Customize edge curves.

lynxkite-app/web/package-lock.json

@@ -30,6 +30,7 @@
         "react-error-boundary": "^5.0.0",
         "react-markdown": "^9.0.1",
         "react-router-dom": "^7.5.2",
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         "y-monaco": "^0.1.6",
@@ -1209,6 +1210,114 @@
         "node": ">=18"
       }
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     "node_modules/@reactivedata/react": {
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+        "@types/d3-ease": "*",
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+        "@types/d3-interpolate": "*",
+        "@types/d3-path": "*",
+        "@types/d3-polygon": "*",
+        "@types/d3-quadtree": "*",
+        "@types/d3-random": "*",
+        "@types/d3-scale": "*",
+        "@types/d3-scale-chromatic": "*",
+        "@types/d3-selection": "*",
+        "@types/d3-shape": "*",
+        "@types/d3-time": "*",
+        "@types/d3-time-format": "*",
+        "@types/d3-timer": "*",
+        "@types/d3-transition": "*",
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+        "@reactflow/minimap": "11.7.14",
+        "@reactflow/node-resizer": "2.2.14",
+        "@reactflow/node-toolbar": "1.3.14"
+      },
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17"
+      }
+    },
+    "node_modules/reactflow-better-bezier-edge": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/reactflow-better-bezier-edge/-/reactflow-better-bezier-edge-1.0.3.tgz",
+      "integrity": "sha512-itPANaL5bwvV0oin6y+kGWDkJFBg9yOGRA8De14v/ljKHI/zeBZdn/FVmVCDBxHPVvBtp93QOGX4AfCmmzxaLA==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": ">=17",
+        "react-dom": ">=17",
+        "reactflow": ">=11",
+        "typescript": ">=4.6"
+      }
+    },
     "node_modules/read-cache": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/read-cache/-/read-cache-1.0.0.tgz",
@@ -6943,7 +7319,6 @@
       "version": "5.6.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.6.3.tgz",
       "integrity": "sha512-hjcS1mhfuyi4WW8IWtjP7brDrG2cuDZukyrYrSauoXGNgx0S7zceP07adYkJycEr56BOUTNPzbInooiN3fn1qw==",
-      "devOptional": true,
       "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc",

lynxkite-app/web/package.json

@@ -33,6 +33,7 @@
     "react-error-boundary": "^5.0.0",
     "react-markdown": "^9.0.1",
     "react-router-dom": "^7.5.2",
+    "reactflow-better-bezier-edge": "^1.0.3",
     "swr": "^2.2.5",
     "unplugin-icons": "^0.21.0",
     "y-monaco": "^0.1.6",

lynxkite-app/web/src/workspace/LynxKiteEdge.tsx

@@ -0,0 +1,28 @@
+import { BaseEdge } from "@xyflow/react";
+import { getBetterBezierPath } from "reactflow-better-bezier-edge";
+
+export default function LynxKiteEdge(props: any) {
+  const [edgePath] = getBetterBezierPath({
+    sourceX: props.sourceX,
+    sourceY: props.sourceY,
+    sourcePosition: props.sourcePosition,
+    targetX: props.targetX,
+    targetY: props.targetY,
+    targetPosition: props.targetPosition,
+    offset: 0.3 * Math.hypot(props.targetX - props.sourceX, props.targetY - props.sourceY),
+  });
+
+  return (
+    <>
+      <BaseEdge
+        id={props.id}
+        path={edgePath}
+        {...props}
+        style={{
+          strokeWidth: 2,
+          stroke: "black",
+        }}
+      />
+    </>
+  );
+}

lynxkite-app/web/src/workspace/Workspace.tsx

@@ -34,6 +34,7 @@ import favicon from "../assets/favicon.ico";
 import { usePath } from "../common.ts";
 // import NodeWithTableView from './NodeWithTableView';
 import EnvironmentSelector from "./EnvironmentSelector";
+import LynxKiteEdge from "./LynxKiteEdge.tsx";
 import { LynxKiteState } from "./LynxKiteState";
 import NodeSearch, { type OpsOp, type Catalog, type Catalogs } from "./NodeSearch.tsx";
 import NodeWithGraphCreationView from "./nodes/GraphCreationNode.tsx";
@@ -186,6 +187,12 @@ function LynxKiteFlow() {
     }),
     [],
   );
+  const edgeTypes = useMemo(
+    () => ({
+      default: LynxKiteEdge,
+    }),
+    [],
+  );
 
   // Global keyboard shortcuts.
   useEffect(() => {
@@ -374,6 +381,7 @@ function LynxKiteFlow() {
             nodes={nodes}
             edges={edges}
             nodeTypes={nodeTypes}
+            edgeTypes={edgeTypes}
             fitView
             onNodesChange={onNodesChange}
             onEdgesChange={onEdgesChange}