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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/>.
+ */
+
+/** @type {import('language').TextPreprocessorOptions<boolean>} */
+export const basicTextPreprocessorOptions = [false, true];
+
+/** @type {import('language').TextPreprocessor<boolean>} */
+export const decapitalize = {
+ name: 'Decapitalize text',
+ description: 'CAPITALIZED TEXT → capitalized text',
+ options: basicTextPreprocessorOptions,
+ process: (str, setting) => (setting ? str.toLowerCase() : str)
+};
+
+/** @type {import('language').TextPreprocessor<boolean>} */
+export const capitalizeFirstLetter = {
+ name: 'Capitalize first letter',
+ description: 'lowercase text → Lowercase text',
+ options: basicTextPreprocessorOptions,
+ process: (str, setting) => (setting ? str.charAt(0).toUpperCase() + str.slice(1) : str)
+};