Migrate codebase to TypeScript

babel.config.js → babel.config.ts

@@ -1,2 +1,2 @@
-//babel.config.js
+//babel.config.ts
 module.exports = { presets: ["@babel/preset-env"] };

eslint.config.mjs

@@ -25,7 +25,10 @@ export default defineConfig([
   },
   {
     rules: {
-      "@typescript-eslint/no-unused-vars": ["error", { argsIgnorePattern: "^_", varsIgnorePattern: "^_" }],
+      "prefer-const": "off",
+      "no-var": "warn",
+      "@typescript-eslint/no-unused-vars": ["warn", { argsIgnorePattern: "^_", varsIgnorePattern: "^_" }],
+      "@typescript-eslint/no-explicit-any": "off",
     },
   },
   pluginReact.configs.flat.recommended,

global.d.ts

@@ -0,0 +1,7 @@
+// Extend the Window interface to include the kopiaUI property
+declare interface Window {
+  kopiaUI?: {
+    selectDirectory?: (callback: (path: string) => void) => void;
+    browseDirectory?;
+  };
+}