Update code to typescript

eslint.config.js

@@ -0,0 +1,30 @@
+import tseslint from "@typescript-eslint/eslint-plugin";
+import tsparser from "@typescript-eslint/parser";
+import prettier from "eslint-config-prettier";
+
+export default [
+  {
+    files: ["src/**/*.ts"],
+    languageOptions: {
+      parser: tsparser,
+      parserOptions: {
+        ecmaVersion: "latest",
+        sourceType: "module",
+        project: "./tsconfig.json",
+      },
+    },
+    plugins: {
+      "@typescript-eslint": tseslint,
+    },
+    rules: {
+      ...tseslint.configs.recommended.rules,
+      "@typescript-eslint/no-unused-vars": [
+        "warn",
+        { argsIgnorePattern: "^_", varsIgnorePattern: "^_" },
+      ],
+      "@typescript-eslint/no-explicit-any": "warn",
+      "no-console": "off",
+    },
+  },
+  prettier,
+];