Neovici/cosmoz-tabs

import { tagged } from '@neovici/cosmoz-utils';

const isValid = (tab) => !tab.hidden && !tab.disabled,
    /**
     * Gets the element icon name.
     *
     * @param {HTMLElement} tab The tab to compute icon for
     * @param {boolean} isSelected Is the tab selected
     * @returns {string} Name of the element icon.
     */
    getIcon = (tab, isSelected) =>
        isSelected ? tab.selectedIcon ?? tab.icon : tab.icon,
    getName = (tab) => tab.getAttribute('name'),
    /**
     * Gets the element icon style property and value if icon color is
     * set, otherwise return nothing.
     *
     * @param {HTMLElement} tab The tab to compute icon stype for
     * @returns {string/void} Style color property and value for the icon.
     */
    getIconStyle = (tab) => {
        const iconColor = tab.iconColor ?? '#15b0d3';
        return ['color: ' + iconColor, tab.iconStyle].join(';');
    },
    valid = (tabs) => tabs.find(isValid),
    choose = (tabs, selected) => {
        if (selected == null) {
            return valid(tabs);
        }
        const selectedTab = tabs.find((tab) => getName(tab) === selected);
        if (selectedTab == null) {
            return valid(tabs);
        }
        if (isValid(selectedTab)) {
            return selectedTab;
        }
        const fallback = valid(tabs);
        /* istanbul ignore else */
        if (fallback) {
            fallback._fallbackFor = selectedTab;
        }
        return fallback;
    },
    collect = (slot) =>
        slot.assignedElements().flatMap((el) => {
            if (el.matches('cosmoz-tab')) {
                return [el];
            }
            if (el.matches('slot')) {
                return collect(el);
            }
            return [];
        }),
    sheet = (...styles) => {
        const cs = new CSSStyleSheet();
        cs.replaceSync(styles.join(''));
        return cs;
    },
    css = (strings, ...values) => sheet(tagged(strings, ...values));

export { choose, collect, isValid, getIcon, getIconStyle, getName, sheet, css };