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@threepointone threepointone commented Aug 7, 2019

In a previous version of act(), we used a dummy dom element to flush effects. This doesn't need to exist anymore, and this PR removes it. The warning doesn't need to be there either (React will fire a wrong renderer act warning if needed).

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sizebot commented Aug 7, 2019

ReactDOM: size: 0.0%, gzip: -0.0%

Details of bundled changes.

Comparing: 66a4742...94e5f8f

react-dom

File Filesize Diff Gzip Diff Prev Size Current Size Prev Gzip Current Gzip ENV
react-dom.profiling.min.js 0.0% -0.0% 114.76 KB 114.76 KB 36.26 KB 36.26 KB NODE_PROFILING
react-dom-server.browser.development.js 0.0% -0.0% 137.78 KB 137.78 KB 36.32 KB 36.32 KB UMD_DEV
ReactDOM-dev.js 0.0% -0.0% 931.71 KB 931.71 KB 206.05 KB 206.04 KB FB_WWW_DEV
react-dom-server.browser.production.min.js 0.0% -0.0% 19.26 KB 19.26 KB 7.22 KB 7.22 KB UMD_PROD
react-dom-test-utils.development.js -1.6% -1.6% 58.05 KB 57.14 KB 15.97 KB 15.71 KB UMD_DEV
react-dom-unstable-fizz.browser.development.js 0.0% -0.1% 3.78 KB 3.78 KB 1.53 KB 1.53 KB UMD_DEV
react-dom-test-utils.production.min.js -0.7% -0.3% 11.28 KB 11.2 KB 4.16 KB 4.15 KB UMD_PROD
react-dom-test-utils.development.js -1.6% -1.7% 56.33 KB 55.41 KB 15.64 KB 15.38 KB NODE_DEV
react-dom-unstable-fizz.browser.development.js 0.0% -0.1% 3.61 KB 3.61 KB 1.48 KB 1.48 KB NODE_DEV
react-dom-test-utils.production.min.js -0.8% -0.6% 11.06 KB 10.98 KB 4.11 KB 4.08 KB NODE_PROD
react-dom-unstable-fizz.browser.production.min.js 0.0% 🔺+0.2% 1.04 KB 1.04 KB 633 B 634 B NODE_PROD
react-dom.development.js 0.0% -0.0% 907.62 KB 907.62 KB 206.09 KB 206.09 KB UMD_DEV
react-dom.production.min.js 0.0% -0.0% 111.15 KB 111.15 KB 35.85 KB 35.85 KB UMD_PROD
ReactTestUtils-dev.js -1.9% -1.9% 53.78 KB 52.76 KB 14.38 KB 14.1 KB FB_WWW_DEV
react-dom.profiling.min.js 0.0% -0.0% 114.55 KB 114.55 KB 36.86 KB 36.85 KB UMD_PROFILING
react-dom.development.js 0.0% -0.0% 901.92 KB 901.92 KB 204.5 KB 204.5 KB NODE_DEV
react-dom-server.node.development.js 0.0% -0.0% 134.93 KB 134.93 KB 35.6 KB 35.6 KB NODE_DEV
react-dom.production.min.js 0.0% -0.0% 111.12 KB 111.12 KB 35.3 KB 35.3 KB NODE_PROD
react-dom-server.node.production.min.js 0.0% -0.0% 19.6 KB 19.6 KB 7.37 KB 7.37 KB NODE_PROD
ReactDOM-prod.js 0.0% -0.0% 372.67 KB 372.67 KB 68.39 KB 68.39 KB FB_WWW_PROD
react-dom-server.browser.development.js 0.0% -0.0% 133.91 KB 133.91 KB 35.38 KB 35.38 KB NODE_DEV
react-dom-server.browser.production.min.js 0.0% -0.0% 19.19 KB 19.19 KB 7.21 KB 7.21 KB NODE_PROD
react-dom-unstable-native-dependencies.development.js 0.0% -0.0% 60.71 KB 60.71 KB 15.85 KB 15.85 KB UMD_DEV
react-dom-unstable-native-dependencies.production.min.js 0.0% -0.0% 10.75 KB 10.75 KB 3.68 KB 3.68 KB UMD_PROD
ReactDOMServer-dev.js 0.0% -0.0% 137.93 KB 137.93 KB 34.91 KB 34.91 KB FB_WWW_DEV
ReactDOMServer-prod.js 0.0% 0.0% 46.58 KB 46.58 KB 10.78 KB 10.78 KB FB_WWW_PROD
react-dom-unstable-native-dependencies.development.js 0.0% -0.0% 60.39 KB 60.39 KB 15.72 KB 15.72 KB NODE_DEV
react-dom-unstable-native-dependencies.production.min.js 0.0% -0.1% 10.49 KB 10.49 KB 3.58 KB 3.58 KB NODE_PROD
react-dom-unstable-fizz.node.production.min.js 0.0% -0.1% 1.1 KB 1.1 KB 668 B 667 B NODE_PROD

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@threepointone threepointone force-pushed the redundant-act-element branch from 1e3aef4 to 9a1bdec Compare August 9, 2019 13:17
In a previous version of `act()`, we used a dummy dom element to flush effects and such. This doesn't need to exist anymore. The warning itself is still useful, so we'll keep it. Updated the test.
@threepointone threepointone force-pushed the redundant-act-element branch from 9a1bdec to 94e5f8f Compare August 9, 2019 13:18
@threepointone threepointone changed the title [act] remove obsolete container element [act] remove obsolete container and warning Aug 9, 2019
@threepointone threepointone merged commit b9faa3b into facebook:master Aug 9, 2019
@threepointone threepointone deleted the redundant-act-element branch August 9, 2019 13:26
NMinhNguyen referenced this pull request in enzymejs/react-shallow-renderer Jan 29, 2020
In a previous version of act(), we used a dummy dom element to flush effects. This doesn't need to exist anymore, and this PR removes it. The warning doesn't need to be there either (React will fire a wrong renderer act warning if needed).
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