Javascript files with .cjs extension can not be transpiled

[rchl]

The pattern used for babel-loader doesn't include the .cjs extension thus trying to transpile a module that has *.cjs export doesn't have an effect.

See also unjs/ufo#50

Versions

• nuxt: 2.15.8
• node: 14

Reproduction

Try to use anything from ufo on the client-side. The resulting bundle will include a spread operator but should be transpiled because Nuxt transpiles ufo by default (https://github.com/nuxt/nuxt.js/blob/777a4b7f5033c86c37cbd93008f3ca792e4af8bc/packages/webpack/src/config/base.js#L78-L78).

Steps to reproduce

What is Expected?

What is actually happening?

https://github.com/nuxt/nuxt.js/blob/777a4b7f5033c86c37cbd93008f3ca792e4af8bc/packages/webpack/src/config/base.js#L332-L332

[stale]

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[rchl]

There is a PR.