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But as your codebase grows, inconsistencies creep in: one route logs ",[577,582,583],{},"user",", another logs ",[577,586,587],{},"account",", a third logs ",[577,590,591],{},"userId",". Typed fields solve this with opt-in compile-time safety.",[594,595],"typed-fields-intellisense",{},[597,598,600],"h2",{"id":599},"basic-usage","Basic Usage",[573,602,603,604,606],{},"Define an interface for your fields and pass it as a generic to ",[577,605,579],{},":",[608,609,615],"pre",{"className":610,"code":611,"filename":612,"language":613,"meta":614,"style":614},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { useLogger } from 'evlog'\n\ninterface CheckoutFields {\n  user: { id: string; plan: string }\n  cart: { items: number; total: number }\n  action: string\n}\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger\u003CCheckoutFields>(event)\n\n  log.set({ user: { id: '123', plan: 'pro' } })  \u002F\u002F OK\n  log.set({ cart: { items: 3, total: 9999 } })    \u002F\u002F OK\n  log.set({ action: 'checkout' })                  \u002F\u002F OK\n\n  log.set({ account: '...' })                      \u002F\u002F TS error\n  log.set({ usr: { id: '123' } })                  \u002F\u002F TS error\n\n  return { success: true }\n})\n","server\u002Fapi\u002Fcheckout.post.ts","typescript","",[577,616,617,650,657,671,703,732,743,749,754,788,818,823,884,930,962,967,1000,1038,1043,1062],{"__ignoreMap":614},[618,619,622,626,630,634,637,640,643,647],"span",{"class":620,"line":621},"line",1,[618,623,625],{"class":624},"s7zQu","import",[618,627,629],{"class":628},"sMK4o"," {",[618,631,633],{"class":632},"sTEyZ"," useLogger",[618,635,636],{"class":628}," }",[618,638,639],{"class":624}," from",[618,641,642],{"class":628}," '",[618,644,646],{"class":645},"sfazB","evlog",[618,648,649],{"class":628},"'\n",[618,651,653],{"class":620,"line":652},2,[618,654,656],{"emptyLinePlaceholder":655},true,"\n",[618,658,660,664,668],{"class":620,"line":659},3,[618,661,663],{"class":662},"spNyl","interface",[618,665,667],{"class":666},"sBMFI"," CheckoutFields",[618,669,670],{"class":628}," {\n",[618,672,674,678,680,682,685,687,690,693,696,698,700],{"class":620,"line":673},4,[618,675,677],{"class":676},"swJcz","  user",[618,679,606],{"class":628},[618,681,629],{"class":628},[618,683,684],{"class":676}," id",[618,686,606],{"class":628},[618,688,689],{"class":666}," string",[618,691,692],{"class":628},";",[618,694,695],{"class":676}," plan",[618,697,606],{"class":628},[618,699,689],{"class":666},[618,701,702],{"class":628}," }\n",[618,704,706,709,711,713,716,718,721,723,726,728,730],{"class":620,"line":705},5,[618,707,708],{"class":676},"  cart",[618,710,606],{"class":628},[618,712,629],{"class":628},[618,714,715],{"class":676}," items",[618,717,606],{"class":628},[618,719,720],{"class":666}," number",[618,722,692],{"class":628},[618,724,725],{"class":676}," total",[618,727,606],{"class":628},[618,729,720],{"class":666},[618,731,702],{"class":628},[618,733,735,738,740],{"class":620,"line":734},6,[618,736,737],{"class":676},"  action",[618,739,606],{"class":628},[618,741,742],{"class":666}," string\n",[618,744,746],{"class":620,"line":745},7,[618,747,748],{"class":628},"}\n",[618,750,752],{"class":620,"line":751},8,[618,753,656],{"emptyLinePlaceholder":655},[618,755,757,760,763,767,770,773,776,780,783,786],{"class":620,"line":756},9,[618,758,759],{"class":624},"export",[618,761,762],{"class":624}," default",[618,764,766],{"class":765},"s2Zo4"," defineEventHandler",[618,768,769],{"class":632},"(",[618,771,772],{"class":662},"async",[618,774,775],{"class":628}," (",[618,777,779],{"class":778},"sHdIc","event",[618,781,782],{"class":628},")",[618,784,785],{"class":662}," =>",[618,787,670],{"class":628},[618,789,791,794,797,800,802,805,808,811,813,815],{"class":620,"line":790},10,[618,792,793],{"class":662},"  const",[618,795,796],{"class":632}," log",[618,798,799],{"class":628}," =",[618,801,633],{"class":765},[618,803,804],{"class":628},"\u003C",[618,806,807],{"class":666},"CheckoutFields",[618,809,810],{"class":628},">",[618,812,769],{"class":676},[618,814,779],{"class":632},[618,816,817],{"class":676},")\n",[618,819,821],{"class":620,"line":820},11,[618,822,656],{"emptyLinePlaceholder":655},[618,824,826,829,832,835,837,840,843,845,847,849,851,853,856,859,862,864,866,868,871,873,875,877,880],{"class":620,"line":825},12,[618,827,828],{"class":632},"  log",[618,830,831],{"class":628},".",[618,833,834],{"class":765},"set",[618,836,769],{"class":676},[618,838,839],{"class":628},"{",[618,841,842],{"class":676}," user",[618,844,606],{"class":628},[618,846,629],{"class":628},[618,848,684],{"class":676},[618,850,606],{"class":628},[618,852,642],{"class":628},[618,854,855],{"class":645},"123",[618,857,858],{"class":628},"'",[618,860,861],{"class":628},",",[618,863,695],{"class":676},[618,865,606],{"class":628},[618,867,642],{"class":628},[618,869,870],{"class":645},"pro",[618,872,858],{"class":628},[618,874,636],{"class":628},[618,876,636],{"class":628},[618,878,879],{"class":676},")  ",[618,881,883],{"class":882},"sHwdD","\u002F\u002F OK\n",[618,885,887,889,891,893,895,897,900,902,904,906,908,912,914,916,918,921,923,925,928],{"class":620,"line":886},13,[618,888,828],{"class":632},[618,890,831],{"class":628},[618,892,834],{"class":765},[618,894,769],{"class":676},[618,896,839],{"class":628},[618,898,899],{"class":676}," cart",[618,901,606],{"class":628},[618,903,629],{"class":628},[618,905,715],{"class":676},[618,907,606],{"class":628},[618,909,911],{"class":910},"sbssI"," 3",[618,913,861],{"class":628},[618,915,725],{"class":676},[618,917,606],{"class":628},[618,919,920],{"class":910}," 9999",[618,922,636],{"class":628},[618,924,636],{"class":628},[618,926,927],{"class":676},")    ",[618,929,883],{"class":882},[618,931,933,935,937,939,941,943,946,948,950,953,955,957,960],{"class":620,"line":932},14,[618,934,828],{"class":632},[618,936,831],{"class":628},[618,938,834],{"class":765},[618,940,769],{"class":676},[618,942,839],{"class":628},[618,944,945],{"class":676}," action",[618,947,606],{"class":628},[618,949,642],{"class":628},[618,951,952],{"class":645},"checkout",[618,954,858],{"class":628},[618,956,636],{"class":628},[618,958,959],{"class":676},")                  ",[618,961,883],{"class":882},[618,963,965],{"class":620,"line":964},15,[618,966,656],{"emptyLinePlaceholder":655},[618,968,970,972,974,976,978,980,983,985,987,990,992,994,997],{"class":620,"line":969},16,[618,971,828],{"class":632},[618,973,831],{"class":628},[618,975,834],{"class":765},[618,977,769],{"class":676},[618,979,839],{"class":628},[618,981,982],{"class":676}," account",[618,984,606],{"class":628},[618,986,642],{"class":628},[618,988,989],{"class":645},"...",[618,991,858],{"class":628},[618,993,636],{"class":628},[618,995,996],{"class":676},")                      ",[618,998,999],{"class":882},"\u002F\u002F TS error\n",[618,1001,1003,1005,1007,1009,1011,1013,1016,1018,1020,1022,1024,1026,1028,1030,1032,1034,1036],{"class":620,"line":1002},17,[618,1004,828],{"class":632},[618,1006,831],{"class":628},[618,1008,834],{"class":765},[618,1010,769],{"class":676},[618,1012,839],{"class":628},[618,1014,1015],{"class":676}," usr",[618,1017,606],{"class":628},[618,1019,629],{"class":628},[618,1021,684],{"class":676},[618,1023,606],{"class":628},[618,1025,642],{"class":628},[618,1027,855],{"class":645},[618,1029,858],{"class":628},[618,1031,636],{"class":628},[618,1033,636],{"class":628},[618,1035,959],{"class":676},[618,1037,999],{"class":882},[618,1039,1041],{"class":620,"line":1040},18,[618,1042,656],{"emptyLinePlaceholder":655},[618,1044,1046,1049,1051,1054,1056,1060],{"class":620,"line":1045},19,[618,1047,1048],{"class":624},"  return",[618,1050,629],{"class":628},[618,1052,1053],{"class":676}," success",[618,1055,606],{"class":628},[618,1057,1059],{"class":1058},"sfNiH"," true",[618,1061,702],{"class":628},[618,1063,1065,1068],{"class":620,"line":1064},20,[618,1066,1067],{"class":628},"}",[618,1069,817],{"class":632},[573,1071,1072],{},"TypeScript then catches a typo or an unknown field at compile time, which is the only place a field-name mistake is cheap: once the event is in your drain the wrong key is already indexed, already queried, and already in someone's dashboard.",[597,1074,1076],{"id":1075},"internal-fields","Internal Fields",[573,1078,1079,1080,1083,1084,1087,1088,606],{},"Some fields evlog sets itself. ",[577,1081,1082],{},"status"," and ",[577,1085,1086],{},"service"," are always accepted whatever your type says, through ",[577,1089,1090],{},"InternalFields",[608,1092,1094],{"className":610,"code":1093,"filename":612,"language":613,"meta":614,"style":614},"log.set({ status: 200 })    \u002F\u002F OK - internal field\nlog.set({ service: 'api' }) \u002F\u002F OK - internal field\n",[577,1095,1096,1124],{"__ignoreMap":614},[618,1097,1098,1101,1103,1105,1107,1109,1112,1114,1117,1119,1121],{"class":620,"line":621},[618,1099,1100],{"class":632},"log",[618,1102,831],{"class":628},[618,1104,834],{"class":765},[618,1106,769],{"class":632},[618,1108,839],{"class":628},[618,1110,1111],{"class":676}," status",[618,1113,606],{"class":628},[618,1115,1116],{"class":910}," 200",[618,1118,636],{"class":628},[618,1120,927],{"class":632},[618,1122,1123],{"class":882},"\u002F\u002F OK - internal field\n",[618,1125,1126,1128,1130,1132,1134,1136,1139,1141,1143,1146,1148,1150,1153],{"class":620,"line":652},[618,1127,1100],{"class":632},[618,1129,831],{"class":628},[618,1131,834],{"class":765},[618,1133,769],{"class":632},[618,1135,839],{"class":628},[618,1137,1138],{"class":676}," service",[618,1140,606],{"class":628},[618,1142,642],{"class":628},[618,1144,1145],{"class":645},"api",[618,1147,858],{"class":628},[618,1149,636],{"class":628},[618,1151,1152],{"class":632},") ",[618,1154,1123],{"class":882},[573,1156,1157,1158,1160,1161,1163],{},"You don't need to include ",[577,1159,1082],{}," or ",[577,1162,1086],{}," in your interface.",[597,1165,1167],{"id":1166},"untyped-usage","Untyped Usage",[573,1169,1170,1171,1173],{},"Without a generic, ",[577,1172,579],{}," accepts any fields as usual:",[608,1175,1178],{"className":610,"code":1176,"filename":1177,"language":613,"meta":614,"style":614},"const log = useLogger(event)\nlog.set({ anything: true, nested: { deep: 'value' } }) \u002F\u002F OK\n","server\u002Fapi\u002Fexample.ts",[577,1179,1180,1196],{"__ignoreMap":614},[618,1181,1182,1185,1188,1191,1193],{"class":620,"line":621},[618,1183,1184],{"class":662},"const",[618,1186,1187],{"class":632}," log ",[618,1189,1190],{"class":628},"=",[618,1192,633],{"class":765},[618,1194,1195],{"class":632},"(event)\n",[618,1197,1198,1200,1202,1204,1206,1208,1211,1213,1215,1217,1220,1222,1224,1227,1229,1231,1234,1236,1238,1240,1242],{"class":620,"line":652},[618,1199,1100],{"class":632},[618,1201,831],{"class":628},[618,1203,834],{"class":765},[618,1205,769],{"class":632},[618,1207,839],{"class":628},[618,1209,1210],{"class":676}," anything",[618,1212,606],{"class":628},[618,1214,1059],{"class":1058},[618,1216,861],{"class":628},[618,1218,1219],{"class":676}," nested",[618,1221,606],{"class":628},[618,1223,629],{"class":628},[618,1225,1226],{"class":676}," deep",[618,1228,606],{"class":628},[618,1230,642],{"class":628},[618,1232,1233],{"class":645},"value",[618,1235,858],{"class":628},[618,1237,636],{"class":628},[618,1239,636],{"class":628},[618,1241,1152],{"class":632},[618,1243,883],{"class":882},[573,1245,1246],{},"Typed fields are fully opt-in.",[597,1248,1250],{"id":1249},"nuxt-auto-import","Nuxt Auto-Import",[1252,1253,1256,1257,1260],"callout",{"color":1254,"icon":1255},"warning","i-lucide-triangle-alert","Typed fields with ",[577,1258,1259],{},"useLogger\u003CT>"," need an explicit import. The auto-import cannot carry excess property checking through a generic, a TypeScript limitation rather than a module one.",[608,1262,1264],{"className":610,"code":1263,"filename":612,"language":613,"meta":614,"style":614},"\u002F\u002F Works - explicit import preserves type checking\nimport { useLogger } from 'evlog'\nconst log = useLogger\u003CMyFields>(event)\nlog.set({ typo: 'oops' }) \u002F\u002F TS error\n\n\u002F\u002F Does NOT work - auto-import loses excess property checking\nconst log = useLogger\u003CMyFields>(event)\nlog.set({ typo: 'oops' }) \u002F\u002F No error (silently accepted)\n",[577,1265,1266,1271,1289,1308,1338,1342,1347,1365],{"__ignoreMap":614},[618,1267,1268],{"class":620,"line":621},[618,1269,1270],{"class":882},"\u002F\u002F Works - explicit import preserves type checking\n",[618,1272,1273,1275,1277,1279,1281,1283,1285,1287],{"class":620,"line":652},[618,1274,625],{"class":624},[618,1276,629],{"class":628},[618,1278,633],{"class":632},[618,1280,636],{"class":628},[618,1282,639],{"class":624},[618,1284,642],{"class":628},[618,1286,646],{"class":645},[618,1288,649],{"class":628},[618,1290,1291,1293,1295,1297,1299,1301,1304,1306],{"class":620,"line":659},[618,1292,1184],{"class":662},[618,1294,1187],{"class":632},[618,1296,1190],{"class":628},[618,1298,633],{"class":765},[618,1300,804],{"class":628},[618,1302,1303],{"class":666},"MyFields",[618,1305,810],{"class":628},[618,1307,1195],{"class":632},[618,1309,1310,1312,1314,1316,1318,1320,1323,1325,1327,1330,1332,1334,1336],{"class":620,"line":673},[618,1311,1100],{"class":632},[618,1313,831],{"class":628},[618,1315,834],{"class":765},[618,1317,769],{"class":632},[618,1319,839],{"class":628},[618,1321,1322],{"class":676}," typo",[618,1324,606],{"class":628},[618,1326,642],{"class":628},[618,1328,1329],{"class":645},"oops",[618,1331,858],{"class":628},[618,1333,636],{"class":628},[618,1335,1152],{"class":632},[618,1337,999],{"class":882},[618,1339,1340],{"class":620,"line":705},[618,1341,656],{"emptyLinePlaceholder":655},[618,1343,1344],{"class":620,"line":734},[618,1345,1346],{"class":882},"\u002F\u002F Does NOT work - auto-import loses excess property checking\n",[618,1348,1349,1351,1353,1355,1357,1359,1361,1363],{"class":620,"line":745},[618,1350,1184],{"class":662},[618,1352,1187],{"class":632},[618,1354,1190],{"class":628},[618,1356,633],{"class":765},[618,1358,804],{"class":628},[618,1360,1303],{"class":666},[618,1362,810],{"class":628},[618,1364,1195],{"class":632},[618,1366,1367,1369,1371,1373,1375,1377,1379,1381,1383,1385,1387,1389,1391],{"class":620,"line":751},[618,1368,1100],{"class":632},[618,1370,831],{"class":628},[618,1372,834],{"class":765},[618,1374,769],{"class":632},[618,1376,839],{"class":628},[618,1378,1322],{"class":676},[618,1380,606],{"class":628},[618,1382,642],{"class":628},[618,1384,1329],{"class":645},[618,1386,858],{"class":628},[618,1388,636],{"class":628},[618,1390,1152],{"class":632},[618,1392,1393],{"class":882},"\u002F\u002F No error (silently accepted)\n",[573,1395,1396],{},"Untyped usage keeps the auto-import. Add the explicit one only where you pass a generic.",[597,1398,1400],{"id":1399},"outside-nuxt","Outside Nuxt",[573,1402,1403,1404,1083,1407,606],{},"The same generic works with ",[577,1405,1406],{},"createRequestLogger",[577,1408,1409],{},"createWorkersLogger",[1411,1412,1413,1605],"code-group",{},[608,1414,1416],{"className":610,"code":1415,"filename":295,"language":613,"meta":614,"style":614},"import { createRequestLogger } from 'evlog'\n\ninterface MyFields {\n  action: string\n  userId: string\n}\n\nconst log = createRequestLogger\u003CMyFields>({\n  method: 'POST',\n  path: '\u002Fcheckout',\n})\n\nlog.set({ action: 'checkout', userId: '123' }) \u002F\u002F OK\nlog.set({ unknown: true })                      \u002F\u002F TS error\n",[577,1417,1418,1437,1441,1450,1458,1467,1471,1475,1496,1513,1529,1535,1539,1580],{"__ignoreMap":614},[618,1419,1420,1422,1424,1427,1429,1431,1433,1435],{"class":620,"line":621},[618,1421,625],{"class":624},[618,1423,629],{"class":628},[618,1425,1426],{"class":632}," createRequestLogger",[618,1428,636],{"class":628},[618,1430,639],{"class":624},[618,1432,642],{"class":628},[618,1434,646],{"class":645},[618,1436,649],{"class":628},[618,1438,1439],{"class":620,"line":652},[618,1440,656],{"emptyLinePlaceholder":655},[618,1442,1443,1445,1448],{"class":620,"line":659},[618,1444,663],{"class":662},[618,1446,1447],{"class":666}," MyFields",[618,1449,670],{"class":628},[618,1451,1452,1454,1456],{"class":620,"line":673},[618,1453,737],{"class":676},[618,1455,606],{"class":628},[618,1457,742],{"class":666},[618,1459,1460,1463,1465],{"class":620,"line":705},[618,1461,1462],{"class":676},"  userId",[618,1464,606],{"class":628},[618,1466,742],{"class":666},[618,1468,1469],{"class":620,"line":734},[618,1470,748],{"class":628},[618,1472,1473],{"class":620,"line":745},[618,1474,656],{"emptyLinePlaceholder":655},[618,1476,1477,1479,1481,1483,1485,1487,1489,1491,1493],{"class":620,"line":751},[618,1478,1184],{"class":662},[618,1480,1187],{"class":632},[618,1482,1190],{"class":628},[618,1484,1426],{"class":765},[618,1486,804],{"class":628},[618,1488,1303],{"class":666},[618,1490,810],{"class":628},[618,1492,769],{"class":632},[618,1494,1495],{"class":628},"{\n",[618,1497,1498,1501,1503,1505,1508,1510],{"class":620,"line":756},[618,1499,1500],{"class":676},"  method",[618,1502,606],{"class":628},[618,1504,642],{"class":628},[618,1506,1507],{"class":645},"POST",[618,1509,858],{"class":628},[618,1511,1512],{"class":628},",\n",[618,1514,1515,1518,1520,1522,1525,1527],{"class":620,"line":790},[618,1516,1517],{"class":676},"  path",[618,1519,606],{"class":628},[618,1521,642],{"class":628},[618,1523,1524],{"class":645},"\u002Fcheckout",[618,1526,858],{"class":628},[618,1528,1512],{"class":628},[618,1530,1531,1533],{"class":620,"line":820},[618,1532,1067],{"class":628},[618,1534,817],{"class":632},[618,1536,1537],{"class":620,"line":825},[618,1538,656],{"emptyLinePlaceholder":655},[618,1540,1541,1543,1545,1547,1549,1551,1553,1555,1557,1559,1561,1563,1566,1568,1570,1572,1574,1576,1578],{"class":620,"line":886},[618,1542,1100],{"class":632},[618,1544,831],{"class":628},[618,1546,834],{"class":765},[618,1548,769],{"class":632},[618,1550,839],{"class":628},[618,1552,945],{"class":676},[618,1554,606],{"class":628},[618,1556,642],{"class":628},[618,1558,952],{"class":645},[618,1560,858],{"class":628},[618,1562,861],{"class":628},[618,1564,1565],{"class":676}," userId",[618,1567,606],{"class":628},[618,1569,642],{"class":628},[618,1571,855],{"class":645},[618,1573,858],{"class":628},[618,1575,636],{"class":628},[618,1577,1152],{"class":632},[618,1579,883],{"class":882},[618,1581,1582,1584,1586,1588,1590,1592,1595,1597,1599,1601,1603],{"class":620,"line":932},[618,1583,1100],{"class":632},[618,1585,831],{"class":628},[618,1587,834],{"class":765},[618,1589,769],{"class":632},[618,1591,839],{"class":628},[618,1593,1594],{"class":676}," unknown",[618,1596,606],{"class":628},[618,1598,1059],{"class":1058},[618,1600,636],{"class":628},[618,1602,996],{"class":632},[618,1604,999],{"class":882},[608,1606,1608],{"className":610,"code":1607,"filename":290,"language":613,"meta":614,"style":614},"import { createWorkersLogger } from 'evlog\u002Fworkers'\n\ninterface MyFields {\n  action: string\n}\n\nconst log = createWorkersLogger\u003CMyFields>(request)\nlog.set({ action: 'process' }) \u002F\u002F OK\n",[577,1609,1610,1630,1634,1642,1650,1654,1658,1677],{"__ignoreMap":614},[618,1611,1612,1614,1616,1619,1621,1623,1625,1628],{"class":620,"line":621},[618,1613,625],{"class":624},[618,1615,629],{"class":628},[618,1617,1618],{"class":632}," createWorkersLogger",[618,1620,636],{"class":628},[618,1622,639],{"class":624},[618,1624,642],{"class":628},[618,1626,1627],{"class":645},"evlog\u002Fworkers",[618,1629,649],{"class":628},[618,1631,1632],{"class":620,"line":652},[618,1633,656],{"emptyLinePlaceholder":655},[618,1635,1636,1638,1640],{"class":620,"line":659},[618,1637,663],{"class":662},[618,1639,1447],{"class":666},[618,1641,670],{"class":628},[618,1643,1644,1646,1648],{"class":620,"line":673},[618,1645,737],{"class":676},[618,1647,606],{"class":628},[618,1649,742],{"class":666},[618,1651,1652],{"class":620,"line":705},[618,1653,748],{"class":628},[618,1655,1656],{"class":620,"line":734},[618,1657,656],{"emptyLinePlaceholder":655},[618,1659,1660,1662,1664,1666,1668,1670,1672,1674],{"class":620,"line":745},[618,1661,1184],{"class":662},[618,1663,1187],{"class":632},[618,1665,1190],{"class":628},[618,1667,1618],{"class":765},[618,1669,804],{"class":628},[618,1671,1303],{"class":666},[618,1673,810],{"class":628},[618,1675,1676],{"class":632},"(request)\n",[618,1678,1679,1681,1683,1685,1687,1689,1691,1693,1695,1698,1700,1702,1704],{"class":620,"line":751},[618,1680,1100],{"class":632},[618,1682,831],{"class":628},[618,1684,834],{"class":765},[618,1686,769],{"class":632},[618,1688,839],{"class":628},[618,1690,945],{"class":676},[618,1692,606],{"class":628},[618,1694,642],{"class":628},[618,1696,1697],{"class":645},"process",[618,1699,858],{"class":628},[618,1701,636],{"class":628},[618,1703,1152],{"class":632},[618,1705,883],{"class":882},[597,1707,1709],{"id":1708},"design-tips","Design Tips",[1711,1712,1714],"h3",{"id":1713},"one-interface-per-domain","One Interface Per Domain",[573,1716,1717],{},"Define field interfaces per domain area, not per route:",[608,1719,1722],{"className":610,"code":1720,"filename":1721,"language":613,"meta":614,"style":614},"export interface AuthFields {\n  user: { id: string; email: string; role: string }\n  action: string\n  mfaUsed: boolean\n}\n\nexport interface PaymentFields {\n  user: { id: string; plan: string }\n  order: { id: string; total: number; currency: string }\n  payment: { method: string; last4: string }\n}\n","server\u002Ftypes\u002Flog-fields.ts",[577,1723,1724,1736,1770,1778,1788,1792,1796,1807,1831,1865,1892],{"__ignoreMap":614},[618,1725,1726,1728,1731,1734],{"class":620,"line":621},[618,1727,759],{"class":624},[618,1729,1730],{"class":662}," interface",[618,1732,1733],{"class":666}," AuthFields",[618,1735,670],{"class":628},[618,1737,1738,1740,1742,1744,1746,1748,1750,1752,1755,1757,1759,1761,1764,1766,1768],{"class":620,"line":652},[618,1739,677],{"class":676},[618,1741,606],{"class":628},[618,1743,629],{"class":628},[618,1745,684],{"class":676},[618,1747,606],{"class":628},[618,1749,689],{"class":666},[618,1751,692],{"class":628},[618,1753,1754],{"class":676}," email",[618,1756,606],{"class":628},[618,1758,689],{"class":666},[618,1760,692],{"class":628},[618,1762,1763],{"class":676}," role",[618,1765,606],{"class":628},[618,1767,689],{"class":666},[618,1769,702],{"class":628},[618,1771,1772,1774,1776],{"class":620,"line":659},[618,1773,737],{"class":676},[618,1775,606],{"class":628},[618,1777,742],{"class":666},[618,1779,1780,1783,1785],{"class":620,"line":673},[618,1781,1782],{"class":676},"  mfaUsed",[618,1784,606],{"class":628},[618,1786,1787],{"class":666}," boolean\n",[618,1789,1790],{"class":620,"line":705},[618,1791,748],{"class":628},[618,1793,1794],{"class":620,"line":734},[618,1795,656],{"emptyLinePlaceholder":655},[618,1797,1798,1800,1802,1805],{"class":620,"line":745},[618,1799,759],{"class":624},[618,1801,1730],{"class":662},[618,1803,1804],{"class":666}," PaymentFields",[618,1806,670],{"class":628},[618,1808,1809,1811,1813,1815,1817,1819,1821,1823,1825,1827,1829],{"class":620,"line":751},[618,1810,677],{"class":676},[618,1812,606],{"class":628},[618,1814,629],{"class":628},[618,1816,684],{"class":676},[618,1818,606],{"class":628},[618,1820,689],{"class":666},[618,1822,692],{"class":628},[618,1824,695],{"class":676},[618,1826,606],{"class":628},[618,1828,689],{"class":666},[618,1830,702],{"class":628},[618,1832,1833,1836,1838,1840,1842,1844,1846,1848,1850,1852,1854,1856,1859,1861,1863],{"class":620,"line":756},[618,1834,1835],{"class":676},"  order",[618,1837,606],{"class":628},[618,1839,629],{"class":628},[618,1841,684],{"class":676},[618,1843,606],{"class":628},[618,1845,689],{"class":666},[618,1847,692],{"class":628},[618,1849,725],{"class":676},[618,1851,606],{"class":628},[618,1853,720],{"class":666},[618,1855,692],{"class":628},[618,1857,1858],{"class":676}," currency",[618,1860,606],{"class":628},[618,1862,689],{"class":666},[618,1864,702],{"class":628},[618,1866,1867,1870,1872,1874,1877,1879,1881,1883,1886,1888,1890],{"class":620,"line":790},[618,1868,1869],{"class":676},"  payment",[618,1871,606],{"class":628},[618,1873,629],{"class":628},[618,1875,1876],{"class":676}," method",[618,1878,606],{"class":628},[618,1880,689],{"class":666},[618,1882,692],{"class":628},[618,1884,1885],{"class":676}," last4",[618,1887,606],{"class":628},[618,1889,689],{"class":666},[618,1891,702],{"class":628},[618,1893,1894],{"class":620,"line":820},[618,1895,748],{"class":628},[608,1897,1900],{"className":610,"code":1898,"filename":1899,"language":613,"meta":614,"style":614},"import { useLogger } from 'evlog'\nimport type { AuthFields } from '~\u002Fserver\u002Ftypes\u002Flog-fields'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger\u003CAuthFields>(event)\n  \u002F\u002F ...\n})\n","server\u002Fapi\u002Fauth\u002Flogin.post.ts",[577,1901,1902,1920,1942,1946,1968,1991,1996],{"__ignoreMap":614},[618,1903,1904,1906,1908,1910,1912,1914,1916,1918],{"class":620,"line":621},[618,1905,625],{"class":624},[618,1907,629],{"class":628},[618,1909,633],{"class":632},[618,1911,636],{"class":628},[618,1913,639],{"class":624},[618,1915,642],{"class":628},[618,1917,646],{"class":645},[618,1919,649],{"class":628},[618,1921,1922,1924,1927,1929,1931,1933,1935,1937,1940],{"class":620,"line":652},[618,1923,625],{"class":624},[618,1925,1926],{"class":624}," 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 \u002F\u002F ...\n",[618,1997,1998,2000],{"class":620,"line":745},[618,1999,1067],{"class":628},[618,2001,817],{"class":632},[1711,2003,2005],{"id":2004},"keep-interfaces-focused","Keep Interfaces Focused",[573,2007,2008],{},"Include only the fields your routes actually set. The interface doesn't need to mirror your entire data model:",[608,2010,2013],{"className":610,"code":2011,"filename":2012,"language":613,"meta":614,"style":614},"\u002F\u002F Too broad - most routes won't set all these\ninterface EverythingFields {\n  user: FullUserProfile\n  order: CompleteOrder\n  payment: PaymentDetails\n  shipping: ShippingInfo\n}\n\n\u002F\u002F Focused - only what this route sets\ninterface CheckoutFields {\n  user: { id: string; plan: string }\n  cart: { items: number; total: number }\n}\n","server\u002Ftypes\u002Fevlog.ts",[577,2014,2015,2020,2029,2038,2047,2056,2066,2070,2074,2079,2087,2111,2135],{"__ignoreMap":614},[618,2016,2017],{"class":620,"line":621},[618,2018,2019],{"class":882},"\u002F\u002F Too broad - most routes won't set all these\n",[618,2021,2022,2024,2027],{"class":620,"line":652},[618,2023,663],{"class":662},[618,2025,2026],{"class":666}," 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