Add brew update detection to Share Page

client/homebrew/pages/sharePage/sharePage.jsx

@@ -46,6 +46,18 @@ const SharePage = (props)=>{
 			brew.theme
 		);
 
+		const eventSource = new EventSource('/stream');
+
+		eventSource.addEventListener('message', (evt)=>{
+			const messageData = JSON.parse(evt.data);
+
+			if(messageData.eventType == 'brewUpdated'){
+				if(messageData.shareId == brew.shareId && messageData.version != brew.version) {
+					console.log(`brew has been updated, viewing ${brew.version}, new version is ${messageData.version}`);
+				}
+			}
+		});
+
 		return ()=>{
 			document.removeEventListener('keydown', handleControlKeys);
 		};

server/homebrew.api.js

@@ -16,6 +16,8 @@ const router = express.Router();
 import { DEFAULT_BREW, DEFAULT_BREW_LOAD } from './brewDefaults.js';
 import Themes from '../themes/themes.json' with { type: 'json' };
 
+import Stream from './eventStreamSource.js';
+
 const isStaticTheme = (renderer, themeName)=>{
 	return Themes[renderer]?.[themeName] !== undefined;
 };
@@ -398,6 +400,8 @@ const api = {
 		const after = await afterSave();
 		if(!after) return;
 
+		Stream.emit('sendUpdate', 'brewUpdated', { time: new Date, shareId: brew.shareId, version: brew.version });
+
 		res.status(200).send(saved);
 	},
 	deleteGoogleBrew : async (account, id, editId, res)=>{