/*! Sea.js 2.2.3 | seajs.org/LICENSE.md */
!function(a,b){function c(a){return function(b){return{}.toString.call(b)=="[object "+a+"]"}}function d(){return B++}function e(a){return a.match(E)[0]}function f(a){for(a=a.replace(F,"/");a.match(G);)a=a.replace(G,"/");return a=a.replace(H,"$1/")}function g(a){var b=a.length-1,c=a.charAt(b);return"#"===c?a.substring(0,b):".js"===a.substring(b-2)||a.indexOf("?")>0||".css"===a.substring(b-3)||"/"===c?a:a+".js"}function h(a){var b=v.alias;return b&&x(b[a])?b[a]:a}function i(a){var b=v.paths,c;return b&&(c=a.match(I))&&x(b[c[1]])&&(a=b[c[1]]+c[2]),a}function j(a){var b=v.vars;return b&&a.indexOf("{")>-1&&(a=a.replace(J,function(a,c){return x(b[c])?b[c]:a})),a}function k(a){var b=v.map,c=a;if(b)for(var d=0,e=b.length;e>d;d++){var f=b[d];if(c=z(f)?f(a)||a:a.replace(f[0],f[1]),c!==a)break}return c}function l(a,b){var c,d=a.charAt(0);if(K.test(a))c=a;else if("."===d)c=f((b?e(b):v.cwd)+a);else if("/"===d){var g=v.cwd.match(L);c=g?g[0]+a.substring(1):a}else c=v.base+a;return 0===c.indexOf("//")&&(c=location.protocol+c),c}function m(a,b){if(!a)return"";a=h(a),a=i(a),a=j(a),a=g(a);var c=l(a,b);return c=k(c)}function n(a){return a.hasAttribute?a.src:a.getAttribute("src",4)}function o(a,b,c,d){var e=T.test(a),f=M.createElement(e?"link":"script");c&&(f.charset=c),A(d)||f.setAttribute("crossorigin",d),p(f,b,e,a),e?(f.rel="stylesheet",f.href=a):(f.async=!0,f.src=a),U=f,S?R.insertBefore(f,S):R.appendChild(f),U=null}function p(a,c,d,e){function f(){a.onload=a.onerror=a.onreadystatechange=null,d||v.debug||R.removeChild(a),a=null,c()}var g="onload"in a;return!d||!W&&g?(g?(a.onload=f,a.onerror=function(){D("error",{uri:e,node:a}),f()}):a.onreadystatechange=function(){/loaded|complete/.test(a.readyState)&&f()},b):(setTimeout(function(){q(a,c)},1),b)}function q(a,b){var c=a.sheet,d;if(W)c&&(d=!0);else if(c)try{c.cssRules&&(d=!0)}catch(e){"NS_ERROR_DOM_SECURITY_ERR"===e.name&&(d=!0)}setTimeout(function(){d?b():q(a,b)},20)}function r(){if(U)return U;if(V&&"interactive"===V.readyState)return V;for(var a=R.getElementsByTagName("script"),b=a.length-1;b>=0;b--){var c=a[b];if("interactive"===c.readyState)return V=c}}function s(a){var b=[];return a.replace(Y,"").replace(X,function(a,c,d){d&&b.push(d)}),b}function t(a,b){this.uri=a,this.dependencies=b||[],this.exports=null,this.status=0,this._waitings={},this._remain=0}if(!a.seajs){var u=a.seajs={version:"2.2.3"},v=u.data={},w=c("Object"),x=c("String"),y=Array.isArray||c("Array"),z=c("Function"),A=c("Undefined"),B=0,C=v.events={};u.on=function(a,b){var c=C[a]||(C[a]=[]);return c.push(b),u},u.off=function(a,b){if(!a&&!b)return C=v.events={},u;var c=C[a];if(c)if(b)for(var d=c.length-1;d>=0;d--)c[d]===b&&c.splice(d,1);else delete C[a];return u};var D=u.emit=function(a,b){var c=C[a],d;if(c)for(c=c.slice();d=c.shift();)d(b);return u},E=/[^?#]*\//,F=/\/\.\//g,G=/\/[^/]+\/\.\.\//,H=/([^:/])\/\//g,I=/^([^/:]+)(\/.+)$/,J=/{([^{]+)}/g,K=/^\/\/.|:\//,L=/^.*?\/\/.*?\//,M=document,N=e(M.URL),O=M.scripts,P=M.getElementById("seajsnode")||O[O.length-1],Q=e(n(P)||N);u.resolve=m;var R=M.head||M.getElementsByTagName("head")[0]||M.documentElement,S=R.getElementsByTagName("base")[0],T=/\.css(?:\?|$)/i,U,V,W=+navigator.userAgent.replace(/.*(?:AppleWebKit|AndroidWebKit)\/(\d+).*/,"$1")<536;u.request=o;var X=/"(?:\\"|[^"])*"|'(?:\\'|[^'])*'|\/\*[\S\s]*?\*\/|\/(?:\\\/|[^\/\r\n])+\/(?=[^\/])|\/\/.*|\.\s*require|(?:^|[^$])\brequire\s*\(\s*(["'])(.+?)\1\s*\)/g,Y=/\\\\/g,Z=u.cache={},$,_={},ab={},bb={},cb=t.STATUS={FETCHING:1,SAVED:2,LOADING:3,LOADED:4,EXECUTING:5,EXECUTED:6};t.prototype.resolve=function(){for(var a=this,b=a.dependencies,c=[],d=0,e=b.length;e>d;d++)c[d]=t.resolve(b[d],a.uri);return c},t.prototype.load=function(){var a=this;if(!(a.status>=cb.LOADING)){a.status=cb.LOADING;var c=a.resolve();D("load",c);for(var d=a._remain=c.length,e,f=0;d>f;f++)e=t.get(c[f]),e.status<cb.LOADED?e._waitings[a.uri]=(e._waitings[a.uri]||0)+1:a._remain--;if(0===a._remain)return a.onload(),b;var g={};for(f=0;d>f;f++)e=Z[c[f]],e.status<cb.FETCHING?e.fetch(g):e.status===cb.SAVED&&e.load();for(var h in g)g.hasOwnProperty(h)&&g[h]()}},t.prototype.onload=function(){var a=this;a.status=cb.LOADED,a.callback&&a.callback();var b=a._waitings,c,d;for(c in b)b.hasOwnProperty(c)&&(d=Z[c],d._remain-=b[c],0===d._remain&&d.onload());delete a._waitings,delete a._remain},t.prototype.fetch=function(a){function c(){u.request(g.requestUri,g.onRequest,g.charset,g.crossorigin)}function d(){delete _[h],ab[h]=!0,$&&(t.save(f,$),$=null);var a,b=bb[h];for(delete bb[h];a=b.shift();)a.load()}var e=this,f=e.uri;e.status=cb.FETCHING;var g={uri:f};D("fetch",g);var h=g.requestUri||f;return!h||ab[h]?(e.load(),b):_[h]?(bb[h].push(e),b):(_[h]=!0,bb[h]=[e],D("request",g={uri:f,requestUri:h,onRequest:d,charset:z(v.charset)?v.charset(h):v.charset,crossorigin:z(v.crossorigin)?v.crossorigin(h):v.crossorigin}),g.requested||(a?a[g.requestUri]=c:c()),b)},t.prototype.exec=function(){function a(b){return t.get(a.resolve(b)).exec()}var c=this;if(c.status>=cb.EXECUTING)return c.exports;c.status=cb.EXECUTING;var e=c.uri;a.resolve=function(a){return t.resolve(a,e)},a.async=function(b,c){return t.use(b,c,e+"_async_"+d()),a};var f=c.factory,g=z(f)?f(a,c.exports={},c):f;return g===b&&(g=c.exports),delete c.factory,c.exports=g,c.status=cb.EXECUTED,D("exec",c),g},t.resolve=function(a,b){var c={id:a,refUri:b};return D("resolve",c),c.uri||u.resolve(c.id,b)},t.define=function(a,c,d){var e=arguments.length;1===e?(d=a,a=b):2===e&&(d=c,y(a)?(c=a,a=b):c=b),!y(c)&&z(d)&&(c=s(""+d));var f={id:a,uri:t.resolve(a),deps:c,factory:d};if(!f.uri&&M.attachEvent){var g=r();g&&(f.uri=g.src)}D("define",f),f.uri?t.save(f.uri,f):$=f},t.save=function(a,b){var c=t.get(a);c.status<cb.SAVED&&(c.id=b.id||a,c.dependencies=b.deps||[],c.factory=b.factory,c.status=cb.SAVED)},t.get=function(a,b){return Z[a]||(Z[a]=new t(a,b))},t.use=function(b,c,d){var e=t.get(d,y(b)?b:[b]);e.callback=function(){for(var b=[],d=e.resolve(),f=0,g=d.length;g>f;f++)b[f]=Z[d[f]].exec();c&&c.apply(a,b),delete e.callback},e.load()},t.preload=function(a){var b=v.preload,c=b.length;c?t.use(b,function(){b.splice(0,c),t.preload(a)},v.cwd+"_preload_"+d()):a()},u.use=function(a,b){return t.preload(function(){t.use(a,b,v.cwd+"_use_"+d())}),u},t.define.cmd={},a.define=t.define,u.Module=t,v.fetchedList=ab,v.cid=d,u.require=function(a){var b=t.get(t.resolve(a));return b.status<cb.EXECUTING&&(b.onload(),b.exec()),b.exports};var db=/^(.+?\/)(\?\?)?(seajs\/)+/;v.base=(Q.match(db)||["",Q])[1],v.dir=Q,v.cwd=N,v.charset="utf-8",v.preload=function(){var a=[],b=location.search.replace(/(seajs-\w+)(&|$)/g,"$1=1$2");return b+=" "+M.cookie,b.replace(/(seajs-\w+)=1/g,function(b,c){a.push(c)}),a}(),u.config=function(a){for(var b in a){var c=a[b],d=v[b];if(d&&w(d))for(var e in c)d[e]=c[e];else y(d)?c=d.concat(c):"base"===b&&("/"!==c.slice(-1)&&(c+="/"),c=l(c)),v[b]=c}return D("config",a),u}}}(this);
window.require = window.define = window.exports = window.module = undefined;
/*!
* v2.0.1
*
* Copyright 2012, Chris Wanstrath
* Released under the MIT License
* https://github.com/defunkt/jquery-pjax
*/
(function($){
// When called on a container with a selector, fetches the href with
// ajax into the container or with the data-pjax attribute on the link
// itself.
//
// Tries to make sure the back button and ctrl+click work the way
// you'd expect.
//
// Exported as $.fn.pjax
//
// Accepts a jQuery ajax options object that may include these
// pjax specific options:
//
//
// container - String selector for the element where to place the response body.
// push - Whether to pushState the URL. Defaults to true (of course).
// replace - Want to use replaceState instead? That's cool.
//
// For convenience the second parameter can be either the container or
// the options object.
//
// Returns the jQuery object
function fnPjax(selector, container, options) {
options = optionsFor(container, options);
return this.on('click.pjax', selector, function(event) {
var opts = options;
if (!opts.container) {
opts = $.extend({}, options);
opts.container = $(this).attr('data-pjax')
}
handleClick(event, opts)
})
}
// Public: pjax on click handler
//
// Exported as $.pjax.click.
//
// event - "click" jQuery.Event
// options - pjax options
//
// Examples
//
// $(document).on('click', 'a', $.pjax.click)
// // is the same as
// $(document).pjax('a')
//
// Returns nothing.
function handleClick(event, container, options) {
options = optionsFor(container, options);
var link = event.currentTarget;
var $link = $(link);
if (link.tagName.toUpperCase() !== 'A')
throw "$.fn.pjax or $.pjax.click requires an anchor element";
// Middle click, cmd click, and ctrl click should open
// links in a new tab as normal.
if ( event.which > 1 || event.metaKey || event.ctrlKey || event.shiftKey || event.altKey )
return;
// Ignore cross origin links
if ( location.protocol !== link.protocol || location.hostname !== link.hostname )
return;
// Ignore case when a hash is being tacked on the current URL
if ( link.href.indexOf('#') > -1 && stripHash(link) == stripHash(location) )
return;
// Ignore event with default prevented
if (event.isDefaultPrevented())
return;
var defaults = {
url: link.href,
container: $link.attr('data-pjax'),
target: link
};
var opts = $.extend({}, defaults, options);
var clickEvent = $.Event('pjax:click');
$link.trigger(clickEvent, [opts]);
if (!clickEvent.isDefaultPrevented()) {
pjax(opts);
event.preventDefault();
$link.trigger('pjax:clicked', [opts])
}
}
// Public: pjax on form submit handler
//
// Exported as $.pjax.submit
//
// event - "click" jQuery.Event
// options - pjax options
//
// Examples
//
// $(document).on('submit', 'form', function(event) {
// $.pjax.submit(event, '[data-pjax-container]')
// })
//
// Returns nothing.
function handleSubmit(event, container, options) {
options = optionsFor(container, options);
var form = event.currentTarget;
var $form = $(form);
if (form.tagName.toUpperCase() !== 'FORM')
throw "$.pjax.submit requires a form element";
var defaults = {
type: ($form.attr('method') || 'GET').toUpperCase(),
url: $form.attr('action'),
container: $form.attr('data-pjax'),
target: form
};
if (defaults.type !== 'GET' && window.FormData !== undefined) {
defaults.data = new FormData(form);
defaults.processData = false;
defaults.contentType = false;
} else {
// Can't handle file uploads, exit
if ($form.find(':file').length) {
return
}
// Fallback to manually serializing the fields
defaults.data = $form.serializeArray()
}
pjax($.extend({}, defaults, options));
event.preventDefault()
}
// Loads a URL with ajax, puts the response body inside a container,
// then pushState()'s the loaded URL.
//
// Works just like $.ajax in that it accepts a jQuery ajax
// settings object (with keys like url, type, data, etc).
//
// Accepts these extra keys:
//
// container - String selector for where to stick the response body.
// push - Whether to pushState the URL. Defaults to true (of course).
// replace - Want to use replaceState instead? That's cool.
//
// Use it just like $.ajax:
//
// var xhr = $.pjax({ url: this.href, container: '#main' })
// console.log( xhr.readyState )
//
// Returns whatever $.ajax returns.
function pjax(options) {
options = $.extend(true, {}, $.ajaxSettings, pjax.defaults, options);
if ($.isFunction(options.url)) {
options.url = options.url()
}
var hash = parseURL(options.url).hash;
var containerType = $.type(options.container);
if (containerType !== 'string') {
throw "expected string value for 'container' option; got " + containerType
}
var context = options.context = $(options.container);
if (!context.length) {
throw "the container selector '" + options.container + "' did not match anything"
}
// We want the browser to maintain two separate internal caches: one
// for pjax'd partial page loads and one for normal page loads.
// Without adding this secret parameter, some browsers will often
// confuse the two.
if (!options.data) options.data = {};
if ($.isArray(options.data)) {
options.data.push({name: '_pjax', value: options.container})
} else {
options.data._pjax = options.container
}
function fire(type, args, props) {
if (!props) props = {};
props.relatedTarget = options.target;
var event = $.Event(type, props);
context.trigger(event, args);
return !event.isDefaultPrevented()
}
var timeoutTimer;
options.beforeSend = function(xhr, settings) {
// No timeout for non-GET requests
// Its not safe to request the resource again with a fallback method.
if (settings.type !== 'GET') {
settings.timeout = 0
}
xhr.setRequestHeader('X-PJAX', 'true');
xhr.setRequestHeader('X-PJAX-Container', options.container);
if (!fire('pjax:beforeSend', [xhr, settings]))
return false;
if (settings.timeout > 0) {
timeoutTimer = setTimeout(function() {
if (fire('pjax:timeout', [xhr, options]))
xhr.abort('timeout')
}, settings.timeout);
// Clear timeout setting so jquerys internal timeout isn't invoked
settings.timeout = 0
}
var url = parseURL(settings.url);
if (hash) url.hash = hash;
options.requestUrl = stripInternalParams(url)
};
options.complete = function(xhr, textStatus) {
if (timeoutTimer)
clearTimeout(timeoutTimer);
fire('pjax:complete', [xhr, textStatus, options]);
fire('pjax:end', [xhr, options])
};
options.error = function(xhr, textStatus, errorThrown) {
var container = extractContainer("", xhr, options);
var allowed = fire('pjax:error', [xhr, textStatus, errorThrown, options]);
if (options.type == 'GET' && textStatus !== 'abort' && allowed) {
locationReplace(container.url)
}
};
options.success = function(data, status, xhr) {
var previousState = pjax.state;
// If $.pjax.defaults.version is a function, invoke it first.
// Otherwise it can be a static string.
var currentVersion = typeof $.pjax.defaults.version === 'function' ?
$.pjax.defaults.version() :
$.pjax.defaults.version;
var latestVersion = xhr.getResponseHeader('X-PJAX-Version');
var container = extractContainer(data, xhr, options);
var url = parseURL(container.url);
if (hash) {
url.hash = hash;
container.url = url.href
}
// If there is a layout version mismatch, hard load the new url
if (currentVersion && latestVersion && currentVersion !== latestVersion) {
locationReplace(container.url);
return
}
// If the new response is missing a body, hard load the page
if (!container.contents) {
locationReplace(container.url);
return
}
pjax.state = {
id: options.id || uniqueId(),
url: container.url,
title: container.title,
container: options.container,
fragment: options.fragment,
timeout: options.timeout
};
if (options.push || options.replace) {
window.history.replaceState(pjax.state, container.title, container.url)
}
// Only blur the focus if the focused element is within the container.
var blurFocus = $.contains(context, document.activeElement);
// Clear out any focused controls before inserting new page contents.
if (blurFocus) {
try {
document.activeElement.blur()
} catch (e) { /* ignore */ }
}
if (container.title) document.title = container.title;
fire('pjax:beforeReplace', [container.contents, options], {
state: pjax.state,
previousState: previousState
});
context.html(container.contents);
// FF bug: Won't autofocus fields that are inserted via JS.
// This behavior is incorrect. So if theres no current focus, autofocus
// the last field.
//
// http://www.w3.org/html/wg/drafts/html/master/forms.html
var autofocusEl = context.find('input[autofocus], textarea[autofocus]').last()[0];
if (autofocusEl && document.activeElement !== autofocusEl) {
autofocusEl.focus()
}
executeStyleTags(container.styles);
executeScriptTags(container.scripts);
var scrollTo = options.scrollTo;
// Ensure browser scrolls to the element referenced by the URL anchor
if (hash) {
var name = decodeURIComponent(hash.slice(1));
var target = document.getElementById(name) || document.getElementsByName(name)[0];
if (target) scrollTo = $(target).offset().top
}
if (typeof scrollTo == 'number') $(window).scrollTop(scrollTo);
fire('pjax:success', [data, status, xhr, options])
};
function executeScriptTags(scripts) {
if (!scripts) return;
var urls = [];
scripts.each(function() {
urls.unshift($(this).attr('src'));
});
loadAssets(urls, true);
}
function executeStyleTags(styles) {
if (!styles) return;
var hrefs = [];
styles.each(function() {
hrefs.unshift($(this).attr('href'));
});
loadAssets(hrefs);
}
// 按顺序加载静态资源
function loadAssets(urls, trigger) {
if (urls.length < 1) {
if (trigger) {
fire('pjax:loaded');
}
return;
}
seajs.use([urls.pop()], function () {
loadAssets(urls, trigger);
});
}
// Initialize pjax.state for the initial page load. Assume we're
// using the container and options of the link we're loading for the
// back button to the initial page. This ensures good back button
// behavior.
if (!pjax.state) {
pjax.state = {
id: uniqueId(),
url: window.location.href,
title: document.title,
container: options.container,
fragment: options.fragment,
timeout: options.timeout
};
window.history.replaceState(pjax.state, document.title)
}
// Cancel the current request if we're already pjaxing
abortXHR(pjax.xhr);
pjax.options = options;
var xhr = pjax.xhr = $.ajax(options);
if (xhr.readyState > 0) {
if (options.push && !options.replace) {
// Cache current container element before replacing it
cachePush(pjax.state.id, [options.container, cloneContents(context)]);
window.history.pushState(null, "", options.requestUrl)
}
fire('pjax:start', [xhr, options]);
fire('pjax:send', [xhr, options])
}
return pjax.xhr
}
// Public: Reload current page with pjax.
//
// Returns whatever $.pjax returns.
function pjaxReload(container, options) {
var defaults = {
url: window.location.href,
push: false,
replace: true,
scrollTo: false
};
return pjax($.extend(defaults, optionsFor(container, options)))
}
// Internal: Hard replace current state with url.
//
// Work for around WebKit
// https://bugs.webkit.org/show_bug.cgi?id=93506
//
// Returns nothing.
function locationReplace(url) {
window.history.replaceState(null, "", pjax.state.url);
window.location.replace(url)
}
var initialPop = true;
var initialURL = window.location.href;
var initialState = window.history.state;
// Initialize $.pjax.state if possible
// Happens when reloading a page and coming forward from a different
// session history.
if (initialState && initialState.container) {
pjax.state = initialState
}
// Non-webkit browsers don't fire an initial popstate event
if ('state' in window.history) {
initialPop = false
}
// popstate handler takes care of the back and forward buttons
//
// You probably shouldn't use pjax on pages with other pushState
// stuff yet.
function onPjaxPopstate(event) {
// Hitting back or forward should override any pending PJAX request.
if (!initialPop) {
abortXHR(pjax.xhr)
}
var previousState = pjax.state;
var state = event.state;
var direction;
if (state && state.container) {
// When coming forward from a separate history session, will get an
// initial pop with a state we are already at. Skip reloading the current
// page.
if (initialPop && initialURL == state.url) return;
if (previousState) {
// If popping back to the same state, just skip.
// Could be clicking back from hashchange rather than a pushState.
if (previousState.id === state.id) return;
// Since state IDs always increase, we can deduce the navigation direction
direction = previousState.id < state.id ? 'forward' : 'back'
}
var cache = cacheMapping[state.id] || [];
var containerSelector = cache[0] || state.container;
var container = $(containerSelector), contents = cache[1];
if (container.length) {
if (previousState) {
// Cache current container before replacement and inform the
// cache which direction the history shifted.
cachePop(direction, previousState.id, [containerSelector, cloneContents(container)])
}
var popstateEvent = $.Event('pjax:popstate', {
state: state,
direction: direction
});
container.trigger(popstateEvent);
var options = {
id: state.id,
url: state.url,
container: containerSelector,
push: false,
fragment: state.fragment,
timeout: state.timeout,
scrollTo: false
};
if (contents) {
container.trigger('pjax:start', [null, options]);
pjax.state = state;
if (state.title) document.title = state.title;
var beforeReplaceEvent = $.Event('pjax:beforeReplace', {
state: state,
previousState: previousState
});
container.trigger(beforeReplaceEvent, [contents, options]);
container.html(contents);
container.trigger('pjax:end', [null, options])
} else {
pjax(options)
}
// Force reflow/relayout before the browser tries to restore the
// scroll position.
container[0].offsetHeight // eslint-disable-line no-unused-expressions
} else {
locationReplace(location.href)
}
}
initialPop = false
}
// Fallback version of main pjax function for browsers that don't
// support pushState.
//
// Returns nothing since it retriggers a hard form submission.
function fallbackPjax(options) {
var url = $.isFunction(options.url) ? options.url() : options.url,
method = options.type ? options.type.toUpperCase() : 'GET';
var form = $('<form>', {
method: method === 'GET' ? 'GET' : 'POST',
action: url,
style: 'display:none'
});
if (method !== 'GET' && method !== 'POST') {
form.append($('<input>', {
type: 'hidden',
name: '_method',
value: method.toLowerCase()
}))
}
var data = options.data;
if (typeof data === 'string') {
$.each(data.split('&'), function(index, value) {
var pair = value.split('=');
form.append($('<input>', {type: 'hidden', name: pair[0], value: pair[1]}))
})
} else if ($.isArray(data)) {
$.each(data, function(index, value) {
form.append($('<input>', {type: 'hidden', name: value.name, value: value.value}))
})
} else if (typeof data === 'object') {
var key;
for (key in data)
form.append($('<input>', {type: 'hidden', name: key, value: data[key]}))
}
$(document.body).append(form);
form.submit()
}
// Internal: Abort an XmlHttpRequest if it hasn't been completed,
// also removing its event handlers.
function abortXHR(xhr) {
if ( xhr && xhr.readyState < 4) {
xhr.onreadystatechange = $.noop;
xhr.abort()
}
}
// Internal: Generate unique id for state object.
//
// Use a timestamp instead of a counter since ids should still be
// unique across page loads.
//
// Returns Number.
function uniqueId() {
return (new Date).getTime()
}
function cloneContents(container) {
var cloned = container.clone();
// Unmark script tags as already being eval'd so they can get executed again
// when restored from cache. HAXX: Uses jQuery internal method.
cloned.find('script').each(function(){
if (!this.src) $._data(this, 'globalEval', false)
});
return cloned.contents()
}
// Internal: Strip internal query params from parsed URL.
//
// Returns sanitized url.href String.
function stripInternalParams(url) {
url.search = url.search.replace(/([?&])(_pjax|_)=[^&]*/g, '').replace(/^&/, '');
return url.href.replace(/\?($|#)/, '$1')
}
// Internal: Parse URL components and returns a Locationish object.
//
// url - String URL
//
// Returns HTMLAnchorElement that acts like Location.
function parseURL(url) {
var a = document.createElement('a');
a.href = url;
return a
}
// Internal: Return the `href` component of given URL object with the hash
// portion removed.
//
// location - Location or HTMLAnchorElement
//
// Returns String
function stripHash(location) {
return location.href.replace(/#.*/, '')
}
// Internal: Build options Object for arguments.
//
// For convenience the first parameter can be either the container or
// the options object.
//
// Examples
//
// optionsFor('#container')
// // => {container: '#container'}
//
// optionsFor('#container', {push: true})
// // => {container: '#container', push: true}
//
// optionsFor({container: '#container', push: true})
// // => {container: '#container', push: true}
//
// Returns options Object.
function optionsFor(container, options) {
if (container && options) {
options = $.extend({}, options);
options.container = container;
return options
} else if ($.isPlainObject(container)) {
return container
} else {
return {container: container}
}
}
// Internal: Filter and find all elements matching the selector.
//
// Where $.fn.find only matches descendants, findAll will test all the
// top level elements in the jQuery object as well.
//
// elems - jQuery object of Elements
// selector - String selector to match
//
// Returns a jQuery object.
function findAll(elems, selector) {
return elems.filter(selector).add(elems.find(selector))
}
function parseHTML(html) {
return $.parseHTML(html, document, true)
}
// Internal: Extracts container and metadata from response.
//
// 1. Extracts X-PJAX-URL header if set
// 2. Extracts inline <title> tags
// 3. Builds response Element and extracts fragment if set
//
// data - String response data
// xhr - XHR response
// options - pjax options Object
//
// Returns an Object with url, title, and contents keys.
function extractContainer(data, xhr, options) {
var obj = {}, fullDocument = /<html/i.test(data);
// Prefer X-PJAX-URL header if it was set, otherwise fallback to
// using the original requested url.
var serverUrl = xhr.getResponseHeader('X-PJAX-URL');
obj.url = serverUrl ? stripInternalParams(parseURL(serverUrl)) : options.requestUrl;
var $head, $body;
// Attempt to parse response html into elements
if (fullDocument) {
$body = $(parseHTML(data.match(/<body[^>]*>([\s\S.]*)<\/body>/i)[0]));
var head = data.match(/<head[^>]*>([\s\S.]*)<\/head>/i);
$head = head != null ? $(parseHTML(head[0])) : $body
} else {
$head = $body = $(parseHTML(data))
}
// If response data is empty, return fast
if ($body.length === 0)
return obj;
// If there's a <title> tag in the header, use it as
// the page's title.
obj.title = findAll($head, 'title').last().text();
if (options.fragment) {
var $fragment = $body;
// If they specified a fragment, look for it in the response
// and pull it out.
if (options.fragment !== 'body') {
$fragment = findAll($fragment, options.fragment).first()
}
if ($fragment.length) {
obj.contents = options.fragment === 'body' ? $fragment : $fragment.contents();
// If there's no title, look for data-title and title attributes
// on the fragment
if (!obj.title)
obj.title = $fragment.attr('title') || $fragment.data('title')
}
} else if (!fullDocument) {
obj.contents = $body
}
// Clean up any <title> tags
if (obj.contents) {
// Remove any parent title elements
obj.contents = obj.contents.not(function() { return $(this).is('title') });
// Then scrub any titles from their descendants
obj.contents.find('title').remove();
// Gather all script[src] elements
obj.scripts = findAll(obj.contents, 'script[src]').remove();
obj.contents = obj.contents.not(obj.scripts);
// Collect all link[type="text/css"] elements
obj.styles = findAll(obj.contents, 'link[type="text/css"]').remove();
obj.contents = obj.contents.not(obj.styles);
}
// Trim any whitespace off the title
if (obj.title) obj.title = $.trim(obj.title);
return obj
}
// Internal: History DOM caching class.
var cacheMapping = {};
var cacheForwardStack = [];
var cacheBackStack = [];
// Push previous state id and container contents into the history
// cache. Should be called in conjunction with `pushState` to save the
// previous container contents.
//
// id - State ID Number
// value - DOM Element to cache
//
// Returns nothing.
function cachePush(id, value) {
cacheMapping[id] = value;
cacheBackStack.push(id);
// Remove all entries in forward history stack after pushing a new page.
trimCacheStack(cacheForwardStack, 0);
// Trim back history stack to max cache length.
trimCacheStack(cacheBackStack, pjax.defaults.maxCacheLength)
}
// Shifts cache from directional history cache. Should be
// called on `popstate` with the previous state id and container
// contents.
//
// direction - "forward" or "back" String
// id - State ID Number
// value - DOM Element to cache
//
// Returns nothing.
function cachePop(direction, id, value) {
var pushStack, popStack;
cacheMapping[id] = value;
if (direction === 'forward') {
pushStack = cacheBackStack;
popStack = cacheForwardStack
} else {
pushStack = cacheForwardStack;
popStack = cacheBackStack
}
pushStack.push(id);
id = popStack.pop();
if (id) delete cacheMapping[id];
// Trim whichever stack we just pushed to to max cache length.
trimCacheStack(pushStack, pjax.defaults.maxCacheLength)
}
// Trim a cache stack (either cacheBackStack or cacheForwardStack) to be no
// longer than the specified length, deleting cached DOM elements as necessary.
//
// stack - Array of state IDs
// length - Maximum length to trim to
//
// Returns nothing.
function trimCacheStack(stack, length) {
while (stack.length > length)
delete cacheMapping[stack.shift()]
}
// Public: Find version identifier for the initial page load.
//
// Returns String version or undefined.
function findVersion() {
return $('meta').filter(function() {
var name = $(this).attr('http-equiv');
return name && name.toUpperCase() === 'X-PJAX-VERSION'
}).attr('content')
}
// Install pjax functions on $.pjax to enable pushState behavior.
//
// Does nothing if already enabled.
//
// Examples
//
// $.pjax.enable()
//
// Returns nothing.
function enable() {
$.fn.pjax = fnPjax;
$.pjax = pjax;
$.pjax.enable = $.noop;
$.pjax.disable = disable;
$.pjax.click = handleClick;
$.pjax.submit = handleSubmit;
$.pjax.reload = pjaxReload;
$.pjax.defaults = {
timeout: 650,
push: true,
replace: false,
type: 'GET',
dataType: 'html',
scrollTo: 0,
maxCacheLength: 20,
version: findVersion
};
$(window).on('popstate.pjax', onPjaxPopstate)
}
// Disable pushState behavior.
//
// This is the case when a browser doesn't support pushState. It is
// sometimes useful to disable pushState for debugging on a modern
// browser.
//
// Examples
//
// $.pjax.disable()
//
// Returns nothing.
function disable() {
$.fn.pjax = function() { return this };
$.pjax = fallbackPjax;
$.pjax.enable = enable;
$.pjax.disable = $.noop;
$.pjax.click = $.noop;
$.pjax.submit = $.noop;
$.pjax.reload = function() { window.location.reload() };
$(window).off('popstate.pjax', onPjaxPopstate)
}
// Add the state property to jQuery's event object so we can use it in
// $(window).bind('popstate')
if ($.event.props && $.inArray('state', $.event.props) < 0) {
$.event.props.push('state')
} else if (!('state' in $.Event.prototype)) {
$.event.addProp('state')
}
// Is pjax supported by this browser?
$.support.pjax =
window.history && window.history.pushState && window.history.replaceState &&
// pushState isn't reliable on iOS until 5.
!navigator.userAgent.match(/((iPod|iPhone|iPad).+\bOS\s+[1-4]\D|WebApps\/.+CFNetwork)/);
if ($.support.pjax) {
enable()
} else {
disable()
}
})(jQuery);