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import { Handle, NodeResizeControl, type Position, useReactFlow } from "@xyflow/react";
import { ErrorBoundary } from "react-error-boundary";
// @ts-ignore
import ChevronDownRight from "~icons/tabler/chevron-down-right.jsx";
// @ts-ignore
import Skull from "~icons/tabler/skull.jsx";
interface LynxKiteNodeProps {
id: string;
width: number;
height: number;
nodeStyle: any;
data: any;
children: any;
}
function getHandles(inputs: object, outputs: object) {
const handles: {
position: "top" | "bottom" | "left" | "right";
name: string;
index: number;
offsetPercentage: number;
showLabel: boolean;
type: "source" | "target";
}[] = [];
for (const e of Object.values(inputs)) {
handles.push({ ...e, type: "target" });
}
for (const e of Object.values(outputs)) {
handles.push({ ...e, type: "source" });
}
const counts = { top: 0, bottom: 0, left: 0, right: 0 };
for (const e of handles) {
e.index = counts[e.position];
counts[e.position]++;
}
for (const e of handles) {
e.offsetPercentage = (100 * (e.index + 1)) / (counts[e.position] + 1);
const simpleHorizontal = counts.top === 0 && counts.bottom === 0 && handles.length <= 2;
const simpleVertical = counts.left === 0 && counts.right === 0 && handles.length <= 2;
e.showLabel = !simpleHorizontal && !simpleVertical;
}
return handles;
}
function LynxKiteNodeComponent(props: LynxKiteNodeProps) {
const reactFlow = useReactFlow();
const data = props.data;
const expanded = !data.collapsed;
const handles = getHandles(data.meta?.inputs || {}, data.meta?.outputs || {});
function titleClicked() {
reactFlow.updateNodeData(props.id, { collapsed: expanded });
}
const handleOffsetDirection = {
top: "left",
bottom: "left",
left: "top",
right: "top",
};
return (
<div
className={`node-container ${expanded ? "expanded" : "collapsed"} `}
style={{
width: props.width || 200,
height: expanded ? props.height || 200 : undefined,
}}
>
<div className="lynxkite-node" style={props.nodeStyle}>
<div className={`title bg-primary ${data.status}`} onClick={titleClicked}>
{data.title}
{data.error && <span className="title-icon">⚠️</span>}
{expanded || <span className="title-icon">⋯</span>}
</div>
{expanded && (
<>
{data.error && <div className="error">{data.error}</div>}
<ErrorBoundary
fallback={
<p className="error" style={{ display: "flex", alignItems: "center", gap: 8 }}>
<Skull style={{ fontSize: 20 }} />
Failed to display this node.
</p>
}
>
{props.children}
</ErrorBoundary>
<NodeResizeControl
minWidth={100}
minHeight={50}
style={{ background: "transparent", border: "none" }}
>
<ChevronDownRight className="node-resizer" />
</NodeResizeControl>
</>
)}
{handles.map((handle) => (
<Handle
key={handle.name}
id={handle.name}
type={handle.type}
position={handle.position as Position}
style={{
[handleOffsetDirection[handle.position]]: `${handle.offsetPercentage}% `,
}}
>
{handle.showLabel && (
<span className="handle-name">{handle.name.replace(/_/g, " ")}</span>
)}
</Handle>
))}
</div>
</div>
);
}
export default function LynxKiteNode(Component: React.ComponentType<any>) {
return (props: any) => {
return (
<LynxKiteNodeComponent {...props}>
<Component {...props} />
</LynxKiteNodeComponent>
);
};
}
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