Composed Chart
Revenue as bars, the plan as a line, the forecast as an area, on one shared axis. Areas draw at the back and lines on top whatever order you list them, and a labelled dashed rule marks a goal or limit without taking a colour.
The decision inside it
One axis, on purpose
A second y-scale lets two unrelated lines cross wherever the ranges say, and readers take the crossing as meaning. Different units are two charts, and syncId moves their tooltips together.
When to use it
Use Composed Chart to put bars, lines and areas in the same unit on one plot, such as revenue as bars, plan as a line and forecast as an area, with an optional reference rule. It has one y-axis; different units belong in two charts with the same syncId.
Installation
How you get it
Paste this into Claude Code, Cursor, Codex or any coding agent. It installs the file and uses it as it is, instead of writing a new one.
Use Layro's Composed Chart for this.
Install it: npx shadcn@latest add @layro/composed-chart
(the @layro registry is set up in components.json, with LAYRO_KEY in .env.local)
Import it from @/components/ui/composed-chart.
Do not rewrite or restyle it. Pass my data through its props
and keep its built-in states.For the full brief with every prop and the mistakes assistants usually make, use Copy prompt above. Pro components install through the @layro registry with your CLI token: see the Namespaced tab.
Usage
import { ComposedChart } from "@/components/ui/composed-chart";
const data = [
{ month: "Aug", revenue: 12100, plan: 11500, forecast: 12900 },
{ month: "Sep", revenue: 13600, plan: 12000, forecast: 14300 },
{ month: "Oct", revenue: 14200, plan: 12500, forecast: 15000 },
];
export function RevenuePlan() {
return (
<ComposedChart
data={data}
xKey="month"
format={(v) => "$" + (v / 1000).toFixed(1) + "k"}
reference={{ value: 12000, label: "Break-even" }}
description="Revenue against plan and forecast"
series={[
{ key: "forecast", label: "Forecast", kind: "area" },
{ key: "revenue", label: "Revenue", kind: "bar" },
{ key: "plan", label: "Plan", kind: "line", dashed: true },
]}
/>
);
}API reference
“Copy prompt” above puts a full brief on your clipboard — install command, dependencies, props, and the mistakes an assistant usually makes with this component.
Props
Read from the component’s own TypeScript interface when the site is built, so this table cannot drift from the file you install.
| Prop | Type | Notes |
|---|---|---|
datarequired | T[] | — |
xKeyrequired | keyof T & string | — |
seriesrequired | ComposedSeries[] | — |
reference | { value: number; label: string } | A labelled horizontal rule: a goal or a limit. |
stacked | boolean | Stack the bars. Default false. |
syncId | string | Same id on two charts syncs their tooltips. |
format | (v: number) => string | — |
xFormat | (v: string) => string | — |
height | number | — |
descriptionrequired | string | Accessible summary, read before the data table. |
loading | boolean | — |
error | React.ReactNode | — |
onRetry | () => void | — |
className | string | — |
Dependencies
npm packages
clsxrechartstailwind-mergeLayro foundations, installed alongside it
layro-themechartStates
All of them are drawn by the component. None is left for you to design.
- Bars, line and area
- Reference rule
- Loading
- Empty
- Error
Accessibility
- Keyboard reachable throughout, in visual order
- Focus trapped in overlays, Escape closes them
- Focus returns to whatever opened it
- Live regions announce what changed, not that something did
- Honours prefers-reduced-motion
Responsive behavior
- Sizes to its container, not the viewport
- Usable from 320px up
- Pointer-based interaction, so trackpad and touch both work
- No hover-only affordances
Lifetime access
Every component, and everything we ship next.
- All 232 components, source included
- Every template, and everything released after you buy
- shadcn CLI or download — React 18/19, Tailwind v4
- One payment. No subscription.
More in Data & feedbackAll Data & feedback components
Radar Chart
Two or three series across five to eight measures, filled or outline, on a polygon or circle grid.
Radial Chart
Rings for progress and share, full or half circle, each with its own max and a number in the middle.
Histogram
Raw samples binned for you, with p50/p95/p99 pins and an overflow bin for the long tail.
Cohort Retention
Cohorts by period as a triangle table, shaded by % retained, with a size-weighted average row.
Calendar Heatmap
A year of daily counts as week columns, with month labels, five levels and streak stats.
Insight Cards
A number, how it moved and one line on why: spark bars, a trend delta and a short AI explanation.