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repo: janusweb
action: commit
revision:
path_from:
revision_from: dc6d4d176c1d1cc9f1945accd4f3fe9d1cf442a0:
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commit dc6d4d176c1d1cc9f1945accd4f3fe9d1cf442a0
Author: James Baicoianu <james_github@baicoianu.com>
Date:   Sun Jan 30 13:51:45 2022 -0800

    Added new virtual filesystem app

diff --git a/media/assets/webui/apps/vfs/browserfs/browserfs.js b/media/assets/webui/apps/vfs/browserfs/browserfs.js
new file mode 100644
index 0000000000000000000000000000000000000000..5bcefdd4f9b3b7abc54bde16b0cf4aa2ec9dddc5
--- /dev/null
+++ b/media/assets/webui/apps/vfs/browserfs/browserfs.js
@@ -0,0 +1,8 @@
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b}(t,e)}}).filter(function(t){return t.distance<5}).sort(function(t,e){return t.distance-e.distance});return a?{}:(a=!0,{v:n(new h(s.EINVAL,"["+i+"] Required option '"+t+"' not provided."+(l.length>0?" 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this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},Q.prototype.write=function(t,e,n,r,i){try{return this.nodefs.writeSync(t.nfd,H(e),n,r,i)}catch(t){throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},Q.prototype.llseek=function(t,e,n){var r=e;if(1===n)r+=t.position;else if(2===n&&this.FS.isFile(t.node.mode))try{r+=this.nodefs.fstatSync(t.nfd).size}catch(t){throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}if(r<0)throw new this.FS.ErrnoError(this.ERRNO_CODES.EINVAL);return t.position=r,r};var $=function(t){this.fs=t,this.nodefs=t.getNodeFS(),this.FS=t.getFS(),this.PATH=t.getPATH(),this.ERRNO_CODES=t.getERRNO_CODES()};$.prototype.getattr=function(t){var e,n=this.fs.realPath(t);try{e=this.nodefs.lstatSync(n)}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}return{dev:e.dev,ino:e.ino,mode:e.mode,nlink:e.nlink,uid:e.uid,gid:e.gid,rdev:e.rdev,size:e.size,atime:e.atime,mtime:e.mtime,ctime:e.ctime,blksize:e.blksize,blocks:e.blocks}},$.prototype.setattr=function(t,e){var n=this.fs.realPath(t);try{if(void 0!==e.mode&&(this.nodefs.chmodSync(n,e.mode),t.mode=e.mode),void 0!==e.timestamp){var r=new Date(e.timestamp);this.nodefs.utimesSync(n,r,r)}}catch(t){if(!t.code)throw t;if("ENOTSUP"!==t.code)throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}if(void 0!==e.size)try{this.nodefs.truncateSync(n,e.size)}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},$.prototype.lookup=function(t,e){var n=this.PATH.join2(this.fs.realPath(t),e),r=this.fs.getMode(n);return this.fs.createNode(t,e,r)},$.prototype.mknod=function(t,e,n,r){var i=this.fs.createNode(t,e,n,r),o=this.fs.realPath(i);try{this.FS.isDir(i.mode)?this.nodefs.mkdirSync(o,i.mode):this.nodefs.writeFileSync(o,"",{mode:i.mode})}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}return i},$.prototype.rename=function(t,e,n){var r=this.fs.realPath(t),i=this.PATH.join2(this.fs.realPath(e),n);try{this.nodefs.renameSync(r,i),t.name=n,t.parent=e}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},$.prototype.unlink=function(t,e){var n=this.PATH.join2(this.fs.realPath(t),e);try{this.nodefs.unlinkSync(n)}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},$.prototype.rmdir=function(t,e){var n=this.PATH.join2(this.fs.realPath(t),e);try{this.nodefs.rmdirSync(n)}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},$.prototype.readdir=function(t){var e=this.fs.realPath(t);try{var n=this.nodefs.readdirSync(e);return n.push(".",".."),n}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},$.prototype.symlink=function(t,e,n){var r=this.PATH.join2(this.fs.realPath(t),e);try{this.nodefs.symlinkSync(n,r)}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}},$.prototype.readlink=function(t){var e=this.fs.realPath(t);try{return this.nodefs.readlinkSync(e)}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}};var tt=function(t,e,n,r){void 0===t&&(t=self.FS),void 0===e&&(e=self.PATH),void 0===n&&(n=self.ERRNO_CODES),void 0===r&&(r=A),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.nodefs=r,this.FS=t,this.PATH=e,this.ERRNO_CODES=n,this.node_ops=new $(this),this.stream_ops=new Q(this)};tt.prototype.mount=function(t){return this.createNode(null,"/",this.getMode(t.opts.root),0)},tt.prototype.createNode=function(t,e,n,r){var i=this.FS;if(!i.isDir(n)&&!i.isFile(n)&&!i.isLink(n))throw new i.ErrnoError(this.ERRNO_CODES.EINVAL);var o=i.createNode(t,e,n);return o.node_ops=this.node_ops,o.stream_ops=this.stream_ops,o},tt.prototype.getMode=function(t){var e;try{e=this.nodefs.lstatSync(t)}catch(t){if(!t.code)throw t;throw new this.FS.ErrnoError(this.ERRNO_CODES[t.code])}return e.mode},tt.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(),this.PATH.join.apply(null,e)},tt.prototype.flagsToPermissionString=function(t){var e="string"==typeof t?parseInt(t,10):t;return(e&=8191)in this.flagsToPermissionStringMap?this.flagsToPermissionStringMap[e]:t},tt.prototype.getNodeFS=function(){return this.nodefs},tt.prototype.getFS=function(){return this.FS},tt.prototype.getPATH=function(){return this.PATH},tt.prototype.getERRNO_CODES=function(){return this.ERRNO_CODES};var et=function(){};et.prototype.supportsLinks=function(){return!1},et.prototype.diskSpace=function(t,e){e(0,0)},et.prototype.openFile=function(t,e,n){throw new h(s.ENOTSUP)},et.prototype.createFile=function(t,e,n,r){throw new h(s.ENOTSUP)},et.prototype.open=function(t,e,n,r){var i=this;this.stat(t,!1,function(o,c){if(o)switch(e.pathNotExistsAction()){case f.CREATE_FILE:return i.stat(a.dirname(t),!1,function(o,s){o?r(o):s&&!s.isDirectory()?r(h.ENOTDIR(a.dirname(t))):i.createFile(t,e,n,r)});case f.THROW_EXCEPTION:return r(h.ENOENT(t));default:return r(new h(s.EINVAL,"Invalid FileFlag object."))}else{if(c&&c.isDirectory())return r(h.EISDIR(t));switch(e.pathExistsAction()){case f.THROW_EXCEPTION:return r(h.EEXIST(t));case f.TRUNCATE_FILE:return i.openFile(t,e,function(t,e){t?r(t):e?e.truncate(0,function(){e.sync(function(){r(null,e)})}):j()});case f.NOP:return i.openFile(t,e,r);default:return r(new h(s.EINVAL,"Invalid FileFlag object."))}}})},et.prototype.rename=function(t,e,n){n(new h(s.ENOTSUP))},et.prototype.renameSync=function(t,e){throw new h(s.ENOTSUP)},et.prototype.stat=function(t,e,n){n(new h(s.ENOTSUP))},et.prototype.statSync=function(t,e){throw new h(s.ENOTSUP)},et.prototype.openFileSync=function(t,e,n){throw new h(s.ENOTSUP)},et.prototype.createFileSync=function(t,e,n){throw new h(s.ENOTSUP)},et.prototype.openSync=function(t,e,n){var r;try{r=this.statSync(t,!1)}catch(r){switch(e.pathNotExistsAction()){case f.CREATE_FILE:if(!this.statSync(a.dirname(t),!1).isDirectory())throw h.ENOTDIR(a.dirname(t));return this.createFileSync(t,e,n);case f.THROW_EXCEPTION:throw h.ENOENT(t);default:throw new h(s.EINVAL,"Invalid FileFlag object.")}}if(r.isDirectory())throw h.EISDIR(t);switch(e.pathExistsAction()){case f.THROW_EXCEPTION:throw h.EEXIST(t);case f.TRUNCATE_FILE:return this.unlinkSync(t),this.createFileSync(t,e,r.mode);case f.NOP:return this.openFileSync(t,e,n);default:throw new h(s.EINVAL,"Invalid FileFlag object.")}},et.prototype.unlink=function(t,e){e(new h(s.ENOTSUP))},et.prototype.unlinkSync=function(t){throw new h(s.ENOTSUP)},et.prototype.rmdir=function(t,e){e(new h(s.ENOTSUP))},et.prototype.rmdirSync=function(t){throw new h(s.ENOTSUP)},et.prototype.mkdir=function(t,e,n){n(new h(s.ENOTSUP))},et.prototype.mkdirSync=function(t,e){throw new h(s.ENOTSUP)},et.prototype.readdir=function(t,e){e(new h(s.ENOTSUP))},et.prototype.readdirSync=function(t){throw new h(s.ENOTSUP)},et.prototype.exists=function(t,e){this.stat(t,null,function(t){e(!t)})},et.prototype.existsSync=function(t){try{return this.statSync(t,!0),!0}catch(t){return!1}},et.prototype.realpath=function(t,e,n){if(this.supportsLinks())for(var r=t.split(a.sep),i=0;i<r.length;i++){var o=r.slice(0,i+1);r[i]=a.join.apply(null,o)}else this.exists(t,function(e){e?n(null,t):n(h.ENOENT(t))})},et.prototype.realpathSync=function(t,e){if(this.supportsLinks()){for(var n=t.split(a.sep),r=0;r<n.length;r++){var i=n.slice(0,r+1);n[r]=a.join.apply(a,i)}return n.join(a.sep)}if(this.existsSync(t))return t;throw h.ENOENT(t)},et.prototype.truncate=function(t,e,n){this.open(t,d.getFileFlag("r+"),420,function(t,r){if(t)return n(t);r.truncate(e,function(t){r.close(function(e){n(t||e)})})})},et.prototype.truncateSync=function(t,e){var n=this.openSync(t,d.getFileFlag("r+"),420);try{n.truncateSync(e)}catch(t){throw t}finally{n.closeSync()}},et.prototype.readFile=function(e,n,r,i){var o=i;this.open(e,r,420,function(e,r){if(e)return i(e);i=function(t,e){r.close(function(n){return t||(t=n),o(t,e)})},r.stat(function(e,o){if(e)return i(e);var s=t.alloc(o.size);r.read(s,0,o.size,0,function(t){if(t)return i(t);if(null===n)return i(t,s);try{i(null,s.toString(n))}catch(t){i(t)}})})})},et.prototype.readFileSync=function(e,n,r){var i=this.openSync(e,r,420);try{var o=i.statSync(),s=t.alloc(o.size);return 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h(s.ENOTSUP)},et.prototype.chown=function(t,e,n,r,i){i(new h(s.ENOTSUP))},et.prototype.chownSync=function(t,e,n,r){throw new h(s.ENOTSUP)},et.prototype.utimes=function(t,e,n,r){r(new h(s.ENOTSUP))},et.prototype.utimesSync=function(t,e,n){throw new h(s.ENOTSUP)},et.prototype.link=function(t,e,n){n(new h(s.ENOTSUP))},et.prototype.linkSync=function(t,e){throw new h(s.ENOTSUP)},et.prototype.symlink=function(t,e,n,r){r(new h(s.ENOTSUP))},et.prototype.symlinkSync=function(t,e,n){throw new h(s.ENOTSUP)},et.prototype.readlink=function(t,e){e(new h(s.ENOTSUP))},et.prototype.readlinkSync=function(t){throw new h(s.ENOTSUP)};var nt=function(t){function e(){t.apply(this,arguments)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.supportsSynch=function(){return!0},e.prototype.rename=function(t,e,n){try{this.renameSync(t,e),n()}catch(t){n(t)}},e.prototype.stat=function(t,e,n){try{n(null,this.statSync(t,e))}catch(t){n(t)}},e.prototype.open=function(t,e,n,r){try{r(null,this.openSync(t,e,n))}catch(t){r(t)}},e.prototype.unlink=function(t,e){try{this.unlinkSync(t),e()}catch(t){e(t)}},e.prototype.rmdir=function(t,e){try{this.rmdirSync(t),e()}catch(t){e(t)}},e.prototype.mkdir=function(t,e,n){try{this.mkdirSync(t,e),n()}catch(t){n(t)}},e.prototype.readdir=function(t,e){try{e(null,this.readdirSync(t))}catch(t){e(t)}},e.prototype.chmod=function(t,e,n,r){try{this.chmodSync(t,e,n),r()}catch(t){r(t)}},e.prototype.chown=function(t,e,n,r,i){try{this.chownSync(t,e,n,r),i()}catch(t){i(t)}},e.prototype.utimes=function(t,e,n,r){try{this.utimesSync(t,e,n),r()}catch(t){r(t)}},e.prototype.link=function(t,e,n){try{this.linkSync(t,e),n()}catch(t){n(t)}},e.prototype.symlink=function(t,e,n,r){try{this.symlinkSync(t,e,n),r()}catch(t){r(t)}},e.prototype.readlink=function(t,e){try{e(null,this.readlinkSync(t))}catch(t){e(t)}},e}(et),rt=function(){};rt.prototype.sync=function(t){t(new h(s.ENOTSUP))},rt.prototype.syncSync=function(){throw new h(s.ENOTSUP)},rt.prototype.datasync=function(t){this.sync(t)},rt.prototype.datasyncSync=function(){return this.syncSync()},rt.prototype.chown=function(t,e,n){n(new h(s.ENOTSUP))},rt.prototype.chownSync=function(t,e){throw new h(s.ENOTSUP)},rt.prototype.chmod=function(t,e){e(new h(s.ENOTSUP))},rt.prototype.chmodSync=function(t){throw new h(s.ENOTSUP)},rt.prototype.utimes=function(t,e,n){n(new h(s.ENOTSUP))},rt.prototype.utimesSync=function(t,e){throw new h(s.ENOTSUP)};var it=function(e){function n(t,n,r,i,o){if(e.call(this),this._pos=0,this._dirty=!1,this._fs=t,this._path=n,this._flag=r,this._stat=i,this._buffer=o||X(),this._stat.size!==this._buffer.length&&this._flag.isReadable())throw new Error("Invalid buffer: Buffer is "+this._buffer.length+" long, yet Stats object specifies that file is "+this._stat.size+" long.")}return e&&(n.__proto__=e),n.prototype=Object.create(e&&e.prototype),n.prototype.constructor=n,n.prototype.getBuffer=function(){return this._buffer},n.prototype.getStats=function(){return this._stat},n.prototype.getFlag=function(){return this._flag},n.prototype.getPath=function(){return this._path},n.prototype.getPos=function(){return this._flag.isAppendable()?this._stat.size:this._pos},n.prototype.advancePos=function(t){return this._pos+=t},n.prototype.setPos=function(t){return this._pos=t},n.prototype.sync=function(t){try{this.syncSync(),t()}catch(e){t(e)}},n.prototype.syncSync=function(){throw new h(s.ENOTSUP)},n.prototype.close=function(t){try{this.closeSync(),t()}catch(e){t(e)}},n.prototype.closeSync=function(){throw new h(s.ENOTSUP)},n.prototype.stat=function(t){try{t(null,y.clone(this._stat))}catch(e){t(e)}},n.prototype.statSync=function(){return y.clone(this._stat)},n.prototype.truncate=function(t,e){try{this.truncateSync(t),this._flag.isSynchronous()&&!A.getRootFS().supportsSynch()&&this.sync(e),e()}catch(t){return e(t)}},n.prototype.truncateSync=function(e){if(this._dirty=!0,!this._flag.isWriteable())throw new h(s.EPERM,"File not opened with a writeable mode.");if(this._stat.mtimeMs=Date.now(),e>this._buffer.length){var n=t.alloc(e-this._buffer.length,0);return this.writeSync(n,0,n.length,this._buffer.length),void(this._flag.isSynchronous()&&A.getRootFS().supportsSynch()&&this.syncSync())}this._stat.size=e;var r=t.alloc(e);this._buffer.copy(r,0,0,e),this._buffer=r,this._flag.isSynchronous()&&A.getRootFS().supportsSynch()&&this.syncSync()},n.prototype.write=function(t,e,n,r,i){try{i(null,this.writeSync(t,e,n,r),t)}catch(t){i(t)}},n.prototype.writeSync=function(e,n,r,i){if(this._dirty=!0,void 0!==i&&null!==i||(i=this.getPos()),!this._flag.isWriteable())throw new h(s.EPERM,"File not opened with a writeable mode.");var o=i+r;if(o>this._stat.size&&(this._stat.size=o,o>this._buffer.length)){var a=t.alloc(o);this._buffer.copy(a),this._buffer=a}var c=e.copy(this._buffer,i,n,n+r);return this._stat.mtimeMs=Date.now(),this._flag.isSynchronous()?(this.syncSync(),c):(this.setPos(i+c),c)},n.prototype.read=function(t,e,n,r,i){try{i(null,this.readSync(t,e,n,r),t)}catch(t){i(t)}},n.prototype.readSync=function(t,e,n,r){if(!this._flag.isReadable())throw new h(s.EPERM,"File not opened with a readable mode.");void 0!==r&&null!==r||(r=this.getPos()),r+n>this._stat.size&&(n=this._stat.size-r);var i=this._buffer.copy(t,e,r,r+n);return this._stat.atimeMs=Date.now(),this._pos=r+n,i},n.prototype.chmod=function(t,e){try{this.chmodSync(t),e()}catch(t){e(t)}},n.prototype.chmodSync=function(t){if(!this._fs.supportsProps())throw new h(s.ENOTSUP);this._dirty=!0,this._stat.chmod(t),this.syncSync()},n.prototype.isDirty=function(){return this._dirty},n.prototype.resetDirty=function(){this._dirty=!1},n}(rt),ot=function(t){function 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r=this.store.beginTransaction("readwrite"),i=a.dirname(e),o=this.findINode(r,i),s=this.getDirListing(r,i,o),c=a.basename(e);if(!s[c])throw h.ENOENT(e);var u=s[c];delete s[c];var f=this.getINode(r,e,u);if(!n&&f.isDirectory())throw h.EISDIR(e);if(n&&!f.isDirectory())throw h.ENOTDIR(e);try{r.del(f.id),r.del(u),r.put(o.id,t.from(JSON.stringify(s)),!0)}catch(t){throw r.abort(),t}r.commit()},n}(nt),en=function(t){function e(e,n,r,i,o){t.call(this,e,n,r,i,o)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.sync=function(t){var e=this;this.isDirty()?this._fs._sync(this.getPath(),this.getBuffer(),this.getStats(),function(n){n||e.resetDirty(),t(n)}):t()},e.prototype.close=function(t){this.sync(t)},e}(it),nn=function(e){function n(t){e.call(this),this._cache=null,t>0&&(this._cache=new Ge(t))}return e&&(n.__proto__=e),n.prototype=Object.create(e&&e.prototype),n.prototype.constructor=n,n.isAvailable=function(){return!0},n.prototype.init=function(t,e){this.store=t,this.makeRootDirectory(e)},n.prototype.getName=function(){return this.store.name()},n.prototype.isReadOnly=function(){return!1},n.prototype.supportsSymlinks=function(){return!1},n.prototype.supportsProps=function(){return!1},n.prototype.supportsSynch=function(){return!1},n.prototype.empty=function(t){var e=this;this._cache&&this._cache.removeAll(),this.store.clear(function(n){Xe(n,t)&&e.makeRootDirectory(t)})},n.prototype.rename=function(e,n,r){var i=this;if(this._cache){var o=this._cache;this._cache=null,o.removeAll();var c=r;r=function(t){i._cache=o,c(t)}}var u=this.store.beginTransaction("readwrite"),f=a.dirname(e),l=a.basename(e),p=a.dirname(n),d=a.basename(n),y={},g={},_=!1;if(0===(p+"/").indexOf(e+"/"))return r(new h(s.EBUSY,f));var m=function(o){i.findINodeAndDirListing(u,o,function(s,a,c){s?_||(_=!0,u.abort(function(){r(s)})):(y[o]=a,g[o]=c,function(){if(!_&&g.hasOwnProperty(f)&&g.hasOwnProperty(p)){var o=g[f],s=y[f],a=g[p],c=y[p];if(o[l]){var m=o[l];delete o[l];var w=function(){a[d]=m,u.put(s.id,t.from(JSON.stringify(o)),!0,function(e){Je(e,u,r)&&(f===p?u.commit(r):u.put(c.id,t.from(JSON.stringify(a)),!0,function(t){Je(t,u,r)&&u.commit(r)}))})};a[d]?i.getINode(u,n,a[d],function(t,e){Je(t,u,r)&&(e.isFile()?u.del(e.id,function(t){Je(t,u,r)&&u.del(a[d],function(t){Je(t,u,r)&&w()})}):u.abort(function(t){r(h.EPERM(n))}))}):w()}else r(h.ENOENT(e))}}())})};m(f),f!==p&&m(p)},n.prototype.stat=function(t,e,n){var r=this.store.beginTransaction("readonly");this.findINode(r,t,function(t,e){Xe(t,n)&&n(null,e.toStats())})},n.prototype.createFile=function(t,e,n,r){var i=this,o=this.store.beginTransaction("readwrite"),s=X();this.commitNewFile(o,t,p.FILE,n,s,function(n,o){Xe(n,r)&&r(null,new en(i,t,e,o.toStats(),s))})},n.prototype.openFile=function(t,e,n){var r=this,i=this.store.beginTransaction("readonly");this.findINode(i,t,function(o,s){Xe(o,n)&&i.get(s.id,function(i,o){Xe(i,n)&&(void 0===o?n(h.ENOENT(t)):n(null,new en(r,t,e,s.toStats(),o)))})})},n.prototype.unlink=function(t,e){this.removeEntry(t,!1,e)},n.prototype.rmdir=function(t,e){var n=this;this.readdir(t,function(r,i){r?e(r):i.length>0?e(h.ENOTEMPTY(t)):n.removeEntry(t,!0,e)})},n.prototype.mkdir=function(e,n,r){var i=this.store.beginTransaction("readwrite"),o=t.from("{}");this.commitNewFile(i,e,p.DIRECTORY,n,o,r)},n.prototype.readdir=function(t,e){var n=this,r=this.store.beginTransaction("readonly");this.findINode(r,t,function(i,o){Xe(i,e)&&n.getDirListing(r,t,o,function(t,n){Xe(t,e)&&e(null,Object.keys(n))})})},n.prototype._sync=function(t,e,n,r){var i=this,o=this.store.beginTransaction("readwrite");this._findINode(o,a.dirname(t),a.basename(t),function(s,a){Je(s,o,r)&&i.getINode(o,t,a,function(t,i){if(Je(t,o,r)){var s=i.update(n);o.put(i.id,e,!0,function(t){Je(t,o,r)&&(s?o.put(a,i.toBuffer(),!0,function(t){Je(t,o,r)&&o.commit(r)}):o.commit(r))})}})})},n.prototype.makeRootDirectory=function(t){var e=this.store.beginTransaction("readwrite");e.get("/",function(n,r){if(n||void 0===r){var i=(new Date).getTime(),o=new He(Ye(),4096,511|p.DIRECTORY,i,i,i);e.put(o.id,Ze(),!1,function(n){Je(n,e,t)&&e.put("/",o.toBuffer(),!1,function(n){n?e.abort(function(){t(n)}):e.commit(t)})})}else e.commit(t)})},n.prototype._findINode=function(t,e,n,r){var i=this;if(this._cache){var o=this._cache.get(a.join(e,n));if(o)return r(null,o)}var s=function(t,o,s){if(t)r(t);else if(s[n]){var c=s[n];i._cache&&i._cache.set(a.join(e,n),c),r(null,c)}else 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sn=function(){try{return m.indexedDB||m.mozIndexedDB||m.webkitIndexedDB||m.msIndexedDB}catch(t){return null}}();function an(t,e){switch(void 0===e&&(e=t.toString()),t.name){case"NotFoundError":return new h(s.ENOENT,e);case"QuotaExceededError":return new h(s.ENOSPC,e);default:return new h(s.EIO,e)}}function cn(t,e,n){return void 0===e&&(e=s.EIO),void 0===n&&(n=null),function(r){r.preventDefault(),t(new h(e,null!==n?n:void 0))}}var un=function(t,e){this.tx=t,this.store=e};un.prototype.get=function(t,e){try{var n=this.store.get(t);n.onerror=cn(e),n.onsuccess=function(t){var n=t.target.result;e(null,void 0===n?n:V(n))}}catch(t){e(an(t))}};var fn=function(t){function e(e,n){t.call(this,e,n)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.put=function(t,e,n,r){try{var i,o=z(e);(i=n?this.store.put(o,t):this.store.add(o,t)).onerror=cn(r),i.onsuccess=function(t){r(null,!0)}}catch(t){r(an(t))}},e.prototype.del=function(t,e){try{var n=this.store.delete(t);n.onerror=cn(e),n.onsuccess=function(t){e()}}catch(t){e(an(t))}},e.prototype.commit=function(t){setTimeout(t,0)},e.prototype.abort=function(t){var e=null;try{this.tx.abort()}catch(t){e=an(t)}finally{t(e)}},e}(un),hn=function(t,e){this.db=t,this.storeName=e};hn.Create=function(t,e){var n=sn.open(t,1);n.onupgradeneeded=function(e){var n=e.target.result;n.objectStoreNames.contains(t)&&n.deleteObjectStore(t),n.createObjectStore(t)},n.onsuccess=function(n){e(null,new hn(n.target.result,t))},n.onerror=cn(e,s.EACCES)},hn.prototype.name=function(){return ln.Name+" - "+this.storeName},hn.prototype.clear=function(t){try{var e=this.db.transaction(this.storeName,"readwrite").objectStore(this.storeName).clear();e.onsuccess=function(e){setTimeout(t,0)},e.onerror=cn(t)}catch(e){t(an(e))}},hn.prototype.beginTransaction=function(t){void 0===t&&(t="readonly");var e=this.db.transaction(this.storeName,t),n=e.objectStore(this.storeName);if("readwrite"===t)return new 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A size of 0 or below disables caching."}};var pn,dn=!1;try{m.localStorage.setItem("__test__",String.fromCharCode(55296)),dn=m.localStorage.getItem("__test__")===String.fromCharCode(55296)}catch(t){dn=!1}pn=dn?"binary_string":"binary_string_ie",t.isEncoding(pn)||(pn="base64");var yn=function(){};yn.prototype.name=function(){return gn.Name},yn.prototype.clear=function(){m.localStorage.clear()},yn.prototype.beginTransaction=function(t){return new Qe(this)},yn.prototype.get=function(e){try{var n=m.localStorage.getItem(e);if(null!==n)return t.from(n,pn)}catch(t){}},yn.prototype.put=function(t,e,n){try{return!(!n&&null!==m.localStorage.getItem(t))&&(m.localStorage.setItem(t,e.toString(pn)),!0)}catch(t){throw new h(s.ENOSPC,"LocalStorage is full.")}},yn.prototype.del=function(t){try{m.localStorage.removeItem(t)}catch(e){throw new h(s.EIO,"Unable to delete key "+t+": "+e)}};var gn=function(t){function e(){t.call(this,{store:new yn})}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){n(null,new e)},e.isAvailable=function(){return void 0!==m.localStorage},e}(tn);gn.Name="LocalStorage",gn.Options={};var _n=function(t){function e(e){t.call(this),this.mountList=[],this.mntMap={},this.rootFs=e}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){on.Create({},function(r,i){if(i){var o=new e(i);try{Object.keys(t).forEach(function(e){o.mount(e,t[e])})}catch(r){return n(r)}n(null,o)}else n(r)})},e.isAvailable=function(){return!0},e.prototype.mount=function(t,e){if("/"!==t[0]&&(t="/"+t),t=a.resolve(t),this.mntMap[t])throw new h(s.EINVAL,"Mount point "+t+" is already taken.");B(t,511,this.rootFs),this.mntMap[t]=e,this.mountList.push(t),this.mountList=this.mountList.sort(function(t,e){return e.length-t.length})},e.prototype.umount=function(t){if("/"!==t[0]&&(t="/"+t),t=a.resolve(t),!this.mntMap[t])throw new h(s.EINVAL,"Mount point "+t+" is already unmounted.");for(delete this.mntMap[t],this.mountList.splice(this.mountList.indexOf(t),1);"/"!==t&&0===this.rootFs.readdirSync(t).length;)this.rootFs.rmdirSync(t),t=a.dirname(t)},e.prototype._getFs=function(t){for(var e=this.mountList,n=e.length,r=0;r<n;r++){var i=e[r];if(i.length<=t.length&&0===t.indexOf(i))return""===(t=t.substr(i.length>1?i.length:0))&&(t="/"),{fs:this.mntMap[i],path:t,mountPoint:i}}return{fs:this.rootFs,path:t,mountPoint:"/"}},e.prototype.getName=function(){return e.Name},e.prototype.diskSpace=function(t,e){e(0,0)},e.prototype.isReadOnly=function(){return!1},e.prototype.supportsLinks=function(){return!1},e.prototype.supportsProps=function(){return!1},e.prototype.supportsSynch=function(){return!0},e.prototype.standardizeError=function(t,e,n){var r=t.message.indexOf(e);return-1!==r&&(t.message=t.message.substr(0,r)+n+t.message.substr(r+e.length),t.path=n),t},e.prototype.rename=function(t,e,n){var r=this,i=this._getFs(t),o=this._getFs(e);return i.fs===o.fs?i.fs.rename(i.path,o.path,function(s){s&&r.standardizeError(r.standardizeError(s,i.path,t),o.path,e),n(s)}):A.readFile(t,function(r,i){if(r)return n(r);A.writeFile(e,i,function(e){if(e)return n(e);A.unlink(t,n)})})},e.prototype.renameSync=function(t,e){var n=this._getFs(t),r=this._getFs(e);if(n.fs===r.fs)try{return n.fs.renameSync(n.path,r.path)}catch(i){throw this.standardizeError(this.standardizeError(i,n.path,t),r.path,e),i}var i=A.readFileSync(t);return A.writeFileSync(e,i),A.unlinkSync(t)},e.prototype.readdirSync=function(t){var e=this._getFs(t),n=null;if(e.fs!==this.rootFs)try{n=this.rootFs.readdirSync(t)}catch(t){}try{var r=e.fs.readdirSync(e.path);return null===n?r:r.concat(n.filter(function(t){return-1===r.indexOf(t)}))}catch(r){if(null===n)throw this.standardizeError(r,e.path,t);return n}},e.prototype.readdir=function(t,e){var n=this,r=this._getFs(t);r.fs.readdir(r.path,function(i,o){if(r.fs!==n.rootFs)try{var s=n.rootFs.readdirSync(t);o=o?o.concat(s.filter(function(t){return-1===o.indexOf(t)})):s}catch(o){if(i)return e(n.standardizeError(i,r.path,t))}else if(i)return e(n.standardizeError(i,r.path,t));e(null,o)})},e.prototype.realpathSync=function(t,e){var n=this._getFs(t);try{var r=n.fs.realpathSync(n.path,{});return a.resolve(a.join(n.mountPoint,r))}catch(e){throw this.standardizeError(e,n.path,t)}},e.prototype.realpath=function(t,e,n){var r=this,i=this._getFs(t);i.fs.realpath(i.path,{},function(e,o){e?n(r.standardizeError(e,i.path,t)):n(null,a.resolve(a.join(i.mountPoint,o)))})},e.prototype.rmdirSync=function(t){var e=this._getFs(t);if(this._containsMountPt(t))throw h.ENOTEMPTY(t);try{e.fs.rmdirSync(e.path)}catch(n){throw this.standardizeError(n,e.path,t)}},e.prototype.rmdir=function(t,e){var n=this,r=this._getFs(t);this._containsMountPt(t)?e(h.ENOTEMPTY(t)):r.fs.rmdir(r.path,function(i){e(i?n.standardizeError(i,r.path,t):null)})},e.prototype._containsMountPt=function(t){for(var e=this.mountList,n=e.length,r=0;r<n;r++){var i=e[r];if(i.length>=t.length&&i.slice(0,t.length)===t)return!0}return!1},e}(et);function mn(t,e,n){return e?function(){for(var e=[],n=arguments.length;n--;)e[n]=arguments[n];var r=e[0],i=this._getFs(r);e[0]=i.path;try{return i.fs[t].apply(i.fs,e)}catch(t){throw this.standardizeError(t,i.path,r),t}}:function(){for(var e=this,n=[],r=arguments.length;r--;)n[r]=arguments[r];var i=n[0],o=this._getFs(i);if(n[0]=o.path,"function"==typeof n[n.length-1]){var s=n[n.length-1];n[n.length-1]=function(){for(var t=[],n=arguments.length;n--;)t[n]=arguments[n];t.length>0&&t[0]instanceof h&&e.standardizeError(t[0],o.path,i),s.apply(null,t)}}return o.fs[t].apply(o.fs,n)}}_n.Name="MountableFileSystem",_n.Options={};for(var wn=[["exists","unlink","readlink"],["stat","mkdir","truncate"],["open","readFile","chmod","utimes"],["chown"],["writeFile","appendFile"]],vn=0;vn<wn.length;vn++)for(var bn=0,Sn=wn[vn];bn<Sn.length;bn+=1){var En=Sn[bn];_n.prototype[En]=mn(En,!1),_n.prototype[En+"Sync"]=mn(En+"Sync",!0)}var kn=function(){this._locked=!1,this._waiters=[]};kn.prototype.lock=function(t){this._locked?this._waiters.push(t):(this._locked=!0,t())},kn.prototype.unlock=function(){if(!this._locked)throw new Error("unlock of a non-locked mutex");var t=this._waiters.shift();t?E(t):this._locked=!1},kn.prototype.tryLock=function(){return!this._locked&&(this._locked=!0,!0)},kn.prototype.isLocked=function(){return this._locked};var On=function(t){this._fs=t,this._mu=new kn};On.prototype.getName=function(){return"LockedFS<"+this._fs.getName()+">"},On.prototype.getFSUnlocked=function(){return this._fs},On.prototype.diskSpace=function(t,e){this._fs.diskSpace(t,e)},On.prototype.isReadOnly=function(){return this._fs.isReadOnly()},On.prototype.supportsLinks=function(){return this._fs.supportsLinks()},On.prototype.supportsProps=function(){return this._fs.supportsProps()},On.prototype.supportsSynch=function(){return this._fs.supportsSynch()},On.prototype.rename=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.rename(t,e,function(t){r._mu.unlock(),n(t)})})},On.prototype.renameSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.renameSync(t,e)},On.prototype.stat=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.stat(t,e,function(t,e){r._mu.unlock(),n(t,e)})})},On.prototype.statSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.statSync(t,e)},On.prototype.open=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.open(t,e,n,function(t,e){i._mu.unlock(),r(t,e)})})},On.prototype.openSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.openSync(t,e,n)},On.prototype.unlink=function(t,e){var n=this;this._mu.lock(function(){n._fs.unlink(t,function(t){n._mu.unlock(),e(t)})})},On.prototype.unlinkSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.unlinkSync(t)},On.prototype.rmdir=function(t,e){var n=this;this._mu.lock(function(){n._fs.rmdir(t,function(t){n._mu.unlock(),e(t)})})},On.prototype.rmdirSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.rmdirSync(t)},On.prototype.mkdir=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.mkdir(t,e,function(t){r._mu.unlock(),n(t)})})},On.prototype.mkdirSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.mkdirSync(t,e)},On.prototype.readdir=function(t,e){var n=this;this._mu.lock(function(){n._fs.readdir(t,function(t,r){n._mu.unlock(),e(t,r)})})},On.prototype.readdirSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readdirSync(t)},On.prototype.exists=function(t,e){var n=this;this._mu.lock(function(){n._fs.exists(t,function(t){n._mu.unlock(),e(t)})})},On.prototype.existsSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.existsSync(t)},On.prototype.realpath=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.realpath(t,e,function(t,e){r._mu.unlock(),n(t,e)})})},On.prototype.realpathSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.realpathSync(t,e)},On.prototype.truncate=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.truncate(t,e,function(t){r._mu.unlock(),n(t)})})},On.prototype.truncateSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.truncateSync(t,e)},On.prototype.readFile=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.readFile(t,e,n,function(t,e){i._mu.unlock(),r(t,e)})})},On.prototype.readFileSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readFileSync(t,e,n)},On.prototype.writeFile=function(t,e,n,r,i,o){var s=this;this._mu.lock(function(){s._fs.writeFile(t,e,n,r,i,function(t){s._mu.unlock(),o(t)})})},On.prototype.writeFileSync=function(t,e,n,r,i){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.writeFileSync(t,e,n,r,i)},On.prototype.appendFile=function(t,e,n,r,i,o){var s=this;this._mu.lock(function(){s._fs.appendFile(t,e,n,r,i,function(t){s._mu.unlock(),o(t)})})},On.prototype.appendFileSync=function(t,e,n,r,i){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.appendFileSync(t,e,n,r,i)},On.prototype.chmod=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.chmod(t,e,n,function(t){i._mu.unlock(),r(t)})})},On.prototype.chmodSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.chmodSync(t,e,n)},On.prototype.chown=function(t,e,n,r,i){var o=this;this._mu.lock(function(){o._fs.chown(t,e,n,r,function(t){o._mu.unlock(),i(t)})})},On.prototype.chownSync=function(t,e,n,r){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.chownSync(t,e,n,r)},On.prototype.utimes=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.utimes(t,e,n,function(t){i._mu.unlock(),r(t)})})},On.prototype.utimesSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.utimesSync(t,e,n)},On.prototype.link=function(t,e,n){var r=this;this._mu.lock(function(){r._fs.link(t,e,function(t){r._mu.unlock(),n(t)})})},On.prototype.linkSync=function(t,e){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.linkSync(t,e)},On.prototype.symlink=function(t,e,n,r){var i=this;this._mu.lock(function(){i._fs.symlink(t,e,n,function(t){i._mu.unlock(),r(t)})})},On.prototype.symlinkSync=function(t,e,n){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.symlinkSync(t,e,n)},On.prototype.readlink=function(t,e){var n=this;this._mu.lock(function(){n._fs.readlink(t,function(t,r){n._mu.unlock(),e(t,r)})})},On.prototype.readlinkSync=function(t){if(this._mu.isLocked())throw new Error("invalid sync call");return this._fs.readlinkSync(t)};var In="/.deletedFiles.log";function Fn(t){return 146|t}function Nn(t){return d.getFileFlag(t)}var Tn,Rn=function(t){function e(e,n,r,i,o){t.call(this,e,n,r,i,o)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.sync=function(t){var e=this;this.isDirty()?this._fs._syncAsync(this,function(n){e.resetDirty(),t(n)}):t(null)},e.prototype.syncSync=function(){this.isDirty()&&(this._fs._syncSync(this),this.resetDirty())},e.prototype.close=function(t){this.sync(t)},e.prototype.closeSync=function(){this.syncSync()},e}(it),Ln=function(t){function e(e,n){if(t.call(this),this._isInitialized=!1,this._initializeCallbacks=[],this._deletedFiles={},this._deleteLog="",this._deleteLogUpdatePending=!1,this._deleteLogUpdateNeeded=!1,this._deleteLogError=null,this._writable=e,this._readable=n,this._writable.isReadOnly())throw new h(s.EINVAL,"Writable file system must be writable.")}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.isAvailable=function(){return!0},e.prototype.getOverlayedFileSystems=function(){return{readable:this._readable,writable:this._writable}},e.prototype._syncAsync=function(t,e){var n=this;this.createParentDirectoriesAsync(t.getPath(),function(r){if(r)return e(r);n._writable.writeFile(t.getPath(),t.getBuffer(),null,Nn("w"),t.getStats().mode,e)})},e.prototype._syncSync=function(t){this.createParentDirectories(t.getPath()),this._writable.writeFileSync(t.getPath(),t.getBuffer(),null,Nn("w"),t.getStats().mode)},e.prototype.getName=function(){return xn.Name},e.prototype._initialize=function(t){var e=this,n=this._initializeCallbacks,r=function(t){e._isInitialized=!t,e._initializeCallbacks=[],n.forEach(function(e){return e(t)})};if(this._isInitialized)return t();n.push(t),1===n.length&&this._writable.readFile(In,"utf8",Nn("r"),function(t,n){if(t){if(t.errno!==s.ENOENT)return r(t)}else e._deleteLog=n;e._reparseDeletionLog(),r()})},e.prototype.isReadOnly=function(){return!1},e.prototype.supportsSynch=function(){return this._readable.supportsSynch()&&this._writable.supportsSynch()},e.prototype.supportsLinks=function(){return!1},e.prototype.supportsProps=function(){return this._readable.supportsProps()&&this._writable.supportsProps()},e.prototype.getDeletionLog=function(){return this._deleteLog},e.prototype.restoreDeletionLog=function(t){this._deleteLog=t,this._reparseDeletionLog(),this.updateLog("")},e.prototype.rename=function(t,e,n){var r=this;if(this.checkInitAsync(n)&&!this.checkPathAsync(t,n)&&!this.checkPathAsync(e,n))return t===In||e===In?n(h.EPERM("Cannot rename deletion log.")):t===e?n():void this.stat(t,!1,function(i,o){return i?n(i):r.stat(e,!1,function(i,c){var u=r;function f(r){var i=r.shift();if(!i)return n();var o=a.resolve(t,i),s=a.resolve(e,i);u.rename(o,s,function(t){if(t)return n(t);f(r)})}var l=511;if(o.isDirectory()){if(i)return i.errno!==s.ENOENT?n(i):r._writable.exists(t,function(i){if(i)return r._writable.rename(t,e,n);r._writable.mkdir(e,l,function(e){if(e)return n(e);r._readable.readdir(t,function(t,e){if(t)return n();f(e)})})});if(l=c.mode,!c.isDirectory())return n(h.ENOTDIR(e));r.readdir(e,function(i,o){if(o&&o.length)return n(h.ENOTEMPTY(e));r._readable.readdir(t,function(t,e){if(t)return n();f(e)})})}if(c&&c.isDirectory())return n(h.EISDIR(e));r.readFile(t,null,Nn("r"),function(i,s){return i?n(i):r.writeFile(e,s,null,Nn("w"),o.mode,function(e){return e?n(e):r.unlink(t,n)})})})})},e.prototype.renameSync=function(t,e){var n=this;if(this.checkInitialized(),this.checkPath(t),this.checkPath(e),t===In||e===In)throw h.EPERM("Cannot rename deletion log.");var r=this.statSync(t,!1);if(r.isDirectory()){if(t===e)return;var i=511;if(this.existsSync(e)){var o=this.statSync(e,!1);if(i=o.mode,!o.isDirectory())throw h.ENOTDIR(e);if(this.readdirSync(e).length>0)throw h.ENOTEMPTY(e)}this._writable.existsSync(t)?this._writable.renameSync(t,e):this._writable.existsSync(e)||this._writable.mkdirSync(e,i),this._readable.existsSync(t)&&this._readable.readdirSync(t).forEach(function(r){n.renameSync(a.resolve(t,r),a.resolve(e,r))})}else{if(this.existsSync(e)&&this.statSync(e,!1).isDirectory())throw h.EISDIR(e);this.writeFileSync(e,this.readFileSync(t,null,Nn("r")),null,Nn("w"),r.mode)}t!==e&&this.existsSync(t)&&this.unlinkSync(t)},e.prototype.stat=function(t,e,n){var r=this;this.checkInitAsync(n)&&this._writable.stat(t,e,function(i,o){i&&i.errno===s.ENOENT?(r._deletedFiles[t]&&n(h.ENOENT(t)),r._readable.stat(t,e,function(t,e){e&&((e=y.clone(e)).mode=Fn(e.mode)),n(t,e)})):n(i,o)})},e.prototype.statSync=function(t,e){this.checkInitialized();try{return this._writable.statSync(t,e)}catch(r){if(this._deletedFiles[t])throw h.ENOENT(t);var n=y.clone(this._readable.statSync(t,e));return n.mode=Fn(n.mode),n}},e.prototype.open=function(t,e,n,r){var i=this;this.checkInitAsync(r)&&!this.checkPathAsync(t,r)&&this.stat(t,!1,function(o,s){if(s)switch(e.pathExistsAction()){case f.TRUNCATE_FILE:return i.createParentDirectoriesAsync(t,function(o){if(o)return r(o);i._writable.open(t,e,n,r)});case f.NOP:return i._writable.exists(t,function(o){o?i._writable.open(t,e,n,r):((s=y.clone(s)).mode=n,i._readable.readFile(t,null,Nn("r"),function(n,o){if(n)return r(n);-1===s.size&&(s.size=o.length);var a=new Rn(i,t,e,s,o);r(null,a)}))});default:return r(h.EEXIST(t))}else switch(e.pathNotExistsAction()){case f.CREATE_FILE:return i.createParentDirectoriesAsync(t,function(o){return o?r(o):i._writable.open(t,e,n,r)});default:return r(h.ENOENT(t))}})},e.prototype.openSync=function(t,e,n){if(this.checkInitialized(),this.checkPath(t),t===In)throw h.EPERM("Cannot open deletion log.");if(this.existsSync(t))switch(e.pathExistsAction()){case f.TRUNCATE_FILE:return this.createParentDirectories(t),this._writable.openSync(t,e,n);case f.NOP:if(this._writable.existsSync(t))return this._writable.openSync(t,e,n);var r=this._readable.readFileSync(t,null,Nn("r")),i=y.clone(this._readable.statSync(t,!1));return i.mode=n,new Rn(this,t,e,i,r);default:throw h.EEXIST(t)}else switch(e.pathNotExistsAction()){case f.CREATE_FILE:return this.createParentDirectories(t),this._writable.openSync(t,e,n);default:throw h.ENOENT(t)}},e.prototype.unlink=function(t,e){var n=this;this.checkInitAsync(e)&&!this.checkPathAsync(t,e)&&this.exists(t,function(r){if(!r)return e(h.ENOENT(t));n._writable.exists(t,function(r){if(r)return n._writable.unlink(t,function(r){if(r)return e(r);n.exists(t,function(r){r&&n.deletePath(t),e(null)})});n.deletePath(t),e(null)})})},e.prototype.unlinkSync=function(t){if(this.checkInitialized(),this.checkPath(t),!this.existsSync(t))throw h.ENOENT(t);this._writable.existsSync(t)&&this._writable.unlinkSync(t),this.existsSync(t)&&this.deletePath(t)},e.prototype.rmdir=function(t,e){var n=this;if(this.checkInitAsync(e)){var r=function(){n.readdir(t,function(r,i){return r?e(r):i.length?e(h.ENOTEMPTY(t)):(n.deletePath(t),void e(null))})};this.exists(t,function(i){if(!i)return e(h.ENOENT(t));n._writable.exists(t,function(i){i?n._writable.rmdir(t,function(i){if(i)return e(i);n._readable.exists(t,function(t){t?r():e()})}):r()})})}},e.prototype.rmdirSync=function(t){if(this.checkInitialized(),!this.existsSync(t))throw h.ENOENT(t);if(this._writable.existsSync(t)&&this._writable.rmdirSync(t),this.existsSync(t)){if(this.readdirSync(t).length>0)throw h.ENOTEMPTY(t);this.deletePath(t)}},e.prototype.mkdir=function(t,e,n){var r=this;this.checkInitAsync(n)&&this.exists(t,function(i){if(i)return n(h.EEXIST(t));r.createParentDirectoriesAsync(t,function(i){if(i)return n(i);r._writable.mkdir(t,e,n)})})},e.prototype.mkdirSync=function(t,e){if(this.checkInitialized(),this.existsSync(t))throw h.EEXIST(t);this.createParentDirectories(t),this._writable.mkdirSync(t,e)},e.prototype.readdir=function(t,e){var n=this;this.checkInitAsync(e)&&this.stat(t,!1,function(r,i){return r?e(r):i.isDirectory()?void n._writable.readdir(t,function(r,i){if(r&&"ENOENT"!==r.code)return e(r);!r&&i||(i=[]),n._readable.readdir(t,function(r,o){!r&&o||(o=[]);var s={},a=i.concat(o.filter(function(e){return!n._deletedFiles[t+"/"+e]})).filter(function(t){var e=!s[t];return s[t]=!0,e});e(null,a)})}):e(h.ENOTDIR(t))})},e.prototype.readdirSync=function(t){var e=this;if(this.checkInitialized(),!this.statSync(t,!1).isDirectory())throw h.ENOTDIR(t);var n=[];try{n=n.concat(this._writable.readdirSync(t))}catch(t){}try{n=n.concat(this._readable.readdirSync(t).filter(function(n){return!e._deletedFiles[t+"/"+n]}))}catch(t){}var r={};return n.filter(function(t){var e=!r[t];return r[t]=!0,e})},e.prototype.exists=function(t,e){var n=this;this.checkInitialized(),this._writable.exists(t,function(r){if(r)return e(!0);n._readable.exists(t,function(r){e(r&&!0!==n._deletedFiles[t])})})},e.prototype.existsSync=function(t){return this.checkInitialized(),this._writable.existsSync(t)||this._readable.existsSync(t)&&!0!==this._deletedFiles[t]},e.prototype.chmod=function(t,e,n,r){var i=this;this.checkInitAsync(r)&&this.operateOnWritableAsync(t,function(o){if(o)return r(o);i._writable.chmod(t,e,n,r)})},e.prototype.chmodSync=function(t,e,n){var r=this;this.checkInitialized(),this.operateOnWritable(t,function(){r._writable.chmodSync(t,e,n)})},e.prototype.chown=function(t,e,n,r,i){var o=this;this.checkInitAsync(i)&&this.operateOnWritableAsync(t,function(s){if(s)return i(s);o._writable.chown(t,e,n,r,i)})},e.prototype.chownSync=function(t,e,n,r){var i=this;this.checkInitialized(),this.operateOnWritable(t,function(){i._writable.chownSync(t,e,n,r)})},e.prototype.utimes=function(t,e,n,r){var i=this;this.checkInitAsync(r)&&this.operateOnWritableAsync(t,function(o){if(o)return r(o);i._writable.utimes(t,e,n,r)})},e.prototype.utimesSync=function(t,e,n){var r=this;this.checkInitialized(),this.operateOnWritable(t,function(){r._writable.utimesSync(t,e,n)})},e.prototype.deletePath=function(t){this._deletedFiles[t]=!0,this.updateLog("d"+t+"\n")},e.prototype.updateLog=function(t){var e=this;this._deleteLog+=t,this._deleteLogUpdatePending?this._deleteLogUpdateNeeded=!0:(this._deleteLogUpdatePending=!0,this._writable.writeFile(In,this._deleteLog,"utf8",d.getFileFlag("w"),420,function(t){e._deleteLogUpdatePending=!1,t?e._deleteLogError=t:e._deleteLogUpdateNeeded&&(e._deleteLogUpdateNeeded=!1,e.updateLog(""))}))},e.prototype._reparseDeletionLog=function(){var t=this;this._deletedFiles={},this._deleteLog.split("\n").forEach(function(e){t._deletedFiles[e.slice(1)]="d"===e.slice(0,1)})},e.prototype.checkInitialized=function(){if(!this._isInitialized)throw new h(s.EPERM,"OverlayFS is not initialized. Please initialize OverlayFS using its initialize() method before using it.");if(null!==this._deleteLogError){var t=this._deleteLogError;throw this._deleteLogError=null,t}},e.prototype.checkInitAsync=function(t){if(!this._isInitialized)return t(new h(s.EPERM,"OverlayFS is not initialized. Please initialize OverlayFS using its initialize() method before using it.")),!1;if(null!==this._deleteLogError){var e=this._deleteLogError;return this._deleteLogError=null,t(e),!1}return!0},e.prototype.checkPath=function(t){if(t===In)throw h.EPERM(t)},e.prototype.checkPathAsync=function(t,e){return t===In&&(e(h.EPERM(t)),!0)},e.prototype.createParentDirectoriesAsync=function(t,e){var n=a.dirname(t),r=[],i=this;this._writable.stat(n,!1,function t(o,c){o?"/"===n?e(new h(s.EBUSY,"Invariant failed: root does not exist!")):(r.push(n),n=a.dirname(n),i._writable.stat(n,!1,t)):function t(){if(!r.length)return e();var n=r.pop();i._readable.stat(n,!1,function(r,o){if(!o)return e();i._writable.mkdir(n,o.mode,function(n){if(n)return e(n);t()})})}()})},e.prototype.createParentDirectories=function(t){for(var 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t.index?Gn(t.index,"json",function(r,i){r?n(r):n(null,new e(i,t.baseUrl))}):n(null,new e(t.index,t.baseUrl))},e.isAvailable=function(){return Jn||er},e.prototype.empty=function(){this._index.fileIterator(function(t){t.fileData=null})},e.prototype.getName=function(){return e.Name},e.prototype.diskSpace=function(t,e){e(0,0)},e.prototype.isReadOnly=function(){return!0},e.prototype.supportsLinks=function(){return!1},e.prototype.supportsProps=function(){return!1},e.prototype.supportsSynch=function(){return Jn},e.prototype.preloadFile=function(t,e){var n=this._index.getInode(t);if(!ar(n))throw h.EISDIR(t);if(null===n)throw h.ENOENT(t);var r=n.getData();r.size=e.length,r.fileData=e},e.prototype.stat=function(t,e,n){var r,i=this._index.getInode(t);if(null===i)return n(h.ENOENT(t));ar(i)?(r=i.getData()).size<0?this._requestFileSizeAsync(t,function(t,e){if(t)return n(t);r.size=e,n(null,y.clone(r))}):n(null,y.clone(r)):cr(i)?(r=i.getStats(),n(null,r)):n(h.FileError(s.EINVAL,t))},e.prototype.statSync=function(t,e){var n,r=this._index.getInode(t);if(null===r)throw h.ENOENT(t);if(ar(r))(n=r.getData()).size<0&&(n.size=this._requestFileSizeSync(t));else{if(!cr(r))throw h.FileError(s.EINVAL,t);n=r.getStats()}return n},e.prototype.open=function(t,e,n,r){if(e.isWriteable())return r(new h(s.EPERM,t));var i=this,o=this._index.getInode(t);if(null===o)return r(h.ENOENT(t));if(!ar(o))return r(h.EISDIR(t));var a=o.getData();switch(e.pathExistsAction()){case f.THROW_EXCEPTION:case f.TRUNCATE_FILE:return r(h.EEXIST(t));case f.NOP:if(a.fileData)return r(null,new ot(i,t,e,y.clone(a),a.fileData));this._requestFileAsync(t,"buffer",function(n,o){return n?r(n):(a.size=o.length,a.fileData=o,r(null,new ot(i,t,e,y.clone(a),o)))});break;default:return r(new h(s.EINVAL,"Invalid FileMode object."))}},e.prototype.openSync=function(t,e,n){if(e.isWriteable())throw new h(s.EPERM,t);var r=this._index.getInode(t);if(null===r)throw h.ENOENT(t);if(!ar(r))throw h.EISDIR(t);var i=r.getData();switch(e.pathExistsAction()){case f.THROW_EXCEPTION:case f.TRUNCATE_FILE:throw h.EEXIST(t);case f.NOP:if(i.fileData)return new ot(this,t,e,y.clone(i),i.fileData);var o=this._requestFileSync(t,"buffer");return i.size=o.length,i.fileData=o,new ot(this,t,e,y.clone(i),o);default:throw new h(s.EINVAL,"Invalid FileMode object.")}},e.prototype.readdir=function(t,e){try{e(null,this.readdirSync(t))}catch(t){e(t)}},e.prototype.readdirSync=function(t){var e=this._index.getInode(t);if(null===e)throw h.ENOENT(t);if(cr(e))return e.getListing();throw h.ENOTDIR(t)},e.prototype.readFile=function(t,e,n,r){var i=r;this.open(t,n,420,function(t,n){if(t)return r(t);r=function(t,e){n.close(function(n){return t||(t=n),i(t,e)})};var o=n.getBuffer();null===e?r(t,Z(o)):function(t,e,n){try{n(null,t.toString(e))}catch(t){n(t)}}(o,e,r)})},e.prototype.readFileSync=function(t,e,n){var r=this.openSync(t,n,420);try{var i=r.getBuffer();return null===e?Z(i):i.toString(e)}finally{r.closeSync()}},e.prototype._getHTTPPath=function(t){return"/"===t.charAt(0)&&(t=t.slice(1)),this.prefixUrl+t},e.prototype._requestFileAsync=function(t,e,n){this._requestFileAsyncInternal(this._getHTTPPath(t),e,n)},e.prototype._requestFileSync=function(t,e){return this._requestFileSyncInternal(this._getHTTPPath(t),e)},e.prototype._requestFileSizeAsync=function(t,e){this._requestFileSizeAsyncInternal(this._getHTTPPath(t),e)},e.prototype._requestFileSizeSync=function(t){return this._requestFileSizeSyncInternal(this._getHTTPPath(t))},e}(et);fr.Name="HTTPRequest",fr.Options={index:{type:["string","object"],optional:!0,description:"URL to a file index as a JSON file or the file index object itself, generated with the make_http_index script. Defaults to `index.json`."},baseUrl:{type:"string",optional:!0,description:"Used as the URL prefix for fetched files. Default: Fetch files relative to the index."},preferXHR:{type:"boolean",optional:!0,description:"Whether to prefer XmlHttpRequest or fetch for async operations if both are available. Default: false"}};var hr=function(){};hr.str2byte=function(t,e){for(var n=t.length>e.length?e.length:t.length,r=0;r<n;r++){var i=t.charCodeAt(r);if(i>127){var o=hr.extendedChars.indexOf(t.charAt(r));o>-1&&(i=o+128)}e[i]=r}return n},hr.byte2str=function(t){for(var e=new Array(t.length),n=0;n<t.length;n++){var r=t[n];e[n]=r>127?hr.extendedChars[r-128]:String.fromCharCode(r)}return e.join("")},hr.byteLength=function(t){return t.length},hr.extendedChars=["Ç","ü","é","â","ä","à","å","ç","ê","ë","è","ï","î","ì","Ä","Å","É","æ","Æ","ô","ö","ò","û","ù","ÿ","Ö","Ü","ø","£","Ø","×","ƒ","á","í","ó","ú","ñ","Ñ","ª","º","¿","®","¬","½","¼","¡","«","»","_","_","_","¦","¦","Á","Â","À","©","¦","¦","+","+","¢","¥","+","+","-","-","+","-","+","ã","Ã","+","+","-","-","¦","-","+","¤","ð","Ð","Ê","Ë","È","i","Í","Î","Ï","+","+","_","_","¦","Ì","_","Ó","ß","Ô","Ò","õ","Õ","µ","þ","Þ","Ú","Û","Ù","ý","Ý","¯","´","­","±","_","¾","¶","§","÷","¸","°","¨","·","¹","³","²","_"," "];var lr,pr,dr=n(36).inflateRaw,yr={};function gr(t,e){return new Date(1980+(e>>9),(e>>5&15)-1,31&e,t>>11,t>>5&63,31&t)}function _r(t,e,n,r){return 0===r?"":e?t.toString("utf8",n,n+r):hr.byte2str(t.slice(n,n+r))}!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"}(lr||(lr={})),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"}(pr||(pr={}));var mr=function(t){if(this.data=t,67324752!==t.readUInt32LE(0))throw new h(s.EINVAL,"Invalid Zip file: Local file header has invalid signature: "+this.data.readUInt32LE(0))};mr.prototype.versionNeeded=function(){return this.data.readUInt16LE(4)},mr.prototype.flags=function(){return this.data.readUInt16LE(6)},mr.prototype.compressionMethod=function(){return this.data.readUInt16LE(8)},mr.prototype.lastModFileTime=function(){return gr(this.data.readUInt16LE(10),this.data.readUInt16LE(12))},mr.prototype.rawLastModFileTime=function(){return this.data.readUInt32LE(10)},mr.prototype.crc32=function(){return this.data.readUInt32LE(14)},mr.prototype.fileNameLength=function(){return this.data.readUInt16LE(26)},mr.prototype.extraFieldLength=function(){return this.data.readUInt16LE(28)},mr.prototype.fileName=function(){return _r(this.data,this.useUTF8(),30,this.fileNameLength())},mr.prototype.extraField=function(){var t=30+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},mr.prototype.totalSize=function(){return 30+this.fileNameLength()+this.extraFieldLength()},mr.prototype.useUTF8=function(){return 2048==(2048&this.flags())};var wr=function(t,e,n){this.header=t,this.record=e,this.data=n};wr.prototype.decompress=function(){var t=this.header.compressionMethod(),e=yr[t];if(e)return e(this.data,this.record.compressedSize(),this.record.uncompressedSize(),this.record.flag());var n=pr[t];throw n||(n="Unknown: "+t),new h(s.EINVAL,"Invalid compression method on file '"+this.header.fileName()+"': "+n)},wr.prototype.getHeader=function(){return this.header},wr.prototype.getRecord=function(){return this.record},wr.prototype.getRawData=function(){return this.data};var vr=function(t,e){if(this.zipData=t,this.data=e,33639248!==this.data.readUInt32LE(0))throw new h(s.EINVAL,"Invalid Zip file: Central directory record has invalid signature: "+this.data.readUInt32LE(0));this._filename=this.produceFilename()};vr.prototype.versionMadeBy=function(){return this.data.readUInt16LE(4)},vr.prototype.versionNeeded=function(){return this.data.readUInt16LE(6)},vr.prototype.flag=function(){return this.data.readUInt16LE(8)},vr.prototype.compressionMethod=function(){return this.data.readUInt16LE(10)},vr.prototype.lastModFileTime=function(){return gr(this.data.readUInt16LE(12),this.data.readUInt16LE(14))},vr.prototype.rawLastModFileTime=function(){return this.data.readUInt32LE(12)},vr.prototype.crc32=function(){return this.data.readUInt32LE(16)},vr.prototype.compressedSize=function(){return this.data.readUInt32LE(20)},vr.prototype.uncompressedSize=function(){return this.data.readUInt32LE(24)},vr.prototype.fileNameLength=function(){return this.data.readUInt16LE(28)},vr.prototype.extraFieldLength=function(){return this.data.readUInt16LE(30)},vr.prototype.fileCommentLength=function(){return this.data.readUInt16LE(32)},vr.prototype.diskNumberStart=function(){return this.data.readUInt16LE(34)},vr.prototype.internalAttributes=function(){return this.data.readUInt16LE(36)},vr.prototype.externalAttributes=function(){return this.data.readUInt32LE(38)},vr.prototype.headerRelativeOffset=function(){return this.data.readUInt32LE(42)},vr.prototype.produceFilename=function(){return _r(this.data,this.useUTF8(),46,this.fileNameLength()).replace(/\\/g,"/")},vr.prototype.fileName=function(){return this._filename},vr.prototype.rawFileName=function(){return this.data.slice(46,46+this.fileNameLength())},vr.prototype.extraField=function(){var t=44+this.fileNameLength();return this.data.slice(t,t+this.extraFieldLength())},vr.prototype.fileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return _r(this.data,this.useUTF8(),t,this.fileCommentLength())},vr.prototype.rawFileComment=function(){var t=46+this.fileNameLength()+this.extraFieldLength();return this.data.slice(t,t+this.fileCommentLength())},vr.prototype.totalSize=function(){return 46+this.fileNameLength()+this.extraFieldLength()+this.fileCommentLength()},vr.prototype.isDirectory=function(){var t=this.fileName();return!!(16&this.externalAttributes())||"/"===t.charAt(t.length-1)},vr.prototype.isFile=function(){return!this.isDirectory()},vr.prototype.useUTF8=function(){return 2048==(2048&this.flag())},vr.prototype.isEncrypted=function(){return 1==(1&this.flag())},vr.prototype.getFileData=function(){var t=this.headerRelativeOffset(),e=new mr(this.zipData.slice(t));return new wr(e,this,this.zipData.slice(t+e.totalSize()))},vr.prototype.getData=function(){return this.getFileData().decompress()},vr.prototype.getRawData=function(){return this.getFileData().getRawData()},vr.prototype.getStats=function(){return new y(p.FILE,this.uncompressedSize(),365,Date.now(),this.lastModFileTime().getTime())};var br=function(t){if(this.data=t,101010256!==this.data.readUInt32LE(0))throw new h(s.EINVAL,"Invalid Zip file: End of central directory record has invalid signature: "+this.data.readUInt32LE(0))};br.prototype.diskNumber=function(){return this.data.readUInt16LE(4)},br.prototype.cdDiskNumber=function(){return this.data.readUInt16LE(6)},br.prototype.cdDiskEntryCount=function(){return this.data.readUInt16LE(8)},br.prototype.cdTotalEntryCount=function(){return this.data.readUInt16LE(10)},br.prototype.cdSize=function(){return this.data.readUInt32LE(12)},br.prototype.cdOffset=function(){return this.data.readUInt32LE(16)},br.prototype.cdZipCommentLength=function(){return this.data.readUInt16LE(20)},br.prototype.cdZipComment=function(){return _r(this.data,!0,22,this.cdZipCommentLength())},br.prototype.rawCdZipComment=function(){return this.data.slice(22,22+this.cdZipCommentLength())};var Sr=function(t){function e(e,n){void 0===n&&(n=""),t.call(this),this.name=n,this._index=new ir,this._directoryEntries=[],this._eocd=null,this._index=e.index,this._directoryEntries=e.directoryEntries,this._eocd=e.eocd,this.data=e.data}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.Create=function(t,n){try{e._computeIndex(t.zipData,function(r,i){if(i){var o=new e(i,t.name);n(null,o)}else n(r)})}catch(t){n(t)}},e.isAvailable=function(){return!0},e.RegisterDecompressionMethod=function(t,e){yr[t]=e},e._getEOCD=function(t){for(var e=Math.min(65557,t.length-1),n=22;n<e;n++)if(101010256===t.readUInt32LE(t.length-n))return new br(t.slice(t.length-n));throw new h(s.EINVAL,"Invalid ZIP file: Could not locate End of Central Directory signature.")},e._addToIndex=function(t,e){var n=t.fileName();if("/"===n.charAt(0))throw new h(s.EPERM,"Unexpectedly encountered an absolute path in a zip file. Please file a bug.");"/"===n.charAt(n.length-1)&&(n=n.substr(0,n.length-1)),t.isDirectory()?e.addPathFast("/"+n,new sr(t)):e.addPathFast("/"+n,new or(t))},e._computeIndex=function(t,n){try{var r=new ir,i=e._getEOCD(t);if(i.diskNumber()!==i.cdDiskNumber())return n(new h(s.EINVAL,"ZipFS does not support spanned zip files."));var o=i.cdOffset();if(4294967295===o)return n(new h(s.EINVAL,"ZipFS does not support Zip64."));var a=o+i.cdSize();e._computeIndexResponsive(t,r,o,a,n,[],i)}catch(t){n(t)}},e._computeIndexResponsiveTrampoline=function(t,n,r,i,o,s,a){try{e._computeIndexResponsive(t,n,r,i,o,s,a)}catch(t){o(t)}},e._computeIndexResponsive=function(t,n,r,i,o,s,a){if(r<i){for(var c=0;c++<200&&r<i;){var u=new vr(t,t.slice(r));e._addToIndex(u,n),r+=u.totalSize(),s.push(u)}E(function(){e._computeIndexResponsiveTrampoline(t,n,r,i,o,s,a)})}else o(null,new function(t,e,n,r){this.index=t,this.directoryEntries=e,this.eocd=n,this.data=r}(n,s,a,t))},e.prototype.getName=function(){return e.Name+(""!==this.name?" "+this.name:"")},e.prototype.getCentralDirectoryEntry=function(t){var e=this._index.getInode(t);if(null===e)throw h.ENOENT(t);if(ar(e))return e.getData();if(cr(e))return e.getData();throw h.EPERM("Invalid inode: "+e)},e.prototype.getCentralDirectoryEntryAt=function(t){var e=this._directoryEntries[t];if(!e)throw new RangeError("Invalid directory index: "+t+".");return e},e.prototype.getNumberOfCentralDirectoryEntries=function(){return this._directoryEntries.length},e.prototype.getEndOfCentralDirectory=function(){return this._eocd},e.prototype.diskSpace=function(t,e){e(this.data.length,0)},e.prototype.isReadOnly=function(){return!0},e.prototype.supportsLinks=function(){return!1},e.prototype.supportsProps=function(){return!1},e.prototype.supportsSynch=function(){return!0},e.prototype.statSync=function(t,e){var n,r=this._index.getInode(t);if(null===r)throw h.ENOENT(t);if(ar(r))n=r.getData().getStats();else{if(!cr(r))throw new h(s.EINVAL,"Invalid inode.");n=r.getStats()}return n},e.prototype.openSync=function(t,e,n){if(e.isWriteable())throw new h(s.EPERM,t);var r=this._index.getInode(t);if(!r)throw h.ENOENT(t);if(!ar(r))throw h.EISDIR(t);var i=r.getData(),o=i.getStats();switch(e.pathExistsAction()){case f.THROW_EXCEPTION:case f.TRUNCATE_FILE:throw h.EEXIST(t);case f.NOP:return new ot(this,t,e,o,i.getData());default:throw new h(s.EINVAL,"Invalid FileMode object.")}},e.prototype.readdirSync=function(t){var e=this._index.getInode(t);if(e){if(cr(e))return e.getListing();throw h.ENOTDIR(t)}throw h.ENOENT(t)},e.prototype.readFileSync=function(t,e,n){var r=this.openSync(t,n,420);try{var i=r.getBuffer();return null===e?Z(i):i.toString(e)}finally{r.closeSync()}},e}(nt);Sr.Name="ZipFS",Sr.Options={zipData:{type:"object",description:"The zip file as a Buffer object.",validator:J},name:{type:"string",optional:!0,description:"The name of the zip file (optional)."}},Sr.CompressionMethod=pr,Sr.RegisterDecompressionMethod(pr.DEFLATE,function(t,e,n){return W(dr(t.slice(0,e),{chunkSize:n}))}),Sr.RegisterDecompressionMethod(pr.STORED,function(t,e,n){return Z(t,0,n)});function Er(t,e,n){return t.toString("ascii",e,e+n).trim()}function kr(t,e,n){if(1===n)return String.fromCharCode(t[e]);for(var r=Math.floor(n/2),i=new Array(r),o=0;o<r;o++){var s=e+(o<<1);i[o]=String.fromCharCode(t[s+1]|t[s]<<8)}return i.join("")}function Or(t,e){var n=parseInt(Er(t,e,4),10),r=parseInt(Er(t,e+4,2),10),i=parseInt(Er(t,e+6,2),10),o=parseInt(Er(t,e+8,2),10),s=parseInt(Er(t,e+10,2),10),a=parseInt(Er(t,e+12,2),10),c=parseInt(Er(t,e+14,2),10);return new Date(n,r,i,o,s,a,100*c)}function Ir(t,e){var n=t[e],r=t[e+1],i=t[e+2],o=t[e+3],s=t[e+4],a=t[e+5];return new Date(n,r-1,i,o,s,a)}function Fr(t,e){var n=t.slice(e),r=new Cr(n);switch(r.signatureWord()){case 17221:return new Mr(n);case 20548:return new Ur(n);case 21328:return new jr(n);case 21332:return new Br(n);case 17746:return new zr(n);case 17747:return new qr(n);case 20568:return new Hr(n);case 20558:return new Vr(n);case 21324:return new Zr(n);case 20045:return new Xr(n);case 17228:return new Jr(n);case 20556:return new Kr(n);case 21061:return new Gr(n);case 21574:return new Qr(n);case 21318:return new $r(n);case 21074:return new Wr(n);default:return r}}function Nr(t,e,n,r){n-=4;for(var i=new Array;e<n;){var o=Fr(t,e),s=o.length();if(0===s)return i;if(e+=s,o instanceof Br)break;o instanceof Mr?i=i.concat(o.getEntries(r)):i.push(o)}return i}var Tr=function(t){this._data=t};Tr.prototype.type=function(){return this._data[0]},Tr.prototype.standardIdentifier=function(){return Er(this._data,1,5)},Tr.prototype.version=function(){return this._data[6]},Tr.prototype.data=function(){return this._data.slice(7,2048)};var Rr=function(t){function e(e){t.call(this,e),this._root=null}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.systemIdentifier=function(){return this._getString32(8)},e.prototype.volumeIdentifier=function(){return this._getString32(40)},e.prototype.volumeSpaceSize=function(){return this._data.readUInt32LE(80)},e.prototype.volumeSetSize=function(){return this._data.readUInt16LE(120)},e.prototype.volumeSequenceNumber=function(){return this._data.readUInt16LE(124)},e.prototype.logicalBlockSize=function(){return this._data.readUInt16LE(128)},e.prototype.pathTableSize=function(){return this._data.readUInt32LE(132)},e.prototype.locationOfTypeLPathTable=function(){return this._data.readUInt32LE(140)},e.prototype.locationOfOptionalTypeLPathTable=function(){return this._data.readUInt32LE(144)},e.prototype.locationOfTypeMPathTable=function(){return this._data.readUInt32BE(148)},e.prototype.locationOfOptionalTypeMPathTable=function(){return this._data.readUInt32BE(152)},e.prototype.rootDirectoryEntry=function(t){return null===this._root&&(this._root=this._constructRootDirectoryRecord(this._data.slice(156)),this._root.rootCheckForRockRidge(t)),this._root},e.prototype.volumeSetIdentifier=function(){return this._getString(190,128)},e.prototype.publisherIdentifier=function(){return this._getString(318,128)},e.prototype.dataPreparerIdentifier=function(){return this._getString(446,128)},e.prototype.applicationIdentifier=function(){return this._getString(574,128)},e.prototype.copyrightFileIdentifier=function(){return this._getString(702,38)},e.prototype.abstractFileIdentifier=function(){return this._getString(740,36)},e.prototype.bibliographicFileIdentifier=function(){return this._getString(776,37)},e.prototype.volumeCreationDate=function(){return Or(this._data,813)},e.prototype.volumeModificationDate=function(){return Or(this._data,830)},e.prototype.volumeExpirationDate=function(){return Or(this._data,847)},e.prototype.volumeEffectiveDate=function(){return Or(this._data,864)},e.prototype.fileStructureVersion=function(){return this._data[881]},e.prototype.applicationUsed=function(){return this._data.slice(883,1395)},e.prototype.reserved=function(){return this._data.slice(1395,2048)},e.prototype._getString32=function(t){return this._getString(t,32)},e}(Tr),Lr=function(t){function e(e){if(t.call(this,e),1!==this.type())throw new h(s.EIO,"Invalid primary volume descriptor.")}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.name=function(){return"ISO9660"},e.prototype._constructRootDirectoryRecord=function(t){return new Ar(t,-1)},e.prototype._getString=function(t,e){return this._getString(t,e)},e}(Rr),xr=function(t){function e(e){if(t.call(this,e),2!==this.type())throw new h(s.EIO,"Invalid supplementary volume descriptor.");var n=this.escapeSequence(),r=n[2];if(37!==n[0]||47!==n[1]||64!==r&&67!==r&&69!==r)throw new h(s.EIO,"Unrecognized escape sequence for SupplementaryVolumeDescriptor: "+n.toString())}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype.name=function(){return"Joliet"},e.prototype.escapeSequence=function(){return 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this._data[25]},Dr.prototype.fileUnitSize=function(){return this._data[26]},Dr.prototype.interleaveGapSize=function(){return this._data[27]},Dr.prototype.volumeSequenceNumber=function(){return this._data.readUInt16LE(28)},Dr.prototype.identifier=function(){return this._getString(33,this._data[32])},Dr.prototype.fileName=function(t){if(this.hasRockRidge()){var e=this._rockRidgeFilename(t);if(null!==e)return e}var n=this.identifier();if(this.isDirectory(t))return n;var r=n.indexOf(";");return-1===r?n:"."===n[r-1]?n.slice(0,r-1):n.slice(0,r)},Dr.prototype.isDirectory=function(t){var e=!!(2&this.fileFlags());return!e&&this.hasRockRidge()&&(e=this.getSUEntries(t).filter(function(t){return t instanceof Jr}).length>0),e},Dr.prototype.isSymlink=function(t){return this.hasRockRidge()&&this.getSUEntries(t).filter(function(t){return t instanceof Zr}).length>0},Dr.prototype.getSymlinkPath=function(t){for(var e="",n=this.getSUEntries(t),r=this._getGetString(),i=0,o=n;i<o.length;i+=1){var s=o[i];if(s instanceof Zr){for(var a=0,c=s.componentRecords();a<c.length;a+=1){var u=c[a],f=u.flags();2&f?e+="./":4&f?e+="../":8&f?e+="/":(e+=u.content(r),1&f||(e+="/"))}if(!s.continueFlag())break}}return e.length>1&&"/"===e[e.length-1]?e.slice(0,e.length-1):e},Dr.prototype.getFile=function(t){if(this.isDirectory(t))throw new Error("Tried to get a File from a directory.");return null===this._fileOrDir&&(this._fileOrDir=t.slice(this.lba(),this.lba()+this.dataLength())),this._fileOrDir},Dr.prototype.getDirectory=function(t){if(!this.isDirectory(t))throw new Error("Tried to get a Directory from a file.");return null===this._fileOrDir&&(this._fileOrDir=this._constructDirectory(t)),this._fileOrDir},Dr.prototype.getSUEntries=function(t){return this._suEntries||this._constructSUEntries(t),this._suEntries},Dr.prototype._rockRidgeFilename=function(t){var e=this.getSUEntries(t).filter(function(t){return t instanceof Xr});if(0===e.length||6&e[0].flags())return null;for(var n="",r=this._getGetString(),i=0,o=e;i<o.length;i+=1){var s=o[i];if(n+=s.name(r),!(1&s.flags()))break}return n},Dr.prototype._constructSUEntries=function(t){var e=33+this._data[32];e%2==1&&e++,e+=this._rockRidgeOffset,this._suEntries=Nr(this._data,e,this.length(),t)},Dr.prototype._getRockRidgeOffset=function(t){this._rockRidgeOffset=0;var e=this.getSUEntries(t);if(e.length>0){var n=e[0];if(n instanceof jr&&n.checkBytesPass())for(var r=1;r<e.length;r++){var i=e[r];if(i instanceof Wr||i instanceof zr&&"IEEE_P1282"===i.extensionIdentifier())return n.bytesSkipped()}}return this._rockRidgeOffset=-1,-1};var Ar=function(t){function e(e,n){t.call(this,e,n)}return t&&(e.__proto__=t),e.prototype=Object.create(t&&t.prototype),e.prototype.constructor=e,e.prototype._getString=function(t,e){return Er(this._data,t,e)},e.prototype._constructDirectory=function(t){return new ei(this,t)},e.prototype._getGetString=function(){return Er},e}(Dr),Pr=function(t){function e(e,n){t.call(this,e,n)}return 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e=this._getDirectoryRecord(t);if(e){if(e.isDirectory(this._data))return e.getDirectory(this._data).getFileList().slice(0);throw h.ENOTDIR(t)}throw h.ENOENT(t)},e.prototype.readFileSync=function(t,e,n){var r=this.openSync(t,n,420);try{var i=r.getBuffer();return null===e?Z(i):i.toString(e)}finally{r.closeSync()}},e.prototype._getDirectoryRecord=function(t){if("/"===t)return this._root;for(var e=t.split("/").slice(1),n=this._root,r=0,i=e;r<i.length;r+=1){var o=i[r];if(!n.isDirectory(this._data))return null;if(!(n=n.getDirectory(this._data).getRecord(o)))return null}return n},e.prototype._getStats=function(t,e){if(e.isSymlink(this._data)){var n=a.resolve(t,e.getSymlinkPath(this._data)),r=this._getDirectoryRecord(n);return r?this._getStats(n,r):null}var i=e.dataLength(),o=365,s=e.recordingDate().getTime(),c=s,u=s,f=s;if(e.hasRockRidge())for(var h=0,l=e.getSUEntries(this._data);h<l.length;h+=1){var d=l[h];if(d instanceof Hr)o=d.mode();else if(d instanceof Qr){var 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t;ot--,at+=tt[nt++]<<ct,ct+=8}n.head&&(n.head.time=at),512&n.flags&&(Ft[0]=255&at,Ft[1]=at>>>8&255,Ft[2]=at>>>16&255,Ft[3]=at>>>24&255,n.check=o(n.check,Ft,4,0)),at=0,ct=0,n.mode=O;case O:for(;ct<16;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}n.head&&(n.head.xflags=255&at,n.head.os=at>>8),512&n.flags&&(Ft[0]=255&at,Ft[1]=at>>>8&255,n.check=o(n.check,Ft,2,0)),at=0,ct=0,n.mode=I;case I:if(1024&n.flags){for(;ct<16;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}n.length=at,n.head&&(n.head.extra_len=at),512&n.flags&&(Ft[0]=255&at,Ft[1]=at>>>8&255,n.check=o(n.check,Ft,2,0)),at=0,ct=0}else n.head&&(n.head.extra=null);n.mode=F;case F:if(1024&n.flags&&((pt=n.length)>ot&&(pt=ot),pt&&(n.head&&(St=n.head.extra_len-n.length,n.head.extra||(n.head.extra=new Array(n.head.extra_len)),r.arraySet(n.head.extra,tt,nt,pt,St)),512&n.flags&&(n.check=o(n.check,tt,pt,nt)),ot-=pt,nt+=pt,n.length-=pt),n.length))break t;n.length=0,n.mode=N;case N:if(2048&n.flags){if(0===ot)break t;pt=0;do{St=tt[nt+pt++],n.head&&St&&n.length<65536&&(n.head.name+=String.fromCharCode(St))}while(St&&pt<ot);if(512&n.flags&&(n.check=o(n.check,tt,pt,nt)),ot-=pt,nt+=pt,St)break t}else n.head&&(n.head.name=null);n.length=0,n.mode=T;case T:if(4096&n.flags){if(0===ot)break t;pt=0;do{St=tt[nt+pt++],n.head&&St&&n.length<65536&&(n.head.comment+=String.fromCharCode(St))}while(St&&pt<ot);if(512&n.flags&&(n.check=o(n.check,tt,pt,nt)),ot-=pt,nt+=pt,St)break t}else n.head&&(n.head.comment=null);n.mode=R;case R:if(512&n.flags){for(;ct<16;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}if(at!==(65535&n.check)){t.msg="header crc mismatch",n.mode=G;break}at=0,ct=0}n.head&&(n.head.hcrc=n.flags>>9&1,n.head.done=!0),t.adler=n.check=0,n.mode=D;break;case L:for(;ct<32;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}t.adler=n.check=rt(at),at=0,ct=0,n.mode=x;case x:if(0===n.havedict)return t.next_out=it,t.avail_out=st,t.next_in=nt,t.avail_in=ot,n.hold=at,n.bits=ct,g;t.adler=n.check=1,n.mode=D;case D:if(e===l||e===p)break t;case A:if(n.last){at>>>=7&ct,ct-=7&ct,n.mode=X;break}for(;ct<3;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}switch(n.last=1&at,ct-=1,3&(at>>>=1)){case 0:n.mode=P;break;case 1:if(ht(n),n.mode=z,e===p){at>>>=2,ct-=2;break t}break;case 2:n.mode=U;break;case 3:t.msg="invalid block type",n.mode=G}at>>>=2,ct-=2;break;case P:for(at>>>=7&ct,ct-=7&ct;ct<32;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}if((65535&at)!=(at>>>16^65535)){t.msg="invalid stored block lengths",n.mode=G;break}if(n.length=65535&at,at=0,ct=0,n.mode=C,e===p)break t;case C:n.mode=M;case M:if(pt=n.length){if(pt>ot&&(pt=ot),pt>st&&(pt=st),0===pt)break t;r.arraySet(et,tt,nt,pt,it),ot-=pt,nt+=pt,st-=pt,it+=pt,n.length-=pt;break}n.mode=D;break;case U:for(;ct<14;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}if(n.nlen=257+(31&at),at>>>=5,ct-=5,n.ndist=1+(31&at),at>>>=5,ct-=5,n.ncode=4+(15&at),at>>>=4,ct-=4,n.nlen>286||n.ndist>30){t.msg="too many length or distance symbols",n.mode=G;break}n.have=0,n.mode=j;case j:for(;n.have<n.ncode;){for(;ct<3;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}n.lens[Nt[n.have++]]=7&at,at>>>=3,ct-=3}for(;n.have<19;)n.lens[Nt[n.have++]]=0;if(n.lencode=n.lendyn,n.lenbits=7,kt={bits:n.lenbits},Et=a(c,n.lens,0,19,n.lencode,0,n.work,kt),n.lenbits=kt.bits,Et){t.msg="invalid code lengths set",n.mode=G;break}n.have=0,n.mode=B;case B:for(;n.have<n.nlen+n.ndist;){for(;_t=(It=n.lencode[at&(1<<n.lenbits)-1])>>>16&255,mt=65535&It,!((gt=It>>>24)<=ct);){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}if(mt<16)at>>>=gt,ct-=gt,n.lens[n.have++]=mt;else{if(16===mt){for(Ot=gt+2;ct<Ot;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}if(at>>>=gt,ct-=gt,0===n.have){t.msg="invalid bit length repeat",n.mode=G;break}St=n.lens[n.have-1],pt=3+(3&at),at>>>=2,ct-=2}else if(17===mt){for(Ot=gt+3;ct<Ot;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}ct-=gt,St=0,pt=3+(7&(at>>>=gt)),at>>>=3,ct-=3}else{for(Ot=gt+7;ct<Ot;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}ct-=gt,St=0,pt=11+(127&(at>>>=gt)),at>>>=7,ct-=7}if(n.have+pt>n.nlen+n.ndist){t.msg="invalid bit length repeat",n.mode=G;break}for(;pt--;)n.lens[n.have++]=St}}if(n.mode===G)break;if(0===n.lens[256]){t.msg="invalid code -- missing end-of-block",n.mode=G;break}if(n.lenbits=9,kt={bits:n.lenbits},Et=a(u,n.lens,0,n.nlen,n.lencode,0,n.work,kt),n.lenbits=kt.bits,Et){t.msg="invalid literal/lengths set",n.mode=G;break}if(n.distbits=6,n.distcode=n.distdyn,kt={bits:n.distbits},Et=a(f,n.lens,n.nlen,n.ndist,n.distcode,0,n.work,kt),n.distbits=kt.bits,Et){t.msg="invalid distances set",n.mode=G;break}if(n.mode=z,e===p)break t;case z:n.mode=q;case q:if(ot>=6&&st>=258){t.next_out=it,t.avail_out=st,t.next_in=nt,t.avail_in=ot,n.hold=at,n.bits=ct,s(t,ft),it=t.next_out,et=t.output,st=t.avail_out,nt=t.next_in,tt=t.input,ot=t.avail_in,at=n.hold,ct=n.bits,n.mode===D&&(n.back=-1);break}for(n.back=0;_t=(It=n.lencode[at&(1<<n.lenbits)-1])>>>16&255,mt=65535&It,!((gt=It>>>24)<=ct);){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}if(_t&&0==(240&_t)){for(wt=gt,vt=_t,bt=mt;_t=(It=n.lencode[bt+((at&(1<<wt+vt)-1)>>wt)])>>>16&255,mt=65535&It,!(wt+(gt=It>>>24)<=ct);){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}at>>>=wt,ct-=wt,n.back+=wt}if(at>>>=gt,ct-=gt,n.back+=gt,n.length=mt,0===_t){n.mode=Y;break}if(32&_t){n.back=-1,n.mode=D;break}if(64&_t){t.msg="invalid literal/length code",n.mode=G;break}n.extra=15&_t,n.mode=W;case W:if(n.extra){for(Ot=n.extra;ct<Ot;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}n.length+=at&(1<<n.extra)-1,at>>>=n.extra,ct-=n.extra,n.back+=n.extra}n.was=n.length,n.mode=H;case H:for(;_t=(It=n.distcode[at&(1<<n.distbits)-1])>>>16&255,mt=65535&It,!((gt=It>>>24)<=ct);){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}if(0==(240&_t)){for(wt=gt,vt=_t,bt=mt;_t=(It=n.distcode[bt+((at&(1<<wt+vt)-1)>>wt)])>>>16&255,mt=65535&It,!(wt+(gt=It>>>24)<=ct);){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}at>>>=wt,ct-=wt,n.back+=wt}if(at>>>=gt,ct-=gt,n.back+=gt,64&_t){t.msg="invalid distance code",n.mode=G;break}n.offset=mt,n.extra=15&_t,n.mode=V;case V:if(n.extra){for(Ot=n.extra;ct<Ot;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}n.offset+=at&(1<<n.extra)-1,at>>>=n.extra,ct-=n.extra,n.back+=n.extra}if(n.offset>n.dmax){t.msg="invalid distance too far back",n.mode=G;break}n.mode=Z;case Z:if(0===st)break t;if(pt=ft-st,n.offset>pt){if((pt=n.offset-pt)>n.whave&&n.sane){t.msg="invalid distance too far back",n.mode=G;break}pt>n.wnext?(pt-=n.wnext,dt=n.wsize-pt):dt=n.wnext-pt,pt>n.length&&(pt=n.length),yt=n.window}else yt=et,dt=it-n.offset,pt=n.length;pt>st&&(pt=st),st-=pt,n.length-=pt;do{et[it++]=yt[dt++]}while(--pt);0===n.length&&(n.mode=q);break;case Y:if(0===st)break t;et[it++]=n.length,st--,n.mode=q;break;case X:if(n.wrap){for(;ct<32;){if(0===ot)break t;ot--,at|=tt[nt++]<<ct,ct+=8}if(ft-=st,t.total_out+=ft,n.total+=ft,ft&&(t.adler=n.check=n.flags?o(n.check,et,ft,it-ft):i(n.check,et,ft,it-ft)),ft=st,(n.flags?at:rt(at))!==n.check){t.msg="incorrect data check",n.mode=G;break}at=0,ct=0}n.mode=J;case J:if(n.wrap&&n.flags){for(;ct<32;){if(0===ot)break t;ot--,at+=tt[nt++]<<ct,ct+=8}if(at!==(4294967295&n.total)){t.msg="incorrect length check",n.mode=G;break}at=0,ct=0}n.mode=K;case K:Et=y;break t;case G:Et=m;break t;case Q:return w;case $:default:return _}return t.next_out=it,t.avail_out=st,t.next_in=nt,t.avail_in=ot,n.hold=at,n.bits=ct,(n.wsize||ft!==t.avail_out&&n.mode<G&&(n.mode<X||e!==h))&&lt(t,t.output,t.next_out,ft-t.avail_out)?(n.mode=Q,w):(ut-=t.avail_in,ft-=t.avail_out,t.total_in+=ut,t.total_out+=ft,n.total+=ft,n.wrap&&ft&&(t.adler=n.check=n.flags?o(n.check,et,ft,t.next_out-ft):i(n.check,et,ft,t.next_out-ft)),t.data_type=n.bits+(n.last?64:0)+(n.mode===D?128:0)+(n.mode===z||n.mode===C?256:0),(0===ut&&0===ft||e===h)&&Et===d&&(Et=v),Et)},e.inflateEnd=function(t){if(!t||!t.state)return _;var e=t.state;return e.window&&(e.window=null),t.state=null,d},e.inflateGetHeader=function(t,e){var n;return t&&t.state?0==(2&(n=t.state).wrap)?_:(n.head=e,e.done=!1,d):_},e.inflateSetDictionary=function(t,e){var n,r=e.length;return t&&t.state?0!==(n=t.state).wrap&&n.mode!==x?_:n.mode===x&&i(1,e,r,0)!==n.check?m:lt(t,e,r,r)?(n.mode=Q,w):(n.havedict=1,d):_},e.inflateInfo="pako inflate (from Nodeca project)"},function(t,e,n){"use strict";t.exports=function(t,e,n,r){for(var i=65535&t|0,o=t>>>16&65535|0,s=0;0!==n;){n-=s=n>2e3?2e3:n;do{o=o+(i=i+e[r++]|0)|0}while(--s);i%=65521,o%=65521}return i|o<<16|0}},function(t,e,n){"use strict";var r=function(){for(var t,e=[],n=0;n<256;n++){t=n;for(var r=0;r<8;r++)t=1&t?3988292384^t>>>1:t>>>1;e[n]=t}return e}();t.exports=function(t,e,n,i){var o=r,s=i+n;t^=-1;for(var a=i;a<s;a++)t=t>>>8^o[255&(t^e[a])];return-1^t}},function(t,e,n){"use strict";t.exports=function(t,e){var n,r,i,o,s,a,c,u,f,h,l,p,d,y,g,_,m,w,v,b,S,E,k,O,I;n=t.state,r=t.next_in,O=t.input,i=r+(t.avail_in-5),o=t.next_out,I=t.output,s=o-(e-t.avail_out),a=o+(t.avail_out-257),c=n.dmax,u=n.wsize,f=n.whave,h=n.wnext,l=n.window,p=n.hold,d=n.bits,y=n.lencode,g=n.distcode,_=(1<<n.lenbits)-1,m=(1<<n.distbits)-1;t:do{d<15&&(p+=O[r++]<<d,d+=8,p+=O[r++]<<d,d+=8),w=y[p&_];e:for(;;){if(p>>>=v=w>>>24,d-=v,0===(v=w>>>16&255))I[o++]=65535&w;else{if(!(16&v)){if(0==(64&v)){w=y[(65535&w)+(p&(1<<v)-1)];continue e}if(32&v){n.mode=12;break t}t.msg="invalid literal/length code",n.mode=30;break t}b=65535&w,(v&=15)&&(d<v&&(p+=O[r++]<<d,d+=8),b+=p&(1<<v)-1,p>>>=v,d-=v),d<15&&(p+=O[r++]<<d,d+=8,p+=O[r++]<<d,d+=8),w=g[p&m];n:for(;;){if(p>>>=v=w>>>24,d-=v,!(16&(v=w>>>16&255))){if(0==(64&v)){w=g[(65535&w)+(p&(1<<v)-1)];continue n}t.msg="invalid distance code",n.mode=30;break t}if(S=65535&w,d<(v&=15)&&(p+=O[r++]<<d,(d+=8)<v&&(p+=O[r++]<<d,d+=8)),(S+=p&(1<<v)-1)>c){t.msg="invalid distance too far back",n.mode=30;break t}if(p>>>=v,d-=v,S>(v=o-s)){if((v=S-v)>f&&n.sane){t.msg="invalid distance too far back",n.mode=30;break t}if(E=0,k=l,0===h){if(E+=u-v,v<b){b-=v;do{I[o++]=l[E++]}while(--v);E=o-S,k=I}}else if(h<v){if(E+=u+h-v,(v-=h)<b){b-=v;do{I[o++]=l[E++]}while(--v);if(E=0,h<b){b-=v=h;do{I[o++]=l[E++]}while(--v);E=o-S,k=I}}}else if(E+=h-v,v<b){b-=v;do{I[o++]=l[E++]}while(--v);E=o-S,k=I}for(;b>2;)I[o++]=k[E++],I[o++]=k[E++],I[o++]=k[E++],b-=3;b&&(I[o++]=k[E++],b>1&&(I[o++]=k[E++]))}else{E=o-S;do{I[o++]=I[E++],I[o++]=I[E++],I[o++]=I[E++],b-=3}while(b>2);b&&(I[o++]=I[E++],b>1&&(I[o++]=I[E++]))}break}}break}}while(r<i&&o<a);r-=b=d>>3,p&=(1<<(d-=b<<3))-1,t.next_in=r,t.next_out=o,t.avail_in=r<i?i-r+5:5-(r-i),t.avail_out=o<a?a-o+257:257-(o-a),n.hold=p,n.bits=d}},function(t,e,n){"use strict";var r=n(8),i=[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],o=[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],s=[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],a=[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];t.exports=function(t,e,n,c,u,f,h,l){var p,d,y,g,_,m,w,v,b,S=l.bits,E=0,k=0,O=0,I=0,F=0,N=0,T=0,R=0,L=0,x=0,D=null,A=0,P=new r.Buf16(16),C=new r.Buf16(16),M=null,U=0;for(E=0;E<=15;E++)P[E]=0;for(k=0;k<c;k++)P[e[n+k]]++;for(F=S,I=15;I>=1&&0===P[I];I--);if(F>I&&(F=I),0===I)return u[f++]=20971520,u[f++]=20971520,l.bits=1,0;for(O=1;O<I&&0===P[O];O++);for(F<O&&(F=O),R=1,E=1;E<=15;E++)if(R<<=1,(R-=P[E])<0)return-1;if(R>0&&(0===t||1!==I))return-1;for(C[1]=0,E=1;E<15;E++)C[E+1]=C[E]+P[E];for(k=0;k<c;k++)0!==e[n+k]&&(h[C[e[n+k]]++]=k);if(0===t?(D=M=h,m=19):1===t?(D=i,A-=257,M=o,U-=257,m=256):(D=s,M=a,m=-1),x=0,k=0,E=O,_=f,N=F,T=0,y=-1,g=(L=1<<F)-1,1===t&&L>852||2===t&&L>592)return 1;for(;;){w=E-T,h[k]<m?(v=0,b=h[k]):h[k]>m?(v=M[U+h[k]],b=D[A+h[k]]):(v=96,b=0),p=1<<E-T,O=d=1<<N;do{u[_+(x>>T)+(d-=p)]=w<<24|v<<16|b|0}while(0!==d);for(p=1<<E-1;x&p;)p>>=1;if(0!==p?(x&=p-1,x+=p):x=0,k++,0==--P[E]){if(E===I)break;E=e[n+h[k]]}if(E>F&&(x&g)!==y){for(0===T&&(T=F),_+=O,R=1<<(N=E-T);N+T<I&&!((R-=P[N+T])<=0);)N++,R<<=1;if(L+=1<<N,1===t&&L>852||2===t&&L>592)return 1;u[y=x&g]=F<<24|N<<16|_-f|0}}return 0!==x&&(u[_+x]=E-T<<24|64<<16|0),l.bits=F,0}},function(t,e,n){"use strict";var r=n(8),i=!0,o=!0;try{String.fromCharCode.apply(null,[0])}catch(t){i=!1}try{String.fromCharCode.apply(null,new Uint8Array(1))}catch(t){o=!1}for(var s=new r.Buf8(256),a=0;a<256;a++)s[a]=a>=252?6:a>=248?5:a>=240?4:a>=224?3:a>=192?2:1;function c(t,e){if(e<65537&&(t.subarray&&o||!t.subarray&&i))return String.fromCharCode.apply(null,r.shrinkBuf(t,e));for(var n="",s=0;s<e;s++)n+=String.fromCharCode(t[s]);return n}s[254]=s[254]=1,e.string2buf=function(t){var 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if((o=s[i])>4)u[r++]=65533,n+=o-1;else{for(i&=2===o?31:3===o?15:7;o>1&&n<a;)i=i<<6|63&t[n++],o--;o>1?u[r++]=65533:i<65536?u[r++]=i:(i-=65536,u[r++]=55296|i>>10&1023,u[r++]=56320|1023&i)}return c(u,r)},e.utf8border=function(t,e){var n;for((e=e||t.length)>t.length&&(e=t.length),n=e-1;n>=0&&128==(192&t[n]);)n--;return n<0?e:0===n?e:n+s[t[n]]>e?n:e}},function(t,e,n){"use strict";t.exports={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8}},function(t,e,n){"use strict";t.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"}},function(t,e,n){"use strict";t.exports=function(){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}},function(t,e,n){"use strict";t.exports=function(){this.text=0,this.time=0,this.xflags=0,this.os=0,this.extra=null,this.extra_len=0,this.name="",this.comment="",this.hcrc=0,this.done=!1}}])});
+//# sourceMappingURL=browserfs.js.map
\ No newline at end of file
diff --git a/media/assets/webui/apps/vfs/vfs.css b/media/assets/webui/apps/vfs/vfs.css
new file mode 100644
index 0000000000000000000000000000000000000000..ef6a48c32419dd92a5b2084c7409907357666b71
--- /dev/null
+++ b/media/assets/webui/apps/vfs/vfs.css
@@ -0,0 +1,52 @@
+janus-ui-vfs-browser ui-flexpanel>ui-treeview {
+  flex: 0;
+  border-right: 1px solid #333;
+  margin-right: 1em;
+  padding-right: 1em;
+}
+janus-ui-vfs-browser-directorylist {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, 90px);
+  width: 40em;
+  height: 15em;
+  overflow: auto;
+  outline: 0;
+}
+janus-ui-vfs-browser-directorylist.dragactive {
+  border: 2px solid lime;
+  border-radius: 10px;
+  background: rgba(0,255,0,.2);
+  margin: -2px;
+}
+janus-ui-vfs-browser-file.dragactive {
+  border: 2px solid lime;
+  background: rgba(0,255,0,.2);
+}
+janus-ui-vfs-browser-file {
+  width: 80px;
+  height: 80px;
+  border: 1px solid black;
+  border-radius: 10px;
+  margin: 5px;
+  display: flex;
+  text-align: center;
+  align-items: flex-end;
+  justify-content: center;
+  cursor: pointer;
+  background: rgba(0,0,0,.2);
+}
+janus-ui-vfs-browser-file[selected] {
+  background: rgba(255,255,255,.2);
+}
+janus-ui-vfs-browser-file:hover {
+  background: rgba(0,255,0,.2);
+}
+janus-ui-vfs-browser-file[selected]:hover {
+  background: rgba(255,255,255,.4);
+}
+janus-ui-vfs-browser-file ui-label {
+  width: 100%;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  pointer-events: none;
+}
diff --git a/media/assets/webui/apps/vfs/vfs.js b/media/assets/webui/apps/vfs/vfs.js
new file mode 100644
index 0000000000000000000000000000000000000000..0f6f618844b8dea84575452cbaabcf6cd3f1425d
--- /dev/null
+++ b/media/assets/webui/apps/vfs/vfs.js
@@ -0,0 +1,452 @@
+elation.extend('engine.assetloader.agent.janus-vfs', new function() {
+  this.initBrowserFS = function() {
+    return new Promise((accept, reject) => {
+      BrowserFS.configure({
+        fs: "MountableFileSystem",
+        options: {
+          //'/': { fs: "LocalStorage" },
+          //'/blurp': { fs: "IndexedDB", options: { storeName: 'janusVFS' } },
+          '/': { fs: "IndexedDB", options: { storeName: 'janusVFS' } },
+          //'/mnt/usb0': { fs: "LocalStorage" }
+        }
+      }, (e) => {
+        if (e) {
+        } else {
+          var fs = BrowserFS.BFSRequire('fs');
+          this.fs = fs;
+          accept(this.fs);
+        }
+      });
+    });
+  }
+
+  this.getFS = async function() {
+    if (!this.fs) {
+      await this.initBrowserFS();
+    }
+    return this.fs;
+  }
+
+  this.fetch = async function(url) {
+    let fs = await this.getFS();
+
+    let pathparts = url.split('://');
+    return new Promise((resolve, reject) => {
+      let filepath = pathparts[1];
+      fs.readFile(filepath, ( e, file) => {
+        if (file) {
+          resolve({
+            target: {
+              responseURL: url,
+              data: file.buffer,
+              response: file.buffer,
+              getResponseHeader(header) {
+                if (header.toLowerCase() == 'content-type') {
+                  // FIXME -  We should implement mime type detection at a lower level, and avoid the need to access the XHR object in calling code
+                  return 'application/octet-stream';
+                }
+              }
+            },
+          });
+        } else {
+          reject();
+        }
+      });
+    });
+  }
+});
+
+elation.elements.define('janus.ui.vfs.browser', class extends elation.elements.base {
+  init() {
+    super.init();
+    this.defineAttributes({
+      cwd: { type: 'string', default: '/' },
+      chroot: { type: 'string', default: '' },
+    });
+  }
+  create() {
+    super.create();
+
+/*
+    this.win = elation.elements.create('ui-window', {
+      append: document.body,
+      center: true,
+      windowtitle: '/',
+    });
+*/
+    this.content = elation.elements.create('ui-rowlayout', {
+      append: this,
+    });
+    this.controls = elation.elements.create('ui-content', {
+      append: this.content,
+    });
+    this.updirbutton = elation.elements.create('ui-button', {
+      append: this.controls,
+      label: '⬅',
+      onclick: ev => this.handleUpDirectoryClick(ev),
+    });
+    this.deletebutton = elation.elements.create('ui-button', {
+      append: this.controls,
+      label: '🗑️',
+      onclick: ev => this.handleDeleteClick(ev),
+    });
+    this.addbuttonlist = elation.elements.create('ui-list', {
+      selectable: true,
+      items: ['Upload', 'Directory', 'HTML', 'JS'],
+      onselectionchange: ev => this.handleAddButtonSelect(ev),
+    });
+    this.addbutton = elation.elements.create('ui-popupbutton', {
+      append: this.controls,
+      label: '➕',
+      popupcontent: this.addbuttonlist,
+    });
+    this.mainpanel = elation.elements.create('ui-flexpanel', {
+      append: this.content,
+    });
+
+    this.dirtree = elation.elements.create('ui-treeview', {
+      append: this.mainpanel,
+      attrs: {
+        name: 'path',
+        label: 'name',
+      },
+    });
+    elation.events.add(this.dirtree, 'ui_treeview_select', ev => this.handleDirectoryTreeSelect(ev));
+
+    this.dirlist = elation.elements.create('janus-ui-vfs-browser-directorylist', {
+      append: this.mainpanel,
+      itemcomponent: 'janus-ui-vfs-browser-file',
+      selectable: true,
+      multiselect: true,
+      draggable: true,
+    });
+    elation.events.add(this.dirlist, 'directorychange', ev => this.handleDirectoryChange(ev));
+    elation.events.add(this.dirlist, 'selectionchange', ev => this.handleFilesSelectionChange(ev));
+
+    elation.events.add(this.dirlist, 'dragstart', ev => this.handleDragStart(ev));
+    elation.events.add(this.dirlist, 'dragover', ev => this.handleDragOver(ev));
+    elation.events.add(this.dirlist, 'dragenter', ev => this.handleDragEnter(ev));
+    elation.events.add(this.dirlist, 'dragleave', ev => this.handleDragLeave(ev));
+    elation.events.add(this.dirlist, 'drop', ev => this.handleDrop(ev));
+
+    elation.events.add(this.dirlist, 'keypress', ev => this.handleFilesKeypress(ev));
+
+    //this.win.setcontent(this);
+    this.updateDirectories();
+    this.updateFiles();
+  }
+  async updateFiles() {
+    let fs = await elation.engine.assetloader.agent['janus-vfs'].getFS();
+
+    fs.readdir(this.chroot + this.cwd, (e, contents) => {
+      let entries = {};
+      let promises = [];
+      for (let i = 0; i < contents.length; i++) {
+        promises.push(new Promise(accept => {
+          fs.stat(this.chroot + this.cwd + contents[i], (e, stats) => {
+            entries[contents[i]] = {
+              name: contents[i],
+              path: this.cwd,
+              stats: stats,
+            };
+            accept(stats);
+          });
+        }));
+      }
+      Promise.all(promises).then(() => {
+        this.dirlist.clear();
+        this.dirlist.setItems(entries);
+      });
+    });
+    this.updirbutton.disabled = (this.cwd == '/');
+    this.deletebutton.disabled = (this.dirlist.selection.length == 0);
+    //this.win.settitle(this.cwd);
+  }
+  async updateDirectories() {
+    let dirtree = {
+      '/': {
+        name: '/',
+        path: '/',
+        items: await this.getDirectoryTree(),
+      }
+    };
+    this.dirtree.setItems(dirtree);
+    let selected = this.dirtree.find(this.cwd);
+    if (selected) {
+      selected.select();
+    }
+
+console.log('my full dirtree', dirtree, this.dirtree, selected);
+  }
+  async getDirectoryTree(dir='/', entries) {
+    if (!entries) entries = {};
+    let fs = await elation.engine.assetloader.agent['janus-vfs'].getFS();
+    return new Promise(async (resolve, reject) => {
+      fs.readdir(this.chroot + dir, async (e, contents) => {
+        let promises = [];
+        for (let i = 0; i < contents.length; i++) {
+          promises.push(new Promise(accept => {
+            let stats = fs.stat(this.chroot + dir + contents[i], async (e, stats) => {
+              if (stats.isDirectory()) {
+                entries[contents[i]] = {
+                  name: contents[i],
+                  path: dir + contents[i] + '/',
+                  stats: stats,
+                };
+                let children = await this.getDirectoryTree(dir + contents[i] + '/');
+                entries[contents[i]].items = (Object.keys(children).length > 0 ? children : false);
+              }
+              accept();
+            });
+          }));
+        }
+        await Promise.all(promises);
+        resolve(entries);
+      });
+    });
+  }
+  chdir(dir) {
+    this.cwd = dir + (dir.lastIndexOf('/') != dir.length - 1 ? '/' : '');
+    this.dirlist.selectall(false);
+
+    let selected = this.dirtree.find(this.cwd);
+    if (selected && selected !== this.dirtree.selected) {
+      selected.select();
+    } else {
+      this.updateFiles();
+    }
+  }
+  updir() {
+    let pathparts = this.cwd.split('/');
+    pathparts.pop();
+    pathparts.pop();
+    let newpath = (pathparts.length > 0 ? pathparts.join('/') + '/' : '/');
+    //newpath = newpath.replaceAll('//', '/');
+    this.chdir(newpath);
+  }
+  async mkdir(dir) {
+    let fs = await elation.engine.assetloader.agent['janus-vfs'].getFS();
+    let fulldir = this.chroot + (dir[0] == '/' ? dir : this.cwd + dir);
+    await fs.mkdir(fulldir);
+    this.updateDirectories();
+    this.updateFiles();
+  }
+  async rm(files) {
+    let fs = await elation.engine.assetloader.agent['janus-vfs'].getFS();
+    if (!elation.utils.isArray(files)) files = [files];
+console.log('delete files', files);
+    let promises = [];
+    files.forEach(file => {
+      promises.push(new Promise((resolve, reject) => {
+        fs.unlink(this.chroot + this.cwd + file, e => {
+          if (!e) {
+            resolve();
+          } else {
+            reject();
+          }
+        });
+      }));
+    });
+    await Promise.all(promises);
+    this.updateFiles();
+  }
+  async rmdir(dirs) {
+    let fs = await elation.engine.assetloader.agent['janus-vfs'].getFS();
+    if (!elation.utils.isArray(dirs)) dirs = [dirs];
+console.log('delete dirs', dirs);
+    let promises = [];
+    dirs.forEach(dir => {
+      promises.push(new Promise((resolve, reject) => {
+        fs.rmdir(this.chroot + this.cwd + dir, e => {
+          if (!e) {
+            resolve();
+          } else {
+            reject();
+          }
+        });
+      }));
+    });
+    await Promise.all(promises);
+    this.updateDirectories();
+    this.updateFiles();
+  }
+  showUploadPrompt() {
+    let input = document.createElement('input');
+    input.type = 'file';
+    input.multiple = true;
+    input.style.width = 0;
+    input.style.height = 0;
+    input.style.overflow = 'hidden';
+    input.addEventListener('change', ev => this.handleFileUpload(ev));
+    this.appendChild(input);
+    input.click();
+  }
+  handleDirectoryTreeSelect(ev) {
+    let newpath = ev.data.item.path;
+    this.chdir(newpath);
+  }
+  handleDirectoryChange(ev) {
+    let newdir = ev.target;
+    let newpath = newdir.path + newdir.name;
+    this.chdir(newpath);
+  }
+  handleUpDirectoryClick(ev) {
+    if (!ev.target.disabled) {
+      this.updir();
+    }
+  }
+  handleDeleteClick(ev) {
+    if (this.dirlist.selection.length > 0) {
+      console.log('delete', this.dirlist.selection);
+      let files = this.dirlist.selection.filter(n => !n.stats.isDirectory()).map(n => n.name),
+          dirs = this.dirlist.selection.filter(n => n.stats.isDirectory()).map(n => n.name);
+      if (files.length > 0) this.rm(files);
+      if (dirs.length > 0) this.rmdir(dirs);
+      this.dirlist.selectall(false);
+    }
+  }
+  handleAddButtonSelect(ev) {
+    let selected = this.addbuttonlist.selection[0];
+    if (selected) {
+      this.addbuttonlist.selectall(false);
+      this.addbutton.hidePopup();
+
+      switch(selected.value) {
+        case 'Upload':
+          this.showUploadPrompt();
+          break;
+        case 'Directory':
+          let dirname = prompt('Directory name?'); // FIXME - make this an HTML pop-up prompt
+          if (dirname !== null) {
+            this.mkdir(dirname);
+          }
+      }
+    }
+  }
+  handleFilesSelectionChange(ev) {
+    this.deletebutton.disabled = (this.dirlist.selection.length == 0);
+  }
+  handleFilesKeypress(ev) {
+    if (ev.keyCode == 127) {
+      this.handleDeleteClick(ev);
+    }
+  }
+  async handleFileUpload(ev) {
+    let files = ev.target.files;
+    console.log('upload some files', ev, files);
+    if (files && files.length > 0) {
+      let filenames = await this.saveFiles(files);
+      console.log('finished writing files', filenames);
+    }
+  }
+  handleDragStart(ev) {
+    let urilist = '';
+    this.dirlist.selection.forEach(f => {
+      urilist += 'janus-vfs://' + this.chroot + this.cwd + f.name + '\r\n';
+    });
+    ev.dataTransfer.setData('text/uri-list', urilist);
+    console.log('drag it!', urilist, ev, this.dirlist.selection);
+  }
+  handleDragOver(ev) {
+    ev.dataTransfer.dropEffect = "copy"
+    ev.preventDefault();
+  }
+  handleDragEnter(ev) {
+    let dragtarget = this.getDragTarget(ev);
+    if (dragtarget && !dragtarget.hasclass('dragactive')) {
+      dragtarget.addclass('dragactive');
+    }
+  }
+  handleDragLeave(ev) {
+    //let dragtarget = this.getDragTarget(ev);
+    let dragtarget = ev.target;
+    if (dragtarget && elation.html.hasclass(dragtarget, 'dragactive')) elation.html.removeclass(dragtarget, 'dragactive');
+    if (this.dirlist.hasclass('dragactive') && !this.dirlist.contains(dragtarget)) this.dirlist.removeclass('dragactive');
+  }
+  async handleDrop(ev) {
+    ev.preventDefault();
+    let dragtarget = this.getDragTarget(ev);
+    if (dragtarget) dragtarget.removeclass('dragactive');
+    let files = ev.dataTransfer.files;
+    let subdir = (dragtarget instanceof elation.elements.janus.ui.vfs.browser.file && dragtarget.stats.isDirectory() ? dragtarget.name : '');
+    console.log('upload some files', ev, files);
+    if (files && files.length > 0) {
+      let filenames = await this.saveFiles(files, subdir);
+      console.log('finished writing files', filenames);
+    }
+  }
+  getDragTarget(ev) {
+    let dragtarget = ev.target;
+
+    while (dragtarget !== this.dirlist && !(dragtarget instanceof elation.elements.janus.ui.vfs.browser.file && dragtarget.stats.isDirectory())) {
+      dragtarget = dragtarget.parentNode;
+    }
+console.log('my dragtarget!', dragtarget);
+    return dragtarget;
+  }
+  async saveFiles(files, subdir) {
+    let fs = await elation.engine.assetloader.agent['janus-vfs'].getFS();
+
+    let Buffer = BrowserFS.BFSRequire('buffer').Buffer;
+    let promises = [];
+    for (let i = 0; i < files.length; i++) {
+      let file = files[i];
+      let fname = this.chroot + this.cwd + (subdir ? subdir + '/' : '') + file.name;
+      console.log('Got file!', file.name, file.size, fname);
+      promises.push(new Promise((accept, reject) => {
+        let reader = new FileReader();
+        reader.onload = function() {
+          let buffer = Buffer.from(this.result);
+          fs.writeFile(fname, buffer, (e, f) => {
+            accept(fname);
+          });
+        }
+        reader.readAsArrayBuffer(file);
+      }));
+    }
+    Promise.all(promises).then((filenames) => {
+      this.updateFiles();
+      return filenames;
+    });
+  }
+});
+elation.elements.define('janus.ui.vfs.browser.directorytree', class extends elation.elements.ui.treeview {
+  create() {
+    super.create();
+  }
+});
+elation.elements.define('janus.ui.vfs.browser.directorylist', class extends elation.elements.ui.list {
+  create() {
+    super.create();
+  }
+});
+elation.elements.define('janus.ui.vfs.browser.directory', class extends elation.elements.ui.item {
+  create() {
+  }
+});
+elation.elements.define('janus.ui.vfs.browser.file', class extends elation.elements.ui.item {
+  create() {
+    super.create();
+
+    this.name = this.value.name;
+    this.path = this.value.path;
+    this.stats = this.value.stats;
+
+    this.title = this.name;
+
+    elation.elements.create('ui-label', {
+      append: this,
+      label: this.name + (this.stats.isDirectory() ? '/' : ''),
+    });
+
+    this.addEventListener('dblclick', ev => this.handleDblClick(ev));
+  }
+  handleDblClick(ev) {
+    if (this.stats.isDirectory()) {
+      this.dispatchEvent({type: 'directorychange', bubbles: true});
+    } else {
+      console.log('do something with this thing!', this);
+    }
+    ev.preventDefault();
+  }
+});
diff --git a/media/assets/webui/apps/vfs/vfs.json b/media/assets/webui/apps/vfs/vfs.json
new file mode 100644
index 0000000000000000000000000000000000000000..f0b7b0a2924000fd5fe33431d24d1d8f4bed823d
--- /dev/null
+++ b/media/assets/webui/apps/vfs/vfs.json
@@ -0,0 +1,10 @@
+{
+  "templates": {
+  },
+  "scripts":  ["./vfs.js", "./browserfs/browserfs.js"],
+  "css":      ["./vfs.css"],
+  "components": [
+    "janus-ui-vfs-browser"
+  ]
+}
+

-- Response ended

-- Page fetched on Sun Jun 2 19:07:24 2024