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It's the right tool when you want a field on every event without touching every call site: geo, user agent, trace context, deploy id, tenant id, feature flags, performance tier.",[543,552,553,554,558,559,562,563,566],{},"Use ",[555,556,557],"code",{},"defineEnricher"," from ",[555,560,561],{},"evlog\u002Ftoolkit"," and provide a single ",[555,564,565],{},"compute()"," function returning the value you want to merge into the event, and the toolkit handles error isolation, undefined skipping, and the merge step. Every built-in enricher is built on this same factory.",[568,569,572,575,657],"prompt",{":actions":570,"description":571,"icon":330},"[\"copy\",\"cursor\",\"claude\"]","Write a custom evlog enricher",[543,573,574],{},"Write a custom evlog enricher that adds derived context to every wide event.",[576,577,578,586,595,619,626,631,642,650],"ul",{},[579,580,553,581,558,583,585],"li",{},[555,582,557],{},[555,584,561],{},", never write the merge \u002F error \u002F undefined logic by hand",[579,587,588,589,592,593],{},"Pass ",[555,590,591],{},"{ name, field, compute }"," to ",[555,594,557],{},[579,596,597,600,601,604,605,604,608,604,611,614,615,618],{},[555,598,599],{},"compute(ctx)"," reads from ",[555,602,603],{},"ctx.headers"," \u002F ",[555,606,607],{},"ctx.request",[555,609,610],{},"ctx.response",[555,612,613],{},"ctx.event"," and returns the value to merge (or ",[555,616,617],{},"undefined"," to skip)",[579,620,621,622,625],{},"Keep ",[555,623,624],{},"compute"," pure and fast: no awaitable I\u002FO on the hot path; cache anything expensive at module scope",[579,627,628,630],{},[555,629,557],{}," already handles: error isolation (errors logged, never thrown), single-field merge, overwrite option",[579,632,633,634,637,638,641],{},"Wire the enricher into my framework via the ",[555,635,636],{},"enrich"," option (middleware) or ",[555,639,640],{},"initLogger.enrichers"," (standalone)",[579,643,644,645,558,648],{},"For multiple enrichers, use ",[555,646,647],{},"composeEnrichers([...])",[555,649,561],{},[579,651,652,653,656],{},"For multi-hook features (enrich + drain side-effect, etc.), use ",[555,654,655],{},"definePlugin"," instead",[543,658,659,660,666,667],{},"Docs: ",[661,662,663],"a",{"href":663,"rel":664},"https:\u002F\u002Fwww.evlog.dev\u002Fextend\u002Fcustom-enrichers",[665],"nofollow","\nBuilt-in: ",[661,668,669],{"href":669,"rel":670},"https:\u002F\u002Fwww.evlog.dev\u002Fuse-cases\u002Fenrichers",[665],[672,673,675],"h2",{"id":674},"basic-example","Basic example",[543,677,678],{},"Add deployment metadata to every event. The enricher is the same function everywhere. Only the wiring step differs per framework.",[680,681,682,856,1033,1201],"code-group",{},[683,684,690],"pre",{"className":685,"code":686,"filename":687,"language":688,"meta":689,"style":689},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","\u002F\u002F server\u002Fplugins\u002Fevlog-enrich.ts\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:enrich', (ctx) => {\n    ctx.event.deploymentId = process.env.DEPLOYMENT_ID\n    ctx.event.deployedBy = process.env.DEPLOYED_BY\n  })\n})\n","Nuxt \u002F Nitro","typescript","",[555,691,692,701,736,780,812,839,848],{"__ignoreMap":689},[693,694,697],"span",{"class":695,"line":696},"line",1,[693,698,700],{"class":699},"sHwdD","\u002F\u002F server\u002Fplugins\u002Fevlog-enrich.ts\n",[693,702,704,708,711,715,719,722,726,729,733],{"class":695,"line":703},2,[693,705,707],{"class":706},"s7zQu","export",[693,709,710],{"class":706}," default",[693,712,714],{"class":713},"s2Zo4"," defineNitroPlugin",[693,716,718],{"class":717},"sTEyZ","(",[693,720,718],{"class":721},"sMK4o",[693,723,725],{"class":724},"sHdIc","nitroApp",[693,727,728],{"class":721},")",[693,730,732],{"class":731},"spNyl"," =>",[693,734,735],{"class":721}," {\n",[693,737,739,742,745,748,750,753,756,759,763,765,768,771,774,776,778],{"class":695,"line":738},3,[693,740,741],{"class":717},"  nitroApp",[693,743,744],{"class":721},".",[693,746,747],{"class":717},"hooks",[693,749,744],{"class":721},[693,751,752],{"class":713},"hook",[693,754,718],{"class":755},"swJcz",[693,757,758],{"class":721},"'",[693,760,762],{"class":761},"sfazB","evlog:enrich",[693,764,758],{"class":721},[693,766,767],{"class":721},",",[693,769,770],{"class":721}," (",[693,772,773],{"class":724},"ctx",[693,775,728],{"class":721},[693,777,732],{"class":731},[693,779,735],{"class":721},[693,781,783,786,788,791,793,796,799,802,804,807,809],{"class":695,"line":782},4,[693,784,785],{"class":717},"    ctx",[693,787,744],{"class":721},[693,789,790],{"class":717},"event",[693,792,744],{"class":721},[693,794,795],{"class":717},"deploymentId",[693,797,798],{"class":721}," =",[693,800,801],{"class":717}," process",[693,803,744],{"class":721},[693,805,806],{"class":717},"env",[693,808,744],{"class":721},[693,810,811],{"class":717},"DEPLOYMENT_ID\n",[693,813,815,817,819,821,823,826,828,830,832,834,836],{"class":695,"line":814},5,[693,816,785],{"class":717},[693,818,744],{"class":721},[693,820,790],{"class":717},[693,822,744],{"class":721},[693,824,825],{"class":717},"deployedBy",[693,827,798],{"class":721},[693,829,801],{"class":717},[693,831,744],{"class":721},[693,833,806],{"class":717},[693,835,744],{"class":721},[693,837,838],{"class":717},"DEPLOYED_BY\n",[693,840,842,845],{"class":695,"line":841},6,[693,843,844],{"class":721},"  }",[693,846,847],{"class":755},")\n",[693,849,851,854],{"class":695,"line":850},7,[693,852,853],{"class":721},"}",[693,855,847],{"class":717},[683,857,859],{"className":685,"code":858,"filename":231,"language":688,"meta":689,"style":689},"\u002F\u002F lib\u002Fevlog.ts\nimport { createEvlog } from 'evlog\u002Fnext'\n\nexport const { withEvlog, useLogger, log, createError } = createEvlog({\n  service: 'my-app',\n  enrich: (ctx) => {\n    ctx.event.deploymentId = process.env.DEPLOYMENT_ID\n    ctx.event.deployedBy = process.env.DEPLOYED_BY\n  },\n})\n",[555,860,861,866,892,898,936,954,971,995,1020,1026],{"__ignoreMap":689},[693,862,863],{"class":695,"line":696},[693,864,865],{"class":699},"\u002F\u002F lib\u002Fevlog.ts\n",[693,867,868,871,874,877,880,883,886,889],{"class":695,"line":703},[693,869,870],{"class":706},"import",[693,872,873],{"class":721}," {",[693,875,876],{"class":717}," createEvlog",[693,878,879],{"class":721}," }",[693,881,882],{"class":706}," from",[693,884,885],{"class":721}," '",[693,887,888],{"class":761},"evlog\u002Fnext",[693,890,891],{"class":721},"'\n",[693,893,894],{"class":695,"line":738},[693,895,897],{"emptyLinePlaceholder":896},true,"\n",[693,899,900,902,905,907,910,912,915,917,920,922,925,927,929,931,933],{"class":695,"line":782},[693,901,707],{"class":706},[693,903,904],{"class":731}," const",[693,906,873],{"class":721},[693,908,909],{"class":717}," withEvlog",[693,911,767],{"class":721},[693,913,914],{"class":717}," useLogger",[693,916,767],{"class":721},[693,918,919],{"class":717}," log",[693,921,767],{"class":721},[693,923,924],{"class":717}," createError ",[693,926,853],{"class":721},[693,928,798],{"class":721},[693,930,876],{"class":713},[693,932,718],{"class":717},[693,934,935],{"class":721},"{\n",[693,937,938,941,944,946,949,951],{"class":695,"line":814},[693,939,940],{"class":755},"  service",[693,942,943],{"class":721},":",[693,945,885],{"class":721},[693,947,948],{"class":761},"my-app",[693,950,758],{"class":721},[693,952,953],{"class":721},",\n",[693,955,956,959,961,963,965,967,969],{"class":695,"line":841},[693,957,958],{"class":713},"  enrich",[693,960,943],{"class":721},[693,962,770],{"class":721},[693,964,773],{"class":724},[693,966,728],{"class":721},[693,968,732],{"class":731},[693,970,735],{"class":721},[693,972,973,975,977,979,981,983,985,987,989,991,993],{"class":695,"line":850},[693,974,785],{"class":717},[693,976,744],{"class":721},[693,978,790],{"class":717},[693,980,744],{"class":721},[693,982,795],{"class":717},[693,984,798],{"class":721},[693,986,801],{"class":717},[693,988,744],{"class":721},[693,990,806],{"class":717},[693,992,744],{"class":721},[693,994,811],{"class":717},[693,996,998,1000,1002,1004,1006,1008,1010,1012,1014,1016,1018],{"class":695,"line":997},8,[693,999,785],{"class":717},[693,1001,744],{"class":721},[693,1003,790],{"class":717},[693,1005,744],{"class":721},[693,1007,825],{"class":717},[693,1009,798],{"class":721},[693,1011,801],{"class":717},[693,1013,744],{"class":721},[693,1015,806],{"class":717},[693,1017,744],{"class":721},[693,1019,838],{"class":717},[693,1021,1023],{"class":695,"line":1022},9,[693,1024,1025],{"class":721},"  },\n",[693,1027,1029,1031],{"class":695,"line":1028},10,[693,1030,853],{"class":721},[693,1032,847],{"class":717},[683,1034,1037],{"className":685,"code":1035,"filename":1036,"language":688,"meta":689,"style":689},"import type { EnrichContext } from 'evlog'\n\nconst deployment = (ctx: EnrichContext) => {\n  ctx.event.deploymentId = process.env.DEPLOYMENT_ID\n  ctx.event.deployedBy = process.env.DEPLOYED_BY\n}\n\napp.use(evlog({ enrichers: [deployment] })) \u002F\u002F Hono \u002F Express \u002F Elysia\n\u002F\u002F await app.register(evlog, { enrichers: [deployment] }) \u002F\u002F Fastify\n\u002F\u002F EvlogModule.forRoot({ enrichers: [deployment] }) \u002F\u002F NestJS\n","Hono \u002F Express \u002F Fastify \u002F Elysia \u002F NestJS",[555,1038,1039,1062,1066,1092,1117,1141,1146,1150,1185,1193],{"__ignoreMap":689},[693,1040,1041,1043,1046,1048,1051,1053,1055,1057,1060],{"class":695,"line":696},[693,1042,870],{"class":706},[693,1044,1045],{"class":706}," type",[693,1047,873],{"class":721},[693,1049,1050],{"class":717}," EnrichContext",[693,1052,879],{"class":721},[693,1054,882],{"class":706},[693,1056,885],{"class":721},[693,1058,1059],{"class":761},"evlog",[693,1061,891],{"class":721},[693,1063,1064],{"class":695,"line":703},[693,1065,897],{"emptyLinePlaceholder":896},[693,1067,1068,1071,1074,1077,1079,1081,1083,1086,1088,1090],{"class":695,"line":738},[693,1069,1070],{"class":731},"const",[693,1072,1073],{"class":717}," deployment ",[693,1075,1076],{"class":721},"=",[693,1078,770],{"class":721},[693,1080,773],{"class":724},[693,1082,943],{"class":721},[693,1084,1050],{"class":1085},"sBMFI",[693,1087,728],{"class":721},[693,1089,732],{"class":731},[693,1091,735],{"class":721},[693,1093,1094,1097,1099,1101,1103,1105,1107,1109,1111,1113,1115],{"class":695,"line":782},[693,1095,1096],{"class":717},"  ctx",[693,1098,744],{"class":721},[693,1100,790],{"class":717},[693,1102,744],{"class":721},[693,1104,795],{"class":717},[693,1106,798],{"class":721},[693,1108,801],{"class":717},[693,1110,744],{"class":721},[693,1112,806],{"class":717},[693,1114,744],{"class":721},[693,1116,811],{"class":717},[693,1118,1119,1121,1123,1125,1127,1129,1131,1133,1135,1137,1139],{"class":695,"line":814},[693,1120,1096],{"class":717},[693,1122,744],{"class":721},[693,1124,790],{"class":717},[693,1126,744],{"class":721},[693,1128,825],{"class":717},[693,1130,798],{"class":721},[693,1132,801],{"class":717},[693,1134,744],{"class":721},[693,1136,806],{"class":717},[693,1138,744],{"class":721},[693,1140,838],{"class":717},[693,1142,1143],{"class":695,"line":841},[693,1144,1145],{"class":721},"}\n",[693,1147,1148],{"class":695,"line":850},[693,1149,897],{"emptyLinePlaceholder":896},[693,1151,1152,1155,1157,1160,1162,1164,1166,1169,1172,1174,1177,1179,1182],{"class":695,"line":997},[693,1153,1154],{"class":717},"app",[693,1156,744],{"class":721},[693,1158,1159],{"class":713},"use",[693,1161,718],{"class":717},[693,1163,1059],{"class":713},[693,1165,718],{"class":717},[693,1167,1168],{"class":721},"{",[693,1170,1171],{"class":755}," enrichers",[693,1173,943],{"class":721},[693,1175,1176],{"class":717}," [deployment] ",[693,1178,853],{"class":721},[693,1180,1181],{"class":717},")) ",[693,1183,1184],{"class":699},"\u002F\u002F Hono \u002F Express \u002F Elysia\n",[693,1186,1187,1190],{"class":695,"line":1022},[693,1188,1189],{"class":699},"\u002F\u002F await app.register(evlog, { enrichers: [deployment] })",[693,1191,1192],{"class":699}," \u002F\u002F Fastify\n",[693,1194,1195,1198],{"class":695,"line":1028},[693,1196,1197],{"class":699},"\u002F\u002F EvlogModule.forRoot({ enrichers: [deployment] })",[693,1199,1200],{"class":699}," \u002F\u002F NestJS\n",[683,1202,1204],{"className":685,"code":1203,"filename":286,"language":688,"meta":689,"style":689},"\u002F\u002F index.ts\nimport type { EnrichContext } from 'evlog'\nimport { initLogger } from 'evlog'\n\nconst deployment = (ctx: EnrichContext) => {\n  ctx.event.deploymentId = process.env.DEPLOYMENT_ID\n  ctx.event.deployedBy = process.env.DEPLOYED_BY\n}\n\ninitLogger({ enrichers: [deployment] })\n",[555,1205,1206,1211,1231,1250,1254,1276,1300,1324,1328,1332],{"__ignoreMap":689},[693,1207,1208],{"class":695,"line":696},[693,1209,1210],{"class":699},"\u002F\u002F index.ts\n",[693,1212,1213,1215,1217,1219,1221,1223,1225,1227,1229],{"class":695,"line":703},[693,1214,870],{"class":706},[693,1216,1045],{"class":706},[693,1218,873],{"class":721},[693,1220,1050],{"class":717},[693,1222,879],{"class":721},[693,1224,882],{"class":706},[693,1226,885],{"class":721},[693,1228,1059],{"class":761},[693,1230,891],{"class":721},[693,1232,1233,1235,1237,1240,1242,1244,1246,1248],{"class":695,"line":738},[693,1234,870],{"class":706},[693,1236,873],{"class":721},[693,1238,1239],{"class":717}," initLogger",[693,1241,879],{"class":721},[693,1243,882],{"class":706},[693,1245,885],{"class":721},[693,1247,1059],{"class":761},[693,1249,891],{"class":721},[693,1251,1252],{"class":695,"line":782},[693,1253,897],{"emptyLinePlaceholder":896},[693,1255,1256,1258,1260,1262,1264,1266,1268,1270,1272,1274],{"class":695,"line":814},[693,1257,1070],{"class":731},[693,1259,1073],{"class":717},[693,1261,1076],{"class":721},[693,1263,770],{"class":721},[693,1265,773],{"class":724},[693,1267,943],{"class":721},[693,1269,1050],{"class":1085},[693,1271,728],{"class":721},[693,1273,732],{"class":731},[693,1275,735],{"class":721},[693,1277,1278,1280,1282,1284,1286,1288,1290,1292,1294,1296,1298],{"class":695,"line":841},[693,1279,1096],{"class":717},[693,1281,744],{"class":721},[693,1283,790],{"class":717},[693,1285,744],{"class":721},[693,1287,795],{"class":717},[693,1289,798],{"class":721},[693,1291,801],{"class":717},[693,1293,744],{"class":721},[693,1295,806],{"class":717},[693,1297,744],{"class":721},[693,1299,811],{"class":717},[693,1301,1302,1304,1306,1308,1310,1312,1314,1316,1318,1320,1322],{"class":695,"line":850},[693,1303,1096],{"class":717},[693,1305,744],{"class":721},[693,1307,790],{"class":717},[693,1309,744],{"class":721},[693,1311,825],{"class":717},[693,1313,798],{"class":721},[693,1315,801],{"class":717},[693,1317,744],{"class":721},[693,1319,806],{"class":717},[693,1321,744],{"class":721},[693,1323,838],{"class":717},[693,1325,1326],{"class":695,"line":997},[693,1327,1145],{"class":721},[693,1329,1330],{"class":695,"line":1022},[693,1331,897],{"emptyLinePlaceholder":896},[693,1333,1334,1337,1339,1341,1343,1345,1347,1349],{"class":695,"line":1028},[693,1335,1336],{"class":713},"initLogger",[693,1338,718],{"class":717},[693,1340,1168],{"class":721},[693,1342,1171],{"class":755},[693,1344,943],{"class":721},[693,1346,1176],{"class":717},[693,1348,853],{"class":721},[693,1350,847],{"class":717},[672,1352,1354],{"id":1353},"enrichcontext","EnrichContext",[543,1356,1357,1358,1360,1361,943],{},"The ",[555,1359,762],{}," hook receives an ",[555,1362,1354],{},[683,1364,1367],{"className":685,"code":1365,"filename":1366,"language":688,"meta":689,"style":689},"interface EnrichContext {\n  \u002F** The emitted wide event (mutable) *\u002F\n  event: WideEvent\n  \u002F** Request metadata *\u002F\n  request?: {\n    method?: string\n    path?: string\n    requestId?: string\n  }\n  \u002F** Safe HTTP request headers (sensitive headers filtered out) *\u002F\n  headers?: Record\u003Cstring, string>\n  \u002F** Response metadata *\u002F\n  response?: {\n    status?: number\n    headers?: Record\u003Cstring, string>\n  }\n}\n","enrich-context.ts",[555,1368,1369,1378,1383,1393,1398,1408,1418,1427,1436,1441,1446,1471,1477,1487,1498,1518,1523],{"__ignoreMap":689},[693,1370,1371,1374,1376],{"class":695,"line":696},[693,1372,1373],{"class":731},"interface",[693,1375,1050],{"class":1085},[693,1377,735],{"class":721},[693,1379,1380],{"class":695,"line":703},[693,1381,1382],{"class":699},"  \u002F** The emitted wide event (mutable) *\u002F\n",[693,1384,1385,1388,1390],{"class":695,"line":738},[693,1386,1387],{"class":755},"  event",[693,1389,943],{"class":721},[693,1391,1392],{"class":1085}," WideEvent\n",[693,1394,1395],{"class":695,"line":782},[693,1396,1397],{"class":699},"  \u002F** Request metadata *\u002F\n",[693,1399,1400,1403,1406],{"class":695,"line":814},[693,1401,1402],{"class":755},"  request",[693,1404,1405],{"class":721},"?:",[693,1407,735],{"class":721},[693,1409,1410,1413,1415],{"class":695,"line":841},[693,1411,1412],{"class":755},"    method",[693,1414,1405],{"class":721},[693,1416,1417],{"class":1085}," string\n",[693,1419,1420,1423,1425],{"class":695,"line":850},[693,1421,1422],{"class":755},"    path",[693,1424,1405],{"class":721},[693,1426,1417],{"class":1085},[693,1428,1429,1432,1434],{"class":695,"line":997},[693,1430,1431],{"class":755},"    requestId",[693,1433,1405],{"class":721},[693,1435,1417],{"class":1085},[693,1437,1438],{"class":695,"line":1022},[693,1439,1440],{"class":721},"  }\n",[693,1442,1443],{"class":695,"line":1028},[693,1444,1445],{"class":699},"  \u002F** Safe HTTP request headers (sensitive headers filtered out) *\u002F\n",[693,1447,1449,1452,1454,1457,1460,1463,1465,1468],{"class":695,"line":1448},11,[693,1450,1451],{"class":755},"  headers",[693,1453,1405],{"class":721},[693,1455,1456],{"class":1085}," Record",[693,1458,1459],{"class":721},"\u003C",[693,1461,1462],{"class":1085},"string",[693,1464,767],{"class":721},[693,1466,1467],{"class":1085}," string",[693,1469,1470],{"class":721},">\n",[693,1472,1474],{"class":695,"line":1473},12,[693,1475,1476],{"class":699},"  \u002F** Response metadata *\u002F\n",[693,1478,1480,1483,1485],{"class":695,"line":1479},13,[693,1481,1482],{"class":755},"  response",[693,1484,1405],{"class":721},[693,1486,735],{"class":721},[693,1488,1490,1493,1495],{"class":695,"line":1489},14,[693,1491,1492],{"class":755},"    status",[693,1494,1405],{"class":721},[693,1496,1497],{"class":1085}," number\n",[693,1499,1501,1504,1506,1508,1510,1512,1514,1516],{"class":695,"line":1500},15,[693,1502,1503],{"class":755},"    headers",[693,1505,1405],{"class":721},[693,1507,1456],{"class":1085},[693,1509,1459],{"class":721},[693,1511,1462],{"class":1085},[693,1513,767],{"class":721},[693,1515,1467],{"class":1085},[693,1517,1470],{"class":721},[693,1519,1521],{"class":695,"line":1520},16,[693,1522,1440],{"class":721},[693,1524,1526],{"class":695,"line":1525},17,[693,1527,1145],{"class":721},[1529,1530,1532,1535,1536,1539,1540,1539,1543,1546],"callout",{"color":1531,"icon":376},"success",[547,1533,1534],{},"Security:"," Sensitive headers (",[555,1537,1538],{},"authorization",", ",[555,1541,1542],{},"cookie",[555,1544,1545],{},"x-api-key",", etc.) are automatically filtered and never passed to enrichers.",[672,1548,1550,1551],{"id":1549},"recommended-pattern-defineenricher","Recommended pattern: ",[555,1552,557],{},[543,1554,1555,1556,1558],{},"Every built-in enricher uses this same factory. Provide ",[555,1557,565],{}," and you're done:",[683,1560,1563],{"className":685,"code":1561,"filename":1562,"language":688,"meta":689,"style":689},"import { defineEnricher, getHeader, type EnricherOptions } from 'evlog\u002Ftoolkit'\n\ninterface TenantInfo {\n  id: string\n  org?: string\n}\n\nexport function createTenantEnricher(options: EnricherOptions & { headerName?: string } = {}) {\n  const headerName = options.headerName ?? 'x-tenant-id'\n\n  return defineEnricher\u003CTenantInfo>({\n    name: 'tenant',\n    field: 'tenant',\n    compute: ({ headers }) => {\n      const id = getHeader(headers, headerName)\n      if (!id) return undefined\n      return { id }\n    },\n  }, options)\n}\n","server\u002Futils\u002Fenrichers.ts",[555,1564,1565,1596,1600,1609,1618,1627,1631,1635,1675,1702,1706,1725,1741,1756,1776,1799,1821,1833,1839,1849],{"__ignoreMap":689},[693,1566,1567,1569,1571,1574,1576,1579,1581,1583,1586,1588,1590,1592,1594],{"class":695,"line":696},[693,1568,870],{"class":706},[693,1570,873],{"class":721},[693,1572,1573],{"class":717}," defineEnricher",[693,1575,767],{"class":721},[693,1577,1578],{"class":717}," getHeader",[693,1580,767],{"class":721},[693,1582,1045],{"class":706},[693,1584,1585],{"class":717}," EnricherOptions",[693,1587,879],{"class":721},[693,1589,882],{"class":706},[693,1591,885],{"class":721},[693,1593,561],{"class":761},[693,1595,891],{"class":721},[693,1597,1598],{"class":695,"line":703},[693,1599,897],{"emptyLinePlaceholder":896},[693,1601,1602,1604,1607],{"class":695,"line":738},[693,1603,1373],{"class":731},[693,1605,1606],{"class":1085}," TenantInfo",[693,1608,735],{"class":721},[693,1610,1611,1614,1616],{"class":695,"line":782},[693,1612,1613],{"class":755},"  id",[693,1615,943],{"class":721},[693,1617,1417],{"class":1085},[693,1619,1620,1623,1625],{"class":695,"line":814},[693,1621,1622],{"class":755},"  org",[693,1624,1405],{"class":721},[693,1626,1417],{"class":1085},[693,1628,1629],{"class":695,"line":841},[693,1630,1145],{"class":721},[693,1632,1633],{"class":695,"line":850},[693,1634,897],{"emptyLinePlaceholder":896},[693,1636,1637,1639,1642,1645,1647,1650,1652,1654,1657,1659,1662,1664,1666,1668,1670,1673],{"class":695,"line":997},[693,1638,707],{"class":706},[693,1640,1641],{"class":731}," function",[693,1643,1644],{"class":713}," createTenantEnricher",[693,1646,718],{"class":721},[693,1648,1649],{"class":724},"options",[693,1651,943],{"class":721},[693,1653,1585],{"class":1085},[693,1655,1656],{"class":721}," &",[693,1658,873],{"class":721},[693,1660,1661],{"class":755}," headerName",[693,1663,1405],{"class":721},[693,1665,1467],{"class":1085},[693,1667,879],{"class":721},[693,1669,798],{"class":721},[693,1671,1672],{"class":721}," {})",[693,1674,735],{"class":721},[693,1676,1677,1680,1682,1684,1687,1689,1692,1695,1697,1700],{"class":695,"line":1022},[693,1678,1679],{"class":731},"  const",[693,1681,1661],{"class":717},[693,1683,798],{"class":721},[693,1685,1686],{"class":717}," options",[693,1688,744],{"class":721},[693,1690,1691],{"class":717},"headerName",[693,1693,1694],{"class":721}," ??",[693,1696,885],{"class":721},[693,1698,1699],{"class":761},"x-tenant-id",[693,1701,891],{"class":721},[693,1703,1704],{"class":695,"line":1028},[693,1705,897],{"emptyLinePlaceholder":896},[693,1707,1708,1711,1713,1715,1718,1721,1723],{"class":695,"line":1448},[693,1709,1710],{"class":706},"  return",[693,1712,1573],{"class":713},[693,1714,1459],{"class":721},[693,1716,1717],{"class":1085},"TenantInfo",[693,1719,1720],{"class":721},">",[693,1722,718],{"class":755},[693,1724,935],{"class":721},[693,1726,1727,1730,1732,1734,1737,1739],{"class":695,"line":1473},[693,1728,1729],{"class":755},"    name",[693,1731,943],{"class":721},[693,1733,885],{"class":721},[693,1735,1736],{"class":761},"tenant",[693,1738,758],{"class":721},[693,1740,953],{"class":721},[693,1742,1743,1746,1748,1750,1752,1754],{"class":695,"line":1479},[693,1744,1745],{"class":755},"    field",[693,1747,943],{"class":721},[693,1749,885],{"class":721},[693,1751,1736],{"class":761},[693,1753,758],{"class":721},[693,1755,953],{"class":721},[693,1757,1758,1761,1763,1766,1769,1772,1774],{"class":695,"line":1489},[693,1759,1760],{"class":713},"    compute",[693,1762,943],{"class":721},[693,1764,1765],{"class":721}," ({",[693,1767,1768],{"class":724}," headers",[693,1770,1771],{"class":721}," })",[693,1773,732],{"class":731},[693,1775,735],{"class":721},[693,1777,1778,1781,1784,1786,1788,1790,1793,1795,1797],{"class":695,"line":1500},[693,1779,1780],{"class":731},"      const",[693,1782,1783],{"class":717}," id",[693,1785,798],{"class":721},[693,1787,1578],{"class":713},[693,1789,718],{"class":755},[693,1791,1792],{"class":717},"headers",[693,1794,767],{"class":721},[693,1796,1661],{"class":717},[693,1798,847],{"class":755},[693,1800,1801,1804,1806,1809,1812,1815,1818],{"class":695,"line":1520},[693,1802,1803],{"class":706},"      if",[693,1805,770],{"class":755},[693,1807,1808],{"class":721},"!",[693,1810,1811],{"class":717},"id",[693,1813,1814],{"class":755},") ",[693,1816,1817],{"class":706},"return",[693,1819,1820],{"class":721}," undefined\n",[693,1822,1823,1826,1828,1830],{"class":695,"line":1525},[693,1824,1825],{"class":706},"      return",[693,1827,873],{"class":721},[693,1829,1783],{"class":717},[693,1831,1832],{"class":721}," }\n",[693,1834,1836],{"class":695,"line":1835},18,[693,1837,1838],{"class":721},"    },\n",[693,1840,1842,1845,1847],{"class":695,"line":1841},19,[693,1843,1844],{"class":721},"  },",[693,1846,1686],{"class":717},[693,1848,847],{"class":755},[693,1850,1852],{"class":695,"line":1851},20,[693,1853,1145],{"class":721},[543,1855,1856,1858],{},[555,1857,557],{}," automatically:",[576,1860,1861,1869,1883],{},[579,1862,1863,1864,1866,1867],{},"skips when ",[555,1865,565],{}," returns ",[555,1868,617],{},[579,1870,1871,1872,1875,1876,1879,1880,728],{},"merges the result into ",[555,1873,1874],{},"ctx.event[field]"," via ",[555,1877,1878],{},"mergeEventField"," (respecting ",[555,1881,1882],{},"options.overwrite",[579,1884,1885,1886,1889],{},"catches errors and logs them as ",[555,1887,1888],{},"[evlog\u002F\u003Cname>]"," instead of breaking the pipeline",[543,1891,1892],{},"Wire it like any other enricher:",[680,1894,1895,2009,2154,2255],{},[683,1896,1898],{"className":685,"code":1897,"filename":687,"language":688,"meta":689,"style":689},"\u002F\u002F server\u002Fplugins\u002Fevlog-enrich.ts\nimport { createTenantEnricher } from '~\u002Fserver\u002Futils\u002Fenrichers'\n\nexport default defineNitroPlugin((nitroApp) => {\n  const enrichTenant = createTenantEnricher({ headerName: 'x-org-id' })\n  nitroApp.hooks.hook('evlog:enrich', enrichTenant)\n})\n",[555,1899,1900,1904,1923,1927,1947,1977,2003],{"__ignoreMap":689},[693,1901,1902],{"class":695,"line":696},[693,1903,700],{"class":699},[693,1905,1906,1908,1910,1912,1914,1916,1918,1921],{"class":695,"line":703},[693,1907,870],{"class":706},[693,1909,873],{"class":721},[693,1911,1644],{"class":717},[693,1913,879],{"class":721},[693,1915,882],{"class":706},[693,1917,885],{"class":721},[693,1919,1920],{"class":761},"~\u002Fserver\u002Futils\u002Fenrichers",[693,1922,891],{"class":721},[693,1924,1925],{"class":695,"line":738},[693,1926,897],{"emptyLinePlaceholder":896},[693,1928,1929,1931,1933,1935,1937,1939,1941,1943,1945],{"class":695,"line":782},[693,1930,707],{"class":706},[693,1932,710],{"class":706},[693,1934,714],{"class":713},[693,1936,718],{"class":717},[693,1938,718],{"class":721},[693,1940,725],{"class":724},[693,1942,728],{"class":721},[693,1944,732],{"class":731},[693,1946,735],{"class":721},[693,1948,1949,1951,1954,1956,1958,1960,1962,1964,1966,1968,1971,1973,1975],{"class":695,"line":814},[693,1950,1679],{"class":731},[693,1952,1953],{"class":717}," enrichTenant",[693,1955,798],{"class":721},[693,1957,1644],{"class":713},[693,1959,718],{"class":755},[693,1961,1168],{"class":721},[693,1963,1661],{"class":755},[693,1965,943],{"class":721},[693,1967,885],{"class":721},[693,1969,1970],{"class":761},"x-org-id",[693,1972,758],{"class":721},[693,1974,879],{"class":721},[693,1976,847],{"class":755},[693,1978,1979,1981,1983,1985,1987,1989,1991,1993,1995,1997,1999,2001],{"class":695,"line":841},[693,1980,741],{"class":717},[693,1982,744],{"class":721},[693,1984,747],{"class":717},[693,1986,744],{"class":721},[693,1988,752],{"class":713},[693,1990,718],{"class":755},[693,1992,758],{"class":721},[693,1994,762],{"class":761},[693,1996,758],{"class":721},[693,1998,767],{"class":721},[693,2000,1953],{"class":717},[693,2002,847],{"class":755},[693,2004,2005,2007],{"class":695,"line":850},[693,2006,853],{"class":721},[693,2008,847],{"class":717},[683,2010,2012],{"className":685,"code":2011,"filename":231,"language":688,"meta":689,"style":689},"\u002F\u002F lib\u002Fevlog.ts\nimport { createEvlog } from 'evlog\u002Fnext'\nimport { createTenantEnricher } from '.\u002Fenrichers'\n\nconst enrichTenant = createTenantEnricher({ headerName: 'x-org-id' })\n\nexport const { withEvlog, useLogger, log, createError } = createEvlog({\n  service: 'my-app',\n  enrich: enrichTenant,\n})\n",[555,2013,2014,2018,2036,2055,2059,2088,2092,2124,2138,2148],{"__ignoreMap":689},[693,2015,2016],{"class":695,"line":696},[693,2017,865],{"class":699},[693,2019,2020,2022,2024,2026,2028,2030,2032,2034],{"class":695,"line":703},[693,2021,870],{"class":706},[693,2023,873],{"class":721},[693,2025,876],{"class":717},[693,2027,879],{"class":721},[693,2029,882],{"class":706},[693,2031,885],{"class":721},[693,2033,888],{"class":761},[693,2035,891],{"class":721},[693,2037,2038,2040,2042,2044,2046,2048,2050,2053],{"class":695,"line":738},[693,2039,870],{"class":706},[693,2041,873],{"class":721},[693,2043,1644],{"class":717},[693,2045,879],{"class":721},[693,2047,882],{"class":706},[693,2049,885],{"class":721},[693,2051,2052],{"class":761},".\u002Fenrichers",[693,2054,891],{"class":721},[693,2056,2057],{"class":695,"line":782},[693,2058,897],{"emptyLinePlaceholder":896},[693,2060,2061,2063,2066,2068,2070,2072,2074,2076,2078,2080,2082,2084,2086],{"class":695,"line":814},[693,2062,1070],{"class":731},[693,2064,2065],{"class":717}," enrichTenant ",[693,2067,1076],{"class":721},[693,2069,1644],{"class":713},[693,2071,718],{"class":717},[693,2073,1168],{"class":721},[693,2075,1661],{"class":755},[693,2077,943],{"class":721},[693,2079,885],{"class":721},[693,2081,1970],{"class":761},[693,2083,758],{"class":721},[693,2085,879],{"class":721},[693,2087,847],{"class":717},[693,2089,2090],{"class":695,"line":841},[693,2091,897],{"emptyLinePlaceholder":896},[693,2093,2094,2096,2098,2100,2102,2104,2106,2108,2110,2112,2114,2116,2118,2120,2122],{"class":695,"line":850},[693,2095,707],{"class":706},[693,2097,904],{"class":731},[693,2099,873],{"class":721},[693,2101,909],{"class":717},[693,2103,767],{"class":721},[693,2105,914],{"class":717},[693,2107,767],{"class":721},[693,2109,919],{"class":717},[693,2111,767],{"class":721},[693,2113,924],{"class":717},[693,2115,853],{"class":721},[693,2117,798],{"class":721},[693,2119,876],{"class":713},[693,2121,718],{"class":717},[693,2123,935],{"class":721},[693,2125,2126,2128,2130,2132,2134,2136],{"class":695,"line":997},[693,2127,940],{"class":755},[693,2129,943],{"class":721},[693,2131,885],{"class":721},[693,2133,948],{"class":761},[693,2135,758],{"class":721},[693,2137,953],{"class":721},[693,2139,2140,2142,2144,2146],{"class":695,"line":1022},[693,2141,958],{"class":755},[693,2143,943],{"class":721},[693,2145,1953],{"class":717},[693,2147,953],{"class":721},[693,2149,2150,2152],{"class":695,"line":1028},[693,2151,853],{"class":721},[693,2153,847],{"class":717},[683,2155,2157],{"className":685,"code":2156,"filename":1036,"language":688,"meta":689,"style":689},"import { createTenantEnricher } from '.\u002Fenrichers'\n\nconst enrichTenant = createTenantEnricher({ headerName: 'x-org-id' })\n\napp.use(evlog({ enrichers: [enrichTenant] }))\n\u002F\u002F await app.register(evlog, { enrichers: [enrichTenant] }) \u002F\u002F Fastify\n\u002F\u002F EvlogModule.forRoot({ enrichers: [enrichTenant] }) \u002F\u002F NestJS\n",[555,2158,2159,2177,2181,2209,2213,2241,2248],{"__ignoreMap":689},[693,2160,2161,2163,2165,2167,2169,2171,2173,2175],{"class":695,"line":696},[693,2162,870],{"class":706},[693,2164,873],{"class":721},[693,2166,1644],{"class":717},[693,2168,879],{"class":721},[693,2170,882],{"class":706},[693,2172,885],{"class":721},[693,2174,2052],{"class":761},[693,2176,891],{"class":721},[693,2178,2179],{"class":695,"line":703},[693,2180,897],{"emptyLinePlaceholder":896},[693,2182,2183,2185,2187,2189,2191,2193,2195,2197,2199,2201,2203,2205,2207],{"class":695,"line":738},[693,2184,1070],{"class":731},[693,2186,2065],{"class":717},[693,2188,1076],{"class":721},[693,2190,1644],{"class":713},[693,2192,718],{"class":717},[693,2194,1168],{"class":721},[693,2196,1661],{"class":755},[693,2198,943],{"class":721},[693,2200,885],{"class":721},[693,2202,1970],{"class":761},[693,2204,758],{"class":721},[693,2206,879],{"class":721},[693,2208,847],{"class":717},[693,2210,2211],{"class":695,"line":782},[693,2212,897],{"emptyLinePlaceholder":896},[693,2214,2215,2217,2219,2221,2223,2225,2227,2229,2231,2233,2236,2238],{"class":695,"line":814},[693,2216,1154],{"class":717},[693,2218,744],{"class":721},[693,2220,1159],{"class":713},[693,2222,718],{"class":717},[693,2224,1059],{"class":713},[693,2226,718],{"class":717},[693,2228,1168],{"class":721},[693,2230,1171],{"class":755},[693,2232,943],{"class":721},[693,2234,2235],{"class":717}," [enrichTenant] ",[693,2237,853],{"class":721},[693,2239,2240],{"class":717},"))\n",[693,2242,2243,2246],{"class":695,"line":841},[693,2244,2245],{"class":699},"\u002F\u002F await app.register(evlog, { enrichers: [enrichTenant] })",[693,2247,1192],{"class":699},[693,2249,2250,2253],{"class":695,"line":850},[693,2251,2252],{"class":699},"\u002F\u002F EvlogModule.forRoot({ enrichers: [enrichTenant] })",[693,2254,1200],{"class":699},[683,2256,2258],{"className":685,"code":2257,"filename":286,"language":688,"meta":689,"style":689},"import { initLogger } from 'evlog'\nimport { createTenantEnricher } from '.\u002Fenrichers'\n\ninitLogger({\n  enrichers: [createTenantEnricher({ headerName: 'x-org-id' })],\n})\n",[555,2259,2260,2278,2296,2300,2308,2342],{"__ignoreMap":689},[693,2261,2262,2264,2266,2268,2270,2272,2274,2276],{"class":695,"line":696},[693,2263,870],{"class":706},[693,2265,873],{"class":721},[693,2267,1239],{"class":717},[693,2269,879],{"class":721},[693,2271,882],{"class":706},[693,2273,885],{"class":721},[693,2275,1059],{"class":761},[693,2277,891],{"class":721},[693,2279,2280,2282,2284,2286,2288,2290,2292,2294],{"class":695,"line":703},[693,2281,870],{"class":706},[693,2283,873],{"class":721},[693,2285,1644],{"class":717},[693,2287,879],{"class":721},[693,2289,882],{"class":706},[693,2291,885],{"class":721},[693,2293,2052],{"class":761},[693,2295,891],{"class":721},[693,2297,2298],{"class":695,"line":738},[693,2299,897],{"emptyLinePlaceholder":896},[693,2301,2302,2304,2306],{"class":695,"line":782},[693,2303,1336],{"class":713},[693,2305,718],{"class":717},[693,2307,935],{"class":721},[693,2309,2310,2313,2315,2318,2321,2323,2325,2327,2329,2331,2333,2335,2337,2340],{"class":695,"line":814},[693,2311,2312],{"class":755},"  enrichers",[693,2314,943],{"class":721},[693,2316,2317],{"class":717}," [",[693,2319,2320],{"class":713},"createTenantEnricher",[693,2322,718],{"class":717},[693,2324,1168],{"class":721},[693,2326,1661],{"class":755},[693,2328,943],{"class":721},[693,2330,885],{"class":721},[693,2332,1970],{"class":761},[693,2334,758],{"class":721},[693,2336,879],{"class":721},[693,2338,2339],{"class":717},")]",[693,2341,953],{"class":721},[693,2343,2344,2346],{"class":695,"line":841},[693,2345,853],{"class":721},[693,2347,847],{"class":717},[672,2349,2351],{"id":2350},"combining-with-built-in-enrichers","Combining with built-in enrichers",[543,2353,2354,2355,2358,2359,558,2362,2364],{},"Custom and built-in enrichers compose freely, since they're all just ",[555,2356,2357],{},"(ctx: EnrichContext) => void"," functions. Use ",[555,2360,2361],{},"composeEnrichers",[555,2363,561],{}," to combine them into a single callable:",[683,2366,2369],{"className":685,"code":2367,"filename":2368,"language":688,"meta":689,"style":689},"import { composeEnrichers, defineEnricher } from 'evlog\u002Ftoolkit'\nimport { createDefaultEnrichers } from 'evlog\u002Fenrichers'\n\nconst region = defineEnricher({\n  name: 'region',\n  field: 'region',\n  compute: () => process.env.FLY_REGION ?? process.env.AWS_REGION,\n})\n\nexport const enrich = composeEnrichers([\n  createDefaultEnrichers(), \u002F\u002F userAgent + geo + requestSize + traceContext\n  region,\n])\n","enrichers.ts",[555,2370,2371,2394,2414,2418,2433,2449,2464,2503,2509,2513,2529,2542,2549],{"__ignoreMap":689},[693,2372,2373,2375,2377,2380,2382,2384,2386,2388,2390,2392],{"class":695,"line":696},[693,2374,870],{"class":706},[693,2376,873],{"class":721},[693,2378,2379],{"class":717}," composeEnrichers",[693,2381,767],{"class":721},[693,2383,1573],{"class":717},[693,2385,879],{"class":721},[693,2387,882],{"class":706},[693,2389,885],{"class":721},[693,2391,561],{"class":761},[693,2393,891],{"class":721},[693,2395,2396,2398,2400,2403,2405,2407,2409,2412],{"class":695,"line":703},[693,2397,870],{"class":706},[693,2399,873],{"class":721},[693,2401,2402],{"class":717}," createDefaultEnrichers",[693,2404,879],{"class":721},[693,2406,882],{"class":706},[693,2408,885],{"class":721},[693,2410,2411],{"class":761},"evlog\u002Fenrichers",[693,2413,891],{"class":721},[693,2415,2416],{"class":695,"line":738},[693,2417,897],{"emptyLinePlaceholder":896},[693,2419,2420,2422,2425,2427,2429,2431],{"class":695,"line":782},[693,2421,1070],{"class":731},[693,2423,2424],{"class":717}," region ",[693,2426,1076],{"class":721},[693,2428,1573],{"class":713},[693,2430,718],{"class":717},[693,2432,935],{"class":721},[693,2434,2435,2438,2440,2442,2445,2447],{"class":695,"line":814},[693,2436,2437],{"class":755},"  name",[693,2439,943],{"class":721},[693,2441,885],{"class":721},[693,2443,2444],{"class":761},"region",[693,2446,758],{"class":721},[693,2448,953],{"class":721},[693,2450,2451,2454,2456,2458,2460,2462],{"class":695,"line":841},[693,2452,2453],{"class":755},"  field",[693,2455,943],{"class":721},[693,2457,885],{"class":721},[693,2459,2444],{"class":761},[693,2461,758],{"class":721},[693,2463,953],{"class":721},[693,2465,2466,2469,2471,2474,2476,2478,2480,2482,2484,2487,2490,2492,2494,2496,2498,2501],{"class":695,"line":850},[693,2467,2468],{"class":713},"  compute",[693,2470,943],{"class":721},[693,2472,2473],{"class":721}," ()",[693,2475,732],{"class":731},[693,2477,801],{"class":717},[693,2479,744],{"class":721},[693,2481,806],{"class":717},[693,2483,744],{"class":721},[693,2485,2486],{"class":717},"FLY_REGION ",[693,2488,2489],{"class":721},"??",[693,2491,801],{"class":717},[693,2493,744],{"class":721},[693,2495,806],{"class":717},[693,2497,744],{"class":721},[693,2499,2500],{"class":717},"AWS_REGION",[693,2502,953],{"class":721},[693,2504,2505,2507],{"class":695,"line":997},[693,2506,853],{"class":721},[693,2508,847],{"class":717},[693,2510,2511],{"class":695,"line":1022},[693,2512,897],{"emptyLinePlaceholder":896},[693,2514,2515,2517,2519,2522,2524,2526],{"class":695,"line":1028},[693,2516,707],{"class":706},[693,2518,904],{"class":731},[693,2520,2521],{"class":717}," enrich ",[693,2523,1076],{"class":721},[693,2525,2379],{"class":713},[693,2527,2528],{"class":717},"([\n",[693,2530,2531,2534,2537,2539],{"class":695,"line":1448},[693,2532,2533],{"class":713},"  createDefaultEnrichers",[693,2535,2536],{"class":717},"()",[693,2538,767],{"class":721},[693,2540,2541],{"class":699}," \u002F\u002F userAgent + geo + requestSize + traceContext\n",[693,2543,2544,2547],{"class":695,"line":1473},[693,2545,2546],{"class":717},"  region",[693,2548,953],{"class":721},[693,2550,2551],{"class":695,"line":1479},[693,2552,2553],{"class":717},"])\n",[672,2555,2557],{"id":2556},"more-examples","More examples",[543,2559,2560,2561,2563],{},"Each example below is a plain ",[555,2562,557],{}," call, wired the same way as the basic example, regardless of framework.",[2565,2566,2568],"h3",{"id":2567},"feature-flags","Feature flags",[683,2570,2573],{"className":685,"code":2571,"filename":2572,"language":688,"meta":689,"style":689},"import { defineEnricher } from 'evlog\u002Ftoolkit'\n\nexport const featureFlags = defineEnricher({\n  name: 'feature-flags',\n  field: 'featureFlags',\n  compute: () => ({\n    newCheckout: isEnabled('new-checkout'),\n    betaApi: isEnabled('beta-api'),\n  }),\n})\n","enricher-feature-flags.ts",[555,2574,2575,2593,2597,2614,2628,2643,2657,2680,2702,2710],{"__ignoreMap":689},[693,2576,2577,2579,2581,2583,2585,2587,2589,2591],{"class":695,"line":696},[693,2578,870],{"class":706},[693,2580,873],{"class":721},[693,2582,1573],{"class":717},[693,2584,879],{"class":721},[693,2586,882],{"class":706},[693,2588,885],{"class":721},[693,2590,561],{"class":761},[693,2592,891],{"class":721},[693,2594,2595],{"class":695,"line":703},[693,2596,897],{"emptyLinePlaceholder":896},[693,2598,2599,2601,2603,2606,2608,2610,2612],{"class":695,"line":738},[693,2600,707],{"class":706},[693,2602,904],{"class":731},[693,2604,2605],{"class":717}," featureFlags ",[693,2607,1076],{"class":721},[693,2609,1573],{"class":713},[693,2611,718],{"class":717},[693,2613,935],{"class":721},[693,2615,2616,2618,2620,2622,2624,2626],{"class":695,"line":782},[693,2617,2437],{"class":755},[693,2619,943],{"class":721},[693,2621,885],{"class":721},[693,2623,2567],{"class":761},[693,2625,758],{"class":721},[693,2627,953],{"class":721},[693,2629,2630,2632,2634,2636,2639,2641],{"class":695,"line":814},[693,2631,2453],{"class":755},[693,2633,943],{"class":721},[693,2635,885],{"class":721},[693,2637,2638],{"class":761},"featureFlags",[693,2640,758],{"class":721},[693,2642,953],{"class":721},[693,2644,2645,2647,2649,2651,2653,2655],{"class":695,"line":841},[693,2646,2468],{"class":713},[693,2648,943],{"class":721},[693,2650,2473],{"class":721},[693,2652,732],{"class":731},[693,2654,770],{"class":717},[693,2656,935],{"class":721},[693,2658,2659,2662,2664,2667,2669,2671,2674,2676,2678],{"class":695,"line":850},[693,2660,2661],{"class":755},"    newCheckout",[693,2663,943],{"class":721},[693,2665,2666],{"class":713}," isEnabled",[693,2668,718],{"class":717},[693,2670,758],{"class":721},[693,2672,2673],{"class":761},"new-checkout",[693,2675,758],{"class":721},[693,2677,728],{"class":717},[693,2679,953],{"class":721},[693,2681,2682,2685,2687,2689,2691,2693,2696,2698,2700],{"class":695,"line":997},[693,2683,2684],{"class":755},"    betaApi",[693,2686,943],{"class":721},[693,2688,2666],{"class":713},[693,2690,718],{"class":717},[693,2692,758],{"class":721},[693,2694,2695],{"class":761},"beta-api",[693,2697,758],{"class":721},[693,2699,728],{"class":717},[693,2701,953],{"class":721},[693,2703,2704,2706,2708],{"class":695,"line":1022},[693,2705,844],{"class":721},[693,2707,728],{"class":717},[693,2709,953],{"class":721},[693,2711,2712,2714],{"class":695,"line":1028},[693,2713,853],{"class":721},[693,2715,847],{"class":717},[2565,2717,2719],{"id":2718},"response-time-classification","Response time classification",[683,2721,2724],{"className":685,"code":2722,"filename":2723,"language":688,"meta":689,"style":689},"import { defineEnricher } from 'evlog\u002Ftoolkit'\n\nexport const performanceTier = defineEnricher\u003Cstring>({\n  name: 'performance-tier',\n  field: 'performanceTier',\n  compute: ({ event }) => {\n    const durationMs = event.durationMs\n    if (durationMs === undefined) return undefined\n    if (durationMs \u003C 100) return 'fast'\n    if (durationMs \u003C 500) return 'normal'\n    if (durationMs \u003C 2000) return 'slow'\n    return 'critical'\n  },\n})\n","enricher-perf-tier.ts",[555,2725,2726,2744,2748,2771,2786,2801,2818,2835,2857,2883,2907,2931,2943,2947],{"__ignoreMap":689},[693,2727,2728,2730,2732,2734,2736,2738,2740,2742],{"class":695,"line":696},[693,2729,870],{"class":706},[693,2731,873],{"class":721},[693,2733,1573],{"class":717},[693,2735,879],{"class":721},[693,2737,882],{"class":706},[693,2739,885],{"class":721},[693,2741,561],{"class":761},[693,2743,891],{"class":721},[693,2745,2746],{"class":695,"line":703},[693,2747,897],{"emptyLinePlaceholder":896},[693,2749,2750,2752,2754,2757,2759,2761,2763,2765,2767,2769],{"class":695,"line":738},[693,2751,707],{"class":706},[693,2753,904],{"class":731},[693,2755,2756],{"class":717}," performanceTier ",[693,2758,1076],{"class":721},[693,2760,1573],{"class":713},[693,2762,1459],{"class":721},[693,2764,1462],{"class":1085},[693,2766,1720],{"class":721},[693,2768,718],{"class":717},[693,2770,935],{"class":721},[693,2772,2773,2775,2777,2779,2782,2784],{"class":695,"line":782},[693,2774,2437],{"class":755},[693,2776,943],{"class":721},[693,2778,885],{"class":721},[693,2780,2781],{"class":761},"performance-tier",[693,2783,758],{"class":721},[693,2785,953],{"class":721},[693,2787,2788,2790,2792,2794,2797,2799],{"class":695,"line":814},[693,2789,2453],{"class":755},[693,2791,943],{"class":721},[693,2793,885],{"class":721},[693,2795,2796],{"class":761},"performanceTier",[693,2798,758],{"class":721},[693,2800,953],{"class":721},[693,2802,2803,2805,2807,2809,2812,2814,2816],{"class":695,"line":841},[693,2804,2468],{"class":713},[693,2806,943],{"class":721},[693,2808,1765],{"class":721},[693,2810,2811],{"class":724}," event",[693,2813,1771],{"class":721},[693,2815,732],{"class":731},[693,2817,735],{"class":721},[693,2819,2820,2823,2826,2828,2830,2832],{"class":695,"line":850},[693,2821,2822],{"class":731},"    const",[693,2824,2825],{"class":717}," durationMs",[693,2827,798],{"class":721},[693,2829,2811],{"class":717},[693,2831,744],{"class":721},[693,2833,2834],{"class":717},"durationMs\n",[693,2836,2837,2840,2842,2845,2848,2851,2853,2855],{"class":695,"line":997},[693,2838,2839],{"class":706},"    if",[693,2841,770],{"class":755},[693,2843,2844],{"class":717},"durationMs",[693,2846,2847],{"class":721}," ===",[693,2849,2850],{"class":721}," undefined",[693,2852,1814],{"class":755},[693,2854,1817],{"class":706},[693,2856,1820],{"class":721},[693,2858,2859,2861,2863,2865,2868,2872,2874,2876,2878,2881],{"class":695,"line":1022},[693,2860,2839],{"class":706},[693,2862,770],{"class":755},[693,2864,2844],{"class":717},[693,2866,2867],{"class":721}," \u003C",[693,2869,2871],{"class":2870},"sbssI"," 100",[693,2873,1814],{"class":755},[693,2875,1817],{"class":706},[693,2877,885],{"class":721},[693,2879,2880],{"class":761},"fast",[693,2882,891],{"class":721},[693,2884,2885,2887,2889,2891,2893,2896,2898,2900,2902,2905],{"class":695,"line":1028},[693,2886,2839],{"class":706},[693,2888,770],{"class":755},[693,2890,2844],{"class":717},[693,2892,2867],{"class":721},[693,2894,2895],{"class":2870}," 500",[693,2897,1814],{"class":755},[693,2899,1817],{"class":706},[693,2901,885],{"class":721},[693,2903,2904],{"class":761},"normal",[693,2906,891],{"class":721},[693,2908,2909,2911,2913,2915,2917,2920,2922,2924,2926,2929],{"class":695,"line":1448},[693,2910,2839],{"class":706},[693,2912,770],{"class":755},[693,2914,2844],{"class":717},[693,2916,2867],{"class":721},[693,2918,2919],{"class":2870}," 2000",[693,2921,1814],{"class":755},[693,2923,1817],{"class":706},[693,2925,885],{"class":721},[693,2927,2928],{"class":761},"slow",[693,2930,891],{"class":721},[693,2932,2933,2936,2938,2941],{"class":695,"line":1473},[693,2934,2935],{"class":706},"    return",[693,2937,885],{"class":721},[693,2939,2940],{"class":761},"critical",[693,2942,891],{"class":721},[693,2944,2945],{"class":695,"line":1479},[693,2946,1025],{"class":721},[693,2948,2949,2951],{"class":695,"line":1489},[693,2950,853],{"class":721},[693,2952,847],{"class":717},[672,2954,2956],{"id":2955},"when-to-reach-for-a-plugin-instead","When to reach for a plugin instead",[543,2958,2959,2960,2963],{},"If your feature mixes enrichment with other hooks (e.g. enrich + tail-sample + side-effect on drain), use a ",[661,2961,2962],{"href":470},"plugin"," instead: one cohesive object covering several lifecycle points.",[672,2965,2967],{"id":2966},"next-steps","Next steps",[576,2969,2970,2976,2981],{},[579,2971,2972,2975],{},[661,2973,2974],{"href":429},"Built-in Enrichers",": User Agent, Geo, Request Size, Trace Context",[579,2977,2978,2980],{},[661,2979,469],{"href":470},": multi-hook extensions (drain + enrich + keep in one object)",[579,2982,2983,2985],{},[661,2984,133],{"href":138},": send enriched events to external services",[2987,2988,2989],"style",{},"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 .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 .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sTEyZ, html code.shiki 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