/**

* @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';

/**

* Copy buffer data to a new `Buffer` instance.

*

* @module @stdlib/buffer/from-buffer

*

* @example

* var fromArray = require( '@stdlib/buffer/from-array' );

* var copyBuffer = require( '@stdlib/buffer/from-buffer' );

*

* var b1 = fromArray( [ 1, 2, 3, 4 ] );

* // returns <Buffer>

*

* var b2 = copyBuffer( b1 );

* // returns <Buffer>

*/

// MODULES //

var hasFrom = require( './has_from.js' );

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

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

// MAIN //

var copyBuffer;

if ( hasFrom ) {

copyBuffer = main;

} else {

copyBuffer = polyfill;

}

// EXPORTS //

module.exports = copyBuffer;