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completes.",[637,638,641,644,666],"prompt",{":actions":639,"description":640,"icon":258},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my SvelteKit app",[613,642,643],{},"Set up evlog in my SvelteKit app.",[645,646,647,651,654,657,660,663],"ul",{},[648,649,650],"li",{},"Install evlog: pnpm add evlog",[648,652,653],{},"Add evlog\u002Fvite plugin to vite.config.ts with service name (handles auto-init, debug stripping)",[648,655,656],{},"Export handle and handleError from evlog\u002Fsveltekit in hooks.server.ts",[648,658,659],{},"Access the logger via event.locals.log or useLogger() in routes and services",[648,661,662],{},"Use log.set() to accumulate context, throw createError() for structured errors",[648,664,665],{},"Wide events are auto-emitted when each request completes",[613,667,668,669,675,676],{},"Docs: ",[670,671,672],"a",{"href":672,"rel":673},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Fsveltekit",[674],"nofollow","\nAdapters: ",[670,677,678],{"href":678,"rel":679},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[674],[681,682,25],"h2",{"id":683},"quick-start",[685,686,688],"h3",{"id":687},"_1-install","1. Install",[690,691,692,717,731,745],"code-group",{},[693,694,700],"pre",{"className":695,"code":696,"filename":697,"language":698,"meta":699,"style":699},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog\n","pnpm","bash","",[617,701,702],{"__ignoreMap":699},[703,704,707,710,714],"span",{"class":705,"line":706},"line",1,[703,708,697],{"class":709},"sBMFI",[703,711,713],{"class":712},"sfazB"," add",[703,715,716],{"class":712}," evlog\n",[693,718,721],{"className":695,"code":719,"filename":720,"language":698,"meta":699,"style":699},"bun add evlog\n","bun",[617,722,723],{"__ignoreMap":699},[703,724,725,727,729],{"class":705,"line":706},[703,726,720],{"class":709},[703,728,713],{"class":712},[703,730,716],{"class":712},[693,732,735],{"className":695,"code":733,"filename":734,"language":698,"meta":699,"style":699},"yarn add evlog\n","yarn",[617,736,737],{"__ignoreMap":699},[703,738,739,741,743],{"class":705,"line":706},[703,740,734],{"class":709},[703,742,713],{"class":712},[703,744,716],{"class":712},[693,746,749],{"className":695,"code":747,"filename":748,"language":698,"meta":699,"style":699},"npm install evlog\n","npm",[617,750,751],{"__ignoreMap":699},[703,752,753,755,758],{"class":705,"line":706},[703,754,748],{"class":709},[703,756,757],{"class":712}," install",[703,759,716],{"class":712},[685,761,763],{"id":762},"_2-add-the-vite-plugin","2. 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One request = one wide event:",[693,1126,1129],{"className":766,"code":1127,"filename":1128,"language":769,"meta":699,"style":699},"import { json } from '@sveltejs\u002Fkit'\nimport type { RequestHandler } from '.\u002F$types'\n\nexport const GET: RequestHandler = async ({ locals, params }) => {\n  locals.log.set({ user: { id: params.id } })\n\n  const user = await db.findUser(params.id)\n  locals.log.set({ user: { name: user.name, plan: user.plan } })\n\n  const orders = await db.findOrders(params.id)\n  locals.log.set({ orders: { count: orders.length, totalRevenue: sum(orders) } })\n\n  return json({ user, orders })\n}\n","src\u002Froutes\u002Fapi\u002Fusers\u002F[id]\u002F+server.ts",[617,1130,1131,1151,1173,1177,1215,1261,1265,1296,1350,1354,1382,1440,1444,1466],{"__ignoreMap":699},[703,1132,1133,1135,1137,1140,1142,1144,1146,1149],{"class":705,"line":706},[703,1134,777],{"class":776},[703,1136,781],{"class":780},[703,1138,1139],{"class":784}," 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return",[703,1451,1139],{"class":858},[703,1453,861],{"class":870},[703,1455,1235],{"class":780},[703,1457,1238],{"class":784},[703,1459,1001],{"class":780},[703,1461,1360],{"class":784},[703,1463,788],{"class":780},[703,1465,945],{"class":870},[703,1467,1469],{"class":705,"line":1468},14,[703,1470,1107],{"class":780},[613,1472,1473],{},"All fields are merged into a single wide event emitted when the request completes:",[693,1475,1478],{"className":695,"code":1476,"filename":1477,"language":698,"meta":699,"style":699},"14:58:15 INFO [my-api] GET \u002Fapi\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",[617,1479,1480,1491,1512,1528],{"__ignoreMap":699},[703,1481,1482,1485,1488],{"class":705,"line":706},[703,1483,1484],{"class":709},"14:58:15",[703,1486,1487],{"class":712}," INFO",[703,1489,1490],{"class":784}," [my-api] GET \u002Fapi\u002Fusers\u002Fusr_123 200 in 12ms\n",[703,1492,1493,1496,1499,1502,1506,1509],{"class":705,"line":803},[703,1494,1495],{"class":709},"  ├─",[703,1497,1498],{"class":712}," orders:",[703,1500,1501],{"class":712}," count=",[703,1503,1505],{"class":1504},"sbssI","2",[703,1507,1508],{"class":712}," totalRevenue=",[703,1510,1511],{"class":1504},"6298\n",[703,1513,1514,1516,1519,1522,1525],{"class":705,"line":821},[703,1515,1495],{"class":709},[703,1517,1518],{"class":712}," user:",[703,1520,1521],{"class":712}," id=usr_123",[703,1523,1524],{"class":712}," name=Alice",[703,1526,1527],{"class":712}," plan=pro\n",[703,1529,1530,1533,1536],{"class":705,"line":842},[703,1531,1532],{"class":709},"  └─",[703,1534,1535],{"class":712}," requestId:",[703,1537,1538],{"class":712}," 4a8ff3a8-...\n",[681,1540,634],{"id":1541},"uselogger",[613,1543,1544,1545,1547],{},"Use ",[617,1546,634],{}," to access the request-scoped logger from anywhere in the call stack without passing locals through your service layer:",[693,1549,1552],{"className":766,"code":1550,"filename":1551,"language":769,"meta":699,"style":699},"import { useLogger } from 'evlog\u002Fsveltekit'\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\u002Flib\u002Fservices\u002Fuser.ts",[617,1553,1554,1573,1577,1602,1615,1642,1646,1668,1714,1718,1725],{"__ignoreMap":699},[703,1555,1556,1558,1560,1563,1565,1567,1569,1571],{"class":705,"line":706},[703,1557,777],{"class":776},[703,1559,781],{"class":780},[703,1561,1562],{"class":784}," useLogger",[703,1564,788],{"class":780},[703,1566,791],{"class":776},[703,1568,794],{"class":780},[703,1570,619],{"class":712},[703,1572,800],{"class":780},[703,1574,1575],{"class":705,"line":803},[703,1576,846],{"emptyLinePlaceholder":845},[703,1578,1579,1581,1583,1586,1589,1591,1593,1595,1598,1600],{"class":705,"line":821},[703,1580,852],{"class":776},[703,1582,1194],{"class":992},[703,1584,1585],{"class":992}," function",[703,1587,1588],{"class":858}," findUser",[703,1590,861],{"class":780},[703,1592,1254],{"class":1200},[703,1594,874],{"class":780},[703,1596,1597],{"class":709}," string",[703,1599,926],{"class":780},[703,1601,1072],{"class":780},[703,1603,1604,1606,1609,1611,1613],{"class":705,"line":842},[703,1605,1269],{"class":992},[703,1607,1608],{"class":784}," log",[703,1610,1009],{"class":780},[703,1612,1562],{"class":858},[703,1614,1014],{"class":870},[703,1616,1617,1620,1622,1624,1626,1628,1630,1632,1634,1636,1638,1640],{"class":705,"line":849},[703,1618,1619],{"class":784},"  log",[703,1621,1222],{"class":780},[703,1623,1230],{"class":858},[703,1625,861],{"class":870},[703,1627,1235],{"class":780},[703,1629,1238],{"class":870},[703,1631,874],{"class":780},[703,1633,781],{"class":780},[703,1635,1245],{"class":784},[703,1637,788],{"class":780},[703,1639,788],{"class":780},[703,1641,945],{"class":870},[703,1643,1644],{"class":705,"line":867},[703,1645,846],{"emptyLinePlaceholder":845},[703,1647,1648,1650,1652,1654,1656,1658,1660,1662,1664,1666],{"class":705,"line":880},[703,1649,1269],{"class":992},[703,1651,1238],{"class":784},[703,1653,1009],{"class":780},[703,1655,1276],{"class":776},[703,1657,1279],{"class":784},[703,1659,1222],{"class":780},[703,1661,1284],{"class":858},[703,1663,861],{"class":870},[703,1665,1254],{"class":784},[703,1667,945],{"class":870},[703,1669,1670,1672,1674,1676,1678,1680,1682,1684,1686,1688,1690,1692,1694,1696,1698,1700,1702,1704,1706,1708,1710,1712],{"class":705,"line":892},[703,1671,1619],{"class":784},[703,1673,1222],{"class":780},[703,1675,1230],{"class":858},[703,1677,861],{"class":870},[703,1679,1235],{"class":780},[703,1681,1238],{"class":870},[703,1683,874],{"class":780},[703,1685,781],{"class":780},[703,1687,1320],{"class":870},[703,1689,874],{"class":780},[703,1691,1238],{"class":784},[703,1693,1222],{"class":780},[703,1695,1329],{"class":784},[703,1697,1001],{"class":780},[703,1699,1334],{"class":870},[703,1701,874],{"class":780},[703,1703,1238],{"class":784},[703,1705,1222],{"class":780},[703,1707,1343],{"class":784},[703,1709,788],{"class":780},[703,1711,788],{"class":780},[703,1713,945],{"class":870},[703,1715,1716],{"class":705,"line":902},[703,1717,846],{"emptyLinePlaceholder":845},[703,1719,1720,1722],{"class":705,"line":920},[703,1721,1449],{"class":776},[703,1723,1724],{"class":784}," user\n",[703,1726,1727],{"class":705,"line":931},[703,1728,1107],{"class":780},[693,1730,1732],{"className":766,"code":1731,"filename":1128,"language":769,"meta":699,"style":699},"import { json } from '@sveltejs\u002Fkit'\nimport { findUser } from '$lib\u002Fservices\u002Fuser'\nimport type { RequestHandler } from '.\u002F$types'\n\nexport const GET: RequestHandler = async ({ params }) => {\n  const user = await findUser(params.id)\n  return json(user)\n}\n",[617,1733,1734,1752,1771,1791,1795,1821,1843,1856],{"__ignoreMap":699},[703,1735,1736,1738,1740,1742,1744,1746,1748,1750],{"class":705,"line":706},[703,1737,777],{"class":776},[703,1739,781],{"class":780},[703,1741,1139],{"class":784},[703,1743,788],{"class":780},[703,1745,791],{"class":776},[703,1747,794],{"class":780},[703,1749,1148],{"class":712},[703,1751,800],{"class":780},[703,1753,1754,1756,1758,1760,1762,1764,1766,1769],{"class":705,"line":803},[703,1755,777],{"class":776},[703,1757,781],{"class":780},[703,1759,1588],{"class":784},[703,1761,788],{"class":780},[703,1763,791],{"class":776},[703,1765,794],{"class":780},[703,1767,1768],{"class":712},"$lib\u002Fservices\u002Fuser",[703,1770,800],{"class":780},[703,1772,1773,1775,1777,1779,1781,1783,1785,1787,1789],{"class":705,"line":821},[703,1774,777],{"class":776},[703,1776,1031],{"class":776},[703,1778,781],{"class":780},[703,1780,1161],{"class":784},[703,1782,788],{"class":780},[703,1784,791],{"class":776},[703,1786,794],{"class":780},[703,1788,1170],{"class":712},[703,1790,800],{"class":780},[703,1792,1793],{"class":705,"line":842},[703,1794,846],{"emptyLinePlaceholder":845},[703,1796,1797,1799,1801,1803,1805,1807,1809,1811,1813,1815,1817,1819],{"class":705,"line":849},[703,1798,852],{"class":776},[703,1800,993],{"class":992},[703,1802,1185],{"class":784},[703,1804,874],{"class":780},[703,1806,1161],{"class":709},[703,1808,1009],{"class":780},[703,1810,1194],{"class":992},[703,1812,1197],{"class":780},[703,1814,1206],{"class":1200},[703,1816,1209],{"class":780},[703,1818,1212],{"class":992},[703,1820,1072],{"class":780},[703,1822,1823,1825,1827,1829,1831,1833,1835,1837,1839,1841],{"class":705,"line":867},[703,1824,1269],{"class":992},[703,1826,1238],{"class":784},[703,1828,1009],{"class":780},[703,1830,1276],{"class":776},[703,1832,1588],{"class":858},[703,1834,861],{"class":870},[703,1836,1289],{"class":784},[703,1838,1222],{"class":780},[703,1840,1254],{"class":784},[703,1842,945],{"class":870},[703,1844,1845,1847,1849,1851,1854],{"class":705,"line":880},[703,1846,1449],{"class":776},[703,1848,1139],{"class":858},[703,1850,861],{"class":870},[703,1852,1853],{"class":784},"user",[703,1855,945],{"class":870},[703,1857,1858],{"class":705,"line":892},[703,1859,1107],{"class":780},[613,1861,1862,1863,624,1865,1867,1868,1870,1871,1874],{},"Both ",[617,1864,631],{},[617,1866,634],{}," return the same logger instance. ",[617,1869,634],{}," uses ",[617,1872,1873],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[681,1876,1878,1879,926],{"id":1877},"background-work-logfork","Background work (",[617,1880,1881],{},"log.fork",[613,1883,1544,1884,1887,1888,1892],{},[617,1885,1886],{},"locals.log.fork(label, fn)"," for a child wide event. See ",[670,1889,1891],{"href":1890},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[693,1894,1897],{"className":766,"code":1895,"filename":1896,"language":769,"meta":699,"style":699},"import { useLogger } from 'evlog\u002Fsveltekit'\nimport type { RequestHandler } from '.\u002F$types'\n\nexport const POST: RequestHandler = async ({ locals }) => {\n  locals.log.fork!('process', async () => {\n    const log = useLogger()\n    log.set({ step: 'done' })\n  })\n  return new Response(JSON.stringify({ ok: true }))\n}\n","src\u002Froutes\u002Fapi\u002Forders\u002F+server.ts",[617,1898,1899,1917,1937,1941,1968,2004,2017,2046,2053,2091],{"__ignoreMap":699},[703,1900,1901,1903,1905,1907,1909,1911,1913,1915],{"class":705,"line":706},[703,1902,777],{"class":776},[703,1904,781],{"class":780},[703,1906,1562],{"class":784},[703,1908,788],{"class":780},[703,1910,791],{"class":776},[703,1912,794],{"class":780},[703,1914,619],{"class":712},[703,1916,800],{"class":780},[703,1918,1919,1921,1923,1925,1927,1929,1931,1933,1935],{"class":705,"line":803},[703,1920,777],{"class":776},[703,1922,1031],{"class":776},[703,1924,781],{"class":780},[703,1926,1161],{"class":784},[703,1928,788],{"class":780},[703,1930,791],{"class":776},[703,1932,794],{"class":780},[703,1934,1170],{"class":712},[703,1936,800],{"class":780},[703,1938,1939],{"class":705,"line":821},[703,1940,846],{"emptyLinePlaceholder":845},[703,1942,1943,1945,1947,1950,1952,1954,1956,1958,1960,1962,1964,1966],{"class":705,"line":842},[703,1944,852],{"class":776},[703,1946,993],{"class":992},[703,1948,1949],{"class":784}," POST",[703,1951,874],{"class":780},[703,1953,1161],{"class":709},[703,1955,1009],{"class":780},[703,1957,1194],{"class":992},[703,1959,1197],{"class":780},[703,1961,1201],{"class":1200},[703,1963,1209],{"class":780},[703,1965,1212],{"class":992},[703,1967,1072],{"class":780},[703,1969,1970,1972,1974,1976,1978,1981,1984,1986,1988,1991,1993,1995,1997,2000,2002],{"class":705,"line":849},[703,1971,1219],{"class":784},[703,1973,1222],{"class":780},[703,1975,1225],{"class":784},[703,1977,1222],{"class":780},[703,1979,1980],{"class":858},"fork",[703,1982,1983],{"class":780},"!",[703,1985,861],{"class":870},[703,1987,915],{"class":780},[703,1989,1990],{"class":712},"process",[703,1992,915],{"class":780},[703,1994,1001],{"class":780},[703,1996,1194],{"class":992},[703,1998,1999],{"class":780}," ()",[703,2001,1212],{"class":992},[703,2003,1072],{"class":780},[703,2005,2006,2009,2011,2013,2015],{"class":705,"line":867},[703,2007,2008],{"class":992},"    const",[703,2010,1608],{"class":784},[703,2012,1009],{"class":780},[703,2014,1562],{"class":858},[703,2016,1014],{"class":870},[703,2018,2019,2022,2024,2026,2028,2030,2033,2035,2037,2040,2042,2044],{"class":705,"line":880},[703,2020,2021],{"class":784},"    log",[703,2023,1222],{"class":780},[703,2025,1230],{"class":858},[703,2027,861],{"class":870},[703,2029,1235],{"class":780},[703,2031,2032],{"class":870}," step",[703,2034,874],{"class":780},[703,2036,794],{"class":780},[703,2038,2039],{"class":712},"done",[703,2041,915],{"class":780},[703,2043,788],{"class":780},[703,2045,945],{"class":870},[703,2047,2048,2051],{"class":705,"line":892},[703,2049,2050],{"class":780},"  }",[703,2052,945],{"class":870},[703,2054,2055,2057,2060,2063,2065,2068,2070,2073,2075,2077,2080,2082,2086,2088],{"class":705,"line":902},[703,2056,1449],{"class":776},[703,2058,2059],{"class":780}," new",[703,2061,2062],{"class":858}," Response",[703,2064,861],{"class":870},[703,2066,2067],{"class":784},"JSON",[703,2069,1222],{"class":780},[703,2071,2072],{"class":858},"stringify",[703,2074,861],{"class":870},[703,2076,1235],{"class":780},[703,2078,2079],{"class":870}," ok",[703,2081,874],{"class":780},[703,2083,2085],{"class":2084},"sfNiH"," true",[703,2087,788],{"class":780},[703,2089,2090],{"class":870},"))\n",[703,2092,2093],{"class":705,"line":920},[703,2094,1107],{"class":780},[681,2096,2098],{"id":2097},"error-handling","Error Handling",[613,2100,1544,2101,2104,2105,2108,2109,2112,2113,2116,2117,2119],{},[617,2102,2103],{},"createError"," for structured errors with ",[617,2106,2107],{},"why",", ",[617,2110,2111],{},"fix",", and ",[617,2114,2115],{},"link"," fields. The ",[617,2118,627],{}," hook captures thrown errors automatically:",[693,2121,2124],{"className":766,"code":2122,"filename":2123,"language":769,"meta":699,"style":699},"import { json } from '@sveltejs\u002Fkit'\nimport { createError } from 'evlog'\nimport type { RequestHandler } from '.\u002F$types'\n\nexport const POST: RequestHandler = async ({ locals, request }) => {\n  const { cartId } = await request.json()\n  locals.log.set({ cart: { id: cartId } })\n\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","src\u002Froutes\u002Fapi\u002Fcheckout\u002F+server.ts",[617,2125,2126,2144,2163,2183,2187,2218,2242,2277,2281,2292,2308,2320,2336,2352,2368,2375],{"__ignoreMap":699},[703,2127,2128,2130,2132,2134,2136,2138,2140,2142],{"class":705,"line":706},[703,2129,777],{"class":776},[703,2131,781],{"class":780},[703,2133,1139],{"class":784},[703,2135,788],{"class":780},[703,2137,791],{"class":776},[703,2139,794],{"class":780},[703,2141,1148],{"class":712},[703,2143,800],{"class":780},[703,2145,2146,2148,2150,2153,2155,2157,2159,2161],{"class":705,"line":803},[703,2147,777],{"class":776},[703,2149,781],{"class":780},[703,2151,2152],{"class":784}," createError",[703,2154,788],{"class":780},[703,2156,791],{"class":776},[703,2158,794],{"class":780},[703,2160,1045],{"class":712},[703,2162,800],{"class":780},[703,2164,2165,2167,2169,2171,2173,2175,2177,2179,2181],{"class":705,"line":821},[703,2166,777],{"class":776},[703,2168,1031],{"class":776},[703,2170,781],{"class":780},[703,2172,1161],{"class":784},[703,2174,788],{"class":780},[703,2176,791],{"class":776},[703,2178,794],{"class":780},[703,2180,1170],{"class":712},[703,2182,800],{"class":780},[703,2184,2185],{"class":705,"line":842},[703,2186,846],{"emptyLinePlaceholder":845},[703,2188,2189,2191,2193,2195,2197,2199,2201,2203,2205,2207,2209,2212,2214,2216],{"class":705,"line":849},[703,2190,852],{"class":776},[703,2192,993],{"class":992},[703,2194,1949],{"class":784},[703,2196,874],{"class":780},[703,2198,1161],{"class":709},[703,2200,1009],{"class":780},[703,2202,1194],{"class":992},[703,2204,1197],{"class":780},[703,2206,1201],{"class":1200},[703,2208,1001],{"class":780},[703,2210,2211],{"class":1200}," request",[703,2213,1209],{"class":780},[703,2215,1212],{"class":992},[703,2217,1072],{"class":780},[703,2219,2220,2222,2224,2227,2229,2231,2233,2235,2237,2240],{"class":705,"line":867},[703,2221,1269],{"class":992},[703,2223,781],{"class":780},[703,2225,2226],{"class":784}," cartId",[703,2228,788],{"class":780},[703,2230,1009],{"class":780},[703,2232,1276],{"class":776},[703,2234,2211],{"class":784},[703,2236,1222],{"class":780},[703,2238,2239],{"class":858},"json",[703,2241,1014],{"class":870},[703,2243,2244,2246,2248,2250,2252,2254,2256,2258,2261,2263,2265,2267,2269,2271,2273,2275],{"class":705,"line":880},[703,2245,1219],{"class":784},[703,2247,1222],{"class":780},[703,2249,1225],{"class":784},[703,2251,1222],{"class":780},[703,2253,1230],{"class":858},[703,2255,861],{"class":870},[703,2257,1235],{"class":780},[703,2259,2260],{"class":870}," cart",[703,2262,874],{"class":780},[703,2264,781],{"class":780},[703,2266,1245],{"class":870},[703,2268,874],{"class":780},[703,2270,2226],{"class":784},[703,2272,788],{"class":780},[703,2274,788],{"class":780},[703,2276,945],{"class":870},[703,2278,2279],{"class":705,"line":892},[703,2280,846],{"emptyLinePlaceholder":845},[703,2282,2283,2286,2288,2290],{"class":705,"line":902},[703,2284,2285],{"class":776},"  throw",[703,2287,2152],{"class":858},[703,2289,861],{"class":870},[703,2291,864],{"class":780},[703,2293,2294,2297,2299,2301,2304,2306],{"class":705,"line":920},[703,2295,2296],{"class":870},"    message",[703,2298,874],{"class":780},[703,2300,794],{"class":780},[703,2302,2303],{"class":712},"Payment failed",[703,2305,915],{"class":780},[703,2307,889],{"class":780},[703,2309,2310,2313,2315,2318],{"class":705,"line":931},[703,2311,2312],{"class":870},"    status",[703,2314,874],{"class":780},[703,2316,2317],{"class":1504}," 402",[703,2319,889],{"class":780},[703,2321,2322,2325,2327,2329,2332,2334],{"class":705,"line":939},[703,2323,2324],{"class":870},"    why",[703,2326,874],{"class":780},[703,2328,794],{"class":780},[703,2330,2331],{"class":712},"Card declined by issuer",[703,2333,915],{"class":780},[703,2335,889],{"class":780},[703,2337,2338,2341,2343,2345,2348,2350],{"class":705,"line":1446},[703,2339,2340],{"class":870},"    fix",[703,2342,874],{"class":780},[703,2344,794],{"class":780},[703,2346,2347],{"class":712},"Try a different payment method",[703,2349,915],{"class":780},[703,2351,889],{"class":780},[703,2353,2354,2357,2359,2361,2364,2366],{"class":705,"line":1468},[703,2355,2356],{"class":870},"    link",[703,2358,874],{"class":780},[703,2360,794],{"class":780},[703,2362,2363],{"class":712},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[703,2365,915],{"class":780},[703,2367,889],{"class":780},[703,2369,2371,2373],{"class":705,"line":2370},15,[703,2372,2050],{"class":780},[703,2374,945],{"class":870},[703,2376,2378],{"class":705,"line":2377},16,[703,2379,1107],{"class":780},[613,2381,2382],{},"The error is captured and logged with both the custom context and structured error fields:",[693,2384,2386],{"className":695,"code":2385,"filename":1477,"language":698,"meta":699,"style":699},"14:58:20 ERROR [my-api] POST \u002Fapi\u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  ├─ cart: id=cart_456\n  └─ requestId: 880a50ac-...\n",[617,2387,2388,2399,2421,2431],{"__ignoreMap":699},[703,2389,2390,2393,2396],{"class":705,"line":706},[703,2391,2392],{"class":709},"14:58:20",[703,2394,2395],{"class":712}," ERROR",[703,2397,2398],{"class":784}," [my-api] POST \u002Fapi\u002Fcheckout 402 in 3ms\n",[703,2400,2401,2403,2406,2409,2412,2415,2418],{"class":705,"line":803},[703,2402,1495],{"class":709},[703,2404,2405],{"class":712}," error:",[703,2407,2408],{"class":712}," name=EvlogError",[703,2410,2411],{"class":712}," message=Payment",[703,2413,2414],{"class":712}," failed",[703,2416,2417],{"class":712}," status=",[703,2419,2420],{"class":1504},"402\n",[703,2422,2423,2425,2428],{"class":705,"line":821},[703,2424,1495],{"class":709},[703,2426,2427],{"class":712}," cart:",[703,2429,2430],{"class":712}," id=cart_456\n",[703,2432,2433,2435,2437],{"class":705,"line":842},[703,2434,1532],{"class":709},[703,2436,1535],{"class":712},[703,2438,2439],{"class":712}," 880a50ac-...\n",[681,2441,552],{"id":2442},"configuration",[613,2444,948,2445,2448,2449,2452],{},[670,2446,2447],{"href":553},"Configuration reference"," for all available options (",[617,2450,2451],{},"initLogger",", middleware options, sampling, silent mode, etc.).",[681,2454,2456],{"id":2455},"drain-enrichers","Drain & Enrichers",[613,2458,2459],{},"Configure drain adapters and enrichers directly in the hooks options:",[693,2461,2463],{"className":766,"code":2462,"filename":960,"language":769,"meta":699,"style":699},"import { createEvlogHooks } from 'evlog\u002Fsveltekit'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\n\nconst userAgent = createUserAgentEnricher()\n\nexport const { handle, handleError } = createEvlogHooks({\n  drain: createAxiomDrain(),\n  enrich: (ctx) => {\n    userAgent(ctx)\n    ctx.event.region = process.env.FLY_REGION\n  },\n})\n",[617,2464,2465,2483,2503,2523,2527,2542,2546,2570,2583,2602,2613,2643,2648],{"__ignoreMap":699},[703,2466,2467,2469,2471,2473,2475,2477,2479,2481],{"class":705,"line":706},[703,2468,777],{"class":776},[703,2470,781],{"class":780},[703,2472,971],{"class":784},[703,2474,788],{"class":780},[703,2476,791],{"class":776},[703,2478,794],{"class":780},[703,2480,619],{"class":712},[703,2482,800],{"class":780},[703,2484,2485,2487,2489,2492,2494,2496,2498,2501],{"class":705,"line":803},[703,2486,777],{"class":776},[703,2488,781],{"class":780},[703,2490,2491],{"class":784}," createAxiomDrain",[703,2493,788],{"class":780},[703,2495,791],{"class":776},[703,2497,794],{"class":780},[703,2499,2500],{"class":712},"evlog\u002Faxiom",[703,2502,800],{"class":780},[703,2504,2505,2507,2509,2512,2514,2516,2518,2521],{"class":705,"line":821},[703,2506,777],{"class":776},[703,2508,781],{"class":780},[703,2510,2511],{"class":784}," createUserAgentEnricher",[703,2513,788],{"class":780},[703,2515,791],{"class":776},[703,2517,794],{"class":780},[703,2519,2520],{"class":712},"evlog\u002Fenrichers",[703,2522,800],{"class":780},[703,2524,2525],{"class":705,"line":842},[703,2526,846],{"emptyLinePlaceholder":845},[703,2528,2529,2532,2535,2538,2540],{"class":705,"line":849},[703,2530,2531],{"class":992},"const",[703,2533,2534],{"class":784}," userAgent ",[703,2536,2537],{"class":780},"=",[703,2539,2511],{"class":858},[703,2541,1014],{"class":784},[703,2543,2544],{"class":705,"line":867},[703,2545,846],{"emptyLinePlaceholder":845},[703,2547,2548,2550,2552,2554,2556,2558,2560,2562,2564,2566,2568],{"class":705,"line":880},[703,2549,852],{"class":776},[703,2551,993],{"class":992},[703,2553,781],{"class":780},[703,2555,998],{"class":784},[703,2557,1001],{"class":780},[703,2559,1004],{"class":784},[703,2561,942],{"class":780},[703,2563,1009],{"class":780},[703,2565,971],{"class":858},[703,2567,861],{"class":784},[703,2569,864],{"class":780},[703,2571,2572,2575,2577,2579,2581],{"class":705,"line":892},[703,2573,2574],{"class":870},"  drain",[703,2576,874],{"class":780},[703,2578,2491],{"class":858},[703,2580,886],{"class":784},[703,2582,889],{"class":780},[703,2584,2585,2588,2590,2593,2596,2598,2600],{"class":705,"line":902},[703,2586,2587],{"class":858},"  enrich",[703,2589,874],{"class":780},[703,2591,2592],{"class":780}," (",[703,2594,2595],{"class":1200},"ctx",[703,2597,926],{"class":780},[703,2599,1212],{"class":992},[703,2601,1072],{"class":780},[703,2603,2604,2607,2609,2611],{"class":705,"line":920},[703,2605,2606],{"class":858},"    userAgent",[703,2608,861],{"class":870},[703,2610,2595],{"class":784},[703,2612,945],{"class":870},[703,2614,2615,2618,2620,2623,2625,2628,2630,2633,2635,2638,2640],{"class":705,"line":931},[703,2616,2617],{"class":784},"    ctx",[703,2619,1222],{"class":780},[703,2621,2622],{"class":784},"event",[703,2624,1222],{"class":780},[703,2626,2627],{"class":784},"region",[703,2629,1009],{"class":780},[703,2631,2632],{"class":784}," process",[703,2634,1222],{"class":780},[703,2636,2637],{"class":784},"env",[703,2639,1222],{"class":780},[703,2641,2642],{"class":784},"FLY_REGION\n",[703,2644,2645],{"class":705,"line":939},[703,2646,2647],{"class":780},"  },\n",[703,2649,2650,2652],{"class":705,"line":1446},[703,2651,942],{"class":780},[703,2653,945],{"class":784},[685,2655,2657],{"id":2656},"pipeline-batching-retry","Pipeline (Batching & Retry)",[613,2659,2660,2661,2664],{},"For production, wrap your adapter with ",[617,2662,2663],{},"createDrainPipeline"," to batch events and retry on failure:",[693,2666,2668],{"className":766,"code":2667,"filename":960,"language":769,"meta":699,"style":699},"import type { DrainContext } from 'evlog'\nimport { createEvlogHooks } from 'evlog\u002Fsveltekit'\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\nexport const { handle, handleError } = createEvlogHooks({ drain })\n",[617,2669,2670,2691,2709,2727,2747,2751,2775,2805,2824,2830,2850,2854],{"__ignoreMap":699},[703,2671,2672,2674,2676,2678,2681,2683,2685,2687,2689],{"class":705,"line":706},[703,2673,777],{"class":776},[703,2675,1031],{"class":776},[703,2677,781],{"class":780},[703,2679,2680],{"class":784}," DrainContext",[703,2682,788],{"class":780},[703,2684,791],{"class":776},[703,2686,794],{"class":780},[703,2688,1045],{"class":712},[703,2690,800],{"class":780},[703,2692,2693,2695,2697,2699,2701,2703,2705,2707],{"class":705,"line":803},[703,2694,777],{"class":776},[703,2696,781],{"class":780},[703,2698,971],{"class":784},[703,2700,788],{"class":780},[703,2702,791],{"class":776},[703,2704,794],{"class":780},[703,2706,619],{"class":712},[703,2708,800],{"class":780},[703,2710,2711,2713,2715,2717,2719,2721,2723,2725],{"class":705,"line":821},[703,2712,777],{"class":776},[703,2714,781],{"class":780},[703,2716,2491],{"class":784},[703,2718,788],{"class":780},[703,2720,791],{"class":776},[703,2722,794],{"class":780},[703,2724,2500],{"class":712},[703,2726,800],{"class":780},[703,2728,2729,2731,2733,2736,2738,2740,2742,2745],{"class":705,"line":842},[703,2730,777],{"class":776},[703,2732,781],{"class":780},[703,2734,2735],{"class":784}," createDrainPipeline",[703,2737,788],{"class":780},[703,2739,791],{"class":776},[703,2741,794],{"class":780},[703,2743,2744],{"class":712},"evlog\u002Fpipeline",[703,2746,800],{"class":780},[703,2748,2749],{"class":705,"line":849},[703,2750,846],{"emptyLinePlaceholder":845},[703,2752,2753,2755,2758,2760,2762,2765,2768,2771,2773],{"class":705,"line":867},[703,2754,2531],{"class":992},[703,2756,2757],{"class":784}," pipeline ",[703,2759,2537],{"class":780},[703,2761,2735],{"class":858},[703,2763,2764],{"class":780},"\u003C",[703,2766,2767],{"class":709},"DrainContext",[703,2769,2770],{"class":780},">",[703,2772,861],{"class":784},[703,2774,864],{"class":780},[703,2776,2777,2780,2782,2784,2787,2789,2792,2794,2797,2799,2802],{"class":705,"line":880},[703,2778,2779],{"class":870},"  batch",[703,2781,874],{"class":780},[703,2783,781],{"class":780},[703,2785,2786],{"class":870}," size",[703,2788,874],{"class":780},[703,2790,2791],{"class":1504}," 50",[703,2793,1001],{"class":780},[703,2795,2796],{"class":870}," intervalMs",[703,2798,874],{"class":780},[703,2800,2801],{"class":1504}," 5000",[703,2803,2804],{"class":780}," },\n",[703,2806,2807,2810,2812,2814,2817,2819,2822],{"class":705,"line":892},[703,2808,2809],{"class":870},"  retry",[703,2811,874],{"class":780},[703,2813,781],{"class":780},[703,2815,2816],{"class":870}," maxAttempts",[703,2818,874],{"class":780},[703,2820,2821],{"class":1504}," 3",[703,2823,2804],{"class":780},[703,2825,2826,2828],{"class":705,"line":902},[703,2827,942],{"class":780},[703,2829,945],{"class":784},[703,2831,2832,2834,2837,2839,2842,2844,2847],{"class":705,"line":920},[703,2833,2531],{"class":992},[703,2835,2836],{"class":784}," drain ",[703,2838,2537],{"class":780},[703,2840,2841],{"class":858}," pipeline",[703,2843,861],{"class":784},[703,2845,2846],{"class":858},"createAxiomDrain",[703,2848,2849],{"class":784},"())\n",[703,2851,2852],{"class":705,"line":931},[703,2853,846],{"emptyLinePlaceholder":845},[703,2855,2856,2858,2860,2862,2864,2866,2868,2870,2872,2874,2876,2878,2880,2882],{"class":705,"line":939},[703,2857,852],{"class":776},[703,2859,993],{"class":992},[703,2861,781],{"class":780},[703,2863,998],{"class":784},[703,2865,1001],{"class":780},[703,2867,1004],{"class":784},[703,2869,942],{"class":780},[703,2871,1009],{"class":780},[703,2873,971],{"class":858},[703,2875,861],{"class":784},[703,2877,1235],{"class":780},[703,2879,2836],{"class":784},[703,2881,942],{"class":780},[703,2883,945],{"class":784},[2885,2886,2888,2889,2892,2893,952],"callout",{"color":2887,"icon":13},"info","Call ",[617,2890,2891],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[670,2894,2895],{"href":540},"Pipeline docs",[681,2897,2899],{"id":2898},"tail-sampling","Tail Sampling",[613,2901,1544,2902,2905],{},[617,2903,2904],{},"keep"," to force-retain specific events regardless of head sampling:",[693,2907,2909],{"className":766,"code":2908,"filename":960,"language":769,"meta":699,"style":699},"export const { handle, handleError } = createEvlogHooks({\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[617,2910,2911,2935,2947,2964,3008,3012],{"__ignoreMap":699},[703,2912,2913,2915,2917,2919,2921,2923,2925,2927,2929,2931,2933],{"class":705,"line":706},[703,2914,852],{"class":776},[703,2916,993],{"class":992},[703,2918,781],{"class":780},[703,2920,998],{"class":784},[703,2922,1001],{"class":780},[703,2924,1004],{"class":784},[703,2926,942],{"class":780},[703,2928,1009],{"class":780},[703,2930,971],{"class":858},[703,2932,861],{"class":784},[703,2934,864],{"class":780},[703,2936,2937,2939,2941,2943,2945],{"class":705,"line":803},[703,2938,2574],{"class":870},[703,2940,874],{"class":780},[703,2942,2491],{"class":858},[703,2944,886],{"class":784},[703,2946,889],{"class":780},[703,2948,2949,2952,2954,2956,2958,2960,2962],{"class":705,"line":821},[703,2950,2951],{"class":858},"  keep",[703,2953,874],{"class":780},[703,2955,2592],{"class":780},[703,2957,2595],{"class":1200},[703,2959,926],{"class":780},[703,2961,1212],{"class":992},[703,2963,1072],{"class":780},[703,2965,2966,2969,2971,2973,2975,2978,2981,2984,2986,2988,2991,2994,2996,2998,3000,3003,3005],{"class":705,"line":842},[703,2967,2968],{"class":776},"    if",[703,2970,2592],{"class":870},[703,2972,2595],{"class":784},[703,2974,1222],{"class":780},[703,2976,2977],{"class":784},"duration",[703,2979,2980],{"class":780}," &&",[703,2982,2983],{"class":784}," ctx",[703,2985,1222],{"class":780},[703,2987,2977],{"class":784},[703,2989,2990],{"class":780}," >",[703,2992,2993],{"class":1504}," 2000",[703,2995,1433],{"class":870},[703,2997,2595],{"class":784},[703,2999,1222],{"class":780},[703,3001,3002],{"class":784},"shouldKeep",[703,3004,1009],{"class":780},[703,3006,3007],{"class":2084}," true\n",[703,3009,3010],{"class":705,"line":849},[703,3011,2647],{"class":780},[703,3013,3014,3016],{"class":705,"line":867},[703,3015,942],{"class":780},[703,3017,945],{"class":784},[681,3019,3021],{"id":3020},"route-filtering","Route Filtering",[613,3023,3024,3025,624,3028,3031],{},"Control which routes are logged with ",[617,3026,3027],{},"include",[617,3029,3030],{},"exclude"," patterns:",[693,3033,3035],{"className":766,"code":3034,"filename":960,"language":769,"meta":699,"style":699},"export const { handle, handleError } = createEvlogHooks({\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",[617,3036,3037,3061,3083,3112,3121,3149,3175,3179],{"__ignoreMap":699},[703,3038,3039,3041,3043,3045,3047,3049,3051,3053,3055,3057,3059],{"class":705,"line":706},[703,3040,852],{"class":776},[703,3042,993],{"class":992},[703,3044,781],{"class":780},[703,3046,998],{"class":784},[703,3048,1001],{"class":780},[703,3050,1004],{"class":784},[703,3052,942],{"class":780},[703,3054,1009],{"class":780},[703,3056,971],{"class":858},[703,3058,861],{"class":784},[703,3060,864],{"class":780},[703,3062,3063,3066,3068,3071,3073,3076,3078,3081],{"class":705,"line":803},[703,3064,3065],{"class":870},"  include",[703,3067,874],{"class":780},[703,3069,3070],{"class":784}," [",[703,3072,915],{"class":780},[703,3074,3075],{"class":712},"\u002Fapi\u002F**",[703,3077,915],{"class":780},[703,3079,3080],{"class":784},"]",[703,3082,889],{"class":780},[703,3084,3085,3088,3090,3092,3094,3097,3099,3101,3103,3106,3108,3110],{"class":705,"line":821},[703,3086,3087],{"class":870},"  exclude",[703,3089,874],{"class":780},[703,3091,3070],{"class":784},[703,3093,915],{"class":780},[703,3095,3096],{"class":712},"\u002F_internal\u002F**",[703,3098,915],{"class":780},[703,3100,1001],{"class":780},[703,3102,794],{"class":780},[703,3104,3105],{"class":712},"\u002Fhealth",[703,3107,915],{"class":780},[703,3109,3080],{"class":784},[703,3111,889],{"class":780},[703,3113,3114,3117,3119],{"class":705,"line":842},[703,3115,3116],{"class":870},"  routes",[703,3118,874],{"class":780},[703,3120,1072],{"class":780},[703,3122,3123,3126,3129,3131,3133,3135,3138,3140,3142,3145,3147],{"class":705,"line":849},[703,3124,3125],{"class":780},"    '",[703,3127,3128],{"class":870},"\u002Fapi\u002Fauth\u002F**",[703,3130,915],{"class":780},[703,3132,874],{"class":780},[703,3134,781],{"class":780},[703,3136,3137],{"class":870}," 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