From 1ae2da84fe7b93920a8e21cd06549cf57dc2bc0c Mon Sep 17 00:00:00 2001
From: redstonekasi <kasi@hanneskann.de>
Date: Mon, 6 Feb 2023 09:27:20 +0100
Subject: [PATCH] [Backends] Create if file does not exist

---
 src/lib/storage/backends.ts | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/lib/storage/backends.ts b/src/lib/storage/backends.ts
index d8ebb1e..9060709 100644
--- a/src/lib/storage/backends.ts
+++ b/src/lib/storage/backends.ts
@@ -16,9 +16,15 @@ export const createMMKVBackend = (store: string): StorageBackend => ({
   set: (data) => MMKVManager.setItem(store, JSON.stringify(data)),
 });
 
-export const createFileBackend = (file: string): StorageBackend => ({
-  get: async function() {
-    return JSON.parse((await DCDFileManager.readFile(`${DCDFileManager.getConstants().DocumentsDirPath}/${file}`, "utf8")) ?? "{}");
-  },
-  set: (data) => void DCDFileManager.writeFile("documents", filePathFixer(file), JSON.stringify(data), "utf8"),
-});
+export const createFileBackend = (file: string): StorageBackend => {
+  let created: boolean;
+  return {
+    get: async function() {
+      const path = `${DCDFileManager.getConstants().DocumentsDirPath}/${file}`;
+      if (!created && !await DCDFileManager.fileExists(path))
+        return (created = true, DCDFileManager.writeFile("documents", filePathFixer(file), "{}", "utf8"));
+      return JSON.parse((await DCDFileManager.readFile(path, "utf8")));
+    },
+    set: (data) => void DCDFileManager.writeFile("documents", filePathFixer(file), JSON.stringify(data), "utf8"),
+  };
+};