From 2a74b54573ca47819e74cfe709a53f4bc909accc Mon Sep 17 00:00:00 2001
From: fynks <75840152+fynks@users.noreply.github.com>
Date: Sat, 11 Oct 2025 10:15:27 +0500
Subject: [PATCH] refactored js
---
dist/js/app.js | 2175 ++++++++++++++++++++++++++----------------------
1 file changed, 1194 insertions(+), 981 deletions(-)
diff --git a/dist/js/app.js b/dist/js/app.js
index 33dc8a0..a804a4a 100644
--- a/dist/js/app.js
+++ b/dist/js/app.js
@@ -1,1030 +1,1243 @@
/**
- * Debrid Services Comparison - Improved App JS
- * - Data loading (file hosts, adult hosts)
- * - Tables, comparison interactions with ✅/❌ format
- * - Back-to-top, nav highlight, animations, offline detection
- * - Performance-minded DOM updates and event delegation
+ * Debrid Services Comparison - Modern Refactored Version
+ * Optimized for performance, maintainability, and modern web standards
+ * @version 2.0.0
*/
-/* ==============================
- Utils
- ============================== */
+/* ============================================================================
+ CONFIGURATION & CONSTANTS
+ ============================================================================ */
+const CONFIG = Object.freeze({
+ API: {
+ FILE_HOSTS: ['./json/file-hosts-optimized.json', './json/file-hosts.json'],
+ ADULT_HOSTS: ['./json/adult-hosts-optimized.json', './json/adult-hosts.json'],
+ TIMEOUT: 8000,
+ RETRY_ATTEMPTS: 2
+ },
+ PERFORMANCE: {
+ DEBOUNCE_DELAY: 250,
+ THROTTLE_DELAY: 100,
+ RENDER_CHUNK_SIZE: 40,
+ RENDER_IDLE_TIMEOUT: 160,
+ SCROLL_THRESHOLD: 300
+ },
+ INTERSECTION: {
+ THRESHOLD: 0.1,
+ ROOT_MARGIN: '-40% 0px -50% 0px'
+ },
+ ANIMATION: {
+ DURATION: 250,
+ EASING: 'cubic-bezier(0.4, 0, 0.2, 1)'
+ }
+});
+
+/* ============================================================================
+ UTILITIES MODULE
+ ============================================================================ */
const Utils = (() => {
- const debounceMap = new WeakMap();
- return {
- debounce(func, wait = 300, immediate = false) {
- if (debounceMap.has(func)) return debounceMap.get(func);
- let timeout;
- const debounced = function (...args) {
- const callNow = immediate && !timeout;
- clearTimeout(timeout);
- if (callNow) func.apply(this, args);
- timeout = setTimeout(() => {
- timeout = null;
- if (!immediate) func.apply(this, args);
- }, wait);
- };
- debounceMap.set(func, debounced);
- return debounced;
- },
- throttle(func, limit = 100) {
- let inThrottle = false;
- return function (...args) {
- if (!inThrottle) {
- func.apply(this, args);
- inThrottle = true;
- requestAnimationFrame(() => {
- setTimeout(() => inThrottle = false, limit);
- });
- }
- };
- },
- animateOnScroll: (() => {
- let observer;
- return (elements, options = {}) => {
- if (!('IntersectionObserver' in window)) return;
- if (!observer) {
- observer = new IntersectionObserver((entries) => {
- entries.forEach((entry) => {
- if (entry.isIntersecting) {
- entry.target.classList.add("animate-in");
- observer.unobserve(entry.target);
- }
- });
- }, {
- threshold: 0.1,
- rootMargin: "0px 0px -50px 0px",
- ...options
- });
- }
- elements.forEach((element) => observer.observe(element));
- };
- })()
+ // Performance-optimized debounce with WeakMap cache
+ const debounceCache = new WeakMap();
+
+ const debounce = (func, wait = CONFIG.PERFORMANCE.DEBOUNCE_DELAY) => {
+ if (debounceCache.has(func)) return debounceCache.get(func);
+
+ let timeoutId;
+ const debounced = function executeDebouncedFunction(...args) {
+ clearTimeout(timeoutId);
+ timeoutId = setTimeout(() => func.apply(this, args), wait);
};
+
+ debounced.cancel = () => clearTimeout(timeoutId);
+ debounceCache.set(func, debounced);
+ return debounced;
+ };
+
+ // RAF-based throttle for smooth animations
+ const throttle = (func, limit = CONFIG.PERFORMANCE.THROTTLE_DELAY) => {
+ let waiting = false;
+ let lastArgs = null;
+
+ return function executeThrottledFunction(...args) {
+ if (!waiting) {
+ func.apply(this, args);
+ waiting = true;
+
+ requestAnimationFrame(() => {
+ setTimeout(() => {
+ waiting = false;
+ if (lastArgs) {
+ func.apply(this, lastArgs);
+ lastArgs = null;
+ }
+ }, limit);
+ });
+ } else {
+ lastArgs = args;
+ }
+ };
+ };
+
+ // Lazy fetch with timeout and abort controller
+ const fetchWithTimeout = async (url, options = {}) => {
+ const { timeout = CONFIG.API.TIMEOUT, ...fetchOptions } = options;
+ const controller = new AbortController();
+ const timeoutId = setTimeout(() => controller.abort(), timeout);
+
+ try {
+ const response = await fetch(url, {
+ ...fetchOptions,
+ signal: controller.signal
+ });
+
+ if (!response.ok) {
+ throw new Error(`HTTP ${response.status}: ${response.statusText}`);
+ }
+
+ return response;
+ } finally {
+ clearTimeout(timeoutId);
+ }
+ };
+
+ // Cascade fetch with multiple fallback URLs
+ const fetchWithFallback = async (urls, options = {}) => {
+ const errors = [];
+
+ for (const url of urls) {
+ try {
+ const response = await fetchWithTimeout(url, options);
+ return await response.json();
+ } catch (error) {
+ errors.push({ url, error: error.message });
+ continue;
+ }
+ }
+
+ throw new Error(`All fetch attempts failed: ${JSON.stringify(errors)}`);
+ };
+
+ // Efficient DOM element creation with attributes
+ const createElement = (tag, attributes = {}, children = []) => {
+ const element = document.createElement(tag);
+
+ Object.entries(attributes).forEach(([key, value]) => {
+ if (key === 'className') {
+ element.className = value;
+ } else if (key === 'dataset') {
+ Object.assign(element.dataset, value);
+ } else if (key.startsWith('on') && typeof value === 'function') {
+ element.addEventListener(key.slice(2).toLowerCase(), value);
+ } else {
+ element.setAttribute(key, value);
+ }
+ });
+
+ children.forEach(child => {
+ if (typeof child === 'string') {
+ element.appendChild(document.createTextNode(child));
+ } else if (child instanceof Node) {
+ element.appendChild(child);
+ }
+ });
+
+ return element;
+ };
+
+ // Schedule work during idle time
+ const scheduleIdleWork = (callback, options = {}) => {
+ if ('requestIdleCallback' in window) {
+ return requestIdleCallback(callback, {
+ timeout: CONFIG.PERFORMANCE.RENDER_IDLE_TIMEOUT,
+ ...options
+ });
+ }
+ return requestAnimationFrame(callback);
+ };
+
+ // Cancel scheduled idle work
+ const cancelIdleWork = (id) => {
+ if ('cancelIdleCallback' in window) {
+ cancelIdleCallback(id);
+ } else {
+ cancelAnimationFrame(id);
+ }
+ };
+
+ return Object.freeze({
+ debounce,
+ throttle,
+ fetchWithTimeout,
+ fetchWithFallback,
+ createElement,
+ scheduleIdleWork,
+ cancelIdleWork
+ });
})();
+/* ============================================================================
+ STATE MANAGEMENT
+ ============================================================================ */
+class StateManager {
+ #state = {};
+ #listeners = new Map();
+
+ constructor(initialState = {}) {
+ this.#state = { ...initialState };
+ }
+
+ get(key) {
+ return key ? this.#state[key] : { ...this.#state };
+ }
+
+ set(key, value) {
+ const oldValue = this.#state[key];
+ this.#state[key] = value;
+
+ if (this.#listeners.has(key)) {
+ this.#listeners.get(key).forEach(callback => {
+ callback(value, oldValue);
+ });
+ }
+
+ return this;
+ }
+
+ update(updates) {
+ Object.entries(updates).forEach(([key, value]) => {
+ this.set(key, value);
+ });
+ return this;
+ }
+
+ subscribe(key, callback) {
+ if (!this.#listeners.has(key)) {
+ this.#listeners.set(key, new Set());
+ }
+ this.#listeners.get(key).add(callback);
+
+ return () => this.#listeners.get(key)?.delete(callback);
+ }
+
+ reset() {
+ this.#state = {};
+ this.#listeners.clear();
+ }
+}
+
+/* ============================================================================
+ LOADING MANAGER
+ ============================================================================ */
class LoadingManager {
- constructor() {
- this.activeLoaders = new Map();
- this.template = this.createTemplate();
- }
-
- createTemplate() {
- const template = document.createElement("template");
- template.innerHTML = `
-
- `;
- return template;
- }
-
- show(target, text = "Loading...") {
- const element = typeof target === "string" ? document.querySelector(target) : target;
- if (!element) return null;
-
- const loaderId = `loader-${Date.now()}-${Math.random().toString(36).slice(2)}`;
- const loaderElement = this.template.content.cloneNode(true).firstElementChild;
- loaderElement.dataset.loaderId = loaderId;
- loaderElement.querySelector(".loading-text").textContent = text;
-
- const computedStyle = getComputedStyle(element);
- if (computedStyle.position === "static") {
- element.style.position = "relative";
- }
-
- element.appendChild(loaderElement);
- this.activeLoaders.set(loaderId, loaderElement);
-
- requestAnimationFrame(() => loaderElement.classList.add("loading-overlay--visible"));
- return loaderId;
- }
-
- hide(target, loaderId) {
- const loaderElement = this.activeLoaders.get(loaderId);
- if (loaderElement) {
- loaderElement.classList.add("loading-overlay--hiding");
- this.activeLoaders.delete(loaderId);
- setTimeout(() => loaderElement.remove(), 250);
- }
- }
-
- hideAll() {
- this.activeLoaders.forEach((_, loaderId) => this.hide(null, loaderId));
+ #loaders = new Map();
+ #template = null;
+
+ constructor() {
+ this.#template = this.#createTemplate();
+ }
+
+ #createTemplate() {
+ const template = document.createElement('template');
+ template.innerHTML = `
+
+ `;
+ return template;
+ }
+
+ show(target, text = 'Loading...') {
+ const element = typeof target === 'string'
+ ? document.querySelector(target)
+ : target;
+
+ if (!element) return null;
+
+ const loaderId = `loader-${Date.now()}-${Math.random().toString(36).slice(2, 11)}`;
+ const loader = this.#template.content.cloneNode(true).firstElementChild;
+
+ loader.dataset.loaderId = loaderId;
+ loader.querySelector('.loading-text').textContent = text;
+
+ // Ensure parent has positioning context
+ if (getComputedStyle(element).position === 'static') {
+ element.style.position = 'relative';
}
+
+ element.appendChild(loader);
+ this.#loaders.set(loaderId, { element: loader, parent: element });
+
+ // Trigger animation
+ requestAnimationFrame(() => {
+ loader.classList.add('loading-overlay--visible');
+ });
+
+ return loaderId;
+ }
+
+ hide(loaderId) {
+ const loaderData = this.#loaders.get(loaderId);
+ if (!loaderData) return;
+
+ const { element } = loaderData;
+ element.classList.remove('loading-overlay--visible');
+ element.classList.add('loading-overlay--hiding');
+
+ setTimeout(() => {
+ element.remove();
+ this.#loaders.delete(loaderId);
+ }, CONFIG.ANIMATION.DURATION);
+ }
+
+ hideAll() {
+ this.#loaders.forEach((_, loaderId) => this.hide(loaderId));
+ }
}
+/* ============================================================================
+ DATA TRANSFORMER
+ ============================================================================ */
+class DataTransformer {
+ static transformIndexedData(data) {
+ if (!data?.services || !data?.supported) {
+ return { isIndexed: false, data };
+ }
+
+ const { services, supported } = data;
+ const transformed = {};
+
+ Object.entries(supported).forEach(([host, indices]) => {
+ transformed[host] = Object.fromEntries(
+ services.map((service, idx) => [
+ service,
+ indices.includes(idx) ? '✅' : '❌'
+ ])
+ );
+ });
+
+ return {
+ isIndexed: true,
+ data: transformed,
+ services
+ };
+ }
+
+ static extractServices(data) {
+ const firstHost = Object.values(data)[0];
+ return firstHost ? Object.keys(firstHost) : [];
+ }
+}
+
+/* ============================================================================
+ TABLE MANAGER
+ ============================================================================ */
class TableManager {
- constructor(containerId, searchInputId, clearIconId, options = {}) {
- this.elements = {
- container: document.getElementById(containerId),
- searchInput: document.getElementById(searchInputId),
- clearIcon: document.getElementById(clearIconId)
- };
-
- this.options = {
- sortable: true,
- filterable: true,
- pagination: false,
- itemsPerPage: 50,
- ...options
- };
-
- this.state = {
- currentData: {},
- filteredData: {},
- currentSort: { column: null, direction: "asc" },
- currentPage: 1,
- services: [], // Store services array for indexed format
- columns: [],
- isIndexedFormat: false // Flag to track data format
- };
-
- this.handleSearch = Utils.debounce(this._performSearch.bind(this), 250);
- this.handleSort = this._performSort.bind(this);
- this.renderToken = null;
- this._init();
+ #elements = {};
+ #state = null;
+ #renderToken = null;
+ #idleCallbackId = null;
+
+ constructor(containerId, searchInputId, clearIconId, options = {}) {
+ this.#elements = {
+ container: document.getElementById(containerId),
+ searchInput: document.getElementById(searchInputId),
+ clearIcon: document.getElementById(clearIconId)
+ };
+
+ this.options = {
+ sortable: true,
+ chunkSize: CONFIG.PERFORMANCE.RENDER_CHUNK_SIZE,
+ ...options
+ };
+
+ this.#state = new StateManager({
+ currentData: {},
+ filteredData: {},
+ sort: { column: null, direction: 'asc' },
+ services: [],
+ columns: []
+ });
+
+ this.#init();
+ }
+
+ #init() {
+ if (!this.#elements.container) return;
+
+ // Bind event handlers
+ if (this.#elements.searchInput) {
+ const debouncedSearch = Utils.debounce(() => this.#performSearch());
+ this.#elements.searchInput.addEventListener('input', debouncedSearch);
+ this.#elements.searchInput.addEventListener('keydown', (e) => {
+ if (e.key === 'Escape') this.#clearSearch();
+ });
}
-
- _init() {
- if (this.elements.searchInput) {
- this.elements.searchInput.addEventListener("input", this.handleSearch);
- this.elements.searchInput.addEventListener("keydown", (e) => {
- if (e.key === "Escape") this._clearSearch();
- });
- }
-
- if (this.elements.clearIcon) {
- this.elements.clearIcon.addEventListener("click", () => this._clearSearch());
- }
+
+ if (this.#elements.clearIcon) {
+ this.#elements.clearIcon.addEventListener('click', () => this.#clearSearch());
}
-
- // New method to transform indexed data to regular format
- _transformIndexedData(indexedData) {
- // Check if data is in indexed format (has services and supported properties)
- if (indexedData.services && indexedData.supported) {
- // Handle indexed format
- const { services, supported } = indexedData;
- const transformed = {};
-
- for (const [host, supportedIndices] of Object.entries(supported)) {
- transformed[host] = {};
- services.forEach((service, index) => {
- transformed[host][service] = supportedIndices.includes(index) ? "✅" : "❌";
- });
- }
-
- // Store services for later use
- this.state.services = services;
- this.state.isIndexedFormat = true;
-
- return transformed;
- } else {
- // Data is already in the direct format (host -> service -> ✅/❌)
- this.state.isIndexedFormat = false;
- return indexedData;
- }
+ }
+
+ generateTable(rawData) {
+ if (!this.#elements.container || !rawData) {
+ this.#showEmptyState('No data available');
+ return;
}
-
- // Modified method to handle both formats
- generateTable(data = {}) {
- if (!this.elements.container) return;
-
- // Handle both indexed and direct formats
- let processedData;
- if (data.services && data.supported) {
- // Indexed format
- processedData = this._transformIndexedData(data);
- } else {
- // Direct format
- processedData = data;
- this.state.isIndexedFormat = false;
- // Try to extract services from first entry
- const firstHost = Object.values(processedData)[0];
- this.state.services = firstHost ? Object.keys(firstHost) : [];
- }
-
- if (!Object.keys(processedData).length) {
- this.elements.container.innerHTML = '';
- return;
- }
-
- this.state.currentData = processedData;
- this.state.filteredData = { ...processedData };
-
- const firstHostKey = Object.keys(processedData)[0];
- const columns = firstHostKey ? Object.keys(processedData[firstHostKey]) : [];
- this.state.columns = columns;
- const tableId = this.elements.container.id.replace("-container", "");
-
- const fragment = document.createDocumentFragment();
- const wrapper = document.createElement("div");
- wrapper.className = "table-wrapper";
-
- const table = document.createElement("table");
- table.id = tableId;
- table.className = "enhanced-table";
- table.setAttribute("aria-label", "Service Comparison Table");
-
- const thead = document.createElement("thead");
- thead.innerHTML = this._generateTableHeader(columns);
- table.appendChild(thead);
-
- const tbody = document.createElement("tbody");
- table.appendChild(tbody);
-
- wrapper.appendChild(table);
- fragment.appendChild(wrapper);
-
- this.elements.container.innerHTML = "";
- this.elements.container.appendChild(fragment);
-
- this._attachTableEvents();
- this._renderTableBody(this.state.filteredData, columns);
+
+ // Transform data if needed
+ const { data, services } = DataTransformer.transformIndexedData(rawData);
+
+ if (!Object.keys(data).length) {
+ this.#showEmptyState('No data available');
+ return;
}
-
- _generateTableHeader(columns) {
- return `
-
- |
- Service Name
-
- |
- ${columns.map(column => `
-
- ${column}
-
- |
- `).join("")}
-
- `;
+
+ // Update state
+ this.#state.update({
+ currentData: data,
+ filteredData: { ...data },
+ services: services || DataTransformer.extractServices(data),
+ columns: DataTransformer.extractServices(data)
+ });
+
+ this.#renderTable();
+ }
+
+ #renderTable() {
+ const { columns } = this.#state.get();
+ const tableId = this.#elements.container.id.replace('-container', '');
+
+ // Create table structure
+ const table = Utils.createElement('table', {
+ id: tableId,
+ className: 'enhanced-table',
+ role: 'table',
+ 'aria-label': 'Service Comparison Table'
+ });
+
+ // Create header
+ const thead = Utils.createElement('thead');
+ thead.innerHTML = this.#generateHeaderHTML(columns);
+ table.appendChild(thead);
+
+ // Create body
+ const tbody = Utils.createElement('tbody');
+ table.appendChild(tbody);
+
+ // Create wrapper
+ const wrapper = Utils.createElement('div', { className: 'table-wrapper' }, [table]);
+
+ // Replace container content
+ this.#elements.container.innerHTML = '';
+ this.#elements.container.appendChild(wrapper);
+
+ // Attach event handlers
+ this.#attachTableEvents();
+
+ // Render rows
+ this.#renderTableBody();
+ }
+
+ #generateHeaderHTML(columns) {
+ const generateHeaderCell = (label, dataColumn) => `
+
+ ${label}
+
+ |
+ `;
+
+ const columnHeaders = columns
+ .map(col => generateHeaderCell(col, col))
+ .join('');
+
+ return `
+
+ ${generateHeaderCell('Service Name', 'service')}
+ ${columnHeaders}
+
+ `;
+ }
+
+ #renderTableBody() {
+ const table = this.#elements.container?.querySelector('table');
+ const tbody = table?.querySelector('tbody');
+ if (!tbody) return;
+
+ const { filteredData, columns } = this.#state.get();
+ const entries = Object.entries(filteredData);
+
+ // Cancel any pending render
+ if (this.#idleCallbackId) {
+ Utils.cancelIdleWork(this.#idleCallbackId);
}
-
- _renderTableBody(data, columns = this.state.columns) {
- const table = this.elements.container.querySelector("table");
- const tbody = table?.querySelector("tbody");
- if (!tbody) return;
-
- const effectiveColumns = Array.isArray(columns) && columns.length ? columns : this.state.columns;
- const entries = Object.entries(data);
- const token = Symbol("render");
- this.renderToken = token;
-
- tbody.textContent = "";
-
- if (!entries.length) {
- const emptyRow = document.createElement("tr");
- const emptyCell = document.createElement("td");
- emptyCell.colSpan = (effectiveColumns?.length || 0) + 1;
- emptyCell.className = "empty-state-row";
- emptyCell.textContent = "No services match your current filters.";
- emptyRow.appendChild(emptyCell);
- tbody.appendChild(emptyRow);
- return;
- }
-
- let index = 0;
- const baseChunk = Math.max(20, 60 - Math.max(0, effectiveColumns.length - 4) * 5);
- const isCompact = typeof window !== "undefined" && typeof window.matchMedia === "function"
- ? window.matchMedia("(max-width: 640px)").matches
- : false;
- const chunkSize = isCompact ? Math.max(10, Math.floor(baseChunk / 1.5)) : baseChunk;
- const schedule = (cb) => {
- if (typeof requestIdleCallback === "function") {
- requestIdleCallback(cb, { timeout: 160 });
- } else {
- requestAnimationFrame(cb);
- }
- };
-
- const renderChunk = () => {
- if (this.renderToken !== token) return;
-
- const fragment = document.createDocumentFragment();
- const limit = Math.min(entries.length, index + chunkSize);
- for (; index < limit; index++) {
- const [host, hostData] = entries[index];
- fragment.appendChild(this._createTableRow(host, hostData, effectiveColumns));
- }
- tbody.appendChild(fragment);
-
- if (index < entries.length) {
- schedule(renderChunk);
- }
- };
-
- schedule(renderChunk);
+
+ // Generate unique render token
+ const token = Symbol('render');
+ this.#renderToken = token;
+
+ // Clear tbody
+ tbody.textContent = '';
+
+ if (!entries.length) {
+ this.#renderEmptyRow(tbody, columns.length + 1);
+ return;
}
-
- _createTableRow(host, hostData, columns) {
- const row = document.createElement("tr");
- row.dataset.host = host.toLowerCase();
- row.setAttribute("role", "row");
-
- const serviceCell = document.createElement("td");
- serviceCell.className = "service-cell";
- serviceCell.setAttribute("role", "gridcell");
-
- const serviceInfo = document.createElement("div");
- serviceInfo.className = "service-info";
-
- const serviceName = document.createElement("span");
- serviceName.className = "service-name";
- serviceName.textContent = host;
-
- serviceInfo.appendChild(serviceName);
- serviceCell.appendChild(serviceInfo);
- row.appendChild(serviceCell);
-
- columns.forEach((column) => {
- const statusCell = document.createElement("td");
- statusCell.className = "status-cell";
- statusCell.dataset.status = hostData[column] || "";
- const isSupported = hostData[column] === "✅";
- statusCell.dataset.supported = isSupported ? "true" : "false";
- statusCell.setAttribute("role", "gridcell");
- const indicator = document.createElement("span");
- indicator.className = "status-indicator";
- indicator.dataset.supported = isSupported ? "true" : "false";
- indicator.textContent = isSupported ? "✅" : "❌";
- indicator.setAttribute("aria-hidden", "true");
-
- const srText = document.createElement("span");
- srText.className = "visually-hidden";
- srText.textContent = isSupported ? "Supported" : "Not supported";
-
- statusCell.appendChild(indicator);
- statusCell.appendChild(srText);
- row.appendChild(statusCell);
+
+ // Render in chunks
+ this.#renderChunked(tbody, entries, columns, token);
+ }
+
+ #renderChunked(tbody, entries, columns, token) {
+ let index = 0;
+ const chunkSize = this.options.chunkSize;
+
+ const renderNextChunk = () => {
+ // Check if render was cancelled
+ if (this.#renderToken !== token) return;
+
+ const fragment = document.createDocumentFragment();
+ const limit = Math.min(entries.length, index + chunkSize);
+
+ for (; index < limit; index++) {
+ const [host, hostData] = entries[index];
+ const row = this.#createTableRow(host, hostData, columns);
+ fragment.appendChild(row);
+ }
+
+ tbody.appendChild(fragment);
+
+ // Continue rendering if more entries exist
+ if (index < entries.length) {
+ this.#idleCallbackId = Utils.scheduleIdleWork(renderNextChunk);
+ }
+ };
+
+ this.#idleCallbackId = Utils.scheduleIdleWork(renderNextChunk);
+ }
+
+ #createTableRow(host, hostData, columns) {
+ const row = Utils.createElement('tr', {
+ role: 'row',
+ dataset: { host: host.toLowerCase() }
+ });
+
+ // Service name cell
+ const serviceCell = this.#createServiceCell(host);
+ row.appendChild(serviceCell);
+
+ // Status cells
+ columns.forEach(column => {
+ const statusCell = this.#createStatusCell(hostData[column]);
+ row.appendChild(statusCell);
+ });
+
+ return row;
+ }
+
+ #createServiceCell(serviceName) {
+ const cell = Utils.createElement('td', {
+ className: 'service-cell',
+ role: 'gridcell'
+ });
+
+ const serviceInfo = Utils.createElement('div', { className: 'service-info' });
+ const nameSpan = Utils.createElement('span', { className: 'service-name' }, [serviceName]);
+
+ serviceInfo.appendChild(nameSpan);
+ cell.appendChild(serviceInfo);
+
+ return cell;
+ }
+
+ #createStatusCell(status) {
+ const isSupported = status === '✅';
+ const cell = Utils.createElement('td', {
+ className: 'status-cell',
+ role: 'gridcell',
+ dataset: {
+ status: status || '',
+ supported: isSupported ? 'true' : 'false'
+ }
+ });
+
+ const indicator = Utils.createElement('span', {
+ className: 'status-indicator',
+ 'aria-hidden': 'true',
+ dataset: { supported: isSupported ? 'true' : 'false' }
+ }, [isSupported ? '✅' : '❌']);
+
+ const srText = Utils.createElement('span', {
+ className: 'visually-hidden'
+ }, [isSupported ? 'Supported' : 'Not supported']);
+
+ cell.appendChild(indicator);
+ cell.appendChild(srText);
+
+ return cell;
+ }
+
+ #renderEmptyRow(tbody, colSpan) {
+ const row = Utils.createElement('tr');
+ const cell = Utils.createElement('td', {
+ className: 'empty-state-row',
+ colSpan
+ }, ['No services match your current filters.']);
+
+ row.appendChild(cell);
+ tbody.appendChild(row);
+ }
+
+ #attachTableEvents() {
+ if (!this.options.sortable) return;
+
+ const thead = this.#elements.container.querySelector('thead');
+ if (!thead) return;
+
+ thead.addEventListener('click', (e) => this.#handleSort(e));
+ thead.addEventListener('keydown', (e) => {
+ const sortableHeader = e.target.closest('.sortable');
+ if (sortableHeader && (e.key === 'Enter' || e.key === ' ')) {
+ e.preventDefault();
+ this.#handleSort({ target: sortableHeader });
+ }
+ });
+ }
+
+ #handleSort(event) {
+ const header = event.target.closest('.sortable');
+ if (!header) return;
+
+ const column = header.dataset.column;
+ const { sort, currentData } = this.#state.get();
+
+ // Determine sort direction
+ const direction = sort.column === column && sort.direction === 'asc'
+ ? 'desc'
+ : 'asc';
+
+ // Update state
+ this.#state.set('sort', { column, direction });
+
+ // Update ARIA attributes
+ const allHeaders = this.#elements.container.querySelectorAll('[role="columnheader"]');
+ allHeaders.forEach(h => h.setAttribute('aria-sort', 'none'));
+ header.setAttribute('aria-sort', direction === 'asc' ? 'ascending' : 'descending');
+
+ // Sort data
+ const sortedData = this.#sortData(currentData, column, direction);
+ this.#state.set('filteredData', sortedData);
+
+ // Re-render
+ this.#renderTableBody();
+ }
+
+ #sortData(data, column, direction) {
+ const entries = Object.entries(data);
+
+ entries.sort(([hostA, dataA], [hostB, dataB]) => {
+ let valueA, valueB;
+
+ if (column === 'service') {
+ valueA = hostA.toLowerCase();
+ valueB = hostB.toLowerCase();
+ } else {
+ valueA = dataA[column] === '✅' ? 1 : 0;
+ valueB = dataB[column] === '✅' ? 1 : 0;
+ }
+
+ if (valueA < valueB) return direction === 'asc' ? -1 : 1;
+ if (valueA > valueB) return direction === 'asc' ? 1 : -1;
+ return 0;
+ });
+
+ return Object.fromEntries(entries);
+ }
+
+ #performSearch() {
+ const searchTerm = (this.#elements.searchInput?.value || '').toLowerCase().trim();
+ const { currentData } = this.#state.get();
+
+ if (searchTerm) {
+ const filtered = Object.fromEntries(
+ Object.entries(currentData).filter(([host]) =>
+ host.toLowerCase().includes(searchTerm)
+ )
+ );
+
+ this.#state.set('filteredData', filtered);
+
+ if (this.#elements.clearIcon) {
+ this.#elements.clearIcon.style.display = 'block';
+ }
+
+ this.#updateSearchResults(searchTerm, Object.keys(filtered).length, Object.keys(currentData).length);
+ } else {
+ this.#clearSearch();
+ }
+
+ this.#renderTableBody();
+ }
+
+ #clearSearch() {
+ if (this.#elements.searchInput) {
+ this.#elements.searchInput.value = '';
+ }
+
+ const { currentData } = this.#state.get();
+ this.#state.set('filteredData', { ...currentData });
+
+ if (this.#elements.clearIcon) {
+ this.#elements.clearIcon.style.display = 'none';
+ }
+
+ this.#updateSearchResults('', 0, 0);
+ this.#renderTableBody();
+ }
+
+ #updateSearchResults(searchTerm, filteredCount, totalCount) {
+ if (!this.#elements.container) return;
+
+ let resultsElement = this.#elements.container.querySelector('.search-results');
+
+ if (searchTerm) {
+ if (!resultsElement) {
+ resultsElement = Utils.createElement('div', {
+ className: 'search-results',
+ role: 'status',
+ 'aria-live': 'polite'
});
-
- return row;
- }
-
- _attachTableEvents() {
- if (!this.options.sortable) return;
-
- const thead = this.elements.container.querySelector("thead");
- if (thead) {
- thead.addEventListener("click", this.handleSort);
- thead.addEventListener("keydown", (e) => {
- const sortableHeader = e.target.closest(".sortable");
- if (sortableHeader && (e.key === "Enter" || e.key === " ")) {
- e.preventDefault();
- this.handleSort({ target: sortableHeader });
- }
- });
- }
- }
-
- _performSearch() {
- const searchTerm = (this.elements.searchInput?.value || "").toLowerCase().trim();
-
- if (searchTerm) {
- this.state.filteredData = Object.fromEntries(
- Object.entries(this.state.currentData).filter(([host]) =>
- host.toLowerCase().includes(searchTerm)
- )
- );
- if (this.elements.clearIcon) {
- this.elements.clearIcon.style.display = "block";
- }
- } else {
- this.state.filteredData = { ...this.state.currentData };
- if (this.elements.clearIcon) {
- this.elements.clearIcon.style.display = "none";
- }
- }
-
- this._updateTableContent();
- this._updateSearchResults(searchTerm);
- }
-
- _clearSearch() {
- if (this.elements.searchInput) {
- this.elements.searchInput.value = "";
- }
- this.state.filteredData = { ...this.state.currentData };
- if (this.elements.clearIcon) {
- this.elements.clearIcon.style.display = "none";
- }
- this._updateTableContent();
- this._updateSearchResults("");
- }
-
- _updateSearchResults(searchTerm) {
- if (!this.elements.container) return;
-
- let resultsElement = this.elements.container.querySelector(".search-results");
-
- if (searchTerm) {
- const filteredCount = Object.keys(this.state.filteredData).length;
- const totalCount = Object.keys(this.state.currentData).length;
-
- if (!resultsElement) {
- resultsElement = document.createElement("div");
- resultsElement.className = "search-results";
- this.elements.container.insertBefore(resultsElement, this.elements.container.firstChild);
- }
-
- resultsElement.textContent = `Showing ${filteredCount} of ${totalCount} services`;
- resultsElement.style.display = "block";
- resultsElement.style.textAlign = "center";
- resultsElement.style.padding = "0.5em 0";
- } else if (resultsElement) {
- resultsElement.style.display = "none";
- }
- }
-
- _performSort(event) {
- const sortableHeader = event.target.closest(".sortable");
- if (!sortableHeader) return;
-
- const column = sortableHeader.dataset.column;
- const { currentSort } = this.state;
- const direction = currentSort.column === column && currentSort.direction === "asc" ? "desc" : "asc";
-
- this.state.currentSort = { column, direction };
-
- // Update UI
- this.elements.container.querySelectorAll("th.sortable").forEach(header => {
- header.setAttribute("aria-sort", "none");
- header.classList.remove("sorted-asc", "sorted-desc");
- });
-
- sortableHeader.setAttribute("aria-sort", direction === "asc" ? "ascending" : "descending");
- sortableHeader.classList.add(`sorted-${direction}`);
-
- this._sortData();
- this._updateTableContent();
- }
-
- _sortData() {
- const { column, direction } = this.state.currentSort;
- const entries = Object.entries(this.state.filteredData);
-
- entries.sort(([hostA, dataA], [hostB, dataB]) => {
- let valueA, valueB;
-
- if (column === "service") {
- valueA = hostA.toLowerCase();
- valueB = hostB.toLowerCase();
- } else {
- // Convert "✅"/"❌" to numeric values for sorting
- valueA = dataA[column] === "✅" ? 1 : 0;
- valueB = dataB[column] === "✅" ? 1 : 0;
- }
-
- let comparison = 0;
- if (valueA > valueB) comparison = 1;
- else if (valueA < valueB) comparison = -1;
-
- return direction === "asc" ? comparison : -comparison;
- });
-
- this.state.filteredData = Object.fromEntries(entries);
- }
-
- _updateTableContent() {
- this._renderTableBody(this.state.filteredData, this.state.columns);
+ this.#elements.container.insertBefore(resultsElement, this.#elements.container.firstChild);
+ }
+
+ resultsElement.textContent = `Showing ${filteredCount} of ${totalCount} services`;
+ resultsElement.style.display = 'block';
+ } else if (resultsElement) {
+ resultsElement.style.display = 'none';
}
+ }
+
+ #showEmptyState(message) {
+ if (!this.#elements.container) return;
+
+ const emptyState = Utils.createElement('div', {
+ className: 'empty-state'
+ });
+
+ const emptyMessage = Utils.createElement('p', {}, [message]);
+ emptyState.appendChild(emptyMessage);
+
+ this.#elements.container.innerHTML = '';
+ this.#elements.container.appendChild(emptyState);
+ }
}
-/* ==============================
- Comparison Manager
- ============================== */
+/* ============================================================================
+ COMPARISON MANAGER
+ ============================================================================ */
class ComparisonManager {
- constructor(containerId, select1Id, select2Id, data) {
- this.elements = {
- container: document.getElementById(containerId),
- select1: document.getElementById(select1Id),
- select2: document.getElementById(select2Id)
- };
-
- this.data = data;
- this.isComparing = false;
- this.handleCompare = this._generateCompareTable.bind(this);
- this.services = []; // Store services array for indexed format
-
- // Check if data is in indexed format
- if (data.services && data.supported) {
- this.services = data.services;
- this.isIndexedFormat = true;
- } else {
- // Extract services from regular format
- const firstHost = Object.values(data)[0];
- this.services = firstHost ? Object.keys(firstHost) : [];
- this.isIndexedFormat = false;
- }
-
- this._init();
+ #elements = {};
+ #data = null;
+ #services = [];
+
+ constructor(containerId, select1Id, select2Id, data) {
+ this.#elements = {
+ container: document.getElementById(containerId),
+ select1: document.getElementById(select1Id),
+ select2: document.getElementById(select2Id)
+ };
+
+ const transformed = DataTransformer.transformIndexedData(data);
+ this.#data = transformed.data;
+ this.#services = transformed.services || DataTransformer.extractServices(transformed.data);
+
+ this.#init();
+ }
+
+ #init() {
+ if (!this.#elements.select1 || !this.#elements.select2) return;
+
+ this.#elements.select1.addEventListener('change', () => this.#handleCompare());
+ this.#elements.select2.addEventListener('change', () => this.#handleCompare());
+ }
+
+ #handleCompare() {
+ const service1 = this.#elements.select1.value;
+ const service2 = this.#elements.select2.value;
+
+ if (!service1 || !service2) {
+ this.#showEmptyState();
+ return;
}
-
- _init() {
- this._populateDropdowns();
-
- if (this.elements.select1) {
- this.elements.select1.addEventListener("change", this.handleCompare);
- }
-
- if (this.elements.select2) {
- this.elements.select2.addEventListener("change", this.handleCompare);
- }
-
- document.addEventListener("keydown", (e) => {
- if (this.isComparing && e.key === "Escape") {
- this._closeComparison();
- }
- });
+
+ if (service1 === service2) {
+ this.#showSameProviderWarning();
+ return;
}
-
- _populateDropdowns() {
- // Use the stored services array
- const optionsHtml = '' +
- this.services.map(service =>
- ``
- ).join("");
-
- [this.elements.select1, this.elements.select2].forEach(select => {
- if (select) {
- select.innerHTML = optionsHtml;
- }
- });
- }
-
- // Transform indexed data to regular format for comparison
- _getHostData(hostName) {
- if (this.isIndexedFormat) {
- // Convert indexed format to regular format
- const supportedIndices = this.data.supported[hostName] || [];
- const hostData = {};
- this.services.forEach((service, index) => {
- hostData[service] = supportedIndices.includes(index) ? "✅" : "❌";
- });
- return hostData;
- } else {
- // Return data as-is for regular format (already using ✅/❌)
- return this.data[hostName] || {};
- }
- }
-
- _generateCompareTable() {
- const service1 = this.elements.select1?.value;
- const service2 = this.elements.select2?.value;
-
- if (!service1 || !service2) {
- this._showEmptyState();
- return;
- }
-
- if (service1 === service2) {
- this._showSameProviderWarning();
- return;
- }
-
- this.isComparing = true;
- const loaderId = loadingManager.show(this.elements.container, "Generating comparison...");
-
- requestAnimationFrame(() => {
- this._renderComparisonTable(service1, service2);
- loadingManager.hide(this.elements.container, loaderId);
- });
- }
-
- _renderComparisonTable(service1, service2) {
- const stats = this._calculateComparisonStats(service1, service2);
-
- const fragment = document.createDocumentFragment();
- const wrapper = document.createElement("div");
- wrapper.innerHTML = `
-
-
-
-
-
-
-
-
-
-
-
-
- | Service Name |
-
-
- Status |
-
-
-
- ${this._generateComparisonRows(service1, service2)}
-
-
-
- ${emoji}
- ${supported ? "Supported" : "Not supported"}
- |
- `;
- };
-
- for (const host of hosts) {
- const hostData = this._getHostData(host);
- const supported1 = hostData[service1] === "✅";
- const supported2 = hostData[service2] === "✅";
-
- let statusClass = "neither-supported";
- let statusText = "Neither";
-
- if (supported1 && supported2) {
- statusClass = "both-supported";
- statusText = "Both";
- } else if (supported1) {
- statusClass = "service1-only";
- statusText = `${service1} only`;
- } else if (supported2) {
- statusClass = "service2-only";
- statusText = `${service2} only`;
- }
-
- rows.push(`
-
- | ${host} |
- ${getStatusCell(supported1)}
- ${getStatusCell(supported2)}
- ${statusText} |
-
- `);
- }
-
- return rows.join("");
- }
-
- _calculateComparisonStats(service1, service2) {
- let shared = 0;
- let service1Only = 0;
- let service2Only = 0;
-
- // Get all hosts
- const hosts = this.isIndexedFormat ? Object.keys(this.data.supported) : Object.keys(this.data);
-
- for (const host of hosts) {
- const hostData = this._getHostData(host);
- const supported1 = hostData[service1] === "✅";
- const supported2 = hostData[service2] === "✅";
-
- if (supported1 && supported2) {
- shared++;
- } else if (supported1) {
- service1Only++;
- } else if (supported2) {
- service2Only++;
- }
- }
-
- return { shared, service1Only, service2Only };
- }
-
- _attachComparisonEvents() {
- const closeBtn = this.elements.container.querySelector("#close-compare");
- if (closeBtn) {
- closeBtn.addEventListener("click", () => this._closeComparison());
- }
-
- this.elements.container.addEventListener("change", (e) => {
- if (e.target.name === "comparison-filter") {
- this._filterComparison(e.target.value);
- }
- });
- }
-
- _filterComparison(filterValue) {
- const rows = this.elements.container.querySelectorAll(".comparison-row");
- let visibleCount = 0;
-
- rows.forEach(row => {
- const status = row.dataset.status;
- const shouldShow =
- filterValue === "all" ||
- (filterValue === "both" && status === "both-supported") ||
- (filterValue === "different" && (status === "service1-only" || status === "service2-only"));
-
- row.style.display = shouldShow ? "" : "none";
- if (shouldShow) visibleCount++;
- });
-
- let resultsElement = this.elements.container.querySelector(".filter-results");
- if (!resultsElement) {
- resultsElement = document.createElement("div");
- resultsElement.className = "filter-results";
- const tableWrapper = this.elements.container.querySelector(".table-wrapper");
- tableWrapper.parentNode.insertBefore(resultsElement, tableWrapper);
- }
-
- resultsElement.textContent = `Showing ${visibleCount} services`;
- }
-
- _closeComparison() {
- this.elements.container.classList.add("comparison-hiding");
- setTimeout(() => {
- this.elements.container.style.display = "none";
- this.elements.container.classList.remove("comparison-visible", "comparison-hiding");
- this.isComparing = false;
- this._showEmptyState();
- }, 250);
- }
-
- _showEmptyState() {
- this.elements.container.innerHTML = `
-
-
⚖️
-
Ready to Compare
-
Select two services above to see a detailed comparison
-
-
⚠️
-
Same Service Selected
-
Please select two different services to compare
-
+ | Host |
+ ${service1} |
+ ${service2} |
+ Status |
+
+ `;
+ table.appendChild(thead);
+
+ // Body
+ const tbody = Utils.createElement('tbody');
+ hosts.forEach(host => {
+ const row = this.#createComparisonRow(host, service1, service2);
+ tbody.appendChild(row);
+ });
+ table.appendChild(tbody);
+
+ wrapper.appendChild(table);
+ return wrapper;
+ }
+
+ #createComparisonRow(host, service1, service2) {
+ const hostData = this.#data[host];
+ const supported1 = hostData[service1] === '✅';
+ const supported2 = hostData[service2] === '✅';
+
+ let statusClass = 'neither-supported';
+ let statusText = 'Neither';
+
+ if (supported1 && supported2) {
+ statusClass = 'both-supported';
+ statusText = 'Both';
+ } else if (supported1) {
+ statusClass = 'service1-only';
+ statusText = `${service1} only`;
+ } else if (supported2) {
+ statusClass = 'service2-only';
+ statusText = `${service2} only`;
}
+
+ const row = Utils.createElement('tr', {
+ className: `comparison-row ${statusClass}`,
+ dataset: { status: statusClass }
+ });
+
+ // Host name
+ const hostCell = Utils.createElement('td', { className: 'service-name' }, [host]);
+ row.appendChild(hostCell);
+
+ // Service 1 status
+ const status1Cell = this.#createStatusCell(supported1);
+ row.appendChild(status1Cell);
+
+ // Service 2 status
+ const status2Cell = this.#createStatusCell(supported2);
+ row.appendChild(status2Cell);
+
+ // Status text
+ const statusTextCell = Utils.createElement('td', { className: 'status-text' });
+ const badge = Utils.createElement('span', {
+ className: `status-badge ${statusClass}`
+ }, [statusText]);
+ statusTextCell.appendChild(badge);
+ row.appendChild(statusTextCell);
+
+ return row;
+ }
+
+ #createStatusCell(isSupported) {
+ const cell = Utils.createElement('td', {
+ className: `support-status ${isSupported ? 'supported' : 'not-supported'}`,
+ dataset: { supported: isSupported ? 'true' : 'false' }
+ });
+
+ const indicator = Utils.createElement('span', {
+ className: 'status-indicator',
+ 'aria-hidden': 'true',
+ dataset: { supported: isSupported ? 'true' : 'false' }
+ }, [isSupported ? '✅' : '❌']);
+
+ const srText = Utils.createElement('span', {
+ className: 'visually-hidden'
+ }, [isSupported ? 'Supported' : 'Not supported']);
+
+ cell.appendChild(indicator);
+ cell.appendChild(srText);
+
+ return cell;
+ }
+
+ #calculateStats(service1, service2, hosts) {
+ let shared = 0;
+ let service1Only = 0;
+ let service2Only = 0;
+
+ hosts.forEach(host => {
+ const hostData = this.#data[host];
+ const supported1 = hostData[service1] === '✅';
+ const supported2 = hostData[service2] === '✅';
+
+ if (supported1 && supported2) shared++;
+ else if (supported1) service1Only++;
+ else if (supported2) service2Only++;
+ });
+
+ return { shared, service1Only, service2Only };
+ }
+
+ #showEmptyState() {
+ this.#elements.container.innerHTML = `
+
+
Select Two Services to Compare
+
Choose services from the dropdowns above to see a detailed comparison.
+
+
⚠️
+
Same Service Selected
+
Please select two different services to compare
+
+
Failed to load data. Please check your connection and refresh.
+
Failed to load data. Please check your connection and refresh.