1 /*==================================================
2 Copyright (c) 2013-2015 司徒正美 and other contributors
3 http://www.cnblogs.com/rubylouvre/
4 https://github.com/RubyLouvre
5 http://weibo.com/jslouvre/
7 Released under the MIT license
8 avalon.js 1.45 built in 2015.7.17
9 support IE6+ and other browsers
10 ==================================================*/
11 (function(global, factory) {
13 if (typeof module === "object" && typeof module.exports === "object") {
14 // For CommonJS and CommonJS-like environments where a proper `window`
15 // is present, execute the factory and get avalon.
16 // For environments that do not have a `window` with a `document`
17 // (such as Node.js), expose a factory as module.exports.
18 // This accentuates the need for the creation of a real `window`.
19 // e.g. var avalon = require("avalon")(window);
20 module.exports = global.document ? factory(global, true) : function(w) {
22 throw new Error("Avalon requires a window with a document")
30 // Pass this if window is not defined yet
31 }(typeof window !== "undefined" ? window : this, function(window, noGlobal){
33 /*********************************************************************
35 **********************************************************************/
36 var expose = new Date() - 0
37 //http://stackoverflow.com/questions/7290086/javascript-use-strict-and-nicks-find-global-function
38 var DOC = window.document
39 var head = DOC.getElementsByTagName("head")[0] //HEAD元素
40 var ifGroup = head.insertBefore(document.createElement("avalon"), head.firstChild) //避免IE6 base标签BUG
41 ifGroup.innerHTML = "X<style id='avalonStyle'>.avalonHide{ display: none!important }</style>"
42 ifGroup.setAttribute("ms-skip", "1")
43 ifGroup.className = "avalonHide"
44 var rnative = /\[native code\]/ //判定是否原生函数
46 if (window.console && avalon.config.debug) {
47 // http://stackoverflow.com/questions/8785624/how-to-safely-wrap-console-log
48 Function.apply.call(console.log, console, arguments)
53 var subscribers = "$" + expose
54 var otherRequire = window.require
55 var otherDefine = window.define
57 var stopRepeatAssign = false
58 var rword = /[^, ]+/g //切割字符串为一个个小块,以空格或豆号分开它们,结合replace实现字符串的forEach
59 var rcomplexType = /^(?:object|array)$/
60 var rsvg = /^\[object SVG\w*Element\]$/
61 var rwindow = /^\[object (?:Window|DOMWindow|global)\]$/
62 var oproto = Object.prototype
63 var ohasOwn = oproto.hasOwnProperty
64 var serialize = oproto.toString
65 var ap = Array.prototype
67 var Registry = {} //将函数曝光到此对象上,方便访问器收集依赖
68 var W3C = window.dispatchEvent
69 var root = DOC.documentElement
70 var avalonFragment = DOC.createDocumentFragment()
71 var cinerator = DOC.createElement("div")
73 "Boolean Number String Function Array Date RegExp Object Error".replace(rword, function (name) {
74 class2type["[object " + name + "]"] = name.toLowerCase()
82 function oneObject(array, val) {
83 if (typeof array === "string") {
84 array = array.match(rword) || []
87 value = val !== void 0 ? val : 1
88 for (var i = 0, n = array.length; i < n; i++) {
89 result[array[i]] = value
94 //生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
95 var generateID = function (prefix) {
96 prefix = prefix || "avalon"
97 return String(Math.random() + Math.random()).replace(/\d\.\d{4}/, prefix)
100 if (window.VBArray) {
101 var mode = document.documentMode
102 return mode ? mode : window.XMLHttpRequest ? 7 : 6
109 avalon = function (el) { //创建jQuery式的无new 实例化结构
110 return new avalon.init(el)
113 avalon.profile = function () {
114 if (window.console && avalon.config.profile) {
115 Function.apply.call(console.log, console, arguments)
120 avalon.nextTick = new function () {// jshint ignore:line
121 var tickImmediate = window.setImmediate
122 var tickObserver = window.MutationObserver
123 var tickPost = W3C && window.postMessage
125 return tickImmediate.bind(window)
129 function callback() {
131 for (var i = 0; i < n; i++) {
134 queue = queue.slice(n)
138 var node = document.createTextNode("avalon")
139 new tickObserver(callback).observe(node, {characterData: true})// jshint ignore:line
140 return function (fn) {
142 node.data = Math.random()
147 window.addEventListener("message", function (e) {
148 var source = e.source
149 if ((source === window || source === null) && e.data === "process-tick") {
155 return function (fn) {
157 window.postMessage('process-tick', '*')
161 return function (fn) {
164 }// jshint ignore:line
165 /*********************************************************************
167 **********************************************************************/
168 avalon.init = function (el) {
169 this[0] = this.element = el
171 avalon.fn = avalon.prototype = avalon.init.prototype
173 avalon.type = function (obj) { //取得目标的类型
177 // 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
178 return typeof obj === "object" || typeof obj === "function" ?
179 class2type[serialize.call(obj)] || "object" :
183 var isFunction = typeof alert === "object" ? function (fn) {
185 return /^\s*\bfunction\b/.test(fn + "")
190 return serialize.call(fn) === "[object Function]"
192 avalon.isFunction = isFunction
194 avalon.isWindow = function (obj) {
197 // 利用IE678 window == document为true,document == window竟然为false的神奇特性
198 // 标准浏览器及IE9,IE10等使用 正则检测
199 return obj == obj.document && obj.document != obj //jshint ignore:line
202 function isWindow(obj) {
203 return rwindow.test(serialize.call(obj))
205 if (isWindow(window)) {
206 avalon.isWindow = isWindow
209 for (enu in avalon({})) {
212 var enumerateBUG = enu !== "0" //IE6下为true, 其他为false
213 /*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*/
214 avalon.isPlainObject = function (obj, key) {
215 if (!obj || avalon.type(obj) !== "object" || obj.nodeType || avalon.isWindow(obj)) {
218 try { //IE内置对象没有constructor
219 if (obj.constructor && !ohasOwn.call(obj, "constructor") && !ohasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
222 } catch (e) { //IE8 9会在这里抛错
227 return ohasOwn.call(obj, key)
232 return key === void 0 || ohasOwn.call(obj, key)
234 if (rnative.test(Object.getPrototypeOf)) {
235 avalon.isPlainObject = function (obj) {
236 // 简单的 typeof obj === "object"检测,会致使用isPlainObject(window)在opera下通不过
237 return serialize.call(obj) === "[object Object]" && Object.getPrototypeOf(obj) === oproto
240 //与jQuery.extend方法,可用于浅拷贝,深拷贝
241 avalon.mix = avalon.fn.mix = function () {
242 var options, name, src, copy, copyIsArray, clone,
243 target = arguments[0] || {},
245 length = arguments.length,
248 // 如果第一个参数为布尔,判定是否深拷贝
249 if (typeof target === "boolean") {
251 target = arguments[1] || {}
256 if (typeof target !== "object" && !isFunction(target)) {
260 //如果只有一个参数,那么新成员添加于mix所在的对象上
266 for (; i < length; i++) {
268 if ((options = arguments[i]) != null) {
269 for (name in options) {
272 copy = options[name] //当options为VBS对象时报错
278 if (target === copy) {
281 if (deep && copy && (avalon.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) {
285 clone = src && Array.isArray(src) ? src : []
288 clone = src && avalon.isPlainObject(src) ? src : {}
291 target[name] = avalon.mix(deep, clone, copy)
292 } else if (copy !== void 0) {
301 function _number(a, len) { //用于模拟slice, splice的效果
302 a = Math.floor(a) || 0
303 return a < 0 ? Math.max(len + a, 0) : Math.min(a, len);
307 subscribers: subscribers,
311 slice: W3C ? function (nodes, start, end) {
312 return aslice.call(nodes, start, end)
313 } : function (nodes, start, end) {
315 var len = nodes.length
318 if (typeof end === "number" && isFinite(end)) {
319 start = _number(start, len)
320 end = _number(end, len)
321 for (var i = start; i < end; ++i) {
322 ret[i - start] = nodes[i]
328 /*如果不用Error对象封装一下,str在控制台下可能会乱码*/
329 error: function (str, e) {
330 throw (e || Error)(str)
332 /*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*/
333 oneObject: oneObject,
335 => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
337 => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
338 avalon.range(0, 30, 5)
339 => [0, 5, 10, 15, 20, 25]
340 avalon.range(0, -10, -1)
341 => [0, -1, -2, -3, -4, -5, -6, -7, -8, -9]
344 range: function (start, end, step) { // 用于生成整数数组
351 length = Math.max(0, Math.ceil((end - start) / step)),
352 result = new Array(length)
353 while (++index < length) {
354 result[index] = start
361 bind: function(el, type, fn, phase) {
362 var hooks = avalon.eventHooks
363 var hook = hooks[type]
364 if (typeof hook === "object") {
367 fn = hook.deel(el, type, fn, phase)
370 var callback = W3C ? fn : function(e) {
371 fn.call(el, fixEvent(e));
374 el.addEventListener(type, callback, !!phase)
376 el.attachEvent("on" + type, callback)
381 unbind: function(el, type, fn, phase) {
382 var hooks = avalon.eventHooks
383 var hook = hooks[type]
384 var callback = fn || noop
385 if (typeof hook === "object") {
388 fn = hook.deel(el, type, fn, false)
392 el.removeEventListener(type, callback, !!phase)
394 el.detachEvent("on" + type, callback)
398 css: function (node, name, value) {
399 if (node instanceof avalon) {
402 var prop = /[_-]/.test(name) ? camelize(name) : name, fn
403 name = avalon.cssName(prop) || prop
404 if (value === void 0 || typeof value === "boolean") { //获取样式
405 fn = cssHooks[prop + ":get"] || cssHooks["@:get"]
406 if (name === "background") {
407 name = "backgroundColor"
409 var val = fn(node, name)
410 return value === true ? parseFloat(val) || 0 : val
411 } else if (value === "") { //请除样式
412 node.style[name] = ""
414 if (value == null || value !== value) {
417 if (isFinite(value) && !avalon.cssNumber[prop]) {
420 fn = cssHooks[prop + ":set"] || cssHooks["@:set"]
421 fn(node, name, value)
424 /*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*/
425 each: function (obj, fn) {
426 if (obj) { //排除null, undefined
428 if (isArrayLike(obj)) {
429 for (var n = obj.length; i < n; i++) {
430 if (fn(i, obj[i]) === false)
435 if (obj.hasOwnProperty(i) && fn(i, obj[i]) === false) {
442 //收集元素的data-{{prefix}}-*属性,并转换为对象
443 getWidgetData: function (elem, prefix) {
444 var raw = avalon(elem).data()
447 if (i.indexOf(prefix) === 0) {
448 result[i.replace(prefix, "").replace(/\w/, function (a) {
449 return a.toLowerCase()
456 /*只有当前数组不存在此元素时只添加它*/
457 ensure: function (target, item) {
458 if (target.indexOf(item) === -1) {
459 return target.push(item)
462 /*移除数组中指定位置的元素,返回布尔表示成功与否*/
463 removeAt: function (target, index) {
464 return !!target.splice(index, 1).length
466 /*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*/
467 remove: function (target, item) {
468 var index = target.indexOf(item)
470 return avalon.Array.removeAt(target, index)
476 var bindingHandlers = avalon.bindingHandlers = {}
477 var bindingExecutors = avalon.bindingExecutors = {}
479 /*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*/
480 function isArrayLike(obj) {
484 if (n === (n >>> 0)) { //检测length属性是否为非负整数
485 var type = serialize.call(obj).slice(8, -1)
486 if (/(?:regexp|string|function|window|global)$/i.test(type))
488 if (type === "Array")
491 if ({}.propertyIsEnumerable.call(obj, "length") === false) { //如果是原生对象
492 return /^\s?function/.test(obj.item || obj.callee)
495 } catch (e) { //IE的NodeList直接抛错
496 return !obj.window //IE6-8 window
503 // https://github.com/rsms/js-lru
504 var Cache = new function() {// jshint ignore:line
505 function LRU(maxLength) {
507 this.limit = maxLength
508 this.head = this.tail = void 0
512 var p = LRU.prototype
514 p.put = function(key, value) {
519 this._keymap[key] = entry
521 this.tail.newer = entry
522 entry.older = this.tail
527 if (this.size === this.limit) {
535 p.shift = function() {
536 var entry = this.head
538 this.head = this.head.newer
542 this._keymap[entry.key] = void 0
545 p.get = function(key) {
546 var entry = this._keymap[key]
547 if (entry === void 0)
549 if (entry === this.tail) {
552 // HEAD--------------TAIL
554 // <--- add direction --
557 if (entry === this.head) {
558 this.head = entry.newer
560 entry.newer.older = entry.older // C <-- E.
563 entry.older.newer = entry.newer // C. --> E
565 entry.newer = void 0 // D --x
566 entry.older = this.tail // D. --> E
568 this.tail.newer = entry // E. <-- D
574 }// jshint ignore:line
576 /*********************************************************************
578 **********************************************************************/
580 var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g
581 String.prototype.trim = function () {
582 return this.replace(rtrim, "")
585 var hasDontEnumBug = !({
587 }).propertyIsEnumerable('toString'),
588 hasProtoEnumBug = (function () {
589 }).propertyIsEnumerable('prototype'),
596 "propertyIsEnumerable",
599 dontEnumsLength = dontEnums.length;
601 Object.keys = function (object) { //ecma262v5 15.2.3.14
603 var skipProto = hasProtoEnumBug && typeof object === "function"
604 if (typeof object === "string" || (object && object.callee)) {
605 for (var i = 0; i < object.length; ++i) {
606 theKeys.push(String(i))
609 for (var name in object) {
610 if (!(skipProto && name === "prototype") && ohasOwn.call(object, name)) {
611 theKeys.push(String(name))
616 if (hasDontEnumBug) {
617 var ctor = object.constructor,
618 skipConstructor = ctor && ctor.prototype === object
619 for (var j = 0; j < dontEnumsLength; j++) {
620 var dontEnum = dontEnums[j]
621 if (!(skipConstructor && dontEnum === "constructor") && ohasOwn.call(object, dontEnum)) {
622 theKeys.push(dontEnum)
629 if (!Array.isArray) {
630 Array.isArray = function (a) {
631 return serialize.call(a) === "[object Array]"
636 Function.prototype.bind = function (scope) {
637 if (arguments.length < 2 && scope === void 0)
644 for (i = 1; i < argv.length; i++)
646 for (i = 0; i < arguments.length; i++)
647 args.push(arguments[i])
648 return fn.apply(scope, args)
653 function iterator(vars, body, ret) {
654 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
655 /* jshint ignore:start */
656 return Function("fn,scope", fun)
657 /* jshint ignore:end */
659 if (!rnative.test([].map)) {
661 //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。
662 indexOf: function (item, index) {
668 if (this[i] === item)
673 lastIndexOf: function (item, index) {
675 i = index == null ? n - 1 : index
677 i = Math.max(0, n + i)
679 if (this[i] === item)
683 //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。
684 forEach: iterator("", '_', ""),
685 //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
686 filter: iterator('r=[],j=0,', 'if(_)r[j++]=this[i]', 'return r'),
687 //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。
688 map: iterator('r=[],', 'r[i]=_', 'return r'),
689 //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。
690 some: iterator("", 'if(_)return true', 'return false'),
691 //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。
692 every: iterator("", 'if(!_)return false', 'return true')
695 /*********************************************************************
697 **********************************************************************/
699 function fixContains(root, el) {
700 try { //IE6-8,游离于DOM树外的文本节点,访问parentNode有时会抛错
701 while ((el = el.parentNode))
709 avalon.contains = fixContains
710 //IE6-11的文档对象没有contains
712 DOC.contains = function (b) {
713 return fixContains(DOC, b)
717 function outerHTML() {
718 return new XMLSerializer().serializeToString(this)
721 if (window.SVGElement) {
722 //safari5+是把contains方法放在Element.prototype上而不是Node.prototype
723 if (!DOC.createTextNode("x").contains) {
724 Node.prototype.contains = function (arg) {//IE6-8没有Node对象
725 return !!(this.compareDocumentPosition(arg) & 16)
728 var svgns = "http://www.w3.org/2000/svg"
729 var svg = DOC.createElementNS(svgns, "svg")
730 svg.innerHTML = '<circle cx="50" cy="50" r="40" fill="red" />'
731 if (!rsvg.test(svg.firstChild)) { // #409
732 function enumerateNode(node, targetNode) {// jshint ignore:line
733 if (node && node.childNodes) {
734 var nodes = node.childNodes
735 for (var i = 0, el; el = nodes[i++]; ) {
737 var svg = DOC.createElementNS(svgns,
738 el.tagName.toLowerCase())
739 ap.forEach.call(el.attributes, function (attr) {
740 svg.setAttribute(attr.name, attr.value) //复制属性
741 })// jshint ignore:line
743 enumerateNode(el, svg)
744 targetNode.appendChild(svg)
749 Object.defineProperties(SVGElement.prototype, {
750 "outerHTML": {//IE9-11,firefox不支持SVG元素的innerHTML,outerHTML属性
754 set: function (html) {
755 var tagName = this.tagName.toLowerCase(),
756 par = this.parentNode,
757 frag = avalon.parseHTML(html)
759 if (tagName === "svg") {
760 par.insertBefore(frag, this)
763 var newFrag = DOC.createDocumentFragment()
764 enumerateNode(frag, newFrag)
765 par.insertBefore(newFrag, this)
767 par.removeChild(this)
774 var s = this.outerHTML
775 var ropen = new RegExp("<" + this.nodeName + '\\b(?:(["\'])[^"]*?(\\1)|[^>])*>', "i")
776 var rclose = new RegExp("<\/" + this.nodeName + ">$", "i")
777 return s.replace(ropen, "").replace(rclose, "")
779 set: function (html) {
780 if (avalon.clearHTML) {
781 avalon.clearHTML(this)
782 var frag = avalon.parseHTML(html)
783 enumerateNode(frag, this)
790 if (!root.outerHTML && window.HTMLElement) { //firefox 到11时才有outerHTML
791 HTMLElement.prototype.__defineGetter__("outerHTML", outerHTML);
795 //============================= event binding =======================
796 var rmouseEvent = /^(?:mouse|contextmenu|drag)|click/
797 function fixEvent(event) {
799 for (var i in event) {
802 var target = ret.target = event.srcElement
803 if (event.type.indexOf("key") === 0) {
804 ret.which = event.charCode != null ? event.charCode : event.keyCode
805 } else if (rmouseEvent.test(event.type)) {
806 var doc = target.ownerDocument || DOC
807 var box = doc.compatMode === "BackCompat" ? doc.body : doc.documentElement
808 ret.pageX = event.clientX + (box.scrollLeft >> 0) - (box.clientLeft >> 0)
809 ret.pageY = event.clientY + (box.scrollTop >> 0) - (box.clientTop >> 0)
810 ret.wheelDeltaY = ret.wheelDelta
813 ret.timeStamp = new Date() - 0
814 ret.originalEvent = event
815 ret.preventDefault = function () { //阻止默认行为
816 event.returnValue = false
818 ret.stopPropagation = function () { //阻止事件在DOM树中的传播
819 event.cancelBubble = true
824 var eventHooks = avalon.eventHooks
825 //针对firefox, chrome修正mouseenter, mouseleave
826 if (!("onmouseenter" in root)) {
828 mouseenter: "mouseover",
829 mouseleave: "mouseout"
830 }, function (origType, fixType) {
831 eventHooks[origType] = {
833 deel: function (elem, _, fn) {
834 return function (e) {
835 var t = e.relatedTarget
836 if (!t || (t !== elem && !(elem.compareDocumentPosition(t) & 16))) {
839 return fn.call(elem, e)
846 //针对IE9+, w3c修正animationend
848 AnimationEvent: "animationend",
849 WebKitAnimationEvent: "webkitAnimationEnd"
850 }, function (construct, fixType) {
851 if (window[construct] && !eventHooks.animationend) {
852 eventHooks.animationend = {
858 if (!("oninput" in DOC.createElement("input"))) {
860 type: "propertychange",
861 deel: function (elem, _, fn) {
862 return function (e) {
863 if (e.propertyName === "value") {
865 return fn.call(elem, e)
871 if (DOC.onmousewheel === void 0) {
872 /* IE6-11 chrome mousewheel wheelDetla 下 -120 上 120
873 firefox DOMMouseScroll detail 下3 上-3
874 firefox wheel detlaY 下3 上-3
875 IE9-11 wheel deltaY 下40 上-40
876 chrome wheel deltaY 下100 上-100 */
877 var fixWheelType = DOC.onwheel !== void 0 ? "wheel" : "DOMMouseScroll"
878 var fixWheelDelta = fixWheelType === "wheel" ? "deltaY" : "detail"
879 eventHooks.mousewheel = {
881 deel: function (elem, _, fn) {
882 return function (e) {
883 e.wheelDeltaY = e.wheelDelta = e[fixWheelDelta] > 0 ? -120 : 120
885 if (Object.defineProperty) {
886 Object.defineProperty(e, "type", {
898 /*********************************************************************
900 **********************************************************************/
902 function kernel(settings) {
903 for (var p in settings) {
904 if (!ohasOwn.call(settings, p))
906 var val = settings[p]
907 if (typeof kernel.plugins[p] === "function") {
908 kernel.plugins[p](val)
909 } else if (typeof kernel[p] === "object") {
910 avalon.mix(kernel[p], val)
917 var openTag, closeTag, rexpr, rexprg, rbind, rregexp = /[-.*+?^${}()|[\]\/\\]/g
919 function escapeRegExp(target) {
920 //http://stevenlevithan.com/regex/xregexp/
922 return (target + "").replace(rregexp, "\\$&")
926 loader: function (builtin) {
927 var flag = innerRequire && builtin
928 window.require = flag ? innerRequire : otherRequire
929 window.define = flag ? innerRequire.define : otherDefine
931 interpolate: function (array) {
934 if (openTag === closeTag) {
935 throw new SyntaxError("openTag!==closeTag")
936 var test = openTag + "test" + closeTag
937 cinerator.innerHTML = test
938 if (cinerator.innerHTML !== test && cinerator.innerHTML.indexOf("<") > -1) {
939 throw new SyntaxError("此定界符不合法")
941 cinerator.innerHTML = ""
943 var o = escapeRegExp(openTag),
944 c = escapeRegExp(closeTag)
945 rexpr = new RegExp(o + "(.*?)" + c)
946 rexprg = new RegExp(o + "(.*?)" + c, "g")
947 rbind = new RegExp(o + ".*?" + c + "|\\sms-")
952 kernel.plugins = plugins
953 kernel.plugins['interpolate'](["{{", "}}"])
956 kernel.maxRepeatSize = 100
957 avalon.config = kernel
958 var ravalon = /(\w+)\[(avalonctrl)="(\S+)"\]/
959 var findNodes = DOC.querySelectorAll ? function(str) {
960 return DOC.querySelectorAll(str)
962 var match = str.match(ravalon)
963 var all = DOC.getElementsByTagName(match[1])
965 for (var i = 0, el; el = all[i++]; ) {
966 if (el.getAttribute(match[2]) === match[3]) {
972 /*********************************************************************
974 **********************************************************************/
976 $watch: function (type, callback) {
977 if (typeof callback === "function") {
978 var callbacks = this.$events[type]
980 callbacks.push(callback)
982 this.$events[type] = [callback]
984 } else { //重新开始监听此VM的第一重简单属性的变动
985 this.$events = this.$watch.backup
989 $unwatch: function (type, callback) {
990 var n = arguments.length
991 if (n === 0) { //让此VM的所有$watch回调无效化
992 this.$watch.backup = this.$events
994 } else if (n === 1) {
995 this.$events[type] = []
997 var callbacks = this.$events[type] || []
998 var i = callbacks.length
1000 if (callbacks[i] === callback) {
1001 return callbacks.splice(i, 1)
1007 $fire: function (type) {
1008 var special, i, v, callback
1009 if (/^(\w+)!(\S+)$/.test(type)) {
1013 var events = this.$events
1016 var args = aslice.call(arguments, 1)
1017 var detail = [type].concat(args)
1018 if (special === "all") {
1019 for (i in avalon.vmodels) {
1020 v = avalon.vmodels[i]
1022 v.$fire.apply(v, detail)
1025 } else if (special === "up" || special === "down") {
1026 var elements = events.expr ? findNodes(events.expr) : []
1027 if (elements.length === 0)
1029 for (i in avalon.vmodels) {
1030 v = avalon.vmodels[i]
1032 if (v.$events.expr) {
1033 var eventNodes = findNodes(v.$events.expr)
1034 if (eventNodes.length === 0) {
1037 //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
1038 /* jshint ignore:start */
1039 ap.forEach.call(eventNodes, function (node) {
1040 ap.forEach.call(elements, function (element) {
1041 var ok = special === "down" ? element.contains(node) : //向下捕获
1042 node.contains(element) //向上冒泡
1044 node._avalon = v //符合条件的加一个标识
1048 /* jshint ignore:end */
1052 var nodes = DOC.getElementsByTagName("*") //实现节点排序
1054 ap.forEach.call(nodes, function (el) {
1056 alls.push(el._avalon)
1058 el.removeAttribute("_avalon")
1061 if (special === "up") {
1064 for (i = 0; callback = alls[i++]; ) {
1065 if (callback.$fire.apply(callback, detail) === false) {
1070 var callbacks = events[type] || []
1071 var all = events.$all || []
1072 for (i = 0; callback = callbacks[i++]; ) {
1073 if (isFunction(callback))
1074 callback.apply(this, args)
1076 for (i = 0; callback = all[i++]; ) {
1077 if (isFunction(callback))
1078 callback.apply(this, arguments)
1084 /*********************************************************************
1086 **********************************************************************/
1087 //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)
1088 var VMODELS = avalon.vmodels = {} //所有vmodel都储存在这里
1089 avalon.define = function (id, factory) {
1090 var $id = id.$id || id
1092 log("warning: vm必须指定$id")
1095 log("warning: " + $id + " 已经存在于avalon.vmodels中")
1097 if (typeof id === "object") {
1098 var model = modelFactory(id)
1103 factory(scope) //得到所有定义
1105 model = modelFactory(scope) //偷天换日,将scope换为model
1106 stopRepeatAssign = true
1108 stopRepeatAssign = false
1111 return VMODELS[$id] = model
1115 var $$skipArray = String("$id,$watch,$unwatch,$fire,$events,$model,$skipArray,$proxy,$reinitialize,$propertyNames").match(rword)
1116 var defineProperty = Object.defineProperty
1117 var canHideOwn = true
1118 //如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG,比如IE8
1119 //标准浏览器使用__defineGetter__, __defineSetter__实现
1121 defineProperty({}, "_", {
1124 var defineProperties = Object.defineProperties
1129 function modelFactory(source, $special, $model) {
1130 if (Array.isArray(source)) {
1131 var arr = source.concat()
1133 var collection = arrayFactory(source)
1134 collection.pushArray(arr)
1137 //0 null undefined || Node || VModel(fix IE6-8 createWithProxy $val: val引发的BUG)
1138 if (!source || source.nodeType > 0 || (source.$id && source.$events)) {
1141 var $skipArray = Array.isArray(source.$skipArray) ? source.$skipArray : []
1142 $skipArray.$special = $special || {} //强制要监听的属性
1143 var $vmodel = {} //要返回的对象, 它在IE6-8下可能被偷龙转凤
1144 $model = $model || {} //vmodels.$model属性
1145 var $events = {} //vmodel.$events属性
1146 var accessors = {} //监控属性
1148 $$skipArray.forEach(function (name) {
1151 var names = Object.keys(source)
1152 /* jshint ignore:start */
1153 names.forEach(function (name, accessor) {
1154 var val = source[name]
1156 if (isObservable(name, val, $skipArray)) {
1159 var valueType = avalon.type(val)
1161 if (valueType === "object" && isFunction(val.get) && Object.keys(val).length <= 2) {
1162 accessor = makeComputedAccessor(name, val)
1163 computed.push(accessor)
1164 } else if (rcomplexType.test(valueType)) {
1165 accessor = makeComplexAccessor(name, val, valueType, $events[name])
1167 accessor = makeSimpleAccessor(name, val)
1169 accessors[name] = accessor
1172 /* jshint ignore:end */
1174 $vmodel = defineProperties($vmodel, descriptorFactory(accessors), source) //生成一个空的ViewModel
1175 for (var i = 0; i < names.length; i++) {
1177 if (!accessors[name]) {
1178 $vmodel[name] = source[name]
1181 //添加$id, $model, $events, $watch, $unwatch, $fire
1182 $vmodel.$propertyNames = names.join("­")
1183 $vmodel.$id = generateID()
1184 $vmodel.$model = $model
1185 $vmodel.$events = $events
1186 for (i in EventBus) {
1187 var fn = EventBus[i]
1188 if (!W3C) { //在IE6-8下,VB对象的方法里的this并不指向自身,需要用bind处理一下
1189 fn = fn.bind($vmodel)
1194 Object.defineProperty($vmodel, "hasOwnProperty", hasOwnDescriptor)
1196 /* jshint ignore:start */
1197 $vmodel.hasOwnProperty = function (name) {
1198 return name in $vmodel.$model
1200 /* jshint ignore:end */
1203 $vmodel.$reinitialize = function () {
1204 computed.forEach(function (accessor) {
1205 delete accessor._value
1206 delete accessor.oldArgs
1207 accessor.digest = function () {
1208 accessor.call($vmodel)
1210 dependencyDetection.begin({
1211 callback: function (vm, dependency) {//dependency为一个accessor
1212 var name = dependency._name
1213 if (dependency !== accessor) {
1214 var list = vm.$events[name]
1215 injectDependency(list, accessor.digest)
1220 accessor.get.call($vmodel)
1222 dependencyDetection.end()
1226 $vmodel.$reinitialize()
1230 var hasOwnDescriptor = {
1231 value: function (name) {
1232 return name in this.$model
1239 function makeSimpleAccessor(name, value) {
1240 function accessor(value) {
1241 var oldValue = accessor._value
1242 if (arguments.length > 0) {
1243 if (!stopRepeatAssign && !isEqual(value, oldValue)) {
1244 accessor.updateValue(this, value)
1245 accessor.notify(this, value, oldValue)
1249 dependencyDetection.collectDependency(this, accessor)
1253 accessorFactory(accessor, name)
1254 accessor._value = value
1259 function makeComputedAccessor(name, options) {
1260 function accessor(value) {//计算属性
1261 var oldValue = accessor._value
1262 var init = ("_value" in accessor)
1263 if (arguments.length > 0) {
1264 if (stopRepeatAssign) {
1267 if (typeof accessor.set === "function") {
1268 if (accessor.oldArgs !== value) {
1269 accessor.oldArgs = value
1270 var $events = this.$events
1271 var lock = $events[name]
1272 $events[name] = [] //清空回调,防止内部冒泡而触发多次$fire
1273 accessor.set.call(this, value)
1274 $events[name] = lock
1275 value = accessor.get.call(this)
1276 if (value !== oldValue) {
1277 accessor.updateValue(this, value)
1278 accessor.notify(this, value, oldValue) //触发$watch回调
1284 //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
1286 value = accessor.get.call(this)
1287 accessor.updateValue(this, value)
1288 if (init && oldValue !== value) {
1289 accessor.notify(this, value, oldValue) //触发$watch回调
1294 accessor.set = options.set
1295 accessor.get = options.get
1296 accessorFactory(accessor, name)
1301 function makeComplexAccessor(name, initValue, valueType, list) {
1302 function accessor(value) {
1303 var oldValue = accessor._value
1305 var son = accessor._vmodel
1306 if (arguments.length > 0) {
1307 if (stopRepeatAssign) {
1310 if (valueType === "array") {
1311 var a = son, b = value,
1316 a.splice(bn, an - bn)
1317 } else if (bn > an) {
1318 a.push.apply(a, b.slice(an))
1320 var n = Math.min(an, bn)
1321 for (var i = 0; i < n; i++) {
1326 } else if (valueType === "object") {
1327 var newPropertyNames = Object.keys(value).join("­")
1328 if (son.$propertyNames === newPropertyNames) {
1333 var sson = accessor._vmodel = modelFactory(value)
1334 var sevent = sson.$events
1335 var oevent = son.$events
1336 for (var i in sevent) {
1338 if (Array.isArray(arr)) {
1339 arr = arr.concat(oevent[i])
1342 sevent[subscribers] = oevent[subscribers]
1343 sson.$proxy = son.$proxy
1347 accessor.updateValue(this, son.$model)
1348 accessor.notify(this, this._value, oldValue)
1351 dependencyDetection.collectDependency(this, accessor)
1355 accessorFactory(accessor, name)
1356 var son = accessor._vmodel = modelFactory(initValue)
1357 son.$events[subscribers] = list
1361 function globalUpdateValue(vmodel, value) {
1362 vmodel.$model[this._name] = this._value = value
1365 function globalNotify(vmodel, value, oldValue) {
1366 var name = this._name
1367 var array = vmodel.$events[name] //刷新值
1369 fireDependencies(array) //同步视图
1370 EventBus.$fire.call(vmodel, name, value, oldValue) //触发$watch回调
1374 function accessorFactory(accessor, name) {
1375 accessor._name = name
1377 accessor.updateValue = globalUpdateValue
1378 accessor.notify = globalNotify
1382 var isEqual = Object.is || function (v1, v2) {
1383 if (v1 === 0 && v2 === 0) {
1384 return 1 / v1 === 1 / v2
1385 } else if (v1 !== v1) {
1392 function isObservable(name, value, $skipArray) {
1393 if (isFunction(value) || value && value.nodeType) {
1396 if ($skipArray.indexOf(name) !== -1) {
1399 var $special = $skipArray.$special
1400 if (name && name.charAt(0) === "$" && !$special[name]) {
1406 var descriptorFactory = W3C ? function (obj) {
1407 var descriptors = {}
1408 for (var i in obj) {
1421 //===================修复浏览器对Object.defineProperties的支持=================
1423 if ("__defineGetter__" in avalon) {
1424 defineProperty = function (obj, prop, desc) {
1425 if ('value' in desc) {
1426 obj[prop] = desc.value
1428 if ("get" in desc) {
1429 obj.__defineGetter__(prop, desc.get)
1431 if ('set' in desc) {
1432 obj.__defineSetter__(prop, desc.set)
1436 defineProperties = function (obj, descs) {
1437 for (var prop in descs) {
1438 if (descs.hasOwnProperty(prop)) {
1439 defineProperty(obj, prop, descs[prop])
1446 var VBClassPool = {}
1447 window.execScript([// jshint ignore:line
1448 "Function parseVB(code)",
1449 "\tExecuteGlobal(code)",
1450 "End Function" //转换一段文本为VB代码
1451 ].join("\n"), "VBScript")
1452 function VBMediator(instance, accessors, name, value) {// jshint ignore:line
1453 var accessor = accessors[name]
1454 if (arguments.length === 4) {
1455 accessor.call(instance, value)
1457 return accessor.call(instance)
1460 defineProperties = function (name, accessors, properties) {
1461 // jshint ignore:line
1464 "\r\n\tPrivate [__data__], [__proxy__]",
1465 "\tPublic Default Function [__const__](d, p)",
1466 "\t\tSet [__data__] = d: set [__proxy__] = p",
1467 "\t\tSet [__const__] = Me", //链式调用
1469 //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
1470 for (name in properties) {
1471 if (!accessors.hasOwnProperty(name)) {
1472 buffer.push("\tPublic [" + name + "]")
1475 $$skipArray.forEach(function (name) {
1476 if (!accessors.hasOwnProperty(name)) {
1477 buffer.push("\tPublic [" + name + "]")
1480 buffer.push("\tPublic [" + 'hasOwnProperty' + "]")
1482 for (name in accessors) {
1484 //由于不知对方会传入什么,因此set, let都用上
1485 "\tPublic Property Let [" + name + "](val" + expose + ")", //setter
1486 "\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
1488 "\tPublic Property Set [" + name + "](val" + expose + ")", //setter
1489 "\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
1491 "\tPublic Property Get [" + name + "]", //getter
1492 "\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
1493 "\t\tSet[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
1494 "\tIf Err.Number <> 0 Then",
1495 "\t\t[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
1497 "\tOn Error Goto 0",
1502 buffer.push("End Class")
1503 var body = buffer.join("\r\n")
1504 var className =VBClassPool[body]
1506 className = generateID("VBClass")
1507 window.parseVB("Class " + className + body)
1509 "Function " + className + "Factory(a, b)", //创建实例并传入两个关键的参数
1511 "\tSet o = (New " + className + ")(a, b)",
1512 "\tSet " + className + "Factory = o",
1515 VBClassPool[body] = className
1517 var ret = window[className + "Factory"](accessors, VBMediator) //得到其产品
1523 /*********************************************************************
1524 * 监控数组(与ms-each, ms-repeat配合使用) *
1525 **********************************************************************/
1527 function arrayFactory(model) {
1529 array.$id = generateID()
1530 array.$model = model //数据模型
1532 array.$events[subscribers] = []
1533 array._ = modelFactory({
1534 length: model.length
1536 array._.$watch("length", function (a, b) {
1537 array.$fire("length", a, b)
1539 for (var i in EventBus) {
1540 array[i] = EventBus[i]
1542 avalon.mix(array, arrayPrototype)
1546 function mutateArray(method, pos, n, index, method2, pos2, n2) {
1547 var oldLen = this.length, loop = 2
1551 /* jshint ignore:start */
1552 var array = this.$model.slice(pos, pos + n).map(function (el) {
1553 if (rcomplexType.test(avalon.type(el))) {
1554 return el.$id ? el : modelFactory(el, 0, el)
1559 /* jshint ignore:end */
1560 _splice.apply(this, [pos, 0].concat(array))
1561 this._fire("add", pos, n)
1564 var ret = this._splice(pos, n)
1565 this._fire("del", pos, n)
1576 this._fire("index", index)
1577 if (this.length !== oldLen) {
1578 this._.length = this.length
1583 var _splice = ap.splice
1584 var arrayPrototype = {
1586 _fire: function (method, a, b) {
1587 fireDependencies(this.$events[subscribers], method, a, b)
1589 size: function () { //取得数组长度,这个函数可以同步视图,length不能
1590 return this._.length
1592 pushArray: function (array) {
1593 var m = array.length, n = this.length
1595 ap.push.apply(this.$model, array)
1596 mutateArray.call(this, "add", n, m, Math.max(0, n - 1))
1601 //http://jsperf.com/closure-with-arguments
1603 var i, n = arguments.length
1604 for (i = 0; i < n; i++) {
1605 array[i] = arguments[i]
1607 return this.pushArray(array)
1609 unshift: function () {
1610 var m = arguments.length, n = this.length
1612 ap.unshift.apply(this.$model, arguments)
1613 mutateArray.call(this, "add", 0, m, 0)
1615 return m + n //IE67的unshift不会返回长度
1617 shift: function () {
1619 var el = this.$model.shift()
1620 mutateArray.call(this, "del", 0, 1, 0)
1621 return el //返回被移除的元素
1627 var el = this.$model.pop()
1628 mutateArray.call(this, "del", n - 1, 1, Math.max(0, n - 2))
1629 return el //返回被移除的元素
1632 splice: function (start) {
1633 var m = arguments.length, args = [], change
1634 var removed = _splice.apply(this.$model, arguments)
1635 if (removed.length) { //如果用户删掉了元素
1636 args.push("del", start, removed.length, 0)
1639 if (m > 2) { //如果用户添加了元素
1641 args.splice(3, 1, 0, "add", start, m - 2)
1643 args.push("add", start, m - 2, 0)
1647 if (change) { //返回被移除的元素
1648 return mutateArray.apply(this, args)
1653 contains: function (el) { //判定是否包含
1654 return this.indexOf(el) !== -1
1656 remove: function (el) { //移除第一个等于给定值的元素
1657 return this.removeAt(this.indexOf(el))
1659 removeAt: function (index) { //移除指定索引上的元素
1661 this.$model.splice(index, 1)
1662 return mutateArray.call(this, "del", index, 1, 0)
1666 clear: function () {
1667 this.$model.length = this.length = this._.length = 0 //清空数组
1668 this._fire("clear", 0)
1671 removeAll: function (all) { //移除N个元素
1672 if (Array.isArray(all)) {
1673 for (var i = this.length - 1; i >= 0; i--) {
1674 if (all.indexOf(this[i]) !== -1) {
1678 } else if (typeof all === "function") {
1679 for ( i = this.length - 1; i >= 0; i--) {
1689 ensure: function (el) {
1690 if (!this.contains(el)) { //只有不存在才push
1695 set: function (index, val) {
1697 var valueType = avalon.type(val)
1698 if (val && val.$model) {
1701 var target = this[index]
1702 if (valueType === "object") {
1703 for (var i in val) {
1704 if (target.hasOwnProperty(i)) {
1708 } else if (valueType === "array") {
1709 target.clear().push.apply(target, val)
1710 } else if (target !== val) {
1712 this.$model[index] = val
1713 this._fire("set", index, val)
1719 //相当于原来bindingExecutors.repeat 的index分支
1720 function resetIndex(array, pos) {
1721 var last = array.length - 1
1722 for (var el; el = array[pos]; pos++) {
1724 el.$first = pos === 0
1725 el.$last = pos === last
1729 function sortByIndex(array, indexes) {
1731 for (var i = 0, n = indexes.length; i < n; i++) {
1732 map[i] = array[i] // preserve
1743 "sort,reverse".replace(rword, function (method) {
1744 arrayPrototype[method] = function () {
1745 var newArray = this.$model//这是要排序的新数组
1746 var oldArray = newArray.concat() //保持原来状态的旧数组
1747 var mask = Math.random()
1750 ap[method].apply(newArray, arguments) //排序
1751 for (var i = 0, n = oldArray.length; i < n; i++) {
1752 var neo = newArray[i]
1753 var old = oldArray[i]
1754 if (isEqual(neo, old)) {
1757 var index = oldArray.indexOf(neo)
1758 indexes.push(index)//得到新数组的每个元素在旧数组对应的位置
1759 oldArray[index] = mask //屏蔽已经找过的元素
1764 sortByIndex(this, indexes)
1765 // sortByIndex(this.$proxy, indexes)
1766 this._fire("move", indexes)
1767 this._fire("index", 0)
1774 /*********************************************************************
1776 **********************************************************************/
1778 var dependencyDetection = (function () {
1779 var outerFrames = []
1782 begin: function (accessorObject) {
1783 //accessorObject为一个拥有callback的对象
1784 outerFrames.push(currentFrame)
1785 currentFrame = accessorObject
1788 currentFrame = outerFrames.pop()
1790 collectDependency: function (vmodel, accessor) {
1792 //被dependencyDetection.begin调用
1793 currentFrame.callback(vmodel, accessor);
1798 //将绑定对象注入到其依赖项的订阅数组中
1799 var ronduplex = /^(duplex|on)$/
1800 avalon.injectBinding = function (data) {
1801 var valueFn = data.evaluator
1802 if (valueFn) { //如果是求值函数
1803 dependencyDetection.begin({
1804 callback: function (vmodel, dependency) {
1805 injectDependency(vmodel.$events[dependency._name], data)
1809 var value = ronduplex.test(data.type) ? data : valueFn.apply(0, data.args)
1810 if(value === void 0){
1811 delete data.evaluator
1813 data.handler(value, data.element, data)
1815 //log("warning:exception throwed in [avalon.injectBinding] " + e)
1816 delete data.evaluator
1817 var node = data.element
1818 if (node.nodeType === 3) {
1819 var parent = node.parentNode
1820 if (kernel.commentInterpolate) {
1821 parent.replaceChild(DOC.createComment(data.value), node)
1823 node.data = openTag + (data.oneTime ? "::" : "") + data.value + closeTag
1827 dependencyDetection.end()
1832 //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
1833 function injectDependency(list, data) {
1836 if (list && avalon.Array.ensure(list, data) && data.element) {
1837 injectDisposeQueue(data, list)
1841 //通知依赖于这个访问器的订阅者更新自身
1842 function fireDependencies(list) {
1843 if (list && list.length) {
1844 if (new Date() - beginTime > 444 && typeof list[0] === "object") {
1845 rejectDisposeQueue()
1847 var args = aslice.call(arguments, 1)
1848 for (var i = list.length, fn; fn = list[--i]; ) {
1850 if (el && el.parentNode) {
1852 var valueFn = fn.evaluator
1854 fn.handler.apply(fn, args) //处理监控数组的方法
1855 }else if("$repeat" in fn || !valueFn ){//如果没有eval,先eval
1856 bindingHandlers[fn.type](fn, fn.vmodels)
1857 } else if (fn.type !== "on") { //事件绑定只能由用户触发,不能由程序触发
1858 var value = valueFn.apply(0, fn.args || [])
1859 fn.handler(value, el, fn)
1866 /*********************************************************************
1868 **********************************************************************/
1869 var disposeCount = 0
1870 var disposeQueue = avalon.$$subscribers = []
1871 var beginTime = new Date()
1874 function getUid(obj, makeID) { //IE9+,标准浏览器
1875 if (!obj.uuid && !makeID) {
1876 obj.uuid = ++disposeCount
1877 uuid2Node[obj.uuid] = obj
1881 function getNode(uuid) {
1882 return uuid2Node[uuid]
1885 function injectDisposeQueue(data, list) {
1886 var elem = data.element
1888 if (elem.nodeType !== 1) {
1889 data.uuid = data.type + (data.pos || 0) + "-" + getUid(elem.parentNode)
1891 data.uuid = data.name + "-" + getUid(elem)
1894 var lists = data.lists || (data.lists = [])
1895 avalon.Array.ensure(lists, list)
1896 list.$uuid = list.$uuid || generateID()
1897 if (!disposeQueue[data.uuid]) {
1898 disposeQueue[data.uuid] = 1
1899 disposeQueue.push(data)
1903 function rejectDisposeQueue(data) {
1904 if (avalon.optimize)
1906 var i = disposeQueue.length
1909 var iffishTypes = {}
1911 //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
1912 while (data = disposeQueue[--i]) {
1913 var type = data.type
1914 if (newInfo[type]) {
1922 allTypes.forEach(function (type) {
1923 if (oldInfo[type] !== newInfo[type]) {
1924 iffishTypes[type] = 1
1930 while (data = disposeQueue[--i]) {
1933 if (iffishTypes[data.type] && shouldDispose(data.element)) { //如果它没有在DOM树
1934 disposeQueue.splice(i, 1)
1935 delete disposeQueue[data.uuid]
1936 delete uuid2Node[data.element.uuid]
1937 var lists = data.lists
1938 for (var k = 0, list; list = lists[k++]; ) {
1939 avalon.Array.remove(lists, list)
1940 avalon.Array.remove(list, data)
1947 beginTime = new Date()
1950 function disposeData(data) {
1952 data.rollback && data.rollback()
1953 for (var key in data) {
1958 function shouldDispose(el) {
1959 try {//IE下,如果文本节点脱离DOM树,访问parentNode会报错
1960 if (!el.parentNode) {
1967 return el.msRetain ? 0 : (el.nodeType === 1 ? !root.contains(el) : !avalon.contains(root, el))
1970 /************************************************************************
1971 * HTML处理(parseHTML, innerHTML, clearHTML) *
1972 ************************************************************************/
1973 // We have to close these tags to support XHTML
1975 area: [1, "<map>", "</map>"],
1976 param: [1, "<object>", "</object>"],
1977 col: [2, "<table><colgroup>", "</colgroup></table>"],
1978 legend: [1, "<fieldset>", "</fieldset>"],
1979 option: [1, "<select multiple='multiple'>", "</select>"],
1980 thead: [1, "<table>", "</table>"],
1981 tr: [2, "<table>", "</table>"],
1982 td: [3, "<table><tr>", "</tr></table>"],
1983 g: [1, '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">', '</svg>'],
1984 //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
1985 _default: W3C ? [0, "", ""] : [1, "X<div>", "</div>"] //div可以不用闭合
1987 tagHooks.th = tagHooks.td
1988 tagHooks.optgroup = tagHooks.option
1989 tagHooks.tbody = tagHooks.tfoot = tagHooks.colgroup = tagHooks.caption = tagHooks.thead
1990 String("circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use").replace(rword, function (tag) {
1991 tagHooks[tag] = tagHooks.g //处理SVG
1993 var rtagName = /<([\w:]+)/ //取得其tagName
1994 var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig
1995 var rcreate = W3C ? /[^\d\D]/ : /(<(?:script|link|style|meta|noscript))/ig
1996 var scriptTypes = oneObject(["", "text/javascript", "text/ecmascript", "application/ecmascript", "application/javascript"])
1997 var rnest = /<(?:tb|td|tf|th|tr|col|opt|leg|cap|area)/ //需要处理套嵌关系的标签
1998 var script = DOC.createElement("script")
1999 var rhtml = /<|&#?\w+;/
2000 avalon.parseHTML = function (html) {
2001 var fragment = avalonFragment.cloneNode(false)
2002 if (typeof html !== "string") {
2005 if (!rhtml.test(html)) {
2006 fragment.appendChild(DOC.createTextNode(html))
2009 html = html.replace(rxhtml, "<$1></$2>").trim()
2010 var tag = (rtagName.exec(html) || ["", ""])[1].toLowerCase(),
2012 wrap = tagHooks[tag] || tagHooks._default,
2013 wrapper = cinerator,
2015 if (!W3C) { //fix IE
2016 html = html.replace(rcreate, "<br class=msNoScope>$1") //在link style script等标签之前添加一个补丁
2018 wrapper.innerHTML = wrap[1] + html + wrap[2]
2019 var els = wrapper.getElementsByTagName("script")
2020 if (els.length) { //使用innerHTML生成的script节点不会发出请求与执行text属性
2021 for (var i = 0, el; el = els[i++]; ) {
2022 if (scriptTypes[el.type]) {
2024 neo = script.cloneNode(false) //FF不能省略参数
2025 ap.forEach.call(el.attributes, function (attr) {
2026 if (attr && attr.specified) {
2027 neo[attr.name] = attr.value //复制其属性
2028 neo.setAttribute(attr.name, attr.value)
2030 }) // jshint ignore:line
2032 el.parentNode.replaceChild(neo, el) //替换节点
2036 if (!W3C) { //fix IE
2037 var target = wrap[1] === "X<div>" ? wrapper.lastChild.firstChild : wrapper.lastChild
2038 if (target && target.tagName === "TABLE" && tag !== "tbody") {
2039 //IE6-7处理 <thead> --> <thead>,<tbody>
2040 //<tfoot> --> <tfoot>,<tbody>
2041 //<table> --> <table><tbody></table>
2042 for (els = target.childNodes, i = 0; el = els[i++]; ) {
2043 if (el.tagName === "TBODY" && !el.innerHTML) {
2044 target.removeChild(el)
2049 els = wrapper.getElementsByTagName("br")
2051 while (el = els[--n]) {
2052 if (el.className === "msNoScope") {
2053 el.parentNode.removeChild(el)
2056 for (els = wrapper.all, i = 0; el = els[i++]; ) { //fix VML
2062 //移除我们为了符合套嵌关系而添加的标签
2063 for (i = wrap[0]; i--; wrapper = wrapper.lastChild) {
2065 while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上!
2066 fragment.appendChild(firstChild)
2071 function isVML(src) {
2072 var nodeName = src.nodeName
2073 return nodeName.toLowerCase() === nodeName && src.scopeName && src.outerText === ""
2076 function fixVML(node) {
2077 if (node.currentStyle.behavior !== "url(#default#VML)") {
2078 node.style.behavior = "url(#default#VML)"
2079 node.style.display = "inline-block"
2080 node.style.zoom = 1 //hasLayout
2083 avalon.innerHTML = function (node, html) {
2084 if (!W3C && (!rcreate.test(html) && !rnest.test(html))) {
2086 node.innerHTML = html
2091 var a = this.parseHTML(html)
2092 this.clearHTML(node).appendChild(a)
2094 avalon.clearHTML = function (node) {
2095 node.textContent = ""
2096 while (node.firstChild) {
2097 node.removeChild(node.firstChild)
2102 /*********************************************************************
2104 **********************************************************************/
2106 function hyphen(target) {
2108 return target.replace(/([a-z\d])([A-Z]+)/g, "$1-$2").toLowerCase()
2111 function camelize(target) {
2112 //提前判断,提高getStyle等的效率
2113 if (!target || target.indexOf("-") < 0 && target.indexOf("_") < 0) {
2117 return target.replace(/[-_][^-_]/g, function(match) {
2118 return match.charAt(1).toUpperCase()
2122 var fakeClassListMethods = {
2123 _toString: function() {
2124 var node = this.node
2125 var cls = node.className
2126 var str = typeof cls === "string" ? cls : cls.baseVal
2127 return str.split(/\s+/).join(" ")
2129 _contains: function(cls) {
2130 return (" " + this + " ").indexOf(" " + cls + " ") > -1
2132 _add: function(cls) {
2133 if (!this.contains(cls)) {
2134 this._set(this + " " + cls)
2137 _remove: function(cls) {
2138 this._set((" " + this + " ").replace(" " + cls + " ", " "))
2140 __set: function(cls) {
2142 var node = this.node
2143 if (rsvg.test(node)) {
2144 //SVG元素的className是一个对象 SVGAnimatedString { baseVal="", animVal=""},只能通过set/getAttribute操作
2145 node.setAttribute("class", cls)
2147 node.className = cls
2149 } //toggle存在版本差异,因此不使用它
2152 function fakeClassList(node) {
2153 if (!("classList" in node)) {
2157 for (var k in fakeClassListMethods) {
2158 node.classList[k.slice(1)] = fakeClassListMethods[k]
2161 return node.classList
2165 "add,remove".replace(rword, function(method) {
2166 avalon.fn[method + "Class"] = function(cls) {
2168 //https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26
2169 if (cls && typeof cls === "string" && el && el.nodeType === 1) {
2170 cls.replace(/\S+/g, function(c) {
2171 fakeClassList(el)[method](c)
2178 hasClass: function(cls) {
2179 var el = this[0] || {}
2180 return el.nodeType === 1 && fakeClassList(el).contains(cls)
2182 toggleClass: function(value, stateVal) {
2183 var className, i = 0
2184 var classNames = String(value).split(/\s+/)
2185 var isBool = typeof stateVal === "boolean"
2186 while ((className = classNames[i++])) {
2187 var state = isBool ? stateVal : !this.hasClass(className)
2188 this[state ? "addClass" : "removeClass"](className)
2192 attr: function(name, value) {
2193 if (arguments.length === 2) {
2194 this[0].setAttribute(name, value)
2197 return this[0].getAttribute(name)
2200 data: function(name, value) {
2201 name = "data-" + hyphen(name || "")
2202 switch (arguments.length) {
2204 this.attr(name, value)
2207 var val = this.attr(name)
2208 return parseData(val)
2211 ap.forEach.call(this[0].attributes, function(attr) {
2214 if (!name.indexOf("data-")) {
2215 name = camelize(name.slice(5))
2216 ret[name] = parseData(attr.value)
2223 removeData: function(name) {
2224 name = "data-" + hyphen(name)
2225 this[0].removeAttribute(name)
2228 css: function(name, value) {
2229 if (avalon.isPlainObject(name)) {
2230 for (var i in name) {
2231 avalon.css(this, i, name[i])
2234 var ret = avalon.css(this, name, value)
2236 return ret !== void 0 ? ret : this
2238 position: function() {
2239 var offsetParent, offset,
2248 if (this.css("position") === "fixed") {
2249 offset = elem.getBoundingClientRect()
2251 offsetParent = this.offsetParent() //得到真正的offsetParent
2252 offset = this.offset() // 得到正确的offsetParent
2253 if (offsetParent[0].tagName !== "HTML") {
2254 parentOffset = offsetParent.offset()
2256 parentOffset.top += avalon.css(offsetParent[0], "borderTopWidth", true)
2257 parentOffset.left += avalon.css(offsetParent[0], "borderLeftWidth", true)
2259 // Subtract offsetParent scroll positions
2260 parentOffset.top -= offsetParent.scrollTop()
2261 parentOffset.left -= offsetParent.scrollLeft()
2264 top: offset.top - parentOffset.top - avalon.css(elem, "marginTop", true),
2265 left: offset.left - parentOffset.left - avalon.css(elem, "marginLeft", true)
2268 offsetParent: function() {
2269 var offsetParent = this[0].offsetParent
2270 while (offsetParent && avalon.css(offsetParent, "position") === "static") {
2271 offsetParent = offsetParent.offsetParent;
2273 return avalon(offsetParent || root)
2275 bind: function(type, fn, phase) {
2276 if (this[0]) { //此方法不会链
2277 return avalon.bind(this[0], type, fn, phase)
2280 unbind: function(type, fn, phase) {
2282 avalon.unbind(this[0], type, fn, phase)
2286 val: function(value) {
2288 if (node && node.nodeType === 1) {
2289 var get = arguments.length === 0
2290 var access = get ? ":get" : ":set"
2291 var fn = valHooks[getValType(node) + access]
2293 var val = fn(node, value)
2295 return (node.value || "").replace(/\r/g, "")
2300 return get ? val : this
2304 function parseData(data) {
2306 if (typeof data === "object")
2308 data = data === "true" ? true :
2309 data === "false" ? false :
2310 data === "null" ? null : +data + "" === data ? +data : rbrace.test(data) ? avalon.parseJSON(data) : data
2314 var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
2315 rvalidchars = /^[\],:{}\s]*$/,
2316 rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
2317 rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
2318 rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g
2319 avalon.parseJSON = window.JSON ? JSON.parse : function(data) {
2320 if (typeof data === "string") {
2323 if (rvalidchars.test(data.replace(rvalidescape, "@")
2324 .replace(rvalidtokens, "]")
2325 .replace(rvalidbraces, ""))) {
2326 return (new Function("return " + data))() // jshint ignore:line
2329 avalon.error("Invalid JSON: " + data)
2334 //生成avalon.fn.scrollLeft, avalon.fn.scrollTop方法
2336 scrollLeft: "pageXOffset",
2337 scrollTop: "pageYOffset"
2338 }, function(method, prop) {
2339 avalon.fn[method] = function(val) {
2340 var node = this[0] || {}, win = getWindow(node),
2341 top = method === "scrollTop"
2342 if (!arguments.length) {
2343 return win ? (prop in win) ? win[prop] : root[method] : node[method]
2346 win.scrollTo(!top ? val : avalon(win).scrollLeft(), top ? val : avalon(win).scrollTop())
2354 function getWindow(node) {
2355 return node.window && node.document ? node : node.nodeType === 9 ? node.defaultView || node.parentWindow : false;
2357 //=============================css相关=======================
2358 var cssHooks = avalon.cssHooks = {}
2359 var prefixes = ["", "-webkit-", "-o-", "-moz-", "-ms-"]
2361 "float": W3C ? "cssFloat" : "styleFloat"
2363 avalon.cssNumber = oneObject("columnCount,order,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom")
2365 avalon.cssName = function(name, host, camelCase) {
2369 host = host || root.style
2370 for (var i = 0, n = prefixes.length; i < n; i++) {
2371 camelCase = camelize(prefixes[i] + name)
2372 if (camelCase in host) {
2373 return (cssMap[name] = camelCase)
2378 cssHooks["@:set"] = function(node, name, value) {
2379 try { //node.style.width = NaN;node.style.width = "xxxxxxx";node.style.width = undefine 在旧式IE下会抛异常
2380 node.style[name] = value
2383 if (window.getComputedStyle) {
2384 cssHooks["@:get"] = function(node, name) {
2385 if (!node || !node.style) {
2386 throw new Error("getComputedStyle要求传入一个节点 " + node)
2388 var ret, styles = getComputedStyle(node, null)
2390 ret = name === "filter" ? styles.getPropertyValue(name) : styles[name]
2392 ret = node.style[name] //其他浏览器需要我们手动取内联样式
2397 cssHooks["opacity:get"] = function(node) {
2398 var ret = cssHooks["@:get"](node, "opacity")
2399 return ret === "" ? "1" : ret
2402 var rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i
2403 var rposition = /^(top|right|bottom|left)$/
2404 var ralpha = /alpha\([^)]*\)/i
2405 var ie8 = !! window.XDomainRequest
2406 var salpha = "DXImageTransform.Microsoft.Alpha"
2408 thin: ie8 ? '1px' : '2px',
2409 medium: ie8 ? '3px' : '4px',
2410 thick: ie8 ? '5px' : '6px'
2412 cssHooks["@:get"] = function(node, name) {
2413 //取得精确值,不过它有可能是带em,pc,mm,pt,%等单位
2414 var currentStyle = node.currentStyle
2415 var ret = currentStyle[name]
2416 if ((rnumnonpx.test(ret) && !rposition.test(ret))) {
2417 //①,保存原有的style.left, runtimeStyle.left,
2418 var style = node.style,
2420 rsLeft = node.runtimeStyle.left
2421 //②由于③处的style.left = xxx会影响到currentStyle.left,
2422 //因此把它currentStyle.left放到runtimeStyle.left,
2423 //runtimeStyle.left拥有最高优先级,不会style.left影响
2424 node.runtimeStyle.left = currentStyle.left
2425 //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
2426 //得到单位为px的结果;fontSize的分支见http://bugs.jquery.com/ticket/760
2427 style.left = name === 'fontSize' ? '1em' : (ret || 0)
2428 ret = style.pixelLeft + "px"
2429 //④还原 style.left,runtimeStyle.left
2431 node.runtimeStyle.left = rsLeft
2433 if (ret === "medium") {
2434 name = name.replace("Width", "Style")
2435 //border width 默认值为medium,即使其为0"
2436 if (currentStyle[name] === "none") {
2440 return ret === "" ? "auto" : border[ret] || ret
2442 cssHooks["opacity:set"] = function(node, name, value) {
2443 var style = node.style
2444 var opacity = isFinite(value) && value <= 1 ? "alpha(opacity=" + value * 100 + ")" : ""
2445 var filter = style.filter || "";
2448 //node.filters.alpha.opacity = value * 100
2449 style.filter = (ralpha.test(filter) ?
2450 filter.replace(ralpha, opacity) :
2451 filter + " " + opacity).trim()
2452 if (!style.filter) {
2453 style.removeAttribute("filter")
2456 cssHooks["opacity:get"] = function(node) {
2457 //这是最快的获取IE透明值的方式,不需要动用正则了!
2458 var alpha = node.filters.alpha || node.filters[salpha],
2459 op = alpha && alpha.enabled ? alpha.opacity : 100
2460 return (op / 100) + "" //确保返回的是字符串
2464 "top,left".replace(rword, function(name) {
2465 cssHooks[name + ":get"] = function(node) {
2466 var computed = cssHooks["@:get"](node, name)
2467 return /px$/.test(computed) ? computed :
2468 avalon(node).position()[name] + "px"
2473 position: "absolute",
2474 visibility: "hidden",
2478 var rdisplayswap = /^(none|table(?!-c[ea]).+)/
2480 function showHidden(node, array) {
2481 //http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html
2482 if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0
2483 if (rdisplayswap.test(cssHooks["@:get"](node, "display"))) {
2487 for (var name in cssShow) {
2488 obj[name] = node.style[name]
2489 node.style[name] = cssShow[name]
2493 var parent = node.parentNode
2494 if (parent && parent.nodeType === 1) {
2495 showHidden(parent, array)
2499 "Width,Height".replace(rword, function(name) { //fix 481
2500 var method = name.toLowerCase(),
2501 clientProp = "client" + name,
2502 scrollProp = "scroll" + name,
2503 offsetProp = "offset" + name
2504 cssHooks[method + ":get"] = function(node, which, override) {
2506 if (typeof override === "number") {
2507 boxSizing = override
2509 which = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"]
2510 var ret = node[offsetProp] // border-box 0
2511 if (boxSizing === 2) { // margin-box 2
2512 return ret + avalon.css(node, "margin" + which[0], true) + avalon.css(node, "margin" + which[1], true)
2514 if (boxSizing < 0) { // padding-box -2
2515 ret = ret - avalon.css(node, "border" + which[0] + "Width", true) - avalon.css(node, "border" + which[1] + "Width", true)
2517 if (boxSizing === -4) { // content-box -4
2518 ret = ret - avalon.css(node, "padding" + which[0], true) - avalon.css(node, "padding" + which[1], true)
2522 cssHooks[method + "&get"] = function(node) {
2524 showHidden(node, hidden);
2525 var val = cssHooks[method + ":get"](node)
2526 for (var i = 0, obj; obj = hidden[i++];) {
2528 for (var n in obj) {
2529 if (typeof obj[n] === "string") {
2530 node.style[n] = obj[n]
2536 avalon.fn[method] = function(value) { //会忽视其display
2538 if (arguments.length === 0) {
2539 if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替
2540 return node["inner" + name] || node.document.documentElement[clientProp]
2542 if (node.nodeType === 9) { //取得页面尺寸
2543 var doc = node.documentElement
2544 //FF chrome html.scrollHeight< body.scrollHeight
2545 //IE 标准模式 : html.scrollHeight> body.scrollHeight
2546 //IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点?
2547 return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp])
2549 return cssHooks[method + "&get"](node)
2551 return this.css(method, value)
2554 avalon.fn["inner" + name] = function() {
2555 return cssHooks[method + ":get"](this[0], void 0, -2)
2557 avalon.fn["outer" + name] = function(includeMargin) {
2558 return cssHooks[method + ":get"](this[0], void 0, includeMargin === true ? 2 : 0)
2561 avalon.fn.offset = function() { //取得距离页面左右角的坐标
2567 if (!node || !node.tagName || !node.ownerDocument) {
2570 var doc = node.ownerDocument,
2572 root = doc.documentElement,
2573 win = doc.defaultView || doc.parentWindow
2574 if (!avalon.contains(root, node)) {
2577 //http://hkom.blog1.fc2.com/?mode=m&no=750 body的偏移量是不包含margin的
2578 //我们可以通过getBoundingClientRect来获得元素相对于client的rect.
2579 //http://msdn.microsoft.com/en-us/library/ms536433.aspx
2580 if (node.getBoundingClientRect) {
2581 box = node.getBoundingClientRect() // BlackBerry 5, iOS 3 (original iPhone)
2583 //chrome/IE6: body.scrollTop, firefox/other: root.scrollTop
2584 var clientTop = root.clientTop || body.clientTop,
2585 clientLeft = root.clientLeft || body.clientLeft,
2586 scrollTop = Math.max(win.pageYOffset || 0, root.scrollTop, body.scrollTop),
2587 scrollLeft = Math.max(win.pageXOffset || 0, root.scrollLeft, body.scrollLeft)
2588 // 把滚动距离加到left,top中去。
2589 // 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
2590 // http://msdn.microsoft.com/en-us/library/ms533564(VS.85).aspx
2592 top: box.top + scrollTop - clientTop,
2593 left: box.left + scrollLeft - clientLeft
2597 //==================================val相关============================
2599 function getValType(elem) {
2600 var ret = elem.tagName.toLowerCase()
2601 return ret === "input" && /checkbox|radio/.test(elem.type) ? "checked" : ret
2603 var roption = /^<option(?:\s+\w+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s>]+))?)*\s+value[\s=]/i
2605 "option:get": IEVersion ? function(node) {
2606 //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)
2607 //specified并不可靠,因此通过分析outerHTML判定用户有没有显示定义value
2608 return roption.test(node.outerHTML) ? node.value : node.text.trim()
2609 } : function(node) {
2612 "select:get": function(node, value) {
2613 var option, options = node.options,
2614 index = node.selectedIndex,
2615 getter = valHooks["option:get"],
2616 one = node.type === "select-one" || index < 0,
2617 values = one ? null : [],
2618 max = one ? index + 1 : options.length,
2619 i = index < 0 ? max : one ? index : 0
2620 for (; i < max; i++) {
2622 //旧式IE在reset后不会改变selected,需要改用i === index判定
2623 //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
2624 //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
2625 if ((option.selected || i === index) && !option.disabled) {
2626 value = getter(option)
2630 //收集所有selected值组成数组返回
2636 "select:set": function(node, values, optionSet) {
2637 values = [].concat(values) //强制转换为数组
2638 var getter = valHooks["option:get"]
2639 for (var i = 0, el; el = node.options[i++];) {
2640 if ((el.selected = values.indexOf(getter(el)) > -1)) {
2645 node.selectedIndex = -1
2650 /*********************************************************************
2652 **********************************************************************/
2662 var quote = window.JSON && JSON.stringify || function(str) {
2663 return '"' + str.replace(/[\\\"\x00-\x1f]/g, function(a) {
2665 return typeof c === 'string' ? c :
2666 '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
2671 "break,case,catch,continue,debugger,default,delete,do,else,false",
2672 "finally,for,function,if,in,instanceof,new,null,return,switch,this",
2673 "throw,true,try,typeof,var,void,while,with", /* 关键字*/
2674 "abstract,boolean,byte,char,class,const,double,enum,export,extends",
2675 "final,float,goto,implements,import,int,interface,long,native",
2676 "package,private,protected,public,short,static,super,synchronized",
2677 "throws,transient,volatile", /*保留字*/
2678 "arguments,let,yield,undefined" /* ECMA 5 - use strict*/].join(",")
2679 var rrexpstr = /\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g
2680 var rsplit = /[^\w$]+/g
2681 var rkeywords = new RegExp(["\\b" + keywords.replace(/,/g, '\\b|\\b') + "\\b"].join('|'), 'g')
2682 var rnumber = /\b\d[^,]*/g
2683 var rcomma = /^,+|,+$/g
2684 var variablePool = new Cache(512)
2685 var getVariables = function (code) {
2686 var key = "," + code.trim()
2687 var ret = variablePool.get(key)
2692 .replace(rrexpstr, "")
2693 .replace(rsplit, ",")
2694 .replace(rkeywords, "")
2695 .replace(rnumber, "")
2696 .replace(rcomma, "")
2698 return variablePool.put(key, uniqSet(match))
2702 function addAssign(vars, scope, name, data) {
2704 prefix = " = " + name + "."
2705 for (var i = vars.length, prop; prop = vars[--i]; ) {
2706 if (scope.hasOwnProperty(prop)) {
2707 ret.push(prop + prefix + prop)
2708 data.vars.push(prop)
2709 if (data.type === "duplex") {
2710 vars.get = name + "." + prop
2718 function uniqSet(array) {
2721 for (var i = 0; i < array.length; i++) {
2723 var id = el && typeof el.$id === "string" ? el.$id : el
2725 unique[id] = ret.push(el)
2731 var evaluatorPool = new Cache(128)
2733 var rduplex = /\w\[.*\]|\w\.\w/
2734 var rproxy = /(\$proxy\$[a-z]+)\d+$/
2735 var rthimRightParentheses = /\)\s*$/
2736 var rthimOtherParentheses = /\)\s*\|/g
2737 var rquoteFilterName = /\|\s*([$\w]+)/g
2738 var rpatchBracket = /"\s*\["/g
2739 var rthimLeftParentheses = /"\s*\(/g
2740 function parseFilter(val, filters) {
2742 .replace(rthimRightParentheses, "")//处理最后的小括号
2743 .replace(rthimOtherParentheses, function () {//处理其他小括号
2746 .replace(rquoteFilterName, function (a, b) { //处理|及它后面的过滤器的名字
2747 return "[" + quote(b)
2749 .replace(rpatchBracket, function () {
2752 .replace(rthimLeftParentheses, function () {
2755 return "return avalon.filters.$filter(" + val + ", " + filters + ")"
2758 function parseExpr(code, scopes, data) {
2759 var dataType = data.type
2760 var filters = data.filters || ""
2761 var exprId = scopes.map(function (el) {
2762 return String(el.$id).replace(rproxy, "$1")
2763 }) + code + dataType + filters
2764 var vars = getVariables(code).concat(),
2769 //args 是一个对象数组, names 是将要生成的求值函数的参数
2770 scopes = uniqSet(scopes)
2772 for (var i = 0, sn = scopes.length; i < sn; i++) {
2774 var name = "vm" + expose + "_" + i
2776 args.push(scopes[i])
2777 assigns.push.apply(assigns, addAssign(vars, scopes[i], name, data))
2780 if (!assigns.length && dataType === "duplex") {
2783 if (dataType !== "duplex" && (code.indexOf("||") > -1 || code.indexOf("&&") > -1)) {
2784 //https://github.com/RubyLouvre/avalon/issues/583
2785 data.vars.forEach(function (v) {
2786 var reg = new RegExp("\\b" + v + "(?:\\.\\w+|\\[\\w+\\])+", "ig")
2787 code = code.replace(reg, function (_) {
2788 var c = _.charAt(v.length)
2789 var r = IEVersion ? code.slice(arguments[1] + _.length) : RegExp.rightContext
2790 var method = /^\s*\(/.test(r)
2791 if (c === "." || c === "[" || method) {//比如v为aa,我们只匹配aa.bb,aa[cc],不匹配aaa.xxx
2792 var name = "var" + String(Math.random()).replace(/^0\./, "")
2793 if (method) {//array.size()
2794 var array = _.split(".")
2795 if (array.length > 2) {
2796 var last = array.pop()
2797 assigns.push(name + " = " + array.join("."))
2798 return name + "." + last
2803 assigns.push(name + " = " + _)
2811 //---------------args----------------
2813 //---------------cache----------------
2815 var fn = evaluatorPool.get(exprId) //直接从缓存,免得重复生成
2820 prefix = assigns.join(", ")
2822 prefix = "var " + prefix
2824 if (/\S/.test(filters)) { //文本绑定,双工绑定才有过滤器
2825 if (!/text|html/.test(data.type)) {
2826 throw Error("ms-" + data.type + "不支持过滤器")
2828 code = "\nvar ret" + expose + " = " + code + ";\r\n"
2829 code += parseFilter("ret" + expose, filters)
2830 } else if (dataType === "duplex") { //双工绑定
2831 var _body = "'use strict';\nreturn function(vvv){\n\t" +
2833 ";\n\tif(!arguments.length){\n\t\treturn " +
2835 "\n\t}\n\t" + (!rduplex.test(code) ? vars.get : code) +
2838 fn = Function.apply(noop, names.concat(_body))
2839 data.evaluator = evaluatorPool.put(exprId, fn)
2841 log("debug: parse error," + e.message)
2844 } else if (dataType === "on") { //事件绑定
2845 if (code.indexOf("(") === -1) {
2846 code += ".call(this, $event)"
2848 code = code.replace("(", ".call(this,")
2850 names.push("$event")
2851 code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;")
2852 var lastIndex = code.lastIndexOf("\nreturn")
2853 var header = code.slice(0, lastIndex)
2854 var footer = code.slice(lastIndex)
2855 code = header + "\n" + footer
2857 code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;")
2860 fn = Function.apply(noop, names.concat("'use strict';\n" + prefix + code))
2861 data.evaluator = evaluatorPool.put(exprId, fn)
2863 log("debug: parse error," + e.message)
2865 vars = assigns = names = null //释放内存
2872 function parseExprProxy(code, scopes, data, tokens, noRegister) {
2873 if (Array.isArray(tokens)) {
2874 code = tokens.map(function (el) {
2875 return el.expr ? "(" + el.value + ")" : quote(el.value)
2878 parseExpr(code, scopes, data)
2879 if (data.evaluator && !noRegister) {
2880 data.handler = bindingExecutors[data.handlerName || data.type]
2882 //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
2884 avalon.injectBinding(data)
2887 avalon.parseExprProxy = parseExprProxy
2888 /*********************************************************************
2890 **********************************************************************/
2892 avalon.scan = function(elem, vmodel) {
2894 var vmodels = vmodel ? [].concat(vmodel) : []
2895 scanTag(elem, vmodels)
2898 //http://www.w3.org/TR/html5/syntax.html#void-elements
2899 var stopScan = oneObject("area,base,basefont,br,col,command,embed,hr,img,input,link,meta,param,source,track,wbr,noscript,script,style,textarea".toUpperCase())
2901 function checkScan(elem, callback, innerHTML) {
2902 var id = setTimeout(function() {
2903 var currHTML = elem.innerHTML
2905 if (currHTML === innerHTML) {
2908 checkScan(elem, callback, currHTML)
2914 function createSignalTower(elem, vmodel) {
2915 var id = elem.getAttribute("avalonctrl") || vmodel.$id
2916 elem.setAttribute("avalonctrl", id)
2917 vmodel.$events.expr = elem.tagName + '[avalonctrl="' + id + '"]'
2920 var getBindingCallback = function(elem, name, vmodels) {
2921 var callback = elem.getAttribute(name)
2923 for (var i = 0, vm; vm = vmodels[i++]; ) {
2924 if (vm.hasOwnProperty(callback) && typeof vm[callback] === "function") {
2931 function executeBindings(bindings, vmodels) {
2932 for (var i = 0, data; data = bindings[i++]; ) {
2933 data.vmodels = vmodels
2934 bindingHandlers[data.type](data, vmodels)
2935 if (data.evaluator && data.element && data.element.nodeType === 1) { //移除数据绑定,防止被二次解析
2936 //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
2937 data.element.removeAttribute(data.name)
2943 //https://github.com/RubyLouvre/avalon/issues/636
2944 var mergeTextNodes = IEVersion && window.MutationObserver ? function (elem) {
2945 var node = elem.firstChild, text
2947 var aaa = node.nextSibling
2948 if (node.nodeType === 3) {
2950 text.nodeValue += node.nodeValue
2951 elem.removeChild(node)
2961 var roneTime = /^\s*::/
2962 var rmsAttr = /ms-(\w+)-?(.*)/
2974 var events = oneObject("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit")
2975 var obsoleteAttrs = oneObject("value,title,alt,checked,selected,disabled,readonly,enabled")
2976 function bindingSorter(a, b) {
2977 return a.priority - b.priority
2980 function scanAttr(elem, vmodels, match) {
2982 if (vmodels.length) {
2983 var attributes = getAttributes ? getAttributes(elem) : elem.attributes
2987 for (var i = 0, attr; attr = attributes[i++]; ) {
2988 if (attr.specified) {
2989 if (match = attr.name.match(rmsAttr)) {
2992 var param = match[2] || ""
2993 var value = attr.value
2994 var name = attr.name
2998 } else if (obsoleteAttrs[type]) {
2999 if (type === "enabled") {//吃掉ms-enabled绑定,用ms-disabled代替
3000 log("warning!ms-enabled或ms-attr-enabled已经被废弃")
3002 value = "!(" + value + ")"
3006 name = "ms-" + type + "-"+ param
3007 fixAttrs.push([attr.name, name, value])
3009 msData[name] = value
3010 if (typeof bindingHandlers[type] === "function") {
3011 var newValue = value.replace(roneTime, "")
3012 var oneTime = value !== newValue
3020 uuid: name+"-"+getUid(elem),
3021 //chrome与firefox下Number(param)得到的值不一样 #855
3022 priority: (priorityMap[type] || type.charCodeAt(0) * 10 )+ (Number(param.replace(/\D/g, "")) || 0)
3024 if (type === "html" || type === "text") {
3025 var token = getToken(value)
3026 avalon.mix(binding, token)
3027 binding.filters = binding.filters.replace(rhasHtml, function () {
3028 binding.type = "html"
3031 })// jshint ignore:line
3032 } else if (type === "duplex") {
3033 var hasDuplex = name
3034 } else if (name === "ms-if-loop") {
3035 binding.priority += 100
3037 bindings.push(binding)
3038 if (type === "widget") {
3039 elem.msData = elem.msData || msData
3045 if (bindings.length) {
3046 bindings.sort(bindingSorter)
3047 fixAttrs.forEach(function (arr) {
3048 log("warning!请改用" + arr[1] + "代替" + arr[0] + "!")
3049 elem.removeAttribute(arr[0])
3050 elem.setAttribute(arr[1], arr[2])
3052 //http://bugs.jquery.com/ticket/7071
3053 //在IE下对VML读取type属性,会让此元素所有属性都变成<Failed>
3055 if (msData["ms-attr-checked"]) {
3056 log("warning!一个控件不能同时定义ms-attr-checked与" + hasDuplex)
3058 if (msData["ms-attr-value"]) {
3059 log("warning!一个控件不能同时定义ms-attr-value与" + hasDuplex)
3062 for (i = 0; binding = bindings[i]; i++) {
3064 if (rnoscanAttrBinding.test(type)) {
3065 return executeBindings(bindings.slice(0, i + 1), vmodels)
3066 } else if (scanNode) {
3067 scanNode = !rnoscanNodeBinding.test(type)
3070 executeBindings(bindings, vmodels)
3073 if (scanNode && !stopScan[elem.tagName] && rbind.test(elem.innerHTML.replace(rlt, "<").replace(rgt, ">"))) {
3074 mergeTextNodes && mergeTextNodes(elem)
3075 scanNodeList(elem, vmodels) //扫描子孙元素
3078 var rnoscanAttrBinding = /^if|widget|repeat$/
3079 var rnoscanNodeBinding = /^each|with|html|include$/
3080 //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,
3081 //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
3083 var attrPool = new Cache(512)
3084 var rattrs = /\s+(ms-[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g,
3086 rtag = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/i,
3088 //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
3089 //<body><section>ddd</section></body>
3090 // window.onload = function() {
3091 // var body = document.body
3092 // for (var i = 0, el; el = body.children[i++]; ) {
3093 // avalon.log(el.outerHTML)
3096 //依次输出<SECTION>, </SECTION>
3097 var getAttributes = function (elem) {
3098 var html = elem.outerHTML
3099 //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
3100 if (html.slice(0, 2) === "</" || !html.trim()) {
3103 var str = html.match(rtag)[0]
3104 var attributes = [],
3107 var ret = attrPool.get(str)
3111 while (k = rattrs.exec(str)) {
3114 v = (rquote.test(v) ? v.slice(1, -1) : v).replace(ramp, "&")
3116 var name = k[1].toLowerCase()
3117 match = name.match(rmsAttr)
3123 attributes.push(binding)
3125 return attrPool.put(str, attributes)
3129 function scanNodeList(parent, vmodels) {
3130 var nodes = avalon.slice(parent.childNodes)
3131 scanNodeArray(nodes, vmodels)
3134 function scanNodeArray(nodes, vmodels) {
3135 for (var i = 0, node; node = nodes[i++];) {
3136 switch (node.nodeType) {
3138 scanTag(node, vmodels) //扫描元素节点
3139 if (node.msCallback) {
3141 node.msCallback = void 0
3145 if(rexpr.test(node.nodeValue)){
3146 scanText(node, vmodels, i) //扫描文本节点
3154 function scanTag(elem, vmodels, node) {
3155 //扫描顺序 ms-skip(0) --> ms-important(1) --> ms-controller(2) --> ms-if(10) --> ms-repeat(100)
3156 //--> ms-if-loop(110) --> ms-attr(970) ...--> ms-each(1400)-->ms-with(1500)--〉ms-duplex(2000)垫后
3157 var a = elem.getAttribute("ms-skip")
3158 //#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
3159 if (!elem.getAttributeNode) {
3160 return log("warning " + elem.tagName + " no getAttributeNode method")
3162 var b = elem.getAttributeNode("ms-important")
3163 var c = elem.getAttributeNode("ms-controller")
3164 if (typeof a === "string") {
3166 } else if (node = b || c) {
3167 var newVmodel = avalon.vmodels[node.value]
3171 //ms-important不包含父VM,ms-controller相反
3172 vmodels = node === b ? [newVmodel] : [newVmodel].concat(vmodels)
3173 var name = node.name
3174 elem.removeAttribute(name) //removeAttributeNode不会刷新[ms-controller]样式规则
3175 avalon(elem).removeClass(name)
3176 createSignalTower(elem, newVmodel)
3178 scanAttr(elem, vmodels) //扫描特性节点
3180 var rhasHtml = /\|\s*html(?:\b|$)/,
3184 rstringLiteral = /(['"])(\\\1|.)+?\1/g
3185 function getToken(value) {
3186 if (value.indexOf("|") > 0) {
3187 var scapegoat = value.replace(rstringLiteral, function (_) {
3188 return Array(_.length + 1).join("1")// jshint ignore:line
3190 var index = scapegoat.replace(r11a, "\u1122\u3344").indexOf("|") //干掉所有短路或
3193 filters: value.slice(index),
3194 value: value.slice(0, index),
3206 function scanExpr(str) {
3211 stop = str.indexOf(openTag, start)
3215 value = str.slice(start, stop)
3216 if (value) { // {{ 左边的文本
3223 start = stop + openTag.length
3224 stop = str.indexOf(closeTag, start)
3228 value = str.slice(start, stop)
3229 if (value) { //处理{{ }}插值表达式
3230 tokens.push(getToken(value, start))
3232 start = stop + closeTag.length
3234 value = str.slice(start)
3235 if (value) { //}} 右边的文本
3245 function scanText(textNode, vmodels, index) {
3247 tokens = scanExpr(textNode.data)
3248 if (tokens.length) {
3249 for (var i = 0; token = tokens[i++]; ) {
3250 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
3252 token.value = token.value.replace(roneTime, function () {
3253 token.oneTime = true
3257 token.element = node
3258 token.filters = token.filters.replace(rhasHtml, function (a, b,c) {
3261 })// jshint ignore:line
3262 token.pos = index * 1000 + i
3263 bindings.push(token) //收集带有插值表达式的文本
3265 avalonFragment.appendChild(node)
3267 textNode.parentNode.replaceChild(avalonFragment, textNode)
3268 if (bindings.length)
3269 executeBindings(bindings, vmodels)
3273 var bools = ["autofocus,autoplay,async,allowTransparency,checked,controls",
3274 "declare,disabled,defer,defaultChecked,defaultSelected",
3275 "contentEditable,isMap,loop,multiple,noHref,noResize,noShade",
3276 "open,readOnly,selected"
3279 bools.replace(rword, function(name) {
3280 boolMap[name.toLowerCase()] = name
3283 var propMap = { //属性名映射
3284 "accept-charset": "acceptCharset",
3287 "class": "className",
3289 "http-equiv": "httpEquiv"
3292 var anomaly = ["accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan",
3293 "dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight",
3294 "rowSpan,tabIndex,useMap,vSpace,valueType,vAlign"
3296 anomaly.replace(rword, function(name) {
3297 propMap[name.toLowerCase()] = name
3300 var rnoscripts = /<noscript.*?>(?:[\s\S]+?)<\/noscript>/img
3301 var rnoscriptText = /<noscript.*?>([\s\S]+?)<\/noscript>/im
3303 var getXHR = function() {
3304 return new(window.XMLHttpRequest || ActiveXObject)("Microsoft.XMLHTTP") // jshint ignore:line
3307 var templatePool = avalon.templateCache = {}
3309 bindingHandlers.attr = function(data, vmodels) {
3310 var text = data.value.trim(),
3312 if (text.indexOf(openTag) > -1 && text.indexOf(closeTag) > 2) {
3314 if (rexpr.test(text) && RegExp.rightContext === "" && RegExp.leftContext === "") {
3319 if (data.type === "include") {
3320 var elem = data.element
3321 data.includeRendered = getBindingCallback(elem, "data-include-rendered", vmodels)
3322 data.includeLoaded = getBindingCallback(elem, "data-include-loaded", vmodels)
3323 var outer = data.includeReplace = !! avalon(elem).data("includeReplace")
3324 if (avalon(elem).data("includeCache")) {
3325 data.templateCache = {}
3327 data.startInclude = DOC.createComment("ms-include")
3328 data.endInclude = DOC.createComment("ms-include-end")
3330 data.element = data.startInclude
3331 elem.parentNode.insertBefore(data.startInclude, elem)
3332 elem.parentNode.insertBefore(data.endInclude, elem.nextSibling)
3334 elem.insertBefore(data.startInclude, elem.firstChild)
3335 elem.appendChild(data.endInclude)
3338 data.handlerName = "attr" //handleName用于处理多种绑定共用同一种bindingExecutor的情况
3339 parseExprProxy(text, vmodels, data, (simple ? 0 : scanExpr(data.value)))
3342 bindingExecutors.attr = function(val, elem, data) {
3343 var method = data.type,
3344 attrName = data.param
3345 if (method === "css") {
3346 avalon(elem).css(attrName, val)
3347 } else if (method === "attr") {
3349 // ms-attr-class="xxx" vm.xxx="aaa bbb ccc"将元素的className设置为aaa bbb ccc
3350 // ms-attr-class="xxx" vm.xxx=false 清空元素的所有类名
3351 // ms-attr-name="yyy" vm.yyy="ooo" 为元素设置name属性
3352 var toRemove = (val === false) || (val === null) || (val === void 0)
3354 if (!W3C && propMap[attrName]) { //旧式IE下需要进行名字映射
3355 attrName = propMap[attrName]
3357 var bool = boolMap[attrName]
3358 if (typeof elem[bool] === "boolean") {
3359 elem[bool] = !! val //布尔属性必须使用el.xxx = true|false方式设值
3360 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
3365 return elem.removeAttribute(attrName)
3367 //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
3368 var isInnate = rsvg.test(elem) ? false : (DOC.namespaces && isVML(elem)) ? true : attrName in elem.cloneNode(false)
3370 elem[attrName] = val+""
3372 elem.setAttribute(attrName, val)
3374 } else if (method === "include" && val) {
3375 var vmodels = data.vmodels
3376 var rendered = data.includeRendered
3377 var loaded = data.includeLoaded
3378 var replace = data.includeReplace
3379 var target = replace ? elem.parentNode : elem
3380 var scanTemplate = function(text) {
3382 var newText = loaded.apply(target, [text].concat(vmodels))
3383 if (typeof newText === "string")
3387 checkScan(target, function() {
3388 rendered.call(target)
3391 var lastID = data.includeLastID
3392 if (data.templateCache && lastID && lastID !== val) {
3393 var lastTemplate = data.templateCache[lastID]
3394 if (!lastTemplate) {
3395 lastTemplate = data.templateCache[lastID] = DOC.createElement("div")
3396 ifGroup.appendChild(lastTemplate)
3399 data.includeLastID = val
3401 var node = data.startInclude.nextSibling
3402 if (node && node !== data.endInclude) {
3403 target.removeChild(node)
3405 lastTemplate.appendChild(node)
3410 var dom = getTemplateNodes(data, val, text)
3411 var nodes = avalon.slice(dom.childNodes)
3412 target.insertBefore(dom, data.endInclude)
3413 scanNodeArray(nodes, vmodels)
3416 if (data.param === "src") {
3417 if (typeof templatePool[val] === "string") {
3418 avalon.nextTick(function() {
3419 scanTemplate(templatePool[val])
3421 } else if (Array.isArray(templatePool[val])) { //#805 防止在循环绑定中发出许多相同的请求
3422 templatePool[val].push(scanTemplate)
3425 xhr.onreadystatechange = function() {
3426 if (xhr.readyState === 4) {
3428 if (s >= 200 && s < 300 || s === 304 || s === 1223) {
3429 var text = xhr.responseText
3430 for (var f = 0, fn; fn = templatePool[val][f++];) {
3433 templatePool[val] = text
3437 templatePool[val] = [scanTemplate]
3438 xhr.open("GET", val, true)
3439 if ("withCredentials" in xhr) {
3440 xhr.withCredentials = true
3442 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")
3446 //IE系列与够新的标准浏览器支持通过ID取得元素(firefox14+)
3447 //http://tjvantoll.com/2012/07/19/dom-element-references-as-global-variables/
3448 var el = val && val.nodeType === 1 ? val : DOC.getElementById(val)
3450 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
3451 xhr = getXHR() //IE9-11与chrome的innerHTML会得到转义的内容,它们的innerText可以
3452 xhr.open("GET", location, false) //谢谢Nodejs 乱炖群 深圳-纯属虚构
3454 //http://bbs.csdn.net/topics/390349046?page=1#post-393492653
3455 var noscripts = DOC.getElementsByTagName("noscript")
3456 var array = (xhr.responseText || "").match(rnoscripts) || []
3457 var n = array.length
3458 for (var i = 0; i < n; i++) {
3459 var tag = noscripts[i]
3460 if (tag) { //IE6-8中noscript标签的innerHTML,innerText是只读的
3461 tag.style.display = "none" //http://haslayout.net/css/noscript-Ghost-Bug
3462 tag.fixIE78 = (array[i].match(rnoscriptText) || ["", " "])[1]
3466 avalon.nextTick(function() {
3467 scanTemplate(el.fixIE78 || el.value || el.innerText || el.innerHTML)
3472 if (!root.hasAttribute && typeof val === "string" && (method === "src" || method === "href")) {
3473 val = val.replace(/&/g, "&") //处理IE67自动转义的问题
3476 if (window.chrome && elem.tagName === "EMBED") {
3477 var parent = elem.parentNode //#525 chrome1-37下embed标签动态设置src不能发生请求
3478 var comment = document.createComment("ms-src")
3479 parent.replaceChild(comment, elem)
3480 parent.replaceChild(elem, comment)
3485 function getTemplateNodes(data, id, text) {
3486 var div = data.templateCache && data.templateCache[id]
3488 var dom = DOC.createDocumentFragment(),
3490 while (firstChild = div.firstChild) {
3491 dom.appendChild(firstChild)
3495 return avalon.parseHTML(text)
3498 //这几个指令都可以使用插值表达式,如ms-src="aaa/{{b}}/{{c}}.html"
3499 "title,alt,src,value,css,include,href".replace(rword, function(name) {
3500 bindingHandlers[name] = bindingHandlers.attr
3502 //根据VM的属性值或表达式的值切换类名,ms-class="xxx yyy zzz:flag"
3503 //http://www.cnblogs.com/rubylouvre/archive/2012/12/17/2818540.html
3504 bindingHandlers["class"] = function(data, vmodels) {
3505 var oldStyle = data.param,
3508 data.handlerName = "class"
3509 if (!oldStyle || isFinite(oldStyle)) {
3510 data.param = "" //去掉数字
3511 var noExpr = text.replace(rexprg, function(a) {
3512 return a.replace(/./g, "0")
3513 //return Math.pow(10, a.length - 1) //将插值表达式插入10的N-1次方来占位
3515 var colonIndex = noExpr.indexOf(":") //取得第一个冒号的位置
3516 if (colonIndex === -1) { // 比如 ms-class="aaa bbb ccc" 的情况
3517 var className = text
3518 } else { // 比如 ms-class-1="ui-state-active:checked" 的情况
3519 className = text.slice(0, colonIndex)
3520 rightExpr = text.slice(colonIndex + 1)
3521 parseExpr(rightExpr, vmodels, data) //决定是添加还是删除
3522 if (!data.evaluator) {
3523 log("debug: ms-class '" + (rightExpr || "").trim() + "' 不存在于VM中")
3526 data._evaluator = data.evaluator
3527 data._args = data.args
3530 var hasExpr = rexpr.test(className) //比如ms-class="width{{w}}"的情况
3532 data.immobileClass = className
3534 parseExprProxy("", vmodels, data, (hasExpr ? scanExpr(className) : 0))
3536 data.immobileClass = data.oldStyle = data.param
3537 parseExprProxy(text, vmodels, data)
3541 bindingExecutors["class"] = function(val, elem, data) {
3542 var $elem = avalon(elem),
3544 if (method === "class" && data.oldStyle) { //如果是旧风格
3545 $elem.toggleClass(data.oldStyle, !! val)
3548 data.toggleClass = data._evaluator ? !! data._evaluator.apply(elem, data._args) : true
3549 data.newClass = data.immobileClass || val
3550 if (data.oldClass && data.newClass !== data.oldClass) {
3551 $elem.removeClass(data.oldClass)
3553 data.oldClass = data.newClass
3556 $elem.toggleClass(data.newClass, data.toggleClass)
3560 if (!data.hasBindEvent) { //确保只绑定一次
3561 var activate = "mouseenter" //在移出移入时切换类名
3562 var abandon = "mouseleave"
3563 if (method === "active") { //在聚焦失焦中切换类名
3564 elem.tabIndex = elem.tabIndex || -1
3565 activate = "mousedown"
3567 var fn0 = $elem.bind("mouseleave", function() {
3568 data.toggleClass && $elem.removeClass(data.newClass)
3571 var fn1 = $elem.bind(activate, function() {
3572 data.toggleClass && $elem.addClass(data.newClass)
3574 var fn2 = $elem.bind(abandon, function() {
3575 data.toggleClass && $elem.removeClass(data.newClass)
3577 data.rollback = function() {
3578 $elem.unbind("mouseleave", fn0)
3579 $elem.unbind(activate, fn1)
3580 $elem.unbind(abandon, fn2)
3582 data.hasBindEvent = true
3589 "hover,active".replace(rword, function(method) {
3590 bindingHandlers[method] = bindingHandlers["class"]
3592 //ms-controller绑定已经在scanTag 方法中实现
3593 //ms-css绑定已由ms-attr绑定实现
3596 // bindingHandlers.data 定义在if.js
3597 bindingExecutors.data = function(val, elem, data) {
3598 var key = "data-" + data.param
3599 if (val && typeof val === "object") {
3602 elem.setAttribute(key, String(val))
3606 var duplexBinding = bindingHandlers.duplex = function(data, vmodels) {
3607 var elem = data.element,
3609 parseExprProxy(data.value, vmodels, data, 0, 1)
3611 data.changed = getBindingCallback(elem, "data-duplex-changed", vmodels) || noop
3612 if (data.evaluator && data.args) {
3614 var casting = oneObject("string,number,boolean,checked")
3615 if (elem.type === "radio" && data.param === "") {
3616 data.param = "checked"
3619 elem.msData["ms-duplex"] = data.value
3621 data.param.replace(/\w+/g, function(name) {
3622 if (/^(checkbox|radio)$/.test(elem.type) && /^(radio|checked)$/.test(name)) {
3623 if (name === "radio")
3624 log("ms-duplex-radio已经更名为ms-duplex-checked")
3626 data.isChecked = true
3628 if (name === "bool") {
3630 log("ms-duplex-bool已经更名为ms-duplex-boolean")
3631 } else if (name === "text") {
3633 log("ms-duplex-text已经更名为ms-duplex-string")
3635 if (casting[name]) {
3638 avalon.Array.ensure(params, name)
3641 params.push("string")
3643 data.param = params.join("-")
3644 data.bound = function(type, callback) {
3645 if (elem.addEventListener) {
3646 elem.addEventListener(type, callback, false)
3648 elem.attachEvent("on" + type, callback)
3650 var old = data.rollback
3651 data.rollback = function() {
3652 elem.avalonSetter = null
3653 avalon.unbind(elem, type, callback)
3657 for (var i in avalon.vmodels) {
3658 var v = avalon.vmodels[i]
3659 v.$fire("avalon-ms-duplex-init", data)
3661 var cpipe = data.pipe || (data.pipe = pipe)
3662 cpipe(null, data, "init")
3663 var tagName = elem.tagName
3664 duplexBinding[tagName] && duplexBinding[tagName](elem, data.evaluator.apply(null, data.args), data)
3667 //不存在 bindingExecutors.duplex
3669 function fixNull(val) {
3670 return val == null ? "" : val
3672 avalon.duplexHooks = {
3674 get: function(val, data) {
3675 return !data.element.oldValue
3679 get: function(val) { //同步到VM
3685 get: function(val) {
3686 return val === "true"
3691 get: function(val, data) {
3692 var number = parseFloat(val)
3693 if (-val === -number) {
3696 var arr = /strong|medium|weak/.exec(data.element.getAttribute("data-duplex-number")) || ["medium"]
3701 return val === "" ? "" : 0
3710 function pipe(val, data, action, e) {
3711 data.param.replace(/\w+/g, function(name) {
3712 var hook = avalon.duplexHooks[name]
3713 if (hook && typeof hook[action] === "function") {
3714 val = hook[action](val, data)
3720 var TimerID, ribbon = []
3722 avalon.tick = function(fn) {
3723 if (ribbon.push(fn) === 1) {
3724 TimerID = setInterval(ticker, 60)
3729 for (var n = ribbon.length - 1; n >= 0; n--) {
3731 if (el() === false) {
3735 if (!ribbon.length) {
3736 clearInterval(TimerID)
3740 var watchValueInTimer = noop
3741 var rmsinput = /text|password|hidden/
3742 new function() { // jshint ignore:line
3743 try { //#272 IE9-IE11, firefox
3745 var aproto = HTMLInputElement.prototype
3746 var bproto = HTMLTextAreaElement.prototype
3747 function newSetter(value) { // jshint ignore:line
3748 setters[this.tagName].call(this, value)
3749 if (rmsinput.test(this.type) && !this.msFocus && this.avalonSetter) {
3753 var inputProto = HTMLInputElement.prototype
3754 Object.getOwnPropertyNames(inputProto) //故意引发IE6-8等浏览器报错
3755 setters["INPUT"] = Object.getOwnPropertyDescriptor(aproto, "value").set
3757 Object.defineProperty(aproto, "value", {
3760 setters["TEXTAREA"] = Object.getOwnPropertyDescriptor(bproto, "value").set
3761 Object.defineProperty(bproto, "value", {
3765 //在chrome 43中 ms-duplex终于不需要使用定时器实现双向绑定了
3766 // http://updates.html5rocks.com/2015/04/DOM-attributes-now-on-the-prototype
3767 // https://docs.google.com/document/d/1jwA8mtClwxI-QJuHT7872Z0pxpZz8PBkf2bGAbsUtqs/edit?pli=1
3768 watchValueInTimer = avalon.tick
3770 } // jshint ignore:line
3772 avalon.bind(DOC, "selectionchange", function(e) {
3773 var el = DOC.activeElement
3774 if (el && typeof el.avalonSetter === "function") {
3780 //处理radio, checkbox, text, textarea, password
3781 duplexBinding.INPUT = function(element, evaluator, data) {
3782 var $type = element.type,
3784 $elem = avalon(element),
3787 function callback(value) {
3788 data.changed.call(this, value, data)
3791 function compositionStart() {
3795 function compositionEnd() {
3798 //当value变化时改变model的值
3799 var updateVModel = function() {
3800 if (composing) //处理中文输入法在minlengh下引发的BUG
3802 var val = element.oldValue = element.value //防止递归调用形成死循环
3803 var lastValue = data.pipe(val, data, "get")
3804 if ($elem.data("duplexObserve") !== false) {
3805 evaluator(lastValue)
3806 callback.call(element, lastValue)
3807 if ($elem.data("duplex-focus")) {
3808 avalon.nextTick(function() {
3814 //当model变化时,它就会改变value的值
3815 data.handler = function() {
3816 var val = data.pipe(evaluator(), data, "set") + "" //fix #673
3817 if (val !== element.oldValue) {
3821 if (data.isChecked || $type === "radio") {
3822 var IE6 = IEVersion === 6
3823 updateVModel = function() {
3824 if ($elem.data("duplexObserve") !== false) {
3825 var lastValue = data.pipe(element.value, data, "get")
3826 evaluator(lastValue)
3827 callback.call(element, lastValue)
3830 data.handler = function() {
3831 var val = evaluator()
3832 var checked = data.isChecked ? !! val : val + "" === element.value
3833 element.oldValue = checked
3835 setTimeout(function() {
3836 //IE8 checkbox, radio是使用defaultChecked控制选中状态,
3837 //并且要先设置defaultChecked后设置checked
3839 element.defaultChecked = checked
3840 element.checked = checked
3843 element.checked = checked
3846 bound("click", updateVModel)
3847 } else if ($type === "checkbox") {
3848 updateVModel = function() {
3849 if ($elem.data("duplexObserve") !== false) {
3850 var method = element.checked ? "ensure" : "remove"
3851 var array = evaluator()
3852 if (!Array.isArray(array)) {
3853 log("ms-duplex应用于checkbox上要对应一个数组")
3856 var val = data.pipe(element.value, data, "get")
3857 avalon.Array[method](array, val)
3858 callback.call(element, array)
3862 data.handler = function() {
3863 var array = [].concat(evaluator()) //强制转换为数组
3864 var val = data.pipe(element.value, data, "get")
3865 element.checked = array.indexOf(val) > -1
3867 bound(W3C ? "change" : "click", updateVModel)
3869 var events = element.getAttribute("data-duplex-event") || "input"
3870 if (element.attributes["data-event"]) {
3871 log("data-event指令已经废弃,请改用data-duplex-event")
3874 function delay(e) { // jshint ignore:line
3875 setTimeout(function() {
3879 events.replace(rword, function(name) {
3882 if (!IEVersion) { // W3C
3883 bound("input", updateVModel)
3885 bound("compositionstart", compositionStart)
3886 bound("compositionend", compositionEnd)
3887 bound("DOMAutoComplete", updateVModel)
3888 } else { //onpropertychange事件无法区分是程序触发还是用户触发
3889 // 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
3890 if (IEVersion > 8) {
3891 bound("input", updateVModel) //IE9使用propertychange无法监听中文输入改动
3893 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
3894 if (e.propertyName === "value") {
3899 bound("dragend", delay)
3900 //http://www.cnblogs.com/rubylouvre/archive/2013/02/17/2914604.html
3901 //http://www.matts411.com/post/internet-explorer-9-oninput/
3905 bound(name, updateVModel)
3909 bound("focus", function() {
3910 element.msFocus = true
3912 bound("blur", function() {
3913 element.msFocus = false
3916 if (rmsinput.test($type)) {
3917 watchValueInTimer(function() {
3918 if (root.contains(element)) {
3919 if (!element.msFocus && element.oldValue !== element.value) {
3922 } else if (!element.msRetain) {
3928 element.avalonSetter = updateVModel //#765
3931 element.oldValue = element.value
3932 avalon.injectBinding(data)
3933 callback.call(element, element.value)
3935 duplexBinding.TEXTAREA = duplexBinding.INPUT
3936 duplexBinding.SELECT = function(element, evaluator, data) {
3937 var $elem = avalon(element)
3939 function updateVModel() {
3940 if ($elem.data("duplexObserve") !== false) {
3941 var val = $elem.val() //字符串或字符串数组
3942 if (Array.isArray(val)) {
3943 val = val.map(function(v) {
3944 return data.pipe(v, data, "get")
3947 val = data.pipe(val, data, "get")
3949 if (val + "" !== element.oldValue) {
3952 data.changed.call(element, val, data)
3955 data.handler = function() {
3956 var val = evaluator()
3957 val = val && val.$model || val
3958 if (Array.isArray(val)) {
3959 if (!element.multiple) {
3960 log("ms-duplex在<select multiple=true>上要求对应一个数组")
3963 if (element.multiple) {
3964 log("ms-duplex在<select multiple=false>不能对应一个数组")
3968 val = Array.isArray(val) ? val.map(String) : val + ""
3969 if (val + "" !== element.oldValue) {
3971 element.oldValue = val + ""
3974 data.bound("change", updateVModel)
3975 element.msCallback = function() {
3976 avalon.injectBinding(data)
3977 data.changed.call(element, evaluator(), data)
3980 // bindingHandlers.html 定义在if.js
3981 bindingExecutors.html = function (val, elem, data) {
3982 var isHtmlFilter = elem.nodeType !== 1
3983 var parent = isHtmlFilter ? elem.parentNode : elem
3986 val = val == null ? "" : val
3987 if (data.oldText !== val) {
3992 if (elem.nodeType === 3) {
3993 var signature = generateID("html")
3994 parent.insertBefore(DOC.createComment(signature), elem)
3995 data.element = DOC.createComment(signature + ":end")
3996 parent.replaceChild(data.element, elem)
3999 if (typeof val !== "object") {//string, number, boolean
4000 var fragment = avalon.parseHTML(String(val))
4001 } else if (val.nodeType === 11) { //将val转换为文档碎片
4003 } else if (val.nodeType === 1 || val.item) {
4004 var nodes = val.nodeType === 1 ? val.childNodes : val.item
4005 fragment = avalonFragment.cloneNode(true)
4007 fragment.appendChild(nodes[0])
4011 nodes = avalon.slice(fragment.childNodes)
4012 //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
4014 var endValue = elem.nodeValue.slice(0, -4)
4016 var node = elem.previousSibling
4017 if (!node || node.nodeType === 8 && node.nodeValue === endValue) {
4020 parent.removeChild(node)
4023 parent.insertBefore(fragment, elem)
4025 avalon.clearHTML(elem).appendChild(fragment)
4027 scanNodeArray(nodes, data.vmodels)
4029 bindingHandlers["if"] =
4030 bindingHandlers.data =
4031 bindingHandlers.text =
4032 bindingHandlers.html =
4033 function(data, vmodels) {
4034 parseExprProxy(data.value, vmodels, data)
4037 bindingExecutors["if"] = function(val, elem, data) {
4039 if(!elem.parentNode) return
4042 if (elem.nodeType === 8) {
4043 elem.parentNode.replaceChild(data.template, elem)
4044 // animate.enter(data.template, elem.parentNode)
4045 elem = data.element = data.template //这时可能为null
4047 if (elem.getAttribute(data.name)) {
4048 elem.removeAttribute(data.name)
4049 scanAttr(elem, data.vmodels)
4051 data.rollback = null
4052 } else { //移出DOM树,并用注释节点占据原位置
4053 if (elem.nodeType === 1) {
4054 var node = data.element = DOC.createComment("ms-if")
4055 elem.parentNode.replaceChild(node, elem)
4056 // animate.leave(elem, node.parentNode, node)
4057 data.template = elem //元素节点
4058 ifGroup.appendChild(elem)
4059 data.rollback = function() {
4060 if (elem.parentNode === ifGroup) {
4061 ifGroup.removeChild(elem)
4067 //ms-important绑定已经在scanTag 方法中实现
4068 //ms-include绑定已由ms-attr绑定实现
4070 var rdash = /\(([^)]*)\)/
4071 bindingHandlers.on = function(data, vmodels) {
4072 var value = data.value
4074 var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
4075 if (typeof bindingHandlers.on[eventType + "Hook"] === "function") {
4076 bindingHandlers.on[eventType + "Hook"](data)
4078 if (value.indexOf("(") > 0 && value.indexOf(")") > -1) {
4079 var matched = (value.match(rdash) || ["", ""])[1].trim()
4080 if (matched === "" || matched === "$event") { // aaa() aaa($event)当成aaa处理
4081 value = value.replace(rdash, "")
4084 parseExprProxy(value, vmodels, data)
4087 bindingExecutors.on = function(callback, elem, data) {
4088 callback = function(e) {
4089 var fn = data.evaluator || noop
4090 return fn.apply(this, data.args.concat(e))
4092 var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
4093 if (eventType === "scan") {
4094 callback.call(elem, {
4097 } else if (typeof data.specialBind === "function") {
4098 data.specialBind(elem, callback)
4100 var removeFn = avalon.bind(elem, eventType, callback)
4102 data.rollback = function() {
4103 if (typeof data.specialUnbind === "function") {
4104 data.specialUnbind()
4106 avalon.unbind(elem, eventType, removeFn)
4110 bindingHandlers.repeat = function (data, vmodels) {
4111 var type = data.type
4112 parseExprProxy(data.value, vmodels, data, 0, 1)
4116 var $repeat = data.$repeat = data.evaluator.apply(0, data.args || [])
4117 var xtype = avalon.type($repeat)
4118 if (xtype !== "object" && xtype !== "array") {
4120 avalon.log("warning:" + data.value + "只能是对象或数组")
4125 var arr = data.value.split(".") || []
4126 if (arr.length > 1) {
4129 for (var i = 0, v; v = vmodels[i++]; ) {
4130 if (v && v.hasOwnProperty(n)) {
4131 var events = v[n].$events || {}
4132 events[subscribers] = events[subscribers] || []
4133 events[subscribers].push(data)
4139 var elem = data.element
4140 if (elem.nodeType === 1) {
4141 elem.removeAttribute(data.name)
4142 data.sortedCallback = getBindingCallback(elem, "data-with-sorted", vmodels)
4143 data.renderedCallback = getBindingCallback(elem, "data-" + type + "-rendered", vmodels)
4144 var signature = generateID(type)
4145 var start = DOC.createComment(signature)
4146 var end = DOC.createComment(signature + ":end")
4147 data.signature = signature
4148 data.template = avalonFragment.cloneNode(false)
4149 if (type === "repeat") {
4150 var parent = elem.parentNode
4151 parent.replaceChild(end, elem)
4152 parent.insertBefore(start, end)
4153 data.template.appendChild(elem)
4155 while (elem.firstChild) {
4156 data.template.appendChild(elem.firstChild)
4158 elem.appendChild(start)
4159 elem.appendChild(end)
4162 data.handler = bindingExecutors.repeat
4163 data.rollback = function () {
4164 var elem = data.element
4167 data.handler("clear")
4178 if (Array.isArray($repeat)) {
4183 for (i = 0; v = vmodels[i++]; ) {
4184 if (v.hasOwnProperty(check0) && v.hasOwnProperty(check1)) {
4189 var $events = $repeat.$events
4190 var $list = ($events || {})[subscribers]
4191 injectDependency($list, data)
4192 if (xtype === "object") {
4194 $repeat.$proxy || ($repeat.$proxy = {})
4195 data.handler("append", $repeat)
4196 } else if ($repeat.length) {
4197 data.handler("add", 0, $repeat.length)
4201 bindingExecutors.repeat = function (method, pos, el) {
4202 if (!method && this.$with) {
4207 var data = this, start, fragment
4208 var end = data.element
4209 var comments = getComments(data)
4210 var parent = end.parentNode
4211 var proxies = data.proxies
4212 var transation = avalonFragment.cloneNode(false)
4214 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)
4217 for (var i = pos; i < n; i++) {
4218 var proxy = eachProxyAgent(i, data)
4219 proxies.splice(i, 0, proxy)
4220 shimController(data, transation, proxy, fragments)
4222 var now = new Date() - 0
4223 avalon.optimize = avalon.optimize || now
4224 for (i = 0; fragment = fragments[i++]; ) {
4225 scanNodeArray(fragment.nodes, fragment.vmodels)
4226 fragment.nodes = fragment.vmodels = null
4228 if (avalon.optimize === now) {
4229 avalon.optimize = null
4231 parent.insertBefore(transation, comments[pos] || end)
4232 avalon.profile("插入操作花费了 " + (new Date - now))
4234 case "del": //将pos后的el个元素删掉(pos, el都是数字)
4235 sweepNodes(comments[pos], comments[pos + el] || end)
4236 var removed = proxies.splice(pos, el)
4237 recycleProxies(removed, "each")
4242 sweepNodes(start, end)
4244 parent.insertBefore(start, end)
4247 recycleProxies(proxies, "each")
4252 var signature = start.nodeValue
4256 sweepNodes(start, end, function () {
4258 if (this.nodeValue === signature) {
4263 sortByIndex(rooms, pos)
4264 sortByIndex(proxies, pos)
4265 while (room = rooms.shift()) {
4266 while (node = room.shift()) {
4267 transation.appendChild(node)
4270 parent.insertBefore(transation, end)
4273 case "index": //将proxies中的第pos个起的所有元素重新索引
4274 var last = proxies.length - 1
4275 for (; el = proxies[pos]; pos++) {
4277 el.$first = pos === 0
4278 el.$last = pos === last
4281 case "set": //将proxies中的第pos个元素的VM设置为el(pos为数字,el任意)
4282 proxy = proxies[pos]
4284 fireDependencies(proxy.$events[data.param || "el"])
4288 var object = data.$repeat //原来第2参数, 被循环对象
4289 var oldProxy = object.$proxy //代理对象组成的hash
4291 now = new Date() - 0
4292 avalon.optimize = avalon.optimize || now
4293 if (flag === "update") {
4294 if (!data.evaluator) {
4295 parseExprProxy(data.value, data.vmodels, data, 0, 1)
4297 object = data.$repeat = data.evaluator.apply(0, data.args || [])
4298 object.$proxy = oldProxy
4300 var pool = object.$proxy || {}
4302 var nodes = data.element.parentNode.childNodes
4304 for (i = 0; node = nodes[i++]; ) {
4305 if (node.nodeValue === data.signature) {
4307 } else if (node.nodeValue === data.signature + ":end") {
4315 var indexNode = [], item
4316 var keyIndex = data.keyIndex || (data.keyIndex = {})
4318 for ( i = 0; i < removed.length; i++) {
4320 if (el.nodeValue === data.signature) {
4321 item = avalonFragment.cloneNode(false)
4322 indexNode.push(item)
4324 item.appendChild(el)
4328 for (var key in object) { //当前对象的所有键名
4329 if (object.hasOwnProperty(key) && key !== "hasOwnProperty" && key !== "$proxy") {
4334 for (var i = 0; key = keys[i++]; ) {
4335 if (!pool.hasOwnProperty(key)) {//添加缺失的代理VM
4336 pool[key] = withProxyAgent(pool[key], key, data)
4338 pool[key].$val = object[key]
4342 for ( key in pool) {
4343 if (keys.indexOf(key) === -1) {//删除没用的代理VM
4344 proxyRecycler(pool[key], withProxyPool) //去掉之前的代理VM
4349 var renderKeys = keys //需要渲染到DOM树去的键名
4350 var end = data.element
4351 if (data.sortedCallback) { //如果有回调,则让它们排序
4352 var keys2 = data.sortedCallback.call(parent, keys)
4353 if (keys2 && Array.isArray(keys2)) {
4358 for (i = 0; i < renderKeys.length; i++) {
4360 if (typeof keyIndex[key] === "number") {
4361 transation.appendChild(indexNode[keyIndex[key]])
4364 shimController(data, transation, pool[key], fragments)
4368 for (i = 0; i < renderKeys.length; i++) {
4369 keyIndex[renderKeys[i]] = i
4372 for (i = 0; fragment = fragments[i++]; ) {
4373 if (fragment.nodes) {
4374 scanNodeArray(fragment.nodes, fragment.vmodels)
4375 fragment.nodes = fragment.vmodels = null
4378 if (avalon.optimize === now) {
4379 avalon.optimize = null
4381 parent.insertBefore(transation, end)
4382 avalon.profile("插入操作花费了 " + (new Date - now))
4385 if (!data.$repeat || data.$repeat.hasOwnProperty("$lock")) //IE6-8 VBScript对象会报错, 有时候data.$repeat不存在
4387 if (method === "clear")
4389 var callback = data.renderedCallback || noop,
4391 if (parent.oldValue && parent.tagName === "SELECT") { //fix #503
4392 avalon(parent).val(parent.oldValue.split(","))
4394 callback.apply(parent, args)
4397 "with,each".replace(rword, function (name) {
4398 bindingHandlers[name] = bindingHandlers.repeat
4401 function shimController(data, transation, proxy, fragments) {
4402 var content = data.template.cloneNode(true)
4403 var nodes = avalon.slice(content.childNodes)
4404 content.insertBefore(DOC.createComment(data.signature), content.firstChild)
4405 transation.appendChild(content)
4406 var nv = [proxy].concat(data.vmodels)
4411 fragments.push(fragment)
4414 function getComments(data) {
4416 var nodes = data.element.parentNode.childNodes
4417 for(var i= 0, node; node = nodes[i++];){
4418 if(node.nodeValue === data.signature){
4420 }else if(node.nodeValue === data.signature+":end"){
4428 //移除掉start与end之间的节点(保留end)
4429 function sweepNodes(start, end, callback) {
4431 var node = end.previousSibling
4434 node.parentNode.removeChild(node)
4435 callback && callback.call(node)
4436 if (node === start) {
4442 // 为ms-each,ms-with, ms-repeat会创建一个代理VM,
4443 // 通过它们保持一个下上文,让用户能调用$index,$first,$last,$remove,$key,$val,$outer等属性与方法
4444 // 所有代理VM的产生,消费,收集,存放通过xxxProxyFactory,xxxProxyAgent, recycleProxies,xxxProxyPool实现
4445 var withProxyPool = []
4446 function withProxyFactory() {
4447 var proxy = modelFactory({
4453 return this.$host[this.$key]
4455 set: function (val) {
4456 this.$host[this.$key] = val
4462 proxy.$id = generateID("$proxy$with")
4466 function withProxyAgent(proxy, key, data) {
4467 proxy = proxy || withProxyPool.pop()
4469 proxy = withProxyFactory()
4471 proxy.$reinitialize()
4473 var host = data.$repeat
4476 proxy.$outer = data.$outer
4478 proxy.$events.$val = host.$events[key]
4486 function recycleProxies(proxies) {
4487 eachProxyRecycler(proxies)
4489 function eachProxyRecycler(proxies) {
4490 proxies.forEach(function (proxy) {
4491 proxyRecycler(proxy, eachProxyPool)
4497 var eachProxyPool = []
4498 function eachProxyFactory(name) {
4505 $remove: avalon.noop
4509 var e = this.$events
4510 var array = e.$index
4511 e.$index = e[name] //#817 通过$index为el收集依赖
4513 return this.$host[this.$index]
4518 set: function (val) {
4520 var e = this.$events
4521 var array = e.$index
4523 this.$host.set(this.$index, val)
4534 var proxy = modelFactory(source, second)
4535 proxy.$id = generateID("$proxy$each")
4539 function eachProxyAgent(index, data) {
4540 var param = data.param || "el",
4542 for (var i = 0, n = eachProxyPool.length; i < n; i++) {
4543 var candidate = eachProxyPool[i]
4544 if (candidate && candidate.hasOwnProperty(param)) {
4546 eachProxyPool.splice(i, 1)
4550 proxy = eachProxyFactory(param)
4552 var host = data.$repeat
4553 var last = host.length - 1
4554 proxy.$index = index
4555 proxy.$first = index === 0
4556 proxy.$last = index === last
4558 proxy.$outer = data.$outer
4559 proxy.$remove = function () {
4560 return host.removeAt(proxy.$index)
4566 function proxyRecycler(proxy, proxyPool) {
4567 for (var i in proxy.$events) {
4568 if (Array.isArray(proxy.$events[i])) {
4569 proxy.$events[i].forEach(function (data) {
4570 if (typeof data === "object")
4572 })// jshint ignore:line
4573 proxy.$events[i].length = 0
4576 proxy.$host = proxy.$outer = {}
4577 if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) {
4581 /*********************************************************************
4583 **********************************************************************/
4584 //ms-skip绑定已经在scanTag 方法中实现
4585 // bindingHandlers.text 定义在if.js
4586 bindingExecutors.text = function(val, elem) {
4587 val = val == null ? "" : val //不在页面上显示undefined null
4588 if (elem.nodeType === 3) { //绑定在文本节点上
4589 try { //IE对游离于DOM树外的节点赋值会报错
4593 if ("textContent" in elem) {
4594 elem.textContent = val
4596 elem.innerText = val
4600 function parseDisplay(nodeName, val) {
4601 //用于取得此类标签的默认display值
4602 var key = "_" + nodeName
4603 if (!parseDisplay[key]) {
4604 var node = DOC.createElement(nodeName)
4605 root.appendChild(node)
4607 val = getComputedStyle(node, null).display
4609 val = node.currentStyle.display
4611 root.removeChild(node)
4612 parseDisplay[key] = val
4614 return parseDisplay[key]
4617 avalon.parseDisplay = parseDisplay
4619 bindingHandlers.visible = function(data, vmodels) {
4620 var elem = data.element
4621 var display = elem.style.display
4622 if(display === "none"){
4623 display = parseDisplay(elem.nodeName)
4625 data.display = display
4626 parseExprProxy(data.value, vmodels, data)
4629 bindingExecutors.visible = function(val, elem, data) {
4630 elem.style.display = val ? data.display : "none"
4632 bindingHandlers.widget = function(data, vmodels) {
4633 var args = data.value.match(rword)
4634 var elem = data.element
4635 var widget = args[0]
4637 if (!id || id === "$") { //没有定义或为$时,取组件名+随机数
4638 id = generateID(widget)
4640 var optName = args[2] || widget //没有定义,取组件名
4641 var constructor = avalon.ui[widget]
4642 if (typeof constructor === "function") { //ms-widget="tabs,tabsAAA,optname"
4643 vmodels = elem.vmodels || vmodels
4644 for (var i = 0, v; v = vmodels[i++];) {
4645 if (v.hasOwnProperty(optName) && typeof v[optName] === "object") {
4646 var vmOptions = v[optName]
4647 vmOptions = vmOptions.$model || vmOptions
4652 var wid = vmOptions[widget + "Id"]
4653 if (typeof wid === "string") {
4654 log("warning!不再支持" + widget + "Id")
4658 //抽取data-tooltip-text、data-tooltip-attr属性,组成一个配置对象
4659 var widgetData = avalon.getWidgetData(elem, widget)
4660 data.value = [widget, id, optName].join(",")
4661 data[widget + "Id"] = id
4662 data.evaluator = noop
4663 elem.msData["ms-widget-id"] = id
4664 var options = data[widget + "Options"] = avalon.mix({}, constructor.defaults, vmOptions || {}, widgetData)
4665 elem.removeAttribute("ms-widget")
4666 var vmodel = constructor(elem, data, vmodels) || {} //防止组件不返回VM
4668 avalon.vmodels[id] = vmodel
4669 createSignalTower(elem, vmodel)
4671 vmodel.$init(function() {
4672 avalon.scan(elem, [vmodel].concat(vmodels))
4673 if (typeof options.onInit === "function") {
4674 options.onInit.call(elem, vmodel, options, vmodels)
4678 data.rollback = function() {
4680 vmodel.widgetElement = null
4684 delete avalon.vmodels[vmodel.$id]
4686 injectDisposeQueue(data, widgetList)
4687 if (window.chrome) {
4688 elem.addEventListener("DOMNodeRemovedFromDocument", function() {
4689 setTimeout(rejectDisposeQueue)
4693 avalon.scan(elem, vmodels)
4695 } else if (vmodels.length) { //如果该组件还没有加载,那么保存当前的vmodels
4696 elem.vmodels = vmodels
4700 //不存在 bindingExecutors.widget
4701 /*********************************************************************
4703 **********************************************************************/
4704 var rscripts = /<script[^>]*>([\S\s]*?)<\/script\s*>/gim
4705 var ron = /\s+(on[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g
4706 var ropen = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/ig
4708 a: /\b(href)\=("javascript[^"]*"|'javascript[^']*')/ig,
4709 img: /\b(src)\=("javascript[^"]*"|'javascript[^']*')/ig,
4710 form: /\b(action)\=("javascript[^"]*"|'javascript[^']*')/ig
4712 var rsurrogate = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g
4713 var rnoalphanumeric = /([^\#-~| |!])/g;
4715 function numberFormat(number, decimals, point, thousands) {
4716 //form http://phpjs.org/functions/number_format/
4718 //decimals 可选,规定多少个小数位。
4719 //point 可选,规定用作小数点的字符串(默认为 . )。
4720 //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。
4721 number = (number + '')
4722 .replace(/[^0-9+\-Ee.]/g, '')
4723 var n = !isFinite(+number) ? 0 : +number,
4724 prec = !isFinite(+decimals) ? 3 : Math.abs(decimals),
4725 sep = thousands || ",",
4728 toFixedFix = function(n, prec) {
4729 var k = Math.pow(10, prec)
4730 return '' + (Math.round(n * k) / k)
4733 // Fix for IE parseFloat(0.55).toFixed(0) = 0;
4734 s = (prec ? toFixedFix(n, prec) : '' + Math.round(n))
4736 if (s[0].length > 3) {
4737 s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
4742 s[1] += new Array(prec - s[1].length + 1)
4749 var filters = avalon.filters = {
4750 uppercase: function(str) {
4751 return str.toUpperCase()
4753 lowercase: function(str) {
4754 return str.toLowerCase()
4756 truncate: function(str, length, truncation) {
4757 //length,新字符串长度,truncation,新字符串的结尾的字段,返回新字符串
4758 length = length || 30
4759 truncation = typeof truncation === "string" ? truncation : "..."
4760 return str.length > length ? str.slice(0, length - truncation.length) + truncation : String(str)
4762 $filter: function(val) {
4763 for (var i = 1, n = arguments.length; i < n; i++) {
4764 var array = arguments[i]
4765 var fn = avalon.filters[array.shift()]
4766 if (typeof fn === "function") {
4767 var arr = [val].concat(array)
4768 val = fn.apply(null, arr)
4774 //https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
4775 // <a href="javasc
ript:alert('XSS')">chrome</a>
4776 // <a href="data:text/html;base64, PGltZyBzcmM9eCBvbmVycm9yPWFsZXJ0KDEpPg==">chrome</a>
4777 // <a href="jav ascript:alert('XSS');">IE67chrome</a>
4778 // <a href="jav	ascript:alert('XSS');">IE67chrome</a>
4779 // <a href="jav
ascript:alert('XSS');">IE67chrome</a>
4780 sanitize: function(str) {
4781 return str.replace(rscripts, "").replace(ropen, function(a, b) {
4782 var match = a.toLowerCase().match(/<(\w+)\s/)
4783 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
4784 var reg = rsanitize[match[1]]
4786 a = a.replace(reg, function(s, name, value) {
4787 var quote = value.charAt(0)
4788 return name + "=" + quote + "javascript:void(0)" + quote// jshint ignore:line
4792 return a.replace(ron, " ").replace(/\s+/g, " ") //移除onXXX事件
4795 escape: function(str) {
4796 //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 <
4798 replace(/&/g, '&').
4799 replace(rsurrogate, function(value) {
4800 var hi = value.charCodeAt(0)
4801 var low = value.charCodeAt(1)
4802 return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';'
4804 replace(rnoalphanumeric, function(value) {
4805 return '&#' + value.charCodeAt(0) + ';'
4807 replace(/</g, '<').
4808 replace(/>/g, '>')
4810 currency: function(amount, symbol, fractionSize) {
4811 return (symbol || "\uFFE5") + numberFormat(amount, isFinite(fractionSize) ? fractionSize : 2)
4813 number: numberFormat
4816 'yyyy': 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010)
4817 'yy': 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)
4818 'y': 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199)
4819 'MMMM': Month in year (January-December)
4820 'MMM': Month in year (Jan-Dec)
4821 'MM': Month in year, padded (01-12)
4822 'M': Month in year (1-12)
4823 'dd': Day in month, padded (01-31)
4824 'd': Day in month (1-31)
4825 'EEEE': Day in Week,(Sunday-Saturday)
4826 'EEE': Day in Week, (Sun-Sat)
4827 'HH': Hour in day, padded (00-23)
4828 'H': Hour in day (0-23)
4829 'hh': Hour in am/pm, padded (01-12)
4830 'h': Hour in am/pm, (1-12)
4831 'mm': Minute in hour, padded (00-59)
4832 'm': Minute in hour (0-59)
4833 'ss': Second in minute, padded (00-59)
4834 's': Second in minute (0-59)
4836 'Z': 4 digit (+sign) representation of the timezone offset (-1200-+1200)
4837 format string can also be one of the following predefined localizable formats:
4839 'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale (e.g. Sep 3, 2010 12:05:08 pm)
4840 'short': equivalent to 'M/d/yy h:mm a' for en_US locale (e.g. 9/3/10 12:05 pm)
4841 'fullDate': equivalent to 'EEEE, MMMM d,y' for en_US locale (e.g. Friday, September 3, 2010)
4842 'longDate': equivalent to 'MMMM d, y' for en_US locale (e.g. September 3, 2010
4843 'mediumDate': equivalent to 'MMM d, y' for en_US locale (e.g. Sep 3, 2010)
4844 'shortDate': equivalent to 'M/d/yy' for en_US locale (e.g. 9/3/10)
4845 'mediumTime': equivalent to 'h:mm:ss a' for en_US locale (e.g. 12:05:08 pm)
4846 'shortTime': equivalent to 'h:mm a' for en_US locale (e.g. 12:05 pm)
4848 new function() {// jshint ignore:line
4849 function toInt(str) {
4850 return parseInt(str, 10) || 0
4853 function padNumber(num, digits, trim) {
4860 while (num.length < digits)
4863 num = num.substr(num.length - digits)
4867 function dateGetter(name, size, offset, trim) {
4868 return function(date) {
4869 var value = date["get" + name]()
4870 if (offset > 0 || value > -offset)
4872 if (value === 0 && offset === -12) {
4875 return padNumber(value, size, trim)
4879 function dateStrGetter(name, shortForm) {
4880 return function(date, formats) {
4881 var value = date["get" + name]()
4882 var get = (shortForm ? ("SHORT" + name) : name).toUpperCase()
4883 return formats[get][value]
4887 function timeZoneGetter(date) {
4888 var zone = -1 * date.getTimezoneOffset()
4889 var paddedZone = (zone >= 0) ? "+" : ""
4890 paddedZone += padNumber(Math[zone > 0 ? "floor" : "ceil"](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2)
4895 function ampmGetter(date, formats) {
4896 return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1]
4898 var DATE_FORMATS = {
4899 yyyy: dateGetter("FullYear", 4),
4900 yy: dateGetter("FullYear", 2, 0, true),
4901 y: dateGetter("FullYear", 1),
4902 MMMM: dateStrGetter("Month"),
4903 MMM: dateStrGetter("Month", true),
4904 MM: dateGetter("Month", 2, 1),
4905 M: dateGetter("Month", 1, 1),
4906 dd: dateGetter("Date", 2),
4907 d: dateGetter("Date", 1),
4908 HH: dateGetter("Hours", 2),
4909 H: dateGetter("Hours", 1),
4910 hh: dateGetter("Hours", 2, -12),
4911 h: dateGetter("Hours", 1, -12),
4912 mm: dateGetter("Minutes", 2),
4913 m: dateGetter("Minutes", 1),
4914 ss: dateGetter("Seconds", 2),
4915 s: dateGetter("Seconds", 1),
4916 sss: dateGetter("Milliseconds", 3),
4917 EEEE: dateStrGetter("Day"),
4918 EEE: dateStrGetter("Day", true),
4922 var rdateFormat = /((?:[^yMdHhmsaZE']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z))(.*)/
4923 var raspnetjson = /^\/Date\((\d+)\)\/$/
4924 filters.date = function(date, format) {
4925 var locate = filters.date.locate,
4929 format = format || "mediumDate"
4930 format = locate[format] || format
4931 if (typeof date === "string") {
4932 if (/^\d+$/.test(date)) {
4934 } else if (raspnetjson.test(date)) {
4937 var trimDate = date.trim()
4938 var dateArray = [0, 0, 0, 0, 0, 0, 0]
4939 var oDate = new Date(0)
4941 trimDate = trimDate.replace(/^(\d+)\D(\d+)\D(\d+)/, function(_, a, b, c) {
4942 var array = c.length === 4 ? [c, a, b] : [a, b, c]
4943 dateArray[0] = toInt(array[0]) //年
4944 dateArray[1] = toInt(array[1]) - 1 //月
4945 dateArray[2] = toInt(array[2]) //日
4948 var dateSetter = oDate.setFullYear
4949 var timeSetter = oDate.setHours
4950 trimDate = trimDate.replace(/[T\s](\d+):(\d+):?(\d+)?\.?(\d)?/, function(_, a, b, c, d) {
4951 dateArray[3] = toInt(a) //小时
4952 dateArray[4] = toInt(b) //分钟
4953 dateArray[5] = toInt(c) //秒
4955 dateArray[6] = Math.round(parseFloat("0." + d) * 1000)
4961 trimDate = trimDate.replace(/Z|([+-])(\d\d):?(\d\d)/, function(z, symbol, c, d) {
4962 dateSetter = oDate.setUTCFullYear
4963 timeSetter = oDate.setUTCHours
4965 tzHour = toInt(symbol + c)
4966 tzMin = toInt(symbol + d)
4971 dateArray[3] -= tzHour
4972 dateArray[4] -= tzMin
4973 dateSetter.apply(oDate, dateArray.slice(0, 3))
4974 timeSetter.apply(oDate, dateArray.slice(3))
4978 if (typeof date === "number") {
4979 date = new Date(date)
4981 if (avalon.type(date) !== "date") {
4985 match = rdateFormat.exec(format)
4987 parts = parts.concat(match.slice(1))
4988 format = parts.pop()
4994 parts.forEach(function(value) {
4995 fn = DATE_FORMATS[value]
4996 text += fn ? fn(date, locate) : value.replace(/(^'|'$)/g, "").replace(/''/g, "'")
5037 fullDate: "y年M月d日EEEE",
5039 medium: "yyyy-M-d H:mm:ss",
5040 mediumDate: "yyyy-M-d",
5041 mediumTime: "H:mm:ss",
5042 "short": "yy-M-d ah:mm",
5043 shortDate: "yy-M-d",
5046 locate.SHORTMONTH = locate.MONTH
5047 filters.date.locate = locate
5048 }// jshint ignore:line
5049 /*********************************************************************
5051 **********************************************************************/
5052 //https://www.devbridge.com/articles/understanding-amd-requirejs/
5053 //http://maxogden.com/nested-dependencies.html
5054 var modules = avalon.modules = {
5064 //Object(modules[id]).state拥有如下值
5067 // 2(loading) 已经被执行但还没有执行完成,在这个阶段define方法会被执行
5068 // 3(loaded) 执行完毕,通过onload/onreadystatechange回调判定,在这个阶段checkDeps方法会执行
5069 // 4(execute) 其依赖也执行完毕, 值放到exports对象上,在这个阶段fireFactory方法会执行
5070 modules.exports = modules.avalon
5072 new function () {// jshint ignore:line
5073 var loadings = [] //正在加载中的模块列表
5074 var factorys = [] //放置define方法的factory函数
5075 var rjsext = /\.js$/i
5076 function makeRequest(name, config) {
5079 name = name.replace(/^(\w+)\!/, function (a, b) {
5083 if (res === "ready") {
5084 log("debug: ready!已经被废弃,请使用domReady!")
5087 //2. 去掉querystring, hash
5089 name = name.replace(rquery, function (a) {
5094 var suffix = "." + res
5095 var ext = /js|css/.test(suffix) ? suffix : ""
5096 name = name.replace(/\.[a-z0-9]+$/g, function (a) {
5104 var req = avalon.mix({
5115 function fireRequest(req) {
5118 //1. 如果该模块已经发出请求,直接返回
5119 var module = modules[name]
5120 var urlNoQuery = name && req.urlNoQuery
5121 if (module && module.state >= 1) {
5124 module = modules[urlNoQuery]
5125 if (module && module.state >= 3) {
5126 innerRequire(module.deps || [], module.factory, urlNoQuery)
5129 if (name && !module) {
5130 module = modules[urlNoQuery] = {
5134 var wrap = function (obj) {
5135 resources[res] = obj
5136 obj.load(name, req, function (a) {
5137 if (arguments.length && a !== void 0) {
5145 if (!resources[res]) {
5146 innerRequire([res], wrap)
5148 wrap(resources[res])
5151 return name ? urlNoQuery : res + "!"
5155 var requireQueue = []
5156 var isUserFirstRequire = false
5157 innerRequire = avalon.require = function (array, factory, parentUrl, defineConfig) {
5158 if (!isUserFirstRequire) {
5159 requireQueue.push(avalon.slice(arguments))
5160 if (arguments.length <= 2) {
5161 isUserFirstRequire = true
5162 var queue = requireQueue.splice(0, requireQueue.length), args
5163 while (args = queue.shift()) {
5164 innerRequire.apply(null, args)
5170 if (!Array.isArray(array)) {
5171 avalon.error("require方法的第一个参数应为数组 " + array)
5173 var deps = [] // 放置所有依赖项的完整路径
5175 var id = parentUrl || "callback" + setTimeout("1")// jshint ignore:line
5176 defineConfig = defineConfig || {}
5177 defineConfig.baseUrl = kernel.baseUrl
5178 var isBuilt = !!defineConfig.built
5180 defineConfig.parentUrl = parentUrl.substr(0, parentUrl.lastIndexOf("/"))
5181 defineConfig.mapUrl = parentUrl.replace(rjsext, "")
5184 var req = makeRequest(defineConfig.defineName, defineConfig)
5187 array.forEach(function (name) {
5188 var req = makeRequest(name, defineConfig)
5189 var url = fireRequest(req) //加载资源,并返回该资源的完整地址
5193 uniq[url] = "司徒正美" //去重
5199 var module = modules[id]
5200 if (!module || module.state !== 4) {
5203 deps: isBuilt ? array.concat() : deps,
5204 factory: factory || noop,
5209 //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
5216 innerRequire.define = function (name, deps, factory) { //模块名,依赖列表,模块本身
5217 if (typeof name !== "string") {
5222 if (!Array.isArray(deps)) {
5227 built: !isUserFirstRequire, //用r.js打包后,所有define会放到requirejs之前
5230 var args = [deps, factory, config]
5231 factory.require = function (url) {
5232 args.splice(2, 0, url)
5234 modules[url].state = 3 //loaded
5237 isCycle = checkCycle(modules[url].deps, url)
5241 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")
5244 delete factory.require //释放内存
5245 innerRequire.apply(null, args) //0,1,2 --> 1,2,0
5247 //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。
5248 //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。
5249 //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,
5250 //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。
5251 //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
5252 //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
5253 //亦即,先进入loading阶段的script标签(模块)必然会先进入loaded阶段
5254 var url = config.built ? "unknown" : getCurrentScript()
5256 var module = modules[url]
5260 factory.require(url)
5261 } else {//合并前后的safari,合并后的IE6-9走此分支
5262 factorys.push(factory)
5265 //核心API之三 require.config(settings)
5266 innerRequire.config = kernel
5267 //核心API之四 define.amd 标识其符合AMD规范
5268 innerRequire.define.amd = modules
5270 //==========================对用户配置项进行再加工==========================
5271 var allpaths = kernel["orig.paths"] = {}
5272 var allmaps = kernel["orig.map"] = {}
5273 var allpackages = kernel["packages"] = []
5274 var allargs = kernel["orig.args"] = {}
5275 avalon.mix(plugins, {
5276 paths: function (hash) {
5277 avalon.mix(allpaths, hash)
5278 kernel.paths = makeIndexArray(allpaths)
5280 map: function (hash) {
5281 avalon.mix(allmaps, hash)
5282 var list = makeIndexArray(allmaps, 1, 1)
5283 avalon.each(list, function (_, item) {
5284 item.val = makeIndexArray(item.val)
5288 packages: function (array) {
5289 array = array.concat(allpackages)
5292 for (var i = 0, pkg; pkg = array[i++]; ) {
5293 pkg = typeof pkg === "string" ? {name: pkg} : pkg
5296 var url = joinPath(pkg.location || name, pkg.main || "main")
5297 url = url.replace(rjsext, "")
5299 uniq[name] = pkg.location = url
5300 pkg.reg = makeMatcher(name)
5303 kernel.packages = ret.sort()
5305 urlArgs: function (hash) {
5306 if (typeof hash === "string") {
5309 avalon.mix(allargs, hash)
5310 kernel.urlArgs = makeIndexArray(allargs, 1)
5312 baseUrl: function (url) {
5313 if (!isAbsUrl(url)) {
5314 var baseElement = head.getElementsByTagName("base")[0]
5316 head.removeChild(baseElement)
5318 var node = DOC.createElement("a")
5320 url = getFullUrl(node, "href")
5322 head.insertBefore(baseElement, head.firstChild)
5326 kernel.baseUrl = url
5328 shim: function (obj) {
5329 for (var i in obj) {
5331 if (Array.isArray(value)) {
5336 if (!value.exportsFn && (value.exports || value.init)) {
5337 value.exportsFn = makeExports(value)
5346 //==============================内部方法=================================
5347 function checkCycle(deps, nick) {
5349 for (var i = 0, id; id = deps[i++]; ) {
5350 if (modules[id].state !== 4 &&
5351 (id === nick || checkCycle(modules[id].deps, nick))) {
5357 function checkFail(node, onError, fuckIE) {
5358 var id = trimQuery(node.src) //检测是否死链
5359 node.onload = node.onreadystatechange = node.onerror = null
5360 if (onError || (fuckIE && modules[id] && !modules[id].state)) {
5361 setTimeout(function () {
5362 head.removeChild(node)
5363 node = null // 处理旧式IE下的循环引用问题
5365 log("debug: 加载 " + id + " 失败" + onError + " " + (!modules[id].state))
5371 function checkDeps() {
5372 //检测此JS模块的依赖是否都已安装完毕,是则安装自身
5373 loop: for (var i = loadings.length, id; id = loadings[--i]; ) {
5374 var obj = modules[id],
5378 for (var j = 0, key; key = deps[j]; j++) {
5379 if (Object(modules[key]).state !== 4) {
5383 //如果deps是空对象或者其依赖的模块的状态都是2
5384 if (obj.state !== 4) {
5385 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
5386 fireFactory(obj.id, obj.deps, obj.factory)
5387 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
5392 var rreadyState = /complete|loaded/
5393 function loadJS(url, id, callback) {
5395 var node = DOC.createElement("script")
5396 node.className = subscribers //让getCurrentScript只处理类名为subscribers的script节点
5397 var supportLoad = "onload" in node
5398 var onEvent = supportLoad ? "onload" : "onreadystatechange"
5400 var factory = factorys.pop()
5401 factory && factory.require(id)
5405 if (checkFail(node, false, !supportLoad)) {
5406 log("debug: 已成功加载 " + url)
5407 id && loadings.push(id)
5411 var index = 0, loadID
5412 node[onEvent] = supportLoad ? onload : function () {
5413 if (rreadyState.test(node.readyState)) {
5416 loadID = setTimeout(onload, 500)
5418 clearTimeout(loadID)
5423 node.onerror = function () {
5424 checkFail(node, true)
5427 head.insertBefore(node, head.firstChild) //chrome下第二个参数不能为null
5428 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
5429 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
5432 var resources = innerRequire.plugins = {
5433 //三大常用资源插件 js!, css!, text!, ready!
5438 load: function (name, req, onLoad) {
5440 var id = req.urlNoQuery
5441 var shim = kernel.shim[name.replace(rjsext, "")]
5442 if (shim) { //shim机制
5443 innerRequire(shim.deps || [], function () {
5444 var args = avalon.slice(arguments)
5445 loadJS(url, id, function () {
5446 onLoad(shim.exportsFn ? shim.exportsFn.apply(0, args) : void 0)
5455 load: function (name, req, onLoad) {
5457 var node = DOC.createElement("link")
5458 node.rel = "stylesheet"
5460 head.insertBefore(node, head.firstChild)
5461 log("debug: 已成功加载 " + url)
5466 load: function (name, req, onLoad) {
5469 xhr.onreadystatechange = function () {
5470 if (xhr.readyState === 4) {
5471 var status = xhr.status;
5472 if (status > 399 && status < 600) {
5473 avalon.error(url + " 对应资源不存在或没有开启 CORS")
5475 log("debug: 已成功加载 " + url)
5476 onLoad(xhr.responseText)
5480 var time = "_=" + (new Date() - 0)
5481 var _url = url.indexOf("?") === -1 ? url + "?" + time : url + "&" + time
5482 xhr.open("GET", _url, true)
5483 if ("withCredentials" in xhr) {//这是处理跨域
5484 xhr.withCredentials = true
5486 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")//告诉后端这是AJAX请求
5488 log("debug: 正准备加载 " + url)
5492 innerRequire.checkDeps = checkDeps
5494 var rquery = /(\?[^#]*)$/
5495 function trimQuery(url) {
5496 return (url || "").replace(rquery, "")
5499 function isAbsUrl(path) {
5500 //http://stackoverflow.com/questions/10687099/how-to-test-if-a-url-string-is-absolute-or-relative
5501 return /^(?:[a-z]+:)?\/\//i.test(String(path))
5504 function getFullUrl(node, src) {
5505 return"1"[0] ? node[src] : node.getAttribute(src, 4)
5508 function getCurrentScript() {
5509 // inspireb by https://github.com/samyk/jiagra/blob/master/jiagra.js
5512 a.b.c() //强制报错,以便捕获e.stack
5513 } catch (e) { //safari5的sourceURL,firefox的fileName,它们的效果与e.stack不一样
5515 if (!stack && window.opera) {
5516 //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
5517 stack = (String(e).match(/of linked script \S+/g) || []).join(" ")
5521 /**e.stack最后一行在所有支持的浏览器大致如下:
5523 * at http://113.93.50.63/data.js:4:1
5525 *@http://113.93.50.63/query.js:4
5526 *opera12:http://www.oldapps.com/opera.php?system=Windows_XP
5527 *@http://113.93.50.63/data.js:4
5529 * at Global code (http://113.93.50.63/data.js:4:1)
5530 * //firefox4+ 可以用document.currentScript
5532 stack = stack.split(/[@ ]/g).pop() //取得最后一行,最后一个空格或@之后的部分
5533 stack = stack[0] === "(" ? stack.slice(1, -1) : stack.replace(/\s/, "") //去掉换行符
5534 return trimQuery(stack.replace(/(:\d+)?:\d+$/i, "")) //去掉行号与或许存在的出错字符起始位置
5536 var nodes = head.getElementsByTagName("script") //只在head标签中寻找
5537 for (var i = nodes.length, node; node = nodes[--i]; ) {
5538 if (node.className === subscribers && node.readyState === "interactive") {
5539 var url = getFullUrl(node, "src")
5540 return node.className = trimQuery(url)
5545 var rcallback = /^callback\d+$/
5546 function fireFactory(id, deps, factory) {
5547 var module = Object(modules[id])
5549 for (var i = 0, array = [], d; d = deps[i++]; ) {
5550 if (d === "exports") {
5551 var obj = module.exports || (module.exports = {})
5554 array.push(modules[d].exports)
5558 var ret = factory.apply(window, array)
5560 log("执行[" + id + "]模块的factory抛错: ", e)
5562 if (ret !== void 0) {
5563 module.exports = ret
5565 if (rcallback.test(id)) {
5568 delete module.factory
5571 function toUrl(id) {
5572 if (id.indexOf(this.res + "!") === 0) {
5573 id = id.slice(this.res.length + 1) //处理define("css!style",[], function(){})的情况
5578 var baseUrl = this.baseUrl
5579 var rootUrl = this.parentUrl || baseUrl
5580 eachIndexArray(id, kernel.paths, function (value, key) {
5581 url = url.replace(key, value)
5584 //2. 是否命中packages配置项
5586 eachIndexArray(id, kernel.packages, function (value, key, item) {
5587 url = url.replace(item.name, item.location)
5592 eachIndexArray(this.mapUrl, kernel.map, function (array) {
5593 eachIndexArray(url, array, function (mdValue, mdKey) {
5594 url = url.replace(mdKey, mdValue)
5600 if (ext && usePath && url.slice(-ext.length) === ext) {
5601 url = url.slice(0, -ext.length)
5604 if (!isAbsUrl(url)) {
5605 rootUrl = this.built || /^\w/.test(url) ? baseUrl : rootUrl
5606 url = joinPath(rootUrl, url)
5609 var urlNoQuery = url + ext
5610 url = urlNoQuery + this.query
5612 eachIndexArray(id, kernel.urlArgs, function (value) {
5613 url += (url.indexOf("?") === -1 ? "?" : "&") + value;
5616 return this.urlNoQuery = urlNoQuery
5619 function makeIndexArray(hash, useStar, part) {
5621 var index = hash2array(hash, useStar, part)
5622 index.sort(descSorterByName)
5626 function makeMatcher(prefix) {
5627 return new RegExp('^' + prefix + '(/|$)')
5630 function makeExports(value) {
5631 return function () {
5634 ret = value.init.apply(window, arguments)
5636 return ret || (value.exports && getGlobal(value.exports))
5641 function hash2array(hash, useStar, part) {
5643 for (var key in hash) {
5644 if (ohasOwn.call(hash, key)) {
5650 item.reg = key === "*" && useStar ? /^/ : makeMatcher(key)
5651 if (part && key !== "*") {
5652 item.reg = new RegExp('\/' + key.replace(/^\//, "") + '(/|$)')
5659 function eachIndexArray(moduleID, array, matcher) {
5661 for (var i = 0, el; el = array[i++]; ) {
5662 if (el.reg.test(moduleID)) {
5663 matcher(el.val, el.name, el)
5668 // 根据元素的name项进行数组字符数逆序的排序函数
5669 function descSorterByName(a, b) {
5678 return bbb.length - aaa.length
5681 var rdeuce = /\/\w+\/\.\./
5682 function joinPath(a, b) {
5683 if (a.charAt(a.length - 1) !== "/") {
5686 if (b.slice(0, 2) === "./") { //相对于兄弟路径
5687 return a + b.slice(2)
5689 if (b.slice(0, 2) === "..") { //相对于父路径
5691 while (rdeuce.test(a)) {
5692 a = a.replace(rdeuce, "")
5696 if (b.slice(0, 1) === "/") {
5697 return a + b.slice(1)
5702 function getGlobal(value) {
5707 value.split(".").forEach(function (part) {
5713 var mainNode = DOC.scripts[DOC.scripts.length - 1]
5714 var dataMain = mainNode.getAttribute("data-main")
5716 plugins.baseUrl(dataMain)
5717 var href = kernel.baseUrl
5718 kernel.baseUrl = href.slice(0, href.lastIndexOf("/") + 1)
5719 loadJS(href.replace(rjsext, "") + ".js")
5721 var loaderUrl = trimQuery(getFullUrl(mainNode, "src"))
5722 kernel.baseUrl = loaderUrl.slice(0, loaderUrl.lastIndexOf("/") + 1)
5724 }// jshint ignore:line
5726 /*********************************************************************
5728 **********************************************************************/
5730 var readyList = [], isReady
5731 var fireReady = function(fn) {
5734 modules["domReady!"].state = 4
5735 innerRequire.checkDeps()
5737 while(fn = readyList.shift()){
5742 function doScrollCheck() {
5743 try { //IE下通过doScrollCheck检测DOM树是否建完
5744 root.doScroll("left")
5747 setTimeout(doScrollCheck)
5751 if (DOC.readyState === "complete") {
5752 setTimeout(fireReady) //如果在domReady之外加载
5754 DOC.addEventListener("DOMContentLoaded", fireReady)
5756 DOC.attachEvent("onreadystatechange", function() {
5757 if (DOC.readyState === "complete") {
5762 var isTop = window.frameElement === null
5765 if (root.doScroll && isTop && window.external) {//fix IE iframe BUG
5769 avalon.bind(window, "load", fireReady)
5771 avalon.ready = function(fn) {
5783 avalon.ready(function() {
5784 avalon.scan(DOC.body)
5787 // Register as a named AMD module, since avalon can be concatenated with other
5788 // files that may use define, but not via a proper concatenation script that
5789 // understands anonymous AMD modules. A named AMD is safest and most robust
5790 // way to register. Lowercase avalon is used because AMD module names are
5791 // derived from file names, and Avalon is normally delivered in a lowercase
5792 // file name. Do this after creating the global so that if an AMD module wants
5793 // to call noConflict to hide this version of avalon, it will work.
5795 // Note that for maximum portability, libraries that are not avalon should
5796 // declare themselves as anonymous modules, and avoid setting a global if an
5797 // AMD loader is present. avalon is a special case. For more information, see
5798 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
5799 if (typeof define === "function" && define.amd) {
5800 define("avalon", [], function() {
5804 // Map over avalon in case of overwrite
5805 var _avalon = window.avalon
5806 avalon.noConflict = function(deep) {
5807 if (deep && window.avalon === avalon) {
5808 window.avalon = _avalon
5812 // Expose avalon identifiers, even in AMD
5813 // and CommonJS for browser emulators
5814 if (noGlobal === void 0) {
5815 window.avalon = avalon