akkad/glyph.js

// Convert Akkadian transliteration to unicode cuneiform.
// Copyright 2015 Ralph Giles. GPLv3.

// Sign values from Huehnergard's "A Grammar of Akkadian",
// 3rd Edition, compiled by Angelika and published with
// the AkkadianStudy Yahoo Group. Unicode values from
// http://www.unicode.org/charts/PDF/U12000.pdf
var akkad_readings = {

  // Lesson 9 signs.
  '𒀸': ['aš', 'rum'],
  '𒄬': ['ḫal'],
  '𒀭': ['an'],
  '𒈤': ['maḫ'],
  '𒆷': ['la'],
  '𒉡': ['nu'],
  '𒁴': ['dim', 'tim', 'ṭim', 'dem', 'tem', 'ṭem'],
  '𒍗': ['be', 'bad', 'bat', 'baṭ', 'til'], // or 𒁁?
  '𒈾': ['na'],
  '𒈬': ['mu'],

  // Lesson 10
  '𒋾': ['ti', 'tì'],
  '𒄷': ['ḫu'],
  '𒉆': ['nam'],
  '𒂗': ['en'],
  '𒊑': ['ri', 're', 'tal', 'ṭal'],
  '𒍣': ['zi', 'ze', 'sí', 'sé', 'ṣí', 'ṣé'],
  '𒄀': ['gi', 'ge'],
  '𒀝': ['ag', 'ak', 'aq'],
  '𒅅': ['ig', 'ik', 'iq', 'eg', 'ek', 'eq'],

  // Lesson 11
  '𒋗': ['šu'],
  '𒄥': ['gur'],
  '𒋛': ['si', 'se'],
  '𒊒': ['ru'],
  '𒌒': ['ub', 'up'],
  '𒊓': ['sa'],
  '𒌝': ['um'],
  '𒀜': ['ad', 'at', 'aṭ'],
  '𒀊': ['ab', 'ap'],
  '𒍢': ['ṣi', 'ṣe', 'zí', 'zé'],

  // Lesson 12
  '𒊌': ['ug', 'uk', 'uq'],
  '𒊍': ['as', 'aṣ', 'az'],
  '𒁺': ['du'],
  '𒍑': ['uš', 'ús', 'úṣ', 'úz'],
  '𒌫': ['úr'],
  '𒌈': ['tum', 'dum', 'ṭum'],
  '𒅋': ['il'],
  '𒅖': ['iš', 'ís', 'íṣ', 'íz', 'mil'],
  '𒁉': ['bi', 'bé', 'pí', 'pé'],
  '𒄣': ['kum'],

  // Lesson 13
  '𒀭': ['an', 'AN', 'DINGIR'],
  '𒈬': ['mu', 'MU'],
  '': ['DUMU'],
  '𒊔': ['SAG'],
  '𒂍': ['É'],
  '𒀴': ['ÌR', 'ARAD'],
  '𒌓': ['ud', 'ut', 'uṭ', 'tam', 'UD', 'UTU', 'BABBAR'],
  '𒊺': ['še', 'ŠE'],
  '𒆠': ['ki', 'ke', 'qí', 'qé', 'KI'],
  '': ['KUG', 'KÙ'],
  '𒁹': ['1'],
  '𒎌': ['MEŠ'],
  '': ['MUNUS', 'MÍ'],
  '': ['GEME2'],

  // Lesson 14
  '𒋳': ['šum'],
  '𒄠': ['am'],
  '𒉈': ['ne', 'bí', 'bil', 'pil', 'ṭè'],
  '𒉋': ['bíl', 'píl'],
  '𒊭': ['ša'],
  '𒋫': ['ta', 'ṭá'],
  '𒂵': ['ga', 'qá'],
  '𒋻': ['tar', 'ṭar', 'KUD'],
  '𒁲': ['di', 'de', 'ṭi', 'ṭe', 'DI'],
  '𒆍': ['KÁ', 'KÁ.DINGIR.RAKI'],
  '𒈗': ['LUGAL'],
};

var akkad_table = {};
for (var sign in akkad_readings) {
  for (var reading of akkad_readings[sign]) {
    akkad_table[reading] = sign;
  }
}

var convert = function(text) {
  var wedges = [];
  for (var word of text.split(' ')) {
    var code = '';
    for (var sign of word.split('-')) {
      if (sign in akkad_table) {
        code += akkad_table[sign];
      } else {
        code += sign;
      }
    }
    wedges.push(code)
  }
  return wedges.join(' ');
}