@nick/is/plain-object

isPlainObject

Signature

function isPlainObject<T extends Record<string, any>>(it: unknown): it is T;

Check if the given value is a plain object, which is an object that either has a prototype of null or Object.prototype.

Parameters

Name	Info
it	The value to check.

Returns

true if the value is a plain object, false otherwise.

Category

Objects

Examples

import { isPlainObject } from "jsr:@nick/is/plain-object";

console.log(isPlainObject({})); // true
console.log(isPlainObject(new class {}())); // true
console.log(isPlainObject(new Object())); // true

console.log(isPlainObject([])); // false
console.log(isPlainObject(() => {})); // false
console.log(isPlainObject(null)); // false
console.log(isPlainObject(undefined)); // false
console.log(isPlainObject(1)); // false