HTML SPX

<section
  spx@click="key.prop { once }"
  spx-node="ref.name"
  spx-ref:number="100"
  spx-ref:boolean="true"
  spx-ref:boolean="false"
  spx-ref:string="hello world"
  spx-ref:object="{ prop: 'string', num: 1000, bool: true }"
  spx-ref:array="['string', 'string']"
></section>