* Move dictFieldSplit * Copy dictionary.js definitions into translator.js * Convert to member functions * Refactor names * Remove dictionary.js * Rename
478 lines
17 KiB
JavaScript
478 lines
17 KiB
JavaScript
/*
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* Copyright (C) 2016-2020 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* Database
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*/
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class DictionaryDatabase {
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constructor() {
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this._db = new Database();
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this._dbName = 'dict';
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this._schemas = new Map();
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}
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// Public
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async prepare() {
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await this._db.open(
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this._dbName,
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60,
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[
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{
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version: 20,
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stores: {
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terms: {
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primaryKey: {keyPath: 'id', autoIncrement: true},
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indices: ['dictionary', 'expression', 'reading']
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},
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kanji: {
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primaryKey: {autoIncrement: true},
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indices: ['dictionary', 'character']
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},
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tagMeta: {
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primaryKey: {autoIncrement: true},
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indices: ['dictionary']
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},
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dictionaries: {
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primaryKey: {autoIncrement: true},
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indices: ['title', 'version']
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}
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}
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},
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{
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version: 30,
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stores: {
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termMeta: {
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primaryKey: {autoIncrement: true},
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indices: ['dictionary', 'expression']
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},
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kanjiMeta: {
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primaryKey: {autoIncrement: true},
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indices: ['dictionary', 'character']
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},
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tagMeta: {
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primaryKey: {autoIncrement: true},
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indices: ['dictionary', 'name']
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}
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}
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},
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{
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version: 40,
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stores: {
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terms: {
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primaryKey: {keyPath: 'id', autoIncrement: true},
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indices: ['dictionary', 'expression', 'reading', 'sequence']
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}
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}
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},
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{
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version: 50,
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stores: {
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terms: {
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primaryKey: {keyPath: 'id', autoIncrement: true},
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indices: ['dictionary', 'expression', 'reading', 'sequence', 'expressionReverse', 'readingReverse']
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}
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}
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},
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{
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version: 60,
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stores: {
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media: {
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primaryKey: {keyPath: 'id', autoIncrement: true},
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indices: ['dictionary', 'path']
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}
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}
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}
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]
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);
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}
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async close() {
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this._db.close();
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}
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isPrepared() {
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return this._db.isOpen();
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}
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async purge() {
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if (this._db.isOpening()) {
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throw new Error('Cannot purge database while opening');
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}
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if (this._db.isOpen()) {
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this._db.close();
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}
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await Database.deleteDatabase(this._dbName);
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await this.prepare();
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}
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async deleteDictionary(dictionaryName, progressSettings, onProgress) {
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const targets = [
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['dictionaries', 'title'],
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['kanji', 'dictionary'],
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['kanjiMeta', 'dictionary'],
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['terms', 'dictionary'],
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['termMeta', 'dictionary'],
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['tagMeta', 'dictionary'],
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['media', 'dictionary']
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];
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const {rate} = progressSettings;
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const progressData = {
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count: 0,
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processed: 0,
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storeCount: targets.length,
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storesProcesed: 0
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};
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const filterKeys = (keys) => {
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++progressData.storesProcesed;
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progressData.count += keys.length;
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onProgress(progressData);
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return keys;
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};
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const onProgress2 = () => {
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const processed = progressData.processed + 1;
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progressData.processed = processed;
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if ((processed % rate) === 0 || processed === progressData.count) {
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onProgress(progressData);
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}
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};
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const promises = [];
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for (const [objectStoreName, indexName] of targets) {
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const query = IDBKeyRange.only(dictionaryName);
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const promise = this._db.bulkDelete(objectStoreName, indexName, query, filterKeys, onProgress2);
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promises.push(promise);
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}
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await Promise.all(promises);
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}
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findTermsBulk(termList, dictionaries, wildcard) {
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return new Promise((resolve, reject) => {
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const results = [];
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const count = termList.length;
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if (count === 0) {
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resolve(results);
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return;
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}
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const visited = new Set();
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const useWildcard = !!wildcard;
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const prefixWildcard = wildcard === 'prefix';
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const transaction = this._db.transaction(['terms'], 'readonly');
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const terms = transaction.objectStore('terms');
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const index1 = terms.index(prefixWildcard ? 'expressionReverse' : 'expression');
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const index2 = terms.index(prefixWildcard ? 'readingReverse' : 'reading');
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const count2 = count * 2;
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let completeCount = 0;
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for (let i = 0; i < count; ++i) {
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const inputIndex = i;
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const term = prefixWildcard ? stringReverse(termList[i]) : termList[i];
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const query = useWildcard ? IDBKeyRange.bound(term, `${term}\uffff`, false, false) : IDBKeyRange.only(term);
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const onGetAll = (rows) => {
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for (const row of rows) {
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if (dictionaries.has(row.dictionary) && !visited.has(row.id)) {
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visited.add(row.id);
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results.push(this._createTerm(row, inputIndex));
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}
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}
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if (++completeCount >= count2) {
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resolve(results);
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}
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};
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this._db.getAll(index1, query, onGetAll, reject);
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this._db.getAll(index2, query, onGetAll, reject);
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}
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});
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}
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findTermsExactBulk(termList, readingList, dictionaries) {
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return new Promise((resolve, reject) => {
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const results = [];
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const count = termList.length;
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if (count === 0) {
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resolve(results);
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return;
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}
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const transaction = this._db.transaction(['terms'], 'readonly');
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const terms = transaction.objectStore('terms');
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const index = terms.index('expression');
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let completeCount = 0;
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for (let i = 0; i < count; ++i) {
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const inputIndex = i;
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const reading = readingList[i];
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const query = IDBKeyRange.only(termList[i]);
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const onGetAll = (rows) => {
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for (const row of rows) {
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if (row.reading === reading && dictionaries.has(row.dictionary)) {
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results.push(this._createTerm(row, inputIndex));
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}
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}
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if (++completeCount >= count) {
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resolve(results);
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}
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};
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this._db.getAll(index, query, onGetAll, reject);
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}
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});
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}
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findTermsBySequenceBulk(sequenceList, mainDictionary) {
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return new Promise((resolve, reject) => {
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const results = [];
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const count = sequenceList.length;
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if (count === 0) {
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resolve(results);
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return;
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}
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const transaction = this._db.transaction(['terms'], 'readonly');
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const terms = transaction.objectStore('terms');
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const index = terms.index('sequence');
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let completeCount = 0;
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for (let i = 0; i < count; ++i) {
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const inputIndex = i;
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const query = IDBKeyRange.only(sequenceList[i]);
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const onGetAll = (rows) => {
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for (const row of rows) {
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if (row.dictionary === mainDictionary) {
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results.push(this._createTerm(row, inputIndex));
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}
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}
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if (++completeCount >= count) {
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resolve(results);
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}
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};
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this._db.getAll(index, query, onGetAll, reject);
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}
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});
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}
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findTermMetaBulk(termList, dictionaries) {
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return this._findGenericBulk('termMeta', 'expression', termList, dictionaries, this._createTermMeta.bind(this));
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}
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findKanjiBulk(kanjiList, dictionaries) {
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return this._findGenericBulk('kanji', 'character', kanjiList, dictionaries, this._createKanji.bind(this));
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}
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findKanjiMetaBulk(kanjiList, dictionaries) {
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return this._findGenericBulk('kanjiMeta', 'character', kanjiList, dictionaries, this._createKanjiMeta.bind(this));
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}
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findTagForTitle(name, title) {
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const query = IDBKeyRange.only(name);
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return this._db.find('tagMeta', 'name', query, (row) => (row.dictionary === title), null);
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}
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getMedia(targets) {
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return new Promise((resolve, reject) => {
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const count = targets.length;
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const results = new Array(count).fill(null);
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if (count === 0) {
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resolve(results);
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return;
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}
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let completeCount = 0;
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const transaction = this._db.transaction(['media'], 'readonly');
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const objectStore = transaction.objectStore('media');
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const index = objectStore.index('path');
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for (let i = 0; i < count; ++i) {
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const inputIndex = i;
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const {path, dictionaryName} = targets[i];
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const query = IDBKeyRange.only(path);
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const onGetAll = (rows) => {
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for (const row of rows) {
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if (row.dictionary !== dictionaryName) { continue; }
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results[inputIndex] = this._createMedia(row, inputIndex);
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}
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if (++completeCount >= count) {
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resolve(results);
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}
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};
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this._db.getAll(index, query, onGetAll, reject);
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}
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});
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}
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getDictionaryInfo() {
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return new Promise((resolve, reject) => {
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const transaction = this._db.transaction(['dictionaries'], 'readonly');
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const objectStore = transaction.objectStore('dictionaries');
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this._db.getAll(objectStore, null, resolve, reject);
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});
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}
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getDictionaryCounts(dictionaryNames, getTotal) {
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return new Promise((resolve, reject) => {
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const targets = [
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['kanji', 'dictionary'],
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['kanjiMeta', 'dictionary'],
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['terms', 'dictionary'],
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['termMeta', 'dictionary'],
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['tagMeta', 'dictionary'],
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['media', 'dictionary']
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];
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const objectStoreNames = targets.map(([objectStoreName]) => objectStoreName);
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const transaction = this._db.transaction(objectStoreNames, 'readonly');
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const databaseTargets = targets.map(([objectStoreName, indexName]) => {
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const objectStore = transaction.objectStore(objectStoreName);
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const index = objectStore.index(indexName);
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return {objectStore, index};
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});
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const countTargets = [];
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if (getTotal) {
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for (const {objectStore} of databaseTargets) {
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countTargets.push([objectStore, null]);
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}
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}
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for (const dictionaryName of dictionaryNames) {
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const query = IDBKeyRange.only(dictionaryName);
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for (const {index} of databaseTargets) {
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countTargets.push([index, query]);
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}
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}
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const onCountComplete = (results) => {
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const resultCount = results.length;
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const targetCount = targets.length;
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const counts = [];
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for (let i = 0; i < resultCount; i += targetCount) {
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const countGroup = {};
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for (let j = 0; j < targetCount; ++j) {
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countGroup[targets[j][0]] = results[i + j];
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}
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counts.push(countGroup);
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}
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const total = getTotal ? counts.shift() : null;
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resolve({total, counts});
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};
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this._db.bulkCount(countTargets, onCountComplete, reject);
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});
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}
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async dictionaryExists(title) {
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const query = IDBKeyRange.only(title);
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const result = await this._db.find('dictionaries', 'title', query);
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return typeof result !== 'undefined';
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}
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bulkAdd(objectStoreName, items, start, count) {
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return this._db.bulkAdd(objectStoreName, items, start, count);
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}
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// Private
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async _findGenericBulk(objectStoreName, indexName, indexValueList, dictionaries, createResult) {
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return new Promise((resolve, reject) => {
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const results = [];
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const count = indexValueList.length;
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if (count === 0) {
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resolve(results);
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return;
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}
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const transaction = this._db.transaction([objectStoreName], 'readonly');
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const terms = transaction.objectStore(objectStoreName);
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const index = terms.index(indexName);
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let completeCount = 0;
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for (let i = 0; i < count; ++i) {
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const inputIndex = i;
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const query = IDBKeyRange.only(indexValueList[i]);
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const onGetAll = (rows) => {
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for (const row of rows) {
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if (dictionaries.has(row.dictionary)) {
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results.push(createResult(row, inputIndex));
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}
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}
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if (++completeCount >= count) {
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resolve(results);
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}
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};
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this._db.getAll(index, query, onGetAll, reject);
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}
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});
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}
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_createTerm(row, index) {
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return {
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index,
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expression: row.expression,
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reading: row.reading,
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definitionTags: this._splitField(row.definitionTags || row.tags || ''),
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termTags: this._splitField(row.termTags || ''),
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rules: this._splitField(row.rules),
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glossary: row.glossary,
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score: row.score,
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dictionary: row.dictionary,
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id: row.id,
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sequence: typeof row.sequence === 'undefined' ? -1 : row.sequence
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};
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}
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_createKanji(row, index) {
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return {
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index,
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character: row.character,
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onyomi: this._splitField(row.onyomi),
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kunyomi: this._splitField(row.kunyomi),
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tags: this._splitField(row.tags),
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glossary: row.meanings,
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stats: row.stats,
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dictionary: row.dictionary
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};
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}
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_createTermMeta({expression, mode, data, dictionary}, index) {
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return {expression, mode, data, dictionary, index};
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}
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_createKanjiMeta({character, mode, data, dictionary}, index) {
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return {character, mode, data, dictionary, index};
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}
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_createMedia(row, index) {
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return Object.assign({}, row, {index});
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}
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_splitField(field) {
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return field.length === 0 ? [] : field.split(' ');
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}
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}
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