36 lines
933 B
TypeScript
36 lines
933 B
TypeScript
import type { SQLiteDatabase } from 'expo-sqlite';
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import { migrateDatabase } from './migrations';
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import { DATABASE_NAME } from './schema';
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let database: SQLiteDatabase | null = null;
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async function loadSqlite(): Promise<typeof import('expo-sqlite')> {
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return import('expo-sqlite');
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}
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export async function getDatabase(): Promise<SQLiteDatabase> {
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if (database) return database;
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const SQLite = await loadSqlite();
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const db = await SQLite.openDatabaseAsync(DATABASE_NAME);
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await migrateDatabase(db);
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database = db;
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return db;
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}
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export async function closeDatabase(): Promise<void> {
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if (!database) return;
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await database.closeAsync();
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database = null;
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}
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export async function withTransaction<T>(
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work: (db: SQLiteDatabase) => Promise<T>,
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): Promise<T> {
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const db = await getDatabase();
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let result!: T;
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await db.withTransactionAsync(async () => {
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result = await work(db);
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});
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return result;
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} |