browserfs.min.js

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Le;!function(t){t[t.FILE=32768]="FILE",t[t.DIRECTORY=16384]="DIRECTORY",t[t.SYMLINK=40960]="SYMLINK"}(Le||(Le={}));var Te=function(t,e,n,r,i,o){if(void 0===r&&(r=new Date),void 0===i&&(i=new Date),void 0===o&&(o=new Date),this.size=e,this.atime=r,this.mtime=i,this.ctime=o,this.dev=0,this.ino=0,this.rdev=0,this.nlink=1,this.blksize=4096,this.uid=0,this.gid=0,this.birthtime=new Date(0),this.fileData=null,n)this.mode=n;else switch(t){case Le.FILE:this.mode=420;break;case Le.DIRECTORY:default:this.mode=511}this.blocks=Math.ceil(e/512),this.mode<4096&&(this.mode|=t)};Te.fromBuffer=function(t){var e=t.readUInt32LE(0),n=t.readUInt32LE(4),r=t.readDoubleLE(8),i=t.readDoubleLE(16),o=t.readDoubleLE(24);return new Te(61440&n,e,4095&n,new Date(r),new Date(i),new Date(o))},Te.prototype.toBuffer=function(){var e=t.alloc(32);return e.writeUInt32LE(this.size,0),e.writeUInt32LE(this.mode,4),e.writeDoubleLE(this.atime.getTime(),8),e.writeDoubleLE(this.mtime.getTime(),16),e.writeDoubleLE(this.ctime.getTime(),24),e},Te.prototype.clone=function(){return new Te(61440&this.mode,this.size,4095&this.mode,this.atime,this.mtime,this.ctime)},Te.prototype.isFile=function(){return(61440&this.mode)===Le.FILE},Te.prototype.isDirectory=function(){return(61440&this.mode)===Le.DIRECTORY},Te.prototype.isSymbolicLink=function(){return(61440&this.mode)===Le.SYMLINK},Te.prototype.chmod=function(t){this.mode=61440&this.mode|t},Te.prototype.isSocket=function(){return!1},Te.prototype.isBlockDevice=function(){return!1},Te.prototype.isCharacterDevice=function(){return!1},Te.prototype.isFIFO=function(){return!1};var xe=function(t,e){return t},Ae=function(){this.F_OK=0,this.R_OK=4,this.W_OK=2,this.X_OK=1,this.root=null,this.fdMap={},this.nextFd=100};Ae.prototype.initialize=function(t){if(!t.constructor.isAvailable())throw new Fe(be.EINVAL,"Tried to instantiate BrowserFS with an unavailable file system.");return this.root=t},Ae.prototype._toUnixTimestamp=function(t){if("number"==typeof t)return t;if(t instanceof Date)return t.getTime()/1e3;throw new Error("Cannot parse time: "+t)},Ae.prototype.getRootFS=function(){return this.root?this.root:null},Ae.prototype.rename=function(t,e,n){void 0===n&&(n=h);var r=xe(n,1);try{s(this.root).rename(u(t),u(e),r)}catch(t){r(t)}},Ae.prototype.renameSync=function(t,e){s(this.root).renameSync(u(t),u(e))},Ae.prototype.exists=function(t,e){void 0===e&&(e=h);var n=xe(e,1);try{return s(this.root).exists(u(t),n)}catch(t){return n(!1)}},Ae.prototype.existsSync=function(t){try{return s(this.root).existsSync(u(t))}catch(t){return!1}},Ae.prototype.stat=function(t,e){void 0===e&&(e=h);var n=xe(e,2);try{return s(this.root).stat(u(t),!1,n)}catch(t){return n(t)}},Ae.prototype.statSync=function(t){return s(this.root).statSync(u(t),!1)},Ae.prototype.lstat=function(t,e){void 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a=Re.getFileFlag(i.flag);return a.isWriteable()?s(this.root).writeFile(u(t),e,i.encoding,a,i.mode,o):o(new Fe(be.EINVAL,"Flag passed to writeFile must allow for writing."))}catch(t){return o(t)}},Ae.prototype.writeFileSync=function(t,e,n){var r=f(n,"utf8","w",420),i=Re.getFileFlag(r.flag);if(!i.isWriteable())throw new Fe(be.EINVAL,"Flag passed to writeFile must allow for writing.");return s(this.root).writeFileSync(u(t),e,r.encoding,i,r.mode)},Ae.prototype.appendFile=function(t,e,n,r){void 0===r&&(r=h);var i=f(n,"utf8","a",420);r="function"==typeof n?n:r;var o=xe(r,1);try{var a=Re.getFileFlag(i.flag);if(!a.isAppendable())return o(new Fe(be.EINVAL,"Flag passed to appendFile must allow for appending."));s(this.root).appendFile(u(t),e,i.encoding,a,i.mode,o)}catch(t){o(t)}},Ae.prototype.appendFileSync=function(t,e,n){var r=f(n,"utf8","a",420),i=Re.getFileFlag(r.flag);if(!i.isAppendable())throw new Fe(be.EINVAL,"Flag passed to appendFile must allow for appending.");return s(this.root).appendFileSync(u(t),e,r.encoding,i,r.mode)},Ae.prototype.fstat=function(t,e){void 0===e&&(e=h);var n=xe(e,2);try{var r=this.fd2file(t);r.stat(n)}catch(t){n(t)}},Ae.prototype.fstatSync=function(t){return this.fd2file(t).statSync()},Ae.prototype.close=function(t,e){var n=this;void 0===e&&(e=h);var r=xe(e,1);try{this.fd2file(t).close(function(e){e||n.closeFd(t),r(e)})}catch(t){r(t)}},Ae.prototype.closeSync=function(t){this.fd2file(t).closeSync(),this.closeFd(t)},Ae.prototype.ftruncate=function(t,e,n){void 0===n&&(n=h);var r="number"==typeof e?e:0;n="function"==typeof e?e:n;var i=xe(n,1);try{var o=this.fd2file(t);if(r<0)throw new Fe(be.EINVAL);o.truncate(r,i)}catch(t){i(t)}},Ae.prototype.ftruncateSync=function(t,e){void 0===e&&(e=0);var n=this.fd2file(t);if(e<0)throw new Fe(be.EINVAL);n.truncateSync(e)},Ae.prototype.fsync=function(t,e){void 0===e&&(e=h);var n=xe(e,1);try{this.fd2file(t).sync(n)}catch(t){n(t)}},Ae.prototype.fsyncSync=function(t){this.fd2file(t).syncSync()},Ae.prototype.fdatasync=function(t,e){void 0===e&&(e=h);var n=xe(e,1);try{this.fd2file(t).datasync(n)}catch(t){n(t)}},Ae.prototype.fdatasyncSync=function(t){this.fd2file(t).datasyncSync()},Ae.prototype.write=function(e,n,r,i,o,s){void 0===s&&(s=h);var a,c,u,f=null;if("string"==typeof n){var p="utf8";switch(typeof r){case"function":s=r;break;case"number":f=r,p="string"==typeof i?i:"utf8",s="function"==typeof o?o:s;break;default:return(s="function"==typeof i?i:"function"==typeof o?o:s)(new Fe(be.EINVAL,"Invalid arguments."))}a=t.from(n,p),c=0,u=a.length}else a=n,c=r,u=i,f="number"==typeof o?o:null,s="function"==typeof o?o:s;var l=xe(s,3);try{var d=this.fd2file(e);void 0!==f&&null!==f||(f=d.getPos()),d.write(a,c,u,f,l)}catch(t){l(t)}},Ae.prototype.writeSync=function(e,n,r,i,o){var s,a,c,u=0;if("string"==typeof n){c="number"==typeof r?r:null;var f="string"==typeof i?i:"utf8";u=0,s=t.from(n,f),a=s.length}else s=n,u=r,a=i,c="number"==typeof o?o:null;var h=this.fd2file(e);return void 0!==c&&null!==c||(c=h.getPos()),h.writeSync(s,u,a,c)},Ae.prototype.read=function(e,n,r,i,o,s){void 0===s&&(s=h);var a,c,u,f,p;if("number"==typeof n){u=n,a=r;var l=i;s="function"==typeof o?o:s,c=0,f=t.alloc(u),p=xe(function(t,e,n){return t?s(t):void s(t,n.toString(l),e)},3)}else f=n,c=r,u=i,a=o,p=xe(s,3);try{var d=this.fd2file(e);void 0!==a&&null!==a||(a=d.getPos()),d.read(f,c,u,a,p)}catch(t){p(t)}},Ae.prototype.readSync=function(e,n,r,i,o){var s,a,c,u,f=!1,h="utf8";"number"==typeof n?(c=n,u=r,h=i,a=0,s=t.alloc(c),f=!0):(s=n,a=r,c=i,u=o);var p=this.fd2file(e);void 0!==u&&null!==u||(u=p.getPos());var l=p.readSync(s,a,c,u);return f?[s.toString(h),l]:l},Ae.prototype.fchown=function(t,e,n,r){void 0===r&&(r=h);var i=xe(r,1);try{this.fd2file(t).chown(e,n,i)}catch(t){i(t)}},Ae.prototype.fchownSync=function(t,e,n){this.fd2file(t).chownSync(e,n)},Ae.prototype.fchmod=function(t,e,n){var r=xe(n,1);try{var i="string"==typeof e?parseInt(e,8):e;this.fd2file(t).chmod(i,r)}catch(t){r(t)}},Ae.prototype.fchmodSync=function(t,e){var n="string"==typeof e?parseInt(e,8):e;this.fd2file(t).chmodSync(n)},Ae.prototype.futimes=function(t,e,n,r){void 0===r&&(r=h);var i=xe(r,1);try{var o=this.fd2file(t);"number"==typeof e&&(e=new Date(1e3*e)),"number"==typeof n&&(n=new Date(1e3*n)),o.utimes(e,n,i)}catch(t){i(t)}},Ae.prototype.futimesSync=function(t,e,n){this.fd2file(t).utimesSync(c(e),c(n))},Ae.prototype.rmdir=function(t,e){void 0===e&&(e=h);var n=xe(e,1);try{t=u(t),s(this.root).rmdir(t,n)}catch(t){n(t)}},Ae.prototype.rmdirSync=function(t){return t=u(t),s(this.root).rmdirSync(t)},Ae.prototype.mkdir=function(t,e,n){void 0===n&&(n=h),"function"==typeof e&&(n=e,e=511);var r=xe(n,1);try{t=u(t),s(this.root).mkdir(t,e,r)}catch(t){r(t)}},Ae.prototype.mkdirSync=function(t,e){s(this.root).mkdirSync(u(t),a(e,511))},Ae.prototype.readdir=function(t,e){void 0===e&&(e=h);var n=xe(e,2);try{t=u(t),s(this.root).readdir(t,n)}catch(t){n(t)}},Ae.prototype.readdirSync=function(t){return t=u(t),s(this.root).readdirSync(t)},Ae.prototype.link=function(t,e,n){void 0===n&&(n=h);var r=xe(n,1);try{t=u(t),e=u(e),s(this.root).link(t,e,r)}catch(t){r(t)}},Ae.prototype.linkSync=function(t,e){return t=u(t),e=u(e),s(this.root).linkSync(t,e)},Ae.prototype.symlink=function(t,e,n,r){void 0===r&&(r=h);var i="string"==typeof n?n:"file";r="function"==typeof n?n:r;var o=xe(r,1);try{if("file"!==i&&"dir"!==i)return o(new Fe(be.EINVAL,"Invalid type: "+i));t=u(t),e=u(e),s(this.root).symlink(t,e,i,o)}catch(t){o(t)}},Ae.prototype.symlinkSync=function(t,e,n){
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r=this.store.beginTransaction("readwrite"),i=this._findINode(r,ke.dirname(t),ke.basename(t)),o=this.getINode(r,t,i),s=o.update(n);try{r.put(o.id,e,!0),s&&r.put(i,o.toBuffer(),!0)}catch(t){throw r.abort(),t}r.commit()},n.prototype.makeRootDirectory=function(){var t=this.store.beginTransaction("readwrite");if(void 0===t.get(oi)){var e=(new Date).getTime(),n=new ii(Tt(),4096,511|Le.DIRECTORY,e,e,e);t.put(n.id,Lt(),!1),t.put(oi,n.toBuffer(),!1),t.commit()}},n.prototype._findINode=function(t,e,n){var r=this,i=function(i){var o=r.getDirListing(t,e,i);if(o[n])return o[n];throw Fe.ENOENT(ke.resolve(e,n))};return"/"===e?""===n?oi:i(this.getINode(t,e,oi)):i(this.getINode(t,e+ke.sep+n,this._findINode(t,ke.dirname(e),ke.basename(e))))},n.prototype.findINode=function(t,e){return this.getINode(t,e,this._findINode(t,ke.dirname(e),ke.basename(e)))},n.prototype.getINode=function(t,e,n){var r=t.get(n);if(void 0===r)throw Fe.ENOENT(e);return ii.fromBuffer(r)},n.prototype.getDirListing=function(t,e,n){if(!n.isDirectory())throw Fe.ENOTDIR(e);var r=t.get(n.id);if(void 0===r)throw Fe.ENOENT(e);return JSON.parse(r.toString())},n.prototype.addNewNode=function(t,e){for(var n,r=0;r<5;)try{return n=Tt(),t.put(n,e,!1),n}catch(t){}throw new Fe(be.EIO,"Unable to commit data to key-value store.")},n.prototype.commitNewFile=function(e,n,r,i,o){var s=ke.dirname(n),a=ke.basename(n),c=this.findINode(e,s),u=this.getDirListing(e,s,c),f=(new Date).getTime();if("/"===n)throw Fe.EEXIST(n);if(u[a])throw Fe.EEXIST(n);var h;try{var p=this.addNewNode(e,o);h=new ii(p,o.length,i|r,f,f,f);var l=this.addNewNode(e,h.toBuffer());u[a]=l,e.put(c.id,t.from(JSON.stringify(u)),!0)}catch(t){throw e.abort(),t}return e.commit(),h},n.prototype.removeEntry=function(e,n){var r=this.store.beginTransaction("readwrite"),i=ke.dirname(e),o=this.findINode(r,i),s=this.getDirListing(r,i,o),a=ke.basename(e);if(!s[a])throw Fe.ENOENT(e);var c=s[a];delete s[a];var u=this.getINode(r,e,c);if(!n&&u.isDirectory())throw Fe.EISDIR(e);if(n&&!u.isDirectory())throw Fe.ENOTDIR(e);try{r.del(u.id),r.del(c),r.put(o.id,t.from(JSON.stringify(s)),!0)}catch(t){throw r.abort(),t}r.commit()},n}(He),fi=function(t){function e(e,n,r,i,o){t.call(this,e,n,r,i,o)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.sync=function(t){var e=this;this.isDirty()?this._fs._sync(this.getPath(),this.getBuffer(),this.getStats(),function(n){n||e.resetDirty(),t(n)}):t()},e.prototype.close=function(t){this.sync(t)},e}(Ye),hi=function(e){function n(){e.apply(this,arguments)}return e&&(n.__proto__=e),n.prototype=Object.create(e&&e.prototype),n.prototype.constructor=n,n.isAvailable=function(){return!0},n.prototype.init=function(t,e){this.store=t,this.makeRootDirectory(e)},n.prototype.getName=function(){return this.store.name()},n.prototype.isReadOnly=function(){return!1},n.prototype.supportsSymlinks=function(){return!1},n.prototype.supportsProps=function(){return!1},n.prototype.supportsSynch=function(){return!1},n.prototype.empty=function(t){var e=this;this.store.clear(function(n){xt(n,t)&&e.makeRootDirectory(t)})},n.prototype.rename=function(e,n,r){var i=this,o=this.store.beginTransaction("readwrite"),s=ke.dirname(e),a=ke.basename(e),c=ke.dirname(n),u=ke.basename(n),f={},h={},p=!1;if(0===(c+"/").indexOf(e+"/"))return r(new Fe(be.EBUSY,s));var l=function(){if(!p&&h.hasOwnProperty(s)&&h.hasOwnProperty(c)){var l=h[s],d=f[s],y=h[c],g=f[c];if(l[a]){var v=l[a];delete l[a];var m=function(){y[u]=v,o.put(d.id,t.from(JSON.stringify(l)),!0,function(e){At(e,o,r)&&(s===c?o.commit(r):o.put(g.id,t.from(JSON.stringify(y)),!0,function(t){At(t,o,r)&&o.commit(r)}))})};y[u]?i.getINode(o,n,y[u],function(t,e){At(t,o,r)&&(e.isFile()?o.del(e.id,function(t){At(t,o,r)&&o.del(y[u],function(t){At(t,o,r)&&m()})}):o.abort(function(t){r(Fe.EPERM(n))}))}):m()}else r(Fe.ENOENT(e))}},d=function(t){i.findINodeAndDirListing(o,t,function(e,n,i){e?p||(p=!0,o.abort(function(){r(e)})):(f[t]=n,h[t]=i,l())})};d(s),s!==c&&d(c)},n.prototype.stat=function(t,e,n){var r=this.store.beginTransaction("readonly");this.findINode(r,t,function(t,e){xt(t,n)&&n(null,e.toStats())})},n.prototype.createFile=function(t,e,n,r){var i=this,o=this.store.beginTransaction("readwrite"),s=S();this.commitNewFile(o,t,Le.FILE,n,s,function(n,o){xt(n,r)&&r(null,new fi(i,t,e,o.toStats(),s))})},n.prototype.openFile=function(t,e,n){var r=this,i=this.store.beginTransaction("readonly");this.findINode(i,t,function(o,s){xt(o,n)&&i.get(s.id,function(i,o){xt(i,n)&&(void 0===o?n(Fe.ENOENT(t)):n(null,new fi(r,t,e,s.toStats(),o)))})})},n.prototype.unlink=function(t,e){this.removeEntry(t,!1,e)},n.prototype.rmdir=function(t,e){var n=this;this.readdir(t,function(r,i){r?e(r):i.length>0?e(Fe.ENOTEMPTY(t)):n.removeEntry(t,!0,e)})},n.prototype.mkdir=function(e,n,r){var i=this.store.beginTransaction("readwrite"),o=t.from("{}");this.commitNewFile(i,e,Le.DIRECTORY,n,o,r)},n.prototype.readdir=function(t,e){var n=this,r=this.store.beginTransaction("readonly");this.findINode(r,t,function(i,o){xt(i,e)&&n.getDirListing(r,t,o,function(t,n){xt(t,e)&&e(null,Object.keys(n))})})},n.prototype._sync=function(t,e,n,r){var i=this,o=this.store.beginTransaction("readwrite");this._findINode(o,ke.dirname(t),ke.basename(t),function(s,a){At(s,o,r)&&i.getINode(o,t,a,function(t,i){if(At(t,o,r)){var s=i.update(n);o.put(i.id,e,!0,function(t){At(t,o,r)&&(s?o.put(a,i.toBuffer(),!0,function(t){At(t,o,r)&&o.commit(r)}):o.commit(r))})}})})},n.prototype.makeRootDirectory=function(t){var e=this.store.beginTransaction("readwrite");e.get(oi,function(n,r){if(n||void 0===r){var i=(new Date).getTime(),o=new ii(Tt(),4096,511|Le.DIRECTORY,i,i,i);e.put(o.id,Lt(),!1,function(n){At(n,e,t)&&e.put(oi,o.toBuffer(),!1,function(n){n?e.abort(function(){t(n)}):e.commit(t)})})}else e.commit(t)})},n.prototype._findINode=function(t,e,n,r){var i=this,o=function(t,i,o){t?r(t):o[n]?r(null,o[n]):r(Fe.ENOENT(ke.resolve(e,n)))};"/"===e?""===n?r(null,oi):this.getINode(t,e,oi,function(n,s){xt(n,r)&&i.getDirListing(t,e,s,function(t,e){o(t,s,e)})}):this.findINodeAndDirListing(t,e,o)},n.prototype.findINode=function(t,e,n){var r=this;this._findINode(t,ke.dirname(e),ke.basename(e),function(i,o){xt(i,n)&&r.getINode(t,e,o,n)})},n.prototype.getINode=function(t,e,n,r){t.get(n,function(t,n){xt(t,r)&&(void 0===n?r(Fe.ENOENT(e)):r(null,ii.fromBuffer(n)))})},n.prototype.getDirListing=function(t,e,n,r){n.isDirectory()?t.get(n.id,function(t,n){if(xt(t,r))try{r(null,JSON.parse(n.toString()))}catch(t){r(Fe.ENOENT(e))}}):r(Fe.ENOTDIR(e))},n.prototype.findINodeAndDirListing=function(t,e,n){var r=this;this.findINode(t,e,function(i,o){xt(i,n)&&r.getDirListing(t,e,o,function(t,e){xt(t,n)&&n(null,o,e)})})},n.prototype.addNewNode=function(t,e,n){var r,i=0,o=function(){5===++i?n(new Fe(be.EIO,"Unable to commit data to key-value store.")):(r=Tt(),t.put(r,e,!1,function(t,e){t||!e?o():n(null,r)}))};o()},n.prototype.commitNewFile=function(e,n,r,i,o,s){var a=this,c=ke.dirname(n),u=ke.basename(n),f=(new Date).getTime();return"/"===n?s(Fe.EEXIST(n)):void this.findINodeAndDirListing(e,c,function(c,h,p){At(c,e,s)&&(p[u]?e.abort(function(){s(Fe.EEXIST(n))}):a.addNewNode(e,o,function(n,c){if(At(n,e,s)){var l=new ii(c,o.length,i|r,f,f,f);a.addNewNode(e,l.toBuffer(),function(n,r){At(n,e,s)&&(p[u]=r,e.put(h.id,t.from(JSON.stringify(p)),!0,function(t){At(t,e,s)&&e.commit(function(t){At(t,e,s)&&s(null,l)})}))})}}))})},n.prototype.removeEntry=function(e,n,r){var i=this,o=this.store.beginTransaction("readwrite"),s=ke.dirname(e),a=ke.basename(e);this.findINodeAndDirListing(o,s,function(s,c,u){if(At(s,o,r))if(u[a]){var f=u[a];delete u[a],i.getINode(o,e,f,function(i,s){At(i,o,r)&&(!n&&s.isDirectory()?o.abort(function(){r(Fe.EISDIR(e))}):n&&!s.isDirectory()?o.abort(function(){r(Fe.ENOTDIR(e))}):o.del(s.id,function(e){At(e,o,r)&&o.del(f,function(e){At(e,o,r)&&o.put(c.id,t.from(JSON.stringify(u)),!0,function(t){At(t,o,r)&&o.commit(r)})})}))})}else o.abort(function(){r(Fe.ENOENT(e))})})},n}(We),pi=function(){this.store={}};pi.prototype.name=function(){return li.Name},pi.prototype.clear=function(){this.store={}},pi.prototype.beginTransaction=function(t){return new ai(this)},pi.prototype.get=function(t){return this.store[t]},pi.prototype.put=function(t,e,n){return!(!n&&this.store.hasOwnProperty(t))&&(this.store[t]=e,!0)},pi.prototype.del=function(t){delete this.store[t]};var li=function(t){function e(){t.call(this,{store:new pi})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){n(null,new e)},e}(ui);li.Name="InMemory",li.Options={};var di=ti.indexedDB||ti.mozIndexedDB||ti.webkitIndexedDB||ti.msIndexedDB,yi=function(t,e){this.tx=t,this.store=e};yi.prototype.get=function(t,e){try{var n=this.store.get(t);n.onerror=Pt(e),n.onsuccess=function(t){var n=t.target.result;void 0===n?e(null,n):e(null,E(n))}}catch(t){e(Dt(t))}};var gi=function(t){function e(e,n){t.call(this,e,n)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.put=function(t,e,n,r){try{var i,o=v(e);i=n?this.store.put(o,t):this.store.add(o,t),i.onerror=Pt(r),i.onsuccess=function(t){r(null,!0)}}catch(t){r(Dt(t))}},e.prototype.del=function(t,e){try{var n=this.store.delete(t);n.onerror=Pt(e),n.onsuccess=function(t){e()}}catch(t){e(Dt(t))}},e.prototype.commit=function(t){setTimeout(t,0)},e.prototype.abort=function(t){var e=null;try{this.tx.abort()}catch(t){e=Dt(t)}finally{t(e)}},e}(yi),vi=function(t,e){var n=this;void 0===e&&(e="browserfs"),this.storeName=e;var r=di.open(this.storeName,1);r.onupgradeneeded=function(t){var e=t.target.result;e.objectStoreNames.contains(n.storeName)&&e.deleteObjectStore(n.storeName),e.createObjectStore(n.storeName)},r.onsuccess=function(e){n.db=e.target.result,t(null,n)},r.onerror=Pt(t,be.EACCES)};vi.prototype.name=function(){return mi.Name+" - "+this.storeName},vi.prototype.clear=function(t){try{var e=this.db.transaction(this.storeName,"readwrite"),n=e.objectStore(this.storeName),r=n.clear();r.onsuccess=function(e){setTimeout(t,0)},r.onerror=Pt(t)}catch(e){t(Dt(e))}},vi.prototype.beginTransaction=function(t){void 0===t&&(t="readonly");var e=this.db.transaction(this.storeName,t),n=e.objectStore(this.storeName);if("readwrite"===t)return new gi(e,n);if("readonly"===t)return new yi(e,n);throw new Fe(be.EINVAL,"Invalid transaction type.")};var mi=function(t){function e(n,r,i){var o=this;void 0===i&&(i=!0),t.call(this),this.store=new vi(function(t){t?n(t):o.init(o.store,function(t){n(t,o)})},r),d(i,e.Name,{storeName:r})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){new e(n,t.storeName,!1)},e.isAvailable=function(){try{return"undefined"!=typeof di&&null!==di.open("__browserfs_test__")}catch(t){return!1}},e}(hi);mi.Name="IndexedDB",mi.Options={storeName:{type:"string",optional:!0,description:"The name of this file 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this.standardizeError(n,e.path,t)}},e.prototype.rmdir=function(t,e){var n=this,r=this._getFs(t);this._containsMountPt(t)?e(Fe.ENOTEMPTY(t)):r.fs.rmdir(r.path,function(i){e(i?n.standardizeError(i,r.path,t):null)})},e.prototype._containsMountPt=function(t){for(var e=this.mountList,n=e.length,r=0;r<n;r++){var i=e[r];if(i.length>=t.length&&i.slice(0,t.length)===t)return!0}return!1},e}(We);Si.Name="MountableFileSystem",Si.Options={};for(var ki=[["exists","unlink","readlink"],["stat","mkdir","realpath","truncate"],["open","readFile","chmod","utimes"],["chown"],["writeFile","appendFile"]],Ii=0;Ii<ki.length;Ii++)for(var Oi=ki[Ii],Fi=0,Ni=Oi;Fi<Ni.length;Fi+=1){var Ri=Ni[Fi];Si.prototype[Ri]=Ct(Ri,!1,Ii+1),Si.prototype[Ri+"Sync"]=Ct(Ri+"Sync",!0,Ii+1)}var Li;if("undefined"!=typeof setImmediate)Li=setImmediate;else{var Ti=ti,xi=[],Ai="zero-timeout-message",Di=function(){if("undefined"!=typeof Ti.importScripts||!Ti.postMessage)return!1;var t=!0,e=Ti.onmessage;return Ti.onmessage=function(){t=!1},Ti.postMessage("","*"),Ti.onmessage=e,t};if(Di()){Li=function(t){xi.push(t),Ti.postMessage(Ai,"*")};var Pi=function(t){if(t.source===self&&t.data===Ai&&(t.stopPropagation?t.stopPropagation():t.cancelBubble=!0,xi.length>0)){var e=xi.shift();return e()}};Ti.addEventListener?Ti.addEventListener("message",Pi,!0):Ti.attachEvent("onmessage",Pi)}else if(Ti.MessageChannel){var Ci=new Ti.MessageChannel;Ci.port1.onmessage=function(t){if(xi.length>0)return xi.shift()()},Li=function(t){xi.push(t),Ci.port2.postMessage("")}}else Li=function(t){return setTimeout(t,0)}}var Ui=Li,Mi=function(){this._locked=!1,this._waiters=[]};Mi.prototype.lock=function(t){return this._locked?void this._waiters.push(t):(this._locked=!0,void t())},Mi.prototype.unlock=function(){if(!this._locked)throw new Error("unlock of a non-locked mutex");var t=this._waiters.shift();return t?void Ui(t):void(this._locked=!1)},Mi.prototype.tryLock=function(){return!this._locked&&(this._locked=!0,!0)},Mi.prototype.isLocked=function(){return this._locked};var ji=function(t){this._fs=t,this._mu=new Mi};ji.prototype.getName=function(){return"LockedFS<"+this._fs.getName()+">"},ji.prototype.getFSUnlocked=function(){return this._fs},ji.prototype.initialize=function(t){this._fs.initialize(t)},ji.prototype.diskSpace=function(t,e){this._fs.diskSpace(t,e)},ji.prototype.isReadOnly=function(){return this._fs.isReadOnly()},ji.prototype.supportsLinks=function(){return this._fs.supportsLinks()},ji.prototype.supportsProps=function(){return this._fs.supportsProps()},ji.prototype.supportsSynch=function(){return this._fs.supportsSynch()},ji.prototype.rename=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.rename(t,e,function(t){r._mu.unlock(),n(t)})})},ji.prototype.renameSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.renameSync(t,e)},ji.prototype.stat=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.stat(t,e,function(t,e){r._mu.unlock(),n(t,e)})})},ji.prototype.statSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.statSync(t,e)},ji.prototype.open=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.open(t,e,n,function(t,e){i._mu.unlock(),r(t,e)})})},ji.prototype.openSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.openSync(t,e,n)},ji.prototype.unlink=function(t,e){var n=this;this._mu.lock(function(){n._fs.unlink(t,function(t){n._mu.unlock(),e(t)})})},ji.prototype.unlinkSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.unlinkSync(t)},ji.prototype.rmdir=function(t,e){var n=this;this._mu.lock(function(){n._fs.rmdir(t,function(t){n._mu.unlock(),e(t)})})},ji.prototype.rmdirSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.rmdirSync(t)},ji.prototype.mkdir=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.mkdir(t,e,function(t){r._mu.unlock(),n(t)})})},ji.prototype.mkdirSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.mkdirSync(t,e)},ji.prototype.readdir=function(t,e){var n=this;this._mu.lock(function(){n._fs.readdir(t,function(t,r){n._mu.unlock(),e(t,r)})})},ji.prototype.readdirSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readdirSync(t)},ji.prototype.exists=function(t,e){var n=this;this._mu.lock(function(){n._fs.exists(t,function(t){n._mu.unlock(),e(t)})})},ji.prototype.existsSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.existsSync(t)},ji.prototype.realpath=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.realpath(t,e,function(t,e){r._mu.unlock(),n(t,e)})})},ji.prototype.realpathSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.realpathSync(t,e)},ji.prototype.truncate=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.truncate(t,e,function(t){r._mu.unlock(),n(t)})})},ji.prototype.truncateSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.truncateSync(t,e)},ji.prototype.readFile=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.readFile(t,e,n,function(t,e){i._mu.unlock(),r(t,e)})})},ji.prototype.readFileSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readFileSync(t,e,n)},ji.prototype.writeFile=function(t,e,n,r,i,o){var s=this;this._mu.lock(function(){s._fs.writeFile(t,e,n,r,i,function(t){s._mu.unlock(),o(t)})})},ji.prototype.writeFileSync=function(t,e,n,r,i){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.writeFileSync(t,e,n,r,i)},ji.prototype.appendFile=function(t,e,n,r,i,o){var s=this;this._mu.lock(function(){s._fs.appendFile(t,e,n,r,i,function(t){s._mu.unlock(),o(t)})})},ji.prototype.appendFileSync=function(t,e,n,r,i){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.appendFileSync(t,e,n,r,i)},ji.prototype.chmod=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.chmod(t,e,n,function(t){i._mu.unlock(),r(t)})})},ji.prototype.chmodSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.chmodSync(t,e,n)},ji.prototype.chown=function(t,e,n,r,i){var o=this;this._mu.lock(function(){o._fs.chown(t,e,n,r,function(t){o._mu.unlock(),i(t)})})},ji.prototype.chownSync=function(t,e,n,r){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.chownSync(t,e,n,r)},ji.prototype.utimes=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.utimes(t,e,n,function(t){i._mu.unlock(),r(t)})})},ji.prototype.utimesSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.utimesSync(t,e,n)},ji.prototype.link=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.link(t,e,function(t){r._mu.unlock(),n(t)})})},ji.prototype.linkSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.linkSync(t,e)},ji.prototype.symlink=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.symlink(t,e,n,function(t){i._mu.unlock(),r(t)})})},ji.prototype.symlinkSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.symlinkSync(t,e,n)},ji.prototype.readlink=function(t,e){var n=this;this._mu.lock(function(){n._fs.readlink(t,function(t,r){n._mu.unlock(),e(t,r)})})},ji.prototype.readlinkSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readlinkSync(t)};var Bi="/.deletedFiles.log",zi=function(t){function e(e,n,r,i,o){t.call(this,e,n,r,i,o)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.sync=function(t){var e=this;return this.isDirty()?void this._fs._syncAsync(this,function(n){e.resetDirty(),t(n)}):void t(null)},e.prototype.syncSync=function(){this.isDirty()&&(this._fs._syncSync(this),this.resetDirty())},e.prototype.close=function(t){this.sync(t)},e.prototype.closeSync=function(){this.syncSync()},e}(Ye),qi=function(t){function e(e,n){if(t.call(this),this._isInitialized=!1,this._initializeCallbacks=[],this._deletedFiles={},this._deleteLog="",this._deleteLogUpdatePending=!1,this._deleteLogUpdateNeeded=!1,this._deleteLogError=null,this._writable=e,this._readable=n,this._writable.isReadOnly())throw new Fe(be.EINVAL,"Writable file system must be writable.")}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.isAvailable=function(){return!0},e.prototype.getOverlayedFileSystems=function(){return{readable:this._readable,writable:this._writable}},e.prototype._syncAsync=function(t,e){var n=this;this.createParentDirectoriesAsync(t.getPath(),function(r){return r?e(r):void n._writable.writeFile(t.getPath(),t.getBuffer(),null,Mt("w"),t.getStats().mode,e)})},e.prototype._syncSync=function(t){this.createParentDirectories(t.getPath()),this._writable.writeFileSync(t.getPath(),t.getBuffer(),null,Mt("w"),t.getStats().mode)},e.prototype.getName=function(){return Vi.Name},e.prototype.initialize=function(t){var e=this,n=this._initializeCallbacks,r=function(t){e._isInitialized=!t,e._initializeCallbacks=[],n.forEach(function(e){return e(t)})};return this._isInitialized?t():(n.push(t),void(1===n.length&&this._writable.readFile(Bi,"utf8",Mt("r"),function(t,n){if(t){if(t.errno!==be.ENOENT)return r(t)}else e._deleteLog=n;e._reparseDeletionLog(),r()})))},e.prototype.isReadOnly=function(){return!1},e.prototype.supportsSynch=function(){return this._readable.supportsSynch()&&this._writable.supportsSynch()},e.prototype.supportsLinks=function(){return!1},e.prototype.supportsProps=function(){return this._readable.supportsProps()&&this._writable.supportsProps()},e.prototype.getDeletionLog=function(){return this._deleteLog},e.prototype.restoreDeletionLog=function(t){this._deleteLog=t,this._reparseDeletionLog(),this.updateLog("")},e.prototype.rename=function(t,e,n){var r=this;if(this.checkInitAsync(n)&&!this.checkPathAsync(t,n)&&!this.checkPathAsync(e,n))return t===Bi||e===Bi?n(Fe.EPERM("Cannot rename deletion log.")):t===e?n():void this.stat(t,!1,function(i,o){return i?n(i):r.stat(e,!1,function(i,s){function a(r){var i=r.shift();if(!i)return n();var o=ke.resolve(t,i),s=ke.resolve(e,i);c.rename(o,s,function(t){return t?n(t):void a(r)})}var c=r,u=511;if(o.isDirectory()){if(i)return i.errno!==be.ENOENT?n(i):r._writable.exists(t,function(i){return i?r._writable.rename(t,e,n):void r._writable.mkdir(e,u,function(e){return e?n(e):void r._readable.readdir(t,function(t,e){return t?n():void a(e)})})});if(u=s.mode,!s.isDirectory())return n(Fe.ENOTDIR(e));r.readdir(e,function(i,o){return o&&o.length?n(Fe.ENOTEMPTY(e)):void r._readable.readdir(t,function(t,e){return t?n():void a(e)})})}return s&&s.isDirectory()?n(Fe.EISDIR(e)):void r.readFile(t,null,Mt("r"),function(i,s){return i?n(i):r.writeFile(e,s,null,Mt("w"),o.mode,function(e){return e?n(e):r.unlink(t,n)})})})})},e.prototype.renameSync=function(t,e){var n=this;if(this.checkInitialized(),this.checkPath(t),this.checkPath(e),t===Bi||e===Bi)throw Fe.EPERM("Cannot rename deletion log.");var r=this.statSync(t,!1);if(r.isDirectory()){if(t===e)return;var i=511;if(this.existsSync(e)){var o=this.statSync(e,!1);if(i=o.mode,!o.isDirectory())throw Fe.ENOTDIR(e);if(this.readdirSync(e).length>0)throw Fe.ENOTEMPTY(e)}this._writable.existsSync(t)?this._writable.renameSync(t,e):this._writable.existsSync(e)||this._writable.mkdirSync(e,i),this._readable.existsSync(t)&&this._readable.readdirSync(t).forEach(function(r){n.renameSync(ke.resolve(t,r),ke.resolve(e,r))})}else{if(this.existsSync(e)&&this.statSync(e,!1).isDirectory())throw Fe.EISDIR(e);this.writeFileSync(e,this.readFileSync(t,null,Mt("r")),null,Mt("w"),r.mode)}t!==e&&this.existsSync(t)&&this.unlinkSync(t)},e.prototype.stat=function(t,e,n){var r=this;this.checkInitAsync(n)&&this._writable.stat(t,e,function(i,o){i&&i.errno===be.ENOENT?(r._deletedFiles[t]&&n(Fe.ENOENT(t)),r._readable.stat(t,e,function(t,e){e&&(e=e.clone(),e.mode=Ut(e.mode)),n(t,e)})):n(i,o)})},e.prototype.statSync=function(t,e){this.checkInitialized();try{return this._writable.statSync(t,e)}catch(r){if(this._deletedFiles[t])throw Fe.ENOENT(t);var n=this._readable.statSync(t,e).clone();return n.mode=Ut(n.mode),n}},e.prototype.open=function(t,e,n,r){var i=this;this.checkInitAsync(r)&&!this.checkPathAsync(t,r)&&this.stat(t,!1,function(o,s){if(s)switch(e.pathExistsAction()){case Oe.TRUNCATE_FILE:return i.createParentDirectoriesAsync(t,function(o){return o?r(o):void i._writable.open(t,e,n,r)});case Oe.NOP:return i._writable.exists(t,function(o){o?i._writable.open(t,e,n,r):(s=s.clone(),s.mode=n,i._readable.readFile(t,null,Mt("r"),function(n,o){if(n)return r(n);s.size===-1&&(s.size=o.length);var a=new zi(i,t,e,s,o);r(null,a)}))});default:return r(Fe.EEXIST(t))}else switch(e.pathNotExistsAction()){case Oe.CREATE_FILE:return i.createParentDirectoriesAsync(t,function(o){return o?r(o):i._writable.open(t,e,n,r)});default:return r(Fe.ENOENT(t))}})},e.prototype.openSync=function(t,e,n){if(this.checkInitialized(),this.checkPath(t),t===Bi)throw Fe.EPERM("Cannot open deletion log.");if(this.existsSync(t))switch(e.pathExistsAction()){case Oe.TRUNCATE_FILE:return this.createParentDirectories(t),this._writable.openSync(t,e,n);case Oe.NOP:if(this._writable.existsSync(t))return this._writable.openSync(t,e,n);var r=this._readable.readFileSync(t,null,Mt("r")),i=this._readable.statSync(t,!1).clone();return i.mode=n,new zi(this,t,e,i,r);default:throw Fe.EEXIST(t)}else switch(e.pathNotExistsAction()){case Oe.CREATE_FILE:return this.createParentDirectories(t),this._writable.openSync(t,e,n);default:throw Fe.ENOENT(t)}},e.prototype.unlink=function(t,e){var n=this;this.checkInitAsync(e)&&!this.checkPathAsync(t,e)&&this.exists(t,function(r){return r?void n._writable.exists(t,function(r){return r?n._writable.unlink(t,function(r){return r?e(r):void n.exists(t,function(r){r&&n.deletePath(t),e(null)})}):(n.deletePath(t),void e(null))}):e(Fe.ENOENT(t))})},e.prototype.unlinkSync=function(t){if(this.checkInitialized(),this.checkPath(t),!this.existsSync(t))throw Fe.ENOENT(t);this._writable.existsSync(t)&&this._writable.unlinkSync(t),this.existsSync(t)&&this.deletePath(t)},e.prototype.rmdir=function(t,e){var n=this;if(this.checkInitAsync(e)){var r=function(){n.readdir(t,function(r,i){return r?e(r):i.length?e(Fe.ENOTEMPTY(t)):(n.deletePath(t),void e(null))})};this.exists(t,function(i){return i?void n._writable.exists(t,function(i){i?n._writable.rmdir(t,function(i){return i?e(i):void n._readable.exists(t,function(t){t?r():e()})}):r()}):e(Fe.ENOENT(t))})}},e.prototype.rmdirSync=function(t){if(this.checkInitialized(),!this.existsSync(t))throw Fe.ENOENT(t);if(this._writable.existsSync(t)&&this._writable.rmdirSync(t),this.existsSync(t)){if(this.readdirSync(t).length>0)throw Fe.ENOTEMPTY(t);this.deletePath(t)}},e.prototype.mkdir=function(t,e,n){var r=this;this.checkInitAsync(n)&&this.exists(t,function(i){return i?n(Fe.EEXIST(t)):void r.createParentDirectoriesAsync(t,function(i){return i?n(i):void r._writable.mkdir(t,e,n)})})},e.prototype.mkdirSync=function(t,e){if(this.checkInitialized(),this.existsSync(t))throw Fe.EEXIST(t);this.createParentDirectories(t),this._writable.mkdirSync(t,e)},e.prototype.readdir=function(t,e){var n=this;this.checkInitAsync(e)&&this.stat(t,!1,function(r,i){return r?e(r):i.isDirectory()?void n._writable.readdir(t,function(r,i){return r&&"ENOENT"!==r.code?e(r):(!r&&i||(i=[]),void n._readable.readdir(t,function(r,o){!r&&o||(o=[]);var s={},a=i.concat(o.filter(function(e){return!n._deletedFiles[t+"/"+e]})).filter(function(t){var e=!s[t];return s[t]=!0,e});e(null,a)}))}):e(Fe.ENOTDIR(t))})},e.prototype.readdirSync=function(t){var e=this;this.checkInitialized();var n=this.statSync(t,!1);if(!n.isDirectory())throw Fe.ENOTDIR(t);var r=[];try{r=r.concat(this._writable.readdirSync(t))}catch(t){}try{r=r.concat(this._readable.readdirSync(t).filter(function(n){return!e._deletedFiles[t+"/"+n]}))}catch(t){}var i={};return r.filter(function(t){var e=!i[t];return i[t]=!0,e})},e.prototype.exists=function(t,e){var n=this;this.checkInitialized(),this._writable.exists(t,function(r){return r?e(!0):void n._readable.exists(t,function(r){e(r&&n._deletedFiles[t]!==!0)})})},e.prototype.existsSync=function(t){return this.checkInitialized(),this._writable.existsSync(t)||this._readable.existsSync(t)&&this._deletedFiles[t]!==!0},e.prototype.chmod=function(t,e,n,r){var i=this;this.checkInitAsync(r)&&this.operateOnWritableAsync(t,function(o){return o?r(o):void i._writable.chmod(t,e,n,r)})},e.prototype.chmodSync=function(t,e,n){var r=this;this.checkInitialized(),this.operateOnWritable(t,function(){r._writable.chmodSync(t,e,n)})},e.prototype.chown=function(t,e,n,r,i){var o=this;this.checkInitAsync(i)&&this.operateOnWritableAsync(t,function(s){return s?i(s):void o._writable.chown(t,e,n,r,i)})},e.prototype.chownSync=function(t,e,n,r){var i=this;this.checkInitialized(),this.operateOnWritable(t,function(){i._writable.chownSync(t,e,n,r)})},e.prototype.utimes=function(t,e,n,r){var i=this;this.checkInitAsync(r)&&this.operateOnWritableAsync(t,function(o){return o?r(o):void i._writable.utimes(t,e,n,r)})},e.prototype.utimesSync=function(t,e,n){var r=this;this.checkInitialized(),this.operateOnWritable(t,function(){r._writable.utimesSync(t,e,n)})},e.prototype.deletePath=function(t){this._deletedFiles[t]=!0,this.updateLog("d"+t+"\n")},e.prototype.updateLog=function(t){var e=this;this._deleteLog+=t,this._deleteLogUpdatePending?this._deleteLogUpdateNeeded=!0:(this._deleteLogUpdatePending=!0,this._writable.writeFile(Bi,this._deleteLog,"utf8",Re.getFileFlag("w"),420,function(t){e._deleteLogUpdatePending=!1,t?e._deleteLogError=t:e._deleteLogUpdateNeeded&&(e._deleteLogUpdateNeeded=!1,e.updateLog(""))}))},e.prototype._reparseDeletionLog=function(){var t=this;this._deletedFiles={},this._deleteLog.split("\n").forEach(function(e){t._deletedFiles[e.slice(1)]="d"===e.slice(0,1)})},e.prototype.checkInitialized=function(){if(!this._isInitialized)throw new Fe(be.EPERM,"OverlayFS is not initialized. Please initialize OverlayFS using its initialize() method before using it.");if(null!==this._deleteLogError){var t=this._deleteLogError;throw this._deleteLogError=null,t}},e.prototype.checkInitAsync=function(t){if(!this._isInitialized)return t(new Fe(be.EPERM,"OverlayFS is not initialized. Please initialize OverlayFS using its initialize() method before using it.")),!1;if(null!==this._deleteLogError){var e=this._deleteLogError;return this._deleteLogError=null,t(e),!1}return!0},e.prototype.checkPath=function(t){if(t===Bi)throw Fe.EPERM(t)},e.prototype.checkPathAsync=function(t,e){return t===Bi&&(e(Fe.EPERM(t)),!0)},e.prototype.createParentDirectoriesAsync=function(t,e){function n(t,e){t?(o.push(i),i=ke.dirname(i),s._writable.stat(i,!1,n)):r()}function r(){if(!o.length)return e();var t=o.pop();s._readable.stat(t,!1,function(n,i){return i?void s._writable.mkdir(t,i.mode,function(t){return t?e(t):void r()}):e()})}var i=ke.dirname(t),o=[],s=this;this._writable.stat(i,!1,n)},e.prototype.createParentDirectories=function(t){for(var e=this,n=ke.dirname(t),r=[];!this._writable.existsSync(n);)r.push(n),n=ke.dirname(n);r=r.reverse(),r.forEach(function(t){e._writable.mkdirSync(t,e.statSync(t,!1).mode)})},e.prototype.operateOnWritable=function(t,e){if(!this.existsSync(t))throw Fe.ENOENT(t);this._writable.existsSync(t)||this.copyToWritable(t),e()},e.prototype.operateOnWritableAsync=function(t,e){var n=this;this.exists(t,function(r){return r?void n._writable.exists(t,function(r){return r?void e():n.copyToWritableAsync(t,e)}):e(Fe.ENOENT(t))})},e.prototype.copyToWritable=function(t){var e=this.statSync(t,!1);e.isDirectory()?this._writable.mkdirSync(t,e.mode):this.writeFileSync(t,this._readable.readFileSync(t,null,Mt("r")),null,Mt("w"),this.statSync(t,!1).mode)},e.prototype.copyToWritableAsync=function(t,e){var n=this;this.stat(t,!1,function(r,i){return r?e(r):i.isDirectory()?n._writable.mkdir(t,i.mode,e):void n._readable.readFile(t,null,Mt("r"),function(r,o){return r?e(r):void n.writeFile(t,o,null,Mt("w"),i.mode,e)})})},e}(We),Vi=function(t){function e(n,r,i){void 0===i&&(i=!0),t.call(this,new qi(n,r)),d(i,e.Name,{readable:"readable file system",writable:"writable file system"})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){try{var r=new e(t.writable,t.readable,!1);r.initialize(function(t){n(t,r)},!1)}catch(t){n(t)}},e.isAvailable=function(){return qi.isAvailable()},e.prototype.initialize=function(e,n){void 0===n&&(n=!0),n&&console.warn("[OverlayFS] OverlayFS.initialize() is deprecated and will be removed in the next major release. Please use 'OverlayFS.Create({readable: readable file system instance, writable: writable file system instance}, cb)' to create and initialize OverlayFS instances."),t.prototype.initialize.call(this,e)},e.prototype.getOverlayedFileSystems=function(){return t.prototype.getFSUnlocked.call(this).getOverlayedFileSystems()},e.prototype.unwrap=function(){return t.prototype.getFSUnlocked.call(this)},e}(ji);Vi.Name="OverlayFS",Vi.Options={writable:{type:"object",description:"The file system to write modified files to."},readable:{type:"object",description:"The file system that initially populates this file system."}};var Wi;!function(t){t[t.CB=0]="CB",t[t.FD=1]="FD",t[t.API_ERROR=2]="API_ERROR",t[t.STATS=3]="STATS",t[t.PROBE=4]="PROBE",t[t.FILEFLAG=5]="FILEFLAG",t[t.BUFFER=6]="BUFFER",t[t.ERROR=7]="ERROR"}(Wi||(Wi={}));var Hi=function(){this._callbacks={},this._nextId=0};Hi.prototype.toRemoteArg=function(t){var e=this._nextId++;return this._callbacks[e]=t,{type:Wi.CB,id:e}},Hi.prototype.toLocalArg=function(t){var e=this._callbacks[t];return delete this._callbacks[t],e};var Zi=function(){this._fileDescriptors={},this._nextId=0};Zi.prototype.toRemoteArg=function(e,n,r,i){var o,s,a=this._nextId++;this._fileDescriptors[a]=e,e.stat(function(c,u){c?i(c):(s=Yt(u.toBuffer()),r.isReadable()?e.read(t.alloc(u.size),0,u.size,0,function(t,e,c){t?i(t):(o=Yt(c),i(null,{type:Wi.FD,id:a,data:o,stat:s,path:n,flag:r.getFlagString()}))}):i(null,{type:Wi.FD,id:a,data:new ArrayBuffer(0),stat:s,path:n,flag:r.getFlagString()}))})},Zi.prototype.applyFdAPIRequest=function(t,e){var n=this,r=t.args[0];this._applyFdChanges(r,function(i,o){i?e(i):o[t.method](function(i){"close"===t.method&&delete n._fileDescriptors[r.id],e(i)})})},Zi.prototype._applyFdChanges=function(t,e){var n=this._fileDescriptors[t.id],r=Xt(t.data),i=Te.fromBuffer(Xt(t.stat)),o=Re.getFileFlag(t.flag);o.isWriteable()?n.write(r,0,r.length,o.isAppendable()?n.getPos():0,function(t){function s(){n.stat(function(t,r){t?e(t):r.mode!==i.mode?n.chmod(i.mode,function(t){e(t,n)}):e(t,n)})}t?e(t):o.isAppendable()?s():n.truncate(r.length,function(){s()})}):e(null,n)};var Yi=function(t){function e(e,n,r,i,o,s){t.call(this,e,n,r,i,s),this._remoteFdId=o}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.getRemoteFdId=function(){return this._remoteFdId},e.prototype.toRemoteArg=function(){return{type:Wi.FD,id:this._remoteFdId,data:Yt(this.getBuffer()),stat:Yt(this.getStats().toBuffer()),path:this.getPath(),flag:this.getFlag().getFlagString()}},e.prototype.sync=function(t){this._syncClose("sync",t)},e.prototype.close=function(t){this._syncClose("close",t)},e.prototype._syncClose=function(t,e){var n=this;this.isDirty()?this._fs.syncClose(t,this,function(t){t||n.resetDirty(),e(t)}):e()},e}(Ye),Xi=function(e){function n(t,r){var i=this;void 0===r&&(r=!0),e.call(this),this._callbackConverter=new Hi,this._isInitialized=!1,this._isReadOnly=!1,this._supportLinks=!1,this._supportProps=!1,this._worker=t,d(r,n.Name,{worker:"Web Worker instance"}),this._worker.addEventListener("message",function(t){var e=t.data;if(Qt(e)){var n,r=e.args,o=new Array(r.length);for(n=0;n<o.length;n++)o[n]=i._argRemote2Local(r[n]);i._callbackConverter.toLocalArg(e.cbId).apply(null,o)}})}return e&&(n.__proto__=e),n.prototype=Object.create(e&&e.prototype),n.prototype.constructor=n,n.Create=function(t,e){var r=new n(t.worker,!1);r.initialize(function(){e(null,r)})},n.isAvailable=function(){return"undefined"!=typeof importScripts||"undefined"!=typeof Worker},n.attachRemoteListener=function(e){function n(e,n,r){switch(typeof e){case"object":e instanceof Te?r(null,Vt(e)):e instanceof Fe?r(null,jt(e)):e instanceof 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Array(o.length);switch(n.method){case"close":case"sync":!function(){var t=o[1];i.applyFdAPIRequest(n,function(n){var r={browserfsMessage:!0,cbId:t.id,args:n?[jt(n)]:[]};e.postMessage(r)})}();break;case"probe":!function(){var t=Pe.getRootFS(),n=o[1],r={type:Wi.PROBE,isReadOnly:t.isReadOnly(),supportsLinks:t.supportsLinks(),supportsProps:t.supportsProps()},i={browserfsMessage:!0,cbId:n.id,args:[r]};e.postMessage(i)}();break;default:for(var a=0;a<o.length;a++)s[a]=r(o[a],s);var c=Pe.getRootFS();c[n.method].apply(c,s)}}})},n.prototype.getName=function(){return n.Name},n.prototype.initialize=function(t){var e=this;if(this._isInitialized)t();else{var n={browserfsMessage:!0,method:"probe",args:[this._argLocal2Remote(S()),this._callbackConverter.toRemoteArg(function(n){e._isInitialized=!0,e._isReadOnly=n.isReadOnly,e._supportLinks=n.supportsLinks,e._supportProps=n.supportsProps,t()})]};this._worker.postMessage(n)}},n.prototype.isReadOnly=function(){return this._isReadOnly},n.prototype.supportsSynch=function(){return!1},n.prototype.supportsLinks=function(){return this._supportLinks},n.prototype.supportsProps=function(){return this._supportProps},n.prototype.rename=function(t,e,n){this._rpc("rename",arguments)},n.prototype.stat=function(t,e,n){this._rpc("stat",arguments)},n.prototype.open=function(t,e,n,r){this._rpc("open",arguments)},n.prototype.unlink=function(t,e){this._rpc("unlink",arguments)},n.prototype.rmdir=function(t,e){this._rpc("rmdir",arguments)},n.prototype.mkdir=function(t,e,n){this._rpc("mkdir",arguments)},n.prototype.readdir=function(t,e){this._rpc("readdir",arguments)},n.prototype.exists=function(t,e){this._rpc("exists",arguments)},n.prototype.realpath=function(t,e,n){this._rpc("realpath",arguments)},n.prototype.truncate=function(t,e,n){this._rpc("truncate",arguments)},n.prototype.readFile=function(t,e,n,r){this._rpc("readFile",arguments)},n.prototype.writeFile=function(t,e,n,r,i,o){this._rpc("writeFile",arguments)},n.prototype.appendFile=function(t,e,n,r,i,o){this._rpc("appendFile",arguments)},n.prototype.chmod=function(t,e,n,r){this._rpc("chmod",arguments)},n.prototype.chown=function(t,e,n,r,i){this._rpc("chown",arguments)},n.prototype.utimes=function(t,e,n,r){this._rpc("utimes",arguments)},n.prototype.link=function(t,e,n){this._rpc("link",arguments)},n.prototype.symlink=function(t,e,n,r){this._rpc("symlink",arguments)},n.prototype.readlink=function(t,e){this._rpc("readlink",arguments)},n.prototype.syncClose=function(t,e,n){this._worker.postMessage({browserfsMessage:!0,method:t,args:[e.toRemoteArg(),this._callbackConverter.toRemoteArg(n)]})},n.prototype._argRemote2Local=function(t){if(!t)return t;switch(typeof t){case"object":if("number"!=typeof t.type)return t;var e=t;switch(e.type){case Wi.API_ERROR:return Bt(e);case Wi.FD:var n=e;return new Yi(this,n.path,Re.getFileFlag(n.flag),Te.fromBuffer(Xt(n.stat)),n.id,Xt(n.data));case Wi.STATS:return Wt(e);case Wi.FILEFLAG:return Zt(e);case Wi.BUFFER:return Jt(e);case Wi.ERROR:return qt(e);default:return t}default:return t}},n.prototype._rpc=function(t,e){for(var n=this,r=new Array(e.length),i=0;i<e.length;i++)r[i]=n._argLocal2Remote(e[i]);var o={browserfsMessage:!0,method:t,args:r};this._worker.postMessage(o)},n.prototype._argLocal2Remote=function(e){if(!e)return e;switch(typeof e){case"object":return e instanceof Te?Vt(e):e instanceof Fe?jt(e):e instanceof Yi?e.toRemoteArg():e instanceof Re?Ht(e):e instanceof t?Kt(e):e instanceof Error?zt(e):"Unknown argument";case"function":return this._callbackConverter.toRemoteArg(e);default:return e}},n}(We);Xi.Name="WorkerFS",Xi.Options={worker:{type:"object",description:"The target worker 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this._index[t]===e;var n=this._split_path(t),r=n[0],i=n[1],o=this._index[r];return!(void 0===o&&"/"!==t&&(o=new $i,!this.addPath(r,o)))&&(!("/"!==t&&!o.addItem(i,e))&&(se(e)&&(this._index[t]=e),!0))},Gi.prototype.addPathFast=function(t,e){var n=t.lastIndexOf("/"),r=0===n?"/":t.substring(0,n),i=t.substring(n+1),o=this._index[r];return void 0===o&&(o=new $i,this.addPathFast(r,o)),!!o.addItem(i,e)&&(e.isDir()&&(this._index[t]=e),!0)},Gi.prototype.removePath=function(t){var e=this,n=this._split_path(t),r=n[0],i=n[1],o=this._index[r];if(void 0===o)return null;var s=o.remItem(i);if(null===s)return null;if(se(s)){for(var a=s.getListing(),c=0,u=a;c<u.length;c+=1){var f=u[c];e.removePath(t+"/"+f)}"/"!==t&&delete this._index[t]}return s},Gi.prototype.ls=function(t){var e=this._index[t];return void 0===e?null:e.getListing()},Gi.prototype.getInode=function(t){var e=this._split_path(t),n=e[0],r=e[1],i=this._index[n];
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"];var no,ro=n(23).inflateRaw,io={};!function(t){t[t.MSDOS=0]="MSDOS",t[t.AMIGA=1]="AMIGA",t[t.OPENVMS=2]="OPENVMS",t[t.UNIX=3]="UNIX",t[t.VM_CMS=4]="VM_CMS",t[t.ATARI_ST=5]="ATARI_ST",t[t.OS2_HPFS=6]="OS2_HPFS",t[t.MAC=7]="MAC",t[t.Z_SYSTEM=8]="Z_SYSTEM",t[t.CP_M=9]="CP_M",t[t.NTFS=10]="NTFS",t[t.MVS=11]="MVS",t[t.VSE=12]="VSE",t[t.ACORN_RISC=13]="ACORN_RISC",t[t.VFAT=14]="VFAT",t[t.ALT_MVS=15]="ALT_MVS",t[t.BEOS=16]="BEOS",t[t.TANDEM=17]="TANDEM",t[t.OS_400=18]="OS_400",t[t.OSX=19]="OSX"}(no||(no={}));var oo;!function(t){t[t.STORED=0]="STORED",t[t.SHRUNK=1]="SHRUNK",t[t.REDUCED_1=2]="REDUCED_1",t[t.REDUCED_2=3]="REDUCED_2",t[t.REDUCED_3=4]="REDUCED_3",t[t.REDUCED_4=5]="REDUCED_4",t[t.IMPLODE=6]="IMPLODE",t[t.DEFLATE=8]="DEFLATE",t[t.DEFLATE64=9]="DEFLATE64",t[t.TERSE_OLD=10]="TERSE_OLD",t[t.BZIP2=12]="BZIP2",t[t.LZMA=14]="LZMA",t[t.TERSE_NEW=18]="TERSE_NEW",t[t.LZ77=19]="LZ77",t[t.WAVPACK=97]="WAVPACK",t[t.PPMD=98]="PPMD"}(oo||(oo={}));var so=function(t){if(this.data=t,67324752!==t.readUInt32LE(0))throw new Fe(be.EINVAL,"Invalid Zip file: Local file header has invalid signature: "+this.data.readUInt32LE(0))};so.prototype.versionNeeded=function(){return this.data.readUInt16LE(4)},so.prototype.flags=function(){return this.data.readUInt16LE(6)},so.prototype.compressionMethod=function(){return this.data.readUInt16LE(8)},so.prototype.lastModFileTime=function(){return ce(this.data.readUInt16LE(10),this.data.readUInt16LE(12))},so.prototype.rawLastModFileTime=function(){return this.data.readUInt32LE(10)},so.prototype.crc32=function(){return this.data.readUInt32LE(14)},so.prototype.fileNameLength=function(){return this.data.readUInt16LE(26)},so.prototype.extraFieldLength=function(){return this.data.readUInt16LE(28)},so.prototype.fileName=function(){return ue(this.data,this.useUTF8(),30,this.fileNameLength())},so.prototype.extraField=function(){var t=30+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},so.prototype.totalSize=function(){return 30+this.fileNameLength()+this.extraFieldLength()},so.prototype.useUTF8=function(){return 2048===(2048&this.flags())};var ao=function(t,e,n){this.header=t,this.record=e,this.data=n};ao.prototype.decompress=function(){var t=this.header.compressionMethod(),e=io[t];if(e)return e(this.data,this.record.compressedSize(),this.record.uncompressedSize(),this.record.flag());var n=oo[t];throw n||(n="Unknown: "+t),new Fe(be.EINVAL,"Invalid compression method on file '"+this.header.fileName()+"': "+n)},ao.prototype.getHeader=function(){return this.header},ao.prototype.getRecord=function(){return this.record},ao.prototype.getRawData=function(){return this.data};var co=function(t){this.data=t};co.prototype.crc32=function(){return this.data.readUInt32LE(0)},co.prototype.compressedSize=function(){return this.data.readUInt32LE(4)},co.prototype.uncompressedSize=function(){return this.data.readUInt32LE(8)};var uo=function(t){if(this.data=t,134630224!==this.data.readUInt32LE(0))throw new Fe(be.EINVAL,"Invalid archive extra data record signature: "+this.data.readUInt32LE(0))};uo.prototype.length=function(){return this.data.readUInt32LE(4)},uo.prototype.extraFieldData=function(){return this.data.slice(8,8+this.length())};var fo=function(t){if(this.data=t,84233040!==this.data.readUInt32LE(0))throw new Fe(be.EINVAL,"Invalid digital signature signature: "+this.data.readUInt32LE(0))};fo.prototype.size=function(){return this.data.readUInt16LE(4)},fo.prototype.signatureData=function(){return this.data.slice(6,6+this.size())};var ho=function(t,e){if(this.zipData=t,this.data=e,33639248!==this.data.readUInt32LE(0))throw new Fe(be.EINVAL,"Invalid Zip file: Central directory record has invalid signature: "+this.data.readUInt32LE(0));this._filename=this.produceFilename()};ho.prototype.versionMadeBy=function(){return this.data.readUInt16LE(4)},ho.prototype.versionNeeded=function(){return this.data.readUInt16LE(6)},ho.prototype.flag=function(){return this.data.readUInt16LE(8)},ho.prototype.compressionMethod=function(){return this.data.readUInt16LE(10)},ho.prototype.lastModFileTime=function(){return ce(this.data.readUInt16LE(12),this.data.readUInt16LE(14))},ho.prototype.rawLastModFileTime=function(){return this.data.readUInt32LE(12)},ho.prototype.crc32=function(){return this.data.readUInt32LE(16)},ho.prototype.compressedSize=function(){return this.data.readUInt32LE(20)},ho.prototype.uncompressedSize=function(){return this.data.readUInt32LE(24)},ho.prototype.fileNameLength=function(){return this.data.readUInt16LE(28)},ho.prototype.extraFieldLength=function(){return this.data.readUInt16LE(30)},ho.prototype.fileCommentLength=function(){return this.data.readUInt16LE(32)},ho.prototype.diskNumberStart=function(){return this.data.readUInt16LE(34)},ho.prototype.internalAttributes=function(){return this.data.readUInt16LE(36)},ho.prototype.externalAttributes=function(){return this.data.readUInt32LE(38)},ho.prototype.headerRelativeOffset=function(){return this.data.readUInt32LE(42)},ho.prototype.produceFilename=function(){var t=ue(this.data,this.useUTF8(),46,this.fileNameLength());return t.replace(/\\/g,"/")},ho.prototype.fileName=function(){return this._filename},ho.prototype.rawFileName=function(){return this.data.slice(46,46+this.fileNameLength())},ho.prototype.extraField=function(){var t=44+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},ho.prototype.fileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return ue(this.data,this.useUTF8(),t,this.fileCommentLength())},ho.prototype.rawFileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return this.data.slice(t,t+this.fileCommentLength())},ho.prototype.totalSize=function(){return 46+this.fileNameLength()+this.extraFieldLength()+this.fileCommentLength()},ho.prototype.isDirectory=function(){var t=this.fileName();return!!(16&this.externalAttributes())||"/"===t.charAt(t.length-1)},ho.prototype.isFile=function(){return!this.isDirectory()},ho.prototype.useUTF8=function(){return 2048===(2048&this.flag())},ho.prototype.isEncrypted=function(){return 1===(1&this.flag())},ho.prototype.getFileData=function(){var t=this.headerRelativeOffset(),e=new so(this.zipData.slice(t));return new ao(e,this,this.zipData.slice(t+e.totalSize()))},ho.prototype.getData=function(){return this.getFileData().decompress()},ho.prototype.getRawData=function(){return this.getFileData().getRawData()},ho.prototype.getStats=function(){return new Te(Le.FILE,this.uncompressedSize(),365,new Date,this.lastModFileTime())};var po=function(t){if(this.data=t,101010256!==this.data.readUInt32LE(0))throw new Fe(be.EINVAL,"Invalid Zip file: End of central directory record has invalid signature: "+this.data.readUInt32LE(0))};po.prototype.diskNumber=function(){return this.data.readUInt16LE(4)},po.prototype.cdDiskNumber=function(){return this.data.readUInt16LE(6)},po.prototype.cdDiskEntryCount=function(){return this.data.readUInt16LE(8)},po.prototype.cdTotalEntryCount=function(){return this.data.readUInt16LE(10)},po.prototype.cdSize=function(){return this.data.readUInt32LE(12)},po.prototype.cdOffset=function(){return this.data.readUInt32LE(16)},po.prototype.cdZipCommentLength=function(){return this.data.readUInt16LE(20)},po.prototype.cdZipComment=function(){return ue(this.data,!0,22,this.cdZipCommentLength())},po.prototype.rawCdZipComment=function(){return this.data.slice(22,22+this.cdZipCommentLength())};var lo=function(t,e,n,r){this.index=t,this.directoryEntries=e,this.eocd=n,this.data=r},yo=function(t){function e(n,r,i){void 0===r&&(r=""),void 0===i&&(i=!0),t.call(this),this.name=r,this._index=new Gi,this._directoryEntries=[],this._eocd=null,d(i,e.Name,{zipData:"zip data as a Buffer",name:r}),n instanceof lo?(this._index=n.index,this._directoryEntries=n.directoryEntries,this._eocd=n.eocd,this.data=n.data):(this.data=n,this.populateIndex())}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){try{e.computeIndex(t.zipData,function(r){var i=new e(r,t.name,!1);n(null,i)},!1)}catch(t){n(t)}},e.isAvailable=function(){return!0},e.RegisterDecompressionMethod=function(t,e){io[t]=e},e.computeIndex=function(t,n,r){void 0===r&&(r=!0),r&&console.warn("[ZipFS] ZipFS.computeIndex is now deprecated, and will be removed in the next major release. Please update your code to use 'ZipFS.Create({ zipData: zip file as a Buffer}, cb)' instead.");var i=new Gi,o=e.getEOCD(t);if(o.diskNumber()!==o.cdDiskNumber())throw new Fe(be.EINVAL,"ZipFS does not support spanned zip files.");var s=o.cdOffset();if(4294967295===s)throw new Fe(be.EINVAL,"ZipFS does not support Zip64.");var a=s+o.cdSize();e.computeIndexResponsive(t,i,s,a,n,[],o)},e.getEOCD=function(t){for(var e=22,n=Math.min(e+65535,t.length-1),r=e;r<n;r++)if(101010256===t.readUInt32LE(t.length-r))return new po(t.slice(t.length-r));throw new Fe(be.EINVAL,"Invalid ZIP file: Could not locate End of Central Directory signature.")},e.addToIndex=function(t,e){var n=t.fileName();if("/"===n.charAt(0))throw new Error("WHY IS THIS ABSOLUTE");"/"===n.charAt(n.length-1)&&(n=n.substr(0,n.length-1)),t.isDirectory()?e.addPathFast("/"+n,new $i(t)):e.addPathFast("/"+n,new Qi(t))},e.computeIndexResponsive=function(t,n,r,i,o,s,a){if(r<i){for(var c=0;c++<200&&r<i;){var u=new ho(t,t.slice(r));e.addToIndex(u,n),r+=u.totalSize(),s.push(u)}Ui(function(){e.computeIndexResponsive(t,n,r,i,o,s,a)})}else o(new lo(n,s,a,t))},e.prototype.getName=function(){return e.Name+(""!==this.name?" "+this.name:"")},e.prototype.getCentralDirectoryEntry=function(t){var e=this._index.getInode(t);if(null===e)throw Fe.ENOENT(t);if(oe(e))return e.getData();if(se(e))return e.getData();throw Fe.EPERM("Invalid inode: "+e)},e.prototype.getCentralDirectoryEntryAt=function(t){var e=this._directoryEntries[t];if(!e)throw new RangeError("Invalid directory index: "+t+".");return e},e.prototype.getNumberOfCentralDirectoryEntries=function(){return this._directoryEntries.length},e.prototype.getEndOfCentralDirectory=function(){return this._eocd},e.prototype.diskSpace=function(t,e){e(this.data.length,0)},e.prototype.isReadOnly=function(){return!0},e.prototype.supportsLinks=function(){return!1},e.prototype.supportsProps=function(){return!1},e.prototype.supportsSynch=function(){return!0},e.prototype.statSync=function(t,e){var n=this._index.getInode(t);if(null===n)throw Fe.ENOENT(t);var r;if(oe(n))r=n.getData().getStats();else{if(!se(n))throw new Fe(be.EINVAL,"Invalid inode.");r=n.getStats()}return r},e.prototype.openSync=function(t,e,n){if(e.isWriteable())throw new Fe(be.EPERM,t);var r=this._index.getInode(t);if(!r)throw Fe.ENOENT(t);if(!oe(r))throw Fe.EISDIR(t);var i=r.getData(),o=i.getStats();switch(e.pathExistsAction()){case Oe.THROW_EXCEPTION:case Oe.TRUNCATE_FILE:throw Fe.EEXIST(t);case Oe.NOP:return new Xe(this,t,e,o,i.getData());default:throw new Fe(be.EINVAL,"Invalid FileMode object.")}},e.prototype.readdirSync=function(t){var e=this._index.getInode(t);if(e){if(se(e))return e.getListing();throw Fe.ENOTDIR(t)}throw Fe.ENOENT(t)},e.prototype.readFileSync=function(t,e,n){var r=this.openSync(t,n,420);try{var i=r,o=i.getBuffer();return null===e?b(o):o.toString(e)}finally{r.closeSync()}},e.prototype.populateIndex=function(){var t=this,n=this._eocd=e.getEOCD(this.data);if(n.diskNumber()!==n.cdDiskNumber())throw new Fe(be.EINVAL,"ZipFS does not support spanned zip files.");var r=n.cdOffset();if(4294967295===r)throw new Fe(be.EINVAL,"ZipFS does not support Zip64.");for(var i=r+n.cdSize();r<i;){var o=new ho(t.data,t.data.slice(r));r+=o.totalSize(),e.addToIndex(o,t._index),t._directoryEntries.push(o)}},e}(He);yo.Name="ZipFS",yo.Options={zipData:{type:"object",description:"The zip file as a Buffer object.",validator:k},name:{type:"string",optional:!0,description:"The name of the zip file (optional)."}},yo.CompressionMethod=oo,yo.RegisterDecompressionMethod(oo.DEFLATE,function(t,e,n){return _(ro(t.slice(0,e),{chunkSize:n}))}),yo.RegisterDecompressionMethod(oo.STORED,function(t,e,n){return b(t,0,n)});var go="IEEE_P1282",vo=function(t){this._data=t};vo.prototype.type=function(){return this._data[0]},vo.prototype.standardIdentifier=function(){return fe(this._data,1,5)},vo.prototype.version=function(){return this._data[6]},vo.prototype.data=function(){return this._data.slice(7,2048)};var mo=function(t){function e(e){t.call(this,e),this._root=null}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.systemIdentifier=function(){return this._getString32(8)},e.prototype.volumeIdentifier=function(){return this._getString32(40)},e.prototype.volumeSpaceSize=function(){return this._data.readUInt32LE(80)},e.prototype.volumeSetSize=function(){return this._data.readUInt16LE(120)},e.prototype.volumeSequenceNumber=function(){return this._data.readUInt16LE(124)},e.prototype.logicalBlockSize=function(){return this._data.readUInt16LE(128)},e.prototype.pathTableSize=function(){return this._data.readUInt32LE(132)},e.prototype.locationOfTypeLPathTable=function(){return this._data.readUInt32LE(140)},e.prototype.locationOfOptionalTypeLPathTable=function(){return this._data.readUInt32LE(144)},e.prototype.locationOfTypeMPathTable=function(){return this._data.readUInt32BE(148)},e.prototype.locationOfOptionalTypeMPathTable=function(){return this._data.readUInt32BE(152)},e.prototype.rootDirectoryEntry=function(t){return null===this._root&&(this._root=this._constructRootDirectoryRecord(this._data.slice(156)),this._root.rootCheckForRockRidge(t)),this._root},e.prototype.volumeSetIdentifier=function(){return this._getString(190,128)},e.prototype.publisherIdentifier=function(){return this._getString(318,128)},e.prototype.dataPreparerIdentifier=function(){return this._getString(446,128)},e.prototype.applicationIdentifier=function(){return this._getString(574,128)},e.prototype.copyrightFileIdentifier=function(){return this._getString(702,38)},e.prototype.abstractFileIdentifier=function(){return this._getString(740,36)},e.prototype.bibliographicFileIdentifier=function(){return this._getString(776,37)},e.prototype.volumeCreationDate=function(){return pe(this._data,813)},e.prototype.volumeModificationDate=function(){return pe(this._data,830)},e.prototype.volumeExpirationDate=function(){return pe(this._data,847)},e.prototype.volumeEffectiveDate=function(){return pe(this._data,864)},e.prototype.fileStructureVersion=function(){return this._data[881]},e.prototype.applicationUsed=function(){return this._data.slice(883,1395)},e.prototype.reserved=function(){return this._data.slice(1395,2048)},e.prototype._getString32=function(t){return this._getString(t,32)},e}(vo),_o=function(t){function e(e){if(t.call(this,e),1!==this.type())throw new Fe(be.EIO,"Invalid primary volume descriptor.")}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.name=function(){return"ISO9660"},e.prototype._constructRootDirectoryRecord=function(t){return new bo(t,-1)},e.prototype._getString=function(t,e){return this._getString(t,e)},e}(mo),wo=function(t){function e(e){if(t.call(this,e),2!==this.type())throw new Fe(be.EIO,"Invalid supplementary volume descriptor.");var n=this.escapeSequence(),r=n[2];if(37!==n[0]||47!==n[1]||64!==r&&67!==r&&69!==r)throw new Fe(be.EIO,"Unrecognized escape sequence for SupplementaryVolumeDescriptor: "+n.toString())}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.name=function(){return"Joliet"},e.prototype.escapeSequence=function(){return this._data.slice(88,120)},e.prototype._constructRootDirectoryRecord=function(t){return new So(t,-1)},e.prototype._getString=function(t,e){return he(this._data,t,e)},e}(mo),Eo=function(t,e){this._suEntries=null,this._fileOrDir=null,this._data=t,this._rockRidgeOffset=e};Eo.prototype.hasRockRidge=function(){return this._rockRidgeOffset>-1},Eo.prototype.getRockRidgeOffset=function(){return this._rockRidgeOffset},Eo.prototype.rootCheckForRockRidge=function(t){var e=this.getDirectory(t);this._rockRidgeOffset=e.getDotEntry(t)._getRockRidgeOffset(t),this._rockRidgeOffset>-1&&(this._fileOrDir=null)},Eo.prototype.length=function(){return this._data[0]},Eo.prototype.extendedAttributeRecordLength=function(){return this._data[1]},Eo.prototype.lba=function(){return 2048*this._data.readUInt32LE(2)},Eo.prototype.dataLength=function(){return this._data.readUInt32LE(10)},Eo.prototype.recordingDate=function(){return le(this._data,18)},Eo.prototype.fileFlags=function(){return this._data[25]},Eo.prototype.fileUnitSize=function(){return this._data[26]},Eo.prototype.interleaveGapSize=function(){return this._data[27]},Eo.prototype.volumeSequenceNumber=function(){return this._data.readUInt16LE(28)},Eo.prototype.identifier=function(){return this._getString(33,this._data[32])},Eo.prototype.fileName=function(t){if(this.hasRockRidge()){var e=this._rockRidgeFilename(t);if(null!==e)return e}var n=this.identifier();if(this.isDirectory(t))return n;var r=n.indexOf(";");return r===-1?n:"."===n[r-1]?n.slice(0,r-1):n.slice(0,r)},Eo.prototype.isDirectory=function(t){var e=!!(2&this.fileFlags());return!e&&this.hasRockRidge()&&(e=this.getSUEntries(t).filter(function(t){return t instanceof Uo}).length>0),e},Eo.prototype.isSymlink=function(t){return this.hasRockRidge()&&this.getSUEntries(t).filter(function(t){return t instanceof Do}).length>0},Eo.prototype.getSymlinkPath=function(t){for(var e="",n=this.getSUEntries(t),r=this._getGetString(),i=0,o=n;i<o.length;i+=1){var s=o[i];if(s instanceof Do){for(var a=s.componentRecords(),c=0,u=a;c<u.length;c+=1){var f=u[c],h=f.flags();2&h?e+="./":4&h?e+="../":8&h?e+="/":(e+=f.content(r),1&h||(e+="/"))}if(!s.continueFlag())break}}return e.length>1&&"/"===e[e.length-1]?e.slice(0,e.length-1):e},Eo.prototype.getFile=function(t){if(this.isDirectory(t))throw new Error("Tried to get a File from a directory.");return null===this._fileOrDir&&(this._fileOrDir=t.slice(this.lba(),this.lba()+this.dataLength())),this._fileOrDir},Eo.prototype.getDirectory=function(t){if(!this.isDirectory(t))throw new Error("Tried to get a Directory from a file.");return null===this._fileOrDir&&(this._fileOrDir=this._constructDirectory(t)),this._fileOrDir},Eo.prototype.getSUEntries=function(t){return this._suEntries||this._constructSUEntries(t),this._suEntries},Eo.prototype._rockRidgeFilename=function(t){var e=this.getSUEntries(t).filter(function(t){return t instanceof Co});if(0===e.length||6&e[0].flags())return null;for(var n="",r=this._getGetString(),i=0,o=e;i<o.length;i+=1){var s=o[i];if(n+=s.name(r),!(1&s.flags()))break}return n},Eo.prototype._constructSUEntries=function(t){var e=33+this._data[32];e%2===1&&e++,e+=this._rockRidgeOffset,this._suEntries=ye(this._data,e,this.length(),t)},Eo.prototype._getRockRidgeOffset=function(t){this._rockRidgeOffset=0;var e=this.getSUEntries(t);if(e.length>0){var n=e[0];if(n instanceof Fo&&n.checkBytesPass())for(var r=1;r<e.length;r++){var i=e[r];if(i instanceof To||i instanceof Ro&&i.extensionIdentifier()===go)return n.bytesSkipped()}}return this._rockRidgeOffset=-1,-1};var bo=function(t){function 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t}S=65535&E,b&=15,b&&(g<b&&(y+=F[o++]<<g,g+=8),S+=y&(1<<b)-1,y>>>=b,g-=b),g<15&&(y+=F[o++]<<g,g+=8,y+=F[o++]<<g,g+=8),E=m[y&w];n:for(;;){if(b=E>>>24,y>>>=b,g-=b,b=E>>>16&255,!(16&b)){if(0===(64&b)){E=m[(65535&E)+(y&(1<<b)-1)];continue n}t.msg="invalid distance code",i.mode=n;break t}if(k=65535&E,b&=15,g<b&&(y+=F[o++]<<g,g+=8,g<b&&(y+=F[o++]<<g,g+=8)),k+=y&(1<<b)-1,k>f){t.msg="invalid distance too far back",i.mode=n;break t}if(y>>>=b,g-=b,b=a-c,k>b){if(b=k-b,b>p&&i.sane){t.msg="invalid distance too far back",i.mode=n;break t}if(I=0,O=d,0===l){if(I+=h-b,b<S){S-=b;do N[a++]=d[I++];while(--b);I=a-k,O=N}}else if(l<b){if(I+=h+l-b,b-=l,b<S){S-=b;do N[a++]=d[I++];while(--b);if(I=0,l<S){b=l,S-=b;do N[a++]=d[I++];while(--b);I=a-k,O=N}}}else if(I+=l-b,b<S){S-=b;do N[a++]=d[I++];while(--b);I=a-k,O=N}for(;S>2;)N[a++]=O[I++],N[a++]=O[I++],N[a++]=O[I++],S-=3;S&&(N[a++]=O[I++],S>1&&(N[a++]=O[I++]))}else{I=a-k;do 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t&&t.state?(e=t.state,t.total_in=t.total_out=e.total=0,t.msg="",e.wrap&&(t.adler=1&e.wrap),e.mode=U,e.last=0,e.havedict=0,e.dmax=32768,e.head=null,e.hold=0,e.bits=0,e.lencode=e.lendyn=new m.Buf32(yt),e.distcode=e.distdyn=new m.Buf32(gt),e.sane=1,e.back=-1,R):x}function s(t){var e;return t&&t.state?(e=t.state,e.wsize=0,e.whave=0,e.wnext=0,o(t)):x}function a(t,e){var n,r;return t&&t.state?(r=t.state,e<0?(n=0,e=-e):(n=(e>>4)+1,e<48&&(e&=15)),e&&(e<8||e>15)?x:(null!==r.window&&r.wbits!==e&&(r.window=null),r.wrap=n,r.wbits=e,s(t))):x}function c(t,e){var n,r;return t?(r=new i,t.state=r,r.window=null,n=a(t,e),n!==R&&(t.state=null),n):x}function u(t){return c(t,mt)}function f(t){if(_t){var e;for(g=new m.Buf32(512),v=new m.Buf32(32),e=0;e<144;)t.lens[e++]=8;for(;e<256;)t.lens[e++]=9;for(;e<280;)t.lens[e++]=7;for(;e<288;)t.lens[e++]=8;for(b(k,t.lens,0,288,g,0,t.work,{bits:9}),e=0;e<32;)t.lens[e++]=5;b(I,t.lens,0,32,v,0,t.work,{bits:5}),_t=!1}t.lencode=g,t.lenbits=9,t.distcode=v,t.distbits=5}function h(t,e,n,r){var i,o=t.state;return null===o.window&&(o.wsize=1<<o.wbits,o.wnext=0,o.whave=0,o.window=new m.Buf8(o.wsize)),r>=o.wsize?(m.arraySet(o.window,e,n-o.wsize,o.wsize,0),o.wnext=0,o.whave=o.wsize):(i=o.wsize-o.wnext,i>r&&(i=r),m.arraySet(o.window,e,n-r,i,o.wnext),r-=i,r?(m.arraySet(o.window,e,n-r,r,0),o.wnext=r,o.whave=o.wsize):(o.wnext+=i,o.wnext===o.wsize&&(o.wnext=0),o.whave<o.wsize&&(o.whave+=i))),0}function p(t,e){var n,i,o,s,a,c,u,p,l,d,y,g,v,yt,gt,vt,mt,_t,wt,Et,bt,St,kt,It,Ot=0,Ft=new m.Buf8(4),Nt=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!t||!t.state||!t.output||!t.input&&0!==t.avail_in)return x;n=t.state,n.mode===X&&(n.mode=K),a=t.next_out,o=t.output,u=t.avail_out,s=t.next_in,i=t.input,c=t.avail_in,p=n.hold,l=n.bits,d=c,y=u,St=R;t:for(;;)switch(n.mode){case U:if(0===n.wrap){n.mode=K;break}for(;l<16;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(2&n.wrap&&35615===p){n.check=0,Ft[0]=255&p,Ft[1]=p>>>8&255,n.check=w(n.check,Ft,2,0),p=0,l=0,n.mode=M;break}if(n.flags=0,n.head&&(n.head.done=!1),!(1&n.wrap)||(((255&p)<<8)+(p>>8))%31){t.msg="incorrect header check",n.mode=pt;break}if((15&p)!==C){t.msg="unknown compression method",n.mode=pt;break}if(p>>>=4,l-=4,bt=(15&p)+8,0===n.wbits)n.wbits=bt;else if(bt>n.wbits){t.msg="invalid window size",n.mode=pt;break}n.dmax=1<<bt,t.adler=n.check=1,n.mode=512&p?Z:X,p=0,l=0;break;case M:for(;l<16;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(n.flags=p,(255&n.flags)!==C){t.msg="unknown compression method",n.mode=pt;break}if(57344&n.flags){t.msg="unknown header flags set",n.mode=pt;break}n.head&&(n.head.text=p>>8&1),512&n.flags&&(Ft[0]=255&p,Ft[1]=p>>>8&255,n.check=w(n.check,Ft,2,0)),p=0,l=0,n.mode=j;case j:for(;l<32;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}n.head&&(n.head.time=p),512&n.flags&&(Ft[0]=255&p,Ft[1]=p>>>8&255,Ft[2]=p>>>16&255,Ft[3]=p>>>24&255,n.check=w(n.check,Ft,4,0)),p=0,l=0,n.mode=B;case B:for(;l<16;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}n.head&&(n.head.xflags=255&p,n.head.os=p>>8),512&n.flags&&(Ft[0]=255&p,Ft[1]=p>>>8&255,n.check=w(n.check,Ft,2,0)),p=0,l=0,n.mode=z;case z:if(1024&n.flags){for(;l<16;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}n.length=p,n.head&&(n.head.extra_len=p),512&n.flags&&(Ft[0]=255&p,Ft[1]=p>>>8&255,n.check=w(n.check,Ft,2,0)),p=0,l=0}else n.head&&(n.head.extra=null);n.mode=q;case q:if(1024&n.flags&&(g=n.length,g>c&&(g=c),g&&(n.head&&(bt=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Array(n.head.extra_len)),m.arraySet(n.head.extra,i,s,g,bt)),512&n.flags&&(n.check=w(n.check,i,g,s)),c-=g,s+=g,n.length-=g),n.length))break t;n.length=0,n.mode=V;case V:if(2048&n.flags){if(0===c)break t;g=0;do bt=i[s+g++],n.head&&bt&&n.length<65536&&(n.head.name+=String.fromCharCode(bt));while(bt&&g<c);if(512&n.flags&&(n.check=w(n.check,i,g,s)),c-=g,s+=g,bt)break t}else n.head&&(n.head.name=null);n.length=0,n.mode=W;case W:if(4096&n.flags){if(0===c)break t;g=0;do bt=i[s+g++],n.head&&bt&&n.length<65536&&(n.head.comment+=String.fromCharCode(bt));while(bt&&g<c);if(512&n.flags&&(n.check=w(n.check,i,g,s)),c-=g,s+=g,bt)break t}else n.head&&(n.head.comment=null);n.mode=H;case H:if(512&n.flags){for(;l<16;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(p!==(65535&n.check)){t.msg="header crc mismatch",n.mode=pt;break}p=0,l=0}n.head&&(n.head.hcrc=n.flags>>9&1,n.head.done=!0),t.adler=n.check=0,n.mode=X;break;case Z:for(;l<32;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}t.adler=n.check=r(p),p=0,l=0,n.mode=Y;case Y:if(0===n.havedict)return t.next_out=a,t.avail_out=u,t.next_in=s,t.avail_in=c,n.hold=p,n.bits=l,T;t.adler=n.check=1,n.mode=X;case X:if(e===F||e===N)break t;case K:if(n.last){p>>>=7&l,l-=7&l,n.mode=ut;break}for(;l<3;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}switch(n.last=1&p,p>>>=1,l-=1,3&p){case 0:n.mode=J;break;case 1:if(f(n),n.mode=nt,e===N){p>>>=2,l-=2;break t}break;case 2:n.mode=$;break;case 3:t.msg="invalid block type",n.mode=pt}p>>>=2,l-=2;break;case J:for(p>>>=7&l,l-=7&l;l<32;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if((65535&p)!==(p>>>16^65535)){t.msg="invalid stored block lengths",n.mode=pt;break}if(n.length=65535&p,p=0,l=0,n.mode=G,e===N)break t;case G:n.mode=Q;case Q:if(g=n.length){if(g>c&&(g=c),g>u&&(g=u),0===g)break t;m.arraySet(o,i,s,g,a),c-=g,s+=g,u-=g,a+=g,n.length-=g;break}n.mode=X;break;case $:for(;l<14;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(n.nlen=(31&p)+257,p>>>=5,l-=5,n.ndist=(31&p)+1,p>>>=5,l-=5,n.ncode=(15&p)+4,p>>>=4,l-=4,n.nlen>286||n.ndist>30){t.msg="too many length or distance symbols",n.mode=pt;break}n.have=0,n.mode=tt;case tt:for(;n.have<n.ncode;){for(;l<3;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}n.lens[Nt[n.have++]]=7&p,p>>>=3,l-=3}for(;n.have<19;)n.lens[Nt[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,kt={bits:n.lenbits},St=b(S,n.lens,0,19,n.lencode,0,n.work,kt),n.lenbits=kt.bits,St){t.msg="invalid code lengths set",n.mode=pt;break}n.have=0,n.mode=et;case et:for(;n.have<n.nlen+n.ndist;){for(;Ot=n.lencode[p&(1<<n.lenbits)-1],gt=Ot>>>24,vt=Ot>>>16&255,mt=65535&Ot,!(gt<=l);){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(mt<16)p>>>=gt,l-=gt,n.lens[n.have++]=mt;else{if(16===mt){for(It=gt+2;l<It;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(p>>>=gt,l-=gt,0===n.have){t.msg="invalid bit length repeat",n.mode=pt;break}bt=n.lens[n.have-1],g=3+(3&p),p>>>=2,l-=2}else if(17===mt){for(It=gt+3;l<It;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}p>>>=gt,l-=gt,bt=0,g=3+(7&p),p>>>=3,l-=3}else{for(It=gt+7;l<It;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}p>>>=gt,l-=gt,bt=0,g=11+(127&p),p>>>=7,l-=7}if(n.have+g>n.nlen+n.ndist){t.msg="invalid bit length repeat",n.mode=pt;break}for(;g--;)n.lens[n.have++]=bt}}if(n.mode===pt)break;if(0===n.lens[256]){t.msg="invalid code -- missing end-of-block",n.mode=pt;break}if(n.lenbits=9,kt={bits:n.lenbits},St=b(k,n.lens,0,n.nlen,n.lencode,0,n.work,kt),n.lenbits=kt.bits,St){t.msg="invalid literal/lengths set",n.mode=pt;break}if(n.distbits=6,n.distcode=n.distdyn,kt={bits:n.distbits},St=b(I,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,kt),n.distbits=kt.bits,St){t.msg="invalid distances set",n.mode=pt;break}if(n.mode=nt,e===N)break t;case nt:n.mode=rt;case rt:if(c>=6&&u>=258){t.next_out=a,t.avail_out=u,t.next_in=s,t.avail_in=c,n.hold=p,n.bits=l,E(t,y),a=t.next_out,o=t.output,u=t.avail_out,s=t.next_in,i=t.input,c=t.avail_in,p=n.hold,l=n.bits,n.mode===X&&(n.back=-1);break}for(n.back=0;Ot=n.lencode[p&(1<<n.lenbits)-1],gt=Ot>>>24,vt=Ot>>>16&255,mt=65535&Ot,!(gt<=l);){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(vt&&0===(240&vt)){for(_t=gt,wt=vt,Et=mt;Ot=n.lencode[Et+((p&(1<<_t+wt)-1)>>_t)],gt=Ot>>>24,vt=Ot>>>16&255,mt=65535&Ot,!(_t+gt<=l);){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}p>>>=_t,l-=_t,n.back+=_t}if(p>>>=gt,l-=gt,n.back+=gt,n.length=mt,0===vt){n.mode=ct;break}if(32&vt){n.back=-1,n.mode=X;break}if(64&vt){t.msg="invalid literal/length code",n.mode=pt;break}n.extra=15&vt,n.mode=it;case it:if(n.extra){for(It=n.extra;l<It;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}n.length+=p&(1<<n.extra)-1,p>>>=n.extra,l-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=ot;case ot:for(;Ot=n.distcode[p&(1<<n.distbits)-1],gt=Ot>>>24,vt=Ot>>>16&255,mt=65535&Ot,!(gt<=l);){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(0===(240&vt)){for(_t=gt,wt=vt,Et=mt;Ot=n.distcode[Et+((p&(1<<_t+wt)-1)>>_t)],gt=Ot>>>24,vt=Ot>>>16&255,mt=65535&Ot,!(_t+gt<=l);){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}p>>>=_t,l-=_t,n.back+=_t}if(p>>>=gt,l-=gt,n.back+=gt,64&vt){t.msg="invalid distance code",n.mode=pt;break}n.offset=mt,n.extra=15&vt,n.mode=st;case st:if(n.extra){for(It=n.extra;l<It;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}n.offset+=p&(1<<n.extra)-1,p>>>=n.extra,l-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){t.msg="invalid distance too far back",n.mode=pt;break}n.mode=at;case at:if(0===u)break t;if(g=y-u,n.offset>g){if(g=n.offset-g,g>n.whave&&n.sane){t.msg="invalid distance too far back",n.mode=pt;break}g>n.wnext?(g-=n.wnext,v=n.wsize-g):v=n.wnext-g,g>n.length&&(g=n.length),yt=n.window}else yt=o,v=a-n.offset,g=n.length;g>u&&(g=u),u-=g,n.length-=g;do o[a++]=yt[v++];while(--g);0===n.length&&(n.mode=rt);break;case ct:if(0===u)break t;o[a++]=n.length,u--,n.mode=rt;break;case ut:if(n.wrap){for(;l<32;){if(0===c)break t;c--,p|=i[s++]<<l,l+=8}if(y-=u,t.total_out+=y,n.total+=y,y&&(t.adler=n.check=n.flags?w(n.check,o,y,a-y):_(n.check,o,y,a-y)),y=u,(n.flags?p:r(p))!==n.check){t.msg="incorrect data check",n.mode=pt;break}p=0,l=0}n.mode=ft;case ft:if(n.wrap&&n.flags){for(;l<32;){if(0===c)break t;c--,p+=i[s++]<<l,l+=8}if(p!==(4294967295&n.total)){t.msg="incorrect length check",n.mode=pt;break}p=0,l=0}n.mode=ht;case ht:St=L;break t;case pt:St=A;break t;case lt:return D;case dt:default:return x}return t.next_out=a,t.avail_out=u,t.next_in=s,t.avail_in=c,n.hold=p,n.bits=l,(n.wsize||y!==t.avail_out&&n.mode<pt&&(n.mode<ut||e!==O))&&h(t,t.output,t.next_out,y-t.avail_out)?(n.mode=lt,D):(d-=t.avail_in,y-=t.avail_out,t.total_in+=d,t.total_out+=y,n.total+=y,n.wrap&&y&&(t.adler=n.check=n.flags?w(n.check,o,y,t.next_out-y):_(n.check,o,y,t.next_out-y)),t.data_type=n.bits+(n.last?64:0)+(n.mode===X?128:0)+(n.mode===nt||n.mode===G?256:0),(0===d&&0===y||e===O)&&St===R&&(St=P),St)}function l(t){if(!t||!t.state)return x;var e=t.state;return e.window&&(e.window=null),t.state=null,R}function d(t,e){var n;return t&&t.state?(n=t.state,0===(2&n.wrap)?x:(n.head=e,e.done=!1,R)):x}function y(t,e){var n,r,i,o=e.length;return t&&t.state?(n=t.state,0!==n.wrap&&n.mode!==Y?x:n.mode===Y&&(r=1,r=_(r,e,o,0),r!==n.check)?A:(i=h(t,e,o,o))?(n.mode=lt,D):(n.havedict=1,R)):x}var 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