Function makeCrcTable

src/utils/ansiToPng.ts:272–282

()

const CRC_TABLE = makeCrcTable()

function makeCrcTable(): Uint32Array {
  const t = new Uint32Array(256)
  for (let n = 0; n < 256; n++) {
    let c = n
    for (let k = 0; k < 8; k++) {
      c = c & 1 ? 0xedb88320 ^ (c >>> 1) : c >>> 1
    }
    t[n] = c >>> 0
  }
  return t
}

function crc32(data: Uint8Array): number {
  let c = 0xffffffff