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Turbopack: limit build concurrency, show progress bar (#62319)
### What? Run 10 concurrent Turbopack compilation jobs instead of all of them show a progress spinner ### Why? * In future this allows to reclaim memory for finished jobs * It looks nicer in tracing Closes PACK-2561
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| import * as Log from '../build/output/log' | ||
| import createSpinner from './spinner' | ||
|
|
||
| function divideSegments(number: number, segments: number): number[] { | ||
| const result = [] | ||
| while (number > 0 && segments > 0) { | ||
| const dividedNumber = | ||
| number < segments ? number : Math.floor(number / segments) | ||
|
|
||
| number -= dividedNumber | ||
| segments-- | ||
| result.push(dividedNumber) | ||
| } | ||
| return result | ||
| } | ||
|
|
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| export const createProgress = (total: number, label: string) => { | ||
| const segments = divideSegments(total, 4) | ||
|
|
||
| if (total === 0) { | ||
| throw new Error('invariant: progress total can not be zero') | ||
| } | ||
| let currentSegmentTotal = segments.shift() | ||
| let currentSegmentCount = 0 | ||
| let lastProgressOutput = Date.now() | ||
| let curProgress = 0 | ||
| let progressSpinner = createSpinner(`${label} (${curProgress}/${total})`, { | ||
| spinner: { | ||
| frames: [ | ||
| '[ ]', | ||
| '[= ]', | ||
| '[== ]', | ||
| '[=== ]', | ||
| '[ ===]', | ||
| '[ ==]', | ||
| '[ =]', | ||
| '[ ]', | ||
| '[ =]', | ||
| '[ ==]', | ||
| '[ ===]', | ||
| '[====]', | ||
| '[=== ]', | ||
| '[== ]', | ||
| '[= ]', | ||
| ], | ||
| interval: 200, | ||
| }, | ||
| }) | ||
|
|
||
| return () => { | ||
| curProgress++ | ||
|
|
||
| // Make sure we only log once | ||
| // - per fully generated segment, or | ||
| // - per minute | ||
| // when not showing the spinner | ||
| if (!progressSpinner) { | ||
| currentSegmentCount++ | ||
|
|
||
| if (currentSegmentCount === currentSegmentTotal) { | ||
| currentSegmentTotal = segments.shift() | ||
| currentSegmentCount = 0 | ||
| } else if (lastProgressOutput + 60000 > Date.now()) { | ||
| return | ||
| } | ||
|
|
||
| lastProgressOutput = Date.now() | ||
| } | ||
|
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| const isFinished = curProgress === total | ||
| if (progressSpinner && !isFinished) { | ||
| progressSpinner.setText(`${label} (${curProgress}/${total})`) | ||
| } else { | ||
| if (progressSpinner) { | ||
| progressSpinner.stop() | ||
| } | ||
| console.log( | ||
| ` ${ | ||
| isFinished ? Log.prefixes.event : Log.prefixes.info | ||
| } ${label} (${curProgress}/${total}) ${ | ||
| isFinished ? '' : process.stdout.isTTY ? '\n' : '\r' | ||
| }` | ||
| ) | ||
| } | ||
| } | ||
| } |
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