Add the ability to update BepInEx

main.js

@@ -208,9 +208,13 @@ function saveBepinexVersion(version) {
 }
 
 ipcMain.handle("load-bepinex-version", () => {
+    return loadBepinexVersion();
+});
+
+function loadBepinexVersion() {
     bepinexVersion = bepinexStore.get("bepinex-version");
     return bepinexVersion;
-});
+}
 
 function saveBepinexBackupVersion(version) {
     bepinexBackupVersion = version;
@@ -377,8 +381,6 @@ async function installBepinex() {
         saveBepinexVersion(bepinexBackupVersion);
         saveBepinexBackupVersion(undefined);
     } else {
-        mainWindow.webContents.send("showToast", "Installing Bepinex from Github");
-
         const GITHUB_URL = "https://api.github.com/repos/bepinex/bepinex/releases/latest";
 
         const res = await fetch(GITHUB_URL, {
@@ -397,6 +399,14 @@ async function installBepinex() {
 
         const release = await res.json();
 
+        if (loadBepinexVersion() == release.tag_name) {
+            mainWindow.webContents.send("showToast", "No new BepInEx update.");
+            return;
+        }
+        mainWindow.webContents.send("showToast", "Installing Bepinex from Github");
+
+        await uninstallBepinex();
+
         let asset;
         if (process.platform === "win32") {
             asset = release.assets.find((a) => a.name.endsWith(".zip") && a.name.toLowerCase().includes("win_x64"));

renderer/index.html

@@ -281,7 +281,7 @@
             <p class="transparent-text" id="bepinex-version-text"></p>
             <br />
             <div class="horizontal-div">
-                <button class="default-button" onclick="installBepinex()">Install</button>
+                <button id="install-bepinex-button" class="default-button" onclick="installBepinex()">Install</button>
                 <button class="important-button" onclick="uninstallBepinex()">Uninstall</button>
                 <button class="default-button" onclick="backupBepinex()">Backup</button>
                 <button class="important-button" onclick="deleteBepinexBackup()">Delete Backup</button>

renderer/renderer.js

@@ -589,6 +589,7 @@ async function deleteBepinexBackup() {
 
 async function setBepinexVersion() {
     const bepinexVersionText = document.getElementById("bepinex-version-text");
+    const bepinexInstallButton = document.getElementById("install-bepinex-button");
     if (bepinexVersionText == undefined) {
         return;
     }
@@ -601,8 +602,10 @@ async function setBepinexVersion() {
         } else {
             bepinexVersionText.innerText = `BepInEx ${bepinexBackupVersion} is backed up`;
         }
+        bepinexInstallButton.innerText = "Install";
     } else {
         bepinexVersionText.innerText = `BepInEx ${bepinexVersion} is installed`;
+        bepinexInstallButton.innerText = "Update";
     }
 }