From 905e3010e6469cf1f9798e074b82394ae0a0f842 Mon Sep 17 00:00:00 2001
From: Ethan O'Brien <77750390+ethanaobrien@users.noreply.github.com>
Date: Thu, 1 Feb 2024 13:31:36 -0600
Subject: [PATCH] Add ability to disable indexeddb

---
 data/emulator.js | 19 ++++++++++++++-----
 data/loader.js   |  1 +
 data/storage.js  | 21 +++++++++++++++++++++
 index.html       |  1 +
 4 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/data/emulator.js b/data/emulator.js
index 15b766e..83c3f97 100644
--- a/data/emulator.js
+++ b/data/emulator.js
@@ -304,11 +304,20 @@ class EmulatorJS {
             return check;
         })();
         this.isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
-        this.storage = {
-            rom: new window.EJS_STORAGE("EmulatorJS-roms", "rom"),
-            bios: new window.EJS_STORAGE("EmulatorJS-bios", "bios"),
-            core: new window.EJS_STORAGE("EmulatorJS-core", "core"),
-            states: new window.EJS_STORAGE("EmulatorJS-states", "states")
+        if (config.disableDatabases) {
+            this.storage = {
+                rom: new window.EJS_DUMMYSTORAGE(),
+                bios: new window.EJS_DUMMYSTORAGE(),
+                core: new window.EJS_DUMMYSTORAGE(),
+                states: new window.EJS_DUMMYSTORAGE()
+            }
+        } else {
+            this.storage = {
+                rom: new window.EJS_STORAGE("EmulatorJS-roms", "rom"),
+                bios: new window.EJS_STORAGE("EmulatorJS-bios", "bios"),
+                core: new window.EJS_STORAGE("EmulatorJS-core", "core"),
+                states: new window.EJS_STORAGE("EmulatorJS-states", "states")
+            }
         }
         
         this.game.classList.add("ejs_game");
diff --git a/data/loader.js b/data/loader.js
index b079806..0bb7200 100644
--- a/data/loader.js
+++ b/data/loader.js
@@ -109,6 +109,7 @@
     config.softLoad = window.EJS_softLoad;
     config.screenRecording = window.EJS_screenRecording;
     config.externalFiles = window.EJS_externalFiles;
+    config.disableDatabases = window.EJS_disableDatabases;
     
     if (typeof window.EJS_language === "string" && window.EJS_language !== "en-US") {
         try {
diff --git a/data/storage.js b/data/storage.js
index b4121c0..d7da688 100644
--- a/data/storage.js
+++ b/data/storage.js
@@ -101,4 +101,25 @@ class EJS_STORAGE {
         })
     }
 }
+
+class EJS_DUMMYSTORAGE {
+    constructor() {}
+    addFileToDB() {
+        return new Promise(resolve => resolve());
+    }
+    get() {
+        return new Promise(resolve => resolve());
+    }
+    put() {
+        return new Promise(resolve => resolve());
+    }
+    remove() {
+        return new Promise(resolve => resolve());
+    }
+    getSizes() {
+        return new Promise(resolve => resolve({}));
+    }
+}
+
 window.EJS_STORAGE = EJS_STORAGE;
+window.EJS_DUMMYSTORAGE = EJS_DUMMYSTORAGE;
diff --git a/index.html b/index.html
index 912b70e..fe6b85f 100644
--- a/index.html
+++ b/index.html
@@ -231,6 +231,7 @@
                 window.EJS_pathtodata = "data/";
                 window.EJS_startOnLoaded = true;
                 window.EJS_DEBUG_XX = enableDebug;
+                window.EJS_disableDatabases = true;
 
                 script.src = "data/loader.js";
                 document.body.appendChild(script);