diacriticless.js

// all diacritics
var diacritics = 
	{
		'a' : ['a','à','á','â','ã','ä','å','æ','ā','ă','ą','ǎ','ǟ','ǡ','ǻ','ȁ','ȃ','ȧ','ɐ','ɑ','ɒ','ͣ','а','ӑ','ӓ','ᵃ','ᵄ','ᶏ','ḁ','ẚ','ạ','ả','ấ','ầ','ẩ','ẫ','ậ','ắ','ằ','ẳ','ẵ','ặ','ₐ','ⱥ','ａ'],
		'A' : ['A','À','Á','Â','Ã','Ä','Å','Ā','Ă','Ą','Ǎ','Ǟ','Ǡ','Ǻ','Ȁ','Ȃ','Ȧ','Ⱥ','А','Ӑ','Ӓ','ᴀ','ᴬ','Ḁ','Ạ','Ả','Ấ','Ầ','Ẩ','Ẫ','Ậ','Ắ','Ằ','Ẳ','Ẵ','Ặ','Ａ'],
		 
		'b' : ['b','ƀ','ƃ','ɓ','ᖯ','ᵇ','ᵬ','ᶀ','ḃ','ḅ','ḇ','ｂ'],
		'B' : ['B','Ɓ','Ƃ','Ƀ','ʙ','ᛒ','ᴃ','ᴮ','ᴯ','Ḃ','Ḅ','Ḇ','Ｂ'],
		 
		'c' : ['c','ç','ć','ĉ','ċ','č','ƈ','ȼ','ɕ','ͨ','ᴄ','ᶜ','ḉ','ↄ','ｃ'],
		'C' : ['C','Ç','Ć','Ĉ','Ċ','Č','Ƈ','Ȼ','ʗ','Ḉ','Ｃ'],
		
		'd' : ['d','ď','đ','Ƌ','ƌ','ȡ','ɖ','ɗ','ͩ','ᵈ','ᵭ','ᶁ','ᶑ','ḋ','ḍ','ḏ','ḑ','ḓ','ｄ'],
		'D' : ['D','Ď','Đ','Ɖ','Ɗ','ᴰ','Ḋ','Ḍ','Ḏ','Ḑ','Ḓ','Ｄ'],
		
		'e' : ['e','è','é','ê','ë','ē','ĕ','ė','ę','ě','ǝ','ȅ','ȇ','ȩ','ɇ','ɘ','ͤ','ᵉ','ᶒ','ḕ','ḗ','ḙ','ḛ','ḝ','ẹ','ẻ','ẽ','ế','ề','ể','ễ','ệ','ₑ','ｅ'],
		'E' : ['E','È','É','Ê','Ë','Ē','Ĕ','Ė','Ę','Ě','Œ','Ǝ','Ɛ','Ȅ','Ȇ','Ȩ','Ɇ','ɛ','ɜ','ɶ','Є','Э','э','є','Ӭ','ӭ','ᴇ','ᴈ','ᴱ','ᴲ','ᵋ','ᵌ','ᶓ','ᶔ','ᶟ','Ḕ','Ḗ','Ḙ','Ḛ','Ḝ','Ẹ','Ẻ','Ẽ','Ế','Ề','Ể','Ễ','Ệ','Ｅ','𐐁','𐐩'],
		
		'f' : ['f','ƒ','ᵮ','ᶂ','ᶠ','ḟ','ｆ'],
		'F' : ['F','Ƒ','Ḟ','ⅎ','Ｆ'],
		
		'g' : ['g','ĝ','ğ','ġ','ģ','ǥ','ǧ','ǵ','ɠ','ɡ','ᵍ','ᵷ','ᵹ','ᶃ','ᶢ','ḡ','ｇ'],
		'G' : ['G','Ĝ','Ğ','Ġ','Ģ','Ɠ','Ǥ','Ǧ','Ǵ','ɢ','ʛ','ᴳ','Ḡ','Ｇ'],
		
		'h' : ['h','ĥ','ħ','ƕ','ȟ','ɥ','ɦ','ʮ','ʯ','ʰ','ʱ','ͪ','Һ','һ','ᑋ','ᶣ','ḣ','ḥ','ḧ','ḩ','ḫ','ⱨ','ｈ'],
		'H' : ['H','Ĥ','Ħ','Ȟ','ʜ','ᕼ','ᚺ','ᚻ','ᴴ','Ḣ','Ḥ','Ḧ','Ḩ','Ḫ','Ⱨ','Ｈ'],
		
		'i' : ['i','ì','í','î','ï','ĩ','ī','ĭ','į','ǐ','ȉ','ȋ','ɨ','ͥ','ᴉ','ᵎ','ᵢ','ᶖ','ᶤ','ḭ','ḯ','ỉ','ị','ｉ'],
		'I' : ['I','Ì','Í','Î','Ï','Ĩ','Ī','Ĭ','Į','İ','Ǐ','Ȉ','Ȋ','ɪ','І','ᴵ','ᵻ','ᶦ','ᶧ','Ḭ','Ḯ','Ỉ','Ị','Ｉ'],
		
		'j' : ['j','ĵ','ǰ','ɉ','ʝ','ʲ','ᶡ','ᶨ','ｊ'],
		'J' : ['J','Ĵ','ᴊ','ᴶ','Ｊ'],
		
		'k' : ['k','ķ','ƙ','ǩ','ʞ','ᵏ','ᶄ','ḱ','ḳ','ḵ','ⱪ','ｋ'],
		'K' : ['K','Ķ','Ƙ','Ǩ','ᴷ','Ḱ','Ḳ','Ḵ','Ⱪ','Ｋ'],
		
		'l' : ['l','ĺ','ļ','ľ','ŀ','ł','ƚ','ȴ','ɫ','ɬ','ɭ','ˡ','ᶅ','ᶩ','ᶪ','ḷ','ḹ','ḻ','ḽ','ℓ','ⱡ'],
		'L' : ['L','Ĺ','Ļ','Ľ','Ŀ','Ł','Ƚ','ʟ','ᴌ','ᴸ','ᶫ','Ḷ','Ḹ','Ḻ','Ḽ','Ⱡ','Ɫ'],
		
		'm' : ['m','ɯ','ɰ','ɱ','ͫ','ᴟ','ᵐ','ᵚ','ᵯ','ᶆ','ᶬ','ᶭ','ḿ','ṁ','ṃ','㎡','㎥','ｍ'],
		'M' : ['M','Ɯ','ᴍ','ᴹ','Ḿ','Ṁ','Ṃ','Ｍ'],
		
		'n' : ['n','ñ','ń','ņ','ň','ʼn','ƞ','ǹ','ȵ','ɲ','ɳ','ᵰ','ᶇ','ᶮ','ᶯ','ṅ','ṇ','ṉ','ṋ','ⁿ','ｎ'],
		'N' : ['N','Ñ','Ń','Ņ','Ň','Ɲ','Ǹ','Ƞ','ɴ','ᴎ','ᴺ','ᴻ','ᶰ','Ṅ','Ṇ','Ṉ','Ṋ','Ｎ'],
		
		'o' : ['o','ò','ó','ô','õ','ö','ø','ō','ŏ','ő','ơ','ǒ','ǫ','ǭ','ǿ','ȍ','ȏ','ȫ','ȭ','ȯ','ȱ','ɵ','ͦ','о','ӧ','ө','ᴏ','ᴑ','ᴓ','ᴼ','ᵒ','ᶱ','ṍ','ṏ','ṑ','ṓ','ọ','ỏ','ố','ồ','ổ','ỗ','ộ','ớ','ờ','ở','ỡ','ợ','ₒ','ｏ','𐐬'],
		'O' : ['O','Ò','Ó','Ô','Õ','Ö','Ø','Ō','Ŏ','Ő','Ɵ','Ơ','Ǒ','Ǫ','Ǭ','Ǿ','Ȍ','Ȏ','Ȫ','Ȭ','Ȯ','Ȱ','О','Ӧ','Ө','Ṍ','Ṏ','Ṑ','Ṓ','Ọ','Ỏ','Ố','Ồ','Ổ','Ỗ','Ộ','Ớ','Ờ','Ở','Ỡ','Ợ','Ｏ','𐐄'],
		
		'p' : ['p','ᵖ','ᵱ','ᵽ','ᶈ','ṕ','ṗ','ｐ'],
		'P' : ['P','Ƥ','ᴘ','ᴾ','Ṕ','Ṗ','Ᵽ','Ｐ'],
		
		'q' : ['q','ɋ','ʠ','ᛩ','ｑ'],
		'Q' : ['Q','Ɋ','Ｑ'],
		
		'r' : ['r','ŕ','ŗ','ř','ȑ','ȓ','ɍ','ɹ','ɻ','ʳ','ʴ','ʵ','ͬ','ᵣ','ᵲ','ᶉ','ṙ','ṛ','ṝ','ṟ'],
		'R' : ['R','Ŕ','Ŗ','Ř','Ʀ','Ȑ','Ȓ','Ɍ','ʀ','ʁ','ʶ','ᚱ','ᴙ','ᴚ','ᴿ','Ṙ','Ṛ','Ṝ','Ṟ','Ɽ'],
		
		's' : ['s','ś','ŝ','ş','š','ș','ʂ','ᔆ','ᶊ','ṡ','ṣ','ṥ','ṧ','ṩ','ｓ'],
		'S' : ['S','Ś','Ŝ','Ş','Š','Ș','ȿ','ˢ','ᵴ','Ṡ','Ṣ','Ṥ','Ṧ','Ṩ','Ｓ'],
		
		't' : ['t','ţ','ť','ŧ','ƫ','ƭ','ț','ʇ','ͭ','ᵀ','ᵗ','ᵵ','ᶵ','ṫ','ṭ','ṯ','ṱ','ẗ','ｔ'],
		'T' : ['T','Ţ','Ť','Ƭ','Ʈ','Ț','Ⱦ','ᴛ','ᵀ','Ṫ','Ṭ','Ṯ','Ṱ','Ｔ'],
	 	
		'u' : ['u','ù','ú','û','ü','ũ','ū','ŭ','ů','ű','ų','ư','ǔ','ǖ','ǘ','ǚ','ǜ','ȕ','ȗ','ͧ','ߎ','ᵘ','ᵤ','ṳ','ṵ','ṷ','ṹ','ṻ','ụ','ủ','ứ','ừ','ử','ữ','ự','ｕ'],
		'U' : ['U','Ù','Ú','Û','Ü','Ũ','Ū','Ŭ','Ů','Ű','Ų','Ư','Ǔ','Ǖ','Ǘ','Ǚ','Ǜ','Ȕ','Ȗ','Ʉ','ᴜ','ᵁ','ᵾ','Ṳ','Ṵ','Ṷ','Ṹ','Ṻ','Ụ','Ủ','Ứ','Ừ','Ử','Ữ','Ự','Ｕ'],
		
		'v' : ['v','ʋ','ͮ','ᵛ','ᵥ','ᶹ','ṽ','ṿ','ⱱ','ｖ','ⱴ'],
		'V' : ['V','Ʋ','Ʌ','ʌ','ᴠ','ᶌ','Ṽ','Ṿ','Ｖ'],
		
		'w' : ['w','ŵ','ʷ','ᵂ','ẁ','ẃ','ẅ','ẇ','ẉ','ẘ','ⱳ','ｗ'],
		'W' : ['W','Ŵ','ʍ','ᴡ','Ẁ','Ẃ','Ẅ','Ẇ','Ẉ','Ⱳ','Ｗ'],
		
		'x' : ['x','̽','͓','ᶍ','ͯ','ẋ','ẍ','ₓ','ｘ'],
		'X' : ['X','ˣ','ͯ','Ẋ','Ẍ','☒','✕','✖','✗','✘','Ｘ'],
		
		'y' : ['y','ý','ÿ','ŷ','ȳ','ɏ','ʸ','ẏ','ỳ','ỵ','ỷ','ỹ','ｙ'],
		'Y' : ['Y','Ý','Ŷ','Ÿ','Ƴ','ƴ','Ȳ','Ɏ','ʎ','ʏ','Ẏ','Ỳ','Ỵ','Ỷ','Ỹ','Ｙ'],
		
		'z' : ['z','ź','ż','ž','ƶ','ȥ','ɀ','ʐ','ʑ','ᙆ','ᙇ','ᶻ','ᶼ','ᶽ','ẑ','ẓ','ẕ','ⱬ','ｚ'],
		'Z' : ['Z','Ź','Ż','Ž','Ƶ','Ȥ','ᴢ','ᵶ','Ẑ','Ẓ','Ẕ','Ⱬ','Ｚ']
	};

/*
 * Main function of the module which removes all diacritics from the received text
 */
module.exports = function (text) {
    var result = [];

	// iterate over all the characters of the received text
    for(var i=0; i<text.length; i++) {
        var searchChar = text.charAt(i);
        var foundChar = false;

		// iterate over all the diacritics
        for(var key in diacritics) {
            var indexChar = diacritics[key].indexOf(searchChar);
			
			// check if the current character is a diacritic
            if (indexChar !== -1) {
				// as the character is a diacritic, adds into the result array, the key of the found diacritic
                result.push(key);
                foundChar = true;
                break;
            }
        }

        // check if the character was not found
        if (!foundChar) {
			// as the character was not found, returns it
            result.push(searchChar);
        }
    }

    return result.join("");
};