Cloudflare Worker HELP

Developers Workers
1

I have been scratching my head for almost 4 hours but can’t get it to work.

How to redirect and set the header and set nocache at the same time?

I’ve been using something like this but failed

response = new Response()
response.headers.set(‘header1’, ‘value1’)
response.headers.set(‘Cache-Control’, ‘max-age=0’)
response.redirect(‘https://mobile.example.com’)
return response

2

Response.redirect() returns a new response object, which you are immediately discarding however.

I’d expect the following to work. Probably “work”, as untested :smile:

response = response.redirect('https://mobile.example.com');
response.headers.set('header1', 'value1');
response.headers.set('Cache-Control', 'max-age=0');
return response;
3

still doesnt work. show 500 error :frowning:

4

What does the debugger say?

5

Seems the headers are immutable in that case.

You probably have to construct your own Response object and set the 302 code and the Location header manually.

6

Something like this?

response = new Response() //construct response object
response.headers.set(‘header1’, ‘value1’);
response.headers.set(‘Cache-Control’, ‘max-age=0’);
response.redirect(‘https://mobile.example.com’);

doesnt work

7

No, thats the same code you posted already. You have to omit the redirect call and set the status code and the location header manually yourself.

8

or is there any simple solution for only redirect and set cloudflare to no-cache (no need to set header)?

9

Try

const resp = new Response(null, { status: 302 });
resp.headers.set('header1', 'value1');
resp.headers.set('Cache-Control', 'max-age=0');
resp.headers.set('Location', 'http://example.com');
return resp;
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10

this is not possible either.
myHeaders .set( name , value ); //needs 2 params

redirect header only have 1 param ```
“HTTP/1.1 301 Moved Permanently”

11

T[quote=“sandro, post:9, topic:121864”]
Try
[/quote]

This works. Thank you soooo much!!! :smiley:

12

Worth noting that cache-control doesn’t matter to the browser for redirects; it will only cache a redirect when it has status 301, if it’s 302 it’ll always go to the server before redirecting (won’t use cache).

2 Likes