IDE-UI side by side preview while developing UXP?

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I was wondering what is your guys workflow to develop the UI part of your plugins?

I am currently working on the UXP plugin for photoshop, last 4 years I spent developing CEP panels which can be easily opened in chrome side by side to IDE and I can preview the updates.

While it seems impossible to do split screen on macOs vscode + photoshop and I have constantly go back and forth for each simple update, do I really need to buy the second screen or is there any workaround?

If you don’t have 2 or more screens, get them. It is a must-have for developer.

If you would go with webview route, you could repeat what you did before. But webview is an important architectural decision and might not fit for all cases.