CheckpointStore overview

Create-only SQLite checkpoints. Applications own capture, database provisioning, migration timing, and restoration into a fresh volume.

Added in v0.1.0

errors

CheckpointError (class)

Checkpoint lookup, naming, or storage failure. Image failures retain core's ImageError.

Signature

export declare class CheckpointError

Added in v0.1.0

models

CheckpointStoreShape (interface)

Named checkpoints with no implicit capture, replacement, or live-write persistence.

Signature

export interface CheckpointStoreShape {
  /** Saves a new name. A duplicate fails without modifying the existing checkpoint. */
  readonly save: (
    name: string,
    snapshot: Vfs.Snapshot,
  ) => Effect.Effect<void, CheckpointError | Vfs.ImageError>;
  /** Loads a validated snapshot. A missing name fails with `NotFound`. */
  readonly load: (
    name: string,
  ) => Effect.Effect<Vfs.Snapshot, CheckpointError | Vfs.ImageError>;
}

Added in v0.1.0

services

CheckpointStore (class)

SQLite checkpoint service. Supply a SQLite SqlClient and run migrate before use. Driver lifetime belongs to the application's layer scope.

Signature

export declare class CheckpointStore

Added in v0.1.0