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"use client";
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"
}
const ChartContext = React.createContext(null)
function useChart() {
const context = React.useContext(ChartContext)
if (!context) {
throw new Error("useChart must be used within a <ChartContainer />")
}
return context
}
const ChartContainer = React.forwardRef(({ 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}>
<ChartStyle id={chartId} config={config} />
<RechartsPrimitive.ResponsiveContainer>
{children}
</RechartsPrimitive.ResponsiveContainer>
</div>
</ChartContext.Provider>)
);
})
ChartContainer.displayName = "Chart"
const ChartStyle = ({
id,
config
}) => {
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}] {
${colorConfig
.map(([key, itemConfig]) => {
const color =
itemConfig.theme?.[theme] ||
itemConfig.color
return color ? ` --color-${key}: ${color};` : null
})
.join("\n")}
}
`)
.join("\n"),
}} />)
);
}
const ChartTooltip = RechartsPrimitive.Tooltip
const ChartTooltipContent = React.forwardRef((
{
active,
payload,
className,
indicator = "dot",
hideLabel = false,
hideIndicator = false,
label,
labelFormatter,
labelClassName,
formatter,
color,
nameKey,
labelKey,
},
ref
) => {
const { config } = useChart()
const tooltipLabel = React.useMemo(() => {
if (hideLabel || !payload?.length) {
return null
}
const [item] = payload
const key = `${labelKey || item.dataKey || item.name || "value"}`
const itemConfig = getPayloadConfigFromPayload(config, item, key)
const value =
!labelKey && typeof label === "string"
? config[label]?.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.map((item, index) => {
const key = `${nameKey || item.name || item.dataKey || "value"}`
const itemConfig = getPayloadConfigFromPayload(config, item, key)
const indicatorColor = color || item.payload.fill || item.color
return (
(<div
key={item.dataKey}
className={cn(
"flex w-full flex-wrap items-stretch gap-2 [&>svg]:h-2.5 [&>svg]:w-2.5 [&>svg]:text-muted-foreground",
indicator === "dot" && "items-center"
)}>
{formatter && item?.value !== undefined && item.name ? (
formatter(item.value, item.name, item, index, item.payload)
) : (
<>
{itemConfig?.icon ? (
<itemConfig.icon />
) : (
!hideIndicator && (
<div
className={cn("shrink-0 rounded-[2px] border-[--color-border] bg-[--color-bg]", {
"h-2.5 w-2.5": indicator === "dot",
"w-1": indicator === "line",
"w-0 border-[1.5px] border-dashed bg-transparent":
indicator === "dashed",
"my-0.5": nestLabel && indicator === "dashed",
})}
style={
{
"--color-bg": indicatorColor,
"--color-border": indicatorColor
}
} />
)
)}
<div
className={cn(
"flex flex-1 justify-between leading-none",
nestLabel ? "items-end" : "items-center"
)}>
<div className="grid gap-1.5">
{nestLabel ? tooltipLabel : null}
<span className="text-muted-foreground">
{itemConfig?.label || item.name}
</span>
</div>
{item.value && (
<span className="font-mono font-medium tabular-nums text-foreground">
{item.value.toLocaleString()}
</span>
)}
</div>
</>
)}
</div>)
);
})}
</div>
</div>)
);
})
ChartTooltipContent.displayName = "ChartTooltip"
const ChartLegend = RechartsPrimitive.Legend
const ChartLegendContent = React.forwardRef((
{ className, hideIcon = false, payload, verticalAlign = "bottom", nameKey },
ref
) => {
const { config } = useChart()
if (!payload?.length) {
return null
}
return (
(<div
ref={ref}
className={cn(
"flex items-center justify-center gap-4",
verticalAlign === "top" ? "pb-3" : "pt-3",
className
)}>
{payload.map((item) => {
const key = `${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,
payload,
key
) {
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 = key
if (
key in payload &&
typeof payload[key] === "string"
) {
configLabelKey = payload[key]
} else if (
payloadPayload &&
key in payloadPayload &&
typeof payloadPayload[key] === "string"
) {
configLabelKey = payloadPayload[key]
}
return configLabelKey in config
? config[configLabelKey]
: config[key];
}
export {
ChartContainer,
ChartTooltip,
ChartTooltipContent,
ChartLegend,
ChartLegendContent,
ChartStyle,
}
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