Use fewer global variables in Hooks #17480
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This means that it's harder to find it since it's not in the dispatch function's stack but we can add a DEV only one for that if we really need it. Alternatively, we can check it in against the renderUpdates queue.
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When accessed, this should always be set. This could enforced by storing this on the dispatcher for example.
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acdlite
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Nov 28, 2019
acdlite
reviewed
Dec 2, 2019
| do { | ||
| didScheduleRenderPhaseUpdate = false; | ||
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| numberOfReRenders < RE_RENDER_LIMIT, |
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In the commit I mentioned that we could add a DEV warning to help this. However, I think I could do a follow up of this that uses the dispatcher to error instead in this: #17484
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* We don't need the global state for this * Move componentUpdateQueue and sideEffectTag out of global state * Move firstWorkInProgressHook off global state * Move remainingExpirationTime off global state * Reset fiber to its current state if it throws * Move rerender error check to avoid global state This means that it's harder to find it since it's not in the dispatch function's stack but we can add a DEV only one for that if we really need it. Alternatively, we can check it in against the renderUpdates queue. * Move next___Hook out of global state * Assert that currentlyRenderingFiber is always set When accessed, this should always be set. This could enforced by storing this on the dispatcher for example. * Add another test just to be safe
trueadm
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Dec 4, 2019
* We don't need the global state for this * Move componentUpdateQueue and sideEffectTag out of global state * Move firstWorkInProgressHook off global state * Move remainingExpirationTime off global state * Reset fiber to its current state if it throws * Move rerender error check to avoid global state This means that it's harder to find it since it's not in the dispatch function's stack but we can add a DEV only one for that if we really need it. Alternatively, we can check it in against the renderUpdates queue. * Move next___Hook out of global state * Assert that currentlyRenderingFiber is always set When accessed, this should always be set. This could enforced by storing this on the dispatcher for example. * Add another test just to be safe
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 <h3>Snyk has created this PR to upgrade react-dom from 16.8.4 to 16.14.0.</h3> :information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project. <hr/> - The recommended version is **13 versions** ahead of your current version. - The recommended version was released on **4 years ago**. <details> <summary><b>Release notes</b></summary> <br/> <details> <summary>Package name: <b>react-dom</b></summary> <ul> <li> <b>16.14.0</b> - <a href="https://redirect.github.com/facebook/react/releases/tag/v16.14.0">2020-10-14</a></br><h3>React</h3> <ul> <li>Add support for the <a href="https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html" rel="nofollow">new JSX transform</a>. (<a href="https://redirect.github.com/lunaruan">@ lunaruan</a> in <a href="https://redirect.github.com/facebook/react/pull/18299" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/18299/hovercard">#18299</a>)</li> </ul> </li> <li> <b>16.13.1</b> - <a href="https://redirect.github.com/facebook/react/releases/tag/v16.13.1">2020-03-19</a></br><h3>React DOM</h3> <ul> <li>Fix bug in legacy mode Suspense where effect clean-up functions are not fired. This only affects users who use Suspense for data fetching in legacy mode, which is not technically supported. (<a href="https://redirect.github.com/acdlite">@ acdlite</a> in <a href="https://redirect.github.com/facebook/react/pull/18238" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/18238/hovercard">#18238</a>)</li> <li>Revert warning for cross-component updates that happen inside class render lifecycles (<code>componentWillReceiveProps</code>, <code>shouldComponentUpdate</code>, and so on). (<a href="https://redirect.github.com/gaearon">@ gaearon</a> in <a href="https://redirect.github.com/facebook/react/pull/18330" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/18330/hovercard">#18330</a>)</li> </ul> <h2>Artifacts</h2> <ul> <li>react: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>react-art: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>react-dom: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>react-is: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>react-test-renderer: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>scheduler: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> </ul> </li> <li> <b>16.13.0</b> - <a href="https://redirect.github.com/facebook/react/releases/tag/v16.13.0">2020-02-26</a></br><h3>React</h3> <ul> <li>Warn when a string ref is used in a manner that's not amenable to a future codemod (<a href="https://redirect.github.com/lunaruan">@ lunaruan</a> in <a href="https://redirect.github.com/facebook/react/pull/17864" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17864/hovercard">#17864</a>)</li> <li>Deprecate <code>React.createFactory()</code> (<a href="https://redirect.github.com/trueadm">@ trueadm</a> in <a href="https://redirect.github.com/facebook/react/pull/17878" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17878/hovercard">#17878</a>)</li> </ul> <h3>React DOM</h3> <ul> <li>Warn when changes in <code>style</code> may cause an unexpected collision (<a href="https://redirect.github.com/sophiebits">@ sophiebits</a> in <a href="https://redirect.github.com/facebook/react/pull/14181" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/14181/hovercard">#14181</a>, <a href="https://redirect.github.com/facebook/react/pull/18002" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/18002/hovercard">#18002</a>)</li> <li>Warn when a function component is updated during another component's render phase (<a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/acdlite/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://redirect.github.com/acdlite">@ acdlite</a> in <a href="https://redirect.github.com/facebook/react/pull/17099" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17099/hovercard">#17099</a>)</li> <li>Deprecate <code>unstable_createPortal</code> (<a href="https://redirect.github.com/trueadm">@ trueadm</a> in <a href="https://redirect.github.com/facebook/react/pull/17880" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17880/hovercard">#17880</a>)</li> <li>Fix <code>onMouseEnter</code> being fired on disabled buttons (<a href="https://redirect.github.com/AlfredoGJ">@ AlfredoGJ</a> in <a href="https://redirect.github.com/facebook/react/pull/17675" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17675/hovercard">#17675</a>)</li> <li>Call <code>shouldComponentUpdate</code> twice when developing in <code>StrictMode</code> (<a href="https://redirect.github.com/bvaughn">@ bvaughn</a> in <a href="https://redirect.github.com/facebook/react/pull/17942" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17942/hovercard">#17942</a>)</li> <li>Add <code>version</code> property to ReactDOM (<a href="https://redirect.github.com/ealush">@ ealush</a> in <a href="https://redirect.github.com/facebook/react/pull/15780" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/15780/hovercard">#15780</a>)</li> <li>Don't call <code>toString()</code> of <code>dangerouslySetInnerHTML</code> (<a href="https://redirect.github.com/sebmarkbage">@ sebmarkbage</a> in <a href="https://redirect.github.com/facebook/react/pull/17773" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17773/hovercard">#17773</a>)</li> <li>Show component stacks in more warnings (<a href="https://redirect.github.com/gaearon">@ gaearon</a> in <a href="https://redirect.github.com/facebook/react/pull/17922" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17922/hovercard">#17922</a>, <a href="https://redirect.github.com/facebook/react/pull/17586" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17586/hovercard">#17586</a>)</li> </ul> <h3>Concurrent Mode (Experimental)</h3> <ul> <li>Warn for problematic usages of <code>ReactDOM.createRoot()</code> (<a href="https://redirect.github.com/trueadm">@ trueadm</a> in <a href="https://redirect.github.com/facebook/react/pull/17937" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17937/hovercard">#17937</a>)</li> <li>Remove <code>ReactDOM.createRoot()</code> callback params and added warnings on usage (<a href="https://redirect.github.com/bvaughn">@ bvaughn</a> in <a href="https://redirect.github.com/facebook/react/pull/17916" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17916/hovercard">#17916</a>)</li> <li>Don't group Idle/Offscreen work with other work (<a href="https://redirect.github.com/sebmarkbage">@ sebmarkbage</a> in <a href="https://redirect.github.com/facebook/react/pull/17456" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17456/hovercard">#17456</a>)</li> <li>Adjust <code>SuspenseList</code> CPU bound heuristic (<a href="https://redirect.github.com/sebmarkbage">@ sebmarkbage</a> in <a href="https://redirect.github.com/facebook/react/pull/17455" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17455/hovercard">#17455</a>)</li> <li>Add missing event plugin priorities (<a href="https://redirect.github.com/trueadm">@ trueadm</a> in <a href="https://redirect.github.com/facebook/react/pull/17914" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17914/hovercard">#17914</a>)</li> <li>Fix <code>isPending</code> only being true when transitioning from inside an input event (<a href="https://redirect.github.com/acdlite">@ acdlite</a> in <a href="https://redirect.github.com/facebook/react/pull/17382" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17382/hovercard">#17382</a>)</li> <li>Fix <code>React.memo</code> components dropping updates when interrupted by a higher priority update (<a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/acdlite/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://redirect.github.com/acdlite">@ acdlite</a> in <a href="https://redirect.github.com/facebook/react/pull/18091" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/18091/hovercard">#18091</a>)</li> <li>Don't warn when suspending at the wrong priority (<a href="https://redirect.github.com/gaearon">@ gaearon</a> in <a href="https://redirect.github.com/facebook/react/pull/17971" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17971/hovercard">#17971</a>)</li> <li>Fix a bug with rebasing updates (<a href="https://redirect.github.com/acdlite">@ acdlite</a> and <a href="https://redirect.github.com/sebmarkbage">@ sebmarkbage</a> in <a href="https://redirect.github.com/facebook/react/pull/17560" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17560/hovercard">#17560</a>, <a href="https://redirect.github.com/facebook/react/pull/17510" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17510/hovercard">#17510</a>, <a href="https://redirect.github.com/facebook/react/pull/17483" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17483/hovercard">#17483</a>, <a href="https://redirect.github.com/facebook/react/pull/17480" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17480/hovercard">#17480</a>)</li> </ul> <h2>Artifacts</h2> <ul> <li>react: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>react-art: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>react-dom: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>react-is: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>react-test-renderer: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> <li>scheduler: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></li> </ul> </li> <li> <b>16.12.0</b> - <a href="https://redirect.github.com/facebook/react/releases/tag/v16.12.0">2019-11-14</a></br><h3>React DOM</h3> <ul> <li>Fix passive effects (<code>useEffect</code>) not being fired in a multi-root app. (<a href="https://redirect.github.com/acdlite">@ acdlite</a> in <a href="https://redirect.github.com/facebook/react/pull/17347" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17347/hovercard">#17347</a>)</li> </ul> <h3>React Is</h3> <ul> <li>Fix <code>lazy</code> and <code>memo</code> types considered elements instead of components (<a href="https://redirect.github.com/bvaughn">@ bvaughn</a> in <a href="https://redirect.github.com/facebook/react/pull/17278" data-hovercard-type="pull_request" data-hovercard-url="/facebook/react/pull/17278/hovercard">#17278</a>)</li> </ul> <h2>Artifacts</h2> <p>• react: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a><br> • react-art: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a><br> • react-dom: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a><br> • react-is: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a><br> • react-test-renderer: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a><br> • scheduler: <a href="https://unpkg.com/[email protected]/umd/" rel="nofollow">https://unpkg.com/[email protected]/umd/</a></p> </li> <li> <b>16.11.0</b> - 2019-10-22 </li> <li> <b>16.10.2</b> - 2019-10-03 </li> <li> <b>16.10.1</b> - 2019-09-28 </li> <li> <b>16.10.0</b> - 2019-09-27 </li> <li> <b>16.9.0</b> - 2019-08-08 </li> <li> <b>16.9.0-rc.0</b> - 2019-08-05 </li> <li> <b>16.9.0-alpha.0</b> - 2019-04-03 </li> <li> <b>16.8.6</b> - 2019-03-28 </li> <li> <b>16.8.5</b> - 2019-03-22 </li> <li> <b>16.8.4</b> - 2019-03-05 </li> </ul> from <a href="https://redirect.github.com/facebook/react/releases">react-dom GitHub release notes</a> </details> </details> --- > [!IMPORTANT] > > - Check the changes in this PR to 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Module level variables is an exception that we should use sparingly. It will make using multiple threads in a threaded implementation infeasible, harder to port to stricter languages, it's harder to reason about the performance and it is kind of hard to reason about whether these are allowed to diverge from the main state.