1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | 1× 1× | import telegraph from 'telegraph-events'; export default class VisualizationComponent { constructor (el) { if (!el) { throw new Error('"el" is a required argument'); } this.el = el; telegraph(this); } render () { throw new Error('"refresh() is pure abstract"'); } } |