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| import deburrLetter from './.internal/deburrLetter.js' | |
| /** Used to match Latin Unicode letters (excluding mathematical operators). */ | |
| const reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g | |
| /** Used to compose unicode character classes. */ | |
| const rsComboMarksRange = '\\u0300-\\u036f' | |
| const reComboHalfMarksRange = '\\ufe20-\\ufe2f' | |
| const rsComboSymbolsRange = '\\u20d0-\\u20ff' | |
| const rsComboMarksExtendedRange = '\\u1ab0-\\u1aff' | |
| const rsComboMarksSupplementRange = '\\u1dc0-\\u1dff' | |
| const rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange + rsComboMarksExtendedRange + rsComboMarksSupplementRange | |
| /** Used to compose unicode capture groups. */ | |
| const 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). | |
| */ | |
| const 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). | |
| * | |
| * @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) { | |
| return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '') | |
| } | |
| export default deburr |