| // Update with any zlib constants that are added or changed in the future. |
| // Node v6 didn't export this, so we just hard code the version and rely |
| // on all the other hard-coded values from zlib v4736. When node v6 |
| // support drops, we can just export the realZlibConstants object. |
| const realZlibConstants = require('zlib').constants || |
| /* istanbul ignore next */ { ZLIB_VERNUM: 4736 } |
| |
| module.exports = Object.freeze(Object.assign(Object.create(null), { |
| Z_NO_FLUSH: 0, |
| Z_PARTIAL_FLUSH: 1, |
| Z_SYNC_FLUSH: 2, |
| Z_FULL_FLUSH: 3, |
| Z_FINISH: 4, |
| Z_BLOCK: 5, |
| Z_OK: 0, |
| Z_STREAM_END: 1, |
| Z_NEED_DICT: 2, |
| Z_ERRNO: -1, |
| Z_STREAM_ERROR: -2, |
| Z_DATA_ERROR: -3, |
| Z_MEM_ERROR: -4, |
| Z_BUF_ERROR: -5, |
| Z_VERSION_ERROR: -6, |
| Z_NO_COMPRESSION: 0, |
| Z_BEST_SPEED: 1, |
| Z_BEST_COMPRESSION: 9, |
| Z_DEFAULT_COMPRESSION: -1, |
| Z_FILTERED: 1, |
| Z_HUFFMAN_ONLY: 2, |
| Z_RLE: 3, |
| Z_FIXED: 4, |
| Z_DEFAULT_STRATEGY: 0, |
| DEFLATE: 1, |
| INFLATE: 2, |
| GZIP: 3, |
| GUNZIP: 4, |
| DEFLATERAW: 5, |
| INFLATERAW: 6, |
| UNZIP: 7, |
| BROTLI_DECODE: 8, |
| BROTLI_ENCODE: 9, |
| Z_MIN_WINDOWBITS: 8, |
| Z_MAX_WINDOWBITS: 15, |
| Z_DEFAULT_WINDOWBITS: 15, |
| Z_MIN_CHUNK: 64, |
| Z_MAX_CHUNK: Infinity, |
| Z_DEFAULT_CHUNK: 16384, |
| Z_MIN_MEMLEVEL: 1, |
| Z_MAX_MEMLEVEL: 9, |
| Z_DEFAULT_MEMLEVEL: 8, |
| Z_MIN_LEVEL: -1, |
| Z_MAX_LEVEL: 9, |
| Z_DEFAULT_LEVEL: -1, |
| BROTLI_OPERATION_PROCESS: 0, |
| BROTLI_OPERATION_FLUSH: 1, |
| BROTLI_OPERATION_FINISH: 2, |
| BROTLI_OPERATION_EMIT_METADATA: 3, |
| BROTLI_MODE_GENERIC: 0, |
| BROTLI_MODE_TEXT: 1, |
| BROTLI_MODE_FONT: 2, |
| BROTLI_DEFAULT_MODE: 0, |
| BROTLI_MIN_QUALITY: 0, |
| BROTLI_MAX_QUALITY: 11, |
| BROTLI_DEFAULT_QUALITY: 11, |
| BROTLI_MIN_WINDOW_BITS: 10, |
| BROTLI_MAX_WINDOW_BITS: 24, |
| BROTLI_LARGE_MAX_WINDOW_BITS: 30, |
| BROTLI_DEFAULT_WINDOW: 22, |
| BROTLI_MIN_INPUT_BLOCK_BITS: 16, |
| BROTLI_MAX_INPUT_BLOCK_BITS: 24, |
| BROTLI_PARAM_MODE: 0, |
| BROTLI_PARAM_QUALITY: 1, |
| BROTLI_PARAM_LGWIN: 2, |
| BROTLI_PARAM_LGBLOCK: 3, |
| BROTLI_PARAM_DISABLE_LITERAL_CONTEXT_MODELING: 4, |
| BROTLI_PARAM_SIZE_HINT: 5, |
| BROTLI_PARAM_LARGE_WINDOW: 6, |
| BROTLI_PARAM_NPOSTFIX: 7, |
| BROTLI_PARAM_NDIRECT: 8, |
| BROTLI_DECODER_RESULT_ERROR: 0, |
| BROTLI_DECODER_RESULT_SUCCESS: 1, |
| BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT: 2, |
| BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT: 3, |
| BROTLI_DECODER_PARAM_DISABLE_RING_BUFFER_REALLOCATION: 0, |
| BROTLI_DECODER_PARAM_LARGE_WINDOW: 1, |
| BROTLI_DECODER_NO_ERROR: 0, |
| BROTLI_DECODER_SUCCESS: 1, |
| BROTLI_DECODER_NEEDS_MORE_INPUT: 2, |
| BROTLI_DECODER_NEEDS_MORE_OUTPUT: 3, |
| BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_NIBBLE: -1, |
| BROTLI_DECODER_ERROR_FORMAT_RESERVED: -2, |
| BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_META_NIBBLE: -3, |
| BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_ALPHABET: -4, |
| BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_SAME: -5, |
| BROTLI_DECODER_ERROR_FORMAT_CL_SPACE: -6, |
| BROTLI_DECODER_ERROR_FORMAT_HUFFMAN_SPACE: -7, |
| BROTLI_DECODER_ERROR_FORMAT_CONTEXT_MAP_REPEAT: -8, |
| BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_1: -9, |
| BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_2: -10, |
| BROTLI_DECODER_ERROR_FORMAT_TRANSFORM: -11, |
| BROTLI_DECODER_ERROR_FORMAT_DICTIONARY: -12, |
| BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS: -13, |
| BROTLI_DECODER_ERROR_FORMAT_PADDING_1: -14, |
| BROTLI_DECODER_ERROR_FORMAT_PADDING_2: -15, |
| BROTLI_DECODER_ERROR_FORMAT_DISTANCE: -16, |
| BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET: -19, |
| BROTLI_DECODER_ERROR_INVALID_ARGUMENTS: -20, |
| BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MODES: -21, |
| BROTLI_DECODER_ERROR_ALLOC_TREE_GROUPS: -22, |
| BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MAP: -25, |
| BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_1: -26, |
| BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2: -27, |
| BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES: -30, |
| BROTLI_DECODER_ERROR_UNREACHABLE: -31, |
| }, realZlibConstants)) |
