343 if (!arguments.length) {
2344 return win ? (prop in win) ? win[prop] : root[method] : node[method]
2347 win.scrollTo(!top ? val : avalon(win).scrollLeft(), top ? val : avalon(win).scrollTop())
2355 function getWindow(node) {
2356 return node.window && node.document ? node : node.nodeType === 9 ? node.defaultView || node.parentWindow : false;
2358 //=============================css相关=======================
2359 var cssHooks = avalon.cssHooks = {}
2360 var prefixes = ["", "-webkit-", "-o-", "-moz-", "-ms-"]
2362 "float": W3C ? "cssFloat" : "styleFloat"
2364 avalon.cssNumber = oneObject("columnCount,order,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom")
2366 avalon.cssName = function(name, host, camelCase) {
2370 host = host || root.style
2371 for (var i = 0, n = prefixes.length; i < n; i++) {
2372 camelCase = camelize(prefixes[i] + name)
2373 if (camelCase in host) {
2374 return (cssMap[name] = camelCase)
2379 cssHooks["@:set"] = function(node, name, value) {
2380 try { //node.style.width = NaN;node.style.width = "xxxxxxx";node.style.width = undefine 在旧式IE下会抛异常
2381 node.style[name] = value
2384 if (window.getComputedStyle) {
2385 cssHooks["@:get"] = function(node, name) {
2386 if (!node || !node.style) {
2387 throw new Error("getComputedStyle要求传入一个节点 " + node)
2389 var ret, styles = getComputedStyle(node, null)
2391 ret = name === "filter" ? styles.getPropertyValue(name) : styles[name]
2393 ret = node.style[name] //其他浏览器需要我们手动取内联样式
2398 cssHooks["opacity:get"] = function(node) {
2399 var ret = cssHooks["@:get"](node, "opacity")
2400 return ret === "" ? "1" : ret
2403 var rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i
2404 var rposition = /^(top|right|bottom|left)$/
2405 var ralpha = /alpha\([^)]*\)/i
2406 var ie8 = !! window.XDomainRequest
2407 var salpha = "DXImageTransform.Microsoft.Alpha"
2409 thin: ie8 ? '1px' : '2px',
2410 medium: ie8 ? '3px' : '4px',
2411 thick: ie8 ? '5px' : '6px'
2413 cssHooks["@:get"] = function(node, name) {
2414 //取得精确值,不过它有可能是带em,pc,mm,pt,%等单位
2415 var currentStyle = node.currentStyle
2416 var ret = currentStyle[name]
2417 if ((rnumnonpx.test(ret) && !rposition.test(ret))) {
2418 //①,保存原有的style.left, runtimeStyle.left,
2419 var style = node.style,
2421 rsLeft = node.runtimeStyle.left
2422 //②由于③处的style.left = xxx会影响到currentStyle.left,
2423 //因此把它currentStyle.left放到runtimeStyle.left,
2424 //runtimeStyle.left拥有最高优先级,不会style.left影响
2425 node.runtimeStyle.left = currentStyle.left
2426 //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
2427 //得到单位为px的结果;fontSize的分支见http://bugs.jquery.com/ticket/760
2428 style.left = name === 'fontSize' ? '1em' : (ret || 0)
2429 ret = style.pixelLeft + "px"
2430 //④还原 style.left,runtimeStyle.left
2432 node.runtimeStyle.left = rsLeft
2434 if (ret === "medium") {
2435 name = name.replace("Width", "Style")
2436 //border width 默认值为medium,即使其为0"
2437 if (currentStyle[name] === "none") {
2441 return ret === "" ? "auto" : border[ret] || ret
2443 cssHooks["opacity:set"] = function(node, name, value) {
2444 var style = node.style
2445 var opacity = isFinite(value) && value <= 1 ? "alpha(opacity=" + value * 100 + ")" : ""
2446 var filter = style.filter || "";
2449 //node.filters.alpha.opacity = value * 100
2450 style.filter = (ralpha.test(filter) ?
2451 filter.replace(ralpha, opacity) :
2452 filter + " " + opacity).trim()
2453 if (!style.filter) {
2454 style.removeAttribute("filter")
2457 cssHooks["opacity:get"] = function(node) {
2458 //这是最快的获取IE透明值的方式,不需要动用正则了!
2459 var alpha = node.filters.alpha || node.filters[salpha],
2460 op = alpha && alpha.enabled ? alpha.opacity : 100
2461 return (op / 100) + "" //确保返回的是字符串
2465 "top,left".replace(rword, function(name) {
2466 cssHooks[name + ":get"] = function(node) {
2467 var computed = cssHooks["@:get"](node, name)
2468 return /px$/.test(computed) ? computed :
2469 avalon(node).position()[name] + "px"
2474 position: "absolute",
2475 visibility: "hidden",
2479 var rdisplayswap = /^(none|table(?!-c[ea]).+)/
2481 function showHidden(node, array) {
2482 //http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html
2483 if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0
2484 if (rdisplayswap.test(cssHooks["@:get"](node, "display"))) {
2488 for (var name in cssShow) {
2489 obj[name] = node.style[name]
2490 node.style[name] = cssShow[name]
2494 var parent = node.parentNode
2495 if (parent && parent.nodeType === 1) {
2496 showHidden(parent, array)
2500 "Width,Height".replace(rword, function(name) { //fix 481
2501 var method = name.toLowerCase(),
2502 clientProp = "client" + name,
2503 scrollProp = "scroll" + name,
2504 offsetProp = "offset" + name
2505 cssHooks[method + ":get"] = function(node, which, override) {
2507 if (typeof override === "number") {
2508 boxSizing = override
2510 which = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"]
2511 var ret = node[offsetProp] // border-box 0
2512 if (boxSizing === 2) { // margin-box 2
2513 return ret + avalon.css(node, "margin" + which[0], true) + avalon.css(node, "margin" + which[1], true)
2515 if (boxSizing < 0) { // padding-box -2
2516 ret = ret - avalon.css(node, "border" + which[0] + "Width", true) - avalon.css(node, "border" + which[1] + "Width", true)
2518 if (boxSizing === -4) { // content-box -4
2519 ret = ret - avalon.css(node, "padding" + which[0], true) - avalon.css(node, "padding" + which[1], true)
2523 cssHooks[method + "&get"] = function(node) {
2525 showHidden(node, hidden);
2526 var val = cssHooks[method + ":get"](node)
2527 for (var i = 0, obj; obj = hidden[i++];) {
2529 for (var n in obj) {
2530 if (typeof obj[n] === "string") {
2531 node.style[n] = obj[n]
2537 avalon.fn[method] = function(value) { //会忽视其display
2539 if (arguments.length === 0) {
2540 if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替
2541 return node["inner" + name] || node.document.documentElement[clientProp]
2543 if (node.nodeType === 9) { //取得页面尺寸
2544 var doc = node.documentElement
2545 //FF chrome html.scrollHeight< body.scrollHeight
2546 //IE 标准模式 : html.scrollHeight> body.scrollHeight
2547 //IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点?
2548 return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp])
2550 return cssHooks[method + "&get"](node)
2552 return this.css(method, value)
2555 avalon.fn["inner" + name] = function() {
2556 return cssHooks[method + ":get"](this[0], void 0, -2)
2558 avalon.fn["outer" + name] = function(includeMargin) {
2559 return cssHooks[method + ":get"](this[0], void 0, includeMargin === true ? 2 : 0)
2562 avalon.fn.offset = function() { //取得距离页面左右角的坐标
2568 if (!node || !node.tagName || !node.ownerDocument) {
2571 var doc = node.ownerDocument,
2573 root = doc.documentElement,
2574 win = doc.defaultView || doc.parentWindow
2575 if (!avalon.contains(root, node)) {
2578 //http://hkom.blog1.fc2.com/?mode=m&no=750 body的偏移量是不包含margin的
2579 //我们可以通过getBoundingClientRect来获得元素相对于client的rect.
2580 //http://msdn.microsoft.com/en-us/library/ms536433.aspx
2581 if (node.getBoundingClientRect) {
2582 box = node.getBoundingClientRect() // BlackBerry 5, iOS 3 (original iPhone)
2584 //chrome/IE6: body.scrollTop, firefox/other: root.scrollTop
2585 var clientTop = root.clientTop || body.clientTop,
2586 clientLeft = root.clientLeft || body.clientLeft,
2587 scrollTop = Math.max(win.pageYOffset || 0, root.scrollTop, body.scrollTop),
2588 scrollLeft = Math.max(win.pageXOffset || 0, root.scrollLeft, body.scrollLeft)
2589 // 把滚动距离加到left,top中去。
2590 // 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
2591 // http://msdn.microsoft.com/en-us/library/ms533564(VS.85).aspx
2593 top: box.top + scrollTop - clientTop,
2594 left: box.left + scrollLeft - clientLeft
2598 //==================================val相关============================
2600 function getValType(elem) {
2601 var ret = elem.tagName.toLowerCase()
2602 return ret === "input" && /checkbox|radio/.test(elem.type) ? "checked" : ret
2604 var roption = /^<option(?:\s+\w+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s>]+))?)*\s+value[\s=]/i
2606 "option:get": IEVersion ? function(node) {
2607 //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)
2608 //specified并不可靠,因此通过分析outerHTML判定用户有没有显示定义value
2609 return roption.test(node.outerHTML) ? node.value : node.text.trim()
2610 } : function(node) {
2613 "select:get": function(node, value) {
2614 var option, options = node.options,
2615 index = node.selectedIndex,
2616 getter = valHooks["option:get"],
2617 one = node.type === "select-one" || index < 0,
2618 values = one ? null : [],
2619 max = one ? index + 1 : options.length,
2620 i = index < 0 ? max : one ? index : 0
2621 for (; i < max; i++) {
2623 //旧式IE在reset后不会改变selected,需要改用i === index判定
2624 //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
2625 //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
2626 if ((option.selected || i === index) && !option.disabled) {
2627 value = getter(option)
2631 //收集所有selected值组成数组返回
2637 "select:set": function(node, values, optionSet) {
2638 values = [].concat(values) //强制转换为数组
2639 var getter = valHooks["option:get"]
2640 for (var i = 0, el; el = node.options[i++];) {
2641 if ((el.selected = values.indexOf(getter(el)) > -1)) {
2646 node.selectedIndex = -1
2651 /*********************************************************************
2653 **********************************************************************/
2663 var quote = window.JSON && JSON.stringify || function(str) {
2664 return '"' + str.replace(/[\\\"\x00-\x1f]/g, function(a) {
2666 return typeof c === 'string' ? c :
2667 '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
2672 "break,case,catch,continue,debugger,default,delete,do,else,false",
2673 "finally,for,function,if,in,instanceof,new,null,return,switch,this",
2674 "throw,true,try,typeof,var,void,while,with", /* 关键字*/
2675 "abstract,boolean,byte,char,class,const,double,enum,export,extends",
2676 "final,float,goto,implements,import,int,interface,long,native",
2677 "package,private,protected,public,short,static,super,synchronized",
2678 "throws,transient,volatile", /*保留字*/
2679 "arguments,let,yield,undefined" /* ECMA 5 - use strict*/].join(",")
2680 var rrexpstr = /\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g
2681 var rsplit = /[^\w$]+/g
2682 var rkeywords = new RegExp(["\\b" + keywords.replace(/,/g, '\\b|\\b') + "\\b"].join('|'), 'g')
2683 var rnumber = /\b\d[^,]*/g
2684 var rcomma = /^,+|,+$/g
2685 var variablePool = new Cache(512)
2686 var getVariables = function (code) {
2687 var key = "," + code.trim()
2688 var ret = variablePool.get(key)
2693 .replace(rrexpstr, "")
2694 .replace(rsplit, ",")
2695 .replace(rkeywords, "")
2696 .replace(rnumber, "")
2697 .replace(rcomma, "")
2699 return variablePool.put(key, uniqSet(match))
2703 function addAssign(vars, scope, name, data) {
2705 prefix = " = " + name + "."
2706 for (var i = vars.length, prop; prop = vars[--i]; ) {
2707 if (scope.hasOwnProperty(prop)) {
2708 ret.push(prop + prefix + prop)
2709 data.vars.push(prop)
2710 if (data.type === "duplex") {
2711 vars.get = name + "." + prop
2719 function uniqSet(array) {
2722 for (var i = 0; i < array.length; i++) {
2724 var id = el && typeof el.$id === "string" ? el.$id : el
2726 unique[id] = ret.push(el)
2732 var evaluatorPool = new Cache(128)
2734 var rduplex = /\w\[.*\]|\w\.\w/
2735 var rproxy = /(\$proxy\$[a-z]+)\d+$/
2736 var rthimRightParentheses = /\)\s*$/
2737 var rthimOtherParentheses = /\)\s*\|/g
2738 var rquoteFilterName = /\|\s*([$\w]+)/g
2739 var rpatchBracket = /"\s*\["/g
2740 var rthimLeftParentheses = /"\s*\(/g
2741 function parseFilter(val, filters) {
2743 .replace(rthimRightParentheses, "")//处理最后的小括号
2744 .replace(rthimOtherParentheses, function () {//处理其他小括号
2747 .replace(rquoteFilterName, function (a, b) { //处理|及它后面的过滤器的名字
2748 return "[" + quote(b)
2750 .replace(rpatchBracket, function () {
2753 .replace(rthimLeftParentheses, function () {
2756 return "return avalon.filters.$filter(" + val + ", " + filters + ")"
2759 function parseExpr(code, scopes, data) {
2760 var dataType = data.type
2761 var filters = data.filters || ""
2762 var exprId = scopes.map(function (el) {
2763 return String(el.$id).replace(rproxy, "$1")
2764 }) + code + dataType + filters
2765 var vars = getVariables(code).concat(),
2770 //args 是一个对象数组, names 是将要生成的求值函数的参数
2771 scopes = uniqSet(scopes)
2773 for (var i = 0, sn = scopes.length; i < sn; i++) {
2775 var name = "vm" + expose + "_" + i
2777 args.push(scopes[i])
2778 assigns.push.apply(assigns, addAssign(vars, scopes[i], name, data))
2781 if (!assigns.length && dataType === "duplex") {
2784 if (dataType !== "duplex" && (code.indexOf("||") > -1 || code.indexOf("&&") > -1)) {
2785 //https://github.com/RubyLouvre/avalon/issues/583
2786 data.vars.forEach(function (v) {
2787 var reg = new RegExp("\\b" + v + "(?:\\.\\w+|\\[\\w+\\])+", "ig")
2788 code = code.replace(reg, function (_) {
2789 var c = _.charAt(v.length)
2790 var r = IEVersion ? code.slice(arguments[1] + _.length) : RegExp.rightContext
2791 var method = /^\s*\(/.test(r)
2792 if (c === "." || c === "[" || method) {//比如v为aa,我们只匹配aa.bb,aa[cc],不匹配aaa.xxx
2793 var name = "var" + String(Math.random()).replace(/^0\./, "")
2794 if (method) {//array.size()
2795 var array = _.split(".")
2796 if (array.length > 2) {
2797 var last = array.pop()
2798 assigns.push(name + " = " + array.join("."))
2799 return name + "." + last
2804 assigns.push(name + " = " + _)
2812 //---------------args----------------
2814 //---------------cache----------------
2816 var fn = evaluatorPool.get(exprId) //直接从缓存,免得重复生成
2821 prefix = assigns.join(", ")
2823 prefix = "var " + prefix
2825 if (/\S/.test(filters)) { //文本绑定,双工绑定才有过滤器
2826 if (!/text|html/.test(data.type)) {
2827 throw Error("ms-" + data.type + "不支持过滤器")
2829 code = "\nvar ret" + expose + " = " + code + ";\r\n"
2830 code += parseFilter("ret" + expose, filters)
2831 } else if (dataType === "duplex") { //双工绑定
2832 var _body = "'use strict';\nreturn function(vvv){\n\t" +
2834 ";\n\tif(!arguments.length){\n\t\treturn " +
2836 "\n\t}\n\t" + (!rduplex.test(code) ? vars.get : code) +
2839 fn = Function.apply(noop, names.concat(_body))
2840 data.evaluator = evaluatorPool.put(exprId, fn)
2842 log("debug: parse error," + e.message)
2845 } else if (dataType === "on") { //事件绑定
2846 if (code.indexOf("(") === -1) {
2847 code += ".call(this, $event)"
2849 code = code.replace("(", ".call(this,")
2851 names.push("$event")
2852 code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;")
2853 var lastIndex = code.lastIndexOf("\nreturn")
2854 var header = code.slice(0, lastIndex)
2855 var footer = code.slice(lastIndex)
2856 code = header + "\n" + footer
2858 code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;")
2861 fn = Function.apply(noop, names.concat("'use strict';\n" + prefix + code))
2862 data.evaluator = evaluatorPool.put(exprId, fn)
2864 log("debug: parse error," + e.message)
2866 vars = assigns = names = null //释放内存
2873 function parseExprProxy(code, scopes, data, tokens, noRegister) {
2874 if (Array.isArray(tokens)) {
2875 code = tokens.map(function (el) {
2876 return el.expr ? "(" + el.value + ")" : quote(el.value)
2879 parseExpr(code, scopes, data)
2880 if (data.evaluator && !noRegister) {
2881 data.handler = bindingExecutors[data.handlerName || data.type]
2883 //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
2885 avalon.injectBinding(data)
2888 avalon.parseExprProxy = parseExprProxy
2889 /*********************************************************************
2891 **********************************************************************/
2893 avalon.scan = function(elem, vmodel) {
2895 var vmodels = vmodel ? [].concat(vmodel) : []
2896 scanTag(elem, vmodels)
2899 //http://www.w3.org/TR/html5/syntax.html#void-elements
2900 var stopScan = oneObject("area,base,basefont,br,col,command,embed,hr,img,input,link,meta,param,source,track,wbr,noscript,script,style,textarea".toUpperCase())
2902 function checkScan(elem, callback, innerHTML) {
2903 var id = setTimeout(function() {
2904 var currHTML = elem.innerHTML
2906 if (currHTML === innerHTML) {
2909 checkScan(elem, callback, currHTML)
2915 function createSignalTower(elem, vmodel) {
2916 var id = elem.getAttribute("avalonctrl") || vmodel.$id
2917 elem.setAttribute("avalonctrl", id)
2918 vmodel.$events.expr = elem.tagName + '[avalonctrl="' + id + '"]'
2921 var getBindingCallback = function(elem, name, vmodels) {
2922 var callback = elem.getAttribute(name)
2924 for (var i = 0, vm; vm = vmodels[i++]; ) {
2925 if (vm.hasOwnProperty(callback) && typeof vm[callback] === "function") {
2932 function executeBindings(bindings, vmodels) {
2933 for (var i = 0, data; data = bindings[i++]; ) {
2934 data.vmodels = vmodels
2935 bindingHandlers[data.type](data, vmodels)
2936 if (data.evaluator && data.element && data.element.nodeType === 1) { //移除数据绑定,防止被二次解析
2937 //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
2938 data.element.removeAttribute(data.name)
2944 //https://github.com/RubyLouvre/avalon/issues/636
2945 var mergeTextNodes = IEVersion && window.MutationObserver ? function (elem) {
2946 var node = elem.firstChild, text
2948 var aaa = node.nextSibling
2949 if (node.nodeType === 3) {
2951 text.nodeValue += node.nodeValue
2952 elem.removeChild(node)
2962 var roneTime = /^\s*::/
2963 var rmsAttr = /ms-(\w+)-?(.*)/
2975 var events = oneObject("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit")
2976 var obsoleteAttrs = oneObject("value,title,alt,checked,selected,disabled,readonly,enabled")
2977 function bindingSorter(a, b) {
2978 return a.priority - b.priority
2981 function scanAttr(elem, vmodels, match) {
2983 if (vmodels.length) {
2984 var attributes = getAttributes ? getAttributes(elem) : elem.attributes
2988 for (var i = 0, attr; attr = attributes[i++]; ) {
2989 if (attr.specified) {
2990 if (match = attr.name.match(rmsAttr)) {
2993 var param = match[2] || ""
2994 var value = attr.value
2995 var name = attr.name
2999 } else if (obsoleteAttrs[type]) {
3000 if (type === "enabled") {//吃掉ms-enabled绑定,用ms-disabled代替
3001 log("warning!ms-enabled或ms-attr-enabled已经被废弃")
3003 value = "!(" + value + ")"
3007 name = "ms-" + type + "-"+ param
3008 fixAttrs.push([attr.name, name, value])
3010 msData[name] = value
3011 if (typeof bindingHandlers[type] === "function") {
3012 var newValue = value.replace(roneTime, "")
3013 var oneTime = value !== newValue
3021 uuid: name+"-"+getUid(elem),
3022 //chrome与firefox下Number(param)得到的值不一样 #855
3023 priority: (priorityMap[type] || type.charCodeAt(0) * 10 )+ (Number(param.replace(/\D/g, "")) || 0)
3025 if (type === "html" || type === "text") {
3026 var token = getToken(value)
3027 avalon.mix(binding, token)
3028 binding.filters = binding.filters.replace(rhasHtml, function () {
3029 binding.type = "html"
3032 })// jshint ignore:line
3033 } else if (type === "duplex") {
3034 var hasDuplex = name
3035 } else if (name === "ms-if-loop") {
3036 binding.priority += 100
3038 bindings.push(binding)
3039 if (type === "widget") {
3040 elem.msData = elem.msData || msData
3046 if (bindings.length) {
3047 bindings.sort(bindingSorter)
3048 fixAttrs.forEach(function (arr) {
3049 log("warning!请改用" + arr[1] + "代替" + arr[0] + "!")
3050 elem.removeAttribute(arr[0])
3051 elem.setAttribute(arr[1], arr[2])
3053 //http://bugs.jquery.com/ticket/7071
3054 //在IE下对VML读取type属性,会让此元素所有属性都变成<Failed>
3056 if (msData["ms-attr-checked"]) {
3057 log("warning!一个控件不能同时定义ms-attr-checked与" + hasDuplex)
3059 if (msData["ms-attr-value"]) {
3060 log("warning!一个控件不能同时定义ms-attr-value与" + hasDuplex)
3063 for (i = 0; binding = bindings[i]; i++) {
3065 if (rnoscanAttrBinding.test(type)) {
3066 return executeBindings(bindings.slice(0, i + 1), vmodels)
3067 } else if (scanNode) {
3068 scanNode = !rnoscanNodeBinding.test(type)
3071 executeBindings(bindings, vmodels)
3074 if (scanNode && !stopScan[elem.tagName] && rbind.test(elem.innerHTML.replace(rlt, "<").replace(rgt, ">"))) {
3075 mergeTextNodes && mergeTextNodes(elem)
3076 scanNodeList(elem, vmodels) //扫描子孙元素
3079 var rnoscanAttrBinding = /^if|widget|repeat$/
3080 var rnoscanNodeBinding = /^each|with|html|include$/
3081 //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,
3082 //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
3084 var attrPool = new Cache(512)
3085 var rattrs = /\s+(ms-[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g,
3087 rtag = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/i,
3089 //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
3090 //<body><section>ddd</section></body>
3091 // window.onload = function() {
3092 // var body = document.body
3093 // for (var i = 0, el; el = body.children[i++]; ) {
3094 // avalon.log(el.outerHTML)
3097 //依次输出<SECTION>, </SECTION>
3098 var getAttributes = function (elem) {
3099 var html = elem.outerHTML
3100 //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
3101 if (html.slice(0, 2) === "</" || !html.trim()) {
3104 var str = html.match(rtag)[0]
3105 var attributes = [],
3108 var ret = attrPool.get(str)
3112 while (k = rattrs.exec(str)) {
3115 v = (rquote.test(v) ? v.slice(1, -1) : v).replace(ramp, "&")
3117 var name = k[1].toLowerCase()
3118 match = name.match(rmsAttr)
3124 attributes.push(binding)
3126 return attrPool.put(str, attributes)
3130 function scanNodeList(parent, vmodels) {
3131 var nodes = avalon.slice(parent.childNodes)
3132 scanNodeArray(nodes, vmodels)
3135 function scanNodeArray(nodes, vmodels) {
3136 for (var i = 0, node; node = nodes[i++];) {
3137 switch (node.nodeType) {
3139 scanTag(node, vmodels) //扫描元素节点
3140 if (node.msCallback) {
3142 node.msCallback = void 0
3146 if(rexpr.test(node.nodeValue)){
3147 scanText(node, vmodels, i) //扫描文本节点
3155 function scanTag(elem, vmodels, node) {
3156 //扫描顺序 ms-skip(0) --> ms-important(1) --> ms-controller(2) --> ms-if(10) --> ms-repeat(100)
3157 //--> ms-if-loop(110) --> ms-attr(970) ...--> ms-each(1400)-->ms-with(1500)--〉ms-duplex(2000)垫后
3158 var a = elem.getAttribute("ms-skip")
3159 //#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
3160 if (!elem.getAttributeNode) {
3161 return log("warning " + elem.tagName + " no getAttributeNode method")
3163 var b = elem.getAttributeNode("ms-important")
3164 var c = elem.getAttributeNode("ms-controller")
3165 if (typeof a === "string") {
3167 } else if (node = b || c) {
3168 var newVmodel = avalon.vmodels[node.value]
3172 //ms-important不包含父VM,ms-controller相反
3173 vmodels = node === b ? [newVmodel] : [newVmodel].concat(vmodels)
3174 var name = node.name
3175 elem.removeAttribute(name) //removeAttributeNode不会刷新[ms-controller]样式规则
3176 avalon(elem).removeClass(name)
3177 createSignalTower(elem, newVmodel)
3179 scanAttr(elem, vmodels) //扫描特性节点
3181 var rhasHtml = /\|\s*html(?:\b|$)/,
3185 rstringLiteral = /(['"])(\\\1|.)+?\1/g
3186 function getToken(value) {
3187 if (value.indexOf("|") > 0) {
3188 var scapegoat = value.replace(rstringLiteral, function (_) {
3189 return Array(_.length + 1).join("1")// jshint ignore:line
3191 var index = scapegoat.replace(r11a, "\u1122\u3344").indexOf("|") //干掉所有短路或
3194 filters: value.slice(index),
3195 value: value.slice(0, index),
3207 function scanExpr(str) {
3212 stop = str.indexOf(openTag, start)
3216 value = str.slice(start, stop)
3217 if (value) { // {{ 左边的文本
3224 start = stop + openTag.length
3225 stop = str.indexOf(closeTag, start)
3229 value = str.slice(start, stop)
3230 if (value) { //处理{{ }}插值表达式
3231 tokens.push(getToken(value, start))
3233 start = stop + closeTag.length
3235 value = str.slice(start)
3236 if (value) { //}} 右边的文本
3246 function scanText(textNode, vmodels, index) {
3248 tokens = scanExpr(textNode.data)
3249 if (tokens.length) {
3250 for (var i = 0; token = tokens[i++]; ) {
3251 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
3253 token.value = token.value.replace(roneTime, function () {
3254 token.oneTime = true
3258 token.element = node
3259 token.filters = token.filters.replace(rhasHtml, function (a, b,c) {
3262 })// jshint ignore:line
3263 token.pos = index * 1000 + i
3264 bindings.push(token) //收集带有插值表达式的文本
3266 avalonFragment.appendChild(node)
3268 textNode.parentNode.replaceChild(avalonFragment, textNode)
3269 if (bindings.length)
3270 executeBindings(bindings, vmodels)
3274 var bools = ["autofocus,autoplay,async,allowTransparency,checked,controls",
3275 "declare,disabled,defer,defaultChecked,defaultSelected",
3276 "contentEditable,isMap,loop,multiple,noHref,noResize,noShade",
3277 "open,readOnly,selected"
3280 bools.replace(rword, function(name) {
3281 boolMap[name.toLowerCase()] = name
3284 var propMap = { //属性名映射
3285 "accept-charset": "acceptCharset",
3288 "class": "className",
3290 "http-equiv": "httpEquiv"
3293 var anomaly = ["accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan",
3294 "dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight",
3295 "rowSpan,tabIndex,useMap,vSpace,valueType,vAlign"
3297 anomaly.replace(rword, function(name) {
3298 propMap[name.toLowerCase()] = name
3301 var rnoscripts = /<noscript.*?>(?:[\s\S]+?)<\/noscript>/img
3302 var rnoscriptText = /<noscript.*?>([\s\S]+?)<\/noscript>/im
3304 var getXHR = function() {
3305 return new(window.XMLHttpRequest || ActiveXObject)("Microsoft.XMLHTTP") // jshint ignore:line
3308 var templatePool = avalon.templateCache = {}
3310 bindingHandlers.attr = function(data, vmodels) {
3311 var text = data.value.trim(),
3313 if (text.indexOf(openTag) > -1 && text.indexOf(closeTag) > 2) {
3315 if (rexpr.test(text) && RegExp.rightContext === "" && RegExp.leftContext === "") {
3320 if (data.type === "include") {
3321 var elem = data.element
3322 data.includeRendered = getBindingCallback(elem, "data-include-rendered", vmodels)
3323 data.includeLoaded = getBindingCallback(elem, "data-include-loaded", vmodels)
3324 var outer = data.includeReplace = !! avalon(elem).data("includeReplace")
3325 if (avalon(elem).data("includeCache")) {
3326 data.templateCache = {}
3328 data.startInclude = DOC.createComment("ms-include")
3329 data.endInclude = DOC.createComment("ms-include-end")
3331 data.element = data.startInclude
3332 elem.parentNode.insertBefore(data.startInclude, elem)
3333 elem.parentNode.insertBefore(data.endInclude, elem.nextSibling)
3335 elem.insertBefore(data.startInclude, elem.firstChild)
3336 elem.appendChild(data.endInclude)
3339 data.handlerName = "attr" //handleName用于处理多种绑定共用同一种bindingExecutor的情况
3340 parseExprProxy(text, vmodels, data, (simple ? 0 : scanExpr(data.value)))
3343 bindingExecutors.attr = function(val, elem, data) {
3344 var method = data.type,
3345 attrName = data.param
3346 if (method === "css") {
3347 avalon(elem).css(attrName, val)
3348 } else if (method === "attr") {
3350 // ms-attr-class="xxx" vm.xxx="aaa bbb ccc"将元素的className设置为aaa bbb ccc
3351 // ms-attr-class="xxx" vm.xxx=false 清空元素的所有类名
3352 // ms-attr-name="yyy" vm.yyy="ooo" 为元素设置name属性
3353 var toRemove = (val === false) || (val === null) || (val === void 0)
3355 if (!W3C && propMap[attrName]) { //旧式IE下需要进行名字映射
3356 attrName = propMap[attrName]
3358 var bool = boolMap[attrName]
3359 if (typeof elem[bool] === "boolean") {
3360 elem[bool] = !! val //布尔属性必须使用el.xxx = true|false方式设值
3361 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
3366 return elem.removeAttribute(attrName)
3368 //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
3369 var isInnate = rsvg.test(elem) ? false : (DOC.namespaces && isVML(elem)) ? true : attrName in elem.cloneNode(false)
3371 elem[attrName] = val+""
3373 elem.setAttribute(attrName, val)
3375 } else if (method === "include" && val) {
3376 var vmodels = data.vmodels
3377 var rendered = data.includeRendered
3378 var loaded = data.includeLoaded
3379 var replace = data.includeReplace
3380 var target = replace ? elem.parentNode : elem
3381 var scanTemplate = function(text) {
3383 var newText = loaded.apply(target, [text].concat(vmodels))
3384 if (typeof newText === "string")
3388 checkScan(target, function() {
3389 rendered.call(target)
3392 var lastID = data.includeLastID
3393 if (data.templateCache && lastID && lastID !== val) {
3394 var lastTemplate = data.templateCache[lastID]
3395 if (!lastTemplate) {
3396 lastTemplate = data.templateCache[lastID] = DOC.createElement("div")
3397 ifGroup.appendChild(lastTemplate)
3400 data.includeLastID = val
3402 var node = data.startInclude.nextSibling
3403 if (node && node !== data.endInclude) {
3404 target.removeChild(node)
3406 lastTemplate.appendChild(node)
3411 var dom = getTemplateNodes(data, val, text)
3412 var nodes = avalon.slice(dom.childNodes)
3413 target.insertBefore(dom, data.endInclude)
3414 scanNodeArray(nodes, vmodels)
3417 if (data.param === "src") {
3418 if (typeof templatePool[val] === "string") {
3419 avalon.nextTick(function() {
3420 scanTemplate(templatePool[val])
3422 } else if (Array.isArray(templatePool[val])) { //#805 防止在循环绑定中发出许多相同的请求
3423 templatePool[val].push(scanTemplate)
3426 xhr.onreadystatechange = function() {
3427 if (xhr.readyState === 4) {
3429 if (s >= 200 && s < 300 || s === 304 || s === 1223) {
3430 var text = xhr.responseText
3431 for (var f = 0, fn; fn = templatePool[val][f++];) {
3434 templatePool[val] = text
3438 templatePool[val] = [scanTemplate]
3439 xhr.open("GET", val, true)
3440 if ("withCredentials" in xhr) {
3441 xhr.withCredentials = true
3443 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")
3447 //IE系列与够新的标准浏览器支持通过ID取得元素(firefox14+)
3448 //http://tjvantoll.com/2012/07/19/dom-element-references-as-global-variables/
3449 var el = val && val.nodeType === 1 ? val : DOC.getElementById(val)
3451 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
3452 xhr = getXHR() //IE9-11与chrome的innerHTML会得到转义的内容,它们的innerText可以
3453 xhr.open("GET", location, false) //谢谢Nodejs 乱炖群 深圳-纯属虚构
3455 //http://bbs.csdn.net/topics/390349046?page=1#post-393492653
3456 var noscripts = DOC.getElementsByTagName("noscript")
3457 var array = (xhr.responseText || "").match(rnoscripts) || []
3458 var n = array.length
3459 for (var i = 0; i < n; i++) {
3460 var tag = noscripts[i]
3461 if (tag) { //IE6-8中noscript标签的innerHTML,innerText是只读的
3462 tag.style.display = "none" //http://haslayout.net/css/noscript-Ghost-Bug
3463 tag.fixIE78 = (array[i].match(rnoscriptText) || ["", " "])[1]
3467 avalon.nextTick(function() {
3468 scanTemplate(el.fixIE78 || el.value || el.innerText || el.innerHTML)
3473 if (!root.hasAttribute && typeof val === "string" && (method === "src" || method === "href")) {
3474 val = val.replace(/&/g, "&") //处理IE67自动转义的问题
3477 if (window.chrome && elem.tagName === "EMBED") {
3478 var parent = elem.parentNode //#525 chrome1-37下embed标签动态设置src不能发生请求
3479 var comment = document.createComment("ms-src")
3480 parent.replaceChild(comment, elem)
3481 parent.replaceChild(elem, comment)
3486 function getTemplateNodes(data, id, text) {
3487 var div = data.templateCache && data.templateCache[id]
3489 var dom = DOC.createDocumentFragment(),
3491 while (firstChild = div.firstChild) {
3492 dom.appendChild(firstChild)
3496 return avalon.parseHTML(text)
3499 //这几个指令都可以使用插值表达式,如ms-src="aaa/{{b}}/{{c}}.html"
3500 "title,alt,src,value,css,include,href".replace(rword, function(name) {
3501 bindingHandlers[name] = bindingHandlers.attr
3503 //根据VM的属性值或表达式的值切换类名,ms-class="xxx yyy zzz:flag"
3504 //http://www.cnblogs.com/rubylouvre/archive/2012/12/17/2818540.html
3505 bindingHandlers["class"] = function(data, vmodels) {
3506 var oldStyle = data.param,
3509 data.handlerName = "class"
3510 if (!oldStyle || isFinite(oldStyle)) {
3511 data.param = "" //去掉数字
3512 var noExpr = text.replace(rexprg, function(a) {
3513 return a.replace(/./g, "0")
3514 //return Math.pow(10, a.length - 1) //将插值表达式插入10的N-1次方来占位
3516 var colonIndex = noExpr.indexOf(":") //取得第一个冒号的位置
3517 if (colonIndex === -1) { // 比如 ms-class="aaa bbb ccc" 的情况
3518 var className = text
3519 } else { // 比如 ms-class-1="ui-state-active:checked" 的情况
3520 className = text.slice(0, colonIndex)
3521 rightExpr = text.slice(colonIndex + 1)
3522 parseExpr(rightExpr, vmodels, data) //决定是添加还是删除
3523 if (!data.evaluator) {
3524 log("debug: ms-class '" + (rightExpr || "").trim() + "' 不存在于VM中")
3527 data._evaluator = data.evaluator
3528 data._args = data.args
3531 var hasExpr = rexpr.test(className) //比如ms-class="width{{w}}"的情况
3533 data.immobileClass = className
3535 parseExprProxy("", vmodels, data, (hasExpr ? scanExpr(className) : 0))
3537 data.immobileClass = data.oldStyle = data.param
3538 parseExprProxy(text, vmodels, data)
3542 bindingExecutors["class"] = function(val, elem, data) {
3543 var $elem = avalon(elem),
3545 if (method === "class" && data.oldStyle) { //如果是旧风格
3546 $elem.toggleClass(data.oldStyle, !! val)
3549 data.toggleClass = data._evaluator ? !! data._evaluator.apply(elem, data._args) : true
3550 data.newClass = data.immobileClass || val
3551 if (data.oldClass && data.newClass !== data.oldClass) {
3552 $elem.removeClass(data.oldClass)
3554 data.oldClass = data.newClass
3557 $elem.toggleClass(data.newClass, data.toggleClass)
3561 if (!data.hasBindEvent) { //确保只绑定一次
3562 var activate = "mouseenter" //在移出移入时切换类名
3563 var abandon = "mouseleave"
3564 if (method === "active") { //在聚焦失焦中切换类名
3565 elem.tabIndex = elem.tabIndex || -1
3566 activate = "mousedown"
3568 var fn0 = $elem.bind("mouseleave", function() {
3569 data.toggleClass && $elem.removeClass(data.newClass)
3572 var fn1 = $elem.bind(activate, function() {
3573 data.toggleClass && $elem.addClass(data.newClass)
3575 var fn2 = $elem.bind(abandon, function() {
3576 data.toggleClass && $elem.removeClass(data.newClass)
3578 data.rollback = function() {
3579 $elem.unbind("mouseleave", fn0)
3580 $elem.unbind(activate, fn1)
3581 $elem.unbind(abandon, fn2)
3583 data.hasBindEvent = true
3590 "hover,active".replace(rword, function(method) {
3591 bindingHandlers[method] = bindingHandlers["class"]
3593 //ms-controller绑定已经在scanTag 方法中实现
3594 //ms-css绑定已由ms-attr绑定实现
3597 // bindingHandlers.data 定义在if.js
3598 bindingExecutors.data = function(val, elem, data) {
3599 var key = "data-" + data.param
3600 if (val && typeof val === "object") {
3603 elem.setAttribute(key, String(val))
3607 var duplexBinding = bindingHandlers.duplex = function(data, vmodels) {
3608 var elem = data.element,
3610 parseExprProxy(data.value, vmodels, data, 0, 1)
3612 data.changed = getBindingCallback(elem, "data-duplex-changed", vmodels) || noop
3613 if (data.evaluator && data.args) {
3615 var casting = oneObject("string,number,boolean,checked")
3616 if (elem.type === "radio" && data.param === "") {
3617 data.param = "checked"
3620 elem.msData["ms-duplex"] = data.value
3622 data.param.replace(/\w+/g, function(name) {
3623 if (/^(checkbox|radio)$/.test(elem.type) && /^(radio|checked)$/.test(name)) {
3624 if (name === "radio")
3625 log("ms-duplex-radio已经更名为ms-duplex-checked")
3627 data.isChecked = true
3629 if (name === "bool") {
3631 log("ms-duplex-bool已经更名为ms-duplex-boolean")
3632 } else if (name === "text") {
3634 log("ms-duplex-text已经更名为ms-duplex-string")
3636 if (casting[name]) {
3639 avalon.Array.ensure(params, name)
3642 params.push("string")
3644 data.param = params.join("-")
3645 data.bound = function(type, callback) {
3646 if (elem.addEventListener) {
3647 elem.addEventListener(type, callback, false)
3649 elem.attachEvent("on" + type, callback)
3651 var old = data.rollback
3652 data.rollback = function() {
3653 elem.avalonSetter = null
3654 avalon.unbind(elem, type, callback)
3658 for (var i in avalon.vmodels) {
3659 var v = avalon.vmodels[i]
3660 v.$fire("avalon-ms-duplex-init", data)
3662 var cpipe = data.pipe || (data.pipe = pipe)
3663 cpipe(null, data, "init")
3664 var tagName = elem.tagName
3665 duplexBinding[tagName] && duplexBinding[tagName](elem, data.evaluator.apply(null, data.args), data)
3668 //不存在 bindingExecutors.duplex
3670 function fixNull(val) {
3671 return val == null ? "" : val
3673 avalon.duplexHooks = {
3675 get: function(val, data) {
3676 return !data.element.oldValue
3680 get: function(val) { //同步到VM
3686 get: function(val) {
3687 return val === "true"
3692 get: function(val, data) {
3693 var number = parseFloat(val)
3694 if (-val === -number) {
3697 var arr = /strong|medium|weak/.exec(data.element.getAttribute("data-duplex-number")) || ["medium"]
3702 return val === "" ? "" : 0
3711 function pipe(val, data, action, e) {
3712 data.param.replace(/\w+/g, function(name) {
3713 var hook = avalon.duplexHooks[name]
3714 if (hook && typeof hook[action] === "function") {
3715 val = hook[action](val, data)
3721 var TimerID, ribbon = []
3723 avalon.tick = function(fn) {
3724 if (ribbon.push(fn) === 1) {
3725 TimerID = setInterval(ticker, 60)
3730 for (var n = ribbon.length - 1; n >= 0; n--) {
3732 if (el() === false) {
3736 if (!ribbon.length) {
3737 clearInterval(TimerID)
3741 var watchValueInTimer = noop
3742 var rmsinput = /text|password|hidden/
3743 new function() { // jshint ignore:line
3744 try { //#272 IE9-IE11, firefox
3746 var aproto = HTMLInputElement.prototype
3747 var bproto = HTMLTextAreaElement.prototype
3748 function newSetter(value) { // jshint ignore:line
3749 setters[this.tagName].call(this, value)
3750 if (rmsinput.test(this.type) && !this.msFocus && this.avalonSetter) {
3754 var inputProto = HTMLInputElement.prototype
3755 Object.getOwnPropertyNames(inputProto) //故意引发IE6-8等浏览器报错
3756 setters["INPUT"] = Object.getOwnPropertyDescriptor(aproto, "value").set
3758 Object.defineProperty(aproto, "value", {
3761 setters["TEXTAREA"] = Object.getOwnPropertyDescriptor(bproto, "value").set
3762 Object.defineProperty(bproto, "value", {
3766 //在chrome 43中 ms-duplex终于不需要使用定时器实现双向绑定了
3767 // http://updates.html5rocks.com/2015/04/DOM-attributes-now-on-the-prototype
3768 // https://docs.google.com/document/d/1jwA8mtClwxI-QJuHT7872Z0pxpZz8PBkf2bGAbsUtqs/edit?pli=1
3769 watchValueInTimer = avalon.tick
3771 } // jshint ignore:line
3773 avalon.bind(DOC, "selectionchange", function(e) {
3774 var el = DOC.activeElement
3775 if (el && typeof el.avalonSetter === "function") {
3781 //处理radio, checkbox, text, textarea, password
3782 duplexBinding.INPUT = function(element, evaluator, data) {
3783 var $type = element.type,
3785 $elem = avalon(element),
3788 function callback(value) {
3789 data.changed.call(this, value, data)
3792 function compositionStart() {
3796 function compositionEnd() {
3799 //当value变化时改变model的值
3800 var updateVModel = function() {
3801 if (composing) //处理中文输入法在minlengh下引发的BUG
3803 var val = element.oldValue = element.value //防止递归调用形成死循环
3804 var lastValue = data.pipe(val, data, "get")
3805 if ($elem.data("duplexObserve") !== false) {
3806 evaluator(lastValue)
3807 callback.call(element, lastValue)
3808 if ($elem.data("duplex-focus")) {
3809 avalon.nextTick(function() {
3815 //当model变化时,它就会改变value的值
3816 data.handler = function() {
3817 var val = data.pipe(evaluator(), data, "set") + "" //fix #673
3818 if (val !== element.oldValue) {
3822 if (data.isChecked || $type === "radio") {
3823 var IE6 = IEVersion === 6
3824 updateVModel = function() {
3825 if ($elem.data("duplexObserve") !== false) {
3826 var lastValue = data.pipe(element.value, data, "get")
3827 evaluator(lastValue)
3828 callback.call(element, lastValue)
3831 data.handler = function() {
3832 var val = evaluator()
3833 var checked = data.isChecked ? !! val : val + "" === element.value
3834 element.oldValue = checked
3836 setTimeout(function() {
3837 //IE8 checkbox, radio是使用defaultChecked控制选中状态,
3838 //并且要先设置defaultChecked后设置checked
3840 element.defaultChecked = checked
3841 element.checked = checked
3844 element.checked = checked
3847 bound("click", updateVModel)
3848 } else if ($type === "checkbox") {
3849 updateVModel = function() {
3850 if ($elem.data("duplexObserve") !== false) {
3851 var method = element.checked ? "ensure" : "remove"
3852 var array = evaluator()
3853 if (!Array.isArray(array)) {
3854 log("ms-duplex应用于checkbox上要对应一个数组")
3857 var val = data.pipe(element.value, data, "get")
3858 avalon.Array[method](array, val)
3859 callback.call(element, array)
3863 data.handler = function() {
3864 var array = [].concat(evaluator()) //强制转换为数组
3865 var val = data.pipe(element.value, data, "get")
3866 element.checked = array.indexOf(val) > -1
3868 bound(W3C ? "change" : "click", updateVModel)
3870 var events = element.getAttribute("data-duplex-event") || "input"
3871 if (element.attributes["data-event"]) {
3872 log("data-event指令已经废弃,请改用data-duplex-event")
3875 function delay(e) { // jshint ignore:line
3876 setTimeout(function() {
3880 events.replace(rword, function(name) {
3883 if (!IEVersion) { // W3C
3884 bound("input", updateVModel)
3886 bound("compositionstart", compositionStart)
3887 bound("compositionend", compositionEnd)
3888 bound("DOMAutoComplete", updateVModel)
3889 } else { //onpropertychange事件无法区分是程序触发还是用户触发
3890 // 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
3891 if (IEVersion > 8) {
3892 bound("input", updateVModel) //IE9使用propertychange无法监听中文输入改动
3894 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
3895 if (e.propertyName === "value") {
3900 bound("dragend", delay)
3901 //http://www.cnblogs.com/rubylouvre/archive/2013/02/17/2914604.html
3902 //http://www.matts411.com/post/internet-explorer-9-oninput/
3906 bound(name, updateVModel)
3910 bound("focus", function() {
3911 element.msFocus = true
3913 bound("blur", function() {
3914 element.msFocus = false
3917 if (rmsinput.test($type)) {
3918 watchValueInTimer(function() {
3919 if (root.contains(element)) {
3920 if (!element.msFocus && element.oldValue !== element.value) {
3923 } else if (!element.msRetain) {
3929 element.avalonSetter = updateVModel //#765
3932 element.oldValue = element.value
3933 avalon.injectBinding(data)
3934 callback.call(element, element.value)
3936 duplexBinding.TEXTAREA = duplexBinding.INPUT
3937 duplexBinding.SELECT = function(element, evaluator, data) {
3938 var $elem = avalon(element)
3940 function updateVModel() {
3941 if ($elem.data("duplexObserve") !== false) {
3942 var val = $elem.val() //字符串或字符串数组
3943 if (Array.isArray(val)) {
3944 val = val.map(function(v) {
3945 return data.pipe(v, data, "get")
3948 val = data.pipe(val, data, "get")
3950 if (val + "" !== element.oldValue) {
3953 data.changed.call(element, val, data)
3956 data.handler = function() {
3957 var val = evaluator()
3958 val = val && val.$model || val
3959 if (Array.isArray(val)) {
3960 if (!element.multiple) {
3961 log("ms-duplex在<select multiple=true>上要求对应一个数组")
3964 if (element.multiple) {
3965 log("ms-duplex在<select multiple=false>不能对应一个数组")
3969 val = Array.isArray(val) ? val.map(String) : val + ""
3970 if (val + "" !== element.oldValue) {
3972 element.oldValue = val + ""
3975 data.bound("change", updateVModel)
3976 element.msCallback = function() {
3977 avalon.injectBinding(data)
3978 data.changed.call(element, evaluator(), data)
3981 // bindingHandlers.html 定义在if.js
3982 bindingExecutors.html = function (val, elem, data) {
3983 var isHtmlFilter = elem.nodeType !== 1
3984 var parent = isHtmlFilter ? elem.parentNode : elem
3987 val = val == null ? "" : val
3988 if (data.oldText !== val) {
3993 if (elem.nodeType === 3) {
3994 var signature = generateID("html")
3995 parent.insertBefore(DOC.createComment(signature), elem)
3996 data.element = DOC.createComment(signature + ":end")
3997 parent.replaceChild(data.element, elem)
4000 if (typeof val !== "object") {//string, number, boolean
4001 var fragment = avalon.parseHTML(String(val))
4002 } else if (val.nodeType === 11) { //将val转换为文档碎片
4004 } else if (val.nodeType === 1 || val.item) {
4005 var nodes = val.nodeType === 1 ? val.childNodes : val.item
4006 fragment = avalonFragment.cloneNode(true)
4008 fragment.appendChild(nodes[0])
4012 nodes = avalon.slice(fragment.childNodes)
4013 //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
4015 var endValue = elem.nodeValue.slice(0, -4)
4017 var node = elem.previousSibling
4018 if (!node || node.nodeType === 8 && node.nodeValue === endValue) {
4021 parent.removeChild(node)
4024 parent.insertBefore(fragment, elem)
4026 avalon.clearHTML(elem).appendChild(fragment)
4028 scanNodeArray(nodes, data.vmodels)
4030 bindingHandlers["if"] =
4031 bindingHandlers.data =
4032 bindingHandlers.text =
4033 bindingHandlers.html =
4034 function(data, vmodels) {
4035 parseExprProxy(data.value, vmodels, data)
4038 bindingExecutors["if"] = function(val, elem, data) {
4040 if(!elem.parentNode) return
4043 if (elem.nodeType === 8) {
4044 elem.parentNode.replaceChild(data.template, elem)
4045 // animate.enter(data.template, elem.parentNode)
4046 elem = data.element = data.template //这时可能为null
4048 if (elem.getAttribute(data.name)) {
4049 elem.removeAttribute(data.name)
4050 scanAttr(elem, data.vmodels)
4052 data.rollback = null
4053 } else { //移出DOM树,并用注释节点占据原位置
4054 if (elem.nodeType === 1) {
4055 var node = data.element = DOC.createComment("ms-if")
4056 elem.parentNode.replaceChild(node, elem)
4057 // animate.leave(elem, node.parentNode, node)
4058 data.template = elem //元素节点
4059 ifGroup.appendChild(elem)
4060 data.rollback = function() {
4061 if (elem.parentNode === ifGroup) {
4062 ifGroup.removeChild(elem)
4068 //ms-important绑定已经在scanTag 方法中实现
4069 //ms-include绑定已由ms-attr绑定实现
4071 var rdash = /\(([^)]*)\)/
4072 bindingHandlers.on = function(data, vmodels) {
4073 var value = data.value
4075 var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
4076 if (typeof bindingHandlers.on[eventType + "Hook"] === "function") {
4077 bindingHandlers.on[eventType + "Hook"](data)
4079 if (value.indexOf("(") > 0 && value.indexOf(")") > -1) {
4080 var matched = (value.match(rdash) || ["", ""])[1].trim()
4081 if (matched === "" || matched === "$event") { // aaa() aaa($event)当成aaa处理
4082 value = value.replace(rdash, "")
4085 parseExprProxy(value, vmodels, data)
4088 bindingExecutors.on = function(callback, elem, data) {
4089 callback = function(e) {
4090 var fn = data.evaluator || noop
4091 return fn.apply(this, data.args.concat(e))
4093 var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
4094 if (eventType === "scan") {
4095 callback.call(elem, {
4098 } else if (typeof data.specialBind === "function") {
4099 data.specialBind(elem, callback)
4101 var removeFn = avalon.bind(elem, eventType, callback)
4103 data.rollback = function() {
4104 if (typeof data.specialUnbind === "function") {
4105 data.specialUnbind()
4107 avalon.unbind(elem, eventType, removeFn)
4111 bindingHandlers.repeat = function (data, vmodels) {
4112 var type = data.type
4113 parseExprProxy(data.value, vmodels, data, 0, 1)
4117 var $repeat = data.$repeat = data.evaluator.apply(0, data.args || [])
4118 var xtype = avalon.type($repeat)
4119 if (xtype !== "object" && xtype !== "array") {
4121 avalon.log("warning:" + data.value + "只能是对象或数组")
4126 var arr = data.value.split(".") || []
4127 if (arr.length > 1) {
4130 for (var i = 0, v; v = vmodels[i++]; ) {
4131 if (v && v.hasOwnProperty(n)) {
4132 var events = v[n].$events || {}
4133 events[subscribers] = events[subscribers] || []
4134 events[subscribers].push(data)
4140 var elem = data.element
4141 if (elem.nodeType === 1) {
4142 elem.removeAttribute(data.name)
4143 data.sortedCallback = getBindingCallback(elem, "data-with-sorted", vmodels)
4144 data.renderedCallback = getBindingCallback(elem, "data-" + type + "-rendered", vmodels)
4145 var signature = generateID(type)
4146 var start = DOC.createComment(signature)
4147 var end = DOC.createComment(signature + ":end")
4148 data.signature = signature
4149 data.template = avalonFragment.cloneNode(false)
4150 if (type === "repeat") {
4151 var parent = elem.parentNode
4152 parent.replaceChild(end, elem)
4153 parent.insertBefore(start, end)
4154 data.template.appendChild(elem)
4156 while (elem.firstChild) {
4157 data.template.appendChild(elem.firstChild)
4159 elem.appendChild(start)
4160 elem.appendChild(end)
4163 data.handler = bindingExecutors.repeat
4164 data.rollback = function () {
4165 var elem = data.element
4168 data.handler("clear")
4179 if (Array.isArray($repeat)) {
4184 for (i = 0; v = vmodels[i++]; ) {
4185 if (v.hasOwnProperty(check0) && v.hasOwnProperty(check1)) {
4190 var $events = $repeat.$events
4191 var $list = ($events || {})[subscribers]
4192 injectDependency($list, data)
4193 if (xtype === "object") {
4195 $repeat.$proxy || ($repeat.$proxy = {})
4196 data.handler("append", $repeat)
4197 } else if ($repeat.length) {
4198 data.handler("add", 0, $repeat.length)
4202 bindingExecutors.repeat = function (method, pos, el) {
4203 if (!method && this.$with) {
4208 var data = this, start, fragment
4209 var end = data.element
4210 var comments = getComments(data)
4211 var parent = end.parentNode
4212 var proxies = data.proxies
4213 var transation = avalonFragment.cloneNode(false)
4215 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)
4218 for (var i = pos; i < n; i++) {
4219 var proxy = eachProxyAgent(i, data)
4220 proxies.splice(i, 0, proxy)
4221 shimController(data, transation, proxy, fragments)
4223 var now = new Date() - 0
4224 avalon.optimize = avalon.optimize || now
4225 for (i = 0; fragment = fragments[i++]; ) {
4226 scanNodeArray(fragment.nodes, fragment.vmodels)
4227 fragment.nodes = fragment.vmodels = null
4229 if (avalon.optimize === now) {
4230 avalon.optimize = null
4232 parent.insertBefore(transation, comments[pos] || end)
4233 avalon.profile("插入操作花费了 " + (new Date - now))
4235 case "del": //将pos后的el个元素删掉(pos, el都是数字)
4236 sweepNodes(comments[pos], comments[pos + el] || end)
4237 var removed = proxies.splice(pos, el)
4238 recycleProxies(removed, "each")
4243 sweepNodes(start, end)
4245 parent.insertBefore(start, end)
4248 recycleProxies(proxies, "each")
4253 var signature = start.nodeValue
4257 sweepNodes(start, end, function () {
4259 if (this.nodeValue === signature) {
4264 sortByIndex(rooms, pos)
4265 sortByIndex(proxies, pos)
4266 while (room = rooms.shift()) {
4267 while (node = room.shift()) {
4268 transation.appendChild(node)
4271 parent.insertBefore(transation, end)
4274 case "index": //将proxies中的第pos个起的所有元素重新索引
4275 var last = proxies.length - 1
4276 for (; el = proxies[pos]; pos++) {
4278 el.$first = pos === 0
4279 el.$last = pos === last
4282 case "set": //将proxies中的第pos个元素的VM设置为el(pos为数字,el任意)
4283 proxy = proxies[pos]
4285 fireDependencies(proxy.$events[data.param || "el"])
4289 var object = data.$repeat //原来第2参数, 被循环对象
4290 var oldProxy = object.$proxy //代理对象组成的hash
4292 now = new Date() - 0
4293 avalon.optimize = avalon.optimize || now
4294 if (flag === "update") {
4295 if (!data.evaluator) {
4296 parseExprProxy(data.value, data.vmodels, data, 0, 1)
4298 object = data.$repeat = data.evaluator.apply(0, data.args || [])
4299 object.$proxy = oldProxy
4301 var pool = object.$proxy || {}
4303 var nodes = data.element.parentNode.childNodes
4305 for (i = 0; node = nodes[i++]; ) {
4306 if (node.nodeValue === data.signature) {
4308 } else if (node.nodeValue === data.signature + ":end") {
4316 var indexNode = [], item
4317 var keyIndex = data.keyIndex || (data.keyIndex = {})
4319 for ( i = 0; i < removed.length; i++) {
4321 if (el.nodeValue === data.signature) {
4322 item = avalonFragment.cloneNode(false)
4323 indexNode.push(item)
4325 item.appendChild(el)
4329 for (var key in object) { //当前对象的所有键名
4330 if (object.hasOwnProperty(key) && key !== "hasOwnProperty" && key !== "$proxy") {
4335 for (var i = 0; key = keys[i++]; ) {
4336 if (!pool.hasOwnProperty(key)) {//添加缺失的代理VM
4337 pool[key] = withProxyAgent(pool[key], key, data)
4339 pool[key].$val = object[key]
4343 for ( key in pool) {
4344 if (keys.indexOf(key) === -1) {//删除没用的代理VM
4345 proxyRecycler(pool[key], withProxyPool) //去掉之前的代理VM
4350 var renderKeys = keys //需要渲染到DOM树去的键名
4351 var end = data.element
4352 if (data.sortedCallback) { //如果有回调,则让它们排序
4353 var keys2 = data.sortedCallback.call(parent, keys)
4354 if (keys2 && Array.isArray(keys2)) {
4359 for (i = 0; i < renderKeys.length; i++) {
4361 if (typeof keyIndex[key] === "number") {
4362 transation.appendChild(indexNode[keyIndex[key]])
4365 shimController(data, transation, pool[key], fragments)
4369 for (i = 0; i < renderKeys.length; i++) {
4370 keyIndex[renderKeys[i]] = i
4373 for (i = 0; fragment = fragments[i++]; ) {
4374 if (fragment.nodes) {
4375 scanNodeArray(fragment.nodes, fragment.vmodels)
4376 fragment.nodes = fragment.vmodels = null
4379 if (avalon.optimize === now) {
4380 avalon.optimize = null
4382 parent.insertBefore(transation, end)
4383 avalon.profile("插入操作花费了 " + (new Date - now))
4386 if (!data.$repeat || data.$repeat.hasOwnProperty("$lock")) //IE6-8 VBScript对象会报错, 有时候data.$repeat不存在
4388 if (method === "clear")
4390 var callback = data.renderedCallback || noop,
4392 if (parent.oldValue && parent.tagName === "SELECT") { //fix #503
4393 avalon(parent).val(parent.oldValue.split(","))
4395 callback.apply(parent, args)
4398 "with,each".replace(rword, function (name) {
4399 bindingHandlers[name] = bindingHandlers.repeat
4402 function shimController(data, transation, proxy, fragments) {
4403 var content = data.template.cloneNode(true)
4404 var nodes = avalon.slice(content.childNodes)
4405 content.insertBefore(DOC.createComment(data.signature), content.firstChild)
4406 transation.appendChild(content)
4407 var nv = [proxy].concat(data.vmodels)
4412 fragments.push(fragment)
4415 function getComments(data) {
4417 var nodes = data.element.parentNode.childNodes
4418 for(var i= 0, node; node = nodes[i++];){
4419 if(node.nodeValue === data.signature){
4421 }else if(node.nodeValue === data.signature+":end"){
4429 //移除掉start与end之间的节点(保留end)
4430 function sweepNodes(start, end, callback) {
4432 var node = end.previousSibling
4435 node.parentNode.removeChild(node)
4436 callback && callback.call(node)
4437 if (node === start) {
4443 // 为ms-each,ms-with, ms-repeat会创建一个代理VM,
4444 // 通过它们保持一个下上文,让用户能调用$index,$first,$last,$remove,$key,$val,$outer等属性与方法
4445 // 所有代理VM的产生,消费,收集,存放通过xxxProxyFactory,xxxProxyAgent, recycleProxies,xxxProxyPool实现
4446 var withProxyPool = []
4447 function withProxyFactory() {
4448 var proxy = modelFactory({
4454 return this.$host[this.$key]
4456 set: function (val) {
4457 this.$host[this.$key] = val
4463 proxy.$id = generateID("$proxy$with")
4467 function withProxyAgent(proxy, key, data) {
4468 proxy = proxy || withProxyPool.pop()
4470 proxy = withProxyFactory()
4472 proxy.$reinitialize()
4474 var host = data.$repeat
4477 proxy.$outer = data.$outer
4479 proxy.$events.$val = host.$events[key]
4487 function recycleProxies(proxies) {
4488 eachProxyRecycler(proxies)
4490 function eachProxyRecycler(proxies) {
4491 proxies.forEach(function (proxy) {
4492 proxyRecycler(proxy, eachProxyPool)
4498 var eachProxyPool = []
4499 function eachProxyFactory(name) {
4506 $remove: avalon.noop
4510 var e = this.$events
4511 var array = e.$index
4512 e.$index = e[name] //#817 通过$index为el收集依赖
4514 return this.$host[this.$index]
4519 set: function (val) {
4521 var e = this.$events
4522 var array = e.$index
4524 this.$host.set(this.$index, val)
4535 var proxy = modelFactory(source, second)
4536 proxy.$id = generateID("$proxy$each")
4540 function eachProxyAgent(index, data) {
4541 var param = data.param || "el",
4543 for (var i = 0, n = eachProxyPool.length; i < n; i++) {
4544 var candidate = eachProxyPool[i]
4545 if (candidate && candidate.hasOwnProperty(param)) {
4547 eachProxyPool.splice(i, 1)
4551 proxy = eachProxyFactory(param)
4553 var host = data.$repeat
4554 var last = host.length - 1
4555 proxy.$index = index
4556 proxy.$first = index === 0
4557 proxy.$last = index === last
4559 proxy.$outer = data.$outer
4560 proxy.$remove = function () {
4561 return host.removeAt(proxy.$index)
4567 function proxyRecycler(proxy, proxyPool) {
4568 for (var i in proxy.$events) {
4569 if (Array.isArray(proxy.$events[i])) {
4570 proxy.$events[i].forEach(function (data) {
4571 if (typeof data === "object")
4573 })// jshint ignore:line
4574 proxy.$events[i].length = 0
4577 proxy.$host = proxy.$outer = {}
4578 if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) {
4582 /*********************************************************************
4584 **********************************************************************/
4585 //ms-skip绑定已经在scanTag 方法中实现
4586 // bindingHandlers.text 定义在if.js
4587 bindingExecutors.text = function(val, elem) {
4588 val = val == null ? "" : val //不在页面上显示undefined null
4589 if (elem.nodeType === 3) { //绑定在文本节点上
4590 try { //IE对游离于DOM树外的节点赋值会报错
4594 if ("textContent" in elem) {
4595 elem.textContent = val
4597 elem.innerText = val
4601 function parseDisplay(nodeName, val) {
4602 //用于取得此类标签的默认display值
4603 var key = "_" + nodeName
4604 if (!parseDisplay[key]) {
4605 var node = DOC.createElement(nodeName)
4606 root.appendChild(node)
4608 val = getComputedStyle(node, null).display
4610 val = node.currentStyle.display
4612 root.removeChild(node)
4613 parseDisplay[key] = val
4615 return parseDisplay[key]
4618 avalon.parseDisplay = parseDisplay
4620 bindingHandlers.visible = function(data, vmodels) {
4621 var elem = data.element
4622 var display = elem.style.display
4623 if(display === "none"){
4624 display = parseDisplay(elem.nodeName)
4626 data.display = display
4627 parseExprProxy(data.value, vmodels, data)
4630 bindingExecutors.visible = function(val, elem, data) {
4631 elem.style.display = val ? data.display : "none"
4633 bindingHandlers.widget = function(data, vmodels) {
4634 var args = data.value.match(rword)
4635 var elem = data.element
4636 var widget = args[0]
4638 if (!id || id === "$") { //没有定义或为$时,取组件名+随机数
4639 id = generateID(widget)
4641 var optName = args[2] || widget //没有定义,取组件名
4642 var constructor = avalon.ui[widget]
4643 if (typeof constructor === "function") { //ms-widget="tabs,tabsAAA,optname"
4644 vmodels = elem.vmodels || vmodels
4645 for (var i = 0, v; v = vmodels[i++];) {
4646 if (v.hasOwnProperty(optName) && typeof v[optName] === "object") {
4647 var vmOptions = v[optName]
4648 vmOptions = vmOptions.$model || vmOptions
4653 var wid = vmOptions[widget + "Id"]
4654 if (typeof wid === "string") {
4655 log("warning!不再支持" + widget + "Id")
4659 //抽取data-tooltip-text、data-tooltip-attr属性,组成一个配置对象
4660 var widgetData = avalon.getWidgetData(elem, widget)
4661 data.value = [widget, id, optName].join(",")
4662 data[widget + "Id"] = id
4663 data.evaluator = noop
4664 elem.msData["ms-widget-id"] = id
4665 var options = data[widget + "Options"] = avalon.mix({}, constructor.defaults, vmOptions || {}, widgetData)
4666 elem.removeAttribute("ms-widget")
4667 var vmodel = constructor(elem, data, vmodels) || {} //防止组件不返回VM
4669 avalon.vmodels[id] = vmodel
4670 createSignalTower(elem, vmodel)
4672 vmodel.$init(function() {
4673 avalon.scan(elem, [vmodel].concat(vmodels))
4674 if (typeof options.onInit === "function") {
4675 options.onInit.call(elem, vmodel, options, vmodels)
4679 data.rollback = function() {
4681 vmodel.widgetElement = null
4685 delete avalon.vmodels[vmodel.$id]
4687 injectDisposeQueue(data, widgetList)
4688 if (window.chrome) {
4689 elem.addEventListener("DOMNodeRemovedFromDocument", function() {
4690 setTimeout(rejectDisposeQueue)
4694 avalon.scan(elem, vmodels)
4696 } else if (vmodels.length) { //如果该组件还没有加载,那么保存当前的vmodels
4697 elem.vmodels = vmodels
4701 //不存在 bindingExecutors.widget
4702 /*********************************************************************
4704 **********************************************************************/
4705 var rscripts = /<script[^>]*>([\S\s]*?)<\/script\s*>/gim
4706 var ron = /\s+(on[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g
4707 var ropen = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/ig
4709 a: /\b(href)\=("javascript[^"]*"|'javascript[^']*')/ig,
4710 img: /\b(src)\=("javascript[^"]*"|'javascript[^']*')/ig,
4711 form: /\b(action)\=("javascript[^"]*"|'javascript[^']*')/ig
4713 var rsurrogate = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g
4714 var rnoalphanumeric = /([^\#-~| |!])/g;
4716 function numberFormat(number, decimals, point, thousands) {
4717 //form http://phpjs.org/functions/number_format/
4719 //decimals 可选,规定多少个小数位。
4720 //point 可选,规定用作小数点的字符串(默认为 . )。
4721 //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。
4722 number = (number + '')
4723 .replace(/[^0-9+\-Ee.]/g, '')
4724 var n = !isFinite(+number) ? 0 : +number,
4725 prec = !isFinite(+decimals) ? 3 : Math.abs(decimals),
4726 sep = thousands || ",",
4729 toFixedFix = function(n, prec) {
4730 var k = Math.pow(10, prec)
4731 return '' + (Math.round(n * k) / k)
4734 // Fix for IE parseFloat(0.55).toFixed(0) = 0;
4735 s = (prec ? toFixedFix(n, prec) : '' + Math.round(n))
4737 if (s[0].length > 3) {
4738 s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
4743 s[1] += new Array(prec - s[1].length + 1)
4750 var filters = avalon.filters = {
4751 uppercase: function(str) {
4752 return str.toUpperCase()
4754 lowercase: function(str) {
4755 return str.toLowerCase()
4757 truncate: function(str, length, truncation) {
4758 //length,新字符串长度,truncation,新字符串的结尾的字段,返回新字符串
4759 length = length || 30
4760 truncation = typeof truncation === "string" ? truncation : "..."
4761 return str.length > length ? str.slice(0, length - truncation.length) + truncation : String(str)
4763 $filter: function(val) {
4764 for (var i = 1, n = arguments.length; i < n; i++) {
4765 var array = arguments[i]
4766 var fn = avalon.filters[array.shift()]
4767 if (typeof fn === "function") {
4768 var arr = [val].concat(array)
4769 val = fn.apply(null, arr)
4775 //https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
4776 // <a href="javasc
ript:alert('XSS')">chrome</a>
4777 // <a href="data:text/html;base64, PGltZyBzcmM9eCBvbmVycm9yPWFsZXJ0KDEpPg==">chrome</a>
4778 // <a href="jav ascript:alert('XSS');">IE67chrome</a>
4779 // <a href="jav	ascript:alert('XSS');">IE67chrome</a>
4780 // <a href="jav
ascript:alert('XSS');">IE67chrome</a>
4781 sanitize: function(str) {
4782 return str.replace(rscripts, "").replace(ropen, function(a, b) {
4783 var match = a.toLowerCase().match(/<(\w+)\s/)
4784 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
4785 var reg = rsanitize[match[1]]
4787 a = a.replace(reg, function(s, name, value) {
4788 var quote = value.charAt(0)
4789 return name + "=" + quote + "javascript:void(0)" + quote// jshint ignore:line
4793 return a.replace(ron, " ").replace(/\s+/g, " ") //移除onXXX事件
4796 escape: function(str) {
4797 //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 <
4799 replace(/&/g, '&').
4800 replace(rsurrogate, function(value) {
4801 var hi = value.charCodeAt(0)
4802 var low = value.charCodeAt(1)
4803 return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';'
4805 replace(rnoalphanumeric, function(value) {
4806 return '&#' + value.charCodeAt(0) + ';'
4808 replace(/</g, '<').
4809 replace(/>/g, '>')
4811 currency: function(amount, symbol, fractionSize) {
4812 return (symbol || "\uFFE5") + numberFormat(amount, isFinite(fractionSize) ? fractionSize : 2)
4814 number: numberFormat
4817 'yyyy': 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010)
4818 'yy': 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)
4819 'y': 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199)
4820 'MMMM': Month in year (January-December)
4821 'MMM': Month in year (Jan-Dec)
4822 'MM': Month in year, padded (01-12)
4823 'M': Month in year (1-12)
4824 'dd': Day in month, padded (01-31)
4825 'd': Day in month (1-31)
4826 'EEEE': Day in Week,(Sunday-Saturday)
4827 'EEE': Day in Week, (Sun-Sat)
4828 'HH': Hour in day, padded (00-23)
4829 'H': Hour in day (0-23)
4830 'hh': Hour in am/pm, padded (01-12)
4831 'h': Hour in am/pm, (1-12)
4832 'mm': Minute in hour, padded (00-59)
4833 'm': Minute in hour (0-59)
4834 'ss': Second in minute, padded (00-59)
4835 's': Second in minute (0-59)
4837 'Z': 4 digit (+sign) representation of the timezone offset (-1200-+1200)
4838 format string can also be one of the following predefined localizable formats:
4840 'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale (e.g. Sep 3, 2010 12:05:08 pm)
4841 'short': equivalent to 'M/d/yy h:mm a' for en_US locale (e.g. 9/3/10 12:05 pm)
4842 'fullDate': equivalent to 'EEEE, MMMM d,y' for en_US locale (e.g. Friday, September 3, 2010)
4843 'longDate': equivalent to 'MMMM d, y' for en_US locale (e.g. September 3, 2010
4844 'mediumDate': equivalent to 'MMM d, y' for en_US locale (e.g. Sep 3, 2010)
4845 'shortDate': equivalent to 'M/d/yy' for en_US locale (e.g. 9/3/10)
4846 'mediumTime': equivalent to 'h:mm:ss a' for en_US locale (e.g. 12:05:08 pm)
4847 'shortTime': equivalent to 'h:mm a' for en_US locale (e.g. 12:05 pm)
4849 new function() {// jshint ignore:line
4850 function toInt(str) {
4851 return parseInt(str, 10) || 0
4854 function padNumber(num, digits, trim) {
4861 while (num.length < digits)
4864 num = num.substr(num.length - digits)
4868 function dateGetter(name, size, offset, trim) {
4869 return function(date) {
4870 var value = date["get" + name]()
4871 if (offset > 0 || value > -offset)
4873 if (value === 0 && offset === -12) {
4876 return padNumber(value, size, trim)
4880 function dateStrGetter(name, shortForm) {
4881 return function(date, formats) {
4882 var value = date["get" + name]()
4883 var get = (shortForm ? ("SHORT" + name) : name).toUpperCase()
4884 return formats[get][value]
4888 function timeZoneGetter(date) {
4889 var zone = -1 * date.getTimezoneOffset()
4890 var paddedZone = (zone >= 0) ? "+" : ""
4891 paddedZone += padNumber(Math[zone > 0 ? "floor" : "ceil"](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2)
4896 function ampmGetter(date, formats) {
4897 return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1]
4899 var DATE_FORMATS = {
4900 yyyy: dateGetter("FullYear", 4),
4901 yy: dateGetter("FullYear", 2, 0, true),
4902 y: dateGetter("FullYear", 1),
4903 MMMM: dateStrGetter("Month"),
4904 MMM: dateStrGetter("Month", true),
4905 MM: dateGetter("Month", 2, 1),
4906 M: dateGetter("Month", 1, 1),
4907 dd: dateGetter("Date", 2),
4908 d: dateGetter("Date", 1),
4909 HH: dateGetter("Hours", 2),
4910 H: dateGetter("Hours", 1),
4911 hh: dateGetter("Hours", 2, -12),
4912 h: dateGetter("Hours", 1, -12),
4913 mm: dateGetter("Minutes", 2),
4914 m: dateGetter("Minutes", 1),
4915 ss: dateGetter("Seconds", 2),
4916 s: dateGetter("Seconds", 1),
4917 sss: dateGetter("Milliseconds", 3),
4918 EEEE: dateStrGetter("Day"),
4919 EEE: dateStrGetter("Day", true),
4923 var rdateFormat = /((?:[^yMdHhmsaZE']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z))(.*)/
4924 var raspnetjson = /^\/Date\((\d+)\)\/$/
4925 filters.date = function(date, format) {
4926 var locate = filters.date.locate,
4930 format = format || "mediumDate"
4931 format = locate[format] || format
4932 if (typeof date === "string") {
4933 if (/^\d+$/.test(date)) {
4935 } else if (raspnetjson.test(date)) {
4938 var trimDate = date.trim()
4939 var dateArray = [0, 0, 0, 0, 0, 0, 0]
4940 var oDate = new Date(0)
4942 trimDate = trimDate.replace(/^(\d+)\D(\d+)\D(\d+)/, function(_, a, b, c) {
4943 var array = c.length === 4 ? [c, a, b] : [a, b, c]
4944 dateArray[0] = toInt(array[0]) //年
4945 dateArray[1] = toInt(array[1]) - 1 //月
4946 dateArray[2] = toInt(array[2]) //日
4949 var dateSetter = oDate.setFullYear
4950 var timeSetter = oDate.setHours
4951 trimDate = trimDate.replace(/[T\s](\d+):(\d+):?(\d+)?\.?(\d)?/, function(_, a, b, c, d) {
4952 dateArray[3] = toInt(a) //小时
4953 dateArray[4] = toInt(b) //分钟
4954 dateArray[5] = toInt(c) //秒
4956 dateArray[6] = Math.round(parseFloat("0." + d) * 1000)
4962 trimDate = trimDate.replace(/Z|([+-])(\d\d):?(\d\d)/, function(z, symbol, c, d) {
4963 dateSetter = oDate.setUTCFullYear
4964 timeSetter = oDate.setUTCHours
4966 tzHour = toInt(symbol + c)
4967 tzMin = toInt(symbol + d)
4972 dateArray[3] -= tzHour
4973 dateArray[4] -= tzMin
4974 dateSetter.apply(oDate, dateArray.slice(0, 3))
4975 timeSetter.apply(oDate, dateArray.slice(3))
4979 if (typeof date === "number") {
4980 date = new Date(date)
4982 if (avalon.type(date) !== "date") {
4986 match = rdateFormat.exec(format)
4988 parts = parts.concat(match.slice(1))
4989 format = parts.pop()
4995 parts.forEach(function(value) {
4996 fn = DATE_FORMATS[value]
4997 text += fn ? fn(date, locate) : value.replace(/(^'|'$)/g, "").replace(/''/g, "'")
5038 fullDate: "y年M月d日EEEE",
5040 medium: "yyyy-M-d H:mm:ss",
5041 mediumDate: "yyyy-M-d",
5042 mediumTime: "H:mm:ss",
5043 "short": "yy-M-d ah:mm",
5044 shortDate: "yy-M-d",
5047 locate.SHORTMONTH = locate.MONTH
5048 filters.date.locate = locate
5049 }// jshint ignore:line
5050 /*********************************************************************
5052 **********************************************************************/
5053 //https://www.devbridge.com/articles/understanding-amd-requirejs/
5054 //http://maxogden.com/nested-dependencies.html
5055 var modules = avalon.modules = {
5065 //Object(modules[id]).state拥有如下值
5068 // 2(loading) 已经被执行但还没有执行完成,在这个阶段define方法会被执行
5069 // 3(loaded) 执行完毕,通过onload/onreadystatechange回调判定,在这个阶段checkDeps方法会执行
5070 // 4(execute) 其依赖也执行完毕, 值放到exports对象上,在这个阶段fireFactory方法会执行
5071 modules.exports = modules.avalon
5073 new function () {// jshint ignore:line
5074 var loadings = [] //正在加载中的模块列表
5075 var factorys = [] //放置define方法的factory函数
5076 var rjsext = /\.js$/i
5077 function makeRequest(name, config) {
5080 name = name.replace(/^(\w+)\!/, function (a, b) {
5084 if (res === "ready") {
5085 log("debug: ready!已经被废弃,请使用domReady!")
5088 //2. 去掉querystring, hash
5090 name = name.replace(rquery, function (a) {
5095 var suffix = "." + res
5096 var ext = /js|css/.test(suffix) ? suffix : ""
5097 name = name.replace(/\.[a-z0-9]+$/g, function (a) {
5105 var req = avalon.mix({
5116 function fireRequest(req) {
5119 //1. 如果该模块已经发出请求,直接返回
5120 var module = modules[name]
5121 var urlNoQuery = name && req.urlNoQuery
5122 if (module && module.state >= 1) {
5125 module = modules[urlNoQuery]
5126 if (module && module.state >= 3) {
5127 innerRequire(module.deps || [], module.factory, urlNoQuery)
5130 if (name && !module) {
5131 module = modules[urlNoQuery] = {
5135 var wrap = function (obj) {
5136 resources[res] = obj
5137 obj.load(name, req, function (a) {
5138 if (arguments.length && a !== void 0) {
5146 if (!resources[res]) {
5147 innerRequire([res], wrap)
5149 wrap(resources[res])
5152 return name ? urlNoQuery : res + "!"
5156 var requireQueue = []
5157 var isUserFirstRequire = false
5158 innerRequire = avalon.require = function (array, factory, parentUrl, defineConfig) {
5159 if (!isUserFirstRequire) {
5160 requireQueue.push(avalon.slice(arguments))
5161 if (arguments.length <= 2) {
5162 isUserFirstRequire = true
5163 var queue = requireQueue.splice(0, requireQueue.length), args
5164 while (args = queue.shift()) {
5165 innerRequire.apply(null, args)
5171 if (!Array.isArray(array)) {
5172 avalon.error("require方法的第一个参数应为数组 " + array)
5174 var deps = [] // 放置所有依赖项的完整路径
5176 var id = parentUrl || "callback" + setTimeout("1")// jshint ignore:line
5177 defineConfig = defineConfig || {}
5178 defineConfig.baseUrl = kernel.baseUrl
5179 var isBuilt = !!defineConfig.built
5181 defineConfig.parentUrl = parentUrl.substr(0, parentUrl.lastIndexOf("/"))
5182 defineConfig.mapUrl = parentUrl.replace(rjsext, "")
5185 var req = makeRequest(defineConfig.defineName, defineConfig)
5188 array.forEach(function (name) {
5189 var req = makeRequest(name, defineConfig)
5190 var url = fireRequest(req) //加载资源,并返回该资源的完整地址
5194 uniq[url] = "司徒正美" //去重
5200 var module = modules[id]
5201 if (!module || module.state !== 4) {
5204 deps: isBuilt ? array.concat() : deps,
5205 factory: factory || noop,
5210 //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
5217 innerRequire.define = function (name, deps, factory) { //模块名,依赖列表,模块本身
5218 if (typeof name !== "string") {
5223 if (!Array.isArray(deps)) {
5228 built: !isUserFirstRequire, //用r.js打包后,所有define会放到requirejs之前
5231 var args = [deps, factory, config]
5232 factory.require = function (url) {
5233 args.splice(2, 0, url)
5235 modules[url].state = 3 //loaded
5238 isCycle = checkCycle(modules[url].deps, url)
5242 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")
5245 delete factory.require //释放内存
5246 innerRequire.apply(null, args) //0,1,2 --> 1,2,0
5248 //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。
5249 //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。
5250 //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,
5251 //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。
5252 //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
5253 //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
5254 //亦即,先进入loading阶段的script标签(模块)必然会先进入loaded阶段
5255 var url = config.built ? "unknown" : getCurrentScript()
5257 var module = modules[url]
5261 factory.require(url)
5262 } else {//合并前后的safari,合并后的IE6-9走此分支
5263 factorys.push(factory)
5266 //核心API之三 require.config(settings)
5267 innerRequire.config = kernel
5268 //核心API之四 define.amd 标识其符合AMD规范
5269 innerRequire.define.amd = modules
5271 //==========================对用户配置项进行再加工==========================
5272 var allpaths = kernel["orig.paths"] = {}
5273 var allmaps = kernel["orig.map"] = {}
5274 var allpackages = kernel["packages"] = []
5275 var allargs = kernel["orig.args"] = {}
5276 avalon.mix(plugins, {
5277 paths: function (hash) {
5278 avalon.mix(allpaths, hash)
5279 kernel.paths = makeIndexArray(allpaths)
5281 map: function (hash) {
5282 avalon.mix(allmaps, hash)
5283 var list = makeIndexArray(allmaps, 1, 1)
5284 avalon.each(list, function (_, item) {
5285 item.val = makeIndexArray(item.val)
5289 packages: function (array) {
5290 array = array.concat(allpackages)
5293 for (var i = 0, pkg; pkg = array[i++]; ) {
5294 pkg = typeof pkg === "string" ? {name: pkg} : pkg
5297 var url = joinPath(pkg.location || name, pkg.main || "main")
5298 url = url.replace(rjsext, "")
5300 uniq[name] = pkg.location = url
5301 pkg.reg = makeMatcher(name)
5304 kernel.packages = ret.sort()
5306 urlArgs: function (hash) {
5307 if (typeof hash === "string") {
5310 avalon.mix(allargs, hash)
5311 kernel.urlArgs = makeIndexArray(allargs, 1)
5313 baseUrl: function (url) {
5314 if (!isAbsUrl(url)) {
5315 var baseElement = head.getElementsByTagName("base")[0]
5317 head.removeChild(baseElement)
5319 var node = DOC.createElement("a")
5321 url = getFullUrl(node, "href")
5323 head.insertBefore(baseElement, head.firstChild)
5327 kernel.baseUrl = url
5329 shim: function (obj) {
5330 for (var i in obj) {
5332 if (Array.isArray(value)) {
5337 if (!value.exportsFn && (value.exports || value.init)) {
5338 value.exportsFn = makeExports(value)
5347 //==============================内部方法=================================
5348 function checkCycle(deps, nick) {
5350 for (var i = 0, id; id = deps[i++]; ) {
5351 if (modules[id].state !== 4 &&
5352 (id === nick || checkCycle(modules[id].deps, nick))) {
5358 function checkFail(node, onError, fuckIE) {
5359 var id = trimQuery(node.src) //检测是否死链
5360 node.onload = node.onreadystatechange = node.onerror = null
5361 if (onError || (fuckIE && modules[id] && !modules[id].state)) {
5362 setTimeout(function () {
5363 head.removeChild(node)
5364 node = null // 处理旧式IE下的循环引用问题
5366 log("debug: 加载 " + id + " 失败" + onError + " " + (!modules[id].state))
5372 function checkDeps() {
5373 //检测此JS模块的依赖是否都已安装完毕,是则安装自身
5374 loop: for (var i = loadings.length, id; id = loadings[--i]; ) {
5375 var obj = modules[id],
5379 for (var j = 0, key; key = deps[j]; j++) {
5380 if (Object(modules[key]).state !== 4) {
5384 //如果deps是空对象或者其依赖的模块的状态都是2
5385 if (obj.state !== 4) {
5386 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
5387 fireFactory(obj.id, obj.deps, obj.factory)
5388 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
5393 var rreadyState = /complete|loaded/
5394 function loadJS(url, id, callback) {
5396 var node = DOC.createElement("script")
5397 node.className = subscribers //让getCurrentScript只处理类名为subscribers的script节点
5398 var supportLoad = "onload" in node
5399 var onEvent = supportLoad ? "onload" : "onreadystatechange"
5401 var factory = factorys.pop()
5402 factory && factory.require(id)
5406 if (checkFail(node, false, !supportLoad)) {
5407 log("debug: 已成功加载 " + url)
5408 id && loadings.push(id)
5412 var index = 0, loadID
5413 node[onEvent] = supportLoad ? onload : function () {
5414 if (rreadyState.test(node.readyState)) {
5417 loadID = setTimeout(onload, 500)
5419 clearTimeout(loadID)
5424 node.onerror = function () {
5425 checkFail(node, true)
5428 head.insertBefore(node, head.firstChild) //chrome下第二个参数不能为null
5429 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
5430 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
5433 var resources = innerRequire.plugins = {
5434 //三大常用资源插件 js!, css!, text!, ready!
5439 load: function (name, req, onLoad) {
5441 var id = req.urlNoQuery
5442 var shim = kernel.shim[name.replace(rjsext, "")]
5443 if (shim) { //shim机制
5444 innerRequire(shim.deps || [], function () {
5445 var args = avalon.slice(arguments)
5446 loadJS(url, id, function () {
5447 onLoad(shim.exportsFn ? shim.exportsFn.apply(0, args) : void 0)
5456 load: function (name, req, onLoad) {
5458 var node = DOC.createElement("link")
5459 node.rel = "stylesheet"
5461 head.insertBefore(node, head.firstChild)
5462 log("debug: 已成功加载 " + url)
5467 load: function (name, req, onLoad) {
5470 xhr.onreadystatechange = function () {
5471 if (xhr.readyState === 4) {
5472 var status = xhr.status;
5473 if (status > 399 && status < 600) {
5474 avalon.error(url + " 对应资源不存在或没有开启 CORS")
5476 log("debug: 已成功加载 " + url)
5477 onLoad(xhr.responseText)
5481 var time = "_=" + (new Date() - 0)
5482 var _url = url.indexOf("?") === -1 ? url + "?" + time : url + "&" + time
5483 xhr.open("GET", _url, true)
5484 if ("withCredentials" in xhr) {//这是处理跨域
5485 xhr.withCredentials = true
5487 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")//告诉后端这是AJAX请求
5489 log("debug: 正准备加载 " + url)
5493 innerRequire.checkDeps = checkDeps
5495 var rquery = /(\?[^#]*)$/
5496 function trimQuery(url) {
5497 return (url || "").replace(rquery, "")
5500 function isAbsUrl(path) {
5501 //http://stackoverflow.com/questions/10687099/how-to-test-if-a-url-string-is-absolute-or-relative
5502 return /^(?:[a-z]+:)?\/\//i.test(String(path))
5505 function getFullUrl(node, src) {
5506 return"1"[0] ? node[src] : node.getAttribute(src, 4)
5509 function getCurrentScript() {
5510 // inspireb by https://github.com/samyk/jiagra/blob/master/jiagra.js
5513 a.b.c() //强制报错,以便捕获e.stack
5514 } catch (e) { //safari5的sourceURL,firefox的fileName,它们的效果与e.stack不一样
5516 if (!stack && window.opera) {
5517 //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
5518 stack = (String(e).match(/of linked script \S+/g) || []).join(" ")
5522 /**e.stack最后一行在所有支持的浏览器大致如下:
5524 * at http://113.93.50.63/data.js:4:1
5526 *@http://113.93.50.63/query.js:4
5527 *opera12:http://www.oldapps.com/opera.php?system=Windows_XP
5528 *@http://113.93.50.63/data.js:4
5530 * at Global code (http://113.93.50.63/data.js:4:1)
5531 * //firefox4+ 可以用document.currentScript
5533 stack = stack.split(/[@ ]/g).pop() //取得最后一行,最后一个空格或@之后的部分
5534 stack = stack[0] === "(" ? stack.slice(1, -1) : stack.replace(/\s/, "") //去掉换行符
5535 return trimQuery(stack.replace(/(:\d+)?:\d+$/i, "")) //去掉行号与或许存在的出错字符起始位置
5537 var nodes = head.getElementsByTagName("script") //只在head标签中寻找
5538 for (var i = nodes.length, node; node = nodes[--i]; ) {
5539 if (node.className === subscribers && node.readyState === "interactive") {
5540 var url = getFullUrl(node, "src")
5541 return node.className = trimQuery(url)
5546 var rcallback = /^callback\d+$/
5547 function fireFactory(id, deps, factory) {
5548 var module = Object(modules[id])
5550 for (var i = 0, array = [], d; d = deps[i++]; ) {
5551 if (d === "exports") {
5552 var obj = module.exports || (module.exports = {})
5555 array.push(modules[d].exports)
5559 var ret = factory.apply(window, array)
5561 log("执行[" + id + "]模块的factory抛错: ", e)
5563 if (ret !== void 0) {
5564 module.exports = ret
5566 if (rcallback.test(id)) {
5569 delete module.factory
5572 function toUrl(id) {
5573 if (id.indexOf(this.res + "!") === 0) {
5574 id = id.slice(this.res.length + 1) //处理define("css!style",[], function(){})的情况
5579 var baseUrl = this.baseUrl
5580 var rootUrl = this.parentUrl || baseUrl
5581 eachIndexArray(id, kernel.paths, function (value, key) {
5582 url = url.replace(key, value)
5585 //2. 是否命中packages配置项
5587 eachIndexArray(id, kernel.packages, function (value, key, item) {
5588 url = url.replace(item.name, item.location)
5593 eachIndexArray(this.mapUrl, kernel.map, function (array) {
5594 eachIndexArray(url, array, function (mdValue, mdKey) {
5595 url = url.replace(mdKey, mdValue)
5601 if (ext && usePath && url.slice(-ext.length) === ext) {
5602 url = url.slice(0, -ext.length)
5605 if (!isAbsUrl(url)) {
5606 rootUrl = this.built || /^\w/.test(url) ? baseUrl : rootUrl
5607 url = joinPath(rootUrl, url)
5610 var urlNoQuery = url + ext
5611 url = urlNoQuery + this.query
5613 eachIndexArray(id, kernel.urlArgs, function (value) {
5614 url += (url.indexOf("?") === -1 ? "?" : "&") + value;
5617 return this.urlNoQuery = urlNoQuery
5620 function makeIndexArray(hash, useStar, part) {
5622 var index = hash2array(hash, useStar, part)
5623 index.sort(descSorterByName)
5627 function makeMatcher(prefix) {
5628 return new RegExp('^' + prefix + '(/|$)')
5631 function makeExports(value) {
5632 return function () {
5635 ret = value.init.apply(window, arguments)
5637 return ret || (value.exports && getGlobal(value.exports))
5642 function hash2array(hash, useStar, part) {
5644 for (var key in hash) {
5645 if (ohasOwn.call(hash, key)) {
5651 item.reg = key === "*" && useStar ? /^/ : makeMatcher(key)
5652 if (part && key !== "*") {
5653 item.reg = new RegExp('\/' + key.replace(/^\//, "") + '(/|$)')
5660 function eachIndexArray(moduleID, array, matcher) {
5662 for (var i = 0, el; el = array[i++]; ) {
5663 if (el.reg.test(moduleID)) {
5664 matcher(el.val, el.name, el)
5669 // 根据元素的name项进行数组字符数逆序的排序函数
5670 function descSorterByName(a, b) {
5679 return bbb.length - aaa.length
5682 var rdeuce = /\/\w+\/\.\./
5683 function joinPath(a, b) {
5684 if (a.charAt(a.length - 1) !== "/") {
5687 if (b.slice(0, 2) === "./") { //相对于兄弟路径
5688 return a + b.slice(2)
5690 if (b.slice(0, 2) === "..") { //相对于父路径
5692 while (rdeuce.test(a)) {
5693 a = a.replace(rdeuce, "")
5697 if (b.slice(0, 1) === "/") {
5698 return a + b.slice(1)
5703 function getGlobal(value) {
5708 value.split(".").forEach(function (part) {
5714 var mainNode = DOC.scripts[DOC.scripts.length - 1]
5715 var dataMain = mainNode.getAttribute("data-main")
5717 plugins.baseUrl(dataMain)
5718 var href = kernel.baseUrl
5719 kernel.baseUrl = href.slice(0, href.lastIndexOf("/") + 1)
5720 loadJS(href.replace(rjsext, "") + ".js")
5722 var loaderUrl = trimQuery(getFullUrl(mainNode, "src"))
5723 kernel.baseUrl = loaderUrl.slice(0, loaderUrl.lastIndexOf("/") + 1)
5725 }// jshint ignore:line
5727 /*********************************************************************
5729 **********************************************************************/
5731 var readyList = [], isReady
5732 var fireReady = function(fn) {
5735 modules["domReady!"].state = 4
5736 innerRequire.checkDeps()
5738 while(fn = readyList.shift()){
5743 function doScrollCheck() {
5744 try { //IE下通过doScrollCheck检测DOM树是否建完
5745 root.doScroll("left")
5748 setTimeout(doScrollCheck)
5752 if (DOC.readyState === "complete") {
5753 setTimeout(fireReady) //如果在domReady之外加载
5755 DOC.addEventListener("DOMContentLoaded", fireReady)
5757 DOC.attachEvent("onreadystatechange", function() {
5758 if (DOC.readyState === "complete") {
5763 var isTop = window.frameElement === null
5766 if (root.doScroll && isTop && window.external) {//fix IE iframe BUG
5770 avalon.bind(window, "load", fireReady)
5772 avalon.ready = function(fn) {
5784 avalon.ready(function() {
5785 avalon.scan(DOC.body)
5788 // Register as a named AMD module, since avalon can be concatenated with other
5789 // files that may use define, but not via a proper concatenation script that
5790 // understands anonymous AMD modules. A named AMD is safest and most robust
5791 // way to register. Lowercase avalon is used because AMD module names are
5792 // derived from file names, and Avalon is normally delivered in a lowercase
5793 // file name. Do this after creating the global so that if an AMD module wants
5794 // to call noConflict to hide this version of avalon, it will work.
5796 // Note that for maximum portability, libraries that are not avalon should
5797 // declare themselves as anonymous modules, and avoid setting a global if an
5798 // AMD loader is present. avalon is a special case. For more information, see
5799 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
5800 if (typeof define === "function" && define.amd) {
5801 define("avalon", [], function() {
5805 // Map over avalon in case of overwrite
5806 var _avalon = window.avalon
5807 avalon.noConflict = function(deep) {
5808 if (deep && window.avalon === avalon) {
5809 window.avalon = _avalon
5813 // Expose avalon identifiers, even in AMD
5814 // and CommonJS for browser emulators
5815 if (noGlobal === void 0) {
5816 window.avalon = avalon