Hi all 👋🏻. I'm having trouble getting a hello world with functions working locally or when deploye

Hi all

. I'm having trouble getting a hello world with functions working locally or when deployed. Hoping I can get some guidance here.

I used a Solid JS starter project from here (https://developers.cloudflare.com/pages/framework-guides/deploy-a-solid-site/) and then added a

/functions/hello.js

/functions/hello.js

/functions/hello.js

/functions/hello.js file in the root of the project that looks like this:

export function onRequest(context) {
  return new Response("Hello, world!");
}

export function onRequest(context) {
  return new Response("Hello, world!");
}

export function onRequest(context) {
  return new Response("Hello, world!");
}

export function onRequest(context) {
  return new Response("Hello, world!");
}

I expected that if I ran

npx wrangler pages dev

npx wrangler pages dev

npx wrangler pages dev

npx wrangler pages dev and then went to

http://localhost:8788/hello

http://localhost:8788/hello

http://localhost:8788/hello

http://localhost:8788/hello I would just see "Hello, world!" but instead of that I see the 404 page of my frontend app.

I've also deployed to prod and see the same thing at "/hello". In the CF UI in the functions tab I see this in the routing config:

{
  "baseURL": "/",
  "routes": [
    {
      "method": "",
      "module": [
        "hello.js:onRequest"
      ],
      "mountPath": "/",
      "routePath": "/hello"
    }
  ]
}

{
  "baseURL": "/",
  "routes": [
    {
      "method": "",
      "module": [
        "hello.js:onRequest"
      ],
      "mountPath": "/",
      "routePath": "/hello"
    }
  ]
}

{
  "baseURL": "/",
  "routes": [
    {
      "method": "",
      "module": [
        "hello.js:onRequest"
      ],
      "mountPath": "/",
      "routePath": "/hello"
    }
  ]
}

{
  "baseURL": "/",
  "routes": [
    {
      "method": "",
      "module": [
        "hello.js:onRequest"
      ],
      "mountPath": "/",
      "routePath": "/hello"
    }
  ]
}

and locally

wrangler pages functions build

wrangler pages functions build

wrangler pages functions build

wrangler pages functions build works fine.

Any ideas? I'm thinking its some small basic bit of config I'm missing or maybe a misunderstanding of what a Hello World looks like?

MMike Nomitch Hi all 👋🏻. I'm having trouble getting a hello world with functions working loc...

Hello, I’m Allie!•5/3/24, 4:43 PM

Looking at the linked tutorial, it appears that Solid uses SSR. If that is the case, then you need to create that route through whatever mechanism solid provides, rather than the /functions/functions folder

Hello, I’m Allie!•5/3/24, 4:44 PM

I believe it is this: https://start.solidjs.com/core-concepts/api-routes

SolidStart Release Candidate Documentation

Early release documentation and resources for SolidStart Release Candidate

IEatBeans•5/6/24, 3:10 AM

I am using the mailchannels integration (via their rest api), and randomly (about 1 out of 5 emails) fails with this error "{"errors":["Failed to send email: EOF"]}". I cant find any info on this and don't know whats wrong. I can just send the exact same email html to the exact same destinations and it will fail sometimes. Thoughts?

master_Em•5/7/24, 4:06 PM

Hey everyone. I just created a function for my Pages project (Nuxt 3 website). I followed the tutorial in creating a simple function that returns a hello world response. But every time I hit the endpoint, I get a 404. Help, please.

Paolo•5/7/24, 7:27 PM

Heya! How isolated are separate requests? If I create a singleton in node.js it will create a single instance accessible by all requests, but I'm not sure about functions

PPaolo Heya! How isolated are separate requests? If I create a singleton in node.js it ...

Hello, I’m Allie!•5/7/24, 7:34 PM

There are no guarantees about isolation between requests. Generally, the isolate is only reused by a single browser/client, so putting stuff in the global scope won't save you much

HHello, I’m Allie!There are no guarantees about isolation between requests. Generally, the isolate...

Paolo•5/7/24, 7:36 PM

Thank you. The issue is I'm trying to set up a session object in the Middleware, but so far attempts to do that and be able to recover it in the functions has proved... Not reliable?

Paolo•5/7/24, 7:38 PM

I tried adding fields to context but they do not seem to carry up the Middleware > Middleware > function tree

PPaolo I tried adding fields to context but they do not seem to carry up the Middleware...

Hello, I’m Allie!•5/7/24, 7:38 PM

Do you have a repro?

HHello, I’m Allie!Do you have a repro?

Paolo•5/7/24, 7:39 PM

See that's confusing because I thought I had it working and this morning it did not

HHello, I’m Allie!Do you have a repro?

Paolo•5/7/24, 7:40 PM

I'll get back on the laptop and post on worker-help? Should I tag you?

PPaolo I'll get back on the laptop and post on worker-help? Should I tag you?

Hello, I’m Allie!•5/7/24, 7:40 PM

Sure

HHello, I’m Allie!Sure

Paolo•5/7/24, 8:24 PM

thank you, it's up

Sufi dilmir qadri•5/9/24, 6:49 PM

howcan i block access to worker if its not access from my pages like anybody canquery it and get renderd html

SSufi dilmir qadri howcan i block access to worker if its not access from my pages like anybody can...

IEatBeans•5/9/24, 8:05 PM

You can use cloudflare access with a service token maybe

IIEatBeans I am using the mailchannels integration (via their rest api), and randomly (abou...

Tnix•5/10/24, 12:20 PM

Same thing happening to me and someone else I know

TTnix Same thing happening to me and someone else I know

IEatBeans•5/10/24, 3:45 PM

Good to know it’s not just me. Sounds like it’s time to switch to a different service

radi8#6722•5/10/24, 8:17 PM

I am said person and I'm personally going to just resend them until it works

hy.yu•5/17/24, 4:39 PM

Hi, is there any new progress in setting node_compat = true for functions?

Ian•5/21/24, 12:16 AM

I have a Pages project that I needed to upgrade to use Queues, but it turns out I can't add consumers in Pages? This is pretty disappointing. I figured I'd be able to make a new function that could be a consumer so I could keep all my code in one project.

Hhy.yu Hi, is there any new progress in setting node_compat = true for functions?

Ian•5/21/24, 12:19 AM

I've done it with

compatibility_flags = [ "nodejs_compat" ]
compatibility_date = "2024-04-04"

compatibility_flags = [ "nodejs_compat" ]
compatibility_date = "2024-04-04"

IIan I have a Pages project that I needed to upgrade to use Queues, but it turns out ...

Hello, I’m Allie!•5/21/24, 8:13 AM

Functions can only handle fetch events atm

HHello, I’m Allie!Functions can only handle fetch events atm

Ian•5/21/24, 8:18 AM

Too bad, I hope workers and functions get unified. I guess I’ll need to set up Lerna or Turborepo for now.

IIan Too bad, I hope workers and functions get unified. I guess I’ll need to set up L...

IEatBeans•5/21/24, 4:05 PM

Yea I really hope they do too. It’s annoying to have to have a separate worker just for random things like cron

IEatBeans•5/21/24, 6:48 PM

What would be the best way to run a task a few minutes after a function executes? I was thinking either a cron task (in workers) that runs every 5 minutes and checks for a list of scheduled tasks in the database, or a durable object with alarms?

IIEatBeans What would be the best way to run a task a few minutes after a function executes...

Hello, I’m Allie!•5/21/24, 7:41 PM

DO Alarm would be more scalable

Hello, I’m Allie!•5/21/24, 7:41 PM

And IMO easier to set up too

tmcltr•5/23/24, 4:45 AM

What's the best way to send mail from a Pages instance?

Ttmcltr What's the best way to send mail from a Pages instance?

Ian•5/23/24, 5:19 AM

Create a function which you can send a POST to that calls an email API like SendGrid to send the email for you. You need the function so that you can use secrets/api keys (passed in through environment variables) that should not be revealed in the frontend.

Ian•5/23/24, 5:22 AM

If this function is for something like a contact form that is exposed to the public (you don't have to log in to use it), then take extra precautions to prevent abuse. Add CSRF prevention and rate limiting.

Ian•5/23/24, 5:24 AM

Even though it's a single endpoint, you might want to consider using a microframework like Hono since it has built in middleware you can apply that does CORS, CSRF, and there's a 3rd party rate limiter middleware as well.

Martin 0x522E•5/23/24, 8:49 AM

Hey folks, how can it be that one of my functions (it's proxying a websocket request) sometimes produces exceptions which the log stream doesn't show? Like I would have expected the logs or the exceptions array to contain something...