/**
## mapp.utils.hexa()
@module /utils/hexa
*/
export default (hex, transparency) => {
if (isNaN(transparency)) return hex;
if (hex.length === 7) return hex + (transparency && parseInt(transparency * 255).toString(16) || '00');
if (hex.length === 4) return hex + parseInt(transparency * 15).toString(16);
return hex;
}