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