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Install",[604,605,606,634,650,666],"code-group",{},[607,608,614],"pre",{"className":609,"code":610,"filename":611,"language":612,"meta":613,"style":613},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog fastify\n","pnpm","bash","",[535,615,616],{"__ignoreMap":613},[617,618,621,624,628,631],"span",{"class":619,"line":620},"line",1,[617,622,611],{"class":623},"sBMFI",[617,625,627],{"class":626},"sfazB"," add",[617,629,630],{"class":626}," evlog",[617,632,633],{"class":626}," fastify\n",[607,635,638],{"className":609,"code":636,"filename":637,"language":612,"meta":613,"style":613},"bun add evlog fastify\n","bun",[535,639,640],{"__ignoreMap":613},[617,641,642,644,646,648],{"class":619,"line":620},[617,643,637],{"class":623},[617,645,627],{"class":626},[617,647,630],{"class":626},[617,649,633],{"class":626},[607,651,654],{"className":609,"code":652,"filename":653,"language":612,"meta":613,"style":613},"yarn add evlog fastify\n","yarn",[535,655,656],{"__ignoreMap":613},[617,657,658,660,662,664],{"class":619,"line":620},[617,659,653],{"class":623},[617,661,627],{"class":626},[617,663,630],{"class":626},[617,665,633],{"class":626},[607,667,670],{"className":609,"code":668,"filename":669,"language":612,"meta":613,"style":613},"npm install evlog fastify\n","npm",[535,671,672],{"__ignoreMap":613},[617,673,674,676,679,681],{"class":619,"line":620},[617,675,669],{"class":623},[617,677,678],{"class":626}," install",[617,680,630],{"class":626},[617,682,633],{"class":626},[599,684,686],{"id":685},"_2-initialize-and-register-the-plugin","2. Initialize and register the plugin",[607,688,693],{"className":689,"code":690,"filename":691,"language":692,"meta":613,"style":613},"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",[535,694,695,718,742,761,768,781,809,818,823,857,862,880,885,927,963,982,989,994],{"__ignoreMap":613},[617,696,697,701,705,708,712,715],{"class":619,"line":620},[617,698,700],{"class":699},"s7zQu","import",[617,702,704],{"class":703},"sTEyZ"," Fastify ",[617,706,707],{"class":699},"from",[617,709,711],{"class":710},"sMK4o"," '",[617,713,714],{"class":626},"fastify",[617,716,717],{"class":710},"'\n",[617,719,721,723,726,729,732,735,737,740],{"class":619,"line":720},2,[617,722,700],{"class":699},[617,724,725],{"class":710}," {",[617,727,728],{"class":703}," initLogger",[617,730,731],{"class":710}," }",[617,733,734],{"class":699}," from",[617,736,711],{"class":710},[617,738,739],{"class":626},"evlog",[617,741,717],{"class":710},[617,743,745,747,749,751,753,755,757,759],{"class":619,"line":744},3,[617,746,700],{"class":699},[617,748,725],{"class":710},[617,750,630],{"class":703},[617,752,731],{"class":710},[617,754,734],{"class":699},[617,756,711],{"class":710},[617,758,537],{"class":626},[617,760,717],{"class":710},[617,762,764],{"class":619,"line":763},4,[617,765,767],{"emptyLinePlaceholder":766},true,"\n",[617,769,771,775,778],{"class":619,"line":770},5,[617,772,774],{"class":773},"s2Zo4","initLogger",[617,776,777],{"class":703},"(",[617,779,780],{"class":710},"{\n",[617,782,784,788,791,793,796,798,800,803,806],{"class":619,"line":783},6,[617,785,787],{"class":786},"swJcz","  env",[617,789,790],{"class":710},":",[617,792,725],{"class":710},[617,794,795],{"class":786}," service",[617,797,790],{"class":710},[617,799,711],{"class":710},[617,801,802],{"class":626},"my-api",[617,804,805],{"class":710},"'",[617,807,808],{"class":710}," },\n",[617,810,812,815],{"class":619,"line":811},7,[617,813,814],{"class":710},"}",[617,816,817],{"class":703},")\n",[617,819,821],{"class":619,"line":820},8,[617,822,767],{"emptyLinePlaceholder":766},[617,824,826,830,833,836,839,841,844,847,849,853,855],{"class":619,"line":825},9,[617,827,829],{"class":828},"spNyl","const",[617,831,832],{"class":703}," app ",[617,834,835],{"class":710},"=",[617,837,838],{"class":773}," Fastify",[617,840,777],{"class":703},[617,842,843],{"class":710},"{",[617,845,846],{"class":786}," logger",[617,848,790],{"class":710},[617,850,852],{"class":851},"sfNiH"," 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=>",[617,925,926],{"class":710}," {\n",[617,928,930,933,935,938,940,943,945,947,950,952,954,957,959,961],{"class":619,"line":929},14,[617,931,932],{"class":703},"  request",[617,934,873],{"class":710},[617,936,937],{"class":703},"log",[617,939,873],{"class":710},[617,941,942],{"class":773},"set",[617,944,777],{"class":786},[617,946,843],{"class":710},[617,948,949],{"class":786}," route",[617,951,790],{"class":710},[617,953,711],{"class":710},[617,955,956],{"class":626},"health",[617,958,805],{"class":710},[617,960,731],{"class":710},[617,962,817],{"class":786},[617,964,966,969,971,974,976,979],{"class":619,"line":965},15,[617,967,968],{"class":699},"  return",[617,970,725],{"class":710},[617,972,973],{"class":786}," ok",[617,975,790],{"class":710},[617,977,978],{"class":851}," true",[617,980,981],{"class":710}," }\n",[617,983,985,987],{"class":619,"line":984},16,[617,986,814],{"class":710},[617,988,817],{"class":703},[617,990,992],{"class":619,"line":991},17,[617,993,767],{"emptyLinePlaceholder":766},[617,995,997,999,1001,1003,1006,1008,1010,1013,1015,1019,1021],{"class":619,"line":996},18,[617,998,867],{"class":699},[617,1000,870],{"class":703},[617,1002,873],{"class":710},[617,1004,1005],{"class":773},"listen",[617,1007,777],{"class":703},[617,1009,843],{"class":710},[617,1011,1012],{"class":786}," port",[617,1014,790],{"class":710},[617,1016,1018],{"class":1017},"sbssI"," 3000",[617,1020,731],{"class":710},[617,1022,817],{"class":703},[1024,1025,1027,1031,1032,1038,1039,1042,1043,1046],"callout",{"color":1026,"icon":511},"info",[1028,1029,1030],"strong",{},"Using Vite?"," The ",[584,1033,1034,1037],{"href":509},[535,1035,1036],{},"evlog\u002Fvite"," plugin"," replaces the ",[535,1040,1041],{},"initLogger()"," call with compile-time auto-initialization, strips ",[535,1044,1045],{},"log.debug()"," from production builds, and injects source locations.",[531,1048,1049,1051,1052,1055],{},[535,1050,541],{}," is the evlog wide-event logger and shadows Fastify's built-in pino logger on the request. The pino logger remains accessible via ",[535,1053,1054],{},"fastify.log"," for server-level structured logging.",[595,1057,46],{"id":1058},"wide-events",[531,1060,1061],{},"Build up context progressively through your handler. One request = one wide event:",[607,1063,1065],{"className":689,"code":1064,"filename":691,"language":692,"meta":613,"style":613},"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",[535,1066,1067,1098,1135,1139,1170,1174,1200,1254,1258,1282,1340,1344,1358],{"__ignoreMap":613},[617,1068,1069,1071,1073,1075,1077,1079,1082,1084,1086,1088,1090,1092,1094,1096],{"class":619,"line":620},[617,1070,890],{"class":703},[617,1072,873],{"class":710},[617,1074,895],{"class":773},[617,1076,777],{"class":703},[617,1078,805],{"class":710},[617,1080,1081],{"class":626},"\u002Fusers\u002F:id",[617,1083,805],{"class":710},[617,1085,907],{"class":710},[617,1087,910],{"class":828},[617,1089,913],{"class":710},[617,1091,917],{"class":916},[617,1093,920],{"class":710},[617,1095,923],{"class":828},[617,1097,926],{"class":710},[617,1099,1100,1103,1105,1108,1110,1113,1116,1118,1121,1124,1126,1128,1130,1133],{"class":619,"line":720},[617,1101,1102],{"class":828},"  const",[617,1104,725],{"class":710},[617,1106,1107],{"class":703}," id",[617,1109,731],{"class":710},[617,1111,1112],{"class":710}," =",[617,1114,1115],{"class":703}," request",[617,1117,873],{"class":710},[617,1119,1120],{"class":703},"params",[617,1122,1123],{"class":699}," as",[617,1125,725],{"class":710},[617,1127,1107],{"class":786},[617,1129,790],{"class":710},[617,1131,1132],{"class":623}," string",[617,1134,981],{"class":710},[617,1136,1137],{"class":619,"line":744},[617,1138,767],{"emptyLinePlaceholder":766},[617,1140,1141,1143,1145,1147,1149,1151,1153,1155,1158,1160,1162,1164,1166,1168],{"class":619,"line":763},[617,1142,932],{"class":703},[617,1144,873],{"class":710},[617,1146,937],{"class":703},[617,1148,873],{"class":710},[617,1150,942],{"class":773},[617,1152,777],{"class":786},[617,1154,843],{"class":710},[617,1156,1157],{"class":786}," user",[617,1159,790],{"class":710},[617,1161,725],{"class":710},[617,1163,1107],{"class":703},[617,1165,731],{"class":710},[617,1167,731],{"class":710},[617,1169,817],{"class":786},[617,1171,1172],{"class":619,"line":770},[617,1173,767],{"emptyLinePlaceholder":766},[617,1175,1176,1178,1180,1182,1185,1188,1190,1193,1195,1198],{"class":619,"line":783},[617,1177,1102],{"class":828},[617,1179,1157],{"class":703},[617,1181,1112],{"class":710},[617,1183,1184],{"class":699}," await",[617,1186,1187],{"class":703}," db",[617,1189,873],{"class":710},[617,1191,1192],{"class":773},"findUser",[617,1194,777],{"class":786},[617,1196,1197],{"class":703},"id",[617,1199,817],{"class":786},[617,1201,1202,1204,1206,1208,1210,1212,1214,1216,1218,1220,1222,1225,1227,1229,1231,1234,1236,1239,1241,1243,1245,1248,1250,1252],{"class":619,"line":811},[617,1203,932],{"class":703},[617,1205,873],{"class":710},[617,1207,937],{"class":703},[617,1209,873],{"class":710},[617,1211,942],{"class":773},[617,1213,777],{"class":786},[617,1215,843],{"class":710},[617,1217,1157],{"class":786},[617,1219,790],{"class":710},[617,1221,725],{"class":710},[617,1223,1224],{"class":786}," name",[617,1226,790],{"class":710},[617,1228,1157],{"class":703},[617,1230,873],{"class":710},[617,1232,1233],{"class":703},"name",[617,1235,907],{"class":710},[617,1237,1238],{"class":786}," plan",[617,1240,790],{"class":710},[617,1242,1157],{"class":703},[617,1244,873],{"class":710},[617,1246,1247],{"class":703},"plan",[617,1249,731],{"class":710},[617,1251,731],{"class":710},[617,1253,817],{"class":786},[617,1255,1256],{"class":619,"line":820},[617,1257,767],{"emptyLinePlaceholder":766},[617,1259,1260,1262,1265,1267,1269,1271,1273,1276,1278,1280],{"class":619,"line":825},[617,1261,1102],{"class":828},[617,1263,1264],{"class":703}," orders",[617,1266,1112],{"class":710},[617,1268,1184],{"class":699},[617,1270,1187],{"class":703},[617,1272,873],{"class":710},[617,1274,1275],{"class":773},"findOrders",[617,1277,777],{"class":786},[617,1279,1197],{"class":703},[617,1281,817],{"class":786},[617,1283,1284,1286,1288,1290,1292,1294,1296,1298,1300,1302,1304,1307,1309,1311,1313,1316,1318,1321,1323,1326,1328,1331,1334,1336,1338],{"class":619,"line":859},[617,1285,932],{"class":703},[617,1287,873],{"class":710},[617,1289,937],{"class":703},[617,1291,873],{"class":710},[617,1293,942],{"class":773},[617,1295,777],{"class":786},[617,1297,843],{"class":710},[617,1299,1264],{"class":786},[617,1301,790],{"class":710},[617,1303,725],{"class":710},[617,1305,1306],{"class":786}," count",[617,1308,790],{"class":710},[617,1310,1264],{"class":703},[617,1312,873],{"class":710},[617,1314,1315],{"class":703},"length",[617,1317,907],{"class":710},[617,1319,1320],{"class":786}," totalRevenue",[617,1322,790],{"class":710},[617,1324,1325],{"class":773}," sum",[617,1327,777],{"class":786},[617,1329,1330],{"class":703},"orders",[617,1332,1333],{"class":786},") ",[617,1335,814],{"class":710},[617,1337,731],{"class":710},[617,1339,817],{"class":786},[617,1341,1342],{"class":619,"line":864},[617,1343,767],{"emptyLinePlaceholder":766},[617,1345,1346,1348,1350,1352,1354,1356],{"class":619,"line":882},[617,1347,968],{"class":699},[617,1349,725],{"class":710},[617,1351,1157],{"class":703},[617,1353,907],{"class":710},[617,1355,1264],{"class":703},[617,1357,981],{"class":710},[617,1359,1360,1362],{"class":619,"line":887},[617,1361,814],{"class":710},[617,1363,817],{"class":703},[531,1365,1366],{},"All fields are merged into a single wide event emitted when the request completes:",[607,1368,1371],{"className":609,"code":1369,"filename":1370,"language":612,"meta":613,"style":613},"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",[535,1372,1373,1384,1404,1420],{"__ignoreMap":613},[617,1374,1375,1378,1381],{"class":619,"line":620},[617,1376,1377],{"class":623},"14:58:15",[617,1379,1380],{"class":626}," INFO",[617,1382,1383],{"class":703}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[617,1385,1386,1389,1392,1395,1398,1401],{"class":619,"line":720},[617,1387,1388],{"class":623},"  ├─",[617,1390,1391],{"class":626}," orders:",[617,1393,1394],{"class":626}," count=",[617,1396,1397],{"class":1017},"2",[617,1399,1400],{"class":626}," totalRevenue=",[617,1402,1403],{"class":1017},"6298\n",[617,1405,1406,1408,1411,1414,1417],{"class":619,"line":744},[617,1407,1388],{"class":623},[617,1409,1410],{"class":626}," user:",[617,1412,1413],{"class":626}," id=usr_123",[617,1415,1416],{"class":626}," name=Alice",[617,1418,1419],{"class":626}," plan=pro\n",[617,1421,1422,1425,1428],{"class":619,"line":763},[617,1423,1424],{"class":623},"  └─",[617,1426,1427],{"class":626}," requestId:",[617,1429,1430],{"class":626}," 4a8ff3a8-...\n",[595,1432,545],{"id":1433},"uselogger",[531,1435,1436,1437,1439],{},"Use ",[535,1438,545],{}," to access the request-scoped logger from anywhere in the call stack without passing the request object through your service layer:",[607,1441,1444],{"className":689,"code":1442,"filename":1443,"language":692,"meta":613,"style":613},"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",[535,1445,1446,1465,1469,1494,1508,1535,1539,1561,1607,1611,1618],{"__ignoreMap":613},[617,1447,1448,1450,1452,1455,1457,1459,1461,1463],{"class":619,"line":620},[617,1449,700],{"class":699},[617,1451,725],{"class":710},[617,1453,1454],{"class":703}," useLogger",[617,1456,731],{"class":710},[617,1458,734],{"class":699},[617,1460,711],{"class":710},[617,1462,537],{"class":626},[617,1464,717],{"class":710},[617,1466,1467],{"class":619,"line":720},[617,1468,767],{"emptyLinePlaceholder":766},[617,1470,1471,1474,1476,1479,1482,1484,1486,1488,1490,1492],{"class":619,"line":744},[617,1472,1473],{"class":699},"export",[617,1475,910],{"class":828},[617,1477,1478],{"class":828}," function",[617,1480,1481],{"class":773}," findUser",[617,1483,777],{"class":710},[617,1485,1197],{"class":916},[617,1487,790],{"class":710},[617,1489,1132],{"class":623},[617,1491,920],{"class":710},[617,1493,926],{"class":710},[617,1495,1496,1498,1501,1503,1505],{"class":619,"line":763},[617,1497,1102],{"class":828},[617,1499,1500],{"class":703}," log",[617,1502,1112],{"class":710},[617,1504,1454],{"class":773},[617,1506,1507],{"class":786},"()\n",[617,1509,1510,1513,1515,1517,1519,1521,1523,1525,1527,1529,1531,1533],{"class":619,"line":770},[617,1511,1512],{"class":703},"  log",[617,1514,873],{"class":710},[617,1516,942],{"class":773},[617,1518,777],{"class":786},[617,1520,843],{"class":710},[617,1522,1157],{"class":786},[617,1524,790],{"class":710},[617,1526,725],{"class":710},[617,1528,1107],{"class":703},[617,1530,731],{"class":710},[617,1532,731],{"class":710},[617,1534,817],{"class":786},[617,1536,1537],{"class":619,"line":783},[617,1538,767],{"emptyLinePlaceholder":766},[617,1540,1541,1543,1545,1547,1549,1551,1553,1555,1557,1559],{"class":619,"line":811},[617,1542,1102],{"class":828},[617,1544,1157],{"class":703},[617,1546,1112],{"class":710},[617,1548,1184],{"class":699},[617,1550,1187],{"class":703},[617,1552,873],{"class":710},[617,1554,1192],{"class":773},[617,1556,777],{"class":786},[617,1558,1197],{"class":703},[617,1560,817],{"class":786},[617,1562,1563,1565,1567,1569,1571,1573,1575,1577,1579,1581,1583,1585,1587,1589,1591,1593,1595,1597,1599,1601,1603,1605],{"class":619,"line":820},[617,1564,1512],{"class":703},[617,1566,873],{"class":710},[617,1568,942],{"class":773},[617,1570,777],{"class":786},[617,1572,843],{"class":710},[617,1574,1157],{"class":786},[617,1576,790],{"class":710},[617,1578,725],{"class":710},[617,1580,1224],{"class":786},[617,1582,790],{"class":710},[617,1584,1157],{"class":703},[617,1586,873],{"class":710},[617,1588,1233],{"class":703},[617,1590,907],{"class":710},[617,1592,1238],{"class":786},[617,1594,790],{"class":710},[617,1596,1157],{"class":703},[617,1598,873],{"class":710},[617,1600,1247],{"class":703},[617,1602,731],{"class":710},[617,1604,731],{"class":710},[617,1606,817],{"class":786},[617,1608,1609],{"class":619,"line":825},[617,1610,767],{"emptyLinePlaceholder":766},[617,1612,1613,1615],{"class":619,"line":859},[617,1614,968],{"class":699},[617,1616,1617],{"class":703}," user\n",[617,1619,1620],{"class":619,"line":864},[617,1621,1622],{"class":710},"}\n",[607,1624,1626],{"className":689,"code":1625,"filename":691,"language":692,"meta":613,"style":613},"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",[535,1627,1628,1647,1651,1681,1711,1729,1735],{"__ignoreMap":613},[617,1629,1630,1632,1634,1636,1638,1640,1642,1645],{"class":619,"line":620},[617,1631,700],{"class":699},[617,1633,725],{"class":710},[617,1635,1481],{"class":703},[617,1637,731],{"class":710},[617,1639,734],{"class":699},[617,1641,711],{"class":710},[617,1643,1644],{"class":626},".\u002Fservices\u002Fuser",[617,1646,717],{"class":710},[617,1648,1649],{"class":619,"line":720},[617,1650,767],{"emptyLinePlaceholder":766},[617,1652,1653,1655,1657,1659,1661,1663,1665,1667,1669,1671,1673,1675,1677,1679],{"class":619,"line":744},[617,1654,890],{"class":703},[617,1656,873],{"class":710},[617,1658,895],{"class":773},[617,1660,777],{"class":703},[617,1662,805],{"class":710},[617,1664,1081],{"class":626},[617,1666,805],{"class":710},[617,1668,907],{"class":710},[617,1670,910],{"class":828},[617,1672,913],{"class":710},[617,1674,917],{"class":916},[617,1676,920],{"class":710},[617,1678,923],{"class":828},[617,1680,926],{"class":710},[617,1682,1683,1685,1687,1689,1691,1693,1695,1697,1699,1701,1703,1705,1707,1709],{"class":619,"line":763},[617,1684,1102],{"class":828},[617,1686,725],{"class":710},[617,1688,1107],{"class":703},[617,1690,731],{"class":710},[617,1692,1112],{"class":710},[617,1694,1115],{"class":703},[617,1696,873],{"class":710},[617,1698,1120],{"class":703},[617,1700,1123],{"class":699},[617,1702,725],{"class":710},[617,1704,1107],{"class":786},[617,1706,790],{"class":710},[617,1708,1132],{"class":623},[617,1710,981],{"class":710},[617,1712,1713,1715,1717,1719,1721,1723,1725,1727],{"class":619,"line":770},[617,1714,1102],{"class":828},[617,1716,1157],{"class":703},[617,1718,1112],{"class":710},[617,1720,1184],{"class":699},[617,1722,1481],{"class":773},[617,1724,777],{"class":786},[617,1726,1197],{"class":703},[617,1728,817],{"class":786},[617,1730,1731,1733],{"class":619,"line":783},[617,1732,968],{"class":699},[617,1734,1617],{"class":703},[617,1736,1737,1739],{"class":619,"line":811},[617,1738,814],{"class":710},[617,1740,817],{"class":703},[531,1742,1743,1744,542,1746,1748,1749,1751,1752,1755],{},"Both ",[535,1745,541],{},[535,1747,545],{}," return the same logger instance. ",[535,1750,545],{}," uses ",[535,1753,1754],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[595,1757,1759,1760,920],{"id":1758},"background-work-logfork","Background work (",[535,1761,1762],{},"log.fork",[531,1764,1436,1765,1768,1769,1772,1773,873],{},[535,1766,1767],{},"request.log.fork(label, fn)"," for async work that should emit a ",[1028,1770,1771],{},"separate"," child wide event after the response. See ",[584,1774,1776],{"href":1775},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","Wide events — After emit",[607,1778,1780],{"className":689,"code":1779,"filename":691,"language":692,"meta":613,"style":613},"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",[535,1781,1782,1804,1808,1845,1881,1894,1923,1930,1944],{"__ignoreMap":613},[617,1783,1784,1786,1788,1790,1792,1794,1796,1798,1800,1802],{"class":619,"line":620},[617,1785,700],{"class":699},[617,1787,725],{"class":710},[617,1789,630],{"class":703},[617,1791,907],{"class":710},[617,1793,1454],{"class":703},[617,1795,731],{"class":710},[617,1797,734],{"class":699},[617,1799,711],{"class":710},[617,1801,537],{"class":626},[617,1803,717],{"class":710},[617,1805,1806],{"class":619,"line":720},[617,1807,767],{"emptyLinePlaceholder":766},[617,1809,1810,1812,1814,1817,1819,1821,1824,1826,1828,1830,1832,1834,1836,1839,1841,1843],{"class":619,"line":744},[617,1811,890],{"class":703},[617,1813,873],{"class":710},[617,1815,1816],{"class":773},"post",[617,1818,777],{"class":703},[617,1820,805],{"class":710},[617,1822,1823],{"class":626},"\u002Forders",[617,1825,805],{"class":710},[617,1827,907],{"class":710},[617,1829,910],{"class":828},[617,1831,913],{"class":710},[617,1833,917],{"class":916},[617,1835,907],{"class":710},[617,1837,1838],{"class":916}," reply",[617,1840,920],{"class":710},[617,1842,923],{"class":828},[617,1844,926],{"class":710},[617,1846,1847,1849,1851,1853,1855,1858,1861,1863,1865,1868,1870,1872,1874,1877,1879],{"class":619,"line":763},[617,1848,932],{"class":703},[617,1850,873],{"class":710},[617,1852,937],{"class":703},[617,1854,873],{"class":710},[617,1856,1857],{"class":773},"fork",[617,1859,1860],{"class":710},"!",[617,1862,777],{"class":786},[617,1864,805],{"class":710},[617,1866,1867],{"class":626},"fulfill",[617,1869,805],{"class":710},[617,1871,907],{"class":710},[617,1873,910],{"class":828},[617,1875,1876],{"class":710}," ()",[617,1878,923],{"class":828},[617,1880,926],{"class":710},[617,1882,1883,1886,1888,1890,1892],{"class":619,"line":770},[617,1884,1885],{"class":828},"    const",[617,1887,1500],{"class":703},[617,1889,1112],{"class":710},[617,1891,1454],{"class":773},[617,1893,1507],{"class":786},[617,1895,1896,1899,1901,1903,1905,1907,1910,1912,1914,1917,1919,1921],{"class":619,"line":783},[617,1897,1898],{"class":703},"    log",[617,1900,873],{"class":710},[617,1902,942],{"class":773},[617,1904,777],{"class":786},[617,1906,843],{"class":710},[617,1908,1909],{"class":786}," step",[617,1911,790],{"class":710},[617,1913,711],{"class":710},[617,1915,1916],{"class":626},"ok",[617,1918,805],{"class":710},[617,1920,731],{"class":710},[617,1922,817],{"class":786},[617,1924,1925,1928],{"class":619,"line":811},[617,1926,1927],{"class":710},"  }",[617,1929,817],{"class":786},[617,1931,1932,1934,1936,1938,1940,1942],{"class":619,"line":820},[617,1933,968],{"class":699},[617,1935,725],{"class":710},[617,1937,973],{"class":786},[617,1939,790],{"class":710},[617,1941,978],{"class":851},[617,1943,981],{"class":710},[617,1945,1946,1948],{"class":619,"line":825},[617,1947,814],{"class":710},[617,1949,817],{"class":703},[595,1951,1953],{"id":1952},"error-handling","Error Handling",[531,1955,1436,1956,1959,1960,1963,1964,1967,1968,1971,1972,790],{},[535,1957,1958],{},"createError"," for structured errors with ",[535,1961,1962],{},"why",", ",[535,1965,1966],{},"fix",", and ",[535,1969,1970],{},"link"," fields. Fastify captures thrown errors via ",[535,1973,1974],{},"onError",[607,1976,1978],{"className":689,"code":1977,"filename":691,"language":692,"meta":613,"style":613},"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",[535,1979,1980,2004,2008,2044,2055,2072,2084,2100,2116,2132,2138,2144,2148,2179,2196,2226,2241,2255,2269,2284,2291],{"__ignoreMap":613},[617,1981,1982,1984,1986,1989,1991,1994,1996,1998,2000,2002],{"class":619,"line":620},[617,1983,700],{"class":699},[617,1985,725],{"class":710},[617,1987,1988],{"class":703}," createError",[617,1990,907],{"class":710},[617,1992,1993],{"class":703}," parseError",[617,1995,731],{"class":710},[617,1997,734],{"class":699},[617,1999,711],{"class":710},[617,2001,739],{"class":626},[617,2003,717],{"class":710},[617,2005,2006],{"class":619,"line":720},[617,2007,767],{"emptyLinePlaceholder":766},[617,2009,2010,2012,2014,2016,2018,2020,2023,2025,2027,2029,2031,2034,2036,2038,2040,2042],{"class":619,"line":744},[617,2011,890],{"class":703},[617,2013,873],{"class":710},[617,2015,895],{"class":773},[617,2017,777],{"class":703},[617,2019,805],{"class":710},[617,2021,2022],{"class":626},"\u002Fcheckout",[617,2024,805],{"class":710},[617,2026,907],{"class":710},[617,2028,910],{"class":828},[617,2030,913],{"class":710},[617,2032,2033],{"class":916},"_request",[617,2035,907],{"class":710},[617,2037,1838],{"class":916},[617,2039,920],{"class":710},[617,2041,923],{"class":828},[617,2043,926],{"class":710},[617,2045,2046,2049,2051,2053],{"class":619,"line":763},[617,2047,2048],{"class":699},"  throw",[617,2050,1988],{"class":773},[617,2052,777],{"class":786},[617,2054,780],{"class":710},[617,2056,2057,2060,2062,2064,2067,2069],{"class":619,"line":770},[617,2058,2059],{"class":786},"    message",[617,2061,790],{"class":710},[617,2063,711],{"class":710},[617,2065,2066],{"class":626},"Payment failed",[617,2068,805],{"class":710},[617,2070,2071],{"class":710},",\n",[617,2073,2074,2077,2079,2082],{"class":619,"line":783},[617,2075,2076],{"class":786},"    status",[617,2078,790],{"class":710},[617,2080,2081],{"class":1017}," 402",[617,2083,2071],{"class":710},[617,2085,2086,2089,2091,2093,2096,2098],{"class":619,"line":811},[617,2087,2088],{"class":786},"    why",[617,2090,790],{"class":710},[617,2092,711],{"class":710},[617,2094,2095],{"class":626},"Card declined by issuer",[617,2097,805],{"class":710},[617,2099,2071],{"class":710},[617,2101,2102,2105,2107,2109,2112,2114],{"class":619,"line":820},[617,2103,2104],{"class":786},"    fix",[617,2106,790],{"class":710},[617,2108,711],{"class":710},[617,2110,2111],{"class":626},"Try a different payment method",[617,2113,805],{"class":710},[617,2115,2071],{"class":710},[617,2117,2118,2121,2123,2125,2128,2130],{"class":619,"line":825},[617,2119,2120],{"class":786},"    link",[617,2122,790],{"class":710},[617,2124,711],{"class":710},[617,2126,2127],{"class":626},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[617,2129,805],{"class":710},[617,2131,2071],{"class":710},[617,2133,2134,2136],{"class":619,"line":859},[617,2135,1927],{"class":710},[617,2137,817],{"class":786},[617,2139,2140,2142],{"class":619,"line":864},[617,2141,814],{"class":710},[617,2143,817],{"class":703},[617,2145,2146],{"class":619,"line":882},[617,2147,767],{"emptyLinePlaceholder":766},[617,2149,2150,2152,2154,2157,2159,2161,2164,2166,2169,2171,2173,2175,2177],{"class":619,"line":887},[617,2151,890],{"class":703},[617,2153,873],{"class":710},[617,2155,2156],{"class":773},"setErrorHandler",[617,2158,777],{"class":703},[617,2160,777],{"class":710},[617,2162,2163],{"class":916},"error",[617,2165,907],{"class":710},[617,2167,2168],{"class":916}," _request",[617,2170,907],{"class":710},[617,2172,1838],{"class":916},[617,2174,920],{"class":710},[617,2176,923],{"class":828},[617,2178,926],{"class":710},[617,2180,2181,2183,2186,2188,2190,2192,2194],{"class":619,"line":929},[617,2182,1102],{"class":828},[617,2184,2185],{"class":703}," parsed",[617,2187,1112],{"class":710},[617,2189,1993],{"class":773},[617,2191,777],{"class":786},[617,2193,2163],{"class":703},[617,2195,817],{"class":786},[617,2197,2198,2201,2203,2206,2208,2211,2213,2215,2217,2219,2222,2224],{"class":619,"line":965},[617,2199,2200],{"class":703},"  reply",[617,2202,873],{"class":710},[617,2204,2205],{"class":773},"status",[617,2207,777],{"class":786},[617,2209,2210],{"class":703},"parsed",[617,2212,873],{"class":710},[617,2214,2205],{"class":703},[617,2216,920],{"class":786},[617,2218,873],{"class":710},[617,2220,2221],{"class":773},"send",[617,2223,777],{"class":786},[617,2225,780],{"class":710},[617,2227,2228,2230,2232,2234,2236,2239],{"class":619,"line":984},[617,2229,2059],{"class":786},[617,2231,790],{"class":710},[617,2233,2185],{"class":703},[617,2235,873],{"class":710},[617,2237,2238],{"class":703},"message",[617,2240,2071],{"class":710},[617,2242,2243,2245,2247,2249,2251,2253],{"class":619,"line":991},[617,2244,2088],{"class":786},[617,2246,790],{"class":710},[617,2248,2185],{"class":703},[617,2250,873],{"class":710},[617,2252,1962],{"class":703},[617,2254,2071],{"class":710},[617,2256,2257,2259,2261,2263,2265,2267],{"class":619,"line":996},[617,2258,2104],{"class":786},[617,2260,790],{"class":710},[617,2262,2185],{"class":703},[617,2264,873],{"class":710},[617,2266,1966],{"class":703},[617,2268,2071],{"class":710},[617,2270,2272,2274,2276,2278,2280,2282],{"class":619,"line":2271},19,[617,2273,2120],{"class":786},[617,2275,790],{"class":710},[617,2277,2185],{"class":703},[617,2279,873],{"class":710},[617,2281,1970],{"class":703},[617,2283,2071],{"class":710},[617,2285,2287,2289],{"class":619,"line":2286},20,[617,2288,1927],{"class":710},[617,2290,817],{"class":786},[617,2292,2294,2296],{"class":619,"line":2293},21,[617,2295,814],{"class":710},[617,2297,817],{"class":703},[531,2299,2300],{},"The error is captured and logged with both the custom context and structured error fields:",[607,2302,2304],{"className":609,"code":2303,"filename":1370,"language":612,"meta":613,"style":613},"14:58:20 ERROR [my-api] GET \u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  └─ requestId: 880a50ac-...\n",[535,2305,2306,2317,2339],{"__ignoreMap":613},[617,2307,2308,2311,2314],{"class":619,"line":620},[617,2309,2310],{"class":623},"14:58:20",[617,2312,2313],{"class":626}," ERROR",[617,2315,2316],{"class":703}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[617,2318,2319,2321,2324,2327,2330,2333,2336],{"class":619,"line":720},[617,2320,1388],{"class":623},[617,2322,2323],{"class":626}," error:",[617,2325,2326],{"class":626}," name=EvlogError",[617,2328,2329],{"class":626}," message=Payment",[617,2331,2332],{"class":626}," failed",[617,2334,2335],{"class":626}," status=",[617,2337,2338],{"class":1017},"402\n",[617,2340,2341,2343,2345],{"class":619,"line":744},[617,2342,1424],{"class":623},[617,2344,1427],{"class":626},[617,2346,2347],{"class":626}," 880a50ac-...\n",[595,2349,500],{"id":2350},"configuration",[531,2352,2353,2354,2357,2358,2360],{},"See the ",[584,2355,2356],{"href":501},"Configuration reference"," for all available options (",[535,2359,774],{},", middleware options, sampling, silent mode, etc.).",[595,2362,2364],{"id":2363},"drain-enrichers","Drain & Enrichers",[531,2366,2367],{},"Configure drain adapters and enrichers directly in the plugin options:",[607,2369,2371],{"className":689,"code":2370,"filename":691,"language":692,"meta":613,"style":613},"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",[535,2372,2373,2393,2413,2417,2430,2434,2451,2465,2483,2494,2524,2529],{"__ignoreMap":613},[617,2374,2375,2377,2379,2382,2384,2386,2388,2391],{"class":619,"line":620},[617,2376,700],{"class":699},[617,2378,725],{"class":710},[617,2380,2381],{"class":703}," createAxiomDrain",[617,2383,731],{"class":710},[617,2385,734],{"class":699},[617,2387,711],{"class":710},[617,2389,2390],{"class":626},"evlog\u002Faxiom",[617,2392,717],{"class":710},[617,2394,2395,2397,2399,2402,2404,2406,2408,2411],{"class":619,"line":720},[617,2396,700],{"class":699},[617,2398,725],{"class":710},[617,2400,2401],{"class":703}," createUserAgentEnricher",[617,2403,731],{"class":710},[617,2405,734],{"class":699},[617,2407,711],{"class":710},[617,2409,2410],{"class":626},"evlog\u002Fenrichers",[617,2412,717],{"class":710},[617,2414,2415],{"class":619,"line":744},[617,2416,767],{"emptyLinePlaceholder":766},[617,2418,2419,2421,2424,2426,2428],{"class":619,"line":763},[617,2420,829],{"class":828},[617,2422,2423],{"class":703}," userAgent ",[617,2425,835],{"class":710},[617,2427,2401],{"class":773},[617,2429,1507],{"class":703},[617,2431,2432],{"class":619,"line":770},[617,2433,767],{"emptyLinePlaceholder":766},[617,2435,2436,2438,2440,2442,2444,2447,2449],{"class":619,"line":783},[617,2437,867],{"class":699},[617,2439,870],{"class":703},[617,2441,873],{"class":710},[617,2443,876],{"class":773},[617,2445,2446],{"class":703},"(evlog",[617,2448,907],{"class":710},[617,2450,926],{"class":710},[617,2452,2453,2456,2458,2460,2463],{"class":619,"line":811},[617,2454,2455],{"class":786},"  drain",[617,2457,790],{"class":710},[617,2459,2381],{"class":773},[617,2461,2462],{"class":703},"()",[617,2464,2071],{"class":710},[617,2466,2467,2470,2472,2474,2477,2479,2481],{"class":619,"line":820},[617,2468,2469],{"class":773},"  enrich",[617,2471,790],{"class":710},[617,2473,913],{"class":710},[617,2475,2476],{"class":916},"ctx",[617,2478,920],{"class":710},[617,2480,923],{"class":828},[617,2482,926],{"class":710},[617,2484,2485,2488,2490,2492],{"class":619,"line":825},[617,2486,2487],{"class":773},"    userAgent",[617,2489,777],{"class":786},[617,2491,2476],{"class":703},[617,2493,817],{"class":786},[617,2495,2496,2499,2501,2504,2506,2509,2511,2514,2516,2519,2521],{"class":619,"line":859},[617,2497,2498],{"class":703},"    ctx",[617,2500,873],{"class":710},[617,2502,2503],{"class":703},"event",[617,2505,873],{"class":710},[617,2507,2508],{"class":703},"region",[617,2510,1112],{"class":710},[617,2512,2513],{"class":703}," process",[617,2515,873],{"class":710},[617,2517,2518],{"class":703},"env",[617,2520,873],{"class":710},[617,2522,2523],{"class":703},"FLY_REGION\n",[617,2525,2526],{"class":619,"line":864},[617,2527,2528],{"class":710},"  },\n",[617,2530,2531,2533],{"class":619,"line":882},[617,2532,814],{"class":710},[617,2534,817],{"class":703},[599,2536,2538],{"id":2537},"pipeline-batching-retry","Pipeline (Batching & Retry)",[531,2540,2541,2542,2545],{},"For production, wrap your adapter with ",[535,2543,2544],{},"createDrainPipeline"," to batch events and retry on failure:",[607,2547,2549],{"className":689,"code":2548,"filename":691,"language":692,"meta":613,"style":613},"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",[535,2550,2551,2573,2591,2611,2615,2639,2668,2687,2693,2713,2717],{"__ignoreMap":613},[617,2552,2553,2555,2558,2560,2563,2565,2567,2569,2571],{"class":619,"line":620},[617,2554,700],{"class":699},[617,2556,2557],{"class":699}," type",[617,2559,725],{"class":710},[617,2561,2562],{"class":703}," DrainContext",[617,2564,731],{"class":710},[617,2566,734],{"class":699},[617,2568,711],{"class":710},[617,2570,739],{"class":626},[617,2572,717],{"class":710},[617,2574,2575,2577,2579,2581,2583,2585,2587,2589],{"class":619,"line":720},[617,2576,700],{"class":699},[617,2578,725],{"class":710},[617,2580,2381],{"class":703},[617,2582,731],{"class":710},[617,2584,734],{"class":699},[617,2586,711],{"class":710},[617,2588,2390],{"class":626},[617,2590,717],{"class":710},[617,2592,2593,2595,2597,2600,2602,2604,2606,2609],{"class":619,"line":744},[617,2594,700],{"class":699},[617,2596,725],{"class":710},[617,2598,2599],{"class":703}," createDrainPipeline",[617,2601,731],{"class":710},[617,2603,734],{"class":699},[617,2605,711],{"class":710},[617,2607,2608],{"class":626},"evlog\u002Fpipeline",[617,2610,717],{"class":710},[617,2612,2613],{"class":619,"line":763},[617,2614,767],{"emptyLinePlaceholder":766},[617,2616,2617,2619,2622,2624,2626,2629,2632,2635,2637],{"class":619,"line":770},[617,2618,829],{"class":828},[617,2620,2621],{"class":703}," pipeline ",[617,2623,835],{"class":710},[617,2625,2599],{"class":773},[617,2627,2628],{"class":710},"\u003C",[617,2630,2631],{"class":623},"DrainContext",[617,2633,2634],{"class":710},">",[617,2636,777],{"class":703},[617,2638,780],{"class":710},[617,2640,2641,2644,2646,2648,2651,2653,2656,2658,2661,2663,2666],{"class":619,"line":783},[617,2642,2643],{"class":786},"  batch",[617,2645,790],{"class":710},[617,2647,725],{"class":710},[617,2649,2650],{"class":786}," size",[617,2652,790],{"class":710},[617,2654,2655],{"class":1017}," 50",[617,2657,907],{"class":710},[617,2659,2660],{"class":786}," intervalMs",[617,2662,790],{"class":710},[617,2664,2665],{"class":1017}," 5000",[617,2667,808],{"class":710},[617,2669,2670,2673,2675,2677,2680,2682,2685],{"class":619,"line":811},[617,2671,2672],{"class":786},"  retry",[617,2674,790],{"class":710},[617,2676,725],{"class":710},[617,2678,2679],{"class":786}," maxAttempts",[617,2681,790],{"class":710},[617,2683,2684],{"class":1017}," 3",[617,2686,808],{"class":710},[617,2688,2689,2691],{"class":619,"line":820},[617,2690,814],{"class":710},[617,2692,817],{"class":703},[617,2694,2695,2697,2700,2702,2705,2707,2710],{"class":619,"line":825},[617,2696,829],{"class":828},[617,2698,2699],{"class":703}," drain ",[617,2701,835],{"class":710},[617,2703,2704],{"class":773}," pipeline",[617,2706,777],{"class":703},[617,2708,2709],{"class":773},"createAxiomDrain",[617,2711,2712],{"class":703},"())\n",[617,2714,2715],{"class":619,"line":859},[617,2716,767],{"emptyLinePlaceholder":766},[617,2718,2719,2721,2723,2725,2727,2729,2731,2733,2735,2737],{"class":619,"line":864},[617,2720,867],{"class":699},[617,2722,870],{"class":703},[617,2724,873],{"class":710},[617,2726,876],{"class":773},[617,2728,2446],{"class":703},[617,2730,907],{"class":710},[617,2732,725],{"class":710},[617,2734,2699],{"class":703},[617,2736,814],{"class":710},[617,2738,817],{"class":703},[1024,2740,2741,2742,2745,2746,2749],{"color":1026,"icon":13},"Call ",[535,2743,2744],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[584,2747,2748],{"href":492},"Pipeline docs"," for all options.",[595,2751,2753],{"id":2752},"tail-sampling","Tail Sampling",[531,2755,1436,2756,2759],{},[535,2757,2758],{},"keep"," to force-retain specific events regardless of head sampling:",[607,2761,2763],{"className":689,"code":2762,"filename":691,"language":692,"meta":613,"style":613},"await app.register(evlog, {\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[535,2764,2765,2781,2793,2810,2854,2858],{"__ignoreMap":613},[617,2766,2767,2769,2771,2773,2775,2777,2779],{"class":619,"line":620},[617,2768,867],{"class":699},[617,2770,870],{"class":703},[617,2772,873],{"class":710},[617,2774,876],{"class":773},[617,2776,2446],{"class":703},[617,2778,907],{"class":710},[617,2780,926],{"class":710},[617,2782,2783,2785,2787,2789,2791],{"class":619,"line":720},[617,2784,2455],{"class":786},[617,2786,790],{"class":710},[617,2788,2381],{"class":773},[617,2790,2462],{"class":703},[617,2792,2071],{"class":710},[617,2794,2795,2798,2800,2802,2804,2806,2808],{"class":619,"line":744},[617,2796,2797],{"class":773},"  keep",[617,2799,790],{"class":710},[617,2801,913],{"class":710},[617,2803,2476],{"class":916},[617,2805,920],{"class":710},[617,2807,923],{"class":828},[617,2809,926],{"class":710},[617,2811,2812,2815,2817,2819,2821,2824,2827,2830,2832,2834,2837,2840,2842,2844,2846,2849,2851],{"class":619,"line":763},[617,2813,2814],{"class":699},"    if",[617,2816,913],{"class":786},[617,2818,2476],{"class":703},[617,2820,873],{"class":710},[617,2822,2823],{"class":703},"duration",[617,2825,2826],{"class":710}," &&",[617,2828,2829],{"class":703}," ctx",[617,2831,873],{"class":710},[617,2833,2823],{"class":703},[617,2835,2836],{"class":710}," >",[617,2838,2839],{"class":1017}," 2000",[617,2841,1333],{"class":786},[617,2843,2476],{"class":703},[617,2845,873],{"class":710},[617,2847,2848],{"class":703},"shouldKeep",[617,2850,1112],{"class":710},[617,2852,2853],{"class":851}," true\n",[617,2855,2856],{"class":619,"line":770},[617,2857,2528],{"class":710},[617,2859,2860,2862],{"class":619,"line":783},[617,2861,814],{"class":710},[617,2863,817],{"class":703},[595,2865,2867],{"id":2866},"route-filtering","Route Filtering",[531,2869,2870,2871,542,2874,2877],{},"Control which routes are logged with ",[535,2872,2873],{},"include",[535,2875,2876],{},"exclude"," patterns:",[607,2879,2881],{"className":689,"code":2880,"filename":691,"language":692,"meta":613,"style":613},"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",[535,2882,2883,2899,2921,2949,2958,2985,3011,3015],{"__ignoreMap":613},[617,2884,2885,2887,2889,2891,2893,2895,2897],{"class":619,"line":620},[617,2886,867],{"class":699},[617,2888,870],{"class":703},[617,2890,873],{"class":710},[617,2892,876],{"class":773},[617,2894,2446],{"class":703},[617,2896,907],{"class":710},[617,2898,926],{"class":710},[617,2900,2901,2904,2906,2909,2911,2914,2916,2919],{"class":619,"line":720},[617,2902,2903],{"class":786},"  include",[617,2905,790],{"class":710},[617,2907,2908],{"class":703}," [",[617,2910,805],{"class":710},[617,2912,2913],{"class":626},"\u002Fapi\u002F**",[617,2915,805],{"class":710},[617,2917,2918],{"class":703},"]",[617,2920,2071],{"class":710},[617,2922,2923,2926,2928,2930,2932,2935,2937,2939,2941,2943,2945,2947],{"class":619,"line":744},[617,2924,2925],{"class":786},"  exclude",[617,2927,790],{"class":710},[617,2929,2908],{"class":703},[617,2931,805],{"class":710},[617,2933,2934],{"class":626},"\u002F_internal\u002F**",[617,2936,805],{"class":710},[617,2938,907],{"class":710},[617,2940,711],{"class":710},[617,2942,902],{"class":626},[617,2944,805],{"class":710},[617,2946,2918],{"class":703},[617,2948,2071],{"class":710},[617,2950,2951,2954,2956],{"class":619,"line":763},[617,2952,2953],{"class":786},"  routes",[617,2955,790],{"class":710},[617,2957,926],{"class":710},[617,2959,2960,2963,2966,2968,2970,2972,2974,2976,2978,2981,2983],{"class":619,"line":770},[617,2961,2962],{"class":710},"    '",[617,2964,2965],{"class":786},"\u002Fapi\u002Fauth\u002F**",[617,2967,805],{"class":710},[617,2969,790],{"class":710},[617,2971,725],{"class":710},[617,2973,795],{"class":786},[617,2975,790],{"class":710},[617,2977,711],{"class":710},[617,2979,2980],{"class":626},"auth-service",[617,2982,805],{"class":710},[617,2984,808],{"class":710},[617,2986,2987,2989,2992,2994,2996,2998,3000,3002,3004,3007,3009],{"class":619,"line":783},[617,2988,2962],{"class":710},[617,2990,2991],{"class":786},"\u002Fapi\u002Fpayment\u002F**",[617,2993,805],{"class":710},[617,2995,790],{"class":710},[617,2997,725],{"class":710},[617,2999,795],{"class":786},[617,3001,790],{"class":710},[617,3003,711],{"class":710},[617,3005,3006],{"class":626},"payment-service",[617,3008,805],{"class":710},[617,3010,808],{"class":710},[617,3012,3013],{"class":619,"line":811},[617,3014,2528],{"class":710},[617,3016,3017,3019],{"class":619,"line":820},[617,3018,814],{"class":710},[617,3020,817],{"class":703},[595,3022,3024],{"id":3023},"run-locally","Run Locally",[607,3026,3029],{"className":609,"code":3027,"filename":3028,"language":612,"meta":613,"style":613},"git clone https:\u002F\u002Fgithub.com\u002Fhugorcd\u002Fevlog.git\ncd evlog\npnpm install\npnpm example fastify\n","Terminal",[535,3030,3031,3042,3050,3057],{"__ignoreMap":613},[617,3032,3033,3036,3039],{"class":619,"line":620},[617,3034,3035],{"class":623},"git",[617,3037,3038],{"class":626}," clone",[617,3040,3041],{"class":626}," https:\u002F\u002Fgithub.com\u002Fhugorcd\u002Fevlog.git\n",[617,3043,3044,3047],{"class":619,"line":720},[617,3045,3046],{"class":773},"cd",[617,3048,3049],{"class":626}," evlog\n",[617,3051,3052,3054],{"class":619,"line":744},[617,3053,611],{"class":623},[617,3055,3056],{"class":626}," install\n",[617,3058,3059,3061,3064],{"class":619,"line":763},[617,3060,611],{"class":623},[617,3062,3063],{"class":626}," example",[617,3065,633],{"class":626},[531,3067,3068,3069,3073],{},"Open ",[584,3070,3071],{"href":3071,"rel":3072},"http:\u002F\u002Flocalhost:3000",[588]," to explore the interactive test UI.",[3075,3076,3077],"card-group",{},[3078,3079,3083],"card",{"icon":3080,"title":3081,"to":3082},"i-simple-icons-github","Source Code","https:\u002F\u002Fgithub.com\u002Fhugorcd\u002Fevlog\u002Ftree\u002Fmain\u002Fexamples\u002Ffastify","Browse the complete Fastify example source on GitHub.",[595,3085,3087],{"id":3086},"next-steps","Next Steps",[556,3089,3090,3095,3100,3105],{},[559,3091,3092,3094],{},[584,3093,46],{"href":47},": Design comprehensive events with context layering",[559,3096,3097,3099],{},[584,3098,138],{"href":143},": Send logs to Axiom, Sentry, PostHog, and more",[559,3101,3102,3104],{},[584,3103,61],{"href":62},": Control log volume with head and tail sampling",[559,3106,3107,3109,3110,1963,3112,1967,3114,3116],{},[584,3108,51],{"href":52},": Throw errors with ",[535,3111,1962],{},[535,3113,1966],{},[535,3115,1970],{}," 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