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nash403/normalizeChar.mjs

Last active February 15, 2023 10:39
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Normalize a character/string to remove accents. (For comparison)
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normalizeChar.mjs
/*
Two things will happen here:
1) normalize()ing to NFD Unicode normal form decomposes combined graphemes into the combination of simple ones. The è of Crème ends up expressed as e + ̀.
2) Using a regex character class to match the U+0300 → U+036F range, it is now trivial to globally get rid of the diacritics, which the Unicode standard conveniently groups as the Combining Diacritical Marks Unicode block.
*/
export const normalizeChar = char => char.normalize('NFD').replace(/[\u0300-\u036f]/g, '')
export const normalizeStr = str => str.split('').map(normalizeChar).join('')
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