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r=t.readUInt32LE(0),e=t.readUInt32LE(4),i=t.readDoubleLE(8),o=t.readDoubleLE(16),a=t.readDoubleLE(24);return new M(e&61440,r,e&4095,new Date(i),new Date(o),new Date(a))},M.clone=function(t){return new M(t.mode&61440,t.size,t.mode&4095,t.atime,t.mtime,t.ctime)},M.prototype.toBuffer=function(){var t=S.alloc(32);return t.writeUInt32LE(this.size,0),t.writeUInt32LE(this.mode,4),t.writeDoubleLE(this.atime.getTime(),8),t.writeDoubleLE(this.mtime.getTime(),16),t.writeDoubleLE(this.ctime.getTime(),24),t},M.prototype.isFile=function(){return(this.mode&61440)===R.FILE},M.prototype.isDirectory=function(){return(this.mode&61440)===R.DIRECTORY},M.prototype.isSymbolicLink=function(){return(this.mode&61440)===R.SYMLINK},M.prototype.chmod=function(t){this.mode=this.mode&61440|t},M.prototype.isSocket=function(){return!1},M.prototype.isBlockDevice=function(){return!1},M.prototype.isCharacterDevice=function(){return!1},M.prototype.isFIFO=function(){return!1};var j=function(n,t){return n};function 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0&&(e=420),this.getFdForFile(Q(this.root).openSync(q(t),N.getFileFlag(r),H(e,420)))},P.prototype.readFile=function(t,r,e){r===void 0&&(r={}),e===void 0&&(e=ct);var i=mt(r,null,"r",null);e=typeof r=="function"?r:e;var o=j(e,2);try{var a=N.getFileFlag(i.flag);return a.isReadable()?Q(this.root).readFile(q(t),i.encoding,a,o):o(new s(f.EINVAL,"Flag passed to readFile must allow for reading."))}catch(u){return o(u)}},P.prototype.readFileSync=function(t,r){r===void 0&&(r={});var e=mt(r,null,"r",null),i=N.getFileFlag(e.flag);if(!i.isReadable())throw new s(f.EINVAL,"Flag passed to readFile must allow for reading.");return Q(this.root).readFileSync(q(t),e.encoding,i)},P.prototype.writeFile=function(t,r,e,i){e===void 0&&(e={}),i===void 0&&(i=ct);var o=mt(e,"utf8","w",420);i=typeof e=="function"?e:i;var a=j(i,1);try{var u=N.getFileFlag(o.flag);return u.isWriteable()?Q(this.root).writeFile(q(t),r,o.encoding,u,o.mode,a):a(new s(f.EINVAL,"Flag passed to writeFile must allow for 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i=this.fd2file(t);i.stat(e)}catch(o){e(o)}},P.prototype.fstatSync=function(t){return this.fd2file(t).statSync()},P.prototype.close=function(t,r){var e=this;r===void 0&&(r=ct);var i=j(r,1);try{this.fd2file(t).close(function(o){o||e.closeFd(t),i(o)})}catch(o){i(o)}},P.prototype.closeSync=function(t){this.fd2file(t).closeSync(),this.closeFd(t)},P.prototype.ftruncate=function(t,r,e){e===void 0&&(e=ct);var i=typeof r=="number"?r:0;e=typeof r=="function"?r:e;var o=j(e,1);try{var a=this.fd2file(t);if(i<0)throw new s(f.EINVAL);a.truncate(i,o)}catch(u){o(u)}},P.prototype.ftruncateSync=function(t,r){r===void 0&&(r=0);var e=this.fd2file(t);if(r<0)throw new s(f.EINVAL);e.truncateSync(r)},P.prototype.fsync=function(t,r){r===void 0&&(r=ct);var e=j(r,1);try{this.fd2file(t).sync(e)}catch(i){e(i)}},P.prototype.fsyncSync=function(t){this.fd2file(t).syncSync()},P.prototype.fdatasync=function(t,r){r===void 0&&(r=ct);var e=j(r,1);try{this.fd2file(t).datasync(e)}catch(i){e(i)}},P.prototype.fdatasyncSync=function(t){this.fd2file(t).datasyncSync()},P.prototype.write=function(t,r,e,i,o,a){a===void 0&&(a=ct);var u,p,d,F=null;if(typeof r=="string"){var D="utf8";switch(typeof e){case"function":a=e;break;case"number":F=e,D=typeof i=="string"?i:"utf8",a=typeof o=="function"?o:a;break;default:return a=typeof i=="function"?i:typeof o=="function"?o:a,a(new s(f.EINVAL,"Invalid arguments."))}u=S.from(r,D),p=0,d=u.length}else u=r,p=e,d=i,F=typeof o=="number"?o:null,a=typeof o=="function"?o:a;var W=j(a,3);try{var tt=this.fd2file(t);F==null&&(F=tt.getPos()),tt.write(u,p,d,F,W)}catch(nt){W(nt)}},P.prototype.writeSync=function(t,r,e,i,o){var a,u=0,p,d;if(typeof r=="string"){d=typeof e=="number"?e:null;var F=typeof i=="string"?i:"utf8";u=0,a=S.from(r,F),p=a.length}else a=r,u=e,p=i,d=typeof o=="number"?o:null;var D=this.fd2file(t);return d==null&&(d=D.getPos()),D.writeSync(a,u,p,d)},P.prototype.read=function(t,r,e,i,o,a){a===void 0&&(a=ct);var u,p,d,F,D;if(typeof r=="number"){d=r,u=e;var W=i;a=typeof o=="function"?o:a,p=0,F=S.alloc(d),D=j(function(nt,ft,yt){if(nt)return a(nt);a(nt,yt.toString(W),ft)},3)}else F=r,p=e,d=i,u=o,D=j(a,3);try{var tt=this.fd2file(t);u==null&&(u=tt.getPos()),tt.read(F,p,d,u,D)}catch(nt){D(nt)}},P.prototype.readSync=function(t,r,e,i,o){var a=!1,u,p,d,F,D="utf8";typeof r=="number"?(d=r,F=e,D=i,p=0,u=S.alloc(d),a=!0):(u=r,p=e,d=i,F=o);var W=this.fd2file(t);F==null&&(F=W.getPos());var tt=W.readSync(u,p,d,F);return a?[u.toString(D),tt]:tt},P.prototype.fchown=function(t,r,e,i){i===void 0&&(i=ct);var o=j(i,1);try{this.fd2file(t).chown(r,e,o)}catch(a){o(a)}},P.prototype.fchownSync=function(t,r,e){this.fd2file(t).chownSync(r,e)},P.prototype.fchmod=function(t,r,e){var i=j(e,1);try{var o=typeof r=="string"?parseInt(r,8):r;this.fd2file(t).chmod(o,i)}catch(a){i(a)}},P.prototype.fchmodSync=function(t,r){var e=typeof r=="string"?parseInt(r,8):r;this.fd2file(t).chmodSync(e)},P.prototype.futimes=function(t,r,e,i){i===void 0&&(i=ct);var o=j(i,1);try{var a=this.fd2file(t);typeof r=="number"&&(r=new Date(r*1e3)),typeof e=="number"&&(e=new Date(e*1e3)),a.utimes(r,e,o)}catch(u){o(u)}},P.prototype.futimesSync=function(t,r,e){this.fd2file(t).utimesSync(rt(r),rt(e))},P.prototype.rmdir=function(t,r){r===void 0&&(r=ct);var e=j(r,1);try{t=q(t),Q(this.root).rmdir(t,e)}catch(i){e(i)}},P.prototype.rmdirSync=function(t){return t=q(t),Q(this.root).rmdirSync(t)},P.prototype.mkdir=function(t,r,e){e===void 0&&(e=ct),typeof r=="function"&&(e=r,r=511);var i=j(e,1);try{t=q(t),Q(this.root).mkdir(t,r,i)}catch(o){i(o)}},P.prototype.mkdirSync=function(t,r){Q(this.root).mkdirSync(q(t),H(r,511))},P.prototype.readdir=function(t,r){r===void 0&&(r=ct);var e=j(r,2);try{t=q(t),Q(this.root).readdir(t,e)}catch(i){e(i)}},P.prototype.readdirSync=function(t){return t=q(t),Q(this.root).readdirSync(t)},P.prototype.link=function(t,r,e){e===void 0&&(e=ct);var i=j(e,1);try{t=q(t),r=q(r),Q(this.root).link(t,r,i)}catch(o){i(o)}},P.prototype.linkSync=function(t,r){return t=q(t),r=q(r),Q(this.root).linkSync(t,r)},P.prototype.symlink=function(t,r,e,i){i===void 0&&(i=ct);var o=typeof e=="string"?e:"file";i=typeof e=="function"?e:i;var a=j(i,1);try{if(o!=="file"&&o!=="dir")return a(new s(f.EINVAL,"Invalid type: "+o));t=q(t),r=q(r),Q(this.root).symlink(t,r,o,a)}catch(u){a(u)}},P.prototype.symlinkSync=function(t,r,e){if(!e)e="file";else if(e!=="file"&&e!=="dir")throw new s(f.EINVAL,"Invalid type: "+e);return t=q(t),r=q(r),Q(this.root).symlinkSync(t,r,e)},P.prototype.readlink=function(t,r){r===void 0&&(r=ct);var e=j(r,2);try{t=q(t),Q(this.root).readlink(t,e)}catch(i){e(i)}},P.prototype.readlinkSync=function(t){return t=q(t),Q(this.root).readlinkSync(t)},P.prototype.chown=function(t,r,e,i){i===void 0&&(i=ct);var o=j(i,1);try{t=q(t),Q(this.root).chown(t,!1,r,e,o)}catch(a){o(a)}},P.prototype.chownSync=function(t,r,e){t=q(t),Q(this.root).chownSync(t,!1,r,e)},P.prototype.lchown=function(t,r,e,i){i===void 0&&(i=ct);var o=j(i,1);try{t=q(t),Q(this.root).chown(t,!0,r,e,o)}catch(a){o(a)}},P.prototype.lchownSync=function(t,r,e){t=q(t),Q(this.root).chownSync(t,!0,r,e)},P.prototype.chmod=function(t,r,e){e===void 0&&(e=ct);var i=j(e,1);try{var o=H(r,-1);if(o<0)throw new s(f.EINVAL,"Invalid mode.");Q(this.root).chmod(q(t),!1,o,i)}catch(a){i(a)}},P.prototype.chmodSync=function(t,r){var e=H(r,-1);if(e<0)throw new s(f.EINVAL,"Invalid mode.");t=q(t),Q(this.root).chmodSync(t,!1,e)},P.prototype.lchmod=function(t,r,e){e===void 0&&(e=ct);var i=j(e,1);try{var o=H(r,-1);if(o<0)throw new s(f.EINVAL,"Invalid mode.");Q(this.root).chmod(q(t),!0,o,i)}catch(a){i(a)}},P.prototype.lchmodSync=function(t,r){var e=H(r,-1);if(e<1)throw new s(f.EINVAL,"Invalid mode.");Q(this.root).chmodSync(q(t),!0,e)},P.prototype.utimes=function(t,r,e,i){i===void 0&&(i=ct);var o=j(i,1);try{Q(this.root).utimes(q(t),rt(r),rt(e),o)}catch(a){o(a)}},P.prototype.utimesSync=function(t,r,e){Q(this.root).utimesSync(q(t),rt(r),rt(e))},P.prototype.realpath=function(t,r,e){e===void 0&&(e=ct);var i=typeof r=="object"?r:{};e=typeof r=="function"?r:ct;var o=j(e,2);try{t=q(t),Q(this.root).realpath(t,i,o)}catch(a){o(a)}},P.prototype.realpathSync=function(t,r){return r===void 0&&(r={}),t=q(t),Q(this.root).realpathSync(t,r)},P.prototype.watchFile=function(t,r,e){throw e===void 0&&(e=ct),new s(f.ENOTSUP)},P.prototype.unwatchFile=function(t,r){throw r===void 0&&(r=ct),new s(f.ENOTSUP)},P.prototype.watch=function(t,r,e){throw e===void 0&&(e=ct),new s(f.ENOTSUP)},P.prototype.access=function(t,r,e){throw e===void 0&&(e=ct),new s(f.ENOTSUP)},P.prototype.accessSync=function(t,r){throw new s(f.ENOTSUP)},P.prototype.createReadStream=function(t,r){throw new s(f.ENOTSUP)},P.prototype.createWriteStream=function(t,r){throw new s(f.ENOTSUP)},P.prototype.wrapCallbacks=function(t){j=t},P.prototype.getFdForFile=function(t){var r=this.nextFd++;return this.fdMap[r]=t,r},P.prototype.fd2file=function(t){var r=this.fdMap[t];if(r)return r;throw new s(f.EBADF,"Invalid file descriptor.")},P.prototype.closeFd=function(t){delete this.fdMap[t]},P.Stats=M;var ht=new P,$={},gt=P.prototype;Object.keys(gt).forEach(function(n){typeof ht[n]=="function"?$[n]=function(){return ht[n].apply(ht,arguments)}:$[n]=ht[n]}),$.changeFSModule=function(n){ht=n},$.getFSModule=function(){return ht},$.FS=P;function It(n,t,r,e,i){return n<t||r<t?n>r?r+1:n+1:e===i?t:t+1}function vt(n,t){if(n===t)return 0;if(n.length>t.length){var r=n;n=t,t=r}for(var e=n.length,i=t.length;e>0&&n.charCodeAt(e-1)===t.charCodeAt(i-1);)e--,i--;for(var o=0;o<e&&n.charCodeAt(o)===t.charCodeAt(o);)o++;if(e-=o,i-=o,e===0||i===1)return i;for(var a=new Array(e<<1),u=0;u<e;)a[e+u]=n.charCodeAt(o+u),a[u]=++u;var p,d,F,D,W;for(p=0;p+3<i;)for(var tt=t.charCodeAt(o+(d=p)),nt=t.charCodeAt(o+(F=p+1)),ft=t.charCodeAt(o+(D=p+2)),yt=t.charCodeAt(o+(W=p+3)),Et=p+=4,Kt=0;Kt<e;){var re=a[e+Kt],Ee=a[Kt];d=It(Ee,d,F,tt,re),F=It(d,F,D,nt,re),D=It(F,D,W,ft,re),Et=It(D,W,Et,yt,re),a[Kt++]=Et,W=D,D=F,F=d,d=Ee}for(var xe=0;p<i;){var or=t.charCodeAt(o+(d=p));xe=++p;for(var Te=0;Te<e;Te++){var Le=a[Te];a[Te]=xe=Le<d||xe<d?Le>xe?xe+1:Le+1:or===a[e+Te]?d:d+1,d=Le}}return xe}function Tt(n,t,r){n&&console.warn("["+t+"] Direct file system constructor usage is deprecated for this file system, and will be removed in the next major version. 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You provided unrecognized option '"+ft[0].str+"'; perhaps you meant to type '"+W+"'.":"")+`
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this.nodefs.readSync(t.nfd,xt(r),e,i,o)}catch(a){throw new this.FS.ErrnoError(this.ERRNO_CODES[a.code])}},Pt.prototype.write=function(t,r,e,i,o){try{return this.nodefs.writeSync(t.nfd,xt(r),e,i,o)}catch(a){throw new this.FS.ErrnoError(this.ERRNO_CODES[a.code])}},Pt.prototype.llseek=function(t,r,e){var i=r;if(e===1)i+=t.position;else if(e===2&&this.FS.isFile(t.node.mode))try{var o=this.nodefs.fstatSync(t.nfd);i+=o.size}catch(a){throw new this.FS.ErrnoError(this.ERRNO_CODES[a.code])}if(i<0)throw new this.FS.ErrnoError(this.ERRNO_CODES.EINVAL);return t.position=i,i};var Ct=function(t){this.fs=t,this.nodefs=t.getNodeFS(),this.FS=t.getFS(),this.PATH=t.getPATH(),this.ERRNO_CODES=t.getERRNO_CODES()};Ct.prototype.getattr=function(t){var r=this.fs.realPath(t),e;try{e=this.nodefs.lstatSync(r)}catch(i){throw i.code?new this.FS.ErrnoError(this.ERRNO_CODES[i.code]):i}return{dev:e.dev,ino:e.ino,mode:e.mode,nlink:e.nlink,uid:e.uid,gid:e.gid,rdev:e.rdev,size:e.size,atime:e.atime,mtime:e.mtime,ctime:e.ctime,blksize:e.blksize,blocks:e.blocks}},Ct.prototype.setattr=function(t,r){var e=this.fs.realPath(t);try{if(r.mode!==void 0&&(this.nodefs.chmodSync(e,r.mode),t.mode=r.mode),r.timestamp!==void 0){var i=new Date(r.timestamp);this.nodefs.utimesSync(e,i,i)}}catch(o){if(!o.code)throw o;if(o.code!=="ENOTSUP")throw new this.FS.ErrnoError(this.ERRNO_CODES[o.code])}if(r.size!==void 0)try{this.nodefs.truncateSync(e,r.size)}catch(o){throw o.code?new this.FS.ErrnoError(this.ERRNO_CODES[o.code]):o}},Ct.prototype.lookup=function(t,r){var e=this.PATH.join2(this.fs.realPath(t),r),i=this.fs.getMode(e);return this.fs.createNode(t,r,i)},Ct.prototype.mknod=function(t,r,e,i){var 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or=function(){re[D]=xe,u.put(Kt.id,S.from(JSON.stringify(Et)),!0,function(Te){$t(Te,u,o)&&(p===F?u.commit(o):u.put(Ee.id,S.from(JSON.stringify(re)),!0,function(Le){$t(Le,u,o)&&u.commit(o)}))})};re[D]?a.getINode(u,i,re[D],function(Te,Le){$t(Te,u,o)&&(Le.isFile()?u.del(Le.id,function(xi){$t(xi,u,o)&&u.del(re[D],function(as){$t(as,u,o)&&or()})}):u.abort(function(xi){o(s.EPERM(i))}))}):or()}}},yt=function(Et){a.findINodeAndDirListing(u,Et,function(Kt,re,Ee){Kt?nt||(nt=!0,u.abort(function(){o(Kt)})):(W[Et]=re,tt[Et]=Ee,ft())})};yt(p),p!==F&&yt(F)},t.prototype.stat=function(e,i,o){var a=this.store.beginTransaction("readonly");this.findINode(a,e,function(u,p){de(u,o)&&o(null,p.toStats())})},t.prototype.createFile=function(e,i,o,a){var u=this,p=this.store.beginTransaction("readwrite"),d=ot();this.commitNewFile(p,e,R.FILE,o,d,function(F,D){de(F,a)&&a(null,new Mn(u,e,i,D.toStats(),d))})},t.prototype.openFile=function(e,i,o){var a=this,u=this.store.beginTransaction("readonly");this.findINode(u,e,function(p,d){de(p,o)&&u.get(d.id,function(F,D){de(F,o)&&(D===void 0?o(s.ENOENT(e)):o(null,new Mn(a,e,i,d.toStats(),D)))})})},t.prototype.unlink=function(e,i){this.removeEntry(e,!1,i)},t.prototype.rmdir=function(e,i){var o=this;this.readdir(e,function(a,u){a?i(a):u.length>0?i(s.ENOTEMPTY(e)):o.removeEntry(e,!0,i)})},t.prototype.mkdir=function(e,i,o){var a=this.store.beginTransaction("readwrite"),u=S.from("{}");this.commitNewFile(a,e,R.DIRECTORY,i,u,o)},t.prototype.readdir=function(e,i){var o=this,a=this.store.beginTransaction("readonly");this.findINode(a,e,function(u,p){de(u,i)&&o.getDirListing(a,e,p,function(d,F){de(d,i)&&i(null,Object.keys(F))})})},t.prototype._sync=function(e,i,o,a){var u=this,p=this.store.beginTransaction("readwrite");this._findINode(p,h.dirname(e),h.basename(e),function(d,F){$t(d,p,a)&&u.getINode(p,e,F,function(D,W){if($t(D,p,a)){var tt=W.update(o);p.put(W.id,i,!0,function(nt){$t(nt,p,a)&&(tt?p.put(F,W.toBuffer(),!0,function(ft){$t(ft,p,a)&&p.commit(a)}):p.commit(a))})}})})},t.prototype.makeRootDirectory=function(e){var i=this.store.beginTransaction("readwrite");i.get(Ce,function(o,a){if(o||a===void 0){var u=new Date().getTime(),p=new ce(kr(),4096,511|R.DIRECTORY,u,u,u);i.put(p.id,Dn(),!1,function(d){$t(d,i,e)&&i.put(Ce,p.toBuffer(),!1,function(F){F?i.abort(function(){e(F)}):i.commit(e)})})}else i.commit(e)})},t.prototype._findINode=function(e,i,o,a){var u=this,p=function(d,F,D){d?a(d):D[o]?a(null,D[o]):a(s.ENOENT(h.resolve(i,o)))};i==="/"?o===""?a(null,Ce):this.getINode(e,i,Ce,function(d,F){de(d,a)&&u.getDirListing(e,i,F,function(D,W){p(D,F,W)})}):this.findINodeAndDirListing(e,i,p)},t.prototype.findINode=function(e,i,o){var a=this;this._findINode(e,h.dirname(i),h.basename(i),function(u,p){de(u,o)&&a.getINode(e,i,p,o)})},t.prototype.getINode=function(e,i,o,a){e.get(o,function(u,p){de(u,a)&&(p===void 0?a(s.ENOENT(i)):a(null,ce.fromBuffer(p)))})},t.prototype.getDirListing=function(e,i,o,a){o.isDirectory()?e.get(o.id,function(u,p){if(de(u,a))try{a(null,JSON.parse(p.toString()))}catch{a(s.ENOENT(i))}}):a(s.ENOTDIR(i))},t.prototype.findINodeAndDirListing=function(e,i,o){var a=this;this.findINode(e,i,function(u,p){de(u,o)&&a.getDirListing(e,i,p,function(d,F){de(d,o)&&o(null,p,F)})})},t.prototype.addNewNode=function(e,i,o){var a=0,u,p=function(){++a===5?o(new s(f.EIO,"Unable to commit data to key-value store.")):(u=kr(),e.put(u,i,!1,function(d,F){d||!F?p():o(null,u)}))};p()},t.prototype.commitNewFile=function(e,i,o,a,u,p){var d=this,F=h.dirname(i),D=h.basename(i),W=new Date().getTime();if(i==="/")return p(s.EEXIST(i));this.findINodeAndDirListing(e,F,function(tt,nt,ft){$t(tt,e,p)&&(ft[D]?e.abort(function(){p(s.EEXIST(i))}):d.addNewNode(e,u,function(yt,Et){if($t(yt,e,p)){var Kt=new ce(Et,u.length,a|o,W,W,W);d.addNewNode(e,Kt.toBuffer(),function(re,Ee){$t(re,e,p)&&(ft[D]=Ee,e.put(nt.id,S.from(JSON.stringify(ft)),!0,function(xe){$t(xe,e,p)&&e.commit(function(or){$t(or,e,p)&&p(null,Kt)})}))})}}))})},t.prototype.removeEntry=function(e,i,o){var a=this,u=this.store.beginTransaction("readwrite"),p=h.dirname(e),d=h.basename(e);this.findINodeAndDirListing(u,p,function(F,D,W){if($t(F,u,o))if(!W[d])u.abort(function(){o(s.ENOENT(e))});else{var tt=W[d];delete W[d],a.getINode(u,e,tt,function(nt,ft){$t(nt,u,o)&&(!i&&ft.isDirectory()?u.abort(function(){o(s.EISDIR(e))}):i&&!ft.isDirectory()?u.abort(function(){o(s.ENOTDIR(e))}):u.del(ft.id,function(yt){$t(yt,u,o)&&u.del(tt,function(Et){$t(Et,u,o)&&u.put(D.id,S.from(JSON.stringify(W)),!0,function(Kt){$t(Kt,u,o)&&u.commit(o)})})}))})}})},t}(ut),Pe=function(){this.store={}};Pe.prototype.name=function(){return $e.Name},Pe.prototype.clear=function(){this.store={}},Pe.prototype.beginTransaction=function(t){return new ke(this)},Pe.prototype.get=function(t){return this.store[t]},Pe.prototype.put=function(t,r,e){return!e&&this.store.hasOwnProperty(t)?!1:(this.store[t]=r,!0)},Pe.prototype.del=function(t){delete this.store[t]};var $e=function(n){function t(){n.call(this,{store:new Pe})}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.Create=function(e,i){i(null,new t)},t}(Cn);$e.Name="InMemory",$e.Options={};var Yr=c.indexedDB||c.mozIndexedDB||c.webkitIndexedDB||c.msIndexedDB;function ur(n,t){switch(t===void 0&&(t=n.toString()),n.name){case"NotFoundError":return new s(f.ENOENT,t);case"QuotaExceededError":return new s(f.ENOSPC,t);default:return new s(f.EIO,t)}}function fr(n,t,r){return t===void 0&&(t=f.EIO),r===void 0&&(r=null),function(e){e.preventDefault(),n(new s(t,r!==null?r:void 0))}}var qr=function(t,r){this.tx=t,this.store=r};qr.prototype.get=function(t,r){try{var e=this.store.get(t);e.onerror=fr(r),e.onsuccess=function(i){var o=i.target.result;o===void 0?r(null,o):r(null,A(o))}}catch(i){r(ur(i))}};var La=function(n){function t(r,e){n.call(this,r,e)}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.prototype.put=function(e,i,o,a){try{var u=qt(i),p;p=o?this.store.put(u,e):this.store.add(u,e),p.onerror=fr(a),p.onsuccess=function(d){a(null,!0)}}catch(d){a(ur(d))}},t.prototype.del=function(e,i){try{var o=this.store.delete(e);o.onerror=fr(i),o.onsuccess=function(a){i()}}catch(a){i(ur(a))}},t.prototype.commit=function(e){setTimeout(e,0)},t.prototype.abort=function(e){var i=null;try{this.tx.abort()}catch(o){i=ur(o)}finally{e(i)}},t}(qr),tr=function(t,r){this.db=t,this.storeName=r};tr.Create=function(t,r){var e=Yr.open(t,1);e.onupgradeneeded=function(i){var o=i.target.result;o.objectStoreNames.contains(t)&&o.deleteObjectStore(t),o.createObjectStore(t)},e.onsuccess=function(i){r(null,new tr(i.target.result,t))},e.onerror=fr(r,f.EACCES)},tr.prototype.name=function(){return cr.Name+" - "+this.storeName},tr.prototype.clear=function(t){try{var r=this.db.transaction(this.storeName,"readwrite"),e=r.objectStore(this.storeName),i=e.clear();i.onsuccess=function(o){setTimeout(t,0)},i.onerror=fr(t)}catch(o){t(ur(o))}},tr.prototype.beginTransaction=function(t){t===void 0&&(t="readonly");var r=this.db.transaction(this.storeName,t),e=r.objectStore(this.storeName);if(t==="readwrite")return new La(r,e);if(t==="readonly")return new qr(r,e);throw new s(f.EINVAL,"Invalid transaction type.")};var cr=function(n){function t(r){n.call(this),this.store=r}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.Create=function(e,i){tr.Create(e.storeName?e.storeName:"browserfs",function(o,a){a?i(null,new t(a)):i(o)})},t.isAvailable=function(){try{return typeof Yr<"u"&&Yr.open("__browserfs_test__")!==null}catch{return!1}},t}(Ta);cr.Name="IndexedDB",cr.Options={storeName:{type:"string",optional:!0,description:"The name of this file system. You can have multiple IndexedDB file systems operating at once, but each must have a different name."}};var Xr=!1,lr;try{c.localStorage.setItem("__test__",String.fromCharCode(55296)),Xr=c.localStorage.getItem("__test__")===String.fromCharCode(55296)}catch{Xr=!1}lr=Xr?"binary_string":"binary_string_ie",S.isEncoding(lr)||(lr="base64");var Be=function(){};Be.prototype.name=function(){return hr.Name},Be.prototype.clear=function(){c.localStorage.clear()},Be.prototype.beginTransaction=function(t){return new ke(this)},Be.prototype.get=function(t){try{var r=c.localStorage.getItem(t);if(r!==null)return S.from(r,lr)}catch{}},Be.prototype.put=function(t,r,e){try{return!e&&c.localStorage.getItem(t)!==null?!1:(c.localStorage.setItem(t,r.toString(lr)),!0)}catch{throw new s(f.ENOSPC,"LocalStorage is full.")}},Be.prototype.del=function(t){try{c.localStorage.removeItem(t)}catch(r){throw new s(f.EIO,"Unable to delete key "+t+": "+r)}};var hr=function(n){function t(){n.call(this,{store:new Be})}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.Create=function(e,i){i(null,new t)},t.isAvailable=function(){return typeof c.localStorage<"u"},t}(Cn);hr.Name="LocalStorage",hr.Options={};var er=function(n){function t(r){n.call(this),this.mountList=[],this.mntMap={},this.rootFs=r}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.Create=function(e,i){$e.Create({},function(o,a){if(a){var u=new t(a);try{Object.keys(e).forEach(function(p){u.mount(p,e[p])})}catch(p){return i(p)}i(null,u)}else i(o)})},t.isAvailable=function(){return!0},t.prototype.mount=function(e,i){if(e[0]!=="/"&&(e="/"+e),e=h.resolve(e),this.mntMap[e])throw new s(f.EINVAL,"Mount point "+e+" is already taken.");Zt(e,511,this.rootFs),this.mntMap[e]=i,this.mountList.push(e),this.mountList=this.mountList.sort(function(o,a){return a.length-o.length})},t.prototype.umount=function(e){var i=this;if(e[0]!=="/"&&(e="/"+e),e=h.resolve(e),!this.mntMap[e])throw new s(f.EINVAL,"Mount point "+e+" is already unmounted.");for(delete this.mntMap[e],this.mountList.splice(this.mountList.indexOf(e),1);e!=="/"&&i.rootFs.readdirSync(e).length===0;)i.rootFs.rmdirSync(e),e=h.dirname(e)},t.prototype._getFs=function(e){for(var i=this,o=this.mountList,a=o.length,u=0;u<a;u++){var p=o[u];if(p.length<=e.length&&e.indexOf(p)===0)return e=e.substr(p.length>1?p.length:0),e===""&&(e="/"),{fs:i.mntMap[p],path:e}}return{fs:this.rootFs,path:e}},t.prototype.getName=function(){return t.Name},t.prototype.diskSpace=function(e,i){i(0,0)},t.prototype.isReadOnly=function(){return!1},t.prototype.supportsLinks=function(){return!1},t.prototype.supportsProps=function(){return!1},t.prototype.supportsSynch=function(){return!0},t.prototype.standardizeError=function(e,i,o){var a=e.message.indexOf(i);return a!==-1&&(e.message=e.message.substr(0,a)+o+e.message.substr(a+i.length),e.path=o),e},t.prototype.rename=function(e,i,o){var a=this,u=this._getFs(e),p=this._getFs(i);return u.fs===p.fs?u.fs.rename(u.path,p.path,function(d){d&&a.standardizeError(a.standardizeError(d,u.path,e),p.path,i),o(d)}):$.readFile(e,function(d,F){if(d)return o(d);$.writeFile(i,F,function(D){if(D)return o(D);$.unlink(e,o)})})},t.prototype.renameSync=function(e,i){var o=this._getFs(e),a=this._getFs(i);if(o.fs===a.fs)try{return o.fs.renameSync(o.path,a.path)}catch(p){throw this.standardizeError(this.standardizeError(p,o.path,e),a.path,i),p}var u=$.readFileSync(e);return $.writeFileSync(i,u),$.unlinkSync(e)},t.prototype.readdirSync=function(e){var i=this._getFs(e),o=null;if(i.fs!==this.rootFs)try{o=this.rootFs.readdirSync(e)}catch{}try{var a=i.fs.readdirSync(i.path);return o===null?a:a.concat(o.filter(function(u){return a.indexOf(u)===-1}))}catch(u){if(o===null)throw this.standardizeError(u,i.path,e);return o}},t.prototype.readdir=function(e,i){var o=this,a=this._getFs(e);a.fs.readdir(a.path,function(u,p){if(a.fs!==o.rootFs)try{var d=o.rootFs.readdirSync(e);p?p=p.concat(d.filter(function(F){return p.indexOf(F)===-1})):p=d}catch{if(u)return i(o.standardizeError(u,a.path,e))}else if(u)return i(o.standardizeError(u,a.path,e));i(null,p)})},t.prototype.rmdirSync=function(e){var i=this._getFs(e);if(this._containsMountPt(e))throw s.ENOTEMPTY(e);try{i.fs.rmdirSync(i.path)}catch(o){throw this.standardizeError(o,i.path,e)}},t.prototype.rmdir=function(e,i){var o=this,a=this._getFs(e);this._containsMountPt(e)?i(s.ENOTEMPTY(e)):a.fs.rmdir(a.path,function(u){i(u?o.standardizeError(u,a.path,e):null)})},t.prototype._containsMountPt=function(e){for(var i=this.mountList,o=i.length,a=0;a<o;a++){var u=i[a];if(u.length>=e.length&&u.slice(0,e.length)===e)return!0}return!1},t}(ut);er.Name="MountableFileSystem",er.Options={};function Un(n,t,r){return t?function(){for(var e=[],i=arguments.length;i--;)e[i]=arguments[i];var o=e[0],a=this._getFs(o);e[0]=a.path;try{return a.fs[n].apply(a.fs,e)}catch(u){throw this.standardizeError(u,a.path,o),u}}:function(){for(var e=this,i=[],o=arguments.length;o--;)i[o]=arguments[o];var a=i[0],u=this._getFs(a);if(i[0]=u.path,typeof i[i.length-1]=="function"){var p=i[i.length-1];i[i.length-1]=function(){for(var d=[],F=arguments.length;F--;)d[F]=arguments[F];d.length>0&&d[0]instanceof s&&e.standardizeError(d[0],u.path,a),p.apply(null,d)}}return u.fs[n].apply(u.fs,i)}}for(var Pn=[["exists","unlink","readlink"],["stat","mkdir","realpath","truncate"],["open","readFile","chmod","utimes"],["chown"],["writeFile","appendFile"]],pr=0;pr<Pn.length;pr++)for(var Na=Pn[pr],Gr=0,Bn=Na;Gr<Bn.length;Gr+=1){var Or=Bn[Gr];er.prototype[Or]=Un(Or,!1,pr+1),er.prototype[Or+"Sync"]=Un(Or+"Sync",!0,pr+1)}var dr=function(){this._locked=!1,this._waiters=[]};dr.prototype.lock=function(t){if(this._locked){this._waiters.push(t);return}this._locked=!0,t()},dr.prototype.unlock=function(){if(!this._locked)throw new Error("unlock of a non-locked mutex");var t=this._waiters.shift();if(t){Ut(t);return}this._locked=!1},dr.prototype.tryLock=function(){return this._locked?!1:(this._locked=!0,!0)},dr.prototype.isLocked=function(){return this._locked};var dt=function(t){this._fs=t,this._mu=new dr};dt.prototype.getName=function(){return"LockedFS<"+this._fs.getName()+">"},dt.prototype.getFSUnlocked=function(){return this._fs},dt.prototype.diskSpace=function(t,r){this._fs.diskSpace(t,r)},dt.prototype.isReadOnly=function(){return this._fs.isReadOnly()},dt.prototype.supportsLinks=function(){return this._fs.supportsLinks()},dt.prototype.supportsProps=function(){return this._fs.supportsProps()},dt.prototype.supportsSynch=function(){return this._fs.supportsSynch()},dt.prototype.rename=function(t,r,e){var i=this;this._mu.lock(function(){i._fs.rename(t,r,function(o){i._mu.unlock(),e(o)})})},dt.prototype.renameSync=function(t,r){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.renameSync(t,r)},dt.prototype.stat=function(t,r,e){var i=this;this._mu.lock(function(){i._fs.stat(t,r,function(o,a){i._mu.unlock(),e(o,a)})})},dt.prototype.statSync=function(t,r){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.statSync(t,r)},dt.prototype.open=function(t,r,e,i){var o=this;this._mu.lock(function(){o._fs.open(t,r,e,function(a,u){o._mu.unlock(),i(a,u)})})},dt.prototype.openSync=function(t,r,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.openSync(t,r,e)},dt.prototype.unlink=function(t,r){var e=this;this._mu.lock(function(){e._fs.unlink(t,function(i){e._mu.unlock(),r(i)})})},dt.prototype.unlinkSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.unlinkSync(t)},dt.prototype.rmdir=function(t,r){var e=this;this._mu.lock(function(){e._fs.rmdir(t,function(i){e._mu.unlock(),r(i)})})},dt.prototype.rmdirSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.rmdirSync(t)},dt.prototype.mkdir=function(t,r,e){var i=this;this._mu.lock(function(){i._fs.mkdir(t,r,function(o){i._mu.unlock(),e(o)})})},dt.prototype.mkdirSync=function(t,r){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.mkdirSync(t,r)},dt.prototype.readdir=function(t,r){var e=this;this._mu.lock(function(){e._fs.readdir(t,function(i,o){e._mu.unlock(),r(i,o)})})},dt.prototype.readdirSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readdirSync(t)},dt.prototype.exists=function(t,r){var e=this;this._mu.lock(function(){e._fs.exists(t,function(i){e._mu.unlock(),r(i)})})},dt.prototype.existsSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.existsSync(t)},dt.prototype.realpath=function(t,r,e){var i=this;this._mu.lock(function(){i._fs.realpath(t,r,function(o,a){i._mu.unlock(),e(o,a)})})},dt.prototype.realpathSync=function(t,r){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.realpathSync(t,r)},dt.prototype.truncate=function(t,r,e){var i=this;this._mu.lock(function(){i._fs.truncate(t,r,function(o){i._mu.unlock(),e(o)})})},dt.prototype.truncateSync=function(t,r){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.truncateSync(t,r)},dt.prototype.readFile=function(t,r,e,i){var o=this;this._mu.lock(function(){o._fs.readFile(t,r,e,function(a,u){o._mu.unlock(),i(a,u)})})},dt.prototype.readFileSync=function(t,r,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readFileSync(t,r,e)},dt.prototype.writeFile=function(t,r,e,i,o,a){var u=this;this._mu.lock(function(){u._fs.writeFile(t,r,e,i,o,function(p){u._mu.unlock(),a(p)})})},dt.prototype.writeFileSync=function(t,r,e,i,o){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.writeFileSync(t,r,e,i,o)},dt.prototype.appendFile=function(t,r,e,i,o,a){var u=this;this._mu.lock(function(){u._fs.appendFile(t,r,e,i,o,function(p){u._mu.unlock(),a(p)})})},dt.prototype.appendFileSync=function(t,r,e,i,o){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.appendFileSync(t,r,e,i,o)},dt.prototype.chmod=function(t,r,e,i){var o=this;this._mu.lock(function(){o._fs.chmod(t,r,e,function(a){o._mu.unlock(),i(a)})})},dt.prototype.chmodSync=function(t,r,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.chmodSync(t,r,e)},dt.prototype.chown=function(t,r,e,i,o){var a=this;this._mu.lock(function(){a._fs.chown(t,r,e,i,function(u){a._mu.unlock(),o(u)})})},dt.prototype.chownSync=function(t,r,e,i){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.chownSync(t,r,e,i)},dt.prototype.utimes=function(t,r,e,i){var o=this;this._mu.lock(function(){o._fs.utimes(t,r,e,function(a){o._mu.unlock(),i(a)})})},dt.prototype.utimesSync=function(t,r,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.utimesSync(t,r,e)},dt.prototype.link=function(t,r,e){var i=this;this._mu.lock(function(){i._fs.link(t,r,function(o){i._mu.unlock(),e(o)})})},dt.prototype.linkSync=function(t,r){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.linkSync(t,r)},dt.prototype.symlink=function(t,r,e,i){var o=this;this._mu.lock(function(){o._fs.symlink(t,r,e,function(a){o._mu.unlock(),i(a)})})},dt.prototype.symlinkSync=function(t,r,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.symlinkSync(t,r,e)},dt.prototype.readlink=function(t,r){var e=this;this._mu.lock(function(){e._fs.readlink(t,function(i,o){e._mu.unlock(),r(i,o)})})},dt.prototype.readlinkSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readlinkSync(t)};var Oe="/.deletedFiles.log";function jn(n){return 146|n}function ye(n){return N.getFileFlag(n)}var zn=function(n){function t(r,e,i,o,a){n.call(this,r,e,i,o,a)}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.prototype.sync=function(e){var i=this;if(!this.isDirty()){e(null);return}this._fs._syncAsync(this,function(o){i.resetDirty(),e(o)})},t.prototype.syncSync=function(){this.isDirty()&&(this._fs._syncSync(this),this.resetDirty())},t.prototype.close=function(e){this.sync(e)},t.prototype.closeSync=function(){this.syncSync()},t}(X),Wn=function(n){function 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yr.Name},t.prototype._initialize=function(e){var i=this,o=this._initializeCallbacks,a=function(u){i._isInitialized=!u,i._initializeCallbacks=[],o.forEach(function(p){return p(u)})};if(this._isInitialized)return e();o.push(e),o.length===1&&this._writable.readFile(Oe,"utf8",ye("r"),function(u,p){if(u){if(u.errno!==f.ENOENT)return a(u)}else i._deleteLog=p;i._reparseDeletionLog(),a()})},t.prototype.isReadOnly=function(){return!1},t.prototype.supportsSynch=function(){return this._readable.supportsSynch()&&this._writable.supportsSynch()},t.prototype.supportsLinks=function(){return!1},t.prototype.supportsProps=function(){return this._readable.supportsProps()&&this._writable.supportsProps()},t.prototype.getDeletionLog=function(){return this._deleteLog},t.prototype.restoreDeletionLog=function(e){this._deleteLog=e,this._reparseDeletionLog(),this.updateLog("")},t.prototype.rename=function(e,i,o){var a=this;if(!(!this.checkInitAsync(o)||this.checkPathAsync(e,o)||this.checkPathAsync(i,o))){if(e===Oe||i===Oe)return o(s.EPERM("Cannot rename deletion log."));if(e===i)return o();this.stat(e,!1,function(u,p){return u?o(u):a.stat(i,!1,function(d,F){var D=a;function W(nt){var ft=nt.shift();if(!ft)return o();var yt=h.resolve(e,ft),Et=h.resolve(i,ft);D.rename(yt,Et,function(Kt){if(Kt)return o(Kt);W(nt)})}var tt=511;if(p.isDirectory()){if(d)return d.errno!==f.ENOENT?o(d):a._writable.exists(e,function(nt){if(nt)return a._writable.rename(e,i,o);a._writable.mkdir(i,tt,function(ft){if(ft)return o(ft);a._readable.readdir(e,function(yt,Et){if(yt)return o();W(Et)})})});if(tt=F.mode,!F.isDirectory())return o(s.ENOTDIR(i));a.readdir(i,function(nt,ft){if(ft&&ft.length)return o(s.ENOTEMPTY(i));a._readable.readdir(e,function(yt,Et){if(yt)return o();W(Et)})})}if(F&&F.isDirectory())return o(s.EISDIR(i));a.readFile(e,null,ye("r"),function(nt,ft){return nt?o(nt):a.writeFile(i,ft,null,ye("w"),p.mode,function(yt){return yt?o(yt):a.unlink(e,o)})})})})}},t.prototype.renameSync=function(e,i){var o=this;if(this.checkInitialized(),this.checkPath(e),this.checkPath(i),e===Oe||i===Oe)throw s.EPERM("Cannot rename deletion log.");var a=this.statSync(e,!1);if(a.isDirectory()){if(e===i)return;var u=511;if(this.existsSync(i)){var p=this.statSync(i,!1);if(u=p.mode,p.isDirectory()){if(this.readdirSync(i).length>0)throw s.ENOTEMPTY(i)}else throw s.ENOTDIR(i)}this._writable.existsSync(e)?this._writable.renameSync(e,i):this._writable.existsSync(i)||this._writable.mkdirSync(i,u),this._readable.existsSync(e)&&this._readable.readdirSync(e).forEach(function(d){o.renameSync(h.resolve(e,d),h.resolve(i,d))})}else{if(this.existsSync(i)&&this.statSync(i,!1).isDirectory())throw s.EISDIR(i);this.writeFileSync(i,this.readFileSync(e,null,ye("r")),null,ye("w"),a.mode)}e!==i&&this.existsSync(e)&&this.unlinkSync(e)},t.prototype.stat=function(e,i,o){var a=this;this.checkInitAsync(o)&&this._writable.stat(e,i,function(u,p){u&&u.errno===f.ENOENT?(a._deletedFiles[e]&&o(s.ENOENT(e)),a._readable.stat(e,i,function(d,F){F&&(F=M.clone(F),F.mode=jn(F.mode)),o(d,F)})):o(u,p)})},t.prototype.statSync=function(e,i){this.checkInitialized();try{return this._writable.statSync(e,i)}catch{if(this._deletedFiles[e])throw s.ENOENT(e);var o=M.clone(this._readable.statSync(e,i));return o.mode=jn(o.mode),o}},t.prototype.open=function(e,i,o,a){var u=this;!this.checkInitAsync(a)||this.checkPathAsync(e,a)||this.stat(e,!1,function(p,d){if(d)switch(i.pathExistsAction()){case T.TRUNCATE_FILE:return u.createParentDirectoriesAsync(e,function(F){if(F)return a(F);u._writable.open(e,i,o,a)});case T.NOP:return u._writable.exists(e,function(F){F?u._writable.open(e,i,o,a):(d=M.clone(d),d.mode=o,u._readable.readFile(e,null,ye("r"),function(D,W){if(D)return a(D);d.size===-1&&(d.size=W.length);var tt=new zn(u,e,i,d,W);a(null,tt)}))});default:return a(s.EEXIST(e))}else switch(i.pathNotExistsAction()){case T.CREATE_FILE:return u.createParentDirectoriesAsync(e,function(F){return F?a(F):u._writable.open(e,i,o,a)});default:return a(s.ENOENT(e))}})},t.prototype.openSync=function(e,i,o){if(this.checkInitialized(),this.checkPath(e),e===Oe)throw s.EPERM("Cannot open deletion log.");if(this.existsSync(e))switch(i.pathExistsAction()){case T.TRUNCATE_FILE:return this.createParentDirectories(e),this._writable.openSync(e,i,o);case T.NOP:if(this._writable.existsSync(e))return this._writable.openSync(e,i,o);var a=this._readable.readFileSync(e,null,ye("r")),u=M.clone(this._readable.statSync(e,!1));return u.mode=o,new zn(this,e,i,u,a);default:throw s.EEXIST(e)}else switch(i.pathNotExistsAction()){case T.CREATE_FILE:return this.createParentDirectories(e),this._writable.openSync(e,i,o);default:throw s.ENOENT(e)}},t.prototype.unlink=function(e,i){var o=this;!this.checkInitAsync(i)||this.checkPathAsync(e,i)||this.exists(e,function(a){if(!a)return i(s.ENOENT(e));o._writable.exists(e,function(u){if(u)return o._writable.unlink(e,function(p){if(p)return i(p);o.exists(e,function(d){d&&o.deletePath(e),i(null)})});o.deletePath(e),i(null)})})},t.prototype.unlinkSync=function(e){if(this.checkInitialized(),this.checkPath(e),this.existsSync(e))this._writable.existsSync(e)&&this._writable.unlinkSync(e),this.existsSync(e)&&this.deletePath(e);else throw s.ENOENT(e)},t.prototype.rmdir=function(e,i){var o=this;if(this.checkInitAsync(i)){var a=function(){o.readdir(e,function(u,p){if(u)return i(u);if(p.length)return i(s.ENOTEMPTY(e));o.deletePath(e),i(null)})};this.exists(e,function(u){if(!u)return i(s.ENOENT(e));o._writable.exists(e,function(p){p?o._writable.rmdir(e,function(d){if(d)return i(d);o._readable.exists(e,function(F){F?a():i()})}):a()})})}},t.prototype.rmdirSync=function(e){if(this.checkInitialized(),this.existsSync(e)){if(this._writable.existsSync(e)&&this._writable.rmdirSync(e),this.existsSync(e)){if(this.readdirSync(e).length>0)throw s.ENOTEMPTY(e);this.deletePath(e)}}else throw s.ENOENT(e)},t.prototype.mkdir=function(e,i,o){var a=this;this.checkInitAsync(o)&&this.exists(e,function(u){if(u)return o(s.EEXIST(e));a.createParentDirectoriesAsync(e,function(p){if(p)return o(p);a._writable.mkdir(e,i,o)})})},t.prototype.mkdirSync=function(e,i){if(this.checkInitialized(),this.existsSync(e))throw s.EEXIST(e);this.createParentDirectories(e),this._writable.mkdirSync(e,i)},t.prototype.readdir=function(e,i){var o=this;this.checkInitAsync(i)&&this.stat(e,!1,function(a,u){if(a)return i(a);if(!u.isDirectory())return i(s.ENOTDIR(e));o._writable.readdir(e,function(p,d){if(p&&p.code!=="ENOENT")return i(p);(p||!d)&&(d=[]),o._readable.readdir(e,function(F,D){(F||!D)&&(D=[]);var W={},tt=d.concat(D.filter(function(nt){return!o._deletedFiles[e+"/"+nt]})).filter(function(nt){var ft=!W[nt];return W[nt]=!0,ft});i(null,tt)})})})},t.prototype.readdirSync=function(e){var i=this;this.checkInitialized();var o=this.statSync(e,!1);if(!o.isDirectory())throw s.ENOTDIR(e);var a=[];try{a=a.concat(this._writable.readdirSync(e))}catch{}try{a=a.concat(this._readable.readdirSync(e).filter(function(p){return!i._deletedFiles[e+"/"+p]}))}catch{}var u={};return a.filter(function(p){var d=!u[p];return u[p]=!0,d})},t.prototype.exists=function(e,i){var o=this;this.checkInitialized(),this._writable.exists(e,function(a){if(a)return i(!0);o._readable.exists(e,function(u){i(u&&o._deletedFiles[e]!==!0)})})},t.prototype.existsSync=function(e){return this.checkInitialized(),this._writable.existsSync(e)||this._readable.existsSync(e)&&this._deletedFiles[e]!==!0},t.prototype.chmod=function(e,i,o,a){var u=this;this.checkInitAsync(a)&&this.operateOnWritableAsync(e,function(p){if(p)return a(p);u._writable.chmod(e,i,o,a)})},t.prototype.chmodSync=function(e,i,o){var a=this;this.checkInitialized(),this.operateOnWritable(e,function(){a._writable.chmodSync(e,i,o)})},t.prototype.chown=function(e,i,o,a,u){var p=this;this.checkInitAsync(u)&&this.operateOnWritableAsync(e,function(d){if(d)return u(d);p._writable.chown(e,i,o,a,u)})},t.prototype.chownSync=function(e,i,o,a){var u=this;this.checkInitialized(),this.operateOnWritable(e,function(){u._writable.chownSync(e,i,o,a)})},t.prototype.utimes=function(e,i,o,a){var u=this;this.checkInitAsync(a)&&this.operateOnWritableAsync(e,function(p){if(p)return a(p);u._writable.utimes(e,i,o,a)})},t.prototype.utimesSync=function(e,i,o){var a=this;this.checkInitialized(),this.operateOnWritable(e,function(){a._writable.utimesSync(e,i,o)})},t.prototype.deletePath=function(e){this._deletedFiles[e]=!0,this.updateLog("d"+e+`
`)},t.prototype.updateLog=function(e){var i=this;this._deleteLog+=e,this._deleteLogUpdatePending?this._deleteLogUpdateNeeded=!0:(this._deleteLogUpdatePending=!0,this._writable.writeFile(Oe,this._deleteLog,"utf8",N.getFileFlag("w"),420,function(o){i._deleteLogUpdatePending=!1,o?i._deleteLogError=o:i._deleteLogUpdateNeeded&&(i._deleteLogUpdateNeeded=!1,i.updateLog(""))}))},t.prototype._reparseDeletionLog=function(){var e=this;this._deletedFiles={},this._deleteLog.split(`
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Please initialize OverlayFS using its initialize() method before using it.")),!1;return!0},t.prototype.checkPath=function(e){if(e===Oe)throw s.EPERM(e)},t.prototype.checkPathAsync=function(e,i){return e===Oe?(i(s.EPERM(e)),!0):!1},t.prototype.createParentDirectoriesAsync=function(e,i){var o=h.dirname(e),a=[],u=this;this._writable.stat(o,!1,p);function p(F,D){F?(a.push(o),o=h.dirname(o),u._writable.stat(o,!1,p)):d()}function d(){if(!a.length)return i();var F=a.pop();u._readable.stat(F,!1,function(D,W){if(!W)return i();u._writable.mkdir(F,W.mode,function(tt){if(tt)return i(tt);d()})})}},t.prototype.createParentDirectories=function(e){for(var i=this,o=h.dirname(e),a=[];!this._writable.existsSync(o);)a.push(o),o=h.dirname(o);a=a.reverse(),a.forEach(function(u){i._writable.mkdirSync(u,i.statSync(u,!1).mode)})},t.prototype.operateOnWritable=function(e,i){if(this.existsSync(e))this._writable.existsSync(e)||this.copyToWritable(e),i();else throw s.ENOENT(e)},t.prototype.operateOnWritableAsync=function(e,i){var o=this;this.exists(e,function(a){if(!a)return i(s.ENOENT(e));o._writable.exists(e,function(u){if(u)i();else return o.copyToWritableAsync(e,i)})})},t.prototype.copyToWritable=function(e){var i=this.statSync(e,!1);i.isDirectory()?this._writable.mkdirSync(e,i.mode):this.writeFileSync(e,this._readable.readFileSync(e,null,ye("r")),null,ye("w"),this.statSync(e,!1).mode)},t.prototype.copyToWritableAsync=function(e,i){var o=this;this.stat(e,!1,function(a,u){if(a)return i(a);if(u.isDirectory())return o._writable.mkdir(e,u.mode,i);o._readable.readFile(e,null,ye("r"),function(p,d){if(p)return i(p);o.writeFile(e,d,null,ye("w"),u.mode,i)})})},t}(ut),yr=function(n){function t(r,e){n.call(this,new Wn(r,e))}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.Create=function(e,i){try{var o=new 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Va=_(35).inflateRaw,ni={},ii;(function(n){n[n.MSDOS=0]="MSDOS",n[n.AMIGA=1]="AMIGA",n[n.OPENVMS=2]="OPENVMS",n[n.UNIX=3]="UNIX",n[n.VM_CMS=4]="VM_CMS",n[n.ATARI_ST=5]="ATARI_ST",n[n.OS2_HPFS=6]="OS2_HPFS",n[n.MAC=7]="MAC",n[n.Z_SYSTEM=8]="Z_SYSTEM",n[n.CP_M=9]="CP_M",n[n.NTFS=10]="NTFS",n[n.MVS=11]="MVS",n[n.VSE=12]="VSE",n[n.ACORN_RISC=13]="ACORN_RISC",n[n.VFAT=14]="VFAT",n[n.ALT_MVS=15]="ALT_MVS",n[n.BEOS=16]="BEOS",n[n.TANDEM=17]="TANDEM",n[n.OS_400=18]="OS_400",n[n.OSX=19]="OSX"})(ii||(ii={}));var nr;(function(n){n[n.STORED=0]="STORED",n[n.SHRUNK=1]="SHRUNK",n[n.REDUCED_1=2]="REDUCED_1",n[n.REDUCED_2=3]="REDUCED_2",n[n.REDUCED_3=4]="REDUCED_3",n[n.REDUCED_4=5]="REDUCED_4",n[n.IMPLODE=6]="IMPLODE",n[n.DEFLATE=8]="DEFLATE",n[n.DEFLATE64=9]="DEFLATE64",n[n.TERSE_OLD=10]="TERSE_OLD",n[n.BZIP2=12]="BZIP2",n[n.LZMA=14]="LZMA",n[n.TERSE_NEW=18]="TERSE_NEW",n[n.LZ77=19]="LZ77",n[n.WAVPACK=97]="WAVPACK",n[n.PPMD=98]="PPMD"})(nr||(nr={}));function oi(n,t){var r=t&31,e=(t>>5&15)-1,i=(t>>9)+1980,o=n&31,a=n>>5&63,u=n>>11;return new Date(i,e,r,u,a,o)}function Dr(n,t,r,e){return e===0?"":t?n.toString("utf8",r,r+e):We.byte2str(n.slice(r,r+e))}var ve=function(t){if(this.data=t,t.readUInt32LE(0)!==67324752)throw new s(f.EINVAL,"Invalid Zip file: Local file header has invalid signature: "+this.data.readUInt32LE(0))};ve.prototype.versionNeeded=function(){return this.data.readUInt16LE(4)},ve.prototype.flags=function(){return this.data.readUInt16LE(6)},ve.prototype.compressionMethod=function(){return this.data.readUInt16LE(8)},ve.prototype.lastModFileTime=function(){return oi(this.data.readUInt16LE(10),this.data.readUInt16LE(12))},ve.prototype.rawLastModFileTime=function(){return this.data.readUInt32LE(10)},ve.prototype.crc32=function(){return this.data.readUInt32LE(14)},ve.prototype.fileNameLength=function(){return this.data.readUInt16LE(26)},ve.prototype.extraFieldLength=function(){return this.data.readUInt16LE(28)},ve.prototype.fileName=function(){return Dr(this.data,this.useUTF8(),30,this.fileNameLength())},ve.prototype.extraField=function(){var t=30+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},ve.prototype.totalSize=function(){return 30+this.fileNameLength()+this.extraFieldLength()},ve.prototype.useUTF8=function(){return(this.flags()&2048)===2048};var gr=function(t,r,e){this.header=t,this.record=r,this.data=e};gr.prototype.decompress=function(){var t=this.header.compressionMethod(),r=ni[t];if(r)return r(this.data,this.record.compressedSize(),this.record.uncompressedSize(),this.record.flag());var e=nr[t];throw e||(e="Unknown: "+t),new s(f.EINVAL,"Invalid compression method on file '"+this.header.fileName()+"': "+e)},gr.prototype.getHeader=function(){return this.header},gr.prototype.getRecord=function(){return this.record},gr.prototype.getRawData=function(){return this.data};var Kr=function(t){this.data=t};Kr.prototype.crc32=function(){return this.data.readUInt32LE(0)},Kr.prototype.compressedSize=function(){return this.data.readUInt32LE(4)},Kr.prototype.uncompressedSize=function(){return this.data.readUInt32LE(8)};var ai=function(t){if(this.data=t,this.data.readUInt32LE(0)!==134630224)throw new s(f.EINVAL,"Invalid archive extra data record signature: "+this.data.readUInt32LE(0))};ai.prototype.length=function(){return this.data.readUInt32LE(4)},ai.prototype.extraFieldData=function(){return this.data.slice(8,8+this.length())};var si=function(t){if(this.data=t,this.data.readUInt32LE(0)!==84233040)throw new s(f.EINVAL,"Invalid digital signature signature: "+this.data.readUInt32LE(0))};si.prototype.size=function(){return this.data.readUInt16LE(4)},si.prototype.signatureData=function(){return this.data.slice(6,6+this.size())};var Nt=function(t,r){if(this.zipData=t,this.data=r,this.data.readUInt32LE(0)!==33639248)throw new s(f.EINVAL,"Invalid Zip file: Central directory record has invalid signature: "+this.data.readUInt32LE(0));this._filename=this.produceFilename()};Nt.prototype.versionMadeBy=function(){return this.data.readUInt16LE(4)},Nt.prototype.versionNeeded=function(){return this.data.readUInt16LE(6)},Nt.prototype.flag=function(){return this.data.readUInt16LE(8)},Nt.prototype.compressionMethod=function(){return this.data.readUInt16LE(10)},Nt.prototype.lastModFileTime=function(){return oi(this.data.readUInt16LE(12),this.data.readUInt16LE(14))},Nt.prototype.rawLastModFileTime=function(){return this.data.readUInt32LE(12)},Nt.prototype.crc32=function(){return this.data.readUInt32LE(16)},Nt.prototype.compressedSize=function(){return this.data.readUInt32LE(20)},Nt.prototype.uncompressedSize=function(){return this.data.readUInt32LE(24)},Nt.prototype.fileNameLength=function(){return this.data.readUInt16LE(28)},Nt.prototype.extraFieldLength=function(){return this.data.readUInt16LE(30)},Nt.prototype.fileCommentLength=function(){return this.data.readUInt16LE(32)},Nt.prototype.diskNumberStart=function(){return this.data.readUInt16LE(34)},Nt.prototype.internalAttributes=function(){return this.data.readUInt16LE(36)},Nt.prototype.externalAttributes=function(){return this.data.readUInt32LE(38)},Nt.prototype.headerRelativeOffset=function(){return this.data.readUInt32LE(42)},Nt.prototype.produceFilename=function(){var t=Dr(this.data,this.useUTF8(),46,this.fileNameLength());return t.replace(/\\/g,"/")},Nt.prototype.fileName=function(){return this._filename},Nt.prototype.rawFileName=function(){return this.data.slice(46,46+this.fileNameLength())},Nt.prototype.extraField=function(){var t=44+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},Nt.prototype.fileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return Dr(this.data,this.useUTF8(),t,this.fileCommentLength())},Nt.prototype.rawFileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return this.data.slice(t,t+this.fileCommentLength())},Nt.prototype.totalSize=function(){return 46+this.fileNameLength()+this.extraFieldLength()+this.fileCommentLength()},Nt.prototype.isDirectory=function(){var t=this.fileName();return!!(this.externalAttributes()&16)||t.charAt(t.length-1)==="/"},Nt.prototype.isFile=function(){return!this.isDirectory()},Nt.prototype.useUTF8=function(){return(this.flag()&2048)===2048},Nt.prototype.isEncrypted=function(){return(this.flag()&1)===1},Nt.prototype.getFileData=function(){var t=this.headerRelativeOffset(),r=new ve(this.zipData.slice(t));return new gr(r,this,this.zipData.slice(t+r.totalSize()))},Nt.prototype.getData=function(){return this.getFileData().decompress()},Nt.prototype.getRawData=function(){return this.getFileData().getRawData()},Nt.prototype.getStats=function(){return new M(R.FILE,this.uncompressedSize(),365,new Date,this.lastModFileTime())};var _e=function(t){if(this.data=t,this.data.readUInt32LE(0)!==101010256)throw new s(f.EINVAL,"Invalid Zip file: End of central directory record has invalid signature: "+this.data.readUInt32LE(0))};_e.prototype.diskNumber=function(){return this.data.readUInt16LE(4)},_e.prototype.cdDiskNumber=function(){return this.data.readUInt16LE(6)},_e.prototype.cdDiskEntryCount=function(){return this.data.readUInt16LE(8)},_e.prototype.cdTotalEntryCount=function(){return this.data.readUInt16LE(10)},_e.prototype.cdSize=function(){return this.data.readUInt32LE(12)},_e.prototype.cdOffset=function(){return this.data.readUInt32LE(16)},_e.prototype.cdZipCommentLength=function(){return this.data.readUInt16LE(20)},_e.prototype.cdZipComment=function(){return Dr(this.data,!0,22,this.cdZipCommentLength())},_e.prototype.rawCdZipComment=function(){return this.data.slice(22,22+this.cdZipCommentLength())};var Za=function(t,r,e,i){this.index=t,this.directoryEntries=r,this.eocd=e,this.data=i},He=function(n){function t(r,e){e===void 0&&(e=""),n.call(this),this.name=e,this._index=new ge,this._directoryEntries=[],this._eocd=null,this._index=r.index,this._directoryEntries=r.directoryEntries,this._eocd=r.eocd,this.data=r.data}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.Create=function(e,i){try{t._computeIndex(e.zipData,function(o,a){if(a){var u=new t(a,e.name);i(null,u)}else i(o)})}catch(o){i(o)}},t.isAvailable=function(){return!0},t.RegisterDecompressionMethod=function(e,i){ni[e]=i},t._getEOCD=function(e){for(var i=22,o=Math.min(i+65535,e.length-1),a=i;a<o;a++)if(e.readUInt32LE(e.length-a)===101010256)return new _e(e.slice(e.length-a));throw new s(f.EINVAL,"Invalid ZIP file: Could not locate End of Central Directory signature.")},t._addToIndex=function(e,i){var o=e.fileName();if(o.charAt(0)==="/")throw new s(f.EPERM,"Unexpectedly encountered an absolute path in a zip file. Please file a bug.");o.charAt(o.length-1)==="/"&&(o=o.substr(0,o.length-1)),e.isDirectory()?i.addPathFast("/"+o,new le(e)):i.addPathFast("/"+o,new rr(e))},t._computeIndex=function(e,i){try{var o=new ge,a=t._getEOCD(e);if(a.diskNumber()!==a.cdDiskNumber())return i(new s(f.EINVAL,"ZipFS does not support spanned zip files."));var u=a.cdOffset();if(u===4294967295)return i(new s(f.EINVAL,"ZipFS does not support Zip64."));var p=u+a.cdSize();t._computeIndexResponsive(e,o,u,p,i,[],a)}catch(d){i(d)}},t._computeIndexResponsiveTrampoline=function(e,i,o,a,u,p,d){try{t._computeIndexResponsive(e,i,o,a,u,p,d)}catch(F){u(F)}},t._computeIndexResponsive=function(e,i,o,a,u,p,d){if(o<a){for(var F=0;F++<200&&o<a;){var D=new Nt(e,e.slice(o));t._addToIndex(D,i),o+=D.totalSize(),p.push(D)}Ut(function(){t._computeIndexResponsiveTrampoline(e,i,o,a,u,p,d)})}else u(null,new Za(i,p,d,e))},t.prototype.getName=function(){return t.Name+(this.name!==""?" "+this.name:"")},t.prototype.getCentralDirectoryEntry=function(e){var i=this._index.getInode(e);if(i===null)throw s.ENOENT(e);if(Re(i))return i.getData();if(Me(i))return i.getData();throw s.EPERM("Invalid inode: "+i)},t.prototype.getCentralDirectoryEntryAt=function(e){var i=this._directoryEntries[e];if(!i)throw new RangeError("Invalid directory index: "+e+".");return i},t.prototype.getNumberOfCentralDirectoryEntries=function(){return this._directoryEntries.length},t.prototype.getEndOfCentralDirectory=function(){return this._eocd},t.prototype.diskSpace=function(e,i){i(this.data.length,0)},t.prototype.isReadOnly=function(){return!0},t.prototype.supportsLinks=function(){return!1},t.prototype.supportsProps=function(){return!1},t.prototype.supportsSynch=function(){return!0},t.prototype.statSync=function(e,i){var o=this._index.getInode(e);if(o===null)throw s.ENOENT(e);var a;if(Re(o))a=o.getData().getStats();else if(Me(o))a=o.getStats();else throw new s(f.EINVAL,"Invalid inode.");return a},t.prototype.openSync=function(e,i,o){if(i.isWriteable())throw new s(f.EPERM,e);var a=this._index.getInode(e);if(a)if(Re(a)){var u=a.getData(),p=u.getStats();switch(i.pathExistsAction()){case T.THROW_EXCEPTION:case T.TRUNCATE_FILE:throw s.EEXIST(e);case T.NOP:return new et(this,e,i,p,u.getData());default:throw new s(f.EINVAL,"Invalid FileMode object.")}}else throw s.EISDIR(e);else throw s.ENOENT(e)},t.prototype.readdirSync=function(e){var i=this._index.getInode(e);if(i){if(Me(i))return i.getListing();throw s.ENOTDIR(e)}else throw s.ENOENT(e)},t.prototype.readFileSync=function(e,i,o){var a=this.openSync(e,o,420);try{var u=a,p=u.getBuffer();return i===null?B(p):p.toString(i)}finally{a.closeSync()}},t}(x);He.Name="ZipFS",He.Options={zipData:{type:"object",description:"The zip file as a Buffer object.",validator:wt},name:{type:"string",optional:!0,description:"The name of the zip file (optional)."}},He.CompressionMethod=nr,He.RegisterDecompressionMethod(nr.DEFLATE,function(n,t,r){return oe(Va(n.slice(0,t),{chunkSize:r}))}),He.RegisterDecompressionMethod(nr.STORED,function(n,t,r){return B(n,0,r)});var Ya="IEEE_P1282";function he(n,t,r){return n.toString("ascii",t,t+r).trim()}function Qr(n,t,r){if(r===1)return String.fromCharCode(n[t]);for(var e=Math.floor(r/2),i=new Array(e),o=0;o<e;o++){var a=t+(o<<1);i[o]=String.fromCharCode(n[a+1]|n[a]<<8)}return i.join("")}function Se(n,t){var r=parseInt(he(n,t,4),10),e=parseInt(he(n,t+4,2),10),i=parseInt(he(n,t+6,2),10),o=parseInt(he(n,t+8,2),10),a=parseInt(he(n,t+10,2),10),u=parseInt(he(n,t+12,2),10),p=parseInt(he(n,t+14,2),10);return new Date(r,e,i,o,a,u,p*100)}function Ve(n,t){var r=n[t],e=n[t+1],i=n[t+2],o=n[t+3],a=n[t+4],u=n[t+5];return new Date(r,e-1,i,o,a,u)}function qa(n,t){var r=n.slice(t),e=new Jt(r);switch(e.signatureWord()){case 17221:return new hi(r);case 20548:return new Ja(r);case 21328:return new pi(r);case 21332:return new di(r);case 17746:return new yi(r);case 17747:return new Ka(r);case 20568:return new gi(r);case 20558:return new Qa(r);case 21324:return new $r(r);case 20045:return new wi(r);case 17228:return new tn(r);case 20556:return new $a(r);case 21061:return new mi(r);case 21574:return new _i(r);case 21318:return new ts(r);case 21074:return new vi(r);default:return e}}function ui(n,t,r,e){r=r-4;for(var i=new Array;t<r;){var o=qa(n,t),a=o.length();if(a===0)return i;if(t+=a,o instanceof di)break;o instanceof hi?i=i.concat(o.getEntries(e)):i.push(o)}return i}var ir=function(t){this._data=t};ir.prototype.type=function(){return this._data[0]},ir.prototype.standardIdentifier=function(){return he(this._data,1,5)},ir.prototype.version=function(){return this._data[6]},ir.prototype.data=function(){return this._data.slice(7,2048)};var fi=function(n){function t(r){n.call(this,r),this._root=null}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.prototype.systemIdentifier=function(){return this._getString32(8)},t.prototype.volumeIdentifier=function(){return this._getString32(40)},t.prototype.volumeSpaceSize=function(){return this._data.readUInt32LE(80)},t.prototype.volumeSetSize=function(){return this._data.readUInt16LE(120)},t.prototype.volumeSequenceNumber=function(){return this._data.readUInt16LE(124)},t.prototype.logicalBlockSize=function(){return this._data.readUInt16LE(128)},t.prototype.pathTableSize=function(){return this._data.readUInt32LE(132)},t.prototype.locationOfTypeLPathTable=function(){return this._data.readUInt32LE(140)},t.prototype.locationOfOptionalTypeLPathTable=function(){return this._data.readUInt32LE(144)},t.prototype.locationOfTypeMPathTable=function(){return this._data.readUInt32BE(148)},t.prototype.locationOfOptionalTypeMPathTable=function(){return this._data.readUInt32BE(152)},t.prototype.rootDirectoryEntry=function(e){return this._root===null&&(this._root=this._constructRootDirectoryRecord(this._data.slice(156)),this._root.rootCheckForRockRidge(e)),this._root},t.prototype.volumeSetIdentifier=function(){return this._getString(190,128)},t.prototype.publisherIdentifier=function(){return this._getString(318,128)},t.prototype.dataPreparerIdentifier=function(){return this._getString(446,128)},t.prototype.applicationIdentifier=function(){return this._getString(574,128)},t.prototype.copyrightFileIdentifier=function(){return this._getString(702,38)},t.prototype.abstractFileIdentifier=function(){return this._getString(740,36)},t.prototype.bibliographicFileIdentifier=function(){return this._getString(776,37)},t.prototype.volumeCreationDate=function(){return Se(this._data,813)},t.prototype.volumeModificationDate=function(){return Se(this._data,830)},t.prototype.volumeExpirationDate=function(){return Se(this._data,847)},t.prototype.volumeEffectiveDate=function(){return Se(this._data,864)},t.prototype.fileStructureVersion=function(){return this._data[881]},t.prototype.applicationUsed=function(){return this._data.slice(883,883+512)},t.prototype.reserved=function(){return this._data.slice(1395,1395+653)},t.prototype._getString32=function(e){return this._getString(e,32)},t}(ir),Xa=function(n){function t(r){if(n.call(this,r),this.type()!==1)throw new s(f.EIO,"Invalid primary volume descriptor.")}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.prototype.name=function(){return"ISO9660"},t.prototype._constructRootDirectoryRecord=function(e){return new ci(e,-1)},t.prototype._getString=function(e,i){return this._getString(e,i)},t}(fi),Ga=function(n){function t(r){if(n.call(this,r),this.type()!==2)throw new s(f.EIO,"Invalid supplementary volume descriptor.");var e=this.escapeSequence(),i=e[2];if(e[0]!==37||e[1]!==47||i!==64&&i!==67&&i!==69)throw new s(f.EIO,"Unrecognized escape sequence for SupplementaryVolumeDescriptor: "+e.toString())}return n&&(t.__proto__=n),t.prototype=Object.create(n&&n.prototype),t.prototype.constructor=t,t.prototype.name=function(){return"Joliet"},t.prototype.escapeSequence=function(){return this._data.slice(88,120)},t.prototype._constructRootDirectoryRecord=function(e){return new li(e,-1)},t.prototype._getString=function(e,i){return Qr(this._data,e,i)},t}(fi),Wt=function(t,r){this._suEntries=null,this._fileOrDir=null,this._data=t,this._rockRidgeOffset=r};Wt.prototype.hasRockRidge=function(){return this._rockRidgeOffset>-1},Wt.prototype.getRockRidgeOffset=function(){return this._rockRidgeOffset},Wt.prototype.rootCheckForRockRidge=function(t){var r=this.getDirectory(t);this._rockRidgeOffset=r.getDotEntry(t)._getRockRidgeOffset(t),this._rockRidgeOffset>-1&&(this._fileOrDir=null)},Wt.prototype.length=function(){return this._data[0]},Wt.prototype.extendedAttributeRecordLength=function(){return this._data[1]},Wt.prototype.lba=function(){return this._data.readUInt32LE(2)*2048},Wt.prototype.dataLength=function(){return this._data.readUInt32LE(10)},Wt.prototype.recordingDate=function(){return Ve(this._data,18)},Wt.prototype.fileFlags=function(){return this._data[25]},Wt.prototype.fileUnitSize=function(){return this._data[26]},Wt.prototype.interleaveGapSize=function(){return this._data[27]},Wt.prototype.volumeSequenceNumber=function(){return this._data.readUInt16LE(28)},Wt.prototype.identifier=function(){return this._getString(33,this._data[32])},Wt.prototype.fileName=function(t){if(this.hasRockRidge()){var r=this._rockRidgeFilename(t);if(r!==null)return r}var e=this.identifier();if(this.isDirectory(t))return e;var i=e.indexOf(";");return i===-1?e:e[i-1]==="."?e.slice(0,i-1):e.slice(0,i)},Wt.prototype.isDirectory=function(t){var r=!!(this.fileFlags()&2);return!r&&this.hasRockRidge()&&(r=this.getSUEntries(t).filter(function(e){return e instanceof tn}).length>0),r},Wt.prototype.isSymlink=function(t){return this.hasRockRidge()&&this.getSUEntries(t).filter(function(r){return r instanceof $r}).length>0},Wt.prototype.getSymlinkPath=function(t){for(var r="",e=this.getSUEntries(t),i=this._getGetString(),o=0,a=e;o<a.length;o+=1){var u=a[o];if(u instanceof $r){for(var p=u.componentRecords(),d=0,F=p;d<F.length;d+=1){var D=F[d],W=D.flags();W&2?r+="./":W&4?r+="../":W&8?r+="/":(r+=D.content(i),W&1||(r+="/"))}if(!u.continueFlag())break}}return r.length>1&&r[r.length-1]==="/"?r.slice(0,r.length-1):r},Wt.prototype.getFile=function(t){if(this.isDirectory(t))throw new Error("Tried to get a File from a directory.");return this._fileOrDir===null&&(this._fileOrDir=t.slice(this.lba(),this.lba()+this.dataLength())),this._fileOrDir},Wt.prototype.getDirectory=function(t){if(!this.isDirectory(t))throw new Error("Tried to get a Directory from a file.");return this._fileOrDir===null&&(this._fileOrDir=this._constructDirectory(t)),this._fileOrDir},Wt.prototype.getSUEntries=function(t){return 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ot:if(at>=6&&Xt>=258){z.next_out=se,z.avail_out=Xt,z.next_in=it,z.avail_in=at,y.hold=Z,y.bits=V,I(z,Bt),se=z.next_out,At=z.output,Xt=z.avail_out,it=z.next_in,st=z.input,at=z.avail_in,Z=y.hold,V=y.bits,y.mode===Rt&&(y.back=-1);break}for(y.back=0;Gt=y.lencode[Z&(1<<y.lenbits)-1],Dt=Gt>>>24,ee=Gt>>>16&255,ae=Gt&65535,!(Dt<=V);){if(at===0)break t;at--,Z+=st[it++]<<V,V+=8}if(ee&&!(ee&240)){for(ie=Dt,Qe=ee,Ae=ae;Gt=y.lencode[Ae+((Z&(1<<ie+Qe)-1)>>ie)],Dt=Gt>>>24,ee=Gt>>>16&255,ae=Gt&65535,!(ie+Dt<=V);){if(at===0)break t;at--,Z+=st[it++]<<V,V+=8}Z>>>=ie,V-=ie,y.back+=ie}if(Z>>>=Dt,V-=Dt,y.back+=Dt,y.length=ae,ee===0){y.mode=Ct;break}if(ee&32){y.back=-1,y.mode=Rt;break}if(ee&64){z.msg="invalid literal/length code",y.mode=m;break}y.extra=ee&15,y.mode=wt;case wt:if(y.extra){for(pe=y.extra;V<pe;){if(at===0)break t;at--,Z+=st[it++]<<V,V+=8}y.length+=Z&(1<<y.extra)-1,Z>>>=y.extra,V-=y.extra,y.back+=y.extra}y.was=y.length,y.mode=_t;case 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At[se++]=De[Ke++];while(--lt);y.length===0&&(y.mode=ot);break;case Ct:if(Xt===0)break t;At[se++]=y.length,Xt--,y.mode=ot;break;case Mt:if(y.wrap){for(;V<32;){if(at===0)break t;at--,Z|=st[it++]<<V,V+=8}if(Bt-=Xt,z.total_out+=Bt,y.total+=Bt,Bt&&(z.adler=y.check=y.flags?U(y.check,At,Bt,se-Bt):L(y.check,At,Bt,se-Bt)),Bt=Xt,(y.flags?Z:C(Z))!==y.check){z.msg="incorrect data check",y.mode=m;break}Z=0,V=0}y.mode=ut;case ut:if(y.wrap&&y.flags){for(;V<32;){if(at===0)break t;at--,Z+=st[it++]<<V,V+=8}if(Z!==(y.total&4294967295)){z.msg="incorrect length check",y.mode=m;break}Z=0,V=0}y.mode=x;case x:ue=R;break t;case m:ue=Q;break t;case X:return H;case et:default:return j}return z.next_out=se,z.avail_out=Xt,z.next_in=it,z.avail_in=at,y.hold=Z,y.bits=V,(y.wsize||Bt!==z.avail_out&&y.mode<m&&(y.mode<Mt||K!==s))&&Ie(z,z.output,z.next_out,Bt-z.avail_out)?(y.mode=X,H):(Ue-=z.avail_in,Bt-=z.avail_out,z.total_in+=Ue,z.total_out+=Bt,y.total+=Bt,y.wrap&&Bt&&(z.adler=y.check=y.flags?U(y.check,At,Bt,z.next_out-Bt):L(y.check,At,Bt,z.next_out-Bt)),z.data_type=y.bits+(y.last?64:0)+(y.mode===Rt?128:0)+(y.mode===G||y.mode===jt?256:0),(Ue===0&&Bt===0||K===s)&&ue===N&&(ue=rt),ue)}function xr(z){if(!z||!z.state)return j;var K=z.state;return K.window&&(K.window=null),z.state=null,N}function Je(z,K){var y;return!z||!z.state||(y=z.state,!(y.wrap&2))?j:(y.head=K,K.done=!1,N)}function Fr(z,K){var y=K.length,st,At,it;return!z||!z.state||(st=z.state,st.wrap!==0&&st.mode!==pt)?j:st.mode===pt&&(At=1,At=L(At,K,y,0),At!==st.check)?Q:(it=Ie(z,K,y,y),it?(st.mode=X,H):(st.havedict=1,N))}w.inflateReset=St,w.inflateReset2=kt,w.inflateResetKeep=J,w.inflateInit=Ut,w.inflateInit2=Ot,w.inflate=Ge,w.inflateEnd=xr,w.inflateGetHeader=Je,w.inflateSetDictionary=Fr,w.inflateInfo="pako inflate (from Nodeca project)"},function(O,w,_){"use strict";function S(L,U,I,b){for(var h=L&65535|0,f=L>>>16&65535|0,g=0;I!==0;){g=I>2e3?2e3:I,I-=g;do h=h+U[b++]|0,f=f+h|0;while(--g);h%=65521,f%=65521}return h|f<<16|0}O.exports=S},function(O,w,_){"use strict";function S(){for(var I,b=[],h=0;h<256;h++){I=h;for(var f=0;f<8;f++)I=I&1?3988292384^I>>>1:I>>>1;b[h]=I}return b}var L=S();function U(I,b,h,f){var g=L,s=f+h;I^=-1;for(var k=f;k<s;k++)I=I>>>8^g[(I^b[k])&255];return I^-1}O.exports=U},function(O,w,_){"use strict";var S=30,L=12;O.exports=function(I,b){var h,f,g,s,k,T,N,R,M,j,Q,H,rt,q,mt,ct,P,ht,$,gt,It,vt,Tt,Lt,pt;h=I.state,f=I.next_in,Lt=I.input,g=f+(I.avail_in-5),s=I.next_out,pt=I.output,k=s-(b-I.avail_out),T=s+(I.avail_out-257),N=h.dmax,R=h.wsize,M=h.whave,j=h.wnext,Q=h.window,H=h.hold,rt=h.bits,q=h.lencode,mt=h.distcode,ct=(1<<h.lenbits)-1,P=(1<<h.distbits)-1;t:do{rt<15&&(H+=Lt[f++]<<rt,rt+=8,H+=Lt[f++]<<rt,rt+=8),ht=q[H&ct];e:for(;;){if($=ht>>>24,H>>>=$,rt-=$,$=ht>>>16&255,$===0)pt[s++]=ht&65535;else if($&16){gt=ht&65535,$&=15,$&&(rt<$&&(H+=Lt[f++]<<rt,rt+=8),gt+=H&(1<<$)-1,H>>>=$,rt-=$),rt<15&&(H+=Lt[f++]<<rt,rt+=8,H+=Lt[f++]<<rt,rt+=8),ht=mt[H&P];r:for(;;){if($=ht>>>24,H>>>=$,rt-=$,$=ht>>>16&255,$&16){if(It=ht&65535,$&=15,rt<$&&(H+=Lt[f++]<<rt,rt+=8,rt<$&&(H+=Lt[f++]<<rt,rt+=8)),It+=H&(1<<$)-1,It>N){I.msg="invalid distance too far back",h.mode=S;break t}if(H>>>=$,rt-=$,$=s-k,It>$){if($=It-$,$>M&&h.sane){I.msg="invalid distance too far back",h.mode=S;break t}if(vt=0,Tt=Q,j===0){if(vt+=R-$,$<gt){gt-=$;do pt[s++]=Q[vt++];while(--$);vt=s-It,Tt=pt}}else if(j<$){if(vt+=R+j-$,$-=j,$<gt){gt-=$;do pt[s++]=Q[vt++];while(--$);if(vt=0,j<gt){$=j,gt-=$;do pt[s++]=Q[vt++];while(--$);vt=s-It,Tt=pt}}}else if(vt+=j-$,$<gt){gt-=$;do pt[s++]=Q[vt++];while(--$);vt=s-It,Tt=pt}for(;gt>2;)pt[s++]=Tt[vt++],pt[s++]=Tt[vt++],pt[s++]=Tt[vt++],gt-=3;gt&&(pt[s++]=Tt[vt++],gt>1&&(pt[s++]=Tt[vt++]))}else{vt=s-It;do pt[s++]=pt[vt++],pt[s++]=pt[vt++],pt[s++]=pt[vt++],gt-=3;while(gt>2);gt&&(pt[s++]=pt[vt++],gt>1&&(pt[s++]=pt[vt++]))}}else if($&64){I.msg="invalid distance code",h.mode=S;break t}else{ht=mt[(ht&65535)+(H&(1<<$)-1)];continue r}break}}else if($&64)if($&32){h.mode=L;break t}else{I.msg="invalid literal/length code",h.mode=S;break t}else{ht=q[(ht&65535)+(H&(1<<$)-1)];continue e}break}}while(f<g&&s<T);gt=rt>>3,f-=gt,rt-=gt<<3,H&=(1<<rt)-1,I.next_in=f,I.next_out=s,I.avail_in=f<g?5+(g-f):5-(f-g),I.avail_out=s<T?257+(T-s):257-(s-T),h.hold=H,h.bits=rt}},function(O,w,_){"use strict";var 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|       ||       ||       ||       ||   _   ||    _ |  |       ||  | |  || | _ | ||   _   ||       ||  |_|  |
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/*! Bundled license information:

browserfs/dist/browserfs.js:
  (*!
   * The buffer module from node.js, for the browser.
   *
   * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
   * @license  MIT
   *)
*/
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