During development, especially when using tools such as gulp to progress multiple projects, node_modules folders exist for each project, using a lot of disk space. One way to solve this problem is to use a common node_modules method.
Specifically, symbolic links can be used to make node_modules common. A symbolic link is a link that allows a file or directory in one location to be referenced as if it were in another location.
To create a symbolic link on a Mac, do the following
ln -s /Users/xxxx/node_modules . /node_modules
This command will create a symbolic link named node_modules in the current directory, pointing to /Users/xxxx/node_modules.
This way, node_modules can be shared among multiple projects, saving disk space. However, care should be taken when using different versions of modules in different projects, for example.
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