feat: migrate to typescript

.gitignore

@@ -24,3 +24,4 @@ test/auth/*
 
 /chai.js
 /chai.cjs
+/lib

eslint.config.js

@@ -1,11 +1,13 @@
 import jsdoc from "eslint-plugin-jsdoc";
+import {configs as tseslintConfigs} from 'typescript-eslint';
 import eslintjs from "@eslint/js";
 
 const {configs: eslintConfigs} = eslintjs;
 
 export default [
   jsdoc.configs["flat/recommended"],
   eslintConfigs["recommended"],
+  ...tseslintConfigs.recommended,
   {
     languageOptions: {
       // if we ever use more globals than this, pull in the `globals` package
@@ -17,10 +19,16 @@ export default [
       "jsdoc/require-param-description": "off",
       "jsdoc/require-returns-description": "off",
       "jsdoc/tag-lines": ["error", "any", { startLines: 1 }],
-      "no-unused-vars": ["error", {
-        argsIgnorePattern: "^_",
-        caughtErrorsIgnorePattern: "^_"
-      }]
+
+      // temporary until we do a cleanup
+      "no-var": "off",
+      "@typescript-eslint/no-unsafe-function-type": "off",
+      "prefer-rest-params": "off",
+      "@typescript-eslint/no-unused-expressions": "off",
+      "@typescript-eslint/no-unused-vars": ["error", {
+        "argsIgnorePattern": "^_",
+        "caughtErrorsIgnorePattern": "^_"
+      }],
     },
   },
 ];