In a normal case any UI5 developer uses WebIDE or Eclipse IDE with all the automatic installed extensions and packages for UI5 development. Here I describe how to use an alternative minimalistic development environment, e.g. for tests. In my case I describe it for a Windows desktop platform.
At first I download a simple and easy to handle mini web Server, I decided to use
AIDex Mini-WebServer. All you have to do is to define the root directory.
Also you can use HFS ~ HTTP File Server from
here.
At second I download the OpenUI5 Runtime (and SDK) from
here and unpack it in the root directory. That's all
Now you can use your favorite editor e.g. like Notepad++ or UltraEdit to code your UI5 applications. I create an extra button in the toolbar to start the Internet Explorer with the file in the editor in the context of the local mini web server. As command I use - here with UltraEdit:
"C:\Program Files\Internet Explorer\iexplore.exe" localhost\%n%e
%n for the name of the file and %e for the extension of the file.
Here the button example.
Enjoy it.