1 files changed, 66 insertions, 0 deletions
diff --git a/src/stores/stateBin.ts b/src/stores/stateBin.ts
new file mode 100644
index 00000000..6c664f71
--- /dev/null
+++ b/src/stores/stateBin.ts
@@ -0,0 +1,66 @@
+import { browser } from '$app/environment';
+import { writable, get, type Writable } from 'svelte/store';
+
+type StateBin = Record<string, unknown>;
+
+const STORAGE_KEY = 'stateBin';
+const defaultState: StateBin = {};
+
+function createStateBin() {
+  const initialState: StateBin = browser
+    ? JSON.parse(localStorage.getItem(STORAGE_KEY) ?? '{}')
+    : defaultState;
+  const store: Writable<StateBin> = writable(initialState);
+
+  const writeToStorage = (val: StateBin) => {
+    if (browser)
+      try {
+        localStorage.setItem(STORAGE_KEY, JSON.stringify(val));
+      } catch (error) {
+        console.error('Failed to write stateBin:', error);
+      }
+  };
+
+  return {
+    subscribe: store.subscribe,
+
+    set: (value) => {
+      writeToStorage(value);
+      store.set(value);
+    },
+
+    update: (updateFunction) => {
+      const updatedStore = updateFunction(get(store));
+
+      writeToStorage(updatedStore);
+      store.set(updatedStore);
+    },
+
+    reset: () => {
+      writeToStorage(defaultState);
+      store.set(defaultState);
+    },
+
+    get: () => get(store),
+
+    setKey: (key: string, value: unknown) => {
+      const currentStore = get(store);
+      const updatedStore = { ...currentStore, [key]: value };
+
+      writeToStorage(updatedStore);
+      store.set(updatedStore);
+    },
+
+    removeKey: (key: string) => {
+      const currentStore = get(store);
+      const { [key]: _, ...rest } = currentStore;
+
+      writeToStorage(rest);
+      store.set(rest);
+    }
+  };
+}
+
+const stateBin = createStateBin();
+
+export default stateBin;