I did it to a similarly sized codebase too. Vue itself was painless.

I also migrated our component framework, from Buefy to Oruga. Some string replacement to change component prefixes, then Typescript to help catch incorrect properties. I might have fixed several bugs in the process thanks to Typescript working better with Oruga. The only real tricky part was converting customized CSS, which was A LOT in our case, but Oruga provides a better way of overriding CSS, so it was worth the time.

Took about 2 days of me doing pure coding with a blocked calendar, plus a third day for testing and code reviews by the rest of the team.

> Did you find any migration tooling to help?

With the caveat that I don't do software engineering professionally, I recently migrated a personal Vue 1/JavaScript project to Vue 3/TypeScript, and it was mostly painless. There's a migration guide¹, and Phind and Copilot were helpful.

¹ https://v3-migration.vuejs.org/migration-build.html

Basically, see other comments. We simply followed the migration guide. Very painless. We use few external libs, så that helped a lot. You can find me on LinkedIn with the same username as here for DM.