10 KiB
import * as React from "react" import * as RechartsPrimitive from "recharts"
import { cn } from "@/lib/utils"
// Format: { THEME_NAME: CSS_SELECTOR } const THEMES = { light: "", dark: ".dark" } as const
export type ChartConfig = { [k in string]: { label?: React.ReactNode icon?: React.ComponentType } & ( | { color?: string; theme?: never } | { color?: never; theme: Record<keyof typeof THEMES, string> } ) }
type ChartContextProps = { config: ChartConfig }
const ChartContext = React.createContext<ChartContextProps | null>(null)
function useChart() { const context = React.useContext(ChartContext)
if (!context) { throw new Error("useChart must be used within a ") }
return context }
const ChartContainer = React.forwardRef< HTMLDivElement, React.ComponentProps<"div"> & { config: ChartConfig children: React.ComponentProps< typeof RechartsPrimitive.ResponsiveContainer >["children"] }
(({ id, className, children, config, ...props }, ref) => { const uniqueId = React.useId() const chartId =
chart-${id || uniqueId.replace(/:/g, "")}
return ( <ChartContext.Provider value={{ config }}> <div data-chart={chartId} ref={ref} className={cn( "flex aspect-video justify-center text-xs [&.recharts-cartesian-axis-tick_text]:fill-muted-foreground [&.recharts-cartesian-grid_line[stroke='#ccc']]:stroke-border/50 [&.recharts-curve.recharts-tooltip-cursor]:stroke-border [&.recharts-dot[stroke='#fff']]:stroke-transparent [&.recharts-layer]:outline-none [&.recharts-polar-grid_[stroke='#ccc']]:stroke-border [&.recharts-radial-bar-background-sector]:fill-muted [&.recharts-rectangle.recharts-tooltip-cursor]:fill-muted [&.recharts-reference-line[stroke='#ccc']]:stroke-border [&.recharts-sector[stroke='#fff']]:stroke-transparent [&.recharts-sector]:outline-none [&_.recharts-surface]:outline-none", className )} {...props} > <RechartsPrimitive.ResponsiveContainer> {children} </RechartsPrimitive.ResponsiveContainer> </ChartContext.Provider> ) }) ChartContainer.displayName = "Chart"
const ChartStyle = ({ id, config }: { id: string; config: ChartConfig }) => { const colorConfig = Object.entries(config).filter( ([, config]) => config.theme || config.color )
if (!colorConfig.length) { return null }
return (
<style
dangerouslySetInnerHTML={{
__html: Object.entries(THEMES)
.map(
([theme, prefix]) => ${prefix} [data-chart=${id}] { ${colorConfig .map(([key, itemConfig]) => { const color = itemConfig.theme?.[theme as keyof typeof itemConfig.theme] || itemConfig.color return color ? --color-${key}: ${color};: null }) .join("\n")} }
)
.join("\n"),
}}
/>
)
}
const ChartTooltip = RechartsPrimitive.Tooltip
const ChartTooltipContent = React.forwardRef< HTMLDivElement, React.ComponentProps & React.ComponentProps<"div"> & { hideLabel?: boolean hideIndicator?: boolean indicator?: "line" | "dot" | "dashed" nameKey?: string labelKey?: string }
( ( { active, payload, className, indicator = "dot", hideLabel = false, hideIndicator = false, label, labelFormatter, labelClassName, formatter, color, nameKey, labelKey, }, ref ) => { const { config } = useChart()
const tooltipLabel = React.useMemo(() => {
if (hideLabel || !payload?.length) {
return null
}
const [item] = payload
const key = `${labelKey || item?.dataKey || item?.name || "value"}`
const itemConfig = getPayloadConfigFromPayload(config, item, key)
const value =
!labelKey && typeof label === "string"
? config[label as keyof typeof config]?.label || label
: itemConfig?.label
if (labelFormatter) {
return (
<div className={cn("font-medium", labelClassName)}>
{labelFormatter(value, payload)}
</div>
)
}
if (!value) {
return null
}
return <div className={cn("font-medium", labelClassName)}>{value}</div>
}, [
label,
labelFormatter,
payload,
hideLabel,
labelClassName,
config,
labelKey,
])
if (!active || !payload?.length) {
return null
}
const nestLabel = payload.length === 1 && indicator !== "dot"
return (
<div
ref={ref}
className={cn(
"grid min-w-[8rem] items-start gap-1.5 rounded-lg border border-border/50 bg-background px-2.5 py-1.5 text-xs shadow-xl",
className
)}
>
{!nestLabel ? tooltipLabel : null}
<div className="grid gap-1.5">
{payload
.filter((item) => item.type !== "none")
.map((item, index) => {
const key = `${nameKey || item.name || item.dataKey || "value"}`
const itemConfig = getPayloadConfigFromPayload(config, item, key)
const indicatorColor = color || item.payload.fill || item.color
return (
<div
key={item.dataKey}
className={cn(
"flex w-full flex-wrap items-stretch gap-2 [&>svg]:h-2.5 [&>svg]:w-2.5 [&>svg]:text-muted-foreground",
indicator === "dot" && "items-center"
)}
>
{formatter && item?.value !== undefined && item.name ? (
formatter(item.value, item.name, item, index, item.payload)
) : (
<>
{itemConfig?.icon ? (
<itemConfig.icon />
) : (
!hideIndicator && (
<div
className={cn(
"shrink-0 rounded-[2px] border-[--color-border] bg-[--color-bg]",
{
"h-2.5 w-2.5": indicator === "dot",
"w-1": indicator === "line",
"w-0 border-[1.5px] border-dashed bg-transparent":
indicator === "dashed",
"my-0.5": nestLabel && indicator === "dashed",
}
)}
style={
{
"--color-bg": indicatorColor,
"--color-border": indicatorColor,
} as React.CSSProperties
}
/>
)
)}
<div
className={cn(
"flex flex-1 justify-between leading-none",
nestLabel ? "items-end" : "items-center"
)}
>
<div className="grid gap-1.5">
{nestLabel ? tooltipLabel : null}
<span className="text-muted-foreground">
{itemConfig?.label || item.name}
</span>
</div>
{item.value && (
<span className="font-mono font-medium tabular-nums text-foreground">
{item.value.toLocaleString()}
</span>
)}
</div>
</>
)}
</div>
)
})}
</div>
</div>
)
} ) ChartTooltipContent.displayName = "ChartTooltip"
const ChartLegend = RechartsPrimitive.Legend
const ChartLegendContent = React.forwardRef< HTMLDivElement, React.ComponentProps<"div"> & Pick<RechartsPrimitive.LegendProps, "payload" | "verticalAlign"> & { hideIcon?: boolean nameKey?: string }
( ( { className, hideIcon = false, payload, verticalAlign = "bottom", nameKey }, ref ) => { const { config } = useChart()
if (!payload?.length) {
return null
}
return (
<div
ref={ref}
className={cn(
"flex items-center justify-center gap-4",
verticalAlign === "top" ? "pb-3" : "pt-3",
className
)}
>
{payload
.filter((item) => item.type !== "none")
.map((item) => {
const key = `${nameKey || item.dataKey || "value"}`
const itemConfig = getPayloadConfigFromPayload(config, item, key)
return (
<div
key={item.value}
className={cn(
"flex items-center gap-1.5 [&>svg]:h-3 [&>svg]:w-3 [&>svg]:text-muted-foreground"
)}
>
{itemConfig?.icon && !hideIcon ? (
<itemConfig.icon />
) : (
<div
className="h-2 w-2 shrink-0 rounded-[2px]"
style={{
backgroundColor: item.color,
}}
/>
)}
{itemConfig?.label}
</div>
)
})}
</div>
)
} ) ChartLegendContent.displayName = "ChartLegend"
// Helper to extract item config from a payload. function getPayloadConfigFromPayload( config: ChartConfig, payload: unknown, key: string ) { if (typeof payload !== "object" || payload === null) { return undefined }
const payloadPayload = "payload" in payload && typeof payload.payload === "object" && payload.payload !== null ? payload.payload : undefined
let configLabelKey: string = key
if ( key in payload && typeof payload[key as keyof typeof payload] === "string" ) { configLabelKey = payload[key as keyof typeof payload] as string } else if ( payloadPayload && key in payloadPayload && typeof payloadPayload[key as keyof typeof payloadPayload] === "string" ) { configLabelKey = payloadPayload[ key as keyof typeof payloadPayload ] as string }
return configLabelKey in config ? config[configLabelKey] : config[key as keyof typeof config] }
export { ChartContainer, ChartTooltip, ChartTooltipContent, ChartLegend, ChartLegendContent, ChartStyle, }