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",[608,609,610],"code",{},"evlog\u002Fnestjs"," module provides ",[608,613,614],{},"EvlogModule.forRoot()"," which registers a global middleware, creating a request-scoped logger accessible via ",[608,617,618],{},"useLogger()"," or ",[608,621,622],{},"req.log",", emitting a wide event when the response completes.",[625,626,629,632,654],"prompt",{":actions":627,"description":628,"icon":268},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my NestJS app",[604,630,631],{},"Set up evlog in my NestJS app.",[633,634,635,639,642,645,648,651],"ul",{},[636,637,638],"li",{},"Install evlog: pnpm add evlog",[636,640,641],{},"Import EvlogModule from 'evlog\u002Fnestjs' and add EvlogModule.forRoot() to AppModule imports",[636,643,644],{},"The global middleware auto-creates a request-scoped logger for every request",[636,646,647],{},"Use useLogger() in any controller or service to access the logger",[636,649,650],{},"Use log.set() to accumulate context, throw createError() for structured errors",[636,652,653],{},"Optionally pass drain, enrich, and keep callbacks to forRoot()",[604,655,656,657,663,664],{},"Docs: ",[658,659,660],"a",{"href":660,"rel":661},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Fnestjs",[662],"nofollow","\nAdapters: ",[658,665,666],{"href":666,"rel":667},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[662],[669,670,25],"h2",{"id":671},"quick-start",[673,674,676],"h3",{"id":675},"_1-install","1. Install",[678,679,680,714,734,754],"code-group",{},[681,682,688],"pre",{"className":683,"code":684,"filename":685,"language":686,"meta":687,"style":687},"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","",[608,689,690],{"__ignoreMap":687},[691,692,695,698,702,705,708,711],"span",{"class":693,"line":694},"line",1,[691,696,685],{"class":697},"sBMFI",[691,699,701],{"class":700},"sfazB"," add",[691,703,704],{"class":700}," evlog",[691,706,707],{"class":700}," @nestjs\u002Fcommon",[691,709,710],{"class":700}," @nestjs\u002Fcore",[691,712,713],{"class":700}," @nestjs\u002Fplatform-express\n",[681,715,718],{"className":683,"code":716,"filename":717,"language":686,"meta":687,"style":687},"bun add evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","bun",[608,719,720],{"__ignoreMap":687},[691,721,722,724,726,728,730,732],{"class":693,"line":694},[691,723,717],{"class":697},[691,725,701],{"class":700},[691,727,704],{"class":700},[691,729,707],{"class":700},[691,731,710],{"class":700},[691,733,713],{"class":700},[681,735,738],{"className":683,"code":736,"filename":737,"language":686,"meta":687,"style":687},"yarn add evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","yarn",[608,739,740],{"__ignoreMap":687},[691,741,742,744,746,748,750,752],{"class":693,"line":694},[691,743,737],{"class":697},[691,745,701],{"class":700},[691,747,704],{"class":700},[691,749,707],{"class":700},[691,751,710],{"class":700},[691,753,713],{"class":700},[681,755,758],{"className":683,"code":756,"filename":757,"language":686,"meta":687,"style":687},"npm install evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","npm",[608,759,760],{"__ignoreMap":687},[691,761,762,764,767,769,771,773],{"class":693,"line":694},[691,763,757],{"class":697},[691,765,766],{"class":700}," install",[691,768,704],{"class":700},[691,770,707],{"class":700},[691,772,710],{"class":700},[691,774,713],{"class":700},[673,776,778],{"id":777},"_2-register-the-module","2. Register the module",[681,780,785],{"className":781,"code":782,"filename":783,"language":784,"meta":687,"style":687},"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",[608,786,787,816,836,843,859,872,890,898,907],{"__ignoreMap":687},[691,788,789,793,797,801,804,807,810,813],{"class":693,"line":694},[691,790,792],{"class":791},"s7zQu","import",[691,794,796],{"class":795},"sMK4o"," {",[691,798,800],{"class":799},"sTEyZ"," Module",[691,802,803],{"class":795}," }",[691,805,806],{"class":791}," from",[691,808,809],{"class":795}," '",[691,811,812],{"class":700},"@nestjs\u002Fcommon",[691,814,815],{"class":795},"'\n",[691,817,819,821,823,826,828,830,832,834],{"class":693,"line":818},2,[691,820,792],{"class":791},[691,822,796],{"class":795},[691,824,825],{"class":799}," EvlogModule",[691,827,803],{"class":795},[691,829,806],{"class":791},[691,831,809],{"class":795},[691,833,610],{"class":700},[691,835,815],{"class":795},[691,837,839],{"class":693,"line":838},3,[691,840,842],{"emptyLinePlaceholder":841},true,"\n",[691,844,846,849,853,856],{"class":693,"line":845},4,[691,847,848],{"class":795},"@",[691,850,852],{"class":851},"s2Zo4","Module",[691,854,855],{"class":799},"(",[691,857,858],{"class":795},"{\n",[691,860,862,866,869],{"class":693,"line":861},5,[691,863,865],{"class":864},"swJcz","  imports",[691,867,868],{"class":795},":",[691,870,871],{"class":799}," [\n",[691,873,875,878,881,884,887],{"class":693,"line":874},6,[691,876,877],{"class":799},"    EvlogModule",[691,879,880],{"class":795},".",[691,882,883],{"class":851},"forRoot",[691,885,886],{"class":799},"()",[691,888,889],{"class":795},",\n",[691,891,893,896],{"class":693,"line":892},7,[691,894,895],{"class":799},"  ]",[691,897,889],{"class":795},[691,899,901,904],{"class":693,"line":900},8,[691,902,903],{"class":795},"}",[691,905,906],{"class":799},")\n",[691,908,910,913,917,920],{"class":693,"line":909},9,[691,911,912],{"class":791},"export",[691,914,916],{"class":915},"spNyl"," class",[691,918,919],{"class":697}," AppModule",[691,921,922],{"class":795}," {}\n",[673,924,926],{"id":925},"_3-bootstrap-with-evlog","3. Bootstrap with evlog",[681,928,931],{"className":781,"code":929,"filename":930,"language":784,"meta":687,"style":687},"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",[608,932,933,944,964,984,1003,1007,1016,1041,1047,1051,1076],{"__ignoreMap":687},[691,934,935,937,939,942],{"class":693,"line":694},[691,936,792],{"class":791},[691,938,809],{"class":795},[691,940,941],{"class":700},"reflect-metadata",[691,943,815],{"class":795},[691,945,946,948,950,953,955,957,959,962],{"class":693,"line":818},[691,947,792],{"class":791},[691,949,796],{"class":795},[691,951,952],{"class":799}," NestFactory",[691,954,803],{"class":795},[691,956,806],{"class":791},[691,958,809],{"class":795},[691,960,961],{"class":700},"@nestjs\u002Fcore",[691,963,815],{"class":795},[691,965,966,968,970,973,975,977,979,982],{"class":693,"line":838},[691,967,792],{"class":791},[691,969,796],{"class":795},[691,971,972],{"class":799}," initLogger",[691,974,803],{"class":795},[691,976,806],{"class":791},[691,978,809],{"class":795},[691,980,981],{"class":700},"evlog",[691,983,815],{"class":795},[691,985,986,988,990,992,994,996,998,1001],{"class":693,"line":845},[691,987,792],{"class":791},[691,989,796],{"class":795},[691,991,919],{"class":799},[691,993,803],{"class":795},[691,995,806],{"class":791},[691,997,809],{"class":795},[691,999,1000],{"class":700},".\u002Fapp.module",[691,1002,815],{"class":795},[691,1004,1005],{"class":693,"line":861},[691,1006,842],{"emptyLinePlaceholder":841},[691,1008,1009,1012,1014],{"class":693,"line":874},[691,1010,1011],{"class":851},"initLogger",[691,1013,855],{"class":799},[691,1015,858],{"class":795},[691,1017,1018,1021,1023,1025,1028,1030,1032,1035,1038],{"class":693,"line":892},[691,1019,1020],{"class":864},"  env",[691,1022,868],{"class":795},[691,1024,796],{"class":795},[691,1026,1027],{"class":864}," service",[691,1029,868],{"class":795},[691,1031,809],{"class":795},[691,1033,1034],{"class":700},"my-api",[691,1036,1037],{"class":795},"'",[691,1039,1040],{"class":795}," },\n",[691,1042,1043,1045],{"class":693,"line":900},[691,1044,903],{"class":795},[691,1046,906],{"class":799},[691,1048,1049],{"class":693,"line":909},[691,1050,842],{"emptyLinePlaceholder":841},[691,1052,1054,1057,1060,1063,1066,1068,1070,1073],{"class":693,"line":1053},10,[691,1055,1056],{"class":915},"const",[691,1058,1059],{"class":799}," app ",[691,1061,1062],{"class":795},"=",[691,1064,1065],{"class":791}," await",[691,1067,952],{"class":799},[691,1069,880],{"class":795},[691,1071,1072],{"class":851},"create",[691,1074,1075],{"class":799},"(AppModule)\n",[691,1077,1079,1082,1085,1087,1090,1092,1096],{"class":693,"line":1078},11,[691,1080,1081],{"class":791},"await",[691,1083,1084],{"class":799}," app",[691,1086,880],{"class":795},[691,1088,1089],{"class":851},"listen",[691,1091,855],{"class":799},[691,1093,1095],{"class":1094},"sbssI","3000",[691,1097,906],{"class":799},[604,1099,1100,1102],{},[608,1101,614],{}," registers as a global module, so the middleware is automatically applied to all routes.",[669,1104,51],{"id":1105},"wide-events",[604,1107,1108],{},"Build up context progressively through your controllers and services. One request = one wide event:",[681,1110,1113],{"className":781,"code":1111,"filename":1112,"language":784,"meta":687,"style":687},"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",[608,1114,1115,1145,1164,1168,1186,1198,1217,1256,1272,1276,1307,1311,1336,1387,1392,1417,1471,1476,1493,1499],{"__ignoreMap":687},[691,1116,1117,1119,1121,1124,1127,1130,1132,1135,1137,1139,1141,1143],{"class":693,"line":694},[691,1118,792],{"class":791},[691,1120,796],{"class":795},[691,1122,1123],{"class":799}," Controller",[691,1125,1126],{"class":795},",",[691,1128,1129],{"class":799}," Get",[691,1131,1126],{"class":795},[691,1133,1134],{"class":799}," Param",[691,1136,803],{"class":795},[691,1138,806],{"class":791},[691,1140,809],{"class":795},[691,1142,812],{"class":700},[691,1144,815],{"class":795},[691,1146,1147,1149,1151,1154,1156,1158,1160,1162],{"class":693,"line":818},[691,1148,792],{"class":791},[691,1150,796],{"class":795},[691,1152,1153],{"class":799}," 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plan",[691,1373,868],{"class":795},[691,1375,1293],{"class":799},[691,1377,880],{"class":795},[691,1379,1380],{"class":799},"plan",[691,1382,803],{"class":795},[691,1384,803],{"class":795},[691,1386,906],{"class":864},[691,1388,1390],{"class":693,"line":1389},14,[691,1391,842],{"emptyLinePlaceholder":841},[691,1393,1395,1397,1400,1402,1404,1406,1408,1411,1413,1415],{"class":693,"line":1394},15,[691,1396,1260],{"class":915},[691,1398,1399],{"class":799}," 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sum",[691,1459,855],{"class":864},[691,1461,1462],{"class":799},"orders",[691,1464,1242],{"class":864},[691,1466,903],{"class":795},[691,1468,803],{"class":795},[691,1470,906],{"class":864},[691,1472,1474],{"class":693,"line":1473},17,[691,1475,842],{"emptyLinePlaceholder":841},[691,1477,1479,1482,1484,1486,1488,1490],{"class":693,"line":1478},18,[691,1480,1481],{"class":791},"    return",[691,1483,796],{"class":795},[691,1485,1293],{"class":799},[691,1487,1126],{"class":795},[691,1489,1399],{"class":799},[691,1491,1492],{"class":795}," }\n",[691,1494,1496],{"class":693,"line":1495},19,[691,1497,1498],{"class":795},"  }\n",[691,1500,1502],{"class":693,"line":1501},20,[691,1503,1504],{"class":795},"}\n",[604,1506,1507],{},"All fields are merged into a single wide event emitted when the request completes:",[681,1509,1512],{"className":683,"code":1510,"filename":1511,"language":686,"meta":687,"style":687},"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",[608,1513,1514,1525,1545,1561],{"__ignoreMap":687},[691,1515,1516,1519,1522],{"class":693,"line":694},[691,1517,1518],{"class":697},"14:58:15",[691,1520,1521],{"class":700}," INFO",[691,1523,1524],{"class":799}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[691,1526,1527,1530,1533,1536,1539,1542],{"class":693,"line":818},[691,1528,1529],{"class":697},"  ├─",[691,1531,1532],{"class":700}," orders:",[691,1534,1535],{"class":700}," count=",[691,1537,1538],{"class":1094},"2",[691,1540,1541],{"class":700}," totalRevenue=",[691,1543,1544],{"class":1094},"6298\n",[691,1546,1547,1549,1552,1555,1558],{"class":693,"line":838},[691,1548,1529],{"class":697},[691,1550,1551],{"class":700}," user:",[691,1553,1554],{"class":700}," id=usr_123",[691,1556,1557],{"class":700}," name=Alice",[691,1559,1560],{"class":700}," plan=pro\n",[691,1562,1563,1566,1569],{"class":693,"line":845},[691,1564,1565],{"class":697},"  └─",[691,1567,1568],{"class":700}," requestId:",[691,1570,1571],{"class":700}," 4a8ff3a8-...\n",[669,1573,618],{"id":1574},"uselogger",[604,1576,1577,1578,1580],{},"Use ",[608,1579,618],{}," to access the request-scoped logger from anywhere in the call stack without injecting the request object through your service layer:",[681,1582,1585],{"className":781,"code":1583,"filename":1584,"language":784,"meta":687,"style":687},"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",[608,1586,1587,1605,1609,1620,1639,1651,1677,1681,1703,1749,1753,1760,1764],{"__ignoreMap":687},[691,1588,1589,1591,1593,1595,1597,1599,1601,1603],{"class":693,"line":694},[691,1590,792],{"class":791},[691,1592,796],{"class":795},[691,1594,1153],{"class":799},[691,1596,803],{"class":795},[691,1598,806],{"class":791},[691,1600,809],{"class":795},[691,1602,610],{"class":700},[691,1604,815],{"class":795},[691,1606,1607],{"class":693,"line":818},[691,1608,842],{"emptyLinePlaceholder":841},[691,1610,1611,1613,1615,1618],{"class":693,"line":838},[691,1612,912],{"class":791},[691,1614,916],{"class":915},[691,1616,1617],{"class":697}," UsersService",[691,1619,1197],{"class":795},[691,1621,1622,1624,1627,1629,1631,1633,1635,1637],{"class":693,"line":845},[691,1623,1221],{"class":915},[691,1625,1626],{"class":864}," findUser",[691,1628,855],{"class":795},[691,1630,1237],{"class":1245},[691,1632,868],{"class":795},[691,1634,1250],{"class":697},[691,1636,1253],{"class":795},[691,1638,1197],{"class":795},[691,1640,1641,1643,1645,1647,1649],{"class":693,"line":861},[691,1642,1260],{"class":915},[691,1644,1263],{"class":799},[691,1646,1266],{"class":795},[691,1648,1153],{"class":851},[691,1650,1271],{"class":864},[691,1652,1653,1655,1657,1659,1661,1663,1665,1667,1669,1671,1673,1675],{"class":693,"line":874},[691,1654,1280],{"class":799},[691,1656,880],{"class":795},[691,1658,1285],{"class":851},[691,1660,855],{"class":864},[691,1662,1290],{"class":795},[691,1664,1293],{"class":864},[691,1666,868],{"class":795},[691,1668,796],{"class":795},[691,1670,1300],{"class":799},[691,1672,803],{"class":795},[691,1674,803],{"class":795},[691,1676,906],{"class":864},[691,1678,1679],{"class":693,"line":892},[691,1680,842],{"emptyLinePlaceholder":841},[691,1682,1683,1685,1687,1689,1691,1693,1695,1697,1699,1701],{"class":693,"line":900},[691,1684,1260],{"class":915},[691,1686,1293],{"class":799},[691,1688,1266],{"class":795},[691,1690,1065],{"class":791},[691,1692,1324],{"class":799},[691,1694,880],{"class":795},[691,1696,1329],{"class":851},[691,1698,855],{"class":864},[691,1700,1237],{"class":799},[691,1702,906],{"class":864},[691,1704,1705,1707,1709,1711,1713,1715,1717,1719,1721,1723,1725,1727,1729,1731,1733,1735,1737,1739,1741,1743,1745,1747],{"class":693,"line":909},[691,1706,1280],{"class":799},[691,1708,880],{"class":795},[691,1710,1285],{"class":851},[691,1712,855],{"class":864},[691,1714,1290],{"class":795},[691,1716,1293],{"class":864},[691,1718,868],{"class":795},[691,1720,796],{"class":795},[691,1722,1357],{"class":864},[691,1724,868],{"class":795},[691,1726,1293],{"class":799},[691,1728,880],{"class":795},[691,1730,1366],{"class":799},[691,1732,1126],{"class":795},[691,1734,1371],{"class":864},[691,1736,868],{"class":795},[691,1738,1293],{"class":799},[691,1740,880],{"class":795},[691,1742,1380],{"class":799},[691,1744,803],{"class":795},[691,1746,803],{"class":795},[691,1748,906],{"class":864},[691,1750,1751],{"class":693,"line":1053},[691,1752,842],{"emptyLinePlaceholder":841},[691,1754,1755,1757],{"class":693,"line":1078},[691,1756,1481],{"class":791},[691,1758,1759],{"class":799}," user\n",[691,1761,1762],{"class":693,"line":1313},[691,1763,1498],{"class":795},[691,1765,1766],{"class":693,"line":1338},[691,1767,1504],{"class":795},[681,1769,1771],{"className":781,"code":1770,"filename":1112,"language":784,"meta":687,"style":687},"@Controller('users')\nexport class UsersController {\n  @Get(':id')\n  findOne(@Param('id') id: string) {\n    return this.usersService.findUser(id)\n  }\n}\n",[608,1772,1773,1789,1799,1815,1844,1864,1868],{"__ignoreMap":687},[691,1774,1775,1777,1779,1781,1783,1785,1787],{"class":693,"line":694},[691,1776,848],{"class":795},[691,1778,1174],{"class":851},[691,1780,855],{"class":799},[691,1782,1037],{"class":795},[691,1784,1181],{"class":700},[691,1786,1037],{"class":795},[691,1788,906],{"class":799},[691,1790,1791,1793,1795,1797],{"class":693,"line":818},[691,1792,912],{"class":791},[691,1794,916],{"class":915},[691,1796,1194],{"class":697},[691,1798,1197],{"class":795},[691,1800,1801,1803,1805,1807,1809,1811,1813],{"class":693,"line":838},[691,1802,1202],{"class":795},[691,1804,1205],{"class":851},[691,1806,855],{"class":799},[691,1808,1037],{"class":795},[691,1810,1212],{"class":700},[691,1812,1037],{"class":795},[691,1814,906],{"class":799},[691,1816,1817,1820,1822,1824,1826,1828,1830,1832,1834,1836,1838,1840,1842],{"class":693,"line":845},[691,1818,1819],{"class":864},"  findOne",[691,1821,1227],{"class":795},[691,1823,1230],{"class":851},[691,1825,855],{"class":799},[691,1827,1037],{"class":795},[691,1829,1237],{"class":700},[691,1831,1037],{"class":795},[691,1833,1242],{"class":799},[691,1835,1237],{"class":1245},[691,1837,868],{"class":795},[691,1839,1250],{"class":697},[691,1841,1253],{"class":795},[691,1843,1197],{"class":795},[691,1845,1846,1848,1851,1854,1856,1858,1860,1862],{"class":693,"line":861},[691,1847,1481],{"class":791},[691,1849,1850],{"class":795}," this.",[691,1852,1853],{"class":799},"usersService",[691,1855,880],{"class":795},[691,1857,1329],{"class":851},[691,1859,855],{"class":864},[691,1861,1237],{"class":799},[691,1863,906],{"class":864},[691,1865,1866],{"class":693,"line":874},[691,1867,1498],{"class":795},[691,1869,1870],{"class":693,"line":892},[691,1871,1504],{"class":795},[604,1873,1874,1875,1877,1878,1880,1881,1883,1884,1887],{},"Both ",[608,1876,622],{}," and ",[608,1879,618],{}," return the same logger instance. ",[608,1882,618],{}," uses ",[608,1885,1886],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[669,1889,1891,1892,1253],{"id":1890},"background-work-logfork","Background work (",[608,1893,1894],{},"log.fork",[604,1896,1577,1897,1900,1901,1903,1904,1908],{},[608,1898,1899],{},"req.log.fork(label, fn)"," (or the logger from ",[608,1902,618],{}," in the same request) for child wide events. See ",[658,1905,1907],{"href":1906},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[681,1910,1913],{"className":781,"code":1911,"filename":1912,"language":784,"meta":687,"style":687},"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",[608,1914,1915,1933,1937,1946,1965,2005,2017,2042,2049,2065],{"__ignoreMap":687},[691,1916,1917,1919,1921,1923,1925,1927,1929,1931],{"class":693,"line":694},[691,1918,792],{"class":791},[691,1920,796],{"class":795},[691,1922,1153],{"class":799},[691,1924,803],{"class":795},[691,1926,806],{"class":791},[691,1928,809],{"class":795},[691,1930,610],{"class":700},[691,1932,815],{"class":795},[691,1934,1935],{"class":693,"line":818},[691,1936,842],{"emptyLinePlaceholder":841},[691,1938,1939,1941,1944],{"class":693,"line":838},[691,1940,848],{"class":795},[691,1942,1943],{"class":851},"Post",[691,1945,1271],{"class":799},[691,1947,1948,1950,1952,1955,1958,1960,1963],{"class":693,"line":845},[691,1949,1072],{"class":851},[691,1951,1227],{"class":799},[691,1953,1954],{"class":851},"Req",[691,1956,1957],{"class":799},"() req: Express",[691,1959,880],{"class":795},[691,1961,1962],{"class":799},"Request) ",[691,1964,858],{"class":795},[691,1966,1967,1970,1972,1975,1977,1980,1983,1985,1987,1990,1992,1994,1997,2000,2003],{"class":693,"line":861},[691,1968,1969],{"class":799},"  req",[691,1971,880],{"class":795},[691,1973,1974],{"class":799},"log",[691,1976,880],{"class":795},[691,1978,1979],{"class":851},"fork",[691,1981,1982],{"class":795},"!",[691,1984,855],{"class":864},[691,1986,1037],{"class":795},[691,1988,1989],{"class":700},"enqueue",[691,1991,1037],{"class":795},[691,1993,1126],{"class":795},[691,1995,1996],{"class":915}," async",[691,1998,1999],{"class":795}," ()",[691,2001,2002],{"class":915}," =>",[691,2004,1197],{"class":795},[691,2006,2007,2009,2011,2013,2015],{"class":693,"line":874},[691,2008,1260],{"class":915},[691,2010,1263],{"class":799},[691,2012,1266],{"class":795},[691,2014,1153],{"class":851},[691,2016,1271],{"class":864},[691,2018,2019,2021,2023,2025,2027,2029,2032,2034,2038,2040],{"class":693,"line":892},[691,2020,1280],{"class":799},[691,2022,880],{"class":795},[691,2024,1285],{"class":851},[691,2026,855],{"class":864},[691,2028,1290],{"class":795},[691,2030,2031],{"class":864}," queued",[691,2033,868],{"class":795},[691,2035,2037],{"class":2036},"sfNiH"," true",[691,2039,803],{"class":795},[691,2041,906],{"class":864},[691,2043,2044,2047],{"class":693,"line":900},[691,2045,2046],{"class":795},"  }",[691,2048,906],{"class":864},[691,2050,2051,2054,2056,2059,2061,2063],{"class":693,"line":909},[691,2052,2053],{"class":791},"  return",[691,2055,796],{"class":795},[691,2057,2058],{"class":864}," ok",[691,2060,868],{"class":795},[691,2062,2037],{"class":2036},[691,2064,1492],{"class":795},[691,2066,2067],{"class":693,"line":1053},[691,2068,1504],{"class":795},[669,2070,2072],{"id":2071},"error-handling","Error Handling",[604,2074,1577,2075,2078,2079,2082,2083,2086,2087,2090],{},[608,2076,2077],{},"createError"," for structured errors with ",[608,2080,2081],{},"why",", ",[608,2084,2085],{},"fix",", and ",[608,2088,2089],{},"link"," fields. Create a NestJS exception filter to log and format errors:",[681,2092,2095],{"className":781,"code":2093,"filename":2094,"language":784,"meta":687,"style":687},"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",[608,2096,2097,2116,2143,2162,2180,2184,2193,2209,2237,2262,2305,2309,2316,2334,2344,2350,2355,2359,2376,2406,2422,2438,2454,2470,2477,2482],{"__ignoreMap":687},[691,2098,2099,2101,2103,2106,2108,2110,2112,2114],{"class":693,"line":694},[691,2100,792],{"class":791},[691,2102,796],{"class":795},[691,2104,2105],{"class":799}," Catch",[691,2107,803],{"class":795},[691,2109,806],{"class":791},[691,2111,809],{"class":795},[691,2113,812],{"class":700},[691,2115,815],{"class":795},[691,2117,2118,2120,2123,2125,2128,2130,2133,2135,2137,2139,2141],{"class":693,"line":818},[691,2119,792],{"class":791},[691,2121,2122],{"class":791}," type",[691,2124,796],{"class":795},[691,2126,2127],{"class":799}," ExceptionFilter",[691,2129,1126],{"class":795},[691,2131,2132],{"class":799}," ArgumentsHost",[691,2134,803],{"class":795},[691,2136,806],{"class":791},[691,2138,809],{"class":795},[691,2140,812],{"class":700},[691,2142,815],{"class":795},[691,2144,2145,2147,2149,2152,2154,2156,2158,2160],{"class":693,"line":838},[691,2146,792],{"class":791},[691,2148,796],{"class":795},[691,2150,2151],{"class":799}," parseError",[691,2153,803],{"class":795},[691,2155,806],{"class":791},[691,2157,809],{"class":795},[691,2159,981],{"class":700},[691,2161,815],{"class":795},[691,2163,2164,2166,2168,2170,2172,2174,2176,2178],{"class":693,"line":845},[691,2165,792],{"class":791},[691,2167,796],{"class":795},[691,2169,1153],{"class":799},[691,2171,803],{"class":795},[691,2173,806],{"class":791},[691,2175,809],{"class":795},[691,2177,610],{"class":700},[691,2179,815],{"class":795},[691,2181,2182],{"class":693,"line":861},[691,2183,842],{"emptyLinePlaceholder":841},[691,2185,2186,2188,2191],{"class":693,"line":874},[691,2187,848],{"class":795},[691,2189,2190],{"class":851},"Catch",[691,2192,1271],{"class":799},[691,2194,2195,2197,2199,2202,2205,2207],{"class":693,"line":892},[691,2196,912],{"class":791},[691,2198,916],{"class":915},[691,2200,2201],{"class":697}," EvlogExceptionFilter",[691,2203,2204],{"class":915}," implements",[691,2206,2127],{"class":697},[691,2208,1197],{"class":795},[691,2210,2211,2214,2216,2219,2221,2224,2226,2229,2231,2233,2235],{"class":693,"line":900},[691,2212,2213],{"class":864},"  catch",[691,2215,855],{"class":795},[691,2217,2218],{"class":1245},"exception",[691,2220,868],{"class":795},[691,2222,2223],{"class":697}," unknown",[691,2225,1126],{"class":795},[691,2227,2228],{"class":1245}," host",[691,2230,868],{"class":795},[691,2232,2132],{"class":697},[691,2234,1253],{"class":795},[691,2236,1197],{"class":795},[691,2238,2239,2241,2244,2246,2248,2250,2253,2255,2257,2260],{"class":693,"line":909},[691,2240,1260],{"class":915},[691,2242,2243],{"class":799}," response",[691,2245,1266],{"class":795},[691,2247,2228],{"class":799},[691,2249,880],{"class":795},[691,2251,2252],{"class":851},"switchToHttp",[691,2254,886],{"class":864},[691,2256,880],{"class":795},[691,2258,2259],{"class":851},"getResponse",[691,2261,1271],{"class":864},[691,2263,2264,2266,2269,2271,2274,2277,2280,2283,2285,2288,2291,2293,2295,2298,2300,2302],{"class":693,"line":1053},[691,2265,1260],{"class":915},[691,2267,2268],{"class":799}," error",[691,2270,1266],{"class":795},[691,2272,2273],{"class":799}," exception",[691,2275,2276],{"class":795}," instanceof",[691,2278,2279],{"class":697}," Error",[691,2281,2282],{"class":795}," ?",[691,2284,2273],{"class":799},[691,2286,2287],{"class":795}," :",[691,2289,2290],{"class":795}," 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log is unavailable\n",[691,2351,2352],{"class":693,"line":1419},[691,2353,2354],{"class":795},"    }\n",[691,2356,2357],{"class":693,"line":1473},[691,2358,842],{"emptyLinePlaceholder":841},[691,2360,2361,2363,2366,2368,2370,2372,2374],{"class":693,"line":1478},[691,2362,1260],{"class":915},[691,2364,2365],{"class":799}," parsed",[691,2367,1266],{"class":795},[691,2369,2151],{"class":851},[691,2371,855],{"class":864},[691,2373,2327],{"class":799},[691,2375,906],{"class":864},[691,2377,2378,2381,2383,2386,2388,2391,2393,2395,2397,2399,2402,2404],{"class":693,"line":1495},[691,2379,2380],{"class":799},"    response",[691,2382,880],{"class":795},[691,2384,2385],{"class":851},"status",[691,2387,855],{"class":864},[691,2389,2390],{"class":799},"parsed",[691,2392,880],{"class":795},[691,2394,2385],{"class":799},[691,2396,1253],{"class":864},[691,2398,880],{"class":795},[691,2400,2401],{"class":851},"json",[691,2403,855],{"class":864},[691,2405,858],{"class":795},[691,2407,2408,2411,2413,2415,2417,2420],{"class":693,"line":1501},[691,2409,2410],{"class":864},"      message",[691,2412,868],{"class":795},[691,2414,2365],{"class":799},[691,2416,880],{"class":795},[691,2418,2419],{"class":799},"message",[691,2421,889],{"class":795},[691,2423,2425,2428,2430,2432,2434,2436],{"class":693,"line":2424},21,[691,2426,2427],{"class":864},"      why",[691,2429,868],{"class":795},[691,2431,2365],{"class":799},[691,2433,880],{"class":795},[691,2435,2081],{"class":799},[691,2437,889],{"class":795},[691,2439,2441,2444,2446,2448,2450,2452],{"class":693,"line":2440},22,[691,2442,2443],{"class":864},"      fix",[691,2445,868],{"class":795},[691,2447,2365],{"class":799},[691,2449,880],{"class":795},[691,2451,2085],{"class":799},[691,2453,889],{"class":795},[691,2455,2457,2460,2462,2464,2466,2468],{"class":693,"line":2456},23,[691,2458,2459],{"class":864},"      link",[691,2461,868],{"class":795},[691,2463,2365],{"class":799},[691,2465,880],{"class":795},[691,2467,2089],{"class":799},[691,2469,889],{"class":795},[691,2471,2473,2475],{"class":693,"line":2472},24,[691,2474,2338],{"class":795},[691,2476,906],{"class":864},[691,2478,2480],{"class":693,"line":2479},25,[691,2481,1498],{"class":795},[691,2483,2485],{"class":693,"line":2484},26,[691,2486,1504],{"class":795},[604,2488,2489],{},"Apply it to your controllers:",[681,2491,2494],{"className":781,"code":2492,"filename":2493,"language":784,"meta":687,"style":687},"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",[608,2495,2496,2523,2542,2561,2565,2573,2590,2601,2618,2627,2638,2653,2665,2680,2695,2710,2716,2720],{"__ignoreMap":687},[691,2497,2498,2500,2502,2504,2506,2508,2510,2513,2515,2517,2519,2521],{"class":693,"line":694},[691,2499,792],{"class":791},[691,2501,796],{"class":795},[691,2503,1123],{"class":799},[691,2505,1126],{"class":795},[691,2507,1129],{"class":799},[691,2509,1126],{"class":795},[691,2511,2512],{"class":799}," UseFilters",[691,2514,803],{"class":795},[691,2516,806],{"class":791},[691,2518,809],{"class":795},[691,2520,812],{"class":700},[691,2522,815],{"class":795},[691,2524,2525,2527,2529,2532,2534,2536,2538,2540],{"class":693,"line":818},[691,2526,792],{"class":791},[691,2528,796],{"class":795},[691,2530,2531],{"class":799}," createError",[691,2533,803],{"class":795},[691,2535,806],{"class":791},[691,2537,809],{"class":795},[691,2539,981],{"class":700},[691,2541,815],{"class":795},[691,2543,2544,2546,2548,2550,2552,2554,2556,2559],{"class":693,"line":838},[691,2545,792],{"class":791},[691,2547,796],{"class":795},[691,2549,2201],{"class":799},[691,2551,803],{"class":795},[691,2553,806],{"class":791},[691,2555,809],{"class":795},[691,2557,2558],{"class":700},".\u002Fevlog-exception.filter",[691,2560,815],{"class":795},[691,2562,2563],{"class":693,"line":845},[691,2564,842],{"emptyLinePlaceholder":841},[691,2566,2567,2569,2571],{"class":693,"line":861},[691,2568,848],{"class":795},[691,2570,1174],{"class":851},[691,2572,1271],{"class":799},[691,2574,2575,2577,2580,2582,2585,2587],{"class":693,"line":874},[691,2576,848],{"class":795},[691,2578,2579],{"class":851},"UseFilters",[691,2581,855],{"class":799},[691,2583,2584],{"class":795},"new",[691,2586,2201],{"class":851},[691,2588,2589],{"class":799},"())\n",[691,2591,2592,2594,2596,2599],{"class":693,"line":892},[691,2593,912],{"class":791},[691,2595,916],{"class":915},[691,2597,2598],{"class":697}," CheckoutController",[691,2600,1197],{"class":795},[691,2602,2603,2605,2607,2609,2611,2614,2616],{"class":693,"line":900},[691,2604,1202],{"class":795},[691,2606,1205],{"class":851},[691,2608,855],{"class":799},[691,2610,1037],{"class":795},[691,2612,2613],{"class":700},"checkout",[691,2615,1037],{"class":795},[691,2617,906],{"class":799},[691,2619,2620,2623,2625],{"class":693,"line":909},[691,2621,2622],{"class":864},"  checkout",[691,2624,886],{"class":795},[691,2626,1197],{"class":795},[691,2628,2629,2632,2634,2636],{"class":693,"line":1053},[691,2630,2631],{"class":791},"    throw",[691,2633,2531],{"class":851},[691,2635,855],{"class":864},[691,2637,858],{"class":795},[691,2639,2640,2642,2644,2646,2649,2651],{"class":693,"line":1078},[691,2641,2410],{"class":864},[691,2643,868],{"class":795},[691,2645,809],{"class":795},[691,2647,2648],{"class":700},"Payment failed",[691,2650,1037],{"class":795},[691,2652,889],{"class":795},[691,2654,2655,2658,2660,2663],{"class":693,"line":1313},[691,2656,2657],{"class":864},"      status",[691,2659,868],{"class":795},[691,2661,2662],{"class":1094}," 402",[691,2664,889],{"class":795},[691,2666,2667,2669,2671,2673,2676,2678],{"class":693,"line":1338},[691,2668,2427],{"class":864},[691,2670,868],{"class":795},[691,2672,809],{"class":795},[691,2674,2675],{"class":700},"Card declined by issuer",[691,2677,1037],{"class":795},[691,2679,889],{"class":795},[691,2681,2682,2684,2686,2688,2691,2693],{"class":693,"line":1389},[691,2683,2443],{"class":864},[691,2685,868],{"class":795},[691,2687,809],{"class":795},[691,2689,2690],{"class":700},"Try a different payment method",[691,2692,1037],{"class":795},[691,2694,889],{"class":795},[691,2696,2697,2699,2701,2703,2706,2708],{"class":693,"line":1394},[691,2698,2459],{"class":864},[691,2700,868],{"class":795},[691,2702,809],{"class":795},[691,2704,2705],{"class":700},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[691,2707,1037],{"class":795},[691,2709,889],{"class":795},[691,2711,2712,2714],{"class":693,"line":1419},[691,2713,2338],{"class":795},[691,2715,906],{"class":864},[691,2717,2718],{"class":693,"line":1473},[691,2719,1498],{"class":795},[691,2721,2722],{"class":693,"line":1478},[691,2723,1504],{"class":795},[604,2725,2726],{},"The error is captured and logged with both the custom context and structured error fields:",[681,2728,2730],{"className":683,"code":2729,"filename":1511,"language":686,"meta":687,"style":687},"14:58:20 ERROR [my-api] GET \u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  └─ requestId: 880a50ac-...\n",[608,2731,2732,2743,2765],{"__ignoreMap":687},[691,2733,2734,2737,2740],{"class":693,"line":694},[691,2735,2736],{"class":697},"14:58:20",[691,2738,2739],{"class":700}," ERROR",[691,2741,2742],{"class":799}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[691,2744,2745,2747,2750,2753,2756,2759,2762],{"class":693,"line":818},[691,2746,1529],{"class":697},[691,2748,2749],{"class":700}," error:",[691,2751,2752],{"class":700}," name=EvlogError",[691,2754,2755],{"class":700}," message=Payment",[691,2757,2758],{"class":700}," failed",[691,2760,2761],{"class":700}," status=",[691,2763,2764],{"class":1094},"402\n",[691,2766,2767,2769,2771],{"class":693,"line":838},[691,2768,1565],{"class":697},[691,2770,1568],{"class":700},[691,2772,2773],{"class":700}," 880a50ac-...\n",[669,2775,543],{"id":2776},"configuration",[604,2778,2779,2780,2783,2784,2786],{},"See the ",[658,2781,2782],{"href":544},"Configuration reference"," for all available options (",[608,2785,1011],{},", middleware options, sampling, silent mode, etc.).",[669,2788,2790],{"id":2789},"drain-enrichers","Drain & Enrichers",[604,2792,2793,2794,868],{},"Configure drain adapters and enrichers in ",[608,2795,614],{},[681,2797,2799],{"className":781,"code":2798,"filename":783,"language":784,"meta":687,"style":687},"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",[608,2800,2801,2819,2837,2857,2877,2881,2894,2898,2908,2916,2928,2941,2960,2971,3001,3006,3014,3020,3026],{"__ignoreMap":687},[691,2802,2803,2805,2807,2809,2811,2813,2815,2817],{"class":693,"line":694},[691,2804,792],{"class":791},[691,2806,796],{"class":795},[691,2808,800],{"class":799},[691,2810,803],{"class":795},[691,2812,806],{"class":791},[691,2814,809],{"class":795},[691,2816,812],{"class":700},[691,2818,815],{"class":795},[691,2820,2821,2823,2825,2827,2829,2831,2833,2835],{"class":693,"line":818},[691,2822,792],{"class":791},[691,2824,796],{"class":795},[691,2826,825],{"class":799},[691,2828,803],{"class":795},[691,2830,806],{"class":791},[691,2832,809],{"class":795},[691,2834,610],{"class":700},[691,2836,815],{"class":795},[691,2838,2839,2841,2843,2846,2848,2850,2852,2855],{"class":693,"line":838},[691,2840,792],{"class":791},[691,2842,796],{"class":795},[691,2844,2845],{"class":799}," createAxiomDrain",[691,2847,803],{"class":795},[691,2849,806],{"class":791},[691,2851,809],{"class":795},[691,2853,2854],{"class":700},"evlog\u002Faxiom",[691,2856,815],{"class":795},[691,2858,2859,2861,2863,2866,2868,2870,2872,2875],{"class":693,"line":845},[691,2860,792],{"class":791},[691,2862,796],{"class":795},[691,2864,2865],{"class":799}," createUserAgentEnricher",[691,2867,803],{"class":795},[691,2869,806],{"class":791},[691,2871,809],{"class":795},[691,2873,2874],{"class":700},"evlog\u002Fenrichers",[691,2876,815],{"class":795},[691,2878,2879],{"class":693,"line":861},[691,2880,842],{"emptyLinePlaceholder":841},[691,2882,2883,2885,2888,2890,2892],{"class":693,"line":874},[691,2884,1056],{"class":915},[691,2886,2887],{"class":799}," userAgent ",[691,2889,1062],{"class":795},[691,2891,2865],{"class":851},[691,2893,1271],{"class":799},[691,2895,2896],{"class":693,"line":892},[691,2897,842],{"emptyLinePlaceholder":841},[691,2899,2900,2902,2904,2906],{"class":693,"line":900},[691,2901,848],{"class":795},[691,2903,852],{"class":851},[691,2905,855],{"class":799},[691,2907,858],{"class":795},[691,2909,2910,2912,2914],{"class":693,"line":909},[691,2911,865],{"class":864},[691,2913,868],{"class":795},[691,2915,871],{"class":799},[691,2917,2918,2920,2922,2924,2926],{"class":693,"line":1053},[691,2919,877],{"class":799},[691,2921,880],{"class":795},[691,2923,883],{"class":851},[691,2925,855],{"class":799},[691,2927,858],{"class":795},[691,2929,2930,2933,2935,2937,2939],{"class":693,"line":1078},[691,2931,2932],{"class":864},"      drain",[691,2934,868],{"class":795},[691,2936,2845],{"class":851},[691,2938,886],{"class":799},[691,2940,889],{"class":795},[691,2942,2943,2946,2948,2951,2954,2956,2958],{"class":693,"line":1313},[691,2944,2945],{"class":851},"      enrich",[691,2947,868],{"class":795},[691,2949,2950],{"class":795}," (",[691,2952,2953],{"class":1245},"ctx",[691,2955,1253],{"class":795},[691,2957,2002],{"class":915},[691,2959,1197],{"class":795},[691,2961,2962,2965,2967,2969],{"class":693,"line":1338},[691,2963,2964],{"class":851},"        userAgent",[691,2966,855],{"class":864},[691,2968,2953],{"class":799},[691,2970,906],{"class":864},[691,2972,2973,2976,2978,2981,2983,2986,2988,2991,2993,2996,2998],{"class":693,"line":1389},[691,2974,2975],{"class":799},"        ctx",[691,2977,880],{"class":795},[691,2979,2980],{"class":799},"event",[691,2982,880],{"class":795},[691,2984,2985],{"class":799},"region",[691,2987,1266],{"class":795},[691,2989,2990],{"class":799}," process",[691,2992,880],{"class":795},[691,2994,2995],{"class":799},"env",[691,2997,880],{"class":795},[691,2999,3000],{"class":799},"FLY_REGION\n",[691,3002,3003],{"class":693,"line":1394},[691,3004,3005],{"class":795},"      },\n",[691,3007,3008,3010,3012],{"class":693,"line":1419},[691,3009,2338],{"class":795},[691,3011,1253],{"class":799},[691,3013,889],{"class":795},[691,3015,3016,3018],{"class":693,"line":1473},[691,3017,895],{"class":799},[691,3019,889],{"class":795},[691,3021,3022,3024],{"class":693,"line":1478},[691,3023,903],{"class":795},[691,3025,906],{"class":799},[691,3027,3028,3030,3032,3034],{"class":693,"line":1495},[691,3029,912],{"class":791},[691,3031,916],{"class":915},[691,3033,919],{"class":697},[691,3035,922],{"class":795},[673,3037,3039],{"id":3038},"async-configuration","Async Configuration",[604,3041,1577,3042,3045,3046,3049],{},[608,3043,3044],{},"forRootAsync()"," when options depend on other providers (e.g. ",[608,3047,3048],{},"ConfigService","):",[681,3051,3053],{"className":781,"code":3052,"filename":783,"language":784,"meta":687,"style":687},"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",[608,3054,3055,3073,3098,3116,3134,3138,3148,3156,3169,3182,3194,3206,3230,3273,3282,3290,3296,3302],{"__ignoreMap":687},[691,3056,3057,3059,3061,3063,3065,3067,3069,3071],{"class":693,"line":694},[691,3058,792],{"class":791},[691,3060,796],{"class":795},[691,3062,800],{"class":799},[691,3064,803],{"class":795},[691,3066,806],{"class":791},[691,3068,809],{"class":795},[691,3070,812],{"class":700},[691,3072,815],{"class":795},[691,3074,3075,3077,3079,3082,3084,3087,3089,3091,3093,3096],{"class":693,"line":818},[691,3076,792],{"class":791},[691,3078,796],{"class":795},[691,3080,3081],{"class":799}," ConfigModule",[691,3083,1126],{"class":795},[691,3085,3086],{"class":799}," 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'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",[608,3327,3328,3349,3367,3387,3391,3415,3444,3463,3469,3488,3492],{"__ignoreMap":687},[691,3329,3330,3332,3334,3336,3339,3341,3343,3345,3347],{"class":693,"line":694},[691,3331,792],{"class":791},[691,3333,2122],{"class":791},[691,3335,796],{"class":795},[691,3337,3338],{"class":799}," 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See the ",[658,3521,3522],{"href":531},"Pipeline docs"," for all options.",[669,3525,3527],{"id":3526},"tail-sampling","Tail Sampling",[604,3529,1577,3530,3533],{},[608,3531,3532],{},"keep"," to force-retain specific events regardless of head sampling:",[681,3535,3537],{"className":781,"code":3536,"filename":783,"language":784,"meta":687,"style":687},"EvlogModule.forRoot({\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[608,3538,3539,3551,3564,3581,3625,3630],{"__ignoreMap":687},[691,3540,3541,3543,3545,3547,3549],{"class":693,"line":694},[691,3542,3496],{"class":799},[691,3544,880],{"class":795},[691,3546,883],{"class":851},[691,3548,855],{"class":799},[691,3550,858],{"class":795},[691,3552,3553,3556,3558,3560,3562],{"class":693,"line":818},[691,3554,3555],{"class":864},"  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},\n})\n",[608,3654,3655,3667,3689,3718,3727,3754,3780,3784],{"__ignoreMap":687},[691,3656,3657,3659,3661,3663,3665],{"class":693,"line":694},[691,3658,3496],{"class":799},[691,3660,880],{"class":795},[691,3662,883],{"class":851},[691,3664,855],{"class":799},[691,3666,858],{"class":795},[691,3668,3669,3672,3674,3677,3679,3682,3684,3687],{"class":693,"line":818},[691,3670,3671],{"class":864},"  include",[691,3673,868],{"class":795},[691,3675,3676],{"class":799}," [",[691,3678,1037],{"class":795},[691,3680,3681],{"class":700},"\u002Fapi\u002F**",[691,3683,1037],{"class":795},[691,3685,3686],{"class":799},"]",[691,3688,889],{"class":795},[691,3690,3691,3694,3696,3698,3700,3703,3705,3707,3709,3712,3714,3716],{"class":693,"line":838},[691,3692,3693],{"class":864},"  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