/**

* @license Apache-2.0

*

* Copyright (c) 2023 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';

/**

* Flatten an n-dimensional nested array according to a callback function.

*

* @module @stdlib/array/base/flatten-by

*

* @example

* var flattenBy = require( '@stdlib/array/base/flatten-by' );

*

* function scale( v ) {

* return v * 2;

* }

*

* var x = [ [ 1, 2 ], [ 3, 4 ] ];

*

* var out = flattenBy( x, [ 2, 2 ], false, scale );

* // returns [ 2, 4, 6, 8 ]

*

* @example

* var flattenBy = require( '@stdlib/array/base/flatten-by' );

*

* function scale( v ) {

* return v * 2;

* }

*

* var x = [ [ 1, 2 ], [ 3, 4 ] ];

*

* var out = flattenBy( x, [ 2, 2 ], true, scale );

* // returns [ 2, 6, 4, 8 ]

*

* @example

* var Float64Array = require( '@stdlib/array/float64' );

* var flattenBy = require( '@stdlib/array/base/flatten-by' );

*

* function scale( v ) {

* return v * 2;

* }

*

* var x = [ [ 1, 2 ], [ 3, 4 ] ];

*

* var out = new Float64Array( 4 );

* var y = flattenBy.assign( x, [ 2, 2 ], true, out, 1, 0, scale );

* // returns <Float64Array>[ 2, 6, 4, 8 ]

*

* var bool = ( y === out );

* // returns true

*/

// MODULES //

var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' );

var main = require( './main.js' );

var assign = require( './assign.js' );

// MAIN //

setReadOnly( main, 'assign', assign );

// EXPORTS //

module.exports = main;