pako/dist/browser/pako_inflate.umd.min.js

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

(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,_=256,v=16,y=17,b=18,x=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]),S=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]);new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7]);var C=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),w=512,T=Array(288*2);a(T);var E=Array(f*2);a(E);var D=Array(w);a(D);var O=Array(256);a(O);var k=Array(l);a(k);var A=Array(f);a(A);var 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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[_*2]=1,e.opt_len=e.static_len=0,e.sym_next=e.matches=0},ie=e=>{e.bi_valid>8?M(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0},ae=(e,t,n,r)=>{let i=t*2,a=n*2;return e[i]<e[a]||e[i]===e[a]&&r[t]<=r[n]},oe=(e,t,n)=>{let r=e.heap[n],i=n<<1;for(;i<=e.heap_len&&(i<e.heap_len&&ae(t,e.heap[i+1],e.heap[i],e.depth)&&i++,!ae(t,r,e.heap[i],e.depth));)e.heap[n]=e.heap[i],n=i,i<<=1;e.heap[n]=r},se=(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?P(e,i,t):(o=O[i],P(e,o+u+1,t),s=x[o],s!==0&&(i-=k[o],N(e,i,s)),r--,o=j(r),P(e,o,n),s=S[o],s!==0&&(r-=A[o],N(e,r,s)));while(a<e.sym_next);P(e,_,t)},ce=(e,t)=>{let 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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},_e=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})()),I=(e,t,n,r)=>{let i=_e,a=r+n;e^=-1;for(let n=r;n<a;n++)e=e>>>8^i[(e^t[n])&255];return e^-1},ve={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`},L=3,ye=258,R=262,z=1,be=2,xe=3,Se=4,Ce=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)},we=(e,t,n)=>(t<<e.hash_shift^n)&e.hash_mask,B=(e,t)=>{let n;if(e.legacy_hash)n=e.ins_h=we(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 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z;if(e.lookahead===0)break}if(n=0,e.lookahead>=L&&(n=B(e,e.strstart)),e.prev_length=e.match_length,e.prev_match=e.match_start,e.match_length=L-1,n!==0&&e.prev_length<e.max_lazy_match&&e.strstart-n<=e.w_size-R&&(e.match_length=De(e,n),e.match_length<=5&&(e.strategy===1||e.match_length===L&&e.strstart-e.match_start>4096)&&(e.match_length=L-1)),e.prev_length>=L&&e.match_length<=e.prev_length){i=e.strstart+e.lookahead-L,r=F(e,e.strstart-1-e.prev_match,e.prev_length-L),e.lookahead-=e.prev_length-1,e.prev_length-=2;do++e.strstart<=i&&(n=B(e,e.strstart));while(--e.prev_length!==0);if(e.match_available=0,e.match_length=L-1,e.strstart++,r&&(V(e,!1),e.strm.avail_out===0))return z}else if(e.match_available){if(r=F(e,0,e.window[e.strstart-1]),r&&V(e,!1),e.strstart++,e.lookahead--,e.strm.avail_out===0)return z}else e.match_available=1,e.strstart++,e.lookahead--}return e.match_available&&(r=F(e,0,e.window[e.strstart-1]),e.match_available=0),e.insert=e.strstart<L-1?e.strstart:L-1,t===4?(V(e,!0),e.strm.avail_out===0?xe:Se):e.sym_next&&(V(e,!1),e.strm.avail_out===0)?z:be},U=class{constructor(e,t,n,r,i){this.good_length=e,this.max_lazy=t,this.nice_length=n,this.max_chain=r,this.func=i}};new U(0,0,0,0,ke),new U(4,4,8,4,Ae),new U(4,5,16,8,Ae),new U(4,6,32,32,Ae),new U(4,4,16,16,H),new U(8,16,32,32,H),new U(8,16,128,128,H),new U(8,32,128,256,H),new U(32,128,258,1024,H),new U(32,258,258,4096,H);var W=16209,je=16191;function Me(e,t){let n,r,i,a,o,s,c,l,u,d,f,p,m,h,g,_,v,y,b,x,S,C,w,T,E=e.state;n=e.next_in,w=e.input,r=n+(e.avail_in-5),i=e.next_out,T=e.output,a=i-(t-e.avail_out),o=i+(e.avail_out-257),s=E.dmax,c=E.wsize,l=E.whave,u=E.wnext,d=E.window,f=E.hold,p=E.bits,m=E.lencode,h=E.distcode,g=(1<<E.lenbits)-1,_=(1<<E.distbits)-1;top:do{p<15&&(f+=w[n++]<<p,p+=8,f+=w[n++]<<p,p+=8),v=m[f&g];dolen:for(;;){if(y=v>>>24,f>>>=y,p-=y,y=v>>>16&255,y===0)T[i++]=v&65535;else if(y&16){b=v&65535,y&=15,y&&(p<y&&(f+=w[n++]<<p,p+=8),b+=f&(1<<y)-1,f>>>=y,p-=y),p<15&&(f+=w[n++]<<p,p+=8,f+=w[n++]<<p,p+=8),v=h[f&_];dodist:for(;;){if(y=v>>>24,f>>>=y,p-=y,y=v>>>16&255,y&16){if(x=v&65535,y&=15,p<y&&(f+=w[n++]<<p,p+=8,p<y&&(f+=w[n++]<<p,p+=8)),x+=f&(1<<y)-1,x>s){e.msg=`invalid distance too far back`,E.mode=W;break 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=W;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=W;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=je;break top}else{e.msg=`invalid literal/length code`,E.mode=W;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 G=15,Ne=852,Pe=592,Fe=0,Ie=1,Le=2,Re=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]),ze=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]),Be=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]),Ve=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]),K=(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<=G;l++)E[l]=0;for(u=0;u<r;u++)E[t[n+u]]++;for(p=c,f=G;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<=G;l++)if(g<<=1,g-=E[l],g<0)return-1;if(g>0&&(e===Fe||f!==1))return-1;for(D[1]=0,l=1;l<G;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===Fe?(w=O=o,T=20):e===Ie?(w=Re,O=ze,T=257):(w=Be,O=Ve,T=0),v=0,u=0,l=d,C=a,m=p,h=0,x=-1,_=1<<p,S=_-1,e===Ie&&_>Ne||e===Le&&_>Pe)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===Ie&&_>Ne||e===Le&&_>Pe)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},He=0,Ue=1,We=2,q=16180,Ge=16181,Ke=16182,qe=16183,Je=16184,Ye=16185,Xe=16186,Ze=16187,Qe=16188,$e=16189,J=16190,Y=16191,et=16192,tt=16193,nt=16194,rt=16195,it=16196,at=16197,ot=16198,st=16199,ct=16200,lt=16201,ut=16202,dt=16203,ft=16204,pt=16205,mt=16206,ht=16207,gt=16208,X=16209,_t=16210,vt=16211,yt=852,bt=592,xt=e=>(e>>>24&255)+(e>>>8&65280)+((e&65280)<<8)+((e&255)<<24),St=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}},Z=e=>{if(!e)return 1;let t=e.state;return+(!t||t.strm!==e||t.mode<q||t.mode>vt)},Ct=e=>{if(Z(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=q,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(yt),t.distcode=t.distdyn=new Int32Array(bt),t.sane=1,t.back=-1,0},wt=e=>{if(Z(e))return-2;let t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,Ct(e)},Tt=(e,t)=>{let n;if(Z(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,wt(e))},Et=(e,t)=>{if(!e)return-2;let n=new St;e.state=n,n.strm=e,n.window=null,n.mode=q;let r=Tt(e,t);return r!==0&&(e.state=null),r},Dt=!0,Ot,kt,At=e=>{if(Dt){Ot=new Int32Array(512),kt=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(K(Ue,e.lens,0,288,Ot,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;K(We,e.lens,0,32,kt,0,e.work,{bits:5}),Dt=!1}e.lencode=Ot,e.lenbits=9,e.distcode=kt,e.distbits=5},jt=(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},Mt=(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(Z(e)||!e.output||!e.input&&e.avail_in!==0)return-2;n=e.state,n.mode===Y&&(n.mode=et),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 q:if(n.wrap===0){n.mode=et;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=I(n.check,T,2,0),l=0,u=0,n.mode=Ge;break}if(n.head&&(n.head.done=!1),!(n.wrap&1)||(((l&255)<<8)+(l>>8))%31){e.msg=`incorrect header check`,n.mode=X;break}if((l&15)!=8){e.msg=`unknown compression method`,n.mode=X;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=X;break}n.dmax=1<<n.wbits,n.flags=0,e.adler=n.check=1,n.mode=l&512?$e:Y,l=0,u=0;break;case Ge: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=X;break}if(n.flags&57344){e.msg=`unknown header flags set`,n.mode=X;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=I(n.check,T,2,0)),l=0,u=0,n.mode=Ke;case Ke: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=I(n.check,T,4,0)),l=0,u=0,n.mode=qe;case qe: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=I(n.check,T,2,0)),l=0,u=0,n.mode=Je;case Je: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=I(n.check,T,2,0)),l=0,u=0}else n.head&&(n.head.extra=null);n.mode=Ye;case Ye: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=I(n.check,r,p,a)),s-=p,a+=p,n.length-=p),n.length))break inf_leave;n.length=0,n.mode=Xe;case Xe: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=I(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=Ze;case Ze: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=I(n.check,r,p,a)),s-=p,a+=p,C)break inf_leave}else n.head&&(n.head.comment=null);n.mode=Qe;case Qe: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=X;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=Y;break;case $e:for(;u<32;){if(s===0)break inf_leave;s--,l+=r[a++]<<u,u+=8}e.adler=n.check=xt(l),l=0,u=0,n.mode=J;case J: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=Y;case Y:if(t===5||t===6)break inf_leave;case et:if(n.last){l>>>=u&7,u-=u&7,n.mode=mt;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=tt;break;case 1:if(At(n),n.mode=st,t===6){l>>>=2,u-=2;break inf_leave}break;case 2:n.mode=it;break;case 3:e.msg=`invalid block type`,n.mode=X}l>>>=2,u-=2;break;case tt: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=X;break}if(n.length=l&65535,l=0,u=0,n.mode=nt,t===6)break inf_leave;case nt:n.mode=rt;case rt: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=Y;break;case it: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=X;break}n.have=0,n.mode=at;case at: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=K(He,n.lens,0,19,n.lencode,0,n.work,E),n.lenbits=E.bits,w){e.msg=`invalid code lengths set`,n.mode=X;break}n.have=0,n.mode=ot;case ot: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=X;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=X;break}for(;p--;)n.lens[n.have++]=C}}if(n.mode===X)break;if(n.lens[256]===0){e.msg=`invalid code -- missing end-of-block`,n.mode=X;break}if(n.lenbits=9,E={bits:n.lenbits},w=K(Ue,n.lens,0,n.nlen,n.lencode,0,n.work,E),n.lenbits=E.bits,w){e.msg=`invalid literal/lengths set`,n.mode=X;break}if(n.distbits=6,n.distcode=n.distdyn,E={bits:n.distbits},w=K(We,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,E),n.distbits=E.bits,w){e.msg=`invalid distances set`,n.mode=X;break}if(n.mode=st,t===6)break inf_leave;case st:n.mode=ct;case 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