Usage

isObject({}); // true
isObject(new Object()); // true
isObject(Object.create(null)); // true
isObject(new (class {})()); // true

isObject([]); // false
isObject(/.+/g); // false
isObject(new Date()); // false
isObject(new Map()); // false
isObject(new Set()); // false

Installation

CLI

npx atmx add helper is-object

Manually

Copy and paste the following method into @/utils/helpers/undefined.ts:

import { isTagged } from "@/helpers/is-tagged.ts";

/**
* Returns true if `value` is a plain object, a class instance
* (excluding built-in classes like Date/RegExp), or an
* `Object.create(null)` result. Objects from [other realms][1] are
* also supported.
*
* [1]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/instanceof#instanceof_and_multiple_realms
*
* @example
* isObject({}) // true
* isObject(new Object()) // true
* isObject(Object.create(null)) // true
* isObject(new class {}) // true
*
* isObject([]) // false
* isObject(/.+/g) // false
* isObject(new Date()) // false
* isObject(new Map()) // false
* isObject(new Set()) // false
*/
export function isObject(value: unknown): value is object {
return isTagged(value, "[object Object]");
}