add auto path detection

main.js

@@ -1,6 +1,7 @@
 const { app, BrowserWindow , ipcMain} = require('electron/main');
 const path = require('node:path');
 const Store = require('electron-store').default;
+const fs = require('fs/promises');
 
 const store = new Store();
 
@@ -39,3 +40,16 @@ ipcMain.handle('save-path', (event, path) => {
 ipcMain.handle('load-path', () => {
   return store.get('silksong-path');
 });
+
+async function fileExists(filePath) {
+  try {
+    await fs.access(filePath);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+ipcMain.handle('file-exists', async (_, filePath) => {
+  return await fileExists(filePath);
+});

preload.js

@@ -12,3 +12,7 @@ contextBridge.exposeInMainWorld('save', {
   loadSilksongPath: () =>
     ipcRenderer.invoke('load-path')
 })
+
+contextBridge.exposeInMainWorld('files', {
+  fileExists: (path) => ipcRenderer.invoke('file-exists', path)
+});

renderer/index.html

@@ -83,7 +83,7 @@
   <template id="settings-template">
     <h2>General settings</h2>
     <label for="silksong-path-label">Enter Silksong path: </label>
-    <input type="text" id="silksong-path-input" name="silksong-path-input">
+    <input type="text" id="silksong-path-input" name="silksong-path-input"> <button class="default-button">Auto Dectect</button>
   </template>
 
   <script src="renderer.js"></script>

renderer/renderer.js

@@ -9,6 +9,7 @@ const settingsTemplate = document.getElementById("settings-template");
 const versionText = HomeTemplate.content.getElementById("version-text")
 
 navigate("home")
+autoDetectGamePath()
 
 async function navigate(page) {
   view.replaceChildren()
@@ -37,13 +38,11 @@ async function navigate(page) {
       const settingsTemplateCopy = settingsTemplate.content.cloneNode(true)
       const silksongPathInput = settingsTemplateCopy.getElementById("silksong-path-input")
 
-      silksongPathInput.value = await window.save.loadSilksongPath()
+      silksongPathInput.value = await save.loadSilksongPath()
 
       silksongPathInput.addEventListener('input', async function(event) {
         let silksongPath = silksongPathInput.value
-        console.log(silksongPath)
-        await window.save.saveSilksongPath(silksongPath)
-        console.log(await window.save.loadSilksongPath())
+        await save.saveSilksongPath(silksongPath)
       });
 
       view.appendChild(settingsTemplateCopy)
@@ -53,3 +52,10 @@ async function navigate(page) {
 function launch(mode) {
   alert(`Launching the game in ${mode} mode.`);
 }
+
+async function autoDetectGamePath() {
+  const defaultSilksongPath = "C:/Program Files (x86)/Steam/steamapps/common/Hollow Knight Silksong/Hollow Knight Silksong.exe"
+  if (files.fileExists(defaultSilksongPath)) {
+    await save.saveSilksongPath(defaultSilksongPath)
+  }
+}

renderer/style.css

@@ -134,3 +134,11 @@ body {
 input[type="range"] {
   width: 100%;
 }
+
+.default-button {
+  
+}
+
+.default-button:hover {
+  
+}