/**
 * ECMA2016 / ES6
 */
const convertHexToRGBA = (hexCode, opacity = 1) => {  
    let hex = hexCode.replace('#', '');
    
    if (hex.length === 3) {
        hex = `${hex[0]}${hex[0]}${hex[1]}${hex[1]}${hex[2]}${hex[2]}`;
    }    
    
    const r = parseInt(hex.substring(0, 2), 16);
    const g = parseInt(hex.substring(2, 4), 16);
    const b = parseInt(hex.substring(4, 6), 16);
    
    /* Backward compatibility for whole number based opacity values. */
    if (opacity > 1 && opacity <= 100) {
        opacity = opacity / 100;   
    }

    return `rgba(${r},${g},${b},${opacity})`;
};