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Pop-up dictionary browser extension for language learning. Successor to Yomichan. (PERSONAL FORK)
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5.1 kB · 137 lines
JavaScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138/* * Copyright (C) 2023-2025 Yomitan Authors * Copyright (C) 2021-2022 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 {ExtensionError} from '../core/extension-error.js';import {DictionaryDatabase} from './dictionary-database.js';import {DictionaryImporter} from './dictionary-importer.js';import {DictionaryWorkerMediaLoader} from './dictionary-worker-media-loader.js';
export class DictionaryWorkerHandler { constructor() { /** @type {DictionaryWorkerMediaLoader} */ this._mediaLoader = new DictionaryWorkerMediaLoader(); }
/** */ prepare() { self.addEventListener('message', this._onMessage.bind(this), false); }
// Private
/** * @param {MessageEvent<import('dictionary-worker-handler').Message>} event */ _onMessage(event) { const {action, params} = event.data; switch (action) { case 'importDictionary': void this._onMessageWithProgress(params, this._importDictionary.bind(this)); break; case 'deleteDictionary': void this._onMessageWithProgress(params, this._deleteDictionary.bind(this)); break; case 'getDictionaryCounts': void this._onMessageWithProgress(params, this._getDictionaryCounts.bind(this)); break; case 'getImageDetails.response': this._mediaLoader.handleMessage(params); break; } }
/** * @template [T=unknown] * @param {T} params * @param {(details: T, onProgress: import('dictionary-worker-handler').OnProgressCallback) => Promise<unknown>} handler */ async _onMessageWithProgress(params, handler) { /** * @param {...unknown} args */ const onProgress = (...args) => { self.postMessage({ action: 'progress', params: {args}, }); }; let response; try { const result = await handler(params, onProgress); response = {result}; } catch (e) { response = {error: ExtensionError.serialize(e)}; } self.postMessage({action: 'complete', params: response}); }
/** * @param {import('dictionary-worker-handler').ImportDictionaryMessageParams} details * @param {import('dictionary-worker-handler').OnProgressCallback} onProgress * @returns {Promise<import('dictionary-worker').MessageCompleteResultSerialized>} */ async _importDictionary({details, archiveContent}, onProgress) { const dictionaryDatabase = await this._getPreparedDictionaryDatabase(); try { const dictionaryImporter = new DictionaryImporter(this._mediaLoader, onProgress); const {result, errors} = await dictionaryImporter.importDictionary(dictionaryDatabase, archiveContent, details); return { result, errors: errors.map((error) => ExtensionError.serialize(error)), }; } finally { void dictionaryDatabase.close(); } }
/** * @param {import('dictionary-worker-handler').DeleteDictionaryMessageParams} details * @param {import('dictionary-database').DeleteDictionaryProgressCallback} onProgress * @returns {Promise<void>} */ async _deleteDictionary({dictionaryTitle}, onProgress) { const dictionaryDatabase = await this._getPreparedDictionaryDatabase(); try { return await dictionaryDatabase.deleteDictionary(dictionaryTitle, 1000, onProgress); } finally { void dictionaryDatabase.close(); } }
/** * @param {import('dictionary-worker-handler').GetDictionaryCountsMessageParams} details * @returns {Promise<import('dictionary-database').DictionaryCounts>} */ async _getDictionaryCounts({dictionaryNames, getTotal}) { const dictionaryDatabase = await this._getPreparedDictionaryDatabase(); try { return await dictionaryDatabase.getDictionaryCounts(dictionaryNames, getTotal); } finally { void dictionaryDatabase.close(); } }
/** * @returns {Promise<DictionaryDatabase>} */ async _getPreparedDictionaryDatabase() { const dictionaryDatabase = new DictionaryDatabase(); await dictionaryDatabase.prepare(); return dictionaryDatabase; }}