Function encodeBigInt

cbor/_common_encode.ts:155–178

(
  input: bigint,
  output: Uint8Array,
  offset: number,
)

}

function encodeBigInt(
  input: bigint,
  output: Uint8Array,
  offset: number,
): number {
  const isNegative = input < 0n;
  if (isNegative) input = -input - 1n;
  if (input >= 2n ** 64n) {
    output[offset++] = isNegative ? 0b110_00011 : 0b110_00010;
    const bytes = calcBytes(input);
    offset = encodeHeader(0b010_00000, bytes, output, offset);
    for (let i = bytes - 1; i >= 0; --i) {
      output[offset + i] = Number(input & 0xFFn);
      input >>= 8n;
    }
    return offset + bytes;
  }
  return encodeHeader(
    isNegative ? 0b001_00000 : 0b000_00000,
    input,
    output,
    offset,
  );
}

function encodeUint8Array(
  input: Uint8Array,