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import type { Span } from '../../../trace'
import transform from './transform'
import type { NextJsLoaderContext } from './types'
async function nextBabelLoader(
this: NextJsLoaderContext,
parentTrace: Span,
inputSource: string,
inputSourceMap: object | null | undefined
) {
const filename = this.resourcePath
// Ensure `.d.ts` are not processed.
if (filename.endsWith('.d.ts')) {
return [inputSource, inputSourceMap]
}
const target = this.target
const loaderOptions: any = parentTrace
.traceChild('get-options')
// @ts-ignore TODO: remove ignore once webpack 5 types are used
.traceFn(() => this.getOptions())
if (loaderOptions.exclude && loaderOptions.exclude(filename)) {
return [inputSource, inputSourceMap]
}
const loaderSpanInner = parentTrace.traceChild('next-babel-turbo-transform')
const { code: transformedSource, map: outputSourceMap } =
await loaderSpanInner.traceAsyncFn(
async () =>
await transform.call(
this,
inputSource,
inputSourceMap,
loaderOptions,
filename,
target,
loaderSpanInner
)
)
return [transformedSource, outputSourceMap]
}
const nextBabelLoaderOuter = function nextBabelLoaderOuter(
this: NextJsLoaderContext,
inputSource: string,
inputSourceMap: object | null | undefined
) {
const callback = this.async()
const loaderSpan = this.currentTraceSpan.traceChild('next-babel-turbo-loader')
loaderSpan
.traceAsyncFn(() =>
nextBabelLoader.call(this, loaderSpan, inputSource, inputSourceMap)
)
.then(
([transformedSource, outputSourceMap]: any) =>
callback?.(null, transformedSource, outputSourceMap || inputSourceMap),
(err) => {
callback?.(err)
}
)
}
export default nextBabelLoaderOuter
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