Bump @reduxjs/toolkit from 1.6.1 to 1.8.0

[dependabot[bot]]

Bumps @reduxjs/toolkit from 1.6.1 to 1.8.0.

Release notes

Sourced from @​reduxjs/toolkit's releases.

v1.8.0

This release adds the new "listener" middleware, updates configureStore's types to better handle type inference from middleware that override dispatch return values, and updates our TS support matrix to drop support for TS < 4.1.

Changelog

New "Listener" Side Effects Middleware

RTK has integrated the thunk middleware since the beginning. However, thunks are imperative functions, and do not let you run code in response to dispatched actions. That use case has typically been covered with libraries like redux-saga (which handles side effects with "sagas" based on generator functions), redux-observable (which uses RxJS observables), or custom middleware.

We've added a new "listener" middleware to RTK to cover that use case. The listener middleware is created using createListenerMiddleware(), and lets you define "listener" entries that contain an "effect" callback with additional logic and a way to specify when that callback should run based on dispatched actions or state changes.

Conceptually, you can think of this as being similar to React's useEffect hook, except that it runs logic in response to Redux store updates instead of component props/state updates.

The listener middleware is intended to be a lightweight alternative to more widely used Redux async middleware like sagas and observables. While similar to thunks in level of complexity and concept, it can replicate some common saga usage patterns. We believe that the listener middleware can be used to replace most of the remaining use cases for sagas, but with a fraction of the bundle size and a much simpler API.

Listener effect callbacks have access to dispatch and getState, similar to thunks. The listener also receives a set of async workflow functions like take, condition, pause, fork, and unsubscribe, which allow writing more complex async logic.

Listeners can be defined statically by calling listenerMiddleware.startListening() during setup, or added and removed dynamically at runtime with special dispatch(addListener()) and dispatch(removeListener()) actions.

The API reference is available at:

https://redux-toolkit.js.org/api/createListenerMiddleware

Huge thanks to @​FaberVitale for major contributions in refining the middleware API and implementing key functionality.

Basic usage of the listener middleware looks like:

import { configureStore, createListenerMiddleware } from '@reduxjs/toolkit'
import todosReducer, {
todoAdded,
todoToggled,
todoDeleted,
} from '../features/todos/todosSlice'
// Create the middleware instance and methods
const listenerMiddleware = createListenerMiddleware()
// Add one or more listener entries that look for specific actions.
// They may contain any sync or async logic, similar to thunks.
listenerMiddleware.startListening({
actionCreator: todoAdded,
effect: async (action, listenerApi) => {
// Run whatever additional side-effect-y logic you want here
console.log('Todo added: ', action.payload.text)
// Can cancel other running instances
listenerApi.cancelActiveListeners()

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Commits

• 6642f43 Release 1.8.0
• e41d458 Add .release-it.json to ensure lockfile update during release
• bc62c9e Merge pull request #2024 from reduxjs/v1.8.0-integration
• 7cdd615 Merge pull request #2078 from reduxjs/feature/final-1.8-cleanup
• 5acc6ef Enable cancelling listeners when unsubscribing
• 5d39ecf Rename removeAllListeners to clearAllListeners
• cb97bfa Merge pull request #2076 from FaberVitale/chore/update-counter-example-to-1.8.0
• 7cedc2d chore(alm): update counter example to 1.8.0
• 22cbc98 Update lockfile from release
• 202a88a Release 1.8.0-rc.0
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #100.