| 1 | var baseToString = require('./_baseToString'),
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| 2 | castSlice = require('./_castSlice'),
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| 3 | charsEndIndex = require('./_charsEndIndex'),
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| 4 | stringToArray = require('./_stringToArray'),
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| 5 | toString = require('./toString'),
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| 6 | trimmedEndIndex = require('./_trimmedEndIndex');
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| 7 |
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| 8 | /**
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| 9 | * Removes trailing whitespace or specified characters from `string`.
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| 10 | *
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| 11 | * @static
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| 12 | * @memberOf _
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| 13 | * @since 4.0.0
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| 14 | * @category String
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| 15 | * @param {string} [string=''] The string to trim.
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| 16 | * @param {string} [chars=whitespace] The characters to trim.
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| 17 | * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
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| 18 | * @returns {string} Returns the trimmed string.
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| 19 | * @example
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| 20 | *
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| 21 | * _.trimEnd(' abc ');
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| 22 | * // => ' abc'
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| 23 | *
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| 24 | * _.trimEnd('-_-abc-_-', '_-');
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| 25 | * // => '-_-abc'
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| 26 | */
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| 27 | function trimEnd(string, chars, guard) {
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| 28 | string = toString(string);
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| 29 | if (string && (guard || chars === undefined)) {
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| 30 | return string.slice(0, trimmedEndIndex(string) + 1);
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| 31 | }
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| 32 | if (!string || !(chars = baseToString(chars))) {
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| 33 | return string;
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| 34 | }
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| 35 | var strSymbols = stringToArray(string),
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| 36 | end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
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| 37 |
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| 38 | return castSlice(strSymbols, 0, end).join('');
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| 39 | }
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| 40 |
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| 41 | module.exports = trimEnd;
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