cal-phonetic/build/cal-phonetic.esm.js

CAL code to Latin phonetic transliteration

/**
* @file CAL code to Latin phonetic transliteration
* @version 1.0.3
* @author Greg Borota
* @copyright (c) 2017 Greg Borota.
* @license MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

// https://peshitta.github.io
// https://sedra.bethmardutho.org/about/fonts
// http://cal1.cn.huc.edu/searching/fullbrowser.html

import { Mapper, Writing } from 'aramaic-mapper';
import { allConsonants, isDiacritic, vowels } from 'cal-code-util';
import { begadkepatMap, commonVowels, consonants, easternVowels } from 'phonetic-code-util';

/** @module calPhonetic */

/**
 * @private
 * CAL source writing
 * @const
 * @type { Writing }
 */
var calWriting = new Writing(allConsonants, vowels);

/**
 * @private
 * Latin phonetic destination writing
 * @const
 * @type { Writing }
 */
var phoneticWriting = new Writing(
  Object.freeze(consonants.concat('p', 'ś')), // + Palestinian P and Hebrew Shin
  Object.freeze(commonVowels.concat(easternVowels))
);

/**
 * @private
 * Customized mapping callback
 * @param { string } word input word
 * @param { number } i current index in the word
 * @param { Object.<string, string> } fromTo mapping dictionary
 * @returns { string } Latin mapped char
 */
var callback = function (word, i, fromTo) {
  var c = word.charAt(i);
  // Alap is silent always in present day pronunciation.
  // Diacritics were processed already in prior iteration.
  if (c === ')' || isDiacritic(c)) {
    return '';
  }

  var n = word.charAt(i + 1);
  var m;
  switch (n) {
    case ',':
      m = begadkepatMap[c];
      if (m) {
        return m;
      }
      break;
    case '_':
      return '';
    case 'i':
    case 'e':
      if (c === 'y') {
        return '';
      }
      break;
    case 'u':
    case 'O':
      if (c === 'w') {
        return '';
      }
      break;
    default:
      break;
  }
  return fromTo[c] || c;
};

/**
 * Phonetic Mapper
 * @const
 * @type { Mapper }
 */
var mapper = new Mapper(calWriting, phoneticWriting, callback);

/**
 * Convert from CAL to Phonetic Latin
 * @static
 * @param {string} word input word in CAL code transliteration
 * @returns {string} the input word converted to phonetic Latin
 */
var toPhonetic = function (word) { return mapper.map(word); };

export { mapper, toPhonetic };