42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
|
var baseToString = require('./_baseToString'),
|
||
|
|
castSlice = require('./_castSlice'),
|
||
|
|
charsEndIndex = require('./_charsEndIndex'),
|
||
|
|
stringToArray = require('./_stringToArray'),
|
||
|
|
toString = require('./toString'),
|
||
|
|
trimmedEndIndex = require('./_trimmedEndIndex');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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.slice(0, trimmedEndIndex(string) + 1);
|
||
|
|
}
|
||
|
|
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;
|