feat(performance): investment performance vs Moscow Exchange index (WealthLedger/main#54) (#200)

src/modules/investments/portfolio/domain/complete-valuation.ts

@@ -0,0 +1,13 @@
+type Valuation = {
+  positions: { currentValue: unknown }[];
+  totalsByCurrency: unknown[];
+};
+
+const MIN_TOTALS_COUNT = 0;
+
+export function isCompleteValuation(
+  snapshot: Valuation,
+): boolean {
+  return snapshot.totalsByCurrency.length > MIN_TOTALS_COUNT &&
+    snapshot.positions.every((position) => position.currentValue !== null);
+}