Pathologic was missing because of a .git folder inside.
[yaffs-website] / node_modules / core-js / build /
drwxr-xr-x   ..
-rw-r--r-- 2968 Gruntfile.ls
-rw-r--r-- 1747 build.ls
-rw-r--r-- 6990 config.js
-rw-r--r-- 3863 index.js