Function readFileSyncWithMetadata

source code/utils/fileRead.ts:77–100

(filePath: string)

 * readSync(4KB).
 */
export function readFileSyncWithMetadata(filePath: string): {
  content: string
  encoding: BufferEncoding
  lineEndings: LineEndingType
} {
  const fs = getFsImplementation()
  const { resolvedPath, isSymlink } = safeResolvePath(fs, filePath)

  if (isSymlink) {
    logForDebugging(`Reading through symlink: ${filePath} -> ${resolvedPath}`)
  }

  const encoding = detectEncodingForResolvedPath(resolvedPath)
  const raw = fs.readFileSync(resolvedPath, { encoding })
  // Detect line endings from the raw head before CRLF normalization erases
  // the distinction. 4096 code units is ≥ detectLineEndings's 4096-byte
  // readSync sample (line endings are ASCII, so the unit mismatch is moot).
  const lineEndings = detectLineEndingsForString(raw.slice(0, 4096))
  return {
    content: raw.replaceAll('\r\n', '\n'),
    encoding,
    lineEndings,
  }
}

export function readFileSync(filePath: string): string {
  return readFileSyncWithMetadata(filePath).content