1 files changed, 12 insertions, 0 deletions
diff --git a/gui/src/util/groupCategories.ts b/gui/src/util/groupCategories.ts
new file mode 100644
index 0000000..a0336ea
--- /dev/null
+++ b/gui/src/util/groupCategories.ts
@@ -0,0 +1,12 @@
+import { Category } from "../types/category";
+import { Group } from "../types/group";
+
+export function* groupCategories(categories: Category[]): Generator<Group> {
+  const groupNames = new Set(categories.map(c => c.groupName));
+  for (const name of groupNames) {
+    yield {
+      name,
+        categories: categories.filter(c => c.groupName === name)
+    };
+  }
+}