Can't find variable: path

[pixelmachine]

The problem

After updating from 2.6 to 2.7.1 I get the error:
Can't find variable: path

Details

Error appears on load and causes Barba to fail

Code To Reproduce Issue

Just a basic setup

import barba from '@barba/core';
barba.init({
[...]
})

Steps to reproduce issue

Load the page.

Issue can be fixed by modifying core/dist/barba.umd.js with:
From require("path") to require("path-to-regexp")