Edge function - Dynamic pricing

pricing.ts

import { Context } from "netlify:edge"

export default async (request: Request, context: Context) => {
  const url = new URL(request.url)

  context.log(`Updating price ${url}`)

  // Get the page content
  const response = await context.next()
  const page = await response.text()

  // Pricing
  const regex_hobby = /{{PRICE_HOBBY}}/ig
  const regex_freelance = /{{PRICE_FREELANCE}}/ig

  const prices: any = {
    'GB': {
      hobby: '£5',
      freelance: '£20'
    },
    'AU': {
      hobby: '$50',
      freelance: '$300'
    },
    'US':  {
      hobby: '$2',
      freelance: '$5'
    },
  }

  const countryCode = context.geo.country?.code || 'GB'

  // Replace the content
  const updatedPage = page
    .replace(regex_hobby, prices[countryCode].hobby)
    .replace(regex_freelance, prices[countryCode].freelance)
  return new Response(updatedPage, response);
}