xdate.js

/*
 XDate v0.8
 Docs & Licensing: http://arshaw.com/xdate/
*/
var XDate=function(g,n,A,p){function f(){var a=this instanceof f?this:new f,c=arguments,b=c.length,d;typeof c[b-1]=="boolean"&&(d=c[--b],c=q(c,0,b));if(b)if(b==1)if(b=c[0],b instanceof g||typeof b=="number")a[0]=new g(+b);else if(b instanceof f){var c=a,h=new g(+b[0]);if(l(b))h.toString=v;c[0]=h}else{if(typeof b=="string"){a[0]=new g(0);a:{for(var c=b,b=d||!1,h=f.parsers,w=0,e;w<h.length;w++)if(e=h[w](c,b,a)){a=e;break a}a[0]=new g(c)}}}else a[0]=new g(m.apply(g,c)),d||(a[0]=r(a[0]));else a[0]=new g;
typeof d=="boolean"&&B(a,d);return a}function l(a){return a[0].toString===v}function B(a,c,b){if(c){if(!l(a))b&&(a[0]=new g(m(a[0].getFullYear(),a[0].getMonth(),a[0].getDate(),a[0].getHours(),a[0].getMinutes(),a[0].getSeconds(),a[0].getMilliseconds()))),a[0].toString=v}else l(a)&&(a[0]=b?r(a[0]):new g(+a[0]));return a}function C(a,c,b,d,h){var e=k(j,a[0],h),a=k(D,a[0],h),h=!1;d.length==2&&typeof d[1]=="boolean"&&(h=d[1],d=[b]);b=c==1?(b%12+12)%12:e(1);a(c,d);h&&e(1)!=b&&(a(1,[e(1)-1]),a(2,[E(e(0),
e(1))]))}function F(a,c,b,d){var b=Number(b),h=n.floor(b);a["set"+o[c]](a["get"+o[c]]()+h,d||!1);h!=b&&c<6&&F(a,c+1,(b-h)*G[c],d)}function H(a,c,b){var a=a.clone().setUTCMode(!0,!0),c=f(c).setUTCMode(!0,!0),d=0;if(b==0||b==1){for(var h=6;h>=b;h--)d/=G[h],d+=j(c,!1,h)-j(a,!1,h);b==1&&(d+=(c.getFullYear()-a.getFullYear())*12)}else b==2?(b=a.toDate().setUTCHours(0,0,0,0),d=c.toDate().setUTCHours(0,0,0,0),d=n.round((d-b)/864E5)+(c-d-(a-b))/864E5):d=(c-a)/[36E5,6E4,1E3,1][b-3];return d}function s(a){var c=
a(0),b=a(1),d=a(2),a=new g(m(c,b,d)),c=t(I(c,b,d));return n.floor(n.round((a-c)/864E5)/7)+1}function I(a,c,b){c=new g(m(a,c,b));if(c<t(a))return a-1;else if(c>=t(a+1))return a+1;return a}function t(a){a=new g(m(a,0,4));a.setUTCDate(a.getUTCDate()-(a.getUTCDay()+6)%7);return a}function J(a,c,b,d){var h=k(j,a,d),e=k(D,a,d);b===p&&(b=I(h(0),h(1),h(2)));b=t(b);d||(b=r(b));a.setTime(+b);e(2,[h(2)+(c-1)*7])}function K(a,c,b,d,h){var e=f.locales,g=e[f.defaultLocale]||{},i=k(j,a,h),b=(typeof b=="string"?
e[b]:b)||{};return x(a,c,function(a){if(d)for(var b=(a==7?2:a)-1;b>=0;b--)d.push(i(b));return i(a)},function(a){return b[a]||g[a]},h)}function x(a,c,b,d,e){for(var f,g,i="";f=c.match(N);){i+=c.substr(0,f.index);if(f[1]){g=i;for(var i=a,j=f[1],l=b,m=d,n=e,k=j.length,o=void 0,q="";k>0;)o=O(i,j.substr(0,k),l,m,n),o!==p?(q+=o,j=j.substr(k),k=j.length):k--;i=g+(q+j)}else f[3]?(g=x(a,f[4],b,d,e),parseInt(g.replace(/\D/g,""),10)&&(i+=g)):i+=f[7]||"'";c=c.substr(f.index+f[0].length)}return i+c}function O(a,
c,b,d,e){var g=f.formatters[c];if(typeof g=="string")return x(a,g,b,d,e);else if(typeof g=="function")return g(a,e||!1,d);switch(c){case "fff":return i(b(6),3);case "s":return b(5);case "ss":return i(b(5));case "m":return b(4);case "mm":return i(b(4));case "h":return b(3)%12||12;case "hh":return i(b(3)%12||12);case "H":return b(3);case "HH":return i(b(3));case "d":return b(2);case "dd":return i(b(2));case "ddd":return d("dayNamesShort")[b(7)]||"";case "dddd":return d("dayNames")[b(7)]||"";case "M":return b(1)+
1;case "MM":return i(b(1)+1);case "MMM":return d("monthNamesShort")[b(1)]||"";case "MMMM":return d("monthNames")[b(1)]||"";case "yy":return(b(0)+"").substring(2);case "yyyy":return b(0);case "t":return u(b,d).substr(0,1).toLowerCase();case "tt":return u(b,d).toLowerCase();case "T":return u(b,d).substr(0,1);case "TT":return u(b,d);case "z":case "zz":case "zzz":return e?c="Z":(d=a.getTimezoneOffset(),a=d<0?"+":"-",b=n.floor(n.abs(d)/60),d=n.abs(d)%60,e=b,c=="zz"?e=i(b):c=="zzz"&&(e=i(b)+":"+i(d)),c=
a+e),c;case "w":return s(b);case "ww":return i(s(b));case "S":return c=b(2),c>10&&c<20?"th":["st","nd","rd"][c%10-1]||"th"}}function u(a,c){return a(3)<12?c("amDesignator"):c("pmDesignator")}function y(a){return!isNaN(+a[0])}function j(a,c,b){return a["get"+(c?"UTC":"")+o[b]]()}function D(a,c,b,d){a["set"+(c?"UTC":"")+o[b]].apply(a,d)}function r(a){return new g(a.getUTCFullYear(),a.getUTCMonth(),a.getUTCDate(),a.getUTCHours(),a.getUTCMinutes(),a.getUTCSeconds(),a.getUTCMilliseconds())}function E(a,
c){return 32-(new g(m(a,c,32))).getUTCDate()}function z(a){return function(){return a.apply(p,[this].concat(q(arguments)))}}function k(a){var c=q(arguments,1);return function(){return a.apply(p,c.concat(q(arguments)))}}function q(a,c,b){return A.prototype.slice.call(a,c||0,b===p?a.length:b)}function L(a,c){for(var b=0;b<a.length;b++)c(a[b],b)}function i(a,c){c=c||2;for(a+="";a.length<c;)a="0"+a;return a}var o="FullYear,Month,Date,Hours,Minutes,Seconds,Milliseconds,Day,Year".split(","),M=["Years",
"Months","Days"],G=[12,31,24,60,60,1E3,1],N=/(([a-zA-Z])\2*)|(\((('.*?'|\(.*?\)|.)*?)\))|('(.*?)')/,m=g.UTC,v=g.prototype.toUTCString,e=f.prototype;e.length=1;e.splice=A.prototype.splice;e.getUTCMode=z(l);e.setUTCMode=z(B);e.getTimezoneOffset=function(){return l(this)?0:this[0].getTimezoneOffset()};L(o,function(a,c){e["get"+a]=function(){return j(this[0],l(this),c)};c!=8&&(e["getUTC"+a]=function(){return j(this[0],!0,c)});c!=7&&(e["set"+a]=function(a){C(this,c,a,arguments,l(this));return this},c!=
8&&(e["setUTC"+a]=function(a){C(this,c,a,arguments,!0);return this},e["add"+(M[c]||a)]=function(a,d){F(this,c,a,d);return this},e["diff"+(M[c]||a)]=function(a){return H(this,a,c)}))});e.getWeek=function(){return s(k(j,this,!1))};e.getUTCWeek=function(){return s(k(j,this,!0))};e.setWeek=function(a,c){J(this,a,c,!1);return this};e.setUTCWeek=function(a,c){J(this,a,c,!0);return this};e.addWeeks=function(a){return this.addDays(Number(a)*7)};e.diffWeeks=function(a){return H(this,a,2)/7};f.parsers=[function(a,
c,b){if(a=a.match(/^(\d{4})(-(\d{2})(-(\d{2})([T ](\d{2}):(\d{2})(:(\d{2})(\.(\d+))?)?(Z|(([-+])(\d{2})(:?(\d{2}))?))?)?)?)?$/)){var d=new g(m(a[1],a[3]?a[3]-1:0,a[5]||1,a[7]||0,a[8]||0,a[10]||0,a[12]?Number("0."+a[12])*1E3:0));a[13]?a[14]&&d.setUTCMinutes(d.getUTCMinutes()+(a[15]=="-"?1:-1)*(Number(a[16])*60+(a[18]?Number(a[18]):0))):c||(d=r(d));return b.setTime(+d)}}];f.parse=function(a){return+f(""+a)};e.toString=function(a,c,b){return a===p||!y(this)?this[0].toString():K(this,a,c,b,l(this))};
e.toUTCString=e.toGMTString=function(a,c,b){return a===p||!y(this)?this[0].toUTCString():K(this,a,c,b,!0)};e.toISOString=function(){return this.toUTCString("yyyy-MM-dd'T'HH:mm:ss(.fff)zzz")};f.defaultLocale="";f.locales={"":{monthNames:"January,February,March,April,May,June,July,August,September,October,November,December".split(","),monthNamesShort:"Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec".split(","),dayNames:"Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday".split(","),dayNamesShort:"Sun,Mon,Tue,Wed,Thu,Fri,Sat".split(","),
amDesignator:"AM",pmDesignator:"PM"}};f.formatters={i:"yyyy-MM-dd'T'HH:mm:ss(.fff)",u:"yyyy-MM-dd'T'HH:mm:ss(.fff)zzz"};L("getTime,valueOf,toDateString,toTimeString,toLocaleString,toLocaleDateString,toLocaleTimeString,toJSON".split(","),function(a){e[a]=function(){return this[0][a]()}});e.setTime=function(a){this[0].setTime(a);return this};e.valid=z(y);e.clone=function(){return new f(this)};e.clearTime=function(){return this.setHours(0,0,0,0)};e.toDate=function(){return new g(+this[0])};f.now=function(){return+new g};
f.today=function(){return(new f).clearTime()};f.UTC=m;f.getDaysInMonth=E;if(typeof module!=="undefined"&&module.exports)module.exports=f;typeof define==="function"&&define.amd&&define([],function(){return f});return f}(Date,Math,Array);