1 files changed, 34 insertions, 0 deletions
diff --git a/ext/js/language/de/german-text-preprocessors.js b/ext/js/language/de/german-text-preprocessors.js
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+++ b/ext/js/language/de/german-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/>.
+ */
+
+
+/** @type {import('language').BidirectionalConversionPreprocessor} */
+export const eszettPreprocessor = {
+    name: 'Convert "ß" to "ss"',
+    description: 'ß → ss, ẞ → SS and vice versa',
+    options: ['off', 'direct', 'inverse'],
+    process: (str, setting) => {
+        switch (setting) {
+            case 'off':
+                return str;
+            case 'direct':
+                return str.replace(/ẞ/g, 'SS').replace(/ß/g, 'ss');
+            case 'inverse':
+                return str.replace(/SS/g, 'ẞ').replace(/ss/g, 'ß');
+        }
+    }
+};