Unnecessary (?) check for if vite is installed

[wojtekmaj]

Describe the bug

I'm currently facing a blocker (#4655) from upgrading vitest to 1.0. However, I'm struggling to understand why the check for whether vite is installed is even there? vite is declared directly in vitest dependency so there's no physical way vite would ever be missing, and the whole check is just slowing things down. Am I wrong?

Reproduction

• Install vitest using Yarn PnP
• Run vitest

System Info

System:
    OS: macOS 14.1.1
    CPU: (8) arm64 Apple M2
    Memory: 32.31 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 20.9.0 - /private/var/folders/3y/swkjq1x101b76mzjgt4pm2d80000gp/T/xfs-2ac5acc4/node
    Yarn: 4.0.2 - /private/var/folders/3y/swkjq1x101b76mzjgt4pm2d80000gp/T/xfs-2ac5acc4/yarn
    npm: 10.1.0 - /usr/local/bin/npm
    bun: 1.0.12 - ~/.bun/bin/bun
  Browsers:
    Chrome: 119.0.6045.199
    Edge: 119.0.2151.97
    Safari: 17.1

Used Package Manager

yarn

Validations

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