Function countNewlines

src/utils/readEditContext.ts:153–157

(buf: Buffer, start: number, end: number)

}

function countNewlines(buf: Buffer, start: number, end: number): number {
  let n = 0
  for (let i = start; i < end; i++) if (buf[i] === NL) n++
  return n
}

/** Decode buf[0..len) to utf8, normalizing CRLF only if CR is present. */
function normalizeCRLF(buf: Buffer, len: number): string {