mcp-openweathermap
Version:
MCP server for OpenWeatherMap API integration
48 lines • 1.73 kB
JavaScript
/**
* Parse a location string into coordinates or city name
* Supports formats:
* - "New York" (city name)
* - "New York, US" (city with country code)
* - "40.7128,-74.0060" (coordinates)
* - "lat:40.7128,lon:-74.0060" (explicit coordinates)
*/
export function parseLocation(location) {
// Trim whitespace
const trimmed = location.trim();
// Check for explicit coordinate format
const explicitCoordMatch = trimmed.match(/lat[:\s]*(-?\d+\.?\d*)[,\s]+lon[:\s]*(-?\d+\.?\d*)/i);
if (explicitCoordMatch) {
const latitude = parseFloat(explicitCoordMatch[1]);
const longitude = parseFloat(explicitCoordMatch[2]);
if (isValidCoordinate(latitude, longitude)) {
return { type: 'coordinates', latitude, longitude };
}
}
// Check for comma-separated coordinates
const coordMatch = trimmed.match(/^(-?\d+\.?\d*)[,\s]+(-?\d+\.?\d*)$/);
if (coordMatch) {
const latitude = parseFloat(coordMatch[1]);
const longitude = parseFloat(coordMatch[2]);
if (isValidCoordinate(latitude, longitude)) {
return { type: 'coordinates', latitude, longitude };
}
}
// Otherwise, treat as city name
return { type: 'city', city: trimmed };
}
/**
* Validate if the given values are valid coordinates
*/
function isValidCoordinate(lat, lon) {
return lat >= -90 && lat <= 90 && lon >= -180 && lon <= 180;
}
/**
* Format location for display
*/
export function formatLocation(location) {
if (location.type === 'coordinates') {
return `${location.latitude?.toFixed(4)}, ${location.longitude?.toFixed(4)}`;
}
return location.city || 'Unknown location';
}
//# sourceMappingURL=location-parser.js.map