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cool-unix/cool/hooks/cache.ts

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+import { reactive, watch } from "vue";
+import { isDark } from "../theme";
+
+type CacheData = {
+	key: number;
+};
+
+type UseCache = {
+	cache: CacheData;
+};
+
+export const useCache = (source: () => any[]): UseCache => {
+	const cache = reactive<CacheData>({
+		key: 0
+	});
+
+	watch(source, () => {
+		cache.key++;
+	});
+
+	watch(isDark, () => {
+		cache.key++;
+	});
+
+	return {
+		cache
+	};
+};