Backmerge: #2865 – Incorrect display of carbon in attachment points f…

…or functional groups (#2871)
epam · Jul 5, 2023 · eb96da3 · eb96da3
1 parent e28af7b
commit eb96da3
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/packages/ketcher-core/src/application/render/restruct/reatom.ts b/packages/ketcher-core/src/application/render/restruct/reatom.ts
@@ -645,6 +645,8 @@ function shouldDisplayStereoLabel(
 }
 
 function isLabelVisible(restruct, options, atom) {
+  const isAttachmentPointAtom = atom.a.attpnt != null
+  const isCarbon = atom.a.label.toLowerCase() === 'c'
   const visibleTerminal =
     options.showHydrogenLabels !== ShowHydrogenLabels.Off &&
     options.showHydrogenLabels !== ShowHydrogenLabels.Hetero
@@ -653,6 +655,10 @@ function isLabelVisible(restruct, options, atom) {
     atom.a.neighbors.length === 0 ||
     (atom.a.neighbors.length < 2 && visibleTerminal)
 
+  if (isAttachmentPointAtom && atom.a.neighbors.length > 0 && isCarbon) {
+    return false
+  }
+
   const shouldBeVisible =
     neighborsLength ||
     options.carbonExplicitly ||