brisky-props Set attributes on brisky-elements const render = require('brisky/render') const s = require('vigour-state/s') const state = s({ thumb: 'cat' }) const app = render({ img: { tag: 'img', props: { src: { $: 'thumb', $tansform: (val) => `http://bla.com/${val}.jpg` } } } }, state) document.body.appendChild(app) state.cat.thumb('dog') // → changes thumb to dog