Change the way gatsby builds pages in src/pages that are named with .html at the end

[cristianCeamatuAssist]

Hello there,

I am working on a Gatsby project for a client that has SEO as a top priority, the project is being deployed to Cloudflare using workers. 90% of the old website pages URL's are ending in .html, ex: enterprise.html, contact-us.html, the client needs to keep these URL's due to SEO purposes so we created the gatsby pages with the same names: enterprise.html.js, contact-us.html.js which Gatsby bundles to public/enterprise.html/index.html and public/contact-us.html/index.html. Everything worked perfectly on our staging environment until we deployed to project to Cloudflare where we getting 404 on all pages ending with .html. I investigated and found out that Cloudflare workers (consider them a .htaccess version of Apache written in Javascript) use a function called mapRequestToAsset that decides if adding / or /index.html to URL's in order to find the resources on the server. The function from the official repo:

/**
 * maps the path of incoming request to the request pathKey to lookup
 * in bucket and in cache
 * e.g.  for a path '/' returns '/index.html' which serves
 * the content of bucket/index.html
 * @param {Request} request incoming request
 */
const mapRequestToAsset = (request: Request) => {
  const parsedUrl = new URL(request.url)
  let pathname = parsedUrl.pathname

  if (pathname.endsWith('/')) {
    // If path looks like a directory append index.html
    // e.g. If path is /about/ -> /about/index.html
    pathname = pathname.concat('index.html')
  } else if (!mime.getType(pathname)) {
    // If path doesn't look like valid content
    //  e.g. /about.me ->  /about.me/index.html
    pathname = pathname.concat('/index.html')
  }

  parsedUrl.pathname = pathname
  return new Request(parsedUrl.toString(), request)
}

Link to the github repo of Cloudflare's - kv-asset-handler

The problem is that mime.getType(pathname) used on enterprise.html or contact-us.html link returns true and the worker does not add / or /index.html and does not find the resource causing the 404's.

My question: is there any config in Gatsby where I can choose to bundle enterprise.html.js to enterprise.html without adding the extra folder name and index.html file? That would help alot.