4184 lines
111 KiB
JavaScript
4184 lines
111 KiB
JavaScript
// node_modules/pako/dist/pako.esm.mjs
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var Z_FIXED$1 = 4;
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var Z_BINARY = 0;
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var Z_TEXT = 1;
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var Z_UNKNOWN$1 = 2;
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function zero$1(buf) {
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let len = buf.length;
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while (--len >= 0) {
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buf[len] = 0;
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}
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}
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var STORED_BLOCK = 0;
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var STATIC_TREES = 1;
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var DYN_TREES = 2;
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var MIN_MATCH$1 = 3;
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var MAX_MATCH$1 = 258;
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var LENGTH_CODES$1 = 29;
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var LITERALS$1 = 256;
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var L_CODES$1 = LITERALS$1 + 1 + LENGTH_CODES$1;
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var D_CODES$1 = 30;
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var BL_CODES$1 = 19;
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var HEAP_SIZE$1 = 2 * L_CODES$1 + 1;
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var MAX_BITS$1 = 15;
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var Buf_size = 16;
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var MAX_BL_BITS = 7;
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var END_BLOCK = 256;
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var REP_3_6 = 16;
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var REPZ_3_10 = 17;
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var REPZ_11_138 = 18;
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var extra_lbits = (
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/* extra bits for each length code */
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new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0])
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);
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var extra_dbits = (
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/* extra bits for each distance code */
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new Uint8Array([0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13])
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);
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var extra_blbits = (
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/* extra bits for each bit length code */
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new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 7])
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);
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var bl_order = new Uint8Array([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15]);
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var DIST_CODE_LEN = 512;
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var static_ltree = new Array((L_CODES$1 + 2) * 2);
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zero$1(static_ltree);
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var static_dtree = new Array(D_CODES$1 * 2);
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zero$1(static_dtree);
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var _dist_code = new Array(DIST_CODE_LEN);
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zero$1(_dist_code);
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var _length_code = new Array(MAX_MATCH$1 - MIN_MATCH$1 + 1);
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zero$1(_length_code);
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var base_length = new Array(LENGTH_CODES$1);
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zero$1(base_length);
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var base_dist = new Array(D_CODES$1);
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zero$1(base_dist);
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function StaticTreeDesc(static_tree, extra_bits, extra_base, elems, max_length) {
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this.static_tree = static_tree;
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this.extra_bits = extra_bits;
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this.extra_base = extra_base;
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this.elems = elems;
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this.max_length = max_length;
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this.has_stree = static_tree && static_tree.length;
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}
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var static_l_desc;
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var static_d_desc;
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var static_bl_desc;
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function TreeDesc(dyn_tree, stat_desc) {
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this.dyn_tree = dyn_tree;
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this.max_code = 0;
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this.stat_desc = stat_desc;
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}
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var d_code = (dist) => {
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return dist < 256 ? _dist_code[dist] : _dist_code[256 + (dist >>> 7)];
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};
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var put_short = (s, w) => {
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s.pending_buf[s.pending++] = w & 255;
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s.pending_buf[s.pending++] = w >>> 8 & 255;
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};
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var send_bits = (s, value, length) => {
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if (s.bi_valid > Buf_size - length) {
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s.bi_buf |= value << s.bi_valid & 65535;
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put_short(s, s.bi_buf);
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s.bi_buf = value >> Buf_size - s.bi_valid;
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s.bi_valid += length - Buf_size;
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} else {
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s.bi_buf |= value << s.bi_valid & 65535;
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s.bi_valid += length;
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}
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};
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var send_code = (s, c, tree) => {
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send_bits(
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s,
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tree[c * 2],
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tree[c * 2 + 1]
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/*.Len*/
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);
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};
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var bi_reverse = (code, len) => {
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let res = 0;
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do {
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res |= code & 1;
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code >>>= 1;
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res <<= 1;
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} while (--len > 0);
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return res >>> 1;
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};
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var bi_flush = (s) => {
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if (s.bi_valid === 16) {
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put_short(s, s.bi_buf);
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s.bi_buf = 0;
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s.bi_valid = 0;
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} else if (s.bi_valid >= 8) {
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s.pending_buf[s.pending++] = s.bi_buf & 255;
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s.bi_buf >>= 8;
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s.bi_valid -= 8;
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}
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};
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var gen_bitlen = (s, desc) => {
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const tree = desc.dyn_tree;
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const max_code = desc.max_code;
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const stree = desc.stat_desc.static_tree;
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const has_stree = desc.stat_desc.has_stree;
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const extra = desc.stat_desc.extra_bits;
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const base = desc.stat_desc.extra_base;
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const max_length = desc.stat_desc.max_length;
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let h;
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let n, m;
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let bits;
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let xbits;
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let f;
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let overflow = 0;
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for (bits = 0; bits <= MAX_BITS$1; bits++) {
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s.bl_count[bits] = 0;
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}
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tree[s.heap[s.heap_max] * 2 + 1] = 0;
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for (h = s.heap_max + 1; h < HEAP_SIZE$1; h++) {
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n = s.heap[h];
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bits = tree[tree[n * 2 + 1] * 2 + 1] + 1;
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if (bits > max_length) {
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bits = max_length;
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overflow++;
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}
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tree[n * 2 + 1] = bits;
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if (n > max_code) {
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continue;
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}
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s.bl_count[bits]++;
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xbits = 0;
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if (n >= base) {
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xbits = extra[n - base];
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}
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f = tree[n * 2];
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s.opt_len += f * (bits + xbits);
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if (has_stree) {
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s.static_len += f * (stree[n * 2 + 1] + xbits);
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}
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}
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if (overflow === 0) {
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return;
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}
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do {
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bits = max_length - 1;
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while (s.bl_count[bits] === 0) {
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bits--;
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}
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s.bl_count[bits]--;
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s.bl_count[bits + 1] += 2;
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s.bl_count[max_length]--;
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overflow -= 2;
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} while (overflow > 0);
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for (bits = max_length; bits !== 0; bits--) {
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n = s.bl_count[bits];
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while (n !== 0) {
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m = s.heap[--h];
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if (m > max_code) {
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continue;
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}
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if (tree[m * 2 + 1] !== bits) {
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s.opt_len += (bits - tree[m * 2 + 1]) * tree[m * 2];
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tree[m * 2 + 1] = bits;
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}
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n--;
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}
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}
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};
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var gen_codes = (tree, max_code, bl_count) => {
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const next_code = new Array(MAX_BITS$1 + 1);
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let code = 0;
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let bits;
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let n;
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for (bits = 1; bits <= MAX_BITS$1; bits++) {
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code = code + bl_count[bits - 1] << 1;
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next_code[bits] = code;
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}
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for (n = 0; n <= max_code; n++) {
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let len = tree[n * 2 + 1];
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if (len === 0) {
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continue;
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}
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tree[n * 2] = bi_reverse(next_code[len]++, len);
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}
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};
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var tr_static_init = () => {
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let n;
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let bits;
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let length;
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let code;
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let dist;
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const bl_count = new Array(MAX_BITS$1 + 1);
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length = 0;
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for (code = 0; code < LENGTH_CODES$1 - 1; code++) {
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base_length[code] = length;
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for (n = 0; n < 1 << extra_lbits[code]; n++) {
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_length_code[length++] = code;
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}
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}
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_length_code[length - 1] = code;
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dist = 0;
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for (code = 0; code < 16; code++) {
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base_dist[code] = dist;
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for (n = 0; n < 1 << extra_dbits[code]; n++) {
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_dist_code[dist++] = code;
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}
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}
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dist >>= 7;
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for (; code < D_CODES$1; code++) {
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base_dist[code] = dist << 7;
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for (n = 0; n < 1 << extra_dbits[code] - 7; n++) {
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_dist_code[256 + dist++] = code;
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}
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}
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for (bits = 0; bits <= MAX_BITS$1; bits++) {
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bl_count[bits] = 0;
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}
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n = 0;
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while (n <= 143) {
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static_ltree[n * 2 + 1] = 8;
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n++;
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bl_count[8]++;
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}
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while (n <= 255) {
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static_ltree[n * 2 + 1] = 9;
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n++;
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bl_count[9]++;
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}
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while (n <= 279) {
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static_ltree[n * 2 + 1] = 7;
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n++;
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bl_count[7]++;
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}
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while (n <= 287) {
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static_ltree[n * 2 + 1] = 8;
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n++;
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bl_count[8]++;
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}
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gen_codes(static_ltree, L_CODES$1 + 1, bl_count);
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for (n = 0; n < D_CODES$1; n++) {
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static_dtree[n * 2 + 1] = 5;
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static_dtree[n * 2] = bi_reverse(n, 5);
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}
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static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS$1 + 1, L_CODES$1, MAX_BITS$1);
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static_d_desc = new StaticTreeDesc(static_dtree, extra_dbits, 0, D_CODES$1, MAX_BITS$1);
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static_bl_desc = new StaticTreeDesc(new Array(0), extra_blbits, 0, BL_CODES$1, MAX_BL_BITS);
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};
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var init_block = (s) => {
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let n;
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for (n = 0; n < L_CODES$1; n++) {
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s.dyn_ltree[n * 2] = 0;
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}
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for (n = 0; n < D_CODES$1; n++) {
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s.dyn_dtree[n * 2] = 0;
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}
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for (n = 0; n < BL_CODES$1; n++) {
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s.bl_tree[n * 2] = 0;
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}
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s.dyn_ltree[END_BLOCK * 2] = 1;
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s.opt_len = s.static_len = 0;
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s.sym_next = s.matches = 0;
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};
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var bi_windup = (s) => {
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if (s.bi_valid > 8) {
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put_short(s, s.bi_buf);
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} else if (s.bi_valid > 0) {
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s.pending_buf[s.pending++] = s.bi_buf;
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}
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s.bi_buf = 0;
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s.bi_valid = 0;
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};
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var smaller = (tree, n, m, depth) => {
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const _n2 = n * 2;
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const _m2 = m * 2;
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return tree[_n2] < tree[_m2] || tree[_n2] === tree[_m2] && depth[n] <= depth[m];
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};
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var pqdownheap = (s, tree, k) => {
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const v = s.heap[k];
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let j = k << 1;
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while (j <= s.heap_len) {
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if (j < s.heap_len && smaller(tree, s.heap[j + 1], s.heap[j], s.depth)) {
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j++;
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}
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if (smaller(tree, v, s.heap[j], s.depth)) {
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break;
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}
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s.heap[k] = s.heap[j];
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k = j;
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j <<= 1;
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}
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s.heap[k] = v;
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};
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var compress_block = (s, ltree, dtree) => {
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let dist;
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let lc;
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let sx = 0;
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let code;
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let extra;
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if (s.sym_next !== 0) {
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do {
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dist = s.pending_buf[s.sym_buf + sx++] & 255;
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dist += (s.pending_buf[s.sym_buf + sx++] & 255) << 8;
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lc = s.pending_buf[s.sym_buf + sx++];
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if (dist === 0) {
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send_code(s, lc, ltree);
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} else {
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code = _length_code[lc];
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send_code(s, code + LITERALS$1 + 1, ltree);
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extra = extra_lbits[code];
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if (extra !== 0) {
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lc -= base_length[code];
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send_bits(s, lc, extra);
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}
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dist--;
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code = d_code(dist);
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send_code(s, code, dtree);
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extra = extra_dbits[code];
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if (extra !== 0) {
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dist -= base_dist[code];
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send_bits(s, dist, extra);
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}
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}
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} while (sx < s.sym_next);
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}
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send_code(s, END_BLOCK, ltree);
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};
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var build_tree = (s, desc) => {
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const tree = desc.dyn_tree;
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const stree = desc.stat_desc.static_tree;
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const has_stree = desc.stat_desc.has_stree;
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const elems = desc.stat_desc.elems;
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let n, m;
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let max_code = -1;
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let node;
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s.heap_len = 0;
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s.heap_max = HEAP_SIZE$1;
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for (n = 0; n < elems; n++) {
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if (tree[n * 2] !== 0) {
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s.heap[++s.heap_len] = max_code = n;
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s.depth[n] = 0;
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} else {
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tree[n * 2 + 1] = 0;
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}
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}
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while (s.heap_len < 2) {
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node = s.heap[++s.heap_len] = max_code < 2 ? ++max_code : 0;
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tree[node * 2] = 1;
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s.depth[node] = 0;
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s.opt_len--;
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if (has_stree) {
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s.static_len -= stree[node * 2 + 1];
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}
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}
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desc.max_code = max_code;
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for (n = s.heap_len >> 1; n >= 1; n--) {
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pqdownheap(s, tree, n);
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}
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node = elems;
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do {
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n = s.heap[
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1
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/*SMALLEST*/
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];
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s.heap[
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1
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/*SMALLEST*/
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] = s.heap[s.heap_len--];
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pqdownheap(
|
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s,
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tree,
|
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1
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/*SMALLEST*/
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);
|
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m = s.heap[
|
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1
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/*SMALLEST*/
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];
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s.heap[--s.heap_max] = n;
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s.heap[--s.heap_max] = m;
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tree[node * 2] = tree[n * 2] + tree[m * 2];
|
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s.depth[node] = (s.depth[n] >= s.depth[m] ? s.depth[n] : s.depth[m]) + 1;
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tree[n * 2 + 1] = tree[m * 2 + 1] = node;
|
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s.heap[
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1
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/*SMALLEST*/
|
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] = node++;
|
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pqdownheap(
|
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s,
|
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tree,
|
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1
|
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/*SMALLEST*/
|
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);
|
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} while (s.heap_len >= 2);
|
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s.heap[--s.heap_max] = s.heap[
|
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1
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/*SMALLEST*/
|
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];
|
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gen_bitlen(s, desc);
|
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gen_codes(tree, max_code, s.bl_count);
|
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};
|
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var scan_tree = (s, tree, max_code) => {
|
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let n;
|
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let prevlen = -1;
|
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let curlen;
|
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let nextlen = tree[0 * 2 + 1];
|
|
let count = 0;
|
|
let max_count = 7;
|
|
let min_count = 4;
|
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if (nextlen === 0) {
|
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max_count = 138;
|
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min_count = 3;
|
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}
|
|
tree[(max_code + 1) * 2 + 1] = 65535;
|
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for (n = 0; n <= max_code; n++) {
|
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curlen = nextlen;
|
|
nextlen = tree[(n + 1) * 2 + 1];
|
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if (++count < max_count && curlen === nextlen) {
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continue;
|
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} else if (count < min_count) {
|
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s.bl_tree[curlen * 2] += count;
|
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} else if (curlen !== 0) {
|
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if (curlen !== prevlen) {
|
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s.bl_tree[curlen * 2]++;
|
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}
|
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s.bl_tree[REP_3_6 * 2]++;
|
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} else if (count <= 10) {
|
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s.bl_tree[REPZ_3_10 * 2]++;
|
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} else {
|
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s.bl_tree[REPZ_11_138 * 2]++;
|
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}
|
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count = 0;
|
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prevlen = curlen;
|
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if (nextlen === 0) {
|
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max_count = 138;
|
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min_count = 3;
|
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} else if (curlen === nextlen) {
|
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max_count = 6;
|
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min_count = 3;
|
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} else {
|
|
max_count = 7;
|
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min_count = 4;
|
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}
|
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}
|
|
};
|
|
var send_tree = (s, tree, max_code) => {
|
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let n;
|
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let prevlen = -1;
|
|
let curlen;
|
|
let nextlen = tree[0 * 2 + 1];
|
|
let count = 0;
|
|
let max_count = 7;
|
|
let min_count = 4;
|
|
if (nextlen === 0) {
|
|
max_count = 138;
|
|
min_count = 3;
|
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}
|
|
for (n = 0; n <= max_code; n++) {
|
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curlen = nextlen;
|
|
nextlen = tree[(n + 1) * 2 + 1];
|
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if (++count < max_count && curlen === nextlen) {
|
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continue;
|
|
} else if (count < min_count) {
|
|
do {
|
|
send_code(s, curlen, s.bl_tree);
|
|
} while (--count !== 0);
|
|
} else if (curlen !== 0) {
|
|
if (curlen !== prevlen) {
|
|
send_code(s, curlen, s.bl_tree);
|
|
count--;
|
|
}
|
|
send_code(s, REP_3_6, s.bl_tree);
|
|
send_bits(s, count - 3, 2);
|
|
} else if (count <= 10) {
|
|
send_code(s, REPZ_3_10, s.bl_tree);
|
|
send_bits(s, count - 3, 3);
|
|
} else {
|
|
send_code(s, REPZ_11_138, s.bl_tree);
|
|
send_bits(s, count - 11, 7);
|
|
}
|
|
count = 0;
|
|
prevlen = curlen;
|
|
if (nextlen === 0) {
|
|
max_count = 138;
|
|
min_count = 3;
|
|
} else if (curlen === nextlen) {
|
|
max_count = 6;
|
|
min_count = 3;
|
|
} else {
|
|
max_count = 7;
|
|
min_count = 4;
|
|
}
|
|
}
|
|
};
|
|
var build_bl_tree = (s) => {
|
|
let max_blindex;
|
|
scan_tree(s, s.dyn_ltree, s.l_desc.max_code);
|
|
scan_tree(s, s.dyn_dtree, s.d_desc.max_code);
|
|
build_tree(s, s.bl_desc);
|
|
for (max_blindex = BL_CODES$1 - 1; max_blindex >= 3; max_blindex--) {
|
|
if (s.bl_tree[bl_order[max_blindex] * 2 + 1] !== 0) {
|
|
break;
|
|
}
|
|
}
|
|
s.opt_len += 3 * (max_blindex + 1) + 5 + 5 + 4;
|
|
return max_blindex;
|
|
};
|
|
var send_all_trees = (s, lcodes, dcodes, blcodes) => {
|
|
let rank2;
|
|
send_bits(s, lcodes - 257, 5);
|
|
send_bits(s, dcodes - 1, 5);
|
|
send_bits(s, blcodes - 4, 4);
|
|
for (rank2 = 0; rank2 < blcodes; rank2++) {
|
|
send_bits(s, s.bl_tree[bl_order[rank2] * 2 + 1], 3);
|
|
}
|
|
send_tree(s, s.dyn_ltree, lcodes - 1);
|
|
send_tree(s, s.dyn_dtree, dcodes - 1);
|
|
};
|
|
var detect_data_type = (s) => {
|
|
let block_mask = 4093624447;
|
|
let n;
|
|
for (n = 0; n <= 31; n++, block_mask >>>= 1) {
|
|
if (block_mask & 1 && s.dyn_ltree[n * 2] !== 0) {
|
|
return Z_BINARY;
|
|
}
|
|
}
|
|
if (s.dyn_ltree[9 * 2] !== 0 || s.dyn_ltree[10 * 2] !== 0 || s.dyn_ltree[13 * 2] !== 0) {
|
|
return Z_TEXT;
|
|
}
|
|
for (n = 32; n < LITERALS$1; n++) {
|
|
if (s.dyn_ltree[n * 2] !== 0) {
|
|
return Z_TEXT;
|
|
}
|
|
}
|
|
return Z_BINARY;
|
|
};
|
|
var static_init_done = false;
|
|
var _tr_init$1 = (s) => {
|
|
if (!static_init_done) {
|
|
tr_static_init();
|
|
static_init_done = true;
|
|
}
|
|
s.l_desc = new TreeDesc(s.dyn_ltree, static_l_desc);
|
|
s.d_desc = new TreeDesc(s.dyn_dtree, static_d_desc);
|
|
s.bl_desc = new TreeDesc(s.bl_tree, static_bl_desc);
|
|
s.bi_buf = 0;
|
|
s.bi_valid = 0;
|
|
init_block(s);
|
|
};
|
|
var _tr_stored_block$1 = (s, buf, stored_len, last) => {
|
|
send_bits(s, (STORED_BLOCK << 1) + (last ? 1 : 0), 3);
|
|
bi_windup(s);
|
|
put_short(s, stored_len);
|
|
put_short(s, ~stored_len);
|
|
if (stored_len) {
|
|
s.pending_buf.set(s.window.subarray(buf, buf + stored_len), s.pending);
|
|
}
|
|
s.pending += stored_len;
|
|
};
|
|
var _tr_align$1 = (s) => {
|
|
send_bits(s, STATIC_TREES << 1, 3);
|
|
send_code(s, END_BLOCK, static_ltree);
|
|
bi_flush(s);
|
|
};
|
|
var _tr_flush_block$1 = (s, buf, stored_len, last) => {
|
|
let opt_lenb, static_lenb;
|
|
let max_blindex = 0;
|
|
if (s.level > 0) {
|
|
if (s.strm.data_type === Z_UNKNOWN$1) {
|
|
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$1(s, buf, stored_len, last);
|
|
} else if (s.strategy === Z_FIXED$1 || static_lenb === opt_lenb) {
|
|
send_bits(s, (STATIC_TREES << 1) + (last ? 1 : 0), 3);
|
|
compress_block(s, static_ltree, static_dtree);
|
|
} else {
|
|
send_bits(s, (DYN_TREES << 1) + (last ? 1 : 0), 3);
|
|
send_all_trees(s, s.l_desc.max_code + 1, s.d_desc.max_code + 1, max_blindex + 1);
|
|
compress_block(s, s.dyn_ltree, s.dyn_dtree);
|
|
}
|
|
init_block(s);
|
|
if (last) {
|
|
bi_windup(s);
|
|
}
|
|
};
|
|
var _tr_tally$1 = (s, dist, lc) => {
|
|
s.pending_buf[s.sym_buf + s.sym_next++] = dist;
|
|
s.pending_buf[s.sym_buf + s.sym_next++] = dist >> 8;
|
|
s.pending_buf[s.sym_buf + s.sym_next++] = lc;
|
|
if (dist === 0) {
|
|
s.dyn_ltree[lc * 2]++;
|
|
} else {
|
|
s.matches++;
|
|
dist--;
|
|
s.dyn_ltree[(_length_code[lc] + LITERALS$1 + 1) * 2]++;
|
|
s.dyn_dtree[d_code(dist) * 2]++;
|
|
}
|
|
return s.sym_next === s.sym_end;
|
|
};
|
|
var _tr_init_1 = _tr_init$1;
|
|
var _tr_stored_block_1 = _tr_stored_block$1;
|
|
var _tr_flush_block_1 = _tr_flush_block$1;
|
|
var _tr_tally_1 = _tr_tally$1;
|
|
var _tr_align_1 = _tr_align$1;
|
|
var trees = {
|
|
_tr_init: _tr_init_1,
|
|
_tr_stored_block: _tr_stored_block_1,
|
|
_tr_flush_block: _tr_flush_block_1,
|
|
_tr_tally: _tr_tally_1,
|
|
_tr_align: _tr_align_1
|
|
};
|
|
var adler32 = (adler, buf, len, pos) => {
|
|
let s1 = adler & 65535 | 0, s2 = adler >>> 16 & 65535 | 0, n = 0;
|
|
while (len !== 0) {
|
|
n = len > 2e3 ? 2e3 : len;
|
|
len -= n;
|
|
do {
|
|
s1 = s1 + buf[pos++] | 0;
|
|
s2 = s2 + s1 | 0;
|
|
} while (--n);
|
|
s1 %= 65521;
|
|
s2 %= 65521;
|
|
}
|
|
return s1 | s2 << 16 | 0;
|
|
};
|
|
var adler32_1 = adler32;
|
|
var makeTable = () => {
|
|
let c, table = [];
|
|
for (var n = 0; n < 256; n++) {
|
|
c = n;
|
|
for (var k = 0; k < 8; k++) {
|
|
c = c & 1 ? 3988292384 ^ c >>> 1 : c >>> 1;
|
|
}
|
|
table[n] = c;
|
|
}
|
|
return table;
|
|
};
|
|
var crcTable = new Uint32Array(makeTable());
|
|
var crc32 = (crc, buf, len, pos) => {
|
|
const t = crcTable;
|
|
const end = pos + len;
|
|
crc ^= -1;
|
|
for (let i = pos; i < end; i++) {
|
|
crc = crc >>> 8 ^ t[(crc ^ buf[i]) & 255];
|
|
}
|
|
return crc ^ -1;
|
|
};
|
|
var crc32_1 = crc32;
|
|
var messages = {
|
|
2: "need dictionary",
|
|
/* Z_NEED_DICT 2 */
|
|
1: "stream end",
|
|
/* Z_STREAM_END 1 */
|
|
0: "",
|
|
/* Z_OK 0 */
|
|
"-1": "file error",
|
|
/* Z_ERRNO (-1) */
|
|
"-2": "stream error",
|
|
/* Z_STREAM_ERROR (-2) */
|
|
"-3": "data error",
|
|
/* Z_DATA_ERROR (-3) */
|
|
"-4": "insufficient memory",
|
|
/* Z_MEM_ERROR (-4) */
|
|
"-5": "buffer error",
|
|
/* Z_BUF_ERROR (-5) */
|
|
"-6": "incompatible version"
|
|
/* Z_VERSION_ERROR (-6) */
|
|
};
|
|
var constants$2 = {
|
|
/* Allowed flush values; see deflate() and inflate() below for details */
|
|
Z_NO_FLUSH: 0,
|
|
Z_PARTIAL_FLUSH: 1,
|
|
Z_SYNC_FLUSH: 2,
|
|
Z_FULL_FLUSH: 3,
|
|
Z_FINISH: 4,
|
|
Z_BLOCK: 5,
|
|
Z_TREES: 6,
|
|
/* Return codes for the compression/decompression functions. Negative values
|
|
* are errors, positive values are used for special but normal events.
|
|
*/
|
|
Z_OK: 0,
|
|
Z_STREAM_END: 1,
|
|
Z_NEED_DICT: 2,
|
|
Z_ERRNO: -1,
|
|
Z_STREAM_ERROR: -2,
|
|
Z_DATA_ERROR: -3,
|
|
Z_MEM_ERROR: -4,
|
|
Z_BUF_ERROR: -5,
|
|
//Z_VERSION_ERROR: -6,
|
|
/* compression levels */
|
|
Z_NO_COMPRESSION: 0,
|
|
Z_BEST_SPEED: 1,
|
|
Z_BEST_COMPRESSION: 9,
|
|
Z_DEFAULT_COMPRESSION: -1,
|
|
Z_FILTERED: 1,
|
|
Z_HUFFMAN_ONLY: 2,
|
|
Z_RLE: 3,
|
|
Z_FIXED: 4,
|
|
Z_DEFAULT_STRATEGY: 0,
|
|
/* Possible values of the data_type field (though see inflate()) */
|
|
Z_BINARY: 0,
|
|
Z_TEXT: 1,
|
|
//Z_ASCII: 1, // = Z_TEXT (deprecated)
|
|
Z_UNKNOWN: 2,
|
|
/* The deflate compression method */
|
|
Z_DEFLATED: 8
|
|
//Z_NULL: null // Use -1 or null inline, depending on var type
|
|
};
|
|
var { _tr_init, _tr_stored_block, _tr_flush_block, _tr_tally, _tr_align } = trees;
|
|
var {
|
|
Z_NO_FLUSH: Z_NO_FLUSH$2,
|
|
Z_PARTIAL_FLUSH,
|
|
Z_FULL_FLUSH: Z_FULL_FLUSH$1,
|
|
Z_FINISH: Z_FINISH$3,
|
|
Z_BLOCK: Z_BLOCK$1,
|
|
Z_OK: Z_OK$3,
|
|
Z_STREAM_END: Z_STREAM_END$3,
|
|
Z_STREAM_ERROR: Z_STREAM_ERROR$2,
|
|
Z_DATA_ERROR: Z_DATA_ERROR$2,
|
|
Z_BUF_ERROR: Z_BUF_ERROR$1,
|
|
Z_DEFAULT_COMPRESSION: Z_DEFAULT_COMPRESSION$1,
|
|
Z_FILTERED,
|
|
Z_HUFFMAN_ONLY,
|
|
Z_RLE,
|
|
Z_FIXED,
|
|
Z_DEFAULT_STRATEGY: Z_DEFAULT_STRATEGY$1,
|
|
Z_UNKNOWN,
|
|
Z_DEFLATED: Z_DEFLATED$2
|
|
} = constants$2;
|
|
var MAX_MEM_LEVEL = 9;
|
|
var MAX_WBITS$1 = 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 GZIP_STATE = 57;
|
|
var EXTRA_STATE = 69;
|
|
var NAME_STATE = 73;
|
|
var COMMENT_STATE = 91;
|
|
var HCRC_STATE = 103;
|
|
var BUSY_STATE = 113;
|
|
var FINISH_STATE = 666;
|
|
var BS_NEED_MORE = 1;
|
|
var BS_BLOCK_DONE = 2;
|
|
var BS_FINISH_STARTED = 3;
|
|
var BS_FINISH_DONE = 4;
|
|
var OS_CODE = 3;
|
|
var err = (strm, errorCode) => {
|
|
strm.msg = messages[errorCode];
|
|
return errorCode;
|
|
};
|
|
var rank = (f) => {
|
|
return f * 2 - (f > 4 ? 9 : 0);
|
|
};
|
|
var zero = (buf) => {
|
|
let len = buf.length;
|
|
while (--len >= 0) {
|
|
buf[len] = 0;
|
|
}
|
|
};
|
|
var slide_hash = (s) => {
|
|
let n, m;
|
|
let p;
|
|
let wsize = s.w_size;
|
|
n = s.hash_size;
|
|
p = n;
|
|
do {
|
|
m = s.head[--p];
|
|
s.head[p] = m >= wsize ? m - wsize : 0;
|
|
} while (--n);
|
|
n = wsize;
|
|
p = n;
|
|
do {
|
|
m = s.prev[--p];
|
|
s.prev[p] = m >= wsize ? m - wsize : 0;
|
|
} while (--n);
|
|
};
|
|
var HASH_ZLIB = (s, prev, data) => (prev << s.hash_shift ^ data) & s.hash_mask;
|
|
var HASH = HASH_ZLIB;
|
|
var flush_pending = (strm) => {
|
|
const s = strm.state;
|
|
let len = s.pending;
|
|
if (len > strm.avail_out) {
|
|
len = strm.avail_out;
|
|
}
|
|
if (len === 0) {
|
|
return;
|
|
}
|
|
strm.output.set(s.pending_buf.subarray(s.pending_out, s.pending_out + len), strm.next_out);
|
|
strm.next_out += len;
|
|
s.pending_out += len;
|
|
strm.total_out += len;
|
|
strm.avail_out -= len;
|
|
s.pending -= len;
|
|
if (s.pending === 0) {
|
|
s.pending_out = 0;
|
|
}
|
|
};
|
|
var flush_block_only = (s, last) => {
|
|
_tr_flush_block(s, s.block_start >= 0 ? s.block_start : -1, s.strstart - s.block_start, last);
|
|
s.block_start = s.strstart;
|
|
flush_pending(s.strm);
|
|
};
|
|
var put_byte = (s, b) => {
|
|
s.pending_buf[s.pending++] = b;
|
|
};
|
|
var putShortMSB = (s, b) => {
|
|
s.pending_buf[s.pending++] = b >>> 8 & 255;
|
|
s.pending_buf[s.pending++] = b & 255;
|
|
};
|
|
var read_buf = (strm, buf, start, size) => {
|
|
let len = strm.avail_in;
|
|
if (len > size) {
|
|
len = size;
|
|
}
|
|
if (len === 0) {
|
|
return 0;
|
|
}
|
|
strm.avail_in -= len;
|
|
buf.set(strm.input.subarray(strm.next_in, strm.next_in + len), start);
|
|
if (strm.state.wrap === 1) {
|
|
strm.adler = adler32_1(strm.adler, buf, len, start);
|
|
} else if (strm.state.wrap === 2) {
|
|
strm.adler = crc32_1(strm.adler, buf, len, start);
|
|
}
|
|
strm.next_in += len;
|
|
strm.total_in += len;
|
|
return len;
|
|
};
|
|
var longest_match = (s, cur_match) => {
|
|
let chain_length = s.max_chain_length;
|
|
let scan = s.strstart;
|
|
let match;
|
|
let len;
|
|
let best_len = s.prev_length;
|
|
let nice_match = s.nice_match;
|
|
const limit = s.strstart > s.w_size - MIN_LOOKAHEAD ? s.strstart - (s.w_size - MIN_LOOKAHEAD) : 0;
|
|
const _win = s.window;
|
|
const wmask = s.w_mask;
|
|
const prev = s.prev;
|
|
const strend = s.strstart + MAX_MATCH;
|
|
let scan_end1 = _win[scan + best_len - 1];
|
|
let scan_end = _win[scan + best_len];
|
|
if (s.prev_length >= s.good_match) {
|
|
chain_length >>= 2;
|
|
}
|
|
if (nice_match > s.lookahead) {
|
|
nice_match = s.lookahead;
|
|
}
|
|
do {
|
|
match = cur_match;
|
|
if (_win[match + best_len] !== scan_end || _win[match + best_len - 1] !== scan_end1 || _win[match] !== _win[scan] || _win[++match] !== _win[scan + 1]) {
|
|
continue;
|
|
}
|
|
scan += 2;
|
|
match++;
|
|
do {
|
|
} while (_win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && _win[++scan] === _win[++match] && scan < strend);
|
|
len = MAX_MATCH - (strend - scan);
|
|
scan = strend - MAX_MATCH;
|
|
if (len > best_len) {
|
|
s.match_start = cur_match;
|
|
best_len = len;
|
|
if (len >= nice_match) {
|
|
break;
|
|
}
|
|
scan_end1 = _win[scan + best_len - 1];
|
|
scan_end = _win[scan + best_len];
|
|
}
|
|
} while ((cur_match = prev[cur_match & wmask]) > limit && --chain_length !== 0);
|
|
if (best_len <= s.lookahead) {
|
|
return best_len;
|
|
}
|
|
return s.lookahead;
|
|
};
|
|
var fill_window = (s) => {
|
|
const _w_size = s.w_size;
|
|
let n, more, str;
|
|
do {
|
|
more = s.window_size - s.lookahead - s.strstart;
|
|
if (s.strstart >= _w_size + (_w_size - MIN_LOOKAHEAD)) {
|
|
s.window.set(s.window.subarray(_w_size, _w_size + _w_size - more), 0);
|
|
s.match_start -= _w_size;
|
|
s.strstart -= _w_size;
|
|
s.block_start -= _w_size;
|
|
if (s.insert > s.strstart) {
|
|
s.insert = s.strstart;
|
|
}
|
|
slide_hash(s);
|
|
more += _w_size;
|
|
}
|
|
if (s.strm.avail_in === 0) {
|
|
break;
|
|
}
|
|
n = read_buf(s.strm, s.window, s.strstart + s.lookahead, more);
|
|
s.lookahead += n;
|
|
if (s.lookahead + s.insert >= MIN_MATCH) {
|
|
str = s.strstart - s.insert;
|
|
s.ins_h = s.window[str];
|
|
s.ins_h = HASH(s, s.ins_h, s.window[str + 1]);
|
|
while (s.insert) {
|
|
s.ins_h = HASH(s, s.ins_h, s.window[str + MIN_MATCH - 1]);
|
|
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);
|
|
};
|
|
var deflate_stored = (s, flush) => {
|
|
let min_block = s.pending_buf_size - 5 > s.w_size ? s.w_size : s.pending_buf_size - 5;
|
|
let len, left, have, last = 0;
|
|
let used = s.strm.avail_in;
|
|
do {
|
|
len = 65535;
|
|
have = s.bi_valid + 42 >> 3;
|
|
if (s.strm.avail_out < have) {
|
|
break;
|
|
}
|
|
have = s.strm.avail_out - have;
|
|
left = s.strstart - s.block_start;
|
|
if (len > left + s.strm.avail_in) {
|
|
len = left + s.strm.avail_in;
|
|
}
|
|
if (len > have) {
|
|
len = have;
|
|
}
|
|
if (len < min_block && (len === 0 && flush !== Z_FINISH$3 || flush === Z_NO_FLUSH$2 || len !== left + s.strm.avail_in)) {
|
|
break;
|
|
}
|
|
last = flush === Z_FINISH$3 && len === left + s.strm.avail_in ? 1 : 0;
|
|
_tr_stored_block(s, 0, 0, last);
|
|
s.pending_buf[s.pending - 4] = len;
|
|
s.pending_buf[s.pending - 3] = len >> 8;
|
|
s.pending_buf[s.pending - 2] = ~len;
|
|
s.pending_buf[s.pending - 1] = ~len >> 8;
|
|
flush_pending(s.strm);
|
|
if (left) {
|
|
if (left > len) {
|
|
left = len;
|
|
}
|
|
s.strm.output.set(s.window.subarray(s.block_start, s.block_start + left), s.strm.next_out);
|
|
s.strm.next_out += left;
|
|
s.strm.avail_out -= left;
|
|
s.strm.total_out += left;
|
|
s.block_start += left;
|
|
len -= left;
|
|
}
|
|
if (len) {
|
|
read_buf(s.strm, s.strm.output, s.strm.next_out, len);
|
|
s.strm.next_out += len;
|
|
s.strm.avail_out -= len;
|
|
s.strm.total_out += len;
|
|
}
|
|
} while (last === 0);
|
|
used -= s.strm.avail_in;
|
|
if (used) {
|
|
if (used >= s.w_size) {
|
|
s.matches = 2;
|
|
s.window.set(s.strm.input.subarray(s.strm.next_in - s.w_size, s.strm.next_in), 0);
|
|
s.strstart = s.w_size;
|
|
s.insert = s.strstart;
|
|
} else {
|
|
if (s.window_size - s.strstart <= used) {
|
|
s.strstart -= s.w_size;
|
|
s.window.set(s.window.subarray(s.w_size, s.w_size + s.strstart), 0);
|
|
if (s.matches < 2) {
|
|
s.matches++;
|
|
}
|
|
if (s.insert > s.strstart) {
|
|
s.insert = s.strstart;
|
|
}
|
|
}
|
|
s.window.set(s.strm.input.subarray(s.strm.next_in - used, s.strm.next_in), s.strstart);
|
|
s.strstart += used;
|
|
s.insert += used > s.w_size - s.insert ? s.w_size - s.insert : used;
|
|
}
|
|
s.block_start = s.strstart;
|
|
}
|
|
if (s.high_water < s.strstart) {
|
|
s.high_water = s.strstart;
|
|
}
|
|
if (last) {
|
|
return BS_FINISH_DONE;
|
|
}
|
|
if (flush !== Z_NO_FLUSH$2 && flush !== Z_FINISH$3 && s.strm.avail_in === 0 && s.strstart === s.block_start) {
|
|
return BS_BLOCK_DONE;
|
|
}
|
|
have = s.window_size - s.strstart;
|
|
if (s.strm.avail_in > have && s.block_start >= s.w_size) {
|
|
s.block_start -= s.w_size;
|
|
s.strstart -= s.w_size;
|
|
s.window.set(s.window.subarray(s.w_size, s.w_size + s.strstart), 0);
|
|
if (s.matches < 2) {
|
|
s.matches++;
|
|
}
|
|
have += s.w_size;
|
|
if (s.insert > s.strstart) {
|
|
s.insert = s.strstart;
|
|
}
|
|
}
|
|
if (have > s.strm.avail_in) {
|
|
have = s.strm.avail_in;
|
|
}
|
|
if (have) {
|
|
read_buf(s.strm, s.window, s.strstart, have);
|
|
s.strstart += have;
|
|
s.insert += have > s.w_size - s.insert ? s.w_size - s.insert : have;
|
|
}
|
|
if (s.high_water < s.strstart) {
|
|
s.high_water = s.strstart;
|
|
}
|
|
have = s.bi_valid + 42 >> 3;
|
|
have = s.pending_buf_size - have > 65535 ? 65535 : s.pending_buf_size - have;
|
|
min_block = have > s.w_size ? s.w_size : have;
|
|
left = s.strstart - s.block_start;
|
|
if (left >= min_block || (left || flush === Z_FINISH$3) && flush !== Z_NO_FLUSH$2 && s.strm.avail_in === 0 && left <= have) {
|
|
len = left > have ? have : left;
|
|
last = flush === Z_FINISH$3 && s.strm.avail_in === 0 && len === left ? 1 : 0;
|
|
_tr_stored_block(s, s.block_start, len, last);
|
|
s.block_start += len;
|
|
flush_pending(s.strm);
|
|
}
|
|
return last ? BS_FINISH_STARTED : BS_NEED_MORE;
|
|
};
|
|
var deflate_fast = (s, flush) => {
|
|
let hash_head;
|
|
let bflush;
|
|
for (; ; ) {
|
|
if (s.lookahead < MIN_LOOKAHEAD) {
|
|
fill_window(s);
|
|
if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH$2) {
|
|
return BS_NEED_MORE;
|
|
}
|
|
if (s.lookahead === 0) {
|
|
break;
|
|
}
|
|
}
|
|
hash_head = 0;
|
|
if (s.lookahead >= MIN_MATCH) {
|
|
s.ins_h = HASH(s, s.ins_h, s.window[s.strstart + MIN_MATCH - 1]);
|
|
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 = _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 = HASH(s, s.ins_h, s.window[s.strstart + MIN_MATCH - 1]);
|
|
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 = HASH(s, s.ins_h, s.window[s.strstart + 1]);
|
|
}
|
|
} else {
|
|
bflush = _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$3) {
|
|
flush_block_only(s, true);
|
|
if (s.strm.avail_out === 0) {
|
|
return BS_FINISH_STARTED;
|
|
}
|
|
return BS_FINISH_DONE;
|
|
}
|
|
if (s.sym_next) {
|
|
flush_block_only(s, false);
|
|
if (s.strm.avail_out === 0) {
|
|
return BS_NEED_MORE;
|
|
}
|
|
}
|
|
return BS_BLOCK_DONE;
|
|
};
|
|
var deflate_slow = (s, flush) => {
|
|
let hash_head;
|
|
let bflush;
|
|
let max_insert;
|
|
for (; ; ) {
|
|
if (s.lookahead < MIN_LOOKAHEAD) {
|
|
fill_window(s);
|
|
if (s.lookahead < MIN_LOOKAHEAD && flush === Z_NO_FLUSH$2) {
|
|
return BS_NEED_MORE;
|
|
}
|
|
if (s.lookahead === 0) {
|
|
break;
|
|
}
|
|
}
|
|
hash_head = 0;
|
|
if (s.lookahead >= MIN_MATCH) {
|
|
s.ins_h = HASH(s, s.ins_h, s.window[s.strstart + MIN_MATCH - 1]);
|
|
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 = _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 = HASH(s, s.ins_h, s.window[s.strstart + MIN_MATCH - 1]);
|
|
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 = _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 = _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$3) {
|
|
flush_block_only(s, true);
|
|
if (s.strm.avail_out === 0) {
|
|
return BS_FINISH_STARTED;
|
|
}
|
|
return BS_FINISH_DONE;
|
|
}
|
|
if (s.sym_next) {
|
|
flush_block_only(s, false);
|
|
if (s.strm.avail_out === 0) {
|
|
return BS_NEED_MORE;
|
|
}
|
|
}
|
|
return BS_BLOCK_DONE;
|
|
};
|
|
var deflate_rle = (s, flush) => {
|
|
let bflush;
|
|
let prev;
|
|
let scan, strend;
|
|
const _win = s.window;
|
|
for (; ; ) {
|
|
if (s.lookahead <= MAX_MATCH) {
|
|
fill_window(s);
|
|
if (s.lookahead <= MAX_MATCH && flush === Z_NO_FLUSH$2) {
|
|
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 = _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 = _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$3) {
|
|
flush_block_only(s, true);
|
|
if (s.strm.avail_out === 0) {
|
|
return BS_FINISH_STARTED;
|
|
}
|
|
return BS_FINISH_DONE;
|
|
}
|
|
if (s.sym_next) {
|
|
flush_block_only(s, false);
|
|
if (s.strm.avail_out === 0) {
|
|
return BS_NEED_MORE;
|
|
}
|
|
}
|
|
return BS_BLOCK_DONE;
|
|
};
|
|
var deflate_huff = (s, flush) => {
|
|
let bflush;
|
|
for (; ; ) {
|
|
if (s.lookahead === 0) {
|
|
fill_window(s);
|
|
if (s.lookahead === 0) {
|
|
if (flush === Z_NO_FLUSH$2) {
|
|
return BS_NEED_MORE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
s.match_length = 0;
|
|
bflush = _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$3) {
|
|
flush_block_only(s, true);
|
|
if (s.strm.avail_out === 0) {
|
|
return BS_FINISH_STARTED;
|
|
}
|
|
return BS_FINISH_DONE;
|
|
}
|
|
if (s.sym_next) {
|
|
flush_block_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 = [
|
|
/* good lazy nice chain */
|
|
new Config(0, 0, 0, 0, deflate_stored),
|
|
/* 0 store only */
|
|
new Config(4, 4, 8, 4, deflate_fast),
|
|
/* 1 max speed, no lazy matches */
|
|
new Config(4, 5, 16, 8, deflate_fast),
|
|
/* 2 */
|
|
new Config(4, 6, 32, 32, deflate_fast),
|
|
/* 3 */
|
|
new Config(4, 4, 16, 16, deflate_slow),
|
|
/* 4 lazy matches */
|
|
new Config(8, 16, 32, 32, deflate_slow),
|
|
/* 5 */
|
|
new Config(8, 16, 128, 128, deflate_slow),
|
|
/* 6 */
|
|
new Config(8, 32, 128, 256, deflate_slow),
|
|
/* 7 */
|
|
new Config(32, 128, 258, 1024, deflate_slow),
|
|
/* 8 */
|
|
new Config(32, 258, 258, 4096, deflate_slow)
|
|
/* 9 max compression */
|
|
];
|
|
var 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$2;
|
|
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 Uint16Array(HEAP_SIZE * 2);
|
|
this.dyn_dtree = new Uint16Array((2 * D_CODES + 1) * 2);
|
|
this.bl_tree = new Uint16Array((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 Uint16Array(MAX_BITS + 1);
|
|
this.heap = new Uint16Array(2 * L_CODES + 1);
|
|
zero(this.heap);
|
|
this.heap_len = 0;
|
|
this.heap_max = 0;
|
|
this.depth = new Uint16Array(2 * L_CODES + 1);
|
|
zero(this.depth);
|
|
this.sym_buf = 0;
|
|
this.lit_bufsize = 0;
|
|
this.sym_next = 0;
|
|
this.sym_end = 0;
|
|
this.opt_len = 0;
|
|
this.static_len = 0;
|
|
this.matches = 0;
|
|
this.insert = 0;
|
|
this.bi_buf = 0;
|
|
this.bi_valid = 0;
|
|
}
|
|
var deflateStateCheck = (strm) => {
|
|
if (!strm) {
|
|
return 1;
|
|
}
|
|
const s = strm.state;
|
|
if (!s || s.strm !== strm || s.status !== INIT_STATE && //#ifdef GZIP
|
|
s.status !== GZIP_STATE && //#endif
|
|
s.status !== EXTRA_STATE && s.status !== NAME_STATE && s.status !== COMMENT_STATE && s.status !== HCRC_STATE && s.status !== BUSY_STATE && s.status !== FINISH_STATE) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
};
|
|
var deflateResetKeep = (strm) => {
|
|
if (deflateStateCheck(strm)) {
|
|
return err(strm, Z_STREAM_ERROR$2);
|
|
}
|
|
strm.total_in = strm.total_out = 0;
|
|
strm.data_type = Z_UNKNOWN;
|
|
const s = strm.state;
|
|
s.pending = 0;
|
|
s.pending_out = 0;
|
|
if (s.wrap < 0) {
|
|
s.wrap = -s.wrap;
|
|
}
|
|
s.status = //#ifdef GZIP
|
|
s.wrap === 2 ? GZIP_STATE : (
|
|
//#endif
|
|
s.wrap ? INIT_STATE : BUSY_STATE
|
|
);
|
|
strm.adler = s.wrap === 2 ? 0 : 1;
|
|
s.last_flush = -2;
|
|
_tr_init(s);
|
|
return Z_OK$3;
|
|
};
|
|
var deflateReset = (strm) => {
|
|
const ret = deflateResetKeep(strm);
|
|
if (ret === Z_OK$3) {
|
|
lm_init(strm.state);
|
|
}
|
|
return ret;
|
|
};
|
|
var deflateSetHeader = (strm, head) => {
|
|
if (deflateStateCheck(strm) || strm.state.wrap !== 2) {
|
|
return Z_STREAM_ERROR$2;
|
|
}
|
|
strm.state.gzhead = head;
|
|
return Z_OK$3;
|
|
};
|
|
var deflateInit2 = (strm, level, method, windowBits, memLevel, strategy) => {
|
|
if (!strm) {
|
|
return Z_STREAM_ERROR$2;
|
|
}
|
|
let wrap = 1;
|
|
if (level === Z_DEFAULT_COMPRESSION$1) {
|
|
level = 6;
|
|
}
|
|
if (windowBits < 0) {
|
|
wrap = 0;
|
|
windowBits = -windowBits;
|
|
} else if (windowBits > 15) {
|
|
wrap = 2;
|
|
windowBits -= 16;
|
|
}
|
|
if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method !== Z_DEFLATED$2 || windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED || windowBits === 8 && wrap !== 1) {
|
|
return err(strm, Z_STREAM_ERROR$2);
|
|
}
|
|
if (windowBits === 8) {
|
|
windowBits = 9;
|
|
}
|
|
const s = new DeflateState();
|
|
strm.state = s;
|
|
s.strm = strm;
|
|
s.status = INIT_STATE;
|
|
s.wrap = wrap;
|
|
s.gzhead = null;
|
|
s.w_bits = windowBits;
|
|
s.w_size = 1 << s.w_bits;
|
|
s.w_mask = s.w_size - 1;
|
|
s.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 Uint8Array(s.w_size * 2);
|
|
s.head = new Uint16Array(s.hash_size);
|
|
s.prev = new Uint16Array(s.w_size);
|
|
s.lit_bufsize = 1 << memLevel + 6;
|
|
s.pending_buf_size = s.lit_bufsize * 4;
|
|
s.pending_buf = new Uint8Array(s.pending_buf_size);
|
|
s.sym_buf = s.lit_bufsize;
|
|
s.sym_end = (s.lit_bufsize - 1) * 3;
|
|
s.level = level;
|
|
s.strategy = strategy;
|
|
s.method = method;
|
|
return deflateReset(strm);
|
|
};
|
|
var deflateInit = (strm, level) => {
|
|
return deflateInit2(strm, level, Z_DEFLATED$2, MAX_WBITS$1, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY$1);
|
|
};
|
|
var deflate$2 = (strm, flush) => {
|
|
if (deflateStateCheck(strm) || flush > Z_BLOCK$1 || flush < 0) {
|
|
return strm ? err(strm, Z_STREAM_ERROR$2) : Z_STREAM_ERROR$2;
|
|
}
|
|
const s = strm.state;
|
|
if (!strm.output || strm.avail_in !== 0 && !strm.input || s.status === FINISH_STATE && flush !== Z_FINISH$3) {
|
|
return err(strm, strm.avail_out === 0 ? Z_BUF_ERROR$1 : Z_STREAM_ERROR$2);
|
|
}
|
|
const old_flush = s.last_flush;
|
|
s.last_flush = flush;
|
|
if (s.pending !== 0) {
|
|
flush_pending(strm);
|
|
if (strm.avail_out === 0) {
|
|
s.last_flush = -1;
|
|
return Z_OK$3;
|
|
}
|
|
} else if (strm.avail_in === 0 && rank(flush) <= rank(old_flush) && flush !== Z_FINISH$3) {
|
|
return err(strm, Z_BUF_ERROR$1);
|
|
}
|
|
if (s.status === FINISH_STATE && strm.avail_in !== 0) {
|
|
return err(strm, Z_BUF_ERROR$1);
|
|
}
|
|
if (s.status === INIT_STATE && s.wrap === 0) {
|
|
s.status = BUSY_STATE;
|
|
}
|
|
if (s.status === INIT_STATE) {
|
|
let header = Z_DEFLATED$2 + (s.w_bits - 8 << 4) << 8;
|
|
let 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;
|
|
putShortMSB(s, header);
|
|
if (s.strstart !== 0) {
|
|
putShortMSB(s, strm.adler >>> 16);
|
|
putShortMSB(s, strm.adler & 65535);
|
|
}
|
|
strm.adler = 1;
|
|
s.status = BUSY_STATE;
|
|
flush_pending(strm);
|
|
if (s.pending !== 0) {
|
|
s.last_flush = -1;
|
|
return Z_OK$3;
|
|
}
|
|
}
|
|
if (s.status === GZIP_STATE) {
|
|
strm.adler = 0;
|
|
put_byte(s, 31);
|
|
put_byte(s, 139);
|
|
put_byte(s, 8);
|
|
if (!s.gzhead) {
|
|
put_byte(s, 0);
|
|
put_byte(s, 0);
|
|
put_byte(s, 0);
|
|
put_byte(s, 0);
|
|
put_byte(s, 0);
|
|
put_byte(s, s.level === 9 ? 2 : s.strategy >= Z_HUFFMAN_ONLY || s.level < 2 ? 4 : 0);
|
|
put_byte(s, OS_CODE);
|
|
s.status = BUSY_STATE;
|
|
flush_pending(strm);
|
|
if (s.pending !== 0) {
|
|
s.last_flush = -1;
|
|
return Z_OK$3;
|
|
}
|
|
} 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_1(strm.adler, s.pending_buf, s.pending, 0);
|
|
}
|
|
s.gzindex = 0;
|
|
s.status = EXTRA_STATE;
|
|
}
|
|
}
|
|
if (s.status === EXTRA_STATE) {
|
|
if (s.gzhead.extra) {
|
|
let beg = s.pending;
|
|
let left = (s.gzhead.extra.length & 65535) - s.gzindex;
|
|
while (s.pending + left > s.pending_buf_size) {
|
|
let copy = s.pending_buf_size - s.pending;
|
|
s.pending_buf.set(s.gzhead.extra.subarray(s.gzindex, s.gzindex + copy), s.pending);
|
|
s.pending = s.pending_buf_size;
|
|
if (s.gzhead.hcrc && s.pending > beg) {
|
|
strm.adler = crc32_1(strm.adler, s.pending_buf, s.pending - beg, beg);
|
|
}
|
|
s.gzindex += copy;
|
|
flush_pending(strm);
|
|
if (s.pending !== 0) {
|
|
s.last_flush = -1;
|
|
return Z_OK$3;
|
|
}
|
|
beg = 0;
|
|
left -= copy;
|
|
}
|
|
let gzhead_extra = new Uint8Array(s.gzhead.extra);
|
|
s.pending_buf.set(gzhead_extra.subarray(s.gzindex, s.gzindex + left), s.pending);
|
|
s.pending += left;
|
|
if (s.gzhead.hcrc && s.pending > beg) {
|
|
strm.adler = crc32_1(strm.adler, s.pending_buf, s.pending - beg, beg);
|
|
}
|
|
s.gzindex = 0;
|
|
}
|
|
s.status = NAME_STATE;
|
|
}
|
|
if (s.status === NAME_STATE) {
|
|
if (s.gzhead.name) {
|
|
let beg = s.pending;
|
|
let val;
|
|
do {
|
|
if (s.pending === s.pending_buf_size) {
|
|
if (s.gzhead.hcrc && s.pending > beg) {
|
|
strm.adler = crc32_1(strm.adler, s.pending_buf, s.pending - beg, beg);
|
|
}
|
|
flush_pending(strm);
|
|
if (s.pending !== 0) {
|
|
s.last_flush = -1;
|
|
return Z_OK$3;
|
|
}
|
|
beg = 0;
|
|
}
|
|
if (s.gzindex < s.gzhead.name.length) {
|
|
val = s.gzhead.name.charCodeAt(s.gzindex++) & 255;
|
|
} else {
|
|
val = 0;
|
|
}
|
|
put_byte(s, val);
|
|
} while (val !== 0);
|
|
if (s.gzhead.hcrc && s.pending > beg) {
|
|
strm.adler = crc32_1(strm.adler, s.pending_buf, s.pending - beg, beg);
|
|
}
|
|
s.gzindex = 0;
|
|
}
|
|
s.status = COMMENT_STATE;
|
|
}
|
|
if (s.status === COMMENT_STATE) {
|
|
if (s.gzhead.comment) {
|
|
let beg = s.pending;
|
|
let val;
|
|
do {
|
|
if (s.pending === s.pending_buf_size) {
|
|
if (s.gzhead.hcrc && s.pending > beg) {
|
|
strm.adler = crc32_1(strm.adler, s.pending_buf, s.pending - beg, beg);
|
|
}
|
|
flush_pending(strm);
|
|
if (s.pending !== 0) {
|
|
s.last_flush = -1;
|
|
return Z_OK$3;
|
|
}
|
|
beg = 0;
|
|
}
|
|
if (s.gzindex < s.gzhead.comment.length) {
|
|
val = s.gzhead.comment.charCodeAt(s.gzindex++) & 255;
|
|
} else {
|
|
val = 0;
|
|
}
|
|
put_byte(s, val);
|
|
} while (val !== 0);
|
|
if (s.gzhead.hcrc && s.pending > beg) {
|
|
strm.adler = crc32_1(strm.adler, s.pending_buf, s.pending - beg, beg);
|
|
}
|
|
}
|
|
s.status = HCRC_STATE;
|
|
}
|
|
if (s.status === HCRC_STATE) {
|
|
if (s.gzhead.hcrc) {
|
|
if (s.pending + 2 > s.pending_buf_size) {
|
|
flush_pending(strm);
|
|
if (s.pending !== 0) {
|
|
s.last_flush = -1;
|
|
return Z_OK$3;
|
|
}
|
|
}
|
|
put_byte(s, strm.adler & 255);
|
|
put_byte(s, strm.adler >> 8 & 255);
|
|
strm.adler = 0;
|
|
}
|
|
s.status = BUSY_STATE;
|
|
flush_pending(strm);
|
|
if (s.pending !== 0) {
|
|
s.last_flush = -1;
|
|
return Z_OK$3;
|
|
}
|
|
}
|
|
if (strm.avail_in !== 0 || s.lookahead !== 0 || flush !== Z_NO_FLUSH$2 && s.status !== FINISH_STATE) {
|
|
let bstate = s.level === 0 ? deflate_stored(s, flush) : 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$3;
|
|
}
|
|
if (bstate === BS_BLOCK_DONE) {
|
|
if (flush === Z_PARTIAL_FLUSH) {
|
|
_tr_align(s);
|
|
} else if (flush !== Z_BLOCK$1) {
|
|
_tr_stored_block(s, 0, 0, false);
|
|
if (flush === Z_FULL_FLUSH$1) {
|
|
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$3;
|
|
}
|
|
}
|
|
}
|
|
if (flush !== Z_FINISH$3) {
|
|
return Z_OK$3;
|
|
}
|
|
if (s.wrap <= 0) {
|
|
return Z_STREAM_END$3;
|
|
}
|
|
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$3 : Z_STREAM_END$3;
|
|
};
|
|
var deflateEnd = (strm) => {
|
|
if (deflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR$2;
|
|
}
|
|
const status = strm.state.status;
|
|
strm.state = null;
|
|
return status === BUSY_STATE ? err(strm, Z_DATA_ERROR$2) : Z_OK$3;
|
|
};
|
|
var deflateSetDictionary = (strm, dictionary) => {
|
|
let dictLength = dictionary.length;
|
|
if (deflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR$2;
|
|
}
|
|
const s = strm.state;
|
|
const wrap = s.wrap;
|
|
if (wrap === 2 || wrap === 1 && s.status !== INIT_STATE || s.lookahead) {
|
|
return Z_STREAM_ERROR$2;
|
|
}
|
|
if (wrap === 1) {
|
|
strm.adler = adler32_1(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;
|
|
}
|
|
let tmpDict = new Uint8Array(s.w_size);
|
|
tmpDict.set(dictionary.subarray(dictLength - s.w_size, dictLength), 0);
|
|
dictionary = tmpDict;
|
|
dictLength = s.w_size;
|
|
}
|
|
const avail = strm.avail_in;
|
|
const next = strm.next_in;
|
|
const input = strm.input;
|
|
strm.avail_in = dictLength;
|
|
strm.next_in = 0;
|
|
strm.input = dictionary;
|
|
fill_window(s);
|
|
while (s.lookahead >= MIN_MATCH) {
|
|
let str = s.strstart;
|
|
let n = s.lookahead - (MIN_MATCH - 1);
|
|
do {
|
|
s.ins_h = HASH(s, s.ins_h, s.window[str + MIN_MATCH - 1]);
|
|
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$3;
|
|
};
|
|
var deflateInit_1 = deflateInit;
|
|
var deflateInit2_1 = deflateInit2;
|
|
var deflateReset_1 = deflateReset;
|
|
var deflateResetKeep_1 = deflateResetKeep;
|
|
var deflateSetHeader_1 = deflateSetHeader;
|
|
var deflate_2$1 = deflate$2;
|
|
var deflateEnd_1 = deflateEnd;
|
|
var deflateSetDictionary_1 = deflateSetDictionary;
|
|
var deflateInfo = "pako deflate (from Nodeca project)";
|
|
var deflate_1$2 = {
|
|
deflateInit: deflateInit_1,
|
|
deflateInit2: deflateInit2_1,
|
|
deflateReset: deflateReset_1,
|
|
deflateResetKeep: deflateResetKeep_1,
|
|
deflateSetHeader: deflateSetHeader_1,
|
|
deflate: deflate_2$1,
|
|
deflateEnd: deflateEnd_1,
|
|
deflateSetDictionary: deflateSetDictionary_1,
|
|
deflateInfo
|
|
};
|
|
var _has = (obj, key) => {
|
|
return Object.prototype.hasOwnProperty.call(obj, key);
|
|
};
|
|
var assign = function(obj) {
|
|
const sources = Array.prototype.slice.call(arguments, 1);
|
|
while (sources.length) {
|
|
const source = sources.shift();
|
|
if (!source) {
|
|
continue;
|
|
}
|
|
if (typeof source !== "object") {
|
|
throw new TypeError(source + "must be non-object");
|
|
}
|
|
for (const p in source) {
|
|
if (_has(source, p)) {
|
|
obj[p] = source[p];
|
|
}
|
|
}
|
|
}
|
|
return obj;
|
|
};
|
|
var flattenChunks = (chunks) => {
|
|
let len = 0;
|
|
for (let i = 0, l = chunks.length; i < l; i++) {
|
|
len += chunks[i].length;
|
|
}
|
|
const result = new Uint8Array(len);
|
|
for (let i = 0, pos = 0, l = chunks.length; i < l; i++) {
|
|
let chunk = chunks[i];
|
|
result.set(chunk, pos);
|
|
pos += chunk.length;
|
|
}
|
|
return result;
|
|
};
|
|
var common = {
|
|
assign,
|
|
flattenChunks
|
|
};
|
|
var STR_APPLY_UIA_OK = true;
|
|
try {
|
|
String.fromCharCode.apply(null, new Uint8Array(1));
|
|
} catch (__) {
|
|
STR_APPLY_UIA_OK = false;
|
|
}
|
|
var _utf8len = new Uint8Array(256);
|
|
for (let q = 0; q < 256; q++) {
|
|
_utf8len[q] = q >= 252 ? 6 : q >= 248 ? 5 : q >= 240 ? 4 : q >= 224 ? 3 : q >= 192 ? 2 : 1;
|
|
}
|
|
_utf8len[254] = _utf8len[254] = 1;
|
|
var string2buf = (str) => {
|
|
if (typeof TextEncoder === "function" && TextEncoder.prototype.encode) {
|
|
return new TextEncoder().encode(str);
|
|
}
|
|
let buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
|
|
for (m_pos = 0; m_pos < str_len; m_pos++) {
|
|
c = str.charCodeAt(m_pos);
|
|
if ((c & 64512) === 55296 && m_pos + 1 < str_len) {
|
|
c2 = str.charCodeAt(m_pos + 1);
|
|
if ((c2 & 64512) === 56320) {
|
|
c = 65536 + (c - 55296 << 10) + (c2 - 56320);
|
|
m_pos++;
|
|
}
|
|
}
|
|
buf_len += c < 128 ? 1 : c < 2048 ? 2 : c < 65536 ? 3 : 4;
|
|
}
|
|
buf = new Uint8Array(buf_len);
|
|
for (i = 0, m_pos = 0; i < buf_len; m_pos++) {
|
|
c = str.charCodeAt(m_pos);
|
|
if ((c & 64512) === 55296 && m_pos + 1 < str_len) {
|
|
c2 = str.charCodeAt(m_pos + 1);
|
|
if ((c2 & 64512) === 56320) {
|
|
c = 65536 + (c - 55296 << 10) + (c2 - 56320);
|
|
m_pos++;
|
|
}
|
|
}
|
|
if (c < 128) {
|
|
buf[i++] = c;
|
|
} else if (c < 2048) {
|
|
buf[i++] = 192 | c >>> 6;
|
|
buf[i++] = 128 | c & 63;
|
|
} else if (c < 65536) {
|
|
buf[i++] = 224 | c >>> 12;
|
|
buf[i++] = 128 | c >>> 6 & 63;
|
|
buf[i++] = 128 | c & 63;
|
|
} else {
|
|
buf[i++] = 240 | c >>> 18;
|
|
buf[i++] = 128 | c >>> 12 & 63;
|
|
buf[i++] = 128 | c >>> 6 & 63;
|
|
buf[i++] = 128 | c & 63;
|
|
}
|
|
}
|
|
return buf;
|
|
};
|
|
var buf2binstring = (buf, len) => {
|
|
if (len < 65534) {
|
|
if (buf.subarray && STR_APPLY_UIA_OK) {
|
|
return String.fromCharCode.apply(null, buf.length === len ? buf : buf.subarray(0, len));
|
|
}
|
|
}
|
|
let result = "";
|
|
for (let i = 0; i < len; i++) {
|
|
result += String.fromCharCode(buf[i]);
|
|
}
|
|
return result;
|
|
};
|
|
var buf2string = (buf, max) => {
|
|
const len = max || buf.length;
|
|
if (typeof TextDecoder === "function" && TextDecoder.prototype.decode) {
|
|
return new TextDecoder().decode(buf.subarray(0, max));
|
|
}
|
|
let i, out;
|
|
const utf16buf = new Array(len * 2);
|
|
for (out = 0, i = 0; i < len; ) {
|
|
let c = buf[i++];
|
|
if (c < 128) {
|
|
utf16buf[out++] = c;
|
|
continue;
|
|
}
|
|
let c_len = _utf8len[c];
|
|
if (c_len > 4) {
|
|
utf16buf[out++] = 65533;
|
|
i += c_len - 1;
|
|
continue;
|
|
}
|
|
c &= c_len === 2 ? 31 : c_len === 3 ? 15 : 7;
|
|
while (c_len > 1 && i < len) {
|
|
c = c << 6 | buf[i++] & 63;
|
|
c_len--;
|
|
}
|
|
if (c_len > 1) {
|
|
utf16buf[out++] = 65533;
|
|
continue;
|
|
}
|
|
if (c < 65536) {
|
|
utf16buf[out++] = c;
|
|
} else {
|
|
c -= 65536;
|
|
utf16buf[out++] = 55296 | c >> 10 & 1023;
|
|
utf16buf[out++] = 56320 | c & 1023;
|
|
}
|
|
}
|
|
return buf2binstring(utf16buf, out);
|
|
};
|
|
var utf8border = (buf, max) => {
|
|
max = max || buf.length;
|
|
if (max > buf.length) {
|
|
max = buf.length;
|
|
}
|
|
let pos = max - 1;
|
|
while (pos >= 0 && (buf[pos] & 192) === 128) {
|
|
pos--;
|
|
}
|
|
if (pos < 0) {
|
|
return max;
|
|
}
|
|
if (pos === 0) {
|
|
return max;
|
|
}
|
|
return pos + _utf8len[buf[pos]] > max ? pos : max;
|
|
};
|
|
var strings = {
|
|
string2buf,
|
|
buf2string,
|
|
utf8border
|
|
};
|
|
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;
|
|
}
|
|
var zstream = ZStream;
|
|
var toString$1 = Object.prototype.toString;
|
|
var {
|
|
Z_NO_FLUSH: Z_NO_FLUSH$1,
|
|
Z_SYNC_FLUSH,
|
|
Z_FULL_FLUSH,
|
|
Z_FINISH: Z_FINISH$2,
|
|
Z_OK: Z_OK$2,
|
|
Z_STREAM_END: Z_STREAM_END$2,
|
|
Z_DEFAULT_COMPRESSION,
|
|
Z_DEFAULT_STRATEGY,
|
|
Z_DEFLATED: Z_DEFLATED$1
|
|
} = constants$2;
|
|
function Deflate$1(options) {
|
|
this.options = common.assign({
|
|
level: Z_DEFAULT_COMPRESSION,
|
|
method: Z_DEFLATED$1,
|
|
chunkSize: 16384,
|
|
windowBits: 15,
|
|
memLevel: 8,
|
|
strategy: Z_DEFAULT_STRATEGY
|
|
}, options || {});
|
|
let opt = this.options;
|
|
if (opt.raw && opt.windowBits > 0) {
|
|
opt.windowBits = -opt.windowBits;
|
|
} else if (opt.gzip && opt.windowBits > 0 && opt.windowBits < 16) {
|
|
opt.windowBits += 16;
|
|
}
|
|
this.err = 0;
|
|
this.msg = "";
|
|
this.ended = false;
|
|
this.chunks = [];
|
|
this.strm = new zstream();
|
|
this.strm.avail_out = 0;
|
|
let status = deflate_1$2.deflateInit2(
|
|
this.strm,
|
|
opt.level,
|
|
opt.method,
|
|
opt.windowBits,
|
|
opt.memLevel,
|
|
opt.strategy
|
|
);
|
|
if (status !== Z_OK$2) {
|
|
throw new Error(messages[status]);
|
|
}
|
|
if (opt.header) {
|
|
deflate_1$2.deflateSetHeader(this.strm, opt.header);
|
|
}
|
|
if (opt.dictionary) {
|
|
let dict;
|
|
if (typeof opt.dictionary === "string") {
|
|
dict = strings.string2buf(opt.dictionary);
|
|
} else if (toString$1.call(opt.dictionary) === "[object ArrayBuffer]") {
|
|
dict = new Uint8Array(opt.dictionary);
|
|
} else {
|
|
dict = opt.dictionary;
|
|
}
|
|
status = deflate_1$2.deflateSetDictionary(this.strm, dict);
|
|
if (status !== Z_OK$2) {
|
|
throw new Error(messages[status]);
|
|
}
|
|
this._dict_set = true;
|
|
}
|
|
}
|
|
Deflate$1.prototype.push = function(data, flush_mode) {
|
|
const strm = this.strm;
|
|
const chunkSize = this.options.chunkSize;
|
|
let status, _flush_mode;
|
|
if (this.ended) {
|
|
return false;
|
|
}
|
|
if (flush_mode === ~~flush_mode) _flush_mode = flush_mode;
|
|
else _flush_mode = flush_mode === true ? Z_FINISH$2 : Z_NO_FLUSH$1;
|
|
if (typeof data === "string") {
|
|
strm.input = strings.string2buf(data);
|
|
} else if (toString$1.call(data) === "[object ArrayBuffer]") {
|
|
strm.input = new Uint8Array(data);
|
|
} else {
|
|
strm.input = data;
|
|
}
|
|
strm.next_in = 0;
|
|
strm.avail_in = strm.input.length;
|
|
for (; ; ) {
|
|
if (strm.avail_out === 0) {
|
|
strm.output = new Uint8Array(chunkSize);
|
|
strm.next_out = 0;
|
|
strm.avail_out = chunkSize;
|
|
}
|
|
if ((_flush_mode === Z_SYNC_FLUSH || _flush_mode === Z_FULL_FLUSH) && strm.avail_out <= 6) {
|
|
this.onData(strm.output.subarray(0, strm.next_out));
|
|
strm.avail_out = 0;
|
|
continue;
|
|
}
|
|
status = deflate_1$2.deflate(strm, _flush_mode);
|
|
if (status === Z_STREAM_END$2) {
|
|
if (strm.next_out > 0) {
|
|
this.onData(strm.output.subarray(0, strm.next_out));
|
|
}
|
|
status = deflate_1$2.deflateEnd(this.strm);
|
|
this.onEnd(status);
|
|
this.ended = true;
|
|
return status === Z_OK$2;
|
|
}
|
|
if (strm.avail_out === 0) {
|
|
this.onData(strm.output);
|
|
continue;
|
|
}
|
|
if (_flush_mode > 0 && strm.next_out > 0) {
|
|
this.onData(strm.output.subarray(0, strm.next_out));
|
|
strm.avail_out = 0;
|
|
continue;
|
|
}
|
|
if (strm.avail_in === 0) break;
|
|
}
|
|
return true;
|
|
};
|
|
Deflate$1.prototype.onData = function(chunk) {
|
|
this.chunks.push(chunk);
|
|
};
|
|
Deflate$1.prototype.onEnd = function(status) {
|
|
if (status === Z_OK$2) {
|
|
this.result = common.flattenChunks(this.chunks);
|
|
}
|
|
this.chunks = [];
|
|
this.err = status;
|
|
this.msg = this.strm.msg;
|
|
};
|
|
function deflate$1(input, options) {
|
|
const deflator = new Deflate$1(options);
|
|
deflator.push(input, true);
|
|
if (deflator.err) {
|
|
throw deflator.msg || messages[deflator.err];
|
|
}
|
|
return deflator.result;
|
|
}
|
|
function deflateRaw$1(input, options) {
|
|
options = options || {};
|
|
options.raw = true;
|
|
return deflate$1(input, options);
|
|
}
|
|
function gzip$1(input, options) {
|
|
options = options || {};
|
|
options.gzip = true;
|
|
return deflate$1(input, options);
|
|
}
|
|
var Deflate_1$1 = Deflate$1;
|
|
var deflate_2 = deflate$1;
|
|
var deflateRaw_1$1 = deflateRaw$1;
|
|
var gzip_1$1 = gzip$1;
|
|
var constants$1 = constants$2;
|
|
var deflate_1$1 = {
|
|
Deflate: Deflate_1$1,
|
|
deflate: deflate_2,
|
|
deflateRaw: deflateRaw_1$1,
|
|
gzip: gzip_1$1,
|
|
constants: constants$1
|
|
};
|
|
var BAD$1 = 16209;
|
|
var TYPE$1 = 16191;
|
|
var inffast = function inflate_fast(strm, start) {
|
|
let _in;
|
|
let last;
|
|
let _out;
|
|
let beg;
|
|
let end;
|
|
let dmax;
|
|
let wsize;
|
|
let whave;
|
|
let wnext;
|
|
let s_window;
|
|
let hold;
|
|
let bits;
|
|
let lcode;
|
|
let dcode;
|
|
let lmask;
|
|
let dmask;
|
|
let here;
|
|
let op;
|
|
let len;
|
|
let dist;
|
|
let from;
|
|
let from_source;
|
|
let input, output;
|
|
const state = strm.state;
|
|
_in = strm.next_in;
|
|
input = strm.input;
|
|
last = _in + (strm.avail_in - 5);
|
|
_out = strm.next_out;
|
|
output = strm.output;
|
|
beg = _out - (start - strm.avail_out);
|
|
end = _out + (strm.avail_out - 257);
|
|
dmax = state.dmax;
|
|
wsize = state.wsize;
|
|
whave = state.whave;
|
|
wnext = state.wnext;
|
|
s_window = state.window;
|
|
hold = state.hold;
|
|
bits = state.bits;
|
|
lcode = state.lencode;
|
|
dcode = state.distcode;
|
|
lmask = (1 << state.lenbits) - 1;
|
|
dmask = (1 << state.distbits) - 1;
|
|
top:
|
|
do {
|
|
if (bits < 15) {
|
|
hold += input[_in++] << bits;
|
|
bits += 8;
|
|
hold += input[_in++] << bits;
|
|
bits += 8;
|
|
}
|
|
here = lcode[hold & lmask];
|
|
dolen:
|
|
for (; ; ) {
|
|
op = here >>> 24;
|
|
hold >>>= op;
|
|
bits -= op;
|
|
op = here >>> 16 & 255;
|
|
if (op === 0) {
|
|
output[_out++] = here & 65535;
|
|
} else if (op & 16) {
|
|
len = here & 65535;
|
|
op &= 15;
|
|
if (op) {
|
|
if (bits < op) {
|
|
hold += input[_in++] << bits;
|
|
bits += 8;
|
|
}
|
|
len += hold & (1 << op) - 1;
|
|
hold >>>= op;
|
|
bits -= op;
|
|
}
|
|
if (bits < 15) {
|
|
hold += input[_in++] << bits;
|
|
bits += 8;
|
|
hold += input[_in++] << bits;
|
|
bits += 8;
|
|
}
|
|
here = dcode[hold & dmask];
|
|
dodist:
|
|
for (; ; ) {
|
|
op = here >>> 24;
|
|
hold >>>= op;
|
|
bits -= op;
|
|
op = here >>> 16 & 255;
|
|
if (op & 16) {
|
|
dist = here & 65535;
|
|
op &= 15;
|
|
if (bits < op) {
|
|
hold += input[_in++] << bits;
|
|
bits += 8;
|
|
if (bits < op) {
|
|
hold += input[_in++] << bits;
|
|
bits += 8;
|
|
}
|
|
}
|
|
dist += hold & (1 << op) - 1;
|
|
if (dist > dmax) {
|
|
strm.msg = "invalid distance too far back";
|
|
state.mode = BAD$1;
|
|
break top;
|
|
}
|
|
hold >>>= op;
|
|
bits -= op;
|
|
op = _out - beg;
|
|
if (dist > op) {
|
|
op = dist - op;
|
|
if (op > whave) {
|
|
if (state.sane) {
|
|
strm.msg = "invalid distance too far back";
|
|
state.mode = BAD$1;
|
|
break top;
|
|
}
|
|
}
|
|
from = 0;
|
|
from_source = s_window;
|
|
if (wnext === 0) {
|
|
from += wsize - op;
|
|
if (op < len) {
|
|
len -= op;
|
|
do {
|
|
output[_out++] = s_window[from++];
|
|
} while (--op);
|
|
from = _out - dist;
|
|
from_source = output;
|
|
}
|
|
} else if (wnext < op) {
|
|
from += wsize + wnext - op;
|
|
op -= wnext;
|
|
if (op < len) {
|
|
len -= op;
|
|
do {
|
|
output[_out++] = s_window[from++];
|
|
} while (--op);
|
|
from = 0;
|
|
if (wnext < len) {
|
|
op = wnext;
|
|
len -= op;
|
|
do {
|
|
output[_out++] = s_window[from++];
|
|
} while (--op);
|
|
from = _out - dist;
|
|
from_source = output;
|
|
}
|
|
}
|
|
} else {
|
|
from += wnext - op;
|
|
if (op < len) {
|
|
len -= op;
|
|
do {
|
|
output[_out++] = s_window[from++];
|
|
} while (--op);
|
|
from = _out - dist;
|
|
from_source = output;
|
|
}
|
|
}
|
|
while (len > 2) {
|
|
output[_out++] = from_source[from++];
|
|
output[_out++] = from_source[from++];
|
|
output[_out++] = from_source[from++];
|
|
len -= 3;
|
|
}
|
|
if (len) {
|
|
output[_out++] = from_source[from++];
|
|
if (len > 1) {
|
|
output[_out++] = from_source[from++];
|
|
}
|
|
}
|
|
} else {
|
|
from = _out - dist;
|
|
do {
|
|
output[_out++] = output[from++];
|
|
output[_out++] = output[from++];
|
|
output[_out++] = output[from++];
|
|
len -= 3;
|
|
} while (len > 2);
|
|
if (len) {
|
|
output[_out++] = output[from++];
|
|
if (len > 1) {
|
|
output[_out++] = output[from++];
|
|
}
|
|
}
|
|
}
|
|
} else if ((op & 64) === 0) {
|
|
here = dcode[(here & 65535) + (hold & (1 << op) - 1)];
|
|
continue dodist;
|
|
} else {
|
|
strm.msg = "invalid distance code";
|
|
state.mode = BAD$1;
|
|
break top;
|
|
}
|
|
break;
|
|
}
|
|
} else if ((op & 64) === 0) {
|
|
here = lcode[(here & 65535) + (hold & (1 << op) - 1)];
|
|
continue dolen;
|
|
} else if (op & 32) {
|
|
state.mode = TYPE$1;
|
|
break top;
|
|
} else {
|
|
strm.msg = "invalid literal/length code";
|
|
state.mode = BAD$1;
|
|
break top;
|
|
}
|
|
break;
|
|
}
|
|
} while (_in < last && _out < end);
|
|
len = bits >> 3;
|
|
_in -= len;
|
|
bits -= len << 3;
|
|
hold &= (1 << bits) - 1;
|
|
strm.next_in = _in;
|
|
strm.next_out = _out;
|
|
strm.avail_in = _in < last ? 5 + (last - _in) : 5 - (_in - last);
|
|
strm.avail_out = _out < end ? 257 + (end - _out) : 257 - (_out - end);
|
|
state.hold = hold;
|
|
state.bits = bits;
|
|
return;
|
|
};
|
|
var MAXBITS = 15;
|
|
var ENOUGH_LENS$1 = 852;
|
|
var ENOUGH_DISTS$1 = 592;
|
|
var CODES$1 = 0;
|
|
var LENS$1 = 1;
|
|
var DISTS$1 = 2;
|
|
var lbase = new Uint16Array([
|
|
/* Length codes 257..285 base */
|
|
3,
|
|
4,
|
|
5,
|
|
6,
|
|
7,
|
|
8,
|
|
9,
|
|
10,
|
|
11,
|
|
13,
|
|
15,
|
|
17,
|
|
19,
|
|
23,
|
|
27,
|
|
31,
|
|
35,
|
|
43,
|
|
51,
|
|
59,
|
|
67,
|
|
83,
|
|
99,
|
|
115,
|
|
131,
|
|
163,
|
|
195,
|
|
227,
|
|
258,
|
|
0,
|
|
0
|
|
]);
|
|
var lext = new Uint8Array([
|
|
/* Length codes 257..285 extra */
|
|
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 = new Uint16Array([
|
|
/* Distance codes 0..29 base */
|
|
1,
|
|
2,
|
|
3,
|
|
4,
|
|
5,
|
|
7,
|
|
9,
|
|
13,
|
|
17,
|
|
25,
|
|
33,
|
|
49,
|
|
65,
|
|
97,
|
|
129,
|
|
193,
|
|
257,
|
|
385,
|
|
513,
|
|
769,
|
|
1025,
|
|
1537,
|
|
2049,
|
|
3073,
|
|
4097,
|
|
6145,
|
|
8193,
|
|
12289,
|
|
16385,
|
|
24577,
|
|
0,
|
|
0
|
|
]);
|
|
var dext = new Uint8Array([
|
|
/* Distance codes 0..29 extra */
|
|
16,
|
|
16,
|
|
16,
|
|
16,
|
|
17,
|
|
17,
|
|
18,
|
|
18,
|
|
19,
|
|
19,
|
|
20,
|
|
20,
|
|
21,
|
|
21,
|
|
22,
|
|
22,
|
|
23,
|
|
23,
|
|
24,
|
|
24,
|
|
25,
|
|
25,
|
|
26,
|
|
26,
|
|
27,
|
|
27,
|
|
28,
|
|
28,
|
|
29,
|
|
29,
|
|
64,
|
|
64
|
|
]);
|
|
var inflate_table = (type, lens, lens_index, codes, table, table_index, work, opts) => {
|
|
const bits = opts.bits;
|
|
let len = 0;
|
|
let sym = 0;
|
|
let min = 0, max = 0;
|
|
let root = 0;
|
|
let curr = 0;
|
|
let drop = 0;
|
|
let left = 0;
|
|
let used = 0;
|
|
let huff = 0;
|
|
let incr;
|
|
let fill;
|
|
let low;
|
|
let mask;
|
|
let next;
|
|
let base = null;
|
|
let match;
|
|
const count = new Uint16Array(MAXBITS + 1);
|
|
const offs = new Uint16Array(MAXBITS + 1);
|
|
let extra = null;
|
|
let here_bits, here_op, here_val;
|
|
for (len = 0; len <= MAXBITS; len++) {
|
|
count[len] = 0;
|
|
}
|
|
for (sym = 0; sym < codes; sym++) {
|
|
count[lens[lens_index + sym]]++;
|
|
}
|
|
root = bits;
|
|
for (max = MAXBITS; max >= 1; max--) {
|
|
if (count[max] !== 0) {
|
|
break;
|
|
}
|
|
}
|
|
if (root > max) {
|
|
root = max;
|
|
}
|
|
if (max === 0) {
|
|
table[table_index++] = 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$1 || max !== 1)) {
|
|
return -1;
|
|
}
|
|
offs[1] = 0;
|
|
for (len = 1; len < MAXBITS; len++) {
|
|
offs[len + 1] = offs[len] + count[len];
|
|
}
|
|
for (sym = 0; sym < codes; sym++) {
|
|
if (lens[lens_index + sym] !== 0) {
|
|
work[offs[lens[lens_index + sym]]++] = sym;
|
|
}
|
|
}
|
|
if (type === CODES$1) {
|
|
base = extra = work;
|
|
match = 20;
|
|
} else if (type === LENS$1) {
|
|
base = lbase;
|
|
extra = lext;
|
|
match = 257;
|
|
} else {
|
|
base = dbase;
|
|
extra = dext;
|
|
match = 0;
|
|
}
|
|
huff = 0;
|
|
sym = 0;
|
|
len = min;
|
|
next = table_index;
|
|
curr = root;
|
|
drop = 0;
|
|
low = -1;
|
|
used = 1 << root;
|
|
mask = used - 1;
|
|
if (type === LENS$1 && used > ENOUGH_LENS$1 || type === DISTS$1 && used > ENOUGH_DISTS$1) {
|
|
return 1;
|
|
}
|
|
for (; ; ) {
|
|
here_bits = len - drop;
|
|
if (work[sym] + 1 < match) {
|
|
here_op = 0;
|
|
here_val = work[sym];
|
|
} else if (work[sym] >= match) {
|
|
here_op = extra[work[sym] - match];
|
|
here_val = base[work[sym] - match];
|
|
} else {
|
|
here_op = 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$1 && used > ENOUGH_LENS$1 || type === DISTS$1 && used > ENOUGH_DISTS$1) {
|
|
return 1;
|
|
}
|
|
low = huff & mask;
|
|
table[low] = root << 24 | curr << 16 | next - table_index | 0;
|
|
}
|
|
}
|
|
if (huff !== 0) {
|
|
table[next + huff] = len - drop << 24 | 64 << 16 | 0;
|
|
}
|
|
opts.bits = root;
|
|
return 0;
|
|
};
|
|
var inftrees = inflate_table;
|
|
var CODES = 0;
|
|
var LENS = 1;
|
|
var DISTS = 2;
|
|
var {
|
|
Z_FINISH: Z_FINISH$1,
|
|
Z_BLOCK,
|
|
Z_TREES,
|
|
Z_OK: Z_OK$1,
|
|
Z_STREAM_END: Z_STREAM_END$1,
|
|
Z_NEED_DICT: Z_NEED_DICT$1,
|
|
Z_STREAM_ERROR: Z_STREAM_ERROR$1,
|
|
Z_DATA_ERROR: Z_DATA_ERROR$1,
|
|
Z_MEM_ERROR: Z_MEM_ERROR$1,
|
|
Z_BUF_ERROR,
|
|
Z_DEFLATED
|
|
} = constants$2;
|
|
var HEAD = 16180;
|
|
var FLAGS = 16181;
|
|
var TIME = 16182;
|
|
var OS = 16183;
|
|
var EXLEN = 16184;
|
|
var EXTRA = 16185;
|
|
var NAME = 16186;
|
|
var COMMENT = 16187;
|
|
var HCRC = 16188;
|
|
var DICTID = 16189;
|
|
var DICT = 16190;
|
|
var TYPE = 16191;
|
|
var TYPEDO = 16192;
|
|
var STORED = 16193;
|
|
var COPY_ = 16194;
|
|
var COPY = 16195;
|
|
var TABLE = 16196;
|
|
var LENLENS = 16197;
|
|
var CODELENS = 16198;
|
|
var LEN_ = 16199;
|
|
var LEN = 16200;
|
|
var LENEXT = 16201;
|
|
var DIST = 16202;
|
|
var DISTEXT = 16203;
|
|
var MATCH = 16204;
|
|
var LIT = 16205;
|
|
var CHECK = 16206;
|
|
var LENGTH = 16207;
|
|
var DONE = 16208;
|
|
var BAD = 16209;
|
|
var MEM = 16210;
|
|
var SYNC = 16211;
|
|
var ENOUGH_LENS = 852;
|
|
var ENOUGH_DISTS = 592;
|
|
var MAX_WBITS = 15;
|
|
var DEF_WBITS = MAX_WBITS;
|
|
var zswap32 = (q) => {
|
|
return (q >>> 24 & 255) + (q >>> 8 & 65280) + ((q & 65280) << 8) + ((q & 255) << 24);
|
|
};
|
|
function InflateState() {
|
|
this.strm = null;
|
|
this.mode = 0;
|
|
this.last = false;
|
|
this.wrap = 0;
|
|
this.havedict = false;
|
|
this.flags = 0;
|
|
this.dmax = 0;
|
|
this.check = 0;
|
|
this.total = 0;
|
|
this.head = null;
|
|
this.wbits = 0;
|
|
this.wsize = 0;
|
|
this.whave = 0;
|
|
this.wnext = 0;
|
|
this.window = null;
|
|
this.hold = 0;
|
|
this.bits = 0;
|
|
this.length = 0;
|
|
this.offset = 0;
|
|
this.extra = 0;
|
|
this.lencode = null;
|
|
this.distcode = null;
|
|
this.lenbits = 0;
|
|
this.distbits = 0;
|
|
this.ncode = 0;
|
|
this.nlen = 0;
|
|
this.ndist = 0;
|
|
this.have = 0;
|
|
this.next = null;
|
|
this.lens = new Uint16Array(320);
|
|
this.work = new Uint16Array(288);
|
|
this.lendyn = null;
|
|
this.distdyn = null;
|
|
this.sane = 0;
|
|
this.back = 0;
|
|
this.was = 0;
|
|
}
|
|
var inflateStateCheck = (strm) => {
|
|
if (!strm) {
|
|
return 1;
|
|
}
|
|
const state = strm.state;
|
|
if (!state || state.strm !== strm || state.mode < HEAD || state.mode > SYNC) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
};
|
|
var inflateResetKeep = (strm) => {
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
const state = strm.state;
|
|
strm.total_in = strm.total_out = state.total = 0;
|
|
strm.msg = "";
|
|
if (state.wrap) {
|
|
strm.adler = state.wrap & 1;
|
|
}
|
|
state.mode = HEAD;
|
|
state.last = 0;
|
|
state.havedict = 0;
|
|
state.flags = -1;
|
|
state.dmax = 32768;
|
|
state.head = null;
|
|
state.hold = 0;
|
|
state.bits = 0;
|
|
state.lencode = state.lendyn = new Int32Array(ENOUGH_LENS);
|
|
state.distcode = state.distdyn = new Int32Array(ENOUGH_DISTS);
|
|
state.sane = 1;
|
|
state.back = -1;
|
|
return Z_OK$1;
|
|
};
|
|
var inflateReset = (strm) => {
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
const state = strm.state;
|
|
state.wsize = 0;
|
|
state.whave = 0;
|
|
state.wnext = 0;
|
|
return inflateResetKeep(strm);
|
|
};
|
|
var inflateReset2 = (strm, windowBits) => {
|
|
let wrap;
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
const state = strm.state;
|
|
if (windowBits < 0) {
|
|
wrap = 0;
|
|
windowBits = -windowBits;
|
|
} else {
|
|
wrap = (windowBits >> 4) + 5;
|
|
if (windowBits < 48) {
|
|
windowBits &= 15;
|
|
}
|
|
}
|
|
if (windowBits && (windowBits < 8 || windowBits > 15)) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
if (state.window !== null && state.wbits !== windowBits) {
|
|
state.window = null;
|
|
}
|
|
state.wrap = wrap;
|
|
state.wbits = windowBits;
|
|
return inflateReset(strm);
|
|
};
|
|
var inflateInit2 = (strm, windowBits) => {
|
|
if (!strm) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
const state = new InflateState();
|
|
strm.state = state;
|
|
state.strm = strm;
|
|
state.window = null;
|
|
state.mode = HEAD;
|
|
const ret = inflateReset2(strm, windowBits);
|
|
if (ret !== Z_OK$1) {
|
|
strm.state = null;
|
|
}
|
|
return ret;
|
|
};
|
|
var inflateInit = (strm) => {
|
|
return inflateInit2(strm, DEF_WBITS);
|
|
};
|
|
var virgin = true;
|
|
var lenfix;
|
|
var distfix;
|
|
var fixedtables = (state) => {
|
|
if (virgin) {
|
|
lenfix = new Int32Array(512);
|
|
distfix = new Int32Array(32);
|
|
let sym = 0;
|
|
while (sym < 144) {
|
|
state.lens[sym++] = 8;
|
|
}
|
|
while (sym < 256) {
|
|
state.lens[sym++] = 9;
|
|
}
|
|
while (sym < 280) {
|
|
state.lens[sym++] = 7;
|
|
}
|
|
while (sym < 288) {
|
|
state.lens[sym++] = 8;
|
|
}
|
|
inftrees(LENS, state.lens, 0, 288, lenfix, 0, state.work, { bits: 9 });
|
|
sym = 0;
|
|
while (sym < 32) {
|
|
state.lens[sym++] = 5;
|
|
}
|
|
inftrees(DISTS, state.lens, 0, 32, distfix, 0, state.work, { bits: 5 });
|
|
virgin = false;
|
|
}
|
|
state.lencode = lenfix;
|
|
state.lenbits = 9;
|
|
state.distcode = distfix;
|
|
state.distbits = 5;
|
|
};
|
|
var updatewindow = (strm, src, end, copy) => {
|
|
let dist;
|
|
const state = strm.state;
|
|
if (state.window === null) {
|
|
state.wsize = 1 << state.wbits;
|
|
state.wnext = 0;
|
|
state.whave = 0;
|
|
state.window = new Uint8Array(state.wsize);
|
|
}
|
|
if (copy >= state.wsize) {
|
|
state.window.set(src.subarray(end - state.wsize, end), 0);
|
|
state.wnext = 0;
|
|
state.whave = state.wsize;
|
|
} else {
|
|
dist = state.wsize - state.wnext;
|
|
if (dist > copy) {
|
|
dist = copy;
|
|
}
|
|
state.window.set(src.subarray(end - copy, end - copy + dist), state.wnext);
|
|
copy -= dist;
|
|
if (copy) {
|
|
state.window.set(src.subarray(end - copy, end), 0);
|
|
state.wnext = copy;
|
|
state.whave = state.wsize;
|
|
} else {
|
|
state.wnext += dist;
|
|
if (state.wnext === state.wsize) {
|
|
state.wnext = 0;
|
|
}
|
|
if (state.whave < state.wsize) {
|
|
state.whave += dist;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
};
|
|
var inflate$2 = (strm, flush) => {
|
|
let state;
|
|
let input, output;
|
|
let next;
|
|
let put;
|
|
let have, left;
|
|
let hold;
|
|
let bits;
|
|
let _in, _out;
|
|
let copy;
|
|
let from;
|
|
let from_source;
|
|
let here = 0;
|
|
let here_bits, here_op, here_val;
|
|
let last_bits, last_op, last_val;
|
|
let len;
|
|
let ret;
|
|
const hbuf = new Uint8Array(4);
|
|
let opts;
|
|
let n;
|
|
const order = (
|
|
/* permutation of code lengths */
|
|
new Uint8Array([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15])
|
|
);
|
|
if (inflateStateCheck(strm) || !strm.output || !strm.input && strm.avail_in !== 0) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
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$1;
|
|
inf_leave:
|
|
for (; ; ) {
|
|
switch (state.mode) {
|
|
case HEAD:
|
|
if (state.wrap === 0) {
|
|
state.mode = TYPEDO;
|
|
break;
|
|
}
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.wrap & 2 && hold === 35615) {
|
|
if (state.wbits === 0) {
|
|
state.wbits = 15;
|
|
}
|
|
state.check = 0;
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
state.check = crc32_1(state.check, hbuf, 2, 0);
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = FLAGS;
|
|
break;
|
|
}
|
|
if (state.head) {
|
|
state.head.done = false;
|
|
}
|
|
if (!(state.wrap & 1) || /* check if zlib header allowed */
|
|
(((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;
|
|
}
|
|
if (len > 15 || len > state.wbits) {
|
|
strm.msg = "invalid window size";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.dmax = 1 << state.wbits;
|
|
state.flags = 0;
|
|
strm.adler = state.check = 1;
|
|
state.mode = hold & 512 ? DICTID : TYPE;
|
|
hold = 0;
|
|
bits = 0;
|
|
break;
|
|
case FLAGS:
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.flags = hold;
|
|
if ((state.flags & 255) !== 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 && state.wrap & 4) {
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
state.check = crc32_1(state.check, hbuf, 2, 0);
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = TIME;
|
|
/* falls through */
|
|
case TIME:
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.head) {
|
|
state.head.time = hold;
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
hbuf[2] = hold >>> 16 & 255;
|
|
hbuf[3] = hold >>> 24 & 255;
|
|
state.check = crc32_1(state.check, hbuf, 4, 0);
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = OS;
|
|
/* falls through */
|
|
case OS:
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.head) {
|
|
state.head.xflags = hold & 255;
|
|
state.head.os = hold >> 8;
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
state.check = crc32_1(state.check, hbuf, 2, 0);
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = EXLEN;
|
|
/* falls through */
|
|
case EXLEN:
|
|
if (state.flags & 1024) {
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.length = hold;
|
|
if (state.head) {
|
|
state.head.extra_len = hold;
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
state.check = crc32_1(state.check, hbuf, 2, 0);
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
} else if (state.head) {
|
|
state.head.extra = null;
|
|
}
|
|
state.mode = EXTRA;
|
|
/* falls through */
|
|
case EXTRA:
|
|
if (state.flags & 1024) {
|
|
copy = state.length;
|
|
if (copy > have) {
|
|
copy = have;
|
|
}
|
|
if (copy) {
|
|
if (state.head) {
|
|
len = state.head.extra_len - state.length;
|
|
if (!state.head.extra) {
|
|
state.head.extra = new Uint8Array(state.head.extra_len);
|
|
}
|
|
state.head.extra.set(
|
|
input.subarray(
|
|
next,
|
|
// extra field is limited to 65536 bytes
|
|
// - no need for additional size check
|
|
next + copy
|
|
),
|
|
/*len + copy > state.head.extra_max - len ? state.head.extra_max : copy,*/
|
|
len
|
|
);
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
state.check = crc32_1(state.check, input, copy, next);
|
|
}
|
|
have -= copy;
|
|
next += copy;
|
|
state.length -= copy;
|
|
}
|
|
if (state.length) {
|
|
break inf_leave;
|
|
}
|
|
}
|
|
state.length = 0;
|
|
state.mode = NAME;
|
|
/* falls through */
|
|
case NAME:
|
|
if (state.flags & 2048) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
copy = 0;
|
|
do {
|
|
len = input[next + copy++];
|
|
if (state.head && len && state.length < 65536) {
|
|
state.head.name += String.fromCharCode(len);
|
|
}
|
|
} while (len && copy < have);
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
state.check = crc32_1(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;
|
|
/* falls through */
|
|
case COMMENT:
|
|
if (state.flags & 4096) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
copy = 0;
|
|
do {
|
|
len = input[next + copy++];
|
|
if (state.head && len && state.length < 65536) {
|
|
state.head.comment += String.fromCharCode(len);
|
|
}
|
|
} while (len && copy < have);
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
state.check = crc32_1(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;
|
|
/* falls through */
|
|
case HCRC:
|
|
if (state.flags & 512) {
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.wrap & 4 && hold !== (state.check & 65535)) {
|
|
strm.msg = "header crc mismatch";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
}
|
|
if (state.head) {
|
|
state.head.hcrc = state.flags >> 9 & 1;
|
|
state.head.done = true;
|
|
}
|
|
strm.adler = state.check = 0;
|
|
state.mode = TYPE;
|
|
break;
|
|
case DICTID:
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
strm.adler = state.check = zswap32(hold);
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = DICT;
|
|
/* falls through */
|
|
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$1;
|
|
}
|
|
strm.adler = state.check = 1;
|
|
state.mode = TYPE;
|
|
/* falls through */
|
|
case TYPE:
|
|
if (flush === Z_BLOCK || flush === Z_TREES) {
|
|
break inf_leave;
|
|
}
|
|
/* falls through */
|
|
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;
|
|
}
|
|
/* falls through */
|
|
case COPY_:
|
|
state.mode = COPY;
|
|
/* falls through */
|
|
case COPY:
|
|
copy = state.length;
|
|
if (copy) {
|
|
if (copy > have) {
|
|
copy = have;
|
|
}
|
|
if (copy > left) {
|
|
copy = left;
|
|
}
|
|
if (copy === 0) {
|
|
break inf_leave;
|
|
}
|
|
output.set(input.subarray(next, next + copy), put);
|
|
have -= copy;
|
|
next += copy;
|
|
left -= copy;
|
|
put += copy;
|
|
state.length -= copy;
|
|
break;
|
|
}
|
|
state.mode = TYPE;
|
|
break;
|
|
case TABLE:
|
|
while (bits < 14) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.nlen = (hold & 31) + 257;
|
|
hold >>>= 5;
|
|
bits -= 5;
|
|
state.ndist = (hold & 31) + 1;
|
|
hold >>>= 5;
|
|
bits -= 5;
|
|
state.ncode = (hold & 15) + 4;
|
|
hold >>>= 4;
|
|
bits -= 4;
|
|
if (state.nlen > 286 || state.ndist > 30) {
|
|
strm.msg = "too many length or distance symbols";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.have = 0;
|
|
state.mode = LENLENS;
|
|
/* falls through */
|
|
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 = inftrees(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;
|
|
/* falls through */
|
|
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 = inftrees(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 = inftrees(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;
|
|
}
|
|
/* falls through */
|
|
case LEN_:
|
|
state.mode = LEN;
|
|
/* falls through */
|
|
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;
|
|
inffast(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;
|
|
/* falls through */
|
|
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;
|
|
/* falls through */
|
|
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;
|
|
/* falls through */
|
|
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;
|
|
/* falls through */
|
|
case MATCH:
|
|
if (left === 0) {
|
|
break inf_leave;
|
|
}
|
|
copy = _out - left;
|
|
if (state.offset > copy) {
|
|
copy = state.offset - copy;
|
|
if (copy > state.whave) {
|
|
if (state.sane) {
|
|
strm.msg = "invalid distance too far back";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
}
|
|
if (copy > state.wnext) {
|
|
copy -= state.wnext;
|
|
from = state.wsize - copy;
|
|
} else {
|
|
from = state.wnext - copy;
|
|
}
|
|
if (copy > state.length) {
|
|
copy = state.length;
|
|
}
|
|
from_source = state.window;
|
|
} else {
|
|
from_source = output;
|
|
from = put - state.offset;
|
|
copy = state.length;
|
|
}
|
|
if (copy > left) {
|
|
copy = left;
|
|
}
|
|
left -= copy;
|
|
state.length -= copy;
|
|
do {
|
|
output[put++] = from_source[from++];
|
|
} while (--copy);
|
|
if (state.length === 0) {
|
|
state.mode = LEN;
|
|
}
|
|
break;
|
|
case LIT:
|
|
if (left === 0) {
|
|
break inf_leave;
|
|
}
|
|
output[put++] = state.length;
|
|
left--;
|
|
state.mode = LEN;
|
|
break;
|
|
case CHECK:
|
|
if (state.wrap) {
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold |= input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
_out -= left;
|
|
strm.total_out += _out;
|
|
state.total += _out;
|
|
if (state.wrap & 4 && _out) {
|
|
strm.adler = state.check = /*UPDATE_CHECK(state.check, put - _out, _out);*/
|
|
state.flags ? crc32_1(state.check, output, _out, put - _out) : adler32_1(state.check, output, _out, put - _out);
|
|
}
|
|
_out = left;
|
|
if (state.wrap & 4 && (state.flags ? hold : zswap32(hold)) !== state.check) {
|
|
strm.msg = "incorrect data check";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
}
|
|
state.mode = LENGTH;
|
|
/* falls through */
|
|
case LENGTH:
|
|
if (state.wrap && state.flags) {
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.wrap & 4 && hold !== (state.total & 4294967295)) {
|
|
strm.msg = "incorrect length check";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
}
|
|
state.mode = DONE;
|
|
/* falls through */
|
|
case DONE:
|
|
ret = Z_STREAM_END$1;
|
|
break inf_leave;
|
|
case BAD:
|
|
ret = Z_DATA_ERROR$1;
|
|
break inf_leave;
|
|
case MEM:
|
|
return Z_MEM_ERROR$1;
|
|
case SYNC:
|
|
/* falls through */
|
|
default:
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
}
|
|
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$1)) {
|
|
if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) ;
|
|
}
|
|
_in -= strm.avail_in;
|
|
_out -= strm.avail_out;
|
|
strm.total_in += _in;
|
|
strm.total_out += _out;
|
|
state.total += _out;
|
|
if (state.wrap & 4 && _out) {
|
|
strm.adler = state.check = /*UPDATE_CHECK(state.check, strm.next_out - _out, _out);*/
|
|
state.flags ? crc32_1(state.check, output, _out, strm.next_out - _out) : adler32_1(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$1) && ret === Z_OK$1) {
|
|
ret = Z_BUF_ERROR;
|
|
}
|
|
return ret;
|
|
};
|
|
var inflateEnd = (strm) => {
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
let state = strm.state;
|
|
if (state.window) {
|
|
state.window = null;
|
|
}
|
|
strm.state = null;
|
|
return Z_OK$1;
|
|
};
|
|
var inflateGetHeader = (strm, head) => {
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
const state = strm.state;
|
|
if ((state.wrap & 2) === 0) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
state.head = head;
|
|
head.done = false;
|
|
return Z_OK$1;
|
|
};
|
|
var inflateSetDictionary = (strm, dictionary) => {
|
|
const dictLength = dictionary.length;
|
|
let state;
|
|
let dictid;
|
|
let ret;
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
state = strm.state;
|
|
if (state.wrap !== 0 && state.mode !== DICT) {
|
|
return Z_STREAM_ERROR$1;
|
|
}
|
|
if (state.mode === DICT) {
|
|
dictid = 1;
|
|
dictid = adler32_1(dictid, dictionary, dictLength, 0);
|
|
if (dictid !== state.check) {
|
|
return Z_DATA_ERROR$1;
|
|
}
|
|
}
|
|
ret = updatewindow(strm, dictionary, dictLength, dictLength);
|
|
if (ret) {
|
|
state.mode = MEM;
|
|
return Z_MEM_ERROR$1;
|
|
}
|
|
state.havedict = 1;
|
|
return Z_OK$1;
|
|
};
|
|
var inflateReset_1 = inflateReset;
|
|
var inflateReset2_1 = inflateReset2;
|
|
var inflateResetKeep_1 = inflateResetKeep;
|
|
var inflateInit_1 = inflateInit;
|
|
var inflateInit2_1 = inflateInit2;
|
|
var inflate_2$1 = inflate$2;
|
|
var inflateEnd_1 = inflateEnd;
|
|
var inflateGetHeader_1 = inflateGetHeader;
|
|
var inflateSetDictionary_1 = inflateSetDictionary;
|
|
var inflateInfo = "pako inflate (from Nodeca project)";
|
|
var inflate_1$2 = {
|
|
inflateReset: inflateReset_1,
|
|
inflateReset2: inflateReset2_1,
|
|
inflateResetKeep: inflateResetKeep_1,
|
|
inflateInit: inflateInit_1,
|
|
inflateInit2: inflateInit2_1,
|
|
inflate: inflate_2$1,
|
|
inflateEnd: inflateEnd_1,
|
|
inflateGetHeader: inflateGetHeader_1,
|
|
inflateSetDictionary: inflateSetDictionary_1,
|
|
inflateInfo
|
|
};
|
|
function GZheader() {
|
|
this.text = 0;
|
|
this.time = 0;
|
|
this.xflags = 0;
|
|
this.os = 0;
|
|
this.extra = null;
|
|
this.extra_len = 0;
|
|
this.name = "";
|
|
this.comment = "";
|
|
this.hcrc = 0;
|
|
this.done = false;
|
|
}
|
|
var gzheader = GZheader;
|
|
var toString = Object.prototype.toString;
|
|
var {
|
|
Z_NO_FLUSH,
|
|
Z_FINISH,
|
|
Z_OK,
|
|
Z_STREAM_END,
|
|
Z_NEED_DICT,
|
|
Z_STREAM_ERROR,
|
|
Z_DATA_ERROR,
|
|
Z_MEM_ERROR
|
|
} = constants$2;
|
|
function Inflate$1(options) {
|
|
this.options = common.assign({
|
|
chunkSize: 1024 * 64,
|
|
windowBits: 15,
|
|
to: ""
|
|
}, options || {});
|
|
const opt = this.options;
|
|
if (opt.raw && opt.windowBits >= 0 && opt.windowBits < 16) {
|
|
opt.windowBits = -opt.windowBits;
|
|
if (opt.windowBits === 0) {
|
|
opt.windowBits = -15;
|
|
}
|
|
}
|
|
if (opt.windowBits >= 0 && opt.windowBits < 16 && !(options && options.windowBits)) {
|
|
opt.windowBits += 32;
|
|
}
|
|
if (opt.windowBits > 15 && opt.windowBits < 48) {
|
|
if ((opt.windowBits & 15) === 0) {
|
|
opt.windowBits |= 15;
|
|
}
|
|
}
|
|
this.err = 0;
|
|
this.msg = "";
|
|
this.ended = false;
|
|
this.chunks = [];
|
|
this.strm = new zstream();
|
|
this.strm.avail_out = 0;
|
|
let status = inflate_1$2.inflateInit2(
|
|
this.strm,
|
|
opt.windowBits
|
|
);
|
|
if (status !== Z_OK) {
|
|
throw new Error(messages[status]);
|
|
}
|
|
this.header = new gzheader();
|
|
inflate_1$2.inflateGetHeader(this.strm, this.header);
|
|
if (opt.dictionary) {
|
|
if (typeof opt.dictionary === "string") {
|
|
opt.dictionary = strings.string2buf(opt.dictionary);
|
|
} else if (toString.call(opt.dictionary) === "[object ArrayBuffer]") {
|
|
opt.dictionary = new Uint8Array(opt.dictionary);
|
|
}
|
|
if (opt.raw) {
|
|
status = inflate_1$2.inflateSetDictionary(this.strm, opt.dictionary);
|
|
if (status !== Z_OK) {
|
|
throw new Error(messages[status]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Inflate$1.prototype.push = function(data, flush_mode) {
|
|
const strm = this.strm;
|
|
const chunkSize = this.options.chunkSize;
|
|
const dictionary = this.options.dictionary;
|
|
let status, _flush_mode, last_avail_out;
|
|
if (this.ended) return false;
|
|
if (flush_mode === ~~flush_mode) _flush_mode = flush_mode;
|
|
else _flush_mode = flush_mode === true ? Z_FINISH : Z_NO_FLUSH;
|
|
if (toString.call(data) === "[object ArrayBuffer]") {
|
|
strm.input = new Uint8Array(data);
|
|
} else {
|
|
strm.input = data;
|
|
}
|
|
strm.next_in = 0;
|
|
strm.avail_in = strm.input.length;
|
|
for (; ; ) {
|
|
if (strm.avail_out === 0) {
|
|
strm.output = new Uint8Array(chunkSize);
|
|
strm.next_out = 0;
|
|
strm.avail_out = chunkSize;
|
|
}
|
|
status = inflate_1$2.inflate(strm, _flush_mode);
|
|
if (status === Z_NEED_DICT && dictionary) {
|
|
status = inflate_1$2.inflateSetDictionary(strm, dictionary);
|
|
if (status === Z_OK) {
|
|
status = inflate_1$2.inflate(strm, _flush_mode);
|
|
} else if (status === Z_DATA_ERROR) {
|
|
status = Z_NEED_DICT;
|
|
}
|
|
}
|
|
while (strm.avail_in > 0 && status === Z_STREAM_END && strm.state.wrap > 0 && data[strm.next_in] !== 0) {
|
|
inflate_1$2.inflateReset(strm);
|
|
status = inflate_1$2.inflate(strm, _flush_mode);
|
|
}
|
|
switch (status) {
|
|
case Z_STREAM_ERROR:
|
|
case Z_DATA_ERROR:
|
|
case Z_NEED_DICT:
|
|
case Z_MEM_ERROR:
|
|
this.onEnd(status);
|
|
this.ended = true;
|
|
return false;
|
|
}
|
|
last_avail_out = strm.avail_out;
|
|
if (strm.next_out) {
|
|
if (strm.avail_out === 0 || status === Z_STREAM_END) {
|
|
if (this.options.to === "string") {
|
|
let next_out_utf8 = strings.utf8border(strm.output, strm.next_out);
|
|
let tail = strm.next_out - next_out_utf8;
|
|
let utf8str = strings.buf2string(strm.output, next_out_utf8);
|
|
strm.next_out = tail;
|
|
strm.avail_out = chunkSize - tail;
|
|
if (tail) strm.output.set(strm.output.subarray(next_out_utf8, next_out_utf8 + tail), 0);
|
|
this.onData(utf8str);
|
|
} else {
|
|
this.onData(strm.output.length === strm.next_out ? strm.output : strm.output.subarray(0, strm.next_out));
|
|
}
|
|
}
|
|
}
|
|
if (status === Z_OK && last_avail_out === 0) continue;
|
|
if (status === Z_STREAM_END) {
|
|
status = inflate_1$2.inflateEnd(this.strm);
|
|
this.onEnd(status);
|
|
this.ended = true;
|
|
return true;
|
|
}
|
|
if (strm.avail_in === 0) break;
|
|
}
|
|
return true;
|
|
};
|
|
Inflate$1.prototype.onData = function(chunk) {
|
|
this.chunks.push(chunk);
|
|
};
|
|
Inflate$1.prototype.onEnd = function(status) {
|
|
if (status === Z_OK) {
|
|
if (this.options.to === "string") {
|
|
this.result = this.chunks.join("");
|
|
} else {
|
|
this.result = common.flattenChunks(this.chunks);
|
|
}
|
|
}
|
|
this.chunks = [];
|
|
this.err = status;
|
|
this.msg = this.strm.msg;
|
|
};
|
|
function inflate$1(input, options) {
|
|
const inflator = new Inflate$1(options);
|
|
inflator.push(input);
|
|
if (inflator.err) throw inflator.msg || messages[inflator.err];
|
|
return inflator.result;
|
|
}
|
|
function inflateRaw$1(input, options) {
|
|
options = options || {};
|
|
options.raw = true;
|
|
return inflate$1(input, options);
|
|
}
|
|
var Inflate_1$1 = Inflate$1;
|
|
var inflate_2 = inflate$1;
|
|
var inflateRaw_1$1 = inflateRaw$1;
|
|
var ungzip$1 = inflate$1;
|
|
var constants = constants$2;
|
|
var inflate_1$1 = {
|
|
Inflate: Inflate_1$1,
|
|
inflate: inflate_2,
|
|
inflateRaw: inflateRaw_1$1,
|
|
ungzip: ungzip$1,
|
|
constants
|
|
};
|
|
var { Deflate, deflate, deflateRaw, gzip } = deflate_1$1;
|
|
var { Inflate, inflate, inflateRaw, ungzip } = inflate_1$1;
|
|
var inflate_1 = inflate;
|
|
|
|
export {
|
|
inflate_1
|
|
};
|
|
/*! Bundled license information:
|
|
|
|
pako/dist/pako.esm.mjs:
|
|
(*! pako 2.1.0 https://github.com/nodeca/pako @license (MIT AND Zlib) *)
|
|
*/
|
|
//# sourceMappingURL=chunk-OVHVPML2.js.map
|