Country code redirect (2)

Redirect a response based on the country code in the header of a visitor.

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This creates a repository in your GitHub account and deploys the application to Cloudflare Workers.

export default {
    async fetch(request) {
        /**
         * A map of the URLs to redirect to
         * @param {Object} countryMap
         */
        const countryMap = {
            US: "https://example.com/us",
            EU: "https://example.com/eu",
        };

        // Use the cf object to obtain the country of the request
        // more on the cf object: https://developers.cloudflare.com/workers/runtime-apis/request#incomingrequestcfproperties
        const country = request.cf.country;

        if (country != null && country in countryMap) {
            const url = countryMap[country];
            // Remove this logging statement from your final output.
            console.log(
                `Based on ${country}-based request, your user would go to ${url}.`,
            );
            return Response.redirect(url);
        } else {
            return fetch("https://example.com", request);
        }
    },
};

export default {
    async fetch(request): Promise<Response> {
        /**
         * A map of the URLs to redirect to
         * @param {Object} countryMap
         */
        const countryMap = {
            US: "https://example.com/us",
            EU: "https://example.com/eu",
        };

        // Use the cf object to obtain the country of the request
        // more on the cf object: https://developers.cloudflare.com/workers/runtime-apis/request#incomingrequestcfproperties
        const country = request.cf.country;

        if (country != null && country in countryMap) {
            const url = countryMap[country];
            return Response.redirect(url);
        } else {
            return fetch(request);
        }
    },
} satisfies ExportedHandler;

from workers import WorkerEntrypoint, Response, fetch

class Default(WorkerEntrypoint):
    async def fetch(self, request):
        countries = {
            "US": "https://example.com/us",
            "EU": "https://example.com/eu",
        }

        # Use the cf object to obtain the country of the request
        # more on the cf object: https://developers.cloudflare.com/workers/runtime-apis/request#incomingrequestcfproperties
        country = request.cf.country

        if country and country in countries:
            url = countries[country]
            return Response.redirect(url)

        return fetch("https://example.com", request)

import { Hono } from 'hono';

// Define the RequestWithCf interface to add Cloudflare-specific properties
interface RequestWithCf extends Request {
  cf: {
    country: string;
    // Other CF properties can be added as needed
  };
}

const app = new Hono();

app.get('*', async (c) => {
  /**
   * A map of the URLs to redirect to
   */
  const countryMap: Record<string, string> = {
    US: "https://example.com/us",
    EU: "https://example.com/eu",
  };

  // Cast the raw request to include Cloudflare-specific properties
  const request = c.req.raw as RequestWithCf;

  // Use the cf object to obtain the country of the request
  // more on the cf object: https://developers.cloudflare.com/workers/runtime-apis/request#incomingrequestcfproperties
  const country = request.cf.country;

  if (country != null && country in countryMap) {
    const url = countryMap[country];
    // Redirect using Hono's redirect helper
    return c.redirect(url);
  } else {
    // Default fallback
    return fetch("https://example.com", request);
  }
});

export default app;

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description: Set a Cron Trigger for your Worker. title: Setting Cron Triggers image: https://developers.cloudflare.com/workers/examples/cron-trigger/og.png?v=f65c3e19a9b740ba

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