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•Created by shay on 7/8/2024 in #workers-help

Unable to bind durable objects on Remix + Vite project

Hello, I'm trying to incorporate a durable object into my project that I have recently moved to Vite (from the classic Remix compiler). However I think this issue may be more relevant to Wrangler due to the nature of the error. I'm on MacOS and using Node 21.6.2. When running wrangler types (which in turn runs my Vite build process):

% npx wrangler types

 ⛅️ wrangler 3.63.1
-------------------

Running custom build: npm run build

> project@3.0.0 build
> remix vite:build

Using vars defined in .dev.vars
service core:user:__WRANGLER_EXTERNAL_DURABLE_OBJECTS_WORKER: Worker "core:user:__WRANGLER_EXTERNAL_DURABLE_OBJECTS_WORKER"'s binding "BasicDurableObject" refers to a service "core:user:worker", but no such service is defined.
MiniflareCoreError [ERR_RUNTIME_FAILURE]: The Workers runtime failed to start. There is likely additional logging output above.
    at #assembleAndUpdateConfig (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:9178:13)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async Mutex.runWith (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:3521:16)
    at async #waitForReady (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:9235:5)
    at async Miniflare2._getProxyClient (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:9359:5)
    at async Miniflare2.getBindings (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:9378:25)
    at async getPlatformProxy (/Users/shay/Documents/GitHub/project/packages/site/node_modules/wrangler/wrangler-dist/cli.js:210460:20)
    at async configureServer (/Users/shay/Documents/GitHub/project/packages/site/node_modules/@remix-run/dev/dist/vite/cloudflare-proxy-plugin.js:55:11)
    at async _createServer (file:///Users/shay/Documents/GitHub/project/node_modules/vite/dist/node/chunks/dep-CzJTQ5q7.js:63370:20)
    at async configResolved (/Users/shay/Documents/GitHub/project/packages/site/node_modules/@remix-run/dev/dist/vite/plugin.js:750:27) {
  code: 'ERR_RUNTIME_FAILURE',
  cause: undefined
}
npm ERR! Lifecycle script `build` failed with error: 
npm ERR! Error: command failed 
npm ERR!   in workspace: project@3.0.0 
npm ERR!   at location: /Users/shay/Documents/GitHub/project/packages/site

✘ [ERROR] Running custom build `npm run build` failed. There are likely more logs from your build command above.

% npx wrangler types

 ⛅️ wrangler 3.63.1
-------------------

Running custom build: npm run build

> project@3.0.0 build
> remix vite:build

Using vars defined in .dev.vars
service core:user:__WRANGLER_EXTERNAL_DURABLE_OBJECTS_WORKER: Worker "core:user:__WRANGLER_EXTERNAL_DURABLE_OBJECTS_WORKER"'s binding "BasicDurableObject" refers to a service "core:user:worker", but no such service is defined.
MiniflareCoreError [ERR_RUNTIME_FAILURE]: The Workers runtime failed to start. There is likely additional logging output above.
    at #assembleAndUpdateConfig (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:9178:13)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async Mutex.runWith (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:3521:16)
    at async #waitForReady (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:9235:5)
    at async Miniflare2._getProxyClient (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:9359:5)
    at async Miniflare2.getBindings (/Users/shay/Documents/GitHub/project/packages/site/node_modules/miniflare/dist/src/index.js:9378:25)
    at async getPlatformProxy (/Users/shay/Documents/GitHub/project/packages/site/node_modules/wrangler/wrangler-dist/cli.js:210460:20)
    at async configureServer (/Users/shay/Documents/GitHub/project/packages/site/node_modules/@remix-run/dev/dist/vite/cloudflare-proxy-plugin.js:55:11)
    at async _createServer (file:///Users/shay/Documents/GitHub/project/node_modules/vite/dist/node/chunks/dep-CzJTQ5q7.js:63370:20)
    at async configResolved (/Users/shay/Documents/GitHub/project/packages/site/node_modules/@remix-run/dev/dist/vite/plugin.js:750:27) {
  code: 'ERR_RUNTIME_FAILURE',
  cause: undefined
}
npm ERR! Lifecycle script `build` failed with error: 
npm ERR! Error: command failed 
npm ERR!   in workspace: project@3.0.0 
npm ERR!   at location: /Users/shay/Documents/GitHub/project/packages/site

✘ [ERROR] Running custom build `npm run build` failed. There are likely more logs from your build command above.

service core:user:__WRANGLER_EXTERNAL_DURABLE_OBJECTS_WORKER: Worker "core:user:__WRANGLER_EXTERNAL_DURABLE_OBJECTS_WORKER"'s binding "BasicDurableObject" refers to a service "core:user:worker", but no such service is defined.

Am I defining my binding incorrectly? I don't really understand what to do with this information and I couldn't find anything online. My object, which is exported from my main file:

export class BasicDurableObject extends DurableObject {
  constructor(state, env) {
    super();
  }

  async fetch(request) {
    return new Response(undefined, { status: 204 });
  }
}

export class BasicDurableObject extends DurableObject {
  constructor(state, env) {
    super();
  }

  async fetch(request) {
    return new Response(undefined, { status: 204 });
  }
}

binding:

[[durable_objects.bindings]]
name = "BASIC_DO"
class_name = "BasicDurableObject"

[[durable_objects.bindings]]
name = "BASIC_DO"
class_name = "BasicDurableObject"

3 replies

CDCloudflare Developers

•Created by shay on 2/8/2024 in #workers-help

Failed module resolutions using `pg` and Drizzle

Hi there, I'm using this Remix template, which works well on its own, but when I attempt to use the pg package to interface with my remote Postgres database, Miniflare is suddenly unable to resolve a number of dependencies after Remix finishes building.

✘ [ERROR] Could not resolve "events"

../../node_modules/pg-cloudflare/dist/index.js:1:29:
  1 │ import { EventEmitter } from 'events';
    ╵                              ~~~~~~~~

The package "events" wasn't found on the file system but is built into node. Are you trying to bundle for node? You can use "platform: 'node'" to do that, which will remove this error.

✘ [ERROR] Could not resolve "events"

../../node_modules/pg-cloudflare/dist/index.js:1:29:
  1 │ import { EventEmitter } from 'events';
    ╵                              ~~~~~~~~

The package "events" wasn't found on the file system but is built into node. Are you trying to bundle for node? You can use "platform: 'node'" to do that, which will remove this error.

Reproduce 1.

npx create-remix@latest directory-name --template https://github.com/remix-run/remix/tree/main/templates/cloudflare-workers

2. cd directory-name 3. npm install pg drizzle-orm 4. npm install --save-dev @types/pg 4. Create an app/store.server.ts:

import { drizzle } from "drizzle-orm/node-postgres";
import { Pool } from "pg";

export const getDb = () => {
  const pool = new Pool({ connectionString: "postgres://..." });
  return drizzle(pool);
};

import { drizzle } from "drizzle-orm/node-postgres";
import { Pool } from "pg";

export const getDb = () => {
  const pool = new Pool({ connectionString: "postgres://..." });
  return drizzle(pool);
};

7. And import it in a route:

// app/routes/_index.tsx
import { getDb } from "~/store.server";

export const loader = async () => {
  const db = getDb();
  return null;
}

...

// app/routes/_index.tsx
import { getDb } from "~/store.server";

export const loader = async () => {
  const db = getDb();
  return null;
}

...

8. npm run dev - see above errors platform: node Naturally, I would like to not build for Node and be forced to use node_compat, but complying with the previous error anyway yields the following:

✘ [ERROR] service core:user:remix-cloudflare-workers: Uncaught Error: Dynamic require of "events" is not supported

at null.<anonymous> (index.js:6:9)
at null.<anonymous> (index.js:33583:25) in node_modules/pg/lib/client.js
at null.<anonymous> (index.js:2240:50)
at null.<anonymous> (index.js:34323:18) in node_modules/pg/lib/index.js
at null.<anonymous> (index.js:2240:50)
at null.<anonymous> (index.js:35442:26)

✘ [ERROR] service core:user:remix-cloudflare-workers: Uncaught Error: Dynamic require of "events" is not supported

at null.<anonymous> (index.js:6:9)
at null.<anonymous> (index.js:33583:25) in node_modules/pg/lib/client.js
at null.<anonymous> (index.js:2240:50)
at null.<anonymous> (index.js:34323:18) in node_modules/pg/lib/index.js
at null.<anonymous> (index.js:2240:50)
at null.<anonymous> (index.js:35442:26)

3 replies

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