using-router example + some others (preact, inferno) give the error in the screenshot. <img width="1326" alt="screen shot 2017-02-02 at 23 51 27" src="https://cloud.githubusercontent.com/assets/6324199/22572039/958e1688-e9a2-11e6-9fb6-7a36860142e2.png">
using-router example + some others (preact, inferno) give the error in the screenshot.