Cleanup Babel PR (ReactFreshPlugin) #16340
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…react into fixed_react_fresh_test
gaearon
approved these changes
Aug 9, 2019
|
No significant bundle size changes to report. Generated by 🚫 dangerJS |
acdlite
reviewed
Aug 9, 2019
| @@ -11,7 +11,7 @@ export default function(babel) { | |||
| if (typeof babel.getEnv === 'function') { | |||
| // Only available in Babel 7. | |||
| const env = babel.getEnv(); | |||
| if (env !== 'development') { | |||
| if (env !== 'development' && typeof expect !== 'function') { | |||
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@gaearon My understanding was that one of the purposes of this error is to prevent people from enabling the Fresh plugin when compiling their unit tests. Doesn't this change mean that consumers of this plugin who use Jest won't get the error below?
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We actually do run it in tests in fbsource. So I don't know that it's necessarily a bad idea.
The primary purpose is to prevent people from including it in prod setups.
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This PR addresses the comments in #16297
In particular, for
ReactFreshBabelPlugin, @gaearon mentioned that we could modify theReactFreshBabelPluginto not throw an error if it is run in a test (ifexpectis a function it is most likely in a test environment) instead of setting a precedent for modifying the jest config.