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@cameronroe
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cameronroe commented Sep 28, 2017

Any chance you can just bake this into React 16? Why do we need to add it to application code? Who wouldn't want to have access to it?

@biuuu
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biuuu commented Sep 30, 2017

@guyellis I found some site has polyfill like this:
<script defer>window.Map||document.write('<script src="https://cdn.polyfill.io/v2/polyfill.min.js"></script>')</script>
How about this solution.

@rockchalkwushock
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rockchalkwushock commented Oct 3, 2017

I am using create-react-app and trying to implement this but it does not support passing jest.setupFiles in the package.json. I've been going through the jest docs but haven't found anything yet on a CLI flag for passing this information to react-scripts test. Has anyone figured this out?

@rockchalkwushock
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rockchalkwushock commented Oct 3, 2017

@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 facebook/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

@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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neomusic commented Dec 11, 2017

@capaj, Thanks!!!

@1Jesper1
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1Jesper1 commented Sep 19, 2018

@capaj, Thanks!

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