chore(deps): Bump react-redux from 7.2.8 to 8.0.0

[dependabot]

Bumps react-redux from 7.2.8 to 8.0.0.

Release notes

Sourced from react-redux's releases.

v8.0.0

This major version release updates useSelector, connect, and <Provider> for compatibility with React 18, rewrites the React-Redux codebase to TypeScript (obsoleting use of @types/react-redux), modernizes build output, and removes the deprecated connectAdvanced API and the pure option for connect.

npm i react-redux@latest
yarn add react-redux@latest

Overview, Compatibility, and Migration

Our public API is still the same ( <Provider>, connect and useSelector/useDispatch), but we've updated the internals to use the new useSyncExternalStore hook from React. React-Redux v8 is still compatible with all versions of React that have hooks (16.8+, 17.x, and 18.x; React Native 0.59+), and should just work out of the box.

In most cases, it's very likely that the only change you will need to make is bumping the package version to "react-redux": "^8.0".

If you are using the rarely-used connectAdvanced API, you will need to rewrite your code to avoid that, likely by using the hooks API instead. Similarly, the pure option for connect has been removed.

If you are using Typescript, React-Redux is now written in TS and includes its own types. You should remove any dependencies on @types/react-redux.

While not directly tied to React-Redux, note that the recently updated @types/react@18 major version has changed component definitions to remove having children as a prop by default. This causes errors if you have multiple copies of @types/react in your project. To fix this, tell your package manager to resolve @types/react to a single version. Details:

[React issue #24304: React 18 types broken since release](facebook/react#24304)

Additionally, please see the React post on How to Ugprade to React 18 for details on how to migrate existing apps to correctly use React 18 and take advantage of its new features.

Changelog

React 18 Compatibility

React-Redux now requires the new useSyncExternalStore API in React 18. By default, it uses the "shim" package which backfills that API in earlier React versions, so React-Redux v8 is compatible with all React versions that have hooks (16.8+, and React Native 0.59+) as its acceptable peer dependencies.

We'd especially like to thank the React team for their extensive support and cooperation during the useSyncExternalStore development effort. They specifically designed useSyncExternalStore to support the needs and use cases of React-Redux, and we used React-Redux v8 as a testbed for how useSyncExternalStore would behave and what it needed to cover. This in turn helped ensure that useSyncExternalStore would be useful and work correctly for other libraries in the ecosystem as well.

Our performance benchmarks show parity with React-Redux v7.2.5 for both connect and useSelector, so we do not anticipate any meaningful performance regressions.

useSyncExternalStore and Bundling

The useSyncExternalStore shim is imported directly in the main entry point, so it's always included in bundles even if you're using React 18. This adds roughly 600 bytes minified to your bundle size.

If you are using React 18 and would like to avoid that extra bundle cost, React-Redux now has a new /next entry point. This exports the exact same APIs, but directly imports useSyncExternalStore from React itself, and thus avoids including the shim. You can alias "react-redux": "react-redux/next" in your bundler to use that instead.

SSR and Hydration

React 18 introduces a new hydrateRoot method for hydrating the UI on the client in Server-Side Rendering usage. As part of that, the useSyncExternalStore API requires that we pass in an alternate state value other than what's in the actual Redux store, and that alternate value will be used for the entire initial hydration render to ensure the initial rehydrated UI is an exact match for what was rendered on the server. After the hydration render is complete, React will then apply any additional changes from the store state in a follow-up render.

React-Redux v8 supports this by adding a new serverState prop for <Provider>. If you're using SSR, you should pass your serialized state to <Provider> to ensure there are no hydration mismatch errors:

import { hydrateRoot } from 'react-dom/client'
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Commits

• 81203e6 Release 8.0.0
• d9464a7 Merge pull request #1902 from reduxjs/docs/v8-docs-updates
• 885c1cc Update docs for v8 final
• 1da5216 Merge pull request #1897 from reduxjs/bugfix/v8-merge-dispatchprop
• 7765805 Port DT fix for dispatchProp arg in mergeProps
• 80fc518 Release 8.0.0-rc.1
• d771e26 Merge pull request #1895 from reduxjs/feature/v8-peerdeps
• db94ad0 Widen React peer deps and add optional Redux dep for types
• 6aefb35 Remove leftover .only
• bf7f9b6 Merge pull request #1893 from kyletsang/fix-peerdeps
• Additional commits viewable in compare view

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[atomrc]

Issues filed on react-redux side reduxjs/react-redux#1909

[codecov]

Codecov Report

Merging #12853 (268889a) into dev (84c4950) will not change coverage.
The diff coverage is n/a.

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