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Drains",{"type":606,"value":607,"toc":4445},"minimark",[608,622,625,676,683,804,811,824,1491,1514,1519,1522,1997,2001,2006,2047,2077,2081,2088,3239,3247,3251,3263,3619,3625,3631,3817,3841,3845,3855,4115,4132,4136,4141,4247,4251,4256,4297,4306,4310,4315,4357,4363,4367,4370,4378,4392,4404,4408,4441],[609,610,611,612,616,617,621],"p",{},"A ",[613,614,615],"strong",{},"drain"," is the terminal step of evlog's pipeline: a function that receives wide events and ships them somewhere: an HTTP API, a message queue, a database, a webhook, a local file. evlog ships built-in drains for popular providers (",[618,619,620],"a",{"href":153},"Adapters overview","). When you need a destination that isn't covered, you write your own.",[609,623,624],{},"Two factories cover every case:",[626,627,628,641],"table",{},[629,630,631],"thead",{},[632,633,634,638],"tr",{},[635,636,637],"th",{},"You have…",[635,639,640],{},"Use",[642,643,644,663],"tbody",{},[632,645,646,655],{},[647,648,649,650,654],"td",{},"An HTTP backend (REST, JSON ingest, vendor ",[651,652,653],"code",{},"\u002Fv1\u002Flogs"," endpoint)",[647,656,657],{},[618,658,660],{"href":659},"#definehttpdrain-the-http-recipe",[651,661,662],{},"defineHttpDrain",[632,664,665,668],{},[647,666,667],{},"A non-HTTP transport (gRPC, WebSocket, vendor SDK, queue, raw socket)",[647,669,670],{},[618,671,673],{"href":672},"#definedrain-non-http-transports",[651,674,675],{},"defineDrain",[609,677,678,679,682],{},"Both come from ",[651,680,681],{},"evlog\u002Ftoolkit"," and are the exact factories every built-in adapter uses.",[684,685,689,692,791],"prompt",{":actions":686,"description":687,"icon":688},"[\"copy\",\"cursor\",\"claude\"]","Build a custom evlog drain","i-lucide-code-2",[609,690,691],{},"Build a custom evlog drain that ships wide events to a backend without a built-in adapter.",[693,694,695,710,721,736,754,769,774,784],"ul",{},[696,697,698,699,702,703,705,706,709],"li",{},"For HTTP backends, use ",[651,700,701],{},"defineHttpDrain({ name, resolve, encode })"," from ",[651,704,681],{},", and never call ",[651,707,708],{},"fetch"," directly",[696,711,712,713,716,717,720],{},"For non-HTTP transports (queue, DB, native SDK, raw socket), use ",[651,714,715],{},"defineDrain({ name, send })"," and implement ",[651,718,719],{},"send(events)"," myself",[696,722,723,724,727,728,731,732,735],{},"Resolve config lazily inside ",[651,725,726],{},"resolve()"," via ",[651,729,730],{},"resolveAdapterConfig(namespace, fields, overrides)"," so users get the standard precedence (overrides → ",[651,733,734],{},"runtimeConfig.evlog.\u003Cns>"," → env)",[696,737,738,739,742,743,746,747,750,751],{},"Use the standardized field names: ",[651,740,741],{},"apiKey"," for bearer secrets, ",[651,744,745],{},"endpoint"," for the base URL, ",[651,748,749],{},"serviceName",", ",[651,752,753],{},"timeout",[696,755,756,757,760,761,764,765,768],{},"Encode batched events into the destination's wire format inside ",[651,758,759],{},"encode(events, config)",", return ",[651,762,763],{},"{ url, headers, body }"," (or ",[651,766,767],{},"null"," to opt out of the batch)",[696,770,771,773],{},[651,772,662],{}," handles retries, timeouts, error isolation, batching, and identity headers. Don't reimplement them",[696,775,776,777,780,781,783],{},"Wire the drain via ",[651,778,779],{},"defineEvlog({ drain: createMyDrain() })"," or my framework's middleware ",[651,782,615],{}," option",[696,785,786,787,790],{},"For production, wrap the result in ",[651,788,789],{},"createDrainPipeline"," for batching + retries",[609,792,793,794,799,800],{},"Docs: ",[618,795,796],{"href":796,"rel":797},"https:\u002F\u002Fwww.evlog.dev\u002Fextend\u002Fcustom-drains",[798],"nofollow","\nPipeline: ",[618,801,802],{"href":802,"rel":803},"https:\u002F\u002Fwww.evlog.dev\u002Fextend\u002Fdrain-pipeline",[798],[805,806,808,810],"h2",{"id":807},"definehttpdrain-the-http-recipe",[651,809,662],{}," (the HTTP recipe)",[609,812,813,814,816,817,819,820,823],{},"The recipe every built-in adapter follows. Two pure functions: ",[651,815,726],{}," returns the config (or ",[651,818,767],{}," to skip), ",[651,821,822],{},"encode()"," returns the HTTP request payload.",[825,826,827],"code-collapse",{},[828,829,835],"pre",{"className":830,"code":831,"filename":832,"language":833,"meta":834,"style":834},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import {\n  defineHttpDrain,\n  resolveAdapterConfig,\n  type ConfigField,\n} from 'evlog\u002Ftoolkit'\n\ninterface MyServiceConfig {\n  apiKey: string\n  endpoint?: string\n  timeout?: number\n}\n\nconst FIELDS: ConfigField\u003CMyServiceConfig>[] = [\n  { key: 'apiKey', env: ['MYSERVICE_API_KEY'] },\n  { key: 'endpoint', env: ['MYSERVICE_ENDPOINT'] },\n  { key: 'timeout' },\n]\n\nexport function createMyServiceDrain(overrides?: Partial\u003CMyServiceConfig>) {\n  return defineHttpDrain\u003CMyServiceConfig>({\n    name: 'myservice',\n    resolve: async () => {\n      const cfg = await resolveAdapterConfig\u003CMyServiceConfig>('myservice', FIELDS, overrides)\n      if (!cfg.apiKey) {\n        console.error('[evlog\u002Fmyservice] Missing apiKey')\n        return null\n      }\n      return cfg as MyServiceConfig\n    },\n    encode: (events, cfg) => ({\n      url: `${cfg.endpoint ?? 'https:\u002F\u002Fapi.myservice.com'}\u002Fv1\u002Fingest`,\n      headers: {\n        'Content-Type': 'application\u002Fjson',\n        Authorization: `Bearer ${cfg.apiKey}`,\n      },\n      body: JSON.stringify(events),\n    }),\n  })\n}\n","lib\u002Fmy-drain.ts","typescript","",[651,836,837,850,860,868,879,897,904,917,930,941,952,958,963,994,1036,1070,1088,1094,1099,1133,1153,1170,1189,1233,1258,1280,1289,1295,1309,1315,1341,1378,1388,1410,1438,1444,1468,1478,1486],{"__ignoreMap":834},[838,839,842,846],"span",{"class":840,"line":841},"line",1,[838,843,845],{"class":844},"s7zQu","import",[838,847,849],{"class":848},"sMK4o"," {\n",[838,851,853,857],{"class":840,"line":852},2,[838,854,856],{"class":855},"sTEyZ","  defineHttpDrain",[838,858,859],{"class":848},",\n",[838,861,863,866],{"class":840,"line":862},3,[838,864,865],{"class":855},"  resolveAdapterConfig",[838,867,859],{"class":848},[838,869,871,874,877],{"class":840,"line":870},4,[838,872,873],{"class":844},"  type",[838,875,876],{"class":855}," ConfigField",[838,878,859],{"class":848},[838,880,882,885,888,891,894],{"class":840,"line":881},5,[838,883,884],{"class":848},"}",[838,886,887],{"class":844}," from",[838,889,890],{"class":848}," '",[838,892,681],{"class":893},"sfazB",[838,895,896],{"class":848},"'\n",[838,898,900],{"class":840,"line":899},6,[838,901,903],{"emptyLinePlaceholder":902},true,"\n",[838,905,907,911,915],{"class":840,"line":906},7,[838,908,910],{"class":909},"spNyl","interface",[838,912,914],{"class":913},"sBMFI"," MyServiceConfig",[838,916,849],{"class":848},[838,918,920,924,927],{"class":840,"line":919},8,[838,921,923],{"class":922},"swJcz","  apiKey",[838,925,926],{"class":848},":",[838,928,929],{"class":913}," string\n",[838,931,933,936,939],{"class":840,"line":932},9,[838,934,935],{"class":922},"  endpoint",[838,937,938],{"class":848},"?:",[838,940,929],{"class":913},[838,942,944,947,949],{"class":840,"line":943},10,[838,945,946],{"class":922},"  timeout",[838,948,938],{"class":848},[838,950,951],{"class":913}," number\n",[838,953,955],{"class":840,"line":954},11,[838,956,957],{"class":848},"}\n",[838,959,961],{"class":840,"line":960},12,[838,962,903],{"emptyLinePlaceholder":902},[838,964,966,969,972,974,976,979,982,985,988,991],{"class":840,"line":965},13,[838,967,968],{"class":909},"const",[838,970,971],{"class":855}," FIELDS",[838,973,926],{"class":848},[838,975,876],{"class":913},[838,977,978],{"class":848},"\u003C",[838,980,981],{"class":913},"MyServiceConfig",[838,983,984],{"class":848},">",[838,986,987],{"class":855},"[] ",[838,989,990],{"class":848},"=",[838,992,993],{"class":855}," [\n",[838,995,997,1000,1003,1005,1007,1009,1012,1015,1018,1020,1023,1025,1028,1030,1033],{"class":840,"line":996},14,[838,998,999],{"class":848},"  {",[838,1001,1002],{"class":922}," key",[838,1004,926],{"class":848},[838,1006,890],{"class":848},[838,1008,741],{"class":893},[838,1010,1011],{"class":848},"'",[838,1013,1014],{"class":848},",",[838,1016,1017],{"class":922}," env",[838,1019,926],{"class":848},[838,1021,1022],{"class":855}," [",[838,1024,1011],{"class":848},[838,1026,1027],{"class":893},"MYSERVICE_API_KEY",[838,1029,1011],{"class":848},[838,1031,1032],{"class":855},"] ",[838,1034,1035],{"class":848},"},\n",[838,1037,1039,1041,1043,1045,1047,1049,1051,1053,1055,1057,1059,1061,1064,1066,1068],{"class":840,"line":1038},15,[838,1040,999],{"class":848},[838,1042,1002],{"class":922},[838,1044,926],{"class":848},[838,1046,890],{"class":848},[838,1048,745],{"class":893},[838,1050,1011],{"class":848},[838,1052,1014],{"class":848},[838,1054,1017],{"class":922},[838,1056,926],{"class":848},[838,1058,1022],{"class":855},[838,1060,1011],{"class":848},[838,1062,1063],{"class":893},"MYSERVICE_ENDPOINT",[838,1065,1011],{"class":848},[838,1067,1032],{"class":855},[838,1069,1035],{"class":848},[838,1071,1073,1075,1077,1079,1081,1083,1085],{"class":840,"line":1072},16,[838,1074,999],{"class":848},[838,1076,1002],{"class":922},[838,1078,926],{"class":848},[838,1080,890],{"class":848},[838,1082,753],{"class":893},[838,1084,1011],{"class":848},[838,1086,1087],{"class":848}," },\n",[838,1089,1091],{"class":840,"line":1090},17,[838,1092,1093],{"class":855},"]\n",[838,1095,1097],{"class":840,"line":1096},18,[838,1098,903],{"emptyLinePlaceholder":902},[838,1100,1102,1105,1108,1112,1115,1119,1121,1124,1126,1128,1131],{"class":840,"line":1101},19,[838,1103,1104],{"class":844},"export",[838,1106,1107],{"class":909}," function",[838,1109,1111],{"class":1110},"s2Zo4"," createMyServiceDrain",[838,1113,1114],{"class":848},"(",[838,1116,1118],{"class":1117},"sHdIc","overrides",[838,1120,938],{"class":848},[838,1122,1123],{"class":913}," Partial",[838,1125,978],{"class":848},[838,1127,981],{"class":913},[838,1129,1130],{"class":848},">)",[838,1132,849],{"class":848},[838,1134,1136,1139,1142,1144,1146,1148,1150],{"class":840,"line":1135},20,[838,1137,1138],{"class":844},"  return",[838,1140,1141],{"class":1110}," defineHttpDrain",[838,1143,978],{"class":848},[838,1145,981],{"class":913},[838,1147,984],{"class":848},[838,1149,1114],{"class":922},[838,1151,1152],{"class":848},"{\n",[838,1154,1156,1159,1161,1163,1166,1168],{"class":840,"line":1155},21,[838,1157,1158],{"class":922},"    name",[838,1160,926],{"class":848},[838,1162,890],{"class":848},[838,1164,1165],{"class":893},"myservice",[838,1167,1011],{"class":848},[838,1169,859],{"class":848},[838,1171,1173,1176,1178,1181,1184,1187],{"class":840,"line":1172},22,[838,1174,1175],{"class":1110},"    resolve",[838,1177,926],{"class":848},[838,1179,1180],{"class":909}," async",[838,1182,1183],{"class":848}," ()",[838,1185,1186],{"class":909}," =>",[838,1188,849],{"class":848},[838,1190,1192,1195,1198,1201,1204,1207,1209,1211,1213,1215,1217,1219,1221,1223,1225,1227,1230],{"class":840,"line":1191},23,[838,1193,1194],{"class":909},"      const",[838,1196,1197],{"class":855}," cfg",[838,1199,1200],{"class":848}," =",[838,1202,1203],{"class":844}," await",[838,1205,1206],{"class":1110}," resolveAdapterConfig",[838,1208,978],{"class":848},[838,1210,981],{"class":913},[838,1212,984],{"class":848},[838,1214,1114],{"class":922},[838,1216,1011],{"class":848},[838,1218,1165],{"class":893},[838,1220,1011],{"class":848},[838,1222,1014],{"class":848},[838,1224,971],{"class":855},[838,1226,1014],{"class":848},[838,1228,1229],{"class":855}," overrides",[838,1231,1232],{"class":922},")\n",[838,1234,1236,1239,1242,1245,1248,1251,1253,1256],{"class":840,"line":1235},24,[838,1237,1238],{"class":844},"      if",[838,1240,1241],{"class":922}," (",[838,1243,1244],{"class":848},"!",[838,1246,1247],{"class":855},"cfg",[838,1249,1250],{"class":848},".",[838,1252,741],{"class":855},[838,1254,1255],{"class":922},") ",[838,1257,1152],{"class":848},[838,1259,1261,1264,1266,1269,1271,1273,1276,1278],{"class":840,"line":1260},25,[838,1262,1263],{"class":855},"        console",[838,1265,1250],{"class":848},[838,1267,1268],{"class":1110},"error",[838,1270,1114],{"class":922},[838,1272,1011],{"class":848},[838,1274,1275],{"class":893},"[evlog\u002Fmyservice] Missing apiKey",[838,1277,1011],{"class":848},[838,1279,1232],{"class":922},[838,1281,1283,1286],{"class":840,"line":1282},26,[838,1284,1285],{"class":844},"        return",[838,1287,1288],{"class":848}," null\n",[838,1290,1292],{"class":840,"line":1291},27,[838,1293,1294],{"class":848},"      }\n",[838,1296,1298,1301,1303,1306],{"class":840,"line":1297},28,[838,1299,1300],{"class":844},"      return",[838,1302,1197],{"class":855},[838,1304,1305],{"class":844}," as",[838,1307,1308],{"class":913}," MyServiceConfig\n",[838,1310,1312],{"class":840,"line":1311},29,[838,1313,1314],{"class":848},"    },\n",[838,1316,1318,1321,1323,1325,1328,1330,1332,1335,1337,1339],{"class":840,"line":1317},30,[838,1319,1320],{"class":1110},"    encode",[838,1322,926],{"class":848},[838,1324,1241],{"class":848},[838,1326,1327],{"class":1117},"events",[838,1329,1014],{"class":848},[838,1331,1197],{"class":1117},[838,1333,1334],{"class":848},")",[838,1336,1186],{"class":909},[838,1338,1241],{"class":922},[838,1340,1152],{"class":848},[838,1342,1344,1347,1349,1352,1354,1356,1359,1362,1364,1367,1370,1373,1376],{"class":840,"line":1343},31,[838,1345,1346],{"class":922},"      url",[838,1348,926],{"class":848},[838,1350,1351],{"class":848}," `${",[838,1353,1247],{"class":855},[838,1355,1250],{"class":848},[838,1357,1358],{"class":855},"endpoint ",[838,1360,1361],{"class":848},"??",[838,1363,890],{"class":848},[838,1365,1366],{"class":893},"https:\u002F\u002Fapi.myservice.com",[838,1368,1369],{"class":848},"'}",[838,1371,1372],{"class":893},"\u002Fv1\u002Fingest",[838,1374,1375],{"class":848},"`",[838,1377,859],{"class":848},[838,1379,1381,1384,1386],{"class":840,"line":1380},32,[838,1382,1383],{"class":922},"      headers",[838,1385,926],{"class":848},[838,1387,849],{"class":848},[838,1389,1391,1394,1397,1399,1401,1403,1406,1408],{"class":840,"line":1390},33,[838,1392,1393],{"class":848},"        '",[838,1395,1396],{"class":922},"Content-Type",[838,1398,1011],{"class":848},[838,1400,926],{"class":848},[838,1402,890],{"class":848},[838,1404,1405],{"class":893},"application\u002Fjson",[838,1407,1011],{"class":848},[838,1409,859],{"class":848},[838,1411,1413,1416,1418,1421,1424,1427,1429,1431,1433,1436],{"class":840,"line":1412},34,[838,1414,1415],{"class":922},"        Authorization",[838,1417,926],{"class":848},[838,1419,1420],{"class":848}," `",[838,1422,1423],{"class":893},"Bearer ",[838,1425,1426],{"class":848},"${",[838,1428,1247],{"class":855},[838,1430,1250],{"class":848},[838,1432,741],{"class":855},[838,1434,1435],{"class":848},"}`",[838,1437,859],{"class":848},[838,1439,1441],{"class":840,"line":1440},35,[838,1442,1443],{"class":848},"      },\n",[838,1445,1447,1450,1452,1455,1457,1460,1462,1464,1466],{"class":840,"line":1446},36,[838,1448,1449],{"class":922},"      body",[838,1451,926],{"class":848},[838,1453,1454],{"class":855}," JSON",[838,1456,1250],{"class":848},[838,1458,1459],{"class":1110},"stringify",[838,1461,1114],{"class":922},[838,1463,1327],{"class":855},[838,1465,1334],{"class":922},[838,1467,859],{"class":848},[838,1469,1471,1474,1476],{"class":840,"line":1470},37,[838,1472,1473],{"class":848},"    }",[838,1475,1334],{"class":922},[838,1477,859],{"class":848},[838,1479,1481,1484],{"class":840,"line":1480},38,[838,1482,1483],{"class":848},"  }",[838,1485,1232],{"class":922},[838,1487,1489],{"class":840,"line":1488},39,[838,1490,957],{"class":848},[609,1492,1493,1494,1496,1497,1500,1501,1504,1505,1509,1510,1513],{},"That's it. ",[651,1495,662],{}," handles retries (default 2), timeouts (default 5000ms), error isolation, and the identity headers (",[651,1498,1499],{},"User-Agent: evlog\u002F\u003Cversion>"," + ",[651,1502,1503],{},"X-Evlog-Source: \u003Cname>","). Your app pipeline keeps running even if your destination is down, and when you wrap the drain in ",[618,1506,1507],{"href":535},[651,1508,789],{},", the pipeline takes over retries through the drain's ",[651,1511,1512],{},"raw"," variant.",[1515,1516,1518],"h3",{"id":1517},"a-5-minute-example-internal-loki-drain","A 5-minute example: internal Loki drain",[609,1520,1521],{},"A complete working drain in 25 lines, with no external config helper:",[828,1523,1528],{"className":1524,"code":1525,"filename":1526,"language":1527,"meta":834,"style":834},"language-ts shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { defineHttpDrain } from 'evlog\u002Ftoolkit'\n\nexport function createLokiDrain(overrides?: { url?: string, token?: string }) {\n  return defineHttpDrain\u003C{ url: string, token: string }>({\n    name: 'loki',\n    resolve: () => ({\n      url: overrides?.url ?? process.env.LOKI_URL!,\n      token: overrides?.token ?? process.env.LOKI_TOKEN!,\n    }),\n    encode: (events, config) => ({\n      url: `${config.url}\u002Floki\u002Fapi\u002Fv1\u002Fpush`,\n      headers: {\n        'Content-Type': 'application\u002Fjson',\n        Authorization: `Bearer ${config.token}`,\n      },\n      body: JSON.stringify({\n        streams: events.map(e => ({\n          stream: { service: e.service, level: e.level },\n          values: [[String(Date.parse(e.timestamp) * 1e6), JSON.stringify(e)]],\n        })),\n      }),\n    }),\n  })\n}\n","lib\u002Floki-drain.ts","ts",[651,1529,1530,1550,1554,1593,1623,1638,1652,1685,1714,1722,1745,1769,1777,1795,1817,1821,1837,1862,1900,1960,1970,1979,1987,1993],{"__ignoreMap":834},[838,1531,1532,1534,1537,1539,1542,1544,1546,1548],{"class":840,"line":841},[838,1533,845],{"class":844},[838,1535,1536],{"class":848}," {",[838,1538,1141],{"class":855},[838,1540,1541],{"class":848}," }",[838,1543,887],{"class":844},[838,1545,890],{"class":848},[838,1547,681],{"class":893},[838,1549,896],{"class":848},[838,1551,1552],{"class":840,"line":852},[838,1553,903],{"emptyLinePlaceholder":902},[838,1555,1556,1558,1560,1563,1565,1567,1569,1571,1574,1576,1579,1581,1584,1586,1588,1591],{"class":840,"line":862},[838,1557,1104],{"class":844},[838,1559,1107],{"class":909},[838,1561,1562],{"class":1110}," createLokiDrain",[838,1564,1114],{"class":848},[838,1566,1118],{"class":1117},[838,1568,938],{"class":848},[838,1570,1536],{"class":848},[838,1572,1573],{"class":922}," url",[838,1575,938],{"class":848},[838,1577,1578],{"class":913}," string",[838,1580,1014],{"class":848},[838,1582,1583],{"class":922}," token",[838,1585,938],{"class":848},[838,1587,1578],{"class":913},[838,1589,1590],{"class":848}," })",[838,1592,849],{"class":848},[838,1594,1595,1597,1599,1602,1604,1606,1608,1610,1612,1614,1616,1619,1621],{"class":840,"line":870},[838,1596,1138],{"class":844},[838,1598,1141],{"class":1110},[838,1600,1601],{"class":848},"\u003C{",[838,1603,1573],{"class":922},[838,1605,926],{"class":848},[838,1607,1578],{"class":913},[838,1609,1014],{"class":848},[838,1611,1583],{"class":922},[838,1613,926],{"class":848},[838,1615,1578],{"class":913},[838,1617,1618],{"class":848}," }>",[838,1620,1114],{"class":922},[838,1622,1152],{"class":848},[838,1624,1625,1627,1629,1631,1634,1636],{"class":840,"line":881},[838,1626,1158],{"class":922},[838,1628,926],{"class":848},[838,1630,890],{"class":848},[838,1632,1633],{"class":893},"loki",[838,1635,1011],{"class":848},[838,1637,859],{"class":848},[838,1639,1640,1642,1644,1646,1648,1650],{"class":840,"line":899},[838,1641,1175],{"class":1110},[838,1643,926],{"class":848},[838,1645,1183],{"class":848},[838,1647,1186],{"class":909},[838,1649,1241],{"class":922},[838,1651,1152],{"class":848},[838,1653,1654,1656,1658,1660,1663,1666,1669,1672,1674,1677,1679,1682],{"class":840,"line":906},[838,1655,1346],{"class":922},[838,1657,926],{"class":848},[838,1659,1229],{"class":855},[838,1661,1662],{"class":848},"?.",[838,1664,1665],{"class":855},"url",[838,1667,1668],{"class":848}," ??",[838,1670,1671],{"class":855}," process",[838,1673,1250],{"class":848},[838,1675,1676],{"class":855},"env",[838,1678,1250],{"class":848},[838,1680,1681],{"class":855},"LOKI_URL",[838,1683,1684],{"class":848},"!,\n",[838,1686,1687,1690,1692,1694,1696,1699,1701,1703,1705,1707,1709,1712],{"class":840,"line":919},[838,1688,1689],{"class":922},"      token",[838,1691,926],{"class":848},[838,1693,1229],{"class":855},[838,1695,1662],{"class":848},[838,1697,1698],{"class":855},"token",[838,1700,1668],{"class":848},[838,1702,1671],{"class":855},[838,1704,1250],{"class":848},[838,1706,1676],{"class":855},[838,1708,1250],{"class":848},[838,1710,1711],{"class":855},"LOKI_TOKEN",[838,1713,1684],{"class":848},[838,1715,1716,1718,1720],{"class":840,"line":932},[838,1717,1473],{"class":848},[838,1719,1334],{"class":922},[838,1721,859],{"class":848},[838,1723,1724,1726,1728,1730,1732,1734,1737,1739,1741,1743],{"class":840,"line":943},[838,1725,1320],{"class":1110},[838,1727,926],{"class":848},[838,1729,1241],{"class":848},[838,1731,1327],{"class":1117},[838,1733,1014],{"class":848},[838,1735,1736],{"class":1117}," config",[838,1738,1334],{"class":848},[838,1740,1186],{"class":909},[838,1742,1241],{"class":922},[838,1744,1152],{"class":848},[838,1746,1747,1749,1751,1753,1756,1758,1760,1762,1765,1767],{"class":840,"line":954},[838,1748,1346],{"class":922},[838,1750,926],{"class":848},[838,1752,1351],{"class":848},[838,1754,1755],{"class":855},"config",[838,1757,1250],{"class":848},[838,1759,1665],{"class":855},[838,1761,884],{"class":848},[838,1763,1764],{"class":893},"\u002Floki\u002Fapi\u002Fv1\u002Fpush",[838,1766,1375],{"class":848},[838,1768,859],{"class":848},[838,1770,1771,1773,1775],{"class":840,"line":960},[838,1772,1383],{"class":922},[838,1774,926],{"class":848},[838,1776,849],{"class":848},[838,1778,1779,1781,1783,1785,1787,1789,1791,1793],{"class":840,"line":965},[838,1780,1393],{"class":848},[838,1782,1396],{"class":922},[838,1784,1011],{"class":848},[838,1786,926],{"class":848},[838,1788,890],{"class":848},[838,1790,1405],{"class":893},[838,1792,1011],{"class":848},[838,1794,859],{"class":848},[838,1796,1797,1799,1801,1803,1805,1807,1809,1811,1813,1815],{"class":840,"line":996},[838,1798,1415],{"class":922},[838,1800,926],{"class":848},[838,1802,1420],{"class":848},[838,1804,1423],{"class":893},[838,1806,1426],{"class":848},[838,1808,1755],{"class":855},[838,1810,1250],{"class":848},[838,1812,1698],{"class":855},[838,1814,1435],{"class":848},[838,1816,859],{"class":848},[838,1818,1819],{"class":840,"line":1038},[838,1820,1443],{"class":848},[838,1822,1823,1825,1827,1829,1831,1833,1835],{"class":840,"line":1072},[838,1824,1449],{"class":922},[838,1826,926],{"class":848},[838,1828,1454],{"class":855},[838,1830,1250],{"class":848},[838,1832,1459],{"class":1110},[838,1834,1114],{"class":922},[838,1836,1152],{"class":848},[838,1838,1839,1842,1844,1847,1849,1851,1853,1856,1858,1860],{"class":840,"line":1090},[838,1840,1841],{"class":922},"        streams",[838,1843,926],{"class":848},[838,1845,1846],{"class":855}," events",[838,1848,1250],{"class":848},[838,1850,99],{"class":1110},[838,1852,1114],{"class":922},[838,1854,1855],{"class":1117},"e",[838,1857,1186],{"class":909},[838,1859,1241],{"class":922},[838,1861,1152],{"class":848},[838,1863,1864,1867,1869,1871,1874,1876,1879,1881,1884,1886,1889,1891,1893,1895,1898],{"class":840,"line":1096},[838,1865,1866],{"class":922},"          stream",[838,1868,926],{"class":848},[838,1870,1536],{"class":848},[838,1872,1873],{"class":922}," service",[838,1875,926],{"class":848},[838,1877,1878],{"class":855}," e",[838,1880,1250],{"class":848},[838,1882,1883],{"class":855},"service",[838,1885,1014],{"class":848},[838,1887,1888],{"class":922}," level",[838,1890,926],{"class":848},[838,1892,1878],{"class":855},[838,1894,1250],{"class":848},[838,1896,1897],{"class":855},"level",[838,1899,1087],{"class":848},[838,1901,1902,1905,1907,1910,1913,1915,1918,1920,1923,1925,1927,1929,1932,1934,1937,1941,1943,1945,1947,1949,1951,1953,1955,1958],{"class":840,"line":1101},[838,1903,1904],{"class":922},"          values",[838,1906,926],{"class":848},[838,1908,1909],{"class":922}," [[",[838,1911,1912],{"class":1110},"String",[838,1914,1114],{"class":922},[838,1916,1917],{"class":855},"Date",[838,1919,1250],{"class":848},[838,1921,1922],{"class":1110},"parse",[838,1924,1114],{"class":922},[838,1926,1855],{"class":855},[838,1928,1250],{"class":848},[838,1930,1931],{"class":855},"timestamp",[838,1933,1255],{"class":922},[838,1935,1936],{"class":848},"*",[838,1938,1940],{"class":1939},"sbssI"," 1e6",[838,1942,1334],{"class":922},[838,1944,1014],{"class":848},[838,1946,1454],{"class":855},[838,1948,1250],{"class":848},[838,1950,1459],{"class":1110},[838,1952,1114],{"class":922},[838,1954,1855],{"class":855},[838,1956,1957],{"class":922},")]]",[838,1959,859],{"class":848},[838,1961,1962,1965,1968],{"class":840,"line":1135},[838,1963,1964],{"class":848},"        }",[838,1966,1967],{"class":922},"))",[838,1969,859],{"class":848},[838,1971,1972,1975,1977],{"class":840,"line":1155},[838,1973,1974],{"class":848},"      }",[838,1976,1334],{"class":922},[838,1978,859],{"class":848},[838,1980,1981,1983,1985],{"class":840,"line":1172},[838,1982,1473],{"class":848},[838,1984,1334],{"class":922},[838,1986,859],{"class":848},[838,1988,1989,1991],{"class":840,"line":1191},[838,1990,1483],{"class":848},[838,1992,1232],{"class":922},[838,1994,1995],{"class":840,"line":1235},[838,1996,957],{"class":848},[805,1998,2000],{"id":1999},"know-which-config-wins","Know which config wins",[609,2002,2003,2005],{},[651,2004,730],{}," walks the standard chain so users get the same configuration UX as built-in adapters:",[2007,2008,2009,2015,2021,2027],"ol",{},[696,2010,2011,2012,2014],{},"Explicit ",[651,2013,1118],{}," passed to your factory",[696,2016,2017,2020],{},[651,2018,2019],{},"runtimeConfig.evlog.\u003Cnamespace>"," (Nuxt\u002FNitro)",[696,2022,2023,2026],{},[651,2024,2025],{},"runtimeConfig.\u003Cnamespace>"," (legacy Nuxt\u002FNitro)",[696,2028,2029,2032,2033,2036,2037,2040,2041,2043,2044,1334],{},[651,2030,2031],{},"\u003CNS>_\u003CFIELD>"," env vars (list ",[651,2034,2035],{},"NUXT_\u003CNS>_\u003CFIELD>"," in ",[651,2038,2039],{},"ConfigField.env"," for silent Nuxt compat; show only ",[651,2042,2031],{}," in error messages via ",[651,2045,2046],{},"formatPublicEnvKeys",[609,2048,2049,2050,750,2052,750,2054,750,2056,2058,2059,2061,2062,2064,2065,2068,2069,2072,2073,2076],{},"Field names should follow the project conventions: ",[651,2051,741],{},[651,2053,745],{},[651,2055,749],{},[651,2057,753],{},". If you're renaming an existing field (e.g. ",[651,2060,1698],{}," → ",[651,2063,741],{},"), keep both as ",[651,2066,2067],{},"ConfigField"," entries for one major version. See ",[651,2070,2071],{},"axiom.ts"," and ",[651,2074,2075],{},"better-stack.ts"," for the deprecation pattern.",[805,2078,2080],{"id":2079},"wire-the-drain-into-your-framework","Wire the drain into your framework",[609,2082,2083,2084,2087],{},"Once ",[651,2085,2086],{},"createMyServiceDrain()"," returns the drain, wire it like any other:",[2089,2090,2091,2198,2292,2414,2502,2617,2717,2796,2870,2907,2981,3013,3098,3172],"framework-tabs",{},[828,2092,2095],{"className":830,"code":2093,"filename":240,"language":833,"meta":2094,"style":834},"import { createMyServiceDrain } from '~\u002Fserver\u002Futils\u002Fmy-drain'\n\nconst drain = createMyServiceDrain()\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', drain)\n})\n","server\u002Fplugins\u002Fevlog-drain.ts",[651,2096,2097,2116,2120,2134,2138,2161,2192],{"__ignoreMap":834},[838,2098,2099,2101,2103,2105,2107,2109,2111,2114],{"class":840,"line":841},[838,2100,845],{"class":844},[838,2102,1536],{"class":848},[838,2104,1111],{"class":855},[838,2106,1541],{"class":848},[838,2108,887],{"class":844},[838,2110,890],{"class":848},[838,2112,2113],{"class":893},"~\u002Fserver\u002Futils\u002Fmy-drain",[838,2115,896],{"class":848},[838,2117,2118],{"class":840,"line":852},[838,2119,903],{"emptyLinePlaceholder":902},[838,2121,2122,2124,2127,2129,2131],{"class":840,"line":862},[838,2123,968],{"class":909},[838,2125,2126],{"class":855}," drain ",[838,2128,990],{"class":848},[838,2130,1111],{"class":1110},[838,2132,2133],{"class":855},"()\n",[838,2135,2136],{"class":840,"line":870},[838,2137,903],{"emptyLinePlaceholder":902},[838,2139,2140,2142,2145,2148,2150,2152,2155,2157,2159],{"class":840,"line":881},[838,2141,1104],{"class":844},[838,2143,2144],{"class":844}," default",[838,2146,2147],{"class":1110}," defineNitroPlugin",[838,2149,1114],{"class":855},[838,2151,1114],{"class":848},[838,2153,2154],{"class":1117},"nitroApp",[838,2156,1334],{"class":848},[838,2158,1186],{"class":909},[838,2160,849],{"class":848},[838,2162,2163,2166,2168,2171,2173,2176,2178,2180,2183,2185,2187,2190],{"class":840,"line":899},[838,2164,2165],{"class":855},"  nitroApp",[838,2167,1250],{"class":848},[838,2169,2170],{"class":855},"hooks",[838,2172,1250],{"class":848},[838,2174,2175],{"class":1110},"hook",[838,2177,1114],{"class":922},[838,2179,1011],{"class":848},[838,2181,2182],{"class":893},"evlog:drain",[838,2184,1011],{"class":848},[838,2186,1014],{"class":848},[838,2188,2189],{"class":855}," drain",[838,2191,1232],{"class":922},[838,2193,2194,2196],{"class":840,"line":906},[838,2195,884],{"class":848},[838,2197,1232],{"class":855},[828,2199,2200],{"className":830,"code":2093,"filename":255,"language":833,"meta":2094,"style":834},[651,2201,2202,2220,2224,2236,2240,2260,2286],{"__ignoreMap":834},[838,2203,2204,2206,2208,2210,2212,2214,2216,2218],{"class":840,"line":841},[838,2205,845],{"class":844},[838,2207,1536],{"class":848},[838,2209,1111],{"class":855},[838,2211,1541],{"class":848},[838,2213,887],{"class":844},[838,2215,890],{"class":848},[838,2217,2113],{"class":893},[838,2219,896],{"class":848},[838,2221,2222],{"class":840,"line":852},[838,2223,903],{"emptyLinePlaceholder":902},[838,2225,2226,2228,2230,2232,2234],{"class":840,"line":862},[838,2227,968],{"class":909},[838,2229,2126],{"class":855},[838,2231,990],{"class":848},[838,2233,1111],{"class":1110},[838,2235,2133],{"class":855},[838,2237,2238],{"class":840,"line":870},[838,2239,903],{"emptyLinePlaceholder":902},[838,2241,2242,2244,2246,2248,2250,2252,2254,2256,2258],{"class":840,"line":881},[838,2243,1104],{"class":844},[838,2245,2144],{"class":844},[838,2247,2147],{"class":1110},[838,2249,1114],{"class":855},[838,2251,1114],{"class":848},[838,2253,2154],{"class":1117},[838,2255,1334],{"class":848},[838,2257,1186],{"class":909},[838,2259,849],{"class":848},[838,2261,2262,2264,2266,2268,2270,2272,2274,2276,2278,2280,2282,2284],{"class":840,"line":899},[838,2263,2165],{"class":855},[838,2265,1250],{"class":848},[838,2267,2170],{"class":855},[838,2269,1250],{"class":848},[838,2271,2175],{"class":1110},[838,2273,1114],{"class":922},[838,2275,1011],{"class":848},[838,2277,2182],{"class":893},[838,2279,1011],{"class":848},[838,2281,1014],{"class":848},[838,2283,2189],{"class":855},[838,2285,1232],{"class":922},[838,2287,2288,2290],{"class":840,"line":906},[838,2289,884],{"class":848},[838,2291,1232],{"class":855},[828,2293,2296],{"className":830,"code":2294,"filename":245,"language":833,"meta":2295,"style":834},"import { createEvlog } from 'evlog\u002Fnext'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\nexport const { withEvlog, useLogger, log, createError } = createEvlog({\n  service: 'my-app',\n  drain: createMyServiceDrain(),\n})\n","lib\u002Fevlog.ts",[651,2297,2298,2318,2337,2341,2378,2394,2408],{"__ignoreMap":834},[838,2299,2300,2302,2304,2307,2309,2311,2313,2316],{"class":840,"line":841},[838,2301,845],{"class":844},[838,2303,1536],{"class":848},[838,2305,2306],{"class":855}," createEvlog",[838,2308,1541],{"class":848},[838,2310,887],{"class":844},[838,2312,890],{"class":848},[838,2314,2315],{"class":893},"evlog\u002Fnext",[838,2317,896],{"class":848},[838,2319,2320,2322,2324,2326,2328,2330,2332,2335],{"class":840,"line":852},[838,2321,845],{"class":844},[838,2323,1536],{"class":848},[838,2325,1111],{"class":855},[838,2327,1541],{"class":848},[838,2329,887],{"class":844},[838,2331,890],{"class":848},[838,2333,2334],{"class":893},".\u002Fmy-drain",[838,2336,896],{"class":848},[838,2338,2339],{"class":840,"line":862},[838,2340,903],{"emptyLinePlaceholder":902},[838,2342,2343,2345,2348,2350,2353,2355,2358,2360,2363,2365,2368,2370,2372,2374,2376],{"class":840,"line":870},[838,2344,1104],{"class":844},[838,2346,2347],{"class":909}," const",[838,2349,1536],{"class":848},[838,2351,2352],{"class":855}," withEvlog",[838,2354,1014],{"class":848},[838,2356,2357],{"class":855}," useLogger",[838,2359,1014],{"class":848},[838,2361,2362],{"class":855}," log",[838,2364,1014],{"class":848},[838,2366,2367],{"class":855}," createError ",[838,2369,884],{"class":848},[838,2371,1200],{"class":848},[838,2373,2306],{"class":1110},[838,2375,1114],{"class":855},[838,2377,1152],{"class":848},[838,2379,2380,2383,2385,2387,2390,2392],{"class":840,"line":881},[838,2381,2382],{"class":922},"  service",[838,2384,926],{"class":848},[838,2386,890],{"class":848},[838,2388,2389],{"class":893},"my-app",[838,2391,1011],{"class":848},[838,2393,859],{"class":848},[838,2395,2396,2399,2401,2403,2406],{"class":840,"line":899},[838,2397,2398],{"class":922},"  drain",[838,2400,926],{"class":848},[838,2402,1111],{"class":1110},[838,2404,2405],{"class":855},"()",[838,2407,859],{"class":848},[838,2409,2410,2412],{"class":840,"line":906},[838,2411,884],{"class":848},[838,2413,1232],{"class":855},[828,2415,2418],{"className":830,"code":2416,"filename":250,"language":833,"meta":2417,"style":834},"import { createEvlogHooks } from 'evlog\u002Fsveltekit'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\nexport const { handle, handleError } = createEvlogHooks({ drain: createMyServiceDrain() })\n","src\u002Fhooks.server.ts",[651,2419,2420,2440,2458,2462],{"__ignoreMap":834},[838,2421,2422,2424,2426,2429,2431,2433,2435,2438],{"class":840,"line":841},[838,2423,845],{"class":844},[838,2425,1536],{"class":848},[838,2427,2428],{"class":855}," createEvlogHooks",[838,2430,1541],{"class":848},[838,2432,887],{"class":844},[838,2434,890],{"class":848},[838,2436,2437],{"class":893},"evlog\u002Fsveltekit",[838,2439,896],{"class":848},[838,2441,2442,2444,2446,2448,2450,2452,2454,2456],{"class":840,"line":852},[838,2443,845],{"class":844},[838,2445,1536],{"class":848},[838,2447,1111],{"class":855},[838,2449,1541],{"class":848},[838,2451,887],{"class":844},[838,2453,890],{"class":848},[838,2455,2334],{"class":893},[838,2457,896],{"class":848},[838,2459,2460],{"class":840,"line":862},[838,2461,903],{"emptyLinePlaceholder":902},[838,2463,2464,2466,2468,2470,2473,2475,2478,2480,2482,2484,2486,2489,2491,2493,2495,2498,2500],{"class":840,"line":870},[838,2465,1104],{"class":844},[838,2467,2347],{"class":909},[838,2469,1536],{"class":848},[838,2471,2472],{"class":855}," handle",[838,2474,1014],{"class":848},[838,2476,2477],{"class":855}," handleError ",[838,2479,884],{"class":848},[838,2481,1200],{"class":848},[838,2483,2428],{"class":1110},[838,2485,1114],{"class":855},[838,2487,2488],{"class":848},"{",[838,2490,2189],{"class":922},[838,2492,926],{"class":848},[838,2494,1111],{"class":1110},[838,2496,2497],{"class":855},"() ",[838,2499,884],{"class":848},[838,2501,1232],{"class":855},[828,2503,2505],{"className":830,"code":2504,"filename":260,"language":833,"meta":2094,"style":834},"import { definePlugin } from 'nitro'\nimport { createMyServiceDrain } from '~\u002Fserver\u002Futils\u002Fmy-drain'\n\nconst drain = createMyServiceDrain()\n\nexport default definePlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', drain)\n})\n",[651,2506,2507,2527,2545,2549,2561,2565,2585,2611],{"__ignoreMap":834},[838,2508,2509,2511,2513,2516,2518,2520,2522,2525],{"class":840,"line":841},[838,2510,845],{"class":844},[838,2512,1536],{"class":848},[838,2514,2515],{"class":855}," definePlugin",[838,2517,1541],{"class":848},[838,2519,887],{"class":844},[838,2521,890],{"class":848},[838,2523,2524],{"class":893},"nitro",[838,2526,896],{"class":848},[838,2528,2529,2531,2533,2535,2537,2539,2541,2543],{"class":840,"line":852},[838,2530,845],{"class":844},[838,2532,1536],{"class":848},[838,2534,1111],{"class":855},[838,2536,1541],{"class":848},[838,2538,887],{"class":844},[838,2540,890],{"class":848},[838,2542,2113],{"class":893},[838,2544,896],{"class":848},[838,2546,2547],{"class":840,"line":862},[838,2548,903],{"emptyLinePlaceholder":902},[838,2550,2551,2553,2555,2557,2559],{"class":840,"line":870},[838,2552,968],{"class":909},[838,2554,2126],{"class":855},[838,2556,990],{"class":848},[838,2558,1111],{"class":1110},[838,2560,2133],{"class":855},[838,2562,2563],{"class":840,"line":881},[838,2564,903],{"emptyLinePlaceholder":902},[838,2566,2567,2569,2571,2573,2575,2577,2579,2581,2583],{"class":840,"line":899},[838,2568,1104],{"class":844},[838,2570,2144],{"class":844},[838,2572,2515],{"class":1110},[838,2574,1114],{"class":855},[838,2576,1114],{"class":848},[838,2578,2154],{"class":1117},[838,2580,1334],{"class":848},[838,2582,1186],{"class":909},[838,2584,849],{"class":848},[838,2586,2587,2589,2591,2593,2595,2597,2599,2601,2603,2605,2607,2609],{"class":840,"line":906},[838,2588,2165],{"class":855},[838,2590,1250],{"class":848},[838,2592,2170],{"class":855},[838,2594,1250],{"class":848},[838,2596,2175],{"class":1110},[838,2598,1114],{"class":922},[838,2600,1011],{"class":848},[838,2602,2182],{"class":893},[838,2604,1011],{"class":848},[838,2606,1014],{"class":848},[838,2608,2189],{"class":855},[838,2610,1232],{"class":922},[838,2612,2613,2615],{"class":840,"line":919},[838,2614,884],{"class":848},[838,2616,1232],{"class":855},[828,2618,2621],{"className":830,"code":2619,"filename":290,"language":833,"meta":2620,"style":834},"import { evlog } from 'evlog\u002Freact-router'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\nexport const middleware: Route.MiddlewareFunction[] = [\n  evlog({ drain: createMyServiceDrain() }),\n]\n","app\u002Froot.tsx",[651,2622,2623,2643,2661,2665,2690,2713],{"__ignoreMap":834},[838,2624,2625,2627,2629,2632,2634,2636,2638,2641],{"class":840,"line":841},[838,2626,845],{"class":844},[838,2628,1536],{"class":848},[838,2630,2631],{"class":855}," evlog",[838,2633,1541],{"class":848},[838,2635,887],{"class":844},[838,2637,890],{"class":848},[838,2639,2640],{"class":893},"evlog\u002Freact-router",[838,2642,896],{"class":848},[838,2644,2645,2647,2649,2651,2653,2655,2657,2659],{"class":840,"line":852},[838,2646,845],{"class":844},[838,2648,1536],{"class":848},[838,2650,1111],{"class":855},[838,2652,1541],{"class":848},[838,2654,887],{"class":844},[838,2656,890],{"class":848},[838,2658,2334],{"class":893},[838,2660,896],{"class":848},[838,2662,2663],{"class":840,"line":862},[838,2664,903],{"emptyLinePlaceholder":902},[838,2666,2667,2669,2671,2674,2676,2679,2681,2684,2686,2688],{"class":840,"line":870},[838,2668,1104],{"class":844},[838,2670,2347],{"class":909},[838,2672,2673],{"class":855}," middleware",[838,2675,926],{"class":848},[838,2677,2678],{"class":913}," Route",[838,2680,1250],{"class":848},[838,2682,2683],{"class":913},"MiddlewareFunction",[838,2685,987],{"class":855},[838,2687,990],{"class":848},[838,2689,993],{"class":855},[838,2691,2692,2695,2697,2699,2701,2703,2705,2707,2709,2711],{"class":840,"line":881},[838,2693,2694],{"class":1110},"  evlog",[838,2696,1114],{"class":855},[838,2698,2488],{"class":848},[838,2700,2189],{"class":922},[838,2702,926],{"class":848},[838,2704,1111],{"class":1110},[838,2706,2497],{"class":855},[838,2708,884],{"class":848},[838,2710,1334],{"class":855},[838,2712,859],{"class":848},[838,2714,2715],{"class":840,"line":899},[838,2716,1093],{"class":855},[828,2718,2721],{"className":830,"code":2719,"filename":275,"language":833,"meta":2720,"style":834},"import { evlog } from 'evlog\u002Fhono'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\napp.use(evlog({ drain: createMyServiceDrain() }))\n","src\u002Findex.ts",[651,2722,2723,2742,2760,2764],{"__ignoreMap":834},[838,2724,2725,2727,2729,2731,2733,2735,2737,2740],{"class":840,"line":841},[838,2726,845],{"class":844},[838,2728,1536],{"class":848},[838,2730,2631],{"class":855},[838,2732,1541],{"class":848},[838,2734,887],{"class":844},[838,2736,890],{"class":848},[838,2738,2739],{"class":893},"evlog\u002Fhono",[838,2741,896],{"class":848},[838,2743,2744,2746,2748,2750,2752,2754,2756,2758],{"class":840,"line":852},[838,2745,845],{"class":844},[838,2747,1536],{"class":848},[838,2749,1111],{"class":855},[838,2751,1541],{"class":848},[838,2753,887],{"class":844},[838,2755,890],{"class":848},[838,2757,2334],{"class":893},[838,2759,896],{"class":848},[838,2761,2762],{"class":840,"line":862},[838,2763,903],{"emptyLinePlaceholder":902},[838,2765,2766,2769,2771,2774,2776,2779,2781,2783,2785,2787,2789,2791,2793],{"class":840,"line":870},[838,2767,2768],{"class":855},"app",[838,2770,1250],{"class":848},[838,2772,2773],{"class":1110},"use",[838,2775,1114],{"class":855},[838,2777,2778],{"class":1110},"evlog",[838,2780,1114],{"class":855},[838,2782,2488],{"class":848},[838,2784,2189],{"class":922},[838,2786,926],{"class":848},[838,2788,1111],{"class":1110},[838,2790,2497],{"class":855},[838,2792,884],{"class":848},[838,2794,2795],{"class":855},"))\n",[828,2797,2799],{"className":830,"code":2798,"filename":270,"language":833,"meta":2720,"style":834},"import { evlog } from 'evlog\u002Fexpress'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\napp.use(evlog({ drain: createMyServiceDrain() }))\n",[651,2800,2801,2820,2838,2842],{"__ignoreMap":834},[838,2802,2803,2805,2807,2809,2811,2813,2815,2818],{"class":840,"line":841},[838,2804,845],{"class":844},[838,2806,1536],{"class":848},[838,2808,2631],{"class":855},[838,2810,1541],{"class":848},[838,2812,887],{"class":844},[838,2814,890],{"class":848},[838,2816,2817],{"class":893},"evlog\u002Fexpress",[838,2819,896],{"class":848},[838,2821,2822,2824,2826,2828,2830,2832,2834,2836],{"class":840,"line":852},[838,2823,845],{"class":844},[838,2825,1536],{"class":848},[838,2827,1111],{"class":855},[838,2829,1541],{"class":848},[838,2831,887],{"class":844},[838,2833,890],{"class":848},[838,2835,2334],{"class":893},[838,2837,896],{"class":848},[838,2839,2840],{"class":840,"line":862},[838,2841,903],{"emptyLinePlaceholder":902},[838,2843,2844,2846,2848,2850,2852,2854,2856,2858,2860,2862,2864,2866,2868],{"class":840,"line":870},[838,2845,2768],{"class":855},[838,2847,1250],{"class":848},[838,2849,2773],{"class":1110},[838,2851,1114],{"class":855},[838,2853,2778],{"class":1110},[838,2855,1114],{"class":855},[838,2857,2488],{"class":848},[838,2859,2189],{"class":922},[838,2861,926],{"class":848},[838,2863,1111],{"class":1110},[838,2865,2497],{"class":855},[838,2867,884],{"class":848},[838,2869,2795],{"class":855},[828,2871,2873],{"className":830,"code":2872,"filename":280,"language":833,"meta":2720,"style":834},"await app.register(evlog, { drain: createMyServiceDrain() })\n",[651,2874,2875],{"__ignoreMap":834},[838,2876,2877,2880,2883,2885,2888,2891,2893,2895,2897,2899,2901,2903,2905],{"class":840,"line":841},[838,2878,2879],{"class":844},"await",[838,2881,2882],{"class":855}," app",[838,2884,1250],{"class":848},[838,2886,2887],{"class":1110},"register",[838,2889,2890],{"class":855},"(evlog",[838,2892,1014],{"class":848},[838,2894,1536],{"class":848},[838,2896,2189],{"class":922},[838,2898,926],{"class":848},[838,2900,1111],{"class":1110},[838,2902,2497],{"class":855},[838,2904,884],{"class":848},[838,2906,1232],{"class":855},[828,2908,2910],{"className":830,"code":2909,"filename":285,"language":833,"meta":2720,"style":834},"import { evlog } from 'evlog\u002Felysia'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\napp.use(evlog({ drain: createMyServiceDrain() }))\n",[651,2911,2912,2931,2949,2953],{"__ignoreMap":834},[838,2913,2914,2916,2918,2920,2922,2924,2926,2929],{"class":840,"line":841},[838,2915,845],{"class":844},[838,2917,1536],{"class":848},[838,2919,2631],{"class":855},[838,2921,1541],{"class":848},[838,2923,887],{"class":844},[838,2925,890],{"class":848},[838,2927,2928],{"class":893},"evlog\u002Felysia",[838,2930,896],{"class":848},[838,2932,2933,2935,2937,2939,2941,2943,2945,2947],{"class":840,"line":852},[838,2934,845],{"class":844},[838,2936,1536],{"class":848},[838,2938,1111],{"class":855},[838,2940,1541],{"class":848},[838,2942,887],{"class":844},[838,2944,890],{"class":848},[838,2946,2334],{"class":893},[838,2948,896],{"class":848},[838,2950,2951],{"class":840,"line":862},[838,2952,903],{"emptyLinePlaceholder":902},[838,2954,2955,2957,2959,2961,2963,2965,2967,2969,2971,2973,2975,2977,2979],{"class":840,"line":870},[838,2956,2768],{"class":855},[838,2958,1250],{"class":848},[838,2960,2773],{"class":1110},[838,2962,1114],{"class":855},[838,2964,2778],{"class":1110},[838,2966,1114],{"class":855},[838,2968,2488],{"class":848},[838,2970,2189],{"class":922},[838,2972,926],{"class":848},[838,2974,1111],{"class":1110},[838,2976,2497],{"class":855},[838,2978,884],{"class":848},[838,2980,2795],{"class":855},[828,2982,2985],{"className":830,"code":2983,"filename":265,"language":833,"meta":2984,"style":834},"EvlogModule.forRoot({ drain: createMyServiceDrain() })\n","src\u002Fapp.module.ts",[651,2986,2987],{"__ignoreMap":834},[838,2988,2989,2992,2994,2997,2999,3001,3003,3005,3007,3009,3011],{"class":840,"line":841},[838,2990,2991],{"class":855},"EvlogModule",[838,2993,1250],{"class":848},[838,2995,2996],{"class":1110},"forRoot",[838,2998,1114],{"class":855},[838,3000,2488],{"class":848},[838,3002,2189],{"class":922},[838,3004,926],{"class":848},[838,3006,1111],{"class":1110},[838,3008,2497],{"class":855},[838,3010,884],{"class":848},[838,3012,1232],{"class":855},[828,3014,3017],{"className":830,"code":3015,"filename":309,"language":833,"meta":3016,"style":834},"import { withEvlog } from 'evlog\u002Forpc'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\nconst handler = withEvlog(new RPCHandler(router), { drain: createMyServiceDrain() })\n","server\u002Forpc.ts",[651,3018,3019,3038,3056,3060],{"__ignoreMap":834},[838,3020,3021,3023,3025,3027,3029,3031,3033,3036],{"class":840,"line":841},[838,3022,845],{"class":844},[838,3024,1536],{"class":848},[838,3026,2352],{"class":855},[838,3028,1541],{"class":848},[838,3030,887],{"class":844},[838,3032,890],{"class":848},[838,3034,3035],{"class":893},"evlog\u002Forpc",[838,3037,896],{"class":848},[838,3039,3040,3042,3044,3046,3048,3050,3052,3054],{"class":840,"line":852},[838,3041,845],{"class":844},[838,3043,1536],{"class":848},[838,3045,1111],{"class":855},[838,3047,1541],{"class":848},[838,3049,887],{"class":844},[838,3051,890],{"class":848},[838,3053,2334],{"class":893},[838,3055,896],{"class":848},[838,3057,3058],{"class":840,"line":862},[838,3059,903],{"emptyLinePlaceholder":902},[838,3061,3062,3064,3067,3069,3071,3073,3076,3079,3082,3084,3086,3088,3090,3092,3094,3096],{"class":840,"line":870},[838,3063,968],{"class":909},[838,3065,3066],{"class":855}," handler ",[838,3068,990],{"class":848},[838,3070,2352],{"class":1110},[838,3072,1114],{"class":855},[838,3074,3075],{"class":848},"new",[838,3077,3078],{"class":1110}," RPCHandler",[838,3080,3081],{"class":855},"(router)",[838,3083,1014],{"class":848},[838,3085,1536],{"class":848},[838,3087,2189],{"class":922},[838,3089,926],{"class":848},[838,3091,1111],{"class":1110},[838,3093,2497],{"class":855},[838,3095,884],{"class":848},[838,3097,1232],{"class":855},[828,3099,3102],{"className":830,"code":3100,"filename":295,"language":833,"meta":3101,"style":834},"import { withEvlog } from 'evlog\u002Fworkers'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\nexport default withEvlog(handler, { drain: createMyServiceDrain() })\n","src\u002Fworker.ts",[651,3103,3104,3123,3141,3145],{"__ignoreMap":834},[838,3105,3106,3108,3110,3112,3114,3116,3118,3121],{"class":840,"line":841},[838,3107,845],{"class":844},[838,3109,1536],{"class":848},[838,3111,2352],{"class":855},[838,3113,1541],{"class":848},[838,3115,887],{"class":844},[838,3117,890],{"class":848},[838,3119,3120],{"class":893},"evlog\u002Fworkers",[838,3122,896],{"class":848},[838,3124,3125,3127,3129,3131,3133,3135,3137,3139],{"class":840,"line":852},[838,3126,845],{"class":844},[838,3128,1536],{"class":848},[838,3130,1111],{"class":855},[838,3132,1541],{"class":848},[838,3134,887],{"class":844},[838,3136,890],{"class":848},[838,3138,2334],{"class":893},[838,3140,896],{"class":848},[838,3142,3143],{"class":840,"line":862},[838,3144,903],{"emptyLinePlaceholder":902},[838,3146,3147,3149,3151,3153,3156,3158,3160,3162,3164,3166,3168,3170],{"class":840,"line":870},[838,3148,1104],{"class":844},[838,3150,2144],{"class":844},[838,3152,2352],{"class":1110},[838,3154,3155],{"class":855},"(handler",[838,3157,1014],{"class":848},[838,3159,1536],{"class":848},[838,3161,2189],{"class":922},[838,3163,926],{"class":848},[838,3165,1111],{"class":1110},[838,3167,2497],{"class":855},[838,3169,884],{"class":848},[838,3171,1232],{"class":855},[828,3173,3175],{"className":830,"code":3174,"filename":300,"language":833,"meta":834,"style":834},"import { initLogger } from 'evlog'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\ninitLogger({ drain: createMyServiceDrain() })\n",[651,3176,3177,3196,3214,3218],{"__ignoreMap":834},[838,3178,3179,3181,3183,3186,3188,3190,3192,3194],{"class":840,"line":841},[838,3180,845],{"class":844},[838,3182,1536],{"class":848},[838,3184,3185],{"class":855}," initLogger",[838,3187,1541],{"class":848},[838,3189,887],{"class":844},[838,3191,890],{"class":848},[838,3193,2778],{"class":893},[838,3195,896],{"class":848},[838,3197,3198,3200,3202,3204,3206,3208,3210,3212],{"class":840,"line":852},[838,3199,845],{"class":844},[838,3201,1536],{"class":848},[838,3203,1111],{"class":855},[838,3205,1541],{"class":848},[838,3207,887],{"class":844},[838,3209,890],{"class":848},[838,3211,2334],{"class":893},[838,3213,896],{"class":848},[838,3215,3216],{"class":840,"line":862},[838,3217,903],{"emptyLinePlaceholder":902},[838,3219,3220,3223,3225,3227,3229,3231,3233,3235,3237],{"class":840,"line":870},[838,3221,3222],{"class":1110},"initLogger",[838,3224,1114],{"class":855},[838,3226,2488],{"class":848},[838,3228,2189],{"class":922},[838,3230,926],{"class":848},[838,3232,1111],{"class":1110},[838,3234,2497],{"class":855},[838,3236,884],{"class":848},[838,3238,1232],{"class":855},[609,3240,3241,3242,3246],{},"For production, wrap it once in ",[618,3243,3244],{"href":535},[651,3245,789],{}," so events are batched and retried.",[805,3248,3250],{"id":3249},"filter-or-transform-before-sending","Filter or transform before sending",[609,3252,3253,3255,3256,3259,3260,3262],{},[651,3254,822],{}," receives the full batch of ",[651,3257,3258],{},"WideEvent[]"," plus the resolved config. Filter or transform inline, and returning ",[651,3261,767],{}," is a clean opt-out for that batch:",[828,3264,3266],{"className":830,"code":3265,"language":833,"meta":834,"style":834},"encode: (events, cfg) => {\n  const filtered = events.filter(e => e.level === 'error' && e.path !== '\u002Fhealth')\n  if (filtered.length === 0) return null\n\n  const payload = filtered.map(e => ({\n    ts: new Date(e.timestamp).getTime(),\n    severity: e.level.toUpperCase(),\n    attributes: { method: e.method, path: e.path, status: e.status, durationMs: e.durationMs },\n  }))\n\n  return {\n    url: `${cfg.endpoint}\u002Fv1\u002Fpush`,\n    headers: { 'Content-Type': 'application\u002Fjson' },\n    body: JSON.stringify(payload),\n  }\n}\n",[651,3267,3268,3289,3349,3376,3380,3405,3437,3459,3523,3529,3533,3539,3563,3588,3610,3615],{"__ignoreMap":834},[838,3269,3270,3273,3275,3277,3279,3281,3283,3285,3287],{"class":840,"line":841},[838,3271,3272],{"class":913},"encode",[838,3274,926],{"class":848},[838,3276,1241],{"class":848},[838,3278,1327],{"class":1117},[838,3280,1014],{"class":848},[838,3282,1197],{"class":1117},[838,3284,1334],{"class":848},[838,3286,1186],{"class":909},[838,3288,849],{"class":848},[838,3290,3291,3294,3297,3299,3301,3303,3306,3308,3310,3312,3314,3316,3318,3321,3323,3325,3327,3330,3332,3334,3337,3340,3342,3345,3347],{"class":840,"line":852},[838,3292,3293],{"class":909},"  const",[838,3295,3296],{"class":855}," filtered",[838,3298,1200],{"class":848},[838,3300,1846],{"class":855},[838,3302,1250],{"class":848},[838,3304,3305],{"class":1110},"filter",[838,3307,1114],{"class":922},[838,3309,1855],{"class":1117},[838,3311,1186],{"class":909},[838,3313,1878],{"class":855},[838,3315,1250],{"class":848},[838,3317,1897],{"class":855},[838,3319,3320],{"class":848}," ===",[838,3322,890],{"class":848},[838,3324,1268],{"class":893},[838,3326,1011],{"class":848},[838,3328,3329],{"class":848}," &&",[838,3331,1878],{"class":855},[838,3333,1250],{"class":848},[838,3335,3336],{"class":855},"path",[838,3338,3339],{"class":848}," !==",[838,3341,890],{"class":848},[838,3343,3344],{"class":893},"\u002Fhealth",[838,3346,1011],{"class":848},[838,3348,1232],{"class":922},[838,3350,3351,3354,3356,3359,3361,3364,3366,3369,3371,3374],{"class":840,"line":862},[838,3352,3353],{"class":844},"  if",[838,3355,1241],{"class":922},[838,3357,3358],{"class":855},"filtered",[838,3360,1250],{"class":848},[838,3362,3363],{"class":855},"length",[838,3365,3320],{"class":848},[838,3367,3368],{"class":1939}," 0",[838,3370,1255],{"class":922},[838,3372,3373],{"class":844},"return",[838,3375,1288],{"class":848},[838,3377,3378],{"class":840,"line":870},[838,3379,903],{"emptyLinePlaceholder":902},[838,3381,3382,3384,3387,3389,3391,3393,3395,3397,3399,3401,3403],{"class":840,"line":881},[838,3383,3293],{"class":909},[838,3385,3386],{"class":855}," payload",[838,3388,1200],{"class":848},[838,3390,3296],{"class":855},[838,3392,1250],{"class":848},[838,3394,99],{"class":1110},[838,3396,1114],{"class":922},[838,3398,1855],{"class":1117},[838,3400,1186],{"class":909},[838,3402,1241],{"class":922},[838,3404,1152],{"class":848},[838,3406,3407,3410,3412,3415,3418,3420,3422,3424,3426,3428,3430,3433,3435],{"class":840,"line":899},[838,3408,3409],{"class":922},"    ts",[838,3411,926],{"class":848},[838,3413,3414],{"class":848}," new",[838,3416,3417],{"class":1110}," Date",[838,3419,1114],{"class":922},[838,3421,1855],{"class":855},[838,3423,1250],{"class":848},[838,3425,1931],{"class":855},[838,3427,1334],{"class":922},[838,3429,1250],{"class":848},[838,3431,3432],{"class":1110},"getTime",[838,3434,2405],{"class":922},[838,3436,859],{"class":848},[838,3438,3439,3442,3444,3446,3448,3450,3452,3455,3457],{"class":840,"line":906},[838,3440,3441],{"class":922},"    severity",[838,3443,926],{"class":848},[838,3445,1878],{"class":855},[838,3447,1250],{"class":848},[838,3449,1897],{"class":855},[838,3451,1250],{"class":848},[838,3453,3454],{"class":1110},"toUpperCase",[838,3456,2405],{"class":922},[838,3458,859],{"class":848},[838,3460,3461,3464,3466,3468,3471,3473,3475,3477,3480,3482,3485,3487,3489,3491,3493,3495,3498,3500,3502,3504,3507,3509,3512,3514,3516,3518,3521],{"class":840,"line":919},[838,3462,3463],{"class":922},"    attributes",[838,3465,926],{"class":848},[838,3467,1536],{"class":848},[838,3469,3470],{"class":922}," method",[838,3472,926],{"class":848},[838,3474,1878],{"class":855},[838,3476,1250],{"class":848},[838,3478,3479],{"class":855},"method",[838,3481,1014],{"class":848},[838,3483,3484],{"class":922}," path",[838,3486,926],{"class":848},[838,3488,1878],{"class":855},[838,3490,1250],{"class":848},[838,3492,3336],{"class":855},[838,3494,1014],{"class":848},[838,3496,3497],{"class":922}," status",[838,3499,926],{"class":848},[838,3501,1878],{"class":855},[838,3503,1250],{"class":848},[838,3505,3506],{"class":855},"status",[838,3508,1014],{"class":848},[838,3510,3511],{"class":922}," durationMs",[838,3513,926],{"class":848},[838,3515,1878],{"class":855},[838,3517,1250],{"class":848},[838,3519,3520],{"class":855},"durationMs",[838,3522,1087],{"class":848},[838,3524,3525,3527],{"class":840,"line":932},[838,3526,1483],{"class":848},[838,3528,2795],{"class":922},[838,3530,3531],{"class":840,"line":943},[838,3532,903],{"emptyLinePlaceholder":902},[838,3534,3535,3537],{"class":840,"line":954},[838,3536,1138],{"class":844},[838,3538,849],{"class":848},[838,3540,3541,3544,3546,3548,3550,3552,3554,3556,3559,3561],{"class":840,"line":960},[838,3542,3543],{"class":922},"    url",[838,3545,926],{"class":848},[838,3547,1351],{"class":848},[838,3549,1247],{"class":855},[838,3551,1250],{"class":848},[838,3553,745],{"class":855},[838,3555,884],{"class":848},[838,3557,3558],{"class":893},"\u002Fv1\u002Fpush",[838,3560,1375],{"class":848},[838,3562,859],{"class":848},[838,3564,3565,3568,3570,3572,3574,3576,3578,3580,3582,3584,3586],{"class":840,"line":965},[838,3566,3567],{"class":922},"    headers",[838,3569,926],{"class":848},[838,3571,1536],{"class":848},[838,3573,890],{"class":848},[838,3575,1396],{"class":922},[838,3577,1011],{"class":848},[838,3579,926],{"class":848},[838,3581,890],{"class":848},[838,3583,1405],{"class":893},[838,3585,1011],{"class":848},[838,3587,1087],{"class":848},[838,3589,3590,3593,3595,3597,3599,3601,3603,3606,3608],{"class":840,"line":996},[838,3591,3592],{"class":922},"    body",[838,3594,926],{"class":848},[838,3596,1454],{"class":855},[838,3598,1250],{"class":848},[838,3600,1459],{"class":1110},[838,3602,1114],{"class":922},[838,3604,3605],{"class":855},"payload",[838,3607,1334],{"class":922},[838,3609,859],{"class":848},[838,3611,3612],{"class":840,"line":1038},[838,3613,3614],{"class":848},"  }\n",[838,3616,3617],{"class":840,"line":1072},[838,3618,957],{"class":848},[805,3620,3622,3624],{"id":3621},"definedrain-non-http-transports",[651,3623,675],{}," (non-HTTP transports)",[609,3626,3627,3628,3630],{},"If your destination requires gRPC, a vendor SDK, a queue client, a WebSocket, or a raw socket, drop one level lower with ",[651,3629,675],{},". You own the transport; the toolkit still gives you config resolution, error isolation, and a consistent shape.",[828,3632,3634],{"className":830,"code":3633,"language":833,"meta":834,"style":834},"import { defineDrain } from 'evlog\u002Ftoolkit'\n\nexport const createCustomTransportDrain = () =>\n  defineDrain\u003C{ apiKey: string }>({\n    name: 'custom',\n    resolve: async () => ({ apiKey: process.env.MY_KEY! }),\n    send: async (events, cfg) => {\n      await myVendorSdk.publish(events, { token: cfg.apiKey })\n    },\n  })\n",[651,3635,3636,3655,3659,3675,3695,3710,3749,3772,3807,3811],{"__ignoreMap":834},[838,3637,3638,3640,3642,3645,3647,3649,3651,3653],{"class":840,"line":841},[838,3639,845],{"class":844},[838,3641,1536],{"class":848},[838,3643,3644],{"class":855}," defineDrain",[838,3646,1541],{"class":848},[838,3648,887],{"class":844},[838,3650,890],{"class":848},[838,3652,681],{"class":893},[838,3654,896],{"class":848},[838,3656,3657],{"class":840,"line":852},[838,3658,903],{"emptyLinePlaceholder":902},[838,3660,3661,3663,3665,3668,3670,3672],{"class":840,"line":862},[838,3662,1104],{"class":844},[838,3664,2347],{"class":909},[838,3666,3667],{"class":855}," createCustomTransportDrain ",[838,3669,990],{"class":848},[838,3671,1183],{"class":848},[838,3673,3674],{"class":909}," =>\n",[838,3676,3677,3680,3682,3685,3687,3689,3691,3693],{"class":840,"line":870},[838,3678,3679],{"class":1110},"  defineDrain",[838,3681,1601],{"class":848},[838,3683,3684],{"class":922}," apiKey",[838,3686,926],{"class":848},[838,3688,1578],{"class":913},[838,3690,1618],{"class":848},[838,3692,1114],{"class":855},[838,3694,1152],{"class":848},[838,3696,3697,3699,3701,3703,3706,3708],{"class":840,"line":881},[838,3698,1158],{"class":922},[838,3700,926],{"class":848},[838,3702,890],{"class":848},[838,3704,3705],{"class":893},"custom",[838,3707,1011],{"class":848},[838,3709,859],{"class":848},[838,3711,3712,3714,3716,3718,3720,3722,3724,3726,3728,3730,3732,3734,3736,3738,3741,3743,3745,3747],{"class":840,"line":899},[838,3713,1175],{"class":1110},[838,3715,926],{"class":848},[838,3717,1180],{"class":909},[838,3719,1183],{"class":848},[838,3721,1186],{"class":909},[838,3723,1241],{"class":855},[838,3725,2488],{"class":848},[838,3727,3684],{"class":922},[838,3729,926],{"class":848},[838,3731,1671],{"class":855},[838,3733,1250],{"class":848},[838,3735,1676],{"class":855},[838,3737,1250],{"class":848},[838,3739,3740],{"class":855},"MY_KEY",[838,3742,1244],{"class":848},[838,3744,1541],{"class":848},[838,3746,1334],{"class":855},[838,3748,859],{"class":848},[838,3750,3751,3754,3756,3758,3760,3762,3764,3766,3768,3770],{"class":840,"line":906},[838,3752,3753],{"class":1110},"    send",[838,3755,926],{"class":848},[838,3757,1180],{"class":909},[838,3759,1241],{"class":848},[838,3761,1327],{"class":1117},[838,3763,1014],{"class":848},[838,3765,1197],{"class":1117},[838,3767,1334],{"class":848},[838,3769,1186],{"class":909},[838,3771,849],{"class":848},[838,3773,3774,3777,3780,3782,3785,3787,3789,3791,3793,3795,3797,3799,3801,3803,3805],{"class":840,"line":919},[838,3775,3776],{"class":844},"      await",[838,3778,3779],{"class":855}," myVendorSdk",[838,3781,1250],{"class":848},[838,3783,3784],{"class":1110},"publish",[838,3786,1114],{"class":922},[838,3788,1327],{"class":855},[838,3790,1014],{"class":848},[838,3792,1536],{"class":848},[838,3794,1583],{"class":922},[838,3796,926],{"class":848},[838,3798,1197],{"class":855},[838,3800,1250],{"class":848},[838,3802,741],{"class":855},[838,3804,1541],{"class":848},[838,3806,1232],{"class":922},[838,3808,3809],{"class":840,"line":932},[838,3810,1314],{"class":848},[838,3812,3813,3815],{"class":840,"line":943},[838,3814,1483],{"class":848},[838,3816,1232],{"class":855},[609,3818,3819,3820,3823,3824,3826,3827,3829,3830,3833,3834,3837,3838,3840],{},"Let ",[651,3821,3822],{},"send"," throw on failure. ",[651,3825,675],{}," handles the isolation: a direct call swallows the error and logs it with your drain's name, while the ",[651,3828,1512],{}," variant on the returned function rejects, which is how ",[618,3831,3832],{"href":535},"the pipeline","'s retry and ",[651,3835,3836],{},"onDropped"," observe failures. A ",[651,3839,3822],{}," that swallows its own errors makes your drain unretryable.",[805,3842,3844],{"id":3843},"what-a-draincontext-carries","What a DrainContext carries",[609,3846,3847,3848,3850,3851,3854],{},"When evlog calls your drain through ",[651,3849,2182],{},", it passes a ",[651,3852,3853],{},"DrainContext"," per event:",[828,3856,3859],{"className":830,"code":3857,"filename":3858,"language":833,"meta":834,"style":834},"interface DrainContext {\n  \u002F** The complete wide event with all accumulated context *\u002F\n  event: WideEvent\n\n  \u002F** Request metadata *\u002F\n  request?: {\n    method: string\n    path: string\n    requestId: string\n  }\n\n  \u002F** Safe HTTP headers (sensitive headers filtered) *\u002F\n  headers?: Record\u003Cstring, string>\n}\n\ninterface WideEvent {\n  timestamp: string\n  level: 'debug' | 'info' | 'warn' | 'error'\n  service: string\n  environment?: string\n  version?: string\n  region?: string\n  commitHash?: string\n  requestId?: string\n  \u002F\u002F ... plus all fields added via log.set()\n  [key: string]: unknown\n}\n","types.ts",[651,3860,3861,3870,3876,3886,3890,3895,3904,3913,3922,3931,3935,3939,3944,3966,3970,3974,3983,3992,4033,4041,4050,4059,4068,4077,4086,4091,4111],{"__ignoreMap":834},[838,3862,3863,3865,3868],{"class":840,"line":841},[838,3864,910],{"class":909},[838,3866,3867],{"class":913}," DrainContext",[838,3869,849],{"class":848},[838,3871,3872],{"class":840,"line":852},[838,3873,3875],{"class":3874},"sHwdD","  \u002F** The complete wide event with all accumulated context *\u002F\n",[838,3877,3878,3881,3883],{"class":840,"line":862},[838,3879,3880],{"class":922},"  event",[838,3882,926],{"class":848},[838,3884,3885],{"class":913}," WideEvent\n",[838,3887,3888],{"class":840,"line":870},[838,3889,903],{"emptyLinePlaceholder":902},[838,3891,3892],{"class":840,"line":881},[838,3893,3894],{"class":3874},"  \u002F** Request metadata *\u002F\n",[838,3896,3897,3900,3902],{"class":840,"line":899},[838,3898,3899],{"class":922},"  request",[838,3901,938],{"class":848},[838,3903,849],{"class":848},[838,3905,3906,3909,3911],{"class":840,"line":906},[838,3907,3908],{"class":922},"    method",[838,3910,926],{"class":848},[838,3912,929],{"class":913},[838,3914,3915,3918,3920],{"class":840,"line":919},[838,3916,3917],{"class":922},"    path",[838,3919,926],{"class":848},[838,3921,929],{"class":913},[838,3923,3924,3927,3929],{"class":840,"line":932},[838,3925,3926],{"class":922},"    requestId",[838,3928,926],{"class":848},[838,3930,929],{"class":913},[838,3932,3933],{"class":840,"line":943},[838,3934,3614],{"class":848},[838,3936,3937],{"class":840,"line":954},[838,3938,903],{"emptyLinePlaceholder":902},[838,3940,3941],{"class":840,"line":960},[838,3942,3943],{"class":3874},"  \u002F** Safe HTTP headers (sensitive headers filtered) *\u002F\n",[838,3945,3946,3949,3951,3954,3956,3959,3961,3963],{"class":840,"line":965},[838,3947,3948],{"class":922},"  headers",[838,3950,938],{"class":848},[838,3952,3953],{"class":913}," Record",[838,3955,978],{"class":848},[838,3957,3958],{"class":913},"string",[838,3960,1014],{"class":848},[838,3962,1578],{"class":913},[838,3964,3965],{"class":848},">\n",[838,3967,3968],{"class":840,"line":996},[838,3969,957],{"class":848},[838,3971,3972],{"class":840,"line":1038},[838,3973,903],{"emptyLinePlaceholder":902},[838,3975,3976,3978,3981],{"class":840,"line":1072},[838,3977,910],{"class":909},[838,3979,3980],{"class":913}," WideEvent",[838,3982,849],{"class":848},[838,3984,3985,3988,3990],{"class":840,"line":1090},[838,3986,3987],{"class":922},"  timestamp",[838,3989,926],{"class":848},[838,3991,929],{"class":913},[838,3993,3994,3997,3999,4001,4004,4006,4009,4011,4014,4016,4018,4020,4023,4025,4027,4029,4031],{"class":840,"line":1096},[838,3995,3996],{"class":922},"  level",[838,3998,926],{"class":848},[838,4000,890],{"class":848},[838,4002,4003],{"class":893},"debug",[838,4005,1011],{"class":848},[838,4007,4008],{"class":848}," |",[838,4010,890],{"class":848},[838,4012,4013],{"class":893},"info",[838,4015,1011],{"class":848},[838,4017,4008],{"class":848},[838,4019,890],{"class":848},[838,4021,4022],{"class":893},"warn",[838,4024,1011],{"class":848},[838,4026,4008],{"class":848},[838,4028,890],{"class":848},[838,4030,1268],{"class":893},[838,4032,896],{"class":848},[838,4034,4035,4037,4039],{"class":840,"line":1101},[838,4036,2382],{"class":922},[838,4038,926],{"class":848},[838,4040,929],{"class":913},[838,4042,4043,4046,4048],{"class":840,"line":1135},[838,4044,4045],{"class":922},"  environment",[838,4047,938],{"class":848},[838,4049,929],{"class":913},[838,4051,4052,4055,4057],{"class":840,"line":1155},[838,4053,4054],{"class":922},"  version",[838,4056,938],{"class":848},[838,4058,929],{"class":913},[838,4060,4061,4064,4066],{"class":840,"line":1172},[838,4062,4063],{"class":922},"  region",[838,4065,938],{"class":848},[838,4067,929],{"class":913},[838,4069,4070,4073,4075],{"class":840,"line":1191},[838,4071,4072],{"class":922},"  commitHash",[838,4074,938],{"class":848},[838,4076,929],{"class":913},[838,4078,4079,4082,4084],{"class":840,"line":1235},[838,4080,4081],{"class":922},"  requestId",[838,4083,938],{"class":848},[838,4085,929],{"class":913},[838,4087,4088],{"class":840,"line":1260},[838,4089,4090],{"class":3874},"  \u002F\u002F ... plus all fields added via log.set()\n",[838,4092,4093,4096,4099,4101,4103,4106,4108],{"class":840,"line":1282},[838,4094,4095],{"class":855},"  [",[838,4097,4098],{"class":1117},"key",[838,4100,926],{"class":848},[838,4102,1578],{"class":913},[838,4104,4105],{"class":855},"]",[838,4107,926],{"class":848},[838,4109,4110],{"class":913}," unknown\n",[838,4112,4113],{"class":840,"line":1291},[838,4114,957],{"class":848},[609,4116,4117,4118,4120,4121,4124,4125,4127,4128,4131],{},"In the batched form your ",[651,4119,822],{}," \u002F ",[651,4122,4123],{},"send()"," receives, you get ",[651,4126,3258],{}," directly (the toolkit unwraps ",[651,4129,4130],{},"event"," from each context).",[805,4133,4135],{"id":4134},"reach-for-a-toolkit-helper","Reach for a toolkit helper",[609,4137,4138,4140],{},[651,4139,681],{}," exposes the same helpers every built-in adapter uses. The ones relevant to drains:",[626,4142,4143,4153],{},[629,4144,4145],{},[632,4146,4147,4150],{},[635,4148,4149],{},"Export",[635,4151,4152],{},"Purpose",[642,4154,4155,4165,4175,4187,4197,4210,4220,4234],{},[632,4156,4157,4162],{},[647,4158,4159],{},[651,4160,4161],{},"defineHttpDrain(spec)",[647,4163,4164],{},"The HTTP recipe — auto retries, timeouts, identity headers, error isolation",[632,4166,4167,4172],{},[647,4168,4169],{},[651,4170,4171],{},"defineDrain(spec)",[647,4173,4174],{},"Same contract for non-HTTP transports",[632,4176,4177,4182],{},[647,4178,4179],{},[651,4180,4181],{},"resolveAdapterConfig(ns, fields, overrides)",[647,4183,4184,4185,735],{},"Standard config priority chain (overrides → ",[651,4186,734],{},[632,4188,4189,4194],{},[647,4190,4191],{},[651,4192,4193],{},"httpPost(opts)",[647,4195,4196],{},"The retried POST helper used by every built-in HTTP adapter — handles timeout, retries, redacted error messages",[632,4198,4199,4204],{},[647,4200,4201],{},[651,4202,4203],{},"composeDrains(drains)",[647,4205,4206,4207,1334],{},"Combine multiple drains into one (errors isolated, runs concurrently with ",[651,4208,4209],{},"Promise.allSettled",[632,4211,4212,4217],{},[647,4213,4214],{},[651,4215,4216],{},"toTypedAttributeValue(value)",[647,4218,4219],{},"Convert any value to the typed attribute shape used by Axiom \u002F Sentry",[632,4221,4222,4227],{},[647,4223,4224],{},[651,4225,4226],{},"toOtlpAttributeValue(value)",[647,4228,4229,4230,4233],{},"Convert any value to the OTLP ",[651,4231,4232],{},"AnyValue"," shape (used by OTLP \u002F HyperDX \u002F PostHog logs)",[632,4235,4236,4244],{},[647,4237,4238,750,4241],{},[651,4239,4240],{},"OTEL_SEVERITY_NUMBER",[651,4242,4243],{},"OTEL_SEVERITY_TEXT",[647,4245,4246],{},"OTEL log severity tables",[805,4248,4250],{"id":4249},"identify-your-traffic-to-the-receiver","Identify your traffic to the receiver",[609,4252,4253,4255],{},[651,4254,662],{}," automatically tags every request with two headers so receivers can identify the traffic:",[626,4257,4258,4268],{},[629,4259,4260],{},[632,4261,4262,4265],{},[635,4263,4264],{},"Header",[635,4266,4267],{},"Value",[642,4269,4270,4283],{},[632,4271,4272,4277],{},[647,4273,4274],{},[651,4275,4276],{},"User-Agent",[647,4278,4279,4282],{},[651,4280,4281],{},"evlog\u002F\u003Cversion>"," (Node \u002F server runtimes only — browsers strip this header)",[632,4284,4285,4290],{},[647,4286,4287],{},[651,4288,4289],{},"X-Evlog-Source",[647,4291,4292,4293,4296],{},"The drain ",[651,4294,4295],{},"name"," you provided",[609,4298,4299,4300,4303,4304,1250],{},"If you build a drain on top of ",[651,4301,4302],{},"httpPost"," directly, you can override or suppress them. See ",[618,4305,524],{"href":525},[805,4307,4309],{"id":4308},"errors-are-already-handled-for-you","Errors are already handled for you",[609,4311,4312,4314],{},[651,4313,662],{}," enforces every best practice automatically:",[2007,4316,4317,4327,4337,4345],{},[696,4318,4319,4322,4323,4326],{},[613,4320,4321],{},"Never throws",": failures are caught and logged with the ",[651,4324,4325],{},"[evlog\u002F\u003Cname>]"," prefix.",[696,4328,4329,4332,4333,4336],{},[613,4330,4331],{},"Retries",": defaults to 2 attempts on transient errors (configurable via ",[651,4334,4335],{},"retries",").",[696,4338,4339,4342,4343,4336],{},[613,4340,4341],{},"Timeouts",": defaults to 5000ms (configurable via ",[651,4344,753],{},[696,4346,4347,4350,4351,4353,4354,4356],{},[613,4348,4349],{},"Graceful degradation",": ",[651,4352,726],{}," returning ",[651,4355,767],{}," makes the drain a no-op.",[609,4358,4359,4360,4362],{},"If you fall back to ",[651,4361,675],{},", follow the same rules manually.",[805,4364,4366],{"id":4365},"publish-it-as-a-community-package","Publish it as a community package",[609,4368,4369],{},"Recommended structure for a community drain:",[828,4371,4376],{"className":4372,"code":4374,"language":4375,"meta":834},[4373],"language-text","my-evlog-drain\u002F\n├─ src\u002F\n│  ├─ drain.ts        # createMyDrain via defineHttpDrain\n│  └─ index.ts        # re-exports\n├─ test\u002F              # vitest, mock fetch\n├─ package.json       # peerDependency: \"evlog\"\n└─ README.md\n","text",[651,4377,4374],{"__ignoreMap":834},[609,4379,4380,4381,4383,4384,4387,4388,4391],{},"Add ",[651,4382,2778],{}," as a ",[651,4385,4386],{},"peerDependency"," (not a ",[651,4389,4390],{},"dependency","), so your package will not pull in a copy of evlog at install time.",[4393,4394,4397,4398,4403],"callout",{"color":4395,"icon":4396},"neutral","i-lucide-heart","Built something great? ",[618,4399,4402],{"href":4400,"rel":4401},"https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Fpulls",[798],"Open a PR"," to add a row to the Adapters table. The community will thank you.",[805,4405,4407],{"id":4406},"next-steps","Next steps",[693,4409,4410,4416,4424,4430,4436],{},[696,4411,4412,4415],{},[618,4413,4414],{"href":535},"Drain Pipeline",": wrap your drain in batch + retry + fanout for production",[696,4417,4418,4421,4422],{},[618,4419,4420],{"href":153},"Adapters Overview",": see how the built-in adapters use ",[651,4423,662],{},[696,4425,4426,4429],{},[618,4427,4428],{"href":517},"Custom Enrichers",": same toolkit shape for derived event fields",[696,4431,4432,4435],{},[618,4433,4434],{"href":495},"Custom Framework Integration",": same toolkit shape for HTTP frameworks",[696,4437,4438,4440],{},[618,4439,560],{"href":561},": security and production tips",[4442,4443,4444],"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 .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 .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}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 .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 .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}",{"title":834,"searchDepth":852,"depth":852,"links":4446},[4447,4451,4452,4453,4454,4456,4457,4458,4459,4460,4461],{"id":807,"depth":852,"text":4448,"children":4449},"defineHttpDrain (the HTTP recipe)",[4450],{"id":1517,"depth":862,"text":1518},{"id":1999,"depth":852,"text":2000},{"id":2079,"depth":852,"text":2080},{"id":3249,"depth":852,"text":3250},{"id":3621,"depth":852,"text":4455},"defineDrain (non-HTTP transports)",{"id":3843,"depth":852,"text":3844},{"id":4134,"depth":852,"text":4135},{"id":4249,"depth":852,"text":4250},{"id":4308,"depth":852,"text":4309},{"id":4365,"depth":852,"text":4366},{"id":4406,"depth":852,"text":4407},"Build a drain for any backend without a built-in adapter. Config resolution, retries, timeouts, and identity headers are handled for you.","md",[4465,4467,4469],{"label":4414,"icon":537,"to":535,"color":4395,"variant":4466},"subtle",{"label":4420,"icon":4468,"to":153,"color":4395,"variant":4466},"i-custom-plug",{"label":560,"icon":388,"to":561,"color":4395,"variant":4466},{},{"title":529,"icon":532},{"title":604,"description":4462},"koNCTjxI5Edq3EV-1YiStipZdDQ0lR_CC4Ei1L226qY",[4475,4477],{"title":524,"path":525,"stem":526,"description":4476,"icon":527,"children":-1},"Every drain request carries User-Agent and X-Evlog-Source so receivers can triage the traffic. Override or suppress them when you need to.",{"title":534,"path":535,"stem":536,"description":4478,"icon":537,"children":-1},"The pipeline wraps every drain: it batches events, retries on failure, fans out to several destinations, and ships browser logs.",1791054017586]