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* @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';
// MODULES //
var repeat = require( '@stdlib/string/base/repeat' );
var ceil = require( '@stdlib/math/base/special/ceil' );
// MAIN //
/**
* Right pads a string such that the padded string has a length of at least `len`.
*
* @param {string} str - string to pad
* @param {NonNegativeInteger} len - minimum string length
* @param {string} pad - string used to pad
* @returns {string} padded string
*
* @example
* var str = rpad( 'a', 5, ' ' );
* // returns 'a '
*
* @example
* var str = rpad( 'beep', 10, 'b' );
* // returns 'beepbbbbbb'
*
* @example
* var str = rpad( 'boop', 12, 'beep' );
* // returns 'boopbeepbeep'
*/
function rpad( str, len, pad ) {
var n = ( len - str.length ) / pad.length;
if ( n <= 0 ) {
return str;
}
n = ceil( n );
return str + repeat( pad, n );
}
// EXPORTS //
module.exports = rpad;
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