A weighted multi-stage progress surface with pause and resume, stage durations, and cancel confirmation.
import { useEffect, useState } from 'react'
import JobProgress from '@/components/ui/job-progress'
const TOTAL_FILES = 3700
const START_FILES = 1240
const FILES_PER_TICK = 140
const VERIFY_PER_TICK = 0.08
export default function Demo() {
const [files, setFiles] = useState(START_FILES)
const [verify, setVerify] = useState(0)
const [paused, setPaused] = useState(false)
const [cancelled, setCancelled] = useState(false)
const done = files >= TOTAL_FILES && verify >= 1
useEffect(() => {
if (paused || cancelled) return
const timer = window.setTimeout(
() => {
if (done) {
setFiles(START_FILES)
setVerify(0)
} else if (files < TOTAL_FILES) {
setFiles((current) => Math.min(current + FILES_PER_TICK, TOTAL_FILES))
} else {
setVerify((current) => Math.min(current + VERIFY_PER_TICK, 1))
}
},
done ? 2000 : 300,
)
return () => window.clearTimeout(timer)
}, [cancelled, done, files, paused, verify])
const embedding = files < TOTAL_FILES
const remainingWeight = 4 * (1 - files / TOTAL_FILES) + 2 * (1 - verify)
const minutes = Math.ceil(remainingWeight / 2)
return (
<JobProgress
className="w-full max-w-lg"
eta={done ? undefined : `${Math.max(1, minutes)} min`}
onCancel={() => {
setCancelled(true)
setTimeout(() => {
setFiles(START_FILES)
setVerify(0)
setPaused(false)
setCancelled(false)
}, 1500)
}}
onPausedChange={setPaused}
paused={paused || cancelled}
stages={[
{
id: 'scan',
label: 'Scan the repository',
status: 'complete',
weight: 1,
duration: '12s',
},
{
id: 'index',
label: 'Build the semantic index',
status: 'complete',
weight: 2,
duration: '48s',
},
{
id: 'embed',
label: 'Generate embeddings',
status: embedding ? 'running' : 'complete',
weight: 4,
duration: '1m 36s',
progress: files / TOTAL_FILES,
detail: `${files.toLocaleString()} of ${TOTAL_FILES.toLocaleString()} files`,
},
{
id: 'verify',
label: 'Verify retrieval quality',
status: embedding ? 'pending' : verify >= 1 ? 'complete' : 'running',
weight: 2,
duration: '22s',
progress: verify,
detail: `${Math.round(verify * 24)} of 24 test queries`,
},
]}
title={cancelled ? 'Index repository (stopped)' : 'Index repository'}
/>
)
}
Part of Pasta UI — browse the full library on 21st.dev.