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vendor/yomitan/js/language/languages.js

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+/*
+ * Copyright (C) 2024-2025  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 {languageDescriptorMap} from './language-descriptors.js';
+
+/**
+ * @returns {import('language').LanguageSummary[]}
+ */
+export function getLanguageSummaries() {
+    const results = [];
+    for (const {name, iso, iso639_3, exampleText} of languageDescriptorMap.values()) {
+        results.push({name, iso, iso639_3, exampleText});
+    }
+    return results;
+}
+
+/**
+ * @returns {import('language').LanguageAndReadingNormalizer[]}
+ */
+export function getAllLanguageReadingNormalizers() {
+    const results = [];
+    for (const {iso, readingNormalizer} of languageDescriptorMap.values()) {
+        if (typeof readingNormalizer === 'undefined') { continue; }
+        results.push({iso, readingNormalizer});
+    }
+    return results;
+}
+
+/**
+ * @returns {import('language').LanguageAndProcessors[]}
+ * @throws {Error}
+ */
+export function getAllLanguageTextProcessors() {
+    const results = [];
+    for (const {iso, textPreprocessors = {}, textPostprocessors = {}} of languageDescriptorMap.values()) {
+        /** @type {import('language').TextProcessorWithId<unknown>[]} */
+        const textPreprocessorsArray = [];
+        for (const [id, textPreprocessor] of Object.entries(textPreprocessors)) {
+            textPreprocessorsArray.push({
+                id,
+                textProcessor: /** @type {import('language').TextProcessor<unknown>} */ (textPreprocessor),
+            });
+        }
+        /** @type {import('language').TextProcessorWithId<unknown>[]} */
+        const textPostprocessorsArray = [];
+        for (const [id, textPostprocessor] of Object.entries(textPostprocessors)) {
+            textPostprocessorsArray.push({
+                id,
+                textProcessor: /** @type {import('language').TextProcessor<unknown>} */ (textPostprocessor),
+            });
+        }
+        results.push({iso, textPreprocessors: textPreprocessorsArray, textPostprocessors: textPostprocessorsArray});
+    }
+    return results;
+}
+
+/**
+ * @param {string} text
+ * @param {string} language
+ * @returns {boolean}
+ */
+export function isTextLookupWorthy(text, language) {
+    const descriptor = languageDescriptorMap.get(language);
+    if (typeof descriptor === 'undefined') { return false; }
+    return typeof descriptor.isTextLookupWorthy === 'undefined' || descriptor.isTextLookupWorthy(text);
+}
+
+/**
+ * @returns {import('language').LanguageAndTransforms[]}
+ */
+export function getAllLanguageTransformDescriptors() {
+    const results = [];
+    for (const {iso, languageTransforms} of languageDescriptorMap.values()) {
+        if (languageTransforms) {
+            results.push({iso, languageTransforms});
+        }
+    }
+    return results;
+}