fix pr

.eslintrc.cjs

@@ -4,12 +4,17 @@ module.exports = {
         es2021: true,
         node: true,
     },
-    extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended'],
+    extends: [
+        'eslint:recommended',
+        'plugin:@typescript-eslint/recommended-type-checked',
+        // 'plugin:@typescript-eslint/stylistic-type-checked',
+    ],
     overrides: [],
     parser: '@typescript-eslint/parser',
     parserOptions: {
         ecmaVersion: 'latest',
         sourceType: 'module',
+        project: true,
     },
     plugins: ['@typescript-eslint'],
     rules: {

lib/client.ts

@@ -262,7 +262,7 @@ export class DiscogsClient {
                 }
                 callback(err, data, rateLimit);
             })
-            .catch(err => {
+            .catch((err: Error) => {
                 callback(err);
             });
     }

lib/util.ts

@@ -43,11 +43,20 @@ export function escape(str: string): string {
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export function merge(target: Record<any, any>, source: Record<any, any>): Record<any, any> {
     for (const key in source) {
-        if (source[key] && typeof source[key] === 'object') {
-            target[key] = merge(Array.isArray(source[key]) ? [] : {}, source[key]);
+        // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+        const value = source[key];
+        if (isObject(value)) {
+            target[key] = merge(Array.isArray(value) ? [] : {}, value);
         } else {
-            target[key] = source[key];
+            // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+            target[key] = value;
         }
     }
     return target;
 }
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function isObject(value: any): value is object {
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
+    return value && typeof value === 'object';
+}