do not convert class instances

sindresorhus · Oct 4, 2024 · 8522e9a · 8522e9a
1 parent 1f4b26d
commit 8522e9a
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/index.js b/index.js
@@ -1,4 +1,3 @@
-import {Buffer} from 'node:buffer';
 import mapObject from 'map-obj';
 import camelCase from 'camelcase';
 import QuickLru from 'quick-lru';
@@ -19,10 +18,7 @@ const cache = new QuickLru({maxSize: 100_000});
 const isObject = value =>
 	typeof value === 'object'
 		&& value !== null
-		&& !(value instanceof RegExp)
-		&& !(value instanceof Error)
-		&& !(value instanceof Date)
-		&& !(value instanceof Buffer);
+		&& (Array.isArray(value) || Object.getPrototypeOf(value) === Object.prototype);
 
 const transform = (input, options = {}) => {
 	if (!isObject(input)) {