feat: Add BaseResourceStore.

src/index.ts

@@ -153,6 +153,7 @@ export * from './storage/routing/RouterRule';
 
 // Storage
 export * from './storage/AtomicResourceStore';
+export * from './storage/BaseResourceStore';
 export * from './storage/Conditions';
 export * from './storage/DataAccessorBasedStore';
 export * from './storage/LockingResourceStore';

src/storage/BaseResourceStore.ts

@@ -0,0 +1,36 @@
+import type { Patch } from '../ldp/http/Patch';
+import type { Representation } from '../ldp/representation/Representation';
+import type { RepresentationPreferences } from '../ldp/representation/RepresentationPreferences';
+import type { ResourceIdentifier } from '../ldp/representation/ResourceIdentifier';
+import { NotImplementedHttpError } from '../util/errors/NotImplementedHttpError';
+import type { Conditions } from './Conditions';
+import type { ResourceStore } from './ResourceStore';
+
+/**
+ * Base implementation of ResourceStore for implementers of custom stores.
+ */
+/* eslint-disable @typescript-eslint/no-unused-vars */
+export class BaseResourceStore implements ResourceStore {
+  public async addResource(container: ResourceIdentifier, representation: Representation,
+    conditions?: Conditions): Promise<ResourceIdentifier> {
+    throw new NotImplementedHttpError();
+  }
+
+  public async deleteResource(identifier: ResourceIdentifier, conditions?: Conditions): Promise<void> {
+    throw new NotImplementedHttpError();
+  }
+
+  public async getRepresentation(identifier: ResourceIdentifier, preferences: RepresentationPreferences,
+    conditions?: Conditions): Promise<Representation> {
+    throw new NotImplementedHttpError();
+  }
+
+  public async modifyResource(identifier: ResourceIdentifier, patch: Patch, conditions?: Conditions): Promise<void> {
+    throw new NotImplementedHttpError();
+  }
+
+  public async setRepresentation(identifier: ResourceIdentifier, representation: Representation,
+    conditions?: Conditions): Promise<void> {
+    throw new NotImplementedHttpError();
+  }
+}

test/unit/storage/BaseResourceStore.test.ts

@@ -0,0 +1,27 @@
+import { BaseResourceStore } from '../../../src/storage/BaseResourceStore';
+import { NotImplementedHttpError } from '../../../src/util/errors/NotImplementedHttpError';
+
+const any: any = {};
+
+describe('A BaseResourceStore', (): void => {
+  const store = new BaseResourceStore();
+  it('errors on getRepresentation.', async(): Promise<void> => {
+    await expect(store.getRepresentation(any, any)).rejects.toThrow(NotImplementedHttpError);
+  });
+
+  it('errors on addResource.', async(): Promise<void> => {
+    await expect(store.addResource(any, any)).rejects.toThrow(NotImplementedHttpError);
+  });
+
+  it('errors on setRepresentation.', async(): Promise<void> => {
+    await expect(store.setRepresentation(any, any)).rejects.toThrow(NotImplementedHttpError);
+  });
+
+  it('errors on deleteResource.', async(): Promise<void> => {
+    await expect(store.deleteResource(any, any)).rejects.toThrow(NotImplementedHttpError);
+  });
+
+  it('errors on modifyResource.', async(): Promise<void> => {
+    await expect(store.modifyResource(any, any)).rejects.toThrow(NotImplementedHttpError);
+  });
+});