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Uint8Array(e),t&&r.contents.set(t.subarray(0,Math.min(e,r.usedBytes))),r.usedBytes=e}},node_ops:{getattr(r){var e={};return e.dev=o.isChrdev(r.mode)?r.id:1,e.ino=r.id,e.mode=r.mode,e.nlink=1,e.uid=0,e.gid=0,e.rdev=r.rdev,o.isDir(r.mode)?e.size=4096:o.isFile(r.mode)?e.size=r.usedBytes:o.isLink(r.mode)?e.size=r.link.length:e.size=0,e.atime=new Date(r.timestamp),e.mtime=new Date(r.timestamp),e.ctime=new Date(r.timestamp),e.blksize=4096,e.blocks=Math.ceil(e.size/e.blksize),e},setattr(r,e){e.mode!==void 0&&(r.mode=e.mode),e.timestamp!==void 0&&(r.timestamp=e.timestamp),e.size!==void 0&&w.resizeFileStorage(r,e.size)},lookup(r,e){throw o.genericErrors[44]},mknod(r,e,t,n){return w.createNode(r,e,t,n)},rename(r,e,t){if(o.isDir(r.mode)){var n;try{n=o.lookupNode(e,t)}catch{}if(n)for(var a in n.contents)throw new o.ErrnoError(55)}delete r.parent.contents[r.name],r.parent.timestamp=Date.now(),r.name=t,e.contents[t]=r,e.timestamp=r.parent.timestamp,r.parent=e},unlink(r,e){delete r.contents[e],r.timestamp=Date.now()},rmdir(r,e){var t=o.lookupNode(r,e);for(var n in t.contents)throw new o.ErrnoError(55);delete r.contents[e],r.timestamp=Date.now()},readdir(r){var e=[".",".."];for(var t in r.contents)r.contents.hasOwnProperty(t)&&e.push(t);return e},symlink(r,e,t){var n=w.createNode(r,e,41471,0);return n.link=t,n},readlink(r){if(!o.isLink(r.mode))throw new o.ErrnoError(28);return r.link}},stream_ops:{read(r,e,t,n,a){var i=r.node.contents;if(a>=r.node.usedBytes)return 0;var s=Math.min(r.node.usedBytes-a,n);if(s>8&&i.subarray)e.set(i.subarray(a,a+s),t);else for(var u=0;u<s;u++)e[t+u]=i[a+u];return s},write(r,e,t,n,a,i){if(e.buffer===O.buffer&&(i=!1),!n)return 0;var s=r.node;if(s.timestamp=Date.now(),e.subarray&&(!s.contents||s.contents.subarray)){if(i)return s.contents=e.subarray(t,t+n),s.usedBytes=n,n;if(s.usedBytes===0&&a===0)return s.contents=e.slice(t,t+n),s.usedBytes=n,n;if(a+n<=s.usedBytes)return s.contents.set(e.subarray(t,t+n),a),n}if(w.expandFileStorage(s,a+n),s.contents.subarray&&e.subarray)s.contents.set(e.subarray(t,t+n),a);else for(var u=0;u<n;u++)s.contents[a+u]=e[t+u];return s.usedBytes=Math.max(s.usedBytes,a+n),n},llseek(r,e,t){var n=e;if(t===1?n+=r.position:t===2&&o.isFile(r.node.mode)&&(n+=r.node.usedBytes),n<0)throw new o.ErrnoError(28);return n},allocate(r,e,t){w.expandFileStorage(r.node,e+t),r.node.usedBytes=Math.max(r.node.usedBytes,e+t)},mmap(r,e,t,n,a){if(!o.isFile(r.node.mode))throw new o.ErrnoError(43);var i,s,u=r.node.contents;if(!(a&2)&&u.buffer===O.buffer)s=!1,i=u.byteOffset;else{if((t>0||t+e<u.length)&&(u.subarray?u=u.subarray(t,t+e):u=Array.prototype.slice.call(u,t,t+e)),s=!0,i=We(),!i)throw new o.ErrnoError(48);O.set(u,i)}return{ptr:i,allocated:s}},msync(r,e,t,n,a){return w.stream_ops.write(r,e,0,n,t,!1),0}}},kn=(r,e,t,n)=>{var a=n?"":`al ${r}`;ne(r,i=>{Xe(i,`Loading data file "${r}" failed (no arrayBuffer).`),e(new 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t={follow_mount:!0,recurse_count:0};if(e=Object.assign(t,e),e.recurse_count>8)throw new o.ErrnoError(32);for(var n=r.split("/").filter(m=>!!m),a=o.root,i="/",s=0;s<n.length;s++){var u=s===n.length-1;if(u&&e.parent)break;if(a=o.lookupNode(a,n[s]),i=T.join2(i,n[s]),o.isMountpoint(a)&&(!u||u&&e.follow_mount)&&(a=a.mounted.root),!u||e.follow)for(var l=0;o.isLink(a.mode);){var f=o.readlink(i);i=B.resolve(T.dirname(i),f);var c=o.lookupPath(i,{recurse_count:e.recurse_count+1});if(a=c.node,l++>40)throw new o.ErrnoError(32)}}return{path:i,node:a}},getPath(r){for(var e;;){if(o.isRoot(r)){var t=r.mount.mountpoint;return e?t[t.length-1]!=="/"?`${t}/${e}`:t+e:t}e=e?`${r.name}/${e}`:r.name,r=r.parent}},hashName(r,e){for(var t=0,n=0;n<e.length;n++)t=(t<<5)-t+e.charCodeAt(n)|0;return(r+t>>>0)%o.nameTable.length},hashAddNode(r){var e=o.hashName(r.parent.id,r.name);r.name_next=o.nameTable[e],o.nameTable[e]=r},hashRemoveNode(r){var e=o.hashName(r.parent.id,r.name);if(o.nameTable[e]===r)o.nameTable[e]=r.name_next;else for(var t=o.nameTable[e];t;){if(t.name_next===r){t.name_next=r.name_next;break}t=t.name_next}},lookupNode(r,e){var t=o.mayLookup(r);if(t)throw new o.ErrnoError(t,r);for(var n=o.hashName(r.id,e),a=o.nameTable[n];a;a=a.name_next){var i=a.name;if(a.parent.id===r.id&&i===e)return a}return o.lookup(r,e)},createNode(r,e,t,n){var a=new o.FSNode(r,e,t,n);return o.hashAddNode(a),a},destroyNode(r){o.hashRemoveNode(r)},isRoot(r){return r===r.parent},isMountpoint(r){return!!r.mounted},isFile(r){return(r&61440)===32768},isDir(r){return(r&61440)===16384},isLink(r){return(r&61440)===40960},isChrdev(r){return(r&61440)===8192},isBlkdev(r){return(r&61440)===24576},isFIFO(r){return(r&61440)===4096},isSocket(r){return(r&49152)===49152},flagsToPermissionString(r){var e=["r","w","rw"][r&3];return r&512&&(e+="w"),e},nodePermissions(r,e){return o.ignorePermissions?0:e.includes("r")&&!(r.mode&292)||e.includes("w")&&!(r.mode&146)||e.includes("x")&&!(r.mode&73)?2:0},mayLookup(r){var e=o.nodePermissions(r,"x");return e||(r.node_ops.lookup?0:2)},mayCreate(r,e){try{var t=o.lookupNode(r,e);return 20}catch{}return o.nodePermissions(r,"wx")},mayDelete(r,e,t){var n;try{n=o.lookupNode(r,e)}catch(i){return i.errno}var a=o.nodePermissions(r,"wx");if(a)return a;if(t){if(!o.isDir(n.mode))return 54;if(o.isRoot(n)||o.getPath(n)===o.cwd())return 10}else if(o.isDir(n.mode))return 31;return 0},mayOpen(r,e){return r?o.isLink(r.mode)?32:o.isDir(r.mode)&&(o.flagsToPermissionString(e)!=="r"||e&512)?31:o.nodePermissions(r,o.flagsToPermissionString(e)):44},MAX_OPEN_FDS:4096,nextfd(){for(var r=0;r<=o.MAX_OPEN_FDS;r++)if(!o.streams[r])return r;throw new o.ErrnoError(33)},getStreamChecked(r){var e=o.getStream(r);if(!e)throw new o.ErrnoError(8);return e},getStream:r=>o.streams[r],createStream(r,e=-1){return o.FSStream||(o.FSStream=function(){this.shared={}},o.FSStream.prototype={},Object.defineProperties(o.FSStream.prototype,{object:{get(){return this.node},set(t){this.node=t}},isRead:{get(){return(this.flags&2097155)!==1}},isWrite:{get(){return(this.flags&2097155)!==0}},isAppend:{get(){return this.flags&1024}},flags:{get(){return this.shared.flags},set(t){this.shared.flags=t}},position:{get(){return this.shared.position},set(t){this.shared.position=t}}})),r=Object.assign(new o.FSStream,r),e==-1&&(e=o.nextfd()),r.fd=e,o.streams[e]=r,r},closeStream(r){o.streams[r]=null},chrdev_stream_ops:{open(r){var e=o.getDevice(r.node.rdev);r.stream_ops=e.stream_ops,r.stream_ops.open&&r.stream_ops.open(r)},llseek(){throw new o.ErrnoError(70)}},major:r=>r>>8,minor:r=>r&255,makedev:(r,e)=>r<<8|e,registerDevice(r,e){o.devices[r]={stream_ops:e}},getDevice:r=>o.devices[r],getMounts(r){for(var e=[],t=[r];t.length;){var n=t.pop();e.push(n),t.push.apply(t,n.mounts)}return e},syncfs(r,e){typeof r=="function"&&(e=r,r=!1),o.syncFSRequests++,o.syncFSRequests>1&&V(`warning: ${o.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);var t=o.getMounts(o.root.mount),n=0;function a(s){return o.syncFSRequests--,e(s)}function i(s){if(s)return i.errored?void 0:(i.errored=!0,a(s));++n>=t.length&&a(null)}t.forEach(s=>{if(!s.type.syncfs)return i(null);s.type.syncfs(s,r,i)})},mount(r,e,t){var n=t==="/",a=!t,i;if(n&&o.root)throw new o.ErrnoError(10);if(!n&&!a){var s=o.lookupPath(t,{follow_mount:!1});if(t=s.path,i=s.node,o.isMountpoint(i))throw new o.ErrnoError(10);if(!o.isDir(i.mode))throw new o.ErrnoError(54)}var u={type:r,opts:e,mountpoint:t,mounts:[]},l=r.mount(u);return l.mount=u,u.root=l,n?o.root=l:i&&(i.mounted=u,i.mount&&i.mount.mounts.push(u)),l},unmount(r){var e=o.lookupPath(r,{follow_mount:!1});if(!o.isMountpoint(e.node))throw new o.ErrnoError(28);var t=e.node,n=t.mounted,a=o.getMounts(n);Object.keys(o.nameTable).forEach(s=>{for(var u=o.nameTable[s];u;){var l=u.name_next;a.includes(u.mount)&&o.destroyNode(u),u=l}}),t.mounted=null;var i=t.mount.mounts.indexOf(n);t.mount.mounts.splice(i,1)},lookup(r,e){return r.node_ops.lookup(r,e)},mknod(r,e,t){var n=o.lookupPath(r,{parent:!0}),a=n.node,i=T.basename(r);if(!i||i==="."||i==="..")throw new o.ErrnoError(28);var s=o.mayCreate(a,i);if(s)throw new o.ErrnoError(s);if(!a.node_ops.mknod)throw new o.ErrnoError(63);return a.node_ops.mknod(a,i,e,t)},create(r,e){return e=e!==void 0?e:438,e&=4095,e|=32768,o.mknod(r,e,0)},mkdir(r,e){return e=e!==void 0?e:511,e&=1023,e|=16384,o.mknod(r,e,0)},mkdirTree(r,e){for(var t=r.split("/"),n="",a=0;a<t.length;++a)if(t[a]){n+="/"+t[a];try{o.mkdir(n,e)}catch(i){if(i.errno!=20)throw i}}},mkdev(r,e,t){return typeof t>"u"&&(t=e,e=438),e|=8192,o.mknod(r,e,t)},symlink(r,e){if(!B.resolve(r))throw new o.ErrnoError(44);var t=o.lookupPath(e,{parent:!0}),n=t.node;if(!n)throw new o.ErrnoError(44);var a=T.basename(e),i=o.mayCreate(n,a);if(i)throw new o.ErrnoError(i);if(!n.node_ops.symlink)throw new o.ErrnoError(63);return n.node_ops.symlink(n,a,r)},rename(r,e){var t=T.dirname(r),n=T.dirname(e),a=T.basename(r),i=T.basename(e),s,u,l;if(s=o.lookupPath(r,{parent:!0}),u=s.node,s=o.lookupPath(e,{parent:!0}),l=s.node,!u||!l)throw new o.ErrnoError(44);if(u.mount!==l.mount)throw new o.ErrnoError(75);var f=o.lookupNode(u,a),c=B.relative(r,n);if(c.charAt(0)!==".")throw new o.ErrnoError(28);if(c=B.relative(e,t),c.charAt(0)!==".")throw new o.ErrnoError(55);var m;try{m=o.lookupNode(l,i)}catch{}if(f!==m){var p=o.isDir(f.mode),h=o.mayDelete(u,a,p);if(h)throw new o.ErrnoError(h);if(h=m?o.mayDelete(l,i,p):o.mayCreate(l,i),h)throw new o.ErrnoError(h);if(!u.node_ops.rename)throw new o.ErrnoError(63);if(o.isMountpoint(f)||m&&o.isMountpoint(m))throw new o.ErrnoError(10);if(l!==u&&(h=o.nodePermissions(u,"w"),h))throw new o.ErrnoError(h);o.hashRemoveNode(f);try{u.node_ops.rename(f,l,i)}catch(g){throw g}finally{o.hashAddNode(f)}}},rmdir(r){var e=o.lookupPath(r,{parent:!0}),t=e.node,n=T.basename(r),a=o.lookupNode(t,n),i=o.mayDelete(t,n,!0);if(i)throw new o.ErrnoError(i);if(!t.node_ops.rmdir)throw new o.ErrnoError(63);if(o.isMountpoint(a))throw new o.ErrnoError(10);t.node_ops.rmdir(t,n),o.destroyNode(a)},readdir(r){var e=o.lookupPath(r,{follow:!0}),t=e.node;if(!t.node_ops.readdir)throw new o.ErrnoError(54);return t.node_ops.readdir(t)},unlink(r){var e=o.lookupPath(r,{parent:!0}),t=e.node;if(!t)throw new o.ErrnoError(44);var n=T.basename(r),a=o.lookupNode(t,n),i=o.mayDelete(t,n,!1);if(i)throw new o.ErrnoError(i);if(!t.node_ops.unlink)throw new o.ErrnoError(63);if(o.isMountpoint(a))throw new o.ErrnoError(10);t.node_ops.unlink(t,n),o.destroyNode(a)},readlink(r){var e=o.lookupPath(r),t=e.node;if(!t)throw new o.ErrnoError(44);if(!t.node_ops.readlink)throw new o.ErrnoError(28);return B.resolve(o.getPath(t.parent),t.node_ops.readlink(t))},stat(r,e){var t=o.lookupPath(r,{follow:!e}),n=t.node;if(!n)throw new o.ErrnoError(44);if(!n.node_ops.getattr)throw new o.ErrnoError(63);return n.node_ops.getattr(n)},lstat(r){return o.stat(r,!0)},chmod(r,e,t){var n;if(typeof r=="string"){var a=o.lookupPath(r,{follow:!t});n=a.node}else n=r;if(!n.node_ops.setattr)throw new o.ErrnoError(63);n.node_ops.setattr(n,{mode:e&4095|n.mode&-4096,timestamp:Date.now()})},lchmod(r,e){o.chmod(r,e,!0)},fchmod(r,e){var t=o.getStreamChecked(r);o.chmod(t.node,e)},chown(r,e,t,n){var a;if(typeof r=="string"){var i=o.lookupPath(r,{follow:!n});a=i.node}else a=r;if(!a.node_ops.setattr)throw new o.ErrnoError(63);a.node_ops.setattr(a,{timestamp:Date.now()})},lchown(r,e,t){o.chown(r,e,t,!0)},fchown(r,e,t){var n=o.getStreamChecked(r);o.chown(n.node,e,t)},truncate(r,e){if(e<0)throw new o.ErrnoError(28);var t;if(typeof r=="string"){var n=o.lookupPath(r,{follow:!0});t=n.node}else t=r;if(!t.node_ops.setattr)throw new o.ErrnoError(63);if(o.isDir(t.mode))throw new o.ErrnoError(31);if(!o.isFile(t.mode))throw new o.ErrnoError(28);var a=o.nodePermissions(t,"w");if(a)throw new o.ErrnoError(a);t.node_ops.setattr(t,{size:e,timestamp:Date.now()})},ftruncate(r,e){var t=o.getStreamChecked(r);if(!(t.flags&2097155))throw new o.ErrnoError(28);o.truncate(t.node,e)},utime(r,e,t){var n=o.lookupPath(r,{follow:!0}),a=n.node;a.node_ops.setattr(a,{timestamp:Math.max(e,t)})},open(r,e,t){if(r==="")throw new o.ErrnoError(44);e=typeof e=="string"?Fn(e):e,t=typeof t>"u"?438:t,e&64?t=t&4095|32768:t=0;var n;if(typeof r=="object")n=r;else{r=T.normalize(r);try{var a=o.lookupPath(r,{follow:!(e&131072)});n=a.node}catch{}}var i=!1;if(e&64)if(n){if(e&128)throw new o.ErrnoError(20)}else n=o.mknod(r,t,0),i=!0;if(!n)throw new o.ErrnoError(44);if(o.isChrdev(n.mode)&&(e&=-513),e&65536&&!o.isDir(n.mode))throw new o.ErrnoError(54);if(!i){var s=o.mayOpen(n,e);if(s)throw new o.ErrnoError(s)}e&512&&!i&&o.truncate(n,0),e&=-131713;var 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