Hey @cloud kettle 👋
We support TypeScript out of the box in Storybook 7 so you don't need to add those rules and resolve extensions in that webpackFinal function 🙂
#Trouble migrating from v6.5 yo v7.2.0 with webpack 5.76.0
simple verge
To provide your babel settings, you just need to put them in a .babelrc or babel.config.js file in your project
https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#babel-mode-v7-exclusively
cloud kettle
that was it! Thank you@ @simple verge