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chore(deps): update dependency redux to v5 #2282

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This PR contains the following updates:

Package Change Age Adoption Passing Confidence
redux (source) ^3 -> ^3 || ^5.0.0 age adoption passing confidence
redux (source) 3.7.2 -> 5.0.1 age adoption passing confidence

Release Notes

reduxjs/redux (redux)

v5.0.1

Compare Source

This patch release adjusts the isPlainObject util to allow objects created via Object.create(null), and fixes a type issue which accidentally made the store state type non-nullable.

What's Changed

Full Changelog: reduxjs/redux@v5.0.0...v5.0.1

v5.0.0

Compare Source

This major release:

  • Converts the codebase to TypeScript
  • Updates the packaging for better ESM/CJS compatibility and modernizes the build output
  • Requires that action.type must be a string
  • Continues to mark createStore as deprecated
  • Deprecates the AnyAction type in favor of an UnknownAction type that is used everywhere
  • Removes the PreloadedState type in favor of a new generic argument for the Reducer type.

This release has breaking changes.

This release is part of a wave of major versions of all the Redux packages: Redux Toolkit 2.0, Redux core 5.0, React-Redux 9.0, Reselect 5.0, and Redux Thunk 3.0.

For full details on all of the breaking changes and other significant changes to all of those packages, see the "Migrating to RTK 2.0 and Redux 5.0" migration guide in the Redux docs.

[!NOTE]
The Redux core, Reselect, and Redux Thunk packages are included as part of Redux Toolkit, and RTK users do not need to manually upgrade them - you'll get them as part of the upgrade to RTK 2.0. (If you're not using Redux Toolkit yet, please start migrating your existing legacy Redux code to use Redux Toolkit today!)

### RTK
npm install @​reduxjs/toolkit
yarn add @​reduxjs/toolkit

### Standalone
npm install redux
yarn add redux

Changelog

ESM/CJS Package Compatibility

The biggest theme of the Redux v5 and RTK 2.0 releases is trying to get "true" ESM package publishing compatibility in place, while still supporting CJS in the published package.

The primary build artifact is now an ESM file, dist/redux.mjs. Most build tools should pick this up. There's also a CJS artifact, and a second copy of the ESM file named redux.legacy-esm.js to support Webpack 4 (which does not recognize the exports field in package.json). Additionally, all of the build artifacts now live under ./dist/ in the published package.

Modernized Build Output

We now publish modern JS syntax targeting ES2020, including optional chaining, object spread, and other modern syntax. If you need to

Build Tooling

We're now building the package using https://github.com/egoist/tsup. We also now include sourcemaps for the ESM and CJS artifacts.

Dropping UMD Builds

Redux has always shipped with UMD build artifacts. These are primarily meant for direct import as script tags, such as in a CodePen or a no-bundler build environment.

We've dropped those build artifacts from the published package, on the grounds that the use cases seem pretty rare today.

There's now a redux.browser.mjs file in the package that can be loaded from a CDN like Unpkg.

If you have strong use cases for us continuing to include UMD build artifacts, please let us know!

createStore Marked Deprecated

In Redux 4.2.0, we marked the original createStore method as @deprecated. Strictly speaking, this is not a breaking change, nor is it new in 5.0, but we're documenting it here for completeness.

This deprecation is solely a visual indicator that is meant to encourage users to migrate their apps from legacy Redux patterns to use the modern Redux Toolkit APIs.

The deprecation results in a visual strikethrough when imported and used, like createStore, but with no runtime errors or warnings.

createStore will continue to work indefinitely, and will not ever be removed. But, today we want all Redux users to be using Redux Toolkit for all of their Redux logic.

To fix this, there are three options:

  • Follow our strong suggestion to switch over to Redux Toolkit and configureStore
  • Do nothing. It's just a visual strikethrough, and it doesn't affect how your code behaves. Ignore it.
  • Switch to using the legacy_createStore API that is now exported, which is the exact same function but with no @deprecated tag. The simplest option is to do an aliased import rename, like import { legacy_createStore as createStore } from 'redux'
Action types must be strings

We've always specifically told our users that actions and state must be serializable, and that action.type should be a string. This is both to ensure that actions are serializable, and to help provide a readable action history in the Redux DevTools.

store.dispatch(action) now specifically enforces that action.type must be a string and will throw an error if not, in the same way it throws an error if the action is not a plain object.

In practice, this was already true 99.99% of the time and shouldn't have any effect on users (especially those using Redux Toolkit and createSlice), but there may be some legacy Redux codebases that opted to use Symbols as action types.

TypeScript Changes

We've dropped support for TS 4.6 and earlier, and our support matrix is now TS 4.7+.

Typescript rewrite

In 2019, we began a community-powered conversion of the Redux codebase to TypeScript. The original effort was discussed in #​3500: Port to TypeScript, and the work was integrated in PR #​3536: Convert to TypeScript.

However, the TS-converted code sat around in the repo for several years, unused and unpublished, due to concerns about possible compatibility issues with the existing ecosystem (as well as general inertia on our part).

Redux core v5 is now built from that TS-converted source code. In theory, this should be almost identical in both runtime behavior and types to the 4.x build, but it's very likely that some of the changes may cause types issues.

Please report any unexpected compatibility issues!!

AnyAction deprecated in favour of UnknownAction

The Redux TS types have always exported an AnyAction type, which is defined to have {type: string} and treat any other field as any. This makes it easy to write uses like console.log(action.whatever), but unfortunately does not provide any meaningful type safety.

We now export an UnknownAction type, which treats all fields other than action.type as unknown. This encourages users to write type guards that check the action object and assert its specific TS type. Inside of those checks, you can access a field with better type safety.

UnknownAction is now the default any place in the Redux source that expects an action object.

AnyAction still exists for compatibility, but has been marked as deprecated.

Note that Redux Toolkit's action creators have a .match() method that acts as a useful type guard:

if (todoAdded.match(someUnknownAction)) {
  // action is now typed as a PayloadAction<Todo>
}

You can also use the new isAction util to check if an unknown value is some kind of action object.

Middleware type changed - Middleware action and next are typed as unknown

Previously, the next parameter is typed as the D type parameter passed, and action is typed as the Action extracted from the dispatch type. Neither of these are a safe assumption:

  • next would be typed to have all of the dispatch extensions, including the ones earlier in the chain that would no longer apply.
    • Technically it would be mostly safe to type next as the default Dispatch implemented by the base redux store, however this would cause next(action) to error (as we cannot promise action is actually an Action) - and it wouldn't account for any following middlewares that return anything other than the action they're given when they see a specific action.
  • action is not necessarily a known action, it can be literally anything - for example a thunk would be a function with no .type property (so AnyAction would be inaccurate)

We've changed next to be (action: unknown) => unknown (which is accurate, we have no idea what next expects or will return), and changed the action parameter to be unknown (which as above, is accurate).

In order to safely interact with values or access fields inside of the action argument, you must first do a type guard check to narrow the type, such as isAction(action) or someActionCreator.match(action).

This new type is incompatible with the v4 Middleware type, so if a package's middleware is saying it's incompatible, check which version of Redux it's getting its types from!

PreloadedState type removed in favour of Reducer generic

We've made tweaks to the TS types to improve type safety and behavior.

First, the Reducer type now has a PreloadedState possible generic:

type Reducer<S, A extends Action, PreloadedState = S> = (
  state: S | PreloadedState | undefined,
  action: A
) => S

Per the explanation in #​4491:

Why the need for this change? When the store is first created by createStore/configureStore, the initial state is set to whatever is passed as the preloadedState argument (or undefined if nothing is passed). That means that the first time that the reducer is called, it is called with the preloadedState. After the first call, the reducer is always passed the current state (which is S).

For most normal reducers, S | undefined accurately describes what can be passed in for the preloadedState. However the combineReducers function allows for a preloaded state of Partial<S> | undefined.

The solution is to have a separate generic that represents what the reducer accepts for its preloaded state. That way createStore can then use that generic for its preloadedState argument.

Previously, this was handled by a $CombinedState type, but that complicated things and led to some user-reported issues. This removes the need for $CombinedState altogether.

This change does include some breaking changes, but overall should not have a huge impact on users upgrading in user-land:

  • The Reducer, ReducersMapObject, and createStore/configureStore types/function take an additional PreloadedState generic which defaults to S.
  • The overloads for combineReducers are removed in favor of a single function definition that takes the ReducersMapObject as its generic parameter. Removing the overloads was necessary with these changes, since sometimes it was choosing the wrong overload.
  • Enhancers that explicitly list the generics for the reducer will need to add the third generic.
Other Changes
Internal Listener Implementation

The Redux store has always used an array to track listener callbacks, and used listeners.findIndex to remove listeners on unsubscribe. As we found in React-Redux, that can have perf issues when many listeners are unsubscribing at once.

In React-Redux, we fixed that with a more sophisticated linked list approach. Here, we've updated the listeners to be stored in a Map instead, which has better delete performance than an array.

In practice this shouldn't have any real effect, because React-Redux sets up a subscription in <Provider>, and all nested components subscribe to that. But, nice to fix it here as well.

isAction Predicate

We recently added an isAction predicate to RTK, then realized it's better suited for the Redux core. This can be used anywhere you have a value that could be a Redux action object, and you need to check if it is actually an action. This is specifically useful for use with the updated Redux middleware TS types, where the default value is now unknown and you need to use a type guard to tell TS that the current value is actually an action:

We've also exported the isPlainObject util that's been in the Redux codebase for years as well.

What's Changed

Entirely too many PRs to list here, as it's been a few years since 4.2 was released :) See the diff below.

Full Changelog: reduxjs/redux@v4.2.1...v5.0.0

v4.2.1

Compare Source

This bugfix release removes the isMinified internal check to fix a compat issue with Expo. That check has added in early 2016, soon after Redux 3.0 was released, at a time when it was still less common to use bundlers with proper production build settings. Today that check is irrelevant, so we've removed it.

What's Changed

Full Changelog: reduxjs/redux@v4.2.0...v4.2.1

v4.2.0

Compare Source

This release marks the original createStore API as @deprecated to encourage users to migrate to Redux Toolkit, and adds a new legacy_createStore API as an alias without the deprecation warning.

Goal

Redux Toolkit (the @reduxjs/toolkit package) is the right way for Redux users to write Redux code today:

https://redux.js.org/introduction/why-rtk-is-redux-today

Unfortunately, many tutorials are still showing legacy "hand-written" Redux patterns, which result in a much worse experience for users. New learners going through a bootcamp or an outdated Udemy course just follow the examples they're being shown, don't know that RTK is the better and recommended approach, and don't even think to look at our docs.

Given that, the goal is to provide them with a visual indicator in their editor, like createStore . When users hover over the createStore import or function call, the doc tooltip recommends using configureStore from RTK instead, and points them to that docs page. We hope that new learners will see the strikethrough, read the tooltip, read the docs page, learn about RTK, and begin using it.

To be extremely clear:

WE ARE NOT GOING TO ACTUALLY REMOVE THE createStore API, AND ALL YOUR EXISTING CODE WILL STILL CONTINUE TO WORK AS-IS!

We are just marking createStore as "deprecated":

"the discouragement of use of some feature or practice, typically because it has been superseded or is no longer considered efficient or safe, without completely removing it or prohibiting its use"

For additional details, see the extensive discussion in https://github.com/reduxjs/redux/issues/4325 .

Rationale

  • RTK provides a vastly improved Redux usage experience, with APIs that simplify standard usage patterns and eliminate common bugs like accidental mutations
  • We've had suggestions to merge all of RTK into the redux core package, or fully deprecate the entire redux package and rename it to @reduxjs/core. Unfortunately, those bring up too many complexities:
    • We already had a package rename from redux-starter-kit to @reduxjs/toolkit, and all of our docs and tutorials have pointed to it for the last three years. I don't want to put users through another whiplash package transition for no real benefit
    • Merging or rearranging our packages would effectively require merging all of the Redux repos into a single monorepo. That would require hundreds of hours of effort from us maintainers, including needing to somehow merge all of our docs sites together. We don't have the time to do that.
  • I don't want to add runtime warnings that would be really annoying

So, this is the minimum possible approach we can take to reach out to users who otherwise would never know that they are following outdated patterns, while avoiding breaking running user code or having to completely rewrite our package and repo structure.

Results

When a user imports createStore in their editor, they will see a visual strikethrough. Hovering over it will show a doc tooltip that encourages them to use configureStore from RTK, and points to an explanatory docs page:

image

Again, no broken code, and no runtime warnings.

If users do not want to see that strikethrough, they have three options:

  • Follow our suggestion to switch over to Redux Toolkit and configureStore
  • Do nothing. It's just a visual strikethrough, and it doesn't affect how your code behaves. Ignore it.
  • Switch to using the legacy_createStore API that is now exported, which is the exact same function but with no @deprecation tag. The simplest option is to do an aliased import rename:

image

What's Changed

Full Changelog: reduxjs/redux@v4.1.2...v4.2.0

v4.1.2

Compare Source

This release fixes a small specific TS types issue where state types that had a nested unknown field inside would cause compilation failures when used as the preloadedState argument.

What's Changed

Full Changelog: reduxjs/redux@v4.1.1...v4.1.2

v4.1.1

Compare Source

Just a small fix for Safari users in development mode.

Changes

v4.1.0

Compare Source

This release shrinks our bundle size via error message extraction, updates several error messages for clarity, and optimizes our list of runtime dependencies.

Overall, version 4.1 shrinks from 2.6K min+gz to 1.6K min+gz thanks to these changes.

Be sure to check out the Redux Toolkit 1.6 alpha containing our new "RTK Query" data fetching APIs! It also includes Redux 4.1 as a dependency.

Changelog

Error Message Extraction and Improvements

We now extract all of our error messages from production builds in order to save on bundle size, using a technique inspired from React's error code extraction. The error messages will still show as normal in development, but in production they will reference a specific numeric error code and provide a link to a Redux docs page that has the full error message.

An example of this is: https://redux.js.org/errors?code=5 , which shows the "can't subscribe while reducers are executing" error.

The error code extraction saves about 800 bytes out of a production build.

Thanks to @​andrewmcgivery for doing all the hard work on implementing the error extraction!

We've also updated many of our error messages to provide additional details at runtime about what happened, especially runtime type checks such as "actions must be plain objects". They now provide a more specific type for the unexpected value, such as indicating promise or function:

    expect(() => store.dispatch(() => {})).toThrow(
      /the actual type was: 'function'/
    )

    expect(() => store.dispatch(new Date())).toThrow(
      /the actual type was: 'date'/
    )
Dependency Updates

We've updated the list of runtime dependencies for Redux:

  • We inlined the symbol-observable polyfill. This shrinks bundle size by a few bytes,
  • We've removed the legacy loose-envify dependency, which was only ever needed by Browserify users. If you still happen to be using Browserify, please review your build settings and see if you need to make any updates.
  • We now explicitly depend on @babel/runtime to extract some additional helpers out of our bundle. It's likely that your app already is pulling in those helpers anyway, so that removes some potential duplication.
Typing Tweaks

We've merged fixes for a couple edge cases in the 4.x TS typings related to state types.

Changes

v4.0.5

Compare Source

This release includes a memory leak fix, and a fix for removing reducers with replaceReducer and combineReducers.

There are also some TypeScript changes, which require version 3.5 or higher. This also removes our DeepPartial type, which wasn't intended to be a public API. If you need this type, you can find an equivalent of likely higher quality in the utility-types package.

Speaking of TypeScript, we are done with converting the code to TypeScript on master and are looking to get some TS improvements in before launching 5.0. If you're interested in helping, feel free to submit a PR with anything you'd like to contribute.

Changes

v4.0.4

Compare Source

This is a republish of 4.0.3 with an updated version of Babel to fix #​3468

Changes

v4.0.3

Compare Source

This is a quick revert of a change to our typings that broke compatibility. Apologies for the problems.

Also, if you are experiencing type errors related to [Symbol.observable], please ensure you have the same version of redux installed for all your dependencies with npm ls redux.

Changes

v4.0.2

Compare Source

This is a very minor release with some nice improvements to our TypeScript type definitions. Enjoy!

Changes

v4.0.1

Compare Source

A very minor release. We've upgraded to Babel 7 internally and now provide a .mjs file which you can import cleanly into browsers that support ES modules natively. Enjoy!

Changes

v4.0.0

Compare Source

Redux 4 is here! 🎉

If you're a React user, this is going to be a lot like going from 15 to 16. Not a lot of user-facing changes, but some interesting improvements under the hood.

The major changes (#​1342) are around our TypeScript definitions, bundled CommonJS and ES builds, throwing if you subscribe or getState from a reducer, and a bunch of other smaller things. The full changes are listed below.

Enjoy!

Changes

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

  • If you want to rebase/retry this PR, check this box

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@renovate renovate bot added the dependencies Pull requests that update a dependency file label Dec 7, 2023
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renovate bot commented Dec 7, 2023

⚠ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

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  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
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The artifact failure details are included below:

File name: package-lock.json
npm WARN cli npm v10.2.5 does not support Node.js v16.20.2. This version of npm supports the following node versions: `^18.17.0 || >=20.5.0`. You can find the latest version at https://nodejs.org/.
npm WARN cli npm v10.2.5 does not support Node.js v16.20.2. This version of npm supports the following node versions: `^18.17.0 || >=20.5.0`. You can find the latest version at https://nodejs.org/.
npm ERR! code ERESOLVE
npm ERR! ERESOLVE could not resolve
npm ERR! 
npm ERR! While resolving: [email protected]
npm ERR! Found: [email protected]
npm ERR! node_modules/redux
npm ERR!   dev redux@"5.0.0" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer redux@"^2.0.0 || ^3.0.0 || ^4.0.0-0" from [email protected]
npm ERR! node_modules/react-redux
npm ERR!   dev react-redux@"5.1.0" from the root project
npm ERR!   peer react-redux@"^5.0.1" from [email protected]
npm ERR!   node_modules/react-intl-redux
npm ERR!     dev react-intl-redux@"2.0.0" from the root project
npm ERR! 
npm ERR! Conflicting peer dependency: [email protected]
npm ERR! node_modules/redux
npm ERR!   peer redux@"^2.0.0 || ^3.0.0 || ^4.0.0-0" from [email protected]
npm ERR!   node_modules/react-redux
npm ERR!     dev react-redux@"5.1.0" from the root project
npm ERR!     peer react-redux@"^5.0.1" from [email protected]
npm ERR!     node_modules/react-intl-redux
npm ERR!       dev react-intl-redux@"2.0.0" from the root project
npm ERR! 
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resolution.
npm ERR! 
npm ERR! 
npm ERR! For a full report see:
npm ERR! /tmp/worker/e3c29d/a302c1/cache/others/npm/_logs/2023-12-07T04_34_45_278Z-eresolve-report.txt

npm ERR! A complete log of this run can be found in: /tmp/worker/e3c29d/a302c1/cache/others/npm/_logs/2023-12-07T04_34_45_278Z-debug-0.log

@renovate renovate bot changed the title chore(deps): update dependency redux to v5 chore(deps): update dependency redux to v5 - autoclosed Dec 8, 2024
@renovate renovate bot closed this Dec 8, 2024
@renovate renovate bot deleted the renovate/redux-5.x branch December 8, 2024 18:45
@github-actions github-actions bot locked and limited conversation to collaborators Dec 8, 2024
@renovate renovate bot changed the title chore(deps): update dependency redux to v5 - autoclosed chore(deps): update dependency redux to v5 Dec 9, 2024
@renovate renovate bot reopened this Dec 9, 2024
@renovate renovate bot force-pushed the renovate/redux-5.x branch from 1174357 to 41b44d3 Compare December 9, 2024 12:19
@renovate renovate bot force-pushed the renovate/redux-5.x branch from 41b44d3 to ee1f5ca Compare February 11, 2025 01:01
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