Merge pull request #94 from taiga-family/connection-deletion-event

feat: added an event that is sent when connections are deleted …

projects/ng-draw-flow/src/lib/components/scene/scene.component.ts

@@ -111,6 +111,8 @@ export class SceneComponent implements ControlValueAccessor, OnInit {
             target: deletedNode,
             model: this.model,
         });
+
+        this.emitConnectionDeletedByNodeId(key);
         this.connectionsService.removeConnectionsByNodeId(key);
     }
 
@@ -161,6 +163,18 @@ export class SceneComponent implements ControlValueAccessor, OnInit {
             });
     }
 
+    private emitConnectionDeletedByNodeId(nodeId: string): void {
+        this.connectionsService.connections$.value
+            .filter(
+                (connection) =>
+                    connection.source.nodeId === nodeId ||
+                    connection.target.nodeId === nodeId,
+            )
+            ?.forEach((connection) =>
+                this.connectionDeleted.emit({target: connection, model: this.model}),
+            );
+    }
+
     // @ts-ignore
     private onChange: (value: DfDataModel) => void = (_: DfDataModel) => {};
     // @ts-ignore