Differential D7102 Diff 24115 web/database/queries/db-queries.js

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				// @flow

				import type { SqliteDatabase } from 'sql.js';

				function getSQLiteDBVersion(db: SqliteDatabase): number {
				const versionData = db.exec('PRAGMA user_version;');
				if (!versionData.length \|\| !versionData[0].values.length) {
				throw new Error('Error while retrieving database version: empty result');
				}
				const [dbVersion] = versionData[0].values[0];
				if (typeof dbVersion !== 'number') {
				throw new Error(
				'Error while retrieving database version: invalid type returned',
				);
				}
				return dbVersion;
				}

				export { getSQLiteDBVersion };