diff options
Diffstat (limited to 'ext/bg/js/database.js')
| -rw-r--r-- | ext/bg/js/database.js | 604 |
1 files changed, 299 insertions, 305 deletions
diff --git a/ext/bg/js/database.js b/ext/bg/js/database.js index e87cc64b..558f3ceb 100644 --- a/ext/bg/js/database.js +++ b/ext/bg/js/database.js @@ -16,20 +16,24 @@ * along with this program. If not, see <https://www.gnu.org/licenses/>. */ +/*global dictFieldSplit, requestJson, JsonSchema, JSZip*/ class Database { constructor() { this.db = null; + this._schemas = new Map(); } + // Public + async prepare() { if (this.db !== null) { throw new Error('Database already initialized'); } try { - this.db = await Database.open('dict', 5, (db, transaction, oldVersion) => { - Database.upgrade(db, transaction, oldVersion, [ + this.db = await Database._open('dict', 5, (db, transaction, oldVersion) => { + Database._upgrade(db, transaction, oldVersion, [ { version: 2, stores: { @@ -95,18 +99,24 @@ class Database { } } + async close() { + this._validate(); + this.db.close(); + this.db = null; + } + async purge() { - this.validate(); + this._validate(); this.db.close(); - await Database.deleteDatabase(this.db.name); + await Database._deleteDatabase(this.db.name); this.db = null; await this.prepare(); } async deleteDictionary(dictionaryName, onProgress, progressSettings) { - this.validate(); + this._validate(); const targets = [ ['dictionaries', 'title'], @@ -133,22 +143,22 @@ class Database { const dbObjectStore = dbTransaction.objectStore(objectStoreName); const dbIndex = dbObjectStore.index(index); const only = IDBKeyRange.only(dictionaryName); - promises.push(Database.deleteValues(dbObjectStore, dbIndex, only, onProgress, progressData, progressRate)); + promises.push(Database._deleteValues(dbObjectStore, dbIndex, only, onProgress, progressData, progressRate)); } await Promise.all(promises); } - async findTermsBulk(termList, titles, wildcard) { - this.validate(); + async findTermsBulk(termList, dictionaries, wildcard) { + this._validate(); const promises = []; - const visited = {}; + const visited = new Set(); const results = []; const processRow = (row, index) => { - if (titles.includes(row.dictionary) && !hasOwn(visited, row.id)) { - visited[row.id] = true; - results.push(Database.createTerm(row, index)); + if (dictionaries.has(row.dictionary) && !visited.has(row.id)) { + visited.add(row.id); + results.push(Database._createTerm(row, index)); } }; @@ -164,8 +174,8 @@ class Database { const term = prefixWildcard ? stringReverse(termList[i]) : termList[i]; const query = useWildcard ? IDBKeyRange.bound(term, `${term}\uffff`, false, false) : IDBKeyRange.only(term); promises.push( - Database.getAll(dbIndex1, query, i, processRow), - Database.getAll(dbIndex2, query, i, processRow) + Database._getAll(dbIndex1, query, i, processRow), + Database._getAll(dbIndex2, query, i, processRow) ); } @@ -174,14 +184,14 @@ class Database { return results; } - async findTermsExactBulk(termList, readingList, titles) { - this.validate(); + async findTermsExactBulk(termList, readingList, dictionaries) { + this._validate(); const promises = []; const results = []; const processRow = (row, index) => { - if (row.reading === readingList[index] && titles.includes(row.dictionary)) { - results.push(Database.createTerm(row, index)); + if (row.reading === readingList[index] && dictionaries.has(row.dictionary)) { + results.push(Database._createTerm(row, index)); } }; @@ -191,7 +201,7 @@ class Database { for (let i = 0; i < termList.length; ++i) { const only = IDBKeyRange.only(termList[i]); - promises.push(Database.getAll(dbIndex, only, i, processRow)); + promises.push(Database._getAll(dbIndex, only, i, processRow)); } await Promise.all(promises); @@ -200,13 +210,13 @@ class Database { } async findTermsBySequenceBulk(sequenceList, mainDictionary) { - this.validate(); + this._validate(); const promises = []; const results = []; const processRow = (row, index) => { if (row.dictionary === mainDictionary) { - results.push(Database.createTerm(row, index)); + results.push(Database._createTerm(row, index)); } }; @@ -216,7 +226,7 @@ class Database { for (let i = 0; i < sequenceList.length; ++i) { const only = IDBKeyRange.only(sequenceList[i]); - promises.push(Database.getAll(dbIndex, only, i, processRow)); + promises.push(Database._getAll(dbIndex, only, i, processRow)); } await Promise.all(promises); @@ -224,52 +234,27 @@ class Database { return results; } - async findTermMetaBulk(termList, titles) { - return this.findGenericBulk('termMeta', 'expression', termList, titles, Database.createTermMeta); + async findTermMetaBulk(termList, dictionaries) { + return this._findGenericBulk('termMeta', 'expression', termList, dictionaries, Database._createTermMeta); } - async findKanjiBulk(kanjiList, titles) { - return this.findGenericBulk('kanji', 'character', kanjiList, titles, Database.createKanji); + async findKanjiBulk(kanjiList, dictionaries) { + return this._findGenericBulk('kanji', 'character', kanjiList, dictionaries, Database._createKanji); } - async findKanjiMetaBulk(kanjiList, titles) { - return this.findGenericBulk('kanjiMeta', 'character', kanjiList, titles, Database.createKanjiMeta); - } - - async findGenericBulk(tableName, indexName, indexValueList, titles, createResult) { - this.validate(); - - const promises = []; - const results = []; - const processRow = (row, index) => { - if (titles.includes(row.dictionary)) { - results.push(createResult(row, index)); - } - }; - - const dbTransaction = this.db.transaction([tableName], 'readonly'); - const dbTerms = dbTransaction.objectStore(tableName); - const dbIndex = dbTerms.index(indexName); - - for (let i = 0; i < indexValueList.length; ++i) { - const only = IDBKeyRange.only(indexValueList[i]); - promises.push(Database.getAll(dbIndex, only, i, processRow)); - } - - await Promise.all(promises); - - return results; + async findKanjiMetaBulk(kanjiList, dictionaries) { + return this._findGenericBulk('kanjiMeta', 'character', kanjiList, dictionaries, Database._createKanjiMeta); } async findTagForTitle(name, title) { - this.validate(); + this._validate(); let result = null; const dbTransaction = this.db.transaction(['tagMeta'], 'readonly'); const dbTerms = dbTransaction.objectStore('tagMeta'); const dbIndex = dbTerms.index('name'); const only = IDBKeyRange.only(name); - await Database.getAll(dbIndex, only, null, (row) => { + await Database._getAll(dbIndex, only, null, (row) => { if (title === row.dictionary) { result = row; } @@ -279,19 +264,19 @@ class Database { } async getDictionaryInfo() { - this.validate(); + this._validate(); const results = []; const dbTransaction = this.db.transaction(['dictionaries'], 'readonly'); const dbDictionaries = dbTransaction.objectStore('dictionaries'); - await Database.getAll(dbDictionaries, null, null, (info) => results.push(info)); + await Database._getAll(dbDictionaries, null, null, (info) => results.push(info)); return results; } async getDictionaryCounts(dictionaryNames, getTotal) { - this.validate(); + this._validate(); const objectStoreNames = [ 'kanji', @@ -312,7 +297,7 @@ class Database { // Query is required for Edge, otherwise index.count throws an exception. const query1 = IDBKeyRange.lowerBound('', false); - const totalPromise = getTotal ? Database.getCounts(targets, query1) : null; + const totalPromise = getTotal ? Database._getCounts(targets, query1) : null; const counts = []; const countPromises = []; @@ -320,7 +305,7 @@ class Database { counts.push(null); const index = i; const query2 = IDBKeyRange.only(dictionaryNames[i]); - const countPromise = Database.getCounts(targets, query2).then((v) => counts[index] = v); + const countPromise = Database._getCounts(targets, query2).then((v) => counts[index] = v); countPromises.push(countPromise); } await Promise.all(countPromises); @@ -332,278 +317,287 @@ class Database { return result; } - async importDictionary(archive, progressCallback, details) { - this.validate(); + async importDictionary(archiveSource, onProgress, details) { + this._validate(); + const db = this.db; + const hasOnProgress = (typeof onProgress === 'function'); - const errors = []; - const prefixWildcardsSupported = details.prefixWildcardsSupported; + // Read archive + const archive = await JSZip.loadAsync(archiveSource); - const maxTransactionLength = 1000; - const bulkAdd = async (objectStoreName, items, total, current) => { - const db = this.db; - for (let i = 0; i < items.length; i += maxTransactionLength) { - if (progressCallback) { - progressCallback(total, current + i / items.length); - } + // Read and validate index + const indexFileName = 'index.json'; + const indexFile = archive.files[indexFileName]; + if (!indexFile) { + throw new Error('No dictionary index found in archive'); + } - try { - const count = Math.min(maxTransactionLength, items.length - i); - const transaction = db.transaction([objectStoreName], 'readwrite'); - const objectStore = transaction.objectStore(objectStoreName); - await Database.bulkAdd(objectStore, items, i, count); - } catch (e) { - errors.push(e); - } - } - }; + const index = JSON.parse(await indexFile.async('string')); - const indexDataLoaded = async (summary) => { - if (summary.version > 3) { - throw new Error('Unsupported dictionary version'); - } + const indexSchema = await this._getSchema('/bg/data/dictionary-index-schema.json'); + Database._validateJsonSchema(index, indexSchema, indexFileName); - const db = this.db; - const dbCountTransaction = db.transaction(['dictionaries'], 'readonly'); - const dbIndex = dbCountTransaction.objectStore('dictionaries').index('title'); - const only = IDBKeyRange.only(summary.title); - const count = await Database.getCount(dbIndex, only); + const dictionaryTitle = index.title; + const version = index.format || index.version; - if (count > 0) { - throw new Error('Dictionary is already imported'); - } + if (!dictionaryTitle || !index.revision) { + throw new Error('Unrecognized dictionary format'); + } - const transaction = db.transaction(['dictionaries'], 'readwrite'); - const objectStore = transaction.objectStore('dictionaries'); - await Database.bulkAdd(objectStore, [summary], 0, 1); - }; + // Verify database is not already imported + if (await this._dictionaryExists(dictionaryTitle)) { + throw new Error('Dictionary is already imported'); + } - const termDataLoaded = async (summary, entries, total, current) => { - const rows = []; - if (summary.version === 1) { - for (const [expression, reading, definitionTags, rules, score, ...glossary] of entries) { - rows.push({ - expression, - reading, - definitionTags, - rules, - score, - glossary, - dictionary: summary.title - }); - } + // Data format converters + const convertTermBankEntry = (entry) => { + if (version === 1) { + const [expression, reading, definitionTags, rules, score, ...glossary] = entry; + return {expression, reading, definitionTags, rules, score, glossary}; } else { - for (const [expression, reading, definitionTags, rules, score, glossary, sequence, termTags] of entries) { - rows.push({ - expression, - reading, - definitionTags, - rules, - score, - glossary, - sequence, - termTags, - dictionary: summary.title - }); - } - } - - if (prefixWildcardsSupported) { - for (const row of rows) { - row.expressionReverse = stringReverse(row.expression); - row.readingReverse = stringReverse(row.reading); - } + const [expression, reading, definitionTags, rules, score, glossary, sequence, termTags] = entry; + return {expression, reading, definitionTags, rules, score, glossary, sequence, termTags}; } + }; - await bulkAdd('terms', rows, total, current); + const convertTermMetaBankEntry = (entry) => { + const [expression, mode, data] = entry; + return {expression, mode, data}; }; - const termMetaDataLoaded = async (summary, entries, total, current) => { - const rows = []; - for (const [expression, mode, data] of entries) { - rows.push({ - expression, - mode, - data, - dictionary: summary.title - }); + const convertKanjiBankEntry = (entry) => { + if (version === 1) { + const [character, onyomi, kunyomi, tags, ...meanings] = entry; + return {character, onyomi, kunyomi, tags, meanings}; + } else { + const [character, onyomi, kunyomi, tags, meanings, stats] = entry; + return {character, onyomi, kunyomi, tags, meanings, stats}; } + }; - await bulkAdd('termMeta', rows, total, current); + const convertKanjiMetaBankEntry = (entry) => { + const [character, mode, data] = entry; + return {character, mode, data}; }; - const kanjiDataLoaded = async (summary, entries, total, current) => { - const rows = []; - if (summary.version === 1) { - for (const [character, onyomi, kunyomi, tags, ...meanings] of entries) { - rows.push({ - character, - onyomi, - kunyomi, - tags, - meanings, - dictionary: summary.title - }); - } - } else { - for (const [character, onyomi, kunyomi, tags, meanings, stats] of entries) { - rows.push({ - character, - onyomi, - kunyomi, - tags, - meanings, - stats, - dictionary: summary.title - }); + const convertTagBankEntry = (entry) => { + const [name, category, order, notes, score] = entry; + return {name, category, order, notes, score}; + }; + + // Archive file reading + const readFileSequence = async (fileNameFormat, convertEntry, schema) => { + const results = []; + for (let i = 1; true; ++i) { + const fileName = fileNameFormat.replace(/\?/, `${i}`); + const file = archive.files[fileName]; + if (!file) { break; } + + const entries = JSON.parse(await file.async('string')); + Database._validateJsonSchema(entries, schema, fileName); + + for (let entry of entries) { + entry = convertEntry(entry); + entry.dictionary = dictionaryTitle; + results.push(entry); } } - - await bulkAdd('kanji', rows, total, current); + return results; }; - const kanjiMetaDataLoaded = async (summary, entries, total, current) => { - const rows = []; - for (const [character, mode, data] of entries) { - rows.push({ - character, - mode, - data, - dictionary: summary.title - }); + // Load schemas + const dataBankSchemaPaths = this.constructor._getDataBankSchemaPaths(version); + const dataBankSchemas = await Promise.all(dataBankSchemaPaths.map((path) => this._getSchema(path))); + + // Load data + const termList = await readFileSequence('term_bank_?.json', convertTermBankEntry, dataBankSchemas[0]); + const termMetaList = await readFileSequence('term_meta_bank_?.json', convertTermMetaBankEntry, dataBankSchemas[1]); + const kanjiList = await readFileSequence('kanji_bank_?.json', convertKanjiBankEntry, dataBankSchemas[2]); + const kanjiMetaList = await readFileSequence('kanji_meta_bank_?.json', convertKanjiMetaBankEntry, dataBankSchemas[3]); + const tagList = await readFileSequence('tag_bank_?.json', convertTagBankEntry, dataBankSchemas[4]); + + // Old tags + const indexTagMeta = index.tagMeta; + if (typeof indexTagMeta === 'object' && indexTagMeta !== null) { + for (const name of Object.keys(indexTagMeta)) { + const {category, order, notes, score} = indexTagMeta[name]; + tagList.push({name, category, order, notes, score}); } + } - await bulkAdd('kanjiMeta', rows, total, current); - }; - - const tagDataLoaded = async (summary, entries, total, current) => { - const rows = []; - for (const [name, category, order, notes, score] of entries) { - const row = dictTagSanitize({ - name, - category, - order, - notes, - score, - dictionary: summary.title - }); - - rows.push(row); + // Prefix wildcard support + const prefixWildcardsSupported = !!details.prefixWildcardsSupported; + if (prefixWildcardsSupported) { + for (const entry of termList) { + entry.expressionReverse = stringReverse(entry.expression); + entry.readingReverse = stringReverse(entry.reading); } + } - await bulkAdd('tagMeta', rows, total, current); + // Add dictionary + const summary = { + title: dictionaryTitle, + revision: index.revision, + sequenced: index.sequenced, + version, + prefixWildcardsSupported }; - const result = await Database.importDictionaryZip( - archive, - indexDataLoaded, - termDataLoaded, - termMetaDataLoaded, - kanjiDataLoaded, - kanjiMetaDataLoaded, - tagDataLoaded, - details + { + const transaction = db.transaction(['dictionaries'], 'readwrite'); + const objectStore = transaction.objectStore('dictionaries'); + await Database._bulkAdd(objectStore, [summary], 0, 1); + } + + // Add data + const errors = []; + const total = ( + termList.length + + termMetaList.length + + kanjiList.length + + kanjiMetaList.length + + tagList.length ); + let loadedCount = 0; + const maxTransactionLength = 1000; + + const bulkAdd = async (objectStoreName, entries) => { + const ii = entries.length; + for (let i = 0; i < ii; i += maxTransactionLength) { + const count = Math.min(maxTransactionLength, ii - i); + + try { + const transaction = db.transaction([objectStoreName], 'readwrite'); + const objectStore = transaction.objectStore(objectStoreName); + await Database._bulkAdd(objectStore, entries, i, count); + } catch (e) { + errors.push(e); + } - return {result, errors}; + loadedCount += count; + if (hasOnProgress) { + onProgress(total, loadedCount); + } + } + }; + + await bulkAdd('terms', termList); + await bulkAdd('termMeta', termMetaList); + await bulkAdd('kanji', kanjiList); + await bulkAdd('kanjiMeta', kanjiMetaList); + await bulkAdd('tagMeta', tagList); + + return {result: summary, errors}; } - validate() { + // Private + + _validate() { if (this.db === null) { throw new Error('Database not initialized'); } } - static async importDictionaryZip( - archive, - indexDataLoaded, - termDataLoaded, - termMetaDataLoaded, - kanjiDataLoaded, - kanjiMetaDataLoaded, - tagDataLoaded, - details - ) { - const zip = await JSZip.loadAsync(archive); - - const indexFile = zip.files['index.json']; - if (!indexFile) { - throw new Error('No dictionary index found in archive'); + async _getSchema(fileName) { + let schemaPromise = this._schemas.get(fileName); + if (typeof schemaPromise !== 'undefined') { + return schemaPromise; } - const index = JSON.parse(await indexFile.async('string')); - if (!index.title || !index.revision) { - throw new Error('Unrecognized dictionary format'); + schemaPromise = requestJson(chrome.runtime.getURL(fileName), 'GET'); + this._schemas.set(fileName, schemaPromise); + return schemaPromise; + } + + static _validateJsonSchema(value, schema, fileName) { + try { + JsonSchema.validate(value, schema); + } catch (e) { + throw Database._formatSchemaError(e, fileName); } + } - const summary = { - title: index.title, - revision: index.revision, - sequenced: index.sequenced, - version: index.format || index.version, - prefixWildcardsSupported: !!details.prefixWildcardsSupported - }; + static _formatSchemaError(e, fileName) { + const valuePathString = Database._getSchemaErrorPathString(e.info.valuePath, 'dictionary'); + const schemaPathString = Database._getSchemaErrorPathString(e.info.schemaPath, 'schema'); - await indexDataLoaded(summary); + const e2 = new Error(`Dictionary has invalid data in '${fileName}' for value '${valuePathString}', validated against '${schemaPathString}': ${e.message}`); + e2.data = e; - const buildTermBankName = (index) => `term_bank_${index + 1}.json`; - const buildTermMetaBankName = (index) => `term_meta_bank_${index + 1}.json`; - const buildKanjiBankName = (index) => `kanji_bank_${index + 1}.json`; - const buildKanjiMetaBankName = (index) => `kanji_meta_bank_${index + 1}.json`; - const buildTagBankName = (index) => `tag_bank_${index + 1}.json`; + return e2; + } - const countBanks = (namer) => { - let count = 0; - while (zip.files[namer(count)]) { - ++count; + static _getSchemaErrorPathString(infoList, base='') { + let result = base; + for (const [part] of infoList) { + switch (typeof part) { + case 'string': + if (result.length > 0) { + result += '.'; + } + result += part; + break; + case 'number': + result += `[${part}]`; + break; } + } + return result; + } - return count; - }; + static _getDataBankSchemaPaths(version) { + const termBank = ( + version === 1 ? + '/bg/data/dictionary-term-bank-v1-schema.json' : + '/bg/data/dictionary-term-bank-v3-schema.json' + ); + const termMetaBank = '/bg/data/dictionary-term-meta-bank-v3-schema.json'; + const kanjiBank = ( + version === 1 ? + '/bg/data/dictionary-kanji-bank-v1-schema.json' : + '/bg/data/dictionary-kanji-bank-v3-schema.json' + ); + const kanjiMetaBank = '/bg/data/dictionary-kanji-meta-bank-v3-schema.json'; + const tagBank = '/bg/data/dictionary-tag-bank-v3-schema.json'; - const termBankCount = countBanks(buildTermBankName); - const termMetaBankCount = countBanks(buildTermMetaBankName); - const kanjiBankCount = countBanks(buildKanjiBankName); - const kanjiMetaBankCount = countBanks(buildKanjiMetaBankName); - const tagBankCount = countBanks(buildTagBankName); - - let bankLoadedCount = 0; - let bankTotalCount = - termBankCount + - termMetaBankCount + - kanjiBankCount + - kanjiMetaBankCount + - tagBankCount; - - if (tagDataLoaded && index.tagMeta) { - const bank = []; - for (const name in index.tagMeta) { - const tag = index.tagMeta[name]; - bank.push([name, tag.category, tag.order, tag.notes, tag.score]); - } + return [termBank, termMetaBank, kanjiBank, kanjiMetaBank, tagBank]; + } - tagDataLoaded(summary, bank, ++bankTotalCount, bankLoadedCount++); - } + async _dictionaryExists(title) { + const db = this.db; + const dbCountTransaction = db.transaction(['dictionaries'], 'readonly'); + const dbIndex = dbCountTransaction.objectStore('dictionaries').index('title'); + const only = IDBKeyRange.only(title); + const count = await Database._getCount(dbIndex, only); + return count > 0; + } - const loadBank = async (summary, namer, count, callback) => { - if (callback) { - for (let i = 0; i < count; ++i) { - const bankFile = zip.files[namer(i)]; - const bank = JSON.parse(await bankFile.async('string')); - await callback(summary, bank, bankTotalCount, bankLoadedCount++); - } + async _findGenericBulk(tableName, indexName, indexValueList, dictionaries, createResult) { + this._validate(); + + const promises = []; + const results = []; + const processRow = (row, index) => { + if (dictionaries.has(row.dictionary)) { + results.push(createResult(row, index)); } }; - await loadBank(summary, buildTermBankName, termBankCount, termDataLoaded); - await loadBank(summary, buildTermMetaBankName, termMetaBankCount, termMetaDataLoaded); - await loadBank(summary, buildKanjiBankName, kanjiBankCount, kanjiDataLoaded); - await loadBank(summary, buildKanjiMetaBankName, kanjiMetaBankCount, kanjiMetaDataLoaded); - await loadBank(summary, buildTagBankName, tagBankCount, tagDataLoaded); + const dbTransaction = this.db.transaction([tableName], 'readonly'); + const dbTerms = dbTransaction.objectStore(tableName); + const dbIndex = dbTerms.index(indexName); + + for (let i = 0; i < indexValueList.length; ++i) { + const only = IDBKeyRange.only(indexValueList[i]); + promises.push(Database._getAll(dbIndex, only, i, processRow)); + } + + await Promise.all(promises); - return summary; + return results; } - static createTerm(row, index) { + static _createTerm(row, index) { return { index, expression: row.expression, @@ -619,7 +613,7 @@ class Database { }; } - static createKanji(row, index) { + static _createKanji(row, index) { return { index, character: row.character, @@ -632,20 +626,20 @@ class Database { }; } - static createTermMeta({expression, mode, data, dictionary}, index) { + static _createTermMeta({expression, mode, data, dictionary}, index) { return {expression, mode, data, dictionary, index}; } - static createKanjiMeta({character, mode, data, dictionary}, index) { + static _createKanjiMeta({character, mode, data, dictionary}, index) { return {character, mode, data, dictionary, index}; } - static getAll(dbIndex, query, context, processRow) { - const fn = typeof dbIndex.getAll === 'function' ? Database.getAllFast : Database.getAllUsingCursor; + static _getAll(dbIndex, query, context, processRow) { + const fn = typeof dbIndex.getAll === 'function' ? Database._getAllFast : Database._getAllUsingCursor; return fn(dbIndex, query, context, processRow); } - static getAllFast(dbIndex, query, context, processRow) { + static _getAllFast(dbIndex, query, context, processRow) { return new Promise((resolve, reject) => { const request = dbIndex.getAll(query); request.onerror = (e) => reject(e); @@ -658,7 +652,7 @@ class Database { }); } - static getAllUsingCursor(dbIndex, query, context, processRow) { + static _getAllUsingCursor(dbIndex, query, context, processRow) { return new Promise((resolve, reject) => { const request = dbIndex.openCursor(query, 'next'); request.onerror = (e) => reject(e); @@ -674,18 +668,18 @@ class Database { }); } - static getCounts(targets, query) { + static _getCounts(targets, query) { const countPromises = []; const counts = {}; for (const [objectStoreName, index] of targets) { const n = objectStoreName; - const countPromise = Database.getCount(index, query).then((count) => counts[n] = count); + const countPromise = Database._getCount(index, query).then((count) => counts[n] = count); countPromises.push(countPromise); } return Promise.all(countPromises).then(() => counts); } - static getCount(dbIndex, query) { + static _getCount(dbIndex, query) { return new Promise((resolve, reject) => { const request = dbIndex.count(query); request.onerror = (e) => reject(e); @@ -693,12 +687,12 @@ class Database { }); } - static getAllKeys(dbIndex, query) { - const fn = typeof dbIndex.getAllKeys === 'function' ? Database.getAllKeysFast : Database.getAllKeysUsingCursor; + static _getAllKeys(dbIndex, query) { + const fn = typeof dbIndex.getAllKeys === 'function' ? Database._getAllKeysFast : Database._getAllKeysUsingCursor; return fn(dbIndex, query); } - static getAllKeysFast(dbIndex, query) { + static _getAllKeysFast(dbIndex, query) { return new Promise((resolve, reject) => { const request = dbIndex.getAllKeys(query); request.onerror = (e) => reject(e); @@ -706,7 +700,7 @@ class Database { }); } - static getAllKeysUsingCursor(dbIndex, query) { + static _getAllKeysUsingCursor(dbIndex, query) { return new Promise((resolve, reject) => { const primaryKeys = []; const request = dbIndex.openKeyCursor(query, 'next'); @@ -723,9 +717,9 @@ class Database { }); } - static async deleteValues(dbObjectStore, dbIndex, query, onProgress, progressData, progressRate) { + static async _deleteValues(dbObjectStore, dbIndex, query, onProgress, progressData, progressRate) { const hasProgress = (typeof onProgress === 'function'); - const count = await Database.getCount(dbIndex, query); + const count = await Database._getCount(dbIndex, query); ++progressData.storesProcesed; progressData.count += count; if (hasProgress) { @@ -744,16 +738,16 @@ class Database { ); const promises = []; - const primaryKeys = await Database.getAllKeys(dbIndex, query); + const primaryKeys = await Database._getAllKeys(dbIndex, query); for (const key of primaryKeys) { - const promise = Database.deleteValue(dbObjectStore, key).then(onValueDeleted); + const promise = Database._deleteValue(dbObjectStore, key).then(onValueDeleted); promises.push(promise); } await Promise.all(promises); } - static deleteValue(dbObjectStore, key) { + static _deleteValue(dbObjectStore, key) { return new Promise((resolve, reject) => { const request = dbObjectStore.delete(key); request.onerror = (e) => reject(e); @@ -761,7 +755,7 @@ class Database { }); } - static bulkAdd(objectStore, items, start, count) { + static _bulkAdd(objectStore, items, start, count) { return new Promise((resolve, reject) => { if (start + count > items.length) { count = items.length - start; @@ -789,7 +783,7 @@ class Database { }); } - static open(name, version, onUpgradeNeeded) { + static _open(name, version, onUpgradeNeeded) { return new Promise((resolve, reject) => { const request = window.indexedDB.open(name, version * 10); @@ -807,7 +801,7 @@ class Database { }); } - static upgrade(db, transaction, oldVersion, upgrades) { + static _upgrade(db, transaction, oldVersion, upgrades) { for (const {version, stores} of upgrades) { if (oldVersion >= version) { continue; } @@ -815,15 +809,15 @@ class Database { for (const objectStoreName of objectStoreNames) { const {primaryKey, indices} = stores[objectStoreName]; - const objectStoreNames = transaction.objectStoreNames || db.objectStoreNames; + const objectStoreNames2 = transaction.objectStoreNames || db.objectStoreNames; const objectStore = ( - Database.listContains(objectStoreNames, objectStoreName) ? + Database._listContains(objectStoreNames2, objectStoreName) ? transaction.objectStore(objectStoreName) : db.createObjectStore(objectStoreName, primaryKey) ); for (const indexName of indices) { - if (Database.listContains(objectStore.indexNames, indexName)) { continue; } + if (Database._listContains(objectStore.indexNames, indexName)) { continue; } objectStore.createIndex(indexName, indexName, {}); } @@ -831,7 +825,7 @@ class Database { } } - static deleteDatabase(dbName) { + static _deleteDatabase(dbName) { return new Promise((resolve, reject) => { const request = indexedDB.deleteDatabase(dbName); request.onerror = (e) => reject(e); @@ -839,7 +833,7 @@ class Database { }); } - static listContains(list, value) { + static _listContains(list, value) { for (let i = 0, ii = list.length; i < ii; ++i) { if (list[i] === value) { return true; } } |