Function wrapAsDatabaseAdapter

apps/desktop/main/worker/core/dbCore.ts:148–180

(db: Database.Database)

 * 将 better-sqlite3.Database 实例包装为 DatabaseAdapter 接口
 */
export function wrapAsDatabaseAdapter(db: Database.Database): DatabaseAdapter {
  return {
    readonly: db.readonly,
    exec(sql: string) {
      db.exec(sql)
    },
    prepare(sql: string): PreparedStatement {
      const stmt = db.prepare(sql)
      return {
        readonly: stmt.readonly,
        get(...params: unknown[]) {
          return stmt.get(...params) as Record<string, unknown> | undefined
        },
        all(...params: unknown[]) {
          return stmt.all(...params) as Record<string, unknown>[]
        },
        run(...params: unknown[]): RunResult {
          const result = stmt.run(...params)
          return { changes: result.changes, lastInsertRowid: result.lastInsertRowid }
        },
      }
    },
    transaction<T>(fn: () => T): T {
      return db.transaction(fn)()
    },
    pragma(pragma: string) {
      return db.pragma(pragma)
    },
    close() {
      db.close()
    },
  }
}

/**
 * 打开数据库并返回 DatabaseAdapter（用于调用 @openchatlab/core 查询函数）