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

100% Statements 70/70
100% Branches 10/10
100% Functions 1/1
100% Lines 70/70

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 711x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 24x 24x 24x 8x 8x 24x 11x 11x 5x 24x 10x 1x 1x 10x 4x 4x 24x 1x 1x 1x 1x 1x  
/**
* @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 isFunction = require( '@stdlib/assert/is-function' );
var format = require( '@stdlib/string/format' );
 
 
// MAIN //
 
/**
* Tests whether all properties (own and inherited) of an object pass 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 all elements pass a test
*
* @example
* function isPositive( v ) {
*   return ( v > 0 );
* }
*
* var o = { a: 1, b: 2, c: 3 };
*
* var bool = everyInBy( o, isPositive );
* // returns true
*/
function everyInBy( obj, predicate, thisArg ) {
	var key;
	if ( typeof obj !== 'object' || obj === null ) {
		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 false;
		}
	}
 
	return true;
}
 
 
// EXPORTS //
 
module.exports = everyInBy;