1 files changed, 22 insertions, 0 deletions
diff --git a/src/stores.js b/src/stores.js
new file mode 100644
index 0000000..f203bfd
--- /dev/null
+++ b/src/stores.js
@@ -0,0 +1,22 @@
+import { writable } from "svelte/store";
+
+const localStorage = window.localStorage;
+
+export const level = localStorageStore(0);
+
+function localStorageStore(key) {
+  const item = localStorage.getItem(key);
+  const { subscribe, set } = writable(JSON.parse(item) || null);
+
+  return {
+    subscribe,
+    set: (value) => {
+      localStorage.setItem(key, JSON.stringify(value));
+      set(value);
+    },
+    clear: () => {
+      localStorage.removeItem(key);
+      set(null);
+    },
+  };
+}