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Ie(t)},Ie.prototype.getFlagString=function(){return this.flagStr},Ie.prototype.isReadable=function(){return this.flagStr.indexOf("r")!==-1||this.flagStr.indexOf("+")!==-1},Ie.prototype.isWriteable=function(){return this.flagStr.indexOf("w")!==-1||this.flagStr.indexOf("a")!==-1||this.flagStr.indexOf("+")!==-1},Ie.prototype.isTruncating=function(){return this.flagStr.indexOf("w")!==-1},Ie.prototype.isAppendable=function(){return this.flagStr.indexOf("a")!==-1},Ie.prototype.isSynchronous=function(){return this.flagStr.indexOf("s")!==-1},Ie.prototype.isExclusive=function(){return this.flagStr.indexOf("x")!==-1},Ie.prototype.pathExistsAction=function(){return this.isExclusive()?Ee.THROW_EXCEPTION:this.isTruncating()?Ee.TRUNCATE_FILE:Ee.NOP},Ie.prototype.pathNotExistsAction=function(){return(this.isWriteable()||this.isAppendable())&&"r+"!==this.flagStr?Ee.CREATE_FILE:Ee.THROW_EXCEPTION},Ie.flagCache={},Ie.validFlagStrs=["r","r+","rs","rs+","w","wx","w+","wx+","a","ax","a+","ax+"];var Oe;!function(t){t[t.FILE=32768]="FILE",t[t.DIRECTORY=16384]="DIRECTORY",t[t.SYMLINK=40960]="SYMLINK"}(Oe||(Oe={}));var Fe=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 Oe.FILE:this.mode=420;break;case Oe.DIRECTORY:default:this.mode=511}this.blocks=Math.ceil(e/512),this.mode<4096&&(this.mode|=t)};Fe.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 Fe(61440&n,e,4095&n,new Date(r),new Date(i),new Date(o))},Fe.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},Fe.prototype.clone=function(){return new Fe(61440&this.mode,this.size,4095&this.mode,this.atime,this.mtime,this.ctime)},Fe.prototype.isFile=function(){return(61440&this.mode)===Oe.FILE},Fe.prototype.isDirectory=function(){return(61440&this.mode)===Oe.DIRECTORY},Fe.prototype.isSymbolicLink=function(){return(61440&this.mode)===Oe.SYMLINK},Fe.prototype.chmod=function(t){this.mode=61440&this.mode|t},Fe.prototype.isSocket=function(){return!1},Fe.prototype.isBlockDevice=function(){return!1},Fe.prototype.isCharacterDevice=function(){return!1},Fe.prototype.isFIFO=function(){return!1};var Re=function(t,e){return t},Ne=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};Ne.prototype.initialize=function(t){if(!t.constructor.isAvailable())throw new be(ve.EINVAL,"Tried to instantiate BrowserFS with an unavailable file system.");return this.root=t},Ne.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)},Ne.prototype.getRootFS=function(){return this.root?this.root:null},Ne.prototype.rename=function(t,e,n){void 0===n&&(n=h);var r=Re(n,1);try{s(this.root).rename(u(t),u(e),r)}catch(t){r(t)}},Ne.prototype.renameSync=function(t,e){s(this.root).renameSync(u(t),u(e))},Ne.prototype.exists=function(t,e){void 0===e&&(e=h);var n=Re(e,1);try{return s(this.root).exists(u(t),n)}catch(t){return n(!1)}},Ne.prototype.existsSync=function(t){try{return s(this.root).existsSync(u(t))}catch(t){return!1}},Ne.prototype.stat=function(t,e){void 0===e&&(e=h);var n=Re(e,2);try{return s(this.root).stat(u(t),!1,n)}catch(t){return n(t)}},Ne.prototype.statSync=function(t){return s(this.root).statSync(u(t),!1)},Ne.prototype.lstat=function(t,e){void 0===e&&(e=h);var n=Re(e,2);try{return s(this.root).stat(u(t),!0,n)}catch(t){return n(t)}},Ne.prototype.lstatSync=function(t){return s(this.root).statSync(u(t),!0)},Ne.prototype.truncate=function(t,e,n){void 0===e&&(e=0),void 0===n&&(n=h);var r=0;"function"==typeof e?n=e:"number"==typeof e&&(r=e);var i=Re(n,1);try{if(r<0)throw new be(ve.EINVAL);return s(this.root).truncate(u(t),r,i)}catch(t){return i(t)}},Ne.prototype.truncateSync=function(t,e){if(void 0===e&&(e=0),e<0)throw new be(ve.EINVAL);return s(this.root).truncateSync(u(t),e)},Ne.prototype.unlink=function(t,e){void 0===e&&(e=h);var n=Re(e,1);try{return s(this.root).unlink(u(t),n)}catch(t){return n(t)}},Ne.prototype.unlinkSync=function(t){return s(this.root).unlinkSync(u(t))},Ne.prototype.open=function(t,e,n,r){var i=this;void 0===r&&(r=h);var o=a(n,420);r="function"==typeof n?n:r;var c=Re(r,2);try{s(this.root).open(u(t),Ie.getFileFlag(e),o,function(t,e){e?c(t,i.getFdForFile(e)):c(t)})}catch(t){c(t)}},Ne.prototype.openSync=function(t,e,n){return void 0===n&&(n=420),this.getFdForFile(s(this.root).openSync(u(t),Ie.getFileFlag(e),a(n,420)))},Ne.prototype.readFile=function(t,e,n){void 0===e&&(e={}),void 0===n&&(n=h);var r=f(e,null,"r",null);n="function"==typeof e?e:n;var i=Re(n,2);try{var o=Ie.getFileFlag(r.flag);return o.isReadable()?s(this.root).readFile(u(t),r.encoding,o,i):i(new be(ve.EINVAL,"Flag passed to readFile must allow for reading."))}catch(t){return i(t)}},Ne.prototype.readFileSync=function(t,e){void 0===e&&(e={});var n=f(e,null,"r",null),r=Ie.getFileFlag(n.flag);if(!r.isReadable())throw new be(ve.EINVAL,"Flag passed to readFile must allow for reading.");return s(this.root).readFileSync(u(t),n.encoding,r)},Ne.prototype.writeFile=function(t,e,n,r){void 0===n&&(n={}),void 0===r&&(r=h);var i=f(n,"utf8","w",420);r="function"==typeof n?n:r;var o=Re(r,1);try{var a=Ie.getFileFlag(i.flag);return a.isWriteable()?s(this.root).writeFile(u(t),e,i.encoding,a,i.mode,o):o(new be(ve.EINVAL,"Flag passed to writeFile must allow for writing."))}catch(t){return o(t)}},Ne.prototype.writeFileSync=function(t,e,n){var r=f(n,"utf8","w",420),i=Ie.getFileFlag(r.flag);if(!i.isWriteable())throw new be(ve.EINVAL,"Flag passed to writeFile must allow for writing.");return s(this.root).writeFileSync(u(t),e,r.encoding,i,r.mode)},Ne.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=Re(r,1);try{var a=Ie.getFileFlag(i.flag);if(!a.isAppendable())return o(new be(ve.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)}},Ne.prototype.appendFileSync=function(t,e,n){var r=f(n,"utf8","a",420),i=Ie.getFileFlag(r.flag);if(!i.isAppendable())throw new be(ve.EINVAL,"Flag passed to appendFile must allow for appending.");return s(this.root).appendFileSync(u(t),e,r.encoding,i,r.mode)},Ne.prototype.fstat=function(t,e){void 0===e&&(e=h);var n=Re(e,2);try{var r=this.fd2file(t);r.stat(n)}catch(t){n(t)}},Ne.prototype.fstatSync=function(t){return this.fd2file(t).statSync()},Ne.prototype.close=function(t,e){var n=this;void 0===e&&(e=h);var r=Re(e,1);try{this.fd2file(t).close(function(e){e||n.closeFd(t),r(e)})}catch(t){r(t)}},Ne.prototype.closeSync=function(t){this.fd2file(t).closeSync(),this.closeFd(t)},Ne.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=Re(n,1);try{var o=this.fd2file(t);if(r<0)throw new be(ve.EINVAL);o.truncate(r,i)}catch(t){i(t)}},Ne.prototype.ftruncateSync=function(t,e){void 0===e&&(e=0);var n=this.fd2file(t);if(e<0)throw new be(ve.EINVAL);n.truncateSync(e)},Ne.prototype.fsync=function(t,e){void 0===e&&(e=h);var n=Re(e,1);try{this.fd2file(t).sync(n)}catch(t){n(t)}},Ne.prototype.fsyncSync=function(t){this.fd2file(t).syncSync()},Ne.prototype.fdatasync=function(t,e){void 0===e&&(e=h);var n=Re(e,1);try{this.fd2file(t).datasync(n)}catch(t){n(t)}},Ne.prototype.fdatasyncSync=function(t){this.fd2file(t).datasyncSync()},Ne.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 l="utf8";switch(typeof r){case"function":s=r;break;case"number":f=r,l="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 be(ve.EINVAL,"Invalid arguments."))}a=t.from(n,l),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 p=Re(s,3);try{var d=this.fd2file(e);void 0!==f&&null!==f||(f=d.getPos()),d.write(a,c,u,f,p)}catch(t){p(t)}},Ne.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)},Ne.prototype.read=function(e,n,r,i,o,s){void 0===s&&(s=h);var a,c,u,f,l;if("number"==typeof n){u=n,a=r;var p=i;s="function"==typeof o?o:s,c=0,f=t.alloc(u),l=Re(function(t,e,n){return t?s(t):void s(t,n.toString(p),e)},3)}else f=n,c=r,u=i,a=o,l=Re(s,3);try{var d=this.fd2file(e);void 0!==a&&null!==a||(a=d.getPos()),d.read(f,c,u,a,l)}catch(t){l(t)}},Ne.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 l=this.fd2file(e);void 0!==u&&null!==u||(u=l.getPos());var p=l.readSync(s,a,c,u);return f?[s.toString(h),p]:p},Ne.prototype.fchown=function(t,e,n,r){void 0===r&&(r=h);var i=Re(r,1);try{this.fd2file(t).chown(e,n,i)}catch(t){i(t)}},Ne.prototype.fchownSync=function(t,e,n){this.fd2file(t).chownSync(e,n)},Ne.prototype.fchmod=function(t,e,n){var r=Re(n,1);try{var i="string"==typeof e?parseInt(e,8):e;this.fd2file(t).chmod(i,r)}catch(t){r(t)}},Ne.prototype.fchmodSync=function(t,e){var n="string"==typeof e?parseInt(e,8):e;this.fd2file(t).chmodSync(n)},Ne.prototype.futimes=function(t,e,n,r){void 0===r&&(r=h);var i=Re(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)}},Ne.prototype.futimesSync=function(t,e,n){this.fd2file(t).utimesSync(c(e),c(n))},Ne.prototype.rmdir=function(t,e){void 0===e&&(e=h);var n=Re(e,1);try{t=u(t),s(this.root).rmdir(t,n)}catch(t){n(t)}},Ne.prototype.rmdirSync=function(t){return t=u(t),s(this.root).rmdirSync(t)},Ne.prototype.mkdir=function(t,e,n){void 0===n&&(n=h),"function"==typeof e&&(n=e,e=511);var r=Re(n,1);try{t=u(t),s(this.root).mkdir(t,e,r)}catch(t){r(t)}},Ne.prototype.mkdirSync=function(t,e){s(this.root).mkdirSync(u(t),a(e,511))},Ne.prototype.readdir=function(t,e){void 0===e&&(e=h);var n=Re(e,2);try{t=u(t),s(this.root).readdir(t,n)}catch(t){n(t)}},Ne.prototype.readdirSync=function(t){return t=u(t),s(this.root).readdirSync(t)},Ne.prototype.link=function(t,e,n){void 0===n&&(n=h);var r=Re(n,1);try{t=u(t),e=u(e),s(this.root).link(t,e,r)}catch(t){r(t)}},Ne.prototype.linkSync=function(t,e){return t=u(t),e=u(e),s(this.root).linkSync(t,e)},Ne.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=Re(r,1);try{if("file"!==i&&"dir"!==i)return o(new be(ve.EINVAL,"Invalid type: "+i));t=u(t),e=u(e),s(this.root).symlink(t,e,i,o)}catch(t){o(t)}},Ne.prototype.symlinkSync=function(t,e,n){if(n){if("file"!==n&&"dir"!==n)throw new be(ve.EINVAL,"Invalid type: "+n)}else n="file";return t=u(t),e=u(e),s(this.root).symlinkSync(t,e,n)},Ne.prototype.readlink=function(t,e){void 0===e&&(e=h);var n=Re(e,2);try{t=u(t),s(this.root).readlink(t,n)}catch(t){n(t)}},Ne.prototype.readlinkSync=function(t){return t=u(t),s(this.root).readlinkSync(t)},Ne.prototype.chown=function(t,e,n,r){void 0===r&&(r=h);var i=Re(r,1);try{t=u(t),s(this.root).chown(t,!1,e,n,i)}catch(t){i(t)}},Ne.prototype.chownSync=function(t,e,n){t=u(t),s(this.root).chownSync(t,!1,e,n)},Ne.prototype.lchown=function(t,e,n,r){void 0===r&&(r=h);var i=Re(r,1);try{t=u(t),s(this.root).chown(t,!0,e,n,i)}catch(t){i(t)}},Ne.prototype.lchownSync=function(t,e,n){t=u(t),s(this.root).chownSync(t,!0,e,n)},Ne.prototype.chmod=function(t,e,n){void 0===n&&(n=h);var r=Re(n,1);try{var i=a(e,-1);if(i<0)throw new be(ve.EINVAL,"Invalid mode.");s(this.root).chmod(u(t),!1,i,r)}catch(t){r(t)}},Ne.prototype.chmodSync=function(t,e){var n=a(e,-1);if(n<0)throw new be(ve.EINVAL,"Invalid mode.");t=u(t),s(this.root).chmodSync(t,!1,n)},Ne.prototype.lchmod=function(t,e,n){void 0===n&&(n=h);var r=Re(n,1);try{var i=a(e,-1);if(i<0)throw new be(ve.EINVAL,"Invalid mode.");s(this.root).chmod(u(t),!0,i,r)}catch(t){r(t)}},Ne.prototype.lchmodSync=function(t,e){var n=a(e,-1);if(n<1)throw new be(ve.EINVAL,"Invalid mode.");s(this.root).chmodSync(u(t),!0,n)},Ne.prototype.utimes=function(t,e,n,r){void 0===r&&(r=h);var i=Re(r,1);try{s(this.root).utimes(u(t),c(e),c(n),i)}catch(t){i(t)}},Ne.prototype.utimesSync=function(t,e,n){s(this.root).utimesSync(u(t),c(e),c(n))},Ne.prototype.realpath=function(t,e,n){void 0===n&&(n=h);var r="object"==typeof e?e:{};n="function"==typeof e?e:h;var i=Re(n,2);try{t=u(t),s(this.root).realpath(t,r,i)}catch(t){i(t)}},Ne.prototype.realpathSync=function(t,e){return void 0===e&&(e={}),t=u(t),s(this.root).realpathSync(t,e)},Ne.prototype.watchFile=function(t,e,n){throw void 0===n&&(n=h),
2
new be(ve.ENOTSUP)},Ne.prototype.unwatchFile=function(t,e){throw void 0===e&&(e=h),new be(ve.ENOTSUP)},Ne.prototype.watch=function(t,e,n){throw void 0===n&&(n=h),new be(ve.ENOTSUP)},Ne.prototype.access=function(t,e,n){throw void 0===n&&(n=h),new be(ve.ENOTSUP)},Ne.prototype.accessSync=function(t,e){throw new be(ve.ENOTSUP)},Ne.prototype.createReadStream=function(t,e){throw new be(ve.ENOTSUP)},Ne.prototype.createWriteStream=function(t,e){throw new be(ve.ENOTSUP)},Ne.prototype.wrapCallbacks=function(t){Re=t},Ne.prototype.getFdForFile=function(t){var e=this.nextFd++;return this.fdMap[e]=t,e},Ne.prototype.fd2file=function(t){var e=this.fdMap[t];if(e)return e;throw new be(ve.EBADF,"Invalid file descriptor.")},Ne.prototype.closeFd=function(t){delete this.fdMap[t]},Ne.Stats=Fe;var Te=new Ne,Le={},Ae=Ne.prototype;Object.keys(Ae).forEach(function(t){"function"==typeof Te[t]?Le[t]=function(){return 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e=this.FS;try{e.isFile(t.node.mode)&&t.nfd&&this.nodefs.closeSync(t.nfd)}catch(t){if(!t.code)throw t;throw new e.ErrnoError(this.ERRNO_CODES[t.code])}},Ue.prototype.read=function(t,e,n,r,i){try{return this.nodefs.readSync(t.nfd,v(e),n,r,i)}catch(t){throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},Ue.prototype.write=function(t,e,n,r,i){try{return this.nodefs.writeSync(t.nfd,v(e),n,r,i)}catch(t){throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},Ue.prototype.llseek=function(t,e,n){var r=e;if(1===n)r+=t.position;else if(2===n&&this.FS.isFile(t.node.mode))try{var i=this.nodefs.fstatSync(t.nfd);r+=i.size}catch(t){throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}if(r<0)throw new this.FS.ErrnoError(this.ERRNO_CODES.EINVAL);return t.position=r,r};var Me=function(t){this.fs=t,this.nodefs=t.getNodeFS(),this.FS=t.getFS(),this.PATH=t.getPATH(),this.ERRNO_CODES=t.getERRNO_CODES()};Me.prototype.getattr=function(t){var 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Please use 'HTML5FS.Create({type: "+this.type+", size: "+this.size+"}, cb)' to create and allocate HTML5FS instances.");var r=function(e){n.fs=e,t()},i=function(e){t(It(e,"/",!0))};this.type===Jr.PERSISTENT?bt(this.type,this.size,function(t){Gr(n.type,t,r,i)},i):Gr(this.type,this.size,r,i)},e.prototype.empty=function(t){this._readdir("/",function(e,n){if(e)console.error("Failed to empty FS"),t(e);else{var r=function(n){e?(console.error("Failed to empty FS"),t(e)):t()},i=function(t,e){var n=function(){e()},r=function(n){e(It(n,t.fullPath,!t.isDirectory))};Et(t)?t.removeRecursively(n,r):t.remove(n,r)};pt(n,i,r)}})},e.prototype.rename=function(t,e,n){var r=this,i=2,o=0,s=this.fs.root,a=t,c=function(t){--i<=0&&n(It(t,a,!1))},u=function(i){return 2===++o?n(new be(ve.EINVAL,"Something was identified as both a file and a directory. 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c=i._makeFile(t,n,e,s,a.result);r(null,c)},a.onerror=function(t){o(a.error)},a.readAsArrayBuffer(s)},o)},o)},e.prototype.unlink=function(t,e){this._remove(t,e,!0)},e.prototype.rmdir=function(t,e){var n=this;this.readdir(t,function(r,i){r?e(r):i.length>0?e(be.ENOTEMPTY(t)):n._remove(t,e,!1)})},e.prototype.mkdir=function(t,e,n){var r={create:!0,exclusive:!0},i=function(t){n()},o=function(e){n(It(e,t,!0))};this.fs.root.getDirectory(t,r,i,o)},e.prototype.readdir=function(t,e){this._readdir(t,function(t,n){if(t)return e(t);for(var r=[],i=0;i<n.length;i++)r.push(n[i].name);e(null,r)})},e.prototype._makeFile=function(t,e,n,r,i){void 0===i&&(i=new ArrayBuffer(0));var o=new Fe(Oe.FILE,r.size),s=w(i);return new Qr(this,e,t,n,o,s)},e.prototype._readdir=function(t,e){var n=function(n){e(It(n,t,!0))};this.fs.root.getDirectory(t,{create:!1},function(t){var r=t.createReader(),i=[],o=function(){r.readEntries(function(t){t.length?(i=i.concat(kt(t)),o()):e(null,i)},n)};o()},n)},e.prototype._remove=function(t,e,n){var r=function(r){var i=function(){e()},o=function(r){e(It(r,t,!n))};r.remove(i,o)},i=function(r){e(It(r,t,!n))},o={create:!1};n?this.fs.root.getFile(t,o,r,i):this.fs.root.getDirectory(t,o,r,i)},e}(Be),ti=function(t,e,n,r,i,o){this.id=t,this.size=e,this.mode=n,this.atime=r,this.mtime=i,this.ctime=o};ti.fromBuffer=function(t){if(void 0===t)throw new Error("NO");return new ti(t.toString("ascii",30),t.readUInt32LE(0),t.readUInt16LE(4),t.readDoubleLE(6),t.readDoubleLE(14),t.readDoubleLE(22))},ti.prototype.toStats=function(){return new Fe((61440&this.mode)===Oe.DIRECTORY?Oe.DIRECTORY:Oe.FILE,this.size,this.mode,new Date(this.atime),new Date(this.mtime),new Date(this.ctime))},ti.prototype.getSize=function(){return 30+this.id.length},ti.prototype.toBuffer=function(e){return void 0===e&&(e=t.alloc(this.getSize())),e.writeUInt32LE(this.size,0),e.writeUInt16LE(this.mode,4),e.writeDoubleLE(this.atime,6),e.writeDoubleLE(this.mtime,14),e.writeDoubleLE(this.ctime,22),e.write(this.id,30,this.id.length,"ascii"),e},ti.prototype.update=function(t){var e=!1;this.size!==t.size&&(this.size=t.size,e=!0),this.mode!==t.mode&&(this.mode=t.mode,e=!0);var n=t.atime.getTime();this.atime!==n&&(this.atime=n,e=!0);var r=t.mtime.getTime();this.mtime!==r&&(this.mtime=r,e=!0);var i=t.ctime.getTime();return this.ctime!==i&&(this.ctime=i,e=!0),e},ti.prototype.isFile=function(){return(61440&this.mode)===Oe.FILE},ti.prototype.isDirectory=function(){return(61440&this.mode)===Oe.DIRECTORY};var ei="/",ni=null,ri=function(t){this.store=t,this.originalData={},this.modifiedKeys=[]};ri.prototype.get=function(t){var e=this.store.get(t);return this.stashOldValue(t,e),e},ri.prototype.put=function(t,e,n){return this.markModified(t),this.store.put(t,e,n)},ri.prototype.del=function(t){this.markModified(t),this.store.del(t)},ri.prototype.commit=function(){},ri.prototype.abort=function(){for(var t=this,e=0;e<this.modifiedKeys.length;e++){var n=t.modifiedKeys[e],r=t.originalData[n];r?t.store.put(n,r,!0):t.store.del(n)}},ri.prototype.stashOldValue=function(t,e){this.originalData.hasOwnProperty(t)||(this.originalData[t]=e)},ri.prototype.markModified=function(t){this.modifiedKeys.indexOf(t)===-1&&(this.modifiedKeys.push(t),this.originalData.hasOwnProperty(t)||(this.originalData[t]=this.store.get(t)))};var ii=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.syncSync=function(){this.isDirty()&&(this._fs._syncSync(this.getPath(),this.getBuffer(),this.getStats()),this.resetDirty())},e.prototype.closeSync=function(){this.syncSync()},e}(qe),oi=function(e){function n(t){e.call(this),this.store=t.store,this.makeRootDirectory()}return e&&(n.__proto__=e),n.prototype=Object.create(e&&e.prototype),n.prototype.constructor=n,n.isAvailable=function(){return!0},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!0},n.prototype.empty=function(){this.store.clear(),this.makeRootDirectory()},n.prototype.renameSync=function(e,n){var r=this.store.beginTransaction("readwrite"),i=me.dirname(e),o=me.basename(e),s=me.dirname(n),a=me.basename(n),c=this.findINode(r,i),u=this.getDirListing(r,i,c);if(!u[o])throw be.ENOENT(e);var f=u[o];if(delete u[o],0===(s+"/").indexOf(e+"/"))throw new be(ve.EBUSY,i);var h,l;if(s===i?(h=c,l=u):(h=this.findINode(r,s),l=this.getDirListing(r,s,h)),l[a]){var p=this.getINode(r,n,l[a]);if(!p.isFile())throw be.EPERM(n);try{r.del(p.id),r.del(l[a])}catch(t){throw r.abort(),t}}l[a]=f;try{r.put(c.id,t.from(JSON.stringify(u)),!0),r.put(h.id,t.from(JSON.stringify(l)),!0)}catch(t){throw r.abort(),t}r.commit()},n.prototype.statSync=function(t,e){return this.findINode(this.store.beginTransaction("readonly"),t).toStats()},n.prototype.createFileSync=function(t,e,n){var r=this.store.beginTransaction("readwrite"),i=S(),o=this.commitNewFile(r,t,Oe.FILE,n,i);return new ii(this,t,e,o.toStats(),i)},n.prototype.openFileSync=function(t,e){var n=this.store.beginTransaction("readonly"),r=this.findINode(n,t),i=n.get(r.id);if(void 0===i)throw be.ENOENT(t);return new ii(this,t,e,r.toStats(),i)},n.prototype.unlinkSync=function(t){this.removeEntry(t,!1)},n.prototype.rmdirSync=function(t){if(this.readdirSync(t).length>0)throw be.ENOTEMPTY(t);this.removeEntry(t,!0)},n.prototype.mkdirSync=function(e,n){var r=this.store.beginTransaction("readwrite"),i=t.from("{}");this.commitNewFile(r,e,Oe.DIRECTORY,n,i)},n.prototype.readdirSync=function(t){var e=this.store.beginTransaction("readonly");return Object.keys(this.getDirListing(e,t,this.findINode(e,t)))},n.prototype._syncSync=function(t,e,n){var r=this.store.beginTransaction("readwrite"),i=this._findINode(r,me.dirname(t),me.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(ei)){var e=(new Date).getTime(),n=new ti(Ft(),4096,511|Oe.DIRECTORY,e,e,e);t.put(n.id,Ot(),!1),t.put(ei,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 be.ENOENT(me.resolve(e,n))};return"/"===e?""===n?ei:i(this.getINode(t,e,ei)):i(this.getINode(t,e+me.sep+n,this._findINode(t,me.dirname(e),me.basename(e))))},n.prototype.findINode=function(t,e){return this.getINode(t,e,this._findINode(t,me.dirname(e),me.basename(e)))},n.prototype.getINode=function(t,e,n){var r=t.get(n);if(void 0===r)throw be.ENOENT(e);return ti.fromBuffer(r)},n.prototype.getDirListing=function(t,e,n){if(!n.isDirectory())throw be.ENOTDIR(e);var r=t.get(n.id);if(void 0===r)throw be.ENOENT(e);return JSON.parse(r.toString())},n.prototype.addNewNode=function(t,e){for(var n,r=0;r<5;)try{return n=Ft(),t.put(n,e,!1),n}catch(t){}throw new be(ve.EIO,"Unable to commit data to key-value store.")},n.prototype.commitNewFile=function(e,n,r,i,o){var s=me.dirname(n),a=me.basename(n),c=this.findINode(e,s),u=this.getDirListing(e,s,c),f=(new Date).getTime();if("/"===n)throw be.EEXIST(n);if(u[a])throw be.EEXIST(n);var h;try{var l=this.addNewNode(e,o);h=new ti(l,o.length,i|r,f,f,f);var p=this.addNewNode(e,h.toBuffer());u[a]=p,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=me.dirname(e),o=this.findINode(r,i),s=this.getDirListing(r,i,o),a=me.basename(e);if(!s[a])throw be.ENOENT(e);var c=s[a];delete s[a];var u=this.getINode(r,e,c);if(!n&&u.isDirectory())throw be.EISDIR(e);if(n&&!u.isDirectory())throw be.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}(ze),si=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}(qe),ai=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){Rt(n,t)&&e.makeRootDirectory(t)})},n.prototype.rename=function(e,n,r){var i=this,o=this.store.beginTransaction("readwrite"),s=me.dirname(e),a=me.basename(e),c=me.dirname(n),u=me.basename(n),f={},h={},l=!1;if(0===(c+"/").indexOf(e+"/"))return r(new be(ve.EBUSY,s));var p=function(){if(!l&&h.hasOwnProperty(s)&&h.hasOwnProperty(c)){var p=h[s],d=f[s],y=h[c],g=f[c];if(p[a]){var _=p[a];delete p[a];var v=function(){y[u]=_,o.put(d.id,t.from(JSON.stringify(p)),!0,function(e){Nt(e,o,r)&&(s===c?o.commit(r):o.put(g.id,t.from(JSON.stringify(y)),!0,function(t){Nt(t,o,r)&&o.commit(r)}))})};y[u]?i.getINode(o,n,y[u],function(t,e){Nt(t,o,r)&&(e.isFile()?o.del(e.id,function(t){Nt(t,o,r)&&o.del(y[u],function(t){Nt(t,o,r)&&v()})}):o.abort(function(t){r(be.EPERM(n))}))}):v()}else r(be.ENOENT(e))}},d=function(t){i.findINodeAndDirListing(o,t,function(e,n,i){e?l||(l=!0,o.abort(function(){r(e)})):(f[t]=n,h[t]=i,p())})};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){Rt(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,Oe.FILE,n,s,function(n,o){Rt(n,r)&&r(null,new si(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){Rt(o,n)&&i.get(s.id,function(i,o){Rt(i,n)&&(void 0===o?n(be.ENOENT(t)):n(null,new si(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(be.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,Oe.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){Rt(i,e)&&n.getDirListing(r,t,o,function(t,n){Rt(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,me.dirname(t),me.basename(t),function(s,a){Nt(s,o,r)&&i.getINode(o,t,a,function(t,i){if(Nt(t,o,r)){var s=i.update(n);o.put(i.id,e,!0,function(t){Nt(t,o,r)&&(s?o.put(a,i.toBuffer(),!0,function(t){Nt(t,o,r)&&o.commit(r)}):o.commit(r))})}})})},n.prototype.makeRootDirectory=function(t){var e=this.store.beginTransaction("readwrite");e.get(ei,function(n,r){if(n||void 0===r){var i=(new Date).getTime(),o=new ti(Ft(),4096,511|Oe.DIRECTORY,i,i,i);e.put(o.id,Ot(),!1,function(n){Nt(n,e,t)&&e.put(ei,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(be.ENOENT(me.resolve(e,n)))};"/"===e?""===n?r(null,ei):this.getINode(t,e,ei,function(n,s){Rt(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,me.dirname(e),me.basename(e),function(i,o){Rt(i,n)&&r.getINode(t,e,o,n)})},n.prototype.getINode=function(t,e,n,r){t.get(n,function(t,n){Rt(t,r)&&(void 0===n?r(be.ENOENT(e)):r(null,ti.fromBuffer(n)))})},n.prototype.getDirListing=function(t,e,n,r){n.isDirectory()?t.get(n.id,function(t,n){if(Rt(t,r))try{r(null,JSON.parse(n.toString()))}catch(t){r(be.ENOENT(e))}}):r(be.ENOTDIR(e))},n.prototype.findINodeAndDirListing=function(t,e,n){var r=this;this.findINode(t,e,function(i,o){Rt(i,n)&&r.getDirListing(t,e,o,function(t,e){Rt(t,n)&&n(null,o,e)})})},n.prototype.addNewNode=function(t,e,n){var r,i=0,o=function(){5===++i?n(new be(ve.EIO,"Unable to commit data to key-value store.")):(r=Ft(),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=me.dirname(n),u=me.basename(n),f=(new Date).getTime();return"/"===n?s(be.EEXIST(n)):void this.findINodeAndDirListing(e,c,function(c,h,l){Nt(c,e,s)&&(l[u]?e.abort(function(){s(be.EEXIST(n))}):a.addNewNode(e,o,function(n,c){if(Nt(n,e,s)){var p=new ti(c,o.length,i|r,f,f,f);a.addNewNode(e,p.toBuffer(),function(n,r){Nt(n,e,s)&&(l[u]=r,e.put(h.id,t.from(JSON.stringify(l)),!0,function(t){Nt(t,e,s)&&e.commit(function(t){Nt(t,e,s)&&s(null,p)})}))})}}))})},n.prototype.removeEntry=function(e,n,r){var i=this,o=this.store.beginTransaction("readwrite"),s=me.dirname(e),a=me.basename(e);this.findINodeAndDirListing(o,s,function(s,c,u){if(Nt(s,o,r))if(u[a]){var f=u[a];delete u[a],i.getINode(o,e,f,function(i,s){Nt(i,o,r)&&(!n&&s.isDirectory()?o.abort(function(){r(be.EISDIR(e))}):n&&!s.isDirectory()?o.abort(function(){r(be.ENOTDIR(e))}):o.del(s.id,function(e){Nt(e,o,r)&&o.del(f,function(e){Nt(e,o,r)&&o.put(c.id,t.from(JSON.stringify(u)),!0,function(t){Nt(t,o,r)&&o.commit(r)})})}))})}else o.abort(function(){r(be.ENOENT(e))})})},n}(Be),ci=function(){this.store={}};ci.prototype.name=function(){return"In-memory"},ci.prototype.clear=function(){this.store={}},ci.prototype.beginTransaction=function(t){return new ri(this)},ci.prototype.get=function(t){return this.store[t]},ci.prototype.put=function(t,e,n){return!(!n&&this.store.hasOwnProperty(t))&&(this.store[t]=e,!0)},ci.prototype.del=function(t){delete this.store[t]};var ui=function(t){function e(){t.call(this,{store:new ci})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){var r=n?n:t;r(null,new e)},e}(oi),fi=Jr.indexedDB||Jr.mozIndexedDB||Jr.webkitIndexedDB||Jr.msIndexedDB,hi=function(t,e){this.tx=t,this.store=e};hi.prototype.get=function(t,e){try{var n=this.store.get(t);n.onerror=Lt(e),n.onsuccess=function(t){var n=t.target.result;void 0===n?e(null,n):e(null,w(n))}}catch(t){e(Tt(t))}};var li=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=y(e);i=n?this.store.put(o,t):this.store.add(o,t),i.onerror=Lt(r),i.onsuccess=function(t){r(null,!0)}}catch(t){r(Tt(t))}},e.prototype.del=function(t,e){try{var n=this.store.delete(t);n.onerror=Lt(e),n.onsuccess=function(t){e()}}catch(t){e(Tt(t))}},e.prototype.commit=function(t){setTimeout(t,0)},e.prototype.abort=function(t){var e=null;try{this.tx.abort()}catch(t){e=Tt(t)}finally{t(e)}},e}(hi),pi=function(t,e){var n=this;void 0===e&&(e="browserfs"),this.storeName=e;var r=fi.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=Lt(t,ve.EACCES)};pi.prototype.name=function(){return"IndexedDB - "+this.storeName},pi.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=Lt(t)}catch(e){t(Tt(e))}},pi.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 li(e,n);if("readonly"===t)return new hi(e,n);throw new be(ve.EINVAL,"Invalid transaction type.")};var di,yi=function(t){function e(e,n,r){var i=this;void 0===r&&(r=!0),t.call(this),this.store=new pi(function(t){t?e(t):i.init(i.store,function(t){e(t,i)})},n),l(r,"IndexedDB",{storeName:n})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){var r=n?n:t;new e(r,n&&t?t.storeName:void 0,!1)},e.isAvailable=function(){try{return"undefined"!=typeof fi&&null!==fi.open("__browserfs_test__")}catch(t){return!1}},e}(ai),gi=!1;try{Jr.localStorage.setItem("__test__",String.fromCharCode(55296)),gi=Jr.localStorage.getItem("__test__")===String.fromCharCode(55296)}catch(t){gi=!1}di=gi?"binary_string":"binary_string_ie",t.isEncoding(di)||(di="base64");var _i=function(){};_i.prototype.name=function(){return"LocalStorage"},_i.prototype.clear=function(){Jr.localStorage.clear()},_i.prototype.beginTransaction=function(t){return new ri(this)},_i.prototype.get=function(e){try{var n=Jr.localStorage.getItem(e);if(null!==n)return t.from(n,di)}catch(t){}},_i.prototype.put=function(t,e,n){try{return!(!n&&null!==Jr.localStorage.getItem(t))&&(Jr.localStorage.setItem(t,e.toString(di)),!0)}catch(t){throw new be(ve.ENOSPC,"LocalStorage is full.")}},_i.prototype.del=function(t){try{Jr.localStorage.removeItem(t)}catch(e){throw new be(ve.EIO,"Unable to delete key "+t+": "+e)}};for(var vi=function(t){function e(){t.call(this,{store:new _i})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){var r=n?n:t;r(null,new e)},e.isAvailable=function(){return"undefined"!=typeof Jr.localStorage},e}(oi),wi=function(t){function e(){t.call(this),this.mountList=[],this.mntMap={},this.rootFs=new ui}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){var r=new e;Object.keys(t).forEach(function(e){r.mount(e,t[e])}),n(null,r)},e.isAvailable=function(){return!0},e.prototype.mount=function(t,e){if("/"!==t[0]&&(t="/"+t),t=me.resolve(t),this.mntMap[t])throw new be(ve.EINVAL,"Mount point "+t+" is already taken.");d(t,511,this.rootFs),this.mntMap[t]=e,this.mountList.push(t),this.mountList=this.mountList.sort(function(t,e){return e.length-t.length})},e.prototype.umount=function(t){var e=this;if("/"!==t[0]&&(t="/"+t),t=me.resolve(t),!this.mntMap[t])throw new be(ve.EINVAL,"Mount point "+t+" is already unmounted.");for(delete this.mntMap[t],this.mountList.splice(this.mountList.indexOf(t),1);"/"!==t&&0===e.rootFs.readdirSync(t).length;)e.rootFs.rmdirSync(t),t=me.dirname(t)},e.prototype._getFs=function(t){for(var e=this,n=this.mountList,r=n.length,i=0;i<r;i++){var o=n[i];if(o.length<=t.length&&0===t.indexOf(o))return t=t.substr(o.length>1?o.length:0),""===t&&(t="/"),{fs:e.mntMap[o],path:t}}return{fs:this.rootFs,path:t}},e.prototype.getName=function(){return"MountableFileSystem"},e.prototype.diskSpace=function(t,e){e(0,0)},e.prototype.isReadOnly=function(){return!1},e.prototype.supportsLinks=function(){return!1},e.prototype.supportsProps=function(){return!1},e.prototype.supportsSynch=function(){return!0},e.prototype.standardizeError=function(t,e,n){var r=t.message.indexOf(e);return r!==-1&&(t.message=t.message.substr(0,r)+n+t.message.substr(r+e.length),t.path=n),t},e.prototype.rename=function(t,e,n){var r=this,i=this._getFs(t),o=this._getFs(e);return i.fs===o.fs?i.fs.rename(i.path,o.path,function(s){s&&r.standardizeError(r.standardizeError(s,i.path,t),o.path,e),n(s)}):Le.readFile(t,function(r,i){return r?n(r):void Le.writeFile(e,i,function(e){return e?n(e):void Le.unlink(t,n)})})},e.prototype.renameSync=function(t,e){var n=this._getFs(t),r=this._getFs(e);if(n.fs===r.fs)try{return n.fs.renameSync(n.path,r.path)}catch(i){throw this.standardizeError(this.standardizeError(i,n.path,t),r.path,e),i}var i=Le.readFileSync(t);return Le.writeFileSync(e,i),Le.unlinkSync(t)},e.prototype.readdirSync=function(t){var e=this._getFs(t),n=null;if(e.fs!==this.rootFs)try{n=this.rootFs.readdirSync(t)}catch(t){}try{var r=e.fs.readdirSync(e.path);return null===n?r:r.concat(n.filter(function(t){return r.indexOf(t)===-1}))}catch(r){if(null===n)throw this.standardizeError(r,e.path,t);return n}},e.prototype.readdir=function(t,e){var n=this,r=this._getFs(t);r.fs.readdir(r.path,function(i,o){if(r.fs!==n.rootFs)try{var s=n.rootFs.readdirSync(t);o=o?o.concat(s.filter(function(t){return o.indexOf(t)===-1})):s}catch(o){if(i)return e(n.standardizeError(i,r.path,t))}else if(i)return e(n.standardizeError(i,r.path,t));e(null,o)})},e.prototype.rmdirSync=function(t){var e=this._getFs(t);if(this._containsMountPt(t))throw be.ENOTEMPTY(t);try{e.fs.rmdirSync(e.path)}catch(n){throw this.standardizeError(n,e.path,t)}},e.prototype.rmdir=function(t,e){var n=this,r=this._getFs(t);this._containsMountPt(t)?e(be.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}(Be),mi=[["exists","unlink","readlink"],["stat","mkdir","realpath","truncate"],["open","readFile","chmod","utimes"],["chown"],["writeFile","appendFile"]],Si=0;Si<mi.length;Si++)for(var Ei=mi[Si],bi=0;bi<Ei.length;bi++){var ki=Ei[bi];wi.prototype[ki]=At(ki,!1,Si+1),wi.prototype[ki+"Sync"]=At(ki+"Sync",!0,Si+1)}var Ii;if("undefined"!=typeof setImmediate)Ii=setImmediate;else{var Oi=Jr,Fi=[],Ri="zero-timeout-message",Ni=function(){if("undefined"!=typeof Oi.importScripts||!Oi.postMessage)return!1;var t=!0,e=Oi.onmessage;return Oi.onmessage=function(){t=!1},Oi.postMessage("","*"),Oi.onmessage=e,t};if(Ni()){Ii=function(t){Fi.push(t),Oi.postMessage(Ri,"*")};var Ti=function(t){if(t.source===self&&t.data===Ri&&(t.stopPropagation?t.stopPropagation():t.cancelBubble=!0,Fi.length>0)){var e=Fi.shift();return e()}};Oi.addEventListener?Oi.addEventListener("message",Ti,!0):Oi.attachEvent("onmessage",Ti)}else if(Oi.MessageChannel){var Li=new Oi.MessageChannel;Li.port1.onmessage=function(t){if(Fi.length>0)return Fi.shift()()},Ii=function(t){Fi.push(t),Li.port2.postMessage("")}}else Ii=function(t){return setTimeout(t,0)}}var Ai=Ii,Di=function(){this._locked=!1,this._waiters=[]};Di.prototype.lock=function(t){return this._locked?void this._waiters.push(t):(this._locked=!0,void t())},Di.prototype.unlock=function(){if(!this._locked)throw new Error("unlock of a non-locked mutex");var t=this._waiters.shift();return t?void Ai(t):void(this._locked=!1)},Di.prototype.tryLock=function(){return!this._locked&&(this._locked=!0,!0)},Di.prototype.isLocked=function(){return this._locked};var xi=function(t){this._fs=t,this._mu=new Di};xi.prototype.getName=function(){return"LockedFS<"+this._fs.getName()+">"},xi.prototype.getFSUnlocked=function(){return this._fs},xi.prototype.initialize=function(t){this._fs.initialize(t)},xi.prototype.diskSpace=function(t,e){this._fs.diskSpace(t,e)},xi.prototype.isReadOnly=function(){return this._fs.isReadOnly()},xi.prototype.supportsLinks=function(){
4
return this._fs.supportsLinks()},xi.prototype.supportsProps=function(){return this._fs.supportsProps()},xi.prototype.supportsSynch=function(){return this._fs.supportsSynch()},xi.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)})})},xi.prototype.renameSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.renameSync(t,e)},xi.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)})})},xi.prototype.statSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.statSync(t,e)},xi.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)})})},xi.prototype.openSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.openSync(t,e,n)},xi.prototype.unlink=function(t,e){var n=this;this._mu.lock(function(){n._fs.unlink(t,function(t){n._mu.unlock(),e(t)})})},xi.prototype.unlinkSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.unlinkSync(t)},xi.prototype.rmdir=function(t,e){var n=this;this._mu.lock(function(){n._fs.rmdir(t,function(t){n._mu.unlock(),e(t)})})},xi.prototype.rmdirSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.rmdirSync(t)},xi.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)})})},xi.prototype.mkdirSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.mkdirSync(t,e)},xi.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)})})},xi.prototype.readdirSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readdirSync(t)},xi.prototype.exists=function(t,e){var n=this;this._mu.lock(function(){n._fs.exists(t,function(t){n._mu.unlock(),e(t)})})},xi.prototype.existsSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.existsSync(t)},xi.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)})})},xi.prototype.realpathSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.realpathSync(t,e)},xi.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)})})},xi.prototype.truncateSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.truncateSync(t,e)},xi.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)})})},xi.prototype.readFileSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readFileSync(t,e,n)},xi.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)})})},xi.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)},xi.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)})})},xi.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)},xi.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)})})},xi.prototype.chmodSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.chmodSync(t,e,n)},xi.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)})})},xi.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)},xi.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)})})},xi.prototype.utimesSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.utimesSync(t,e,n)},xi.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)})})},xi.prototype.linkSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.linkSync(t,e)},xi.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)})})},xi.prototype.symlinkSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.symlinkSync(t,e,n)},xi.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)})})},xi.prototype.readlinkSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readlinkSync(t)};var Pi,Ci="/.deletedFiles.log",Ui=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}(qe),Mi=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 be(ve.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,xt("w"),t.getStats().mode,e)})},e.prototype._syncSync=function(t){this.createParentDirectories(t.getPath()),this._writable.writeFileSync(t.getPath(),t.getBuffer(),null,xt("w"),t.getStats().mode)},e.prototype.getName=function(){return"OverlayFS"},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(Ci,"utf8",xt("r"),function(t,n){if(t){if(t.errno!==ve.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===Ci||e===Ci?n(be.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=me.resolve(t,i),s=me.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!==ve.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(be.ENOTDIR(e));r.readdir(e,function(i,o){return o&&o.length?n(be.ENOTEMPTY(e)):void r._readable.readdir(t,function(t,e){return t?n():void a(e)})})}return s&&s.isDirectory()?n(be.EISDIR(e)):void r.readFile(t,null,xt("r"),function(i,s){return i?n(i):r.writeFile(e,s,null,xt("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===Ci||e===Ci)throw be.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 be.ENOTDIR(e);if(this.readdirSync(e).length>0)throw be.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(me.resolve(t,r),me.resolve(e,r))})}else{if(this.existsSync(e)&&this.statSync(e,!1).isDirectory())throw be.EISDIR(e);this.writeFileSync(e,this.readFileSync(t,null,xt("r")),null,xt("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===ve.ENOENT?(r._deletedFiles[t]&&n(be.ENOENT(t)),r._readable.stat(t,e,function(t,e){e&&(e=e.clone(),e.mode=Dt(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 be.ENOENT(t);var n=this._readable.statSync(t,e).clone();return n.mode=Dt(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 Ee.TRUNCATE_FILE:return i.createParentDirectoriesAsync(t,function(o){return o?r(o):void i._writable.open(t,e,n,r)});case Ee.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,xt("r"),function(n,o){if(n)return r(n);s.size===-1&&(s.size=o.length);var a=new Ui(i,t,e,s,o);r(null,a)}))});default:return r(be.EEXIST(t))}else switch(e.pathNotExistsAction()){case Ee.CREATE_FILE:return i.createParentDirectoriesAsync(t,function(o){return o?r(o):i._writable.open(t,e,n,r)});default:return r(be.ENOENT(t))}})},e.prototype.openSync=function(t,e,n){if(this.checkInitialized(),this.checkPath(t),t===Ci)throw be.EPERM("Cannot open deletion log.");if(this.existsSync(t))switch(e.pathExistsAction()){case Ee.TRUNCATE_FILE:return this.createParentDirectories(t),this._writable.openSync(t,e,n);case Ee.NOP:if(this._writable.existsSync(t))return this._writable.openSync(t,e,n);var r=this._readable.readFileSync(t,null,xt("r")),i=this._readable.statSync(t,!1).clone();return i.mode=n,new Ui(this,t,e,i,r);default:throw be.EEXIST(t)}else switch(e.pathNotExistsAction()){case Ee.CREATE_FILE:return this.createParentDirectories(t),this._writable.openSync(t,e,n);default:throw be.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(be.ENOENT(t))})},e.prototype.unlinkSync=function(t){if(this.checkInitialized(),this.checkPath(t),!this.existsSync(t))throw be.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(be.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(be.ENOENT(t))})}},e.prototype.rmdirSync=function(t){if(this.checkInitialized(),!this.existsSync(t))throw be.ENOENT(t);if(this._writable.existsSync(t)&&this._writable.rmdirSync(t),this.existsSync(t)){if(this.readdirSync(t).length>0)throw be.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(be.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 be.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(be.ENOTDIR(t))})},e.prototype.readdirSync=function(t){var e=this;this.checkInitialized();var n=this.statSync(t,!1);if(!n.isDirectory())throw be.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(Ci,this._deleteLog,"utf8",Ie.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 be(ve.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 be(ve.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===Ci)throw be.EPERM(t)},e.prototype.checkPathAsync=function(t,e){return t===Ci&&(e(be.EPERM(t)),!0)},e.prototype.createParentDirectoriesAsync=function(t,e){function n(t,e){t?(o.push(i),i=me.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=me.dirname(t),o=[],s=this;this._writable.stat(i,!1,n)},e.prototype.createParentDirectories=function(t){for(var e=this,n=me.dirname(t),r=[];!this._writable.existsSync(n);)r.push(n),n=me.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 be.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(be.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,xt("r")),null,xt("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,xt("r"),function(r,o){return r?e(r):void n.writeFile(t,o,null,xt("w"),i.mode,e)})})},e}(Be),ji=function(t){function e(e,n,r){void 0===r&&(r=!0),t.call(this,new Mi(e,n)),l(r,"OverlayFS",{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 Mi.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}(xi);!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"}(Pi||(Pi={}));var Bi=function(){this._callbacks={},this._nextId=0};Bi.prototype.toRemoteArg=function(t){var e=this._nextId++;return this._callbacks[e]=t,{type:Pi.CB,id:e}},Bi.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=qt(u.toBuffer()),r.isReadable()?e.read(t.alloc(u.size),0,u.size,0,function(t,e,c){t?i(t):(o=qt(c),i(null,{type:Pi.FD,id:a,data:o,stat:s,path:n,flag:r.getFlagString()}))}):i(null,{type:Pi.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=Wt(t.data),i=Fe.fromBuffer(Wt(t.stat)),o=Ie.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:Pi.FD,id:this._remoteFdId,data:qt(this.getBuffer()),stat:qt(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}(qe),qi=function(e){function n(t,n){var r=this;void 0===n&&(n=!0),e.call(this),this._callbackConverter=new Bi,this._isInitialized=!1,this._isReadOnly=!1,this._supportLinks=!1,this._supportProps=!1,this._worker=t,l(n,"WorkerFS",{worker:"Web Worker instance"}),this._worker.addEventListener("message",function(t){var e=t.data;if(Xt(e)){var n,i=e.args,o=new Array(i.length);for(n=0;n<o.length;n++)o[n]=r._argRemote2Local(i[n]);r._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 Fe?r(null,jt(e)):e instanceof be?r(null,Pt(e)):e instanceof Ye?r(null,i.toRemoteArg(e,n[0],n[1],r)):e instanceof Ie?r(null,zt(e)):e instanceof t?r(null,Ht(e)):e instanceof Error?r(null,Ut(e)):r(null,e);break;default:r(null,e)}}function r(t,r){if(!t)return t;switch(typeof t){case"object":if("number"!=typeof t.type)return t;var i=t;switch(i.type){case Pi.CB:var o=t.id;return function(){function t(t){u>0&&(u=-1,s={browserfsMessage:!0,cbId:o,args:[Pt(t)]},e.postMessage(s))}var i,s,a=arguments,c=new Array(arguments.length),u=arguments.length;for(i=0;i<arguments.length;i++)!function(i,a){n(a,r,function(n,r){c[i]=r,n?t(n):0===--u&&(s={browserfsMessage:!0,cbId:o,args:c},e.postMessage(s))})}(i,a[i]);0===arguments.length&&(s={browserfsMessage:!0,cbId:o,args:c},e.postMessage(s))};case Pi.API_ERROR:return Ct(i);case Pi.STATS:return Bt(i);case Pi.FILEFLAG:return Yt(i);case Pi.BUFFER:return Vt(i);case Pi.ERROR:return Mt(i);default:return t}default:return t}}var i=new zi;e.addEventListener("message",function(t){var n=t.data;if(Zt(n)){var o=n.args,s=new 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?[Pt(n)]:[]};e.postMessage(r)})}();break;case"probe":!function(){var t=Le.getRootFS(),n=o[1],r={type:Pi.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=Le.getRootFS();c[n.method].apply(c,s)}}})},n.prototype.getName=function(){return"WorkerFS"},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 Pi.API_ERROR:return Ct(e);case Pi.FD:var n=e;return new Yi(this,n.path,Ie.getFileFlag(n.flag),Fe.fromBuffer(Wt(n.stat)),n.id,Wt(n.data));case Pi.STATS:return Bt(e);case Pi.FILEFLAG:return Yt(e);case Pi.BUFFER:return Vt(e);case Pi.ERROR:return Mt(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 Fe?jt(e):e instanceof be?Pt(e):e instanceof Yi?e.toRemoteArg():e instanceof Ie?zt(e):e instanceof t?Ht(e):e instanceof Error?Ut(e):"Unknown argument";case"function":return this._callbackConverter.toRemoteArg(e);default:return e}},n}(Be),Wi=Kt,Hi=De&&"undefined"!=typeof Blob?Gt:Jt,Vi=function(){this._index={},this.addPath("/",new Xi)};Vi.fromListing=function(t){var e=new Vi,n=new Xi;e._index["/"]=n;for(var r=[["",t,n]];r.length>0;){var i=void 0,o=r.pop(),s=o[0],a=o[1],c=o[2];for(var u in a)if(a.hasOwnProperty(u)){var f=a[u],h=s+"/"+u;f?(e._index[h]=i=new Xi,r.push([h,f,i])):i=new Zi(new Fe(Oe.FILE,-1,365)),c&&(c._ls[u]=i)}}return e},Vi.prototype.fileIterator=function(t){var e=this;for(var n in e._index)if(e._index.hasOwnProperty(n))for(var r=e._index[n],i=r.getListing(),o=0;o<i.length;o++){var s=r.getItem(i[o]);ee(s)&&t(s.getData())}},Vi.prototype.addPath=function(t,e){if(!e)throw new Error("Inode must be specified");if("/"!==t[0])throw new Error("Path must be absolute, got: "+t);if(this._index.hasOwnProperty(t))return 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 Xi,!this.addPath(r,o)))&&(!("/"!==t&&!o.addItem(i,e))&&(ne(e)&&(this._index[t]=e),!0))},Vi.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 Xi,this.addPathFast(r,o)),!!o.addItem(i,e)&&(e.isDir()&&(this._index[t]=e),!0)},Vi.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(ne(s)){for(var a=s.getListing(),c=0;c<a.length;c++)e.removePath(t+"/"+a[c]);"/"!==t&&delete this._index[t]}return s},Vi.prototype.ls=function(t){var e=this._index[t];return void 0===e?null:e.getListing()},Vi.prototype.getInode=function(t){var e=this._split_path(t),n=e[0],r=e[1],i=this._index[n];return void 0===i?null:n===t?i:i.getItem(r)},Vi.prototype._split_path=function(t){var e=me.dirname(t),n=t.substr(e.length+("/"===e?0:1));return[e,n]};var Zi=function(t){this.data=t};Zi.prototype.isFile=function(){return!0},Zi.prototype.isDir=function(){return!1},Zi.prototype.getData=function(){return this.data},Zi.prototype.setData=function(t){this.data=t};var Xi=function(t){void 0===t&&(t=null),this.data=t,this._ls={}};Xi.prototype.isFile=function(){return!1},Xi.prototype.isDir=function(){return!0},Xi.prototype.getData=function(){return this.data},Xi.prototype.getStats=function(){return new Fe(Oe.DIRECTORY,4096,365)},Xi.prototype.getListing=function(){return Object.keys(this._ls)},Xi.prototype.getItem=function(t){var e=this._ls[t];return e?e:null},Xi.prototype.addItem=function(t,e){return!(t in this._ls)&&(this._ls[t]=e,!0)},Xi.prototype.remItem=function(t){var e=this._ls[t];return void 0===e?null:(delete this._ls[t],e)};var Ki=function(t){function e(e,n,r){void 0===n&&(n=""),void 0===r&&(r=!0),t.call(this),e||(e="index.json"),n.length>0&&"/"!==n.charAt(n.length-1)&&(n+="/"),this.prefixUrl=n;var i=null;if("string"==typeof e){if(i=this._requestFileSync(e,"json"),!i)throw new Error("Unable to find listing at URL: ${listingUrlOrObj}")}else i=e;l(r,"XmlHttpRequest",{index:"string"==typeof e?e:"file index as an object",baseUrl:n}),this._index=Vi.fromListing(i)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){"string"==typeof t.index?e.FromURL(t.index,n,t.baseUrl,!1):n(null,new e(t.index,t.baseUrl,!1))},e.isAvailable=function(){return"undefined"!=typeof XMLHttpRequest&&null!==XMLHttpRequest},e.FromURL=function(t,n,r,i){void 0===r&&(r=t.slice(0,t.lastIndexOf("/")+1)),void 0===i&&(i=!0),i&&console.warn("[XmlHttpRequest] XmlHttpRequest.FromURL() is deprecated and will be removed in the next major release. Please use 'XmlHttpRequest.Create({ index: \""+t+'", baseUrl: "'+r+"\" }, cb)' instead."),Wi(t,"json",function(t,i){t?n(t):n(null,new e(i,r,!1))})},e.prototype.empty=function(){this._index.fileIterator(function(t){t.fileData=null})},e.prototype.getName=function(){return"XmlHttpRequest"},e.prototype.diskSpace=function(t,e){e(0,0)},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.preloadFile=function(t,e){var n=this._index.getInode(t);if(!ee(n))throw be.EISDIR(t);if(null===n)throw be.ENOENT(t);var r=n.getData();r.size=e.length,r.fileData=e},e.prototype.stat=function(t,e,n){var r=this._index.getInode(t);if(null===r)return n(be.ENOENT(t));var i;ee(r)?(i=r.getData(),i.size<0?this._requestFileSizeAsync(t,function(t,e){return t?n(t):(i.size=e,void n(null,i.clone()))}):n(null,i.clone())):ne(r)?(i=r.getStats(),n(null,i)):n(be.FileError(ve.EINVAL,t))},e.prototype.statSync=function(t,e){var n=this._index.getInode(t);if(null===n)throw be.ENOENT(t);var r;if(ee(n))r=n.getData(),r.size<0&&(r.size=this._requestFileSizeSync(t));else{if(!ne(n))throw be.FileError(ve.EINVAL,t);r=n.getStats()}return r},e.prototype.open=function(t,e,n,r){if(e.isWriteable())return r(new be(ve.EPERM,t));var i=this,o=this._index.getInode(t);if(null===o)return r(be.ENOENT(t));if(!ee(o))return r(be.EISDIR(t));var s=o.getData();switch(e.pathExistsAction()){case Ee.THROW_EXCEPTION:case Ee.TRUNCATE_FILE:return r(be.EEXIST(t));case Ee.NOP:if(s.fileData)return r(null,new We(i,t,e,s.clone(),s.fileData));this._requestFileAsync(t,"buffer",function(n,o){return n?r(n):(s.size=o.length,s.fileData=o,r(null,new We(i,t,e,s.clone(),o)))});break;default:return r(new be(ve.EINVAL,"Invalid FileMode object."))}},e.prototype.openSync=function(t,e,n){if(e.isWriteable())throw new be(ve.EPERM,t);var r=this._index.getInode(t);if(null===r)throw be.ENOENT(t);
5
if(!ee(r))throw be.EISDIR(t);var i=r.getData();switch(e.pathExistsAction()){case Ee.THROW_EXCEPTION:case Ee.TRUNCATE_FILE:throw be.EEXIST(t);case Ee.NOP:if(i.fileData)return new We(this,t,e,i.clone(),i.fileData);var o=this._requestFileSync(t,"buffer");return i.size=o.length,i.fileData=o,new We(this,t,e,i.clone(),o);default:throw new be(ve.EINVAL,"Invalid FileMode object.")}},e.prototype.readdir=function(t,e){try{e(null,this.readdirSync(t))}catch(t){e(t)}},e.prototype.readdirSync=function(t){var e=this._index.getInode(t);if(null===e)throw be.ENOENT(t);if(ne(e))return e.getListing();throw be.ENOTDIR(t)},e.prototype.readFile=function(t,e,n,r){var i=r;this.open(t,n,420,function(t,n){if(t)return r(t);r=function(t,e){n.close(function(n){return t||(t=n),i(t,e)})};var o=n,s=o.getBuffer();null===e?r(t,m(s)):re(s,e,r)})},e.prototype.readFileSync=function(t,e,n){var r=this.openSync(t,n,420);try{var i=r,o=i.getBuffer();return null===e?m(o):o.toString(e)}finally{r.closeSync()}},e.prototype.getXhrPath=function(t){return"/"===t.charAt(0)&&(t=t.slice(1)),this.prefixUrl+t},e.prototype._requestFileAsync=function(t,e,n){Wi(this.getXhrPath(t),e,n)},e.prototype._requestFileSync=function(t,e){return Hi(this.getXhrPath(t),e)},e.prototype._requestFileSizeAsync=function(t,e){te(this.getXhrPath(t),e)},e.prototype._requestFileSizeSync=function(t){return $t(this.getXhrPath(t))},e}(Be),Ji=function(){};Ji.str2byte=function(t,e){for(var n=t.length>e.length?e.length:t.length,r=0;r<n;r++){var i=t.charCodeAt(r);if(i>127){var o=Ji.extendedChars.indexOf(t.charAt(r));o>-1&&(i=o+128)}e[i]=r}return n},Ji.byte2str=function(t){for(var e=new Array(t.length),n=0;n<t.length;n++){var r=t[n];r>127?e[n]=Ji.extendedChars[r-128]:e[n]=String.fromCharCode(r)}return e.join("")},Ji.byteLength=function(t){return t.length},Ji.extendedChars=["Ç","ü","é","â","ä","à","å","ç","ê","ë","è","ï","î","ì","Ä","Å","É","æ","Æ","ô","ö","ò","û","ù","ÿ","Ö","Ü","ø","£","Ø","×","ƒ","á","í","ó","ú","ñ","Ñ","ª","º","¿","®","¬","½","¼","¡","«","»","_","_","_","¦","¦","Á","Â","À","©","¦","¦","+","+","¢","¥","+","+","-","-","+","-","+","ã","Ã","+","+","-","-","¦","-","+","¤","ð","Ð","Ê","Ë","È","i","Í","Î","Ï","+","+","_","_","¦","Ì","_","Ó","ß","Ô","Ò","õ","Õ","µ","þ","Þ","Ú","Û","Ù","ý","Ý","¯","´","­","±","_","¾","¶","§","÷","¸","°","¨","·","¹","³","²","_"," "];var Gi,Qi=n(24).inflateRaw,$i={};!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"}(Gi||(Gi={}));var to;!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"}(to||(to={}));var eo=function(t){if(this.data=t,67324752!==t.readUInt32LE(0))throw new be(ve.EINVAL,"Invalid Zip file: Local file header has invalid signature: "+this.data.readUInt32LE(0))};eo.prototype.versionNeeded=function(){return this.data.readUInt16LE(4)},eo.prototype.flags=function(){return this.data.readUInt16LE(6)},eo.prototype.compressionMethod=function(){return this.data.readUInt16LE(8)},eo.prototype.lastModFileTime=function(){return ie(this.data.readUInt16LE(10),this.data.readUInt16LE(12))},eo.prototype.rawLastModFileTime=function(){return this.data.readUInt32LE(10)},eo.prototype.crc32=function(){return this.data.readUInt32LE(14)},eo.prototype.fileNameLength=function(){return this.data.readUInt16LE(26)},eo.prototype.extraFieldLength=function(){return this.data.readUInt16LE(28)},eo.prototype.fileName=function(){return oe(this.data,this.useUTF8(),30,this.fileNameLength())},eo.prototype.extraField=function(){var t=30+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},eo.prototype.totalSize=function(){return 30+this.fileNameLength()+this.extraFieldLength()},eo.prototype.useUTF8=function(){return 2048===(2048&this.flags())};var no=function(t,e,n){this.header=t,this.record=e,this.data=n};no.prototype.decompress=function(){var t=this.header.compressionMethod(),e=$i[t];if(e)return e(this.data,this.record.compressedSize(),this.record.uncompressedSize(),this.record.flag());var n=to[t];throw n||(n="Unknown: "+t),new be(ve.EINVAL,"Invalid compression method on file '"+this.header.fileName()+"': "+n)},no.prototype.getHeader=function(){return this.header},no.prototype.getRecord=function(){return this.record},no.prototype.getRawData=function(){return this.data};var ro=function(t){this.data=t};ro.prototype.crc32=function(){return this.data.readUInt32LE(0)},ro.prototype.compressedSize=function(){return this.data.readUInt32LE(4)},ro.prototype.uncompressedSize=function(){return this.data.readUInt32LE(8)};var io=function(t){if(this.data=t,134630224!==this.data.readUInt32LE(0))throw new be(ve.EINVAL,"Invalid archive extra data record signature: "+this.data.readUInt32LE(0))};io.prototype.length=function(){return this.data.readUInt32LE(4)},io.prototype.extraFieldData=function(){return this.data.slice(8,8+this.length())};var oo=function(t){if(this.data=t,84233040!==this.data.readUInt32LE(0))throw new be(ve.EINVAL,"Invalid digital signature signature: "+this.data.readUInt32LE(0))};oo.prototype.size=function(){return this.data.readUInt16LE(4)},oo.prototype.signatureData=function(){return this.data.slice(6,6+this.size())};var so=function(t,e){if(this.zipData=t,this.data=e,33639248!==this.data.readUInt32LE(0))throw new be(ve.EINVAL,"Invalid Zip file: Central directory record has invalid signature: "+this.data.readUInt32LE(0));this._filename=this.produceFilename()};so.prototype.versionMadeBy=function(){return this.data.readUInt16LE(4)},so.prototype.versionNeeded=function(){return this.data.readUInt16LE(6)},so.prototype.flag=function(){return this.data.readUInt16LE(8)},so.prototype.compressionMethod=function(){return this.data.readUInt16LE(10)},so.prototype.lastModFileTime=function(){return ie(this.data.readUInt16LE(12),this.data.readUInt16LE(14))},so.prototype.rawLastModFileTime=function(){return this.data.readUInt32LE(12)},so.prototype.crc32=function(){return this.data.readUInt32LE(16)},so.prototype.compressedSize=function(){return this.data.readUInt32LE(20)},so.prototype.uncompressedSize=function(){return this.data.readUInt32LE(24)},so.prototype.fileNameLength=function(){return this.data.readUInt16LE(28)},so.prototype.extraFieldLength=function(){return this.data.readUInt16LE(30)},so.prototype.fileCommentLength=function(){return this.data.readUInt16LE(32)},so.prototype.diskNumberStart=function(){return this.data.readUInt16LE(34)},so.prototype.internalAttributes=function(){return this.data.readUInt16LE(36)},so.prototype.externalAttributes=function(){return this.data.readUInt32LE(38)},so.prototype.headerRelativeOffset=function(){return this.data.readUInt32LE(42)},so.prototype.produceFilename=function(){var t=oe(this.data,this.useUTF8(),46,this.fileNameLength());return t.replace(/\\/g,"/")},so.prototype.fileName=function(){return this._filename},so.prototype.rawFileName=function(){return this.data.slice(46,46+this.fileNameLength())},so.prototype.extraField=function(){var t=44+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},so.prototype.fileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return oe(this.data,this.useUTF8(),t,this.fileCommentLength())},so.prototype.rawFileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return this.data.slice(t,t+this.fileCommentLength())},so.prototype.totalSize=function(){return 46+this.fileNameLength()+this.extraFieldLength()+this.fileCommentLength()},so.prototype.isDirectory=function(){var t=this.fileName();return!!(16&this.externalAttributes())||"/"===t.charAt(t.length-1)},so.prototype.isFile=function(){return!this.isDirectory()},so.prototype.useUTF8=function(){return 2048===(2048&this.flag())},so.prototype.isEncrypted=function(){return 1===(1&this.flag())},so.prototype.getFileData=function(){var t=this.headerRelativeOffset(),e=new eo(this.zipData.slice(t));return new no(e,this,this.zipData.slice(t+e.totalSize()))},so.prototype.getData=function(){return this.getFileData().decompress()},so.prototype.getRawData=function(){return this.getFileData().getRawData()},so.prototype.getStats=function(){return new Fe(Oe.FILE,this.uncompressedSize(),365,new Date,this.lastModFileTime())};var ao=function(t){if(this.data=t,101010256!==this.data.readUInt32LE(0))throw new be(ve.EINVAL,"Invalid Zip file: End of central directory record has invalid signature: "+this.data.readUInt32LE(0))};ao.prototype.diskNumber=function(){return this.data.readUInt16LE(4)},ao.prototype.cdDiskNumber=function(){return this.data.readUInt16LE(6)},ao.prototype.cdDiskEntryCount=function(){return this.data.readUInt16LE(8)},ao.prototype.cdTotalEntryCount=function(){return this.data.readUInt16LE(10)},ao.prototype.cdSize=function(){return this.data.readUInt32LE(12)},ao.prototype.cdOffset=function(){return this.data.readUInt32LE(16)},ao.prototype.cdZipCommentLength=function(){return this.data.readUInt16LE(20)},ao.prototype.cdZipComment=function(){return oe(this.data,!0,22,this.cdZipCommentLength())},ao.prototype.rawCdZipComment=function(){return this.data.slice(22,22+this.cdZipCommentLength())};var co=function(t,e,n,r){this.index=t,this.directoryEntries=e,this.eocd=n,this.data=r},uo=function(t){function e(e,n,r){void 0===n&&(n=""),void 0===r&&(r=!0),t.call(this),this.name=n,this._index=new Vi,this._directoryEntries=[],this._eocd=null,l(r,"ZipFS",{zipData:"zip data as a Buffer",name:n}),e instanceof co?(this._index=e.index,this._directoryEntries=e.directoryEntries,this._eocd=e.eocd,this.data=e.data):(this.data=e,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){$i[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 Vi,o=e.getEOCD(t);if(o.diskNumber()!==o.cdDiskNumber())throw new be(ve.EINVAL,"ZipFS does not support spanned zip files.");var s=o.cdOffset();if(4294967295===s)throw new be(ve.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 ao(t.slice(t.length-r));throw new be(ve.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 Xi(t)):e.addPathFast("/"+n,new Zi(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 so(t,t.slice(r));e.addToIndex(u,n),r+=u.totalSize(),s.push(u)}Ai(function(){e.computeIndexResponsive(t,n,r,i,o,s,a)})}else o(new co(n,s,a,t))},e.prototype.getName=function(){return"ZipFS"+(""!==this.name?" "+this.name:"")},e.prototype.getCentralDirectoryEntry=function(t){var e=this._index.getInode(t);if(null===e)throw be.ENOENT(t);if(ee(e))return e.getData();if(ne(e))return e.getData();throw be.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 be.ENOENT(t);var r;if(ee(n))r=n.getData().getStats();else{if(!ne(n))throw new be(ve.EINVAL,"Invalid inode.");r=n.getStats()}return r},e.prototype.openSync=function(t,e,n){if(e.isWriteable())throw new be(ve.EPERM,t);var r=this._index.getInode(t);if(!r)throw be.ENOENT(t);if(!ee(r))throw be.EISDIR(t);var i=r.getData(),o=i.getStats();switch(e.pathExistsAction()){case Ee.THROW_EXCEPTION:case Ee.TRUNCATE_FILE:throw be.EEXIST(t);case Ee.NOP:return new We(this,t,e,o,i.getData());default:throw new be(ve.EINVAL,"Invalid FileMode object.")}},e.prototype.readdirSync=function(t){var e=this._index.getInode(t);if(e){if(ne(e))return e.getListing();throw be.ENOTDIR(t)}throw be.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?m(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 be(ve.EINVAL,"ZipFS does not support spanned zip files.");var r=n.cdOffset();if(4294967295===r)throw new be(ve.EINVAL,"ZipFS does not support Zip64.");for(var i=r+n.cdSize();r<i;){var o=new so(t.data,t.data.slice(r));r+=o.totalSize(),e.addToIndex(o,t._index),t._directoryEntries.push(o)}},e}(ze);uo.CompressionMethod=to,uo.RegisterDecompressionMethod(to.DEFLATE,function(t,e,n){return _(Qi(t.slice(0,e),{chunkSize:n}))}),uo.RegisterDecompressionMethod(to.STORED,function(t,e,n){return m(t,0,n)});var fo="IEEE_P1282",ho=function(t){this._data=t};ho.prototype.type=function(){return this._data[0]},ho.prototype.standardIdentifier=function(){return se(this._data,1,5)},ho.prototype.version=function(){return this._data[6]},ho.prototype.data=function(){return this._data.slice(7,2048)};var lo=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 ce(this._data,813)},e.prototype.volumeModificationDate=function(){return ce(this._data,830)},e.prototype.volumeExpirationDate=function(){return ce(this._data,847)},e.prototype.volumeEffectiveDate=function(){return ce(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}(ho),po=function(t){function e(e){if(t.call(this,e),1!==this.type())throw new be(ve.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 _o(t,-1)},e.prototype._getString=function(t,e){return this._getString(t,e)},e}(lo),yo=function(t){function e(e){if(t.call(this,e),2!==this.type())throw new be(ve.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 be(ve.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 vo(t,-1)},e.prototype._getString=function(t,e){return ae(this._data,t,e)},e}(lo),go=function(t,e){this._suEntries=null,this._fileOrDir=null,this._data=t,this._rockRidgeOffset=e};go.prototype.hasRockRidge=function(){return this._rockRidgeOffset>-1},go.prototype.getRockRidgeOffset=function(){return this._rockRidgeOffset},go.prototype.rootCheckForRockRidge=function(t){var e=this.getDirectory(t);this._rockRidgeOffset=e.getDotEntry(t)._getRockRidgeOffset(t),this._rockRidgeOffset>-1&&(this._fileOrDir=null)},go.prototype.length=function(){return this._data[0]},go.prototype.extendedAttributeRecordLength=function(){return this._data[1]},go.prototype.lba=function(){return 2048*this._data.readUInt32LE(2)},go.prototype.dataLength=function(){return this._data.readUInt32LE(10)},go.prototype.recordingDate=function(){return ue(this._data,18)},go.prototype.fileFlags=function(){return this._data[25]},go.prototype.fileUnitSize=function(){return this._data[26]},go.prototype.interleaveGapSize=function(){return this._data[27]},go.prototype.volumeSequenceNumber=function(){return this._data.readUInt16LE(28)},go.prototype.identifier=function(){return this._getString(33,this._data[32])},go.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)},go.prototype.isDirectory=function(t){var e=!!(2&this.fileFlags());return!e&&this.hasRockRidge()&&(e=this.getSUEntries(t).filter(function(t){return t instanceof Ao}).length>0),e},go.prototype.isSymlink=function(t){return this.hasRockRidge()&&this.getSUEntries(t).filter(function(t){return t instanceof No}).length>0},go.prototype.getSymlinkPath=function(t){for(var e="",n=this.getSUEntries(t),r=this._getGetString(),i=0;i<n.length;i++){var o=n[i];if(o instanceof No){for(var s=o.componentRecords(),a=0;a<s.length;a++){var c=s[a],u=c.flags();2&u?e+="./":4&u?e+="../":8&u?e+="/":(e+=c.content(r),1&u||(e+="/"))}if(!o.continueFlag())break}}return e.length>1&&"/"===e[e.length-1]?e.slice(0,e.length-1):e},go.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},go.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},go.prototype.getSUEntries=function(t){return this._suEntries||this._constructSUEntries(t),this._suEntries},go.prototype._rockRidgeFilename=function(t){var e=this.getSUEntries(t).filter(function(t){return t instanceof Lo});if(0===e.length||6&e[0].flags())return null;for(var n="",r=this._getGetString(),i=0;i<e.length;i++){var o=e[i];if(n+=o.name(r),!(1&o.flags()))break}return n},go.prototype._constructSUEntries=function(t){var e=33+this._data[32];e%2===1&&e++,e+=this._rockRidgeOffset,this._suEntries=he(this._data,e,this.length(),t)},go.prototype._getRockRidgeOffset=function(t){this._rockRidgeOffset=0;var e=this.getSUEntries(t);if(e.length>0){var n=e[0];if(n instanceof Eo&&n.checkBytesPass())for(var r=1;r<e.length;r++){var i=e[r];if(i instanceof Oo||i instanceof ko&&i.extensionIdentifier()===fo)return n.bytesSkipped()}}return this._rockRidgeOffset=-1,-1};var _o=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._getString=function(t,e){return se(this._data,t,e)},e.prototype._constructDirectory=function(t){return new Mo(this,t)},e.prototype._getGetString=function(){return se},e}(go),vo=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._getString=function(t,e){return ae(this._data,t,e)},e.prototype._constructDirectory=function(t){return new jo(this,t)},e.prototype._getGetString=function(){return ae},e}(go),wo=function(t){this._data=t};wo.prototype.signatureWord=function(){return this._data.readUInt16BE(0)},wo.prototype.signatureWordString=function(){return se(this._data,0,2)},wo.prototype.length=function(){return this._data[2]},wo.prototype.suVersion=function(){return this._data[3]};var mo=function(t){function e(e){t.call(this,e),this._entries=null}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.continuationLba=function(){return this._data.readUInt32LE(4)},e.prototype.continuationLbaOffset=function(){return this._data.readUInt32LE(12)},e.prototype.continuationLength=function(){return this._data.readUInt32LE(20)},e.prototype.getEntries=function(t){if(!this._entries){var e=2048*this.continuationLba()+this.continuationLbaOffset();this._entries=he(t,e,this.continuationLength(),t)}return this._entries},e}(wo),So=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(wo),Eo=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.checkBytesPass=function(){return 190===this._data[4]&&239===this._data[5]},e.prototype.bytesSkipped=function(){return this._data[6]},e}(wo),bo=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(wo),ko=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.identifierLength=function(){return this._data[4]},e.prototype.descriptorLength=function(){return this._data[5]},e.prototype.sourceLength=function(){return this._data[6]},e.prototype.extensionVersion=function(){return this._data[7]},e.prototype.extensionIdentifier=function(){return se(this._data,8,this.identifierLength())},e.prototype.extensionDescriptor=function(){return se(this._data,8+this.identifierLength(),this.descriptorLength())},e.prototype.extensionSource=function(){return se(this._data,8+this.identifierLength()+this.descriptorLength(),this.sourceLength())},e}(wo),Io=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.extensionSequence=function(){return this._data[4]},e}(wo),Oo=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(wo),Fo=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.mode=function(){return this._data.readUInt32LE(4)},e.prototype.fileLinks=function(){return this._data.readUInt32LE(12)},e.prototype.uid=function(){return this._data.readUInt32LE(20)},e.prototype.gid=function(){return this._data.readUInt32LE(28)},e.prototype.inode=function(){return this._data.readUInt32LE(36)},e}(wo),Ro=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.devTHigh=function(){return this._data.readUInt32LE(4)},e.prototype.devTLow=function(){return this._data.readUInt32LE(12)},e}(wo),No=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.flags=function(){return this._data[4]},e.prototype.continueFlag=function(){return 1&this.flags()},e.prototype.componentRecords=function(){for(var t=this,e=new Array,n=5;n<this.length();){var r=new To(t._data.slice(n));e.push(r),n+=r.length()}return e},e}(wo),To=function(t){this._data=t};To.prototype.flags=function(){return this._data[0]},To.prototype.length=function(){return 2+this.componentLength()},To.prototype.componentLength=function(){return this._data[1]},To.prototype.content=function(t){return t(this._data,2,this.componentLength())};var Lo=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.flags=function(){return this._data[4]},e.prototype.name=function(t){return t(this._data,5,this.length()-5)},e}(wo),Ao=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.childDirectoryLba=function(){return this._data.readUInt32LE(4)},e}(wo),Do=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.parentDirectoryLba=function(){return this._data.readUInt32LE(4)},e}(wo),xo=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e}(wo),Po=function(t){function e(e){t.call(this,e)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.flags=function(){return this._data[4]},e.prototype.creation=function(){return 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A;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,l=n.hold,p=n.bits,d=c,y=u,bt=N;t:for(;;)switch(n.mode){case U:if(0===n.wrap){n.mode=K;break}for(;p<16;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}if(2&n.wrap&&35615===l){n.check=0,Ft[0]=255&l,Ft[1]=l>>>8&255,n.check=m(n.check,Ft,2,0),l=0,p=0,n.mode=M;break}if(n.flags=0,n.head&&(n.head.done=!1),!(1&n.wrap)||(((255&l)<<8)+(l>>8))%31){t.msg="incorrect header check",n.mode=lt;break}if((15&l)!==C){t.msg="unknown compression method",
14
n.mode=lt;break}if(l>>>=4,p-=4,Et=(15&l)+8,0===n.wbits)n.wbits=Et;else if(Et>n.wbits){t.msg="invalid window size",n.mode=lt;break}n.dmax=1<<Et,t.adler=n.check=1,n.mode=512&l?V:X,l=0,p=0;break;case M:for(;p<16;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}if(n.flags=l,(255&n.flags)!==C){t.msg="unknown compression method",n.mode=lt;break}if(57344&n.flags){t.msg="unknown header flags set",n.mode=lt;break}n.head&&(n.head.text=l>>8&1),512&n.flags&&(Ft[0]=255&l,Ft[1]=l>>>8&255,n.check=m(n.check,Ft,2,0)),l=0,p=0,n.mode=j;case j:for(;p<32;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}n.head&&(n.head.time=l),512&n.flags&&(Ft[0]=255&l,Ft[1]=l>>>8&255,Ft[2]=l>>>16&255,Ft[3]=l>>>24&255,n.check=m(n.check,Ft,4,0)),l=0,p=0,n.mode=B;case B:for(;p<16;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}n.head&&(n.head.xflags=255&l,n.head.os=l>>8),512&n.flags&&(Ft[0]=255&l,Ft[1]=l>>>8&255,n.check=m(n.check,Ft,2,0)),l=0,p=0,n.mode=z;case z:if(1024&n.flags){for(;p<16;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}n.length=l,n.head&&(n.head.extra_len=l),512&n.flags&&(Ft[0]=255&l,Ft[1]=l>>>8&255,n.check=m(n.check,Ft,2,0)),l=0,p=0}else n.head&&(n.head.extra=null);n.mode=Y;case Y:if(1024&n.flags&&(g=n.length,g>c&&(g=c),g&&(n.head&&(Et=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Array(n.head.extra_len)),v.arraySet(n.head.extra,i,s,g,Et)),512&n.flags&&(n.check=m(n.check,i,g,s)),c-=g,s+=g,n.length-=g),n.length))break t;n.length=0,n.mode=q;case q:if(2048&n.flags){if(0===c)break t;g=0;do Et=i[s+g++],n.head&&Et&&n.length<65536&&(n.head.name+=String.fromCharCode(Et));while(Et&&g<c);if(512&n.flags&&(n.check=m(n.check,i,g,s)),c-=g,s+=g,Et)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 Et=i[s+g++],n.head&&Et&&n.length<65536&&(n.head.comment+=String.fromCharCode(Et));while(Et&&g<c);if(512&n.flags&&(n.check=m(n.check,i,g,s)),c-=g,s+=g,Et)break t}else n.head&&(n.head.comment=null);n.mode=H;case H:if(512&n.flags){for(;p<16;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}if(l!==(65535&n.check)){t.msg="header crc mismatch",n.mode=lt;break}l=0,p=0}n.head&&(n.head.hcrc=n.flags>>9&1,n.head.done=!0),t.adler=n.check=0,n.mode=X;break;case V:for(;p<32;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}t.adler=n.check=r(l),l=0,p=0,n.mode=Z;case Z:if(0===n.havedict)return t.next_out=a,t.avail_out=u,t.next_in=s,t.avail_in=c,n.hold=l,n.bits=p,L;t.adler=n.check=1,n.mode=X;case X:if(e===F||e===R)break t;case K:if(n.last){l>>>=7&p,p-=7&p,n.mode=ut;break}for(;p<3;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}switch(n.last=1&l,l>>>=1,p-=1,3&l){case 0:n.mode=J;break;case 1:if(f(n),n.mode=nt,e===R){l>>>=2,p-=2;break t}break;case 2:n.mode=$;break;case 3:t.msg="invalid block type",n.mode=lt}l>>>=2,p-=2;break;case J:for(l>>>=7&p,p-=7&p;p<32;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}if((65535&l)!==(l>>>16^65535)){t.msg="invalid stored block lengths",n.mode=lt;break}if(n.length=65535&l,l=0,p=0,n.mode=G,e===R)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;v.arraySet(o,i,s,g,a),c-=g,s+=g,u-=g,a+=g,n.length-=g;break}n.mode=X;break;case $:for(;p<14;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}if(n.nlen=(31&l)+257,l>>>=5,p-=5,n.ndist=(31&l)+1,l>>>=5,p-=5,n.ncode=(15&l)+4,l>>>=4,p-=4,n.nlen>286||n.ndist>30){t.msg="too many length or distance symbols",n.mode=lt;break}n.have=0,n.mode=tt;case tt:for(;n.have<n.ncode;){for(;p<3;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}n.lens[Rt[n.have++]]=7&l,l>>>=3,p-=3}for(;n.have<19;)n.lens[Rt[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,kt={bits:n.lenbits},bt=E(b,n.lens,0,19,n.lencode,0,n.work,kt),n.lenbits=kt.bits,bt){t.msg="invalid code lengths set",n.mode=lt;break}n.have=0,n.mode=et;case et:for(;n.have<n.nlen+n.ndist;){for(;Ot=n.lencode[l&(1<<n.lenbits)-1],gt=Ot>>>24,_t=Ot>>>16&255,vt=65535&Ot,!(gt<=p);){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}if(vt<16)l>>>=gt,p-=gt,n.lens[n.have++]=vt;else{if(16===vt){for(It=gt+2;p<It;){if(0===c)break 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rt:if(c>=6&&u>=258){t.next_out=a,t.avail_out=u,t.next_in=s,t.avail_in=c,n.hold=l,n.bits=p,S(t,y),a=t.next_out,o=t.output,u=t.avail_out,s=t.next_in,i=t.input,c=t.avail_in,l=n.hold,p=n.bits,n.mode===X&&(n.back=-1);break}for(n.back=0;Ot=n.lencode[l&(1<<n.lenbits)-1],gt=Ot>>>24,_t=Ot>>>16&255,vt=65535&Ot,!(gt<=p);){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}if(_t&&0===(240&_t)){for(wt=gt,mt=_t,St=vt;Ot=n.lencode[St+((l&(1<<wt+mt)-1)>>wt)],gt=Ot>>>24,_t=Ot>>>16&255,vt=65535&Ot,!(wt+gt<=p);){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}l>>>=wt,p-=wt,n.back+=wt}if(l>>>=gt,p-=gt,n.back+=gt,n.length=vt,0===_t){n.mode=ct;break}if(32&_t){n.back=-1,n.mode=X;break}if(64&_t){t.msg="invalid literal/length code",n.mode=lt;break}n.extra=15&_t,n.mode=it;case it:if(n.extra){for(It=n.extra;p<It;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}n.length+=l&(1<<n.extra)-1,l>>>=n.extra,p-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=ot;case ot:for(;Ot=n.distcode[l&(1<<n.distbits)-1],gt=Ot>>>24,_t=Ot>>>16&255,vt=65535&Ot,!(gt<=p);){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}if(0===(240&_t)){for(wt=gt,mt=_t,St=vt;Ot=n.distcode[St+((l&(1<<wt+mt)-1)>>wt)],gt=Ot>>>24,_t=Ot>>>16&255,vt=65535&Ot,!(wt+gt<=p);){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}l>>>=wt,p-=wt,n.back+=wt}if(l>>>=gt,p-=gt,n.back+=gt,64&_t){t.msg="invalid distance code",n.mode=lt;break}n.offset=vt,n.extra=15&_t,n.mode=st;case st:if(n.extra){for(It=n.extra;p<It;){if(0===c)break t;c--,l+=i[s++]<<p,p+=8}n.offset+=l&(1<<n.extra)-1,l>>>=n.extra,p-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){t.msg="invalid distance too far back",n.mode=lt;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=lt;break}g>n.wnext?(g-=n.wnext,_=n.wsize-g):_=n.wnext-g,g>n.length&&(g=n.length),yt=n.window}else yt=o,_=a-n.offset,g=n.length;g>u&&(g=u),u-=g,n.length-=g;do 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t.next_out=a,t.avail_out=u,t.next_in=s,t.avail_in=c,n.hold=l,n.bits=p,(n.wsize||y!==t.avail_out&&n.mode<lt&&(n.mode<ut||e!==O))&&h(t,t.output,t.next_out,y-t.avail_out)?(n.mode=pt,x):(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?m(n.check,o,y,t.next_out-y):w(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)&&bt===N&&(bt=P),bt)}function p(t){if(!t||!t.state)return A;var e=t.state;return e.window&&(e.window=null),t.state=null,N}function d(t,e){var n;return t&&t.state?(n=t.state,0===(2&n.wrap)?A:(n.head=e,e.done=!1,N)):A}function y(t,e){var n,r,i,o=e.length;return t&&t.state?(n=t.state,0!==n.wrap&&n.mode!==Z?A:n.mode===Z&&(r=1,r=w(r,e,o,0),r!==n.check)?D:(i=h(t,e,o,o))?(n.mode=pt,x):(n.havedict=1,N)):A}var 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