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",[591,592,593],"code",{},"evlog\u002Fnestjs"," module provides ",[591,596,597],{},"EvlogModule.forRoot()"," which registers a global middleware, creating a request-scoped logger accessible via ",[591,600,601],{},"useLogger()"," or ",[591,604,605],{},"req.log",", emitting a wide event when the response completes.",[608,609,612,615,637],"prompt",{":actions":610,"description":611,"icon":268},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my NestJS app",[587,613,614],{},"Set up evlog in my NestJS app.",[616,617,618,622,625,628,631,634],"ul",{},[619,620,621],"li",{},"Install evlog: pnpm add evlog",[619,623,624],{},"Import EvlogModule from 'evlog\u002Fnestjs' and add EvlogModule.forRoot() to AppModule imports",[619,626,627],{},"The global middleware auto-creates a request-scoped logger for every request",[619,629,630],{},"Use useLogger() in any controller or service to access the logger",[619,632,633],{},"Use log.set() to accumulate context, throw createError() for structured 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Install",[661,662,663,697,717,737],"code-group",{},[664,665,671],"pre",{"className":666,"code":667,"filename":668,"language":669,"meta":670,"style":670},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","pnpm","bash","",[591,672,673],{"__ignoreMap":670},[674,675,678,681,685,688,691,694],"span",{"class":676,"line":677},"line",1,[674,679,668],{"class":680},"sBMFI",[674,682,684],{"class":683},"sfazB"," add",[674,686,687],{"class":683}," evlog",[674,689,690],{"class":683}," @nestjs\u002Fcommon",[674,692,693],{"class":683}," @nestjs\u002Fcore",[674,695,696],{"class":683}," @nestjs\u002Fplatform-express\n",[664,698,701],{"className":666,"code":699,"filename":700,"language":669,"meta":670,"style":670},"bun add evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","bun",[591,702,703],{"__ignoreMap":670},[674,704,705,707,709,711,713,715],{"class":676,"line":677},[674,706,700],{"class":680},[674,708,684],{"class":683},[674,710,687],{"class":683},[674,712,690],{"class":683},[674,714,693],{"class":683},[674,716,696],{"class":683},[664,718,721],{"className":666,"code":719,"filename":720,"language":669,"meta":670,"style":670},"yarn add evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","yarn",[591,722,723],{"__ignoreMap":670},[674,724,725,727,729,731,733,735],{"class":676,"line":677},[674,726,720],{"class":680},[674,728,684],{"class":683},[674,730,687],{"class":683},[674,732,690],{"class":683},[674,734,693],{"class":683},[674,736,696],{"class":683},[664,738,741],{"className":666,"code":739,"filename":740,"language":669,"meta":670,"style":670},"npm install evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","npm",[591,742,743],{"__ignoreMap":670},[674,744,745,747,750,752,754,756],{"class":676,"line":677},[674,746,740],{"class":680},[674,748,749],{"class":683}," install",[674,751,687],{"class":683},[674,753,690],{"class":683},[674,755,693],{"class":683},[674,757,696],{"class":683},[656,759,761],{"id":760},"_2-register-the-module","2. Register the module",[664,763,768],{"className":764,"code":765,"filename":766,"language":767,"meta":670,"style":670},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { Module } from '@nestjs\u002Fcommon'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\n\n@Module({\n  imports: [\n    EvlogModule.forRoot(),\n  ],\n})\nexport class AppModule {}\n","src\u002Fapp.module.ts","typescript",[591,769,770,799,819,826,842,855,873,881,890],{"__ignoreMap":670},[674,771,772,776,780,784,787,790,793,796],{"class":676,"line":677},[674,773,775],{"class":774},"s7zQu","import",[674,777,779],{"class":778},"sMK4o"," {",[674,781,783],{"class":782},"sTEyZ"," Module",[674,785,786],{"class":778}," }",[674,788,789],{"class":774}," from",[674,791,792],{"class":778}," '",[674,794,795],{"class":683},"@nestjs\u002Fcommon",[674,797,798],{"class":778},"'\n",[674,800,802,804,806,809,811,813,815,817],{"class":676,"line":801},2,[674,803,775],{"class":774},[674,805,779],{"class":778},[674,807,808],{"class":782}," EvlogModule",[674,810,786],{"class":778},[674,812,789],{"class":774},[674,814,792],{"class":778},[674,816,593],{"class":683},[674,818,798],{"class":778},[674,820,822],{"class":676,"line":821},3,[674,823,825],{"emptyLinePlaceholder":824},true,"\n",[674,827,829,832,836,839],{"class":676,"line":828},4,[674,830,831],{"class":778},"@",[674,833,835],{"class":834},"s2Zo4","Module",[674,837,838],{"class":782},"(",[674,840,841],{"class":778},"{\n",[674,843,845,849,852],{"class":676,"line":844},5,[674,846,848],{"class":847},"swJcz","  imports",[674,850,851],{"class":778},":",[674,853,854],{"class":782}," [\n",[674,856,858,861,864,867,870],{"class":676,"line":857},6,[674,859,860],{"class":782},"    EvlogModule",[674,862,863],{"class":778},".",[674,865,866],{"class":834},"forRoot",[674,868,869],{"class":782},"()",[674,871,872],{"class":778},",\n",[674,874,876,879],{"class":676,"line":875},7,[674,877,878],{"class":782},"  ]",[674,880,872],{"class":778},[674,882,884,887],{"class":676,"line":883},8,[674,885,886],{"class":778},"}",[674,888,889],{"class":782},")\n",[674,891,893,896,900,903],{"class":676,"line":892},9,[674,894,895],{"class":774},"export",[674,897,899],{"class":898},"spNyl"," class",[674,901,902],{"class":680}," AppModule",[674,904,905],{"class":778}," {}\n",[656,907,909],{"id":908},"_3-bootstrap-with-evlog","3. Bootstrap with evlog",[664,911,914],{"className":764,"code":912,"filename":913,"language":767,"meta":670,"style":670},"import 'reflect-metadata'\nimport { NestFactory } from '@nestjs\u002Fcore'\nimport { initLogger } from 'evlog'\nimport { AppModule } from '.\u002Fapp.module'\n\ninitLogger({\n  env: { service: 'my-api' },\n})\n\nconst app = await NestFactory.create(AppModule)\nawait app.listen(3000)\n","src\u002Fmain.ts",[591,915,916,927,947,967,986,990,999,1024,1030,1034,1059],{"__ignoreMap":670},[674,917,918,920,922,925],{"class":676,"line":677},[674,919,775],{"class":774},[674,921,792],{"class":778},[674,923,924],{"class":683},"reflect-metadata",[674,926,798],{"class":778},[674,928,929,931,933,936,938,940,942,945],{"class":676,"line":801},[674,930,775],{"class":774},[674,932,779],{"class":778},[674,934,935],{"class":782}," NestFactory",[674,937,786],{"class":778},[674,939,789],{"class":774},[674,941,792],{"class":778},[674,943,944],{"class":683},"@nestjs\u002Fcore",[674,946,798],{"class":778},[674,948,949,951,953,956,958,960,962,965],{"class":676,"line":821},[674,950,775],{"class":774},[674,952,779],{"class":778},[674,954,955],{"class":782}," initLogger",[674,957,786],{"class":778},[674,959,789],{"class":774},[674,961,792],{"class":778},[674,963,964],{"class":683},"evlog",[674,966,798],{"class":778},[674,968,969,971,973,975,977,979,981,984],{"class":676,"line":828},[674,970,775],{"class":774},[674,972,779],{"class":778},[674,974,902],{"class":782},[674,976,786],{"class":778},[674,978,789],{"class":774},[674,980,792],{"class":778},[674,982,983],{"class":683},".\u002Fapp.module",[674,985,798],{"class":778},[674,987,988],{"class":676,"line":844},[674,989,825],{"emptyLinePlaceholder":824},[674,991,992,995,997],{"class":676,"line":857},[674,993,994],{"class":834},"initLogger",[674,996,838],{"class":782},[674,998,841],{"class":778},[674,1000,1001,1004,1006,1008,1011,1013,1015,1018,1021],{"class":676,"line":875},[674,1002,1003],{"class":847},"  env",[674,1005,851],{"class":778},[674,1007,779],{"class":778},[674,1009,1010],{"class":847}," service",[674,1012,851],{"class":778},[674,1014,792],{"class":778},[674,1016,1017],{"class":683},"my-api",[674,1019,1020],{"class":778},"'",[674,1022,1023],{"class":778}," },\n",[674,1025,1026,1028],{"class":676,"line":883},[674,1027,886],{"class":778},[674,1029,889],{"class":782},[674,1031,1032],{"class":676,"line":892},[674,1033,825],{"emptyLinePlaceholder":824},[674,1035,1037,1040,1043,1046,1049,1051,1053,1056],{"class":676,"line":1036},10,[674,1038,1039],{"class":898},"const",[674,1041,1042],{"class":782}," app ",[674,1044,1045],{"class":778},"=",[674,1047,1048],{"class":774}," await",[674,1050,935],{"class":782},[674,1052,863],{"class":778},[674,1054,1055],{"class":834},"create",[674,1057,1058],{"class":782},"(AppModule)\n",[674,1060,1062,1065,1068,1070,1073,1075,1079],{"class":676,"line":1061},11,[674,1063,1064],{"class":774},"await",[674,1066,1067],{"class":782}," app",[674,1069,863],{"class":778},[674,1071,1072],{"class":834},"listen",[674,1074,838],{"class":782},[674,1076,1078],{"class":1077},"sbssI","3000",[674,1080,889],{"class":782},[587,1082,1083,1085],{},[591,1084,597],{}," registers as a global module, so the middleware is automatically applied to all routes.",[652,1087,51],{"id":1088},"wide-events",[587,1090,1091],{},"Build up context progressively through your controllers and services. One request = one wide event:",[664,1093,1096],{"className":764,"code":1094,"filename":1095,"language":767,"meta":670,"style":670},"import { Controller, Get, Param } from '@nestjs\u002Fcommon'\nimport { useLogger } from 'evlog\u002Fnestjs'\n\n@Controller('users')\nexport class UsersController {\n  @Get(':id')\n  async findOne(@Param('id') id: string) {\n    const log = useLogger()\n\n    log.set({ user: { id } })\n\n    const user = await db.findUser(id)\n    log.set({ user: { name: user.name, plan: user.plan } })\n\n    const orders = await db.findOrders(id)\n    log.set({ orders: { count: orders.length, totalRevenue: sum(orders) } })\n\n    return { user, orders }\n  }\n}\n","src\u002Fusers.controller.ts",[591,1097,1098,1128,1147,1151,1169,1181,1200,1239,1255,1259,1290,1294,1319,1370,1375,1400,1454,1459,1476,1482],{"__ignoreMap":670},[674,1099,1100,1102,1104,1107,1110,1113,1115,1118,1120,1122,1124,1126],{"class":676,"line":677},[674,1101,775],{"class":774},[674,1103,779],{"class":778},[674,1105,1106],{"class":782}," Controller",[674,1108,1109],{"class":778},",",[674,1111,1112],{"class":782}," Get",[674,1114,1109],{"class":778},[674,1116,1117],{"class":782}," Param",[674,1119,786],{"class":778},[674,1121,789],{"class":774},[674,1123,792],{"class":778},[674,1125,795],{"class":683},[674,1127,798],{"class":778},[674,1129,1130,1132,1134,1137,1139,1141,1143,1145],{"class":676,"line":801},[674,1131,775],{"class":774},[674,1133,779],{"class":778},[674,1135,1136],{"class":782}," 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orders",[674,1384,1249],{"class":778},[674,1386,1048],{"class":774},[674,1388,1307],{"class":782},[674,1390,863],{"class":778},[674,1392,1393],{"class":834},"findOrders",[674,1395,838],{"class":847},[674,1397,1220],{"class":782},[674,1399,889],{"class":847},[674,1401,1403,1405,1407,1409,1411,1413,1415,1417,1419,1422,1424,1426,1428,1431,1433,1436,1438,1441,1443,1446,1448,1450,1452],{"class":676,"line":1402},16,[674,1404,1263],{"class":782},[674,1406,863],{"class":778},[674,1408,1268],{"class":834},[674,1410,838],{"class":847},[674,1412,1273],{"class":778},[674,1414,1382],{"class":847},[674,1416,851],{"class":778},[674,1418,779],{"class":778},[674,1420,1421],{"class":847}," count",[674,1423,851],{"class":778},[674,1425,1382],{"class":782},[674,1427,863],{"class":778},[674,1429,1430],{"class":782},"length",[674,1432,1109],{"class":778},[674,1434,1435],{"class":847}," totalRevenue",[674,1437,851],{"class":778},[674,1439,1440],{"class":834}," sum",[674,1442,838],{"class":847},[674,1444,1445],{"class":782},"orders",[674,1447,1225],{"class":847},[674,1449,886],{"class":778},[674,1451,786],{"class":778},[674,1453,889],{"class":847},[674,1455,1457],{"class":676,"line":1456},17,[674,1458,825],{"emptyLinePlaceholder":824},[674,1460,1462,1465,1467,1469,1471,1473],{"class":676,"line":1461},18,[674,1463,1464],{"class":774},"    return",[674,1466,779],{"class":778},[674,1468,1276],{"class":782},[674,1470,1109],{"class":778},[674,1472,1382],{"class":782},[674,1474,1475],{"class":778}," }\n",[674,1477,1479],{"class":676,"line":1478},19,[674,1480,1481],{"class":778},"  }\n",[674,1483,1485],{"class":676,"line":1484},20,[674,1486,1487],{"class":778},"}\n",[587,1489,1490],{},"All fields are merged into a single wide event emitted when the request completes:",[664,1492,1495],{"className":666,"code":1493,"filename":1494,"language":669,"meta":670,"style":670},"14:58:15 INFO [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n  ├─ orders: count=2 totalRevenue=6298\n  ├─ user: id=usr_123 name=Alice plan=pro\n  └─ requestId: 4a8ff3a8-...\n","Terminal output",[591,1496,1497,1508,1528,1544],{"__ignoreMap":670},[674,1498,1499,1502,1505],{"class":676,"line":677},[674,1500,1501],{"class":680},"14:58:15",[674,1503,1504],{"class":683}," INFO",[674,1506,1507],{"class":782}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[674,1509,1510,1513,1516,1519,1522,1525],{"class":676,"line":801},[674,1511,1512],{"class":680},"  ├─",[674,1514,1515],{"class":683}," orders:",[674,1517,1518],{"class":683}," count=",[674,1520,1521],{"class":1077},"2",[674,1523,1524],{"class":683}," totalRevenue=",[674,1526,1527],{"class":1077},"6298\n",[674,1529,1530,1532,1535,1538,1541],{"class":676,"line":821},[674,1531,1512],{"class":680},[674,1533,1534],{"class":683}," user:",[674,1536,1537],{"class":683}," id=usr_123",[674,1539,1540],{"class":683}," name=Alice",[674,1542,1543],{"class":683}," plan=pro\n",[674,1545,1546,1549,1552],{"class":676,"line":828},[674,1547,1548],{"class":680},"  └─",[674,1550,1551],{"class":683}," requestId:",[674,1553,1554],{"class":683}," 4a8ff3a8-...\n",[652,1556,601],{"id":1557},"uselogger",[587,1559,1560,1561,1563],{},"Use ",[591,1562,601],{}," to access the request-scoped logger from anywhere in the call stack without injecting the request object through your service layer:",[664,1565,1568],{"className":764,"code":1566,"filename":1567,"language":767,"meta":670,"style":670},"import { useLogger } from 'evlog\u002Fnestjs'\n\nexport class UsersService {\n  async findUser(id: string) {\n    const log = useLogger()\n    log.set({ user: { id } })\n\n    const user = await db.findUser(id)\n    log.set({ user: { name: user.name, plan: user.plan } })\n\n    return user\n  }\n}\n","src\u002Fusers.service.ts",[591,1569,1570,1588,1592,1603,1622,1634,1660,1664,1686,1732,1736,1743,1747],{"__ignoreMap":670},[674,1571,1572,1574,1576,1578,1580,1582,1584,1586],{"class":676,"line":677},[674,1573,775],{"class":774},[674,1575,779],{"class":778},[674,1577,1136],{"class":782},[674,1579,786],{"class":778},[674,1581,789],{"class":774},[674,1583,792],{"class":778},[674,1585,593],{"class":683},[674,1587,798],{"class":778},[674,1589,1590],{"class":676,"line":801},[674,1591,825],{"emptyLinePlaceholder":824},[674,1593,1594,1596,1598,1601],{"class":676,"line":821},[674,1595,895],{"class":774},[674,1597,899],{"class":898},[674,1599,1600],{"class":680}," UsersService",[674,1602,1180],{"class":778},[674,1604,1605,1607,1610,1612,1614,1616,1618,1620],{"class":676,"line":828},[674,1606,1204],{"class":898},[674,1608,1609],{"class":847}," findUser",[674,1611,838],{"class":778},[674,1613,1220],{"class":1228},[674,1615,851],{"class":778},[674,1617,1233],{"class":680},[674,1619,1236],{"class":778},[674,1621,1180],{"class":778},[674,1623,1624,1626,1628,1630,1632],{"class":676,"line":844},[674,1625,1243],{"class":898},[674,1627,1246],{"class":782},[674,1629,1249],{"class":778},[674,1631,1136],{"class":834},[674,1633,1254],{"class":847},[674,1635,1636,1638,1640,1642,1644,1646,1648,1650,1652,1654,1656,1658],{"class":676,"line":857},[674,1637,1263],{"class":782},[674,1639,863],{"class":778},[674,1641,1268],{"class":834},[674,1643,838],{"class":847},[674,1645,1273],{"class":778},[674,1647,1276],{"class":847},[674,1649,851],{"class":778},[674,1651,779],{"class":778},[674,1653,1283],{"class":782},[674,1655,786],{"class":778},[674,1657,786],{"class":778},[674,1659,889],{"class":847},[674,1661,1662],{"class":676,"line":875},[674,1663,825],{"emptyLinePlaceholder":824},[674,1665,1666,1668,1670,1672,1674,1676,1678,1680,1682,1684],{"class":676,"line":883},[674,1667,1243],{"class":898},[674,1669,1276],{"class":782},[674,1671,1249],{"class":778},[674,1673,1048],{"class":774},[674,1675,1307],{"class":782},[674,1677,863],{"class":778},[674,1679,1312],{"class":834},[674,1681,838],{"class":847},[674,1683,1220],{"class":782},[674,1685,889],{"class":847},[674,1687,1688,1690,1692,1694,1696,1698,1700,1702,1704,1706,1708,1710,1712,1714,1716,1718,1720,1722,1724,1726,1728,1730],{"class":676,"line":892},[674,1689,1263],{"class":782},[674,1691,863],{"class":778},[674,1693,1268],{"class":834},[674,1695,838],{"class":847},[674,1697,1273],{"class":778},[674,1699,1276],{"class":847},[674,1701,851],{"class":778},[674,1703,779],{"class":778},[674,1705,1340],{"class":847},[674,1707,851],{"class":778},[674,1709,1276],{"class":782},[674,1711,863],{"class":778},[674,1713,1349],{"class":782},[674,1715,1109],{"class":778},[674,1717,1354],{"class":847},[674,1719,851],{"class":778},[674,1721,1276],{"class":782},[674,1723,863],{"class":778},[674,1725,1363],{"class":782},[674,1727,786],{"class":778},[674,1729,786],{"class":778},[674,1731,889],{"class":847},[674,1733,1734],{"class":676,"line":1036},[674,1735,825],{"emptyLinePlaceholder":824},[674,1737,1738,1740],{"class":676,"line":1061},[674,1739,1464],{"class":774},[674,1741,1742],{"class":782}," user\n",[674,1744,1745],{"class":676,"line":1296},[674,1746,1481],{"class":778},[674,1748,1749],{"class":676,"line":1321},[674,1750,1487],{"class":778},[664,1752,1754],{"className":764,"code":1753,"filename":1095,"language":767,"meta":670,"style":670},"@Controller('users')\nexport class UsersController {\n  @Get(':id')\n  findOne(@Param('id') id: string) {\n    return this.usersService.findUser(id)\n  }\n}\n",[591,1755,1756,1772,1782,1798,1827,1847,1851],{"__ignoreMap":670},[674,1757,1758,1760,1762,1764,1766,1768,1770],{"class":676,"line":677},[674,1759,831],{"class":778},[674,1761,1157],{"class":834},[674,1763,838],{"class":782},[674,1765,1020],{"class":778},[674,1767,1164],{"class":683},[674,1769,1020],{"class":778},[674,1771,889],{"class":782},[674,1773,1774,1776,1778,1780],{"class":676,"line":801},[674,1775,895],{"class":774},[674,1777,899],{"class":898},[674,1779,1177],{"class":680},[674,1781,1180],{"class":778},[674,1783,1784,1786,1788,1790,1792,1794,1796],{"class":676,"line":821},[674,1785,1185],{"class":778},[674,1787,1188],{"class":834},[674,1789,838],{"class":782},[674,1791,1020],{"class":778},[674,1793,1195],{"class":683},[674,1795,1020],{"class":778},[674,1797,889],{"class":782},[674,1799,1800,1803,1805,1807,1809,1811,1813,1815,1817,1819,1821,1823,1825],{"class":676,"line":828},[674,1801,1802],{"class":847},"  findOne",[674,1804,1210],{"class":778},[674,1806,1213],{"class":834},[674,1808,838],{"class":782},[674,1810,1020],{"class":778},[674,1812,1220],{"class":683},[674,1814,1020],{"class":778},[674,1816,1225],{"class":782},[674,1818,1220],{"class":1228},[674,1820,851],{"class":778},[674,1822,1233],{"class":680},[674,1824,1236],{"class":778},[674,1826,1180],{"class":778},[674,1828,1829,1831,1834,1837,1839,1841,1843,1845],{"class":676,"line":844},[674,1830,1464],{"class":774},[674,1832,1833],{"class":778}," this.",[674,1835,1836],{"class":782},"usersService",[674,1838,863],{"class":778},[674,1840,1312],{"class":834},[674,1842,838],{"class":847},[674,1844,1220],{"class":782},[674,1846,889],{"class":847},[674,1848,1849],{"class":676,"line":857},[674,1850,1481],{"class":778},[674,1852,1853],{"class":676,"line":875},[674,1854,1487],{"class":778},[587,1856,1857,1858,1860,1861,1863,1864,1866,1867,1870],{},"Both ",[591,1859,605],{}," and ",[591,1862,601],{}," return the same logger instance. ",[591,1865,601],{}," uses ",[591,1868,1869],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[652,1872,1874,1875,1236],{"id":1873},"background-work-logfork","Background work (",[591,1876,1877],{},"log.fork",[587,1879,1560,1880,1883,1884,1886,1887,1891],{},[591,1881,1882],{},"req.log.fork(label, fn)"," (or the logger from ",[591,1885,601],{}," in the same request) for child wide events. See ",[641,1888,1890],{"href":1889},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[664,1893,1896],{"className":764,"code":1894,"filename":1895,"language":767,"meta":670,"style":670},"import { useLogger } from 'evlog\u002Fnestjs'\n\n@Post()\ncreate(@Req() req: Express.Request) {\n  req.log.fork!('enqueue', async () => {\n    const log = useLogger()\n    log.set({ queued: true })\n  })\n  return { ok: true }\n}\n","src\u002Forders.controller.ts",[591,1897,1898,1916,1920,1929,1948,1988,2000,2025,2032,2048],{"__ignoreMap":670},[674,1899,1900,1902,1904,1906,1908,1910,1912,1914],{"class":676,"line":677},[674,1901,775],{"class":774},[674,1903,779],{"class":778},[674,1905,1136],{"class":782},[674,1907,786],{"class":778},[674,1909,789],{"class":774},[674,1911,792],{"class":778},[674,1913,593],{"class":683},[674,1915,798],{"class":778},[674,1917,1918],{"class":676,"line":801},[674,1919,825],{"emptyLinePlaceholder":824},[674,1921,1922,1924,1927],{"class":676,"line":821},[674,1923,831],{"class":778},[674,1925,1926],{"class":834},"Post",[674,1928,1254],{"class":782},[674,1930,1931,1933,1935,1938,1941,1943,1946],{"class":676,"line":828},[674,1932,1055],{"class":834},[674,1934,1210],{"class":782},[674,1936,1937],{"class":834},"Req",[674,1939,1940],{"class":782},"() req: Express",[674,1942,863],{"class":778},[674,1944,1945],{"class":782},"Request) ",[674,1947,841],{"class":778},[674,1949,1950,1953,1955,1958,1960,1963,1966,1968,1970,1973,1975,1977,1980,1983,1986],{"class":676,"line":844},[674,1951,1952],{"class":782},"  req",[674,1954,863],{"class":778},[674,1956,1957],{"class":782},"log",[674,1959,863],{"class":778},[674,1961,1962],{"class":834},"fork",[674,1964,1965],{"class":778},"!",[674,1967,838],{"class":847},[674,1969,1020],{"class":778},[674,1971,1972],{"class":683},"enqueue",[674,1974,1020],{"class":778},[674,1976,1109],{"class":778},[674,1978,1979],{"class":898}," async",[674,1981,1982],{"class":778}," ()",[674,1984,1985],{"class":898}," =>",[674,1987,1180],{"class":778},[674,1989,1990,1992,1994,1996,1998],{"class":676,"line":857},[674,1991,1243],{"class":898},[674,1993,1246],{"class":782},[674,1995,1249],{"class":778},[674,1997,1136],{"class":834},[674,1999,1254],{"class":847},[674,2001,2002,2004,2006,2008,2010,2012,2015,2017,2021,2023],{"class":676,"line":875},[674,2003,1263],{"class":782},[674,2005,863],{"class":778},[674,2007,1268],{"class":834},[674,2009,838],{"class":847},[674,2011,1273],{"class":778},[674,2013,2014],{"class":847}," queued",[674,2016,851],{"class":778},[674,2018,2020],{"class":2019},"sfNiH"," true",[674,2022,786],{"class":778},[674,2024,889],{"class":847},[674,2026,2027,2030],{"class":676,"line":883},[674,2028,2029],{"class":778},"  }",[674,2031,889],{"class":847},[674,2033,2034,2037,2039,2042,2044,2046],{"class":676,"line":892},[674,2035,2036],{"class":774},"  return",[674,2038,779],{"class":778},[674,2040,2041],{"class":847}," ok",[674,2043,851],{"class":778},[674,2045,2020],{"class":2019},[674,2047,1475],{"class":778},[674,2049,2050],{"class":676,"line":1036},[674,2051,1487],{"class":778},[652,2053,2055],{"id":2054},"error-handling","Error Handling",[587,2057,1560,2058,2061,2062,2065,2066,2069,2070,2073],{},[591,2059,2060],{},"createError"," for structured errors with ",[591,2063,2064],{},"why",", ",[591,2067,2068],{},"fix",", and ",[591,2071,2072],{},"link"," fields. Create a NestJS exception filter to log and format errors:",[664,2075,2078],{"className":764,"code":2076,"filename":2077,"language":767,"meta":670,"style":670},"import { Catch } from '@nestjs\u002Fcommon'\nimport type { ExceptionFilter, ArgumentsHost } from '@nestjs\u002Fcommon'\nimport { parseError } from 'evlog'\nimport { useLogger } from 'evlog\u002Fnestjs'\n\n@Catch()\nexport class EvlogExceptionFilter implements ExceptionFilter {\n  catch(exception: unknown, host: ArgumentsHost) {\n    const response = host.switchToHttp().getResponse()\n    const error = exception instanceof Error ? exception : new Error(String(exception))\n\n    try {\n      useLogger().error(error)\n    } catch {\n      \u002F\u002F Outside an evlog request scope — log is unavailable\n    }\n\n    const parsed = parseError(error)\n    response.status(parsed.status).json({\n      message: parsed.message,\n      why: parsed.why,\n      fix: parsed.fix,\n      link: parsed.link,\n    })\n  }\n}\n","src\u002Fevlog-exception.filter.ts",[591,2079,2080,2099,2126,2145,2163,2167,2176,2192,2220,2245,2288,2292,2299,2317,2327,2333,2338,2342,2359,2389,2405,2421,2437,2453,2460,2465],{"__ignoreMap":670},[674,2081,2082,2084,2086,2089,2091,2093,2095,2097],{"class":676,"line":677},[674,2083,775],{"class":774},[674,2085,779],{"class":778},[674,2087,2088],{"class":782}," Catch",[674,2090,786],{"class":778},[674,2092,789],{"class":774},[674,2094,792],{"class":778},[674,2096,795],{"class":683},[674,2098,798],{"class":778},[674,2100,2101,2103,2106,2108,2111,2113,2116,2118,2120,2122,2124],{"class":676,"line":801},[674,2102,775],{"class":774},[674,2104,2105],{"class":774}," type",[674,2107,779],{"class":778},[674,2109,2110],{"class":782}," ExceptionFilter",[674,2112,1109],{"class":778},[674,2114,2115],{"class":782}," ArgumentsHost",[674,2117,786],{"class":778},[674,2119,789],{"class":774},[674,2121,792],{"class":778},[674,2123,795],{"class":683},[674,2125,798],{"class":778},[674,2127,2128,2130,2132,2135,2137,2139,2141,2143],{"class":676,"line":821},[674,2129,775],{"class":774},[674,2131,779],{"class":778},[674,2133,2134],{"class":782}," parseError",[674,2136,786],{"class":778},[674,2138,789],{"class":774},[674,2140,792],{"class":778},[674,2142,964],{"class":683},[674,2144,798],{"class":778},[674,2146,2147,2149,2151,2153,2155,2157,2159,2161],{"class":676,"line":828},[674,2148,775],{"class":774},[674,2150,779],{"class":778},[674,2152,1136],{"class":782},[674,2154,786],{"class":778},[674,2156,789],{"class":774},[674,2158,792],{"class":778},[674,2160,593],{"class":683},[674,2162,798],{"class":778},[674,2164,2165],{"class":676,"line":844},[674,2166,825],{"emptyLinePlaceholder":824},[674,2168,2169,2171,2174],{"class":676,"line":857},[674,2170,831],{"class":778},[674,2172,2173],{"class":834},"Catch",[674,2175,1254],{"class":782},[674,2177,2178,2180,2182,2185,2188,2190],{"class":676,"line":875},[674,2179,895],{"class":774},[674,2181,899],{"class":898},[674,2183,2184],{"class":680}," EvlogExceptionFilter",[674,2186,2187],{"class":898}," implements",[674,2189,2110],{"class":680},[674,2191,1180],{"class":778},[674,2193,2194,2197,2199,2202,2204,2207,2209,2212,2214,2216,2218],{"class":676,"line":883},[674,2195,2196],{"class":847},"  catch",[674,2198,838],{"class":778},[674,2200,2201],{"class":1228},"exception",[674,2203,851],{"class":778},[674,2205,2206],{"class":680}," unknown",[674,2208,1109],{"class":778},[674,2210,2211],{"class":1228}," host",[674,2213,851],{"class":778},[674,2215,2115],{"class":680},[674,2217,1236],{"class":778},[674,2219,1180],{"class":778},[674,2221,2222,2224,2227,2229,2231,2233,2236,2238,2240,2243],{"class":676,"line":892},[674,2223,1243],{"class":898},[674,2225,2226],{"class":782}," response",[674,2228,1249],{"class":778},[674,2230,2211],{"class":782},[674,2232,863],{"class":778},[674,2234,2235],{"class":834},"switchToHttp",[674,2237,869],{"class":847},[674,2239,863],{"class":778},[674,2241,2242],{"class":834},"getResponse",[674,2244,1254],{"class":847},[674,2246,2247,2249,2252,2254,2257,2260,2263,2266,2268,2271,2274,2276,2278,2281,2283,2285],{"class":676,"line":1036},[674,2248,1243],{"class":898},[674,2250,2251],{"class":782}," error",[674,2253,1249],{"class":778},[674,2255,2256],{"class":782}," exception",[674,2258,2259],{"class":778}," instanceof",[674,2261,2262],{"class":680}," Error",[674,2264,2265],{"class":778}," ?",[674,2267,2256],{"class":782},[674,2269,2270],{"class":778}," :",[674,2272,2273],{"class":778}," new",[674,2275,2262],{"class":834},[674,2277,838],{"class":847},[674,2279,2280],{"class":834},"String",[674,2282,838],{"class":847},[674,2284,2201],{"class":782},[674,2286,2287],{"class":847},"))\n",[674,2289,2290],{"class":676,"line":1061},[674,2291,825],{"emptyLinePlaceholder":824},[674,2293,2294,2297],{"class":676,"line":1296},[674,2295,2296],{"class":774},"    try",[674,2298,1180],{"class":778},[674,2300,2301,2304,2306,2308,2311,2313,2315],{"class":676,"line":1321},[674,2302,2303],{"class":834},"      useLogger",[674,2305,869],{"class":847},[674,2307,863],{"class":778},[674,2309,2310],{"class":834},"error",[674,2312,838],{"class":847},[674,2314,2310],{"class":782},[674,2316,889],{"class":847},[674,2318,2319,2322,2325],{"class":676,"line":1372},[674,2320,2321],{"class":778},"    }",[674,2323,2324],{"class":774}," catch",[674,2326,1180],{"class":778},[674,2328,2329],{"class":676,"line":1377},[674,2330,2332],{"class":2331},"sHwdD","      \u002F\u002F Outside an evlog request scope — log is unavailable\n",[674,2334,2335],{"class":676,"line":1402},[674,2336,2337],{"class":778},"    }\n",[674,2339,2340],{"class":676,"line":1456},[674,2341,825],{"emptyLinePlaceholder":824},[674,2343,2344,2346,2349,2351,2353,2355,2357],{"class":676,"line":1461},[674,2345,1243],{"class":898},[674,2347,2348],{"class":782}," parsed",[674,2350,1249],{"class":778},[674,2352,2134],{"class":834},[674,2354,838],{"class":847},[674,2356,2310],{"class":782},[674,2358,889],{"class":847},[674,2360,2361,2364,2366,2369,2371,2374,2376,2378,2380,2382,2385,2387],{"class":676,"line":1478},[674,2362,2363],{"class":782},"    response",[674,2365,863],{"class":778},[674,2367,2368],{"class":834},"status",[674,2370,838],{"class":847},[674,2372,2373],{"class":782},"parsed",[674,2375,863],{"class":778},[674,2377,2368],{"class":782},[674,2379,1236],{"class":847},[674,2381,863],{"class":778},[674,2383,2384],{"class":834},"json",[674,2386,838],{"class":847},[674,2388,841],{"class":778},[674,2390,2391,2394,2396,2398,2400,2403],{"class":676,"line":1484},[674,2392,2393],{"class":847},"      message",[674,2395,851],{"class":778},[674,2397,2348],{"class":782},[674,2399,863],{"class":778},[674,2401,2402],{"class":782},"message",[674,2404,872],{"class":778},[674,2406,2408,2411,2413,2415,2417,2419],{"class":676,"line":2407},21,[674,2409,2410],{"class":847},"      why",[674,2412,851],{"class":778},[674,2414,2348],{"class":782},[674,2416,863],{"class":778},[674,2418,2064],{"class":782},[674,2420,872],{"class":778},[674,2422,2424,2427,2429,2431,2433,2435],{"class":676,"line":2423},22,[674,2425,2426],{"class":847},"      fix",[674,2428,851],{"class":778},[674,2430,2348],{"class":782},[674,2432,863],{"class":778},[674,2434,2068],{"class":782},[674,2436,872],{"class":778},[674,2438,2440,2443,2445,2447,2449,2451],{"class":676,"line":2439},23,[674,2441,2442],{"class":847},"      link",[674,2444,851],{"class":778},[674,2446,2348],{"class":782},[674,2448,863],{"class":778},[674,2450,2072],{"class":782},[674,2452,872],{"class":778},[674,2454,2456,2458],{"class":676,"line":2455},24,[674,2457,2321],{"class":778},[674,2459,889],{"class":847},[674,2461,2463],{"class":676,"line":2462},25,[674,2464,1481],{"class":778},[674,2466,2468],{"class":676,"line":2467},26,[674,2469,1487],{"class":778},[587,2471,2472],{},"Apply it to your controllers:",[664,2474,2477],{"className":764,"code":2475,"filename":2476,"language":767,"meta":670,"style":670},"import { Controller, Get, UseFilters } from '@nestjs\u002Fcommon'\nimport { createError } from 'evlog'\nimport { EvlogExceptionFilter } from '.\u002Fevlog-exception.filter'\n\n@Controller()\n@UseFilters(new EvlogExceptionFilter())\nexport class CheckoutController {\n  @Get('checkout')\n  checkout() {\n    throw createError({\n      message: 'Payment failed',\n      status: 402,\n      why: 'Card declined by issuer',\n      fix: 'Try a different payment method',\n      link: 'https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined',\n    })\n  }\n}\n","src\u002Fcheckout.controller.ts",[591,2478,2479,2506,2525,2544,2548,2556,2573,2584,2601,2610,2621,2636,2648,2663,2678,2693,2699,2703],{"__ignoreMap":670},[674,2480,2481,2483,2485,2487,2489,2491,2493,2496,2498,2500,2502,2504],{"class":676,"line":677},[674,2482,775],{"class":774},[674,2484,779],{"class":778},[674,2486,1106],{"class":782},[674,2488,1109],{"class":778},[674,2490,1112],{"class":782},[674,2492,1109],{"class":778},[674,2494,2495],{"class":782}," UseFilters",[674,2497,786],{"class":778},[674,2499,789],{"class":774},[674,2501,792],{"class":778},[674,2503,795],{"class":683},[674,2505,798],{"class":778},[674,2507,2508,2510,2512,2515,2517,2519,2521,2523],{"class":676,"line":801},[674,2509,775],{"class":774},[674,2511,779],{"class":778},[674,2513,2514],{"class":782}," createError",[674,2516,786],{"class":778},[674,2518,789],{"class":774},[674,2520,792],{"class":778},[674,2522,964],{"class":683},[674,2524,798],{"class":778},[674,2526,2527,2529,2531,2533,2535,2537,2539,2542],{"class":676,"line":821},[674,2528,775],{"class":774},[674,2530,779],{"class":778},[674,2532,2184],{"class":782},[674,2534,786],{"class":778},[674,2536,789],{"class":774},[674,2538,792],{"class":778},[674,2540,2541],{"class":683},".\u002Fevlog-exception.filter",[674,2543,798],{"class":778},[674,2545,2546],{"class":676,"line":828},[674,2547,825],{"emptyLinePlaceholder":824},[674,2549,2550,2552,2554],{"class":676,"line":844},[674,2551,831],{"class":778},[674,2553,1157],{"class":834},[674,2555,1254],{"class":782},[674,2557,2558,2560,2563,2565,2568,2570],{"class":676,"line":857},[674,2559,831],{"class":778},[674,2561,2562],{"class":834},"UseFilters",[674,2564,838],{"class":782},[674,2566,2567],{"class":778},"new",[674,2569,2184],{"class":834},[674,2571,2572],{"class":782},"())\n",[674,2574,2575,2577,2579,2582],{"class":676,"line":875},[674,2576,895],{"class":774},[674,2578,899],{"class":898},[674,2580,2581],{"class":680}," CheckoutController",[674,2583,1180],{"class":778},[674,2585,2586,2588,2590,2592,2594,2597,2599],{"class":676,"line":883},[674,2587,1185],{"class":778},[674,2589,1188],{"class":834},[674,2591,838],{"class":782},[674,2593,1020],{"class":778},[674,2595,2596],{"class":683},"checkout",[674,2598,1020],{"class":778},[674,2600,889],{"class":782},[674,2602,2603,2606,2608],{"class":676,"line":892},[674,2604,2605],{"class":847},"  checkout",[674,2607,869],{"class":778},[674,2609,1180],{"class":778},[674,2611,2612,2615,2617,2619],{"class":676,"line":1036},[674,2613,2614],{"class":774},"    throw",[674,2616,2514],{"class":834},[674,2618,838],{"class":847},[674,2620,841],{"class":778},[674,2622,2623,2625,2627,2629,2632,2634],{"class":676,"line":1061},[674,2624,2393],{"class":847},[674,2626,851],{"class":778},[674,2628,792],{"class":778},[674,2630,2631],{"class":683},"Payment failed",[674,2633,1020],{"class":778},[674,2635,872],{"class":778},[674,2637,2638,2641,2643,2646],{"class":676,"line":1296},[674,2639,2640],{"class":847},"      status",[674,2642,851],{"class":778},[674,2644,2645],{"class":1077}," 402",[674,2647,872],{"class":778},[674,2649,2650,2652,2654,2656,2659,2661],{"class":676,"line":1321},[674,2651,2410],{"class":847},[674,2653,851],{"class":778},[674,2655,792],{"class":778},[674,2657,2658],{"class":683},"Card declined by issuer",[674,2660,1020],{"class":778},[674,2662,872],{"class":778},[674,2664,2665,2667,2669,2671,2674,2676],{"class":676,"line":1372},[674,2666,2426],{"class":847},[674,2668,851],{"class":778},[674,2670,792],{"class":778},[674,2672,2673],{"class":683},"Try a different payment method",[674,2675,1020],{"class":778},[674,2677,872],{"class":778},[674,2679,2680,2682,2684,2686,2689,2691],{"class":676,"line":1377},[674,2681,2442],{"class":847},[674,2683,851],{"class":778},[674,2685,792],{"class":778},[674,2687,2688],{"class":683},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[674,2690,1020],{"class":778},[674,2692,872],{"class":778},[674,2694,2695,2697],{"class":676,"line":1402},[674,2696,2321],{"class":778},[674,2698,889],{"class":847},[674,2700,2701],{"class":676,"line":1456},[674,2702,1481],{"class":778},[674,2704,2705],{"class":676,"line":1461},[674,2706,1487],{"class":778},[587,2708,2709],{},"The error is captured and logged with both the custom context and structured error fields:",[664,2711,2713],{"className":666,"code":2712,"filename":1494,"language":669,"meta":670,"style":670},"14:58:20 ERROR [my-api] GET \u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  └─ requestId: 880a50ac-...\n",[591,2714,2715,2726,2748],{"__ignoreMap":670},[674,2716,2717,2720,2723],{"class":676,"line":677},[674,2718,2719],{"class":680},"14:58:20",[674,2721,2722],{"class":683}," ERROR",[674,2724,2725],{"class":782}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[674,2727,2728,2730,2733,2736,2739,2742,2745],{"class":676,"line":801},[674,2729,1512],{"class":680},[674,2731,2732],{"class":683}," error:",[674,2734,2735],{"class":683}," name=EvlogError",[674,2737,2738],{"class":683}," message=Payment",[674,2740,2741],{"class":683}," failed",[674,2743,2744],{"class":683}," status=",[674,2746,2747],{"class":1077},"402\n",[674,2749,2750,2752,2754],{"class":676,"line":821},[674,2751,1548],{"class":680},[674,2753,1551],{"class":683},[674,2755,2756],{"class":683}," 880a50ac-...\n",[652,2758,526],{"id":2759},"configuration",[587,2761,2762,2763,2766,2767,2769],{},"See the ",[641,2764,2765],{"href":527},"Configuration reference"," for all available options (",[591,2768,994],{},", middleware options, sampling, silent mode, etc.).",[652,2771,2773],{"id":2772},"drain-enrichers","Drain & Enrichers",[587,2775,2776,2777,851],{},"Configure drain adapters and enrichers in ",[591,2778,597],{},[664,2780,2782],{"className":764,"code":2781,"filename":766,"language":767,"meta":670,"style":670},"import { Module } from '@nestjs\u002Fcommon'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\n\nconst userAgent = createUserAgentEnricher()\n\n@Module({\n  imports: [\n    EvlogModule.forRoot({\n      drain: createAxiomDrain(),\n      enrich: (ctx) => {\n        userAgent(ctx)\n        ctx.event.region = process.env.FLY_REGION\n      },\n    }),\n  ],\n})\nexport class AppModule {}\n",[591,2783,2784,2802,2820,2840,2860,2864,2877,2881,2891,2899,2911,2924,2943,2954,2984,2989,2997,3003,3009],{"__ignoreMap":670},[674,2785,2786,2788,2790,2792,2794,2796,2798,2800],{"class":676,"line":677},[674,2787,775],{"class":774},[674,2789,779],{"class":778},[674,2791,783],{"class":782},[674,2793,786],{"class":778},[674,2795,789],{"class":774},[674,2797,792],{"class":778},[674,2799,795],{"class":683},[674,2801,798],{"class":778},[674,2803,2804,2806,2808,2810,2812,2814,2816,2818],{"class":676,"line":801},[674,2805,775],{"class":774},[674,2807,779],{"class":778},[674,2809,808],{"class":782},[674,2811,786],{"class":778},[674,2813,789],{"class":774},[674,2815,792],{"class":778},[674,2817,593],{"class":683},[674,2819,798],{"class":778},[674,2821,2822,2824,2826,2829,2831,2833,2835,2838],{"class":676,"line":821},[674,2823,775],{"class":774},[674,2825,779],{"class":778},[674,2827,2828],{"class":782}," createAxiomDrain",[674,2830,786],{"class":778},[674,2832,789],{"class":774},[674,2834,792],{"class":778},[674,2836,2837],{"class":683},"evlog\u002Faxiom",[674,2839,798],{"class":778},[674,2841,2842,2844,2846,2849,2851,2853,2855,2858],{"class":676,"line":828},[674,2843,775],{"class":774},[674,2845,779],{"class":778},[674,2847,2848],{"class":782}," createUserAgentEnricher",[674,2850,786],{"class":778},[674,2852,789],{"class":774},[674,2854,792],{"class":778},[674,2856,2857],{"class":683},"evlog\u002Fenrichers",[674,2859,798],{"class":778},[674,2861,2862],{"class":676,"line":844},[674,2863,825],{"emptyLinePlaceholder":824},[674,2865,2866,2868,2871,2873,2875],{"class":676,"line":857},[674,2867,1039],{"class":898},[674,2869,2870],{"class":782}," userAgent ",[674,2872,1045],{"class":778},[674,2874,2848],{"class":834},[674,2876,1254],{"class":782},[674,2878,2879],{"class":676,"line":875},[674,2880,825],{"emptyLinePlaceholder":824},[674,2882,2883,2885,2887,2889],{"class":676,"line":883},[674,2884,831],{"class":778},[674,2886,835],{"class":834},[674,2888,838],{"class":782},[674,2890,841],{"class":778},[674,2892,2893,2895,2897],{"class":676,"line":892},[674,2894,848],{"class":847},[674,2896,851],{"class":778},[674,2898,854],{"class":782},[674,2900,2901,2903,2905,2907,2909],{"class":676,"line":1036},[674,2902,860],{"class":782},[674,2904,863],{"class":778},[674,2906,866],{"class":834},[674,2908,838],{"class":782},[674,2910,841],{"class":778},[674,2912,2913,2916,2918,2920,2922],{"class":676,"line":1061},[674,2914,2915],{"class":847},"      drain",[674,2917,851],{"class":778},[674,2919,2828],{"class":834},[674,2921,869],{"class":782},[674,2923,872],{"class":778},[674,2925,2926,2929,2931,2934,2937,2939,2941],{"class":676,"line":1296},[674,2927,2928],{"class":834},"      enrich",[674,2930,851],{"class":778},[674,2932,2933],{"class":778}," (",[674,2935,2936],{"class":1228},"ctx",[674,2938,1236],{"class":778},[674,2940,1985],{"class":898},[674,2942,1180],{"class":778},[674,2944,2945,2948,2950,2952],{"class":676,"line":1321},[674,2946,2947],{"class":834},"        userAgent",[674,2949,838],{"class":847},[674,2951,2936],{"class":782},[674,2953,889],{"class":847},[674,2955,2956,2959,2961,2964,2966,2969,2971,2974,2976,2979,2981],{"class":676,"line":1372},[674,2957,2958],{"class":782},"        ctx",[674,2960,863],{"class":778},[674,2962,2963],{"class":782},"event",[674,2965,863],{"class":778},[674,2967,2968],{"class":782},"region",[674,2970,1249],{"class":778},[674,2972,2973],{"class":782}," process",[674,2975,863],{"class":778},[674,2977,2978],{"class":782},"env",[674,2980,863],{"class":778},[674,2982,2983],{"class":782},"FLY_REGION\n",[674,2985,2986],{"class":676,"line":1377},[674,2987,2988],{"class":778},"      },\n",[674,2990,2991,2993,2995],{"class":676,"line":1402},[674,2992,2321],{"class":778},[674,2994,1236],{"class":782},[674,2996,872],{"class":778},[674,2998,2999,3001],{"class":676,"line":1456},[674,3000,878],{"class":782},[674,3002,872],{"class":778},[674,3004,3005,3007],{"class":676,"line":1461},[674,3006,886],{"class":778},[674,3008,889],{"class":782},[674,3010,3011,3013,3015,3017],{"class":676,"line":1478},[674,3012,895],{"class":774},[674,3014,899],{"class":898},[674,3016,902],{"class":680},[674,3018,905],{"class":778},[656,3020,3022],{"id":3021},"async-configuration","Async Configuration",[587,3024,1560,3025,3028,3029,3032],{},[591,3026,3027],{},"forRootAsync()"," when options depend on other providers (e.g. ",[591,3030,3031],{},"ConfigService","):",[664,3034,3036],{"className":764,"code":3035,"filename":766,"language":767,"meta":670,"style":670},"import { Module } from '@nestjs\u002Fcommon'\nimport { ConfigModule, ConfigService } from '@nestjs\u002Fconfig'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\n@Module({\n  imports: [\n    ConfigModule.forRoot(),\n    EvlogModule.forRootAsync({\n      imports: [ConfigModule],\n      inject: [ConfigService],\n      useFactory: (config: ConfigService) => ({\n        drain: createAxiomDrain({ apiKey: config.get('AXIOM_API_KEY') }),\n      }),\n    }),\n  ],\n})\nexport class AppModule {}\n",[591,3037,3038,3056,3081,3099,3117,3121,3131,3139,3152,3165,3177,3189,3213,3256,3265,3273,3279,3285],{"__ignoreMap":670},[674,3039,3040,3042,3044,3046,3048,3050,3052,3054],{"class":676,"line":677},[674,3041,775],{"class":774},[674,3043,779],{"class":778},[674,3045,783],{"class":782},[674,3047,786],{"class":778},[674,3049,789],{"class":774},[674,3051,792],{"class":778},[674,3053,795],{"class":683},[674,3055,798],{"class":778},[674,3057,3058,3060,3062,3065,3067,3070,3072,3074,3076,3079],{"class":676,"line":801},[674,3059,775],{"class":774},[674,3061,779],{"class":778},[674,3063,3064],{"class":782}," ConfigModule",[674,3066,1109],{"class":778},[674,3068,3069],{"class":782}," 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useFactory",[674,3195,851],{"class":778},[674,3197,2933],{"class":778},[674,3199,3200],{"class":1228},"config",[674,3202,851],{"class":778},[674,3204,3069],{"class":680},[674,3206,1236],{"class":778},[674,3208,1985],{"class":898},[674,3210,2933],{"class":782},[674,3212,841],{"class":778},[674,3214,3215,3218,3220,3222,3224,3226,3229,3231,3234,3236,3239,3241,3243,3246,3248,3250,3252,3254],{"class":676,"line":1321},[674,3216,3217],{"class":847},"        drain",[674,3219,851],{"class":778},[674,3221,2828],{"class":834},[674,3223,838],{"class":782},[674,3225,1273],{"class":778},[674,3227,3228],{"class":847}," apiKey",[674,3230,851],{"class":778},[674,3232,3233],{"class":782}," 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}",[674,3262,1236],{"class":782},[674,3264,872],{"class":778},[674,3266,3267,3269,3271],{"class":676,"line":1377},[674,3268,2321],{"class":778},[674,3270,1236],{"class":782},[674,3272,872],{"class":778},[674,3274,3275,3277],{"class":676,"line":1402},[674,3276,878],{"class":782},[674,3278,872],{"class":778},[674,3280,3281,3283],{"class":676,"line":1456},[674,3282,886],{"class":778},[674,3284,889],{"class":782},[674,3286,3287,3289,3291,3293],{"class":676,"line":1461},[674,3288,895],{"class":774},[674,3290,899],{"class":898},[674,3292,902],{"class":680},[674,3294,905],{"class":778},[656,3296,3298],{"id":3297},"pipeline-batching-retry","Pipeline (Batching & Retry)",[587,3300,3301,3302,3305],{},"For production, wrap your adapter with ",[591,3303,3304],{},"createDrainPipeline"," to batch events and retry on failure:",[664,3307,3309],{"className":764,"code":3308,"filename":766,"language":767,"meta":670,"style":670},"import type { DrainContext } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createDrainPipeline } from 'evlog\u002Fpipeline'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 50, intervalMs: 5000 },\n  retry: { maxAttempts: 3 },\n})\nconst drain = pipeline(createAxiomDrain())\n\nEvlogModule.forRoot({ drain })\n",[591,3310,3311,3332,3350,3370,3374,3398,3427,3446,3452,3471,3475],{"__ignoreMap":670},[674,3312,3313,3315,3317,3319,3322,3324,3326,3328,3330],{"class":676,"line":677},[674,3314,775],{"class":774},[674,3316,2105],{"class":774},[674,3318,779],{"class":778},[674,3320,3321],{"class":782}," DrainContext",[674,3323,786],{"class":778},[674,3325,789],{"class":774},[674,3327,792],{"class":778},[674,3329,964],{"class":683},[674,3331,798],{"class":778},[674,3333,3334,3336,3338,3340,3342,3344,3346,3348],{"class":676,"line":801},[674,3335,775],{"class":774},[674,3337,779],{"class":778},[674,3339,2828],{"class":782},[674,3341,786],{"class":778},[674,3343,789],{"class":774},[674,3345,792],{"class":778},[674,3347,2837],{"class":683},[674,3349,798],{"class":778},[674,3351,3352,3354,3356,3359,3361,3363,3365,3368],{"class":676,"line":821},[674,3353,775],{"class":774},[674,3355,779],{"class":778},[674,3357,3358],{"class":782}," 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See the ",[641,3504,3505],{"href":514},"Pipeline docs"," for all options.",[652,3508,3510],{"id":3509},"tail-sampling","Tail Sampling",[587,3512,1560,3513,3516],{},[591,3514,3515],{},"keep"," to force-retain specific events regardless of head sampling:",[664,3518,3520],{"className":764,"code":3519,"filename":766,"language":767,"meta":670,"style":670},"EvlogModule.forRoot({\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[591,3521,3522,3534,3547,3564,3608,3613],{"__ignoreMap":670},[674,3523,3524,3526,3528,3530,3532],{"class":676,"line":677},[674,3525,3479],{"class":782},[674,3527,863],{"class":778},[674,3529,866],{"class":834},[674,3531,838],{"class":782},[674,3533,841],{"class":778},[674,3535,3536,3539,3541,3543,3545],{"class":676,"line":801},[674,3537,3538],{"class":847},"  drain",[674,3540,851],{"class":778},[674,3542,2828],{"class":834},[674,3544,869],{"class":782},[674,3546,872],{"class":778},[674,3548,3549,3552,3554,3556,3558,3560,3562],{"class":676,"line":821},[674,3550,3551],{"class":834},"  keep",[674,3553,851],{"class":778},[674,3555,2933],{"class":778},[674,3557,2936],{"class":1228},[674,3559,1236],{"class":778},[674,3561,1985],{"class":898},[674,3563,1180],{"class":778},[674,3565,3566,3569,3571,3573,3575,3578,3581,3584,3586,3588,3591,3594,3596,3598,3600,3603,3605],{"class":676,"line":828},[674,3567,3568],{"class":774},"    if",[674,3570,2933],{"class":847},[674,3572,2936],{"class":782},[674,3574,863],{"class":778},[674,3576,3577],{"class":782},"duration",[674,3579,3580],{"class":778}," &&",[674,3582,3583],{"class":782}," ctx",[674,3585,863],{"class":778},[674,3587,3577],{"class":782},[674,3589,3590],{"class":778}," >",[674,3592,3593],{"class":1077}," 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