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pako

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zlib port to javascript - fast, modularized, with browser support

2 lines 45.4 kB
(function(e,t){typeof exports==`object`&&typeof module<`u`?t(exports):typeof define==`function`&&define.amd?define([`exports`],t):(e=typeof globalThis<`u`?globalThis:e||self,t(e.pako={}))})(this,function(e){Object.defineProperty(e,Symbol.toStringTag,{value:`Module`});var t=4,n=0,r=1,i=2;function a(e){let t=e.length;for(;--t>=0;)e[t]=0}var o=0,s=1,c=2,l=29,u=256,d=286,f=30,p=19,m=573,h=15,g=16,_=7,v=256,y=16,b=17,x=18,S=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]),C=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]),w=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7]),T=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),E=512,D=Array(288*2);a(D);var O=Array(f*2);a(O);var k=Array(E);a(k);var A=Array(256);a(A);var j=Array(l);a(j);var ee=Array(f);a(ee);var te=class{constructor(e,t,n,r,i){this.static_tree=e,this.extra_bits=t,this.extra_base=n,this.elems=r,this.max_length=i,this.has_stree=e&&e.length}},ne,re,ie,ae=class{constructor(e,t){this.dyn_tree=e,this.max_code=0,this.stat_desc=t}},oe=e=>e<256?k[e]:k[256+(e>>>7)],se=(e,t)=>{e.pending_buf[e.pending++]=t&255,e.pending_buf[e.pending++]=t>>>8&255},M=(e,t,n)=>{e.bi_valid>g-n?(e.bi_buf|=t<<e.bi_valid&65535,se(e,e.bi_buf),e.bi_buf=t>>g-e.bi_valid,e.bi_valid+=n-g):(e.bi_buf|=t<<e.bi_valid&65535,e.bi_valid+=n)},N=(e,t,n)=>{M(e,n[t*2],n[t*2+1])},ce=(e,t)=>{let n=0;do n|=e&1,e>>>=1,n<<=1;while(--t>0);return n>>>1},le=e=>{e.bi_valid===16?(se(e,e.bi_buf),e.bi_buf=0,e.bi_valid=0):e.bi_valid>=8&&(e.pending_buf[e.pending++]=e.bi_buf&255,e.bi_buf>>=8,e.bi_valid-=8)},ue=(e,t)=>{let n=t.dyn_tree,r=t.max_code,i=t.stat_desc.static_tree,a=t.stat_desc.has_stree,o=t.stat_desc.extra_bits,s=t.stat_desc.extra_base,c=t.stat_desc.max_length,l,u,d,f,p,g,_=0;for(f=0;f<=h;f++)e.bl_count[f]=0;for(n[e.heap[e.heap_max]*2+1]=0,l=e.heap_max+1;l<m;l++)u=e.heap[l],f=n[n[u*2+1]*2+1]+1,f>c&&(f=c,_++),n[u*2+1]=f,!(u>r)&&(e.bl_count[f]++,p=0,u>=s&&(p=o[u-s]),g=n[u*2],e.opt_len+=g*(f+p),a&&(e.static_len+=g*(i[u*2+1]+p)));if(_!==0){do{for(f=c-1;e.bl_count[f]===0;)f--;e.bl_count[f]--,e.bl_count[f+1]+=2,e.bl_count[c]--,_-=2}while(_>0);for(f=c;f!==0;f--)for(u=e.bl_count[f];u!==0;)d=e.heap[--l],!(d>r)&&(n[d*2+1]!==f&&(e.opt_len+=(f-n[d*2+1])*n[d*2],n[d*2+1]=f),u--)}},de=(e,t,n)=>{let r=Array(16),i=0,a,o;for(a=1;a<=h;a++)i=i+n[a-1]<<1,r[a]=i;for(o=0;o<=t;o++){let t=e[o*2+1];t!==0&&(e[o*2]=ce(r[t]++,t))}},fe=()=>{let e,t,n,r,i,a=Array(16);for(n=0,r=0;r<l-1;r++)for(j[r]=n,e=0;e<1<<S[r];e++)A[n++]=r;for(A[n-1]=r,i=0,r=0;r<16;r++)for(ee[r]=i,e=0;e<1<<C[r];e++)k[i++]=r;for(i>>=7;r<f;r++)for(ee[r]=i<<7,e=0;e<1<<C[r]-7;e++)k[256+i++]=r;for(t=0;t<=h;t++)a[t]=0;for(e=0;e<=143;)D[e*2+1]=8,e++,a[8]++;for(;e<=255;)D[e*2+1]=9,e++,a[9]++;for(;e<=279;)D[e*2+1]=7,e++,a[7]++;for(;e<=287;)D[e*2+1]=8,e++,a[8]++;for(de(D,287,a),e=0;e<f;e++)O[e*2+1]=5,O[e*2]=ce(e,5);ne=new te(D,S,257,d,h),re=new te(O,C,0,f,h),ie=new te([],w,0,p,_)},pe=e=>{let t;for(t=0;t<d;t++)e.dyn_ltree[t*2]=0;for(t=0;t<f;t++)e.dyn_dtree[t*2]=0;for(t=0;t<p;t++)e.bl_tree[t*2]=0;e.dyn_ltree[v*2]=1,e.opt_len=e.static_len=0,e.sym_next=e.matches=0},me=e=>{e.bi_valid>8?se(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0},he=(e,t,n,r)=>{let i=t*2,a=n*2;return e[i]<e[a]||e[i]===e[a]&&r[t]<=r[n]},ge=(e,t,n)=>{let r=e.heap[n],i=n<<1;for(;i<=e.heap_len&&(i<e.heap_len&&he(t,e.heap[i+1],e.heap[i],e.depth)&&i++,!he(t,r,e.heap[i],e.depth));)e.heap[n]=e.heap[i],n=i,i<<=1;e.heap[n]=r},_e=(e,t,n)=>{let r,i,a=0,o,s;if(e.sym_next!==0)do r=e.pending_buf[e.sym_buf+a++]&255,r+=(e.pending_buf[e.sym_buf+a++]&255)<<8,i=e.pending_buf[e.sym_buf+a++],r===0?N(e,i,t):(o=A[i],N(e,o+u+1,t),s=S[o],s!==0&&(i-=j[o],M(e,i,s)),r--,o=oe(r),N(e,o,n),s=C[o],s!==0&&(r-=ee[o],M(e,r,s)));while(a<e.sym_next);N(e,v,t)},ve=(e,t)=>{let n=t.dyn_tree,r=t.stat_desc.static_tree,i=t.stat_desc.has_stree,a=t.stat_desc.elems,o,s,c=-1,l;for(e.heap_len=0,e.heap_max=m,o=0;o<a;o++)n[o*2]===0?n[o*2+1]=0:(e.heap[++e.heap_len]=c=o,e.depth[o]=0);for(;e.heap_len<2;)l=e.heap[++e.heap_len]=c<2?++c:0,n[l*2]=1,e.depth[l]=0,e.opt_len--,i&&(e.static_len-=r[l*2+1]);for(t.max_code=c,o=e.heap_len>>1;o>=1;o--)ge(e,n,o);l=a;do o=e.heap[1],e.heap[1]=e.heap[e.heap_len--],ge(e,n,1),s=e.heap[1],e.heap[--e.heap_max]=o,e.heap[--e.heap_max]=s,n[l*2]=n[o*2]+n[s*2],e.depth[l]=(e.depth[o]>=e.depth[s]?e.depth[o]:e.depth[s])+1,n[o*2+1]=n[s*2+1]=l,e.heap[1]=l++,ge(e,n,1);while(e.heap_len>=2);e.heap[--e.heap_max]=e.heap[1],ue(e,t),de(n,c,e.bl_count)},ye=(e,t,n)=>{let r,i=-1,a,o=t[1],s=0,c=7,l=4;for(o===0&&(c=138,l=3),t[(n+1)*2+1]=65535,r=0;r<=n;r++)a=o,o=t[(r+1)*2+1],!(++s<c&&a===o)&&(s<l?e.bl_tree[a*2]+=s:a===0?s<=10?e.bl_tree[b*2]++:e.bl_tree[x*2]++:(a!==i&&e.bl_tree[a*2]++,e.bl_tree[y*2]++),s=0,i=a,o===0?(c=138,l=3):a===o?(c=6,l=3):(c=7,l=4))},be=(e,t,n)=>{let r,i=-1,a,o=t[1],s=0,c=7,l=4;for(o===0&&(c=138,l=3),r=0;r<=n;r++)if(a=o,o=t[(r+1)*2+1],!(++s<c&&a===o)){if(s<l)do N(e,a,e.bl_tree);while(--s!==0);else a===0?s<=10?(N(e,b,e.bl_tree),M(e,s-3,3)):(N(e,x,e.bl_tree),M(e,s-11,7)):(a!==i&&(N(e,a,e.bl_tree),s--),N(e,y,e.bl_tree),M(e,s-3,2));s=0,i=a,o===0?(c=138,l=3):a===o?(c=6,l=3):(c=7,l=4)}},xe=e=>{let t;for(ye(e,e.dyn_ltree,e.l_desc.max_code),ye(e,e.dyn_dtree,e.d_desc.max_code),ve(e,e.bl_desc),t=p-1;t>=3&&e.bl_tree[T[t]*2+1]===0;t--);return e.opt_len+=3*(t+1)+5+5+4,t},Se=(e,t,n,r)=>{let i;for(M(e,t-257,5),M(e,n-1,5),M(e,r-4,4),i=0;i<r;i++)M(e,e.bl_tree[T[i]*2+1],3);be(e,e.dyn_ltree,t-1),be(e,e.dyn_dtree,n-1)},Ce=e=>{let t=4093624447,i;for(i=0;i<=31;i++,t>>>=1)if(t&1&&e.dyn_ltree[i*2]!==0)return n;if(e.dyn_ltree[18]!==0||e.dyn_ltree[20]!==0||e.dyn_ltree[26]!==0)return r;for(i=32;i<u;i++)if(e.dyn_ltree[i*2]!==0)return r;return n},we=!1,Te=e=>{we||(fe(),we=!0),e.l_desc=new ae(e.dyn_ltree,ne),e.d_desc=new ae(e.dyn_dtree,re),e.bl_desc=new ae(e.bl_tree,ie),e.bi_buf=0,e.bi_valid=0,pe(e)},Ee=(e,t,n,r)=>{M(e,(o<<1)+ +!!r,3),me(e),se(e,n),se(e,~n),n&&e.pending_buf.set(e.window.subarray(t,t+n),e.pending),e.pending+=n},De=e=>{M(e,s<<1,3),N(e,v,D),le(e)},Oe=(e,n,r,a)=>{let o,l,u=0;e.level>0?(e.strm.data_type===i&&(e.strm.data_type=Ce(e)),ve(e,e.l_desc),ve(e,e.d_desc),u=xe(e),o=e.opt_len+3+7>>>3,l=e.static_len+3+7>>>3,l<=o&&(o=l)):o=l=r+5,r+4<=o&&n!==-1?Ee(e,n,r,a):e.strategy===t||l===o?(M(e,(s<<1)+ +!!a,3),_e(e,D,O)):(M(e,(c<<1)+ +!!a,3),Se(e,e.l_desc.max_code+1,e.d_desc.max_code+1,u+1),_e(e,e.dyn_ltree,e.dyn_dtree)),pe(e),a&&me(e)},P=(e,t,n)=>(e.pending_buf[e.sym_buf+e.sym_next++]=t,e.pending_buf[e.sym_buf+e.sym_next++]=t>>8,e.pending_buf[e.sym_buf+e.sym_next++]=n,t===0?e.dyn_ltree[n*2]++:(e.matches++,t--,e.dyn_ltree[(A[n]+u+1)*2]++,e.dyn_dtree[oe(t)*2]++),e.sym_next===e.sym_end),ke=(e,t,n,r)=>{let i=e&65535|0,a=e>>>16&65535|0,o=0;for(;n!==0;){o=n>2e3?2e3:n,n-=o;do i=i+t[r++]|0,a=a+i|0;while(--o);i%=65521,a%=65521}return i|a<<16|0},Ae=new Uint32Array((()=>{let e,t=[];for(var n=0;n<256;n++){e=n;for(var r=0;r<8;r++)e=e&1?3988292384^e>>>1:e>>>1;t[n]=e}return t})()),F=(e,t,n,r)=>{let i=Ae,a=r+n;e^=-1;for(let n=r;n<a;n++)e=e>>>8^i[(e^t[n])&255];return e^-1},I={2:`need dictionary`,1:`stream end`,0:``,"-1":`file error`,"-2":`stream error`,"-3":`data error`,"-4":`insufficient memory`,"-5":`buffer error`,"-6":`incompatible version`},je=0,Me=1,Ne=2,Pe=3,Fe=4,Ie=5,Le=6,Re=0,ze=1,Be=2,Ve=-1,He=-2,Ue=-3,We=-4,Ge=-5,Ke=9,qe=15,Je=8,Ye=573,L=3,R=258,z=262,Xe=32,Ze=42,Qe=57,$e=69,et=73,tt=91,nt=103,B=113,rt=666,V=1,it=2,H=3,at=4,ot=3,U=(e,t)=>(e.msg=I[t],t),st=e=>e*2-(e>4?9:0),W=e=>{let t=e.length;for(;--t>=0;)e[t]=0},ct=e=>{let t,n,r,i=e.w_size;t=e.hash_size,r=t;do n=e.head[--r],e.head[r]=n>=i?n-i:0;while(--t);t=i,r=t;do n=e.prev[--r],e.prev[r]=n>=i?n-i:0;while(--t)},lt=(e,t,n)=>(t<<e.hash_shift^n)&e.hash_mask,G=(e,t)=>{let n;if(e.legacy_hash)n=e.ins_h=lt(e,e.ins_h,e.window[t+L-1]);else{let r=e.window,i=r[t]|r[t+1]<<8|r[t+2]<<16|r[t+3]<<24;n=e.ins_h=Math.imul(i,66521)+66521>>>16&e.hash_mask}let r=e.prev[t&e.w_mask]=e.head[n];return e.head[n]=t,r},K=e=>{let t=e.state,n=t.pending;n>e.avail_out&&(n=e.avail_out),n!==0&&(e.output.set(t.pending_buf.subarray(t.pending_out,t.pending_out+n),e.next_out),e.next_out+=n,t.pending_out+=n,e.total_out+=n,e.avail_out-=n,t.pending-=n,t.pending===0&&(t.pending_out=0))},q=(e,t)=>{Oe(e,e.block_start>=0?e.block_start:-1,e.strstart-e.block_start,t),e.block_start=e.strstart,K(e.strm)},J=(e,t)=>{e.pending_buf[e.pending++]=t},ut=(e,t)=>{e.pending_buf[e.pending++]=t>>>8&255,e.pending_buf[e.pending++]=t&255},dt=(e,t,n,r)=>{let i=e.avail_in;return i>r&&(i=r),i===0?0:(e.avail_in-=i,t.set(e.input.subarray(e.next_in,e.next_in+i),n),e.state.wrap===1?e.adler=ke(e.adler,t,i,n):e.state.wrap===2&&(e.adler=F(e.adler,t,i,n)),e.next_in+=i,e.total_in+=i,i)},ft=(e,t)=>{let n=e.max_chain_length,r=e.strstart,i,a,o=e.prev_length,s=e.nice_match,c=e.strstart>e.w_size-z?e.strstart-(e.w_size-z):0,l=e.window,u=e.w_mask,d=e.prev,f=e.strstart+R,p=l[r+o-1],m=l[r+o];e.prev_length>=e.good_match&&(n>>=2),s>e.lookahead&&(s=e.lookahead);do{if(i=t,l[i+o]!==m||l[i+o-1]!==p||l[i]!==l[r]||l[++i]!==l[r+1])continue;r+=2,i++;do;while(l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&l[++r]===l[++i]&&r<f);if(a=R-(f-r),r=f-R,a>o){if(e.match_start=t,o=a,a>=s)break;p=l[r+o-1],m=l[r+o]}}while((t=d[t&u])>c&&--n!==0);return o<=e.lookahead?o:e.lookahead},pt=e=>{let t=e.w_size,n,r,i;do{if(r=e.window_size-e.lookahead-e.strstart,e.strstart>=t+(t-z)&&(e.window.set(e.window.subarray(t,t+t-r),0),e.match_start-=t,e.strstart-=t,e.block_start-=t,e.insert>e.strstart&&(e.insert=e.strstart),ct(e),r+=t),e.strm.avail_in===0)break;if(n=dt(e.strm,e.window,e.strstart+e.lookahead,r),e.lookahead+=n,!e.legacy_hash){if(e.lookahead+e.insert>L)for(i=e.strstart-e.insert;e.insert&&(G(e,i),i++,e.insert--,!(e.lookahead+e.insert<=L)););}else if(e.lookahead+e.insert>=L)for(i=e.strstart-e.insert,e.ins_h=e.window[i],e.ins_h=lt(e,e.ins_h,e.window[i+1]);e.insert&&(G(e,i),i++,e.insert--,!(e.lookahead+e.insert<L)););}while(e.lookahead<z&&e.strm.avail_in!==0)},mt=(e,t)=>{let n=e.pending_buf_size-5>e.w_size?e.w_size:e.pending_buf_size-5,r,i,a,o=0,s=e.strm.avail_in;do{if(r=65535,a=e.bi_valid+42>>3,e.strm.avail_out<a||(a=e.strm.avail_out-a,i=e.strstart-e.block_start,r>i+e.strm.avail_in&&(r=i+e.strm.avail_in),r>a&&(r=a),r<n&&(r===0&&t!==4||t===0||r!==i+e.strm.avail_in)))break;o=+(t===4&&r===i+e.strm.avail_in),Ee(e,0,0,o),e.pending_buf[e.pending-4]=r,e.pending_buf[e.pending-3]=r>>8,e.pending_buf[e.pending-2]=~r,e.pending_buf[e.pending-1]=~r>>8,K(e.strm),i&&(i>r&&(i=r),e.strm.output.set(e.window.subarray(e.block_start,e.block_start+i),e.strm.next_out),e.strm.next_out+=i,e.strm.avail_out-=i,e.strm.total_out+=i,e.block_start+=i,r-=i),r&&(dt(e.strm,e.strm.output,e.strm.next_out,r),e.strm.next_out+=r,e.strm.avail_out-=r,e.strm.total_out+=r)}while(o===0);return s-=e.strm.avail_in,s&&(s>=e.w_size?(e.matches=2,e.window.set(e.strm.input.subarray(e.strm.next_in-e.w_size,e.strm.next_in),0),e.strstart=e.w_size,e.insert=e.strstart):(e.window_size-e.strstart<=s&&(e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,e.insert>e.strstart&&(e.insert=e.strstart)),e.window.set(e.strm.input.subarray(e.strm.next_in-s,e.strm.next_in),e.strstart),e.strstart+=s,e.insert+=s>e.w_size-e.insert?e.w_size-e.insert:s),e.block_start=e.strstart),e.high_water<e.strstart&&(e.high_water=e.strstart),o?at:t!==0&&t!==4&&e.strm.avail_in===0&&e.strstart===e.block_start?it:(a=e.window_size-e.strstart,e.strm.avail_in>a&&e.block_start>=e.w_size&&(e.block_start-=e.w_size,e.strstart-=e.w_size,e.window.set(e.window.subarray(e.w_size,e.w_size+e.strstart),0),e.matches<2&&e.matches++,a+=e.w_size,e.insert>e.strstart&&(e.insert=e.strstart)),a>e.strm.avail_in&&(a=e.strm.avail_in),a&&(dt(e.strm,e.window,e.strstart,a),e.strstart+=a,e.insert+=a>e.w_size-e.insert?e.w_size-e.insert:a),e.high_water<e.strstart&&(e.high_water=e.strstart),a=e.bi_valid+42>>3,a=e.pending_buf_size-a>65535?65535:e.pending_buf_size-a,n=a>e.w_size?e.w_size:a,i=e.strstart-e.block_start,(i>=n||(i||t===4)&&t!==0&&e.strm.avail_in===0&&i<=a)&&(r=i>a?a:i,o=+(t===4&&e.strm.avail_in===0&&r===i),Ee(e,e.block_start,r,o),e.block_start+=r,K(e.strm)),o?H:V)},ht=(e,t)=>{let n,r;for(;;){if(e.lookahead<z){if(pt(e),e.lookahead<z&&t===0)return V;if(e.lookahead===0)break}if(n=0,e.lookahead>=L&&(n=G(e,e.strstart)),n!==0&&e.strstart-n<=e.w_size-z&&(e.match_length=ft(e,n)),e.match_length>=L)if(r=P(e,e.strstart-e.match_start,e.match_length-L),e.lookahead-=e.match_length,e.match_length<=e.max_lazy_match&&e.lookahead>=L){e.match_length--;do e.strstart++,n=G(e,e.strstart);while(--e.match_length!==0);e.strstart++}else e.strstart+=e.match_length,e.match_length=0,e.legacy_hash&&(e.ins_h=e.window[e.strstart],e.ins_h=lt(e,e.ins_h,e.window[e.strstart+1]));else r=P(e,0,e.window[e.strstart]),e.lookahead--,e.strstart++;if(r&&(q(e,!1),e.strm.avail_out===0))return V}return e.insert=e.strstart<L-1?e.strstart:L-1,t===4?(q(e,!0),e.strm.avail_out===0?H:at):e.sym_next&&(q(e,!1),e.strm.avail_out===0)?V:it},gt=(e,t)=>{let n,r,i;for(;;){if(e.lookahead<z){if(pt(e),e.lookahead<z&&t===0)return 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t=n.pending,r;do{if(n.pending===n.pending_buf_size){if(n.gzhead.hcrc&&n.pending>t&&(e.adler=F(e.adler,n.pending_buf,n.pending-t,t)),K(e),n.pending!==0)return n.last_flush=-1,0;t=0}r=n.gzindex<n.gzhead.comment.length?n.gzhead.comment.charCodeAt(n.gzindex++)&255:0,J(n,r)}while(r!==0);n.gzhead.hcrc&&n.pending>t&&(e.adler=F(e.adler,n.pending_buf,n.pending-t,t))}n.status=nt}if(n.status===nt){if(n.gzhead.hcrc){if(n.pending+2>n.pending_buf_size&&(K(e),n.pending!==0))return n.last_flush=-1,0;J(n,e.adler&255),J(n,e.adler>>8&255),e.adler=0}if(n.status=B,K(e),n.pending!==0)return n.last_flush=-1,0}if(e.avail_in!==0||n.lookahead!==0||t!==0&&n.status!==rt){let r=n.level===0?mt(n,t):n.strategy===2?vt(n,t):n.strategy===3?_t(n,t):yt[n.level].func(n,t);if((r===H||r===at)&&(n.status=rt),r===V||r===H)return e.avail_out===0&&(n.last_flush=-1),0;if(r===it&&(t===1?De(n):t!==5&&(Ee(n,0,0,!1),t===3&&(W(n.head),n.lookahead===0&&(n.strstart=0,n.block_start=0,n.insert=0))),K(e),e.avail_out===0))return 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top}if(f>>>=y,p-=y,y=i-a,x>y){if(y=x-y,y>l&&E.sane){e.msg=`invalid distance too far back`,E.mode=jt;break top}if(S=0,C=d,u===0){if(S+=c-y,y<b){b-=y;do T[i++]=d[S++];while(--y);S=i-x,C=T}}else if(u<y){if(S+=c+u-y,y-=u,y<b){b-=y;do T[i++]=d[S++];while(--y);if(S=0,u<b){y=u,b-=y;do T[i++]=d[S++];while(--y);S=i-x,C=T}}}else if(S+=u-y,y<b){b-=y;do T[i++]=d[S++];while(--y);S=i-x,C=T}for(;b>2;)T[i++]=C[S++],T[i++]=C[S++],T[i++]=C[S++],b-=3;b&&(T[i++]=C[S++],b>1&&(T[i++]=C[S++]))}else{S=i-x;do T[i++]=T[S++],T[i++]=T[S++],T[i++]=T[S++],b-=3;while(b>2);b&&(T[i++]=T[S++],b>1&&(T[i++]=T[S++]))}}else if(y&64){e.msg=`invalid distance code`,E.mode=jt;break top}else{v=h[(v&65535)+(f&(1<<y)-1)];continue dodist}break}}else if(!(y&64)){v=m[(v&65535)+(f&(1<<y)-1)];continue dolen}else if(y&32){E.mode=Mt;break top}else{e.msg=`invalid literal/length code`,E.mode=jt;break top}break}}while(n<r&&i<o);b=p>>3,n-=b,p-=b<<3,f&=(1<<p)-1,e.next_in=n,e.next_out=i,e.avail_in=n<r?5+(r-n):5-(n-r),e.avail_out=i<o?257+(o-i):257-(i-o),E.hold=f,E.bits=p}var Pt=15,Ft=852,It=592,Lt=0,Rt=1,zt=2,Bt=new Uint16Array([3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0]),Vt=new Uint8Array([16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,199,75]),Ht=new Uint16Array([1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0]),Ut=new Uint8Array([16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64]),Wt=(e,t,n,r,i,a,o,s)=>{let c=s.bits,l=0,u=0,d=0,f=0,p=0,m=0,h=0,g=0,_=0,v=0,y,b,x,S,C,w=null,T,E=new Uint16Array(16),D=new Uint16Array(16),O=null,k,A,j;for(l=0;l<=Pt;l++)E[l]=0;for(u=0;u<r;u++)E[t[n+u]]++;for(p=c,f=Pt;f>=1&&E[f]===0;f--);if(p>f&&(p=f),f===0)return i[a++]=20971520,i[a++]=20971520,s.bits=1,0;for(d=1;d<f&&E[d]===0;d++);for(p<d&&(p=d),g=1,l=1;l<=Pt;l++)if(g<<=1,g-=E[l],g<0)return-1;if(g>0&&(e===Lt||f!==1))return-1;for(D[1]=0,l=1;l<Pt;l++)D[l+1]=D[l]+E[l];for(u=0;u<r;u++)t[n+u]!==0&&(o[D[t[n+u]]++]=u);if(e===Lt?(w=O=o,T=20):e===Rt?(w=Bt,O=Vt,T=257):(w=Ht,O=Ut,T=0),v=0,u=0,l=d,C=a,m=p,h=0,x=-1,_=1<<p,S=_-1,e===Rt&&_>Ft||e===zt&&_>It)return 1;for(;;){k=l-h,o[u]+1<T?(A=0,j=o[u]):o[u]>=T?(A=O[o[u]-T],j=w[o[u]-T]):(A=96,j=0),y=1<<l-h,b=1<<m,d=b;do b-=y,i[C+(v>>h)+b]=k<<24|A<<16|j|0;while(b!==0);for(y=1<<l-1;v&y;)y>>=1;if(y===0?v=0:(v&=y-1,v+=y),u++,--E[l]===0){if(l===f)break;l=t[n+o[u]]}if(l>p&&(v&S)!==x){for(h===0&&(h=p),C+=d,m=l-h,g=1<<m;m+h<f&&(g-=E[m+h],!(g<=0));)m++,g<<=1;if(_+=1<<m,e===Rt&&_>Ft||e===zt&&_>It)return 1;x=v&S,i[x]=p<<24|m<<16|C-a|0}}return v!==0&&(i[C+v]=l-h<<24|4194304),s.bits=p,0},Gt=0,Kt=1,qt=2,Jt=16180,Yt=16181,Xt=16182,Zt=16183,Qt=16184,$t=16185,en=16186,tn=16187,nn=16188,rn=16189,an=16190,X=16191,on=16192,sn=16193,cn=16194,ln=16195,un=16196,dn=16197,fn=16198,pn=16199,mn=16200,hn=16201,gn=16202,_n=16203,vn=16204,yn=16205,bn=16206,xn=16207,Sn=16208,Z=16209,Cn=16210,wn=16211,Tn=852,En=592,Dn=15,On=e=>(e>>>24&255)+(e>>>8&65280)+((e&65280)<<8)+((e&255)<<24),kn=class{constructor(){this.strm=null,this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,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}},Q=e=>{if(!e)return 1;let t=e.state;return+(!t||t.strm!==e||t.mode<Jt||t.mode>wn)},An=e=>{if(Q(e))return-2;let t=e.state;return e.total_in=e.total_out=t.total=0,e.msg=``,t.wrap&&(e.adler=t.wrap&1),t.mode=Jt,t.last=0,t.havedict=0,t.flags=-1,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(Tn),t.distcode=t.distdyn=new Int32Array(En),t.sane=1,t.back=-1,0},jn=e=>{if(Q(e))return-2;let t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,An(e)},Mn=(e,t)=>{let n;if(Q(e))return-2;let r=e.state;return t<0?(n=0,t=-t):(n=(t>>4)+5,t<48&&(t&=15)),t&&(t<8||t>15)?-2:(r.window!==null&&r.wbits!==t&&(r.window=null),r.wrap=n,r.wbits=t,jn(e))},Nn=(e,t)=>{if(!e)return-2;let n=new kn;e.state=n,n.strm=e,n.window=null,n.mode=Jt;let r=Mn(e,t);return r!==0&&(e.state=null),r},Pn=e=>Nn(e,Dn),Fn=!0,In,Ln,Rn=e=>{if(Fn){In=new Int32Array(512),Ln=new Int32Array(32);let t=0;for(;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(Wt(Kt,e.lens,0,288,In,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;Wt(qt,e.lens,0,32,Ln,0,e.work,{bits:5}),Fn=!1}e.lencode=In,e.lenbits=9,e.distcode=Ln,e.distbits=5},zn=(e,t,n,r)=>{let i,a=e.state;return a.window===null&&(a.window=new Uint8Array(1<<a.wbits)),a.wsize===0&&(a.wsize=1<<a.wbits,a.wnext=0,a.whave=0),r>=a.wsize?(a.window.set(t.subarray(n-a.wsize,n),0),a.wnext=0,a.whave=a.wsize):(i=a.wsize-a.wnext,i>r&&(i=r),a.window.set(t.subarray(n-r,n-r+i),a.wnext),r-=i,r?(a.window.set(t.subarray(n-r,n),0),a.wnext=r,a.whave=a.wsize):(a.wnext+=i,a.wnext===a.wsize&&(a.wnext=0),a.whave<a.wsize&&(a.whave+=i))),0},Bn=(e,t)=>{let n,r,i,a,o,s,c,l,u,d,f,p,m,h,g=0,_,v,y,b,x,S,C,w,T=new Uint8Array(4),E,D,O=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(Q(e)||!e.output||!e.input&&e.avail_in!==0)return-2;n=e.state,n.mode===X&&(n.mode=on),o=e.next_out,i=e.output,c=e.avail_out,a=e.next_in,r=e.input,s=e.avail_in,l=n.hold,u=n.bits,d=s,f=c,w=0;inf_leave:for(;;)switch(n.mode){case Jt:if(n.wrap===0){n.mode=on;break}for(;u<16;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if(n.wrap&2&&l===35615){n.wbits===0&&(n.wbits=15),n.check=0,T[0]=l&255,T[1]=l>>>8&255,n.check=F(n.check,T,2,0),l=0,u=0,n.mode=Yt;break}if(n.head&&(n.head.done=!1),!(n.wrap&1)||(((l&255)<<8)+(l>>8))%31){e.msg=`incorrect header check`,n.mode=Z;break}if((l&15)!=8){e.msg=`unknown compression method`,n.mode=Z;break}if(l>>>=4,u-=4,C=(l&15)+8,n.wbits===0&&(n.wbits=C),C>15||C>n.wbits){e.msg=`invalid window size`,n.mode=Z;break}n.dmax=1<<n.wbits,n.flags=0,e.adler=n.check=1,n.mode=l&512?rn:X,l=0,u=0;break;case Yt:for(;u<16;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if(n.flags=l,(n.flags&255)!=8){e.msg=`unknown compression method`,n.mode=Z;break}if(n.flags&57344){e.msg=`unknown header flags set`,n.mode=Z;break}n.head&&(n.head.text=l>>8&1),n.flags&512&&n.wrap&4&&(T[0]=l&255,T[1]=l>>>8&255,n.check=F(n.check,T,2,0)),l=0,u=0,n.mode=Xt;case Xt:for(;u<32;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}n.head&&(n.head.time=l),n.flags&512&&n.wrap&4&&(T[0]=l&255,T[1]=l>>>8&255,T[2]=l>>>16&255,T[3]=l>>>24&255,n.check=F(n.check,T,4,0)),l=0,u=0,n.mode=Zt;case Zt:for(;u<16;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}n.head&&(n.head.xflags=l&255,n.head.os=l>>8),n.flags&512&&n.wrap&4&&(T[0]=l&255,T[1]=l>>>8&255,n.check=F(n.check,T,2,0)),l=0,u=0,n.mode=Qt;case Qt:if(n.flags&1024){for(;u<16;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}n.length=l,n.head&&(n.head.extra_len=l),n.flags&512&&n.wrap&4&&(T[0]=l&255,T[1]=l>>>8&255,n.check=F(n.check,T,2,0)),l=0,u=0}else n.head&&(n.head.extra=null);n.mode=$t;case $t:if(n.flags&1024&&(p=n.length,p>s&&(p=s),p&&(n.head&&(C=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Uint8Array(n.head.extra_len)),n.head.extra.set(r.subarray(a,a+p),C)),n.flags&512&&n.wrap&4&&(n.check=F(n.check,r,p,a)),s-=p,a+=p,n.length-=p),n.length))break inf_leave;n.length=0,n.mode=en;case en:if(n.flags&2048){if(s===0)break inf_leave;p=0;do C=r[a+p++],n.head&&C&&n.length<65536&&(n.head.name+=String.fromCharCode(C));while(C&&p<s);if(n.flags&512&&n.wrap&4&&(n.check=F(n.check,r,p,a)),s-=p,a+=p,C)break inf_leave}else n.head&&(n.head.name=null);n.length=0,n.mode=tn;case tn:if(n.flags&4096){if(s===0)break inf_leave;p=0;do C=r[a+p++],n.head&&C&&n.length<65536&&(n.head.comment+=String.fromCharCode(C));while(C&&p<s);if(n.flags&512&&n.wrap&4&&(n.check=F(n.check,r,p,a)),s-=p,a+=p,C)break inf_leave}else n.head&&(n.head.comment=null);n.mode=nn;case nn:if(n.flags&512){for(;u<16;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if(n.wrap&4&&l!==(n.check&65535)){e.msg=`header crc mismatch`,n.mode=Z;break}l=0,u=0}n.head&&(n.head.hcrc=n.flags>>9&1,n.head.done=!0),e.adler=n.check=0,n.mode=X;break;case rn:for(;u<32;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}e.adler=n.check=On(l),l=0,u=0,n.mode=an;case an:if(n.havedict===0)return e.next_out=o,e.avail_out=c,e.next_in=a,e.avail_in=s,n.hold=l,n.bits=u,2;e.adler=n.check=1,n.mode=X;case X:if(t===5||t===6)break inf_leave;case on:if(n.last){l>>>=u&7,u-=u&7,n.mode=bn;break}for(;u<3;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}switch(n.last=l&1,l>>>=1,--u,l&3){case 0:n.mode=sn;break;case 1:if(Rn(n),n.mode=pn,t===6){l>>>=2,u-=2;break inf_leave}break;case 2:n.mode=un;break;case 3:e.msg=`invalid block type`,n.mode=Z}l>>>=2,u-=2;break;case sn:for(l>>>=u&7,u-=u&7;u<32;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if((l&65535)!=(l>>>16^65535)){e.msg=`invalid stored block lengths`,n.mode=Z;break}if(n.length=l&65535,l=0,u=0,n.mode=cn,t===6)break inf_leave;case cn:n.mode=ln;case ln:if(p=n.length,p){if(p>s&&(p=s),p>c&&(p=c),p===0)break inf_leave;i.set(r.subarray(a,a+p),o),s-=p,a+=p,c-=p,o+=p,n.length-=p;break}n.mode=X;break;case un:for(;u<14;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if(n.nlen=(l&31)+257,l>>>=5,u-=5,n.ndist=(l&31)+1,l>>>=5,u-=5,n.ncode=(l&15)+4,l>>>=4,u-=4,n.nlen>286||n.ndist>30){e.msg=`too many length or distance symbols`,n.mode=Z;break}n.have=0,n.mode=dn;case dn:for(;n.have<n.ncode;){for(;u<3;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}n.lens[O[n.have++]]=l&7,l>>>=3,u-=3}for(;n.have<19;)n.lens[O[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,E={bits:n.lenbits},w=Wt(Gt,n.lens,0,19,n.lencode,0,n.work,E),n.lenbits=E.bits,w){e.msg=`invalid code lengths set`,n.mode=Z;break}n.have=0,n.mode=fn;case fn:for(;n.have<n.nlen+n.ndist;){for(;g=n.lencode[l&(1<<n.lenbits)-1],_=g>>>24,v=g>>>16&255,y=g&65535,!(_<=u);){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if(y<16)l>>>=_,u-=_,n.lens[n.have++]=y;else{if(y===16){for(D=_+2;u<D;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if(l>>>=_,u-=_,n.have===0){e.msg=`invalid bit length repeat`,n.mode=Z;break}C=n.lens[n.have-1],p=3+(l&3),l>>>=2,u-=2}else if(y===17){for(D=_+3;u<D;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}l>>>=_,u-=_,C=0,p=3+(l&7),l>>>=3,u-=3}else{for(D=_+7;u<D;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}l>>>=_,u-=_,C=0,p=11+(l&127),l>>>=7,u-=7}if(n.have+p>n.nlen+n.ndist){e.msg=`invalid bit length repeat`,n.mode=Z;break}for(;p--;)n.lens[n.have++]=C}}if(n.mode===Z)break;if(n.lens[256]===0){e.msg=`invalid code -- missing end-of-block`,n.mode=Z;break}if(n.lenbits=9,E={bits:n.lenbits},w=Wt(Kt,n.lens,0,n.nlen,n.lencode,0,n.work,E),n.lenbits=E.bits,w){e.msg=`invalid literal/lengths set`,n.mode=Z;break}if(n.distbits=6,n.distcode=n.distdyn,E={bits:n.distbits},w=Wt(qt,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,E),n.distbits=E.bits,w){e.msg=`invalid distances set`,n.mode=Z;break}if(n.mode=pn,t===6)break inf_leave;case pn:n.mode=mn;case mn:if(s>=6&&c>=258){e.next_out=o,e.avail_out=c,e.next_in=a,e.avail_in=s,n.hold=l,n.bits=u,Nt(e,f),o=e.next_out,i=e.output,c=e.avail_out,a=e.next_in,r=e.input,s=e.avail_in,l=n.hold,u=n.bits,n.mode===X&&(n.back=-1);break}for(n.back=0;g=n.lencode[l&(1<<n.lenbits)-1],_=g>>>24,v=g>>>16&255,y=g&65535,!(_<=u);){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if(v&&!(v&240)){for(b=_,x=v,S=y;g=n.lencode[S+((l&(1<<b+x)-1)>>b)],_=g>>>24,v=g>>>16&255,y=g&65535,!(b+_<=u);){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}l>>>=b,u-=b,n.back+=b}if(l>>>=_,u-=_,n.back+=_,n.length=y,v===0){n.mode=yn;break}if(v&32){n.back=-1,n.mode=X;break}if(v&64){e.msg=`invalid literal/length code`,n.mode=Z;break}n.extra=v&15,n.mode=hn;case hn:if(n.extra){for(D=n.extra;u<D;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}n.length+=l&(1<<n.extra)-1,l>>>=n.extra,u-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=gn;case gn:for(;g=n.distcode[l&(1<<n.distbits)-1],_=g>>>24,v=g>>>16&255,y=g&65535,!(_<=u);){if(s===0)break 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bn:if(n.wrap){for(;u<32;){if(s===0)break inf_leave;s--,l|=r[a++]<<u,u+=8}if(f-=c,e.total_out+=f,n.total+=f,n.wrap&4&&f&&(e.adler=n.check=n.flags?F(n.check,i,f,o-f):ke(n.check,i,f,o-f)),f=c,n.wrap&4&&(n.flags?l:On(l))!==n.check){e.msg=`incorrect data check`,n.mode=Z;break}l=0,u=0}n.mode=xn;case xn:if(n.wrap&&n.flags){for(;u<32;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}if(n.wrap&4&&l!==(n.total&4294967295)){e.msg=`incorrect length check`,n.mode=Z;break}l=0,u=0}n.mode=Sn;case Sn:w=1;break inf_leave;case Z:w=-3;break inf_leave;case Cn:return-4;case wn:default:return-2}return 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