1 files changed, 45 insertions, 0 deletions
diff --git a/server/tools/src/recipe_diagram.rs b/server/tools/src/recipe_diagram.rs
index 2ed0179f..958e5aa9 100644
--- a/server/tools/src/recipe_diagram.rs
+++ b/server/tools/src/recipe_diagram.rs
@@ -125,5 +125,50 @@ pub(crate) fn recipe_diagram(
         }
     }
 
+    remove_instant_intermediate(&mut diag);
+
     Ok(diag)
 }
+
+pub fn remove_instant_intermediate(diag: &mut Diagram) {
+    let instant_nodes = diag
+        .nodes
+        .iter()
+        .enumerate()
+        .filter(|(_, n)| matches!(n.style, NodeStyle::ProcessInstant))
+        .map(|(i, _)| i)
+        .collect::<Vec<_>>();
+
+    for ni in instant_nodes {
+        let inputs = diag
+            .edges
+            .iter()
+            .enumerate()
+            .filter(|(_, e)| e.dst == ni)
+            .map(|(i, e)| (i, e.src))
+            .collect::<Vec<_>>();
+        let outputs = diag
+            .edges
+            .iter()
+            .enumerate()
+            .filter(|(_, e)| e.src == ni)
+            .map(|(i, e)| (i, e.dst))
+            .collect::<Vec<_>>();
+
+        if inputs.len() == 1 && outputs.len() == 1 {
+            // order remove because index changes
+            if inputs[0].0 > outputs[0].0 {
+                diag.edges.remove(inputs[0].0);
+                diag.edges.remove(outputs[0].0);
+            } else {
+                diag.edges.remove(outputs[0].0);
+                diag.edges.remove(inputs[0].0);
+            }
+            diag.edges.push(DiagramEdge {
+                src: inputs[0].1,
+                dst: outputs[0].1,
+                label: None,
+            });
+        }
+    }
+}