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peer.lastSeen > timeout) {\n peers.delete(id);\n }\n }\n \n // Clean up old offers/answers/candidates\n for (const [key, offer] of offers.entries()) {\n if (now - offer.timestamp > timeout) {\n offers.delete(key);\n }\n }\n \n for (const [key, answer] of answers.entries()) {\n if (now - answer.timestamp > timeout) {\n answers.delete(key);\n }\n }\n \n for (const [key, candidates] of iceCandidates.entries()) {\n const filtered = candidates.filter(c => now - c.timestamp < timeout);\n if (filtered.length === 0) {\n iceCandidates.delete(key);\n } else {\n iceCandidates.set(key, filtered);\n }\n }\n}, 10000); // Run cleanup every 10 seconds\n\nexport default app.fetch;","http","createdAt",["D",1756470018193],"branchVersion","branchId","e96dcd8e-84d0-11f0-9cb1-0224a6c84d84","id","e96ce914-84d0-11f0-9cb1-0224a6c84d84","WebRTC",["D",1756469325272],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","imageUrl","a0bf3b31-15a5-4d5c-880e-4b1e22c9bc18","pinnedFileId","pinPreview",true,"pinMigrated","screenshotVersion","likeCount",1,"orgId","e81e7335-6d4c-4764-a902-d0962bbfa9f7","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_96":95,"_103":99},"org",{"_96":95,"_97":-5,"_98":99,"_18":55,"_100":101,"_102":25},"branch",{"_13":85,"_32":86,"_44":43,"_87":45,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":46,"_94":95},"isOwned",24,"main","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","stevekrouse","handle","displayName","avatar","https://images.clerk.dev/uploaded/img_2PqHa2Gsy93xQrjh2w78Xu0cChW.jpeg","tier","pro","canRestrictVals","profileImageUrl","branchName","","adoptOrgId",{"_44":45,"_32":46,"_39":185,"_48":-5,"_49":25,"_50":51,"_52":51,"_53":-5,"_54":-5,"_18":55,"_56":31,"_57":58,"_59":58,"_60":-5,"_61":62,"_63":64,"_65":-5,"_66":-5,"_67":-5,"_68":-5,"_69":70,"_71":70,"_72":73,"_74":73,"_75":73,"_76":70,"_77":70,"_78":186,"_80":187,"_82":188,"_84":25},"tree",[154,156],"files",[154,155,156,157,158],"counts",{"_144":135,"_145":62,"_146":135,"_147":148,"_149":150},"contents",[126,127],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_44":139,"_32":140,"_30":141,"_131":-5,"_42":43,"_41":62,"_133":58,"_39":142,"_13":135,"_34":136,"_36":-5,"_24":25,"_137":-5,"_27":143},{"_44":128,"_32":129,"_30":130,"_131":-5,"_42":43,"_41":132,"_133":58,"_39":134,"_13":135,"_34":136,"_36":-5,"_24":25,"_137":-5,"_27":138},"6e4f20ba-84d2-11f0-8c5f-0224a6c84d84","frontend","fbd7379b-b748-465c-9284-a94b081a9e35","parentId",2,"latest",["D",1756469977706],0,"directory","label",[129],"d5432470-84d1-11f0-aaf4-0224a6c84d84","backend","95adb4b3-d052-4e19-9770-4d3664b9cb76",["D",1756469720936],[140],"pulls","branches","forks","envVars",{"_151":135,"_153":135},"connections",{"_151":135,"_152":135},"count","unfilledCount","emptyCount",{"_44":139,"_32":140,"_30":141,"_131":-5,"_42":43,"_41":62,"_133":58,"_39":182,"_13":135,"_34":136,"_36":-5,"_24":25,"_137":-5,"_165":183,"_27":184},{"_44":178,"_32":33,"_30":31,"_131":141,"_42":43,"_41":14,"_133":58,"_39":179,"_13":62,"_34":38,"_36":37,"_24":25,"_137":-5,"_165":180,"_27":181},{"_44":128,"_32":129,"_30":130,"_131":-5,"_42":43,"_41":132,"_133":58,"_39":175,"_13":135,"_34":136,"_36":-5,"_24":25,"_137":-5,"_165":176,"_27":177},{"_44":168,"_32":169,"_30":170,"_131":130,"_42":43,"_41":132,"_133":25,"_39":171,"_13":135,"_34":20,"_36":172,"_24":25,"_137":-5,"_165":173,"_27":174},{"_44":159,"_32":160,"_30":161,"_131":130,"_42":43,"_41":162,"_133":25,"_39":163,"_13":135,"_34":35,"_36":164,"_24":25,"_137":-5,"_165":166,"_27":167},"843e6408-84d2-11f0-ac66-0224a6c84d84","webrtc.js","843e64c6-84d2-11f0-ac66-0224a6c84d84",3,["D",1756470014508],"class WebRTCMouseDemo {\n constructor() {\n this.peerId = this.generatePeerId();\n this.peers = new Map(); // peerId -> RTCPeerConnection\n this.cursors = new Map(); // peerId -> cursor element\n this.lastMouseUpdate = 0;\n this.mouseThrottle = 50; // ms\n this.ownCursor = null;\n \n this.init();\n }\n \n generatePeerId() {\n return Math.random().toString(36).substr(2, 9);\n }\n \n generateColor() {\n const colors = [\n '#ff6b6b', '#4ecdc4', '#45b7d1', '#96ceb4', '#feca57',\n '#ff9ff3', '#54a0ff', '#5f27cd', '#00d2d3', '#ff9f43',\n '#10ac84', '#ee5a24', '#0abde3', '#3867d6', '#8854d0'\n ];\n return colors[Math.floor(Math.random() * colors.length)];\n }\n \n async init() {\n this.setupMouseTracking();\n this.createOwnCursor();\n await this.registerPeer();\n this.startPolling();\n this.updateStatus('Connected');\n }\n \n setupMouseTracking() {\n let lastUpdate = 0;\n document.addEventListener('mousemove', (e) => {\n const now = Date.now();\n if (now - lastUpdate < this.mouseThrottle) return;\n lastUpdate = now;\n \n const mouseData = {\n x: e.clientX / window.innerWidth,\n y: e.clientY / window.innerHeight,\n timestamp: now\n };\n \n this.updateOwnCursor(e.clientX, e.clientY);\n this.broadcastMousePosition(mouseData);\n });\n }\n \n createOwnCursor() {\n this.ownCursor = document.createElement('div');\n this.ownCursor.className = 'cursor own-cursor';\n this.ownCursor.style.backgroundColor = '#ffffff';\n document.body.appendChild(this.ownCursor);\n }\n \n updateOwnCursor(x, y) {\n if (this.ownCursor) {\n this.ownCursor.style.left = (x - 6) + 'px';\n this.ownCursor.style.top = (y - 6) + 'px';\n }\n }\n \n async registerPeer() {\n try {\n const response = await fetch('/api/register', {\n method: 'POST',\n headers: { 'Content-Type': 'application/json' },\n body: JSON.stringify({ peerId: this.peerId })\n });\n \n const data = await response.json();\n console.log('Registered peer, found existing peers:', data.peers);\n \n // Connect to existing peers\n for (const otherPeerId of data.peers) {\n await this.createPeerConnection(otherPeerId, true);\n }\n \n } catch (error) {\n console.error('Failed to register peer:', error);\n this.updateStatus('Connection failed');\n }\n }\n \n async createPeerConnection(otherPeerId, isInitiator = false) {\n if (this.peers.has(otherPeerId)) return;\n \n const pc = new RTCPeerConnection({\n iceServers: [{ urls: 'stun:stun.l.google.com:19302' }]\n });\n \n this.peers.set(otherPeerId, pc);\n \n // Create data channel for mouse positions\n const dataChannel = pc.createDataChannel('mouse', { ordered: false });\n this.setupDataChannel(dataChannel, otherPeerId);\n \n // Handle incoming data channels\n pc.ondatachannel = (event) => {\n this.setupDataChannel(event.channel, otherPeerId);\n };\n \n // Handle ICE candidates\n pc.onicecandidate = (event) => {\n if (event.candidate) {\n this.sendIceCandidate(otherPeerId, event.candidate);\n }\n };\n \n pc.onconnectionstatechange = () => {\n console.log(`Connection with ${otherPeerId}:`, pc.connectionState);\n if (pc.connectionState === 'disconnected' || pc.connectionState === 'failed') {\n this.removePeer(otherPeerId);\n }\n };\n \n if (isInitiator) {\n const offer = await pc.createOffer();\n await pc.setLocalDescription(offer);\n await this.sendOffer(otherPeerId, offer);\n }\n \n this.updatePeerCount();\n }\n \n setupDataChannel(channel, peerId) {\n channel.onopen = () => {\n console.log(`Data channel opened with ${peerId}`);\n };\n \n channel.onmessage = (event) => {\n try {\n const mouseData = JSON.parse(event.data);\n this.updateRemoteCursor(peerId, mouseData);\n } catch (error) {\n console.error('Failed to parse mouse data:', error);\n }\n };\n \n // Store channel reference\n const pc = this.peers.get(peerId);\n if (pc) {\n pc.dataChannel = channel;\n }\n }\n \n updateRemoteCursor(peerId, mouseData) {\n let cursor = this.cursors.get(peerId);\n \n if (!cursor) {\n cursor = document.createElement('div');\n cursor.className = 'cursor';\n cursor.style.backgroundColor = this.generateColor();\n document.body.appendChild(cursor);\n this.cursors.set(peerId, cursor);\n }\n \n const x = mouseData.x * window.innerWidth;\n const y = mouseData.y * window.innerHeight;\n \n cursor.style.left = (x - 6) + 'px';\n cursor.style.top = (y - 6) + 'px';\n }\n \n broadcastMousePosition(mouseData) {\n const message = JSON.stringify(mouseData);\n \n for (const [peerId, pc] of this.peers.entries()) {\n if (pc.dataChannel && pc.dataChannel.readyState === 'open') {\n try {\n pc.dataChannel.send(message);\n } catch (error) {\n console.error(`Failed to send to ${peerId}:`, error);\n }\n }\n }\n }\n \n async sendOffer(toPeerId, offer) {\n await fetch('/api/offer', {\n method: 'POST',\n headers: { 'Content-Type': 'application/json' },\n body: JSON.stringify({\n from: this.peerId,\n to: toPeerId,\n offer: offer\n })\n });\n }\n \n async sendAnswer(toPeerId, answer) {\n await fetch('/api/answer', {\n method: 'POST',\n headers: { 'Content-Type': 'application/json' },\n body: JSON.stringify({\n from: this.peerId,\n to: toPeerId,\n answer: answer\n })\n });\n }\n \n async sendIceCandidate(toPeerId, candidate) {\n await fetch('/api/ice', {\n method: 'POST',\n headers: { 'Content-Type': 'application/json' },\n body: JSON.stringify({\n from: this.peerId,\n to: toPeerId,\n candidate: candidate\n })\n });\n }\n \n async startPolling() {\n // Poll for offers, answers, and ICE candidates\\n setInterval(async () => {\\n await Promise.all([\\n this.pollOffers(),\\n this.pollAnswers(),\\n this.pollIceCandidates()\\n ]);\\n }, 1000);\\n }\\n \\n async pollOffers() {\\n try {\\n const response = await fetch(`/api/offers/${this.peerId}`);\\n const data = await response.json();\\n \\n for (const offer of data.offers) {\\n await this.handleOffer(offer);\\n }\\n } catch (error) {\\n console.error('Failed to poll offers:', error);\\n }\\n }\\n \\n async pollAnswers() {\\n try {\\n const response = await fetch(`/api/answers/${this.peerId}`);\\n const data = await response.json();\\n \\n for (const answer of data.answers) {\\n await this.handleAnswer(answer);\\n }\\n } catch (error) {\\n console.error('Failed to poll answers:', error);\\n }\\n }\\n \\n async pollIceCandidates() {\\n try {\\n const response = await fetch(`/api/ice/${this.peerId}`);\\n const data = await response.json();\\n \\n for (const candidateData of data.candidates) {\\n await this.handleIceCandidate(candidateData);\\n }\\n } catch (error) {\\n console.error('Failed to poll ICE candidates:', error);\\n }\\n }\\n \\n async handleOffer(offerData) {\\n const { from, offer } = offerData;\\n \\n if (!this.peers.has(from)) {\\n await this.createPeerConnection(from, false);\\n }\\n \\n const pc = this.peers.get(from);\\n if (pc) {\\n await pc.setRemoteDescription(new RTCSessionDescription(offer));\\n const answer = await pc.createAnswer();\\n await pc.setLocalDescription(answer);\\n await this.sendAnswer(from, answer);\\n }\\n }\\n \\n async handleAnswer(answerData) {\\n const { from, answer } = answerData;\\n const pc = this.peers.get(from);\\n \\n if (pc) {\\n await pc.setRemoteDescription(new RTCSessionDescription(answer));\\n }\\n }\\n \\n async handleIceCandidate(candidateData) {\\n const { from, candidate } = candidateData;\\n const pc = this.peers.get(from);\\n \\n if (pc) {\\n await pc.addIceCandidate(new RTCIceCandidate(candidate));\\n }\\n }\\n \\n removePeer(peerId) {\\n // Close peer connection\\n const pc = this.peers.get(peerId);\\n if (pc) {\\n pc.close();\\n this.peers.delete(peerId);\\n }\\n \\n // Remove cursor\\n const cursor = this.cursors.get(peerId);\\n if (cursor) {\\n cursor.remove();\\n this.cursors.delete(peerId);\\n }\\n \\n this.updatePeerCount();\\n }\\n \\n updateStatus(status) {\\n const statusEl = document.getElementById('status');\\n if (statusEl) {\\n statusEl.textContent = status;\\n }\\n }\\n \\n updatePeerCount() {\\n const countEl = document.getElementById('peer-count');\\n if (countEl) {\\n countEl.textContent = `Peers: ${this.peers.size}`;\\n }\\n }\\n}\\n\\n// Start the demo when page loads\\ndocument.addEventListener('DOMContentLoaded', () => {\\n new WebRTCMouseDemo();\\n});","children",[],[129,160],"6e4f19b2-84d2-11f0-8c5f-0224a6c84d84","index.html","6e4f1a7a-84d2-11f0-8c5f-0224a6c84d84",["D",1756469977706],"\n\n\n \n \n WebRTC Mouse Cursors\n \n \n\n\n

WebRTC Mouse Demo

Connecting...

Peers: 0

\n \n

Move your mouse around

Each cursor is a different user

\n\n \n\n",[],[129,169],["D",1756469977706],[157,158],[129],"86713fd4-84d2-11f0-9051-0224a6c84d84",["D",1756470018193],[],[140,33],["D",1756469720936],[155],[140],["D",1756469325272],{"_96":95,"_103":99},{"_96":95,"_97":-5,"_98":99,"_18":55,"_100":101,"_102":25},{"_13":85,"_32":86,"_44":43,"_87":45,"_88":-5,"_89":-5,"_90":-5,"_91":-5,"_92":-5,"_93":46,"_94":95},"ctx",{"_78":-5,"_123":222,"_223":224,"_225":226,"_227":25,"_228":25,"_229":25,"_230":58,"_231":-5,"_232":-7,"_233":-7,"_234":135,"_235":25,"_236":25,"_237":-5,"_238":25,"_239":25,"_240":25,"_241":-5},"ENV",{"_193":194,"_195":196,"_197":86,"_198":199,"_200":201,"_202":203,"_204":205,"_206":207,"_208":209,"_210":211,"_212":213,"_214":215,"_216":217,"_218":219,"_220":221},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","71c1b20804b3232a7e513be260cfffc1932a9e97","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Diff · v4