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| 1 | +import { LineChart, ThemeProvider, jetpackTheme } from '@automattic/charts'; |
| 2 | +import { useTranslate } from 'i18n-calypso'; |
| 3 | +import { Moment } from 'moment'; |
| 4 | +import { useEffect, useState } from 'react'; |
| 5 | +import { withLocalizedMoment } from 'calypso/components/localized-moment'; |
| 6 | +import StatsEmptyState from '../../stats-empty-state'; |
| 7 | + |
| 8 | +const fixtureData = [ |
| 9 | + { |
| 10 | + label: 'Views', |
| 11 | + options: { |
| 12 | + stroke: '#069e08', |
| 13 | + }, |
| 14 | + data: [] as Array< { date: Date; value: number } >, |
| 15 | + }, |
| 16 | +]; |
| 17 | + |
| 18 | +function StatsLineChart( { |
| 19 | + chartData = null, |
| 20 | + height = 400, |
| 21 | + moment, |
| 22 | + EmptyState = StatsEmptyState, |
| 23 | +}: { |
| 24 | + chartData: Array< { |
| 25 | + label: string; |
| 26 | + options: object; |
| 27 | + data: Array< { date: Date; value: number } >; |
| 28 | + } > | null; |
| 29 | + height?: number; |
| 30 | + moment: Moment; |
| 31 | + EmptyState: typeof StatsEmptyState; |
| 32 | +} ) { |
| 33 | + const [ data, setData ] = useState( () => chartData || fixtureData ); |
| 34 | + const formatTime = ( value: number ) => { |
| 35 | + const date = new Date( value ); |
| 36 | + return new Date( date ).toLocaleTimeString( moment.locale(), { |
| 37 | + hour: '2-digit', |
| 38 | + minute: '2-digit', |
| 39 | + hour12: true, |
| 40 | + } ); |
| 41 | + }; |
| 42 | + const translate = useTranslate(); |
| 43 | + |
| 44 | + useEffect( () => { |
| 45 | + const intervalId = setInterval( () => { |
| 46 | + if ( fixtureData[ 0 ].data.length > 30 ) { |
| 47 | + fixtureData[ 0 ].data.pop(); |
| 48 | + } |
| 49 | + |
| 50 | + const date = new Date(); |
| 51 | + fixtureData[ 0 ].data.unshift( { date, value: Math.round( Math.random() * 60 ) } ); |
| 52 | + setData( [ ...fixtureData ] ); |
| 53 | + }, 60 * 1000 ); |
| 54 | + return () => clearInterval( intervalId ); |
| 55 | + }, [] ); |
| 56 | + |
| 57 | + return ( |
| 58 | + <div className="stats-line-chart"> |
| 59 | + { data?.[ 0 ]?.data?.length === 0 && ( |
| 60 | + <EmptyState |
| 61 | + headingText={ translate( 'Real-time views' ) } |
| 62 | + infoText={ translate( 'Collecting data… auto-refreshing in a minute…' ) } |
| 63 | + /> |
| 64 | + ) } |
| 65 | + <ThemeProvider theme={ jetpackTheme }> |
| 66 | + <LineChart |
| 67 | + data={ data } |
| 68 | + withTooltips |
| 69 | + withGradientFill |
| 70 | + height={ height } |
| 71 | + /** naturalCurve sometime goes off the grid :( */ |
| 72 | + margin={ { left: 15, top: 20, bottom: 20 } } |
| 73 | + options={ { axis: { x: { tickFormat: formatTime }, y: { orientation: 'right' } } } } |
| 74 | + /> |
| 75 | + </ThemeProvider> |
| 76 | + </div> |
| 77 | + ); |
| 78 | +} |
| 79 | + |
| 80 | +export default withLocalizedMoment( StatsLineChart ); |
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