Class Snapshotter

packages/tools/api-diff/src/Snapshot.ts:851–884

): string => fingerprint(["snapshot-v4", sha, ts.version, modules === undefined ? "all" : [...modules].sort()])

export class Snapshotter extends Context.Service<Snapshotter, {
  readonly extract: (options: ExtractSnapshotOptions) => Effect.Effect<
    ApiSnapshot,
    ApiDiffError | SnapshotExtractionError
  >
}>()("@effect/api-diff/Snapshotter") {
  static readonly layerNoDependencies = Layer.effect(
    Snapshotter,
    Effect.gen(function*() {
      const discovery = yield* Discovery
      const path = yield* Path.Path

      const extract = Effect.fnUntraced(function*(options: ExtractSnapshotOptions) {
        const discovered = yield* discovery.discoverEntrypoints(options.repoRoot, options.modules)
        return yield* Effect.try({
          try: () => extractSnapshot(options, discovered, path),
          catch: (cause) =>
            isSnapshotExtractionError(cause)
              ? cause
              : new ApiDiffError({
                message: `Could not extract the API snapshot for ${options.ref}`,
                cause
              })
        })
      })

      return Snapshotter.of({ extract })
    })
  )

  static readonly layer = this.layerNoDependencies.pipe(
    Layer.provide(Discovery.layer)
  )
}