mirror of
https://github.com/basicswap/basicswap.git
synced 2025-01-22 02:24:31 +00:00
Fix potential sources of mem leaks.
This commit is contained in:
gerlofvanek
parent
65fbcda556
commit
b70e46ffc1
1 changed files with 281 additions and 185 deletions
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@ -1,3 +1,66 @@
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const EventManager = {
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listeners: new Map(),
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add(element, type, handler, options = false) {
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if (!this.listeners.has(element)) {
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this.listeners.set(element, new Map());
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}
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const elementListeners = this.listeners.get(element);
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if (!elementListeners.has(type)) {
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elementListeners.set(type, new Set());
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}
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const handlerInfo = { handler, options };
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elementListeners.get(type).add(handlerInfo);
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element.addEventListener(type, handler, options);
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return handlerInfo;
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},
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remove(element, type, handler, options = false) {
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const elementListeners = this.listeners.get(element);
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if (!elementListeners) return;
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const typeListeners = elementListeners.get(type);
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if (!typeListeners) return;
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typeListeners.forEach(info => {
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if (info.handler === handler) {
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element.removeEventListener(type, handler, options);
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typeListeners.delete(info);
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}
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});
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if (typeListeners.size === 0) {
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elementListeners.delete(type);
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}
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if (elementListeners.size === 0) {
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this.listeners.delete(element);
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}
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},
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removeAll(element) {
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const elementListeners = this.listeners.get(element);
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if (!elementListeners) return;
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elementListeners.forEach((typeListeners, type) => {
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typeListeners.forEach(info => {
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element.removeEventListener(type, info.handler, info.options);
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});
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});
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this.listeners.delete(element);
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},
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clearAll() {
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this.listeners.forEach((elementListeners, element) => {
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this.removeAll(element);
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});
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this.listeners.clear();
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}
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};
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// GLOBAL STATE VARIABLES
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let latestPrices = null;
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let lastRefreshTime = null;
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@ -168,6 +231,7 @@ const WebSocketManager = {
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reconnectDelay: 5000,
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maxQueueSize: 1000,
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isIntentionallyClosed: false,
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handlers: {},
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connectionState: {
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isConnecting: false,
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@ -185,13 +249,15 @@ const WebSocketManager = {
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},
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setupPageVisibilityHandler() {
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document.addEventListener('visibilitychange', () => {
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this.handlers.visibilityChange = () => {
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if (document.hidden) {
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this.handlePageHidden();
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} else {
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this.handlePageVisible();
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}
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});
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};
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document.addEventListener('visibilitychange', this.handlers.visibilityChange);
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},
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handlePageHidden() {
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@ -285,44 +351,49 @@ const WebSocketManager = {
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},
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setupEventHandlers() {
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if (!this.ws) return;
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if (!this.ws) return;
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this.ws.onopen = () => {
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console.log('🟢 WebSocket connected successfully');
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this.connectionState.isConnecting = false;
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this.reconnectAttempts = 0;
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clearTimeout(this.connectionState.connectTimeout);
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this.connectionState.lastHealthCheck = Date.now();
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window.ws = this.ws;
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updateConnectionStatus('connected');
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};
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this.handlers.open = () => {
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console.log('🟢 WebSocket connected successfully');
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this.connectionState.isConnecting = false;
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this.reconnectAttempts = 0;
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clearTimeout(this.connectionState.connectTimeout);
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this.connectionState.lastHealthCheck = Date.now();
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window.ws = this.ws;
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updateConnectionStatus('connected');
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};
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this.ws.onmessage = (event) => {
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try {
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const message = JSON.parse(event.data);
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this.handleMessage(message);
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} catch (error) {
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console.error('Error processing WebSocket message:', error);
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this.handlers.message = (event) => {
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try {
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const message = JSON.parse(event.data);
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this.handleMessage(message);
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} catch (error) {
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console.error('Error processing WebSocket message:', error);
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updateConnectionStatus('error');
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}
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};
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this.handlers.error = (error) => {
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console.error('WebSocket error:', error);
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updateConnectionStatus('error');
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}
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};
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};
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this.ws.onerror = (error) => {
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console.error('WebSocket error:', error);
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updateConnectionStatus('error');
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};
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this.handlers.close = (event) => {
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console.log('🔴 WebSocket closed:', event.code, event.reason);
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this.connectionState.isConnecting = false;
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window.ws = null;
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updateConnectionStatus('disconnected');
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this.ws.onclose = (event) => {
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console.log('🔴 WebSocket closed:', event.code, event.reason);
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this.connectionState.isConnecting = false;
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window.ws = null;
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updateConnectionStatus('disconnected');
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if (!this.isIntentionallyClosed) {
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this.handleReconnect();
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}
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};
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if (!this.isIntentionallyClosed) {
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this.handleReconnect();
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}
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};
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},
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this.ws.onopen = this.handlers.open;
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this.ws.onmessage = this.handlers.message;
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this.ws.onerror = this.handlers.error;
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this.ws.onclose = this.handlers.close;
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},
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handleMessage(message) {
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if (this.messageQueue.length >= this.maxQueueSize) {
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@ -330,7 +401,10 @@ const WebSocketManager = {
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this.messageQueue.shift();
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}
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clearTimeout(this.debounceTimeout);
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if (this.debounceTimeout) {
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clearTimeout(this.debounceTimeout);
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}
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this.messageQueue.push(message);
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this.debounceTimeout = setTimeout(() => {
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@ -404,6 +478,7 @@ const WebSocketManager = {
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clearTimeout(this.debounceTimeout);
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clearTimeout(this.reconnectTimeout);
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clearTimeout(this.connectionState.connectTimeout);
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this.stopHealthCheck();
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this.messageQueue = [];
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this.processingQueue = false;
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@ -418,22 +493,31 @@ const WebSocketManager = {
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if (this.ws.readyState === WebSocket.OPEN) {
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this.ws.close(1000, 'Cleanup');
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}
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this.ws = null;
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window.ws = null;
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}
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},
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isConnected() {
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return this.ws && this.ws.readyState === WebSocket.OPEN;
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if (this.handlers.visibilityChange) {
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document.removeEventListener('visibilitychange', this.handlers.visibilityChange);
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}
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this.handlers = {};
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},
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disconnect() {
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this.isIntentionallyClosed = true;
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this.cleanup();
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this.stopHealthCheck();
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},
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isConnected() {
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return this.ws && this.ws.readyState === WebSocket.OPEN;
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}
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};
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window.WebSocketManager = WebSocketManager;
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const CacheManager = {
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maxItems: 100,
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maxSize: 5 * 1024 * 1024, // 5MB
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@ -1405,8 +1489,9 @@ function updateClearFiltersButton() {
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}
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function cleanupRow(row) {
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EventManager.removeAll(row);
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const tooltips = row.querySelectorAll('[data-tooltip-target]');
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const count = tooltips.length;
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tooltips.forEach(tooltip => {
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const tooltipId = tooltip.getAttribute('data-tooltip-target');
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const tooltipElement = document.getElementById(tooltipId);
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@ -1414,7 +1499,18 @@ function cleanupRow(row) {
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tooltipElement.remove();
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}
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});
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//console.log(`Cleaned up ${count} tooltips from row`);
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}
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function cleanupTable() {
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EventManager.clearAll();
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if (offersBody) {
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const existingRows = offersBody.querySelectorAll('tr');
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existingRows.forEach(row => {
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cleanupRow(row);
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});
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offersBody.innerHTML = '';
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}
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}
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function handleNoOffersScenario() {
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@ -2436,46 +2532,74 @@ function getCoinSymbol(fullName) {
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}
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// EVENT LISTENERS
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document.querySelectorAll('th[data-sortable="true"]').forEach(header => {
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header.addEventListener('click', () => {
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const columnIndex = parseInt(header.getAttribute('data-column-index'));
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if (currentSortColumn === columnIndex) {
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currentSortDirection = currentSortDirection === 'asc' ? 'desc' : 'asc';
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} else {
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currentSortColumn = columnIndex;
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currentSortDirection = 'desc';
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}
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document.querySelectorAll('.sort-icon').forEach(icon => {
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icon.classList.remove('text-blue-500');
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icon.textContent = '↓';
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function initializeTableEvents() {
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const filterForm = document.getElementById('filterForm');
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if (filterForm) {
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EventManager.add(filterForm, 'submit', (e) => {
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e.preventDefault();
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applyFilters();
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});
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const sortIcon = document.getElementById(`sort-icon-${columnIndex}`);
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if (sortIcon) {
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sortIcon.textContent = currentSortDirection === 'asc' ? '↑' : '↓';
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sortIcon.classList.add('text-blue-500');
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}
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document.querySelectorAll('th[data-sortable="true"]').forEach(th => {
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const thColumnIndex = parseInt(th.getAttribute('data-column-index'));
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if (thColumnIndex === columnIndex) {
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th.classList.add('text-blue-500');
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} else {
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th.classList.remove('text-blue-500');
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}
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EventManager.add(filterForm, 'change', () => {
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applyFilters();
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updateClearFiltersButton();
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});
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}
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localStorage.setItem('tableSortColumn', currentSortColumn);
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localStorage.setItem('tableSortDirection', currentSortDirection);
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const coinToSelect = document.getElementById('coin_to');
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const coinFromSelect = document.getElementById('coin_from');
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applyFilters();
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if (coinToSelect) {
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EventManager.add(coinToSelect, 'change', () => {
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applyFilters();
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updateCoinFilterImages();
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});
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}
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if (coinFromSelect) {
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EventManager.add(coinFromSelect, 'change', () => {
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applyFilters();
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updateCoinFilterImages();
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});
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}
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const clearFiltersBtn = document.getElementById('clearFilters');
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if (clearFiltersBtn) {
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EventManager.add(clearFiltersBtn, 'click', () => {
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clearFilters();
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updateCoinFilterImages();
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});
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}
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document.querySelectorAll('th[data-sortable="true"]').forEach(header => {
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EventManager.add(header, 'click', () => {
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const columnIndex = parseInt(header.getAttribute('data-column-index'));
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handleTableSort(columnIndex, header);
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});
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});
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header.classList.add('cursor-pointer', 'hover:bg-gray-100', 'dark:hover:bg-gray-700');
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});
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const prevPageButton = document.getElementById('prevPage');
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const nextPageButton = document.getElementById('nextPage');
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if (prevPageButton) {
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EventManager.add(prevPageButton, 'click', () => {
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if (currentPage > 1) {
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currentPage--;
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updateOffersTable();
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}
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});
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}
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if (nextPageButton) {
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EventManager.add(nextPageButton, 'click', () => {
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const totalPages = Math.ceil(jsonData.length / itemsPerPage);
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if (currentPage < totalPages) {
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currentPage++;
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updateOffersTable();
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}
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});
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}
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}
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const eventListeners = {
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listeners: [],
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@ -2518,6 +2642,60 @@ const eventListeners = {
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},
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};
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function handleTableSort(columnIndex, header) {
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if (currentSortColumn === columnIndex) {
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currentSortDirection = currentSortDirection === 'asc' ? 'desc' : 'asc';
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} else {
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currentSortColumn = columnIndex;
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currentSortDirection = 'desc';
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}
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document.querySelectorAll('.sort-icon').forEach(icon => {
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icon.classList.remove('text-blue-500');
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icon.textContent = '↓';
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});
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const sortIcon = document.getElementById(`sort-icon-${columnIndex}`);
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if (sortIcon) {
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sortIcon.textContent = currentSortDirection === 'asc' ? '↑' : '↓';
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sortIcon.classList.add('text-blue-500');
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}
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document.querySelectorAll('th[data-sortable="true"]').forEach(th => {
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if (th === header) {
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th.classList.add('text-blue-500');
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} else {
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th.classList.remove('text-blue-500');
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}
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});
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localStorage.setItem('tableSortColumn', currentSortColumn);
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localStorage.setItem('tableSortDirection', currentSortDirection);
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applyFilters();
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}
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function setupRowEventListeners(row, offer) {
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const tooltipTriggers = row.querySelectorAll('[data-tooltip-target]');
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tooltipTriggers.forEach(trigger => {
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EventManager.add(trigger, 'mouseenter', () => {
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const tooltipId = trigger.getAttribute('data-tooltip-target');
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const tooltip = document.getElementById(tooltipId);
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if (tooltip) {
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tooltip.classList.remove('invisible', 'opacity-0');
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}
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});
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EventManager.add(trigger, 'mouseleave', () => {
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const tooltipId = trigger.getAttribute('data-tooltip-target');
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const tooltip = document.getElementById(tooltipId);
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if (tooltip) {
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tooltip.classList.add('invisible', 'opacity-0');
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}
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});
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});
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}
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// TIMER MANAGEMENT
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const timerManager = {
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intervals: [],
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@ -2553,23 +2731,11 @@ const timerManager = {
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// INITIALIZATION AND EVENT BINDING
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document.addEventListener('DOMContentLoaded', () => {
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//console.log('DOM content loaded, initializing...');
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console.log('DOM content loaded, initializing...');
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console.log('View type:', isSentOffers ? 'sent offers' : 'received offers');
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updateClearFiltersButton();
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// Add event listeners for filter controls
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const selectElements = filterForm.querySelectorAll('select');
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selectElements.forEach(select => {
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select.addEventListener('change', () => {
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updateClearFiltersButton();
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});
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});
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filterForm.addEventListener('change', () => {
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applyFilters();
|
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updateClearFiltersButton();
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});
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initializeTableEvents();
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setTimeout(() => {
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console.log('Starting WebSocket initialization...');
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@ -2587,108 +2753,12 @@ document.addEventListener('DOMContentLoaded', () => {
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clearInterval(retryInterval);
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continueInitialization();
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} else if (retryCount >= maxRetries) {
|
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//console.error('Failed to load tableRateModule after multiple attempts');
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clearInterval(retryInterval);
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continueInitialization();
|
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}
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}, 1000);
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}
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||||
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eventListeners.add(filterForm, 'submit', (e) => {
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e.preventDefault();
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applyFilters();
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});
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eventListeners.add(filterForm, 'change', applyFilters);
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const coinToSelect = document.getElementById('coin_to');
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const coinFromSelect = document.getElementById('coin_from');
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|
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eventListeners.add(coinToSelect, 'change', () => {
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applyFilters();
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updateCoinFilterImages();
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});
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eventListeners.add(coinFromSelect, 'change', () => {
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applyFilters();
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updateCoinFilterImages();
|
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});
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|
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eventListeners.add(document.getElementById('clearFilters'), 'click', () => {
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filterForm.reset();
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const statusSelect = document.getElementById('status');
|
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if (statusSelect) {
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statusSelect.value = 'any';
|
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}
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jsonData = [...originalJsonData];
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currentPage = 1;
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applyFilters();
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updateCoinFilterImages();
|
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});
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eventListeners.add(document.getElementById('refreshOffers'), 'click', async () => {
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console.log('Manual refresh initiated');
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const refreshButton = document.getElementById('refreshOffers');
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const refreshIcon = document.getElementById('refreshIcon');
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const refreshText = document.getElementById('refreshText');
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refreshButton.disabled = true;
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refreshIcon.classList.add('animate-spin');
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refreshText.textContent = 'Refreshing...';
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refreshButton.classList.add('opacity-75', 'cursor-wait');
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try {
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const endpoint = isSentOffers ? '/json/sentoffers' : '/json/offers';
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const response = await fetch(endpoint);
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if (!response.ok) {
|
||||
throw new Error(`HTTP error! status: ${response.status}`);
|
||||
}
|
||||
const newData = await response.json();
|
||||
|
||||
const processedNewData = Array.isArray(newData) ? newData : Object.values(newData);
|
||||
console.log('Fetched offers:', processedNewData.length);
|
||||
|
||||
jsonData = formatInitialData(processedNewData);
|
||||
originalJsonData = [...jsonData];
|
||||
|
||||
await updateOffersTable();
|
||||
updateJsonView();
|
||||
updatePaginationInfo();
|
||||
|
||||
console.log(' Manual refresh completed successfully');
|
||||
|
||||
} catch (error) {
|
||||
console.error('Error during manual refresh:', error);
|
||||
ui.displayErrorMessage('Failed to refresh offers. Please try again later.');
|
||||
} finally {
|
||||
refreshButton.disabled = false;
|
||||
refreshIcon.classList.remove('animate-spin');
|
||||
refreshText.textContent = 'Refresh';
|
||||
refreshButton.classList.remove('opacity-75', 'cursor-wait');
|
||||
}
|
||||
});
|
||||
|
||||
eventListeners.add(prevPageButton, 'click', () => {
|
||||
if (currentPage > 1) {
|
||||
currentPage--;
|
||||
const validOffers = getValidOffers();
|
||||
const totalPages = Math.ceil(validOffers.length / itemsPerPage);
|
||||
updateOffersTable();
|
||||
updatePaginationControls(totalPages);
|
||||
}
|
||||
});
|
||||
|
||||
eventListeners.add(nextPageButton, 'click', () => {
|
||||
const validOffers = getValidOffers();
|
||||
const totalPages = Math.ceil(validOffers.length / itemsPerPage);
|
||||
if (currentPage < totalPages) {
|
||||
currentPage++;
|
||||
updateOffersTable();
|
||||
updatePaginationControls(totalPages);
|
||||
}
|
||||
});
|
||||
|
||||
timerManager.addInterval(() => {
|
||||
if (WebSocketManager.isConnected()) {
|
||||
console.log('WebSocket Status: Connected');
|
||||
|
|
@ -2701,7 +2771,6 @@ document.addEventListener('DOMContentLoaded', () => {
|
|||
|
||||
updateCoinFilterImages();
|
||||
fetchOffers().then(() => {
|
||||
//console.log('Initial offers fetched');
|
||||
applyFilters();
|
||||
}).catch(error => {
|
||||
console.error('Error fetching initial offers:', error);
|
||||
|
|
@ -2714,7 +2783,7 @@ document.addEventListener('DOMContentLoaded', () => {
|
|||
|
||||
timerManager.addInterval(updateRowTimes, 900000);
|
||||
|
||||
document.addEventListener('visibilitychange', () => {
|
||||
EventManager.add(document, 'visibilitychange', () => {
|
||||
if (!document.hidden) {
|
||||
console.log('Page became visible, checking WebSocket connection');
|
||||
if (!WebSocketManager.isConnected()) {
|
||||
|
|
@ -2723,7 +2792,34 @@ document.addEventListener('DOMContentLoaded', () => {
|
|||
}
|
||||
});
|
||||
|
||||
EventManager.add(window, 'beforeunload', () => {
|
||||
cleanup();
|
||||
});
|
||||
|
||||
console.log('Initialization completed');
|
||||
});
|
||||
|
||||
function cleanup() {
|
||||
console.log('Cleaning up resources...');
|
||||
|
||||
EventManager.clearAll();
|
||||
|
||||
WebSocketManager.cleanup();
|
||||
|
||||
timerManager.clearAll();
|
||||
|
||||
cleanupTable();
|
||||
|
||||
CacheManager.clear();
|
||||
|
||||
currentPage = 1;
|
||||
jsonData = [];
|
||||
originalJsonData = [];
|
||||
currentSortColumn = 0;
|
||||
currentSortDirection = 'desc';
|
||||
|
||||
console.log('Cleanup completed');
|
||||
}
|
||||
|
||||
window.cleanup = cleanup;
|
||||
console.log('Offers Table Module fully initialized');
|
||||
|
|
|
|||
Loading…
Reference in a new issue