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Add logging when a custom babelrc is loaded #26570

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Merged
merged 2 commits into from
Jun 24, 2021
Merged

Add logging when a custom babelrc is loaded #26570

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bdf3d80
Add back logging when a custom babelrc is loaded
timneutkens Jun 24, 2021
6f1cbb6
Merge branch 'canary' into fix/logging-babel
kodiakhq[bot] Jun 24, 2021
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17 changes: 12 additions & 5 deletions packages/next/build/babel/loader/get-config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ import loadConfig from 'next/dist/compiled/babel/core-lib-config'

import { NextBabelLoaderOptions, NextJsLoaderContext } from './types'
import { consumeIterator } from './util'
import * as Log from '../../output/log'

const nextDistPath = /(next[\\/]dist[\\/]next-server[\\/]lib)|(next[\\/]dist[\\/]client)|(next[\\/]dist[\\/]pages)/

Expand Down Expand Up @@ -181,11 +182,6 @@ function getFreshConfig(
configFile,
} = loaderOptions

// Ensures webpack invalidates the cache for this loader when the config file changes
if (configFile) {
this.addDependency(configFile)
}

let customConfig: any = configFile
? getCustomBabelConfig(configFile)
: undefined
Expand Down Expand Up @@ -329,6 +325,11 @@ export default function getConfig(
filename
)

if (loaderOptions.configFile) {
// Ensures webpack invalidates the cache for this loader when the config file changes
this.addDependency(loaderOptions.configFile)
}

const cacheKey = getCacheKey(cacheCharacteristics)
if (configCache.has(cacheKey)) {
const cachedConfig = configCache.get(cacheKey)
Expand All @@ -345,6 +346,12 @@ export default function getConfig(
}
}

if (loaderOptions.configFile) {
Log.info(
`Using external babel configuration from ${loaderOptions.configFile}`
)
}

const freshConfig = getFreshConfig.call(
this,
cacheCharacteristics,
Expand Down