text: /**
  * @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 isNonNegativeInteger = require( '@stdlib/assert/is-nonnegative-integer' ).isPrimitive;
  var prevGraphemeClusterBreak = require( '@stdlib/string/prev-grapheme-cluster-break' );
  
  
  // MAIN //
  
  /**
  * Removes the last character(s) of a string.
  *
  * @param {string} str - input string
  * @param {NonNegativeInteger} [n=1] - number of character to remove
  * @throws {TypeError} must provide a string primitive
  * @throws {TypeError} second argument must be a nonnegative integer
  * @returns {string} updated string
  *
  * @example
  * var out = removeLast( 'last man standing' );
  * // returns 'last man standin'
  *
  * @example
  * var out = removeLast( 'presidential election' );
  * // returns 'presidential electio'
  *
  * @example
  * var out = removeLast( 'javaScript' );
  * // returns 'javaScrip'
  *
  * @example
  * var out = removeLast( 'Hidden Treasures' );
  * // returns 'Hidden Treasure'
  *
  * @example
  * var out = removeLast( 'leader', 2 );
  * // returns 'lead'
  */
  function removeLast( str, n ) {
  	var i;
  
  	if ( !isString( str ) ) {
  		throw new TypeError( 'invalid argument. First argument must be a string primitive. Value: `' + str + '`.' );
  	}
  	if ( str === '' ) {
  		return '';
  	}
  	if ( arguments.length > 1 ) {
  		if ( !isNonNegativeInteger( n ) ) {
  			throw new TypeError( 'invalid argument. Second argument must be a nonnegative integer. Value: `' + n + '`.' );
  		}
  		if ( n === 0 ) {
  			return str;
  		}
  		i = str.length - 1;
  		while ( n > 0 ) {
  			i = prevGraphemeClusterBreak( str, i );
  			n -= 1;
  		}
  		return str.substring( 0, i + 1 );
  	}
  	return str.substring( 0, prevGraphemeClusterBreak( str, str.length-1 ) + 1 ); // eslint-disable-line max-len
  }
  
  
  // EXPORTS //
  
  module.exports = removeLast;
  