Add risk charts

Signed-off-by: Bryan Frimin <bryan@getprobo.com>
Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

packages/helpers/src/array.ts

@@ -0,0 +1,20 @@
+export function times<T>(n: number, cb: (i: number) => T): T[] {
+    return Array.from({ length: n }, (_, i) => cb(i));
+}
+
+export function groupBy<T>(
+    arr: T[],
+    key: (item: T) => string,
+): Record<string, T[]> {
+    return arr.reduce(
+        (acc, item) => {
+            const k = key(item);
+            if (!acc[k]) {
+                acc[k] = [];
+            }
+            acc[k].push(item);
+            return acc;
+        },
+        {} as Record<string, T[]>,
+    );
+}