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Composed Chart with Stacked Bars

Two bar series stacked into one column per day, with a small gap between the segments. For React with TanStack Charts, in your shadcn/ui theme: the live chart, its code and a one-line install.

Charting library: TanStack Charts

Preview

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Installation

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Usage

import { ChartComposedStacked } from "@/components/charts/chart-composed-stacked";
<ChartComposedStacked />

API Reference

ComposedChart

PropType
dataChartDatum[]

The rows to plot. Each row holds the x value under xDataKey and one number per series under that series' dataKey.

xDataKey?string

Key of the x value in each row. The value must be a Date (or something new Date() accepts).

Default
"date"
animationDuration?number

Duration of the entrance in milliseconds. enterTransition.duration overrides it.

Default
1100
margin?Partial<ChartMargin>

Space around the plot area in pixels. Missing sides use the default.

Type
Partial<ChartMargin>
Default
{ top: 40, right: 40, bottom: 40, left: 40 }
aspectRatio?string

CSS aspect ratio of the chart, as "width / height".

Default
"2 / 1"
className?string

Extra CSS class name for the chart container.

onPhaseChange?(phase: ChartPhase) => void

Called with "ready" when the chart mounts.

Type
(phase: ChartPhase) => void
barSize?number

Target SeriesBar width in px. When unset, bars size to the available space.

maxBarSize?number

Maximum SeriesBar width in px.

barGap?number

Gap between the grouped SeriesBar columns in px.

Default
4
stacked?boolean

Stack the SeriesBar segments in child order instead of grouping them.

Default
false
stackGap?number

Vertical gap between stacked segments in px.

Default
0
animationEasing?string

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts. The entrance always uses the default tween ease.

enterTransition?EnterTransition

Overrides the entrance duration (duration is in seconds, as in bklit-ui). Springs are treated as the default tween.

revealSignature?string

Changing this string replays the entrance animation.

childrenReactNode

The layers to draw: SeriesBar, Line, Area, Grid, XAxis, YAxis, ChartTooltip and the other chart children.

ariaLabel?string

Accessible name of the chart.

Default
"Composed chart"
ariaDescription?string

Longer accessible description of the chart, exposed as aria-description.

Grid

PropType
horizontal?boolean

Show horizontal grid lines.

Default
true
vertical?boolean

Show vertical grid lines.

Default
false
numTicksRows?number

Number of horizontal grid lines. Ignored when rowTickValues is set.

Default
5
numTicksColumns?number

Number of vertical grid lines.

Default
10
rowTickValues?number[]

Explicit y values for the horizontal grid lines. Overrides numTicksRows.

stroke?string

Color of the grid lines.

Default
"var(--chart-grid)"
loadingStroke?string

Grid color while the chart is loading. Falls back to stroke.

strokeOpacity?number

Opacity of the grid lines.

Default
1
strokeWidth?number

Width of the grid lines in px.

Default
1
strokeDasharray?string

Dash pattern of the grid lines.

Default
"4,4"
highlightRowValues?number[]

Y values of horizontal lines drawn with the highlight styling, for example a zero baseline.

highlightRowStroke?string

Color of the highlighted rows.

Default
"var(--chart-foreground-muted)"
highlightRowStrokeOpacity?number

Opacity of the highlighted rows.

Default
1
highlightRowStrokeWidth?number

Width of the highlighted rows in px.

Default
1
highlightRowStrokeDasharray?string

Dash pattern of the highlighted rows.

Default
"0"
fadeHorizontal?boolean

Fade the horizontal lines toward transparent at the left and right edges.

Default
true
fadeVertical?boolean

Fade the vertical lines toward transparent at the top and bottom edges.

Default
false
hideHorizontalEdgeLines?boolean

Drop the first and last horizontal line (kept when two or fewer remain).

Default
false
hideVerticalEdgeLines?boolean

Drop the first and last vertical line (kept when two or fewer remain).

Default
false
yAxisId?string | number

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts. The grid follows the primary (left) y scale.

Type
string | number
shimmer?boolean

While the chart is loading, sweep a bright band across the grid.

Default
false
shimmerStroke?string

Color of the shimmer band.

Default
"color-mix(in oklch, var(--bkm-foreground) 68%, transparent)"
shimmerLength?number

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts.

shimmerSpeed?number

Speed multiplier of the shimmer sweep. 2 is twice as fast.

Default
1
shimmerSync?boolean

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts.

SeriesBar

PropType
dataKeystring

Key of the data field that holds the bar heights.

label?string

Name of the series in the default tooltip row. Defaults to dataKey.

fill?string

Fill color of the bars.

Default
"var(--chart-line-primary)"
stroke?string

Color of the tooltip dot, for when fill is a gradient or pattern. Defaults to fill.

radius?number

Corner radius of the bars in px.

Default
0
animate?boolean

Grow the bars from the baseline on entrance.

Default
true
fadedOpacity?number

Opacity of the bars that are not hovered while another x position is focused.

Default
0.3

XAxis

PropType
numTicks?number

Target number of tick labels along the x axis.

Default
5
tickerHalfWidth?number

Half-width in px of the zone around the date pill inside which tick labels are hidden. Line, area and composed charts widen it to the pill's half-width plus the widest tick label's, so no label sits half under the pill.

Default
50
tickMode?"domain" | "data"

Where ticks fall: "data" places them on evenly spaced data rows, "domain" places them at evenly spaced time values across the x domain.

Type
"domain" | "data"
Default
"data"
formatValue?(value: Readonly<Date>) => string

Formats a tick date into its label. Defaults to a short month and day such as "Jan 5".

Type
(value: Readonly<Date>) => string

YAxis

PropType
yAxisId?string | number

Id of the y scale this axis labels. Must match the yAxisId of the series that use it.

Type
string | number
Default
"left"
orientation?"left" | "right"

Side of the plot the axis sits on. The primary axis is on the left; additional axes default to the right.

Type
"left" | "right"
Default
"left"
numTicks?number

Target number of tick labels. The primary axis also sets the number of horizontal grid lines.

Default
5
formatLargeNumbers?boolean

Abbreviate values of 1000 and above as thousands, with one decimal where needed, for example 2k or 1.5k.

Default
true
formatValue?(value: number) => string

Formats a tick value into its label. Overrides formatLargeNumbers.

Type
(value: number) => string

ChartTooltip

PropType
showDatePill?boolean

Show the date pill that rides along the bottom of the plot.

Default
true
showCrosshair?boolean

Show the vertical crosshair line.

Default
true
showDots?boolean

Show a dot on every series at the hovered position.

Default
true
dotVariant?"dot" | "ring"

Dot style: a filled "dot" or a transparent "ring" square. Read by BarChart only.

Type
"dot" | "ring"
Default
"dot"
dotSize?number

Dot radius in px.

Default
5
dotRadiusFraction?number

Corner radius of the "ring" variant as a fraction of its side (0 is square, 0.5 is a circle). Read by BarChart only.

Default
0.25
dotScale?number

Multiplier applied to the dot or ring size. Read by BarChart and LiveLineChart.

Default
1
dotStrokeWidth?number

Stroke width of the dots in px.

Default
2
indicatorColor?string | ((point: Record<string, unknown>) => string)

Color of the crosshair. Only a string is applied; the function form that bklit-ui accepts is ignored and the default is used.

Type
string | ((point: Record<string, unknown>) => string)
Default
"var(--chart-crosshair)"
content?(props: { point: Record<string, unknown>; index: number }) => ReactNode

Replaces the default tooltip panel body. Receives the hovered data row and its index.

Type
(props: { point: Record<string, unknown>; index: number }) => ReactNode
rows?(point: Record<string, unknown>) => { readonly color: string; readonly label: string; readonly value: string | number }[]

Replaces the default rows (one per series) with your own list of { color, label, value }.

Type
(point: Record<string, unknown>) => { readonly color: string; readonly label: string; readonly value: string | number }[]
dotColor?string | ((point: Record<string, unknown>, line: ChartLineConfig) => string)

Fill of the tooltip dots. A function receives the hovered row and the series config, and is called again each time the hovered row changes. Defaults to each series' color; a ProfitLossLine's dot takes the color of the hovered value's sign.

Type
string | ((point: Record<string, unknown>, line: ChartLineConfig) => string)
children?ReactNode

Extra content rendered below the rows in the default panel, for example marker details. Without it, a chart with ChartMarkers lists the markers on the hovered date there.

className?string

Extra class name for the tooltip panel.

springConfig?SpringConfig

Spring for the floating panel when matchCrosshair is on. Defaults to the chart's tooltip spring.

matchCrosshair?boolean

Make the floating panel follow the pointer with the same spring as the crosshair instead of damping.

Default
false
damping?number

Spring damping for the floating panel when matchCrosshair is off. 0 moves the panel instantly.

Default
20
indicatorDasharray?string

Dash pattern of the crosshair. Omit for a solid line.

indicatorFadeEdges?IndicatorFadeEdges

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts. The crosshair in this package is solid.

indicatorFadeLength?number

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts.

boxSpringConfig?SpringConfig

Spring for the floating panel. Takes priority over matchCrosshair and damping.

panelStyle?CSSProperties

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts. Style the panel with className or the --chart-tooltip-* CSS variables instead.

backgroundColor?string

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts. Set --chart-tooltip-background instead.

indicatorWidth?IndicatorWidth

Thickness of the crosshair: a width in px, or "line" (1px), "thin" (2px), "medium" (4px) or "thick" (8px).

Default
"line"
columnWidth?number

Accepted for bklit-ui compatibility. It has no effect in bklit-tanstack-charts.