function getDatabaseType()

in packages/better-auth/src/adapters/kysely-adapter/dialect.ts [11:48]

• 37 lines of code
• 12 McCabe index (conditional complexity)

function getDatabaseType(
	db: BetterAuthOptions["database"],
): KyselyDatabaseType | null {
	if (!db) {
		return null;
	}
	if ("dialect" in db) {
		return getDatabaseType(db.dialect as Dialect);
	}
	if ("createDriver" in db) {
		if (db instanceof SqliteDialect) {
			return "sqlite";
		}
		if (db instanceof MysqlDialect) {
			return "mysql";
		}
		if (db instanceof PostgresDialect) {
			return "postgres";
		}
		if (db instanceof MssqlDialect) {
			return "mssql";
		}
	}
	if ("aggregate" in db) {
		return "sqlite";
	}

	if ("getConnection" in db) {
		return "mysql";
	}
	if ("connect" in db) {
		return "postgres";
	}
	if ("fileControl" in db) {
		return "sqlite";
	}
	return null;
}