Josema

 /**
   * Convert value from one range to another
   * @param {Number} value value to convert
   * @param {Object} oldRange min, max of values range
   * @param {Object} newRange min, max of desired range
   * @return {Number} value converted to other range
   */
  function convertRange(value, oldRange, newRange) {
    return ((value - oldRange.min) * (newRange.max - newRange.min)) / (oldRange.max - oldRange.min) + newRange.min;
  }

Josema

export const h=(t,p,...c)=>({t,p,c,k:p&&p.key})
export const render=(e,d,t=d.t||(d.t={}),p,r,c)=>
  // arrays
  e.pop?e.map((e,p)=>render(e,d,t.o&&t.o[p])):
  // components
  e.t.call?(e.i=render((render.c=e).t({children:e.c,...e.p},e.s=t.s||{},t=>
    render(Object.assign(e.s,t)&&e,d,e)),t.i||d,t&&t.i||{}),e):(
  // create notes
  e.d=t.d||(e.t?document.createElement(e.t):new Text(e.p)),
  // diff props