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context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":603,"title":25,"body":604,"description":3459,"extension":3460,"links":3461,"meta":3465,"navigation":3466,"path":26,"seo":3467,"stem":27,"__hash__":3468},"docs\u002F1.start\u002F4.quick-start.md",{"type":605,"value":606,"toc":3444},"minimark",[607,616,657,700,705,708,919,922,943,972,980,984,994,1259,1278,1294,1367,1381,1385,1392,1721,1731,1736,1799,1803,1806,1811,1817,2007,2010,2057,2061,2066,2194,2207,2211,2217,2466,2470,2572,2576,2581,2943,2947,2953,3344,3350,3354,3357,3380,3395,3398,3402,3440],[608,609,610,611,615],"p",{},"This guide covers the core APIs you'll use most often with evlog. Prefer to learn by running a complete server? Follow ",[612,613,614],"a",{"href":451},"Structured Logging in Node.js",", then return here for the API overview.",[617,618,620,621,625,626,630,631,634,635,638,639,642,643,646,647,630,650,634,653,656],"callout",{"color":619,"icon":443},"info","In Nuxt, evlog ",[622,623,624],"strong",{},"auto-imports"," ",[627,628,629],"code",{},"useLogger",", ",[627,632,633],{},"log",", and ",[627,636,637],{},"parseError",". ",[627,640,641],{},"createError"," is imported from ",[627,644,645],{},"evlog",": the auto-imported one is Nuxt's own, and it drops ",[627,648,649],{},"why",[627,651,652],{},"fix",[627,654,655],{},"link",".",[658,659,662,665,687],"prompt",{":actions":660,"description":661,"icon":28},"[\"copy\",\"cursor\",\"claude\"]","Get evlog running in 2 minutes",[608,663,664],{},"Get evlog running in my project in under 2 minutes.",[666,667,668,672,675,678,681,684],"ul",{},[669,670,671],"li",{},"Install evlog: pnpm add evlog",[669,673,674],{},"Detect my framework and wire up the matching integration",[669,676,677],{},"Set evlog.env.service to my app name",[669,679,680],{},"Add a single useLogger(event) call in a route handler with log.set({ ... })",[669,682,683],{},"Throw one createError({ message, status, why, fix }) for an invalid input case",[669,685,686],{},"Trigger the route locally and confirm a single wide event prints to the terminal",[608,688,689,690,695,696],{},"Docs: ",[612,691,692],{"href":692,"rel":693},"https:\u002F\u002Fwww.evlog.dev\u002Fstart\u002Fquick-start",[694],"nofollow","\nFrameworks: ",[612,697,698],{"href":698,"rel":699},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Foverview",[694],[701,702,704],"h2",{"id":703},"log-simple-logging","log (Simple Logging)",[608,706,707],{},"The simplest way to use evlog. Fire-and-forget structured logs, anywhere in your code:",[709,710,711,871],"code-group",{},[712,713,719],"pre",{"className":714,"code":715,"filename":716,"language":717,"meta":718,"style":718},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { log } from 'evlog'\n\nlog.info('auth', 'User logged in')\nlog.error({ action: 'payment', error: 'card_declined' })\nlog.warn('cache', 'Cache miss')\n","Server","typescript","",[627,720,721,753,760,794,841],{"__ignoreMap":718},[722,723,726,730,734,738,741,744,747,750],"span",{"class":724,"line":725},"line",1,[722,727,729],{"class":728},"s7zQu","import",[722,731,733],{"class":732},"sMK4o"," {",[722,735,737],{"class":736},"sTEyZ"," log",[722,739,740],{"class":732}," }",[722,742,743],{"class":728}," from",[722,745,746],{"class":732}," '",[722,748,645],{"class":749},"sfazB",[722,751,752],{"class":732},"'\n",[722,754,756],{"class":724,"line":755},2,[722,757,759],{"emptyLinePlaceholder":758},true,"\n",[722,761,763,765,767,770,773,776,779,781,784,786,789,791],{"class":724,"line":762},3,[722,764,633],{"class":736},[722,766,656],{"class":732},[722,768,619],{"class":769},"s2Zo4",[722,771,772],{"class":736},"(",[722,774,775],{"class":732},"'",[722,777,778],{"class":749},"auth",[722,780,775],{"class":732},[722,782,783],{"class":732},",",[722,785,746],{"class":732},[722,787,788],{"class":749},"User logged in",[722,790,775],{"class":732},[722,792,793],{"class":736},")\n",[722,795,797,799,801,804,806,809,813,816,818,821,823,825,828,830,832,835,837,839],{"class":724,"line":796},4,[722,798,633],{"class":736},[722,800,656],{"class":732},[722,802,803],{"class":769},"error",[722,805,772],{"class":736},[722,807,808],{"class":732},"{",[722,810,812],{"class":811},"swJcz"," action",[722,814,815],{"class":732},":",[722,817,746],{"class":732},[722,819,820],{"class":749},"payment",[722,822,775],{"class":732},[722,824,783],{"class":732},[722,826,827],{"class":811}," error",[722,829,815],{"class":732},[722,831,746],{"class":732},[722,833,834],{"class":749},"card_declined",[722,836,775],{"class":732},[722,838,740],{"class":732},[722,840,793],{"class":736},[722,842,844,846,848,851,853,855,858,860,862,864,867,869],{"class":724,"line":843},5,[722,845,633],{"class":736},[722,847,656],{"class":732},[722,849,850],{"class":769},"warn",[722,852,772],{"class":736},[722,854,775],{"class":732},[722,856,857],{"class":749},"cache",[722,859,775],{"class":732},[722,861,783],{"class":732},[722,863,746],{"class":732},[722,865,866],{"class":749},"Cache miss",[722,868,775],{"class":732},[722,870,793],{"class":736},[712,872,877],{"className":873,"code":874,"filename":875,"language":876,"meta":718,"style":718},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","10:23:45.612 [auth] User logged in\n10:23:45.613 ERROR [my-app] action=payment error=card_declined\n10:23:45.614 [cache] Cache miss\n","Output","bash",[627,878,879,888,911],{"__ignoreMap":718},[722,880,881,885],{"class":724,"line":725},[722,882,884],{"class":883},"sBMFI","10:23:45.612",[722,886,887],{"class":736}," [auth] User logged in\n",[722,889,890,893,896,899,902,904,906,908],{"class":724,"line":755},[722,891,892],{"class":883},"10:23:45.613",[722,894,895],{"class":749}," ERROR",[722,897,898],{"class":736}," [my-app] action",[722,900,901],{"class":732},"=",[722,903,820],{"class":749},[722,905,827],{"class":736},[722,907,901],{"class":732},[722,909,910],{"class":749},"card_declined\n",[722,912,913,916],{"class":724,"line":762},[722,914,915],{"class":883},"10:23:45.614",[722,917,918],{"class":736}," [cache] Cache miss\n",[608,920,921],{},"Two call styles:",[666,923,924,934],{},[669,925,926,929,930,933],{},[622,927,928],{},"Tagged",": ",[627,931,932],{},"log.info('tag', 'message')"," for quick, readable console output",[669,935,936,929,939,942],{},[622,937,938],{},"Structured",[627,940,941],{},"log.info({ key: value })"," for rich events that flow through the drain pipeline",[608,944,945,946,948,949,952,953,956,957,960,961,964,965,968,969,656],{},"Coming from pino or consola, the default import is the same ",[627,947,633],{}," API with no setup line: ",[627,950,951],{},"import logger from 'evlog'",", then ",[627,954,955],{},"logger.info('auth', 'User logged in')"," prints right away. The object form takes the event alone, so pino's ",[627,958,959],{},"logger.info(obj, msg)"," becomes ",[627,962,963],{},"logger.info(obj)",". The no-setup path has a price in production: without ",[627,966,967],{},"initLogger()",", events carry no redaction and no drain, and the first emitted event logs a one-time warning pointing at ",[627,970,971],{},"initLogger({ drain })",[617,973,976,977,979],{"color":974,"icon":975},"neutral","i-lucide-arrow-right","See the full ",[612,978,46],{"href":47}," guide for all patterns and drain integration.",[701,981,983],{"id":982},"createlogger-wide-events","createLogger (Wide Events)",[608,985,986,987,990,991,815],{},"When you need to ",[622,988,989],{},"accumulate context"," across multiple steps of an operation, whether a script, background job, queue worker, or workflow, use ",[627,992,993],{},"createLogger",[709,995,996,1202],{},[712,997,1000],{"className":714,"code":998,"filename":999,"language":717,"meta":718,"style":718},"import { initLogger, createLogger } from 'evlog'\n\ninitLogger({ env: { service: 'sync-worker' } })\n\nconst log = createLogger({ jobId: job.id, queue: 'emails' })\n\nlog.set({ batch: { size: 50 } })\nlog.set({ batch: { processed: 50 } })\nlog.emit()\n","scripts\u002Fsync-job.ts",[627,1001,1002,1026,1030,1064,1068,1116,1121,1157,1189],{"__ignoreMap":718},[722,1003,1004,1006,1008,1011,1013,1016,1018,1020,1022,1024],{"class":724,"line":725},[722,1005,729],{"class":728},[722,1007,733],{"class":732},[722,1009,1010],{"class":736}," initLogger",[722,1012,783],{"class":732},[722,1014,1015],{"class":736}," createLogger",[722,1017,740],{"class":732},[722,1019,743],{"class":728},[722,1021,746],{"class":732},[722,1023,645],{"class":749},[722,1025,752],{"class":732},[722,1027,1028],{"class":724,"line":755},[722,1029,759],{"emptyLinePlaceholder":758},[722,1031,1032,1035,1037,1039,1042,1044,1046,1049,1051,1053,1056,1058,1060,1062],{"class":724,"line":762},[722,1033,1034],{"class":769},"initLogger",[722,1036,772],{"class":736},[722,1038,808],{"class":732},[722,1040,1041],{"class":811}," env",[722,1043,815],{"class":732},[722,1045,733],{"class":732},[722,1047,1048],{"class":811}," service",[722,1050,815],{"class":732},[722,1052,746],{"class":732},[722,1054,1055],{"class":749},"sync-worker",[722,1057,775],{"class":732},[722,1059,740],{"class":732},[722,1061,740],{"class":732},[722,1063,793],{"class":736},[722,1065,1066],{"class":724,"line":796},[722,1067,759],{"emptyLinePlaceholder":758},[722,1069,1070,1074,1077,1079,1081,1083,1085,1088,1090,1093,1095,1098,1100,1103,1105,1107,1110,1112,1114],{"class":724,"line":843},[722,1071,1073],{"class":1072},"spNyl","const",[722,1075,1076],{"class":736}," log ",[722,1078,901],{"class":732},[722,1080,1015],{"class":769},[722,1082,772],{"class":736},[722,1084,808],{"class":732},[722,1086,1087],{"class":811}," jobId",[722,1089,815],{"class":732},[722,1091,1092],{"class":736}," job",[722,1094,656],{"class":732},[722,1096,1097],{"class":736},"id",[722,1099,783],{"class":732},[722,1101,1102],{"class":811}," queue",[722,1104,815],{"class":732},[722,1106,746],{"class":732},[722,1108,1109],{"class":749},"emails",[722,1111,775],{"class":732},[722,1113,740],{"class":732},[722,1115,793],{"class":736},[722,1117,1119],{"class":724,"line":1118},6,[722,1120,759],{"emptyLinePlaceholder":758},[722,1122,1124,1126,1128,1131,1133,1135,1138,1140,1142,1145,1147,1151,1153,1155],{"class":724,"line":1123},7,[722,1125,633],{"class":736},[722,1127,656],{"class":732},[722,1129,1130],{"class":769},"set",[722,1132,772],{"class":736},[722,1134,808],{"class":732},[722,1136,1137],{"class":811}," batch",[722,1139,815],{"class":732},[722,1141,733],{"class":732},[722,1143,1144],{"class":811}," size",[722,1146,815],{"class":732},[722,1148,1150],{"class":1149},"sbssI"," 50",[722,1152,740],{"class":732},[722,1154,740],{"class":732},[722,1156,793],{"class":736},[722,1158,1160,1162,1164,1166,1168,1170,1172,1174,1176,1179,1181,1183,1185,1187],{"class":724,"line":1159},8,[722,1161,633],{"class":736},[722,1163,656],{"class":732},[722,1165,1130],{"class":769},[722,1167,772],{"class":736},[722,1169,808],{"class":732},[722,1171,1137],{"class":811},[722,1173,815],{"class":732},[722,1175,733],{"class":732},[722,1177,1178],{"class":811}," processed",[722,1180,815],{"class":732},[722,1182,1150],{"class":1149},[722,1184,740],{"class":732},[722,1186,740],{"class":732},[722,1188,793],{"class":736},[722,1190,1192,1194,1196,1199],{"class":724,"line":1191},9,[722,1193,633],{"class":736},[722,1195,656],{"class":732},[722,1197,1198],{"class":769},"emit",[722,1200,1201],{"class":736},"()\n",[712,1203,1206],{"className":873,"code":1204,"filename":1205,"language":876,"meta":718,"style":718},"10:23:45.612 INFO [sync-worker] in 1204ms\n  ├─ jobId: job_abc123\n  ├─ queue: emails\n  └─ batch: size=50 processed=50\n","Output (Pretty)",[627,1207,1208,1218,1229,1239],{"__ignoreMap":718},[722,1209,1210,1212,1215],{"class":724,"line":725},[722,1211,884],{"class":883},[722,1213,1214],{"class":749}," INFO",[722,1216,1217],{"class":736}," [sync-worker] in 1204ms\n",[722,1219,1220,1223,1226],{"class":724,"line":755},[722,1221,1222],{"class":883},"  ├─",[722,1224,1225],{"class":749}," jobId:",[722,1227,1228],{"class":749}," job_abc123\n",[722,1230,1231,1233,1236],{"class":724,"line":762},[722,1232,1222],{"class":883},[722,1234,1235],{"class":749}," queue:",[722,1237,1238],{"class":749}," emails\n",[722,1240,1241,1244,1247,1250,1253,1256],{"class":724,"line":796},[722,1242,1243],{"class":883},"  └─",[722,1245,1246],{"class":749}," batch:",[722,1248,1249],{"class":749}," size=",[722,1251,1252],{"class":1149},"50",[722,1254,1255],{"class":749}," processed=",[722,1257,1258],{"class":1149},"50\n",[608,1260,1261,1264,1265,630,1267,630,1269,630,1271,630,1273,634,1275,656],{},[627,1262,1263],{},"createLogger()"," accepts any initial context as a plain object. It returns a logger with ",[627,1266,1130],{},[627,1268,803],{},[627,1270,619],{},[627,1272,850],{},[627,1274,1198],{},[627,1276,1277],{},"getContext",[608,1279,1280,1281,1284,1285,630,1288,634,1291,815],{},"For HTTP request contexts specifically, use ",[627,1282,1283],{},"createRequestLogger()"," which pre-populates ",[627,1286,1287],{},"method",[627,1289,1290],{},"path",[627,1292,1293],{},"requestId",[712,1295,1298],{"className":714,"code":1296,"filename":1297,"language":717,"meta":718,"style":718},"import { createRequestLogger } from 'evlog'\n\nconst log = createRequestLogger({ method: 'POST', path: '\u002Fapi\u002Fcheckout' })\n","src\u002Fworker.ts",[627,1299,1300,1319,1323],{"__ignoreMap":718},[722,1301,1302,1304,1306,1309,1311,1313,1315,1317],{"class":724,"line":725},[722,1303,729],{"class":728},[722,1305,733],{"class":732},[722,1307,1308],{"class":736}," createRequestLogger",[722,1310,740],{"class":732},[722,1312,743],{"class":728},[722,1314,746],{"class":732},[722,1316,645],{"class":749},[722,1318,752],{"class":732},[722,1320,1321],{"class":724,"line":755},[722,1322,759],{"emptyLinePlaceholder":758},[722,1324,1325,1327,1329,1331,1333,1335,1337,1340,1342,1344,1347,1349,1351,1354,1356,1358,1361,1363,1365],{"class":724,"line":762},[722,1326,1073],{"class":1072},[722,1328,1076],{"class":736},[722,1330,901],{"class":732},[722,1332,1308],{"class":769},[722,1334,772],{"class":736},[722,1336,808],{"class":732},[722,1338,1339],{"class":811}," method",[722,1341,815],{"class":732},[722,1343,746],{"class":732},[722,1345,1346],{"class":749},"POST",[722,1348,775],{"class":732},[722,1350,783],{"class":732},[722,1352,1353],{"class":811}," path",[722,1355,815],{"class":732},[722,1357,746],{"class":732},[722,1359,1360],{"class":749},"\u002Fapi\u002Fcheckout",[722,1362,775],{"class":732},[722,1364,740],{"class":732},[722,1366,793],{"class":736},[617,1368,1369,1370,1372,1373,1376,1377,1380],{"color":619,"icon":13},"With ",[627,1371,993],{}," and ",[627,1374,1375],{},"createRequestLogger",", you must call ",[627,1378,1379],{},"log.emit()"," manually. In framework integrations, this happens automatically.",[701,1382,1384],{"id":1383},"uselogger-retrieve-the-request-logger","useLogger (Retrieve the Request Logger)",[608,1386,1387,1388,1391],{},"When using a framework integration (Nuxt, Hono, Express, etc.), the middleware automatically creates a wide event logger on request start and emits it on response end. ",[627,1389,1390],{},"useLogger(event)"," retrieves that logger from the request context:",[709,1393,1394,1662],{},[712,1395,1398],{"className":714,"code":1396,"filename":1397,"language":717,"meta":718,"style":718},"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  const order = await processCheckout()\n  log.set({ orderId: order.id })\n\n  return { success: true, orderId: order.id }\n})\n","server\u002Fapi\u002Fcheckout.post.ts",[627,1399,1400,1419,1423,1455,1473,1477,1525,1568,1572,1589,1617,1622,1654],{"__ignoreMap":718},[722,1401,1402,1404,1406,1409,1411,1413,1415,1417],{"class":724,"line":725},[722,1403,729],{"class":728},[722,1405,733],{"class":732},[722,1407,1408],{"class":736}," useLogger",[722,1410,740],{"class":732},[722,1412,743],{"class":728},[722,1414,746],{"class":732},[722,1416,645],{"class":749},[722,1418,752],{"class":732},[722,1420,1421],{"class":724,"line":755},[722,1422,759],{"emptyLinePlaceholder":758},[722,1424,1425,1428,1431,1434,1436,1439,1442,1446,1449,1452],{"class":724,"line":762},[722,1426,1427],{"class":728},"export",[722,1429,1430],{"class":728}," default",[722,1432,1433],{"class":769}," defineEventHandler",[722,1435,772],{"class":736},[722,1437,1438],{"class":1072},"async",[722,1440,1441],{"class":732}," (",[722,1443,1445],{"class":1444},"sHdIc","event",[722,1447,1448],{"class":732},")",[722,1450,1451],{"class":1072}," =>",[722,1453,1454],{"class":732}," {\n",[722,1456,1457,1460,1462,1465,1467,1469,1471],{"class":724,"line":796},[722,1458,1459],{"class":1072},"  const",[722,1461,737],{"class":736},[722,1463,1464],{"class":732}," =",[722,1466,1408],{"class":769},[722,1468,772],{"class":811},[722,1470,1445],{"class":736},[722,1472,793],{"class":811},[722,1474,1475],{"class":724,"line":843},[722,1476,759],{"emptyLinePlaceholder":758},[722,1478,1479,1482,1484,1486,1488,1490,1493,1495,1497,1500,1502,1505,1507,1510,1512,1514,1517,1519,1521,1523],{"class":724,"line":1118},[722,1480,1481],{"class":736},"  log",[722,1483,656],{"class":732},[722,1485,1130],{"class":769},[722,1487,772],{"class":811},[722,1489,808],{"class":732},[722,1491,1492],{"class":811}," user",[722,1494,815],{"class":732},[722,1496,733],{"class":732},[722,1498,1499],{"class":811}," id",[722,1501,815],{"class":732},[722,1503,1504],{"class":1149}," 1",[722,1506,783],{"class":732},[722,1508,1509],{"class":811}," plan",[722,1511,815],{"class":732},[722,1513,746],{"class":732},[722,1515,1516],{"class":749},"pro",[722,1518,775],{"class":732},[722,1520,740],{"class":732},[722,1522,740],{"class":732},[722,1524,793],{"class":811},[722,1526,1527,1529,1531,1533,1535,1537,1540,1542,1544,1547,1549,1552,1554,1557,1559,1562,1564,1566],{"class":724,"line":1123},[722,1528,1481],{"class":736},[722,1530,656],{"class":732},[722,1532,1130],{"class":769},[722,1534,772],{"class":811},[722,1536,808],{"class":732},[722,1538,1539],{"class":811}," cart",[722,1541,815],{"class":732},[722,1543,733],{"class":732},[722,1545,1546],{"class":811}," items",[722,1548,815],{"class":732},[722,1550,1551],{"class":1149}," 3",[722,1553,783],{"class":732},[722,1555,1556],{"class":811}," total",[722,1558,815],{"class":732},[722,1560,1561],{"class":1149}," 9999",[722,1563,740],{"class":732},[722,1565,740],{"class":732},[722,1567,793],{"class":811},[722,1569,1570],{"class":724,"line":1159},[722,1571,759],{"emptyLinePlaceholder":758},[722,1573,1574,1576,1579,1581,1584,1587],{"class":724,"line":1191},[722,1575,1459],{"class":1072},[722,1577,1578],{"class":736}," order",[722,1580,1464],{"class":732},[722,1582,1583],{"class":728}," await",[722,1585,1586],{"class":769}," processCheckout",[722,1588,1201],{"class":811},[722,1590,1592,1594,1596,1598,1600,1602,1605,1607,1609,1611,1613,1615],{"class":724,"line":1591},10,[722,1593,1481],{"class":736},[722,1595,656],{"class":732},[722,1597,1130],{"class":769},[722,1599,772],{"class":811},[722,1601,808],{"class":732},[722,1603,1604],{"class":811}," orderId",[722,1606,815],{"class":732},[722,1608,1578],{"class":736},[722,1610,656],{"class":732},[722,1612,1097],{"class":736},[722,1614,740],{"class":732},[722,1616,793],{"class":811},[722,1618,1620],{"class":724,"line":1619},11,[722,1621,759],{"emptyLinePlaceholder":758},[722,1623,1625,1628,1630,1633,1635,1639,1641,1643,1645,1647,1649,1651],{"class":724,"line":1624},12,[722,1626,1627],{"class":728},"  return",[722,1629,733],{"class":732},[722,1631,1632],{"class":811}," success",[722,1634,815],{"class":732},[722,1636,1638],{"class":1637},"sfNiH"," true",[722,1640,783],{"class":732},[722,1642,1604],{"class":811},[722,1644,815],{"class":732},[722,1646,1578],{"class":736},[722,1648,656],{"class":732},[722,1650,1097],{"class":736},[722,1652,1653],{"class":732}," }\n",[722,1655,1657,1660],{"class":724,"line":1656},13,[722,1658,1659],{"class":732},"}",[722,1661,793],{"class":736},[712,1663,1665],{"className":873,"code":1664,"filename":1205,"language":876,"meta":718,"style":718},"10:23:45.612 INFO [my-app] POST \u002Fapi\u002Fcheckout 200 in 234ms\n  ├─ user: id=1 plan=pro\n  ├─ cart: items=3 total=9999\n  └─ orderId: ord_abc123\n",[627,1666,1667,1676,1692,1711],{"__ignoreMap":718},[722,1668,1669,1671,1673],{"class":724,"line":725},[722,1670,884],{"class":883},[722,1672,1214],{"class":749},[722,1674,1675],{"class":736}," [my-app] POST \u002Fapi\u002Fcheckout 200 in 234ms\n",[722,1677,1678,1680,1683,1686,1689],{"class":724,"line":755},[722,1679,1222],{"class":883},[722,1681,1682],{"class":749}," user:",[722,1684,1685],{"class":749}," id=",[722,1687,1688],{"class":1149},"1",[722,1690,1691],{"class":749}," plan=pro\n",[722,1693,1694,1696,1699,1702,1705,1708],{"class":724,"line":762},[722,1695,1222],{"class":883},[722,1697,1698],{"class":749}," cart:",[722,1700,1701],{"class":749}," items=",[722,1703,1704],{"class":1149},"3",[722,1706,1707],{"class":749}," total=",[722,1709,1710],{"class":1149},"9999\n",[722,1712,1713,1715,1718],{"class":724,"line":796},[722,1714,1243],{"class":883},[722,1716,1717],{"class":749}," orderId:",[722,1719,1720],{"class":749}," ord_abc123\n",[617,1722,1725,1727,1728,656],{"color":1723,"icon":1724},"success","i-lucide-check",[627,1726,629],{}," doesn't create a logger, the framework middleware already did that. It just retrieves it from the event context so you can add data with ",[627,1729,1730],{},"set()",[1732,1733,1735],"h3",{"id":1734},"when-to-use-what","When to use what",[1737,1738,1739,1762],"table",{},[1740,1741,1742],"thead",{},[1743,1744,1745,1751,1758],"tr",{},[1746,1747,1748,1749],"th",{},"Use ",[627,1750,633],{},[1746,1752,1748,1753,1755,1756],{},[627,1754,1263],{}," \u002F ",[627,1757,1283],{},[1746,1759,1748,1760],{},[627,1761,1390],{},[1763,1764,1765,1777,1788],"tbody",{},[1743,1766,1767,1771,1774],{},[1768,1769,1770],"td",{},"Quick one-off events",[1768,1772,1773],{},"Scripts, jobs, workers, queues, HTTP without a framework",[1768,1775,1776],{},"API routes with a framework integration",[1743,1778,1779,1782,1785],{},[1768,1780,1781],{},"No context accumulation needed",[1768,1783,1784],{},"Accumulate context over an operation",[1768,1786,1787],{},"Retrieve the request-scoped logger",[1743,1789,1790,1793,1796],{},[1768,1791,1792],{},"Client-side logging",[1768,1794,1795],{},"Wide events (one log per operation)",[1768,1797,1798],{},"Access the auto-managed wide event",[1732,1800,1802],{"id":1801},"service-identification","Service Identification",[608,1804,1805],{},"In multi-service architectures, differentiate which service a log belongs to using either route-based configuration or explicit service names.",[1807,1808,1810],"h4",{"id":1809},"route-based-configuration","Route-Based Configuration",[608,1812,1813,1814,815],{},"Configure service names per route pattern in your ",[627,1815,1816],{},"nuxt.config.ts",[712,1818,1820],{"className":714,"code":1819,"filename":1816,"language":717,"meta":718,"style":718},"export default defineNuxtConfig({\n  modules: ['evlog\u002Fnuxt'],\n\n  evlog: {\n    env: {\n      service: 'default-service',\n    },\n    routes: {\n      '\u002Fapi\u002Fauth\u002F**': { service: 'auth-service' },\n      '\u002Fapi\u002Fpayment\u002F**': { service: 'payment-service' },\n      '\u002Fapi\u002Fbooking\u002F**': { service: 'booking-service' },\n    },\n  },\n})\n",[627,1821,1822,1836,1859,1863,1872,1881,1897,1902,1911,1939,1965,1991,1995,2000],{"__ignoreMap":718},[722,1823,1824,1826,1828,1831,1833],{"class":724,"line":725},[722,1825,1427],{"class":728},[722,1827,1430],{"class":728},[722,1829,1830],{"class":769}," defineNuxtConfig",[722,1832,772],{"class":736},[722,1834,1835],{"class":732},"{\n",[722,1837,1838,1841,1843,1846,1848,1851,1853,1856],{"class":724,"line":755},[722,1839,1840],{"class":811},"  modules",[722,1842,815],{"class":732},[722,1844,1845],{"class":736}," [",[722,1847,775],{"class":732},[722,1849,1850],{"class":749},"evlog\u002Fnuxt",[722,1852,775],{"class":732},[722,1854,1855],{"class":736},"]",[722,1857,1858],{"class":732},",\n",[722,1860,1861],{"class":724,"line":762},[722,1862,759],{"emptyLinePlaceholder":758},[722,1864,1865,1868,1870],{"class":724,"line":796},[722,1866,1867],{"class":811},"  evlog",[722,1869,815],{"class":732},[722,1871,1454],{"class":732},[722,1873,1874,1877,1879],{"class":724,"line":843},[722,1875,1876],{"class":811},"    env",[722,1878,815],{"class":732},[722,1880,1454],{"class":732},[722,1882,1883,1886,1888,1890,1893,1895],{"class":724,"line":1118},[722,1884,1885],{"class":811},"      service",[722,1887,815],{"class":732},[722,1889,746],{"class":732},[722,1891,1892],{"class":749},"default-service",[722,1894,775],{"class":732},[722,1896,1858],{"class":732},[722,1898,1899],{"class":724,"line":1123},[722,1900,1901],{"class":732},"    },\n",[722,1903,1904,1907,1909],{"class":724,"line":1159},[722,1905,1906],{"class":811},"    routes",[722,1908,815],{"class":732},[722,1910,1454],{"class":732},[722,1912,1913,1916,1919,1921,1923,1925,1927,1929,1931,1934,1936],{"class":724,"line":1191},[722,1914,1915],{"class":732},"      '",[722,1917,1918],{"class":811},"\u002Fapi\u002Fauth\u002F**",[722,1920,775],{"class":732},[722,1922,815],{"class":732},[722,1924,733],{"class":732},[722,1926,1048],{"class":811},[722,1928,815],{"class":732},[722,1930,746],{"class":732},[722,1932,1933],{"class":749},"auth-service",[722,1935,775],{"class":732},[722,1937,1938],{"class":732}," },\n",[722,1940,1941,1943,1946,1948,1950,1952,1954,1956,1958,1961,1963],{"class":724,"line":1591},[722,1942,1915],{"class":732},[722,1944,1945],{"class":811},"\u002Fapi\u002Fpayment\u002F**",[722,1947,775],{"class":732},[722,1949,815],{"class":732},[722,1951,733],{"class":732},[722,1953,1048],{"class":811},[722,1955,815],{"class":732},[722,1957,746],{"class":732},[722,1959,1960],{"class":749},"payment-service",[722,1962,775],{"class":732},[722,1964,1938],{"class":732},[722,1966,1967,1969,1972,1974,1976,1978,1980,1982,1984,1987,1989],{"class":724,"line":1619},[722,1968,1915],{"class":732},[722,1970,1971],{"class":811},"\u002Fapi\u002Fbooking\u002F**",[722,1973,775],{"class":732},[722,1975,815],{"class":732},[722,1977,733],{"class":732},[722,1979,1048],{"class":811},[722,1981,815],{"class":732},[722,1983,746],{"class":732},[722,1985,1986],{"class":749},"booking-service",[722,1988,775],{"class":732},[722,1990,1938],{"class":732},[722,1992,1993],{"class":724,"line":1624},[722,1994,1901],{"class":732},[722,1996,1997],{"class":724,"line":1656},[722,1998,1999],{"class":732},"  },\n",[722,2001,2003,2005],{"class":724,"line":2002},14,[722,2004,1659],{"class":732},[722,2006,793],{"class":736},[608,2008,2009],{},"Logs from routes matching these patterns will automatically include the configured service name:",[712,2011,2013],{"className":873,"code":2012,"filename":875,"language":876,"meta":718,"style":718},"21:57:10.442 INFO [auth-service] POST \u002Fapi\u002Fauth\u002Flogin 200 in 1ms\n  ├─ requestId: 88ced16a-bef2-4483-86cb-2b4fb677ea52\n  ├─ user: id=user_123 email=demo@example.com\n  └─ action: login\n",[627,2014,2015,2025,2035,2047],{"__ignoreMap":718},[722,2016,2017,2020,2022],{"class":724,"line":725},[722,2018,2019],{"class":883},"21:57:10.442",[722,2021,1214],{"class":749},[722,2023,2024],{"class":736}," [auth-service] POST \u002Fapi\u002Fauth\u002Flogin 200 in 1ms\n",[722,2026,2027,2029,2032],{"class":724,"line":755},[722,2028,1222],{"class":883},[722,2030,2031],{"class":749}," requestId:",[722,2033,2034],{"class":749}," 88ced16a-bef2-4483-86cb-2b4fb677ea52\n",[722,2036,2037,2039,2041,2044],{"class":724,"line":762},[722,2038,1222],{"class":883},[722,2040,1682],{"class":749},[722,2042,2043],{"class":749}," id=user_123",[722,2045,2046],{"class":749}," email=demo@example.com\n",[722,2048,2049,2051,2054],{"class":724,"line":796},[722,2050,1243],{"class":883},[722,2052,2053],{"class":749}," action:",[722,2055,2056],{"class":749}," login\n",[1807,2058,2060],{"id":2059},"explicit-service-parameter","Explicit Service Parameter",[608,2062,2063,2064,815],{},"Override the service name for specific routes using the second parameter of ",[627,2065,629],{},[712,2067,2070],{"className":714,"code":2068,"filename":2069,"language":717,"meta":718,"style":718},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler((event) => {\n  const log = useLogger(event, 'legacy-service')\n\n  log.set({ action: 'process_legacy_request' })\n\n  return { success: true }\n})\n","server\u002Fapi\u002Flegacy\u002Fprocess.post.ts",[627,2071,2072,2090,2094,2114,2139,2143,2170,2174,2188],{"__ignoreMap":718},[722,2073,2074,2076,2078,2080,2082,2084,2086,2088],{"class":724,"line":725},[722,2075,729],{"class":728},[722,2077,733],{"class":732},[722,2079,1408],{"class":736},[722,2081,740],{"class":732},[722,2083,743],{"class":728},[722,2085,746],{"class":732},[722,2087,645],{"class":749},[722,2089,752],{"class":732},[722,2091,2092],{"class":724,"line":755},[722,2093,759],{"emptyLinePlaceholder":758},[722,2095,2096,2098,2100,2102,2104,2106,2108,2110,2112],{"class":724,"line":762},[722,2097,1427],{"class":728},[722,2099,1430],{"class":728},[722,2101,1433],{"class":769},[722,2103,772],{"class":736},[722,2105,772],{"class":732},[722,2107,1445],{"class":1444},[722,2109,1448],{"class":732},[722,2111,1451],{"class":1072},[722,2113,1454],{"class":732},[722,2115,2116,2118,2120,2122,2124,2126,2128,2130,2132,2135,2137],{"class":724,"line":796},[722,2117,1459],{"class":1072},[722,2119,737],{"class":736},[722,2121,1464],{"class":732},[722,2123,1408],{"class":769},[722,2125,772],{"class":811},[722,2127,1445],{"class":736},[722,2129,783],{"class":732},[722,2131,746],{"class":732},[722,2133,2134],{"class":749},"legacy-service",[722,2136,775],{"class":732},[722,2138,793],{"class":811},[722,2140,2141],{"class":724,"line":843},[722,2142,759],{"emptyLinePlaceholder":758},[722,2144,2145,2147,2149,2151,2153,2155,2157,2159,2161,2164,2166,2168],{"class":724,"line":1118},[722,2146,1481],{"class":736},[722,2148,656],{"class":732},[722,2150,1130],{"class":769},[722,2152,772],{"class":811},[722,2154,808],{"class":732},[722,2156,812],{"class":811},[722,2158,815],{"class":732},[722,2160,746],{"class":732},[722,2162,2163],{"class":749},"process_legacy_request",[722,2165,775],{"class":732},[722,2167,740],{"class":732},[722,2169,793],{"class":811},[722,2171,2172],{"class":724,"line":1123},[722,2173,759],{"emptyLinePlaceholder":758},[722,2175,2176,2178,2180,2182,2184,2186],{"class":724,"line":1159},[722,2177,1627],{"class":728},[722,2179,733],{"class":732},[722,2181,1632],{"class":811},[722,2183,815],{"class":732},[722,2185,1638],{"class":1637},[722,2187,1653],{"class":732},[722,2189,2190,2192],{"class":724,"line":1191},[722,2191,1659],{"class":732},[722,2193,793],{"class":736},[617,2195,2196,2199,2200,2202,2203,2206],{"color":619,"icon":13},[622,2197,2198],{},"Priority order:"," Explicit ",[627,2201,629],{}," parameter > Route configuration > ",[627,2204,2205],{},"env.service"," > Auto-detected from environment",[701,2208,2210],{"id":2209},"createerror-structured-errors","createError (Structured Errors)",[608,2212,1748,2213,2216],{},[627,2214,2215],{},"createError()"," to throw errors with actionable context:",[709,2218,2219,2340],{},[712,2220,2222],{"className":714,"code":2221,"filename":1397,"language":717,"meta":718,"style":718},"import { createError } from 'evlog'\n\nthrow 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",[627,2223,2224,2243,2247,2258,2274,2286,2302,2318,2334],{"__ignoreMap":718},[722,2225,2226,2228,2230,2233,2235,2237,2239,2241],{"class":724,"line":725},[722,2227,729],{"class":728},[722,2229,733],{"class":732},[722,2231,2232],{"class":736}," createError",[722,2234,740],{"class":732},[722,2236,743],{"class":728},[722,2238,746],{"class":732},[722,2240,645],{"class":749},[722,2242,752],{"class":732},[722,2244,2245],{"class":724,"line":755},[722,2246,759],{"emptyLinePlaceholder":758},[722,2248,2249,2252,2254,2256],{"class":724,"line":762},[722,2250,2251],{"class":728},"throw",[722,2253,2232],{"class":769},[722,2255,772],{"class":736},[722,2257,1835],{"class":732},[722,2259,2260,2263,2265,2267,2270,2272],{"class":724,"line":796},[722,2261,2262],{"class":811},"  message",[722,2264,815],{"class":732},[722,2266,746],{"class":732},[722,2268,2269],{"class":749},"Payment failed",[722,2271,775],{"class":732},[722,2273,1858],{"class":732},[722,2275,2276,2279,2281,2284],{"class":724,"line":843},[722,2277,2278],{"class":811},"  status",[722,2280,815],{"class":732},[722,2282,2283],{"class":1149}," 402",[722,2285,1858],{"class":732},[722,2287,2288,2291,2293,2295,2298,2300],{"class":724,"line":1118},[722,2289,2290],{"class":811},"  why",[722,2292,815],{"class":732},[722,2294,746],{"class":732},[722,2296,2297],{"class":749},"Card declined by issuer",[722,2299,775],{"class":732},[722,2301,1858],{"class":732},[722,2303,2304,2307,2309,2311,2314,2316],{"class":724,"line":1123},[722,2305,2306],{"class":811},"  fix",[722,2308,815],{"class":732},[722,2310,746],{"class":732},[722,2312,2313],{"class":749},"Try a different payment method",[722,2315,775],{"class":732},[722,2317,1858],{"class":732},[722,2319,2320,2323,2325,2327,2330,2332],{"class":724,"line":1159},[722,2321,2322],{"class":811},"  link",[722,2324,815],{"class":732},[722,2326,746],{"class":732},[722,2328,2329],{"class":749},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[722,2331,775],{"class":732},[722,2333,1858],{"class":732},[722,2335,2336,2338],{"class":724,"line":1191},[722,2337,1659],{"class":732},[722,2339,793],{"class":736},[712,2341,2346],{"className":2342,"code":2343,"filename":2344,"language":2345,"meta":718,"style":718},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"statusCode\": 402,\n  \"message\": \"Payment failed\",\n  \"data\": {\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","Response","json",[627,2347,2348,2352,2369,2389,2402,2421,2439,2456,2461],{"__ignoreMap":718},[722,2349,2350],{"class":724,"line":725},[722,2351,1835],{"class":732},[722,2353,2354,2357,2360,2363,2365,2367],{"class":724,"line":755},[722,2355,2356],{"class":732},"  \"",[722,2358,2359],{"class":1072},"statusCode",[722,2361,2362],{"class":732},"\"",[722,2364,815],{"class":732},[722,2366,2283],{"class":1149},[722,2368,1858],{"class":732},[722,2370,2371,2373,2376,2378,2380,2383,2385,2387],{"class":724,"line":762},[722,2372,2356],{"class":732},[722,2374,2375],{"class":1072},"message",[722,2377,2362],{"class":732},[722,2379,815],{"class":732},[722,2381,2382],{"class":732}," \"",[722,2384,2269],{"class":749},[722,2386,2362],{"class":732},[722,2388,1858],{"class":732},[722,2390,2391,2393,2396,2398,2400],{"class":724,"line":796},[722,2392,2356],{"class":732},[722,2394,2395],{"class":1072},"data",[722,2397,2362],{"class":732},[722,2399,815],{"class":732},[722,2401,1454],{"class":732},[722,2403,2404,2407,2409,2411,2413,2415,2417,2419],{"class":724,"line":843},[722,2405,2406],{"class":732},"    \"",[722,2408,649],{"class":883},[722,2410,2362],{"class":732},[722,2412,815],{"class":732},[722,2414,2382],{"class":732},[722,2416,2297],{"class":749},[722,2418,2362],{"class":732},[722,2420,1858],{"class":732},[722,2422,2423,2425,2427,2429,2431,2433,2435,2437],{"class":724,"line":1118},[722,2424,2406],{"class":732},[722,2426,652],{"class":883},[722,2428,2362],{"class":732},[722,2430,815],{"class":732},[722,2432,2382],{"class":732},[722,2434,2313],{"class":749},[722,2436,2362],{"class":732},[722,2438,1858],{"class":732},[722,2440,2441,2443,2445,2447,2449,2451,2453],{"class":724,"line":1123},[722,2442,2406],{"class":732},[722,2444,655],{"class":883},[722,2446,2362],{"class":732},[722,2448,815],{"class":732},[722,2450,2382],{"class":732},[722,2452,2329],{"class":749},[722,2454,2455],{"class":732},"\"\n",[722,2457,2458],{"class":724,"line":1159},[722,2459,2460],{"class":732},"  }\n",[722,2462,2463],{"class":724,"line":1191},[722,2464,2465],{"class":732},"}\n",[1732,2467,2469],{"id":2468},"error-fields","Error Fields",[1737,2471,2472,2485],{},[1740,2473,2474],{},[1743,2475,2476,2479,2482],{},[1746,2477,2478],{},"Field",[1746,2480,2481],{},"Required",[1746,2483,2484],{},"Description",[1763,2486,2487,2499,2512,2523,2534,2545,2557],{},[1743,2488,2489,2493,2496],{},[1768,2490,2491],{},[627,2492,2375],{},[1768,2494,2495],{},"Yes",[1768,2497,2498],{},"What happened (user-facing)",[1743,2500,2501,2506,2509],{},[1768,2502,2503],{},[627,2504,2505],{},"status",[1768,2507,2508],{},"No",[1768,2510,2511],{},"HTTP status code (default: 500)",[1743,2513,2514,2518,2520],{},[1768,2515,2516],{},[627,2517,649],{},[1768,2519,2508],{},[1768,2521,2522],{},"Technical reason (for debugging)",[1743,2524,2525,2529,2531],{},[1768,2526,2527],{},[627,2528,652],{},[1768,2530,2508],{},[1768,2532,2533],{},"Actionable solution",[1743,2535,2536,2540,2542],{},[1768,2537,2538],{},[627,2539,655],{},[1768,2541,2508],{},[1768,2543,2544],{},"Documentation URL for more info",[1743,2546,2547,2552,2554],{},[1768,2548,2549],{},[627,2550,2551],{},"cause",[1768,2553,2508],{},[1768,2555,2556],{},"Original error (if wrapping)",[1743,2558,2559,2564,2566],{},[1768,2560,2561],{},[627,2562,2563],{},"internal",[1768,2565,2508],{},[1768,2567,2568,2569],{},"Backend-only fields for logs and wide events — never included in HTTP JSON or ",[627,2570,2571],{},"parseError()",[1732,2573,2575],{"id":2574},"frontend-integration","Frontend Integration",[608,2577,1748,2578,2580],{},[627,2579,2571],{}," to extract all error fields on the client:",[712,2582,2585],{"className":714,"code":2583,"filename":2584,"language":717,"meta":718,"style":718},"import { parseError } from 'evlog'\n\nexport async function checkout(cart: Cart) {\n  try {\n    await $fetch('\u002Fapi\u002Fcheckout', { method: 'POST', body: cart })\n  } catch (err) {\n    const error = parseError(err)\n\n    toast.add({\n      title: error.message,\n      description: error.why,\n      color: 'error',\n      actions: error.link\n        ? [{ label: 'Learn more', onClick: () => window.open(error.link) }]\n        : undefined,\n    })\n\n    if (error.fix) {\n      console.info(`Fix: ${error.fix}`)\n    }\n  }\n}\n","composables\u002FuseCheckout.ts",[627,2586,2587,2606,2610,2637,2644,2687,2705,2722,2726,2740,2755,2770,2785,2799,2855,2864,2872,2877,2895,2927,2933,2938],{"__ignoreMap":718},[722,2588,2589,2591,2593,2596,2598,2600,2602,2604],{"class":724,"line":725},[722,2590,729],{"class":728},[722,2592,733],{"class":732},[722,2594,2595],{"class":736}," parseError",[722,2597,740],{"class":732},[722,2599,743],{"class":728},[722,2601,746],{"class":732},[722,2603,645],{"class":749},[722,2605,752],{"class":732},[722,2607,2608],{"class":724,"line":755},[722,2609,759],{"emptyLinePlaceholder":758},[722,2611,2612,2614,2617,2620,2623,2625,2628,2630,2633,2635],{"class":724,"line":762},[722,2613,1427],{"class":728},[722,2615,2616],{"class":1072}," async",[722,2618,2619],{"class":1072}," function",[722,2621,2622],{"class":769}," checkout",[722,2624,772],{"class":732},[722,2626,2627],{"class":1444},"cart",[722,2629,815],{"class":732},[722,2631,2632],{"class":883}," Cart",[722,2634,1448],{"class":732},[722,2636,1454],{"class":732},[722,2638,2639,2642],{"class":724,"line":796},[722,2640,2641],{"class":728},"  try",[722,2643,1454],{"class":732},[722,2645,2646,2649,2652,2654,2656,2658,2660,2662,2664,2666,2668,2670,2672,2674,2676,2679,2681,2683,2685],{"class":724,"line":843},[722,2647,2648],{"class":728},"    await",[722,2650,2651],{"class":769}," $fetch",[722,2653,772],{"class":811},[722,2655,775],{"class":732},[722,2657,1360],{"class":749},[722,2659,775],{"class":732},[722,2661,783],{"class":732},[722,2663,733],{"class":732},[722,2665,1339],{"class":811},[722,2667,815],{"class":732},[722,2669,746],{"class":732},[722,2671,1346],{"class":749},[722,2673,775],{"class":732},[722,2675,783],{"class":732},[722,2677,2678],{"class":811}," body",[722,2680,815],{"class":732},[722,2682,1539],{"class":736},[722,2684,740],{"class":732},[722,2686,793],{"class":811},[722,2688,2689,2692,2695,2697,2700,2703],{"class":724,"line":1118},[722,2690,2691],{"class":732},"  }",[722,2693,2694],{"class":728}," catch",[722,2696,1441],{"class":811},[722,2698,2699],{"class":736},"err",[722,2701,2702],{"class":811},") ",[722,2704,1835],{"class":732},[722,2706,2707,2710,2712,2714,2716,2718,2720],{"class":724,"line":1123},[722,2708,2709],{"class":1072},"    const",[722,2711,827],{"class":736},[722,2713,1464],{"class":732},[722,2715,2595],{"class":769},[722,2717,772],{"class":811},[722,2719,2699],{"class":736},[722,2721,793],{"class":811},[722,2723,2724],{"class":724,"line":1159},[722,2725,759],{"emptyLinePlaceholder":758},[722,2727,2728,2731,2733,2736,2738],{"class":724,"line":1191},[722,2729,2730],{"class":736},"    toast",[722,2732,656],{"class":732},[722,2734,2735],{"class":769},"add",[722,2737,772],{"class":811},[722,2739,1835],{"class":732},[722,2741,2742,2745,2747,2749,2751,2753],{"class":724,"line":1591},[722,2743,2744],{"class":811},"      title",[722,2746,815],{"class":732},[722,2748,827],{"class":736},[722,2750,656],{"class":732},[722,2752,2375],{"class":736},[722,2754,1858],{"class":732},[722,2756,2757,2760,2762,2764,2766,2768],{"class":724,"line":1619},[722,2758,2759],{"class":811},"      description",[722,2761,815],{"class":732},[722,2763,827],{"class":736},[722,2765,656],{"class":732},[722,2767,649],{"class":736},[722,2769,1858],{"class":732},[722,2771,2772,2775,2777,2779,2781,2783],{"class":724,"line":1624},[722,2773,2774],{"class":811},"      color",[722,2776,815],{"class":732},[722,2778,746],{"class":732},[722,2780,803],{"class":749},[722,2782,775],{"class":732},[722,2784,1858],{"class":732},[722,2786,2787,2790,2792,2794,2796],{"class":724,"line":1656},[722,2788,2789],{"class":811},"      actions",[722,2791,815],{"class":732},[722,2793,827],{"class":736},[722,2795,656],{"class":732},[722,2797,2798],{"class":736},"link\n",[722,2800,2801,2804,2806,2808,2811,2813,2815,2818,2820,2822,2825,2827,2830,2832,2835,2837,2840,2842,2844,2846,2848,2850,2852],{"class":724,"line":2002},[722,2802,2803],{"class":732},"        ?",[722,2805,1845],{"class":811},[722,2807,808],{"class":732},[722,2809,2810],{"class":811}," label",[722,2812,815],{"class":732},[722,2814,746],{"class":732},[722,2816,2817],{"class":749},"Learn more",[722,2819,775],{"class":732},[722,2821,783],{"class":732},[722,2823,2824],{"class":769}," onClick",[722,2826,815],{"class":732},[722,2828,2829],{"class":732}," ()",[722,2831,1451],{"class":1072},[722,2833,2834],{"class":736}," window",[722,2836,656],{"class":732},[722,2838,2839],{"class":769},"open",[722,2841,772],{"class":811},[722,2843,803],{"class":736},[722,2845,656],{"class":732},[722,2847,655],{"class":736},[722,2849,2702],{"class":811},[722,2851,1659],{"class":732},[722,2853,2854],{"class":811},"]\n",[722,2856,2858,2861],{"class":724,"line":2857},15,[722,2859,2860],{"class":732},"        :",[722,2862,2863],{"class":732}," undefined,\n",[722,2865,2867,2870],{"class":724,"line":2866},16,[722,2868,2869],{"class":732},"    }",[722,2871,793],{"class":811},[722,2873,2875],{"class":724,"line":2874},17,[722,2876,759],{"emptyLinePlaceholder":758},[722,2878,2880,2883,2885,2887,2889,2891,2893],{"class":724,"line":2879},18,[722,2881,2882],{"class":728},"    if",[722,2884,1441],{"class":811},[722,2886,803],{"class":736},[722,2888,656],{"class":732},[722,2890,652],{"class":736},[722,2892,2702],{"class":811},[722,2894,1835],{"class":732},[722,2896,2898,2901,2903,2905,2907,2910,2913,2916,2918,2920,2922,2925],{"class":724,"line":2897},19,[722,2899,2900],{"class":736},"      console",[722,2902,656],{"class":732},[722,2904,619],{"class":769},[722,2906,772],{"class":811},[722,2908,2909],{"class":732},"`",[722,2911,2912],{"class":749},"Fix: ",[722,2914,2915],{"class":732},"${",[722,2917,803],{"class":736},[722,2919,656],{"class":732},[722,2921,652],{"class":736},[722,2923,2924],{"class":732},"}`",[722,2926,793],{"class":811},[722,2928,2930],{"class":724,"line":2929},20,[722,2931,2932],{"class":732},"    }\n",[722,2934,2936],{"class":724,"line":2935},21,[722,2937,2460],{"class":732},[722,2939,2941],{"class":724,"line":2940},22,[722,2942,2465],{"class":732},[701,2944,2946],{"id":2945},"log-client-side","log (Client-Side)",[608,2948,2949,2950,2952],{},"The same ",[627,2951,633],{}," API works on the client side, outputting to the browser console:",[709,2954,2955,3183],{},[712,2956,2961],{"className":2957,"code":2958,"filename":2959,"language":2960,"meta":718,"style":718},"language-vue shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","\u003Cscript setup lang=\"ts\">\nasync function handleCheckout() {\n  log.info('checkout', 'User initiated checkout')\n\n  try {\n    await $fetch('\u002Fapi\u002Fcheckout', { method: 'POST' })\n    log.info({ action: 'checkout', status: 'success' })\n  } catch (err) {\n    log.error({ action: 'checkout', error: 'failed' })\n  }\n}\n\u003C\u002Fscript>\n","components\u002FCheckoutButton.vue","vue",[627,2962,2963,2989,3003,3031,3035,3041,3073,3113,3127,3166,3170,3174],{"__ignoreMap":718},[722,2964,2965,2968,2971,2974,2977,2979,2981,2984,2986],{"class":724,"line":725},[722,2966,2967],{"class":732},"\u003C",[722,2969,2970],{"class":811},"script",[722,2972,2973],{"class":1072}," setup",[722,2975,2976],{"class":1072}," lang",[722,2978,901],{"class":732},[722,2980,2362],{"class":732},[722,2982,2983],{"class":749},"ts",[722,2985,2362],{"class":732},[722,2987,2988],{"class":732},">\n",[722,2990,2991,2993,2995,2998,3001],{"class":724,"line":755},[722,2992,1438],{"class":1072},[722,2994,2619],{"class":1072},[722,2996,2997],{"class":769}," handleCheckout",[722,2999,3000],{"class":732},"()",[722,3002,1454],{"class":732},[722,3004,3005,3007,3009,3011,3013,3015,3018,3020,3022,3024,3027,3029],{"class":724,"line":762},[722,3006,1481],{"class":736},[722,3008,656],{"class":732},[722,3010,619],{"class":769},[722,3012,772],{"class":811},[722,3014,775],{"class":732},[722,3016,3017],{"class":749},"checkout",[722,3019,775],{"class":732},[722,3021,783],{"class":732},[722,3023,746],{"class":732},[722,3025,3026],{"class":749},"User initiated 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log",[722,3079,656],{"class":732},[722,3081,619],{"class":769},[722,3083,772],{"class":811},[722,3085,808],{"class":732},[722,3087,812],{"class":811},[722,3089,815],{"class":732},[722,3091,746],{"class":732},[722,3093,3017],{"class":749},[722,3095,775],{"class":732},[722,3097,783],{"class":732},[722,3099,3100],{"class":811}," 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Everything else on this page is available when you want it, and nothing breaks while you do not.",[608,3358,3359,3362,3363,3366,3367,3370,3371,3373,3374,3376,3377,3379],{},[627,3360,3361],{},"log.info()"," behaves like ",[627,3364,3365],{},"console.log",", so the first commit is a find-and-replace that changes no behaviour. From there, the two that pay for themselves are ",[627,3368,3369],{},"log.set()",", which adds a field to the event already in flight, and ",[627,3372,2215],{},", which attaches a ",[627,3375,649],{}," and a ",[627,3378,652],{}," to a failure instead of a bare stack.",[608,3381,3382,3383,3385,3386,3388,3389,3394],{},"Migrate one handler at a time. A route still calling ",[627,3384,3365],{}," next to a route using ",[627,3387,3369],{}," is a normal intermediate state, not a broken one: they write to the same place and neither knows about the other. 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Learn the log API, createLogger for wide events, useLogger for requests, and structured errors.","md",[3462,3464],{"label":3418,"icon":44,"to":42,"color":974,"variant":3463},"subtle",{"label":56,"icon":59,"to":57,"color":974,"variant":3463},{},{"icon":28},{"title":25,"description":3459},"D_pWRq2tcU94mRkZhYr0zsAqdGMwbNkkdSjgEUOGW7A",[3470,3472],{"title":20,"path":21,"stem":22,"description":3471,"icon":23,"children":-1},"Install evlog in your TypeScript project. Supports Nuxt, Next.js, SvelteKit, Hono, Express, Fastify, Elysia, NestJS, and standalone scripts.",{"title":30,"path":31,"stem":32,"description":3473,"icon":33,"children":-1},"Choose a TypeScript logging library around the way you debug. See where evlog fits, what to keep from your current setup, and how to try it.",1791054993856]