deep_copy.js

/**
* @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';

var flattenArray = require( './../lib' );

var opts;
var arr;
var out;

arr = [ 1, [2, [3, [4, [ 5 ], 6], 7], 8], 9 ];

opts = {
	'depth': 2,
	'copy': true
};

out = flattenArray( arr, opts );
console.log( out );
// => [ 1, 2, 3, [4, [ 5 ], 6], 7, 8, 9 ]

console.log( arr[1][1][1] === out[3] );
// => false