add opacity to nodeview for strangeness repr

src/store/utils.js

@@ -146,3 +146,12 @@ export function getRelation (node) {
   }
   return { parentId: node.id }
 }
+
+
+export function getStrangenessOpacity (currentStrangeness, node) {
+  if (currentStrangeness === undefined) return 1
+  const strangeness = (
+    node.type === 'prod' && node.parents && node.parents.length ? node.parents[0] : node
+  ).strangeness
+  return 1 / (Math.abs(strangeness - currentStrangeness) + 1)
+}