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For Nuxt and Nitro, these are set via module config and passed through automatically.",[479,480,486],"pre",{"className":481,"code":482,"filename":483,"language":484,"meta":485,"style":485},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { initLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\ninitLogger({\n  enabled: true,\n  env: { service: 'my-api', environment: 'production' },\n  pretty: false,\n  silent: false,\n  stringify: true,\n  minLevel: 'info',\n  sampling: { rates: { info: 10 }, keep: [{ status: 400 }] },\n  drain: createAxiomDrain(),\n})\n","src\u002Findex.ts","typescript","",[467,487,488,521,542,549,561,578,619,632,644,656,673,729,744],{"__ignoreMap":485},[489,490,493,497,501,505,508,511,514,518],"span",{"class":491,"line":492},"line",1,[489,494,496],{"class":495},"s7zQu","import",[489,498,500],{"class":499},"sMK4o"," {",[489,502,504],{"class":503},"sTEyZ"," initLogger",[489,506,507],{"class":499}," }",[489,509,510],{"class":495}," from",[489,512,513],{"class":499}," '",[489,515,517],{"class":516},"sfazB","evlog",[489,519,520],{"class":499},"'\n",[489,522,524,526,528,531,533,535,537,540],{"class":491,"line":523},2,[489,525,496],{"class":495},[489,527,500],{"class":499},[489,529,530],{"class":503}," createAxiomDrain",[489,532,507],{"class":499},[489,534,510],{"class":495},[489,536,513],{"class":499},[489,538,539],{"class":516},"evlog\u002Faxiom",[489,541,520],{"class":499},[489,543,545],{"class":491,"line":544},3,[489,546,548],{"emptyLinePlaceholder":547},true,"\n",[489,550,552,555,558],{"class":491,"line":551},4,[489,553,469],{"class":554},"s2Zo4",[489,556,557],{"class":503},"(",[489,559,560],{"class":499},"{\n",[489,562,564,568,571,575],{"class":491,"line":563},5,[489,565,567],{"class":566},"swJcz","  enabled",[489,569,570],{"class":499},":",[489,572,574],{"class":573},"sfNiH"," true",[489,576,577],{"class":499},",\n",[489,579,581,584,586,588,591,593,595,598,601,604,607,609,611,614,616],{"class":491,"line":580},6,[489,582,583],{"class":566},"  env",[489,585,570],{"class":499},[489,587,500],{"class":499},[489,589,590],{"class":566}," service",[489,592,570],{"class":499},[489,594,513],{"class":499},[489,596,597],{"class":516},"my-api",[489,599,600],{"class":499},"'",[489,602,603],{"class":499},",",[489,605,606],{"class":566}," environment",[489,608,570],{"class":499},[489,610,513],{"class":499},[489,612,613],{"class":516},"production",[489,615,600],{"class":499},[489,617,618],{"class":499}," },\n",[489,620,622,625,627,630],{"class":491,"line":621},7,[489,623,624],{"class":566},"  pretty",[489,626,570],{"class":499},[489,628,629],{"class":573}," false",[489,631,577],{"class":499},[489,633,635,638,640,642],{"class":491,"line":634},8,[489,636,637],{"class":566},"  silent",[489,639,570],{"class":499},[489,641,629],{"class":573},[489,643,577],{"class":499},[489,645,647,650,652,654],{"class":491,"line":646},9,[489,648,649],{"class":566},"  stringify",[489,651,570],{"class":499},[489,653,574],{"class":573},[489,655,577],{"class":499},[489,657,659,662,664,666,669,671],{"class":491,"line":658},10,[489,660,661],{"class":566},"  minLevel",[489,663,570],{"class":499},[489,665,513],{"class":499},[489,667,668],{"class":516},"info",[489,670,600],{"class":499},[489,672,577],{"class":499},[489,674,676,679,681,683,686,688,690,693,695,699,702,705,707,710,713,716,718,721,723,726],{"class":491,"line":675},11,[489,677,678],{"class":566},"  sampling",[489,680,570],{"class":499},[489,682,500],{"class":499},[489,684,685],{"class":566}," rates",[489,687,570],{"class":499},[489,689,500],{"class":499},[489,691,692],{"class":566}," info",[489,694,570],{"class":499},[489,696,698],{"class":697},"sbssI"," 10",[489,700,701],{"class":499}," },",[489,703,704],{"class":566}," keep",[489,706,570],{"class":499},[489,708,709],{"class":503}," [",[489,711,712],{"class":499},"{",[489,714,715],{"class":566}," status",[489,717,570],{"class":499},[489,719,720],{"class":697}," 400",[489,722,507],{"class":499},[489,724,725],{"class":503},"] ",[489,727,728],{"class":499},"},\n",[489,730,732,735,737,739,742],{"class":491,"line":731},12,[489,733,734],{"class":566},"  drain",[489,736,570],{"class":499},[489,738,530],{"class":554},[489,740,741],{"class":503},"()",[489,743,577],{"class":499},[489,745,747,750],{"class":491,"line":746},13,[489,748,749],{"class":499},"}",[489,751,752],{"class":503},")\n",[754,755,756,775],"table",{},[757,758,759],"thead",{},[760,761,762,766,769,772],"tr",{},[763,764,765],"th",{},"Option",[763,767,768],{},"Type",[763,770,771],{},"Default",[763,773,774],{},"Description",[776,777,778,803,821,843,861,885,913,936,961],"tbody",{},[760,779,780,786,791,796],{},[781,782,783],"td",{},[467,784,785],{},"enabled",[781,787,788],{},[467,789,790],{},"boolean",[781,792,793],{},[467,794,795],{},"true",[781,797,798,799,802],{},"Enable\u002Fdisable all logging globally. When ",[467,800,801],{},"false",", all operations become no-ops",[760,804,805,810,815,818],{},[781,806,807],{},[467,808,809],{},"env",[781,811,812],{},[467,813,814],{},"Partial\u003CEnvironmentContext>",[781,816,817],{},"Auto-detected",[781,819,820],{},"Environment context overrides (see below)",[760,822,823,828,832,837],{},[781,824,825],{},[467,826,827],{},"pretty",[781,829,830],{},[467,831,790],{},[781,833,834,836],{},[467,835,795],{}," in dev",[781,838,839,840],{},"Pretty print with tree formatting. Auto-detected based on ",[467,841,842],{},"NODE_ENV",[760,844,845,850,854,858],{},[781,846,847],{},[467,848,849],{},"silent",[781,851,852],{},[467,853,790],{},[781,855,856],{},[467,857,801],{},[781,859,860],{},"Suppress console output. Events are still built, sampled, and passed to drains",[760,862,863,868,872,876],{},[781,864,865],{},[467,866,867],{},"stringify",[781,869,870],{},[467,871,790],{},[781,873,874],{},[467,875,795],{},[781,877,878,879,881,882,884],{},"Emit JSON strings when ",[467,880,827],{}," is disabled. Set to ",[467,883,801],{}," for Cloudflare Workers",[760,886,887,892,897,902],{},[781,888,889],{},[467,890,891],{},"minLevel",[781,893,894],{},[467,895,896],{},"'debug' | 'info' | 'warn' | 'error'",[781,898,899],{},[467,900,901],{},"'debug'",[781,903,904,905,908,909,912],{},"Minimum severity for the global ",[467,906,907],{},"log"," API only (not ",[467,910,911],{},"createLogger"," \u002F request wide events). Order: debug \u003C info \u003C warn \u003C error",[760,914,915,920,925,930],{},[781,916,917],{},[467,918,919],{},"sampling",[781,921,922],{},[467,923,924],{},"SamplingConfig",[781,926,927],{},[467,928,929],{},"undefined",[781,931,932,933],{},"Head and tail sampling configuration. See ",[934,935,61],"a",{"href":62},[760,937,938,943,948,953],{},[781,939,940],{},[467,941,942],{},"redact",[781,944,945],{},[467,946,947],{},"boolean | RedactConfig",[781,949,950,952],{},[467,951,795],{}," in production",[781,954,955,956,958,959],{},"Enabled by default in production. ",[467,957,801],{}," to disable. Object for fine-grained control. See ",[934,960,66],{"href":67},[760,962,963,968,973,977],{},[781,964,965],{},[467,966,967],{},"drain",[781,969,970],{},[467,971,972],{},"(ctx: DrainContext) => void",[781,974,975],{},[467,976,929],{},[781,978,979],{},"Drain callback for sending events to external services",[981,982,984,986],"h3",{"id":983},"minlevel-vs-sampling",[467,985,891],{}," vs sampling",[988,989,990,1028],"ul",{},[991,992,993,997,998,1001,1002,1005,1006,1009,1010,1013,1014,1017,1018,1023,1024,1027],"li",{},[453,994,995],{},[467,996,891],{}," is a ",[453,999,1000],{},"hard threshold"," on the simple ",[467,1003,1004],{},"log.*"," API: levels below the threshold are never emitted. It does ",[453,1007,1008],{},"not"," apply to wide events from ",[467,1011,1012],{},"useLogger"," \u002F ",[467,1015,1016],{},"createLogger().emit()"," — use ",[453,1019,1020],{},[467,1021,1022],{},"sampling.rates"," (and tail ",[467,1025,1026],{},"keep",") for request volume.",[991,1029,1030,1033,1034,1036,1037,1040,1041,1043],{},[453,1031,1032],{},"Head sampling"," (",[467,1035,1022],{},") is ",[453,1038,1039],{},"probabilistic"," on what is already allowed by ",[467,1042,891],{}," for simple logs.",[449,1045,1046,1047,1013,1050,1053,1054,1056,1057,1059],{},"Evaluation order for ",[467,1048,1049],{},"log.info",[467,1051,1052],{},"log.debug"," \u002F etc.: ",[467,1055,785],{}," → ",[467,1058,891],{}," → head sampling → output.",[981,1061,1063],{"id":1062},"environment-context","Environment Context",[449,1065,1066,1067,1069,1070,1073],{},"The ",[467,1068,809],{}," option controls the fields included in every log event. Most values are auto-detected from environment variables and ",[467,1071,1072],{},"package.json",".",[754,1075,1076,1090],{},[757,1077,1078],{},[760,1079,1080,1083,1085,1087],{},[763,1081,1082],{},"Field",[763,1084,768],{},[763,1086,771],{},[763,1088,1089],{},"Auto-detected from",[776,1091,1092,1118,1138,1161,1187],{},[760,1093,1094,1099,1104,1109],{},[781,1095,1096],{},[467,1097,1098],{},"service",[781,1100,1101],{},[467,1102,1103],{},"string",[781,1105,1106],{},[467,1107,1108],{},"'app'",[781,1110,1111,1114,1115,1117],{},[467,1112,1113],{},"SERVICE_NAME",", ",[467,1116,1072],{}," name",[760,1119,1120,1125,1129,1134],{},[781,1121,1122],{},[467,1123,1124],{},"environment",[781,1126,1127],{},[467,1128,1103],{},[781,1130,1131],{},[467,1132,1133],{},"'development'",[781,1135,1136],{},[467,1137,842],{},[760,1139,1140,1145,1149,1153],{},[781,1141,1142],{},[467,1143,1144],{},"version",[781,1146,1147],{},[467,1148,1103],{},[781,1150,1151],{},[467,1152,929],{},[781,1154,1155,1114,1158,1160],{},[467,1156,1157],{},"APP_VERSION",[467,1159,1072],{}," version",[760,1162,1163,1168,1172,1176],{},[781,1164,1165],{},[467,1166,1167],{},"commitHash",[781,1169,1170],{},[467,1171,1103],{},[781,1173,1174],{},[467,1175,929],{},[781,1177,1178,1114,1181,1114,1184],{},[467,1179,1180],{},"COMMIT_SHA",[467,1182,1183],{},"GIT_COMMIT",[467,1185,1186],{},"VERCEL_GIT_COMMIT_SHA",[760,1188,1189,1194,1198,1202],{},[781,1190,1191],{},[467,1192,1193],{},"region",[781,1195,1196],{},[467,1197,1103],{},[781,1199,1200],{},[467,1201,929],{},[781,1203,1204,1114,1207,1114,1210],{},[467,1205,1206],{},"FLY_REGION",[467,1208,1209],{},"AWS_REGION",[467,1211,1212],{},"VERCEL_REGION",[981,1214,1216],{"id":1215},"silent-mode","Silent Mode",[449,1218,1219,1220,1222],{},"Use ",[467,1221,849],{}," when your deployment platform captures stdout as its primary log ingestion (GCP Cloud Run, AWS Lambda, Fly.io, Railway, etc.) and you want a drain adapter to control the output format.",[479,1224,1226],{"className":481,"code":1225,"filename":483,"language":484,"meta":485,"style":485},"import { initLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\ninitLogger({\n  silent: process.env.NODE_ENV === 'production',\n  drain: createAxiomDrain(),\n})\n",[467,1227,1228,1246,1264,1268,1276,1305,1317],{"__ignoreMap":485},[489,1229,1230,1232,1234,1236,1238,1240,1242,1244],{"class":491,"line":492},[489,1231,496],{"class":495},[489,1233,500],{"class":499},[489,1235,504],{"class":503},[489,1237,507],{"class":499},[489,1239,510],{"class":495},[489,1241,513],{"class":499},[489,1243,517],{"class":516},[489,1245,520],{"class":499},[489,1247,1248,1250,1252,1254,1256,1258,1260,1262],{"class":491,"line":523},[489,1249,496],{"class":495},[489,1251,500],{"class":499},[489,1253,530],{"class":503},[489,1255,507],{"class":499},[489,1257,510],{"class":495},[489,1259,513],{"class":499},[489,1261,539],{"class":516},[489,1263,520],{"class":499},[489,1265,1266],{"class":491,"line":544},[489,1267,548],{"emptyLinePlaceholder":547},[489,1269,1270,1272,1274],{"class":491,"line":551},[489,1271,469],{"class":554},[489,1273,557],{"class":503},[489,1275,560],{"class":499},[489,1277,1278,1280,1282,1285,1287,1289,1291,1294,1297,1299,1301,1303],{"class":491,"line":563},[489,1279,637],{"class":566},[489,1281,570],{"class":499},[489,1283,1284],{"class":503}," process",[489,1286,1073],{"class":499},[489,1288,809],{"class":503},[489,1290,1073],{"class":499},[489,1292,1293],{"class":503},"NODE_ENV ",[489,1295,1296],{"class":499},"===",[489,1298,513],{"class":499},[489,1300,613],{"class":516},[489,1302,600],{"class":499},[489,1304,577],{"class":499},[489,1306,1307,1309,1311,1313,1315],{"class":491,"line":580},[489,1308,734],{"class":566},[489,1310,570],{"class":499},[489,1312,530],{"class":554},[489,1314,741],{"class":503},[489,1316,577],{"class":499},[489,1318,1319,1321],{"class":491,"line":621},[489,1320,749],{"class":499},[489,1322,752],{"class":503},[1324,1325,1328,1329,1331],"callout",{"color":1326,"icon":1327},"warning","i-lucide-alert-triangle","If ",[467,1330,849],{}," is enabled without a drain, events are built and sampled but never output anywhere. evlog will warn you about this at startup.",[462,1333,1335],{"id":1334},"middleware-options","Middleware Options",[449,1337,1338],{},"These options are passed to the framework middleware\u002Fplugin. They control per-request behavior: which routes to log, how to drain and enrich events, and custom tail sampling logic.",[1340,1341,1342,1642,1836,1933],"code-group",{},[479,1343,1345],{"className":481,"code":1344,"filename":172,"language":484,"meta":485,"style":485},"\u002F\u002F lib\u002Fevlog.ts\nimport { createEvlog } from 'evlog\u002Fnext'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\nexport const { withEvlog, useLogger, log, createError } = createEvlog({\n  service: 'my-app',\n  include: ['\u002Fapi\u002F**'],\n  exclude: ['\u002Fapi\u002Fhealth'],\n  routes: { '\u002Fapi\u002Fauth\u002F**': { service: 'auth' } },\n  drain: createAxiomDrain(),\n  enrich: (ctx) => { ctx.event.region = process.env.FLY_REGION },\n  keep: (ctx) => { if (ctx.duration > 2000) ctx.shouldKeep = true },\n})\n",[467,1346,1347,1353,1373,1391,1395,1435,1451,1472,1492,1527,1539,1585,1636],{"__ignoreMap":485},[489,1348,1349],{"class":491,"line":492},[489,1350,1352],{"class":1351},"sHwdD","\u002F\u002F lib\u002Fevlog.ts\n",[489,1354,1355,1357,1359,1362,1364,1366,1368,1371],{"class":491,"line":523},[489,1356,496],{"class":495},[489,1358,500],{"class":499},[489,1360,1361],{"class":503}," createEvlog",[489,1363,507],{"class":499},[489,1365,510],{"class":495},[489,1367,513],{"class":499},[489,1369,1370],{"class":516},"evlog\u002Fnext",[489,1372,520],{"class":499},[489,1374,1375,1377,1379,1381,1383,1385,1387,1389],{"class":491,"line":544},[489,1376,496],{"class":495},[489,1378,500],{"class":499},[489,1380,530],{"class":503},[489,1382,507],{"class":499},[489,1384,510],{"class":495},[489,1386,513],{"class":499},[489,1388,539],{"class":516},[489,1390,520],{"class":499},[489,1392,1393],{"class":491,"line":551},[489,1394,548],{"emptyLinePlaceholder":547},[489,1396,1397,1400,1404,1406,1409,1411,1414,1416,1419,1421,1424,1426,1429,1431,1433],{"class":491,"line":563},[489,1398,1399],{"class":495},"export",[489,1401,1403],{"class":1402},"spNyl"," const",[489,1405,500],{"class":499},[489,1407,1408],{"class":503}," withEvlog",[489,1410,603],{"class":499},[489,1412,1413],{"class":503}," useLogger",[489,1415,603],{"class":499},[489,1417,1418],{"class":503}," log",[489,1420,603],{"class":499},[489,1422,1423],{"class":503}," createError ",[489,1425,749],{"class":499},[489,1427,1428],{"class":499}," =",[489,1430,1361],{"class":554},[489,1432,557],{"class":503},[489,1434,560],{"class":499},[489,1436,1437,1440,1442,1444,1447,1449],{"class":491,"line":580},[489,1438,1439],{"class":566},"  service",[489,1441,570],{"class":499},[489,1443,513],{"class":499},[489,1445,1446],{"class":516},"my-app",[489,1448,600],{"class":499},[489,1450,577],{"class":499},[489,1452,1453,1456,1458,1460,1462,1465,1467,1470],{"class":491,"line":621},[489,1454,1455],{"class":566},"  include",[489,1457,570],{"class":499},[489,1459,709],{"class":503},[489,1461,600],{"class":499},[489,1463,1464],{"class":516},"\u002Fapi\u002F**",[489,1466,600],{"class":499},[489,1468,1469],{"class":503},"]",[489,1471,577],{"class":499},[489,1473,1474,1477,1479,1481,1483,1486,1488,1490],{"class":491,"line":634},[489,1475,1476],{"class":566},"  exclude",[489,1478,570],{"class":499},[489,1480,709],{"class":503},[489,1482,600],{"class":499},[489,1484,1485],{"class":516},"\u002Fapi\u002Fhealth",[489,1487,600],{"class":499},[489,1489,1469],{"class":503},[489,1491,577],{"class":499},[489,1493,1494,1497,1499,1501,1503,1506,1508,1510,1512,1514,1516,1518,1521,1523,1525],{"class":491,"line":646},[489,1495,1496],{"class":566},"  routes",[489,1498,570],{"class":499},[489,1500,500],{"class":499},[489,1502,513],{"class":499},[489,1504,1505],{"class":566},"\u002Fapi\u002Fauth\u002F**",[489,1507,600],{"class":499},[489,1509,570],{"class":499},[489,1511,500],{"class":499},[489,1513,590],{"class":566},[489,1515,570],{"class":499},[489,1517,513],{"class":499},[489,1519,1520],{"class":516},"auth",[489,1522,600],{"class":499},[489,1524,507],{"class":499},[489,1526,618],{"class":499},[489,1528,1529,1531,1533,1535,1537],{"class":491,"line":658},[489,1530,734],{"class":566},[489,1532,570],{"class":499},[489,1534,530],{"class":554},[489,1536,741],{"class":503},[489,1538,577],{"class":499},[489,1540,1541,1544,1546,1548,1552,1554,1557,1559,1562,1564,1567,1569,1571,1573,1575,1577,1579,1581,1583],{"class":491,"line":675},[489,1542,1543],{"class":554},"  enrich",[489,1545,570],{"class":499},[489,1547,1033],{"class":499},[489,1549,1551],{"class":1550},"sHdIc","ctx",[489,1553,470],{"class":499},[489,1555,1556],{"class":1402}," =>",[489,1558,500],{"class":499},[489,1560,1561],{"class":503}," ctx",[489,1563,1073],{"class":499},[489,1565,1566],{"class":503},"event",[489,1568,1073],{"class":499},[489,1570,1193],{"class":503},[489,1572,1428],{"class":499},[489,1574,1284],{"class":503},[489,1576,1073],{"class":499},[489,1578,809],{"class":503},[489,1580,1073],{"class":499},[489,1582,1206],{"class":503},[489,1584,618],{"class":499},[489,1586,1587,1590,1592,1594,1596,1598,1600,1602,1605,1607,1609,1611,1614,1617,1620,1623,1625,1627,1630,1632,1634],{"class":491,"line":731},[489,1588,1589],{"class":554},"  keep",[489,1591,570],{"class":499},[489,1593,1033],{"class":499},[489,1595,1551],{"class":1550},[489,1597,470],{"class":499},[489,1599,1556],{"class":1402},[489,1601,500],{"class":499},[489,1603,1604],{"class":495}," if",[489,1606,1033],{"class":566},[489,1608,1551],{"class":503},[489,1610,1073],{"class":499},[489,1612,1613],{"class":503},"duration",[489,1615,1616],{"class":499}," >",[489,1618,1619],{"class":697}," 2000",[489,1621,1622],{"class":566},") ",[489,1624,1551],{"class":503},[489,1626,1073],{"class":499},[489,1628,1629],{"class":503},"shouldKeep",[489,1631,1428],{"class":499},[489,1633,574],{"class":573},[489,1635,618],{"class":499},[489,1637,1638,1640],{"class":491,"line":746},[489,1639,749],{"class":499},[489,1641,752],{"class":503},[479,1643,1645],{"className":481,"code":1644,"filename":202,"language":484,"meta":485,"style":485},"app.use(evlog({\n  include: ['\u002Fapi\u002F**'],\n  exclude: ['\u002Fapi\u002Fhealth'],\n  routes: { '\u002Fapi\u002Fauth\u002F**': { service: 'auth' } },\n  drain: createAxiomDrain(),\n  enrich: (ctx) => { ctx.event.region = process.env.FLY_REGION },\n  keep: (ctx) => { if (ctx.duration > 2000) ctx.shouldKeep = true },\n}))\n",[467,1646,1647,1665,1683,1701,1733,1745,1785,1829],{"__ignoreMap":485},[489,1648,1649,1652,1654,1657,1659,1661,1663],{"class":491,"line":492},[489,1650,1651],{"class":503},"app",[489,1653,1073],{"class":499},[489,1655,1656],{"class":554},"use",[489,1658,557],{"class":503},[489,1660,517],{"class":554},[489,1662,557],{"class":503},[489,1664,560],{"class":499},[489,1666,1667,1669,1671,1673,1675,1677,1679,1681],{"class":491,"line":523},[489,1668,1455],{"class":566},[489,1670,570],{"class":499},[489,1672,709],{"class":503},[489,1674,600],{"class":499},[489,1676,1464],{"class":516},[489,1678,600],{"class":499},[489,1680,1469],{"class":503},[489,1682,577],{"class":499},[489,1684,1685,1687,1689,1691,1693,1695,1697,1699],{"class":491,"line":544},[489,1686,1476],{"class":566},[489,1688,570],{"class":499},[489,1690,709],{"class":503},[489,1692,600],{"class":499},[489,1694,1485],{"class":516},[489,1696,600],{"class":499},[489,1698,1469],{"class":503},[489,1700,577],{"class":499},[489,1702,1703,1705,1707,1709,1711,1713,1715,1717,1719,1721,1723,1725,1727,1729,1731],{"class":491,"line":551},[489,1704,1496],{"class":566},[489,1706,570],{"class":499},[489,1708,500],{"class":499},[489,1710,513],{"class":499},[489,1712,1505],{"class":566},[489,1714,600],{"class":499},[489,1716,570],{"class":499},[489,1718,500],{"class":499},[489,1720,590],{"class":566},[489,1722,570],{"class":499},[489,1724,513],{"class":499},[489,1726,1520],{"class":516},[489,1728,600],{"class":499},[489,1730,507],{"class":499},[489,1732,618],{"class":499},[489,1734,1735,1737,1739,1741,1743],{"class":491,"line":563},[489,1736,734],{"class":566},[489,1738,570],{"class":499},[489,1740,530],{"class":554},[489,1742,741],{"class":503},[489,1744,577],{"class":499},[489,1746,1747,1749,1751,1753,1755,1757,1759,1761,1763,1765,1767,1769,1771,1773,1775,1777,1779,1781,1783],{"class":491,"line":580},[489,1748,1543],{"class":554},[489,1750,570],{"class":499},[489,1752,1033],{"class":499},[489,1754,1551],{"class":1550},[489,1756,470],{"class":499},[489,1758,1556],{"class":1402},[489,1760,500],{"class":499},[489,1762,1561],{"class":503},[489,1764,1073],{"class":499},[489,1766,1566],{"class":503},[489,1768,1073],{"class":499},[489,1770,1193],{"class":503},[489,1772,1428],{"class":499},[489,1774,1284],{"class":503},[489,1776,1073],{"class":499},[489,1778,809],{"class":503},[489,1780,1073],{"class":499},[489,1782,1206],{"class":503},[489,1784,618],{"class":499},[489,1786,1787,1789,1791,1793,1795,1797,1799,1801,1803,1805,1807,1809,1811,1813,1815,1817,1819,1821,1823,1825,1827],{"class":491,"line":621},[489,1788,1589],{"class":554},[489,1790,570],{"class":499},[489,1792,1033],{"class":499},[489,1794,1551],{"class":1550},[489,1796,470],{"class":499},[489,1798,1556],{"class":1402},[489,1800,500],{"class":499},[489,1802,1604],{"class":495},[489,1804,1033],{"class":566},[489,1806,1551],{"class":503},[489,1808,1073],{"class":499},[489,1810,1613],{"class":503},[489,1812,1616],{"class":499},[489,1814,1619],{"class":697},[489,1816,1622],{"class":566},[489,1818,1551],{"class":503},[489,1820,1073],{"class":499},[489,1822,1629],{"class":503},[489,1824,1428],{"class":499},[489,1826,574],{"class":573},[489,1828,618],{"class":499},[489,1830,1831,1833],{"class":491,"line":634},[489,1832,749],{"class":499},[489,1834,1835],{"class":503},"))\n",[479,1837,1839],{"className":481,"code":1838,"filename":197,"language":484,"meta":485,"style":485},"app.use(evlog({\n  include: ['\u002Fapi\u002F**'],\n  drain: createAxiomDrain(),\n  enrich: (ctx) => { ctx.event.region = process.env.FLY_REGION },\n}))\n",[467,1840,1841,1857,1875,1887,1927],{"__ignoreMap":485},[489,1842,1843,1845,1847,1849,1851,1853,1855],{"class":491,"line":492},[489,1844,1651],{"class":503},[489,1846,1073],{"class":499},[489,1848,1656],{"class":554},[489,1850,557],{"class":503},[489,1852,517],{"class":554},[489,1854,557],{"class":503},[489,1856,560],{"class":499},[489,1858,1859,1861,1863,1865,1867,1869,1871,1873],{"class":491,"line":523},[489,1860,1455],{"class":566},[489,1862,570],{"class":499},[489,1864,709],{"class":503},[489,1866,600],{"class":499},[489,1868,1464],{"class":516},[489,1870,600],{"class":499},[489,1872,1469],{"class":503},[489,1874,577],{"class":499},[489,1876,1877,1879,1881,1883,1885],{"class":491,"line":544},[489,1878,734],{"class":566},[489,1880,570],{"class":499},[489,1882,530],{"class":554},[489,1884,741],{"class":503},[489,1886,577],{"class":499},[489,1888,1889,1891,1893,1895,1897,1899,1901,1903,1905,1907,1909,1911,1913,1915,1917,1919,1921,1923,1925],{"class":491,"line":551},[489,1890,1543],{"class":554},[489,1892,570],{"class":499},[489,1894,1033],{"class":499},[489,1896,1551],{"class":1550},[489,1898,470],{"class":499},[489,1900,1556],{"class":1402},[489,1902,500],{"class":499},[489,1904,1561],{"class":503},[489,1906,1073],{"class":499},[489,1908,1566],{"class":503},[489,1910,1073],{"class":499},[489,1912,1193],{"class":503},[489,1914,1428],{"class":499},[489,1916,1284],{"class":503},[489,1918,1073],{"class":499},[489,1920,809],{"class":503},[489,1922,1073],{"class":499},[489,1924,1206],{"class":503},[489,1926,618],{"class":499},[489,1928,1929,1931],{"class":491,"line":563},[489,1930,749],{"class":499},[489,1932,1835],{"class":503},[479,1934,1936],{"className":481,"code":1935,"filename":207,"language":484,"meta":485,"style":485},"await app.register(evlog, {\n  include: ['\u002Fapi\u002F**'],\n  drain: createAxiomDrain(),\n})\n",[467,1937,1938,1959,1977,1989],{"__ignoreMap":485},[489,1939,1940,1943,1946,1948,1951,1954,1956],{"class":491,"line":492},[489,1941,1942],{"class":495},"await",[489,1944,1945],{"class":503}," app",[489,1947,1073],{"class":499},[489,1949,1950],{"class":554},"register",[489,1952,1953],{"class":503},"(evlog",[489,1955,603],{"class":499},[489,1957,1958],{"class":499}," {\n",[489,1960,1961,1963,1965,1967,1969,1971,1973,1975],{"class":491,"line":523},[489,1962,1455],{"class":566},[489,1964,570],{"class":499},[489,1966,709],{"class":503},[489,1968,600],{"class":499},[489,1970,1464],{"class":516},[489,1972,600],{"class":499},[489,1974,1469],{"class":503},[489,1976,577],{"class":499},[489,1978,1979,1981,1983,1985,1987],{"class":491,"line":544},[489,1980,734],{"class":566},[489,1982,570],{"class":499},[489,1984,530],{"class":554},[489,1986,741],{"class":503},[489,1988,577],{"class":499},[489,1990,1991,1993],{"class":491,"line":551},[489,1992,749],{"class":499},[489,1994,752],{"class":503},[754,1996,1997,2009],{},[757,1998,1999],{},[760,2000,2001,2003,2005,2007],{},[763,2002,765],{},[763,2004,768],{},[763,2006,771],{},[763,2008,774],{},[776,2010,2011,2030,2048,2067,2084,2103],{},[760,2012,2013,2018,2023,2027],{},[781,2014,2015],{},[467,2016,2017],{},"include",[781,2019,2020],{},[467,2021,2022],{},"string[]",[781,2024,2025],{},[467,2026,929],{},[781,2028,2029],{},"Route glob patterns to log. If not set, all routes are logged",[760,2031,2032,2037,2041,2045],{},[781,2033,2034],{},[467,2035,2036],{},"exclude",[781,2038,2039],{},[467,2040,2022],{},[781,2042,2043],{},[467,2044,929],{},[781,2046,2047],{},"Route patterns to exclude. Exclusions take precedence over inclusions",[760,2049,2050,2055,2060,2064],{},[781,2051,2052],{},[467,2053,2054],{},"routes",[781,2056,2057],{},[467,2058,2059],{},"Record\u003Cstring, { service: string }>",[781,2061,2062],{},[467,2063,929],{},[781,2065,2066],{},"Route-specific service name overrides",[760,2068,2069,2073,2077,2081],{},[781,2070,2071],{},[467,2072,967],{},[781,2074,2075],{},[467,2076,972],{},[781,2078,2079],{},[467,2080,929],{},[781,2082,2083],{},"Drain callback called with every emitted event",[760,2085,2086,2091,2096,2100],{},[781,2087,2088],{},[467,2089,2090],{},"enrich",[781,2092,2093],{},[467,2094,2095],{},"(ctx: EnrichContext) => void",[781,2097,2098],{},[467,2099,929],{},[781,2101,2102],{},"Enrich callback called after emit, before drain",[760,2104,2105,2109,2114,2118],{},[781,2106,2107],{},[467,2108,1026],{},[781,2110,2111],{},[467,2112,2113],{},"(ctx: TailSamplingContext) => void",[781,2115,2116],{},[467,2117,929],{},[781,2119,2120],{},"Custom tail sampling callback",[1324,2122,2123,2126,2127,1114,2130,1114,2133,2136,2137,2139,2140,2142],{"color":668,"icon":13},[453,2124,2125],{},"Nuxt and Nitro"," use module config and Nitro hooks (",[467,2128,2129],{},"evlog:drain",[467,2131,2132],{},"evlog:enrich",[467,2134,2135],{},"evlog:emit:keep",") instead of middleware options. See the ",[934,2138,167],{"href":168}," and ",[934,2141,182],{"href":183}," pages.",[981,2144,2146],{"id":2145},"middleware-drain-vs-global-drain","Middleware drain vs global drain",[449,2148,2149,2150,2152,2153,2155],{},"When a middleware ",[467,2151,967],{}," is set, it takes precedence over the global drain from ",[467,2154,476],{},". If no middleware drain is set, the global drain is used as fallback, with the benefit of receiving the full enriched event with request context (method, path, headers).",[479,2157,2159],{"className":481,"code":2158,"filename":483,"language":484,"meta":485,"style":485},"import { initLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\ninitLogger({\n  env: { service: 'my-api' },\n  drain: createAxiomDrain(), \u002F\u002F fallback: used by singleton log API AND middleware (if no middleware drain)\n})\n\napp.use(evlog({\n  \u002F\u002F no drain here - falls back to globalDrain from initLogger, with full request context\n}))\n",[467,2160,2161,2179,2197,2201,2209,2229,2244,2250,2254,2270,2275],{"__ignoreMap":485},[489,2162,2163,2165,2167,2169,2171,2173,2175,2177],{"class":491,"line":492},[489,2164,496],{"class":495},[489,2166,500],{"class":499},[489,2168,504],{"class":503},[489,2170,507],{"class":499},[489,2172,510],{"class":495},[489,2174,513],{"class":499},[489,2176,517],{"class":516},[489,2178,520],{"class":499},[489,2180,2181,2183,2185,2187,2189,2191,2193,2195],{"class":491,"line":523},[489,2182,496],{"class":495},[489,2184,500],{"class":499},[489,2186,530],{"class":503},[489,2188,507],{"class":499},[489,2190,510],{"class":495},[489,2192,513],{"class":499},[489,2194,539],{"class":516},[489,2196,520],{"class":499},[489,2198,2199],{"class":491,"line":544},[489,2200,548],{"emptyLinePlaceholder":547},[489,2202,2203,2205,2207],{"class":491,"line":551},[489,2204,469],{"class":554},[489,2206,557],{"class":503},[489,2208,560],{"class":499},[489,2210,2211,2213,2215,2217,2219,2221,2223,2225,2227],{"class":491,"line":563},[489,2212,583],{"class":566},[489,2214,570],{"class":499},[489,2216,500],{"class":499},[489,2218,590],{"class":566},[489,2220,570],{"class":499},[489,2222,513],{"class":499},[489,2224,597],{"class":516},[489,2226,600],{"class":499},[489,2228,618],{"class":499},[489,2230,2231,2233,2235,2237,2239,2241],{"class":491,"line":580},[489,2232,734],{"class":566},[489,2234,570],{"class":499},[489,2236,530],{"class":554},[489,2238,741],{"class":503},[489,2240,603],{"class":499},[489,2242,2243],{"class":1351}," \u002F\u002F fallback: used by singleton log API AND middleware (if no middleware drain)\n",[489,2245,2246,2248],{"class":491,"line":621},[489,2247,749],{"class":499},[489,2249,752],{"class":503},[489,2251,2252],{"class":491,"line":634},[489,2253,548],{"emptyLinePlaceholder":547},[489,2255,2256,2258,2260,2262,2264,2266,2268],{"class":491,"line":646},[489,2257,1651],{"class":503},[489,2259,1073],{"class":499},[489,2261,1656],{"class":554},[489,2263,557],{"class":503},[489,2265,517],{"class":554},[489,2267,557],{"class":503},[489,2269,560],{"class":499},[489,2271,2272],{"class":491,"line":658},[489,2273,2274],{"class":1351},"  \u002F\u002F no drain here - falls back to globalDrain from initLogger, with full request context\n",[489,2276,2277,2279],{"class":491,"line":675},[489,2278,749],{"class":499},[489,2280,1835],{"class":503},[462,2282,2284],{"id":2283},"framework-specific-options","Framework-Specific Options",[449,2286,2287],{},"Some frameworks have additional options beyond the shared config:",[981,2289,167],{"id":2290},"nuxt",[449,2292,2293,2294,2297,2298,2300],{},"The Nuxt module accepts all global options and middleware options in ",[467,2295,2296],{},"nuxt.config.ts"," under the ",[467,2299,517],{}," key, plus:",[754,2302,2303,2315],{},[757,2304,2305],{},[760,2306,2307,2309,2311,2313],{},[763,2308,765],{},[763,2310,768],{},[763,2312,771],{},[763,2314,774],{},[776,2316,2317,2335,2353,2372],{},[760,2318,2319,2324,2328,2332],{},[781,2320,2321],{},[467,2322,2323],{},"console",[781,2325,2326],{},[467,2327,790],{},[781,2329,2330],{},[467,2331,795],{},[781,2333,2334],{},"Enable\u002Fdisable browser console output (client-side only)",[760,2336,2337,2342,2346,2350],{},[781,2338,2339],{},[467,2340,2341],{},"transport.enabled",[781,2343,2344],{},[467,2345,790],{},[781,2347,2348],{},[467,2349,801],{},[781,2351,2352],{},"Send client logs to the server via API endpoint",[760,2354,2355,2360,2364,2369],{},[781,2356,2357],{},[467,2358,2359],{},"transport.endpoint",[781,2361,2362],{},[467,2363,1103],{},[781,2365,2366],{},[467,2367,2368],{},"'\u002Fapi\u002F_evlog\u002Fingest'",[781,2370,2371],{},"Custom transport endpoint",[760,2373,2374,2379,2384,2389],{},[781,2375,2376],{},[467,2377,2378],{},"transport.credentials",[781,2380,2381],{},[467,2382,2383],{},"RequestCredentials",[781,2385,2386],{},[467,2387,2388],{},"'same-origin'",[781,2390,2391,2392,2395],{},"Fetch credentials mode (",[467,2393,2394],{},"'include'"," for cross-origin endpoints)",[449,2397,2398,2399,1073],{},"See the full ",[934,2400,2402],{"href":2401},"\u002Fintegrate\u002Fframeworks\u002Fnuxt#configuration","Nuxt configuration",[981,2404,182],{"id":2405},"nitro",[449,2407,2408,2409,1114,2411,1114,2413,1114,2415,1114,2417,1114,2419,1114,2421,2423,2424,2426,2427,2430],{},"The Nitro module accepts ",[467,2410,785],{},[467,2412,809],{},[467,2414,827],{},[467,2416,849],{},[467,2418,919],{},[467,2420,2017],{},[467,2422,2036],{},", and ",[467,2425,2054],{}," in ",[467,2428,2429],{},"nitro.config.ts",". Drain and enrichment are done via Nitro hooks.",[449,2432,2433,2434,1073],{},"See ",[934,2435,2437],{"href":2436},"\u002Fintegrate\u002Fframeworks\u002Fnitro#drain--enrichers","Nitro drain & enrichers",[2439,2440,2441],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sHdIc, html code.shiki .sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}",{"title":485,"searchDepth":523,"depth":523,"links":2443},[2444,2451,2454],{"id":464,"depth":523,"text":2445,"children":2446},"Global Options (initLogger)",[2447,2449,2450],{"id":983,"depth":544,"text":2448},"minLevel vs sampling",{"id":1062,"depth":544,"text":1063},{"id":1215,"depth":544,"text":1216},{"id":1334,"depth":523,"text":1335,"children":2452},[2453],{"id":2145,"depth":544,"text":2146},{"id":2283,"depth":523,"text":2284,"children":2455},[2456,2457],{"id":2290,"depth":544,"text":167},{"id":2405,"depth":544,"text":182},"Complete reference for all evlog configuration options including global logger settings, middleware options, environment context, and framework-specific overrides.","md",[2461,2464],{"label":61,"icon":64,"to":62,"color":2462,"variant":2463},"neutral","subtle",{"label":2465,"icon":286,"to":95,"color":2462,"variant":2463},"Drain Adapters",{},{"icon":421},{"title":418,"description":2458},"X9mJVdQVpCg-yJeXc53U2fVnmeNvnXK5_J3b2F1Fc-w",[2471,2473],{"title":408,"path":409,"stem":410,"description":2472,"icon":411,"children":-1},"Batch events, retry on failure, fan out to multiple destinations, and ship browser logs to your server. The shared pipeline that wraps every drain in production.",{"title":316,"path":423,"stem":424,"description":2474,"icon":319,"children":-1},"evlog adds ~3µs per request. Faster than pino, consola, and winston in most scenarios while emitting richer, more useful events.",1780168570369]