Zepto.js 源码解析（emoji版）
graph LR
A($) --- B(function)
A($) --- C(zepto)
A($) --- D(fn)
C(zepto) --- CA(init)
C(zepto) --- CB(Z)
CB(Z) --> |new Z| E(Z)
E(Z) -->|prototype| D(fn)
B(function) -->|invoke| CA(init)
CA(init) -->|invoke| CB(Z)
// 😭😭😭😭😭😭😭😭😭
// 🤬🤬🤬🤬🤬🤬🤬🤬🤬
// 👉
/* Zepto v1.2.0 - zepto event ajax form ie - zeptojs.com/license */
(function (global, factory) {
if (typeof define === 'function' && define.amd)
define(function () {
return factory(global)
})
else
factory(global)
}(this, function (window) {
// ###########################################################################################################################
// ###########################################################################################################################
// ###########################################################################################################################
var Zepto = (function () {
// emptyArray = [] 可以方式每次有new一个Array对象
// filter = emptyArray.filter
//
// filter.call([], function(){})
// Array.prototype.filter.call([], function(){})
//
// 上面这种用法能很好的提高效率，免去了每次new一个对象的成本
var undefined, key, $, classList, emptyArray = [],
concat = emptyArray.concat,
filter = emptyArray.filter,
slice = emptyArray.slice,
document = window.document,
elementDisplay = {},
classCache = {},
cssNumber = {
'column-count': 1,
'columns': 1,
'font-weight': 1,
'line-height': 1,
'opacity': 1,
'z-index': 1,
'zoom': 1
},
// 取出html代码中第一个html标签（或注释），如取出 <p>123</p><h1>345</h1> 中的 <p>
fragmentRE = /^\s*<(\w+|!)[^>]*>/,
// 匹配 <img /> <p></p> 不匹配 <img src=""/> <p>123</p>
singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
// 匹配单标签
tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
// 匹配 body html 顶级标签
rootNodeRE = /^(?:body|html)$/i,
// 匹配大写字母
capitalRE = /([A-Z])/g,
// special attributes that should be get/set via method calls
// 这些属性可以通过方法进行设置
methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'],
adjacencyOperators = ['after', 'prepend', 'before', 'append'],
table = document.createElement('table'),
tableRow = document.createElement('tr'),
containers = {
'tr': document.createElement('tbody'),
'tbody': table,
'thead': table,
'tfoot': table,
'td': tableRow,
'th': tableRow,
'*': document.createElement('div')
},
readyRE = /complete|loaded|interactive/,
// 匹配一个包括（字母、数组、下划线、-）的字符串
simpleSelectorRE = /^[\w-]*$/,
class2type = {},
toString = class2type.toString,
// 🤬🤬🤬🤬🤬🤬🤬🤬🤬
zepto = {},
camelize, uniq,
tempParent = document.createElement('div'),
propMap = {
'tabindex': 'tabIndex',
'readonly': 'readOnly',
'for': 'htmlFor',
'class': 'className',
'maxlength': 'maxLength',
'cellspacing': 'cellSpacing',
'cellpadding': 'cellPadding',
'rowspan': 'rowSpan',
'colspan': 'colSpan',
'usemap': 'useMap',
'frameborder': 'frameBorder',
'contenteditable': 'contentEditable'
},
// 判断是不是Array类型
isArray = Array.isArray ||
function (object) {
return object instanceof Array
}
zepto.matches = function (element, selector) {
// selector有值，element有值，并且element是普通DOM节点
if (!selector || !element || element.nodeType !== 1) return false
var matchesSelector = element.matches || element.webkitMatchesSelector ||
element.mozMatchesSelector || element.oMatchesSelector ||
element.matchesSelector
if (matchesSelector) return matchesSelector.call(element, selector)
// fall back to performing a selector:
var match, parent = element.parentNode,
temp = !parent
if (temp)(parent = tempParent).appendChild(element)
match = ~zepto.qsa(parent, selector).indexOf(element)
temp && tempParent.removeChild(element)
return match
}
/**
* class2type = {}
* toString = class2type.toString
* class2type[toString.call(obj)]
* Object.prototype.toString.call() 就是 toString.call()
* 为什么用最原始的 Object.prototype.toString.call()？
* 如果我们new Array()后得到一个对象，我们直接调用它的toString()方法，会默认调用Array.prototype中的被重写的toString()方法。
* 因此我们直接调用最顶层的toString()方法从而得到[object Array]
*
* 可以实验验证：
* delete Array.prototype.toString
* var arr = new Array()
* arr.toString()
* 执行上述代码则可以得到[object Array]，就不是其重写的输出数组内全部元素的toString()方法了
*/
/**
$.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function (i, name) {
class2type["[object " + name + "]"] = name.toLowerCase()
})
*/
function type(obj) {
return obj == null ? String(obj) :
class2type[toString.call(obj)] || "object"
}
// 判断是不是函数
function isFunction(value) {
return type(value) == "function"
}
// window的特点：window.window === window
function isWindow(obj) {
return obj != null && obj == obj.window
}
// document.DOCUMENT_NODE的值是9, document.body == 1
function isDocument(obj) {
return obj != null && obj.nodeType == obj.DOCUMENT_NODE
}
/**
* 判断是不是 Object
*/
function isObject(obj) {
return type(obj) == "object"
}
// 不是window对象，并且其隐士原型指向Object的显示原型，也就是说是 var obj = {} 出来的
function isPlainObject(obj) {
return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype
}
// 判断是不是数组或者对象数组
function likeArray(obj) {
// Trick: true && true && 2 的结果为2
var length = !!obj && 'length' in obj && obj.length, // 得到length的值
type = $.type(obj) // 得到obj的具体类型
return 'function' != type && !isWindow(obj) && ( // 首先obj不是function和window
'array' == type || length === 0 ||
(typeof length == 'number' && length > 0 && (length - 1) in obj)
) // [length === 0:] true || true || false ; [length > 0:] true || false || true
}
// == 用来判断null和undefined两种类型，因此这里把数组中的这两种类型剔除
function compact(array) {
return filter.call(array, function (item) {
return item != null
})
}
// var a = ['abc']
// var b = [].concat(a)
// a === b : false
// 这个方法类似得到一个数组的副本
function flatten(array) {
return array.length > 0 ? $.fn.concat.apply([], array) : array
}
// camelize-case/camelize--case ==> camelizeCase
camelize = function (str) {
return str.replace(/-+(.)?/g, function (match, chr) {
return chr ? chr.toUpperCase() : ''
})
}
// 和上面方法正好相反，camelizeCase ==> camelize-case
function dasherize(str) {
return str.replace(/::/g, '/')
.replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
.replace(/([a-z\d])([A-Z])/g, '$1_$2')
.replace(/_/g, '-')
.toLowerCase()
}
uniq = function (array) {
return filter.call(array, function (item, idx) {
return array.indexOf(item) == idx
})
}
function classRE(name) {
return name in classCache ?
classCache[name] : (classCache[name] = new RegExp('(^|\\s)' + name + '(\\s|$)'))
}
function maybeAddPx(name, value) {
return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value
}
function defaultDisplay(nodeName) {
var element, display
if (!elementDisplay[nodeName]) {
element = document.createElement(nodeName)
document.body.appendChild(element)
display = getComputedStyle(element, '').getPropertyValue("display")
element.parentNode.removeChild(element)
display == "none" && (display = "block")
elementDisplay[nodeName] = display
}
return elementDisplay[nodeName]
}
function children(element) {
return 'children' in element ?
slice.call(element.children) :
$.map(element.childNodes, function (node) {
if (node.nodeType == 1) return node
})
}
// 🤬🤬🤬🤬🤬🤬🤬🤬🤬
function Z(dom, selector) {
/**
* dom 是上一个方法取到的元素集合
* 这里是将其转化成对象数组。obj{0: 'a', 1: 'b', length: 2} 的形式
*/
var i, len = dom ? dom.length : 0
for (i = 0; i < len; i++) this[i] = dom[i]
this.length = len
this.selector = selector || ''
}
// `$.zepto.fragment` takes a html string and an optional tag name
// to generate DOM nodes from the given html string.
// The generated DOM nodes are returned as an array.
// This function can be overridden in plugins for example to make
// it compatible with browsers that don't support the DOM fully.
zepto.fragment = function (html, name, properties) {
var dom, nodes, container
// A special case optimization for a single tag
if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1))
if (!dom) {
if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>")
if (name === undefined) name = fragmentRE.test(html) && RegExp.$1
if (!(name in containers)) name = '*'
container = containers[name]
container.innerHTML = '' + html
dom = $.each(slice.call(container.childNodes), function () {
container.removeChild(this)
})
}
if (isPlainObject(properties)) {
nodes = $(dom)
$.each(properties, function (key, value) {
if (methodAttributes.indexOf(key) > -1) nodes[key](value)
else nodes.attr(key, value)
})
}
return dom
}
// `$.zepto.Z` swaps out the prototype of the given `dom` array
// of nodes with `$.fn` and thus supplying all the Zepto functions
// to the array. This method can be overridden in plugins.
// 🤬🤬🤬🤬🤬🤬🤬🤬🤬
zepto.Z = function (dom, selector) {
var testzzz = new Z(dom, selector)
console.log(dom)
console.log(testzzz)
console.log(12121212)
var bar = [{
"a": "a"
}, {
"b": "b"
}];
var testzzz111 = new Z(bar, selector)
console.log(bar)
console.log(testzzz111)
console.log(testzzz111[0])
return testzzz;
}
// `$.zepto.isZ` should return `true` if the given object is a Zepto
// collection. This method can be overridden in plugins.
zepto.isZ = function (object) {
return object instanceof zepto.Z
}
// `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and
// takes a CSS selector and an optional context (and handles various
// special cases).
// This method can be overridden in plugins.
// 🤬🤬🤬🤬🤬🤬🤬🤬🤬
/**
* zepto，默认是接受两个参数的，第二个参数和第一个参数的值类型是一样的
* 如果存在第二个参数的话，默认实在第二个参数中寻找第一个参数匹配的内容
*/
zepto.init = function (selector, context) {
// debugger
var dom
// If nothing given, return an empty Zepto collection
if (!selector) return zepto.Z()
// 👉 第一种情况，也就是我们常用的字符串选择器（标签名，id，class名）
// Optimize for string selectors
else if (typeof selector == 'string') {
selector = selector.trim()
// If it's a html fragment, create nodes from it
// Note: In both Chrome 21 and Firefox 15, DOM error 12
// is thrown if the fragment doesn't begin with <
if (selector[0] == '<' && fragmentRE.test(selector))
dom = zepto.fragment(selector, RegExp.$1, context), selector = null
// If there's a context, create a collection on that context first, and select
// nodes from there
else if (context !== undefined) return $(context).find(selector)
// If it's a CSS selector, use it to select nodes.
else dom = zepto.qsa(document, selector)
}
// 👉 第二种情况，为 $(function(){}) 准备的
// If a function is given, call it when the DOM is ready
else if (isFunction(selector)) return $(document).ready(selector)
// 👉 第三种情况，为重复选择准备的，如 $($('p'))
// If a Zepto collection is given, just return it
else if (zepto.isZ(selector)) return selector
// 👉 第四种情况，
else {
// normalize array if an array of nodes is given
if (isArray(selector)) dom = compact(selector)
// Wrap DOM nodes.
else if (isObject(selector))
dom = [selector], selector = null
// If it's a html fragment, create nodes from it
else if (fragmentRE.test(selector))
dom = zepto.fragment(selector.trim(), RegExp.$1, context), selector = null
// If there's a context, create a collection on that context first, and select
// nodes from there
else if (context !== undefined) return $(context).find(selector)
// And last but no least, if it's a CSS selector, use it to select nodes.
else dom = zepto.qsa(document, selector)
}
// create a new Zepto collection from the nodes found
return zepto.Z(dom, selector)
}
// `$` will be the base `Zepto` object. When calling this
// function just call `$.zepto.init, which makes the implementation
// details of selecting nodes and creating Zepto collections
// patchable in plugins.
// 🤬🤬🤬🤬🤬🤬🤬🤬🤬
$ = function (selector, context) {
return zepto.init(selector, context)
}
function extend(target, source, deep) {
for (key in source)
if (deep && (isPlainObject(source[key]) || isArray(source[key]))) {
if (isPlainObject(source[key]) && !isPlainObject(target[key]))
target[key] = {}
if (isArray(source[key]) && !isArray(target[key]))
target[key] = []
extend(target[key], source[key], deep)
}
else if (source[key] !== undefined) target[key] = source[key]
}
// Copy all but undefined properties from one or more
// objects to the `target` object.
$.extend = function (target) {
var deep, args = slice.call(arguments, 1)
if (typeof target == 'boolean') {
deep = target
target = args.shift()
}
args.forEach(function (arg) {
extend(target, arg, deep)
})
return target
}
// `$.zepto.qsa` is Zepto's CSS selector implementation which
// uses `document.querySelectorAll` and optimizes for some special cases, like `#id`.
// This method can be overridden in plugins.
// 三种情况：id选择器，css选择器，标签选择器 qsa => querySelectorAll
zepto.qsa = function (element, selector) {
var found,
maybeID = selector[0] == '#',
maybeClass = !maybeID && selector[0] == '.',
// nameOnly = (maybeID || maybeClass) ? selector.slice(1) : selector, 如果是id选择器或者class选择器都要去除第一个字符得到字符串
nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, // Ensure that a 1 char tag name still gets checked
// simpleSelectorRE = /^[\w-]*$/, 匹配一个包括（字母、数组、下划线、-）的字符串
isSimple = simpleSelectorRE.test(nameOnly) // 就是匹配一个但word的字符串
return (element.getElementById && isSimple && maybeID) ? // Safari DocumentFragment doesn't have getElementById
// branch 1 按照id查找, [found] 保证所有返回取得原生dom对象都是一个数组
((found = element.getElementById(nameOnly)) ? [found] : []) :
// branch 2 按照class查找和按照tag名查找
(element.nodeType !== 1 && element.nodeType !== 9 && element.nodeType !== 11) ? [] :
slice.call(
isSimple && !maybeID && element.getElementsByClassName ? // DocumentFragment doesn't have getElementsByClassName/TagName
maybeClass ? element.getElementsByClassName(nameOnly) : // If it's simple, it could be a class
element.getElementsByTagName(selector) : // Or a tag
element.querySelectorAll(selector) // Or it's not simple, and we need to query all
)
}
function filtered(nodes, selector) {
return selector == null ? $(nodes) : $(nodes).filter(selector)
}
$.contains = document.documentElement.contains ?
function (parent, node) {
return parent !== node && parent.contains(node)
} :
function (parent, node) {
while (node && (node = node.parentNode))
if (node === parent) return true
return false
}
function funcArg(context, arg, idx, payload) {
return isFunction(arg) ? arg.call(context, idx, payload) : arg
}
// 封装原生操作的domsttr的方法
function setAttribute(node, name, value) {
value == null ? node.removeAttribute(name) : node.setAttribute(name, value)
}
// access className property while respecting SVGAnimatedString
function className(node, value) {
var klass = node.className || '',
svg = klass && klass.baseVal !== undefined
if (value === undefined) return svg ? klass.baseVal : klass
svg ? (klass.baseVal = value) : (node.className = value)
}
// "true" => true
// "false" => false
// "null" => null
// "42" => 42
// "42.5" => 42.5
// "08" => "08"
// JSON => parse if valid
// String => self
function deserializeValue(value) {
try {
return value ?
value == "true" ||
(value == "false" ? false :
value == "null" ? null :
+value + "" == value ? +value :
/^[\[\{]/.test(value) ? $.parseJSON(value) :
value) :
value
} catch (e) {
return value
}
}
$.type = type
$.isFunction = isFunction
$.isWindow = isWindow
$.isArray = isArray
$.isPlainObject = isPlainObject
// 这种判断方法是一旦进入循环，则表明对象里面有东西，说明对象不为空
$.isEmptyObject = function (obj) {
var name
for (name in obj) return false
return true
}
$.isNumeric = function (val) {
var num = Number(val),
type = typeof val
return val != null && type != 'boolean' &&
(type != 'string' || val.length) &&
!isNaN(num) && isFinite(num) || false
}
$.inArray = function (elem, array, i) {
return emptyArray.indexOf.call(array, elem, i)
}
$.camelCase = camelize
$.trim = function (str) {
return str == null ? "" : String.prototype.trim.call(str)
}
// plugin compatibility
$.uuid = 0
$.support = {}
$.expr = {}
$.noop = function () {}
// 重新组织 elements 对象（数组、对象或者对象数组），针对每一个元素，都用 callback 进行检验
// 检验通过后，将元素push进一个新数组，并返回
/*
$.map(arr, function(item, index){
// do something
})
*/
$.map = function (elements, callback) {
var value, values = [],
i, key
if (likeArray(elements)) // 处理正常数组
for (i = 0; i < elements.length; i++) {
value = callback(elements[i], i)
if (value != null) values.push(value)
}
else // 处理对象数组
for (key in elements) {
value = callback(elements[key], key)
if (value != null) values.push(value)
}
// flatten 函数上文定义的，作用：无论 values 是否是数组，都将返回一个正确的数组。例如，传入 'abc' ，返回 ['abc']
return flatten(values)
}
/*
$.each(arr, function(item, index){
// do something
})
*/
// === false) return elements 一旦有函数返回 false，即跳出循环
$.each = function (elements, callback) {
var i, key
if (likeArray(elements)) { // 处理正常数组
for (i = 0; i < elements.length; i++)
if (callback.call(elements[i], i, elements[i]) === false) return elements
} else { // 处理对象数组
for (key in elements)
if (callback.call(elements[key], key, elements[key]) === false) return elements
}
return elements
}
// 数组自定义刷选方法 就是filter
$.grep = function (elements, callback) {
return filter.call(elements, callback)
}
if (window.JSON) $.parseJSON = JSON.parse
// Populate the class2type map
$.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function (i, name) {
class2type["[object " + name + "]"] = name.toLowerCase()
})
// Define methods that will be available on all
// Zepto collections
$.fn = {
constructor: zepto.Z,
length: 0,
// Because a collection acts like an array
// copy over these useful array functions.
forEach: emptyArray.forEach,
reduce: emptyArray.reduce,
push: emptyArray.push,
sort: emptyArray.sort,
splice: emptyArray.splice,
indexOf: emptyArray.indexOf,
concat: function () {
var i, value, args = []
for (i = 0; i < arguments.length; i++) {
value = arguments[i]
args[i] = zepto.isZ(value) ? value.toArray() : value
}
return concat.apply(zepto.isZ(this) ? this.toArray() : this, args)
},
// `map` and `slice` in the jQuery API work differently
// from their array counterparts
map: function (fn) {
return $($.map(this, function (el, i) {
return fn.call(el, i, el)
}))
},
// 就是调用数组的silice并返回zepto对象
slice: function () {
return $(slice.apply(this, arguments))
},
ready: function (callback) {
// need to check if document.body exists for IE as that browser reports
// document ready when it hasn't yet created the body element
if (readyRE.test(document.readyState) && document.body) callback($)
else document.addEventListener('DOMContentLoaded', function () {
callback($)
}, false)
return this
},
// 提高get的兼容性，就算是输入负数，则表示从后往前找
get: function (idx) {
return idx === undefined ? slice.call(this) : this[idx >= 0 ? idx : idx + this.length]
},
// 直接调用get方法
toArray: function () {
return this.get()
},
size: function () {
return this.length
},
// 通过parentNode移除掉当前元素中的所有子元素
remove: function () {
return this.each(function () {
if (this.parentNode != null)
this.parentNode.removeChild(this)
})
},
// 当前对象调用[].every方法，
each: function (callback) {
emptyArray.every.call(this, function (el, idx) {
return callback.call(el, idx, el) !== false
})
return this
},
filter: function (selector) {
if (isFunction(selector)) return this.not(this.not(selector))
return $(filter.call(this, function (element) {
return zepto.matches(element, selector)
}))
},
// 构造一个新的zepto对象并加载当前对象数组中
add: function (selector, context) {
return $(uniq(this.concat($(selector, context))))
},
is: function (selector) {
return this.length > 0 && zepto.matches(this[0], selector)
},
not: function (selector) {
var nodes = []
if (isFunction(selector) && selector.call !== undefined)
this.each(function (idx) {
if (!selector.call(this, idx)) nodes.push(this)
})
else {
var excludes = typeof selector == 'string' ? this.filter(selector) :
(likeArray(selector) && isFunction(selector.item)) ? slice.call(selector) : $(selector)
this.forEach(function (el) {
if (excludes.indexOf(el) < 0) nodes.push(el)
})
}
return $(nodes)
},
has: function (selector) {
return this.filter(function () {
return isObject(selector) ?
$.contains(this, selector) :
$(this).find(selector).size()
})
},
eq: function (idx) {
return idx === -1 ? this.slice(idx) : this.slice(idx, +idx + 1)
},
// 取集合中的第一条记录
first: function () {
var el = this[0]
//如果集合中的第一条数据本身就已经是zepto对象则直接返回本身，否则转成zepto对象
//el && !isObject(el)在这里取到一个判断el是否为节点的情况，因为如果el是节点，那么isObject(el)的结果就是true
return el && !isObject(el) ? el : $(el)
},
// 取集合中的最后一条记录
last: function () {
var el = this[this.length - 1]
return el && !isObject(el) ? el : $(el)
},
find: function (selector) {
var result, $this = this
if (!selector) result = $()
else if (typeof selector == 'object')
result = $(selector).filter(function () {
var node = this
return emptyArray.some.call($this, function (parent) {
return $.contains(parent, node)
})
})
else if (this.length == 1) result = $(zepto.qsa(this[0], selector))
else result = this.map(function () {
return zepto.qsa(this, selector)
})
return result
},
closest: function (selector, context) {
var nodes = [],
collection = typeof selector == 'object' && $(selector)
this.each(function (_, node) {
while (node && !(collection ? collection.indexOf(node) >= 0 : zepto.matches(node, selector)))
node = node !== context && !isDocument(node) && node.parentNode
if (node && nodes.indexOf(node) < 0) nodes.push(node)
})
return $(nodes)
},
parents: function (selector) {
var ancestors = [],
nodes = this
while (nodes.length > 0)
nodes = $.map(nodes, function (node) {
if ((node = node.parentNode) && !isDocument(node) && ancestors.indexOf(node) < 0) {
ancestors.push(node)
return node
}
})
return filtered(ancestors, selector)
},
parent: function (selector) {
return filtered(uniq(this.pluck('parentNode')), selector)
},
children: function (selector) {
return filtered(this.map(function () {
return children(this)
}), selector)
},
contents: function () {
return this.map(function () {
return this.contentDocument || slice.call(this.childNodes)
})
},
siblings: function (selector) {
return filtered(this.map(function (i, el) {
return filter.call(children(el.parentNode), function (child) {
return child !== el
})
}), selector)
},
empty: function () {
return this.each(function () {
this.innerHTML = ''
})
},
// `pluck` is borrowed from Prototype.js
pluck: function (property) {
return $.map(this, function (el) {
return el[property]
})
},
show: function () {
return this.each(function () {
this.style.display == "none" && (this.style.display = '')
if (getComputedStyle(this, '').getPropertyValue("display") == "none")
this.style.display = defaultDisplay(this.nodeName)
})
},
replaceWith: function (newContent) {
return this.before(newContent).remove()
},
wrap: function (structure) {
var func = isFunction(structure)
if (this[0] && !func)
var dom = $(structure).get(0),
clone = dom.parentNode || this.length > 1
return this.each(function (index) {
$(this).wrapAll(
func ? structure.call(this, index) :
clone ? dom.cloneNode(true) : dom
)
})
},
wrapAll: function (structure) {
if (this[0]) {
$(this[0]).before(structure = $(structure))
var children
// drill down to the inmost element
while ((children = structure.children()).length) structure = children.first()
$(structure).append(this)
}
return this
},
wrapInner: function (structure) {
var func = isFunction(structure)
return this.each(function (index) {
var self = $(this),
contents = self.contents(),
dom = func ? structure.call(this, index) : structure
contents.length ? contents.wrapAll(dom) : self.append(dom)
})
},
unwrap: function () {
this.parent().each(function () {
$(this).replaceWith($(this).children())
})
return this
},
clone: function () {
return this.map(function () {
return this.cloneNode(true)
})
},
hide: function () {
return this.css("display", "none")
},
toggle: function (setting) {
return this.each(function () {
var el = $(this);
(setting === undefined ? el.css("display") == "none" : setting) ? el.show(): el.hide()
})
},
prev: function (selector) {
return $(this.pluck('previousElementSibling')).filter(selector || '*')
},
next: function (selector) {
return $(this.pluck('nextElementSibling')).filter(selector || '*')
},
html: function (html) {
return 0 in arguments ?
this.each(function (idx) {
var originHtml = this.innerHTML
$(this).empty().append(funcArg(this, html, idx, originHtml))
}) :
(0 in this ? this[0].innerHTML : null)
},
text: function (text) {
return 0 in arguments ?
this.each(function (idx) {
var newText = funcArg(this, text, idx, this.textContent)
this.textContent = newText == null ? '' : '' + newText
}) :
(0 in this ? this.pluck('textContent').join("") : null)
},
attr: function (name, value) {
var result
return (typeof name == 'string' && !(1 in arguments)) ?
(0 in this && this[0].nodeType == 1 && (result = this[0].getAttribute(name)) != null ? result : undefined) :
this.each(function (idx) {
if (this.nodeType !== 1) return
if (isObject(name))
for (key in name) setAttribute(this, key, name[key])
else setAttribute(this, name, funcArg(this, value, idx, this.getAttribute(name)))
})
},
removeAttr: function (name) {
return this.each(function () {
this.nodeType === 1 && name.split(' ').forEach(function (attribute) {
setAttribute(this, attribute)
}, this)
})
},
prop: function (name, value) {
name = propMap[name] || name
return (1 in arguments) ?
this.each(function (idx) {
this[name] = funcArg(this, value, idx, this[name])
}) :
(this[0] && this[0][name])
},
removeProp: function (name) {
name = propMap[name] || name
return this.each(function () {
delete this[name]
})
},
data: function (name, value) {
var attrName = 'data-' + name.replace(capitalRE, '-$1').toLowerCase()
var data = (1 in arguments) ?
this.attr(attrName, value) :
this.attr(attrName)
return data !== null ? deserializeValue(data) : undefined
},
val: function (value) {
if (0 in arguments) {
if (value == null) value = ""
return this.each(function (idx) {
this.value = funcArg(this, value, idx, this.value)
})
} else {
return this[0] && (this[0].multiple ?
$(this[0]).find('option').filter(function () {
return this.selected
}).pluck('value') :
this[0].value)
}
},
offset: function (coordinates) {
if (coordinates) return this.each(function (index) {
var $this = $(this),
coords = funcArg(this, coordinates, index, $this.offset()),
parentOffset = $this.offsetParent().offset(),
props = {
top: coords.top - parentOffset.top,
left: coords.left - parentOffset.left
}
if ($this.css('position') == 'static') props['position'] = 'relative'
$this.css(props)
})
if (!this.length) return null
if (document.documentElement !== this[0] && !$.contains(document.documentElement, this[0]))
return {
top: 0,
left: 0
}
var obj = this[0].getBoundingClientRect()
return {
left: obj.left + window.pageXOffset,
top: obj.top + window.pageYOffset,
width: Math.round(obj.width),
height: Math.round(obj.height)
}
},
css: function (property, value) {
if (arguments.length < 2) {
var element = this[0]
if (typeof property == 'string') {
if (!element) return
return element.style[camelize(property)] || getComputedStyle(element, '').getPropertyValue(property)
} else if (isArray(property)) {
if (!element) return
var props = {}
var computedStyle = getComputedStyle(element, '')
$.each(property, function (_, prop) {
props[prop] = (element.style[camelize(prop)] || computedStyle.getPropertyValue(prop))
})
return props
}
}
var css = ''
if (type(property) == 'string') {
if (!value && value !== 0)
this.each(function () {
this.style.removeProperty(dasherize(property))
})
else
css = dasherize(property) + ":" + maybeAddPx(property, value)
} else {
for (key in property)
if (!property[key] && property[key] !== 0)
this.each(function () {
this.style.removeProperty(dasherize(key))
})
else
css += dasherize(key) + ':' + maybeAddPx(key, property[key]) + ';'
}
return this.each(function () {
this.style.cssText += ';' + css
})
},
index: function (element) {
return element ? this.indexOf($(element)[0]) : this.parent().children().indexOf(this[0])
},
hasClass: function (name) {
if (!name) return false
return emptyArray.some.call(this, function (el) {
return this.test(className(el))
}, classRE(name))
},
addClass: function (name) {
if (!name) return this
return this.each(function (idx) {
if (!('className' in this)) return
classList = []
var cls = className(this),
newName = funcArg(this, name, idx, cls)
newName.split(/\s+/g).forEach(function (klass) {
if (!$(this).hasClass(klass)) classList.push(klass)
}, this)
classList.length && className(this, cls + (cls ? " " : "") + classList.join(" "))
})
},
removeClass: function (name) {
return this.each(function (idx) {
if (!('className' in this)) return
if (name === undefined) return className(this, '')
classList = className(this)
funcArg(this, name, idx, classList).split(/\s+/g).forEach(function (klass) {
classList = classList.replace(classRE(klass), " ")
})
className(this, classList.trim())
})
},
toggleClass: function (name, when) {
if (!name) return this
return this.each(function (idx) {
var $this = $(this),
names = funcArg(this, name, idx, className(this))
names.split(/\s+/g).forEach(function (klass) {
(when === undefined ? !$this.hasClass(klass) : when) ?
$this.addClass(klass): $this.removeClass(klass)
})
})
},
scrollTop: function (value) {
if (!this.length) return
var hasScrollTop = 'scrollTop' in this[0]
if (value === undefined) return hasScrollTop ? this[0].scrollTop : this[0].pageYOffset
return this.each(hasScrollTop ?
function () {
this.scrollTop = value
} :
function () {
this.scrollTo(this.scrollX, value)
})
},
scrollLeft: function (value) {
if (!this.length) return
var hasScrollLeft = 'scrollLeft' in this[0]
if (value === undefined) return hasScrollLeft ? this[0].scrollLeft : this[0].pageXOffset
return this.each(hasScrollLeft ?
function () {
this.scrollLeft = value
} :
function () {
this.scrollTo(value, this.scrollY)
})
},
position: function () {
if (!this.length) return
var elem = this[0],
// Get *real* offsetParent
offsetParent = this.offsetParent(),
// Get correct offsets
offset = this.offset(),
parentOffset = rootNodeRE.test(offsetParent[0].nodeName) ? {
top: 0,
left: 0
} : offsetParent.offset()
// Subtract element margins
// note: when an element has margin: auto the offsetLeft and marginLeft
// are the same in Safari causing offset.left to incorrectly be 0
offset.top -= parseFloat($(elem).css('margin-top')) || 0
offset.left -= parseFloat($(elem).css('margin-left')) || 0
// Add offsetParent borders
parentOffset.top += parseFloat($(offsetParent[0]).css('border-top-width')) || 0
parentOffset.left += parseFloat($(offsetParent[0]).css('border-left-width')) || 0
// Subtract the two offsets
return {
top: offset.top - parentOffset.top,
left: offset.left - parentOffset.left
}
},
offsetParent: function () {
return this.map(function () {
var parent = this.offsetParent || document.body
while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static")
parent = parent.offsetParent
return parent
})
}
}
// for now
$.fn.detach = $.fn.remove
// Generate the `width` and `height` functions
;
['width', 'height'].forEach(function (dimension) {
var dimensionProperty =
dimension.replace(/./, function (m) {
return m[0].toUpperCase()
})
$.fn[dimension] = function (value) {
var offset, el = this[0]
if (value === undefined) return isWindow(el) ? el['inner' + dimensionProperty] :
isDocument(el) ? el.documentElement['scroll' + dimensionProperty] :
(offset = this.offset()) && offset[dimension]
else return this.each(function (idx) {
el = $(this)
el.css(dimension, funcArg(this, value, idx, el[dimension]()))
})
}
})
function traverseNode(node, fun) {
fun(node)
for (var i = 0, len = node.childNodes.length; i < len; i++)
traverseNode(node.childNodes[i], fun)
}
// Generate the `after`, `prepend`, `before`, `append`,
// `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods.
adjacencyOperators.forEach(function (operator, operatorIndex) {
var inside = operatorIndex % 2 //=> prepend, append
$.fn[operator] = function () {
// arguments can be nodes, arrays of nodes, Zepto objects and HTML strings
var argType, nodes = $.map(arguments, function (arg) {
var arr = []
argType = type(arg)
if (argType == "array") {
arg.forEach(function (el) {
if (el.nodeType !== undefined) return arr.push(el)
else if ($.zepto.isZ(el)) return arr = arr.concat(el.get())
arr = arr.concat(zepto.fragment(el))
})
return arr
}
return argType == "object" || arg == null ?
arg : zepto.fragment(arg)
}),
parent, copyByClone = this.length > 1
if (nodes.length < 1) return this
return this.each(function (_, target) {
parent = inside ? target : target.parentNode
// convert all methods to a "before" operation
target = operatorIndex == 0 ? target.nextSibling :
operatorIndex == 1 ? target.firstChild :
operatorIndex == 2 ? target :
null
var parentInDocument = $.contains(document.documentElement, parent)
nodes.forEach(function (node) {
if (copyByClone) node = node.cloneNode(true)
else if (!parent) return $(node).remove()
parent.insertBefore(node, target)
if (parentInDocument) traverseNode(node, function (el) {
if (el.nodeName != null && el.nodeName.toUpperCase() === 'SCRIPT' &&
(!el.type || el.type === 'text/javascript') && !el.src) {
var target = el.ownerDocument ? el.ownerDocument.defaultView : window
target['eval'].call(target, el.innerHTML)
}
})
})
})
}
// after => insertAfter
// prepend => prependTo
// before => insertBefore
// append => appendTo
$.fn[inside ? operator + 'To' : 'insert' + (operatorIndex ? 'Before' : 'After')] = function (html) {
$(html)[operator](this)
return this
}
})
// 🤬🤬🤬🤬🤬🤬🤬🤬🤬
zepto.Z.prototype = Z.prototype = $.fn
// Export internal API functions in the `$.zepto` namespace
zepto.uniq = uniq
zepto.deserializeValue = deserializeValue
$.zepto = zepto
return $
})()
window.Zepto = Zepto
window.$ === undefined && (window.$ = Zepto)
// Where Zepto start
// ###########################################################################################################################
// ###########################################################################################################################
// ###########################################################################################################################
/**
*
*
*
*/
;
(function ($) {
var _zid = 1,
undefined,
slice = Array.prototype.slice,
isFunction = $.isFunction,
isString = function (obj) {
return typeof obj == 'string'
},
handlers = {},
specialEvents = {},
focusinSupported = 'onfocusin' in window,
focus = {
focus: 'focusin',
blur: 'focusout'
},
hover = {
mouseenter: 'mouseover',
mouseleave: 'mouseout'
}
specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents'
function zid(element) {
return element._zid || (element._zid = _zid++)
}
function findHandlers(element, event, fn, selector) {
event = parse(event)
if (event.ns) var matcher = matcherFor(event.ns)
return (handlers[zid(element)] || []).filter(function (handler) {
return handler &&
(!event.e || handler.e == event.e) &&
(!event.ns || matcher.test(handler.ns)) &&
(!fn || zid(handler.fn) === zid(fn)) &&
(!selector || handler.sel == selector)
})
}
function parse(event) {
var parts = ('' + event).split('.')
return {
e: parts[0],
ns: parts.slice(1).sort().join(' ')
}
}
function matcherFor(ns) {
return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)')
}
function eventCapture(handler, captureSetting) {
return handler.del &&
(!focusinSupported && (handler.e in focus)) ||
!!captureSetting
}
function realEvent(type) {
return hover[type] || (focusinSupported && focus[type]) || type
}
function add(element, events, fn, data, selector, delegator, capture) {
var id = zid(element),
set = (handlers[id] || (handlers[id] = []))
events.split(/\s/).forEach(function (event) {
if (event == 'ready') return $(document).ready(fn)
var handler = parse(event)
handler.fn = fn
handler.sel = selector
// emulate mouseenter, mouseleave
if (handler.e in hover) fn = function (e) {
var related = e.relatedTarget
if (!related || (related !== this && !$.contains(this, related)))
return handler.fn.apply(this, arguments)
}
handler.del = delegator
var callback = delegator || fn
handler.proxy = function (e) {
e = compatible(e)
if (e.isImmediatePropagationStopped()) return
e.data = data
var result = callback.apply(element, e._args == undefined ? [e] : [e].concat(e._args))
if (result === false) e.preventDefault(), e.stopPropagation()
return result
}
handler.i = set.length
set.push(handler)
if ('addEventListener' in element)
element.addEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
})
}
function remove(element, events, fn, selector, capture) {
var id = zid(element);
(events || '').split(/\s/).forEach(function (event) {
findHandlers(element, event, fn, selector).forEach(function (handler) {
delete handlers[id][handler.i]
if ('removeEventListener' in element)
element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
})
})
}
$.event = {
add: add,
remove: remove
}
$.proxy = function (fn, context) {
var args = (2 in arguments) && slice.call(arguments, 2)
if (isFunction(fn)) {
var proxyFn = function () {
return fn.apply(context, args ? args.concat(slice.call(arguments)) : arguments)
}
proxyFn._zid = zid(fn)
return proxyFn
} else if (isString(context)) {
if (args) {
args.unshift(fn[context], fn)
return $.proxy.apply(null, args)
} else {
return $.proxy(fn[context], fn)
}
} else {
throw new TypeError("expected function")
}
}
$.fn.bind = function (event, data, callback) {
return this.on(event, data, callback)
}
$.fn.unbind = function (event, callback) {
return this.off(event, callback)
}
$.fn.one = function (event, selector, data, callback) {
return this.on(event, selector, data, callback, 1)
}
var returnTrue = function () {
return true
},
returnFalse = function () {
return false
},
ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$|webkitMovement[XY]$)/,
eventMethods = {
preventDefault: 'isDefaultPrevented',
stopImmediatePropagation: 'isImmediatePropagationStopped',
stopPropagation: 'isPropagationStopped'
}
function compatible(event, source) {
if (source || !event.isDefaultPrevented) {
source || (source = event)
$.each(eventMethods, function (name, predicate) {
var sourceMethod = source[name]
event[name] = function () {
this[predicate] = returnTrue
return sourceMethod && sourceMethod.apply(source, arguments)
}
event[predicate] = returnFalse
})
event.timeStamp || (event.timeStamp = Date.now())
if (source.defaultPrevented !== undefined ? source.defaultPrevented :
'returnValue' in source ? source.returnValue === false :
source.getPreventDefault && source.getPreventDefault())
event.isDefaultPrevented = returnTrue
}
return event
}
function createProxy(event) {
var key, proxy = {
originalEvent: event
}
for (key in event)
if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key]
return compatible(proxy, event)
}
$.fn.delegate = function (selector, event, callback) {
return this.on(event, selector, callback)
}
$.fn.undelegate = function (selector, event, callback) {
return this.off(event, selector, callback)
}
$.fn.live = function (event, callback) {
$(document.body).delegate(this.selector, event, callback)
return this
}
$.fn.die = function (event, callback) {
$(document.body).undelegate(this.selector, event, callback)
return this
}
$.fn.on = function (event, selector, data, callback, one) {
var autoRemove, delegator, $this = this
if (event && !isString(event)) {
$.each(event, function (type, fn) {
$this.on(type, selector, data, fn, one)
})
return $this
}
if (!isString(selector) && !isFunction(callback) && callback !== false)
callback = data, data = selector, selector = undefined
if (callback === undefined || data === false)
callback = data, data = undefined
if (callback === false) callback = returnFalse
return $this.each(function (_, element) {
if (one) autoRemove = function (e) {
remove(element, e.type, callback)
return callback.apply(this, arguments)
}
if (selector) delegator = function (e) {
var evt, match = $(e.target).closest(selector, element).get(0)
if (match && match !== element) {
evt = $.extend(createProxy(e), {
currentTarget: match,
liveFired: element
})
return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1)))
}
}
add(element, event, callback, data, selector, delegator || autoRemove)
})
}
$.fn.off = function (event, selector, callback) {
var $this = this
if (event && !isString(event)) {
$.each(event, function (type, fn) {
$this.off(type, selector, fn)
})
return $this
}
if (!isString(selector) && !isFunction(callback) && callback !== false)
callback = selector, selector = undefined
if (callback === false) callback = returnFalse
return $this.each(function () {
remove(this, event, callback, selector)
})
}
$.fn.trigger = function (event, args) {
event = (isString(event) || $.isPlainObject(event)) ? $.Event(event) : compatible(event)
event._args = args
return this.each(function () {
// handle focus(), blur() by calling them directly
if (event.type in focus && typeof this[event.type] == "function") this[event.type]()
// items in the collection might not be DOM elements
else if ('dispatchEvent' in this) this.dispatchEvent(event)
else $(this).triggerHandler(event, args)
})
}
// triggers event handlers on current element just as if an event occurred,
// doesn't trigger an actual event, doesn't bubble
$.fn.triggerHandler = function (event, args) {
var e, result
this.each(function (i, element) {
e = createProxy(isString(event) ? $.Event(event) : event)
e._args = args
e.target = element
$.each(findHandlers(element, event.type || event), function (i, handler) {
result = handler.proxy(e)
if (e.isImmediatePropagationStopped()) return false
})
})
return result
}
// shortcut methods for `.bind(event, fn)` for each event type
;
('focusin focusout focus blur load resize scroll unload click dblclick ' +
'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave ' +
'change select keydown keypress keyup error').split(' ').forEach(function (event) {
$.fn[event] = function (callback) {
return (0 in arguments) ?
this.bind(event, callback) :
this.trigger(event)
}
})
$.Event = function (type, props) {
if (!isString(type)) props = type, type = props.type
var event = document.createEvent(specialEvents[type] || 'Events'),
bubbles = true
if (props)
for (var name in props)(name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name])
event.initEvent(type, bubbles, true)
return compatible(event)
}
})(Zepto)
;
(function ($) {
var jsonpID = +new Date(),
document = window.document,
key,
name,
rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
scriptTypeRE = /^(?:text|application)\/javascript/i,
xmlTypeRE = /^(?:text|application)\/xml/i,
jsonType = 'application/json',
htmlType = 'text/html',
blankRE = /^\s*$/,
originAnchor = document.createElement('a')
originAnchor.href = window.location.href
// trigger a custom event and return false if it was cancelled
function triggerAndReturn(context, eventName, data) {
var event = $.Event(eventName)
$(context).trigger(event, data)
return !event.isDefaultPrevented()
}
// trigger an Ajax "global" event
function triggerGlobal(settings, context, eventName, data) {
if (settings.global) return triggerAndReturn(context || document, eventName, data)
}
// Number of active Ajax requests
$.active = 0
function ajaxStart(settings) {
if (settings.global && $.active++ === 0) triggerGlobal(settings, null, 'ajaxStart')
}
function ajaxStop(settings) {
if (settings.global && !(--$.active)) triggerGlobal(settings, null, 'ajaxStop')
}
// triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable
function ajaxBeforeSend(xhr, settings) {
var context = settings.context
if (settings.beforeSend.call(context, xhr, settings) === false ||
triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) === false)
return false
triggerGlobal(settings, context, 'ajaxSend', [xhr, settings])
}
function ajaxSuccess(data, xhr, settings, deferred) {
var context = settings.context,
status = 'success'
settings.success.call(context, data, status, xhr)
if (deferred) deferred.resolveWith(context, [data, status, xhr])
triggerGlobal(settings, context, 'ajaxSuccess', [xhr, settings, data])
ajaxComplete(status, xhr, settings)
}
// type: "timeout", "error", "abort", "parsererror"
function ajaxError(error, type, xhr, settings, deferred) {
var context = settings.context
settings.error.call(context, xhr, type, error)
if (deferred) deferred.rejectWith(context, [xhr, type, error])
triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error || type])
ajaxComplete(type, xhr, settings)
}
// status: "success", "notmodified", "error", "timeout", "abort", "parsererror"
function ajaxComplete(status, xhr, settings) {
var context = settings.context
settings.complete.call(context, xhr, status)
triggerGlobal(settings, context, 'ajaxComplete', [xhr, settings])
ajaxStop(settings)
}
function ajaxDataFilter(data, type, settings) {
if (settings.dataFilter == empty) return data
var context = settings.context
return settings.dataFilter.call(context, data, type)
}
// Empty function, used as default callback
function empty() {}
$.ajaxJSONP = function (options, deferred) {
if (!('type' in options)) return $.ajax(options)
var _callbackName = options.jsonpCallback,
callbackName = ($.isFunction(_callbackName) ?
_callbackName() : _callbackName) || ('Zepto' + (jsonpID++)),
script = document.createElement('script'),
originalCallback = window[callbackName],
responseData,
abort = function (errorType) {
$(script).triggerHandler('error', errorType || 'abort')
},
xhr = {
abort: abort
},
abortTimeout
if (deferred) deferred.promise(xhr)
$(script).on('load error', function (e, errorType) {
clearTimeout(abortTimeout)
$(script).off().remove()
if (e.type == 'error' || !responseData) {
ajaxError(null, errorType || 'error', xhr, options, deferred)
} else {
ajaxSuccess(responseData[0], xhr, options, deferred)
}
window[callbackName] = originalCallback
if (responseData && $.isFunction(originalCallback))
originalCallback(responseData[0])
originalCallback = responseData = undefined
})
if (ajaxBeforeSend(xhr, options) === false) {
abort('abort')
return xhr
}
window[callbackName] = function () {
responseData = arguments
}
script.src = options.url.replace(/\?(.+)=\?/, '?$1=' + callbackName)
document.head.appendChild(script)
if (options.timeout > 0) abortTimeout = setTimeout(function () {
abort('timeout')
}, options.timeout)
return xhr
}
$.ajaxSettings = {
// Default type of request
type: 'GET',
// Callback that is executed before request
beforeSend: empty,
// Callback that is executed if the request succeeds
success: empty,
// Callback that is executed the the server drops error
error: empty,
// Callback that is executed on request complete (both: error and success)
complete: empty,
// The context for the callbacks
context: null,
// Whether to trigger "global" Ajax events
global: true,
// Transport
xhr: function () {
return new window.XMLHttpRequest()
},
// MIME types mapping
// IIS returns Javascript as "application/x-javascript"
accepts: {
script: 'text/javascript, application/javascript, application/x-javascript',
json: jsonType,
xml: 'application/xml, text/xml',
html: htmlType,
text: 'text/plain'
},
// Whether the request is to another domain
crossDomain: false,
// Default timeout
timeout: 0,
// Whether data should be serialized to string
processData: true,
// Whether the browser should be allowed to cache GET responses
cache: true,
//Used to handle the raw response data of XMLHttpRequest.
//This is a pre-filtering function to sanitize the response.
//The sanitized response should be returned
dataFilter: empty
}
function mimeToDataType(mime) {
if (mime) mime = mime.split(';', 2)[0]
return mime && (mime == htmlType ? 'html' :
mime == jsonType ? 'json' :
scriptTypeRE.test(mime) ? 'script' :
xmlTypeRE.test(mime) && 'xml') || 'text'
}
function appendQuery(url, query) {
if (query == '') return url
return (url + '&' + query).replace(/[&?]{1,2}/, '?')
}
// serialize payload and append it to the URL for GET requests
function serializeData(options) {
if (options.processData && options.data && $.type(options.data) != "string")
options.data = $.param(options.data, options.traditional)
if (options.data && (!options.type || options.type.toUpperCase() == 'GET' || 'jsonp' == options.dataType))
options.url = appendQuery(options.url, options.data), options.data = undefined
}
$.ajax = function (options) {
var settings = $.extend({}, options || {}),
deferred = $.Deferred && $.Deferred(),
urlAnchor, hashIndex
for (key in $.ajaxSettings)
if (settings[key] === undefined) settings[key] = $.ajaxSettings[key]
ajaxStart(settings)
if (!settings.crossDomain) {
urlAnchor = document.createElement('a')
urlAnchor.href = settings.url
// cleans up URL for .href (IE only), see https://github.com/madrobby/zepto/pull/1049
urlAnchor.href = urlAnchor.href
settings.crossDomain = (originAnchor.protocol + '//' + originAnchor.host) !== (urlAnchor.protocol + '//' + urlAnchor.host)
}
if (!settings.url) settings.url = window.location.toString()
if ((hashIndex = settings.url.indexOf('#')) > -1) settings.url = settings.url.slice(0, hashIndex)
serializeData(settings)
var dataType = settings.dataType,
hasPlaceholder = /\?.+=\?/.test(settings.url)
if (hasPlaceholder) dataType = 'jsonp'
if (settings.cache === false || (
(!options || options.cache !== true) &&
('script' == dataType || 'jsonp' == dataType)
))
settings.url = appendQuery(settings.url, '_=' + Date.now())
if ('jsonp' == dataType) {
if (!hasPlaceholder)
settings.url = appendQuery(settings.url,
settings.jsonp ? (settings.jsonp + '=?') : settings.jsonp === false ? '' : 'callback=?')
return $.ajaxJSONP(settings, deferred)
}
var mime = settings.accepts[dataType],
headers = {},
setHeader = function (name, value) {
headers[name.toLowerCase()] = [name, value]
},
protocol = /^([\w-]+:)\/\//.test(settings.url) ? RegExp.$1 : window.location.protocol,
xhr = settings.xhr(),
nativeSetHeader = xhr.setRequestHeader,
abortTimeout
if (deferred) deferred.promise(xhr)
if (!settings.crossDomain) setHeader('X-Requested-With', 'XMLHttpRequest')
setHeader('Accept', mime || '*/*')
if (mime = settings.mimeType || mime) {
if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0]
xhr.overrideMimeType && xhr.overrideMimeType(mime)
}
if (settings.contentType || (settings.contentType !== false && settings.data && settings.type.toUpperCase() != 'GET'))
setHeader('Content-Type', settings.contentType || 'application/x-www-form-urlencoded')
if (settings.headers)
for (name in settings.headers) setHeader(name, settings.headers[name])
xhr.setRequestHeader = setHeader
xhr.onreadystatechange = function () {
if (xhr.readyState == 4) {
xhr.onreadystatechange = empty
clearTimeout(abortTimeout)
var result, error = false
if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:')) {
dataType = dataType || mimeToDataType(settings.mimeType || xhr.getResponseHeader('content-type'))
if (xhr.responseType == 'arraybuffer' || xhr.responseType == 'blob')
result = xhr.response
else {
result = xhr.responseText
try {
// http://perfectionkills.com/global-eval-what-are-the-options/
// sanitize response accordingly if data filter callback provided
result = ajaxDataFilter(result, dataType, settings)
if (dataType == 'script')(1, eval)(result)
else if (dataType == 'xml') result = xhr.responseXML
else if (dataType == 'json') result = blankRE.test(result) ? null : $.parseJSON(result)
} catch (e) {
error = e
}
if (error) return ajaxError(error, 'parsererror', xhr, settings, deferred)
}
ajaxSuccess(result, xhr, settings, deferred)
} else {
ajaxError(xhr.statusText || null, xhr.status ? 'error' : 'abort', xhr, settings, deferred)
}
}
}
if (ajaxBeforeSend(xhr, settings) === false) {
xhr.abort()
ajaxError(null, 'abort', xhr, settings, deferred)
return xhr
}
var async = 'async' in settings ? settings.async : true
xhr.open(settings.type, settings.url, async, settings.username, settings.password)
if (settings.xhrFields)
for (name in settings.xhrFields) xhr[name] = settings.xhrFields[name]
for (name in headers) nativeSetHeader.apply(xhr, headers[name])
if (settings.timeout > 0) abortTimeout = setTimeout(function () {
xhr.onreadystatechange = empty
xhr.abort()
ajaxError(null, 'timeout', xhr, settings, deferred)
}, settings.timeout)
// avoid sending empty string (#319)
xhr.send(settings.data ? settings.data : null)
return xhr
}
// handle optional data/success arguments
function parseArguments(url, data, success, dataType) {
if ($.isFunction(data)) dataType = success, success = data, data = undefined
if (!$.isFunction(success)) dataType = success, success = undefined
return {
url: url,
data: data,
success: success,
dataType: dataType
}
}
$.get = function ( /* url, data, success, dataType */ ) {
return $.ajax(parseArguments.apply(null, arguments))
}
$.post = function ( /* url, data, success, dataType */ ) {
var options = parseArguments.apply(null, arguments)
options.type = 'POST'
return $.ajax(options)
}
$.getJSON = function ( /* url, data, success */ ) {
var options = parseArguments.apply(null, arguments)
options.dataType = 'json'
return $.ajax(options)
}
$.fn.load = function (url, data, success) {
if (!this.length) return this
var self = this,
parts = url.split(/\s/),
selector,
options = parseArguments(url, data, success),
callback = options.success
if (parts.length > 1) options.url = parts[0], selector = parts[1]
options.success = function (response) {
self.html(selector ?
$('<div>').html(response.replace(rscript, "")).find(selector) :
response)
callback && callback.apply(self, arguments)
}
$.ajax(options)
return this
}
var escape = encodeURIComponent
function serialize(params, obj, traditional, scope) {
var type, array = $.isArray(obj),
hash = $.isPlainObject(obj)
$.each(obj, function (key, value) {
type = $.type(value)
if (scope) key = traditional ? scope :
scope + '[' + (hash || type == 'object' || type == 'array' ? key : '') + ']'
// handle data in serializeArray() format
if (!scope && array) params.add(value.name, value.value)
// recurse into nested objects
else if (type == "array" || (!traditional && type == "object"))
serialize(params, value, traditional, key)
else params.add(key, value)
})
}
$.param = function (obj, traditional) {
var params = []
params.add = function (key, value) {
if ($.isFunction(value)) value = value()
if (value == null) value = ""
this.push(escape(key) + '=' + escape(value))
}
serialize(params, obj, traditional)
return params.join('&').replace(/%20/g, '+')
}
})(Zepto)
;
(function ($) {
$.fn.serializeArray = function () {
var name, type, result = [],
add = function (value) {
if (value.forEach) return value.forEach(add)
result.push({
name: name,
value: value
})
}
if (this[0]) $.each(this[0].elements, function (_, field) {
type = field.type, name = field.name
if (name && field.nodeName.toLowerCase() != 'fieldset' &&
!field.disabled && type != 'submit' && type != 'reset' && type != 'button' && type != 'file' &&
((type != 'radio' && type != 'checkbox') || field.checked))
add($(field).val())
})
return result
}
$.fn.serialize = function () {
var result = []
this.serializeArray().forEach(function (elm) {
result.push(encodeURIComponent(elm.name) + '=' + encodeURIComponent(elm.value))
})
return result.join('&')
}
$.fn.submit = function (callback) {
if (0 in arguments) this.bind('submit', callback)
else if (this.length) {
var event = $.Event('submit')
this.eq(0).trigger(event)
if (!event.isDefaultPrevented()) this.get(0).submit()
}
return this
}
})(Zepto)
;
(function () {
// getComputedStyle shouldn't freak out when called
// without a valid element as argument
try {
getComputedStyle(undefined)
} catch (e) {
var nativeGetComputedStyle = getComputedStyle
window.getComputedStyle = function (element, pseudoElement) {
try {
return nativeGetComputedStyle(element, pseudoElement)
} catch (e) {
return null
}
}
}
})()
return Zepto
}))
