handleChange = function handleChange(data, e) {
	    _color2.default.isValidHex(data) && onChange({
	      hex: data,
	      source: 'hex'
	    }, e);
	  }
Searches existing DOM for elements of our component type and upgrades them
if they have not already been upgraded.

@param {string=} optJsClass the programatic name of the element class we
need to create a new instance of.
@param {string=} optCssClass the name of the CSS class elements of this
type will have.