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Display experimental features for next build (#57152)
Display full information of experimental features in `next build`, so we'll have full insights for build logs Close NEXT-1697 * `next build` <img width="668" alt="image" src="https://github.com/vercel/next.js/assets/4800338/6ab75923-0336-4624-905f-347fedbff5a9">
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| import { loadEnvConfig } from '@next/env' | ||
| import * as Log from '../../build/output/log' | ||
| import { bold, purple } from '../../lib/picocolors' | ||
| import { PHASE_DEVELOPMENT_SERVER } from '../../shared/lib/constants' | ||
| import loadConfig, { getEnabledExperimentalFeatures } from '../config' | ||
|
|
||
| export function logStartInfo({ | ||
| networkUrl, | ||
| appUrl, | ||
| envInfo, | ||
| expFeatureInfo, | ||
| formatDurationText, | ||
| maxExperimentalFeatures, | ||
| }: { | ||
| networkUrl: string | null | ||
| appUrl: string | null | ||
| formatDurationText: string | null | ||
| maxExperimentalFeatures?: number | ||
| envInfo?: string[] | ||
| expFeatureInfo?: string[] | ||
| }) { | ||
| Log.bootstrap( | ||
| bold(purple(`${Log.prefixes.ready} Next.js ${process.env.__NEXT_VERSION}`)) | ||
| ) | ||
| if (appUrl) { | ||
| Log.bootstrap(`- Local: ${appUrl}`) | ||
| } | ||
| if (networkUrl) { | ||
| Log.bootstrap(`- Network: ${networkUrl}`) | ||
| } | ||
| if (envInfo?.length) Log.bootstrap(`- Environments: ${envInfo.join(', ')}`) | ||
|
|
||
| if (expFeatureInfo?.length) { | ||
| Log.bootstrap(`- Experiments (use at your own risk):`) | ||
| // only show maximum 3 flags | ||
| for (const exp of expFeatureInfo.slice(0, maxExperimentalFeatures)) { | ||
| Log.bootstrap(` · ${exp}`) | ||
| } | ||
| /* ${expFeatureInfo.length - 3} more */ | ||
| if (expFeatureInfo.length > 3 && maxExperimentalFeatures) { | ||
| Log.bootstrap(` · ...`) | ||
| } | ||
| } | ||
|
|
||
| // New line after the bootstrap info | ||
| Log.info('') | ||
| if (formatDurationText) { | ||
| Log.event(`Ready in ${formatDurationText}`) | ||
| } | ||
| } | ||
|
|
||
| export async function getStartServerInfo(dir: string): Promise<{ | ||
| envInfo?: string[] | ||
| expFeatureInfo?: string[] | ||
| }> { | ||
| let expFeatureInfo: string[] = [] | ||
| await loadConfig(PHASE_DEVELOPMENT_SERVER, dir, { | ||
| onLoadUserConfig(userConfig) { | ||
| const userNextConfigExperimental = getEnabledExperimentalFeatures( | ||
| userConfig.experimental | ||
| ) | ||
| expFeatureInfo = userNextConfigExperimental.sort( | ||
| (a, b) => a.length - b.length | ||
| ) | ||
| }, | ||
| }) | ||
|
|
||
| // we need to reset env if we are going to create | ||
| // the worker process with the esm loader so that the | ||
| // initial env state is correct | ||
| let envInfo: string[] = [] | ||
| const { loadedEnvFiles } = loadEnvConfig(dir, true, console, false) | ||
| if (loadedEnvFiles.length > 0) { | ||
| envInfo = loadedEnvFiles.map((f) => f.path) | ||
| } | ||
|
|
||
| return { | ||
| envInfo, | ||
| expFeatureInfo, | ||
| } | ||
| } |
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