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Access",[633,646,647],{},"Status",[649,650,651,674,695,719,738,758,776,798,817,839,861,884,907,930,950,975,995,1013],"tbody",{},[630,652,653,658,663,666,671],{},[654,655,656],"td",{},[611,657,240],{"href":241},[654,659,660],{},[592,661,662],{},"evlog\u002Fnuxt",[654,664,665],{},"Module",[654,667,668],{},[592,669,670],{},"useLogger(event)",[654,672,673],{},"Stable",[630,675,676,680,685,688,693],{},[654,677,678],{},[611,679,245],{"href":246},[654,681,682],{},[592,683,684],{},"evlog\u002Fnext",[654,686,687],{},"Factory",[654,689,690],{},[592,691,692],{},"useLogger()",[654,694,673],{},[630,696,697,701,706,709,717],{},[654,698,699],{},[611,700,250],{"href":251},[654,702,703],{},[592,704,705],{},"evlog\u002Fsveltekit",[654,707,708],{},"Hooks",[654,710,711,714,715],{},[592,712,713],{},"event.locals.log"," \u002F ",[592,716,692],{},[654,718,673],{},[630,720,721,725,730,732,736],{},[654,722,723],{},[611,724,255],{"href":256},[654,726,727],{},[592,728,729],{},"evlog\u002Fnitro",[654,731,665],{},[654,733,734],{},[592,735,670],{},[654,737,673],{},[630,739,740,744,749,751,756],{},[654,741,742],{},[611,743,260],{"href":261},[654,745,746],{},[592,747,748],{},"evlog\u002Fnitro\u002Fv3",[654,750,665],{},[654,752,753],{},[592,754,755],{},"useRequest().context.log",[654,757,673],{},[630,759,760,765,769,771,774],{},[654,761,762],{},[611,763,764],{"href":261},"TanStack Router",[654,766,767],{},[592,768,748],{},[654,770,665],{},[654,772,773],{},"Via TanStack Start (uses Nitro v3)",[654,775,673],{},[630,777,778,782,787,789,796],{},[654,779,780],{},[611,781,290],{"href":291},[654,783,784],{},[592,785,786],{},"evlog\u002Freact-router",[654,788,374],{},[654,790,791,714,794],{},[592,792,793],{},"context.get(loggerContext)",[592,795,692],{},[654,797,673],{},[630,799,800,804,809,811,815],{},[654,801,802],{},[611,803,265],{"href":266},[654,805,806],{},[592,807,808],{},"evlog\u002Fnestjs",[654,810,665],{},[654,812,813],{},[592,814,692],{},[654,816,673],{},[630,818,819,823,828,830,837],{},[654,820,821],{},[611,822,270],{"href":271},[654,824,825],{},[592,826,827],{},"evlog\u002Fexpress",[654,829,374],{},[654,831,832,714,835],{},[592,833,834],{},"req.log",[592,836,692],{},[654,838,673],{},[630,840,841,845,850,852,859],{},[654,842,843],{},[611,844,275],{"href":276},[654,846,847],{},[592,848,849],{},"evlog\u002Fhono",[654,851,374],{},[654,853,854,714,857],{},[592,855,856],{},"c.get('log')",[592,858,692],{},[654,860,673],{},[630,862,863,867,872,875,882],{},[654,864,865],{},[611,866,280],{"href":281},[654,868,869],{},[592,870,871],{},"evlog\u002Ffastify",[654,873,874],{},"Plugin",[654,876,877,714,880],{},[592,878,879],{},"request.log",[592,881,692],{},[654,883,673],{},[630,885,886,890,895,897,905],{},[654,887,888],{},[611,889,285],{"href":286},[654,891,892],{},[592,893,894],{},"evlog\u002Felysia",[654,896,874],{},[654,898,899,902,903],{},[592,900,901],{},"log"," (context) \u002F ",[592,904,692],{},[654,906,673],{},[630,908,909,913,918,921,928],{},[654,910,911],{},[611,912,309],{"href":310},[654,914,915],{},[592,916,917],{},"evlog\u002Forpc",[654,919,920],{},"Handler wrapper + middleware",[654,922,923,714,926],{},[592,924,925],{},"context.log",[592,927,692],{},[654,929,673],{},[630,931,932,936,941,943,948],{},[654,933,934],{},[611,935,295],{"href":296},[654,937,938],{},[592,939,940],{},"evlog\u002Fworkers",[654,942,687],{},[654,944,945],{},[592,946,947],{},"createWorkersLogger()",[654,949,673],{},[630,951,952,956,961,964,972],{},[654,953,954],{},[611,955,314],{"href":315},[654,957,958],{},[592,959,960],{},"evlog",[654,962,963],{},"Manual",[654,965,966,714,969],{},[592,967,968],{},"createLogger()",[592,970,971],{},"createRequestLogger()",[654,973,974],{},"Guide",[630,976,977,981,985,987,993],{},[654,978,979],{},[611,980,300],{"href":301},[654,982,983],{},[592,984,960],{},[654,986,963],{},[654,988,989,714,991],{},[592,990,968],{},[592,992,971],{},[654,994,673],{},[630,996,997,1001,1005,1007,1011],{},[654,998,999],{},[611,1000,304],{"href":305},[654,1002,1003],{},[592,1004,960],{},[654,1006,963],{},[654,1008,1009],{},[592,1010,971],{},[654,1012,974],{},[630,1014,1015,1020,1025,1028,1033],{},[654,1016,1017],{},[611,1018,1019],{"href":474},"Custom",[654,1021,1022],{},[592,1023,1024],{},"evlog\u002Ftoolkit",[654,1026,1027],{},"Build your own",[654,1029,1030],{},[592,1031,1032],{},"createMiddlewareLogger()",[654,1034,1035],{},"Beta",[619,1037,1039],{"id":1038},"what-differs-from-one-framework-to-the-next","What differs from one framework to the next",[588,1041,1042],{},"Two things differ per framework: how you start evlog, and how a handler reaches the request logger.",[1044,1045,1047],"h3",{"id":1046},"start-evlog","Start evlog",[624,1049,1050,1059],{},[627,1051,1052],{},[630,1053,1054,1057],{},[633,1055,1056],{},"Pattern",[633,1058,231],{},[649,1060,1061,1072,1082,1091,1099],{},[630,1062,1063,1069],{},[654,1064,1065,1068],{},[592,1066,1067],{},"evlog(options)"," middleware \u002F plugin",[654,1070,1071],{},"Hono, Express, Fastify, Elysia, SvelteKit, React Router",[630,1073,1074,1080],{},[654,1075,1076,1079],{},[592,1077,1078],{},"createEvlog(options)"," factory",[654,1081,245],{},[630,1083,1084,1089],{},[654,1085,1086],{},[592,1087,1088],{},"EvlogModule.forRoot()",[654,1090,265],{},[630,1092,1093,1096],{},[654,1094,1095],{},"Module default export",[654,1097,1098],{},"Nuxt, Nitro v2\u002Fv3",[630,1100,1101,1104],{},[654,1102,1103],{},"Manual factory",[654,1105,1106,1107,1110],{},"Cloudflare Workers (",[592,1108,1109],{},"createWorkersLogger","), Standalone, AWS Lambda, Astro",[1044,1112,1114],{"id":1113},"reach-the-logger-from-a-handler","Reach the logger from a handler",[624,1116,1117,1125],{},[627,1118,1119],{},[630,1120,1121,1123],{},[633,1122,1056],{},[633,1124,231],{},[649,1126,1127,1136,1145,1153,1161,1169,1177,1185],{},[630,1128,1129,1133],{},[654,1130,1131],{},[592,1132,670],{},[654,1134,1135],{},"Nuxt, Nitro",[630,1137,1138,1142],{},[654,1139,1140],{},[592,1141,692],{},[654,1143,1144],{},"Next.js, NestJS, Express, Fastify, Elysia, SvelteKit, React Router, Hono",[630,1146,1147,1151],{},[654,1148,1149],{},[592,1150,856],{},[654,1152,275],{},[630,1154,1155,1159],{},[654,1156,1157],{},[592,1158,834],{},[654,1160,270],{},[630,1162,1163,1167],{},[654,1164,1165],{},[592,1166,879],{},[654,1168,280],{},[630,1170,1171,1175],{},[654,1172,1173],{},[592,1174,713],{},[654,1176,250],{},[630,1178,1179,1183],{},[654,1180,1181],{},[592,1182,793],{},[654,1184,290],{},[630,1186,1187,1193],{},[654,1188,1189,714,1191],{},[592,1190,971],{},[592,1192,968],{},[654,1194,1195],{},"Standalone, Workers, manual setups",[605,1197,1199,1200,1202,1203,1205,1206,1208,1209,1212],{"color":1198,"icon":13},"info","On Hono, use ",[592,1201,856],{}," inside handlers and ",[592,1204,692],{}," from ",[592,1207,849],{}," in the layers underneath. See ",[611,1210,1211],{"href":276},"Hono integration",".",[619,1214,1216],{"id":1215},"full-stack-frameworks","Full-stack frameworks",[1218,1219,1220,1237,1247,1252,1255,1261,1269],"card-group",{},[1221,1222,1223,1224,1226,1227,595,1230,1233,1234,1212],"card",{"color":607,"icon":243,"title":240,"to":241},"Register ",[592,1225,662],{}," in your modules to get auto-imported ",[592,1228,1229],{},"useLogger",[592,1231,1232],{},"createError",", and ",[592,1235,1236],{},"parseError",[1221,1238,1239,1242,1243,1246],{"color":607,"icon":248,"title":245,"to":246},[592,1240,1241],{},"createEvlog()"," factory with ",[592,1244,1245],{},"withEvlog()"," handler wrapper and client provider.",[1221,1248,1249,1250,1212],{"color":607,"icon":253,"title":250,"to":251},"Handle and handleError hooks with request-scoped logger on ",[592,1251,713],{},[1221,1253,1254],{"color":607,"icon":258,"title":255,"to":256},"Module for both Nitro v2 and v3 with plugin-based drain and enrichment hooks.",[1221,1256,1257,1258,1260],{"color":607,"icon":263,"title":260,"to":261},"Uses Nitro v3 module with async context, so ",[592,1259,692],{}," works inside server functions. Also covers TanStack Router (full-stack mode).",[1221,1262,1263,1264,599,1266,1268],{"color":607,"icon":293,"title":290,"to":291},"Middleware with ",[592,1265,793],{},[592,1267,692],{}," for loaders and services.",[1221,1270,1271,1273],{"color":607,"icon":268,"title":265,"to":266},[592,1272,1088],{}," with global middleware, exception filter, and async config.",[619,1275,1277],{"id":1276},"server-frameworks","Server frameworks",[1218,1279,1280,1285,1294,1300,1308,1317,1320,1330,1333],{},[1221,1281,1263,1282,1284],{"color":607,"icon":273,"title":270,"to":271},[592,1283,834],{}," and 4-argument error handler.",[1221,1286,1287,1288,1290,1291,1212],{"color":607,"icon":278,"title":275,"to":276},"Middleware with typed ",[592,1289,856],{}," via ",[592,1292,1293],{},"EvlogVariables",[1221,1295,1296,1297,1299],{"color":607,"icon":283,"title":280,"to":281},"Plugin with ",[592,1298,879],{}," that shadows Fastify's built-in pino logger.",[1221,1301,1296,1302,1304,1305,1212],{"color":607,"icon":288,"title":285,"to":286},[592,1303,901],{}," in route context via Elysia's ",[592,1306,1307],{},"derive",[1221,1309,1310,1311,1313,1314,1212],{"color":607,"icon":312,"title":309,"to":310},"Handler wrapper + procedure middleware exposing ",[592,1312,925],{}," and per-procedure ",[592,1315,1316],{},"operation",[1221,1318,1319],{"color":607,"icon":298,"title":295,"to":296},"Factory for creating request-scoped loggers with Cloudflare-specific context.",[1221,1321,1322,1325,1326,1329],{"color":607,"icon":317,"title":314,"to":315},[592,1323,1324],{},"initLogger"," once per runtime; ",[592,1327,1328],{},"createLogger"," per invocation (SQS, events, HTTP API).",[1221,1331,1332],{"color":607,"icon":79,"title":300,"to":301},"For scripts, CLI tools, queues, and any TypeScript process.",[1221,1334,1336],{"color":607,"icon":476,"title":1335,"to":474},"Custom Integration","Build your own middleware with the evlog toolkit API.",[605,1338,1339,1340,595,1343,595,1346,595,1349,595,1352,1233,1355,1212],{"color":1198,"icon":13},"All frameworks support the same features: ",[611,1341,1342],{"href":52},"wide events",[611,1344,1345],{"href":57},"structured errors",[611,1347,1348],{"href":153},"drain adapters",[611,1350,1351],{"href":441},"enrichers",[611,1353,1354],{"href":67},"sampling",[611,1356,1357],{"href":338},"AI SDK integration",[619,1359,1361],{"id":1360},"strip-client-logs-at-build-time","Strip client logs at build time",[588,1363,1364,1365,1371],{},"For any Vite-based project, the ",[611,1366,1367,1370],{"href":535},[592,1368,1369],{},"evlog\u002Fvite"," plugin"," adds build-time optimizations:",[1373,1374,1375,1387,1397],"ul",{},[1376,1377,1378,1382,1383,1386],"li",{},[1379,1380,1381],"strong",{},"Auto-initialization",": no ",[592,1384,1385],{},"initLogger()"," call needed",[1376,1388,1389,1392,1393,1396],{},[1379,1390,1391],{},"Debug stripping",": ",[592,1394,1395],{},"log.debug()"," removed from production builds",[1376,1398,1399,1402,1403,1406],{},[1379,1400,1401],{},"Source location",": inject ",[592,1404,1405],{},"__source: 'file:line'"," into log calls",[588,1408,1409,1410,1412],{},"It works with SvelteKit, Hono through vite-node, and any Vite-powered setup. Under Nuxt the same three options live on the ",[592,1411,662],{}," module, so the plugin does not need to be added by hand.",{"title":1414,"searchDepth":1415,"depth":1415,"links":1416},"",2,[1417,1418,1423,1424,1425],{"id":621,"depth":1415,"text":622},{"id":1038,"depth":1415,"text":1039,"children":1419},[1420,1422],{"id":1046,"depth":1421,"text":1047},3,{"id":1113,"depth":1421,"text":1114},{"id":1215,"depth":1415,"text":1216},{"id":1276,"depth":1415,"text":1277},{"id":1360,"depth":1415,"text":1361},"Choose an evlog integration for Nuxt, Next.js, SvelteKit, Hono, Express, or another listed framework. Follow its setup and request-logger access guide.","md",null,{},{"title":41,"icon":238},{"title":583,"description":1426},"u9gEqE6gIuTwJqCo_teiuJIFPe5cGGK1QLqVgZYaJ-A",[1434,1436],{"title":226,"path":227,"stem":228,"description":1435,"icon":229,"children":-1},"Store wide events in an in-memory ring buffer. Works in any runtime — including Cloudflare Workers (workerd) — where the file system is unavailable.",{"title":240,"path":241,"stem":242,"description":1437,"icon":243,"children":-1},"Add the Nuxt module and every server route emits one wide event. `useLogger(event)` and `parseError` are auto-imported, `createError` comes from `evlog`.",1789074363424]