alias normalization breaks config

[j4k0xb]

Repro: https://stackblitz.com/edit/vitejs-vite-z8v1wp?file=vite.config.js

It only errors when vite-plugin-solid is active:

Failed to load url /node_modules/path-browserify/posix (resolved id: /home/projects/vitejs-vite-z8v1wp/node_modules/path-browserify/posix) in /home/projects/vitejs-vite-z8v1wp/main.js. Does the file exist?

Specifically this line:

vite-plugin-solid/src/index.ts

Line 310 in 2b37a13

userConfig.resolve.alias = normalizeAliases(userConfig.resolve && userConfig.resolve.alias);

Seems like the normalization is not needed anymore since f3b10b5 and can be removed (works fine based on my tests).
I'll also try to find the root cause in vite or @rollup/plugin-alias.

Related: davidmyersdev/vite-plugin-node-polyfills#48 (comment)