wip

packages/shared/application/Service.ts

@@ -0,0 +1,18 @@
+import type { Result } from '../result/Result';
+import type { IApplicationError } from '../errors/ApplicationError';
+
+export interface IApplicationService {
+  readonly serviceName?: string;
+}
+
+export interface IAsyncApplicationService<Input, Output> extends IApplicationService {
+  execute(input: Input): Promise<Output>;
+}
+
+export interface IAsyncResultApplicationService<
+  Input,
+  Output,
+  Error = IApplicationError
+> extends IApplicationService {
+  execute(input: Input): Promise<Result<Output, Error>>;
+}

packages/shared/application/UseCase.ts

@@ -0,0 +1,17 @@
+import { Result } from '../result/Result';
+
+export interface IUseCase<Input, Output> {
+  execute(input: Input): Output;
+}
+
+export interface AsyncUseCase<Input, Output> {
+  execute(input: Input): Promise<Output>;
+}
+
+export interface ResultUseCase<Input, Output, Error = unknown> {
+  execute(input: Input): Result<Output, Error>;
+}
+
+export interface AsyncResultUseCase<Input, Output, Error = unknown> {
+  execute(input: Input): Promise<Result<Output, Error>>;
+}

packages/shared/application/index.ts

@@ -0,0 +1,2 @@
+export * from './UseCase';
+export * from './Service';