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4 lines
70 KiB
JavaScript
4 lines
70 KiB
JavaScript
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/* Copyright 2015-2021 Esri. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. 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m=Math.ceil((o-i)/s);for(l=0;l<r;l++)0===_&&(h=e[c++],_=32,p=0),_>=a?(f=h>>>p&u,_-=a,p+=a):(f=h>>>p&u,_=32-(d=a-_),f|=((h=e[c++])&(1<<d)-1)<<a-d,p=d),t[l]=f<m?i+f*s:o}return t},r=function(e,t,a,r,n,i){var s,o=(1<<t)-1,l=0,f=0,h=0,d=0,u=0,c=0,_=[],p=Math.ceil((i-r)/n);for(f=0;f<a;f++)0===d&&(s=e[l++],d=32,c=0),d>=t?(u=s>>>c&o,d-=t,c+=t):(u=s>>>c&o,d=32-(h=t-d),u|=((s=e[l++])&(1<<h)-1)<<t-h,c=h),_[f]=u<p?r+u*n:i;return _.unshift(r),_},n=function(e,t,a,r){var n,i,s,o,l=(1<<a)-1,f=0,h=0,d=4*e.length-Math.ceil(a*r/8);for(e[e.length-1]<<=8*d,n=0;n<r;n++)0===h&&(s=e[f++],h=32),h>=a?(i=s>>>h-a&l,h-=a):(i=(s&l)<<(o=a-h)&l,i+=(s=e[f++])>>>(h=32-o)),t[n]=i;return t},i=function(e,t,a,r){var n,i,s,o,l=(1<<a)-1,f=0,h=0,d=0;for(n=0;n<r;n++)0===h&&(s=e[f++],h=32,d=0),h>=a?(i=s>>>d&l,h-=a,d+=a):(i=s>>>d&l,h=32-(o=a-h),i|=((s=e[f++])&(1<<o)-1)<<a-o,d=o),t[n]=i;return t},s={HUFFMAN_LUT_BITS_MAX:12,computeChecksumFletcher32:function(e){for(var t=65535,a=65535,r=e.length,n=Math.floor(r/2),i=0;n;){var 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Uint32Array(w),v=0,k=0;for(g=b[0],h=i;h<l;h++)(c=_[d=h-(h<n?0:n)].first)>0&&(_[d].second=g<<v>>>32-c,32-v>=c?32===(v+=c)&&(v=0,g=b[++k]):(v+=c-32,g=b[++k],_[d].second|=g>>>32-v));var y=0,x=0,A=new o;for(h=0;h<_.length;h++)void 0!==_[h]&&(y=Math.max(y,_[h].first));x=y>=a?a:y;var U,z,I,D,S,E=[];for(h=i;h<l;h++)if((c=_[d=h-(h<n?0:n)].first)>0)if(U=[c,d],c<=x)for(z=_[d].second<<x-c,I=1<<x-c,u=0;u<I;u++)E[z|u]=U;else for(z=_[d].second,S=A,D=c-1;D>=0;D--)z>>>D&1?(S.right||(S.right=new o),S=S.right):(S.left||(S.left=new o),S=S.left),0!==D||S.val||(S.val=U[1]);return{decodeLut:E,numBitsLUTQick:x,numBitsLUT:y,tree:A,stuffedData:b,srcPtr:k,bitPos:v}},readHuffman:function(e,t,a,r){var n,i,o,l,f,h,d,u,c,_=t.headerInfo.numDims,p=t.headerInfo.height,m=t.headerInfo.width,w=m*p,g=this.readHuffmanTree(e,t),b=g.decodeLut,v=g.tree,k=g.stuffedData,y=g.srcPtr,x=g.bitPos,A=g.numBitsLUTQick,U=g.numBitsLUT,z=0===t.headerInfo.imageType?128:0,I=t.pixels.resultMask,D=0;x>0&&(y++,x=0);var S,E=k[y],B=1===t.encodeMode,M=new a(w*_),T=M;if(_<2||B){for(S=0;S<_;S++)if(_>1&&(T=new a(M.buffer,w*S,w),D=0),t.headerInfo.numValidPixel===m*p)for(u=0,h=0;h<p;h++)for(d=0;d<m;d++,u++){if(i=0,f=l=E<<x>>>32-A,32-x<A&&(f=l|=k[y+1]>>>64-x-A),b[f])i=b[f][1],x+=b[f][0];else for(f=l=E<<x>>>32-U,32-x<U&&(f=l|=k[y+1]>>>64-x-U),n=v,c=0;c<U;c++)if(!(n=l>>>U-c-1&1?n.right:n.left).left&&!n.right){i=n.val,x=x+c+1;break}x>=32&&(x-=32,E=k[++y]),o=i-z,B?(o+=d>0?D:h>0?T[u-m]:D,o&=255,T[u]=o,D=o):T[u]=o}else for(u=0,h=0;h<p;h++)for(d=0;d<m;d++,u++)if(I[u]){if(i=0,f=l=E<<x>>>32-A,32-x<A&&(f=l|=k[y+1]>>>64-x-A),b[f])i=b[f][1],x+=b[f][0];else for(f=l=E<<x>>>32-U,32-x<U&&(f=l|=k[y+1]>>>64-x-U),n=v,c=0;c<U;c++)if(!(n=l>>>U-c-1&1?n.right:n.left).left&&!n.right){i=n.val,x=x+c+1;break}x>=32&&(x-=32,E=k[++y]),o=i-z,B?(d>0&&I[u-1]?o+=D:h>0&&I[u-m]?o+=T[u-m]:o+=D,o&=255,T[u]=o,D=o):T[u]=o}}else for(u=0,h=0;h<p;h++)for(d=0;d<m;d++)if(u=h*m+d,!I||I[u])for(S=0;S<_;S++,u+=w){if(i=0,f=l=E<<x>>>32-A,32-x<A&&(f=l|=k[y+1]>>>64-x-A),b[f])i=b[f][1],x+=b[f][0];else for(f=l=E<<x>>>32-U,32-x<U&&(f=l|=k[y+1]>>>64-x-U),n=v,c=0;c<U;c++)if(!(n=l>>>U-c-1&1?n.right:n.left).left&&!n.right){i=n.val,x=x+c+1;break}x>=32&&(x-=32,E=k[++y]),o=i-z,T[u]=o}t.ptr=t.ptr+4*(y+1)+(x>0?4:0),t.pixels.resultPixels=M,_>1&&!r&&(t.pixels.resultPixels=s.swapDimensionOrder(M,w,_,a))},decodeBits:function(s,o,l,f,h){var d=o.headerInfo,u=d.fileVersion,c=0,_=s.byteLength-o.ptr>=5?5:s.byteLength-o.ptr,p=new DataView(s,o.ptr,_),m=p.getUint8(0);c++;var w=m>>6,g=0===w?4:3-w,b=(32&m)>0,v=31&m,k=0;if(1===g)k=p.getUint8(c),c++;else if(2===g)k=p.getUint16(c,!0),c+=2;else{if(4!==g)throw"Invalid valid pixel count type";k=p.getUint32(c,!0),c+=4}var y,x,A,U,z,I,D,S,E,B=2*d.maxZError,M=d.numDims>1?d.maxValues[h]:d.zMax;if(b){for(o.counter.lut++,S=p.getUint8(c),c++,U=Math.ceil((S-1)*v/8),z=Math.ceil(U/4),x=new ArrayBuffer(4*z),A=new 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a(f*f),L=o%f||f,C=i%f||f,N=n.numDims,H=t.pixels.resultMask,j=t.pixels.resultPixels,Y=n.fileVersion>=5?14:15,X=n.zMax;for(z=0;z<c;z++)for(D=z!==c-1?f:L,I=0;I<u;I++)for(T=z*i*f+I*f,R=i-(S=I!==u-1?f:C),k=0;k<N;k++){if(N>1?(x=j,T=z*i*f+I*f,j=new a(t.pixels.resultPixels.buffer,l*k*d,l),X=n.maxValues[k]):x=null,E=e.byteLength-t.ptr,p={},Z=0,B=(_=new DataView(e,t.ptr,Math.min(10,E))).getUint8(0),Z++,y=n.fileVersion>=5?4&B:0,M=B>>6&255,(B>>2&Y)!=(I*f>>3&Y))throw"integrity issue";if(y&&0===k)throw"integrity issue";if((g=3&B)>3)throw t.ptr+=Z,"Invalid block encoding ("+g+")";if(2!==g)if(0===g){if(y)throw"integrity issue";if(t.counter.uncompressed++,t.ptr+=Z,V=(V=D*S*d)<(P=e.byteLength-t.ptr)?V:P,m=new ArrayBuffer(V%d==0?V:V+d-V%d),new Uint8Array(m).set(new Uint8Array(e,t.ptr,V)),w=new a(m),O=0,H)for(A=0;A<D;A++){for(U=0;U<S;U++)H[T]&&(j[T]=w[O++]),T++;T+=R}else for(A=0;A<D;A++){for(U=0;U<S;U++)j[T++]=w[O++];T+=R}t.ptr+=O*d}else if(b=s.getDataTypeUsed(y&&h<6?4:h,M),v=s.getOnePixel(p,Z,b,_),Z+=s.getDataTypeSize(b),3===g)if(t.ptr+=Z,t.counter.constantoffset++,H)for(A=0;A<D;A++){for(U=0;U<S;U++)H[T]&&(j[T]=y?Math.min(X,x[T]+v):v),T++;T+=R}else for(A=0;A<D;A++){for(U=0;U<S;U++)j[T]=y?Math.min(X,x[T]+v):v,T++;T+=R}else if(t.ptr+=Z,s.decodeBits(e,t,F,v,k),Z=0,y)if(H)for(A=0;A<D;A++){for(U=0;U<S;U++)H[T]&&(j[T]=F[Z++]+x[T]),T++;T+=R}else for(A=0;A<D;A++){for(U=0;U<S;U++)j[T]=F[Z++]+x[T],T++;T+=R}else if(H)for(A=0;A<D;A++){for(U=0;U<S;U++)H[T]&&(j[T]=F[Z++]),T++;T+=R}else for(A=0;A<D;A++){for(U=0;U<S;U++)j[T++]=F[Z++];T+=R}else{if(y)if(H)for(A=0;A<D;A++)for(U=0;U<S;U++)H[T]&&(j[T]=x[T]),T++;else for(A=0;A<D;A++)for(U=0;U<S;U++)j[T]=x[T],T++;t.counter.constant++,t.ptr+=Z}}N>1&&!r&&(t.pixels.resultPixels=s.swapDimensionOrder(t.pixels.resultPixels,l,N,a))},formatFileInfo:function(e){return{fileIdentifierString:e.headerInfo.fileIdentifierString,fileVersion:e.headerInfo.fileVersion,imageType:e.headerInfo.imageType,height:e.headerInfo.height,width:e.headerInfo.width,numValidPixel:e.headerInfo.numValidPixel,microBlockSize:e.headerInfo.microBlockSize,blobSize:e.headerInfo.blobSize,maxZError:e.headerInfo.maxZError,pixelType:s.getPixelType(e.headerInfo.imageType),eofOffset:e.eofOffset,mask:e.mask?{numBytes:e.mask.numBytes}:null,pixels:{numBlocksX:e.pixels.numBlocksX,numBlocksY:e.pixels.numBlocksY,maxValue:e.headerInfo.zMax,minValue:e.headerInfo.zMin,noDataValue:e.noDataValue}}},constructConstantSurface:function(e,t){var a=e.headerInfo.zMax,r=e.headerInfo.zMin,n=e.headerInfo.maxValues,i=e.headerInfo.numDims,s=e.headerInfo.height*e.headerInfo.width,o=0,l=0,f=0,h=e.pixels.resultMask,d=e.pixels.resultPixels;if(h)if(i>1){if(t)for(o=0;o<i;o++)for(f=o*s,a=n[o],l=0;l<s;l++)h[l]&&(d[f+l]=a);else for(l=0;l<s;l++)if(h[l])for(f=l*i,o=0;o<i;o++)d[f+i]=n[o]}else for(l=0;l<s;l++)h[l]&&(d[l]=a);else if(i>1&&r!==a)if(t)for(o=0;o<i;o++)for(f=o*s,a=n[o],l=0;l<s;l++)d[f+l]=a;else for(l=0;l<s;l++)for(f=l*i,o=0;o<i;o++)d[f+o]=n[o];else for(l=0;l<s*i;l++)d[l]=a},getDataTypeArray:function(e){var t;switch(e){case 0:t=Int8Array;break;case 1:t=Uint8Array;break;case 2:t=Int16Array;break;case 3:t=Uint16Array;break;case 4:t=Int32Array;break;case 5:t=Uint32Array;break;case 6:t=Float32Array;break;case 7:t=Float64Array;break;default:t=Float32Array}return t},getPixelType:function(e){var t;switch(e){case 0:t="S8";break;case 1:t="U8";break;case 2:t="S16";break;case 3:t="U16";break;case 4:t="S32";break;case 5:t="U32";break;case 6:t="F32";break;case 7:t="F64";break;default:t="F32"}return t},isValidPixelValue:function(e,t){if(null==t)return!1;var a;switch(e){case 0:a=t>=-128&&t<=127;break;case 1:a=t>=0&&t<=255;break;case 2:a=t>=-32768&&t<=32767;break;case 3:a=t>=0&&t<=65536;break;case 4:a=t>=-2147483648&&t<=2147483647;break;case 5:a=t>=0&&t<=4294967296;break;case 6:a=t>=-34027999387901484e22&&t<=34027999387901484e22;break;case 7:a=t>=-17976931348623157e292&&t<=17976931348623157e292;break;default:a=!1}return a},getDataTypeSize:function(e){var t=0;switch(e){case 0:case 1:t=1;break;case 2:case 3:t=2;break;case 4:case 5:case 6:t=4;break;case 7:t=8;break;default:t=e}return t},getDataTypeUsed:function(e,t){var a=e;switch(e){case 2:case 4:a=e-t;break;case 3:case 5:a=e-2*t;break;case 6:a=0===t?e:1===t?2:1;break;case 7:a=0===t?e:e-2*t+1;break;default:a=e}return a},getOnePixel:function(e,t,a,r){var n=0;switch(a){case 0:n=r.getInt8(t);break;case 1:n=r.getUint8(t);break;case 2:n=r.getInt16(t,!0);break;case 3:n=r.getUint16(t,!0);break;case 4:n=r.getInt32(t,!0);break;case 5:n=r.getUInt32(t,!0);break;case 6:n=r.getFloat32(t,!0);break;case 7:n=r.getFloat64(t,!0);break;default:throw"the decoder does not understand this pixel type"}return n},swapDimensionOrder:function(e,t,a,r,n){var i=0,s=0,o=0,l=0,f=e;if(a>1)if(f=new r(t*a),n)for(i=0;i<t;i++)for(l=i,o=0;o<a;o++,l+=t)f[l]=e[s++];else for(i=0;i<t;i++)for(l=i,o=0;o<a;o++,l+=t)f[s++]=e[l];return f}},o=function(e,t,a){this.val=e,this.left=t,this.right=a};return{decode:function(e,t){var a=(t=t||{}).noDataValue,r=0,n={};if(n.ptr=t.inputOffset||0,n.pixels={},s.readHeaderInfo(e,n)){var i=n.headerInfo,o=i.fileVersion,l=s.getDataTypeArray(i.imageType);if(o>5)throw"unsupported lerc version 2."+o;s.readMask(e,n),i.numValidPixel===i.width*i.height||n.pixels.resultMask||(n.pixels.resultMask=t.maskData);var f=i.width*i.height;n.pixels.resultPixels=new l(f*i.numDims),n.counter={onesweep:0,uncompressed:0,lut:0,bitstuffer:0,constant:0,constantoffset:0};var h,d=!t.returnPixelInterleavedDims;if(0!==i.numValidPixel)if(i.zMax===i.zMin)s.constructConstantSurface(n,d);else if(o>=4&&s.checkMinMaxRanges(e,n))s.constructConstantSurface(n,d);else{var u=new DataView(e,n.ptr,2),c=u.getUint8(0);if(n.ptr++,c)s.readDataOneSweep(e,n,l,d);else if(o>1&&i.imageType<=1&&Math.abs(i.maxZError-.5)<1e-5){var _=u.getUint8(1);if(n.ptr++,n.encodeMode=_,_>2||o<4&&_>1)throw"Invalid Huffman flag "+_;_?s.readHuffman(e,n,l,d):s.readTiles(e,n,l,d)}else s.readTiles(e,n,l,d)}n.eofOffset=n.ptr,t.inputOffset?(h=n.headerInfo.blobSize+t.inputOffset-n.ptr,Math.abs(h)>=1&&(n.eofOffset=t.inputOffset+n.headerInfo.blobSize)):(h=n.headerInfo.blobSize-n.ptr,Math.abs(h)>=1&&(n.eofOffset=n.headerInfo.blobSize));var p={width:i.width,height:i.height,pixelData:n.pixels.resultPixels,minValue:i.zMin,maxValue:i.zMax,validPixelCount:i.numValidPixel,dimCount:i.numDims,dimStats:{minValues:i.minValues,maxValues:i.maxValues},maskData:n.pixels.resultMask};if(n.pixels.resultMask&&s.isValidPixelValue(i.imageType,a)){var m=n.pixels.resultMask;for(r=0;r<f;r++)m[r]||(p.pixelData[r]=a);p.noDataValue=a}return n.noDataValue=a,t.returnFileInfo&&(p.fileInfo=s.formatFileInfo(n)),p}},getBandCount:function(e){for(var t=0,a=0,r={ptr:0,pixels:{}};a<e.byteLength-58;)s.readHeaderInfo(e,r),a+=r.headerInfo.blobSize,t++,r.ptr=a;return t}}}(),f=new ArrayBuffer(4),h=new Uint8Array(f),new Uint32Array(f)[0]=1,c=1===h[0],_={decode:function(e,t){if(!c)throw"Big endian system is not supported.";var a,r,n=(t=t||{}).inputOffset||0,i=new Uint8Array(e,n,10),s=String.fromCharCode.apply(null,i);if("CntZImage"===s.trim())a=d,r=1;else{if("Lerc2"!==s.substring(0,5))throw"Unexpected file identifier string: "+s;a=u,r=2}for(var o,l,f,h,_,p,m=0,w=e.byteLength-10,g=[],b={width:0,height:0,pixels:[],pixelType:t.pixelType,mask:null,statistics:[]},v=0;n<w;){var k=a.decode(e,{inputOffset:n,encodedMaskData:o,maskData:f,returnMask:0===m,returnEncodedMask:0===m,returnFileInfo:!0,returnPixelInterleavedDims:t.returnPixelInterleavedDims,pixelType:t.pixelType||null,noDataValue:t.noDataValue||null});n=k.fileInfo.eofOffset,f=k.maskData,0===m&&(o=k.encodedMaskData,b.width=k.width,b.height=k.height,b.dimCount=k.dimCount||1,b.pixelType=k.pixelType||k.fileInfo.pixelType,b.mask=f),r>1&&(f&&g.push(f),k.fileInfo.mask&&k.fileInfo.mask.numBytes>0&&v++),m++,b.pixels.push(k.pixelData),b.statistics.push({minValue:k.minValue,maxValue:k.maxValue,noDataValue:k.noDataValue,dimStats:k.dimStats})}if(r>1&&v>1){for(p=b.width*b.height,b.bandMasks=g,(f=new Uint8Array(p)).set(g[0]),h=1;h<g.length;h++)for(l=g[h],_=0;_<p;_++)f[_]=f[_]&l[_];b.maskData=f}return b}},void 0===(a=function(){return _}.apply(t,[]))||(e.exports=a)},16042:function(e,t,a){"use strict";function r(e){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}
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It(){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}var Dt,St,Et=function(e){if(!e||!e.state)return bt;var 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,mt},Bt=function(e){if(!e||!e.state)return bt;var t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,Et(e)},Mt=function(e,t){var a;if(!e||!e.state)return bt;var r=e.state;return t<0?(a=0,t=-t):(a=1+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?bt:(null!==r.window&&r.wbits!==t&&(r.window=null),r.wrap=a,r.wbits=t,Bt(e))},Tt=function(e,t){if(!e)return bt;var a=new It;e.state=a,a.window=null;var r=Mt(e,t);return r!==mt&&(e.state=null),r},Rt=!0,Vt=function(e){if(Rt){Dt=new Int32Array(512),St=new Int32Array(32);for(var t=0;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(ut(1,e.lens,0,288,Dt,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;ut(2,e.lens,0,32,St,0,e.work,{bits:5}),Rt=!1}e.lencode=Dt,e.lenbits=9,e.distcode=St,e.distbits=5},Pt=function(e,t,a,r){var n,i=e.state;return null===i.window&&(i.wsize=1<<i.wbits,i.wnext=0,i.whave=0,i.window=new 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e;o--,f+=r[i++]<<h,h+=8}if(2&a.wrap&&35615===f){a.check=0,I[0]=255&f,I[1]=f>>>8&255,a.check=H(a.check,I,2,0),f=0,h=0,a.mode=2;break}if(a.flags=0,a.head&&(a.head.done=!1),!(1&a.wrap)||(((255&f)<<8)+(f>>8))%31){e.msg="incorrect header check",a.mode=Ut;break}if((15&f)!==xt){e.msg="unknown compression method",a.mode=Ut;break}if(h-=4,y=8+(15&(f>>>=4)),0===a.wbits)a.wbits=y;else if(y>a.wbits){e.msg="invalid window size",a.mode=Ut;break}a.dmax=1<<a.wbits,e.adler=a.check=1,a.mode=512&f?10:At,f=0,h=0;break;case 2:for(;h<16;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if(a.flags=f,(255&a.flags)!==xt){e.msg="unknown compression method",a.mode=Ut;break}if(57344&a.flags){e.msg="unknown header flags set",a.mode=Ut;break}a.head&&(a.head.text=f>>8&1),512&a.flags&&(I[0]=255&f,I[1]=f>>>8&255,a.check=H(a.check,I,2,0)),f=0,h=0,a.mode=3;case 3:for(;h<32;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}a.head&&(a.head.time=f),512&a.flags&&(I[0]=255&f,I[1]=f>>>8&255,I[2]=f>>>16&255,I[3]=f>>>24&255,a.check=H(a.check,I,4,0)),f=0,h=0,a.mode=4;case 4:for(;h<16;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}a.head&&(a.head.xflags=255&f,a.head.os=f>>8),512&a.flags&&(I[0]=255&f,I[1]=f>>>8&255,a.check=H(a.check,I,2,0)),f=0,h=0,a.mode=5;case 5:if(1024&a.flags){for(;h<16;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}a.length=f,a.head&&(a.head.extra_len=f),512&a.flags&&(I[0]=255&f,I[1]=f>>>8&255,a.check=H(a.check,I,2,0)),f=0,h=0}else a.head&&(a.head.extra=null);a.mode=6;case 6:if(1024&a.flags&&((c=a.length)>o&&(c=o),c&&(a.head&&(y=a.head.extra_len-a.length,a.head.extra||(a.head.extra=new Uint8Array(a.head.extra_len)),a.head.extra.set(r.subarray(i,i+c),y)),512&a.flags&&(a.check=H(a.check,r,c,i)),o-=c,i+=c,a.length-=c),a.length))break e;a.length=0,a.mode=7;case 7:if(2048&a.flags){if(0===o)break e;c=0;do{y=r[i+c++],a.head&&y&&a.length<65536&&(a.head.name+=String.fromCharCode(y))}while(y&&c<o);if(512&a.flags&&(a.check=H(a.check,r,c,i)),o-=c,i+=c,y)break e}else a.head&&(a.head.name=null);a.length=0,a.mode=8;case 8:if(4096&a.flags){if(0===o)break e;c=0;do{y=r[i+c++],a.head&&y&&a.length<65536&&(a.head.comment+=String.fromCharCode(y))}while(y&&c<o);if(512&a.flags&&(a.check=H(a.check,r,c,i)),o-=c,i+=c,y)break e}else a.head&&(a.head.comment=null);a.mode=9;case 9:if(512&a.flags){for(;h<16;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if(f!==(65535&a.check)){e.msg="header crc mismatch",a.mode=Ut;break}f=0,h=0}a.head&&(a.head.hcrc=a.flags>>9&1,a.head.done=!0),e.adler=a.check=0,a.mode=At;break;case 10:for(;h<32;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}e.adler=a.check=zt(f),f=0,h=0,a.mode=11;case 11:if(0===a.havedict)return e.next_out=s,e.avail_out=l,e.next_in=i,e.avail_in=o,a.hold=f,a.bits=h,gt;e.adler=a.check=1,a.mode=At;case At:if(t===_t||t===pt)break e;case 13:if(a.last){f>>>=7&h,h-=7&h,a.mode=27;break}for(;h<3;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}switch(a.last=1&f,h-=1,3&(f>>>=1)){case 0:a.mode=14;break;case 1:if(Vt(a),a.mode=20,t===pt){f>>>=2,h-=2;break e}break;case 2:a.mode=17;break;case 3:e.msg="invalid block type",a.mode=Ut}f>>>=2,h-=2;break;case 14:for(f>>>=7&h,h-=7&h;h<32;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if((65535&f)!=(f>>>16^65535)){e.msg="invalid stored block lengths",a.mode=Ut;break}if(a.length=65535&f,f=0,h=0,a.mode=15,t===pt)break e;case 15:a.mode=16;case 16:if(c=a.length){if(c>o&&(c=o),c>l&&(c=l),0===c)break e;n.set(r.subarray(i,i+c),s),o-=c,i+=c,l-=c,s+=c,a.length-=c;break}a.mode=At;break;case 17:for(;h<14;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if(a.nlen=257+(31&f),f>>>=5,h-=5,a.ndist=1+(31&f),f>>>=5,h-=5,a.ncode=4+(15&f),f>>>=4,h-=4,a.nlen>286||a.ndist>30){e.msg="too many length or distance symbols",a.mode=Ut;break}a.have=0,a.mode=18;case 18:for(;a.have<a.ncode;){for(;h<3;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}a.lens[D[a.have++]]=7&f,f>>>=3,h-=3}for(;a.have<19;)a.lens[D[a.have++]]=0;if(a.lencode=a.lendyn,a.lenbits=7,A={bits:a.lenbits},x=ut(0,a.lens,0,19,a.lencode,0,a.work,A),a.lenbits=A.bits,x){e.msg="invalid code lengths set",a.mode=Ut;break}a.have=0,a.mode=19;case 19:for(;a.have<a.nlen+a.ndist;){for(;w=(z=a.lencode[f&(1<<a.lenbits)-1])>>>16&255,g=65535&z,!((m=z>>>24)<=h);){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if(g<16)f>>>=m,h-=m,a.lens[a.have++]=g;else{if(16===g){for(U=m+2;h<U;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if(f>>>=m,h-=m,0===a.have){e.msg="invalid bit length repeat",a.mode=Ut;break}y=a.lens[a.have-1],c=3+(3&f),f>>>=2,h-=2}else if(17===g){for(U=m+3;h<U;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}h-=m,y=0,c=3+(7&(f>>>=m)),f>>>=3,h-=3}else{for(U=m+7;h<U;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}h-=m,y=0,c=11+(127&(f>>>=m)),f>>>=7,h-=7}if(a.have+c>a.nlen+a.ndist){e.msg="invalid bit length repeat",a.mode=Ut;break}for(;c--;)a.lens[a.have++]=y}}if(a.mode===Ut)break;if(0===a.lens[256]){e.msg="invalid code -- missing end-of-block",a.mode=Ut;break}if(a.lenbits=9,A={bits:a.lenbits},x=ut(1,a.lens,0,a.nlen,a.lencode,0,a.work,A),a.lenbits=A.bits,x){e.msg="invalid literal/lengths set",a.mode=Ut;break}if(a.distbits=6,a.distcode=a.distdyn,A={bits:a.distbits},x=ut(2,a.lens,a.nlen,a.ndist,a.distcode,0,a.work,A),a.distbits=A.bits,x){e.msg="invalid distances set",a.mode=Ut;break}if(a.mode=20,t===pt)break e;case 20:a.mode=21;case 21:if(o>=6&&l>=258){e.next_out=s,e.avail_out=l,e.next_in=i,e.avail_in=o,a.hold=f,a.bits=h,st(e,u),s=e.next_out,n=e.output,l=e.avail_out,i=e.next_in,r=e.input,o=e.avail_in,f=a.hold,h=a.bits,a.mode===At&&(a.back=-1);break}for(a.back=0;w=(z=a.lencode[f&(1<<a.lenbits)-1])>>>16&255,g=65535&z,!((m=z>>>24)<=h);){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if(w&&0==(240&w)){for(b=m,v=w,k=g;w=(z=a.lencode[k+((f&(1<<b+v)-1)>>b)])>>>16&255,g=65535&z,!(b+(m=z>>>24)<=h);){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}f>>>=b,h-=b,a.back+=b}if(f>>>=m,h-=m,a.back+=m,a.length=g,0===w){a.mode=26;break}if(32&w){a.back=-1,a.mode=At;break}if(64&w){e.msg="invalid literal/length code",a.mode=Ut;break}a.extra=15&w,a.mode=22;case 22:if(a.extra){for(U=a.extra;h<U;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}a.length+=f&(1<<a.extra)-1,f>>>=a.extra,h-=a.extra,a.back+=a.extra}a.was=a.length,a.mode=23;case 23:for(;w=(z=a.distcode[f&(1<<a.distbits)-1])>>>16&255,g=65535&z,!((m=z>>>24)<=h);){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if(0==(240&w)){for(b=m,v=w,k=g;w=(z=a.distcode[k+((f&(1<<b+v)-1)>>b)])>>>16&255,g=65535&z,!(b+(m=z>>>24)<=h);){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}f>>>=b,h-=b,a.back+=b}if(f>>>=m,h-=m,a.back+=m,64&w){e.msg="invalid distance code",a.mode=Ut;break}a.offset=g,a.extra=15&w,a.mode=24;case 24:if(a.extra){for(U=a.extra;h<U;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}a.offset+=f&(1<<a.extra)-1,f>>>=a.extra,h-=a.extra,a.back+=a.extra}if(a.offset>a.dmax){e.msg="invalid distance too far back",a.mode=Ut;break}a.mode=25;case 25:if(0===l)break e;if(c=u-l,a.offset>c){if((c=a.offset-c)>a.whave&&a.sane){e.msg="invalid distance too far back",a.mode=Ut;break}c>a.wnext?(c-=a.wnext,_=a.wsize-c):_=a.wnext-c,c>a.length&&(c=a.length),p=a.window}else p=n,_=s-a.offset,c=a.length;c>l&&(c=l),l-=c,a.length-=c;do{n[s++]=p[_++]}while(--c);0===a.length&&(a.mode=21);break;case 26:if(0===l)break e;n[s++]=a.length,l--,a.mode=21;break;case 27:if(a.wrap){for(;h<32;){if(0===o)break e;o--,f|=r[i++]<<h,h+=8}if(u-=l,e.total_out+=u,a.total+=u,u&&(e.adler=a.check=a.flags?H(a.check,n,u,s-u):C(a.check,n,u,s-u)),u=l,(a.flags?f:zt(f))!==a.check){e.msg="incorrect data check",a.mode=Ut;break}f=0,h=0}a.mode=28;case 28:if(a.wrap&&a.flags){for(;h<32;){if(0===o)break e;o--,f+=r[i++]<<h,h+=8}if(f!==(4294967295&a.total)){e.msg="incorrect length check",a.mode=Ut;break}f=0,h=0}a.mode=29;case 29:x=wt;break e;case Ut:x=vt;break e;case 31:return kt;case 32:default:return bt}return e.next_out=s,e.avail_out=l,e.next_in=i,e.avail_in=o,a.hold=f,a.bits=h,(a.wsize||u!==e.avail_out&&a.mode<Ut&&(a.mode<27||t!==ct))&&Pt(e,e.output,e.next_out,u-e.avail_out),d-=e.avail_in,u-=e.avail_out,e.total_in+=d,e.total_out+=u,a.total+=u,a.wrap&&u&&(e.adler=a.check=a.flags?H(a.check,n,u,e.next_out-u):C(a.check,n,u,e.next_out-u)),e.data_type=a.bits+(a.last?64:0)+(a.mode===At?128:0)+(20===a.mode||15===a.mode?256:0),(0===d&&0===u||t===ct)&&x===mt&&(x=yt),x},inflateEnd:function(e){if(!e||!e.state)return bt;var t=e.state;return t.window&&(t.window=null),e.state=null,mt},inflateGetHeader:function(e,t){if(!e||!e.state)return bt;var a=e.state;return 0==(2&a.wrap)?bt:(a.head=t,t.done=!1,mt)},inflateSetDictionary:function(e,t){var a,r=t.length;return e&&e.state?0!==(a=e.state).wrap&&11!==a.mode?bt:11===a.mode&&C(1,t,r,0)!==a.check?vt:Pt(e,t,r,r)?(a.mode=31,kt):(a.havedict=1,mt):bt},inflateInfo:"pako inflate (from Nodeca project)"};var Zt=function(){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=!1},Ft=Object.prototype.toString,Lt=Y.Z_NO_FLUSH,Ct=Y.Z_FINISH,Nt=Y.Z_OK,Ht=Y.Z_STREAM_END,jt=Y.Z_NEED_DICT,Yt=Y.Z_STREAM_ERROR,Xt=Y.Z_DATA_ERROR,Kt=Y.Z_MEM_ERROR;function Wt(e){this.options=Le({chunkSize:65536,windowBits:15,to:""},e||{});var t=this.options;t.raw&&t.windowBits>=0&&t.windowBits<16&&(t.windowBits=-t.windowBits,0===t.windowBits&&(t.windowBits=-15)),!(t.windowBits>=0&&t.windowBits<16)||e&&e.windowBits||(t.windowBits+=32),t.windowBits>15&&t.windowBits<48&&0==(15&t.windowBits)&&(t.windowBits|=15),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new We,this.strm.avail_out=0;var a=Ot.inflateInit2(this.strm,t.windowBits);if(a!==Nt)throw new Error(j[a]);if(this.header=new Zt,Ot.inflateGetHeader(this.strm,this.header),t.dictionary&&("string"==typeof t.dictionary?t.dictionary=Ye(t.dictionary):"[object ArrayBuffer]"===Ft.call(t.dictionary)&&(t.dictionary=new Uint8Array(t.dictionary)),t.raw&&(a=Ot.inflateSetDictionary(this.strm,t.dictionary))!==Nt))throw new Error(j[a])}function Gt(e,t){var a=new Wt(t);if(a.push(e),a.err)throw a.msg||j[a.err];return a.result}Wt.prototype.push=function(e,t){var a,r,n,i=this.strm,s=this.options.chunkSize,o=this.options.dictionary;if(this.ended)return!1;for(r=t===~~t?t:!0===t?Ct:Lt,"[object ArrayBuffer]"===Ft.call(e)?i.input=new Uint8Array(e):i.input=e,i.next_in=0,i.avail_in=i.input.length;;){for(0===i.avail_out&&(i.output=new Uint8Array(s),i.next_out=0,i.avail_out=s),(a=Ot.inflate(i,r))===jt&&o&&((a=Ot.inflateSetDictionary(i,o))===Nt?a=Ot.inflate(i,r):a===Xt&&(a=jt));i.avail_in>0&&a===Ht&&i.state.wrap>0&&0!==e[i.next_in];)Ot.inflateReset(i),a=Ot.inflate(i,r);switch(a){case Yt:case Xt:case jt:case Kt:return this.onEnd(a),this.ended=!0,!1}if(n=i.avail_out,i.next_out&&(0===i.avail_out||a===Ht))if("string"===this.options.to){var l=Ke(i.output,i.next_out),f=i.next_out-l,h=Xe(i.output,l);i.next_out=f,i.avail_out=s-f,f&&i.output.set(i.output.subarray(l,l+f),0),this.onData(h)}else this.onData(i.output.length===i.next_out?i.output:i.output.subarray(0,i.next_out));if(a!==Nt||0!==n){if(a===Ht)return a=Ot.inflateEnd(this.strm),this.onEnd(a),this.ended=!0,!0;if(0===i.avail_in)break}}return!0},Wt.prototype.onData=function(e){this.chunks.push(e)},Wt.prototype.onEnd=function(e){e===Nt&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=Ce(this.chunks)),this.chunks=[],this.err=e,this.msg=this.strm.msg};var Qt={Inflate:Wt,inflate:Gt,inflateRaw:function(e,t){return(t=t||{}).raw=!0,Gt(e,t)},ungzip:Gt,constants:Y},qt=Qt.inflate,Jt=qt}}]);
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