• [x ] Read the docs.
• [x ] Use Vite >=2.0. (1.x is no longer supported)
• [ x] If the issue is related to 1.x -> 2.0 upgrade, read the Migration Guide first.

Describe the bug

When I upgrade vite to any version after 2.0.0-beta.62 I get the error as follows:
App.vue:36 Uncaught ReferenceError: process is not defined
at setup (App.vue:36)
at callWithErrorHandling (runtime-core.esm-bundler.js:154)
at setupStatefulComponent (runtime-core.esm-bundler.js:6419)
at setupComponent (runtime-core.esm-bundler.js:6380)
at mountComponent (runtime-core.esm-bundler.js:4118)
at processComponent (runtime-core.esm-bundler.js:4094)
at patch (runtime-core.esm-bundler.js:3712)
at render2 (runtime-core.esm-bundler.js:4794)
at mount (runtime-core.esm-bundler.js:3019)
at Object.app.mount (runtime-dom.esm-bundler.js:1220)

Reproduction

https://github.com/ljcremer/vite-test

System Info

• vite version: 2.0.0-beta.67
• Operating System: Windows 10
• Node version:v12.19.1
• Package manager (npm/yarn/pnpm) and version:6.14.8

Logs (Optional if provided reproduction)

1. Run vite or vite build with the --debug flag.
2. Provide the error log here.