Function crc32

packages/engine/src/utils/alphaBlit.test.ts:23–30

(data: Buffer)

}

function crc32(data: Buffer): number {
  let crc = 0xffffffff;
  const table = crc32Table();
  for (let i = 0; i < data.length; i++) {
    crc = (table[(crc ^ (data[i] ?? 0)) & 0xff] ?? 0) ^ (crc >>> 8);
  }
  return (crc ^ 0xffffffff) >>> 0;
}

let _crcTable: Uint32Array | undefined;
function crc32Table(): Uint32Array {