Add debug output to loader.js

[ndom91]

What Changed

Was almost impossible to debug where the loader errors were coming from when upgrading storybook with mdx2, until I monkey patched it with this change.

Change Type

• maintenance
• documentation
• patch
• minor
• major

Version

Published prerelease version: v1.0.0-next.5

Changelog

💥 Breaking Change

• Add JSX transpilation to compiler-generated code #30 (@ndelangen)

🚀 Enhancement

• Fix type exports #34 (@joshwooding)
• Remove uses of AddContext #14 (@tmeasday)

🐛 Bug Fix

• Add debug output to loader.js #17 (@ndom91)
• Replace 'mdx' tag with 'stories-mdx' #33 (@tmeasday)
• Only support webpack 5, expose some types #32 (@IanVS)
• JSX: Ignore the user's babel config #31 (@shilman)
• Export CompileOptions #28 (@joshwooding)
• Add MDX compiler option overrides #27 (@shilman)
• Bump version of loader-utils #26 (@eirslett-visma)
• Fix canvas mdxSource generation and add tests #25 (@zhyd1997 @shilman)
• Upgrade example to SB7 #24 (@shilman)
• Prebundle with tsup #23 (@shilman)
• Add mdx tag for SB7 support #22 (@shilman)
• Remove JSX from compiler's page output #20 (@IanVS @shilman)
• chore: Moved @babel/types to dependencies #19 (@bryanjtc)

⚠️ Pushed to next

• Fix yarn.lock (@shilman)

Authors: 9

• Bryan Thomas (@bryanjtc)
• Eirik Sletteberg (@eirslett-visma)
• Ian VanSchooten (@IanVS)
• Josh Wooding (@joshwooding)
• Michael Shilman (@shilman)
• Nico Domino (@ndom91)
• Norbert de Langen (@ndelangen)
• Tom Coleman (@tmeasday)
• Yadong Zhang (@zhyd1997)

[shilman]

LGTM! Thanks for your contribution and sorry for the long delay getting it in.