import { Context } from 'https://edge.netlify.com'

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

  // Look for the query parameter, and return if we don't find it
  if (url.searchParams.get('method') !== 'transform') {
    return
  }
  const response = await context.next()
  const text = await response.text()
  return new Response(text.toUpperCase(), response)
}