501 lines
16 KiB
JavaScript
501 lines
16 KiB
JavaScript
/*
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* Copyright (C) 2016-2017 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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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 <http://www.gnu.org/licenses/>.
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*/
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class Database {
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constructor() {
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this.db = null;
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this.tagCache = {};
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}
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async prepare() {
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if (this.db) {
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throw 'Database already initialized';
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}
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this.db = new Dexie('dict');
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this.db.version(2).stores({
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terms: '++id,dictionary,expression,reading',
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kanji: '++,dictionary,character',
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tagMeta: '++,dictionary',
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dictionaries: '++,title,version'
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});
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this.db.version(3).stores({
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termMeta: '++,dictionary,expression',
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kanjiMeta: '++,dictionary,character',
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tagMeta: '++,dictionary,name'
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});
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this.db.version(4).stores({
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terms: '++id,dictionary,expression,reading,sequence'
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});
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await this.db.open();
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}
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async purge() {
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if (!this.db) {
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throw 'Database not initialized';
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}
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this.db.close();
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await this.db.delete();
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this.db = null;
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this.tagCache = {};
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await this.prepare();
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}
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async findTerms(term, titles) {
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if (!this.db) {
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throw 'Database not initialized';
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}
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const results = [];
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await this.db.terms.where('expression').equals(term).or('reading').equals(term).each(row => {
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if (titles.includes(row.dictionary)) {
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results.push({
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expression: row.expression,
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reading: row.reading,
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definitionTags: dictFieldSplit(row.definitionTags || row.tags || ''),
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termTags: dictFieldSplit(row.termTags || ''),
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rules: dictFieldSplit(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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});
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return results;
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}
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async findTermsExact(term, reading, titles) {
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if (!this.db) {
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throw 'Database not initialized';
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}
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const results = [];
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await this.db.terms.where('expression').equals(term).each(row => {
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if (row.reading === reading && titles.includes(row.dictionary)) {
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results.push({
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expression: row.expression,
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reading: row.reading,
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definitionTags: dictFieldSplit(row.definitionTags || row.tags || ''),
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termTags: dictFieldSplit(row.termTags || ''),
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rules: dictFieldSplit(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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});
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return results;
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}
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async findTermsBySequence(sequence, mainDictionary) {
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if (!this.db) {
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throw 'Database not initialized';
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}
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const results = [];
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await this.db.terms.where('sequence').equals(sequence).each(row => {
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if (row.dictionary === mainDictionary) {
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results.push({
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expression: row.expression,
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reading: row.reading,
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definitionTags: dictFieldSplit(row.definitionTags || row.tags || ''),
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termTags: dictFieldSplit(row.termTags || ''),
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rules: dictFieldSplit(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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});
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return results;
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}
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async findTermMeta(term, titles) {
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if (!this.db) {
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throw 'Database not initialized';
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}
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const results = [];
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await this.db.termMeta.where('expression').equals(term).each(row => {
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if (titles.includes(row.dictionary)) {
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results.push({
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mode: row.mode,
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data: row.data,
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dictionary: row.dictionary
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});
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}
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});
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return results;
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}
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async findKanji(kanji, titles) {
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if (!this.db) {
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throw 'Database not initialized';
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}
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const results = [];
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await this.db.kanji.where('character').equals(kanji).each(row => {
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if (titles.includes(row.dictionary)) {
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results.push({
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character: row.character,
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onyomi: dictFieldSplit(row.onyomi),
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kunyomi: dictFieldSplit(row.kunyomi),
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tags: dictFieldSplit(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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});
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return results;
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}
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async findKanjiMeta(kanji, titles) {
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if (!this.db) {
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throw 'Database not initialized';
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}
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const results = [];
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await this.db.kanjiMeta.where('character').equals(kanji).each(row => {
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if (titles.includes(row.dictionary)) {
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results.push({
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mode: row.mode,
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data: row.data,
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dictionary: row.dictionary
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});
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}
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});
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return results;
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}
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async findTagForTitle(name, title) {
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if (!this.db) {
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throw 'Database not initialized';
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}
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this.tagCache[title] = this.tagCache[title] || {};
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let result = this.tagCache[title][name];
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if (!result) {
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await this.db.tagMeta.where('name').equals(name).each(row => {
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if (title === row.dictionary) {
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result = row;
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}
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});
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this.tagCache[title][name] = result;
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}
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return result;
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}
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async getTitles() {
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if (this.db) {
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return this.db.dictionaries.toArray();
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} else {
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throw 'Database not initialized';
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}
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}
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async getTitlesWithSequences() {
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if (!this.db) {
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throw 'Database not initialized';
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}
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const titles = [];
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await this.db.dictionaries.each(row => {
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if (row.hasSequences) {
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titles.push(row.title);
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}
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});
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return titles;
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}
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async importDictionary(archive, callback) {
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if (!this.db) {
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throw 'Database not initialized';
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}
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const indexDataValid = async summary => {
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if (summary.version > 2) {
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throw 'Unsupported dictionary version';
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}
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const count = await this.db.dictionaries.where('title').equals(summary.title).count();
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if (count > 0) {
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throw 'Dictionary is already imported';
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}
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};
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const indexDataLoaded = async summary => {
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await this.db.dictionaries.add(summary);
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};
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const termDataLoaded = async (summary, entries, total, current) => {
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if (callback) {
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callback(total, current);
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}
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const rows = [];
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if (summary.version === 1) {
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for (const [expression, reading, definitionTags, rules, score, ...glossary] of entries) {
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rows.push({
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expression,
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reading,
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definitionTags,
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rules,
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score,
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glossary,
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dictionary: summary.title
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});
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}
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} else {
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for (const [expression, reading, definitionTags, rules, score, glossary, sequence, termTags] of entries) {
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rows.push({
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expression,
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reading,
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definitionTags,
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rules,
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score,
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glossary,
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sequence,
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termTags,
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dictionary: summary.title
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});
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}
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}
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summary.hasSequences = rows.every(row => row.sequence >= 0);
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await this.db.terms.bulkAdd(rows);
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};
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const termMetaDataLoaded = async (summary, entries, total, current) => {
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if (callback) {
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callback(total, current);
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}
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const rows = [];
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for (const [expression, mode, data] of entries) {
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rows.push({
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expression,
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mode,
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data,
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dictionary: summary.title
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});
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}
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await this.db.termMeta.bulkAdd(rows);
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};
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const kanjiDataLoaded = async (summary, entries, total, current) => {
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if (callback) {
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callback(total, current);
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}
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const rows = [];
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if (summary.version === 1) {
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for (const [character, onyomi, kunyomi, tags, ...meanings] of entries) {
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rows.push({
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character,
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onyomi,
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kunyomi,
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tags,
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meanings,
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dictionary: summary.title
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});
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}
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} else {
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for (const [character, onyomi, kunyomi, tags, meanings, stats] of entries) {
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rows.push({
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character,
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onyomi,
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kunyomi,
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tags,
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meanings,
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stats,
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dictionary: summary.title
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});
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}
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}
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await this.db.kanji.bulkAdd(rows);
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};
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const kanjiMetaDataLoaded = async (summary, entries, total, current) => {
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if (callback) {
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callback(total, current);
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}
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const rows = [];
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for (const [character, mode, data] of entries) {
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rows.push({
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character,
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mode,
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data,
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dictionary: summary.title
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});
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}
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await this.db.kanjiMeta.bulkAdd(rows);
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};
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const tagDataLoaded = async (summary, entries, total, current) => {
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if (callback) {
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callback(total, current);
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}
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const rows = [];
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for (const [name, category, order, notes, score] of entries) {
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const row = dictTagSanitize({
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name,
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category,
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order,
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notes,
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score,
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dictionary: summary.title
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});
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rows.push(row);
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}
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await this.db.tagMeta.bulkAdd(rows);
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};
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return await Database.importDictionaryZip(
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archive,
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indexDataValid,
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indexDataLoaded,
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termDataLoaded,
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termMetaDataLoaded,
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kanjiDataLoaded,
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kanjiMetaDataLoaded,
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tagDataLoaded
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);
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}
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static async importDictionaryZip(
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archive,
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indexDataValid,
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indexDataLoaded,
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termDataLoaded,
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termMetaDataLoaded,
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kanjiDataLoaded,
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kanjiMetaDataLoaded,
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tagDataLoaded
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) {
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const zip = await JSZip.loadAsync(archive);
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const indexFile = zip.files['index.json'];
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if (!indexFile) {
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throw 'No dictionary index found in archive';
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}
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const index = JSON.parse(await indexFile.async('string'));
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if (!index.title || !index.revision) {
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throw 'Unrecognized dictionary format';
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}
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const summary = {
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title: index.title,
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revision: index.revision,
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version: index.format || index.version
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};
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await indexDataValid(summary);
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const buildTermBankName = index => `term_bank_${index + 1}.json`;
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const buildTermMetaBankName = index => `term_meta_bank_${index + 1}.json`;
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const buildKanjiBankName = index => `kanji_bank_${index + 1}.json`;
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const buildKanjiMetaBankName = index => `kanji_meta_bank_${index + 1}.json`;
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const buildTagBankName = index => `tag_bank_${index + 1}.json`;
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const countBanks = namer => {
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let count = 0;
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while (zip.files[namer(count)]) {
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++count;
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}
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return count;
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};
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const termBankCount = countBanks(buildTermBankName);
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const termMetaBankCount = countBanks(buildTermMetaBankName);
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const kanjiBankCount = countBanks(buildKanjiBankName);
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const kanjiMetaBankCount = countBanks(buildKanjiMetaBankName);
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const tagBankCount = countBanks(buildTagBankName);
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let bankLoadedCount = 0;
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let bankTotalCount =
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termBankCount +
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termMetaBankCount +
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kanjiBankCount +
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kanjiMetaBankCount +
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tagBankCount;
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if (tagDataLoaded && index.tagMeta) {
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const bank = [];
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for (const name in index.tagMeta) {
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const tag = index.tagMeta[name];
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bank.push([name, tag.category, tag.order, tag.notes, tag.score]);
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}
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tagDataLoaded(summary, bank, ++bankTotalCount, bankLoadedCount++);
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}
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const loadBank = async (summary, namer, count, callback) => {
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if (callback) {
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for (let i = 0; i < count; ++i) {
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const bankFile = zip.files[namer(i)];
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const bank = JSON.parse(await bankFile.async('string'));
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await callback(summary, bank, bankTotalCount, bankLoadedCount++);
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}
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}
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};
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await loadBank(summary, buildTermBankName, termBankCount, termDataLoaded);
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await loadBank(summary, buildTermMetaBankName, termMetaBankCount, termMetaDataLoaded);
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await loadBank(summary, buildKanjiBankName, kanjiBankCount, kanjiDataLoaded);
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await loadBank(summary, buildKanjiMetaBankName, kanjiMetaBankCount, kanjiMetaDataLoaded);
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await loadBank(summary, buildTagBankName, tagBankCount, tagDataLoaded);
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if (indexDataLoaded) {
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await indexDataLoaded(summary);
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}
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return summary;
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}
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}
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