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context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":603,"title":280,"body":604,"description":3218,"extension":3219,"links":3220,"meta":3224,"navigation":3225,"path":281,"seo":3226,"stem":282,"__hash__":3227},"docs\u002F4.integrate\u002Fframeworks\u002F09.fastify.md",{"type":605,"value":606,"toc":3199},"minimark",[607,624,671,675,680,760,764,1100,1124,1133,1136,1139,1441,1444,1508,1511,1517,1700,1818,1833,1840,1855,2028,2032,2053,2376,2379,2426,2429,2439,2443,2446,2613,2617,2624,2817,2828,2832,2838,2942,2946,2956,3099,3103,3144,3152,3162,3166,3195],[608,609,610,611,615,616,619,620,623],"p",{},"The ",[612,613,614],"code",{},"evlog\u002Ffastify"," plugin auto-creates a request-scoped logger accessible via ",[612,617,618],{},"request.log"," and ",[612,621,622],{},"useLogger()",", emitting a wide event when the response completes.",[625,626,629,632,657],"prompt",{":actions":627,"description":628,"icon":283},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my Fastify app",[608,630,631],{},"Set up evlog in my Fastify app.",[633,634,635,639,642,645,648,651,654],"ul",{},[636,637,638],"li",{},"Install evlog: pnpm add evlog",[636,640,641],{},"Call initLogger({ env: { service: 'my-api' } }) at startup",[636,643,644],{},"Alternatively, use evlog\u002Fvite plugin in vite.config.ts for auto-init (replaces initLogger)",[636,646,647],{},"Import evlog from 'evlog\u002Ffastify' and register with app.register(evlog)",[636,649,650],{},"Access the logger via request.log in route handlers or useLogger() anywhere",[636,652,653],{},"Use log.set() to accumulate context throughout the request",[636,655,656],{},"Optionally pass drain, enrich, include, and keep options when registering",[608,658,659,660,666,667],{},"Docs: ",[661,662,663],"a",{"href":663,"rel":664},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Ffastify",[665],"nofollow","\nAdapters: ",[661,668,669],{"href":669,"rel":670},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[665],[672,673,25],"h2",{"id":674},"quick-start",[676,677,679],"h3",{"id":678},"_1-install","1. Install",[681,682,683,711,727,743],"code-group",{},[684,685,691],"pre",{"className":686,"code":687,"filename":688,"language":689,"meta":690,"style":690},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog fastify\n","pnpm","bash","",[612,692,693],{"__ignoreMap":690},[694,695,698,701,705,708],"span",{"class":696,"line":697},"line",1,[694,699,688],{"class":700},"sBMFI",[694,702,704],{"class":703},"sfazB"," add",[694,706,707],{"class":703}," evlog",[694,709,710],{"class":703}," fastify\n",[684,712,715],{"className":686,"code":713,"filename":714,"language":689,"meta":690,"style":690},"bun add evlog fastify\n","bun",[612,716,717],{"__ignoreMap":690},[694,718,719,721,723,725],{"class":696,"line":697},[694,720,714],{"class":700},[694,722,704],{"class":703},[694,724,707],{"class":703},[694,726,710],{"class":703},[684,728,731],{"className":686,"code":729,"filename":730,"language":689,"meta":690,"style":690},"yarn add evlog fastify\n","yarn",[612,732,733],{"__ignoreMap":690},[694,734,735,737,739,741],{"class":696,"line":697},[694,736,730],{"class":700},[694,738,704],{"class":703},[694,740,707],{"class":703},[694,742,710],{"class":703},[684,744,747],{"className":686,"code":745,"filename":746,"language":689,"meta":690,"style":690},"npm install evlog fastify\n","npm",[612,748,749],{"__ignoreMap":690},[694,750,751,753,756,758],{"class":696,"line":697},[694,752,746],{"class":700},[694,754,755],{"class":703}," install",[694,757,707],{"class":703},[694,759,710],{"class":703},[676,761,763],{"id":762},"_2-initialize-and-register-the-plugin","2. Initialize and register the plugin",[684,765,770],{"className":766,"code":767,"filename":768,"language":769,"meta":690,"style":690},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import Fastify from 'fastify'\nimport { initLogger } from 'evlog'\nimport { evlog } from 'evlog\u002Ffastify'\n\ninitLogger({\n  env: { service: 'my-api' },\n})\n\nconst app = Fastify({ logger: false })\n\nawait app.register(evlog)\n\napp.get('\u002Fhealth', async (request) => {\n  request.log.set({ route: 'health' })\n  return { ok: true }\n})\n\nawait app.listen({ port: 3000 })\n","src\u002Findex.ts","typescript",[612,771,772,795,819,838,845,858,886,895,900,934,939,957,962,1004,1040,1059,1066,1071],{"__ignoreMap":690},[694,773,774,778,782,785,789,792],{"class":696,"line":697},[694,775,777],{"class":776},"s7zQu","import",[694,779,781],{"class":780},"sTEyZ"," Fastify ",[694,783,784],{"class":776},"from",[694,786,788],{"class":787},"sMK4o"," 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The pino logger remains accessible via ",[612,1130,1131],{},"fastify.log"," for server-level structured logging.",[672,1134,51],{"id":1135},"wide-events",[608,1137,1138],{},"Build up context progressively through your handler. 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totalRevenue",[694,1399,867],{"class":787},[694,1401,1402],{"class":850}," sum",[694,1404,854],{"class":863},[694,1406,1407],{"class":780},"orders",[694,1409,1410],{"class":863},") ",[694,1412,891],{"class":787},[694,1414,808],{"class":787},[694,1416,894],{"class":863},[694,1418,1419],{"class":696,"line":941},[694,1420,844],{"emptyLinePlaceholder":843},[694,1422,1423,1425,1427,1429,1431,1433],{"class":696,"line":959},[694,1424,1045],{"class":776},[694,1426,802],{"class":787},[694,1428,1234],{"class":780},[694,1430,984],{"class":787},[694,1432,1341],{"class":780},[694,1434,1058],{"class":787},[694,1436,1437,1439],{"class":696,"line":964},[694,1438,891],{"class":787},[694,1440,894],{"class":780},[608,1442,1443],{},"All fields are merged into a single wide event emitted when the request completes:",[684,1445,1448],{"className":686,"code":1446,"filename":1447,"language":689,"meta":690,"style":690},"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",[612,1449,1450,1461,1481,1497],{"__ignoreMap":690},[694,1451,1452,1455,1458],{"class":696,"line":697},[694,1453,1454],{"class":700},"14:58:15",[694,1456,1457],{"class":703}," INFO",[694,1459,1460],{"class":780}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[694,1462,1463,1466,1469,1472,1475,1478],{"class":696,"line":797},[694,1464,1465],{"class":700},"  ├─",[694,1467,1468],{"class":703}," orders:",[694,1470,1471],{"class":703}," count=",[694,1473,1474],{"class":1094},"2",[694,1476,1477],{"class":703}," totalRevenue=",[694,1479,1480],{"class":1094},"6298\n",[694,1482,1483,1485,1488,1491,1494],{"class":696,"line":821},[694,1484,1465],{"class":700},[694,1486,1487],{"class":703}," user:",[694,1489,1490],{"class":703}," id=usr_123",[694,1492,1493],{"class":703}," name=Alice",[694,1495,1496],{"class":703}," plan=pro\n",[694,1498,1499,1502,1505],{"class":696,"line":840},[694,1500,1501],{"class":700},"  └─",[694,1503,1504],{"class":703}," requestId:",[694,1506,1507],{"class":703}," 4a8ff3a8-...\n",[672,1509,622],{"id":1510},"uselogger",[608,1512,1513,1514,1516],{},"Use ",[612,1515,622],{}," to access the request-scoped logger from anywhere in the call stack without passing the request object through your service layer:",[684,1518,1521],{"className":766,"code":1519,"filename":1520,"language":769,"meta":690,"style":690},"import { useLogger } from 'evlog\u002Ffastify'\n\nexport async function 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","src\u002Fservices\u002Fuser.ts",[612,1522,1523,1542,1546,1571,1585,1612,1616,1638,1684,1688,1695],{"__ignoreMap":690},[694,1524,1525,1527,1529,1532,1534,1536,1538,1540],{"class":696,"line":697},[694,1526,777],{"class":776},[694,1528,802],{"class":787},[694,1530,1531],{"class":780}," useLogger",[694,1533,808],{"class":787},[694,1535,811],{"class":776},[694,1537,788],{"class":787},[694,1539,614],{"class":703},[694,1541,794],{"class":787},[694,1543,1544],{"class":696,"line":797},[694,1545,844],{"emptyLinePlaceholder":843},[694,1547,1548,1551,1553,1556,1559,1561,1563,1565,1567,1569],{"class":696,"line":821},[694,1549,1550],{"class":776},"export",[694,1552,987],{"class":905},[694,1554,1555],{"class":905}," function",[694,1557,1558],{"class":850}," findUser",[694,1560,854],{"class":787},[694,1562,1274],{"class":993},[694,1564,867],{"class":787},[694,1566,1209],{"class":700},[694,1568,997],{"class":787},[694,1570,1003],{"class":787},[694,1572,1573,1575,1578,1580,1582],{"class":696,"line":840},[694,1574,1179],{"class":905},[694,1576,1577],{"class":780}," log",[694,1579,1189],{"class":787},[694,1581,1531],{"class":850},[694,1583,1584],{"class":863},"()\n",[694,1586,1587,1590,1592,1594,1596,1598,1600,1602,1604,1606,1608,1610],{"class":696,"line":847},[694,1588,1589],{"class":780},"  log",[694,1591,950],{"class":787},[694,1593,1019],{"class":850},[694,1595,854],{"class":863},[694,1597,920],{"class":787},[694,1599,1234],{"class":863},[694,1601,867],{"class":787},[694,1603,802],{"class":787},[694,1605,1184],{"class":780},[694,1607,808],{"class":787},[694,1609,808],{"class":787},[694,1611,894],{"class":863},[694,1613,1614],{"class":696,"line":860},[694,1615,844],{"emptyLinePlaceholder":843},[694,1617,1618,1620,1622,1624,1626,1628,1630,1632,1634,1636],{"class":696,"line":888},[694,1619,1179],{"class":905},[694,1621,1234],{"class":780},[694,1623,1189],{"class":787},[694,1625,1261],{"class":776},[694,1627,1264],{"class":780},[694,1629,950],{"class":787},[694,1631,1269],{"class":850},[694,1633,854],{"class":863},[694,1635,1274],{"class":780},[694,1637,894],{"class":863},[694,1639,1640,1642,1644,1646,1648,1650,1652,1654,1656,1658,1660,1662,1664,1666,1668,1670,1672,1674,1676,1678,1680,1682],{"class":696,"line":897},[694,1641,1589],{"class":780},[694,1643,950],{"class":787},[694,1645,1019],{"class":850},[694,1647,854],{"class":863},[694,1649,920],{"class":787},[694,1651,1234],{"class":863},[694,1653,867],{"class":787},[694,1655,802],{"class":787},[694,1657,1301],{"class":863},[694,1659,867],{"class":787},[694,1661,1234],{"class":780},[694,1663,950],{"class":787},[694,1665,1310],{"class":780},[694,1667,984],{"class":787},[694,1669,1315],{"class":863},[694,1671,867],{"class":787},[694,1673,1234],{"class":780},[694,1675,950],{"class":787},[694,1677,1324],{"class":780},[694,1679,808],{"class":787},[694,1681,808],{"class":787},[694,1683,894],{"class":863},[694,1685,1686],{"class":696,"line":902},[694,1687,844],{"emptyLinePlaceholder":843},[694,1689,1690,1692],{"class":696,"line":936},[694,1691,1045],{"class":776},[694,1693,1694],{"class":780}," user\n",[694,1696,1697],{"class":696,"line":941},[694,1698,1699],{"class":787},"}\n",[684,1701,1703],{"className":766,"code":1702,"filename":768,"language":769,"meta":690,"style":690},"import { findUser } from '.\u002Fservices\u002Fuser'\n\napp.get('\u002Fusers\u002F:id', async (request) => {\n  const { id } = request.params as { id: string }\n  const user = await findUser(id)\n  return user\n})\n",[612,1704,1705,1724,1728,1758,1788,1806,1812],{"__ignoreMap":690},[694,1706,1707,1709,1711,1713,1715,1717,1719,1722],{"class":696,"line":697},[694,1708,777],{"class":776},[694,1710,802],{"class":787},[694,1712,1558],{"class":780},[694,1714,808],{"class":787},[694,1716,811],{"class":776},[694,1718,788],{"class":787},[694,1720,1721],{"class":703},".\u002Fservices\u002Fuser",[694,1723,794],{"class":787},[694,1725,1726],{"class":696,"line":797},[694,1727,844],{"emptyLinePlaceholder":843},[694,1729,1730,1732,1734,1736,1738,1740,1742,1744,1746,1748,1750,1752,1754,1756],{"class":696,"line":821},[694,1731,967],{"class":780},[694,1733,950],{"class":787},[694,1735,972],{"class":850},[694,1737,854],{"class":780},[694,1739,882],{"class":787},[694,1741,1158],{"class":703},[694,1743,882],{"class":787},[694,1745,984],{"class":787},[694,1747,987],{"class":905},[694,1749,990],{"class":787},[694,1751,994],{"class":993},[694,1753,997],{"class":787},[694,1755,1000],{"class":905},[694,1757,1003],{"class":787},[694,1759,1760,1762,1764,1766,1768,1770,1772,1774,1776,1778,1780,1782,1784,1786],{"class":696,"line":840},[694,1761,1179],{"class":905},[694,1763,802],{"class":787},[694,1765,1184],{"class":780},[694,1767,808],{"class":787},[694,1769,1189],{"class":787},[694,1771,1192],{"class":780},[694,1773,950],{"class":787},[694,1775,1197],{"class":780},[694,1777,1200],{"class":776},[694,1779,802],{"class":787},[694,1781,1184],{"class":863},[694,1783,867],{"class":787},[694,1785,1209],{"class":700},[694,1787,1058],{"class":787},[694,1789,1790,1792,1794,1796,1798,1800,1802,1804],{"class":696,"line":847},[694,1791,1179],{"class":905},[694,1793,1234],{"class":780},[694,1795,1189],{"class":787},[694,1797,1261],{"class":776},[694,1799,1558],{"class":850},[694,1801,854],{"class":863},[694,1803,1274],{"class":780},[694,1805,894],{"class":863},[694,1807,1808,1810],{"class":696,"line":860},[694,1809,1045],{"class":776},[694,1811,1694],{"class":780},[694,1813,1814,1816],{"class":696,"line":888},[694,1815,891],{"class":787},[694,1817,894],{"class":780},[608,1819,1820,1821,619,1823,1825,1826,1828,1829,1832],{},"Both ",[612,1822,618],{},[612,1824,622],{}," return the same logger instance. ",[612,1827,622],{}," uses ",[612,1830,1831],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[672,1834,1836,1837,997],{"id":1835},"background-work-logfork","Background work (",[612,1838,1839],{},"log.fork",[608,1841,1513,1842,1845,1846,1849,1850,1854],{},[612,1843,1844],{},"request.log.fork(label, fn)"," for async work that should emit a ",[1105,1847,1848],{},"separate"," child wide event after the response. See ",[661,1851,1853],{"href":1852},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[684,1856,1858],{"className":766,"code":1857,"filename":768,"language":769,"meta":690,"style":690},"import { evlog, useLogger } from 'evlog\u002Ffastify'\n\napp.post('\u002Forders', async (request, reply) => {\n  request.log.fork!('fulfill', async () => {\n    const log = useLogger()\n    log.set({ step: 'ok' })\n  })\n  return { ok: true }\n})\n",[612,1859,1860,1882,1886,1923,1959,1972,2001,2008,2022],{"__ignoreMap":690},[694,1861,1862,1864,1866,1868,1870,1872,1874,1876,1878,1880],{"class":696,"line":697},[694,1863,777],{"class":776},[694,1865,802],{"class":787},[694,1867,707],{"class":780},[694,1869,984],{"class":787},[694,1871,1531],{"class":780},[694,1873,808],{"class":787},[694,1875,811],{"class":776},[694,1877,788],{"class":787},[694,1879,614],{"class":703},[694,1881,794],{"class":787},[694,1883,1884],{"class":696,"line":797},[694,1885,844],{"emptyLinePlaceholder":843},[694,1887,1888,1890,1892,1895,1897,1899,1902,1904,1906,1908,1910,1912,1914,1917,1919,1921],{"class":696,"line":821},[694,1889,967],{"class":780},[694,1891,950],{"class":787},[694,1893,1894],{"class":850},"post",[694,1896,854],{"class":780},[694,1898,882],{"class":787},[694,1900,1901],{"class":703},"\u002Forders",[694,1903,882],{"class":787},[694,1905,984],{"class":787},[694,1907,987],{"class":905},[694,1909,990],{"class":787},[694,1911,994],{"class":993},[694,1913,984],{"class":787},[694,1915,1916],{"class":993}," reply",[694,1918,997],{"class":787},[694,1920,1000],{"class":905},[694,1922,1003],{"class":787},[694,1924,1925,1927,1929,1931,1933,1936,1939,1941,1943,1946,1948,1950,1952,1955,1957],{"class":696,"line":840},[694,1926,1009],{"class":780},[694,1928,950],{"class":787},[694,1930,1014],{"class":780},[694,1932,950],{"class":787},[694,1934,1935],{"class":850},"fork",[694,1937,1938],{"class":787},"!",[694,1940,854],{"class":863},[694,1942,882],{"class":787},[694,1944,1945],{"class":703},"fulfill",[694,1947,882],{"class":787},[694,1949,984],{"class":787},[694,1951,987],{"class":905},[694,1953,1954],{"class":787}," ()",[694,1956,1000],{"class":905},[694,1958,1003],{"class":787},[694,1960,1961,1964,1966,1968,1970],{"class":696,"line":847},[694,1962,1963],{"class":905},"    const",[694,1965,1577],{"class":780},[694,1967,1189],{"class":787},[694,1969,1531],{"class":850},[694,1971,1584],{"class":863},[694,1973,1974,1977,1979,1981,1983,1985,1988,1990,1992,1995,1997,1999],{"class":696,"line":860},[694,1975,1976],{"class":780},"    log",[694,1978,950],{"class":787},[694,1980,1019],{"class":850},[694,1982,854],{"class":863},[694,1984,920],{"class":787},[694,1986,1987],{"class":863}," step",[694,1989,867],{"class":787},[694,1991,788],{"class":787},[694,1993,1994],{"class":703},"ok",[694,1996,882],{"class":787},[694,1998,808],{"class":787},[694,2000,894],{"class":863},[694,2002,2003,2006],{"class":696,"line":888},[694,2004,2005],{"class":787},"  }",[694,2007,894],{"class":863},[694,2009,2010,2012,2014,2016,2018,2020],{"class":696,"line":897},[694,2011,1045],{"class":776},[694,2013,802],{"class":787},[694,2015,1050],{"class":863},[694,2017,867],{"class":787},[694,2019,1055],{"class":928},[694,2021,1058],{"class":787},[694,2023,2024,2026],{"class":696,"line":902},[694,2025,891],{"class":787},[694,2027,894],{"class":780},[672,2029,2031],{"id":2030},"error-handling","Error Handling",[608,2033,1513,2034,2037,2038,2041,2042,2045,2046,2049,2050,867],{},[612,2035,2036],{},"createError"," for structured errors with ",[612,2039,2040],{},"why",", ",[612,2043,2044],{},"fix",", and ",[612,2047,2048],{},"link"," fields. Fastify captures thrown errors via ",[612,2051,2052],{},"onError",[684,2054,2056],{"className":766,"code":2055,"filename":768,"language":769,"meta":690,"style":690},"import { createError, parseError } from 'evlog'\n\napp.get('\u002Fcheckout', async (_request, reply) => {\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\napp.setErrorHandler((error, _request, reply) => {\n  const parsed = parseError(error)\n  reply.status(parsed.status).send({\n    message: parsed.message,\n    why: parsed.why,\n    fix: parsed.fix,\n    link: parsed.link,\n  })\n})\n",[612,2057,2058,2082,2086,2122,2133,2150,2162,2178,2194,2210,2216,2222,2226,2257,2274,2304,2319,2333,2347,2362,2369],{"__ignoreMap":690},[694,2059,2060,2062,2064,2067,2069,2072,2074,2076,2078,2080],{"class":696,"line":697},[694,2061,777],{"class":776},[694,2063,802],{"class":787},[694,2065,2066],{"class":780}," createError",[694,2068,984],{"class":787},[694,2070,2071],{"class":780}," parseError",[694,2073,808],{"class":787},[694,2075,811],{"class":776},[694,2077,788],{"class":787},[694,2079,816],{"class":703},[694,2081,794],{"class":787},[694,2083,2084],{"class":696,"line":797},[694,2085,844],{"emptyLinePlaceholder":843},[694,2087,2088,2090,2092,2094,2096,2098,2101,2103,2105,2107,2109,2112,2114,2116,2118,2120],{"class":696,"line":821},[694,2089,967],{"class":780},[694,2091,950],{"class":787},[694,2093,972],{"class":850},[694,2095,854],{"class":780},[694,2097,882],{"class":787},[694,2099,2100],{"class":703},"\u002Fcheckout",[694,2102,882],{"class":787},[694,2104,984],{"class":787},[694,2106,987],{"class":905},[694,2108,990],{"class":787},[694,2110,2111],{"class":993},"_request",[694,2113,984],{"class":787},[694,2115,1916],{"class":993},[694,2117,997],{"class":787},[694,2119,1000],{"class":905},[694,2121,1003],{"class":787},[694,2123,2124,2127,2129,2131],{"class":696,"line":840},[694,2125,2126],{"class":776},"  throw",[694,2128,2066],{"class":850},[694,2130,854],{"class":863},[694,2132,857],{"class":787},[694,2134,2135,2138,2140,2142,2145,2147],{"class":696,"line":847},[694,2136,2137],{"class":863},"    message",[694,2139,867],{"class":787},[694,2141,788],{"class":787},[694,2143,2144],{"class":703},"Payment failed",[694,2146,882],{"class":787},[694,2148,2149],{"class":787},",\n",[694,2151,2152,2155,2157,2160],{"class":696,"line":860},[694,2153,2154],{"class":863},"    status",[694,2156,867],{"class":787},[694,2158,2159],{"class":1094}," 402",[694,2161,2149],{"class":787},[694,2163,2164,2167,2169,2171,2174,2176],{"class":696,"line":888},[694,2165,2166],{"class":863},"    why",[694,2168,867],{"class":787},[694,2170,788],{"class":787},[694,2172,2173],{"class":703},"Card declined by issuer",[694,2175,882],{"class":787},[694,2177,2149],{"class":787},[694,2179,2180,2183,2185,2187,2190,2192],{"class":696,"line":897},[694,2181,2182],{"class":863},"    fix",[694,2184,867],{"class":787},[694,2186,788],{"class":787},[694,2188,2189],{"class":703},"Try a different payment method",[694,2191,882],{"class":787},[694,2193,2149],{"class":787},[694,2195,2196,2199,2201,2203,2206,2208],{"class":696,"line":902},[694,2197,2198],{"class":863},"    link",[694,2200,867],{"class":787},[694,2202,788],{"class":787},[694,2204,2205],{"class":703},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[694,2207,882],{"class":787},[694,2209,2149],{"class":787},[694,2211,2212,2214],{"class":696,"line":936},[694,2213,2005],{"class":787},[694,2215,894],{"class":863},[694,2217,2218,2220],{"class":696,"line":941},[694,2219,891],{"class":787},[694,2221,894],{"class":780},[694,2223,2224],{"class":696,"line":959},[694,2225,844],{"emptyLinePlaceholder":843},[694,2227,2228,2230,2232,2235,2237,2239,2242,2244,2247,2249,2251,2253,2255],{"class":696,"line":964},[694,2229,967],{"class":780},[694,2231,950],{"class":787},[694,2233,2234],{"class":850},"setErrorHandler",[694,2236,854],{"class":780},[694,2238,854],{"class":787},[694,2240,2241],{"class":993},"error",[694,2243,984],{"class":787},[694,2245,2246],{"class":993}," _request",[694,2248,984],{"class":787},[694,2250,1916],{"class":993},[694,2252,997],{"class":787},[694,2254,1000],{"class":905},[694,2256,1003],{"class":787},[694,2258,2259,2261,2264,2266,2268,2270,2272],{"class":696,"line":1006},[694,2260,1179],{"class":905},[694,2262,2263],{"class":780}," parsed",[694,2265,1189],{"class":787},[694,2267,2071],{"class":850},[694,2269,854],{"class":863},[694,2271,2241],{"class":780},[694,2273,894],{"class":863},[694,2275,2276,2279,2281,2284,2286,2289,2291,2293,2295,2297,2300,2302],{"class":696,"line":1042},[694,2277,2278],{"class":780},"  reply",[694,2280,950],{"class":787},[694,2282,2283],{"class":850},"status",[694,2285,854],{"class":863},[694,2287,2288],{"class":780},"parsed",[694,2290,950],{"class":787},[694,2292,2283],{"class":780},[694,2294,997],{"class":863},[694,2296,950],{"class":787},[694,2298,2299],{"class":850},"send",[694,2301,854],{"class":863},[694,2303,857],{"class":787},[694,2305,2306,2308,2310,2312,2314,2317],{"class":696,"line":1061},[694,2307,2137],{"class":863},[694,2309,867],{"class":787},[694,2311,2263],{"class":780},[694,2313,950],{"class":787},[694,2315,2316],{"class":780},"message",[694,2318,2149],{"class":787},[694,2320,2321,2323,2325,2327,2329,2331],{"class":696,"line":1068},[694,2322,2166],{"class":863},[694,2324,867],{"class":787},[694,2326,2263],{"class":780},[694,2328,950],{"class":787},[694,2330,2040],{"class":780},[694,2332,2149],{"class":787},[694,2334,2335,2337,2339,2341,2343,2345],{"class":696,"line":1073},[694,2336,2182],{"class":863},[694,2338,867],{"class":787},[694,2340,2263],{"class":780},[694,2342,950],{"class":787},[694,2344,2044],{"class":780},[694,2346,2149],{"class":787},[694,2348,2350,2352,2354,2356,2358,2360],{"class":696,"line":2349},19,[694,2351,2198],{"class":863},[694,2353,867],{"class":787},[694,2355,2263],{"class":780},[694,2357,950],{"class":787},[694,2359,2048],{"class":780},[694,2361,2149],{"class":787},[694,2363,2365,2367],{"class":696,"line":2364},20,[694,2366,2005],{"class":787},[694,2368,894],{"class":863},[694,2370,2372,2374],{"class":696,"line":2371},21,[694,2373,891],{"class":787},[694,2375,894],{"class":780},[608,2377,2378],{},"The error is captured and logged with both the custom context and structured error fields:",[684,2380,2382],{"className":686,"code":2381,"filename":1447,"language":689,"meta":690,"style":690},"14:58:20 ERROR [my-api] GET \u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  └─ requestId: 880a50ac-...\n",[612,2383,2384,2395,2417],{"__ignoreMap":690},[694,2385,2386,2389,2392],{"class":696,"line":697},[694,2387,2388],{"class":700},"14:58:20",[694,2390,2391],{"class":703}," ERROR",[694,2393,2394],{"class":780}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[694,2396,2397,2399,2402,2405,2408,2411,2414],{"class":696,"line":797},[694,2398,1465],{"class":700},[694,2400,2401],{"class":703}," error:",[694,2403,2404],{"class":703}," name=EvlogError",[694,2406,2407],{"class":703}," message=Payment",[694,2409,2410],{"class":703}," failed",[694,2412,2413],{"class":703}," status=",[694,2415,2416],{"class":1094},"402\n",[694,2418,2419,2421,2423],{"class":696,"line":821},[694,2420,1501],{"class":700},[694,2422,1504],{"class":703},[694,2424,2425],{"class":703}," 880a50ac-...\n",[672,2427,547],{"id":2428},"configuration",[608,2430,2431,2432,2435,2436,2438],{},"See the ",[661,2433,2434],{"href":548},"Configuration reference"," for all available options (",[612,2437,851],{},", middleware options, sampling, silent mode, etc.).",[672,2440,2442],{"id":2441},"drain-enrichers","Drain & Enrichers",[608,2444,2445],{},"Configure drain adapters and enrichers directly in the plugin options:",[684,2447,2449],{"className":766,"code":2448,"filename":768,"language":769,"meta":690,"style":690},"import { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\n\nconst userAgent = createUserAgentEnricher()\n\nawait app.register(evlog, {\n  drain: createAxiomDrain(),\n  enrich: (ctx) => {\n    userAgent(ctx)\n    ctx.event.region = process.env.FLY_REGION\n  },\n})\n",[612,2450,2451,2471,2491,2495,2508,2512,2529,2543,2561,2572,2602,2607],{"__ignoreMap":690},[694,2452,2453,2455,2457,2460,2462,2464,2466,2469],{"class":696,"line":697},[694,2454,777],{"class":776},[694,2456,802],{"class":787},[694,2458,2459],{"class":780}," createAxiomDrain",[694,2461,808],{"class":787},[694,2463,811],{"class":776},[694,2465,788],{"class":787},[694,2467,2468],{"class":703},"evlog\u002Faxiom",[694,2470,794],{"class":787},[694,2472,2473,2475,2477,2480,2482,2484,2486,2489],{"class":696,"line":797},[694,2474,777],{"class":776},[694,2476,802],{"class":787},[694,2478,2479],{"class":780}," createUserAgentEnricher",[694,2481,808],{"class":787},[694,2483,811],{"class":776},[694,2485,788],{"class":787},[694,2487,2488],{"class":703},"evlog\u002Fenrichers",[694,2490,794],{"class":787},[694,2492,2493],{"class":696,"line":821},[694,2494,844],{"emptyLinePlaceholder":843},[694,2496,2497,2499,2502,2504,2506],{"class":696,"line":840},[694,2498,906],{"class":905},[694,2500,2501],{"class":780}," userAgent ",[694,2503,912],{"class":787},[694,2505,2479],{"class":850},[694,2507,1584],{"class":780},[694,2509,2510],{"class":696,"line":847},[694,2511,844],{"emptyLinePlaceholder":843},[694,2513,2514,2516,2518,2520,2522,2525,2527],{"class":696,"line":860},[694,2515,944],{"class":776},[694,2517,947],{"class":780},[694,2519,950],{"class":787},[694,2521,953],{"class":850},[694,2523,2524],{"class":780},"(evlog",[694,2526,984],{"class":787},[694,2528,1003],{"class":787},[694,2530,2531,2534,2536,2538,2541],{"class":696,"line":888},[694,2532,2533],{"class":863},"  drain",[694,2535,867],{"class":787},[694,2537,2459],{"class":850},[694,2539,2540],{"class":780},"()",[694,2542,2149],{"class":787},[694,2544,2545,2548,2550,2552,2555,2557,2559],{"class":696,"line":897},[694,2546,2547],{"class":850},"  enrich",[694,2549,867],{"class":787},[694,2551,990],{"class":787},[694,2553,2554],{"class":993},"ctx",[694,2556,997],{"class":787},[694,2558,1000],{"class":905},[694,2560,1003],{"class":787},[694,2562,2563,2566,2568,2570],{"class":696,"line":902},[694,2564,2565],{"class":850},"    userAgent",[694,2567,854],{"class":863},[694,2569,2554],{"class":780},[694,2571,894],{"class":863},[694,2573,2574,2577,2579,2582,2584,2587,2589,2592,2594,2597,2599],{"class":696,"line":936},[694,2575,2576],{"class":780},"    ctx",[694,2578,950],{"class":787},[694,2580,2581],{"class":780},"event",[694,2583,950],{"class":787},[694,2585,2586],{"class":780},"region",[694,2588,1189],{"class":787},[694,2590,2591],{"class":780}," process",[694,2593,950],{"class":787},[694,2595,2596],{"class":780},"env",[694,2598,950],{"class":787},[694,2600,2601],{"class":780},"FLY_REGION\n",[694,2603,2604],{"class":696,"line":941},[694,2605,2606],{"class":787},"  },\n",[694,2608,2609,2611],{"class":696,"line":959},[694,2610,891],{"class":787},[694,2612,894],{"class":780},[676,2614,2616],{"id":2615},"pipeline-batching-retry","Pipeline (Batching & Retry)",[608,2618,2619,2620,2623],{},"For production, wrap your adapter with ",[612,2621,2622],{},"createDrainPipeline"," to batch events and retry on failure:",[684,2625,2627],{"className":766,"code":2626,"filename":768,"language":769,"meta":690,"style":690},"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\nawait app.register(evlog, { drain })\n",[612,2628,2629,2651,2669,2689,2693,2717,2746,2765,2771,2791,2795],{"__ignoreMap":690},[694,2630,2631,2633,2636,2638,2641,2643,2645,2647,2649],{"class":696,"line":697},[694,2632,777],{"class":776},[694,2634,2635],{"class":776}," type",[694,2637,802],{"class":787},[694,2639,2640],{"class":780}," DrainContext",[694,2642,808],{"class":787},[694,2644,811],{"class":776},[694,2646,788],{"class":787},[694,2648,816],{"class":703},[694,2650,794],{"class":787},[694,2652,2653,2655,2657,2659,2661,2663,2665,2667],{"class":696,"line":797},[694,2654,777],{"class":776},[694,2656,802],{"class":787},[694,2658,2459],{"class":780},[694,2660,808],{"class":787},[694,2662,811],{"class":776},[694,2664,788],{"class":787},[694,2666,2468],{"class":703},[694,2668,794],{"class":787},[694,2670,2671,2673,2675,2678,2680,2682,2684,2687],{"class":696,"line":821},[694,2672,777],{"class":776},[694,2674,802],{"class":787},[694,2676,2677],{"class":780}," createDrainPipeline",[694,2679,808],{"class":787},[694,2681,811],{"class":776},[694,2683,788],{"class":787},[694,2685,2686],{"class":703},"evlog\u002Fpipeline",[694,2688,794],{"class":787},[694,2690,2691],{"class":696,"line":840},[694,2692,844],{"emptyLinePlaceholder":843},[694,2694,2695,2697,2700,2702,2704,2707,2710,2713,2715],{"class":696,"line":847},[694,2696,906],{"class":905},[694,2698,2699],{"class":780}," pipeline ",[694,2701,912],{"class":787},[694,2703,2677],{"class":850},[694,2705,2706],{"class":787},"\u003C",[694,2708,2709],{"class":700},"DrainContext",[694,2711,2712],{"class":787},">",[694,2714,854],{"class":780},[694,2716,857],{"class":787},[694,2718,2719,2722,2724,2726,2729,2731,2734,2736,2739,2741,2744],{"class":696,"line":860},[694,2720,2721],{"class":863},"  batch",[694,2723,867],{"class":787},[694,2725,802],{"class":787},[694,2727,2728],{"class":863}," size",[694,2730,867],{"class":787},[694,2732,2733],{"class":1094}," 50",[694,2735,984],{"class":787},[694,2737,2738],{"class":863}," intervalMs",[694,2740,867],{"class":787},[694,2742,2743],{"class":1094}," 5000",[694,2745,885],{"class":787},[694,2747,2748,2751,2753,2755,2758,2760,2763],{"class":696,"line":888},[694,2749,2750],{"class":863},"  retry",[694,2752,867],{"class":787},[694,2754,802],{"class":787},[694,2756,2757],{"class":863}," maxAttempts",[694,2759,867],{"class":787},[694,2761,2762],{"class":1094}," 3",[694,2764,885],{"class":787},[694,2766,2767,2769],{"class":696,"line":897},[694,2768,891],{"class":787},[694,2770,894],{"class":780},[694,2772,2773,2775,2778,2780,2783,2785,2788],{"class":696,"line":902},[694,2774,906],{"class":905},[694,2776,2777],{"class":780}," drain ",[694,2779,912],{"class":787},[694,2781,2782],{"class":850}," pipeline",[694,2784,854],{"class":780},[694,2786,2787],{"class":850},"createAxiomDrain",[694,2789,2790],{"class":780},"())\n",[694,2792,2793],{"class":696,"line":936},[694,2794,844],{"emptyLinePlaceholder":843},[694,2796,2797,2799,2801,2803,2805,2807,2809,2811,2813,2815],{"class":696,"line":941},[694,2798,944],{"class":776},[694,2800,947],{"class":780},[694,2802,950],{"class":787},[694,2804,953],{"class":850},[694,2806,2524],{"class":780},[694,2808,984],{"class":787},[694,2810,802],{"class":787},[694,2812,2777],{"class":780},[694,2814,891],{"class":787},[694,2816,894],{"class":780},[1101,2818,2819,2820,2823,2824,2827],{"color":1103,"icon":13},"Call ",[612,2821,2822],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[661,2825,2826],{"href":535},"Pipeline docs"," for all options.",[672,2829,2831],{"id":2830},"tail-sampling","Tail Sampling",[608,2833,1513,2834,2837],{},[612,2835,2836],{},"keep"," to force-retain specific events regardless of head sampling:",[684,2839,2841],{"className":766,"code":2840,"filename":768,"language":769,"meta":690,"style":690},"await app.register(evlog, {\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[612,2842,2843,2859,2871,2888,2932,2936],{"__ignoreMap":690},[694,2844,2845,2847,2849,2851,2853,2855,2857],{"class":696,"line":697},[694,2846,944],{"class":776},[694,2848,947],{"class":780},[694,2850,950],{"class":787},[694,2852,953],{"class":850},[694,2854,2524],{"class":780},[694,2856,984],{"class":787},[694,2858,1003],{"class":787},[694,2860,2861,2863,2865,2867,2869],{"class":696,"line":797},[694,2862,2533],{"class":863},[694,2864,867],{"class":787},[694,2866,2459],{"class":850},[694,2868,2540],{"class":780},[694,2870,2149],{"class":787},[694,2872,2873,2876,2878,2880,2882,2884,2886],{"class":696,"line":821},[694,2874,2875],{"class":850},"  keep",[694,2877,867],{"class":787},[694,2879,990],{"class":787},[694,2881,2554],{"class":993},[694,2883,997],{"class":787},[694,2885,1000],{"class":905},[694,2887,1003],{"class":787},[694,2889,2890,2893,2895,2897,2899,2902,2905,2908,2910,2912,2915,2918,2920,2922,2924,2927,2929],{"class":696,"line":840},[694,2891,2892],{"class":776},"    if",[694,2894,990],{"class":863},[694,2896,2554],{"class":780},[694,2898,950],{"class":787},[694,2900,2901],{"class":780},"duration",[694,2903,2904],{"class":787}," &&",[694,2906,2907],{"class":780}," ctx",[694,2909,950],{"class":787},[694,2911,2901],{"class":780},[694,2913,2914],{"class":787}," >",[694,2916,2917],{"class":1094}," 2000",[694,2919,1410],{"class":863},[694,2921,2554],{"class":780},[694,2923,950],{"class":787},[694,2925,2926],{"class":780},"shouldKeep",[694,2928,1189],{"class":787},[694,2930,2931],{"class":928}," true\n",[694,2933,2934],{"class":696,"line":847},[694,2935,2606],{"class":787},[694,2937,2938,2940],{"class":696,"line":860},[694,2939,891],{"class":787},[694,2941,894],{"class":780},[672,2943,2945],{"id":2944},"route-filtering","Route Filtering",[608,2947,2948,2949,619,2952,2955],{},"Control which routes are logged with ",[612,2950,2951],{},"include",[612,2953,2954],{},"exclude"," patterns:",[684,2957,2959],{"className":766,"code":2958,"filename":768,"language":769,"meta":690,"style":690},"await app.register(evlog, {\n  include: ['\u002Fapi\u002F**'],\n  exclude: ['\u002F_internal\u002F**', '\u002Fhealth'],\n  routes: {\n    '\u002Fapi\u002Fauth\u002F**': { service: 'auth-service' },\n    '\u002Fapi\u002Fpayment\u002F**': { service: 'payment-service' },\n  },\n})\n",[612,2960,2961,2977,2999,3027,3036,3063,3089,3093],{"__ignoreMap":690},[694,2962,2963,2965,2967,2969,2971,2973,2975],{"class":696,"line":697},[694,2964,944],{"class":776},[694,2966,947],{"class":780},[694,2968,950],{"class":787},[694,2970,953],{"class":850},[694,2972,2524],{"class":780},[694,2974,984],{"class":787},[694,2976,1003],{"class":787},[694,2978,2979,2982,2984,2987,2989,2992,2994,2997],{"class":696,"line":797},[694,2980,2981],{"class":863},"  include",[694,2983,867],{"class":787},[694,2985,2986],{"class":780}," [",[694,2988,882],{"class":787},[694,2990,2991],{"class":703},"\u002Fapi\u002F**",[694,2993,882],{"class":787},[694,2995,2996],{"class":780},"]",[694,2998,2149],{"class":787},[694,3000,3001,3004,3006,3008,3010,3013,3015,3017,3019,3021,3023,3025],{"class":696,"line":821},[694,3002,3003],{"class":863},"  exclude",[694,3005,867],{"class":787},[694,3007,2986],{"class":780},[694,3009,882],{"class":787},[694,3011,3012],{"class":703},"\u002F_internal\u002F**",[694,3014,882],{"class":787},[694,3016,984],{"class":787},[694,3018,788],{"class":787},[694,3020,979],{"class":703},[694,3022,882],{"class":787},[694,3024,2996],{"class":780},[694,3026,2149],{"class":787},[694,3028,3029,3032,3034],{"class":696,"line":840},[694,3030,3031],{"class":863},"  routes",[694,3033,867],{"class":787},[694,3035,1003],{"class":787},[694,3037,3038,3041,3044,3046,3048,3050,3052,3054,3056,3059,3061],{"class":696,"line":847},[694,3039,3040],{"class":787},"    '",[694,3042,3043],{"class":863},"\u002Fapi\u002Fauth\u002F**",[694,3045,882],{"class":787},[694,3047,867],{"class":787},[694,3049,802],{"class":787},[694,3051,872],{"class":863},[694,3053,867],{"class":787},[694,3055,788],{"class":787},[694,3057,3058],{"class":703},"auth-service",[694,3060,882],{"class":787},[694,3062,885],{"class":787},[694,3064,3065,3067,3070,3072,3074,3076,3078,3080,3082,3085,3087],{"class":696,"line":860},[694,3066,3040],{"class":787},[694,3068,3069],{"class":863},"\u002Fapi\u002Fpayment\u002F**",[694,3071,882],{"class":787},[694,3073,867],{"class":787},[694,3075,802],{"class":787},[694,3077,872],{"class":863},[694,3079,867],{"class":787},[694,3081,788],{"class":787},[694,3083,3084],{"class":703},"payment-service",[694,3086,882],{"class":787},[694,3088,885],{"class":787},[694,3090,3091],{"class":696,"line":888},[694,3092,2606],{"class":787},[694,3094,3095,3097],{"class":696,"line":897},[694,3096,891],{"class":787},[694,3098,894],{"class":780},[672,3100,3102],{"id":3101},"run-locally","Run 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