- 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
parse-png 
Parse a PNG
Install
$ npm install parse-png
Usage
const fs = require('fs');
const parsePng = require('parse-png');
(async () => {
const png = await parsePng(fs.readFileSync('unicorn.png'));
console.log(png);
/*
{
width: 200,
height: 133,
depth: 8,
interlace: false,
palette: false,
color: true,
alpha: false,
bpp: 3,
colorType: 2,
data: <Buffer 29 48 4d ...>,
}
*/
png.adjustGamma();
png.pack().pipe(fs.createWriteStream('unicorn-adjusted.png'));
})();
API
parsePng(buffer, options?)
Returns a Promise<Object> with a PNG instance. See the pngjs documentation for more information.
buffer
Type: Buffer
A PNG image buffer.
options
Type: Object
See the pngjs options.