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here!","\u002Fblog\u002Fv3-beta","9.blog\u002F1.v3-beta",{"title":5,"path":443,"stem":444},"\u002F","index",{"id":446,"title":68,"body":447,"description":3290,"extension":3291,"meta":3292,"navigation":3293,"path":69,"seo":3294,"stem":70,"__hash__":3295},"content\u002F1.docs\u002F50.websocket.md",{"type":448,"value":449,"toc":3266,"icon":71},"minimark",[450,454,466,471,476,479,569,573,584,792,805,810,820,955,959,962,967,970,1165,1171,1278,1285,1290,1293,1324,1328,1331,1381,1386,1398,1445,1449,1452,1481,1503,1506,1513,1517,1646,1650,1657,1660,1698,1704,1707,1726,1732,1735,1753,1759,1767,1797,1803,1806,1829,1835,1838,1842,1850,1940,2021,2025,2028,2250,2266,2270,2276,2284,2466,2477,2486,2737,2741,2748,2942,2950,3014,3018,3029,3258,3262],[451,452,453],"p",{},"WebSocket enables real-time, bidirectional communication between client and server. Nitro's WebSocket integration works across all supported deployment targets including Node.js, Bun, Deno, and Cloudflare Workers.",[455,456,457],"tip",{},[451,458,459,460,465],{},"If you only need one-way server-to-client updates (notifications, live feeds), consider ",[461,462,464],"a",{"href":463},"#server-sent-events-sse","Server-Sent Events"," instead — they use plain HTTP and reconnect automatically.",[467,468],"read-more",{"title":469,"to":470},"CrossWS Documentation","https:\u002F\u002Fcrossws.h3.dev\u002F",[472,473,475],"h2",{"id":474},"enable-websocket","Enable WebSocket",[451,477,478],{},"Enable WebSocket support in your Nitro configuration:",[480,481,482],"code-group",{},[483,484,489],"pre",{"className":485,"code":486,"filename":487,"language":488,"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",[490,491,492,515,522,538,544,557,563],"code",{"__ignoreMap":5},[493,494,497,501,505,508,512],"span",{"class":495,"line":496},"line",1,[493,498,500],{"class":499},"so5gQ","import",[493,502,504],{"class":503},"slsVL"," { defineConfig } ",[493,506,507],{"class":499},"from",[493,509,511],{"class":510},"sfrk1"," \"nitro\"",[493,513,514],{"class":503},";\n",[493,516,518],{"class":495,"line":517},2,[493,519,521],{"emptyLinePlaceholder":520},true,"\n",[493,523,525,528,531,535],{"class":495,"line":524},3,[493,526,527],{"class":499},"export",[493,529,530],{"class":499}," default",[493,532,534],{"class":533},"shcOC"," defineConfig",[493,536,537],{"class":503},"({\n",[493,539,541],{"class":495,"line":540},4,[493,542,543],{"class":503},"  features: {\n",[493,545,547,550,554],{"class":495,"line":546},5,[493,548,549],{"class":503},"    websocket: ",[493,551,553],{"class":552},"suiK_","true",[493,555,556],{"class":503},",\n",[493,558,560],{"class":495,"line":559},6,[493,561,562],{"class":503},"  },\n",[493,564,566],{"class":495,"line":565},7,[493,567,568],{"class":503},"});\n",[472,570,572],{"id":571},"usage","Usage",[451,574,575,576,579,580,583],{},"Create a WebSocket handler using ",[490,577,578],{},"defineWebSocketHandler"," and export it from a route file. WebSocket handlers follow the same ",[461,581,582],{"href":24},"file-based routing"," as regular request handlers.",[483,585,588],{"className":485,"code":586,"filename":587,"language":488,"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\u002F_ws.ts",[490,589,590,603,607,618,633,649,653,670,691,708,713,730,745,750,767,782,787],{"__ignoreMap":5},[493,591,592,594,597,599,601],{"class":495,"line":496},[493,593,500],{"class":499},[493,595,596],{"class":503}," { defineWebSocketHandler } ",[493,598,507],{"class":499},[493,600,511],{"class":510},[493,602,514],{"class":503},[493,604,605],{"class":495,"line":517},[493,606,521],{"emptyLinePlaceholder":520},[493,608,609,611,613,616],{"class":495,"line":524},[493,610,527],{"class":499},[493,612,530],{"class":499},[493,614,615],{"class":533}," defineWebSocketHandler",[493,617,537],{"class":503},[493,619,620,623,626,630],{"class":495,"line":540},[493,621,622],{"class":533},"  open",[493,624,625],{"class":503},"(",[493,627,629],{"class":628},"sQHwn","peer",[493,631,632],{"class":503},") {\n",[493,634,635,638,641,643,646],{"class":495,"line":546},[493,636,637],{"class":503},"    console.",[493,639,640],{"class":533},"log",[493,642,625],{"class":503},[493,644,645],{"class":510},"\"Connected:\"",[493,647,648],{"class":503},", peer.id);\n",[493,650,651],{"class":495,"line":559},[493,652,562],{"class":503},[493,654,655,658,660,662,665,668],{"class":495,"line":565},[493,656,657],{"class":533},"  message",[493,659,625],{"class":503},[493,661,629],{"class":628},[493,663,664],{"class":503},", ",[493,666,667],{"class":628},"message",[493,669,632],{"class":503},[493,671,673,675,677,679,682,685,688],{"class":495,"line":672},8,[493,674,637],{"class":503},[493,676,640],{"class":533},[493,678,625],{"class":503},[493,680,681],{"class":510},"\"Message:\"",[493,683,684],{"class":503},", message.",[493,686,687],{"class":533},"text",[493,689,690],{"class":503},"());\n",[493,692,694,697,700,702,705],{"class":495,"line":693},9,[493,695,696],{"class":503},"    peer.",[493,698,699],{"class":533},"send",[493,701,625],{"class":503},[493,703,704],{"class":510},"\"Hello from server!\"",[493,706,707],{"class":503},");\n",[493,709,711],{"class":495,"line":710},10,[493,712,562],{"class":503},[493,714,716,719,721,723,725,728],{"class":495,"line":715},11,[493,717,718],{"class":533},"  close",[493,720,625],{"class":503},[493,722,629],{"class":628},[493,724,664],{"class":503},[493,726,727],{"class":628},"details",[493,729,632],{"class":503},[493,731,733,735,737,739,742],{"class":495,"line":732},12,[493,734,637],{"class":503},[493,736,640],{"class":533},[493,738,625],{"class":503},[493,740,741],{"class":510},"\"Disconnected:\"",[493,743,744],{"class":503},", peer.id, details.code, details.reason);\n",[493,746,748],{"class":495,"line":747},13,[493,749,562],{"class":503},[493,751,753,756,758,760,762,765],{"class":495,"line":752},14,[493,754,755],{"class":533},"  error",[493,757,625],{"class":503},[493,759,629],{"class":628},[493,761,664],{"class":503},[493,763,764],{"class":628},"error",[493,766,632],{"class":503},[493,768,770,772,774,776,779],{"class":495,"line":769},15,[493,771,637],{"class":503},[493,773,764],{"class":533},[493,775,625],{"class":503},[493,777,778],{"class":510},"\"Error:\"",[493,780,781],{"class":503},", error);\n",[493,783,785],{"class":495,"line":784},16,[493,786,562],{"class":503},[493,788,790],{"class":495,"line":789},17,[493,791,568],{"class":503},[455,793,794],{},[451,795,796,797,800,801,804],{},"You can use any route path for WebSocket handlers. For example, ",[490,798,799],{},"routes\u002Fchat.ts"," handles WebSocket connections on ",[490,802,803],{},"\u002Fchat",".",[806,807,809],"h3",{"id":808},"connecting-from-the-client","Connecting from the client",[451,811,812,813,819],{},"Use the browser's ",[461,814,818],{"href":815,"rel":816},"https:\u002F\u002Fdeveloper.mozilla.org\u002Fen-US\u002Fdocs\u002FWeb\u002FAPI\u002FWebSocket",[817],"nofollow","WebSocket API"," to connect:",[483,821,825],{"className":822,"code":823,"language":824,"meta":5,"style":5},"language-js shiki shiki-themes github-light github-dark github-dark","const ws = new WebSocket(\"ws:\u002F\u002Flocalhost:3000\u002F_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",[490,826,827,851,855,877,891,905,909,913,937,951],{"__ignoreMap":5},[493,828,829,832,835,838,841,844,846,849],{"class":495,"line":496},[493,830,831],{"class":499},"const",[493,833,834],{"class":552}," ws",[493,836,837],{"class":499}," =",[493,839,840],{"class":499}," new",[493,842,843],{"class":533}," WebSocket",[493,845,625],{"class":503},[493,847,848],{"class":510},"\"ws:\u002F\u002Flocalhost:3000\u002F_ws\"",[493,850,707],{"class":503},[493,852,853],{"class":495,"line":517},[493,854,521],{"emptyLinePlaceholder":520},[493,856,857,860,863,865,868,871,874],{"class":495,"line":524},[493,858,859],{"class":503},"ws.",[493,861,862],{"class":533},"addEventListener",[493,864,625],{"class":503},[493,866,867],{"class":510},"\"open\"",[493,869,870],{"class":503},", () ",[493,872,873],{"class":499},"=>",[493,875,876],{"class":503}," {\n",[493,878,879,882,884,886,889],{"class":495,"line":540},[493,880,881],{"class":503},"  console.",[493,883,640],{"class":533},[493,885,625],{"class":503},[493,887,888],{"class":510},"\"Connected!\"",[493,890,707],{"class":503},[493,892,893,896,898,900,903],{"class":495,"line":546},[493,894,895],{"class":503},"  ws.",[493,897,699],{"class":533},[493,899,625],{"class":503},[493,901,902],{"class":510},"\"Hello from client!\"",[493,904,707],{"class":503},[493,906,907],{"class":495,"line":559},[493,908,568],{"class":503},[493,910,911],{"class":495,"line":565},[493,912,521],{"emptyLinePlaceholder":520},[493,914,915,917,919,921,924,927,930,933,935],{"class":495,"line":672},[493,916,859],{"class":503},[493,918,862],{"class":533},[493,920,625],{"class":503},[493,922,923],{"class":510},"\"message\"",[493,925,926],{"class":503},", (",[493,928,929],{"class":628},"event",[493,931,932],{"class":503},") ",[493,934,873],{"class":499},[493,936,876],{"class":503},[493,938,939,941,943,945,948],{"class":495,"line":693},[493,940,881],{"class":503},[493,942,640],{"class":533},[493,944,625],{"class":503},[493,946,947],{"class":510},"\"Received:\"",[493,949,950],{"class":503},", event.data);\n",[493,952,953],{"class":495,"line":710},[493,954,568],{"class":503},[472,956,958],{"id":957},"hooks","Hooks",[451,960,961],{},"WebSocket handlers accept the following lifecycle hooks:",[806,963,965],{"id":964},"upgrade",[490,966,964],{},[451,968,969],{},"Called before the WebSocket connection is established. Use it to authenticate requests, set the namespace, or attach context data to the peer.",[483,971,973],{"className":485,"code":972,"filename":799,"language":488,"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  \u002F\u002F ...\n});\n",[490,974,975,987,991,1001,1013,1031,1053,1070,1094,1099,1106,1117,1122,1126,1136,1150,1154,1160],{"__ignoreMap":5},[493,976,977,979,981,983,985],{"class":495,"line":496},[493,978,500],{"class":499},[493,980,596],{"class":503},[493,982,507],{"class":499},[493,984,511],{"class":510},[493,986,514],{"class":503},[493,988,989],{"class":495,"line":517},[493,990,521],{"emptyLinePlaceholder":520},[493,992,993,995,997,999],{"class":495,"line":524},[493,994,527],{"class":499},[493,996,530],{"class":499},[493,998,615],{"class":533},[493,1000,537],{"class":503},[493,1002,1003,1006,1008,1011],{"class":495,"line":540},[493,1004,1005],{"class":533},"  upgrade",[493,1007,625],{"class":503},[493,1009,1010],{"class":628},"request",[493,1012,632],{"class":503},[493,1014,1015,1018,1021,1023,1025,1028],{"class":495,"line":546},[493,1016,1017],{"class":499},"    const",[493,1019,1020],{"class":552}," url",[493,1022,837],{"class":499},[493,1024,840],{"class":499},[493,1026,1027],{"class":533}," URL",[493,1029,1030],{"class":503},"(request.url);\n",[493,1032,1033,1035,1038,1040,1043,1046,1048,1051],{"class":495,"line":559},[493,1034,1017],{"class":499},[493,1036,1037],{"class":552}," token",[493,1039,837],{"class":499},[493,1041,1042],{"class":503}," url.searchParams.",[493,1044,1045],{"class":533},"get",[493,1047,625],{"class":503},[493,1049,1050],{"class":510},"\"token\"",[493,1052,707],{"class":503},[493,1054,1055,1058,1061,1064,1067],{"class":495,"line":565},[493,1056,1057],{"class":499},"    if",[493,1059,1060],{"class":503}," (",[493,1062,1063],{"class":499},"!",[493,1065,1066],{"class":533},"isValidToken",[493,1068,1069],{"class":503},"(token)) {\n",[493,1071,1072,1075,1077,1080,1082,1085,1088,1091],{"class":495,"line":672},[493,1073,1074],{"class":499},"      throw",[493,1076,840],{"class":499},[493,1078,1079],{"class":533}," Response",[493,1081,625],{"class":503},[493,1083,1084],{"class":510},"\"Unauthorized\"",[493,1086,1087],{"class":503},", { status: ",[493,1089,1090],{"class":552},"401",[493,1092,1093],{"class":503}," });\n",[493,1095,1096],{"class":495,"line":693},[493,1097,1098],{"class":503},"    }\n",[493,1100,1101,1104],{"class":495,"line":710},[493,1102,1103],{"class":499},"    return",[493,1105,876],{"class":503},[493,1107,1108,1111,1114],{"class":495,"line":715},[493,1109,1110],{"class":503},"      context: { userId: ",[493,1112,1113],{"class":533},"getUserId",[493,1115,1116],{"class":503},"(token) },\n",[493,1118,1119],{"class":495,"line":732},[493,1120,1121],{"class":503},"    };\n",[493,1123,1124],{"class":495,"line":747},[493,1125,562],{"class":503},[493,1127,1128,1130,1132,1134],{"class":495,"line":752},[493,1129,622],{"class":533},[493,1131,625],{"class":503},[493,1133,629],{"class":628},[493,1135,632],{"class":503},[493,1137,1138,1140,1142,1144,1147],{"class":495,"line":769},[493,1139,637],{"class":503},[493,1141,640],{"class":533},[493,1143,625],{"class":503},[493,1145,1146],{"class":510},"\"User connected:\"",[493,1148,1149],{"class":503},", peer.context.userId);\n",[493,1151,1152],{"class":495,"line":784},[493,1153,562],{"class":503},[493,1155,1156],{"class":495,"line":789},[493,1157,1159],{"class":1158},"sCsY4","  \u002F\u002F ...\n",[493,1161,1163],{"class":495,"line":1162},18,[493,1164,568],{"class":503},[451,1166,1167,1168,1170],{},"The ",[490,1169,964],{}," hook can return an object with:",[1172,1173,1174,1190],"table",{},[1175,1176,1177],"thead",{},[1178,1179,1180,1184,1187],"tr",{},[1181,1182,1183],"th",{},"Property",[1181,1185,1186],{},"Type",[1181,1188,1189],{},"Description",[1191,1192,1193,1209,1228,1242,1260],"tbody",{},[1178,1194,1195,1201,1206],{},[1196,1197,1198],"td",{},[490,1199,1200],{},"headers",[1196,1202,1203],{},[490,1204,1205],{},"HeadersInit",[1196,1207,1208],{},"Response headers to include in the upgrade response",[1178,1210,1211,1216,1221],{},[1196,1212,1213],{},[490,1214,1215],{},"protocol",[1196,1217,1218],{},[490,1219,1220],{},"string",[1196,1222,1223,1224,1227],{},"Select the WebSocket subprotocol for the connection (must be one of the values the client offered in ",[490,1225,1226],{},"Sec-WebSocket-Protocol",")",[1178,1229,1230,1235,1239],{},[1196,1231,1232],{},[490,1233,1234],{},"namespace",[1196,1236,1237],{},[490,1238,1220],{},[1196,1240,1241],{},"Override the pub\u002Fsub namespace for this connection",[1178,1243,1244,1249,1254],{},[1196,1245,1246],{},[490,1247,1248],{},"context",[1196,1250,1251],{},[490,1252,1253],{},"object",[1196,1255,1256,1257],{},"Data attached to ",[490,1258,1259],{},"peer.context",[1178,1261,1262,1267,1272],{},[1196,1263,1264],{},[490,1265,1266],{},"handled",[1196,1268,1269],{},[490,1270,1271],{},"boolean",[1196,1273,1274,1275,1277],{},"When ",[490,1276,553],{},", signals that the hook already performed the upgrade itself, so the adapter skips its own upgrade handling",[451,1279,1280,1281,1284],{},"Throw a ",[490,1282,1283],{},"Response"," to reject the upgrade.",[806,1286,1288],{"id":1287},"open",[490,1289,1287],{},[451,1291,1292],{},"Called when a WebSocket connection is established and the peer is ready to send and receive messages.",[483,1294,1296],{"className":485,"code":1295,"language":488,"meta":5,"style":5},"open(peer) {\n  peer.send(\"Welcome!\");\n}\n",[490,1297,1298,1305,1319],{"__ignoreMap":5},[493,1299,1300,1302],{"class":495,"line":496},[493,1301,1287],{"class":533},[493,1303,1304],{"class":503},"(peer) {\n",[493,1306,1307,1310,1312,1314,1317],{"class":495,"line":517},[493,1308,1309],{"class":503},"  peer.",[493,1311,699],{"class":533},[493,1313,625],{"class":503},[493,1315,1316],{"class":510},"\"Welcome!\"",[493,1318,707],{"class":503},[493,1320,1321],{"class":495,"line":524},[493,1322,1323],{"class":503},"}\n",[806,1325,1326],{"id":667},[490,1327,667],{},[451,1329,1330],{},"Called when a message is received from a peer.",[483,1332,1334],{"className":485,"code":1333,"language":488,"meta":5,"style":5},"message(peer, message) {\n  const text = message.text();\n  const data = message.json();\n}\n",[490,1335,1336,1343,1361,1377],{"__ignoreMap":5},[493,1337,1338,1340],{"class":495,"line":496},[493,1339,667],{"class":533},[493,1341,1342],{"class":503},"(peer, message) {\n",[493,1344,1345,1348,1351,1353,1356,1358],{"class":495,"line":517},[493,1346,1347],{"class":499},"  const",[493,1349,1350],{"class":552}," text",[493,1352,837],{"class":499},[493,1354,1355],{"class":503}," message.",[493,1357,687],{"class":533},[493,1359,1360],{"class":503},"();\n",[493,1362,1363,1365,1368,1370,1372,1375],{"class":495,"line":524},[493,1364,1347],{"class":499},[493,1366,1367],{"class":552}," data",[493,1369,837],{"class":499},[493,1371,1355],{"class":503},[493,1373,1374],{"class":533},"json",[493,1376,1360],{"class":503},[493,1378,1379],{"class":495,"line":540},[493,1380,1323],{"class":503},[806,1382,1384],{"id":1383},"close",[490,1385,1383],{},[451,1387,1388,1389,1391,1392,1394,1395,804],{},"Called when a WebSocket connection is closed. Receives a ",[490,1390,727],{}," object with optional ",[490,1393,490],{}," and ",[490,1396,1397],{},"reason",[483,1399,1401],{"className":485,"code":1400,"language":488,"meta":5,"style":5},"close(peer, details) {\n  console.log(`Closed: ${details.code} - ${details.reason}`);\n}\n",[490,1402,1403,1410,1441],{"__ignoreMap":5},[493,1404,1405,1407],{"class":495,"line":496},[493,1406,1383],{"class":533},[493,1408,1409],{"class":503},"(peer, details) {\n",[493,1411,1412,1414,1416,1418,1421,1423,1425,1427,1430,1432,1434,1436,1439],{"class":495,"line":517},[493,1413,881],{"class":503},[493,1415,640],{"class":533},[493,1417,625],{"class":503},[493,1419,1420],{"class":510},"`Closed: ${",[493,1422,727],{"class":503},[493,1424,804],{"class":510},[493,1426,490],{"class":503},[493,1428,1429],{"class":510},"} - ${",[493,1431,727],{"class":503},[493,1433,804],{"class":510},[493,1435,1397],{"class":503},[493,1437,1438],{"class":510},"}`",[493,1440,707],{"class":503},[493,1442,1443],{"class":495,"line":524},[493,1444,1323],{"class":503},[806,1446,1447],{"id":764},[490,1448,764],{},[451,1450,1451],{},"Called when an error occurs on the WebSocket connection.",[483,1453,1455],{"className":485,"code":1454,"language":488,"meta":5,"style":5},"error(peer, error) {\n  console.error(\"WebSocket error:\", error);\n}\n",[490,1456,1457,1464,1477],{"__ignoreMap":5},[493,1458,1459,1461],{"class":495,"line":496},[493,1460,764],{"class":533},[493,1462,1463],{"class":503},"(peer, error) {\n",[493,1465,1466,1468,1470,1472,1475],{"class":495,"line":517},[493,1467,881],{"class":503},[493,1469,764],{"class":533},[493,1471,625],{"class":503},[493,1473,1474],{"class":510},"\"WebSocket error:\"",[493,1476,781],{"class":503},[493,1478,1479],{"class":495,"line":524},[493,1480,1323],{"class":503},[1482,1483,1484],"note",{},[451,1485,1486,1487,664,1490,1493,1494,1497,1498,804],{},"Depending on the adapter, additional hooks such as ",[490,1488,1489],{},"drain",[490,1491,1492],{},"ping",", and ",[490,1495,1496],{},"pong"," may be available — see the ",[461,1499,1502],{"href":1500,"rel":1501},"https:\u002F\u002Fcrossws.h3.dev\u002Fguide\u002Fpeer#compatibility",[817],"CrossWS compatibility table",[472,1504,1505],{"id":629},"Peer",[451,1507,1167,1508,1510,1511,804],{},[490,1509,629],{}," object represents a connected WebSocket client. It is available in all hooks except ",[490,1512,964],{},[806,1514,1516],{"id":1515},"properties","Properties",[1172,1518,1519,1529],{},[1175,1520,1521],{},[1178,1522,1523,1525,1527],{},[1181,1524,1183],{},[1181,1526,1186],{},[1181,1528,1189],{},[1191,1530,1531,1545,1558,1573,1587,1602,1617,1632],{},[1178,1532,1533,1538,1542],{},[1196,1534,1535],{},[490,1536,1537],{},"id",[1196,1539,1540],{},[490,1541,1220],{},[1196,1543,1544],{},"Unique identifier for this peer",[1178,1546,1547,1551,1555],{},[1196,1548,1549],{},[490,1550,1234],{},[1196,1552,1553],{},[490,1554,1220],{},[1196,1556,1557],{},"Pub\u002Fsub namespace this peer belongs to",[1178,1559,1560,1564,1568],{},[1196,1561,1562],{},[490,1563,1248],{},[1196,1565,1566],{},[490,1567,1253],{},[1196,1569,1570,1571],{},"Arbitrary context data set during ",[490,1572,964],{},[1178,1574,1575,1579,1584],{},[1196,1576,1577],{},[490,1578,1010],{},[1196,1580,1581],{},[490,1582,1583],{},"Request",[1196,1585,1586],{},"The original upgrade request",[1178,1588,1589,1594,1599],{},[1196,1590,1591],{},[490,1592,1593],{},"peers",[1196,1595,1596],{},[490,1597,1598],{},"Set\u003CPeer>",[1196,1600,1601],{},"All connected peers in the same namespace",[1178,1603,1604,1609,1614],{},[1196,1605,1606],{},[490,1607,1608],{},"topics",[1196,1610,1611],{},[490,1612,1613],{},"Set\u003Cstring>",[1196,1615,1616],{},"Topics this peer is subscribed to",[1178,1618,1619,1624,1629],{},[1196,1620,1621],{},[490,1622,1623],{},"remoteAddress",[1196,1625,1626],{},[490,1627,1628],{},"string?",[1196,1630,1631],{},"Client IP address (adapter-dependent)",[1178,1633,1634,1639,1643],{},[1196,1635,1636],{},[490,1637,1638],{},"websocket",[1196,1640,1641],{},[490,1642,68],{},[1196,1644,1645],{},"The underlying WebSocket instance",[806,1647,1649],{"id":1648},"methods","Methods",[1651,1652,1654],"h4",{"id":1653},"peersenddata-options",[490,1655,1656],{},"peer.send(data, options?)",[451,1658,1659],{},"Send a message directly to this peer. Accepts strings, objects (serialized as JSON), or binary data.",[483,1661,1663],{"className":485,"code":1662,"language":488,"meta":5,"style":5},"peer.send(\"Hello!\");\npeer.send({ type: \"greeting\", text: \"Hello!\" });\n",[490,1664,1665,1679],{"__ignoreMap":5},[493,1666,1667,1670,1672,1674,1677],{"class":495,"line":496},[493,1668,1669],{"class":503},"peer.",[493,1671,699],{"class":533},[493,1673,625],{"class":503},[493,1675,1676],{"class":510},"\"Hello!\"",[493,1678,707],{"class":503},[493,1680,1681,1683,1685,1688,1691,1694,1696],{"class":495,"line":517},[493,1682,1669],{"class":503},[493,1684,699],{"class":533},[493,1686,1687],{"class":503},"({ type: ",[493,1689,1690],{"class":510},"\"greeting\"",[493,1692,1693],{"class":503},", text: ",[493,1695,1676],{"class":510},[493,1697,1093],{"class":503},[1651,1699,1701],{"id":1700},"peersubscribetopic",[490,1702,1703],{},"peer.subscribe(topic)",[451,1705,1706],{},"Subscribe this peer to a pub\u002Fsub topic.",[483,1708,1710],{"className":485,"code":1709,"language":488,"meta":5,"style":5},"peer.subscribe(\"notifications\");\n",[490,1711,1712],{"__ignoreMap":5},[493,1713,1714,1716,1719,1721,1724],{"class":495,"line":496},[493,1715,1669],{"class":503},[493,1717,1718],{"class":533},"subscribe",[493,1720,625],{"class":503},[493,1722,1723],{"class":510},"\"notifications\"",[493,1725,707],{"class":503},[1651,1727,1729],{"id":1728},"peerunsubscribetopic",[490,1730,1731],{},"peer.unsubscribe(topic)",[451,1733,1734],{},"Unsubscribe this peer from a topic.",[483,1736,1738],{"className":485,"code":1737,"language":488,"meta":5,"style":5},"peer.unsubscribe(\"notifications\");\n",[490,1739,1740],{"__ignoreMap":5},[493,1741,1742,1744,1747,1749,1751],{"class":495,"line":496},[493,1743,1669],{"class":503},[493,1745,1746],{"class":533},"unsubscribe",[493,1748,625],{"class":503},[493,1750,1723],{"class":510},[493,1752,707],{"class":503},[1651,1754,1756],{"id":1755},"peerpublishtopic-data-options",[490,1757,1758],{},"peer.publish(topic, data, options?)",[451,1760,1761,1762,1766],{},"Broadcast a message to all peers subscribed to a topic within the same namespace. The publishing peer does ",[1763,1764,1765],"strong",{},"not"," receive the message.",[483,1768,1770],{"className":485,"code":1769,"language":488,"meta":5,"style":5},"peer.publish(\"chat\", { user: \"Alice\", text: \"Hello everyone!\" });\n",[490,1771,1772],{"__ignoreMap":5},[493,1773,1774,1776,1779,1781,1784,1787,1790,1792,1795],{"class":495,"line":496},[493,1775,1669],{"class":503},[493,1777,1778],{"class":533},"publish",[493,1780,625],{"class":503},[493,1782,1783],{"class":510},"\"chat\"",[493,1785,1786],{"class":503},", { user: ",[493,1788,1789],{"class":510},"\"Alice\"",[493,1791,1693],{"class":503},[493,1793,1794],{"class":510},"\"Hello everyone!\"",[493,1796,1093],{"class":503},[1651,1798,1800],{"id":1799},"peerclosecode-reason",[490,1801,1802],{},"peer.close(code?, reason?)",[451,1804,1805],{},"Gracefully close the WebSocket connection.",[483,1807,1809],{"className":485,"code":1808,"language":488,"meta":5,"style":5},"peer.close(1000, \"Normal closure\");\n",[490,1810,1811],{"__ignoreMap":5},[493,1812,1813,1815,1817,1819,1822,1824,1827],{"class":495,"line":496},[493,1814,1669],{"class":503},[493,1816,1383],{"class":533},[493,1818,625],{"class":503},[493,1820,1821],{"class":552},"1000",[493,1823,664],{"class":503},[493,1825,1826],{"class":510},"\"Normal closure\"",[493,1828,707],{"class":503},[1651,1830,1832],{"id":1831},"peerterminate",[490,1833,1834],{},"peer.terminate()",[451,1836,1837],{},"Immediately terminate the connection without sending a close frame.",[472,1839,1841],{"id":1840},"message-1","Message",[451,1843,1167,1844,1846,1847,1849],{},[490,1845,667],{}," object in the ",[490,1848,667],{}," hook provides methods to read the incoming data in different formats.",[1172,1851,1852,1864],{},[1175,1853,1854],{},[1178,1855,1856,1859,1862],{},[1181,1857,1858],{},"Method",[1181,1860,1861],{},"Return Type",[1181,1863,1189],{},[1191,1865,1866,1880,1895,1910,1925],{},[1178,1867,1868,1873,1877],{},[1196,1869,1870],{},[490,1871,1872],{},"text()",[1196,1874,1875],{},[490,1876,1220],{},[1196,1878,1879],{},"Message as a UTF-8 string",[1178,1881,1882,1887,1892],{},[1196,1883,1884],{},[490,1885,1886],{},"json()",[1196,1888,1889],{},[490,1890,1891],{},"T",[1196,1893,1894],{},"Message parsed as JSON",[1178,1896,1897,1902,1907],{},[1196,1898,1899],{},[490,1900,1901],{},"uint8Array()",[1196,1903,1904],{},[490,1905,1906],{},"Uint8Array",[1196,1908,1909],{},"Message as a byte array",[1178,1911,1912,1917,1922],{},[1196,1913,1914],{},[490,1915,1916],{},"arrayBuffer()",[1196,1918,1919],{},[490,1920,1921],{},"ArrayBuffer",[1196,1923,1924],{},"Message as an ArrayBuffer",[1178,1926,1927,1932,1937],{},[1196,1928,1929],{},[490,1930,1931],{},"blob()",[1196,1933,1934],{},[490,1935,1936],{},"Blob",[1196,1938,1939],{},"Message as a Blob",[483,1941,1943],{"className":485,"code":1942,"language":488,"meta":5,"style":5},"message(peer, message) {\n  \u002F\u002F Parse as text\n  const text = message.text();\n\n  \u002F\u002F Parse as typed JSON\n  const data = message.json\u003C{ type: string; payload: unknown }>();\n}\n",[490,1944,1945,1951,1956,1970,1974,1979,2017],{"__ignoreMap":5},[493,1946,1947,1949],{"class":495,"line":496},[493,1948,667],{"class":533},[493,1950,1342],{"class":503},[493,1952,1953],{"class":495,"line":517},[493,1954,1955],{"class":1158},"  \u002F\u002F Parse as text\n",[493,1957,1958,1960,1962,1964,1966,1968],{"class":495,"line":524},[493,1959,1347],{"class":499},[493,1961,1350],{"class":552},[493,1963,837],{"class":499},[493,1965,1355],{"class":503},[493,1967,687],{"class":533},[493,1969,1360],{"class":503},[493,1971,1972],{"class":495,"line":540},[493,1973,521],{"emptyLinePlaceholder":520},[493,1975,1976],{"class":495,"line":546},[493,1977,1978],{"class":1158},"  \u002F\u002F Parse as typed JSON\n",[493,1980,1981,1983,1985,1987,1989,1991,1994,1997,2000,2003,2006,2009,2011,2014],{"class":495,"line":559},[493,1982,1347],{"class":499},[493,1984,1367],{"class":552},[493,1986,837],{"class":499},[493,1988,1355],{"class":503},[493,1990,1374],{"class":533},[493,1992,1993],{"class":503},"\u003C{ ",[493,1995,1996],{"class":628},"type",[493,1998,1999],{"class":499},":",[493,2001,2002],{"class":552}," string",[493,2004,2005],{"class":503},"; ",[493,2007,2008],{"class":628},"payload",[493,2010,1999],{"class":499},[493,2012,2013],{"class":552}," unknown",[493,2015,2016],{"class":503}," }>();\n",[493,2018,2019],{"class":495,"line":565},[493,2020,1323],{"class":503},[472,2022,2024],{"id":2023},"pubsub","Pub\u002FSub",[451,2026,2027],{},"Pub\u002Fsub (publish\u002Fsubscribe) enables broadcasting messages to groups of connected peers through topics. Peers subscribe to topics and receive messages published to those topics.",[483,2029,2031],{"className":485,"code":2030,"filename":799,"language":488,"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    \u002F\u002F Broadcast to all other subscribers\n    peer.publish(\"chat\", {\n      user: peer.toString(),\n      text: message.text(),\n    });\n    \u002F\u002F Echo back to sender\n    peer.send({ user: \"You\", text: message.text() });\n  },\n  close(peer) {\n    peer.publish(\"chat\", { system: `${peer} left the chat` });\n  },\n});\n",[490,2032,2033,2045,2049,2059,2069,2081,2104,2118,2122,2136,2141,2154,2165,2174,2179,2184,2204,2208,2218,2240,2245],{"__ignoreMap":5},[493,2034,2035,2037,2039,2041,2043],{"class":495,"line":496},[493,2036,500],{"class":499},[493,2038,596],{"class":503},[493,2040,507],{"class":499},[493,2042,511],{"class":510},[493,2044,514],{"class":503},[493,2046,2047],{"class":495,"line":517},[493,2048,521],{"emptyLinePlaceholder":520},[493,2050,2051,2053,2055,2057],{"class":495,"line":524},[493,2052,527],{"class":499},[493,2054,530],{"class":499},[493,2056,615],{"class":533},[493,2058,537],{"class":503},[493,2060,2061,2063,2065,2067],{"class":495,"line":540},[493,2062,622],{"class":533},[493,2064,625],{"class":503},[493,2066,629],{"class":628},[493,2068,632],{"class":503},[493,2070,2071,2073,2075,2077,2079],{"class":495,"line":546},[493,2072,696],{"class":503},[493,2074,1718],{"class":533},[493,2076,625],{"class":503},[493,2078,1783],{"class":510},[493,2080,707],{"class":503},[493,2082,2083,2085,2087,2089,2091,2094,2097,2099,2102],{"class":495,"line":559},[493,2084,696],{"class":503},[493,2086,1778],{"class":533},[493,2088,625],{"class":503},[493,2090,1783],{"class":510},[493,2092,2093],{"class":503},", { system: ",[493,2095,2096],{"class":510},"`${",[493,2098,629],{"class":503},[493,2100,2101],{"class":510},"} joined the chat`",[493,2103,1093],{"class":503},[493,2105,2106,2108,2110,2113,2116],{"class":495,"line":565},[493,2107,696],{"class":503},[493,2109,699],{"class":533},[493,2111,2112],{"class":503},"({ system: ",[493,2114,2115],{"class":510},"\"Welcome to the chat!\"",[493,2117,1093],{"class":503},[493,2119,2120],{"class":495,"line":672},[493,2121,562],{"class":503},[493,2123,2124,2126,2128,2130,2132,2134],{"class":495,"line":693},[493,2125,657],{"class":533},[493,2127,625],{"class":503},[493,2129,629],{"class":628},[493,2131,664],{"class":503},[493,2133,667],{"class":628},[493,2135,632],{"class":503},[493,2137,2138],{"class":495,"line":710},[493,2139,2140],{"class":1158},"    \u002F\u002F Broadcast to all other subscribers\n",[493,2142,2143,2145,2147,2149,2151],{"class":495,"line":715},[493,2144,696],{"class":503},[493,2146,1778],{"class":533},[493,2148,625],{"class":503},[493,2150,1783],{"class":510},[493,2152,2153],{"class":503},", {\n",[493,2155,2156,2159,2162],{"class":495,"line":732},[493,2157,2158],{"class":503},"      user: peer.",[493,2160,2161],{"class":533},"toString",[493,2163,2164],{"class":503},"(),\n",[493,2166,2167,2170,2172],{"class":495,"line":747},[493,2168,2169],{"class":503},"      text: message.",[493,2171,687],{"class":533},[493,2173,2164],{"class":503},[493,2175,2176],{"class":495,"line":752},[493,2177,2178],{"class":503},"    });\n",[493,2180,2181],{"class":495,"line":769},[493,2182,2183],{"class":1158},"    \u002F\u002F Echo back to sender\n",[493,2185,2186,2188,2190,2193,2196,2199,2201],{"class":495,"line":784},[493,2187,696],{"class":503},[493,2189,699],{"class":533},[493,2191,2192],{"class":503},"({ user: ",[493,2194,2195],{"class":510},"\"You\"",[493,2197,2198],{"class":503},", text: message.",[493,2200,687],{"class":533},[493,2202,2203],{"class":503},"() });\n",[493,2205,2206],{"class":495,"line":789},[493,2207,562],{"class":503},[493,2209,2210,2212,2214,2216],{"class":495,"line":1162},[493,2211,718],{"class":533},[493,2213,625],{"class":503},[493,2215,629],{"class":628},[493,2217,632],{"class":503},[493,2219,2221,2223,2225,2227,2229,2231,2233,2235,2238],{"class":495,"line":2220},19,[493,2222,696],{"class":503},[493,2224,1778],{"class":533},[493,2226,625],{"class":503},[493,2228,1783],{"class":510},[493,2230,2093],{"class":503},[493,2232,2096],{"class":510},[493,2234,629],{"class":503},[493,2236,2237],{"class":510},"} left the chat`",[493,2239,1093],{"class":503},[493,2241,2243],{"class":495,"line":2242},20,[493,2244,562],{"class":503},[493,2246,2248],{"class":495,"line":2247},21,[493,2249,568],{"class":503},[1482,2251,2252],{},[451,2253,2254,2257,2258,2261,2262,2265],{},[490,2255,2256],{},"peer.publish()"," sends the message to all subscribers of the topic ",[1763,2259,2260],{},"except"," the publishing peer. Use ",[490,2263,2264],{},"peer.send()"," to also send to the publisher.",[806,2267,2269],{"id":2268},"namespaces","Namespaces",[451,2271,2272,2273,2275],{},"Namespaces provide isolated pub\u002Fsub groups for WebSocket connections. Each peer belongs to one namespace, and ",[490,2274,2256],{}," only broadcasts to peers within the same namespace.",[451,2277,2278,2279,2283],{},"By default, the namespace is derived from the request URL pathname. This works naturally with ",[461,2280,2282],{"href":2281},"\u002Fdocs\u002Frouting#dynamic-routes","dynamic routes"," — each path gets its own isolated namespace:",[483,2285,2288],{"className":485,"code":2286,"filename":2287,"language":488,"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 ${peer.namespace}`);\n  },\n  message(peer, message) {\n    \u002F\u002F Only reaches peers in the same room\n    peer.publish(\"messages\", `${peer}: ${message.text()}`);\n  },\n  close(peer) {\n    peer.publish(\"messages\", `${peer} left`);\n  },\n});\n","routes\u002Frooms\u002F[room].ts",[490,2289,2290,2302,2306,2316,2326,2339,2368,2372,2386,2391,2423,2427,2437,2458,2462],{"__ignoreMap":5},[493,2291,2292,2294,2296,2298,2300],{"class":495,"line":496},[493,2293,500],{"class":499},[493,2295,596],{"class":503},[493,2297,507],{"class":499},[493,2299,511],{"class":510},[493,2301,514],{"class":503},[493,2303,2304],{"class":495,"line":517},[493,2305,521],{"emptyLinePlaceholder":520},[493,2307,2308,2310,2312,2314],{"class":495,"line":524},[493,2309,527],{"class":499},[493,2311,530],{"class":499},[493,2313,615],{"class":533},[493,2315,537],{"class":503},[493,2317,2318,2320,2322,2324],{"class":495,"line":540},[493,2319,622],{"class":533},[493,2321,625],{"class":503},[493,2323,629],{"class":628},[493,2325,632],{"class":503},[493,2327,2328,2330,2332,2334,2337],{"class":495,"line":546},[493,2329,696],{"class":503},[493,2331,1718],{"class":533},[493,2333,625],{"class":503},[493,2335,2336],{"class":510},"\"messages\"",[493,2338,707],{"class":503},[493,2340,2341,2343,2345,2347,2349,2351,2353,2355,2358,2360,2362,2364,2366],{"class":495,"line":559},[493,2342,696],{"class":503},[493,2344,1778],{"class":533},[493,2346,625],{"class":503},[493,2348,2336],{"class":510},[493,2350,664],{"class":503},[493,2352,2096],{"class":510},[493,2354,629],{"class":503},[493,2356,2357],{"class":510},"} joined ${",[493,2359,629],{"class":503},[493,2361,804],{"class":510},[493,2363,1234],{"class":503},[493,2365,1438],{"class":510},[493,2367,707],{"class":503},[493,2369,2370],{"class":495,"line":565},[493,2371,562],{"class":503},[493,2373,2374,2376,2378,2380,2382,2384],{"class":495,"line":672},[493,2375,657],{"class":533},[493,2377,625],{"class":503},[493,2379,629],{"class":628},[493,2381,664],{"class":503},[493,2383,667],{"class":628},[493,2385,632],{"class":503},[493,2387,2388],{"class":495,"line":693},[493,2389,2390],{"class":1158},"    \u002F\u002F Only reaches peers in the same room\n",[493,2392,2393,2395,2397,2399,2401,2403,2405,2407,2410,2412,2414,2416,2419,2421],{"class":495,"line":710},[493,2394,696],{"class":503},[493,2396,1778],{"class":533},[493,2398,625],{"class":503},[493,2400,2336],{"class":510},[493,2402,664],{"class":503},[493,2404,2096],{"class":510},[493,2406,629],{"class":503},[493,2408,2409],{"class":510},"}: ${",[493,2411,667],{"class":503},[493,2413,804],{"class":510},[493,2415,687],{"class":533},[493,2417,2418],{"class":510},"()",[493,2420,1438],{"class":510},[493,2422,707],{"class":503},[493,2424,2425],{"class":495,"line":715},[493,2426,562],{"class":503},[493,2428,2429,2431,2433,2435],{"class":495,"line":732},[493,2430,718],{"class":533},[493,2432,625],{"class":503},[493,2434,629],{"class":628},[493,2436,632],{"class":503},[493,2438,2439,2441,2443,2445,2447,2449,2451,2453,2456],{"class":495,"line":747},[493,2440,696],{"class":503},[493,2442,1778],{"class":533},[493,2444,625],{"class":503},[493,2446,2336],{"class":510},[493,2448,664],{"class":503},[493,2450,2096],{"class":510},[493,2452,629],{"class":503},[493,2454,2455],{"class":510},"} left`",[493,2457,707],{"class":503},[493,2459,2460],{"class":495,"line":752},[493,2461,562],{"class":503},[493,2463,2464],{"class":495,"line":769},[493,2465,568],{"class":503},[451,2467,2468,2469,2472,2473,2476],{},"In this example, clients connecting to ",[490,2470,2471],{},"\u002Frooms\u002Fgame"," are isolated from clients connecting to ",[490,2474,2475],{},"\u002Frooms\u002Flobby"," — each path is its own namespace.",[451,2478,2479,2480,2482,2483,2485],{},"To override the default namespace, return a custom ",[490,2481,1234],{}," from the ",[490,2484,964],{}," hook:",[483,2487,2489],{"className":485,"code":2488,"filename":799,"language":488,"meta":5,"style":5},"import { defineWebSocketHandler } from \"nitro\";\n\nexport default defineWebSocketHandler({\n  upgrade(request) {\n    \u002F\u002F Group connections by a query parameter instead of the pathname\n    const url = new URL(request.url);\n    const channel = url.searchParams.get(\"channel\") || \"general\";\n    return {\n      namespace: `chat:${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",[490,2490,2491,2503,2507,2517,2527,2532,2546,2574,2580,2595,2599,2603,2613,2625,2646,2650,2664,2694,2698,2708,2728,2732],{"__ignoreMap":5},[493,2492,2493,2495,2497,2499,2501],{"class":495,"line":496},[493,2494,500],{"class":499},[493,2496,596],{"class":503},[493,2498,507],{"class":499},[493,2500,511],{"class":510},[493,2502,514],{"class":503},[493,2504,2505],{"class":495,"line":517},[493,2506,521],{"emptyLinePlaceholder":520},[493,2508,2509,2511,2513,2515],{"class":495,"line":524},[493,2510,527],{"class":499},[493,2512,530],{"class":499},[493,2514,615],{"class":533},[493,2516,537],{"class":503},[493,2518,2519,2521,2523,2525],{"class":495,"line":540},[493,2520,1005],{"class":533},[493,2522,625],{"class":503},[493,2524,1010],{"class":628},[493,2526,632],{"class":503},[493,2528,2529],{"class":495,"line":546},[493,2530,2531],{"class":1158},"    \u002F\u002F Group connections by a query parameter instead of the pathname\n",[493,2533,2534,2536,2538,2540,2542,2544],{"class":495,"line":559},[493,2535,1017],{"class":499},[493,2537,1020],{"class":552},[493,2539,837],{"class":499},[493,2541,840],{"class":499},[493,2543,1027],{"class":533},[493,2545,1030],{"class":503},[493,2547,2548,2550,2553,2555,2557,2559,2561,2564,2566,2569,2572],{"class":495,"line":565},[493,2549,1017],{"class":499},[493,2551,2552],{"class":552}," channel",[493,2554,837],{"class":499},[493,2556,1042],{"class":503},[493,2558,1045],{"class":533},[493,2560,625],{"class":503},[493,2562,2563],{"class":510},"\"channel\"",[493,2565,932],{"class":503},[493,2567,2568],{"class":499},"||",[493,2570,2571],{"class":510}," \"general\"",[493,2573,514],{"class":503},[493,2575,2576,2578],{"class":495,"line":672},[493,2577,1103],{"class":499},[493,2579,876],{"class":503},[493,2581,2582,2585,2588,2591,2593],{"class":495,"line":693},[493,2583,2584],{"class":503},"      namespace: ",[493,2586,2587],{"class":510},"`chat:${",[493,2589,2590],{"class":503},"channel",[493,2592,1438],{"class":510},[493,2594,556],{"class":503},[493,2596,2597],{"class":495,"line":710},[493,2598,1121],{"class":503},[493,2600,2601],{"class":495,"line":715},[493,2602,562],{"class":503},[493,2604,2605,2607,2609,2611],{"class":495,"line":732},[493,2606,622],{"class":533},[493,2608,625],{"class":503},[493,2610,629],{"class":628},[493,2612,632],{"class":503},[493,2614,2615,2617,2619,2621,2623],{"class":495,"line":747},[493,2616,696],{"class":503},[493,2618,1718],{"class":533},[493,2620,625],{"class":503},[493,2622,2336],{"class":510},[493,2624,707],{"class":503},[493,2626,2627,2629,2631,2633,2635,2637,2639,2641,2644],{"class":495,"line":752},[493,2628,696],{"class":503},[493,2630,1778],{"class":533},[493,2632,625],{"class":503},[493,2634,2336],{"class":510},[493,2636,664],{"class":503},[493,2638,2096],{"class":510},[493,2640,629],{"class":503},[493,2642,2643],{"class":510},"} joined`",[493,2645,707],{"class":503},[493,2647,2648],{"class":495,"line":769},[493,2649,562],{"class":503},[493,2651,2652,2654,2656,2658,2660,2662],{"class":495,"line":784},[493,2653,657],{"class":533},[493,2655,625],{"class":503},[493,2657,629],{"class":628},[493,2659,664],{"class":503},[493,2661,667],{"class":628},[493,2663,632],{"class":503},[493,2665,2666,2668,2670,2672,2674,2676,2678,2680,2682,2684,2686,2688,2690,2692],{"class":495,"line":789},[493,2667,696],{"class":503},[493,2669,1778],{"class":533},[493,2671,625],{"class":503},[493,2673,2336],{"class":510},[493,2675,664],{"class":503},[493,2677,2096],{"class":510},[493,2679,629],{"class":503},[493,2681,2409],{"class":510},[493,2683,667],{"class":503},[493,2685,804],{"class":510},[493,2687,687],{"class":533},[493,2689,2418],{"class":510},[493,2691,1438],{"class":510},[493,2693,707],{"class":503},[493,2695,2696],{"class":495,"line":1162},[493,2697,562],{"class":503},[493,2699,2700,2702,2704,2706],{"class":495,"line":2220},[493,2701,718],{"class":533},[493,2703,625],{"class":503},[493,2705,629],{"class":628},[493,2707,632],{"class":503},[493,2709,2710,2712,2714,2716,2718,2720,2722,2724,2726],{"class":495,"line":2242},[493,2711,696],{"class":503},[493,2713,1778],{"class":533},[493,2715,625],{"class":503},[493,2717,2336],{"class":510},[493,2719,664],{"class":503},[493,2721,2096],{"class":510},[493,2723,629],{"class":503},[493,2725,2455],{"class":510},[493,2727,707],{"class":503},[493,2729,2730],{"class":495,"line":2247},[493,2731,562],{"class":503},[493,2733,2735],{"class":495,"line":2734},22,[493,2736,568],{"class":503},[472,2738,2740],{"id":2739},"server-sent-events-sse","Server-Sent Events (SSE)",[451,2742,2743,2747],{},[461,2744,464],{"href":2745,"rel":2746},"https:\u002F\u002Fdeveloper.mozilla.org\u002Fen-US\u002Fdocs\u002FWeb\u002FAPI\u002FServer-sent_events",[817]," provide a simpler alternative when you only need server-to-client streaming. Unlike WebSockets, SSE uses standard HTTP and supports automatic reconnection.",[483,2749,2752],{"className":485,"code":2750,"filename":2751,"language":488,"meta":5,"style":5},"import { defineHandler } from \"nitro\";\nimport { createEventStream } from \"nitro\u002Fh3\";\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\u002Fsse.ts",[490,2753,2754,2767,2781,2785,2805,2820,2824,2848,2882,2891,2895,2910,2918,2923,2927,2938],{"__ignoreMap":5},[493,2755,2756,2758,2761,2763,2765],{"class":495,"line":496},[493,2757,500],{"class":499},[493,2759,2760],{"class":503}," { defineHandler } ",[493,2762,507],{"class":499},[493,2764,511],{"class":510},[493,2766,514],{"class":503},[493,2768,2769,2771,2774,2776,2779],{"class":495,"line":517},[493,2770,500],{"class":499},[493,2772,2773],{"class":503}," { createEventStream } ",[493,2775,507],{"class":499},[493,2777,2778],{"class":510}," \"nitro\u002Fh3\"",[493,2780,514],{"class":503},[493,2782,2783],{"class":495,"line":524},[493,2784,521],{"emptyLinePlaceholder":520},[493,2786,2787,2789,2791,2794,2797,2799,2801,2803],{"class":495,"line":540},[493,2788,527],{"class":499},[493,2790,530],{"class":499},[493,2792,2793],{"class":533}," defineHandler",[493,2795,2796],{"class":503},"((",[493,2798,929],{"class":628},[493,2800,932],{"class":503},[493,2802,873],{"class":499},[493,2804,876],{"class":503},[493,2806,2807,2809,2812,2814,2817],{"class":495,"line":546},[493,2808,1347],{"class":499},[493,2810,2811],{"class":552}," stream",[493,2813,837],{"class":499},[493,2815,2816],{"class":533}," createEventStream",[493,2818,2819],{"class":503},"(event);\n",[493,2821,2822],{"class":495,"line":559},[493,2823,521],{"emptyLinePlaceholder":520},[493,2825,2826,2828,2831,2833,2836,2838,2841,2844,2846],{"class":495,"line":565},[493,2827,1347],{"class":499},[493,2829,2830],{"class":552}," interval",[493,2832,837],{"class":499},[493,2834,2835],{"class":533}," setInterval",[493,2837,625],{"class":503},[493,2839,2840],{"class":499},"async",[493,2842,2843],{"class":503}," () ",[493,2845,873],{"class":499},[493,2847,876],{"class":503},[493,2849,2850,2853,2856,2859,2861,2864,2867,2870,2873,2876,2878,2880],{"class":495,"line":672},[493,2851,2852],{"class":499},"    await",[493,2854,2855],{"class":503}," stream.",[493,2857,2858],{"class":533},"push",[493,2860,625],{"class":503},[493,2862,2863],{"class":510},"`Message @ ${",[493,2865,2866],{"class":499},"new",[493,2868,2869],{"class":533}," Date",[493,2871,2872],{"class":510},"().",[493,2874,2875],{"class":533},"toLocaleTimeString",[493,2877,2418],{"class":510},[493,2879,1438],{"class":510},[493,2881,707],{"class":503},[493,2883,2884,2887,2889],{"class":495,"line":693},[493,2885,2886],{"class":503},"  }, ",[493,2888,1821],{"class":552},[493,2890,707],{"class":503},[493,2892,2893],{"class":495,"line":710},[493,2894,521],{"emptyLinePlaceholder":520},[493,2896,2897,2900,2903,2906,2908],{"class":495,"line":715},[493,2898,2899],{"class":503},"  stream.",[493,2901,2902],{"class":533},"onClosed",[493,2904,2905],{"class":503},"(() ",[493,2907,873],{"class":499},[493,2909,876],{"class":503},[493,2911,2912,2915],{"class":495,"line":732},[493,2913,2914],{"class":533},"    clearInterval",[493,2916,2917],{"class":503},"(interval);\n",[493,2919,2920],{"class":495,"line":747},[493,2921,2922],{"class":503},"  });\n",[493,2924,2925],{"class":495,"line":752},[493,2926,521],{"emptyLinePlaceholder":520},[493,2928,2929,2932,2934,2936],{"class":495,"line":769},[493,2930,2931],{"class":499},"  return",[493,2933,2855],{"class":503},[493,2935,699],{"class":533},[493,2937,1360],{"class":503},[493,2939,2940],{"class":495,"line":784},[493,2941,568],{"class":503},[451,2943,2944,2945,1999],{},"Connect from the client using the ",[461,2946,2949],{"href":2947,"rel":2948},"https:\u002F\u002Fdeveloper.mozilla.org\u002Fen-US\u002Fdocs\u002FWeb\u002FAPI\u002FEventSource",[817],"EventSource API",[483,2951,2953],{"className":822,"code":2952,"language":824,"meta":5,"style":5},"const source = new EventSource(\"\u002Fsse\");\n\nsource.onmessage = (event) => {\n  console.log(event.data);\n};\n",[490,2954,2955,2976,2980,3000,3009],{"__ignoreMap":5},[493,2956,2957,2959,2962,2964,2966,2969,2971,2974],{"class":495,"line":496},[493,2958,831],{"class":499},[493,2960,2961],{"class":552}," source",[493,2963,837],{"class":499},[493,2965,840],{"class":499},[493,2967,2968],{"class":533}," EventSource",[493,2970,625],{"class":503},[493,2972,2973],{"class":510},"\"\u002Fsse\"",[493,2975,707],{"class":503},[493,2977,2978],{"class":495,"line":517},[493,2979,521],{"emptyLinePlaceholder":520},[493,2981,2982,2985,2988,2990,2992,2994,2996,2998],{"class":495,"line":524},[493,2983,2984],{"class":503},"source.",[493,2986,2987],{"class":533},"onmessage",[493,2989,837],{"class":499},[493,2991,1060],{"class":503},[493,2993,929],{"class":628},[493,2995,932],{"class":503},[493,2997,873],{"class":499},[493,2999,876],{"class":503},[493,3001,3002,3004,3006],{"class":495,"line":540},[493,3003,881],{"class":503},[493,3005,640],{"class":533},[493,3007,3008],{"class":503},"(event.data);\n",[493,3010,3011],{"class":495,"line":546},[493,3012,3013],{"class":503},"};\n",[806,3015,3017],{"id":3016},"structured-messages","Structured messages",[451,3019,3020,3021,664,3023,1493,3025,3028],{},"SSE messages support optional ",[490,3022,1537],{},[490,3024,929],{},[490,3026,3027],{},"retry"," fields:",[483,3030,3033],{"className":485,"code":3031,"filename":3032,"language":488,"meta":5,"style":5},"import { defineHandler } from \"nitro\";\nimport { createEventStream } from \"nitro\u002Fh3\";\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 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