/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; /** * Test if a value is an array-like object containing only `NaN` values. * * @module @stdlib/assert/is-nan-array * * @example * var isNaNArray = require( '@stdlib/assert/is-nan-array' ); * * var bool = isNaNArray( [NaN,NaN,NaN] ); * // returns true * * bool = isNaNArray( [NaN,2] ); * // returns false * * bool = isNaNArray.primitives( [NaN,new Number( NaN )] ); * // returns false * * bool = isNaNArray.primitives( [NaN,NaN,NaN] ); * // returns true * * bool = isNaNArray.objects( [new Number( NaN ),new Number( NaN )] ); * // returns true * * bool = isNaNArray.objects( [NaN,new Number( NaN ),new Number( NaN )] ); * // returns false * * bool = isNaNArray.objects( [NaN,NaN,NaN] ); * // returns false */ // MODULES // var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); var arrayfun = require( './../../tools/array-like-function' ); var isnan = require( './../../is-nan' ); // MAIN // var isNaNArray = arrayfun( isnan ); setReadOnly( isNaNArray, 'primitives', arrayfun( isnan.isPrimitive ) ); setReadOnly( isNaNArray, 'objects', arrayfun( isnan.isObject ) ); // EXPORTS // module.exports = isNaNArray;