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gaearon/React 16 JavaScript Environment.md

Last active October 14, 2019 15:06
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@pedro-mass
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@rockchalkwushock Have you tried putting the config in src/setupTests.js?
doc: https://github.com/facebookincubator/create-react-app/blob/master/packages/react-scripts/template/README.md#initializing-test-environment

@rockchalkwushock
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@pedro-mass

Thanks! Now I understand that --setupTestFrameworkScriptFile is the CLI flag as well. So thankful for --showConfig to see the underlying config being applied 🙏

@acatl
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acatl commented Oct 6, 2017

this fixed the issue for me in Jest jestjs/jest#4545 (comment)

@jtrein
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jtrein commented Oct 11, 2017

Cheers, @capaj!

>$  yarn add raf --dev

// package.json
...

"jest": {
  "setupFiles": [
      "raf/polyfill"
    ]
},

...

BEFORE
screen shot 2017-10-11 at 11 49 36

AFTER
screen shot 2017-10-11 at 11 49 55

@karthickyuva
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karthickyuva commented Oct 13, 2017 •
edited
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@capaj, Great... 👍

// package.json

...
"setupFiles": [
"raf/polyfill"
]
...

Thanks!.. am using jest package and now its fixed my console warning
console.error node_modules/fbjs/lib/warning.js:33
Warning: React depends on requestAnimationFrame. Make sure that you load a polyfill in older browsers. http://fb.me/react-polyfills

@isaldin
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isaldin commented Oct 26, 2017

@capaj, thanks!)

@neomusic
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@capaj, Thanks!!!

@1Jesper1
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@capaj, Thanks!

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