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107 lines
2.5 KiB
TypeScript

import * as React from 'react';
import * as ICAL from 'ical.js';
import moment from 'moment';
// Generic handling of input changes
export function handleInputChange(self: React.Component, part?: string) {
return (event: React.ChangeEvent<any>) => {
const name = event.target.name;
const value = event.target.value;
let newState;
if (event.target.type === 'checkbox') {
newState = {
[name]: event.target.checked,
};
} else {
newState = {
[name]: value,
};
}
if (part === undefined) {
self.setState(newState);
} else {
self.setState({
[part]: {
...self.state[part],
...newState,
},
});
}
};
}
export function insertSorted<T>(array: T[] = [], newItem: T, key: string) {
if (array.length === 0) {
return [newItem];
}
for (let i = 0, len = array.length; i < len; i++) {
if (newItem[key] < array[i][key]) {
array.splice(i, 0, newItem);
return array;
}
}
array.push(newItem);
return array;
}
const allDayFormat = 'dddd, LL';
const fullFormat = 'LLLL';
export function formatDate(date: ICAL.Time) {
const mDate = moment(date.toJSDate());
if (date.isDate) {
return mDate.format(allDayFormat);
} else {
return mDate.format(fullFormat);
}
}
export function formatDateRange(start: ICAL.Time, end: ICAL.Time) {
const mStart = moment(start.toJSDate());
const mEnd = moment(end.toJSDate());
let strStart;
let strEnd;
// All day
if (start.isDate) {
if (mEnd.diff(mStart, 'days', true) === 1) {
return mStart.format(allDayFormat);
} else {
strStart = mStart.format(allDayFormat);
strEnd = mEnd.clone().subtract(1, 'day').format(allDayFormat);
}
} else if (mStart.isSame(mEnd, 'day')) {
strStart = mStart.format(fullFormat);
strEnd = mEnd.format('LT');
if (mStart.isSame(mEnd)) {
return strStart;
}
} else {
strStart = mStart.format(fullFormat);
strEnd = mEnd.format(fullFormat);
}
return strStart + ' - ' + strEnd;
}
export function formatOurTimezoneOffset() {
let offset = new Date().getTimezoneOffset();
const prefix = (offset > 0) ? '-' : '+';
offset = Math.abs(offset);
const hours = Math.floor(offset / 60);
const minutes = offset % 60;
return `GMT${prefix}${hours.toString().padStart(2, '0')}:${minutes.toString().padStart(2, '0')}`;
}
export function getCurrentTimezone() {
return Intl.DateTimeFormat().resolvedOptions().timeZone;
}