1 files changed, 56 insertions, 0 deletions
diff --git a/ext/js/language/la/latin-text-preprocessors.js b/ext/js/language/la/latin-text-preprocessors.js
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+++ b/ext/js/language/la/latin-text-preprocessors.js
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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;
+    }
+};