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OpenTelemetry","\u002Fcompare\u002Fopentelemetry","8.compare\u002F2.opentelemetry",{"title":591,"path":592,"stem":593,"icon":567},"evlog vs LogTape","\u002Fcompare\u002Flogtape","8.compare\u002F3.logtape",{"title":595,"path":596,"stem":597,"icon":567},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","8.compare\u002F4.winston",{"title":599,"path":600,"stem":601,"icon":567},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":603,"title":560,"body":604,"description":3104,"extension":3105,"links":3106,"meta":3110,"navigation":3111,"path":561,"seo":3112,"stem":562,"__hash__":3113},"docs\u002F7.reference\u002F4.best-practices.md",{"type":605,"value":606,"toc":3085},"minimark",[607,611,616,628,706,711,714,717,764,779,787,791,796,799,1043,1047,1050,1661,1664,1873,1877,1880,2385,2389,2393,2396,2400,2439,2443,2493,2497,2522,2526,2529,2713,2717,2832,2836,2839,3048,3060,3064,3081],[608,609,610],"p",{},"A wide event carries every field the request touched, which is what makes it queryable and what makes an accidental secret permanent. This page covers what to keep out, what to redact, and what production costs.",[612,613,615],"h2",{"id":614},"what-not-to-log","What NOT to Log",[608,617,618,619,623,624],{},"The same accumulation that makes a wide event worth querying puts a secret in your drain the moment one reaches ",[620,621,622],"code",{},"log.set",". ",[625,626,627],"strong",{},"Never log:",[629,630,631,647],"table",{},[632,633,634],"thead",{},[635,636,637,641,644],"tr",{},[638,639,640],"th",{},"Category",[638,642,643],{},"Examples",[638,645,646],{},"Risk",[648,649,650,662,673,684,695],"tbody",{},[635,651,652,656,659],{},[653,654,655],"td",{},"Credentials",[653,657,658],{},"Passwords, API keys, tokens, secrets",[653,660,661],{},"Account compromise",[635,663,664,667,670],{},[653,665,666],{},"Payment data",[653,668,669],{},"Full card numbers, CVV, bank accounts",[653,671,672],{},"PCI compliance violation",[635,674,675,678,681],{},[653,676,677],{},"Personal data (PII)",[653,679,680],{},"SSN, passport numbers, driver's license",[653,682,683],{},"Privacy laws (GDPR, CCPA)",[635,685,686,689,692],{},[653,687,688],{},"Health data",[653,690,691],{},"Medical records, diagnoses",[653,693,694],{},"HIPAA violation",[635,696,697,700,703],{},[653,698,699],{},"Authentication",[653,701,702],{},"Session tokens, JWTs, refresh tokens",[653,704,705],{},"Session hijacking",[707,708,710],"callout",{"color":709,"icon":59},"error","Logs are often accessible to your entire team and may be stored in third-party services. Treat them as semi-public.",[612,712,71],{"id":713},"auto-redaction",[608,715,716],{},"The simplest way to protect PII is to enable built-in auto-redaction:",[718,719,725],"pre",{"className":720,"code":721,"filename":722,"language":723,"meta":724,"style":724},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","evlog: {\n  redact: true,\n}\n","nuxt.config.ts","typescript","",[620,726,727,743,758],{"__ignoreMap":724},[728,729,732,736,740],"span",{"class":730,"line":731},"line",1,[728,733,735],{"class":734},"sBMFI","evlog",[728,737,739],{"class":738},"sMK4o",":",[728,741,742],{"class":738}," {\n",[728,744,746,749,751,755],{"class":730,"line":745},2,[728,747,748],{"class":734},"  redact",[728,750,739],{"class":738},[728,752,754],{"class":753},"sfNiH"," true",[728,756,757],{"class":738},",\n",[728,759,761],{"class":730,"line":760},3,[728,762,763],{"class":738},"}\n",[608,765,766,767,770,771,774,775,778],{},"This masks credit cards (",[620,768,769],{},"****1111","), emails (",[620,772,773],{},"a***@***.com","), IPs, phone numbers, JWTs, Bearer tokens, and IBANs in every wide event, before console output and before any drain. See ",[776,777,71],"a",{"href":72}," for the full configuration reference.",[707,780,782,783,786],{"color":781,"icon":388},"success","Auto-redaction is a safety net, not a replacement for careful logging. Always prefer explicit field selection and combine with ",[620,784,785],{},"redact: true"," for defense in depth.",[612,788,790],{"id":789},"sanitize-before-the-field-is-set","Sanitize before the field is set",[792,793,795],"h3",{"id":794},"manual-field-selection","Manual Field Selection",[608,797,798],{},"The safest approach is to explicitly select which fields to log:",[718,800,803],{"className":720,"code":801,"filename":802,"language":723,"meta":724,"style":724},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n  const body = await readBody(event)\n\n  \u002F\u002F ❌ NEVER log the entire request body\n  \u002F\u002F log.set({ body })\n\n  \u002F\u002F ✅ Explicitly select safe fields\n  log.set({\n    user: {\n      id: body.id,\n      email: maskEmail(body.email),\n      \u002F\u002F password: body.password ← NEVER include\n    },\n  })\n})\n","server\u002Fapi\u002Fuser\u002Fupdate.post.ts",[620,804,805,833,839,873,895,917,922,929,935,940,946,963,973,990,1015,1021,1027,1035],{"__ignoreMap":724},[728,806,807,811,814,818,821,824,827,830],{"class":730,"line":731},[728,808,810],{"class":809},"s7zQu","import",[728,812,813],{"class":738}," {",[728,815,817],{"class":816},"sTEyZ"," useLogger",[728,819,820],{"class":738}," }",[728,822,823],{"class":809}," from",[728,825,826],{"class":738}," '",[728,828,735],{"class":829},"sfazB",[728,831,832],{"class":738},"'\n",[728,834,835],{"class":730,"line":745},[728,836,838],{"emptyLinePlaceholder":837},true,"\n",[728,840,841,844,847,851,854,858,861,865,868,871],{"class":730,"line":760},[728,842,843],{"class":809},"export",[728,845,846],{"class":809}," default",[728,848,850],{"class":849},"s2Zo4"," defineEventHandler",[728,852,853],{"class":816},"(",[728,855,857],{"class":856},"spNyl","async",[728,859,860],{"class":738}," (",[728,862,864],{"class":863},"sHdIc","event",[728,866,867],{"class":738},")",[728,869,870],{"class":856}," =>",[728,872,742],{"class":738},[728,874,876,879,882,885,887,890,892],{"class":730,"line":875},4,[728,877,878],{"class":856},"  const",[728,880,881],{"class":816}," log",[728,883,884],{"class":738}," =",[728,886,817],{"class":849},[728,888,853],{"class":889},"swJcz",[728,891,864],{"class":816},[728,893,894],{"class":889},")\n",[728,896,898,900,903,905,908,911,913,915],{"class":730,"line":897},5,[728,899,878],{"class":856},[728,901,902],{"class":816}," body",[728,904,884],{"class":738},[728,906,907],{"class":809}," await",[728,909,910],{"class":849}," readBody",[728,912,853],{"class":889},[728,914,864],{"class":816},[728,916,894],{"class":889},[728,918,920],{"class":730,"line":919},6,[728,921,838],{"emptyLinePlaceholder":837},[728,923,925],{"class":730,"line":924},7,[728,926,928],{"class":927},"sHwdD","  \u002F\u002F ❌ NEVER log the entire request body\n",[728,930,932],{"class":730,"line":931},8,[728,933,934],{"class":927},"  \u002F\u002F log.set({ body })\n",[728,936,938],{"class":730,"line":937},9,[728,939,838],{"emptyLinePlaceholder":837},[728,941,943],{"class":730,"line":942},10,[728,944,945],{"class":927},"  \u002F\u002F ✅ Explicitly select safe fields\n",[728,947,949,952,955,958,960],{"class":730,"line":948},11,[728,950,951],{"class":816},"  log",[728,953,954],{"class":738},".",[728,956,957],{"class":849},"set",[728,959,853],{"class":889},[728,961,962],{"class":738},"{\n",[728,964,966,969,971],{"class":730,"line":965},12,[728,967,968],{"class":889},"    user",[728,970,739],{"class":738},[728,972,742],{"class":738},[728,974,976,979,981,983,985,988],{"class":730,"line":975},13,[728,977,978],{"class":889},"      id",[728,980,739],{"class":738},[728,982,902],{"class":816},[728,984,954],{"class":738},[728,986,987],{"class":816},"id",[728,989,757],{"class":738},[728,991,993,996,998,1001,1003,1006,1008,1011,1013],{"class":730,"line":992},14,[728,994,995],{"class":889},"      email",[728,997,739],{"class":738},[728,999,1000],{"class":849}," maskEmail",[728,1002,853],{"class":889},[728,1004,1005],{"class":816},"body",[728,1007,954],{"class":738},[728,1009,1010],{"class":816},"email",[728,1012,867],{"class":889},[728,1014,757],{"class":738},[728,1016,1018],{"class":730,"line":1017},15,[728,1019,1020],{"class":927},"      \u002F\u002F password: body.password ← NEVER include\n",[728,1022,1024],{"class":730,"line":1023},16,[728,1025,1026],{"class":738},"    },\n",[728,1028,1030,1033],{"class":730,"line":1029},17,[728,1031,1032],{"class":738},"  }",[728,1034,894],{"class":889},[728,1036,1038,1041],{"class":730,"line":1037},18,[728,1039,1040],{"class":738},"}",[728,1042,894],{"class":816},[792,1044,1046],{"id":1045},"helper-functions","Helper Functions",[608,1048,1049],{},"Create utility functions to sanitize common data types:",[1051,1052,1053],"code-collapse",{},[718,1054,1057],{"className":720,"code":1055,"filename":1056,"language":723,"meta":724,"style":724},"\u002F** Masks email: john.doe@example.com → j***.d**@e***.com *\u002F\nexport function maskEmail(email: string): string {\n  const [local, domain] = email.split('@')\n  if (!domain) return '***'\n  const [domainName, tld] = domain.split('.')\n  return `${local[0]}***@${domainName[0]}***.${tld}`\n}\n\n\u002F** Masks card number: 4242424242424242 → ****4242 *\u002F\nexport function maskCard(card: string): string {\n  return `****${card.slice(-4)}`\n}\n\n\u002F** Truncates long IDs for readability *\u002F\nexport function truncateId(id: string, length = 8): string {\n  if (id.length \u003C= length) return id\n  return `${id.slice(0, length)}...`\n}\n\n\u002F** Removes sensitive fields from an object *\u002F\nexport function sanitize\u003CT extends Record\u003Cstring, unknown>>(\n  obj: T,\n  sensitiveKeys: string[] = ['password', 'token', 'secret', 'apiKey', 'authorization']\n): Partial\u003CT> {\n  const result = { ...obj }\n  for (const key of sensitiveKeys) {\n    if (key in result) {\n      delete result[key]\n    }\n  }\n  return result\n}\n","server\u002Futils\u002Fsanitize.ts",[620,1058,1059,1074,1099,1139,1165,1199,1244,1248,1252,1257,1281,1312,1316,1320,1325,1358,1383,1412,1416,1421,1427,1462,1475,1539,1556,1577,1601,1621,1636,1642,1648,1656],{"__ignoreMap":724},[728,1060,1061,1064,1067,1071],{"class":730,"line":731},[728,1062,1063],{"class":927},"\u002F** Masks email: john.doe",[728,1065,1066],{"class":809},"@",[728,1068,1070],{"class":1069},"s6hCs","example",[728,1072,1073],{"class":927},".com → j***.d**@e***.com *\u002F\n",[728,1075,1076,1078,1081,1083,1085,1087,1089,1092,1095,1097],{"class":730,"line":745},[728,1077,843],{"class":809},[728,1079,1080],{"class":856}," function",[728,1082,1000],{"class":849},[728,1084,853],{"class":738},[728,1086,1010],{"class":863},[728,1088,739],{"class":738},[728,1090,1091],{"class":734}," string",[728,1093,1094],{"class":738},"):",[728,1096,1091],{"class":734},[728,1098,742],{"class":738},[728,1100,1101,1103,1106,1109,1112,1115,1118,1120,1123,1125,1128,1130,1133,1135,1137],{"class":730,"line":760},[728,1102,878],{"class":856},[728,1104,1105],{"class":738}," [",[728,1107,1108],{"class":816},"local",[728,1110,1111],{"class":738},",",[728,1113,1114],{"class":816}," domain",[728,1116,1117],{"class":738},"]",[728,1119,884],{"class":738},[728,1121,1122],{"class":816}," email",[728,1124,954],{"class":738},[728,1126,1127],{"class":849},"split",[728,1129,853],{"class":889},[728,1131,1132],{"class":738},"'",[728,1134,1066],{"class":829},[728,1136,1132],{"class":738},[728,1138,894],{"class":889},[728,1140,1141,1144,1146,1149,1152,1155,1158,1160,1163],{"class":730,"line":875},[728,1142,1143],{"class":809},"  if",[728,1145,860],{"class":889},[728,1147,1148],{"class":738},"!",[728,1150,1151],{"class":816},"domain",[728,1153,1154],{"class":889},") ",[728,1156,1157],{"class":809},"return",[728,1159,826],{"class":738},[728,1161,1162],{"class":829},"***",[728,1164,832],{"class":738},[728,1166,1167,1169,1171,1174,1176,1179,1181,1183,1185,1187,1189,1191,1193,1195,1197],{"class":730,"line":897},[728,1168,878],{"class":856},[728,1170,1105],{"class":738},[728,1172,1173],{"class":816},"domainName",[728,1175,1111],{"class":738},[728,1177,1178],{"class":816}," tld",[728,1180,1117],{"class":738},[728,1182,884],{"class":738},[728,1184,1114],{"class":816},[728,1186,954],{"class":738},[728,1188,1127],{"class":849},[728,1190,853],{"class":889},[728,1192,1132],{"class":738},[728,1194,954],{"class":829},[728,1196,1132],{"class":738},[728,1198,894],{"class":889},[728,1200,1201,1204,1207,1210,1214,1216,1218,1221,1224,1227,1229,1231,1233,1236,1238,1241],{"class":730,"line":919},[728,1202,1203],{"class":809},"  return",[728,1205,1206],{"class":738}," `${",[728,1208,1209],{"class":816},"local[",[728,1211,1213],{"class":1212},"sbssI","0",[728,1215,1117],{"class":816},[728,1217,1040],{"class":738},[728,1219,1220],{"class":829},"***@",[728,1222,1223],{"class":738},"${",[728,1225,1226],{"class":816},"domainName[",[728,1228,1213],{"class":1212},[728,1230,1117],{"class":816},[728,1232,1040],{"class":738},[728,1234,1235],{"class":829},"***.",[728,1237,1223],{"class":738},[728,1239,1240],{"class":816},"tld",[728,1242,1243],{"class":738},"}`\n",[728,1245,1246],{"class":730,"line":924},[728,1247,763],{"class":738},[728,1249,1250],{"class":730,"line":931},[728,1251,838],{"emptyLinePlaceholder":837},[728,1253,1254],{"class":730,"line":937},[728,1255,1256],{"class":927},"\u002F** Masks card number: 4242424242424242 → ****4242 *\u002F\n",[728,1258,1259,1261,1263,1266,1268,1271,1273,1275,1277,1279],{"class":730,"line":942},[728,1260,843],{"class":809},[728,1262,1080],{"class":856},[728,1264,1265],{"class":849}," maskCard",[728,1267,853],{"class":738},[728,1269,1270],{"class":863},"card",[728,1272,739],{"class":738},[728,1274,1091],{"class":734},[728,1276,1094],{"class":738},[728,1278,1091],{"class":734},[728,1280,742],{"class":738},[728,1282,1283,1285,1288,1291,1293,1295,1297,1300,1302,1305,1308,1310],{"class":730,"line":948},[728,1284,1203],{"class":809},[728,1286,1287],{"class":738}," `",[728,1289,1290],{"class":829},"****",[728,1292,1223],{"class":738},[728,1294,1270],{"class":816},[728,1296,954],{"class":738},[728,1298,1299],{"class":849},"slice",[728,1301,853],{"class":816},[728,1303,1304],{"class":738},"-",[728,1306,1307],{"class":1212},"4",[728,1309,867],{"class":816},[728,1311,1243],{"class":738},[728,1313,1314],{"class":730,"line":965},[728,1315,763],{"class":738},[728,1317,1318],{"class":730,"line":975},[728,1319,838],{"emptyLinePlaceholder":837},[728,1321,1322],{"class":730,"line":992},[728,1323,1324],{"class":927},"\u002F** Truncates long IDs for readability *\u002F\n",[728,1326,1327,1329,1331,1334,1336,1338,1340,1342,1344,1347,1349,1352,1354,1356],{"class":730,"line":1017},[728,1328,843],{"class":809},[728,1330,1080],{"class":856},[728,1332,1333],{"class":849}," truncateId",[728,1335,853],{"class":738},[728,1337,987],{"class":863},[728,1339,739],{"class":738},[728,1341,1091],{"class":734},[728,1343,1111],{"class":738},[728,1345,1346],{"class":863}," length",[728,1348,884],{"class":738},[728,1350,1351],{"class":1212}," 8",[728,1353,1094],{"class":738},[728,1355,1091],{"class":734},[728,1357,742],{"class":738},[728,1359,1360,1362,1364,1366,1368,1371,1374,1376,1378,1380],{"class":730,"line":1023},[728,1361,1143],{"class":809},[728,1363,860],{"class":889},[728,1365,987],{"class":816},[728,1367,954],{"class":738},[728,1369,1370],{"class":816},"length",[728,1372,1373],{"class":738}," \u003C=",[728,1375,1346],{"class":816},[728,1377,1154],{"class":889},[728,1379,1157],{"class":809},[728,1381,1382],{"class":816}," id\n",[728,1384,1385,1387,1389,1391,1393,1395,1397,1399,1401,1404,1406,1409],{"class":730,"line":1029},[728,1386,1203],{"class":809},[728,1388,1206],{"class":738},[728,1390,987],{"class":816},[728,1392,954],{"class":738},[728,1394,1299],{"class":849},[728,1396,853],{"class":816},[728,1398,1213],{"class":1212},[728,1400,1111],{"class":738},[728,1402,1403],{"class":816}," length)",[728,1405,1040],{"class":738},[728,1407,1408],{"class":829},"...",[728,1410,1411],{"class":738},"`\n",[728,1413,1414],{"class":730,"line":1037},[728,1415,763],{"class":738},[728,1417,1419],{"class":730,"line":1418},19,[728,1420,838],{"emptyLinePlaceholder":837},[728,1422,1424],{"class":730,"line":1423},20,[728,1425,1426],{"class":927},"\u002F** Removes sensitive fields from an object *\u002F\n",[728,1428,1430,1432,1434,1437,1440,1443,1446,1449,1451,1454,1456,1459],{"class":730,"line":1429},21,[728,1431,843],{"class":809},[728,1433,1080],{"class":856},[728,1435,1436],{"class":849}," 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(event) => {\n  const log = useLogger(event)\n  const { user, card } = await readBody(event)\n\n  log.set({\n    user: {\n      id: user.id,\n      email: maskEmail(user.email),\n    },\n    payment: {\n      last4: maskCard(card.number),\n      \u002F\u002F ❌ Never: number, cvv, expiry\n    },\n  })\n})\n","server\u002Fapi\u002Fcheckout.post.ts",[620,1669,1670,1688,1692,1714,1730,1758,1762,1774,1782,1796,1817,1821,1830,1852,1857,1861,1867],{"__ignoreMap":724},[728,1671,1672,1674,1676,1678,1680,1682,1684,1686],{"class":730,"line":731},[728,1673,810],{"class":809},[728,1675,813],{"class":738},[728,1677,817],{"class":816},[728,1679,820],{"class":738},[728,1681,823],{"class":809},[728,1683,826],{"class":738},[728,1685,735],{"class":829},[728,1687,832],{"class":738},[728,1689,1690],{"class":730,"line":745},[728,1691,838],{"emptyLinePlaceholder":837},[728,1693,1694,1696,1698,1700,1702,1704,1706,1708,1710,1712],{"class":730,"line":760},[728,1695,843],{"class":809},[728,1697,846],{"class":809},[728,1699,850],{"class":849},[728,1701,853],{"class":816},[728,1703,857],{"class":856},[728,1705,860],{"class":738},[728,1707,864],{"class":863},[728,1709,867],{"class":738},[728,1711,870],{"class":856},[728,1713,742],{"class":738},[728,1715,1716,1718,1720,1722,1724,1726,1728],{"class":730,"line":875},[728,1717,878],{"class":856},[728,1719,881],{"class":816},[728,1721,884],{"class":738},[728,1723,817],{"class":849},[728,1725,853],{"class":889},[728,1727,864],{"class":816},[728,1729,894],{"class":889},[728,1731,1732,1734,1736,1739,1741,1744,1746,1748,1750,1752,1754,1756],{"class":730,"line":897},[728,1733,878],{"class":856},[728,1735,813],{"class":738},[728,1737,1738],{"class":816}," 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sending to external services:",[718,1881,1884],{"className":720,"code":1882,"filename":1883,"language":723,"meta":724,"style":724},"const SENSITIVE_KEYS = ['password', 'token', 'secret', 'apiKey', 'authorization', 'cookie']\n\nfunction deepSanitize(obj: Record\u003Cstring, unknown>): Record\u003Cstring, unknown> {\n  const result: Record\u003Cstring, unknown> = {}\n\n  for (const [key, value] of Object.entries(obj)) {\n    \u002F\u002F Check if key contains any sensitive keyword (case-insensitive)\n    if (SENSITIVE_KEYS.some(k => key.toLowerCase().includes(k))) {\n      result[key] = '[REDACTED]'\n    } else if (value && typeof value === 'object' && !Array.isArray(value)) {\n      \u002F\u002F Recursively sanitize nested objects\n      result[key] = deepSanitize(value as Record\u003Cstring, unknown>)\n    } else {\n      result[key] = value\n    }\n  }\n\n  return result\n}\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', (ctx) => {\n    \u002F\u002F Sanitize before sending to external service\n    ctx.event = deepSanitize(ctx.event) as typeof ctx.event\n  })\n})\n","server\u002Fplugins\u002Fevlog-sanitize.ts",[620,1885,1886,1946,1950,1991,2016,2020,2058,2063,2108,2129,2184,2189,2224,2232,2247,2251,2255,2259,2265,2269,2273,2295,2332,2337,2373,2379],{"__ignoreMap":724},[728,1887,1888,1890,1893,1895,1897,1899,1901,1903,1905,1907,1909,1911,1913,1915,1917,1919,1921,1923,1925,1927,1929,1931,1933,1935,1937,1939,1942,1944],{"class":730,"line":731},[728,1889,1587],{"class":856},[728,1891,1892],{"class":816}," SENSITIVE_KEYS 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!",[728,2169,2170],{"class":816},"Array",[728,2172,954],{"class":738},[728,2174,2175],{"class":849},"isArray",[728,2177,853],{"class":889},[728,2179,2144],{"class":816},[728,2181,2055],{"class":889},[728,2183,962],{"class":738},[728,2185,2186],{"class":730,"line":948},[728,2187,2188],{"class":927},"      \u002F\u002F Recursively sanitize nested objects\n",[728,2190,2191,2193,2195,2197,2199,2201,2203,2205,2207,2210,2212,2214,2216,2218,2220,2222],{"class":730,"line":965},[728,2192,2112],{"class":816},[728,2194,1631],{"class":889},[728,2196,1611],{"class":816},[728,2198,2119],{"class":889},[728,2200,1490],{"class":738},[728,2202,1957],{"class":849},[728,2204,853],{"class":889},[728,2206,2144],{"class":816},[728,2208,2209],{"class":809}," as",[728,2211,1448],{"class":734},[728,2213,1439],{"class":738},[728,2215,1453],{"class":734},[728,2217,1111],{"class":738},[728,2219,1458],{"class":734},[728,2221,1553],{"class":738},[728,2223,894],{"class":889},[728,2225,2226,2228,2230],{"class":730,"line":975},[728,2227,2133],{"class":738},[728,2229,2136],{"class":809},[728,2231,742],{"class":738},[728,2233,2234,2236,2238,2240,2242,2244],{"class":730,"line":992},[728,2235,2112],{"class":816},[728,2237,1631],{"class":889},[728,2239,1611],{"class":816},[728,2241,2119],{"class":889},[728,2243,1490],{"class":738},[728,2245,2246],{"class":816}," value\n",[728,2248,2249],{"class":730,"line":1017},[728,2250,1641],{"class":738},[728,2252,2253],{"class":730,"line":1023},[728,2254,1647],{"class":738},[728,2256,2257],{"class":730,"line":1029},[728,2258,838],{"emptyLinePlaceholder":837},[728,2260,2261,2263],{"class":730,"line":1037},[728,2262,1203],{"class":809},[728,2264,1655],{"class":816},[728,2266,2267],{"class":730,"line":1418},[728,2268,763],{"class":738},[728,2270,2271],{"class":730,"line":1423},[728,2272,838],{"emptyLinePlaceholder":837},[728,2274,2275,2277,2279,2282,2284,2286,2289,2291,2293],{"class":730,"line":1429},[728,2276,843],{"class":809},[728,2278,846],{"class":809},[728,2280,2281],{"class":849}," defineNitroPlugin",[728,2283,853],{"class":816},[728,2285,853],{"class":738},[728,2287,2288],{"class":863},"nitroApp",[728,2290,867],{"class":738},[728,2292,870],{"class":856},[728,2294,742],{"class":738},[728,2296,2297,2300,2302,2305,2307,2310,2312,2314,2317,2319,2321,2323,2326,2328,2330],{"class":730,"line":1464},[728,2298,2299],{"class":816},"  nitroApp",[728,2301,954],{"class":738},[728,2303,2304],{"class":816},"hooks",[728,2306,954],{"class":738},[728,2308,2309],{"class":849},"hook",[728,2311,853],{"class":889},[728,2313,1132],{"class":738},[728,2315,2316],{"class":829},"evlog:drain",[728,2318,1132],{"class":738},[728,2320,1111],{"class":738},[728,2322,860],{"class":738},[728,2324,2325],{"class":863},"ctx",[728,2327,867],{"class":738},[728,2329,870],{"class":856},[728,2331,742],{"class":738},[728,2333,2334],{"class":730,"line":1477},[728,2335,2336],{"class":927},"    \u002F\u002F Sanitize before sending to external service\n",[728,2338,2339,2342,2344,2346,2348,2350,2352,2354,2356,2358,2360,2363,2365,2368,2370],{"class":730,"line":1541},[728,2340,2341],{"class":816},"    ctx",[728,2343,954],{"class":738},[728,2345,864],{"class":816},[728,2347,884],{"class":738},[728,2349,1957],{"class":849},[728,2351,853],{"class":889},[728,2353,2325],{"class":816},[728,2355,954],{"class":738},[728,2357,864],{"class":816},[728,2359,1154],{"class":889},[728,2361,2362],{"class":809},"as",[728,2364,2150],{"class":738},[728,2366,2367],{"class":816}," ctx",[728,2369,954],{"class":738},[728,2371,2372],{"class":816},"event\n",[728,2374,2375,2377],{"class":730,"line":1558},[728,2376,1032],{"class":738},[728,2378,894],{"class":889},[728,2380,2381,2383],{"class":730,"line":1579},[728,2382,1040],{"class":738},[728,2384,894],{"class":816},[707,2386,2388],{"color":2387,"icon":478},"warning","Drain hook sanitization is a safety net, not a replacement for careful logging practices. Always sanitize at the source.",[612,2390,2392],{"id":2391},"production-checklist","Production Checklist",[608,2394,2395],{},"Before deploying to production, verify:",[792,2397,2399],{"id":2398},"logging-configuration","Logging Configuration",[2401,2402,2405,2418,2424,2430],"ul",{"className":2403},[2404],"contains-task-list",[2406,2407,2410,2414,2415,867],"li",{"className":2408},[2409],"task-list-item",[2411,2412],"input",{"disabled":837,"type":2413},"checkbox"," Service name is set (",[620,2416,2417],{},"env.service",[2406,2419,2421,2423],{"className":2420},[2409],[2411,2422],{"disabled":837,"type":2413}," Sampling is configured for high-traffic routes",[2406,2425,2427,2429],{"className":2426},[2409],[2411,2428],{"disabled":837,"type":2413}," Log draining is set up for external service (Axiom, Loki, etc.)",[2406,2431,2433,2435,2436,867],{"className":2432},[2409],[2411,2434],{"disabled":837,"type":2413}," Pretty mode is disabled in production (",[620,2437,2438],{},"pretty: false",[792,2440,2442],{"id":2441},"data-security","Data Security",[2401,2444,2446,2454,2460,2466,2472,2478,2484],{"className":2445},[2404],[2406,2447,2449,2451,2452,867],{"className":2448},[2409],[2411,2450],{"disabled":837,"type":2413}," Auto-redaction is enabled (",[620,2453,785],{},[2406,2455,2457,2459],{"className":2456},[2409],[2411,2458],{"disabled":837,"type":2413}," No passwords or secrets in logs",[2406,2461,2463,2465],{"className":2462},[2409],[2411,2464],{"disabled":837,"type":2413}," No full credit card numbers (only last 4 digits)",[2406,2467,2469,2471],{"className":2468},[2409],[2411,2470],{"disabled":837,"type":2413}," No API keys or tokens",[2406,2473,2475,2477],{"className":2474},[2409],[2411,2476],{"disabled":837,"type":2413}," PII is masked or omitted (emails, phone numbers)",[2406,2479,2481,2483],{"className":2480},[2409],[2411,2482],{"disabled":837,"type":2413}," Session tokens are not logged",[2406,2485,2487,2489,2490,867],{"className":2486},[2409],[2411,2488],{"disabled":837,"type":2413}," Request bodies are selectively logged (not ",[620,2491,2492],{},"log.set({ body })",[792,2494,2496],{"id":2495},"error-handling","Error Handling",[2401,2498,2500,2510,2516],{"className":2499},[2404],[2406,2501,2503,2505,2506,2509],{"className":2502},[2409],[2411,2504],{"disabled":837,"type":2413}," Errors use ",[620,2507,2508],{},"createError()"," with structured fields",[2406,2511,2513,2515],{"className":2512},[2409],[2411,2514],{"disabled":837,"type":2413}," Sensitive data is not included in error messages",[2406,2517,2519,2521],{"className":2518},[2409],[2411,2520],{"disabled":837,"type":2413}," Stack traces don't expose internal paths in production",[612,2523,2525],{"id":2524},"group-fields-so-they-stay-queryable","Group fields so they stay queryable",[608,2527,2528],{},"Use consistent, grouped field names across your codebase:",[718,2530,2532],{"className":720,"code":2531,"filename":1667,"language":723,"meta":724,"style":724},"\u002F\u002F ✅ Good - grouped and descriptive\nlog.set({\n  user: { id, plan, accountAge },\n  cart: { items, total, currency },\n  payment: { method, provider, last4 },\n})\n\n\u002F\u002F ❌ Bad - flat and abbreviated\nlog.set({\n  uid: '123',\n  n: 3,\n  t: 9999,\n  pm: 'card',\n})\n",[620,2533,2534,2539,2552,2577,2601,2625,2631,2635,2640,2652,2668,2680,2692,2707],{"__ignoreMap":724},[728,2535,2536],{"class":730,"line":731},[728,2537,2538],{"class":927},"\u002F\u002F ✅ Good - grouped and descriptive\n",[728,2540,2541,2544,2546,2548,2550],{"class":730,"line":745},[728,2542,2543],{"class":816},"log",[728,2545,954],{"class":738},[728,2547,957],{"class":849},[728,2549,853],{"class":816},[728,2551,962],{"class":738},[728,2553,2554,2557,2559,2561,2564,2566,2569,2571,2574],{"class":730,"line":760},[728,2555,2556],{"class":889},"  user",[728,2558,739],{"class":738},[728,2560,813],{"class":738},[728,2562,2563],{"class":816}," id",[728,2565,1111],{"class":738},[728,2567,2568],{"class":816}," plan",[728,2570,1111],{"class":738},[728,2572,2573],{"class":816}," accountAge ",[728,2575,2576],{"class":738},"},\n",[728,2578,2579,2582,2584,2586,2589,2591,2594,2596,2599],{"class":730,"line":875},[728,2580,2581],{"class":889},"  cart",[728,2583,739],{"class":738},[728,2585,813],{"class":738},[728,2587,2588],{"class":816}," items",[728,2590,1111],{"class":738},[728,2592,2593],{"class":816}," total",[728,2595,1111],{"class":738},[728,2597,2598],{"class":816}," currency ",[728,2600,2576],{"class":738},[728,2602,2603,2606,2608,2610,2613,2615,2618,2620,2623],{"class":730,"line":897},[728,2604,2605],{"class":889},"  payment",[728,2607,739],{"class":738},[728,2609,813],{"class":738},[728,2611,2612],{"class":816}," method",[728,2614,1111],{"class":738},[728,2616,2617],{"class":816}," provider",[728,2619,1111],{"class":738},[728,2621,2622],{"class":816}," last4 ",[728,2624,2576],{"class":738},[728,2626,2627,2629],{"class":730,"line":919},[728,2628,1040],{"class":738},[728,2630,894],{"class":816},[728,2632,2633],{"class":730,"line":924},[728,2634,838],{"emptyLinePlaceholder":837},[728,2636,2637],{"class":730,"line":931},[728,2638,2639],{"class":927},"\u002F\u002F ❌ Bad - flat and abbreviated\n",[728,2641,2642,2644,2646,2648,2650],{"class":730,"line":937},[728,2643,2543],{"class":816},[728,2645,954],{"class":738},[728,2647,957],{"class":849},[728,2649,853],{"class":816},[728,2651,962],{"class":738},[728,2653,2654,2657,2659,2661,2664,2666],{"class":730,"line":942},[728,2655,2656],{"class":889},"  uid",[728,2658,739],{"class":738},[728,2660,826],{"class":738},[728,2662,2663],{"class":829},"123",[728,2665,1132],{"class":738},[728,2667,757],{"class":738},[728,2669,2670,2673,2675,2678],{"class":730,"line":948},[728,2671,2672],{"class":889},"  n",[728,2674,739],{"class":738},[728,2676,2677],{"class":1212}," 3",[728,2679,757],{"class":738},[728,2681,2682,2685,2687,2690],{"class":730,"line":965},[728,2683,2684],{"class":889},"  t",[728,2686,739],{"class":738},[728,2688,2689],{"class":1212}," 9999",[728,2691,757],{"class":738},[728,2693,2694,2697,2699,2701,2703,2705],{"class":730,"line":975},[728,2695,2696],{"class":889},"  pm",[728,2698,739],{"class":738},[728,2700,826],{"class":738},[728,2702,1270],{"class":829},[728,2704,1132],{"class":738},[728,2706,757],{"class":738},[728,2708,2709,2711],{"class":730,"line":992},[728,2710,1040],{"class":738},[728,2712,894],{"class":816},[792,2714,2716],{"id":2715},"recommended-field-structure","Recommended Field Structure",[629,2718,2719,2728],{},[632,2720,2721],{},[635,2722,2723,2725],{},[638,2724,640],{},[638,2726,2727],{},"Fields",[648,2729,2730,2750,2771,2796,2816],{},[635,2731,2732,2736],{},[653,2733,2734],{},[620,2735,1808],{},[653,2737,2738,2740,2741,2740,2744,2740,2747],{},[620,2739,987],{},", ",[620,2742,2743],{},"plan",[620,2745,2746],{},"role",[620,2748,2749],{},"accountAge",[635,2751,2752,2757],{},[653,2753,2754],{},[620,2755,2756],{},"request",[653,2758,2759,2740,2762,2740,2765,2740,2768],{},[620,2760,2761],{},"method",[620,2763,2764],{},"path",[620,2766,2767],{},"requestId",[620,2769,2770],{},"traceId",[635,2772,2773,2782],{},[653,2774,2775,2778,2779],{},[620,2776,2777],{},"cart"," \u002F ",[620,2780,2781],{},"order",[653,2783,2784,2740,2787,2740,2790,2740,2793],{},[620,2785,2786],{},"items",[620,2788,2789],{},"total",[620,2791,2792],{},"currency",[620,2794,2795],{},"coupon",[635,2797,2798,2803],{},[653,2799,2800],{},[620,2801,2802],{},"payment",[653,2804,2805,2740,2807,2740,2810,2740,2813],{},[620,2806,2761],{},[620,2808,2809],{},"provider",[620,2811,2812],{},"last4",[620,2814,2815],{},"status",[635,2817,2818,2823],{},[653,2819,2820],{},[620,2821,2822],{},"outcome",[653,2824,2825,2740,2827,2740,2830],{},[620,2826,2815],{},[620,2828,2829],{},"duration",[620,2831,709],{},[612,2833,2835],{"id":2834},"decide-what-survives-sampling","Decide what survives sampling",[608,2837,2838],{},"Volume is what you pay for, and a successful request nobody reads costs the same as the one that failed. Keep every error, thin the rest:",[718,2840,2842],{"className":720,"code":2841,"filename":722,"language":723,"meta":724,"style":724},"export default defineNuxtConfig({\n  evlog: {\n    sampling: {\n      \u002F\u002F Head sampling: random percentage per level\n      rates: {\n        info: 10,    \u002F\u002F 10% of success logs\n        warn: 50,    \u002F\u002F 50% of warnings\n        debug: 0,    \u002F\u002F No debug logs in prod\n        error: 100,  \u002F\u002F Always keep errors\n      },\n      \u002F\u002F Tail sampling: force-keep based on outcome\n      keep: [\n        { duration: 1000 },           \u002F\u002F Slow requests (≥1s)\n        { status: 400 },              \u002F\u002F Client\u002Fserver errors\n        { path: '\u002Fapi\u002Fpayments\u002F**' }, \u002F\u002F Critical paths\n      ],\n    },\n  },\n})\n",[620,2843,2844,2857,2866,2875,2880,2889,2904,2919,2934,2949,2954,2959,2969,2988,3005,3026,3033,3037,3042],{"__ignoreMap":724},[728,2845,2846,2848,2850,2853,2855],{"class":730,"line":731},[728,2847,843],{"class":809},[728,2849,846],{"class":809},[728,2851,2852],{"class":849}," defineNuxtConfig",[728,2854,853],{"class":816},[728,2856,962],{"class":738},[728,2858,2859,2862,2864],{"class":730,"line":745},[728,2860,2861],{"class":889},"  evlog",[728,2863,739],{"class":738},[728,2865,742],{"class":738},[728,2867,2868,2871,2873],{"class":730,"line":760},[728,2869,2870],{"class":889},"    sampling",[728,2872,739],{"class":738},[728,2874,742],{"class":738},[728,2876,2877],{"class":730,"line":875},[728,2878,2879],{"class":927},"      \u002F\u002F Head sampling: random percentage per level\n",[728,2881,2882,2885,2887],{"class":730,"line":897},[728,2883,2884],{"class":889},"      rates",[728,2886,739],{"class":738},[728,2888,742],{"class":738},[728,2890,2891,2894,2896,2899,2901],{"class":730,"line":919},[728,2892,2893],{"class":889},"        info",[728,2895,739],{"class":738},[728,2897,2898],{"class":1212}," 10",[728,2900,1111],{"class":738},[728,2902,2903],{"class":927},"    \u002F\u002F 10% of success logs\n",[728,2905,2906,2909,2911,2914,2916],{"class":730,"line":924},[728,2907,2908],{"class":889},"        warn",[728,2910,739],{"class":738},[728,2912,2913],{"class":1212}," 50",[728,2915,1111],{"class":738},[728,2917,2918],{"class":927},"    \u002F\u002F 50% of warnings\n",[728,2920,2921,2924,2926,2929,2931],{"class":730,"line":931},[728,2922,2923],{"class":889},"        debug",[728,2925,739],{"class":738},[728,2927,2928],{"class":1212}," 0",[728,2930,1111],{"class":738},[728,2932,2933],{"class":927},"    \u002F\u002F No debug logs in prod\n",[728,2935,2936,2939,2941,2944,2946],{"class":730,"line":937},[728,2937,2938],{"class":889},"        error",[728,2940,739],{"class":738},[728,2942,2943],{"class":1212}," 100",[728,2945,1111],{"class":738},[728,2947,2948],{"class":927},"  \u002F\u002F Always keep errors\n",[728,2950,2951],{"class":730,"line":942},[728,2952,2953],{"class":738},"      },\n",[728,2955,2956],{"class":730,"line":948},[728,2957,2958],{"class":927},"      \u002F\u002F Tail sampling: force-keep based on outcome\n",[728,2960,2961,2964,2966],{"class":730,"line":965},[728,2962,2963],{"class":889},"      keep",[728,2965,739],{"class":738},[728,2967,2968],{"class":816}," [\n",[728,2970,2971,2974,2977,2979,2982,2985],{"class":730,"line":975},[728,2972,2973],{"class":738},"        {",[728,2975,2976],{"class":889}," duration",[728,2978,739],{"class":738},[728,2980,2981],{"class":1212}," 1000",[728,2983,2984],{"class":738}," },",[728,2986,2987],{"class":927},"           \u002F\u002F Slow requests (≥1s)\n",[728,2989,2990,2992,2995,2997,3000,3002],{"class":730,"line":992},[728,2991,2973],{"class":738},[728,2993,2994],{"class":889}," status",[728,2996,739],{"class":738},[728,2998,2999],{"class":1212}," 400",[728,3001,2984],{"class":738},[728,3003,3004],{"class":927},"              \u002F\u002F Client\u002Fserver errors\n",[728,3006,3007,3009,3012,3014,3016,3019,3021,3023],{"class":730,"line":1017},[728,3008,2973],{"class":738},[728,3010,3011],{"class":889}," path",[728,3013,739],{"class":738},[728,3015,826],{"class":738},[728,3017,3018],{"class":829},"\u002Fapi\u002Fpayments\u002F**",[728,3020,1132],{"class":738},[728,3022,2984],{"class":738},[728,3024,3025],{"class":927}," \u002F\u002F Critical paths\n",[728,3027,3028,3031],{"class":730,"line":1023},[728,3029,3030],{"class":816},"      ]",[728,3032,757],{"class":738},[728,3034,3035],{"class":730,"line":1029},[728,3036,1026],{"class":738},[728,3038,3039],{"class":730,"line":1037},[728,3040,3041],{"class":738},"  },\n",[728,3043,3044,3046],{"class":730,"line":1418},[728,3045,1040],{"class":738},[728,3047,894],{"class":816},[707,3049,3051,3052,3055,3056,954],{"color":3050,"icon":13},"info","Use ",[620,3053,3054],{},"$production"," override to keep full logging in development while sampling in production. See ",[776,3057,3059],{"href":3058},"\u002Fintegrate\u002Fframeworks\u002Fnuxt#sampling","Nuxt framework guide",[612,3061,3063],{"id":3062},"next-steps","Next Steps",[2401,3065,3066,3071,3076],{},[2406,3067,3068,3070],{},[776,3069,71],{"href":72}," - Built-in PII protection with smart masking",[2406,3072,3073,3075],{},[776,3074,51],{"href":52}," - Design effective wide events",[2406,3077,3078,3080],{},[776,3079,56],{"href":57}," - Error handling patterns",[3082,3083,3084],"style",{},"html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sHdIc, html code.shiki .sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}html pre.shiki code .s6hCs, html code.shiki .s6hCs{--shiki-light:#9C3EDA;--shiki-light-font-style:italic;--shiki-default:#C792EA;--shiki-default-font-style:italic;--shiki-dark:#C792EA;--shiki-dark-font-style:italic}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":724,"searchDepth":745,"depth":745,"links":3086},[3087,3088,3089,3094,3099,3102,3103],{"id":614,"depth":745,"text":615},{"id":713,"depth":745,"text":71},{"id":789,"depth":745,"text":790,"children":3090},[3091,3092,3093],{"id":794,"depth":760,"text":795},{"id":1045,"depth":760,"text":1046},{"id":1875,"depth":760,"text":1876},{"id":2391,"depth":745,"text":2392,"children":3095},[3096,3097,3098],{"id":2398,"depth":760,"text":2399},{"id":2441,"depth":760,"text":2442},{"id":2495,"depth":760,"text":2496},{"id":2524,"depth":745,"text":2525,"children":3100},[3101],{"id":2715,"depth":760,"text":2716},{"id":2834,"depth":745,"text":2835},{"id":3062,"depth":745,"text":3063},"Security guidelines, data sanitization, and production tips for evlog. Learn what not to log and how to protect sensitive data.","md",[3107],{"label":148,"icon":146,"to":153,"color":3108,"variant":3109},"neutral","subtle",{},{"icon":388},{"title":560,"description":3104},"a5PqoFHvMTnBLwx5GPlixDs7rst1dAIvm55COq8UyI0",[3115,3117],{"title":555,"path":556,"stem":557,"description":3116,"icon":558,"children":-1},"Build-time optimizations for any Vite-based framework. Auto-init, debug stripping, source location injection, and optional auto-imports.",{"title":564,"path":565,"stem":566,"description":3118,"icon":567,"children":-1},"Choose a logger by context model, extensibility, output, and migration cost, then follow the detailed comparison for your current stack.",1791054011809]