zepto.js

//     Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.

var Zepto = (function() {
var undefined, key, $, classList, emptyArray = [], concat = emptyArray.concat, filter = emptyArray.filter, slice = emptyArray.slice,
document = window.document,
elementDisplay = {}, classCache = {},
cssNumber = { 'column-count': 1, 'columns': 1, 'font-weight': 1, 'line-height': 1,'opacity': 1, 'z-index': 1, 'zoom': 1 },
fragmentRE = /^\s*<(\w+|!)[^>]*>/,
singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
rootNodeRE = /^(?:body|html)$/i,
capitalRE = /([A-Z])/g,

// special attributes that should be get/set via method calls
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/,
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'
},
isArray = Array.isArray ||
function(object){ return object instanceof Array }

zepto.matches = function(element, selector) {
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
}

function type(obj) {
return obj == null ? String(obj) :
class2type[toString.call(obj)] || "object"
}

function isFunction(value) { return type(value) == "function" }
function isWindow(obj) { return obj != null && obj == obj.window }
function isDocument(obj) { return obj != null && obj.nodeType == obj.DOCUMENT_NODE }
function isObject(obj) { return type(obj) == "object" }
function isPlainObject(obj) {
return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype
}

function likeArray(obj) {
var length = !!obj && 'length' in obj && obj.length,
type = $.type(obj)

return 'function' != type && !isWindow(obj) && (
'array' == type || length === 0 ||
(typeof length == 'number' && length > 0 && (length - 1) in obj)
)
}

function compact(array) { return filter.call(array, function(item){ return item != null }) }
function flatten(array) { return array.length > 0 ? $.fn.concat.apply([], array) : array }
camelize = function(str){ return str.replace(/-+(.)?/g, function(match, chr){ return chr ? chr.toUpperCase() : '' }) }
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) {
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) {
return new Z(dom, selector)
}

// `$.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.init = function(selector, context) {
var dom
// If nothing given, return an empty Zepto collection
if (!selector) return zepto.Z()
// 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)
}
// If a function is given, call it when the DOM is ready
else if (isFunction(selector)) return $(document).ready(selector)
// If a Zepto collection is given, just return it
else if (zepto.isZ(selector)) return selector
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.
zepto.qsa = function(element, selector){
var found,
maybeID = selector[0] == '#',
maybeClass = !maybeID && selector[0] == '.',
nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, // Ensure that a 1 char tag name still gets checked
isSimple = simpleSelectorRE.test(nameOnly)
return (element.getElementById && isSimple && maybeID) ? // Safari DocumentFragment doesn't have getElementById
( (found = element.getElementById(nameOnly)) ? [found] : [] ) :
(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
}

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

$.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() {}

$.map = function(elements, callback){
var value, values = [], i, key
if (likeArray(elements))
for (i = 0; i < elements.length; i++) {
value = callback(elements[i], i)
if (value != null) values.push(value)
}
else
for (key in elements) {
value = callback(elements[key], key)
if (value != null) values.push(value)
}
return flatten(values)
}

$.each = function(elements, callback){
var i, key
if (likeArray(elements)) {
for (i = 0; i < elements.length; i++)
if (callback.call(elements[i], i, elements[i]) === false) return elements
} else {
for (key in elements)
if (callback.call(elements[key], key, elements[key]) === false) return elements
}

return elements
}

$.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) }))
},
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
},
get: function(idx){
return idx === undefined ? slice.call(this) : this[idx >= 0 ? idx : idx + this.length]
},
toArray: function(){ return this.get() },
size: function(){
return this.length
},
remove: function(){
return this.each(function(){
if (this.parentNode != null)
this.parentNode.removeChild(this)
})
},
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)
}))
},
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)
},
first: function(){
var el = this[0]
return el && !isObject(el) ? el : $(el)
},
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 $
})()

// If `$` is not yet defined, point it to `Zepto`
window.Zepto = Zepto
window.$ === undefined && (window.$ = Zepto)
// Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.

;(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)
// Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.

;(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)
// Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.

;(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)
// Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.

;(function($, undefined){
var prefix = '', eventPrefix,
vendors = { Webkit: 'webkit', Moz: '', O: 'o' },
testEl = document.createElement('div'),
supportedTransforms = /^((translate|rotate|scale)(X|Y|Z|3d)?|matrix(3d)?|perspective|skew(X|Y)?)$/i,
transform,
transitionProperty, transitionDuration, transitionTiming, transitionDelay,
animationName, animationDuration, animationTiming, animationDelay,
cssReset = {}

function dasherize(str) { return str.replace(/([A-Z])/g, '-$1').toLowerCase() }
function normalizeEvent(name) { return eventPrefix ? eventPrefix + name : name.toLowerCase() }

if (testEl.style.transform === undefined) $.each(vendors, function(vendor, event){
if (testEl.style[vendor + 'TransitionProperty'] !== undefined) {
prefix = '-' + vendor.toLowerCase() + '-'
eventPrefix = event
return false
}
})

transform = prefix + 'transform'
cssReset[transitionProperty = prefix + 'transition-property'] =
cssReset[transitionDuration = prefix + 'transition-duration'] =
cssReset[transitionDelay = prefix + 'transition-delay'] =
cssReset[transitionTiming = prefix + 'transition-timing-function'] =
cssReset[animationName = prefix + 'animation-name'] =
cssReset[animationDuration = prefix + 'animation-duration'] =
cssReset[animationDelay = prefix + 'animation-delay'] =
cssReset[animationTiming = prefix + 'animation-timing-function'] = ''

$.fx = {
off: (eventPrefix === undefined && testEl.style.transitionProperty === undefined),
speeds: { _default: 400, fast: 200, slow: 600 },
cssPrefix: prefix,
transitionEnd: normalizeEvent('TransitionEnd'),
animationEnd: normalizeEvent('AnimationEnd')
}

$.fn.animate = function(properties, duration, ease, callback, delay){
if ($.isFunction(duration))
callback = duration, ease = undefined, duration = undefined
if ($.isFunction(ease))
callback = ease, ease = undefined
if ($.isPlainObject(duration))
ease = duration.easing, callback = duration.complete, delay = duration.delay, duration = duration.duration
if (duration) duration = (typeof duration == 'number' ? duration :
($.fx.speeds[duration] || $.fx.speeds._default)) / 1000
if (delay) delay = parseFloat(delay) / 1000
return this.anim(properties, duration, ease, callback, delay)
}

$.fn.anim = function(properties, duration, ease, callback, delay){
var key, cssValues = {}, cssProperties, transforms = '',
that = this, wrappedCallback, endEvent = $.fx.transitionEnd,
fired = false

if (duration === undefined) duration = $.fx.speeds._default / 1000
if (delay === undefined) delay = 0
if ($.fx.off) duration = 0

if (typeof properties == 'string') {
// keyframe animation
cssValues[animationName] = properties
cssValues[animationDuration] = duration + 's'
cssValues[animationDelay] = delay + 's'
cssValues[animationTiming] = (ease || 'linear')
endEvent = $.fx.animationEnd
} else {
cssProperties = []
// CSS transitions
for (key in properties)
if (supportedTransforms.test(key)) transforms += key + '(' + properties[key] + ') '
else cssValues[key] = properties[key], cssProperties.push(dasherize(key))

if (transforms) cssValues[transform] = transforms, cssProperties.push(transform)
if (duration > 0 && typeof properties === 'object') {
cssValues[transitionProperty] = cssProperties.join(', ')
cssValues[transitionDuration] = duration + 's'
cssValues[transitionDelay] = delay + 's'
cssValues[transitionTiming] = (ease || 'linear')
}
}

wrappedCallback = function(event){
if (typeof event !== 'undefined') {
if (event.target !== event.currentTarget) return // makes sure the event didn't bubble from "below"
$(event.target).unbind(endEvent, wrappedCallback)
} else
$(this).unbind(endEvent, wrappedCallback) // triggered by setTimeout

fired = true
$(this).css(cssReset)
callback && callback.call(this)
}
if (duration > 0){
this.bind(endEvent, wrappedCallback)
// transitionEnd is not always firing on older Android phones
// so make sure it gets fired
setTimeout(function(){
if (fired) return
wrappedCallback.call(that)
}, ((duration + delay) * 1000) + 25)
}

// trigger page reflow so new elements can animate
this.size() && this.get(0).clientLeft

this.css(cssValues)

if (duration <= 0) setTimeout(function() {
that.each(function(){ wrappedCallback.call(this) })
}, 0)

return this
}

testEl = null
})(Zepto)
// Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.

;(function($, undefined){
var document = window.document, docElem = document.documentElement,
origShow = $.fn.show, origHide = $.fn.hide, origToggle = $.fn.toggle

function anim(el, speed, opacity, scale, callback) {
if (typeof speed == 'function' && !callback) callback = speed, speed = undefined
var props = { opacity: opacity }
if (scale) {
props.scale = scale
el.css($.fx.cssPrefix + 'transform-origin', '0 0')
}
return el.animate(props, speed, null, callback)
}

function hide(el, speed, scale, callback) {
return anim(el, speed, 0, scale, function(){
origHide.call($(this))
callback && callback.call(this)
})
}

$.fn.show = function(speed, callback) {
origShow.call(this)
if (speed === undefined) speed = 0
else this.css('opacity', 0)
return anim(this, speed, 1, '1,1', callback)
}

$.fn.hide = function(speed, callback) {
if (speed === undefined) return origHide.call(this)
else return hide(this, speed, '0,0', callback)
}

$.fn.toggle = function(speed, callback) {
if (speed === undefined || typeof speed == 'boolean')
return origToggle.call(this, speed)
else return this.each(function(){
var el = $(this)
el[el.css('display') == 'none' ? 'show' : 'hide'](speed, callback)
})
}

$.fn.fadeTo = function(speed, opacity, callback) {
return anim(this, speed, opacity, null, callback)
}

$.fn.fadeIn = function(speed, callback) {
var target = this.css('opacity')
if (target > 0) this.css('opacity', 0)
else target = 1
return origShow.call(this).fadeTo(speed, target, callback)
}

$.fn.fadeOut = function(speed, callback) {
return hide(this, speed, null, callback)
}

$.fn.fadeToggle = function(speed, callback) {
return this.each(function(){
var el = $(this)
el[
(el.css('opacity') == 0 || el.css('display') == 'none') ? 'fadeIn' : 'fadeOut'
](speed, callback)
})
}

})(Zepto)
// Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.

;(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
}
}
}
})()
// Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.

;(function($){
var touch = {},
touchTimeout, tapTimeout, swipeTimeout, longTapTimeout,
longTapDelay = 750,
gesture

function swipeDirection(x1, x2, y1, y2) {
return Math.abs(x1 - x2) >=
Math.abs(y1 - y2) ? (x1 - x2 > 0 ? 'Left' : 'Right') : (y1 - y2 > 0 ? 'Up' : 'Down')
}

function longTap() {
longTapTimeout = null
if (touch.last) {
touch.el.trigger('longTap')
touch = {}
}
}

function cancelLongTap() {
if (longTapTimeout) clearTimeout(longTapTimeout)
longTapTimeout = null
}

function cancelAll() {
if (touchTimeout) clearTimeout(touchTimeout)
if (tapTimeout) clearTimeout(tapTimeout)
if (swipeTimeout) clearTimeout(swipeTimeout)
if (longTapTimeout) clearTimeout(longTapTimeout)
touchTimeout = tapTimeout = swipeTimeout = longTapTimeout = null
touch = {}
}

function isPrimaryTouch(event){
return (event.pointerType == 'touch' ||
event.pointerType == event.MSPOINTER_TYPE_TOUCH)
&& event.isPrimary
}

function isPointerEventType(e, type){
return (e.type == 'pointer'+type ||
e.type.toLowerCase() == 'mspointer'+type)
}

$(document).ready(function(){
var now, delta, deltaX = 0, deltaY = 0, firstTouch, _isPointerType

if ('MSGesture' in window) {
gesture = new MSGesture()
gesture.target = document.body
}

$(document)
.bind('MSGestureEnd', function(e){
var swipeDirectionFromVelocity =
e.velocityX > 1 ? 'Right' : e.velocityX < -1 ? 'Left' : e.velocityY > 1 ? 'Down' : e.velocityY < -1 ? 'Up' : null
if (swipeDirectionFromVelocity) {
touch.el.trigger('swipe')
touch.el.trigger('swipe'+ swipeDirectionFromVelocity)
}
})
.on('touchstart MSPointerDown pointerdown', function(e){
if((_isPointerType = isPointerEventType(e, 'down')) &&
!isPrimaryTouch(e)) return
firstTouch = _isPointerType ? e : e.touches[0]
if (e.touches && e.touches.length === 1 && touch.x2) {
// Clear out touch movement data if we have it sticking around
// This can occur if touchcancel doesn't fire due to preventDefault, etc.
touch.x2 = undefined
touch.y2 = undefined
}
now = Date.now()
delta = now - (touch.last || now)
touch.el = $('tagName' in firstTouch.target ?
firstTouch.target : firstTouch.target.parentNode)
touchTimeout && clearTimeout(touchTimeout)
touch.x1 = firstTouch.pageX
touch.y1 = firstTouch.pageY
if (delta > 0 && delta <= 250) touch.isDoubleTap = true
touch.last = now
longTapTimeout = setTimeout(longTap, longTapDelay)
// adds the current touch contact for IE gesture recognition
if (gesture && _isPointerType) gesture.addPointer(e.pointerId)
})
.on('touchmove MSPointerMove pointermove', function(e){
if((_isPointerType = isPointerEventType(e, 'move')) &&
!isPrimaryTouch(e)) return
firstTouch = _isPointerType ? e : e.touches[0]
cancelLongTap()
touch.x2 = firstTouch.pageX
touch.y2 = firstTouch.pageY

deltaX += Math.abs(touch.x1 - touch.x2)
deltaY += Math.abs(touch.y1 - touch.y2)
})
.on('touchend MSPointerUp pointerup', function(e){
if((_isPointerType = isPointerEventType(e, 'up')) &&
!isPrimaryTouch(e)) return
cancelLongTap()

// swipe
if ((touch.x2 && Math.abs(touch.x1 - touch.x2) > 30) ||
(touch.y2 && Math.abs(touch.y1 - touch.y2) > 30))

swipeTimeout = setTimeout(function() {
if (touch.el){
touch.el.trigger('swipe')
touch.el.trigger('swipe' + (swipeDirection(touch.x1, touch.x2, touch.y1, touch.y2)))
}
touch = {}
}, 0)

// normal tap
else if ('last' in touch)
// don't fire tap when delta position changed by more than 30 pixels,
// for instance when moving to a point and back to origin
if (deltaX < 30 && deltaY < 30) {
// delay by one tick so we can cancel the 'tap' event if 'scroll' fires
// ('tap' fires before 'scroll')
tapTimeout = setTimeout(function() {

// trigger universal 'tap' with the option to cancelTouch()
// (cancelTouch cancels processing of single vs double taps for faster 'tap' response)
var event = $.Event('tap')
event.cancelTouch = cancelAll
// [by paper] fix -> "TypeError: 'undefined' is not an object (evaluating 'touch.el.trigger'), when double tap
if (touch.el) touch.el.trigger(event)

// trigger double tap immediately
if (touch.isDoubleTap) {
if (touch.el) touch.el.trigger('doubleTap')
touch = {}
}

// trigger single tap after 250ms of inactivity
else {
touchTimeout = setTimeout(function(){
touchTimeout = null
if (touch.el) touch.el.trigger('singleTap')
touch = {}
}, 250)
}
}, 0)
} else {
touch = {}
}
deltaX = deltaY = 0

})
// when the browser window loses focus,
// for example when a modal dialog is shown,
// cancel all ongoing events
.on('touchcancel MSPointerCancel pointercancel', cancelAll)

// scrolling the window indicates intention of the user
// to scroll, not tap or swipe, so cancel all ongoing events
$(window).on('scroll', cancelAll)
})

;['swipe', 'swipeLeft', 'swipeRight', 'swipeUp', 'swipeDown',
'doubleTap', 'tap', 'singleTap', 'longTap'].forEach(function(eventName){
$.fn[eventName] = function(callback){ return this.on(eventName, callback) }
})
})(Zepto)
posted @ 2018-05-28 17:20  别动我的猫  阅读(468)  评论(0编辑  收藏  举报