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Install",[617,618,619,647,663,679],"code-group",{},[620,621,627],"pre",{"className":622,"code":623,"filename":624,"language":625,"meta":626,"style":626},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog fastify\n","pnpm","bash","",[548,628,629],{"__ignoreMap":626},[630,631,634,637,641,644],"span",{"class":632,"line":633},"line",1,[630,635,624],{"class":636},"sBMFI",[630,638,640],{"class":639},"sfazB"," add",[630,642,643],{"class":639}," evlog",[630,645,646],{"class":639}," fastify\n",[620,648,651],{"className":622,"code":649,"filename":650,"language":625,"meta":626,"style":626},"bun add evlog fastify\n","bun",[548,652,653],{"__ignoreMap":626},[630,654,655,657,659,661],{"class":632,"line":633},[630,656,650],{"class":636},[630,658,640],{"class":639},[630,660,643],{"class":639},[630,662,646],{"class":639},[620,664,667],{"className":622,"code":665,"filename":666,"language":625,"meta":626,"style":626},"yarn add evlog fastify\n","yarn",[548,668,669],{"__ignoreMap":626},[630,670,671,673,675,677],{"class":632,"line":633},[630,672,666],{"class":636},[630,674,640],{"class":639},[630,676,643],{"class":639},[630,678,646],{"class":639},[620,680,683],{"className":622,"code":681,"filename":682,"language":625,"meta":626,"style":626},"npm install evlog fastify\n","npm",[548,684,685],{"__ignoreMap":626},[630,686,687,689,692,694],{"class":632,"line":633},[630,688,682],{"class":636},[630,690,691],{"class":639}," install",[630,693,643],{"class":639},[630,695,646],{"class":639},[612,697,699],{"id":698},"_2-initialize-and-register-the-plugin","2. Initialize and register the plugin",[620,701,706],{"className":702,"code":703,"filename":704,"language":705,"meta":626,"style":626},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import Fastify from 'fastify'\nimport { initLogger } from 'evlog'\nimport { evlog } from 'evlog\u002Ffastify'\n\ninitLogger({\n  env: { service: 'my-api' },\n})\n\nconst app = Fastify({ logger: false })\n\nawait app.register(evlog)\n\napp.get('\u002Fhealth', async (request) => {\n  request.log.set({ route: 'health' })\n  return { ok: true }\n})\n\nawait app.listen({ port: 3000 })\n","src\u002Findex.ts","typescript",[548,707,708,731,755,774,781,794,822,831,836,870,875,893,898,940,976,995,1002,1007],{"__ignoreMap":626},[630,709,710,714,718,721,725,728],{"class":632,"line":633},[630,711,713],{"class":712},"s7zQu","import",[630,715,717],{"class":716},"sTEyZ"," Fastify ",[630,719,720],{"class":712},"from",[630,722,724],{"class":723},"sMK4o"," '",[630,726,727],{"class":639},"fastify",[630,729,730],{"class":723},"'\n",[630,732,734,736,739,742,745,748,750,753],{"class":632,"line":733},2,[630,735,713],{"class":712},[630,737,738],{"class":723}," {",[630,740,741],{"class":716}," initLogger",[630,743,744],{"class":723}," }",[630,746,747],{"class":712}," from",[630,749,724],{"class":723},[630,751,752],{"class":639},"evlog",[630,754,730],{"class":723},[630,756,758,760,762,764,766,768,770,772],{"class":632,"line":757},3,[630,759,713],{"class":712},[630,761,738],{"class":723},[630,763,643],{"class":716},[630,765,744],{"class":723},[630,767,747],{"class":712},[630,769,724],{"class":723},[630,771,550],{"class":639},[630,773,730],{"class":723},[630,775,777],{"class":632,"line":776},4,[630,778,780],{"emptyLinePlaceholder":779},true,"\n",[630,782,784,788,791],{"class":632,"line":783},5,[630,785,787],{"class":786},"s2Zo4","initLogger",[630,789,790],{"class":716},"(",[630,792,793],{"class":723},"{\n",[630,795,797,801,804,806,809,811,813,816,819],{"class":632,"line":796},6,[630,798,800],{"class":799},"swJcz","  env",[630,802,803],{"class":723},":",[630,805,738],{"class":723},[630,807,808],{"class":799}," service",[630,810,803],{"class":723},[630,812,724],{"class":723},[630,814,815],{"class":639},"my-api",[630,817,818],{"class":723},"'",[630,820,821],{"class":723}," },\n",[630,823,825,828],{"class":632,"line":824},7,[630,826,827],{"class":723},"}",[630,829,830],{"class":716},")\n",[630,832,834],{"class":632,"line":833},8,[630,835,780],{"emptyLinePlaceholder":779},[630,837,839,843,846,849,852,854,857,860,862,866,868],{"class":632,"line":838},9,[630,840,842],{"class":841},"spNyl","const",[630,844,845],{"class":716}," app ",[630,847,848],{"class":723},"=",[630,850,851],{"class":786}," Fastify",[630,853,790],{"class":716},[630,855,856],{"class":723},"{",[630,858,859],{"class":799}," logger",[630,861,803],{"class":723},[630,863,865],{"class":864},"sfNiH"," false",[630,867,744],{"class":723},[630,869,830],{"class":716},[630,871,873],{"class":632,"line":872},10,[630,874,780],{"emptyLinePlaceholder":779},[630,876,878,881,884,887,890],{"class":632,"line":877},11,[630,879,880],{"class":712},"await",[630,882,883],{"class":716}," app",[630,885,886],{"class":723},".",[630,888,889],{"class":786},"register",[630,891,892],{"class":716},"(evlog)\n",[630,894,896],{"class":632,"line":895},12,[630,897,780],{"emptyLinePlaceholder":779},[630,899,901,904,906,909,911,913,916,918,921,924,927,931,934,937],{"class":632,"line":900},13,[630,902,903],{"class":716},"app",[630,905,886],{"class":723},[630,907,908],{"class":786},"get",[630,910,790],{"class":716},[630,912,818],{"class":723},[630,914,915],{"class":639},"\u002Fhealth",[630,917,818],{"class":723},[630,919,920],{"class":723},",",[630,922,923],{"class":841}," async",[630,925,926],{"class":723}," (",[630,928,930],{"class":929},"sHdIc","request",[630,932,933],{"class":723},")",[630,935,936],{"class":841}," =>",[630,938,939],{"class":723}," {\n",[630,941,943,946,948,951,953,956,958,960,963,965,967,970,972,974],{"class":632,"line":942},14,[630,944,945],{"class":716},"  request",[630,947,886],{"class":723},[630,949,950],{"class":716},"log",[630,952,886],{"class":723},[630,954,955],{"class":786},"set",[630,957,790],{"class":799},[630,959,856],{"class":723},[630,961,962],{"class":799}," route",[630,964,803],{"class":723},[630,966,724],{"class":723},[630,968,969],{"class":639},"health",[630,971,818],{"class":723},[630,973,744],{"class":723},[630,975,830],{"class":799},[630,977,979,982,984,987,989,992],{"class":632,"line":978},15,[630,980,981],{"class":712},"  return",[630,983,738],{"class":723},[630,985,986],{"class":799}," ok",[630,988,803],{"class":723},[630,990,991],{"class":864}," true",[630,993,994],{"class":723}," }\n",[630,996,998,1000],{"class":632,"line":997},16,[630,999,827],{"class":723},[630,1001,830],{"class":716},[630,1003,1005],{"class":632,"line":1004},17,[630,1006,780],{"emptyLinePlaceholder":779},[630,1008,1010,1012,1014,1016,1019,1021,1023,1026,1028,1032,1034],{"class":632,"line":1009},18,[630,1011,880],{"class":712},[630,1013,883],{"class":716},[630,1015,886],{"class":723},[630,1017,1018],{"class":786},"listen",[630,1020,790],{"class":716},[630,1022,856],{"class":723},[630,1024,1025],{"class":799}," port",[630,1027,803],{"class":723},[630,1029,1031],{"class":1030},"sbssI"," 3000",[630,1033,744],{"class":723},[630,1035,830],{"class":716},[1037,1038,1040,1044,1045,1051,1052,1055,1056,1059],"callout",{"color":1039,"icon":519},"info",[1041,1042,1043],"strong",{},"Using Vite?"," The ",[597,1046,1047,1050],{"href":517},[548,1048,1049],{},"evlog\u002Fvite"," plugin"," replaces the ",[548,1053,1054],{},"initLogger()"," call with compile-time auto-initialization, strips ",[548,1057,1058],{},"log.debug()"," from production builds, and injects source locations.",[544,1061,1062,1064,1065,1068],{},[548,1063,554],{}," is the evlog wide-event logger and shadows Fastify's built-in pino logger on the request. The pino logger remains accessible via ",[548,1066,1067],{},"fastify.log"," for server-level structured logging.",[608,1070,46],{"id":1071},"wide-events",[544,1073,1074],{},"Build up context progressively through your handler. One request = one wide event:",[620,1076,1078],{"className":702,"code":1077,"filename":704,"language":705,"meta":626,"style":626},"app.get('\u002Fusers\u002F:id', async (request) => {\n  const { id } = request.params as { id: string }\n\n  request.log.set({ user: { id } })\n\n  const user = await db.findUser(id)\n  request.log.set({ user: { name: user.name, plan: user.plan } })\n\n  const orders = await db.findOrders(id)\n  request.log.set({ orders: { count: orders.length, totalRevenue: sum(orders) } })\n\n  return { user, orders }\n})\n",[548,1079,1080,1111,1148,1152,1183,1187,1213,1267,1271,1295,1353,1357,1371],{"__ignoreMap":626},[630,1081,1082,1084,1086,1088,1090,1092,1095,1097,1099,1101,1103,1105,1107,1109],{"class":632,"line":633},[630,1083,903],{"class":716},[630,1085,886],{"class":723},[630,1087,908],{"class":786},[630,1089,790],{"class":716},[630,1091,818],{"class":723},[630,1093,1094],{"class":639},"\u002Fusers\u002F:id",[630,1096,818],{"class":723},[630,1098,920],{"class":723},[630,1100,923],{"class":841},[630,1102,926],{"class":723},[630,1104,930],{"class":929},[630,1106,933],{"class":723},[630,1108,936],{"class":841},[630,1110,939],{"class":723},[630,1112,1113,1116,1118,1121,1123,1126,1129,1131,1134,1137,1139,1141,1143,1146],{"class":632,"line":733},[630,1114,1115],{"class":841},"  const",[630,1117,738],{"class":723},[630,1119,1120],{"class":716}," id",[630,1122,744],{"class":723},[630,1124,1125],{"class":723}," =",[630,1127,1128],{"class":716}," request",[630,1130,886],{"class":723},[630,1132,1133],{"class":716},"params",[630,1135,1136],{"class":712}," as",[630,1138,738],{"class":723},[630,1140,1120],{"class":799},[630,1142,803],{"class":723},[630,1144,1145],{"class":636}," string",[630,1147,994],{"class":723},[630,1149,1150],{"class":632,"line":757},[630,1151,780],{"emptyLinePlaceholder":779},[630,1153,1154,1156,1158,1160,1162,1164,1166,1168,1171,1173,1175,1177,1179,1181],{"class":632,"line":776},[630,1155,945],{"class":716},[630,1157,886],{"class":723},[630,1159,950],{"class":716},[630,1161,886],{"class":723},[630,1163,955],{"class":786},[630,1165,790],{"class":799},[630,1167,856],{"class":723},[630,1169,1170],{"class":799}," user",[630,1172,803],{"class":723},[630,1174,738],{"class":723},[630,1176,1120],{"class":716},[630,1178,744],{"class":723},[630,1180,744],{"class":723},[630,1182,830],{"class":799},[630,1184,1185],{"class":632,"line":783},[630,1186,780],{"emptyLinePlaceholder":779},[630,1188,1189,1191,1193,1195,1198,1201,1203,1206,1208,1211],{"class":632,"line":796},[630,1190,1115],{"class":841},[630,1192,1170],{"class":716},[630,1194,1125],{"class":723},[630,1196,1197],{"class":712}," await",[630,1199,1200],{"class":716}," db",[630,1202,886],{"class":723},[630,1204,1205],{"class":786},"findUser",[630,1207,790],{"class":799},[630,1209,1210],{"class":716},"id",[630,1212,830],{"class":799},[630,1214,1215,1217,1219,1221,1223,1225,1227,1229,1231,1233,1235,1238,1240,1242,1244,1247,1249,1252,1254,1256,1258,1261,1263,1265],{"class":632,"line":824},[630,1216,945],{"class":716},[630,1218,886],{"class":723},[630,1220,950],{"class":716},[630,1222,886],{"class":723},[630,1224,955],{"class":786},[630,1226,790],{"class":799},[630,1228,856],{"class":723},[630,1230,1170],{"class":799},[630,1232,803],{"class":723},[630,1234,738],{"class":723},[630,1236,1237],{"class":799}," name",[630,1239,803],{"class":723},[630,1241,1170],{"class":716},[630,1243,886],{"class":723},[630,1245,1246],{"class":716},"name",[630,1248,920],{"class":723},[630,1250,1251],{"class":799}," plan",[630,1253,803],{"class":723},[630,1255,1170],{"class":716},[630,1257,886],{"class":723},[630,1259,1260],{"class":716},"plan",[630,1262,744],{"class":723},[630,1264,744],{"class":723},[630,1266,830],{"class":799},[630,1268,1269],{"class":632,"line":833},[630,1270,780],{"emptyLinePlaceholder":779},[630,1272,1273,1275,1278,1280,1282,1284,1286,1289,1291,1293],{"class":632,"line":838},[630,1274,1115],{"class":841},[630,1276,1277],{"class":716}," orders",[630,1279,1125],{"class":723},[630,1281,1197],{"class":712},[630,1283,1200],{"class":716},[630,1285,886],{"class":723},[630,1287,1288],{"class":786},"findOrders",[630,1290,790],{"class":799},[630,1292,1210],{"class":716},[630,1294,830],{"class":799},[630,1296,1297,1299,1301,1303,1305,1307,1309,1311,1313,1315,1317,1320,1322,1324,1326,1329,1331,1334,1336,1339,1341,1344,1347,1349,1351],{"class":632,"line":872},[630,1298,945],{"class":716},[630,1300,886],{"class":723},[630,1302,950],{"class":716},[630,1304,886],{"class":723},[630,1306,955],{"class":786},[630,1308,790],{"class":799},[630,1310,856],{"class":723},[630,1312,1277],{"class":799},[630,1314,803],{"class":723},[630,1316,738],{"class":723},[630,1318,1319],{"class":799}," count",[630,1321,803],{"class":723},[630,1323,1277],{"class":716},[630,1325,886],{"class":723},[630,1327,1328],{"class":716},"length",[630,1330,920],{"class":723},[630,1332,1333],{"class":799}," totalRevenue",[630,1335,803],{"class":723},[630,1337,1338],{"class":786}," sum",[630,1340,790],{"class":799},[630,1342,1343],{"class":716},"orders",[630,1345,1346],{"class":799},") ",[630,1348,827],{"class":723},[630,1350,744],{"class":723},[630,1352,830],{"class":799},[630,1354,1355],{"class":632,"line":877},[630,1356,780],{"emptyLinePlaceholder":779},[630,1358,1359,1361,1363,1365,1367,1369],{"class":632,"line":895},[630,1360,981],{"class":712},[630,1362,738],{"class":723},[630,1364,1170],{"class":716},[630,1366,920],{"class":723},[630,1368,1277],{"class":716},[630,1370,994],{"class":723},[630,1372,1373,1375],{"class":632,"line":900},[630,1374,827],{"class":723},[630,1376,830],{"class":716},[544,1378,1379],{},"All fields are merged into a single wide event emitted when the request completes:",[620,1381,1384],{"className":622,"code":1382,"filename":1383,"language":625,"meta":626,"style":626},"14:58:15 INFO [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n  ├─ orders: count=2 totalRevenue=6298\n  ├─ user: id=usr_123 name=Alice plan=pro\n  └─ requestId: 4a8ff3a8-...\n","Terminal output",[548,1385,1386,1397,1417,1433],{"__ignoreMap":626},[630,1387,1388,1391,1394],{"class":632,"line":633},[630,1389,1390],{"class":636},"14:58:15",[630,1392,1393],{"class":639}," INFO",[630,1395,1396],{"class":716}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[630,1398,1399,1402,1405,1408,1411,1414],{"class":632,"line":733},[630,1400,1401],{"class":636},"  ├─",[630,1403,1404],{"class":639}," orders:",[630,1406,1407],{"class":639}," count=",[630,1409,1410],{"class":1030},"2",[630,1412,1413],{"class":639}," totalRevenue=",[630,1415,1416],{"class":1030},"6298\n",[630,1418,1419,1421,1424,1427,1430],{"class":632,"line":757},[630,1420,1401],{"class":636},[630,1422,1423],{"class":639}," user:",[630,1425,1426],{"class":639}," id=usr_123",[630,1428,1429],{"class":639}," name=Alice",[630,1431,1432],{"class":639}," plan=pro\n",[630,1434,1435,1438,1441],{"class":632,"line":776},[630,1436,1437],{"class":636},"  └─",[630,1439,1440],{"class":639}," requestId:",[630,1442,1443],{"class":639}," 4a8ff3a8-...\n",[608,1445,558],{"id":1446},"uselogger",[544,1448,1449,1450,1452],{},"Use ",[548,1451,558],{}," to access the request-scoped logger from anywhere in the call stack without passing the request object through your service layer:",[620,1454,1457],{"className":702,"code":1455,"filename":1456,"language":705,"meta":626,"style":626},"import { useLogger } from 'evlog\u002Ffastify'\n\nexport async function findUser(id: string) {\n  const log = useLogger()\n  log.set({ user: { id } })\n\n  const user = await db.findUser(id)\n  log.set({ user: { name: user.name, plan: user.plan } })\n\n  return user\n}\n","src\u002Fservices\u002Fuser.ts",[548,1458,1459,1478,1482,1507,1521,1548,1552,1574,1620,1624,1631],{"__ignoreMap":626},[630,1460,1461,1463,1465,1468,1470,1472,1474,1476],{"class":632,"line":633},[630,1462,713],{"class":712},[630,1464,738],{"class":723},[630,1466,1467],{"class":716}," useLogger",[630,1469,744],{"class":723},[630,1471,747],{"class":712},[630,1473,724],{"class":723},[630,1475,550],{"class":639},[630,1477,730],{"class":723},[630,1479,1480],{"class":632,"line":733},[630,1481,780],{"emptyLinePlaceholder":779},[630,1483,1484,1487,1489,1492,1495,1497,1499,1501,1503,1505],{"class":632,"line":757},[630,1485,1486],{"class":712},"export",[630,1488,923],{"class":841},[630,1490,1491],{"class":841}," function",[630,1493,1494],{"class":786}," findUser",[630,1496,790],{"class":723},[630,1498,1210],{"class":929},[630,1500,803],{"class":723},[630,1502,1145],{"class":636},[630,1504,933],{"class":723},[630,1506,939],{"class":723},[630,1508,1509,1511,1514,1516,1518],{"class":632,"line":776},[630,1510,1115],{"class":841},[630,1512,1513],{"class":716}," log",[630,1515,1125],{"class":723},[630,1517,1467],{"class":786},[630,1519,1520],{"class":799},"()\n",[630,1522,1523,1526,1528,1530,1532,1534,1536,1538,1540,1542,1544,1546],{"class":632,"line":783},[630,1524,1525],{"class":716},"  log",[630,1527,886],{"class":723},[630,1529,955],{"class":786},[630,1531,790],{"class":799},[630,1533,856],{"class":723},[630,1535,1170],{"class":799},[630,1537,803],{"class":723},[630,1539,738],{"class":723},[630,1541,1120],{"class":716},[630,1543,744],{"class":723},[630,1545,744],{"class":723},[630,1547,830],{"class":799},[630,1549,1550],{"class":632,"line":796},[630,1551,780],{"emptyLinePlaceholder":779},[630,1553,1554,1556,1558,1560,1562,1564,1566,1568,1570,1572],{"class":632,"line":824},[630,1555,1115],{"class":841},[630,1557,1170],{"class":716},[630,1559,1125],{"class":723},[630,1561,1197],{"class":712},[630,1563,1200],{"class":716},[630,1565,886],{"class":723},[630,1567,1205],{"class":786},[630,1569,790],{"class":799},[630,1571,1210],{"class":716},[630,1573,830],{"class":799},[630,1575,1576,1578,1580,1582,1584,1586,1588,1590,1592,1594,1596,1598,1600,1602,1604,1606,1608,1610,1612,1614,1616,1618],{"class":632,"line":833},[630,1577,1525],{"class":716},[630,1579,886],{"class":723},[630,1581,955],{"class":786},[630,1583,790],{"class":799},[630,1585,856],{"class":723},[630,1587,1170],{"class":799},[630,1589,803],{"class":723},[630,1591,738],{"class":723},[630,1593,1237],{"class":799},[630,1595,803],{"class":723},[630,1597,1170],{"class":716},[630,1599,886],{"class":723},[630,1601,1246],{"class":716},[630,1603,920],{"class":723},[630,1605,1251],{"class":799},[630,1607,803],{"class":723},[630,1609,1170],{"class":716},[630,1611,886],{"class":723},[630,1613,1260],{"class":716},[630,1615,744],{"class":723},[630,1617,744],{"class":723},[630,1619,830],{"class":799},[630,1621,1622],{"class":632,"line":838},[630,1623,780],{"emptyLinePlaceholder":779},[630,1625,1626,1628],{"class":632,"line":872},[630,1627,981],{"class":712},[630,1629,1630],{"class":716}," user\n",[630,1632,1633],{"class":632,"line":877},[630,1634,1635],{"class":723},"}\n",[620,1637,1639],{"className":702,"code":1638,"filename":704,"language":705,"meta":626,"style":626},"import { findUser } from '.\u002Fservices\u002Fuser'\n\napp.get('\u002Fusers\u002F:id', async (request) => {\n  const { id } = request.params as { id: string }\n  const user = await findUser(id)\n  return user\n})\n",[548,1640,1641,1660,1664,1694,1724,1742,1748],{"__ignoreMap":626},[630,1642,1643,1645,1647,1649,1651,1653,1655,1658],{"class":632,"line":633},[630,1644,713],{"class":712},[630,1646,738],{"class":723},[630,1648,1494],{"class":716},[630,1650,744],{"class":723},[630,1652,747],{"class":712},[630,1654,724],{"class":723},[630,1656,1657],{"class":639},".\u002Fservices\u002Fuser",[630,1659,730],{"class":723},[630,1661,1662],{"class":632,"line":733},[630,1663,780],{"emptyLinePlaceholder":779},[630,1665,1666,1668,1670,1672,1674,1676,1678,1680,1682,1684,1686,1688,1690,1692],{"class":632,"line":757},[630,1667,903],{"class":716},[630,1669,886],{"class":723},[630,1671,908],{"class":786},[630,1673,790],{"class":716},[630,1675,818],{"class":723},[630,1677,1094],{"class":639},[630,1679,818],{"class":723},[630,1681,920],{"class":723},[630,1683,923],{"class":841},[630,1685,926],{"class":723},[630,1687,930],{"class":929},[630,1689,933],{"class":723},[630,1691,936],{"class":841},[630,1693,939],{"class":723},[630,1695,1696,1698,1700,1702,1704,1706,1708,1710,1712,1714,1716,1718,1720,1722],{"class":632,"line":776},[630,1697,1115],{"class":841},[630,1699,738],{"class":723},[630,1701,1120],{"class":716},[630,1703,744],{"class":723},[630,1705,1125],{"class":723},[630,1707,1128],{"class":716},[630,1709,886],{"class":723},[630,1711,1133],{"class":716},[630,1713,1136],{"class":712},[630,1715,738],{"class":723},[630,1717,1120],{"class":799},[630,1719,803],{"class":723},[630,1721,1145],{"class":636},[630,1723,994],{"class":723},[630,1725,1726,1728,1730,1732,1734,1736,1738,1740],{"class":632,"line":783},[630,1727,1115],{"class":841},[630,1729,1170],{"class":716},[630,1731,1125],{"class":723},[630,1733,1197],{"class":712},[630,1735,1494],{"class":786},[630,1737,790],{"class":799},[630,1739,1210],{"class":716},[630,1741,830],{"class":799},[630,1743,1744,1746],{"class":632,"line":796},[630,1745,981],{"class":712},[630,1747,1630],{"class":716},[630,1749,1750,1752],{"class":632,"line":824},[630,1751,827],{"class":723},[630,1753,830],{"class":716},[544,1755,1756,1757,555,1759,1761,1762,1764,1765,1768],{},"Both ",[548,1758,554],{},[548,1760,558],{}," return the same logger instance. ",[548,1763,558],{}," uses ",[548,1766,1767],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[608,1770,1772,1773,933],{"id":1771},"background-work-logfork","Background work (",[548,1774,1775],{},"log.fork",[544,1777,1449,1778,1781,1782,1785,1786,1790],{},[548,1779,1780],{},"request.log.fork(label, fn)"," for async work that should emit a ",[1041,1783,1784],{},"separate"," child wide event after the response. See ",[597,1787,1789],{"href":1788},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[620,1792,1794],{"className":702,"code":1793,"filename":704,"language":705,"meta":626,"style":626},"import { evlog, useLogger } from 'evlog\u002Ffastify'\n\napp.post('\u002Forders', async (request, reply) => {\n  request.log.fork!('fulfill', async () => {\n    const log = useLogger()\n    log.set({ step: 'ok' })\n  })\n  return { ok: true }\n})\n",[548,1795,1796,1818,1822,1859,1895,1908,1937,1944,1958],{"__ignoreMap":626},[630,1797,1798,1800,1802,1804,1806,1808,1810,1812,1814,1816],{"class":632,"line":633},[630,1799,713],{"class":712},[630,1801,738],{"class":723},[630,1803,643],{"class":716},[630,1805,920],{"class":723},[630,1807,1467],{"class":716},[630,1809,744],{"class":723},[630,1811,747],{"class":712},[630,1813,724],{"class":723},[630,1815,550],{"class":639},[630,1817,730],{"class":723},[630,1819,1820],{"class":632,"line":733},[630,1821,780],{"emptyLinePlaceholder":779},[630,1823,1824,1826,1828,1831,1833,1835,1838,1840,1842,1844,1846,1848,1850,1853,1855,1857],{"class":632,"line":757},[630,1825,903],{"class":716},[630,1827,886],{"class":723},[630,1829,1830],{"class":786},"post",[630,1832,790],{"class":716},[630,1834,818],{"class":723},[630,1836,1837],{"class":639},"\u002Forders",[630,1839,818],{"class":723},[630,1841,920],{"class":723},[630,1843,923],{"class":841},[630,1845,926],{"class":723},[630,1847,930],{"class":929},[630,1849,920],{"class":723},[630,1851,1852],{"class":929}," reply",[630,1854,933],{"class":723},[630,1856,936],{"class":841},[630,1858,939],{"class":723},[630,1860,1861,1863,1865,1867,1869,1872,1875,1877,1879,1882,1884,1886,1888,1891,1893],{"class":632,"line":776},[630,1862,945],{"class":716},[630,1864,886],{"class":723},[630,1866,950],{"class":716},[630,1868,886],{"class":723},[630,1870,1871],{"class":786},"fork",[630,1873,1874],{"class":723},"!",[630,1876,790],{"class":799},[630,1878,818],{"class":723},[630,1880,1881],{"class":639},"fulfill",[630,1883,818],{"class":723},[630,1885,920],{"class":723},[630,1887,923],{"class":841},[630,1889,1890],{"class":723}," ()",[630,1892,936],{"class":841},[630,1894,939],{"class":723},[630,1896,1897,1900,1902,1904,1906],{"class":632,"line":783},[630,1898,1899],{"class":841},"    const",[630,1901,1513],{"class":716},[630,1903,1125],{"class":723},[630,1905,1467],{"class":786},[630,1907,1520],{"class":799},[630,1909,1910,1913,1915,1917,1919,1921,1924,1926,1928,1931,1933,1935],{"class":632,"line":796},[630,1911,1912],{"class":716},"    log",[630,1914,886],{"class":723},[630,1916,955],{"class":786},[630,1918,790],{"class":799},[630,1920,856],{"class":723},[630,1922,1923],{"class":799}," step",[630,1925,803],{"class":723},[630,1927,724],{"class":723},[630,1929,1930],{"class":639},"ok",[630,1932,818],{"class":723},[630,1934,744],{"class":723},[630,1936,830],{"class":799},[630,1938,1939,1942],{"class":632,"line":824},[630,1940,1941],{"class":723},"  }",[630,1943,830],{"class":799},[630,1945,1946,1948,1950,1952,1954,1956],{"class":632,"line":833},[630,1947,981],{"class":712},[630,1949,738],{"class":723},[630,1951,986],{"class":799},[630,1953,803],{"class":723},[630,1955,991],{"class":864},[630,1957,994],{"class":723},[630,1959,1960,1962],{"class":632,"line":838},[630,1961,827],{"class":723},[630,1963,830],{"class":716},[608,1965,1967],{"id":1966},"error-handling","Error Handling",[544,1969,1449,1970,1973,1974,1977,1978,1981,1982,1985,1986,803],{},[548,1971,1972],{},"createError"," for structured errors with ",[548,1975,1976],{},"why",", ",[548,1979,1980],{},"fix",", and ",[548,1983,1984],{},"link"," fields. Fastify captures thrown errors via ",[548,1987,1988],{},"onError",[620,1990,1992],{"className":702,"code":1991,"filename":704,"language":705,"meta":626,"style":626},"import { createError, parseError } from 'evlog'\n\napp.get('\u002Fcheckout', async (_request, reply) => {\n  throw createError({\n    message: 'Payment failed',\n    status: 402,\n    why: 'Card declined by issuer',\n    fix: 'Try a different payment method',\n    link: 'https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined',\n  })\n})\n\napp.setErrorHandler((error, _request, reply) => {\n  const parsed = parseError(error)\n  reply.status(parsed.status).send({\n    message: parsed.message,\n    why: parsed.why,\n    fix: parsed.fix,\n    link: parsed.link,\n  })\n})\n",[548,1993,1994,2018,2022,2058,2069,2086,2098,2114,2130,2146,2152,2158,2162,2193,2210,2240,2255,2269,2283,2298,2305],{"__ignoreMap":626},[630,1995,1996,1998,2000,2003,2005,2008,2010,2012,2014,2016],{"class":632,"line":633},[630,1997,713],{"class":712},[630,1999,738],{"class":723},[630,2001,2002],{"class":716}," createError",[630,2004,920],{"class":723},[630,2006,2007],{"class":716}," parseError",[630,2009,744],{"class":723},[630,2011,747],{"class":712},[630,2013,724],{"class":723},[630,2015,752],{"class":639},[630,2017,730],{"class":723},[630,2019,2020],{"class":632,"line":733},[630,2021,780],{"emptyLinePlaceholder":779},[630,2023,2024,2026,2028,2030,2032,2034,2037,2039,2041,2043,2045,2048,2050,2052,2054,2056],{"class":632,"line":757},[630,2025,903],{"class":716},[630,2027,886],{"class":723},[630,2029,908],{"class":786},[630,2031,790],{"class":716},[630,2033,818],{"class":723},[630,2035,2036],{"class":639},"\u002Fcheckout",[630,2038,818],{"class":723},[630,2040,920],{"class":723},[630,2042,923],{"class":841},[630,2044,926],{"class":723},[630,2046,2047],{"class":929},"_request",[630,2049,920],{"class":723},[630,2051,1852],{"class":929},[630,2053,933],{"class":723},[630,2055,936],{"class":841},[630,2057,939],{"class":723},[630,2059,2060,2063,2065,2067],{"class":632,"line":776},[630,2061,2062],{"class":712},"  throw",[630,2064,2002],{"class":786},[630,2066,790],{"class":799},[630,2068,793],{"class":723},[630,2070,2071,2074,2076,2078,2081,2083],{"class":632,"line":783},[630,2072,2073],{"class":799},"    message",[630,2075,803],{"class":723},[630,2077,724],{"class":723},[630,2079,2080],{"class":639},"Payment failed",[630,2082,818],{"class":723},[630,2084,2085],{"class":723},",\n",[630,2087,2088,2091,2093,2096],{"class":632,"line":796},[630,2089,2090],{"class":799},"    status",[630,2092,803],{"class":723},[630,2094,2095],{"class":1030}," 402",[630,2097,2085],{"class":723},[630,2099,2100,2103,2105,2107,2110,2112],{"class":632,"line":824},[630,2101,2102],{"class":799},"    why",[630,2104,803],{"class":723},[630,2106,724],{"class":723},[630,2108,2109],{"class":639},"Card declined by issuer",[630,2111,818],{"class":723},[630,2113,2085],{"class":723},[630,2115,2116,2119,2121,2123,2126,2128],{"class":632,"line":833},[630,2117,2118],{"class":799},"    fix",[630,2120,803],{"class":723},[630,2122,724],{"class":723},[630,2124,2125],{"class":639},"Try a different payment method",[630,2127,818],{"class":723},[630,2129,2085],{"class":723},[630,2131,2132,2135,2137,2139,2142,2144],{"class":632,"line":838},[630,2133,2134],{"class":799},"    link",[630,2136,803],{"class":723},[630,2138,724],{"class":723},[630,2140,2141],{"class":639},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[630,2143,818],{"class":723},[630,2145,2085],{"class":723},[630,2147,2148,2150],{"class":632,"line":872},[630,2149,1941],{"class":723},[630,2151,830],{"class":799},[630,2153,2154,2156],{"class":632,"line":877},[630,2155,827],{"class":723},[630,2157,830],{"class":716},[630,2159,2160],{"class":632,"line":895},[630,2161,780],{"emptyLinePlaceholder":779},[630,2163,2164,2166,2168,2171,2173,2175,2178,2180,2183,2185,2187,2189,2191],{"class":632,"line":900},[630,2165,903],{"class":716},[630,2167,886],{"class":723},[630,2169,2170],{"class":786},"setErrorHandler",[630,2172,790],{"class":716},[630,2174,790],{"class":723},[630,2176,2177],{"class":929},"error",[630,2179,920],{"class":723},[630,2181,2182],{"class":929}," _request",[630,2184,920],{"class":723},[630,2186,1852],{"class":929},[630,2188,933],{"class":723},[630,2190,936],{"class":841},[630,2192,939],{"class":723},[630,2194,2195,2197,2200,2202,2204,2206,2208],{"class":632,"line":942},[630,2196,1115],{"class":841},[630,2198,2199],{"class":716}," parsed",[630,2201,1125],{"class":723},[630,2203,2007],{"class":786},[630,2205,790],{"class":799},[630,2207,2177],{"class":716},[630,2209,830],{"class":799},[630,2211,2212,2215,2217,2220,2222,2225,2227,2229,2231,2233,2236,2238],{"class":632,"line":978},[630,2213,2214],{"class":716},"  reply",[630,2216,886],{"class":723},[630,2218,2219],{"class":786},"status",[630,2221,790],{"class":799},[630,2223,2224],{"class":716},"parsed",[630,2226,886],{"class":723},[630,2228,2219],{"class":716},[630,2230,933],{"class":799},[630,2232,886],{"class":723},[630,2234,2235],{"class":786},"send",[630,2237,790],{"class":799},[630,2239,793],{"class":723},[630,2241,2242,2244,2246,2248,2250,2253],{"class":632,"line":997},[630,2243,2073],{"class":799},[630,2245,803],{"class":723},[630,2247,2199],{"class":716},[630,2249,886],{"class":723},[630,2251,2252],{"class":716},"message",[630,2254,2085],{"class":723},[630,2256,2257,2259,2261,2263,2265,2267],{"class":632,"line":1004},[630,2258,2102],{"class":799},[630,2260,803],{"class":723},[630,2262,2199],{"class":716},[630,2264,886],{"class":723},[630,2266,1976],{"class":716},[630,2268,2085],{"class":723},[630,2270,2271,2273,2275,2277,2279,2281],{"class":632,"line":1009},[630,2272,2118],{"class":799},[630,2274,803],{"class":723},[630,2276,2199],{"class":716},[630,2278,886],{"class":723},[630,2280,1980],{"class":716},[630,2282,2085],{"class":723},[630,2284,2286,2288,2290,2292,2294,2296],{"class":632,"line":2285},19,[630,2287,2134],{"class":799},[630,2289,803],{"class":723},[630,2291,2199],{"class":716},[630,2293,886],{"class":723},[630,2295,1984],{"class":716},[630,2297,2085],{"class":723},[630,2299,2301,2303],{"class":632,"line":2300},20,[630,2302,1941],{"class":723},[630,2304,830],{"class":799},[630,2306,2308,2310],{"class":632,"line":2307},21,[630,2309,827],{"class":723},[630,2311,830],{"class":716},[544,2313,2314],{},"The error is captured and logged with both the custom context and structured error fields:",[620,2316,2318],{"className":622,"code":2317,"filename":1383,"language":625,"meta":626,"style":626},"14:58:20 ERROR [my-api] GET \u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  └─ requestId: 880a50ac-...\n",[548,2319,2320,2331,2353],{"__ignoreMap":626},[630,2321,2322,2325,2328],{"class":632,"line":633},[630,2323,2324],{"class":636},"14:58:20",[630,2326,2327],{"class":639}," ERROR",[630,2329,2330],{"class":716}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[630,2332,2333,2335,2338,2341,2344,2347,2350],{"class":632,"line":733},[630,2334,1401],{"class":636},[630,2336,2337],{"class":639}," error:",[630,2339,2340],{"class":639}," name=EvlogError",[630,2342,2343],{"class":639}," message=Payment",[630,2345,2346],{"class":639}," failed",[630,2348,2349],{"class":639}," status=",[630,2351,2352],{"class":1030},"402\n",[630,2354,2355,2357,2359],{"class":632,"line":757},[630,2356,1437],{"class":636},[630,2358,1440],{"class":639},[630,2360,2361],{"class":639}," 880a50ac-...\n",[608,2363,508],{"id":2364},"configuration",[544,2366,2367,2368,2371,2372,2374],{},"See the ",[597,2369,2370],{"href":509},"Configuration reference"," for all available options (",[548,2373,787],{},", middleware options, sampling, silent mode, etc.).",[608,2376,2378],{"id":2377},"drain-enrichers","Drain & Enrichers",[544,2380,2381],{},"Configure drain adapters and enrichers directly in the plugin options:",[620,2383,2385],{"className":702,"code":2384,"filename":704,"language":705,"meta":626,"style":626},"import { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\n\nconst userAgent = createUserAgentEnricher()\n\nawait app.register(evlog, {\n  drain: createAxiomDrain(),\n  enrich: (ctx) => {\n    userAgent(ctx)\n    ctx.event.region = process.env.FLY_REGION\n  },\n})\n",[548,2386,2387,2407,2427,2431,2444,2448,2465,2479,2497,2508,2538,2543],{"__ignoreMap":626},[630,2388,2389,2391,2393,2396,2398,2400,2402,2405],{"class":632,"line":633},[630,2390,713],{"class":712},[630,2392,738],{"class":723},[630,2394,2395],{"class":716}," createAxiomDrain",[630,2397,744],{"class":723},[630,2399,747],{"class":712},[630,2401,724],{"class":723},[630,2403,2404],{"class":639},"evlog\u002Faxiom",[630,2406,730],{"class":723},[630,2408,2409,2411,2413,2416,2418,2420,2422,2425],{"class":632,"line":733},[630,2410,713],{"class":712},[630,2412,738],{"class":723},[630,2414,2415],{"class":716}," createUserAgentEnricher",[630,2417,744],{"class":723},[630,2419,747],{"class":712},[630,2421,724],{"class":723},[630,2423,2424],{"class":639},"evlog\u002Fenrichers",[630,2426,730],{"class":723},[630,2428,2429],{"class":632,"line":757},[630,2430,780],{"emptyLinePlaceholder":779},[630,2432,2433,2435,2438,2440,2442],{"class":632,"line":776},[630,2434,842],{"class":841},[630,2436,2437],{"class":716}," userAgent ",[630,2439,848],{"class":723},[630,2441,2415],{"class":786},[630,2443,1520],{"class":716},[630,2445,2446],{"class":632,"line":783},[630,2447,780],{"emptyLinePlaceholder":779},[630,2449,2450,2452,2454,2456,2458,2461,2463],{"class":632,"line":796},[630,2451,880],{"class":712},[630,2453,883],{"class":716},[630,2455,886],{"class":723},[630,2457,889],{"class":786},[630,2459,2460],{"class":716},"(evlog",[630,2462,920],{"class":723},[630,2464,939],{"class":723},[630,2466,2467,2470,2472,2474,2477],{"class":632,"line":824},[630,2468,2469],{"class":799},"  drain",[630,2471,803],{"class":723},[630,2473,2395],{"class":786},[630,2475,2476],{"class":716},"()",[630,2478,2085],{"class":723},[630,2480,2481,2484,2486,2488,2491,2493,2495],{"class":632,"line":833},[630,2482,2483],{"class":786},"  enrich",[630,2485,803],{"class":723},[630,2487,926],{"class":723},[630,2489,2490],{"class":929},"ctx",[630,2492,933],{"class":723},[630,2494,936],{"class":841},[630,2496,939],{"class":723},[630,2498,2499,2502,2504,2506],{"class":632,"line":838},[630,2500,2501],{"class":786},"    userAgent",[630,2503,790],{"class":799},[630,2505,2490],{"class":716},[630,2507,830],{"class":799},[630,2509,2510,2513,2515,2518,2520,2523,2525,2528,2530,2533,2535],{"class":632,"line":872},[630,2511,2512],{"class":716},"    ctx",[630,2514,886],{"class":723},[630,2516,2517],{"class":716},"event",[630,2519,886],{"class":723},[630,2521,2522],{"class":716},"region",[630,2524,1125],{"class":723},[630,2526,2527],{"class":716}," process",[630,2529,886],{"class":723},[630,2531,2532],{"class":716},"env",[630,2534,886],{"class":723},[630,2536,2537],{"class":716},"FLY_REGION\n",[630,2539,2540],{"class":632,"line":877},[630,2541,2542],{"class":723},"  },\n",[630,2544,2545,2547],{"class":632,"line":895},[630,2546,827],{"class":723},[630,2548,830],{"class":716},[612,2550,2552],{"id":2551},"pipeline-batching-retry","Pipeline (Batching & Retry)",[544,2554,2555,2556,2559],{},"For production, wrap your adapter with ",[548,2557,2558],{},"createDrainPipeline"," to batch events and retry on failure:",[620,2561,2563],{"className":702,"code":2562,"filename":704,"language":705,"meta":626,"style":626},"import type { DrainContext } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createDrainPipeline } from 'evlog\u002Fpipeline'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 50, intervalMs: 5000 },\n  retry: { maxAttempts: 3 },\n})\nconst drain = pipeline(createAxiomDrain())\n\nawait app.register(evlog, { drain })\n",[548,2564,2565,2587,2605,2625,2629,2653,2682,2701,2707,2727,2731],{"__ignoreMap":626},[630,2566,2567,2569,2572,2574,2577,2579,2581,2583,2585],{"class":632,"line":633},[630,2568,713],{"class":712},[630,2570,2571],{"class":712}," type",[630,2573,738],{"class":723},[630,2575,2576],{"class":716}," DrainContext",[630,2578,744],{"class":723},[630,2580,747],{"class":712},[630,2582,724],{"class":723},[630,2584,752],{"class":639},[630,2586,730],{"class":723},[630,2588,2589,2591,2593,2595,2597,2599,2601,2603],{"class":632,"line":733},[630,2590,713],{"class":712},[630,2592,738],{"class":723},[630,2594,2395],{"class":716},[630,2596,744],{"class":723},[630,2598,747],{"class":712},[630,2600,724],{"class":723},[630,2602,2404],{"class":639},[630,2604,730],{"class":723},[630,2606,2607,2609,2611,2614,2616,2618,2620,2623],{"class":632,"line":757},[630,2608,713],{"class":712},[630,2610,738],{"class":723},[630,2612,2613],{"class":716}," createDrainPipeline",[630,2615,744],{"class":723},[630,2617,747],{"class":712},[630,2619,724],{"class":723},[630,2621,2622],{"class":639},"evlog\u002Fpipeline",[630,2624,730],{"class":723},[630,2626,2627],{"class":632,"line":776},[630,2628,780],{"emptyLinePlaceholder":779},[630,2630,2631,2633,2636,2638,2640,2643,2646,2649,2651],{"class":632,"line":783},[630,2632,842],{"class":841},[630,2634,2635],{"class":716}," pipeline ",[630,2637,848],{"class":723},[630,2639,2613],{"class":786},[630,2641,2642],{"class":723},"\u003C",[630,2644,2645],{"class":636},"DrainContext",[630,2647,2648],{"class":723},">",[630,2650,790],{"class":716},[630,2652,793],{"class":723},[630,2654,2655,2658,2660,2662,2665,2667,2670,2672,2675,2677,2680],{"class":632,"line":796},[630,2656,2657],{"class":799},"  batch",[630,2659,803],{"class":723},[630,2661,738],{"class":723},[630,2663,2664],{"class":799}," size",[630,2666,803],{"class":723},[630,2668,2669],{"class":1030}," 50",[630,2671,920],{"class":723},[630,2673,2674],{"class":799}," intervalMs",[630,2676,803],{"class":723},[630,2678,2679],{"class":1030}," 5000",[630,2681,821],{"class":723},[630,2683,2684,2687,2689,2691,2694,2696,2699],{"class":632,"line":824},[630,2685,2686],{"class":799},"  retry",[630,2688,803],{"class":723},[630,2690,738],{"class":723},[630,2692,2693],{"class":799}," maxAttempts",[630,2695,803],{"class":723},[630,2697,2698],{"class":1030}," 3",[630,2700,821],{"class":723},[630,2702,2703,2705],{"class":632,"line":833},[630,2704,827],{"class":723},[630,2706,830],{"class":716},[630,2708,2709,2711,2714,2716,2719,2721,2724],{"class":632,"line":838},[630,2710,842],{"class":841},[630,2712,2713],{"class":716}," drain ",[630,2715,848],{"class":723},[630,2717,2718],{"class":786}," pipeline",[630,2720,790],{"class":716},[630,2722,2723],{"class":786},"createAxiomDrain",[630,2725,2726],{"class":716},"())\n",[630,2728,2729],{"class":632,"line":872},[630,2730,780],{"emptyLinePlaceholder":779},[630,2732,2733,2735,2737,2739,2741,2743,2745,2747,2749,2751],{"class":632,"line":877},[630,2734,880],{"class":712},[630,2736,883],{"class":716},[630,2738,886],{"class":723},[630,2740,889],{"class":786},[630,2742,2460],{"class":716},[630,2744,920],{"class":723},[630,2746,738],{"class":723},[630,2748,2713],{"class":716},[630,2750,827],{"class":723},[630,2752,830],{"class":716},[1037,2754,2755,2756,2759,2760,2763],{"color":1039,"icon":13},"Call ",[548,2757,2758],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[597,2761,2762],{"href":496},"Pipeline docs"," for all options.",[608,2765,2767],{"id":2766},"tail-sampling","Tail Sampling",[544,2769,1449,2770,2773],{},[548,2771,2772],{},"keep"," to force-retain specific events regardless of head sampling:",[620,2775,2777],{"className":702,"code":2776,"filename":704,"language":705,"meta":626,"style":626},"await app.register(evlog, {\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[548,2778,2779,2795,2807,2824,2868,2872],{"__ignoreMap":626},[630,2780,2781,2783,2785,2787,2789,2791,2793],{"class":632,"line":633},[630,2782,880],{"class":712},[630,2784,883],{"class":716},[630,2786,886],{"class":723},[630,2788,889],{"class":786},[630,2790,2460],{"class":716},[630,2792,920],{"class":723},[630,2794,939],{"class":723},[630,2796,2797,2799,2801,2803,2805],{"class":632,"line":733},[630,2798,2469],{"class":799},[630,2800,803],{"class":723},[630,2802,2395],{"class":786},[630,2804,2476],{"class":716},[630,2806,2085],{"class":723},[630,2808,2809,2812,2814,2816,2818,2820,2822],{"class":632,"line":757},[630,2810,2811],{"class":786},"  keep",[630,2813,803],{"class":723},[630,2815,926],{"class":723},[630,2817,2490],{"class":929},[630,2819,933],{"class":723},[630,2821,936],{"class":841},[630,2823,939],{"class":723},[630,2825,2826,2829,2831,2833,2835,2838,2841,2844,2846,2848,2851,2854,2856,2858,2860,2863,2865],{"class":632,"line":776},[630,2827,2828],{"class":712},"    if",[630,2830,926],{"class":799},[630,2832,2490],{"class":716},[630,2834,886],{"class":723},[630,2836,2837],{"class":716},"duration",[630,2839,2840],{"class":723}," &&",[630,2842,2843],{"class":716}," ctx",[630,2845,886],{"class":723},[630,2847,2837],{"class":716},[630,2849,2850],{"class":723}," >",[630,2852,2853],{"class":1030}," 2000",[630,2855,1346],{"class":799},[630,2857,2490],{"class":716},[630,2859,886],{"class":723},[630,2861,2862],{"class":716},"shouldKeep",[630,2864,1125],{"class":723},[630,2866,2867],{"class":864}," true\n",[630,2869,2870],{"class":632,"line":783},[630,2871,2542],{"class":723},[630,2873,2874,2876],{"class":632,"line":796},[630,2875,827],{"class":723},[630,2877,830],{"class":716},[608,2879,2881],{"id":2880},"route-filtering","Route Filtering",[544,2883,2884,2885,555,2888,2891],{},"Control which routes are logged with ",[548,2886,2887],{},"include",[548,2889,2890],{},"exclude"," patterns:",[620,2893,2895],{"className":702,"code":2894,"filename":704,"language":705,"meta":626,"style":626},"await app.register(evlog, {\n  include: ['\u002Fapi\u002F**'],\n  exclude: ['\u002F_internal\u002F**', '\u002Fhealth'],\n  routes: {\n    '\u002Fapi\u002Fauth\u002F**': { service: 'auth-service' },\n    '\u002Fapi\u002Fpayment\u002F**': { service: 'payment-service' },\n  },\n})\n",[548,2896,2897,2913,2935,2963,2972,2999,3025,3029],{"__ignoreMap":626},[630,2898,2899,2901,2903,2905,2907,2909,2911],{"class":632,"line":633},[630,2900,880],{"class":712},[630,2902,883],{"class":716},[630,2904,886],{"class":723},[630,2906,889],{"class":786},[630,2908,2460],{"class":716},[630,2910,920],{"class":723},[630,2912,939],{"class":723},[630,2914,2915,2918,2920,2923,2925,2928,2930,2933],{"class":632,"line":733},[630,2916,2917],{"class":799},"  include",[630,2919,803],{"class":723},[630,2921,2922],{"class":716}," [",[630,2924,818],{"class":723},[630,2926,2927],{"class":639},"\u002Fapi\u002F**",[630,2929,818],{"class":723},[630,2931,2932],{"class":716},"]",[630,2934,2085],{"class":723},[630,2936,2937,2940,2942,2944,2946,2949,2951,2953,2955,2957,2959,2961],{"class":632,"line":757},[630,2938,2939],{"class":799},"  exclude",[630,2941,803],{"class":723},[630,2943,2922],{"class":716},[630,2945,818],{"class":723},[630,2947,2948],{"class":639},"\u002F_internal\u002F**",[630,2950,818],{"class":723},[630,2952,920],{"class":723},[630,2954,724],{"class":723},[630,2956,915],{"class":639},[630,2958,818],{"class":723},[630,2960,2932],{"class":716},[630,2962,2085],{"class":723},[630,2964,2965,2968,2970],{"class":632,"line":776},[630,2966,2967],{"class":799},"  routes",[630,2969,803],{"class":723},[630,2971,939],{"class":723},[630,2973,2974,2977,2980,2982,2984,2986,2988,2990,2992,2995,2997],{"class":632,"line":783},[630,2975,2976],{"class":723},"    '",[630,2978,2979],{"class":799},"\u002Fapi\u002Fauth\u002F**",[630,2981,818],{"class":723},[630,2983,803],{"class":723},[630,2985,738],{"class":723},[630,2987,808],{"class":799},[630,2989,803],{"class":723},[630,2991,724],{"class":723},[630,2993,2994],{"class":639},"auth-service",[630,2996,818],{"class":723},[630,2998,821],{"class":723},[630,3000,3001,3003,3006,3008,3010,3012,3014,3016,3018,3021,3023],{"class":632,"line":796},[630,3002,2976],{"class":723},[630,3004,3005],{"class":799},"\u002Fapi\u002Fpayment\u002F**",[630,3007,818],{"class":723},[630,3009,803],{"class":723},[630,3011,738],{"class":723},[630,3013,808],{"class":799},[630,3015,803],{"class":723},[630,3017,724],{"class":723},[630,3019,3020],{"class":639},"payment-service",[630,3022,818],{"class":723},[630,3024,821],{"class":723},[630,3026,3027],{"class":632,"line":824},[630,3028,2542],{"class":723},[630,3030,3031,3033],{"class":632,"line":833},[630,3032,827],{"class":723},[630,3034,830],{"class":716},[608,3036,3038],{"id":3037},"run-locally","Run Locally",[620,3040,3043],{"className":622,"code":3041,"filename":3042,"language":625,"meta":626,"style":626},"git clone https:\u002F\u002Fgithub.com\u002Fhugorcd\u002Fevlog.git\ncd evlog\npnpm install\npnpm example fastify\n","Terminal",[548,3044,3045,3056,3064,3071],{"__ignoreMap":626},[630,3046,3047,3050,3053],{"class":632,"line":633},[630,3048,3049],{"class":636},"git",[630,3051,3052],{"class":639}," clone",[630,3054,3055],{"class":639}," https:\u002F\u002Fgithub.com\u002Fhugorcd\u002Fevlog.git\n",[630,3057,3058,3061],{"class":632,"line":733},[630,3059,3060],{"class":786},"cd",[630,3062,3063],{"class":639}," evlog\n",[630,3065,3066,3068],{"class":632,"line":757},[630,3067,624],{"class":636},[630,3069,3070],{"class":639}," install\n",[630,3072,3073,3075,3078],{"class":632,"line":776},[630,3074,624],{"class":636},[630,3076,3077],{"class":639}," example",[630,3079,646],{"class":639},[544,3081,3082,3083,3087],{},"Open ",[597,3084,3085],{"href":3085,"rel":3086},"http:\u002F\u002Flocalhost:3000",[601]," to explore the interactive test UI.",[3089,3090,3091],"card-group",{},[3092,3093,3097],"card",{"icon":3094,"title":3095,"to":3096},"i-simple-icons-github","Source Code","https:\u002F\u002Fgithub.com\u002Fhugorcd\u002Fevlog\u002Ftree\u002Fmain\u002Fexamples\u002Ffastify","Browse the complete Fastify example source on GitHub.",[608,3099,3101],{"id":3100},"next-steps","Next Steps",[569,3103,3104,3109,3114,3119],{},[572,3105,3106,3108],{},[597,3107,46],{"href":47},": Design comprehensive events with context layering",[572,3110,3111,3113],{},[597,3112,138],{"href":143},": Send logs to Axiom, Sentry, PostHog, and more",[572,3115,3116,3118],{},[597,3117,61],{"href":62},": Control log volume with head and tail sampling",[572,3120,3121,3123,3124,1977,3126,1981,3128,3130],{},[597,3122,51],{"href":52},": Throw errors with ",[548,3125,1976],{},[548,3127,1980],{},[548,3129,1984],{}," 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