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* @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 isString = require( '@stdlib/assert/is-string' ).isPrimitive;
var format = require( '@stdlib/string/format' );
var base = require( '@stdlib/string/base/right-trim' );
// MAIN //
/**
* Trims whitespace from the end of a string.
*
* @param {string} str - input string
* @throws {TypeError} must provide a string
* @returns {string} trimmed string
*
* @example
* var out = rtrim( ' Whitespace ' );
* // returns ' Whitespace'
*
* @example
* var out = rtrim( '\t\t\tTabs\t\t\t' );
* // returns '\t\t\tTabs'
*
* @example
* var out = rtrim( '\n\n\nNew Lines\n\n\n' );
* // returns '\n\n\nNew Lines'
*/
function rtrim( str ) {
if ( !isString( str ) ) {
throw new TypeError( format( 'invalid argument. Must provide a string. Value: `%s`.', str ) );
}
return base( str );
}
// EXPORTS //
module.exports = rtrim;
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