diff --git a/todoblue/src/app/board/[board]/groupAndSortTasks.ts b/todoblue/src/app/board/[board]/groupAndSortTasks.ts
new file mode 100644
index 0000000..e3d56ef
--- /dev/null
+++ b/todoblue/src/app/board/[board]/groupAndSortTasks.ts
@@ -0,0 +1,20 @@
+import {Task} from "@/app/board/[board]/types"
+
+
+export function groupAndSortTasks(tasks: Task[], grouping: (a: Task) => string, sorting: (a: Task, b: Task) => number) {
+	const groups: {[group: string]: Task[]} = {}
+
+	for(const task of tasks) {
+		const group = grouping(task);
+		if(!groups[group]) {
+			groups[group] = [];
+		}
+		groups[group].push(task);
+	}
+
+	for(const group of Object.keys(groups)) {
+		groups[group].sort(sorting);
+	}
+
+	return groups;
+}