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/*
* Copyright (C) 2024 Yomitan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import {basicTextPreprocessorOptions} from '../text-preprocessors.js';
/** @type {Record<string, string>} */
const diacriticMap = {
ā: 'a',
ē: 'e',
ī: 'i',
ō: 'o',
ū: 'u',
ȳ: 'y',
Ā: 'A',
Ē: 'E',
Ī: 'I',
Ō: 'O',
Ū: 'U',
Ȳ: 'Y',
á: 'a',
é: 'e',
í: 'i',
ó: 'o',
ú: 'u',
ý: 'y',
Á: 'A',
É: 'E',
Í: 'I',
Ó: 'O',
Ú: 'U',
Ý: 'Y'
};
/** @type {import('language').TextPreprocessor<boolean>} */
export const removeLatinDiacritics = {
name: 'Remove diacritics',
description: 'āēīōūȳ → aeiouy, áéíóúý → aeiouy',
options: basicTextPreprocessorOptions,
process: (str, setting) => {
return setting ? str.replace(/[āēīōūȳáéíóúýĀĒĪŌŪȲÁÉÍÓÚÝ]/g, (match) => diacriticMap[match] || match) : str;
}
};
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