time-to-botec

Benchmark sampling in different programming languages
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deburr.js (1617B)

      1 var deburrLetter = require('./_deburrLetter'),
      2     toString = require('./toString');
      3 
      4 /** Used to match Latin Unicode letters (excluding mathematical operators). */
      5 var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
      6 
      7 /** Used to compose unicode character classes. */
      8 var rsComboMarksRange = '\\u0300-\\u036f',
      9     reComboHalfMarksRange = '\\ufe20-\\ufe2f',
     10     rsComboSymbolsRange = '\\u20d0-\\u20ff',
     11     rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange;
     12 
     13 /** Used to compose unicode capture groups. */
     14 var rsCombo = '[' + rsComboRange + ']';
     15 
     16 /**
     17  * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
     18  * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
     19  */
     20 var reComboMark = RegExp(rsCombo, 'g');
     21 
     22 /**
     23  * Deburrs `string` by converting
     24  * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
     25  * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
     26  * letters to basic Latin letters and removing
     27  * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
     28  *
     29  * @static
     30  * @memberOf _
     31  * @since 3.0.0
     32  * @category String
     33  * @param {string} [string=''] The string to deburr.
     34  * @returns {string} Returns the deburred string.
     35  * @example
     36  *
     37  * _.deburr('déjà vu');
     38  * // => 'deja vu'
     39  */
     40 function deburr(string) {
     41   string = toString(string);
     42   return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
     43 }
     44 
     45 module.exports = deburr;