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The integration is tested against Better Auth ",[586,619,620],{},">=1.6.9"," (same major as ",[603,623,626],{"href":624,"rel":625},"https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Ftree\u002Fmain\u002Fapps\u002Fplayground",[607],"the playground",").",[629,630,631,656,670,684],"code-group",{},[632,633,639],"pre",{"className":634,"code":635,"filename":636,"language":637,"meta":638,"style":638},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add better-auth\n","pnpm","bash","",[586,640,641],{"__ignoreMap":638},[642,643,646,649,653],"span",{"class":644,"line":645},"line",1,[642,647,636],{"class":648},"sBMFI",[642,650,652],{"class":651},"sfazB"," add",[642,654,655],{"class":651}," better-auth\n",[632,657,660],{"className":634,"code":658,"filename":659,"language":637,"meta":638,"style":638},"bun add better-auth\n","bun",[586,661,662],{"__ignoreMap":638},[642,663,664,666,668],{"class":644,"line":645},[642,665,659],{"class":648},[642,667,652],{"class":651},[642,669,655],{"class":651},[632,671,674],{"className":634,"code":672,"filename":673,"language":637,"meta":638,"style":638},"yarn add better-auth\n","yarn",[586,675,676],{"__ignoreMap":638},[642,677,678,680,682],{"class":644,"line":645},[642,679,673],{"class":648},[642,681,652],{"class":651},[642,683,655],{"class":651},[632,685,688],{"className":634,"code":686,"filename":687,"language":637,"meta":638,"style":638},"npm install better-auth\n","npm",[586,689,690],{"__ignoreMap":638},[642,691,692,694,697],{"class":644,"line":645},[642,693,687],{"class":648},[642,695,696],{"class":651}," install",[642,698,655],{"class":651},[700,701,704,707,729],"prompt",{":actions":702,"description":703,"icon":361},"[\"copy\",\"cursor\",\"claude\"]","Add Better Auth user identification",[583,705,706],{},"Add Better Auth user identification to my app with evlog.",[708,709,710,714,717,720,723,726],"ul",{},[711,712,713],"li",{},"Import createAuthMiddleware from 'evlog\u002Fbetter-auth'",[711,715,716],{},"Call createAuthMiddleware(auth) to get an identify function",[711,718,719],{},"Call identify(log, headers, path) in your middleware\u002Fhook to auto-identify users on every request",[711,721,722],{},"Safe by default. Only extracts whitelisted fields, and never logs passwords or tokens",[711,724,725],{},"Supports include\u002Fexclude route patterns, lifecycle hooks, and Better Auth plugin fields",[711,727,728],{},"Works with all frameworks: Nuxt, Next.js, Express, Hono, Fastify, NestJS, Elysia, standalone",[583,730,731,732,736,737],{},"Docs: ",[603,733,734],{"href":734,"rel":735},"https:\u002F\u002Fwww.evlog.dev\u002Fuse-cases\u002Fbetter-auth\u002Foverview",[607],"\nAdapters: ",[603,738,739],{"href":739,"rel":740},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[607],[595,742,25],{"id":743},"quick-start",[583,745,746],{},"One middleware, all requests identified:",[629,748,749,970,1200,1353,1523,1667,1824,2032],{},[632,750,755],{"className":751,"code":752,"filename":753,"language":754,"meta":638,"style":638},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { createAuthMiddleware } from 'evlog\u002Fbetter-auth'\n\nconst identify = createAuthMiddleware(auth, {\n  exclude: ['\u002Fapi\u002Fauth\u002F**'],\n})\n\nexport default defineEventHandler(async (event) => {\n  if (!event.context.log) return\n  await identify(event.context.log, event.headers, event.path)\n})\n","server\u002Fmiddleware\u002Fauth-identify.ts (Nuxt)","typescript",[586,756,757,785,792,817,844,853,858,891,921,963],{"__ignoreMap":638},[642,758,759,763,767,771,774,777,780,782],{"class":644,"line":645},[642,760,762],{"class":761},"s7zQu","import",[642,764,766],{"class":765},"sMK4o"," {",[642,768,770],{"class":769},"sTEyZ"," createAuthMiddleware",[642,772,773],{"class":765}," }",[642,775,776],{"class":761}," from",[642,778,779],{"class":765}," '",[642,781,588],{"class":651},[642,783,784],{"class":765},"'\n",[642,786,788],{"class":644,"line":787},2,[642,789,791],{"emptyLinePlaceholder":790},true,"\n",[642,793,795,799,802,805,808,811,814],{"class":644,"line":794},3,[642,796,798],{"class":797},"spNyl","const",[642,800,801],{"class":769}," identify ",[642,803,804],{"class":765},"=",[642,806,770],{"class":807},"s2Zo4",[642,809,810],{"class":769},"(auth",[642,812,813],{"class":765},",",[642,815,816],{"class":765}," {\n",[642,818,820,824,827,830,833,836,838,841],{"class":644,"line":819},4,[642,821,823],{"class":822},"swJcz","  exclude",[642,825,826],{"class":765},":",[642,828,829],{"class":769}," [",[642,831,832],{"class":765},"'",[642,834,835],{"class":651},"\u002Fapi\u002Fauth\u002F**",[642,837,832],{"class":765},[642,839,840],{"class":769},"]",[642,842,843],{"class":765},",\n",[642,845,847,850],{"class":644,"line":846},5,[642,848,849],{"class":765},"}",[642,851,852],{"class":769},")\n",[642,854,856],{"class":644,"line":855},6,[642,857,791],{"emptyLinePlaceholder":790},[642,859,861,864,867,870,873,876,879,883,886,889],{"class":644,"line":860},7,[642,862,863],{"class":761},"export",[642,865,866],{"class":761}," default",[642,868,869],{"class":807}," defineEventHandler",[642,871,872],{"class":769},"(",[642,874,875],{"class":797},"async",[642,877,878],{"class":765}," (",[642,880,882],{"class":881},"sHdIc","event",[642,884,885],{"class":765},")",[642,887,888],{"class":797}," =>",[642,890,816],{"class":765},[642,892,894,897,899,902,904,907,910,912,915,918],{"class":644,"line":893},8,[642,895,896],{"class":761},"  if",[642,898,878],{"class":822},[642,900,901],{"class":765},"!",[642,903,882],{"class":769},[642,905,906],{"class":765},".",[642,908,909],{"class":769},"context",[642,911,906],{"class":765},[642,913,914],{"class":769},"log",[642,916,917],{"class":822},") ",[642,919,920],{"class":761},"return\n",[642,922,924,927,930,932,934,936,938,940,942,944,947,949,952,954,956,958,961],{"class":644,"line":923},9,[642,925,926],{"class":761},"  await",[642,928,929],{"class":807}," identify",[642,931,872],{"class":822},[642,933,882],{"class":769},[642,935,906],{"class":765},[642,937,909],{"class":769},[642,939,906],{"class":765},[642,941,914],{"class":769},[642,943,813],{"class":765},[642,945,946],{"class":769}," event",[642,948,906],{"class":765},[642,950,951],{"class":769},"headers",[642,953,813],{"class":765},[642,955,946],{"class":769},[642,957,906],{"class":765},[642,959,960],{"class":769},"path",[642,962,852],{"class":822},[642,964,966,968],{"class":644,"line":965},10,[642,967,849],{"class":765},[642,969,852],{"class":769},[632,971,974],{"className":751,"code":972,"filename":973,"language":754,"meta":638,"style":638},"import { withEvlog, useLogger } from '@\u002Flib\u002Fevlog'\nimport { createAuthMiddleware } from 'evlog\u002Fbetter-auth'\nimport { auth } from '@\u002Flib\u002Fauth'\n\nconst identify = createAuthMiddleware(auth)\n\nexport const POST = withEvlog(async (request: Request) => {\n  const log = useLogger()\n  await identify(log, request.headers)\n  log.set({ action: 'checkout' })\n  return Response.json({ success: true })\n})\n","app\u002Fapi\u002Fcheckout\u002Froute.ts (Next.js)",[586,975,976,1001,1019,1039,1043,1056,1060,1094,1110,1131,1162,1193],{"__ignoreMap":638},[642,977,978,980,982,985,987,990,992,994,996,999],{"class":644,"line":645},[642,979,762],{"class":761},[642,981,766],{"class":765},[642,983,984],{"class":769}," withEvlog",[642,986,813],{"class":765},[642,988,989],{"class":769}," useLogger",[642,991,773],{"class":765},[642,993,776],{"class":761},[642,995,779],{"class":765},[642,997,998],{"class":651},"@\u002Flib\u002Fevlog",[642,1000,784],{"class":765},[642,1002,1003,1005,1007,1009,1011,1013,1015,1017],{"class":644,"line":787},[642,1004,762],{"class":761},[642,1006,766],{"class":765},[642,1008,770],{"class":769},[642,1010,773],{"class":765},[642,1012,776],{"class":761},[642,1014,779],{"class":765},[642,1016,588],{"class":651},[642,1018,784],{"class":765},[642,1020,1021,1023,1025,1028,1030,1032,1034,1037],{"class":644,"line":794},[642,1022,762],{"class":761},[642,1024,766],{"class":765},[642,1026,1027],{"class":769}," auth",[642,1029,773],{"class":765},[642,1031,776],{"class":761},[642,1033,779],{"class":765},[642,1035,1036],{"class":651},"@\u002Flib\u002Fauth",[642,1038,784],{"class":765},[642,1040,1041],{"class":644,"line":819},[642,1042,791],{"emptyLinePlaceholder":790},[642,1044,1045,1047,1049,1051,1053],{"class":644,"line":846},[642,1046,798],{"class":797},[642,1048,801],{"class":769},[642,1050,804],{"class":765},[642,1052,770],{"class":807},[642,1054,1055],{"class":769},"(auth)\n",[642,1057,1058],{"class":644,"line":855},[642,1059,791],{"emptyLinePlaceholder":790},[642,1061,1062,1064,1067,1070,1072,1074,1076,1078,1080,1083,1085,1088,1090,1092],{"class":644,"line":860},[642,1063,863],{"class":761},[642,1065,1066],{"class":797}," const",[642,1068,1069],{"class":769}," POST ",[642,1071,804],{"class":765},[642,1073,984],{"class":807},[642,1075,872],{"class":769},[642,1077,875],{"class":797},[642,1079,878],{"class":765},[642,1081,1082],{"class":881},"request",[642,1084,826],{"class":765},[642,1086,1087],{"class":648}," Request",[642,1089,885],{"class":765},[642,1091,888],{"class":797},[642,1093,816],{"class":765},[642,1095,1096,1099,1102,1105,1107],{"class":644,"line":893},[642,1097,1098],{"class":797},"  const",[642,1100,1101],{"class":769}," log",[642,1103,1104],{"class":765}," =",[642,1106,989],{"class":807},[642,1108,1109],{"class":822},"()\n",[642,1111,1112,1114,1116,1118,1120,1122,1125,1127,1129],{"class":644,"line":923},[642,1113,926],{"class":761},[642,1115,929],{"class":807},[642,1117,872],{"class":822},[642,1119,914],{"class":769},[642,1121,813],{"class":765},[642,1123,1124],{"class":769}," request",[642,1126,906],{"class":765},[642,1128,951],{"class":769},[642,1130,852],{"class":822},[642,1132,1133,1136,1138,1141,1143,1146,1149,1151,1153,1156,1158,1160],{"class":644,"line":965},[642,1134,1135],{"class":769},"  log",[642,1137,906],{"class":765},[642,1139,1140],{"class":807},"set",[642,1142,872],{"class":822},[642,1144,1145],{"class":765},"{",[642,1147,1148],{"class":822}," action",[642,1150,826],{"class":765},[642,1152,779],{"class":765},[642,1154,1155],{"class":651},"checkout",[642,1157,832],{"class":765},[642,1159,773],{"class":765},[642,1161,852],{"class":822},[642,1163,1165,1168,1171,1173,1176,1178,1180,1183,1185,1189,1191],{"class":644,"line":1164},11,[642,1166,1167],{"class":761},"  return",[642,1169,1170],{"class":769}," Response",[642,1172,906],{"class":765},[642,1174,1175],{"class":807},"json",[642,1177,872],{"class":822},[642,1179,1145],{"class":765},[642,1181,1182],{"class":822}," success",[642,1184,826],{"class":765},[642,1186,1188],{"class":1187},"sfNiH"," true",[642,1190,773],{"class":765},[642,1192,852],{"class":822},[642,1194,1196,1198],{"class":644,"line":1195},12,[642,1197,849],{"class":765},[642,1199,852],{"class":769},[632,1201,1204],{"className":751,"code":1202,"filename":1203,"language":754,"meta":638,"style":638},"import { createAuthMiddleware } from 'evlog\u002Fbetter-auth'\n\nconst identify = createAuthMiddleware(auth, {\n  exclude: ['\u002Fapi\u002Fauth\u002F**'],\n})\n\napp.use(async (req, res, next) => {\n  await identify(req.log, req.headers, req.path)\n  next()\n})\n","src\u002Findex.ts (Express)",[586,1205,1206,1224,1228,1244,1262,1268,1272,1307,1340,1347],{"__ignoreMap":638},[642,1207,1208,1210,1212,1214,1216,1218,1220,1222],{"class":644,"line":645},[642,1209,762],{"class":761},[642,1211,766],{"class":765},[642,1213,770],{"class":769},[642,1215,773],{"class":765},[642,1217,776],{"class":761},[642,1219,779],{"class":765},[642,1221,588],{"class":651},[642,1223,784],{"class":765},[642,1225,1226],{"class":644,"line":787},[642,1227,791],{"emptyLinePlaceholder":790},[642,1229,1230,1232,1234,1236,1238,1240,1242],{"class":644,"line":794},[642,1231,798],{"class":797},[642,1233,801],{"class":769},[642,1235,804],{"class":765},[642,1237,770],{"class":807},[642,1239,810],{"class":769},[642,1241,813],{"class":765},[642,1243,816],{"class":765},[642,1245,1246,1248,1250,1252,1254,1256,1258,1260],{"class":644,"line":819},[642,1247,823],{"class":822},[642,1249,826],{"class":765},[642,1251,829],{"class":769},[642,1253,832],{"class":765},[642,1255,835],{"class":651},[642,1257,832],{"class":765},[642,1259,840],{"class":769},[642,1261,843],{"class":765},[642,1263,1264,1266],{"class":644,"line":846},[642,1265,849],{"class":765},[642,1267,852],{"class":769},[642,1269,1270],{"class":644,"line":855},[642,1271,791],{"emptyLinePlaceholder":790},[642,1273,1274,1277,1279,1282,1284,1286,1288,1291,1293,1296,1298,1301,1303,1305],{"class":644,"line":860},[642,1275,1276],{"class":769},"app",[642,1278,906],{"class":765},[642,1280,1281],{"class":807},"use",[642,1283,872],{"class":769},[642,1285,875],{"class":797},[642,1287,878],{"class":765},[642,1289,1290],{"class":881},"req",[642,1292,813],{"class":765},[642,1294,1295],{"class":881}," res",[642,1297,813],{"class":765},[642,1299,1300],{"class":881}," next",[642,1302,885],{"class":765},[642,1304,888],{"class":797},[642,1306,816],{"class":765},[642,1308,1309,1311,1313,1315,1317,1319,1321,1323,1326,1328,1330,1332,1334,1336,1338],{"class":644,"line":893},[642,1310,926],{"class":761},[642,1312,929],{"class":807},[642,1314,872],{"class":822},[642,1316,1290],{"class":769},[642,1318,906],{"class":765},[642,1320,914],{"class":769},[642,1322,813],{"class":765},[642,1324,1325],{"class":769}," req",[642,1327,906],{"class":765},[642,1329,951],{"class":769},[642,1331,813],{"class":765},[642,1333,1325],{"class":769},[642,1335,906],{"class":765},[642,1337,960],{"class":769},[642,1339,852],{"class":822},[642,1341,1342,1345],{"class":644,"line":923},[642,1343,1344],{"class":807},"  next",[642,1346,1109],{"class":822},[642,1348,1349,1351],{"class":644,"line":965},[642,1350,849],{"class":765},[642,1352,852],{"class":769},[632,1354,1357],{"className":751,"code":1355,"filename":1356,"language":754,"meta":638,"style":638},"import { createAuthMiddleware } from 'evlog\u002Fbetter-auth'\n\nconst identify = createAuthMiddleware(auth, {\n  exclude: ['\u002Fapi\u002Fauth\u002F**'],\n})\n\napp.use(async (c, next) => {\n  await identify(c.get('log'), c.req.raw.headers, c.req.path)\n  await next()\n})\n","src\u002Findex.ts (Hono)",[586,1358,1359,1377,1381,1397,1415,1421,1425,1452,1509,1517],{"__ignoreMap":638},[642,1360,1361,1363,1365,1367,1369,1371,1373,1375],{"class":644,"line":645},[642,1362,762],{"class":761},[642,1364,766],{"class":765},[642,1366,770],{"class":769},[642,1368,773],{"class":765},[642,1370,776],{"class":761},[642,1372,779],{"class":765},[642,1374,588],{"class":651},[642,1376,784],{"class":765},[642,1378,1379],{"class":644,"line":787},[642,1380,791],{"emptyLinePlaceholder":790},[642,1382,1383,1385,1387,1389,1391,1393,1395],{"class":644,"line":794},[642,1384,798],{"class":797},[642,1386,801],{"class":769},[642,1388,804],{"class":765},[642,1390,770],{"class":807},[642,1392,810],{"class":769},[642,1394,813],{"class":765},[642,1396,816],{"class":765},[642,1398,1399,1401,1403,1405,1407,1409,1411,1413],{"class":644,"line":819},[642,1400,823],{"class":822},[642,1402,826],{"class":765},[642,1404,829],{"class":769},[642,1406,832],{"class":765},[642,1408,835],{"class":651},[642,1410,832],{"class":765},[642,1412,840],{"class":769},[642,1414,843],{"class":765},[642,1416,1417,1419],{"class":644,"line":846},[642,1418,849],{"class":765},[642,1420,852],{"class":769},[642,1422,1423],{"class":644,"line":855},[642,1424,791],{"emptyLinePlaceholder":790},[642,1426,1427,1429,1431,1433,1435,1437,1439,1442,1444,1446,1448,1450],{"class":644,"line":860},[642,1428,1276],{"class":769},[642,1430,906],{"class":765},[642,1432,1281],{"class":807},[642,1434,872],{"class":769},[642,1436,875],{"class":797},[642,1438,878],{"class":765},[642,1440,1441],{"class":881},"c",[642,1443,813],{"class":765},[642,1445,1300],{"class":881},[642,1447,885],{"class":765},[642,1449,888],{"class":797},[642,1451,816],{"class":765},[642,1453,1454,1456,1458,1460,1462,1464,1467,1469,1471,1473,1475,1477,1479,1482,1484,1486,1488,1491,1493,1495,1497,1499,1501,1503,1505,1507],{"class":644,"line":893},[642,1455,926],{"class":761},[642,1457,929],{"class":807},[642,1459,872],{"class":822},[642,1461,1441],{"class":769},[642,1463,906],{"class":765},[642,1465,1466],{"class":807},"get",[642,1468,872],{"class":822},[642,1470,832],{"class":765},[642,1472,914],{"class":651},[642,1474,832],{"class":765},[642,1476,885],{"class":822},[642,1478,813],{"class":765},[642,1480,1481],{"class":769}," c",[642,1483,906],{"class":765},[642,1485,1290],{"class":769},[642,1487,906],{"class":765},[642,1489,1490],{"class":769},"raw",[642,1492,906],{"class":765},[642,1494,951],{"class":769},[642,1496,813],{"class":765},[642,1498,1481],{"class":769},[642,1500,906],{"class":765},[642,1502,1290],{"class":769},[642,1504,906],{"class":765},[642,1506,960],{"class":769},[642,1508,852],{"class":822},[642,1510,1511,1513,1515],{"class":644,"line":923},[642,1512,926],{"class":761},[642,1514,1300],{"class":807},[642,1516,1109],{"class":822},[642,1518,1519,1521],{"class":644,"line":965},[642,1520,849],{"class":765},[642,1522,852],{"class":769},[632,1524,1527],{"className":751,"code":1525,"filename":1526,"language":754,"meta":638,"style":638},"import { createAuthMiddleware } from 'evlog\u002Fbetter-auth'\n\nconst identify = createAuthMiddleware(auth, {\n  exclude: ['\u002Fapi\u002Fauth\u002F**'],\n})\n\napp.addHook('onRequest', async (request) => {\n  await identify(request.log, request.headers, request.url)\n})\n","src\u002Findex.ts (Fastify)",[586,1528,1529,1547,1551,1567,1585,1591,1595,1628,1661],{"__ignoreMap":638},[642,1530,1531,1533,1535,1537,1539,1541,1543,1545],{"class":644,"line":645},[642,1532,762],{"class":761},[642,1534,766],{"class":765},[642,1536,770],{"class":769},[642,1538,773],{"class":765},[642,1540,776],{"class":761},[642,1542,779],{"class":765},[642,1544,588],{"class":651},[642,1546,784],{"class":765},[642,1548,1549],{"class":644,"line":787},[642,1550,791],{"emptyLinePlaceholder":790},[642,1552,1553,1555,1557,1559,1561,1563,1565],{"class":644,"line":794},[642,1554,798],{"class":797},[642,1556,801],{"class":769},[642,1558,804],{"class":765},[642,1560,770],{"class":807},[642,1562,810],{"class":769},[642,1564,813],{"class":765},[642,1566,816],{"class":765},[642,1568,1569,1571,1573,1575,1577,1579,1581,1583],{"class":644,"line":819},[642,1570,823],{"class":822},[642,1572,826],{"class":765},[642,1574,829],{"class":769},[642,1576,832],{"class":765},[642,1578,835],{"class":651},[642,1580,832],{"class":765},[642,1582,840],{"class":769},[642,1584,843],{"class":765},[642,1586,1587,1589],{"class":644,"line":846},[642,1588,849],{"class":765},[642,1590,852],{"class":769},[642,1592,1593],{"class":644,"line":855},[642,1594,791],{"emptyLinePlaceholder":790},[642,1596,1597,1599,1601,1604,1606,1608,1611,1613,1615,1618,1620,1622,1624,1626],{"class":644,"line":860},[642,1598,1276],{"class":769},[642,1600,906],{"class":765},[642,1602,1603],{"class":807},"addHook",[642,1605,872],{"class":769},[642,1607,832],{"class":765},[642,1609,1610],{"class":651},"onRequest",[642,1612,832],{"class":765},[642,1614,813],{"class":765},[642,1616,1617],{"class":797}," async",[642,1619,878],{"class":765},[642,1621,1082],{"class":881},[642,1623,885],{"class":765},[642,1625,888],{"class":797},[642,1627,816],{"class":765},[642,1629,1630,1632,1634,1636,1638,1640,1642,1644,1646,1648,1650,1652,1654,1656,1659],{"class":644,"line":893},[642,1631,926],{"class":761},[642,1633,929],{"class":807},[642,1635,872],{"class":822},[642,1637,1082],{"class":769},[642,1639,906],{"class":765},[642,1641,914],{"class":769},[642,1643,813],{"class":765},[642,1645,1124],{"class":769},[642,1647,906],{"class":765},[642,1649,951],{"class":769},[642,1651,813],{"class":765},[642,1653,1124],{"class":769},[642,1655,906],{"class":765},[642,1657,1658],{"class":769},"url",[642,1660,852],{"class":822},[642,1662,1663,1665],{"class":644,"line":923},[642,1664,849],{"class":765},[642,1666,852],{"class":769},[632,1668,1671],{"className":751,"code":1669,"filename":1670,"language":754,"meta":638,"style":638},"import { createAuthMiddleware } from 'evlog\u002Fbetter-auth'\n\nconst identify = createAuthMiddleware(auth, {\n  exclude: ['\u002Fapi\u002Fauth\u002F**'],\n})\n\napp.derive(async ({ log, request }) => {\n  await identify(log, request.headers, new URL(request.url).pathname)\n  return {}\n})\n","src\u002Findex.ts (Elysia)",[586,1672,1673,1691,1695,1711,1729,1735,1739,1768,1811,1818],{"__ignoreMap":638},[642,1674,1675,1677,1679,1681,1683,1685,1687,1689],{"class":644,"line":645},[642,1676,762],{"class":761},[642,1678,766],{"class":765},[642,1680,770],{"class":769},[642,1682,773],{"class":765},[642,1684,776],{"class":761},[642,1686,779],{"class":765},[642,1688,588],{"class":651},[642,1690,784],{"class":765},[642,1692,1693],{"class":644,"line":787},[642,1694,791],{"emptyLinePlaceholder":790},[642,1696,1697,1699,1701,1703,1705,1707,1709],{"class":644,"line":794},[642,1698,798],{"class":797},[642,1700,801],{"class":769},[642,1702,804],{"class":765},[642,1704,770],{"class":807},[642,1706,810],{"class":769},[642,1708,813],{"class":765},[642,1710,816],{"class":765},[642,1712,1713,1715,1717,1719,1721,1723,1725,1727],{"class":644,"line":819},[642,1714,823],{"class":822},[642,1716,826],{"class":765},[642,1718,829],{"class":769},[642,1720,832],{"class":765},[642,1722,835],{"class":651},[642,1724,832],{"class":765},[642,1726,840],{"class":769},[642,1728,843],{"class":765},[642,1730,1731,1733],{"class":644,"line":846},[642,1732,849],{"class":765},[642,1734,852],{"class":769},[642,1736,1737],{"class":644,"line":855},[642,1738,791],{"emptyLinePlaceholder":790},[642,1740,1741,1743,1745,1748,1750,1752,1755,1757,1759,1761,1764,1766],{"class":644,"line":860},[642,1742,1276],{"class":769},[642,1744,906],{"class":765},[642,1746,1747],{"class":807},"derive",[642,1749,872],{"class":769},[642,1751,875],{"class":797},[642,1753,1754],{"class":765}," ({",[642,1756,1101],{"class":881},[642,1758,813],{"class":765},[642,1760,1124],{"class":881},[642,1762,1763],{"class":765}," })",[642,1765,888],{"class":797},[642,1767,816],{"class":765},[642,1769,1770,1772,1774,1776,1778,1780,1782,1784,1786,1788,1791,1794,1796,1798,1800,1802,1804,1806,1809],{"class":644,"line":893},[642,1771,926],{"class":761},[642,1773,929],{"class":807},[642,1775,872],{"class":822},[642,1777,914],{"class":769},[642,1779,813],{"class":765},[642,1781,1124],{"class":769},[642,1783,906],{"class":765},[642,1785,951],{"class":769},[642,1787,813],{"class":765},[642,1789,1790],{"class":765}," new",[642,1792,1793],{"class":807}," URL",[642,1795,872],{"class":822},[642,1797,1082],{"class":769},[642,1799,906],{"class":765},[642,1801,1658],{"class":769},[642,1803,885],{"class":822},[642,1805,906],{"class":765},[642,1807,1808],{"class":769},"pathname",[642,1810,852],{"class":822},[642,1812,1813,1815],{"class":644,"line":923},[642,1814,1167],{"class":761},[642,1816,1817],{"class":765}," {}\n",[642,1819,1820,1822],{"class":644,"line":965},[642,1821,849],{"class":765},[642,1823,852],{"class":769},[632,1825,1828],{"className":751,"code":1826,"filename":1827,"language":754,"meta":638,"style":638},"import { createAuthMiddleware } from 'evlog\u002Fbetter-auth'\nimport { useLogger } from 'evlog\u002Fnestjs'\n\nconst identify = createAuthMiddleware(auth, {\n  exclude: ['\u002Fapi\u002Fauth\u002F**'],\n})\n\n@Injectable()\nexport class AuthIdentifyMiddleware implements NestMiddleware {\n  async use(req: Request, res: Response, next: NextFunction) {\n    await identify(useLogger(), req.headers, req.path)\n    next()\n  }\n}\n","src\u002Fauth-identify.middleware.ts (NestJS)",[586,1829,1830,1848,1867,1871,1887,1905,1911,1915,1925,1943,1980,2013,2020,2026],{"__ignoreMap":638},[642,1831,1832,1834,1836,1838,1840,1842,1844,1846],{"class":644,"line":645},[642,1833,762],{"class":761},[642,1835,766],{"class":765},[642,1837,770],{"class":769},[642,1839,773],{"class":765},[642,1841,776],{"class":761},[642,1843,779],{"class":765},[642,1845,588],{"class":651},[642,1847,784],{"class":765},[642,1849,1850,1852,1854,1856,1858,1860,1862,1865],{"class":644,"line":787},[642,1851,762],{"class":761},[642,1853,766],{"class":765},[642,1855,989],{"class":769},[642,1857,773],{"class":765},[642,1859,776],{"class":761},[642,1861,779],{"class":765},[642,1863,1864],{"class":651},"evlog\u002Fnestjs",[642,1866,784],{"class":765},[642,1868,1869],{"class":644,"line":794},[642,1870,791],{"emptyLinePlaceholder":790},[642,1872,1873,1875,1877,1879,1881,1883,1885],{"class":644,"line":819},[642,1874,798],{"class":797},[642,1876,801],{"class":769},[642,1878,804],{"class":765},[642,1880,770],{"class":807},[642,1882,810],{"class":769},[642,1884,813],{"class":765},[642,1886,816],{"class":765},[642,1888,1889,1891,1893,1895,1897,1899,1901,1903],{"class":644,"line":846},[642,1890,823],{"class":822},[642,1892,826],{"class":765},[642,1894,829],{"class":769},[642,1896,832],{"class":765},[642,1898,835],{"class":651},[642,1900,832],{"class":765},[642,1902,840],{"class":769},[642,1904,843],{"class":765},[642,1906,1907,1909],{"class":644,"line":855},[642,1908,849],{"class":765},[642,1910,852],{"class":769},[642,1912,1913],{"class":644,"line":860},[642,1914,791],{"emptyLinePlaceholder":790},[642,1916,1917,1920,1923],{"class":644,"line":893},[642,1918,1919],{"class":765},"@",[642,1921,1922],{"class":807},"Injectable",[642,1924,1109],{"class":769},[642,1926,1927,1929,1932,1935,1938,1941],{"class":644,"line":923},[642,1928,863],{"class":761},[642,1930,1931],{"class":797}," class",[642,1933,1934],{"class":648}," AuthIdentifyMiddleware",[642,1936,1937],{"class":797}," implements",[642,1939,1940],{"class":648}," NestMiddleware",[642,1942,816],{"class":765},[642,1944,1945,1948,1951,1953,1955,1957,1959,1961,1963,1965,1967,1969,1971,1973,1976,1978],{"class":644,"line":965},[642,1946,1947],{"class":797},"  async",[642,1949,1950],{"class":822}," use",[642,1952,872],{"class":765},[642,1954,1290],{"class":881},[642,1956,826],{"class":765},[642,1958,1087],{"class":648},[642,1960,813],{"class":765},[642,1962,1295],{"class":881},[642,1964,826],{"class":765},[642,1966,1170],{"class":648},[642,1968,813],{"class":765},[642,1970,1300],{"class":881},[642,1972,826],{"class":765},[642,1974,1975],{"class":648}," NextFunction",[642,1977,885],{"class":765},[642,1979,816],{"class":765},[642,1981,1982,1985,1987,1989,1992,1995,1997,1999,2001,2003,2005,2007,2009,2011],{"class":644,"line":1164},[642,1983,1984],{"class":761},"    await",[642,1986,929],{"class":807},[642,1988,872],{"class":822},[642,1990,1991],{"class":807},"useLogger",[642,1993,1994],{"class":822},"()",[642,1996,813],{"class":765},[642,1998,1325],{"class":769},[642,2000,906],{"class":765},[642,2002,951],{"class":769},[642,2004,813],{"class":765},[642,2006,1325],{"class":769},[642,2008,906],{"class":765},[642,2010,960],{"class":769},[642,2012,852],{"class":822},[642,2014,2015,2018],{"class":644,"line":1195},[642,2016,2017],{"class":807},"    next",[642,2019,1109],{"class":822},[642,2021,2023],{"class":644,"line":2022},13,[642,2024,2025],{"class":765},"  }\n",[642,2027,2029],{"class":644,"line":2028},14,[642,2030,2031],{"class":765},"}\n",[632,2033,2036],{"className":751,"code":2034,"filename":2035,"language":754,"meta":638,"style":638},"import { identifyUser } from 'evlog\u002Fbetter-auth'\nimport { createLogger } from 'evlog'\n\nconst log = createLogger()\nconst session = await auth.api.getSession({ headers })\nif (session) identifyUser(log, session)\nlog.emit()\n","scripts\u002Fsync-job.ts (Standalone)",[586,2037,2038,2057,2076,2080,2093,2128,2147],{"__ignoreMap":638},[642,2039,2040,2042,2044,2047,2049,2051,2053,2055],{"class":644,"line":645},[642,2041,762],{"class":761},[642,2043,766],{"class":765},[642,2045,2046],{"class":769}," identifyUser",[642,2048,773],{"class":765},[642,2050,776],{"class":761},[642,2052,779],{"class":765},[642,2054,588],{"class":651},[642,2056,784],{"class":765},[642,2058,2059,2061,2063,2066,2068,2070,2072,2074],{"class":644,"line":787},[642,2060,762],{"class":761},[642,2062,766],{"class":765},[642,2064,2065],{"class":769}," createLogger",[642,2067,773],{"class":765},[642,2069,776],{"class":761},[642,2071,779],{"class":765},[642,2073,616],{"class":651},[642,2075,784],{"class":765},[642,2077,2078],{"class":644,"line":794},[642,2079,791],{"emptyLinePlaceholder":790},[642,2081,2082,2084,2087,2089,2091],{"class":644,"line":819},[642,2083,798],{"class":797},[642,2085,2086],{"class":769}," log ",[642,2088,804],{"class":765},[642,2090,2065],{"class":807},[642,2092,1109],{"class":769},[642,2094,2095,2097,2100,2102,2105,2107,2109,2112,2114,2117,2119,2121,2124,2126],{"class":644,"line":846},[642,2096,798],{"class":797},[642,2098,2099],{"class":769}," session ",[642,2101,804],{"class":765},[642,2103,2104],{"class":761}," await",[642,2106,1027],{"class":769},[642,2108,906],{"class":765},[642,2110,2111],{"class":769},"api",[642,2113,906],{"class":765},[642,2115,2116],{"class":807},"getSession",[642,2118,872],{"class":769},[642,2120,1145],{"class":765},[642,2122,2123],{"class":769}," headers ",[642,2125,849],{"class":765},[642,2127,852],{"class":769},[642,2129,2130,2133,2136,2139,2142,2144],{"class":644,"line":855},[642,2131,2132],{"class":761},"if",[642,2134,2135],{"class":769}," (session) ",[642,2137,2138],{"class":807},"identifyUser",[642,2140,2141],{"class":769},"(log",[642,2143,813],{"class":765},[642,2145,2146],{"class":769}," session)\n",[642,2148,2149,2151,2153,2156],{"class":644,"line":860},[642,2150,914],{"class":769},[642,2152,906],{"class":765},[642,2154,2155],{"class":807},"emit",[642,2157,1109],{"class":769},[583,2159,2160],{},"Your wide event now includes the user:",[629,2162,2163,2340],{},[632,2164,2168],{"className":2165,"code":2166,"filename":2167,"language":1175,"meta":638,"style":638},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"level\": \"info\",\n  \"method\": \"POST\",\n  \"path\": \"\u002Fapi\u002Fcheckout\",\n  \"status\": 200,\n  \"duration\": \"120ms\",\n  \"requestId\": \"a5669202-7765-4f59-b6f0-b9f40ce71599\",\n  \"cart\": { \"items\": 3, \"total\": 9999 }\n}\n","Before — 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Auth routes are skipped by default. Resolution timing is captured on ",[586,2817,2818],{},"auth.resolvedIn",", so you can chart auth latency alongside the rest of the wide event.",[595,2821,2823],{"id":2822},"where-to-next","Where to next",[2825,2826,2827,2831,2842,2849],"card-group",{},[2828,2829,2830],"card",{"icon":372,"title":369,"to":370},"The core building block: extract safe fields, mask emails, capture plugin data (organizations, roles, 2FA).",[2828,2832,2833,2834,2837,2838,2841],{"icon":377,"title":374,"to":375},"Filter routes with ",[586,2835,2836],{},"include","\u002F",[586,2839,2840],{},"exclude",", react to identification with lifecycle hooks, and tune behaviour per app.",[2828,2843,2844,2845,2848],{"icon":330,"title":379,"to":380},"Mirror the user identity into client-side logs with ",[586,2846,2847],{},"setIdentity"," and the Better Auth client.",[2828,2850,2851],{"icon":112,"title":383,"to":384},"Watch session resolution time, enable session caching, and combine with the AI SDK integration.",[595,2853,2855],{"id":2854},"what-the-package-exports","What the package exports",[2857,2858,2859,2872],"table",{},[2860,2861,2862],"thead",{},[2863,2864,2865,2869],"tr",{},[2866,2867,2868],"th",{},"Export",[2866,2870,2871],{},"Description",[2873,2874,2875,2890,2904,2920],"tbody",{},[2863,2876,2877,2883],{},[2878,2879,2880],"td",{},[586,2881,2882],{},"identifyUser(log, session)",[2878,2884,2885,2886,2889],{},"Core helper — extracts safe fields from a session and sets them on the logger. 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See ",[603,2918,383],{"href":2919},"\u002Fuse-cases\u002Fbetter-auth\u002Fperformance#standalone-nitro",[2863,2921,2922,2927],{},[2878,2923,2924],{},[586,2925,2926],{},"maskEmail(email)",[2878,2928,2929,2930,2932,2933,906],{},"Mask an email: ",[586,2931,2542],{}," → ",[586,2934,2935],{},"h***@example.com",[2937,2938,2939],"style",{},"html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sHdIc, html code.shiki .sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":638,"searchDepth":787,"depth":787,"links":2941},[2942,2943,2944,2945,2946],{"id":597,"depth":787,"text":598},{"id":743,"depth":787,"text":25},{"id":2800,"depth":787,"text":2801},{"id":2822,"depth":787,"text":2823},{"id":2854,"depth":787,"text":2855},"Identify the user on authenticated requests, so each wide event carries who made it without a manual log.set call.","md",[2950,2953,2954,2955],{"label":369,"icon":372,"to":370,"color":2951,"variant":2952},"neutral","subtle",{"label":374,"icon":377,"to":375,"color":2951,"variant":2952},{"label":379,"icon":330,"to":380,"color":2951,"variant":2952},{"label":383,"icon":112,"to":384,"color":2951,"variant":2952},{},{"title":41,"icon":44},{"title":578,"description":2947},"YD-bV4lZy8xdfkvIzcnASruD-Y10UInlbQzlW_jafzc",[2961,2963],{"title":356,"path":357,"stem":358,"description":2962,"icon":137,"children":-1},"Add tool execution timing and total wall time with createEvlogIntegration. 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