Implement follow/unfollow (#983)

Co-authored-by: Cesare Naldi <[email protected]>

packages/client/src/actions/follow.ts

@@ -0,0 +1,51 @@
+import type {
+  CreateFollowRequest,
+  CreateUnfollowRequest,
+  FollowResult,
+  UnfollowResult,
+} from '@lens-protocol/graphql';
+import { FollowMutation, UnfollowMutation } from '@lens-protocol/graphql';
+import type { ResultAsync } from '@lens-protocol/types';
+
+import type { SessionClient } from '../clients';
+import type { UnauthenticatedError, UnexpectedError } from '../errors';
+
+/**
+ * Follow an Account
+ *
+ * ```ts
+ * const result = await follow(sessionClient, {
+ *  account: evmAddress('0x90c8c68d0Abfb40D4fCD72316A65e42161520BC3')
+ * });
+ * ```
+ *
+ * @param client - The session client for the authenticated Account.
+ * @param request - The mutation request.
+ * @returns Tiered transaction result.
+ */
+export function follow(
+  client: SessionClient,
+  request: CreateFollowRequest,
+): ResultAsync<FollowResult, UnexpectedError | UnauthenticatedError> {
+  return client.mutation(FollowMutation, { request });
+}
+
+/**
+ * Unfollow an Account
+ *
+ * ```ts
+ * const result = await unfollow(sessionClient, {
+ *  account: evmAddress('0x90c8c68d0Abfb40D4fCD72316A65e42161520BC3')
+ * });
+ * ```
+ *
+ * @param client - The session client for the authenticated Account.
+ * @param request - The mutation request.
+ * @returns Tiered transaction result.
+ */
+export function unfollow(
+  client: SessionClient,
+  request: CreateUnfollowRequest,
+): ResultAsync<UnfollowResult, UnexpectedError | UnauthenticatedError> {
+  return client.mutation(UnfollowMutation, { request });
+}

packages/client/src/actions/index.ts

@@ -1,6 +1,7 @@
 export * from './account';
 export * from './app';
 export * from './authentication';
+export * from './follow';
 export * from './post';
 export * from './posts';
 export * from './transactions';