Add an option to skip webgui builds about codecompass HOT 3 OPEN

While installation should as fast as possible, we should not support easily broken installations, like not installing the webgui and leaving a previously built, possibly outdated version there.

Instead, an incremental installation of the webgui should be supported. This requires two steps:

1. Only perform npm install, if the package-lock.json file changed. (For the old GUI, there is only a package.json file.) This is already done.
2. Do not make a full rebuild of the web GUI, but an incremental build. NextJS supports ISR (Incremental Static Regeneration), though I am not sure how much work it would require to implement it. I would not waste time doing this with the old GUI, unless it is very easy to do.

Alternatively we could use the COMPONENT argument of the install() command in CMake to define multiple installation components. Then it would be possible to install the logger and the parser component and not install the webserver component, if it is not needed in a scenario.

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Instead, an incremental installation of the webgui should be supported.

I agree, that would indeed be a better option.

Would that be possible to build the webgui during make and check if the webgui source code changed? In that case, make install would just simply copy the built files.

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The build workflow of Node is not highly compatible with CMake, be it is nice that we have a unified build system for the complete project.

While we can build the frontend during the build stage of CMake, this will raise another performance issue during development. If someone is working on both the GUI and backend Thrift service, he/she would need to rebuild the frontend each time a make command is issued. This is vain, as during development, usually not a statically built version of the frontend is tested, but the development server of NodeJS is utilized.

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