// Hardcoded module "node:zlib" // TODO: **use a native binding from Bun for this!!** // This is a very slow module! // It should really be fixed. It will show up in benchmarking. It also loads // slowly. We need to fix it! const assert = require("node:assert"); const BufferModule = require("node:buffer"); const StreamModule = require("node:stream"); const Util = require("node:util"); var __getOwnPropNames = Object.getOwnPropertyNames; var __commonJS = (cb, mod) => function __require() { return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports; }; // node_modules/pako/lib/zlib/zstream.js var require_zstream = __commonJS({ "node_modules/pako/lib/zlib/zstream.js"(exports, module2) { "use strict"; function ZStream() { this.input = null; this.next_in = 0; this.avail_in = 0; this.total_in = 0; this.output = null; this.next_out = 0; this.avail_out = 0; this.total_out = 0; this.msg = ""; this.state = null; this.data_type = 2; this.adler = 0; } module2.exports = ZStream; }, }); // node_modules/pako/lib/utils/common.js var require_common = __commonJS({ "node_modules/pako/lib/utils/common.js"(exports) { "use strict"; var TYPED_OK = typeof Uint8Array !== "undefined" && typeof Uint16Array !== "undefined" && typeof Int32Array !== "undefined"; function _has(obj, key) { return Object.prototype.hasOwnProperty.call(obj, key); } exports.assign = function (obj) { var sources = Array.prototype.slice.call(arguments, 1); while (sources.length) { var source = sources.shift(); if (!source) { continue; } if (typeof source !== "object") { throw new TypeError(source + "must be non-object"); } for (var p in source) { if (_has(source, p)) { obj[p] = source[p]; } } } return obj; }; exports.shrinkBuf = function (buf, size) { if (buf.length === size) { return buf; } if (buf.subarray) { return buf.subarray(0, size); } buf.length = size; return buf; }; var fnTyped = { arraySet: function (dest, src, src_offs, len, dest_offs) { if (src.subarray && dest.subarray) { dest.set(src.subarray(src_offs, src_offs + len), dest_offs); return; } for (var i = 0; i < len; i++) { dest[dest_offs + i] = src[src_offs + i]; } }, flattenChunks: function (chunks) { var i, l, len, pos, chunk, result; len = 0; for (i = 0, l = chunks.length; i < l; i++) { len += chunks[i].length; } result = new Uint8Array(len); pos = 0; for (i = 0, l = chunks.length; i < l; i++) { chunk = chunks[i]; result.set(chunk, pos); pos += chunk.length; } return result; }, }; var fnUntyped = { arraySet: function (dest, src, src_offs, len, dest_offs) { for (var i = 0; i < len; i++) { dest[dest_offs + i] = src[src_offs + i]; } }, flattenChunks: function (chunks) { return [].concat.apply([], chunks); }, }; exports.setTyped = function (on) { if (on) { exports.Buf8 = Uint8Array; exports.Buf16 = Uint16Array; exports.Buf32 = Int32Array; exports.assign(exports, fnTyped); } else { exports.Buf8 = Array; exports.Buf16 = Array; exports.Buf32 = Array; exports.assign(exports, fnUntyped); } }; exports.setTyped(TYPED_OK); }, }); // node_modules/pako/lib/zlib/trees.js var require_trees = __commonJS({ "node_modules/pako/lib/zlib/trees.js"(exports) { "use strict"; var utils = require_common(); var Z_FIXED = 4; var Z_BINARY = 0; var Z_TEXT = 1; var Z_UNKNOWN = 2; function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } } var STORED_BLOCK = 0; var STATIC_TREES = 1; var DYN_TREES = 2; var MIN_MATCH = 3; var MAX_MATCH = 258; var LENGTH_CODES = 29; var LITERALS = 256; var L_CODES = LITERALS + 1 + LENGTH_CODES; var D_CODES = 30; var BL_CODES = 19; var HEAP_SIZE = 2 * L_CODES + 1; var MAX_BITS = 15; var Buf_size = 16; var MAX_BL_BITS = 7; var END_BLOCK = 256; var REP_3_6 = 16; var REPZ_3_10 = 17; var REPZ_11_138 = 18; var extra_lbits = [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]; var extra_dbits = [ 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, ]; var extra_blbits = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 7]; var bl_order = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]; var DIST_CODE_LEN = 512; var static_ltree = new Array((L_CODES + 2) * 2); zero(static_ltree); var static_dtree = new Array(D_CODES * 2); zero(static_dtree); var _dist_code = new Array(DIST_CODE_LEN); zero(_dist_code); var _length_code = new Array(MAX_MATCH - MIN_MATCH + 1); zero(_length_code); var base_length = new Array(LENGTH_CODES); zero(base_length); var base_dist = new Array(D_CODES); zero(base_dist); function StaticTreeDesc(static_tree, extra_bits, extra_base, elems, max_length) { this.static_tree = static_tree; this.extra_bits = extra_bits; this.extra_base = extra_base; this.elems = elems; this.max_length = max_length; this.has_stree = static_tree && static_tree.length; } var static_l_desc; var static_d_desc; var static_bl_desc; function TreeDesc(dyn_tree, stat_desc) { this.dyn_tree = dyn_tree; this.max_code = 0; this.stat_desc = stat_desc; } function d_code(dist) { return dist < 256 ? _dist_code[dist] : _dist_code[256 + (dist >>> 7)]; } function put_short(s, w) { s.pending_buf[s.pending++] = w & 255; s.pending_buf[s.pending++] = (w >>> 8) & 255; } function send_bits(s, value, length) { if (s.bi_valid > Buf_size - length) { s.bi_buf |= (value << s.bi_valid) & 65535; put_short(s, s.bi_buf); s.bi_buf = value >> (Buf_size - s.bi_valid); s.bi_valid += length - Buf_size; } else { s.bi_buf |= (value << s.bi_valid) & 65535; s.bi_valid += length; } } function send_code(s, c, tree) { send_bits(s, tree[c * 2], tree[c * 2 + 1]); } function bi_reverse(code, len) { var res = 0; do { res |= code & 1; code >>>= 1; res <<= 1; } while (--len > 0); return res >>> 1; } function bi_flush(s) { if (s.bi_valid === 16) { put_short(s, s.bi_buf); s.bi_buf = 0; s.bi_valid = 0; } else if (s.bi_valid >= 8) { s.pending_buf[s.pending++] = s.bi_buf & 255; s.bi_buf >>= 8; s.bi_valid -= 8; } } function gen_bitlen(s, desc) { var tree = desc.dyn_tree; var max_code = desc.max_code; var stree = desc.stat_desc.static_tree; var has_stree = desc.stat_desc.has_stree; var extra = desc.stat_desc.extra_bits; var base = desc.stat_desc.extra_base; var max_length = desc.stat_desc.max_length; var h; var n, m; var bits; var xbits; var f; var overflow = 0; for (bits = 0; bits <= MAX_BITS; bits++) { s.bl_count[bits] = 0; } tree[s.heap[s.heap_max] * 2 + 1] = 0; for (h = s.heap_max + 1; h < HEAP_SIZE; h++) { n = s.heap[h]; bits = tree[tree[n * 2 + 1] * 2 + 1] + 1; if (bits > max_length) { bits = max_length; overflow++; } tree[n * 2 + 1] = bits; if (n > max_code) { continue; } s.bl_count[bits]++; xbits = 0; if (n >= base) { xbits = extra[n - base]; } f = tree[n * 2]; s.opt_len += f * (bits + xbits); if (has_stree) { s.static_len += f * (stree[n * 2 + 1] + xbits); } } if (overflow === 0) { return; } do { bits = max_length - 1; while (s.bl_count[bits] === 0) { bits--; } s.bl_count[bits]--; s.bl_count[bits + 1] += 2; s.bl_count[max_length]--; overflow -= 2; } while (overflow > 0); for (bits = max_length; bits !== 0; bits--) { n = s.bl_count[bits]; while (n !== 0) { m = s.heap[--h]; if (m > max_code) { continue; } if (tree[m * 2 + 1] !== bits) { s.opt_len += (bits - tree[m * 2 + 1]) * tree[m * 2]; tree[m * 2 + 1] = bits; } n--; } } } function gen_codes(tree, max_code, bl_count) { var next_code = new Array(MAX_BITS + 1); var code = 0; var bits; var n; for (bits = 1; bits <= MAX_BITS; bits++) { next_code[bits] = code = (code + bl_count[bits - 1]) << 1; } for (n = 0; n <= max_code; n++) { var len = tree[n * 2 + 1]; if (len === 0) { continue; } tree[n * 2] = bi_reverse(next_code[len]++, len); } } function tr_static_init() { var n; var bits; var length; var code; var dist; var bl_count = new Array(MAX_BITS + 1); length = 0; for (code = 0; code < LENGTH_CODES - 1; code++) { base_length[code] = length; for (n = 0; n < 1 << extra_lbits[code]; n++) { _length_code[length++] = code; } } _length_code[length - 1] = code; dist = 0; for (code = 0; code < 16; code++) { base_dist[code] = dist; for (n = 0; n < 1 << extra_dbits[code]; n++) { _dist_code[dist++] = code; } } dist >>= 7; for (; code < D_CODES; code++) { base_dist[code] = dist << 7; for (n = 0; n < 1 << (extra_dbits[code] - 7); n++) { _dist_code[256 + dist++] = code; } } for (bits = 0; bits <= MAX_BITS; bits++) { bl_count[bits] = 0; } n = 0; while (n <= 143) { static_ltree[n * 2 + 1] = 8; n++; bl_count[8]++; } while (n <= 255) { static_ltree[n * 2 + 1] = 9; n++; bl_count[9]++; } while (n <= 279) { static_ltree[n * 2 + 1] = 7; n++; bl_count[7]++; } while (n <= 287) { static_ltree[n * 2 + 1] = 8; n++; bl_count[8]++; } gen_codes(static_ltree, L_CODES + 1, bl_count); for (n = 0; n < D_CODES; n++) { static_dtree[n * 2 + 1] = 5; static_dtree[n * 2] = bi_reverse(n, 5); } static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS + 1, L_CODES, MAX_BITS); static_d_desc = new StaticTreeDesc(static_dtree, extra_dbits, 0, D_CODES, MAX_BITS); static_bl_desc = new StaticTreeDesc(new Array(0), extra_blbits, 0, BL_CODES, MAX_BL_BITS); } function init_block(s) { var n; for (n = 0; n < L_CODES; n++) { s.dyn_ltree[n * 2] = 0; } for (n = 0; n < D_CODES; n++) { s.dyn_dtree[n * 2] = 0; } for (n = 0; n < BL_CODES; n++) { s.bl_tree[n * 2] = 0; } s.dyn_ltree[END_BLOCK * 2] = 1; s.opt_len = s.static_len = 0; s.last_lit = s.matches = 0; } function bi_windup(s) { if (s.bi_valid > 8) { put_short(s, s.bi_buf); } else if (s.bi_valid > 0) { s.pending_buf[s.pending++] = s.bi_buf; } s.bi_buf = 0; s.bi_valid = 0; } function copy_block(s, buf, len, header) { bi_windup(s); if (header) { put_short(s, len); put_short(s, ~len); } utils.arraySet(s.pending_buf, s.window, buf, len, s.pending); s.pending += len; } function smaller(tree, n, m, depth) { var _n2 = n * 2; var _m2 = m * 2; return tree[_n2] < tree[_m2] || (tree[_n2] === tree[_m2] && depth[n] <= depth[m]); } function pqdownheap(s, tree, k) { var v = s.heap[k]; var j = k << 1; while (j <= s.heap_len) { if (j < s.heap_len && smaller(tree, s.heap[j + 1], s.heap[j], s.depth)) { j++; } if (smaller(tree, v, s.heap[j], s.depth)) { break; } s.heap[k] = s.heap[j]; k = j; j <<= 1; } s.heap[k] = v; } function compress_block(s, ltree, dtree) { var dist; var lc; var lx = 0; var code; var extra; if (s.last_lit !== 0) { do { dist = (s.pending_buf[s.d_buf + lx * 2] << 8) | s.pending_buf[s.d_buf + lx * 2 + 1]; lc = s.pending_buf[s.l_buf + lx]; lx++; if (dist === 0) { send_code(s, lc, ltree); } else { code = _length_code[lc]; send_code(s, code + LITERALS + 1, ltree); extra = extra_lbits[code]; if (extra !== 0) { lc -= base_length[code]; send_bits(s, lc, extra); } dist--; code = d_code(dist); send_code(s, code, dtree); extra = extra_dbits[code]; if (extra !== 0) { dist -= base_dist[code]; send_bits(s, dist, extra); } } } while (lx < s.last_lit); } send_code(s, END_BLOCK, ltree); } function build_tree(s, desc) { var tree = desc.dyn_tree; var stree = desc.stat_desc.static_tree; var has_stree = desc.stat_desc.has_stree; var elems = desc.stat_desc.elems; var n, m; var max_code = -1; var node; s.heap_len = 0; s.heap_max = HEAP_SIZE; for (n = 0; n < elems; n++) { if (tree[n * 2] !== 0) { s.heap[++s.heap_len] = max_code = n; s.depth[n] = 0; } else { tree[n * 2 + 1] = 0; } } while (s.heap_len < 2) { node = s.heap[++s.heap_len] = max_code < 2 ? ++max_code : 0; tree[node * 2] = 1; s.depth[node] = 0; s.opt_len--; if (has_stree) { s.static_len -= stree[node * 2 + 1]; } } desc.max_code = max_code; for (n = s.heap_len >> 1; n >= 1; n--) { pqdownheap(s, tree, n); } node = elems; do { n = s.heap[1]; s.heap[1] = s.heap[s.heap_len--]; pqdownheap(s, tree, 1); m = s.heap[1]; s.heap[--s.heap_max] = n; s.heap[--s.heap_max] = m; tree[node * 2] = tree[n * 2] + tree[m * 2]; s.depth[node] = (s.depth[n] >= s.depth[m] ? s.depth[n] : s.depth[m]) + 1; tree[n * 2 + 1] = tree[m * 2 + 1] = node; s.heap[1] = node++; pqdownheap(s, tree, 1); } while (s.heap_len >= 2); s.heap[--s.heap_max] = s.heap[1]; gen_bitlen(s, desc); gen_codes(tree, max_code, s.bl_count); } function scan_tree(s, tree, max_code) { var n; var prevlen = -1; var curlen; var nextlen = tree[0 * 2 + 1]; var count = 0; var max_count = 7; var min_count = 4; if (nextlen === 0) { max_count = 138; min_count = 3; } tree[(max_code + 1) * 2 + 1] = 65535; for (n = 0; n <= max_code; n++) { curlen = nextlen; nextlen = tree[(n + 1) * 2 + 1]; if (++count < max_count && curlen === nextlen) { continue; } else if (count < min_count) { s.bl_tree[curlen * 2] += count; } else if (curlen !== 0) { if (curlen !== prevlen) { s.bl_tree[curlen * 2]++; } s.bl_tree[REP_3_6 * 2]++; } else if (count <= 10) { s.bl_tree[REPZ_3_10 * 2]++; } else { s.bl_tree[REPZ_11_138 * 2]++; } count = 0; prevlen = curlen; if (nextlen === 0) { max_count = 138; min_count = 3; } else if (curlen === nextlen) { max_count = 6; min_count = 3; } else { max_count = 7; min_count = 4; } } } function send_tree(s, tree, max_code) { var n; var prevlen = -1; var curlen; var nextlen = tree[0 * 2 + 1]; var count = 0; var max_count = 7; var min_count = 4; if (nextlen === 0) { max_count = 138; min_count = 3; } for (n = 0; n <= max_code; n++) { curlen = nextlen; nextlen = tree[(n + 1) * 2 + 1]; if (++count < max_count && curlen === nextlen) { continue; } else if (count < min_count) { do { send_code(s, curlen, s.bl_tree); } while (--count !== 0); } else if (curlen !== 0) { if (curlen !== prevlen) { send_code(s, curlen, s.bl_tree); count--; } send_code(s, REP_3_6, s.bl_tree); send_bits(s, count - 3, 2); } else if (count <= 10) { send_code(s, REPZ_3_10, s.bl_tree); send_bits(s, count - 3, 3); } else { send_code(s, REPZ_11_138, s.bl_tree); send_bits(s, count - 11, 7); } count = 0; prevlen = curlen; if (nextlen === 0) { max_count = 138; min_count = 3; } else if (curlen === nextlen) { max_count = 6; min_count = 3; } else { max_count = 7; min_count = 4; } } } function build_bl_tree(s) { var max_blindex; scan_tree(s, s.dyn_ltree, s.l_desc.max_code); scan_tree(s, s.dyn_dtree, s.d_desc.max_code); build_tree(s, s.bl_desc); for (max_blindex = BL_CODES - 1; max_blindex >= 3; max_blindex--) { if (s.bl_tree[bl_order[max_blindex] * 2 + 1] !== 0) { break; } } s.opt_len += 3 * (max_blindex + 1) + 5 + 5 + 4; return max_blindex; } function send_all_trees(s, lcodes, dcodes, blcodes) { var rank; send_bits(s, lcodes - 257, 5); send_bits(s, dcodes - 1, 5); send_bits(s, blcodes - 4, 4); for (rank = 0; rank < blcodes; rank++) { send_bits(s, s.bl_tree[bl_order[rank] * 2 + 1], 3); } send_tree(s, s.dyn_ltree, lcodes - 1); send_tree(s, s.dyn_dtree, dcodes - 1); } function detect_data_type(s) { var black_mask = 4093624447; var n; for (n = 0; n <= 31; n++, black_mask >>>= 1) { if (black_mask & 1 && s.dyn_ltree[n * 2] !== 0) { return Z_BINARY; } } if (s.dyn_ltree[9 * 2] !== 0 || s.dyn_ltree[10 * 2] !== 0 || s.dyn_ltree[13 * 2] !== 0) { return Z_TEXT; } for (n = 32; n < LITERALS; n++) { if (s.dyn_ltree[n * 2] !== 0) { return Z_TEXT; } } return Z_BINARY; } var static_init_done = false; function _tr_init(s) { if (!static_init_done) { tr_static_init(); static_init_done = true; } s.l_desc = new TreeDesc(s.dyn_ltree, static_l_desc); s.d_desc = new TreeDesc(s.dyn_dtree, static_d_desc); s.bl_desc = new TreeDesc(s.bl_tree, static_bl_desc); s.bi_buf = 0; s.bi_valid = 0; init_block(s); } function _tr_stored_block(s, buf, stored_len, last) { send_bits(s, (STORED_BLOCK << 1) + (last ? 1 : 0), 3); copy_block(s, buf, stored_len, true); } function _tr_align(s) { send_bits(s, STATIC_TREES << 1, 3); send_code(s, END_BLOCK, static_ltree); bi_flush(s); } function _tr_flush_block(s, buf, stored_len, last) { var opt_lenb, static_lenb; var max_blindex = 0; if (s.level > 0) { if (s.strm.data_type === Z_UNKNOWN) { s.strm.data_type = detect_data_type(s); } build_tree(s, s.l_desc); build_tree(s, s.d_desc); max_blindex = build_bl_tree(s); opt_lenb = (s.opt_len + 3 + 7) >>> 3; static_lenb = (s.static_len + 3 + 7) >>> 3; if (static_lenb <= opt_lenb) { opt_lenb = static_lenb; } } else { opt_lenb = static_lenb = stored_len + 5; } if (stored_len + 4 <= opt_lenb && buf !== -1) { _tr_stored_block(s, buf, stored_len, last); } else if (s.strategy === Z_FIXED || static_lenb === opt_lenb) { send_bits(s, (STATIC_TREES << 1) + (last ? 1 : 0), 3); compress_block(s, static_ltree, static_dtree); } else { send_bits(s, (DYN_TREES << 1) + (last ? 1 : 0), 3); send_all_trees(s, s.l_desc.max_code + 1, s.d_desc.max_code + 1, max_blindex + 1); compress_block(s, s.dyn_ltree, s.dyn_dtree); } init_block(s); if (last) { bi_windup(s); } } function _tr_tally(s, dist, lc) { s.pending_buf[s.d_buf + s.last_lit * 2] = (dist >>> 8) & 255; s.pending_buf[s.d_buf + s.last_lit * 2 + 1] = dist & 255; s.pending_buf[s.l_buf + s.last_lit] = lc & 255; s.last_lit++; if (dist === 0) { s.dyn_ltree[lc * 2]++; } else { s.matches++; dist--; s.dyn_ltree[(_length_code[lc] + LITERALS + 1) * 2]++; s.dyn_dtree[d_code(dist) * 2]++; } return s.last_lit === s.lit_bufsize - 1; } exports._tr_init = _tr_init; exports._tr_stored_block = _tr_stored_block; exports._tr_flush_block = _tr_flush_block; exports._tr_tally = _tr_tally; exports._tr_align = _tr_align; }, }); // node_modules/pako/lib/zlib/adler32.js var require_adler32 = __commonJS({ "node_modules/pako/lib/zlib/adler32.js"(exports, module2) { "use strict"; function adler32(adler, buf, len, pos) { var s1 = (adler & 65535) | 0, s2 = ((adler >>> 16) & 65535) | 0, n = 0; while (len !== 0) { n = len > 2e3 ? 2e3 : len; len -= n; do { s1 = (s1 + buf[pos++]) | 0; s2 = (s2 + s1) | 0; } while (--n); s1 %= 65521; s2 %= 65521; } return s1 | (s2 << 16) | 0; } module2.exports = adler32; }, }); // node_modules/pako/lib/zlib/crc32.js var require_crc32 = __commonJS({ "node_modules/pako/lib/zlib/crc32.js"(exports, module2) { "use strict"; function makeTable() { var c, table = []; for (var n = 0; n < 256; n++) { c = n; for (var k = 0; k < 8; k++) { c = c & 1 ? 3988292384 ^ (c >>> 1) : c >>> 1; } table[n] = c; } return table; } var crcTable = makeTable(); function crc32(crc, buf, len, pos) { var t = crcTable, end = pos + len; crc ^= -1; for (var i = pos; i < end; i++) { crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 255]; } return crc ^ -1; } module2.exports = crc32; }, }); // node_modules/pako/lib/zlib/messages.js var require_messages = __commonJS({ "node_modules/pako/lib/zlib/messages.js"(exports, module2) { "use strict"; module2.exports = { 2: "need dictionary", 1: "stream end", 0: "", "-1": "file error", "-2": "stream error", "-3": "data error", "-4": "insufficient memory", "-5": "buffer error", "-6": "incompatible version", }; }, }); // node_modules/pako/lib/zlib/deflate.js var require_deflate = __commonJS({ "node_modules/pako/lib/zlib/deflate.js"(exports) { "use strict"; var utils = require_common(); var trees = require_trees(); var adler32 = require_adler32(); var crc32 = require_crc32(); var msg = require_messages(); var Z_NO_FLUSH = 0; var Z_PARTIAL_FLUSH = 1; var Z_FULL_FLUSH = 3; var Z_FINISH = 4; var Z_BLOCK = 5; var Z_OK = 0; var Z_STREAM_END = 1; var Z_STREAM_ERROR = -2; var Z_DATA_ERROR = -3; var Z_BUF_ERROR = -5; var Z_DEFAULT_COMPRESSION = -1; var Z_FILTERED = 1; var Z_HUFFMAN_ONLY = 2; var Z_RLE = 3; var Z_FIXED = 4; var Z_DEFAULT_STRATEGY = 0; var Z_UNKNOWN = 2; var Z_DEFLATED = 8; var MAX_MEM_LEVEL = 9; var MAX_WBITS = 15; var DEF_MEM_LEVEL = 8; var LENGTH_CODES = 29; var LITERALS = 256; var L_CODES = LITERALS + 1 + LENGTH_CODES; var D_CODES = 30; var BL_CODES = 19; var HEAP_SIZE = 2 * L_CODES + 1; var MAX_BITS = 15; var MIN_MATCH = 3; var MAX_MATCH = 258; var MIN_LOOKAHEAD = MAX_MATCH + MIN_MATCH + 1; var PRESET_DICT = 32; var INIT_STATE = 42; var EXTRA_STATE = 69; var NAME_STATE = 73; var COMMENT_STATE = 91; var HCRC_STATE = 103; var BUSY_STATE = 113; var FINISH_STATE = 666; var BS_NEED_MORE = 1; var BS_BLOCK_DONE = 2; var BS_FINISH_STARTED = 3; var BS_FINISH_DONE = 4; var OS_CODE = 3; function err(strm, errorCode) { strm.msg = msg[errorCode]; return errorCode; } function rank(f) { return (f << 1) - (f > 4 ? 9 : 0); } function zero(buf) { var len = buf.length; while (--len >= 0) { buf[len] = 0; } } function flush_pending(strm) { var s = strm.state; var len = s.pending; if (len > strm.avail_out) { len = strm.avail_out; } if (len === 0) { return; } utils.arraySet(strm.output, s.pending_buf, s.pending_out, len, strm.next_out); strm.next_out += len; s.pending_out += len; strm.total_out += len; strm.avail_out -= len; s.pending -= len; if (s.pending === 0) { s.pending_out = 0; } } function flush_block_only(s, last) { trees._tr_flush_block(s, s.block_start >= 0 ? s.block_start : -1, s.strstart - s.block_start, last); s.block_start = s.strstart; flush_pending(s.strm); } function put_byte(s, b) { s.pending_buf[s.pending++] = b; } function putShortMSB(s, b) { s.pending_buf[s.pending++] = (b >>> 8) & 255; s.pending_buf[s.pending++] = b & 255; } function read_buf(strm, buf, start, size) { var len = strm.avail_in; if (len > size) { len = size; } if (len === 0) { return 0; } strm.avail_in -= len; utils.arraySet(buf, strm.input, strm.next_in, len, start); if (strm.state.wrap === 1) { strm.adler = adler32(strm.adler, buf, len, start); } else if (strm.state.wrap === 2) { strm.adler = crc32(strm.adler, buf, len, start); } strm.next_in += len; strm.total_in += len; return len; } function longest_match(s, cur_match) { var chain_length = s.max_chain_length; var scan = s.strstart; var match; var len; var best_len = s.prev_length; var nice_match = s.nice_match; var limit = s.strstart > s.w_size - MIN_LOOKAHEAD ? s.strstart - (s.w_size - MIN_LOOKAHEAD) : 0; var _win = s.window; var wmask = s.w_mask; var prev = s.prev; var strend = s.strstart + MAX_MATCH; var scan_end1 = _win[scan + best_len - 1]; var scan_end = _win[scan + best_len]; if (s.prev_length >= s.good_match) { chain_length >>= 2; } if (nice_match > s.lookahead) { nice_match = s.lookahead; } do { match = cur_match; if ( _win[match + best_len] !== scan_end || _win[match + best_len - 1] !== scan_end1 || _win[match] !== _win[scan] || _win[++match] !== _win[scan + 1] ) { continue; } scan += 2; match++; do {} while ( _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && scan < strend ); len = MAX_MATCH - (strend - scan); scan = strend - MAX_MATCH; if (len > best_len) { s.match_start = cur_match; best_len = len; if (len >= nice_match) { break; } scan_end1 = _win[scan + best_len - 1]; scan_end = _win[scan + best_len]; } } while ((cur_match = prev[cur_match & wmask]) > limit && --chain_length !== 0); if (best_len <= s.lookahead) { return best_len; } return s.lookahead; } function fill_window(s) { var _w_size = s.w_size; var p, n, m, more, str; do { more = s.window_size - s.lookahead - s.strstart; if (s.strstart >= _w_size + (_w_size - MIN_LOOKAHEAD)) { utils.arraySet(s.window, s.window, _w_size, _w_size, 0); s.match_start -= _w_size; s.strstart -= _w_size; s.block_start -= _w_size; n = s.hash_size; p = n; do { m = s.head[--p]; s.head[p] = m >= _w_size ? m - _w_size : 0; } while (--n); n = _w_size; p = n; do { m = s.prev[--p]; s.prev[p] = m >= _w_size ? m - _w_size : 0; } while (--n); more += _w_size; } if (s.strm.avail_in === 0) { break; } n = read_buf(s.strm, s.window, s.strstart + s.lookahead, more); s.lookahead += n; if (s.lookahead + s.insert >= MIN_MATCH) { str = s.strstart - s.insert; s.ins_h = s.window[str]; s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + 1]) & s.hash_mask; while (s.insert) { s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask; s.prev[str & s.w_mask] = s.head[s.ins_h]; s.head[s.ins_h] = str; str++; s.insert--; if (s.lookahead + s.insert < MIN_MATCH) { break; } } } } while (s.lookahead < MIN_LOOKAHEAD && s.strm.avail_in !== 0); } function deflate_stored(s, flush) { var max_block_size = 65535; if (max_block_size > s.pending_buf_size - 5) { max_block_size = s.pending_buf_size - 5; } for (;;) { if (s.lookahead <= 1) { fill_window(s); if (s.lookahead === 0 && flush === Z_NO_FLUSH) { return BS_NEED_MORE; } if (s.lookahead === 0) { break; } } s.strstart += s.lookahead; s.lookahead = 0; var max_start = s.block_start + max_block_size; if (s.strstart === 0 || s.strstart >= max_start) { s.lookahead = s.strstart - max_start; s.strstart = max_start; flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } if (s.strstart - s.block_start >= s.w_size - MIN_LOOKAHEAD) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } } s.insert = 0; if (flush === Z_FINISH) { flush_block_only(s, true); if (s.strm.avail_out === 0) { return BS_FINISH_STARTED; } return BS_FINISH_DONE; } if (s.strstart > s.block_start) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } return BS_NEED_MORE; } function deflate_fast(s, flush) { var hash_head; var bflush; for (;;) { if (s.lookahead < MIN_LOOKAHEAD) { fill_window(s); if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) { return BS_NEED_MORE; } if (s.lookahead === 0) { break; } } hash_head = 0; if (s.lookahead >= MIN_MATCH) { s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask; hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h]; s.head[s.ins_h] = s.strstart; } if (hash_head !== 0 && s.strstart - hash_head <= s.w_size - MIN_LOOKAHEAD) { s.match_length = longest_match(s, hash_head); } if (s.match_length >= MIN_MATCH) { bflush = trees._tr_tally(s, s.strstart - s.match_start, s.match_length - MIN_MATCH); s.lookahead -= s.match_length; if (s.match_length <= s.max_lazy_match && s.lookahead >= MIN_MATCH) { s.match_length--; do { s.strstart++; s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask; hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h]; s.head[s.ins_h] = s.strstart; } while (--s.match_length !== 0); s.strstart++; } else { s.strstart += s.match_length; s.match_length = 0; s.ins_h = s.window[s.strstart]; s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + 1]) & s.hash_mask; } } else { bflush = trees._tr_tally(s, 0, s.window[s.strstart]); s.lookahead--; s.strstart++; } if (bflush) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } } s.insert = s.strstart < MIN_MATCH - 1 ? s.strstart : MIN_MATCH - 1; if (flush === Z_FINISH) { flush_block_only(s, true); if (s.strm.avail_out === 0) { return BS_FINISH_STARTED; } return BS_FINISH_DONE; } if (s.last_lit) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } return BS_BLOCK_DONE; } function deflate_slow(s, flush) { var hash_head; var bflush; var max_insert; for (;;) { if (s.lookahead < MIN_LOOKAHEAD) { fill_window(s); if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH) { return BS_NEED_MORE; } if (s.lookahead === 0) { break; } } hash_head = 0; if (s.lookahead >= MIN_MATCH) { s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask; hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h]; s.head[s.ins_h] = s.strstart; } s.prev_length = s.match_length; s.prev_match = s.match_start; s.match_length = MIN_MATCH - 1; if (hash_head !== 0 && s.prev_length < s.max_lazy_match && s.strstart - hash_head <= s.w_size - MIN_LOOKAHEAD) { s.match_length = longest_match(s, hash_head); if ( s.match_length <= 5 && (s.strategy === Z_FILTERED || (s.match_length === MIN_MATCH && s.strstart - s.match_start > 4096)) ) { s.match_length = MIN_MATCH - 1; } } if (s.prev_length >= MIN_MATCH && s.match_length <= s.prev_length) { max_insert = s.strstart + s.lookahead - MIN_MATCH; bflush = trees._tr_tally(s, s.strstart - 1 - s.prev_match, s.prev_length - MIN_MATCH); s.lookahead -= s.prev_length - 1; s.prev_length -= 2; do { if (++s.strstart <= max_insert) { s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[s.strstart + MIN_MATCH - 1]) & s.hash_mask; hash_head = s.prev[s.strstart & s.w_mask] = s.head[s.ins_h]; s.head[s.ins_h] = s.strstart; } } while (--s.prev_length !== 0); s.match_available = 0; s.match_length = MIN_MATCH - 1; s.strstart++; if (bflush) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } } else if (s.match_available) { bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]); if (bflush) { flush_block_only(s, false); } s.strstart++; s.lookahead--; if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } else { s.match_available = 1; s.strstart++; s.lookahead--; } } if (s.match_available) { bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]); s.match_available = 0; } s.insert = s.strstart < MIN_MATCH - 1 ? s.strstart : MIN_MATCH - 1; if (flush === Z_FINISH) { flush_block_only(s, true); if (s.strm.avail_out === 0) { return BS_FINISH_STARTED; } return BS_FINISH_DONE; } if (s.last_lit) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } return BS_BLOCK_DONE; } function deflate_rle(s, flush) { var bflush; var prev; var scan, strend; var _win = s.window; for (;;) { if (s.lookahead <= MAX_MATCH) { fill_window(s); if (s.lookahead <= MAX_MATCH && flush === Z_NO_FLUSH) { return BS_NEED_MORE; } if (s.lookahead === 0) { break; } } s.match_length = 0; if (s.lookahead >= MIN_MATCH && s.strstart > 0) { scan = s.strstart - 1; prev = _win[scan]; if (prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan]) { strend = s.strstart + MAX_MATCH; do {} while ( prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan] && prev === _win[++scan] && scan < strend ); s.match_length = MAX_MATCH - (strend - scan); if (s.match_length > s.lookahead) { s.match_length = s.lookahead; } } } if (s.match_length >= MIN_MATCH) { bflush = trees._tr_tally(s, 1, s.match_length - MIN_MATCH); s.lookahead -= s.match_length; s.strstart += s.match_length; s.match_length = 0; } else { bflush = trees._tr_tally(s, 0, s.window[s.strstart]); s.lookahead--; s.strstart++; } if (bflush) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } } s.insert = 0; if (flush === Z_FINISH) { flush_block_only(s, true); if (s.strm.avail_out === 0) { return BS_FINISH_STARTED; } return BS_FINISH_DONE; } if (s.last_lit) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } return BS_BLOCK_DONE; } function deflate_huff(s, flush) { var bflush; for (;;) { if (s.lookahead === 0) { fill_window(s); if (s.lookahead === 0) { if (flush === Z_NO_FLUSH) { return BS_NEED_MORE; } break; } } s.match_length = 0; bflush = trees._tr_tally(s, 0, s.window[s.strstart]); s.lookahead--; s.strstart++; if (bflush) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } } s.insert = 0; if (flush === Z_FINISH) { flush_block_only(s, true); if (s.strm.avail_out === 0) { return BS_FINISH_STARTED; } return BS_FINISH_DONE; } if (s.last_lit) { flush_block_only(s, false); if (s.strm.avail_out === 0) { return BS_NEED_MORE; } } return BS_BLOCK_DONE; } function Config(good_length, max_lazy, nice_length, max_chain, func) { this.good_length = good_length; this.max_lazy = max_lazy; this.nice_length = nice_length; this.max_chain = max_chain; this.func = func; } var configuration_table; configuration_table = [ new Config(0, 0, 0, 0, deflate_stored), new Config(4, 4, 8, 4, deflate_fast), new Config(4, 5, 16, 8, deflate_fast), new Config(4, 6, 32, 32, deflate_fast), new Config(4, 4, 16, 16, deflate_slow), new Config(8, 16, 32, 32, deflate_slow), new Config(8, 16, 128, 128, deflate_slow), new Config(8, 32, 128, 256, deflate_slow), new Config(32, 128, 258, 1024, deflate_slow), new Config(32, 258, 258, 4096, deflate_slow), ]; function lm_init(s) { s.window_size = 2 * s.w_size; zero(s.head); s.max_lazy_match = configuration_table[s.level].max_lazy; s.good_match = configuration_table[s.level].good_length; s.nice_match = configuration_table[s.level].nice_length; s.max_chain_length = configuration_table[s.level].max_chain; s.strstart = 0; s.block_start = 0; s.lookahead = 0; s.insert = 0; s.match_length = s.prev_length = MIN_MATCH - 1; s.match_available = 0; s.ins_h = 0; } function DeflateState() { this.strm = null; this.status = 0; this.pending_buf = null; this.pending_buf_size = 0; this.pending_out = 0; this.pending = 0; this.wrap = 0; this.gzhead = null; this.gzindex = 0; this.method = Z_DEFLATED; this.last_flush = -1; this.w_size = 0; this.w_bits = 0; this.w_mask = 0; this.window = null; this.window_size = 0; this.prev = null; this.head = null; this.ins_h = 0; this.hash_size = 0; this.hash_bits = 0; this.hash_mask = 0; this.hash_shift = 0; this.block_start = 0; this.match_length = 0; this.prev_match = 0; this.match_available = 0; this.strstart = 0; this.match_start = 0; this.lookahead = 0; this.prev_length = 0; this.max_chain_length = 0; this.max_lazy_match = 0; this.level = 0; this.strategy = 0; this.good_match = 0; this.nice_match = 0; this.dyn_ltree = new utils.Buf16(HEAP_SIZE * 2); this.dyn_dtree = new utils.Buf16((2 * D_CODES + 1) * 2); this.bl_tree = new utils.Buf16((2 * BL_CODES + 1) * 2); zero(this.dyn_ltree); zero(this.dyn_dtree); zero(this.bl_tree); this.l_desc = null; this.d_desc = null; this.bl_desc = null; this.bl_count = new utils.Buf16(MAX_BITS + 1); this.heap = new utils.Buf16(2 * L_CODES + 1); zero(this.heap); this.heap_len = 0; this.heap_max = 0; this.depth = new utils.Buf16(2 * L_CODES + 1); zero(this.depth); this.l_buf = 0; this.lit_bufsize = 0; this.last_lit = 0; this.d_buf = 0; this.opt_len = 0; this.static_len = 0; this.matches = 0; this.insert = 0; this.bi_buf = 0; this.bi_valid = 0; } function deflateResetKeep(strm) { var s; if (!strm || !strm.state) { return err(strm, Z_STREAM_ERROR); } strm.total_in = strm.total_out = 0; strm.data_type = Z_UNKNOWN; s = strm.state; s.pending = 0; s.pending_out = 0; if (s.wrap < 0) { s.wrap = -s.wrap; } s.status = s.wrap ? INIT_STATE : BUSY_STATE; strm.adler = s.wrap === 2 ? 0 : 1; s.last_flush = Z_NO_FLUSH; trees._tr_init(s); return Z_OK; } function deflateReset(strm) { var ret = deflateResetKeep(strm); if (ret === Z_OK) { lm_init(strm.state); } return ret; } function deflateSetHeader(strm, head) { if (!strm || !strm.state) { return Z_STREAM_ERROR; } if (strm.state.wrap !== 2) { return Z_STREAM_ERROR; } strm.state.gzhead = head; return Z_OK; } function deflateInit2(strm, level, method, windowBits, memLevel, strategy) { if (!strm) { return Z_STREAM_ERROR; } var wrap = 1; if (level === Z_DEFAULT_COMPRESSION) { level = 6; } if (windowBits < 0) { wrap = 0; windowBits = -windowBits; } else if (windowBits > 15) { wrap = 2; windowBits -= 16; } if ( memLevel < 1 || memLevel > MAX_MEM_LEVEL || method !== Z_DEFLATED || windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED ) { return err(strm, Z_STREAM_ERROR); } if (windowBits === 8) { windowBits = 9; } var s = new DeflateState(); strm.state = s; s.strm = strm; s.wrap = wrap; s.gzhead = null; s.w_bits = windowBits; s.w_size = 1 << s.w_bits; s.w_mask = s.w_size - 1; s.hash_bits = memLevel + 7; s.hash_size = 1 << s.hash_bits; s.hash_mask = s.hash_size - 1; s.hash_shift = ~~((s.hash_bits + MIN_MATCH - 1) / MIN_MATCH); s.window = new utils.Buf8(s.w_size * 2); s.head = new utils.Buf16(s.hash_size); s.prev = new utils.Buf16(s.w_size); s.lit_bufsize = 1 << (memLevel + 6); s.pending_buf_size = s.lit_bufsize * 4; s.pending_buf = new utils.Buf8(s.pending_buf_size); s.d_buf = 1 * s.lit_bufsize; s.l_buf = (1 + 2) * s.lit_bufsize; s.level = level; s.strategy = strategy; s.method = method; return deflateReset(strm); } function deflateInit(strm, level) { return deflateInit2(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY); } function deflate(strm, flush) { var old_flush, s; var beg, val; if (!strm || !strm.state || flush > Z_BLOCK || flush < 0) { return strm ? err(strm, Z_STREAM_ERROR) : Z_STREAM_ERROR; } s = strm.state; if (!strm.output || (!strm.input && strm.avail_in !== 0) || (s.status === FINISH_STATE && flush !== Z_FINISH)) { return err(strm, strm.avail_out === 0 ? Z_BUF_ERROR : Z_STREAM_ERROR); } s.strm = strm; old_flush = s.last_flush; s.last_flush = flush; if (s.status === INIT_STATE) { if (s.wrap === 2) { strm.adler = 0; put_byte(s, 31); put_byte(s, 139); put_byte(s, 8); if (!s.gzhead) { put_byte(s, 0); put_byte(s, 0); put_byte(s, 0); put_byte(s, 0); put_byte(s, 0); put_byte(s, s.level === 9 ? 2 : s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ? 4 : 0); put_byte(s, OS_CODE); s.status = BUSY_STATE; } else { put_byte( s, (s.gzhead.text ? 1 : 0) + (s.gzhead.hcrc ? 2 : 0) + (!s.gzhead.extra ? 0 : 4) + (!s.gzhead.name ? 0 : 8) + (!s.gzhead.comment ? 0 : 16), ); put_byte(s, s.gzhead.time & 255); put_byte(s, (s.gzhead.time >> 8) & 255); put_byte(s, (s.gzhead.time >> 16) & 255); put_byte(s, (s.gzhead.time >> 24) & 255); put_byte(s, s.level === 9 ? 2 : s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ? 4 : 0); put_byte(s, s.gzhead.os & 255); if (s.gzhead.extra && s.gzhead.extra.length) { put_byte(s, s.gzhead.extra.length & 255); put_byte(s, (s.gzhead.extra.length >> 8) & 255); } if (s.gzhead.hcrc) { strm.adler = crc32(strm.adler, s.pending_buf, s.pending, 0); } s.gzindex = 0; s.status = EXTRA_STATE; } } else { var header = (Z_DEFLATED + ((s.w_bits - 8) << 4)) << 8; var level_flags = -1; if (s.strategy >= Z_HUFFMAN_ONLY || s.level < 2) { level_flags = 0; } else if (s.level < 6) { level_flags = 1; } else if (s.level === 6) { level_flags = 2; } else { level_flags = 3; } header |= level_flags << 6; if (s.strstart !== 0) { header |= PRESET_DICT; } header += 31 - (header % 31); s.status = BUSY_STATE; putShortMSB(s, header); if (s.strstart !== 0) { putShortMSB(s, strm.adler >>> 16); putShortMSB(s, strm.adler & 65535); } strm.adler = 1; } } if (s.status === EXTRA_STATE) { if (s.gzhead.extra) { beg = s.pending; while (s.gzindex < (s.gzhead.extra.length & 65535)) { if (s.pending === s.pending_buf_size) { if (s.gzhead.hcrc && s.pending > beg) { strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg); } flush_pending(strm); beg = s.pending; if (s.pending === s.pending_buf_size) { break; } } put_byte(s, s.gzhead.extra[s.gzindex] & 255); s.gzindex++; } if (s.gzhead.hcrc && s.pending > beg) { strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg); } if (s.gzindex === s.gzhead.extra.length) { s.gzindex = 0; s.status = NAME_STATE; } } else { s.status = NAME_STATE; } } if (s.status === NAME_STATE) { if (s.gzhead.name) { beg = s.pending; do { if (s.pending === s.pending_buf_size) { if (s.gzhead.hcrc && s.pending > beg) { strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg); } flush_pending(strm); beg = s.pending; if (s.pending === s.pending_buf_size) { val = 1; break; } } if (s.gzindex < s.gzhead.name.length) { val = s.gzhead.name.charCodeAt(s.gzindex++) & 255; } else { val = 0; } put_byte(s, val); } while (val !== 0); if (s.gzhead.hcrc && s.pending > beg) { strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg); } if (val === 0) { s.gzindex = 0; s.status = COMMENT_STATE; } } else { s.status = COMMENT_STATE; } } if (s.status === COMMENT_STATE) { if (s.gzhead.comment) { beg = s.pending; do { if (s.pending === s.pending_buf_size) { if (s.gzhead.hcrc && s.pending > beg) { strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg); } flush_pending(strm); beg = s.pending; if (s.pending === s.pending_buf_size) { val = 1; break; } } if (s.gzindex < s.gzhead.comment.length) { val = s.gzhead.comment.charCodeAt(s.gzindex++) & 255; } else { val = 0; } put_byte(s, val); } while (val !== 0); if (s.gzhead.hcrc && s.pending > beg) { strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg); } if (val === 0) { s.status = HCRC_STATE; } } else { s.status = HCRC_STATE; } } if (s.status === HCRC_STATE) { if (s.gzhead.hcrc) { if (s.pending + 2 > s.pending_buf_size) { flush_pending(strm); } if (s.pending + 2 <= s.pending_buf_size) { put_byte(s, strm.adler & 255); put_byte(s, (strm.adler >> 8) & 255); strm.adler = 0; s.status = BUSY_STATE; } } else { s.status = BUSY_STATE; } } if (s.pending !== 0) { flush_pending(strm); if (strm.avail_out === 0) { s.last_flush = -1; return Z_OK; } } else if (strm.avail_in === 0 && rank(flush) <= rank(old_flush) && flush !== Z_FINISH) { return err(strm, Z_BUF_ERROR); } if (s.status === FINISH_STATE && strm.avail_in !== 0) { return err(strm, Z_BUF_ERROR); } if (strm.avail_in !== 0 || s.lookahead !== 0 || (flush !== Z_NO_FLUSH && s.status !== FINISH_STATE)) { var bstate = s.strategy === Z_HUFFMAN_ONLY ? deflate_huff(s, flush) : s.strategy === Z_RLE ? deflate_rle(s, flush) : configuration_table[s.level].func(s, flush); if (bstate === BS_FINISH_STARTED || bstate === BS_FINISH_DONE) { s.status = FINISH_STATE; } if (bstate === BS_NEED_MORE || bstate === BS_FINISH_STARTED) { if (strm.avail_out === 0) { s.last_flush = -1; } return Z_OK; } if (bstate === BS_BLOCK_DONE) { if (flush === Z_PARTIAL_FLUSH) { trees._tr_align(s); } else if (flush !== Z_BLOCK) { trees._tr_stored_block(s, 0, 0, false); if (flush === Z_FULL_FLUSH) { zero(s.head); if (s.lookahead === 0) { s.strstart = 0; s.block_start = 0; s.insert = 0; } } } flush_pending(strm); if (strm.avail_out === 0) { s.last_flush = -1; return Z_OK; } } } if (flush !== Z_FINISH) { return Z_OK; } if (s.wrap <= 0) { return Z_STREAM_END; } if (s.wrap === 2) { put_byte(s, strm.adler & 255); put_byte(s, (strm.adler >> 8) & 255); put_byte(s, (strm.adler >> 16) & 255); put_byte(s, (strm.adler >> 24) & 255); put_byte(s, strm.total_in & 255); put_byte(s, (strm.total_in >> 8) & 255); put_byte(s, (strm.total_in >> 16) & 255); put_byte(s, (strm.total_in >> 24) & 255); } else { putShortMSB(s, strm.adler >>> 16); putShortMSB(s, strm.adler & 65535); } flush_pending(strm); if (s.wrap > 0) { s.wrap = -s.wrap; } return s.pending !== 0 ? Z_OK : Z_STREAM_END; } function deflateEnd(strm) { var status; if (!strm || !strm.state) { return Z_STREAM_ERROR; } status = strm.state.status; if ( status !== INIT_STATE && status !== EXTRA_STATE && status !== NAME_STATE && status !== COMMENT_STATE && status !== HCRC_STATE && status !== BUSY_STATE && status !== FINISH_STATE ) { return err(strm, Z_STREAM_ERROR); } strm.state = null; return status === BUSY_STATE ? err(strm, Z_DATA_ERROR) : Z_OK; } function deflateSetDictionary(strm, dictionary) { var dictLength = dictionary.length; var s; var str, n; var wrap; var avail; var next; var input; var tmpDict; if (!strm || !strm.state) { return Z_STREAM_ERROR; } s = strm.state; wrap = s.wrap; if (wrap === 2 || (wrap === 1 && s.status !== INIT_STATE) || s.lookahead) { return Z_STREAM_ERROR; } if (wrap === 1) { strm.adler = adler32(strm.adler, dictionary, dictLength, 0); } s.wrap = 0; if (dictLength >= s.w_size) { if (wrap === 0) { zero(s.head); s.strstart = 0; s.block_start = 0; s.insert = 0; } tmpDict = new utils.Buf8(s.w_size); utils.arraySet(tmpDict, dictionary, dictLength - s.w_size, s.w_size, 0); dictionary = tmpDict; dictLength = s.w_size; } avail = strm.avail_in; next = strm.next_in; input = strm.input; strm.avail_in = dictLength; strm.next_in = 0; strm.input = dictionary; fill_window(s); while (s.lookahead >= MIN_MATCH) { str = s.strstart; n = s.lookahead - (MIN_MATCH - 1); do { s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask; s.prev[str & s.w_mask] = s.head[s.ins_h]; s.head[s.ins_h] = str; str++; } while (--n); s.strstart = str; s.lookahead = MIN_MATCH - 1; fill_window(s); } s.strstart += s.lookahead; s.block_start = s.strstart; s.insert = s.lookahead; s.lookahead = 0; s.match_length = s.prev_length = MIN_MATCH - 1; s.match_available = 0; strm.next_in = next; strm.input = input; strm.avail_in = avail; s.wrap = wrap; return Z_OK; } exports.deflateInit = deflateInit; exports.deflateInit2 = deflateInit2; exports.deflateReset = deflateReset; exports.deflateResetKeep = deflateResetKeep; exports.deflateSetHeader = deflateSetHeader; exports.deflate = deflate; exports.deflateEnd = deflateEnd; exports.deflateSetDictionary = deflateSetDictionary; exports.deflateInfo = "pako deflate (from Nodeca project)"; }, }); // node_modules/pako/lib/zlib/inffast.js var require_inffast = __commonJS({ "node_modules/pako/lib/zlib/inffast.js"(exports, module2) { "use strict"; var BAD = 30; var TYPE = 12; module2.exports = function inflate_fast(strm, start) { var state; var _in; var last; var _out; var beg; var end; var dmax; var wsize; var whave; var wnext; var s_window; var hold; var bits; var lcode; var dcode; var lmask; var dmask; var here; var op; var len; var dist; var from; var from_source; var input, output; state = strm.state; _in = strm.next_in; input = strm.input; last = _in + (strm.avail_in - 5); _out = strm.next_out; output = strm.output; beg = _out - (start - strm.avail_out); end = _out + (strm.avail_out - 257); dmax = state.dmax; wsize = state.wsize; whave = state.whave; wnext = state.wnext; s_window = state.window; hold = state.hold; bits = state.bits; lcode = state.lencode; dcode = state.distcode; lmask = (1 << state.lenbits) - 1; dmask = (1 << state.distbits) - 1; top: do { if (bits < 15) { hold += input[_in++] << bits; bits += 8; hold += input[_in++] << bits; bits += 8; } here = lcode[hold & lmask]; dolen: for (;;) { op = here >>> 24; hold >>>= op; bits -= op; op = (here >>> 16) & 255; if (op === 0) { output[_out++] = here & 65535; } else if (op & 16) { len = here & 65535; op &= 15; if (op) { if (bits < op) { hold += input[_in++] << bits; bits += 8; } len += hold & ((1 << op) - 1); hold >>>= op; bits -= op; } if (bits < 15) { hold += input[_in++] << bits; bits += 8; hold += input[_in++] << bits; bits += 8; } here = dcode[hold & dmask]; dodist: for (;;) { op = here >>> 24; hold >>>= op; bits -= op; op = (here >>> 16) & 255; if (op & 16) { dist = here & 65535; op &= 15; if (bits < op) { hold += input[_in++] << bits; bits += 8; if (bits < op) { hold += input[_in++] << bits; bits += 8; } } dist += hold & ((1 << op) - 1); if (dist > dmax) { strm.msg = "invalid distance too far back"; state.mode = BAD; break top; } hold >>>= op; bits -= op; op = _out - beg; if (dist > op) { op = dist - op; if (op > whave) { if (state.sane) { strm.msg = "invalid distance too far back"; state.mode = BAD; break top; } } from = 0; from_source = s_window; if (wnext === 0) { from += wsize - op; if (op < len) { len -= op; do { output[_out++] = s_window[from++]; } while (--op); from = _out - dist; from_source = output; } } else if (wnext < op) { from += wsize + wnext - op; op -= wnext; if (op < len) { len -= op; do { output[_out++] = s_window[from++]; } while (--op); from = 0; if (wnext < len) { op = wnext; len -= op; do { output[_out++] = s_window[from++]; } while (--op); from = _out - dist; from_source = output; } } } else { from += wnext - op; if (op < len) { len -= op; do { output[_out++] = s_window[from++]; } while (--op); from = _out - dist; from_source = output; } } while (len > 2) { output[_out++] = from_source[from++]; output[_out++] = from_source[from++]; output[_out++] = from_source[from++]; len -= 3; } if (len) { output[_out++] = from_source[from++]; if (len > 1) { output[_out++] = from_source[from++]; } } } else { from = _out - dist; do { output[_out++] = output[from++]; output[_out++] = output[from++]; output[_out++] = output[from++]; len -= 3; } while (len > 2); if (len) { output[_out++] = output[from++]; if (len > 1) { output[_out++] = output[from++]; } } } } else if ((op & 64) === 0) { here = dcode[(here & 65535) + (hold & ((1 << op) - 1))]; continue dodist; } else { strm.msg = "invalid distance code"; state.mode = BAD; break top; } break; } } else if ((op & 64) === 0) { here = lcode[(here & 65535) + (hold & ((1 << op) - 1))]; continue dolen; } else if (op & 32) { state.mode = TYPE; break top; } else { strm.msg = "invalid literal/length code"; state.mode = BAD; break top; } break; } } while (_in < last && _out < end); len = bits >> 3; _in -= len; bits -= len << 3; hold &= (1 << bits) - 1; strm.next_in = _in; strm.next_out = _out; strm.avail_in = _in < last ? 5 + (last - _in) : 5 - (_in - last); strm.avail_out = _out < end ? 257 + (end - _out) : 257 - (_out - end); state.hold = hold; state.bits = bits; return; }; }, }); // node_modules/pako/lib/zlib/inftrees.js var require_inftrees = __commonJS({ "node_modules/pako/lib/zlib/inftrees.js"(exports, module2) { "use strict"; var utils = require_common(); var MAXBITS = 15; var ENOUGH_LENS = 852; var ENOUGH_DISTS = 592; var CODES = 0; var LENS = 1; var DISTS = 2; var lbase = [ 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, 0, 0, ]; var lext = [ 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78, ]; var dbase = [ 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, 0, 0, ]; var dext = [ 16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 64, 64, ]; module2.exports = function inflate_table(type, lens, lens_index, codes, table, table_index, work, opts) { var bits = opts.bits; var len = 0; var sym = 0; var min = 0, max = 0; var root = 0; var curr = 0; var drop = 0; var left = 0; var used = 0; var huff = 0; var incr; var fill; var low; var mask; var next; var base = null; var base_index = 0; var end; var count = new utils.Buf16(MAXBITS + 1); var offs = new utils.Buf16(MAXBITS + 1); var extra = null; var extra_index = 0; var here_bits, here_op, here_val; for (len = 0; len <= MAXBITS; len++) { count[len] = 0; } for (sym = 0; sym < codes; sym++) { count[lens[lens_index + sym]]++; } root = bits; for (max = MAXBITS; max >= 1; max--) { if (count[max] !== 0) { break; } } if (root > max) { root = max; } if (max === 0) { table[table_index++] = (1 << 24) | (64 << 16) | 0; table[table_index++] = (1 << 24) | (64 << 16) | 0; opts.bits = 1; return 0; } for (min = 1; min < max; min++) { if (count[min] !== 0) { break; } } if (root < min) { root = min; } left = 1; for (len = 1; len <= MAXBITS; len++) { left <<= 1; left -= count[len]; if (left < 0) { return -1; } } if (left > 0 && (type === CODES || max !== 1)) { return -1; } offs[1] = 0; for (len = 1; len < MAXBITS; len++) { offs[len + 1] = offs[len] + count[len]; } for (sym = 0; sym < codes; sym++) { if (lens[lens_index + sym] !== 0) { work[offs[lens[lens_index + sym]]++] = sym; } } if (type === CODES) { base = extra = work; end = 19; } else if (type === LENS) { base = lbase; base_index -= 257; extra = lext; extra_index -= 257; end = 256; } else { base = dbase; extra = dext; end = -1; } huff = 0; sym = 0; len = min; next = table_index; curr = root; drop = 0; low = -1; used = 1 << root; mask = used - 1; if ((type === LENS && used > ENOUGH_LENS) || (type === DISTS && used > ENOUGH_DISTS)) { return 1; } for (;;) { here_bits = len - drop; if (work[sym] < end) { here_op = 0; here_val = work[sym]; } else if (work[sym] > end) { here_op = extra[extra_index + work[sym]]; here_val = base[base_index + work[sym]]; } else { here_op = 32 + 64; here_val = 0; } incr = 1 << (len - drop); fill = 1 << curr; min = fill; do { fill -= incr; table[next + (huff >> drop) + fill] = (here_bits << 24) | (here_op << 16) | here_val | 0; } while (fill !== 0); incr = 1 << (len - 1); while (huff & incr) { incr >>= 1; } if (incr !== 0) { huff &= incr - 1; huff += incr; } else { huff = 0; } sym++; if (--count[len] === 0) { if (len === max) { break; } len = lens[lens_index + work[sym]]; } if (len > root && (huff & mask) !== low) { if (drop === 0) { drop = root; } next += min; curr = len - drop; left = 1 << curr; while (curr + drop < max) { left -= count[curr + drop]; if (left <= 0) { break; } curr++; left <<= 1; } used += 1 << curr; if ((type === LENS && used > ENOUGH_LENS) || (type === DISTS && used > ENOUGH_DISTS)) { return 1; } low = huff & mask; table[low] = (root << 24) | (curr << 16) | (next - table_index) | 0; } } if (huff !== 0) { table[next + huff] = ((len - drop) << 24) | (64 << 16) | 0; } opts.bits = root; return 0; }; }, }); // node_modules/pako/lib/zlib/inflate.js var require_inflate = __commonJS({ "node_modules/pako/lib/zlib/inflate.js"(exports) { "use strict"; var utils = require_common(); var adler32 = require_adler32(); var crc32 = require_crc32(); var inflate_fast = require_inffast(); var inflate_table = require_inftrees(); var CODES = 0; var LENS = 1; var DISTS = 2; var Z_FINISH = 4; var Z_BLOCK = 5; var Z_TREES = 6; var Z_OK = 0; var Z_STREAM_END = 1; var Z_NEED_DICT = 2; var Z_STREAM_ERROR = -2; var Z_DATA_ERROR = -3; var Z_MEM_ERROR = -4; var Z_BUF_ERROR = -5; var Z_DEFLATED = 8; var HEAD = 1; var FLAGS = 2; var TIME = 3; var OS = 4; var EXLEN = 5; var EXTRA = 6; var NAME = 7; var COMMENT = 8; var HCRC = 9; var DICTID = 10; var DICT = 11; var TYPE = 12; var TYPEDO = 13; var STORED = 14; var COPY_ = 15; var COPY = 16; var TABLE = 17; var LENLENS = 18; var CODELENS = 19; var LEN_ = 20; var LEN = 21; var LENEXT = 22; var DIST = 23; var DISTEXT = 24; var MATCH = 25; var LIT = 26; var CHECK = 27; var LENGTH = 28; var DONE = 29; var BAD = 30; var MEM = 31; var SYNC = 32; var ENOUGH_LENS = 852; var ENOUGH_DISTS = 592; var MAX_WBITS = 15; var DEF_WBITS = MAX_WBITS; function zswap32(q) { return ((q >>> 24) & 255) + ((q >>> 8) & 65280) + ((q & 65280) << 8) + ((q & 255) << 24); } function InflateState() { this.mode = 0; this.last = false; this.wrap = 0; this.havedict = false; this.flags = 0; this.dmax = 0; this.check = 0; this.total = 0; this.head = null; this.wbits = 0; this.wsize = 0; this.whave = 0; this.wnext = 0; this.window = null; this.hold = 0; this.bits = 0; this.length = 0; this.offset = 0; this.extra = 0; this.lencode = null; this.distcode = null; this.lenbits = 0; this.distbits = 0; this.ncode = 0; this.nlen = 0; this.ndist = 0; this.have = 0; this.next = null; this.lens = new utils.Buf16(320); this.work = new utils.Buf16(288); this.lendyn = null; this.distdyn = null; this.sane = 0; this.back = 0; this.was = 0; } function inflateResetKeep(strm) { var state; if (!strm || !strm.state) { return Z_STREAM_ERROR; } state = strm.state; strm.total_in = strm.total_out = state.total = 0; strm.msg = ""; if (state.wrap) { strm.adler = state.wrap & 1; } state.mode = HEAD; state.last = 0; state.havedict = 0; state.dmax = 32768; state.head = null; state.hold = 0; state.bits = 0; state.lencode = state.lendyn = new utils.Buf32(ENOUGH_LENS); state.distcode = state.distdyn = new utils.Buf32(ENOUGH_DISTS); state.sane = 1; state.back = -1; return Z_OK; } function inflateReset(strm) { var state; if (!strm || !strm.state) { return Z_STREAM_ERROR; } state = strm.state; state.wsize = 0; state.whave = 0; state.wnext = 0; return inflateResetKeep(strm); } function inflateReset2(strm, windowBits) { var wrap; var state; if (!strm || !strm.state) { return Z_STREAM_ERROR; } state = strm.state; if (windowBits < 0) { wrap = 0; windowBits = -windowBits; } else { wrap = (windowBits >> 4) + 1; if (windowBits < 48) { windowBits &= 15; } } if (windowBits && (windowBits < 8 || windowBits > 15)) { return Z_STREAM_ERROR; } if (state.window !== null && state.wbits !== windowBits) { state.window = null; } state.wrap = wrap; state.wbits = windowBits; return inflateReset(strm); } function inflateInit2(strm, windowBits) { var ret; var state; if (!strm) { return Z_STREAM_ERROR; } state = new InflateState(); strm.state = state; state.window = null; ret = inflateReset2(strm, windowBits); if (ret !== Z_OK) { strm.state = null; } return ret; } function inflateInit(strm) { return inflateInit2(strm, DEF_WBITS); } var virgin = true; var lenfix; var distfix; function fixedtables(state) { if (virgin) { var sym; lenfix = new utils.Buf32(512); distfix = new utils.Buf32(32); sym = 0; while (sym < 144) { state.lens[sym++] = 8; } while (sym < 256) { state.lens[sym++] = 9; } while (sym < 280) { state.lens[sym++] = 7; } while (sym < 288) { state.lens[sym++] = 8; } inflate_table(LENS, state.lens, 0, 288, lenfix, 0, state.work, { bits: 9, }); sym = 0; while (sym < 32) { state.lens[sym++] = 5; } inflate_table(DISTS, state.lens, 0, 32, distfix, 0, state.work, { bits: 5, }); virgin = false; } state.lencode = lenfix; state.lenbits = 9; state.distcode = distfix; state.distbits = 5; } function updatewindow(strm, src, end, copy) { var dist; var state = strm.state; if (state.window === null) { state.wsize = 1 << state.wbits; state.wnext = 0; state.whave = 0; state.window = new utils.Buf8(state.wsize); } if (copy >= state.wsize) { utils.arraySet(state.window, src, end - state.wsize, state.wsize, 0); state.wnext = 0; state.whave = state.wsize; } else { dist = state.wsize - state.wnext; if (dist > copy) { dist = copy; } utils.arraySet(state.window, src, end - copy, dist, state.wnext); copy -= dist; if (copy) { utils.arraySet(state.window, src, end - copy, copy, 0); state.wnext = copy; state.whave = state.wsize; } else { state.wnext += dist; if (state.wnext === state.wsize) { state.wnext = 0; } if (state.whave < state.wsize) { state.whave += dist; } } } return 0; } function inflate(strm, flush) { var state; var input, output; var next; var put; var have, left; var hold; var bits; var _in, _out; var copy; var from; var from_source; var here = 0; var here_bits, here_op, here_val; var last_bits, last_op, last_val; var len; var ret; var hbuf = new utils.Buf8(4); var opts; var n; var order = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]; if (!strm || !strm.state || !strm.output || (!strm.input && strm.avail_in !== 0)) { return Z_STREAM_ERROR; } state = strm.state; if (state.mode === TYPE) { state.mode = TYPEDO; } put = strm.next_out; output = strm.output; left = strm.avail_out; next = strm.next_in; input = strm.input; have = strm.avail_in; hold = state.hold; bits = state.bits; _in = have; _out = left; ret = Z_OK; inf_leave: for (;;) { switch (state.mode) { case HEAD: if (state.wrap === 0) { state.mode = TYPEDO; break; } while (bits < 16) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if (state.wrap & 2 && hold === 35615) { state.check = 0; hbuf[0] = hold & 255; hbuf[1] = (hold >>> 8) & 255; state.check = crc32(state.check, hbuf, 2, 0); hold = 0; bits = 0; state.mode = FLAGS; break; } state.flags = 0; if (state.head) { state.head.done = false; } if (!(state.wrap & 1) || (((hold & 255) << 8) + (hold >> 8)) % 31) { strm.msg = "incorrect header check"; state.mode = BAD; break; } if ((hold & 15) !== Z_DEFLATED) { strm.msg = "unknown compression method"; state.mode = BAD; break; } hold >>>= 4; bits -= 4; len = (hold & 15) + 8; if (state.wbits === 0) { state.wbits = len; } else if (len > state.wbits) { strm.msg = "invalid window size"; state.mode = BAD; break; } state.dmax = 1 << len; strm.adler = state.check = 1; state.mode = hold & 512 ? DICTID : TYPE; hold = 0; bits = 0; break; case FLAGS: while (bits < 16) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } state.flags = hold; if ((state.flags & 255) !== Z_DEFLATED) { strm.msg = "unknown compression method"; state.mode = BAD; break; } if (state.flags & 57344) { strm.msg = "unknown header flags set"; state.mode = BAD; break; } if (state.head) { state.head.text = (hold >> 8) & 1; } if (state.flags & 512) { hbuf[0] = hold & 255; hbuf[1] = (hold >>> 8) & 255; state.check = crc32(state.check, hbuf, 2, 0); } hold = 0; bits = 0; state.mode = TIME; case TIME: while (bits < 32) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if (state.head) { state.head.time = hold; } if (state.flags & 512) { hbuf[0] = hold & 255; hbuf[1] = (hold >>> 8) & 255; hbuf[2] = (hold >>> 16) & 255; hbuf[3] = (hold >>> 24) & 255; state.check = crc32(state.check, hbuf, 4, 0); } hold = 0; bits = 0; state.mode = OS; case OS: while (bits < 16) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if (state.head) { state.head.xflags = hold & 255; state.head.os = hold >> 8; } if (state.flags & 512) { hbuf[0] = hold & 255; hbuf[1] = (hold >>> 8) & 255; state.check = crc32(state.check, hbuf, 2, 0); } hold = 0; bits = 0; state.mode = EXLEN; case EXLEN: if (state.flags & 1024) { while (bits < 16) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } state.length = hold; if (state.head) { state.head.extra_len = hold; } if (state.flags & 512) { hbuf[0] = hold & 255; hbuf[1] = (hold >>> 8) & 255; state.check = crc32(state.check, hbuf, 2, 0); } hold = 0; bits = 0; } else if (state.head) { state.head.extra = null; } state.mode = EXTRA; case EXTRA: if (state.flags & 1024) { copy = state.length; if (copy > have) { copy = have; } if (copy) { if (state.head) { len = state.head.extra_len - state.length; if (!state.head.extra) { state.head.extra = new Array(state.head.extra_len); } utils.arraySet(state.head.extra, input, next, copy, len); } if (state.flags & 512) { state.check = crc32(state.check, input, copy, next); } have -= copy; next += copy; state.length -= copy; } if (state.length) { break inf_leave; } } state.length = 0; state.mode = NAME; case NAME: if (state.flags & 2048) { if (have === 0) { break inf_leave; } copy = 0; do { len = input[next + copy++]; if (state.head && len && state.length < 65536) { state.head.name += String.fromCharCode(len); } } while (len && copy < have); if (state.flags & 512) { state.check = crc32(state.check, input, copy, next); } have -= copy; next += copy; if (len) { break inf_leave; } } else if (state.head) { state.head.name = null; } state.length = 0; state.mode = COMMENT; case COMMENT: if (state.flags & 4096) { if (have === 0) { break inf_leave; } copy = 0; do { len = input[next + copy++]; if (state.head && len && state.length < 65536) { state.head.comment += String.fromCharCode(len); } } while (len && copy < have); if (state.flags & 512) { state.check = crc32(state.check, input, copy, next); } have -= copy; next += copy; if (len) { break inf_leave; } } else if (state.head) { state.head.comment = null; } state.mode = HCRC; case HCRC: if (state.flags & 512) { while (bits < 16) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if (hold !== (state.check & 65535)) { strm.msg = "header crc mismatch"; state.mode = BAD; break; } hold = 0; bits = 0; } if (state.head) { state.head.hcrc = (state.flags >> 9) & 1; state.head.done = true; } strm.adler = state.check = 0; state.mode = TYPE; break; case DICTID: while (bits < 32) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } strm.adler = state.check = zswap32(hold); hold = 0; bits = 0; state.mode = DICT; case DICT: if (state.havedict === 0) { strm.next_out = put; strm.avail_out = left; strm.next_in = next; strm.avail_in = have; state.hold = hold; state.bits = bits; return Z_NEED_DICT; } strm.adler = state.check = 1; state.mode = TYPE; case TYPE: if (flush === Z_BLOCK || flush === Z_TREES) { break inf_leave; } case TYPEDO: if (state.last) { hold >>>= bits & 7; bits -= bits & 7; state.mode = CHECK; break; } while (bits < 3) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } state.last = hold & 1; hold >>>= 1; bits -= 1; switch (hold & 3) { case 0: state.mode = STORED; break; case 1: fixedtables(state); state.mode = LEN_; if (flush === Z_TREES) { hold >>>= 2; bits -= 2; break inf_leave; } break; case 2: state.mode = TABLE; break; case 3: strm.msg = "invalid block type"; state.mode = BAD; } hold >>>= 2; bits -= 2; break; case STORED: hold >>>= bits & 7; bits -= bits & 7; while (bits < 32) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if ((hold & 65535) !== ((hold >>> 16) ^ 65535)) { strm.msg = "invalid stored block lengths"; state.mode = BAD; break; } state.length = hold & 65535; hold = 0; bits = 0; state.mode = COPY_; if (flush === Z_TREES) { break inf_leave; } case COPY_: state.mode = COPY; case COPY: copy = state.length; if (copy) { if (copy > have) { copy = have; } if (copy > left) { copy = left; } if (copy === 0) { break inf_leave; } utils.arraySet(output, input, next, copy, put); have -= copy; next += copy; left -= copy; put += copy; state.length -= copy; break; } state.mode = TYPE; break; case TABLE: while (bits < 14) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } state.nlen = (hold & 31) + 257; hold >>>= 5; bits -= 5; state.ndist = (hold & 31) + 1; hold >>>= 5; bits -= 5; state.ncode = (hold & 15) + 4; hold >>>= 4; bits -= 4; if (state.nlen > 286 || state.ndist > 30) { strm.msg = "too many length or distance symbols"; state.mode = BAD; break; } state.have = 0; state.mode = LENLENS; case LENLENS: while (state.have < state.ncode) { while (bits < 3) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } state.lens[order[state.have++]] = hold & 7; hold >>>= 3; bits -= 3; } while (state.have < 19) { state.lens[order[state.have++]] = 0; } state.lencode = state.lendyn; state.lenbits = 7; opts = { bits: state.lenbits }; ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts); state.lenbits = opts.bits; if (ret) { strm.msg = "invalid code lengths set"; state.mode = BAD; break; } state.have = 0; state.mode = CODELENS; case CODELENS: while (state.have < state.nlen + state.ndist) { for (;;) { here = state.lencode[hold & ((1 << state.lenbits) - 1)]; here_bits = here >>> 24; here_op = (here >>> 16) & 255; here_val = here & 65535; if (here_bits <= bits) { break; } if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if (here_val < 16) { hold >>>= here_bits; bits -= here_bits; state.lens[state.have++] = here_val; } else { if (here_val === 16) { n = here_bits + 2; while (bits < n) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } hold >>>= here_bits; bits -= here_bits; if (state.have === 0) { strm.msg = "invalid bit length repeat"; state.mode = BAD; break; } len = state.lens[state.have - 1]; copy = 3 + (hold & 3); hold >>>= 2; bits -= 2; } else if (here_val === 17) { n = here_bits + 3; while (bits < n) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } hold >>>= here_bits; bits -= here_bits; len = 0; copy = 3 + (hold & 7); hold >>>= 3; bits -= 3; } else { n = here_bits + 7; while (bits < n) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } hold >>>= here_bits; bits -= here_bits; len = 0; copy = 11 + (hold & 127); hold >>>= 7; bits -= 7; } if (state.have + copy > state.nlen + state.ndist) { strm.msg = "invalid bit length repeat"; state.mode = BAD; break; } while (copy--) { state.lens[state.have++] = len; } } } if (state.mode === BAD) { break; } if (state.lens[256] === 0) { strm.msg = "invalid code -- missing end-of-block"; state.mode = BAD; break; } state.lenbits = 9; opts = { bits: state.lenbits }; ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts); state.lenbits = opts.bits; if (ret) { strm.msg = "invalid literal/lengths set"; state.mode = BAD; break; } state.distbits = 6; state.distcode = state.distdyn; opts = { bits: state.distbits }; ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts); state.distbits = opts.bits; if (ret) { strm.msg = "invalid distances set"; state.mode = BAD; break; } state.mode = LEN_; if (flush === Z_TREES) { break inf_leave; } case LEN_: state.mode = LEN; case LEN: if (have >= 6 && left >= 258) { strm.next_out = put; strm.avail_out = left; strm.next_in = next; strm.avail_in = have; state.hold = hold; state.bits = bits; inflate_fast(strm, _out); put = strm.next_out; output = strm.output; left = strm.avail_out; next = strm.next_in; input = strm.input; have = strm.avail_in; hold = state.hold; bits = state.bits; if (state.mode === TYPE) { state.back = -1; } break; } state.back = 0; for (;;) { here = state.lencode[hold & ((1 << state.lenbits) - 1)]; here_bits = here >>> 24; here_op = (here >>> 16) & 255; here_val = here & 65535; if (here_bits <= bits) { break; } if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if (here_op && (here_op & 240) === 0) { last_bits = here_bits; last_op = here_op; last_val = here_val; for (;;) { here = state.lencode[last_val + ((hold & ((1 << (last_bits + last_op)) - 1)) >> last_bits)]; here_bits = here >>> 24; here_op = (here >>> 16) & 255; here_val = here & 65535; if (last_bits + here_bits <= bits) { break; } if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } hold >>>= last_bits; bits -= last_bits; state.back += last_bits; } hold >>>= here_bits; bits -= here_bits; state.back += here_bits; state.length = here_val; if (here_op === 0) { state.mode = LIT; break; } if (here_op & 32) { state.back = -1; state.mode = TYPE; break; } if (here_op & 64) { strm.msg = "invalid literal/length code"; state.mode = BAD; break; } state.extra = here_op & 15; state.mode = LENEXT; case LENEXT: if (state.extra) { n = state.extra; while (bits < n) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } state.length += hold & ((1 << state.extra) - 1); hold >>>= state.extra; bits -= state.extra; state.back += state.extra; } state.was = state.length; state.mode = DIST; case DIST: for (;;) { here = state.distcode[hold & ((1 << state.distbits) - 1)]; here_bits = here >>> 24; here_op = (here >>> 16) & 255; here_val = here & 65535; if (here_bits <= bits) { break; } if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if ((here_op & 240) === 0) { last_bits = here_bits; last_op = here_op; last_val = here_val; for (;;) { here = state.distcode[last_val + ((hold & ((1 << (last_bits + last_op)) - 1)) >> last_bits)]; here_bits = here >>> 24; here_op = (here >>> 16) & 255; here_val = here & 65535; if (last_bits + here_bits <= bits) { break; } if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } hold >>>= last_bits; bits -= last_bits; state.back += last_bits; } hold >>>= here_bits; bits -= here_bits; state.back += here_bits; if (here_op & 64) { strm.msg = "invalid distance code"; state.mode = BAD; break; } state.offset = here_val; state.extra = here_op & 15; state.mode = DISTEXT; case DISTEXT: if (state.extra) { n = state.extra; while (bits < n) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } state.offset += hold & ((1 << state.extra) - 1); hold >>>= state.extra; bits -= state.extra; state.back += state.extra; } if (state.offset > state.dmax) { strm.msg = "invalid distance too far back"; state.mode = BAD; break; } state.mode = MATCH; case MATCH: if (left === 0) { break inf_leave; } copy = _out - left; if (state.offset > copy) { copy = state.offset - copy; if (copy > state.whave) { if (state.sane) { strm.msg = "invalid distance too far back"; state.mode = BAD; break; } } if (copy > state.wnext) { copy -= state.wnext; from = state.wsize - copy; } else { from = state.wnext - copy; } if (copy > state.length) { copy = state.length; } from_source = state.window; } else { from_source = output; from = put - state.offset; copy = state.length; } if (copy > left) { copy = left; } left -= copy; state.length -= copy; do { output[put++] = from_source[from++]; } while (--copy); if (state.length === 0) { state.mode = LEN; } break; case LIT: if (left === 0) { break inf_leave; } output[put++] = state.length; left--; state.mode = LEN; break; case CHECK: if (state.wrap) { while (bits < 32) { if (have === 0) { break inf_leave; } have--; hold |= input[next++] << bits; bits += 8; } _out -= left; strm.total_out += _out; state.total += _out; if (_out) { strm.adler = state.check = state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out); } _out = left; if ((state.flags ? hold : zswap32(hold)) !== state.check) { strm.msg = "incorrect data check"; state.mode = BAD; break; } hold = 0; bits = 0; } state.mode = LENGTH; case LENGTH: if (state.wrap && state.flags) { while (bits < 32) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } if (hold !== (state.total & 4294967295)) { strm.msg = "incorrect length check"; state.mode = BAD; break; } hold = 0; bits = 0; } state.mode = DONE; case DONE: ret = Z_STREAM_END; break inf_leave; case BAD: ret = Z_DATA_ERROR; break inf_leave; case MEM: return Z_MEM_ERROR; case SYNC: default: return Z_STREAM_ERROR; } } strm.next_out = put; strm.avail_out = left; strm.next_in = next; strm.avail_in = have; state.hold = hold; state.bits = bits; if (state.wsize || (_out !== strm.avail_out && state.mode < BAD && (state.mode < CHECK || flush !== Z_FINISH))) { if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) { state.mode = MEM; return Z_MEM_ERROR; } } _in -= strm.avail_in; _out -= strm.avail_out; strm.total_in += _in; strm.total_out += _out; state.total += _out; if (state.wrap && _out) { strm.adler = state.check = state.flags ? crc32(state.check, output, _out, strm.next_out - _out) : adler32(state.check, output, _out, strm.next_out - _out); } strm.data_type = state.bits + (state.last ? 64 : 0) + (state.mode === TYPE ? 128 : 0) + (state.mode === LEN_ || state.mode === COPY_ ? 256 : 0); if (((_in === 0 && _out === 0) || flush === Z_FINISH) && ret === Z_OK) { ret = Z_BUF_ERROR; } return ret; } function inflateEnd(strm) { if (!strm || !strm.state) { return Z_STREAM_ERROR; } var state = strm.state; if (state.window) { state.window = null; } strm.state = null; return Z_OK; } function inflateGetHeader(strm, head) { var state; if (!strm || !strm.state) { return Z_STREAM_ERROR; } state = strm.state; if ((state.wrap & 2) === 0) { return Z_STREAM_ERROR; } state.head = head; head.done = false; return Z_OK; } function inflateSetDictionary(strm, dictionary) { var dictLength = dictionary.length; var state; var dictid; var ret; if (!strm || !strm.state) { return Z_STREAM_ERROR; } state = strm.state; if (state.wrap !== 0 && state.mode !== DICT) { return Z_STREAM_ERROR; } if (state.mode === DICT) { dictid = 1; dictid = adler32(dictid, dictionary, dictLength, 0); if (dictid !== state.check) { return Z_DATA_ERROR; } } ret = updatewindow(strm, dictionary, dictLength, dictLength); if (ret) { state.mode = MEM; return Z_MEM_ERROR; } state.havedict = 1; return Z_OK; } exports.inflateReset = inflateReset; exports.inflateReset2 = inflateReset2; exports.inflateResetKeep = inflateResetKeep; exports.inflateInit = inflateInit; exports.inflateInit2 = inflateInit2; exports.inflate = inflate; exports.inflateEnd = inflateEnd; exports.inflateGetHeader = inflateGetHeader; exports.inflateSetDictionary = inflateSetDictionary; exports.inflateInfo = "pako inflate (from Nodeca project)"; }, }); // node_modules/pako/lib/zlib/constants.js var require_constants = __commonJS({ "node_modules/pako/lib/zlib/constants.js"(exports, module2) { "use strict"; module2.exports = { 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, Z_OK: 0, Z_STREAM_END: 1, Z_NEED_DICT: 2, Z_ERRNO: -1, Z_STREAM_ERROR: -2, Z_DATA_ERROR: -3, Z_BUF_ERROR: -5, 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, Z_BINARY: 0, Z_TEXT: 1, Z_UNKNOWN: 2, Z_DEFLATED: 8, }; }, }); // node_modules/browserify-zlib/lib/binding.js var require_binding = __commonJS({ "node_modules/browserify-zlib/lib/binding.js"(exports) { "use strict"; var Zstream = require_zstream(); var zlib_deflate = require_deflate(); var zlib_inflate = require_inflate(); var constants = require_constants(); for (key in constants) { exports[key] = constants[key]; } var key; exports.NONE = 0; exports.DEFLATE = 1; exports.INFLATE = 2; exports.GZIP = 3; exports.GUNZIP = 4; exports.DEFLATERAW = 5; exports.INFLATERAW = 6; exports.UNZIP = 7; var GZIP_HEADER_ID1 = 31; var GZIP_HEADER_ID2 = 139; function Zlib(mode) { if (typeof mode !== "number" || mode < exports.DEFLATE || mode > exports.UNZIP) { throw new TypeError("Bad argument"); } this.dictionary = null; this.err = 0; this.flush = 0; this.init_done = false; this.level = 0; this.memLevel = 0; this.mode = mode; this.strategy = 0; this.windowBits = 0; this.write_in_progress = false; this.pending_close = false; this.gzip_id_bytes_read = 0; } Zlib.prototype = {}; Zlib.prototype.close = function () { if (this.write_in_progress) { this.pending_close = true; return; } this.pending_close = false; assert(this.init_done, "close before init"); assert(this.mode <= exports.UNZIP); if (this.mode === exports.DEFLATE || this.mode === exports.GZIP || this.mode === exports.DEFLATERAW) { zlib_deflate.deflateEnd(this.strm); } else if ( this.mode === exports.INFLATE || this.mode === exports.GUNZIP || this.mode === exports.INFLATERAW || this.mode === exports.UNZIP ) { zlib_inflate.inflateEnd(this.strm); } this.mode = exports.NONE; this.dictionary = null; }; Zlib.prototype.write = function (flush, input, in_off, in_len, out, out_off, out_len) { return this._write(true, flush, input, in_off, in_len, out, out_off, out_len); }; Zlib.prototype.writeSync = function (flush, input, in_off, in_len, out, out_off, out_len) { return this._write(false, flush, input, in_off, in_len, out, out_off, out_len); }; Zlib.prototype._write = function (async, flush, input, in_off, in_len, out, out_off, out_len) { assert.equal(arguments.length, 8); assert(this.init_done, "write before init"); assert(this.mode !== exports.NONE, "already finalized"); assert.equal(false, this.write_in_progress, "write already in progress"); assert.equal(false, this.pending_close, "close is pending"); this.write_in_progress = true; assert.equal(false, flush === void 0, "must provide flush value"); this.write_in_progress = true; if ( flush !== exports.Z_NO_FLUSH && flush !== exports.Z_PARTIAL_FLUSH && flush !== exports.Z_SYNC_FLUSH && flush !== exports.Z_FULL_FLUSH && flush !== exports.Z_FINISH && flush !== exports.Z_BLOCK ) { throw new Error("Invalid flush value"); } if (input == null) { input = Buffer.alloc(0); in_len = 0; in_off = 0; } this.strm.avail_in = in_len; this.strm.input = input; this.strm.next_in = in_off; this.strm.avail_out = out_len; this.strm.output = out; this.strm.next_out = out_off; this.flush = flush; if (!async) { this._process(); if (this._checkError()) { return this._afterSync(); } return; } var self = this; process.nextTick(function () { self._process(); self._after(); }); return this; }; Zlib.prototype._afterSync = function () { var avail_out = this.strm.avail_out; var avail_in = this.strm.avail_in; this.write_in_progress = false; return [avail_in, avail_out]; }; Zlib.prototype._process = function () { var next_expected_header_byte = null; switch (this.mode) { case exports.DEFLATE: case exports.GZIP: case exports.DEFLATERAW: this.err = zlib_deflate.deflate(this.strm, this.flush); break; case exports.UNZIP: if (this.strm.avail_in > 0) { next_expected_header_byte = this.strm.next_in; } switch (this.gzip_id_bytes_read) { case 0: if (next_expected_header_byte === null) { break; } if (this.strm.input[next_expected_header_byte] === GZIP_HEADER_ID1) { this.gzip_id_bytes_read = 1; next_expected_header_byte++; if (this.strm.avail_in === 1) { break; } } else { this.mode = exports.INFLATE; break; } case 1: if (next_expected_header_byte === null) { break; } if (this.strm.input[next_expected_header_byte] === GZIP_HEADER_ID2) { this.gzip_id_bytes_read = 2; this.mode = exports.GUNZIP; } else { this.mode = exports.INFLATE; } break; default: throw new Error("invalid number of gzip magic number bytes read"); } case exports.INFLATE: case exports.GUNZIP: case exports.INFLATERAW: this.err = zlib_inflate.inflate(this.strm, this.flush); if (this.err === exports.Z_NEED_DICT && this.dictionary) { this.err = zlib_inflate.inflateSetDictionary(this.strm, this.dictionary); if (this.err === exports.Z_OK) { this.err = zlib_inflate.inflate(this.strm, this.flush); } else if (this.err === exports.Z_DATA_ERROR) { this.err = exports.Z_NEED_DICT; } } while ( this.strm.avail_in > 0 && this.mode === exports.GUNZIP && this.err === exports.Z_STREAM_END && this.strm.next_in[0] !== 0 ) { this.reset(); this.err = zlib_inflate.inflate(this.strm, this.flush); } break; default: throw new Error("Unknown mode " + this.mode); } }; Zlib.prototype._checkError = function () { switch (this.err) { case exports.Z_OK: case exports.Z_BUF_ERROR: if (this.strm.avail_out !== 0 && this.flush === exports.Z_FINISH) { this._error("unexpected end of file"); return false; } break; case exports.Z_STREAM_END: break; case exports.Z_NEED_DICT: if (this.dictionary == null) { this._error("Missing dictionary"); } else { this._error("Bad dictionary"); } return false; default: this._error("Zlib error"); return false; } return true; }; Zlib.prototype._after = function () { if (!this._checkError()) { return; } var avail_out = this.strm.avail_out; var avail_in = this.strm.avail_in; this.write_in_progress = false; this.callback(avail_in, avail_out); if (this.pending_close) { this.close(); } }; Zlib.prototype._error = function (message) { if (this.strm.msg) { message = this.strm.msg; } this.onerror(message, this.err); this.write_in_progress = false; if (this.pending_close) { this.close(); } }; Zlib.prototype.init = function (windowBits, level, memLevel, strategy, dictionary) { assert( arguments.length === 4 || arguments.length === 5, "init(windowBits, level, memLevel, strategy, [dictionary])", ); assert(windowBits >= 8 && windowBits <= 15, "invalid windowBits"); assert(level >= -1 && level <= 9, "invalid compression level"); assert(memLevel >= 1 && memLevel <= 9, "invalid memlevel"); assert( strategy === exports.Z_FILTERED || strategy === exports.Z_HUFFMAN_ONLY || strategy === exports.Z_RLE || strategy === exports.Z_FIXED || strategy === exports.Z_DEFAULT_STRATEGY, "invalid strategy", ); this._init(level, windowBits, memLevel, strategy, dictionary); this._setDictionary(); }; Zlib.prototype.params = function () { throw new Error("deflateParams Not supported"); }; Zlib.prototype.reset = function () { this._reset(); this._setDictionary(); }; Zlib.prototype._init = function (level, windowBits, memLevel, strategy, dictionary) { this.level = level; this.windowBits = windowBits; this.memLevel = memLevel; this.strategy = strategy; this.flush = exports.Z_NO_FLUSH; this.err = exports.Z_OK; if (this.mode === exports.GZIP || this.mode === exports.GUNZIP) { this.windowBits += 16; } if (this.mode === exports.UNZIP) { this.windowBits += 32; } if (this.mode === exports.DEFLATERAW || this.mode === exports.INFLATERAW) { this.windowBits = -1 * this.windowBits; } this.strm = new Zstream(); switch (this.mode) { case exports.DEFLATE: case exports.GZIP: case exports.DEFLATERAW: this.err = zlib_deflate.deflateInit2( this.strm, this.level, exports.Z_DEFLATED, this.windowBits, this.memLevel, this.strategy, ); break; case exports.INFLATE: case exports.GUNZIP: case exports.INFLATERAW: case exports.UNZIP: this.err = zlib_inflate.inflateInit2(this.strm, this.windowBits); break; default: throw new Error("Unknown mode " + this.mode); } if (this.err !== exports.Z_OK) { this._error("Init error"); } this.dictionary = dictionary; this.write_in_progress = false; this.init_done = true; }; Zlib.prototype._setDictionary = function () { if (this.dictionary == null) { return; } this.err = exports.Z_OK; switch (this.mode) { case exports.DEFLATE: case exports.DEFLATERAW: this.err = zlib_deflate.deflateSetDictionary(this.strm, this.dictionary); break; default: break; } if (this.err !== exports.Z_OK) { this._error("Failed to set dictionary"); } }; Zlib.prototype._reset = function () { this.err = exports.Z_OK; switch (this.mode) { case exports.DEFLATE: case exports.DEFLATERAW: case exports.GZIP: this.err = zlib_deflate.deflateReset(this.strm); break; case exports.INFLATE: case exports.INFLATERAW: case exports.GUNZIP: this.err = zlib_inflate.inflateReset(this.strm); break; default: break; } if (this.err !== exports.Z_OK) { this._error("Failed to reset stream"); } }; exports.Zlib = Zlib; }, }); // node_modules/browserify-zlib/lib/index.js var require_lib = __commonJS({ "node_modules/browserify-zlib/lib/index.js"(exports) { "use strict"; var Buffer2 = BufferModule.Buffer; var Transform = StreamModule.Transform; var binding = require_binding(); var util = Util; var kMaxLength = BufferModule.kMaxLength; var kRangeErrorMessage = "Cannot create final Buffer. It would be larger than 0x" + kMaxLength.toString(16) + " bytes"; binding.Z_MIN_WINDOWBITS = 8; binding.Z_MAX_WINDOWBITS = 15; binding.Z_DEFAULT_WINDOWBITS = 15; binding.Z_MIN_CHUNK = 64; binding.Z_MAX_CHUNK = Infinity; binding.Z_DEFAULT_CHUNK = 16 * 1024; binding.Z_MIN_MEMLEVEL = 1; binding.Z_MAX_MEMLEVEL = 9; binding.Z_DEFAULT_MEMLEVEL = 8; binding.Z_MIN_LEVEL = -1; binding.Z_MAX_LEVEL = 9; binding.Z_DEFAULT_LEVEL = binding.Z_DEFAULT_COMPRESSION; var bkeys = Object.keys(binding); for (bk = 0; bk < bkeys.length; bk++) { bkey = bkeys[bk]; if (bkey.match(/^Z/)) { Object.defineProperty(exports, bkey, { enumerable: true, value: binding[bkey], writable: false, }); } } var bkey; var bk; var codes = { Z_OK: binding.Z_OK, Z_STREAM_END: binding.Z_STREAM_END, Z_NEED_DICT: binding.Z_NEED_DICT, Z_ERRNO: binding.Z_ERRNO, Z_STREAM_ERROR: binding.Z_STREAM_ERROR, Z_DATA_ERROR: binding.Z_DATA_ERROR, Z_MEM_ERROR: binding.Z_MEM_ERROR, Z_BUF_ERROR: binding.Z_BUF_ERROR, Z_VERSION_ERROR: binding.Z_VERSION_ERROR, }; var ckeys = Object.keys(codes); for (ck = 0; ck < ckeys.length; ck++) { ckey = ckeys[ck]; codes[codes[ckey]] = ckey; } var ckey; var ck; Object.defineProperty(exports, "codes", { enumerable: true, value: Object.freeze(codes), writable: false, }); exports.constants = require_constants(); exports.Deflate = Deflate; exports.Inflate = Inflate; exports.Gzip = Gzip; exports.Gunzip = Gunzip; exports.DeflateRaw = DeflateRaw; exports.InflateRaw = InflateRaw; exports.Unzip = Unzip; exports.createDeflate = function (o) { return new Deflate(o); }; exports.createInflate = function (o) { return new Inflate(o); }; exports.createDeflateRaw = function (o) { return new DeflateRaw(o); }; exports.createInflateRaw = function (o) { return new InflateRaw(o); }; exports.createGzip = function (o) { return new Gzip(o); }; exports.createGunzip = function (o) { return new Gunzip(o); }; exports.createUnzip = function (o) { return new Unzip(o); }; exports.deflate = function (buffer, opts, callback) { if (typeof opts === "function") { callback = opts; opts = {}; } return zlibBuffer(new Deflate(opts), buffer, callback); }; exports.deflateSync = function (buffer, opts) { return zlibBufferSync(new Deflate(opts), buffer); }; exports.gzip = function (buffer, opts, callback) { if (typeof opts === "function") { callback = opts; opts = {}; } return zlibBuffer(new Gzip(opts), buffer, callback); }; exports.gzipSync = function (buffer, opts) { return zlibBufferSync(new Gzip(opts), buffer); }; exports.deflateRaw = function (buffer, opts, callback) { if (typeof opts === "function") { callback = opts; opts = {}; } return zlibBuffer(new DeflateRaw(opts), buffer, callback); }; exports.deflateRawSync = function (buffer, opts) { return zlibBufferSync(new DeflateRaw(opts), buffer); }; exports.unzip = function (buffer, opts, callback) { if (typeof opts === "function") { callback = opts; opts = {}; } return zlibBuffer(new Unzip(opts), buffer, callback); }; exports.unzipSync = function (buffer, opts) { return zlibBufferSync(new Unzip(opts), buffer); }; exports.inflate = function (buffer, opts, callback) { if (typeof opts === "function") { callback = opts; opts = {}; } return zlibBuffer(new Inflate(opts), buffer, callback); }; exports.inflateSync = function (buffer, opts) { return zlibBufferSync(new Inflate(opts), buffer); }; exports.gunzip = function (buffer, opts, callback) { if (typeof opts === "function") { callback = opts; opts = {}; } return zlibBuffer(new Gunzip(opts), buffer, callback); }; exports.gunzipSync = function (buffer, opts) { return zlibBufferSync(new Gunzip(opts), buffer); }; exports.inflateRaw = function (buffer, opts, callback) { if (typeof opts === "function") { callback = opts; opts = {}; } return zlibBuffer(new InflateRaw(opts), buffer, callback); }; exports.inflateRawSync = function (buffer, opts) { return zlibBufferSync(new InflateRaw(opts), buffer); }; // not implemented, stub exports.brotliCompress = function (buffer, opts, callback) { throw new Error("zlib.brotliCompress is not implemented"); }; function zlibBuffer(engine, buffer, callback) { var buffers = []; var nread = 0; engine.on("error", onError); engine.on("end", onEnd); engine.end(buffer); flow(); function flow() { var chunk; while (null !== (chunk = engine.read())) { buffers.push(chunk); nread += chunk.length; } engine.once("readable", flow); } function onError(err) { engine.removeListener("end", onEnd); engine.removeListener("readable", flow); callback(err); } function onEnd() { var buf; var err = null; if (nread >= kMaxLength) { err = new RangeError(kRangeErrorMessage); } else { buf = Buffer2.concat(buffers, nread); } buffers = []; engine.close(); callback(err, buf); } } function zlibBufferSync(engine, buffer) { if (typeof buffer === "string") buffer = Buffer2.from(buffer); if (!Buffer2.isBuffer(buffer)) throw new TypeError("Not a string or buffer"); var flushFlag = engine._finishFlushFlag; return engine._processChunk(buffer, flushFlag); } function Deflate(opts) { if (!(this instanceof Deflate)) return new Deflate(opts); Zlib.call(this, opts, binding.DEFLATE); } function Inflate(opts) { if (!(this instanceof Inflate)) return new Inflate(opts); Zlib.call(this, opts, binding.INFLATE); } function Gzip(opts) { if (!(this instanceof Gzip)) return new Gzip(opts); Zlib.call(this, opts, binding.GZIP); } function Gunzip(opts) { if (!(this instanceof Gunzip)) return new Gunzip(opts); Zlib.call(this, opts, binding.GUNZIP); } function DeflateRaw(opts) { if (!(this instanceof DeflateRaw)) return new DeflateRaw(opts); Zlib.call(this, opts, binding.DEFLATERAW); } function InflateRaw(opts) { if (!(this instanceof InflateRaw)) return new InflateRaw(opts); Zlib.call(this, opts, binding.INFLATERAW); } function Unzip(opts) { if (!(this instanceof Unzip)) return new Unzip(opts); Zlib.call(this, opts, binding.UNZIP); } function isValidFlushFlag(flag) { return ( flag === binding.Z_NO_FLUSH || flag === binding.Z_PARTIAL_FLUSH || flag === binding.Z_SYNC_FLUSH || flag === binding.Z_FULL_FLUSH || flag === binding.Z_FINISH || flag === binding.Z_BLOCK ); } function Zlib(opts, mode) { var _this = this; this._opts = opts = opts || {}; this._chunkSize = opts.chunkSize || exports.Z_DEFAULT_CHUNK; Transform.call(this, opts); if (opts.flush && !isValidFlushFlag(opts.flush)) { throw new Error("Invalid flush flag: " + opts.flush); } if (opts.finishFlush && !isValidFlushFlag(opts.finishFlush)) { throw new Error("Invalid flush flag: " + opts.finishFlush); } this._flushFlag = opts.flush || binding.Z_NO_FLUSH; this._finishFlushFlag = typeof opts.finishFlush !== "undefined" ? opts.finishFlush : binding.Z_FINISH; if (opts.chunkSize) { if (opts.chunkSize < exports.Z_MIN_CHUNK || opts.chunkSize > exports.Z_MAX_CHUNK) { throw new Error("Invalid chunk size: " + opts.chunkSize); } } if (opts.windowBits) { if (opts.windowBits < exports.Z_MIN_WINDOWBITS || opts.windowBits > exports.Z_MAX_WINDOWBITS) { throw new Error("Invalid windowBits: " + opts.windowBits); } } if (opts.level) { if (opts.level < exports.Z_MIN_LEVEL || opts.level > exports.Z_MAX_LEVEL) { throw new Error("Invalid compression level: " + opts.level); } } if (opts.memLevel) { if (opts.memLevel < exports.Z_MIN_MEMLEVEL || opts.memLevel > exports.Z_MAX_MEMLEVEL) { throw new Error("Invalid memLevel: " + opts.memLevel); } } if (opts.strategy) { if ( opts.strategy != exports.Z_FILTERED && opts.strategy != exports.Z_HUFFMAN_ONLY && opts.strategy != exports.Z_RLE && opts.strategy != exports.Z_FIXED && opts.strategy != exports.Z_DEFAULT_STRATEGY ) { throw new Error("Invalid strategy: " + opts.strategy); } } if (opts.dictionary) { if (!Buffer2.isBuffer(opts.dictionary)) { throw new Error("Invalid dictionary: it should be a Buffer instance"); } } this._handle = new binding.Zlib(mode); var self = this; this._hadError = false; this._handle.onerror = function (message, errno) { _close(self); self._hadError = true; var error = new Error(message); error.errno = errno; error.code = exports.codes[errno]; self.emit("error", error); }; var level = exports.Z_DEFAULT_COMPRESSION; if (typeof opts.level === "number") level = opts.level; var strategy = exports.Z_DEFAULT_STRATEGY; if (typeof opts.strategy === "number") strategy = opts.strategy; this._handle.init( opts.windowBits || exports.Z_DEFAULT_WINDOWBITS, level, opts.memLevel || exports.Z_DEFAULT_MEMLEVEL, strategy, opts.dictionary, ); this._buffer = Buffer2.allocUnsafe(this._chunkSize); this._offset = 0; this._level = level; this._strategy = strategy; this.once("end", this.close); Object.defineProperty(this, "_closed", { get: function () { return !_this._handle; }, configurable: true, enumerable: true, }); } util.inherits(Zlib, Transform); Zlib.prototype.params = function (level, strategy, callback) { if (level < exports.Z_MIN_LEVEL || level > exports.Z_MAX_LEVEL) { throw new RangeError("Invalid compression level: " + level); } if ( strategy != exports.Z_FILTERED && strategy != exports.Z_HUFFMAN_ONLY && strategy != exports.Z_RLE && strategy != exports.Z_FIXED && strategy != exports.Z_DEFAULT_STRATEGY ) { throw new TypeError("Invalid strategy: " + strategy); } if (this._level !== level || this._strategy !== strategy) { var self = this; this.flush(binding.Z_SYNC_FLUSH, function () { assert(self._handle, "zlib binding closed"); self._handle.params(level, strategy); if (!self._hadError) { self._level = level; self._strategy = strategy; if (callback) callback(); } }); } else { process.nextTick(callback); } }; Zlib.prototype.reset = function () { assert(this._handle, "zlib binding closed"); return this._handle.reset(); }; Zlib.prototype._flush = function (callback) { this._transform(Buffer2.alloc(0), "", callback); }; Zlib.prototype.flush = function (kind, callback) { var _this2 = this; var ws = this._writableState; if (typeof kind === "function" || (kind === void 0 && !callback)) { callback = kind; kind = binding.Z_FULL_FLUSH; } if (ws.ended) { if (callback) process.nextTick(callback); } else if (ws.ending) { if (callback) this.once("end", callback); } else if (ws.needDrain) { if (callback) { this.once("drain", function () { return _this2.flush(kind, callback); }); } } else { this._flushFlag = kind; this.write(Buffer2.alloc(0), "", callback); } }; Zlib.prototype.close = function (callback) { _close(this, callback); process.nextTick(emitCloseNT, this); }; function _close(engine, callback) { if (callback) process.nextTick(callback); if (!engine._handle) return; engine._handle.close(); engine._handle = null; } function emitCloseNT(self) { self.emit("close"); } Zlib.prototype._transform = function (chunk, encoding, cb) { var flushFlag; var ws = this._writableState; var ending = ws.ending || ws.ended; var last = ending && (!chunk || ws.length === chunk.length); if (chunk !== null && !Buffer2.isBuffer(chunk)) return cb(new Error("invalid input")); if (!this._handle) return cb(new Error("zlib binding closed")); if (last) flushFlag = this._finishFlushFlag; else { flushFlag = this._flushFlag; if (chunk.length >= ws.length) { this._flushFlag = this._opts.flush || binding.Z_NO_FLUSH; } } this._processChunk(chunk, flushFlag, cb); }; Zlib.prototype._processChunk = function (chunk, flushFlag, cb) { var availInBefore = chunk && chunk.length; var availOutBefore = this._chunkSize - this._offset; var inOff = 0; var self = this; var async = typeof cb === "function"; if (!async) { var buffers = []; var nread = 0; var error; this.on("error", function (er) { error = er; }); assert(this._handle, "zlib binding closed"); do { var res = this._handle.writeSync( flushFlag, chunk, inOff, availInBefore, this._buffer, this._offset, availOutBefore, ); } while (!this._hadError && callback(res[0], res[1])); if (this._hadError) { throw error; } if (nread >= kMaxLength) { _close(this); throw new RangeError(kRangeErrorMessage); } var buf = Buffer2.concat(buffers, nread); _close(this); return buf; } assert(this._handle, "zlib binding closed"); var req = this._handle.write(flushFlag, chunk, inOff, availInBefore, this._buffer, this._offset, availOutBefore); req.buffer = chunk; req.callback = callback; function callback(availInAfter, availOutAfter) { if (this) { this.buffer = null; this.callback = null; } if (self._hadError) return; var have = availOutBefore - availOutAfter; assert(have >= 0, "have should not go down"); if (have > 0) { var out = self._buffer.slice(self._offset, self._offset + have); self._offset += have; if (async) { self.push(out); } else { buffers.push(out); nread += out.length; } } if (availOutAfter === 0 || self._offset >= self._chunkSize) { availOutBefore = self._chunkSize; self._offset = 0; self._buffer = Buffer2.allocUnsafe(self._chunkSize); } if (availOutAfter === 0) { inOff += availInBefore - availInAfter; availInBefore = availInAfter; if (!async) return true; var newReq = self._handle.write( flushFlag, chunk, inOff, availInBefore, self._buffer, self._offset, self._chunkSize, ); newReq.callback = callback; newReq.buffer = chunk; return; } if (!async) return false; cb(); } }; util.inherits(Deflate, Zlib); util.inherits(Inflate, Zlib); util.inherits(Gzip, Zlib); util.inherits(Gunzip, Zlib); util.inherits(DeflateRaw, Zlib); util.inherits(InflateRaw, Zlib); util.inherits(Unzip, Zlib); }, }); // zlib.js export default require_lib();