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Upgrade to @babel/preset-env 7.4.4 with core-js@3.x is breaking build

See original GitHub issue

Describe the bug With @babel/preset-env v7.4.3 and using core-js 3.x explicitly in babel config building storybook worked fine. After upgrading @babel/preset-env to the latest release (being 7.4.4) an error is shown when core-js modules are used.

To Reproduce Steps to reproduce the behavior:

Create a babel config with corejs: { version: 3, proposals: true }
Use latest @babel/preset-env v7.4.4
build and start storybook
See errors like Module not found: Error: Can't resolve 'core-js/modules/web.dom-collections.iterator' in ... Module not found: Error: Can't resolve 'core-js/modules/es.array.concat' in ...

Expected behavior A storybook build should not fail with latest babel, when doing a bugfix version bump.

System:

OS: MacOS 10.14.4 (18E226)
Framework: react
Version: 5.0.11

Additional context May be this is also related to https://github.com/storybooks/storybook/issues/6204 but the workaround is not working and wasn’t needed with @babel/preset-env v7.4.3.

Issue Analytics

State:
Created 4 years ago
Reactions:2
Comments:9 (5 by maintainers)

Top GitHub Comments

1reaction

rpearcecommented, May 17, 2019

This is fixed for me, as well. Thanks!

1reaction

mrmartineaucommented, May 16, 2019

Thanks @shilman, updating all my @storybook dependencies to @5.1.0-beta.1 fixed the build issues for me.

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