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@stdlib/assert-is-object-like

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@stdlib/assert-is-object-like

Test if a value is object-like.


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About stdlib...

We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.

The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.

When you use stdlib, you can be absolutely certain that you are using the most thorough, rigorous, well-written, studied, documented, tested, measured, and high-quality code out there.

To join us in bringing numerical computing to the web, get started by checking us out on GitHub, and please consider financially supporting stdlib. We greatly appreciate your continued support!

isObjectLike

NPM version Build Status Coverage Status

Test if a value is object-like.

Installation

npm install @stdlib/assert-is-object-like

Usage

var isObjectLike = require( '@stdlib/assert-is-object-like' );
isObjectLike( value )

Tests if a value is object-like.

var bool = isObjectLike( {} );
// returns true

bool = isObjectLike( [] );
// returns true

bool = isObjectLike( true );
// returns false
isObjectLike.isObjectLikeArray( value )

Tests if a value is an array of object-like values.

var bool = isObjectLike.isObjectLikeArray( [ {}, [] ] );
// returns true

bool = isObjectLike.isObjectLikeArray( [ {}, '3.0' ] );
// returns false

bool = isObjectLike.isObjectLikeArray( [] );
// returns false

Notes

  • Return values are the same as would be obtained using the built-in typeof operator except that null is not considered an object.

    var bool = ( typeof null === 'object' );
    // returns true
    
    bool = isObjectLike( null );
    // returns false
    

Examples

var Int8Array = require( '@stdlib/array-int8' );
var ArrayBuffer = require( '@stdlib/array-buffer' );
var isObjectLike = require( '@stdlib/assert-is-object-like' );

var bool = isObjectLike( {} );
// returns true

bool = isObjectLike( [] );
// returns true

bool = isObjectLike( /./ );
// returns true

bool = isObjectLike( new Date() );
// returns true

bool = isObjectLike( Math );
// returns true

bool = isObjectLike( JSON );
// returns true

bool = isObjectLike( new Int8Array() );
// returns true

bool = isObjectLike( new ArrayBuffer() );
// returns true

bool = isObjectLike( 'a' );
// returns false

bool = isObjectLike( 5 );
// returns false

bool = isObjectLike( null );
// returns false

bool = isObjectLike( void 0 );
// returns false

bool = isObjectLike( function foo() {} );
// returns false

See Also


Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

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License

See LICENSE.

Copyright © 2016-2024. The Stdlib Authors.

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Package last updated on 27 Jul 2024

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