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cr.isDir(o.mode)?(o.node_ops=ur.ops_table.dir.node,o.stream_ops=ur.ops_table.dir.stream,o.contents={}):cr.isFile(o.mode)?(o.node_ops=ur.ops_table.file.node,o.stream_ops=ur.ops_table.file.stream,o.usedBytes=0,o.contents=null):cr.isLink(o.mode)?(o.node_ops=ur.ops_table.link.node,o.stream_ops=ur.ops_table.link.stream):cr.isChrdev(o.mode)&&(o.node_ops=ur.ops_table.chrdev.node,o.stream_ops=ur.ops_table.chrdev.stream),o.timestamp=Date.now(),e&&(e.contents[r]=o,e.timestamp=o.timestamp),o},getFileDataAsTypedArray:function(e){return e.contents?e.contents.subarray?e.contents.subarray(0,e.usedBytes):new Uint8Array(e.contents):new Uint8Array(0)},expandFileStorage:function(e,r){var t=e.contents?e.contents.length:0;if(!(t>=r)){r=Math.max(r,t*(t<1048576?2:1.125)>>>0),0!=t&&(r=Math.max(r,256));var n=e.contents;e.contents=new Uint8Array(r),e.usedBytes>0&&e.contents.set(n.subarray(0,e.usedBytes),0)}},resizeFileStorage:function(e,r){if(e.usedBytes!=r)if(0==r)e.contents=null,e.usedBytes=0;else{var t=e.contents;e.contents=new Uint8Array(r),t&&e.contents.set(t.subarray(0,Math.min(r,e.usedBytes))),e.usedBytes=r}},node_ops:{getattr:function(e){var r={};return r.dev=cr.isChrdev(e.mode)?e.id:1,r.ino=e.id,r.mode=e.mode,r.nlink=1,r.uid=0,r.gid=0,r.rdev=e.rdev,cr.isDir(e.mode)?r.size=4096:cr.isFile(e.mode)?r.size=e.usedBytes:cr.isLink(e.mode)?r.size=e.link.length:r.size=0,r.atime=new Date(e.timestamp),r.mtime=new Date(e.timestamp),r.ctime=new Date(e.timestamp),r.blksize=4096,r.blocks=Math.ceil(r.size/r.blksize),r},setattr:function(e,r){void 0!==r.mode&&(e.mode=r.mode),void 0!==r.timestamp&&(e.timestamp=r.timestamp),void 0!==r.size&&ur.resizeFileStorage(e,r.size)},lookup:function(e,r){throw cr.genericErrors[44]},mknod:function(e,r,t,n){return ur.createNode(e,r,t,n)},rename:function(e,r,t){if(cr.isDir(e.mode)){var n;try{n=cr.lookupNode(r,t)}catch(e){}if(n)for(var o in n.contents)throw new cr.ErrnoError(55)}delete e.parent.contents[e.name],e.parent.timestamp=Date.now(),e.name=t,r.contents[t]=e,r.timestamp=e.parent.timestamp,e.parent=r},unlink:function(e,r){delete e.contents[r],e.timestamp=Date.now()},rmdir:function(e,r){var t=cr.lookupNode(e,r);for(var n in t.contents)throw new cr.ErrnoError(55);delete e.contents[r],e.timestamp=Date.now()},readdir:function(e){var r=[".",".."];for(var t in e.contents)e.contents.hasOwnProperty(t)&&r.push(t);return r},symlink:function(e,r,t){var n=ur.createNode(e,r,41471,0);return n.link=t,n},readlink:function(e){if(!cr.isLink(e.mode))throw new cr.ErrnoError(28);return e.link}},stream_ops:{read:function(e,r,t,n,o){var i=e.node.contents;if(o>=e.node.usedBytes)return 0;var a=Math.min(e.node.usedBytes-o,n);if(a>8&&i.subarray)r.set(i.subarray(o,o+a),t);else for(var s=0;s<a;s++)r[t+s]=i[o+s];return a},write:function(e,r,t,n,o,i){if(r.buffer===P.buffer&&(i=!1),!n)return 0;var a=e.node;if(a.timestamp=Date.now(),r.subarray&&(!a.contents||a.contents.subarray)){if(i)return a.contents=r.subarray(t,t+n),a.usedBytes=n,n;if(0===a.usedBytes&&0===o)return a.contents=r.slice(t,t+n),a.usedBytes=n,n;if(o+n<=a.usedBytes)return a.contents.set(r.subarray(t,t+n),o),n}if(ur.expandFileStorage(a,o+n),a.contents.subarray&&r.subarray)a.contents.set(r.subarray(t,t+n),o);else for(var s=0;s<n;s++)a.contents[o+s]=r[t+s];return a.usedBytes=Math.max(a.usedBytes,o+n),n},llseek:function(e,r,t){var n=r;if(1===t?n+=e.position:2===t&&cr.isFile(e.node.mode)&&(n+=e.node.usedBytes),n<0)throw new cr.ErrnoError(28);return n},allocate:function(e,r,t){ur.expandFileStorage(e.node,r+t),e.node.usedBytes=Math.max(e.node.usedBytes,r+t)},mmap:function(e,r,t,n,o,i){if(0!==r)throw new cr.ErrnoError(28);if(!cr.isFile(e.node.mode))throw new cr.ErrnoError(43);var a,s,u=e.node.contents;if(2&i||u.buffer!==D){if((n>0||n+t<u.length)&&(u=u.subarray?u.subarray(n,n+t):Array.prototype.slice.call(u,n,n+t)),s=!0,!(a=function(e){for(var r=function(e,r){return r||(r=16),Math.ceil(e/r)*r}(e,16384),t=Er(r);e<r;)P[t+e++]=0;return t}(t)))throw new cr.ErrnoError(48);P.set(u,a)}else s=!1,a=u.byteOffset;return{ptr:a,allocated:s}},msync:function(e,r,t,n,o){if(!cr.isFile(e.node.mode))throw new cr.ErrnoError(43);return 2&o||ur.stream_ops.write(e,r,0,n,t,!1),0}}},cr={root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:!1,ignorePermissions:!0,trackingDelegate:{},tracking:{openFlags:{READ:1,WRITE:2}},ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:function(e,r){if(r=r||{},!(e=ar.resolve(cr.cwd(),e)))return{path:"",node:null};var t={follow_mount:!0,recurse_count:0};for(var n in t)void 0===r[n]&&(r[n]=t[n]);if(r.recurse_count>8)throw new cr.ErrnoError(32);for(var o=ir.normalizeArray(e.split("/").filter((function(e){return!!e})),!1),i=cr.root,a="/",s=0;s<o.length;s++){var u=s===o.length-1;if(u&&r.parent)break;if(i=cr.lookupNode(i,o[s]),a=ir.join2(a,o[s]),cr.isMountpoint(i)&&(!u||u&&r.follow_mount)&&(i=i.mounted.root),!u||r.follow)for(var c=0;cr.isLink(i.mode);){var l=cr.readlink(a);if(a=ar.resolve(ir.dirname(a),l),i=cr.lookupPath(a,{recurse_count:r.recurse_count}).node,c++>40)throw new cr.ErrnoError(32)}}return{path:a,node:i}},getPath:function(e){for(var r;;){if(cr.isRoot(e)){var t=e.mount.mountpoint;return r?"/"!==t[t.length-1]?t+"/"+r:t+r:t}r=r?e.name+"/"+r:e.name,e=e.parent}},hashName:function(e,r){for(var t=0,n=0;n<r.length;n++)t=(t<<5)-t+r.charCodeAt(n)|0;return(e+t>>>0)%cr.nameTable.length},hashAddNode:function(e){var r=cr.hashName(e.parent.id,e.name);e.name_next=cr.nameTable[r],cr.nameTable[r]=e},hashRemoveNode:function(e){var r=cr.hashName(e.parent.id,e.name);if(cr.nameTable[r]===e)cr.nameTable[r]=e.name_next;else for(var t=cr.nameTable[r];t;){if(t.name_next===e){t.name_next=e.name_next;break}t=t.name_next}},lookupNode:function(e,r){var t=cr.mayLookup(e);if(t)throw new cr.ErrnoError(t,e);for(var n=cr.hashName(e.id,r),o=cr.nameTable[n];o;o=o.name_next){var i=o.name;if(o.parent.id===e.id&&i===r)return o}return cr.lookup(e,r)},createNode:function(e,r,t,n){var o=new cr.FSNode(e,r,t,n);return cr.hashAddNode(o),o},destroyNode:function(e){cr.hashRemoveNode(e)},isRoot:function(e){return e===e.parent},isMountpoint:function(e){return!!e.mounted},isFile:function(e){return 32768==(61440&e)},isDir:function(e){return 16384==(61440&e)},isLink:function(e){return 40960==(61440&e)},isChrdev:function(e){return 8192==(61440&e)},isBlkdev:function(e){return 24576==(61440&e)},isFIFO:function(e){return 4096==(61440&e)},isSocket:function(e){return 49152==(49152&e)},flagModes:{r:0,"r+":2,w:577,"w+":578,a:1089,"a+":1090},modeStringToFlags:function(e){var r=cr.flagModes[e];if(void 0===r)throw new Error("Unknown file open mode: "+e);return r},flagsToPermissionString:function(e){var r=["r","w","rw"][3&e];return 512&e&&(r+="w"),r},nodePermissions:function(e,r){return cr.ignorePermissions||(-1===r.indexOf("r")||292&e.mode)&&(-1===r.indexOf("w")||146&e.mode)&&(-1===r.indexOf("x")||73&e.mode)?0:2},mayLookup:function(e){return cr.nodePermissions(e,"x")||(e.node_ops.lookup?0:2)},mayCreate:function(e,r){try{return cr.lookupNode(e,r),20}catch(e){}return cr.nodePermissions(e,"wx")},mayDelete:function(e,r,t){var n;try{n=cr.lookupNode(e,r)}catch(e){return e.errno}var o=cr.nodePermissions(e,"wx");if(o)return o;if(t){if(!cr.isDir(n.mode))return 54;if(cr.isRoot(n)||cr.getPath(n)===cr.cwd())return 10}else if(cr.isDir(n.mode))return 31;return 0},mayOpen:function(e,r){return e?cr.isLink(e.mode)?32:cr.isDir(e.mode)&&("r"!==cr.flagsToPermissionString(r)||512&r)?31:cr.nodePermissions(e,cr.flagsToPermissionString(r)):44},MAX_OPEN_FDS:4096,nextfd:function(e,r){e=e||0,r=r||cr.MAX_OPEN_FDS;for(var t=e;t<=r;t++)if(!cr.streams[t])return t;throw new cr.ErrnoError(33)},getStream:function(e){return cr.streams[e]},createStream:function(e,r,t){cr.FSStream||(cr.FSStream=function(){},cr.FSStream.prototype={object:{get:function(){return this.node},set:function(e){this.node=e}},isRead:{get:function(){return 1!=(2097155&this.flags)}},isWrite:{get:function(){return 0!=(2097155&this.flags)}},isAppend:{get:function(){return 1024&this.flags}}});var n=new cr.FSStream;for(var o in e)n[o]=e[o];e=n;var i=cr.nextfd(r,t);return e.fd=i,cr.streams[i]=e,e},closeStream:function(e){cr.streams[e]=null},chrdev_stream_ops:{open:function(e){var r=cr.getDevice(e.node.rdev);e.stream_ops=r.stream_ops,e.stream_ops.open&&e.stream_ops.open(e)},llseek:function(){throw new cr.ErrnoError(70)}},major:function(e){return e>>8},minor:function(e){return 255&e},makedev:function(e,r){return e<<8|r},registerDevice:function(e,r){cr.devices[e]={stream_ops:r}},getDevice:function(e){return cr.devices[e]},getMounts:function(e){for(var r=[],t=[e];t.length;){var n=t.pop();r.push(n),t.push.apply(t,n.mounts)}return r},syncfs:function(e,r){"function"==typeof e&&(r=e,e=!1),cr.syncFSRequests++,cr.syncFSRequests>1&&m("warning: "+cr.syncFSRequests+" FS.syncfs operations in flight at once, probably just doing extra work");var t=cr.getMounts(cr.root.mount),n=0;function o(e){return cr.syncFSRequests--,r(e)}function i(e){if(e)return i.errored?void 0:(i.errored=!0,o(e));++n>=t.length&&o(null)}t.forEach((function(r){if(!r.type.syncfs)return i(null);r.type.syncfs(r,e,i)}))},mount:function(e,r,t){var n,o="/"===t,i=!t;if(o&&cr.root)throw new cr.ErrnoError(10);if(!o&&!i){var a=cr.lookupPath(t,{follow_mount:!1});if(t=a.path,n=a.node,cr.isMountpoint(n))throw new cr.ErrnoError(10);if(!cr.isDir(n.mode))throw new cr.ErrnoError(54)}var s={type:e,opts:r,mountpoint:t,mounts:[]},u=e.mount(s);return u.mount=s,s.root=u,o?cr.root=u:n&&(n.mounted=s,n.mount&&n.mount.mounts.push(s)),u},unmount:function(e){var r=cr.lookupPath(e,{follow_mount:!1});if(!cr.isMountpoint(r.node))throw new cr.ErrnoError(28);var t=r.node,n=t.mounted,o=cr.getMounts(n);Object.keys(cr.nameTable).forEach((function(e){for(var r=cr.nameTable[e];r;){var t=r.name_next;-1!==o.indexOf(r.mount)&&cr.destroyNode(r),r=t}})),t.mounted=null;var i=t.mount.mounts.indexOf(n);t.mount.mounts.splice(i,1)},lookup:function(e,r){return e.node_ops.lookup(e,r)},mknod:function(e,r,t){var n=cr.lookupPath(e,{parent:!0}).node,o=ir.basename(e);if(!o||"."===o||".."===o)throw new cr.ErrnoError(28);var i=cr.mayCreate(n,o);if(i)throw new cr.ErrnoError(i);if(!n.node_ops.mknod)throw new cr.ErrnoError(63);return n.node_ops.mknod(n,o,r,t)},create:function(e,r){return r=void 0!==r?r:438,r&=4095,r|=32768,cr.mknod(e,r,0)},mkdir:function(e,r){return r=void 0!==r?r:511,r&=1023,r|=16384,cr.mknod(e,r,0)},mkdirTree:function(e,r){for(var t=e.split("/"),n="",o=0;o<t.length;++o)if(t[o]){n+="/"+t[o];try{cr.mkdir(n,r)}catch(e){if(20!=e.errno)throw e}}},mkdev:function(e,r,t){return void 0===t&&(t=r,r=438),r|=8192,cr.mknod(e,r,t)},symlink:function(e,r){if(!ar.resolve(e))throw new cr.ErrnoError(44);var t=cr.lookupPath(r,{parent:!0}).node;if(!t)throw new cr.ErrnoError(44);var n=ir.basename(r),o=cr.mayCreate(t,n);if(o)throw new cr.ErrnoError(o);if(!t.node_ops.symlink)throw new cr.ErrnoError(63);return t.node_ops.symlink(t,n,e)},rename:function(e,r){var t,n,o=ir.dirname(e),i=ir.dirname(r),a=ir.basename(e),s=ir.basename(r);if(t=cr.lookupPath(e,{parent:!0}).node,n=cr.lookupPath(r,{parent:!0}).node,!t||!n)throw new cr.ErrnoError(44);if(t.mount!==n.mount)throw new cr.ErrnoError(75);var u,c=cr.lookupNode(t,a),l=ar.relative(e,i);if("."!==l.charAt(0))throw new cr.ErrnoError(28);if("."!==(l=ar.relative(r,o)).charAt(0))throw new cr.ErrnoError(55);try{u=cr.lookupNode(n,s)}catch(e){}if(c!==u){var f=cr.isDir(c.mode),d=cr.mayDelete(t,a,f);if(d)throw new cr.ErrnoError(d);if(d=u?cr.mayDelete(n,s,f):cr.mayCreate(n,s))throw new cr.ErrnoError(d);if(!t.node_ops.rename)throw new cr.ErrnoError(63);if(cr.isMountpoint(c)||u&&cr.isMountpoint(u))throw new cr.ErrnoError(10);if(n!==t&&(d=cr.nodePermissions(t,"w")))throw new cr.ErrnoError(d);try{cr.trackingDelegate.willMovePath&&cr.trackingDelegate.willMovePath(e,r)}catch(t){m("FS.trackingDelegate['willMovePath']('"+e+"', '"+r+"') threw an exception: "+t.message)}cr.hashRemoveNode(c);try{t.node_ops.rename(c,n,s)}catch(e){throw e}finally{cr.hashAddNode(c)}try{cr.trackingDelegate.onMovePath&&cr.trackingDelegate.onMovePath(e,r)}catch(t){m("FS.trackingDelegate['onMovePath']('"+e+"', '"+r+"') threw an exception: "+t.message)}}},rmdir:function(e){var r=cr.lookupPath(e,{parent:!0}).node,t=ir.basename(e),n=cr.lookupNode(r,t),o=cr.mayDelete(r,t,!0);if(o)throw new cr.ErrnoError(o);if(!r.node_ops.rmdir)throw new cr.ErrnoError(63);if(cr.isMountpoint(n))throw new cr.ErrnoError(10);try{cr.trackingDelegate.willDeletePath&&cr.trackingDelegate.willDeletePath(e)}catch(r){m("FS.trackingDelegate['willDeletePath']('"+e+"') threw an exception: "+r.message)}r.node_ops.rmdir(r,t),cr.destroyNode(n);try{cr.trackingDelegate.onDeletePath&&cr.trackingDelegate.onDeletePath(e)}catch(r){m("FS.trackingDelegate['onDeletePath']('"+e+"') threw an exception: "+r.message)}},readdir:function(e){var r=cr.lookupPath(e,{follow:!0}).node;if(!r.node_ops.readdir)throw new cr.ErrnoError(54);return r.node_ops.readdir(r)},unlink:function(e){var r=cr.lookupPath(e,{parent:!0}).node,t=ir.basename(e),n=cr.lookupNode(r,t),o=cr.mayDelete(r,t,!1);if(o)throw new cr.ErrnoError(o);if(!r.node_ops.unlink)throw new cr.ErrnoError(63);if(cr.isMountpoint(n))throw new cr.ErrnoError(10);try{cr.trackingDelegate.willDeletePath&&cr.trackingDelegate.willDeletePath(e)}catch(r){m("FS.trackingDelegate['willDeletePath']('"+e+"') threw an exception: "+r.message)}r.node_ops.unlink(r,t),cr.destroyNode(n);try{cr.trackingDelegate.onDeletePath&&cr.trackingDelegate.onDeletePath(e)}catch(r){m("FS.trackingDelegate['onDeletePath']('"+e+"') threw an exception: "+r.message)}},readlink:function(e){var r=cr.lookupPath(e).node;if(!r)throw new cr.ErrnoError(44);if(!r.node_ops.readlink)throw new cr.ErrnoError(28);return ar.resolve(cr.getPath(r.parent),r.node_ops.readlink(r))},stat:function(e,r){var t=cr.lookupPath(e,{follow:!r}).node;if(!t)throw new cr.ErrnoError(44);if(!t.node_ops.getattr)throw new cr.ErrnoError(63);return t.node_ops.getattr(t)},lstat:function(e){return cr.stat(e,!0)},chmod:function(e,r,t){var n;if(!(n="string"==typeof e?cr.lookupPath(e,{follow:!t}).node:e).node_ops.setattr)throw new cr.ErrnoError(63);n.node_ops.setattr(n,{mode:4095&r|-4096&n.mode,timestamp:Date.now()})},lchmod:function(e,r){cr.chmod(e,r,!0)},fchmod:function(e,r){var t=cr.getStream(e);if(!t)throw new cr.ErrnoError(8);cr.chmod(t.node,r)},chown:function(e,r,t,n){var o;if(!(o="string"==typeof e?cr.lookupPath(e,{follow:!n}).node:e).node_ops.setattr)throw new cr.ErrnoError(63);o.node_ops.setattr(o,{timestamp:Date.now()})},lchown:function(e,r,t){cr.chown(e,r,t,!0)},fchown:function(e,r,t){var n=cr.getStream(e);if(!n)throw new cr.ErrnoError(8);cr.chown(n.node,r,t)},truncate:function(e,r){if(r<0)throw new cr.ErrnoError(28);var t;if(!(t="string"==typeof e?cr.lookupPath(e,{follow:!0}).node:e).node_ops.setattr)throw new cr.ErrnoError(63);if(cr.isDir(t.mode))throw new cr.ErrnoError(31);if(!cr.isFile(t.mode))throw new cr.ErrnoError(28);var n=cr.nodePermissions(t,"w");if(n)throw new cr.ErrnoError(n);t.node_ops.setattr(t,{size:r,timestamp:Date.now()})},ftruncate:function(e,r){var t=cr.getStream(e);if(!t)throw new cr.ErrnoError(8);if(0==(2097155&t.flags))throw new cr.ErrnoError(28);cr.truncate(t.node,r)},utime:function(e,r,t){var n=cr.lookupPath(e,{follow:!0}).node;n.node_ops.setattr(n,{timestamp:Math.max(r,t)})},open:function(r,t,n,o,i){if(""===r)throw new cr.ErrnoError(44);var a;if(n=void 0===n?438:n,n=64&(t="string"==typeof 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l=0;1!=(2097155&t)&&(l|=cr.tracking.openFlags.READ),0!=(2097155&t)&&(l|=cr.tracking.openFlags.WRITE),cr.trackingDelegate.onOpenFile(r,l)}}catch(e){m("FS.trackingDelegate['onOpenFile']('"+r+"', flags) threw an exception: "+e.message)}return c},close:function(e){if(cr.isClosed(e))throw new cr.ErrnoError(8);e.getdents&&(e.getdents=null);try{e.stream_ops.close&&e.stream_ops.close(e)}catch(e){throw e}finally{cr.closeStream(e.fd)}e.fd=null},isClosed:function(e){return null===e.fd},llseek:function(e,r,t){if(cr.isClosed(e))throw new cr.ErrnoError(8);if(!e.seekable||!e.stream_ops.llseek)throw new cr.ErrnoError(70);if(0!=t&&1!=t&&2!=t)throw new cr.ErrnoError(28);return e.position=e.stream_ops.llseek(e,r,t),e.ungotten=[],e.position},read:function(e,r,t,n,o){if(n<0||o<0)throw new cr.ErrnoError(28);if(cr.isClosed(e))throw new cr.ErrnoError(8);if(1==(2097155&e.flags))throw new cr.ErrnoError(8);if(cr.isDir(e.node.mode))throw new cr.ErrnoError(31);if(!e.stream_ops.read)throw new cr.ErrnoError(28);var 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