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Channel",{"type":606,"value":607,"toc":3487},"minimark",[608,630,635,646,675,682,686,689,750,758,1646,1661,1672,1676,1679,1908,1922,1925,2115,2125,2129,2132,2418,2440,2453,2460,2464,2469,2475,2703,2720,2725,2729,2732,3129,3135,3138,3149,3377,3398,3402,3409,3477,3483],[609,610,611,621,622,625,626,629],"p",{},[612,613,617],"a",{"href":614,"rel":615},"https:\u002F\u002Fnodejs.org\u002Fapi\u002Fdiagnostics_channel.html",[616],"nofollow",[618,619,620],"code",{},"node:diagnostics_channel"," is the runtime's built-in pub\u002Fsub for instrumentation. evlog can publish every wide event on the ",[618,623,624],{},"evlog.event"," channel, so a consumer subscribes by channel name alone: no evlog import, no entry in ",[618,627,628],{},"initLogger()",".",[631,632,634],"h2",{"id":633},"what-its-for","What it's for",[609,636,637,638,641,642,645],{},"Two things you cannot do with a ",[612,639,640],{"href":513},"plugin"," or a ",[612,643,644],{"href":530},"drain",":",[647,648,649,660],"ul",{},[650,651,652,656,657,659],"li",{},[653,654,655],"strong",{},"Ship an evlog integration from a package that does not depend on evlog."," A subscriber only needs the channel name, so a vendor SDK, an internal shared library, or an APM agent can consume wide events without a peer dependency, a version constraint, or a line in your ",[618,658,628],{}," call.",[650,661,662,665,666,670,671,674],{},[653,663,664],{},"Get events out of a Cloudflare Worker without a drain."," Workers forwards every channel message to a ",[612,667,669],{"href":668},"#cloudflare-workers","Tail Worker",", which runs after the response with its own CPU budget, no ",[618,672,673],{},"waitUntil",", no drain competing with your request.",[609,676,677,678,629],{},"For everything else (batching, retry, adding fields, fanning out to several in-process consumers), a plugin or a drain is the better tool. There is a ",[612,679,681],{"href":680},"#when-a-plugin-is-the-better-tool","comparison at the bottom of this page",[631,683,685],{"id":684},"enabling-it","Enabling it",[609,687,688],{},"It is off by default. Turn it on once, at startup:",[690,691,696],"pre",{"className":692,"code":693,"language":694,"meta":695,"style":695},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { enableDiagnosticsChannel } from 'evlog\u002Fdiagnostics'\n\nawait enableDiagnosticsChannel()\n","typescript","",[618,697,698,731,738],{"__ignoreMap":695},[699,700,703,707,711,715,718,721,724,728],"span",{"class":701,"line":702},"line",1,[699,704,706],{"class":705},"s7zQu","import",[699,708,710],{"class":709},"sMK4o"," {",[699,712,714],{"class":713},"sTEyZ"," enableDiagnosticsChannel",[699,716,717],{"class":709}," }",[699,719,720],{"class":705}," from",[699,722,723],{"class":709}," '",[699,725,727],{"class":726},"sfazB","evlog\u002Fdiagnostics",[699,729,730],{"class":709},"'\n",[699,732,734],{"class":701,"line":733},2,[699,735,737],{"emptyLinePlaceholder":736},true,"\n",[699,739,741,744,747],{"class":701,"line":740},3,[699,742,743],{"class":705},"await",[699,745,714],{"class":746},"s2Zo4",[699,748,749],{"class":713},"()\n",[609,751,752,753,757],{},"The call takes no options and is the same on every framework. Only ",[754,755,756],"em",{},"where"," your app runs startup code differs:",[759,760,761,836,894,1136,1220,1347,1555],"framework-tabs",{},[690,762,765],{"className":692,"code":763,"filename":240,"language":694,"meta":764,"style":695},"import { enableDiagnosticsChannel } from 'evlog\u002Fdiagnostics'\n\nexport default defineNitroPlugin(async () => {\n  await enableDiagnosticsChannel()\n})\n","server\u002Fplugins\u002Fevlog-diagnostics.ts",[618,766,767,785,789,816,827],{"__ignoreMap":695},[699,768,769,771,773,775,777,779,781,783],{"class":701,"line":702},[699,770,706],{"class":705},[699,772,710],{"class":709},[699,774,714],{"class":713},[699,776,717],{"class":709},[699,778,720],{"class":705},[699,780,723],{"class":709},[699,782,727],{"class":726},[699,784,730],{"class":709},[699,786,787],{"class":701,"line":733},[699,788,737],{"emptyLinePlaceholder":736},[699,790,791,794,797,800,803,807,810,813],{"class":701,"line":740},[699,792,793],{"class":705},"export",[699,795,796],{"class":705}," 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await",[699,823,714],{"class":746},[699,825,749],{"class":826},"swJcz",[699,828,830,833],{"class":701,"line":829},5,[699,831,832],{"class":709},"}",[699,834,835],{"class":713},")\n",[690,837,838],{"className":692,"code":763,"filename":255,"language":694,"meta":764,"style":695},[618,839,840,858,862,880,888],{"__ignoreMap":695},[699,841,842,844,846,848,850,852,854,856],{"class":701,"line":702},[699,843,706],{"class":705},[699,845,710],{"class":709},[699,847,714],{"class":713},[699,849,717],{"class":709},[699,851,720],{"class":705},[699,853,723],{"class":709},[699,855,727],{"class":726},[699,857,730],{"class":709},[699,859,860],{"class":701,"line":733},[699,861,737],{"emptyLinePlaceholder":736},[699,863,864,866,868,870,872,874,876,878],{"class":701,"line":740},[699,865,793],{"class":705},[699,867,796],{"class":705},[699,869,799],{"class":746},[699,871,802],{"class":713},[699,873,806],{"class":805},[699,875,809],{"class":709},[699,877,812],{"class":805},[699,879,815],{"class":709},[699,881,882,884,886],{"class":701,"line":818},[699,883,821],{"class":705},[699,885,714],{"class":746},[699,887,749],{"class":826},[699,889,890,892],{"class":701,"line":829},[699,891,832],{"class":709},[699,893,835],{"class":713},[690,895,898],{"className":692,"code":896,"filename":245,"language":694,"meta":897,"style":695},"import { defineNodeInstrumentation } from 'evlog\u002Fnext\u002Finstrumentation'\n\nexport const { register, onRequestError } = defineNodeInstrumentation(async () => {\n  const { createInstrumentation } = await import('evlog\u002Fnext\u002Finstrumentation\u002Fcreate')\n  const { enableDiagnosticsChannel } = await import('evlog\u002Fdiagnostics')\n  const { register: evlogRegister, onRequestError } = createInstrumentation({ service: 'my-app' })\n\n  return {\n    async register() {\n      await evlogRegister()\n      await enableDiagnosticsChannel()\n    },\n    onRequestError,\n  }\n})\n","instrumentation.ts",[618,899,900,920,924,959,991,1017,1063,1068,1076,1089,1099,1108,1114,1123,1129],{"__ignoreMap":695},[699,901,902,904,906,909,911,913,915,918],{"class":701,"line":702},[699,903,706],{"class":705},[699,905,710],{"class":709},[699,907,908],{"class":713}," defineNodeInstrumentation",[699,910,717],{"class":709},[699,912,720],{"class":705},[699,914,723],{"class":709},[699,916,917],{"class":726},"evlog\u002Fnext\u002Finstrumentation",[699,919,730],{"class":709},[699,921,922],{"class":701,"line":733},[699,923,737],{"emptyLinePlaceholder":736},[699,925,926,928,931,933,936,939,942,944,947,949,951,953,955,957],{"class":701,"line":740},[699,927,793],{"class":705},[699,929,930],{"class":805}," const",[699,932,710],{"class":709},[699,934,935],{"class":713}," register",[699,937,938],{"class":709},",",[699,940,941],{"class":713}," onRequestError ",[699,943,832],{"class":709},[699,945,946],{"class":709}," =",[699,948,908],{"class":746},[699,950,802],{"class":713},[699,952,806],{"class":805},[699,954,809],{"class":709},[699,956,812],{"class":805},[699,958,815],{"class":709},[699,960,961,964,966,969,971,973,976,979,981,984,987,989],{"class":701,"line":818},[699,962,963],{"class":805},"  const",[699,965,710],{"class":709},[699,967,968],{"class":713}," 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await",[699,1096,1030],{"class":746},[699,1098,749],{"class":826},[699,1100,1102,1104,1106],{"class":701,"line":1101},11,[699,1103,1094],{"class":705},[699,1105,714],{"class":746},[699,1107,749],{"class":826},[699,1109,1111],{"class":701,"line":1110},12,[699,1112,1113],{"class":709},"    },\n",[699,1115,1117,1120],{"class":701,"line":1116},13,[699,1118,1119],{"class":713},"    onRequestError",[699,1121,1122],{"class":709},",\n",[699,1124,1126],{"class":701,"line":1125},14,[699,1127,1128],{"class":709},"  }\n",[699,1130,1132,1134],{"class":701,"line":1131},15,[699,1133,832],{"class":709},[699,1135,835],{"class":713},[690,1137,1140],{"className":692,"code":1138,"filename":250,"language":694,"meta":1139,"style":695},"import { createEvlogHooks } from 'evlog\u002Fsveltekit'\nimport { enableDiagnosticsChannel } from 'evlog\u002Fdiagnostics'\n\nawait enableDiagnosticsChannel()\n\nexport const { handle, handleError } = createEvlogHooks()\n","src\u002Fhooks.server.ts",[618,1141,1142,1162,1180,1184,1192,1196],{"__ignoreMap":695},[699,1143,1144,1146,1148,1151,1153,1155,1157,1160],{"class":701,"line":702},[699,1145,706],{"class":705},[699,1147,710],{"class":709},[699,1149,1150],{"class":713}," createEvlogHooks",[699,1152,717],{"class":709},[699,1154,720],{"class":705},[699,1156,723],{"class":709},[699,1158,1159],{"class":726},"evlog\u002Fsveltekit",[699,1161,730],{"class":709},[699,1163,1164,1166,1168,1170,1172,1174,1176,1178],{"class":701,"line":733},[699,1165,706],{"class":705},[699,1167,710],{"class":709},[699,1169,714],{"class":713},[699,1171,717],{"class":709},[699,1173,720],{"class":705},[699,1175,723],{"class":709},[699,1177,727],{"class":726},[699,1179,730],{"class":709},[699,1181,1182],{"class":701,"line":740},[699,1183,737],{"emptyLinePlaceholder":736},[699,1185,1186,1188,1190],{"class":701,"line":818},[699,1187,743],{"class":705},[699,1189,714],{"class":746},[699,1191,749],{"class":713},[699,1193,1194],{"class":701,"line":829},[699,1195,737],{"emptyLinePlaceholder":736},[699,1197,1198,1200,1202,1204,1207,1209,1212,1214,1216,1218],{"class":701,"line":1019},[699,1199,793],{"class":705},[699,1201,930],{"class":805},[699,1203,710],{"class":709},[699,1205,1206],{"class":713}," handle",[699,1208,938],{"class":709},[699,1210,1211],{"class":713}," handleError ",[699,1213,832],{"class":709},[699,1215,946],{"class":709},[699,1217,1150],{"class":746},[699,1219,749],{"class":713},[690,1221,1224],{"className":692,"code":1222,"filename":275,"language":694,"meta":1223,"style":695},"\u002F\u002F Same shape for Express, Fastify, Elysia, NestJS and oRPC:\n\u002F\u002F enable once in the server entry, before the app starts serving.\nimport { Hono } from 'hono'\nimport { evlog } from 'evlog\u002Fhono'\nimport { enableDiagnosticsChannel } from 'evlog\u002Fdiagnostics'\n\nawait enableDiagnosticsChannel()\n\nconst app = new Hono()\napp.use(evlog())\n","src\u002Findex.ts",[618,1225,1226,1232,1237,1257,1277,1295,1299,1307,1311,1329],{"__ignoreMap":695},[699,1227,1228],{"class":701,"line":702},[699,1229,1231],{"class":1230},"sHwdD","\u002F\u002F Same shape for Express, Fastify, Elysia, NestJS and oRPC:\n",[699,1233,1234],{"class":701,"line":733},[699,1235,1236],{"class":1230},"\u002F\u002F enable once in the server entry, before the app starts serving.\n",[699,1238,1239,1241,1243,1246,1248,1250,1252,1255],{"class":701,"line":740},[699,1240,706],{"class":705},[699,1242,710],{"class":709},[699,1244,1245],{"class":713}," Hono",[699,1247,717],{"class":709},[699,1249,720],{"class":705},[699,1251,723],{"class":709},[699,1253,1254],{"class":726},"hono",[699,1256,730],{"class":709},[699,1258,1259,1261,1263,1266,1268,1270,1272,1275],{"class":701,"line":818},[699,1260,706],{"class":705},[699,1262,710],{"class":709},[699,1264,1265],{"class":713}," evlog",[699,1267,717],{"class":709},[699,1269,720],{"class":705},[699,1271,723],{"class":709},[699,1273,1274],{"class":726},"evlog\u002Fhono",[699,1276,730],{"class":709},[699,1278,1279,1281,1283,1285,1287,1289,1291,1293],{"class":701,"line":829},[699,1280,706],{"class":705},[699,1282,710],{"class":709},[699,1284,714],{"class":713},[699,1286,717],{"class":709},[699,1288,720],{"class":705},[699,1290,723],{"class":709},[699,1292,727],{"class":726},[699,1294,730],{"class":709},[699,1296,1297],{"class":701,"line":1019},[699,1298,737],{"emptyLinePlaceholder":736},[699,1300,1301,1303,1305],{"class":701,"line":1065},[699,1302,743],{"class":705},[699,1304,714],{"class":746},[699,1306,749],{"class":713},[699,1308,1309],{"class":701,"line":1070},[699,1310,737],{"emptyLinePlaceholder":736},[699,1312,1313,1316,1319,1322,1325,1327],{"class":701,"line":1078},[699,1314,1315],{"class":805},"const",[699,1317,1318],{"class":713}," app ",[699,1320,1321],{"class":709},"=",[699,1323,1324],{"class":709}," new",[699,1326,1245],{"class":746},[699,1328,749],{"class":713},[699,1330,1331,1334,1336,1339,1341,1344],{"class":701,"line":1091},[699,1332,1333],{"class":713},"app",[699,1335,629],{"class":709},[699,1337,1338],{"class":746},"use",[699,1340,802],{"class":713},[699,1342,1343],{"class":746},"evlog",[699,1345,1346],{"class":713},"())\n",[690,1348,1351],{"className":692,"code":1349,"filename":295,"language":694,"meta":1350,"style":695},"\u002F\u002F Needs the nodejs_compat flag\nimport { initWorkersLogger, withEvlog } from 'evlog\u002Fworkers'\nimport { enableDiagnosticsChannel } from 'evlog\u002Fdiagnostics'\n\ninitWorkersLogger({ env: { service: 'my-worker' } })\nawait enableDiagnosticsChannel()\n\nexport default withEvlog(async (request, env, ctx, log) => {\n  log.set({ action: 'handle_request' })\n  return Response.json({ ok: true })\n})\n","src\u002Fworker.ts",[618,1352,1353,1358,1383,1401,1405,1438,1446,1450,1490,1520,1549],{"__ignoreMap":695},[699,1354,1355],{"class":701,"line":702},[699,1356,1357],{"class":1230},"\u002F\u002F Needs the nodejs_compat flag\n",[699,1359,1360,1362,1364,1367,1369,1372,1374,1376,1378,1381],{"class":701,"line":733},[699,1361,706],{"class":705},[699,1363,710],{"class":709},[699,1365,1366],{"class":713}," initWorkersLogger",[699,1368,938],{"class":709},[699,1370,1371],{"class":713}," withEvlog",[699,1373,717],{"class":709},[699,1375,720],{"class":705},[699,1377,723],{"class":709},[699,1379,1380],{"class":726},"evlog\u002Fworkers",[699,1382,730],{"class":709},[699,1384,1385,1387,1389,1391,1393,1395,1397,1399],{"class":701,"line":740},[699,1386,706],{"class":705},[699,1388,710],{"class":709},[699,1390,714],{"class":713},[699,1392,717],{"class":709},[699,1394,720],{"class":705},[699,1396,723],{"class":709},[699,1398,727],{"class":726},[699,1400,730],{"class":709},[699,1402,1403],{"class":701,"line":818},[699,1404,737],{"emptyLinePlaceholder":736},[699,1406,1407,1410,1412,1414,1417,1419,1421,1423,1425,1427,1430,1432,1434,1436],{"class":701,"line":829},[699,1408,1409],{"class":746},"initWorkersLogger",[699,1411,802],{"class":713},[699,1413,1046],{"class":709},[699,1415,1416],{"class":826}," env",[699,1418,645],{"class":709},[699,1420,710],{"class":709},[699,1422,1049],{"class":826},[699,1424,645],{"class":709},[699,1426,723],{"class":709},[699,1428,1429],{"class":726},"my-worker",[699,1431,983],{"class":709},[699,1433,717],{"class":709},[699,1435,717],{"class":709},[699,1437,835],{"class":713},[699,1439,1440,1442,1444],{"class":701,"line":1019},[699,1441,743],{"class":705},[699,1443,714],{"class":746},[699,1445,749],{"class":713},[699,1447,1448],{"class":701,"line":1065},[699,1449,737],{"emptyLinePlaceholder":736},[699,1451,1452,1454,1456,1458,1460,1462,1465,1469,1471,1473,1475,1478,1480,1483,1486,1488],{"class":701,"line":1070},[699,1453,793],{"class":705},[699,1455,796],{"class":705},[699,1457,1371],{"class":746},[699,1459,802],{"class":713},[699,1461,806],{"class":805},[699,1463,1464],{"class":709}," (",[699,1466,1468],{"class":1467},"sHdIc","request",[699,1470,938],{"class":709},[699,1472,1416],{"class":1467},[699,1474,938],{"class":709},[699,1476,1477],{"class":1467}," ctx",[699,1479,938],{"class":709},[699,1481,1482],{"class":1467}," log",[699,1484,1485],{"class":709},")",[699,1487,812],{"class":805},[699,1489,815],{"class":709},[699,1491,1492,1495,1497,1500,1502,1504,1507,1509,1511,1514,1516,1518],{"class":701,"line":1078},[699,1493,1494],{"class":713},"  log",[699,1496,629],{"class":709},[699,1498,1499],{"class":746},"set",[699,1501,802],{"class":826},[699,1503,1046],{"class":709},[699,1505,1506],{"class":826}," action",[699,1508,645],{"class":709},[699,1510,723],{"class":709},[699,1512,1513],{"class":726},"handle_request",[699,1515,983],{"class":709},[699,1517,717],{"class":709},[699,1519,835],{"class":826},[699,1521,1522,1524,1527,1529,1532,1534,1536,1539,1541,1545,1547],{"class":701,"line":1091},[699,1523,1073],{"class":705},[699,1525,1526],{"class":713}," Response",[699,1528,629],{"class":709},[699,1530,1531],{"class":746},"json",[699,1533,802],{"class":826},[699,1535,1046],{"class":709},[699,1537,1538],{"class":826}," ok",[699,1540,645],{"class":709},[699,1542,1544],{"class":1543},"sfNiH"," true",[699,1546,717],{"class":709},[699,1548,835],{"class":826},[699,1550,1551,1553],{"class":701,"line":1101},[699,1552,832],{"class":709},[699,1554,835],{"class":713},[690,1556,1558],{"className":692,"code":1557,"filename":300,"language":694,"meta":695,"style":695},"\u002F\u002F Any Node, Bun or Deno entry point\nimport { initLogger } from 'evlog'\nimport { enableDiagnosticsChannel } from 'evlog\u002Fdiagnostics'\n\ninitLogger({ env: { service: 'worker' } })\nawait enableDiagnosticsChannel()\n",[618,1559,1560,1565,1584,1602,1606,1638],{"__ignoreMap":695},[699,1561,1562],{"class":701,"line":702},[699,1563,1564],{"class":1230},"\u002F\u002F Any Node, Bun or Deno entry point\n",[699,1566,1567,1569,1571,1574,1576,1578,1580,1582],{"class":701,"line":733},[699,1568,706],{"class":705},[699,1570,710],{"class":709},[699,1572,1573],{"class":713}," initLogger",[699,1575,717],{"class":709},[699,1577,720],{"class":705},[699,1579,723],{"class":709},[699,1581,1343],{"class":726},[699,1583,730],{"class":709},[699,1585,1586,1588,1590,1592,1594,1596,1598,1600],{"class":701,"line":740},[699,1587,706],{"class":705},[699,1589,710],{"class":709},[699,1591,714],{"class":713},[699,1593,717],{"class":709},[699,1595,720],{"class":705},[699,1597,723],{"class":709},[699,1599,727],{"class":726},[699,1601,730],{"class":709},[699,1603,1604],{"class":701,"line":818},[699,1605,737],{"emptyLinePlaceholder":736},[699,1607,1608,1611,1613,1615,1617,1619,1621,1623,1625,1627,1630,1632,1634,1636],{"class":701,"line":829},[699,1609,1610],{"class":746},"initLogger",[699,1612,802],{"class":713},[699,1614,1046],{"class":709},[699,1616,1416],{"class":826},[699,1618,645],{"class":709},[699,1620,710],{"class":709},[699,1622,1049],{"class":826},[699,1624,645],{"class":709},[699,1626,723],{"class":709},[699,1628,1629],{"class":726},"worker",[699,1631,983],{"class":709},[699,1633,717],{"class":709},[699,1635,717],{"class":709},[699,1637,835],{"class":713},[699,1639,1640,1642,1644],{"class":701,"line":1019},[699,1641,743],{"class":705},[699,1643,714],{"class":746},[699,1645,749],{"class":713},[609,1647,1648,1651,1652,1654,1655,1657,1658,1660],{},[618,1649,1650],{},"enableDiagnosticsChannel()"," is async because it loads ",[618,1653,620],{}," lazily, which is what keeps the built-in out of the main bundle for Convex, workerd and other non-Node targets. Events emitted before the promise settles are not published, so call it at startup rather than inside a request. Frameworks whose entry point cannot use top-level ",[618,1656,743],{}," should call it from the same place they call ",[618,1659,628],{},", and await it there.",[1662,1663,1665,1666,1668,1669,1671],"callout",{"color":1664,"icon":13},"info","This is an observation side channel, not a transport. Subscribers run synchronously and are not awaited: no batching, no retry, no ",[618,1667,673],{},". For delivery to a backend, use a ",[612,1670,644],{"href":530},"; both see the same event.",[631,1673,1675],{"id":1674},"subscribing","Subscribing",[609,1677,1678],{},"The point of the channel is that a consumer needs nothing from evlog but the channel name:",[690,1680,1683],{"className":692,"code":1681,"filename":1682,"language":694,"meta":695,"style":695},"import { channel } from 'node:diagnostics_channel'\n\n\u002F** The published message. Declared locally so this file needs no evlog import. *\u002F\ntype EvlogMessage = { event: Record\u003Cstring, unknown> & { level: string; service: string } }\n\nchannel('evlog.event').subscribe((message) => {\n  const { event } = message as EvlogMessage\n  if (event.level === 'error') metrics.increment('errors', { path: String(event.path ?? 'unknown') })\n})\n","metrics.ts",[618,1684,1685,1704,1708,1713,1775,1779,1811,1832,1902],{"__ignoreMap":695},[699,1686,1687,1689,1691,1694,1696,1698,1700,1702],{"class":701,"line":702},[699,1688,706],{"class":705},[699,1690,710],{"class":709},[699,1692,1693],{"class":713}," channel",[699,1695,717],{"class":709},[699,1697,720],{"class":705},[699,1699,723],{"class":709},[699,1701,620],{"class":726},[699,1703,730],{"class":709},[699,1705,1706],{"class":701,"line":733},[699,1707,737],{"emptyLinePlaceholder":736},[699,1709,1710],{"class":701,"line":740},[699,1711,1712],{"class":1230},"\u002F** The published message. Declared locally so this file needs no evlog import. *\u002F\n",[699,1714,1715,1718,1722,1724,1726,1729,1731,1734,1737,1740,1742,1745,1748,1751,1753,1756,1758,1761,1764,1766,1768,1770,1772],{"class":701,"line":818},[699,1716,1717],{"class":805},"type",[699,1719,1721],{"class":1720},"sBMFI"," EvlogMessage",[699,1723,946],{"class":709},[699,1725,710],{"class":709},[699,1727,1728],{"class":826}," event",[699,1730,645],{"class":709},[699,1732,1733],{"class":1720}," Record",[699,1735,1736],{"class":709},"\u003C",[699,1738,1739],{"class":1720},"string",[699,1741,938],{"class":709},[699,1743,1744],{"class":1720}," unknown",[699,1746,1747],{"class":709},">",[699,1749,1750],{"class":709}," &",[699,1752,710],{"class":709},[699,1754,1755],{"class":826}," level",[699,1757,645],{"class":709},[699,1759,1760],{"class":1720}," string",[699,1762,1763],{"class":709},";",[699,1765,1049],{"class":826},[699,1767,645],{"class":709},[699,1769,1760],{"class":1720},[699,1771,717],{"class":709},[699,1773,1774],{"class":709}," }\n",[699,1776,1777],{"class":701,"line":829},[699,1778,737],{"emptyLinePlaceholder":736},[699,1780,1781,1784,1786,1788,1790,1792,1795,1798,1800,1802,1805,1807,1809],{"class":701,"line":1019},[699,1782,1783],{"class":1720},"channel",[699,1785,802],{"class":713},[699,1787,983],{"class":709},[699,1789,624],{"class":726},[699,1791,983],{"class":709},[699,1793,1794],{"class":713},").",[699,1796,1797],{"class":1720},"subscribe",[699,1799,802],{"class":713},[699,1801,802],{"class":709},[699,1803,1804],{"class":1467},"message",[699,1806,1485],{"class":709},[699,1808,812],{"class":805},[699,1810,815],{"class":709},[699,1812,1813,1815,1817,1819,1821,1824,1826,1829],{"class":701,"line":1065},[699,1814,963],{"class":1720},[699,1816,710],{"class":709},[699,1818,1728],{"class":826},[699,1820,717],{"class":709},[699,1822,1823],{"class":713}," = ",[699,1825,1804],{"class":1720},[699,1827,1828],{"class":1720}," as",[699,1830,1831],{"class":826}," EvlogMessage\n",[699,1833,1834,1837,1839,1842,1844,1847,1849,1851,1854,1857,1859,1861,1864,1866,1868,1870,1873,1875,1878,1881,1883,1886,1889,1891,1894,1896,1899],{"class":701,"line":1070},[699,1835,1836],{"class":826},"  if",[699,1838,1464],{"class":709},[699,1840,1841],{"class":713},"event.level === ",[699,1843,983],{"class":709},[699,1845,1846],{"class":726},"error",[699,1848,983],{"class":709},[699,1850,1485],{"class":709},[699,1852,1853],{"class":713}," metrics.",[699,1855,1856],{"class":826},"increment",[699,1858,802],{"class":709},[699,1860,983],{"class":709},[699,1862,1863],{"class":726},"errors",[699,1865,983],{"class":709},[699,1867,938],{"class":709},[699,1869,710],{"class":709},[699,1871,1872],{"class":826}," path",[699,1874,645],{"class":709},[699,1876,1877],{"class":1467}," String",[699,1879,1880],{"class":713},"(event",[699,1882,629],{"class":709},[699,1884,1885],{"class":713},"path ",[699,1887,1888],{"class":709},"??",[699,1890,723],{"class":709},[699,1892,1893],{"class":726},"unknown",[699,1895,983],{"class":709},[699,1897,1898],{"class":713},") ",[699,1900,1901],{"class":709},"})\n",[699,1903,1904,1906],{"class":701,"line":1078},[699,1905,832],{"class":709},[699,1907,835],{"class":713},[609,1909,1910,1911,1913,1914,1917,1918,1921],{},"Node types the published message as ",[618,1912,1893],{},", so narrow it once at the top of your handler. ",[618,1915,1916],{},"channel(name).subscribe()"," is used rather than the module-level ",[618,1919,1920],{},"subscribe()"," because it exists on every Node that evlog supports.",[609,1923,1924],{},"If you already depend on evlog and want the payload typed:",[690,1926,1929],{"className":692,"code":1927,"filename":1928,"language":694,"meta":695,"style":695},"import { subscribeToWideEvents } from 'evlog\u002Fdiagnostics'\n\nconst stop = await subscribeToWideEvents((event) => {\n  \u002F\u002F                                       ^? WideEvent\n  if (typeof event.status === 'number' && event.status >= 500) {\n    alerts.push({ path: String(event.path ?? '-'), requestId: String(event.requestId ?? '-') })\n  }\n})\n","alerts.ts",[618,1930,1931,1950,1954,1980,1985,2032,2105,2109],{"__ignoreMap":695},[699,1932,1933,1935,1937,1940,1942,1944,1946,1948],{"class":701,"line":702},[699,1934,706],{"class":705},[699,1936,710],{"class":709},[699,1938,1939],{"class":713}," subscribeToWideEvents",[699,1941,717],{"class":709},[699,1943,720],{"class":705},[699,1945,723],{"class":709},[699,1947,727],{"class":726},[699,1949,730],{"class":709},[699,1951,1952],{"class":701,"line":733},[699,1953,737],{"emptyLinePlaceholder":736},[699,1955,1956,1958,1961,1963,1965,1967,1969,1971,1974,1976,1978],{"class":701,"line":740},[699,1957,1315],{"class":805},[699,1959,1960],{"class":713}," stop ",[699,1962,1321],{"class":709},[699,1964,975],{"class":705},[699,1966,1939],{"class":746},[699,1968,802],{"class":713},[699,1970,802],{"class":709},[699,1972,1973],{"class":1467},"event",[699,1975,1485],{"class":709},[699,1977,812],{"class":805},[699,1979,815],{"class":709},[699,1981,1982],{"class":701,"line":818},[699,1983,1984],{"class":1230},"  \u002F\u002F                                       ^? WideEvent\n",[699,1986,1987,1989,1991,1994,1996,1998,2001,2004,2006,2009,2011,2014,2016,2018,2020,2023,2027,2029],{"class":701,"line":829},[699,1988,1836],{"class":705},[699,1990,1464],{"class":826},[699,1992,1993],{"class":709},"typeof",[699,1995,1728],{"class":713},[699,1997,629],{"class":709},[699,1999,2000],{"class":713},"status",[699,2002,2003],{"class":709}," ===",[699,2005,723],{"class":709},[699,2007,2008],{"class":726},"number",[699,2010,983],{"class":709},[699,2012,2013],{"class":709}," &&",[699,2015,1728],{"class":713},[699,2017,629],{"class":709},[699,2019,2000],{"class":713},[699,2021,2022],{"class":709}," >=",[699,2024,2026],{"class":2025},"sbssI"," 500",[699,2028,1898],{"class":826},[699,2030,2031],{"class":709},"{\n",[699,2033,2034,2037,2039,2042,2044,2046,2048,2050,2052,2054,2056,2058,2061,2064,2066,2069,2071,2073,2075,2078,2080,2082,2084,2086,2088,2091,2093,2095,2097,2099,2101,2103],{"class":701,"line":1019},[699,2035,2036],{"class":713},"    alerts",[699,2038,629],{"class":709},[699,2040,2041],{"class":746},"push",[699,2043,802],{"class":826},[699,2045,1046],{"class":709},[699,2047,1872],{"class":826},[699,2049,645],{"class":709},[699,2051,1877],{"class":746},[699,2053,802],{"class":826},[699,2055,1973],{"class":713},[699,2057,629],{"class":709},[699,2059,2060],{"class":713},"path",[699,2062,2063],{"class":709}," ??",[699,2065,723],{"class":709},[699,2067,2068],{"class":726},"-",[699,2070,983],{"class":709},[699,2072,1485],{"class":826},[699,2074,938],{"class":709},[699,2076,2077],{"class":826}," requestId",[699,2079,645],{"class":709},[699,2081,1877],{"class":746},[699,2083,802],{"class":826},[699,2085,1973],{"class":713},[699,2087,629],{"class":709},[699,2089,2090],{"class":713},"requestId",[699,2092,2063],{"class":709},[699,2094,723],{"class":709},[699,2096,2068],{"class":726},[699,2098,983],{"class":709},[699,2100,1898],{"class":826},[699,2102,832],{"class":709},[699,2104,835],{"class":826},[699,2106,2107],{"class":701,"line":1065},[699,2108,1128],{"class":709},[699,2110,2111,2113],{"class":701,"line":1070},[699,2112,832],{"class":709},[699,2114,835],{"class":713},[609,2116,2117,2118,2121,2122,2124],{},"Fields beyond the ",[612,2119,2120],{"href":52},"base event"," are typed ",[618,2123,1893],{},", and events emitted outside a request carry no HTTP fields at all, so narrow before using them rather than casting.",[631,2126,2128],{"id":2127},"what-a-subscriber-receives","What a subscriber receives",[609,2130,2131],{},"The same object a drain receives: post-audit, post-redaction, post-enrich. Requests carry everything enrichers added: geo, user agent, trace context:",[690,2133,2136],{"className":2134,"code":2135,"language":1531,"meta":695,"style":695},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"timestamp\": \"2026-08-02T10:23:45.612Z\",\n  \"level\": \"error\",\n  \"service\": \"checkout\",\n  \"environment\": \"production\",\n  \"method\": \"POST\",\n  \"path\": \"\u002Fapi\u002Fcheckout\",\n  \"status\": 500,\n  \"duration\": \"1.20s\",\n  \"requestId\": \"4a8ff3a8-...\",\n  \"user\": { \"id\": \"usr_123\", \"plan\": \"premium\" },\n  \"error\": { \"name\": \"PaymentDeclined\", \"message\": \"Card declined\" }\n}\n",[618,2137,2138,2142,2165,2184,2204,2224,2244,2263,2277,2297,2316,2366,2413],{"__ignoreMap":695},[699,2139,2140],{"class":701,"line":702},[699,2141,2031],{"class":709},[699,2143,2144,2147,2150,2153,2155,2158,2161,2163],{"class":701,"line":733},[699,2145,2146],{"class":709},"  \"",[699,2148,2149],{"class":805},"timestamp",[699,2151,2152],{"class":709},"\"",[699,2154,645],{"class":709},[699,2156,2157],{"class":709}," \"",[699,2159,2160],{"class":726},"2026-08-02T10:23:45.612Z",[699,2162,2152],{"class":709},[699,2164,1122],{"class":709},[699,2166,2167,2169,2172,2174,2176,2178,2180,2182],{"class":701,"line":740},[699,2168,2146],{"class":709},[699,2170,2171],{"class":805},"level",[699,2173,2152],{"class":709},[699,2175,645],{"class":709},[699,2177,2157],{"class":709},[699,2179,1846],{"class":726},[699,2181,2152],{"class":709},[699,2183,1122],{"class":709},[699,2185,2186,2188,2191,2193,2195,2197,2200,2202],{"class":701,"line":818},[699,2187,2146],{"class":709},[699,2189,2190],{"class":805},"service",[699,2192,2152],{"class":709},[699,2194,645],{"class":709},[699,2196,2157],{"class":709},[699,2198,2199],{"class":726},"checkout",[699,2201,2152],{"class":709},[699,2203,1122],{"class":709},[699,2205,2206,2208,2211,2213,2215,2217,2220,2222],{"class":701,"line":829},[699,2207,2146],{"class":709},[699,2209,2210],{"class":805},"environment",[699,2212,2152],{"class":709},[699,2214,645],{"class":709},[699,2216,2157],{"class":709},[699,2218,2219],{"class":726},"production",[699,2221,2152],{"class":709},[699,2223,1122],{"class":709},[699,2225,2226,2228,2231,2233,2235,2237,2240,2242],{"class":701,"line":1019},[699,2227,2146],{"class":709},[699,2229,2230],{"class":805},"method",[699,2232,2152],{"class":709},[699,2234,645],{"class":709},[699,2236,2157],{"class":709},[699,2238,2239],{"class":726},"POST",[699,2241,2152],{"class":709},[699,2243,1122],{"class":709},[699,2245,2246,2248,2250,2252,2254,2256,2259,2261],{"class":701,"line":1065},[699,2247,2146],{"class":709},[699,2249,2060],{"class":805},[699,2251,2152],{"class":709},[699,2253,645],{"class":709},[699,2255,2157],{"class":709},[699,2257,2258],{"class":726},"\u002Fapi\u002Fcheckout",[699,2260,2152],{"class":709},[699,2262,1122],{"class":709},[699,2264,2265,2267,2269,2271,2273,2275],{"class":701,"line":1070},[699,2266,2146],{"class":709},[699,2268,2000],{"class":805},[699,2270,2152],{"class":709},[699,2272,645],{"class":709},[699,2274,2026],{"class":2025},[699,2276,1122],{"class":709},[699,2278,2279,2281,2284,2286,2288,2290,2293,2295],{"class":701,"line":1078},[699,2280,2146],{"class":709},[699,2282,2283],{"class":805},"duration",[699,2285,2152],{"class":709},[699,2287,645],{"class":709},[699,2289,2157],{"class":709},[699,2291,2292],{"class":726},"1.20s",[699,2294,2152],{"class":709},[699,2296,1122],{"class":709},[699,2298,2299,2301,2303,2305,2307,2309,2312,2314],{"class":701,"line":1091},[699,2300,2146],{"class":709},[699,2302,2090],{"class":805},[699,2304,2152],{"class":709},[699,2306,645],{"class":709},[699,2308,2157],{"class":709},[699,2310,2311],{"class":726},"4a8ff3a8-...",[699,2313,2152],{"class":709},[699,2315,1122],{"class":709},[699,2317,2318,2320,2323,2325,2327,2329,2331,2334,2336,2338,2340,2343,2345,2347,2349,2352,2354,2356,2358,2361,2363],{"class":701,"line":1101},[699,2319,2146],{"class":709},[699,2321,2322],{"class":805},"user",[699,2324,2152],{"class":709},[699,2326,645],{"class":709},[699,2328,710],{"class":709},[699,2330,2157],{"class":709},[699,2332,2333],{"class":1720},"id",[699,2335,2152],{"class":709},[699,2337,645],{"class":709},[699,2339,2157],{"class":709},[699,2341,2342],{"class":726},"usr_123",[699,2344,2152],{"class":709},[699,2346,938],{"class":709},[699,2348,2157],{"class":709},[699,2350,2351],{"class":1720},"plan",[699,2353,2152],{"class":709},[699,2355,645],{"class":709},[699,2357,2157],{"class":709},[699,2359,2360],{"class":726},"premium",[699,2362,2152],{"class":709},[699,2364,2365],{"class":709}," },\n",[699,2367,2368,2370,2372,2374,2376,2378,2380,2383,2385,2387,2389,2392,2394,2396,2398,2400,2402,2404,2406,2409,2411],{"class":701,"line":1110},[699,2369,2146],{"class":709},[699,2371,1846],{"class":805},[699,2373,2152],{"class":709},[699,2375,645],{"class":709},[699,2377,710],{"class":709},[699,2379,2157],{"class":709},[699,2381,2382],{"class":1720},"name",[699,2384,2152],{"class":709},[699,2386,645],{"class":709},[699,2388,2157],{"class":709},[699,2390,2391],{"class":726},"PaymentDeclined",[699,2393,2152],{"class":709},[699,2395,938],{"class":709},[699,2397,2157],{"class":709},[699,2399,1804],{"class":1720},[699,2401,2152],{"class":709},[699,2403,645],{"class":709},[699,2405,2157],{"class":709},[699,2407,2408],{"class":726},"Card declined",[699,2410,2152],{"class":709},[699,2412,1774],{"class":709},[699,2414,2415],{"class":701,"line":1116},[699,2416,2417],{"class":709},"}\n",[609,2419,2420,2421,2424,2425,2428,2429,2432,2433,2436,2437,629],{},"Events emitted outside a request (",[618,2422,2423],{},"log.info({ ... })",", ",[618,2426,2427],{},"createLogger().emit()",") arrive without the HTTP fields, and events from ",[618,2430,2431],{},"log.fork()"," carry ",[618,2434,2435],{},"operation"," and ",[618,2438,2439],{},"_parentRequestId",[1662,2441,2444,2445,2448,2449,2452],{"color":2442,"icon":2443},"warning","i-lucide-triangle-alert","The event is the live object, not a copy, so mutating it mutates what drains receive. Treat it as read-only. And a subscriber that throws is ",[653,2446,2447],{},"not"," contained: ",[618,2450,2451],{},"Channel.publish()"," re-raises it as an uncaught exception on the next tick, which is fatal in most apps. Keep subscribers total.",[609,2454,2455,2456,2459],{},"In pretty mode (the dev default), tagged logs like ",[618,2457,2458],{},"log.info('auth', 'User logged in')"," are written straight to the console and never become wide events, so they do not appear on the channel. Wide events themselves are published in both modes.",[631,2461,2463],{"id":2462},"what-you-can-build","What you can build",[2465,2466,2468],"h3",{"id":2467},"an-integration-that-does-not-depend-on-evlog","An integration that does not depend on evlog",[609,2470,2471,2472,2474],{},"A package that subscribes needs the channel name and nothing else: no ",[618,2473,1343],{}," dependency, no peer range to keep in sync, no wiring in the host app beyond importing it:",[690,2476,2479],{"className":692,"code":2477,"filename":2478,"language":694,"meta":695,"style":695},"import { channel } from 'node:diagnostics_channel'\n\ntype EvlogMessage = {\n  event: Record\u003Cstring, unknown> & { timestamp: string; level: string; service: string }\n}\n\nchannel('evlog.event').subscribe((message) => {\n  const { event } = message as EvlogMessage\n\n  acme.ingest({\n    at: event.timestamp,\n    level: event.level,\n    service: event.service,\n    attributes: event,\n  })\n})\n","acme-apm\u002Fsrc\u002Fevlog.ts",[618,2480,2481,2499,2503,2513,2561,2565,2569,2597,2615,2619,2633,2648,2663,2678,2689,2696],{"__ignoreMap":695},[699,2482,2483,2485,2487,2489,2491,2493,2495,2497],{"class":701,"line":702},[699,2484,706],{"class":705},[699,2486,710],{"class":709},[699,2488,1693],{"class":713},[699,2490,717],{"class":709},[699,2492,720],{"class":705},[699,2494,723],{"class":709},[699,2496,620],{"class":726},[699,2498,730],{"class":709},[699,2500,2501],{"class":701,"line":733},[699,2502,737],{"emptyLinePlaceholder":736},[699,2504,2505,2507,2509,2511],{"class":701,"line":740},[699,2506,1717],{"class":805},[699,2508,1721],{"class":1720},[699,2510,946],{"class":709},[699,2512,815],{"class":709},[699,2514,2515,2518,2520,2522,2524,2526,2528,2530,2532,2534,2536,2539,2541,2543,2545,2547,2549,2551,2553,2555,2557,2559],{"class":701,"line":818},[699,2516,2517],{"class":826},"  event",[699,2519,645],{"class":709},[699,2521,1733],{"class":1720},[699,2523,1736],{"class":709},[699,2525,1739],{"class":1720},[699,2527,938],{"class":709},[699,2529,1744],{"class":1720},[699,2531,1747],{"class":709},[699,2533,1750],{"class":709},[699,2535,710],{"class":709},[699,2537,2538],{"class":826}," timestamp",[699,2540,645],{"class":709},[699,2542,1760],{"class":1720},[699,2544,1763],{"class":709},[699,2546,1755],{"class":826},[699,2548,645],{"class":709},[699,2550,1760],{"class":1720},[699,2552,1763],{"class":709},[699,2554,1049],{"class":826},[699,2556,645],{"class":709},[699,2558,1760],{"class":1720},[699,2560,1774],{"class":709},[699,2562,2563],{"class":701,"line":829},[699,2564,2417],{"class":709},[699,2566,2567],{"class":701,"line":1019},[699,2568,737],{"emptyLinePlaceholder":736},[699,2570,2571,2573,2575,2577,2579,2581,2583,2585,2587,2589,2591,2593,2595],{"class":701,"line":1065},[699,2572,1783],{"class":1720},[699,2574,802],{"class":713},[699,2576,983],{"class":709},[699,2578,624],{"class":726},[699,2580,983],{"class":709},[699,2582,1794],{"class":713},[699,2584,1797],{"class":1720},[699,2586,802],{"class":713},[699,2588,802],{"class":709},[699,2590,1804],{"class":1467},[699,2592,1485],{"class":709},[699,2594,812],{"class":805},[699,2596,815],{"class":709},[699,2598,2599,2601,2603,2605,2607,2609,2611,2613],{"class":701,"line":1070},[699,2600,963],{"class":1720},[699,2602,710],{"class":709},[699,2604,1728],{"class":826},[699,2606,717],{"class":709},[699,2608,1823],{"class":713},[699,2610,1804],{"class":1720},[699,2612,1828],{"class":1720},[699,2614,1831],{"class":826},[699,2616,2617],{"class":701,"line":1078},[699,2618,737],{"emptyLinePlaceholder":736},[699,2620,2621,2624,2626,2629,2631],{"class":701,"line":1091},[699,2622,2623],{"class":1720},"  acme",[699,2625,629],{"class":709},[699,2627,2628],{"class":1720},"ingest",[699,2630,802],{"class":713},[699,2632,2031],{"class":709},[699,2634,2635,2638,2640,2642,2644,2646],{"class":701,"line":1101},[699,2636,2637],{"class":826},"    at",[699,2639,645],{"class":709},[699,2641,1728],{"class":1720},[699,2643,629],{"class":709},[699,2645,2149],{"class":1720},[699,2647,1122],{"class":709},[699,2649,2650,2653,2655,2657,2659,2661],{"class":701,"line":1110},[699,2651,2652],{"class":826},"    level",[699,2654,645],{"class":709},[699,2656,1728],{"class":1720},[699,2658,629],{"class":709},[699,2660,2171],{"class":1720},[699,2662,1122],{"class":709},[699,2664,2665,2668,2670,2672,2674,2676],{"class":701,"line":1116},[699,2666,2667],{"class":826},"    service",[699,2669,645],{"class":709},[699,2671,1728],{"class":1720},[699,2673,629],{"class":709},[699,2675,2190],{"class":1720},[699,2677,1122],{"class":709},[699,2679,2680,2683,2685,2687],{"class":701,"line":1125},[699,2681,2682],{"class":826},"    attributes",[699,2684,645],{"class":709},[699,2686,1728],{"class":1720},[699,2688,1122],{"class":709},[699,2690,2691,2694],{"class":701,"line":1131},[699,2692,2693],{"class":709},"  }",[699,2695,835],{"class":713},[699,2697,2699,2701],{"class":701,"line":2698},16,[699,2700,832],{"class":709},[699,2702,835],{"class":713},[690,2704,2707],{"className":692,"code":2705,"filename":2706,"language":694,"meta":695,"style":695},"import 'acme-apm\u002Fevlog'\n","the host app",[618,2708,2709],{"__ignoreMap":695},[699,2710,2711,2713,2715,2718],{"class":701,"line":702},[699,2712,706],{"class":705},[699,2714,723],{"class":709},[699,2716,2717],{"class":726},"acme-apm\u002Fevlog",[699,2719,730],{"class":709},[609,2721,2722,2723,629],{},"The same shape works for an internal library shared across services: one package subscribes, every service that imports it reports, and none of them touch ",[618,2724,628],{},[2465,2726,2728],{"id":2727},"counters-and-alerts-next-to-your-app","Counters and alerts next to your app",[609,2730,2731],{},"A subscriber is a plain function, so anything you can compute in-process you can compute here, without giving up the drain slot, which stays free for shipping events to your backend:",[690,2733,2736],{"className":692,"code":2734,"filename":2735,"language":694,"meta":695,"style":695},"import { channel } from 'node:diagnostics_channel'\n\nconst errorsByPath = new Map\u003Cstring, number>()\n\nchannel('evlog.event').subscribe((message) => {\n  const { event } = message as { event: Record\u003Cstring, unknown> & { level: string } }\n  if (event.level !== 'error') return\n\n  const path = String(event.path ?? 'unknown')\n  errorsByPath.set(path, (errorsByPath.get(path) ?? 0) + 1)\n\n  if (typeof event.status === 'number' && event.status >= 500) {\n    void pager.notify(`5xx on ${path}`, { requestId: event.requestId })\n  }\n})\n\nexport function errorCounts(): Record\u003Cstring, number> {\n  return Object.fromEntries(errorsByPath)\n}\n","observability.ts",[618,2737,2738,2756,2760,2787,2791,2821,2870,2896,2900,2928,2974,2978,3016,3063,3067,3073,3077,3105,3124],{"__ignoreMap":695},[699,2739,2740,2742,2744,2746,2748,2750,2752,2754],{"class":701,"line":702},[699,2741,706],{"class":705},[699,2743,710],{"class":709},[699,2745,1693],{"class":713},[699,2747,717],{"class":709},[699,2749,720],{"class":705},[699,2751,723],{"class":709},[699,2753,620],{"class":726},[699,2755,730],{"class":709},[699,2757,2758],{"class":701,"line":733},[699,2759,737],{"emptyLinePlaceholder":736},[699,2761,2762,2764,2767,2769,2771,2774,2776,2778,2780,2783,2785],{"class":701,"line":740},[699,2763,1315],{"class":805},[699,2765,2766],{"class":713}," errorsByPath ",[699,2768,1321],{"class":709},[699,2770,1324],{"class":709},[699,2772,2773],{"class":746}," Map",[699,2775,1736],{"class":709},[699,2777,1739],{"class":1720},[699,2779,938],{"class":709},[699,2781,2782],{"class":1720}," number",[699,2784,1747],{"class":709},[699,2786,749],{"class":713},[699,2788,2789],{"class":701,"line":818},[699,2790,737],{"emptyLinePlaceholder":736},[699,2792,2793,2795,2797,2799,2801,2803,2805,2807,2809,2811,2813,2815,2817,2819],{"class":701,"line":829},[699,2794,1783],{"class":746},[699,2796,802],{"class":713},[699,2798,983],{"class":709},[699,2800,624],{"class":726},[699,2802,983],{"class":709},[699,2804,1485],{"class":713},[699,2806,629],{"class":709},[699,2808,1797],{"class":746},[699,2810,802],{"class":713},[699,2812,802],{"class":709},[699,2814,1804],{"class":1467},[699,2816,1485],{"class":709},[699,2818,812],{"class":805},[699,2820,815],{"class":709},[699,2822,2823,2825,2827,2829,2831,2833,2836,2838,2840,2842,2844,2846,2848,2850,2852,2854,2856,2858,2860,2862,2864,2866,2868],{"class":701,"line":1019},[699,2824,963],{"class":805},[699,2826,710],{"class":709},[699,2828,1728],{"class":713},[699,2830,717],{"class":709},[699,2832,946],{"class":709},[699,2834,2835],{"class":713}," message",[699,2837,1828],{"class":705},[699,2839,710],{"class":709},[699,2841,1728],{"class":826},[699,2843,645],{"class":709},[699,2845,1733],{"class":1720},[699,2847,1736],{"class":709},[699,2849,1739],{"class":1720},[699,2851,938],{"class":709},[699,2853,1744],{"class":1720},[699,2855,1747],{"class":709},[699,2857,1750],{"class":709},[699,2859,710],{"class":709},[699,2861,1755],{"class":826},[699,2863,645],{"class":709},[699,2865,1760],{"class":1720},[699,2867,717],{"class":709},[699,2869,1774],{"class":709},[699,2871,2872,2874,2876,2878,2880,2882,2885,2887,2889,2891,2893],{"class":701,"line":1065},[699,2873,1836],{"class":705},[699,2875,1464],{"class":826},[699,2877,1973],{"class":713},[699,2879,629],{"class":709},[699,2881,2171],{"class":713},[699,2883,2884],{"class":709}," 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