| [6a3a178] | 1 | // Update with any zlib constants that are added or changed in the future.
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| 2 | // Node v6 didn't export this, so we just hard code the version and rely
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| 3 | // on all the other hard-coded values from zlib v4736. When node v6
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| 4 | // support drops, we can just export the realZlibConstants object.
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| 5 | const realZlibConstants = require('zlib').constants ||
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| 6 | /* istanbul ignore next */ { ZLIB_VERNUM: 4736 }
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| 7 |
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| 8 | module.exports = Object.freeze(Object.assign(Object.create(null), {
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| 9 | Z_NO_FLUSH: 0,
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| 10 | Z_PARTIAL_FLUSH: 1,
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| 11 | Z_SYNC_FLUSH: 2,
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| 12 | Z_FULL_FLUSH: 3,
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| 13 | Z_FINISH: 4,
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| 14 | Z_BLOCK: 5,
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| 15 | Z_OK: 0,
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| 16 | Z_STREAM_END: 1,
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| 17 | Z_NEED_DICT: 2,
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| 18 | Z_ERRNO: -1,
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| 19 | Z_STREAM_ERROR: -2,
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| 20 | Z_DATA_ERROR: -3,
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| 21 | Z_MEM_ERROR: -4,
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| 22 | Z_BUF_ERROR: -5,
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| 23 | Z_VERSION_ERROR: -6,
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| 24 | Z_NO_COMPRESSION: 0,
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| 25 | Z_BEST_SPEED: 1,
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| 26 | Z_BEST_COMPRESSION: 9,
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| 27 | Z_DEFAULT_COMPRESSION: -1,
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| 28 | Z_FILTERED: 1,
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| 29 | Z_HUFFMAN_ONLY: 2,
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| 30 | Z_RLE: 3,
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| 31 | Z_FIXED: 4,
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| 32 | Z_DEFAULT_STRATEGY: 0,
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| 33 | DEFLATE: 1,
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| 34 | INFLATE: 2,
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| 35 | GZIP: 3,
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| 36 | GUNZIP: 4,
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| 37 | DEFLATERAW: 5,
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| 38 | INFLATERAW: 6,
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| 39 | UNZIP: 7,
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| 40 | BROTLI_DECODE: 8,
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| 41 | BROTLI_ENCODE: 9,
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| 42 | Z_MIN_WINDOWBITS: 8,
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| 43 | Z_MAX_WINDOWBITS: 15,
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| 44 | Z_DEFAULT_WINDOWBITS: 15,
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| 45 | Z_MIN_CHUNK: 64,
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| 46 | Z_MAX_CHUNK: Infinity,
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| 47 | Z_DEFAULT_CHUNK: 16384,
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| 48 | Z_MIN_MEMLEVEL: 1,
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| 49 | Z_MAX_MEMLEVEL: 9,
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| 50 | Z_DEFAULT_MEMLEVEL: 8,
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| 51 | Z_MIN_LEVEL: -1,
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| 52 | Z_MAX_LEVEL: 9,
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| 53 | Z_DEFAULT_LEVEL: -1,
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| 54 | BROTLI_OPERATION_PROCESS: 0,
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| 55 | BROTLI_OPERATION_FLUSH: 1,
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| 56 | BROTLI_OPERATION_FINISH: 2,
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| 57 | BROTLI_OPERATION_EMIT_METADATA: 3,
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| 58 | BROTLI_MODE_GENERIC: 0,
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| 59 | BROTLI_MODE_TEXT: 1,
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| 60 | BROTLI_MODE_FONT: 2,
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| 61 | BROTLI_DEFAULT_MODE: 0,
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| 62 | BROTLI_MIN_QUALITY: 0,
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| 63 | BROTLI_MAX_QUALITY: 11,
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| 64 | BROTLI_DEFAULT_QUALITY: 11,
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| 65 | BROTLI_MIN_WINDOW_BITS: 10,
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| 66 | BROTLI_MAX_WINDOW_BITS: 24,
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| 67 | BROTLI_LARGE_MAX_WINDOW_BITS: 30,
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| 68 | BROTLI_DEFAULT_WINDOW: 22,
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| 69 | BROTLI_MIN_INPUT_BLOCK_BITS: 16,
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| 70 | BROTLI_MAX_INPUT_BLOCK_BITS: 24,
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| 71 | BROTLI_PARAM_MODE: 0,
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| 72 | BROTLI_PARAM_QUALITY: 1,
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| 73 | BROTLI_PARAM_LGWIN: 2,
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| 74 | BROTLI_PARAM_LGBLOCK: 3,
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| 75 | BROTLI_PARAM_DISABLE_LITERAL_CONTEXT_MODELING: 4,
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| 76 | BROTLI_PARAM_SIZE_HINT: 5,
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| 77 | BROTLI_PARAM_LARGE_WINDOW: 6,
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| 78 | BROTLI_PARAM_NPOSTFIX: 7,
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| 79 | BROTLI_PARAM_NDIRECT: 8,
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| 80 | BROTLI_DECODER_RESULT_ERROR: 0,
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| 81 | BROTLI_DECODER_RESULT_SUCCESS: 1,
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| 82 | BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT: 2,
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| 83 | BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT: 3,
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| 84 | BROTLI_DECODER_PARAM_DISABLE_RING_BUFFER_REALLOCATION: 0,
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| 85 | BROTLI_DECODER_PARAM_LARGE_WINDOW: 1,
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| 86 | BROTLI_DECODER_NO_ERROR: 0,
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| 87 | BROTLI_DECODER_SUCCESS: 1,
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| 88 | BROTLI_DECODER_NEEDS_MORE_INPUT: 2,
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| 89 | BROTLI_DECODER_NEEDS_MORE_OUTPUT: 3,
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| 90 | BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_NIBBLE: -1,
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| 91 | BROTLI_DECODER_ERROR_FORMAT_RESERVED: -2,
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| 92 | BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_META_NIBBLE: -3,
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| 93 | BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_ALPHABET: -4,
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| 94 | BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_SAME: -5,
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| 95 | BROTLI_DECODER_ERROR_FORMAT_CL_SPACE: -6,
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| 96 | BROTLI_DECODER_ERROR_FORMAT_HUFFMAN_SPACE: -7,
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| 97 | BROTLI_DECODER_ERROR_FORMAT_CONTEXT_MAP_REPEAT: -8,
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| 98 | BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_1: -9,
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| 99 | BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_2: -10,
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| 100 | BROTLI_DECODER_ERROR_FORMAT_TRANSFORM: -11,
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| 101 | BROTLI_DECODER_ERROR_FORMAT_DICTIONARY: -12,
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| 102 | BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS: -13,
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| 103 | BROTLI_DECODER_ERROR_FORMAT_PADDING_1: -14,
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| 104 | BROTLI_DECODER_ERROR_FORMAT_PADDING_2: -15,
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| 105 | BROTLI_DECODER_ERROR_FORMAT_DISTANCE: -16,
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| 106 | BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET: -19,
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| 107 | BROTLI_DECODER_ERROR_INVALID_ARGUMENTS: -20,
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| 108 | BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MODES: -21,
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| 109 | BROTLI_DECODER_ERROR_ALLOC_TREE_GROUPS: -22,
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| 110 | BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MAP: -25,
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| 111 | BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_1: -26,
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| 112 | BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2: -27,
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| 113 | BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES: -30,
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| 114 | BROTLI_DECODER_ERROR_UNREACHABLE: -31,
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| 115 | }, realZlibConstants))
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