rxjs
A library with flow-related, specifically what is not clear, but npm weekly 10,322,169downloads should have something
node in the path module
node global variables, __ dirname and __filename
__dirname and __filename node are global variables, __ dirname refers to the current directory execute js files, __ filename returns the full path of the executable file of the current
Reproduced in: https: //juejin.im/post/5d044b8ae51d4556db6949fe