1
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var baseToString = require('./_baseToString'),
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2
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castSlice = require('./_castSlice'),
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3
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charsEndIndex = require('./_charsEndIndex'),
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4
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stringToArray = require('./_stringToArray'),
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5
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toString = require('./toString');
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6
|
|
7
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/** Used to match leading and trailing whitespace. */
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8
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var reTrimEnd = /\s+$/;
|
9
|
|
10
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/**
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11
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* Removes trailing whitespace or specified characters from `string`.
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12
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*
|
13
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* @static
|
14
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* @memberOf _
|
15
|
* @since 4.0.0
|
16
|
* @category String
|
17
|
* @param {string} [string=''] The string to trim.
|
18
|
* @param {string} [chars=whitespace] The characters to trim.
|
19
|
* @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
|
20
|
* @returns {string} Returns the trimmed string.
|
21
|
* @example
|
22
|
*
|
23
|
* _.trimEnd(' abc ');
|
24
|
* // => ' abc'
|
25
|
*
|
26
|
* _.trimEnd('-_-abc-_-', '_-');
|
27
|
* // => '-_-abc'
|
28
|
*/
|
29
|
function trimEnd(string, chars, guard) {
|
30
|
string = toString(string);
|
31
|
if (string && (guard || chars === undefined)) {
|
32
|
return string.replace(reTrimEnd, '');
|
33
|
}
|
34
|
if (!string || !(chars = baseToString(chars))) {
|
35
|
return string;
|
36
|
}
|
37
|
var strSymbols = stringToArray(string),
|
38
|
end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
|
39
|
|
40
|
return castSlice(strSymbols, 0, end).join('');
|
41
|
}
|
42
|
|
43
|
module.exports = trimEnd;
|