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})\nlogger.info('Processing records')\nlogger.info('Processing complete')\nlogger.info('Job finished', { duration: 234 })\n","src\u002Fservice.ts","typescript","",[622,623,624,656,700,740,760,780],"code",{"__ignoreMap":620},[625,626,629,633,637,641,644,647,651,653],"span",{"class":627,"line":628},"line",1,[625,630,632],{"class":631},"sTEyZ","logger",[625,634,636],{"class":635},"sMK4o",".",[625,638,640],{"class":639},"s2Zo4","info",[625,642,643],{"class":631},"(",[625,645,646],{"class":635},"'",[625,648,650],{"class":649},"sfazB","Job started",[625,652,646],{"class":635},[625,654,655],{"class":631},")\n",[625,657,659,661,663,665,667,669,672,674,677,680,684,687,690,692,695,698],{"class":627,"line":658},2,[625,660,632],{"class":631},[625,662,636],{"class":635},[625,664,640],{"class":639},[625,666,643],{"class":631},[625,668,646],{"class":635},[625,670,671],{"class":649},"User authenticated",[625,673,646],{"class":635},[625,675,676],{"class":635},",",[625,678,679],{"class":635}," {",[625,681,683],{"class":682},"swJcz"," userId",[625,685,686],{"class":635},":",[625,688,689],{"class":631}," user",[625,691,636],{"class":635},[625,693,694],{"class":631},"id ",[625,696,697],{"class":635},"}",[625,699,655],{"class":631},[625,701,703,705,707,709,711,713,716,718,720,722,725,727,730,733,735,738],{"class":627,"line":702},3,[625,704,632],{"class":631},[625,706,636],{"class":635},[625,708,640],{"class":639},[625,710,643],{"class":631},[625,712,646],{"class":635},[625,714,715],{"class":649},"Fetching data",[625,717,646],{"class":635},[625,719,676],{"class":635},[625,721,679],{"class":635},[625,723,724],{"class":682}," source",[625,726,686],{"class":635},[625,728,729],{"class":635}," '",[625,731,732],{"class":649},"postgres",[625,734,646],{"class":635},[625,736,737],{"class":635}," }",[625,739,655],{"class":631},[625,741,743,745,747,749,751,753,756,758],{"class":627,"line":742},4,[625,744,632],{"class":631},[625,746,636],{"class":635},[625,748,640],{"class":639},[625,750,643],{"class":631},[625,752,646],{"class":635},[625,754,755],{"class":649},"Processing records",[625,757,646],{"class":635},[625,759,655],{"class":631},[625,761,763,765,767,769,771,773,776,778],{"class":627,"line":762},5,[625,764,632],{"class":631},[625,766,636],{"class":635},[625,768,640],{"class":639},[625,770,643],{"class":631},[625,772,646],{"class":635},[625,774,775],{"class":649},"Processing complete",[625,777,646],{"class":635},[625,779,655],{"class":631},[625,781,783,785,787,789,791,793,796,798,800,802,805,807,811,813],{"class":627,"line":782},6,[625,784,632],{"class":631},[625,786,636],{"class":635},[625,788,640],{"class":639},[625,790,643],{"class":631},[625,792,646],{"class":635},[625,794,795],{"class":649},"Job finished",[625,797,646],{"class":635},[625,799,676],{"class":635},[625,801,679],{"class":635},[625,803,804],{"class":682}," duration",[625,806,686],{"class":635},[625,808,810],{"class":809},"sbssI"," 234",[625,812,737],{"class":635},[625,814,655],{"class":631},[539,816,817],{},"This approach has problems:",[565,819,820,827,833,839],{},[568,821,822,826],{},[823,824,825],"strong",{},"Scattered context",": Information is spread across multiple log lines",[568,828,829,832],{},[823,830,831],{},"Hard to correlate",": Matching logs to operations requires IDs everywhere",[568,834,835,838],{},[823,836,837],{},"Noise",": 10+ log lines per operation makes finding issues harder",[568,840,841,844],{},[823,842,843],{},"Incomplete",": Some logs might be missing if errors occur",[539,846,847],{},"Wide events solve this:",[849,850,851,1061,1232],"code-group",{},[614,852,855],{"className":616,"code":853,"filename":854,"language":619,"meta":620,"style":620},"import { useLogger } from 'evlog'\n\nconst log = useLogger(event)\n\nlog.set({ user: { id: 1, plan: 'pro' } })\nlog.set({ cart: { id: 42, items: 3, total: 9999 } })\nlog.set({ payment: { method: 'card', status: 'success' } })\n","server\u002Fapi\u002Fcheckout.post.ts",[622,856,857,881,887,904,908,957,1009],{"__ignoreMap":620},[625,858,859,863,865,868,870,873,875,878],{"class":627,"line":628},[625,860,862],{"class":861},"s7zQu","import",[625,864,679],{"class":635},[625,866,867],{"class":631}," useLogger",[625,869,737],{"class":635},[625,871,872],{"class":861}," from",[625,874,729],{"class":635},[625,876,877],{"class":649},"evlog",[625,879,880],{"class":635},"'\n",[625,882,883],{"class":627,"line":658},[625,884,886],{"emptyLinePlaceholder":885},true,"\n",[625,888,889,893,896,899,901],{"class":627,"line":702},[625,890,892],{"class":891},"spNyl","const",[625,894,895],{"class":631}," log ",[625,897,898],{"class":635},"=",[625,900,867],{"class":639},[625,902,903],{"class":631},"(event)\n",[625,905,906],{"class":627,"line":742},[625,907,886],{"emptyLinePlaceholder":885},[625,909,910,913,915,918,920,923,925,927,929,932,934,937,939,942,944,946,949,951,953,955],{"class":627,"line":762},[625,911,912],{"class":631},"log",[625,914,636],{"class":635},[625,916,917],{"class":639},"set",[625,919,643],{"class":631},[625,921,922],{"class":635},"{",[625,924,689],{"class":682},[625,926,686],{"class":635},[625,928,679],{"class":635},[625,930,931],{"class":682}," id",[625,933,686],{"class":635},[625,935,936],{"class":809}," 1",[625,938,676],{"class":635},[625,940,941],{"class":682}," plan",[625,943,686],{"class":635},[625,945,729],{"class":635},[625,947,948],{"class":649},"pro",[625,950,646],{"class":635},[625,952,737],{"class":635},[625,954,737],{"class":635},[625,956,655],{"class":631},[625,958,959,961,963,965,967,969,972,974,976,978,980,983,985,988,990,993,995,998,1000,1003,1005,1007],{"class":627,"line":782},[625,960,912],{"class":631},[625,962,636],{"class":635},[625,964,917],{"class":639},[625,966,643],{"class":631},[625,968,922],{"class":635},[625,970,971],{"class":682}," cart",[625,973,686],{"class":635},[625,975,679],{"class":635},[625,977,931],{"class":682},[625,979,686],{"class":635},[625,981,982],{"class":809}," 42",[625,984,676],{"class":635},[625,986,987],{"class":682}," items",[625,989,686],{"class":635},[625,991,992],{"class":809}," 3",[625,994,676],{"class":635},[625,996,997],{"class":682}," total",[625,999,686],{"class":635},[625,1001,1002],{"class":809}," 9999",[625,1004,737],{"class":635},[625,1006,737],{"class":635},[625,1008,655],{"class":631},[625,1010,1012,1014,1016,1018,1020,1022,1025,1027,1029,1032,1034,1036,1039,1041,1043,1046,1048,1050,1053,1055,1057,1059],{"class":627,"line":1011},7,[625,1013,912],{"class":631},[625,1015,636],{"class":635},[625,1017,917],{"class":639},[625,1019,643],{"class":631},[625,1021,922],{"class":635},[625,1023,1024],{"class":682}," payment",[625,1026,686],{"class":635},[625,1028,679],{"class":635},[625,1030,1031],{"class":682}," method",[625,1033,686],{"class":635},[625,1035,729],{"class":635},[625,1037,1038],{"class":649},"card",[625,1040,646],{"class":635},[625,1042,676],{"class":635},[625,1044,1045],{"class":682}," status",[625,1047,686],{"class":635},[625,1049,729],{"class":635},[625,1051,1052],{"class":649},"success",[625,1054,646],{"class":635},[625,1056,737],{"class":635},[625,1058,737],{"class":635},[625,1060,655],{"class":631},[614,1062,1065],{"className":616,"code":1063,"filename":1064,"language":619,"meta":620,"style":620},"import { createLogger } from 'evlog'\n\nconst log = createLogger({ jobId: 'sync-001', queue: 'emails' })\n\nlog.set({ source: 'postgres', target: 's3' })\nlog.set({ records: { found: 1250, synced: 1250 } })\nlog.emit()\n","scripts\u002Fsync-data.ts",[622,1066,1067,1086,1090,1134,1138,1178,1220],{"__ignoreMap":620},[625,1068,1069,1071,1073,1076,1078,1080,1082,1084],{"class":627,"line":628},[625,1070,862],{"class":861},[625,1072,679],{"class":635},[625,1074,1075],{"class":631}," createLogger",[625,1077,737],{"class":635},[625,1079,872],{"class":861},[625,1081,729],{"class":635},[625,1083,877],{"class":649},[625,1085,880],{"class":635},[625,1087,1088],{"class":627,"line":658},[625,1089,886],{"emptyLinePlaceholder":885},[625,1091,1092,1094,1096,1098,1100,1102,1104,1107,1109,1111,1114,1116,1118,1121,1123,1125,1128,1130,1132],{"class":627,"line":702},[625,1093,892],{"class":891},[625,1095,895],{"class":631},[625,1097,898],{"class":635},[625,1099,1075],{"class":639},[625,1101,643],{"class":631},[625,1103,922],{"class":635},[625,1105,1106],{"class":682}," jobId",[625,1108,686],{"class":635},[625,1110,729],{"class":635},[625,1112,1113],{"class":649},"sync-001",[625,1115,646],{"class":635},[625,1117,676],{"class":635},[625,1119,1120],{"class":682}," queue",[625,1122,686],{"class":635},[625,1124,729],{"class":635},[625,1126,1127],{"class":649},"emails",[625,1129,646],{"class":635},[625,1131,737],{"class":635},[625,1133,655],{"class":631},[625,1135,1136],{"class":627,"line":742},[625,1137,886],{"emptyLinePlaceholder":885},[625,1139,1140,1142,1144,1146,1148,1150,1152,1154,1156,1158,1160,1162,1165,1167,1169,1172,1174,1176],{"class":627,"line":762},[625,1141,912],{"class":631},[625,1143,636],{"class":635},[625,1145,917],{"class":639},[625,1147,643],{"class":631},[625,1149,922],{"class":635},[625,1151,724],{"class":682},[625,1153,686],{"class":635},[625,1155,729],{"class":635},[625,1157,732],{"class":649},[625,1159,646],{"class":635},[625,1161,676],{"class":635},[625,1163,1164],{"class":682}," target",[625,1166,686],{"class":635},[625,1168,729],{"class":635},[625,1170,1171],{"class":649},"s3",[625,1173,646],{"class":635},[625,1175,737],{"class":635},[625,1177,655],{"class":631},[625,1179,1180,1182,1184,1186,1188,1190,1193,1195,1197,1200,1202,1205,1207,1210,1212,1214,1216,1218],{"class":627,"line":782},[625,1181,912],{"class":631},[625,1183,636],{"class":635},[625,1185,917],{"class":639},[625,1187,643],{"class":631},[625,1189,922],{"class":635},[625,1191,1192],{"class":682}," records",[625,1194,686],{"class":635},[625,1196,679],{"class":635},[625,1198,1199],{"class":682}," found",[625,1201,686],{"class":635},[625,1203,1204],{"class":809}," 1250",[625,1206,676],{"class":635},[625,1208,1209],{"class":682}," synced",[625,1211,686],{"class":635},[625,1213,1204],{"class":809},[625,1215,737],{"class":635},[625,1217,737],{"class":635},[625,1219,655],{"class":631},[625,1221,1222,1224,1226,1229],{"class":627,"line":1011},[625,1223,912],{"class":631},[625,1225,636],{"class":635},[625,1227,1228],{"class":639},"emit",[625,1230,1231],{"class":631},"()\n",[614,1233,1238],{"className":1234,"code":1235,"filename":1236,"language":1237,"meta":620,"style":620},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","[INFO] POST \u002Fapi\u002Fcheckout (234ms)\n  user: { id: 1, plan: 'pro' }\n  cart: { id: 42, items: 3, total: 9999 }\n  payment: { method: 'card', status: 'success' }\n  status: 200\n","Output","bash",[622,1239,1240,1260,1285,1310,1339],{"__ignoreMap":620},[625,1241,1242,1245,1248,1251,1254,1258],{"class":627,"line":628},[625,1243,1244],{"class":635},"[",[625,1246,1247],{"class":631},"INFO",[625,1249,1250],{"class":635},"]",[625,1252,1253],{"class":631}," POST \u002Fapi\u002Fcheckout (",[625,1255,1257],{"class":1256},"sBMFI","234ms",[625,1259,655],{"class":631},[625,1261,1262,1265,1267,1270,1273,1276,1278,1280,1282],{"class":627,"line":658},[625,1263,1264],{"class":1256},"  user:",[625,1266,679],{"class":649},[625,1268,1269],{"class":649}," id:",[625,1271,1272],{"class":649}," 1,",[625,1274,1275],{"class":649}," plan:",[625,1277,729],{"class":635},[625,1279,948],{"class":649},[625,1281,646],{"class":635},[625,1283,1284],{"class":649}," }\n",[625,1286,1287,1290,1292,1294,1297,1300,1303,1306,1308],{"class":627,"line":702},[625,1288,1289],{"class":1256},"  cart:",[625,1291,679],{"class":649},[625,1293,1269],{"class":649},[625,1295,1296],{"class":649}," 42,",[625,1298,1299],{"class":649}," items:",[625,1301,1302],{"class":649}," 3,",[625,1304,1305],{"class":649}," total:",[625,1307,1002],{"class":809},[625,1309,1284],{"class":649},[625,1311,1312,1315,1317,1320,1322,1324,1326,1328,1331,1333,1335,1337],{"class":627,"line":742},[625,1313,1314],{"class":1256},"  payment:",[625,1316,679],{"class":649},[625,1318,1319],{"class":649}," method:",[625,1321,729],{"class":635},[625,1323,1038],{"class":649},[625,1325,646],{"class":635},[625,1327,676],{"class":649},[625,1329,1330],{"class":649}," status:",[625,1332,729],{"class":635},[625,1334,1052],{"class":649},[625,1336,646],{"class":635},[625,1338,1284],{"class":649},[625,1340,1341,1344],{"class":627,"line":762},[625,1342,1343],{"class":1256},"  status:",[625,1345,1346],{"class":809}," 200\n",[539,1348,1349],{},"One log, all context. Everything you need to understand what happened.",[603,1351,1353],{"id":1352},"accumulate-context-emit-once","Accumulate context, emit once",[1355,1356,1358,1361],"h3",{"id":1357},"createlogger-general-purpose",[622,1359,1360],{},"createLogger"," (General Purpose)",[539,1363,1364,1365,1368],{},"Use ",[622,1366,1367],{},"createLogger()"," for scripts, background jobs, queue workers, cron jobs, or any operation where you manage the lifecycle:",[614,1370,1373],{"className":616,"code":1371,"filename":1372,"language":619,"meta":620,"style":620},"import { initLogger, createLogger } from 'evlog'\n\ninitLogger({ env: { service: 'migrate' } })\n\nconst log = createLogger({ task: 'user-migration' })\n\nconst users = await db.query('SELECT * FROM legacy_users')\nlog.set({ found: users.length })\n\nlet migrated = 0\nfor (const user of users) {\n  await newDb.upsert({ id: user.id, email: user.email, plan: user.plan })\n  migrated++\n}\n\nlog.set({ migrated, status: 'complete' })\nlog.emit()\n","scripts\u002Fmigrate-users.ts",[622,1374,1375,1398,1402,1436,1440,1470,1474,1505,1534,1539,1553,1576,1636,1645,1651,1656,1689],{"__ignoreMap":620},[625,1376,1377,1379,1381,1384,1386,1388,1390,1392,1394,1396],{"class":627,"line":628},[625,1378,862],{"class":861},[625,1380,679],{"class":635},[625,1382,1383],{"class":631}," initLogger",[625,1385,676],{"class":635},[625,1387,1075],{"class":631},[625,1389,737],{"class":635},[625,1391,872],{"class":861},[625,1393,729],{"class":635},[625,1395,877],{"class":649},[625,1397,880],{"class":635},[625,1399,1400],{"class":627,"line":658},[625,1401,886],{"emptyLinePlaceholder":885},[625,1403,1404,1407,1409,1411,1414,1416,1418,1421,1423,1425,1428,1430,1432,1434],{"class":627,"line":702},[625,1405,1406],{"class":639},"initLogger",[625,1408,643],{"class":631},[625,1410,922],{"class":635},[625,1412,1413],{"class":682}," env",[625,1415,686],{"class":635},[625,1417,679],{"class":635},[625,1419,1420],{"class":682}," service",[625,1422,686],{"class":635},[625,1424,729],{"class":635},[625,1426,1427],{"class":649},"migrate",[625,1429,646],{"class":635},[625,1431,737],{"class":635},[625,1433,737],{"class":635},[625,1435,655],{"class":631},[625,1437,1438],{"class":627,"line":742},[625,1439,886],{"emptyLinePlaceholder":885},[625,1441,1442,1444,1446,1448,1450,1452,1454,1457,1459,1461,1464,1466,1468],{"class":627,"line":762},[625,1443,892],{"class":891},[625,1445,895],{"class":631},[625,1447,898],{"class":635},[625,1449,1075],{"class":639},[625,1451,643],{"class":631},[625,1453,922],{"class":635},[625,1455,1456],{"class":682}," task",[625,1458,686],{"class":635},[625,1460,729],{"class":635},[625,1462,1463],{"class":649},"user-migration",[625,1465,646],{"class":635},[625,1467,737],{"class":635},[625,1469,655],{"class":631},[625,1471,1472],{"class":627,"line":782},[625,1473,886],{"emptyLinePlaceholder":885},[625,1475,1476,1478,1481,1483,1486,1489,1491,1494,1496,1498,1501,1503],{"class":627,"line":1011},[625,1477,892],{"class":891},[625,1479,1480],{"class":631}," users ",[625,1482,898],{"class":635},[625,1484,1485],{"class":861}," await",[625,1487,1488],{"class":631}," db",[625,1490,636],{"class":635},[625,1492,1493],{"class":639},"query",[625,1495,643],{"class":631},[625,1497,646],{"class":635},[625,1499,1500],{"class":649},"SELECT * FROM legacy_users",[625,1502,646],{"class":635},[625,1504,655],{"class":631},[625,1506,1508,1510,1512,1514,1516,1518,1520,1522,1525,1527,1530,1532],{"class":627,"line":1507},8,[625,1509,912],{"class":631},[625,1511,636],{"class":635},[625,1513,917],{"class":639},[625,1515,643],{"class":631},[625,1517,922],{"class":635},[625,1519,1199],{"class":682},[625,1521,686],{"class":635},[625,1523,1524],{"class":631}," users",[625,1526,636],{"class":635},[625,1528,1529],{"class":631},"length ",[625,1531,697],{"class":635},[625,1533,655],{"class":631},[625,1535,1537],{"class":627,"line":1536},9,[625,1538,886],{"emptyLinePlaceholder":885},[625,1540,1542,1545,1548,1550],{"class":627,"line":1541},10,[625,1543,1544],{"class":891},"let",[625,1546,1547],{"class":631}," migrated ",[625,1549,898],{"class":635},[625,1551,1552],{"class":809}," 0\n",[625,1554,1556,1559,1562,1564,1567,1570,1573],{"class":627,"line":1555},11,[625,1557,1558],{"class":861},"for",[625,1560,1561],{"class":631}," (",[625,1563,892],{"class":891},[625,1565,1566],{"class":631}," user ",[625,1568,1569],{"class":635},"of",[625,1571,1572],{"class":631}," users) ",[625,1574,1575],{"class":635},"{\n",[625,1577,1579,1582,1585,1587,1590,1592,1594,1596,1598,1600,1602,1605,1607,1610,1612,1614,1616,1619,1621,1623,1625,1627,1629,1632,1634],{"class":627,"line":1578},12,[625,1580,1581],{"class":861},"  await",[625,1583,1584],{"class":631}," newDb",[625,1586,636],{"class":635},[625,1588,1589],{"class":639},"upsert",[625,1591,643],{"class":682},[625,1593,922],{"class":635},[625,1595,931],{"class":682},[625,1597,686],{"class":635},[625,1599,689],{"class":631},[625,1601,636],{"class":635},[625,1603,1604],{"class":631},"id",[625,1606,676],{"class":635},[625,1608,1609],{"class":682}," email",[625,1611,686],{"class":635},[625,1613,689],{"class":631},[625,1615,636],{"class":635},[625,1617,1618],{"class":631},"email",[625,1620,676],{"class":635},[625,1622,941],{"class":682},[625,1624,686],{"class":635},[625,1626,689],{"class":631},[625,1628,636],{"class":635},[625,1630,1631],{"class":631},"plan",[625,1633,737],{"class":635},[625,1635,655],{"class":682},[625,1637,1639,1642],{"class":627,"line":1638},13,[625,1640,1641],{"class":631},"  migrated",[625,1643,1644],{"class":635},"++\n",[625,1646,1648],{"class":627,"line":1647},14,[625,1649,1650],{"class":635},"}\n",[625,1652,1654],{"class":627,"line":1653},15,[625,1655,886],{"emptyLinePlaceholder":885},[625,1657,1659,1661,1663,1665,1667,1669,1672,1674,1676,1678,1680,1683,1685,1687],{"class":627,"line":1658},16,[625,1660,912],{"class":631},[625,1662,636],{"class":635},[625,1664,917],{"class":639},[625,1666,643],{"class":631},[625,1668,922],{"class":635},[625,1670,1671],{"class":631}," migrated",[625,1673,676],{"class":635},[625,1675,1045],{"class":682},[625,1677,686],{"class":635},[625,1679,729],{"class":635},[625,1681,1682],{"class":649},"complete",[625,1684,646],{"class":635},[625,1686,737],{"class":635},[625,1688,655],{"class":631},[625,1690,1692,1694,1696,1698],{"class":627,"line":1691},17,[625,1693,912],{"class":631},[625,1695,636],{"class":635},[625,1697,1228],{"class":639},[625,1699,1231],{"class":631},[1355,1701,1703,1706],{"id":1702},"createrequestlogger-http-contexts",[622,1704,1705],{},"createRequestLogger"," (HTTP Contexts)",[539,1708,1364,1709,1712,1713,1715,1716,1719,1720,1723,1724,686],{},[622,1710,1711],{},"createRequestLogger()"," when working with HTTP requests outside of a framework integration. It's a thin wrapper around ",[622,1714,1360],{}," that pre-populates ",[622,1717,1718],{},"method",", ",[622,1721,1722],{},"path",", and ",[622,1725,1726],{},"requestId",[614,1728,1731],{"className":616,"code":1729,"filename":1730,"language":619,"meta":620,"style":620},"import { initLogger, createRequestLogger } from 'evlog'\n\ninitLogger({ env: { service: 'my-worker' } })\n\nconst log = createRequestLogger({ method: 'POST', path: '\u002Fapi\u002Fcheckout' })\n\nlog.set({ user: { id: 1, plan: 'pro' } })\nlog.set({ cart: { items: 3, total: 9999 } })\n\nlog.emit()\n","src\u002Fworker.ts",[622,1732,1733,1756,1760,1791,1795,1838,1842,1884,1922,1926],{"__ignoreMap":620},[625,1734,1735,1737,1739,1741,1743,1746,1748,1750,1752,1754],{"class":627,"line":628},[625,1736,862],{"class":861},[625,1738,679],{"class":635},[625,1740,1383],{"class":631},[625,1742,676],{"class":635},[625,1744,1745],{"class":631}," createRequestLogger",[625,1747,737],{"class":635},[625,1749,872],{"class":861},[625,1751,729],{"class":635},[625,1753,877],{"class":649},[625,1755,880],{"class":635},[625,1757,1758],{"class":627,"line":658},[625,1759,886],{"emptyLinePlaceholder":885},[625,1761,1762,1764,1766,1768,1770,1772,1774,1776,1778,1780,1783,1785,1787,1789],{"class":627,"line":702},[625,1763,1406],{"class":639},[625,1765,643],{"class":631},[625,1767,922],{"class":635},[625,1769,1413],{"class":682},[625,1771,686],{"class":635},[625,1773,679],{"class":635},[625,1775,1420],{"class":682},[625,1777,686],{"class":635},[625,1779,729],{"class":635},[625,1781,1782],{"class":649},"my-worker",[625,1784,646],{"class":635},[625,1786,737],{"class":635},[625,1788,737],{"class":635},[625,1790,655],{"class":631},[625,1792,1793],{"class":627,"line":742},[625,1794,886],{"emptyLinePlaceholder":885},[625,1796,1797,1799,1801,1803,1805,1807,1809,1811,1813,1815,1818,1820,1822,1825,1827,1829,1832,1834,1836],{"class":627,"line":762},[625,1798,892],{"class":891},[625,1800,895],{"class":631},[625,1802,898],{"class":635},[625,1804,1745],{"class":639},[625,1806,643],{"class":631},[625,1808,922],{"class":635},[625,1810,1031],{"class":682},[625,1812,686],{"class":635},[625,1814,729],{"class":635},[625,1816,1817],{"class":649},"POST",[625,1819,646],{"class":635},[625,1821,676],{"class":635},[625,1823,1824],{"class":682}," path",[625,1826,686],{"class":635},[625,1828,729],{"class":635},[625,1830,1831],{"class":649},"\u002Fapi\u002Fcheckout",[625,1833,646],{"class":635},[625,1835,737],{"class":635},[625,1837,655],{"class":631},[625,1839,1840],{"class":627,"line":782},[625,1841,886],{"emptyLinePlaceholder":885},[625,1843,1844,1846,1848,1850,1852,1854,1856,1858,1860,1862,1864,1866,1868,1870,1872,1874,1876,1878,1880,1882],{"class":627,"line":1011},[625,1845,912],{"class":631},[625,1847,636],{"class":635},[625,1849,917],{"class":639},[625,1851,643],{"class":631},[625,1853,922],{"class":635},[625,1855,689],{"class":682},[625,1857,686],{"class":635},[625,1859,679],{"class":635},[625,1861,931],{"class":682},[625,1863,686],{"class":635},[625,1865,936],{"class":809},[625,1867,676],{"class":635},[625,1869,941],{"class":682},[625,1871,686],{"class":635},[625,1873,729],{"class":635},[625,1875,948],{"class":649},[625,1877,646],{"class":635},[625,1879,737],{"class":635},[625,1881,737],{"class":635},[625,1883,655],{"class":631},[625,1885,1886,1888,1890,1892,1894,1896,1898,1900,1902,1904,1906,1908,1910,1912,1914,1916,1918,1920],{"class":627,"line":1507},[625,1887,912],{"class":631},[625,1889,636],{"class":635},[625,1891,917],{"class":639},[625,1893,643],{"class":631},[625,1895,922],{"class":635},[625,1897,971],{"class":682},[625,1899,686],{"class":635},[625,1901,679],{"class":635},[625,1903,987],{"class":682},[625,1905,686],{"class":635},[625,1907,992],{"class":809},[625,1909,676],{"class":635},[625,1911,997],{"class":682},[625,1913,686],{"class":635},[625,1915,1002],{"class":809},[625,1917,737],{"class":635},[625,1919,737],{"class":635},[625,1921,655],{"class":631},[625,1923,1924],{"class":627,"line":1536},[625,1925,886],{"emptyLinePlaceholder":885},[625,1927,1928,1930,1932,1934],{"class":627,"line":1541},[625,1929,912],{"class":631},[625,1931,636],{"class":635},[625,1933,1228],{"class":639},[625,1935,1231],{"class":631},[543,1937,1939,1940,552,1942,1944,1945,1948],{"color":640,"icon":1938},"i-lucide-info","Both ",[622,1941,1360],{},[622,1943,1705],{}," require a manual ",[622,1946,1947],{},"log.emit()"," call. The event won't be emitted until you call it.",[1355,1950,1952,1955],{"id":1951},"uselogger-retrieving-the-request-logger",[622,1953,1954],{},"useLogger"," (Retrieving the Request Logger)",[539,1957,1958,1959,1962],{},"When using a framework integration (Nuxt, Hono, Express, etc.), the middleware creates a wide event logger automatically on each request. ",[622,1960,1961],{},"useLogger(event)"," retrieves that logger from the request context:",[614,1964,1966],{"className":616,"code":1965,"filename":854,"language":619,"meta":620,"style":620},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n\n  log.set({ user: { id: 1, plan: 'pro' } })\n  log.set({ cart: { items: 3, total: 9999 } })\n\n  return { success: true }\n  \u002F\u002F auto-emitted on response end\n})\n",[622,1967,1968,1986,1990,2021,2040,2044,2087,2125,2129,2147,2153],{"__ignoreMap":620},[625,1969,1970,1972,1974,1976,1978,1980,1982,1984],{"class":627,"line":628},[625,1971,862],{"class":861},[625,1973,679],{"class":635},[625,1975,867],{"class":631},[625,1977,737],{"class":635},[625,1979,872],{"class":861},[625,1981,729],{"class":635},[625,1983,877],{"class":649},[625,1985,880],{"class":635},[625,1987,1988],{"class":627,"line":658},[625,1989,886],{"emptyLinePlaceholder":885},[625,1991,1992,1995,1998,2001,2003,2006,2008,2012,2015,2018],{"class":627,"line":702},[625,1993,1994],{"class":861},"export",[625,1996,1997],{"class":861}," default",[625,1999,2000],{"class":639}," defineEventHandler",[625,2002,643],{"class":631},[625,2004,2005],{"class":891},"async",[625,2007,1561],{"class":635},[625,2009,2011],{"class":2010},"sHdIc","event",[625,2013,2014],{"class":635},")",[625,2016,2017],{"class":891}," =>",[625,2019,2020],{"class":635}," {\n",[625,2022,2023,2026,2029,2032,2034,2036,2038],{"class":627,"line":742},[625,2024,2025],{"class":891},"  const",[625,2027,2028],{"class":631}," log",[625,2030,2031],{"class":635}," =",[625,2033,867],{"class":639},[625,2035,643],{"class":682},[625,2037,2011],{"class":631},[625,2039,655],{"class":682},[625,2041,2042],{"class":627,"line":762},[625,2043,886],{"emptyLinePlaceholder":885},[625,2045,2046,2049,2051,2053,2055,2057,2059,2061,2063,2065,2067,2069,2071,2073,2075,2077,2079,2081,2083,2085],{"class":627,"line":782},[625,2047,2048],{"class":631},"  log",[625,2050,636],{"class":635},[625,2052,917],{"class":639},[625,2054,643],{"class":682},[625,2056,922],{"class":635},[625,2058,689],{"class":682},[625,2060,686],{"class":635},[625,2062,679],{"class":635},[625,2064,931],{"class":682},[625,2066,686],{"class":635},[625,2068,936],{"class":809},[625,2070,676],{"class":635},[625,2072,941],{"class":682},[625,2074,686],{"class":635},[625,2076,729],{"class":635},[625,2078,948],{"class":649},[625,2080,646],{"class":635},[625,2082,737],{"class":635},[625,2084,737],{"class":635},[625,2086,655],{"class":682},[625,2088,2089,2091,2093,2095,2097,2099,2101,2103,2105,2107,2109,2111,2113,2115,2117,2119,2121,2123],{"class":627,"line":1011},[625,2090,2048],{"class":631},[625,2092,636],{"class":635},[625,2094,917],{"class":639},[625,2096,643],{"class":682},[625,2098,922],{"class":635},[625,2100,971],{"class":682},[625,2102,686],{"class":635},[625,2104,679],{"class":635},[625,2106,987],{"class":682},[625,2108,686],{"class":635},[625,2110,992],{"class":809},[625,2112,676],{"class":635},[625,2114,997],{"class":682},[625,2116,686],{"class":635},[625,2118,1002],{"class":809},[625,2120,737],{"class":635},[625,2122,737],{"class":635},[625,2124,655],{"class":682},[625,2126,2127],{"class":627,"line":1507},[625,2128,886],{"emptyLinePlaceholder":885},[625,2130,2131,2134,2136,2139,2141,2145],{"class":627,"line":1536},[625,2132,2133],{"class":861},"  return",[625,2135,679],{"class":635},[625,2137,2138],{"class":682}," success",[625,2140,686],{"class":635},[625,2142,2144],{"class":2143},"sfNiH"," true",[625,2146,1284],{"class":635},[625,2148,2149],{"class":627,"line":1541},[625,2150,2152],{"class":2151},"sHwdD","  \u002F\u002F auto-emitted on response end\n",[625,2154,2155,2157],{"class":627,"line":1555},[625,2156,697],{"class":635},[625,2158,655],{"class":631},[543,2160,2161,2163,2164,2166],{"color":640,"icon":1938},[622,2162,1954],{}," doesn't create a logger, it retrieves the one the framework middleware already attached to the event. The middleware handles creation and emission automatically. In Nuxt, ",[622,2165,1954],{}," is auto-imported.",[603,2168,2170],{"id":2169},"after-emit-sealing-and-background-work","After emit: sealing and background work",[539,2172,2173,2174,2177,2178,2180,2181,2184,2185,1719,2187,1719,2190,1723,2192,2195,2196,2199,2200,2206,2207,2210,2211,2214,2215,2218],{},"When the wide event is ",[823,2175,2176],{},"emitted"," (automatically at the end of the request, or when you call ",[622,2179,1947],{}," yourself), that logger instance is ",[823,2182,2183],{},"sealed",". Further ",[622,2186,917],{},[622,2188,2189],{},"error",[622,2191,640],{},[622,2193,2194],{},"warn"," calls do ",[823,2197,2198],{},"not"," update the event that was already sent to your drains. They are ignored and evlog prints a ",[823,2201,2202,2205],{},[622,2203,2204],{},"[evlog]"," warning"," to the console with the keys that were dropped. This also applies when ",[823,2208,2209],{},"head sampling"," discards the event (",[622,2212,2213],{},"emit()"," returned ",[622,2216,2217],{},"null","): the logger is still sealed for that unit of work.",[539,2220,2221,2222,2225,2226,2229,2230,2233,2234,2237],{},"This matters for ",[823,2223,2224],{},"async work that outlives the handler"," (fire-and-forget promises, ",[622,2227,2228],{},"setTimeout",", tasks started but not awaited). On many runtimes, ",[622,2231,2232],{},"AsyncLocalStorage"," keeps returning the same request logger, so ",[622,2235,2236],{},"useLogger()"," still succeeds even though the HTTP response, and the wide event, are already finished. Without warnings, that looks like silent data loss.",[1355,2239,2241],{"id":2240},"logforklabel-fn",[622,2242,2243],{},"log.fork(label, fn)",[539,2245,2246,2247,2250,2251,2255,2256,2259,2260,1719,2263,2265,2266,2268],{},"For intentional background work that should produce ",[823,2248,2249],{},"its own"," wide event, use ",[823,2252,2253],{},[622,2254,2243],{}," when your integration provides it (Express, Fastify, NestJS, SvelteKit, React Router, Next.js ",[622,2257,2258],{},"withEvlog",", Elysia). Inside ",[622,2261,2262],{},"fn",[622,2264,2236],{}," resolves to the forked logger. When ",[622,2267,2262],{}," completes (or throws), that logger emits an event with:",[565,2270,2271,2283],{},[568,2272,2273,2278,2279,2282],{},[823,2274,2275],{},[622,2276,2277],{},"operation",": the ",[622,2280,2281],{},"label"," you passed",[568,2284,2285,2290,2291,2293],{},[823,2286,2287],{},[622,2288,2289],{},"_parentRequestId",": the parent request’s ",[622,2292,1726],{}," (for correlation in queries and dashboards)",[539,2295,2296,2297,2300],{},"The parent wide event may be emitted ",[823,2298,2299],{},"before"," the child event; they are two separate events ordered by time.",[539,2302,2303,2306,2307,2309,2310,2313,2314,2316],{},[823,2304,2305],{},"Not available yet:"," Hono (no ",[622,2308,1954],{}," without ",[622,2311,2312],{},"c.get('log')"," + ALS) and Nitro\u002FNuxt ",[622,2315,1961],{},", so use the post-emit warnings to catch mistakes; a different API may arrive later for event-scoped forks.",[539,2318,2319,2320,2323],{},"For AI SDK streaming responses, supported framework integrations (Next.js, Nitro\u002FNuxt, SvelteKit, Hono, React Router, oRPC) defer wide-event emit until the response body finishes, so ",[622,2321,2322],{},"createAILogger(log)"," metadata lands on the same request event automatically.",[614,2325,2328],{"className":616,"code":2326,"filename":2327,"language":619,"meta":620,"style":620},"import { evlog, useLogger } from 'evlog\u002Fexpress'\n\n\u002F\u002F Inside a route after evlog middleware:\nconst log = req.log\nlog.set({ order_dispatched: true })\n\nlog.fork?.('process_order', async () => {\n  const child = useLogger()\n  child.set({ inventory_checked: true })\n})\n","server\u002Froutes\u002Fcheckout.post.ts",[622,2329,2330,2354,2358,2363,2379,2402,2406,2439,2452,2476],{"__ignoreMap":620},[625,2331,2332,2334,2336,2339,2341,2343,2345,2347,2349,2352],{"class":627,"line":628},[625,2333,862],{"class":861},[625,2335,679],{"class":635},[625,2337,2338],{"class":631}," evlog",[625,2340,676],{"class":635},[625,2342,867],{"class":631},[625,2344,737],{"class":635},[625,2346,872],{"class":861},[625,2348,729],{"class":635},[625,2350,2351],{"class":649},"evlog\u002Fexpress",[625,2353,880],{"class":635},[625,2355,2356],{"class":627,"line":658},[625,2357,886],{"emptyLinePlaceholder":885},[625,2359,2360],{"class":627,"line":702},[625,2361,2362],{"class":2151},"\u002F\u002F Inside a route after evlog middleware:\n",[625,2364,2365,2367,2369,2371,2374,2376],{"class":627,"line":742},[625,2366,892],{"class":891},[625,2368,895],{"class":631},[625,2370,898],{"class":635},[625,2372,2373],{"class":631}," req",[625,2375,636],{"class":635},[625,2377,2378],{"class":631},"log\n",[625,2380,2381,2383,2385,2387,2389,2391,2394,2396,2398,2400],{"class":627,"line":762},[625,2382,912],{"class":631},[625,2384,636],{"class":635},[625,2386,917],{"class":639},[625,2388,643],{"class":631},[625,2390,922],{"class":635},[625,2392,2393],{"class":682}," order_dispatched",[625,2395,686],{"class":635},[625,2397,2144],{"class":2143},[625,2399,737],{"class":635},[625,2401,655],{"class":631},[625,2403,2404],{"class":627,"line":782},[625,2405,886],{"emptyLinePlaceholder":885},[625,2407,2408,2410,2412,2415,2418,2420,2422,2425,2427,2429,2432,2435,2437],{"class":627,"line":1011},[625,2409,912],{"class":631},[625,2411,636],{"class":635},[625,2413,2414],{"class":639},"fork",[625,2416,2417],{"class":635},"?.",[625,2419,643],{"class":631},[625,2421,646],{"class":635},[625,2423,2424],{"class":649},"process_order",[625,2426,646],{"class":635},[625,2428,676],{"class":635},[625,2430,2431],{"class":891}," async",[625,2433,2434],{"class":635}," ()",[625,2436,2017],{"class":891},[625,2438,2020],{"class":635},[625,2440,2441,2443,2446,2448,2450],{"class":627,"line":1507},[625,2442,2025],{"class":891},[625,2444,2445],{"class":631}," child",[625,2447,2031],{"class":635},[625,2449,867],{"class":639},[625,2451,1231],{"class":682},[625,2453,2454,2457,2459,2461,2463,2465,2468,2470,2472,2474],{"class":627,"line":1536},[625,2455,2456],{"class":631},"  child",[625,2458,636],{"class":635},[625,2460,917],{"class":639},[625,2462,643],{"class":682},[625,2464,922],{"class":635},[625,2466,2467],{"class":682}," inventory_checked",[625,2469,686],{"class":635},[625,2471,2144],{"class":2143},[625,2473,737],{"class":635},[625,2475,655],{"class":682},[625,2477,2478,2480],{"class":627,"line":1541},[625,2479,697],{"class":635},[625,2481,655],{"class":631},[603,2483,2485],{"id":2484},"read-a-wide-event-field-by-field","Read a wide event field by field",[539,2487,2488,2489,2491,2492,1719,2494,2496,2497,636],{},"A well-designed wide event contains context from multiple layers. The examples below show what to add inside your handler or script. They assume ",[622,2490,912],{}," is already created via ",[622,2493,1360],{},[622,2495,1705],{},", or ",[622,2498,1954],{},[1355,2500,2502],{"id":2501},"operation-context","Operation Context",[539,2504,2505],{},"Basic information about the operation:",[849,2507,2508,2612],{},[614,2509,2511],{"className":616,"code":2510,"filename":854,"language":619,"meta":620,"style":620},"import { useLogger } from 'evlog'\n\nconst log = useLogger(event)\nlog.set({\n  method: 'POST',\n  path: '\u002Fapi\u002Fcheckout',\n  requestId: 'abc-123-def',\n})\n",[622,2512,2513,2531,2535,2547,2559,2575,2590,2606],{"__ignoreMap":620},[625,2514,2515,2517,2519,2521,2523,2525,2527,2529],{"class":627,"line":628},[625,2516,862],{"class":861},[625,2518,679],{"class":635},[625,2520,867],{"class":631},[625,2522,737],{"class":635},[625,2524,872],{"class":861},[625,2526,729],{"class":635},[625,2528,877],{"class":649},[625,2530,880],{"class":635},[625,2532,2533],{"class":627,"line":658},[625,2534,886],{"emptyLinePlaceholder":885},[625,2536,2537,2539,2541,2543,2545],{"class":627,"line":702},[625,2538,892],{"class":891},[625,2540,895],{"class":631},[625,2542,898],{"class":635},[625,2544,867],{"class":639},[625,2546,903],{"class":631},[625,2548,2549,2551,2553,2555,2557],{"class":627,"line":742},[625,2550,912],{"class":631},[625,2552,636],{"class":635},[625,2554,917],{"class":639},[625,2556,643],{"class":631},[625,2558,1575],{"class":635},[625,2560,2561,2564,2566,2568,2570,2572],{"class":627,"line":762},[625,2562,2563],{"class":682},"  method",[625,2565,686],{"class":635},[625,2567,729],{"class":635},[625,2569,1817],{"class":649},[625,2571,646],{"class":635},[625,2573,2574],{"class":635},",\n",[625,2576,2577,2580,2582,2584,2586,2588],{"class":627,"line":782},[625,2578,2579],{"class":682},"  path",[625,2581,686],{"class":635},[625,2583,729],{"class":635},[625,2585,1831],{"class":649},[625,2587,646],{"class":635},[625,2589,2574],{"class":635},[625,2591,2592,2595,2597,2599,2602,2604],{"class":627,"line":1011},[625,2593,2594],{"class":682},"  requestId",[625,2596,686],{"class":635},[625,2598,729],{"class":635},[625,2600,2601],{"class":649},"abc-123-def",[625,2603,646],{"class":635},[625,2605,2574],{"class":635},[625,2607,2608,2610],{"class":627,"line":1507},[625,2609,697],{"class":635},[625,2611,655],{"class":631},[614,2613,2615],{"className":616,"code":2614,"filename":1064,"language":619,"meta":620,"style":620},"import { createLogger } from 'evlog'\n\nconst log = createLogger({\n  jobId: 'sync-001',\n  queue: 'emails',\n  source: 'postgres',\n})\n",[622,2616,2617,2635,2639,2653,2668,2683,2698],{"__ignoreMap":620},[625,2618,2619,2621,2623,2625,2627,2629,2631,2633],{"class":627,"line":628},[625,2620,862],{"class":861},[625,2622,679],{"class":635},[625,2624,1075],{"class":631},[625,2626,737],{"class":635},[625,2628,872],{"class":861},[625,2630,729],{"class":635},[625,2632,877],{"class":649},[625,2634,880],{"class":635},[625,2636,2637],{"class":627,"line":658},[625,2638,886],{"emptyLinePlaceholder":885},[625,2640,2641,2643,2645,2647,2649,2651],{"class":627,"line":702},[625,2642,892],{"class":891},[625,2644,895],{"class":631},[625,2646,898],{"class":635},[625,2648,1075],{"class":639},[625,2650,643],{"class":631},[625,2652,1575],{"class":635},[625,2654,2655,2658,2660,2662,2664,2666],{"class":627,"line":742},[625,2656,2657],{"class":682},"  jobId",[625,2659,686],{"class":635},[625,2661,729],{"class":635},[625,2663,1113],{"class":649},[625,2665,646],{"class":635},[625,2667,2574],{"class":635},[625,2669,2670,2673,2675,2677,2679,2681],{"class":627,"line":762},[625,2671,2672],{"class":682},"  queue",[625,2674,686],{"class":635},[625,2676,729],{"class":635},[625,2678,1127],{"class":649},[625,2680,646],{"class":635},[625,2682,2574],{"class":635},[625,2684,2685,2688,2690,2692,2694,2696],{"class":627,"line":782},[625,2686,2687],{"class":682},"  source",[625,2689,686],{"class":635},[625,2691,729],{"class":635},[625,2693,732],{"class":649},[625,2695,646],{"class":635},[625,2697,2574],{"class":635},[625,2699,2700,2702],{"class":627,"line":1011},[625,2701,697],{"class":635},[625,2703,655],{"class":631},[543,2705,2706,2707,1719,2709,1719,2711,2713],{"color":640,"icon":1938},"In framework integrations, request context (",[622,2708,1718],{},[622,2710,1722],{},[622,2712,1726],{},") is auto-populated by the middleware. You don't need to set these fields manually.",[1355,2715,2717],{"id":2716},"user-actor-context","User \u002F Actor Context",[539,2719,2720],{},"Who triggered the operation:",[614,2722,2724],{"className":616,"code":2723,"filename":854,"language":619,"meta":620,"style":620},"log.set({\n  userId: user.id,\n  email: user.email,\n  subscription: user.plan,\n  accountAge: daysSince(user.createdAt),\n})\n",[622,2725,2726,2738,2753,2768,2783,2803],{"__ignoreMap":620},[625,2727,2728,2730,2732,2734,2736],{"class":627,"line":628},[625,2729,912],{"class":631},[625,2731,636],{"class":635},[625,2733,917],{"class":639},[625,2735,643],{"class":631},[625,2737,1575],{"class":635},[625,2739,2740,2743,2745,2747,2749,2751],{"class":627,"line":658},[625,2741,2742],{"class":682},"  userId",[625,2744,686],{"class":635},[625,2746,689],{"class":631},[625,2748,636],{"class":635},[625,2750,1604],{"class":631},[625,2752,2574],{"class":635},[625,2754,2755,2758,2760,2762,2764,2766],{"class":627,"line":702},[625,2756,2757],{"class":682},"  email",[625,2759,686],{"class":635},[625,2761,689],{"class":631},[625,2763,636],{"class":635},[625,2765,1618],{"class":631},[625,2767,2574],{"class":635},[625,2769,2770,2773,2775,2777,2779,2781],{"class":627,"line":742},[625,2771,2772],{"class":682},"  subscription",[625,2774,686],{"class":635},[625,2776,689],{"class":631},[625,2778,636],{"class":635},[625,2780,1631],{"class":631},[625,2782,2574],{"class":635},[625,2784,2785,2788,2790,2793,2796,2798,2801],{"class":627,"line":762},[625,2786,2787],{"class":682},"  accountAge",[625,2789,686],{"class":635},[625,2791,2792],{"class":639}," daysSince",[625,2794,2795],{"class":631},"(user",[625,2797,636],{"class":635},[625,2799,2800],{"class":631},"createdAt)",[625,2802,2574],{"class":635},[625,2804,2805,2807],{"class":627,"line":782},[625,2806,697],{"class":635},[625,2808,655],{"class":631},[1355,2810,2812],{"id":2811},"business-context","Business Context",[539,2814,2815],{},"Domain-specific data relevant to the operation:",[614,2817,2819],{"className":616,"code":2818,"filename":854,"language":619,"meta":620,"style":620},"log.set({\n  cart: {\n    id: cart.id,\n    items: cart.items.length,\n    total: cart.total,\n    currency: 'USD',\n  },\n  shipping: {\n    method: 'express',\n    country: address.country,\n  },\n  coupon: appliedCoupon?.code,\n})\n",[622,2820,2821,2833,2842,2857,2878,2894,2910,2915,2924,2940,2957,2961,2977],{"__ignoreMap":620},[625,2822,2823,2825,2827,2829,2831],{"class":627,"line":628},[625,2824,912],{"class":631},[625,2826,636],{"class":635},[625,2828,917],{"class":639},[625,2830,643],{"class":631},[625,2832,1575],{"class":635},[625,2834,2835,2838,2840],{"class":627,"line":658},[625,2836,2837],{"class":682},"  cart",[625,2839,686],{"class":635},[625,2841,2020],{"class":635},[625,2843,2844,2847,2849,2851,2853,2855],{"class":627,"line":702},[625,2845,2846],{"class":682},"    id",[625,2848,686],{"class":635},[625,2850,971],{"class":631},[625,2852,636],{"class":635},[625,2854,1604],{"class":631},[625,2856,2574],{"class":635},[625,2858,2859,2862,2864,2866,2868,2871,2873,2876],{"class":627,"line":742},[625,2860,2861],{"class":682},"    items",[625,2863,686],{"class":635},[625,2865,971],{"class":631},[625,2867,636],{"class":635},[625,2869,2870],{"class":631},"items",[625,2872,636],{"class":635},[625,2874,2875],{"class":631},"length",[625,2877,2574],{"class":635},[625,2879,2880,2883,2885,2887,2889,2892],{"class":627,"line":762},[625,2881,2882],{"class":682},"    total",[625,2884,686],{"class":635},[625,2886,971],{"class":631},[625,2888,636],{"class":635},[625,2890,2891],{"class":631},"total",[625,2893,2574],{"class":635},[625,2895,2896,2899,2901,2903,2906,2908],{"class":627,"line":782},[625,2897,2898],{"class":682},"    currency",[625,2900,686],{"class":635},[625,2902,729],{"class":635},[625,2904,2905],{"class":649},"USD",[625,2907,646],{"class":635},[625,2909,2574],{"class":635},[625,2911,2912],{"class":627,"line":1011},[625,2913,2914],{"class":635},"  },\n",[625,2916,2917,2920,2922],{"class":627,"line":1507},[625,2918,2919],{"class":682},"  shipping",[625,2921,686],{"class":635},[625,2923,2020],{"class":635},[625,2925,2926,2929,2931,2933,2936,2938],{"class":627,"line":1536},[625,2927,2928],{"class":682},"    method",[625,2930,686],{"class":635},[625,2932,729],{"class":635},[625,2934,2935],{"class":649},"express",[625,2937,646],{"class":635},[625,2939,2574],{"class":635},[625,2941,2942,2945,2947,2950,2952,2955],{"class":627,"line":1541},[625,2943,2944],{"class":682},"    country",[625,2946,686],{"class":635},[625,2948,2949],{"class":631}," address",[625,2951,636],{"class":635},[625,2953,2954],{"class":631},"country",[625,2956,2574],{"class":635},[625,2958,2959],{"class":627,"line":1555},[625,2960,2914],{"class":635},[625,2962,2963,2966,2968,2971,2973,2975],{"class":627,"line":1578},[625,2964,2965],{"class":682},"  coupon",[625,2967,686],{"class":635},[625,2969,2970],{"class":631}," appliedCoupon",[625,2972,2417],{"class":635},[625,2974,622],{"class":631},[625,2976,2574],{"class":635},[625,2978,2979,2981],{"class":627,"line":1638},[625,2980,697],{"class":635},[625,2982,655],{"class":631},[1355,2984,2986],{"id":2985},"outcome","Outcome",[539,2988,2989],{},"The result of the operation:",[849,2991,2992,3065],{},[614,2993,2996],{"className":616,"code":2994,"filename":2995,"language":619,"meta":620,"style":620},"log.set({\n  status: 200,\n  duration: Date.now() - startTime,\n  success: true,\n})\n","Success",[622,2997,2998,3010,3022,3048,3059],{"__ignoreMap":620},[625,2999,3000,3002,3004,3006,3008],{"class":627,"line":628},[625,3001,912],{"class":631},[625,3003,636],{"class":635},[625,3005,917],{"class":639},[625,3007,643],{"class":631},[625,3009,1575],{"class":635},[625,3011,3012,3015,3017,3020],{"class":627,"line":658},[625,3013,3014],{"class":682},"  status",[625,3016,686],{"class":635},[625,3018,3019],{"class":809}," 200",[625,3021,2574],{"class":635},[625,3023,3024,3027,3029,3032,3034,3037,3040,3043,3046],{"class":627,"line":702},[625,3025,3026],{"class":682},"  duration",[625,3028,686],{"class":635},[625,3030,3031],{"class":631}," Date",[625,3033,636],{"class":635},[625,3035,3036],{"class":639},"now",[625,3038,3039],{"class":631},"() ",[625,3041,3042],{"class":635},"-",[625,3044,3045],{"class":631}," startTime",[625,3047,2574],{"class":635},[625,3049,3050,3053,3055,3057],{"class":627,"line":742},[625,3051,3052],{"class":682},"  success",[625,3054,686],{"class":635},[625,3056,2144],{"class":2143},[625,3058,2574],{"class":635},[625,3060,3061,3063],{"class":627,"line":762},[625,3062,697],{"class":635},[625,3064,655],{"class":631},[614,3066,3069],{"className":616,"code":3067,"filename":3068,"language":619,"meta":620,"style":620},"log.set({\n  status: 500,\n  error: {\n    message: err.message,\n    code: err.code,\n    type: err.constructor.name,\n  },\n})\n","Error",[622,3070,3071,3083,3094,3103,3120,3135,3156,3160],{"__ignoreMap":620},[625,3072,3073,3075,3077,3079,3081],{"class":627,"line":628},[625,3074,912],{"class":631},[625,3076,636],{"class":635},[625,3078,917],{"class":639},[625,3080,643],{"class":631},[625,3082,1575],{"class":635},[625,3084,3085,3087,3089,3092],{"class":627,"line":658},[625,3086,3014],{"class":682},[625,3088,686],{"class":635},[625,3090,3091],{"class":809}," 500",[625,3093,2574],{"class":635},[625,3095,3096,3099,3101],{"class":627,"line":702},[625,3097,3098],{"class":682},"  error",[625,3100,686],{"class":635},[625,3102,2020],{"class":635},[625,3104,3105,3108,3110,3113,3115,3118],{"class":627,"line":742},[625,3106,3107],{"class":682},"    message",[625,3109,686],{"class":635},[625,3111,3112],{"class":631}," err",[625,3114,636],{"class":635},[625,3116,3117],{"class":631},"message",[625,3119,2574],{"class":635},[625,3121,3122,3125,3127,3129,3131,3133],{"class":627,"line":762},[625,3123,3124],{"class":682},"    code",[625,3126,686],{"class":635},[625,3128,3112],{"class":631},[625,3130,636],{"class":635},[625,3132,622],{"class":631},[625,3134,2574],{"class":635},[625,3136,3137,3140,3142,3144,3146,3149,3151,3154],{"class":627,"line":782},[625,3138,3139],{"class":682},"    type",[625,3141,686],{"class":635},[625,3143,3112],{"class":631},[625,3145,636],{"class":635},[625,3147,3148],{"class":631},"constructor",[625,3150,636],{"class":635},[625,3152,3153],{"class":631},"name",[625,3155,2574],{"class":635},[625,3157,3158],{"class":627,"line":1011},[625,3159,2914],{"class":635},[625,3161,3162,3164],{"class":627,"line":1507},[625,3163,697],{"class":635},[625,3165,655],{"class":631},[603,3167,517],{"id":3168},"best-practices",[1355,3170,3172],{"id":3171},"use-meaningful-keys","Use Meaningful Keys",[614,3174,3177],{"className":616,"code":3175,"filename":3176,"language":619,"meta":620,"style":620},"\u002F\u002F Avoid generic keys\nlog.set({ data: { id: 123 } })\n\n\u002F\u002F Use specific, descriptive keys\nlog.set({ order: { id: 123, status: 'pending' } })\n","server\u002Fapi\u002Forders.post.ts",[622,3178,3179,3184,3216,3220,3225],{"__ignoreMap":620},[625,3180,3181],{"class":627,"line":628},[625,3182,3183],{"class":2151},"\u002F\u002F Avoid generic keys\n",[625,3185,3186,3188,3190,3192,3194,3196,3199,3201,3203,3205,3207,3210,3212,3214],{"class":627,"line":658},[625,3187,912],{"class":631},[625,3189,636],{"class":635},[625,3191,917],{"class":639},[625,3193,643],{"class":631},[625,3195,922],{"class":635},[625,3197,3198],{"class":682}," data",[625,3200,686],{"class":635},[625,3202,679],{"class":635},[625,3204,931],{"class":682},[625,3206,686],{"class":635},[625,3208,3209],{"class":809}," 123",[625,3211,737],{"class":635},[625,3213,737],{"class":635},[625,3215,655],{"class":631},[625,3217,3218],{"class":627,"line":702},[625,3219,886],{"emptyLinePlaceholder":885},[625,3221,3222],{"class":627,"line":742},[625,3223,3224],{"class":2151},"\u002F\u002F Use specific, descriptive keys\n",[625,3226,3227,3229,3231,3233,3235,3237,3240,3242,3244,3246,3248,3250,3252,3254,3256,3258,3261,3263,3265,3267],{"class":627,"line":762},[625,3228,912],{"class":631},[625,3230,636],{"class":635},[625,3232,917],{"class":639},[625,3234,643],{"class":631},[625,3236,922],{"class":635},[625,3238,3239],{"class":682}," order",[625,3241,686],{"class":635},[625,3243,679],{"class":635},[625,3245,931],{"class":682},[625,3247,686],{"class":635},[625,3249,3209],{"class":809},[625,3251,676],{"class":635},[625,3253,1045],{"class":682},[625,3255,686],{"class":635},[625,3257,729],{"class":635},[625,3259,3260],{"class":649},"pending",[625,3262,646],{"class":635},[625,3264,737],{"class":635},[625,3266,737],{"class":635},[625,3268,655],{"class":631},[1355,3270,3272],{"id":3271},"group-related-data","Group Related Data",[614,3274,3276],{"className":616,"code":3275,"filename":854,"language":619,"meta":620,"style":620},"\u002F\u002F Flat structure is hard to read\nlog.set({\n  userId: 1,\n  userEmail: 'a@b.com',\n  cartId: 2,\n  cartTotal: 100,\n})\n\n\u002F\u002F Grouped structure is clearer\nlog.set({\n  user: { id: 1, email: 'a@b.com' },\n  cart: { id: 2, total: 100 },\n})\n",[622,3277,3278,3283,3295,3305,3321,3333,3345,3351,3355,3360,3372,3402,3426],{"__ignoreMap":620},[625,3279,3280],{"class":627,"line":628},[625,3281,3282],{"class":2151},"\u002F\u002F Flat structure is hard to read\n",[625,3284,3285,3287,3289,3291,3293],{"class":627,"line":658},[625,3286,912],{"class":631},[625,3288,636],{"class":635},[625,3290,917],{"class":639},[625,3292,643],{"class":631},[625,3294,1575],{"class":635},[625,3296,3297,3299,3301,3303],{"class":627,"line":702},[625,3298,2742],{"class":682},[625,3300,686],{"class":635},[625,3302,936],{"class":809},[625,3304,2574],{"class":635},[625,3306,3307,3310,3312,3314,3317,3319],{"class":627,"line":742},[625,3308,3309],{"class":682},"  userEmail",[625,3311,686],{"class":635},[625,3313,729],{"class":635},[625,3315,3316],{"class":649},"a@b.com",[625,3318,646],{"class":635},[625,3320,2574],{"class":635},[625,3322,3323,3326,3328,3331],{"class":627,"line":762},[625,3324,3325],{"class":682},"  cartId",[625,3327,686],{"class":635},[625,3329,3330],{"class":809}," 2",[625,3332,2574],{"class":635},[625,3334,3335,3338,3340,3343],{"class":627,"line":782},[625,3336,3337],{"class":682},"  cartTotal",[625,3339,686],{"class":635},[625,3341,3342],{"class":809}," 100",[625,3344,2574],{"class":635},[625,3346,3347,3349],{"class":627,"line":1011},[625,3348,697],{"class":635},[625,3350,655],{"class":631},[625,3352,3353],{"class":627,"line":1507},[625,3354,886],{"emptyLinePlaceholder":885},[625,3356,3357],{"class":627,"line":1536},[625,3358,3359],{"class":2151},"\u002F\u002F Grouped structure is clearer\n",[625,3361,3362,3364,3366,3368,3370],{"class":627,"line":1541},[625,3363,912],{"class":631},[625,3365,636],{"class":635},[625,3367,917],{"class":639},[625,3369,643],{"class":631},[625,3371,1575],{"class":635},[625,3373,3374,3377,3379,3381,3383,3385,3387,3389,3391,3393,3395,3397,3399],{"class":627,"line":1555},[625,3375,3376],{"class":682},"  user",[625,3378,686],{"class":635},[625,3380,679],{"class":635},[625,3382,931],{"class":682},[625,3384,686],{"class":635},[625,3386,936],{"class":809},[625,3388,676],{"class":635},[625,3390,1609],{"class":682},[625,3392,686],{"class":635},[625,3394,729],{"class":635},[625,3396,3316],{"class":649},[625,3398,646],{"class":635},[625,3400,3401],{"class":635}," },\n",[625,3403,3404,3406,3408,3410,3412,3414,3416,3418,3420,3422,3424],{"class":627,"line":1578},[625,3405,2837],{"class":682},[625,3407,686],{"class":635},[625,3409,679],{"class":635},[625,3411,931],{"class":682},[625,3413,686],{"class":635},[625,3415,3330],{"class":809},[625,3417,676],{"class":635},[625,3419,997],{"class":682},[625,3421,686],{"class":635},[625,3423,3342],{"class":809},[625,3425,3401],{"class":635},[625,3427,3428,3430],{"class":627,"line":1638},[625,3429,697],{"class":635},[625,3431,655],{"class":631},[1355,3433,3435],{"id":3434},"add-context-incrementally","Add Context Incrementally",[539,3437,3438,3439,3442],{},"Call ",[622,3440,3441],{},"log.set()"," as you gather information:",[849,3444,3445,3752],{},[614,3446,3448],{"className":616,"code":3447,"filename":854,"language":619,"meta":620,"style":620},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n\n  const user = await getUser(event)\n  log.set({ user: { id: user.id, plan: user.plan } })\n\n  const cart = await getCart(user.id)\n  log.set({ cart: { items: cart.items.length, total: cart.total } })\n\n  const payment = await processPayment(cart)\n  log.set({ payment: { method: payment.method, status: payment.status } })\n\n  return { success: true }\n})\n",[622,3449,3450,3468,3472,3494,3510,3514,3533,3579,3583,3607,3657,3661,3681,3728,3732,3746],{"__ignoreMap":620},[625,3451,3452,3454,3456,3458,3460,3462,3464,3466],{"class":627,"line":628},[625,3453,862],{"class":861},[625,3455,679],{"class":635},[625,3457,867],{"class":631},[625,3459,737],{"class":635},[625,3461,872],{"class":861},[625,3463,729],{"class":635},[625,3465,877],{"class":649},[625,3467,880],{"class":635},[625,3469,3470],{"class":627,"line":658},[625,3471,886],{"emptyLinePlaceholder":885},[625,3473,3474,3476,3478,3480,3482,3484,3486,3488,3490,3492],{"class":627,"line":702},[625,3475,1994],{"class":861},[625,3477,1997],{"class":861},[625,3479,2000],{"class":639},[625,3481,643],{"class":631},[625,3483,2005],{"class":891},[625,3485,1561],{"class":635},[625,3487,2011],{"class":2010},[625,3489,2014],{"class":635},[625,3491,2017],{"class":891},[625,3493,2020],{"class":635},[625,3495,3496,3498,3500,3502,3504,3506,3508],{"class":627,"line":742},[625,3497,2025],{"class":891},[625,3499,2028],{"class":631},[625,3501,2031],{"class":635},[625,3503,867],{"class":639},[625,3505,643],{"class":682},[625,3507,2011],{"class":631},[625,3509,655],{"class":682},[625,3511,3512],{"class":627,"line":762},[625,3513,886],{"emptyLinePlaceholder":885},[625,3515,3516,3518,3520,3522,3524,3527,3529,3531],{"class":627,"line":782},[625,3517,2025],{"class":891},[625,3519,689],{"class":631},[625,3521,2031],{"class":635},[625,3523,1485],{"class":861},[625,3525,3526],{"class":639}," getUser",[625,3528,643],{"class":682},[625,3530,2011],{"class":631},[625,3532,655],{"class":682},[625,3534,3535,3537,3539,3541,3543,3545,3547,3549,3551,3553,3555,3557,3559,3561,3563,3565,3567,3569,3571,3573,3575,3577],{"class":627,"line":1011},[625,3536,2048],{"class":631},[625,3538,636],{"class":635},[625,3540,917],{"class":639},[625,3542,643],{"class":682},[625,3544,922],{"class":635},[625,3546,689],{"class":682},[625,3548,686],{"class":635},[625,3550,679],{"class":635},[625,3552,931],{"class":682},[625,3554,686],{"class":635},[625,3556,689],{"class":631},[625,3558,636],{"class":635},[625,3560,1604],{"class":631},[625,3562,676],{"class":635},[625,3564,941],{"class":682},[625,3566,686],{"class":635},[625,3568,689],{"class":631},[625,3570,636],{"class":635},[625,3572,1631],{"class":631},[625,3574,737],{"class":635},[625,3576,737],{"class":635},[625,3578,655],{"class":682},[625,3580,3581],{"class":627,"line":1507},[625,3582,886],{"emptyLinePlaceholder":885},[625,3584,3585,3587,3589,3591,3593,3596,3598,3601,3603,3605],{"class":627,"line":1536},[625,3586,2025],{"class":891},[625,3588,971],{"class":631},[625,3590,2031],{"class":635},[625,3592,1485],{"class":861},[625,3594,3595],{"class":639}," getCart",[625,3597,643],{"class":682},[625,3599,3600],{"class":631},"user",[625,3602,636],{"class":635},[625,3604,1604],{"class":631},[625,3606,655],{"class":682},[625,3608,3609,3611,3613,3615,3617,3619,3621,3623,3625,3627,3629,3631,3633,3635,3637,3639,3641,3643,3645,3647,3649,3651,3653,3655],{"class":627,"line":1541},[625,3610,2048],{"class":631},[625,3612,636],{"class":635},[625,3614,917],{"class":639},[625,3616,643],{"class":682},[625,3618,922],{"class":635},[625,3620,971],{"class":682},[625,3622,686],{"class":635},[625,3624,679],{"class":635},[625,3626,987],{"class":682},[625,3628,686],{"class":635},[625,3630,971],{"class":631},[625,3632,636],{"class":635},[625,3634,2870],{"class":631},[625,3636,636],{"class":635},[625,3638,2875],{"class":631},[625,3640,676],{"class":635},[625,3642,997],{"class":682},[625,3644,686],{"class":635},[625,3646,971],{"class":631},[625,3648,636],{"class":635},[625,3650,2891],{"class":631},[625,3652,737],{"class":635},[625,3654,737],{"class":635},[625,3656,655],{"class":682},[625,3658,3659],{"class":627,"line":1555},[625,3660,886],{"emptyLinePlaceholder":885},[625,3662,3663,3665,3667,3669,3671,3674,3676,3679],{"class":627,"line":1578},[625,3664,2025],{"class":891},[625,3666,1024],{"class":631},[625,3668,2031],{"class":635},[625,3670,1485],{"class":861},[625,3672,3673],{"class":639}," processPayment",[625,3675,643],{"class":682},[625,3677,3678],{"class":631},"cart",[625,3680,655],{"class":682},[625,3682,3683,3685,3687,3689,3691,3693,3695,3697,3699,3701,3703,3705,3707,3709,3711,3713,3715,3717,3719,3722,3724,3726],{"class":627,"line":1638},[625,3684,2048],{"class":631},[625,3686,636],{"class":635},[625,3688,917],{"class":639},[625,3690,643],{"class":682},[625,3692,922],{"class":635},[625,3694,1024],{"class":682},[625,3696,686],{"class":635},[625,3698,679],{"class":635},[625,3700,1031],{"class":682},[625,3702,686],{"class":635},[625,3704,1024],{"class":631},[625,3706,636],{"class":635},[625,3708,1718],{"class":631},[625,3710,676],{"class":635},[625,3712,1045],{"class":682},[625,3714,686],{"class":635},[625,3716,1024],{"class":631},[625,3718,636],{"class":635},[625,3720,3721],{"class":631},"status",[625,3723,737],{"class":635},[625,3725,737],{"class":635},[625,3727,655],{"class":682},[625,3729,3730],{"class":627,"line":1647},[625,3731,886],{"emptyLinePlaceholder":885},[625,3733,3734,3736,3738,3740,3742,3744],{"class":627,"line":1653},[625,3735,2133],{"class":861},[625,3737,679],{"class":635},[625,3739,2138],{"class":682},[625,3741,686],{"class":635},[625,3743,2144],{"class":2143},[625,3745,1284],{"class":635},[625,3747,3748,3750],{"class":627,"line":1658},[625,3749,697],{"class":635},[625,3751,655],{"class":631},[614,3753,3755],{"className":1234,"code":3754,"filename":1236,"language":1237,"meta":620,"style":620},"[INFO] POST \u002Fapi\u002Fcheckout (456ms)\n  user: { id: 1, plan: 'pro' }\n  cart: { items: 3, total: 9999 }\n  payment: { method: 'card', status: 'success' }\n  status: 200\n",[622,3756,3757,3772,3792,3808,3834],{"__ignoreMap":620},[625,3758,3759,3761,3763,3765,3767,3770],{"class":627,"line":628},[625,3760,1244],{"class":635},[625,3762,1247],{"class":631},[625,3764,1250],{"class":635},[625,3766,1253],{"class":631},[625,3768,3769],{"class":1256},"456ms",[625,3771,655],{"class":631},[625,3773,3774,3776,3778,3780,3782,3784,3786,3788,3790],{"class":627,"line":658},[625,3775,1264],{"class":1256},[625,3777,679],{"class":649},[625,3779,1269],{"class":649},[625,3781,1272],{"class":649},[625,3783,1275],{"class":649},[625,3785,729],{"class":635},[625,3787,948],{"class":649},[625,3789,646],{"class":635},[625,3791,1284],{"class":649},[625,3793,3794,3796,3798,3800,3802,3804,3806],{"class":627,"line":702},[625,3795,1289],{"class":1256},[625,3797,679],{"class":649},[625,3799,1299],{"class":649},[625,3801,1302],{"class":649},[625,3803,1305],{"class":649},[625,3805,1002],{"class":809},[625,3807,1284],{"class":649},[625,3809,3810,3812,3814,3816,3818,3820,3822,3824,3826,3828,3830,3832],{"class":627,"line":742},[625,3811,1314],{"class":1256},[625,3813,679],{"class":649},[625,3815,1319],{"class":649},[625,3817,729],{"class":635},[625,3819,1038],{"class":649},[625,3821,646],{"class":635},[625,3823,676],{"class":649},[625,3825,1330],{"class":649},[625,3827,729],{"class":635},[625,3829,1052],{"class":649},[625,3831,646],{"class":635},[625,3833,1284],{"class":649},[625,3835,3836,3838],{"class":627,"line":762},[625,3837,1343],{"class":1256},[625,3839,1346],{"class":809},[1355,3841,3843],{"id":3842},"handle-errors-gracefully","Handle Errors Gracefully",[539,3845,3846],{},"When errors occur, the wide event still emits with error context:",[849,3848,3849,4075],{},[614,3850,3852],{"className":616,"code":3851,"filename":854,"language":619,"meta":620,"style":620},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n\n  try {\n    const result = await processPayment(cart)\n    return result\n  } catch (err) {\n    log.set({\n      error: {\n        message: err.message,\n        code: err.code,\n        type: err.constructor.name,\n      },\n    })\n    throw err\n  }\n})\n",[622,3853,3854,3872,3876,3898,3914,3918,3925,3945,3953,3971,3984,3993,4008,4023,4042,4047,4054,4062,4068],{"__ignoreMap":620},[625,3855,3856,3858,3860,3862,3864,3866,3868,3870],{"class":627,"line":628},[625,3857,862],{"class":861},[625,3859,679],{"class":635},[625,3861,867],{"class":631},[625,3863,737],{"class":635},[625,3865,872],{"class":861},[625,3867,729],{"class":635},[625,3869,877],{"class":649},[625,3871,880],{"class":635},[625,3873,3874],{"class":627,"line":658},[625,3875,886],{"emptyLinePlaceholder":885},[625,3877,3878,3880,3882,3884,3886,3888,3890,3892,3894,3896],{"class":627,"line":702},[625,3879,1994],{"class":861},[625,3881,1997],{"class":861},[625,3883,2000],{"class":639},[625,3885,643],{"class":631},[625,3887,2005],{"class":891},[625,3889,1561],{"class":635},[625,3891,2011],{"class":2010},[625,3893,2014],{"class":635},[625,3895,2017],{"class":891},[625,3897,2020],{"class":635},[625,3899,3900,3902,3904,3906,3908,3910,3912],{"class":627,"line":742},[625,3901,2025],{"class":891},[625,3903,2028],{"class":631},[625,3905,2031],{"class":635},[625,3907,867],{"class":639},[625,3909,643],{"class":682},[625,3911,2011],{"class":631},[625,3913,655],{"class":682},[625,3915,3916],{"class":627,"line":762},[625,3917,886],{"emptyLinePlaceholder":885},[625,3919,3920,3923],{"class":627,"line":782},[625,3921,3922],{"class":861},"  try",[625,3924,2020],{"class":635},[625,3926,3927,3930,3933,3935,3937,3939,3941,3943],{"class":627,"line":1011},[625,3928,3929],{"class":891},"    const",[625,3931,3932],{"class":631}," result",[625,3934,2031],{"class":635},[625,3936,1485],{"class":861},[625,3938,3673],{"class":639},[625,3940,643],{"class":682},[625,3942,3678],{"class":631},[625,3944,655],{"class":682},[625,3946,3947,3950],{"class":627,"line":1507},[625,3948,3949],{"class":861},"    return",[625,3951,3952],{"class":631}," result\n",[625,3954,3955,3958,3961,3963,3966,3969],{"class":627,"line":1536},[625,3956,3957],{"class":635},"  }",[625,3959,3960],{"class":861}," catch",[625,3962,1561],{"class":682},[625,3964,3965],{"class":631},"err",[625,3967,3968],{"class":682},") ",[625,3970,1575],{"class":635},[625,3972,3973,3976,3978,3980,3982],{"class":627,"line":1541},[625,3974,3975],{"class":631},"    log",[625,3977,636],{"class":635},[625,3979,917],{"class":639},[625,3981,643],{"class":682},[625,3983,1575],{"class":635},[625,3985,3986,3989,3991],{"class":627,"line":1555},[625,3987,3988],{"class":682},"      error",[625,3990,686],{"class":635},[625,3992,2020],{"class":635},[625,3994,3995,3998,4000,4002,4004,4006],{"class":627,"line":1578},[625,3996,3997],{"class":682},"        message",[625,3999,686],{"class":635},[625,4001,3112],{"class":631},[625,4003,636],{"class":635},[625,4005,3117],{"class":631},[625,4007,2574],{"class":635},[625,4009,4010,4013,4015,4017,4019,4021],{"class":627,"line":1638},[625,4011,4012],{"class":682},"        code",[625,4014,686],{"class":635},[625,4016,3112],{"class":631},[625,4018,636],{"class":635},[625,4020,622],{"class":631},[625,4022,2574],{"class":635},[625,4024,4025,4028,4030,4032,4034,4036,4038,4040],{"class":627,"line":1647},[625,4026,4027],{"class":682},"        type",[625,4029,686],{"class":635},[625,4031,3112],{"class":631},[625,4033,636],{"class":635},[625,4035,3148],{"class":631},[625,4037,636],{"class":635},[625,4039,3153],{"class":631},[625,4041,2574],{"class":635},[625,4043,4044],{"class":627,"line":1653},[625,4045,4046],{"class":635},"      },\n",[625,4048,4049,4052],{"class":627,"line":1658},[625,4050,4051],{"class":635},"    }",[625,4053,655],{"class":682},[625,4055,4056,4059],{"class":627,"line":1691},[625,4057,4058],{"class":861},"    throw",[625,4060,4061],{"class":631}," err\n",[625,4063,4065],{"class":627,"line":4064},18,[625,4066,4067],{"class":635},"  }\n",[625,4069,4071,4073],{"class":627,"line":4070},19,[625,4072,697],{"class":635},[625,4074,655],{"class":631},[614,4076,4078],{"className":1234,"code":4077,"filename":1236,"language":1237,"meta":620,"style":620},"ERROR [checkout] POST \u002Fapi\u002Fcheckout 402 in 123ms\n  ├─ error: Card declined\n  │     at server\u002Fapi\u002Fcheckout.post.ts:42\n  │   ❯ 42 ┃ throw createError({ code: 'CARD_DECLINED', ... })\n  │     Why: Issuer declined the charge\n  │     Fix: Ask the customer to use another card\n  │     stack (3 frames hidden in node_modules)\n  ├─ user: id=1 plan=pro\n  └─ cart: items=3 total=9999\n",[622,4079,4080,4088,4102,4113,4136,4155,4182,4206,4222],{"__ignoreMap":620},[625,4081,4082,4085],{"class":627,"line":628},[625,4083,4084],{"class":1256},"ERROR",[625,4086,4087],{"class":631}," [checkout] POST \u002Fapi\u002Fcheckout 402 in 123ms\n",[625,4089,4090,4093,4096,4099],{"class":627,"line":658},[625,4091,4092],{"class":1256},"  ├─",[625,4094,4095],{"class":649}," error:",[625,4097,4098],{"class":649}," Card",[625,4100,4101],{"class":649}," declined\n",[625,4103,4104,4107,4110],{"class":627,"line":702},[625,4105,4106],{"class":1256},"  │",[625,4108,4109],{"class":649},"     at",[625,4111,4112],{"class":649}," server\u002Fapi\u002Fcheckout.post.ts:42\n",[625,4114,4115,4117,4120,4122,4125,4128,4131,4133],{"class":627,"line":742},[625,4116,4106],{"class":1256},[625,4118,4119],{"class":649},"   ❯",[625,4121,982],{"class":809},[625,4123,4124],{"class":649}," ┃",[625,4126,4127],{"class":649}," throw",[625,4129,4130],{"class":649}," createError",[625,4132,643],{"class":635},[625,4134,4135],{"class":631},"{ code: 'CARD_DECLINED', ... })\n",[625,4137,4138,4140,4143,4146,4149,4152],{"class":627,"line":762},[625,4139,4106],{"class":1256},[625,4141,4142],{"class":649},"     Why:",[625,4144,4145],{"class":649}," Issuer",[625,4147,4148],{"class":649}," declined",[625,4150,4151],{"class":649}," the",[625,4153,4154],{"class":649}," charge\n",[625,4156,4157,4159,4162,4165,4167,4170,4173,4176,4179],{"class":627,"line":782},[625,4158,4106],{"class":1256},[625,4160,4161],{"class":649},"     Fix:",[625,4163,4164],{"class":649}," Ask",[625,4166,4151],{"class":649},[625,4168,4169],{"class":649}," customer",[625,4171,4172],{"class":649}," to",[625,4174,4175],{"class":649}," use",[625,4177,4178],{"class":649}," another",[625,4180,4181],{"class":649}," card\n",[625,4183,4184,4186,4189,4192,4195,4198,4201,4204],{"class":627,"line":1011},[625,4185,4106],{"class":1256},[625,4187,4188],{"class":649},"     stack",[625,4190,4191],{"class":631}," (3 ",[625,4193,4194],{"class":649},"frames",[625,4196,4197],{"class":649}," hidden",[625,4199,4200],{"class":649}," in",[625,4202,4203],{"class":649}," node_modules",[625,4205,655],{"class":635},[625,4207,4208,4210,4213,4216,4219],{"class":627,"line":1507},[625,4209,4092],{"class":1256},[625,4211,4212],{"class":649}," user:",[625,4214,4215],{"class":649}," id=",[625,4217,4218],{"class":809},"1",[625,4220,4221],{"class":649}," plan=pro\n",[625,4223,4224,4227,4230,4233,4236,4239],{"class":627,"line":1536},[625,4225,4226],{"class":1256},"  └─",[625,4228,4229],{"class":649}," cart:",[625,4231,4232],{"class":649}," items=",[625,4234,4235],{"class":809},"3",[625,4237,4238],{"class":649}," total=",[625,4240,4241],{"class":809},"9999\n",[1355,4243,4245],{"id":4244},"setting-the-level-manually","Setting the Level Manually",[539,4247,4248,4251,4252,4254,4255,4258,4259,4262,4263,4265,4266,4269],{},[622,4249,4250],{},"log.error(err)"," populates the ",[622,4253,2189],{}," field with ",[622,4256,4257],{},"{ name, message, stack }"," and promotes the wide event to ",[622,4260,4261],{},"level: 'error'",". When you want to control the ",[622,4264,2189],{}," field yourself (typed error codes, no stack, or richer custom shapes), use ",[622,4267,4268],{},"log.setLevel()"," to promote the level without touching the context:",[614,4271,4273],{"className":616,"code":4272,"language":619,"meta":620,"style":620},"log.setLevel('error')\nlog.set({\n  error: {\n    code: 'PAYMENT_DECLINED',\n    reason: 'insufficient_funds',\n  },\n})\n",[622,4274,4275,4294,4306,4314,4329,4345,4349],{"__ignoreMap":620},[625,4276,4277,4279,4281,4284,4286,4288,4290,4292],{"class":627,"line":628},[625,4278,912],{"class":631},[625,4280,636],{"class":635},[625,4282,4283],{"class":639},"setLevel",[625,4285,643],{"class":631},[625,4287,646],{"class":635},[625,4289,2189],{"class":649},[625,4291,646],{"class":635},[625,4293,655],{"class":631},[625,4295,4296,4298,4300,4302,4304],{"class":627,"line":658},[625,4297,912],{"class":631},[625,4299,636],{"class":635},[625,4301,917],{"class":639},[625,4303,643],{"class":631},[625,4305,1575],{"class":635},[625,4307,4308,4310,4312],{"class":627,"line":702},[625,4309,3098],{"class":682},[625,4311,686],{"class":635},[625,4313,2020],{"class":635},[625,4315,4316,4318,4320,4322,4325,4327],{"class":627,"line":742},[625,4317,3124],{"class":682},[625,4319,686],{"class":635},[625,4321,729],{"class":635},[625,4323,4324],{"class":649},"PAYMENT_DECLINED",[625,4326,646],{"class":635},[625,4328,2574],{"class":635},[625,4330,4331,4334,4336,4338,4341,4343],{"class":627,"line":762},[625,4332,4333],{"class":682},"    reason",[625,4335,686],{"class":635},[625,4337,729],{"class":635},[625,4339,4340],{"class":649},"insufficient_funds",[625,4342,646],{"class":635},[625,4344,2574],{"class":635},[625,4346,4347],{"class":627,"line":782},[625,4348,2914],{"class":635},[625,4350,4351,4353],{"class":627,"line":1011},[625,4352,697],{"class":635},[625,4354,655],{"class":631},[539,4356,4357,4360,4361,4364,4365,4368,4369,4372,4373,4375],{},[622,4358,4359],{},"setLevel()"," accepts ",[622,4362,4363],{},"'error' | 'warn' | 'info' | 'debug'"," and wins over the level computed from ",[622,4366,4367],{},".error()"," \u002F ",[622,4370,4371],{},".warn()",". Combine it with ",[622,4374,3441],{}," to keep the wide event tidy while still routing through error-level sampling and drains.",[603,4377,4379],{"id":4378},"choose-how-the-event-is-rendered","Choose how the event is rendered",[539,4381,4382],{},"evlog automatically switches between formats based on environment: pretty in development, JSON in production. This is the default behavior, no configuration needed.",[849,4384,4385,4467],{},[614,4386,4389],{"className":1234,"code":4387,"filename":4388,"language":1237,"meta":620,"style":620},"[INFO] POST \u002Fapi\u002Fcheckout (234ms)\n  user: { id: 1, plan: 'pro' }\n  cart: { items: 3, total: 9999 }\n  payment: { method: 'card', status: 'success' }\n","Development (Pretty)",[622,4390,4391,4405,4425,4441],{"__ignoreMap":620},[625,4392,4393,4395,4397,4399,4401,4403],{"class":627,"line":628},[625,4394,1244],{"class":635},[625,4396,1247],{"class":631},[625,4398,1250],{"class":635},[625,4400,1253],{"class":631},[625,4402,1257],{"class":1256},[625,4404,655],{"class":631},[625,4406,4407,4409,4411,4413,4415,4417,4419,4421,4423],{"class":627,"line":658},[625,4408,1264],{"class":1256},[625,4410,679],{"class":649},[625,4412,1269],{"class":649},[625,4414,1272],{"class":649},[625,4416,1275],{"class":649},[625,4418,729],{"class":635},[625,4420,948],{"class":649},[625,4422,646],{"class":635},[625,4424,1284],{"class":649},[625,4426,4427,4429,4431,4433,4435,4437,4439],{"class":627,"line":702},[625,4428,1289],{"class":1256},[625,4430,679],{"class":649},[625,4432,1299],{"class":649},[625,4434,1302],{"class":649},[625,4436,1305],{"class":649},[625,4438,1002],{"class":809},[625,4440,1284],{"class":649},[625,4442,4443,4445,4447,4449,4451,4453,4455,4457,4459,4461,4463,4465],{"class":627,"line":742},[625,4444,1314],{"class":1256},[625,4446,679],{"class":649},[625,4448,1319],{"class":649},[625,4450,729],{"class":635},[625,4452,1038],{"class":649},[625,4454,646],{"class":635},[625,4456,676],{"class":649},[625,4458,1330],{"class":649},[625,4460,729],{"class":635},[625,4462,1052],{"class":649},[625,4464,646],{"class":635},[625,4466,1284],{"class":649},[614,4468,4473],{"className":4469,"code":4470,"filename":4471,"language":4472,"meta":620,"style":620},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"level\": \"info\",\n  \"method\": \"POST\",\n  \"path\": \"\u002Fapi\u002Fcheckout\",\n  \"duration\": 234,\n  \"user\": { \"id\": 1, \"plan\": \"pro\" },\n  \"cart\": { \"items\": 3, \"total\": 9999 },\n  \"payment\": { \"method\": \"card\", \"status\": \"success\" }\n}\n","Production (JSON)","json",[622,4474,4475,4479,4501,4519,4537,4552,4592,4628,4673],{"__ignoreMap":620},[625,4476,4477],{"class":627,"line":628},[625,4478,1575],{"class":635},[625,4480,4481,4484,4487,4490,4492,4495,4497,4499],{"class":627,"line":658},[625,4482,4483],{"class":635},"  \"",[625,4485,4486],{"class":891},"level",[625,4488,4489],{"class":635},"\"",[625,4491,686],{"class":635},[625,4493,4494],{"class":635}," \"",[625,4496,640],{"class":649},[625,4498,4489],{"class":635},[625,4500,2574],{"class":635},[625,4502,4503,4505,4507,4509,4511,4513,4515,4517],{"class":627,"line":702},[625,4504,4483],{"class":635},[625,4506,1718],{"class":891},[625,4508,4489],{"class":635},[625,4510,686],{"class":635},[625,4512,4494],{"class":635},[625,4514,1817],{"class":649},[625,4516,4489],{"class":635},[625,4518,2574],{"class":635},[625,4520,4521,4523,4525,4527,4529,4531,4533,4535],{"class":627,"line":742},[625,4522,4483],{"class":635},[625,4524,1722],{"class":891},[625,4526,4489],{"class":635},[625,4528,686],{"class":635},[625,4530,4494],{"class":635},[625,4532,1831],{"class":649},[625,4534,4489],{"class":635},[625,4536,2574],{"class":635},[625,4538,4539,4541,4544,4546,4548,4550],{"class":627,"line":762},[625,4540,4483],{"class":635},[625,4542,4543],{"class":891},"duration",[625,4545,4489],{"class":635},[625,4547,686],{"class":635},[625,4549,810],{"class":809},[625,4551,2574],{"class":635},[625,4553,4554,4556,4558,4560,4562,4564,4566,4568,4570,4572,4574,4576,4578,4580,4582,4584,4586,4588,4590],{"class":627,"line":782},[625,4555,4483],{"class":635},[625,4557,3600],{"class":891},[625,4559,4489],{"class":635},[625,4561,686],{"class":635},[625,4563,679],{"class":635},[625,4565,4494],{"class":635},[625,4567,1604],{"class":1256},[625,4569,4489],{"class":635},[625,4571,686],{"class":635},[625,4573,936],{"class":809},[625,4575,676],{"class":635},[625,4577,4494],{"class":635},[625,4579,1631],{"class":1256},[625,4581,4489],{"class":635},[625,4583,686],{"class":635},[625,4585,4494],{"class":635},[625,4587,948],{"class":649},[625,4589,4489],{"class":635},[625,4591,3401],{"class":635},[625,4593,4594,4596,4598,4600,4602,4604,4606,4608,4610,4612,4614,4616,4618,4620,4622,4624,4626],{"class":627,"line":1011},[625,4595,4483],{"class":635},[625,4597,3678],{"class":891},[625,4599,4489],{"class":635},[625,4601,686],{"class":635},[625,4603,679],{"class":635},[625,4605,4494],{"class":635},[625,4607,2870],{"class":1256},[625,4609,4489],{"class":635},[625,4611,686],{"class":635},[625,4613,992],{"class":809},[625,4615,676],{"class":635},[625,4617,4494],{"class":635},[625,4619,2891],{"class":1256},[625,4621,4489],{"class":635},[625,4623,686],{"class":635},[625,4625,1002],{"class":809},[625,4627,3401],{"class":635},[625,4629,4630,4632,4635,4637,4639,4641,4643,4645,4647,4649,4651,4653,4655,4657,4659,4661,4663,4665,4667,4669,4671],{"class":627,"line":1507},[625,4631,4483],{"class":635},[625,4633,4634],{"class":891},"payment",[625,4636,4489],{"class":635},[625,4638,686],{"class":635},[625,4640,679],{"class":635},[625,4642,4494],{"class":635},[625,4644,1718],{"class":1256},[625,4646,4489],{"class":635},[625,4648,686],{"class":635},[625,4650,4494],{"class":635},[625,4652,1038],{"class":649},[625,4654,4489],{"class":635},[625,4656,676],{"class":635},[625,4658,4494],{"class":635},[625,4660,3721],{"class":1256},[625,4662,4489],{"class":635},[625,4664,686],{"class":635},[625,4666,4494],{"class":635},[625,4668,1052],{"class":649},[625,4670,4489],{"class":635},[625,4672,1284],{"class":635},[625,4674,4675],{"class":627,"line":1536},[625,4676,1650],{"class":635},[603,4678,4680],{"id":4679},"next-steps","Next 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