better stations list

datagenerators/https.js

@@ -0,0 +1,24 @@
+// async https wrapper
+
+const https = require('https');
+
+module.exports = (url) => new Promise((resolve, reject) => {
+	const headers = {};
+	headers['user-agent'] = '(WeatherStar 4000+ data generator, ws4000@netbymatt.com)';
+
+	https.get(url, {
+		headers,
+	}, res => {
+		if (res.statusCode === 200) {
+			const buffers = [];
+			res.on('data', data => buffers.push(data));
+			res.on('end', () => resolve(Buffer.concat(buffers).toString()));
+		} else {
+			console.log(res);
+			reject(new Error(`Unable to get: ${url}`));
+		}
+	}).on('error', e=> {
+		console.log(e);
+		reject(e);
+	});
+});

datagenerators/stations-states.js

@@ -0,0 +1,53 @@
+module.exports = [
+	'AZ',
+	'AL',
+	'AK',
+	'AR',
+	'CA',
+	'CO',
+	'CT',
+	'DE',
+	'FL',
+	'GA',
+	'HI',
+	'ID',
+	'IL',
+	'IN',
+	'IA',
+	'KS',
+	'KY',
+	'LA',
+	'ME',
+	'MD',
+	'MA',
+	'MI',
+	'MN',
+	'MS',
+	'MO',
+	'MT',
+	'NE',
+	'NV',
+	'NH',
+	'NJ',
+	'NM',
+	'NY',
+	'NC',
+	'ND',
+	'OH',
+	'OK',
+	'OR',
+	'PA',
+	'RI',
+	'SC',
+	'SD',
+	'TN',
+	'TX',
+	'UT',
+	'VT',
+	'VA',
+	'WA',
+	'WV',
+	'WI',
+	'WY',
+	'PR',
+];

datagenerators/stations.js

@@ -0,0 +1,54 @@
+// list all stations in a single file
+// only find stations with 4 letter codes
+
+const https = require('./https');
+const fs = require('fs');
+const path = require('path');
+
+// immediately invoked function so we can access async/await
+const start = async () => {
+	// load the list of states
+	const states = ['AK', 'NC', 'VA', 'TX', 'GA', 'PR'];
+	// const states = require('./stations-states.js');
+
+	let output = {};
+	// loop through states
+	await Promise.all(states.map(async (state) => {
+		try {
+			// get list and parse the JSON
+			const stationsRaw = await https(`https://api.weather.gov/stations?state=${state}`);
+			const stationsAll = JSON.parse(stationsRaw).features;
+			// filter stations for 4 letter identifiers
+			const stations = stationsAll.filter(station => station.properties.stationIdentifier.match(/^[A-Z]{4}$/));
+			// add each resulting station to the output
+			stations.forEach(station => {
+				const id = station.properties.stationIdentifier;
+				if (output[id]) {
+					console.log(`Duplicate station: ${state}-${id}`);
+					return;
+				}
+				output[id] = {
+					id,
+					city: station.properties.name,
+					state: state,
+					lat: station.geometry.coordinates[1],
+					lon: station.geometry.coordinates[0],
+				};
+			});
+			console.log(`Complete: ${state}`);
+		} catch (e) {
+			console.error(`Unable to get state: ${state}`);
+			return false;
+		}
+	}));
+
+	// write the output
+	fs.writeFileSync(path.join(__dirname, 'output/stations.js'), JSON.stringify(output, null, 2));
+
+};
+
+// immediately invoked function allows access to async
+(async () => {
+	await start();
+})();
+