MediaWiki:Common.js: Difference between revisions

Revision as of 23:42, 19 August 2026

/* ============================================================
   WIKIPARTNER
   THEME + LOGGED-IN USER MENU
============================================================ */

(function () {
    'use strict';

    var STORAGE_KEY = 'wikipartner-theme';
    var LIGHT = 'light';
    var DARK = 'dark';


    /* ========================================================
       THEME STORAGE
    ======================================================== */

    function getSavedTheme() {
        try {
            var saved = window.localStorage.getItem(STORAGE_KEY);

            if (saved === LIGHT || saved === DARK) {
                return saved;
            }
        } catch (e) {
            /* localStorage unavailable */
        }

        return LIGHT;
    }


    function saveTheme(theme) {
        try {
            window.localStorage.setItem(STORAGE_KEY, theme);
        } catch (e) {
            /* localStorage unavailable */
        }
    }


    /* ========================================================
       THEME STATE
    ======================================================== */

    function getCurrentTheme() {
        return document.documentElement.classList.contains(
            'wp-theme-dark'
        )
            ? DARK
            : LIGHT;
    }


    function applyTheme(theme, shouldSave) {
        var html = document.documentElement;
        var isDark = theme === DARK;

        html.classList.toggle(
            'wp-theme-dark',
            isDark
        );

        html.classList.toggle(
            'wp-theme-light',
            !isDark
        );

        html.classList.remove(
            'skin-theme-clientpref-day',
            'skin-theme-clientpref-night',
            'skin-theme-clientpref-os'
        );

        html.classList.add(
            isDark
                ? 'skin-theme-clientpref-night'
                : 'skin-theme-clientpref-day'
        );

        html.setAttribute(
            'data-wikipartner-theme',
            isDark ? DARK : LIGHT
        );

        if (shouldSave !== false) {
            saveTheme(theme);
        }

        updateThemeButton();
    }


    /* ========================================================
       THEME ICONS
    ======================================================== */

    function getMoonIcon() {
        return [
            '<svg viewBox="0 0 24 24" aria-hidden="true">',

                '<path d="M20.3 15.2A8.4 8.4 0 0 1 8.8 3.7 8.5 8.5 0 1 0 11.5 11.5Z"></path>',

                '<path class="wp-theme-star" d="M17.5 4v3M16 5.5h3"></path>',

            '</svg>'
        ].join('');
    }


    function getSunIcon() {
        return [
            '<svg viewBox="0 0 24 24" aria-hidden="true">',

                '<circle cx="12" cy="12" r="3.8"></circle>',

                '<path d="M12 2.3v2.1"></path>',
                '<path d="M12 19.6v2.1"></path>',

                '<path d="M4.93 4.93l1.5 1.5"></path>',
                '<path d="M17.57 17.57l1.5 1.5"></path>',

                '<path d="M2.3 12h2.1"></path>',
                '<path d="M19.6 12h2.1"></path>',

                '<path d="M4.93 19.07l1.5-1.5"></path>',
                '<path d="M17.57 6.43l1.5-1.5"></path>',

            '</svg>'
        ].join('');
    }


    /* ========================================================
       UPDATE THEME BUTTON
    ======================================================== */

    function updateThemeButton() {
        var button = document.getElementById(
            'wikipartner-theme-toggle'
        );

        if (!button) {
            return;
        }

        var isDark =
            getCurrentTheme() === DARK;

        button.innerHTML =
            '<span class="wp-theme-icon">' +
                (
                    isDark
                        ? getSunIcon()
                        : getMoonIcon()
                ) +
            '</span>' +

            '<span class="wp-theme-menu-label">' +
                (
                    isDark
                        ? 'Light mode'
                        : 'Dark mode'
                ) +
            '</span>';

        button.setAttribute(
            'aria-label',
            isDark
                ? 'Switch to light mode'
                : 'Switch to dark mode'
        );

        button.setAttribute(
            'title',
            isDark
                ? 'Light mode'
                : 'Dark mode'
        );
    }


    /* ========================================================
       CREATE THEME BUTTON
    ======================================================== */

    function createThemeToggle(list) {
        var existing =
            document.getElementById(
                'wikipartner-theme-item'
            );

        if (existing) {
            return existing;
        }


        var item =
            document.createElement('li');

        item.id =
            'wikipartner-theme-item';

        item.className =
            'mw-list-item wikipartner-theme-item';


        var button =
            document.createElement('button');

        button.id =
            'wikipartner-theme-toggle';

        button.className =
            'wikipartner-theme-toggle';

        button.type = 'button';


        button.addEventListener(
            'click',
            function () {

                var nextTheme =
                    getCurrentTheme() === DARK
                        ? LIGHT
                        : DARK;

                applyTheme(
                    nextTheme,
                    true
                );
            }
        );


        item.appendChild(button);


        var loginItem =
            list.querySelector(
                '#pt-login'
            );


        if (loginItem) {

            /*
             * LOGGED OUT:
             *
             * Create account | Theme | Log in
             */

            list.insertBefore(
                item,
                loginItem
            );

        } else {

            list.appendChild(
                item
            );

        }


        updateThemeButton();

        return item;
    }


    /* ========================================================
       HAMBURGER ICON
    ======================================================== */

    function getMenuIcon() {
        return [
            '<span class="wp-menu-bars" aria-hidden="true">',
                '<span></span>',
                '<span></span>',
                '<span></span>',
            '</span>'
        ].join('');
    }


    /* ========================================================
       LOGGED-IN USER MENU
    ======================================================== */

    function buildLoggedInUserMenu(
        list,
        themeItem
    ) {

        /*
         * #pt-logout exists only when
         * MediaWiki sees an authenticated user.
         */

        var logoutItem =
            list.querySelector(
                '#pt-logout'
            );


        if (!logoutItem) {

            /*
             * LOGGED OUT
             */

            list.classList.remove(
                'wp-is-logged-in'
            );

            list.classList.add(
                'wp-is-logged-out'
            );

            return;
        }


        /*
         * LOGGED IN
         */

        list.classList.remove(
            'wp-is-logged-out'
        );

        list.classList.add(
            'wp-is-logged-in'
        );


        /*
         * Prevent duplicate hamburger menus.
         */

        if (
            list.querySelector(
                '.wp-user-dropdown'
            )
        ) {
            return;
        }


        /*
         * Username stays OUTSIDE.
         */

        var usernameItem =
            list.querySelector(
                '#pt-userpage'
            );


        /* ====================================================
           CREATE DROPDOWN WRAPPER
        ==================================================== */

        var dropdown =
            document.createElement('li');

        dropdown.className =
            'wp-user-dropdown';


        /* ====================================================
           CREATE HAMBURGER BUTTON
        ==================================================== */

        var trigger =
            document.createElement(
                'button'
            );

        trigger.type =
            'button';

        trigger.className =
            'wp-user-menu-trigger';

        trigger.setAttribute(
            'aria-label',
            'Open user menu'
        );

        trigger.setAttribute(
            'title',
            'User menu'
        );

        trigger.setAttribute(
            'aria-expanded',
            'false'
        );

        trigger.innerHTML =
            getMenuIcon();


        /* ====================================================
           CREATE DROPDOWN MENU
        ==================================================== */

        var menu =
            document.createElement('ul');

        menu.className =
            'wp-user-dropdown-menu';

        menu.hidden =
            true;


        /* ====================================================
           MOVE USER LINKS
        ==================================================== */

        /*
         * ONLY THESE REMAIN OUTSIDE:
         *
         * Username
         * Theme button
         *
         * Everything else moves inside ☰
         */

        Array.prototype
            .slice
            .call(list.children)
            .forEach(
                function (item) {

                    if (
                        item === usernameItem ||
                        item === themeItem
                    ) {
                        return;
                    }

                    menu.appendChild(
                        item
                    );
                }
            );


        dropdown.appendChild(
            trigger
        );

        dropdown.appendChild(
            menu
        );


        /* ====================================================
           FORCE EXACT HEADER ORDER
        ==================================================== */

        /*
         * Username | Theme | ☰
         */


        if (usernameItem) {

            list.appendChild(
                usernameItem
            );

        }


        if (themeItem) {

            list.appendChild(
                themeItem
            );

        }


        list.appendChild(
            dropdown
        );


        /* ====================================================
           OPEN / CLOSE FUNCTIONS
        ==================================================== */

        function closeMenu() {

            dropdown.classList.remove(
                'is-open'
            );

            menu.hidden =
                true;

            trigger.setAttribute(
                'aria-expanded',
                'false'
            );

        }


        function openMenu() {

            dropdown.classList.add(
                'is-open'
            );

            menu.hidden =
                false;

            trigger.setAttribute(
                'aria-expanded',
                'true'
            );

        }


        /* ====================================================
           HAMBURGER CLICK
        ==================================================== */

        trigger.addEventListener(
            'click',
            function (event) {

                event.preventDefault();

                event.stopPropagation();


                if (
                    dropdown.classList.contains(
                        'is-open'
                    )
                ) {

                    closeMenu();

                } else {

                    openMenu();

                }

            }
        );


        /* ====================================================
           CLICK INSIDE MENU
        ==================================================== */

        menu.addEventListener(
            'click',
            function (event) {

                event.stopPropagation();

            }
        );


        /* ====================================================
           CLICK OUTSIDE
        ==================================================== */

        document.addEventListener(
            'click',
            function (event) {

                if (
                    !dropdown.contains(
                        event.target
                    )
                ) {

                    closeMenu();

                }

            }
        );


        /* ====================================================
           ESCAPE KEY
        ==================================================== */

        document.addEventListener(
            'keydown',
            function (event) {

                if (
                    event.key === 'Escape' &&
                    dropdown.classList.contains(
                        'is-open'
                    )
                ) {

                    closeMenu();

                    trigger.focus();

                }

            }
        );
    }


    /* ========================================================
       INITIALIZE USER AREA
    ======================================================== */

    function initializeUserArea() {

        var list =
            document.querySelector(
                '.wp-user-menu-list'
            );


        if (!list) {
            return;
        }


        /*
         * First create the theme button.
         */

        var themeItem =
            createThemeToggle(
                list
            );


        /*
         * Then build logged-in dropdown.
         */

        buildLoggedInUserMenu(
            list,
            themeItem
        );


        updateThemeButton();
    }


    /* ========================================================
       APPLY SAVED THEME
    ======================================================== */

    applyTheme(
        getSavedTheme(),
        false
    );


    /* ========================================================
       START
    ======================================================== */

    function initialize() {

        initializeUserArea();

    }


    if (
        document.readyState ===
        'loading'
    ) {

        document.addEventListener(
            'DOMContentLoaded',
            initialize
        );

    } else {

        initialize();

    }

})();