From 1b16bdb00e896f62ee379777f7224a156e16004f Mon Sep 17 00:00:00 2001
From: Thibault Malbranche <malbranche.thibault@gmail.com>
Date: Wed, 15 Sep 2021 17:45:47 +0200
Subject: [PATCH 1/3] feat(MMKVWrapper): Added new storage wrapper

Added storage wrapper for react-native-mmkv.
Storage wrapper already existed for another mmvk lib, but they don't have the same interface
---
 src/storageWrappers/MMKVWrapper.ts | 46 ++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/storageWrappers/MMKVWrapper.ts

diff --git a/src/storageWrappers/MMKVWrapper.ts b/src/storageWrappers/MMKVWrapper.ts
new file mode 100644
index 00000000..79429659
--- /dev/null
+++ b/src/storageWrappers/MMKVWrapper.ts
@@ -0,0 +1,46 @@
+import { PersistentStorage } from '../types';
+
+/**
+ * Wrapper for react-native-mmkv.
+ * See [https://github.com/mrousavy/react-native-mmkv](https://github.com/mrousavy/react-native-mmkv) for installation instructions.
+ *
+ * @example
+ * const storage = new MMKV();
+ * const persistor = new CachePersistor({
+ *   cache,
+ *   storage: new MMKVWrapper(storage),
+ * });
+ *
+ */
+export class MMKVWrapper implements PersistentStorage<string | null> {
+  private storage;
+
+  constructor(storage: MMKVInterface) {
+    this.storage = storage;
+  }
+
+  getItem(key: string): string | null {
+    return this.storage.getString(key) || null;
+  }
+
+  removeItem(key: string): void {
+    return this.storage.delete(key);
+  }
+
+  setItem(key: string, value: string | null): void {
+    if (value !== null) {
+      return this.storage.set(key, value);
+    }
+    return this.removeItem(key);
+  }
+}
+
+interface MMKVInterface {
+    set: (key: string, value: boolean | string | number) => void;
+    getBoolean: (key: string) => boolean;
+    getString: (key: string) => string | undefined;
+    getNumber: (key: string) => number;
+    delete: (key: string) => void;
+    getAllKeys: () => string[];
+    clearAll: () => void;
+}

From aaac616a4549ddda88f37996e336add7d57b04bf Mon Sep 17 00:00:00 2001
From: Thibault Malbranche <malbranche.thibault@gmail.com>
Date: Wed, 15 Sep 2021 17:49:35 +0200
Subject: [PATCH 2/3] Update storage-providers.md

---
 docs/storage-providers.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/storage-providers.md b/docs/storage-providers.md
index 17cd4c2b..d29e2ad1 100644
--- a/docs/storage-providers.md
+++ b/docs/storage-providers.md
@@ -17,6 +17,7 @@
 | [`localForage`](https://github.com/localForage/localForage)                     | web            | `LocalForageWrapper`    |
 | [`Ionic storage`](https://ionicframework.com/docs/building/storage)             | web and mobile | `IonicStorageWrapper`   |
 | [`MMKV Storage`](https://github.com/ammarahm-ed/react-native-mmkv-storage)      | React Native   | `MMKVStorageWrapper`    |
+| [`MMKV`](https://github.com/mrousavy/react-native-mmkv)                         | React Native   | `MMKVWrapper`           |
 
 
 ## Redux Persist Providers

From e3dbe4c4f76f44f0931349553ea715d6750372fd Mon Sep 17 00:00:00 2001
From: Thibault Malbranche <malbranche.thibault@gmail.com>
Date: Fri, 17 Sep 2021 10:03:38 +0200
Subject: [PATCH 3/3] Update index.ts

---
 src/storageWrappers/index.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/storageWrappers/index.ts b/src/storageWrappers/index.ts
index 55e686c2..38383427 100644
--- a/src/storageWrappers/index.ts
+++ b/src/storageWrappers/index.ts
@@ -3,4 +3,5 @@ export * from './IonicStorageWrapper';
 export * from './LocalForageWrapper';
 export * from './LocalStorageWrapper';
 export * from './MMKVStorageWrapper';
+export * from './MMKVWrapper';
 export * from './SessionStorageWrapper';