knowledge/node_modules/buffer-crc32/dist/index.cjs

'use strict';

function getDefaultExportFromCjs (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

const CRC_TABLE = new Int32Array([
  0,
  1996959894,
  3993919788,
  2567524794,
  124634137,
  1886057615,
  3915621685,
  2657392035,
  249268274,
  2044508324,
  3772115230,
  2547177864,
  162941995,
  2125561021,
  3887607047,
  2428444049,
  498536548,
  1789927666,
  4089016648,
  2227061214,
  450548861,
  1843258603,
  4107580753,
  2211677639,
  325883990,
  1684777152,
  4251122042,
  2321926636,
  335633487,
  1661365465,
  4195302755,
  2366115317,
  997073096,
  1281953886,
  3579855332,
  2724688242,
  1006888145,
  1258607687,
  3524101629,
  2768942443,
  901097722,
  1119000684,
  3686517206,
  2898065728,
  853044451,
  1172266101,
  3705015759,
  2882616665,
  651767980,
  1373503546,
  3369554304,
  3218104598,
  565507253,
  1454621731,
  3485111705,
  3099436303,
  671266974,
  1594198024,
  3322730930,
  2970347812,
  795835527,
  1483230225,
  3244367275,
  3060149565,
  1994146192,
  31158534,
  2563907772,
  4023717930,
  1907459465,
  112637215,
  2680153253,
  3904427059,
  2013776290,
  251722036,
  2517215374,
  3775830040,
  2137656763,
  141376813,
  2439277719,
  3865271297,
  1802195444,
  476864866,
  2238001368,
  4066508878,
  1812370925,
  453092731,
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  1706088902,
  314042704,
  2344532202,
  4240017532,
  1658658271,
  366619977,
  2362670323,
  4224994405,
  1303535960,
  984961486,
  2747007092,
  3569037538,
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  1131014506,
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  2909243462,
  3663771856,
  1141124467,
  855842277,
  2852801631,
  3708648649,
  1342533948,
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  2825379669,
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  3412177804,
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  1426400815,
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  733239954,
  1555261956,
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  752459403,
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  2463272603,
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  198958881,
  2262029012,
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  1873836001,
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  2282248934,
  4279200368,
  1711684554,
  285281116,
  2405801727,
  4167216745,
  1634467795,
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  2685067896,
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  956543938,
  2808555105,
  3495958263,
  1231636301,
  1047427035,
  2932959818,
  3654703836,
  1088359270,
  936918e3,
  2847714899,
  3736837829,
  1202900863,
  817233897,
  3183342108,
  3401237130,
  1404277552,
  615818150,
  3134207493,
  3453421203,
  1423857449,
  601450431,
  3009837614,
  3294710456,
  1567103746,
  711928724,
  3020668471,
  3272380065,
  1510334235,
  755167117
]);
function ensureBuffer(input) {
  if (Buffer.isBuffer(input)) {
    return input;
  }
  if (typeof input === "number") {
    return Buffer.alloc(input);
  } else if (typeof input === "string") {
    return Buffer.from(input);
  } else {
    throw new Error("input must be buffer, number, or string, received " + typeof input);
  }
}
function bufferizeInt(num) {
  const tmp = ensureBuffer(4);
  tmp.writeInt32BE(num, 0);
  return tmp;
}
function _crc32(buf, previous) {
  buf = ensureBuffer(buf);
  if (Buffer.isBuffer(previous)) {
    previous = previous.readUInt32BE(0);
  }
  let crc = ~~previous ^ -1;
  for (var n = 0; n < buf.length; n++) {
    crc = CRC_TABLE[(crc ^ buf[n]) & 255] ^ crc >>> 8;
  }
  return crc ^ -1;
}
function crc32() {
  return bufferizeInt(_crc32.apply(null, arguments));
}
crc32.signed = function() {
  return _crc32.apply(null, arguments);
};
crc32.unsigned = function() {
  return _crc32.apply(null, arguments) >>> 0;
};
var bufferCrc32 = crc32;

const index = /*@__PURE__*/getDefaultExportFromCjs(bufferCrc32);

module.exports = index;