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- var baseToString = require('./_baseToString'),
- castSlice = require('./_castSlice'),
- 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 && (guard || chars === undefined)) {
- return string.replace(reTrimEnd, '');
- }
- if (!string || !(chars = baseToString(chars))) {
- return string;
- }
- var strSymbols = stringToArray(string),
- end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
- return castSlice(strSymbols, 0, end).join('');
- }
- module.exports = trimEnd;
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