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Nitro's WebSocket integration works across all supported deployment targets including Node.js, Bun, Deno, and Cloudflare Workers.",[408,409],"read-more",{"title":410,"to":411},"CrossWS Documentation","https://crossws.h3.dev/",[413,414,416],"h2",{"id":415},"enable-websocket","Enable WebSocket",[404,418,419],{},"Enable WebSocket support in your Nitro configuration:",[421,422,423],"code-group",{},[424,425,430],"pre",{"className":426,"code":427,"filename":428,"language":429,"meta":5,"style":5},"language-ts shiki shiki-themes github-light github-dark github-dark","import { defineConfig } from \"nitro\";\n\nexport default defineConfig({\n  features: {\n    websocket: true,\n  },\n});\n","nitro.config.ts","ts",[431,432,433,456,463,479,485,498,504],"code",{"__ignoreMap":5},[434,435,438,442,446,449,453],"span",{"class":436,"line":437},"line",1,[434,439,441],{"class":440},"so5gQ","import",[434,443,445],{"class":444},"slsVL"," { defineConfig } ",[434,447,448],{"class":440},"from",[434,450,452],{"class":451},"sfrk1"," \"nitro\"",[434,454,455],{"class":444},";\n",[434,457,459],{"class":436,"line":458},2,[434,460,462],{"emptyLinePlaceholder":461},true,"\n",[434,464,466,469,472,476],{"class":436,"line":465},3,[434,467,468],{"class":440},"export",[434,470,471],{"class":440}," default",[434,473,475],{"class":474},"shcOC"," defineConfig",[434,477,478],{"class":444},"({\n",[434,480,482],{"class":436,"line":481},4,[434,483,484],{"class":444},"  features: {\n",[434,486,488,491,495],{"class":436,"line":487},5,[434,489,490],{"class":444},"    websocket: ",[434,492,494],{"class":493},"suiK_","true",[434,496,497],{"class":444},",\n",[434,499,501],{"class":436,"line":500},6,[434,502,503],{"class":444},"  },\n",[434,505,507],{"class":436,"line":506},7,[434,508,509],{"class":444},"});\n",[413,511,513],{"id":512},"usage","Usage",[404,515,516,517,520,521,525],{},"Create a WebSocket handler using ",[431,518,519],{},"defineWebSocketHandler"," and export it from a route file. WebSocket handlers follow the same ",[522,523,524],"a",{"href":24},"file-based routing"," as regular request handlers.",[424,527,530],{"className":426,"code":528,"filename":529,"language":429,"meta":5,"style":5},"import { defineWebSocketHandler } from \"nitro\";\n\nexport default defineWebSocketHandler({\n  open(peer) {\n    console.log(\"Connected:\", peer.id);\n  },\n  message(peer, message) {\n    console.log(\"Message:\", message.text());\n    peer.send(\"Hello from server!\");\n  },\n  close(peer, details) {\n    console.log(\"Disconnected:\", peer.id, details.code, details.reason);\n  },\n  error(peer, error) {\n    console.error(\"Error:\", error);\n  },\n});\n","routes/_ws.ts",[431,531,532,545,549,560,575,591,595,612,633,650,655,672,687,692,709,724,729],{"__ignoreMap":5},[434,533,534,536,539,541,543],{"class":436,"line":437},[434,535,441],{"class":440},[434,537,538],{"class":444}," { defineWebSocketHandler } ",[434,540,448],{"class":440},[434,542,452],{"class":451},[434,544,455],{"class":444},[434,546,547],{"class":436,"line":458},[434,548,462],{"emptyLinePlaceholder":461},[434,550,551,553,555,558],{"class":436,"line":465},[434,552,468],{"class":440},[434,554,471],{"class":440},[434,556,557],{"class":474}," defineWebSocketHandler",[434,559,478],{"class":444},[434,561,562,565,568,572],{"class":436,"line":481},[434,563,564],{"class":474},"  open",[434,566,567],{"class":444},"(",[434,569,571],{"class":570},"sQHwn","peer",[434,573,574],{"class":444},") {\n",[434,576,577,580,583,585,588],{"class":436,"line":487},[434,578,579],{"class":444},"    console.",[434,581,582],{"class":474},"log",[434,584,567],{"class":444},[434,586,587],{"class":451},"\"Connected:\"",[434,589,590],{"class":444},", peer.id);\n",[434,592,593],{"class":436,"line":500},[434,594,503],{"class":444},[434,596,597,600,602,604,607,610],{"class":436,"line":506},[434,598,599],{"class":474},"  message",[434,601,567],{"class":444},[434,603,571],{"class":570},[434,605,606],{"class":444},", ",[434,608,609],{"class":570},"message",[434,611,574],{"class":444},[434,613,615,617,619,621,624,627,630],{"class":436,"line":614},8,[434,616,579],{"class":444},[434,618,582],{"class":474},[434,620,567],{"class":444},[434,622,623],{"class":451},"\"Message:\"",[434,625,626],{"class":444},", message.",[434,628,629],{"class":474},"text",[434,631,632],{"class":444},"());\n",[434,634,636,639,642,644,647],{"class":436,"line":635},9,[434,637,638],{"class":444},"    peer.",[434,640,641],{"class":474},"send",[434,643,567],{"class":444},[434,645,646],{"class":451},"\"Hello from server!\"",[434,648,649],{"class":444},");\n",[434,651,653],{"class":436,"line":652},10,[434,654,503],{"class":444},[434,656,658,661,663,665,667,670],{"class":436,"line":657},11,[434,659,660],{"class":474},"  close",[434,662,567],{"class":444},[434,664,571],{"class":570},[434,666,606],{"class":444},[434,668,669],{"class":570},"details",[434,671,574],{"class":444},[434,673,675,677,679,681,684],{"class":436,"line":674},12,[434,676,579],{"class":444},[434,678,582],{"class":474},[434,680,567],{"class":444},[434,682,683],{"class":451},"\"Disconnected:\"",[434,685,686],{"class":444},", peer.id, details.code, details.reason);\n",[434,688,690],{"class":436,"line":689},13,[434,691,503],{"class":444},[434,693,695,698,700,702,704,707],{"class":436,"line":694},14,[434,696,697],{"class":474},"  error",[434,699,567],{"class":444},[434,701,571],{"class":570},[434,703,606],{"class":444},[434,705,706],{"class":570},"error",[434,708,574],{"class":444},[434,710,712,714,716,718,721],{"class":436,"line":711},15,[434,713,579],{"class":444},[434,715,706],{"class":474},[434,717,567],{"class":444},[434,719,720],{"class":451},"\"Error:\"",[434,722,723],{"class":444},", error);\n",[434,725,727],{"class":436,"line":726},16,[434,728,503],{"class":444},[434,730,732],{"class":436,"line":731},17,[434,733,509],{"class":444},[735,736,737],"tip",{},[404,738,739,740,743,744,747],{},"You can use any route path for WebSocket handlers. For example, ",[431,741,742],{},"routes/chat.ts"," handles WebSocket connections on ",[431,745,746],{},"/chat",".",[749,750,752],"h3",{"id":751},"connecting-from-the-client","Connecting from the client",[404,754,755,756,762],{},"Use the browser's ",[522,757,761],{"href":758,"rel":759},"https://developer.mozilla.org/en-US/docs/Web/API/WebSocket",[760],"nofollow","WebSocket API"," to connect:",[424,764,768],{"className":765,"code":766,"language":767,"meta":5,"style":5},"language-js shiki shiki-themes github-light github-dark github-dark","const ws = new WebSocket(\"ws://localhost:3000/_ws\");\n\nws.addEventListener(\"open\", () => {\n  console.log(\"Connected!\");\n  ws.send(\"Hello from client!\");\n});\n\nws.addEventListener(\"message\", (event) => {\n  console.log(\"Received:\", event.data);\n});\n","js",[431,769,770,794,798,820,834,848,852,856,880,894],{"__ignoreMap":5},[434,771,772,775,778,781,784,787,789,792],{"class":436,"line":437},[434,773,774],{"class":440},"const",[434,776,777],{"class":493}," ws",[434,779,780],{"class":440}," =",[434,782,783],{"class":440}," new",[434,785,786],{"class":474}," WebSocket",[434,788,567],{"class":444},[434,790,791],{"class":451},"\"ws://localhost:3000/_ws\"",[434,793,649],{"class":444},[434,795,796],{"class":436,"line":458},[434,797,462],{"emptyLinePlaceholder":461},[434,799,800,803,806,808,811,814,817],{"class":436,"line":465},[434,801,802],{"class":444},"ws.",[434,804,805],{"class":474},"addEventListener",[434,807,567],{"class":444},[434,809,810],{"class":451},"\"open\"",[434,812,813],{"class":444},", () ",[434,815,816],{"class":440},"=>",[434,818,819],{"class":444}," {\n",[434,821,822,825,827,829,832],{"class":436,"line":481},[434,823,824],{"class":444},"  console.",[434,826,582],{"class":474},[434,828,567],{"class":444},[434,830,831],{"class":451},"\"Connected!\"",[434,833,649],{"class":444},[434,835,836,839,841,843,846],{"class":436,"line":487},[434,837,838],{"class":444},"  ws.",[434,840,641],{"class":474},[434,842,567],{"class":444},[434,844,845],{"class":451},"\"Hello from client!\"",[434,847,649],{"class":444},[434,849,850],{"class":436,"line":500},[434,851,509],{"class":444},[434,853,854],{"class":436,"line":506},[434,855,462],{"emptyLinePlaceholder":461},[434,857,858,860,862,864,867,870,873,876,878],{"class":436,"line":614},[434,859,802],{"class":444},[434,861,805],{"class":474},[434,863,567],{"class":444},[434,865,866],{"class":451},"\"message\"",[434,868,869],{"class":444},", (",[434,871,872],{"class":570},"event",[434,874,875],{"class":444},") ",[434,877,816],{"class":440},[434,879,819],{"class":444},[434,881,882,884,886,888,891],{"class":436,"line":635},[434,883,824],{"class":444},[434,885,582],{"class":474},[434,887,567],{"class":444},[434,889,890],{"class":451},"\"Received:\"",[434,892,893],{"class":444},", event.data);\n",[434,895,896],{"class":436,"line":652},[434,897,509],{"class":444},[413,899,901],{"id":900},"hooks","Hooks",[404,903,904],{},"WebSocket handlers accept the following lifecycle hooks:",[749,906,908],{"id":907},"upgrade",[431,909,907],{},[404,911,912],{},"Called before the WebSocket connection is established. Use it to authenticate requests, set the namespace, or attach context data to the peer.",[424,914,916],{"className":426,"code":915,"filename":742,"language":429,"meta":5,"style":5},"import { defineWebSocketHandler } from \"nitro\";\n\nexport default defineWebSocketHandler({\n  upgrade(request) {\n    const url = new URL(request.url);\n    const token = url.searchParams.get(\"token\");\n    if (!isValidToken(token)) {\n      throw new Response(\"Unauthorized\", { status: 401 });\n    }\n    return {\n      context: { userId: getUserId(token) },\n    };\n  },\n  open(peer) {\n    console.log(\"User connected:\", peer.context.userId);\n  },\n  // ...\n});\n",[431,917,918,930,934,944,956,974,996,1013,1037,1042,1049,1060,1065,1069,1079,1093,1097,1103],{"__ignoreMap":5},[434,919,920,922,924,926,928],{"class":436,"line":437},[434,921,441],{"class":440},[434,923,538],{"class":444},[434,925,448],{"class":440},[434,927,452],{"class":451},[434,929,455],{"class":444},[434,931,932],{"class":436,"line":458},[434,933,462],{"emptyLinePlaceholder":461},[434,935,936,938,940,942],{"class":436,"line":465},[434,937,468],{"class":440},[434,939,471],{"class":440},[434,941,557],{"class":474},[434,943,478],{"class":444},[434,945,946,949,951,954],{"class":436,"line":481},[434,947,948],{"class":474},"  upgrade",[434,950,567],{"class":444},[434,952,953],{"class":570},"request",[434,955,574],{"class":444},[434,957,958,961,964,966,968,971],{"class":436,"line":487},[434,959,960],{"class":440},"    const",[434,962,963],{"class":493}," url",[434,965,780],{"class":440},[434,967,783],{"class":440},[434,969,970],{"class":474}," URL",[434,972,973],{"class":444},"(request.url);\n",[434,975,976,978,981,983,986,989,991,994],{"class":436,"line":500},[434,977,960],{"class":440},[434,979,980],{"class":493}," token",[434,982,780],{"class":440},[434,984,985],{"class":444}," url.searchParams.",[434,987,988],{"class":474},"get",[434,990,567],{"class":444},[434,992,993],{"class":451},"\"token\"",[434,995,649],{"class":444},[434,997,998,1001,1004,1007,1010],{"class":436,"line":506},[434,999,1000],{"class":440},"    if",[434,1002,1003],{"class":444}," (",[434,1005,1006],{"class":440},"!",[434,1008,1009],{"class":474},"isValidToken",[434,1011,1012],{"class":444},"(token)) {\n",[434,1014,1015,1018,1020,1023,1025,1028,1031,1034],{"class":436,"line":614},[434,1016,1017],{"class":440},"      throw",[434,1019,783],{"class":440},[434,1021,1022],{"class":474}," Response",[434,1024,567],{"class":444},[434,1026,1027],{"class":451},"\"Unauthorized\"",[434,1029,1030],{"class":444},", { status: ",[434,1032,1033],{"class":493},"401",[434,1035,1036],{"class":444}," });\n",[434,1038,1039],{"class":436,"line":635},[434,1040,1041],{"class":444},"    }\n",[434,1043,1044,1047],{"class":436,"line":652},[434,1045,1046],{"class":440},"    return",[434,1048,819],{"class":444},[434,1050,1051,1054,1057],{"class":436,"line":657},[434,1052,1053],{"class":444},"      context: { userId: ",[434,1055,1056],{"class":474},"getUserId",[434,1058,1059],{"class":444},"(token) },\n",[434,1061,1062],{"class":436,"line":674},[434,1063,1064],{"class":444},"    };\n",[434,1066,1067],{"class":436,"line":689},[434,1068,503],{"class":444},[434,1070,1071,1073,1075,1077],{"class":436,"line":694},[434,1072,564],{"class":474},[434,1074,567],{"class":444},[434,1076,571],{"class":570},[434,1078,574],{"class":444},[434,1080,1081,1083,1085,1087,1090],{"class":436,"line":711},[434,1082,579],{"class":444},[434,1084,582],{"class":474},[434,1086,567],{"class":444},[434,1088,1089],{"class":451},"\"User connected:\"",[434,1091,1092],{"class":444},", peer.context.userId);\n",[434,1094,1095],{"class":436,"line":726},[434,1096,503],{"class":444},[434,1098,1099],{"class":436,"line":731},[434,1100,1102],{"class":1101},"sCsY4","  // ...\n",[434,1104,1106],{"class":436,"line":1105},18,[434,1107,509],{"class":444},[404,1109,1110,1111,1113],{},"The ",[431,1112,907],{}," hook can return an object with:",[1115,1116,1117,1133],"table",{},[1118,1119,1120],"thead",{},[1121,1122,1123,1127,1130],"tr",{},[1124,1125,1126],"th",{},"Property",[1124,1128,1129],{},"Type",[1124,1131,1132],{},"Description",[1134,1135,1136,1152,1167],"tbody",{},[1121,1137,1138,1144,1149],{},[1139,1140,1141],"td",{},[431,1142,1143],{},"headers",[1139,1145,1146],{},[431,1147,1148],{},"HeadersInit",[1139,1150,1151],{},"Response headers to include in the upgrade response",[1121,1153,1154,1159,1164],{},[1139,1155,1156],{},[431,1157,1158],{},"namespace",[1139,1160,1161],{},[431,1162,1163],{},"string",[1139,1165,1166],{},"Override the pub/sub namespace for this connection",[1121,1168,1169,1174,1179],{},[1139,1170,1171],{},[431,1172,1173],{},"context",[1139,1175,1176],{},[431,1177,1178],{},"object",[1139,1180,1181,1182],{},"Data attached to ",[431,1183,1184],{},"peer.context",[404,1186,1187,1188,1191],{},"Throw a ",[431,1189,1190],{},"Response"," to reject the upgrade.",[749,1193,1195],{"id":1194},"open",[431,1196,1194],{},[404,1198,1199],{},"Called when a WebSocket connection is established and the peer is ready to send and receive messages.",[424,1201,1203],{"className":426,"code":1202,"language":429,"meta":5,"style":5},"open(peer) {\n  peer.send(\"Welcome!\");\n}\n",[431,1204,1205,1212,1226],{"__ignoreMap":5},[434,1206,1207,1209],{"class":436,"line":437},[434,1208,1194],{"class":474},[434,1210,1211],{"class":444},"(peer) {\n",[434,1213,1214,1217,1219,1221,1224],{"class":436,"line":458},[434,1215,1216],{"class":444},"  peer.",[434,1218,641],{"class":474},[434,1220,567],{"class":444},[434,1222,1223],{"class":451},"\"Welcome!\"",[434,1225,649],{"class":444},[434,1227,1228],{"class":436,"line":465},[434,1229,1230],{"class":444},"}\n",[749,1232,1233],{"id":609},[431,1234,609],{},[404,1236,1237],{},"Called when a message is received from a peer.",[424,1239,1241],{"className":426,"code":1240,"language":429,"meta":5,"style":5},"message(peer, message) {\n  const text = message.text();\n  const data = message.json();\n}\n",[431,1242,1243,1250,1268,1284],{"__ignoreMap":5},[434,1244,1245,1247],{"class":436,"line":437},[434,1246,609],{"class":474},[434,1248,1249],{"class":444},"(peer, message) {\n",[434,1251,1252,1255,1258,1260,1263,1265],{"class":436,"line":458},[434,1253,1254],{"class":440},"  const",[434,1256,1257],{"class":493}," text",[434,1259,780],{"class":440},[434,1261,1262],{"class":444}," message.",[434,1264,629],{"class":474},[434,1266,1267],{"class":444},"();\n",[434,1269,1270,1272,1275,1277,1279,1282],{"class":436,"line":465},[434,1271,1254],{"class":440},[434,1273,1274],{"class":493}," data",[434,1276,780],{"class":440},[434,1278,1262],{"class":444},[434,1280,1281],{"class":474},"json",[434,1283,1267],{"class":444},[434,1285,1286],{"class":436,"line":481},[434,1287,1230],{"class":444},[749,1289,1291],{"id":1290},"close",[431,1292,1290],{},[404,1294,1295,1296,1298,1299,1301,1302,747],{},"Called when a WebSocket connection is closed. Receives a ",[431,1297,669],{}," object with optional ",[431,1300,431],{}," and ",[431,1303,1304],{},"reason",[424,1306,1308],{"className":426,"code":1307,"language":429,"meta":5,"style":5},"close(peer, details) {\n  console.log(`Closed: ${details.code} - ${details.reason}`);\n}\n",[431,1309,1310,1317,1348],{"__ignoreMap":5},[434,1311,1312,1314],{"class":436,"line":437},[434,1313,1290],{"class":474},[434,1315,1316],{"class":444},"(peer, details) {\n",[434,1318,1319,1321,1323,1325,1328,1330,1332,1334,1337,1339,1341,1343,1346],{"class":436,"line":458},[434,1320,824],{"class":444},[434,1322,582],{"class":474},[434,1324,567],{"class":444},[434,1326,1327],{"class":451},"`Closed: ${",[434,1329,669],{"class":444},[434,1331,747],{"class":451},[434,1333,431],{"class":444},[434,1335,1336],{"class":451},"} - ${",[434,1338,669],{"class":444},[434,1340,747],{"class":451},[434,1342,1304],{"class":444},[434,1344,1345],{"class":451},"}`",[434,1347,649],{"class":444},[434,1349,1350],{"class":436,"line":465},[434,1351,1230],{"class":444},[749,1353,1354],{"id":706},[431,1355,706],{},[404,1357,1358],{},"Called when an error occurs on the WebSocket connection.",[424,1360,1362],{"className":426,"code":1361,"language":429,"meta":5,"style":5},"error(peer, error) {\n  console.error(\"WebSocket error:\", error);\n}\n",[431,1363,1364,1371,1384],{"__ignoreMap":5},[434,1365,1366,1368],{"class":436,"line":437},[434,1367,706],{"class":474},[434,1369,1370],{"class":444},"(peer, error) {\n",[434,1372,1373,1375,1377,1379,1382],{"class":436,"line":458},[434,1374,824],{"class":444},[434,1376,706],{"class":474},[434,1378,567],{"class":444},[434,1380,1381],{"class":451},"\"WebSocket error:\"",[434,1383,723],{"class":444},[434,1385,1386],{"class":436,"line":465},[434,1387,1230],{"class":444},[413,1389,1390],{"id":571},"Peer",[404,1392,1110,1393,1395,1396,747],{},[431,1394,571],{}," object represents a connected WebSocket client. It is available in all hooks except ",[431,1397,907],{},[749,1399,1401],{"id":1400},"properties","Properties",[1115,1403,1404,1414],{},[1118,1405,1406],{},[1121,1407,1408,1410,1412],{},[1124,1409,1126],{},[1124,1411,1129],{},[1124,1413,1132],{},[1134,1415,1416,1430,1443,1458,1472,1487,1502,1517],{},[1121,1417,1418,1423,1427],{},[1139,1419,1420],{},[431,1421,1422],{},"id",[1139,1424,1425],{},[431,1426,1163],{},[1139,1428,1429],{},"Unique identifier for this peer",[1121,1431,1432,1436,1440],{},[1139,1433,1434],{},[431,1435,1158],{},[1139,1437,1438],{},[431,1439,1163],{},[1139,1441,1442],{},"Pub/sub namespace this peer belongs to",[1121,1444,1445,1449,1453],{},[1139,1446,1447],{},[431,1448,1173],{},[1139,1450,1451],{},[431,1452,1178],{},[1139,1454,1455,1456],{},"Arbitrary context data set during ",[431,1457,907],{},[1121,1459,1460,1464,1469],{},[1139,1461,1462],{},[431,1463,953],{},[1139,1465,1466],{},[431,1467,1468],{},"Request",[1139,1470,1471],{},"The original upgrade request",[1121,1473,1474,1479,1484],{},[1139,1475,1476],{},[431,1477,1478],{},"peers",[1139,1480,1481],{},[431,1482,1483],{},"Set\u003CPeer>",[1139,1485,1486],{},"All connected peers in the same namespace",[1121,1488,1489,1494,1499],{},[1139,1490,1491],{},[431,1492,1493],{},"topics",[1139,1495,1496],{},[431,1497,1498],{},"Set\u003Cstring>",[1139,1500,1501],{},"Topics this peer is subscribed to",[1121,1503,1504,1509,1514],{},[1139,1505,1506],{},[431,1507,1508],{},"remoteAddress",[1139,1510,1511],{},[431,1512,1513],{},"string?",[1139,1515,1516],{},"Client IP address (adapter-dependent)",[1121,1518,1519,1524,1528],{},[1139,1520,1521],{},[431,1522,1523],{},"websocket",[1139,1525,1526],{},[431,1527,63],{},[1139,1529,1530],{},"The underlying WebSocket instance",[749,1532,1534],{"id":1533},"methods","Methods",[1536,1537,1539],"h4",{"id":1538},"peersenddata-options",[431,1540,1541],{},"peer.send(data, options?)",[404,1543,1544],{},"Send a message directly to this peer. Accepts strings, objects (serialized as JSON), or binary data.",[424,1546,1548],{"className":426,"code":1547,"language":429,"meta":5,"style":5},"peer.send(\"Hello!\");\npeer.send({ type: \"greeting\", text: \"Hello!\" });\n",[431,1549,1550,1564],{"__ignoreMap":5},[434,1551,1552,1555,1557,1559,1562],{"class":436,"line":437},[434,1553,1554],{"class":444},"peer.",[434,1556,641],{"class":474},[434,1558,567],{"class":444},[434,1560,1561],{"class":451},"\"Hello!\"",[434,1563,649],{"class":444},[434,1565,1566,1568,1570,1573,1576,1579,1581],{"class":436,"line":458},[434,1567,1554],{"class":444},[434,1569,641],{"class":474},[434,1571,1572],{"class":444},"({ type: ",[434,1574,1575],{"class":451},"\"greeting\"",[434,1577,1578],{"class":444},", text: ",[434,1580,1561],{"class":451},[434,1582,1036],{"class":444},[1536,1584,1586],{"id":1585},"peersubscribetopic",[431,1587,1588],{},"peer.subscribe(topic)",[404,1590,1591],{},"Subscribe this peer to a pub/sub topic.",[424,1593,1595],{"className":426,"code":1594,"language":429,"meta":5,"style":5},"peer.subscribe(\"notifications\");\n",[431,1596,1597],{"__ignoreMap":5},[434,1598,1599,1601,1604,1606,1609],{"class":436,"line":437},[434,1600,1554],{"class":444},[434,1602,1603],{"class":474},"subscribe",[434,1605,567],{"class":444},[434,1607,1608],{"class":451},"\"notifications\"",[434,1610,649],{"class":444},[1536,1612,1614],{"id":1613},"peerunsubscribetopic",[431,1615,1616],{},"peer.unsubscribe(topic)",[404,1618,1619],{},"Unsubscribe this peer from a topic.",[424,1621,1623],{"className":426,"code":1622,"language":429,"meta":5,"style":5},"peer.unsubscribe(\"notifications\");\n",[431,1624,1625],{"__ignoreMap":5},[434,1626,1627,1629,1632,1634,1636],{"class":436,"line":437},[434,1628,1554],{"class":444},[434,1630,1631],{"class":474},"unsubscribe",[434,1633,567],{"class":444},[434,1635,1608],{"class":451},[434,1637,649],{"class":444},[1536,1639,1641],{"id":1640},"peerpublishtopic-data-options",[431,1642,1643],{},"peer.publish(topic, data, options?)",[404,1645,1646,1647,1651],{},"Broadcast a message to all peers subscribed to a topic within the same namespace. The publishing peer does ",[1648,1649,1650],"strong",{},"not"," receive the message.",[424,1653,1655],{"className":426,"code":1654,"language":429,"meta":5,"style":5},"peer.publish(\"chat\", { user: \"Alice\", text: \"Hello everyone!\" });\n",[431,1656,1657],{"__ignoreMap":5},[434,1658,1659,1661,1664,1666,1669,1672,1675,1677,1680],{"class":436,"line":437},[434,1660,1554],{"class":444},[434,1662,1663],{"class":474},"publish",[434,1665,567],{"class":444},[434,1667,1668],{"class":451},"\"chat\"",[434,1670,1671],{"class":444},", { user: ",[434,1673,1674],{"class":451},"\"Alice\"",[434,1676,1578],{"class":444},[434,1678,1679],{"class":451},"\"Hello everyone!\"",[434,1681,1036],{"class":444},[1536,1683,1685],{"id":1684},"peerclosecode-reason",[431,1686,1687],{},"peer.close(code?, reason?)",[404,1689,1690],{},"Gracefully close the WebSocket connection.",[424,1692,1694],{"className":426,"code":1693,"language":429,"meta":5,"style":5},"peer.close(1000, \"Normal closure\");\n",[431,1695,1696],{"__ignoreMap":5},[434,1697,1698,1700,1702,1704,1707,1709,1712],{"class":436,"line":437},[434,1699,1554],{"class":444},[434,1701,1290],{"class":474},[434,1703,567],{"class":444},[434,1705,1706],{"class":493},"1000",[434,1708,606],{"class":444},[434,1710,1711],{"class":451},"\"Normal closure\"",[434,1713,649],{"class":444},[1536,1715,1717],{"id":1716},"peerterminate",[431,1718,1719],{},"peer.terminate()",[404,1721,1722],{},"Immediately terminate the connection without sending a close frame.",[413,1724,1726],{"id":1725},"message-1","Message",[404,1728,1110,1729,1731,1732,1734],{},[431,1730,609],{}," object in the ",[431,1733,609],{}," hook provides methods to read the incoming data in different formats.",[1115,1736,1737,1749],{},[1118,1738,1739],{},[1121,1740,1741,1744,1747],{},[1124,1742,1743],{},"Method",[1124,1745,1746],{},"Return Type",[1124,1748,1132],{},[1134,1750,1751,1765,1780,1795,1810],{},[1121,1752,1753,1758,1762],{},[1139,1754,1755],{},[431,1756,1757],{},"text()",[1139,1759,1760],{},[431,1761,1163],{},[1139,1763,1764],{},"Message as a UTF-8 string",[1121,1766,1767,1772,1777],{},[1139,1768,1769],{},[431,1770,1771],{},"json()",[1139,1773,1774],{},[431,1775,1776],{},"T",[1139,1778,1779],{},"Message parsed as JSON",[1121,1781,1782,1787,1792],{},[1139,1783,1784],{},[431,1785,1786],{},"uint8Array()",[1139,1788,1789],{},[431,1790,1791],{},"Uint8Array",[1139,1793,1794],{},"Message as a byte array",[1121,1796,1797,1802,1807],{},[1139,1798,1799],{},[431,1800,1801],{},"arrayBuffer()",[1139,1803,1804],{},[431,1805,1806],{},"ArrayBuffer",[1139,1808,1809],{},"Message as an ArrayBuffer",[1121,1811,1812,1817,1822],{},[1139,1813,1814],{},[431,1815,1816],{},"blob()",[1139,1818,1819],{},[431,1820,1821],{},"Blob",[1139,1823,1824],{},"Message as a Blob",[424,1826,1828],{"className":426,"code":1827,"language":429,"meta":5,"style":5},"message(peer, message) {\n  // Parse as text\n  const text = message.text();\n\n  // Parse as typed JSON\n  const data = message.json\u003C{ type: string; payload: unknown }>();\n}\n",[431,1829,1830,1836,1841,1855,1859,1864,1902],{"__ignoreMap":5},[434,1831,1832,1834],{"class":436,"line":437},[434,1833,609],{"class":474},[434,1835,1249],{"class":444},[434,1837,1838],{"class":436,"line":458},[434,1839,1840],{"class":1101},"  // Parse as text\n",[434,1842,1843,1845,1847,1849,1851,1853],{"class":436,"line":465},[434,1844,1254],{"class":440},[434,1846,1257],{"class":493},[434,1848,780],{"class":440},[434,1850,1262],{"class":444},[434,1852,629],{"class":474},[434,1854,1267],{"class":444},[434,1856,1857],{"class":436,"line":481},[434,1858,462],{"emptyLinePlaceholder":461},[434,1860,1861],{"class":436,"line":487},[434,1862,1863],{"class":1101},"  // Parse as typed JSON\n",[434,1865,1866,1868,1870,1872,1874,1876,1879,1882,1885,1888,1891,1894,1896,1899],{"class":436,"line":500},[434,1867,1254],{"class":440},[434,1869,1274],{"class":493},[434,1871,780],{"class":440},[434,1873,1262],{"class":444},[434,1875,1281],{"class":474},[434,1877,1878],{"class":444},"\u003C{ ",[434,1880,1881],{"class":570},"type",[434,1883,1884],{"class":440},":",[434,1886,1887],{"class":493}," string",[434,1889,1890],{"class":444},"; ",[434,1892,1893],{"class":570},"payload",[434,1895,1884],{"class":440},[434,1897,1898],{"class":493}," unknown",[434,1900,1901],{"class":444}," }>();\n",[434,1903,1904],{"class":436,"line":506},[434,1905,1230],{"class":444},[413,1907,1909],{"id":1908},"pubsub","Pub/Sub",[404,1911,1912],{},"Pub/sub (publish/subscribe) enables broadcasting messages to groups of connected peers through topics. Peers subscribe to topics and receive messages published to those topics.",[424,1914,1916],{"className":426,"code":1915,"filename":742,"language":429,"meta":5,"style":5},"import { defineWebSocketHandler } from \"nitro\";\n\nexport default defineWebSocketHandler({\n  open(peer) {\n    peer.subscribe(\"chat\");\n    peer.publish(\"chat\", { system: `${peer} joined the chat` });\n    peer.send({ system: \"Welcome to the chat!\" });\n  },\n  message(peer, message) {\n    // Broadcast to all other subscribers\n    peer.publish(\"chat\", {\n      user: peer.toString(),\n      text: message.text(),\n    });\n    // Echo back to sender\n    peer.send({ user: \"You\", text: message.text() });\n  },\n  close(peer) {\n    peer.publish(\"chat\", { system: `${peer} left the chat` });\n  },\n});\n",[431,1917,1918,1930,1934,1944,1954,1966,1989,2003,2007,2021,2026,2039,2050,2059,2064,2069,2089,2093,2103,2125,2130],{"__ignoreMap":5},[434,1919,1920,1922,1924,1926,1928],{"class":436,"line":437},[434,1921,441],{"class":440},[434,1923,538],{"class":444},[434,1925,448],{"class":440},[434,1927,452],{"class":451},[434,1929,455],{"class":444},[434,1931,1932],{"class":436,"line":458},[434,1933,462],{"emptyLinePlaceholder":461},[434,1935,1936,1938,1940,1942],{"class":436,"line":465},[434,1937,468],{"class":440},[434,1939,471],{"class":440},[434,1941,557],{"class":474},[434,1943,478],{"class":444},[434,1945,1946,1948,1950,1952],{"class":436,"line":481},[434,1947,564],{"class":474},[434,1949,567],{"class":444},[434,1951,571],{"class":570},[434,1953,574],{"class":444},[434,1955,1956,1958,1960,1962,1964],{"class":436,"line":487},[434,1957,638],{"class":444},[434,1959,1603],{"class":474},[434,1961,567],{"class":444},[434,1963,1668],{"class":451},[434,1965,649],{"class":444},[434,1967,1968,1970,1972,1974,1976,1979,1982,1984,1987],{"class":436,"line":500},[434,1969,638],{"class":444},[434,1971,1663],{"class":474},[434,1973,567],{"class":444},[434,1975,1668],{"class":451},[434,1977,1978],{"class":444},", { system: ",[434,1980,1981],{"class":451},"`${",[434,1983,571],{"class":444},[434,1985,1986],{"class":451},"} joined the chat`",[434,1988,1036],{"class":444},[434,1990,1991,1993,1995,1998,2001],{"class":436,"line":506},[434,1992,638],{"class":444},[434,1994,641],{"class":474},[434,1996,1997],{"class":444},"({ system: ",[434,1999,2000],{"class":451},"\"Welcome to the chat!\"",[434,2002,1036],{"class":444},[434,2004,2005],{"class":436,"line":614},[434,2006,503],{"class":444},[434,2008,2009,2011,2013,2015,2017,2019],{"class":436,"line":635},[434,2010,599],{"class":474},[434,2012,567],{"class":444},[434,2014,571],{"class":570},[434,2016,606],{"class":444},[434,2018,609],{"class":570},[434,2020,574],{"class":444},[434,2022,2023],{"class":436,"line":652},[434,2024,2025],{"class":1101},"    // Broadcast to all other subscribers\n",[434,2027,2028,2030,2032,2034,2036],{"class":436,"line":657},[434,2029,638],{"class":444},[434,2031,1663],{"class":474},[434,2033,567],{"class":444},[434,2035,1668],{"class":451},[434,2037,2038],{"class":444},", {\n",[434,2040,2041,2044,2047],{"class":436,"line":674},[434,2042,2043],{"class":444},"      user: peer.",[434,2045,2046],{"class":474},"toString",[434,2048,2049],{"class":444},"(),\n",[434,2051,2052,2055,2057],{"class":436,"line":689},[434,2053,2054],{"class":444},"      text: message.",[434,2056,629],{"class":474},[434,2058,2049],{"class":444},[434,2060,2061],{"class":436,"line":694},[434,2062,2063],{"class":444},"    });\n",[434,2065,2066],{"class":436,"line":711},[434,2067,2068],{"class":1101},"    // Echo back to sender\n",[434,2070,2071,2073,2075,2078,2081,2084,2086],{"class":436,"line":726},[434,2072,638],{"class":444},[434,2074,641],{"class":474},[434,2076,2077],{"class":444},"({ user: ",[434,2079,2080],{"class":451},"\"You\"",[434,2082,2083],{"class":444},", text: message.",[434,2085,629],{"class":474},[434,2087,2088],{"class":444},"() });\n",[434,2090,2091],{"class":436,"line":731},[434,2092,503],{"class":444},[434,2094,2095,2097,2099,2101],{"class":436,"line":1105},[434,2096,660],{"class":474},[434,2098,567],{"class":444},[434,2100,571],{"class":570},[434,2102,574],{"class":444},[434,2104,2106,2108,2110,2112,2114,2116,2118,2120,2123],{"class":436,"line":2105},19,[434,2107,638],{"class":444},[434,2109,1663],{"class":474},[434,2111,567],{"class":444},[434,2113,1668],{"class":451},[434,2115,1978],{"class":444},[434,2117,1981],{"class":451},[434,2119,571],{"class":444},[434,2121,2122],{"class":451},"} left the chat`",[434,2124,1036],{"class":444},[434,2126,2128],{"class":436,"line":2127},20,[434,2129,503],{"class":444},[434,2131,2133],{"class":436,"line":2132},21,[434,2134,509],{"class":444},[2136,2137,2138],"note",{},[404,2139,2140,2143,2144,2147,2148,2151],{},[431,2141,2142],{},"peer.publish()"," sends the message to all subscribers of the topic ",[1648,2145,2146],{},"except"," the publishing peer. Use ",[431,2149,2150],{},"peer.send()"," to also send to the publisher.",[749,2153,2155],{"id":2154},"namespaces","Namespaces",[404,2157,2158,2159,2161],{},"Namespaces provide isolated pub/sub groups for WebSocket connections. Each peer belongs to one namespace, and ",[431,2160,2142],{}," only broadcasts to peers within the same namespace.",[404,2163,2164,2165,2169],{},"By default, the namespace is derived from the request URL pathname. This works naturally with ",[522,2166,2168],{"href":2167},"/docs/routing#dynamic-routes","dynamic routes"," — each path gets its own isolated namespace:",[424,2171,2174],{"className":426,"code":2172,"filename":2173,"language":429,"meta":5,"style":5},"import { defineWebSocketHandler } from \"nitro\";\n\nexport default defineWebSocketHandler({\n  open(peer) {\n    peer.subscribe(\"messages\");\n    peer.publish(\"messages\", `${peer} joined ${peer.namespace}`);\n  },\n  message(peer, message) {\n    // Only reaches peers in the same room\n    peer.publish(\"messages\", `${peer}: ${message.text()}`);\n  },\n  close(peer) {\n    peer.publish(\"messages\", `${peer} left`);\n  },\n});\n","routes/rooms/[room].ts",[431,2175,2176,2188,2192,2202,2212,2225,2254,2258,2272,2277,2309,2313,2323,2344,2348],{"__ignoreMap":5},[434,2177,2178,2180,2182,2184,2186],{"class":436,"line":437},[434,2179,441],{"class":440},[434,2181,538],{"class":444},[434,2183,448],{"class":440},[434,2185,452],{"class":451},[434,2187,455],{"class":444},[434,2189,2190],{"class":436,"line":458},[434,2191,462],{"emptyLinePlaceholder":461},[434,2193,2194,2196,2198,2200],{"class":436,"line":465},[434,2195,468],{"class":440},[434,2197,471],{"class":440},[434,2199,557],{"class":474},[434,2201,478],{"class":444},[434,2203,2204,2206,2208,2210],{"class":436,"line":481},[434,2205,564],{"class":474},[434,2207,567],{"class":444},[434,2209,571],{"class":570},[434,2211,574],{"class":444},[434,2213,2214,2216,2218,2220,2223],{"class":436,"line":487},[434,2215,638],{"class":444},[434,2217,1603],{"class":474},[434,2219,567],{"class":444},[434,2221,2222],{"class":451},"\"messages\"",[434,2224,649],{"class":444},[434,2226,2227,2229,2231,2233,2235,2237,2239,2241,2244,2246,2248,2250,2252],{"class":436,"line":500},[434,2228,638],{"class":444},[434,2230,1663],{"class":474},[434,2232,567],{"class":444},[434,2234,2222],{"class":451},[434,2236,606],{"class":444},[434,2238,1981],{"class":451},[434,2240,571],{"class":444},[434,2242,2243],{"class":451},"} joined ${",[434,2245,571],{"class":444},[434,2247,747],{"class":451},[434,2249,1158],{"class":444},[434,2251,1345],{"class":451},[434,2253,649],{"class":444},[434,2255,2256],{"class":436,"line":506},[434,2257,503],{"class":444},[434,2259,2260,2262,2264,2266,2268,2270],{"class":436,"line":614},[434,2261,599],{"class":474},[434,2263,567],{"class":444},[434,2265,571],{"class":570},[434,2267,606],{"class":444},[434,2269,609],{"class":570},[434,2271,574],{"class":444},[434,2273,2274],{"class":436,"line":635},[434,2275,2276],{"class":1101},"    // Only reaches peers in the same room\n",[434,2278,2279,2281,2283,2285,2287,2289,2291,2293,2296,2298,2300,2302,2305,2307],{"class":436,"line":652},[434,2280,638],{"class":444},[434,2282,1663],{"class":474},[434,2284,567],{"class":444},[434,2286,2222],{"class":451},[434,2288,606],{"class":444},[434,2290,1981],{"class":451},[434,2292,571],{"class":444},[434,2294,2295],{"class":451},"}: ${",[434,2297,609],{"class":444},[434,2299,747],{"class":451},[434,2301,629],{"class":474},[434,2303,2304],{"class":451},"()",[434,2306,1345],{"class":451},[434,2308,649],{"class":444},[434,2310,2311],{"class":436,"line":657},[434,2312,503],{"class":444},[434,2314,2315,2317,2319,2321],{"class":436,"line":674},[434,2316,660],{"class":474},[434,2318,567],{"class":444},[434,2320,571],{"class":570},[434,2322,574],{"class":444},[434,2324,2325,2327,2329,2331,2333,2335,2337,2339,2342],{"class":436,"line":689},[434,2326,638],{"class":444},[434,2328,1663],{"class":474},[434,2330,567],{"class":444},[434,2332,2222],{"class":451},[434,2334,606],{"class":444},[434,2336,1981],{"class":451},[434,2338,571],{"class":444},[434,2340,2341],{"class":451},"} left`",[434,2343,649],{"class":444},[434,2345,2346],{"class":436,"line":694},[434,2347,503],{"class":444},[434,2349,2350],{"class":436,"line":711},[434,2351,509],{"class":444},[404,2353,2354,2355,2358,2359,2362],{},"In this example, clients connecting to ",[431,2356,2357],{},"/rooms/game"," are isolated from clients connecting to ",[431,2360,2361],{},"/rooms/lobby"," — each path is its own namespace.",[404,2364,2365,2366,2368,2369,2371],{},"To override the default namespace, return a custom ",[431,2367,1158],{}," from the ",[431,2370,907],{}," hook:",[424,2373,2375],{"className":426,"code":2374,"filename":742,"language":429,"meta":5,"style":5},"import { defineWebSocketHandler } from \"nitro\";\n\nexport default defineWebSocketHandler({\n  upgrade(request) {\n    // Group connections by a query parameter instead of the pathname\n    const url = new URL(request.url);\n    const channel = url.searchParams.get(\"channel\") || \"general\";\n    return {\n      namespace: `chat:${channel}`,\n    };\n  },\n  open(peer) {\n    peer.subscribe(\"messages\");\n    peer.publish(\"messages\", `${peer} joined`);\n  },\n  message(peer, message) {\n    peer.publish(\"messages\", `${peer}: ${message.text()}`);\n  },\n  close(peer) {\n    peer.publish(\"messages\", `${peer} left`);\n  },\n});\n",[431,2376,2377,2389,2393,2403,2413,2418,2432,2460,2466,2481,2485,2489,2499,2511,2532,2536,2550,2580,2584,2594,2614,2618],{"__ignoreMap":5},[434,2378,2379,2381,2383,2385,2387],{"class":436,"line":437},[434,2380,441],{"class":440},[434,2382,538],{"class":444},[434,2384,448],{"class":440},[434,2386,452],{"class":451},[434,2388,455],{"class":444},[434,2390,2391],{"class":436,"line":458},[434,2392,462],{"emptyLinePlaceholder":461},[434,2394,2395,2397,2399,2401],{"class":436,"line":465},[434,2396,468],{"class":440},[434,2398,471],{"class":440},[434,2400,557],{"class":474},[434,2402,478],{"class":444},[434,2404,2405,2407,2409,2411],{"class":436,"line":481},[434,2406,948],{"class":474},[434,2408,567],{"class":444},[434,2410,953],{"class":570},[434,2412,574],{"class":444},[434,2414,2415],{"class":436,"line":487},[434,2416,2417],{"class":1101},"    // Group connections by a query parameter instead of the pathname\n",[434,2419,2420,2422,2424,2426,2428,2430],{"class":436,"line":500},[434,2421,960],{"class":440},[434,2423,963],{"class":493},[434,2425,780],{"class":440},[434,2427,783],{"class":440},[434,2429,970],{"class":474},[434,2431,973],{"class":444},[434,2433,2434,2436,2439,2441,2443,2445,2447,2450,2452,2455,2458],{"class":436,"line":506},[434,2435,960],{"class":440},[434,2437,2438],{"class":493}," channel",[434,2440,780],{"class":440},[434,2442,985],{"class":444},[434,2444,988],{"class":474},[434,2446,567],{"class":444},[434,2448,2449],{"class":451},"\"channel\"",[434,2451,875],{"class":444},[434,2453,2454],{"class":440},"||",[434,2456,2457],{"class":451}," \"general\"",[434,2459,455],{"class":444},[434,2461,2462,2464],{"class":436,"line":614},[434,2463,1046],{"class":440},[434,2465,819],{"class":444},[434,2467,2468,2471,2474,2477,2479],{"class":436,"line":635},[434,2469,2470],{"class":444},"      namespace: ",[434,2472,2473],{"class":451},"`chat:${",[434,2475,2476],{"class":444},"channel",[434,2478,1345],{"class":451},[434,2480,497],{"class":444},[434,2482,2483],{"class":436,"line":652},[434,2484,1064],{"class":444},[434,2486,2487],{"class":436,"line":657},[434,2488,503],{"class":444},[434,2490,2491,2493,2495,2497],{"class":436,"line":674},[434,2492,564],{"class":474},[434,2494,567],{"class":444},[434,2496,571],{"class":570},[434,2498,574],{"class":444},[434,2500,2501,2503,2505,2507,2509],{"class":436,"line":689},[434,2502,638],{"class":444},[434,2504,1603],{"class":474},[434,2506,567],{"class":444},[434,2508,2222],{"class":451},[434,2510,649],{"class":444},[434,2512,2513,2515,2517,2519,2521,2523,2525,2527,2530],{"class":436,"line":694},[434,2514,638],{"class":444},[434,2516,1663],{"class":474},[434,2518,567],{"class":444},[434,2520,2222],{"class":451},[434,2522,606],{"class":444},[434,2524,1981],{"class":451},[434,2526,571],{"class":444},[434,2528,2529],{"class":451},"} joined`",[434,2531,649],{"class":444},[434,2533,2534],{"class":436,"line":711},[434,2535,503],{"class":444},[434,2537,2538,2540,2542,2544,2546,2548],{"class":436,"line":726},[434,2539,599],{"class":474},[434,2541,567],{"class":444},[434,2543,571],{"class":570},[434,2545,606],{"class":444},[434,2547,609],{"class":570},[434,2549,574],{"class":444},[434,2551,2552,2554,2556,2558,2560,2562,2564,2566,2568,2570,2572,2574,2576,2578],{"class":436,"line":731},[434,2553,638],{"class":444},[434,2555,1663],{"class":474},[434,2557,567],{"class":444},[434,2559,2222],{"class":451},[434,2561,606],{"class":444},[434,2563,1981],{"class":451},[434,2565,571],{"class":444},[434,2567,2295],{"class":451},[434,2569,609],{"class":444},[434,2571,747],{"class":451},[434,2573,629],{"class":474},[434,2575,2304],{"class":451},[434,2577,1345],{"class":451},[434,2579,649],{"class":444},[434,2581,2582],{"class":436,"line":1105},[434,2583,503],{"class":444},[434,2585,2586,2588,2590,2592],{"class":436,"line":2105},[434,2587,660],{"class":474},[434,2589,567],{"class":444},[434,2591,571],{"class":570},[434,2593,574],{"class":444},[434,2595,2596,2598,2600,2602,2604,2606,2608,2610,2612],{"class":436,"line":2127},[434,2597,638],{"class":444},[434,2599,1663],{"class":474},[434,2601,567],{"class":444},[434,2603,2222],{"class":451},[434,2605,606],{"class":444},[434,2607,1981],{"class":451},[434,2609,571],{"class":444},[434,2611,2341],{"class":451},[434,2613,649],{"class":444},[434,2615,2616],{"class":436,"line":2132},[434,2617,503],{"class":444},[434,2619,2621],{"class":436,"line":2620},22,[434,2622,509],{"class":444},[413,2624,2626],{"id":2625},"server-sent-events-sse","Server-Sent Events (SSE)",[404,2628,2629,2634],{},[522,2630,2633],{"href":2631,"rel":2632},"https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events",[760],"Server-Sent Events"," provide a simpler alternative when you only need server-to-client streaming. Unlike WebSockets, SSE uses standard HTTP and supports automatic reconnection.",[424,2636,2639],{"className":426,"code":2637,"filename":2638,"language":429,"meta":5,"style":5},"import { defineHandler } from \"nitro\";\nimport { createEventStream } from \"nitro/h3\";\n\nexport default defineHandler((event) => {\n  const stream = createEventStream(event);\n\n  const interval = setInterval(async () => {\n    await stream.push(`Message @ ${new Date().toLocaleTimeString()}`);\n  }, 1000);\n\n  stream.onClosed(() => {\n    clearInterval(interval);\n  });\n\n  return stream.send();\n});\n","routes/sse.ts",[431,2640,2641,2654,2668,2672,2692,2707,2711,2735,2769,2778,2782,2797,2805,2810,2814,2825],{"__ignoreMap":5},[434,2642,2643,2645,2648,2650,2652],{"class":436,"line":437},[434,2644,441],{"class":440},[434,2646,2647],{"class":444}," { defineHandler } ",[434,2649,448],{"class":440},[434,2651,452],{"class":451},[434,2653,455],{"class":444},[434,2655,2656,2658,2661,2663,2666],{"class":436,"line":458},[434,2657,441],{"class":440},[434,2659,2660],{"class":444}," { createEventStream } ",[434,2662,448],{"class":440},[434,2664,2665],{"class":451}," \"nitro/h3\"",[434,2667,455],{"class":444},[434,2669,2670],{"class":436,"line":465},[434,2671,462],{"emptyLinePlaceholder":461},[434,2673,2674,2676,2678,2681,2684,2686,2688,2690],{"class":436,"line":481},[434,2675,468],{"class":440},[434,2677,471],{"class":440},[434,2679,2680],{"class":474}," defineHandler",[434,2682,2683],{"class":444},"((",[434,2685,872],{"class":570},[434,2687,875],{"class":444},[434,2689,816],{"class":440},[434,2691,819],{"class":444},[434,2693,2694,2696,2699,2701,2704],{"class":436,"line":487},[434,2695,1254],{"class":440},[434,2697,2698],{"class":493}," stream",[434,2700,780],{"class":440},[434,2702,2703],{"class":474}," createEventStream",[434,2705,2706],{"class":444},"(event);\n",[434,2708,2709],{"class":436,"line":500},[434,2710,462],{"emptyLinePlaceholder":461},[434,2712,2713,2715,2718,2720,2723,2725,2728,2731,2733],{"class":436,"line":506},[434,2714,1254],{"class":440},[434,2716,2717],{"class":493}," interval",[434,2719,780],{"class":440},[434,2721,2722],{"class":474}," setInterval",[434,2724,567],{"class":444},[434,2726,2727],{"class":440},"async",[434,2729,2730],{"class":444}," () ",[434,2732,816],{"class":440},[434,2734,819],{"class":444},[434,2736,2737,2740,2743,2746,2748,2751,2754,2757,2760,2763,2765,2767],{"class":436,"line":614},[434,2738,2739],{"class":440},"    await",[434,2741,2742],{"class":444}," stream.",[434,2744,2745],{"class":474},"push",[434,2747,567],{"class":444},[434,2749,2750],{"class":451},"`Message @ ${",[434,2752,2753],{"class":440},"new",[434,2755,2756],{"class":474}," Date",[434,2758,2759],{"class":451},"().",[434,2761,2762],{"class":474},"toLocaleTimeString",[434,2764,2304],{"class":451},[434,2766,1345],{"class":451},[434,2768,649],{"class":444},[434,2770,2771,2774,2776],{"class":436,"line":635},[434,2772,2773],{"class":444},"  }, ",[434,2775,1706],{"class":493},[434,2777,649],{"class":444},[434,2779,2780],{"class":436,"line":652},[434,2781,462],{"emptyLinePlaceholder":461},[434,2783,2784,2787,2790,2793,2795],{"class":436,"line":657},[434,2785,2786],{"class":444},"  stream.",[434,2788,2789],{"class":474},"onClosed",[434,2791,2792],{"class":444},"(() ",[434,2794,816],{"class":440},[434,2796,819],{"class":444},[434,2798,2799,2802],{"class":436,"line":674},[434,2800,2801],{"class":474},"    clearInterval",[434,2803,2804],{"class":444},"(interval);\n",[434,2806,2807],{"class":436,"line":689},[434,2808,2809],{"class":444},"  });\n",[434,2811,2812],{"class":436,"line":694},[434,2813,462],{"emptyLinePlaceholder":461},[434,2815,2816,2819,2821,2823],{"class":436,"line":711},[434,2817,2818],{"class":440},"  return",[434,2820,2742],{"class":444},[434,2822,641],{"class":474},[434,2824,1267],{"class":444},[434,2826,2827],{"class":436,"line":726},[434,2828,509],{"class":444},[404,2830,2831,2832,1884],{},"Connect from the client using the ",[522,2833,2836],{"href":2834,"rel":2835},"https://developer.mozilla.org/en-US/docs/Web/API/EventSource",[760],"EventSource API",[424,2838,2840],{"className":765,"code":2839,"language":767,"meta":5,"style":5},"const source = new EventSource(\"/sse\");\n\nsource.onmessage = (event) => {\n  console.log(event.data);\n};\n",[431,2841,2842,2863,2867,2887,2896],{"__ignoreMap":5},[434,2843,2844,2846,2849,2851,2853,2856,2858,2861],{"class":436,"line":437},[434,2845,774],{"class":440},[434,2847,2848],{"class":493}," source",[434,2850,780],{"class":440},[434,2852,783],{"class":440},[434,2854,2855],{"class":474}," EventSource",[434,2857,567],{"class":444},[434,2859,2860],{"class":451},"\"/sse\"",[434,2862,649],{"class":444},[434,2864,2865],{"class":436,"line":458},[434,2866,462],{"emptyLinePlaceholder":461},[434,2868,2869,2872,2875,2877,2879,2881,2883,2885],{"class":436,"line":465},[434,2870,2871],{"class":444},"source.",[434,2873,2874],{"class":474},"onmessage",[434,2876,780],{"class":440},[434,2878,1003],{"class":444},[434,2880,872],{"class":570},[434,2882,875],{"class":444},[434,2884,816],{"class":440},[434,2886,819],{"class":444},[434,2888,2889,2891,2893],{"class":436,"line":481},[434,2890,824],{"class":444},[434,2892,582],{"class":474},[434,2894,2895],{"class":444},"(event.data);\n",[434,2897,2898],{"class":436,"line":487},[434,2899,2900],{"class":444},"};\n",[749,2902,2904],{"id":2903},"structured-messages","Structured messages",[404,2906,2907,2908,606,2910,2912,2913,2916],{},"SSE messages support optional ",[431,2909,1422],{},[431,2911,872],{},", and ",[431,2914,2915],{},"retry"," fields:",[424,2918,2921],{"className":426,"code":2919,"filename":2920,"language":429,"meta":5,"style":5},"import { defineHandler } from \"nitro\";\nimport { createEventStream } from \"nitro/h3\";\n\nexport default defineHandler((event) => {\n  const stream = createEventStream(event);\n  let id = 0;\n\n  const interval = setInterval(async () => {\n    await stream.push({\n      id: String(id++),\n      event: \"update\",\n      data: JSON.stringify({ value: Math.random() }),\n      retry: 3000,\n    });\n  }, 1000);\n\n  stream.onClosed(() => {\n    clearInterval(interval);\n  });\n\n  return stream.send();\n});\n","routes/events.ts",[431,2922,2923,2935,2947,2951,2969,2981,2997,3001,3021,3031,3048,3058,3080,3090,3094,3102,3106,3118,3124,3128,3132,3142],{"__ignoreMap":5},[434,2924,2925,2927,2929,2931,2933],{"class":436,"line":437},[434,2926,441],{"class":440},[434,2928,2647],{"class":444},[434,2930,448],{"class":440},[434,2932,452],{"class":451},[434,2934,455],{"class":444},[434,2936,2937,2939,2941,2943,2945],{"class":436,"line":458},[434,2938,441],{"class":440},[434,2940,2660],{"class":444},[434,2942,448],{"class":440},[434,2944,2665],{"class":451},[434,2946,455],{"class":444},[434,2948,2949],{"class":436,"line":465},[434,2950,462],{"emptyLinePlaceholder":461},[434,2952,2953,2955,2957,2959,2961,2963,2965,2967],{"class":436,"line":481},[434,2954,468],{"class":440},[434,2956,471],{"class":440},[434,2958,2680],{"class":474},[434,2960,2683],{"class":444},[434,2962,872],{"class":570},[434,2964,875],{"class":444},[434,2966,816],{"class":440},[434,2968,819],{"class":444},[434,2970,2971,2973,2975,2977,2979],{"class":436,"line":487},[434,2972,1254],{"class":440},[434,2974,2698],{"class":493},[434,2976,780],{"class":440},[434,2978,2703],{"class":474},[434,2980,2706],{"class":444},[434,2982,2983,2986,2989,2992,2995],{"class":436,"line":500},[434,2984,2985],{"class":440}," 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