grafana/common/lib/date.js

/**
 * @version: 1.0 Alpha-1
 * @author: Coolite Inc. http://www.coolite.com/
 * @date: 2008-05-13
 * @copyright: Copyright (c) 2006-2008, Coolite Inc. (http://www.coolite.com/). All rights reserved.
 * @license: Licensed under The MIT License. See license.txt and http://www.datejs.com/license/.
 * @website: http://www.datejs.com/
 */
(function(){var $D=Date,$P=$D.prototype,$C=$D.CultureInfo,p=function(s,l){if(!l){l=2;}
return("000"+s).slice(l*-1);};$P.clearTime=function(){this.setHours(0);this.setMinutes(0);this.setSeconds(0);this.setMilliseconds(0);return this;};$P.setTimeToNow=function(){var n=new Date();this.setHours(n.getHours());this.setMinutes(n.getMinutes());this.setSeconds(n.getSeconds());this.setMilliseconds(n.getMilliseconds());return this;};$D.today=function(){return new Date().clearTime();};$D.compare=function(date1,date2){if(isNaN(date1)||isNaN(date2)){throw new Error(date1+" - "+date2);}else if(date1 instanceof Date&&date2 instanceof Date){return(date1<date2)?-1:(date1>date2)?1:0;}else{throw new TypeError(date1+" - "+date2);}};$D.equals=function(date1,date2){return(date1.compareTo(date2)===0);};$D.getDayNumberFromName=function(name){var n=$C.dayNames,m=$C.abbreviatedDayNames,o=$C.shortestDayNames,s=name.toLowerCase();for(var i=0;i<n.length;i++){if(n[i].toLowerCase()==s||m[i].toLowerCase()==s||o[i].toLowerCase()==s){return i;}}
return-1;};$D.getMonthNumberFromName=function(name){var n=$C.monthNames,m=$C.abbreviatedMonthNames,s=name.toLowerCase();for(var i=0;i<n.length;i++){if(n[i].toLowerCase()==s||m[i].toLowerCase()==s){return i;}}
return-1;};$D.isLeapYear=function(year){return((year%4===0&&year%100!==0)||year%400===0);};$D.getDaysInMonth=function(year,month){return[31,($D.isLeapYear(year)?29:28),31,30,31,30,31,31,30,31,30,31][month];};$D.getTimezoneAbbreviation=function(offset){var z=$C.timezones,p;for(var i=0;i<z.length;i++){if(z[i].offset===offset){return z[i].name;}}
return null;};$D.getTimezoneOffset=function(name){var z=$C.timezones,p;for(var i=0;i<z.length;i++){if(z[i].name===name.toUpperCase()){return z[i].offset;}}
return null;};$P.clone=function(){return new Date(this.getTime());};$P.compareTo=function(date){return Date.compare(this,date);};$P.equals=function(date){return Date.equals(this,date||new Date());};$P.between=function(start,end){return this.getTime()>=start.getTime()&&this.getTime()<=end.getTime();};$P.isAfter=function(date){return this.compareTo(date||new Date())===1;};$P.isBefore=function(date){return(this.compareTo(date||new Date())===-1);};$P.isToday=function(){return this.isSameDay(new Date());};$P.isSameDay=function(date){return this.clone().clearTime().equals(date.clone().clearTime());};$P.addMilliseconds=function(value){this.setMilliseconds(this.getMilliseconds()+value);return this;};$P.addSeconds=function(value){return this.addMilliseconds(value*1000);};$P.addMinutes=function(value){return this.addMilliseconds(value*60000);};$P.addHours=function(value){return this.addMilliseconds(value*3600000);};$P.addDays=function(value){this.setDate(this.getDate()+value);return this;};$P.addWeeks=function(value){return this.addDays(value*7);};$P.addMonths=function(value){var n=this.getDate();this.setDate(1);this.setMonth(this.getMonth()+value);this.setDate(Math.min(n,$D.getDaysInMonth(this.getFullYear(),this.getMonth())));return this;};$P.addYears=function(value){return this.addMonths(value*12);};$P.add=function(config){if(typeof config=="number"){this._orient=config;return this;}
var x=config;if(x.milliseconds){this.addMilliseconds(x.milliseconds);}
if(x.seconds){this.addSeconds(x.seconds);}
if(x.minutes){this.addMinutes(x.minutes);}
if(x.hours){this.addHours(x.hours);}
if(x.weeks){this.addWeeks(x.weeks);}
if(x.months){this.addMonths(x.months);}
if(x.years){this.addYears(x.years);}
if(x.days){this.addDays(x.days);}
return this;};var $y,$m,$d;$P.getWeek=function(){var a,b,c,d,e,f,g,n,s,w;$y=(!$y)?this.getFullYear():$y;$m=(!$m)?this.getMonth()+1:$m;$d=(!$d)?this.getDate():$d;if($m<=2){a=$y-1;b=(a/4|0)-(a/100|0)+(a/400|0);c=((a-1)/4|0)-((a-1)/100|0)+((a-1)/400|0);s=b-c;e=0;f=$d-1+(31*($m-1));}else{a=$y;b=(a/4|0)-(a/100|0)+(a/400|0);c=((a-1)/4|0)-((a-1)/100|0)+((a-1)/400|0);s=b-c;e=s+1;f=$d+((153*($m-3)+2)/5)+58+s;}
g=(a+b)%7;d=(f+g-e)%7;n=(f+3-d)|0;if(n<0){w=53-((g-s)/5|0);}else if(n>364+s){w=1;}else{w=(n/7|0)+1;}
$y=$m=$d=null;return w;};$P.getISOWeek=function(){$y=this.getUTCFullYear();$m=this.getUTCMonth()+1;$d=this.getUTCDate();return p(this.getWeek());};$P.setWeek=function(n){return this.moveToDayOfWeek(1).addWeeks(n-this.getWeek());};$D._validate=function(n,min,max,name){if(typeof n=="undefined"){return false;}else if(typeof n!="number"){throw new TypeError(n+" is not a Number.");}else if(n<min||n>max){throw new RangeError(n+" is not a valid value for "+name+".");}
return true;};$D.validateMillisecond=function(value){return $D._validate(value,0,999,"millisecond");};$D.validateSecond=function(value){return $D._validate(value,0,59,"second");};$D.validateMinute=function(value){return $D._validate(value,0,59,"minute");};$D.validateHour=function(value){return $D._validate(value,0,23,"hour");};$D.validateDay=function(value,year,month){return $D._validate(value,1,$D.getDaysInMonth(year,month),"day");};$D.validateMonth=function(value){return $D._validate(value,0,11,"month");};$D.validateYear=function(value){return $D._validate(value,0,9999,"year");};$P.set=function(config){if($D.validateMillisecond(config.millisecond)){this.addMilliseconds(config.millisecond-this.getMilliseconds());}
if($D.validateSecond(config.second)){this.addSeconds(config.second-this.getSeconds());}
if($D.validateMinute(config.minute)){this.addMinutes(config.minute-this.getMinutes());}
if($D.validateHour(config.hour)){this.addHours(config.hour-this.getHours());}
if($D.validateMonth(config.month)){this.addMonths(config.month-this.getMonth());}
if($D.validateYear(config.year)){this.addYears(config.year-this.getFullYear());}
if($D.validateDay(config.day,this.getFullYear(),this.getMonth())){this.addDays(config.day-this.getDate());}
if(config.timezone){this.setTimezone(config.timezone);}
if(config.timezoneOffset){this.setTimezoneOffset(config.timezoneOffset);}
if(config.week&&$D._validate(config.week,0,53,"week")){this.setWeek(config.week);}
return this;};$P.moveToFirstDayOfMonth=function(){return this.set({day:1});};$P.moveToLastDayOfMonth=function(){return this.set({day:$D.getDaysInMonth(this.getFullYear(),this.getMonth())});};$P.moveToNthOccurrence=function(dayOfWeek,occurrence){var shift=0;if(occurrence>0){shift=occurrence-1;}
else if(occurrence===-1){this.moveToLastDayOfMonth();if(this.getDay()!==dayOfWeek){this.moveToDayOfWeek(dayOfWeek,-1);}
return this;}
return this.moveToFirstDayOfMonth().addDays(-1).moveToDayOfWeek(dayOfWeek,+1).addWeeks(shift);};$P.moveToDayOfWeek=function(dayOfWeek,orient){var diff=(dayOfWeek-this.getDay()+7*(orient||+1))%7;return this.addDays((diff===0)?diff+=7*(orient||+1):diff);};$P.moveToMonth=function(month,orient){var diff=(month-this.getMonth()+12*(orient||+1))%12;return this.addMonths((diff===0)?diff+=12*(orient||+1):diff);};$P.getOrdinalNumber=function(){return Math.ceil((this.clone().clearTime()-new Date(this.getFullYear(),0,1))/86400000)+1;};$P.getTimezone=function(){return $D.getTimezoneAbbreviation(this.getUTCOffset());};$P.setTimezoneOffset=function(offset){var here=this.getTimezoneOffset(),there=Number(offset)*-6/10;return this.addMinutes(there-here);};$P.setTimezone=function(offset){return this.setTimezoneOffset($D.getTimezoneOffset(offset));};$P.hasDaylightSavingTime=function(){return(Date.today().set({month:0,day:1}).getTimezoneOffset()!==Date.today().set({month:6,day:1}).getTimezoneOffset());};$P.isDaylightSavingTime=function(){return(this.hasDaylightSavingTime()&&new Date().getTimezoneOffset()===Date.today().set({month:6,day:1}).getTimezoneOffset());};$P.getUTCOffset=function(){var n=this.getTimezoneOffset()*-10/6,r;if(n<0){r=(n-10000).toString();return r.charAt(0)+r.substr(2);}else{r=(n+10000).toString();return"+"+r.substr(1);}};$P.getElapsed=function(date){return(date||new Date())-this;};if(!$P.toISOString){$P.toISOString=function(){function f(n){return n<10?'0'+n:n;}
return'"'+this.getUTCFullYear()+'-'+
f(this.getUTCMonth()+1)+'-'+
f(this.getUTCDate())+'T'+
f(this.getUTCHours())+':'+
f(this.getUTCMinutes())+':'+
f(this.getUTCSeconds())+'Z"';};}
$P._toString=$P.toString;$P.toString=function(format){var x=this;if(format&&format.length==1){var c=$C.formatPatterns;x.t=x.toString;switch(format){case"d":return x.t(c.shortDate);case"D":return x.t(c.longDate);case"F":return x.t(c.fullDateTime);case"m":return x.t(c.monthDay);case"r":return x.t(c.rfc1123);case"s":return x.t(c.sortableDateTime);case"t":return x.t(c.shortTime);case"T":return x.t(c.longTime);case"u":return x.t(c.universalSortableDateTime);case"y":return x.t(c.yearMonth);}}
var ord=function(n){switch(n*1){case 1:case 21:case 31:return"st";case 2:case 22:return"nd";case 3:case 23:return"rd";default:return"th";}};return format?format.replace(/(\\)?(dd?d?d?|MM?M?M?|yy?y?y?|hh?|HH?|mm?|ss?|tt?|S)/g,function(m){if(m.charAt(0)==="\\"){return m.replace("\\","");}
x.h=x.getHours;switch(m){case"hh":return p(x.h()<13?(x.h()===0?12:x.h()):(x.h()-12));case"h":return x.h()<13?(x.h()===0?12:x.h()):(x.h()-12);case"HH":return p(x.h());case"H":return x.h();case"mm":return p(x.getMinutes());case"m":return x.getMinutes();case"ss":return p(x.getSeconds());case"s":return x.getSeconds();case"yyyy":return p(x.getFullYear(),4);case"yy":return p(x.getFullYear());case"dddd":return $C.dayNames[x.getDay()];case"ddd":return $C.abbreviatedDayNames[x.getDay()];case"dd":return p(x.getDate());case"d":return x.getDate();case"MMMM":return $C.monthNames[x.getMonth()];case"MMM":return $C.abbreviatedMonthNames[x.getMonth()];case"MM":return p((x.getMonth()+1));case"M":return x.getMonth()+1;case"t":return x.h()<12?$C.amDesignator.substring(0,1):$C.pmDesignator.substring(0,1);case"tt":return x.h()<12?$C.amDesignator:$C.pmDesignator;case"S":return ord(x.getDate());default:return m;}}):this._toString();};}());