Bump @reduxjs/toolkit from 1.5.1 to 1.6.0

[dependabot]

Bumps @reduxjs/toolkit from 1.5.1 to 1.6.0.

Release notes

Sourced from @​reduxjs/toolkit's releases.

v1.6.0 : RTK Query!

This release adds the new RTK Query data fetching APIs to Redux Toolkit. It also adds multiple new options to createAsyncThunk for including meta fields and working with results, updates dependencies to Redux 4.1 and Immer 9, and includes a complete rewrite of our build toolchain with additional "modern" build artifacts in the package.

While this is a minor release in terms of semver, this is a huge update in terms of functionality, scope, and effort. We're excited about how these new APIs will help our users build better applications with less code and better behavior!

Installation:

npm i @reduxjs/toolkit@latest
yarn add @​reduxjs/toolkit@​latest

Upgrade Note: During the alphas, we received some reports of users seeing incorrect types after installing the RTK 1.6 previews. The problems appeared to be caused by multiple versions of the redux package ending up in a project's node_modules folder. If you see this issue, you may need to uninstall and reinstall react-redux with the latest version, to help ensure no redux duplicates are in the package tree.

Changelog

RTK Query Data Caching API

RTK Query is a powerful data fetching and caching tool. It is designed to simplify common cases for loading data in a web application, eliminating the need to hand-write data fetching & caching logic yourself.

RTK Query is an optional addon included in the Redux Toolkit package, and its functionality is built on top of the other APIs in Redux Toolkit.

See the RTK Query usage guides and API reference docs for complete information on how to use RTK Query:

https://redux-toolkit.js.org/rtk-query/overview

Motivation

Web applications normally need to fetch data from a server in order to display it. They also usually need to make updates to that data, send those updates to the server, and keep the cached data on the client in sync with the data on the server. This is made more complicated by the need to implement other behaviors used in today's applications:

• Tracking loading state in order to show UI spinners
• Avoiding duplicate requests for the same data
• Optimistic updates to make the UI feel faster
• Managing cache lifetimes as the user interacts with the UI

The Redux core has always been very minimal - it's up to developers to write all the actual logic. That means that Redux has never included anything built in to help solve these use cases. The Redux docs have taught some common patterns for dispatching actions around the request lifecycle to track loading state and request results, and Redux Toolkit's createAsyncThunk API was designed to abstract that typical pattern. However, users still have to write significant amounts of reducer logic to manage the loading state and the cached data.

Over the last couple years, the React community has come to realize that "data fetching and caching" is really a different set of concerns than "state management". While you can use a state management library like Redux to cache data, the use cases are different enough that it's worth using tools that are purpose-built for the data fetching use case.

RTK Query takes inspiration from other tools that have pioneered solutions for data fetching, like Apollo Client, React Query, Urql, and SWR, but adds a unique approach to its API design:

• The data fetching and caching logic is built on top of Redux Toolkit's createSlice and createAsyncThunk APIs
• Because Redux Toolkit is UI-agnostic, RTK Query's functionality can be used with any UI layer
• API endpoints are defined ahead of time, including how to generate query parameters from arguments and transform responses for caching
• RTK Query can also generate React hooks that encapsulate the entire data fetching process, provide data and isLoading fields to components, and manage the lifetime of cached data as components mount and unmount
• RTK Query provides "cache entry lifecycle" options that enable use cases like streaming cache updates via websocket messages after fetching the initial data
• We have early working examples of code generation of API slices from OpenAPI and GraphQL schemas
• Finally, RTK Query is completely written in TypeScript, and is designed to provide an excellent TS usage experience

... (truncated)

Commits

• 8910a61 1.6.0
• b718e01 Merge pull request #1016 from reduxjs/feature/v1.6-integration
• 034bdec Merge branch 'master' into feature/v1.6-integration
• 17d4629 Merge pull request #1140 from reduxjs/docs/rtkq-exports
• dac5b00 Remove legacy RTKQ incubator files
• 4a1d92f Add API docs for miniSerializeError and copyWithStructuralSharing
• bdc4e3f Merge pull request #1115 from Shrugsy/docs/dynamic-base-url-example-snippet
• 0075ca9 Merge pull request #1138 from reduxjs/docs/final-rtkq-cleanup
• f9f85c7 add TS 4.3 to test matrix, disable strictOptionalProperties for TS4.4 (#1137)
• 9e76b6b Add NgRx interop links
• Additional commits viewable in compare view

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