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Enrichers",{"type":606,"value":607,"toc":3059},"minimark",[608,611,620,636,740,745,748,1420,1424,1432,1597,1616,1622,1628,1923,1928,1959,1962,2417,2421,2434,2623,2627,2633,2638,2785,2789,3022,3026,3033,3037,3055],[609,610],"enricher-chain",{},[612,613,614,615,619],"p",{},"An ",[616,617,618],"strong",{},"enricher"," runs on every emitted event before it is printed and before it reaches drains. 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.",[612,621,622,623,627,628,631,632,635],{},"Use ",[624,625,626],"code",{},"defineEnricher"," from ",[624,629,630],{},"evlog\u002Ftoolkit"," and provide a single ",[624,633,634],{},"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.",[637,638,641,644,726],"prompt",{":actions":639,"description":640,"icon":344},"[\"copy\",\"cursor\",\"claude\"]","Write a custom evlog enricher",[612,642,643],{},"Write a custom evlog enricher that adds derived context to every wide event.",[645,646,647,655,664,688,695,700,711,719],"ul",{},[648,649,622,650,627,652,654],"li",{},[624,651,626],{},[624,653,630],{},", never write the merge \u002F error \u002F undefined logic by hand",[648,656,657,658,661,662],{},"Pass ",[624,659,660],{},"{ name, field, compute }"," to ",[624,663,626],{},[648,665,666,669,670,673,674,673,677,673,680,683,684,687],{},[624,667,668],{},"compute(ctx)"," reads from ",[624,671,672],{},"ctx.headers"," \u002F ",[624,675,676],{},"ctx.request",[624,678,679],{},"ctx.response",[624,681,682],{},"ctx.event"," and returns the value to merge (or ",[624,685,686],{},"undefined"," to skip)",[648,689,690,691,694],{},"Keep ",[624,692,693],{},"compute"," pure and fast: no awaitable I\u002FO on the hot path; cache anything expensive at module scope",[648,696,697,699],{},[624,698,626],{}," already handles: error isolation (errors logged, never thrown), single-field merge, overwrite option",[648,701,702,703,706,707,710],{},"Wire the enricher into my framework via the ",[624,704,705],{},"enrich"," option (middleware) or ",[624,708,709],{},"initLogger.enrichers"," (standalone)",[648,712,713,714,627,717],{},"For multiple enrichers, use ",[624,715,716],{},"composeEnrichers([...])",[624,718,630],{},[648,720,721,722,725],{},"For multi-hook features (enrich + drain side-effect, etc.), use ",[624,723,724],{},"definePlugin"," instead",[612,727,728,729,735,736],{},"Docs: ",[730,731,732],"a",{"href":732,"rel":733},"https:\u002F\u002Fwww.evlog.dev\u002Fextend\u002Fcustom-enrichers",[734],"nofollow","\nBuilt-in: ",[730,737,738],{"href":738,"rel":739},"https:\u002F\u002Fwww.evlog.dev\u002Fuse-cases\u002Fenrichers",[734],[741,742,744],"h2",{"id":743},"basic-example","Basic example",[612,746,747],{},"Add deployment metadata to every event. The enricher is the same function everywhere. Only the wiring step differs per framework.",[749,750,751,925,1102,1270],"code-group",{},[752,753,759],"pre",{"className":754,"code":755,"filename":756,"language":757,"meta":758,"style":758},"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","",[624,760,761,770,805,849,881,908,917],{"__ignoreMap":758},[762,763,766],"span",{"class":764,"line":765},"line",1,[762,767,769],{"class":768},"sHwdD","\u002F\u002F server\u002Fplugins\u002Fevlog-enrich.ts\n",[762,771,773,777,780,784,788,791,795,798,802],{"class":764,"line":772},2,[762,774,776],{"class":775},"s7zQu","export",[762,778,779],{"class":775}," default",[762,781,783],{"class":782},"s2Zo4"," defineNitroPlugin",[762,785,787],{"class":786},"sTEyZ","(",[762,789,787],{"class":790},"sMK4o",[762,792,794],{"class":793},"sHdIc","nitroApp",[762,796,797],{"class":790},")",[762,799,801],{"class":800},"spNyl"," =>",[762,803,804],{"class":790}," {\n",[762,806,808,811,814,817,819,822,825,828,832,834,837,840,843,845,847],{"class":764,"line":807},3,[762,809,810],{"class":786},"  nitroApp",[762,812,813],{"class":790},".",[762,815,816],{"class":786},"hooks",[762,818,813],{"class":790},[762,820,821],{"class":782},"hook",[762,823,787],{"class":824},"swJcz",[762,826,827],{"class":790},"'",[762,829,831],{"class":830},"sfazB","evlog:enrich",[762,833,827],{"class":790},[762,835,836],{"class":790},",",[762,838,839],{"class":790}," (",[762,841,842],{"class":793},"ctx",[762,844,797],{"class":790},[762,846,801],{"class":800},[762,848,804],{"class":790},[762,850,852,855,857,860,862,865,868,871,873,876,878],{"class":764,"line":851},4,[762,853,854],{"class":786},"    ctx",[762,856,813],{"class":790},[762,858,859],{"class":786},"event",[762,861,813],{"class":790},[762,863,864],{"class":786},"deploymentId",[762,866,867],{"class":790}," =",[762,869,870],{"class":786}," process",[762,872,813],{"class":790},[762,874,875],{"class":786},"env",[762,877,813],{"class":790},[762,879,880],{"class":786},"DEPLOYMENT_ID\n",[762,882,884,886,888,890,892,895,897,899,901,903,905],{"class":764,"line":883},5,[762,885,854],{"class":786},[762,887,813],{"class":790},[762,889,859],{"class":786},[762,891,813],{"class":790},[762,893,894],{"class":786},"deployedBy",[762,896,867],{"class":790},[762,898,870],{"class":786},[762,900,813],{"class":790},[762,902,875],{"class":786},[762,904,813],{"class":790},[762,906,907],{"class":786},"DEPLOYED_BY\n",[762,909,911,914],{"class":764,"line":910},6,[762,912,913],{"class":790},"  }",[762,915,916],{"class":824},")\n",[762,918,920,923],{"class":764,"line":919},7,[762,921,922],{"class":790},"}",[762,924,916],{"class":786},[752,926,928],{"className":754,"code":927,"filename":245,"language":757,"meta":758,"style":758},"\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",[624,929,930,935,961,967,1005,1023,1040,1064,1089,1095],{"__ignoreMap":758},[762,931,932],{"class":764,"line":765},[762,933,934],{"class":768},"\u002F\u002F lib\u002Fevlog.ts\n",[762,936,937,940,943,946,949,952,955,958],{"class":764,"line":772},[762,938,939],{"class":775},"import",[762,941,942],{"class":790}," {",[762,944,945],{"class":786}," createEvlog",[762,947,948],{"class":790}," }",[762,950,951],{"class":775}," from",[762,953,954],{"class":790}," '",[762,956,957],{"class":830},"evlog\u002Fnext",[762,959,960],{"class":790},"'\n",[762,962,963],{"class":764,"line":807},[762,964,966],{"emptyLinePlaceholder":965},true,"\n",[762,968,969,971,974,976,979,981,984,986,989,991,994,996,998,1000,1002],{"class":764,"line":851},[762,970,776],{"class":775},[762,972,973],{"class":800}," const",[762,975,942],{"class":790},[762,977,978],{"class":786}," withEvlog",[762,980,836],{"class":790},[762,982,983],{"class":786}," useLogger",[762,985,836],{"class":790},[762,987,988],{"class":786}," log",[762,990,836],{"class":790},[762,992,993],{"class":786}," createError ",[762,995,922],{"class":790},[762,997,867],{"class":790},[762,999,945],{"class":782},[762,1001,787],{"class":786},[762,1003,1004],{"class":790},"{\n",[762,1006,1007,1010,1013,1015,1018,1020],{"class":764,"line":883},[762,1008,1009],{"class":824},"  service",[762,1011,1012],{"class":790},":",[762,1014,954],{"class":790},[762,1016,1017],{"class":830},"my-app",[762,1019,827],{"class":790},[762,1021,1022],{"class":790},",\n",[762,1024,1025,1028,1030,1032,1034,1036,1038],{"class":764,"line":910},[762,1026,1027],{"class":782},"  enrich",[762,1029,1012],{"class":790},[762,1031,839],{"class":790},[762,1033,842],{"class":793},[762,1035,797],{"class":790},[762,1037,801],{"class":800},[762,1039,804],{"class":790},[762,1041,1042,1044,1046,1048,1050,1052,1054,1056,1058,1060,1062],{"class":764,"line":919},[762,1043,854],{"class":786},[762,1045,813],{"class":790},[762,1047,859],{"class":786},[762,1049,813],{"class":790},[762,1051,864],{"class":786},[762,1053,867],{"class":790},[762,1055,870],{"class":786},[762,1057,813],{"class":790},[762,1059,875],{"class":786},[762,1061,813],{"class":790},[762,1063,880],{"class":786},[762,1065,1067,1069,1071,1073,1075,1077,1079,1081,1083,1085,1087],{"class":764,"line":1066},8,[762,1068,854],{"class":786},[762,1070,813],{"class":790},[762,1072,859],{"class":786},[762,1074,813],{"class":790},[762,1076,894],{"class":786},[762,1078,867],{"class":790},[762,1080,870],{"class":786},[762,1082,813],{"class":790},[762,1084,875],{"class":786},[762,1086,813],{"class":790},[762,1088,907],{"class":786},[762,1090,1092],{"class":764,"line":1091},9,[762,1093,1094],{"class":790},"  },\n",[762,1096,1098,1100],{"class":764,"line":1097},10,[762,1099,922],{"class":790},[762,1101,916],{"class":786},[752,1103,1106],{"className":754,"code":1104,"filename":1105,"language":757,"meta":758,"style":758},"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",[624,1107,1108,1131,1135,1161,1186,1210,1215,1219,1254,1262],{"__ignoreMap":758},[762,1109,1110,1112,1115,1117,1120,1122,1124,1126,1129],{"class":764,"line":765},[762,1111,939],{"class":775},[762,1113,1114],{"class":775}," type",[762,1116,942],{"class":790},[762,1118,1119],{"class":786}," EnrichContext",[762,1121,948],{"class":790},[762,1123,951],{"class":775},[762,1125,954],{"class":790},[762,1127,1128],{"class":830},"evlog",[762,1130,960],{"class":790},[762,1132,1133],{"class":764,"line":772},[762,1134,966],{"emptyLinePlaceholder":965},[762,1136,1137,1140,1143,1146,1148,1150,1152,1155,1157,1159],{"class":764,"line":807},[762,1138,1139],{"class":800},"const",[762,1141,1142],{"class":786}," deployment ",[762,1144,1145],{"class":790},"=",[762,1147,839],{"class":790},[762,1149,842],{"class":793},[762,1151,1012],{"class":790},[762,1153,1119],{"class":1154},"sBMFI",[762,1156,797],{"class":790},[762,1158,801],{"class":800},[762,1160,804],{"class":790},[762,1162,1163,1166,1168,1170,1172,1174,1176,1178,1180,1182,1184],{"class":764,"line":851},[762,1164,1165],{"class":786},"  ctx",[762,1167,813],{"class":790},[762,1169,859],{"class":786},[762,1171,813],{"class":790},[762,1173,864],{"class":786},[762,1175,867],{"class":790},[762,1177,870],{"class":786},[762,1179,813],{"class":790},[762,1181,875],{"class":786},[762,1183,813],{"class":790},[762,1185,880],{"class":786},[762,1187,1188,1190,1192,1194,1196,1198,1200,1202,1204,1206,1208],{"class":764,"line":883},[762,1189,1165],{"class":786},[762,1191,813],{"class":790},[762,1193,859],{"class":786},[762,1195,813],{"class":790},[762,1197,894],{"class":786},[762,1199,867],{"class":790},[762,1201,870],{"class":786},[762,1203,813],{"class":790},[762,1205,875],{"class":786},[762,1207,813],{"class":790},[762,1209,907],{"class":786},[762,1211,1212],{"class":764,"line":910},[762,1213,1214],{"class":790},"}\n",[762,1216,1217],{"class":764,"line":919},[762,1218,966],{"emptyLinePlaceholder":965},[762,1220,1221,1224,1226,1229,1231,1233,1235,1238,1241,1243,1246,1248,1251],{"class":764,"line":1066},[762,1222,1223],{"class":786},"app",[762,1225,813],{"class":790},[762,1227,1228],{"class":782},"use",[762,1230,787],{"class":786},[762,1232,1128],{"class":782},[762,1234,787],{"class":786},[762,1236,1237],{"class":790},"{",[762,1239,1240],{"class":824}," enrichers",[762,1242,1012],{"class":790},[762,1244,1245],{"class":786}," [deployment] ",[762,1247,922],{"class":790},[762,1249,1250],{"class":786},")) ",[762,1252,1253],{"class":768},"\u002F\u002F Hono \u002F Express \u002F Elysia\n",[762,1255,1256,1259],{"class":764,"line":1091},[762,1257,1258],{"class":768},"\u002F\u002F await app.register(evlog, { enrichers: [deployment] })",[762,1260,1261],{"class":768}," \u002F\u002F Fastify\n",[762,1263,1264,1267],{"class":764,"line":1097},[762,1265,1266],{"class":768},"\u002F\u002F EvlogModule.forRoot({ enrichers: [deployment] })",[762,1268,1269],{"class":768}," \u002F\u002F NestJS\n",[752,1271,1273],{"className":754,"code":1272,"filename":300,"language":757,"meta":758,"style":758},"\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",[624,1274,1275,1280,1300,1319,1323,1345,1369,1393,1397,1401],{"__ignoreMap":758},[762,1276,1277],{"class":764,"line":765},[762,1278,1279],{"class":768},"\u002F\u002F index.ts\n",[762,1281,1282,1284,1286,1288,1290,1292,1294,1296,1298],{"class":764,"line":772},[762,1283,939],{"class":775},[762,1285,1114],{"class":775},[762,1287,942],{"class":790},[762,1289,1119],{"class":786},[762,1291,948],{"class":790},[762,1293,951],{"class":775},[762,1295,954],{"class":790},[762,1297,1128],{"class":830},[762,1299,960],{"class":790},[762,1301,1302,1304,1306,1309,1311,1313,1315,1317],{"class":764,"line":807},[762,1303,939],{"class":775},[762,1305,942],{"class":790},[762,1307,1308],{"class":786}," initLogger",[762,1310,948],{"class":790},[762,1312,951],{"class":775},[762,1314,954],{"class":790},[762,1316,1128],{"class":830},[762,1318,960],{"class":790},[762,1320,1321],{"class":764,"line":851},[762,1322,966],{"emptyLinePlaceholder":965},[762,1324,1325,1327,1329,1331,1333,1335,1337,1339,1341,1343],{"class":764,"line":883},[762,1326,1139],{"class":800},[762,1328,1142],{"class":786},[762,1330,1145],{"class":790},[762,1332,839],{"class":790},[762,1334,842],{"class":793},[762,1336,1012],{"class":790},[762,1338,1119],{"class":1154},[762,1340,797],{"class":790},[762,1342,801],{"class":800},[762,1344,804],{"class":790},[762,1346,1347,1349,1351,1353,1355,1357,1359,1361,1363,1365,1367],{"class":764,"line":910},[762,1348,1165],{"class":786},[762,1350,813],{"class":790},[762,1352,859],{"class":786},[762,1354,813],{"class":790},[762,1356,864],{"class":786},[762,1358,867],{"class":790},[762,1360,870],{"class":786},[762,1362,813],{"class":790},[762,1364,875],{"class":786},[762,1366,813],{"class":790},[762,1368,880],{"class":786},[762,1370,1371,1373,1375,1377,1379,1381,1383,1385,1387,1389,1391],{"class":764,"line":919},[762,1372,1165],{"class":786},[762,1374,813],{"class":790},[762,1376,859],{"class":786},[762,1378,813],{"class":790},[762,1380,894],{"class":786},[762,1382,867],{"class":790},[762,1384,870],{"class":786},[762,1386,813],{"class":790},[762,1388,875],{"class":786},[762,1390,813],{"class":790},[762,1392,907],{"class":786},[762,1394,1395],{"class":764,"line":1066},[762,1396,1214],{"class":790},[762,1398,1399],{"class":764,"line":1091},[762,1400,966],{"emptyLinePlaceholder":965},[762,1402,1403,1406,1408,1410,1412,1414,1416,1418],{"class":764,"line":1097},[762,1404,1405],{"class":782},"initLogger",[762,1407,787],{"class":786},[762,1409,1237],{"class":790},[762,1411,1240],{"class":824},[762,1413,1012],{"class":790},[762,1415,1245],{"class":786},[762,1417,922],{"class":790},[762,1419,916],{"class":786},[741,1421,1423],{"id":1422},"enrichcontext","EnrichContext",[612,1425,1426,1427,1429,1430,1012],{},"The ",[624,1428,831],{}," hook receives an ",[624,1431,1423],{},[752,1433,1436],{"className":754,"code":1434,"filename":1435,"language":757,"meta":758,"style":758},"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",[624,1437,1438,1447,1452,1462,1467,1477,1487,1496,1505,1510,1515,1540,1546,1556,1567,1587,1592],{"__ignoreMap":758},[762,1439,1440,1443,1445],{"class":764,"line":765},[762,1441,1442],{"class":800},"interface",[762,1444,1119],{"class":1154},[762,1446,804],{"class":790},[762,1448,1449],{"class":764,"line":772},[762,1450,1451],{"class":768},"  \u002F** The emitted wide event (mutable) *\u002F\n",[762,1453,1454,1457,1459],{"class":764,"line":807},[762,1455,1456],{"class":824},"  event",[762,1458,1012],{"class":790},[762,1460,1461],{"class":1154}," WideEvent\n",[762,1463,1464],{"class":764,"line":851},[762,1465,1466],{"class":768},"  \u002F** Request metadata *\u002F\n",[762,1468,1469,1472,1475],{"class":764,"line":883},[762,1470,1471],{"class":824},"  request",[762,1473,1474],{"class":790},"?:",[762,1476,804],{"class":790},[762,1478,1479,1482,1484],{"class":764,"line":910},[762,1480,1481],{"class":824},"    method",[762,1483,1474],{"class":790},[762,1485,1486],{"class":1154}," string\n",[762,1488,1489,1492,1494],{"class":764,"line":919},[762,1490,1491],{"class":824},"    path",[762,1493,1474],{"class":790},[762,1495,1486],{"class":1154},[762,1497,1498,1501,1503],{"class":764,"line":1066},[762,1499,1500],{"class":824},"    requestId",[762,1502,1474],{"class":790},[762,1504,1486],{"class":1154},[762,1506,1507],{"class":764,"line":1091},[762,1508,1509],{"class":790},"  }\n",[762,1511,1512],{"class":764,"line":1097},[762,1513,1514],{"class":768},"  \u002F** Safe HTTP request headers (sensitive headers filtered out) *\u002F\n",[762,1516,1518,1521,1523,1526,1529,1532,1534,1537],{"class":764,"line":1517},11,[762,1519,1520],{"class":824},"  headers",[762,1522,1474],{"class":790},[762,1524,1525],{"class":1154}," Record",[762,1527,1528],{"class":790},"\u003C",[762,1530,1531],{"class":1154},"string",[762,1533,836],{"class":790},[762,1535,1536],{"class":1154}," string",[762,1538,1539],{"class":790},">\n",[762,1541,1543],{"class":764,"line":1542},12,[762,1544,1545],{"class":768},"  \u002F** Response metadata *\u002F\n",[762,1547,1549,1552,1554],{"class":764,"line":1548},13,[762,1550,1551],{"class":824},"  response",[762,1553,1474],{"class":790},[762,1555,804],{"class":790},[762,1557,1559,1562,1564],{"class":764,"line":1558},14,[762,1560,1561],{"class":824},"    status",[762,1563,1474],{"class":790},[762,1565,1566],{"class":1154}," number\n",[762,1568,1570,1573,1575,1577,1579,1581,1583,1585],{"class":764,"line":1569},15,[762,1571,1572],{"class":824},"    headers",[762,1574,1474],{"class":790},[762,1576,1525],{"class":1154},[762,1578,1528],{"class":790},[762,1580,1531],{"class":1154},[762,1582,836],{"class":790},[762,1584,1536],{"class":1154},[762,1586,1539],{"class":790},[762,1588,1590],{"class":764,"line":1589},16,[762,1591,1509],{"class":790},[762,1593,1595],{"class":764,"line":1594},17,[762,1596,1214],{"class":790},[1598,1599,1601,1604,1605,1608,1609,1608,1612,1615],"callout",{"color":1600,"icon":388},"success",[616,1602,1603],{},"Security:"," Sensitive headers (",[624,1606,1607],{},"authorization",", ",[624,1610,1611],{},"cookie",[624,1613,1614],{},"x-api-key",", etc.) are automatically filtered and never passed to enrichers.",[741,1617,1619,1620],{"id":1618},"recommended-pattern-defineenricher","Recommended pattern: ",[624,1621,626],{},[612,1623,1624,1625,1627],{},"Every built-in enricher uses this same factory. Provide ",[624,1626,634],{}," and you're done:",[752,1629,1632],{"className":754,"code":1630,"filename":1631,"language":757,"meta":758,"style":758},"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",[624,1633,1634,1665,1669,1678,1687,1696,1700,1704,1744,1771,1775,1794,1810,1825,1845,1868,1890,1902,1908,1918],{"__ignoreMap":758},[762,1635,1636,1638,1640,1643,1645,1648,1650,1652,1655,1657,1659,1661,1663],{"class":764,"line":765},[762,1637,939],{"class":775},[762,1639,942],{"class":790},[762,1641,1642],{"class":786}," defineEnricher",[762,1644,836],{"class":790},[762,1646,1647],{"class":786}," getHeader",[762,1649,836],{"class":790},[762,1651,1114],{"class":775},[762,1653,1654],{"class":786}," EnricherOptions",[762,1656,948],{"class":790},[762,1658,951],{"class":775},[762,1660,954],{"class":790},[762,1662,630],{"class":830},[762,1664,960],{"class":790},[762,1666,1667],{"class":764,"line":772},[762,1668,966],{"emptyLinePlaceholder":965},[762,1670,1671,1673,1676],{"class":764,"line":807},[762,1672,1442],{"class":800},[762,1674,1675],{"class":1154}," TenantInfo",[762,1677,804],{"class":790},[762,1679,1680,1683,1685],{"class":764,"line":851},[762,1681,1682],{"class":824},"  id",[762,1684,1012],{"class":790},[762,1686,1486],{"class":1154},[762,1688,1689,1692,1694],{"class":764,"line":883},[762,1690,1691],{"class":824},"  org",[762,1693,1474],{"class":790},[762,1695,1486],{"class":1154},[762,1697,1698],{"class":764,"line":910},[762,1699,1214],{"class":790},[762,1701,1702],{"class":764,"line":919},[762,1703,966],{"emptyLinePlaceholder":965},[762,1705,1706,1708,1711,1714,1716,1719,1721,1723,1726,1728,1731,1733,1735,1737,1739,1742],{"class":764,"line":1066},[762,1707,776],{"class":775},[762,1709,1710],{"class":800}," function",[762,1712,1713],{"class":782}," createTenantEnricher",[762,1715,787],{"class":790},[762,1717,1718],{"class":793},"options",[762,1720,1012],{"class":790},[762,1722,1654],{"class":1154},[762,1724,1725],{"class":790}," &",[762,1727,942],{"class":790},[762,1729,1730],{"class":824}," headerName",[762,1732,1474],{"class":790},[762,1734,1536],{"class":1154},[762,1736,948],{"class":790},[762,1738,867],{"class":790},[762,1740,1741],{"class":790}," {})",[762,1743,804],{"class":790},[762,1745,1746,1749,1751,1753,1756,1758,1761,1764,1766,1769],{"class":764,"line":1091},[762,1747,1748],{"class":800},"  const",[762,1750,1730],{"class":786},[762,1752,867],{"class":790},[762,1754,1755],{"class":786}," options",[762,1757,813],{"class":790},[762,1759,1760],{"class":786},"headerName",[762,1762,1763],{"class":790}," ??",[762,1765,954],{"class":790},[762,1767,1768],{"class":830},"x-tenant-id",[762,1770,960],{"class":790},[762,1772,1773],{"class":764,"line":1097},[762,1774,966],{"emptyLinePlaceholder":965},[762,1776,1777,1780,1782,1784,1787,1790,1792],{"class":764,"line":1517},[762,1778,1779],{"class":775},"  return",[762,1781,1642],{"class":782},[762,1783,1528],{"class":790},[762,1785,1786],{"class":1154},"TenantInfo",[762,1788,1789],{"class":790},">",[762,1791,787],{"class":824},[762,1793,1004],{"class":790},[762,1795,1796,1799,1801,1803,1806,1808],{"class":764,"line":1542},[762,1797,1798],{"class":824},"    name",[762,1800,1012],{"class":790},[762,1802,954],{"class":790},[762,1804,1805],{"class":830},"tenant",[762,1807,827],{"class":790},[762,1809,1022],{"class":790},[762,1811,1812,1815,1817,1819,1821,1823],{"class":764,"line":1548},[762,1813,1814],{"class":824},"    field",[762,1816,1012],{"class":790},[762,1818,954],{"class":790},[762,1820,1805],{"class":830},[762,1822,827],{"class":790},[762,1824,1022],{"class":790},[762,1826,1827,1830,1832,1835,1838,1841,1843],{"class":764,"line":1558},[762,1828,1829],{"class":782},"    compute",[762,1831,1012],{"class":790},[762,1833,1834],{"class":790}," ({",[762,1836,1837],{"class":793}," headers",[762,1839,1840],{"class":790}," })",[762,1842,801],{"class":800},[762,1844,804],{"class":790},[762,1846,1847,1850,1853,1855,1857,1859,1862,1864,1866],{"class":764,"line":1569},[762,1848,1849],{"class":800},"      const",[762,1851,1852],{"class":786}," id",[762,1854,867],{"class":790},[762,1856,1647],{"class":782},[762,1858,787],{"class":824},[762,1860,1861],{"class":786},"headers",[762,1863,836],{"class":790},[762,1865,1730],{"class":786},[762,1867,916],{"class":824},[762,1869,1870,1873,1875,1878,1881,1884,1887],{"class":764,"line":1589},[762,1871,1872],{"class":775},"      if",[762,1874,839],{"class":824},[762,1876,1877],{"class":790},"!",[762,1879,1880],{"class":786},"id",[762,1882,1883],{"class":824},") ",[762,1885,1886],{"class":775},"return",[762,1888,1889],{"class":790}," undefined\n",[762,1891,1892,1895,1897,1899],{"class":764,"line":1594},[762,1893,1894],{"class":775},"      return",[762,1896,942],{"class":790},[762,1898,1852],{"class":786},[762,1900,1901],{"class":790}," }\n",[762,1903,1905],{"class":764,"line":1904},18,[762,1906,1907],{"class":790},"    },\n",[762,1909,1911,1914,1916],{"class":764,"line":1910},19,[762,1912,1913],{"class":790},"  },",[762,1915,1755],{"class":786},[762,1917,916],{"class":824},[762,1919,1921],{"class":764,"line":1920},20,[762,1922,1214],{"class":790},[612,1924,1925,1927],{},[624,1926,626],{}," automatically:",[645,1929,1930,1938,1952],{},[648,1931,1932,1933,1935,1936],{},"skips when ",[624,1934,634],{}," returns ",[624,1937,686],{},[648,1939,1940,1941,1944,1945,1948,1949,797],{},"merges the result into ",[624,1942,1943],{},"ctx.event[field]"," via ",[624,1946,1947],{},"mergeEventField"," (respecting ",[624,1950,1951],{},"options.overwrite",[648,1953,1954,1955,1958],{},"catches errors and logs them as ",[624,1956,1957],{},"[evlog\u002F\u003Cname>]"," instead of breaking the pipeline",[612,1960,1961],{},"Wire it like any other enricher:",[749,1963,1964,2078,2223,2324],{},[752,1965,1967],{"className":754,"code":1966,"filename":756,"language":757,"meta":758,"style":758},"\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",[624,1968,1969,1973,1992,1996,2016,2046,2072],{"__ignoreMap":758},[762,1970,1971],{"class":764,"line":765},[762,1972,769],{"class":768},[762,1974,1975,1977,1979,1981,1983,1985,1987,1990],{"class":764,"line":772},[762,1976,939],{"class":775},[762,1978,942],{"class":790},[762,1980,1713],{"class":786},[762,1982,948],{"class":790},[762,1984,951],{"class":775},[762,1986,954],{"class":790},[762,1988,1989],{"class":830},"~\u002Fserver\u002Futils\u002Fenrichers",[762,1991,960],{"class":790},[762,1993,1994],{"class":764,"line":807},[762,1995,966],{"emptyLinePlaceholder":965},[762,1997,1998,2000,2002,2004,2006,2008,2010,2012,2014],{"class":764,"line":851},[762,1999,776],{"class":775},[762,2001,779],{"class":775},[762,2003,783],{"class":782},[762,2005,787],{"class":786},[762,2007,787],{"class":790},[762,2009,794],{"class":793},[762,2011,797],{"class":790},[762,2013,801],{"class":800},[762,2015,804],{"class":790},[762,2017,2018,2020,2023,2025,2027,2029,2031,2033,2035,2037,2040,2042,2044],{"class":764,"line":883},[762,2019,1748],{"class":800},[762,2021,2022],{"class":786}," enrichTenant",[762,2024,867],{"class":790},[762,2026,1713],{"class":782},[762,2028,787],{"class":824},[762,2030,1237],{"class":790},[762,2032,1730],{"class":824},[762,2034,1012],{"class":790},[762,2036,954],{"class":790},[762,2038,2039],{"class":830},"x-org-id",[762,2041,827],{"class":790},[762,2043,948],{"class":790},[762,2045,916],{"class":824},[762,2047,2048,2050,2052,2054,2056,2058,2060,2062,2064,2066,2068,2070],{"class":764,"line":910},[762,2049,810],{"class":786},[762,2051,813],{"class":790},[762,2053,816],{"class":786},[762,2055,813],{"class":790},[762,2057,821],{"class":782},[762,2059,787],{"class":824},[762,2061,827],{"class":790},[762,2063,831],{"class":830},[762,2065,827],{"class":790},[762,2067,836],{"class":790},[762,2069,2022],{"class":786},[762,2071,916],{"class":824},[762,2073,2074,2076],{"class":764,"line":919},[762,2075,922],{"class":790},[762,2077,916],{"class":786},[752,2079,2081],{"className":754,"code":2080,"filename":245,"language":757,"meta":758,"style":758},"\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",[624,2082,2083,2087,2105,2124,2128,2157,2161,2193,2207,2217],{"__ignoreMap":758},[762,2084,2085],{"class":764,"line":765},[762,2086,934],{"class":768},[762,2088,2089,2091,2093,2095,2097,2099,2101,2103],{"class":764,"line":772},[762,2090,939],{"class":775},[762,2092,942],{"class":790},[762,2094,945],{"class":786},[762,2096,948],{"class":790},[762,2098,951],{"class":775},[762,2100,954],{"class":790},[762,2102,957],{"class":830},[762,2104,960],{"class":790},[762,2106,2107,2109,2111,2113,2115,2117,2119,2122],{"class":764,"line":807},[762,2108,939],{"class":775},[762,2110,942],{"class":790},[762,2112,1713],{"class":786},[762,2114,948],{"class":790},[762,2116,951],{"class":775},[762,2118,954],{"class":790},[762,2120,2121],{"class":830},".\u002Fenrichers",[762,2123,960],{"class":790},[762,2125,2126],{"class":764,"line":851},[762,2127,966],{"emptyLinePlaceholder":965},[762,2129,2130,2132,2135,2137,2139,2141,2143,2145,2147,2149,2151,2153,2155],{"class":764,"line":883},[762,2131,1139],{"class":800},[762,2133,2134],{"class":786}," enrichTenant ",[762,2136,1145],{"class":790},[762,2138,1713],{"class":782},[762,2140,787],{"class":786},[762,2142,1237],{"class":790},[762,2144,1730],{"class":824},[762,2146,1012],{"class":790},[762,2148,954],{"class":790},[762,2150,2039],{"class":830},[762,2152,827],{"class":790},[762,2154,948],{"class":790},[762,2156,916],{"class":786},[762,2158,2159],{"class":764,"line":910},[762,2160,966],{"emptyLinePlaceholder":965},[762,2162,2163,2165,2167,2169,2171,2173,2175,2177,2179,2181,2183,2185,2187,2189,2191],{"class":764,"line":919},[762,2164,776],{"class":775},[762,2166,973],{"class":800},[762,2168,942],{"class":790},[762,2170,978],{"class":786},[762,2172,836],{"class":790},[762,2174,983],{"class":786},[762,2176,836],{"class":790},[762,2178,988],{"class":786},[762,2180,836],{"class":790},[762,2182,993],{"class":786},[762,2184,922],{"class":790},[762,2186,867],{"class":790},[762,2188,945],{"class":782},[762,2190,787],{"class":786},[762,2192,1004],{"class":790},[762,2194,2195,2197,2199,2201,2203,2205],{"class":764,"line":1066},[762,2196,1009],{"class":824},[762,2198,1012],{"class":790},[762,2200,954],{"class":790},[762,2202,1017],{"class":830},[762,2204,827],{"class":790},[762,2206,1022],{"class":790},[762,2208,2209,2211,2213,2215],{"class":764,"line":1091},[762,2210,1027],{"class":824},[762,2212,1012],{"class":790},[762,2214,2022],{"class":786},[762,2216,1022],{"class":790},[762,2218,2219,2221],{"class":764,"line":1097},[762,2220,922],{"class":790},[762,2222,916],{"class":786},[752,2224,2226],{"className":754,"code":2225,"filename":1105,"language":757,"meta":758,"style":758},"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",[624,2227,2228,2246,2250,2278,2282,2310,2317],{"__ignoreMap":758},[762,2229,2230,2232,2234,2236,2238,2240,2242,2244],{"class":764,"line":765},[762,2231,939],{"class":775},[762,2233,942],{"class":790},[762,2235,1713],{"class":786},[762,2237,948],{"class":790},[762,2239,951],{"class":775},[762,2241,954],{"class":790},[762,2243,2121],{"class":830},[762,2245,960],{"class":790},[762,2247,2248],{"class":764,"line":772},[762,2249,966],{"emptyLinePlaceholder":965},[762,2251,2252,2254,2256,2258,2260,2262,2264,2266,2268,2270,2272,2274,2276],{"class":764,"line":807},[762,2253,1139],{"class":800},[762,2255,2134],{"class":786},[762,2257,1145],{"class":790},[762,2259,1713],{"class":782},[762,2261,787],{"class":786},[762,2263,1237],{"class":790},[762,2265,1730],{"class":824},[762,2267,1012],{"class":790},[762,2269,954],{"class":790},[762,2271,2039],{"class":830},[762,2273,827],{"class":790},[762,2275,948],{"class":790},[762,2277,916],{"class":786},[762,2279,2280],{"class":764,"line":851},[762,2281,966],{"emptyLinePlaceholder":965},[762,2283,2284,2286,2288,2290,2292,2294,2296,2298,2300,2302,2305,2307],{"class":764,"line":883},[762,2285,1223],{"class":786},[762,2287,813],{"class":790},[762,2289,1228],{"class":782},[762,2291,787],{"class":786},[762,2293,1128],{"class":782},[762,2295,787],{"class":786},[762,2297,1237],{"class":790},[762,2299,1240],{"class":824},[762,2301,1012],{"class":790},[762,2303,2304],{"class":786}," [enrichTenant] ",[762,2306,922],{"class":790},[762,2308,2309],{"class":786},"))\n",[762,2311,2312,2315],{"class":764,"line":910},[762,2313,2314],{"class":768},"\u002F\u002F await app.register(evlog, { enrichers: [enrichTenant] })",[762,2316,1261],{"class":768},[762,2318,2319,2322],{"class":764,"line":919},[762,2320,2321],{"class":768},"\u002F\u002F EvlogModule.forRoot({ enrichers: [enrichTenant] })",[762,2323,1269],{"class":768},[752,2325,2327],{"className":754,"code":2326,"filename":300,"language":757,"meta":758,"style":758},"import { initLogger } from 'evlog'\nimport { createTenantEnricher } from '.\u002Fenrichers'\n\ninitLogger({\n  enrichers: [createTenantEnricher({ headerName: 'x-org-id' })],\n})\n",[624,2328,2329,2347,2365,2369,2377,2411],{"__ignoreMap":758},[762,2330,2331,2333,2335,2337,2339,2341,2343,2345],{"class":764,"line":765},[762,2332,939],{"class":775},[762,2334,942],{"class":790},[762,2336,1308],{"class":786},[762,2338,948],{"class":790},[762,2340,951],{"class":775},[762,2342,954],{"class":790},[762,2344,1128],{"class":830},[762,2346,960],{"class":790},[762,2348,2349,2351,2353,2355,2357,2359,2361,2363],{"class":764,"line":772},[762,2350,939],{"class":775},[762,2352,942],{"class":790},[762,2354,1713],{"class":786},[762,2356,948],{"class":790},[762,2358,951],{"class":775},[762,2360,954],{"class":790},[762,2362,2121],{"class":830},[762,2364,960],{"class":790},[762,2366,2367],{"class":764,"line":807},[762,2368,966],{"emptyLinePlaceholder":965},[762,2370,2371,2373,2375],{"class":764,"line":851},[762,2372,1405],{"class":782},[762,2374,787],{"class":786},[762,2376,1004],{"class":790},[762,2378,2379,2382,2384,2387,2390,2392,2394,2396,2398,2400,2402,2404,2406,2409],{"class":764,"line":883},[762,2380,2381],{"class":824},"  enrichers",[762,2383,1012],{"class":790},[762,2385,2386],{"class":786}," [",[762,2388,2389],{"class":782},"createTenantEnricher",[762,2391,787],{"class":786},[762,2393,1237],{"class":790},[762,2395,1730],{"class":824},[762,2397,1012],{"class":790},[762,2399,954],{"class":790},[762,2401,2039],{"class":830},[762,2403,827],{"class":790},[762,2405,948],{"class":790},[762,2407,2408],{"class":786},")]",[762,2410,1022],{"class":790},[762,2412,2413,2415],{"class":764,"line":910},[762,2414,922],{"class":790},[762,2416,916],{"class":786},[741,2418,2420],{"id":2419},"combining-with-built-in-enrichers","Combining with built-in enrichers",[612,2422,2423,2424,2427,2428,627,2431,2433],{},"Custom and built-in enrichers compose freely, since they're all just ",[624,2425,2426],{},"(ctx: EnrichContext) => void"," functions. Use ",[624,2429,2430],{},"composeEnrichers",[624,2432,630],{}," to combine them into a single callable:",[752,2435,2438],{"className":754,"code":2436,"filename":2437,"language":757,"meta":758,"style":758},"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",[624,2439,2440,2463,2483,2487,2502,2518,2533,2572,2578,2582,2598,2611,2618],{"__ignoreMap":758},[762,2441,2442,2444,2446,2449,2451,2453,2455,2457,2459,2461],{"class":764,"line":765},[762,2443,939],{"class":775},[762,2445,942],{"class":790},[762,2447,2448],{"class":786}," composeEnrichers",[762,2450,836],{"class":790},[762,2452,1642],{"class":786},[762,2454,948],{"class":790},[762,2456,951],{"class":775},[762,2458,954],{"class":790},[762,2460,630],{"class":830},[762,2462,960],{"class":790},[762,2464,2465,2467,2469,2472,2474,2476,2478,2481],{"class":764,"line":772},[762,2466,939],{"class":775},[762,2468,942],{"class":790},[762,2470,2471],{"class":786}," createDefaultEnrichers",[762,2473,948],{"class":790},[762,2475,951],{"class":775},[762,2477,954],{"class":790},[762,2479,2480],{"class":830},"evlog\u002Fenrichers",[762,2482,960],{"class":790},[762,2484,2485],{"class":764,"line":807},[762,2486,966],{"emptyLinePlaceholder":965},[762,2488,2489,2491,2494,2496,2498,2500],{"class":764,"line":851},[762,2490,1139],{"class":800},[762,2492,2493],{"class":786}," region ",[762,2495,1145],{"class":790},[762,2497,1642],{"class":782},[762,2499,787],{"class":786},[762,2501,1004],{"class":790},[762,2503,2504,2507,2509,2511,2514,2516],{"class":764,"line":883},[762,2505,2506],{"class":824},"  name",[762,2508,1012],{"class":790},[762,2510,954],{"class":790},[762,2512,2513],{"class":830},"region",[762,2515,827],{"class":790},[762,2517,1022],{"class":790},[762,2519,2520,2523,2525,2527,2529,2531],{"class":764,"line":910},[762,2521,2522],{"class":824},"  field",[762,2524,1012],{"class":790},[762,2526,954],{"class":790},[762,2528,2513],{"class":830},[762,2530,827],{"class":790},[762,2532,1022],{"class":790},[762,2534,2535,2538,2540,2543,2545,2547,2549,2551,2553,2556,2559,2561,2563,2565,2567,2570],{"class":764,"line":919},[762,2536,2537],{"class":782},"  compute",[762,2539,1012],{"class":790},[762,2541,2542],{"class":790}," ()",[762,2544,801],{"class":800},[762,2546,870],{"class":786},[762,2548,813],{"class":790},[762,2550,875],{"class":786},[762,2552,813],{"class":790},[762,2554,2555],{"class":786},"FLY_REGION ",[762,2557,2558],{"class":790},"??",[762,2560,870],{"class":786},[762,2562,813],{"class":790},[762,2564,875],{"class":786},[762,2566,813],{"class":790},[762,2568,2569],{"class":786},"AWS_REGION",[762,2571,1022],{"class":790},[762,2573,2574,2576],{"class":764,"line":1066},[762,2575,922],{"class":790},[762,2577,916],{"class":786},[762,2579,2580],{"class":764,"line":1091},[762,2581,966],{"emptyLinePlaceholder":965},[762,2583,2584,2586,2588,2591,2593,2595],{"class":764,"line":1097},[762,2585,776],{"class":775},[762,2587,973],{"class":800},[762,2589,2590],{"class":786}," enrich ",[762,2592,1145],{"class":790},[762,2594,2448],{"class":782},[762,2596,2597],{"class":786},"([\n",[762,2599,2600,2603,2606,2608],{"class":764,"line":1517},[762,2601,2602],{"class":782},"  createDefaultEnrichers",[762,2604,2605],{"class":786},"()",[762,2607,836],{"class":790},[762,2609,2610],{"class":768}," \u002F\u002F userAgent + geo + requestSize + traceContext\n",[762,2612,2613,2616],{"class":764,"line":1542},[762,2614,2615],{"class":786},"  region",[762,2617,1022],{"class":790},[762,2619,2620],{"class":764,"line":1548},[762,2621,2622],{"class":786},"])\n",[741,2624,2626],{"id":2625},"more-examples","More examples",[612,2628,2629,2630,2632],{},"Each example below is a plain ",[624,2631,626],{}," call, wired the same way as the basic example, regardless of framework.",[2634,2635,2637],"h3",{"id":2636},"feature-flags","Feature flags",[752,2639,2642],{"className":754,"code":2640,"filename":2641,"language":757,"meta":758,"style":758},"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",[624,2643,2644,2662,2666,2683,2697,2712,2726,2749,2771,2779],{"__ignoreMap":758},[762,2645,2646,2648,2650,2652,2654,2656,2658,2660],{"class":764,"line":765},[762,2647,939],{"class":775},[762,2649,942],{"class":790},[762,2651,1642],{"class":786},[762,2653,948],{"class":790},[762,2655,951],{"class":775},[762,2657,954],{"class":790},[762,2659,630],{"class":830},[762,2661,960],{"class":790},[762,2663,2664],{"class":764,"line":772},[762,2665,966],{"emptyLinePlaceholder":965},[762,2667,2668,2670,2672,2675,2677,2679,2681],{"class":764,"line":807},[762,2669,776],{"class":775},[762,2671,973],{"class":800},[762,2673,2674],{"class":786}," featureFlags ",[762,2676,1145],{"class":790},[762,2678,1642],{"class":782},[762,2680,787],{"class":786},[762,2682,1004],{"class":790},[762,2684,2685,2687,2689,2691,2693,2695],{"class":764,"line":851},[762,2686,2506],{"class":824},[762,2688,1012],{"class":790},[762,2690,954],{"class":790},[762,2692,2636],{"class":830},[762,2694,827],{"class":790},[762,2696,1022],{"class":790},[762,2698,2699,2701,2703,2705,2708,2710],{"class":764,"line":883},[762,2700,2522],{"class":824},[762,2702,1012],{"class":790},[762,2704,954],{"class":790},[762,2706,2707],{"class":830},"featureFlags",[762,2709,827],{"class":790},[762,2711,1022],{"class":790},[762,2713,2714,2716,2718,2720,2722,2724],{"class":764,"line":910},[762,2715,2537],{"class":782},[762,2717,1012],{"class":790},[762,2719,2542],{"class":790},[762,2721,801],{"class":800},[762,2723,839],{"class":786},[762,2725,1004],{"class":790},[762,2727,2728,2731,2733,2736,2738,2740,2743,2745,2747],{"class":764,"line":919},[762,2729,2730],{"class":824},"    newCheckout",[762,2732,1012],{"class":790},[762,2734,2735],{"class":782}," isEnabled",[762,2737,787],{"class":786},[762,2739,827],{"class":790},[762,2741,2742],{"class":830},"new-checkout",[762,2744,827],{"class":790},[762,2746,797],{"class":786},[762,2748,1022],{"class":790},[762,2750,2751,2754,2756,2758,2760,2762,2765,2767,2769],{"class":764,"line":1066},[762,2752,2753],{"class":824},"    betaApi",[762,2755,1012],{"class":790},[762,2757,2735],{"class":782},[762,2759,787],{"class":786},[762,2761,827],{"class":790},[762,2763,2764],{"class":830},"beta-api",[762,2766,827],{"class":790},[762,2768,797],{"class":786},[762,2770,1022],{"class":790},[762,2772,2773,2775,2777],{"class":764,"line":1091},[762,2774,913],{"class":790},[762,2776,797],{"class":786},[762,2778,1022],{"class":790},[762,2780,2781,2783],{"class":764,"line":1097},[762,2782,922],{"class":790},[762,2784,916],{"class":786},[2634,2786,2788],{"id":2787},"response-time-classification","Response time classification",[752,2790,2793],{"className":754,"code":2791,"filename":2792,"language":757,"meta":758,"style":758},"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",[624,2794,2795,2813,2817,2840,2855,2870,2887,2904,2926,2952,2976,3000,3012,3016],{"__ignoreMap":758},[762,2796,2797,2799,2801,2803,2805,2807,2809,2811],{"class":764,"line":765},[762,2798,939],{"class":775},[762,2800,942],{"class":790},[762,2802,1642],{"class":786},[762,2804,948],{"class":790},[762,2806,951],{"class":775},[762,2808,954],{"class":790},[762,2810,630],{"class":830},[762,2812,960],{"class":790},[762,2814,2815],{"class":764,"line":772},[762,2816,966],{"emptyLinePlaceholder":965},[762,2818,2819,2821,2823,2826,2828,2830,2832,2834,2836,2838],{"class":764,"line":807},[762,2820,776],{"class":775},[762,2822,973],{"class":800},[762,2824,2825],{"class":786}," performanceTier ",[762,2827,1145],{"class":790},[762,2829,1642],{"class":782},[762,2831,1528],{"class":790},[762,2833,1531],{"class":1154},[762,2835,1789],{"class":790},[762,2837,787],{"class":786},[762,2839,1004],{"class":790},[762,2841,2842,2844,2846,2848,2851,2853],{"class":764,"line":851},[762,2843,2506],{"class":824},[762,2845,1012],{"class":790},[762,2847,954],{"class":790},[762,2849,2850],{"class":830},"performance-tier",[762,2852,827],{"class":790},[762,2854,1022],{"class":790},[762,2856,2857,2859,2861,2863,2866,2868],{"class":764,"line":883},[762,2858,2522],{"class":824},[762,2860,1012],{"class":790},[762,2862,954],{"class":790},[762,2864,2865],{"class":830},"performanceTier",[762,2867,827],{"class":790},[762,2869,1022],{"class":790},[762,2871,2872,2874,2876,2878,2881,2883,2885],{"class":764,"line":910},[762,2873,2537],{"class":782},[762,2875,1012],{"class":790},[762,2877,1834],{"class":790},[762,2879,2880],{"class":793}," event",[762,2882,1840],{"class":790},[762,2884,801],{"class":800},[762,2886,804],{"class":790},[762,2888,2889,2892,2895,2897,2899,2901],{"class":764,"line":919},[762,2890,2891],{"class":800},"    const",[762,2893,2894],{"class":786}," durationMs",[762,2896,867],{"class":790},[762,2898,2880],{"class":786},[762,2900,813],{"class":790},[762,2902,2903],{"class":786},"durationMs\n",[762,2905,2906,2909,2911,2914,2917,2920,2922,2924],{"class":764,"line":1066},[762,2907,2908],{"class":775},"    if",[762,2910,839],{"class":824},[762,2912,2913],{"class":786},"durationMs",[762,2915,2916],{"class":790}," ===",[762,2918,2919],{"class":790}," undefined",[762,2921,1883],{"class":824},[762,2923,1886],{"class":775},[762,2925,1889],{"class":790},[762,2927,2928,2930,2932,2934,2937,2941,2943,2945,2947,2950],{"class":764,"line":1091},[762,2929,2908],{"class":775},[762,2931,839],{"class":824},[762,2933,2913],{"class":786},[762,2935,2936],{"class":790}," \u003C",[762,2938,2940],{"class":2939},"sbssI"," 100",[762,2942,1883],{"class":824},[762,2944,1886],{"class":775},[762,2946,954],{"class":790},[762,2948,2949],{"class":830},"fast",[762,2951,960],{"class":790},[762,2953,2954,2956,2958,2960,2962,2965,2967,2969,2971,2974],{"class":764,"line":1097},[762,2955,2908],{"class":775},[762,2957,839],{"class":824},[762,2959,2913],{"class":786},[762,2961,2936],{"class":790},[762,2963,2964],{"class":2939}," 500",[762,2966,1883],{"class":824},[762,2968,1886],{"class":775},[762,2970,954],{"class":790},[762,2972,2973],{"class":830},"normal",[762,2975,960],{"class":790},[762,2977,2978,2980,2982,2984,2986,2989,2991,2993,2995,2998],{"class":764,"line":1517},[762,2979,2908],{"class":775},[762,2981,839],{"class":824},[762,2983,2913],{"class":786},[762,2985,2936],{"class":790},[762,2987,2988],{"class":2939}," 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.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 .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":758,"searchDepth":772,"depth":772,"links":3060},[3061,3062,3063,3065,3066,3070,3071],{"id":743,"depth":772,"text":744},{"id":1422,"depth":772,"text":1423},{"id":1618,"depth":772,"text":3064},"Recommended pattern: defineEnricher",{"id":2419,"depth":772,"text":2420},{"id":2625,"depth":772,"text":2626,"children":3067},[3068,3069],{"id":2636,"depth":807,"text":2637},{"id":2787,"depth":807,"text":2788},{"id":3024,"depth":772,"text":3025},{"id":3035,"depth":772,"text":3036},"Write an enricher that adds deployment metadata, tenant ids, feature flags, or anything computed. Error isolation and merging are handled.","md",[3075,3078],{"label":3043,"icon":497,"to":441,"color":3076,"variant":3077},"neutral","subtle",{"label":512,"icon":487,"to":513,"color":3076,"variant":3077},{},{"title":516,"icon":443},{"title":604,"description":3072},"vzbPk5x-7SU_TM6YDUpHRQ3YCSJLJUDEW9EalAghKI0",[3084,3086],{"title":512,"path":513,"stem":514,"description":3085,"icon":487,"children":-1},"definePlugin is evlog's canonical extension point: opt into any subset of the lifecycle hooks from one cohesive object.",{"title":520,"path":521,"stem":522,"description":3087,"icon":69,"children":-1},"Decide after the fact whether to keep an event, knowing its status, duration, and errors. Keep every error, throw away healthy noise.",1791049456536]