require is not defined in bun

[huseeiin]

Describe the bug

require is defined in regular bun runtime

Reproduction

i can't install bun in stackblitz

Steps to reproduce

import { createServer } from "vite";

const { ssrLoadModule } = await createServer({
  server: { middlewareMode: true },
  appType: "custom",
});

await ssrLoadModule("/test.ts");

test.ts:

console.log(import.meta.env);

System Info

System:
    OS: Linux 6.8 Ubuntu 22.04.4 LTS 22.04.4 LTS (Jammy Jellyfish)
    CPU: (4) x64 Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz
    Memory: 4.32 GB / 7.65 GB
    Container: Yes
    Shell: 5.1.16 - /bin/bash
  Binaries:
    Node: 23.6.0 - ~/.nvm/versions/node/v23.6.0/bin/node
    npm: 10.8.1 - ~/.nvm/versions/node/v22.4.1/bin/npm
    pnpm: 10.3.0 - ~/.local/share/pnpm/pnpm
    bun: 1.2.3 - ~/.bun/bin/bun
  Managers:
    Apt: 2.4.11 - /usr/bin/apt
    Cargo: 1.80.1 - ~/.cargo/bin/cargo
    pip3: 22.0.2 - /usr/bin/pip3
  Utilities:
    CMake: 3.22.1 - /usr/bin/cmake
    Make: 4.3 - /usr/bin/make
    GCC: 11.4.0 - /usr/bin/gcc
    Git: 2.34.1 - /usr/bin/git
    Clang: 14.0.0 - /usr/bin/clang
    Curl: 7.81.0 - /usr/bin/curl
    OpenSSL: 3.0.2 - /usr/bin/openssl
  Virtualization:
    VirtualBox: 7.1.4 - /usr/bin/vboxmanage
  IDEs:
    Nano: 6.2 - /usr/bin/nano
    VSCode: 1.96.2 - /usr/bin/code
  Languages:
    Bash: 5.1.16 - /usr/bin/bash
    Java: 1.8.0_432 - /usr/bin/javac
    Perl: 5.34.0 - /usr/bin/perl
    Python3: 3.10.12 - /usr/bin/python3
    Rust: 1.80.1 - /home/hussein/.cargo/bin/rustc

Used Package Manager

bun

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to vuejs/core instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.