e30ae8ed09
- App.tsx: full navigation (Auth stack + Main tabs with 5 screens) - Auth: LoginScreen, RegisterScreen, ForgotPasswordScreen - HomeScreen: dashboard with IoT metrics, weather widget, alerts, quick actions, sensors - MapScreen: interactive map with layer toggles (6 layers) - MarketplaceScreen: categories (6), products (5), search - ChatScreen: AI chat with quick prompts (4), bot responses - ProfileScreen: user info, stats, menu (9 items), logout - AlertsScreen: alert list with severity, acknowledge - SensorsScreen: sensor list with type filters (6 types), search - ZonesScreen: zone cards with stats - SettingsScreen: language picker (FR/EN/ES/DE), privacy, about - Stores: iotStore (sensors, zones, alerts), notificationStore, uiStore + i18n - Hooks: useSensors, useAlerts, useNotifications, useLocation - Components: Card, Button, LoadingSpinner, ErrorBoundary, Header - Services: iotService, notificationService (with axios API client) - Utils: formatters (temp, AQI, noise, dates), validators (email, password, IBAN) - Theme: colors.ts with full design system (Blue Ocean palette) - Ditto: fixed MongoDB connection, new JWT secrets, official gateway image
89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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'use strict';
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const infoLog = require('../Utilities/infoLog');
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type Handler = {
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onIterate?: () => void,
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onStall: (params: {lastInterval: number, busyTime: number, ...}) => ?string,
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...
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};
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/**
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* A utility for tracking stalls in the JS event loop that prevent timers and
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* other events from being processed in a timely manner.
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*
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* The "stall" time is defined as the amount of time in access of the acceptable
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* threshold, which is typically around 100-200ms. So if the threshold is set to
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* 100 and a timer fires 150 ms later than it was scheduled because the event
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* loop was tied up, that would be considered a 50ms stall.
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*
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* By default, logs stall events to the console when installed. Can also be
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* queried with `getStats`.
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*/
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const JSEventLoopWatchdog = {
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getStats: function (): Object {
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return {stallCount, totalStallTime, longestStall, acceptableBusyTime};
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},
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reset: function () {
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infoLog('JSEventLoopWatchdog: reset');
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totalStallTime = 0;
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stallCount = 0;
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longestStall = 0;
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lastInterval = global.performance.now();
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},
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addHandler: function (handler: Handler) {
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handlers.push(handler);
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},
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install: function ({thresholdMS}: {thresholdMS: number, ...}) {
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acceptableBusyTime = thresholdMS;
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if (installed) {
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return;
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}
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installed = true;
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lastInterval = global.performance.now();
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function iteration() {
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const now = global.performance.now();
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const busyTime = now - lastInterval;
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if (busyTime >= thresholdMS) {
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const stallTime = busyTime - thresholdMS;
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stallCount++;
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totalStallTime += stallTime;
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longestStall = Math.max(longestStall, stallTime);
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let msg =
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`JSEventLoopWatchdog: JS thread busy for ${busyTime}ms. ` +
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`${totalStallTime}ms in ${stallCount} stalls so far. `;
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handlers.forEach(handler => {
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msg += handler.onStall({lastInterval, busyTime}) || '';
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});
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infoLog(msg);
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}
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handlers.forEach(handler => {
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handler.onIterate && handler.onIterate();
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});
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lastInterval = now;
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setTimeout(iteration, thresholdMS / 5);
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}
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iteration();
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},
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};
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let acceptableBusyTime = 0;
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let installed = false;
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let totalStallTime = 0;
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let stallCount = 0;
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let longestStall = 0;
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let lastInterval = 0;
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const handlers: Array<Handler> = [];
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module.exports = JSEventLoopWatchdog;
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