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Drains",{"type":606,"value":607,"toc":4463},"minimark",[608,622,625,676,683,804,811,824,1491,1514,1519,1522,1997,2001,2006,2047,2077,2081,2088,3257,3265,3269,3281,3637,3643,3649,3835,3859,3863,3873,4133,4150,4154,4159,4265,4269,4274,4315,4324,4328,4333,4375,4381,4385,4388,4396,4410,4422,4426,4459],[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:",[2089,2090,2091,2198,2313,2435,2523,2635,2735,2814,2888,2925,2999,3031,3116,3190],"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},[828,2199,2201],{"className":830,"code":2200,"filename":255,"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",[651,2202,2203,2223,2241,2245,2257,2261,2281,2307],{"__ignoreMap":834},[838,2204,2205,2207,2209,2212,2214,2216,2218,2221],{"class":840,"line":841},[838,2206,845],{"class":844},[838,2208,1536],{"class":848},[838,2210,2211],{"class":855}," definePlugin",[838,2213,1541],{"class":848},[838,2215,887],{"class":844},[838,2217,890],{"class":848},[838,2219,2220],{"class":893},"nitro",[838,2222,896],{"class":848},[838,2224,2225,2227,2229,2231,2233,2235,2237,2239],{"class":840,"line":852},[838,2226,845],{"class":844},[838,2228,1536],{"class":848},[838,2230,1111],{"class":855},[838,2232,1541],{"class":848},[838,2234,887],{"class":844},[838,2236,890],{"class":848},[838,2238,2113],{"class":893},[838,2240,896],{"class":848},[838,2242,2243],{"class":840,"line":862},[838,2244,903],{"emptyLinePlaceholder":902},[838,2246,2247,2249,2251,2253,2255],{"class":840,"line":870},[838,2248,968],{"class":909},[838,2250,2126],{"class":855},[838,2252,990],{"class":848},[838,2254,1111],{"class":1110},[838,2256,2133],{"class":855},[838,2258,2259],{"class":840,"line":881},[838,2260,903],{"emptyLinePlaceholder":902},[838,2262,2263,2265,2267,2269,2271,2273,2275,2277,2279],{"class":840,"line":899},[838,2264,1104],{"class":844},[838,2266,2144],{"class":844},[838,2268,2211],{"class":1110},[838,2270,1114],{"class":855},[838,2272,1114],{"class":848},[838,2274,2154],{"class":1117},[838,2276,1334],{"class":848},[838,2278,1186],{"class":909},[838,2280,849],{"class":848},[838,2282,2283,2285,2287,2289,2291,2293,2295,2297,2299,2301,2303,2305],{"class":840,"line":906},[838,2284,2165],{"class":855},[838,2286,1250],{"class":848},[838,2288,2170],{"class":855},[838,2290,1250],{"class":848},[838,2292,2175],{"class":1110},[838,2294,1114],{"class":922},[838,2296,1011],{"class":848},[838,2298,2182],{"class":893},[838,2300,1011],{"class":848},[838,2302,1014],{"class":848},[838,2304,2189],{"class":855},[838,2306,1232],{"class":922},[838,2308,2309,2311],{"class":840,"line":919},[838,2310,884],{"class":848},[838,2312,1232],{"class":855},[828,2314,2317],{"className":830,"code":2315,"filename":245,"language":833,"meta":2316,"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",[651,2318,2319,2339,2358,2362,2399,2415,2429],{"__ignoreMap":834},[838,2320,2321,2323,2325,2328,2330,2332,2334,2337],{"class":840,"line":841},[838,2322,845],{"class":844},[838,2324,1536],{"class":848},[838,2326,2327],{"class":855}," createEvlog",[838,2329,1541],{"class":848},[838,2331,887],{"class":844},[838,2333,890],{"class":848},[838,2335,2336],{"class":893},"evlog\u002Fnext",[838,2338,896],{"class":848},[838,2340,2341,2343,2345,2347,2349,2351,2353,2356],{"class":840,"line":852},[838,2342,845],{"class":844},[838,2344,1536],{"class":848},[838,2346,1111],{"class":855},[838,2348,1541],{"class":848},[838,2350,887],{"class":844},[838,2352,890],{"class":848},[838,2354,2355],{"class":893},".\u002Fmy-drain",[838,2357,896],{"class":848},[838,2359,2360],{"class":840,"line":862},[838,2361,903],{"emptyLinePlaceholder":902},[838,2363,2364,2366,2369,2371,2374,2376,2379,2381,2384,2386,2389,2391,2393,2395,2397],{"class":840,"line":870},[838,2365,1104],{"class":844},[838,2367,2368],{"class":909}," const",[838,2370,1536],{"class":848},[838,2372,2373],{"class":855}," withEvlog",[838,2375,1014],{"class":848},[838,2377,2378],{"class":855}," useLogger",[838,2380,1014],{"class":848},[838,2382,2383],{"class":855}," log",[838,2385,1014],{"class":848},[838,2387,2388],{"class":855}," createError ",[838,2390,884],{"class":848},[838,2392,1200],{"class":848},[838,2394,2327],{"class":1110},[838,2396,1114],{"class":855},[838,2398,1152],{"class":848},[838,2400,2401,2404,2406,2408,2411,2413],{"class":840,"line":881},[838,2402,2403],{"class":922},"  service",[838,2405,926],{"class":848},[838,2407,890],{"class":848},[838,2409,2410],{"class":893},"my-app",[838,2412,1011],{"class":848},[838,2414,859],{"class":848},[838,2416,2417,2420,2422,2424,2427],{"class":840,"line":899},[838,2418,2419],{"class":922},"  drain",[838,2421,926],{"class":848},[838,2423,1111],{"class":1110},[838,2425,2426],{"class":855},"()",[838,2428,859],{"class":848},[838,2430,2431,2433],{"class":840,"line":906},[838,2432,884],{"class":848},[838,2434,1232],{"class":855},[828,2436,2439],{"className":830,"code":2437,"filename":250,"language":833,"meta":2438,"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",[651,2440,2441,2461,2479,2483],{"__ignoreMap":834},[838,2442,2443,2445,2447,2450,2452,2454,2456,2459],{"class":840,"line":841},[838,2444,845],{"class":844},[838,2446,1536],{"class":848},[838,2448,2449],{"class":855}," createEvlogHooks",[838,2451,1541],{"class":848},[838,2453,887],{"class":844},[838,2455,890],{"class":848},[838,2457,2458],{"class":893},"evlog\u002Fsveltekit",[838,2460,896],{"class":848},[838,2462,2463,2465,2467,2469,2471,2473,2475,2477],{"class":840,"line":852},[838,2464,845],{"class":844},[838,2466,1536],{"class":848},[838,2468,1111],{"class":855},[838,2470,1541],{"class":848},[838,2472,887],{"class":844},[838,2474,890],{"class":848},[838,2476,2355],{"class":893},[838,2478,896],{"class":848},[838,2480,2481],{"class":840,"line":862},[838,2482,903],{"emptyLinePlaceholder":902},[838,2484,2485,2487,2489,2491,2494,2496,2499,2501,2503,2505,2507,2510,2512,2514,2516,2519,2521],{"class":840,"line":870},[838,2486,1104],{"class":844},[838,2488,2368],{"class":909},[838,2490,1536],{"class":848},[838,2492,2493],{"class":855}," handle",[838,2495,1014],{"class":848},[838,2497,2498],{"class":855}," handleError ",[838,2500,884],{"class":848},[838,2502,1200],{"class":848},[838,2504,2449],{"class":1110},[838,2506,1114],{"class":855},[838,2508,2509],{"class":848},"{",[838,2511,2189],{"class":922},[838,2513,926],{"class":848},[838,2515,1111],{"class":1110},[838,2517,2518],{"class":855},"() ",[838,2520,884],{"class":848},[838,2522,1232],{"class":855},[828,2524,2525],{"className":830,"code":2200,"filename":260,"language":833,"meta":2094,"style":834},[651,2526,2527,2545,2563,2567,2579,2583,2603,2629],{"__ignoreMap":834},[838,2528,2529,2531,2533,2535,2537,2539,2541,2543],{"class":840,"line":841},[838,2530,845],{"class":844},[838,2532,1536],{"class":848},[838,2534,2211],{"class":855},[838,2536,1541],{"class":848},[838,2538,887],{"class":844},[838,2540,890],{"class":848},[838,2542,2220],{"class":893},[838,2544,896],{"class":848},[838,2546,2547,2549,2551,2553,2555,2557,2559,2561],{"class":840,"line":852},[838,2548,845],{"class":844},[838,2550,1536],{"class":848},[838,2552,1111],{"class":855},[838,2554,1541],{"class":848},[838,2556,887],{"class":844},[838,2558,890],{"class":848},[838,2560,2113],{"class":893},[838,2562,896],{"class":848},[838,2564,2565],{"class":840,"line":862},[838,2566,903],{"emptyLinePlaceholder":902},[838,2568,2569,2571,2573,2575,2577],{"class":840,"line":870},[838,2570,968],{"class":909},[838,2572,2126],{"class":855},[838,2574,990],{"class":848},[838,2576,1111],{"class":1110},[838,2578,2133],{"class":855},[838,2580,2581],{"class":840,"line":881},[838,2582,903],{"emptyLinePlaceholder":902},[838,2584,2585,2587,2589,2591,2593,2595,2597,2599,2601],{"class":840,"line":899},[838,2586,1104],{"class":844},[838,2588,2144],{"class":844},[838,2590,2211],{"class":1110},[838,2592,1114],{"class":855},[838,2594,1114],{"class":848},[838,2596,2154],{"class":1117},[838,2598,1334],{"class":848},[838,2600,1186],{"class":909},[838,2602,849],{"class":848},[838,2604,2605,2607,2609,2611,2613,2615,2617,2619,2621,2623,2625,2627],{"class":840,"line":906},[838,2606,2165],{"class":855},[838,2608,1250],{"class":848},[838,2610,2170],{"class":855},[838,2612,1250],{"class":848},[838,2614,2175],{"class":1110},[838,2616,1114],{"class":922},[838,2618,1011],{"class":848},[838,2620,2182],{"class":893},[838,2622,1011],{"class":848},[838,2624,1014],{"class":848},[838,2626,2189],{"class":855},[838,2628,1232],{"class":922},[838,2630,2631,2633],{"class":840,"line":919},[838,2632,884],{"class":848},[838,2634,1232],{"class":855},[828,2636,2639],{"className":830,"code":2637,"filename":290,"language":833,"meta":2638,"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",[651,2640,2641,2661,2679,2683,2708,2731],{"__ignoreMap":834},[838,2642,2643,2645,2647,2650,2652,2654,2656,2659],{"class":840,"line":841},[838,2644,845],{"class":844},[838,2646,1536],{"class":848},[838,2648,2649],{"class":855}," evlog",[838,2651,1541],{"class":848},[838,2653,887],{"class":844},[838,2655,890],{"class":848},[838,2657,2658],{"class":893},"evlog\u002Freact-router",[838,2660,896],{"class":848},[838,2662,2663,2665,2667,2669,2671,2673,2675,2677],{"class":840,"line":852},[838,2664,845],{"class":844},[838,2666,1536],{"class":848},[838,2668,1111],{"class":855},[838,2670,1541],{"class":848},[838,2672,887],{"class":844},[838,2674,890],{"class":848},[838,2676,2355],{"class":893},[838,2678,896],{"class":848},[838,2680,2681],{"class":840,"line":862},[838,2682,903],{"emptyLinePlaceholder":902},[838,2684,2685,2687,2689,2692,2694,2697,2699,2702,2704,2706],{"class":840,"line":870},[838,2686,1104],{"class":844},[838,2688,2368],{"class":909},[838,2690,2691],{"class":855}," middleware",[838,2693,926],{"class":848},[838,2695,2696],{"class":913}," Route",[838,2698,1250],{"class":848},[838,2700,2701],{"class":913},"MiddlewareFunction",[838,2703,987],{"class":855},[838,2705,990],{"class":848},[838,2707,993],{"class":855},[838,2709,2710,2713,2715,2717,2719,2721,2723,2725,2727,2729],{"class":840,"line":881},[838,2711,2712],{"class":1110},"  evlog",[838,2714,1114],{"class":855},[838,2716,2509],{"class":848},[838,2718,2189],{"class":922},[838,2720,926],{"class":848},[838,2722,1111],{"class":1110},[838,2724,2518],{"class":855},[838,2726,884],{"class":848},[838,2728,1334],{"class":855},[838,2730,859],{"class":848},[838,2732,2733],{"class":840,"line":899},[838,2734,1093],{"class":855},[828,2736,2739],{"className":830,"code":2737,"filename":275,"language":833,"meta":2738,"style":834},"import { evlog } from 'evlog\u002Fhono'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\napp.use(evlog({ drain: createMyServiceDrain() }))\n","src\u002Findex.ts",[651,2740,2741,2760,2778,2782],{"__ignoreMap":834},[838,2742,2743,2745,2747,2749,2751,2753,2755,2758],{"class":840,"line":841},[838,2744,845],{"class":844},[838,2746,1536],{"class":848},[838,2748,2649],{"class":855},[838,2750,1541],{"class":848},[838,2752,887],{"class":844},[838,2754,890],{"class":848},[838,2756,2757],{"class":893},"evlog\u002Fhono",[838,2759,896],{"class":848},[838,2761,2762,2764,2766,2768,2770,2772,2774,2776],{"class":840,"line":852},[838,2763,845],{"class":844},[838,2765,1536],{"class":848},[838,2767,1111],{"class":855},[838,2769,1541],{"class":848},[838,2771,887],{"class":844},[838,2773,890],{"class":848},[838,2775,2355],{"class":893},[838,2777,896],{"class":848},[838,2779,2780],{"class":840,"line":862},[838,2781,903],{"emptyLinePlaceholder":902},[838,2783,2784,2787,2789,2792,2794,2797,2799,2801,2803,2805,2807,2809,2811],{"class":840,"line":870},[838,2785,2786],{"class":855},"app",[838,2788,1250],{"class":848},[838,2790,2791],{"class":1110},"use",[838,2793,1114],{"class":855},[838,2795,2796],{"class":1110},"evlog",[838,2798,1114],{"class":855},[838,2800,2509],{"class":848},[838,2802,2189],{"class":922},[838,2804,926],{"class":848},[838,2806,1111],{"class":1110},[838,2808,2518],{"class":855},[838,2810,884],{"class":848},[838,2812,2813],{"class":855},"))\n",[828,2815,2817],{"className":830,"code":2816,"filename":270,"language":833,"meta":2738,"style":834},"import { evlog } from 'evlog\u002Fexpress'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\napp.use(evlog({ drain: createMyServiceDrain() }))\n",[651,2818,2819,2838,2856,2860],{"__ignoreMap":834},[838,2820,2821,2823,2825,2827,2829,2831,2833,2836],{"class":840,"line":841},[838,2822,845],{"class":844},[838,2824,1536],{"class":848},[838,2826,2649],{"class":855},[838,2828,1541],{"class":848},[838,2830,887],{"class":844},[838,2832,890],{"class":848},[838,2834,2835],{"class":893},"evlog\u002Fexpress",[838,2837,896],{"class":848},[838,2839,2840,2842,2844,2846,2848,2850,2852,2854],{"class":840,"line":852},[838,2841,845],{"class":844},[838,2843,1536],{"class":848},[838,2845,1111],{"class":855},[838,2847,1541],{"class":848},[838,2849,887],{"class":844},[838,2851,890],{"class":848},[838,2853,2355],{"class":893},[838,2855,896],{"class":848},[838,2857,2858],{"class":840,"line":862},[838,2859,903],{"emptyLinePlaceholder":902},[838,2861,2862,2864,2866,2868,2870,2872,2874,2876,2878,2880,2882,2884,2886],{"class":840,"line":870},[838,2863,2786],{"class":855},[838,2865,1250],{"class":848},[838,2867,2791],{"class":1110},[838,2869,1114],{"class":855},[838,2871,2796],{"class":1110},[838,2873,1114],{"class":855},[838,2875,2509],{"class":848},[838,2877,2189],{"class":922},[838,2879,926],{"class":848},[838,2881,1111],{"class":1110},[838,2883,2518],{"class":855},[838,2885,884],{"class":848},[838,2887,2813],{"class":855},[828,2889,2891],{"className":830,"code":2890,"filename":280,"language":833,"meta":2738,"style":834},"await app.register(evlog, { drain: createMyServiceDrain() })\n",[651,2892,2893],{"__ignoreMap":834},[838,2894,2895,2898,2901,2903,2906,2909,2911,2913,2915,2917,2919,2921,2923],{"class":840,"line":841},[838,2896,2897],{"class":844},"await",[838,2899,2900],{"class":855}," app",[838,2902,1250],{"class":848},[838,2904,2905],{"class":1110},"register",[838,2907,2908],{"class":855},"(evlog",[838,2910,1014],{"class":848},[838,2912,1536],{"class":848},[838,2914,2189],{"class":922},[838,2916,926],{"class":848},[838,2918,1111],{"class":1110},[838,2920,2518],{"class":855},[838,2922,884],{"class":848},[838,2924,1232],{"class":855},[828,2926,2928],{"className":830,"code":2927,"filename":285,"language":833,"meta":2738,"style":834},"import { evlog } from 'evlog\u002Felysia'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\napp.use(evlog({ drain: createMyServiceDrain() }))\n",[651,2929,2930,2949,2967,2971],{"__ignoreMap":834},[838,2931,2932,2934,2936,2938,2940,2942,2944,2947],{"class":840,"line":841},[838,2933,845],{"class":844},[838,2935,1536],{"class":848},[838,2937,2649],{"class":855},[838,2939,1541],{"class":848},[838,2941,887],{"class":844},[838,2943,890],{"class":848},[838,2945,2946],{"class":893},"evlog\u002Felysia",[838,2948,896],{"class":848},[838,2950,2951,2953,2955,2957,2959,2961,2963,2965],{"class":840,"line":852},[838,2952,845],{"class":844},[838,2954,1536],{"class":848},[838,2956,1111],{"class":855},[838,2958,1541],{"class":848},[838,2960,887],{"class":844},[838,2962,890],{"class":848},[838,2964,2355],{"class":893},[838,2966,896],{"class":848},[838,2968,2969],{"class":840,"line":862},[838,2970,903],{"emptyLinePlaceholder":902},[838,2972,2973,2975,2977,2979,2981,2983,2985,2987,2989,2991,2993,2995,2997],{"class":840,"line":870},[838,2974,2786],{"class":855},[838,2976,1250],{"class":848},[838,2978,2791],{"class":1110},[838,2980,1114],{"class":855},[838,2982,2796],{"class":1110},[838,2984,1114],{"class":855},[838,2986,2509],{"class":848},[838,2988,2189],{"class":922},[838,2990,926],{"class":848},[838,2992,1111],{"class":1110},[838,2994,2518],{"class":855},[838,2996,884],{"class":848},[838,2998,2813],{"class":855},[828,3000,3003],{"className":830,"code":3001,"filename":265,"language":833,"meta":3002,"style":834},"EvlogModule.forRoot({ drain: createMyServiceDrain() })\n","src\u002Fapp.module.ts",[651,3004,3005],{"__ignoreMap":834},[838,3006,3007,3010,3012,3015,3017,3019,3021,3023,3025,3027,3029],{"class":840,"line":841},[838,3008,3009],{"class":855},"EvlogModule",[838,3011,1250],{"class":848},[838,3013,3014],{"class":1110},"forRoot",[838,3016,1114],{"class":855},[838,3018,2509],{"class":848},[838,3020,2189],{"class":922},[838,3022,926],{"class":848},[838,3024,1111],{"class":1110},[838,3026,2518],{"class":855},[838,3028,884],{"class":848},[838,3030,1232],{"class":855},[828,3032,3035],{"className":830,"code":3033,"filename":309,"language":833,"meta":3034,"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",[651,3036,3037,3056,3074,3078],{"__ignoreMap":834},[838,3038,3039,3041,3043,3045,3047,3049,3051,3054],{"class":840,"line":841},[838,3040,845],{"class":844},[838,3042,1536],{"class":848},[838,3044,2373],{"class":855},[838,3046,1541],{"class":848},[838,3048,887],{"class":844},[838,3050,890],{"class":848},[838,3052,3053],{"class":893},"evlog\u002Forpc",[838,3055,896],{"class":848},[838,3057,3058,3060,3062,3064,3066,3068,3070,3072],{"class":840,"line":852},[838,3059,845],{"class":844},[838,3061,1536],{"class":848},[838,3063,1111],{"class":855},[838,3065,1541],{"class":848},[838,3067,887],{"class":844},[838,3069,890],{"class":848},[838,3071,2355],{"class":893},[838,3073,896],{"class":848},[838,3075,3076],{"class":840,"line":862},[838,3077,903],{"emptyLinePlaceholder":902},[838,3079,3080,3082,3085,3087,3089,3091,3094,3097,3100,3102,3104,3106,3108,3110,3112,3114],{"class":840,"line":870},[838,3081,968],{"class":909},[838,3083,3084],{"class":855}," handler ",[838,3086,990],{"class":848},[838,3088,2373],{"class":1110},[838,3090,1114],{"class":855},[838,3092,3093],{"class":848},"new",[838,3095,3096],{"class":1110}," RPCHandler",[838,3098,3099],{"class":855},"(router)",[838,3101,1014],{"class":848},[838,3103,1536],{"class":848},[838,3105,2189],{"class":922},[838,3107,926],{"class":848},[838,3109,1111],{"class":1110},[838,3111,2518],{"class":855},[838,3113,884],{"class":848},[838,3115,1232],{"class":855},[828,3117,3120],{"className":830,"code":3118,"filename":295,"language":833,"meta":3119,"style":834},"import { withEvlog } from 'evlog\u002Fworkers'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\nexport default withEvlog(handler, { drain: createMyServiceDrain() })\n","src\u002Fworker.ts",[651,3121,3122,3141,3159,3163],{"__ignoreMap":834},[838,3123,3124,3126,3128,3130,3132,3134,3136,3139],{"class":840,"line":841},[838,3125,845],{"class":844},[838,3127,1536],{"class":848},[838,3129,2373],{"class":855},[838,3131,1541],{"class":848},[838,3133,887],{"class":844},[838,3135,890],{"class":848},[838,3137,3138],{"class":893},"evlog\u002Fworkers",[838,3140,896],{"class":848},[838,3142,3143,3145,3147,3149,3151,3153,3155,3157],{"class":840,"line":852},[838,3144,845],{"class":844},[838,3146,1536],{"class":848},[838,3148,1111],{"class":855},[838,3150,1541],{"class":848},[838,3152,887],{"class":844},[838,3154,890],{"class":848},[838,3156,2355],{"class":893},[838,3158,896],{"class":848},[838,3160,3161],{"class":840,"line":862},[838,3162,903],{"emptyLinePlaceholder":902},[838,3164,3165,3167,3169,3171,3174,3176,3178,3180,3182,3184,3186,3188],{"class":840,"line":870},[838,3166,1104],{"class":844},[838,3168,2144],{"class":844},[838,3170,2373],{"class":1110},[838,3172,3173],{"class":855},"(handler",[838,3175,1014],{"class":848},[838,3177,1536],{"class":848},[838,3179,2189],{"class":922},[838,3181,926],{"class":848},[838,3183,1111],{"class":1110},[838,3185,2518],{"class":855},[838,3187,884],{"class":848},[838,3189,1232],{"class":855},[828,3191,3193],{"className":830,"code":3192,"filename":300,"language":833,"meta":834,"style":834},"import { initLogger } from 'evlog'\nimport { createMyServiceDrain } from '.\u002Fmy-drain'\n\ninitLogger({ drain: createMyServiceDrain() })\n",[651,3194,3195,3214,3232,3236],{"__ignoreMap":834},[838,3196,3197,3199,3201,3204,3206,3208,3210,3212],{"class":840,"line":841},[838,3198,845],{"class":844},[838,3200,1536],{"class":848},[838,3202,3203],{"class":855}," initLogger",[838,3205,1541],{"class":848},[838,3207,887],{"class":844},[838,3209,890],{"class":848},[838,3211,2796],{"class":893},[838,3213,896],{"class":848},[838,3215,3216,3218,3220,3222,3224,3226,3228,3230],{"class":840,"line":852},[838,3217,845],{"class":844},[838,3219,1536],{"class":848},[838,3221,1111],{"class":855},[838,3223,1541],{"class":848},[838,3225,887],{"class":844},[838,3227,890],{"class":848},[838,3229,2355],{"class":893},[838,3231,896],{"class":848},[838,3233,3234],{"class":840,"line":862},[838,3235,903],{"emptyLinePlaceholder":902},[838,3237,3238,3241,3243,3245,3247,3249,3251,3253,3255],{"class":840,"line":870},[838,3239,3240],{"class":1110},"initLogger",[838,3242,1114],{"class":855},[838,3244,2509],{"class":848},[838,3246,2189],{"class":922},[838,3248,926],{"class":848},[838,3250,1111],{"class":1110},[838,3252,2518],{"class":855},[838,3254,884],{"class":848},[838,3256,1232],{"class":855},[609,3258,3259,3260,3264],{},"For production, wrap it once in ",[618,3261,3262],{"href":535},[651,3263,789],{}," so events are batched and retried.",[805,3266,3268],{"id":3267},"filter-or-transform-before-sending","Filter or transform before sending",[609,3270,3271,3273,3274,3277,3278,3280],{},[651,3272,822],{}," receives the full batch of ",[651,3275,3276],{},"WideEvent[]"," plus the resolved config. Filter or transform inline, and returning ",[651,3279,767],{}," is a clean opt-out for that batch:",[828,3282,3284],{"className":830,"code":3283,"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",[651,3285,3286,3307,3367,3394,3398,3423,3455,3477,3541,3547,3551,3557,3581,3606,3628,3633],{"__ignoreMap":834},[838,3287,3288,3291,3293,3295,3297,3299,3301,3303,3305],{"class":840,"line":841},[838,3289,3290],{"class":913},"encode",[838,3292,926],{"class":848},[838,3294,1241],{"class":848},[838,3296,1327],{"class":1117},[838,3298,1014],{"class":848},[838,3300,1197],{"class":1117},[838,3302,1334],{"class":848},[838,3304,1186],{"class":909},[838,3306,849],{"class":848},[838,3308,3309,3312,3315,3317,3319,3321,3324,3326,3328,3330,3332,3334,3336,3339,3341,3343,3345,3348,3350,3352,3355,3358,3360,3363,3365],{"class":840,"line":852},[838,3310,3311],{"class":909},"  const",[838,3313,3314],{"class":855}," filtered",[838,3316,1200],{"class":848},[838,3318,1846],{"class":855},[838,3320,1250],{"class":848},[838,3322,3323],{"class":1110},"filter",[838,3325,1114],{"class":922},[838,3327,1855],{"class":1117},[838,3329,1186],{"class":909},[838,3331,1878],{"class":855},[838,3333,1250],{"class":848},[838,3335,1897],{"class":855},[838,3337,3338],{"class":848}," ===",[838,3340,890],{"class":848},[838,3342,1268],{"class":893},[838,3344,1011],{"class":848},[838,3346,3347],{"class":848}," &&",[838,3349,1878],{"class":855},[838,3351,1250],{"class":848},[838,3353,3354],{"class":855},"path",[838,3356,3357],{"class":848}," !==",[838,3359,890],{"class":848},[838,3361,3362],{"class":893},"\u002Fhealth",[838,3364,1011],{"class":848},[838,3366,1232],{"class":922},[838,3368,3369,3372,3374,3377,3379,3382,3384,3387,3389,3392],{"class":840,"line":862},[838,3370,3371],{"class":844},"  if",[838,3373,1241],{"class":922},[838,3375,3376],{"class":855},"filtered",[838,3378,1250],{"class":848},[838,3380,3381],{"class":855},"length",[838,3383,3338],{"class":848},[838,3385,3386],{"class":1939}," 0",[838,3388,1255],{"class":922},[838,3390,3391],{"class":844},"return",[838,3393,1288],{"class":848},[838,3395,3396],{"class":840,"line":870},[838,3397,903],{"emptyLinePlaceholder":902},[838,3399,3400,3402,3405,3407,3409,3411,3413,3415,3417,3419,3421],{"class":840,"line":881},[838,3401,3311],{"class":909},[838,3403,3404],{"class":855}," payload",[838,3406,1200],{"class":848},[838,3408,3314],{"class":855},[838,3410,1250],{"class":848},[838,3412,99],{"class":1110},[838,3414,1114],{"class":922},[838,3416,1855],{"class":1117},[838,3418,1186],{"class":909},[838,3420,1241],{"class":922},[838,3422,1152],{"class":848},[838,3424,3425,3428,3430,3433,3436,3438,3440,3442,3444,3446,3448,3451,3453],{"class":840,"line":899},[838,3426,3427],{"class":922},"    ts",[838,3429,926],{"class":848},[838,3431,3432],{"class":848}," new",[838,3434,3435],{"class":1110}," Date",[838,3437,1114],{"class":922},[838,3439,1855],{"class":855},[838,3441,1250],{"class":848},[838,3443,1931],{"class":855},[838,3445,1334],{"class":922},[838,3447,1250],{"class":848},[838,3449,3450],{"class":1110},"getTime",[838,3452,2426],{"class":922},[838,3454,859],{"class":848},[838,3456,3457,3460,3462,3464,3466,3468,3470,3473,3475],{"class":840,"line":906},[838,3458,3459],{"class":922},"    severity",[838,3461,926],{"class":848},[838,3463,1878],{"class":855},[838,3465,1250],{"class":848},[838,3467,1897],{"class":855},[838,3469,1250],{"class":848},[838,3471,3472],{"class":1110},"toUpperCase",[838,3474,2426],{"class":922},[838,3476,859],{"class":848},[838,3478,3479,3482,3484,3486,3489,3491,3493,3495,3498,3500,3503,3505,3507,3509,3511,3513,3516,3518,3520,3522,3525,3527,3530,3532,3534,3536,3539],{"class":840,"line":919},[838,3480,3481],{"class":922},"    attributes",[838,3483,926],{"class":848},[838,3485,1536],{"class":848},[838,3487,3488],{"class":922}," method",[838,3490,926],{"class":848},[838,3492,1878],{"class":855},[838,3494,1250],{"class":848},[838,3496,3497],{"class":855},"method",[838,3499,1014],{"class":848},[838,3501,3502],{"class":922}," path",[838,3504,926],{"class":848},[838,3506,1878],{"class":855},[838,3508,1250],{"class":848},[838,3510,3354],{"class":855},[838,3512,1014],{"class":848},[838,3514,3515],{"class":922}," status",[838,3517,926],{"class":848},[838,3519,1878],{"class":855},[838,3521,1250],{"class":848},[838,3523,3524],{"class":855},"status",[838,3526,1014],{"class":848},[838,3528,3529],{"class":922}," durationMs",[838,3531,926],{"class":848},[838,3533,1878],{"class":855},[838,3535,1250],{"class":848},[838,3537,3538],{"class":855},"durationMs",[838,3540,1087],{"class":848},[838,3542,3543,3545],{"class":840,"line":932},[838,3544,1483],{"class":848},[838,3546,2813],{"class":922},[838,3548,3549],{"class":840,"line":943},[838,3550,903],{"emptyLinePlaceholder":902},[838,3552,3553,3555],{"class":840,"line":954},[838,3554,1138],{"class":844},[838,3556,849],{"class":848},[838,3558,3559,3562,3564,3566,3568,3570,3572,3574,3577,3579],{"class":840,"line":960},[838,3560,3561],{"class":922},"    url",[838,3563,926],{"class":848},[838,3565,1351],{"class":848},[838,3567,1247],{"class":855},[838,3569,1250],{"class":848},[838,3571,745],{"class":855},[838,3573,884],{"class":848},[838,3575,3576],{"class":893},"\u002Fv1\u002Fpush",[838,3578,1375],{"class":848},[838,3580,859],{"class":848},[838,3582,3583,3586,3588,3590,3592,3594,3596,3598,3600,3602,3604],{"class":840,"line":965},[838,3584,3585],{"class":922},"    headers",[838,3587,926],{"class":848},[838,3589,1536],{"class":848},[838,3591,890],{"class":848},[838,3593,1396],{"class":922},[838,3595,1011],{"class":848},[838,3597,926],{"class":848},[838,3599,890],{"class":848},[838,3601,1405],{"class":893},[838,3603,1011],{"class":848},[838,3605,1087],{"class":848},[838,3607,3608,3611,3613,3615,3617,3619,3621,3624,3626],{"class":840,"line":996},[838,3609,3610],{"class":922},"    body",[838,3612,926],{"class":848},[838,3614,1454],{"class":855},[838,3616,1250],{"class":848},[838,3618,1459],{"class":1110},[838,3620,1114],{"class":922},[838,3622,3623],{"class":855},"payload",[838,3625,1334],{"class":922},[838,3627,859],{"class":848},[838,3629,3630],{"class":840,"line":1038},[838,3631,3632],{"class":848},"  }\n",[838,3634,3635],{"class":840,"line":1072},[838,3636,957],{"class":848},[805,3638,3640,3642],{"id":3639},"definedrain-non-http-transports",[651,3641,675],{}," (non-HTTP transports)",[609,3644,3645,3646,3648],{},"If your destination requires gRPC, a vendor SDK, a queue client, a WebSocket, or a raw socket, drop one level lower with ",[651,3647,675],{},". You own the transport; the toolkit still gives you config resolution, error isolation, and a consistent shape.",[828,3650,3652],{"className":830,"code":3651,"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",[651,3653,3654,3673,3677,3693,3713,3728,3767,3790,3825,3829],{"__ignoreMap":834},[838,3655,3656,3658,3660,3663,3665,3667,3669,3671],{"class":840,"line":841},[838,3657,845],{"class":844},[838,3659,1536],{"class":848},[838,3661,3662],{"class":855}," defineDrain",[838,3664,1541],{"class":848},[838,3666,887],{"class":844},[838,3668,890],{"class":848},[838,3670,681],{"class":893},[838,3672,896],{"class":848},[838,3674,3675],{"class":840,"line":852},[838,3676,903],{"emptyLinePlaceholder":902},[838,3678,3679,3681,3683,3686,3688,3690],{"class":840,"line":862},[838,3680,1104],{"class":844},[838,3682,2368],{"class":909},[838,3684,3685],{"class":855}," createCustomTransportDrain ",[838,3687,990],{"class":848},[838,3689,1183],{"class":848},[838,3691,3692],{"class":909}," =>\n",[838,3694,3695,3698,3700,3703,3705,3707,3709,3711],{"class":840,"line":870},[838,3696,3697],{"class":1110},"  defineDrain",[838,3699,1601],{"class":848},[838,3701,3702],{"class":922}," apiKey",[838,3704,926],{"class":848},[838,3706,1578],{"class":913},[838,3708,1618],{"class":848},[838,3710,1114],{"class":855},[838,3712,1152],{"class":848},[838,3714,3715,3717,3719,3721,3724,3726],{"class":840,"line":881},[838,3716,1158],{"class":922},[838,3718,926],{"class":848},[838,3720,890],{"class":848},[838,3722,3723],{"class":893},"custom",[838,3725,1011],{"class":848},[838,3727,859],{"class":848},[838,3729,3730,3732,3734,3736,3738,3740,3742,3744,3746,3748,3750,3752,3754,3756,3759,3761,3763,3765],{"class":840,"line":899},[838,3731,1175],{"class":1110},[838,3733,926],{"class":848},[838,3735,1180],{"class":909},[838,3737,1183],{"class":848},[838,3739,1186],{"class":909},[838,3741,1241],{"class":855},[838,3743,2509],{"class":848},[838,3745,3702],{"class":922},[838,3747,926],{"class":848},[838,3749,1671],{"class":855},[838,3751,1250],{"class":848},[838,3753,1676],{"class":855},[838,3755,1250],{"class":848},[838,3757,3758],{"class":855},"MY_KEY",[838,3760,1244],{"class":848},[838,3762,1541],{"class":848},[838,3764,1334],{"class":855},[838,3766,859],{"class":848},[838,3768,3769,3772,3774,3776,3778,3780,3782,3784,3786,3788],{"class":840,"line":906},[838,3770,3771],{"class":1110},"    send",[838,3773,926],{"class":848},[838,3775,1180],{"class":909},[838,3777,1241],{"class":848},[838,3779,1327],{"class":1117},[838,3781,1014],{"class":848},[838,3783,1197],{"class":1117},[838,3785,1334],{"class":848},[838,3787,1186],{"class":909},[838,3789,849],{"class":848},[838,3791,3792,3795,3798,3800,3803,3805,3807,3809,3811,3813,3815,3817,3819,3821,3823],{"class":840,"line":919},[838,3793,3794],{"class":844},"      await",[838,3796,3797],{"class":855}," myVendorSdk",[838,3799,1250],{"class":848},[838,3801,3802],{"class":1110},"publish",[838,3804,1114],{"class":922},[838,3806,1327],{"class":855},[838,3808,1014],{"class":848},[838,3810,1536],{"class":848},[838,3812,1583],{"class":922},[838,3814,926],{"class":848},[838,3816,1197],{"class":855},[838,3818,1250],{"class":848},[838,3820,741],{"class":855},[838,3822,1541],{"class":848},[838,3824,1232],{"class":922},[838,3826,3827],{"class":840,"line":932},[838,3828,1314],{"class":848},[838,3830,3831,3833],{"class":840,"line":943},[838,3832,1483],{"class":848},[838,3834,1232],{"class":855},[609,3836,3837,3838,3841,3842,3844,3845,3847,3848,3851,3852,3855,3856,3858],{},"Let ",[651,3839,3840],{},"send"," throw on failure. ",[651,3843,675],{}," handles the isolation: a direct call swallows the error and logs it with your drain's name, while the ",[651,3846,1512],{}," variant on the returned function rejects, which is how ",[618,3849,3850],{"href":535},"the pipeline","'s retry and ",[651,3853,3854],{},"onDropped"," observe failures. A ",[651,3857,3840],{}," that swallows its own errors makes your drain unretryable.",[805,3860,3862],{"id":3861},"what-a-draincontext-carries","What a DrainContext carries",[609,3864,3865,3866,3868,3869,3872],{},"When evlog calls your drain through ",[651,3867,2182],{},", it passes a ",[651,3870,3871],{},"DrainContext"," per event:",[828,3874,3877],{"className":830,"code":3875,"filename":3876,"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",[651,3878,3879,3888,3894,3904,3908,3913,3922,3931,3940,3949,3953,3957,3962,3984,3988,3992,4001,4010,4051,4059,4068,4077,4086,4095,4104,4109,4129],{"__ignoreMap":834},[838,3880,3881,3883,3886],{"class":840,"line":841},[838,3882,910],{"class":909},[838,3884,3885],{"class":913}," DrainContext",[838,3887,849],{"class":848},[838,3889,3890],{"class":840,"line":852},[838,3891,3893],{"class":3892},"sHwdD","  \u002F** The complete wide event with all accumulated context *\u002F\n",[838,3895,3896,3899,3901],{"class":840,"line":862},[838,3897,3898],{"class":922},"  event",[838,3900,926],{"class":848},[838,3902,3903],{"class":913}," WideEvent\n",[838,3905,3906],{"class":840,"line":870},[838,3907,903],{"emptyLinePlaceholder":902},[838,3909,3910],{"class":840,"line":881},[838,3911,3912],{"class":3892},"  \u002F** Request metadata *\u002F\n",[838,3914,3915,3918,3920],{"class":840,"line":899},[838,3916,3917],{"class":922},"  request",[838,3919,938],{"class":848},[838,3921,849],{"class":848},[838,3923,3924,3927,3929],{"class":840,"line":906},[838,3925,3926],{"class":922},"    method",[838,3928,926],{"class":848},[838,3930,929],{"class":913},[838,3932,3933,3936,3938],{"class":840,"line":919},[838,3934,3935],{"class":922},"    path",[838,3937,926],{"class":848},[838,3939,929],{"class":913},[838,3941,3942,3945,3947],{"class":840,"line":932},[838,3943,3944],{"class":922},"    requestId",[838,3946,926],{"class":848},[838,3948,929],{"class":913},[838,3950,3951],{"class":840,"line":943},[838,3952,3632],{"class":848},[838,3954,3955],{"class":840,"line":954},[838,3956,903],{"emptyLinePlaceholder":902},[838,3958,3959],{"class":840,"line":960},[838,3960,3961],{"class":3892},"  \u002F** Safe HTTP headers (sensitive headers filtered) *\u002F\n",[838,3963,3964,3967,3969,3972,3974,3977,3979,3981],{"class":840,"line":965},[838,3965,3966],{"class":922},"  headers",[838,3968,938],{"class":848},[838,3970,3971],{"class":913}," Record",[838,3973,978],{"class":848},[838,3975,3976],{"class":913},"string",[838,3978,1014],{"class":848},[838,3980,1578],{"class":913},[838,3982,3983],{"class":848},">\n",[838,3985,3986],{"class":840,"line":996},[838,3987,957],{"class":848},[838,3989,3990],{"class":840,"line":1038},[838,3991,903],{"emptyLinePlaceholder":902},[838,3993,3994,3996,3999],{"class":840,"line":1072},[838,3995,910],{"class":909},[838,3997,3998],{"class":913}," WideEvent",[838,4000,849],{"class":848},[838,4002,4003,4006,4008],{"class":840,"line":1090},[838,4004,4005],{"class":922},"  timestamp",[838,4007,926],{"class":848},[838,4009,929],{"class":913},[838,4011,4012,4015,4017,4019,4022,4024,4027,4029,4032,4034,4036,4038,4041,4043,4045,4047,4049],{"class":840,"line":1096},[838,4013,4014],{"class":922},"  level",[838,4016,926],{"class":848},[838,4018,890],{"class":848},[838,4020,4021],{"class":893},"debug",[838,4023,1011],{"class":848},[838,4025,4026],{"class":848}," |",[838,4028,890],{"class":848},[838,4030,4031],{"class":893},"info",[838,4033,1011],{"class":848},[838,4035,4026],{"class":848},[838,4037,890],{"class":848},[838,4039,4040],{"class":893},"warn",[838,4042,1011],{"class":848},[838,4044,4026],{"class":848},[838,4046,890],{"class":848},[838,4048,1268],{"class":893},[838,4050,896],{"class":848},[838,4052,4053,4055,4057],{"class":840,"line":1101},[838,4054,2403],{"class":922},[838,4056,926],{"class":848},[838,4058,929],{"class":913},[838,4060,4061,4064,4066],{"class":840,"line":1135},[838,4062,4063],{"class":922},"  environment",[838,4065,938],{"class":848},[838,4067,929],{"class":913},[838,4069,4070,4073,4075],{"class":840,"line":1155},[838,4071,4072],{"class":922},"  version",[838,4074,938],{"class":848},[838,4076,929],{"class":913},[838,4078,4079,4082,4084],{"class":840,"line":1172},[838,4080,4081],{"class":922},"  region",[838,4083,938],{"class":848},[838,4085,929],{"class":913},[838,4087,4088,4091,4093],{"class":840,"line":1191},[838,4089,4090],{"class":922},"  commitHash",[838,4092,938],{"class":848},[838,4094,929],{"class":913},[838,4096,4097,4100,4102],{"class":840,"line":1235},[838,4098,4099],{"class":922},"  requestId",[838,4101,938],{"class":848},[838,4103,929],{"class":913},[838,4105,4106],{"class":840,"line":1260},[838,4107,4108],{"class":3892},"  \u002F\u002F ... plus all fields added via log.set()\n",[838,4110,4111,4114,4117,4119,4121,4124,4126],{"class":840,"line":1282},[838,4112,4113],{"class":855},"  [",[838,4115,4116],{"class":1117},"key",[838,4118,926],{"class":848},[838,4120,1578],{"class":913},[838,4122,4123],{"class":855},"]",[838,4125,926],{"class":848},[838,4127,4128],{"class":913}," unknown\n",[838,4130,4131],{"class":840,"line":1291},[838,4132,957],{"class":848},[609,4134,4135,4136,4138,4139,4142,4143,4145,4146,4149],{},"In the batched form your ",[651,4137,822],{}," \u002F ",[651,4140,4141],{},"send()"," receives, you get ",[651,4144,3276],{}," directly (the toolkit unwraps ",[651,4147,4148],{},"event"," from each context).",[805,4151,4153],{"id":4152},"reach-for-a-toolkit-helper","Reach for a toolkit helper",[609,4155,4156,4158],{},[651,4157,681],{}," exposes the same helpers every built-in adapter uses. The ones relevant to drains:",[626,4160,4161,4171],{},[629,4162,4163],{},[632,4164,4165,4168],{},[635,4166,4167],{},"Export",[635,4169,4170],{},"Purpose",[642,4172,4173,4183,4193,4205,4215,4228,4238,4252],{},[632,4174,4175,4180],{},[647,4176,4177],{},[651,4178,4179],{},"defineHttpDrain(spec)",[647,4181,4182],{},"The HTTP recipe — auto retries, timeouts, identity headers, error isolation",[632,4184,4185,4190],{},[647,4186,4187],{},[651,4188,4189],{},"defineDrain(spec)",[647,4191,4192],{},"Same contract for non-HTTP transports",[632,4194,4195,4200],{},[647,4196,4197],{},[651,4198,4199],{},"resolveAdapterConfig(ns, fields, overrides)",[647,4201,4202,4203,735],{},"Standard config priority chain (overrides → ",[651,4204,734],{},[632,4206,4207,4212],{},[647,4208,4209],{},[651,4210,4211],{},"httpPost(opts)",[647,4213,4214],{},"The retried POST helper used by every built-in HTTP adapter — handles timeout, retries, redacted error messages",[632,4216,4217,4222],{},[647,4218,4219],{},[651,4220,4221],{},"composeDrains(drains)",[647,4223,4224,4225,1334],{},"Combine multiple drains into one (errors isolated, runs concurrently with ",[651,4226,4227],{},"Promise.allSettled",[632,4229,4230,4235],{},[647,4231,4232],{},[651,4233,4234],{},"toTypedAttributeValue(value)",[647,4236,4237],{},"Convert any value to the typed attribute shape used by Axiom \u002F Sentry",[632,4239,4240,4245],{},[647,4241,4242],{},[651,4243,4244],{},"toOtlpAttributeValue(value)",[647,4246,4247,4248,4251],{},"Convert any value to the OTLP ",[651,4249,4250],{},"AnyValue"," shape (used by OTLP \u002F HyperDX \u002F PostHog logs)",[632,4253,4254,4262],{},[647,4255,4256,750,4259],{},[651,4257,4258],{},"OTEL_SEVERITY_NUMBER",[651,4260,4261],{},"OTEL_SEVERITY_TEXT",[647,4263,4264],{},"OTEL log severity tables",[805,4266,4268],{"id":4267},"identify-your-traffic-to-the-receiver","Identify your traffic to the receiver",[609,4270,4271,4273],{},[651,4272,662],{}," automatically tags every request with two headers so receivers can identify the traffic:",[626,4275,4276,4286],{},[629,4277,4278],{},[632,4279,4280,4283],{},[635,4281,4282],{},"Header",[635,4284,4285],{},"Value",[642,4287,4288,4301],{},[632,4289,4290,4295],{},[647,4291,4292],{},[651,4293,4294],{},"User-Agent",[647,4296,4297,4300],{},[651,4298,4299],{},"evlog\u002F\u003Cversion>"," (Node \u002F server runtimes only — browsers strip this header)",[632,4302,4303,4308],{},[647,4304,4305],{},[651,4306,4307],{},"X-Evlog-Source",[647,4309,4310,4311,4314],{},"The drain ",[651,4312,4313],{},"name"," you provided",[609,4316,4317,4318,4321,4322,1250],{},"If you build a drain on top of ",[651,4319,4320],{},"httpPost"," directly, you can override or suppress them. See ",[618,4323,524],{"href":525},[805,4325,4327],{"id":4326},"errors-are-already-handled-for-you","Errors are already handled for you",[609,4329,4330,4332],{},[651,4331,662],{}," enforces every best practice automatically:",[2007,4334,4335,4345,4355,4363],{},[696,4336,4337,4340,4341,4344],{},[613,4338,4339],{},"Never throws",": failures are caught and logged with the ",[651,4342,4343],{},"[evlog\u002F\u003Cname>]"," prefix.",[696,4346,4347,4350,4351,4354],{},[613,4348,4349],{},"Retries",": defaults to 2 attempts on transient errors (configurable via ",[651,4352,4353],{},"retries",").",[696,4356,4357,4360,4361,4354],{},[613,4358,4359],{},"Timeouts",": defaults to 5000ms (configurable via ",[651,4362,753],{},[696,4364,4365,4368,4369,4371,4372,4374],{},[613,4366,4367],{},"Graceful degradation",": ",[651,4370,726],{}," returning ",[651,4373,767],{}," makes the drain a no-op.",[609,4376,4377,4378,4380],{},"If you fall back to ",[651,4379,675],{},", follow the same rules manually.",[805,4382,4384],{"id":4383},"publish-it-as-a-community-package","Publish it as a community package",[609,4386,4387],{},"Recommended structure for a community drain:",[828,4389,4394],{"className":4390,"code":4392,"language":4393,"meta":834},[4391],"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",[651,4395,4392],{"__ignoreMap":834},[609,4397,4398,4399,4401,4402,4405,4406,4409],{},"Add ",[651,4400,2796],{}," as a ",[651,4403,4404],{},"peerDependency"," (not a ",[651,4407,4408],{},"dependency","), so your package will not pull in a copy of evlog at install time.",[4411,4412,4415,4416,4421],"callout",{"color":4413,"icon":4414},"neutral","i-lucide-heart","Built something great? ",[618,4417,4420],{"href":4418,"rel":4419},"https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Fpulls",[798],"Open a PR"," to add a row to the Adapters table. The community will thank you.",[805,4423,4425],{"id":4424},"next-steps","Next steps",[693,4427,4428,4434,4442,4448,4454],{},[696,4429,4430,4433],{},[618,4431,4432],{"href":535},"Drain Pipeline",": wrap your drain in batch + retry + fanout for production",[696,4435,4436,4439,4440],{},[618,4437,4438],{"href":153},"Adapters Overview",": see how the built-in adapters use ",[651,4441,662],{},[696,4443,4444,4447],{},[618,4445,4446],{"href":517},"Custom Enrichers",": same toolkit shape for derived event fields",[696,4449,4450,4453],{},[618,4451,4452],{"href":495},"Custom Framework Integration",": same toolkit shape for HTTP frameworks",[696,4455,4456,4458],{},[618,4457,560],{"href":561},": security and production tips",[4460,4461,4462],"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":4464},[4465,4469,4470,4471,4472,4474,4475,4476,4477,4478,4479],{"id":807,"depth":852,"text":4466,"children":4467},"defineHttpDrain (the HTTP recipe)",[4468],{"id":1517,"depth":862,"text":1518},{"id":1999,"depth":852,"text":2000},{"id":2079,"depth":852,"text":2080},{"id":3267,"depth":852,"text":3268},{"id":3639,"depth":852,"text":4473},"defineDrain (non-HTTP transports)",{"id":3861,"depth":852,"text":3862},{"id":4152,"depth":852,"text":4153},{"id":4267,"depth":852,"text":4268},{"id":4326,"depth":852,"text":4327},{"id":4383,"depth":852,"text":4384},{"id":4424,"depth":852,"text":4425},"Build a drain for any backend without a built-in adapter. Config resolution, retries, timeouts, and identity headers are handled for you.","md",[4483,4485,4487],{"label":4432,"icon":537,"to":535,"color":4413,"variant":4484},"subtle",{"label":4438,"icon":4486,"to":153,"color":4413,"variant":4484},"i-custom-plug",{"label":560,"icon":388,"to":561,"color":4413,"variant":4484},{},{"title":529,"icon":532},{"title":604,"description":4480},"xLyeGKOCxsUnIonmrSvEKRLoo6yXM_TTULXpuUJVXyg",[4493,4495],{"title":524,"path":525,"stem":526,"description":4494,"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":4496,"icon":537,"children":-1},"The pipeline wraps every drain: it batches events, retries on failure, fans out to several destinations, and ships browser logs.",1791070339884]