Files
lodash/trimEnd.js
Luiz Américo e51a424513 Fix string methods to handle empty values (#4442)
* Enable strings category methods tests

* Ensure escape, pad, padEnd, padStart, trim, trimEnd, trimStart, unescape return an empty string for falsey values

* Coerce value to string using toString in truncate, capitalize and case methods

* Ensure createCaseFirst returns an empty string for falsey values
2019-08-26 06:13:55 -07:00

37 lines
979 B
JavaScript

import castSlice from './.internal/castSlice.js'
import charsEndIndex from './.internal/charsEndIndex.js'
import stringToArray from './.internal/stringToArray.js'
const methodName = ''.trimRight ? 'trimRight': 'trimEnd'
/**
* Removes trailing whitespace or specified characters from `string`.
*
* @since 4.0.0
* @category String
* @param {string} [string=''] The string to trim.
* @param {string} [chars=whitespace] The characters to trim.
* @returns {string} Returns the trimmed string.
* @see trim, trimStart
* @example
*
* trimEnd(' abc ')
* // => ' abc'
*
* trimEnd('-_-abc-_-', '_-')
* // => '-_-abc'
*/
function trimEnd(string, chars) {
if (string && chars === undefined) {
return string[methodName]()
}
if (!string || !chars) {
return (string || '')
}
const strSymbols = stringToArray(string)
const end = charsEndIndex(strSymbols, stringToArray(chars)) + 1
return castSlice(strSymbols, 0, end).join('')
}
export default trimEnd