Bump react-redux from 7.1.0 to 7.2.2

[dependabot-preview]

Bumps react-redux from 7.1.0 to 7.2.2.

Release notes

Sourced from react-redux's releases.

v7.2.2

This release allows you to use React Redux with React 17 without a warning when installing. That's about it.

Shameless self-promotion: Check out my new startup, Spaceship 🚀. We're building the Continuous Delivery system of the future.

Changes

• Upgrade react peer dependency to v17 (#1647 by @wachunei)

v7.2.1

This release improves useSelector value display in the React DevTools, fixes a potential race condition, and fixes a couple additional minor issues.

useSelector DevTools Display

The React DevTools normally show custom hooks with their inspected name (such as "Selector" for useSelector), and any calls to core hooks inside. This is not always informative, so React has the useDebugValue hook to allow custom hooks to specify what value should be shown instead.

useSelector now calls useDebugValue to specifically show the current selected value instead of its internal hooks usage.

Bug Fixes

This release has a few different bug fixes:

• A potential race condition when dispatching actions from child components in the commit phase vs selecting data in a parent
• Removed an excess new object creation when forcing a re-render
• Our internal prop name for a forwarded ref is now reactReduxForwardedRef to avoid a rare situation where someone else might be passing down a field named forwardedRef
• Fixed a typo in a useSelector error message

Changes

• Fix error message typo in useSelector ('You must pass a selector...). (@Pixelwelder - #1581)
• fix useSelector race condition with memoized selector when dispatching in child components useLayoutEffect as well as cDM/cDU (@dai-shi - #1536)
• removed a redundant object creation when using forceUpdate (@vzaidman - #1567)
• Rename internal forwardedRef usage (@dtschust - #1553)
• Show useSelector result in React DevTools (@Finesse - #1530)

v7.2.0

This release fixes two bugs, an algorithmic problem with unsubscribing components and a memory leak with connect. It also has optimizations for production bundle size, and adds a couple small improvements to developer readability while debugging.

Bug Fixes

connect in v7 is implemented using hooks, and the hooks usage captures numerous values from the surrounding scope. We received a PR informing us that the way we were capturing these values would likely result in a copy of the first version of its props being kept alive indefinitely.

This memory leak has been fixed by extracting a custom hook that receives all the necessary values as arguments, so that they're not captured via closure.

We also received a PR letting us know that the unsubscribe logic had a quadratic algorithm in it, as removing a subscriber would use an indexOf(listener) check to remove that callback. If there were a large number of subscribers, that line's runtime would increase rapidly, causing slowdowns.

This algorithm has been replaced with tracking subscribers via a linked list, which drastically improves the runtime of this section of the code even with large numbers of subscribers.

Thanks to @larrylin28 and @wurstbonbon for finding these bugs and submitting PRs to fix them!

Commits

• 1df5622 7.2.2
• 8010d86 Use a newer node
• 3a3dd04 Stop using Travis
• 52fdba2 Set up the test suite in Actions
• e00d63c Update and rename main.yaml to size.yaml
• 754c105 Update deps.
• 7eee197 Add info about useAppDispatch to docs (#1651)
• c4d81af Use main Reactiflux invite (#1648)
• 32c5216 Upgrade react peer dependency to v17 (#1647)
• e9094e7 Update docusaurus (#1638)
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #387.