/*!
 * Jodit Editor (https://xdsoft.net/jodit/)
 * License GNU General Public License version 2 or later;
 * Copyright 2013-2019 Valeriy Chupurnov https://xdsoft.net
 */

import { IRGB } from '../../../types';

/**
 * @param {string} hex
 * @method hexToRgb
 */
export const hexToRgb = (hex: string): IRGB | null => {
    const shorthandRegex: RegExp = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
    hex = hex.replace(shorthandRegex, (m, r, g, b) => {
        return r + r + g + g + b + b;
    });

    const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);

    return result
        ? {
            r: parseInt(result[1], 16),
            g: parseInt(result[2], 16),
            b: parseInt(result[3], 16),
        }
        : null;
};