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