worldmonitor/api/earthquakes.js

import { getCorsHeaders, isDisallowedOrigin } from './_cors.js';

export const config = { runtime: 'edge' };

export default async function handler(request) {
  const cors = getCorsHeaders(request);
  if (isDisallowedOrigin(request)) {
    return new Response(JSON.stringify({ error: 'Origin not allowed' }), { status: 403, headers: cors });
  }
  try {
    const response = await fetch(
      'https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/4.5_day.geojson',
      {
        headers: {
          'Accept': 'application/json',
        },
      }
    );

    const data = await response.text();
    return new Response(data, {
      status: response.status,
      headers: {
        'Content-Type': 'application/json',
        ...cors,
        'Cache-Control': 'public, max-age=300, s-maxage=300, stale-while-revalidate=60',
      },
    });
  } catch (error) {
    return new Response(JSON.stringify({ error: 'Failed to fetch data' }), {
      status: 500,
      headers: { 'Content-Type': 'application/json', ...cors },
    });
  }
}