feat: time event chart legend add some interaction

src/client/components/TimeEventChart.tsx

@@ -1,6 +1,6 @@
 import { useTheme } from '../hooks/useTheme';
 import { DateUnit } from '@tianji/shared';
-import React from 'react';
+import React, { useState } from 'react';
 import { formatDateWithUnit } from '../utils/date';
 import {
   Area,
@@ -42,6 +42,7 @@ export const TimeEventChart: React.FC<{
     const lineDasharray = strokeDasharray.find((s) => s.name === name);
     return lineDasharray ? lineDasharray.strokeDasharray : undefined;
   };
+  const [selectedItem, setSelectedItem] = useState<string[]>(['pv', 'uv']);
 
   return (
     <ChartContainer config={chartConfig}>
@@ -65,10 +66,27 @@ export const TimeEventChart: React.FC<{
           tickFormatter={(text) => formatDateWithUnit(text, props.unit)}
         />
         <YAxis mirror />
-        <ChartLegend content={<ChartLegendContent />} />
+        <ChartLegend
+          content={
+            <ChartLegendContent
+              selectedItem={selectedItem}
+              onItemClick={(item) => {
+                setSelectedItem((selected) => {
+                  if (selected.includes(item.value)) {
+                    return selected.filter((s) => s !== item.value);
+                  } else {
+                    return [...selected, item.value];
+                  }
+                });
+              }}
+            />
+          }
+        />
         <CartesianGrid vertical={false} />
         <ChartTooltip content={<ChartTooltipContent />} />
+
         <Area
+          hide={!selectedItem.includes('pv')}
           type="monotone"
           dataKey="pv"
           stroke={colors.chart.pv}
@@ -78,7 +96,9 @@ export const TimeEventChart: React.FC<{
           strokeDasharray={getStrokeDasharray('pv')}
           onAnimationEnd={handleAnimationEnd}
         />
+
         <Area
+          hide={!selectedItem.includes('uv')}
           type="monotone"
           dataKey="uv"
           stroke={colors.chart.uv}

src/client/components/ui/chart.tsx

@@ -261,16 +261,20 @@ ChartTooltipContent.displayName = "ChartTooltip"
 
 const ChartLegend = RechartsPrimitive.Legend
 
+type Payload = NonNullable<RechartsPrimitive.LegendProps['payload']>[number]
 const ChartLegendContent = React.forwardRef<
   HTMLDivElement,
   React.ComponentProps<"div"> &
     Pick<RechartsPrimitive.LegendProps, "payload" | "verticalAlign"> & {
       hideIcon?: boolean
       nameKey?: string
+    } & {
+      selectedItem?: string[]
+      onItemClick?: (item: Payload) => void
     }
 >(
   (
-    { className, hideIcon = false, payload, verticalAlign = "bottom", nameKey },
+    { className, hideIcon = false, payload, verticalAlign = "bottom", nameKey, selectedItem, onItemClick },
     ref
   ) => {
     const { config } = useChart()
@@ -296,8 +300,11 @@ const ChartLegendContent = React.forwardRef<
             <div
               key={item.value}
               className={cn(
-                "flex items-center gap-1.5 [&>svg]:h-3 [&>svg]:w-3 [&>svg]:text-muted-foreground"
+                "flex items-center gap-1.5 [&>svg]:h-3 [&>svg]:w-3 [&>svg]:text-muted-foreground",
+                typeof onItemClick === 'function' && 'cursor-pointer',
+                selectedItem?.includes(item.value) && 'font-bold',
               )}
+              onClick={() => onItemClick?.(item)}
             >
               {itemConfig?.icon && !hideIcon ? (
                 <itemConfig.icon />