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undocumented peer dependencies (babel)

See original GitHub issue

Current behavior:

When we install projects with pnpm then we get an error due to missing peer dependencies that are not mentioned in your documentation:

https://emotion.sh/docs/introduction#react

To reproduce:

Install @emotion/react via pnpm instead of yarn or npm.

Expected behavior:

Environment information:

react version:
@emotion/react version: 11.10.4

Issue Analytics

State:
Created a year ago
Comments:11 (6 by maintainers)

Top GitHub Comments

1reaction

Andaristcommented, Dec 15, 2022

This will allow developers that uses Next 13 or future versions of @vitejs/plugin-react-swc to not download any code related to Babel.

That was an idea behind the current setup with optional peer deps.

In more concrete terms: Is it possible to make @emotion/babel-plugin an optional peer dependency?

In theory - yes, but in practice this can be seen as a breaking change and I’m hesitant to introduce such a change in v11.

0reactions

ArnaudBarrecommented, Dec 15, 2022

I don’t know at all how Babel is integrated with @emotion/react and how complicated this would be but what could be useful is to make @emotion/react independent of Babel, and letting the user choose if they want to install Babel plugins or SWC plugins to handle the build-time transformations.

This will allow developers that uses Next 13 or future versions of @vitejs/plugin-react-swc to not download any code related to Babel.

In more concrete terms: Is it possible to make @emotion/babel-plugin an optional peer dependency?

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