2 * Copyright 2016 ZTE, Inc. and others.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 /*==================================================
17 Copyright (c) 2013-2015 司徒正美 and other contributors
18 http://www.cnblogs.com/rubylouvre/
19 https://github.com/RubyLouvre
20 http://weibo.com/jslouvre/
22 Released under the MIT license
23 avalon.js 1.45 built in 2015.7.17
24 support IE6+ and other browsers
25 ==================================================*/
26 (function(global, factory) {
28 if (typeof module === "object" && typeof module.exports === "object") {
29 // For CommonJS and CommonJS-like environments where a proper `window`
30 // is present, execute the factory and get avalon.
31 // For environments that do not have a `window` with a `document`
32 // (such as Node.js), expose a factory as module.exports.
33 // This accentuates the need for the creation of a real `window`.
34 // e.g. var avalon = require("avalon")(window);
35 module.exports = global.document ? factory(global, true) : function(w) {
37 throw new Error("Avalon requires a window with a document")
45 // Pass this if window is not defined yet
46 }(typeof window !== "undefined" ? window : this, function(window, noGlobal){
48 /*********************************************************************
50 **********************************************************************/
51 var expose = new Date() - 0
52 //http://stackoverflow.com/questions/7290086/javascript-use-strict-and-nicks-find-global-function
53 var DOC = window.document
54 var head = DOC.getElementsByTagName("head")[0] //HEAD元素
55 var ifGroup = head.insertBefore(document.createElement("avalon"), head.firstChild) //避免IE6 base标签BUG
56 ifGroup.innerHTML = "X<style id='avalonStyle'>.avalonHide{ display: none!important }</style>"
57 ifGroup.setAttribute("ms-skip", "1")
58 ifGroup.className = "avalonHide"
59 var rnative = /\[native code\]/ //判定是否原生函数
61 if (window.console && avalon.config.debug) {
62 // http://stackoverflow.com/questions/8785624/how-to-safely-wrap-console-log
63 Function.apply.call(console.log, console, arguments)
68 var subscribers = "$" + expose
69 var otherRequire = window.require
70 var otherDefine = window.define
72 var stopRepeatAssign = false
73 var rword = /[^, ]+/g //切割字符串为一个个小块,以空格或豆号分开它们,结合replace实现字符串的forEach
74 var rcomplexType = /^(?:object|array)$/
75 var rsvg = /^\[object SVG\w*Element\]$/
76 var rwindow = /^\[object (?:Window|DOMWindow|global)\]$/
77 var oproto = Object.prototype
78 var ohasOwn = oproto.hasOwnProperty
79 var serialize = oproto.toString
80 var ap = Array.prototype
82 var Registry = {} //将函数曝光到此对象上,方便访问器收集依赖
83 var W3C = window.dispatchEvent
84 var root = DOC.documentElement
85 var avalonFragment = DOC.createDocumentFragment()
86 var cinerator = DOC.createElement("div")
88 "Boolean Number String Function Array Date RegExp Object Error".replace(rword, function (name) {
89 class2type["[object " + name + "]"] = name.toLowerCase()
97 function oneObject(array, val) {
98 if (typeof array === "string") {
99 array = array.match(rword) || []
102 value = val !== void 0 ? val : 1
103 for (var i = 0, n = array.length; i < n; i++) {
104 result[array[i]] = value
109 //生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
110 var generateID = function (prefix) {
111 prefix = prefix || "avalon"
112 return String(Math.random() + Math.random()).replace(/\d\.\d{4}/, prefix)
115 if (window.VBArray) {
116 var mode = document.documentMode
117 return mode ? mode : window.XMLHttpRequest ? 7 : 6
124 avalon = function (el) { //创建jQuery式的无new 实例化结构
125 return new avalon.init(el)
128 avalon.profile = function () {
129 if (window.console && avalon.config.profile) {
130 Function.apply.call(console.log, console, arguments)
135 avalon.nextTick = new function () {// jshint ignore:line
136 var tickImmediate = window.setImmediate
137 var tickObserver = window.MutationObserver
138 var tickPost = W3C && window.postMessage
140 return tickImmediate.bind(window)
144 function callback() {
146 for (var i = 0; i < n; i++) {
149 queue = queue.slice(n)
153 var node = document.createTextNode("avalon")
154 new tickObserver(callback).observe(node, {characterData: true})// jshint ignore:line
155 return function (fn) {
157 node.data = Math.random()
162 window.addEventListener("message", function (e) {
163 var source = e.source
164 if ((source === window || source === null) && e.data === "process-tick") {
170 return function (fn) {
172 window.postMessage('process-tick', '*')
176 return function (fn) {
179 }// jshint ignore:line
180 /*********************************************************************
182 **********************************************************************/
183 avalon.init = function (el) {
184 this[0] = this.element = el
186 avalon.fn = avalon.prototype = avalon.init.prototype
188 avalon.type = function (obj) { //取得目标的类型
192 // 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
193 return typeof obj === "object" || typeof obj === "function" ?
194 class2type[serialize.call(obj)] || "object" :
198 var isFunction = typeof alert === "object" ? function (fn) {
200 return /^\s*\bfunction\b/.test(fn + "")
205 return serialize.call(fn) === "[object Function]"
207 avalon.isFunction = isFunction
209 avalon.isWindow = function (obj) {
212 // 利用IE678 window == document为true,document == window竟然为false的神奇特性
213 // 标准浏览器及IE9,IE10等使用 正则检测
214 return obj == obj.document && obj.document != obj //jshint ignore:line
217 function isWindow(obj) {
218 return rwindow.test(serialize.call(obj))
220 if (isWindow(window)) {
221 avalon.isWindow = isWindow
224 for (enu in avalon({})) {
227 var enumerateBUG = enu !== "0" //IE6下为true, 其他为false
228 /*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*/
229 avalon.isPlainObject = function (obj, key) {
230 if (!obj || avalon.type(obj) !== "object" || obj.nodeType || avalon.isWindow(obj)) {
233 try { //IE内置对象没有constructor
234 if (obj.constructor && !ohasOwn.call(obj, "constructor") && !ohasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
237 } catch (e) { //IE8 9会在这里抛错
242 return ohasOwn.call(obj, key)
247 return key === void 0 || ohasOwn.call(obj, key)
249 if (rnative.test(Object.getPrototypeOf)) {
250 avalon.isPlainObject = function (obj) {
251 // 简单的 typeof obj === "object"检测,会致使用isPlainObject(window)在opera下通不过
252 return serialize.call(obj) === "[object Object]" && Object.getPrototypeOf(obj) === oproto
255 //与jQuery.extend方法,可用于浅拷贝,深拷贝
256 avalon.mix = avalon.fn.mix = function () {
257 var options, name, src, copy, copyIsArray, clone,
258 target = arguments[0] || {},
260 length = arguments.length,
263 // 如果第一个参数为布尔,判定是否深拷贝
264 if (typeof target === "boolean") {
266 target = arguments[1] || {}
271 if (typeof target !== "object" && !isFunction(target)) {
275 //如果只有一个参数,那么新成员添加于mix所在的对象上
281 for (; i < length; i++) {
283 if ((options = arguments[i]) != null) {
284 for (name in options) {
287 copy = options[name] //当options为VBS对象时报错
293 if (target === copy) {
296 if (deep && copy && (avalon.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) {
300 clone = src && Array.isArray(src) ? src : []
303 clone = src && avalon.isPlainObject(src) ? src : {}
306 target[name] = avalon.mix(deep, clone, copy)
307 } else if (copy !== void 0) {
316 function _number(a, len) { //用于模拟slice, splice的效果
317 a = Math.floor(a) || 0
318 return a < 0 ? Math.max(len + a, 0) : Math.min(a, len);
322 subscribers: subscribers,
326 slice: W3C ? function (nodes, start, end) {
327 return aslice.call(nodes, start, end)
328 } : function (nodes, start, end) {
330 var len = nodes.length
333 if (typeof end === "number" && isFinite(end)) {
334 start = _number(start, len)
335 end = _number(end, len)
336 for (var i = start; i < end; ++i) {
337 ret[i - start] = nodes[i]
343 /*如果不用Error对象封装一下,str在控制台下可能会乱码*/
344 error: function (str, e) {
345 throw (e || Error)(str)
347 /*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*/
348 oneObject: oneObject,
350 => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
352 => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
353 avalon.range(0, 30, 5)
354 => [0, 5, 10, 15, 20, 25]
355 avalon.range(0, -10, -1)
356 => [0, -1, -2, -3, -4, -5, -6, -7, -8, -9]
359 range: function (start, end, step) { // 用于生成整数数组
366 length = Math.max(0, Math.ceil((end - start) / step)),
367 result = new Array(length)
368 while (++index < length) {
369 result[index] = start
376 bind: function(el, type, fn, phase) {
377 var hooks = avalon.eventHooks
378 var hook = hooks[type]
379 if (typeof hook === "object") {
382 fn = hook.deel(el, type, fn, phase)
385 var callback = W3C ? fn : function(e) {
386 fn.call(el, fixEvent(e));
389 el.addEventListener(type, callback, !!phase)
391 el.attachEvent("on" + type, callback)
396 unbind: function(el, type, fn, phase) {
397 var hooks = avalon.eventHooks
398 var hook = hooks[type]
399 var callback = fn || noop
400 if (typeof hook === "object") {
403 fn = hook.deel(el, type, fn, false)
407 el.removeEventListener(type, callback, !!phase)
409 el.detachEvent("on" + type, callback)
413 css: function (node, name, value) {
414 if (node instanceof avalon) {
417 var prop = /[_-]/.test(name) ? camelize(name) : name, fn
418 name = avalon.cssName(prop) || prop
419 if (value === void 0 || typeof value === "boolean") { //获取样式
420 fn = cssHooks[prop + ":get"] || cssHooks["@:get"]
421 if (name === "background") {
422 name = "backgroundColor"
424 var val = fn(node, name)
425 return value === true ? parseFloat(val) || 0 : val
426 } else if (value === "") { //请除样式
427 node.style[name] = ""
429 if (value == null || value !== value) {
432 if (isFinite(value) && !avalon.cssNumber[prop]) {
435 fn = cssHooks[prop + ":set"] || cssHooks["@:set"]
436 fn(node, name, value)
439 /*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*/
440 each: function (obj, fn) {
441 if (obj) { //排除null, undefined
443 if (isArrayLike(obj)) {
444 for (var n = obj.length; i < n; i++) {
445 if (fn(i, obj[i]) === false)
450 if (obj.hasOwnProperty(i) && fn(i, obj[i]) === false) {
457 //收集元素的data-{{prefix}}-*属性,并转换为对象
458 getWidgetData: function (elem, prefix) {
459 var raw = avalon(elem).data()
462 if (i.indexOf(prefix) === 0) {
463 result[i.replace(prefix, "").replace(/\w/, function (a) {
464 return a.toLowerCase()
471 /*只有当前数组不存在此元素时只添加它*/
472 ensure: function (target, item) {
473 if (target.indexOf(item) === -1) {
474 return target.push(item)
477 /*移除数组中指定位置的元素,返回布尔表示成功与否*/
478 removeAt: function (target, index) {
479 return !!target.splice(index, 1).length
481 /*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*/
482 remove: function (target, item) {
483 var index = target.indexOf(item)
485 return avalon.Array.removeAt(target, index)
491 var bindingHandlers = avalon.bindingHandlers = {}
492 var bindingExecutors = avalon.bindingExecutors = {}
494 /*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*/
495 function isArrayLike(obj) {
499 if (n === (n >>> 0)) { //检测length属性是否为非负整数
500 var type = serialize.call(obj).slice(8, -1)
501 if (/(?:regexp|string|function|window|global)$/i.test(type))
503 if (type === "Array")
506 if ({}.propertyIsEnumerable.call(obj, "length") === false) { //如果是原生对象
507 return /^\s?function/.test(obj.item || obj.callee)
510 } catch (e) { //IE的NodeList直接抛错
511 return !obj.window //IE6-8 window
518 // https://github.com/rsms/js-lru
519 var Cache = new function() {// jshint ignore:line
520 function LRU(maxLength) {
522 this.limit = maxLength
523 this.head = this.tail = void 0
527 var p = LRU.prototype
529 p.put = function(key, value) {
534 this._keymap[key] = entry
536 this.tail.newer = entry
537 entry.older = this.tail
542 if (this.size === this.limit) {
550 p.shift = function() {
551 var entry = this.head
553 this.head = this.head.newer
557 this._keymap[entry.key] = void 0
560 p.get = function(key) {
561 var entry = this._keymap[key]
562 if (entry === void 0)
564 if (entry === this.tail) {
567 // HEAD--------------TAIL
569 // <--- add direction --
572 if (entry === this.head) {
573 this.head = entry.newer
575 entry.newer.older = entry.older // C <-- E.
578 entry.older.newer = entry.newer // C. --> E
580 entry.newer = void 0 // D --x
581 entry.older = this.tail // D. --> E
583 this.tail.newer = entry // E. <-- D
589 }// jshint ignore:line
591 /*********************************************************************
593 **********************************************************************/
595 var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g
596 String.prototype.trim = function () {
597 return this.replace(rtrim, "")
600 var hasDontEnumBug = !({
602 }).propertyIsEnumerable('toString'),
603 hasProtoEnumBug = (function () {
604 }).propertyIsEnumerable('prototype'),
611 "propertyIsEnumerable",
614 dontEnumsLength = dontEnums.length;
616 Object.keys = function (object) { //ecma262v5 15.2.3.14
618 var skipProto = hasProtoEnumBug && typeof object === "function"
619 if (typeof object === "string" || (object && object.callee)) {
620 for (var i = 0; i < object.length; ++i) {
621 theKeys.push(String(i))
624 for (var name in object) {
625 if (!(skipProto && name === "prototype") && ohasOwn.call(object, name)) {
626 theKeys.push(String(name))
631 if (hasDontEnumBug) {
632 var ctor = object.constructor,
633 skipConstructor = ctor && ctor.prototype === object
634 for (var j = 0; j < dontEnumsLength; j++) {
635 var dontEnum = dontEnums[j]
636 if (!(skipConstructor && dontEnum === "constructor") && ohasOwn.call(object, dontEnum)) {
637 theKeys.push(dontEnum)
644 if (!Array.isArray) {
645 Array.isArray = function (a) {
646 return serialize.call(a) === "[object Array]"
651 Function.prototype.bind = function (scope) {
652 if (arguments.length < 2 && scope === void 0)
659 for (i = 1; i < argv.length; i++)
661 for (i = 0; i < arguments.length; i++)
662 args.push(arguments[i])
663 return fn.apply(scope, args)
668 function iterator(vars, body, ret) {
669 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
670 /* jshint ignore:start */
671 return Function("fn,scope", fun)
672 /* jshint ignore:end */
674 if (!rnative.test([].map)) {
676 //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。
677 indexOf: function (item, index) {
683 if (this[i] === item)
688 lastIndexOf: function (item, index) {
690 i = index == null ? n - 1 : index
692 i = Math.max(0, n + i)
694 if (this[i] === item)
698 //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。
699 forEach: iterator("", '_', ""),
700 //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
701 filter: iterator('r=[],j=0,', 'if(_)r[j++]=this[i]', 'return r'),
702 //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。
703 map: iterator('r=[],', 'r[i]=_', 'return r'),
704 //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。
705 some: iterator("", 'if(_)return true', 'return false'),
706 //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。
707 every: iterator("", 'if(!_)return false', 'return true')
710 /*********************************************************************
712 **********************************************************************/
714 function fixContains(root, el) {
715 try { //IE6-8,游离于DOM树外的文本节点,访问parentNode有时会抛错
716 while ((el = el.parentNode))
724 avalon.contains = fixContains
725 //IE6-11的文档对象没有contains
727 DOC.contains = function (b) {
728 return fixContains(DOC, b)
732 function outerHTML() {
733 return new XMLSerializer().serializeToString(this)
736 if (window.SVGElement) {
737 //safari5+是把contains方法放在Element.prototype上而不是Node.prototype
738 if (!DOC.createTextNode("x").contains) {
739 Node.prototype.contains = function (arg) {//IE6-8没有Node对象
740 return !!(this.compareDocumentPosition(arg) & 16)
743 var svgns = "http://www.w3.org/2000/svg"
744 var svg = DOC.createElementNS(svgns, "svg")
745 svg.innerHTML = '<circle cx="50" cy="50" r="40" fill="red" />'
746 if (!rsvg.test(svg.firstChild)) { // #409
747 function enumerateNode(node, targetNode) {// jshint ignore:line
748 if (node && node.childNodes) {
749 var nodes = node.childNodes
750 for (var i = 0, el; el = nodes[i++]; ) {
752 var svg = DOC.createElementNS(svgns,
753 el.tagName.toLowerCase())
754 ap.forEach.call(el.attributes, function (attr) {
755 svg.setAttribute(attr.name, attr.value) //复制属性
756 })// jshint ignore:line
758 enumerateNode(el, svg)
759 targetNode.appendChild(svg)
764 Object.defineProperties(SVGElement.prototype, {
765 "outerHTML": {//IE9-11,firefox不支持SVG元素的innerHTML,outerHTML属性
769 set: function (html) {
770 var tagName = this.tagName.toLowerCase(),
771 par = this.parentNode,
772 frag = avalon.parseHTML(html)
774 if (tagName === "svg") {
775 par.insertBefore(frag, this)
778 var newFrag = DOC.createDocumentFragment()
779 enumerateNode(frag, newFrag)
780 par.insertBefore(newFrag, this)
782 par.removeChild(this)
789 var s = this.outerHTML
790 var ropen = new RegExp("<" + this.nodeName + '\\b(?:(["\'])[^"]*?(\\1)|[^>])*>', "i")
791 var rclose = new RegExp("<\/" + this.nodeName + ">$", "i")
792 return s.replace(ropen, "").replace(rclose, "")
794 set: function (html) {
795 if (avalon.clearHTML) {
796 avalon.clearHTML(this)
797 var frag = avalon.parseHTML(html)
798 enumerateNode(frag, this)
805 if (!root.outerHTML && window.HTMLElement) { //firefox 到11时才有outerHTML
806 HTMLElement.prototype.__defineGetter__("outerHTML", outerHTML);
810 //============================= event binding =======================
811 var rmouseEvent = /^(?:mouse|contextmenu|drag)|click/
812 function fixEvent(event) {
814 for (var i in event) {
817 var target = ret.target = event.srcElement
818 if (event.type.indexOf("key") === 0) {
819 ret.which = event.charCode != null ? event.charCode : event.keyCode
820 } else if (rmouseEvent.test(event.type)) {
821 var doc = target.ownerDocument || DOC
822 var box = doc.compatMode === "BackCompat" ? doc.body : doc.documentElement
823 ret.pageX = event.clientX + (box.scrollLeft >> 0) - (box.clientLeft >> 0)
824 ret.pageY = event.clientY + (box.scrollTop >> 0) - (box.clientTop >> 0)
825 ret.wheelDeltaY = ret.wheelDelta
828 ret.timeStamp = new Date() - 0
829 ret.originalEvent = event
830 ret.preventDefault = function () { //阻止默认行为
831 event.returnValue = false
833 ret.stopPropagation = function () { //阻止事件在DOM树中的传播
834 event.cancelBubble = true
839 var eventHooks = avalon.eventHooks
840 //针对firefox, chrome修正mouseenter, mouseleave
841 if (!("onmouseenter" in root)) {
843 mouseenter: "mouseover",
844 mouseleave: "mouseout"
845 }, function (origType, fixType) {
846 eventHooks[origType] = {
848 deel: function (elem, _, fn) {
849 return function (e) {
850 var t = e.relatedTarget
851 if (!t || (t !== elem && !(elem.compareDocumentPosition(t) & 16))) {
854 return fn.call(elem, e)
861 //针对IE9+, w3c修正animationend
863 AnimationEvent: "animationend",
864 WebKitAnimationEvent: "webkitAnimationEnd"
865 }, function (construct, fixType) {
866 if (window[construct] && !eventHooks.animationend) {
867 eventHooks.animationend = {
873 if (!("oninput" in DOC.createElement("input"))) {
875 type: "propertychange",
876 deel: function (elem, _, fn) {
877 return function (e) {
878 if (e.propertyName === "value") {
880 return fn.call(elem, e)
886 if (DOC.onmousewheel === void 0) {
887 /* IE6-11 chrome mousewheel wheelDetla 下 -120 上 120
888 firefox DOMMouseScroll detail 下3 上-3
889 firefox wheel detlaY 下3 上-3
890 IE9-11 wheel deltaY 下40 上-40
891 chrome wheel deltaY 下100 上-100 */
892 var fixWheelType = DOC.onwheel !== void 0 ? "wheel" : "DOMMouseScroll"
893 var fixWheelDelta = fixWheelType === "wheel" ? "deltaY" : "detail"
894 eventHooks.mousewheel = {
896 deel: function (elem, _, fn) {
897 return function (e) {
898 e.wheelDeltaY = e.wheelDelta = e[fixWheelDelta] > 0 ? -120 : 120
900 if (Object.defineProperty) {
901 Object.defineProperty(e, "type", {
913 /*********************************************************************
915 **********************************************************************/
917 function kernel(settings) {
918 for (var p in settings) {
919 if (!ohasOwn.call(settings, p))
921 var val = settings[p]
922 if (typeof kernel.plugins[p] === "function") {
923 kernel.plugins[p](val)
924 } else if (typeof kernel[p] === "object") {
925 avalon.mix(kernel[p], val)
932 var openTag, closeTag, rexpr, rexprg, rbind, rregexp = /[-.*+?^${}()|[\]\/\\]/g
934 function escapeRegExp(target) {
935 //http://stevenlevithan.com/regex/xregexp/
937 return (target + "").replace(rregexp, "\\$&")
941 loader: function (builtin) {
942 var flag = innerRequire && builtin
943 window.require = flag ? innerRequire : otherRequire
944 window.define = flag ? innerRequire.define : otherDefine
946 interpolate: function (array) {
949 if (openTag === closeTag) {
950 throw new SyntaxError("openTag!==closeTag")
951 var test = openTag + "test" + closeTag
952 cinerator.innerHTML = test
953 if (cinerator.innerHTML !== test && cinerator.innerHTML.indexOf("<") > -1) {
954 throw new SyntaxError("此定界符不合法")
956 cinerator.innerHTML = ""
958 var o = escapeRegExp(openTag),
959 c = escapeRegExp(closeTag)
960 rexpr = new RegExp(o + "(.*?)" + c)
961 rexprg = new RegExp(o + "(.*?)" + c, "g")
962 rbind = new RegExp(o + ".*?" + c + "|\\sms-")
967 kernel.plugins = plugins
968 kernel.plugins['interpolate'](["{{", "}}"])
971 kernel.maxRepeatSize = 100
972 avalon.config = kernel
973 var ravalon = /(\w+)\[(avalonctrl)="(\S+)"\]/
974 var findNodes = DOC.querySelectorAll ? function(str) {
975 return DOC.querySelectorAll(str)
977 var match = str.match(ravalon)
978 var all = DOC.getElementsByTagName(match[1])
980 for (var i = 0, el; el = all[i++]; ) {
981 if (el.getAttribute(match[2]) === match[3]) {
987 /*********************************************************************
989 **********************************************************************/
991 $watch: function (type, callback) {
992 if (typeof callback === "function") {
993 var callbacks = this.$events[type]
995 callbacks.push(callback)
997 this.$events[type] = [callback]
999 } else { //重新开始监听此VM的第一重简单属性的变动
1000 this.$events = this.$watch.backup
1004 $unwatch: function (type, callback) {
1005 var n = arguments.length
1006 if (n === 0) { //让此VM的所有$watch回调无效化
1007 this.$watch.backup = this.$events
1009 } else if (n === 1) {
1010 this.$events[type] = []
1012 var callbacks = this.$events[type] || []
1013 var i = callbacks.length
1015 if (callbacks[i] === callback) {
1016 return callbacks.splice(i, 1)
1022 $fire: function (type) {
1023 var special, i, v, callback
1024 if (/^(\w+)!(\S+)$/.test(type)) {
1028 var events = this.$events
1031 var args = aslice.call(arguments, 1)
1032 var detail = [type].concat(args)
1033 if (special === "all") {
1034 for (i in avalon.vmodels) {
1035 v = avalon.vmodels[i]
1037 v.$fire.apply(v, detail)
1040 } else if (special === "up" || special === "down") {
1041 var elements = events.expr ? findNodes(events.expr) : []
1042 if (elements.length === 0)
1044 for (i in avalon.vmodels) {
1045 v = avalon.vmodels[i]
1047 if (v.$events.expr) {
1048 var eventNodes = findNodes(v.$events.expr)
1049 if (eventNodes.length === 0) {
1052 //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
1053 /* jshint ignore:start */
1054 ap.forEach.call(eventNodes, function (node) {
1055 ap.forEach.call(elements, function (element) {
1056 var ok = special === "down" ? element.contains(node) : //向下捕获
1057 node.contains(element) //向上冒泡
1059 node._avalon = v //符合条件的加一个标识
1063 /* jshint ignore:end */
1067 var nodes = DOC.getElementsByTagName("*") //实现节点排序
1069 ap.forEach.call(nodes, function (el) {
1071 alls.push(el._avalon)
1073 el.removeAttribute("_avalon")
1076 if (special === "up") {
1079 for (i = 0; callback = alls[i++]; ) {
1080 if (callback.$fire.apply(callback, detail) === false) {
1085 var callbacks = events[type] || []
1086 var all = events.$all || []
1087 for (i = 0; callback = callbacks[i++]; ) {
1088 if (isFunction(callback))
1089 callback.apply(this, args)
1091 for (i = 0; callback = all[i++]; ) {
1092 if (isFunction(callback))
1093 callback.apply(this, arguments)
1099 /*********************************************************************
1101 **********************************************************************/
1102 //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)
1103 var VMODELS = avalon.vmodels = {} //所有vmodel都储存在这里
1104 avalon.define = function (id, factory) {
1105 var $id = id.$id || id
1107 log("warning: vm必须指定$id")
1110 log("warning: " + $id + " 已经存在于avalon.vmodels中")
1112 if (typeof id === "object") {
1113 var model = modelFactory(id)
1118 factory(scope) //得到所有定义
1120 model = modelFactory(scope) //偷天换日,将scope换为model
1121 stopRepeatAssign = true
1123 stopRepeatAssign = false
1126 return VMODELS[$id] = model
1130 var $$skipArray = String("$id,$watch,$unwatch,$fire,$events,$model,$skipArray,$proxy,$reinitialize,$propertyNames").match(rword)
1131 var defineProperty = Object.defineProperty
1132 var canHideOwn = true
1133 //如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG,比如IE8
1134 //标准浏览器使用__defineGetter__, __defineSetter__实现
1136 defineProperty({}, "_", {
1139 var defineProperties = Object.defineProperties
1144 function modelFactory(source, $special, $model) {
1145 if (Array.isArray(source)) {
1146 var arr = source.concat()
1148 var collection = arrayFactory(source)
1149 collection.pushArray(arr)
1152 //0 null undefined || Node || VModel(fix IE6-8 createWithProxy $val: val引发的BUG)
1153 if (!source || source.nodeType > 0 || (source.$id && source.$events)) {
1156 var $skipArray = Array.isArray(source.$skipArray) ? source.$skipArray : []
1157 $skipArray.$special = $special || {} //强制要监听的属性
1158 var $vmodel = {} //要返回的对象, 它在IE6-8下可能被偷龙转凤
1159 $model = $model || {} //vmodels.$model属性
1160 var $events = {} //vmodel.$events属性
1161 var accessors = {} //监控属性
1163 $$skipArray.forEach(function (name) {
1166 var names = Object.keys(source)
1167 /* jshint ignore:start */
1168 names.forEach(function (name, accessor) {
1169 var val = source[name]
1171 if (isObservable(name, val, $skipArray)) {
1174 var valueType = avalon.type(val)
1176 if (valueType === "object" && isFunction(val.get) && Object.keys(val).length <= 2) {
1177 accessor = makeComputedAccessor(name, val)
1178 computed.push(accessor)
1179 } else if (rcomplexType.test(valueType)) {
1180 accessor = makeComplexAccessor(name, val, valueType, $events[name])
1182 accessor = makeSimpleAccessor(name, val)
1184 accessors[name] = accessor
1187 /* jshint ignore:end */
1189 $vmodel = defineProperties($vmodel, descriptorFactory(accessors), source) //生成一个空的ViewModel
1190 for (var i = 0; i < names.length; i++) {
1192 if (!accessors[name]) {
1193 $vmodel[name] = source[name]
1196 //添加$id, $model, $events, $watch, $unwatch, $fire
1197 $vmodel.$propertyNames = names.join("­")
1198 $vmodel.$id = generateID()
1199 $vmodel.$model = $model
1200 $vmodel.$events = $events
1201 for (i in EventBus) {
1202 var fn = EventBus[i]
1203 if (!W3C) { //在IE6-8下,VB对象的方法里的this并不指向自身,需要用bind处理一下
1204 fn = fn.bind($vmodel)
1209 Object.defineProperty($vmodel, "hasOwnProperty", hasOwnDescriptor)
1211 /* jshint ignore:start */
1212 $vmodel.hasOwnProperty = function (name) {
1213 return name in $vmodel.$model
1215 /* jshint ignore:end */
1218 $vmodel.$reinitialize = function () {
1219 computed.forEach(function (accessor) {
1220 delete accessor._value
1221 delete accessor.oldArgs
1222 accessor.digest = function () {
1223 accessor.call($vmodel)
1225 dependencyDetection.begin({
1226 callback: function (vm, dependency) {//dependency为一个accessor
1227 var name = dependency._name
1228 if (dependency !== accessor) {
1229 var list = vm.$events[name]
1230 injectDependency(list, accessor.digest)
1235 accessor.get.call($vmodel)
1237 dependencyDetection.end()
1241 $vmodel.$reinitialize()
1245 var hasOwnDescriptor = {
1246 value: function (name) {
1247 return name in this.$model
1254 function makeSimpleAccessor(name, value) {
1255 function accessor(value) {
1256 var oldValue = accessor._value
1257 if (arguments.length > 0) {
1258 if (!stopRepeatAssign && !isEqual(value, oldValue)) {
1259 accessor.updateValue(this, value)
1260 accessor.notify(this, value, oldValue)
1264 dependencyDetection.collectDependency(this, accessor)
1268 accessorFactory(accessor, name)
1269 accessor._value = value
1274 function makeComputedAccessor(name, options) {
1275 function accessor(value) {//计算属性
1276 var oldValue = accessor._value
1277 var init = ("_value" in accessor)
1278 if (arguments.length > 0) {
1279 if (stopRepeatAssign) {
1282 if (typeof accessor.set === "function") {
1283 if (accessor.oldArgs !== value) {
1284 accessor.oldArgs = value
1285 var $events = this.$events
1286 var lock = $events[name]
1287 $events[name] = [] //清空回调,防止内部冒泡而触发多次$fire
1288 accessor.set.call(this, value)
1289 $events[name] = lock
1290 value = accessor.get.call(this)
1291 if (value !== oldValue) {
1292 accessor.updateValue(this, value)
1293 accessor.notify(this, value, oldValue) //触发$watch回调
1299 //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
1301 value = accessor.get.call(this)
1302 accessor.updateValue(this, value)
1303 if (init && oldValue !== value) {
1304 accessor.notify(this, value, oldValue) //触发$watch回调
1309 accessor.set = options.set
1310 accessor.get = options.get
1311 accessorFactory(accessor, name)
1316 function makeComplexAccessor(name, initValue, valueType, list) {
1317 function accessor(value) {
1318 var oldValue = accessor._value
1320 var son = accessor._vmodel
1321 if (arguments.length > 0) {
1322 if (stopRepeatAssign) {
1325 if (valueType === "array") {
1326 var a = son, b = value,
1331 a.splice(bn, an - bn)
1332 } else if (bn > an) {
1333 a.push.apply(a, b.slice(an))
1335 var n = Math.min(an, bn)
1336 for (var i = 0; i < n; i++) {
1341 } else if (valueType === "object") {
1342 var newPropertyNames = Object.keys(value).join("­")
1343 if (son.$propertyNames === newPropertyNames) {
1348 var sson = accessor._vmodel = modelFactory(value)
1349 var sevent = sson.$events
1350 var oevent = son.$events
1351 for (var i in sevent) {
1353 if (Array.isArray(arr)) {
1354 arr = arr.concat(oevent[i])
1357 sevent[subscribers] = oevent[subscribers]
1358 sson.$proxy = son.$proxy
1362 accessor.updateValue(this, son.$model)
1363 accessor.notify(this, this._value, oldValue)
1366 dependencyDetection.collectDependency(this, accessor)
1370 accessorFactory(accessor, name)
1371 var son = accessor._vmodel = modelFactory(initValue)
1372 son.$events[subscribers] = list
1376 function globalUpdateValue(vmodel, value) {
1377 vmodel.$model[this._name] = this._value = value
1380 function globalNotify(vmodel, value, oldValue) {
1381 var name = this._name
1382 var array = vmodel.$events[name] //刷新值
1384 fireDependencies(array) //同步视图
1385 EventBus.$fire.call(vmodel, name, value, oldValue) //触发$watch回调
1389 function accessorFactory(accessor, name) {
1390 accessor._name = name
1392 accessor.updateValue = globalUpdateValue
1393 accessor.notify = globalNotify
1397 var isEqual = Object.is || function (v1, v2) {
1398 if (v1 === 0 && v2 === 0) {
1399 return 1 / v1 === 1 / v2
1400 } else if (v1 !== v1) {
1407 function isObservable(name, value, $skipArray) {
1408 if (isFunction(value) || value && value.nodeType) {
1411 if ($skipArray.indexOf(name) !== -1) {
1414 var $special = $skipArray.$special
1415 if (name && name.charAt(0) === "$" && !$special[name]) {
1421 var descriptorFactory = W3C ? function (obj) {
1422 var descriptors = {}
1423 for (var i in obj) {
1436 //===================修复浏览器对Object.defineProperties的支持=================
1438 if ("__defineGetter__" in avalon) {
1439 defineProperty = function (obj, prop, desc) {
1440 if ('value' in desc) {
1441 obj[prop] = desc.value
1443 if ("get" in desc) {
1444 obj.__defineGetter__(prop, desc.get)
1446 if ('set' in desc) {
1447 obj.__defineSetter__(prop, desc.set)
1451 defineProperties = function (obj, descs) {
1452 for (var prop in descs) {
1453 if (descs.hasOwnProperty(prop)) {
1454 defineProperty(obj, prop, descs[prop])
1461 var VBClassPool = {}
1462 window.execScript([// jshint ignore:line
1463 "Function parseVB(code)",
1464 "\tExecuteGlobal(code)",
1465 "End Function" //转换一段文本为VB代码
1466 ].join("\n"), "VBScript")
1467 function VBMediator(instance, accessors, name, value) {// jshint ignore:line
1468 var accessor = accessors[name]
1469 if (arguments.length === 4) {
1470 accessor.call(instance, value)
1472 return accessor.call(instance)
1475 defineProperties = function (name, accessors, properties) {
1476 // jshint ignore:line
1479 "\r\n\tPrivate [__data__], [__proxy__]",
1480 "\tPublic Default Function [__const__](d, p)",
1481 "\t\tSet [__data__] = d: set [__proxy__] = p",
1482 "\t\tSet [__const__] = Me", //链式调用
1484 //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
1485 for (name in properties) {
1486 if (!accessors.hasOwnProperty(name)) {
1487 buffer.push("\tPublic [" + name + "]")
1490 $$skipArray.forEach(function (name) {
1491 if (!accessors.hasOwnProperty(name)) {
1492 buffer.push("\tPublic [" + name + "]")
1495 buffer.push("\tPublic [" + 'hasOwnProperty' + "]")
1497 for (name in accessors) {
1499 //由于不知对方会传入什么,因此set, let都用上
1500 "\tPublic Property Let [" + name + "](val" + expose + ")", //setter
1501 "\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
1503 "\tPublic Property Set [" + name + "](val" + expose + ")", //setter
1504 "\t\tCall [__proxy__](Me,[__data__], \"" + name + "\", val" + expose + ")",
1506 "\tPublic Property Get [" + name + "]", //getter
1507 "\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
1508 "\t\tSet[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
1509 "\tIf Err.Number <> 0 Then",
1510 "\t\t[" + name + "] = [__proxy__](Me,[__data__],\"" + name + "\")",
1512 "\tOn Error Goto 0",
1517 buffer.push("End Class")
1518 var body = buffer.join("\r\n")
1519 var className =VBClassPool[body]
1521 className = generateID("VBClass")
1522 window.parseVB("Class " + className + body)
1524 "Function " + className + "Factory(a, b)", //创建实例并传入两个关键的参数
1526 "\tSet o = (New " + className + ")(a, b)",
1527 "\tSet " + className + "Factory = o",
1530 VBClassPool[body] = className
1532 var ret = window[className + "Factory"](accessors, VBMediator) //得到其产品
1538 /*********************************************************************
1539 * 监控数组(与ms-each, ms-repeat配合使用) *
1540 **********************************************************************/
1542 function arrayFactory(model) {
1544 array.$id = generateID()
1545 array.$model = model //数据模型
1547 array.$events[subscribers] = []
1548 array._ = modelFactory({
1549 length: model.length
1551 array._.$watch("length", function (a, b) {
1552 array.$fire("length", a, b)
1554 for (var i in EventBus) {
1555 array[i] = EventBus[i]
1557 avalon.mix(array, arrayPrototype)
1561 function mutateArray(method, pos, n, index, method2, pos2, n2) {
1562 var oldLen = this.length, loop = 2
1566 /* jshint ignore:start */
1567 var array = this.$model.slice(pos, pos + n).map(function (el) {
1568 if (rcomplexType.test(avalon.type(el))) {
1569 return el.$id ? el : modelFactory(el, 0, el)
1574 /* jshint ignore:end */
1575 _splice.apply(this, [pos, 0].concat(array))
1576 this._fire("add", pos, n)
1579 var ret = this._splice(pos, n)
1580 this._fire("del", pos, n)
1591 this._fire("index", index)
1592 if (this.length !== oldLen) {
1593 this._.length = this.length
1598 var _splice = ap.splice
1599 var arrayPrototype = {
1601 _fire: function (method, a, b) {
1602 fireDependencies(this.$events[subscribers], method, a, b)
1604 size: function () { //取得数组长度,这个函数可以同步视图,length不能
1605 return this._.length
1607 pushArray: function (array) {
1608 var m = array.length, n = this.length
1610 ap.push.apply(this.$model, array)
1611 mutateArray.call(this, "add", n, m, Math.max(0, n - 1))
1616 //http://jsperf.com/closure-with-arguments
1618 var i, n = arguments.length
1619 for (i = 0; i < n; i++) {
1620 array[i] = arguments[i]
1622 return this.pushArray(array)
1624 unshift: function () {
1625 var m = arguments.length, n = this.length
1627 ap.unshift.apply(this.$model, arguments)
1628 mutateArray.call(this, "add", 0, m, 0)
1630 return m + n //IE67的unshift不会返回长度
1632 shift: function () {
1634 var el = this.$model.shift()
1635 mutateArray.call(this, "del", 0, 1, 0)
1636 return el //返回被移除的元素
1642 var el = this.$model.pop()
1643 mutateArray.call(this, "del", n - 1, 1, Math.max(0, n - 2))
1644 return el //返回被移除的元素
1647 splice: function (start) {
1648 var m = arguments.length, args = [], change
1649 var removed = _splice.apply(this.$model, arguments)
1650 if (removed.length) { //如果用户删掉了元素
1651 args.push("del", start, removed.length, 0)
1654 if (m > 2) { //如果用户添加了元素
1656 args.splice(3, 1, 0, "add", start, m - 2)
1658 args.push("add", start, m - 2, 0)
1662 if (change) { //返回被移除的元素
1663 return mutateArray.apply(this, args)
1668 contains: function (el) { //判定是否包含
1669 return this.indexOf(el) !== -1
1671 remove: function (el) { //移除第一个等于给定值的元素
1672 return this.removeAt(this.indexOf(el))
1674 removeAt: function (index) { //移除指定索引上的元素
1676 this.$model.splice(index, 1)
1677 return mutateArray.call(this, "del", index, 1, 0)
1681 clear: function () {
1682 this.$model.length = this.length = this._.length = 0 //清空数组
1683 this._fire("clear", 0)
1686 removeAll: function (all) { //移除N个元素
1687 if (Array.isArray(all)) {
1688 for (var i = this.length - 1; i >= 0; i--) {
1689 if (all.indexOf(this[i]) !== -1) {
1693 } else if (typeof all === "function") {
1694 for ( i = this.length - 1; i >= 0; i--) {
1704 ensure: function (el) {
1705 if (!this.contains(el)) { //只有不存在才push
1710 set: function (index, val) {
1712 var valueType = avalon.type(val)
1713 if (val && val.$model) {
1716 var target = this[index]
1717 if (valueType === "object") {
1718 for (var i in val) {
1719 if (target.hasOwnProperty(i)) {
1723 } else if (valueType === "array") {
1724 target.clear().push.apply(target, val)
1725 } else if (target !== val) {
1727 this.$model[index] = val
1728 this._fire("set", index, val)
1734 //相当于原来bindingExecutors.repeat 的index分支
1735 function resetIndex(array, pos) {
1736 var last = array.length - 1
1737 for (var el; el = array[pos]; pos++) {
1739 el.$first = pos === 0
1740 el.$last = pos === last
1744 function sortByIndex(array, indexes) {
1746 for (var i = 0, n = indexes.length; i < n; i++) {
1747 map[i] = array[i] // preserve
1758 "sort,reverse".replace(rword, function (method) {
1759 arrayPrototype[method] = function () {
1760 var newArray = this.$model//这是要排序的新数组
1761 var oldArray = newArray.concat() //保持原来状态的旧数组
1762 var mask = Math.random()
1765 ap[method].apply(newArray, arguments) //排序
1766 for (var i = 0, n = oldArray.length; i < n; i++) {
1767 var neo = newArray[i]
1768 var old = oldArray[i]
1769 if (isEqual(neo, old)) {
1772 var index = oldArray.indexOf(neo)
1773 indexes.push(index)//得到新数组的每个元素在旧数组对应的位置
1774 oldArray[index] = mask //屏蔽已经找过的元素
1779 sortByIndex(this, indexes)
1780 // sortByIndex(this.$proxy, indexes)
1781 this._fire("move", indexes)
1782 this._fire("index", 0)
1789 /*********************************************************************
1791 **********************************************************************/
1793 var dependencyDetection = (function () {
1794 var outerFrames = []
1797 begin: function (accessorObject) {
1798 //accessorObject为一个拥有callback的对象
1799 outerFrames.push(currentFrame)
1800 currentFrame = accessorObject
1803 currentFrame = outerFrames.pop()
1805 collectDependency: function (vmodel, accessor) {
1807 //被dependencyDetection.begin调用
1808 currentFrame.callback(vmodel, accessor);
1813 //将绑定对象注入到其依赖项的订阅数组中
1814 var ronduplex = /^(duplex|on)$/
1815 avalon.injectBinding = function (data) {
1816 var valueFn = data.evaluator
1817 if (valueFn) { //如果是求值函数
1818 dependencyDetection.begin({
1819 callback: function (vmodel, dependency) {
1820 injectDependency(vmodel.$events[dependency._name], data)
1824 var value = ronduplex.test(data.type) ? data : valueFn.apply(0, data.args)
1825 if(value === void 0){
1826 delete data.evaluator
1828 data.handler(value, data.element, data)
1830 //log("warning:exception throwed in [avalon.injectBinding] " + e)
1831 delete data.evaluator
1832 var node = data.element
1833 if (node.nodeType === 3) {
1834 var parent = node.parentNode
1835 if (kernel.commentInterpolate) {
1836 parent.replaceChild(DOC.createComment(data.value), node)
1838 node.data = openTag + (data.oneTime ? "::" : "") + data.value + closeTag
1842 dependencyDetection.end()
1847 //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
1848 function injectDependency(list, data) {
1851 if (list && avalon.Array.ensure(list, data) && data.element) {
1852 injectDisposeQueue(data, list)
1856 //通知依赖于这个访问器的订阅者更新自身
1857 function fireDependencies(list) {
1858 if (list && list.length) {
1859 if (new Date() - beginTime > 444 && typeof list[0] === "object") {
1860 rejectDisposeQueue()
1862 var args = aslice.call(arguments, 1)
1863 for (var i = list.length, fn; fn = list[--i]; ) {
1865 if (el && el.parentNode) {
1867 var valueFn = fn.evaluator
1869 fn.handler.apply(fn, args) //处理监控数组的方法
1870 }else if("$repeat" in fn || !valueFn ){//如果没有eval,先eval
1871 bindingHandlers[fn.type](fn, fn.vmodels)
1872 } else if (fn.type !== "on") { //事件绑定只能由用户触发,不能由程序触发
1873 var value = valueFn.apply(0, fn.args || [])
1874 fn.handler(value, el, fn)
1881 /*********************************************************************
1883 **********************************************************************/
1884 var disposeCount = 0
1885 var disposeQueue = avalon.$$subscribers = []
1886 var beginTime = new Date()
1889 function getUid(obj, makeID) { //IE9+,标准浏览器
1890 if (!obj.uuid && !makeID) {
1891 obj.uuid = ++disposeCount
1892 uuid2Node[obj.uuid] = obj
1896 function getNode(uuid) {
1897 return uuid2Node[uuid]
1900 function injectDisposeQueue(data, list) {
1901 var elem = data.element
1903 if (elem.nodeType !== 1) {
1904 data.uuid = data.type + (data.pos || 0) + "-" + getUid(elem.parentNode)
1906 data.uuid = data.name + "-" + getUid(elem)
1909 var lists = data.lists || (data.lists = [])
1910 avalon.Array.ensure(lists, list)
1911 list.$uuid = list.$uuid || generateID()
1912 if (!disposeQueue[data.uuid]) {
1913 disposeQueue[data.uuid] = 1
1914 disposeQueue.push(data)
1918 function rejectDisposeQueue(data) {
1919 if (avalon.optimize)
1921 var i = disposeQueue.length
1924 var iffishTypes = {}
1926 //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
1927 while (data = disposeQueue[--i]) {
1928 var type = data.type
1929 if (newInfo[type]) {
1937 allTypes.forEach(function (type) {
1938 if (oldInfo[type] !== newInfo[type]) {
1939 iffishTypes[type] = 1
1945 while (data = disposeQueue[--i]) {
1948 if (iffishTypes[data.type] && shouldDispose(data.element)) { //如果它没有在DOM树
1949 disposeQueue.splice(i, 1)
1950 delete disposeQueue[data.uuid]
1951 delete uuid2Node[data.element.uuid]
1952 var lists = data.lists
1953 for (var k = 0, list; list = lists[k++]; ) {
1954 avalon.Array.remove(lists, list)
1955 avalon.Array.remove(list, data)
1962 beginTime = new Date()
1965 function disposeData(data) {
1967 data.rollback && data.rollback()
1968 for (var key in data) {
1973 function shouldDispose(el) {
1974 try {//IE下,如果文本节点脱离DOM树,访问parentNode会报错
1975 if (!el.parentNode) {
1982 return el.msRetain ? 0 : (el.nodeType === 1 ? !root.contains(el) : !avalon.contains(root, el))
1985 /************************************************************************
1986 * HTML处理(parseHTML, innerHTML, clearHTML) *
1987 ************************************************************************/
1988 // We have to close these tags to support XHTML
1990 area: [1, "<map>", "</map>"],
1991 param: [1, "<object>", "</object>"],
1992 col: [2, "<table><colgroup>", "</colgroup></table>"],
1993 legend: [1, "<fieldset>", "</fieldset>"],
1994 option: [1, "<select multiple='multiple'>", "</select>"],
1995 thead: [1, "<table>", "</table>"],
1996 tr: [2, "<table>", "</table>"],
1997 td: [3, "<table><tr>", "</tr></table>"],
1998 g: [1, '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">', '</svg>'],
1999 //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
2000 _default: W3C ? [0, "", ""] : [1, "X<div>", "</div>"] //div可以不用闭合
2002 tagHooks.th = tagHooks.td
2003 tagHooks.optgroup = tagHooks.option
2004 tagHooks.tbody = tagHooks.tfoot = tagHooks.colgroup = tagHooks.caption = tagHooks.thead
2005 String("circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use").replace(rword, function (tag) {
2006 tagHooks[tag] = tagHooks.g //处理SVG
2008 var rtagName = /<([\w:]+)/ //取得其tagName
2009 var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig
2010 var rcreate = W3C ? /[^\d\D]/ : /(<(?:script|link|style|meta|noscript))/ig
2011 var scriptTypes = oneObject(["", "text/javascript", "text/ecmascript", "application/ecmascript", "application/javascript"])
2012 var rnest = /<(?:tb|td|tf|th|tr|col|opt|leg|cap|area)/ //需要处理套嵌关系的标签
2013 var script = DOC.createElement("script")
2014 var rhtml = /<|&#?\w+;/
2015 avalon.parseHTML = function (html) {
2016 var fragment = avalonFragment.cloneNode(false)
2017 if (typeof html !== "string") {
2020 if (!rhtml.test(html)) {
2021 fragment.appendChild(DOC.createTextNode(html))
2024 html = html.replace(rxhtml, "<$1></$2>").trim()
2025 var tag = (rtagName.exec(html) || ["", ""])[1].toLowerCase(),
2027 wrap = tagHooks[tag] || tagHooks._default,
2028 wrapper = cinerator,
2030 if (!W3C) { //fix IE
2031 html = html.replace(rcreate, "<br class=msNoScope>$1") //在link style script等标签之前添加一个补丁
2033 wrapper.innerHTML = wrap[1] + html + wrap[2]
2034 var els = wrapper.getElementsByTagName("script")
2035 if (els.length) { //使用innerHTML生成的script节点不会发出请求与执行text属性
2036 for (var i = 0, el; el = els[i++]; ) {
2037 if (scriptTypes[el.type]) {
2039 neo = script.cloneNode(false) //FF不能省略参数
2040 ap.forEach.call(el.attributes, function (attr) {
2041 if (attr && attr.specified) {
2042 neo[attr.name] = attr.value //复制其属性
2043 neo.setAttribute(attr.name, attr.value)
2045 }) // jshint ignore:line
2047 el.parentNode.replaceChild(neo, el) //替换节点
2051 if (!W3C) { //fix IE
2052 var target = wrap[1] === "X<div>" ? wrapper.lastChild.firstChild : wrapper.lastChild
2053 if (target && target.tagName === "TABLE" && tag !== "tbody") {
2054 //IE6-7处理 <thead> --> <thead>,<tbody>
2055 //<tfoot> --> <tfoot>,<tbody>
2056 //<table> --> <table><tbody></table>
2057 for (els = target.childNodes, i = 0; el = els[i++]; ) {
2058 if (el.tagName === "TBODY" && !el.innerHTML) {
2059 target.removeChild(el)
2064 els = wrapper.getElementsByTagName("br")
2066 while (el = els[--n]) {
2067 if (el.className === "msNoScope") {
2068 el.parentNode.removeChild(el)
2071 for (els = wrapper.all, i = 0; el = els[i++]; ) { //fix VML
2077 //移除我们为了符合套嵌关系而添加的标签
2078 for (i = wrap[0]; i--; wrapper = wrapper.lastChild) {
2080 while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上!
2081 fragment.appendChild(firstChild)
2086 function isVML(src) {
2087 var nodeName = src.nodeName
2088 return nodeName.toLowerCase() === nodeName && src.scopeName && src.outerText === ""
2091 function fixVML(node) {
2092 if (node.currentStyle.behavior !== "url(#default#VML)") {
2093 node.style.behavior = "url(#default#VML)"
2094 node.style.display = "inline-block"
2095 node.style.zoom = 1 //hasLayout
2098 avalon.innerHTML = function (node, html) {
2099 if (!W3C && (!rcreate.test(html) && !rnest.test(html))) {
2101 node.innerHTML = html
2106 var a = this.parseHTML(html)
2107 this.clearHTML(node).appendChild(a)
2109 avalon.clearHTML = function (node) {
2110 node.textContent = ""
2111 while (node.firstChild) {
2112 node.removeChild(node.firstChild)
2117 /*********************************************************************
2119 **********************************************************************/
2121 function hyphen(target) {
2123 return target.replace(/([a-z\d])([A-Z]+)/g, "$1-$2").toLowerCase()
2126 function camelize(target) {
2127 //提前判断,提高getStyle等的效率
2128 if (!target || target.indexOf("-") < 0 && target.indexOf("_") < 0) {
2132 return target.replace(/[-_][^-_]/g, function(match) {
2133 return match.charAt(1).toUpperCase()
2137 var fakeClassListMethods = {
2138 _toString: function() {
2139 var node = this.node
2140 var cls = node.className
2141 var str = typeof cls === "string" ? cls : cls.baseVal
2142 return str.split(/\s+/).join(" ")
2144 _contains: function(cls) {
2145 return (" " + this + " ").indexOf(" " + cls + " ") > -1
2147 _add: function(cls) {
2148 if (!this.contains(cls)) {
2149 this._set(this + " " + cls)
2152 _remove: function(cls) {
2153 this._set((" " + this + " ").replace(" " + cls + " ", " "))
2155 __set: function(cls) {
2157 var node = this.node
2158 if (rsvg.test(node)) {
2159 //SVG元素的className是一个对象 SVGAnimatedString { baseVal="", animVal=""},只能通过set/getAttribute操作
2160 node.setAttribute("class", cls)
2162 node.className = cls
2164 } //toggle存在版本差异,因此不使用它
2167 function fakeClassList(node) {
2168 if (!("classList" in node)) {
2172 for (var k in fakeClassListMethods) {
2173 node.classList[k.slice(1)] = fakeClassListMethods[k]
2176 return node.classList
2180 "add,remove".replace(rword, function(method) {
2181 avalon.fn[method + "Class"] = function(cls) {
2183 //https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26
2184 if (cls && typeof cls === "string" && el && el.nodeType === 1) {
2185 cls.replace(/\S+/g, function(c) {
2186 fakeClassList(el)[method](c)
2193 hasClass: function(cls) {
2194 var el = this[0] || {}
2195 return el.nodeType === 1 && fakeClassList(el).contains(cls)
2197 toggleClass: function(value, stateVal) {
2198 var className, i = 0
2199 var classNames = String(value).split(/\s+/)
2200 var isBool = typeof stateVal === "boolean"
2201 while ((className = classNames[i++])) {
2202 var state = isBool ? stateVal : !this.hasClass(className)
2203 this[state ? "addClass" : "removeClass"](className)
2207 attr: function(name, value) {
2208 if (arguments.length === 2) {
2209 this[0].setAttribute(name, value)
2212 return this[0].getAttribute(name)
2215 data: function(name, value) {
2216 name = "data-" + hyphen(name || "")
2217 switch (arguments.length) {
2219 this.attr(name, value)
2222 var val = this.attr(name)
2223 return parseData(val)
2226 ap.forEach.call(this[0].attributes, function(attr) {
2229 if (!name.indexOf("data-")) {
2230 name = camelize(name.slice(5))
2231 ret[name] = parseData(attr.value)
2238 removeData: function(name) {
2239 name = "data-" + hyphen(name)
2240 this[0].removeAttribute(name)
2243 css: function(name, value) {
2244 if (avalon.isPlainObject(name)) {
2245 for (var i in name) {
2246 avalon.css(this, i, name[i])
2249 var ret = avalon.css(this, name, value)
2251 return ret !== void 0 ? ret : this
2253 position: function() {
2254 var offsetParent, offset,
2263 if (this.css("position") === "fixed") {
2264 offset = elem.getBoundingClientRect()
2266 offsetParent = this.offsetParent() //得到真正的offsetParent
2267 offset = this.offset() // 得到正确的offsetParent
2268 if (offsetParent[0].tagName !== "HTML") {
2269 parentOffset = offsetParent.offset()
2271 parentOffset.top += avalon.css(offsetParent[0], "borderTopWidth", true)
2272 parentOffset.left += avalon.css(offsetParent[0], "borderLeftWidth", true)
2274 // Subtract offsetParent scroll positions
2275 parentOffset.top -= offsetParent.scrollTop()
2276 parentOffset.left -= offsetParent.scrollLeft()
2279 top: offset.top - parentOffset.top - avalon.css(elem, "marginTop", true),
2280 left: offset.left - parentOffset.left - avalon.css(elem, "marginLeft", true)
2283 offsetParent: function() {
2284 var offsetParent = this[0].offsetParent
2285 while (offsetParent && avalon.css(offsetParent, "position") === "static") {
2286 offsetParent = offsetParent.offsetParent;
2288 return avalon(offsetParent || root)
2290 bind: function(type, fn, phase) {
2291 if (this[0]) { //此方法不会链
2292 return avalon.bind(this[0], type, fn, phase)
2295 unbind: function(type, fn, phase) {
2297 avalon.unbind(this[0], type, fn, phase)
2301 val: function(value) {
2303 if (node && node.nodeType === 1) {
2304 var get = arguments.length === 0
2305 var access = get ? ":get" : ":set"
2306 var fn = valHooks[getValType(node) + access]
2308 var val = fn(node, value)
2310 return (node.value || "").replace(/\r/g, "")
2315 return get ? val : this
2319 function parseData(data) {
2321 if (typeof data === "object")
2323 data = data === "true" ? true :
2324 data === "false" ? false :
2325 data === "null" ? null : +data + "" === data ? +data : rbrace.test(data) ? avalon.parseJSON(data) : data
2329 var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
2330 rvalidchars = /^[\],:{}\s]*$/,
2331 rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
2332 rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
2333 rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g
2334 avalon.parseJSON = window.JSON ? JSON.parse : function(data) {
2335 if (typeof data === "string") {
2338 if (rvalidchars.test(data.replace(rvalidescape, "@")
2339 .replace(rvalidtokens, "]")
2340 .replace(rvalidbraces, ""))) {
2341 return (new Function("return " + data))() // jshint ignore:line
2344 avalon.error("Invalid JSON: " + data)
2349 //生成avalon.fn.scrollLeft, avalon.fn.scrollTop方法
2351 scrollLeft: "pageXOffset",
2352 scrollTop: "pageYOffset"
2353 }, function(method, prop) {
2354 avalon.fn[method] = function(val) {
2355 var node = this[0] || {}, win = getWindow(node),
2356 top = method === "scrollTop"
2357 if (!arguments.length) {
2358 return win ? (prop in win) ? win[prop] : root[method] : node[method]
2361 win.scrollTo(!top ? val : avalon(win).scrollLeft(), top ? val : avalon(win).scrollTop())
2369 function getWindow(node) {
2370 return node.window && node.document ? node : node.nodeType === 9 ? node.defaultView || node.parentWindow : false;
2372 //=============================css相关=======================
2373 var cssHooks = avalon.cssHooks = {}
2374 var prefixes = ["", "-webkit-", "-o-", "-moz-", "-ms-"]
2376 "float": W3C ? "cssFloat" : "styleFloat"
2378 avalon.cssNumber = oneObject("columnCount,order,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom")
2380 avalon.cssName = function(name, host, camelCase) {
2384 host = host || root.style
2385 for (var i = 0, n = prefixes.length; i < n; i++) {
2386 camelCase = camelize(prefixes[i] + name)
2387 if (camelCase in host) {
2388 return (cssMap[name] = camelCase)
2393 cssHooks["@:set"] = function(node, name, value) {
2394 try { //node.style.width = NaN;node.style.width = "xxxxxxx";node.style.width = undefine 在旧式IE下会抛异常
2395 node.style[name] = value
2398 if (window.getComputedStyle) {
2399 cssHooks["@:get"] = function(node, name) {
2400 if (!node || !node.style) {
2401 throw new Error("getComputedStyle要求传入一个节点 " + node)
2403 var ret, styles = getComputedStyle(node, null)
2405 ret = name === "filter" ? styles.getPropertyValue(name) : styles[name]
2407 ret = node.style[name] //其他浏览器需要我们手动取内联样式
2412 cssHooks["opacity:get"] = function(node) {
2413 var ret = cssHooks["@:get"](node, "opacity")
2414 return ret === "" ? "1" : ret
2417 var rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i
2418 var rposition = /^(top|right|bottom|left)$/
2419 var ralpha = /alpha\([^)]*\)/i
2420 var ie8 = !! window.XDomainRequest
2421 var salpha = "DXImageTransform.Microsoft.Alpha"
2423 thin: ie8 ? '1px' : '2px',
2424 medium: ie8 ? '3px' : '4px',
2425 thick: ie8 ? '5px' : '6px'
2427 cssHooks["@:get"] = function(node, name) {
2428 //取得精确值,不过它有可能是带em,pc,mm,pt,%等单位
2429 var currentStyle = node.currentStyle
2430 var ret = currentStyle[name]
2431 if ((rnumnonpx.test(ret) && !rposition.test(ret))) {
2432 //①,保存原有的style.left, runtimeStyle.left,
2433 var style = node.style,
2435 rsLeft = node.runtimeStyle.left
2436 //②由于③处的style.left = xxx会影响到currentStyle.left,
2437 //因此把它currentStyle.left放到runtimeStyle.left,
2438 //runtimeStyle.left拥有最高优先级,不会style.left影响
2439 node.runtimeStyle.left = currentStyle.left
2440 //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
2441 //得到单位为px的结果;fontSize的分支见http://bugs.jquery.com/ticket/760
2442 style.left = name === 'fontSize' ? '1em' : (ret || 0)
2443 ret = style.pixelLeft + "px"
2444 //④还原 style.left,runtimeStyle.left
2446 node.runtimeStyle.left = rsLeft
2448 if (ret === "medium") {
2449 name = name.replace("Width", "Style")
2450 //border width 默认值为medium,即使其为0"
2451 if (currentStyle[name] === "none") {
2455 return ret === "" ? "auto" : border[ret] || ret
2457 cssHooks["opacity:set"] = function(node, name, value) {
2458 var style = node.style
2459 var opacity = isFinite(value) && value <= 1 ? "alpha(opacity=" + value * 100 + ")" : ""
2460 var filter = style.filter || "";
2463 //node.filters.alpha.opacity = value * 100
2464 style.filter = (ralpha.test(filter) ?
2465 filter.replace(ralpha, opacity) :
2466 filter + " " + opacity).trim()
2467 if (!style.filter) {
2468 style.removeAttribute("filter")
2471 cssHooks["opacity:get"] = function(node) {
2472 //这是最快的获取IE透明值的方式,不需要动用正则了!
2473 var alpha = node.filters.alpha || node.filters[salpha],
2474 op = alpha && alpha.enabled ? alpha.opacity : 100
2475 return (op / 100) + "" //确保返回的是字符串
2479 "top,left".replace(rword, function(name) {
2480 cssHooks[name + ":get"] = function(node) {
2481 var computed = cssHooks["@:get"](node, name)
2482 return /px$/.test(computed) ? computed :
2483 avalon(node).position()[name] + "px"
2488 position: "absolute",
2489 visibility: "hidden",
2493 var rdisplayswap = /^(none|table(?!-c[ea]).+)/
2495 function showHidden(node, array) {
2496 //http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html
2497 if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0
2498 if (rdisplayswap.test(cssHooks["@:get"](node, "display"))) {
2502 for (var name in cssShow) {
2503 obj[name] = node.style[name]
2504 node.style[name] = cssShow[name]
2508 var parent = node.parentNode
2509 if (parent && parent.nodeType === 1) {
2510 showHidden(parent, array)
2514 "Width,Height".replace(rword, function(name) { //fix 481
2515 var method = name.toLowerCase(),
2516 clientProp = "client" + name,
2517 scrollProp = "scroll" + name,
2518 offsetProp = "offset" + name
2519 cssHooks[method + ":get"] = function(node, which, override) {
2521 if (typeof override === "number") {
2522 boxSizing = override
2524 which = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"]
2525 var ret = node[offsetProp] // border-box 0
2526 if (boxSizing === 2) { // margin-box 2
2527 return ret + avalon.css(node, "margin" + which[0], true) + avalon.css(node, "margin" + which[1], true)
2529 if (boxSizing < 0) { // padding-box -2
2530 ret = ret - avalon.css(node, "border" + which[0] + "Width", true) - avalon.css(node, "border" + which[1] + "Width", true)
2532 if (boxSizing === -4) { // content-box -4
2533 ret = ret - avalon.css(node, "padding" + which[0], true) - avalon.css(node, "padding" + which[1], true)
2537 cssHooks[method + "&get"] = function(node) {
2539 showHidden(node, hidden);
2540 var val = cssHooks[method + ":get"](node)
2541 for (var i = 0, obj; obj = hidden[i++];) {
2543 for (var n in obj) {
2544 if (typeof obj[n] === "string") {
2545 node.style[n] = obj[n]
2551 avalon.fn[method] = function(value) { //会忽视其display
2553 if (arguments.length === 0) {
2554 if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替
2555 return node["inner" + name] || node.document.documentElement[clientProp]
2557 if (node.nodeType === 9) { //取得页面尺寸
2558 var doc = node.documentElement
2559 //FF chrome html.scrollHeight< body.scrollHeight
2560 //IE 标准模式 : html.scrollHeight> body.scrollHeight
2561 //IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点?
2562 return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp])
2564 return cssHooks[method + "&get"](node)
2566 return this.css(method, value)
2569 avalon.fn["inner" + name] = function() {
2570 return cssHooks[method + ":get"](this[0], void 0, -2)
2572 avalon.fn["outer" + name] = function(includeMargin) {
2573 return cssHooks[method + ":get"](this[0], void 0, includeMargin === true ? 2 : 0)
2576 avalon.fn.offset = function() { //取得距离页面左右角的坐标
2582 if (!node || !node.tagName || !node.ownerDocument) {
2585 var doc = node.ownerDocument,
2587 root = doc.documentElement,
2588 win = doc.defaultView || doc.parentWindow
2589 if (!avalon.contains(root, node)) {
2592 //http://hkom.blog1.fc2.com/?mode=m&no=750 body的偏移量是不包含margin的
2593 //我们可以通过getBoundingClientRect来获得元素相对于client的rect.
2594 //http://msdn.microsoft.com/en-us/library/ms536433.aspx
2595 if (node.getBoundingClientRect) {
2596 box = node.getBoundingClientRect() // BlackBerry 5, iOS 3 (original iPhone)
2598 //chrome/IE6: body.scrollTop, firefox/other: root.scrollTop
2599 var clientTop = root.clientTop || body.clientTop,
2600 clientLeft = root.clientLeft || body.clientLeft,
2601 scrollTop = Math.max(win.pageYOffset || 0, root.scrollTop, body.scrollTop),
2602 scrollLeft = Math.max(win.pageXOffset || 0, root.scrollLeft, body.scrollLeft)
2603 // 把滚动距离加到left,top中去。
2604 // 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
2605 // http://msdn.microsoft.com/en-us/library/ms533564(VS.85).aspx
2607 top: box.top + scrollTop - clientTop,
2608 left: box.left + scrollLeft - clientLeft
2612 //==================================val相关============================
2614 function getValType(elem) {
2615 var ret = elem.tagName.toLowerCase()
2616 return ret === "input" && /checkbox|radio/.test(elem.type) ? "checked" : ret
2618 var roption = /^<option(?:\s+\w+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s>]+))?)*\s+value[\s=]/i
2620 "option:get": IEVersion ? function(node) {
2621 //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)
2622 //specified并不可靠,因此通过分析outerHTML判定用户有没有显示定义value
2623 return roption.test(node.outerHTML) ? node.value : node.text.trim()
2624 } : function(node) {
2627 "select:get": function(node, value) {
2628 var option, options = node.options,
2629 index = node.selectedIndex,
2630 getter = valHooks["option:get"],
2631 one = node.type === "select-one" || index < 0,
2632 values = one ? null : [],
2633 max = one ? index + 1 : options.length,
2634 i = index < 0 ? max : one ? index : 0
2635 for (; i < max; i++) {
2637 //旧式IE在reset后不会改变selected,需要改用i === index判定
2638 //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
2639 //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
2640 if ((option.selected || i === index) && !option.disabled) {
2641 value = getter(option)
2645 //收集所有selected值组成数组返回
2651 "select:set": function(node, values, optionSet) {
2652 values = [].concat(values) //强制转换为数组
2653 var getter = valHooks["option:get"]
2654 for (var i = 0, el; el = node.options[i++];) {
2655 if ((el.selected = values.indexOf(getter(el)) > -1)) {
2660 node.selectedIndex = -1
2665 /*********************************************************************
2667 **********************************************************************/
2677 var quote = window.JSON && JSON.stringify || function(str) {
2678 return '"' + str.replace(/[\\\"\x00-\x1f]/g, function(a) {
2680 return typeof c === 'string' ? c :
2681 '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
2686 "break,case,catch,continue,debugger,default,delete,do,else,false",
2687 "finally,for,function,if,in,instanceof,new,null,return,switch,this",
2688 "throw,true,try,typeof,var,void,while,with", /* 关键字*/
2689 "abstract,boolean,byte,char,class,const,double,enum,export,extends",
2690 "final,float,goto,implements,import,int,interface,long,native",
2691 "package,private,protected,public,short,static,super,synchronized",
2692 "throws,transient,volatile", /*保留字*/
2693 "arguments,let,yield,undefined" /* ECMA 5 - use strict*/].join(",")
2694 var rrexpstr = /\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g
2695 var rsplit = /[^\w$]+/g
2696 var rkeywords = new RegExp(["\\b" + keywords.replace(/,/g, '\\b|\\b') + "\\b"].join('|'), 'g')
2697 var rnumber = /\b\d[^,]*/g
2698 var rcomma = /^,+|,+$/g
2699 var variablePool = new Cache(512)
2700 var getVariables = function (code) {
2701 var key = "," + code.trim()
2702 var ret = variablePool.get(key)
2707 .replace(rrexpstr, "")
2708 .replace(rsplit, ",")
2709 .replace(rkeywords, "")
2710 .replace(rnumber, "")
2711 .replace(rcomma, "")
2713 return variablePool.put(key, uniqSet(match))
2717 function addAssign(vars, scope, name, data) {
2719 prefix = " = " + name + "."
2720 for (var i = vars.length, prop; prop = vars[--i]; ) {
2721 if (scope.hasOwnProperty(prop)) {
2722 ret.push(prop + prefix + prop)
2723 data.vars.push(prop)
2724 if (data.type === "duplex") {
2725 vars.get = name + "." + prop
2733 function uniqSet(array) {
2736 for (var i = 0; i < array.length; i++) {
2738 var id = el && typeof el.$id === "string" ? el.$id : el
2740 unique[id] = ret.push(el)
2746 var evaluatorPool = new Cache(128)
2748 var rduplex = /\w\[.*\]|\w\.\w/
2749 var rproxy = /(\$proxy\$[a-z]+)\d+$/
2750 var rthimRightParentheses = /\)\s*$/
2751 var rthimOtherParentheses = /\)\s*\|/g
2752 var rquoteFilterName = /\|\s*([$\w]+)/g
2753 var rpatchBracket = /"\s*\["/g
2754 var rthimLeftParentheses = /"\s*\(/g
2755 function parseFilter(val, filters) {
2757 .replace(rthimRightParentheses, "")//处理最后的小括号
2758 .replace(rthimOtherParentheses, function () {//处理其他小括号
2761 .replace(rquoteFilterName, function (a, b) { //处理|及它后面的过滤器的名字
2762 return "[" + quote(b)
2764 .replace(rpatchBracket, function () {
2767 .replace(rthimLeftParentheses, function () {
2770 return "return avalon.filters.$filter(" + val + ", " + filters + ")"
2773 function parseExpr(code, scopes, data) {
2774 var dataType = data.type
2775 var filters = data.filters || ""
2776 var exprId = scopes.map(function (el) {
2777 return String(el.$id).replace(rproxy, "$1")
2778 }) + code + dataType + filters
2779 var vars = getVariables(code).concat(),
2784 //args 是一个对象数组, names 是将要生成的求值函数的参数
2785 scopes = uniqSet(scopes)
2787 for (var i = 0, sn = scopes.length; i < sn; i++) {
2789 var name = "vm" + expose + "_" + i
2791 args.push(scopes[i])
2792 assigns.push.apply(assigns, addAssign(vars, scopes[i], name, data))
2795 if (!assigns.length && dataType === "duplex") {
2798 if (dataType !== "duplex" && (code.indexOf("||") > -1 || code.indexOf("&&") > -1)) {
2799 //https://github.com/RubyLouvre/avalon/issues/583
2800 data.vars.forEach(function (v) {
2801 var reg = new RegExp("\\b" + v + "(?:\\.\\w+|\\[\\w+\\])+", "ig")
2802 code = code.replace(reg, function (_) {
2803 var c = _.charAt(v.length)
2804 var r = IEVersion ? code.slice(arguments[1] + _.length) : RegExp.rightContext
2805 var method = /^\s*\(/.test(r)
2806 if (c === "." || c === "[" || method) {//比如v为aa,我们只匹配aa.bb,aa[cc],不匹配aaa.xxx
2807 var name = "var" + String(Math.random()).replace(/^0\./, "")
2808 if (method) {//array.size()
2809 var array = _.split(".")
2810 if (array.length > 2) {
2811 var last = array.pop()
2812 assigns.push(name + " = " + array.join("."))
2813 return name + "." + last
2818 assigns.push(name + " = " + _)
2826 //---------------args----------------
2828 //---------------cache----------------
2830 var fn = evaluatorPool.get(exprId) //直接从缓存,免得重复生成
2835 prefix = assigns.join(", ")
2837 prefix = "var " + prefix
2839 if (/\S/.test(filters)) { //文本绑定,双工绑定才有过滤器
2840 if (!/text|html/.test(data.type)) {
2841 throw Error("ms-" + data.type + "不支持过滤器")
2843 code = "\nvar ret" + expose + " = " + code + ";\r\n"
2844 code += parseFilter("ret" + expose, filters)
2845 } else if (dataType === "duplex") { //双工绑定
2846 var _body = "'use strict';\nreturn function(vvv){\n\t" +
2848 ";\n\tif(!arguments.length){\n\t\treturn " +
2850 "\n\t}\n\t" + (!rduplex.test(code) ? vars.get : code) +
2853 fn = Function.apply(noop, names.concat(_body))
2854 data.evaluator = evaluatorPool.put(exprId, fn)
2856 log("debug: parse error," + e.message)
2859 } else if (dataType === "on") { //事件绑定
2860 if (code.indexOf("(") === -1) {
2861 code += ".call(this, $event)"
2863 code = code.replace("(", ".call(this,")
2865 names.push("$event")
2866 code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;")
2867 var lastIndex = code.lastIndexOf("\nreturn")
2868 var header = code.slice(0, lastIndex)
2869 var footer = code.slice(lastIndex)
2870 code = header + "\n" + footer
2872 code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;")
2875 fn = Function.apply(noop, names.concat("'use strict';\n" + prefix + code))
2876 data.evaluator = evaluatorPool.put(exprId, fn)
2878 log("debug: parse error," + e.message)
2880 vars = assigns = names = null //释放内存
2887 function parseExprProxy(code, scopes, data, tokens, noRegister) {
2888 if (Array.isArray(tokens)) {
2889 code = tokens.map(function (el) {
2890 return el.expr ? "(" + el.value + ")" : quote(el.value)
2893 parseExpr(code, scopes, data)
2894 if (data.evaluator && !noRegister) {
2895 data.handler = bindingExecutors[data.handlerName || data.type]
2897 //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
2899 avalon.injectBinding(data)
2902 avalon.parseExprProxy = parseExprProxy
2903 /*********************************************************************
2905 **********************************************************************/
2907 avalon.scan = function(elem, vmodel) {
2909 var vmodels = vmodel ? [].concat(vmodel) : []
2910 scanTag(elem, vmodels)
2913 //http://www.w3.org/TR/html5/syntax.html#void-elements
2914 var stopScan = oneObject("area,base,basefont,br,col,command,embed,hr,img,input,link,meta,param,source,track,wbr,noscript,script,style,textarea".toUpperCase())
2916 function checkScan(elem, callback, innerHTML) {
2917 var id = setTimeout(function() {
2918 var currHTML = elem.innerHTML
2920 if (currHTML === innerHTML) {
2923 checkScan(elem, callback, currHTML)
2929 function createSignalTower(elem, vmodel) {
2930 var id = elem.getAttribute("avalonctrl") || vmodel.$id
2931 elem.setAttribute("avalonctrl", id)
2932 vmodel.$events.expr = elem.tagName + '[avalonctrl="' + id + '"]'
2935 var getBindingCallback = function(elem, name, vmodels) {
2936 var callback = elem.getAttribute(name)
2938 for (var i = 0, vm; vm = vmodels[i++]; ) {
2939 if (vm.hasOwnProperty(callback) && typeof vm[callback] === "function") {
2946 function executeBindings(bindings, vmodels) {
2947 for (var i = 0, data; data = bindings[i++]; ) {
2948 data.vmodels = vmodels
2949 bindingHandlers[data.type](data, vmodels)
2950 if (data.evaluator && data.element && data.element.nodeType === 1) { //移除数据绑定,防止被二次解析
2951 //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
2952 data.element.removeAttribute(data.name)
2958 //https://github.com/RubyLouvre/avalon/issues/636
2959 var mergeTextNodes = IEVersion && window.MutationObserver ? function (elem) {
2960 var node = elem.firstChild, text
2962 var aaa = node.nextSibling
2963 if (node.nodeType === 3) {
2965 text.nodeValue += node.nodeValue
2966 elem.removeChild(node)
2976 var roneTime = /^\s*::/
2977 var rmsAttr = /ms-(\w+)-?(.*)/
2989 var events = oneObject("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit")
2990 var obsoleteAttrs = oneObject("value,title,alt,checked,selected,disabled,readonly,enabled")
2991 function bindingSorter(a, b) {
2992 return a.priority - b.priority
2995 function scanAttr(elem, vmodels, match) {
2997 if (vmodels.length) {
2998 var attributes = getAttributes ? getAttributes(elem) : elem.attributes
3002 for (var i = 0, attr; attr = attributes[i++]; ) {
3003 if (attr.specified) {
3004 if (match = attr.name.match(rmsAttr)) {
3007 var param = match[2] || ""
3008 var value = attr.value
3009 var name = attr.name
3013 } else if (obsoleteAttrs[type]) {
3014 if (type === "enabled") {//吃掉ms-enabled绑定,用ms-disabled代替
3015 log("warning!ms-enabled或ms-attr-enabled已经被废弃")
3017 value = "!(" + value + ")"
3021 name = "ms-" + type + "-"+ param
3022 fixAttrs.push([attr.name, name, value])
3024 msData[name] = value
3025 if (typeof bindingHandlers[type] === "function") {
3026 var newValue = value.replace(roneTime, "")
3027 var oneTime = value !== newValue
3035 uuid: name+"-"+getUid(elem),
3036 //chrome与firefox下Number(param)得到的值不一样 #855
3037 priority: (priorityMap[type] || type.charCodeAt(0) * 10 )+ (Number(param.replace(/\D/g, "")) || 0)
3039 if (type === "html" || type === "text") {
3040 var token = getToken(value)
3041 avalon.mix(binding, token)
3042 binding.filters = binding.filters.replace(rhasHtml, function () {
3043 binding.type = "html"
3046 })// jshint ignore:line
3047 } else if (type === "duplex") {
3048 var hasDuplex = name
3049 } else if (name === "ms-if-loop") {
3050 binding.priority += 100
3052 bindings.push(binding)
3053 if (type === "widget") {
3054 elem.msData = elem.msData || msData
3060 if (bindings.length) {
3061 bindings.sort(bindingSorter)
3062 fixAttrs.forEach(function (arr) {
3063 log("warning!请改用" + arr[1] + "代替" + arr[0] + "!")
3064 elem.removeAttribute(arr[0])
3065 elem.setAttribute(arr[1], arr[2])
3067 //http://bugs.jquery.com/ticket/7071
3068 //在IE下对VML读取type属性,会让此元素所有属性都变成<Failed>
3070 if (msData["ms-attr-checked"]) {
3071 log("warning!一个控件不能同时定义ms-attr-checked与" + hasDuplex)
3073 if (msData["ms-attr-value"]) {
3074 log("warning!一个控件不能同时定义ms-attr-value与" + hasDuplex)
3077 for (i = 0; binding = bindings[i]; i++) {
3079 if (rnoscanAttrBinding.test(type)) {
3080 return executeBindings(bindings.slice(0, i + 1), vmodels)
3081 } else if (scanNode) {
3082 scanNode = !rnoscanNodeBinding.test(type)
3085 executeBindings(bindings, vmodels)
3088 if (scanNode && !stopScan[elem.tagName] && rbind.test(elem.innerHTML.replace(rlt, "<").replace(rgt, ">"))) {
3089 mergeTextNodes && mergeTextNodes(elem)
3090 scanNodeList(elem, vmodels) //扫描子孙元素
3093 var rnoscanAttrBinding = /^if|widget|repeat$/
3094 var rnoscanNodeBinding = /^each|with|html|include$/
3095 //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,
3096 //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
3098 var attrPool = new Cache(512)
3099 var rattrs = /\s+(ms-[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g,
3101 rtag = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/i,
3103 //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
3104 //<body><section>ddd</section></body>
3105 // window.onload = function() {
3106 // var body = document.body
3107 // for (var i = 0, el; el = body.children[i++]; ) {
3108 // avalon.log(el.outerHTML)
3111 //依次输出<SECTION>, </SECTION>
3112 var getAttributes = function (elem) {
3113 var html = elem.outerHTML
3114 //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
3115 if (html.slice(0, 2) === "</" || !html.trim()) {
3118 var str = html.match(rtag)[0]
3119 var attributes = [],
3122 var ret = attrPool.get(str)
3126 while (k = rattrs.exec(str)) {
3129 v = (rquote.test(v) ? v.slice(1, -1) : v).replace(ramp, "&")
3131 var name = k[1].toLowerCase()
3132 match = name.match(rmsAttr)
3138 attributes.push(binding)
3140 return attrPool.put(str, attributes)
3144 function scanNodeList(parent, vmodels) {
3145 var nodes = avalon.slice(parent.childNodes)
3146 scanNodeArray(nodes, vmodels)
3149 function scanNodeArray(nodes, vmodels) {
3150 for (var i = 0, node; node = nodes[i++];) {
3151 switch (node.nodeType) {
3153 scanTag(node, vmodels) //扫描元素节点
3154 if (node.msCallback) {
3156 node.msCallback = void 0
3160 if(rexpr.test(node.nodeValue)){
3161 scanText(node, vmodels, i) //扫描文本节点
3169 function scanTag(elem, vmodels, node) {
3170 //扫描顺序 ms-skip(0) --> ms-important(1) --> ms-controller(2) --> ms-if(10) --> ms-repeat(100)
3171 //--> ms-if-loop(110) --> ms-attr(970) ...--> ms-each(1400)-->ms-with(1500)--〉ms-duplex(2000)垫后
3172 var a = elem.getAttribute("ms-skip")
3173 //#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
3174 if (!elem.getAttributeNode) {
3175 return log("warning " + elem.tagName + " no getAttributeNode method")
3177 var b = elem.getAttributeNode("ms-important")
3178 var c = elem.getAttributeNode("ms-controller")
3179 if (typeof a === "string") {
3181 } else if (node = b || c) {
3182 var newVmodel = avalon.vmodels[node.value]
3186 //ms-important不包含父VM,ms-controller相反
3187 vmodels = node === b ? [newVmodel] : [newVmodel].concat(vmodels)
3188 var name = node.name
3189 elem.removeAttribute(name) //removeAttributeNode不会刷新[ms-controller]样式规则
3190 avalon(elem).removeClass(name)
3191 createSignalTower(elem, newVmodel)
3193 scanAttr(elem, vmodels) //扫描特性节点
3195 var rhasHtml = /\|\s*html(?:\b|$)/,
3199 rstringLiteral = /(['"])(\\\1|.)+?\1/g
3200 function getToken(value) {
3201 if (value.indexOf("|") > 0) {
3202 var scapegoat = value.replace(rstringLiteral, function (_) {
3203 return Array(_.length + 1).join("1")// jshint ignore:line
3205 var index = scapegoat.replace(r11a, "\u1122\u3344").indexOf("|") //干掉所有短路或
3208 filters: value.slice(index),
3209 value: value.slice(0, index),
3221 function scanExpr(str) {
3226 stop = str.indexOf(openTag, start)
3230 value = str.slice(start, stop)
3231 if (value) { // {{ 左边的文本
3238 start = stop + openTag.length
3239 stop = str.indexOf(closeTag, start)
3243 value = str.slice(start, stop)
3244 if (value) { //处理{{ }}插值表达式
3245 tokens.push(getToken(value, start))
3247 start = stop + closeTag.length
3249 value = str.slice(start)
3250 if (value) { //}} 右边的文本
3260 function scanText(textNode, vmodels, index) {
3262 tokens = scanExpr(textNode.data)
3263 if (tokens.length) {
3264 for (var i = 0; token = tokens[i++]; ) {
3265 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
3267 token.value = token.value.replace(roneTime, function () {
3268 token.oneTime = true
3272 token.element = node
3273 token.filters = token.filters.replace(rhasHtml, function (a, b,c) {
3276 })// jshint ignore:line
3277 token.pos = index * 1000 + i
3278 bindings.push(token) //收集带有插值表达式的文本
3280 avalonFragment.appendChild(node)
3282 textNode.parentNode.replaceChild(avalonFragment, textNode)
3283 if (bindings.length)
3284 executeBindings(bindings, vmodels)
3288 var bools = ["autofocus,autoplay,async,allowTransparency,checked,controls",
3289 "declare,disabled,defer,defaultChecked,defaultSelected",
3290 "contentEditable,isMap,loop,multiple,noHref,noResize,noShade",
3291 "open,readOnly,selected"
3294 bools.replace(rword, function(name) {
3295 boolMap[name.toLowerCase()] = name
3298 var propMap = { //属性名映射
3299 "accept-charset": "acceptCharset",
3302 "class": "className",
3304 "http-equiv": "httpEquiv"
3307 var anomaly = ["accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan",
3308 "dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight",
3309 "rowSpan,tabIndex,useMap,vSpace,valueType,vAlign"
3311 anomaly.replace(rword, function(name) {
3312 propMap[name.toLowerCase()] = name
3315 var rnoscripts = /<noscript.*?>(?:[\s\S]+?)<\/noscript>/img
3316 var rnoscriptText = /<noscript.*?>([\s\S]+?)<\/noscript>/im
3318 var getXHR = function() {
3319 return new(window.XMLHttpRequest || ActiveXObject)("Microsoft.XMLHTTP") // jshint ignore:line
3322 var templatePool = avalon.templateCache = {}
3324 bindingHandlers.attr = function(data, vmodels) {
3325 var text = data.value.trim(),
3327 if (text.indexOf(openTag) > -1 && text.indexOf(closeTag) > 2) {
3329 if (rexpr.test(text) && RegExp.rightContext === "" && RegExp.leftContext === "") {
3334 if (data.type === "include") {
3335 var elem = data.element
3336 data.includeRendered = getBindingCallback(elem, "data-include-rendered", vmodels)
3337 data.includeLoaded = getBindingCallback(elem, "data-include-loaded", vmodels)
3338 var outer = data.includeReplace = !! avalon(elem).data("includeReplace")
3339 if (avalon(elem).data("includeCache")) {
3340 data.templateCache = {}
3342 data.startInclude = DOC.createComment("ms-include")
3343 data.endInclude = DOC.createComment("ms-include-end")
3345 data.element = data.startInclude
3346 elem.parentNode.insertBefore(data.startInclude, elem)
3347 elem.parentNode.insertBefore(data.endInclude, elem.nextSibling)
3349 elem.insertBefore(data.startInclude, elem.firstChild)
3350 elem.appendChild(data.endInclude)
3353 data.handlerName = "attr" //handleName用于处理多种绑定共用同一种bindingExecutor的情况
3354 parseExprProxy(text, vmodels, data, (simple ? 0 : scanExpr(data.value)))
3357 bindingExecutors.attr = function(val, elem, data) {
3358 var method = data.type,
3359 attrName = data.param
3360 if (method === "css") {
3361 avalon(elem).css(attrName, val)
3362 } else if (method === "attr") {
3364 // ms-attr-class="xxx" vm.xxx="aaa bbb ccc"将元素的className设置为aaa bbb ccc
3365 // ms-attr-class="xxx" vm.xxx=false 清空元素的所有类名
3366 // ms-attr-name="yyy" vm.yyy="ooo" 为元素设置name属性
3367 var toRemove = (val === false) || (val === null) || (val === void 0)
3369 if (!W3C && propMap[attrName]) { //旧式IE下需要进行名字映射
3370 attrName = propMap[attrName]
3372 var bool = boolMap[attrName]
3373 if (typeof elem[bool] === "boolean") {
3374 elem[bool] = !! val //布尔属性必须使用el.xxx = true|false方式设值
3375 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
3380 return elem.removeAttribute(attrName)
3382 //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
3383 var isInnate = rsvg.test(elem) ? false : (DOC.namespaces && isVML(elem)) ? true : attrName in elem.cloneNode(false)
3385 elem[attrName] = val+""
3387 elem.setAttribute(attrName, val)
3389 } else if (method === "include" && val) {
3390 var vmodels = data.vmodels
3391 var rendered = data.includeRendered
3392 var loaded = data.includeLoaded
3393 var replace = data.includeReplace
3394 var target = replace ? elem.parentNode : elem
3395 var scanTemplate = function(text) {
3397 var newText = loaded.apply(target, [text].concat(vmodels))
3398 if (typeof newText === "string")
3402 checkScan(target, function() {
3403 rendered.call(target)
3406 var lastID = data.includeLastID
3407 if (data.templateCache && lastID && lastID !== val) {
3408 var lastTemplate = data.templateCache[lastID]
3409 if (!lastTemplate) {
3410 lastTemplate = data.templateCache[lastID] = DOC.createElement("div")
3411 ifGroup.appendChild(lastTemplate)
3414 data.includeLastID = val
3416 var node = data.startInclude.nextSibling
3417 if (node && node !== data.endInclude) {
3418 target.removeChild(node)
3420 lastTemplate.appendChild(node)
3425 var dom = getTemplateNodes(data, val, text)
3426 var nodes = avalon.slice(dom.childNodes)
3427 target.insertBefore(dom, data.endInclude)
3428 scanNodeArray(nodes, vmodels)
3431 if (data.param === "src") {
3432 if (typeof templatePool[val] === "string") {
3433 avalon.nextTick(function() {
3434 scanTemplate(templatePool[val])
3436 } else if (Array.isArray(templatePool[val])) { //#805 防止在循环绑定中发出许多相同的请求
3437 templatePool[val].push(scanTemplate)
3440 xhr.onreadystatechange = function() {
3441 if (xhr.readyState === 4) {
3443 if (s >= 200 && s < 300 || s === 304 || s === 1223) {
3444 var text = xhr.responseText
3445 for (var f = 0, fn; fn = templatePool[val][f++];) {
3448 templatePool[val] = text
3452 templatePool[val] = [scanTemplate]
3453 xhr.open("GET", val, true)
3454 if ("withCredentials" in xhr) {
3455 xhr.withCredentials = true
3457 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")
3461 //IE系列与够新的标准浏览器支持通过ID取得元素(firefox14+)
3462 //http://tjvantoll.com/2012/07/19/dom-element-references-as-global-variables/
3463 var el = val && val.nodeType === 1 ? val : DOC.getElementById(val)
3465 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
3466 xhr = getXHR() //IE9-11与chrome的innerHTML会得到转义的内容,它们的innerText可以
3467 xhr.open("GET", location, false) //谢谢Nodejs 乱炖群 深圳-纯属虚构
3469 //http://bbs.csdn.net/topics/390349046?page=1#post-393492653
3470 var noscripts = DOC.getElementsByTagName("noscript")
3471 var array = (xhr.responseText || "").match(rnoscripts) || []
3472 var n = array.length
3473 for (var i = 0; i < n; i++) {
3474 var tag = noscripts[i]
3475 if (tag) { //IE6-8中noscript标签的innerHTML,innerText是只读的
3476 tag.style.display = "none" //http://haslayout.net/css/noscript-Ghost-Bug
3477 tag.fixIE78 = (array[i].match(rnoscriptText) || ["", " "])[1]
3481 avalon.nextTick(function() {
3482 scanTemplate(el.fixIE78 || el.value || el.innerText || el.innerHTML)
3487 if (!root.hasAttribute && typeof val === "string" && (method === "src" || method === "href")) {
3488 val = val.replace(/&/g, "&") //处理IE67自动转义的问题
3491 if (window.chrome && elem.tagName === "EMBED") {
3492 var parent = elem.parentNode //#525 chrome1-37下embed标签动态设置src不能发生请求
3493 var comment = document.createComment("ms-src")
3494 parent.replaceChild(comment, elem)
3495 parent.replaceChild(elem, comment)
3500 function getTemplateNodes(data, id, text) {
3501 var div = data.templateCache && data.templateCache[id]
3503 var dom = DOC.createDocumentFragment(),
3505 while (firstChild = div.firstChild) {
3506 dom.appendChild(firstChild)
3510 return avalon.parseHTML(text)
3513 //这几个指令都可以使用插值表达式,如ms-src="aaa/{{b}}/{{c}}.html"
3514 "title,alt,src,value,css,include,href".replace(rword, function(name) {
3515 bindingHandlers[name] = bindingHandlers.attr
3517 //根据VM的属性值或表达式的值切换类名,ms-class="xxx yyy zzz:flag"
3518 //http://www.cnblogs.com/rubylouvre/archive/2012/12/17/2818540.html
3519 bindingHandlers["class"] = function(data, vmodels) {
3520 var oldStyle = data.param,
3523 data.handlerName = "class"
3524 if (!oldStyle || isFinite(oldStyle)) {
3525 data.param = "" //去掉数字
3526 var noExpr = text.replace(rexprg, function(a) {
3527 return a.replace(/./g, "0")
3528 //return Math.pow(10, a.length - 1) //将插值表达式插入10的N-1次方来占位
3530 var colonIndex = noExpr.indexOf(":") //取得第一个冒号的位置
3531 if (colonIndex === -1) { // 比如 ms-class="aaa bbb ccc" 的情况
3532 var className = text
3533 } else { // 比如 ms-class-1="ui-state-active:checked" 的情况
3534 className = text.slice(0, colonIndex)
3535 rightExpr = text.slice(colonIndex + 1)
3536 parseExpr(rightExpr, vmodels, data) //决定是添加还是删除
3537 if (!data.evaluator) {
3538 log("debug: ms-class '" + (rightExpr || "").trim() + "' 不存在于VM中")
3541 data._evaluator = data.evaluator
3542 data._args = data.args
3545 var hasExpr = rexpr.test(className) //比如ms-class="width{{w}}"的情况
3547 data.immobileClass = className
3549 parseExprProxy("", vmodels, data, (hasExpr ? scanExpr(className) : 0))
3551 data.immobileClass = data.oldStyle = data.param
3552 parseExprProxy(text, vmodels, data)
3556 bindingExecutors["class"] = function(val, elem, data) {
3557 var $elem = avalon(elem),
3559 if (method === "class" && data.oldStyle) { //如果是旧风格
3560 $elem.toggleClass(data.oldStyle, !! val)
3563 data.toggleClass = data._evaluator ? !! data._evaluator.apply(elem, data._args) : true
3564 data.newClass = data.immobileClass || val
3565 if (data.oldClass && data.newClass !== data.oldClass) {
3566 $elem.removeClass(data.oldClass)
3568 data.oldClass = data.newClass
3571 $elem.toggleClass(data.newClass, data.toggleClass)
3575 if (!data.hasBindEvent) { //确保只绑定一次
3576 var activate = "mouseenter" //在移出移入时切换类名
3577 var abandon = "mouseleave"
3578 if (method === "active") { //在聚焦失焦中切换类名
3579 elem.tabIndex = elem.tabIndex || -1
3580 activate = "mousedown"
3582 var fn0 = $elem.bind("mouseleave", function() {
3583 data.toggleClass && $elem.removeClass(data.newClass)
3586 var fn1 = $elem.bind(activate, function() {
3587 data.toggleClass && $elem.addClass(data.newClass)
3589 var fn2 = $elem.bind(abandon, function() {
3590 data.toggleClass && $elem.removeClass(data.newClass)
3592 data.rollback = function() {
3593 $elem.unbind("mouseleave", fn0)
3594 $elem.unbind(activate, fn1)
3595 $elem.unbind(abandon, fn2)
3597 data.hasBindEvent = true
3604 "hover,active".replace(rword, function(method) {
3605 bindingHandlers[method] = bindingHandlers["class"]
3607 //ms-controller绑定已经在scanTag 方法中实现
3608 //ms-css绑定已由ms-attr绑定实现
3611 // bindingHandlers.data 定义在if.js
3612 bindingExecutors.data = function(val, elem, data) {
3613 var key = "data-" + data.param
3614 if (val && typeof val === "object") {
3617 elem.setAttribute(key, String(val))
3621 var duplexBinding = bindingHandlers.duplex = function(data, vmodels) {
3622 var elem = data.element,
3624 parseExprProxy(data.value, vmodels, data, 0, 1)
3626 data.changed = getBindingCallback(elem, "data-duplex-changed", vmodels) || noop
3627 if (data.evaluator && data.args) {
3629 var casting = oneObject("string,number,boolean,checked")
3630 if (elem.type === "radio" && data.param === "") {
3631 data.param = "checked"
3634 elem.msData["ms-duplex"] = data.value
3636 data.param.replace(/\w+/g, function(name) {
3637 if (/^(checkbox|radio)$/.test(elem.type) && /^(radio|checked)$/.test(name)) {
3638 if (name === "radio")
3639 log("ms-duplex-radio已经更名为ms-duplex-checked")
3641 data.isChecked = true
3643 if (name === "bool") {
3645 log("ms-duplex-bool已经更名为ms-duplex-boolean")
3646 } else if (name === "text") {
3648 log("ms-duplex-text已经更名为ms-duplex-string")
3650 if (casting[name]) {
3653 avalon.Array.ensure(params, name)
3656 params.push("string")
3658 data.param = params.join("-")
3659 data.bound = function(type, callback) {
3660 if (elem.addEventListener) {
3661 elem.addEventListener(type, callback, false)
3663 elem.attachEvent("on" + type, callback)
3665 var old = data.rollback
3666 data.rollback = function() {
3667 elem.avalonSetter = null
3668 avalon.unbind(elem, type, callback)
3672 for (var i in avalon.vmodels) {
3673 var v = avalon.vmodels[i]
3674 v.$fire("avalon-ms-duplex-init", data)
3676 var cpipe = data.pipe || (data.pipe = pipe)
3677 cpipe(null, data, "init")
3678 var tagName = elem.tagName
3679 duplexBinding[tagName] && duplexBinding[tagName](elem, data.evaluator.apply(null, data.args), data)
3682 //不存在 bindingExecutors.duplex
3684 function fixNull(val) {
3685 return val == null ? "" : val
3687 avalon.duplexHooks = {
3689 get: function(val, data) {
3690 return !data.element.oldValue
3694 get: function(val) { //同步到VM
3700 get: function(val) {
3701 return val === "true"
3706 get: function(val, data) {
3707 var number = parseFloat(val)
3708 if (-val === -number) {
3711 var arr = /strong|medium|weak/.exec(data.element.getAttribute("data-duplex-number")) || ["medium"]
3716 return val === "" ? "" : 0
3725 function pipe(val, data, action, e) {
3726 data.param.replace(/\w+/g, function(name) {
3727 var hook = avalon.duplexHooks[name]
3728 if (hook && typeof hook[action] === "function") {
3729 val = hook[action](val, data)
3735 var TimerID, ribbon = []
3737 avalon.tick = function(fn) {
3738 if (ribbon.push(fn) === 1) {
3739 TimerID = setInterval(ticker, 60)
3744 for (var n = ribbon.length - 1; n >= 0; n--) {
3746 if (el() === false) {
3750 if (!ribbon.length) {
3751 clearInterval(TimerID)
3755 var watchValueInTimer = noop
3756 var rmsinput = /text|password|hidden/
3757 new function() { // jshint ignore:line
3758 try { //#272 IE9-IE11, firefox
3760 var aproto = HTMLInputElement.prototype
3761 var bproto = HTMLTextAreaElement.prototype
3762 function newSetter(value) { // jshint ignore:line
3763 setters[this.tagName].call(this, value)
3764 if (rmsinput.test(this.type) && !this.msFocus && this.avalonSetter) {
3768 var inputProto = HTMLInputElement.prototype
3769 Object.getOwnPropertyNames(inputProto) //故意引发IE6-8等浏览器报错
3770 setters["INPUT"] = Object.getOwnPropertyDescriptor(aproto, "value").set
3772 Object.defineProperty(aproto, "value", {
3775 setters["TEXTAREA"] = Object.getOwnPropertyDescriptor(bproto, "value").set
3776 Object.defineProperty(bproto, "value", {
3780 //在chrome 43中 ms-duplex终于不需要使用定时器实现双向绑定了
3781 // http://updates.html5rocks.com/2015/04/DOM-attributes-now-on-the-prototype
3782 // https://docs.google.com/document/d/1jwA8mtClwxI-QJuHT7872Z0pxpZz8PBkf2bGAbsUtqs/edit?pli=1
3783 watchValueInTimer = avalon.tick
3785 } // jshint ignore:line
3787 avalon.bind(DOC, "selectionchange", function(e) {
3788 var el = DOC.activeElement
3789 if (el && typeof el.avalonSetter === "function") {
3795 //处理radio, checkbox, text, textarea, password
3796 duplexBinding.INPUT = function(element, evaluator, data) {
3797 var $type = element.type,
3799 $elem = avalon(element),
3802 function callback(value) {
3803 data.changed.call(this, value, data)
3806 function compositionStart() {
3810 function compositionEnd() {
3813 //当value变化时改变model的值
3814 var updateVModel = function() {
3815 if (composing) //处理中文输入法在minlengh下引发的BUG
3817 var val = element.oldValue = element.value //防止递归调用形成死循环
3818 var lastValue = data.pipe(val, data, "get")
3819 if ($elem.data("duplexObserve") !== false) {
3820 evaluator(lastValue)
3821 callback.call(element, lastValue)
3822 if ($elem.data("duplex-focus")) {
3823 avalon.nextTick(function() {
3829 //当model变化时,它就会改变value的值
3830 data.handler = function() {
3831 var val = data.pipe(evaluator(), data, "set") + "" //fix #673
3832 if (val !== element.oldValue) {
3836 if (data.isChecked || $type === "radio") {
3837 var IE6 = IEVersion === 6
3838 updateVModel = function() {
3839 if ($elem.data("duplexObserve") !== false) {
3840 var lastValue = data.pipe(element.value, data, "get")
3841 evaluator(lastValue)
3842 callback.call(element, lastValue)
3845 data.handler = function() {
3846 var val = evaluator()
3847 var checked = data.isChecked ? !! val : val + "" === element.value
3848 element.oldValue = checked
3850 setTimeout(function() {
3851 //IE8 checkbox, radio是使用defaultChecked控制选中状态,
3852 //并且要先设置defaultChecked后设置checked
3854 element.defaultChecked = checked
3855 element.checked = checked
3858 element.checked = checked
3861 bound("click", updateVModel)
3862 } else if ($type === "checkbox") {
3863 updateVModel = function() {
3864 if ($elem.data("duplexObserve") !== false) {
3865 var method = element.checked ? "ensure" : "remove"
3866 var array = evaluator()
3867 if (!Array.isArray(array)) {
3868 log("ms-duplex应用于checkbox上要对应一个数组")
3871 var val = data.pipe(element.value, data, "get")
3872 avalon.Array[method](array, val)
3873 callback.call(element, array)
3877 data.handler = function() {
3878 var array = [].concat(evaluator()) //强制转换为数组
3879 var val = data.pipe(element.value, data, "get")
3880 element.checked = array.indexOf(val) > -1
3882 bound(W3C ? "change" : "click", updateVModel)
3884 var events = element.getAttribute("data-duplex-event") || "input"
3885 if (element.attributes["data-event"]) {
3886 log("data-event指令已经废弃,请改用data-duplex-event")
3889 function delay(e) { // jshint ignore:line
3890 setTimeout(function() {
3894 events.replace(rword, function(name) {
3897 if (!IEVersion) { // W3C
3898 bound("input", updateVModel)
3900 bound("compositionstart", compositionStart)
3901 bound("compositionend", compositionEnd)
3902 bound("DOMAutoComplete", updateVModel)
3903 } else { //onpropertychange事件无法区分是程序触发还是用户触发
3904 // 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
3905 if (IEVersion > 8) {
3906 bound("input", updateVModel) //IE9使用propertychange无法监听中文输入改动
3908 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
3909 if (e.propertyName === "value") {
3914 bound("dragend", delay)
3915 //http://www.cnblogs.com/rubylouvre/archive/2013/02/17/2914604.html
3916 //http://www.matts411.com/post/internet-explorer-9-oninput/
3920 bound(name, updateVModel)
3924 bound("focus", function() {
3925 element.msFocus = true
3927 bound("blur", function() {
3928 element.msFocus = false
3931 if (rmsinput.test($type)) {
3932 watchValueInTimer(function() {
3933 if (root.contains(element)) {
3934 if (!element.msFocus && element.oldValue !== element.value) {
3937 } else if (!element.msRetain) {
3943 element.avalonSetter = updateVModel //#765
3946 element.oldValue = element.value
3947 avalon.injectBinding(data)
3948 callback.call(element, element.value)
3950 duplexBinding.TEXTAREA = duplexBinding.INPUT
3951 duplexBinding.SELECT = function(element, evaluator, data) {
3952 var $elem = avalon(element)
3954 function updateVModel() {
3955 if ($elem.data("duplexObserve") !== false) {
3956 var val = $elem.val() //字符串或字符串数组
3957 if (Array.isArray(val)) {
3958 val = val.map(function(v) {
3959 return data.pipe(v, data, "get")
3962 val = data.pipe(val, data, "get")
3964 if (val + "" !== element.oldValue) {
3967 data.changed.call(element, val, data)
3970 data.handler = function() {
3971 var val = evaluator()
3972 val = val && val.$model || val
3973 if (Array.isArray(val)) {
3974 if (!element.multiple) {
3975 log("ms-duplex在<select multiple=true>上要求对应一个数组")
3978 if (element.multiple) {
3979 log("ms-duplex在<select multiple=false>不能对应一个数组")
3983 val = Array.isArray(val) ? val.map(String) : val + ""
3984 if (val + "" !== element.oldValue) {
3986 element.oldValue = val + ""
3989 data.bound("change", updateVModel)
3990 element.msCallback = function() {
3991 avalon.injectBinding(data)
3992 data.changed.call(element, evaluator(), data)
3995 // bindingHandlers.html 定义在if.js
3996 bindingExecutors.html = function (val, elem, data) {
3997 var isHtmlFilter = elem.nodeType !== 1
3998 var parent = isHtmlFilter ? elem.parentNode : elem
4001 val = val == null ? "" : val
4002 if (data.oldText !== val) {
4007 if (elem.nodeType === 3) {
4008 var signature = generateID("html")
4009 parent.insertBefore(DOC.createComment(signature), elem)
4010 data.element = DOC.createComment(signature + ":end")
4011 parent.replaceChild(data.element, elem)
4014 if (typeof val !== "object") {//string, number, boolean
4015 var fragment = avalon.parseHTML(String(val))
4016 } else if (val.nodeType === 11) { //将val转换为文档碎片
4018 } else if (val.nodeType === 1 || val.item) {
4019 var nodes = val.nodeType === 1 ? val.childNodes : val.item
4020 fragment = avalonFragment.cloneNode(true)
4022 fragment.appendChild(nodes[0])
4026 nodes = avalon.slice(fragment.childNodes)
4027 //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
4029 var endValue = elem.nodeValue.slice(0, -4)
4031 var node = elem.previousSibling
4032 if (!node || node.nodeType === 8 && node.nodeValue === endValue) {
4035 parent.removeChild(node)
4038 parent.insertBefore(fragment, elem)
4040 avalon.clearHTML(elem).appendChild(fragment)
4042 scanNodeArray(nodes, data.vmodels)
4044 bindingHandlers["if"] =
4045 bindingHandlers.data =
4046 bindingHandlers.text =
4047 bindingHandlers.html =
4048 function(data, vmodels) {
4049 parseExprProxy(data.value, vmodels, data)
4052 bindingExecutors["if"] = function(val, elem, data) {
4054 if(!elem.parentNode) return
4057 if (elem.nodeType === 8) {
4058 elem.parentNode.replaceChild(data.template, elem)
4059 // animate.enter(data.template, elem.parentNode)
4060 elem = data.element = data.template //这时可能为null
4062 if (elem.getAttribute(data.name)) {
4063 elem.removeAttribute(data.name)
4064 scanAttr(elem, data.vmodels)
4066 data.rollback = null
4067 } else { //移出DOM树,并用注释节点占据原位置
4068 if (elem.nodeType === 1) {
4069 var node = data.element = DOC.createComment("ms-if")
4070 elem.parentNode.replaceChild(node, elem)
4071 // animate.leave(elem, node.parentNode, node)
4072 data.template = elem //元素节点
4073 ifGroup.appendChild(elem)
4074 data.rollback = function() {
4075 if (elem.parentNode === ifGroup) {
4076 ifGroup.removeChild(elem)
4082 //ms-important绑定已经在scanTag 方法中实现
4083 //ms-include绑定已由ms-attr绑定实现
4085 var rdash = /\(([^)]*)\)/
4086 bindingHandlers.on = function(data, vmodels) {
4087 var value = data.value
4089 var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
4090 if (typeof bindingHandlers.on[eventType + "Hook"] === "function") {
4091 bindingHandlers.on[eventType + "Hook"](data)
4093 if (value.indexOf("(") > 0 && value.indexOf(")") > -1) {
4094 var matched = (value.match(rdash) || ["", ""])[1].trim()
4095 if (matched === "" || matched === "$event") { // aaa() aaa($event)当成aaa处理
4096 value = value.replace(rdash, "")
4099 parseExprProxy(value, vmodels, data)
4102 bindingExecutors.on = function(callback, elem, data) {
4103 callback = function(e) {
4104 var fn = data.evaluator || noop
4105 return fn.apply(this, data.args.concat(e))
4107 var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10
4108 if (eventType === "scan") {
4109 callback.call(elem, {
4112 } else if (typeof data.specialBind === "function") {
4113 data.specialBind(elem, callback)
4115 var removeFn = avalon.bind(elem, eventType, callback)
4117 data.rollback = function() {
4118 if (typeof data.specialUnbind === "function") {
4119 data.specialUnbind()
4121 avalon.unbind(elem, eventType, removeFn)
4125 bindingHandlers.repeat = function (data, vmodels) {
4126 var type = data.type
4127 parseExprProxy(data.value, vmodels, data, 0, 1)
4131 var $repeat = data.$repeat = data.evaluator.apply(0, data.args || [])
4132 var xtype = avalon.type($repeat)
4133 if (xtype !== "object" && xtype !== "array") {
4135 avalon.log("warning:" + data.value + "只能是对象或数组")
4140 var arr = data.value.split(".") || []
4141 if (arr.length > 1) {
4144 for (var i = 0, v; v = vmodels[i++]; ) {
4145 if (v && v.hasOwnProperty(n)) {
4146 var events = v[n].$events || {}
4147 events[subscribers] = events[subscribers] || []
4148 events[subscribers].push(data)
4154 var elem = data.element
4155 if (elem.nodeType === 1) {
4156 elem.removeAttribute(data.name)
4157 data.sortedCallback = getBindingCallback(elem, "data-with-sorted", vmodels)
4158 data.renderedCallback = getBindingCallback(elem, "data-" + type + "-rendered", vmodels)
4159 var signature = generateID(type)
4160 var start = DOC.createComment(signature)
4161 var end = DOC.createComment(signature + ":end")
4162 data.signature = signature
4163 data.template = avalonFragment.cloneNode(false)
4164 if (type === "repeat") {
4165 var parent = elem.parentNode
4166 parent.replaceChild(end, elem)
4167 parent.insertBefore(start, end)
4168 data.template.appendChild(elem)
4170 while (elem.firstChild) {
4171 data.template.appendChild(elem.firstChild)
4173 elem.appendChild(start)
4174 elem.appendChild(end)
4177 data.handler = bindingExecutors.repeat
4178 data.rollback = function () {
4179 var elem = data.element
4182 data.handler("clear")
4193 if (Array.isArray($repeat)) {
4198 for (i = 0; v = vmodels[i++]; ) {
4199 if (v.hasOwnProperty(check0) && v.hasOwnProperty(check1)) {
4204 var $events = $repeat.$events
4205 var $list = ($events || {})[subscribers]
4206 injectDependency($list, data)
4207 if (xtype === "object") {
4209 $repeat.$proxy || ($repeat.$proxy = {})
4210 data.handler("append", $repeat)
4211 } else if ($repeat.length) {
4212 data.handler("add", 0, $repeat.length)
4216 bindingExecutors.repeat = function (method, pos, el) {
4217 if (!method && this.$with) {
4222 var data = this, start, fragment
4223 var end = data.element
4224 var comments = getComments(data)
4225 var parent = end.parentNode
4226 var proxies = data.proxies
4227 var transation = avalonFragment.cloneNode(false)
4229 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)
4232 for (var i = pos; i < n; i++) {
4233 var proxy = eachProxyAgent(i, data)
4234 proxies.splice(i, 0, proxy)
4235 shimController(data, transation, proxy, fragments)
4237 var now = new Date() - 0
4238 avalon.optimize = avalon.optimize || now
4239 for (i = 0; fragment = fragments[i++]; ) {
4240 scanNodeArray(fragment.nodes, fragment.vmodels)
4241 fragment.nodes = fragment.vmodels = null
4243 if (avalon.optimize === now) {
4244 avalon.optimize = null
4246 parent.insertBefore(transation, comments[pos] || end)
4247 avalon.profile("插入操作花费了 " + (new Date - now))
4249 case "del": //将pos后的el个元素删掉(pos, el都是数字)
4250 sweepNodes(comments[pos], comments[pos + el] || end)
4251 var removed = proxies.splice(pos, el)
4252 recycleProxies(removed, "each")
4257 sweepNodes(start, end)
4259 parent.insertBefore(start, end)
4262 recycleProxies(proxies, "each")
4267 var signature = start.nodeValue
4271 sweepNodes(start, end, function () {
4273 if (this.nodeValue === signature) {
4278 sortByIndex(rooms, pos)
4279 sortByIndex(proxies, pos)
4280 while (room = rooms.shift()) {
4281 while (node = room.shift()) {
4282 transation.appendChild(node)
4285 parent.insertBefore(transation, end)
4288 case "index": //将proxies中的第pos个起的所有元素重新索引
4289 var last = proxies.length - 1
4290 for (; el = proxies[pos]; pos++) {
4292 el.$first = pos === 0
4293 el.$last = pos === last
4296 case "set": //将proxies中的第pos个元素的VM设置为el(pos为数字,el任意)
4297 proxy = proxies[pos]
4299 fireDependencies(proxy.$events[data.param || "el"])
4303 var object = data.$repeat //原来第2参数, 被循环对象
4304 var oldProxy = object.$proxy //代理对象组成的hash
4306 now = new Date() - 0
4307 avalon.optimize = avalon.optimize || now
4308 if (flag === "update") {
4309 if (!data.evaluator) {
4310 parseExprProxy(data.value, data.vmodels, data, 0, 1)
4312 object = data.$repeat = data.evaluator.apply(0, data.args || [])
4313 object.$proxy = oldProxy
4315 var pool = object.$proxy || {}
4317 var nodes = data.element.parentNode.childNodes
4319 for (i = 0; node = nodes[i++]; ) {
4320 if (node.nodeValue === data.signature) {
4322 } else if (node.nodeValue === data.signature + ":end") {
4330 var indexNode = [], item
4331 var keyIndex = data.keyIndex || (data.keyIndex = {})
4333 for ( i = 0; i < removed.length; i++) {
4335 if (el.nodeValue === data.signature) {
4336 item = avalonFragment.cloneNode(false)
4337 indexNode.push(item)
4339 item.appendChild(el)
4343 for (var key in object) { //当前对象的所有键名
4344 if (object.hasOwnProperty(key) && key !== "hasOwnProperty" && key !== "$proxy") {
4349 for (var i = 0; key = keys[i++]; ) {
4350 if (!pool.hasOwnProperty(key)) {//添加缺失的代理VM
4351 pool[key] = withProxyAgent(pool[key], key, data)
4353 pool[key].$val = object[key]
4357 for ( key in pool) {
4358 if (keys.indexOf(key) === -1) {//删除没用的代理VM
4359 proxyRecycler(pool[key], withProxyPool) //去掉之前的代理VM
4364 var renderKeys = keys //需要渲染到DOM树去的键名
4365 var end = data.element
4366 if (data.sortedCallback) { //如果有回调,则让它们排序
4367 var keys2 = data.sortedCallback.call(parent, keys)
4368 if (keys2 && Array.isArray(keys2)) {
4373 for (i = 0; i < renderKeys.length; i++) {
4375 if (typeof keyIndex[key] === "number") {
4376 transation.appendChild(indexNode[keyIndex[key]])
4379 shimController(data, transation, pool[key], fragments)
4383 for (i = 0; i < renderKeys.length; i++) {
4384 keyIndex[renderKeys[i]] = i
4387 for (i = 0; fragment = fragments[i++]; ) {
4388 if (fragment.nodes) {
4389 scanNodeArray(fragment.nodes, fragment.vmodels)
4390 fragment.nodes = fragment.vmodels = null
4393 if (avalon.optimize === now) {
4394 avalon.optimize = null
4396 parent.insertBefore(transation, end)
4397 avalon.profile("插入操作花费了 " + (new Date - now))
4400 if (!data.$repeat || data.$repeat.hasOwnProperty("$lock")) //IE6-8 VBScript对象会报错, 有时候data.$repeat不存在
4402 if (method === "clear")
4404 var callback = data.renderedCallback || noop,
4406 if (parent.oldValue && parent.tagName === "SELECT") { //fix #503
4407 avalon(parent).val(parent.oldValue.split(","))
4409 callback.apply(parent, args)
4412 "with,each".replace(rword, function (name) {
4413 bindingHandlers[name] = bindingHandlers.repeat
4416 function shimController(data, transation, proxy, fragments) {
4417 var content = data.template.cloneNode(true)
4418 var nodes = avalon.slice(content.childNodes)
4419 content.insertBefore(DOC.createComment(data.signature), content.firstChild)
4420 transation.appendChild(content)
4421 var nv = [proxy].concat(data.vmodels)
4426 fragments.push(fragment)
4429 function getComments(data) {
4431 var nodes = data.element.parentNode.childNodes
4432 for(var i= 0, node; node = nodes[i++];){
4433 if(node.nodeValue === data.signature){
4435 }else if(node.nodeValue === data.signature+":end"){
4443 //移除掉start与end之间的节点(保留end)
4444 function sweepNodes(start, end, callback) {
4446 var node = end.previousSibling
4449 node.parentNode.removeChild(node)
4450 callback && callback.call(node)
4451 if (node === start) {
4457 // 为ms-each,ms-with, ms-repeat会创建一个代理VM,
4458 // 通过它们保持一个下上文,让用户能调用$index,$first,$last,$remove,$key,$val,$outer等属性与方法
4459 // 所有代理VM的产生,消费,收集,存放通过xxxProxyFactory,xxxProxyAgent, recycleProxies,xxxProxyPool实现
4460 var withProxyPool = []
4461 function withProxyFactory() {
4462 var proxy = modelFactory({
4468 return this.$host[this.$key]
4470 set: function (val) {
4471 this.$host[this.$key] = val
4477 proxy.$id = generateID("$proxy$with")
4481 function withProxyAgent(proxy, key, data) {
4482 proxy = proxy || withProxyPool.pop()
4484 proxy = withProxyFactory()
4486 proxy.$reinitialize()
4488 var host = data.$repeat
4491 proxy.$outer = data.$outer
4493 proxy.$events.$val = host.$events[key]
4501 function recycleProxies(proxies) {
4502 eachProxyRecycler(proxies)
4504 function eachProxyRecycler(proxies) {
4505 proxies.forEach(function (proxy) {
4506 proxyRecycler(proxy, eachProxyPool)
4512 var eachProxyPool = []
4513 function eachProxyFactory(name) {
4520 $remove: avalon.noop
4524 var e = this.$events
4525 var array = e.$index
4526 e.$index = e[name] //#817 通过$index为el收集依赖
4528 return this.$host[this.$index]
4533 set: function (val) {
4535 var e = this.$events
4536 var array = e.$index
4538 this.$host.set(this.$index, val)
4549 var proxy = modelFactory(source, second)
4550 proxy.$id = generateID("$proxy$each")
4554 function eachProxyAgent(index, data) {
4555 var param = data.param || "el",
4557 for (var i = 0, n = eachProxyPool.length; i < n; i++) {
4558 var candidate = eachProxyPool[i]
4559 if (candidate && candidate.hasOwnProperty(param)) {
4561 eachProxyPool.splice(i, 1)
4565 proxy = eachProxyFactory(param)
4567 var host = data.$repeat
4568 var last = host.length - 1
4569 proxy.$index = index
4570 proxy.$first = index === 0
4571 proxy.$last = index === last
4573 proxy.$outer = data.$outer
4574 proxy.$remove = function () {
4575 return host.removeAt(proxy.$index)
4581 function proxyRecycler(proxy, proxyPool) {
4582 for (var i in proxy.$events) {
4583 if (Array.isArray(proxy.$events[i])) {
4584 proxy.$events[i].forEach(function (data) {
4585 if (typeof data === "object")
4587 })// jshint ignore:line
4588 proxy.$events[i].length = 0
4591 proxy.$host = proxy.$outer = {}
4592 if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) {
4596 /*********************************************************************
4598 **********************************************************************/
4599 //ms-skip绑定已经在scanTag 方法中实现
4600 // bindingHandlers.text 定义在if.js
4601 bindingExecutors.text = function(val, elem) {
4602 val = val == null ? "" : val //不在页面上显示undefined null
4603 if (elem.nodeType === 3) { //绑定在文本节点上
4604 try { //IE对游离于DOM树外的节点赋值会报错
4608 if ("textContent" in elem) {
4609 elem.textContent = val
4611 elem.innerText = val
4615 function parseDisplay(nodeName, val) {
4616 //用于取得此类标签的默认display值
4617 var key = "_" + nodeName
4618 if (!parseDisplay[key]) {
4619 var node = DOC.createElement(nodeName)
4620 root.appendChild(node)
4622 val = getComputedStyle(node, null).display
4624 val = node.currentStyle.display
4626 root.removeChild(node)
4627 parseDisplay[key] = val
4629 return parseDisplay[key]
4632 avalon.parseDisplay = parseDisplay
4634 bindingHandlers.visible = function(data, vmodels) {
4635 var elem = data.element
4636 var display = elem.style.display
4637 if(display === "none"){
4638 display = parseDisplay(elem.nodeName)
4640 data.display = display
4641 parseExprProxy(data.value, vmodels, data)
4644 bindingExecutors.visible = function(val, elem, data) {
4645 elem.style.display = val ? data.display : "none"
4647 bindingHandlers.widget = function(data, vmodels) {
4648 var args = data.value.match(rword)
4649 var elem = data.element
4650 var widget = args[0]
4652 if (!id || id === "$") { //没有定义或为$时,取组件名+随机数
4653 id = generateID(widget)
4655 var optName = args[2] || widget //没有定义,取组件名
4656 var constructor = avalon.ui[widget]
4657 if (typeof constructor === "function") { //ms-widget="tabs,tabsAAA,optname"
4658 vmodels = elem.vmodels || vmodels
4659 for (var i = 0, v; v = vmodels[i++];) {
4660 if (v.hasOwnProperty(optName) && typeof v[optName] === "object") {
4661 var vmOptions = v[optName]
4662 vmOptions = vmOptions.$model || vmOptions
4667 var wid = vmOptions[widget + "Id"]
4668 if (typeof wid === "string") {
4669 log("warning!不再支持" + widget + "Id")
4673 //抽取data-tooltip-text、data-tooltip-attr属性,组成一个配置对象
4674 var widgetData = avalon.getWidgetData(elem, widget)
4675 data.value = [widget, id, optName].join(",")
4676 data[widget + "Id"] = id
4677 data.evaluator = noop
4678 elem.msData["ms-widget-id"] = id
4679 var options = data[widget + "Options"] = avalon.mix({}, constructor.defaults, vmOptions || {}, widgetData)
4680 elem.removeAttribute("ms-widget")
4681 var vmodel = constructor(elem, data, vmodels) || {} //防止组件不返回VM
4683 avalon.vmodels[id] = vmodel
4684 createSignalTower(elem, vmodel)
4686 vmodel.$init(function() {
4687 avalon.scan(elem, [vmodel].concat(vmodels))
4688 if (typeof options.onInit === "function") {
4689 options.onInit.call(elem, vmodel, options, vmodels)
4693 data.rollback = function() {
4695 vmodel.widgetElement = null
4699 delete avalon.vmodels[vmodel.$id]
4701 injectDisposeQueue(data, widgetList)
4702 if (window.chrome) {
4703 elem.addEventListener("DOMNodeRemovedFromDocument", function() {
4704 setTimeout(rejectDisposeQueue)
4708 avalon.scan(elem, vmodels)
4710 } else if (vmodels.length) { //如果该组件还没有加载,那么保存当前的vmodels
4711 elem.vmodels = vmodels
4715 //不存在 bindingExecutors.widget
4716 /*********************************************************************
4718 **********************************************************************/
4719 var rscripts = /<script[^>]*>([\S\s]*?)<\/script\s*>/gim
4720 var ron = /\s+(on[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g
4721 var ropen = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/ig
4723 a: /\b(href)\=("javascript[^"]*"|'javascript[^']*')/ig,
4724 img: /\b(src)\=("javascript[^"]*"|'javascript[^']*')/ig,
4725 form: /\b(action)\=("javascript[^"]*"|'javascript[^']*')/ig
4727 var rsurrogate = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g
4728 var rnoalphanumeric = /([^\#-~| |!])/g;
4730 function numberFormat(number, decimals, point, thousands) {
4731 //form http://phpjs.org/functions/number_format/
4733 //decimals 可选,规定多少个小数位。
4734 //point 可选,规定用作小数点的字符串(默认为 . )。
4735 //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。
4736 number = (number + '')
4737 .replace(/[^0-9+\-Ee.]/g, '')
4738 var n = !isFinite(+number) ? 0 : +number,
4739 prec = !isFinite(+decimals) ? 3 : Math.abs(decimals),
4740 sep = thousands || ",",
4743 toFixedFix = function(n, prec) {
4744 var k = Math.pow(10, prec)
4745 return '' + (Math.round(n * k) / k)
4748 // Fix for IE parseFloat(0.55).toFixed(0) = 0;
4749 s = (prec ? toFixedFix(n, prec) : '' + Math.round(n))
4751 if (s[0].length > 3) {
4752 s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
4757 s[1] += new Array(prec - s[1].length + 1)
4764 var filters = avalon.filters = {
4765 uppercase: function(str) {
4766 return str.toUpperCase()
4768 lowercase: function(str) {
4769 return str.toLowerCase()
4771 truncate: function(str, length, truncation) {
4772 //length,新字符串长度,truncation,新字符串的结尾的字段,返回新字符串
4773 length = length || 30
4774 truncation = typeof truncation === "string" ? truncation : "..."
4775 return str.length > length ? str.slice(0, length - truncation.length) + truncation : String(str)
4777 $filter: function(val) {
4778 for (var i = 1, n = arguments.length; i < n; i++) {
4779 var array = arguments[i]
4780 var fn = avalon.filters[array.shift()]
4781 if (typeof fn === "function") {
4782 var arr = [val].concat(array)
4783 val = fn.apply(null, arr)
4789 //https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
4790 // <a href="javasc
ript:alert('XSS')">chrome</a>
4791 // <a href="data:text/html;base64, PGltZyBzcmM9eCBvbmVycm9yPWFsZXJ0KDEpPg==">chrome</a>
4792 // <a href="jav ascript:alert('XSS');">IE67chrome</a>
4793 // <a href="jav	ascript:alert('XSS');">IE67chrome</a>
4794 // <a href="jav
ascript:alert('XSS');">IE67chrome</a>
4795 sanitize: function(str) {
4796 return str.replace(rscripts, "").replace(ropen, function(a, b) {
4797 var match = a.toLowerCase().match(/<(\w+)\s/)
4798 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
4799 var reg = rsanitize[match[1]]
4801 a = a.replace(reg, function(s, name, value) {
4802 var quote = value.charAt(0)
4803 return name + "=" + quote + "javascript:void(0)" + quote// jshint ignore:line
4807 return a.replace(ron, " ").replace(/\s+/g, " ") //移除onXXX事件
4810 escape: function(str) {
4811 //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 <
4813 replace(/&/g, '&').
4814 replace(rsurrogate, function(value) {
4815 var hi = value.charCodeAt(0)
4816 var low = value.charCodeAt(1)
4817 return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';'
4819 replace(rnoalphanumeric, function(value) {
4820 return '&#' + value.charCodeAt(0) + ';'
4822 replace(/</g, '<').
4823 replace(/>/g, '>')
4825 currency: function(amount, symbol, fractionSize) {
4826 return (symbol || "\uFFE5") + numberFormat(amount, isFinite(fractionSize) ? fractionSize : 2)
4828 number: numberFormat
4831 'yyyy': 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010)
4832 'yy': 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)
4833 'y': 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199)
4834 'MMMM': Month in year (January-December)
4835 'MMM': Month in year (Jan-Dec)
4836 'MM': Month in year, padded (01-12)
4837 'M': Month in year (1-12)
4838 'dd': Day in month, padded (01-31)
4839 'd': Day in month (1-31)
4840 'EEEE': Day in Week,(Sunday-Saturday)
4841 'EEE': Day in Week, (Sun-Sat)
4842 'HH': Hour in day, padded (00-23)
4843 'H': Hour in day (0-23)
4844 'hh': Hour in am/pm, padded (01-12)
4845 'h': Hour in am/pm, (1-12)
4846 'mm': Minute in hour, padded (00-59)
4847 'm': Minute in hour (0-59)
4848 'ss': Second in minute, padded (00-59)
4849 's': Second in minute (0-59)
4851 'Z': 4 digit (+sign) representation of the timezone offset (-1200-+1200)
4852 format string can also be one of the following predefined localizable formats:
4854 'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale (e.g. Sep 3, 2010 12:05:08 pm)
4855 'short': equivalent to 'M/d/yy h:mm a' for en_US locale (e.g. 9/3/10 12:05 pm)
4856 'fullDate': equivalent to 'EEEE, MMMM d,y' for en_US locale (e.g. Friday, September 3, 2010)
4857 'longDate': equivalent to 'MMMM d, y' for en_US locale (e.g. September 3, 2010
4858 'mediumDate': equivalent to 'MMM d, y' for en_US locale (e.g. Sep 3, 2010)
4859 'shortDate': equivalent to 'M/d/yy' for en_US locale (e.g. 9/3/10)
4860 'mediumTime': equivalent to 'h:mm:ss a' for en_US locale (e.g. 12:05:08 pm)
4861 'shortTime': equivalent to 'h:mm a' for en_US locale (e.g. 12:05 pm)
4863 new function() {// jshint ignore:line
4864 function toInt(str) {
4865 return parseInt(str, 10) || 0
4868 function padNumber(num, digits, trim) {
4875 while (num.length < digits)
4878 num = num.substr(num.length - digits)
4882 function dateGetter(name, size, offset, trim) {
4883 return function(date) {
4884 var value = date["get" + name]()
4885 if (offset > 0 || value > -offset)
4887 if (value === 0 && offset === -12) {
4890 return padNumber(value, size, trim)
4894 function dateStrGetter(name, shortForm) {
4895 return function(date, formats) {
4896 var value = date["get" + name]()
4897 var get = (shortForm ? ("SHORT" + name) : name).toUpperCase()
4898 return formats[get][value]
4902 function timeZoneGetter(date) {
4903 var zone = -1 * date.getTimezoneOffset()
4904 var paddedZone = (zone >= 0) ? "+" : ""
4905 paddedZone += padNumber(Math[zone > 0 ? "floor" : "ceil"](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2)
4910 function ampmGetter(date, formats) {
4911 return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1]
4913 var DATE_FORMATS = {
4914 yyyy: dateGetter("FullYear", 4),
4915 yy: dateGetter("FullYear", 2, 0, true),
4916 y: dateGetter("FullYear", 1),
4917 MMMM: dateStrGetter("Month"),
4918 MMM: dateStrGetter("Month", true),
4919 MM: dateGetter("Month", 2, 1),
4920 M: dateGetter("Month", 1, 1),
4921 dd: dateGetter("Date", 2),
4922 d: dateGetter("Date", 1),
4923 HH: dateGetter("Hours", 2),
4924 H: dateGetter("Hours", 1),
4925 hh: dateGetter("Hours", 2, -12),
4926 h: dateGetter("Hours", 1, -12),
4927 mm: dateGetter("Minutes", 2),
4928 m: dateGetter("Minutes", 1),
4929 ss: dateGetter("Seconds", 2),
4930 s: dateGetter("Seconds", 1),
4931 sss: dateGetter("Milliseconds", 3),
4932 EEEE: dateStrGetter("Day"),
4933 EEE: dateStrGetter("Day", true),
4937 var rdateFormat = /((?:[^yMdHhmsaZE']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z))(.*)/
4938 var raspnetjson = /^\/Date\((\d+)\)\/$/
4939 filters.date = function(date, format) {
4940 var locate = filters.date.locate,
4944 format = format || "mediumDate"
4945 format = locate[format] || format
4946 if (typeof date === "string") {
4947 if (/^\d+$/.test(date)) {
4949 } else if (raspnetjson.test(date)) {
4952 var trimDate = date.trim()
4953 var dateArray = [0, 0, 0, 0, 0, 0, 0]
4954 var oDate = new Date(0)
4956 trimDate = trimDate.replace(/^(\d+)\D(\d+)\D(\d+)/, function(_, a, b, c) {
4957 var array = c.length === 4 ? [c, a, b] : [a, b, c]
4958 dateArray[0] = toInt(array[0]) //年
4959 dateArray[1] = toInt(array[1]) - 1 //月
4960 dateArray[2] = toInt(array[2]) //日
4963 var dateSetter = oDate.setFullYear
4964 var timeSetter = oDate.setHours
4965 trimDate = trimDate.replace(/[T\s](\d+):(\d+):?(\d+)?\.?(\d)?/, function(_, a, b, c, d) {
4966 dateArray[3] = toInt(a) //小时
4967 dateArray[4] = toInt(b) //分钟
4968 dateArray[5] = toInt(c) //秒
4970 dateArray[6] = Math.round(parseFloat("0." + d) * 1000)
4976 trimDate = trimDate.replace(/Z|([+-])(\d\d):?(\d\d)/, function(z, symbol, c, d) {
4977 dateSetter = oDate.setUTCFullYear
4978 timeSetter = oDate.setUTCHours
4980 tzHour = toInt(symbol + c)
4981 tzMin = toInt(symbol + d)
4986 dateArray[3] -= tzHour
4987 dateArray[4] -= tzMin
4988 dateSetter.apply(oDate, dateArray.slice(0, 3))
4989 timeSetter.apply(oDate, dateArray.slice(3))
4993 if (typeof date === "number") {
4994 date = new Date(date)
4996 if (avalon.type(date) !== "date") {
5000 match = rdateFormat.exec(format)
5002 parts = parts.concat(match.slice(1))
5003 format = parts.pop()
5009 parts.forEach(function(value) {
5010 fn = DATE_FORMATS[value]
5011 text += fn ? fn(date, locate) : value.replace(/(^'|'$)/g, "").replace(/''/g, "'")
5052 fullDate: "y年M月d日EEEE",
5054 medium: "yyyy-M-d H:mm:ss",
5055 mediumDate: "yyyy-M-d",
5056 mediumTime: "H:mm:ss",
5057 "short": "yy-M-d ah:mm",
5058 shortDate: "yy-M-d",
5061 locate.SHORTMONTH = locate.MONTH
5062 filters.date.locate = locate
5063 }// jshint ignore:line
5064 /*********************************************************************
5066 **********************************************************************/
5067 //https://www.devbridge.com/articles/understanding-amd-requirejs/
5068 //http://maxogden.com/nested-dependencies.html
5069 var modules = avalon.modules = {
5079 //Object(modules[id]).state拥有如下值
5082 // 2(loading) 已经被执行但还没有执行完成,在这个阶段define方法会被执行
5083 // 3(loaded) 执行完毕,通过onload/onreadystatechange回调判定,在这个阶段checkDeps方法会执行
5084 // 4(execute) 其依赖也执行完毕, 值放到exports对象上,在这个阶段fireFactory方法会执行
5085 modules.exports = modules.avalon
5087 new function () {// jshint ignore:line
5088 var loadings = [] //正在加载中的模块列表
5089 var factorys = [] //放置define方法的factory函数
5090 var rjsext = /\.js$/i
5091 function makeRequest(name, config) {
5094 name = name.replace(/^(\w+)\!/, function (a, b) {
5098 if (res === "ready") {
5099 log("debug: ready!已经被废弃,请使用domReady!")
5102 //2. 去掉querystring, hash
5104 name = name.replace(rquery, function (a) {
5109 var suffix = "." + res
5110 var ext = /js|css/.test(suffix) ? suffix : ""
5111 name = name.replace(/\.[a-z0-9]+$/g, function (a) {
5119 var req = avalon.mix({
5130 function fireRequest(req) {
5133 //1. 如果该模块已经发出请求,直接返回
5134 var module = modules[name]
5135 var urlNoQuery = name && req.urlNoQuery
5136 if (module && module.state >= 1) {
5139 module = modules[urlNoQuery]
5140 if (module && module.state >= 3) {
5141 innerRequire(module.deps || [], module.factory, urlNoQuery)
5144 if (name && !module) {
5145 module = modules[urlNoQuery] = {
5149 var wrap = function (obj) {
5150 resources[res] = obj
5151 obj.load(name, req, function (a) {
5152 if (arguments.length && a !== void 0) {
5160 if (!resources[res]) {
5161 innerRequire([res], wrap)
5163 wrap(resources[res])
5166 return name ? urlNoQuery : res + "!"
5170 var requireQueue = []
5171 var isUserFirstRequire = false
5172 innerRequire = avalon.require = function (array, factory, parentUrl, defineConfig) {
5173 if (!isUserFirstRequire) {
5174 requireQueue.push(avalon.slice(arguments))
5175 if (arguments.length <= 2) {
5176 isUserFirstRequire = true
5177 var queue = requireQueue.splice(0, requireQueue.length), args
5178 while (args = queue.shift()) {
5179 innerRequire.apply(null, args)
5185 if (!Array.isArray(array)) {
5186 avalon.error("require方法的第一个参数应为数组 " + array)
5188 var deps = [] // 放置所有依赖项的完整路径
5190 var id = parentUrl || "callback" + setTimeout("1")// jshint ignore:line
5191 defineConfig = defineConfig || {}
5192 defineConfig.baseUrl = kernel.baseUrl
5193 var isBuilt = !!defineConfig.built
5195 defineConfig.parentUrl = parentUrl.substr(0, parentUrl.lastIndexOf("/"))
5196 defineConfig.mapUrl = parentUrl.replace(rjsext, "")
5199 var req = makeRequest(defineConfig.defineName, defineConfig)
5202 array.forEach(function (name) {
5203 var req = makeRequest(name, defineConfig)
5204 var url = fireRequest(req) //加载资源,并返回该资源的完整地址
5208 uniq[url] = "司徒正美" //去重
5214 var module = modules[id]
5215 if (!module || module.state !== 4) {
5218 deps: isBuilt ? array.concat() : deps,
5219 factory: factory || noop,
5224 //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
5231 innerRequire.define = function (name, deps, factory) { //模块名,依赖列表,模块本身
5232 if (typeof name !== "string") {
5237 if (!Array.isArray(deps)) {
5242 built: !isUserFirstRequire, //用r.js打包后,所有define会放到requirejs之前
5245 var args = [deps, factory, config]
5246 factory.require = function (url) {
5247 args.splice(2, 0, url)
5249 modules[url].state = 3 //loaded
5252 isCycle = checkCycle(modules[url].deps, url)
5256 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")
5259 delete factory.require //释放内存
5260 innerRequire.apply(null, args) //0,1,2 --> 1,2,0
5262 //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。
5263 //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。
5264 //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,
5265 //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。
5266 //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
5267 //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
5268 //亦即,先进入loading阶段的script标签(模块)必然会先进入loaded阶段
5269 var url = config.built ? "unknown" : getCurrentScript()
5271 var module = modules[url]
5275 factory.require(url)
5276 } else {//合并前后的safari,合并后的IE6-9走此分支
5277 factorys.push(factory)
5280 //核心API之三 require.config(settings)
5281 innerRequire.config = kernel
5282 //核心API之四 define.amd 标识其符合AMD规范
5283 innerRequire.define.amd = modules
5285 //==========================对用户配置项进行再加工==========================
5286 var allpaths = kernel["orig.paths"] = {}
5287 var allmaps = kernel["orig.map"] = {}
5288 var allpackages = kernel["packages"] = []
5289 var allargs = kernel["orig.args"] = {}
5290 avalon.mix(plugins, {
5291 paths: function (hash) {
5292 avalon.mix(allpaths, hash)
5293 kernel.paths = makeIndexArray(allpaths)
5295 map: function (hash) {
5296 avalon.mix(allmaps, hash)
5297 var list = makeIndexArray(allmaps, 1, 1)
5298 avalon.each(list, function (_, item) {
5299 item.val = makeIndexArray(item.val)
5303 packages: function (array) {
5304 array = array.concat(allpackages)
5307 for (var i = 0, pkg; pkg = array[i++]; ) {
5308 pkg = typeof pkg === "string" ? {name: pkg} : pkg
5311 var url = joinPath(pkg.location || name, pkg.main || "main")
5312 url = url.replace(rjsext, "")
5314 uniq[name] = pkg.location = url
5315 pkg.reg = makeMatcher(name)
5318 kernel.packages = ret.sort()
5320 urlArgs: function (hash) {
5321 if (typeof hash === "string") {
5324 avalon.mix(allargs, hash)
5325 kernel.urlArgs = makeIndexArray(allargs, 1)
5327 baseUrl: function (url) {
5328 if (!isAbsUrl(url)) {
5329 var baseElement = head.getElementsByTagName("base")[0]
5331 head.removeChild(baseElement)
5333 var node = DOC.createElement("a")
5335 url = getFullUrl(node, "href")
5337 head.insertBefore(baseElement, head.firstChild)
5341 kernel.baseUrl = url
5343 shim: function (obj) {
5344 for (var i in obj) {
5346 if (Array.isArray(value)) {
5351 if (!value.exportsFn && (value.exports || value.init)) {
5352 value.exportsFn = makeExports(value)
5361 //==============================内部方法=================================
5362 function checkCycle(deps, nick) {
5364 for (var i = 0, id; id = deps[i++]; ) {
5365 if (modules[id].state !== 4 &&
5366 (id === nick || checkCycle(modules[id].deps, nick))) {
5372 function checkFail(node, onError, fuckIE) {
5373 var id = trimQuery(node.src) //检测是否死链
5374 node.onload = node.onreadystatechange = node.onerror = null
5375 if (onError || (fuckIE && modules[id] && !modules[id].state)) {
5376 setTimeout(function () {
5377 head.removeChild(node)
5378 node = null // 处理旧式IE下的循环引用问题
5380 log("debug: 加载 " + id + " 失败" + onError + " " + (!modules[id].state))
5386 function checkDeps() {
5387 //检测此JS模块的依赖是否都已安装完毕,是则安装自身
5388 loop: for (var i = loadings.length, id; id = loadings[--i]; ) {
5389 var obj = modules[id],
5393 for (var j = 0, key; key = deps[j]; j++) {
5394 if (Object(modules[key]).state !== 4) {
5398 //如果deps是空对象或者其依赖的模块的状态都是2
5399 if (obj.state !== 4) {
5400 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
5401 fireFactory(obj.id, obj.deps, obj.factory)
5402 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
5407 var rreadyState = /complete|loaded/
5408 function loadJS(url, id, callback) {
5410 var node = DOC.createElement("script")
5411 node.className = subscribers //让getCurrentScript只处理类名为subscribers的script节点
5412 var supportLoad = "onload" in node
5413 var onEvent = supportLoad ? "onload" : "onreadystatechange"
5415 var factory = factorys.pop()
5416 factory && factory.require(id)
5420 if (checkFail(node, false, !supportLoad)) {
5421 log("debug: 已成功加载 " + url)
5422 id && loadings.push(id)
5426 var index = 0, loadID
5427 node[onEvent] = supportLoad ? onload : function () {
5428 if (rreadyState.test(node.readyState)) {
5431 loadID = setTimeout(onload, 500)
5433 clearTimeout(loadID)
5438 node.onerror = function () {
5439 checkFail(node, true)
5442 head.insertBefore(node, head.firstChild) //chrome下第二个参数不能为null
5443 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
5444 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
5447 var resources = innerRequire.plugins = {
5448 //三大常用资源插件 js!, css!, text!, ready!
5453 load: function (name, req, onLoad) {
5455 var id = req.urlNoQuery
5456 var shim = kernel.shim[name.replace(rjsext, "")]
5457 if (shim) { //shim机制
5458 innerRequire(shim.deps || [], function () {
5459 var args = avalon.slice(arguments)
5460 loadJS(url, id, function () {
5461 onLoad(shim.exportsFn ? shim.exportsFn.apply(0, args) : void 0)
5470 load: function (name, req, onLoad) {
5472 var node = DOC.createElement("link")
5473 node.rel = "stylesheet"
5475 head.insertBefore(node, head.firstChild)
5476 log("debug: 已成功加载 " + url)
5481 load: function (name, req, onLoad) {
5484 xhr.onreadystatechange = function () {
5485 if (xhr.readyState === 4) {
5486 var status = xhr.status;
5487 if (status > 399 && status < 600) {
5488 avalon.error(url + " 对应资源不存在或没有开启 CORS")
5490 log("debug: 已成功加载 " + url)
5491 onLoad(xhr.responseText)
5495 var time = "_=" + (new Date() - 0)
5496 var _url = url.indexOf("?") === -1 ? url + "?" + time : url + "&" + time
5497 xhr.open("GET", _url, true)
5498 if ("withCredentials" in xhr) {//这是处理跨域
5499 xhr.withCredentials = true
5501 xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")//告诉后端这是AJAX请求
5503 log("debug: 正准备加载 " + url)
5507 innerRequire.checkDeps = checkDeps
5509 var rquery = /(\?[^#]*)$/
5510 function trimQuery(url) {
5511 return (url || "").replace(rquery, "")
5514 function isAbsUrl(path) {
5515 //http://stackoverflow.com/questions/10687099/how-to-test-if-a-url-string-is-absolute-or-relative
5516 return /^(?:[a-z]+:)?\/\//i.test(String(path))
5519 function getFullUrl(node, src) {
5520 return"1"[0] ? node[src] : node.getAttribute(src, 4)
5523 function getCurrentScript() {
5524 // inspireb by https://github.com/samyk/jiagra/blob/master/jiagra.js
5527 a.b.c() //强制报错,以便捕获e.stack
5528 } catch (e) { //safari5的sourceURL,firefox的fileName,它们的效果与e.stack不一样
5530 if (!stack && window.opera) {
5531 //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
5532 stack = (String(e).match(/of linked script \S+/g) || []).join(" ")
5536 /**e.stack最后一行在所有支持的浏览器大致如下:
5538 * at http://113.93.50.63/data.js:4:1
5540 *@http://113.93.50.63/query.js:4
5541 *opera12:http://www.oldapps.com/opera.php?system=Windows_XP
5542 *@http://113.93.50.63/data.js:4
5544 * at Global code (http://113.93.50.63/data.js:4:1)
5545 * //firefox4+ 可以用document.currentScript
5547 stack = stack.split(/[@ ]/g).pop() //取得最后一行,最后一个空格或@之后的部分
5548 stack = stack[0] === "(" ? stack.slice(1, -1) : stack.replace(/\s/, "") //去掉换行符
5549 return trimQuery(stack.replace(/(:\d+)?:\d+$/i, "")) //去掉行号与或许存在的出错字符起始位置
5551 var nodes = head.getElementsByTagName("script") //只在head标签中寻找
5552 for (var i = nodes.length, node; node = nodes[--i]; ) {
5553 if (node.className === subscribers && node.readyState === "interactive") {
5554 var url = getFullUrl(node, "src")
5555 return node.className = trimQuery(url)
5560 var rcallback = /^callback\d+$/
5561 function fireFactory(id, deps, factory) {
5562 var module = Object(modules[id])
5564 for (var i = 0, array = [], d; d = deps[i++]; ) {
5565 if (d === "exports") {
5566 var obj = module.exports || (module.exports = {})
5569 array.push(modules[d].exports)
5573 var ret = factory.apply(window, array)
5575 log("执行[" + id + "]模块的factory抛错: ", e)
5577 if (ret !== void 0) {
5578 module.exports = ret
5580 if (rcallback.test(id)) {
5583 delete module.factory
5586 function toUrl(id) {
5587 if (id.indexOf(this.res + "!") === 0) {
5588 id = id.slice(this.res.length + 1) //处理define("css!style",[], function(){})的情况
5593 var baseUrl = this.baseUrl
5594 var rootUrl = this.parentUrl || baseUrl
5595 eachIndexArray(id, kernel.paths, function (value, key) {
5596 url = url.replace(key, value)
5599 //2. 是否命中packages配置项
5601 eachIndexArray(id, kernel.packages, function (value, key, item) {
5602 url = url.replace(item.name, item.location)
5607 eachIndexArray(this.mapUrl, kernel.map, function (array) {
5608 eachIndexArray(url, array, function (mdValue, mdKey) {
5609 url = url.replace(mdKey, mdValue)
5615 if (ext && usePath && url.slice(-ext.length) === ext) {
5616 url = url.slice(0, -ext.length)
5619 if (!isAbsUrl(url)) {
5620 rootUrl = this.built || /^\w/.test(url) ? baseUrl : rootUrl
5621 url = joinPath(rootUrl, url)
5624 var urlNoQuery = url + ext
5625 url = urlNoQuery + this.query
5627 eachIndexArray(id, kernel.urlArgs, function (value) {
5628 url += (url.indexOf("?") === -1 ? "?" : "&") + value;
5631 return this.urlNoQuery = urlNoQuery
5634 function makeIndexArray(hash, useStar, part) {
5636 var index = hash2array(hash, useStar, part)
5637 index.sort(descSorterByName)
5641 function makeMatcher(prefix) {
5642 return new RegExp('^' + prefix + '(/|$)')
5645 function makeExports(value) {
5646 return function () {
5649 ret = value.init.apply(window, arguments)
5651 return ret || (value.exports && getGlobal(value.exports))
5656 function hash2array(hash, useStar, part) {
5658 for (var key in hash) {
5659 if (ohasOwn.call(hash, key)) {
5665 item.reg = key === "*" && useStar ? /^/ : makeMatcher(key)
5666 if (part && key !== "*") {
5667 item.reg = new RegExp('\/' + key.replace(/^\//, "") + '(/|$)')
5674 function eachIndexArray(moduleID, array, matcher) {
5676 for (var i = 0, el; el = array[i++]; ) {
5677 if (el.reg.test(moduleID)) {
5678 matcher(el.val, el.name, el)
5683 // 根据元素的name项进行数组字符数逆序的排序函数
5684 function descSorterByName(a, b) {
5693 return bbb.length - aaa.length
5696 var rdeuce = /\/\w+\/\.\./
5697 function joinPath(a, b) {
5698 if (a.charAt(a.length - 1) !== "/") {
5701 if (b.slice(0, 2) === "./") { //相对于兄弟路径
5702 return a + b.slice(2)
5704 if (b.slice(0, 2) === "..") { //相对于父路径
5706 while (rdeuce.test(a)) {
5707 a = a.replace(rdeuce, "")
5711 if (b.slice(0, 1) === "/") {
5712 return a + b.slice(1)
5717 function getGlobal(value) {
5722 value.split(".").forEach(function (part) {
5728 var mainNode = DOC.scripts[DOC.scripts.length - 1]
5729 var dataMain = mainNode.getAttribute("data-main")
5731 plugins.baseUrl(dataMain)
5732 var href = kernel.baseUrl
5733 kernel.baseUrl = href.slice(0, href.lastIndexOf("/") + 1)
5734 loadJS(href.replace(rjsext, "") + ".js")
5736 var loaderUrl = trimQuery(getFullUrl(mainNode, "src"))
5737 kernel.baseUrl = loaderUrl.slice(0, loaderUrl.lastIndexOf("/") + 1)
5739 }// jshint ignore:line
5741 /*********************************************************************
5743 **********************************************************************/
5745 var readyList = [], isReady
5746 var fireReady = function(fn) {
5749 modules["domReady!"].state = 4
5750 innerRequire.checkDeps()
5752 while(fn = readyList.shift()){
5757 function doScrollCheck() {
5758 try { //IE下通过doScrollCheck检测DOM树是否建完
5759 root.doScroll("left")
5762 setTimeout(doScrollCheck)
5766 if (DOC.readyState === "complete") {
5767 setTimeout(fireReady) //如果在domReady之外加载
5769 DOC.addEventListener("DOMContentLoaded", fireReady)
5771 DOC.attachEvent("onreadystatechange", function() {
5772 if (DOC.readyState === "complete") {
5777 var isTop = window.frameElement === null
5780 if (root.doScroll && isTop && window.external) {//fix IE iframe BUG
5784 avalon.bind(window, "load", fireReady)
5786 avalon.ready = function(fn) {
5798 avalon.ready(function() {
5799 avalon.scan(DOC.body)
5802 // Register as a named AMD module, since avalon can be concatenated with other
5803 // files that may use define, but not via a proper concatenation script that
5804 // understands anonymous AMD modules. A named AMD is safest and most robust
5805 // way to register. Lowercase avalon is used because AMD module names are
5806 // derived from file names, and Avalon is normally delivered in a lowercase
5807 // file name. Do this after creating the global so that if an AMD module wants
5808 // to call noConflict to hide this version of avalon, it will work.
5810 // Note that for maximum portability, libraries that are not avalon should
5811 // declare themselves as anonymous modules, and avoid setting a global if an
5812 // AMD loader is present. avalon is a special case. For more information, see
5813 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
5814 if (typeof define === "function" && define.amd) {
5815 define("avalon", [], function() {
5819 // Map over avalon in case of overwrite
5820 var _avalon = window.avalon
5821 avalon.noConflict = function(deep) {
5822 if (deep && window.avalon === avalon) {
5823 window.avalon = _avalon
5827 // Expose avalon identifiers, even in AMD
5828 // and CommonJS for browser emulators
5829 if (noGlobal === void 0) {
5830 window.avalon = avalon