Add null redirect edge functions (#73)

* Add null redirect edge functions

* Apply suggestions from code review

Co-authored-by: Paulo Borges <[email protected]>

---------

Co-authored-by: Paulo Borges <[email protected]>

.gitignore

@@ -4,4 +4,6 @@ node_modules
 .idea
 .vscode
 /docs/
-.bundle
+.bundle
+# Local Netlify folder
+.netlify

netlify.toml

@@ -1,6 +1,10 @@
 [build.environment]
 NODE_VERSION = "18"
 
+[dev]
+  publish = "docs/"
+  framework = "#static"
+
 [[plugins]]
   package = "@netlify/plugin-lighthouse"
 

netlify/edge-functions/redirect-null.js

@@ -0,0 +1,24 @@
+export default async (request, context) => {
+  const url = new URL(request.url);
+  const pathname = url.pathname;
+
+  if (pathname.endsWith('/null') || pathname.endsWith('/null/')) {
+    // Remove the "/null" part from the URL
+    let newPathname = pathname.replace(/\/null\/?$/, '/');
+
+    // Ensure the URL ends with a "/" for local tests
+    if (!newPathname.endsWith('/')) {
+      newPathname += '/';
+    }
+
+    // Construct the new URL without "/null"
+    const newUrl = `${url.origin}${newPathname}${url.search}`;
+
+    return Response.redirect(newUrl, 301);
+  }
+
+  return context.next();
+};
+
+// This configures the Edge Function to trigger on paths ending with "/null"
+export const config = { path: "*/null" };