179 lines
7.5 KiB
TypeScript
179 lines
7.5 KiB
TypeScript
'use client'
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import { useState, useEffect } from 'react'
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import { PerformanceStats as Stats, PerformanceByPageStat, getPerformanceByPage } from '@/lib/api/stats'
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import Select from '@/components/ui/Select'
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interface Props {
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stats: Stats
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performanceByPage?: PerformanceByPageStat[] | null
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siteId?: string
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startDate?: string
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endDate?: string
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getPerformanceByPage?: typeof getPerformanceByPage
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}
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function MetricCard({ label, value, unit, score }: { label: string, value: number, unit: string, score: 'good' | 'needs-improvement' | 'poor' }) {
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const colors = {
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good: 'text-green-600 bg-green-50 dark:bg-green-900/20 dark:text-green-400 border-green-200 dark:border-green-800',
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'needs-improvement': 'text-yellow-600 bg-yellow-50 dark:bg-yellow-900/20 dark:text-yellow-400 border-yellow-200 dark:border-yellow-800',
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poor: 'text-red-600 bg-red-50 dark:bg-red-900/20 dark:text-red-400 border-red-200 dark:border-red-800',
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}
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return (
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<div className={`p-4 rounded-lg border ${colors[score]}`}>
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<div className="text-sm font-medium opacity-80 mb-1">{label}</div>
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<div className="text-2xl font-bold">
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{value}
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<span className="text-sm font-normal ml-1 opacity-70">{unit}</span>
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</div>
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</div>
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)
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}
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export default function PerformanceStats({ stats, performanceByPage, siteId, startDate, endDate, getPerformanceByPage }: Props) {
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// * Scoring Logic (based on Google Web Vitals)
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const getScore = (metric: 'lcp' | 'cls' | 'inp', value: number) => {
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if (metric === 'lcp') return value <= 2500 ? 'good' : value <= 4000 ? 'needs-improvement' : 'poor'
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if (metric === 'cls') return value <= 0.1 ? 'good' : value <= 0.25 ? 'needs-improvement' : 'poor'
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if (metric === 'inp') return value <= 200 ? 'good' : value <= 500 ? 'needs-improvement' : 'poor'
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return 'good'
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}
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const [sortBy, setSortBy] = useState<'lcp' | 'cls' | 'inp'>('lcp')
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const [overrideRows, setOverrideRows] = useState<PerformanceByPageStat[] | null>(null)
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const [loadingTable, setLoadingTable] = useState(false)
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// * When props.performanceByPage changes (e.g. date range), clear override so we use dashboard data
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useEffect(() => {
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setOverrideRows(null)
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}, [performanceByPage])
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const rows = overrideRows ?? performanceByPage ?? []
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const canRefetch = Boolean(getPerformanceByPage && siteId && startDate && endDate)
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const handleSortChange = (value: string) => {
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const v = value as 'lcp' | 'cls' | 'inp'
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setSortBy(v)
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if (!getPerformanceByPage || !siteId || !startDate || !endDate) return
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setLoadingTable(true)
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getPerformanceByPage(siteId, startDate, endDate, { sort: v, limit: 20 })
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.then(setOverrideRows)
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.finally(() => setLoadingTable(false))
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}
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const cellScoreClass = (score: 'good' | 'needs-improvement' | 'poor') => {
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const m: Record<string, string> = {
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good: 'text-green-600 dark:text-green-400',
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'needs-improvement': 'text-yellow-600 dark:text-yellow-400',
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poor: 'text-red-600 dark:text-red-400',
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}
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return m[score] ?? ''
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}
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const formatMetric = (metric: 'lcp' | 'cls' | 'inp', val: number | null) => {
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if (val == null) return '—'
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if (metric === 'cls') return val.toFixed(3)
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return `${Math.round(val)} ms`
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}
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const getCellClass = (metric: 'lcp' | 'cls' | 'inp', val: number | null) => {
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if (val == null) return 'text-neutral-400 dark:text-neutral-500'
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return cellScoreClass(getScore(metric, val))
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}
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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 p-6">
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<h3 className="text-lg font-semibold text-neutral-900 dark:text-white mb-4">
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Core Web Vitals
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</h3>
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<div className="grid grid-cols-1 md:grid-cols-3 gap-4">
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<MetricCard
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label="Largest Contentful Paint (LCP)"
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value={Math.round(stats.lcp)}
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unit="ms"
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score={getScore('lcp', stats.lcp)}
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/>
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<MetricCard
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label="Cumulative Layout Shift (CLS)"
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value={Number(stats.cls.toFixed(3))}
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unit=""
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score={getScore('cls', stats.cls)}
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/>
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<MetricCard
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label="Interaction to Next Paint (INP)"
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value={Math.round(stats.inp)}
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unit="ms"
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score={getScore('inp', stats.inp)}
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/>
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</div>
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<div className="mt-4 text-xs text-neutral-500">
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* Averages calculated from real user sessions. Lower is better.
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</div>
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{/* * Performance by page (worst first) */}
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<div className="mt-6 pt-6 border-t border-neutral-200 dark:border-neutral-800">
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<div className="flex items-center justify-between gap-4 mb-3">
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<h4 className="text-sm font-medium text-neutral-700 dark:text-neutral-300">
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Worst pages by metric
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</h4>
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{canRefetch && (
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<Select
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value={sortBy}
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onChange={handleSortChange}
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options={[
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{ value: 'lcp', label: 'Sort by LCP (worst)' },
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{ value: 'cls', label: 'Sort by CLS (worst)' },
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{ value: 'inp', label: 'Sort by INP (worst)' },
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]}
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variant="input"
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align="right"
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className="min-w-[180px]"
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/>
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)}
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</div>
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{loadingTable ? (
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<div className="py-8 text-center text-neutral-500 text-sm">Loading…</div>
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) : rows.length === 0 ? (
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<div className="py-6 text-center text-neutral-500 text-sm">
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No per-page metrics yet. Data appears as visitors are tracked with performance insights enabled.
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</div>
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) : (
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<div className="overflow-x-auto -mx-1">
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<table className="w-full text-sm">
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<thead>
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<tr className="border-b border-neutral-200 dark:border-neutral-700">
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<th className="text-left py-2 px-2 font-medium text-neutral-600 dark:text-neutral-400">Path</th>
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<th className="text-right py-2 px-2 font-medium text-neutral-600 dark:text-neutral-400">Samples</th>
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<th className="text-right py-2 px-2 font-medium text-neutral-600 dark:text-neutral-400">LCP</th>
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<th className="text-right py-2 px-2 font-medium text-neutral-600 dark:text-neutral-400">CLS</th>
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<th className="text-right py-2 px-2 font-medium text-neutral-600 dark:text-neutral-400">INP</th>
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</tr>
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</thead>
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<tbody>
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{rows.map((r) => (
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<tr key={r.path} className="border-b border-neutral-100 dark:border-neutral-800/80">
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<td className="py-2 px-2 text-neutral-900 dark:text-white font-mono truncate max-w-[200px]" title={r.path}>
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{r.path || '/'}
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</td>
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<td className="py-2 px-2 text-right text-neutral-600 dark:text-neutral-400">{r.samples}</td>
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<td className={`py-2 px-2 text-right font-mono ${getCellClass('lcp', r.lcp)}`}>
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{formatMetric('lcp', r.lcp)}
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</td>
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<td className={`py-2 px-2 text-right font-mono ${getCellClass('cls', r.cls)}`}>
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{formatMetric('cls', r.cls)}
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</td>
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<td className={`py-2 px-2 text-right font-mono ${getCellClass('inp', r.inp)}`}>
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{formatMetric('inp', r.inp)}
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</td>
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</tr>
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))}
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</tbody>
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</table>
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</div>
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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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