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index.ts
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index.ts
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import dayjs from "dayjs";
import utc from "dayjs/plugin/utc";
import { stringify } from "query-string";
import { CalendarEvent, Google, Outlook, Yahoo } from "./interfaces";
import { TimeFormats } from './utils'
dayjs.extend(utc);
export const eventify = (event: CalendarEvent) => {
event.start = dayjs(event.start).toDate();
if (event.end == null) {
if (event.duration && event.duration.length) {
const duration = Number(event.duration[0]);
const unit = event.duration[1];
event.end = dayjs(event.start)
.add(duration, unit)
.toDate();
}
if (event.allDay) {
event.end = dayjs(event.start)
.add(1, "day")
.toDate();
}
}
return event;
};
export const google = (event: CalendarEvent) => {
event = eventify(event);
const format = event.allDay ? TimeFormats.allDay : TimeFormats.dateTimeUTC;
const start: string = dayjs(event.start)
.utc()
.format(format);
const end: string = dayjs(event.end)
.utc()
.format(format);
const details: Google = {
action: "TEMPLATE",
text: event.title,
details: event.description,
location: event.location,
trp: event.busy,
dates: start + "/" + end
};
if (event.guests && event.guests.length) {
details.add = event.guests.join();
}
return `https://calendar.google.com/calendar/render?${stringify(details)}`;
};
export const outlook = (event: CalendarEvent) => {
event = eventify(event);
const format = event.allDay ? TimeFormats.allDay : TimeFormats.dateTime;
const start: string = dayjs(event.start)
.utc()
.format(format);
const end: string = dayjs(event.end)
.utc()
.format(format);
const details: Outlook = {
path: "/calendar/action/compose",
rru: "addevent",
startdt: start,
enddt: end,
subject: event.title,
body: event.description,
location: event.location
};
return `https://outlook.live.com/owa/?${stringify(details)}`;
};
export const yahoo = (event: CalendarEvent) => {
event = eventify(event);
const format = event.allDay ? TimeFormats.allDay : TimeFormats.dateTimeUTC;
const start: string = dayjs(event.start)
.utc()
.format(format);
const end: string = dayjs(event.end)
.utc()
.format(format);
const details: Yahoo = {
v: 60,
title: event.title,
st: start,
et: end,
desc: event.description,
in_loc: event.location
};
return `https://calendar.yahoo.com/?${stringify(details)}`;
};
export const ics = (event: CalendarEvent) => {
event = eventify(event);
const formattedDescription: string = (event.description || "")
.replace(/\n/gm, "\\n")
.replace(/(\\n)[\s\t]+/gm, "\\n");
const format = event.allDay ? TimeFormats.allDay : TimeFormats.dateTimeUTC;
const start: string = dayjs(event.start)
.utc()
.format(format);
const end: string = dayjs(event.end)
.utc()
.format(format);
const calendarChunks = [
{
key: 'BEGIN',
value: 'VCALENDAR'
},
{
key: 'VERSION',
value: '2.0'
},
{
key: 'BEGIN',
value: 'VEVENT'
},
{
key: 'URL',
value: document.URL
},
{
key: 'DTSTART',
value: start
},
{
key: 'DTEND',
value: end
},
{
key: 'SUMMARY',
value: event.title
},
{
key: 'DESCRIPTION',
value: formattedDescription
},
{
key: 'LOCATION',
value: event.location
},
{
key: 'END',
value: 'VEVENT'
},
{
key: 'END',
value: 'VCALENDAR'
},
];
let calendarUrl: string = '';
calendarChunks.forEach(chunk => {
if(chunk.value) {
calendarUrl += `${chunk.key}:${encodeURIComponent(`${chunk.value}\n`)}`;
}
});
return `data:text/calendar;charset=utf8,${calendarUrl}`;
};