Adds additional check if process is undefined

[Zwergenpunk]

In my project there was an issue where process was undefined. Not quite sure, how and why. This happens only when a link is clicked in a modal. 🤷

This adds a safe way of checking if the variable is set without crashing.

Checklist:

• [x] My code follows the code style of this project.
• [x] I have read the CONTRIBUTING document.

[ukutaht]

Looks good to me

Thanks @Zwergenpunk