const.ts

export const BTYPE = Object.freeze({
  UNCOMPRESSED: 0,
  FIXED: 1,
  DYNAMIC: 2,
});

export const BLOCK_MAX_BUFFER_LEN = 131072;

export const LENGTH_EXTRA_BIT_LEN = [
  0,
  0,
  0,
  0,
  0,
  0,
  0,
  0,
  1,
  1,
  1,
  1,
  2,
  2,
  2,
  2,
  3,
  3,
  3,
  3,
  4,
  4,
  4,
  4,
  5,
  5,
  5,
  5,
  0,
];

export const LENGTH_EXTRA_BIT_BASE = [
  3,
  4,
  5,
  6,
  7,
  8,
  9,
  10,
  11,
  13,
  15,
  17,
  19,
  23,
  27,
  31,
  35,
  43,
  51,
  59,
  67,
  83,
  99,
  115,
  131,
  163,
  195,
  227,
  258,
];

export const DISTANCE_EXTRA_BIT_BASE = [
  1,
  2,
  3,
  4,
  5,
  7,
  9,
  13,
  17,
  25,
  33,
  49,
  65,
  97,
  129,
  193,
  257,
  385,
  513,
  769,
  1025,
  1537,
  2049,
  3073,
  4097,
  6145,
  8193,
  12289,
  16385,
  24577,
];
export const DISTANCE_EXTRA_BIT_LEN = [
  0,
  0,
  0,
  0,
  1,
  1,
  2,
  2,
  3,
  3,
  4,
  4,
  5,
  5,
  6,
  6,
  7,
  7,
  8,
  8,
  9,
  9,
  10,
  10,
  11,
  11,
  12,
  12,
  13,
  13,
];

export const CODELEN_VALUES = [
  16,
  17,
  18,
  0,
  8,
  7,
  9,
  6,
  10,
  5,
  11,
  4,
  12,
  3,
  13,
  2,
  14,
  1,
  15,
];