SVG.js How to update pattern scale and position?

Hi I'm trying to fill a polygon with a pattern here https://codesandbox.io/s/pmqv6vxvw0 (watch the HelloWorld.vue the drawPath() and anymPath() there)

Looks like it has the only option to update element, not the pattern's parameter enter link description here

Is there a way to change the scale as well?

And the pattern alignment, is it possible to move the pattern into the middle of the container?