5.21.8

Gracefully shutdown on both SIGINT + SIGTERM

README.md

@@ -31,7 +31,7 @@ To run via Node locally:
 git clone https://github.com/netbymatt/ws4kp.git
 cd ws4kp
 npm i
-node index.js
+node index.mjs
 ```
 
 To run via Docker: 

index.mjs

@@ -99,8 +99,11 @@ const server = app.listen(port, () => {
 });
 
 // graceful shutdown
-process.on('SIGINT', () => {
+const gracefulShutdown = () => {
 	server.close(() => {
 		console.log('Server closed');
 	});
-});
+};
+
+process.on('SIGINT', gracefulShutdown);
+process.on('SIGTERM', gracefulShutdown);

package-lock.json

@@ -1,12 +1,12 @@
 {
 	"name": "ws4kp",
-	"version": "5.21.2",
+	"version": "5.21.8",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "ws4kp",
-			"version": "5.21.2",
+			"version": "5.21.8",
 			"license": "MIT",
 			"dependencies": {
 				"dotenv": "^16.5.0",

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "ws4kp",
-	"version": "5.21.2",
+	"version": "5.21.8",
 	"description": "Welcome to the WeatherStar 4000+ project page!",
 	"main": "index.mjs",
 	"type": "module",

server/scripts/index.mjs

@@ -38,6 +38,7 @@ const init = () => {
 	document.querySelector('#NavigateNext').addEventListener('click', btnNavigateNextClick);
 	document.querySelector('#NavigatePrevious').addEventListener('click', btnNavigatePreviousClick);
 	document.querySelector('#NavigatePlay').addEventListener('click', btnNavigatePlayClick);
+	document.querySelector('#ToggleScanlines').addEventListener('click', btnNavigateToggleScanlines);
 	document.querySelector(TOGGLE_FULL_SCREEN_SELECTOR).addEventListener('click', btnFullScreenClick);
 	const btnGetGps = document.querySelector(BNT_GET_GPS_SELECTOR);
 	btnGetGps.addEventListener('click', btnGetGpsClick);
@@ -294,6 +295,8 @@ const updateFullScreenNavigate = () => {
 };
 
 const documentKeydown = (e) => {
+	// don't trigger on ctrl/alt/shift modified key
+	if (e.altKey || e.ctrlKey || e.shiftKey) return false;
 	const { key } = e;
 
 	if (document.fullscreenElement || document.activeElement === document.body) {
@@ -344,6 +347,11 @@ const btnNavigatePlayClick = () => {
 	return false;
 };
 
+const btnNavigateToggleScanlines = () => {
+	settings.scanLines.value = !settings.scanLines.value;
+	return false;
+};
+
 // post a message to the iframe
 const postMessage = (type, myMessage = {}) => {
 	navMessage({ type, message: myMessage });

server/scripts/modules/currentweather.mjs

@@ -50,6 +50,8 @@ class CurrentWeather extends WeatherDisplay {
 					stillWaiting: () => this.stillWaiting(),
 				});
 
+				if (observations.features.length === 0) throw new Error(`No features returned for station: ${station.properties.stationIdentifier}, trying next station`);
+
 				// test data quality
 				if (observations.features[0].properties.temperature.value === null
 					|| observations.features[0].properties.windSpeed.value === null
@@ -59,10 +61,11 @@ class CurrentWeather extends WeatherDisplay {
 					|| observations.features[0].properties.dewpoint.value === null
 					|| observations.features[0].properties.barometricPressure.value === null) {
 					observations = undefined;
-					throw new Error(`Unable to get observations: ${station.properties.stationIdentifier}, trying next station`);
+					throw new Error(`Incomplete data set for: ${station.properties.stationIdentifier}, trying next station`);
 				}
 			} catch (error) {
 				console.error(error);
+				observations = undefined;
 			}
 		}
 		// test for data received

server/scripts/modules/extendedforecast.mjs

@@ -126,6 +126,7 @@ const regexList = [
 	[/chance /gi, ''],
 	[/very /gi, ''],
 	[/patchy /gi, ''],
+	[/Areas Of /gi, ''],
 	[/areas /gi, ''],
 	[/dense /gi, ''],
 	[/Thunderstorm/g, 'T\'Storm'],

server/scripts/modules/radar.mjs

@@ -39,9 +39,6 @@ class Radar extends WeatherDisplay {
 			{ time: 1, si: 4 },
 			{ time: 12, si: 5 },
 		];
-
-		// get some web workers started
-		this.workers = (new Array(this.dopplerRadarImageMax)).fill(null).map(() => radarWorker());
 	}
 
 	async getData(weatherParameters, refresh) {
@@ -53,6 +50,12 @@ class Radar extends WeatherDisplay {
 			return;
 		}
 
+		// get the workers started
+		if (!this.workers) {
+			// get some web workers started
+			this.workers = (new Array(this.dopplerRadarImageMax)).fill(null).map(() => radarWorker());
+		}
+
 		const baseUrl = `https://${RADAR_HOST}/archive/data/`;
 		const baseUrlEnd = '/GIS/uscomp/?F=0&P=n0r*.png';
 		const baseUrls = [];

server/scripts/modules/regionalforecast.mjs

@@ -7,7 +7,7 @@ import { json } from './utils/fetch.mjs';
 import { temperature as temperatureUnit } from './utils/units.mjs';
 import { getSmallIcon } from './icons.mjs';
 import { preloadImg } from './utils/image.mjs';
-import { DateTime } from '../vendor/auto/luxon.mjs';
+import { DateTime, Interval } from '../vendor/auto/luxon.mjs';
 import WeatherDisplay from './weatherdisplay.mjs';
 import { registerDisplay } from './navigation.mjs';
 import * as utils from './regionalforecast-utils.mjs';
@@ -77,6 +77,9 @@ class RegionalForecast extends WeatherDisplay {
 		// get a unit converter
 		const temperatureConverter = temperatureUnit();
 
+		// get now as DateTime for calculations below
+		const now = DateTime.now();
+
 		// get regional forecasts and observations (the two are intertwined due to the design of api.weather.gov)
 		const regionalDataAll = await Promise.all(regionalCities.map(async (city) => {
 			try {
@@ -110,14 +113,24 @@ class RegionalForecast extends WeatherDisplay {
 				preloadImg(getSmallIcon(regionalObservation.icon, !regionalObservation.daytime));
 
 				// return a pared-down forecast
-				// 0th object is the current conditions
-				// first object is the next period i.e. if it's daytime then it's the "tonight" forecast
-				// second object is the following period
-				// always skip the first forecast index because it's what's going on right now
+				// 0th object should contain the current conditions, but when WFOs go offline or otherwise don't post
+				// an updated forecast it's possible that the 0th object is in the past.
+				// so we go on a search for the current time in the start/end times provided in the forecast periods
+				const { periods } = forecast.properties;
+				const currentPeriod = periods.reduce((prev, period, index) => {
+					const start = DateTime.fromISO(period.startTime);
+					const end = DateTime.fromISO(period.endTime);
+					const interval = Interval.fromDateTimes(start, end);
+					if (interval.contains(now)) {
+						return index;
+					}
+					return prev;
+				}, 0);
+				// group together the current observation and next two periods
 				return [
 					regionalObservation,
-					utils.buildForecast(forecast.properties.periods[1], city, cityXY),
-					utils.buildForecast(forecast.properties.periods[2], city, cityXY),
+					utils.buildForecast(forecast.properties.periods[currentPeriod + 1], city, cityXY),
+					utils.buildForecast(forecast.properties.periods[currentPeriod + 2], city, cityXY),
 				];
 			} catch (error) {
 				console.log(`No regional forecast data for '${city.name ?? city.city}'`);

server/scripts/modules/settings.mjs

@@ -33,6 +33,12 @@ const init = () => {
 			[1.5, 'Very Slow'],
 		],
 	});
+	settings.scanLines = new Setting('scanLines', {
+		name: 'Scan Lines',
+		defaultValue: false,
+		changeAction: scanLineChange,
+		sticky: true,
+	});
 	settings.units = new Setting('units', {
 		name: 'Units',
 		type: 'select',
@@ -85,6 +91,18 @@ const kioskChange = (value) => {
 	}
 };
 
+const scanLineChange = (value) => {
+	const container = document.getElementById('container');
+	const navIcons = document.getElementById('ToggleScanlines');
+	if (value) {
+		container.classList.add('scanlines');
+		navIcons.classList.add('on');
+	} else {
+		container.classList.remove('scanlines');
+		navIcons.classList.remove('on');
+	}
+};
+
 const unitChange = () => {
 	// reload the data at the top level to refresh units
 	// after the initial load

server/scripts/modules/utils/fetch.mjs

@@ -5,6 +5,11 @@ const text = (url, params) => fetchAsync(url, 'text', params);
 const blob = (url, params) => fetchAsync(url, 'blob', params);
 
 const fetchAsync = async (_url, responseType, _params = {}) => {
+	// add user agent header to json request at api.weather.gov
+	const headers = {};
+	if (_url.toString().match(/api\.weather\.gov/)) {
+		headers['user-agent'] = 'Weatherstar 4000+; weatherstar@netbymatt.com';
+	}
 	// combine default and provided parameters
 	const params = {
 		method: 'GET',
@@ -12,6 +17,7 @@ const fetchAsync = async (_url, responseType, _params = {}) => {
 		type: 'GET',
 		retryCount: 0,
 		..._params,
+		headers,
 	};
 	// store original number of retries
 	params.originalRetries = params.retryCount;

server/scripts/modules/utils/setting.mjs

@@ -189,7 +189,7 @@ class Setting {
 				break;
 			case 'checkbox':
 			default:
-				this.element.checked = newValue;
+				this.element.querySelector('input').checked = newValue;
 		}
 		this.storeToLocalStorage(this.myValue);
 

server/styles/scss/_page.scss

@@ -23,6 +23,8 @@ body {
 
 	&.kiosk {
 		margin: 0px;
+		overflow: hidden;
+		width: 100vw;
 	}
 }
 
@@ -141,6 +143,10 @@ body {
 	}
 }
 
+.kiosk #divTwc {
+	max-width: unset;
+}
+
 #divTwcLeft {
 	display: none;
 	text-align: right;
@@ -322,10 +328,6 @@ body {
 	transform-origin: unset;
 }
 
-.kiosk #divTwc #container {
-	transform-origin: 0 0;
-}
-
 #loading {
 	width: 640px;
 	height: 480px;
@@ -426,10 +428,6 @@ body {
 	}
 }
 
-.kiosk #divTwc {
-	justify-content: unset;
-}
-
 #divTwc:fullscreen #display,
 .kiosk #divTwc #display {
 	position: relative;
@@ -458,6 +456,30 @@ body {
 	cursor: pointer;
 }
 
+#ToggleScanlines {
+	display: inline-block;
+
+	.on {
+		display: none;
+	}
+
+	.off {
+		display: inline-block;
+	}
+
+
+	&.on {
+		.on {
+			display: inline-block;
+		}
+
+		.off {
+			display: none;
+		}
+
+	}
+}
+
 .visible {
 	visibility: visible;
 	opacity: 1;
@@ -750,6 +772,7 @@ body {
 
 	#divQuery,
 	>.info,
+	>.related-links,
 	>.heading,
 	#enabledDisplays,
 	#settings,

server/styles/scss/main.scss

@@ -13,4 +13,5 @@
 @use 'almanac';
 @use 'hazards';
 @use 'media';
-@use 'spc-outlook';
+@use 'spc-outlook';
+@use 'shared/scanlines';

server/styles/scss/shared/_scanlines.scss

@@ -0,0 +1,106 @@
+/* REGULAR SCANLINES SETTINGS */
+
+// width of 1 scanline (min.: 1px)
+$scan-width: 1px;
+
+// emulates a damage-your-eyes bad pre-2000 CRT screen ♥ (true, false)
+$scan-crt: false;
+
+// frames-per-second (should be > 1), only applies if $scan-crt: true;
+$scan-fps: 20;
+
+// scanline-color (rgba)
+$scan-color: rgba(#000, .3);
+
+// set z-index on 8, like in ♥ 8-bits ♥, or…
+// set z-index on 2147483648 or more to enable scanlines on Chrome fullscreen (doesn't work in Firefox or IE);
+$scan-z-index: 2147483648;
+
+/* MOVING SCANLINE SETTINGS */
+
+// moving scanline (true, false)
+$scan-moving-line: true;
+
+// opacity of the moving scanline
+$scan-opacity: .75;
+
+/* MIXINS */
+
+// apply CRT animation: @include scan-crt($scan-crt);
+@mixin scan-crt($scan-crt) {
+	@if $scan-crt==true {
+		animation: scanlines 1s steps($scan-fps) infinite;
+	}
+
+	@else {
+		animation: none;
+	}
+}
+
+// apply CRT animation: @include scan-crt($scan-crt);
+@mixin scan-moving($scan-moving-line) {
+	@if $scan-moving-line==true {
+		animation: scanline 6s linear infinite;
+	}
+
+	@else {
+		animation: none;
+	}
+}
+
+/* CSS .scanlines CLASS */
+
+.scanlines {
+	position: relative;
+	overflow: hidden; // only to animate the unique scanline
+
+	&:before,
+	&:after {
+		display: block;
+		pointer-events: none;
+		content: '';
+		position: absolute;
+	}
+
+	// unique scanline travelling on the screen
+	&:before {
+		// position: absolute;
+		// bottom: 100%;
+		width: 100%;
+		height: $scan-width * 1;
+		z-index: $scan-z-index + 1;
+		background: $scan-color;
+		opacity: $scan-opacity;
+		// animation: scanline 6s linear infinite;
+		@include scan-moving($scan-moving-line);
+	}
+
+	// the scanlines, so!
+	&:after {
+		top: 0;
+		right: 0;
+		bottom: 0;
+		left: 0;
+		z-index: $scan-z-index;
+		background: linear-gradient(to bottom,
+				transparent 50%,
+				$scan-color 51%);
+		background-size: 100% $scan-width*2;
+		@include scan-crt($scan-crt);
+	}
+}
+
+/* ANIMATE UNIQUE SCANLINE */
+@keyframes scanline {
+	0% {
+		transform: translate3d(0, 200000%, 0);
+		// bottom: 0%; // to have a continuous scanline move, use this line (here in 0% step) instead of transform and write, in &:before, { position: absolute; bottom: 100%; }
+	}
+}
+
+@keyframes scanlines {
+	0% {
+		background-position: 0 50%;
+		// bottom: 0%; // to have a continuous scanline move, use this line (here in 0% step) instead of transform and write, in &:before, { position: absolute; bottom: 100%; }
+	}
+}

views/index.ejs

@@ -145,6 +145,10 @@
 					<img class="navButton off" src="images/nav/ic_volume_off_white_24dp_2x.png" title="Unmute" />
 					<img class="navButton on" src="images/nav/ic_volume_on_white_24dp_2x.png" title="Mute" />
 				</div>
+				<div id="ToggleScanlines">
+					<img class="navButton off" src="images/nav/ic_scanlines_off_white_24dp_2x.png" title="Scan lines on" />
+					<img class="navButton on" src="images/nav/ic_scanlines_on_white_24dp_2x.png" title="Scan lines off" />
+				</div>
         <img id="ToggleFullScreen" class="navButton" src="images/nav/ic_fullscreen_white_24dp_2x.png" title="Enter Fullscreen" />
       </div>
     </div>