Files
pulse/components/dashboard/PerformanceStats.tsx

179 lines
7.5 KiB
TypeScript

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