From 6293b4bbe0d03be2a85c5badbf440e063011b8a6 Mon Sep 17 00:00:00 2001
From: filtered <176114999+webfiltered@users.noreply.github.com>
Date: Fri, 18 Apr 2025 23:22:28 +1000
Subject: [PATCH] Disconnect moved output links when dropped on canvas (#936)

- Resolves #884
---
 src/canvas/LinkConnector.ts            | 6 ++++++
 test/LinkConnector.integration.test.ts | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/src/canvas/LinkConnector.ts b/src/canvas/LinkConnector.ts
index 7a0f862f8..cf3dafbe3 100644
--- a/src/canvas/LinkConnector.ts
+++ b/src/canvas/LinkConnector.ts
@@ -446,6 +446,12 @@ export class LinkConnector {
           link.inputNode.disconnectInput(link.inputIndex, true)
         }
       }
+    } else if (this.state.connectingTo === "output") {
+      for (const link of this.renderLinks) {
+        if (link instanceof MovingOutputLink) {
+          link.outputNode.disconnectOutput(link.outputIndex, link.inputNode)
+        }
+      }
     }
   }
 
diff --git a/test/LinkConnector.integration.test.ts b/test/LinkConnector.integration.test.ts
index 1ff112b82..f7ca98bb8 100644
--- a/test/LinkConnector.integration.test.ts
+++ b/test/LinkConnector.integration.test.ts
@@ -499,6 +499,9 @@ describe("LinkConnector Integration", () => {
       expect(connector.isRerouteValidDrop(reroute7)).toBe(false)
       expect(connector.isRerouteValidDrop(reroute10)).toBe(false)
       expect(connector.isRerouteValidDrop(reroute13)).toBe(false)
+
+      // Prevent link disconnect when dropped on canvas (just for this test)
+      connector.events.addEventListener("dropped-on-canvas", e => e.preventDefault(), { once: true })
       connector.dropLinks(graph, reroute7Event)
       connector.reset()