| 'use strict'; |
| |
| // (C) 1995-2013 Jean-loup Gailly and Mark Adler |
| // (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin |
| // |
| // This software is provided 'as-is', without any express or implied |
| // warranty. In no event will the authors be held liable for any damages |
| // arising from the use of this software. |
| // |
| // Permission is granted to anyone to use this software for any purpose, |
| // including commercial applications, and to alter it and redistribute it |
| // freely, subject to the following restrictions: |
| // |
| // 1. The origin of this software must not be misrepresented; you must not |
| // claim that you wrote the original software. If you use this software |
| // in a product, an acknowledgment in the product documentation would be |
| // appreciated but is not required. |
| // 2. Altered source versions must be plainly marked as such, and must not be |
| // misrepresented as being the original software. |
| // 3. This notice may not be removed or altered from any source distribution. |
| |
| module.exports = { |
| |
| /* Allowed flush values; see deflate() and inflate() below for details */ |
| Z_NO_FLUSH: 0, |
| Z_PARTIAL_FLUSH: 1, |
| Z_SYNC_FLUSH: 2, |
| Z_FULL_FLUSH: 3, |
| Z_FINISH: 4, |
| Z_BLOCK: 5, |
| Z_TREES: 6, |
| |
| /* Return codes for the compression/decompression functions. Negative values |
| * are errors, positive values are used for special but normal events. |
| */ |
| 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, |
| |
| /* compression levels */ |
| 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, |
| |
| /* Possible values of the data_type field (though see inflate()) */ |
| Z_BINARY: 0, |
| Z_TEXT: 1, |
| //Z_ASCII: 1, // = Z_TEXT (deprecated) |
| Z_UNKNOWN: 2, |
| |
| /* The deflate compression method */ |
| Z_DEFLATED: 8 |
| //Z_NULL: null // Use -1 or null inline, depending on var type |
| }; |