67 lines
1.6 KiB
TypeScript
67 lines
1.6 KiB
TypeScript
import * as moment from 'moment'
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import * as React from 'react'
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import { AppState } from '../../reducers'
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import { connect } from 'react-redux'
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interface Props {
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date: Date
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overrideLocale?: string
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locale?: string
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intervalSince?: Date
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}
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const unitMapping = {
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s: 'seconds',
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m: 'minutes',
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h: 'hours',
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}
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class DateFormatter extends React.PureComponent<Props, {}> {
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private intervalSince(intervalSince: Date) {
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const interval = intervalSince.getTime() - this.props.date.getTime()
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const unit = this.unitForInterval(interval)
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return `${Math.round(moment.duration(interval).as(unit) * 100) / 100} ${unitMapping[unit]}`
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}
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private legacyDate() {
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return `${this.props.date.toLocaleDateString()} ${this.props.date.toLocaleTimeString()}`
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}
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private localizedDate(locale: string) {
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return moment(this.props.date)
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.locale(locale)
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.format('L LTS')
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}
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private unitForInterval(milliseconds: number) {
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const oneMinute = 1000 * 60
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const oneHour = oneMinute * 60
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if (milliseconds > oneHour * 2) {
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return 'h'
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}
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if (milliseconds > oneMinute * 2) {
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return 'm'
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}
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return 's'
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}
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public render() {
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const locale = this.props.overrideLocale || this.props.locale
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if (this.props.intervalSince) {
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return <span>{this.intervalSince(this.props.intervalSince)}</span>
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}
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return <span>{locale ? this.localizedDate(locale) : this.legacyDate()}</span>
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}
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}
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const mapStateToProps = (state: AppState) => {
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return {
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locale: state.settings.get('timeLocale'),
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}
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}
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export default connect(mapStateToProps)(DateFormatter)
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