experiment: run backend without meteor

.gitignore

@@ -13,6 +13,7 @@ coverage
 out/
 build
 dist
+dist-server
 # misc
 .DS_Store
 *.pem

.node_version.txt

@@ -0,0 +1 @@
+22.22.3

apps/meteor/.gitignore

@@ -80,6 +80,7 @@ tests/end-to-end/temporary_staged_test
 /tests/e2e/.playwright
 coverage
 .nyc_output
+.nyc_cache
 /data
 tests/e2e/test-failures/
 out.txt
@@ -88,3 +89,5 @@ dist
 matrix-federation-config/*
 .eslintcache
 tsconfig.typecheck.tsbuildinfo
+.vite-inspect
+.build

apps/meteor/app/utils/client/getURL.ts

@@ -17,9 +17,14 @@ export const getURL = function (
 	const cdnPrefix = settings.peek('CDN_PREFIX') || '';
 	const siteUrl = settings.peek('Site_Url') || '';
 
+	const isLocalhost =
+		typeof window !== 'undefined' && (window.location.hostname === 'localhost' || window.location.hostname === '127.0.0.1');
+
+	const resolvedSiteUrl = params.full && isLocalhost ? window.location.origin : siteUrl;
+
 	if (cacheKey) {
 		path += `${path.includes('?') ? '&' : '?'}cacheKey=${Info.version}`;
 	}
 
-	return getURLWithoutSettings(path, params, cdnPrefix, siteUrl, cloudDeepLinkUrl);
+	return getURLWithoutSettings(path, params, cdnPrefix, resolvedSiteUrl, cloudDeepLinkUrl);
 };

apps/meteor/client/lib/cachedStores/CachedStore.ts

@@ -370,7 +370,11 @@ export abstract class CachedStore<T extends IRocketChatRecord, U = T> implements
 
 export class PublicCachedStore<T extends IRocketChatRecord, U = T> extends CachedStore<T, U> {
 	protected override getToken() {
-		return undefined;
+		// The vite dev client is served from a fixed localhost origin regardless of which
+		// server it proxies to, so public caches must be keyed by the upstream server to
+		// avoid reusing another workspace's data. Undefined in the Meteor-served client,
+		// where the origin already identifies the workspace.
+		return __meteor_runtime_config__.UPSTREAM_ROOT_URL;
 	}
 
 	override clearCacheOnLogout() {

apps/meteor/client/lib/rooms/registerRoomTypeRoutes.tsx

@@ -0,0 +1,36 @@
+import { lazy } from 'react';
+
+import { roomCoordinator } from './roomCoordinator';
+import { router } from '../../providers/RouterProvider';
+import MainLayout from '../../views/root/MainLayout';
+import { appLayout } from '../appLayout';
+
+// Lazy, matching the convention in client/startup/routes.tsx: MainLayout is imported statically
+// (it is generic and provides its own <Suspense>) while the page component is loaded on demand.
+const RoomRoute = lazy(() => import('../../views/room/RoomRoute'));
+
+/**
+ * Registers a router route for every room type that declares one.
+ *
+ * This lives in the view layer — rather than in the room-type coordinator — so the coordinator
+ * (a lib-level singleton) never imports the room view tree. That import used to form a dependency
+ * cycle (roomCoordinator → room UI → roomCoordinator) which made Vite re-execute the coordinator
+ * on every HMR edit of a room component, wiping its registered `roomTypes` and crashing the room.
+ *
+ * Must be called after all room types have been registered (see client/lib/rooms/roomTypes).
+ */
+export const registerRoomTypeRoutes = (): void => {
+	for (const { name, path, extractOpenRoomParams } of roomCoordinator.getRoomTypeRoutes()) {
+		router.defineRoutes([
+			{
+				path,
+				id: name,
+				element: appLayout.wrap(
+					<MainLayout>
+						<RoomRoute key={name} extractOpenRoomParams={extractOpenRoomParams} />
+					</MainLayout>,
+				),
+			},
+		]);
+	}
+};

apps/meteor/client/lib/rooms/roomCoordinator.tsx

@@ -1,5 +1,5 @@
 import type { IRoom, RoomType, IUser, AtLeast, ValueOf, ISubscription } from '@rocket.chat/core-typings';
-import type { RouteName } from '@rocket.chat/ui-contexts';
+import type { RouteName, RouterPathPattern } from '@rocket.chat/ui-contexts';
 
 import { hasPermission } from '../../../app/authorization/client';
 import type {
@@ -14,10 +14,13 @@ import type {
 import { RoomCoordinator } from '../../../lib/rooms/coordinator';
 import { router } from '../../providers/RouterProvider';
 import { Subscriptions } from '../../stores';
-import RoomRoute from '../../views/room/RoomRoute';
-import MainLayout from '../../views/root/MainLayout';
 import { absoluteUrl } from '../absoluteUrl';
-import { appLayout } from '../appLayout';
+
+export type RoomTypeRoute = {
+	name: RouteName;
+	path: RouterPathPattern;
+	extractOpenRoomParams: NonNullable<IRoomTypeClientDirectives['extractOpenRoomParams']>;
+};
 
 class RoomCoordinatorClient extends RoomCoordinator {
 	public add(roomConfig: IRoomTypeClientConfig, directives: Partial<IRoomTypeClientDirectives>): void {
@@ -63,6 +66,27 @@ class RoomCoordinatorClient extends RoomCoordinator {
 		return this.roomTypes[roomType].directives as IRoomTypeClientDirectives;
 	}
 
+	/**
+	 * Returns the routes that should be registered for the room types that declare one.
+	 *
+	 * Route registration itself lives in the view layer (see registerRoomTypeRoutes) so this
+	 * coordinator stays free of view/router imports — importing the room view tree here created a
+	 * dependency cycle that made Vite re-execute this module (and wipe its `roomTypes`) on every
+	 * HMR edit of a room component.
+	 */
+	public getRoomTypeRoutes(): RoomTypeRoute[] {
+		return Object.values(this.roomTypes).flatMap(({ config, directives }) => {
+			const { route } = config;
+			const { extractOpenRoomParams } = directives as IRoomTypeClientDirectives;
+
+			if (!route?.path || !route.name || !extractOpenRoomParams) {
+				return [];
+			}
+
+			return [{ name: route.name, path: route.path, extractOpenRoomParams }];
+		});
+	}
+
 	public openRouteLink(
 		roomType: RoomType,
 		subData: RoomIdentification,
@@ -170,28 +194,6 @@ class RoomCoordinatorClient extends RoomCoordinator {
 		}
 	}
 
-	protected override addRoomType(roomConfig: IRoomTypeClientConfig, directives: IRoomTypeClientDirectives): void {
-		super.addRoomType(roomConfig, directives);
-
-		if (roomConfig.route?.path && roomConfig.route.name && directives.extractOpenRoomParams) {
-			const {
-				route: { name, path },
-			} = roomConfig;
-			const { extractOpenRoomParams } = directives;
-			router.defineRoutes([
-				{
-					path,
-					id: name,
-					element: appLayout.wrap(
-						<MainLayout>
-							<RoomRoute key={name} extractOpenRoomParams={extractOpenRoomParams} />
-						</MainLayout>,
-					),
-				},
-			]);
-		}
-	}
-
 	public getURL(roomType: string, subData: RoomIdentification): string | false {
 		const config = this.getRoomTypeConfig(roomType);
 		if (!config?.route) {

apps/meteor/client/lib/rooms/roomTypes/index.ts

@@ -5,3 +5,9 @@ import './livechat';
 import './private';
 import './public';
 import './unread';
+import { registerRoomTypeRoutes } from '../registerRoomTypeRoutes';
+
+// Room types are registered above via import side effects; now that they all exist, wire up their
+// routes. Route registration is deliberately kept out of the coordinator to avoid a view-layer
+// import cycle (see registerRoomTypeRoutes).
+registerRoomTypeRoutes();

apps/meteor/client/meteor/minimongo/MinimongoCollection.ts

@@ -1,4 +1,3 @@
-import { Mongo } from 'meteor/mongo';
 import type { StoreApi, UseBoundStore } from 'zustand';
 
 import { LocalCollection } from './LocalCollection';
@@ -8,9 +7,12 @@ import type { IDocumentMapStore } from '../../lib/cachedStores/DocumentMapStore'
 /**
  * Implements a minimal version of a MongoDB collection using Zustand for state management.
  *
- * It's a middle layer between the Mongo.Collection and Zustand aiming for complete migration to Zustand.
+ * It's a middle layer between Meteor-style collection consumers and Zustand aiming for
+ * complete migration to Zustand. It intentionally does not extend Mongo.Collection: it is
+ * never named, never replicated over DDP, and nothing calls the inherited query/mutator
+ * API — the Zustand LocalCollection below is the only backing store.
  */
-export class MinimongoCollection<T extends { _id: string }> extends Mongo.Collection<T> {
+export class MinimongoCollection<T extends { _id: string }> {
 	private pendingRecomputations = new Set<Query<T>>();
 
 	recomputeAll() {
@@ -61,9 +63,7 @@ export class MinimongoCollection<T extends { _id: string }> extends Mongo.Collec
 		 * queries that depend on the changed documents.
 		 */
 		public readonly use: UseBoundStore<StoreApi<IDocumentMapStore<T>>>,
-	) {
-		super(null);
-	}
+	) {}
 
 	/**
 	 * Returns the Zustand store state that holds the records of the collection.

apps/meteor/definition/externals/global.d.ts

@@ -9,6 +9,19 @@ declare global {
 	const __meteor_runtime_config__: {
 		ROOT_URL_PATH_PREFIX: string;
 		ROOT_URL: string;
+		/** Set only by the vite dev client: the server behind the local proxy */
+		UPSTREAM_ROOT_URL?: string;
+		PUBLIC_SETTINGS?: Record<string, unknown>;
+		accountsConfigCalled?: boolean;
+		meteorEnv: {
+			TEST_METADATA?: string;
+			NODE_ENV?: string;
+		};
+		ACCOUNTS_CONNECTION_URL?: string;
+		isModern?: boolean;
+		gitCommitHash?: string;
+		meteorRelease?: string;
+		debug?: boolean;
 	};
 
 	interface Window {

apps/meteor/ee/server/lib/omnichannel/index.ts

@@ -25,7 +25,7 @@ import { createDefaultPriorities } from './priorities';
 patchOmniCore();
 
 await License.onLicense('livechat-enterprise', async () => {
-	require('../../hooks/omnichannel');
+	await import('../../hooks/omnichannel');
 	await import('./startup');
 	const { createPermissions } = await import('./permissions');
 	const { createSettings } = await import('./settings');

apps/meteor/index.html

@@ -0,0 +1,16 @@
+<!doctype html>
+<html lang="en">
+	<head>
+		<title>Rocket.Chat</title>
+		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
+		<link rel="icon" sizes="16x16" type="image/png" href="/assets/favicon_16.png" />
+		<link rel="icon" sizes="32x32" type="image/png" href="/assets/favicon_32.png" />
+		<link rel="icon" sizes="any" type="image/png" href="/assets/favicon.svg" />
+		<link rel="manifest" href="images/manifest.json" />
+	</head>
+
+	<body>
+		<div id="react-root"></div>
+		<script type="module" src="./src/index.ts"></script>
+	</body>
+</html>

apps/meteor/lib/getMessageUrlRegex.ts

@@ -1,2 +1,2 @@
-export const getMessageUrlRegex = (): RegExp =>
+export const getMessageUrlRegex: () => RegExp = (): RegExp =>
 	/([A-Za-z]{3,9}):\/\/([-;:&=\+\$,\w]+@{1})?([-A-Za-z0-9\.]+)+:?(\d+)?((\/[-\+=!:~%\/\.@\,\w]*)?\??([-\+=&!:;%@\/\.\,\w]+)?(?:#([^\s\)]+))?)?/g;

apps/meteor/package.json

@@ -21,13 +21,14 @@
 		"name": "Rocket.Chat",
 		"url": "https://rocket.chat/"
 	},
-	"type": "commonjs",
+	"type": "module",
 	"scripts": {
 		".testunit:definition": "mocha --config ./.mocharc.definition.js",
 		".testunit:jest": "TZ=UTC TS_NODE_COMPILER_OPTIONS='{\"allowJs\": false}' jest",
 		".testunit:server": "mocha --config ./.mocharc.js",
 		".testunit:server:cov": "nyc -r text -r lcov mocha --config ./.mocharc.js",
 		"build:ci": "METEOR_DEBUG_BUILD=1 METEOR_DISABLE_OPTIMISTIC_CACHING=1 meteor build --verbose --server-only --directory /tmp/dist",
+		"build:server": "vite build --app --config ./vite.config.server.mts",
 		"coverage": "TS_NODE_COMPILER_OPTIONS='{\"module\": \"commonjs\"}' nyc -r html mocha --config ./.mocharc.js",
 		"debug": "meteor run --inspect",
 		"debug-brk": "meteor run --inspect-brk",
@@ -130,6 +131,8 @@
 		"@rocket.chat/memo": "~0.31.25",
 		"@rocket.chat/message-parser": "workspace:^",
 		"@rocket.chat/message-types": "workspace:~",
+		"@rocket.chat/meteor-client": "workspace:^",
+		"@rocket.chat/meteor-server": "workspace:^",
 		"@rocket.chat/model-typings": "workspace:^",
 		"@rocket.chat/models": "workspace:^",
 		"@rocket.chat/mongo-adapter": "workspace:^",
@@ -419,6 +422,7 @@
 		"@types/ua-parser-js": "^0.7.39",
 		"@types/underscore": "^1.13.0",
 		"@types/xml-encryption": "~1.2.4",
+		"@vitejs/plugin-react": "~6.0.3",
 		"autoprefixer": "^10.5.4",
 		"babel-loader": "~10.0.0",
 		"babel-plugin-array-includes": "^2.0.3",
@@ -466,6 +470,8 @@
 		"ts-node": "^10.9.2",
 		"tsx": "~4.22.5",
 		"typescript": "~5.9.3",
+		"vite": "~8.1.4",
+		"vite-plugin-istanbul": "~9.0.1",
 		"webpack": "~5.104.1"
 	},
 	"volta": {

apps/meteor/server/lib/import/csv/CsvImporter.ts

@@ -1,7 +1,7 @@
 import type { IImport } from '@rocket.chat/core-typings';
 import { Settings, Users } from '@rocket.chat/models';
 import { Random } from '@rocket.chat/random';
-import { parse } from 'csv-parse/lib/sync';
+import { parse } from 'csv-parse/sync';
 
 import { Importer, ProgressStep, ImporterWebsocket } from '..';
 import { notifyOnSettingChanged } from '../../notifyListener';

apps/meteor/server/lib/import/omnichannel-contacts/ContactImporter.ts

@@ -1,7 +1,7 @@
 import fs from 'node:fs';
 
 import type { IImport } from '@rocket.chat/core-typings';
-import { parse } from 'csv-parse/lib/sync';
+import { parse } from 'csv-parse/sync';
 
 import { Importer, ProgressStep, ImporterWebsocket } from '..';
 import { addParsedContacts } from './addParsedContacts';

apps/meteor/server/lib/import/slack-users/SlackUsersImporter.ts

@@ -2,7 +2,7 @@ import fs from 'node:fs';
 
 import type { IImport, IImportUser } from '@rocket.chat/core-typings';
 import { Settings } from '@rocket.chat/models';
-import { parse } from 'csv-parse/lib/sync';
+import { parse } from 'csv-parse/sync';
 
 import { Importer, ProgressStep } from '..';
 import { RocketChatFile } from '../../media/file';