longcelot-sheet-db/dist/adapter/createDatabaseAdapter.d.ts

Google Sheets-backed staging database adapter for Node.js with schema-first design

import { SheetAdapterConfig } from './sheetAdapter';
import { PostgresAdapterConfig } from './sql/postgresAdapter';
import { MySQLAdapterConfig } from './sql/mysqlAdapter';
import type { DatabaseAdapter } from './types';
/**
 * `'prisma'` is deliberately not a driver here — createPrismaAdapter() requires an
 * already-constructed PrismaClient instance from the consumer (see prismaAdapter.ts), and there
 * is no environment variable that can contain a live object. Prisma-track consumers keep one
 * line of branching in their own app instead (`driver === 'prisma' ? createPrismaAdapter({...})
 * : createDatabaseAdapter()`) — see FAQ.md #13.
 */
export type DBDriver = 'sheets' | 'postgres' | 'mysql';
export interface DatabaseAdapterFactoryConfig {
    /** Falls back to $DB_DRIVER, then 'sheets'. */
    driver?: DBDriver;
    sheets?: SheetAdapterConfig;
    postgres?: PostgresAdapterConfig;
    mysql?: MySQLAdapterConfig;
}
/**
 * Single top-level factory: pick the storage engine via one config value (or one env var), not a
 * different import per environment. This is simultaneously Phase 16.2's "single top-level
 * factory" and Phase 16.7's "env-driven adapter selection" — a dev's `.env` points at
 * `DB_DRIVER=sheets`, a CI/CD pipeline's env points at `DB_DRIVER=postgres` (+ `$DATABASE_URL`),
 * with zero application code branching for those two tracks.
 */
export declare function createDatabaseAdapter(config?: DatabaseAdapterFactoryConfig): DatabaseAdapter;
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