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ctx};page.back=function(path,state){if(page.len>0){history.back();page.len--}else if(path){setTimeout(function(){page.show(path,state)})}else{setTimeout(function(){page.show(base,state)})}};page.redirect=function(from,to){if("string"===typeof from&&"string"===typeof to){page(from,function(e){setTimeout(function(){page.replace(to)},0)})}if("string"===typeof from&&"undefined"===typeof to){setTimeout(function(){page.replace(from)},0)}};page.replace=function(path,state,init,dispatch){var ctx=new Context(path,state);page.current=ctx.path;ctx.init=init;ctx.save();if(false!==dispatch)page.dispatch(ctx);return ctx};page.dispatch=function(ctx){var prev=prevContext,i=0,j=0;prevContext=ctx;function nextExit(){var fn=page.exits[j++];if(!fn)return nextEnter();fn(prev,nextExit)}function nextEnter(){var fn=page.callbacks[i++];if(ctx.path!==page.current){ctx.handled=false;return}if(!fn)return unhandled(ctx);fn(ctx,nextEnter)}if(prev){nextExit()}else{nextEnter()}};function unhandled(ctx){if(ctx.handled)return;var current;if(hashbang){current=base+location.hash.replace("#!","")}else{current=location.pathname+location.search}if(current===ctx.canonicalPath)return;page.stop();ctx.handled=false;location.href=ctx.canonicalPath}page.exit=function(path,fn){if(typeof path==="function"){return page.exit("*",path)}var route=new Route(path);for(var i=1;i<arguments.length;++i){page.exits.push(route.middleware(arguments[i]))}};function decodeURLEncodedURIComponent(val){if(typeof val!=="string"){return val}return decodeURLComponents?decodeURIComponent(val.replace(/\+/g," ")):val}function Context(path,state){if("/"===path[0]&&0!==path.indexOf(base))path=base+(hashbang?"#!":"")+path;var 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path=e.state.path;page.replace(path,e.state)}else{page.show(location.pathname+location.hash,undefined,undefined,false)}}}();function onclick(e){if(1!==which(e))return;if(e.metaKey||e.ctrlKey||e.shiftKey)return;if(e.defaultPrevented)return;var el=e.path?e.path[0]:e.target;while(el&&"A"!==el.nodeName)el=el.parentNode;if(!el||"A"!==el.nodeName)return;if(el.hasAttribute("download")||el.getAttribute("rel")==="external")return;var link=el.getAttribute("href");if(!hashbang&&el.pathname===location.pathname&&(el.hash||"#"===link))return;if(link&&link.indexOf("mailto:")>-1)return;if(el.target)return;if(!sameOrigin(el.href))return;var path=el.pathname+el.search+(el.hash||"");if(typeof process!=="undefined"&&path.match(/^\/[a-zA-Z]:\//)){path=path.replace(/^\/[a-zA-Z]:\//,"/")}var orig=path;if(path.indexOf(base)===0){path=path.substr(base.length)}if(hashbang)path=path.replace("#!","");if(base&&orig===path)return;e.preventDefault();page.show(orig)}function which(e){e=e||window.event;return 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isarray=require("isarray");module.exports=pathToRegexp;module.exports.parse=parse;module.exports.compile=compile;module.exports.tokensToFunction=tokensToFunction;module.exports.tokensToRegExp=tokensToRegExp;var PATH_REGEXP=new RegExp(["(\\\\.)","([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^()])+)\\))?|\\(((?:\\\\.|[^()])+)\\))([+*?])?|(\\*))"].join("|"),"g");function parse(str){var tokens=[];var key=0;var index=0;var path="";var res;while((res=PATH_REGEXP.exec(str))!=null){var m=res[0];var escaped=res[1];var offset=res.index;path+=str.slice(index,offset);index=offset+m.length;if(escaped){path+=escaped[1];continue}if(path){tokens.push(path);path=""}var prefix=res[2];var name=res[3];var capture=res[4];var group=res[5];var suffix=res[6];var asterisk=res[7];var repeat=suffix==="+"||suffix==="*";var optional=suffix==="?"||suffix==="*";var delimiter=prefix||"/";var pattern=capture||group||(asterisk?".*":"[^"+delimiter+"]+?");tokens.push({name:name||key++,prefix:prefix||"",delimiter:delimiter,optional:optional,repeat:repeat,pattern:escapeGroup(pattern)})}if(index<str.length){path+=str.substr(index)}if(path){tokens.push(path)}return tokens}function compile(str){return tokensToFunction(parse(str))}function tokensToFunction(tokens){var matches=new Array(tokens.length);for(var i=0;i<tokens.length;i++){if(typeof tokens[i]==="object"){matches[i]=new RegExp("^"+tokens[i].pattern+"$")}}return function(obj){var path="";var data=obj||{};for(var i=0;i<tokens.length;i++){var token=tokens[i];if(typeof token==="string"){path+=token;continue}var value=data[token.name];var segment;if(value==null){if(token.optional){continue}else{throw new TypeError('Expected "'+token.name+'" to be defined')}}if(isarray(value)){if(!token.repeat){throw new TypeError('Expected "'+token.name+'" to not repeat, but received "'+value+'"')}if(value.length===0){if(token.optional){continue}else{throw new TypeError('Expected "'+token.name+'" to not be empty')}}for(var j=0;j<value.length;j++){segment=encodeURIComponent(value[j]);if(!matches[i].test(segment)){throw new TypeError('Expected all "'+token.name+'" to match "'+token.pattern+'", but received "'+segment+'"')}path+=(j===0?token.prefix:token.delimiter)+segment}continue}segment=encodeURIComponent(value);if(!matches[i].test(segment)){throw new TypeError('Expected "'+token.name+'" to match "'+token.pattern+'", but received "'+segment+'"')}path+=token.prefix+segment}return path}}function escapeString(str){return str.replace(/([.+*?=^!:${}()[\]|\/])/g,"\\$1")}function escapeGroup(group){return group.replace(/([=!:$\/()])/g,"\\$1")}function attachKeys(re,keys){re.keys=keys;return re}function flags(options){return options.sensitive?"":"i"}function regexpToRegexp(path,keys){var groups=path.source.match(/\((?!\?)/g);if(groups){for(var i=0;i<groups.length;i++){keys.push({name:i,prefix:null,delimiter:null,optional:false,repeat:false,pattern:null})}}return attachKeys(path,keys)}function arrayToRegexp(path,keys,options){var parts=[];for(var i=0;i<path.length;i++){parts.push(pathToRegexp(path[i],keys,options).source)}var regexp=new RegExp("(?:"+parts.join("|")+")",flags(options));return attachKeys(regexp,keys)}function stringToRegexp(path,keys,options){var tokens=parse(path);var re=tokensToRegExp(tokens,options);for(var i=0;i<tokens.length;i++){if(typeof tokens[i]!=="string"){keys.push(tokens[i])}}return attachKeys(re,keys)}function tokensToRegExp(tokens,options){options=options||{};var strict=options.strict;var end=options.end!==false;var route="";var lastToken=tokens[tokens.length-1];var endsWithSlash=typeof lastToken==="string"&&/\/$/.test(lastToken);for(var i=0;i<tokens.length;i++){var token=tokens[i];if(typeof token==="string"){route+=escapeString(token)}else{var prefix=escapeString(token.prefix);var capture=token.pattern;if(token.repeat){capture+="(?:"+prefix+capture+")*"}if(token.optional){if(prefix){capture="(?:"+prefix+"("+capture+"))?"}else{capture="("+capture+")?"}}else{capture=prefix+"("+capture+")"}route+=capture}}if(!strict){route=(endsWithSlash?route.slice(0,-2):route)+"(?:\\/(?=$))?"}if(end){route+="$"}else{route+=strict&&endsWithSlash?"":"(?=\\/|$)"}return new RegExp("^"+route,flags(options))}function pathToRegexp(path,keys,options){keys=keys||[];if(!isarray(keys)){options=keys;keys=[]}else if(!options){options={}}if(path instanceof RegExp){return regexpToRegexp(path,keys,options)}if(isarray(path)){return arrayToRegexp(path,keys,options)}return stringToRegexp(path,keys,options)}},{isarray:4}],4:[function(require,module,exports){module.exports=Array.isArray||function(arr){return Object.prototype.toString.call(arr)=="[object Array]"}},{}]},{},[1])(1)});