ng build wee-flow --watch
Then update files in the library and see the results in the test application Keep in mind that new methods are not auto detected.
Full error message
error while loading shared libraries: libXss.so.1: cannot open shared object file: No such file or directory: ```
Install missing packages on linux, or WSL
sudo apt-get update sudo apt-get install -y libgbm1
See here https://techoverflow.net/2018/06/05/how-to-fix-puppetteer-error-while-loading-shared-libraries-libx11-xcb-so-1-cannot-open-shared-object-file-no-such-file-or-directory/