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var charsEndIndex = require('./_charsEndIndex'),
stringToArray = require('./_stringToArray'),
toString = require('./toString');
/** Used to match leading and trailing whitespace. */
var reTrimEnd = /\s+$/;
/**
* Removes trailing whitespace or specified characters from `string`.
*
* @static
* @memberOf _
* @since 4.0.0
* @category String
* @param {string} [string=''] The string to trim.
* @param {string} [chars=whitespace] The characters to trim.
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
* @returns {string} Returns the trimmed string.
* @example
*
* _.trimEnd(' abc ');
* // => ' abc'
*
* _.trimEnd('-_-abc-_-', '_-');
* // => '-_-abc'
*/
function trimEnd(string, chars, guard) {
string = toString(string);
if (!string) {
return string;
}
if (guard || chars === undefined) {
return string.replace(reTrimEnd, '');
}
chars = (chars + '');
if (!chars) {
return string;
}
var strSymbols = stringToArray(string);
return strSymbols
.slice(0, charsEndIndex(strSymbols, stringToArray(chars)) + 1)
.join('');
}
module.exports = trimEnd;
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