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Just wire the drain to your framework:",[655,656,657,771,902,919,981,1035,1094,1148,1201],"code-group",{},[606,658,661],{"className":608,"code":659,"filename":660,"language":611,"meta":612,"style":612},"\u002F\u002F server\u002Fplugins\u002Fevlog-drain.ts\nimport { createFsDrain } from 'evlog\u002Ffs'\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', createFsDrain())\n})\n","Nuxt \u002F Nitro",[532,662,663,669,688,695,726,762],{"__ignoreMap":612},[616,664,665],{"class":618,"line":619},[616,666,668],{"class":667},"sHwdD","\u002F\u002F server\u002Fplugins\u002Fevlog-drain.ts\n",[616,670,672,674,676,678,680,682,684,686],{"class":618,"line":671},2,[616,673,623],{"class":622},[616,675,627],{"class":626},[616,677,631],{"class":630},[616,679,634],{"class":626},[616,681,637],{"class":622},[616,683,640],{"class":626},[616,685,644],{"class":643},[616,687,647],{"class":626},[616,689,691],{"class":618,"line":690},3,[616,692,694],{"emptyLinePlaceholder":693},true,"\n",[616,696,698,701,704,708,711,713,717,719,723],{"class":618,"line":697},4,[616,699,700],{"class":622},"export",[616,702,703],{"class":622}," default",[616,705,707],{"class":706},"s2Zo4"," defineNitroPlugin",[616,709,710],{"class":630},"(",[616,712,710],{"class":626},[616,714,716],{"class":715},"sHdIc","nitroApp",[616,718,545],{"class":626},[616,720,722],{"class":721},"spNyl"," =>",[616,724,725],{"class":626}," {\n",[616,727,729,732,735,738,740,743,746,749,752,754,757,759],{"class":618,"line":728},5,[616,730,731],{"class":630},"  nitroApp",[616,733,734],{"class":626},".",[616,736,737],{"class":630},"hooks",[616,739,734],{"class":626},[616,741,742],{"class":706},"hook",[616,744,710],{"class":745},"swJcz",[616,747,748],{"class":626},"'",[616,750,751],{"class":643},"evlog:drain",[616,753,748],{"class":626},[616,755,756],{"class":626},",",[616,758,631],{"class":706},[616,760,761],{"class":745},"())\n",[616,763,765,768],{"class":618,"line":764},6,[616,766,767],{"class":626},"}",[616,769,770],{"class":630},")\n",[606,772,774],{"className":608,"code":773,"filename":220,"language":611,"meta":612,"style":612},"\u002F\u002F lib\u002Fevlog.ts — Node.js routes only; keep evlog\u002Ffs out of root instrumentation.ts\nimport { createEvlog } from 'evlog\u002Fnext'\nimport { createFsDrain } from 'evlog\u002Ffs'\n\nexport const { withEvlog, useLogger, log, createError } = createEvlog({\n  service: 'my-app',\n  drain: createFsDrain(),\n})\n",[532,775,776,781,801,819,823,862,880,895],{"__ignoreMap":612},[616,777,778],{"class":618,"line":619},[616,779,780],{"class":667},"\u002F\u002F lib\u002Fevlog.ts — Node.js routes only; keep evlog\u002Ffs out of root instrumentation.ts\n",[616,782,783,785,787,790,792,794,796,799],{"class":618,"line":671},[616,784,623],{"class":622},[616,786,627],{"class":626},[616,788,789],{"class":630}," createEvlog",[616,791,634],{"class":626},[616,793,637],{"class":622},[616,795,640],{"class":626},[616,797,798],{"class":643},"evlog\u002Fnext",[616,800,647],{"class":626},[616,802,803,805,807,809,811,813,815,817],{"class":618,"line":690},[616,804,623],{"class":622},[616,806,627],{"class":626},[616,808,631],{"class":630},[616,810,634],{"class":626},[616,812,637],{"class":622},[616,814,640],{"class":626},[616,816,644],{"class":643},[616,818,647],{"class":626},[616,820,821],{"class":618,"line":697},[616,822,694],{"emptyLinePlaceholder":693},[616,824,825,827,830,832,835,837,840,842,845,847,850,852,855,857,859],{"class":618,"line":728},[616,826,700],{"class":622},[616,828,829],{"class":721}," const",[616,831,627],{"class":626},[616,833,834],{"class":630}," withEvlog",[616,836,756],{"class":626},[616,838,839],{"class":630}," useLogger",[616,841,756],{"class":626},[616,843,844],{"class":630}," log",[616,846,756],{"class":626},[616,848,849],{"class":630}," createError ",[616,851,767],{"class":626},[616,853,854],{"class":626}," =",[616,856,789],{"class":706},[616,858,710],{"class":630},[616,860,861],{"class":626},"{\n",[616,863,864,867,870,872,875,877],{"class":618,"line":764},[616,865,866],{"class":745},"  service",[616,868,869],{"class":626},":",[616,871,640],{"class":626},[616,873,874],{"class":643},"my-app",[616,876,748],{"class":626},[616,878,879],{"class":626},",\n",[616,881,883,886,888,890,893],{"class":618,"line":882},7,[616,884,885],{"class":745},"  drain",[616,887,869],{"class":626},[616,889,631],{"class":706},[616,891,892],{"class":630},"()",[616,894,879],{"class":626},[616,896,898,900],{"class":618,"line":897},8,[616,899,767],{"class":626},[616,901,770],{"class":630},[903,904,906,907,910,911,914,915,918],"callout",{"color":905,"icon":13},"info","The FS adapter requires Node.js (",[532,908,909],{},"node:fs","). On the Edge runtime it logs a one-time ",[532,912,913],{},"[evlog\u002Ffs]"," warning and skips writes. Use ",[532,916,917],{},"evlog\u002Fmemory"," or an HTTP adapter for Edge routes.",[606,920,922],{"className":608,"code":921,"filename":250,"language":611,"meta":612,"style":612},"import { createFsDrain } from 'evlog\u002Ffs'\n\napp.use(evlog({ drain: createFsDrain() }))\n",[532,923,924,942,946],{"__ignoreMap":612},[616,925,926,928,930,932,934,936,938,940],{"class":618,"line":619},[616,927,623],{"class":622},[616,929,627],{"class":626},[616,931,631],{"class":630},[616,933,634],{"class":626},[616,935,637],{"class":622},[616,937,640],{"class":626},[616,939,644],{"class":643},[616,941,647],{"class":626},[616,943,944],{"class":618,"line":671},[616,945,694],{"emptyLinePlaceholder":693},[616,947,948,951,953,956,958,961,963,966,969,971,973,976,978],{"class":618,"line":690},[616,949,950],{"class":630},"app",[616,952,734],{"class":626},[616,954,955],{"class":706},"use",[616,957,710],{"class":630},[616,959,960],{"class":706},"evlog",[616,962,710],{"class":630},[616,964,965],{"class":626},"{",[616,967,968],{"class":745}," drain",[616,970,869],{"class":626},[616,972,631],{"class":706},[616,974,975],{"class":630},"() ",[616,977,767],{"class":626},[616,979,980],{"class":630},"))\n",[606,982,983],{"className":608,"code":921,"filename":245,"language":611,"meta":612,"style":612},[532,984,985,1003,1007],{"__ignoreMap":612},[616,986,987,989,991,993,995,997,999,1001],{"class":618,"line":619},[616,988,623],{"class":622},[616,990,627],{"class":626},[616,992,631],{"class":630},[616,994,634],{"class":626},[616,996,637],{"class":622},[616,998,640],{"class":626},[616,1000,644],{"class":643},[616,1002,647],{"class":626},[616,1004,1005],{"class":618,"line":671},[616,1006,694],{"emptyLinePlaceholder":693},[616,1008,1009,1011,1013,1015,1017,1019,1021,1023,1025,1027,1029,1031,1033],{"class":618,"line":690},[616,1010,950],{"class":630},[616,1012,734],{"class":626},[616,1014,955],{"class":706},[616,1016,710],{"class":630},[616,1018,960],{"class":706},[616,1020,710],{"class":630},[616,1022,965],{"class":626},[616,1024,968],{"class":745},[616,1026,869],{"class":626},[616,1028,631],{"class":706},[616,1030,975],{"class":630},[616,1032,767],{"class":626},[616,1034,980],{"class":630},[606,1036,1038],{"className":608,"code":1037,"filename":255,"language":611,"meta":612,"style":612},"import { createFsDrain } from 'evlog\u002Ffs'\n\nawait app.register(evlog, { drain: createFsDrain() })\n",[532,1039,1040,1058,1062],{"__ignoreMap":612},[616,1041,1042,1044,1046,1048,1050,1052,1054,1056],{"class":618,"line":619},[616,1043,623],{"class":622},[616,1045,627],{"class":626},[616,1047,631],{"class":630},[616,1049,634],{"class":626},[616,1051,637],{"class":622},[616,1053,640],{"class":626},[616,1055,644],{"class":643},[616,1057,647],{"class":626},[616,1059,1060],{"class":618,"line":671},[616,1061,694],{"emptyLinePlaceholder":693},[616,1063,1064,1067,1070,1072,1075,1078,1080,1082,1084,1086,1088,1090,1092],{"class":618,"line":690},[616,1065,1066],{"class":622},"await",[616,1068,1069],{"class":630}," app",[616,1071,734],{"class":626},[616,1073,1074],{"class":706},"register",[616,1076,1077],{"class":630},"(evlog",[616,1079,756],{"class":626},[616,1081,627],{"class":626},[616,1083,968],{"class":745},[616,1085,869],{"class":626},[616,1087,631],{"class":706},[616,1089,975],{"class":630},[616,1091,767],{"class":626},[616,1093,770],{"class":630},[606,1095,1096],{"className":608,"code":921,"filename":260,"language":611,"meta":612,"style":612},[532,1097,1098,1116,1120],{"__ignoreMap":612},[616,1099,1100,1102,1104,1106,1108,1110,1112,1114],{"class":618,"line":619},[616,1101,623],{"class":622},[616,1103,627],{"class":626},[616,1105,631],{"class":630},[616,1107,634],{"class":626},[616,1109,637],{"class":622},[616,1111,640],{"class":626},[616,1113,644],{"class":643},[616,1115,647],{"class":626},[616,1117,1118],{"class":618,"line":671},[616,1119,694],{"emptyLinePlaceholder":693},[616,1121,1122,1124,1126,1128,1130,1132,1134,1136,1138,1140,1142,1144,1146],{"class":618,"line":690},[616,1123,950],{"class":630},[616,1125,734],{"class":626},[616,1127,955],{"class":706},[616,1129,710],{"class":630},[616,1131,960],{"class":706},[616,1133,710],{"class":630},[616,1135,965],{"class":626},[616,1137,968],{"class":745},[616,1139,869],{"class":626},[616,1141,631],{"class":706},[616,1143,975],{"class":630},[616,1145,767],{"class":626},[616,1147,980],{"class":630},[606,1149,1151],{"className":608,"code":1150,"filename":240,"language":611,"meta":612,"style":612},"import { createFsDrain } from 'evlog\u002Ffs'\n\nEvlogModule.forRoot({ drain: createFsDrain() })\n",[532,1152,1153,1171,1175],{"__ignoreMap":612},[616,1154,1155,1157,1159,1161,1163,1165,1167,1169],{"class":618,"line":619},[616,1156,623],{"class":622},[616,1158,627],{"class":626},[616,1160,631],{"class":630},[616,1162,634],{"class":626},[616,1164,637],{"class":622},[616,1166,640],{"class":626},[616,1168,644],{"class":643},[616,1170,647],{"class":626},[616,1172,1173],{"class":618,"line":671},[616,1174,694],{"emptyLinePlaceholder":693},[616,1176,1177,1180,1182,1185,1187,1189,1191,1193,1195,1197,1199],{"class":618,"line":690},[616,1178,1179],{"class":630},"EvlogModule",[616,1181,734],{"class":626},[616,1183,1184],{"class":706},"forRoot",[616,1186,710],{"class":630},[616,1188,965],{"class":626},[616,1190,968],{"class":745},[616,1192,869],{"class":626},[616,1194,631],{"class":706},[616,1196,975],{"class":630},[616,1198,767],{"class":626},[616,1200,770],{"class":630},[606,1202,1204],{"className":608,"code":1203,"filename":275,"language":611,"meta":612,"style":612},"import { createFsDrain } from 'evlog\u002Ffs'\n\ninitLogger({ drain: createFsDrain() })\n",[532,1205,1206,1224,1228],{"__ignoreMap":612},[616,1207,1208,1210,1212,1214,1216,1218,1220,1222],{"class":618,"line":619},[616,1209,623],{"class":622},[616,1211,627],{"class":626},[616,1213,631],{"class":630},[616,1215,634],{"class":626},[616,1217,637],{"class":622},[616,1219,640],{"class":626},[616,1221,644],{"class":643},[616,1223,647],{"class":626},[616,1225,1226],{"class":618,"line":671},[616,1227,694],{"emptyLinePlaceholder":693},[616,1229,1230,1233,1235,1237,1239,1241,1243,1245,1247],{"class":618,"line":690},[616,1231,1232],{"class":706},"initLogger",[616,1234,710],{"class":630},[616,1236,965],{"class":626},[616,1238,968],{"class":745},[616,1240,869],{"class":626},[616,1242,631],{"class":706},[616,1244,975],{"class":630},[616,1246,767],{"class":626},[616,1248,770],{"class":630},[517,1250,1251,1252,1254],{},"Logs start appearing in ",[532,1253,534],{}," immediately.",[599,1256,1258],{"id":1257},"file-structure","File Structure",[606,1260,1266],{"className":1261,"code":1263,"filename":1264,"language":1265,"meta":612},[1262],"language-text",".evlog\u002F\n  logs\u002F\n    2026-03-14.jsonl    ← one file per day\n    2026-03-13.jsonl\n    2026-03-12.jsonl\n",".evlog\u002Flogs directory layout","text",[532,1267,1263],{"__ignoreMap":612},[517,1269,1270,1271,1274],{},"Each ",[532,1272,1273],{},".jsonl"," file contains one JSON object per line (NDJSON format), making it easy to parse, grep, and stream.",[903,1276,1279,1280,1283,1284,1287,1288,1291],{"color":1277,"icon":1278},"success","i-lucide-git-branch","A ",[532,1281,1282],{},".gitignore"," is automatically created on first write, inside the ",[532,1285,1286],{},".evlog\u002F"," ancestor directory when present or in the configured ",[532,1289,1290],{},"dir"," otherwise. Log files are never committed to version control.",[599,1293,485],{"id":1294},"configuration",[1296,1297,321],"h3",{"id":1298},"options",[1300,1301,1302,1321],"table",{},[1303,1304,1305],"thead",{},[1306,1307,1308,1312,1315,1318],"tr",{},[1309,1310,1311],"th",{},"Option",[1309,1313,1314],{},"Type",[1309,1316,1317],{},"Default",[1309,1319,1320],{},"Description",[1322,1323,1324,1344,1364,1382],"tbody",{},[1306,1325,1326,1331,1336,1341],{},[1327,1328,1329],"td",{},[532,1330,1290],{},[1327,1332,1333],{},[532,1334,1335],{},"string",[1327,1337,1338],{},[532,1339,1340],{},"'.evlog\u002Flogs'",[1327,1342,1343],{},"Directory for log files",[1306,1345,1346,1351,1356,1361],{},[1327,1347,1348],{},[532,1349,1350],{},"maxFiles",[1327,1352,1353],{},[532,1354,1355],{},"number",[1327,1357,1358],{},[532,1359,1360],{},"undefined",[1327,1362,1363],{},"Max files to keep (auto-deletes oldest)",[1306,1365,1366,1371,1375,1379],{},[1327,1367,1368],{},[532,1369,1370],{},"maxSizePerFile",[1327,1372,1373],{},[532,1374,1355],{},[1327,1376,1377],{},[532,1378,1360],{},[1327,1380,1381],{},"Max bytes per file before rotating",[1306,1383,1384,1389,1394,1399],{},[1327,1385,1386],{},[532,1387,1388],{},"pretty",[1327,1390,1391],{},[532,1392,1393],{},"boolean",[1327,1395,1396],{},[532,1397,1398],{},"false",[1327,1400,1401],{},"Pretty-print JSON (multi-line, readable)",[1296,1403,1405],{"id":1404},"examples","Examples",[606,1407,1410],{"className":608,"code":1408,"filename":1409,"language":611,"meta":612,"style":612},"\u002F\u002F Keep only the last 7 days of logs\ncreateFsDrain({ maxFiles: 7 })\n\n\u002F\u002F Rotate files at 10MB, keep 30 files\ncreateFsDrain({\n  maxSizePerFile: 10 * 1024 * 1024,\n  maxFiles: 30,\n})\n\n\u002F\u002F Pretty-print for human reading\ncreateFsDrain({ pretty: true })\n\n\u002F\u002F Custom directory\ncreateFsDrain({ dir: '\u002Fvar\u002Flog\u002Fmyapp' })\n","server\u002Fplugins\u002Fevlog-drain.ts",[532,1411,1412,1417,1439,1443,1448,1456,1478,1490,1496,1501,1507,1529,1534,1540],{"__ignoreMap":612},[616,1413,1414],{"class":618,"line":619},[616,1415,1416],{"class":667},"\u002F\u002F Keep only the last 7 days of logs\n",[616,1418,1419,1422,1424,1426,1429,1431,1435,1437],{"class":618,"line":671},[616,1420,1421],{"class":706},"createFsDrain",[616,1423,710],{"class":630},[616,1425,965],{"class":626},[616,1427,1428],{"class":745}," maxFiles",[616,1430,869],{"class":626},[616,1432,1434],{"class":1433},"sbssI"," 7",[616,1436,634],{"class":626},[616,1438,770],{"class":630},[616,1440,1441],{"class":618,"line":690},[616,1442,694],{"emptyLinePlaceholder":693},[616,1444,1445],{"class":618,"line":697},[616,1446,1447],{"class":667},"\u002F\u002F Rotate files at 10MB, keep 30 files\n",[616,1449,1450,1452,1454],{"class":618,"line":728},[616,1451,1421],{"class":706},[616,1453,710],{"class":630},[616,1455,861],{"class":626},[616,1457,1458,1461,1463,1466,1469,1472,1474,1476],{"class":618,"line":764},[616,1459,1460],{"class":745},"  maxSizePerFile",[616,1462,869],{"class":626},[616,1464,1465],{"class":1433}," 10",[616,1467,1468],{"class":626}," *",[616,1470,1471],{"class":1433}," 1024",[616,1473,1468],{"class":626},[616,1475,1471],{"class":1433},[616,1477,879],{"class":626},[616,1479,1480,1483,1485,1488],{"class":618,"line":882},[616,1481,1482],{"class":745},"  maxFiles",[616,1484,869],{"class":626},[616,1486,1487],{"class":1433}," 30",[616,1489,879],{"class":626},[616,1491,1492,1494],{"class":618,"line":897},[616,1493,767],{"class":626},[616,1495,770],{"class":630},[616,1497,1499],{"class":618,"line":1498},9,[616,1500,694],{"emptyLinePlaceholder":693},[616,1502,1504],{"class":618,"line":1503},10,[616,1505,1506],{"class":667},"\u002F\u002F Pretty-print for human reading\n",[616,1508,1510,1512,1514,1516,1519,1521,1525,1527],{"class":618,"line":1509},11,[616,1511,1421],{"class":706},[616,1513,710],{"class":630},[616,1515,965],{"class":626},[616,1517,1518],{"class":745}," pretty",[616,1520,869],{"class":626},[616,1522,1524],{"class":1523},"sfNiH"," true",[616,1526,634],{"class":626},[616,1528,770],{"class":630},[616,1530,1532],{"class":618,"line":1531},12,[616,1533,694],{"emptyLinePlaceholder":693},[616,1535,1537],{"class":618,"line":1536},13,[616,1538,1539],{"class":667},"\u002F\u002F Custom directory\n",[616,1541,1543,1545,1547,1549,1552,1554,1556,1559,1561,1563],{"class":618,"line":1542},14,[616,1544,1421],{"class":706},[616,1546,710],{"class":630},[616,1548,965],{"class":626},[616,1550,1551],{"class":745}," dir",[616,1553,869],{"class":626},[616,1555,640],{"class":626},[616,1557,1558],{"class":643},"\u002Fvar\u002Flog\u002Fmyapp",[616,1560,748],{"class":626},[616,1562,634],{"class":626},[616,1564,770],{"class":630},[1296,1566,1568],{"id":1567},"file-rotation","File Rotation",[517,1570,1571,1572,1575,1576,1578],{},"By default, a new file is created each day (",[532,1573,1574],{},"2026-03-14.jsonl","). When ",[532,1577,1370],{}," is set, the adapter creates suffixed files when the current file exceeds the limit:",[606,1580,1584],{"className":1581,"code":1582,"filename":1583,"language":1265,"meta":612},[1262],".evlog\u002Flogs\u002F\n  2026-03-14.jsonl      ← base file (full)\n  2026-03-14.1.jsonl    ← first rotation\n  2026-03-14.2.jsonl    ← second rotation\n","Rotated log files",[532,1585,1582],{"__ignoreMap":612},[1296,1587,1589],{"id":1588},"cleanup","Cleanup",[517,1591,1592,1593,1595,1596,1598],{},"When ",[532,1594,1350],{}," is set, the adapter automatically deletes the oldest ",[532,1597,1273],{}," files after each write, keeping only the most recent files.",[599,1600,1602],{"id":1601},"combining-with-network-drains","Combining with Network Drains",[517,1604,1605],{},"Use the FS adapter alongside a network drain for local backup:",[606,1607,1609],{"className":608,"code":1608,"filename":1409,"language":611,"meta":612,"style":612},"import { createFsDrain } from 'evlog\u002Ffs'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\nconst fs = createFsDrain({ maxFiles: 7 })\nconst axiom = createAxiomDrain()\n\nconst drain = async (ctx) => {\n  await Promise.allSettled([fs(ctx), axiom(ctx)])\n}\n",[532,1610,1611,1629,1649,1653,1680,1694,1698,1722,1760],{"__ignoreMap":612},[616,1612,1613,1615,1617,1619,1621,1623,1625,1627],{"class":618,"line":619},[616,1614,623],{"class":622},[616,1616,627],{"class":626},[616,1618,631],{"class":630},[616,1620,634],{"class":626},[616,1622,637],{"class":622},[616,1624,640],{"class":626},[616,1626,644],{"class":643},[616,1628,647],{"class":626},[616,1630,1631,1633,1635,1638,1640,1642,1644,1647],{"class":618,"line":671},[616,1632,623],{"class":622},[616,1634,627],{"class":626},[616,1636,1637],{"class":630}," createAxiomDrain",[616,1639,634],{"class":626},[616,1641,637],{"class":622},[616,1643,640],{"class":626},[616,1645,1646],{"class":643},"evlog\u002Faxiom",[616,1648,647],{"class":626},[616,1650,1651],{"class":618,"line":690},[616,1652,694],{"emptyLinePlaceholder":693},[616,1654,1655,1658,1661,1664,1666,1668,1670,1672,1674,1676,1678],{"class":618,"line":697},[616,1656,1657],{"class":721},"const",[616,1659,1660],{"class":630}," fs ",[616,1662,1663],{"class":626},"=",[616,1665,631],{"class":706},[616,1667,710],{"class":630},[616,1669,965],{"class":626},[616,1671,1428],{"class":745},[616,1673,869],{"class":626},[616,1675,1434],{"class":1433},[616,1677,634],{"class":626},[616,1679,770],{"class":630},[616,1681,1682,1684,1687,1689,1691],{"class":618,"line":728},[616,1683,1657],{"class":721},[616,1685,1686],{"class":630}," axiom ",[616,1688,1663],{"class":626},[616,1690,1637],{"class":706},[616,1692,1693],{"class":630},"()\n",[616,1695,1696],{"class":618,"line":764},[616,1697,694],{"emptyLinePlaceholder":693},[616,1699,1700,1702,1705,1707,1710,1713,1716,1718,1720],{"class":618,"line":882},[616,1701,1657],{"class":721},[616,1703,1704],{"class":630}," drain ",[616,1706,1663],{"class":626},[616,1708,1709],{"class":721}," async",[616,1711,1712],{"class":626}," (",[616,1714,1715],{"class":715},"ctx",[616,1717,545],{"class":626},[616,1719,722],{"class":721},[616,1721,725],{"class":626},[616,1723,1724,1727,1731,1733,1736,1739,1742,1744,1746,1748,1750,1753,1755,1757],{"class":618,"line":897},[616,1725,1726],{"class":622},"  await",[616,1728,1730],{"class":1729},"sBMFI"," Promise",[616,1732,734],{"class":626},[616,1734,1735],{"class":706},"allSettled",[616,1737,1738],{"class":745},"([",[616,1740,1741],{"class":706},"fs",[616,1743,710],{"class":745},[616,1745,1715],{"class":630},[616,1747,545],{"class":745},[616,1749,756],{"class":626},[616,1751,1752],{"class":706}," axiom",[616,1754,710],{"class":745},[616,1756,1715],{"class":630},[616,1758,1759],{"class":745},")])\n",[616,1761,1762],{"class":618,"line":1498},[616,1763,1764],{"class":626},"}\n",[599,1766,1768],{"id":1767},"querying-logs","Querying Logs",[1296,1770,1772],{"id":1771},"stream-in-real-time","Stream in real-time",[606,1774,1779],{"className":1775,"code":1776,"filename":1777,"language":1778,"meta":612,"style":612},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","tail -f .evlog\u002Flogs\u002F2026-03-14.jsonl\n","Terminal","bash",[532,1780,1781],{"__ignoreMap":612},[616,1782,1783,1786,1789],{"class":618,"line":619},[616,1784,1785],{"class":1729},"tail",[616,1787,1788],{"class":643}," -f",[616,1790,1791],{"class":643}," .evlog\u002Flogs\u002F2026-03-14.jsonl\n",[1296,1793,1795],{"id":1794},"search-with-jq","Search with jq",[606,1797,1799],{"className":1775,"code":1798,"filename":1777,"language":1778,"meta":612,"style":612},"# Find errors\ncat .evlog\u002Flogs\u002F2026-03-14.jsonl | jq 'select(.level == \"error\")'\n\n# Slow requests (duration is a formatted string like \"706ms\" or \"1.23s\")\ncat .evlog\u002Flogs\u002F2026-03-14.jsonl | jq 'select(.duration | test(\"^[0-9.]+s\"))'\n\n# Requests by path\ncat .evlog\u002Flogs\u002F2026-03-14.jsonl | jq 'select(.path == \"\u002Fapi\u002Fcheckout\")'\n",[532,1800,1801,1806,1827,1831,1836,1853,1857,1862],{"__ignoreMap":612},[616,1802,1803],{"class":618,"line":619},[616,1804,1805],{"class":667},"# Find errors\n",[616,1807,1808,1811,1814,1817,1820,1822,1825],{"class":618,"line":671},[616,1809,1810],{"class":1729},"cat",[616,1812,1813],{"class":643}," .evlog\u002Flogs\u002F2026-03-14.jsonl",[616,1815,1816],{"class":626}," |",[616,1818,1819],{"class":1729}," jq",[616,1821,640],{"class":626},[616,1823,1824],{"class":643},"select(.level == \"error\")",[616,1826,647],{"class":626},[616,1828,1829],{"class":618,"line":690},[616,1830,694],{"emptyLinePlaceholder":693},[616,1832,1833],{"class":618,"line":697},[616,1834,1835],{"class":667},"# Slow requests (duration is a formatted string like \"706ms\" or \"1.23s\")\n",[616,1837,1838,1840,1842,1844,1846,1848,1851],{"class":618,"line":728},[616,1839,1810],{"class":1729},[616,1841,1813],{"class":643},[616,1843,1816],{"class":626},[616,1845,1819],{"class":1729},[616,1847,640],{"class":626},[616,1849,1850],{"class":643},"select(.duration | test(\"^[0-9.]+s\"))",[616,1852,647],{"class":626},[616,1854,1855],{"class":618,"line":764},[616,1856,694],{"emptyLinePlaceholder":693},[616,1858,1859],{"class":618,"line":882},[616,1860,1861],{"class":667},"# Requests by path\n",[616,1863,1864,1866,1868,1870,1872,1874,1877],{"class":618,"line":897},[616,1865,1810],{"class":1729},[616,1867,1813],{"class":643},[616,1869,1816],{"class":626},[616,1871,1819],{"class":1729},[616,1873,640],{"class":626},[616,1875,1876],{"class":643},"select(.path == \"\u002Fapi\u002Fcheckout\")",[616,1878,647],{"class":626},[1296,1880,1882],{"id":1881},"search-with-grep","Search with grep",[606,1884,1886],{"className":1775,"code":1885,"filename":1777,"language":1778,"meta":612,"style":612},"# Find all errors\ngrep '\"level\":\"error\"' .evlog\u002Flogs\u002F2026-03-14.jsonl\n\n# Find by request ID\ngrep 'req_abc123' .evlog\u002Flogs\u002F*.jsonl\n",[532,1887,1888,1893,1907,1911,1916],{"__ignoreMap":612},[616,1889,1890],{"class":618,"line":619},[616,1891,1892],{"class":667},"# Find all errors\n",[616,1894,1895,1898,1900,1903,1905],{"class":618,"line":671},[616,1896,1897],{"class":1729},"grep",[616,1899,640],{"class":626},[616,1901,1902],{"class":643},"\"level\":\"error\"",[616,1904,748],{"class":626},[616,1906,1791],{"class":643},[616,1908,1909],{"class":618,"line":690},[616,1910,694],{"emptyLinePlaceholder":693},[616,1912,1913],{"class":618,"line":697},[616,1914,1915],{"class":667},"# Find by request ID\n",[616,1917,1918,1920,1922,1925,1927,1930,1933],{"class":618,"line":728},[616,1919,1897],{"class":1729},[616,1921,640],{"class":626},[616,1923,1924],{"class":643},"req_abc123",[616,1926,748],{"class":626},[616,1928,1929],{"class":643}," .evlog\u002Flogs\u002F",[616,1931,1932],{"class":630},"*",[616,1934,1935],{"class":643},".jsonl\n",[599,1937,1939],{"id":1938},"direct-api-usage","Direct API Usage",[517,1941,1942],{},"For advanced use cases, use the lower-level write functions:",[606,1944,1946],{"className":608,"code":1945,"filename":610,"language":611,"meta":612,"style":612},"import { writeToFs, writeBatchToFs } from 'evlog\u002Ffs'\n\nawait writeToFs(event, {\n  dir: '.evlog\u002Flogs',\n  pretty: false,\n})\n\nawait writeBatchToFs(events, {\n  dir: '.evlog\u002Flogs',\n  pretty: false,\n})\n",[532,1947,1948,1972,1976,1989,2005,2017,2023,2027,2040,2054,2064],{"__ignoreMap":612},[616,1949,1950,1952,1954,1957,1959,1962,1964,1966,1968,1970],{"class":618,"line":619},[616,1951,623],{"class":622},[616,1953,627],{"class":626},[616,1955,1956],{"class":630}," writeToFs",[616,1958,756],{"class":626},[616,1960,1961],{"class":630}," writeBatchToFs",[616,1963,634],{"class":626},[616,1965,637],{"class":622},[616,1967,640],{"class":626},[616,1969,644],{"class":643},[616,1971,647],{"class":626},[616,1973,1974],{"class":618,"line":671},[616,1975,694],{"emptyLinePlaceholder":693},[616,1977,1978,1980,1982,1985,1987],{"class":618,"line":690},[616,1979,1066],{"class":622},[616,1981,1956],{"class":706},[616,1983,1984],{"class":630},"(event",[616,1986,756],{"class":626},[616,1988,725],{"class":626},[616,1990,1991,1994,1996,1998,2001,2003],{"class":618,"line":697},[616,1992,1993],{"class":745},"  dir",[616,1995,869],{"class":626},[616,1997,640],{"class":626},[616,1999,2000],{"class":643},".evlog\u002Flogs",[616,2002,748],{"class":626},[616,2004,879],{"class":626},[616,2006,2007,2010,2012,2015],{"class":618,"line":728},[616,2008,2009],{"class":745},"  pretty",[616,2011,869],{"class":626},[616,2013,2014],{"class":1523}," false",[616,2016,879],{"class":626},[616,2018,2019,2021],{"class":618,"line":764},[616,2020,767],{"class":626},[616,2022,770],{"class":630},[616,2024,2025],{"class":618,"line":882},[616,2026,694],{"emptyLinePlaceholder":693},[616,2028,2029,2031,2033,2036,2038],{"class":618,"line":897},[616,2030,1066],{"class":622},[616,2032,1961],{"class":706},[616,2034,2035],{"class":630},"(events",[616,2037,756],{"class":626},[616,2039,725],{"class":626},[616,2041,2042,2044,2046,2048,2050,2052],{"class":618,"line":1498},[616,2043,1993],{"class":745},[616,2045,869],{"class":626},[616,2047,640],{"class":626},[616,2049,2000],{"class":643},[616,2051,748],{"class":626},[616,2053,879],{"class":626},[616,2055,2056,2058,2060,2062],{"class":618,"line":1503},[616,2057,2009],{"class":745},[616,2059,869],{"class":626},[616,2061,2014],{"class":1523},[616,2063,879],{"class":626},[616,2065,2066,2068],{"class":618,"line":1509},[616,2067,767],{"class":626},[616,2069,770],{"class":630},[599,2071,2073],{"id":2072},"ai-log-analysis","AI Log Analysis",[517,2075,2076,2077,2083],{},"The file system drain pairs with the ",[588,2078,2079,2082],{"href":508},[532,2080,2081],{},"analyze-logs"," agent skill",". When installed, your AI assistant can read the NDJSON logs directly to debug errors, trace requests, and investigate performance without any external tools.",[599,2085,2087],{"id":2086},"next-steps","Next Steps",[521,2089,2090,2095,2101,2107],{},[524,2091,2092,2094],{},[588,2093,507],{"href":508}," - Let AI analyze your logs",[524,2096,2097,2100],{},[588,2098,2099],{"href":147},"Axiom Adapter"," - Send logs to Axiom for querying and dashboards",[524,2102,2103,2106],{},[588,2104,2105],{"href":477},"Pipeline"," - Add batching and retry to any drain",[524,2108,2109,2112],{},[588,2110,2111],{"href":472},"Custom Adapters"," - Build your own adapter",[2114,2115,2116],"style",{},"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 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