diff options
Diffstat (limited to 'openo-portal/portal-common/src/main/webapp/common/thirdparty/avalon/avalon.modern.js')
-rw-r--r-- | openo-portal/portal-common/src/main/webapp/common/thirdparty/avalon/avalon.modern.js | 8177 |
1 files changed, 4336 insertions, 3841 deletions
diff --git a/openo-portal/portal-common/src/main/webapp/common/thirdparty/avalon/avalon.modern.js b/openo-portal/portal-common/src/main/webapp/common/thirdparty/avalon/avalon.modern.js index e2f6fad2..048b4241 100644 --- a/openo-portal/portal-common/src/main/webapp/common/thirdparty/avalon/avalon.modern.js +++ b/openo-portal/portal-common/src/main/webapp/common/thirdparty/avalon/avalon.modern.js @@ -1,15 +1,14 @@ /*================================================== - Copyright (c) 2013-2014 司徒正美 and other contributors + Copyright (c) 2013-2015 司徒正美 and other contributors http://www.cnblogs.com/rubylouvre/ https://github.com/RubyLouvre http://weibo.com/jslouvre/ - + Released under the MIT license - avalon.modern.js 1.39 build in 2015.1.15 -______________________________ - support IE6+ and other browsers + avalon.modern.js 1.43 built in 2015.5.21 + support IE10+ and other browsers ==================================================*/ -(function(global, factory) { +(function (global, factory) { if (typeof module === "object" && typeof module.exports === "object") { // For CommonJS and CommonJS-like environments where a proper `window` @@ -18,7 +17,7 @@ ______________________________ // (such as Node.js), expose a factory as module.exports. // This accentuates the need for the creation of a real `window`. // e.g. var avalon = require("avalon")(window); - module.exports = global.document ? factory(global, true) : function(w) { + module.exports = global.document ? factory(global, true) : function (w) { if (!w.document) { throw new Error("Avalon requires a window with a document") } @@ -29,897 +28,1014 @@ ______________________________ } // Pass this if window is not defined yet -}(typeof window !== "undefined" ? window : this, function(window, noGlobal){ +}(typeof window !== "undefined" ? window : this, function (window, noGlobal) { -/********************************************************************* - * 全局变量及方法 * - **********************************************************************/ -var expose = Date.now() + /********************************************************************* + * 全局变量及方法 * + **********************************************************************/ + var expose = Date.now() //http://stackoverflow.com/questions/7290086/javascript-use-strict-and-nicks-find-global-function -var DOC = window.document -var head = DOC.head //HEAD元素 -head.insertAdjacentHTML("afterBegin", '<avalon ms-skip><style id="avalonStyle">.avalonHide{ display: none!important }</style></avalon>') -var ifGroup = head.firstChild + var DOC = window.document + var head = DOC.head //HEAD元素 + head.insertAdjacentHTML("afterBegin", '<avalon ms-skip class="avalonHide"><style id="avalonStyle">.avalonHide{ display: none!important }</style></avalon>') + var ifGroup = head.firstChild -function log() { - if (avalon.config.debug) { + function log() { + if (avalon.config.debug) { // http://stackoverflow.com/questions/8785624/how-to-safely-wrap-console-log - console.log.apply(console, arguments) - } -} - -var subscribers = "$" + expose -var otherRequire = window.require -var otherDefine = window.define -var stopRepeatAssign = false -var rword = /[^, ]+/g //切割字符串为一个个小块,以空格或豆号分开它们,结合replace实现字符串的forEach -var rcomplexType = /^(?:object|array)$/ -var rsvg = /^\[object SVG\w*Element\]$/ -var rwindow = /^\[object (?:Window|DOMWindow|global)\]$/ -var oproto = Object.prototype -var ohasOwn = oproto.hasOwnProperty -var serialize = oproto.toString -var ap = Array.prototype -var aslice = ap.slice -var Registry = {} //将函数曝光到此对象上,方便访问器收集依赖 -var W3C = window.dispatchEvent -var root = DOC.documentElement -var hyperspace = DOC.createDocumentFragment() -var cinerator = DOC.createElement("div") -var class2type = {} -"Boolean Number String Function Array Date RegExp Object Error".replace(rword, function(name) { - class2type["[object " + name + "]"] = name.toLowerCase() -}) - - -function noop() { -} - - -function oneObject(array, val) { - if (typeof array === "string") { - array = array.match(rword) || [] - } - var result = {}, - value = val !== void 0 ? val : 1 - for (var i = 0, n = array.length; i < n; i++) { - result[array[i]] = value + console.log.apply(console, arguments) + } + } + + /** + * Creates a new object without a prototype. This object is useful for lookup without having to + * guard against prototypically inherited properties via hasOwnProperty. + * + * Related micro-benchmarks: + * - http://jsperf.com/object-create2 + * - http://jsperf.com/proto-map-lookup/2 + * - http://jsperf.com/for-in-vs-object-keys2 + */ + function createMap() { + return Object.create(null) + } + + var subscribers = "$" + expose + var otherRequire = window.require + var otherDefine = window.define + var innerRequire + var stopRepeatAssign = false + 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 + var rcomplexType = /^(?:object|array)$/ + var rsvg = /^\[object SVG\w*Element\]$/ + var rwindow = /^\[object (?:Window|DOMWindow|global)\]$/ + var oproto = Object.prototype + var ohasOwn = oproto.hasOwnProperty + var serialize = oproto.toString + var ap = Array.prototype + var aslice = ap.slice + var Registry = {} //将函数曝光到此对象上,方便访问器收集依赖 + var W3C = window.dispatchEvent + var root = DOC.documentElement + var hyperspace = DOC.createDocumentFragment() + var cinerator = DOC.createElement("div") + var class2type = {} + "Boolean Number String Function Array Date RegExp Object Error".replace(rword, function (name) { + class2type["[object " + name + "]"] = name.toLowerCase() + }) + + + function noop() { } - return result -} -function createCache(maxLength) { - var keys = [] - function cache(key, value) { - if (keys.push(key) > maxLength) { - delete cache[keys.shift()] + + function oneObject(array, val) { + if (typeof array === "string") { + array = array.match(rword) || [] } - return cache[key] = value; + var result = {}, + value = val !== void 0 ? val : 1 + for (var i = 0, n = array.length; i < n; i++) { + result[array[i]] = value + } + return result } - return cache; -} + //生成UUID http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript -var generateID = function(prefix) { - prefix = prefix || "avalon" - return (prefix + Math.random() + Math.random()).replace(/0\./g, "") -} -function IE() { - if (window.VBArray) { - var mode = document.documentMode - return mode ? mode : window.XMLHttpRequest ? 7 : 6 - } else { - return 0 - } -} -var IEVersion = IE() -/********************************************************************* - * avalon的静态方法定义区 * - **********************************************************************/ -avalon = function(el) { //创建jQuery式的无new 实例化结构 - return new avalon.init(el) -} - -avalon.init = function(el) { - this[0] = this.element = el -} -avalon.fn = avalon.prototype = avalon.init.prototype - -avalon.type = function(obj) { //取得目标的类型 - if (obj == null) { - return String(obj) - } - // 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 - return typeof obj === "object" || typeof obj === "function" ? - class2type[serialize.call(obj)] || "object" : + var generateID = function (prefix) { + prefix = prefix || "avalon" + return String(Math.random() + Math.random()).replace(/\d\.\d{4}/, prefix) + } + + function IE() { + if (window.VBArray) { + var mode = document.documentMode + return mode ? mode : window.XMLHttpRequest ? 7 : 6 + } else { + return 0 + } + } + + var IEVersion = IE() + + avalon = function (el) { //创建jQuery式的无new 实例化结构 + return new avalon.init(el) + } + + /*视浏览器情况采用最快的异步回调*/ + avalon.nextTick = new function () {// jshint ignore:line + var tickImmediate = window.setImmediate + var tickObserver = window.MutationObserver + var tickPost = W3C && window.postMessage + if (tickImmediate) { + return tickImmediate.bind(window) + } + + var queue = [] + + function callback() { + var n = queue.length + for (var i = 0; i < n; i++) { + queue[i]() + } + queue = queue.slice(n) + } + + if (tickObserver) { + var node = document.createTextNode("avalon") + new tickObserver(callback).observe(node, {characterData: true})// jshint ignore:line + return function (fn) { + queue.push(fn) + node.data = Math.random() + } + } + + if (tickPost) { + window.addEventListener("message", function (e) { + var source = e.source + if ((source === window || source === null) && e.data === "process-tick") { + e.stopPropagation() + callback() + } + }) + + return function (fn) { + queue.push(fn) + window.postMessage('process-tick', '*') + } + } + + return function (fn) { + setTimeout(fn, 0) + } + }// jshint ignore:line + /********************************************************************* + * avalon的静态方法定义区 * + **********************************************************************/ + avalon.init = function (el) { + this[0] = this.element = el + } + avalon.fn = avalon.prototype = avalon.init.prototype + + avalon.type = function (obj) { //取得目标的类型 + if (obj == null) { + return String(obj) + } + // 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 + return typeof obj === "object" || typeof obj === "function" ? + class2type[serialize.call(obj)] || "object" : typeof obj -} + } -var isFunction = function(fn) { - return serialize.call(fn) == "[object Function]" -} + var isFunction = function (fn) { + return serialize.call(fn) === "[object Function]" + } -avalon.isFunction = isFunction + avalon.isFunction = isFunction -avalon.isWindow = function(obj) { - return rwindow.test(serialize.call(obj)) -} + avalon.isWindow = function (obj) { + return rwindow.test(serialize.call(obj)) + } -/*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*/ + /*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*/ -avalon.isPlainObject = function(obj) { - // 简单的 typeof obj === "object"检测,会致使用isPlainObject(window)在opera下通不过 - return serialize.call(obj) === "[object Object]" && Object.getPrototypeOf(obj) === oproto -} + avalon.isPlainObject = function (obj) { + // 简单的 typeof obj === "object"检测,会致使用isPlainObject(window)在opera下通不过 + return serialize.call(obj) === "[object Object]" && Object.getPrototypeOf(obj) === oproto + } //与jQuery.extend方法,可用于浅拷贝,深拷贝 -avalon.mix = avalon.fn.mix = function() { - var options, name, src, copy, copyIsArray, clone, + avalon.mix = avalon.fn.mix = function () { + var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false - // 如果第一个参数为布尔,判定是否深拷贝 - if (typeof target === "boolean") { - deep = target - target = arguments[1] || {} - i++ - } + // 如果第一个参数为布尔,判定是否深拷贝 + if (typeof target === "boolean") { + deep = target + target = arguments[1] || {} + i++ + } - //确保接受方为一个复杂的数据类型 - if (typeof target !== "object" && !isFunction(target)) { - target = {} - } + //确保接受方为一个复杂的数据类型 + if (typeof target !== "object" && !isFunction(target)) { + target = {} + } - //如果只有一个参数,那么新成员添加于mix所在的对象上 - if (i === length) { - target = this - i-- - } + //如果只有一个参数,那么新成员添加于mix所在的对象上 + if (i === length) { + target = this + i-- + } - for (; i < length; i++) { - //只处理非空参数 - if ((options = arguments[i]) != null) { - for (name in options) { - src = target[name] - copy = options[name] - // 防止环引用 - if (target === copy) { - continue - } - if (deep && copy && (avalon.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) { + for (; i < length; i++) { + //只处理非空参数 + if ((options = arguments[i]) != null) { + for (name in options) { + src = target[name] + copy = options[name] + // 防止环引用 + if (target === copy) { + continue + } + if (deep && copy && (avalon.isPlainObject(copy) || (copyIsArray = Array.isArray(copy)))) { - if (copyIsArray) { - copyIsArray = false - clone = src && Array.isArray(src) ? src : [] + if (copyIsArray) { + copyIsArray = false + clone = src && Array.isArray(src) ? src : [] - } else { - clone = src && avalon.isPlainObject(src) ? src : {} - } + } else { + clone = src && avalon.isPlainObject(src) ? src : {} + } - target[name] = avalon.mix(deep, clone, copy) - } else if (copy !== void 0) { - target[name] = copy + target[name] = avalon.mix(deep, clone, copy) + } else if (copy !== void 0) { + target[name] = copy + } } } } + return target } - return target -} - -function _number(a, len) { //用于模拟slice, splice的效果 - a = Math.floor(a) || 0 - return a < 0 ? Math.max(len + a, 0) : Math.min(a, len); -} -avalon.mix({ - rword: rword, - subscribers: subscribers, - version: 1.39, - ui: {}, - log: log, - slice: function(nodes, start, end) { - return aslice.call(nodes, start, end) - }, - noop: noop, - /*如果不用Error对象封装一下,str在控制台下可能会乱码*/ - error: function(str, e) { - throw new (e || Error)(str) - }, - /*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*/ - oneObject: oneObject, - /* avalon.range(10) - => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] - avalon.range(1, 11) - => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] - avalon.range(0, 30, 5) - => [0, 5, 10, 15, 20, 25] - avalon.range(0, -10, -1) - => [0, -1, -2, -3, -4, -5, -6, -7, -8, -9] - avalon.range(0) - => []*/ - range: function(start, end, step) { // 用于生成整数数组 - step || (step = 1) - if (end == null) { - end = start || 0 - start = 0 - } - var index = -1, - length = Math.max(0, Math.ceil((end - start) / step)), - result = Array(length) - while (++index < length) { - result[index] = start - start += step - } - return result - }, - eventHooks: {}, - /*绑定事件*/ - bind: function(el, type, fn, phase) { - var hooks = avalon.eventHooks - var hook = hooks[type] - if (typeof hook === "object") { - type = hook.type - if (hook.deel) { - fn = hook.deel(el, fn) - } - } - el.addEventListener(type, fn, !!phase) - return fn - }, - /*卸载事件*/ - unbind: function(el, type, fn, phase) { - var hooks = avalon.eventHooks - var hook = hooks[type] - var callback = fn || noop - if (typeof hook === "object") { - type = hook.type - } - el.removeEventListener(type, callback, !!phase) - }, - /*读写删除元素节点的样式*/ - css: function(node, name, value) { - if (node instanceof avalon) { - node = node[0] - } - var prop = /[_-]/.test(name) ? camelize(name) : name - name = avalon.cssName(prop) || prop - if (value === void 0 || typeof value === "boolean") { //获取样式 - var fn = cssHooks[prop + ":get"] || cssHooks["@:get"] - if (name === "background") { - name = "backgroundColor" - } - var val = fn(node, name) - return value === true ? parseFloat(val) || 0 : val - } else if (value === "") { //请除样式 - node.style[name] = "" - } else { //设置样式 - if (value == null || value !== value) { - return + + function _number(a, len) { //用于模拟slice, splice的效果 + a = Math.floor(a) || 0 + return a < 0 ? Math.max(len + a, 0) : Math.min(a, len); + } + + avalon.mix({ + rword: rword, + subscribers: subscribers, + version: 1.43, + ui: {}, + log: log, + slice: function (nodes, start, end) { + return aslice.call(nodes, start, end) + }, + noop: noop, + /*如果不用Error对象封装一下,str在控制台下可能会乱码*/ + error: function (str, e) { + throw new (e || Error)(str)// jshint ignore:line + }, + /*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*/ + oneObject: oneObject, + /* avalon.range(10) + => [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] + avalon.range(1, 11) + => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] + avalon.range(0, 30, 5) + => [0, 5, 10, 15, 20, 25] + avalon.range(0, -10, -1) + => [0, -1, -2, -3, -4, -5, -6, -7, -8, -9] + avalon.range(0) + => []*/ + range: function (start, end, step) { // 用于生成整数数组 + step || (step = 1) + if (end == null) { + end = start || 0 + start = 0 } - if (isFinite(value) && !avalon.cssNumber[prop]) { - value += "px" + var index = -1, + length = Math.max(0, Math.ceil((end - start) / step)), + result = new Array(length) + while (++index < length) { + result[index] = start + start += step } - fn = cssHooks[prop + ":set"] || cssHooks["@:set"] - fn(node, name, value) - } - }, - /*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*/ - each: function(obj, fn) { - if (obj) { //排除null, undefined - var i = 0 - if (isArrayLike(obj)) { - for (var n = obj.length; i < n; i++) { - fn(i, obj[i]) + return result + }, + eventHooks: {}, + /*绑定事件*/ + bind: function (el, type, fn, phase) { + var hooks = avalon.eventHooks + var hook = hooks[type] + if (typeof hook === "object") { + type = hook.type + if (hook.deel) { + fn = hook.deel(el, type, fn, phase) } - } else { - for (i in obj) { - if (obj.hasOwnProperty(i)) { - fn(i, obj[i]) - } + } + if (!fn.unbind) + el.addEventListener(type, fn, !!phase) + return fn + }, + /*卸载事件*/ + unbind: function (el, type, fn, phase) { + var hooks = avalon.eventHooks + var hook = hooks[type] + var callback = fn || noop + if (typeof hook === "object") { + type = hook.type + if (hook.deel) { + fn = hook.deel(el, type, fn, false) } } - } - }, - //收集元素的data-{{prefix}}-*属性,并转换为对象 - getWidgetData: function(elem, prefix) { - var raw = avalon(elem).data() - var result = {} - for (var i in raw) { - if (i.indexOf(prefix) === 0) { - result[i.replace(prefix, "").replace(/\w/, function(a) { - return a.toLowerCase() - })] = raw[i] + el.removeEventListener(type, callback, !!phase) + }, + /*读写删除元素节点的样式*/ + css: function (node, name, value) { + if (node instanceof avalon) { + node = node[0] } - } - return result - }, - Array: { - /*只有当前数组不存在此元素时只添加它*/ - ensure: function(target, item) { - if (target.indexOf(item) === -1) { - return target.push(item) + var prop = /[_-]/.test(name) ? camelize(name) : name, fn + name = avalon.cssName(prop) || prop + if (value === void 0 || typeof value === "boolean") { //获取样式 + fn = cssHooks[prop + ":get"] || cssHooks["@:get"] + if (name === "background") { + name = "backgroundColor" + } + var val = fn(node, name) + return value === true ? parseFloat(val) || 0 : val + } else if (value === "") { //请除样式 + node.style[name] = "" + } else { //设置样式 + if (value == null || value !== value) { + return + } + if (isFinite(value) && !avalon.cssNumber[prop]) { + value += "px" + } + fn = cssHooks[prop + ":set"] || cssHooks["@:set"] + fn(node, name, value) + } + }, + /*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*/ + each: function (obj, fn) { + if (obj) { //排除null, undefined + var i = 0 + if (isArrayLike(obj)) { + for (var n = obj.length; i < n; i++) { + if (fn(i, obj[i]) === false) + break + } + } else { + for (i in obj) { + if (obj.hasOwnProperty(i) && fn(i, obj[i]) === false) { + break + } + } + } } }, - /*移除数组中指定位置的元素,返回布尔表示成功与否*/ - removeAt: function(target, index) { - return !!target.splice(index, 1).length + //收集元素的data-{{prefix}}-*属性,并转换为对象 + getWidgetData: function (elem, prefix) { + var raw = avalon(elem).data() + var result = {} + for (var i in raw) { + if (i.indexOf(prefix) === 0) { + result[i.replace(prefix, "").replace(/\w/, function (a) { + return a.toLowerCase() + })] = raw[i] + } + } + return result }, - /*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*/ - remove: function(target, item) { - var index = target.indexOf(item) - if (~index) - return avalon.Array.removeAt(target, index) - return false + Array: { + /*只有当前数组不存在此元素时只添加它*/ + ensure: function (target, item) { + if (target.indexOf(item) === -1) { + return target.push(item) + } + }, + /*移除数组中指定位置的元素,返回布尔表示成功与否*/ + removeAt: function (target, index) { + return !!target.splice(index, 1).length + }, + /*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*/ + remove: function (target, item) { + var index = target.indexOf(item) + if (~index) + return avalon.Array.removeAt(target, index) + return false + } } - } -}) + }) -var bindingHandlers = avalon.bindingHandlers = {} -var bindingExecutors = avalon.bindingExecutors = {} + var bindingHandlers = avalon.bindingHandlers = {} + var bindingExecutors = avalon.bindingExecutors = {} -/*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*/ -function isArrayLike(obj) { - if (obj && typeof obj === "object") { - var n = obj.length, + /*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*/ + function isArrayLike(obj) { + if (obj && typeof obj === "object") { + var n = obj.length, str = serialize.call(obj) - if (/(Array|List|Collection|Map|Arguments)\]$/.test(str)) { - return true - } else if (str === "[object Object]" && n === (n >>> 0)) { - return true //由于ecma262v5能修改对象属性的enumerable,因此不能用propertyIsEnumerable来判定了 - } - } - return false -} -/*视浏览器情况采用最快的异步回调(在avalon.ready里,还有一个分支,用于处理IE6-9)*/ -avalon.nextTick = window.setImmediate ? setImmediate.bind(window) : function(callback) { - setTimeout(callback, 0) //IE10-11 or W3C -} - -/********************************************************************* - * DOM 底层补丁 * - **********************************************************************/ -if (!root.contains) { //safari5+是把contains方法放在Element.prototype上而不是Node.prototype - Node.prototype.contains = function(arg) { - return !!(this.compareDocumentPosition(arg) & 16) - } -} -avalon.contains = function(root, el) { - try { - while ((el = el.parentNode)) - if (el === root) - return true; - return false - } catch (e) { + if (/(Array|List|Collection|Map|Arguments)\]$/.test(str)) { + return true + } else if (str === "[object Object]" && n === (n >>> 0)) { + return true //由于ecma262v5能修改对象属性的enumerable,因此不能用propertyIsEnumerable来判定了 + } + } return false } -} -if (window.SVGElement) { - var svgns = "http://www.w3.org/2000/svg" - var svg = DOC.createElementNS(svgns, "svg") - svg.innerHTML = '<circle cx="50" cy="50" r="40" fill="red" />' - if (!rsvg.test(svg.firstChild)) {// #409 - - function enumerateNode(node, targetNode) { - if (node && node.childNodes) { - var nodes = node.childNodes - for (var i = 0, el; el = nodes[i++]; ) { - if (el.tagName) { - var svg = DOC.createElementNS(svgns, + + +// https://github.com/rsms/js-lru + var Cache = new function () {// jshint ignore:line + function LRU(maxLength) { + this.size = 0 + this.limit = maxLength + this.head = this.tail = void 0 + this._keymap = {} + } + + var p = LRU.prototype + + p.put = function (key, value) { + var entry = { + key: key, + value: value + } + this._keymap[key] = entry + if (this.tail) { + this.tail.newer = entry + entry.older = this.tail + } else { + this.head = entry + } + this.tail = entry + if (this.size === this.limit) { + this.shift() + } else { + this.size++ + } + return value + } + + p.shift = function () { + var entry = this.head + if (entry) { + this.head = this.head.newer + this.head.older = + entry.newer = + entry.older = + this._keymap[entry.key] = void 0 + } + } + p.get = function (key) { + var entry = this._keymap[key] + if (entry === void 0) + return + if (entry === this.tail) { + return entry.value + } + // HEAD--------------TAIL + // <.older .newer> + // <--- add direction -- + // A B C <D> E + if (entry.newer) { + if (entry === this.head) { + this.head = entry.newer + } + entry.newer.older = entry.older // C <-- E. + } + if (entry.older) { + entry.older.newer = entry.newer // C. --> E + } + entry.newer = void 0 // D --x + entry.older = this.tail // D. --> E + if (this.tail) { + this.tail.newer = entry // E. <-- D + } + this.tail = entry + return entry.value + } + return LRU + }// jshint ignore:line + + /********************************************************************* + * DOM 底层补丁 * + **********************************************************************/ +//safari5+是把contains方法放在Element.prototype上而不是Node.prototype + if (!DOC.contains) { + Node.prototype.contains = function (arg) { + return !!(this.compareDocumentPosition(arg) & 16) + } + } + avalon.contains = function (root, el) { + try { + while ((el = el.parentNode)) + if (el === root) + return true + return false + } catch (e) { + return false + } + } + + if (window.SVGElement) { + var svgns = "http://www.w3.org/2000/svg" + var svg = DOC.createElementNS(svgns, "svg") + svg.innerHTML = '<circle cx="50" cy="50" r="40" fill="red" />' + if (!rsvg.test(svg.firstChild)) {// #409 + /* jshint ignore:start */ + function enumerateNode(node, targetNode) { + if (node && node.childNodes) { + var nodes = node.childNodes + for (var i = 0, el; el = nodes[i++];) { + if (el.tagName) { + var svg = DOC.createElementNS(svgns, el.tagName.toLowerCase()) - // copy attrs - ap.forEach.call(el.attributes, function(attr) { - svg.setAttribute(attr.name, attr.value) - }) - // 递归处理子节点 - enumerateNode(el, svg) - targetNode.appendChild(svg) + // copy attrs + ap.forEach.call(el.attributes, function (attr) { + svg.setAttribute(attr.name, attr.value) + }) + // 递归处理子节点 + enumerateNode(el, svg) + targetNode.appendChild(svg) + } } } } - } - Object.defineProperties(SVGElement.prototype, { - "outerHTML": {//IE9-11,firefox不支持SVG元素的innerHTML,outerHTML属性 - enumerable: true, - configurable: true, - get: function() { - return new XMLSerializer().serializeToString(this) - }, - set: function(html) { - var tagName = this.tagName.toLowerCase(), + + /* jshint ignore:end */ + Object.defineProperties(SVGElement.prototype, { + "outerHTML": {//IE9-11,firefox不支持SVG元素的innerHTML,outerHTML属性 + enumerable: true, + configurable: true, + get: function () { + return new XMLSerializer().serializeToString(this) + }, + set: function (html) { + var tagName = this.tagName.toLowerCase(), par = this.parentNode, frag = avalon.parseHTML(html) - // 操作的svg,直接插入 - if (tagName === "svg") { - par.insertBefore(frag, this) - // svg节点的子节点类似 - } else { - var newFrag = DOC.createDocumentFragment() - enumerateNode(frag, newFrag) - par.insertBefore(newFrag, this) + // 操作的svg,直接插入 + if (tagName === "svg") { + par.insertBefore(frag, this) + // svg节点的子节点类似 + } else { + var newFrag = DOC.createDocumentFragment() + enumerateNode(frag, newFrag) + par.insertBefore(newFrag, this) + } + par.removeChild(this) } - par.removeChild(this) - } - }, - "innerHTML": { - enumerable: true, - configurable: true, - get: function() { - var s = this.outerHTML - var ropen = new RegExp("<" + this.nodeName + '\\b(?:(["\'])[^"]*?(\\1)|[^>])*>', "i") - var rclose = new RegExp("<\/" + this.nodeName + ">$", "i") - return s.replace(ropen, "").replace(rclose, "") }, - set: function(html) { - if (avalon.clearHTML) { - avalon.clearHTML(this) - var frag = avalon.parseHTML(html) - enumerateNode(frag, this) + "innerHTML": { + enumerable: true, + configurable: true, + get: function () { + var s = this.outerHTML + var ropen = new RegExp("<" + this.nodeName + '\\b(?:(["\'])[^"]*?(\\1)|[^>])*>', "i") + var rclose = new RegExp("<\/" + this.nodeName + ">$", "i") + return s.replace(ropen, "").replace(rclose, "") + }, + set: function (html) { + if (avalon.clearHTML) { + avalon.clearHTML(this) + var frag = avalon.parseHTML(html) + enumerateNode(frag, this) + } } } - } - }) + }) + } } -} //========================= event binding ==================== -var eventHooks = avalon.eventHooks + var eventHooks = avalon.eventHooks //针对firefox, chrome修正mouseenter, mouseleave(chrome30+) -if (!("onmouseenter" in root)) { - avalon.each({ - mouseenter: "mouseover", - mouseleave: "mouseout" - }, function(origType, fixType) { - eventHooks[origType] = { - type: fixType, - deel: function(elem, fn) { - return function(e) { - var t = e.relatedTarget - if (!t || (t !== elem && !(elem.compareDocumentPosition(t) & 16))) { - delete e.type - e.type = origType - return fn.call(elem, e) + if (!("onmouseenter" in root)) { + avalon.each({ + mouseenter: "mouseover", + mouseleave: "mouseout" + }, function (origType, fixType) { + eventHooks[origType] = { + type: fixType, + deel: function (elem, _, fn) { + return function (e) { + var t = e.relatedTarget + if (!t || (t !== elem && !(elem.compareDocumentPosition(t) & 16))) { + delete e.type + e.type = origType + return fn.call(elem, e) + } } } } + }) + } +//针对IE9+, w3c修正animationend + avalon.each({ + AnimationEvent: "animationend", + WebKitAnimationEvent: "webkitAnimationEnd" + }, function (construct, fixType) { + if (window[construct] && !eventHooks.animationend) { + eventHooks.animationend = { + type: fixType + } } }) -} -//针对IE9+, w3c修正animationend -avalon.each({ - AnimationEvent: "animationend", - WebKitAnimationEvent: "webkitAnimationEnd" -}, function(construct, fixType) { - if (window[construct] && !eventHooks.animationend) { - eventHooks.animationend = { - type: fixType - } - } -}) - -if (DOC.onmousewheel === void 0) { - /* IE6-11 chrome mousewheel wheelDetla 下 -120 上 120 - firefox DOMMouseScroll detail 下3 上-3 - firefox wheel detlaY 下3 上-3 - IE9-11 wheel deltaY 下40 上-40 - chrome wheel deltaY 下100 上-100 */ - eventHooks.mousewheel = { - type: "wheel", - deel: function(elem, fn) { - return function(e) { - e.wheelDeltaY = e.wheelDelta = e.deltaY > 0 ? -120 : 120 - e.wheelDeltaX = 0 - Object.defineProperty(e, "type", { - value: "mousewheel" - }) - fn.call(elem, e) + + if (DOC.onmousewheel === void 0) { + /* IE6-11 chrome mousewheel wheelDetla 下 -120 上 120 + firefox DOMMouseScroll detail 下3 上-3 + firefox wheel detlaY 下3 上-3 + IE9-11 wheel deltaY 下40 上-40 + chrome wheel deltaY 下100 上-100 */ + eventHooks.mousewheel = { + type: "wheel", + deel: function (elem, _, fn) { + return function (e) { + e.wheelDeltaY = e.wheelDelta = e.deltaY > 0 ? -120 : 120 + e.wheelDeltaX = 0 + Object.defineProperty(e, "type", { + value: "mousewheel" + }) + fn.call(elem, e) + } } } } -} -/********************************************************************* - * 配置系统 * - **********************************************************************/ + /********************************************************************* + * 配置系统 * + **********************************************************************/ -function kernel(settings) { - for (var p in settings) { - if (!ohasOwn.call(settings, p)) - continue - var val = settings[p] - if (typeof kernel.plugins[p] === "function") { - kernel.plugins[p](val) - } else if (typeof kernel[p] === "object") { - avalon.mix(kernel[p], val) - } else { - kernel[p] = val - } - } - return this -} -var openTag, closeTag, rexpr, rexprg, rbind, rregexp = /[-.*+?^${}()|[\]\/\\]/g - -function escapeRegExp(target) { - //http://stevenlevithan.com/regex/xregexp/ - //将字符串安全格式化为正则表达式的源码 - return (target + "").replace(rregexp, "\\$&") -} -var innerRequire = noop -var plugins = { - loader: function(builtin) { - window.define = builtin ? innerRequire.define : otherDefine - window.require = builtin ? innerRequire : otherRequire - }, - interpolate: function(array) { - openTag = array[0] - closeTag = array[1] - if (openTag === closeTag) { - throw new SyntaxError("openTag!==closeTag") - } else if (array + "" === "<!--,-->") { - kernel.commentInterpolate = true - } else { - var test = openTag + "test" + closeTag - cinerator.innerHTML = test - if (cinerator.innerHTML !== test && cinerator.innerHTML.indexOf("<") > -1) { - throw new SyntaxError("此定界符不合法") - } - cinerator.innerHTML = "" - } - var o = escapeRegExp(openTag), - c = escapeRegExp(closeTag) - rexpr = new RegExp(o + "(.*?)" + c) - rexprg = new RegExp(o + "(.*?)" + c, "g") - rbind = new RegExp(o + ".*?" + c + "|\\sms-") - } -} - -kernel.debug = true -kernel.plugins = plugins -kernel.plugins['interpolate'](["{{", "}}"]) -kernel.paths = {} -kernel.shim = {} -kernel.maxRepeatSize = 100 -avalon.config = kernel -/********************************************************************* - * 事件总线 * - **********************************************************************/ -var EventBus = { - $watch: function(type, callback) { - if (typeof callback === "function") { - var callbacks = this.$events[type] - if (callbacks) { - callbacks.push(callback) + function kernel(settings) { + for (var p in settings) { + if (!ohasOwn.call(settings, p)) + continue + var val = settings[p] + if (typeof kernel.plugins[p] === "function") { + kernel.plugins[p](val) + } else if (typeof kernel[p] === "object") { + avalon.mix(kernel[p], val) } else { - this.$events[type] = [callback] + kernel[p] = val } - } else { //重新开始监听此VM的第一重简单属性的变动 - this.$events = this.$watch.backup } return this - }, - $unwatch: function(type, callback) { - var n = arguments.length - if (n === 0) { //让此VM的所有$watch回调无效化 - this.$watch.backup = this.$events - this.$events = {} - } else if (n === 1) { - this.$events[type] = [] - } else { - var callbacks = this.$events[type] || [] - var i = callbacks.length - while (~--i < 0) { - if (callbacks[i] === callback) { - return callbacks.splice(i, 1) + } + + var openTag, closeTag, rexpr, rexprg, rbind, rregexp = /[-.*+?^${}()|[\]\/\\]/g + + function escapeRegExp(target) { + //http://stevenlevithan.com/regex/xregexp/ + //将字符串安全格式化为正则表达式的源码 + return (target + "").replace(rregexp, "\\$&") + } + + var plugins = { + loader: function (builtin) { + var flag = innerRequire && builtin + window.require = flag ? innerRequire : otherRequire + window.define = flag ? innerRequire.define : otherDefine + }, + interpolate: function (array) { + openTag = array[0] + closeTag = array[1] + if (openTag === closeTag) { + throw new SyntaxError("openTag!==closeTag") + } else if (array + "" === "<!--,-->") { + kernel.commentInterpolate = true + } else { + var test = openTag + "test" + closeTag + cinerator.innerHTML = test + if (cinerator.innerHTML !== test && cinerator.innerHTML.indexOf("<") > -1) { + throw new SyntaxError("此定界符不合法") } + cinerator.innerHTML = "" } - } - return this - }, - $fire: function(type) { - var special - if (/^(\w+)!(\S+)$/.test(type)) { - special = RegExp.$1 - type = RegExp.$2 - } - var events = this.$events - var args = aslice.call(arguments, 1) - var detail = [type].concat(args) - if (special === "all") { - for (var i in avalon.vmodels) { - var v = avalon.vmodels[i] - if (v !== this) { - v.$fire.apply(v, detail) + var o = escapeRegExp(openTag), + c = escapeRegExp(closeTag) + rexpr = new RegExp(o + "(.*?)" + c) + rexprg = new RegExp(o + "(.*?)" + c, "g") + rbind = new RegExp(o + ".*?" + c + "|\\sms-") + } + } + + kernel.debug = true + kernel.plugins = plugins + kernel.plugins['interpolate'](["{{", "}}"]) + kernel.paths = {} + kernel.shim = {} + kernel.maxRepeatSize = 100 + avalon.config = kernel + var ravalon = /(\w+)\[(avalonctrl)="(\S+)"\]/ + var findNodes = function (str) { + return DOC.querySelectorAll(str) + } + /********************************************************************* + * 事件总线 * + **********************************************************************/ + var EventBus = { + $watch: function (type, callback) { + if (typeof callback === "function") { + var callbacks = this.$events[type] + if (callbacks) { + callbacks.push(callback) + } else { + this.$events[type] = [callback] } + } else { //重新开始监听此VM的第一重简单属性的变动 + this.$events = this.$watch.backup } - } else if (special === "up" || special === "down") { - var elements = events.expr ? findNodes(events.expr) : [] - if (elements.length === 0) + return this + }, + $unwatch: function (type, callback) { + var n = arguments.length + if (n === 0) { //让此VM的所有$watch回调无效化 + this.$watch.backup = this.$events + this.$events = {} + } else if (n === 1) { + this.$events[type] = [] + } else { + var callbacks = this.$events[type] || [] + var i = callbacks.length + while (~--i < 0) { + if (callbacks[i] === callback) { + return callbacks.splice(i, 1) + } + } + } + return this + }, + $fire: function (type) { + var special, i, v, callback + if (/^(\w+)!(\S+)$/.test(type)) { + special = RegExp.$1 + type = RegExp.$2 + } + var events = this.$events + if (!events) return - for (var i in avalon.vmodels) { - var v = avalon.vmodels[i] - if (v !== this) { - if (v.$events.expr) { - var eventNodes = findNodes(v.$events.expr) - if (eventNodes.length === 0) { - continue - } - //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 - Array.prototype.forEach.call(eventNodes, function(node) { - Array.prototype.forEach.call(elements, function(element) { - var ok = special === "down" ? element.contains(node) : //向下捕获 + var args = aslice.call(arguments, 1) + var detail = [type].concat(args) + if (special === "all") { + for (i in avalon.vmodels) { + v = avalon.vmodels[i] + if (v !== this) { + v.$fire.apply(v, detail) + } + } + } else if (special === "up" || special === "down") { + var elements = events.expr ? findNodes(events.expr) : [] + if (elements.length === 0) + return + for (i in avalon.vmodels) { + v = avalon.vmodels[i] + if (v !== this) { + if (v.$events.expr) { + var eventNodes = findNodes(v.$events.expr) + if (eventNodes.length === 0) { + continue + } + //循环两个vmodel中的节点,查找匹配(向上匹配或者向下匹配)的节点并设置标识 + /* jshint ignore:start */ + Array.prototype.forEach.call(eventNodes, function (node) { + Array.prototype.forEach.call(elements, function (element) { + var ok = special === "down" ? element.contains(node) : //向下捕获 node.contains(element) //向上冒泡 - - if (ok) { - node._avalon = v //符合条件的加一个标识 - } - }); - }) + if (ok) { + node._avalon = v //符合条件的加一个标识 + } + }); + }) + /* jshint ignore:end */ + } } } - } - var nodes = DOC.getElementsByTagName("*") //实现节点排序 - var alls = [] - Array.prototype.forEach.call(nodes, function(el) { - if (el._avalon) { - alls.push(el._avalon) - el._avalon = "" - el.removeAttribute("_avalon") + var nodes = DOC.getElementsByTagName("*") //实现节点排序 + var alls = [] + Array.prototype.forEach.call(nodes, function (el) { + if (el._avalon) { + alls.push(el._avalon) + el._avalon = "" + el.removeAttribute("_avalon") + } + }) + if (special === "up") { + alls.reverse() } - }) - if (special === "up") { - alls.reverse() - } - for (var i = 0, el; el = alls[i++]; ) { - if (el.$fire.apply(el, detail) === false) { - break + for (i = 0; callback = alls[i++];) { + if (callback.$fire.apply(callback, detail) === false) { + break + } + } + } else { + var callbacks = events[type] || [] + var all = events.$all || [] + for (i = 0; callback = callbacks[i++];) { + if (isFunction(callback)) + callback.apply(this, args) + } + for (i = 0; callback = all[i++];) { + if (isFunction(callback)) + callback.apply(this, arguments) } - } - } else { - var callbacks = events[type] || [] - var all = events.$all || [] - for (var i = 0, callback; callback = callbacks[i++]; ) { - if (isFunction(callback)) - callback.apply(this, args) - } - for (var i = 0, callback; callback = all[i++]; ) { - if (isFunction(callback)) - callback.apply(this, arguments) } } } -} -var ravalon = /(\w+)\[(avalonctrl)="(\S+)"\]/ -var findNodes = function(str) { - //pc safari v5.1: typeof DOC.querySelectorAll(str) === 'function' - //https://gist.github.com/DavidBruant/1016007 - return DOC.querySelectorAll(str) -} -/********************************************************************* - * modelFactory * - **********************************************************************/ + /********************************************************************* + * modelFactory * + **********************************************************************/ //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) -var VMODELS = avalon.vmodels = {} //所有vmodel都储存在这里 -avalon.define = function(id, factory) { - var $id = id.$id || id - if (!$id) { - log("warning: vm必须指定$id") - } - if (VMODELS[$id]) { - log("warning: " + $id + " 已经存在于avalon.vmodels中") - } - if (typeof id === "object") { - var model = modelFactory(id) - } else { - var scope = { - $watch: noop + var VMODELS = avalon.vmodels = createMap() //所有vmodel都储存在这里 + avalon.define = function (id, factory) { + var $id = id.$id || id + if (!$id) { + log("warning: vm必须指定$id") + } + if (VMODELS[$id]) { + log("warning: " + $id + " 已经存在于avalon.vmodels中") } - factory(scope) //得到所有定义 - model = modelFactory(scope) //偷天换日,将scope换为model - stopRepeatAssign = true - factory(model) - stopRepeatAssign = false + if (typeof id === "object") { + var model = modelFactory(id) + } else { + var scope = { + $watch: noop + } + factory(scope) //得到所有定义 + model = modelFactory(scope) //偷天换日,将scope换为model + stopRepeatAssign = true + factory(model) + stopRepeatAssign = false + } + model.$id = $id + return VMODELS[$id] = model } - model.$id = $id - return VMODELS[$id] = model -} //一些不需要被监听的属性 -var $$skipArray = String("$id,$watch,$unwatch,$fire,$events,$model,$skipArray").match(rword) + var $$skipArray = String("$id,$watch,$unwatch,$fire,$events,$model,$skipArray").match(rword) -function isObservable(name, value, $skipArray) { - if (isFunction(value) || value && value.nodeType) { - return false - } - if ($skipArray.indexOf(name) !== -1) { - return false - } - if ($$skipArray.indexOf(name) !== -1) { - return false - } - var $special = $skipArray.$special - if (name && name.charAt(0) === "$" && !$special[name]) { - return false - } - return true -} -//ms-with,ms-each, ms-repeat绑定生成的代理对象储存池 -var midway = {} -function getNewValue(accessor, name, value, $vmodel) { - switch (accessor.type) { - case 0://计算属性 - var getter = accessor.get - var setter = accessor.set - if (isFunction(setter)) { - var $events = $vmodel.$events - var lock = $events[name] - $events[name] = [] //清空回调,防止内部冒泡而触发多次$fire - setter.call($vmodel, value) - $events[name] = lock - } - return getter.call($vmodel) //同步$model - case 1://监控属性 - return value - case 2://对象属性(包括数组与哈希) - if (value !== $vmodel.$model[name]) { - var svmodel = accessor.svmodel = objectFactory($vmodel, name, value, accessor.valueType) - value = svmodel.$model //同步$model - var fn = midway[svmodel.$id] - fn && fn() //同步视图 - } - return value + function isObservable(name, value, $skipArray) { + if (isFunction(value) || value && value.nodeType) { + return false + } + if ($skipArray.indexOf(name) !== -1) { + return false + } + if ($$skipArray.indexOf(name) !== -1) { + return false + } + var $special = $skipArray.$special + if (name && name.charAt(0) === "$" && !$special[name]) { + return false + } + return true } -} -var defineProperty = Object.defineProperty -var canHideOwn = true -//如果浏览器不支持ecma262v5的Object.defineProperties或者存在BUG,比如IE8 -//标准浏览器使用__defineGetter__, __defineSetter__实现 -try { - defineProperty({}, "_", { - value: "x" - }) - var defineProperties = Object.defineProperties -} catch (e) { - canHideOwn = false -} -function modelFactory(source, $special, $model) { - if (Array.isArray(source)) { - var arr = source.concat() - source.length = 0 - var collection = Collection(source) - collection.pushArray(arr) - return collection - } - if (typeof source.nodeType === "number") { - return source - } - if (source.$id && source.$events) { //fix IE6-8 createWithProxy $val: val引发的BUG - return source - } - if (!Array.isArray(source.$skipArray)) { - source.$skipArray = [] - } - source.$skipArray.$special = $special || {} //强制要监听的属性 - var $vmodel = {} //要返回的对象, 它在IE6-8下可能被偷龙转凤 - $model = $model || {} //vmodels.$model属性 - var $events = {} //vmodel.$events属性 - var watchedProperties = {} //监控属性 - var initCallbacks = [] //初始化才执行的函数 - for (var i in source) { - (function(name, val) { - $model[name] = val - if (!isObservable(name, val, source.$skipArray)) { - return //过滤所有非监控属性 - } - //总共产生三种accessor - $events[name] = [] - var valueType = avalon.type(val) - var accessor = function(newValue) { - var name = accessor._name - var $vmodel = this - var $model = $vmodel.$model - var oldValue = $model[name] - var $events = $vmodel.$events - - if (arguments.length) { - if (stopRepeatAssign) { - return - } - //计算属性与对象属性需要重新计算newValue - if (accessor.type !== 1) { - newValue = getNewValue(accessor, name, newValue, $vmodel) - } - if (!isEqual(oldValue, newValue)) { - $model[name] = newValue - if ($events.$digest) { - if(accessor.pedding) +//ms-with,ms-each, ms-repeat绑定生成的代理对象储存池 + var midway = createMap() + + function getNewValue(accessor, name, value, $vmodel) { + switch (accessor.type) { + case 0://计算属性 + var getter = accessor.get + var setter = accessor.set + if (isFunction(setter)) { + var $events = $vmodel.$events + var lock = $events[name] + $events[name] = [] //清空回调,防止内部冒泡而触发多次$fire + setter.call($vmodel, value) + $events[name] = lock + } + return getter.call($vmodel) //同步$model + case 1://监控属性 + return value + case 2://对象属性(包括数组与哈希) + if (value !== $vmodel.$model[name]) { + var svmodel = accessor.svmodel = objectFactory($vmodel, name, value, accessor.valueType) + value = svmodel.$model //同步$model + var fn = midway[svmodel.$id] + fn && fn() //同步视图 + } + return value + } + } + + function modelFactory(source, $special, $model) { + if (Array.isArray(source)) { + var arr = source.concat() + source.length = 0 + var collection = Collection(source)// jshint ignore:line + collection.pushArray(arr) + return collection + } + //0 null undefined || Node || VModel + if (!source || source.nodeType > 0 || (source.$id && source.$events)) { + return source + } + if (!Array.isArray(source.$skipArray)) { + source.$skipArray = [] + } + source.$skipArray.$special = $special || createMap() //强制要监听的属性 + var $vmodel = {} //要返回的对象, 它在IE6-8下可能被偷龙转凤 + $model = $model || {} //vmodels.$model属性 + var $events = createMap() //vmodel.$events属性 + var watchedProperties = createMap() //监控属性 + var initCallbacks = [] //初始化才执行的函数 + for (var i in source) { + (function (name, val) { + $model[name] = val + if (!isObservable(name, val, source.$skipArray)) { + return //过滤所有非监控属性 + } + //总共产生三种accessor + $events[name] = [] + var valueType = avalon.type(val) + var accessor = function (newValue) { + var name = accessor._name + var $vmodel = this + var $model = $vmodel.$model + var oldValue = $model[name] + var $events = $vmodel.$events + + if (arguments.length) { + if (stopRepeatAssign) { + return + } + //计算属性与对象属性需要重新计算newValue + if (accessor.type !== 1) { + newValue = getNewValue(accessor, name, newValue, $vmodel) + if (!accessor.type) return - accessor.pedding = true - setTimeout(function() { - notifySubscribers($events[name]) //同步视图 - safeFire($vmodel, name, $model[name], oldValue) //触发$watch回调 - accessor.pedding = false - }) - } else { + } + if (!isEqual(oldValue, newValue)) { + $model[name] = newValue notifySubscribers($events[name]) //同步视图 safeFire($vmodel, name, newValue, oldValue) //触发$watch回调 } - } - } else { - if (accessor.type === 0) { //type 0 计算属性 1 监控属性 2 对象属性 - //计算属性不需要收集视图刷新函数,都是由其他监控属性代劳 - return $model[name] = accessor.get.call($vmodel) } else { - collectSubscribers($events[name]) //收集视图函数 - return accessor.svmodel || oldValue + if (accessor.type === 0) { //type 0 计算属性 1 监控属性 2 对象属性 + //计算属性不需要收集视图刷新函数,都是由其他监控属性代劳 + newValue = accessor.get.call($vmodel) + if (oldValue !== newValue) { + $model[name] = newValue + //这里不用同步视图 + safeFire($vmodel, name, newValue, oldValue) //触发$watch回调 + } + return newValue + } else { + collectSubscribers($events[name]) //收集视图函数 + return accessor.svmodel || oldValue + } } } - } - //总共产生三种accessor - if (valueType === "object" && isFunction(val.get) && Object.keys(val).length <= 2) { - //第1种为计算属性, 因变量,通过其他监控属性触发其改变 - accessor.set = val.set - accessor.get = val.get - accessor.type = 0 - initCallbacks.push(function() { - var data = { - evaluator: function() { - data.element = null - data.type = new Date - 0 - $model[name] = accessor.get.call($vmodel) - }, - element: head, - type: new Date - 0, - handler: noop, - args: [] - } - Registry[expose] = data - accessor.call($vmodel) - delete Registry[expose] - }) - } else if (rcomplexType.test(valueType)) { - //第2种为对象属性,产生子VM与监控数组 - accessor.type = 2 - accessor.valueType = val.valueType - initCallbacks.push(function() { - var svmodel = modelFactory(val, 0, $model[name]) - accessor.svmodel = svmodel - svmodel.$events[subscribers] = $events[name] - }) - } else { - accessor.type = 1 - //第3种为监控属性,对应简单的数据类型,自变量 - } - accessor._name = name - watchedProperties[name] = accessor - })(i, source[i]) - } + //总共产生三种accessor + if (valueType === "object" && isFunction(val.get) && Object.keys(val).length <= 2) { + //第1种为计算属性, 因变量,通过其他监控属性触发其改变 + accessor.set = val.set + accessor.get = val.get + accessor.type = 0 + initCallbacks.push(function () { + var data = { + evaluator: function () { + data.type = Math.random(), + data.element = null + $model[name] = accessor.get.call($vmodel) + }, + element: head, + type: Math.random(), + handler: noop, + args: [] + } + Registry[expose] = data + accessor.call($vmodel) + delete Registry[expose] + }) + } else if (rcomplexType.test(valueType)) { + //第2种为对象属性,产生子VM与监控数组 + accessor.type = 2 + accessor.valueType = valueType + initCallbacks.push(function () { + var svmodel = modelFactory(val, 0, $model[name]) + accessor.svmodel = svmodel + svmodel.$events[subscribers] = $events[name] + }) + } else { + accessor.type = 1 + //第3种为监控属性,对应简单的数据类型,自变量 + } + accessor._name = name + watchedProperties[name] = accessor + })(i, source[i])// jshint ignore:line + } - $$skipArray.forEach(function(name) { - delete source[name] - delete $model[name] //这些特殊属性不应该在$model中出现 - }) + $$skipArray.forEach(function (name) { + delete source[name] + delete $model[name] //这些特殊属性不应该在$model中出现 + }) - $vmodel = defineProperties($vmodel, descriptorFactory(watchedProperties), source) //生成一个空的ViewModel - for (var name in source) { - if (!watchedProperties[name]) { - $vmodel[name] = source[name] + $vmodel = Object.defineProperties($vmodel, descriptorFactory(watchedProperties), source) //生成一个空的ViewModel + for (var name in source) { + if (!watchedProperties[name]) { + $vmodel[name] = source[name] + } } - } - //添加$id, $model, $events, $watch, $unwatch, $fire - $vmodel.$id = generateID() - $vmodel.$model = $model - $vmodel.$events = $events - for (var i in EventBus) { - var fn = EventBus[i] - if (!W3C) { //在IE6-8下,VB对象的方法里的this并不指向自身,需要用bind处理一下 - fn = fn.bind($vmodel) + //添加$id, $model, $events, $watch, $unwatch, $fire + $vmodel.$id = generateID() + $vmodel.$model = $model + $vmodel.$events = $events + for (i in EventBus) { + $vmodel[i] = EventBus[i] } - $vmodel[i] = fn - } - if (canHideOwn) { Object.defineProperty($vmodel, "hasOwnProperty", { - value: function(name) { + value: function (name) { return name in this.$model }, writable: false, @@ -927,3483 +1043,3857 @@ function modelFactory(source, $special, $model) { configurable: true }) - } else { - $vmodel.hasOwnProperty = function(name) { - return name in $vmodel.$model - } + initCallbacks.forEach(function (cb) { //收集依赖 + cb() + }) + return $vmodel } - initCallbacks.forEach(function(cb) { //收集依赖 - cb() - }) - return $vmodel -} //比较两个值是否相等 -var isEqual = Object.is || function(v1, v2) { - if (v1 === 0 && v2 === 0) { - return 1 / v1 === 1 / v2 - } else if (v1 !== v1) { - return v2 !== v2 - } else { - return v1 === v2 - } -} + var isEqual = Object.is || function (v1, v2) { + if (v1 === 0 && v2 === 0) { + return 1 / v1 === 1 / v2 + } else if (v1 !== v1) { + return v2 !== v2 + } else { + return v1 === v2 + } + } -function safeFire(a, b, c, d) { - if (a.$events) { - EventBus.$fire.call(a, b, c, d) + function safeFire(a, b, c, d) { + if (a.$events) { + EventBus.$fire.call(a, b, c, d) + } } -} -var descriptorFactory = W3C ? function(obj) { - var descriptors = {} - for (var i in obj) { - descriptors[i] = { - get: obj[i], - set: obj[i], - enumerable: true, - configurable: true + var descriptorFactory = function (obj) { + var descriptors = createMap() + for (var i in obj) { + descriptors[i] = { + get: obj[i], + set: obj[i], + enumerable: true, + configurable: true + } } + return descriptors } - return descriptors -} : function(a) { - return a -} +//应用于第2种accessor + function objectFactory(parent, name, value, valueType) { + //a为原来的VM, b为新数组或新对象 + var son = parent[name] + if (valueType === "array") { + if (!Array.isArray(value) || son === value) { + return son //fix https://github.com/RubyLouvre/avalon/issues/261 + } + son._.$unwatch() + son.clear() + son._.$watch() + son.pushArray(value.concat()) + return son + } else { + var iterators = parent.$events[name] + var ret = modelFactory(value) + ret.$events[subscribers] = iterators + midway[ret.$id] = function (data) { + while (data = iterators.shift()) { + (function (el) { + avalon.nextTick(function () { + var type = el.type + if (type && bindingHandlers[type]) { //#753 + el.rollback && el.rollback() //还原 ms-with ms-on + bindingHandlers[type](el, el.vmodels) + } + }) + })(data)// jshint ignore:line + } + delete midway[ret.$id] + } + return ret + } + } + /********************************************************************* + * 监控数组(与ms-each, ms-repeat配合使用) * + **********************************************************************/ -//应用于第2种accessor -function objectFactory(parent, name, value, valueType) { - //a为原来的VM, b为新数组或新对象 - var son = parent[name] - if (valueType === "array") { - if (!Array.isArray(value) || son === value) { - return son //fix https://github.com/RubyLouvre/avalon/issues/261 - } - son.clear() - son.pushArray(value.concat()) - return son - } else { - var iterators = parent.$events[name] - var pool = son.$events.$withProxyPool - if (pool) { - recycleProxies(pool, "with") - son.$events.$withProxyPool = null - } - var ret = modelFactory(value) - ret.$events[subscribers] = iterators - midway[ret.$id] = function(data) { - while (data = iterators.shift()) { - (function(el) { - avalon.nextTick(function() { - if (el.type) { //重新绑定 - el.rollback && el.rollback() //还原 ms-with ms-on - bindingHandlers[el.type](el, el.vmodels) + function Collection(model) { + var array = [] + array.$id = generateID() + array.$model = model //数据模型 + array.$events = {} + array.$events[subscribers] = [] + array._ = modelFactory({ + length: model.length + }) + array._.$watch("length", function (a, b) { + array.$fire("length", a, b) + }) + for (var i in EventBus) { + array[i] = EventBus[i] + } + array.$map = { + el: 1 + } + array.$proxy = [] + avalon.mix(array, CollectionPrototype) + return array + } + + function mutateArray(method, pos, n, index, method2, pos2, n2) { + var oldLen = this.length, loop = 2 + while (--loop) { + switch (method) { + case "add": + /* jshint ignore:start */ + var m = pos + n + var array = this.$model.slice(pos, m).map(function (el) { + if (rcomplexType.test(avalon.type(el))) {//转换为VM + return el.$id ? el : modelFactory(el, 0, el) + } else { + return el } }) - })(data) + /* jshint ignore:end */ + for (var i = pos; i < m; i++) {//生成代理VM + var proxy = eachProxyAgent(i, this) + this.$proxy.splice(i, 0, proxy) + } + _splice.apply(this, [pos, 0].concat(array)) + this._fire("add", pos, n) + break + case "del": + var ret = this._splice(pos, n) + var removed = this.$proxy.splice(pos, n) //回收代理VM + recycleProxies(removed, "each") + this._fire("del", pos, n) + break + } + if (method2) { + method = method2 + pos = pos2 + n = n2 + loop = 2 + method2 = 0 } - delete midway[ret.$id] + } + resetIndex(this.$proxy, index) + if (this.length !== oldLen) { + this._.length = this.length } return ret } -} -/********************************************************************* - * 监控数组(与ms-each, ms-repeat配合使用) * - **********************************************************************/ - -function Collection(model) { - var array = [] - array.$id = generateID() - array.$model = model //数据模型 - array.$events = {} - array.$events[subscribers] = [] - array._ = modelFactory({ - length: model.length - }) - array._.$watch("length", function(a, b) { - array.$fire("length", a, b) - }) - for (var i in EventBus) { - array[i] = EventBus[i] - } - avalon.mix(array, CollectionPrototype) - return array -} - -function mutateArray(method, pos, n, index, method2, pos2, n2) { - var oldLen = this.length, loop = 2 - while (--loop) { - switch (method) { - case "add": - var array = this.$model.slice(pos, pos + n).map(function(el) { - if (rcomplexType.test(avalon.type(el))) { - return el.$id ? el : modelFactory(el, 0, el) - } else { - return el - } - }) - _splice.apply(this, [pos, 0].concat(array)) - this._fire("add", pos, n) - break - case "del": - var ret = this._splice(pos, n) - this._fire("del", pos, n) - break - } - if (method2) { - method = method2 - pos = pos2 - n = n2 - loop = 2 - method2 = 0 - } - } - this._fire("index", index) - if (this.length !== oldLen) { - this._.length = this.length - } - return ret -} - -var _splice = ap.splice -var CollectionPrototype = { - _splice: _splice, - _fire: function(method, a, b) { - var list = this.$events[subscribers] - for (var i = 0, fn; fn = list[i++]; ) { - if (fn.$repeat) { - fn.handler.call(fn, method, a, b) //处理监控数组的方法 - } - } - }, - size: function() { //取得数组长度,这个函数可以同步视图,length不能 - return this._.length - }, - pushArray: function(array) { - var m = array.length, n = this.length - if (m) { - ap.push.apply(this.$model, array) - mutateArray.call(this, "add", n, m, n) - } - return m + n - }, - push: function() { - //http://jsperf.com/closure-with-arguments - var array = [] - var i, n = arguments.length - for (i = 0; i < n; i++) { - array[i] = arguments[i] - } - return this.pushArray(arguments) - }, - unshift: function() { - var m = arguments.length, n = this.length - if (m) { - ap.unshift.apply(this.$model, arguments) - mutateArray.call(this, "add", 0, m, 0) - } - return m + n //IE67的unshift不会返回长度 - }, - shift: function() { - if (this.length) { - var el = this.$model.shift() - mutateArray.call(this, "del", 0, 1, 0) - return el //返回被移除的元素 - } - }, - pop: function() { - var m = this.length - if (m) { - var el = this.$model.pop() - mutateArray.call(this, "del", m - 1, 1, Math.max(0, m - 2)) - return el //返回被移除的元素 - } - }, - splice: function(start) { - var m = arguments.length, args = [], change - var removed = _splice.apply(this.$model, arguments) - if (removed.length) { //如果用户删掉了元素 - args.push("del", start, removed.length, 0) - change = true - } - if (m > 2) { //如果用户添加了元素 - args.splice(3, 1, 0, "add", start, m - 2) - change = true - } - if (change) { //返回被移除的元素 - return mutateArray.apply(this, args) - } else { + + var _splice = ap.splice + var CollectionPrototype = { + _splice: _splice, + _fire: function (method, a, b) { + notifySubscribers(this.$events[subscribers], method, a, b) + }, + size: function () { //取得数组长度,这个函数可以同步视图,length不能 + return this._.length + }, + pushArray: function (array) { + var m = array.length, n = this.length + if (m) { + ap.push.apply(this.$model, array) + mutateArray.call(this, "add", n, m, Math.max(0, n - 1)) + } + return m + n + }, + push: function () { + //http://jsperf.com/closure-with-arguments + var array = [] + var i, n = arguments.length + for (i = 0; i < n; i++) { + array[i] = arguments[i] + } + return this.pushArray(array) + }, + unshift: function () { + var m = arguments.length, n = this.length + if (m) { + ap.unshift.apply(this.$model, arguments) + mutateArray.call(this, "add", 0, m, 0) + } + return m + n //IE67的unshift不会返回长度 + }, + shift: function () { + if (this.length) { + var el = this.$model.shift() + mutateArray.call(this, "del", 0, 1, 0) + return el //返回被移除的元素 + } + }, + pop: function () { + var n = this.length + if (n) { + var el = this.$model.pop() + mutateArray.call(this, "del", n - 1, 1, Math.max(0, n - 2)) + return el //返回被移除的元素 + } + }, + splice: function (start) { + var m = arguments.length, args = [], change + var removed = _splice.apply(this.$model, arguments) + if (removed.length) { //如果用户删掉了元素 + args.push("del", start, removed.length, 0) + change = true + } + if (m > 2) { //如果用户添加了元素 + if (change) { + args.splice(3, 1, 0, "add", start, m - 2) + } else { + args.push("add", start, m - 2, 0) + } + change = true + } + if (change) { //返回被移除的元素 + return mutateArray.apply(this, args) + } else { + return [] + } + }, + contains: function (el) { //判定是否包含 + return this.indexOf(el) !== -1 + }, + remove: function (el) { //移除第一个等于给定值的元素 + return this.removeAt(this.indexOf(el)) + }, + removeAt: function (index) { //移除指定索引上的元素 + if (index >= 0) { + this.$model.splice(index, 1) + return mutateArray.call(this, "del", index, 1, 0) + } return [] - } - }, - contains: function(el) { //判定是否包含 - return this.indexOf(el) !== -1 - }, - remove: function(el) { //移除第一个等于给定值的元素 - return this.removeAt(this.indexOf(el)) - }, - removeAt: function(index) { //移除指定索引上的元素 - if (index >= 0) { - this.$model.splice(index, 1) - return mutateArray.call(this, "del", index, 1, 0) - } - return [] - }, - clear: function() { - this.$model.length = this.length = this._.length = 0 //清空数组 - this._fire("clear", 0) - return this - }, - removeAll: function(all) { //移除N个元素 - if (Array.isArray(all)) { - all.forEach(function(el) { - this.remove(el) - }, this) - } else if (typeof all === "function") { - for (var i = this.length - 1; i >= 0; i--) { - var el = this[i] - if (all(el, i)) { - this.removeAt(i) + }, + clear: function () { + recycleProxies(this.$proxy, "each") + this.$model.length = this.$proxy.length = this.length = this._.length = 0 //清空数组 + this._fire("clear", 0) + return this + }, + removeAll: function (all) { //移除N个元素 + if (Array.isArray(all)) { + all.forEach(function (el) { + this.remove(el) + }, this) + } else if (typeof all === "function") { + for (var i = this.length - 1; i >= 0; i--) { + var el = this[i] + if (all(el, i)) { + this.removeAt(i) + } } + } else { + this.clear() } - } else { - this.clear() - } - }, - ensure: function(el) { - if (!this.contains(el)) { //只有不存在才push - this.push(el) - } - return this - }, - set: function(index, val) { - if (index >= 0) { - var valueType = avalon.type(val) - if (val && val.$model) { - val = val.$model - } - var target = this[index] - if (valueType === "object") { - for (var i in val) { - if (target.hasOwnProperty(i)) { - target[i] = val[i] + }, + ensure: function (el) { + if (!this.contains(el)) { //只有不存在才push + this.push(el) + } + return this + }, + set: function (index, val) { + if (index >= 0) { + var valueType = avalon.type(val) + if (val && val.$model) { + val = val.$model + } + var target = this[index] + if (valueType === "object") { + for (var i in val) { + if (target.hasOwnProperty(i)) { + target[i] = val[i] + } } + } else if (valueType === "array") { + target.clear().push.apply(target, val) + } else if (target !== val) { + this[index] = val + this.$model[index] = val + var proxy = this.$proxy[index] + if (proxy) { + notifySubscribers(proxy.$events.el) + } + // this._fire("set", index, val) } - } else if (valueType === "array") { - target.clear().push.apply(target, val) - } else if (target !== val) { - this[index] = val - this.$model[index] = val - this._fire("set", index, val) } + return this + } + } +//相当于原来bindingExecutors.repeat 的index分支 + function resetIndex(array, pos) { + var last = array.length - 1 + for (var el; el = array[pos]; pos++) { + el.$index = pos + el.$first = pos === 0 + el.$last = pos === last } - return this } -} -function sortByIndex(array, indexes) { - var map = {}; - for (var i = 0, n = indexes.length; i < n; i++) { - map[i] = array[i] // preserve - var j = indexes[i] - if (j in map) { - array[i] = map[j] - delete map[j] - } else { - array[i] = array[j] - } - } -} - -"sort,reverse".replace(rword, function(method) { - CollectionPrototype[method] = function() { - var newArray = this.$model//这是要排序的新数组 - var oldArray = newArray.concat() //保持原来状态的旧数组 - var mask = Math.random() - var indexes = [] - var hasSort - ap[method].apply(newArray, arguments) //排序 - for (var i = 0, n = oldArray.length; i < n; i++) { - var neo = newArray[i] - var old = oldArray[i] - if (isEqual(neo, old)) { - indexes.push(i) + function sortByIndex(array, indexes) { + var map = {}; + for (var i = 0, n = indexes.length; i < n; i++) { + map[i] = array[i] // preserve + var j = indexes[i] + if (j in map) { + array[i] = map[j] + delete map[j] } else { - var index = oldArray.indexOf(neo) - indexes.push(index)//得到新数组的每个元素在旧数组对应的位置 - oldArray[index] = mask //屏蔽已经找过的元素 - hasSort = true + array[i] = array[j] } } - if (hasSort) { - sortByIndex(this, indexes) - this._fire("move", indexes) - this._fire("index", 0) - } - return this } -}) - -/********************************************************************* - * 依赖调度系统 * - **********************************************************************/ -var ronduplex = /^(duplex|on)$/ -function registerSubscriber(data) { - Registry[expose] = data //暴光此函数,方便collectSubscribers收集 - avalon.openComputedCollect = true - var fn = data.evaluator - if (fn) { //如果是求值函数 - try { - var c = ronduplex.test(data.type) ? data : fn.apply(0, data.args) - data.handler(c, data.element, data) - } catch (e) { - //log("warning:exception throwed in [registerSubscriber] " + e) - delete data.evaluator - var node = data.element - if (node.nodeType === 3) { - var parent = node.parentNode - if (kernel.commentInterpolate) { - parent.replaceChild(DOC.createComment(data.value), node) + "sort,reverse".replace(rword, function (method) { + CollectionPrototype[method] = function () { + var newArray = this.$model//这是要排序的新数组 + var oldArray = newArray.concat() //保持原来状态的旧数组 + var mask = Math.random() + var indexes = [] + var hasSort + ap[method].apply(newArray, arguments) //排序 + for (var i = 0, n = oldArray.length; i < n; i++) { + var neo = newArray[i] + var old = oldArray[i] + if (isEqual(neo, old)) { + indexes.push(i) } else { - node.data = openTag + data.value + closeTag + var index = oldArray.indexOf(neo) + indexes.push(index)//得到新数组的每个元素在旧数组对应的位置 + oldArray[index] = mask //屏蔽已经找过的元素 + hasSort = true } } + if (hasSort) { + sortByIndex(this, indexes) + sortByIndex(this.$proxy, indexes) + this._fire("move", indexes) + resetIndex(this.$proxy, 0) + } + return this } + }) + + /********************************************************************* + * 依赖调度系统 * + **********************************************************************/ + var ronduplex = /^(duplex|on)$/ + + avalon.injectBinding = function (data) { + Registry[expose] = data //暴光此函数,方便collectSubscribers收集 + avalon.openComputedCollect = true + var fn = data.evaluator + if (fn) { //如果是求值函数 + try { + var c = ronduplex.test(data.type) ? data : fn.apply(0, data.args) + if (!data.noRefresh) + data.handler(c, data.element, data) + } catch (e) { + //log("warning:exception throwed in [avalon.injectBinding] " + e) + delete data.evaluator + var node = data.element + if (node.nodeType === 3) { + var parent = node.parentNode + if (kernel.commentInterpolate) { + parent.replaceChild(DOC.createComment(data.value), node) + } else { + node.data = openTag + data.value + closeTag + } + } + } + } + avalon.openComputedCollect = false + delete Registry[expose] } - avalon.openComputedCollect = false - delete Registry[expose] -} -function collectSubscribers(list) { //收集依赖于这个访问器的订阅者 - var data = Registry[expose] - if (list && data && avalon.Array.ensure(list, data) && data.element) { //只有数组不存在此元素才push进去 - addSubscribers(data, list) + function collectSubscribers(list) { //收集依赖于这个访问器的订阅者 + var data = Registry[expose] + if (list && data && avalon.Array.ensure(list, data) && data.element) { //只有数组不存在此元素才push进去 + addSubscribers(data, list) + } } -} -function addSubscribers(data, list) { - data.$uuid = data.$uuid || generateID() - list.$uuid = list.$uuid || generateID() - var obj = { - data: data, - list: list, - $$uuid: data.$uuid + list.$uuid - } - if (!$$subscribers[obj.$$uuid]) { - $$subscribers[obj.$$uuid] = 1 - $$subscribers.push(obj) + function addSubscribers(data, list) { + data.$uuid = data.$uuid || generateID() + list.$uuid = list.$uuid || generateID() + var obj = { + data: data, + list: list, + $$uuid: data.$uuid + list.$uuid + } + if (!$$subscribers[obj.$$uuid]) { + $$subscribers[obj.$$uuid] = 1 + $$subscribers.push(obj) + } } -} -function disposeData(data) { - data.element = null - data.rollback && data.rollback() - for (var key in data) { - data[key] = null + function disposeData(data) { + data.element = null + data.rollback && data.rollback() + for (var key in data) { + data[key] = null + } } -} -function isRemove(el) { - try {//IE下,如果文本节点脱离DOM树,访问parentNode会报错 - if (!el.parentNode) { + function isRemove(el) { + try {//IE下,如果文本节点脱离DOM树,访问parentNode会报错 + if (!el.parentNode) { + return true + } + } catch (e) { return true } - } catch (e) { - return true - } - return el.msRetain ? 0 : (el.nodeType === 1 ? typeof el.sourceIndex === "number" ? - el.sourceIndex === 0 : !root.contains(el) : !avalon.contains(root, el)) -} -var $$subscribers = avalon.$$subscribers = [] -var beginTime = new Date() -var oldInfo = {} -function removeSubscribers() { - var i = $$subscribers.length - var n = i - var k = 0 - var obj - var types = [] - var newInfo = {} - var needTest = {} - while (obj = $$subscribers[--i]) { - var data = obj.data - var type = data.type - if (newInfo[type]) { - newInfo[type]++ - } else { - newInfo[type] = 1 - types.push(type) - } + return el.msRetain ? 0 : (el.nodeType === 1 ? typeof el.sourceIndex === "number" ? + el.sourceIndex === 0 : !root.contains(el) : !avalon.contains(root, el)) } - var diff = false - types.forEach(function(type) { - if (oldInfo[type] !== newInfo[type]) { - needTest[type] = 1 - diff = true - } - }) - i = n - //avalon.log("需要检测的个数 " + i) - if (diff) { - //avalon.log("有需要移除的元素") + + var $$subscribers = avalon.$$subscribers = [] + var beginTime = new Date() + var oldInfo = {} + + function removeSubscribers() { + var i = $$subscribers.length + var n = i + var k = 0 + var obj + var types = [] + var newInfo = {} + var needTest = {} while (obj = $$subscribers[--i]) { var data = obj.data - if (data.element === void 0) - continue - if (needTest[data.type] && isRemove(data.element)) { //如果它没有在DOM树 - k++ - $$subscribers.splice(i, 1) - delete $$subscribers[obj.$$uuid] - avalon.Array.remove(obj.list, data) - //log("debug: remove " + data.type) - disposeData(data) - obj.data = obj.list = null - } - } - } - oldInfo = newInfo - // avalon.log("已经移除的个数 " + k) - beginTime = new Date() -} - -function notifySubscribers(list) { //通知依赖于这个访问器的订阅者更新自身 - if (list && list.length) { - if (new Date() - beginTime > 444 && typeof list[0] === "object") { - removeSubscribers() - } - var args = aslice.call(arguments, 1) - for (var i = list.length, fn; fn = list[--i]; ) { - var el = fn.element - if (el && el.parentNode) { - if (fn.$repeat) { - fn.handler.apply(fn, args) //处理监控数组的方法 - } else if (fn.type !== "on") { //事件绑定只能由用户触发,不能由程序触发 - var fun = fn.evaluator || noop - fn.handler(fun.apply(0, fn.args || []), el, fn) + var type = data.type + if (newInfo[type]) { + newInfo[type]++ + } else { + newInfo[type] = 1 + types.push(type) + } + } + var diff = false + types.forEach(function (type) { + if (oldInfo[type] !== newInfo[type]) { + needTest[type] = 1 + diff = true + } + }) + i = n + //avalon.log("需要检测的个数 " + i) + if (diff) { + //avalon.log("有需要移除的元素") + while (obj = $$subscribers[--i]) { + data = obj.data + if (data.element === void 0) + continue + if (needTest[data.type] && isRemove(data.element)) { //如果它没有在DOM树 + k++ + $$subscribers.splice(i, 1) + delete $$subscribers[obj.$$uuid] + avalon.Array.remove(obj.list, data) + //log("debug: remove " + data.type) + disposeData(data) + obj.data = obj.list = null } } } + oldInfo = newInfo + // avalon.log("已经移除的个数 " + k) + beginTime = new Date() } -} -/************************************************************************ - * HTML处理(parseHTML, innerHTML, clearHTML) * - **************************************************************************/ + function notifySubscribers(list) { //通知依赖于这个访问器的订阅者更新自身 + if (list && list.length) { + if (new Date() - beginTime > 444 && typeof list[0] === "object") { + removeSubscribers() + } + var args = aslice.call(arguments, 1) + for (var i = list.length, fn; fn = list[--i];) { + var el = fn.element + if (el && el.parentNode) { + if (fn.$repeat) { + fn.handler.apply(fn, args) //处理监控数组的方法 + } else if (fn.type !== "on") { //事件绑定只能由用户触发,不能由程序触发 + var fun = fn.evaluator || noop + fn.handler(fun.apply(0, fn.args || []), el, fn) + } + } + } + } + } + + /************************************************************************ + * HTML处理(parseHTML, innerHTML, clearHTML) * + **************************************************************************/ //parseHTML的辅助变量 -var tagHooks = new function() { - avalon.mix(this, { - option: DOC.createElement("select"), - thead: DOC.createElement("table"), - td: DOC.createElement("tr"), - area: DOC.createElement("map"), - tr: DOC.createElement("tbody"), - col: DOC.createElement("colgroup"), - legend: DOC.createElement("fieldset"), - _default: DOC.createElement("div"), - "g": DOC.createElementNS("http://www.w3.org/2000/svg", "svg") + var tagHooks = new function () {// jshint ignore:line + avalon.mix(this, { + option: DOC.createElement("select"), + thead: DOC.createElement("table"), + td: DOC.createElement("tr"), + area: DOC.createElement("map"), + tr: DOC.createElement("tbody"), + col: DOC.createElement("colgroup"), + legend: DOC.createElement("fieldset"), + _default: DOC.createElement("div"), + "g": DOC.createElementNS("http://www.w3.org/2000/svg", "svg") + }) + this.optgroup = this.option + this.tbody = this.tfoot = this.colgroup = this.caption = this.thead + this.th = this.td + }// jshint ignore:line + + String("circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use").replace(rword, function (tag) { + tagHooks[tag] = tagHooks.g //处理SVG }) - this.optgroup = this.option - this.tbody = this.tfoot = this.colgroup = this.caption = this.thead - this.th = this.td -} - -tagHooks.optgroup = tagHooks.option -tagHooks.tbody = tagHooks.tfoot = tagHooks.colgroup = tagHooks.caption = tagHooks.thead -tagHooks.th = tagHooks.td - -String("circle,defs,ellipse,image,line,path,polygon,polyline,rect,symbol,text,use").replace(rword, function(tag) { - tagHooks[tag] = tagHooks.g //处理SVG -}) -var rtagName = /<([\w:]+)/ -var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig -var scriptTypes = oneObject(["", "text/javascript", "text/ecmascript", "application/ecmascript", "application/javascript"]) -var script = DOC.createElement("script") - -avalon.parseHTML = function(html) { - if (typeof html !== "string") { - html = html + "" - } - html = html.replace(rxhtml, "<$1></$2>").trim() - var tag = (rtagName.exec(html) || ["", ""])[1].toLowerCase(), - //取得其标签名 + var rtagName = /<([\w:]+)/ + var rxhtml = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig + var scriptTypes = oneObject(["", "text/javascript", "text/ecmascript", "application/ecmascript", "application/javascript"]) + var script = DOC.createElement("script") + var rhtml = /<|&#?\w+;/ + avalon.parseHTML = function (html) { + var fragment = hyperspace.cloneNode(false) + if (typeof html !== "string") { + return fragment + } + if (!rhtml.test(html)) { + fragment.appendChild(DOC.createTextNode(html)) + return fragment + } + html = html.replace(rxhtml, "<$1></$2>").trim() + var tag = (rtagName.exec(html) || ["", ""])[1].toLowerCase(), + //取得其标签名 wrapper = tagHooks[tag] || tagHooks._default, - fragment = hyperspace.cloneNode(false), firstChild - wrapper.innerHTML = html - var els = wrapper.getElementsByTagName("script") - if (els.length) { //使用innerHTML生成的script节点不会发出请求与执行text属性 - for (var i = 0, el; el = els[i++]; ) { - if (scriptTypes[el.type]) { - var neo = script.cloneNode(false) //FF不能省略参数 - ap.forEach.call(el.attributes, function(attr) { - neo.setAttribute(attr.name, attr.value) - }) - neo.text = el.text - el.parentNode.replaceChild(neo, el) + wrapper.innerHTML = html + var els = wrapper.getElementsByTagName("script") + if (els.length) { //使用innerHTML生成的script节点不会发出请求与执行text属性 + for (var i = 0, el; el = els[i++];) { + if (scriptTypes[el.type]) { + var neo = script.cloneNode(false) //FF不能省略参数 + ap.forEach.call(el.attributes, function (attr) { + neo.setAttribute(attr.name, attr.value) + })// jshint ignore:line + neo.text = el.text + el.parentNode.replaceChild(neo, el) + } } } - } - while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上! - fragment.appendChild(firstChild) + while (firstChild = wrapper.firstChild) { // 将wrapper上的节点转移到文档碎片上! + fragment.appendChild(firstChild) + } + return fragment } - return fragment -} -avalon.innerHTML = function(node, html) { - var a = this.parseHTML(html) - this.clearHTML(node).appendChild(a) -} + avalon.innerHTML = function (node, html) { + var a = this.parseHTML(html) + this.clearHTML(node).appendChild(a) + } -avalon.clearHTML = function(node) { - node.textContent = "" - while (node.firstChild) { - node.removeChild(node.firstChild) + avalon.clearHTML = function (node) { + node.textContent = "" + while (node.firstChild) { + node.removeChild(node.firstChild) + } + return node } - return node -} -/********************************************************************* - * 扫描系统 * - **********************************************************************/ -avalon.scan = function(elem, vmodel, group) { - elem = elem || root - var vmodels = vmodel ? [].concat(vmodel) : [] - scanTag(elem, vmodels) -} + /********************************************************************* + * 扫描系统 * + **********************************************************************/ + + avalon.scan = function (elem, vmodel) { + elem = elem || root + var vmodels = vmodel ? [].concat(vmodel) : [] + scanTag(elem, vmodels) + } //http://www.w3.org/TR/html5/syntax.html#void-elements -var stopScan = oneObject("area,base,basefont,br,col,command,embed,hr,img,input,link,meta,param,source,track,wbr,noscript,script,style,textarea".toUpperCase()) - -function checkScan(elem, callback, innerHTML) { - var id = setTimeout(function() { - var currHTML = elem.innerHTML - clearTimeout(id) - if (currHTML === innerHTML) { - callback() - } else { - checkScan(elem, callback, currHTML) - } - }) -} + var stopScan = oneObject("area,base,basefont,br,col,command,embed,hr,img,input,link,meta,param,source,track,wbr,noscript,script,style,textarea".toUpperCase()) + + function checkScan(elem, callback, innerHTML) { + var id = setTimeout(function () { + var currHTML = elem.innerHTML + clearTimeout(id) + if (currHTML === innerHTML) { + callback() + } else { + checkScan(elem, callback, currHTML) + } + }) + } -function createSignalTower(elem, vmodel) { - var id = elem.getAttribute("avalonctrl") || vmodel.$id - elem.setAttribute("avalonctrl", id) - vmodel.$events.expr = elem.tagName + '[avalonctrl="' + id + '"]' -} + function createSignalTower(elem, vmodel) { + var id = elem.getAttribute("avalonctrl") || vmodel.$id + elem.setAttribute("avalonctrl", id) + vmodel.$events.expr = elem.tagName + '[avalonctrl="' + id + '"]' + } -var getBindingCallback = function(elem, name, vmodels) { - var callback = elem.getAttribute(name) - if (callback) { - for (var i = 0, vm; vm = vmodels[i++]; ) { - if (vm.hasOwnProperty(callback) && typeof vm[callback] === "function") { - return vm[callback] + var getBindingCallback = function (elem, name, vmodels) { + var callback = elem.getAttribute(name) + if (callback) { + for (var i = 0, vm; vm = vmodels[i++];) { + if (vm.hasOwnProperty(callback) && typeof vm[callback] === "function") { + return vm[callback] + } } } } -} -function executeBindings(bindings, vmodels) { - for (var i = 0, data; data = bindings[i++]; ) { - data.vmodels = vmodels - bindingHandlers[data.type](data, vmodels) - if (data.evaluator && data.element && data.element.nodeType === 1) { //移除数据绑定,防止被二次解析 - //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 - data.element.removeAttribute(data.name) + function executeBindings(bindings, vmodels) { + for (var i = 0, data; data = bindings[i++];) { + data.vmodels = vmodels + bindingHandlers[data.type](data, vmodels) + if (data.evaluator && data.element && data.element.nodeType === 1) { //移除数据绑定,防止被二次解析 + //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 + data.element.removeAttribute(data.name) + } } + bindings.length = 0 } - bindings.length = 0 -} //https://github.com/RubyLouvre/avalon/issues/636 -var mergeTextNodes = IEVersion && window.MutationObserver ? function (elem) { - var node = elem.firstChild, text - while (node) { - var aaa = node.nextSibling - if (node.nodeType === 3) { - if (text) { - text.nodeValue += node.nodeValue - elem.removeChild(node) + var mergeTextNodes = IEVersion && window.MutationObserver ? function (elem) { + var node = elem.firstChild, text + while (node) { + var aaa = node.nextSibling + if (node.nodeType === 3) { + if (text) { + text.nodeValue += node.nodeValue + elem.removeChild(node) + } else { + text = node + } } else { - text = node + text = null } - } else { - text = null - } - node = aaa - } -} : 0 - -var rmsAttr = /ms-(\w+)-?(.*)/ -var priorityMap = { - "if": 10, - "repeat": 90, - "data": 100, - "widget": 110, - "each": 1400, - "with": 1500, - "duplex": 2000, - "on": 3000 -} - -var events = oneObject("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit") -var obsoleteAttrs = oneObject("value,title,alt,checked,selected,disabled,readonly,enabled") -function bindingSorter(a, b) { - return a.priority - b.priority -} - -function scanTag(elem, vmodels, node) { - //扫描顺序 ms-skip(0) --> ms-important(1) --> ms-controller(2) --> ms-if(10) --> ms-repeat(100) - //--> ms-if-loop(110) --> ms-attr(970) ...--> ms-each(1400)-->ms-with(1500)--〉ms-duplex(2000)垫后 - var a = elem.getAttribute("ms-skip") - var b = elem.getAttributeNode("ms-important") - var c = elem.getAttributeNode("ms-controller") - if (typeof a === "string") { - return - } else if (node = b || c) { - var newVmodel = avalon.vmodels[node.value] - if (!newVmodel) { - return + node = aaa } - //ms-important不包含父VM,ms-controller相反 - vmodels = node === b ? [newVmodel] : [newVmodel].concat(vmodels) - elem.removeAttribute(node.name) //removeAttributeNode不会刷新[ms-controller]样式规则 - elem.classList.remove(node.name) - createSignalTower(elem, newVmodel) - } - scanAttr(elem, vmodels) //扫描特性节点 -} -function scanNodeList(parent, vmodels) { - var node = parent.firstChild - while (node) { - var nextNode = node.nextSibling - scanNode(node, node.nodeType, vmodels) - node = nextNode - } -} - -function scanNodeArray(nodes, vmodels) { - for (var i = 0, node; node = nodes[i++]; ) { - scanNode(node, node.nodeType, vmodels) - } -} -function scanNode(node, nodeType, vmodels) { - if (nodeType === 1) { - scanTag(node, vmodels) //扫描元素节点 - } else if (nodeType === 3 && rexpr.test(node.data)){ - scanText(node, vmodels) //扫描文本节点 - } else if (kernel.commentInterpolate && nodeType === 8 && !rexpr.test(node.nodeValue)) { - scanText(node, vmodels) //扫描注释节点 - } -} -function scanAttr(elem, vmodels) { - //防止setAttribute, removeAttribute时 attributes自动被同步,导致for循环出错 - var attributes = elem.hasAttributes() ? avalon.slice(elem.attributes) : [] - var bindings = [], - msData = {}, + } : 0 + + var rmsAttr = /ms-(\w+)-?(.*)/ + var priorityMap = { + "if": 10, + "repeat": 90, + "data": 100, + "widget": 110, + "each": 1400, + "with": 1500, + "duplex": 2000, + "on": 3000 + } + + var events = oneObject("animationend,blur,change,input,click,dblclick,focus,keydown,keypress,keyup,mousedown,mouseenter,mouseleave,mousemove,mouseout,mouseover,mouseup,scan,scroll,submit") + var obsoleteAttrs = oneObject("value,title,alt,checked,selected,disabled,readonly,enabled") + + function bindingSorter(a, b) { + return a.priority - b.priority + } + + function scanAttr(elem, vmodels) { + //防止setAttribute, removeAttribute时 attributes自动被同步,导致for循环出错 + var attributes = elem.hasAttributes() ? avalon.slice(elem.attributes) : [] + var bindings = [], + msData = createMap(), match - for (var i = 0, attr; attr = attributes[i++]; ) { - if (attr.specified) { - if (match = attr.name.match(rmsAttr)) { - //如果是以指定前缀命名的 - var type = match[1] - var param = match[2] || "" - var value = attr.value - var name = attr.name - msData[name] = value - if (events[type]) { - param = type - type = "on" - } else if (obsoleteAttrs[type]) { - log("ms-" + type + "已经被废弃,请使用ms-attr-*代替") - if (type === "enabled") {//吃掉ms-enabled绑定,用ms-disabled代替 - type = "disabled" - value = "!(" + value + ")" - } - param = type - type = "attr" - elem.removeAttribute(name) - name = "ms-attr-" + param - elem.setAttribute(name, value) - match = [name] + for (var i = 0, attr; attr = attributes[i++];) { + if (attr.specified) { + if (match = attr.name.match(rmsAttr)) { + //如果是以指定前缀命名的 + var type = match[1] + var param = match[2] || "" + var value = attr.value + var name = attr.name msData[name] = value - } - if (typeof bindingHandlers[type] === "function") { - var binding = { - type: type, - param: param, - element: elem, - name: match[0], - value: value, - priority: type in priorityMap ? priorityMap[type] : type.charCodeAt(0) * 10 + (Number(param) || 0) - } - if (type === "html" || type === "text") { - var token = getToken(value) - avalon.mix(binding, token) - binding.filters = binding.filters.replace(rhasHtml, function() { - binding.type = "html" - binding.group = 1 - return "" - }) - } - if (name === "ms-if-loop") { - binding.priority += 100 + if (events[type]) { + param = type + type = "on" + } else if (obsoleteAttrs[type]) { + log("warning!请改用ms-attr-" + type + "代替ms-" + type + "!") + if (type === "enabled") {//吃掉ms-enabled绑定,用ms-disabled代替 + log("warning!ms-enabled或ms-attr-enabled已经被废弃") + type = "disabled" + value = "!(" + value + ")" + } + param = type + type = "attr" + elem.removeAttribute(name) + name = "ms-attr-" + param + elem.setAttribute(name, value) + match = [name] + msData[name] = value } - if (vmodels.length) { - bindings.push(binding) - if (type === "widget") { - elem.msData = elem.msData || msData + if (typeof bindingHandlers[type] === "function") { + var binding = { + type: type, + param: param, + element: elem, + name: match[0], + value: value, + priority: type in priorityMap ? priorityMap[type] : type.charCodeAt(0) * 10 + (Number(param) || 0) + } + if (type === "html" || type === "text") { + var token = getToken(value) + avalon.mix(binding, token) + binding.filters = binding.filters.replace(rhasHtml, function () { + binding.type = "html" + binding.group = 1 + return "" + })// jshint ignore:line + } + if (name === "ms-if-loop") { + binding.priority += 100 + } + if (vmodels.length) { + bindings.push(binding) + if (type === "widget") { + elem.msData = elem.msData || msData + } } } } } } + var control = elem.type + if (control && msData["ms-duplex"]) { + if (msData["ms-attr-checked"] && /radio|checkbox/.test(control)) { + log("warning!" + control + "控件不能同时定义ms-attr-checked与ms-duplex") + } + if (msData["ms-attr-value"] && /text|password/.test(control)) { + log("warning!" + control + "控件不能同时定义ms-attr-value与ms-duplex") + } + } + bindings.sort(bindingSorter) + var scanNode = true + for (i = 0; binding = bindings[i]; i++) { + type = binding.type + if (rnoscanAttrBinding.test(type)) { + return executeBindings(bindings.slice(0, i + 1), vmodels) + } else if (scanNode) { + scanNode = !rnoscanNodeBinding.test(type) + } + } + executeBindings(bindings, vmodels) + if (scanNode && !stopScan[elem.tagName] && rbind.test(elem.innerHTML + elem.textContent)) { + mergeTextNodes && mergeTextNodes(elem) + scanNodeList(elem, vmodels) //扫描子孙元素 + } } - if (msData["ms-attr-checked"] && msData["ms-duplex"]) { - log("warning!一个元素上不能同时定义ms-attr-checked与ms-duplex") + + var rnoscanAttrBinding = /^if|widget|repeat$/ + var rnoscanNodeBinding = /^each|with|html|include$/ + + function scanNodeList(parent, vmodels) { + var node = parent.firstChild + while (node) { + var nextNode = node.nextSibling + scanNode(node, node.nodeType, vmodels) + node = nextNode + } } - bindings.sort(bindingSorter) - var scanNode = true - for (var i = 0, binding; binding = bindings[i]; i++) { - var type = binding.type - if (rnoscanAttrBinding.test(type)) { - return executeBindings(bindings.slice(0, i + 1), vmodels) - } else if (scanNode) { - scanNode = !rnoscanNodeBinding.test(type) + + function scanNodeArray(nodes, vmodels) { + for (var i = 0, node; node = nodes[i++];) { + scanNode(node, node.nodeType, vmodels) } } - executeBindings(bindings, vmodels) - if (scanNode && !stopScan[elem.tagName] && rbind.test(elem.innerHTML + elem.textContent)) { - mergeTextNodes && mergeTextNodes(elem) - scanNodeList(elem, vmodels) //扫描子孙元素 + + function scanNode(node, nodeType, vmodels) { + if (nodeType === 1) { + scanTag(node, vmodels) //扫描元素节点 + if (node.msCallback) { + node.msCallback() + node.msCallback = void 0 + } + } else if (nodeType === 3 && rexpr.test(node.data)) { + scanText(node, vmodels) //扫描文本节点 + } else if (kernel.commentInterpolate && nodeType === 8 && !rexpr.test(node.nodeValue)) { + scanText(node, vmodels) //扫描注释节点 + } } -} -var rnoscanAttrBinding = /^if|widget|repeat$/ -var rnoscanNodeBinding = /^each|with|html|include$/ -var rhasHtml = /\|\s*html\s*/, + function scanTag(elem, vmodels, node) { + //扫描顺序 ms-skip(0) --> ms-important(1) --> ms-controller(2) --> ms-if(10) --> ms-repeat(100) + //--> ms-if-loop(110) --> ms-attr(970) ...--> ms-each(1400)-->ms-with(1500)--〉ms-duplex(2000)垫后 + var a = elem.getAttribute("ms-skip") + var b = elem.getAttributeNode("ms-important") + var c = elem.getAttributeNode("ms-controller") + if (typeof a === "string") { + return + } else if (node = b || c) { + var newVmodel = avalon.vmodels[node.value] + if (!newVmodel) { + return + } + //ms-important不包含父VM,ms-controller相反 + vmodels = node === b ? [newVmodel] : [newVmodel].concat(vmodels) + elem.removeAttribute(node.name) //removeAttributeNode不会刷新[ms-controller]样式规则 + elem.classList.remove(node.name) + createSignalTower(elem, newVmodel) + } + scanAttr(elem, vmodels) //扫描特性节点 + } + + var rhasHtml = /\|\s*html\s*/, r11a = /\|\|/g, rlt = /</g, - rgt = />/g + rgt = />/g, + rstringLiteral = /(['"])(\\\1|.)+?\1/g -function getToken(value) { - if (value.indexOf("|") > 0) { - var index = value.replace(r11a, "\u1122\u3344").indexOf("|") //干掉所有短路或 - if (index > -1) { - return { - filters: value.slice(index), - value: value.slice(0, index), - expr: true + function getToken(value) { + if (value.indexOf("|") > 0) { + var scapegoat = value.replace(rstringLiteral, function (_) { + return Array(_.length + 1).join("1")// jshint ignore:line + }) + var index = scapegoat.replace(r11a, "\u1122\u3344").indexOf("|") //干掉所有短路或 + if (index > -1) { + return { + filters: value.slice(index), + value: value.slice(0, index), + expr: true + } } } + return { + value: value, + filters: "", + expr: true + } } - return { - value: value, - filters: "", - expr: true - } -} -function scanExpr(str) { - var tokens = [], + function scanExpr(str) { + var tokens = [], value, start = 0, stop - do { - stop = str.indexOf(openTag, start) - if (stop === -1) { - break - } - value = str.slice(start, stop) - if (value) { // {{ 左边的文本 + do { + stop = str.indexOf(openTag, start) + if (stop === -1) { + break + } + value = str.slice(start, stop) + if (value) { // {{ 左边的文本 + tokens.push({ + value: value, + filters: "", + expr: false + }) + } + start = stop + openTag.length + stop = str.indexOf(closeTag, start) + if (stop === -1) { + break + } + value = str.slice(start, stop) + if (value) { //处理{{ }}插值表达式 + tokens.push(getToken(value)) + } + start = stop + closeTag.length + } while (1) + value = str.slice(start) + if (value) { //}} 右边的文本 tokens.push({ value: value, - filters: "", - expr: false + expr: false, + filters: "" }) } - start = stop + openTag.length - stop = str.indexOf(closeTag, start) - if (stop === -1) { - break - } - value = str.slice(start, stop) - if (value) { //处理{{ }}插值表达式 - tokens.push(getToken(value)) - } - start = stop + closeTag.length - } while (1) - value = str.slice(start) - if (value) { //}} 右边的文本 - tokens.push({ - value: value, - expr: false, - filters: "" - }) + return tokens } - return tokens -} -function scanText(textNode, vmodels) { - var bindings = [] - if (textNode.nodeType === 8) { - var token = getToken(textNode.nodeValue) - var tokens = [token] - } else { - tokens = scanExpr(textNode.data) - } - if (tokens.length) { - for (var i = 0, token; token = tokens[i++]; ) { - 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 - if (token.expr) { - token.type = "text" - token.element = node - token.filters = token.filters.replace(rhasHtml, function() { - token.type = "html" - token.group = 1 - return "" - }) - bindings.push(token) //收集带有插值表达式的文本 + function scanText(textNode, vmodels) { + var bindings = [] + if (textNode.nodeType === 8) { + var token = getToken(textNode.nodeValue) + var tokens = [token] + } else { + tokens = scanExpr(textNode.data) + } + if (tokens.length) { + for (var i = 0; token = tokens[i++];) { + 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 + if (token.expr) { + token.type = "text" + token.element = node + token.filters = token.filters.replace(rhasHtml, function () { + token.type = "html" + token.group = 1 + return "" + })// jshint ignore:line + bindings.push(token) //收集带有插值表达式的文本 + } + hyperspace.appendChild(node) } - hyperspace.appendChild(node) + textNode.parentNode.replaceChild(hyperspace, textNode) + if (bindings.length) + executeBindings(bindings, vmodels) } - textNode.parentNode.replaceChild(hyperspace, textNode) - if (bindings.length) - executeBindings(bindings, vmodels) } -} + /********************************************************************* + * avalon的原型方法定义区 * + **********************************************************************/ -/********************************************************************* - * avalon的原型方法定义区 * - **********************************************************************/ -function hyphen(target) { - //转换为连字符线风格 - return target.replace(/([a-z\d])([A-Z]+)/g, "$1-$2").toLowerCase() -} -function camelize(target) { - //转换为驼峰风格 - if (target.indexOf("-") < 0 && target.indexOf("_") < 0) { - return target //提前判断,提高getStyle等的效率 + function hyphen(target) { + //转换为连字符线风格 + return target.replace(/([a-z\d])([A-Z]+)/g, "$1-$2").toLowerCase() } - return target.replace(/[-_][^-_]/g, function(match) { - return match.charAt(1).toUpperCase() - }) -} - -"add,remove".replace(rword, function(method) { - avalon.fn[method + "Class"] = function(cls) { - var el = this[0] - //https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26 - if (cls && typeof cls === "string" && el && el.nodeType === 1) { - cls.replace(/\S+/g, function(c) { - el.classList[method](c) - }) + + function camelize(target) { + //转换为驼峰风格 + if (target.indexOf("-") < 0 && target.indexOf("_") < 0) { + return target //提前判断,提高getStyle等的效率 } - return this + return target.replace(/[-_][^-_]/g, function (match) { + return match.charAt(1).toUpperCase() + }) } -}) - -avalon.fn.mix({ - hasClass: function(cls) { - var el = this[0] || {} //IE10+, chrome8+, firefox3.6+, safari5.1+,opera11.5+支持classList,chrome24+,firefox26+支持classList2.0 - return el.nodeType === 1 && el.classList.contains(cls) - }, - toggleClass: function(value, stateVal) { - var className, i = 0 - var classNames = value.split(/\s+/) - var isBool = typeof stateVal === "boolean" - while ((className = classNames[i++])) { - var state = isBool ? stateVal : !this.hasClass(className) - this[state ? "addClass" : "removeClass"](className) + + "add,remove".replace(rword, function (method) { + avalon.fn[method + "Class"] = function (cls) { + var el = this[0] + //https://developer.mozilla.org/zh-CN/docs/Mozilla/Firefox/Releases/26 + if (cls && typeof cls === "string" && el && el.nodeType === 1) { + cls.replace(/\S+/g, function (c) { + el.classList[method](c) + }) + } + return this } - return this - }, - attr: function(name, value) { - if (arguments.length === 2) { - this[0].setAttribute(name, value) + }) + + avalon.fn.mix({ + hasClass: function (cls) { + var el = this[0] || {} //IE10+, chrome8+, firefox3.6+, safari5.1+,opera11.5+支持classList,chrome24+,firefox26+支持classList2.0 + return el.nodeType === 1 && el.classList.contains(cls) + }, + toggleClass: function (value, stateVal) { + var className, i = 0 + var classNames = String(value).split(/\s+/) + var isBool = typeof stateVal === "boolean" + while ((className = classNames[i++])) { + var state = isBool ? stateVal : !this.hasClass(className) + this[state ? "addClass" : "removeClass"](className) + } return this - } else { - return this[0].getAttribute(name) - } - }, - data: function(name, value) { - name = "data-" + hyphen(name || "") - switch (arguments.length) { - case 2: - this.attr(name, value) + }, + attr: function (name, value) { + if (arguments.length === 2) { + this[0].setAttribute(name, value) return this - case 1: - var val = this.attr(name) - return parseData(val) - case 0: - var ret = {} - ap.forEach.call(this[0].attributes, function(attr) { - if (attr) { - name = attr.name - if (!name.indexOf("data-")) { - name = camelize(name.slice(5)) - ret[name] = parseData(attr.value) + } else { + return this[0].getAttribute(name) + } + }, + data: function (name, value) { + name = "data-" + hyphen(name || "") + switch (arguments.length) { + case 2: + this.attr(name, value) + return this + case 1: + var val = this.attr(name) + return parseData(val) + case 0: + var ret = {} + ap.forEach.call(this[0].attributes, function (attr) { + if (attr) { + name = attr.name + if (!name.indexOf("data-")) { + name = camelize(name.slice(5)) + ret[name] = parseData(attr.value) + } } - } - }) - return ret - } - }, - removeData: function(name) { - name = "data-" + hyphen(name) - this[0].removeAttribute(name) - return this - }, - css: function(name, value) { - if (avalon.isPlainObject(name)) { - for (var i in name) { - avalon.css(this, i, name[i]) + }) + return ret } - } else { - var ret = avalon.css(this, name, value) - } - return ret !== void 0 ? ret : this - }, - position: function() { - var offsetParent, offset, + }, + removeData: function (name) { + name = "data-" + hyphen(name) + this[0].removeAttribute(name) + return this + }, + css: function (name, value) { + if (avalon.isPlainObject(name)) { + for (var i in name) { + avalon.css(this, i, name[i]) + } + } else { + var ret = avalon.css(this, name, value) + } + return ret !== void 0 ? ret : this + }, + position: function () { + var offsetParent, offset, elem = this[0], parentOffset = { top: 0, left: 0 }; - if (!elem) { - return + if (!elem) { + return + } + if (this.css("position") === "fixed") { + offset = elem.getBoundingClientRect() + } else { + offsetParent = this.offsetParent() //得到真正的offsetParent + offset = this.offset() // 得到正确的offsetParent + if (offsetParent[0].tagName !== "HTML") { + parentOffset = offsetParent.offset() + } + parentOffset.top += avalon.css(offsetParent[0], "borderTopWidth", true) + parentOffset.left += avalon.css(offsetParent[0], "borderLeftWidth", true) + // Subtract offsetParent scroll positions + parentOffset.top -= offsetParent.scrollTop() + parentOffset.left -= offsetParent.scrollLeft() + } + return { + top: offset.top - parentOffset.top - avalon.css(elem, "marginTop", true), + left: offset.left - parentOffset.left - avalon.css(elem, "marginLeft", true) + } + }, + offsetParent: function () { + var offsetParent = this[0].offsetParent + while (offsetParent && avalon.css(offsetParent, "position") === "static") { + offsetParent = offsetParent.offsetParent; + } + return avalon(offsetParent || root) + }, + bind: function (type, fn, phase) { + if (this[0]) { //此方法不会链 + return avalon.bind(this[0], type, fn, phase) + } + }, + unbind: function (type, fn, phase) { + if (this[0]) { + avalon.unbind(this[0], type, fn, phase) + } + return this + }, + val: function (value) { + var node = this[0] + if (node && node.nodeType === 1) { + var get = arguments.length === 0 + var access = get ? ":get" : ":set" + var fn = valHooks[getValType(node) + access] + if (fn) { + var val = fn(node, value) + } else if (get) { + return (node.value || "").replace(/\r/g, "") + } else { + node.value = value + } + } + return get ? val : this } - if (this.css("position") === "fixed") { - offset = elem.getBoundingClientRect() - } else { - offsetParent = this.offsetParent() //得到真正的offsetParent - offset = this.offset() // 得到正确的offsetParent - if (offsetParent[0].tagName !== "HTML") { - parentOffset = offsetParent.offset() + }) + + if (root.dataset) { + avalon.fn.data = function (name, val) { + name = name && camelize(name) + var dataset = this[0].dataset + switch (arguments.length) { + case 2: + dataset[name] = val + return this + case 1: + val = dataset[name] + return parseData(val) + case 0: + var ret = createMap() + for (name in dataset) { + ret[name] = parseData(dataset[name]) + } + return ret } - parentOffset.top += avalon.css(offsetParent[0], "borderTopWidth", true) - parentOffset.left += avalon.css(offsetParent[0], "borderLeftWidth", true) } - return { - top: offset.top - parentOffset.top - avalon.css(elem, "marginTop", true), - left: offset.left - parentOffset.left - avalon.css(elem, "marginLeft", true) - } - }, - offsetParent: function() { - var offsetParent = this[0].offsetParent - while (offsetParent && avalon.css(offsetParent, "position") === "static") { - offsetParent = offsetParent.offsetParent; - } - return avalon(offsetParent) - }, - bind: function(type, fn, phase) { - if (this[0]) { //此方法不会链 - return avalon.bind(this[0], type, fn, phase) - } - }, - unbind: function(type, fn, phase) { - if (this[0]) { - avalon.unbind(this[0], type, fn, phase) + } + var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/ + avalon.parseJSON = JSON.parse + + function parseData(data) { + try { + if (typeof data === "object") + return data + data = data === "true" ? true : + data === "false" ? false : + data === "null" ? null : +data + "" === data ? +data : rbrace.test(data) ? JSON.parse(data) : data + } catch (e) { } - return this - }, - val: function(value) { - var node = this[0] - if (node && node.nodeType === 1) { - var get = arguments.length === 0 - var access = get ? ":get" : ":set" - var fn = valHooks[getValType(node) + access] - if (fn) { - var val = fn(node, value) - } else if (get) { - return (node.value || "").replace(/\r/g, "") + return data + } + + avalon.each({ + scrollLeft: "pageXOffset", + scrollTop: "pageYOffset" + }, function (method, prop) { + avalon.fn[method] = function (val) { + var node = this[0] || {}, win = getWindow(node), + top = method === "scrollTop" + if (!arguments.length) { + return win ? win[prop] : node[method] } else { - node.value = value + if (win) { + win.scrollTo(!top ? val : win[prop], top ? val : win[prop]) + } else { + node[method] = val + } } } - return get ? val : this + }) + + function getWindow(node) { + return node.window && node.document ? node : node.nodeType === 9 ? node.defaultView : false } -}) -if (root.dataset) { - avalon.fn.data = function(name, val) { - var dataset = this[0].dataset - switch (arguments.length) { - case 2: - dataset[name] = val - return this - case 1: - val = dataset[name] - return parseData(val) - case 0: - var ret = {} - for (var name in dataset) { - ret[name] = parseData(dataset[name]) - } - return ret +//=============================css相关================================== + var cssHooks = avalon.cssHooks = createMap() + var prefixes = ["", "-webkit-", "-moz-", "-ms-"] //去掉opera-15的支持 + var cssMap = { + "float": "cssFloat" + } + avalon.cssNumber = oneObject("columnCount,order,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom") + + avalon.cssName = function (name, host, camelCase) { + if (cssMap[name]) { + return cssMap[name] + } + host = host || root.style + for (var i = 0, n = prefixes.length; i < n; i++) { + camelCase = camelize(prefixes[i] + name) + if (camelCase in host) { + return (cssMap[name] = camelCase) + } } + return null + } + cssHooks["@:set"] = function (node, name, value) { + node.style[name] = value } -} -var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/ -avalon.parseJSON = JSON.parse -function parseData(data) { - try { - if (typeof data === "object") - return data - data = data === "true" ? true : - data === "false" ? false : - data === "null" ? null : +data + "" === data ? +data : rbrace.test(data) ? JSON.parse(data) : data - } catch (e) { - } - return data -} -avalon.each({ - scrollLeft: "pageXOffset", - scrollTop: "pageYOffset" -}, function(method, prop) { - avalon.fn[method] = function(val) { - var node = this[0] || {}, win = getWindow(node), - top = method === "scrollTop" - if (!arguments.length) { - return win ? win[prop] : node[method] - } else { - if (win) { - win.scrollTo(!top ? val : avalon(win).scrollLeft(), top ? val : avalon(win).scrollTop()) - } else { - node[method] = val + cssHooks["@:get"] = function (node, name) { + if (!node || !node.style) { + throw new Error("getComputedStyle要求传入一个节点 " + node) + } + var ret, computed = getComputedStyle(node) + if (computed) { + ret = name === "filter" ? computed.getPropertyValue(name) : computed[name] + if (ret === "") { + ret = node.style[name] //其他浏览器需要我们手动取内联样式 } } + return ret + } + cssHooks["opacity:get"] = function (node) { + var ret = cssHooks["@:get"](node, "opacity") + return ret === "" ? "1" : ret } -}) -function getWindow(node) { - return node.window && node.document ? node : node.nodeType === 9 ? node.defaultView : false -} + "top,left".replace(rword, function (name) { + cssHooks[name + ":get"] = function (node) { + var computed = cssHooks["@:get"](node, name) + return /px$/.test(computed) ? computed : + avalon(node).position()[name] + "px" + } + }) + var cssShow = { + position: "absolute", + visibility: "hidden", + display: "block" + } + var rdisplayswap = /^(none|table(?!-c[ea]).+)/ + + function showHidden(node, array) { + //http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html + if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0 + var styles = getComputedStyle(node, null) + if (rdisplayswap.test(styles["display"])) { + var obj = { + node: node + } + for (var name in cssShow) { + obj[name] = styles[name] + node.style[name] = cssShow[name] + } + array.push(obj) + } + var parent = node.parentNode + if (parent && parent.nodeType === 1) { + showHidden(parent, array) + } + } + } -//=============================css相关================================== -var cssHooks = avalon.cssHooks = {} -var prefixes = ["", "-webkit-", "-moz-", "-ms-"]//去掉opera-15的支持 -var cssMap = { - "float": "cssFloat" -} -avalon.cssNumber = oneObject("columnCount,order,fillOpacity,fontWeight,lineHeight,opacity,orphans,widows,zIndex,zoom") - -avalon.cssName = function(name, host, camelCase) { - if (cssMap[name]) { - return cssMap[name] - } - host = host || root.style - for (var i = 0, n = prefixes.length; i < n; i++) { - camelCase = camelize(prefixes[i] + name) - if (camelCase in host) { - return (cssMap[name] = camelCase) - } - } - return null -} -cssHooks["@:set"] = function(node, name, value) { - node.style[name] = value -} - -cssHooks["@:get"] = function(node, name) { - if (!node || !node.style) { - throw new Error("getComputedStyle要求传入一个节点 " + node) - } - var ret, computed = getComputedStyle(node, null) - if (computed) { - ret = name === "filter" ? computed.getPropertyValue(name) : computed[name] - if (ret === "") { - ret = node.style[name] //其他浏览器需要我们手动取内联样式 - } - } - return ret -} -cssHooks["opacity:get"] = function(node) { - var ret = cssHooks["@:get"](node, "opacity") - return ret === "" ? "1" : ret -} - -"top,left".replace(rword, function(name) { - cssHooks[name + ":get"] = function(node) { - var computed = cssHooks["@:get"](node, name) - return /px$/.test(computed) ? computed : - avalon(node).position()[name] + "px" - } -}) -var cssShow = { - position: "absolute", - visibility: "hidden", - display: "block" -} -var rdisplayswap = /^(none|table(?!-c[ea]).+)/ - -function showHidden(node, array) { - //http://www.cnblogs.com/rubylouvre/archive/2012/10/27/2742529.html - if (node.offsetWidth <= 0) { //opera.offsetWidth可能小于0 - var styles = getComputedStyle(node, null) - if (rdisplayswap.test(styles["display"])) { - var obj = { - node: node - } - for (var name in cssShow) { - obj[name] = styles[name] - node.style[name] = cssShow[name] - } - array.push(obj) - } - var parent = node.parentNode - if (parent && parent.nodeType === 1) { - showHidden(parent, array) - } - } -} - -"Width,Height".replace(rword, function(name) {//fix 481 - var method = name.toLowerCase(), + "Width,Height".replace(rword, function (name) { //fix 481 + var method = name.toLowerCase(), clientProp = "client" + name, scrollProp = "scroll" + name, offsetProp = "offset" + name - cssHooks[method + ":get"] = function(node, which, override) { - var boxSizing = -4 - if (typeof override === "number") { - boxSizing = override - } - which = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"] - var ret = node[offsetProp] // border-box 0 - if (boxSizing === 2) { // margin-box 2 + cssHooks[method + ":get"] = function (node, which, override) { + var boxSizing = -4 + if (typeof override === "number") { + boxSizing = override + } + which = name === "Width" ? ["Left", "Right"] : ["Top", "Bottom"] + var ret = node[offsetProp] // border-box 0 + if (boxSizing === 2) { // margin-box 2 + return ret + avalon.css(node, "margin" + which[0], true) + avalon.css(node, "margin" + which[1], true) + } + if (boxSizing < 0) { // padding-box -2 + ret = ret - avalon.css(node, "border" + which[0] + "Width", true) - avalon.css(node, "border" + which[1] + "Width", true) + } + if (boxSizing === -4) { // content-box -4 + ret = ret - avalon.css(node, "padding" + which[0], true) - avalon.css(node, "padding" + which[1], true) + } return ret - + avalon.css(node, "margin" + which[0], true) - + avalon.css(node, "margin" + which[1], true) - } - if (boxSizing < 0) { // padding-box -2 - ret = ret - - avalon.css(node, "border" + which[0] + "Width", true) - - avalon.css(node, "border" + which[1] + "Width", true) } - if (boxSizing === -4) { // content-box -4 - ret = ret - - avalon.css(node, "padding" + which[0], true) - - avalon.css(node, "padding" + which[1], true) + cssHooks[method + "&get"] = function (node) { + var hidden = []; + showHidden(node, hidden); + var val = cssHooks[method + ":get"](node) + for (var i = 0, obj; obj = hidden[i++];) { + node = obj.node + for (var n in obj) { + if (typeof obj[n] === "string") { + node.style[n] = obj[n] + } + } + } + return val; } - return ret - } - cssHooks[method + "&get"] = function(node) { - var hidden = []; - showHidden(node, hidden); - var val = cssHooks[method + ":get"](node) - for (var i = 0, obj; obj = hidden[i++]; ) { - node = obj.node - for (var n in obj) { - if (typeof obj[n] === "string") { - node.style[n] = obj[n] + avalon.fn[method] = function (value) { //会忽视其display + var node = this[0] + if (arguments.length === 0) { + if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替 + return node["inner" + name] } + if (node.nodeType === 9) { //取得页面尺寸 + var doc = node.documentElement + //FF chrome html.scrollHeight< body.scrollHeight + //IE 标准模式 : html.scrollHeight> body.scrollHeight + //IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点? + return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp]) + } + return cssHooks[method + "&get"](node) + } else { + return this.css(method, value) } } - return val; - } - avalon.fn[method] = function(value) { //会忽视其display + avalon.fn["inner" + name] = function () { + return cssHooks[method + ":get"](this[0], void 0, -2) + } + avalon.fn["outer" + name] = function (includeMargin) { + return cssHooks[method + ":get"](this[0], void 0, includeMargin === true ? 2 : 0) + } + }) + avalon.fn.offset = function () { //取得距离页面左右角的坐标 var node = this[0] - if (arguments.length === 0) { - if (node.setTimeout) { //取得窗口尺寸,IE9后可以用node.innerWidth /innerHeight代替 - return node["inner" + name] || node.document.documentElement[clientProp] - } - if (node.nodeType === 9) { //取得页面尺寸 - var doc = node.documentElement - //FF chrome html.scrollHeight< body.scrollHeight - //IE 标准模式 : html.scrollHeight> body.scrollHeight - //IE 怪异模式 : html.scrollHeight 最大等于可视窗口多一点? - return Math.max(node.body[scrollProp], doc[scrollProp], node.body[offsetProp], doc[offsetProp], doc[clientProp]) - } - return cssHooks[method + "&get"](node) - } else { - return this.css(method, value) + try { + var rect = node.getBoundingClientRect() + // Make sure element is not hidden (display: none) or disconnected + // https://github.com/jquery/jquery/pull/2043/files#r23981494 + if (rect.width || rect.height || node.getClientRects().length) { + var doc = node.ownerDocument + var root = doc.documentElement + var win = doc.defaultView + return { + top: rect.top + win.pageYOffset - root.clientTop, + left: rect.left + win.pageXOffset - root.clientLeft + } + } + } catch (e) { + return { + left: 0, + top: 0 + } } } - avalon.fn["inner" + name] = function() { - return cssHooks[method + ":get"](this[0], void 0, -2) - } - avalon.fn["outer" + name] = function(includeMargin) { - return cssHooks[method + ":get"](this[0], void 0, includeMargin === true ? 2 : 0) - } -}) -avalon.fn.offset = function() { //取得距离页面左右角的坐标 - var node = this[0], box = { - left: 0, - top: 0 - } - if (!node || !node.tagName || !node.ownerDocument) { - return box - } - var doc = node.ownerDocument, - root = doc.documentElement, - win = doc.defaultView - if (!root.contains(node)) { - return box - } - if (node.getBoundingClientRect !== void 0) { - box = node.getBoundingClientRect() - } - return { - top: box.top + win.pageYOffset - root.clientTop, - left: box.left + win.pageXOffset - root.clientLeft + //=============================val相关======================= + + function getValType(elem) { + var ret = elem.tagName.toLowerCase() + return ret === "input" && /checkbox|radio/.test(elem.type) ? "checked" : ret } -} -//=============================val相关======================= -function getValType(el) { - var ret = el.tagName.toLowerCase() - return ret === "input" && /checkbox|radio/.test(el.type) ? "checked" : ret -} -var valHooks = { - "select:get": function(node, value) { - var option, options = node.options, + var valHooks = { + "select:get": function (node, value) { + var option, options = node.options, index = node.selectedIndex, one = node.type === "select-one" || index < 0, values = one ? null : [], max = one ? index + 1 : options.length, i = index < 0 ? max : one ? index : 0 - for (; i < max; i++) { - option = options[i] - //旧式IE在reset后不会改变selected,需要改用i === index判定 - //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 - //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 - if ((option.selected || i === index) && !option.disabled) { - value = option.value - if (one) { - return value + for (; i < max; i++) { + option = options[i] + //旧式IE在reset后不会改变selected,需要改用i === index判定 + //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 + //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 + if ((option.selected || i === index) && !option.disabled) { + value = option.value + if (one) { + return value + } + //收集所有selected值组成数组返回 + values.push(value) } - //收集所有selected值组成数组返回 - values.push(value) - } - } - return values - }, - "select:set": function(node, values, optionSet) { - values = [].concat(values) //强制转换为数组 - for (var i = 0, el; el = node.options[i++]; ) { - if ((el.selected = values.indexOf(el.value) > -1)) { - optionSet = true - } - } - if (!optionSet) { - node.selectedIndex = -1 - } - } -} - -/********************************************************************* - * 编译系统 * - **********************************************************************/ -var quote = JSON.stringify - -var keywords = - // 关键字 - "break,case,catch,continue,debugger,default,delete,do,else,false" + - ",finally,for,function,if,in,instanceof,new,null,return,switch,this" + - ",throw,true,try,typeof,var,void,while,with" - // 保留字 - + ",abstract,boolean,byte,char,class,const,double,enum,export,extends" + - ",final,float,goto,implements,import,int,interface,long,native" + - ",package,private,protected,public,short,static,super,synchronized" + - ",throws,transient,volatile" - // ECMA 5 - use strict - + ",arguments,let,yield" + ",undefined" -var rrexpstr = /\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g -var rsplit = /[^\w$]+/g -var rkeywords = new RegExp(["\\b" + keywords.replace(/,/g, '\\b|\\b') + "\\b"].join('|'), 'g') -var rnumber = /\b\d[^,]*/g -var rcomma = /^,+|,+$/g -var cacheVars = createCache(512) -var getVariables = function(code) { - var key = "," + code.trim() - if (cacheVars[key]) { - return cacheVars[key] - } - var match = code + } + return values + }, + "select:set": function (node, values, optionSet) { + values = [].concat(values) //强制转换为数组 + for (var i = 0, el; el = node.options[i++];) { + if ((el.selected = values.indexOf(el.value) > -1)) { + optionSet = true + } + } + if (!optionSet) { + node.selectedIndex = -1 + } + } + } + /********************************************************************* + * 编译系统 * + **********************************************************************/ + var quote = JSON.stringify + + var keywords = [ + "break,case,catch,continue,debugger,default,delete,do,else,false", + "finally,for,function,if,in,instanceof,new,null,return,switch,this", + "throw,true,try,typeof,var,void,while,with", /* 关键字*/ + "abstract,boolean,byte,char,class,const,double,enum,export,extends", + "final,float,goto,implements,import,int,interface,long,native", + "package,private,protected,public,short,static,super,synchronized", + "throws,transient,volatile", /*保留字*/ + "arguments,let,yield,undefined" /* ECMA 5 - use strict*/].join(",") + var rrexpstr = /\/\*[\w\W]*?\*\/|\/\/[^\n]*\n|\/\/[^\n]*$|"(?:[^"\\]|\\[\w\W])*"|'(?:[^'\\]|\\[\w\W])*'|[\s\t\n]*\.[\s\t\n]*[$\w\.]+/g + var rsplit = /[^\w$]+/g + var rkeywords = new RegExp(["\\b" + keywords.replace(/,/g, '\\b|\\b') + "\\b"].join('|'), 'g') + var rnumber = /\b\d[^,]*/g + var rcomma = /^,+|,+$/g + var cacheVars = new Cache(512) + var getVariables = function (code) { + var key = "," + code.trim() + var ret = cacheVars.get(key) + if (ret) { + return ret + } + var match = code .replace(rrexpstr, "") .replace(rsplit, ",") .replace(rkeywords, "") .replace(rnumber, "") .replace(rcomma, "") .split(/^$|,+/) - return cacheVars(key, uniqSet(match)) -} -/*添加赋值语句*/ + return cacheVars.put(key, uniqSet(match)) + } + /*添加赋值语句*/ -function addAssign(vars, scope, name, data) { - var ret = [], + function addAssign(vars, scope, name, data) { + var ret = [], prefix = " = " + name + "." - for (var i = vars.length, prop; prop = vars[--i]; ) { - if (scope.hasOwnProperty(prop)) { - ret.push(prop + prefix + prop) - data.vars.push(prop) - if (data.type === "duplex") { - vars.get = name + "." + prop + var isProxy = /\$proxy\$each/.test(scope.$id) + for (var i = vars.length, prop; prop = vars[--i];) { + var el = isProxy && scope.$map[prop] ? "el" : prop + if (scope.hasOwnProperty(el)) { + ret.push(prop + prefix + el) + data.vars.push(prop) + if (data.type === "duplex") { + vars.get = name + "." + el + } + vars.splice(i, 1) } - vars.splice(i, 1) } + return ret } - return ret -} -function uniqSet(array) { - var ret = [], + function uniqSet(array) { + var ret = [], unique = {} - for (var i = 0; i < array.length; i++) { - var el = array[i] - var id = el && typeof el.$id === "string" ? el.$id : el - if (!unique[id]) { - unique[id] = ret.push(el) + for (var i = 0; i < array.length; i++) { + var el = array[i] + var id = el && typeof el.$id === "string" ? el.$id : el + if (!unique[id]) { + unique[id] = ret.push(el) + } } + return ret } - return ret -} + //缓存求值函数,以便多次利用 -var cacheExprs = createCache(128) + var cacheExprs = new Cache(128) //取得求值函数及其传参 -var rduplex = /\w\[.*\]|\w\.\w/ -var rproxy = /(\$proxy\$[a-z]+)\d+$/ -var rthimRightParentheses = /\)\s*$/ -var rthimOtherParentheses = /\)\s*\|/g -var rquoteFilterName = /\|\s*([$\w]+)/g -var rpatchBracket = /"\s*\["/g -var rthimLeftParentheses = /"\s*\(/g -function parseFilter(val, filters) { - filters = filters + var rduplex = /\w\[.*\]|\w\.\w/ + var rproxy = /(\$proxy\$[a-z]+)\d+$/ + var rthimRightParentheses = /\)\s*$/ + var rthimOtherParentheses = /\)\s*\|/g + var rquoteFilterName = /\|\s*([$\w]+)/g + var rpatchBracket = /"\s*\["/g + var rthimLeftParentheses = /"\s*\(/g + + function parseFilter(val, filters) { + filters = filters .replace(rthimRightParentheses, "")//处理最后的小括号 - .replace(rthimOtherParentheses, function() {//处理其他小括号 + .replace(rthimOtherParentheses, function () {//处理其他小括号 return "],|" }) - .replace(rquoteFilterName, function(a, b) { //处理|及它后面的过滤器的名字 + .replace(rquoteFilterName, function (a, b) { //处理|及它后面的过滤器的名字 return "[" + quote(b) }) - .replace(rpatchBracket, function() { + .replace(rpatchBracket, function () { return '"],["' }) - .replace(rthimLeftParentheses, function() { + .replace(rthimLeftParentheses, function () { return '",' }) + "]" - return "return avalon.filters.$filter(" + val + ", " + filters + ")" -} - -function parseExpr(code, scopes, data) { - var dataType = data.type - var filters = data.filters || "" - var exprId = scopes.map(function(el) { - return String(el.$id).replace(rproxy, "$1") - }) + code + dataType + filters - var vars = getVariables(code).concat(), + return "return avalon.filters.$filter(" + val + ", " + filters + ")" + } + + function parseExpr(code, scopes, data) { + var dataType = data.type + var filters = data.filters || "" + var exprId = scopes.map(function (el) { + return String(el.$id).replace(rproxy, "$1") + }) + code + dataType + filters + var vars = getVariables(code).concat(), assigns = [], names = [], args = [], prefix = "" - //args 是一个对象数组, names 是将要生成的求值函数的参数 - scopes = uniqSet(scopes) - data.vars = [] - for (var i = 0, sn = scopes.length; i < sn; i++) { - if (vars.length) { - var name = "vm" + expose + "_" + i - names.push(name) - args.push(scopes[i]) - assigns.push.apply(assigns, addAssign(vars, scopes[i], name, data)) - } - } - if (!assigns.length && dataType === "duplex") { - return - } - if (dataType !== "duplex" && (code.indexOf("||") > -1 || code.indexOf("&&") > -1)) { - //https://github.com/RubyLouvre/avalon/issues/583 - data.vars.forEach(function(v) { - var reg = new RegExp("\\b" + v + "(?:\\.\\w+|\\[\\w+\\])+", "ig") - code = code.replace(reg, function(_) { - var c = _.charAt(v.length) - var r = IEVersion ? code.slice(arguments[1] + _.length) : RegExp.rightContext - var method = /^\s*\(/.test(r) - if (c === "." || c === "[" || method) {//比如v为aa,我们只匹配aa.bb,aa[cc],不匹配aaa.xxx - var name = "var" + String(Math.random()).replace(/^0\./, "") - if (method) {//array.size() - var array = _.split(".") - if (array.length > 2) { - var last = array.pop() - assigns.push(name + " = " + array.join(".")) - return name + "." + last - } else { - return _ + //args 是一个对象数组, names 是将要生成的求值函数的参数 + scopes = uniqSet(scopes) + data.vars = [] + for (var i = 0, sn = scopes.length; i < sn; i++) { + if (vars.length) { + var name = "vm" + expose + "_" + i + names.push(name) + args.push(scopes[i]) + assigns.push.apply(assigns, addAssign(vars, scopes[i], name, data)) + } + } + if (!assigns.length && dataType === "duplex") { + return + } + if (dataType !== "duplex" && (code.indexOf("||") > -1 || code.indexOf("&&") > -1)) { + //https://github.com/RubyLouvre/avalon/issues/583 + data.vars.forEach(function (v) { + var reg = new RegExp("\\b" + v + "(?:\\.\\w+|\\[\\w+\\])+", "ig") + code = code.replace(reg, function (_) { + var c = _.charAt(v.length) + var r = IEVersion ? code.slice(arguments[1] + _.length) : RegExp.rightContext + var method = /^\s*\(/.test(r) + if (c === "." || c === "[" || method) {//比如v为aa,我们只匹配aa.bb,aa[cc],不匹配aaa.xxx + var name = "var" + String(Math.random()).replace(/^0\./, "") + if (method) {//array.size() + var array = _.split(".") + if (array.length > 2) { + var last = array.pop() + assigns.push(name + " = " + array.join(".")) + return name + "." + last + } else { + return _ + } } + assigns.push(name + " = " + _) + return name + } else { + return _ } - assigns.push(name + " = " + _) - return name - } else { - return _ - } + }) }) - }) - } - //---------------args---------------- - data.args = args - //---------------cache---------------- - var fn = cacheExprs[exprId] //直接从缓存,免得重复生成 - if (fn) { - data.evaluator = fn - return - } - var prefix = assigns.join(", ") - if (prefix) { - prefix = "var " + prefix - } - if (/\S/.test(filters)) { //文本绑定,双工绑定才有过滤器 - if (!/text|html/.test(data.type)) { - throw Error("ms-" + data.type + "不支持过滤器") - } - code = "\nvar ret" + expose + " = " + code + ";\r\n" - code += parseFilter("ret" + expose, filters) - } else if (dataType === "duplex") { //双工绑定 - var _body = "'use strict';\nreturn function(vvv){\n\t" + + } + //---------------args---------------- + data.args = args + //---------------cache---------------- + var fn = cacheExprs.get(exprId) //直接从缓存,免得重复生成 + if (fn) { + data.evaluator = fn + return + } + prefix = assigns.join(", ") + if (prefix) { + prefix = "var " + prefix + } + if (/\S/.test(filters)) { //文本绑定,双工绑定才有过滤器 + if (!/text|html/.test(data.type)) { + throw Error("ms-" + data.type + "不支持过滤器") + } + code = "\nvar ret" + expose + " = " + code + ";\r\n" + code += parseFilter("ret" + expose, filters) + } else if (dataType === "duplex") { //双工绑定 + var _body = "'use strict';\nreturn function(vvv){\n\t" + prefix + ";\n\tif(!arguments.length){\n\t\treturn " + code + "\n\t}\n\t" + (!rduplex.test(code) ? vars.get : code) + "= vvv;\n} " + try { + fn = Function.apply(noop, names.concat(_body)) + data.evaluator = cacheExprs.put(exprId, fn) + } catch (e) { + log("debug: parse error," + e.message) + } + return + } else if (dataType === "on") { //事件绑定 + if (code.indexOf("(") === -1) { + code += ".call(this, $event)" + } else { + code = code.replace("(", ".call(this,") + } + names.push("$event") + code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;") + var lastIndex = code.lastIndexOf("\nreturn") + var header = code.slice(0, lastIndex) + var footer = code.slice(lastIndex) + code = header + "\n" + footer + } else { //其他绑定 + code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;") + } try { - fn = Function.apply(noop, names.concat(_body)) - data.evaluator = cacheExprs(exprId, fn) + fn = Function.apply(noop, names.concat("'use strict';\n" + prefix + code)) + data.evaluator = cacheExprs.put(exprId, fn) } catch (e) { log("debug: parse error," + e.message) + } finally { + vars = assigns = names = null //释放内存 } - return - } else if (dataType === "on") { //事件绑定 - if (code.indexOf("(") === -1) { - code += ".call(this, $event)" - } else { - code = code.replace("(", ".call(this,") - } - names.push("$event") - code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;") - var lastIndex = code.lastIndexOf("\nreturn") - var header = code.slice(0, lastIndex) - var footer = code.slice(lastIndex) - code = header + "\n" + footer - } else { //其他绑定 - code = "\nreturn " + code + ";" //IE全家 Function("return ")出错,需要Function("return ;") - } - try { - fn = Function.apply(noop, names.concat("'use strict';\n" + prefix + code)) - data.evaluator = cacheExprs(exprId, fn) - } catch (e) { - log("debug: parse error," + e.message) - } finally { - vars = textBuffer = names = null //释放内存 } -} //parseExpr的智能引用代理 -function parseExprProxy(code, scopes, data, tokens, noregister) { - if (Array.isArray(tokens)) { - code = tokens.map(function(el) { - return el.expr ? "(" + el.value + ")" : quote(el.value) - }).join(" + ") - } - parseExpr(code, scopes, data) - if (data.evaluator && !noregister) { - data.handler = bindingExecutors[data.handlerName || data.type] - //方便调试 - //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 - //将它移出订阅者列表 - registerSubscriber(data) - } -} -avalon.parseExprProxy = parseExprProxy -/********************************************************************* - * 各种指令 * - **********************************************************************/ -//ms-skip绑定已经在scanTag 方法中实现 -//ms-controller绑定已经在scanTag 方法中实现 -//ms-important绑定已经在scanTag 方法中实现 -var bools = "autofocus,autoplay,async,allowTransparency,checked,controls,declare,disabled,defer,defaultChecked,defaultSelected" + - "contentEditable,isMap,loop,multiple,noHref,noResize,noShade,open,readOnly,selected" -var boolMap = {} -bools.replace(rword, function(name) { - boolMap[name.toLowerCase()] = name -}) - -var propMap = {//属性名映射 - "accept-charset": "acceptCharset", - "char": "ch", - "charoff": "chOff", - "class": "className", - "for": "htmlFor", - "http-equiv": "httpEquiv" -} - -var anomaly = "accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan," + "dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight," + "rowSpan,tabIndex,useMap,vSpace,valueType,vAlign" -anomaly.replace(rword, function(name) { - propMap[name.toLowerCase()] = name -}) - -var rnoscripts = /<noscript.*?>(?:[\s\S]+?)<\/noscript>/img -var rnoscriptText = /<noscript.*?>([\s\S]+?)<\/noscript>/im - -var getXHR = function() { - return new (window.XMLHttpRequest || ActiveXObject)("Microsoft.XMLHTTP") -} - -var cacheTmpls = avalon.templateCache = {} - -bindingHandlers.attr = function(data, vmodels) { - var text = data.value.trim(), - simple = true - if (text.indexOf(openTag) > -1 && text.indexOf(closeTag) > 2) { - simple = false - if (rexpr.test(text) && RegExp.rightContext === "" && RegExp.leftContext === "") { + function parseExprProxy(code, scopes, data, tokens, noRegister) { + if (Array.isArray(tokens)) { + code = tokens.map(function (el) { + return el.expr ? "(" + el.value + ")" : quote(el.value) + }).join(" + ") + } + parseExpr(code, scopes, data) + if (data.evaluator && !noRegister) { + data.handler = bindingExecutors[data.handlerName || data.type] + //方便调试 + //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 + //将它移出订阅者列表 + avalon.injectBinding(data) + } + } + + avalon.parseExprProxy = parseExprProxy + var bools = ["autofocus,autoplay,async,allowTransparency,checked,controls", + "declare,disabled,defer,defaultChecked,defaultSelected", + "contentEditable,isMap,loop,multiple,noHref,noResize,noShade", + "open,readOnly,selected" + ].join(",") + var boolMap = {} + bools.replace(rword, function (name) { + boolMap[name.toLowerCase()] = name + }) + + var propMap = { //属性名映射 + "accept-charset": "acceptCharset", + "char": "ch", + "charoff": "chOff", + "class": "className", + "for": "htmlFor", + "http-equiv": "httpEquiv" + } + + var anomaly = ["accessKey,bgColor,cellPadding,cellSpacing,codeBase,codeType,colSpan", + "dateTime,defaultValue,frameBorder,longDesc,maxLength,marginWidth,marginHeight", + "rowSpan,tabIndex,useMap,vSpace,valueType,vAlign" + ].join(",") + anomaly.replace(rword, function (name) { + propMap[name.toLowerCase()] = name + }) + + var rnoscripts = /<noscript.*?>(?:[\s\S]+?)<\/noscript>/img + var rnoscriptText = /<noscript.*?>([\s\S]+?)<\/noscript>/im + + var getXHR = function () { + return new (window.XMLHttpRequest || ActiveXObject)("Microsoft.XMLHTTP") // jshint ignore:line + } + + var cacheTmpls = avalon.templateCache = {} + + bindingHandlers.attr = function (data, vmodels) { + var text = data.value.trim(), simple = true - text = RegExp.$1 + if (text.indexOf(openTag) > -1 && text.indexOf(closeTag) > 2) { + simple = false + if (rexpr.test(text) && RegExp.rightContext === "" && RegExp.leftContext === "") { + simple = true + text = RegExp.$1 + } } - } - if (data.type === "include") { - var elem = data.element - data.includeRendered = getBindingCallback(elem, "data-include-rendered", vmodels) - data.includeLoaded = getBindingCallback(elem, "data-include-loaded", vmodels) - var outer = data.includeReplaced = !!avalon(elem).data("includeReplace") - data.startInclude = DOC.createComment("ms-include") - data.endInclude = DOC.createComment("ms-include-end") - if (outer) { - data.element = data.startInclude - elem.parentNode.insertBefore(data.startInclude, elem) - elem.parentNode.insertBefore(data.endInclude, elem.nextSibling) - } else { - elem.insertBefore(data.startInclude, elem.firstChild) - elem.appendChild(data.endInclude) + if (data.type === "include") { + var elem = data.element + data.includeRendered = getBindingCallback(elem, "data-include-rendered", vmodels) + data.includeLoaded = getBindingCallback(elem, "data-include-loaded", vmodels) + var outer = data.includeReplace = !!avalon(elem).data("includeReplace") + if (avalon(elem).data("includeCache")) { + data.templateCache = {} + } + data.startInclude = DOC.createComment("ms-include") + data.endInclude = DOC.createComment("ms-include-end") + if (outer) { + data.element = data.startInclude + elem.parentNode.insertBefore(data.startInclude, elem) + elem.parentNode.insertBefore(data.endInclude, elem.nextSibling) + } else { + elem.insertBefore(data.startInclude, elem.firstChild) + elem.appendChild(data.endInclude) + } } + data.handlerName = "attr" //handleName用于处理多种绑定共用同一种bindingExecutor的情况 + parseExprProxy(text, vmodels, data, (simple ? 0 : scanExpr(data.value))) } - data.handlerName = "attr" //handleName用于处理多种绑定共用同一种bindingExecutor的情况 - parseExprProxy(text, vmodels, data, (simple ? 0 : scanExpr(data.value))) -} -bindingExecutors.attr = function(val, elem, data) { - var method = data.type, + bindingExecutors.attr = function (val, elem, data) { + var method = data.type, attrName = data.param - if (method === "css") { - avalon(elem).css(attrName, val) - } else if (method === "attr") { - // ms-attr-class="xxx" vm.xxx="aaa bbb ccc"将元素的className设置为aaa bbb ccc - // ms-attr-class="xxx" vm.xxx=false 清空元素的所有类名 - // ms-attr-name="yyy" vm.yyy="ooo" 为元素设置name属性 - if (boolMap[attrName]) { + if (method === "css") { + avalon(elem).css(attrName, val) + } else if (method === "attr") { + // ms-attr-class="xxx" vm.xxx="aaa bbb ccc"将元素的className设置为aaa bbb ccc + // ms-attr-class="xxx" vm.xxx=false 清空元素的所有类名 + // ms-attr-name="yyy" vm.yyy="ooo" 为元素设置name属性 + var toRemove = (val === false) || (val === null) || (val === void 0) + + if (!W3C && propMap[attrName]) { //旧式IE下需要进行名字映射 + attrName = propMap[attrName] + } var bool = boolMap[attrName] if (typeof elem[bool] === "boolean") { - // IE6-11不支持动态设置fieldset的disabled属性,IE11下样式是生效了,但无法阻止用户对其底下的input元素进行设值…… - return elem[bool] = !!val - } - } - var toRemove = (val === false) || (val === null) || (val === void 0) - - if (!W3C && propMap[attrName]) { //旧式IE下需要进行名字映射 - attrName = propMap[attrName] - } - if (toRemove) { - return elem.removeAttribute(attrName) - } - //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 - var isInnate = rsvg.test(elem) ? false : (DOC.namespaces && isVML(elem)) ? true : attrName in elem.cloneNode(false) - if (isInnate) { - elem[attrName] = val - } else { - elem.setAttribute(attrName, val) - } - } else if (method === "include" && val) { - var vmodels = data.vmodels - var rendered = data.includeRendered - var loaded = data.includeLoaded - var replace = data.includeReplaced - var target = replace ? elem.parentNode : elem - function scanTemplate(text) { - if (loaded) { - text = loaded.apply(target, [text].concat(vmodels)) - } - if (rendered) { - checkScan(target, function() { - rendered.call(target) - }, NaN) - } - while (true) { - var node = data.startInclude.nextSibling - if (node && node !== data.endInclude) { - target.removeChild(node) - } else { - break + elem[bool] = !!val //布尔属性必须使用el.xxx = true|false方式设值 + 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 + toRemove = true } } - var dom = avalon.parseHTML(text) - var nodes = avalon.slice(dom.childNodes) - target.insertBefore(dom, data.endInclude) - scanNodeArray(nodes, vmodels) - } - if (data.param === "src") { - if (cacheTmpls[val]) { - avalon.nextTick(function() { - scanTemplate(cacheTmpls[val]) - }) + if (toRemove) { + return elem.removeAttribute(attrName) + } + + //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 + var isInnate = rsvg.test(elem) ? false : (DOC.namespaces && isVML(elem)) ? true : attrName in elem.cloneNode(false) + if (isInnate) { + elem[attrName] = val } else { - var xhr = getXHR() - xhr.onreadystatechange = function() { - if (xhr.readyState === 4) { - var s = xhr.status - if (s >= 200 && s < 300 || s === 304 || s === 1223) { - scanTemplate(cacheTmpls[val] = xhr.responseText) - } + elem.setAttribute(attrName, val) + } + } else if (method === "include" && val) { + var vmodels = data.vmodels + var rendered = data.includeRendered + var loaded = data.includeLoaded + var replace = data.includeReplace + var target = replace ? elem.parentNode : elem + var scanTemplate = function (text) { + if (loaded) { + var newText = loaded.apply(target, [text].concat(vmodels)) + if (typeof newText === "string") + text = newText + } + if (rendered) { + checkScan(target, function () { + rendered.call(target) + }, NaN) + } + var lastID = data.includeLastID + if (data.templateCache && lastID && lastID !== val) { + var lastTemplate = data.templateCache[lastID] + if (!lastTemplate) { + lastTemplate = data.templateCache[lastID] = DOC.createElement("div") + ifGroup.appendChild(lastTemplate) } } - xhr.open("GET", val, true) - if ("withCredentials" in xhr) { - xhr.withCredentials = true + data.includeLastID = val + while (true) { + var node = data.startInclude.nextSibling + if (node && node !== data.endInclude) { + target.removeChild(node) + if (lastTemplate) + lastTemplate.appendChild(node) + } else { + break + } } - xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest") - xhr.send(null) + var dom = getTemplateNodes(data, val, text) + var nodes = avalon.slice(dom.childNodes) + target.insertBefore(dom, data.endInclude) + scanNodeArray(nodes, vmodels) } - } else { - //IE系列与够新的标准浏览器支持通过ID取得元素(firefox14+) - //http://tjvantoll.com/2012/07/19/dom-element-references-as-global-variables/ - var el = val && val.nodeType === 1 ? val : DOC.getElementById(val) - if (el) { - 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 - var xhr = getXHR() //IE9-11与chrome的innerHTML会得到转义的内容,它们的innerText可以 - xhr.open("GET", location, false) //谢谢Nodejs 乱炖群 深圳-纯属虚构 + + if (data.param === "src") { + if (typeof cacheTmpls[val] === "string") { + avalon.nextTick(function () { + scanTemplate(cacheTmpls[val]) + }) + } else if (Array.isArray(cacheTmpls[val])) { //#805 防止在循环绑定中发出许多相同的请求 + cacheTmpls[val].push(scanTemplate) + } else { + var xhr = getXHR() + xhr.onreadystatechange = function () { + if (xhr.readyState === 4) { + var s = xhr.status + if (s >= 200 && s < 300 || s === 304 || s === 1223) { + var text = xhr.responseText + for (var f = 0, fn; fn = cacheTmpls[val][f++];) { + fn(text) + } + cacheTmpls[val] = text + } + } + } + cacheTmpls[val] = [scanTemplate] + xhr.open("GET", val, true) + if ("withCredentials" in xhr) { + xhr.withCredentials = true + } + xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest") xhr.send(null) - //http://bbs.csdn.net/topics/390349046?page=1#post-393492653 - var noscripts = DOC.getElementsByTagName("noscript") - var array = (xhr.responseText || "").match(rnoscripts) || [] - var n = array.length - for (var i = 0; i < n; i++) { - var tag = noscripts[i] - if (tag) { //IE6-8中noscript标签的innerHTML,innerText是只读的 - tag.style.display = "none" //http://haslayout.net/css/noscript-Ghost-Bug - tag.fixIE78 = (array[i].match(rnoscriptText) || ["", " "])[1] + } + } else { + //IE系列与够新的标准浏览器支持通过ID取得元素(firefox14+) + //http://tjvantoll.com/2012/07/19/dom-element-references-as-global-variables/ + var el = val && val.nodeType === 1 ? val : DOC.getElementById(val) + if (el) { + 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 + xhr = getXHR() //IE9-11与chrome的innerHTML会得到转义的内容,它们的innerText可以 + xhr.open("GET", location, false) //谢谢Nodejs 乱炖群 深圳-纯属虚构 + xhr.send(null) + //http://bbs.csdn.net/topics/390349046?page=1#post-393492653 + var noscripts = DOC.getElementsByTagName("noscript") + var array = (xhr.responseText || "").match(rnoscripts) || [] + var n = array.length + for (var i = 0; i < n; i++) { + var tag = noscripts[i] + if (tag) { //IE6-8中noscript标签的innerHTML,innerText是只读的 + tag.style.display = "none" //http://haslayout.net/css/noscript-Ghost-Bug + tag.fixIE78 = (array[i].match(rnoscriptText) || ["", " "])[1] + } } } + avalon.nextTick(function () { + scanTemplate(el.fixIE78 || el.value || el.innerText || el.innerHTML) + }) } - avalon.nextTick(function() { - scanTemplate(el.fixIE78 || el.value || el.innerText || el.innerHTML) - }) + } + } else { + if (!root.hasAttribute && typeof val === "string" && (method === "src" || method === "href")) { + val = val.replace(/&/g, "&") //处理IE67自动转义的问题 + } + elem[method] = val + if (window.chrome && elem.tagName === "EMBED") { + var parent = elem.parentNode //#525 chrome1-37下embed标签动态设置src不能发生请求 + var comment = document.createComment("ms-src") + parent.replaceChild(comment, elem) + parent.replaceChild(elem, comment) } } - } else { - if (!root.hasAttribute && typeof val === "string" && (method === "src" || method === "href")) { - val = val.replace(/&/g, "&") //处理IE67自动转义的问题 - } - elem[method] = val - if (window.chrome && elem.tagName === "EMBED") { - var parent = elem.parentNode //#525 chrome1-37下embed标签动态设置src不能发生请求 - var comment = document.createComment("ms-src") - parent.replaceChild(comment, elem) - parent.replaceChild(elem, comment) + } + + function getTemplateNodes(data, id, text) { + var div = data.templateCache && data.templateCache[id] + if (div) { + var dom = DOC.createDocumentFragment(), + firstChild + while (firstChild = div.firstChild) { + dom.appendChild(firstChild) + } + return dom } + return avalon.parseHTML(text) } -} //这几个指令都可以使用插值表达式,如ms-src="aaa/{{b}}/{{c}}.html" -"title,alt,src,value,css,include,href".replace(rword, function(name) { - bindingHandlers[name] = bindingHandlers.attr -}) -//ms-include绑定已由ms-attr绑定实现 - + "title,alt,src,value,css,include,href".replace(rword, function (name) { + bindingHandlers[name] = bindingHandlers.attr + }) //根据VM的属性值或表达式的值切换类名,ms-class="xxx yyy zzz:flag" //http://www.cnblogs.com/rubylouvre/archive/2012/12/17/2818540.html -bindingHandlers["class"] = function(data, vmodels) { - var oldStyle = data.param, + bindingHandlers["class"] = function (data, vmodels) { + var oldStyle = data.param, text = data.value, rightExpr - data.handlerName = "class" - if (!oldStyle || isFinite(oldStyle)) { - data.param = "" //去掉数字 - var noExpr = text.replace(rexprg, function(a) { - return a.replace(/./g, "0") - //return Math.pow(10, a.length - 1) //将插值表达式插入10的N-1次方来占位 - }) - var colonIndex = noExpr.indexOf(":") //取得第一个冒号的位置 - if (colonIndex === -1) { // 比如 ms-class="aaa bbb ccc" 的情况 - var className = text - } else { // 比如 ms-class-1="ui-state-active:checked" 的情况 - className = text.slice(0, colonIndex) - rightExpr = text.slice(colonIndex + 1) - parseExpr(rightExpr, vmodels, data) //决定是添加还是删除 - if (!data.evaluator) { - log("debug: ms-class '" + (rightExpr || "").trim() + "' 不存在于VM中") - return false - } else { - data._evaluator = data.evaluator - data._args = data.args + data.handlerName = "class" + if (!oldStyle || isFinite(oldStyle)) { + data.param = "" //去掉数字 + var noExpr = text.replace(rexprg, function (a) { + return a.replace(/./g, "0") + //return Math.pow(10, a.length - 1) //将插值表达式插入10的N-1次方来占位 + }) + var colonIndex = noExpr.indexOf(":") //取得第一个冒号的位置 + if (colonIndex === -1) { // 比如 ms-class="aaa bbb ccc" 的情况 + var className = text + } else { // 比如 ms-class-1="ui-state-active:checked" 的情况 + className = text.slice(0, colonIndex) + rightExpr = text.slice(colonIndex + 1) + parseExpr(rightExpr, vmodels, data) //决定是添加还是删除 + if (!data.evaluator) { + log("debug: ms-class '" + (rightExpr || "").trim() + "' 不存在于VM中") + return false + } else { + data._evaluator = data.evaluator + data._args = data.args + } } + var hasExpr = rexpr.test(className) //比如ms-class="width{{w}}"的情况 + if (!hasExpr) { + data.immobileClass = className + } + parseExprProxy("", vmodels, data, (hasExpr ? scanExpr(className) : 0)) + } else { + data.immobileClass = data.oldStyle = data.param + parseExprProxy(text, vmodels, data) } - var hasExpr = rexpr.test(className) //比如ms-class="width{{w}}"的情况 - if (!hasExpr) { - data.immobileClass = className - } - parseExprProxy("", vmodels, data, (hasExpr ? scanExpr(className) : 0)) - } else { - data.immobileClass = data.oldStyle = data.param - parseExprProxy(text, vmodels, data) } -} -bindingExecutors ["class"] = function(val, elem, data) { - var $elem = avalon(elem), + bindingExecutors["class"] = function (val, elem, data) { + var $elem = avalon(elem), method = data.type - if (method === "class" && data.oldStyle) { //如果是旧风格 - $elem.toggleClass(data.oldStyle, !!val) - } else { - //如果存在冒号就有求值函数 - data.toggleClass = data._evaluator ? !!data._evaluator.apply(elem, data._args) : true - data.newClass = data.immobileClass || val - if (data.oldClass && data.newClass !== data.oldClass) { - $elem.removeClass(data.oldClass) - } - data.oldClass = data.newClass - switch (method) { - case "class": - $elem.toggleClass(data.newClass, data.toggleClass) - break - case "hover": - case "active": - if (!data.hasBindEvent) { //确保只绑定一次 - var activate = "mouseenter" //在移出移入时切换类名 - var abandon = "mouseleave" - if (method === "active") { //在聚焦失焦中切换类名 - elem.tabIndex = elem.tabIndex || -1 - activate = "mousedown" - abandon = "mouseup" - var fn0 = $elem.bind("mouseleave", function() { + if (method === "class" && data.oldStyle) { //如果是旧风格 + $elem.toggleClass(data.oldStyle, !!val) + } else { + //如果存在冒号就有求值函数 + data.toggleClass = data._evaluator ? !!data._evaluator.apply(elem, data._args) : true + data.newClass = data.immobileClass || val + if (data.oldClass && data.newClass !== data.oldClass) { + $elem.removeClass(data.oldClass) + } + data.oldClass = data.newClass + switch (method) { + case "class": + $elem.toggleClass(data.newClass, data.toggleClass) + break + case "hover": + case "active": + if (!data.hasBindEvent) { //确保只绑定一次 + var activate = "mouseenter" //在移出移入时切换类名 + var abandon = "mouseleave" + if (method === "active") { //在聚焦失焦中切换类名 + elem.tabIndex = elem.tabIndex || -1 + activate = "mousedown" + abandon = "mouseup" + var fn0 = $elem.bind("mouseleave", function () { + data.toggleClass && $elem.removeClass(data.newClass) + }) + } + var fn1 = $elem.bind(activate, function () { + data.toggleClass && $elem.addClass(data.newClass) + }) + var fn2 = $elem.bind(abandon, function () { data.toggleClass && $elem.removeClass(data.newClass) }) + data.rollback = function () { + $elem.unbind("mouseleave", fn0) + $elem.unbind(activate, fn1) + $elem.unbind(abandon, fn2) + } + data.hasBindEvent = true } - var fn1 = $elem.bind(activate, function() { - data.toggleClass && $elem.addClass(data.newClass) - }) - var fn2 = $elem.bind(abandon, function() { - data.toggleClass && $elem.removeClass(data.newClass) - }) - data.rollback = function() { - $elem.unbind("mouseleave", fn0) - $elem.unbind(activate, fn1) - $elem.unbind(abandon, fn2) - } - data.hasBindEvent = true - } - break; + break; + } } } -} -"hover,active".replace(rword, function(method) { - bindingHandlers[method] = bindingHandlers["class"] -}) + "hover,active".replace(rword, function (method) { + bindingHandlers[method] = bindingHandlers["class"] + }) +//ms-controller绑定已经在scanTag 方法中实现 +//ms-css绑定已由ms-attr绑定实现 + + // bindingHandlers.data 定义在if.js -bindingExecutors.data = function(val, elem, data) { - var key = "data-" + data.param - if (val && typeof val === "object") { - elem[key] = val - } else { - elem.setAttribute(key, String(val)) + bindingExecutors.data = function (val, elem, data) { + var key = "data-" + data.param + if (val && typeof val === "object") { + elem[key] = val + } else { + elem.setAttribute(key, String(val)) + } } -} - -// bindingHandlers.text 定义在if.js -bindingExecutors.text = function(val, elem) { - val = val == null ? "" : val //不在页面上显示undefined null - if (elem.nodeType === 3) { //绑定在文本节点上 - try { //IE对游离于DOM树外的节点赋值会报错 - elem.data = val - } catch (e) { +//双工绑定 + var duplexBinding = bindingHandlers.duplex = function (data, vmodels) { + var elem = data.element, + hasCast + parseExprProxy(data.value, vmodels, data, 0, 1) + + data.changed = getBindingCallback(elem, "data-duplex-changed", vmodels) || noop + if (data.evaluator && data.args) { + var params = [] + var casting = oneObject("string,number,boolean,checked") + if (elem.type === "radio" && data.param === "") { + data.param = "checked" + } + if (elem.msData) { + elem.msData["ms-duplex"] = data.value + } + data.param.replace(/\w+/g, function (name) { + if (/^(checkbox|radio)$/.test(elem.type) && /^(radio|checked)$/.test(name)) { + if (name === "radio") + log("ms-duplex-radio已经更名为ms-duplex-checked") + name = "checked" + data.isChecked = true + } + if (name === "bool") { + name = "boolean" + log("ms-duplex-bool已经更名为ms-duplex-boolean") + } else if (name === "text") { + name = "string" + log("ms-duplex-text已经更名为ms-duplex-string") + } + if (casting[name]) { + hasCast = true + } + avalon.Array.ensure(params, name) + }) + if (!hasCast) { + params.push("string") + } + data.param = params.join("-") + data.bound = function (type, callback) { + if (elem.addEventListener) { + elem.addEventListener(type, callback, false) + } else { + elem.attachEvent("on" + type, callback) + } + var old = data.rollback + data.rollback = function () { + elem.avalonSetter = null + avalon.unbind(elem, type, callback) + old && old() + } + } + for (var i in avalon.vmodels) { + var v = avalon.vmodels[i] + v.$fire("avalon-ms-duplex-init", data) + } + var cpipe = data.pipe || (data.pipe = pipe) + cpipe(null, data, "init") + var tagName = elem.tagName + duplexBinding[tagName] && duplexBinding[tagName](elem, data.evaluator.apply(null, data.args), data) } - } else { //绑定在特性节点上 - elem.textContent = val } -} +//不存在 bindingExecutors.duplex + + function fixNull(val) { + return val == null ? "" : val + } -// bindingHandlers.html 定义在if.js -bindingExecutors.html = function(val, elem, data) { - val = val == null ? "" : val - var isHtmlFilter = "group" in data - var parent = isHtmlFilter ? elem.parentNode : elem - if (!parent) - return - if (val.nodeType === 11) { //将val转换为文档碎片 - var fragment = val - } else if (val.nodeType === 1 || val.item) { - var nodes = val.nodeType === 1 ? val.childNodes : val.item ? val : [] - fragment = hyperspace.cloneNode(true) - while (nodes[0]) { - fragment.appendChild(nodes[0]) + avalon.duplexHooks = { + checked: { + get: function (val, data) { + return !data.element.oldValue + } + }, + string: { + get: function (val) { //同步到VM + return val + }, + set: fixNull + }, + "boolean": { + get: function (val) { + return val === "true" + }, + set: fixNull + }, + number: { + get: function (val, data) { + var number = parseFloat(val) + if (-val === -number) { + return number + } + var arr = /strong|medium|weak/.exec(data.element.getAttribute("data-duplex-number")) || ["medium"] + switch (arr[0]) { + case "strong": + return 0 + case "medium": + return val === "" ? "" : 0 + case "weak": + return val + } + }, + set: fixNull } - } else { - fragment = avalon.parseHTML(val) - } - //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 - var comment = DOC.createComment("ms-html") - if (isHtmlFilter) { - parent.insertBefore(comment, elem) - var n = data.group, i = 1 - while (i < n) { - var node = elem.nextSibling - if (node) { - parent.removeChild(node) - i++ - } - } - parent.removeChild(elem) - data.element = comment //防止被CG - } else { - avalon.clearHTML(parent).appendChild(comment) } - if (isHtmlFilter) { - data.group = fragment.childNodes.length || 1 + + function pipe(val, data, action, e) { + data.param.replace(/\w+/g, function (name) { + var hook = avalon.duplexHooks[name] + if (hook && typeof hook[action] === "function") { + val = hook[action](val, data) + } + }) + return val } - var nodes = avalon.slice(fragment.childNodes) - if (nodes[0]) { - if (comment.parentNode) - comment.parentNode.replaceChild(fragment, comment) - if (isHtmlFilter) { - data.element = nodes[0] + + var TimerID, ribbon = [] + + avalon.tick = function (fn) { + if (ribbon.push(fn) === 1) { + TimerID = setInterval(ticker, 60) } } - scanNodeArray(nodes, data.vmodels) -} -bindingHandlers["if"] = - bindingHandlers.data = - bindingHandlers.text = - bindingHandlers.html = - function(data, vmodels) { - parseExprProxy(data.value, vmodels, data) - } - -bindingExecutors["if"] = function(val, elem, data) { - if (val) { //插回DOM树 - if (elem.nodeType === 8) { - elem.parentNode.replaceChild(data.template, elem) - elem = data.element = data.template //这时可能为null - } - if (elem.getAttribute(data.name)) { - elem.removeAttribute(data.name) - scanAttr(elem, data.vmodels) - } - data.rollback = null - } else { //移出DOM树,并用注释节点占据原位置 - if (elem.nodeType === 1) { - var node = data.element = DOC.createComment("ms-if") - elem.parentNode.replaceChild(node, elem) - data.template = elem //元素节点 - ifGroup.appendChild(elem) - data.rollback = function() { - if (elem.parentNode === ifGroup) { - ifGroup.removeChild(elem) - } + function ticker() { + for (var n = ribbon.length - 1; n >= 0; n--) { + var el = ribbon[n] + if (el() === false) { + ribbon.splice(n, 1) } } + if (!ribbon.length) { + clearInterval(TimerID) + } } -} + var watchValueInTimer = noop + var rmsinput = /text|password|hidden/ + new function () { // jshint ignore:line + try { //#272 IE9-IE11, firefox + var setters = {} + var aproto = HTMLInputElement.prototype + var bproto = HTMLTextAreaElement.prototype -function parseDisplay(nodeName, val) { - //用于取得此类标签的默认display值 - var key = "_" + nodeName - if (!parseDisplay[key]) { - var node = DOC.createElement(nodeName) - root.appendChild(node) - if (W3C) { - val = getComputedStyle(node, null).display - } else { - val = node.currentStyle.display - } - root.removeChild(node) - parseDisplay[key] = val - } - return parseDisplay[key] -} - -avalon.parseDisplay = parseDisplay - -bindingHandlers.visible = function(data, vmodels) { - var elem = avalon(data.element) - var display = elem.css("display") - if (display === "none") { - var style = elem[0].style - var has = /visibility/i.test(style.cssText) - var visible = elem.css("visibility") - style.display = "" - style.visibility = "hidden" - display = elem.css("display") - if (display === "none") { - display = parseDisplay(elem[0].nodeName) + function newSetter(value) { // jshint ignore:line + if (avalon.contains(root, this)) { + setters[this.tagName].call(this, value) + if (!rmsinput.test(this.type)) + return + if (!this.msFocus && this.avalonSetter) { + this.avalonSetter() + } + } + } + + var inputProto = HTMLInputElement.prototype + Object.getOwnPropertyNames(inputProto) //故意引发IE6-8等浏览器报错 + setters["INPUT"] = Object.getOwnPropertyDescriptor(aproto, "value").set + Object.defineProperty(aproto, "value", { + set: newSetter + }) + setters["TEXTAREA"] = Object.getOwnPropertyDescriptor(bproto, "value").set + Object.defineProperty(bproto, "value", { + set: newSetter + }) + } catch (e) { + //在chrome 43中 ms-duplex终于不需要使用定时器实现双向绑定了 + // http://updates.html5rocks.com/2015/04/DOM-attributes-now-on-the-prototype + // https://docs.google.com/document/d/1jwA8mtClwxI-QJuHT7872Z0pxpZz8PBkf2bGAbsUtqs/edit?pli=1 + watchValueInTimer = avalon.tick } - style.visibility = has ? visible : "" - } - data.display = display - parseExprProxy(data.value, vmodels, data) -} + } // jshint ignore:line +//处理radio, checkbox, text, textarea, password + duplexBinding.INPUT = function (element, evaluator, data) { + var $type = element.type, + bound = data.bound, + $elem = avalon(element), + composing = false -bindingExecutors.visible = function(val, elem, data) { - elem.style.display = val ? data.display : "none" -} + function callback(value) { + data.changed.call(this, value, data) + } -var rdash = /\(([^)]*)\)/ -bindingHandlers.on = function(data, vmodels) { - var value = data.value - var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10 - if (typeof bindingHandlers.on[eventType + "Hook"] === "function") { - bindingHandlers.on[eventType + "Hook"](data) - } - if (value.indexOf("(") > 0 && value.indexOf(")") > -1) { - var matched = (value.match(rdash) || ["", ""])[1].trim() - if (matched === "" || matched === "$event") { // aaa() aaa($event)当成aaa处理 - value = value.replace(rdash, "") + function compositionStart() { + composing = true } - } - parseExprProxy(value, vmodels, data) -} -bindingExecutors.on = function(callback, elem, data) { - data.type = "on" - callback = function(e) { - var fn = data.evaluator || noop - return fn.apply(this, data.args.concat(e)) - } - var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10 - if (eventType === "scan") { - callback.call(elem, { - type: eventType - }) - } else if (typeof data.specialBind === "function") { - data.specialBind(elem, callback) - } else { - var removeFn = avalon.bind(elem, eventType, callback) - } - data.rollback = function() { - if (typeof data.specialUnbind === "function") { - data.specialUnbind() - } else { - avalon.unbind(elem, eventType, removeFn) + function compositionEnd() { + composing = false } - } -} + //当value变化时改变model的值 -bindingHandlers.widget = function(data, vmodels) { - var args = data.value.match(rword) - var elem = data.element - var widget = args[0] - var id = args[1] - if (!id || id === "$") {//没有定义或为$时,取组件名+随机数 - id = generateID(widget) - } - var optName = args[2] || widget//没有定义,取组件名 - var constructor = avalon.ui[widget] - if (typeof constructor === "function") { //ms-widget="tabs,tabsAAA,optname" - vmodels = elem.vmodels || vmodels - for (var i = 0, v; v = vmodels[i++]; ) { - if (v.hasOwnProperty(optName) && typeof v[optName] === "object") { - var vmOptions = v[optName] - vmOptions = vmOptions.$model || vmOptions - break + var updateVModel = function () { + if (composing) //处理中文输入法在minlengh下引发的BUG + return + var val = element.oldValue = element.value //防止递归调用形成死循环 + var lastValue = data.pipe(val, data, "get") + if ($elem.data("duplexObserve") !== false) { + evaluator(lastValue) + callback.call(element, lastValue) + if ($elem.data("duplex-focus")) { + avalon.nextTick(function () { + element.focus() + }) + } } } - if (vmOptions) { - var wid = vmOptions[widget + "Id"] - if (typeof wid === "string") { - id = wid - } - } - //抽取data-tooltip-text、data-tooltip-attr属性,组成一个配置对象 - var widgetData = avalon.getWidgetData(elem, widget) - data.value = [widget, id, optName].join(",") - data[widget + "Id"] = id - data.evaluator = noop - elem.msData["ms-widget-id"] = id - var options = data[widget + "Options"] = avalon.mix({}, constructor.defaults, vmOptions || {}, widgetData) - elem.removeAttribute("ms-widget") - var vmodel = constructor(elem, data, vmodels) || {} //防止组件不返回VM - if (vmodel.$id) { - avalon.vmodels[id] = vmodel - createSignalTower(elem, vmodel) - if (vmodel.hasOwnProperty("$init")) { - vmodel.$init(function() { - avalon.scan(elem, [vmodel].concat(vmodels)) - if (typeof options.onInit === "function") { - options.onInit.call(elem, vmodel, options, vmodels) - } - }) + //当model变化时,它就会改变value的值 + data.handler = function () { + var val = data.pipe(evaluator(), data, "set") + "" + if (val !== element.oldValue) { + element.value = val } - data.rollback = function() { - try { - vmodel.widgetElement = null - vmodel.$remove() - } catch (e) { + } + if (data.isChecked || $type === "radio") { + updateVModel = function () { + if ($elem.data("duplexObserve") !== false) { + var lastValue = data.pipe(element.value, data, "get") + evaluator(lastValue) + callback.call(element, lastValue) } - elem.msData = {} - delete avalon.vmodels[vmodel.$id] } - addSubscribers(data, widgetList) - if (window.chrome) { - elem.addEventListener("DOMNodeRemovedFromDocument", function() { - setTimeout(removeSubscribers) - }) + data.handler = function () { + var val = evaluator() + var checked = data.isChecked ? !!val : val + "" === element.value + element.checked = element.oldValue = checked + } + bound("click", updateVModel) + } else if ($type === "checkbox") { + updateVModel = function () { + if ($elem.data("duplexObserve") !== false) { + var method = element.checked ? "ensure" : "remove" + var array = evaluator() + if (!Array.isArray(array)) { + log("ms-duplex应用于checkbox上要对应一个数组") + array = [array] + } + avalon.Array[method](array, data.pipe(element.value, data, "get")) + callback.call(element, array) + } + } + data.handler = function () { + var array = [].concat(evaluator()) //强制转换为数组 + element.checked = array.indexOf(data.pipe(element.value, data, "get")) > -1 } + bound("change", updateVModel) } else { - avalon.scan(elem, vmodels) - } - } else if (vmodels.length) { //如果该组件还没有加载,那么保存当前的vmodels - elem.vmodels = vmodels - } -} -var widgetList = [] -//不存在 bindingExecutors.widget -//双工绑定 -var duplexBinding = bindingHandlers.duplex = function(data, vmodels) { - var elem = data.element, - hasCast - parseExprProxy(data.value, vmodels, data, 0, 1) - - data.changed = getBindingCallback(elem, "data-duplex-changed", vmodels) || noop - if (data.evaluator && data.args) { - var params = [] - var casting = oneObject("string,number,boolean,checked") - if (elem.type === "radio" && data.param === "") { - data.param = "checked" - } - if (elem.msData) { - elem.msData["ms-duplex"] = data.value - } - data.param.replace(/\w+/g, function(name) { - if (/^(checkbox|radio)$/.test(elem.type) && /^(radio|checked)$/.test(name)) { - if (name === "radio") - log("ms-duplex-radio已经更名为ms-duplex-checked") - name = "checked" - data.isChecked = true - } - if (name === "bool") { - name = "boolean" - log("ms-duplex-bool已经更名为ms-duplex-boolean") - } else if (name === "text") { - name = "string" - log("ms-duplex-text已经更名为ms-duplex-string") - } - if (casting[name]) { - hasCast = true - } - avalon.Array.ensure(params, name) - }) - if (!hasCast) { - params.push("string") - } - data.param = params.join("-") - data.bound = function(type, callback) { - if (elem.addEventListener) { - elem.addEventListener(type, callback, false) - } else { - elem.attachEvent("on" + type, callback) + var events = element.getAttribute("data-duplex-event") || "input" + if (element.attributes["data-event"]) { + log("data-event指令已经废弃,请改用data-duplex-event") } - var old = data.rollback - data.rollback = function() { - elem.avalonSetter = null - avalon.unbind(elem, type, callback) - old && old() + events.replace(rword, function (name) { + switch (name) { + case "input": + bound("input", updateVModel) + bound("DOMAutoComplete", updateVModel) + if (!IEVersion) { + bound("compositionstart", compositionStart) + bound("compositionend", compositionEnd) + } + break + default: + bound(name, updateVModel) + break + } + }) + bound("focus", function () { + element.msFocus = true + }) + bound("blur", function () { + element.msFocus = false + }) + if (rmsinput.test($type)) { + watchValueInTimer(function () { + if (root.contains(element)) { + if (!element.msFocus && element.oldValue !== element.value) { + updateVModel() + } + } else if (!element.msRetain) { + return false + } + }) } + + element.avalonSetter = updateVModel } - for (var i in avalon.vmodels) { - var v = avalon.vmodels[i] - v.$fire("avalon-ms-duplex-init", data) - } - var cpipe = data.pipe || (data.pipe = pipe) - cpipe(null, data, "init") - var tagName = elem.tagName - duplexBinding[tagName] && duplexBinding[tagName](elem, data.evaluator.apply(null, data.args), data) - } -} -//不存在 bindingExecutors.duplex -function fixNull(val) { - return val == null ? "" : val -} -avalon.duplexHooks = { - checked: { - get: function(val, data) { - return !data.element.oldValue - } - }, - string: { - get: function(val) { //同步到VM - return val - }, - set: fixNull - }, - "boolean": { - get: function(val) { - return val === "true" - }, - set: fixNull - }, - number: { - get: function(val) { - return isFinite(val) ? parseFloat(val) || 0 : val - }, - set: fixNull + + element.oldValue = element.value + avalon.injectBinding(data) + callback.call(element, element.value) } -} + duplexBinding.TEXTAREA = duplexBinding.INPUT + duplexBinding.SELECT = function (element, evaluator, data) { + var $elem = avalon(element) -function pipe(val, data, action, e) { - data.param.replace(/\w+/g, function(name) { - var hook = avalon.duplexHooks[name] - if (hook && typeof hook[action] === "function") { - val = hook[action](val, data) - } - }) - return val -} - -var TimerID, ribbon = [] -function W3CFire(el, name, detail) { - var event = DOC.createEvent("Events") - event.initEvent(name, true, true) - event.fireByAvalon = true//签名,标记事件是由avalon触发 - //event.isTrusted = false 设置这个opera会报错 - if (detail) - event.detail = detail - el.dispatchEvent(event) -} - - -avalon.tick = function(fn) { - if (ribbon.push(fn) === 1) { - TimerID = setInterval(ticker, 60) - } -} - -function ticker() { - for (var n = ribbon.length - 1; n >= 0; n--) { - var el = ribbon[n] - if (el() === false) { - ribbon.splice(n, 1) - } - } - if (!ribbon.length) { - clearInterval(TimerID) - } -} - -var watchValueInTimer = noop -new function() { - try {//#272 IE9-IE11, firefox - var setters = {} - var aproto = HTMLInputElement.prototype - var bproto = HTMLTextAreaElement.prototype - function newSetter(value) { - if (avalon.contains(root, this)) { - setters[this.tagName].call(this, value) - if (this.avalonSetter) { - this.avalonSetter() + function updateVModel() { + if ($elem.data("duplexObserve") !== false) { + var val = $elem.val() //字符串或字符串数组 + if (Array.isArray(val)) { + val = val.map(function (v) { + return data.pipe(v, data, "get") + }) + } else { + val = data.pipe(val, data, "get") } + if (val + "" !== element.oldValue) { + evaluator(val) + } + data.changed.call(element, val, data) } } - var inputProto = HTMLInputElement.prototype - Object.getOwnPropertyNames(inputProto) //故意引发IE6-8等浏览器报错 - setters["INPUT"] = Object.getOwnPropertyDescriptor(aproto, "value").set - Object.defineProperty(aproto, "value", { - set: newSetter - }) - setters["TEXTAREA"] = Object.getOwnPropertyDescriptor(bproto, "value").set - Object.defineProperty(bproto, "value", { - set: newSetter - }) - } catch (e) { - watchValueInTimer = avalon.tick - } -} - -//处理radio, checkbox, text, textarea, password -duplexBinding.INPUT = function(element, evaluator, data) { - var type = element.type, - bound = data.bound, - $elem = avalon(element), - composing = false - function callback(value) { - data.changed.call(this, value, data) - } - function compositionStart() { - composing = true - } - function compositionEnd() { - composing = false - } - //当value变化时改变model的值 - function updateVModel() { - if (composing)//处理中文输入法在minlengh下引发的BUG - return - var val = element.oldValue = element.value //防止递归调用形成死循环 - var lastValue = data.pipe(val, data, "get") - if ($elem.data("duplex-observe") !== false) { - evaluator(lastValue) - callback.call(element, lastValue) - if ($elem.data("duplex-focus")) { - avalon.nextTick(function() { - element.focus() - }) + data.handler = function () { + var val = evaluator() + val = val && val.$model || val + if (Array.isArray(val)) { + if (!element.multiple) { + log("ms-duplex在<select multiple=true>上要求对应一个数组") + } + } else { + if (element.multiple) { + log("ms-duplex在<select multiple=false>不能对应一个数组") + } + } + //必须变成字符串后才能比较 + val = Array.isArray(val) ? val.map(String) : val + "" + if (val + "" !== element.oldValue) { + $elem.val(val) + element.oldValue = val + "" } } - } - //当model变化时,它就会改变value的值 - data.handler = function() { - var val = data.pipe(evaluator(), data, "set") - if (val !== element.oldValue) { - element.value = val + data.bound("change", updateVModel) + element.msCallback = function () { + avalon.injectBinding(data) + data.changed.call(element, evaluator(), data) } } - if (data.isChecked || element.type === "radio") { - updateVModel = function() { - if ($elem.data("duplex-observe") !== false) { - var lastValue = data.pipe(element.value, data, "get") - evaluator(lastValue) - callback.call(element, lastValue) +// bindingHandlers.html 定义在if.js + bindingExecutors.html = function (val, elem, data) { + val = val == null ? "" : val + var isHtmlFilter = "group" in data + var parent = isHtmlFilter ? elem.parentNode : elem + if (!parent) + return + if (typeof val === "string") { + var fragment = avalon.parseHTML(val) + } else if (val.nodeType === 11) { //将val转换为文档碎片 + fragment = val + } else if (val.nodeType === 1 || val.item) { + var nodes = val.nodeType === 1 ? val.childNodes : val.item + fragment = hyperspace.cloneNode(true) + while (nodes[0]) { + fragment.appendChild(nodes[0]) } } - data.handler = function() { - var val = evaluator() - var checked = data.isChecked ? !!val : val + "" === element.value - element.checked = element.oldValue = checked - } - bound("click", updateVModel) - } else if (type === "checkbox") { - updateVModel = function() { - if ($elem.data("duplex-observe") !== false) { - var method = element.checked ? "ensure" : "remove" - var array = evaluator() - if (!Array.isArray(array)) { - log("ms-duplex应用于checkbox上要对应一个数组") - array = [array] + if (!fragment.firstChild) { + fragment.appendChild(DOC.createComment("ms-html")) + } + nodes = avalon.slice(fragment.childNodes) + //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 + if (isHtmlFilter) { + var n = data.group, + i = 1 + + data.group = nodes.length + data.element = nodes[0] + + while (i < n) { + var node = elem.nextSibling + if (node) { + parent.removeChild(node) + i++ } - avalon.Array[method](array, data.pipe(element.value, data, "get")) - callback.call(element, array) } + parent.replaceChild(fragment, elem) + } else { + avalon.clearHTML(parent).appendChild(fragment) } - data.handler = function() { - var array = [].concat(evaluator()) //强制转换为数组 - element.checked = array.indexOf(data.pipe(element.value, data, "get")) > -1 - } - bound("change", updateVModel) - } else { - var events = element.getAttribute("data-duplex-event") || element.getAttribute("data-event") || "input" - if (element.attributes["data-event"]) { - log("data-event指令已经废弃,请改用data-duplex-event") - } - events.replace(rword, function(name) { - switch (name) { - case "input": - bound("input", updateVModel) - bound("DOMAutoComplete", updateVModel) - if (!IEVersion) { - bound("compositionstart", compositionStart) - bound("compositionend", compositionEnd) + scanNodeArray(nodes, data.vmodels) + } + bindingHandlers["if"] = + bindingHandlers.data = + bindingHandlers.text = + bindingHandlers.html = + function (data, vmodels) { + parseExprProxy(data.value, vmodels, data) } - break - default: - bound(name, updateVModel) - break + + bindingExecutors["if"] = function (val, elem, data) { + if (val) { //插回DOM树 + if (elem.nodeType === 8) { + elem.parentNode.replaceChild(data.template, elem) + elem = data.element = data.template //这时可能为null } - }) + if (elem.getAttribute(data.name)) { + elem.removeAttribute(data.name) + scanAttr(elem, data.vmodels) + } + data.rollback = null + } else { //移出DOM树,并用注释节点占据原位置 + if (elem.nodeType === 1) { + var node = data.element = DOC.createComment("ms-if") + elem.parentNode.replaceChild(node, elem) + data.template = elem //元素节点 + ifGroup.appendChild(elem) + data.rollback = function () { + if (elem.parentNode === ifGroup) { + ifGroup.removeChild(elem) + } + } + } + } } +//ms-important绑定已经在scanTag 方法中实现 +//ms-include绑定已由ms-attr绑定实现 - if (/text|password/.test(element.type)) { - watchValueInTimer(function() { - if (root.contains(element)) { - if (element.value !== element.oldValue) { - updateVModel() - } - } else if (!element.msRetain) { - return false + var rdash = /\(([^)]*)\)/ + bindingHandlers.on = function (data, vmodels) { + var value = data.value + data.type = "on" + var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10 + if (typeof bindingHandlers.on[eventType + "Hook"] === "function") { + bindingHandlers.on[eventType + "Hook"](data) + } + if (value.indexOf("(") > 0 && value.indexOf(")") > -1) { + var matched = (value.match(rdash) || ["", ""])[1].trim() + if (matched === "" || matched === "$event") { // aaa() aaa($event)当成aaa处理 + value = value.replace(rdash, "") } - }) + } + parseExprProxy(value, vmodels, data) } - - element.avalonSetter = updateVModel - element.oldValue = element.value - registerSubscriber(data) - callback.call(element, element.value) -} -duplexBinding.TEXTAREA = duplexBinding.INPUT -duplexBinding.SELECT = function(element, evaluator, data) { - var $elem = avalon(element) - function updateVModel() { - if ($elem.data("duplex-observe") !== false) { - var val = $elem.val() //字符串或字符串数组 - if (Array.isArray(val)) { - val = val.map(function(v) { - return data.pipe(v, data, "get") - }) + + bindingExecutors.on = function (callback, elem, data) { + callback = function (e) { + var fn = data.evaluator || noop + return fn.apply(this, data.args.concat(e)) + } + var eventType = data.param.replace(/-\d+$/, "") // ms-on-mousemove-10 + if (eventType === "scan") { + callback.call(elem, { + type: eventType + }) + } else if (typeof data.specialBind === "function") { + data.specialBind(elem, callback) + } else { + var removeFn = avalon.bind(elem, eventType, callback) + } + data.rollback = function () { + if (typeof data.specialUnbind === "function") { + data.specialUnbind() } else { - val = data.pipe(val, data, "get") - } - if (val + "" !== element.oldValue) { - evaluator(val) + avalon.unbind(elem, eventType, removeFn) } - data.changed.call(element, val, data) } } - data.handler = function() { - var val = evaluator() - val = val && val.$model || val - if (Array.isArray(val)) { - if (!element.multiple) { - log("ms-duplex在<select multiple=true>上要求对应一个数组") + bindingHandlers.repeat = function (data, vmodels) { + var type = data.type + parseExprProxy(data.value, vmodels, data, 0, 1) + var freturn = false + try { + var $repeat = data.$repeat = data.evaluator.apply(0, data.args || []) + var xtype = avalon.type($repeat) + if (xtype !== "object" && xtype !== "array") { + freturn = true + avalon.log("warning:" + data.value + "只能是对象或数组") } - } else { - if (element.multiple) { - log("ms-duplex在<select multiple=false>不能对应一个数组") - } - } - //必须变成字符串后才能比较 - val = Array.isArray(val) ? val.map(String) : val + "" - if (val + "" !== element.oldValue) { - $elem.val(val) - element.oldValue = val + "" - } - } - data.bound("change", updateVModel) - checkScan(element, function() { - registerSubscriber(data) - data.changed.call(element, evaluator(), data) - }, NaN) -} - - -bindingHandlers.repeat = function(data, vmodels) { - var type = data.type - parseExprProxy(data.value, vmodels, data, 0, 1) - data.proxies = [] - var freturn = false - try { - var $repeat = data.$repeat = data.evaluator.apply(0, data.args || []) - var xtype = avalon.type($repeat) - if (xtype !== "object" && xtype !== "array") { + } catch (e) { freturn = true - avalon.log("warning:" + data.value + "对应类型不正确") - } - } catch (e) { - freturn = true - avalon.log("warning:" + data.value + "编译出错") - } - - var arr = data.value.split(".") || [] - if (arr.length > 1) { - arr.pop() - var n = arr[0] - for (var i = 0, v; v = vmodels[i++]; ) { - if (v && v.hasOwnProperty(n)) { - var events = v[n].$events || {} - events[subscribers] = events[subscribers] || [] - events[subscribers].push(data) - break - } } - } - var elem = data.element - elem.removeAttribute(data.name) - data.sortedCallback = getBindingCallback(elem, "data-with-sorted", vmodels) - data.renderedCallback = getBindingCallback(elem, "data-" + type + "-rendered", vmodels) - var signature = generateID(type) - var comment = data.element = DOC.createComment(signature + ":end") - data.clone = DOC.createComment(signature) - hyperspace.appendChild(comment) - - if (type === "each" || type === "with") { - data.template = elem.innerHTML.trim() - avalon.clearHTML(elem).appendChild(comment) - } else { - data.template = elem.outerHTML.trim() - elem.parentNode.replaceChild(comment, elem) - } - data.template = avalon.parseHTML(data.template) - data.rollback = function() { + var arr = data.value.split(".") || [] + if (arr.length > 1) { + arr.pop() + var n = arr[0] + for (var i = 0, v; v = vmodels[i++];) { + if (v && v.hasOwnProperty(n)) { + var events = v[n].$events || {} + events[subscribers] = events[subscribers] || [] + events[subscribers].push(data) + break + } + } + } var elem = data.element - if (!elem) + elem.removeAttribute(data.name) + + data.sortedCallback = getBindingCallback(elem, "data-with-sorted", vmodels) + data.renderedCallback = getBindingCallback(elem, "data-" + type + "-rendered", vmodels) + var signature = generateID(type) + var comment = data.element = DOC.createComment(signature + ":end") + data.clone = DOC.createComment(signature) + hyperspace.appendChild(comment) + + if (type === "each" || type === "with") { + data.template = elem.innerHTML.trim() + avalon.clearHTML(elem).appendChild(comment) + } else { + data.template = elem.outerHTML.trim() + elem.parentNode.replaceChild(comment, elem) + } + data.template = avalon.parseHTML(data.template) + data.rollback = function () { + var elem = data.element + if (!elem) + return + bindingExecutors.repeat.call(data, "clear") + var parentNode = elem.parentNode + var content = data.template + var target = content.firstChild + parentNode.replaceChild(content, elem) + var start = data.$with + start && start.parentNode && start.parentNode.removeChild(start) + target = data.element = data.type === "repeat" ? target : parentNode + } + if (freturn) { return - bindingExecutors.repeat.call(data, "clear") - var parentNode = elem.parentNode - var content = data.template - var target = content.firstChild - parentNode.replaceChild(content, elem) - var start = data.$stamp - start && start.parentNode && start.parentNode.removeChild(start) - target = data.element = data.type === "repeat" ? target : parentNode - } - if (freturn) { - return - } - data.handler = bindingExecutors.repeat - data.$outer = {} - var check0 = "$key" - var check1 = "$val" - if (Array.isArray($repeat)) { - check0 = "$first" - check1 = "$last" - } - for (var i = 0, p; p = vmodels[i++]; ) { - if (p.hasOwnProperty(check0) && p.hasOwnProperty(check1)) { - data.$outer = p - break - } - } - var $events = $repeat.$events - var $list = ($events || {})[subscribers] - if ($list && avalon.Array.ensure($list, data)) { - addSubscribers(data, $list) - } - if (xtype === "object") { - data.$with = true - var pool = !$events ? {} : $events.$withProxyPool || ($events.$withProxyPool = {}) - data.handler("append", $repeat, pool) - } else if ($repeat.length) { - data.handler("add", 0, $repeat.length) - } -} - -bindingExecutors.repeat = function(method, pos, el) { - if (method) { - var data = this - var end = data.element - var parent = end.parentNode - var proxies = data.proxies - var transation = hyperspace.cloneNode(false) - switch (method) { - case "add": //在pos位置后添加el数组(pos为数字,el为数组) - var n = pos + el - var array = data.$repeat - var last = array.length - 1 - var fragments = [] - var start = locateNode(data, pos) - for (var i = pos; i < n; i++) { - var proxy = eachProxyAgent(i, data) - proxies.splice(i, 0, proxy) - shimController(data, transation, proxy, fragments) - } - parent.insertBefore(transation, start) - for (var i = 0, fragment; fragment = fragments[i++]; ) { - scanNodeArray(fragment.nodes, fragment.vmodels) - fragment.nodes = fragment.vmodels = null - } - break - case "del": //将pos后的el个元素删掉(pos, el都是数字) - start = proxies[pos].$stamp - end = locateNode(data, pos + el) - sweepNodes(start, end) - var removed = proxies.splice(pos, el) - recycleProxies(removed, "each") - break - case "clear": - var check = data.$stamp || proxies[0] - if (check) { - start = check.$stamp || check - sweepNodes(start, end) - } - recycleProxies(proxies, "each") + } + data.handler = bindingExecutors.repeat + data.$outer = {} + var check0 = "$key" + var check1 = "$val" + if (Array.isArray($repeat)) { + $repeat.$map[data.param || "el"] = 1 + check0 = "$first" + check1 = "$last" + } + for (i = 0; v = vmodels[i++];) { + if (v.hasOwnProperty(check0) && v.hasOwnProperty(check1)) { + data.$outer = v break - case "move": - start = proxies[0].$stamp - var signature = start.nodeValue - var rooms = [] - var room = [], node - sweepNodes(start, end, function() { - room.unshift(this) - if (this.nodeValue === signature) { - rooms.unshift(room) - room = [] + } + } + var $events = $repeat.$events + var $list = ($events || {})[subscribers] + if ($list && avalon.Array.ensure($list, data)) { + addSubscribers(data, $list) + } + if (xtype === "object") { + data.$with = true + var pool = !$events ? {} : $events.$withProxyPool || ($events.$withProxyPool = {}) + data.handler("append", $repeat, pool) + } else if ($repeat.length) { + data.handler("add", 0, $repeat.length) + } + } + + bindingExecutors.repeat = function (method, pos, el) { + if (method) { + var data = this, start, fragment + var end = data.element + var comments = getComments(data) + var parent = end.parentNode + var transation = hyperspace.cloneNode(false) + switch (method) { + case "add": //在pos位置后添加el数组(pos为插入位置,el为要插入的个数) + var n = pos + el + var fragments = [] + var array = data.$repeat + for (var i = pos; i < n; i++) { + var proxy = array.$proxy[i] + proxy.$outer = data.$outer + shimController(data, transation, proxy, fragments) } - }) - sortByIndex(proxies, pos) - sortByIndex(rooms, pos) - while (room = rooms.shift()) { - while (node = room.shift()) { - transation.appendChild(node) + parent.insertBefore(transation, comments[pos] || end) + for (i = 0; fragment = fragments[i++];) { + scanNodeArray(fragment.nodes, fragment.vmodels) + fragment.nodes = fragment.vmodels = null } - } - parent.insertBefore(transation, end) - break - case "index": //将proxies中的第pos个起的所有元素重新索引 - var last = proxies.length - 1 - for (; el = proxies[pos]; pos++) { - el.$index = pos - el.$first = pos === 0 - el.$last = pos === last - } - return - case "set": //将proxies中的第pos个元素的VM设置为el(pos为数字,el任意) - var proxy = proxies[pos] - if (proxy) { - notifySubscribers(proxy.$events.$index) - } - return - case "append": //将pos的键值对从el中取出(pos为一个普通对象,el为预先生成好的代理VM对象池) - var pool = el - var keys = [] - var fragments = [] - for (var key in pos) { //得到所有键名 - if (pos.hasOwnProperty(key) && key !== "hasOwnProperty") { - keys.push(key) + break + case "del": //将pos后的el个元素删掉(pos, el都是数字) + sweepNodes(comments[pos], comments[pos + el] || end) + break + case "clear": + start = comments[0] + if (start) { + sweepNodes(start, end) } - } - if (data.sortedCallback) { //如果有回调,则让它们排序 - var keys2 = data.sortedCallback.call(parent, keys) - if (keys2 && Array.isArray(keys2) && keys2.length) { - keys = keys2 + break + case "move": + start = comments[0] + if (start) { + var signature = start.nodeValue + var rooms = [] + var room = [], + node + sweepNodes(start, end, function () { + room.unshift(this) + if (this.nodeValue === signature) { + rooms.unshift(room) + room = [] + } + }) + sortByIndex(rooms, pos) + while (room = rooms.shift()) { + while (node = room.shift()) { + transation.appendChild(node) + } + } + parent.insertBefore(transation, end) } - } - for (var i = 0, key; key = keys[i++]; ) { - if (key !== "hasOwnProperty") { - if (!pool[key]) { - pool[key] = withProxyAgent(key, data) + break + case "append": //将pos的键值对从el中取出(pos为一个普通对象,el为预先生成好的代理VM对象池) + var pool = el + var keys = [] + fragments = [] + for (var key in pos) { //得到所有键名 + if (pos.hasOwnProperty(key) && key !== "hasOwnProperty") { + keys.push(key) } - shimController(data, transation, pool[key], fragments) } + if (data.sortedCallback) { //如果有回调,则让它们排序 + var keys2 = data.sortedCallback.call(parent, keys) + if (keys2 && Array.isArray(keys2) && keys2.length) { + keys = keys2 + } + } + for (i = 0; key = keys[i++];) { + if (key !== "hasOwnProperty") { + if (!pool[key]) { + pool[key] = withProxyAgent(key, data) + } + shimController(data, transation, pool[key], fragments) + } + } + var comment = data.$with = data.clone + parent.insertBefore(comment, end) + parent.insertBefore(transation, end) + for (i = 0; fragment = fragments[i++];) { + scanNodeArray(fragment.nodes, fragment.vmodels) + fragment.nodes = fragment.vmodels = null + } + break + } + if (method === "clear") + method = "del" + var callback = data.renderedCallback || noop, + args = arguments + checkScan(parent, function () { + callback.apply(parent, args) + if (parent.oldValue && parent.tagName === "SELECT") { //fix #503 + avalon(parent).val(parent.oldValue.split(",")) } - var comment = data.$stamp = data.clone - parent.insertBefore(comment, end) - parent.insertBefore(transation, end) - for (var i = 0, fragment; fragment = fragments[i++]; ) { - scanNodeArray(fragment.nodes, fragment.vmodels) - fragment.nodes = fragment.vmodels = null - } - break + }, NaN) } - if (method === "clear") - method = "del" - var callback = data.renderedCallback || noop, - args = arguments - checkScan(parent, function() { - callback.apply(parent, args) - if (parent.oldValue && parent.tagName === "SELECT") { //fix #503 - avalon(parent).val(parent.oldValue.split(",")) - } - }, NaN) } -} -"with,each".replace(rword, function(name) { - bindingHandlers[name] = bindingHandlers.repeat -}) + "with,each".replace(rword, function (name) { + bindingHandlers[name] = bindingHandlers.repeat + }) -function shimController(data, transation, proxy, fragments) { - var content = data.template.cloneNode(true) - var nodes = avalon.slice(content.childNodes) - if (proxy.$stamp) { - content.insertBefore(proxy.$stamp, content.firstChild) + function shimController(data, transation, proxy, fragments) { + var content = data.template.cloneNode(true) + var nodes = avalon.slice(content.childNodes) + if (!data.$with) { + content.insertBefore(data.clone.cloneNode(false), content.firstChild) + } + transation.appendChild(content) + var nv = [proxy].concat(data.vmodels) + var fragment = { + nodes: nodes, + vmodels: nv + } + fragments.push(fragment) } - transation.appendChild(content) - var nv = [proxy].concat(data.vmodels) - var fragment = { - nodes: nodes, - vmodels: nv + + function getComments(data) { + var end = data.element + var signature = end.nodeValue.replace(":end", "") + var node = end.previousSibling + var array = [] + while (node) { + if (node.nodeValue === signature) { + array.unshift(node) + } + node = node.previousSibling + } + return array } - fragments.push(fragment) -} -function locateNode(data, pos) { - var proxy = data.proxies[pos] - return proxy ? proxy.$stamp : data.element -} -function sweepNodes(start, end, callback) { - while (true) { - var node = end.previousSibling - if (!node) - break - node.parentNode.removeChild(node) - callback && callback.call(node) - if (node === start) { - break +//移除掉start与end之间的节点(保留end) + function sweepNodes(start, end, callback) { + while (true) { + var node = end.previousSibling + if (!node) + break + node.parentNode.removeChild(node) + callback && callback.call(node) + if (node === start) { + break + } } } -} // 为ms-each,ms-with, ms-repeat会创建一个代理VM, // 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 // 所有代理VM的产生,消费,收集,存放通过xxxProxyFactory,xxxProxyAgent, recycleProxies,xxxProxyPool实现 -var eachProxyPool = [] -var withProxyPool = [] -function eachProxyFactory(name) { - var source = { - $host: [], - $outer: {}, - $stamp: 1, - $index: 0, - $first: false, - $last: false, - $remove: avalon.noop - } - source[name] = { - get: function() { - return this.$host[this.$index] - }, - set: function(val) { - this.$host.set(this.$index, val) - } - } - var second = { - $last: 1, - $first: 1, - $index: 1 - } - var proxy = modelFactory(source, second) - var e = proxy.$events - e[name] = e.$first = e.$last = e.$index - proxy.$id = generateID("$proxy$each") - return proxy -} - -function eachProxyAgent(index, data) { - var param = data.param || "el", proxy - for (var i = 0, n = eachProxyPool.length; i < n; i++) { - var candidate = eachProxyPool[i] - if (candidate && candidate.hasOwnProperty(param)) { - proxy = candidate - eachProxyPool.splice(i, 1) - } - } - if (!proxy) { - proxy = eachProxyFactory(param) - } - var host = data.$repeat - var last = host.length - 1 - proxy.$index = index - proxy.$first = index === 0 - proxy.$last = index === last - proxy.$host = host - proxy.$outer = data.$outer - proxy.$stamp = data.clone.cloneNode(false) - proxy.$remove = function() { - return host.removeAt(proxy.$index) - } - return proxy -} - -function withProxyFactory() { - var proxy = modelFactory({ - $key: "", - $outer: {}, - $host: {}, - $val: { - get: function() { - return this.$host[this.$key] - }, - set: function(val) { - this.$host[this.$key] = val + var eachProxyPool = [] + var withProxyPool = [] + + function eachProxyFactory() { + var source = { + $index: 0, + $first: false, + $last: false, + $map: {}, + $host: [], + $outer: {}, + $remove: avalon.noop, + el: { + get: function () { + var e = this.$events + var array = e.$index + e.$index = e.el //#817 通过$index为el收集依赖 + try { + return this.$host[this.$index] + } finally { + e.$index = array + } + }, + set: function (val) { + this.$host.set(this.$index, val) + } } } - }, { - $val: 1 - }) - proxy.$id = generateID("$proxy$with") - return proxy -} - -function withProxyAgent(key, data) { - var proxy = withProxyPool.pop() - if (!proxy) { - proxy = withProxyFactory() - } - var host = data.$repeat - proxy.$key = key - proxy.$host = host - proxy.$outer = data.$outer - if (host.$events) { - proxy.$events.$val = host.$events[key] - } else { - proxy.$events = {} - } - return proxy -} - -function recycleProxies(proxies, type) { - var proxyPool = type === "each" ? eachProxyPool : withProxyPool - avalon.each(proxies, function(key, proxy) { - if (proxy.$events) { - for (var i in proxy.$events) { - if (Array.isArray(proxy.$events[i])) { - proxy.$events[i].forEach(function(data) { - if (typeof data === "object") - disposeData(data) - }) - proxy.$events[i].length = 0 + + var second = { + $last: 1, + $first: 1, + $index: 1 + } + var proxy = modelFactory(source, second) + proxy.$id = generateID("$proxy$each") + return proxy + } + + function eachProxyAgent(index, host) { + var proxy = eachProxyPool.shift() + if (!proxy) { + proxy = eachProxyFactory() + } + var last = host.length - 1 + proxy.$index = index + proxy.$first = index === 0 + proxy.$last = index === last + proxy.$map = host.$map + proxy.$host = host + proxy.$remove = function () { + return host.removeAt(proxy.$index) + } + return proxy + } + + function withProxyFactory() { + var proxy = modelFactory({ + $key: "", + $outer: {}, + $host: {}, + $val: { + get: function () { + return this.$host[this.$key] + }, + set: function (val) { + this.$host[this.$key] = val + } + } + }, { + $val: 1 + }) + proxy.$id = generateID("$proxy$with") + return proxy + } + + function withProxyAgent(key, data) { + var proxy = withProxyPool.pop() + if (!proxy) { + proxy = withProxyFactory() + } + var host = data.$repeat + proxy.$key = key + proxy.$host = host + proxy.$outer = data.$outer + if (host.$events) { + proxy.$events.$val = host.$events[key] + } else { + proxy.$events = {} + } + return proxy + } + + function recycleProxies(proxies, type) { + var proxyPool = type === "each" ? eachProxyPool : withProxyPool + avalon.each(proxies, function (key, proxy) { + if (proxy.$events) { + for (var i in proxy.$events) { + if (Array.isArray(proxy.$events[i])) { + proxy.$events[i].forEach(function (data) { + if (typeof data === "object") + disposeData(data) + }) // jshint ignore:line + proxy.$events[i].length = 0 + } + } + proxy.$host = proxy.$outer = {} + if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) { + proxyPool.pop() } } - proxy.$host = proxy.$outer = {} - if (proxyPool.unshift(proxy) > kernel.maxRepeatSize) { - proxyPool.pop() + }) + if (type === "each") + proxies.length = 0 + } + + /********************************************************************* + * 各种指令 * + **********************************************************************/ +//ms-skip绑定已经在scanTag 方法中实现 +// bindingHandlers.text 定义在if.js + bindingExecutors.text = function (val, elem) { + val = val == null ? "" : val //不在页面上显示undefined null + if (elem.nodeType === 3) { //绑定在文本节点上 + try { //IE对游离于DOM树外的节点赋值会报错 + elem.data = val + } catch (e) { + } + } else { //绑定在特性节点上 + elem.textContent = val + } + } + function parseDisplay(nodeName, val) { + //用于取得此类标签的默认display值 + var key = "_" + nodeName + if (!parseDisplay[key]) { + var node = DOC.createElement(nodeName) + root.appendChild(node) + if (W3C) { + val = getComputedStyle(node, null).display + } else { + val = node.currentStyle.display } + root.removeChild(node) + parseDisplay[key] = val } - }) - if (type === "each") - proxies.length = 0 -} - - - - -/********************************************************************* - * 自带过滤器 * - **********************************************************************/ -var rscripts = /<script[^>]*>([\S\s]*?)<\/script\s*>/gim -var ron = /\s+(on[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g -var ropen = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/ig -var rsanitize = { - a: /\b(href)\=("javascript[^"]*"|'javascript[^']*')/ig, - img: /\b(src)\=("javascript[^"]*"|'javascript[^']*')/ig, - form: /\b(action)\=("javascript[^"]*"|'javascript[^']*')/ig -} -var rsurrogate = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g -var rnoalphanumeric = /([^\#-~| |!])/g; - -function numberFormat(number, decimals, dec_point, thousands_sep) { - //form http://phpjs.org/functions/number_format/ - //number 必需,要格式化的数字 - //decimals 可选,规定多少个小数位。 - //dec_point 可选,规定用作小数点的字符串(默认为 . )。 - //thousands_sep 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。 - number = (number + '') + return parseDisplay[key] + } + + avalon.parseDisplay = parseDisplay + + bindingHandlers.visible = function (data, vmodels) { + var elem = avalon(data.element) + var display = elem.css("display") + if (display === "none") { + var style = elem[0].style + var has = /visibility/i.test(style.cssText) + var visible = elem.css("visibility") + style.display = "" + style.visibility = "hidden" + display = elem.css("display") + if (display === "none") { + display = parseDisplay(elem[0].nodeName) + } + style.visibility = has ? visible : "" + } + data.display = display + parseExprProxy(data.value, vmodels, data) + } + + bindingExecutors.visible = function (val, elem, data) { + elem.style.display = val ? data.display : "none" + } + bindingHandlers.widget = function (data, vmodels) { + var args = data.value.match(rword) + var elem = data.element + var widget = args[0] + var id = args[1] + if (!id || id === "$") { //没有定义或为$时,取组件名+随机数 + id = generateID(widget) + } + var optName = args[2] || widget //没有定义,取组件名 + var constructor = avalon.ui[widget] + if (typeof constructor === "function") { //ms-widget="tabs,tabsAAA,optname" + vmodels = elem.vmodels || vmodels + for (var i = 0, v; v = vmodels[i++];) { + if (v.hasOwnProperty(optName) && typeof v[optName] === "object") { + var vmOptions = v[optName] + vmOptions = vmOptions.$model || vmOptions + break + } + } + if (vmOptions) { + var wid = vmOptions[widget + "Id"] + if (typeof wid === "string") { + log("warning!不再支持" + widget + "Id") + id = wid + } + } + //抽取data-tooltip-text、data-tooltip-attr属性,组成一个配置对象 + var widgetData = avalon.getWidgetData(elem, widget) + data.value = [widget, id, optName].join(",") + data[widget + "Id"] = id + data.evaluator = noop + elem.msData["ms-widget-id"] = id + var options = data[widget + "Options"] = avalon.mix({}, constructor.defaults, vmOptions || {}, widgetData) + elem.removeAttribute("ms-widget") + var vmodel = constructor(elem, data, vmodels) || {} //防止组件不返回VM + if (vmodel.$id) { + avalon.vmodels[id] = vmodel + createSignalTower(elem, vmodel) + try { + vmodel.$init(function () { + avalon.scan(elem, [vmodel].concat(vmodels)) + if (typeof options.onInit === "function") { + options.onInit.call(elem, vmodel, options, vmodels) + } + }) + } catch (e) { + } + data.rollback = function () { + try { + vmodel.widgetElement = null + vmodel.$remove() + } catch (e) { + } + elem.msData = {} + delete avalon.vmodels[vmodel.$id] + } + addSubscribers(data, widgetList) + if (window.chrome) { + elem.addEventListener("DOMNodeRemovedFromDocument", function () { + setTimeout(removeSubscribers) + }) + } + } else { + avalon.scan(elem, vmodels) + } + } else if (vmodels.length) { //如果该组件还没有加载,那么保存当前的vmodels + elem.vmodels = vmodels + } + } + var widgetList = [] +//不存在 bindingExecutors.widget + /********************************************************************* + * 自带过滤器 * + **********************************************************************/ + var rscripts = /<script[^>]*>([\S\s]*?)<\/script\s*>/gim + var ron = /\s+(on[^=\s]+)(?:=("[^"]*"|'[^']*'|[^\s>]+))?/g + var ropen = /<\w+\b(?:(["'])[^"]*?(\1)|[^>])*>/ig + var rsanitize = { + a: /\b(href)\=("javascript[^"]*"|'javascript[^']*')/ig, + img: /\b(src)\=("javascript[^"]*"|'javascript[^']*')/ig, + form: /\b(action)\=("javascript[^"]*"|'javascript[^']*')/ig + } + var rsurrogate = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g + var rnoalphanumeric = /([^\#-~| |!])/g; + + function numberFormat(number, decimals, point, thousands) { + //form http://phpjs.org/functions/number_format/ + //number 必需,要格式化的数字 + //decimals 可选,规定多少个小数位。 + //point 可选,规定用作小数点的字符串(默认为 . )。 + //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。 + number = (number + '') .replace(/[^0-9+\-Ee.]/g, '') - var n = !isFinite(+number) ? 0 : +number, - prec = !isFinite(+decimals) ? 0 : Math.abs(decimals), - sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep, - dec = (typeof dec_point === 'undefined') ? '.' : dec_point, + var n = !isFinite(+number) ? 0 : +number, + prec = !isFinite(+decimals) ? 3 : Math.abs(decimals), + sep = thousands || ",", + dec = point || ".", s = '', - toFixedFix = function(n, prec) { + toFixedFix = function (n, prec) { var k = Math.pow(10, prec) return '' + (Math.round(n * k) / k) .toFixed(prec) } - // Fix for IE parseFloat(0.55).toFixed(0) = 0; - s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)) + // Fix for IE parseFloat(0.55).toFixed(0) = 0; + s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)) .split('.') - if (s[0].length > 3) { - s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep) - } - if ((s[1] || '') - .length < prec) { - s[1] = s[1] || '' - s[1] += new Array(prec - s[1].length + 1) + if (s[0].length > 3) { + s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep) + } + if ((s[1] || '') + .length < prec) { + s[1] = s[1] || '' + s[1] += new Array(prec - s[1].length + 1) .join('0') - } - return s.join(dec) -} - - -var filters = avalon.filters = { - uppercase: function(str) { - return str.toUpperCase() - }, - lowercase: function(str) { - return str.toLowerCase() - }, - truncate: function(str, length, truncation) { - //length,新字符串长度,truncation,新字符串的结尾的字段,返回新字符串 - length = length || 30 - truncation = truncation === void(0) ? "..." : truncation - return str.length > length ? str.slice(0, length - truncation.length) + truncation : String(str) - }, - $filter: function(val) { - for (var i = 1, n = arguments.length; i < n; i++) { - var array = arguments[i] - var fn = avalon.filters[array.shift()] - if (typeof fn === "function") { - var arr = [val].concat(array) - val = fn.apply(null, arr) - } } - return val - }, - camelize: camelize, - //https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet - // <a href="javasc
ript:alert('XSS')">chrome</a> - // <a href="data:text/html;base64, PGltZyBzcmM9eCBvbmVycm9yPWFsZXJ0KDEpPg==">chrome</a> - // <a href="jav ascript:alert('XSS');">IE67chrome</a> - // <a href="jav	ascript:alert('XSS');">IE67chrome</a> - // <a href="jav
ascript:alert('XSS');">IE67chrome</a> - sanitize: function(str) { - return str.replace(rscripts, "").replace(ropen, function(a, b) { - var match = a.toLowerCase().match(/<(\w+)\s/) - 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 - var reg = rsanitize[match[1]] - if (reg) { - a = a.replace(reg, function(s, name, value) { - var quote = value.charAt(0) - return name + "=" + quote + "javascript:void(0)" + quote - }) + return s.join(dec) + } + + + var filters = avalon.filters = { + uppercase: function (str) { + return str.toUpperCase() + }, + lowercase: function (str) { + return str.toLowerCase() + }, + truncate: function (str, length, truncation) { + //length,新字符串长度,truncation,新字符串的结尾的字段,返回新字符串 + length = length || 30 + truncation = truncation === void(0) ? "..." : truncation + return str.length > length ? str.slice(0, length - truncation.length) + truncation : String(str) + }, + $filter: function (val) { + for (var i = 1, n = arguments.length; i < n; i++) { + var array = arguments[i] + var fn = avalon.filters[array.shift()] + if (typeof fn === "function") { + var arr = [val].concat(array) + val = fn.apply(null, arr) } } - return a.replace(ron, " ").replace(/\s+/g, " ") //移除onXXX事件 - }) - }, - escape: function(str) { - //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 < - return String(str). + return val + }, + camelize: camelize, + //https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet + // <a href="javasc
ript:alert('XSS')">chrome</a> + // <a href="data:text/html;base64, PGltZyBzcmM9eCBvbmVycm9yPWFsZXJ0KDEpPg==">chrome</a> + // <a href="jav ascript:alert('XSS');">IE67chrome</a> + // <a href="jav	ascript:alert('XSS');">IE67chrome</a> + // <a href="jav
ascript:alert('XSS');">IE67chrome</a> + sanitize: function (str) { + return str.replace(rscripts, "").replace(ropen, function (a, b) { + var match = a.toLowerCase().match(/<(\w+)\s/) + 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 + var reg = rsanitize[match[1]] + if (reg) { + a = a.replace(reg, function (s, name, value) { + var quote = value.charAt(0) + return name + "=" + quote + "javascript:void(0)" + quote// jshint ignore:line + }) + } + } + return a.replace(ron, " ").replace(/\s+/g, " ") //移除onXXX事件 + }) + }, + escape: function (str) { + //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 < + return String(str). replace(/&/g, '&'). - replace(rsurrogate, function(value) { + replace(rsurrogate, function (value) { var hi = value.charCodeAt(0) var low = value.charCodeAt(1) return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';' }). - replace(rnoalphanumeric, function(value) { + replace(rnoalphanumeric, function (value) { return '&#' + value.charCodeAt(0) + ';' }). replace(/</g, '<'). replace(/>/g, '>') - }, - currency: function(amount, symbol, fractionSize) { - return (symbol || "\uFFE5") + numberFormat(amount, isFinite(fractionSize) ? fractionSize: 2) - }, - number: function(number, fractionSize) { - return numberFormat(number, isFinite(fractionSize) ? fractionSize: 3 ) - } -} -/* - 'yyyy': 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010) - 'yy': 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10) - 'y': 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199) - 'MMMM': Month in year (January-December) - 'MMM': Month in year (Jan-Dec) - 'MM': Month in year, padded (01-12) - 'M': Month in year (1-12) - 'dd': Day in month, padded (01-31) - 'd': Day in month (1-31) - 'EEEE': Day in Week,(Sunday-Saturday) - 'EEE': Day in Week, (Sun-Sat) - 'HH': Hour in day, padded (00-23) - 'H': Hour in day (0-23) - 'hh': Hour in am/pm, padded (01-12) - 'h': Hour in am/pm, (1-12) - 'mm': Minute in hour, padded (00-59) - 'm': Minute in hour (0-59) - 'ss': Second in minute, padded (00-59) - 's': Second in minute (0-59) - 'a': am/pm marker - 'Z': 4 digit (+sign) representation of the timezone offset (-1200-+1200) - format string can also be one of the following predefined localizable formats: - - 'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale (e.g. Sep 3, 2010 12:05:08 pm) - 'short': equivalent to 'M/d/yy h:mm a' for en_US locale (e.g. 9/3/10 12:05 pm) - 'fullDate': equivalent to 'EEEE, MMMM d,y' for en_US locale (e.g. Friday, September 3, 2010) - 'longDate': equivalent to 'MMMM d, y' for en_US locale (e.g. September 3, 2010 - 'mediumDate': equivalent to 'MMM d, y' for en_US locale (e.g. Sep 3, 2010) - 'shortDate': equivalent to 'M/d/yy' for en_US locale (e.g. 9/3/10) - 'mediumTime': equivalent to 'h:mm:ss a' for en_US locale (e.g. 12:05:08 pm) - 'shortTime': equivalent to 'h:mm a' for en_US locale (e.g. 12:05 pm) - */ -new function() { - function toInt(str) { - return parseInt(str, 10) - } - - function padNumber(num, digits, trim) { - var neg = "" - if (num < 0) { - neg = '-' - num = -num - } - num = "" + num - while (num.length < digits) - num = "0" + num - if (trim) - num = num.substr(num.length - digits) - return neg + num - } - - function dateGetter(name, size, offset, trim) { - return function(date) { - var value = date["get" + name]() - if (offset > 0 || value > -offset) - value += offset - if (value === 0 && offset === -12) { - value = 12 - } - return padNumber(value, size, trim) - } - } - - function dateStrGetter(name, shortForm) { - return function(date, formats) { - var value = date["get" + name]() - var get = (shortForm ? ("SHORT" + name) : name).toUpperCase() - return formats[get][value] - } - } - - function timeZoneGetter(date) { - var zone = -1 * date.getTimezoneOffset() - var paddedZone = (zone >= 0) ? "+" : "" - paddedZone += padNumber(Math[zone > 0 ? "floor" : "ceil"](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2) - return paddedZone - } - //取得上午下午 - - function ampmGetter(date, formats) { - return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1] - } - var DATE_FORMATS = { - yyyy: dateGetter("FullYear", 4), - yy: dateGetter("FullYear", 2, 0, true), - y: dateGetter("FullYear", 1), - MMMM: dateStrGetter("Month"), - MMM: dateStrGetter("Month", true), - MM: dateGetter("Month", 2, 1), - M: dateGetter("Month", 1, 1), - dd: dateGetter("Date", 2), - d: dateGetter("Date", 1), - HH: dateGetter("Hours", 2), - H: dateGetter("Hours", 1), - hh: dateGetter("Hours", 2, -12), - h: dateGetter("Hours", 1, -12), - mm: dateGetter("Minutes", 2), - m: dateGetter("Minutes", 1), - ss: dateGetter("Seconds", 2), - s: dateGetter("Seconds", 1), - sss: dateGetter("Milliseconds", 3), - EEEE: dateStrGetter("Day"), - EEE: dateStrGetter("Day", true), - a: ampmGetter, - Z: timeZoneGetter - } - var DATE_FORMATS_SPLIT = /((?:[^yMdHhmsaZE']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z))(.*)/, - NUMBER_STRING = /^\d+$/ - var riso8601 = /^(\d{4})-?(\d+)-?(\d+)(?:T(\d+)(?::?(\d+)(?::?(\d+)(?:\.(\d+))?)?)?(Z|([+-])(\d+):?(\d+))?)?$/ - // 1 2 3 4 5 6 7 8 9 10 11 - - function jsonStringToDate(string) { - var match - if (match = string.match(riso8601)) { - var date = new Date(0), - tzHour = 0, - tzMin = 0, - dateSetter = match[8] ? date.setUTCFullYear : date.setFullYear, - timeSetter = match[8] ? date.setUTCHours : date.setHours - if (match[9]) { - tzHour = toInt(match[9] + match[10]) - tzMin = toInt(match[9] + match[11]) - } - dateSetter.call(date, toInt(match[1]), toInt(match[2]) - 1, toInt(match[3])) - var h = toInt(match[4] || 0) - tzHour - var m = toInt(match[5] || 0) - tzMin - var s = toInt(match[6] || 0) - var ms = Math.round(parseFloat('0.' + (match[7] || 0)) * 1000) - timeSetter.call(date, h, m, s, ms) - return date - } - return string - } - var rfixYMD = /^(\d+)\D(\d+)\D(\d+)/ - filters.date = function(date, format) { - var locate = filters.date.locate, + }, + currency: function (amount, symbol, fractionSize) { + return (symbol || "\uFFE5") + numberFormat(amount, isFinite(fractionSize) ? fractionSize : 2) + }, + number: numberFormat + } + /* + 'yyyy': 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010) + 'yy': 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10) + 'y': 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199) + 'MMMM': Month in year (January-December) + 'MMM': Month in year (Jan-Dec) + 'MM': Month in year, padded (01-12) + 'M': Month in year (1-12) + 'dd': Day in month, padded (01-31) + 'd': Day in month (1-31) + 'EEEE': Day in Week,(Sunday-Saturday) + 'EEE': Day in Week, (Sun-Sat) + 'HH': Hour in day, padded (00-23) + 'H': Hour in day (0-23) + 'hh': Hour in am/pm, padded (01-12) + 'h': Hour in am/pm, (1-12) + 'mm': Minute in hour, padded (00-59) + 'm': Minute in hour (0-59) + 'ss': Second in minute, padded (00-59) + 's': Second in minute (0-59) + 'a': am/pm marker + 'Z': 4 digit (+sign) representation of the timezone offset (-1200-+1200) + format string can also be one of the following predefined localizable formats: + + 'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale (e.g. Sep 3, 2010 12:05:08 pm) + 'short': equivalent to 'M/d/yy h:mm a' for en_US locale (e.g. 9/3/10 12:05 pm) + 'fullDate': equivalent to 'EEEE, MMMM d,y' for en_US locale (e.g. Friday, September 3, 2010) + 'longDate': equivalent to 'MMMM d, y' for en_US locale (e.g. September 3, 2010 + 'mediumDate': equivalent to 'MMM d, y' for en_US locale (e.g. Sep 3, 2010) + 'shortDate': equivalent to 'M/d/yy' for en_US locale (e.g. 9/3/10) + 'mediumTime': equivalent to 'h:mm:ss a' for en_US locale (e.g. 12:05:08 pm) + 'shortTime': equivalent to 'h:mm a' for en_US locale (e.g. 12:05 pm) + */ + new function () {// jshint ignore:line + function toInt(str) { + return parseInt(str, 10) || 0 + } + + function padNumber(num, digits, trim) { + var neg = "" + if (num < 0) { + neg = '-' + num = -num + } + num = "" + num + while (num.length < digits) + num = "0" + num + if (trim) + num = num.substr(num.length - digits) + return neg + num + } + + function dateGetter(name, size, offset, trim) { + return function (date) { + var value = date["get" + name]() + if (offset > 0 || value > -offset) + value += offset + if (value === 0 && offset === -12) { + value = 12 + } + return padNumber(value, size, trim) + } + } + + function dateStrGetter(name, shortForm) { + return function (date, formats) { + var value = date["get" + name]() + var get = (shortForm ? ("SHORT" + name) : name).toUpperCase() + return formats[get][value] + } + } + + function timeZoneGetter(date) { + var zone = -1 * date.getTimezoneOffset() + var paddedZone = (zone >= 0) ? "+" : "" + paddedZone += padNumber(Math[zone > 0 ? "floor" : "ceil"](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2) + return paddedZone + } + + //取得上午下午 + + function ampmGetter(date, formats) { + return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1] + } + + var DATE_FORMATS = { + yyyy: dateGetter("FullYear", 4), + yy: dateGetter("FullYear", 2, 0, true), + y: dateGetter("FullYear", 1), + MMMM: dateStrGetter("Month"), + MMM: dateStrGetter("Month", true), + MM: dateGetter("Month", 2, 1), + M: dateGetter("Month", 1, 1), + dd: dateGetter("Date", 2), + d: dateGetter("Date", 1), + HH: dateGetter("Hours", 2), + H: dateGetter("Hours", 1), + hh: dateGetter("Hours", 2, -12), + h: dateGetter("Hours", 1, -12), + mm: dateGetter("Minutes", 2), + m: dateGetter("Minutes", 1), + ss: dateGetter("Seconds", 2), + s: dateGetter("Seconds", 1), + sss: dateGetter("Milliseconds", 3), + EEEE: dateStrGetter("Day"), + EEE: dateStrGetter("Day", true), + a: ampmGetter, + Z: timeZoneGetter + } + var rdateFormat = /((?:[^yMdHhmsaZE']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z))(.*)/ + var raspnetjson = /^\/Date\((\d+)\)\/$/ + filters.date = function (date, format) { + var locate = filters.date.locate, text = "", parts = [], fn, match - format = format || "mediumDate" - format = locate[format] || format - if (typeof date === "string") { - if (NUMBER_STRING.test(date)) { - date = toInt(date) - } else { - var trimDate = date.trim() - date = trimDate.replace(rfixYMD, function(a, b, c, d) { - var array = d.length === 4 ? [d, b, c] : [b, c, d] - return array.join("-") - }) - date = jsonStringToDate(date) + format = format || "mediumDate" + format = locate[format] || format + if (typeof date === "string") { + if (/^\d+$/.test(date)) { + date = toInt(date) + } else if (raspnetjson.test(date)) { + date = +RegExp.$1 + } else { + var trimDate = date.trim() + var dateArray = [0, 0, 0, 0, 0, 0, 0] + var oDate = new Date(0) + //取得年月日 + trimDate = trimDate.replace(/^(\d+)\D(\d+)\D(\d+)/, function (_, a, b, c) { + var array = c.length === 4 ? [c, a, b] : [a, b, c] + dateArray[0] = toInt(array[0]) //年 + dateArray[1] = toInt(array[1]) - 1 //月 + dateArray[2] = toInt(array[2]) //日 + return "" + }) + var dateSetter = oDate.setFullYear + var timeSetter = oDate.setHours + trimDate = trimDate.replace(/[T\s](\d+):(\d+):?(\d+)?\.?(\d)?/, function (_, a, b, c, d) { + dateArray[3] = toInt(a) //小时 + dateArray[4] = toInt(b) //分钟 + dateArray[5] = toInt(c) //秒 + if (d) { //毫秒 + dateArray[6] = Math.round(parseFloat("0." + d) * 1000) + } + return "" + }) + var tzHour = 0 + var tzMin = 0 + trimDate = trimDate.replace(/Z|([+-])(\d\d):?(\d\d)/, function (z, symbol, c, d) { + dateSetter = oDate.setUTCFullYear + timeSetter = oDate.setUTCHours + if (symbol) { + tzHour = toInt(symbol + c) + tzMin = toInt(symbol + d) + } + return "" + }) + + dateArray[3] -= tzHour + dateArray[4] -= tzMin + dateSetter.apply(oDate, dateArray.slice(0, 3)) + timeSetter.apply(oDate, dateArray.slice(3)) + date = oDate + } } - date = new Date(date) - } - if (typeof date === "number") { - date = new Date(date) - } - if (avalon.type(date) !== "date") { - return - } - while (format) { - match = DATE_FORMATS_SPLIT.exec(format) - if (match) { - parts = parts.concat(match.slice(1)) - format = parts.pop() - } else { - parts.push(format) - format = null + if (typeof date === "number") { + date = new Date(date) + } + if (avalon.type(date) !== "date") { + return } + while (format) { + match = rdateFormat.exec(format) + if (match) { + parts = parts.concat(match.slice(1)) + format = parts.pop() + } else { + parts.push(format) + format = null + } + } + parts.forEach(function (value) { + fn = DATE_FORMATS[value] + text += fn ? fn(date, locate) : value.replace(/(^'|'$)/g, "").replace(/''/g, "'") + }) + return text } - parts.forEach(function(value) { - fn = DATE_FORMATS[value] - text += fn ? fn(date, locate) : value.replace(/(^'|'$)/g, "").replace(/''/g, "'") - }) - return text - } - var locate = { - AMPMS: { - 0: "上午", - 1: "下午" - }, - DAY: { - 0: "星期日", - 1: "星期一", - 2: "星期二", - 3: "星期三", - 4: "星期四", - 5: "星期五", - 6: "星期六" - }, - MONTH: { - 0: "1月", - 1: "2月", - 2: "3月", - 3: "4月", - 4: "5月", - 5: "6月", - 6: "7月", - 7: "8月", - 8: "9月", - 9: "10月", - 10: "11月", - 11: "12月" - }, - SHORTDAY: { - "0": "周日", - "1": "周一", - "2": "周二", - "3": "周三", - "4": "周四", - "5": "周五", - "6": "周六" + var locate = { + AMPMS: { + 0: "上午", + 1: "下午" + }, + DAY: { + 0: "星期日", + 1: "星期一", + 2: "星期二", + 3: "星期三", + 4: "星期四", + 5: "星期五", + 6: "星期六" + }, + MONTH: { + 0: "1月", + 1: "2月", + 2: "3月", + 3: "4月", + 4: "5月", + 5: "6月", + 6: "7月", + 7: "8月", + 8: "9月", + 9: "10月", + 10: "11月", + 11: "12月" + }, + SHORTDAY: { + "0": "周日", + "1": "周一", + "2": "周二", + "3": "周三", + "4": "周四", + "5": "周五", + "6": "周六" + }, + fullDate: "y年M月d日EEEE", + longDate: "y年M月d日", + medium: "yyyy-M-d H:mm:ss", + mediumDate: "yyyy-M-d", + mediumTime: "H:mm:ss", + "short": "yy-M-d ah:mm", + shortDate: "yy-M-d", + shortTime: "ah:mm" + } + locate.SHORTMONTH = locate.MONTH + filters.date.locate = locate + }// jshint ignore:line + /********************************************************************* + * AMD加载器 * + **********************************************************************/ +//https://www.devbridge.com/articles/understanding-amd-requirejs/ +//http://maxogden.com/nested-dependencies.html + var modules = avalon.modules = { + "domReady!": { + exports: avalon, + state: 3 }, - fullDate: "y年M月d日EEEE", - longDate: "y年M月d日", - medium: "yyyy-M-d H:mm:ss", - mediumDate: "yyyy-M-d", - mediumTime: "H:mm:ss", - "short": "yy-M-d ah:mm", - shortDate: "yy-M-d", - shortTime: "ah:mm" - } - locate.SHORTMONTH = locate.MONTH - filters.date.locate = locate -} -/********************************************************************* - * AMD加载器 * - **********************************************************************/ -var modules = avalon.modules = { - "ready!": { - exports: avalon - }, - "avalon": { - exports: avalon, - state: 2 - } -} - -new function() { - var loadings = [] //正在加载中的模块列表 - var factorys = [] //储存需要绑定ID与factory对应关系的模块(标准浏览器下,先parse的script节点会先onload) - var basepath - - function trimHashAndQuery(url) { - return (url || "").replace(/[?#].*/, "") - } - - var cur = getCurrentScript(true) //求得当前avalon.js 所在的JS文件的路径 - if (!cur) { //处理window safari的Error没有stack的问题 - cur = avalon.slice(DOC.scripts).pop().src - } - var url = trimHashAndQuery(cur) - basepath = kernel.base = url.slice(0, url.lastIndexOf("/") + 1) - - function getCurrentScript(base) { - // 参考 https://github.com/samyk/jiagra/blob/master/jiagra.js - var stack - try { - a.b.c() //强制报错,以便捕获e.stack - } catch (e) { //safari的错误对象只有line,sourceId,sourceURL - stack = e.stack - if (!stack && window.opera) { - //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 - stack = (String(e).match(/of linked script \S+/g) || []).join(" ") - } - } - if (stack) { - /**e.stack最后一行在所有支持的浏览器大致如下: - *chrome23: - * at http://113.93.50.63/data.js:4:1 - *firefox17: - *@http://113.93.50.63/query.js:4 - *opera12:http://www.oldapps.com/opera.php?system=Windows_XP - *@http://113.93.50.63/data.js:4 - *IE10: - * at Global code (http://113.93.50.63/data.js:4:1) - * //firefox4+ 可以用document.currentScript - */ - stack = stack.split(/[@ ]/g).pop() //取得最后一行,最后一个空格或@之后的部分 - stack = stack[0] === "(" ? stack.slice(1, -1) : stack.replace(/\s/, "") //去掉换行符 - return stack.replace(/(:\d+)?:\d+$/i, "") //去掉行号与或许存在的出错字符起始位置 - } - var nodes = (base ? DOC : head).getElementsByTagName("script") //只在head标签中寻找 - for (var i = nodes.length, node; node = nodes[--i]; ) { - if ((base || node.className === subscribers) && node.readyState === "interactive") { - return node.className = node.src - } - } - } - - innerRequire = avalon.require = function(array, factory, parent) { - if (!Array.isArray(array)) { - avalon.error("require的第一个参数必须是依赖列数,类型为数组 " + array) - } - var args = [] // 放置所有依赖项的完整路径 - var deps = {} // args的另一种表现形式,为的是方便去重 - var dn = 0 //需要安装的模块数 - var cn = 0 // 已安装完的模块数 - var id = parent || "callback" + setTimeout("1") - parent = parent || basepath - - array.forEach(function(el) { - var url = loadResources(el, parent) //加载资源,并返回能加载资源的完整路径 - if (url) { - dn++ - if (modules[url] && modules[url].state === 2) { - cn++ + "avalon": { + exports: avalon, + state: 4 + } + } +//Object(modules[id]).state拥有如下值 +// undefined 没有定义 +// 1(send) 已经发出请求 +// 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 +// 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 +// 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 + modules.exports = modules.avalon + + new function () {// jshint ignore:line + var loadings = [] //正在加载中的模块列表 + var factorys = [] //放置define方法的factory函数 + var rjsext = /\.js$/i + + function makeRequest(name, config) { +//1. 去掉资源前缀 + var res = "js" + name = name.replace(/^(\w+)\!/, function (a, b) { + res = b + return "" + }) + if (res === "ready") { + log("debug: ready!已经被废弃,请使用domReady!") + res = "domReady" + } +//2. 去掉querystring, hash + var query = "" + name = name.replace(rquery, function (a) { + query = a + return "" + }) + //3. 去掉扩展名 + var suffix = "." + res + var ext = /js|css/.test(suffix) ? suffix : "" + name = name.replace(/\.[a-z0-9]+$/g, function (a) { + if (a === suffix) { + ext = a + return "" + } else { + return a + } + }) + var req = avalon.mix({ + query: query, + ext: ext, + res: res, + name: name, + toUrl: toUrl + }, config) + req.toUrl(name) + return req + } + + function fireRequest(req) { + var name = req.name + var res = req.res + //1. 如果该模块已经发出请求,直接返回 + var module = modules[name] + var urlNoQuery = name && req.urlNoQuery + if (module && module.state >= 1) { + return name + } + module = modules[urlNoQuery] + if (module && module.state >= 3) { + innerRequire(module.deps || [], module.factory, urlNoQuery) + return urlNoQuery + } + if (name && !module) { + module = modules[urlNoQuery] = { + id: urlNoQuery, + state: 1 //send + } + var wrap = function (obj) { + resources[res] = obj + obj.load(name, req, function (a) { + if (arguments.length && a !== void 0) { + module.exports = a + } + module.state = 4 + checkDeps() + }) } - if (!deps[url]) { - args.push(url) - deps[url] = "司徒正美" //去重 + + if (!resources[res]) { + innerRequire([res], wrap) + } else { + wrap(resources[res]) } } - }) - modules[id] = {//保存此模块的相关信息 - id: id, - factory: factory, - deps: deps, - args: args, - state: 1 - } - if (dn === cn) { //如果需要安装的等于已安装好的 - fireFactory(id, args, factory) //安装到框架中 - } else { - //放到检测列队中,等待checkDeps处理 - loadings.unshift(id) - } - checkDeps() - } + return name ? urlNoQuery : res + "!" + } + +//核心API之一 require + var requireQueue = [] + var isUserFirstRequire = false + innerRequire = avalon.require = function (array, factory, parentUrl, defineConfig) { + if (!isUserFirstRequire) { + requireQueue.push(avalon.slice(arguments)) + if (arguments.length <= 2) { + isUserFirstRequire = true + var queue = requireQueue.splice(0, requireQueue.length), args + while (args = queue.shift()) { + innerRequire.apply(null, args) + } + } + return + } - innerRequire.define = function(urlOrId, deps, factory) { //模块名,依赖列表,模块本身 - var args = aslice.call(arguments) - if (typeof urlOrId === "string") { - var id = args.shift() - } - if (typeof args[0] === "function") { - args.unshift([]) - } - //上线合并后能直接得到模块ID,否则寻找当前正在解析中的script节点的src作为模块ID - //现在除了safari5,1-外,我们都能直接通过getCurrentScript一步到位得到当前执行的script节点, - //safari可通过onload+delay闭包组合解决 - var url = modules[id] && modules[id].state >= 1 ? id : trimHashAndQuery(getCurrentScript()) - if (!modules[url] && id) { - modules[url] = { - id: url, - factory: factory, - state: 1 + if (!Array.isArray(array)) { + avalon.error("require方法的第一个参数应为数组 " + array) } - } - factory = args[1] - factory.id = id //用于调试 - factory.delay = function(d) { - args.push(d) - var isCycle = true - try { - isCycle = checkCycle(modules[d].deps, d) - } catch (e) { + var deps = [] // 放置所有依赖项的完整路径 + var uniq = createMap() + var id = parentUrl || "callback" + setTimeout("1")// jshint ignore:line + defineConfig = defineConfig || createMap() + defineConfig.baseUrl = kernel.baseUrl + var isBuilt = !!defineConfig.built + if (parentUrl) { + defineConfig.parentUrl = parentUrl.substr(0, parentUrl.lastIndexOf("/")) + defineConfig.mapUrl = parentUrl.replace(rjsext, "") } - if (isCycle) { - avalon.error(d + "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" + d + "模块") + if (isBuilt) { + var req = makeRequest(defineConfig.defineName, defineConfig) + id = req.urlNoQuery + } else { + array.forEach(function (name) { + var req = makeRequest(name, defineConfig) + var url = fireRequest(req) //加载资源,并返回该资源的完整地址 + if (url) { + if (!uniq[url]) { + deps.push(url) + uniq[url] = "司徒正美" //去重 + } + } + }) } - delete factory.delay //释放内存 - innerRequire.apply(null, args) //0,1,2 --> 1,2,0 - } - if (url) { - factory.delay(url) - } else { //先进先出 - factorys.push(factory) - } - } - innerRequire.define.amd = modules - function checkCycle(deps, nick) { - //检测是否存在循环依赖 - for (var id in deps) { - if (deps[id] === "司徒正美" && modules[id].state !== 2 && (id === nick || checkCycle(modules[id].deps, nick))) { - return true + var module = modules[id] + if (!module || module.state !== 4) { + modules[id] = { + id: id, + deps: isBuilt ? array.concat() : deps, + factory: factory || noop, + state: 3 + } } + if (!module) { + //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 + loadings.push(id) + } + checkDeps() } - } - - function checkDeps() { - //检测此JS模块的依赖是否都已安装完毕,是则安装自身 - loop: for (var i = loadings.length, id; id = loadings[--i]; ) { - var obj = modules[id], - deps = obj.deps - for (var key in deps) { - if (ohasOwn.call(deps, key) && modules[key].state !== 2) { - continue loop +//核心API之二 require + innerRequire.define = function (name, deps, factory) { //模块名,依赖列表,模块本身 + if (typeof name !== "string") { + factory = deps + deps = name + name = "anonymous" + } + if (!Array.isArray(deps)) { + factory = deps + deps = [] + } + var config = { + built: !isUserFirstRequire, //用r.js打包后,所有define会放到requirejs之前 + defineName: name + } + var args = [deps, factory, config] + factory.require = function (url) { + args.splice(2, 0, url) + if (modules[url]) { + modules[url].state = 3 //loaded + var isCycle = false + try { + isCycle = checkCycle(modules[url].deps, url) + } catch (e) { + } + if (isCycle) { + 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") + } } + delete factory.require //释放内存 + innerRequire.apply(null, args) //0,1,2 --> 1,2,0 } - //如果deps是空对象或者其依赖的模块的状态都是2 - if (obj.state !== 2) { - 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 - fireFactory(obj.id, obj.args, obj.factory) - 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 +//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。 +//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。 +//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, +//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。 +//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 +//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 +//亦即,先进入loading阶段的script标签(模块)必然会先进入loaded阶段 + var url = config.built ? "unknown" : getCurrentScript() + if (url) { + var module = modules[url] + if (module) { + module.state = 2 + } + factory.require(url) + } else {//合并前后的safari,合并后的IE6-9走此分支 + factorys.push(factory) } } - } - - function checkFail(node, onError, fuckIE) { - var id = trimHashAndQuery(node.src) //检测是否死链 - node.onload = node.onreadystatechange = node.onerror = null - if (onError || (fuckIE && !modules[id].state)) { - setTimeout(function() { - head.removeChild(node) - node = null // 处理旧式IE下的循环引用问题 - }) - log("debug: 加载 " + id + " 失败" + onError + " " + (!modules[id].state)) - } else { - return true - } - } - var rdeuce = /\/\w+\/\.\./ +//核心API之三 require.config(settings) + innerRequire.config = kernel + //核心API之四 define.amd 标识其符合AMD规范 + innerRequire.define.amd = modules + + //==========================对用户配置项进行再加工========================== + var allpaths = kernel["orig.paths"] = createMap() + var allmaps = kernel["orig.map"] = createMap() + var allpackages = kernel["packages"] = [] + var allargs = kernel["orig.args"] = createMap() + avalon.mix(plugins, { + paths: function (hash) { + avalon.mix(allpaths, hash) + kernel.paths = makeIndexArray(allpaths) + }, + map: function (hash) { + avalon.mix(allmaps, hash) + var list = makeIndexArray(allmaps, 1, 1) + avalon.each(list, function (_, item) { + item.val = makeIndexArray(item.val) + }) + kernel.map = list + }, + packages: function (array) { + array = array.concat(allpackages) + var uniq = createMap() + var ret = [] + for (var i = 0, pkg; pkg = array[i++];) { + pkg = typeof pkg === "string" ? {name: pkg} : pkg + var name = pkg.name + if (!uniq[name]) { + var url = joinPath(pkg.location || name, pkg.main || "main") + url = url.replace(rjsext, "") + ret.push(pkg) + uniq[name] = pkg.location = url + pkg.reg = makeMatcher(name) + } + } + kernel.packages = ret.sort() + }, + urlArgs: function (hash) { + if (typeof hash === "string") { + hash = {"*": hash} + } + avalon.mix(allargs, hash) + kernel.urlArgs = makeIndexArray(allargs, 1) + }, + baseUrl: function (url) { + if (!isAbsUrl(url)) { + var baseElement = head.getElementsByTagName("base")[0] + if (baseElement) { + head.removeChild(baseElement) + } + var node = DOC.createElement("a") + node.href = url + url = node.href + if (baseElement) { + head.insertBefore(baseElement, head.firstChild) + } + } + if (url.length > 3) + kernel.baseUrl = url + }, + shim: function (obj) { + for (var i in obj) { + var value = obj[i] + if (Array.isArray(value)) { + value = obj[i] = { + deps: value + } + } + if (!value.exportsFn && (value.exports || value.init)) { + value.exportsFn = makeExports(value) + } + } + kernel.shim = obj + } - function loadResources(url, parent, ret, shim) { - //1. 特别处理mass|ready标识符 - if (url === "ready!" || (modules[url] && modules[url].state === 2)) { - return url - } - //2. 处理text! css! 等资源 - var plugin - url = url.replace(/^\w+!/, function(a) { - plugin = a.slice(0, -1) - return "" }) - plugin = plugin || "js" - plugin = plugins[plugin] || noop - //3. 转化为完整路径 - if (typeof kernel.shim[url] === "object") { - shim = kernel.shim[url] - } - url = url.split('/'); - //For each module name segment, see if there is a path - //registered for it. Start with most specific name - //and work up from it. - for (var i = url.length, parentModule, parentPath; i > 0; i -= 1) { - parentModule = url.slice(0, i).join('/'); - - parentPath = kernel.paths[parentModule]; - if (parentPath) { - //If an array, it means there are a few choices, - //Choose the one that is desired - if (Array.isArray(parentPath)) { - parentPath = parentPath[0]; + + + //==============================内部方法================================= + function checkCycle(deps, nick) { + //检测是否存在循环依赖 + for (var i = 0, id; id = deps[i++];) { + if (modules[id].state !== 4 && + (id === nick || checkCycle(modules[id].deps, nick))) { + return true } - url.splice(0, i, parentPath); - break; } } - //Join the path parts together, then figure out if baseUrl is needed. - url = url.join('/'); - //4. 补全路径 - if (/^(\w+)(\d)?:.*/.test(url)) { - ret = url - } else { - parent = parent.substr(0, parent.lastIndexOf("/")) - var tmp = url.charAt(0) - if (tmp !== "." && tmp !== "/") { //相对于根路径 - ret = basepath + url - } else if (url.slice(0, 2) === "./") { //相对于兄弟路径 - ret = parent + url.slice(1) - } else if (url.slice(0, 2) === "..") { //相对于父路径 - ret = parent + "/" + url - while (rdeuce.test(ret)) { - ret = ret.replace(rdeuce, "") - } - } else if (tmp === "/") { - ret = url //相对于根路径 + function checkFail(node, onError) { + var id = trimQuery(node.src) //检测是否死链 + node.onload = node.onerror = null + if (onError) { + setTimeout(function () { + head.removeChild(node) + node = null // 处理旧式IE下的循环引用问题 + }) + log("debug: 加载 " + id + " 失败" + onError + " " + (!modules[id].state)) } else { - avalon.error("不符合模块标识规则: " + url) + return true } } - //5. 补全扩展名 - url = trimHashAndQuery(ret) - var ext = plugin.ext - if (ext) { - if (url.slice(0 - ext.length) !== ext) { - ret += ext + + function checkDeps() { + //检测此JS模块的依赖是否都已安装完毕,是则安装自身 + loop: for (var i = loadings.length, id; id = loadings[--i];) { + var obj = modules[id], + deps = obj.deps + if (!deps) + continue + for (var j = 0, key; key = deps[j]; j++) { + if (Object(modules[key]).state !== 4) { + continue loop + } + } + //如果deps是空对象或者其依赖的模块的状态都是2 + if (obj.state !== 4) { + 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 + fireFactory(obj.id, obj.deps, obj.factory) + 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 + } } } - //6. 缓存处理 - if (kernel.nocache) { - ret += (ret.indexOf("?") === -1 ? "?" : "&") + (new Date - 0) - } - return plugin(ret, shim) - } - function loadJS(url, id, callback) { - //通过script节点加载目标模块 - var node = DOC.createElement("script") - node.className = subscribers //让getCurrentScript只处理类名为subscribers的script节点 - node[W3C ? "onload" : "onreadystatechange"] = function() { - if (W3C || /loaded|complete/i.test(node.readyState)) { - //mass Framework会在_checkFail把它上面的回调清掉,尽可能释放回存,尽管DOM0事件写法在IE6下GC无望 + function loadJS(url, id, callback) { + //通过script节点加载目标模块 + var node = DOC.createElement("script") + node.className = subscribers //让getCurrentScript只处理类名为subscribers的script节点 + node.onload = function () { var factory = factorys.pop() - factory && factory.delay(id) + factory && factory.require(id) if (callback) { callback() } - if (checkFail(node, false, !W3C)) { + log("debug: 已成功加载 " + url) + id && loadings.push(id) + checkDeps() + } + node.onerror = function () { + checkFail(node, true) + } + + head.insertBefore(node, head.firstChild) //chrome下第二个参数不能为null + 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 + 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 + } + + var resources = innerRequire.plugins = { + //三大常用资源插件 js!, css!, text!, ready! + ready: { + load: noop + }, + js: { + load: function (name, req, onLoad) { + var url = req.url + var id = req.urlNoQuery + var shim = kernel.shim[name.replace(rjsext, "")] + if (shim) { //shim机制 + innerRequire(shim.deps || [], function () { + var args = avalon.slice(arguments) + loadJS(url, id, function () { + onLoad(shim.exportsFn ? shim.exportsFn.apply(0, args) : void 0) + }) + }) + } else { + loadJS(url, id) + } + } + }, + css: { + load: function (name, req, onLoad) { + var url = req.url + head.insertAdjacentHTML("afterBegin", '<link rel="stylesheet" href="' + url + '">') log("debug: 已成功加载 " + url) + onLoad() + } + }, + text: { + load: function (name, req, onLoad) { + var url = req.url + var xhr = getXHR() + xhr.onload = function () { + var status = xhr.status; + if (status > 399 && status < 600) { + avalon.error(url + " 对应资源不存在或没有开启 CORS") + } else { + log("debug: 已成功加载 " + url) + onLoad(xhr.responseText) + } + } + xhr.open("GET", url, true) + if ("withCredentials" in xhr) {//这是处理跨域 + xhr.withCredentials = true + } + xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest")//告诉后端这是AJAX请求 + xhr.send() + log("debug: 正准备加载 " + url) } } } - node.onerror = function() { - checkFail(node, true) + innerRequire.checkDeps = checkDeps + + var rquery = /(\?[^#]*)$/ + + function trimQuery(url) { + return (url || "").replace(rquery, "") } - node.src = url //插入到head的第一个节点前,防止IE6下head标签没闭合前使用appendChild抛错 - head.insertBefore(node, head.firstChild) //chrome下第二个参数不能为null - log("debug: 正准备加载 " + url) //更重要的是IE6下可以收窄getCurrentScript的寻找范围 - } - function fireFactory(id, deps, factory) { - for (var i = 0, array = [], d; d = deps[i++]; ) { - array.push(modules[d].exports) + function isAbsUrl(path) { + //http://stackoverflow.com/questions/10687099/how-to-test-if-a-url-string-is-absolute-or-relative + return /^(?:[a-z]+:)?\/\//i.test(String(path)) } - var module = Object(modules[id]), - ret = factory.apply(window, array) - module.state = 2 - if (ret !== void 0) { - modules[id].exports = ret + + + function getCurrentScript() { + // inspireb by https://github.com/samyk/jiagra/blob/master/jiagra.js + var stack + try { + a.b.c() //强制报错,以便捕获e.stack + } catch (e) { //safari5的sourceURL,firefox的fileName,它们的效果与e.stack不一样 + stack = e.stack + } + if (stack) { + /**e.stack最后一行在所有支持的浏览器大致如下: + *chrome23: + * at http://113.93.50.63/data.js:4:1 + *firefox17: + *@http://113.93.50.63/query.js:4 + *opera12:http://www.oldapps.com/opera.php?system=Windows_XP + *@http://113.93.50.63/data.js:4 + *IE10: + * at Global code (http://113.93.50.63/data.js:4:1) + * //firefox4+ 可以用document.currentScript + */ + stack = stack.split(/[@ ]/g).pop() //取得最后一行,最后一个空格或@之后的部分 + stack = stack[0] === "(" ? stack.slice(1, -1) : stack.replace(/\s/, "") //去掉换行符 + return trimQuery(stack.replace(/(:\d+)?:\d+$/i, "")) //去掉行号与或许存在的出错字符起始位置 + } + var nodes = head.getElementsByTagName("script") //只在head标签中寻找 + for (var i = nodes.length, node; node = nodes[--i];) { + if (node.className === subscribers && node.readyState === "interactive") { + var url = node.src + return node.className = trimQuery(url) + } + } } - return ret - } - plugins.js = function(url, shim) { - var id = trimHashAndQuery(url) - if (!modules[id]) { //如果之前没有加载过 - modules[id] = { - id: id, - exports: {} - } - if (shim) { //shim机制 - innerRequire(shim.deps || "", function() { - loadJS(url, id, function() { - modules[id].state = 2 - var s = shim.exports - if (s && modules[id].exports === void 0) { - modules[id].exports = typeof s === "function" ? - s() : window[s] - } - innerRequire.checkDeps() + var rcallback = /^callback\d+$/ + + function fireFactory(id, deps, factory) { + var module = Object(modules[id]) + module.state = 4 + for (var i = 0, array = [], d; d = deps[i++];) { + if (d === "exports") { + var obj = module.exports || (module.exports = createMap()) + array.push(obj) + } else { + array.push(modules[d].exports) + } + } + try { + var ret = factory.apply(window, array) + } catch (e) { + log("执行[" + id + "]模块的factory抛错: " + e) + } + if (ret !== void 0) { + module.exports = ret + } + if (rcallback.test(id)) { + delete modules[id] + } + delete module.factory + return ret + } + + function toUrl(id) { + if (id.indexOf(this.res + "!") === 0) { + id = id.slice(this.res.length + 1) //处理define("css!style",[], function(){})的情况 + } + var url = id + //1. 是否命中paths配置项 + var usePath = 0 + var baseUrl = this.baseUrl + var rootUrl = this.parentUrl || baseUrl + eachIndexArray(id, kernel.paths, function (value, key) { + url = url.replace(key, value) + usePath = 1 + }) + //2. 是否命中packages配置项 + if (!usePath) { + eachIndexArray(id, kernel.packages, function (value, key, item) { + url = url.replace(item.name, item.location) + }) + } + //3. 是否命中map配置项 + if (this.mapUrl) { + eachIndexArray(this.mapUrl, kernel.map, function (array) { + eachIndexArray(url, array, function (mdValue, mdKey) { + url = url.replace(mdKey, mdValue) + rootUrl = baseUrl }) }) - } else { - loadJS(url, id) } + var ext = this.ext + if (ext && usePath && url.slice(-ext.length) === ext) { + url = url.slice(0, -ext.length) + } + //4. 转换为绝对路径 + if (!isAbsUrl(url)) { + rootUrl = this.built || /^\w/.test(url) ? baseUrl : rootUrl + url = joinPath(rootUrl, url) + } + //5. 还原扩展名,query + var urlNoQuery = url + ext + url = urlNoQuery + this.query + //6. 处理urlArgs + eachIndexArray(id, kernel.urlArgs, function (value) { + url += (url.indexOf("?") === -1 ? "?" : "&") + value; + }) + this.url = url + return this.urlNoQuery = urlNoQuery } - return id - } - plugins.css = function(url) { - var id = trimHashAndQuery(url).replace(/\W/g, "_") ////用于处理掉href中的hash与所有特殊符号 - if (!DOC.getElementById(id)) { - var node = DOC.createElement("link") - node.rel = "stylesheet" - node.href = url - node.id = id - head.insertBefore(node, head.firstChild) + + function makeIndexArray(hash, useStar, part) { + //创建一个经过特殊算法排好序的数组 + var index = hash2array(hash, useStar, part) + index.sort(descSorterByName) + return index } - } - plugins.css.ext = ".css" - plugins.js.ext = ".js" - plugins.text = function(url) { - var xhr = getXHR() - var id = trimHashAndQuery(url) - modules[id] = {} - xhr.onreadystatechange = function() { - if (xhr.readyState === 4) { - var status = xhr.status; - if (status > 399 && status < 600) { - avalon.error(url + " 对应资源不存在或没有开启 CORS") - } else { - modules[id].state = 2 - modules[id].exports = xhr.responseText - innerRequire.checkDeps() + function makeMatcher(prefix) { + return new RegExp('^' + prefix + '(/|$)') + } + + function makeExports(value) { + return function () { + var ret + if (value.init) { + ret = value.init.apply(window, arguments) } + return ret || (value.exports && getGlobal(value.exports)) } } - xhr.open("GET", url, true) - if ("withCredentials" in xhr) { - xhr.withCredentials = true + + + function hash2array(hash, useStar, part) { + var array = []; + for (var key in hash) { + // if (hash.hasOwnProperty(key)) {//hash是由createMap创建没有hasOwnProperty + var item = { + name: key, + val: hash[key] + } + array.push(item) + item.reg = key === "*" && useStar ? /^/ : makeMatcher(key) + if (part && key !== "*") { + item.reg = new RegExp('\/' + key.replace(/^\//, "") + '(/|$)') + } + // } + } + return array + } + + function eachIndexArray(moduleID, array, matcher) { + array = array || [] + for (var i = 0, el; el = array[i++];) { + if (el.reg.test(moduleID)) { + matcher(el.val, el.name, el) + return false + } + } + } + + // 根据元素的name项进行数组字符数逆序的排序函数 + function descSorterByName(a, b) { + var aaa = a.name + var bbb = b.name + if (bbb === "*") { + return -1 + } + if (aaa === "*") { + return 1 + } + return bbb.length - aaa.length + } + + var rdeuce = /\/\w+\/\.\./ + + function joinPath(a, b) { + if (a.charAt(a.length - 1) !== "/") { + a += "/" + } + if (b.slice(0, 2) === "./") { //相对于兄弟路径 + return a + b.slice(2) + } + if (b.slice(0, 2) === "..") { //相对于父路径 + a += b + while (rdeuce.test(a)) { + a = a.replace(rdeuce, "") + } + return a + } + if (b.slice(0, 1) === "/") { + return a + b.slice(1) + } + return a + b + } + + function getGlobal(value) { + if (!value) { + return value + } + var g = window + value.split(".").forEach(function (part) { + g = g[part] + }) + return g + } + + var mainNode = DOC.scripts[DOC.scripts.length - 1] + var dataMain = mainNode.getAttribute("data-main") + if (dataMain) { + plugins.baseUrl(dataMain) + var href = kernel.baseUrl + kernel.baseUrl = href.slice(0, href.lastIndexOf("/") + 1) + loadJS(href.replace(rjsext, "") + ".js") + } else { + var loaderUrl = trimQuery(mainNode.src) + kernel.baseUrl = loaderUrl.slice(0, loaderUrl.lastIndexOf("/") + 1) + } + }// jshint ignore:line + + /********************************************************************* + * DOMReady * + **********************************************************************/ + var readyList = [], isReady + var fireReady = function (fn) { + isReady = true + if (innerRequire) { + modules["domReady!"].state = 4 + innerRequire.checkDeps() + } + while (fn = readyList.shift()) { + fn(avalon) } - xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest") - xhr.send() - return id } - innerRequire.config = kernel - innerRequire.checkDeps = checkDeps -} -/********************************************************************* - * DOMReady * - **********************************************************************/ -var readyList = [] -function fireReady() { - if (innerRequire) { - modules["ready!"].state = 2 - innerRequire.checkDeps()//隋性函数,防止IE9二次调用_checkDeps + if (DOC.readyState === "complete") { + setTimeout(fireReady) //如果在domReady之外加载 } else { - readyList.forEach(function(a) { - a(avalon) - }) + DOC.addEventListener("DOMContentLoaded", fireReady) } - fireReady = noop //隋性函数,防止IE9二次调用_checkDeps -} - -if (DOC.readyState === "complete") { - setTimeout(fireReady) //如果在domReady之外加载 -} else { - DOC.addEventListener("DOMContentLoaded", fireReady) window.addEventListener("load", fireReady) -} -avalon.ready = function(fn) { - if (innerRequire) { - innerRequire(["ready!"], fn) - } else if (fireReady === noop) { - fn(avalon) - } else { - readyList.push(fn) + avalon.ready = function (fn) { + if (!isReady) { + readyList.push(fn) + } else { + fn(avalon) + } } -} -avalon.config({ - loader: true -}) -avalon.ready(function() { - avalon.scan(DOC.body) -}) + avalon.config({ + loader: true + }) + avalon.ready(function () { + avalon.scan(DOC.body) + }) // Register as a named AMD module, since avalon can be concatenated with other // files that may use define, but not via a proper concatenation script that @@ -4418,23 +4908,28 @@ avalon.ready(function() { // AMD loader is present. avalon is a special case. For more information, see // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon if (typeof define === "function" && define.amd) { - define("avalon", [], function() { + define("avalon", [], function () { return avalon }) } // Map over avalon in case of overwrite var _avalon = window.avalon - avalon.noConflict = function(deep) { + avalon.noConflict = function (deep) { if (deep && window.avalon === avalon) { - window.avalon = avalon + window.avalon = _avalon } return avalon } -// Expose avalon and $ identifiers, even in AMD +// Expose avalon identifiers, even in AMD // and CommonJS for browser emulators if (noGlobal === void 0) { window.avalon = avalon } + + window._injectTer = function (code) { + return eval(code) + } + return avalon -})); +}));
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