//#region src/zlib/trees.mjs var Z_FIXED = 4; var Z_BINARY = 0; var Z_TEXT = 1; var Z_UNKNOWN = 2; function zero$1(buf) { let len = buf.length; while (--len >= 0) buf[len] = 0; } var STORED_BLOCK = 0; var STATIC_TREES = 1; var DYN_TREES = 2; var LENGTH_CODES = 29; var LITERALS = 256; var L_CODES = 286; var D_CODES = 30; var BL_CODES = 19; var HEAP_SIZE$1 = 573; 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 = new Uint8Array([ 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 = new Uint8Array([ 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 = new Uint8Array([ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 7 ]); var bl_order = new Uint8Array([ 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(288 * 2); zero$1(static_ltree); var static_dtree = new Array(D_CODES * 2); zero$1(static_dtree); var _dist_code = new Array(DIST_CODE_LEN); zero$1(_dist_code); var _length_code = new Array(256); zero$1(_length_code); var base_length = new Array(LENGTH_CODES); zero$1(base_length); var base_dist = new Array(D_CODES); zero$1(base_dist); var StaticTreeDesc = class { constructor(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; var TreeDesc = class { constructor(dyn_tree, stat_desc) { this.dyn_tree = dyn_tree; this.max_code = 0; this.stat_desc = stat_desc; } }; var d_code = (dist) => { return dist < 256 ? _dist_code[dist] : _dist_code[256 + (dist >>> 7)]; }; var put_short = (s, w) => { s.pending_buf[s.pending++] = w & 255; s.pending_buf[s.pending++] = w >>> 8 & 255; }; var 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; } }; var send_code = (s, c, tree) => { send_bits(s, tree[c * 2], tree[c * 2 + 1]); }; var bi_reverse = (code, len) => { let res = 0; do { res |= code & 1; code >>>= 1; res <<= 1; } while (--len > 0); return res >>> 1; }; var 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; } }; var gen_bitlen = (s, desc) => { const tree = desc.dyn_tree; const max_code = desc.max_code; const stree = desc.stat_desc.static_tree; const has_stree = desc.stat_desc.has_stree; const extra = desc.stat_desc.extra_bits; const base = desc.stat_desc.extra_base; const max_length = desc.stat_desc.max_length; let h; let n, m; let bits; let xbits; let f; let 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$1; 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--; } } }; var gen_codes = (tree, max_code, bl_count) => { const next_code = new Array(16); let code = 0; let bits; let n; for (bits = 1; bits <= MAX_BITS; bits++) { code = code + bl_count[bits - 1] << 1; next_code[bits] = code; } for (n = 0; n <= max_code; n++) { let len = tree[n * 2 + 1]; if (len === 0) continue; tree[n * 2] = bi_reverse(next_code[len]++, len); } }; var tr_static_init = () => { let n; let bits; let length; let code; let dist; const bl_count = new Array(16); 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, 287, 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, 257, 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); }; var init_block = (s) => { let 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.sym_next = s.matches = 0; }; var 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; }; var smaller = (tree, n, m, depth) => { const _n2 = n * 2; const _m2 = m * 2; return tree[_n2] < tree[_m2] || tree[_n2] === tree[_m2] && depth[n] <= depth[m]; }; var pqdownheap = (s, tree, k) => { const v = s.heap[k]; let 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; }; var compress_block = (s, ltree, dtree) => { let dist; let lc; let sx = 0; let code; let extra; if (s.sym_next !== 0) do { dist = s.pending_buf[s.sym_buf + sx++] & 255; dist += (s.pending_buf[s.sym_buf + sx++] & 255) << 8; lc = s.pending_buf[s.sym_buf + sx++]; 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 (sx < s.sym_next); send_code(s, END_BLOCK, ltree); }; var build_tree = (s, desc) => { const tree = desc.dyn_tree; const stree = desc.stat_desc.static_tree; const has_stree = desc.stat_desc.has_stree; const elems = desc.stat_desc.elems; let n, m; let max_code = -1; let node; s.heap_len = 0; s.heap_max = HEAP_SIZE$1; 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 { /*** pqremove ***/ 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); }; var scan_tree = (s, tree, max_code) => { let n; let prevlen = -1; let curlen; let nextlen = tree[1]; let count = 0; let max_count = 7; let 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; } } }; var send_tree = (s, tree, max_code) => { let n; let prevlen = -1; let curlen; let nextlen = tree[1]; let count = 0; let max_count = 7; let 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; } } }; var build_bl_tree = (s) => { let 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; }; var send_all_trees = (s, lcodes, dcodes, blcodes) => { let 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); }; var detect_data_type = (s) => { let block_mask = 4093624447; let n; for (n = 0; n <= 31; n++, block_mask >>>= 1) if (block_mask & 1 && s.dyn_ltree[n * 2] !== 0) return Z_BINARY; if (s.dyn_ltree[18] !== 0 || s.dyn_ltree[20] !== 0 || s.dyn_ltree[26] !== 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; var _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); }; var _tr_stored_block = (s, buf, stored_len, last) => { send_bits(s, (STORED_BLOCK << 1) + (last ? 1 : 0), 3); bi_windup(s); put_short(s, stored_len); put_short(s, ~stored_len); if (stored_len) s.pending_buf.set(s.window.subarray(buf, buf + stored_len), s.pending); s.pending += stored_len; }; var _tr_align = (s) => { send_bits(s, STATIC_TREES << 1, 3); send_code(s, END_BLOCK, static_ltree); bi_flush(s); }; var _tr_flush_block = (s, buf, stored_len, last) => { let opt_lenb, static_lenb; let 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); }; var _tr_tally = (s, dist, lc) => { s.pending_buf[s.sym_buf + s.sym_next++] = dist; s.pending_buf[s.sym_buf + s.sym_next++] = dist >> 8; s.pending_buf[s.sym_buf + s.sym_next++] = lc; 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.sym_next === s.sym_end; }; //#endregion //#region src/zlib/adler32.mjs var adler32 = (adler, buf, len, pos) => { let 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; }; //#endregion //#region src/zlib/crc32.mjs var makeTable = () => { let 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 = new Uint32Array(makeTable()); var crc32 = (crc, buf, len, pos) => { const t = crcTable; const end = pos + len; crc ^= -1; for (let i = pos; i < end; i++) crc = crc >>> 8 ^ t[(crc ^ buf[i]) & 255]; return crc ^ -1; }; //#endregion //#region src/zlib/messages.mjs var messages_default = { 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" }; //#endregion //#region src/zlib/constants.mjs var Z_NO_FLUSH = 0; var Z_PARTIAL_FLUSH = 1; var Z_SYNC_FLUSH = 2; var Z_FULL_FLUSH = 3; 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_ERRNO = -1; var Z_STREAM_ERROR = -2; var Z_DATA_ERROR = -3; var Z_MEM_ERROR = -4; var Z_BUF_ERROR = -5; //#endregion //#region src/zlib/deflate.mjs var MAX_MEM_LEVEL = 9; var MAX_WBITS = 15; var DEF_MEM_LEVEL = 8; var HEAP_SIZE = 573; var MIN_MATCH = 3; var MAX_MATCH = 258; var MIN_LOOKAHEAD = 262; var PRESET_DICT = 32; var INIT_STATE = 42; var GZIP_STATE = 57; 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; var err = (strm, errorCode) => { strm.msg = messages_default[errorCode]; return errorCode; }; var rank = (f) => { return f * 2 - (f > 4 ? 9 : 0); }; var zero = (buf) => { let len = buf.length; while (--len >= 0) buf[len] = 0; }; var slide_hash = (s) => { let n, m; let p; let wsize = s.w_size; n = s.hash_size; p = n; do { m = s.head[--p]; s.head[p] = m >= wsize ? m - wsize : 0; } while (--n); n = wsize; p = n; do { m = s.prev[--p]; s.prev[p] = m >= wsize ? m - wsize : 0; } while (--n); }; var HASH = (s, prev, data) => (prev << s.hash_shift ^ data) & s.hash_mask; var INSERT_STRING = (s, str) => { let h; if (s.legacy_hash) h = s.ins_h = HASH(s, s.ins_h, s.window[str + MIN_MATCH - 1]); else { const w = s.window; const value = w[str] | w[str + 1] << 8 | w[str + 2] << 16 | w[str + 3] << 24; h = s.ins_h = Math.imul(value, 66521) + 66521 >>> 16 & s.hash_mask; } const hash_head = s.prev[str & s.w_mask] = s.head[h]; s.head[h] = str; return hash_head; }; var flush_pending = (strm) => { const s = strm.state; let len = s.pending; if (len > strm.avail_out) len = strm.avail_out; if (len === 0) return; strm.output.set(s.pending_buf.subarray(s.pending_out, 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; }; var flush_block_only = (s, last) => { _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); }; var put_byte = (s, b) => { s.pending_buf[s.pending++] = b; }; var putShortMSB = (s, b) => { s.pending_buf[s.pending++] = b >>> 8 & 255; s.pending_buf[s.pending++] = b & 255; }; var read_buf = (strm, buf, start, size) => { let len = strm.avail_in; if (len > size) len = size; if (len === 0) return 0; strm.avail_in -= len; buf.set(strm.input.subarray(strm.next_in, 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; }; var longest_match = (s, cur_match) => { let chain_length = s.max_chain_length; let scan = s.strstart; let match; let len; let best_len = s.prev_length; let nice_match = s.nice_match; const limit = s.strstart > s.w_size - MIN_LOOKAHEAD ? s.strstart - (s.w_size - MIN_LOOKAHEAD) : 0; const _win = s.window; const wmask = s.w_mask; const prev = s.prev; const strend = s.strstart + MAX_MATCH; let scan_end1 = _win[scan + best_len - 1]; let 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; }; var fill_window = (s) => { const _w_size = s.w_size; let n, more, str; do { more = s.window_size - s.lookahead - s.strstart; if (s.strstart >= _w_size + (_w_size - MIN_LOOKAHEAD)) { s.window.set(s.window.subarray(_w_size, _w_size + _w_size - more), 0); s.match_start -= _w_size; s.strstart -= _w_size; s.block_start -= _w_size; if (s.insert > s.strstart) s.insert = s.strstart; slide_hash(s); 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.legacy_hash) { if (s.lookahead + s.insert > MIN_MATCH) { str = s.strstart - s.insert; while (s.insert) { INSERT_STRING(s, str); str++; s.insert--; if (s.lookahead + s.insert <= MIN_MATCH) break; } } } else if (s.lookahead + s.insert >= MIN_MATCH) { str = s.strstart - s.insert; s.ins_h = s.window[str]; s.ins_h = HASH(s, s.ins_h, s.window[str + 1]); while (s.insert) { INSERT_STRING(s, str); str++; s.insert--; if (s.lookahead + s.insert < MIN_MATCH) break; } } } while (s.lookahead < MIN_LOOKAHEAD && s.strm.avail_in !== 0); }; var deflate_stored = (s, flush) => { let min_block = s.pending_buf_size - 5 > s.w_size ? s.w_size : s.pending_buf_size - 5; let len, left, have, last = 0; let used = s.strm.avail_in; do { len = 65535; have = s.bi_valid + 42 >> 3; if (s.strm.avail_out < have) break; have = s.strm.avail_out - have; left = s.strstart - s.block_start; if (len > left + s.strm.avail_in) len = left + s.strm.avail_in; if (len > have) len = have; if (len < min_block && (len === 0 && flush !== 4 || flush === 0 || len !== left + s.strm.avail_in)) break; last = flush === 4 && len === left + s.strm.avail_in ? 1 : 0; _tr_stored_block(s, 0, 0, last); s.pending_buf[s.pending - 4] = len; s.pending_buf[s.pending - 3] = len >> 8; s.pending_buf[s.pending - 2] = ~len; s.pending_buf[s.pending - 1] = ~len >> 8; flush_pending(s.strm); if (left) { if (left > len) left = len; s.strm.output.set(s.window.subarray(s.block_start, s.block_start + left), s.strm.next_out); s.strm.next_out += left; s.strm.avail_out -= left; s.strm.total_out += left; s.block_start += left; len -= left; } if (len) { read_buf(s.strm, s.strm.output, s.strm.next_out, len); s.strm.next_out += len; s.strm.avail_out -= len; s.strm.total_out += len; } } while (last === 0); used -= s.strm.avail_in; if (used) { if (used >= s.w_size) { s.matches = 2; s.window.set(s.strm.input.subarray(s.strm.next_in - s.w_size, s.strm.next_in), 0); s.strstart = s.w_size; s.insert = s.strstart; } else { if (s.window_size - s.strstart <= used) { s.strstart -= s.w_size; s.window.set(s.window.subarray(s.w_size, s.w_size + s.strstart), 0); if (s.matches < 2) s.matches++; if (s.insert > s.strstart) s.insert = s.strstart; } s.window.set(s.strm.input.subarray(s.strm.next_in - used, s.strm.next_in), s.strstart); s.strstart += used; s.insert += used > s.w_size - s.insert ? s.w_size - s.insert : used; } s.block_start = s.strstart; } if (s.high_water < s.strstart) s.high_water = s.strstart; if (last) return BS_FINISH_DONE; if (flush !== 0 && flush !== 4 && s.strm.avail_in === 0 && s.strstart === s.block_start) return BS_BLOCK_DONE; have = s.window_size - s.strstart; if (s.strm.avail_in > have && s.block_start >= s.w_size) { s.block_start -= s.w_size; s.strstart -= s.w_size; s.window.set(s.window.subarray(s.w_size, s.w_size + s.strstart), 0); if (s.matches < 2) s.matches++; have += s.w_size; if (s.insert > s.strstart) s.insert = s.strstart; } if (have > s.strm.avail_in) have = s.strm.avail_in; if (have) { read_buf(s.strm, s.window, s.strstart, have); s.strstart += have; s.insert += have > s.w_size - s.insert ? s.w_size - s.insert : have; } if (s.high_water < s.strstart) s.high_water = s.strstart; have = s.bi_valid + 42 >> 3; have = s.pending_buf_size - have > 65535 ? 65535 : s.pending_buf_size - have; min_block = have > s.w_size ? s.w_size : have; left = s.strstart - s.block_start; if (left >= min_block || (left || flush === 4) && flush !== 0 && s.strm.avail_in === 0 && left <= have) { len = left > have ? have : left; last = flush === 4 && s.strm.avail_in === 0 && len === left ? 1 : 0; _tr_stored_block(s, s.block_start, len, last); s.block_start += len; flush_pending(s.strm); } return last ? BS_FINISH_STARTED : BS_NEED_MORE; }; var deflate_fast = (s, flush) => { let hash_head; let bflush; for (;;) { if (s.lookahead < MIN_LOOKAHEAD) { fill_window(s); if (s.lookahead < MIN_LOOKAHEAD && flush === 0) return BS_NEED_MORE; if (s.lookahead === 0) break; } hash_head = 0; if (s.lookahead >= MIN_MATCH) hash_head = INSERT_STRING(s, 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) { /*** _tr_tally_dist(s, s.strstart - s.match_start, s.match_length - MIN_MATCH, bflush); ***/ bflush = _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++; hash_head = INSERT_STRING(s, s.strstart); } while (--s.match_length !== 0); s.strstart++; } else { s.strstart += s.match_length; s.match_length = 0; if (s.legacy_hash) { s.ins_h = s.window[s.strstart]; s.ins_h = HASH(s, s.ins_h, s.window[s.strstart + 1]); } } } else { /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/ bflush = _tr_tally(s, 0, s.window[s.strstart]); s.lookahead--; s.strstart++; } if (bflush) { /*** FLUSH_BLOCK(s, 0); ***/ 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 === 4) { /*** FLUSH_BLOCK(s, 1); ***/ flush_block_only(s, true); if (s.strm.avail_out === 0) return BS_FINISH_STARTED; return BS_FINISH_DONE; } if (s.sym_next) { /*** FLUSH_BLOCK(s, 0); ***/ flush_block_only(s, false); if (s.strm.avail_out === 0) return BS_NEED_MORE; } return BS_BLOCK_DONE; }; var deflate_slow = (s, flush) => { let hash_head; let bflush; let max_insert; for (;;) { if (s.lookahead < MIN_LOOKAHEAD) { fill_window(s); if (s.lookahead < MIN_LOOKAHEAD && flush === 0) return BS_NEED_MORE; if (s.lookahead === 0) break; } hash_head = 0; if (s.lookahead >= MIN_MATCH) hash_head = INSERT_STRING(s, 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 === 1 || 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; /***_tr_tally_dist(s, s.strstart - 1 - s.prev_match, s.prev_length - MIN_MATCH, bflush);***/ bflush = _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) hash_head = INSERT_STRING(s, s.strstart); while (--s.prev_length !== 0); s.match_available = 0; s.match_length = MIN_MATCH - 1; s.strstart++; if (bflush) { /*** FLUSH_BLOCK(s, 0); ***/ flush_block_only(s, false); if (s.strm.avail_out === 0) return BS_NEED_MORE; } } else if (s.match_available) { /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/ bflush = _tr_tally(s, 0, s.window[s.strstart - 1]); if (bflush) /*** FLUSH_BLOCK_ONLY(s, 0) ***/ 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) { /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/ bflush = _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 === 4) { /*** FLUSH_BLOCK(s, 1); ***/ flush_block_only(s, true); if (s.strm.avail_out === 0) return BS_FINISH_STARTED; return BS_FINISH_DONE; } if (s.sym_next) { /*** FLUSH_BLOCK(s, 0); ***/ flush_block_only(s, false); if (s.strm.avail_out === 0) return BS_NEED_MORE; } return BS_BLOCK_DONE; }; var deflate_rle = (s, flush) => { let bflush; let prev; let scan, strend; const _win = s.window; for (;;) { if (s.lookahead <= MAX_MATCH) { fill_window(s); if (s.lookahead <= MAX_MATCH && flush === 0) 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) { /*** _tr_tally_dist(s, 1, s.match_length - MIN_MATCH, bflush); ***/ bflush = _tr_tally(s, 1, s.match_length - MIN_MATCH); s.lookahead -= s.match_length; s.strstart += s.match_length; s.match_length = 0; } else { /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/ bflush = _tr_tally(s, 0, s.window[s.strstart]); s.lookahead--; s.strstart++; } if (bflush) { /*** FLUSH_BLOCK(s, 0); ***/ flush_block_only(s, false); if (s.strm.avail_out === 0) return BS_NEED_MORE; } } s.insert = 0; if (flush === 4) { /*** FLUSH_BLOCK(s, 1); ***/ flush_block_only(s, true); if (s.strm.avail_out === 0) return BS_FINISH_STARTED; return BS_FINISH_DONE; } if (s.sym_next) { /*** FLUSH_BLOCK(s, 0); ***/ flush_block_only(s, false); if (s.strm.avail_out === 0) return BS_NEED_MORE; } return BS_BLOCK_DONE; }; var deflate_huff = (s, flush) => { let bflush; for (;;) { if (s.lookahead === 0) { fill_window(s); if (s.lookahead === 0) { if (flush === 0) return BS_NEED_MORE; break; } } s.match_length = 0; /*** _tr_tally_lit(s, s.window[s.strstart], bflush); ***/ bflush = _tr_tally(s, 0, s.window[s.strstart]); s.lookahead--; s.strstart++; if (bflush) { /*** FLUSH_BLOCK(s, 0); ***/ flush_block_only(s, false); if (s.strm.avail_out === 0) return BS_NEED_MORE; } } s.insert = 0; if (flush === 4) { /*** FLUSH_BLOCK(s, 1); ***/ flush_block_only(s, true); if (s.strm.avail_out === 0) return BS_FINISH_STARTED; return BS_FINISH_DONE; } if (s.sym_next) { /*** FLUSH_BLOCK(s, 0); ***/ flush_block_only(s, false); if (s.strm.avail_out === 0) return BS_NEED_MORE; } return BS_BLOCK_DONE; }; var Config = class { constructor(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 = [ 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) ]; var lm_init = (s) => { s.window_size = 2 * s.w_size; /*** CLEAR_HASH(s); ***/ 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; }; var DeflateState = class { constructor() { 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 = 8; 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.legacy_hash = 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 Uint16Array(HEAP_SIZE * 2); this.dyn_dtree = /* @__PURE__ */ new Uint16Array(122); this.bl_tree = /* @__PURE__ */ new Uint16Array(78); 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 = /* @__PURE__ */ new Uint16Array(16); this.heap = /* @__PURE__ */ new Uint16Array(573); zero(this.heap); this.heap_len = 0; this.heap_max = 0; this.depth = /* @__PURE__ */ new Uint16Array(573); zero(this.depth); this.sym_buf = 0; this.lit_bufsize = 0; this.sym_next = 0; this.sym_end = 0; this.opt_len = 0; this.static_len = 0; this.matches = 0; this.insert = 0; this.bi_buf = 0; this.bi_valid = 0; } }; var deflateStateCheck = (strm) => { if (!strm) return 1; const s = strm.state; if (!s || s.strm !== strm || s.status !== INIT_STATE && s.status !== GZIP_STATE && s.status !== EXTRA_STATE && s.status !== NAME_STATE && s.status !== COMMENT_STATE && s.status !== HCRC_STATE && s.status !== BUSY_STATE && s.status !== FINISH_STATE) return 1; return 0; }; var deflateResetKeep = (strm) => { if (deflateStateCheck(strm)) return err(strm, -2); strm.total_in = strm.total_out = 0; strm.data_type = 2; const s = strm.state; s.pending = 0; s.pending_out = 0; if (s.wrap < 0) s.wrap = -s.wrap; s.status = s.wrap === 2 ? GZIP_STATE : s.wrap ? INIT_STATE : BUSY_STATE; strm.adler = s.wrap === 2 ? 0 : 1; s.last_flush = -2; _tr_init(s); return 0; }; var deflateReset = (strm) => { const ret = deflateResetKeep(strm); if (ret === 0) lm_init(strm.state); return ret; }; var deflateSetHeader = (strm, head) => { if (deflateStateCheck(strm) || strm.state.wrap !== 2) return -2; strm.state.gzhead = head; return 0; }; var deflateInit2 = (strm, level, method, windowBits, memLevel, strategy, legacyHash) => { if (!strm) return -2; let wrap = 1; if (level === -1) 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 !== 8 || windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || strategy < 0 || strategy > 4 || windowBits === 8 && wrap !== 1) return err(strm, -2); if (windowBits === 8) windowBits = 9; const s = new DeflateState(); strm.state = s; s.strm = strm; s.status = INIT_STATE; 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.legacy_hash = legacyHash ? 1 : 0; s.hash_bits = memLevel + 7; if (!s.legacy_hash && s.hash_bits < 15) s.hash_bits = 15; 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 Uint8Array(s.w_size * 2); s.head = new Uint16Array(s.hash_size); s.prev = new Uint16Array(s.w_size); s.lit_bufsize = 1 << memLevel + 6; s.pending_buf_size = s.lit_bufsize * 4; s.pending_buf = new Uint8Array(s.pending_buf_size); s.sym_buf = s.lit_bufsize; s.sym_end = (s.lit_bufsize - 1) * 3; s.level = level; s.strategy = strategy; s.method = method; return deflateReset(strm); }; var deflateInit = (strm, level) => { return deflateInit2(strm, level, 8, MAX_WBITS, DEF_MEM_LEVEL, 0); }; var deflate$1 = (strm, flush) => { if (deflateStateCheck(strm) || flush > 5 || flush < 0) return strm ? err(strm, -2) : -2; const s = strm.state; if (!strm.output || strm.avail_in !== 0 && !strm.input || s.status === FINISH_STATE && flush !== 4) return err(strm, strm.avail_out === 0 ? -5 : -2); const old_flush = s.last_flush; s.last_flush = flush; if (s.pending !== 0) { flush_pending(strm); if (strm.avail_out === 0) { s.last_flush = -1; return 0; } } else if (strm.avail_in === 0 && rank(flush) <= rank(old_flush) && flush !== 4) return err(strm, -5); if (s.status === FINISH_STATE && strm.avail_in !== 0) return err(strm, -5); if (s.status === INIT_STATE && s.wrap === 0) s.status = BUSY_STATE; if (s.status === INIT_STATE) { let header = 8 + (s.w_bits - 8 << 4) << 8; let level_flags = -1; if (s.strategy >= 2 || 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; putShortMSB(s, header); if (s.strstart !== 0) { putShortMSB(s, strm.adler >>> 16); putShortMSB(s, strm.adler & 65535); } strm.adler = 1; s.status = BUSY_STATE; flush_pending(strm); if (s.pending !== 0) { s.last_flush = -1; return 0; } } if (s.status === GZIP_STATE) { 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 >= 2 || s.level < 2 ? 4 : 0); put_byte(s, OS_CODE); s.status = BUSY_STATE; flush_pending(strm); if (s.pending !== 0) { s.last_flush = -1; return 0; } } 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 >= 2 || 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; } } if (s.status === EXTRA_STATE) { if (s.gzhead.extra) { let beg = s.pending; let left = (s.gzhead.extra.length & 65535) - s.gzindex; while (s.pending + left > s.pending_buf_size) { let copy = s.pending_buf_size - s.pending; s.pending_buf.set(s.gzhead.extra.subarray(s.gzindex, s.gzindex + copy), s.pending); 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); s.gzindex += copy; flush_pending(strm); if (s.pending !== 0) { s.last_flush = -1; return 0; } beg = 0; left -= copy; } let gzhead_extra = new Uint8Array(s.gzhead.extra); s.pending_buf.set(gzhead_extra.subarray(s.gzindex, s.gzindex + left), s.pending); s.pending += left; if (s.gzhead.hcrc && s.pending > beg) strm.adler = crc32(strm.adler, s.pending_buf, s.pending - beg, beg); s.gzindex = 0; } s.status = NAME_STATE; } if (s.status === NAME_STATE) { if (s.gzhead.name) { let beg = s.pending; let val; 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); if (s.pending !== 0) { s.last_flush = -1; return 0; } beg = 0; } 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); s.gzindex = 0; } s.status = COMMENT_STATE; } if (s.status === COMMENT_STATE) { if (s.gzhead.comment) { let beg = s.pending; let val; 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); if (s.pending !== 0) { s.last_flush = -1; return 0; } beg = 0; } 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); } 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 !== 0) { s.last_flush = -1; return 0; } } put_byte(s, strm.adler & 255); put_byte(s, strm.adler >> 8 & 255); strm.adler = 0; } s.status = BUSY_STATE; flush_pending(strm); if (s.pending !== 0) { s.last_flush = -1; return 0; } } if (strm.avail_in !== 0 || s.lookahead !== 0 || flush !== 0 && s.status !== FINISH_STATE) { let bstate = s.level === 0 ? deflate_stored(s, flush) : s.strategy === 2 ? deflate_huff(s, flush) : s.strategy === 3 ? 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 0; } if (bstate === BS_BLOCK_DONE) { if (flush === 1) _tr_align(s); else if (flush !== 5) { _tr_stored_block(s, 0, 0, false); if (flush === 3) { /*** CLEAR_HASH(s); ***/ 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 0; } } } if (flush !== 4) return 0; if (s.wrap <= 0) return 1; 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 ? 0 : 1; }; var deflateEnd = (strm) => { if (deflateStateCheck(strm)) return -2; const status = strm.state.status; strm.state = null; return status === BUSY_STATE ? err(strm, -3) : 0; }; var deflateSetDictionary = (strm, dictionary) => { let dictLength = dictionary.length; if (deflateStateCheck(strm)) return -2; const s = strm.state; const wrap = s.wrap; if (wrap === 2 || wrap === 1 && s.status !== INIT_STATE || s.lookahead) return -2; if (wrap === 1) strm.adler = adler32(strm.adler, dictionary, dictLength, 0); s.wrap = 0; if (dictLength >= s.w_size) { if (wrap === 0) { /*** CLEAR_HASH(s); ***/ zero(s.head); s.strstart = 0; s.block_start = 0; s.insert = 0; } let tmpDict = new Uint8Array(s.w_size); tmpDict.set(dictionary.subarray(dictLength - s.w_size, dictLength), 0); dictionary = tmpDict; dictLength = s.w_size; } const avail = strm.avail_in; const next = strm.next_in; const input = strm.input; strm.avail_in = dictLength; strm.next_in = 0; strm.input = dictionary; fill_window(s); while (s.lookahead >= MIN_MATCH) { let str = s.strstart; let n = s.lookahead - (MIN_MATCH - 1); do { INSERT_STRING(s, 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 0; }; //#endregion //#region src/zlib/inffast.mjs var BAD$1 = 16209; var TYPE$1 = 16191; function inflate_fast(strm, start) { let _in; let last; let _out; let beg; let end; let dmax; let wsize; let whave; let wnext; let s_window; let hold; let bits; let lcode; let dcode; let lmask; let dmask; let here; let op; let len; let dist; let from; let from_source; let input, output; const 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$1; 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$1; 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$1; 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$1; break top; } else { strm.msg = "invalid literal/length code"; state.mode = BAD$1; 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; } //#endregion //#region src/zlib/inftrees.mjs var MAXBITS = 15; var ENOUGH_LENS$1 = 852; var ENOUGH_DISTS$1 = 592; var CODES$1 = 0; var LENS$1 = 1; var DISTS$1 = 2; var lbase = new Uint16Array([ 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 = new Uint8Array([ 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, 199, 75 ]); var dbase = new Uint16Array([ 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 = new Uint8Array([ 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 ]); var inflate_table = (type, lens, lens_index, codes, table, table_index, work, opts) => { const bits = opts.bits; let len = 0; let sym = 0; let min = 0, max = 0; let root = 0; let curr = 0; let drop = 0; let left = 0; let used = 0; let huff = 0; let incr; let fill; let low; let mask; let next; let base = null; let match; const count = /* @__PURE__ */ new Uint16Array(16); const offs = /* @__PURE__ */ new Uint16Array(16); let extra = null; let 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++] = 20971520; table[table_index++] = 20971520; 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$1 || 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$1) { base = extra = work; match = 20; } else if (type === LENS$1) { base = lbase; extra = lext; match = 257; } else { base = dbase; extra = dext; match = 0; } huff = 0; sym = 0; len = min; next = table_index; curr = root; drop = 0; low = -1; used = 1 << root; mask = used - 1; if (type === LENS$1 && used > ENOUGH_LENS$1 || type === DISTS$1 && used > ENOUGH_DISTS$1) return 1; for (;;) { here_bits = len - drop; if (work[sym] + 1 < match) { here_op = 0; here_val = work[sym]; } else if (work[sym] >= match) { here_op = extra[work[sym] - match]; here_val = base[work[sym] - match]; } else { here_op = 96; 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$1 && used > ENOUGH_LENS$1 || type === DISTS$1 && used > ENOUGH_DISTS$1) return 1; low = huff & mask; table[low] = root << 24 | curr << 16 | next - table_index | 0; } } if (huff !== 0) table[next + huff] = len - drop << 24 | 4194304; opts.bits = root; return 0; }; //#endregion //#region src/zlib/inflate.mjs var CODES = 0; var LENS = 1; var DISTS = 2; var HEAD = 16180; var FLAGS = 16181; var TIME = 16182; var OS = 16183; var EXLEN = 16184; var EXTRA = 16185; var NAME = 16186; var COMMENT = 16187; var HCRC = 16188; var DICTID = 16189; var DICT = 16190; var TYPE = 16191; var TYPEDO = 16192; var STORED = 16193; var COPY_ = 16194; var COPY = 16195; var TABLE = 16196; var LENLENS = 16197; var CODELENS = 16198; var LEN_ = 16199; var LEN = 16200; var LENEXT = 16201; var DIST = 16202; var DISTEXT = 16203; var MATCH = 16204; var LIT = 16205; var CHECK = 16206; var LENGTH = 16207; var DONE = 16208; var BAD = 16209; var MEM = 16210; var SYNC = 16211; var ENOUGH_LENS = 852; var ENOUGH_DISTS = 592; var DEF_WBITS = 15; var zswap32 = (q) => { return (q >>> 24 & 255) + (q >>> 8 & 65280) + ((q & 65280) << 8) + ((q & 255) << 24); }; var InflateState = class { constructor() { this.strm = null; 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 = /* @__PURE__ */ new Uint16Array(320); this.work = /* @__PURE__ */ new Uint16Array(288); this.lendyn = null; this.distdyn = null; this.sane = 0; this.back = 0; this.was = 0; } }; var inflateStateCheck = (strm) => { if (!strm) return 1; const state = strm.state; if (!state || state.strm !== strm || state.mode < HEAD || state.mode > SYNC) return 1; return 0; }; var inflateResetKeep = (strm) => { if (inflateStateCheck(strm)) return -2; const 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.flags = -1; state.dmax = 32768; state.head = null; state.hold = 0; state.bits = 0; state.lencode = state.lendyn = new Int32Array(ENOUGH_LENS); state.distcode = state.distdyn = new Int32Array(ENOUGH_DISTS); state.sane = 1; state.back = -1; return 0; }; var inflateReset = (strm) => { if (inflateStateCheck(strm)) return -2; const state = strm.state; state.wsize = 0; state.whave = 0; state.wnext = 0; return inflateResetKeep(strm); }; var inflateReset2 = (strm, windowBits) => { let wrap; if (inflateStateCheck(strm)) return -2; const state = strm.state; if (windowBits < 0) { wrap = 0; windowBits = -windowBits; } else { wrap = (windowBits >> 4) + 5; if (windowBits < 48) windowBits &= 15; } if (windowBits && (windowBits < 8 || windowBits > 15)) return -2; if (state.window !== null && state.wbits !== windowBits) state.window = null; state.wrap = wrap; state.wbits = windowBits; return inflateReset(strm); }; var inflateInit2 = (strm, windowBits) => { if (!strm) return -2; const state = new InflateState(); strm.state = state; state.strm = strm; state.window = null; state.mode = HEAD; const ret = inflateReset2(strm, windowBits); if (ret !== 0) strm.state = null; return ret; }; var inflateInit = (strm) => { return inflateInit2(strm, DEF_WBITS); }; var virgin = true; var lenfix, distfix; var fixedtables = (state) => { if (virgin) { lenfix = /* @__PURE__ */ new Int32Array(512); distfix = /* @__PURE__ */ new Int32Array(32); let 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; }; var updatewindow = (strm, src, end, copy) => { let dist; const state = strm.state; if (state.window === null) state.window = new Uint8Array(1 << state.wbits); if (state.wsize === 0) { state.wsize = 1 << state.wbits; state.wnext = 0; state.whave = 0; } if (copy >= state.wsize) { state.window.set(src.subarray(end - state.wsize, end), 0); state.wnext = 0; state.whave = state.wsize; } else { dist = state.wsize - state.wnext; if (dist > copy) dist = copy; state.window.set(src.subarray(end - copy, end - copy + dist), state.wnext); copy -= dist; if (copy) { state.window.set(src.subarray(end - copy, end), 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; }; var inflate$1 = (strm, flush) => { let state; let input, output; let next; let put; let have, left; let hold; let bits; let _in, _out; let copy; let from; let from_source; let here = 0; let here_bits, here_op, here_val; let last_bits, last_op, last_val; let len; let ret; const hbuf = /* @__PURE__ */ new Uint8Array(4); let opts; let n; const order = new Uint8Array([ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ]); if (inflateStateCheck(strm) || !strm.output || !strm.input && strm.avail_in !== 0) return -2; 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 = 0; 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) { if (state.wbits === 0) state.wbits = 15; 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; } 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) !== 8) { strm.msg = "unknown compression method"; state.mode = BAD; break; } hold >>>= 4; bits -= 4; len = (hold & 15) + 8; if (state.wbits === 0) state.wbits = len; if (len > 15 || len > state.wbits) { strm.msg = "invalid window size"; state.mode = BAD; break; } state.dmax = 1 << state.wbits; state.flags = 0; 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) !== 8) { 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 && state.wrap & 4) { 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 && state.wrap & 4) { 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 && state.wrap & 4) { 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 && state.wrap & 4) { 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 Uint8Array(state.head.extra_len); state.head.extra.set(input.subarray(next, next + copy), len); } if (state.flags & 512 && state.wrap & 4) 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.wrap & 4) 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.wrap & 4) 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 (state.wrap & 4 && 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 2; } strm.adler = state.check = 1; state.mode = TYPE; case TYPE: if (flush === 5 || flush === 6) 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 === 6) { 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 === 6) 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; output.set(input.subarray(next, 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 === 6) 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 (state.wrap & 4 && _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.wrap & 4 && (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 (state.wrap & 4 && hold !== (state.total & 4294967295)) { strm.msg = "incorrect length check"; state.mode = BAD; break; } hold = 0; bits = 0; } state.mode = DONE; case DONE: ret = 1; break inf_leave; case BAD: ret = -3; break inf_leave; case MEM: return -4; case SYNC: default: return -2; } 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 !== 4)) { if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) { state.mode = MEM; return -4; } } _in -= strm.avail_in; _out -= strm.avail_out; strm.total_in += _in; strm.total_out += _out; state.total += _out; if (state.wrap & 4 && _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 === 4) && ret === 0) ret = -5; return ret; }; var inflateEnd = (strm) => { if (inflateStateCheck(strm)) return -2; let state = strm.state; if (state.window) state.window = null; strm.state = null; return 0; }; var inflateGetHeader = (strm, head) => { if (inflateStateCheck(strm)) return -2; const state = strm.state; if ((state.wrap & 2) === 0) return -2; state.head = head; head.done = false; return 0; }; var inflateSetDictionary = (strm, dictionary) => { const dictLength = dictionary.length; let state; let dictid; let ret; if (inflateStateCheck(strm)) return -2; state = strm.state; if (state.wrap !== 0 && state.mode !== DICT) return -2; if (state.mode === DICT) { dictid = 1; dictid = adler32(dictid, dictionary, dictLength, 0); if (dictid !== state.check) return -3; } ret = updatewindow(strm, dictionary, dictLength, dictLength); if (ret) { state.mode = MEM; return -4; } state.havedict = 1; return 0; }; //#endregion //#region src/zlib/zstream.mjs var ZStream = class { constructor() { 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; } }; //#endregion //#region src/zlib/gzheader.mjs var GZheader = class { constructor() { this.text = 0; this.time = 0; this.xflags = 0; this.os = 0; this.extra = null; this.extra_len = 0; this.name = ""; this.comment = ""; this.hcrc = 0; this.done = false; } }; //#endregion //#region src/utils.ts var flattenChunks = (chunks) => { const result = new Uint8Array(chunks.reduce((len, chunk) => len + chunk.length, 0)); let pos = 0; for (const chunk of chunks) { result.set(chunk, pos); pos += chunk.length; } return result; }; //#endregion //#region src/deflate.ts var toString$1 = Object.prototype.toString; var defaultOptions$1 = { level: -1, chunkSize: 16384, windowBits: 15, memLevel: 8, strategy: 0, raw: false, gzip: false, legacyHash: false, dictionary: /* @__PURE__ */ new Uint8Array(0) }; /** * Generic JS-style wrapper for zlib calls. If you don't need * streaming behaviour, use the simpler functions {@link deflate}, * {@link deflateRaw} and {@link gzip}. */ var Deflate = class { options; /** * Error code after deflate finishes. {@link Z_OK} on success. * You will not need it in real life, because deflate errors * are possible only on wrong options or bad custom `onData` / `onEnd` * handlers. */ err; /** Error message, if {@link Deflate.err} is not {@link Z_OK}. */ msg; ended; started; /** * Chunks of output data, if {@link Deflate.onData} not overridden. * @internal */ chunks; strm; /** * Compressed result, generated by default {@link Deflate.onData} * and {@link Deflate.onEnd} handlers. Filled after you push last chunk * (call {@link Deflate.push} with {@link Z_FINISH} / `true` param). */ result; /** * Creates a new deflator instance with the specified params. Throws an * exception on bad params. See {@link DeflateOptions} for the list of * supported options. * * @example * ```javascript * import { Deflate } from 'pako' * * const chunk1 = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9]) * const chunk2 = new Uint8Array([10, 11, 12, 13, 14, 15, 16, 17, 18, 19]) * * const deflate = new Deflate({ level: 3 }) * * deflate.push(chunk1, false) * deflate.push(chunk2, true) // true -> last chunk * * if (deflate.err) throw new Error(deflate.err) * * console.log(deflate.result) * ``` */ constructor(options = {}) { this.options = Object.assign({}, defaultOptions$1, options); const opt = this.options; if (opt.raw && opt.windowBits > 0) opt.windowBits = -opt.windowBits; else if (opt.gzip && opt.windowBits > 0 && opt.windowBits < 16) opt.windowBits += 16; this.err = 0; this.msg = ""; this.ended = false; this.started = false; this.chunks = []; this.result = /* @__PURE__ */ new Uint8Array(0); this.strm = new ZStream(); this.strm.avail_out = 0; let status = deflateInit2(this.strm, opt.level, 8, opt.windowBits, opt.memLevel, opt.strategy, opt.legacyHash); if (status !== 0) throw new Error(messages_default[status]); if (toString$1.call(opt.dictionary) === "[object ArrayBuffer]") opt.dictionary = new Uint8Array(opt.dictionary); const dictionary = opt.dictionary; if (dictionary.length) { if (opt.gzip) throw new Error("dictionary is not supported with gzip"); status = deflateSetDictionary(this.strm, dictionary); if (status !== 0) throw new Error(messages_default[status]); } } /** * Sends input data to the deflate pipe, generating {@link Deflate.onData} calls * with new compressed chunks. Returns `true` on success. The last data block must * have `flush_mode` {@link Z_FINISH} (or `true`). That will flush the internal * pending buffers and call {@link Deflate.onEnd}. * * On failure, calls {@link Deflate.onEnd} with the error code and returns false. * * @param data input data. Strings will be converted to utf8 byte sequence. * @param flush_mode 0..6 for corresponding {@link Z_NO_FLUSH}..{@link Z_TREES} modes. * See constants. Skipped or `false` means {@link Z_NO_FLUSH}, `true` means {@link Z_FINISH}. * * @example * ```javascript * push(chunk, false) // push one of data chunks * ... * push(chunk, true) // push last chunk * ``` */ push(data, flush_mode = false) { const strm = this.strm; const chunkSize = this.options.chunkSize; let status; let _flush_mode; if (this.ended) return false; if (typeof flush_mode === "number") _flush_mode = flush_mode; else _flush_mode = flush_mode === true ? 4 : 0; if (typeof data === "string") strm.input = new TextEncoder().encode(data); else if (toString$1.call(data) === "[object ArrayBuffer]") strm.input = new Uint8Array(data); else strm.input = data; strm.next_in = 0; strm.avail_in = strm.input.length; if (!this.started) { this.started = true; this.onStart(strm); } for (;;) { if (strm.avail_out === 0) { strm.output = new Uint8Array(chunkSize); strm.next_out = 0; strm.avail_out = chunkSize; } if ((_flush_mode === 2 || _flush_mode === 3) && strm.avail_out <= 6) { this.onData(strm.output.subarray(0, strm.next_out)); strm.avail_out = 0; continue; } status = deflate$1(strm, _flush_mode); if (status === -2) break; if (status === 1) { if (strm.next_out > 0) this.onData(strm.output.subarray(0, strm.next_out)); status = deflateEnd(this.strm); break; } if (strm.avail_out === 0) { this.onData(strm.output); continue; } if (_flush_mode > 0 && strm.next_out > 0) { this.onData(strm.output.subarray(0, strm.next_out)); strm.avail_out = 0; continue; } if (strm.avail_in === 0) return true; } this.err = status; this.msg = strm.msg || messages_default[status]; this.ended = true; this.onEnd(status); return status === 0; } /** * Called once before the first low-level deflate call. */ onStart(strm) {} /** * By default, stores data blocks in the {@link Deflate.chunks} property and glues * them in {@link Deflate.onEnd}. Override this handler if you need another behaviour. */ onData(chunk) { this.chunks.push(chunk); } /** * Called once after you tell deflate that the input stream is * complete ({@link Z_FINISH}). By default, joins the collected {@link Deflate.chunks} * into the {@link Deflate.result} property. * * @param status deflate status. {@link Z_OK} on success, other if not. */ onEnd(status) { if (status === 0) this.result = flattenChunks(this.chunks); this.chunks = []; } }; /** * Compress `data` with deflate algorithm and `options`. * See {@link DeflateOptions} for the list of supported options. * * @example * ```javascript * import { deflate } from 'pako' * * const data = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9]) * * console.log(deflate(data)) * ``` */ function deflate(input, options = {}) { const deflator = new Deflate(options); deflator.push(input, true); if (deflator.err) throw new Error(deflator.msg); return deflator.result; } /** * The same as {@link deflate}, but creates raw data without a wrapper * (header and adler32 crc). */ function deflateRaw(input, options = {}) { return deflate(input, Object.assign({}, options, { raw: true })); } /** * The same as {@link deflate}, but creates a gzip wrapper instead of * a deflate one. */ function gzip(input, options = {}) { return deflate(input, Object.assign({}, options, { gzip: true })); } //#endregion //#region src/inflate.ts var toString = Object.prototype.toString; var defaultOptions = { chunkSize: 1024 * 64, windowBits: 15, raw: false, dictionary: /* @__PURE__ */ new Uint8Array(0) }; /** * Generic JS-style wrapper for zlib calls. If you don't need * streaming behaviour, use the simpler functions {@link inflate} * and {@link inflateRaw}. */ var Inflate = class { options; /** * Error code after inflate finishes. {@link Z_OK} on success. * Should be checked when broken data is possible. */ err; /** Error message, if {@link Inflate.err} is not {@link Z_OK}. */ msg; /** * `true` once the compressed stream has ended. A stream may end before the * caller's data does (trailing bytes), so check this to know when to stop * pushing - further {@link Inflate.push} calls are no-ops. */ ended; started; /** * Chunks of output data, if {@link Inflate.onData} not overridden. * @internal */ chunks; strm; /** * Uncompressed result, generated by default {@link Inflate.onData} * and {@link Inflate.onEnd} handlers. Filled after you push last chunk * (call {@link Inflate.push} with {@link Z_FINISH} / `true` param). */ result; /** * Creates a new inflator instance with the specified params. Throws an * exception on bad params. See {@link InflateOptions} for the list of * supported options. * * By default, when no options are set, the deflate/gzip data format is * autodetected via the wrapper header. * * @example * ```javascript * import { Inflate } from 'pako' * * const chunk1 = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9]) * const chunk2 = new Uint8Array([10, 11, 12, 13, 14, 15, 16, 17, 18, 19]) * * const inflate = new Inflate({ level: 3 }) * * inflate.push(chunk1, false) * inflate.push(chunk2, true) // true -> last chunk * * if (inflate.err) throw new Error(inflate.err) * * console.log(inflate.result) * ``` */ constructor(options = {}) { this.options = Object.assign({}, defaultOptions, options); const opt = this.options; if (opt.raw && opt.windowBits >= 0 && opt.windowBits < 16) { opt.windowBits = -opt.windowBits; if (opt.windowBits === 0) opt.windowBits = -15; } if (opt.windowBits >= 0 && opt.windowBits < 16 && !options.windowBits) opt.windowBits += 32; if (opt.windowBits > 15 && opt.windowBits < 48) { if ((opt.windowBits & 15) === 0) opt.windowBits |= 15; } this.err = 0; this.msg = ""; this.ended = false; this.started = false; this.chunks = []; this.result = /* @__PURE__ */ new Uint8Array(0); this.strm = new ZStream(); this.strm.avail_out = 0; let status = inflateInit2(this.strm, opt.windowBits); if (status !== 0) throw new Error(messages_default[status]); if (toString.call(opt.dictionary) === "[object ArrayBuffer]") opt.dictionary = new Uint8Array(opt.dictionary); const dictionary = opt.dictionary; if (opt.raw && dictionary.length) { status = inflateSetDictionary(this.strm, dictionary); if (status !== 0) throw new Error(messages_default[status]); } } /** * Sends input data to the inflate pipe, generating {@link Inflate.onData} calls * with new output chunks. Returns `true` on success. If end of stream is * detected, {@link Inflate.onEnd} will be called. * * `flush_mode` is not needed for normal operation, because end of stream * is detected automatically. Pass {@link Z_SYNC_FLUSH} to force the decoder * to emit all currently available output — handy when you need to decode * data frame-by-frame from a long-running stream. * * On failure, calls {@link Inflate.onEnd} with the error code and returns false. * * Once the stream has ended (a compressed stream may end before your data * does), further `push` calls are no-ops and return whether the decode * finished successfully. The final outcome is in {@link Inflate.result}, * {@link Inflate.err} and {@link Inflate.msg}. * * @param flush_mode 0..6 for corresponding {@link Z_NO_FLUSH}..{@link Z_TREES} * flush modes. See constants. Skipped or `false` means {@link Z_NO_FLUSH}, * `true` means {@link Z_FINISH}. * * @example * ```javascript * push(chunk, false) // push one of data chunks * ... * push(chunk, true) // push last chunk * ``` */ push(data, flush_mode = false) { const strm = this.strm; const chunkSize = this.options.chunkSize; let status; let _flush_mode; let last_avail_out; if (this.ended) return this.err === 0; if (typeof flush_mode === "number") _flush_mode = flush_mode; else _flush_mode = flush_mode === true ? 4 : 0; if (toString.call(data) === "[object ArrayBuffer]") strm.input = new Uint8Array(data); else strm.input = data; strm.next_in = 0; strm.avail_in = strm.input.length; if (!this.started) { this.started = true; this.onStart(strm); } for (;;) { if (strm.avail_out === 0) { strm.output = new Uint8Array(chunkSize); strm.next_out = 0; strm.avail_out = chunkSize; } status = inflate$1(strm, _flush_mode); if (status === 2) { const dictionary = this.options.dictionary; if (dictionary.length) { status = inflateSetDictionary(strm, dictionary); if (status === 0) status = inflate$1(strm, _flush_mode); else if (status === -3) status = 2; } } while (strm.avail_in > 0 && status === 1 && strm.state.wrap & 2 && strm.state.flags !== 0 && strm.input[strm.next_in] !== 0) { inflateReset(strm); status = inflate$1(strm, _flush_mode); } if (status === -2 || status === -3 || status === 2 || status === -4) break; last_avail_out = strm.avail_out; if (strm.next_out) { if (strm.avail_out === 0 || status === 1 || _flush_mode > 0) { this.onData(strm.output.length === strm.next_out ? strm.output : strm.output.subarray(0, strm.next_out)); strm.avail_out = 0; strm.next_out = 0; } } if ((status === 0 || status === -5) && last_avail_out === 0) continue; if (status === 1) { status = inflateEnd(this.strm); break; } if (strm.avail_in === 0) { if (_flush_mode === 4) { status = inflateEnd(this.strm); if (status === 0) status = -5; break; } return true; } } this.err = status; this.msg = strm.msg || messages_default[status]; this.ended = true; this.onEnd(status); return status === 0; } /** * Called once before the first low-level inflate call. * * Override this handler to attach low-level inflate state, for example to read * gzip header metadata: * * ```javascript * import { Inflate, GZheader, zlibInflateGetHeader } from 'pako' * * const inflator = new Inflate() * * inflator.onStart = function (strm) { * this.header = new GZheader() * zlibInflateGetHeader(strm, this.header) * } * * inflator.push(data, true) * console.log(inflator.header.name) * ``` */ onStart(strm) {} /** * By default, stores data blocks in the {@link Inflate.chunks} property and glues * them in {@link Inflate.onEnd}. Override this handler if you need another behaviour. * * @param chunk output data. */ onData(chunk) { this.chunks.push(chunk); } /** * Called after you tell inflate that the input stream is * complete ({@link Z_FINISH}). By default, joins the collected {@link Inflate.chunks}, * frees memory and fills the {@link Inflate.result} property. * * @param status inflate status. {@link Z_OK} on success, other if not. */ onEnd(status) { if (status === 0) this.result = flattenChunks(this.chunks); this.chunks = []; } }; /** * One-shot inflate decompress. Autodetects `gzip`/`zlib` * format via the wrapper header — so {@link ungzip} is just a convenience alias of * this function. See {@link InflateOptions} for zlib options. Set * `toText: true` to decode the result as UTF-8 text. * * @example * ```javascript * import { deflate, inflate } from 'pako' * * const input = deflate(new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9])) * let output * * try { * output = inflate(input) * } catch (err) { * console.log(err) * } * ``` */ function inflate(input, options = {}) { const inflator = new Inflate(options); inflator.push(input, true); if (inflator.err) throw new Error(inflator.msg); const result = inflator.result; return options.toText ? new TextDecoder().decode(result) : result; } /** * The same as {@link inflate}, but consumes raw data without a wrapper * (header and adler32 crc). */ function inflateRaw(input, options = {}) { return inflate(input, { ...options, raw: true }); } //#endregion export { Deflate, GZheader, Inflate, ZStream, Z_BLOCK, Z_BUF_ERROR, Z_DATA_ERROR, Z_ERRNO, Z_FINISH, Z_FULL_FLUSH, Z_MEM_ERROR, Z_NEED_DICT, Z_NO_FLUSH, Z_OK, Z_PARTIAL_FLUSH, Z_STREAM_END, Z_STREAM_ERROR, Z_SYNC_FLUSH, Z_TREES, deflate, deflateRaw, gzip, inflate, inflate as ungzip, inflateRaw, deflate$1 as zlibDeflate, deflateEnd as zlibDeflateEnd, deflateInit as zlibDeflateInit, deflateInit2 as zlibDeflateInit2, deflateReset as zlibDeflateReset, deflateResetKeep as zlibDeflateResetKeep, deflateSetDictionary as zlibDeflateSetDictionary, deflateSetHeader as zlibDeflateSetHeader, inflate$1 as zlibInflate, inflateEnd as zlibInflateEnd, inflateGetHeader as zlibInflateGetHeader, inflateInit as zlibInflateInit, inflateInit2 as zlibInflateInit2, inflateReset as zlibInflateReset, inflateReset2 as zlibInflateReset2, inflateResetKeep as zlibInflateResetKeep, inflateSetDictionary as zlibInflateSetDictionary }; //# sourceMappingURL=pako.mjs.map