508 lines
18 KiB
TypeScript
508 lines
18 KiB
TypeScript
'use client'
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import { useState, useMemo } from 'react'
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import { useTheme } from 'next-themes'
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import {
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AreaChart,
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Area,
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XAxis,
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YAxis,
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CartesianGrid,
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Tooltip,
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ResponsiveContainer,
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ReferenceLine,
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} from 'recharts'
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import type { TooltipProps } from 'recharts'
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import { formatNumber, formatDuration } from '@/lib/utils/format'
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import { ArrowTopRightIcon, ArrowBottomRightIcon, DownloadIcon, BarChartIcon } from '@radix-ui/react-icons'
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import { Button } from '@ciphera-net/ui'
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import { Checkbox } from '@/components/ui/Checkbox'
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const COLORS = {
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brand: '#FD5E0F',
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success: '#10B981', // Emerald-500
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danger: '#EF4444', // Red-500
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}
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const CHART_COLORS_LIGHT = {
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border: '#E5E5E5',
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text: '#171717',
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textMuted: '#737373',
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axis: '#A3A3A3',
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tooltipBg: '#ffffff',
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tooltipBorder: '#E5E5E5',
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}
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const CHART_COLORS_DARK = {
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border: '#404040',
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text: '#fafafa',
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textMuted: '#a3a3a3',
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axis: '#737373',
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tooltipBg: '#262626',
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tooltipBorder: '#404040',
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}
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interface DailyStat {
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date: string
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pageviews: number
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visitors: number
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bounce_rate: number
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avg_duration: number
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}
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interface Stats {
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pageviews: number
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visitors: number
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bounce_rate: number
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avg_duration: number
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}
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interface ChartProps {
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data: DailyStat[]
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prevData?: DailyStat[]
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stats: Stats
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prevStats?: Stats
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interval: 'minute' | 'hour' | 'day' | 'month'
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}
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type MetricType = 'pageviews' | 'visitors' | 'bounce_rate' | 'avg_duration'
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// * Custom tooltip with comparison and theme-aware styling
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function ChartTooltip({
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active,
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payload,
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label,
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metric,
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metricLabel,
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formatNumberFn,
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showComparison,
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colors,
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}: {
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active?: boolean
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payload?: Array<{ payload: { prevPageviews?: number; prevVisitors?: number; prevBounceRate?: number; prevAvgDuration?: number }; value: number }>
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label?: string
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metric: MetricType
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metricLabel: string
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formatNumberFn: (n: number) => string
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showComparison: boolean
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colors: typeof CHART_COLORS_LIGHT
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}) {
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if (!active || !payload?.length || !label) return null
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// * Recharts sends one payload entry per Area; order can be [prevSeries, currentSeries].
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// * Use the entry for the current metric so the tooltip shows today's value, not yesterday's.
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type PayloadItem = { dataKey?: string; value?: number; payload: { prevPageviews?: number; prevVisitors?: number; prevBounceRate?: number; prevAvgDuration?: number; visitors?: number; pageviews?: number; bounce_rate?: number; avg_duration?: number } }
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const items = payload as PayloadItem[]
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const current = items.find((p) => p.dataKey === metric) ?? items[items.length - 1]
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const value = Number(current?.value ?? (current?.payload as Record<string, number>)?.[metric] ?? 0)
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let prev: number | undefined
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switch (metric) {
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case 'visitors': prev = current?.payload?.prevVisitors; break;
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case 'pageviews': prev = current?.payload?.prevPageviews; break;
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case 'bounce_rate': prev = current?.payload?.prevBounceRate; break;
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case 'avg_duration': prev = current?.payload?.prevAvgDuration; break;
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}
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const hasPrev = showComparison && prev != null
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const delta =
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hasPrev && (prev as number) > 0
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? Math.round(((value - (prev as number)) / (prev as number)) * 100)
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: null
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const formatValue = (v: number) => {
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if (metric === 'bounce_rate') return `${Math.round(v)}%`
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if (metric === 'avg_duration') return formatDuration(v)
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return formatNumberFn(v)
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}
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return (
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<div
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className="rounded-lg border px-4 py-3 shadow-lg"
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style={{
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backgroundColor: colors.tooltipBg,
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borderColor: colors.tooltipBorder,
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}}
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>
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<div className="text-xs font-medium" style={{ color: colors.textMuted, marginBottom: 6 }}>
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{label}
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</div>
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<div className="flex items-baseline gap-2">
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<span className="text-base font-bold" style={{ color: colors.text }}>
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{formatValue(value)}
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</span>
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<span className="text-xs" style={{ color: colors.textMuted }}>
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{metricLabel}
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</span>
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</div>
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{hasPrev && (
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<div className="mt-1.5 flex items-center gap-1.5 text-xs" style={{ color: colors.textMuted }}>
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<span>vs {formatValue(prev as number)} prev</span>
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{delta !== null && (
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<span
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className="font-medium"
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style={{
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color: delta > 0 ? (metric === 'bounce_rate' ? COLORS.danger : COLORS.success) : delta < 0 ? (metric === 'bounce_rate' ? COLORS.success : COLORS.danger) : colors.textMuted,
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}}
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>
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{delta > 0 ? '+' : ''}{delta}%
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</span>
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)}
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</div>
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)}
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</div>
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)
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}
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// * Compact Y-axis formatter: 1.5M, 12k, 99
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function formatAxisValue(value: number): string {
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if (value >= 1e6) return `${value / 1e6}M`
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if (value >= 1000) return `${value / 1000}k`
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return String(value)
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}
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export default function Chart({ data, prevData, stats, prevStats, interval }: ChartProps) {
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const [metric, setMetric] = useState<MetricType>('visitors')
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const [showComparison, setShowComparison] = useState(false)
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const { resolvedTheme } = useTheme()
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const colors = useMemo(
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() => (resolvedTheme === 'dark' ? CHART_COLORS_DARK : CHART_COLORS_LIGHT),
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[resolvedTheme]
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)
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// * Align current and previous data
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const chartData = data.map((item, i) => {
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// * Try to find matching previous item (assuming same length/order)
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// * For more robustness, we could match by relative index
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const prevItem = prevData?.[i]
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// * Format date based on interval
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let formattedDate: string
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if (interval === 'minute') {
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formattedDate = new Date(item.date).toLocaleTimeString('en-US', { hour: 'numeric', minute: '2-digit' })
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} else if (interval === 'hour') {
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const d = new Date(item.date)
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const isMidnight = d.getHours() === 0 && d.getMinutes() === 0
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// * At 12:00 AM: date only (used for X-axis ticks). Non-midnight: date + time for tooltip only.
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formattedDate = isMidnight
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? d.toLocaleDateString('en-US', { month: 'short', day: 'numeric' }) + ' 12:00 AM'
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: d.toLocaleDateString('en-US', { month: 'short', day: 'numeric' }) + ', ' + d.toLocaleTimeString('en-US', { hour: 'numeric', minute: 'numeric' })
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} else {
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formattedDate = new Date(item.date).toLocaleDateString('en-US', { month: 'short', day: 'numeric' })
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}
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return {
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date: formattedDate,
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originalDate: item.date,
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pageviews: item.pageviews,
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visitors: item.visitors,
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bounce_rate: item.bounce_rate,
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avg_duration: item.avg_duration,
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prevPageviews: prevItem?.pageviews,
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prevVisitors: prevItem?.visitors,
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prevBounceRate: prevItem?.bounce_rate,
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prevAvgDuration: prevItem?.avg_duration,
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}
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})
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// * Calculate trends
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const calculateTrend = (current: number, previous?: number) => {
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if (!previous) return null
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if (previous === 0) return current > 0 ? 100 : 0
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return Math.round(((current - previous) / previous) * 100)
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}
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const handleExport = () => {
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const csvContent = "data:text/csv;charset=utf-8,"
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+ "Date,Pageviews,Visitors\n"
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+ data.map(row => `${new Date(row.date).toISOString()},${row.pageviews},${row.visitors}`).join("\n")
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const encodedUri = encodeURI(csvContent)
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const link = document.createElement("a")
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link.setAttribute("href", encodedUri)
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link.setAttribute("download", `pulse_export_${new Date().toISOString().split('T')[0]}.csv`)
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document.body.appendChild(link)
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link.click()
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document.body.removeChild(link)
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}
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const metrics = [
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{
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id: 'visitors',
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label: 'Unique Visitors',
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value: formatNumber(stats.visitors),
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trend: calculateTrend(stats.visitors, prevStats?.visitors),
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color: COLORS.brand,
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invertTrend: false,
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},
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{
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id: 'pageviews',
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label: 'Total Pageviews',
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value: formatNumber(stats.pageviews),
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trend: calculateTrend(stats.pageviews, prevStats?.pageviews),
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color: COLORS.brand,
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invertTrend: false,
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},
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{
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id: 'bounce_rate',
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label: 'Bounce Rate',
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value: `${Math.round(stats.bounce_rate)}%`,
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trend: calculateTrend(stats.bounce_rate, prevStats?.bounce_rate),
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color: COLORS.brand,
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invertTrend: true, // Lower bounce rate is better
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},
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{
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id: 'avg_duration',
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label: 'Visit Duration',
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value: formatDuration(stats.avg_duration),
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trend: calculateTrend(stats.avg_duration, prevStats?.avg_duration),
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color: COLORS.brand,
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invertTrend: false,
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},
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] as const
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const activeMetric = metrics.find((m) => m.id === metric) || metrics[0]
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const chartMetric = metric
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const metricLabel = metrics.find(m => m.id === metric)?.label || 'visitors'
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const avg = chartData.length
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? chartData.reduce((s, d) => s + (d[chartMetric] as number), 0) / chartData.length
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: 0
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const hasPrev = !!(prevData?.length && showComparison)
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// * In hourly view, only show X-axis labels at 12:00 AM (date + 12:00 AM).
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const midnightTicks =
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interval === 'hour'
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? (() => {
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const t = chartData
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.filter((_, i) => {
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const d = new Date(data[i].date)
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return d.getHours() === 0 && d.getMinutes() === 0
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})
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.map((c) => c.date)
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return t.length > 0 ? t : undefined
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})()
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: undefined
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// * In daily view, only show the date at each day (12:00 AM / start-of-day mark), no time.
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const dayTicks = interval === 'day' && chartData.length > 0 ? chartData.map((c) => c.date) : undefined
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return (
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<div className="bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-xl overflow-hidden shadow-sm">
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{/* Stats Header (Interactive Tabs) */}
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<div className="grid grid-cols-2 md:grid-cols-4 divide-x divide-neutral-200 dark:divide-neutral-800 border-b border-neutral-200 dark:border-neutral-800">
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{metrics.map((item) => (
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<button
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key={item.id}
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onClick={() => setMetric(item.id as MetricType)}
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className={`
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p-6 text-left transition-colors relative group
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hover:bg-neutral-50 dark:hover:bg-neutral-800/50
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${metric === item.id ? 'bg-neutral-50 dark:bg-neutral-800/50' : ''}
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cursor-pointer
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`}
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>
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<div className={`text-xs font-semibold uppercase tracking-wider mb-1 flex items-center gap-2 ${metric === item.id ? 'text-neutral-900 dark:text-white' : 'text-neutral-500'}`}>
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{item.label}
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</div>
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<div className="flex items-baseline gap-2">
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<span className="text-2xl font-bold text-neutral-900 dark:text-white">
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{item.value}
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</span>
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{item.trend !== null && (
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<span className={`flex items-center text-sm font-medium ${
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(item.invertTrend ? -item.trend : item.trend) > 0
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? 'text-emerald-600 dark:text-emerald-500'
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: (item.invertTrend ? -item.trend : item.trend) < 0
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? 'text-red-600 dark:text-red-500'
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: 'text-neutral-500'
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}`}>
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{(item.invertTrend ? -item.trend : item.trend) > 0 ? (
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<ArrowTopRightIcon className="w-3 h-3 mr-0.5" />
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) : (item.invertTrend ? -item.trend : item.trend) < 0 ? (
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<ArrowBottomRightIcon className="w-3 h-3 mr-0.5" />
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) : null}
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{Math.abs(item.trend)}%
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</span>
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)}
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</div>
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{metric === item.id && (
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<div className="absolute bottom-0 left-0 right-0 h-1" style={{ backgroundColor: item.color }} />
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)}
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</button>
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))}
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</div>
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{/* Chart Area */}
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<div className="p-6">
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{/* Toolbar Row */}
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<div className="mb-6 flex flex-col sm:flex-row sm:items-center justify-between gap-4">
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{/* Left side: Legend */}
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<div className="flex items-center">
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{hasPrev && (
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<div className="flex items-center gap-4 text-xs font-medium" style={{ color: colors.textMuted }}>
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<span className="flex items-center gap-2">
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<span
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className="h-2 w-2 rounded-full"
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style={{ backgroundColor: activeMetric.color }}
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/>
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Current
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</span>
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<span className="flex items-center gap-2">
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<span
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className="h-2 w-2 rounded-full border border-dashed"
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style={{ borderColor: colors.axis }}
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/>
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Previous
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</span>
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</div>
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)}
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</div>
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{/* Right side: Controls */}
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<div className="flex items-center gap-3 self-end sm:self-auto">
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{prevData?.length ? (
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<Checkbox
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checked={showComparison}
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onCheckedChange={setShowComparison}
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label="Compare"
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/>
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) : null}
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{/* Vertical Separator */}
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<div className="h-4 w-px bg-neutral-200 dark:bg-neutral-800" />
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<Button
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variant="secondary"
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onClick={handleExport}
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className="h-8 px-3 text-xs gap-2"
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title="Export to CSV"
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>
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<DownloadIcon className="w-3.5 h-3.5" />
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Export
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</Button>
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</div>
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</div>
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{data.length === 0 ? (
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<div className="flex h-[320px] flex-col items-center justify-center gap-3 rounded-lg border border-dashed border-neutral-200 dark:border-neutral-700 bg-neutral-50/50 dark:bg-neutral-800/30">
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<BarChartIcon className="h-12 w-12 text-neutral-300 dark:text-neutral-600" aria-hidden />
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<p className="text-sm font-medium text-neutral-500 dark:text-neutral-400">
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No data for this period
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</p>
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<p className="text-xs text-neutral-400 dark:text-neutral-500">Try a different date range</p>
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</div>
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) : (
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<div className="h-[360px] w-full">
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<ResponsiveContainer width="100%" height="100%">
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<AreaChart data={chartData} margin={{ top: 10, right: 8, left: -16, bottom: 0 }}>
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<defs>
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<linearGradient id={`gradient-${metric}`} x1="0" y1="0" x2="0" y2="1">
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<stop offset="0%" stopColor={activeMetric.color} stopOpacity={0.35} />
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<stop offset="50%" stopColor={activeMetric.color} stopOpacity={0.12} />
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<stop offset="100%" stopColor={activeMetric.color} stopOpacity={0} />
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</linearGradient>
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</defs>
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<CartesianGrid strokeDasharray="3 3" vertical={false} stroke={colors.border} />
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<XAxis
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dataKey="date"
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stroke={colors.axis}
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fontSize={12}
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tickLine={false}
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axisLine={false}
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minTickGap={28}
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ticks={midnightTicks ?? dayTicks}
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/>
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<YAxis
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stroke={colors.axis}
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fontSize={12}
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tickLine={false}
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axisLine={false}
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domain={[0, 'auto']}
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tickFormatter={(val) => {
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if (metric === 'bounce_rate') return `${val}%`
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if (metric === 'avg_duration') return formatDuration(val)
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return formatAxisValue(val)
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}}
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/>
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<Tooltip
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content={(p: TooltipProps<number, string>) => (
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<ChartTooltip
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active={p.active}
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payload={p.payload as Array<{
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payload: { prevPageviews?: number; prevVisitors?: number }
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value: number
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}>}
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label={p.label as string}
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metric={chartMetric}
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metricLabel={metricLabel}
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formatNumberFn={formatNumber}
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showComparison={hasPrev}
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colors={colors}
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/>
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)}
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cursor={{ stroke: activeMetric.color, strokeDasharray: '4 4', strokeWidth: 1 }}
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/>
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{avg > 0 && (
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<ReferenceLine
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y={avg}
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stroke={colors.axis}
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strokeDasharray="4 4"
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strokeOpacity={0.7}
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/>
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)}
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{hasPrev && (
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<Area
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type="monotone"
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dataKey={
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chartMetric === 'visitors' ? 'prevVisitors' :
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chartMetric === 'pageviews' ? 'prevPageviews' :
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chartMetric === 'bounce_rate' ? 'prevBounceRate' :
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'prevAvgDuration'
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}
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stroke={colors.axis}
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strokeWidth={2}
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strokeDasharray="5 5"
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strokeLinecap="round"
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strokeLinejoin="round"
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fill="none"
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dot={false}
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isAnimationActive
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animationDuration={500}
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animationEasing="ease-out"
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/>
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)}
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<Area
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type="monotone"
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baseValue={0}
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dataKey={chartMetric}
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stroke={activeMetric.color}
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strokeWidth={2.5}
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strokeLinecap="round"
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strokeLinejoin="round"
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fillOpacity={1}
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fill={`url(#gradient-${metric})`}
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dot={false}
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activeDot={{
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r: 5,
|
|
strokeWidth: 2,
|
|
fill: resolvedTheme === 'dark' ? '#262626' : '#ffffff',
|
|
stroke: activeMetric.color,
|
|
}}
|
|
isAnimationActive
|
|
animationDuration={500}
|
|
animationEasing="ease-out"
|
|
/>
|
|
</AreaChart>
|
|
</ResponsiveContainer>
|
|
</div>
|
|
)}
|
|
</div>
|
|
</div>
|
|
)
|
|
}
|