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The `@babel/plugin-transform-runtime` is not found

See original GitHub issue

Why we need this? As long as I know it should be used as devDependency, so why when generating production builds we need it?

And should I add it in my preset too? And one side question: does the plugin reads babel.config.js when found AND you have babelConfig option set? My assumption is it’s not? Just for verification.

Issue Analytics

State:
Created 4 years ago
Comments:9 (4 by maintainers)

Top GitHub Comments

1reaction

wessbergcommented, Nov 9, 2019

@babel/plugin-transform-runtime is added to and merged with the users provided Babel config if it doesn’t already include it. The only reason why it is added is to move shared Babel helpers into import statements rather than duplicating them inline such that they can be shared across chunks without duplication.

The reason why you may get the error in the issue title is if you depend on another library that depends strictly on a different version of @babel/plugin-transform-runtime (such as tsdx does).

As for the side-question: If you override the babelConfig option, your babel.config.js file won’t be resolved, so your assumption is correct 😊

0reactions

tunnckoCorecommented, Nov 11, 2019

It’s not example repo. And the thing is long gone. 😉

I couldn’t find the changes I did for that specific issue i linked. So anyway.

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