Function extractSourcemapFromFile

packages/vite/src/node/server/sourcemap.ts:202–221

(
  code: string,
  filePath: string,
  logger: Logger,
)

}

export function extractSourcemapFromFile(
  code: string,
  filePath: string,
  logger: Logger,
): { code: string; map: SourceMap } | undefined {
  const map = (
    convertSourceMap.fromSource(code) ||
    convertSourceMap.fromMapFileSource(
      code,
      createConvertSourceMapReadMap(filePath, logger),
    )
  )?.toObject()

  if (map) {
    return {
      code: code.replace(convertSourceMap.mapFileCommentRegex, blankReplacer),
      map,
    }
  }
}

function createConvertSourceMapReadMap(
  originalFileName: string,