Running actions with effect

By using "use server" the function will be executed on the server. This means that we can use RuntimeServer to execute effects just like we did with server components:

src/actions/like-post.ts
"use server";

import { Effect } from "effect";
import { RuntimeServer } from "../services/RuntimeServer";

export const likePost = async (id: number) =>
  RuntimeServer.runPromise(
    /// Effect here
  );

You can now execute any server logic inside likePost.

We are not going to add other services for this example, but you can imagine creating a Database service that executes a query to add a like to a post.

In this example we simulate a delay using Effect.sleep:

src/actions/like-post.ts
"use server";

import { Effect } from "effect";
import { RuntimeServer } from "../services/RuntimeServer";

export const likePost = async (id: number) =>
  RuntimeServer.runPromise(
    Effect.sleep("2 seconds"),
  );