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| 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 | 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 55x 55x 55x 55x 9x 9x 55x 100x 78x 100x 22x 22x 100x 24x 55x 3x 3x 3x 3x 3x | /**
* @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';
// MODULES //
var hasProp = require( '@stdlib/assert/has-property' );
// MAIN //
/**
* Returns a boolean indicating whether an object has a nested property.
*
* @private
* @param {*} v - value to test
* @param {Array} props - list of properties defining a key path
* @returns {boolean} boolean indicating whether an object has a nested property
*/
function deepHasProp( v, props ) {
var len = props.length;
var i;
if ( len === 0 ) {
return false;
}
for ( i = 0; i < len; i++ ) {
if ( hasProp( v, props[i] ) ) {
v = v[ props[ i ] ];
} else {
return false;
}
}
return true;
}
// EXPORTS //
module.exports = deepHasProp;
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