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f[h++]=pa[oa++];while(--q);0===c.length&&(c.mode=ca);break;case ha:if(0===j)break a;f[h++]=c.length,j--,c.mode=ca;break;case ia:if(c.wrap){for(;32>n;){if(0===i)break a;i--,m|=e[g++]<<n,n+=8}if(p-=j,a.total_out+=p,c.total+=p,p&&(a.adler=c.check=c.flags?t(c.check,f,p,h-p):s(c.check,f,p,h-p)),p=j,(c.flags?m:d(m))!==c.check){a.msg="incorrect data check",c.mode=la;break}m=0,n=0}c.mode=ja;case ja:if(c.wrap&&c.flags){for(;32>n;){if(0===i)break a;i--,m+=e[g++]<<n,n+=8}if(m!==(4294967295&c.total)){a.msg="incorrect length check",c.mode=la;break}m=0,n=0}c.mode=ka;case ka:xa=D;break a;case la:xa=G;break a;case ma:return H;case na:default:return F}return a.next_out=h,a.avail_out=j,a.next_in=g,a.avail_in=i,c.hold=m,c.bits=n,(c.wsize||p!==a.avail_out&&c.mode<la&&(c.mode<ia||b!==z))&&l(a,a.output,a.next_out,p-a.avail_out)?(c.mode=ma,H):(o-=a.avail_in,p-=a.avail_out,a.total_in+=o,a.total_out+=p,c.total+=p,c.wrap&&p&&(a.adler=c.check=c.flags?t(c.check,f,p,a.next_out-p):s(c.check,f,p,a.next_out-p)),a.data_type=c.bits+(c.last?64:0)+(c.mode===V?128:0)+(c.mode===ba||c.mode===Y?256:0),(0===o&&0===p||b===z)&&xa===C&&(xa=I),xa)}function n(a){if(!a||!a.state)return F;var b=a.state;return b.window&&(b.window=null),a.state=null,C}function o(a,b){var c;return a&&a.state?(c=a.state,0===(2&c.wrap)?F:(c.head=b,b.done=!1,C)):F}var p,q,r=a("../utils/common"),s=a("./adler32"),t=a("./crc32"),u=a("./inffast"),v=a("./inftrees"),w=0,x=1,y=2,z=4,A=5,B=6,C=0,D=1,E=2,F=-2,G=-3,H=-4,I=-5,J=8,K=1,L=2,M=3,N=4,O=5,P=6,Q=7,R=8,S=9,T=10,U=11,V=12,W=13,X=14,Y=15,Z=16,$=17,_=18,aa=19,ba=20,ca=21,da=22,ea=23,fa=24,ga=25,ha=26,ia=27,ja=28,ka=29,la=30,ma=31,na=32,oa=852,pa=592,qa=15,ra=qa,sa=!0;c.inflateReset=g,c.inflateReset2=h,c.inflateResetKeep=f,c.inflateInit=j,c.inflateInit2=i,c.inflate=m,c.inflateEnd=n,c.inflateGetHeader=o,c.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":1,"./adler32":3,"./crc32":5,"./inffast":7,"./inftrees":9}],9:[function(a,b,c){"use strict";var d=a("../utils/common"),e=15,f=852,g=592,h=0,i=1,j=2,k=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],l=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],m=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],n=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];b.exports=function(a,b,c,o,p,q,r,s){var t,u,v,w,x,y,z,A,B,C=s.bits,D=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=null,O=0,P=new d.Buf16(e+1),Q=new d.Buf16(e+1),R=null,S=0;for(D=0;e>=D;D++)P[D]=0;for(E=0;o>E;E++)P[b[c+E]]++;for(H=C,G=e;G>=1&&0===P[G];G--);if(H>G&&(H=G),0===G)return p[q++]=20971520,p[q++]=20971520,s.bits=1,0;for(F=1;G>F&&0===P[F];F++);for(F>H&&(H=F),K=1,D=1;e>=D;D++)if(K<<=1,K-=P[D],0>K)return-1;if(K>0&&(a===h||1!==G))return-1;for(Q[1]=0,D=1;e>D;D++)Q[D+1]=Q[D]+P[D];for(E=0;o>E;E++)0!==b[c+E]&&(r[Q[b[c+E]]++]=E);if(a===h?(N=R=r,y=19):a===i?(N=k,O-=257,R=l,S-=257,y=256):(N=m,R=n,y=-1),M=0,E=0,D=F,x=q,I=H,J=0,v=-1,L=1<<H,w=L-1,a===i&&L>f||a===j&&L>g)return 1;for(var T=0;;){T++,z=D-J,r[E]<y?(A=0,B=r[E]):r[E]>y?(A=R[S+r[E]],B=N[O+r[E]]):(A=96,B=0),t=1<<D-J,u=1<<I,F=u;do u-=t,p[x+(M>>J)+u]=z<<24|A<<16|B|0;while(0!==u);for(t=1<<D-1;M&t;)t>>=1;if(0!==t?(M&=t-1,M+=t):M=0,E++,0===--P[D]){if(D===G)break;D=b[c+r[E]]}if(D>H&&(M&w)!==v){for(0===J&&(J=H),x+=F,I=D-J,K=1<<I;G>I+J&&(K-=P[I+J],!(0>=K));)I++,K<<=1;if(L+=1<<I,a===i&&L>f||a===j&&L>g)return 1;v=M&w,p[v]=H<<24|I<<16|x-q|0}}return 0!==M&&(p[x+M]=D-J<<24|64<<16|0),s.bits=H,0}},{"../utils/common":1}],10:[function(a,b,c){"use strict";b.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],11:[function(a,b,c){"use strict";function d(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,
this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0}b.exports=d},{}],"/lib/inflate.js":[function(a,b,c){"use strict";function d(a,b){var c=new n(b);if(c.push(a,!0),c.err)throw c.msg;return c.result}function e(a,b){return b=b||{},b.raw=!0,d(a,b)}var f=a("./zlib/inflate.js"),g=a("./utils/common"),h=a("./utils/strings"),i=a("./zlib/constants"),j=a("./zlib/messages"),k=a("./zlib/zstream"),l=a("./zlib/gzheader"),m=Object.prototype.toString,n=function(a){this.options=g.assign({chunkSize:16384,windowBits:0,to:""},a||{});var b=this.options;b.raw&&b.windowBits>=0&&b.windowBits<16&&(b.windowBits=-b.windowBits,0===b.windowBits&&(b.windowBits=-15)),!(b.windowBits>=0&&b.windowBits<16)||a&&a.windowBits||(b.windowBits+=32),b.windowBits>15&&b.windowBits<48&&0===(15&b.windowBits)&&(b.windowBits|=15),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new k,this.strm.avail_out=0;var c=f.inflateInit2(this.strm,b.windowBits);if(c!==i.Z_OK)throw new Error(j[c]);this.header=new l,f.inflateGetHeader(this.strm,this.header)};n.prototype.push=function(a,b){var c,d,e,j,k,l=this.strm,n=this.options.chunkSize;if(this.ended)return!1;d=b===~~b?b:b===!0?i.Z_FINISH:i.Z_NO_FLUSH,"string"==typeof a?l.input=h.binstring2buf(a):"[object ArrayBuffer]"===m.call(a)?l.input=new Uint8Array(a):l.input=a,l.next_in=0,l.avail_in=l.input.length;do{if(0===l.avail_out&&(l.output=new g.Buf8(n),l.next_out=0,l.avail_out=n),c=f.inflate(l,i.Z_NO_FLUSH),c!==i.Z_STREAM_END&&c!==i.Z_OK)return this.onEnd(c),this.ended=!0,!1;l.next_out&&(0===l.avail_out||c===i.Z_STREAM_END||0===l.avail_in&&(d===i.Z_FINISH||d===i.Z_SYNC_FLUSH))&&("string"===this.options.to?(e=h.utf8border(l.output,l.next_out),j=l.next_out-e,k=h.buf2string(l.output,e),l.next_out=j,l.avail_out=n-j,j&&g.arraySet(l.output,l.output,e,j,0),this.onData(k)):this.onData(g.shrinkBuf(l.output,l.next_out)))}while(l.avail_in>0&&c!==i.Z_STREAM_END);return c===i.Z_STREAM_END&&(d=i.Z_FINISH),d===i.Z_FINISH?(c=f.inflateEnd(this.strm),this.onEnd(c),this.ended=!0,c===i.Z_OK):d===i.Z_SYNC_FLUSH?(this.onEnd(i.Z_OK),l.avail_out=0,!0):!0},n.prototype.onData=function(a){this.chunks.push(a)},n.prototype.onEnd=function(a){a===i.Z_OK&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=g.flattenChunks(this.chunks)),this.chunks=[],this.err=a,this.msg=this.strm.msg},c.Inflate=n,c.inflate=d,c.inflateRaw=e,c.ungzip=d},{"./utils/common":1,"./utils/strings":2,"./zlib/constants":4,"./zlib/gzheader":6,"./zlib/inflate.js":8,"./zlib/messages":10,"./zlib/zstream":11}]},{},[])("/lib/inflate.js")})},{}],3:[function(a,b,c){function d(a,b){switch(void 0===b&&(b=a.toString()),a.name){case"NotFoundError":return new o(p.ENOENT,b);case"QuotaExceededError":return new o(p.ENOSPC,b);default:return new o(p.EIO,b)}}function e(a,b,c){return void 0===b&&(b=p.EIO),void 0===c&&(c=null),function(d){d.preventDefault(),a(new o(b,c))}}function f(a){var b=a.getBufferCore();b instanceof l.BufferCoreArrayBuffer||(a=new n(this._buffer.length),this._buffer.copy(a),b=a.getBufferCore());var c=b.getDataView();return c.buffer}var g=this.__extends||function(a,b){function c(){this.constructor=a}for(var d in b)b.hasOwnProperty(d)&&(a[d]=b[d]);c.prototype=b.prototype,a.prototype=new c},h=a("../core/buffer"),i=a("../core/browserfs"),j=a("../generic/key_value_filesystem"),k=a("../core/api_error"),l=a("../core/buffer_core_arraybuffer"),m=a("../core/global"),n=h.Buffer,o=k.ApiError,p=k.ErrorCode,q=m.indexedDB||m.mozIndexedDB||m.webkitIndexedDB||m.msIndexedDB,r=function(){function a(a,b){this.tx=a,this.store=b}return a.prototype.get=function(a,b){try{var c=this.store.get(a);c.onerror=e(b),c.onsuccess=function(a){var c=a.target.result;void 0===c?b(null,c):b(null,new n(c))}}catch(f){b(d(f))}},a}();c.IndexedDBROTransaction=r;var s=function(a){function b(b,c){a.call(this,b,c)}return g(b,a),b.prototype.put=function(a,b,c,g){try{var h,i=f(b);h=c?this.store.put(i,a):this.store.add(i,a),h.onerror=e(g),h.onsuccess=function(a){g(null,!0)}}catch(j){g(d(j))}},b.prototype["delete"]=function(a,b){try{var c=this.store["delete"](a);c.onerror=e(b),c.onsuccess=function(a){b()}}catch(f){b(d(f))}},b.prototype.commit=function(a){setTimeout(a,0)},b.prototype.abort=function(a){var b;try{this.tx.abort()}catch(c){b=d(c)}finally{a(b)}},b}(r);c.IndexedDBRWTransaction=s;var t=function(){function a(a,b){var c=this;void 0===b&&(b="browserfs"),this.storeName=b;var d=q.open(this.storeName,1);d.onupgradeneeded=function(a){var b=a.target.result;b.objectStoreNames.contains(c.storeName)&&b.deleteObjectStore(c.storeName),b.createObjectStore(c.storeName)},d.onsuccess=function(b){c.db=b.target.result,a(null,c)},d.onerror=e(a,p.EACCES)}return a.prototype.name=function(){return"IndexedDB - "+this.storeName},a.prototype.clear=function(a){try{var b=this.db.transaction(this.storeName,"readwrite"),c=b.objectStore(this.storeName),f=c.clear();f.onsuccess=function(b){setTimeout(a,0)},f.onerror=e(a)}catch(g){a(d(g))}},a.prototype.beginTransaction=function(a){void 0===a&&(a="readonly");var b=this.db.transaction(this.storeName,a),c=b.objectStore(this.storeName);if("readwrite"===a)return new s(b,c);if("readonly"===a)return new r(b,c);throw new o(p.EINVAL,"Invalid transaction type.")},a}();c.IndexedDBStore=t;var u=function(a){function b(b,c){var d=this;a.call(this),new t(function(a,c){a?b(a):d.init(c,function(a){b(a,d)})},c)}return g(b,a),b.isAvailable=function(){try{return"undefined"!=typeof q&&null!==q.open("__browserfs_test__")}catch(a){return!1}},b}(j.AsyncKeyValueFileSystem);c.IndexedDBFileSystem=u,i.registerFileSystem("IndexedDB",u)},{"../core/api_error":14,"../core/browserfs":15,"../core/buffer":16,"../core/buffer_core_arraybuffer":19,"../core/global":24,"../generic/key_value_filesystem":35}],4:[function(a,b,c){var d=this.__extends||function(a,b){function c(){this.constructor=a}for(var d in b)b.hasOwnProperty(d)&&(a[d]=b[d]);c.prototype=b.prototype,a.prototype=new c},e=a("../core/file_system"),f=a("../generic/file_index"),g=a("../core/buffer"),h=a("../core/api_error"),i=a("../core/file_flag"),j=a("../generic/preload_file"),k=a("../core/browserfs"),l=a("../generic/xhr"),m=(g.Buffer,h.ApiError),n=h.ErrorCode,o=(i.FileFlag,i.ActionType),p=function(a){function b(b,c){void 0===c&&(c=""),a.call(this),null==b&&(b="index.json"),c.length>0&&"/"!==c.charAt(c.length-1)&&(c+="/"),this.prefix_url=c;var d=this._requestFileSync(b,"json");if(null==d)throw new Error("Unable to find listing at URL: "+b);this._index=f.FileIndex.from_listing(d)}return d(b,a),b.prototype.empty=function(){this._index.fileIterator(function(a){a.file_data=null})},b.prototype.getXhrPath=function(a){return"/"===a.charAt(0)&&(a=a.slice(1)),this.prefix_url+a},b.prototype._requestFileSizeAsync=function(a,b){l.getFileSizeAsync(this.getXhrPath(a),b)},b.prototype._requestFileSizeSync=function(a){return l.getFileSizeSync(this.getXhrPath(a))},b.prototype._requestFileAsync=function(a,b,c){l.asyncDownloadFile(this.getXhrPath(a),b,c)},b.prototype._requestFileSync=function(a,b){return l.syncDownloadFile(this.getXhrPath(a),b)},b.prototype.getName=function(){return"XmlHttpRequest"},b.isAvailable=function(){return"undefined"!=typeof XMLHttpRequest&&null!==XMLHttpRequest},b.prototype.diskSpace=function(a,b){b(0,0)},b.prototype.isReadOnly=function(){return!0},b.prototype.supportsLinks=function(){return!1},b.prototype.supportsProps=function(){return!1},b.prototype.supportsSynch=function(){return!0},b.prototype.preloadFile=function(a,b){var c=this._index.getInode(a);if(null===c)throw m.ENOENT(a);var d=c.getData();d.size=b.length,d.file_data=b},b.prototype.stat=function(a,b,c){var d=this._index.getInode(a);if(null===d)return c(m.ENOENT(a));var e;d.isFile()?(e=d.getData(),e.size<0?this._requestFileSizeAsync(a,function(a,b){return a?c(a):(e.size=b,void c(null,e.clone()))}):c(null,e.clone())):(e=d.getStats(),c(null,e))},b.prototype.statSync=function(a,b){var c=this._index.getInode(a);if(null===c)throw m.ENOENT(a);var d;return c.isFile()?(d=c.getData(),d.size<0&&(d.size=this._requestFileSizeSync(a))):d=c.getStats(),d},b.prototype.open=function(a,b,c,d){if(b.isWriteable())return d(new m(n.EPERM,a));var e=this,f=this._index.getInode(a);if(null===f)return d(m.ENOENT(a));if(f.isDir())return d(m.EISDIR(a));var g=f.getData();switch(b.pathExistsAction()){case o.THROW_EXCEPTION:case o.TRUNCATE_FILE:return d(m.EEXIST(a));case o.NOP:if(null!=g.file_data)return d(null,new j.NoSyncFile(e,a,b,g.clone(),g.file_data));this._requestFileAsync(a,"buffer",function(c,f){return c?d(c):(g.size=f.length,g.file_data=f,d(null,new j.NoSyncFile(e,a,b,g.clone(),f)))});break;default:return d(new m(n.EINVAL,"Invalid FileMode object."))}},b.prototype.openSync=function(a,b,c){if(b.isWriteable())throw new m(n.EPERM,a);var d=this._index.getInode(a);if(null===d)throw m.ENOENT(a);if(d.isDir())throw m.EISDIR(a);var e=d.getData();switch(b.pathExistsAction()){case o.THROW_EXCEPTION:case o.TRUNCATE_FILE:throw m.EEXIST(a);case o.NOP:if(null!=e.file_data)return new j.NoSyncFile(this,a,b,e.clone(),e.file_data);var f=this._requestFileSync(a,"buffer");return e.size=f.length,e.file_data=f,new j.NoSyncFile(this,a,b,e.clone(),f);default:throw new m(n.EINVAL,"Invalid FileMode object.")}},b.prototype.readdir=function(a,b){try{b(null,this.readdirSync(a))}catch(c){b(c)}},b.prototype.readdirSync=function(a){var b=this._index.getInode(a);if(null===b)throw m.ENOENT(a);if(b.isFile())throw m.ENOTDIR(a);return b.getListing()},b.prototype.readFile=function(a,b,c,d){var e=d;this.open(a,c,420,function(a,c){if(a)return d(a);d=function(a,b){c.close(function(c){return null==a&&(a=c),e(a,b)})};var f=c,h=f.getBuffer();if(null===b)return h.length>0?d(a,h.sliceCopy()):d(a,new g.Buffer(0));try{d(null,h.toString(b))}catch(i){d(i)}})},b.prototype.readFileSync=function(a,b,c){var d=this.openSync(a,c,420);try{var e=d,f=e.getBuffer();return null===b?f.length>0?f.sliceCopy():new g.Buffer(0):f.toString(b)}finally{d.closeSync()}},b}(e.BaseFileSystem);c.XmlHttpRequest=p,k.registerFileSystem("XmlHttpRequest",p)},{"../core/api_error":14,"../core/browserfs":15,"../core/buffer":16,"../core/file_flag":22,"../core/file_system":23,"../generic/file_index":33,"../generic/preload_file":36,"../generic/xhr":37}],5:[function(a,b,c){var d=this.__extends||function(a,b){function c(){this.constructor=a}for(var d in b)b.hasOwnProperty(d)&&(a[d]=b[d]);c.prototype=b.prototype,a.prototype=new 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c},f=a("../core/file_system"),g=a("../core/buffer"),h=a("../core/api_error"),i=a("../core/file_flag"),j=a("../generic/preload_file"),k=a("../core/browserfs"),l=a("../core/node_path"),m=h.ApiError,n=g.Buffer,o=h.ErrorCode,p="/.deletedFiles.log",q=function(a){function b(b,c,d,e,f){a.call(this,b,c,d,e,f)}return e(b,a),b.prototype.syncSync=function(){this.isDirty()&&(this._fs._syncSync(this),this.resetDirty())},b.prototype.closeSync=function(){this.syncSync()},b}(j.PreloadFile),r=function(a){function b(b,c){if(a.call(this),this._isInitialized=!1,this._deletedFiles={},this._deleteLog=null,this._writable=b,this._readable=c,this._writable.isReadOnly())throw new m(o.EINVAL,"Writable file system must be writable.");if(!this._writable.supportsSynch()||!this._readable.supportsSynch())throw new m(o.EINVAL,"OverlayFS currently only operates on synchronous file systems.")}return e(b,a),b.prototype.getOverlayedFileSystems=function(){return{readable:this._readable,writable:this._writable}},b.prototype.createParentDirectories=function(a){for(var b=this,c=l.dirname(a),d=[];!this._writable.existsSync(c);)d.push(c),c=l.dirname(c);d=d.reverse(),d.forEach(function(a){b._writable.mkdirSync(a,b.statSync(a,!1).mode)})},b.isAvailable=function(){return!0},b.prototype._syncSync=function(a){this.createParentDirectories(a.getPath()),this._writable.writeFileSync(a.getPath(),a.getBuffer(),null,i.FileFlag.getFileFlag("w"),a.getStats().mode)},b.prototype.getName=function(){return"OverlayFS"},b.prototype.initialize=function(a){var b=this;this._isInitialized?a():this._writable.readFile(p,"utf8",i.FileFlag.getFileFlag("r"),function(c,d){if(c){if(c.type!==o.ENOENT)return a(c)}else d.split("\n").forEach(function(a){b._deletedFiles[a.slice(1)]="d"===a.slice(0,1)});b._writable.open(p,i.FileFlag.getFileFlag("a"),420,function(c,d){c?a(c):(b._deleteLog=d,a())})})},b.prototype.isReadOnly=function(){return!1},b.prototype.supportsSynch=function(){return!0},b.prototype.supportsLinks=function(){return!1},b.prototype.supportsProps=function(){return this._readable.supportsProps()&&this._writable.supportsProps();
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"+b+" is a directory.");this.writeFileSync(b,this.readFileSync(a,null,i.FileFlag.getFileFlag("r")),null,i.FileFlag.getFileFlag("w"),d.mode)}a!==b&&this.existsSync(a)&&this.unlinkSync(a)},b.prototype.statSync=function(a,b){try{return this._writable.statSync(a,b)}catch(c){if(this._deletedFiles[a])throw new m(o.ENOENT,"Path "+a+" does not exist.");var e=this._readable.statSync(a,b).clone();return e.mode=d(e.mode),e}},b.prototype.openSync=function(a,b,c){if(this.existsSync(a))switch(b.pathExistsAction()){case i.ActionType.TRUNCATE_FILE:return this.createParentDirectories(a),this._writable.openSync(a,b,c);case i.ActionType.NOP:if(this._writable.existsSync(a))return this._writable.openSync(a,b,c);var d=this._readable.statSync(a,!1).clone();return d.mode=c,new q(this,a,b,d,this._readable.readFileSync(a,null,i.FileFlag.getFileFlag("r")));default:throw new m(o.EEXIST,"Path "+a+" exists.")}else switch(b.pathNotExistsAction()){case i.ActionType.CREATE_FILE:return this.createParentDirectories(a),this._writable.openSync(a,b,c);default:throw new m(o.ENOENT,"Path "+a+" does not exist.")}},b.prototype.unlinkSync=function(a){if(!this.existsSync(a))throw new m(o.ENOENT,"Path "+a+" does not exist.");this._writable.existsSync(a)&&this._writable.unlinkSync(a),this.existsSync(a)&&this.deletePath(a)},b.prototype.rmdirSync=function(a){if(!this.existsSync(a))throw new m(o.ENOENT,"Path "+a+" does not exist.");if(this._writable.existsSync(a)&&this._writable.rmdirSync(a),this.existsSync(a)){if(this.readdirSync(a).length>0)throw new m(o.ENOTEMPTY,"Directory "+a+" is not empty.");this.deletePath(a)}},b.prototype.mkdirSync=function(a,b){if(this.existsSync(a))throw new m(o.EEXIST,"Path "+a+" already exists.");this.createParentDirectories(a),this._writable.mkdirSync(a,b)},b.prototype.readdirSync=function(a){var b=this,c=this.statSync(a,!1);if(!c.isDirectory())throw new m(o.ENOTDIR,"Path "+a+" is not a directory.");var d=[];try{d=d.concat(this._writable.readdirSync(a))}catch(e){}try{d=d.concat(this._readable.readdirSync(a))}catch(e){}var f={};return d.filter(function(c){var d=void 0===f[c]&&b._deletedFiles[a+"/"+c]!==!0;return f[c]=!0,d})},b.prototype.existsSync=function(a){return this._writable.existsSync(a)||this._readable.existsSync(a)&&this._deletedFiles[a]!==!0},b.prototype.chmodSync=function(a,b,c){var d=this;this.operateOnWritable(a,function(){d._writable.chmodSync(a,b,c)})},b.prototype.chownSync=function(a,b,c,d){var e=this;this.operateOnWritable(a,function(){e._writable.chownSync(a,b,c,d)})},b.prototype.utimesSync=function(a,b,c){var d=this;this.operateOnWritable(a,function(){d._writable.utimesSync(a,b,c)})},b.prototype.operateOnWritable=function(a,b){if(!this.existsSync(a))throw new m(o.ENOENT,"Path "+a+" does not exist.");this._writable.existsSync(a)||this.copyToWritable(a),b()},b.prototype.copyToWritable=function(a){var b=this.statSync(a,!1);b.isDirectory()?this._writable.mkdirSync(a,b.mode):this.writeFileSync(a,this._readable.readFileSync(a,null,i.FileFlag.getFileFlag("r")),null,i.FileFlag.getFileFlag("w"),this.statSync(a,!1).mode)},b}(f.SynchronousFileSystem);k.registerFileSystem("OverlayFS",r),b.exports=r},{"../core/api_error":14,"../core/browserfs":15,"../core/buffer":16,"../core/file_flag":22,"../core/file_system":23,"../core/node_path":28,"../generic/preload_file":36}],12:[function(a,b,c){function d(a){return{type:l.ERROR,errorData:a.writeToBuffer().toArrayBuffer()}}function e(a){return p.ApiError.fromBuffer(new v(a.errorData))}function f(a){return{type:l.STATS,statsData:a.toBuffer().toArrayBuffer()}}function g(a){return s.Stats.fromBuffer(new v(a.statsData))}function h(a){return{type:l.FILEFLAG,flagStr:a.getFlagString()}}function i(a){return q.FileFlag.getFileFlag(a.flagStr)}function j(a){return{type:l.BUFFER,data:a.toArrayBuffer()}}function k(a){return new v(a.data)}var 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e,f,g=this._nextId++;this._fileDescriptors[g]=a,a.stat(function(h,i){h?d(h):(f=i.toBuffer().toArrayBuffer(),c.isReadable()?a.read(new v(i.size),0,i.size,0,function(a,h,i){a?d(a):(e=i.toArrayBuffer(),d(null,{type:l.FD,id:g,data:e,stat:f,path:b,flag:c.getFlagString()}))}):d(null,{type:l.FD,id:g,data:new ArrayBuffer(0),stat:f,path:b,flag:c.getFlagString()}))})},a.prototype._applyFdChanges=function(a,b){var c=this._fileDescriptors[a.id],d=new v(a.data),e=s.Stats.fromBuffer(new v(a.stat)),f=q.FileFlag.getFileFlag(a.flag);f.isWriteable()?c.write(d,0,d.length,f.isAppendable()?c.getPos():0,function(a){function g(){c.stat(function(a,d){a?b(a):d.mode!==e.mode?c.chmod(e.mode,function(a){b(a,c)}):b(a,c)})}a?b(a):f.isAppendable()?g():c.truncate(d.length,function(){g()})}):b(null,c)},a.prototype.applyFdAPIRequest=function(a,b){var c=this,d=a.args[0];this._applyFdChanges(d,function(e,f){e?b(e):f[a.method](function(e){"close"===a.method&&delete c._fileDescriptors[d.id],b(e)})})},a}(),y=function(a){function b(b,c,d,e,f,g){a.call(this,b,c,d,e,g),this._remoteFdId=f}return m(b,a),b.prototype.getRemoteFdId=function(){return this._remoteFdId},b.prototype.toRemoteArg=function(){return{type:l.FD,id:this._remoteFdId,data:this.getBuffer().toArrayBuffer(),stat:this.getStats().toBuffer().toArrayBuffer(),path:this.getPath(),flag:this.getFlag().getFlagString()}},b.prototype._syncClose=function(a,b){var c=this;this.isDirty()?this._fs.syncClose(a,this,function(a){a||c.resetDirty(),b(a)}):b()},b.prototype.sync=function(a){this._syncClose("sync",a)},b.prototype.close=function(a){this._syncClose("close",a)},b}(t.PreloadFile),z=function(a){function b(b){var c=this;a.call(this),this._callbackConverter=new w,this._isInitialized=!1,this._isReadOnly=!1,this._supportLinks=!1,this._supportProps=!1,this._outstandingRequests={},this._worker=b,this._worker.addEventListener("message",function(a){if(null!=a.data&&"object"==typeof a.data&&a.data.hasOwnProperty("browserfsMessage")&&a.data.browserfsMessage){var b,d=a.data,e=d.args,f=new Array(e.length);for(b=0;b<f.length;b++)f[b]=c._argRemote2Local(e[b]);c._callbackConverter.toLocalArg(d.cbId).apply(null,f)}})}return m(b,a),b.isAvailable=function(){return"undefined"!=typeof Worker},b.prototype.getName=function(){return"WorkerFS"},b.prototype._argRemote2Local=function(a){if(null==a)return a;switch(typeof a){case"object":if(null==a.type||"number"!=typeof a.type)return a;var b=a;switch(b.type){case l.ERROR:return e(b);case l.FD:var c=b;return new y(this,c.path,q.FileFlag.getFileFlag(c.flag),s.Stats.fromBuffer(new v(c.stat)),c.id,new v(c.data));case l.STATS:return g(b);case l.FILEFLAG:return i(b);case l.BUFFER:return k(b);default:return a}default:return a}},b.prototype._argLocal2Remote=function(a){if(null==a)return a;switch(typeof a){case"object":return a instanceof s.Stats?f(a):a instanceof p.ApiError?d(a):a instanceof y?a.toRemoteArg():a instanceof q.FileFlag?h(a):a instanceof v?j(a):a;case"function":return this._callbackConverter.toRemoteArg(a);default:return a}},b.prototype.initialize=function(a){var b=this;if(this._isInitialized)a();else{var c={browserfsMessage:!0,method:"probe",args:[this._callbackConverter.toRemoteArg(function(c){b._isInitialized=!0,b._isReadOnly=c.isReadOnly,b._supportLinks=c.supportsLinks,b._supportProps=c.supportsProps,a()})]};this._worker.postMessage(c)}},b.prototype.isReadOnly=function(){return this._isReadOnly},b.prototype.supportsSynch=function(){return!1},b.prototype.supportsLinks=function(){return this._supportLinks},b.prototype.supportsProps=function(){return this._supportProps},b.prototype._rpc=function(a,b){var c,d={browserfsMessage:!0,method:a,args:null},e=new Array(b.length);for(c=0;c<b.length;c++)e[c]=this._argLocal2Remote(b[c]);d.args=e,this._worker.postMessage(d)},b.prototype.rename=function(a,b,c){this._rpc("rename",arguments)},b.prototype.stat=function(a,b,c){this._rpc("stat",arguments)},b.prototype.open=function(a,b,c,d){this._rpc("open",arguments)},b.prototype.unlink=function(a,b){this._rpc("unlink",arguments)},b.prototype.rmdir=function(a,b){this._rpc("rmdir",arguments)},b.prototype.mkdir=function(a,b,c){this._rpc("mkdir",arguments)},b.prototype.readdir=function(a,b){this._rpc("readdir",arguments)},b.prototype.exists=function(a,b){this._rpc("exists",arguments)},b.prototype.realpath=function(a,b,c){this._rpc("realpath",arguments)},b.prototype.truncate=function(a,b,c){this._rpc("truncate",arguments)},b.prototype.readFile=function(a,b,c,d){this._rpc("readFile",arguments)},b.prototype.writeFile=function(a,b,c,d,e,f){this._rpc("writeFile",arguments)},b.prototype.appendFile=function(a,b,c,d,e,f){this._rpc("appendFile",arguments)},b.prototype.chmod=function(a,b,c,d){this._rpc("chmod",arguments)},b.prototype.chown=function(a,b,c,d,e){this._rpc("chown",arguments)},b.prototype.utimes=function(a,b,c,d){this._rpc("utimes",arguments)},b.prototype.link=function(a,b,c){this._rpc("link",arguments)},b.prototype.symlink=function(a,b,c,d){this._rpc("symlink",arguments)},b.prototype.readlink=function(a,b){this._rpc("readlink",arguments)},b.prototype.syncClose=function(a,b,c){this._worker.postMessage({browserfsMessage:!0,method:a,args:[b.toRemoteArg(),this._callbackConverter.toRemoteArg(c)]})},b.attachRemoteListener=function(a){function b(a,b,c){switch(typeof a){case"object":a instanceof s.Stats?c(null,f(a)):a instanceof p.ApiError?c(null,d(a)):a instanceof r.BaseFile?c(null,m.toRemoteArg(a,b[0],b[1],c)):a instanceof q.FileFlag?c(null,h(a)):a instanceof v?c(null,j(a)):c(null,a);break;default:c(null,a)}}function c(c,f){if(null==c)return c;switch(typeof c){case"object":if("number"!=typeof c.type)return c;var h=c;switch(h.type){case l.CB:var j=c.id;return function(){function c(b){i>0&&(i=-1,g={browserfsMessage:!0,cbId:j,args:[d(b)]},a.postMessage(g))}var e,g,h=new Array(arguments.length),i=arguments.length;for(e=0;e<arguments.length;e++)!function(d,e){b(e,f,function(b,e){h[d]=e,b?c(b):0===--i&&(g={browserfsMessage:!0,cbId:j,args:h},a.postMessage(g))})}(e,arguments[e]);0===arguments.length&&(g={browserfsMessage:!0,cbId:j,args:h},a.postMessage(g))};case l.ERROR:return e(h);case l.STATS:return g(h);case l.FILEFLAG:return i(h);case l.BUFFER:return k(h);default:return c}default:return c}}var m=new x,n=u.BFSRequire("fs");a.addEventListener("message",function(b){if(null!=b.data&&"object"==typeof b.data&&b.data.hasOwnProperty("browserfsMessage")&&b.data.browserfsMessage){var e,f=b.data,g=f.args,h=new Array(g.length);switch(f.method){case"close":case"sync":!function(){var b=g[1];m.applyFdAPIRequest(f,function(c){var e={browserfsMessage:!0,cbId:b.id,args:c?[d(c)]:[]};a.postMessage(e)})}();break;case"probe":!function(){var b=n.getRootFS(),c=g[0],d={browserfsMessage:!0,cbId:c.id,args:[{type:l.PROBE,isReadOnly:b.isReadOnly(),supportsLinks:b.supportsLinks(),supportsProps:b.supportsProps()}]};a.postMessage(d)}();break;default:for(e=0;e<g.length;e++)h[e]=c(g[e],h);var i=n.getRootFS();i[f.method].apply(i,h)}}})},b}(n.BaseFileSystem);c.WorkerFS=z,u.registerFileSystem("WorkerFS",z)},{"../core/api_error":14,"../core/browserfs":15,"../core/buffer":16,"../core/file":21,"../core/file_flag":22,"../core/file_system":23,"../core/node_fs_stats":27,"../generic/preload_file":36}],13:[function(a,b,c){function d(a,b){var c=31&b,d=(b>>5&15)-1,e=(b>>9)+1980,f=31&a,g=a>>5&63,h=a>>11;return new Date(e,d,c,h,g,f)}function e(a,b,c,d){return 0===d?"":a.toString(b?"utf8":"extended_ascii",c,c+d)}var f=this.__extends||function(a,b){function c(){this.constructor=a}for(var d in b)b.hasOwnProperty(d)&&(a[d]=b[d]);c.prototype=b.prototype,a.prototype=new c},g=a("../core/buffer"),h=a("../core/api_error"),i=a("../generic/file_index"),j=a("../core/browserfs"),k=a("../core/node_fs_stats"),l=a("../core/file_system"),m=a("../core/file_flag"),n=a("../core/buffer_core_arraybuffer"),o=a("../generic/preload_file"),p=a("zlib-inflate").inflateRaw,q=h.ApiError,r=h.ErrorCode,s=m.ActionType;!function(a){a[a.MSDOS=0]="MSDOS",a[a.AMIGA=1]="AMIGA",a[a.OPENVMS=2]="OPENVMS",a[a.UNIX=3]="UNIX",a[a.VM_CMS=4]="VM_CMS",a[a.ATARI_ST=5]="ATARI_ST",a[a.OS2_HPFS=6]="OS2_HPFS",a[a.MAC=7]="MAC",a[a.Z_SYSTEM=8]="Z_SYSTEM",a[a.CP_M=9]="CP_M",a[a.NTFS=10]="NTFS",a[a.MVS=11]="MVS",a[a.VSE=12]="VSE",a[a.ACORN_RISC=13]="ACORN_RISC",a[a.VFAT=14]="VFAT",a[a.ALT_MVS=15]="ALT_MVS",a[a.BEOS=16]="BEOS",a[a.TANDEM=17]="TANDEM",a[a.OS_400=18]="OS_400",a[a.OSX=19]="OSX"}(c.ExternalFileAttributeType||(c.ExternalFileAttributeType={}));c.ExternalFileAttributeType;!function(a){a[a.STORED=0]="STORED",a[a.SHRUNK=1]="SHRUNK",a[a.REDUCED_1=2]="REDUCED_1",a[a.REDUCED_2=3]="REDUCED_2",a[a.REDUCED_3=4]="REDUCED_3",a[a.REDUCED_4=5]="REDUCED_4",a[a.IMPLODE=6]="IMPLODE",a[a.DEFLATE=8]="DEFLATE",a[a.DEFLATE64=9]="DEFLATE64",a[a.TERSE_OLD=10]="TERSE_OLD",a[a.BZIP2=12]="BZIP2",a[a.LZMA=14]="LZMA",a[a.TERSE_NEW=18]="TERSE_NEW",a[a.LZ77=19]="LZ77",a[a.WAVPACK=97]="WAVPACK",a[a.PPMD=98]="PPMD"}(c.CompressionMethod||(c.CompressionMethod={}));var t=c.CompressionMethod,u=function(){function a(a){if(this.data=a,67324752!==a.readUInt32LE(0))throw new q(r.EINVAL,"Invalid Zip file: Local file header has invalid signature: "+this.data.readUInt32LE(0))}return a.prototype.versionNeeded=function(){return this.data.readUInt16LE(4)},a.prototype.flags=function(){return this.data.readUInt16LE(6)},a.prototype.compressionMethod=function(){return this.data.readUInt16LE(8)},a.prototype.lastModFileTime=function(){return d(this.data.readUInt16LE(10),this.data.readUInt16LE(12))},a.prototype.crc32=function(){return this.data.readUInt32LE(14)},a.prototype.fileNameLength=function(){return this.data.readUInt16LE(26)},a.prototype.extraFieldLength=function(){return this.data.readUInt16LE(28)},a.prototype.fileName=function(){return e(this.data,this.useUTF8(),30,this.fileNameLength())},a.prototype.extraField=function(){var a=30+this.fileNameLength();return this.data.slice(a,a+this.extraFieldLength())},a.prototype.totalSize=function(){return 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this.data.slice(6,6+this.size())},a}();c.DigitalSignature=y;var z=function(){function a(a,b){if(this.zipData=a,this.data=b,33639248!==this.data.readUInt32LE(0))throw new q(r.EINVAL,"Invalid Zip file: Central directory record has invalid signature: "+this.data.readUInt32LE(0))}return a.prototype.versionMadeBy=function(){return this.data.readUInt16LE(4)},a.prototype.versionNeeded=function(){return this.data.readUInt16LE(6)},a.prototype.flag=function(){return this.data.readUInt16LE(8)},a.prototype.compressionMethod=function(){return this.data.readUInt16LE(10)},a.prototype.lastModFileTime=function(){return d(this.data.readUInt16LE(12),this.data.readUInt16LE(14))},a.prototype.crc32=function(){return this.data.readUInt32LE(16)},a.prototype.compressedSize=function(){return this.data.readUInt32LE(20)},a.prototype.uncompressedSize=function(){return this.data.readUInt32LE(24)},a.prototype.fileNameLength=function(){return this.data.readUInt16LE(28)},a.prototype.extraFieldLength=function(){return this.data.readUInt16LE(30)},a.prototype.fileCommentLength=function(){return this.data.readUInt16LE(32)},a.prototype.diskNumberStart=function(){return this.data.readUInt16LE(34)},a.prototype.internalAttributes=function(){return this.data.readUInt16LE(36)},a.prototype.externalAttributes=function(){return this.data.readUInt32LE(38)},a.prototype.headerRelativeOffset=function(){return this.data.readUInt32LE(42)},a.prototype.fileName=function(){var a=e(this.data,this.useUTF8(),46,this.fileNameLength());return a.replace(/\\/g,"/")},a.prototype.extraField=function(){var a=44+this.fileNameLength();return this.data.slice(a,a+this.extraFieldLength())},a.prototype.fileComment=function(){var a=46+this.fileNameLength()+this.extraFieldLength();return e(this.data,this.useUTF8(),a,this.fileCommentLength())},a.prototype.totalSize=function(){return 46+this.fileNameLength()+this.extraFieldLength()+this.fileCommentLength()},a.prototype.isDirectory=function(){var a=this.fileName();return(16&this.externalAttributes()?!0:!1)||"/"===a.charAt(a.length-1)},a.prototype.isFile=function(){return!this.isDirectory()},a.prototype.useUTF8=function(){return 2048===(2048&this.flag())},a.prototype.isEncrypted=function(){return 1===(1&this.flag())},a.prototype.getData=function(){var a=this.headerRelativeOffset(),b=new u(this.zipData.slice(a)),c=new v(b,this,this.zipData.slice(a+b.totalSize()));return c.decompress()},a.prototype.getStats=function(){return new k.Stats(k.FileType.FILE,this.uncompressedSize(),365,new Date,this.lastModFileTime())},a}();c.CentralDirectory=z;var A=function(){function a(a){if(this.data=a,101010256!==this.data.readUInt32LE(0))throw new q(r.EINVAL,"Invalid Zip file: End of central directory record has invalid signature: "+this.data.readUInt32LE(0))}return a.prototype.diskNumber=function(){return this.data.readUInt16LE(4)},a.prototype.cdDiskNumber=function(){return this.data.readUInt16LE(6)},a.prototype.cdDiskEntryCount=function(){return this.data.readUInt16LE(8)},a.prototype.cdTotalEntryCount=function(){return this.data.readUInt16LE(10)},a.prototype.cdSize=function(){return this.data.readUInt32LE(12)},a.prototype.cdOffset=function(){return this.data.readUInt32LE(16)},a.prototype.cdZipComment=function(){return e(this.data,!0,22,this.data.readUInt16LE(20))},a}();c.EndOfCentralDirectory=A;var B=function(a){function b(b,c){void 0===c&&(c=""),a.call(this),this.data=b,this.name=c,this._index=new i.FileIndex,this.populateIndex()}return f(b,a),b.prototype.getName=function(){return"ZipFS"+(""!==this.name?" "+this.name:"")},b.isAvailable=function(){return!0},b.prototype.diskSpace=function(a,b){b(this.data.length,0)},b.prototype.isReadOnly=function(){return!0},b.prototype.supportsLinks=function(){return!1},b.prototype.supportsProps=function(){return!1},b.prototype.supportsSynch=function(){return!0},b.prototype.statSync=function(a,b){var c=this._index.getInode(a);if(null===c)throw new q(r.ENOENT,""+a+" not found.");var d;return d=c.isFile()?c.getData().getStats():c.getStats()},b.prototype.openSync=function(a,b,c){if(b.isWriteable())throw new q(r.EPERM,a);var d=this._index.getInode(a);if(null===d)throw new q(r.ENOENT,""+a+" is not in the FileIndex.");if(d.isDir())throw new q(r.EISDIR,""+a+" is a directory.");var e=d.getData(),f=e.getStats();switch(b.pathExistsAction()){case s.THROW_EXCEPTION:case s.TRUNCATE_FILE:throw new q(r.EEXIST,""+a+" already exists.");case s.NOP:return new o.NoSyncFile(this,a,b,f,e.getData());default:throw new q(r.EINVAL,"Invalid FileMode object.")}return null},b.prototype.readdirSync=function(a){var b=this._index.getInode(a);if(null===b)throw new q(r.ENOENT,""+a+" not found.");if(b.isFile())throw new q(r.ENOTDIR,""+a+" is a file, not a directory.");return b.getListing()},b.prototype.readFileSync=function(a,b,c){var d=this.openSync(a,c,420);try{var e=d,f=e.getBuffer();return null===b?f.length>0?f.sliceCopy():new g.Buffer(0):f.toString(b)}finally{d.closeSync()}},b.prototype.getEOCD=function(){for(var a=22,b=Math.min(a+65535,this.data.length-1),c=a;b>c;c++)if(101010256===this.data.readUInt32LE(this.data.length-c))return new A(this.data.slice(this.data.length-c));throw new q(r.EINVAL,"Invalid ZIP file: Could not locate End of Central Directory signature.")},b.prototype.populateIndex=function(){var a=this.getEOCD();if(a.diskNumber()!==a.cdDiskNumber())throw new q(r.EINVAL,"ZipFS does not support spanned zip files.");var b=a.cdOffset();if(4294967295===b)throw new q(r.EINVAL,"ZipFS does not support Zip64.");for(var c=b+a.cdSize();c>b;){var d=new z(this.data,this.data.slice(b));b+=d.totalSize();var e=d.fileName();if("/"===e.charAt(0))throw new Error("WHY IS THIS ABSOLUTE");"/"===e.charAt(e.length-1)&&(e=e.substr(0,e.length-1)),d.isDirectory()?this._index.addPath("/"+e,new i.DirInode):this._index.addPath("/"+e,new i.FileInode(d))}},b}(l.SynchronousFileSystem);c.ZipFS=B,j.registerFileSystem("ZipFS",B)},{"../core/api_error":14,"../core/browserfs":15,"../core/buffer":16,"../core/buffer_core_arraybuffer":19,"../core/file_flag":22,"../core/file_system":23,"../core/node_fs_stats":27,"../generic/file_index":33,"../generic/preload_file":36,"zlib-inflate":2}],14:[function(a,b,c){var d=a("./buffer"),e=d.Buffer;!function(a){a[a.EPERM=0]="EPERM",a[a.ENOENT=1]="ENOENT",a[a.EIO=2]="EIO",a[a.EBADF=3]="EBADF",a[a.EACCES=4]="EACCES",a[a.EBUSY=5]="EBUSY",a[a.EEXIST=6]="EEXIST",a[a.ENOTDIR=7]="ENOTDIR",a[a.EISDIR=8]="EISDIR",a[a.EINVAL=9]="EINVAL",a[a.EFBIG=10]="EFBIG",a[a.ENOSPC=11]="ENOSPC",a[a.EROFS=12]="EROFS",a[a.ENOTEMPTY=13]="ENOTEMPTY",a[a.ENOTSUP=14]="ENOTSUP"}(c.ErrorCode||(c.ErrorCode={}));var f=c.ErrorCode,g={};g[f.EPERM]="Operation not permitted.",g[f.ENOENT]="No such file or directory.",g[f.EIO]="Input/output error.",g[f.EBADF]="Bad file descriptor.",g[f.EACCES]="Permission denied.",g[f.EBUSY]="Resource busy or locked.",g[f.EEXIST]="File exists.",g[f.ENOTDIR]="File is not a directory.",g[f.EISDIR]="File is a directory.",g[f.EINVAL]="Invalid argument.",g[f.EFBIG]="File is too big.",g[f.ENOSPC]="No space left on disk.",g[f.EROFS]="Cannot modify a read-only file system.",g[f.ENOTEMPTY]="Directory is not empty.",g[f.ENOTSUP]="Operation is not supported.";var h=function(){function a(a,b){this.type=a,this.code=f[a],null!=b?this.message=b:this.message=g[a]}return a.prototype.toString=function(){return this.code+": "+g[this.type]+" "+this.message},a.prototype.writeToBuffer=function(a,b){void 0===a&&(a=new e(this.bufferSize())),void 0===b&&(b=0),a.writeUInt8(this.type,b);var c=a.write(this.message,b+5);return a.writeUInt32LE(c,b+1),a},a.fromBuffer=function(b,c){return void 0===c&&(c=0),new a(b.readUInt8(c),b.toString("utf8",c+5,c+5+b.readUInt32LE(c+1)))},a.prototype.bufferSize=function(){return 5+e.byteLength(this.message)},a.FileError=function(b,c){return new a(b,c+": "+g[b])},a.ENOENT=function(a){return this.FileError(f.ENOENT,a)},a.EEXIST=function(a){return this.FileError(f.EEXIST,a)},a.EISDIR=function(a){return this.FileError(f.EISDIR,a)},a.ENOTDIR=function(a){return this.FileError(f.ENOTDIR,a)},a.EPERM=function(a){return this.FileError(f.EPERM,a)},a}();c.ApiError=h},{"./buffer":16}],15:[function(a,b,c){function d(a){a.Buffer=h.Buffer,a.process=k.process;var b=null!=a.require?a.require:null;a.require=function(a){var c=f(a);return null==c?b.apply(null,Array.prototype.slice.call(arguments,0)):c}}function e(a,b){c.FileSystem[a]=b}function f(a){switch(a){case"fs":return i;case"path":return j;case"buffer":return h;case"process":return k.process;default:return c.FileSystem[a]}}function g(a){return i._initialize(a)}var h=a("./buffer"),i=a("./node_fs"),j=a("./node_path"),k=a("./node_process");c.install=d,c.FileSystem={},c.registerFileSystem=e,c.BFSRequire=f,c.initialize=g},{"./buffer":16,"./node_fs":26,"./node_path":28,"./node_process":29}],16:[function(a,b,c){var d=a("./buffer_core"),e=a("./buffer_core_array"),f=a("./buffer_core_arraybuffer"),g=a("./buffer_core_imagedata"),h=a("./string_util"),i=[f.BufferCoreArrayBuffer,g.BufferCoreImageData,e.BufferCoreArray],j=function(){var a,b;for(a=0;a<i.length;a++)if(b=i[a],b.isAvailable())return b;throw new Error("This browser does not support any available BufferCore implementations.")}(),k=function(){function a(b,c,e){void 0===c&&(c="utf8"),this.offset=0;var g;if(!(this instanceof a))return new a(b,c);if(b instanceof d.BufferCoreCommon){this.data=b;var h="number"==typeof c?c:0,i="number"==typeof e?e:this.data.getLength();this.offset=h,this.length=i-h}else if("number"==typeof b){if(b!==b>>>0)throw new TypeError("Buffer size must be a uint32.");this.length=b,this.data=new j(b)}else if("undefined"!=typeof DataView&&b instanceof DataView)this.data=new f.BufferCoreArrayBuffer(b),this.length=b.byteLength;else if("undefined"!=typeof ArrayBuffer&&"number"==typeof b.byteLength)this.data=new f.BufferCoreArrayBuffer(b),this.length=b.byteLength;else if(b instanceof a){var k=b;this.data=new j(b.length),this.length=b.length,k.copy(this)}else if(Array.isArray(b)||null!=b&&"object"==typeof b&&"number"==typeof b[0]){for(this.data=new j(b.length),g=0;g<b.length;g++)this.data.writeUInt8(g,b[g]);this.length=b.length}else{if("string"!=typeof b)throw new Error("Invalid argument to Buffer constructor: "+b);this.length=a.byteLength(b,c),this.data=new j(this.length),this.write(b,0,this.length,c)}}return a.prototype.getBufferCore=function(){return this.data},a.prototype.getOffset=function(){return this.offset},a.prototype.set=function(a,b){return 0>b?this.writeInt8(b,a):this.writeUInt8(b,a)},a.prototype.get=function(a){return this.readUInt8(a)},a.prototype.write=function(b,c,d,e){if(void 0===c&&(c=0),void 0===d&&(d=this.length),void 0===e&&(e="utf8"),"string"==typeof c?(e=""+c,c=0,d=this.length):"string"==typeof d&&(e=""+d,d=this.length),c>=this.length)return 0;var f=h.FindUtil(e);return d=d+c>this.length?this.length-c:d,c+=this.offset,f.str2byte(b,0===c&&d===this.length?this:new a(this.data,c,d+c))},a.prototype.toString=function(b,c,d){if(void 0===b&&(b="utf8"),void 0===c&&(c=0),void 0===d&&(d=this.length),!(d>=c))throw new Error("Invalid start/end positions: "+c+" - "+d);if(c===d)return"";d>this.length&&(d=this.length);var e=h.FindUtil(b);return e.byte2str(0===c&&d===this.length?this:new a(this.data,c+this.offset,d+this.offset))},a.prototype.toJSON=function(){for(var a=this.length,b=new Array(a),c=0;a>c;c++)b[c]=this.readUInt8(c);return{type:"Buffer",data:b}},a.prototype.toArrayBuffer=function(){var b=this.getBufferCore();if(b instanceof f.BufferCoreArrayBuffer){var c=b.getDataView(),d=c.buffer;return 0===c.byteOffset&&c.byteLength===d.byteLength?d:d.slice(c.byteOffset,c.byteLength)}var d=new ArrayBuffer(this.length),e=new a(d);return this.copy(e,0,0,this.length),d},a.prototype.copy=function(a,b,c,d){if(void 0===b&&(b=0),void 0===c&&(c=0),void 0===d&&(d=this.length),b=0>b?0:b,c=0>c?0:c,c>d)throw new RangeError("sourceEnd < sourceStart");if(d===c)return 0;if(b>=a.length)throw new RangeError("targetStart out of bounds");if(c>=this.length)throw new RangeError("sourceStart out of bounds");if(d>this.length)throw new RangeError("sourceEnd out of bounds");var e,f=Math.min(d-c,a.length-b,this.length-c);for(e=0;f-3>e;e+=4)a.writeInt32LE(this.readInt32LE(c+e),b+e);for(e=4294967292&f;f>e;e++)a.writeUInt8(this.readUInt8(c+e),b+e);return f},a.prototype.slice=function(b,c){if(void 0===b&&(b=0),void 0===c&&(c=this.length),0>b&&(b+=this.length,0>b&&(b=0)),0>c&&(c+=this.length,0>c&&(c=0)),c>this.length&&(c=this.length),b>c&&(b=c),0>b||0>c||b>=this.length||c>this.length)throw new Error("Invalid slice indices.");return new a(this.data,b+this.offset,c+this.offset)},a.prototype.sliceCopy=function(b,c){if(void 0===b&&(b=0),void 0===c&&(c=this.length),0>b&&(b+=this.length,0>b&&(b=0)),0>c&&(c+=this.length,0>c&&(c=0)),c>this.length&&(c=this.length),b>c&&(b=c),0>b||0>c||b>=this.length||c>this.length)throw new Error("Invalid slice indices.");return new a(this.data.copy(b+this.offset,c+this.offset))},a.prototype.fill=function(a,b,c){void 0===b&&(b=0),void 0===c&&(c=this.length);var d=typeof a;switch(d){case"string":a=255&a.charCodeAt(0);break;case"number":break;default:throw new Error("Invalid argument to fill.")}b+=this.offset,c+=this.offset,this.data.fill(a,b,c)},a.prototype.readUInt8=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readUInt8(a)},a.prototype.readUInt16LE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readUInt16LE(a)},a.prototype.readUInt16BE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readUInt16BE(a)},a.prototype.readUInt32LE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readUInt32LE(a)},a.prototype.readUInt32BE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readUInt32BE(a)},a.prototype.readInt8=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readInt8(a)},a.prototype.readInt16LE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readInt16LE(a)},a.prototype.readInt16BE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readInt16BE(a)},a.prototype.readInt32LE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readInt32LE(a)},a.prototype.readInt32BE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readInt32BE(a)},a.prototype.readFloatLE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,this.data.readFloatLE(a)},a.prototype.readFloatBE=function(a,b){return void 0===b&&(b=!1),a+=this.offset,
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0===c&&(c=!1),b+=this.offset,this.data.writeInt16LE(b,a)},a.prototype.writeInt16BE=function(a,b,c){void 0===c&&(c=!1),b+=this.offset,this.data.writeInt16BE(b,a)},a.prototype.writeInt32LE=function(a,b,c){void 0===c&&(c=!1),b+=this.offset,this.data.writeInt32LE(b,a)},a.prototype.writeInt32BE=function(a,b,c){void 0===c&&(c=!1),b+=this.offset,this.data.writeInt32BE(b,a)},a.prototype.writeFloatLE=function(a,b,c){void 0===c&&(c=!1),b+=this.offset,this.data.writeFloatLE(b,a)},a.prototype.writeFloatBE=function(a,b,c){void 0===c&&(c=!1),b+=this.offset,this.data.writeFloatBE(b,a)},a.prototype.writeDoubleLE=function(a,b,c){void 0===c&&(c=!1),b+=this.offset,this.data.writeDoubleLE(b,a)},a.prototype.writeDoubleBE=function(a,b,c){void 0===c&&(c=!1),b+=this.offset,this.data.writeDoubleBE(b,a)},a.isEncoding=function(a){try{h.FindUtil(a)}catch(b){return!1}return!0},a.isBuffer=function(b){return b instanceof a},a.byteLength=function(a,b){void 0===b&&(b="utf8");var c=h.FindUtil(b);return c.byteLength(a)},a.concat=function(b,c){var d;if(0===b.length||0===c)return new a(0);if(1===b.length)return b[0];if(null==c){c=0;for(var e=0;e<b.length;e++)d=b[e],c+=d.length}for(var f=new a(c),g=0,h=0;h<b.length;h++)d=b[h],g+=d.copy(f,g);return f},a}();c.Buffer=k},{"./buffer_core":17,"./buffer_core_array":18,"./buffer_core_arraybuffer":19,"./buffer_core_imagedata":20,"./string_util":30}],17:[function(a,b,c){var d=Math.pow(2,128),e=-1*d,f=2139095040,g=-8388608,h=2143289344,i=function(){function a(){}return a.prototype.getLength=function(){throw new Error("BufferCore implementations should implement 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b=this.readUInt16BE(a);return 32768&b?4294934528|b:b},a.prototype.readInt32LE=function(a){return 0|this.readUInt32LE(a)},a.prototype.readInt32BE=function(a){return 0|this.readUInt32BE(a)},a.prototype.readUInt8=function(a){throw new Error("BufferCore implementations should implement readUInt8.")},a.prototype.readUInt16LE=function(a){return this.readUInt8(a+1)<<8|this.readUInt8(a)},a.prototype.readUInt16BE=function(a){return this.readUInt8(a)<<8|this.readUInt8(a+1)},a.prototype.readUInt32LE=function(a){return(this.readUInt8(a+3)<<24|this.readUInt8(a+2)<<16|this.readUInt8(a+1)<<8|this.readUInt8(a))>>>0},a.prototype.readUInt32BE=function(a){return(this.readUInt8(a)<<24|this.readUInt8(a+1)<<16|this.readUInt8(a+2)<<8|this.readUInt8(a+3))>>>0},a.prototype.readFloatLE=function(a){return this.intbits2float(this.readInt32LE(a))},a.prototype.readFloatBE=function(a){return this.intbits2float(this.readInt32BE(a))},a.prototype.readDoubleLE=function(a){return 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d=this.__extends||function(a,b){function c(){this.constructor=a}for(var d in b)b.hasOwnProperty(d)&&(a[d]=b[d]);c.prototype=b.prototype,a.prototype=new c},e=a("./api_error"),f=a("./file_flag"),g=a("./node_path"),h=a("./buffer"),i=e.ApiError,j=e.ErrorCode,k=h.Buffer,l=f.ActionType,m=function(){function a(){}return a.prototype.supportsLinks=function(){return!1},a.prototype.diskSpace=function(a,b){b(0,0)},a.prototype.openFile=function(a,b,c){throw new i(j.ENOTSUP)},a.prototype.createFile=function(a,b,c,d){throw new i(j.ENOTSUP)},a.prototype.open=function(a,b,c,d){var e=this,f=function(f,h){if(f)switch(b.pathNotExistsAction()){case l.CREATE_FILE:return e.stat(g.dirname(a),!1,function(f,h){f?d(f):h.isDirectory()?e.createFile(a,b,c,d):d(new i(j.ENOTDIR,g.dirname(a)+" is not a directory."))});case l.THROW_EXCEPTION:return d(new i(j.ENOENT,""+a+" doesn't exist."));default:return d(new i(j.EINVAL,"Invalid FileFlag object."))}else{if(h.isDirectory())return d(new i(j.EISDIR,a+" is a 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l.THROW_EXCEPTION:throw new i(j.ENOENT,""+a+" doesn't exist.");default:throw new i(j.EINVAL,"Invalid FileFlag object.")}}if(d.isDirectory())throw new i(j.EISDIR,a+" is a directory.");switch(b.pathExistsAction()){case l.THROW_EXCEPTION:throw new i(j.EEXIST,a+" already exists.");case l.TRUNCATE_FILE:return this.unlinkSync(a),this.createFileSync(a,b,d.mode);case l.NOP:return this.openFileSync(a,b);default:throw new i(j.EINVAL,"Invalid FileFlag object.")}},a.prototype.unlink=function(a,b){b(new i(j.ENOTSUP))},a.prototype.unlinkSync=function(a){throw new i(j.ENOTSUP)},a.prototype.rmdir=function(a,b){b(new i(j.ENOTSUP))},a.prototype.rmdirSync=function(a){throw new i(j.ENOTSUP)},a.prototype.mkdir=function(a,b,c){c(new i(j.ENOTSUP))},a.prototype.mkdirSync=function(a,b){throw new i(j.ENOTSUP)},a.prototype.readdir=function(a,b){b(new i(j.ENOTSUP))},a.prototype.readdirSync=function(a){throw new i(j.ENOTSUP)},a.prototype.exists=function(a,b){this.stat(a,null,function(a){b(null==a)})},a.prototype.existsSync=function(a){try{return this.statSync(a,!0),!0}catch(b){return!1}},a.prototype.realpath=function(a,b,c){if(this.supportsLinks())for(var d=a.split(g.sep),e=0;e<d.length;e++){var f=d.slice(0,e+1);d[e]=g.join.apply(null,f)}else this.exists(a,function(b){b?c(null,a):c(new i(j.ENOENT,"File "+a+" not found."))})},a.prototype.realpathSync=function(a,b){if(!this.supportsLinks()){if(this.existsSync(a))return a;throw new i(j.ENOENT,"File "+a+" not found.")}for(var c=a.split(g.sep),d=0;d<c.length;d++){var e=c.slice(0,d+1);c[d]=g.join.apply(null,e)}},a.prototype.truncate=function(a,b,c){this.open(a,f.FileFlag.getFileFlag("r+"),420,function(a,d){return a?c(a):void d.truncate(b,function(a){d.close(function(b){c(a||b)})})})},a.prototype.truncateSync=function(a,b){var c=this.openSync(a,f.FileFlag.getFileFlag("r+"),420);try{c.truncateSync(b)}catch(d){throw 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n(o.EINVAL,"Flag passed to readFile must allow for reading.");return a.root.readFileSync(g(b),d.encoding,e)},a.writeFile=function(b,c,e,f){void 0===e&&(e={}),void 0===f&&(f=i);var j=h(e,"utf8","w",420);f="function"==typeof e?e:f;var k=d(f,1);try{var l=p.getFileFlag(j.flag);return l.isWriteable()?a.root.writeFile(g(b),c,j.encoding,l,j.mode,k):k(new n(o.EINVAL,"Flag passed to writeFile must allow for writing."))}catch(m){return k(m)}},a.writeFileSync=function(b,c,d){var e=h(d,"utf8","w",420),f=p.getFileFlag(e.flag);if(!f.isWriteable())throw new n(o.EINVAL,"Flag passed to writeFile must allow for writing.");return a.root.writeFileSync(g(b),c,e.encoding,f,e.mode)},a.appendFile=function(b,c,e,f){void 0===f&&(f=i);var j=h(e,"utf8","a",420);f="function"==typeof e?e:f;var k=d(f,1);try{var l=p.getFileFlag(j.flag);if(!l.isAppendable())return k(new n(o.EINVAL,"Flag passed to appendFile must allow for 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e="ABCDEF";for(b=0;b<e.length;b++)c=e[b],d[c]=b+10;return d}(),a}();c.HEX=k;var l=function(){function a(){}return a.str2byte=function(b,c){if(0===b.length)return 0;var d=a.byteLength(b);d>c.length&&(d=c.length);var e=0,f=0,g=f+d,h=b.charCodeAt(e++);0!==h&&(c.writeUInt8(255&h,0),f=1);for(var i=f;g>i;i+=2){var j=b.charCodeAt(e++);g-i===1&&c.writeUInt8(j>>8,i),g-i>=2&&c.writeUInt16BE(j,i)}return d},a.byte2str=function(a){var b=a.length;if(0===b)return"";for(var c=new Array((b>>1)+1),d=0,e=0;e<c.length;e++)0===e?b%2===1?c[e]=String.fromCharCode(256|a.readUInt8(d++)):c[e]=String.fromCharCode(0):c[e]=String.fromCharCode(a.readUInt8(d++)<<8|a.readUInt8(d++));return c.join("")},a.byteLength=function(a){if(0===a.length)return 0;var b=a.charCodeAt(0),c=a.length-1<<1;return 0!==b&&c++,c},a}();c.BINSTR=l;var m=function(){function a(){}return a.str2byte=function(a,b){for(var c=a.length>b.length?b.length:a.length,d=0;c>d;d++)b.writeUInt8(a.charCodeAt(d)-32,d);return c},a.byte2str=function(a){for(var b=new Array(a.length),c=0;c<a.length;c++)b[c]=String.fromCharCode(a.readUInt8(c)+32);return b.join("")},a.byteLength=function(a){return a.length},a}();c.BINSTRIE=m},{}],31:[function(a,b,c){c.isIE="undefined"!=typeof navigator&&(null!=/(msie) ([\w.]+)/.exec(navigator.userAgent.toLowerCase())||-1!==navigator.userAgent.indexOf("Trident")),c.isWebWorker="undefined"==typeof window},{}],32:[function(a,b,c){var d=a("../core/browserfs"),e=a("../core/node_fs"),f=a("../core/buffer"),g=a("../core/buffer_core_arraybuffer"),h=f.Buffer,i=g.BufferCoreArrayBuffer,j=function(){function a(a){this.fs=a,this.FS=a.getFS(),this.PATH=a.getPATH(),this.ERRNO_CODES=a.getERRNO_CODES()}return a.prototype.open=function(a){var b=this.fs.realPath(a.node),c=this.FS;try{c.isFile(a.node.mode)&&(a.nfd=e.openSync(b,this.fs.flagsToPermissionString(a.flags)))}catch(d){if(!d.code)throw d;throw new c.ErrnoError(this.ERRNO_CODES[d.code])}},a.prototype.close=function(a){var b=this.FS;try{b.isFile(a.node.mode)&&a.nfd&&e.closeSync(a.nfd)}catch(c){if(!c.code)throw c;throw new b.ErrnoError(this.ERRNO_CODES[c.code])}},a.prototype.read=function(a,b,c,d,f){var g,j=new i(b.buffer),k=new h(j,b.byteOffset+c,b.byteOffset+c+d);try{g=e.readSync(a.nfd,k,0,d,f)}catch(l){throw new this.FS.ErrnoError(this.ERRNO_CODES[l.code])}return g},a.prototype.write=function(a,b,c,d,f){var g,j=new i(b.buffer),k=new h(j,b.byteOffset+c,b.byteOffset+c+d);try{g=e.writeSync(a.nfd,k,0,d,f)}catch(l){throw new this.FS.ErrnoError(this.ERRNO_CODES[l.code])}return g},a.prototype.llseek=function(a,b,c){var d=b;if(1===c)d+=a.position;else if(2===c&&this.FS.isFile(a.node.mode))try{var f=e.fstatSync(a.nfd);d+=f.size}catch(g){throw new this.FS.ErrnoError(this.ERRNO_CODES[g.code])}if(0>d)throw new this.FS.ErrnoError(this.ERRNO_CODES.EINVAL);return a.position=d,d},a}(),k=function(){function a(a){this.fs=a,this.FS=a.getFS(),this.PATH=a.getPATH(),this.ERRNO_CODES=a.getERRNO_CODES()}return a.prototype.getattr=function(a){var b,c=this.fs.realPath(a);try{b=e.lstatSync(c)}catch(d){if(!d.code)throw d;throw new this.FS.ErrnoError(this.ERRNO_CODES[d.code])}return{dev:b.dev,ino:b.ino,mode:b.mode,nlink:b.nlink,uid:b.uid,gid:b.gid,rdev:b.rdev,size:b.size,atime:b.atime,mtime:b.mtime,ctime:b.ctime,blksize:b.blksize,blocks:b.blocks}},a.prototype.setattr=function(a,b){var c=this.fs.realPath(a);try{if(void 0!==b.mode&&(e.chmodSync(c,b.mode),a.mode=b.mode),void 0!==b.timestamp){var d=new Date(b.timestamp);e.utimesSync(c,d,d)}}catch(f){if(!f.code)throw f;if("ENOTSUP"!==f.code)throw new this.FS.ErrnoError(this.ERRNO_CODES[f.code])}if(void 0!==b.size)try{e.truncateSync(c,b.size)}catch(f){if(!f.code)throw f;throw new this.FS.ErrnoError(this.ERRNO_CODES[f.code])}},a.prototype.lookup=function(a,b){var c=this.PATH.join2(this.fs.realPath(a),b),d=this.fs.getMode(c);return this.fs.createNode(a,b,d)},a.prototype.mknod=function(a,b,c,d){var f=this.fs.createNode(a,b,c,d),g=this.fs.realPath(f);try{this.FS.isDir(f.mode)?e.mkdirSync(g,f.mode):e.writeFileSync(g,"",{mode:f.mode})}catch(h){if(!h.code)throw h;throw new this.FS.ErrnoError(this.ERRNO_CODES[h.code])}return f},a.prototype.rename=function(a,b,c){var d=this.fs.realPath(a),f=this.PATH.join2(this.fs.realPath(b),c);try{e.renameSync(d,f)}catch(g){if(!g.code)throw g;throw new this.FS.ErrnoError(this.ERRNO_CODES[g.code])}},a.prototype.unlink=function(a,b){var c=this.PATH.join2(this.fs.realPath(a),b);try{e.unlinkSync(c)}catch(d){if(!d.code)throw d;throw new this.FS.ErrnoError(this.ERRNO_CODES[d.code])}},a.prototype.rmdir=function(a,b){var c=this.PATH.join2(this.fs.realPath(a),b);try{e.rmdirSync(c)}catch(d){if(!d.code)throw d;throw new this.FS.ErrnoError(this.ERRNO_CODES[d.code])}},a.prototype.readdir=function(a){var b=this.fs.realPath(a);try{return e.readdirSync(b)}catch(c){if(!c.code)throw c;throw new this.FS.ErrnoError(this.ERRNO_CODES[c.code])}},a.prototype.symlink=function(a,b,c){var d=this.PATH.join2(this.fs.realPath(a),b);try{e.symlinkSync(c,d)}catch(f){if(!f.code)throw f;throw new this.FS.ErrnoError(this.ERRNO_CODES[f.code])}},a.prototype.readlink=function(a){var b=this.fs.realPath(a);try{return e.readlinkSync(b)}catch(c){if(!c.code)throw c;throw new this.FS.ErrnoError(this.ERRNO_CODES[c.code])}},a}(),l=function(){function a(a,b,c){if(void 0===a&&(a=self.FS),void 0===b&&(b=self.PATH),void 0===c&&(c=self.ERRNO_CODES),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+"},"undefined"==typeof d)throw new Error("BrowserFS is not loaded. Please load it before this library.");this.FS=a,this.PATH=b,this.ERRNO_CODES=c,this.node_ops=new k(this),this.stream_ops=new j(this)}return a.prototype.mount=function(a){return this.createNode(null,"/",this.getMode(a.opts.root),0)},a.prototype.createNode=function(a,b,c,d){var e=this.FS;if(!e.isDir(c)&&!e.isFile(c)&&!e.isLink(c))throw new e.ErrnoError(this.ERRNO_CODES.EINVAL);var f=e.createNode(a,b,c);return f.node_ops=this.node_ops,f.stream_ops=this.stream_ops,f},a.prototype.getMode=function(a){var b;try{b=e.lstatSync(a)}catch(c){if(!c.code)throw c;throw new this.FS.ErrnoError(this.ERRNO_CODES[c.code])}return b.mode},a.prototype.realPath=function(a){for(var b=[];a.parent!==a;)b.push(a.name),a=a.parent;return b.push(a.mount.opts.root),b.reverse(),this.PATH.join.apply(null,b)},a.prototype.flagsToPermissionString=function(a){var b="string"==typeof a?parseInt(a,10):a;return b&=8191,b in this.flagsToPermissionStringMap?this.flagsToPermissionStringMap[b]:a},a.prototype.getFS=function(){return this.FS},a.prototype.getPATH=function(){return this.PATH},a.prototype.getERRNO_CODES=function(){return this.ERRNO_CODES},a}();c.BFSEmscriptenFS=l,d.EmscriptenFS=l},{"../core/browserfs":15,"../core/buffer":16,"../core/buffer_core_arraybuffer":19,"../core/node_fs":26}],33:[function(a,b,c){var d=a("../core/node_fs_stats"),e=a("../core/node_path"),f=d.Stats,g=function(){function a(){this._index={},this.addPath("/",new i)}return a.prototype._split_path=function(a){var b=e.dirname(a),c=a.substr(b.length+("/"===b?0:1));return[b,c]},a.prototype.fileIterator=function(a){for(var b in this._index)for(var c=this._index[b],d=c.getListing(),e=0;e<d.length;e++){var f=c.getItem(d[e]);f.isFile()&&a(f.getData())}},a.prototype.addPath=function(a,b){if(null==b)throw new Error("Inode must be specified");if("/"!==a[0])throw new Error("Path must be absolute, got: "+a);if(this._index.hasOwnProperty(a))return this._index[a]===b;var c=this._split_path(a),d=c[0],e=c[1],f=this._index[d];return(void 0!==f||"/"===a||(f=new i,this.addPath(d,f)))&&("/"===a||f.addItem(e,b))?(b.isFile()||(this._index[a]=b),!0):!1},a.prototype.removePath=function(a){var b=this._split_path(a),c=b[0],d=b[1],e=this._index[c];if(void 0===e)return null;var f=e.remItem(d);if(null===f)return null;if(!f.isFile()){for(var g=f,h=g.getListing(),i=0;i<h.length;i++)this.removePath(a+"/"+h[i]);"/"!==a&&delete this._index[a]}return f},a.prototype.ls=function(a){var b=this._index[a];return void 0===b?null:b.getListing()},a.prototype.getInode=function(a){var b=this._split_path(a),c=b[0],d=b[1],e=this._index[c];return void 0===e?null:c===a?e:e.getItem(d)},a.from_listing=function(b){var c=new a,e=new i;c._index["/"]=e;for(var g=[["",b,e]];g.length>0;){var j,k=g.pop(),l=k[0],m=k[1],n=k[2];for(var o in m){var p=m[o],q=""+l+"/"+o;null!=p?(c._index[q]=j=new i,g.push([q,p,j])):j=new h(new f(d.FileType.FILE,-1,365)),null!=n&&(n._ls[o]=j)}}return c},a}();c.FileIndex=g;var h=function(){function a(a){this.data=a}return a.prototype.isFile=function(){return!0},a.prototype.isDir=function(){return!1},a.prototype.getData=function(){return this.data},a.prototype.setData=function(a){this.data=a},a}();c.FileInode=h;var i=function(){function a(){this._ls={}}return a.prototype.isFile=function(){return!1},a.prototype.isDir=function(){return!0},a.prototype.getStats=function(){return new f(d.FileType.DIRECTORY,4096,365)},a.prototype.getListing=function(){return Object.keys(this._ls)},a.prototype.getItem=function(a){var b;return null!=(b=this._ls[a])?b:null},a.prototype.addItem=function(a,b){return a in this._ls?!1:(this._ls[a]=b,!0)},a.prototype.remItem=function(a){var b=this._ls[a];return void 0===b?null:(delete this._ls[a],b)},a}();c.DirInode=i},{"../core/node_fs_stats":27,"../core/node_path":28}],34:[function(a,b,c){var d=a("../core/node_fs_stats"),e=a("../core/buffer"),f=function(){function a(a,b,c,d,e,f){this.id=a,this.size=b,this.mode=c,this.atime=d,this.mtime=e,this.ctime=f}return a.prototype.toStats=function(){return new d.Stats((61440&this.mode)===d.FileType.DIRECTORY?d.FileType.DIRECTORY:d.FileType.FILE,this.size,this.mode,new Date(this.atime),new Date(this.mtime),new Date(this.ctime))},a.prototype.getSize=function(){return 30+this.id.length},a.prototype.toBuffer=function(a){return void 0===a&&(a=new e.Buffer(this.getSize())),a.writeUInt32LE(this.size,0),a.writeUInt16LE(this.mode,4),a.writeDoubleLE(this.atime,6),a.writeDoubleLE(this.mtime,14),a.writeDoubleLE(this.ctime,22),a.write(this.id,30,this.id.length,"ascii"),a},a.prototype.update=function(a){var b=!1;this.size!==a.size&&(this.size=a.size,b=!0),this.mode!==a.mode&&(this.mode=a.mode,b=!0);var c=a.atime.getTime();this.atime!==c&&(this.atime=c,b=!0);var d=a.mtime.getTime();this.mtime!==d&&(this.mtime=d,b=!0);var e=a.ctime.getTime();return this.ctime!==e&&(this.ctime=e,b=!0),b},a.fromBuffer=function(b){if(void 0===b)throw new Error("NO");return new a(b.toString("ascii",30),b.readUInt32LE(0),b.readUInt16LE(4),b.readDoubleLE(6),b.readDoubleLE(14),b.readDoubleLE(22))},a.prototype.isFile=function(){return(61440&this.mode)===d.FileType.FILE},a.prototype.isDirectory=function(){return(61440&this.mode)===d.FileType.DIRECTORY},a}();b.exports=f},{"../core/buffer":16,"../core/node_fs_stats":27}],35:[function(a,b,c){function d(){return"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g,function(a){var b=16*Math.random()|0,c="x"==a?b:3&b|8;return c.toString(16)})}function e(a,b){return a?(b(a),!1):!0}function f(a,b,c){return a?(b.abort(function(){c(a)}),!1):!0}var g=this.__extends||function(a,b){function c(){this.constructor=a}for(var d in b)b.hasOwnProperty(d)&&(a[d]=b[d]);c.prototype=b.prototype,a.prototype=new c},h=a("../core/file_system"),i=a("../core/api_error"),j=a("../core/node_fs_stats"),k=a("../core/node_path"),l=a("../generic/inode"),m=a("../core/buffer"),n=a("../generic/preload_file"),o="/",p=i.ApiError,q=m.Buffer,r=function(){function a(a){this.store=a,this.originalData={},this.modifiedKeys=[]}return a.prototype.stashOldValue=function(a,b){this.originalData.hasOwnProperty(a)||(this.originalData[a]=b)},a.prototype.markModified=function(a){-1===this.modifiedKeys.indexOf(a)&&(this.modifiedKeys.push(a),this.originalData.hasOwnProperty(a)||(this.originalData[a]=this.store.get(a)))},a.prototype.get=function(a){var b=this.store.get(a);return this.stashOldValue(a,b),b},a.prototype.put=function(a,b,c){return this.markModified(a),this.store.put(a,b,c)},a.prototype["delete"]=function(a){this.markModified(a),this.store["delete"](a)},a.prototype.commit=function(){},a.prototype.abort=function(){var a,b,c;for(a=0;a<this.modifiedKeys.length;a++)b=this.modifiedKeys[a],c=this.originalData[b],null===c?this.store["delete"](b):this.store.put(b,c,!0)},a}();c.SimpleSyncRWTransaction=r;var s=function(a){function b(b,c,d,e,f){a.call(this,b,c,d,e,f)}return g(b,a),b.prototype.syncSync=function(){this.isDirty()&&(this._fs._syncSync(this.getPath(),this.getBuffer(),this.getStats()),this.resetDirty())},b.prototype.closeSync=function(){this.syncSync()},b}(n.PreloadFile);c.SyncKeyValueFile=s;var t=function(a){function b(b){a.call(this),this.store=b.store,this.makeRootDirectory()}return g(b,a),b.isAvailable=function(){return!0},b.prototype.getName=function(){return this.store.name()},b.prototype.isReadOnly=function(){return!1},b.prototype.supportsSymlinks=function(){return!1},b.prototype.supportsProps=function(){return!1},b.prototype.supportsSynch=function(){return!0},b.prototype.makeRootDirectory=function(){var a=this.store.beginTransaction("readwrite");if(void 0===a.get(o)){var b=(new Date).getTime(),c=new l(d(),4096,511|j.FileType.DIRECTORY,b,b,b);a.put(c.id,new q("{}"),!1),a.put(o,c.toBuffer(),!1),a.commit()}},b.prototype._findINode=function(a,b,c){var d=this,e=function(e){var f=d.getDirListing(a,b,e);if(f[c])return f[c];throw p.ENOENT(k.resolve(b,c))};return"/"===b?""===c?o:e(this.getINode(a,b,o)):e(this.getINode(a,b+k.sep+c,this._findINode(a,k.dirname(b),k.basename(b))))},b.prototype.findINode=function(a,b){return this.getINode(a,b,this._findINode(a,k.dirname(b),k.basename(b)))},b.prototype.getINode=function(a,b,c){var d=a.get(c);if(void 0===d)throw p.ENOENT(b);return l.fromBuffer(d)},b.prototype.getDirListing=function(a,b,c){if(!c.isDirectory())throw p.ENOTDIR(b);var d=a.get(c.id);if(void 0===d)throw p.ENOENT(b);return JSON.parse(d.toString())},b.prototype.addNewNode=function(a,b){for(var c,e=0;5>e;)try{return c=d(),a.put(c,b,!1),c}catch(f){}throw new p(i.ErrorCode.EIO,"Unable to commit data to key-value store.")},b.prototype.commitNewFile=function(a,b,c,d,e){var f=k.dirname(b),g=k.basename(b),h=this.findINode(a,f),i=this.getDirListing(a,f,h),j=(new Date).getTime();if("/"===b)throw p.EEXIST(b);if(i[g])throw p.EEXIST(b);try{var m=this.addNewNode(a,e),n=new l(m,e.length,d|c,j,j,j),o=this.addNewNode(a,n.toBuffer());i[g]=o,a.put(h.id,new q(JSON.stringify(i)),!0)}catch(r){throw a.abort(),r}return a.commit(),n},b.prototype.empty=function(){this.store.clear(),this.makeRootDirectory()},b.prototype.renameSync=function(a,b){var c=this.store.beginTransaction("readwrite"),d=k.dirname(a),e=k.basename(a),f=k.dirname(b),g=k.basename(b),h=this.findINode(c,d),j=this.getDirListing(c,d,h);if(!j[e])throw p.ENOENT(a);var l=j[e];if(delete j[e],0===(f+"/").indexOf(a+"/"))throw new p(i.ErrorCode.EBUSY,d);var m,n;if(f===d?(m=h,n=j):(m=this.findINode(c,f),n=this.getDirListing(c,f,m)),n[g]){var o=this.getINode(c,b,n[g]);if(!o.isFile())throw p.EPERM(b);try{c["delete"](o.id),c["delete"](n[g])}catch(r){throw c.abort(),r}}n[g]=l;try{c.put(h.id,new q(JSON.stringify(j)),!0),c.put(m.id,new q(JSON.stringify(n)),!0)}catch(r){throw c.abort(),r}c.commit()},b.prototype.statSync=function(a,b){return this.findINode(this.store.beginTransaction("readonly"),a).toStats()},b.prototype.createFileSync=function(a,b,c){var d=this.store.beginTransaction("readwrite"),e=new q(0),f=this.commitNewFile(d,a,j.FileType.FILE,c,e);return new s(this,a,b,f.toStats(),e)},b.prototype.openFileSync=function(a,b){
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b.fill(0),this.writeSync(b,0,b.length,this._buffer.length),void(this._flag.isSynchronous()&&h.getRootFS().supportsSynch()&&this.syncSync())}this._stat.size=a;var c=new k(a);this._buffer.copy(c,0,0,a),this._buffer=c,this._flag.isSynchronous()&&h.getRootFS().supportsSynch()&&this.syncSync()},b.prototype.write=function(a,b,c,d,e){try{e(null,this.writeSync(a,b,c,d),a)}catch(f){e(f)}},b.prototype.writeSync=function(a,b,c,d){if(this._dirty=!0,null==d&&(d=this.getPos()),!this._flag.isWriteable())throw new i(j.EPERM,"File not opened with a writeable mode.");var e=d+c;if(e>this._stat.size&&(this._stat.size=e,e>this._buffer.length)){var f=new k(e);this._buffer.copy(f),this._buffer=f}var g=a.copy(this._buffer,d,b,b+c);return this._stat.mtime=new Date,this._flag.isSynchronous()?(this.syncSync(),g):(this.setPos(d+g),g)},b.prototype.read=function(a,b,c,d,e){try{e(null,this.readSync(a,b,c,d),a)}catch(f){e(f)}},b.prototype.readSync=function(a,b,c,d){if(!this._flag.isReadable())throw new 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d=a("./core/global");if(Date.now||(Date.now=function(){return(new Date).getTime()}),Array.isArray||(Array.isArray=function(a){return"[object Array]"===Object.prototype.toString.call(a)}),Object.keys||(Object.keys=function(){"use strict";var a=Object.prototype.hasOwnProperty,b=!{toString:null}.propertyIsEnumerable("toString"),c=["toString","toLocaleString","valueOf","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","constructor"],d=c.length;return function(e){if("object"!=typeof e&&("function"!=typeof e||null===e))throw new TypeError("Object.keys called on non-object");var f,g,h=[];for(f in e)a.call(e,f)&&h.push(f);if(b)for(g=0;d>g;g++)a.call(e,c[g])&&h.push(c[g]);return h}}()),"b"!=="ab".substr(-1)&&(String.prototype.substr=function(a){return function(b,c){return 0>b&&(b=this.length+b),a.call(this,b,c)}}(String.prototype.substr)),Array.prototype.forEach||(Array.prototype.forEach=function(a,b){for(var c=0;c<this.length;++c)c in this&&a.call(b,this[c],c,this)}),"undefined"==typeof 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