120 lines
3 KiB
JavaScript
120 lines
3 KiB
JavaScript
// @flow
|
|
import React from 'react';
|
|
import moment from 'moment';
|
|
|
|
const DEFAULT_MIN_UPDATE_DELTA_MS = 60 * 1000;
|
|
|
|
type Props = {
|
|
date?: any,
|
|
timeAgo?: boolean,
|
|
formatOptions?: {},
|
|
show?: string,
|
|
clock24h?: boolean,
|
|
minUpdateDeltaMs?: number,
|
|
};
|
|
|
|
type State = {
|
|
lastRenderTime: Date,
|
|
};
|
|
|
|
class DateTime extends React.Component<Props, State> {
|
|
constructor(props: Props) {
|
|
super(props);
|
|
this.state = {
|
|
lastRenderTime: new Date(),
|
|
};
|
|
}
|
|
|
|
static SHOW_DATE = 'date';
|
|
static SHOW_TIME = 'time';
|
|
|
|
static getTimeAgoStr(date: any) {
|
|
const suffixList = ['years', 'months', 'days', 'hours', 'minutes', 'seconds', ''];
|
|
var duration = 0;
|
|
|
|
for (var i = 0; i < suffixList.length; ++i) {
|
|
// moment() is very liberal with it's rounding.
|
|
// Always round down dates for better youtube parity.
|
|
duration = Math.floor(moment().diff(date, suffixList[i]));
|
|
if (duration > 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (i === suffixList.length) {
|
|
// This should never happen since we are handling up to 'seconds' now,
|
|
// but display the English version just in case it does.
|
|
return moment(date).from(moment());
|
|
}
|
|
|
|
// Strip off the 's' for the singular suffix, construct the string ID,
|
|
// then load the localized version.
|
|
const suffix = duration === 1 ? suffixList[i].substr(0, suffixList[i].length - 1) : suffixList[i];
|
|
let strId = '%duration% ' + suffix + ' ago';
|
|
|
|
if (!suffix) {
|
|
strId = 'Just now';
|
|
}
|
|
|
|
return __(strId, { duration });
|
|
}
|
|
|
|
shouldComponentUpdate(nextProps: Props): boolean {
|
|
if (
|
|
moment(this.props.date).diff(moment(nextProps.date)) !== 0 ||
|
|
this.props.clock24h !== nextProps.clock24h ||
|
|
this.props.timeAgo !== nextProps.timeAgo ||
|
|
this.props.minUpdateDeltaMs !== nextProps.minUpdateDeltaMs ||
|
|
this.props.show !== nextProps.show
|
|
) {
|
|
return true;
|
|
}
|
|
|
|
if (this.props.timeAgo && nextProps.timeAgo) {
|
|
const minUpdateDeltaMs = this.props.minUpdateDeltaMs || DEFAULT_MIN_UPDATE_DELTA_MS;
|
|
const prev = moment(this.state.lastRenderTime);
|
|
const curr = moment(new Date());
|
|
const deltaMs = curr.diff(prev);
|
|
|
|
if (deltaMs > minUpdateDeltaMs) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
componentDidUpdate() {
|
|
const { timeAgo } = this.props;
|
|
if (timeAgo) {
|
|
this.setState({ lastRenderTime: new Date() });
|
|
}
|
|
}
|
|
|
|
render() {
|
|
const { date, timeAgo, show, clock24h } = this.props;
|
|
|
|
let clockFormat = 'hh:mm A';
|
|
if (clock24h) {
|
|
clockFormat = 'HH:mm';
|
|
}
|
|
|
|
if (timeAgo) {
|
|
if (!date) {
|
|
return null;
|
|
}
|
|
|
|
return <span title={moment(date).format(`MMMM Do, YYYY ${clockFormat}`)}>{DateTime.getTimeAgoStr(date)}</span>;
|
|
}
|
|
|
|
return (
|
|
<span>
|
|
{date && show === DateTime.SHOW_DATE && moment(date).format('MMMM Do, YYYY')}
|
|
{date && show === DateTime.SHOW_TIME && moment(date).format(clockFormat)}
|
|
{!date && '...'}
|
|
</span>
|
|
);
|
|
}
|
|
}
|
|
|
|
export default DateTime;
|