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use DurableObject from cloudflare:workers #50

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merged 1 commit into from
Jun 14, 2024
Merged

use DurableObject from cloudflare:workers #50

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13 changes: 4 additions & 9 deletions app/durableObjects/ChatRoom.server.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@ import { assertNonNullable } from '~/utils/assertNonNullable'
import getUsername from '~/utils/getUsername.server'
import { handleErrors } from '~/utils/handleErrors.server'

import { DurableObject } from 'cloudflare:workers'

type Session = {
heartbeatTimeout: ReturnType<typeof setTimeout> | null
webSocket?: WebSocket
Expand All @@ -28,7 +30,7 @@ type Session = {
// ChatRoom implements a Durable Object that coordinates an individual chat room. Participants
// connect to the room using WebSockets, and the room broadcasts messages from each participant
// to all others.
export class ChatRoom implements DurableObject {
export class ChatRoom extends DurableObject {
/**
* WebSocket objects for each client, along with some metadata
*/
Expand All @@ -42,15 +44,8 @@ export class ChatRoom implements DurableObject {
lastTimestamp: number = 0
stateSyncInterval: ReturnType<typeof setInterval> | null = null

// We'd like to use Cloudflare's fancy RPC Durable Objects
// but currently we can't figure out a way to mark cloudflare:workers
// as an external when remix compiles it. Until then, let's match the
// newer style member names .ctx and .env
ctx: DurableObjectState
env: Env
constructor(ctx: DurableObjectState, env: Env) {
this.ctx = ctx
this.env = env
super(ctx, env)
// check for previous sessions.
this.ctx.blockConcurrencyWhile(async () => {
this.sessions = (await this.ctx.storage.get<Session[]>('sessions')) ?? []
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4 changes: 3 additions & 1 deletion remix.config.js
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Expand Up @@ -4,7 +4,9 @@ module.exports = {
ignoredRouteFiles: ['**/.*'],
server: './server.ts',
serverConditions: ['worker'],
serverDependenciesToBundle: [/^(?!__STATIC_CONTENT_MANIFEST).*$/],
serverDependenciesToBundle: [
/^(?!__STATIC_CONTENT_MANIFEST|cloudflare:workers).*$/,
],
serverMainFields: ['browser', 'module', 'main'],
serverMinify: true,
serverModuleFormat: 'esm',
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