diff options
| -rw-r--r-- | src/bun.js/module_loader.zig | 17 | ||||
| -rw-r--r-- | src/bun.js/zlib.exports.js | 4810 | ||||
| -rw-r--r-- | src/node-fallbacks/.gitignore | 1 | ||||
| -rw-r--r-- | src/node-fallbacks/package.json | 1 |
4 files changed, 4827 insertions, 2 deletions
diff --git a/src/bun.js/module_loader.zig b/src/bun.js/module_loader.zig index f60c3fe29..abddc2f5a 100644 --- a/src/bun.js/module_loader.zig +++ b/src/bun.js/module_loader.zig @@ -1652,6 +1652,15 @@ pub const ModuleLoader = struct { .hash = 0, }; }, + .@"node:zlib" => { + return ResolvedSource{ + .allocator = null, + .source_code = ZigString.init(jsModuleFromFile(jsc_vm.load_builtins_from_path, "zlib.exports.js")), + .specifier = ZigString.init("node:zlib"), + .source_url = ZigString.init("node:zlib"), + .hash = 0, + }; + }, .@"node:fs/promises" => { return ResolvedSource{ @@ -2071,6 +2080,7 @@ pub const HardcodedModule = enum { @"node:url", @"node:util", @"node:util/types", + @"node:zlib", depd, undici, ws, @@ -2120,6 +2130,7 @@ pub const HardcodedModule = enum { .{ "node:url", HardcodedModule.@"node:url" }, .{ "node:util", HardcodedModule.@"node:util" }, .{ "node:util/types", HardcodedModule.@"node:util/types" }, + .{ "node:zlib", HardcodedModule.@"node:zlib" }, .{ "undici", HardcodedModule.undici }, .{ "ws", HardcodedModule.ws }, }, @@ -2171,17 +2182,17 @@ pub const HardcodedModule = enum { .{ "node:readline", "node:readline" }, .{ "node:readline/promises", "node:readline/promises" }, .{ "node:stream", "node:stream" }, - .{ "node:tls", "node:tls" }, - .{ "tls", "node:tls" }, .{ "node:stream/consumers", "node:stream/consumers" }, .{ "node:stream/web", "node:stream/web" }, .{ "node:string_decoder", "node:string_decoder" }, .{ "node:timers", "node:timers" }, .{ "node:timers/promises", "node:timers/promises" }, + .{ "node:tls", "node:tls" }, .{ "node:tty", "node:tty" }, .{ "node:url", "node:url" }, .{ "node:util", "node:util" }, .{ "node:util/types", "node:util/types" }, + .{ "node:zlib", "node:zlib" }, .{ "os", "node:os" }, .{ "path", "node:path" }, .{ "path/posix", "node:path/posix" }, @@ -2199,6 +2210,7 @@ pub const HardcodedModule = enum { .{ "string_decoder", "node:string_decoder" }, .{ "timers", "node:timers" }, .{ "timers/promises", "node:timers/promises" }, + .{ "tls", "node:tls" }, .{ "tty", "node:tty" }, .{ "undici", "undici" }, .{ "url", "node:url" }, @@ -2206,6 +2218,7 @@ pub const HardcodedModule = enum { .{ "util/types", "node:util/types" }, .{ "ws", "ws" }, .{ "ws/lib/websocket", "ws" }, + .{ "zlib", "node:zlib" }, }, ); }; diff --git a/src/bun.js/zlib.exports.js b/src/bun.js/zlib.exports.js new file mode 100644 index 000000000..175d617db --- /dev/null +++ b/src/bun.js/zlib.exports.js @@ -0,0 +1,4810 @@ +// 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! + +var __create = Object.create; +var __defProp = Object.defineProperty; +var __getOwnPropDesc = Object.getOwnPropertyDescriptor; +var __getOwnPropNames = Object.getOwnPropertyNames; +var __getProtoOf = Object.getPrototypeOf; +var __hasOwnProp = Object.prototype.hasOwnProperty; +var __commonJS = (cb, mod) => + function __require() { + return ( + mod || + (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), + mod.exports + ); + }; + +var __copyProps = (to, from, except, desc) => { + if ((from && typeof from === "object") || typeof from === "function") { + for (let key of __getOwnPropNames(from)) + if (!__hasOwnProp.call(to, key) && key !== except) + __defProp(to, key, { + get: () => from[key], + enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable, + }); + } + return to; +}; +var __reExport = (target, mod, secondTarget) => ( + __copyProps(target, mod, "default"), + secondTarget && __copyProps(secondTarget, mod, "default") +); +var __toESM = (mod, isNodeMode, target) => ( + (target = mod != null ? __create(__getProtoOf(mod)) : {}), + __copyProps( + isNodeMode || !mod || !mod.__esModule + ? __defProp(target, "default", { value: mod, enumerable: true }) + : target, + mod, + ) +); +var __toCommonJS = (mod) => + __copyProps(__defProp({}, "__esModule", { value: true }), mod); + +const require = (id) => import.meta.require(id); + +// 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 assert = require("assert"); + 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.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 = require("buffer").Buffer; + var Transform = require("stream").Transform; + var binding = require_binding(); + var util = require("util"); + var assert = require("assert").ok; + var kMaxLength = require("buffer").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.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); + }; + 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 +var zlib_exports = {}; +__reExport(zlib_exports, __toESM(require_lib()), zlib_exports); +zlib_exports[Symbol.for("CommonJS")] = 0; +export default zlib_exports; + +export var { + Deflate, + Inflate, + Gzip, + Gunzip, + DeflateRaw, + InflateRaw, + Unzip, + createDeflate, + createInflate, + createDeflateRaw, + createInflateRaw, + createGzip, + createGunzip, + createUnzip, + deflate, + deflateSync, + gzip, + gzipSync, + deflateRaw, + deflateRawSync, + unzip, + unzipSync, + inflate, + inflateSync, + gunzip, + gunzipSync, + inflateRaw, + inflateRawSync, +} = zlib_exports; diff --git a/src/node-fallbacks/.gitignore b/src/node-fallbacks/.gitignore new file mode 100644 index 000000000..93fadd184 --- /dev/null +++ b/src/node-fallbacks/.gitignore @@ -0,0 +1 @@ +bun diff --git a/src/node-fallbacks/package.json b/src/node-fallbacks/package.json index 4f8d09498..66ff79c5b 100644 --- a/src/node-fallbacks/package.json +++ b/src/node-fallbacks/package.json @@ -5,6 +5,7 @@ "main": "index.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1", + "build-gen": "esbuild --bundle *.js --outdir=bun --format=cjs --platform=browser --external:buffer --external:stream --external:util --external:util/ --external:assert", "build": "esbuild --bundle *.js --outdir=out --format=cjs --minify --platform=browser" }, "author": "", |