@stdlib/assert-is-function-array NPM

isFunctionArray

Test if a value is an array-like object containing only functions.

Installation

npm install @stdlib/assert-is-function-array

Usage

var isFunctionArray = require( '@stdlib/assert-is-function-array' );

isFunctionArray( value )

Tests if a value is an array-like object containing only functions.

function beep() {
    console.log( 'beep' );
}

function boop() {
    console.log( 'boop' );
}

var bool = isFunctionArray( [ beep, boop ] );
// returns true

Examples

var isFunctionArray = require( '@stdlib/assert-is-function-array' );

function beep() {
    console.log( 'beep' );
}

function boop() {
    console.log( 'boop' );
}

var bool = isFunctionArray( [ beep, boop ] );
// returns true

bool = isFunctionArray( [ beep, {} ] );
// returns false

bool = isFunctionArray( [ [], {} ] );
// returns false

bool = isFunctionArray( [ 'a', 'b' ] );
// returns false

bool = isFunctionArray( [] );
// returns false

bool = isFunctionArray( beep );
// returns false

bool = isFunctionArray( null );
// returns false

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.