vue-wp/plugins/posts-to-posts/vendor/scribu/lib-posts-to-posts/README.md

lib-posts-to-posts

This repository contains the library for managing connections and connection types. It does not contain any UI code.

It is meant to be integrated into a theme or a plugin.

See the _p2p_load() from the original Posts 2 Posts plugin to see what’s needed for initializing it.