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Simple Weather App

Check the weather for any location

\n\n

\n \n

\n\n

Loading weather data...

\n\n

\n \n

Humidity:

Wind:

\n\n \n

3-Day Forecast

\n\n \n\n","label",[150,63],"frontend","pulls","branches",1,"forks","envVars",{"_159":26,"_161":26},"connections",{"_159":26,"_160":26},"count","unfilledCount","emptyCount",{"_32":210,"_13":209,"_61":203,"_42":-5,"_34":35,"_143":211,"_144":82,"_36":212,"_38":26,"_64":197,"_146":-5,"_65":24,"_148":-5,"_173":213,"_17":214},{"_32":200,"_13":201,"_61":202,"_42":203,"_34":35,"_143":204,"_144":82,"_36":205,"_38":153,"_64":171,"_146":206,"_65":24,"_148":-5,"_173":207,"_17":208},{"_32":195,"_13":150,"_61":142,"_42":-5,"_34":35,"_143":39,"_144":82,"_36":196,"_38":26,"_64":197,"_146":-5,"_65":24,"_148":-5,"_173":198,"_17":199},{"_32":186,"_13":187,"_61":188,"_42":142,"_34":35,"_143":189,"_144":82,"_36":190,"_38":26,"_64":191,"_146":192,"_65":24,"_148":-5,"_173":193,"_17":194},{"_32":141,"_13":63,"_61":62,"_42":142,"_34":35,"_143":39,"_144":82,"_36":183,"_38":26,"_64":21,"_146":147,"_65":24,"_148":-5,"_173":184,"_17":185},{"_32":176,"_13":177,"_61":178,"_42":-5,"_34":35,"_143":153,"_144":82,"_36":179,"_38":26,"_64":21,"_146":180,"_65":24,"_148":-5,"_173":181,"_17":182},{"_32":169,"_13":63,"_61":80,"_42":-5,"_34":35,"_143":105,"_144":82,"_36":170,"_38":153,"_64":171,"_146":172,"_65":24,"_148":-5,"_173":174,"_17":175},"d0f08adc-3695-11f0-b275-9e149126039e",["D",1747867753187],"http","\n\n\n \n \n Redirecting to Weather App\n\n\n

Redirecting to the Weather App...

If you are not redirected automatically, click here.

\n\n","children",[],[63],"986661e6-3695-11f0-9bb7-9e149126039e","README.md","9866627c-3695-11f0-9bb7-9e149126039e",["D",1747867658329],"# Simple Weather App\n\nA simple weather application built on Val Town that allows users to check the current weather and forecast for any location.\n\n## Features\n\n- Search for weather by city name\n- Display current weather conditions\n- Show a 3-day forecast\n- Responsive design with Tailwind CSS\n\n## Project Structure\n\n- `backend/index.ts` - HTTP endpoint that fetches weather data from Open-Meteo API\n- `frontend/index.html` - Main HTML page with the user interface\n- `frontend/app.js` - Frontend JavaScript for handling user interactions\n\n## How to Use\n\n1. Enter a city name in the search box\n2. Click \"Get Weather\" or press Enter\n3. View the current weather and forecast\n\n## Technologies Used\n\n- TypeScript\n- Open-Meteo API (no API key required)\n- Tailwind CSS\n- Val Town platform",[],[177],["D",1747867696245],[],[150,63],"c122a4f0-3695-11f0-a5db-9e149126039e","app.js","c122a5b8-3695-11f0-a5db-9e149126039e",5,["D",1747867726662],"script","// Weather app frontend logic\n\ndocument.addEventListener('DOMContentLoaded', () => {\n const weatherForm = document.getElementById('weather-form');\n const loadingElement = document.getElementById('loading');\n const errorElement = document.getElementById('error');\n const errorMessageElement = document.getElementById('error-message');\n const weatherResultsElement = document.getElementById('weather-results');\n\n weatherForm.addEventListener('submit', async (e) => {\n e.preventDefault();\n \n const cityInput = document.getElementById('city');\n const city = cityInput.value.trim();\n \n if (!city) {\n showError('Please enter a city name');\n return;\n }\n \n // Show loading indicator\n loadingElement.classList.remove('hidden');\n errorElement.classList.add('hidden');\n weatherResultsElement.classList.add('hidden');\n \n try {\n // Get the current URL to determine the backend URL\n const currentUrl = window.location.href;\n const backendUrl = currentUrl.includes('val.town') \n ? '/backend/index' // When deployed on Val Town\n : 'http://localhost:3000'; // For local development\n \n const response = await fetch(`${backendUrl}?city=${encodeURIComponent(city)}`);\n const data = await response.json();\n \n if (response.ok) {\n displayWeatherData(data);\n } else {\n showError(data.error || 'Failed to fetch weather data');\n }\n } catch (error) {\n console.error('Error:', error);\n showError('An error occurred while fetching weather data');\n } finally {\n loadingElement.classList.add('hidden');\n }\n });\n \n function showError(message) {\n errorMessageElement.textContent = message;\n errorElement.classList.remove('hidden');\n weatherResultsElement.classList.add('hidden');\n }\n \n function displayWeatherData(data) {\n // Show the results container\n weatherResultsElement.classList.remove('hidden');\n \n // Display location\n document.getElementById('location').textContent = `${data.location.name}, ${data.location.country}`;\n \n // Format and display current date\n const currentDate = new Date();\n document.getElementById('current-date').textContent = currentDate.toLocaleDateString('en-US', {\n weekday: 'long',\n year: 'numeric',\n month: 'long',\n day: 'numeric'\n });\n \n // Display current weather\n const current = data.weather.current;\n document.getElementById('current-temp').textContent = `${Math.round(current.temperature_2m)}°${data.weather.current_units.temperature_2m}`;\n document.getElementById('feels-like').textContent = `Feels like ${Math.round(current.apparent_temperature)}°${data.weather.current_units.apparent_temperature}`;\n document.getElementById('humidity').textContent = `${current.relative_humidity_2m}${data.weather.current_units.relative_humidity_2m}`;\n document.getElementById('wind').textContent = `${current.wind_speed_10m} ${data.weather.current_units.wind_speed_10m}`;\n \n // Set weather icon and description\n const weatherIcon = getWeatherIcon(current.weather_code);\n const weatherDescription = getWeatherDescription(current.weather_code);\n document.getElementById('weather-icon').textContent = weatherIcon;\n document.getElementById('weather-description').textContent = weatherDescription;\n \n // Display forecast\n displayForecast(data.weather);\n }\n \n function displayForecast(weather) {\n const forecastContainer = document.getElementById('forecast');\n forecastContainer.innerHTML = '';\n \n // Get the daily data\n const { daily } = weather;\n \n // Create a card for each forecast day\n for (let i = 0; i < daily.time.length; i++) {\n const date = new Date(daily.time[i]);\n const dayName = date.toLocaleDateString('en-US', { weekday: 'short' });\n const weatherCode = daily.weather_code[i];\n const maxTemp = Math.round(daily.temperature_2m_max[i]);\n const minTemp = Math.round(daily.temperature_2m_min[i]);\n const precipitation = daily.precipitation_sum[i];\n \n const forecastCard = document.createElement('div');\n forecastCard.className = 'bg-white rounded-lg shadow-sm p-3 text-center';\n forecastCard.innerHTML = `\n

${dayName}

${getWeatherIcon(weatherCode)}

${maxTemp}° / ${minTemp}°

${precipitation} ${weather.daily_units.precipitation_sum}

\n `;\n \n forecastContainer.appendChild(forecastCard);\n }\n }\n \n // Helper function to get weather icon based on WMO weather code\n function getWeatherIcon(code) {\n // WMO Weather interpretation codes (WW)\n // https://www.nodc.noaa.gov/archive/arc0021/0002199/1.1/data/0-data/HTML/WMO-CODE/WMO4677.HTM\n if (code === 0) return '☀️'; // Clear sky\n if (code === 1) return '🌤️'; // Mainly clear\n if (code === 2) return '⛅'; // Partly cloudy\n if (code === 3) return '☁️'; // Overcast\n if (code >= 45 && code <= 49) return '🌫️'; // Fog\n if ((code >= 51 && code <= 55) || (code >= 61 && code <= 65)) return '🌧️'; // Rain\n if ((code >= 56 && code <= 57) || (code >= 66 && code <= 67)) return '🌨️'; // Freezing rain\n if (code >= 71 && code <= 77) return '❄️'; // Snow\n if (code >= 80 && code <= 82) return '🌦️'; // Rain showers\n if (code >= 85 && code <= 86) return '🌨️'; // Snow showers\n if (code >= 95 && code <= 99) return '⛈️'; // Thunderstorm\n return '🌡️'; // Default\n }\n \n // Helper function to get weather description based on WMO weather code\n function getWeatherDescription(code) {\n if (code === 0) return 'Clear sky';\n if (code === 1) return 'Mainly clear';\n if (code === 2) return 'Partly cloudy';\n if (code === 3) return 'Overcast';\n if (code >= 45 && code <= 49) return 'Foggy';\n if (code >= 51 && code <= 55) return 'Light drizzle';\n if (code >= 56 && code <= 57) return 'Freezing drizzle';\n if (code >= 61 && code <= 65) return 'Rain';\n if (code >= 66 && code <= 67) return 'Freezing rain';\n if (code >= 71 && code <= 77) return 'Snow';\n if (code >= 80 && code <= 82) return 'Rain showers';\n if (code >= 85 && code <= 86) return 'Snow showers';\n if (code >= 95 && code <= 99) return 'Thunderstorm';\n return 'Unknown';\n }\n});",[],[150,187],"aeffbac4-3695-11f0-b68c-9e149126039e",["D",1747867696245],"directory",[165,166],[150],"a3d21e8a-3695-11f0-b421-9e149126039e","index.ts","a1dc15d6-3695-11f0-8fc6-9e149126039e","941a776e-3a9e-4321-ac9a-9b64af4aef3e",3,["D",1747867677490],"// Weather API endpoint using Open-Meteo\nexport default async function(req: Request): Promise {\n // Enable CORS\n if (req.method === \"OPTIONS\") {\n return new Response(null, {\n headers: {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type\"\n }\n });\n }\n\n // Parse the URL to get query parameters\n const url = new URL(req.url);\n const city = url.searchParams.get(\"city\");\n\n if (!city) {\n return new Response(\n JSON.stringify({ error: \"City parameter is required\" }),\n {\n status: 400,\n headers: {\n \"Content-Type\": \"application/json\",\n \"Access-Control-Allow-Origin\": \"*\"\n }\n }\n );\n }\n\n try {\n // First, geocode the city name to get coordinates\n const geocodeUrl = `https://geocoding-api.open-meteo.com/v1/search?name=${encodeURIComponent(city)}&count=1&language=en&format=json`;\n const geocodeResponse = await fetch(geocodeUrl);\n const geocodeData = await geocodeResponse.json();\n\n if (!geocodeData.results || geocodeData.results.length === 0) {\n return new Response(\n JSON.stringify({ error: \"Location not found\" }),\n {\n status: 404,\n headers: {\n \"Content-Type\": \"application/json\",\n \"Access-Control-Allow-Origin\": \"*\"\n }\n }\n );\n }\n\n const location = geocodeData.results[0];\n const { latitude, longitude, name, country } = location;\n\n // Fetch weather data using the coordinates\n const weatherUrl = `https://api.open-meteo.com/v1/forecast?latitude=${latitude}&longitude=${longitude}¤t=temperature_2m,relative_humidity_2m,apparent_temperature,precipitation,weather_code,wind_speed_10m,wind_direction_10m&daily=weather_code,temperature_2m_max,temperature_2m_min,precipitation_sum&timezone=auto&forecast_days=3`;\n \n const weatherResponse = await fetch(weatherUrl);\n const weatherData = await weatherResponse.json();\n\n // Combine location and weather data\n const result = {\n location: {\n name,\n country,\n latitude,\n longitude\n },\n weather: weatherData\n };\n\n return new Response(\n JSON.stringify(result),\n {\n headers: {\n \"Content-Type\": \"application/json\",\n \"Access-Control-Allow-Origin\": \"*\"\n }\n }\n );\n } catch (error) {\n console.error(\"Error fetching weather data:\", error);\n return new Response(\n JSON.stringify({ error: \"Failed to fetch weather data\" }),\n {\n status: 500,\n headers: {\n \"Content-Type\": \"application/json\",\n \"Access-Control-Allow-Origin\": \"*\"\n }\n }\n );\n 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