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@stdlib/assert-is-buffer
Advanced tools
The @stdlib/assert-is-buffer package is a utility for checking if a value is a Buffer object. It provides a simple and efficient way to validate whether a given input is a Buffer, which is useful in various scenarios such as data processing, network communication, and file handling.
Check if a value is a Buffer
This feature allows you to check if a given value is a Buffer object. The function returns true if the value is a Buffer and false otherwise.
const isBuffer = require('@stdlib/assert-is-buffer');
const buf = Buffer.from('hello');
const notBuf = 'hello';
console.log(isBuffer(buf)); // true
console.log(isBuffer(notBuf)); // false
The is-buffer package is a simple utility to check if a value is a Buffer object. It provides similar functionality to @stdlib/assert-is-buffer by offering a straightforward method to determine if a value is a Buffer. Both packages are lightweight and serve the same primary purpose, but @stdlib/assert-is-buffer is part of the larger @stdlib library, which offers a wide range of utilities and mathematical functions.
The buffer-equal package is used to compare two Buffer objects for equality. While it does not directly check if a value is a Buffer, it is often used in conjunction with buffer validation utilities like @stdlib/assert-is-buffer. This package is useful when you need to ensure that two Buffer objects contain the same data.
Test if a value is a Buffer object.
npm install @stdlib/assert-is-buffer
var isBuffer = require( '@stdlib/assert-is-buffer' );
Tests if a value
is a Buffer
object.
var Buffer = require( '@stdlib/buffer-ctor' );
var value = new Buffer( [ 1, 2, 3, 4 ] );
var bool = isBuffer( value );
// returns true
Buffer
objects.var Int8Array = require( '@stdlib/array-int8' );
var Buffer = require( '@stdlib/buffer-ctor' );
var isBuffer = require( '@stdlib/assert-is-buffer' );
var bool = isBuffer( new Buffer( [ 1, 2, 3, 4 ] ) );
// returns true
bool = isBuffer( new Buffer( 'beep' ) );
// returns true
bool = isBuffer( [] );
// returns false
bool = isBuffer( {} );
// returns false
bool = isBuffer( new Int8Array() );
// returns false
bool = isBuffer( function foo() {} );
// returns false
bool = isBuffer( null );
// returns false
bool = isBuffer( void 0 );
// returns false
bool = isBuffer( 'beep' );
// returns false
bool = isBuffer( 5 );
// returns false
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.
See LICENSE.
Copyright © 2016-2022. The Stdlib Authors.
0.0.8 (2022-02-16)
No changes reported for this release.
</section> <!-- /.release --> <section class="release" id="v0.0.7">FAQs
Test if a value is a Buffer object.
We found that @stdlib/assert-is-buffer demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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