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69 lines
2.3 KiB
69 lines
2.3 KiB
2 years ago
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'use strict';
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// (C) 1995-2013 Jean-loup Gailly and Mark Adler
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// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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module.exports = {
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/* Allowed flush values; see deflate() and inflate() below for details */
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Z_NO_FLUSH: 0,
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Z_PARTIAL_FLUSH: 1,
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Z_SYNC_FLUSH: 2,
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Z_FULL_FLUSH: 3,
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Z_FINISH: 4,
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Z_BLOCK: 5,
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Z_TREES: 6,
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/* Return codes for the compression/decompression functions. Negative values
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* are errors, positive values are used for special but normal events.
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*/
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Z_OK: 0,
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Z_STREAM_END: 1,
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Z_NEED_DICT: 2,
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Z_ERRNO: -1,
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Z_STREAM_ERROR: -2,
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Z_DATA_ERROR: -3,
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//Z_MEM_ERROR: -4,
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Z_BUF_ERROR: -5,
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//Z_VERSION_ERROR: -6,
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/* compression levels */
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Z_NO_COMPRESSION: 0,
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Z_BEST_SPEED: 1,
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Z_BEST_COMPRESSION: 9,
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Z_DEFAULT_COMPRESSION: -1,
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Z_FILTERED: 1,
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Z_HUFFMAN_ONLY: 2,
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Z_RLE: 3,
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Z_FIXED: 4,
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Z_DEFAULT_STRATEGY: 0,
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/* Possible values of the data_type field (though see inflate()) */
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Z_BINARY: 0,
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Z_TEXT: 1,
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//Z_ASCII: 1, // = Z_TEXT (deprecated)
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Z_UNKNOWN: 2,
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/* The deflate compression method */
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Z_DEFLATED: 8
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//Z_NULL: null // Use -1 or null inline, depending on var type
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};
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