Function updateLineEndingFlagsFromBytes

packages/kaos/src/local.ts:790–814

(
  flags: LineEndingFlags,
  chunk: Buffer,
  prevWasCr: boolean,
)

}

function updateLineEndingFlagsFromBytes(
  flags: LineEndingFlags,
  chunk: Buffer,
  prevWasCr: boolean,
): boolean {
  for (let i = 0; i < chunk.length; i += 1) {
    const byte = chunk[i];
    if (byte === undefined) continue;
    if (byte === 0x0d) {
      if (prevWasCr) flags.hasLoneCr = true;
      prevWasCr = true;
    } else if (byte === 0x0a) {
      if (prevWasCr) {
        flags.hasCrLf = true;
      } else {
        flags.hasLf = true;
      }
      prevWasCr = false;
    } else {
      if (prevWasCr) flags.hasLoneCr = true;
      prevWasCr = false;
    }
  }
  return prevWasCr;
}

function createUtf8Validator(): { write(chunk: Buffer): void; end(): void } {
  let needed = 0;