three.js/examples/jsm/libs/fflate.module.min.js

/*!
fflate - fast JavaScript compression/decompression
<https://101arrowz.github.io/fflate>
Licensed under MIT. https://github.com/101arrowz/fflate/blob/master/LICENSE
*/
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deflate(t,n,r){if(r||(r=n,n={}),"function"!=typeof r)throw"no callback";return it(t,n,[V],(function(t){return nt(deflateSync(t.data[0],t.data[1]))}),0,r)}export function deflateSync(t,n){return void 0===n&&(n={}),Y(t,n,0,0)}var mt=function(){function t(t){this.s={},this.p=new n(0),this.ondata=t}return t.prototype.e=function(t){if(this.d)throw"stream finished";if(!this.ondata)throw"no stream handler";var r=this.p.length,i=new n(r+t.length);i.set(this.p),i.set(t,r),this.p=i},t.prototype.c=function(t){this.d=this.s.i=t||!1;var n=this.s.b,r=O(this.p,this.o,this.s);this.ondata(A(r,n,this.s.b),this.d),this.o=A(r,this.s.b-32768),this.s.b=this.o.length,this.p=A(this.p,this.s.p/8>>0),this.s.p&=7},t.prototype.push=function(t,n){this.e(t),this.c(n)},t}();export{mt as Inflate};var bt=function(){return function(t){this.ondata=t,ot([Q,function(){return[et,mt]}],this,0,(function(){var t=new mt;onmessage=et(t)}),7)}}();export{bt as AsyncInflate};export function inflate(t,n,r){if(r||(r=n,n={}),"function"!=typeof r)throw"no callback";return it(t,n,[Q],(function(t){return nt(inflateSync(t.data[0],rt(t.data[1])))}),1,r)}export function inflateSync(t,n){return O(t,n)}var xt=function(){function t(t,n){this.c=P(),this.l=0,this.v=1,yt.call(this,t,n)}return t.prototype.push=function(t,n){yt.prototype.push.call(this,t,n)},t.prototype.p=function(t,n){this.c.p(t),this.l+=t.length;var r=Y(t,this.o,this.v&&pt(this.o),n&&8,!n);this.v&&(ht(r,this.o),this.v=0),n&&(ut(r,r.length-8,this.c.d()),ut(r,r.length-4,this.l)),this.ondata(r,n)},t}();export{xt as Gzip};var zt=function(){return function(t,n){ot([V,X,function(){return[et,yt,xt]}],this,gt.call(this,t,n),(function(t){var n=new xt(t.data);onmessage=et(n)}),8)}}();export{zt as AsyncGzip};export function gzip(t,n,r){if(r||(r=n,n={}),"function"!=typeof r)throw"no callback";return it(t,n,[V,X,function(){return[gzipSync]}],(function(t){return nt(gzipSync(t.data[0],t.data[1]))}),2,r)}export function gzipSync(t,n){void 0===n&&(n={});var r=P(),i=t.length;r.p(t);var e=Y(t,n,pt(n),8),o=e.length;return ht(e,n),ut(e,o-8,r.d()),ut(e,o-4,i),e}var St=function(){function t(t){this.v=1,mt.call(this,t)}return t.prototype.push=function(t,n){if(mt.prototype.e.call(this,t),this.v){var r=ct(this.p);if(r>=this.p.length&&!n)return;this.p=this.p.subarray(r),this.v=0}if(n){if(this.p.length<8)throw"invalid gzip stream";this.p=this.p.subarray(0,-8)}mt.prototype.c.call(this,n)},t}();export{St as Gunzip};var kt=function(){return function(t){this.ondata=t,ot([Q,$,function(){return[et,mt,St]}],this,0,(function(){var t=new St;onmessage=et(t)}),9)}}();export{kt as AsyncGunzip};export function gunzip(t,n,r){if(r||(r=n,n={}),"function"!=typeof r)throw"no callback";return it(t,n,[Q,$,function(){return[gunzipSync]}],(function(t){return nt(gunzipSync(t.data[0]))}),3,r)}export function gunzipSync(t,r){return O(t.subarray(ct(t),-8),r||new n(lt(t)))}var Mt=function(){function t(t,n){this.c=W(),this.v=1,yt.call(this,t,n)}return t.prototype.push=function(t,n){yt.prototype.push.call(this,t,n)},t.prototype.p=function(t,n){this.c.p(t);var r=Y(t,this.o,this.v&&2,n&&4,!n);this.v&&(vt(r,this.o),this.v=0),n&&ut(r,r.length-4,this.c.d()),this.ondata(r,n)},t}();export{Mt as Zlib};var Ct=function(){return function(t,n){ot([V,_,function(){return[et,yt,Mt]}],this,gt.call(this,t,n),(function(t){var n=new Mt(t.data);onmessage=et(n)}),10)}}();export{Ct as AsyncZlib};export function zlib(t,n,r){if(r||(r=n,n={}),"function"!=typeof r)throw"no callback";return it(t,n,[V,_,function(){return[zlibSync]}],(function(t){return nt(zlibSync(t.data[0],t.data[1]))}),4,r)}export function zlibSync(t,n){void 0===n&&(n={});var r=W();r.p(t);var i=Y(t,n,2,4);return vt(i,n),ut(i,i.length-4,r.d()),i}var Ut=function(){function t(t){this.v=1,mt.call(this,t)}return t.prototype.push=function(t,n){if(mt.prototype.e.call(this,t),this.v){if(this.p.length<2&&!n)return;this.p=this.p.subarray(2),this.v=0}if(n){if(this.p.length<4)throw"invalid zlib stream";this.p=this.p.subarray(0,-4)}mt.prototype.c.call(this,n)},t}();export{Ut as Unzlib};var At=function(){return function(t){this.ondata=t,ot([Q,tt,function(){return[et,mt,Ut]}],this,0,(function(){var t=new Ut;onmessage=et(t)}),11)}}();export{At as AsyncUnzlib};export function unzlib(t,n,r){if(r||(r=n,n={}),"function"!=typeof r)throw"no callback";return it(t,n,[Q,tt,function(){return[unzlibSync]}],(function(t){return nt(unzlibSync(t.data[0],rt(t.data[1])))}),5,r)}export function unzlibSync(t,n){return O((dt(t),t.subarray(2,-4)),n)}export{gzip as compress,zt as AsyncCompress};export{gzipSync as compressSync,xt as Compress};var Ot=function(){function t(t){this.G=St,this.I=mt,this.Z=Ut,this.ondata=t}return t.prototype.push=function(t,r){if(!this.ondata)throw"no stream handler";if(this.s)this.s.push(t,r);else{if(this.p&&this.p.length){var i=new n(this.p.length+t.length);i.set(this.p),i.set(t,this.p.length)}else this.p=t;if(this.p.length>2){var e=this,o=function(){e.ondata.apply(e,arguments)};this.s=31==this.p[0]&&139==this.p[1]&&8==this.p[2]?new this.G(o):8!=(15&this.p[0])||this.p[0]>>4>7||(this.p[0]<<8|this.p[1])%31?new this.I(o):new this.Z(o),this.s.push(this.p,r),this.p=null}}},t}();export{Ot as Decompress};var Tt=function(){function t(t){this.G=kt,this.I=bt,this.Z=At,this.ondata=t}return t.prototype.push=function(t,n){Ot.prototype.push.call(this,t,n)},t}();export{Tt as AsyncDecompress};export function decompress(t,n,r){if(r||(r=n,n={}),"function"!=typeof r)throw"no callback";return 31==t[0]&&139==t[1]&&8==t[2]?gunzip(t,n,r):8!=(15&t[0])||t[0]>>4>7||(t[0]<<8|t[1])%31?inflate(t,n,r):unzlib(t,n,r)}export function decompressSync(t,n){return 31==t[0]&&139==t[1]&&8==t[2]?gunzipSync(t,n):8!=(15&t[0])||t[0]>>4>7||(t[0]<<8|t[1])%31?inflateSync(t,n):unzlibSync(t,n)}var Dt=function(t,r,i,e){for(var o in t){var a=t[o],f=r+o;a instanceof n?i[f]=[a,e]:Array.isArray(a)?i[f]=[a[0],q(e,a[1])]:Dt(a,f+"/",i,e)}},Ft="undefined"!=typeof TextEncoder&&new TextEncoder,Et="undefined"!=typeof TextDecoder&&new TextDecoder,It=0;try{Et.decode(R,{stream:!0}),It=1}catch(t){}var Zt=function(t){for(var n="",r=0;;){var i=t[r++],e=(i>127)+(i>223)+(i>239);if(r+e>t.length)return[n,t.slice(r-1)];e?3==e?(i=((15&i)<<18|(63&t[r++])<<12|(63&t[r++])<<6|63&t[r++])-65536,n+=String.fromCharCode(55296|i>>10,56320|1023&i)):n+=1&e?String.fromCharCode((31&i)<<6|63&t[r++]):String.fromCharCode((15&i)<<12|(63&t[r++])<<6|63&t[r++]):n+=String.fromCharCode(i)}},jt=function(){function t(t){this.ondata=t,It?this.t=new TextDecoder:this.p=R}return t.prototype.push=function(t,r){if(!this.ondata)throw"no callback";if(r||(r=!1),this.t)return this.ondata(this.t.decode(t,{stream:!r}),r);var i=new n(this.p.length+t.length);i.set(this.p),i.set(t,this.p.length);var e=Zt(i),o=e[0],a=e[1];if(r&&a.length)throw"invalid utf-8 data";this.p=a,this.ondata(o,r)},t}();export{jt as DecodeUTF8};var Gt=function(){function t(t){this.ondata=t}return t.prototype.push=function(t,n){if(!this.ondata)throw"no callback";this.ondata(strToU8(t),n||!1)},t}();export{Gt as EncodeUTF8};export function strToU8(t,r){if(r){for(var i=new n(t.length),e=0;e<t.length;++e)i[e]=t.charCodeAt(e);return i}if(Ft)return Ft.encode(t);var o=t.length,a=new n(t.length+(t.length>>1)),f=0,s=function(t){a[f++]=t};for(e=0;e<o;++e){if(f+5>a.length){var u=new n(f+8+(o-e<<1));u.set(a),a=u}var h=t.charCodeAt(e);h<128||r?s(h):h<2048?(s(192|h>>>6),s(128|63&h)):h>55295&&h<57344?(s(240|(h=65536+(1047552&h)|1023&t.charCodeAt(++e))>>>18),s(128|h>>>12&63),s(128|h>>>6&63),s(128|63&h)):(s(224|h>>>12),s(128|h>>>6&63),s(128|63&h))}return A(a,0,f)}export function strFromU8(t,n){if(n){for(var r="",i=0;i<t.length;i+=16384)r+=String.fromCharCode.apply(null,t.subarray(i,i+16384));return r}if(Et)return Et.decode(t);var e=Zt(t),o=e[0];if(e[1].length)throw"invalid utf-8 data";return o}var Lt=function(t){return 1==t?3:t<6?2:9==t?1:0},Rt=function(t,n){return n+30+at(t,n+26)+at(t,n+28)},Bt=function(t,n,r){var i=at(t,n+28),e=strFromU8(t.subarray(n+46,n+46+i),!(2048&at(t,n+8))),o=n+46+i,a=ft(t,n+20),f=r&&4294967295==a?Ht(t,o):[a,ft(t,n+24),ft(t,n+42)],s=f[0],u=f[1],h=f[2];return[at(t,n+10),s,u,e,o+at(t,n+30)+at(t,n+32),h]},Ht=function(t,n){for(;1!=at(t,n);n+=4+at(t,n+2));return[st(t,n+12),st(t,n+4),st(t,n+20)]},Pt=function(t,n,r,i,e,o,a){var f=i.length;ut(t,n,null!=a?33639248:67324752),n+=4,null!=a&&(t[n++]=20,t[n++]=r.os),t[n]=20,n+=2,t[n++]=r.flag<<1|(null==o&&8),t[n++]=e&&8,t[n++]=255&r.compression,t[n++]=r.compression>>8;var s=new Date(null==r.mtime?Date.now():r.mtime),u=s.getFullYear()-1980;if(u<0||u>119)throw"date not in range 1980-2099";return ut(t,n,2*(u<<24)|s.getMonth()+1<<21|s.getDate()<<16|s.getHours()<<11|s.getMinutes()<<5|s.getSeconds()>>>1),n+=4,null!=o&&(ut(t,n,r.crc),ut(t,n+4,o),ut(t,n+8,r.size)),ut(t,n+12,f),n+=16,null!=a&&(ut(t,n+6,r.attrs),ut(t,n+10,a),n+=14),t.set(i,n),n+f},Wt=function(t,n,r,i,e){ut(t,n,101010256),ut(t,n+8,r),ut(t,n+10,r),ut(t,n+12,i),ut(t,n+16,e)},Yt=function(){function t(t){this.filename=t,this.c=P(),this.size=0,this.compression=0}return t.prototype.process=function(t,n){this.ondata(null,t,n)},t.prototype.push=function(t,n){if(!this.ondata)throw"no callback - add to ZIP archive before pushing";this.c.p(t),this.size+=t.length,n&&(this.crc=this.c.d()),this.process(t,n||!1)},t}();export{Yt as ZipPassThrough};var qt=function(){function t(t,n){var r=this;void 0===n&&(n={}),Yt.call(this,t),this.d=new yt(n,(function(t,n){r.ondata(null,t,n)})),this.compression=8,this.flag=Lt(n.level)}return t.prototype.process=function(t,n){try{this.d.push(t,n)}catch(t){this.ondata(t,null,n)}},t.prototype.push=function(t,n){Yt.prototype.push.call(this,t,n)},t}();export{qt as ZipDeflate};var Jt=function(){function t(t,n){var r=this;void 0===n&&(n={}),Yt.call(this,t),this.d=new wt(n,(function(t,n,i){r.ondata(t,n,i)})),this.compression=8,this.flag=Lt(n.level),this.terminate=this.d.terminate}return t.prototype.process=function(t,n){this.d.push(t,n)},t.prototype.push=function(t,n){Yt.prototype.push.call(this,t,n)},t}();export{Jt as AsyncZipDeflate};var Kt=function(){function t(t){this.ondata=t,this.u=[],this.d=1}return t.prototype.add=function(t){var r=this;if(2&this.d)throw"stream finished";var i=strToU8(t.filename),e=i.length,o=e!=t.filename.length,a=e+30;if(e>65535)throw"filename too long";var f=new n(a);Pt(f,0,t,i,o);var s=[f],u=function(){for(var t=0,n=s;t<n.length;t++){var i=n[t];r.ondata(null,i,!1)}s=[]},h=this.d;this.d=0;var c=this.u.length,l=q(t,{f:i,u:o,t:function(){t.terminate&&t.terminate()},r:function(){if(u(),h){var t=r.u[c+1];t?t.r():r.d=1}h=1}}),p=0;t.ondata=function(i,e,o){i?(r.ondata(i,e,o),r.terminate()):(p+=e.length,s.push(e),o?(s.push(function(t,r){var i=new n(16);return ut(i,0,134695760),ut(i,4,t.crc),ut(i,8,r),ut(i,12,t.size),i}(t,p)),l.c=p,l.b=a+p+16,l.crc=t.crc,l.size=t.size,h&&l.r(),h=1):h&&u())},this.u.push(l)},t.prototype.end=function(){var t=this;if(2&this.d){if(1&this.d)throw"stream finishing";throw"stream finished"}this.d?this.e():this.u.push({r:function(){1&t.d&&(t.u.splice(-1,1),t.e())},t:function(){}}),this.d=3},t.prototype.e=function(){for(var t=0,r=0,i=0,e=0,o=this.u;e<o.length;e++){i+=46+(u=o[e]).f.length}for(var a=new n(i+22),f=0,s=this.u;f<s.length;f++){var u=s[f];Pt(a,t,u,u.f,u.u,u.c,r),t+=46+u.f.length,r+=u.b}Wt(a,t,this.u.length,i,r),this.ondata(null,a,!0),this.d=2},t.prototype.terminate=function(){for(var t=0,n=this.u;t<n.length;t++){n[t].t()}this.d=2},t}();export{Kt as Zip};export function zip(t,r,i){if(i||(i=r,r={}),"function"!=typeof i)throw"no callback";var e={};Dt(t,"",e,r);var o=Object.keys(e),a=o.length,f=0,s=0,u=a,h=new Array(a),c=[],l=function(){for(var t=0;t<c.length;++t)c[t]()},p=function(){var t=new n(s+22),r=f,e=s-f;s=0;for(var o=0;o<u;++o){var a=h[o];try{var c=a.c.length;Pt(t,s,a,a.f,a.u,c);var l=s+30+a.f.length;t.set(a.c,l),Pt(t,f,a,a.f,a.u,c,s),f+=46+a.f.length,s=l+c}catch(t){return i(t,null)}}Wt(t,f,h.length,e,r),i(null,t)};a||p();for(var v=function(t){var n=o[t],r=e[n],u=r[0],v=r[1],d=P(),g=u.length;d.p(u);var y=strToU8(n),w=y.length,m=0==v.level?0:8,b=function(r,e){if(r)l(),i(r,null);else{var o=e.length;h[t]=q(v,{size:g,crc:d.d(),c:e,f:y,u:w!=n.length,compression:m}),f+=30+w+o,s+=76+2*w+o,--a||p()}};if(w>65535&&b("filename too long",null),m)if(g<16e4)try{b(null,deflateSync(u,v))}catch(t){b(t,null)}else c.push(deflate(u,v,b));else b(null,u)},d=0;d<u;++d)v(d);return l}export function zipSync(t,r){void 0===r&&(r={});var i={},e=[];Dt(t,"",i,r);var o=0,a=0;for(var f in i){var s=i[f],u=s[0],h=s[1],c=0==h.level?0:8,l=(b=strToU8(f)).length;if(l>65535)throw"filename too long";var p=c?deflateSync(u,h):u,v=p.length,d=P();d.p(u),e.push(q(h,{size:u.length,crc:d.d(),c:p,f:b,u:l!=f.length,o:o,compression:c})),o+=30+l+v,a+=76+2*l+v}for(var g=new n(a+22),y=o,w=a-o,m=0;m<e.length;++m){var b=e[m];Pt(g,b.o,b,b.f,b.u,b.c.length),g.set(b.c,b.o+30+b.f.length),Pt(g,o,b,b.f,b.u,b.c.length,b.o),o+=46+b.f.length}return Wt(g,o,e.length,w,y),g}var Nt=function(){function t(){}return t.prototype.push=function(t,n){this.ondata(null,t,n)},t.compression=0,t}();export{Nt as UnzipPassThrough};var Qt=function(){function t(){var t=this;this.i=new mt((function(n,r){t.ondata(null,n,r)}))}return t.prototype.push=function(t,n){try{this.i.push(t,n)}catch(r){this.ondata(r,t,n)}},t.compression=8,t}();export{Qt as UnzipInflate};var Vt=function(){function t(){var t=this;this.i=new bt((function(n,r,i){t.ondata(n,r,i)})),this.terminate=this.i.terminate}return t.prototype.push=function(t,n){this.i.push(A(t,0),n)},t.compression=8,t}();export{Vt as AsyncUnzipInflate};var Xt=function(){function t(t){this.onfile=t,this.k=[],this.o={0:Nt},this.p=R}return t.prototype.push=function(t,r){var i=this,e=-1==this.c&&this.d;if(this.c&&!e){var o=Math.min(this.c,t.length),a=t.subarray(0,o);this.c-=o,this.d?this.d.push(a,!this.c):this.k[0].push([a,!this.c]),t=t.subarray(o)}if(e||!this.c){var f=0,s=0,u=void 0,h=void 0,c=t.length,l=this.p.length,p=c+l;if(c)l?((h=new Uint8Array(p)).set(this.p),h.set(t,this.p.length)):h=t;else{if(!l)return;h=this.p}this.p=R;for(var v=function(){if(67324752==ft(h,s)){f=1,e&&e.push(R,!0),d.d=null,d.c=0;var t=at(h,s+6),r=at(h,s+8),o=2048&t,a=8&t,c=at(h,s+26),l=at(h,s+28);if(p>s+30+c+l){var v=[];d.k.unshift(v),f=2,u=s;var g=ft(h,s+18),y=strFromU8(h.subarray(s+30,s+=30+c),!o);if(a&&(g=-1),4294967295==g&&(g=Ht(h,s)[0]),!d.o[r])return d.onfile("unknown compression type "+r,y,null),"break";d.c=g;var w={start:function(){if(!w.ondata)throw"no callback";if(g){var t=new i.o[r];t.ondata=function(t,n,r){w.ondata(t,n,r)};for(var e=0,o=v;e<o.length;e++){var a=o[e],f=a[0],s=a[1];t.push(f,s)}i.k[0]==v&&(i.d=t)}else w.ondata(null,new n(0),!0)},terminate:function(){i.k[0]==v&&i.d.terminate&&i.d.terminate()}};d.onfile(null,y,w),s+=l}return"break"}},d=this;s<p;++s){if("break"===v())break}if(e&&e.push(2==f?h.subarray(0,u-12-(134695760==ft(h,u-12)&&4)):h.subarray(0,s),!!f),2&f)return this.push(h.subarray(s),r);if(1&f&&(this.p=h),r&&(f||this.c))throw"invalid zip file"}},t.prototype.register=function(t){this.o[t.compression]=t},t}();export{Xt as Unzip};export function unzip(t,r){if("function"!=typeof r)throw"no callback";for(var i=[],e=function(){for(var t=0;t<i.length;++t)i[t]()},o={},a=t.length-22;101010256!=ft(t,a);--a)if(!a||t.length-a>65558)return void r("invalid zip file",null);var f=at(t,a+8);f||r(null,{});var s=f,u=ft(t,a+16),h=4294967295==u;if(h){if(a=ft(t,a-12),101075792!=ft(t,a))return void r("invalid zip file",null);s=f=ft(t,a+32),u=ft(t,a+48)}for(var c=function(a){var s=Bt(t,u,h),c=s[0],l=s[1],p=s[2],v=s[3],d=s[4],g=s[5],y=Rt(t,g);u=d;var w=function(t,n){t?(e(),r(t,null)):(o[v]=n,--f||r(null,o))};if(c)if(8==c){var m=t.subarray(y,y+l);if(l<32e4)try{w(null,inflateSync(m,new n(p)))}catch(t){w(t,null)}else i.push(inflate(m,{size:p},w))}else w("unknown compression type "+c,null);else w(null,A(t,y,y+l))},l=0;l<s;++l)c();return e}export function unzipSync(t){for(var r={},i=t.length-22;101010256!=ft(t,i);--i)if(!i||t.length-i>65558)throw"invalid zip file";var e=at(t,i+8);if(!e)return{};var o=ft(t,i+16),a=4294967295==o;if(a){if(i=ft(t,i-12),101075792!=ft(t,i))throw"invalid zip file";e=ft(t,i+32),o=ft(t,i+48)}for(var f=0;f<e;++f){var s=Bt(t,o,a),u=s[0],h=s[1],c=s[2],l=s[3],p=s[4],v=s[5],d=Rt(t,v);if(o=p,u){if(8!=u)throw"unknown compression type "+u;r[l]=inflateSync(t.subarray(d,d+h),new n(c))}else r[l]=A(t,d,d+h)}return r}