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s=t.b642num[e.charAt(o++)],u=t.b642num[e.charAt(o++)],f=t.b642num[e.charAt(o++)],c=t.b642num[e.charAt(o++)],p=s<<2|u>>4,h=(15&u)<<4|f>>2,l=(3&f)<<6|c;if(n.writeUInt8(p,a++),a===r)break;if(64!==f&&(i+=n.writeUInt8(h,a++)),a===r)break;if(64!==c&&(i+=n.writeUInt8(l,a++)),a===r)break}return a},t.byteLength=function(t){return Math.floor(6*t.replace(/[^A-Za-z0-9\+\/\-\_]/g,"").length/8)},t.b64chars=["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9","+","/","="],t.num2b64=function(){for(var e=new Array(t.b64chars.length),n=0;n<t.b64chars.length;n++){var r=t.b64chars[n];e[n]=r}return e}(),t.b642num=function(){for(var e={},n=0;n<t.b64chars.length;n++){var r=t.b64chars[n];e[r]=n}return e["-"]=62,e._=63,e}(),t}();e.BASE64=s;var u=function(){function t(){}return t.str2byte=function(t,e){var n=t.length;2*n>e.length&&(n=1===e.length%2?(e.length-1)/2:e.length/2);for(var r=0;n>r;r++)e.writeUInt16LE(t.charCodeAt(r),2*r);return 2*n},t.byte2str=function(t){if(0!==t.length%2)throw new Error("Invalid UCS2 byte array.");for(var e=new Array(t.length/2),n=0;n<t.length;n+=2)e[n/2]=String.fromCharCode(t.readUInt8(n)|t.readUInt8(n+1)<<8);return e.join("")},t.byteLength=function(t){return 2*t.length},t}();e.UCS2=u;var f=function(){function t(){}return t.str2byte=function(t,e){if(1===t.length%2)throw new Error("Invalid hex string");var n=t.length>>1;n>e.length&&(n=e.length);for(var r=0;n>r;r++){var i=this.hex2num[t.charAt(r<<1)],o=this.hex2num[t.charAt((r<<1)+1)];e.writeUInt8(i<<4|o,r)}return n},t.byte2str=function(t){for(var e=t.length,n=new Array(e<<1),r=0,i=0;e>i;i++){var o=15&t.readUInt8(i),a=t.readUInt8(i)>>4;n[r++]=this.num2hex[a],n[r++]=this.num2hex[o]}return n.join("")},t.byteLength=function(t){return t.length>>1},t.HEXCHARS="0123456789abcdef",t.num2hex=function(){for(var e=new 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p=function(){function t(){}return t.str2byte=function(t,e){for(var n=t.length>e.length?e.length:t.length,r=0;n>r;r++)e.writeUInt8(t.charCodeAt(r)-32,r);return n},t.byte2str=function(t){for(var e=new Array(t.length),n=0;n<t.length;n++)e[n]=String.fromCharCode(t.readUInt8(n)+32);return e.join("")},t.byteLength=function(t){return t.length},t}();e.BINSTRIE=p}),u("core/buffer",["require","exports","./buffer_core","./buffer_core_array","./buffer_core_arraybuffer","./buffer_core_imagedata","./string_util"],function(t,e,n,r,i,o,a){var s=[i.BufferCoreArrayBuffer,o.BufferCoreImageData,r.BufferCoreArray],u=function(){var t,e;for(t=0;t<s.length;t++)if(e=s[t],e.isAvailable())return e;throw new Error("This browser does not support any available BufferCore implementations.")}(),f=function(){function t(e,r,o){"undefined"==typeof r&&(r="utf8"),this.offset=0;var a;if(!(this instanceof t))return new t(e,r);if(e instanceof n.BufferCoreCommon){this.data=e;var s="number"==typeof r?r:0,f="number"==typeof 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t(this.data,e+this.offset,n+this.offset)},t.prototype.sliceCopy=function(e,n){if("undefined"==typeof e&&(e=0),"undefined"==typeof n&&(n=this.length),0>e&&(e+=this.length,0>e&&(e=0)),0>n&&(n+=this.length,0>n&&(n=0)),n>this.length&&(n=this.length),e>n&&(e=n),0>e||0>n||e>=this.length||n>this.length)throw new Error("Invalid slice indices.");return new t(this.data.copy(e+this.offset,n+this.offset))},t.prototype.fill=function(t,e,n){"undefined"==typeof e&&(e=0),"undefined"==typeof n&&(n=this.length);var r=typeof t;switch(r){case"string":t=255&t.charCodeAt(0);break;case"number":break;default:throw new Error("Invalid argument to fill.")}e+=this.offset,n+=this.offset,this.data.fill(t,e,n)},t.prototype.readUInt8=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readUInt8(t)},t.prototype.readUInt16LE=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readUInt16LE(t)},t.prototype.readUInt16BE=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readUInt16BE(t)},t.prototype.readUInt32LE=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readUInt32LE(t)},t.prototype.readUInt32BE=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readUInt32BE(t)},t.prototype.readInt8=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readInt8(t)},t.prototype.readInt16LE=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readInt16LE(t)},t.prototype.readInt16BE=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readInt16BE(t)},t.prototype.readInt32LE=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readInt32LE(t)},t.prototype.readInt32BE=function(t,e){return"undefined"==typeof e&&(e=!1),t+=this.offset,this.data.readInt32BE(t)},t.prototype.readFloatLE=function(t,e){return"undefined"==typeof 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n&&(n=!1),e+=this.offset,this.data.writeDoubleLE(e,t)},t.prototype.writeDoubleBE=function(t,e,n){"undefined"==typeof n&&(n=!1),e+=this.offset,this.data.writeDoubleBE(e,t)},t.isEncoding=function(t){try{a.FindUtil(t)}catch(e){return!1}return!0},t.isBuffer=function(e){return e instanceof t},t.byteLength=function(t,e){"undefined"==typeof e&&(e="utf8");var n=a.FindUtil(e);
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a=i.Buffer,s=o.BufferCoreArrayBuffer,u=r.fs,f=function(){function t(t){this.fs=t}return t.prototype.open=function(t){var e=this.fs.realPath(t.node);try{FS.isFile(t.node.mode)&&(t.nfd=u.openSync(e,this.fs.flagsToPermissionString(t.flags)))}catch(n){if(!n.code)throw n;throw new FS.ErrnoError(ERRNO_CODES[n.code])}},t.prototype.close=function(t){try{FS.isFile(t.node.mode)&&t.nfd&&u.closeSync(t.nfd)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}},t.prototype.read=function(t,e,n,r,i){var o,f=new s(e.buffer),c=new a(f,e.byteOffset+n,e.byteOffset+n+r);try{o=u.readSync(t.nfd,c,0,r,i)}catch(p){throw new FS.ErrnoError(ERRNO_CODES[p.code])}return o},t.prototype.write=function(t,e,n,r,i){var o,f=new s(e.buffer),c=new a(f,e.byteOffset+n,e.byteOffset+n+r);try{o=u.writeSync(t.nfd,c,0,r,i)}catch(p){throw new FS.ErrnoError(ERRNO_CODES[p.code])}return o},t.prototype.llseek=function(t,e,n){var r=e;if(1===n)r+=t.position;else if(2===n&&FS.isFile(t.node.mode))try{var 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this.fs.createNode(t,e,r)},t.prototype.mknod=function(t,e,n,r){var i=this.fs.createNode(t,e,n,r),o=this.fs.realPath(i);try{FS.isDir(i.mode)?u.mkdirSync(o,i.mode):u.writeFileSync(o,"",{mode:i.mode})}catch(a){if(!a.code)throw a;throw new FS.ErrnoError(ERRNO_CODES[a.code])}return i},t.prototype.rename=function(t,e,n){var r=this.fs.realPath(t),i=PATH.join2(this.fs.realPath(e),n);try{u.renameSync(r,i)}catch(o){if(!o.code)throw o;throw new FS.ErrnoError(ERRNO_CODES[o.code])}},t.prototype.unlink=function(t,e){var n=PATH.join2(this.fs.realPath(t),e);try{u.unlinkSync(n)}catch(r){if(!r.code)throw r;throw new FS.ErrnoError(ERRNO_CODES[r.code])}},t.prototype.rmdir=function(t,e){var n=PATH.join2(this.fs.realPath(t),e);try{u.rmdirSync(n)}catch(r){if(!r.code)throw r;throw new FS.ErrnoError(ERRNO_CODES[r.code])}},t.prototype.readdir=function(t){var e=this.fs.realPath(t);try{return u.readdirSync(e)}catch(n){if(!n.code)throw n;throw new FS.ErrnoError(ERRNO_CODES[n.code])}},t.prototype.symlink=function(t,e,n){var r=PATH.join2(this.fs.realPath(t),e);try{u.symlinkSync(n,r)}catch(i){if(!i.code)throw i;throw new FS.ErrnoError(ERRNO_CODES[i.code])}},t.prototype.readlink=function(t){var e=this.fs.realPath(t);try{return u.readlinkSync(e)}catch(n){if(!n.code)throw n;throw new FS.ErrnoError(ERRNO_CODES[n.code])}},t}(),p=function(){function t(){if(this.flagsToPermissionStringMap={0:"r",1:"r+",2:"r+",64:"r",65:"r+",66:"r+",129:"rx+",193:"rx+",514:"w+",577:"w",578:"w+",705:"wx",706:"wx+",1024:"a",1025:"a",1026:"a+",1089:"a",1090:"a+",1153:"ax",1154:"ax+",1217:"ax",1218:"ax+",4096:"rs",4098:"rs+"},this.node_ops=new c(this),this.stream_ops=new f(this),"undefined"==typeof n)throw new Error("BrowserFS is not loaded. Please load it before this library.")}return t.prototype.mount=function(t){return this.createNode(null,"/",this.getMode(t.opts.root),0)},t.prototype.createNode=function(t,e,n){if(!FS.isDir(n)&&!FS.isFile(n)&&!FS.isLink(n))throw new FS.ErrnoError(ERRNO_CODES.EINVAL);var r=FS.createNode(t,e,n);return r.node_ops=this.node_ops,r.stream_ops=this.stream_ops,r},t.prototype.getMode=function(t){var e;try{e=u.lstatSync(t)}catch(n){if(!n.code)throw n;throw new FS.ErrnoError(ERRNO_CODES[n.code])}return e.mode},t.prototype.realPath=function(t){for(var e=[];t.parent!==t;)e.push(t.name),t=t.parent;return e.push(t.mount.opts.root),e.reverse(),PATH.join.apply(null,e)},t.prototype.flagsToPermissionString=function(t){return t in this.flagsToPermissionStringMap?this.flagsToPermissionStringMap[t]:t},t}();e.BFSEmscriptenFS=p,n.EmscriptenFS=p});var f=this.__extends||function(t,e){function n(){this.constructor=t}for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r]);n.prototype=e.prototype,t.prototype=new n};u("core/file_system",["require","exports","./api_error","./file_flag","./node_path","./buffer"],function(t,e,n,r,i,o){var a=n.ApiError;n.ErrorCode;var s=i.path,u=o.Buffer;r.ActionType;var c=function(){function t(){}return t.prototype.supportsLinks=function(){return!1},t.prototype.diskSpace=function(t,e){e(0,0)},t.prototype.openFile=function(){throw new a(14)},t.prototype.createFile=function(){throw new a(14)},t.prototype.open=function(t,e,n,r){var i=this,o=function(o,u){if(o)switch(e.pathNotExistsAction()){case 3:return i.stat(s.dirname(t),!1,function(o,u){o?r(o):u.isDirectory()?i.createFile(t,e,n,r):r(new a(7,s.dirname(t)+" is not a directory."))});case 1:return r(new a(1,""+t+" doesn't exist."));default:return r(new a(9,"Invalid FileFlag object."))}else{if(u.isDirectory())return r(new a(8,t+" is a directory."));switch(e.pathExistsAction()){case 1:return r(new a(6,t+" already exists."));case 2:return i.openFile(t,e,function(t,e){t?r(t):e.truncate(0,function(){e.sync(function(){r(null,e)})})});case 0:return i.openFile(t,e,r);default:return r(new a(9,"Invalid FileFlag object."))}}};this.stat(t,!1,o)},t.prototype.rename=function(t,e,n){n(new a(14))},t.prototype.renameSync=function(){throw new a(14)},t.prototype.stat=function(t,e,n){n(new a(14))},t.prototype.statSync=function(){throw new a(14)},t.prototype.openFileSync=function(){throw new a(14)},t.prototype.createFileSync=function(){throw new a(14)},t.prototype.openSync=function(t,e,n){var r;try{r=this.statSync(t,!1)}catch(i){switch(e.pathNotExistsAction()){case 3:var o=this.statSync(s.dirname(t),!1);if(!o.isDirectory())throw new a(7,s.dirname(t)+" is not a directory.");return this.createFileSync(t,e,n);case 1:throw new a(1,""+t+" doesn't exist.");default:throw new a(9,"Invalid FileFlag object.")}}if(r.isDirectory())throw new a(8,t+" is a directory.");switch(e.pathExistsAction()){case 1:throw new a(6,t+" already exists.");case 2:return this.unlinkSync(t),this.createFileSync(t,e,r.mode);case 0:return this.openFileSync(t,e);default:throw new a(9,"Invalid FileFlag object.")}},t.prototype.unlink=function(t,e){e(new a(14))},t.prototype.unlinkSync=function(){throw new a(14)},t.prototype.rmdir=function(t,e){e(new a(14))},t.prototype.rmdirSync=function(){throw new a(14)},t.prototype.mkdir=function(t,e,n){n(new a(14))},t.prototype.mkdirSync=function(){throw new a(14)},t.prototype.readdir=function(t,e){e(new a(14))},t.prototype.readdirSync=function(){throw new a(14)},t.prototype.exists=function(t,e){this.stat(t,null,function(t){e(null==t)})},t.prototype.existsSync=function(t){try{return this.statSync(t,!0),!0}catch(e){return!1}},t.prototype.realpath=function(t,e,n){if(this.supportsLinks())for(var r=t.split(s.sep),i=0;i<r.length;i++){var o=r.slice(0,i+1);r[i]=s.join.apply(null,o)}else this.exists(t,function(e){e?n(null,t):n(new a(1,"File "+t+" not found."))})},t.prototype.realpathSync=function(t){if(!this.supportsLinks()){if(this.existsSync(t))return t;throw new a(1,"File "+t+" not found.")}for(var e=t.split(s.sep),n=0;n<e.length;n++){var r=e.slice(0,n+1);e[n]=s.join.apply(null,r)}},t.prototype.truncate=function(t,e,n){this.open(t,r.FileFlag.getFileFlag("r+"),420,function(t,r){return t?n(t):(r.truncate(e,function(t){r.close(function(e){n(t||e)})}),void 0)})},t.prototype.truncateSync=function(t,e){var n=this.openSync(t,r.FileFlag.getFileFlag("r+"),420);try{n.truncateSync(e)}catch(i){throw i}finally{n.closeSync()}},t.prototype.readFile=function(t,e,n,r){var i=r;this.open(t,n,420,function(t,n){return t?r(t):(r=function(t,e){n.close(function(n){return null==t&&(t=n),i(t,e)})},n.stat(function(t,i){if(null!=t)return r(t);var o=new u(i.size);n.read(o,0,i.size,0,function(t){if(null!=t)return r(t);if(null===e)return r(t,o);try{r(null,o.toString(e))}catch(n){r(n)}})}),void 0)})},t.prototype.readFileSync=function(t,e,n){var r=this.openSync(t,n,420);try{var i=r.statSync(),o=new u(i.size);return r.readSync(o,0,i.size,0),r.closeSync(),null===e?o:o.toString(e)}finally{r.closeSync()}},t.prototype.writeFile=function(t,e,n,r,i,o){var a=o;this.open(t,r,420,function(t,r){if(null!=t)return o(t);o=function(t){r.close(function(e){a(null!=t?t:e)})};try{"string"==typeof e&&(e=new u(e,n))}catch(i){return o(i)}r.write(e,0,e.length,0,o)})},t.prototype.writeFileSync=function(t,e,n,r,i){var o=this.openSync(t,r,i);try{"string"==typeof e&&(e=new u(e,n)),o.writeSync(e,0,e.length,0)}finally{o.closeSync()}},t.prototype.appendFile=function(t,e,n,r,i,o){var a=o;this.open(t,r,i,function(t,r){return null!=t?o(t):(o=function(t){r.close(function(e){a(null!=t?t:e)})},"string"==typeof e&&(e=new u(e,n)),r.write(e,0,e.length,null,o),void 0)})},t.prototype.appendFileSync=function(t,e,n,r,i){var o=this.openSync(t,r,i);try{"string"==typeof e&&(e=new u(e,n)),o.writeSync(e,0,e.length,null)}finally{o.closeSync()}},t.prototype.chmod=function(t,e,n,r){r(new a(14))},t.prototype.chmodSync=function(){throw new a(14)},t.prototype.chown=function(t,e,n,r,i){i(new a(14))},t.prototype.chownSync=function(){throw new a(14)},t.prototype.utimes=function(t,e,n,r){r(new a(14))},t.prototype.utimesSync=function(){throw new a(14)},t.prototype.link=function(t,e,n){n(new a(14))},t.prototype.linkSync=function(){throw new a(14)},t.prototype.symlink=function(t,e,n,r){r(new a(14))},t.prototype.symlinkSync=function(){throw new a(14)},t.prototype.readlink=function(t,e){e(new a(14))},t.prototype.readlinkSync=function(){throw new a(14)},t}();e.BaseFileSystem=c;var p=function(t){function e(){t.apply(this,arguments)}return f(e,t),e.prototype.supportsSynch=function(){return!0},e.prototype.rename=function(t,e,n){try{this.renameSync(t,e),n()
  }catch(r){n(r)}},e.prototype.stat=function(t,e,n){try{n(null,this.statSync(t,e))}catch(r){n(r)}},e.prototype.open=function(t,e,n,r){try{r(null,this.openSync(t,e,n))}catch(i){r(i)}},e.prototype.unlink=function(t,e){try{this.unlinkSync(t),e()}catch(n){e(n)}},e.prototype.rmdir=function(t,e){try{this.rmdirSync(t),e()}catch(n){e(n)}},e.prototype.mkdir=function(t,e,n){try{this.mkdirSync(t,e),n()}catch(r){n(r)}},e.prototype.readdir=function(t,e){try{e(null,this.readdirSync(t))}catch(n){e(n)}},e.prototype.chmod=function(t,e,n,r){try{this.chmodSync(t,e,n),r()}catch(i){r(i)}},e.prototype.chown=function(t,e,n,r,i){try{this.chownSync(t,e,n,r),i()}catch(o){i(o)}},e.prototype.utimes=function(t,e,n,r){try{this.utimesSync(t,e,n),r()}catch(i){r(i)}},e.prototype.link=function(t,e,n){try{this.linkSync(t,e),n()}catch(r){n(r)}},e.prototype.symlink=function(t,e,n,r){try{this.symlinkSync(t,e,n),r()}catch(i){r(i)}},e.prototype.readlink=function(t,e){try{e(null,this.readlinkSync(t))}catch(n){e(n)}},e}(c);e.SynchronousFileSystem=p}),u("core/node_fs_stats",["require","exports"],function(t,e){!function(t){t[t.FILE=32768]="FILE",t[t.DIRECTORY=16384]="DIRECTORY",t[t.SYMLINK=40960]="SYMLINK"}(e.FileType||(e.FileType={})),e.FileType;var n=function(){function t(t,e,n,r,i,o){if("undefined"==typeof r&&(r=new Date),"undefined"==typeof i&&(i=new Date),"undefined"==typeof o&&(o=new Date),this.size=e,this.mode=n,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,null==this.mode)switch(t){case 32768:this.mode=420;break;case 16384:default:this.mode=511}this.blocks=Math.ceil(e/512),this.mode<4096&&(this.mode|=t)}return t.prototype.clone=function(){return new t(61440&this.mode,this.size,4095&this.mode,this.atime,this.mtime,this.ctime)},t.prototype.isFile=function(){return 32768===(61440&this.mode)},t.prototype.isDirectory=function(){return 16384===(61440&this.mode)},t.prototype.isSymbolicLink=function(){return 40960===(61440&this.mode)},t.prototype.chmod=function(t){this.mode=61440&this.mode|t},t.prototype.isSocket=function(){return!1},t.prototype.isBlockDevice=function(){return!1},t.prototype.isCharacterDevice=function(){return!1},t.prototype.isFIFO=function(){return!1},t}();e.Stats=n}),u("generic/inode",["require","exports","../core/node_fs_stats","../core/buffer"],function(t,e,n,r){var i=function(){function t(t,e,n,r,i,o){this.id=t,this.size=e,this.mode=n,this.atime=r,this.mtime=i,this.ctime=o}return t.prototype.toStats=function(){return new n.Stats(16384===(61440&this.mode)?16384:32768,this.size,this.mode,new Date(this.atime),new Date(this.mtime),new Date(this.ctime))},t.prototype.getSize=function(){return 30+this.id.length},t.prototype.toBuffer=function(t){return"undefined"==typeof t&&(t=new r.Buffer(this.getSize())),t.writeUInt32LE(this.size,0),t.writeUInt16LE(this.mode,4),t.writeDoubleLE(this.atime,6),t.writeDoubleLE(this.mtime,14),t.writeDoubleLE(this.ctime,22),t.write(this.id,30,this.id.length,"ascii"),t},t.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},t.fromBuffer=function(e){if(void 0===e)throw new Error("NO");return new t(e.toString("ascii",30),e.readUInt32LE(0),e.readUInt16LE(4),e.readDoubleLE(6),e.readDoubleLE(14),e.readDoubleLE(22))},t.prototype.isFile=function(){return 32768===(61440&this.mode)},t.prototype.isDirectory=function(){return 16384===(61440&this.mode)},t}();return i}),u("core/file",["require","exports","./api_error"],function(t,e,n){var r=n.ApiError;n.ErrorCode;var i=function(){function t(){}return t.prototype.sync=function(t){t(new r(14))},t.prototype.syncSync=function(){throw new r(14)},t.prototype.datasync=function(t){this.sync(t)},t.prototype.datasyncSync=function(){return this.syncSync()},t.prototype.chown=function(t,e,n){n(new r(14))},t.prototype.chownSync=function(){throw new r(14)},t.prototype.chmod=function(t,e){e(new r(14))},t.prototype.chmodSync=function(){throw new r(14)},t.prototype.utimes=function(t,e,n){n(new r(14))},t.prototype.utimesSync=function(){throw new r(14)},t}();e.BaseFile=i});var f=this.__extends||function(t,e){function n(){this.constructor=t}for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r]);n.prototype=e.prototype,t.prototype=new n};u("generic/preload_file",["require","exports","../core/file","../core/buffer","../core/api_error","../core/node_fs"],function(t,e,n,r,i,o){var a=i.ApiError;i.ErrorCode;var s=o.fs,u=r.Buffer,c=function(t){function e(e,n,r,i,o){if(t.call(this),this._pos=0,this._fs=e,this._path=n,this._flag=r,this._stat=i,this._buffer=null!=o?o:new u(0),this._stat.size!==this._buffer.length)throw new Error("Invalid buffer: Buffer is "+this._buffer.length+" long, yet Stats object specifies that file is "+this._stat.size+" long.")}return f(e,t),e.prototype.getPath=function(){return this._path},e.prototype.getPos=function(){return this._flag.isAppendable()?this._stat.size:this._pos},e.prototype.advancePos=function(t){return this._pos+=t},e.prototype.setPos=function(t){return this._pos=t},e.prototype.sync=function(t){try{this.syncSync(),t()}catch(e){t(e)}},e.prototype.syncSync=function(){throw new a(14)},e.prototype.close=function(t){try{this.closeSync(),t()}catch(e){t(e)}},e.prototype.closeSync=function(){throw new a(14)},e.prototype.stat=function(t){try{t(null,this._stat.clone())}catch(e){t(e)}},e.prototype.statSync=function(){return this._stat.clone()},e.prototype.truncate=function(t,e){try{this.truncateSync(t),this._flag.isSynchronous()&&!s.getRootFS().supportsSynch()&&this.sync(e),e()}catch(n){return e(n)}},e.prototype.truncateSync=function(t){if(!this._flag.isWriteable())throw new a(0,"File not opened with a writeable mode.");if(this._stat.mtime=new Date,t>this._buffer.length){var e=new u(t-this._buffer.length);return e.fill(0),this.writeSync(e,0,e.length,this._buffer.length),this._flag.isSynchronous()&&s.getRootFS().supportsSynch()&&this.syncSync(),void 0}this._stat.size=t;var n=new u(t);this._buffer.copy(n,0,0,t),this._buffer=n,this._flag.isSynchronous()&&s.getRootFS().supportsSynch()&&this.syncSync()},e.prototype.write=function(t,e,n,r,i){try{i(null,this.writeSync(t,e,n,r),t)}catch(o){i(o)}},e.prototype.writeSync=function(t,e,n,r){if(null==r&&(r=this.getPos()),!this._flag.isWriteable())throw new a(0,"File not opened with a writeable mode.");var i=r+n;if(i>this._stat.size&&(this._stat.size=i,i>this._buffer.length)){var o=new u(i);this._buffer.copy(o),this._buffer=o}var s=t.copy(this._buffer,r,e,e+n);return this._stat.mtime=new Date,this._flag.isSynchronous()?(this.syncSync(),s):(this.setPos(r+s),s)},e.prototype.read=function(t,e,n,r,i){try{i(null,this.readSync(t,e,n,r),t)}catch(o){i(o)}},e.prototype.readSync=function(t,e,n,r){if(!this._flag.isReadable())throw new a(0,"File not opened with a readable mode.");null==r&&(r=this.getPos());var i=r+n;i>this._stat.size&&(n=this._stat.size-r);var o=this._buffer.copy(t,e,r,r+n);return this._stat.atime=new Date,this._pos=r+n,o},e.prototype.chmod=function(t,e){try{this.chmodSync(t),e()}catch(n){e(n)}},e.prototype.chmodSync=function(t){if(!this._fs.supportsProps())throw new a(14);this._stat.chmod(t),this.syncSync()},e}(n.BaseFile);e.PreloadFile=c;var p=function(t){function e(e,n,r,i,o){t.call(this,e,n,r,i,o)}return f(e,t),e.prototype.sync=function(t){t()},e.prototype.syncSync=function(){},e.prototype.close=function(t){t()},e.prototype.closeSync=function(){},e}(c);e.NoSyncFile=p});var f=this.__extends||function(t,e){function n(){this.constructor=t}for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r]);n.prototype=e.prototype,t.prototype=new n};u("generic/key_value_filesystem",["require","exports","../core/file_system","../core/api_error","../core/node_fs_stats","../core/node_path","../generic/inode","../core/buffer","../generic/preload_file"],function(t,e,n,r,i,o,a,s,u){function c(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(t){var e=0|16*Math.random(),n="x"==t?e:8|3&e;return n.toString(16)})}function p(t,e){return t?(e(t),!1):!0}function h(t,e,n){return t?(e.abort(function(){n(t)}),!1):!0}var l="/",d=o.path,y=r.ApiError,g=s.Buffer,w=function(){function t(t){this.store=t,this.originalData={},this.modifiedKeys=[]}return t.prototype.stashOldValue=function(t,e){this.originalData.hasOwnProperty(t)||(this.originalData[t]=e)},t.prototype.markModified=function(t){-1===this.modifiedKeys.indexOf(t)&&(this.modifiedKeys.push(t),this.originalData.hasOwnProperty(t)||(this.originalData[t]=this.store.get(t)))},t.prototype.get=function(t){var e=this.store.get(t);return this.stashOldValue(t,e),e},t.prototype.put=function(t,e,n){return this.markModified(t),this.store.put(t,e,n)},t.prototype.delete=function(t){this.markModified(t),this.store.delete(t)},t.prototype.commit=function(){},t.prototype.abort=function(){var t,e,n;for(t=0;t<this.modifiedKeys.length;t++)e=this.modifiedKeys[t],n=this.originalData[e],null===n?this.store.delete(e):this.store.put(e,n,!0)},t}();e.SimpleSyncRWTransaction=w;var m=function(t){function e(e,n,r,i,o){t.call(this,e,n,r,i,o)}return f(e,t),e.prototype.syncSync=function(){this._fs._syncSync(this._path,this._buffer,this._stat)},e.prototype.closeSync=function(){this.syncSync()},e}(u.PreloadFile);e.SyncKeyValueFile=m;var v=function(t){function e(e){t.call(this),this.store=e.store,this.makeRootDirectory()}return f(e,t),e.isAvailable=function(){return!0},e.prototype.getName=function(){return this.store.name()},e.prototype.isReadOnly=function(){return!1},e.prototype.supportsSymlinks=function(){return!1},e.prototype.supportsProps=function(){return!1},e.prototype.supportsSynch=function(){return!0},e.prototype.makeRootDirectory=function(){var t=this.store.beginTransaction("readwrite");if(void 0===t.get(l)){var e=(new Date).getTime(),n=new a(c(),4096,16895,e,e,e);t.put(n.id,new g("{}"),!1),t.put(l,n.toBuffer(),!1),t.commit()}},e.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 y.ENOENT(d.resolve(e,n))};return"/"===e?""===n?l:i(this.getINode(t,e,l)):i(this.getINode(t,e+d.sep+n,this._findINode(t,d.dirname(e),d.basename(e))))},e.prototype.findINode=function(t,e){return this.getINode(t,e,this._findINode(t,d.dirname(e),d.basename(e)))},e.prototype.getINode=function(t,e,n){var r=t.get(n);if(void 0===r)throw y.ENOENT(e);return a.fromBuffer(r)},e.prototype.getDirListing=function(t,e,n){if(!n.isDirectory())throw y.ENOTDIR(e);var r=t.get(n.id);if(void 0===r)throw y.ENOENT(e);return JSON.parse(r.toString())},e.prototype.addNewNode=function(t,e){for(var n,r=0;5>r;)try{return n=c(),t.put(n,e,!1),n}catch(i){}throw new y(2,"Unable to commit data to key-value store.")},e.prototype.commitNewFile=function(t,e,n,r,i){var o=d.dirname(e),s=d.basename(e),u=this.findINode(t,o),f=this.getDirListing(t,o,u),c=(new Date).getTime();if("/"===e)throw y.EEXIST(e);if(f[s])throw y.EEXIST(e);try{var p=this.addNewNode(t,i),h=new a(p,i.length,r|n,c,c,c),l=this.addNewNode(t,h.toBuffer());f[s]=l,t.put(u.id,new g(JSON.stringify(f)),!0)}catch(w){throw t.abort(),w}return t.commit(),h},e.prototype.empty=function(){this.store.clear(),this.makeRootDirectory()},e.prototype.renameSync=function(t,e){var n=this.store.beginTransaction("readwrite"),r=d.dirname(t),i=d.basename(t),o=d.dirname(e),a=d.basename(e),s=this.findINode(n,r),u=this.getDirListing(n,r,s);if(!u[i])throw y.ENOENT(t);var f=u[i];if(delete u[i],0===(o+"/").indexOf(t+"/"))throw new y(5,r);var c,p;if(o===r?(c=s,p=u):(c=this.findINode(n,o),p=this.getDirListing(n,o,c)),p[a]){var h=this.getINode(n,e,p[a]);if(!h.isFile())throw y.EPERM(e);try{n.delete(h.id),n.delete(p[a])}catch(l){throw n.abort(),l}}p[a]=f;try{n.put(s.id,new g(JSON.stringify(u)),!0),n.put(c.id,new g(JSON.stringify(p)),!0)}catch(l){throw n.abort(),l}n.commit()},e.prototype.statSync=function(t){return this.findINode(this.store.beginTransaction("readonly"),t).toStats()},e.prototype.createFileSync=function(t,e,n){var r=this.store.beginTransaction("readwrite"),i=new g(0),o=this.commitNewFile(r,t,32768,n,i);return new m(this,t,e,o.toStats(),i)},e.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 y.ENOENT(t);return new m(this,t,e,r.toStats(),i)},e.prototype.removeEntry=function(t,e){var n=this.store.beginTransaction("readwrite"),r=d.dirname(t),i=this.findINode(n,r),o=this.getDirListing(n,r,i),a=d.basename(t);if(!o[a])throw y.ENOENT(t);var s=o[a];delete o[a];var u=this.getINode(n,t,s);if(!e&&u.isDirectory())throw y.EISDIR(t);if(e&&!u.isDirectory())throw y.ENOTDIR(t);try{n.delete(u.id),n.delete(s),n.put(i.id,new g(JSON.stringify(o)),!0)}catch(f){throw n.abort(),f}n.commit()},e.prototype.unlinkSync=function(t){this.removeEntry(t,!1)},e.prototype.rmdirSync=function(t){this.removeEntry(t,!0)},e.prototype.mkdirSync=function(t,e){var n=this.store.beginTransaction("readwrite"),r=new g("{}");this.commitNewFile(n,t,16384,e,r)},e.prototype.readdirSync=function(t){var e=this.store.beginTransaction("readonly");return Object.keys(this.getDirListing(e,t,this.findINode(e,t)))},e.prototype._syncSync=function(t,e,n){var r=this.store.beginTransaction("readwrite"),i=this._findINode(r,d.dirname(t),d.basename(t)),o=this.getINode(r,t,i),a=o.update(n);try{r.put(o.id,e,!0),a&&r.put(i,o.toBuffer(),!0)}catch(s){throw r.abort(),s}r.commit()},e}(n.SynchronousFileSystem);e.SyncKeyValueFileSystem=v;var b=function(t){function e(e,n,r,i,o){t.call(this,e,n,r,i,o)}return f(e,t),e.prototype.sync=function(t){this._fs._sync(this._path,this._buffer,this._stat,t)},e.prototype.close=function(t){this.sync(t)},e}(u.PreloadFile);e.AsyncKeyValueFile=b;var E=function(t){function e(){t.apply(this,arguments)}return f(e,t),e.prototype.init=function(t,e){this.store=t,this.makeRootDirectory(e)},e.isAvailable=function(){return!0},e.prototype.getName=function(){return this.store.name()},e.prototype.isReadOnly=function(){return!1},e.prototype.supportsSymlinks=function(){return!1},e.prototype.supportsProps=function(){return!1},e.prototype.supportsSynch=function(){return!1},e.prototype.makeRootDirectory=function(t){var e=this.store.beginTransaction("readwrite");e.get(l,function(n,r){if(n||void 0===r){var i=(new Date).getTime(),o=new a(c(),4096,16895,i,i,i);e.put(o.id,new g("{}"),!1,function(n){h(n,e,t)&&e.put(l,o.toBuffer(),!1,function(n){n?e.abort(function(){t(n)}):e.commit(t)})})}else e.commit(t)})},e.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(y.ENOENT(d.resolve(e,n)))};"/"===e?""===n?r(null,l):this.getINode(t,e,l,function(n,a){p(n,r)&&i.getDirListing(t,e,a,function(t,e){o(t,a,e)})}):this.findINodeAndDirListing(t,e,o)},e.prototype.findINode=function(t,e,n){var r=this;this._findINode(t,d.dirname(e),d.basename(e),function(i,o){p(i,n)&&r.getINode(t,e,o,n)})},e.prototype.getINode=function(t,e,n,r){t.get(n,function(t,n){p(t,r)&&(void 0===n?r(y.ENOENT(e)):r(null,a.fromBuffer(n)))})},e.prototype.getDirListing=function(t,e,n,r){n.isDirectory()?t.get(n.id,function(t,n){if(p(t,r))try{r(null,JSON.parse(n.toString()))}catch(t){r(y.ENOENT(e))}}):r(y.ENOTDIR(e))},e.prototype.findINodeAndDirListing=function(t,e,n){var r=this;this.findINode(t,e,function(i,o){p(i,n)&&r.getDirListing(t,e,o,function(t,e){p(t,n)&&n(null,o,e)})})},e.prototype.addNewNode=function(t,e,n){var r,i=0,o=function(){5===++i?n(new y(2,"Unable to commit data to key-value store.")):(r=c(),t.put(r,e,!1,function(t,e){t||!e?o():n(null,r)}))};o()},e.prototype.commitNewFile=function(t,e,n,r,i,o){var s=this,u=d.dirname(e),f=d.basename(e),c=(new Date).getTime();return"/"===e?o(y.EEXIST(e)):(this.findINodeAndDirListing(t,u,function(u,p,l){h(u,t,o)&&(l[f]?t.abort(function(){o(y.EEXIST(e))}):s.addNewNode(t,i,function(e,u){if(h(e,t,o)){var d=new a(u,i.length,r|n,c,c,c);s.addNewNode(t,d.toBuffer(),function(e,n){h(e,t,o)&&(l[f]=n,t.put(p.id,new g(JSON.stringify(l)),!0,function(e){h(e,t,o)&&t.commit(function(e){h(e,t,o)&&o(null,d)})}))})}}))}),void 0)},e.prototype.empty=function(t){var e=this;this.store.clear(function(n){p(n,t)&&e.makeRootDirectory(t)})},e.prototype.rename=function(t,e,n){var r=this,i=this.store.beginTransaction("readwrite"),o=d.dirname(t),a=d.basename(t),s=d.dirname(e),u=d.basename(e),f={},c={},p=!1;if(0===(s+"/").indexOf(t+"/"))return n(new y(5,o));var l=function(){if(!p&&c.hasOwnProperty(o)&&c.hasOwnProperty(s)){var l=c[o],d=f[o],w=c[s],m=f[s];if(l[a]){var v=l[a];delete l[a];var b=function(){w[u]=v,i.put(d.id,new g(JSON.stringify(l)),!0,function(t){h(t,i,n)&&(o===s?i.commit(n):i.put(m.id,new g(JSON.stringify(w)),!0,function(t){h(t,i,n)&&i.commit(n)}))})};w[u]?r.getINode(i,e,w[u],function(t,r){h(t,i,n)&&(r.isFile()?i.delete(r.id,function(t){h(t,i,n)&&i.delete(w[u],function(t){h(t,i,n)&&b()})}):i.abort(function(){n(y.EPERM(e))}))}):b()}else n(y.ENOENT(t))}},w=function(t){r.findINodeAndDirListing(i,t,function(e,r,o){e?p||(p=!0,i.abort(function(){n(e)})):(f[t]=r,c[t]=o,l())})};w(o),o!==s&&w(s)},e.prototype.stat=function(t,e,n){var r=this.store.beginTransaction("readonly");this.findINode(r,t,function(t,e){p(t,n)&&n(null,e.toStats())})},e.prototype.createFile=function(t,e,n,r){var i=this,o=this.store.beginTransaction("readwrite"),a=new g(0);this.commitNewFile(o,t,32768,n,a,function(n,o){p(n,r)&&r(null,new b(i,t,e,o.toStats(),a))})},e.prototype.openFile=function(t,e,n){var r=this,i=this.store.beginTransaction("readonly");this.findINode(i,t,function(o,a){p(o,n)&&i.get(a.id,function(i,o){p(i,n)&&(void 0===o?n(y.ENOENT(t)):n(null,new b(r,t,e,a.toStats(),o)))})})},e.prototype.removeEntry=function(t,e,n){var r=this,i=this.store.beginTransaction("readwrite"),o=d.dirname(t),a=d.basename(t);this.findINodeAndDirListing(i,o,function(o,s,u){if(h(o,i,n))if(u[a]){var f=u[a];delete u[a],r.getINode(i,t,f,function(r,o){h(r,i,n)&&(!e&&o.isDirectory()?i.abort(function(){n(y.EISDIR(t))}):e&&!o.isDirectory()?i.abort(function(){n(y.ENOTDIR(t))}):i.delete(o.id,function(t){h(t,i,n)&&i.delete(f,function(t){h(t,i,n)&&i.put(s.id,new g(JSON.stringify(u)),!0,function(t){h(t,i,n)&&i.commit(n)})})}))})}else i.abort(function(){n(y.ENOENT(t))})})},e.prototype.unlink=function(t,e){this.removeEntry(t,!1,e)},e.prototype.rmdir=function(t,e){this.removeEntry(t,!0,e)},e.prototype.mkdir=function(t,e,n){var r=this.store.beginTransaction("readwrite"),i=new g("{}");this.commitNewFile(r,t,16384,e,i,n)},e.prototype.readdir=function(t,e){var n=this,r=this.store.beginTransaction("readonly");this.findINode(r,t,function(i,o){p(i,e)&&n.getDirListing(r,t,o,function(t,n){p(t,e)&&e(null,Object.keys(n))})})},e.prototype._sync=function(t,e,n,r){var i=this,o=this.store.beginTransaction("readwrite");this._findINode(o,d.dirname(t),d.basename(t),function(a,s){h(a,o,r)&&i.getINode(o,t,s,function(t,i){if(h(t,o,r)){var a=i.update(n);o.put(i.id,e,!0,function(t){h(t,o,r)&&(a?o.put(s,i.toBuffer(),!0,function(t){h(t,o,r)&&o.commit(r)}):o.commit(r))})}})})},e}(n.BaseFileSystem);e.AsyncKeyValueFileSystem=E}),u("core/global",["require","exports"],function(){var t;return t="undefined"!=typeof window?window:"undefined"!=typeof self?self:global});var f=this.__extends||function(t,e){function n(){this.constructor=t}for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r]);n.prototype=e.prototype,t.prototype=new 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e)e.hasOwnProperty(r)&&(t[r]=e[r]);n.prototype=e.prototype,t.prototype=new n};u("backend/mountable_file_system",["require","exports","../core/file_system","./in_memory","../core/api_error","../core/node_fs","../core/browserfs"],function(t,e,n,r,i,o,a){function s(t,e){return e?function(){for(var e=[],n=0;n<arguments.length-0;n++)e[n]=arguments[n+0];var r=e[0],i=this._get_fs(r);e[0]=i.path;try{return i.fs[t].apply(i.fs,e)}catch(o){throw this.standardizeError(o,i.path,r),o}}:function(){for(var e=[],n=0;n<arguments.length-0;n++)e[n]=arguments[n+0];var r=e[0],o=this._get_fs(r);if(e[0]=o.path,"function"==typeof e[e.length-1]){var a=e[e.length-1],s=this;e[e.length-1]=function(){for(var t=[],e=0;e<arguments.length-0;e++)t[e]=arguments[e+0];t.length>0&&t[0]instanceof i.ApiError&&s.standardizeError(t[0],o.path,r),a.apply(null,t)}}return o.fs[t].apply(o.fs,e)}}var u=i.ApiError;i.ErrorCode;var c=o.fs,p=function(t){function e(){t.call(this),this.mntMap={},this.rootFs=new r.InMemoryFileSystem}return f(e,t),e.prototype.mount=function(t,e){if(this.mntMap[t])throw new u(9,"Mount point "+t+" is already taken.");this.rootFs.mkdirSync(t,511),this.mntMap[t]=e},e.prototype.umount=function(t){if(!this.mntMap[t])throw new u(9,"Mount point "+t+" is already unmounted.");delete this.mntMap[t],this.rootFs.rmdirSync(t)},e.prototype._get_fs=function(t){for(var e in this.mntMap){var n=this.mntMap[e];if(0===t.indexOf(e))return t=t.substr(e.length>1?e.length:0),""===t&&(t="/"),{fs:n,path:t}}return{fs:this.rootFs,path:t}},e.prototype.getName=function(){return"MountableFileSystem"},e.isAvailable=function(){return!0},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;return-1!==(r=t.message.indexOf(e))&&(t.message=t.message.substr(0,r)+n+t.message.substr(r+e.length)),t},e.prototype.rename=function(t,e,n){var r=this._get_fs(t),i=this._get_fs(e);if(r.fs===i.fs){var o=this;return r.fs.rename(r.path,i.path,function(a){a&&o.standardizeError(o.standardizeError(a,r.path,t),i.path,e),n(a)})}return c.readFile(t,function(r,i){return r?n(r):(c.writeFile(e,i,function(e){return e?n(e):(c.unlink(t,n),void 0)}),void 0)})},e.prototype.renameSync=function(t,e){var n=this._get_fs(t),r=this._get_fs(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 o=c.readFileSync(t);return c.writeFileSync(e,o),c.unlinkSync(t)},e}(n.BaseFileSystem);e.MountableFileSystem=p;for(var h=[["readdir","exists","unlink","rmdir","readlink"],["stat","mkdir","realpath","truncate"],["open","readFile","chmod","utimes"],["chown"],["writeFile","appendFile"]],l=0;l<h.length;l++)for(var d=h[l],y=0;y<d.length;y++){var g=d[y];p.prototype[g]=s(g,!1,l+1),p.prototype[g+"Sync"]=s(g+"Sync",!0,l+1)}a.registerFileSystem("MountableFileSystem",p)}),function(){function t(t,e){var n=t.split("."),r=s;!(n[0]in r)&&r.execScript&&r.execScript("var "+n[0]);for(var i;n.length&&(i=n.shift());)n.length||e===a?r=r[i]?r[i]:r[i]={}:r[i]=e}function e(t){var e,n,r,i,o,a,s,f,c,p=t.length,h=0,l=Number.POSITIVE_INFINITY;for(f=0;p>f;++f)t[f]>h&&(h=t[f]),t[f]<l&&(l=t[f]);for(e=1<<h,n=new(u?Uint32Array:Array)(e),r=1,i=0,o=2;h>=r;){for(f=0;p>f;++f)if(t[f]===r){for(a=0,s=i,c=0;r>c;++c)a=a<<1|1&s,s>>=1;for(c=a;e>c;c+=o)n[c]=r<<16|f;++i}++r,i<<=1,o<<=1}return[n,h,l]}function n(t,e){switch(this.g=[],this.h=32768,this.c=this.f=this.d=this.k=0,this.input=u?new Uint8Array(t):t,this.l=!1,this.i=c,this.p=!1,(e||!(e={}))&&(e.index&&(this.d=e.index),e.bufferSize&&(this.h=e.bufferSize),e.bufferType&&(this.i=e.bufferType),e.resize&&(this.p=e.resize)),this.i){case f:this.a=32768,this.b=new(u?Uint8Array:Array)(32768+this.h+258);break;case c:this.a=0,this.b=new(u?Uint8Array:Array)(this.h),this.e=this.u,this.m=this.r,this.j=this.s;break;default:throw Error("invalid inflate mode")}}function r(t,e){for(var n,r=t.f,i=t.c,o=t.input,s=t.d;e>i;){if(n=o[s++],n===a)throw Error("input buffer is broken");r|=n<<i,i+=8}return n=r&(1<<e)-1,t.f=r>>>e,t.c=i-e,t.d=s,n}function i(t,e){for(var n,r,i,o=t.f,s=t.c,u=t.input,f=t.d,c=e[0],p=e[1];p>s&&(n=u[f++],n!==a);)o|=n<<s,s+=8;return r=c[o&(1<<p)-1],i=r>>>16,t.f=o>>i,t.c=s-i,t.d=f,65535&r}function o(t){function n(t,e,n){var o,a,s,u;for(u=0;t>u;)switch(o=i(this,e)){case 16:for(s=3+r(this,2);s--;)n[u++]=a;break;case 17:for(s=3+r(this,3);s--;)n[u++]=0;a=0;break;case 18:for(s=11+r(this,7);s--;)n[u++]=0;a=0;break;default:a=n[u++]=o}return n}var o,a,s,f,c=r(t,5)+257,p=r(t,5)+1,h=r(t,4)+4,l=new(u?Uint8Array:Array)(d.length);for(f=0;h>f;++f)l[d[f]]=r(t,3);o=e(l),a=new(u?Uint8Array:Array)(c),s=new(u?Uint8Array:Array)(p),t.j(e(n.call(t,c,o,a)),e(n.call(t,p,o,s)))}var a=void 0,s=this,u="undefined"!=typeof Uint8Array&&"undefined"!=typeof Uint16Array&&"undefined"!=typeof Uint32Array,f=0,c=1;n.prototype.t=function(){for(;!this.l;){var t=r(this,3);switch(1&t&&(this.l=!0),t>>>=1){case 0:var e=this.input,n=this.d,i=this.b,s=this.a,p=a,h=a,l=a,d=i.length,y=a;if(this.c=this.f=0,p=e[n++],p===a)throw Error("invalid uncompressed block header: LEN (first byte)");if(h=p,p=e[n++],p===a)throw Error("invalid uncompressed block header: LEN (second byte)");if(h|=p<<8,p=e[n++],p===a)throw Error("invalid uncompressed block header: NLEN (first byte)");if(l=p,p=e[n++],p===a)throw Error("invalid uncompressed block header: NLEN (second byte)");if(l|=p<<8,h===~l)throw Error("invalid uncompressed block header: length verify");if(n+h>e.length)throw Error("input buffer is broken");switch(this.i){case f:for(;s+h>i.length;){if(y=d-s,h-=y,u)i.set(e.subarray(n,n+y),s),s+=y,n+=y;else for(;y--;)i[s++]=e[n++];this.a=s,i=this.e(),s=this.a}break;case c:for(;s+h>i.length;)i=this.e({o:2});break;default:throw Error("invalid inflate mode")}if(u)i.set(e.subarray(n,n+h),s),s+=h,n+=h;else for(;h--;)i[s++]=e[n++];this.d=n,this.a=s,this.b=i;break;case 1:this.j(A,N);break;case 2:o(this);break;default:throw Error("unknown BTYPE: "+t)}}return this.m()};var p,h,l=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],d=u?new Uint16Array(l):l,y=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,258,258],g=u?new Uint16Array(y):y,w=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0],m=u?new Uint8Array(w):w,v=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577],b=u?new Uint16Array(v):v,E=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],S=u?new Uint8Array(E):E,I=new(u?Uint8Array:Array)(288);for(p=0,h=I.length;h>p;++p)I[p]=143>=p?8:255>=p?9:279>=p?7:8;var _,F,A=e(I),x=new(u?Uint8Array:Array)(30);for(_=0,F=x.length;F>_;++_)x[_]=5;var N=e(x);n.prototype.j=function(t,e){var n=this.b,o=this.a;this.n=t;for(var a,s,u,f,c=n.length-258;256!==(a=i(this,t));)if(256>a)o>=c&&(this.a=o,n=this.e(),o=this.a),n[o++]=a;else for(s=a-257,f=g[s],0<m[s]&&(f+=r(this,m[s])),a=i(this,e),u=b[a],0<S[a]&&(u+=r(this,S[a])),o>=c&&(this.a=o,n=this.e(),o=this.a);f--;)n[o]=n[o++-u];for(;8<=this.c;)this.c-=8,this.d--;this.a=o},n.prototype.s=function(t,e){var n=this.b,o=this.a;this.n=t;for(var a,s,u,f,c=n.length;256!==(a=i(this,t));)if(256>a)o>=c&&(n=this.e(),c=n.length),n[o++]=a;else for(s=a-257,f=g[s],0<m[s]&&(f+=r(this,m[s])),a=i(this,e),u=b[a],0<S[a]&&(u+=r(this,S[a])),o+f>c&&(n=this.e(),c=n.length);f--;)n[o]=n[o++-u];for(;8<=this.c;)this.c-=8,this.d--;this.a=o},n.prototype.e=function(){var t,e,n=new(u?Uint8Array:Array)(this.a-32768),r=this.a-32768,i=this.b;if(u)n.set(i.subarray(32768,n.length));else for(t=0,e=n.length;e>t;++t)n[t]=i[t+32768];if(this.g.push(n),this.k+=n.length,u)i.set(i.subarray(r,r+32768));else for(t=0;32768>t;++t)i[t]=i[r+t];return this.a=32768,i},n.prototype.u=function(t){var e,n,r,i,o=0|this.input.length/this.d+1,a=this.input,s=this.b;return t&&("number"==typeof t.o&&(o=t.o),"number"==typeof t.q&&(o+=t.q)),2>o?(n=(a.length-this.d)/this.n[2],i=0|258*(n/2),r=i<s.length?s.length+i:s.length<<1):r=s.length*o,u?(e=new Uint8Array(r),e.set(s)):e=s,this.b=e},n.prototype.m=function(){var t,e,n,r,i,o=0,a=this.b,s=this.g,f=new(u?Uint8Array:Array)(this.k+(this.a-32768));if(0===s.length)return u?this.b.subarray(32768,this.a):this.b.slice(32768,this.a);for(e=0,n=s.length;n>e;++e)for(t=s[e],r=0,i=t.length;i>r;++r)f[o++]=t[r];for(e=32768,n=this.a;n>e;++e)f[o++]=a[e];return this.g=[],this.buffer=f},n.prototype.r=function(){var t,e=this.a;return u?this.p?(t=new Uint8Array(e),t.set(this.b.subarray(0,e))):t=this.b.subarray(0,e):(this.b.length>e&&(this.b.length=e),t=this.b),this.buffer=t},t("Zlib.RawInflate",n),t("Zlib.RawInflate.prototype.decompress",n.prototype.t);var L,U,D,T,O={ADAPTIVE:c,BLOCK:f};if(Object.keys)L=Object.keys(O);else for(U in L=[],D=0,O)L[D++]=U;for(D=0,T=L.length;T>D;++D)U=L[D],t("Zlib.RawInflate.BufferType."+U,O[U])}.call(this),u("zlib",function(t){return function(){var e;return e||t.Zlib.RawInflate}}(this));var f=this.__extends||function(t,e){function n(){this.constructor=t}for(var r in e)e.hasOwnProperty(r)&&(t[r]=e[r]);n.prototype=e.prototype,t.prototype=new n};u("backend/zipfs",["require","exports","../core/buffer","../core/api_error","../generic/file_index","../core/browserfs","../core/node_fs_stats","../core/file_system","../core/file_flag","../core/buffer_core_arraybuffer","../generic/preload_file","zlib"],function(t,e,n,r,i,o,a,s,u,c,p){function h(t,e){var n=31&e,r=(15&e>>5)-1,i=(e>>9)+1980,o=31&t,a=63&t>>5,s=t>>11;return new Date(i,r,n,s,a,o)}function l(t,e,n,r){return 0===r?"":t.toString(e?"utf8":"extended_ascii",n,n+r)}var d=r.ApiError;r.ErrorCode,u.ActionType;var y=Zlib.RawInflate;!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"
  }(e.ExternalFileAttributeType||(e.ExternalFileAttributeType={})),e.ExternalFileAttributeType,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"}(e.CompressionMethod||(e.CompressionMethod={}));var g=e.CompressionMethod,w=function(){function t(t){if(this.data=t,67324752!==t.readUInt32LE(0))throw new d(9,"Invalid Zip file: Local file header has invalid signature: "+this.data.readUInt32LE(0))}return t.prototype.versionNeeded=function(){return this.data.readUInt16LE(4)},t.prototype.flags=function(){return this.data.readUInt16LE(6)},t.prototype.compressionMethod=function(){return this.data.readUInt16LE(8)},t.prototype.lastModFileTime=function(){return h(this.data.readUInt16LE(10),this.data.readUInt16LE(12))},t.prototype.crc32=function(){return this.data.readUInt32LE(14)},t.prototype.fileNameLength=function(){return this.data.readUInt16LE(26)},t.prototype.extraFieldLength=function(){return this.data.readUInt16LE(28)},t.prototype.fileName=function(){return l(this.data,this.useUTF8(),30,this.fileNameLength())},t.prototype.extraField=function(){var t=30+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},t.prototype.totalSize=function(){return 30+this.fileNameLength()+this.extraFieldLength()},t.prototype.useUTF8=function(){return 2048===(2048&this.flags())},t}();e.FileHeader=w;var m=function(){function t(t,e,n){this.header=t,this.record=e,this.data=n}return t.prototype.decompress=function(){var t=this.data,e=this.header.compressionMethod();switch(e){case 8:if(t.getBufferCore()instanceof c.BufferCoreArrayBuffer){var r=t.getBufferCore(),i=r.getDataView(),o=i.byteOffset+t.getOffset(),a=new Uint8Array(i.buffer).subarray(o,o+this.record.compressedSize()),s=new y(a).decompress();return new n.Buffer(new c.BufferCoreArrayBuffer(s.buffer),s.byteOffset,s.byteOffset+s.length)}var u=t.slice(0,this.record.compressedSize());return new n.Buffer(new y(u.toJSON().data).decompress());case 0:return t.sliceCopy(0,this.record.uncompressedSize());default:var f=g[e];throw f=f?f:"Unknown: "+e,new d(9,"Invalid compression method on file '"+this.header.fileName()+"': "+f)}},t}();e.FileData=m;var v=function(){function t(t){this.data=t}return t.prototype.crc32=function(){return this.data.readUInt32LE(0)},t.prototype.compressedSize=function(){return this.data.readUInt32LE(4)},t.prototype.uncompressedSize=function(){return this.data.readUInt32LE(8)},t}();e.DataDescriptor=v;var b=function(){function t(t){if(this.data=t,134630224!==this.data.readUInt32LE(0))throw new d(9,"Invalid archive extra data record signature: "+this.data.readUInt32LE(0))}return t.prototype.length=function(){return this.data.readUInt32LE(4)},t.prototype.extraFieldData=function(){return this.data.slice(8,8+this.length())},t}();e.ArchiveExtraDataRecord=b;var E=function(){function t(t){if(this.data=t,84233040!==this.data.readUInt32LE(0))throw new d(9,"Invalid digital signature signature: "+this.data.readUInt32LE(0))}return t.prototype.size=function(){return this.data.readUInt16LE(4)},t.prototype.signatureData=function(){return this.data.slice(6,6+this.size())},t}();e.DigitalSignature=E;var S=function(){function t(t,e){if(this.zipData=t,this.data=e,33639248!==this.data.readUInt32LE(0))throw new d(9,"Invalid Zip file: Central directory record has invalid signature: "+this.data.readUInt32LE(0))}return t.prototype.versionMadeBy=function(){return this.data.readUInt16LE(4)},t.prototype.versionNeeded=function(){return this.data.readUInt16LE(6)},t.prototype.flag=function(){return this.data.readUInt16LE(8)},t.prototype.compressionMethod=function(){return this.data.readUInt16LE(10)},t.prototype.lastModFileTime=function(){return h(this.data.readUInt16LE(12),this.data.readUInt16LE(14))},t.prototype.crc32=function(){return this.data.readUInt32LE(16)},t.prototype.compressedSize=function(){return this.data.readUInt32LE(20)},t.prototype.uncompressedSize=function(){return this.data.readUInt32LE(24)},t.prototype.fileNameLength=function(){return this.data.readUInt16LE(28)},t.prototype.extraFieldLength=function(){return this.data.readUInt16LE(30)},t.prototype.fileCommentLength=function(){return this.data.readUInt16LE(32)},t.prototype.diskNumberStart=function(){return this.data.readUInt16LE(34)},t.prototype.internalAttributes=function(){return this.data.readUInt16LE(36)},t.prototype.externalAttributes=function(){return this.data.readUInt32LE(38)},t.prototype.headerRelativeOffset=function(){return this.data.readUInt32LE(42)},t.prototype.fileName=function(){var t=l(this.data,this.useUTF8(),46,this.fileNameLength());return t.replace(/\\/g,"/")},t.prototype.extraField=function(){var t=44+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},t.prototype.fileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return l(this.data,this.useUTF8(),t,this.fileCommentLength())},t.prototype.totalSize=function(){return 46+this.fileNameLength()+this.extraFieldLength()+this.fileCommentLength()},t.prototype.isDirectory=function(){var t=this.fileName();return(16&this.externalAttributes()?!0:!1)||"/"===t.charAt(t.length-1)},t.prototype.isFile=function(){return!this.isDirectory()},t.prototype.useUTF8=function(){return 2048===(2048&this.flag())},t.prototype.isEncrypted=function(){return 1===(1&this.flag())},t.prototype.getData=function(){var t=this.headerRelativeOffset(),e=new w(this.zipData.slice(t)),n=new m(e,this,this.zipData.slice(t+e.totalSize()));return n.decompress()},t.prototype.getStats=function(){return new a.Stats(32768,this.uncompressedSize(),365,new Date,this.lastModFileTime())},t}();e.CentralDirectory=S;var I=function(){function t(t){if(this.data=t,101010256!==this.data.readUInt32LE(0))throw new d(9,"Invalid Zip file: End of central directory record has invalid signature: "+this.data.readUInt32LE(0))}return t.prototype.diskNumber=function(){return this.data.readUInt16LE(4)},t.prototype.cdDiskNumber=function(){return this.data.readUInt16LE(6)},t.prototype.cdDiskEntryCount=function(){return this.data.readUInt16LE(8)},t.prototype.cdTotalEntryCount=function(){return this.data.readUInt16LE(10)},t.prototype.cdSize=function(){return this.data.readUInt32LE(12)},t.prototype.cdOffset=function(){return this.data.readUInt32LE(16)},t.prototype.cdZipComment=function(){return l(this.data,!0,22,this.data.readUInt16LE(20))},t}();e.EndOfCentralDirectory=I;var _=function(t){function e(e,n){"undefined"==typeof n&&(n=""),t.call(this),this.data=e,this.name=n,this._index=new i.FileIndex,this.populateIndex()}return f(e,t),e.prototype.getName=function(){return"ZipFS"+(""!==this.name?" "+this.name:"")},e.isAvailable=function(){return!0},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){var e=this._index.getInode(t);if(null===e)throw new d(1,""+t+" not found.");var n;return n=e.isFile()?e.getData().getStats():e.getStats()},e.prototype.openSync=function(t,e){if(e.isWriteable())throw new d(0,t);var n=this._index.getInode(t);if(null===n)throw new d(1,""+t+" is not in the FileIndex.");if(n.isDir())throw new d(8,""+t+" is a directory.");var r=n.getData(),i=r.getStats();switch(e.pathExistsAction()){case 1:case 2:throw new d(6,""+t+" already exists.");case 0:return new p.NoSyncFile(this,t,e,i,r.getData());default:throw new d(9,"Invalid FileMode object.")}return null},e.prototype.readdirSync=function(t){var e=this._index.getInode(t);if(null===e)throw new d(1,""+t+" not found.");if(e.isFile())throw new d(7,""+t+" is a file, not a directory.");return e.getListing()},e.prototype.readFileSync=function(t,e,r){var i=this.openSync(t,r,420);try{var o=i,a=o._buffer;return null===e?a.length>0?a.sliceCopy():new n.Buffer(0):a.toString(e)}finally{i.closeSync()}},e.prototype.getEOCD=function(){for(var t=22,e=Math.min(t+65535,this.data.length-1),n=t;e>n;n++)if(101010256===this.data.readUInt32LE(this.data.length-n))return new I(this.data.slice(this.data.length-n));throw new d(9,"Invalid ZIP file: Could not locate End of Central Directory signature.")},e.prototype.populateIndex=function(){var t=this.getEOCD();if(t.diskNumber()!==t.cdDiskNumber())throw new d(9,"ZipFS does not support spanned zip files.");var e=t.cdOffset();if(4294967295===e)throw new d(9,"ZipFS does not support Zip64.");for(var n=e+t.cdSize();n>e;){var r=new S(this.data,this.data.slice(e));e+=r.totalSize();var o=r.fileName();if("/"===o.charAt(0))throw new Error("WHY IS THIS ABSOLUTE");"/"===o.charAt(o.length-1)&&(o=o.substr(0,o.length-1)),r.isDirectory()?this._index.addPath("/"+o,new i.DirInode):this._index.addPath("/"+o,new i.FileInode(r))}},e}(s.SynchronousFileSystem);e.ZipFS=_,o.registerFileSystem("ZipFS",_)}),s("core/global").BrowserFS=s("core/browserfs"),s("generic/emscripten_fs"),s("backend/IndexedDB"),s("backend/XmlHttpRequest"),s("backend/dropbox"),s("backend/html5fs"),s("backend/in_memory"),s("backend/localStorage"),s("backend/mountable_file_system"),s("backend/zipfs")}();
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