add a few deinflections for Latin (#901)

* abstract deinflections

* undo redundant changes

* remove cast

* switch to js

* MultiLanguageTransformer

* comments

* comments

* fix test

* suffixInflection

* fix bench

* substring instead of replace

* without heuristic

* suffixMap

* add other language deinflections

* wip

* catch cycles

* fix tests

* uninflect to deinflect

* use less regex

* start

* organize language transform test by language

* simpler folders

* wip

* wip

* delete german test

* cleanup

1 files changed, 56 insertions, 0 deletions

diff --git a/test/language/latin-transforms.test.js b/test/language/latin-transforms.test.js
new file mode 100644
index 00000000..238d8eaf
--- /dev/null
+++ b/test/language/latin-transforms.test.js
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2023-2024  Yomitan Authors
+ * Copyright (C) 2020-2022  Yomichan 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 {latinTransforms} from '../../ext/js/language/la/latin-transforms.js';
+import {LanguageTransformer} from '../../ext/js/language/language-transformer.js';
+import {testLanguageTransformer} from '../fixtures/language-transformer-test.js';
+
+/* eslint-disable @stylistic/no-multi-spaces */
+const tests = [
+    {
+        category: 'plural',
+        valid: true,
+        tests: [
+            {term: 'fluvius',   source: 'fluvii',    rule: 'n',   reasons: ['plural']},
+            {term: 'magnus',    source: 'magni',     rule: 'adj', reasons: ['plural']},
+            {term: 'insula',    source: 'insulae',   rule: 'n',   reasons: ['plural']}
+        ]
+    },
+    {
+        category: 'adjective',
+        valid: true,
+        tests: [
+            {term: 'magnus',    source: 'magna',    rule: 'adj',  reasons: ['feminine']},
+            {term: 'Graecus',   source: 'Graecum',  rule: 'adj',  reasons: ['neuter']},
+            {term: 'primus',    source: 'prima',    rule: 'adj',  reasons: ['neuter', 'plural']}
+        ]
+    },
+    {
+        category: 'ablative',
+        valid: true,
+        tests: [
+            {term: 'vocabulum', source: 'vocabulo', rule: 'n',    reasons: ['ablative']}
+        ]
+    }
+];
+/* eslint-enable @stylistic/no-multi-spaces */
+
+const languageTransformer = new LanguageTransformer();
+languageTransformer.addDescriptor(latinTransforms);
+
+testLanguageTransformer(languageTransformer, tests);