You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.6 KiB
45 lines
1.6 KiB
import deburrLetter from './_deburrLetter.js'; |
|
import toString from './toString.js'; |
|
|
|
/** Used to match Latin Unicode letters (excluding mathematical operators). */ |
|
var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g; |
|
|
|
/** Used to compose unicode character classes. */ |
|
var rsComboMarksRange = '\\u0300-\\u036f', |
|
reComboHalfMarksRange = '\\ufe20-\\ufe2f', |
|
rsComboSymbolsRange = '\\u20d0-\\u20ff', |
|
rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange; |
|
|
|
/** Used to compose unicode capture groups. */ |
|
var rsCombo = '[' + rsComboRange + ']'; |
|
|
|
/** |
|
* Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and |
|
* [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols). |
|
*/ |
|
var reComboMark = RegExp(rsCombo, 'g'); |
|
|
|
/** |
|
* Deburrs `string` by converting |
|
* [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table) |
|
* and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A) |
|
* letters to basic Latin letters and removing |
|
* [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks). |
|
* |
|
* @static |
|
* @memberOf _ |
|
* @since 3.0.0 |
|
* @category String |
|
* @param {string} [string=''] The string to deburr. |
|
* @returns {string} Returns the deburred string. |
|
* @example |
|
* |
|
* _.deburr('déjà vu'); |
|
* // => 'deja vu' |
|
*/ |
|
function deburr(string) { |
|
string = toString(string); |
|
return string && string.replace(reLatin, deburrLetter).replace(reComboMark, ''); |
|
} |
|
|
|
export default deburr;
|
|
|