@stdlib/assert
Version:
Standard assertion utilities.
110 lines (101 loc) • 3.3 kB
TypeScript
/*
* @license Apache-2.0
*
* Copyright (c) 2019 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.
*/
// TypeScript Version: 4.1
/**
* Interface defining `isNegativeNumberArray` with methods for testing for primitive and object arrays, respectively.
*/
interface IsNegativeNumberArray {
/**
* Tests if a value is an array-like object containing only negative numbers.
*
* @param value - value to test
* @returns boolean indicating whether value is an array-like object containing only negative numbers
*
* @example
* var bool = isNegativeNumberArray( [ -3.7, new Number(-3.0) ] );
* // returns true
*
* @example
* var bool = isNegativeNumberArray( [ -3.0, '-3.0' ] );
* // returns false
*/
( value: any ): value is ArrayLike<number | Number>;
/**
* Tests if a value is an array-like object containing only negative primitive number values.
*
* @param value - value to test
* @returns boolean indicating whether value is an array-like object containing only negative primitive number values
*
* @example
* var bool = isNegativeNumberArray.primitives( [ -1.0, -10.0 ] );
* // returns true
*
* @example
* var bool = isNegativeNumberArray.primitives( [ -1.0, 0.0, -10.0 ] );
* // returns false
*
* @example
* var bool = isNegativeNumberArray.primitives( [ -3.0, new Number(-1.0) ] );
* // returns false
*/
primitives( value: any ): value is ArrayLike<number>;
/**
* Tests if a value is an array-like object containing only number objects having negative number values.
*
* @param value - value to test
* @returns boolean indicating whether value is an array-like object containing only number objects having negative number values
*
* @example
* var bool = isNegativeNumberArray.objects( [ new Number(-1.3), new Number(-10.8) ] );
* // returns true
*
* @example
* var bool = isNegativeNumberArray.objects( [ -1.0, 0.0, -10.0 ] );
* // returns false
*
* @example
* var bool = isNegativeNumberArray.objects( [ -3.0, new Number(-1.0) ] );
* // returns false
*/
objects( value: any ): value is ArrayLike<Number>;
}
/**
* Tests if a value is an array-like object containing only negative numbers.
*
* @param value - value to test
* @returns boolean indicating whether value is an array-like object containing only negative numbers
*
* @example
* var bool = isNegativeNumberArray( [ -3.7, new Number(-3.0) ] );
* // returns true
*
* @example
* var bool = isNegativeNumberArray( [ -3.7, '-3.0' ] );
* // returns false
*
* @example
* var bool = isNegativeNumberArray.primitives( [ -1.3, -10.0 ] );
* // returns true
*
* @example
* var bool = isNegativeNumberArray.objects( [ new Number(-1.3), new Number(-10.0) ] );
* // returns true
*/
declare var isNegativeNumberArray: IsNegativeNumberArray;
// EXPORTS //
export = isNegativeNumberArray;