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/home/byroehnu/.trash/node_modules11/qrcode/lib/core/error-correction-code.js

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const ECLevel = require('./error-correction-level')

const EC_BLOCKS_TABLE = [
// L  M  Q  H
  1, 1, 1, 1,
  1, 1, 1, 1,
  1, 1, 2, 2,
  1, 2, 2, 4,
  1, 2, 4, 4,
  2, 4, 4, 4,
  2, 4, 6, 5,
  2, 4, 6, 6,
  2, 5, 8, 8,
  4, 5, 8, 8,
  4, 5, 8, 11,
  4, 8, 10, 11,
  4, 9, 12, 16,
  4, 9, 16, 16,
  6, 10, 12, 18,
  6, 10, 17, 16,
  6, 11, 16, 19,
  6, 13, 18, 21,
  7, 14, 21, 25,
  8, 16, 20, 25,
  8, 17, 23, 25,
  9, 17, 23, 34,
  9, 18, 25, 30,
  10, 20, 27, 32,
  12, 21, 29, 35,
  12, 23, 34, 37,
  12, 25, 34, 40,
  13, 26, 35, 42,
  14, 28, 38, 45,
  15, 29, 40, 48,
  16, 31, 43, 51,
  17, 33, 45, 54,
  18, 35, 48, 57,
  19, 37, 51, 60,
  19, 38, 53, 63,
  20, 40, 56, 66,
  21, 43, 59, 70,
  22, 45, 62, 74,
  24, 47, 65, 77,
  25, 49, 68, 81
]

const EC_CODEWORDS_TABLE = [
// L  M  Q  H
  7, 10, 13, 17,
  10, 16, 22, 28,
  15, 26, 36, 44,
  20, 36, 52, 64,
  26, 48, 72, 88,
  36, 64, 96, 112,
  40, 72, 108, 130,
  48, 88, 132, 156,
  60, 110, 160, 192,
  72, 130, 192, 224,
  80, 150, 224, 264,
  96, 176, 260, 308,
  104, 198, 288, 352,
  120, 216, 320, 384,
  132, 240, 360, 432,
  144, 280, 408, 480,
  168, 308, 448, 532,
  180, 338, 504, 588,
  196, 364, 546, 650,
  224, 416, 600, 700,
  224, 442, 644, 750,
  252, 476, 690, 816,
  270, 504, 750, 900,
  300, 560, 810, 960,
  312, 588, 870, 1050,
  336, 644, 952, 1110,
  360, 700, 1020, 1200,
  390, 728, 1050, 1260,
  420, 784, 1140, 1350,
  450, 812, 1200, 1440,
  480, 868, 1290, 1530,
  510, 924, 1350, 1620,
  540, 980, 1440, 1710,
  570, 1036, 1530, 1800,
  570, 1064, 1590, 1890,
  600, 1120, 1680, 1980,
  630, 1204, 1770, 2100,
  660, 1260, 1860, 2220,
  720, 1316, 1950, 2310,
  750, 1372, 2040, 2430
]

/**
 * Returns the number of error correction block that the QR Code should contain
 * for the specified version and error correction level.
 *
 * @param  {Number} version              QR Code version
 * @param  {Number} errorCorrectionLevel Error correction level
 * @return {Number}                      Number of error correction blocks
 */
exports.getBlocksCount = function getBlocksCount (version, errorCorrectionLevel) {
  switch (errorCorrectionLevel) {
    case ECLevel.L:
      return EC_BLOCKS_TABLE[(version - 1) * 4 + 0]
    case ECLevel.M:
      return EC_BLOCKS_TABLE[(version - 1) * 4 + 1]
    case ECLevel.Q:
      return EC_BLOCKS_TABLE[(version - 1) * 4 + 2]
    case ECLevel.H:
      return EC_BLOCKS_TABLE[(version - 1) * 4 + 3]
    default:
      return undefined
  }
}

/**
 * Returns the number of error correction codewords to use for the specified
 * version and error correction level.
 *
 * @param  {Number} version              QR Code version
 * @param  {Number} errorCorrectionLevel Error correction level
 * @return {Number}                      Number of error correction codewords
 */
exports.getTotalCodewordsCount = function getTotalCodewordsCount (version, errorCorrectionLevel) {
  switch (errorCorrectionLevel) {
    case ECLevel.L:
      return EC_CODEWORDS_TABLE[(version - 1) * 4 + 0]
    case ECLevel.M:
      return EC_CODEWORDS_TABLE[(version - 1) * 4 + 1]
    case ECLevel.Q:
      return EC_CODEWORDS_TABLE[(version - 1) * 4 + 2]
    case ECLevel.H:
      return EC_CODEWORDS_TABLE[(version - 1) * 4 + 3]
    default:
      return undefined
  }
}

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alignment-pattern.js	2.93 KB	lrw-r--r--	2026-02-27 09:44:58	Edit Download recursive recursive
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byte-data.js	675 B	lrw-r--r--	2026-02-27 09:45:00	Edit Download recursive recursive
error-correction-code.js	3.33 KB	lrw-r--r--	2026-02-27 09:45:00	Edit Download recursive recursive
error-correction-level.js	893 B	lrw-r--r--	2026-02-27 09:45:00	Edit Download recursive recursive
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