owncast/web/pages/components/chart.tsx
2020-10-28 00:53:24 -07:00

75 lines
1.7 KiB
TypeScript

import { LineChart, XAxis, YAxis, Line, Tooltip, Legend } from "recharts";
import { timeFormat } from "d3-time-format";
interface ToolTipProps {
active?: boolean,
payload?: object,
};
const defaultProps = {
active: false,
payload: {},
};
interface ChartProps {
data: number,
color: string,
unit: string,
}
function CustomizedTooltip(props: ToolTipProps) {
const { active, payload } = props;
if (active && payload && payload[0]) {
const time = payload[0].payload
? timeFormat("%I:%M")(new Date(payload[0].payload.time), {
nearestTo: 1,
})
: "";
return (
<div className="custom-tooltip">
<p className="label">
<strong>{time}</strong> {payload[0].payload.value} %
</p>
</div>
);
}
return null;
}
CustomizedTooltip.defaultProps = defaultProps;
export default function Chart({ data, color, unit }: ChartProps) {
const timeFormatter = (tick: string) => {
return timeFormat("%I:%M")(new Date(tick), {
nearestTo: 1,
});
};
return (
<LineChart width={1200} height={400} data={data}>
<XAxis
dataKey="time"
// type="number"
tickFormatter={timeFormatter}
interval="preserveStartEnd"
tickCount={5}
minTickGap={15}
domain={["dataMin", "dataMax"]}
/>
<YAxis
dataKey="value"
interval="preserveStartEnd"
unit={unit}
domain={["dataMin", "dataMax"]}
/>
<Tooltip content={<CustomizedTooltip />} />
<Legend />
<Line
type="monotone"
dataKey="value"
stroke={color}
dot={null}
strokeWidth={3}
/>
</LineChart>
);
}