mirror of
https://github.com/0x5eal/rbxts-pako.git
synced 2025-04-10 05:40:57 +01:00
2 lines
20 KiB
JavaScript
2 lines
20 KiB
JavaScript
/*! pako 2.0.0 https://github.com/nodeca/pako @license (MIT AND Zlib) */
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).pako=t()}(this,(function(){"use strict";var e=(e,t,i,n)=>{let a=65535&e|0,r=e>>>16&65535|0,s=0;for(;0!==i;){s=i>2e3?2e3:i,i-=s;do{a=a+t[n++]|0,r=r+a|0}while(--s);a%=65521,r%=65521}return a|r<<16|0};const t=new Uint32Array((()=>{let e,t=[];for(var i=0;i<256;i++){e=i;for(var n=0;n<8;n++)e=1&e?3988292384^e>>>1:e>>>1;t[i]=e}return t})());var i=(e,i,n,a)=>{const r=t,s=a+n;e^=-1;for(let t=a;t<s;t++)e=e>>>8^r[255&(e^i[t])];return-1^e};var n=function(e,t){let i,n,a,r,s,o,l,d,f,h,c,u,w,b,m,k,_,g,v,p,y,x,E,R;const A=e.state;i=e.next_in,E=e.input,n=i+(e.avail_in-5),a=e.next_out,R=e.output,r=a-(t-e.avail_out),s=a+(e.avail_out-257),o=A.dmax,l=A.wsize,d=A.whave,f=A.wnext,h=A.window,c=A.hold,u=A.bits,w=A.lencode,b=A.distcode,m=(1<<A.lenbits)-1,k=(1<<A.distbits)-1;e:do{u<15&&(c+=E[i++]<<u,u+=8,c+=E[i++]<<u,u+=8),_=w[c&m];t:for(;;){if(g=_>>>24,c>>>=g,u-=g,g=_>>>16&255,0===g)R[a++]=65535&_;else{if(!(16&g)){if(0==(64&g)){_=w[(65535&_)+(c&(1<<g)-1)];continue t}if(32&g){A.mode=12;break e}e.msg="invalid literal/length code",A.mode=30;break e}v=65535&_,g&=15,g&&(u<g&&(c+=E[i++]<<u,u+=8),v+=c&(1<<g)-1,c>>>=g,u-=g),u<15&&(c+=E[i++]<<u,u+=8,c+=E[i++]<<u,u+=8),_=b[c&k];i:for(;;){if(g=_>>>24,c>>>=g,u-=g,g=_>>>16&255,!(16&g)){if(0==(64&g)){_=b[(65535&_)+(c&(1<<g)-1)];continue i}e.msg="invalid distance code",A.mode=30;break e}if(p=65535&_,g&=15,u<g&&(c+=E[i++]<<u,u+=8,u<g&&(c+=E[i++]<<u,u+=8)),p+=c&(1<<g)-1,p>o){e.msg="invalid distance too far back",A.mode=30;break e}if(c>>>=g,u-=g,g=a-r,p>g){if(g=p-g,g>d&&A.sane){e.msg="invalid distance too far back",A.mode=30;break e}if(y=0,x=h,0===f){if(y+=l-g,g<v){v-=g;do{R[a++]=h[y++]}while(--g);y=a-p,x=R}}else if(f<g){if(y+=l+f-g,g-=f,g<v){v-=g;do{R[a++]=h[y++]}while(--g);if(y=0,f<v){g=f,v-=g;do{R[a++]=h[y++]}while(--g);y=a-p,x=R}}}else if(y+=f-g,g<v){v-=g;do{R[a++]=h[y++]}while(--g);y=a-p,x=R}for(;v>2;)R[a++]=x[y++],R[a++]=x[y++],R[a++]=x[y++],v-=3;v&&(R[a++]=x[y++],v>1&&(R[a++]=x[y++]))}else{y=a-p;do{R[a++]=R[y++],R[a++]=R[y++],R[a++]=R[y++],v-=3}while(v>2);v&&(R[a++]=R[y++],v>1&&(R[a++]=R[y++]))}break}}break}}while(i<n&&a<s);v=u>>3,i-=v,u-=v<<3,c&=(1<<u)-1,e.next_in=i,e.next_out=a,e.avail_in=i<n?n-i+5:5-(i-n),e.avail_out=a<s?s-a+257:257-(a-s),A.hold=c,A.bits=u};const a=15,r=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]),s=new Uint8Array([16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78]),o=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]),l=new Uint8Array([16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64]);var d=(e,t,i,n,d,f,h,c)=>{const u=c.bits;let w,b,m,k,_,g,v=0,p=0,y=0,x=0,E=0,R=0,A=0,Z=0,S=0,U=0,O=null,T=0;const D=new Uint16Array(16),B=new Uint16Array(16);let I,N,C,F=null,z=0;for(v=0;v<=a;v++)D[v]=0;for(p=0;p<n;p++)D[t[i+p]]++;for(E=u,x=a;x>=1&&0===D[x];x--);if(E>x&&(E=x),0===x)return d[f++]=20971520,d[f++]=20971520,c.bits=1,0;for(y=1;y<x&&0===D[y];y++);for(E<y&&(E=y),Z=1,v=1;v<=a;v++)if(Z<<=1,Z-=D[v],Z<0)return-1;if(Z>0&&(0===e||1!==x))return-1;for(B[1]=0,v=1;v<a;v++)B[v+1]=B[v]+D[v];for(p=0;p<n;p++)0!==t[i+p]&&(h[B[t[i+p]]++]=p);if(0===e?(O=F=h,g=19):1===e?(O=r,T-=257,F=s,z-=257,g=256):(O=o,F=l,g=-1),U=0,p=0,v=y,_=f,R=E,A=0,m=-1,S=1<<E,k=S-1,1===e&&S>852||2===e&&S>592)return 1;for(;;){I=v-A,h[p]<g?(N=0,C=h[p]):h[p]>g?(N=F[z+h[p]],C=O[T+h[p]]):(N=96,C=0),w=1<<v-A,b=1<<R,y=b;do{b-=w,d[_+(U>>A)+b]=I<<24|N<<16|C|0}while(0!==b);for(w=1<<v-1;U&w;)w>>=1;if(0!==w?(U&=w-1,U+=w):U=0,p++,0==--D[v]){if(v===x)break;v=t[i+h[p]]}if(v>E&&(U&k)!==m){for(0===A&&(A=E),_+=y,R=v-A,Z=1<<R;R+A<x&&(Z-=D[R+A],!(Z<=0));)R++,Z<<=1;if(S+=1<<R,1===e&&S>852||2===e&&S>592)return 1;m=U&k,d[m]=E<<24|R<<16|_-f|0}}return 0!==U&&(d[_+U]=v-A<<24|64<<16|0),c.bits=E,0},f={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_MEM_ERROR:-4,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8};const{Z_FINISH:h,Z_BLOCK:c,Z_TREES:u,Z_OK:w,Z_STREAM_END:b,Z_NEED_DICT:m,Z_STREAM_ERROR:k,Z_DATA_ERROR:_,Z_MEM_ERROR:g,Z_BUF_ERROR:v,Z_DEFLATED:p}=f,y=12,x=30,E=e=>(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24);function R(){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}const A=e=>{if(!e||!e.state)return k;const t=e.state;return e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=1,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(852),t.distcode=t.distdyn=new Int32Array(592),t.sane=1,t.back=-1,w},Z=e=>{if(!e||!e.state)return k;const t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,A(e)},S=(e,t)=>{let i;if(!e||!e.state)return k;const n=e.state;return t<0?(i=0,t=-t):(i=1+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?k:(null!==n.window&&n.wbits!==t&&(n.window=null),n.wrap=i,n.wbits=t,Z(e))},U=(e,t)=>{if(!e)return k;const i=new R;e.state=i,i.window=null;const n=S(e,t);return n!==w&&(e.state=null),n};let O,T,D=!0;const B=e=>{if(D){O=new Int32Array(512),T=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(d(1,e.lens,0,288,O,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;d(2,e.lens,0,32,T,0,e.work,{bits:5}),D=!1}e.lencode=O,e.lenbits=9,e.distcode=T,e.distbits=5},I=(e,t,i,n)=>{let a;const r=e.state;return null===r.window&&(r.wsize=1<<r.wbits,r.wnext=0,r.whave=0,r.window=new Uint8Array(r.wsize)),n>=r.wsize?(r.window.set(t.subarray(i-r.wsize,i),0),r.wnext=0,r.whave=r.wsize):(a=r.wsize-r.wnext,a>n&&(a=n),r.window.set(t.subarray(i-n,i-n+a),r.wnext),(n-=a)?(r.window.set(t.subarray(i-n,i),0),r.wnext=n,r.whave=r.wsize):(r.wnext+=a,r.wnext===r.wsize&&(r.wnext=0),r.whave<r.wsize&&(r.whave+=a))),0};var N={inflateReset:Z,inflateReset2:S,inflateResetKeep:A,inflateInit:e=>U(e,15),inflateInit2:U,inflate:(t,a)=>{let r,s,o,l,f,R,A,Z,S,U,O,T,D,N,C,F,z,L,M,H,j,K,P=0;const Y=new Uint8Array(4);let G,X;const W=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(!t||!t.state||!t.output||!t.input&&0!==t.avail_in)return k;r=t.state,r.mode===y&&(r.mode=13),f=t.next_out,o=t.output,A=t.avail_out,l=t.next_in,s=t.input,R=t.avail_in,Z=r.hold,S=r.bits,U=R,O=A,K=w;e:for(;;)switch(r.mode){case 1:if(0===r.wrap){r.mode=13;break}for(;S<16;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}if(2&r.wrap&&35615===Z){r.check=0,Y[0]=255&Z,Y[1]=Z>>>8&255,r.check=i(r.check,Y,2,0),Z=0,S=0,r.mode=2;break}if(r.flags=0,r.head&&(r.head.done=!1),!(1&r.wrap)||(((255&Z)<<8)+(Z>>8))%31){t.msg="incorrect header check",r.mode=x;break}if((15&Z)!==p){t.msg="unknown compression method",r.mode=x;break}if(Z>>>=4,S-=4,j=8+(15&Z),0===r.wbits)r.wbits=j;else if(j>r.wbits){t.msg="invalid window size",r.mode=x;break}r.dmax=1<<r.wbits,t.adler=r.check=1,r.mode=512&Z?10:y,Z=0,S=0;break;case 2:for(;S<16;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}if(r.flags=Z,(255&r.flags)!==p){t.msg="unknown compression method",r.mode=x;break}if(57344&r.flags){t.msg="unknown header flags set",r.mode=x;break}r.head&&(r.head.text=Z>>8&1),512&r.flags&&(Y[0]=255&Z,Y[1]=Z>>>8&255,r.check=i(r.check,Y,2,0)),Z=0,S=0,r.mode=3;case 3:for(;S<32;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}r.head&&(r.head.time=Z),512&r.flags&&(Y[0]=255&Z,Y[1]=Z>>>8&255,Y[2]=Z>>>16&255,Y[3]=Z>>>24&255,r.check=i(r.check,Y,4,0)),Z=0,S=0,r.mode=4;case 4:for(;S<16;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}r.head&&(r.head.xflags=255&Z,r.head.os=Z>>8),512&r.flags&&(Y[0]=255&Z,Y[1]=Z>>>8&255,r.check=i(r.check,Y,2,0)),Z=0,S=0,r.mode=5;case 5:if(1024&r.flags){for(;S<16;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}r.length=Z,r.head&&(r.head.extra_len=Z),512&r.flags&&(Y[0]=255&Z,Y[1]=Z>>>8&255,r.check=i(r.check,Y,2,0)),Z=0,S=0}else r.head&&(r.head.extra=null);r.mode=6;case 6:if(1024&r.flags&&(T=r.length,T>R&&(T=R),T&&(r.head&&(j=r.head.extra_len-r.length,r.head.extra||(r.head.extra=new Uint8Array(r.head.extra_len)),r.head.extra.set(s.subarray(l,l+T),j)),512&r.flags&&(r.check=i(r.check,s,T,l)),R-=T,l+=T,r.length-=T),r.length))break e;r.length=0,r.mode=7;case 7:if(2048&r.flags){if(0===R)break e;T=0;do{j=s[l+T++],r.head&&j&&r.length<65536&&(r.head.name+=String.fromCharCode(j))}while(j&&T<R);if(512&r.flags&&(r.check=i(r.check,s,T,l)),R-=T,l+=T,j)break e}else r.head&&(r.head.name=null);r.length=0,r.mode=8;case 8:if(4096&r.flags){if(0===R)break e;T=0;do{j=s[l+T++],r.head&&j&&r.length<65536&&(r.head.comment+=String.fromCharCode(j))}while(j&&T<R);if(512&r.flags&&(r.check=i(r.check,s,T,l)),R-=T,l+=T,j)break e}else r.head&&(r.head.comment=null);r.mode=9;case 9:if(512&r.flags){for(;S<16;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}if(Z!==(65535&r.check)){t.msg="header crc mismatch",r.mode=x;break}Z=0,S=0}r.head&&(r.head.hcrc=r.flags>>9&1,r.head.done=!0),t.adler=r.check=0,r.mode=y;break;case 10:for(;S<32;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}t.adler=r.check=E(Z),Z=0,S=0,r.mode=11;case 11:if(0===r.havedict)return t.next_out=f,t.avail_out=A,t.next_in=l,t.avail_in=R,r.hold=Z,r.bits=S,m;t.adler=r.check=1,r.mode=y;case y:if(a===c||a===u)break e;case 13:if(r.last){Z>>>=7&S,S-=7&S,r.mode=27;break}for(;S<3;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}switch(r.last=1&Z,Z>>>=1,S-=1,3&Z){case 0:r.mode=14;break;case 1:if(B(r),r.mode=20,a===u){Z>>>=2,S-=2;break e}break;case 2:r.mode=17;break;case 3:t.msg="invalid block type",r.mode=x}Z>>>=2,S-=2;break;case 14:for(Z>>>=7&S,S-=7&S;S<32;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}if((65535&Z)!=(Z>>>16^65535)){t.msg="invalid stored block lengths",r.mode=x;break}if(r.length=65535&Z,Z=0,S=0,r.mode=15,a===u)break e;case 15:r.mode=16;case 16:if(T=r.length,T){if(T>R&&(T=R),T>A&&(T=A),0===T)break e;o.set(s.subarray(l,l+T),f),R-=T,l+=T,A-=T,f+=T,r.length-=T;break}r.mode=y;break;case 17:for(;S<14;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}if(r.nlen=257+(31&Z),Z>>>=5,S-=5,r.ndist=1+(31&Z),Z>>>=5,S-=5,r.ncode=4+(15&Z),Z>>>=4,S-=4,r.nlen>286||r.ndist>30){t.msg="too many length or distance symbols",r.mode=x;break}r.have=0,r.mode=18;case 18:for(;r.have<r.ncode;){for(;S<3;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}r.lens[W[r.have++]]=7&Z,Z>>>=3,S-=3}for(;r.have<19;)r.lens[W[r.have++]]=0;if(r.lencode=r.lendyn,r.lenbits=7,G={bits:r.lenbits},K=d(0,r.lens,0,19,r.lencode,0,r.work,G),r.lenbits=G.bits,K){t.msg="invalid code lengths set",r.mode=x;break}r.have=0,r.mode=19;case 19:for(;r.have<r.nlen+r.ndist;){for(;P=r.lencode[Z&(1<<r.lenbits)-1],C=P>>>24,F=P>>>16&255,z=65535&P,!(C<=S);){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}if(z<16)Z>>>=C,S-=C,r.lens[r.have++]=z;else{if(16===z){for(X=C+2;S<X;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}if(Z>>>=C,S-=C,0===r.have){t.msg="invalid bit length repeat",r.mode=x;break}j=r.lens[r.have-1],T=3+(3&Z),Z>>>=2,S-=2}else if(17===z){for(X=C+3;S<X;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}Z>>>=C,S-=C,j=0,T=3+(7&Z),Z>>>=3,S-=3}else{for(X=C+7;S<X;){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}Z>>>=C,S-=C,j=0,T=11+(127&Z),Z>>>=7,S-=7}if(r.have+T>r.nlen+r.ndist){t.msg="invalid bit length repeat",r.mode=x;break}for(;T--;)r.lens[r.have++]=j}}if(r.mode===x)break;if(0===r.lens[256]){t.msg="invalid code -- missing end-of-block",r.mode=x;break}if(r.lenbits=9,G={bits:r.lenbits},K=d(1,r.lens,0,r.nlen,r.lencode,0,r.work,G),r.lenbits=G.bits,K){t.msg="invalid literal/lengths set",r.mode=x;break}if(r.distbits=6,r.distcode=r.distdyn,G={bits:r.distbits},K=d(2,r.lens,r.nlen,r.ndist,r.distcode,0,r.work,G),r.distbits=G.bits,K){t.msg="invalid distances set",r.mode=x;break}if(r.mode=20,a===u)break e;case 20:r.mode=21;case 21:if(R>=6&&A>=258){t.next_out=f,t.avail_out=A,t.next_in=l,t.avail_in=R,r.hold=Z,r.bits=S,n(t,O),f=t.next_out,o=t.output,A=t.avail_out,l=t.next_in,s=t.input,R=t.avail_in,Z=r.hold,S=r.bits,r.mode===y&&(r.back=-1);break}for(r.back=0;P=r.lencode[Z&(1<<r.lenbits)-1],C=P>>>24,F=P>>>16&255,z=65535&P,!(C<=S);){if(0===R)break e;R--,Z+=s[l++]<<S,S+=8}if(F&&0==(240&F)){for(L=C,M=F,H=z;P=r.lencode[H+((Z&(1<<L+M)-1)>>L)],C=P>>>24,F=P>>>16&255,z=65535&P,!(L+C<=S);){if(0===R)break 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