ics.min.js

/*! ics.js Mon Aug 18 2014 20:11:18 */
var ics=function(){"use strict";if(navigator.userAgent.indexOf("MSIE")>-1&&-1==navigator.userAgent.indexOf("MSIE 10"))return void console.log("Unsupported Browser");var a=-1!==navigator.appVersion.indexOf("Win")?"\r\n":"\n",b=[],c=["BEGIN:VCALENDAR","VERSION:2.0"].join(a),d=a+"END:VCALENDAR";return{events:function(){return b},calendar:function(){return c+a+b.join(a)+d},addEvent:function(c,d,e,f,g,h){if("undefined"==typeof c||"undefined"==typeof d||"undefined"==typeof e||"undefined"==typeof f||"undefined"==typeof g)return!1;if(h&&!h.rule){if("YEARLY"!==h.freq&&"MONTHLY"!==h.freq&&"WEEKLY"!==h.freq&&"DAILY"!==h.freq)throw"Recurrence rule frequency must be provided and be one of the following: 'YEARLY', 'MONTHLY', 'WEEKLY', or 'DAILY'";if(h.until&&isNaN(Date.parse(h.until)))throw"Recurrence rule 'until' must be a valid date string";if(h.interval&&isNaN(parseInt(h.interval)))throw"Recurrence rule 'interval' must be an integer";if(h.count&&isNaN(parseInt(h.count)))throw"Recurrence rule 'count' must be an integer"}var i=new Date(f),j=new Date(g),k=("0000"+i.getFullYear().toString()).slice(-4),l=("00"+(i.getMonth()+1).toString()).slice(-2),m=("00"+i.getDate().toString()).slice(-2),n=("00"+i.getHours().toString()).slice(-2),o=("00"+i.getMinutes().toString()).slice(-2),p=("00"+i.getMinutes().toString()).slice(-2),q=("0000"+j.getFullYear().toString()).slice(-4),r=("00"+(j.getMonth()+1).toString()).slice(-2),s=("00"+j.getDate().toString()).slice(-2),t=("00"+j.getHours().toString()).slice(-2),u=("00"+j.getMinutes().toString()).slice(-2),v=("00"+j.getMinutes().toString()).slice(-2),w="",x="";o+p+u+v!==0&&(w="T"+n+o+p,x="T"+t+u+v);var y,z=k+l+m+w,A=q+r+s+x;if(h)if(h.rule)y=h.rule;else{if(y="RRULE:FREQ="+h.freq,h.until){var B=new Date(Date.parse(h.until)).toISOString();y+=";UNTIL="+B.substring(0,B.length-13).replace(/[-]/g,"")+"000000Z"}h.interval&&(y+=";INTERVAL="+h.interval),h.count&&(y+=";COUNT="+h.count)}var C=["BEGIN:VEVENT","CLASS:PUBLIC","DESCRIPTION:"+d,"DTSTART;VALUE=DATE:"+z,"DTEND;VALUE=DATE:"+A,"LOCATION:"+e,"SUMMARY;LANGUAGE=en-us:"+c,"TRANSP:TRANSPARENT","END:VEVENT"];return y&&C.splice(4,0,y),C=C.join(a),b.push(C),C},download:function(e,f){if(b.length<1)return!1;f="undefined"!=typeof f?f:".ics",e="undefined"!=typeof e?e:"calendar";var g,h=c+a+b.join(a)+d;if(-1===navigator.userAgent.indexOf("MSIE 10"))g=new Blob([h]);else{var i=new BlobBuilder;i.append(h),g=i.getBlob("text/x-vCalendar;charset="+document.characterSet)}return saveAs(g,e+f),h}}};