@hpcc-js/wasm-graphviz/dist/index.js

hpcc-js - WASM Graphviz

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n.ErrnoError(8);return e},getStream:r=>n.streams[r],createStream(r,e=-1){return r=Object.assign(new n.FSStream,r),e==-1&&(e=n.nextfd()),r.fd=e,n.streams[e]=r,r},closeStream(r){n.streams[r]=null},dupStream(r,e=-1){var t=n.createStream(r,e);return t.stream_ops?.dup?.(t),t},doSetAttr(r,e,t){var o=r?.stream_ops.setattr,i=o?r:e;o??=e.node_ops.setattr,n.checkOpExists(o,63),o(i,t)},chrdev_stream_ops:{open(r){var e=n.getDevice(r.node.rdev);r.stream_ops=e.stream_ops,r.stream_ops.open?.(r)},llseek(){throw new n.ErrnoError(70)}},major:r=>r>>8,minor:r=>r&255,makedev:(r,e)=>r<<8|e,registerDevice(r,e){n.devices[r]={stream_ops:e}},getDevice:r=>n.devices[r],getMounts(r){for(var e=[],t=[r];t.length;){var o=t.pop();e.push(o),t.push(...o.mounts)}return e},syncfs(r,e){typeof r=="function"&&(e=r,r=!1),n.syncFSRequests++,n.syncFSRequests>1&&X(`warning: ${n.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);var t=n.getMounts(n.root.mount),o=0;function i(u){return n.syncFSRequests--,e(u)}function a(u){if(u)return a.errored?void 0:(a.errored=!0,i(u));++o>=t.length&&i(null)}t.forEach(u=>{if(!u.type.syncfs)return a(null);u.type.syncfs(u,r,a)})},mount(r,e,t){var o=t==="/",i=!t,a;if(o&&n.root)throw new n.ErrnoError(10);if(!o&&!i){var u=n.lookupPath(t,{follow_mount:!1});if(t=u.path,a=u.node,n.isMountpoint(a))throw new n.ErrnoError(10);if(!n.isDir(a.mode))throw new n.ErrnoError(54)}var s={type:r,opts:e,mountpoint:t,mounts:[]},p=r.mount(s);return p.mount=s,s.root=p,o?n.root=p:a&&(a.mounted=s,a.mount&&a.mount.mounts.push(s)),p},unmount(r){var e=n.lookupPath(r,{follow_mount:!1});if(!n.isMountpoint(e.node))throw new n.ErrnoError(28);var t=e.node,o=t.mounted,i=n.getMounts(o);Object.keys(n.nameTable).forEach(u=>{for(var s=n.nameTable[u];s;){var p=s.name_next;i.includes(s.mount)&&n.destroyNode(s),s=p}}),t.mounted=null;var a=t.mount.mounts.indexOf(o);t.mount.mounts.splice(a,1)},lookup(r,e){return r.node_ops.lookup(r,e)},mknod(r,e,t){var o=n.lookupPath(r,{parent:!0}),i=o.node,a=P.basename(r);if(!a)throw new n.ErrnoError(28);if(a==="."||a==="..")throw new n.ErrnoError(20);var u=n.mayCreate(i,a);if(u)throw new n.ErrnoError(u);if(!i.node_ops.mknod)throw new n.ErrnoError(63);return i.node_ops.mknod(i,a,e,t)},statfs(r){return n.statfsNode(n.lookupPath(r,{follow:!0}).node)},statfsStream(r){return n.statfsNode(r.node)},statfsNode(r){var e={bsize:4096,frsize:4096,blocks:1e6,bfree:5e5,bavail:5e5,files:n.nextInode,ffree:n.nextInode-1,fsid:42,flags:2,namelen:255};return r.node_ops.statfs&&Object.assign(e,r.node_ops.statfs(r.mount.opts.root)),e},create(r,e=438){return e&=4095,e|=32768,n.mknod(r,e,0)},mkdir(r,e=511){return e&=1023,e|=16384,n.mknod(r,e,0)},mkdirTree(r,e){var t=r.split("/"),o="";for(var i of t)if(i){(o||P.isAbs(r))&&(o+="/"),o+=i;try{n.mkdir(o,e)}catch(a){if(a.errno!=20)throw a}}},mkdev(r,e,t){return typeof t>"u"&&(t=e,e=438),e|=8192,n.mknod(r,e,t)},symlink(r,e){if(!jr.resolve(r))throw new n.ErrnoError(44);var t=n.lookupPath(e,{parent:!0}),o=t.node;if(!o)throw new n.ErrnoError(44);var i=P.basename(e),a=n.mayCreate(o,i);if(a)throw new n.ErrnoError(a);if(!o.node_ops.symlink)throw new n.ErrnoError(63);return o.node_ops.symlink(o,i,r)},rename(r,e){var t=P.dirname(r),o=P.dirname(e),i=P.basename(r),a=P.basename(e),u,s,p;if(u=n.lookupPath(r,{parent:!0}),s=u.node,u=n.lookupPath(e,{parent:!0}),p=u.node,!s||!p)throw new n.ErrnoError(44);if(s.mount!==p.mount)throw new n.ErrnoError(75);var m=n.lookupNode(s,i),R=jr.relative(r,o);if(R.charAt(0)!==".")throw new n.ErrnoError(28);if(R=jr.relative(e,t),R.charAt(0)!==".")throw new n.ErrnoError(55);var Q;try{Q=n.lookupNode(p,a)}catch{}if(m!==Q){var D=n.isDir(m.mode),M=n.mayDelete(s,i,D);if(M)throw new n.ErrnoError(M);if(M=Q?n.mayDelete(p,a,D):n.mayCreate(p,a),M)throw new n.ErrnoError(M);if(!s.node_ops.rename)throw new n.ErrnoError(63);if(n.isMountpoint(m)||Q&&n.isMountpoint(Q))throw new n.ErrnoError(10);if(p!==s&&(M=n.nodePermissions(s,"w"),M))throw new 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