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shadcn.io is an independent project built on shadcn/ui

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A stacked area chart for Ark UI

Mobile on the baseline and desktop stacked on top, both as smooth filled areas. The top edge is the monthly total.

Mobile sits on the baseline and desktop sits on top of it. Both are smooth filled areas. The top edge is the monthly total, and the tooltip lists both.

Use a stack when both the parts and the total should be visible. A 100% stack shows share instead of the count. For the rows, use a Table. In React, Ark UI does not put mobile under desktop. You stack both series.

Preview

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Installation

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Anatomy

Chart anatomy: container, grid, axis, bar, tooltip, legend

Usage

<div className="w-full max-w-xl rounded-md border bg-background p-4">
  <ChartContainer config={chartConfig}>
    <AreaChart
      accessibilityLayer
      data={chartData}
      margin={{
        left: 12,
        right: 12,
      }}
    >
      <CartesianGrid vertical={false} />
      <XAxis
        axisLine={false}
        dataKey="month"
        tickFormatter={formatMonth}
        tickLine={false}
        tickMargin={8}
      />
      <ChartTooltip content={renderTooltipContent} cursor={false} />
      <Area
        dataKey="mobile"
        fill="var(--color-mobile)"
        fillOpacity={0.4}
        stackId="a"
        stroke="var(--color-mobile)"
        type="natural"
      />
      <Area
        dataKey="desktop"
        fill="var(--color-desktop)"
        fillOpacity={0.4}
{/* The rest of the file is under Installation. */}

FAQ

How do the two areas stack?

Both Area components set stackId="a". Mobile is first, so it sits on the baseline. Desktop is second, so it sits on top of mobile. The top edge of the desktop band is the month's total. Each row in chartData has both mobile and desktop.

How is each band colored?

Mobile fills and strokes var(--color-mobile). Desktop fills and strokes var(--color-desktop). Both set fillOpacity={0.4} and type="natural". config maps the keys to var(--chart-2) and var(--chart-1), with the labels Mobile and Desktop.

What does the tooltip show for a month?

ChartTooltipContent sets indicator="dot". The title is the month, and the rows are Mobile and Desktop from config, each with its own value. cursor={false} on ChartTooltip turns the hover cursor off.

How are the month labels shortened?

XAxis uses dataKey="month" and tickFormatter={formatMonth}, which returns value.slice(0, 3). axisLine and tickLine are false, and tickMargin is 8. CartesianGrid sets vertical={false}.

Can I reach a point from the keyboard?

Yes. AreaChart sets accessibilityLayer, so the plotted points can take focus. The month tick and the series labels in config name each point. The margin is left: 12 and right: 12.

How tall is the chart?

ChartContainer has no size class, so it keeps the default 16:9 box. The frame is w-full max-w-xl. There is no ChartLegend in this file. The series names are in the tooltip.

API Reference

Chart

Sets config={chartConfig}, content={renderTooltipContent} and cursor={false}. The rest is on the Chart page.

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