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Manage App Services

manage-app-services

Create or update service functions in this repo, especially store-related services in `src/stores/*.service.ts` and task registrations in `src/setup/services.ts`. Use when adding new service functions, changing service behavior or params, or wiring services to DOM tasks.

SKILL.md

Full skill instructions

Manage App Services

Follow these steps to add or update service functions and their wiring.

1) Create or update the service file

Place service functions in src/​stores/<name>.service.ts and keep them focused on side effects or store updates.

If requested, call the service when the atom is connected extending the atom with withConnectHook

Example:

import { moviesAtom } from './​movies'
import { withConnectHook } from '@reatom/​core'

export async function loadMovies(): Promise<void> {
  const response = await fetch('/​api/​movies')
  const movies = (await response.json()) as Movie[]
  moviesAtom.set(movies)
}

// optionally extend the atom to load movies on connect
moviesAtom.extend(withConnectHook(loadMovies))

2) Wire the service to DOM tasks

Typically, the service is triggered by DOM tasks, register it in src/​setup/​services.ts via registerTaskHandler.

Example:

import { registerTaskHandler } from '../​helpers/​domTask'
import { deleteMovie } from '../​stores/​movies.service'

registerTaskHandler('delete-movie', deleteMovie)

Ensure the task is defined in src/​setup/​tasks.ts with the correct params/​returns.

3) Update call sites

Search for all usages and update parameters or return handling to match the service signature.

Use:

  • rg -n "registerTaskHandler\\(|\\.service\\.ts|loadMovies|deleteMovie" src

4) Keep types strict and explicit

Prefer typed params and explicit return types for service functions, and avoid unused locals/​params.

5) Call the service from components using events (tasks)

Dispatch tasks from components via dispatchTask. Never call service functions directly from components.

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