Bump react-redux from 5.0.6 to 7.0.2

[dependabot-preview]

Bumps react-redux from 5.0.6 to 7.0.2.

Release notes

Sourced from react-redux's releases.

v7.0.2

This is a bug fix release with a small performance improvement and fix for nested component unmounting.

Changes

• Memoize renderedWrappedComponent separately (#1234 by @​vzaidman)
• Fix timing issue with setting up store subscription inside a connected component (#1235 by @​MrWolfZ)

v7.0.1

React-Redux version 7 resolves the performance issues that were reported with version 6, and lays the groundwork for us to design and ship a public useRedux()-type Hooks API in a later 7.x release.

The major change for this release is that connect is now implemented using Hooks internally. Because of this, we now require a minimum React version of 16.8.4 or higher.

This release has undergone extensive performance benchmarking, and we're confident that it's the fastest version of React-Redux yet! We've also expanded our test suite to cover a number of additional use cases and scenarios.

npm install react-redux@latest

For discussion on the reasons for the major version change and the development process, see:

[issue #1177 - React-Redux Roadmap: v6, Context, Subscriptions, and Hooks](https://github-redirect.dependabot.com/reduxjs/react-redux/issues/1177).

For discussion on the possible design of a future public hooks API, see:

[issue #1179: Discussion: Potential hooks API design](https://github-redirect.dependabot.com/reduxjs/react-redux/issues/1179)

Changes

This release should be public-API-compatible with version 6. The only public breaking change is the update of our React peer dependency from 16.4 to 16.8.4.

Note: connect now uses React.memo() internally, which returns a special object rather than a function. Any code that assumed React components are only functions is wrong, and has been wrong since the release of React 16.6. If you were using PropTypes to check for valid component types, you should change from PropTypes.func to PropTypes.elementType instead.

Internal Changes

Direct Component Subscriptions

In v6, we switched from individual components subscribing to the store, to having <Provider> subscribe and components read the store state from React's Context API. This worked, but unfortunately the Context API isn't as optimized for frequent updates as we'd hoped, and our usage patterns led to some folks reporting performance issues in some scenarios.

In v7, we've switched back to using direct subscriptions internally, which should improve performance considerably.

(This does result in some changes that are visible to user-facing code, in that updates dispatched in React lifecycle methods are immediately reflected in later component updates. Examples of this include components dispatching while mounting in an SSR environment. This was the behavior through v5, and is not considered part of our public API.)

Batched Updates

React has an unstable_batchedUpdates API that it uses to group together multiple updates from the same event loop tick. The React team encouraged us to use this, and we've updated our internal Redux subscription handling to leverage this API. This should also help improve performance, by cutting down on the number of distinct renders caused by a Redux store update.

connect Rewritten with Hooks

We've reimplemented our connect wrapper component to use hooks internally. While it may not be visible to you, it's nice to know we can take advantage of the latest React goodies!

... (truncated)

Commits

• 8853327 7.0.2
• c315d4d Switch back to plain Jest
• 8719eda memoize renderedWrappedComponent separately to prevent this step from being p...
• 7555eae fix timing issue with setting up store subscription inside a connected compon...
• 7402f72 Update v7 docs to be "current version" (#1222)
• 5c69baf 7.0.1
• 4bed472 Update README
• 608c9c5 7.0.0
• fa58572 Use Hooks internally (aka 7.0) (#1209)
• eae14cc Enable versioned docs (#1106)
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #318.