All files / object/any-in-by/lib main.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2024 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';
 
// MODULES //
 
var isObject = require( '@stdlib/assert/is-object' );
var isFunction = require( '@stdlib/assert/is-function' );
var format = require( '@stdlib/string/format' );
 
 
// MAIN //
 
/**
* Tests whether at least one own or inherited property of an object passes a test implemented by a predicate function.
*
* @param {Object} obj - input object
* @param {Function} predicate - test function
* @param {*} [thisArg] - execution context
* @throws {TypeError} first argument must be an object
* @throws {TypeError} second argument must be a function
* @returns {boolean} boolean indicating whether at least one property passes a test
*
* @example
* function isNegative( v ) {
*     return ( v < 0 );
* }
*
* var obj = {
*     'a': 1,
*     'b': -1,
*     'c': 3
* };
*
* var bool = anyInBy( obj, isNegative );
* // returns true
*/
function anyInBy( obj, predicate, thisArg ) {
	var key;
 
	if ( !isObject( obj ) ) {
		throw new TypeError( format( 'invalid argument. First argument must be an object. Value: `%s`.', obj ) );
	}
	if ( !isFunction( predicate ) ) {
		throw new TypeError( format( 'invalid argument. Second argument must be a function. Value: `%s`.', predicate ) );
	}
 
	for ( key in obj ) {
		if ( predicate.call( thisArg, obj[key], key, obj ) ) {
			return true;
		}
	}
	return false;
}
 
 
// EXPORTS //
 
module.exports = anyInBy;