ComfyAssets-ComfyUI_PromptManager/web/js/workspace/index.mjs

import '../api-client.js';
import { createButton, createScope } from '../shared/toolkit/core.js';
import { routes, mountRouter, summarizeStats, routeTitle, isHandoff, loadNavCounts,
    LIBRARY_WRITE_COUNTS, NAV_COUNT_ROUTES } from './state.mjs';
import { mountWorkspaceTheme } from './theme.mjs';
import { mountImages } from './images.mjs';
import { mountLibrary, mountNewPromptAction, onLibraryWrite } from './library.mjs';
import { mountVocabulary } from './vocabulary.mjs';
import { createWorkspaceIcon } from './icons.mjs';
import { bindCanvasLink, canvasHref } from './topbar.mjs';
import { renderHeading } from './heading.mjs';

const { createApiClient, resolveUrl } = window.ApiClient;

function element(tag, text, className) {
    const node = document.createElement(tag);
    if (text !== undefined) node.textContent = text;
    if (className) node.className = className;
    return node;
}

function legacyLink(route) {
    const link = element('a', route.action, 'workspace-link');
    link.href = resolveUrl(route.href);
    return link;
}

function mountWorkspace() {
    const scope = createScope();
    const api = createApiClient();
    const main = document.getElementById('workspace-main');
    const primaryNav = document.getElementById('primary-nav');
    const systemNav = document.getElementById('system-nav');
    scope.listen(document.querySelector('.skip'), 'click', event => {
        event.preventDefault();
        main.focus();
    });
    // D4: the concept's Theme select; "System" keeps following ComfyUI, then the OS.
    const theme = mountWorkspaceTheme({ root: document.body, scope });
    const preference = document.getElementById('theme');
    preference.value = theme.preference;
    scope.listen(preference, 'change', () => theme.setPreference(preference.value));
    // D6: ComfyUI ↗ opens the canvas; on Images with a resolved selection it sends that pair (D5: no Activity).
    let images = null;
    scope.cleanup(bindCanvasLink(document.querySelector('.topbar .canvas-link'), {
        href: canvasHref(resolveUrl, window.location.pathname),
        getSelectedPair: () => images?.selectedPair?.() ?? null,
        sender: {open: (roles, trigger) => images?.sender.open(roles, trigger)},
    }));
    // The concept's nav(): icon, label text, then a `.nav-count` only for a loaded real count.
    const navLinks = ids => ids.map(([id, icon]) => {
        const route = routes.find(item => item.id === id);
        const link = element('a');
        link.append(createWorkspaceIcon(icon), document.createTextNode(route.label));
        link.href = `#/${route.id}`;
        link.dataset.route = route.id;
        return link;
    });
    primaryNav.replaceChildren(...navLinks([['images', 'images'], ['library', 'library'], ['tags', 'tags'], ['inspect', 'upload']]));
    // D28: System, then the production Overview hub, in the concept's tools-and-system group.
    systemNav.replaceChildren(...navLinks([['system', 'settings'], ['overview', 'overview']]));
    const sidebar = document.querySelector('aside.sidebar');
    // One read per count, so a write that refreshes Library and Tags never supersedes an Images read in flight.
    const countRequests = new Map();
    function refreshCounts(ids) {
        for (const id of ids) {
            countRequests.get(id)?.abort();
            const request = new AbortController();
            countRequests.set(id, request);
            // Each badge lands as its own read settles; a count that failed to refresh is removed, never left stale.
            loadNavCounts(api, request.signal, (_, count) => {
                if (request.signal.aborted) return;
                const link = primaryNav.querySelector(`[data-route="${id}"]`);
                link?.querySelector('.nav-count')?.remove();
                if (link && Number.isSafeInteger(count)) link.append(element('span', count.toLocaleString(), 'nav-count'));
            }, [id]);
        }
    }
    scope.cleanup(() => { for (const request of countRequests.values()) request.abort(); });
    // A confirmed Library or vocabulary write cannot change the Images count, so only Library and Tags are re-read.
    scope.cleanup(onLibraryWrite(() => refreshCounts(LIBRARY_WRITE_COUNTS)));
    refreshCounts(NAV_COUNT_ROUTES);
    let viewScope;
    let firstRender = true;
    scope.cleanup(() => viewScope?.dispose());

    function render(route) {
        viewScope?.dispose();
        images = null;
        viewScope = createScope();
        const view = viewScope;
        for (const link of sidebar.querySelectorAll('nav [data-route]')) {
            if (link.dataset.route === route.id) link.setAttribute('aria-current', 'page');
            else link.removeAttribute('aria-current');
        }
        document.title = `${routeTitle(route)} · Prompt Manager`;
        // The concept's heading(); each view fills its description and actions.
        // The concept focuses its page title on a hashchange navigation (app.js 1168); the skip link focuses `main`.
        const { description, h1 } = renderHeading(main, { title: route.label });
        if (!firstRender) h1.focus();
        firstRender = false;
        document.getElementById('workspace-breadcrumb').textContent = routeTitle(route);
        if (route.id === 'images') {
            mountNewPromptAction(main, api, view);
            images = mountImages(main, api, view);
            return;
        }
        if (route.id === 'library') {
            mountLibrary(main, api, view, {positiveId:route.positiveId});
            return;
        }
        if (route.id === 'tags') {
            mountVocabulary(main, api, view);
            return;
        }
        if (isHandoff(route)) {
            description.textContent = route.description;
            const panel = element('section', undefined, 'surface handoff');
            panel.append(element('h2', 'Your current tools are ready'),
                element('p', 'This workspace is being introduced in stages. Continue in the existing tool with your saved data.'),
                legacyLink(route));
            main.append(panel);
            return;
        }
        description.textContent = 'A home for your prompts, images and creative history.';
        const stats = element('section', undefined, 'overview-stats');
        stats.setAttribute('aria-label', 'Library statistics');
        main.append(stats);
        const tools = element('section', undefined, 'surface');
        tools.append(element('h2', 'Continue creating'), element('p', 'Your existing tools remain available while the new workspaces take shape.'));
        const cards = element('div', undefined, 'tool-grid');
        for (const target of routes.filter(item => item.href)) {
            const card = element('article', undefined, 'tool-card');
            card.append(element('h3', target.label), element('p', target.description, 'small'), legacyLink(target));
            cards.append(card);
        }
        tools.append(cards);
        main.append(tools);
        async function loadStats() {
            const status = element('p', 'Loading library statistics…');
            status.setAttribute('role', 'status');
            stats.replaceChildren(status);
            try {
                const result = await api.get('/prompt_manager/stats', { signal: view.signal });
                if (view.signal.aborted) return;
                const values = summarizeStats(result.stats);
                const list = element('dl', undefined, 'stat-grid');
                for (const [label, count] of values) {
                    const stat = element('div', undefined, 'stat');
                    stat.append(element('dt', label), element('dd', count.toLocaleString()));
                    list.append(stat);
                }
                stats.replaceChildren(list);
                if (values.every(([, count]) => count === 0)) {
                    stats.append(element('p', 'Your library is empty. Add a prompt in the prompt library or configure sources in System.', 'empty-state'));
                }
            } catch (error) {
                if (view.signal.aborted) return;
                const alert = element('p', 'Library statistics could not be loaded. Your saved data has not changed.');
                alert.setAttribute('role', 'alert');
                const retry = createButton('Retry');
                view.listen(retry, 'click', loadStats);
                stats.replaceChildren(alert, retry);
            }
        }
        loadStats();
    }
    scope.cleanup(mountRouter(window, render));
    scope.listen(window, 'pagehide', () => scope.dispose());
    return () => scope.dispose();
}

mountWorkspace();
window.addEventListener('pageshow', event => {
    if (event.persisted) mountWorkspace();
});