Fix lint checking (#383)

* Fix lint checking

* Create separate rules for examples

Author: ekoleda-codaio

eslint.config.mjs

@@ -20,13 +20,13 @@ const compat = new FlatCompat({
 });
 
 export default [...compat.extends("./tools/eslint/base_rules.js"), {
+    files: ["**/*.ts"],
+
     plugins: {
         ban,
         filenames,
         local,
-        "prefer-let": preferLet,
         "@typescript-eslint": typescriptEslint,
-        prettier,
     },
 
     languageOptions: {
@@ -47,11 +47,21 @@ export default [...compat.extends("./tools/eslint/base_rules.js"), {
         },
     },
 
-    settings: {},
-
     rules: {
         "@typescript-eslint/restrict-plus-operands": "error",
+    },
 
+    settings: {},
+}, {
+    files: ["examples/**/*.ts"],
+
+    plugins: {
+        "prefer-let": preferLet,
+        "@typescript-eslint": typescriptEslint,
+        prettier,
+    },
+    
+    rules: {
         "@typescript-eslint/no-unused-vars": ["error", {
             varsIgnorePattern: "_.*|response|datasourceUrl|MySchema",
             argsIgnorePattern: "_.*|context|param",
@@ -103,4 +113,4 @@ export default [...compat.extends("./tools/eslint/base_rules.js"), {
     rules: {
         "@typescript-eslint/consistent-type-imports": "off",
     },
-}];
+}];

lib/test_utils.ts

@@ -1,4 +1,4 @@
-import {assert} from "chai";
+import {assert} from 'chai';
 
 export async function willBeRejected<ErrorT = any>(
   promise: Promise<any>,
@@ -9,7 +9,7 @@ export async function willBeRejected<ErrorT = any>(
     return err;
   }
 
-  throw new Error("Promise unexpectedly resolved");
+  throw new Error('Promise unexpectedly resolved');
 }
 
 export async function willBeRejectedWith<T, ErrorT = any>(
@@ -18,7 +18,7 @@ export async function willBeRejectedWith<T, ErrorT = any>(
 ): Promise<ErrorT> {
   const error = await willBeRejected(promise);
   if (matcher) {
-    assert.match(error, matcher, "Promise was rejected with unexpected error.");
+    assert.match(error, matcher, 'Promise was rejected with unexpected error.');
   }
   return error as ErrorT;
 }