I was going through https://vueschool.io/articles/vuejs-tutorials/upgrading-eslint-from-v8-to-v9-in-vue-js/ and I am wondering why the final example configuration in the tutorial looks like this:

so I am following this doc by Wes Bos https://github.com/wesbos/eslint-config-wesbos?tab=readme-ov-file to set up both Eslint and prettier. I also wanted to make it such that the set up automatically helps me reformat my code on save. However, this part of the set up is not working.