supabase/apps/design-system/registry/default/block/chart-line-label.tsx

'use client'

import { TrendingUp } from 'lucide-react'
import { CartesianGrid, LabelList, Line, LineChart, XAxis } from 'recharts'

import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from 'ui'
import { ChartConfig, ChartContainer, ChartTooltip, ChartTooltipContent } from 'ui'

export const description = 'A line chart with a label'

const chartData = [
  { month: 'January', desktop: 186, mobile: 80 },
  { month: 'February', desktop: 305, mobile: 200 },
  { month: 'March', desktop: 237, mobile: 120 },
  { month: 'April', desktop: 73, mobile: 190 },
  { month: 'May', desktop: 209, mobile: 130 },
  { month: 'June', desktop: 214, mobile: 140 },
]

const chartConfig = {
  desktop: {
    label: 'Desktop',
    color: 'hsl(var(--chart-1))',
  },
  mobile: {
    label: 'Mobile',
    color: 'hsl(var(--chart-2))',
  },
} satisfies ChartConfig

export default function Component() {
  return (
    <Card>
      <CardHeader>
        <CardTitle>Line Chart - Label</CardTitle>
        <CardDescription>January - June 2024</CardDescription>
      </CardHeader>
      <CardContent>
        <ChartContainer config={chartConfig}>
          <LineChart
            accessibilityLayer
            data={chartData}
            margin={{
              top: 20,
              left: 12,
              right: 12,
            }}
          >
            <CartesianGrid vertical={false} />
            <XAxis
              dataKey="month"
              tickLine={false}
              axisLine={false}
              tickMargin={8}
              tickFormatter={(value) => value.slice(0, 3)}
            />
            <ChartTooltip cursor={false} content={<ChartTooltipContent indicator="line" />} />
            <Line
              dataKey="desktop"
              type="natural"
              stroke="var(--color-desktop)"
              strokeWidth={2}
              dot={{
                fill: 'var(--color-desktop)',
              }}
              activeDot={{
                r: 6,
              }}
            >
              <LabelList position="top" offset={12} className="fill-foreground" fontSize={12} />
            </Line>
          </LineChart>
        </ChartContainer>
      </CardContent>
      <CardFooter className="flex-col items-start gap-2 text-sm">
        <div className="flex gap-2 font-medium leading-none">
          Trending up by 5.2% this month <TrendingUp className="h-4 w-4" />
        </div>
        <div className="leading-none text-muted-foreground">
          Showing total visitors for the last 6 months
        </div>
      </CardFooter>
    </Card>
  )
}