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= useLogger(event)\n\nlog.set({ user: { id: 1, plan: 'pro' } })\nlog.set({ cart: { id: 42, items: 3, total: 9999 } })\nlog.set({ payment: { method: 'card', status: 'success' } })\n","server\u002Fapi\u002Fcheckout.post.ts",[518,752,753,777,783,800,804,853,905],{"__ignoreMap":516},[521,754,755,759,761,764,766,769,771,774],{"class":523,"line":524},[521,756,758],{"class":757},"s7zQu","import",[521,760,575],{"class":531},[521,762,763],{"class":527}," useLogger",[521,765,633],{"class":531},[521,767,768],{"class":757}," from",[521,770,625],{"class":531},[521,772,773],{"class":545},"evlog",[521,775,776],{"class":531},"'\n",[521,778,779],{"class":523,"line":554},[521,780,782],{"emptyLinePlaceholder":781},true,"\n",[521,784,785,789,792,795,797],{"class":523,"line":598},[521,786,788],{"class":787},"spNyl","const",[521,790,791],{"class":527}," log 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9999",[521,900,633],{"class":531},[521,902,633],{"class":531},[521,904,551],{"class":527},[521,906,908,910,912,914,916,918,921,923,925,928,930,932,935,937,939,942,944,946,949,951,953,955],{"class":523,"line":907},7,[521,909,808],{"class":527},[521,911,532],{"class":531},[521,913,813],{"class":535},[521,915,539],{"class":527},[521,917,818],{"class":531},[521,919,920],{"class":578}," payment",[521,922,582],{"class":531},[521,924,575],{"class":531},[521,926,927],{"class":578}," method",[521,929,582],{"class":531},[521,931,625],{"class":531},[521,933,934],{"class":545},"card",[521,936,542],{"class":531},[521,938,572],{"class":531},[521,940,941],{"class":578}," status",[521,943,582],{"class":531},[521,945,625],{"class":531},[521,947,948],{"class":545},"success",[521,950,542],{"class":531},[521,952,633],{"class":531},[521,954,633],{"class":531},[521,956,551],{"class":527},[510,958,961],{"className":512,"code":959,"filename":960,"language":515,"meta":516,"style":516},"import { createLogger } from 'evlog'\n\nconst log = createLogger({ jobId: 'sync-001', queue: 'emails' })\n\nlog.set({ source: 'postgres', target: 's3' })\nlog.set({ records: { found: 1250, synced: 1250 } })\nlog.emit()\n","scripts\u002Fsync-data.ts",[518,962,963,982,986,1030,1034,1074,1116],{"__ignoreMap":516},[521,964,965,967,969,972,974,976,978,980],{"class":523,"line":524},[521,966,758],{"class":757},[521,968,575],{"class":531},[521,970,971],{"class":527}," createLogger",[521,973,633],{"class":531},[521,975,768],{"class":757},[521,977,625],{"class":531},[521,979,773],{"class":545},[521,981,776],{"class":531},[521,983,984],{"class":523,"line":554},[521,985,782],{"emptyLinePlaceholder":781},[521,987,988,990,992,994,996,998,1000,1003,1005,1007,1010,1012,1014,1017,1019,1021,1024,1026,1028],{"class":523,"line":598},[521,989,788],{"class":787},[521,991,791],{"class":527},[521,993,794],{"class":531},[521,995,971],{"class":535},[521,997,539],{"class":527},[521,999,818],{"class":531},[521,1001,1002],{"class":578}," 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POST \u002Fapi\u002Fcheckout (",[521,1151,1153],{"class":1152},"sBMFI","234ms",[521,1155,551],{"class":527},[521,1157,1158,1161,1163,1166,1169,1172,1174,1176,1178],{"class":523,"line":554},[521,1159,1160],{"class":1152}," user:",[521,1162,575],{"class":545},[521,1164,1165],{"class":545}," id:",[521,1167,1168],{"class":545}," 1,",[521,1170,1171],{"class":545}," plan:",[521,1173,625],{"class":531},[521,1175,844],{"class":545},[521,1177,542],{"class":531},[521,1179,1180],{"class":545}," }\n",[521,1182,1183,1186,1188,1190,1193,1196,1199,1202,1204],{"class":523,"line":598},[521,1184,1185],{"class":1152}," cart:",[521,1187,575],{"class":545},[521,1189,1165],{"class":545},[521,1191,1192],{"class":545}," 42,",[521,1194,1195],{"class":545}," items:",[521,1197,1198],{"class":545}," 3,",[521,1200,1201],{"class":545}," total:",[521,1203,898],{"class":705},[521,1205,1180],{"class":545},[521,1207,1208,1211,1213,1216,1218,1220,1222,1224,1227,1229,1231,1233],{"class":523,"line":638},[521,1209,1210],{"class":1152}," payment:",[521,1212,575],{"class":545},[521,1214,1215],{"class":545}," method:",[521,1217,625],{"class":531},[521,1219,934],{"class":545},[521,1221,542],{"class":531},[521,1223,572],{"class":545},[521,1225,1226],{"class":545}," status:",[521,1228,625],{"class":531},[521,1230,948],{"class":545},[521,1232,542],{"class":531},[521,1234,1180],{"class":545},[521,1236,1237,1240],{"class":523,"line":658},[521,1238,1239],{"class":1152}," status:",[521,1241,1242],{"class":705}," 200\n",[435,1244,1245],{},"One log, all context. Everything you need to understand what happened.",[499,1247,1249],{"id":1248},"creating-wide-events","Creating Wide Events",[1251,1252,1254,1257],"h3",{"id":1253},"createlogger-general-purpose",[518,1255,1256],{},"createLogger"," (General Purpose)",[435,1259,1260,1261,1264],{},"Use ",[518,1262,1263],{},"createLogger()"," for scripts, background jobs, queue workers, cron jobs, or any operation where you manage the lifecycle:",[510,1266,1269],{"className":512,"code":1267,"filename":1268,"language":515,"meta":516,"style":516},"import { initLogger, createLogger } from 'evlog'\n\ninitLogger({ env: { service: 'migrate' } })\n\nconst log = createLogger({ task: 'user-migration' })\n\nconst users = await db.query('SELECT * FROM legacy_users')\nlog.set({ found: users.length })\n\nlet migrated = 0\nfor (const user of users) {\n await newDb.upsert({ id: user.id, email: user.email, plan: user.plan })\n migrated++\n}\n\nlog.set({ migrated, status: 'complete' })\nlog.emit()\n","scripts\u002Fmigrate-users.ts",[518,1270,1271,1294,1298,1332,1336,1366,1370,1401,1430,1435,1449,1472,1532,1541,1547,1552,1585],{"__ignoreMap":516},[521,1272,1273,1275,1277,1280,1282,1284,1286,1288,1290,1292],{"class":523,"line":524},[521,1274,758],{"class":757},[521,1276,575],{"class":531},[521,1278,1279],{"class":527}," initLogger",[521,1281,572],{"class":531},[521,1283,971],{"class":527},[521,1285,633],{"class":531},[521,1287,768],{"class":757},[521,1289,625],{"class":531},[521,1291,773],{"class":545},[521,1293,776],{"class":531},[521,1295,1296],{"class":523,"line":554},[521,1297,782],{"emptyLinePlaceholder":781},[521,1299,1300,1303,1305,1307,1310,1312,1314,1317,1319,1321,1324,1326,1328,1330],{"class":523,"line":598},[521,1301,1302],{"class":535},"initLogger",[521,1304,539],{"class":527},[521,1306,818],{"class":531},[521,1308,1309],{"class":578}," env",[521,1311,582],{"class":531},[521,1313,575],{"class":531},[521,1315,1316],{"class":578}," 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email",[521,1507,582],{"class":531},[521,1509,585],{"class":527},[521,1511,532],{"class":531},[521,1513,1514],{"class":527},"email",[521,1516,572],{"class":531},[521,1518,837],{"class":578},[521,1520,582],{"class":531},[521,1522,585],{"class":527},[521,1524,532],{"class":531},[521,1526,1527],{"class":527},"plan",[521,1529,633],{"class":531},[521,1531,551],{"class":578},[521,1533,1535,1538],{"class":523,"line":1534},13,[521,1536,1537],{"class":527}," migrated",[521,1539,1540],{"class":531},"++\n",[521,1542,1544],{"class":523,"line":1543},14,[521,1545,1546],{"class":531},"}\n",[521,1548,1550],{"class":523,"line":1549},15,[521,1551,782],{"emptyLinePlaceholder":781},[521,1553,1555,1557,1559,1561,1563,1565,1568,1570,1572,1574,1576,1579,1581,1583],{"class":523,"line":1554},16,[521,1556,808],{"class":527},[521,1558,532],{"class":531},[521,1560,813],{"class":535},[521,1562,539],{"class":527},[521,1564,818],{"class":531},[521,1566,1567],{"class":527}," migrated",[521,1569,572],{"class":531},[521,1571,941],{"class":578},[521,1573,582],{"class":531},[521,1575,625],{"class":531},[521,1577,1578],{"class":545},"complete",[521,1580,542],{"class":531},[521,1582,633],{"class":531},[521,1584,551],{"class":527},[521,1586,1588,1590,1592,1594],{"class":523,"line":1587},17,[521,1589,808],{"class":527},[521,1591,532],{"class":531},[521,1593,1124],{"class":535},[521,1595,1127],{"class":527},[1251,1597,1599,1602],{"id":1598},"createrequestlogger-http-contexts",[518,1600,1601],{},"createRequestLogger"," (HTTP Contexts)",[435,1604,1260,1605,1608,1609,1611,1612,1615,1616,1619,1620,582],{},[518,1606,1607],{},"createRequestLogger()"," when working with HTTP requests outside of a framework integration. It's a thin wrapper around ",[518,1610,1256],{}," that pre-populates ",[518,1613,1614],{},"method",", ",[518,1617,1618],{},"path",", and ",[518,1621,1622],{},"requestId",[510,1624,1627],{"className":512,"code":1625,"filename":1626,"language":515,"meta":516,"style":516},"import { initLogger, createRequestLogger } from 'evlog'\n\ninitLogger({ env: { service: 'my-worker' } })\n\nconst log = createRequestLogger({ method: 'POST', path: '\u002Fapi\u002Fcheckout' })\n\nlog.set({ user: { id: 1, plan: 'pro' } })\nlog.set({ cart: { items: 3, total: 9999 } })\n\nlog.emit()\n","src\u002Fworker.ts",[518,1628,1629,1652,1656,1687,1691,1734,1738,1780,1818,1822],{"__ignoreMap":516},[521,1630,1631,1633,1635,1637,1639,1642,1644,1646,1648,1650],{"class":523,"line":524},[521,1632,758],{"class":757},[521,1634,575],{"class":531},[521,1636,1279],{"class":527},[521,1638,572],{"class":531},[521,1640,1641],{"class":527}," createRequestLogger",[521,1643,633],{"class":531},[521,1645,768],{"class":757},[521,1647,625],{"class":531},[521,1649,773],{"class":545},[521,1651,776],{"class":531},[521,1653,1654],{"class":523,"line":554},[521,1655,782],{"emptyLinePlaceholder":781},[521,1657,1658,1660,1662,1664,1666,1668,1670,1672,1674,1676,1679,1681,1683,1685],{"class":523,"line":598},[521,1659,1302],{"class":535},[521,1661,539],{"class":527},[521,1663,818],{"class":531},[521,1665,1309],{"class":578},[521,1667,582],{"class":531},[521,1669,575],{"class":531},[521,1671,1316],{"class":578},[521,1673,582],{"class":531},[521,1675,625],{"class":531},[521,1677,1678],{"class":545},"my-worker",[521,1680,542],{"class":531},[521,1682,633],{"class":531},[521,1684,633],{"class":531},[521,1686,551],{"class":527},[521,1688,1689],{"class":523,"line":638},[521,1690,782],{"emptyLinePlaceholder":781},[521,1692,1693,1695,1697,1699,1701,1703,1705,1707,1709,1711,1714,1716,1718,1721,1723,1725,1728,1730,1732],{"class":523,"line":658},[521,1694,788],{"class":787},[521,1696,791],{"class":527},[521,1698,794],{"class":531},[521,1700,1641],{"class":535},[521,1702,539],{"class":527},[521,1704,818],{"class":531},[521,1706,927],{"class":578},[521,1708,582],{"class":531},[521,1710,625],{"class":531},[521,1712,1713],{"class":545},"POST",[521,1715,542],{"class":531},[521,1717,572],{"class":531},[521,1719,1720],{"class":578}," path",[521,1722,582],{"class":531},[521,1724,625],{"class":531},[521,1726,1727],{"class":545},"\u002Fapi\u002Fcheckout",[521,1729,542],{"class":531},[521,1731,633],{"class":531},[521,1733,551],{"class":527},[521,1735,1736],{"class":523,"line":678},[521,1737,782],{"emptyLinePlaceholder":781},[521,1739,1740,1742,1744,1746,1748,1750,1752,1754,1756,1758,1760,1762,1764,1766,1768,1770,1772,1774,1776,1778],{"class":523,"line":907},[521,1741,808],{"class":527},[521,1743,532],{"class":531},[521,1745,813],{"class":535},[521,1747,539],{"class":527},[521,1749,818],{"class":531},[521,1751,585],{"class":578},[521,1753,582],{"class":531},[521,1755,575],{"class":531},[521,1757,827],{"class":578},[521,1759,582],{"class":531},[521,1761,832],{"class":705},[521,1763,572],{"class":531},[521,1765,837],{"class":578},[521,1767,582],{"class":531},[521,1769,625],{"class":531},[521,1771,844],{"class":545},[521,1773,542],{"class":531},[521,1775,633],{"class":531},[521,1777,633],{"class":531},[521,1779,551],{"class":527},[521,1781,1782,1784,1786,1788,1790,1792,1794,1796,1798,1800,1802,1804,1806,1808,1810,1812,1814,1816],{"class":523,"line":1403},[521,1783,808],{"class":527},[521,1785,532],{"class":531},[521,1787,813],{"class":535},[521,1789,539],{"class":527},[521,1791,818],{"class":531},[521,1793,867],{"class":578},[521,1795,582],{"class":531},[521,1797,575],{"class":531},[521,1799,883],{"class":578},[521,1801,582],{"class":531},[521,1803,888],{"class":705},[521,1805,572],{"class":531},[521,1807,893],{"class":578},[521,1809,582],{"class":531},[521,1811,898],{"class":705},[521,1813,633],{"class":531},[521,1815,633],{"class":531},[521,1817,551],{"class":527},[521,1819,1820],{"class":523,"line":1432},[521,1821,782],{"emptyLinePlaceholder":781},[521,1823,1824,1826,1828,1830],{"class":523,"line":1437},[521,1825,808],{"class":527},[521,1827,532],{"class":531},[521,1829,1124],{"class":535},[521,1831,1127],{"class":527},[439,1833,1834,1835,448,1837,1839,1840,1843],{"color":536,"icon":13},"Both ",[518,1836,1256],{},[518,1838,1601],{}," require a manual ",[518,1841,1842],{},"log.emit()"," call. The event won't be emitted until you call it.",[1251,1845,1847,1850],{"id":1846},"uselogger-retrieving-the-request-logger",[518,1848,1849],{},"useLogger"," (Retrieving the Request Logger)",[435,1852,1853,1854,1857],{},"When using a framework integration (Nuxt, Hono, Express, etc.), the middleware creates a wide event logger automatically on each request. ",[518,1855,1856],{},"useLogger(event)"," retrieves that logger from the request context:",[510,1859,1861],{"className":512,"code":1860,"filename":750,"language":515,"meta":516,"style":516},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler(async (event) => {\n const log = useLogger(event)\n\n log.set({ user: { id: 1, plan: 'pro' } })\n log.set({ cart: { items: 3, total: 9999 } })\n\n return { success: true }\n \u002F\u002F auto-emitted on response end\n})\n",[518,1862,1863,1881,1885,1916,1935,1939,1982,2020,2024,2042,2048],{"__ignoreMap":516},[521,1864,1865,1867,1869,1871,1873,1875,1877,1879],{"class":523,"line":524},[521,1866,758],{"class":757},[521,1868,575],{"class":531},[521,1870,763],{"class":527},[521,1872,633],{"class":531},[521,1874,768],{"class":757},[521,1876,625],{"class":531},[521,1878,773],{"class":545},[521,1880,776],{"class":531},[521,1882,1883],{"class":523,"line":554},[521,1884,782],{"emptyLinePlaceholder":781},[521,1886,1887,1890,1893,1896,1898,1901,1903,1907,1910,1913],{"class":523,"line":598},[521,1888,1889],{"class":757},"export",[521,1891,1892],{"class":757}," default",[521,1894,1895],{"class":535}," defineEventHandler",[521,1897,539],{"class":527},[521,1899,1900],{"class":787},"async",[521,1902,1457],{"class":531},[521,1904,1906],{"class":1905},"sHdIc","event",[521,1908,1909],{"class":531},")",[521,1911,1912],{"class":787}," =>",[521,1914,1915],{"class":531}," {\n",[521,1917,1918,1921,1924,1927,1929,1931,1933],{"class":523,"line":638},[521,1919,1920],{"class":787}," const",[521,1922,1923],{"class":527}," log",[521,1925,1926],{"class":531}," =",[521,1928,763],{"class":535},[521,1930,539],{"class":578},[521,1932,1906],{"class":527},[521,1934,551],{"class":578},[521,1936,1937],{"class":523,"line":658},[521,1938,782],{"emptyLinePlaceholder":781},[521,1940,1941,1944,1946,1948,1950,1952,1954,1956,1958,1960,1962,1964,1966,1968,1970,1972,1974,1976,1978,1980],{"class":523,"line":678},[521,1942,1943],{"class":527}," log",[521,1945,532],{"class":531},[521,1947,813],{"class":535},[521,1949,539],{"class":578},[521,1951,818],{"class":531},[521,1953,585],{"class":578},[521,1955,582],{"class":531},[521,1957,575],{"class":531},[521,1959,827],{"class":578},[521,1961,582],{"class":531},[521,1963,832],{"class":705},[521,1965,572],{"class":531},[521,1967,837],{"class":578},[521,1969,582],{"class":531},[521,1971,625],{"class":531},[521,1973,844],{"class":545},[521,1975,542],{"class":531},[521,1977,633],{"class":531},[521,1979,633],{"class":531},[521,1981,551],{"class":578},[521,1983,1984,1986,1988,1990,1992,1994,1996,1998,2000,2002,2004,2006,2008,2010,2012,2014,2016,2018],{"class":523,"line":907},[521,1985,1943],{"class":527},[521,1987,532],{"class":531},[521,1989,813],{"class":535},[521,1991,539],{"class":578},[521,1993,818],{"class":531},[521,1995,867],{"class":578},[521,1997,582],{"class":531},[521,1999,575],{"class":531},[521,2001,883],{"class":578},[521,2003,582],{"class":531},[521,2005,888],{"class":705},[521,2007,572],{"class":531},[521,2009,893],{"class":578},[521,2011,582],{"class":531},[521,2013,898],{"class":705},[521,2015,633],{"class":531},[521,2017,633],{"class":531},[521,2019,551],{"class":578},[521,2021,2022],{"class":523,"line":1403},[521,2023,782],{"emptyLinePlaceholder":781},[521,2025,2026,2029,2031,2034,2036,2040],{"class":523,"line":1432},[521,2027,2028],{"class":757}," return",[521,2030,575],{"class":531},[521,2032,2033],{"class":578}," success",[521,2035,582],{"class":531},[521,2037,2039],{"class":2038},"sfNiH"," true",[521,2041,1180],{"class":531},[521,2043,2044],{"class":523,"line":1437},[521,2045,2047],{"class":2046},"sHwdD"," \u002F\u002F auto-emitted on response end\n",[521,2049,2050,2052],{"class":523,"line":1451},[521,2051,593],{"class":531},[521,2053,551],{"class":527},[439,2055,2056,2058,2059,2061],{"color":536,"icon":13},[518,2057,1849],{}," doesn't create a logger, it retrieves the one the framework middleware already attached to the event. The middleware handles creation and emission automatically. In Nuxt, ",[518,2060,1849],{}," is auto-imported.",[499,2063,2065],{"id":2064},"after-emit-sealing-and-background-work","After emit: sealing and background work",[435,2067,2068,2069,2072,2073,2075,2076,2079,2080,1615,2082,1615,2085,1619,2087,2090,2091,2094,2095,2101,2102,2105,2106,2109,2110,2113],{},"When the wide event is ",[719,2070,2071],{},"emitted"," (automatically at the end of the request, or when you call ",[518,2074,1842],{}," yourself), that logger instance is ",[719,2077,2078],{},"sealed",". Further ",[518,2081,813],{},[518,2083,2084],{},"error",[518,2086,536],{},[518,2088,2089],{},"warn"," calls do ",[719,2092,2093],{},"not"," update the event that was already sent to your drains. They are ignored and evlog prints a ",[719,2096,2097,2100],{},[518,2098,2099],{},"[evlog]"," warning"," to the console with the keys that were dropped. This also applies when ",[719,2103,2104],{},"head sampling"," discards the event (",[518,2107,2108],{},"emit()"," returned ",[518,2111,2112],{},"null","): the logger is still sealed for that unit of work.",[435,2115,2116,2117,2120,2121,2124,2125,2128,2129,2132],{},"This matters for ",[719,2118,2119],{},"async work that outlives the handler"," (fire-and-forget promises, ",[518,2122,2123],{},"setTimeout",", tasks started but not awaited). On many runtimes, ",[518,2126,2127],{},"AsyncLocalStorage"," keeps returning the same request logger, so ",[518,2130,2131],{},"useLogger()"," still succeeds even though the HTTP response — and the wide event — are already finished. Without warnings, that looks like silent data loss.",[1251,2134,2136],{"id":2135},"logforklabel-fn",[518,2137,2138],{},"log.fork(label, fn)",[435,2140,2141,2142,2145,2146,2150,2151,2154,2155,1615,2158,2160,2161,2164,2165,2167],{},"For intentional background work that should produce ",[719,2143,2144],{},"its own"," wide event, use ",[719,2147,2148],{},[518,2149,2138],{}," when your integration provides it (Express, Fastify, NestJS, SvelteKit, React Router, Next.js ",[518,2152,2153],{},"withEvlog",", Elysia). Inside ",[518,2156,2157],{},"fn",[518,2159,2131],{}," resolves to a ",[719,2162,2163],{},"child"," logger. When ",[518,2166,2157],{}," completes (or throws), the child emits an event with:",[461,2169,2170,2182],{},[464,2171,2172,2177,2178,2181],{},[719,2173,2174],{},[518,2175,2176],{},"operation",": the ",[518,2179,2180],{},"label"," you passed",[464,2183,2184,2189,2190,2192],{},[719,2185,2186],{},[518,2187,2188],{},"_parentRequestId",": the parent request’s ",[518,2191,1622],{}," (for correlation in queries and dashboards)",[435,2194,2195,2196,2199],{},"The parent wide event may be emitted ",[719,2197,2198],{},"before"," the child event; they are two separate events ordered by time.",[435,2201,2202,2205,2206,2208,2209,2212,2213,2215],{},[719,2203,2204],{},"Not available yet:"," Hono (no ",[518,2207,1849],{}," without ",[518,2210,2211],{},"c.get('log')"," + ALS) and Nitro\u002FNuxt ",[518,2214,1856],{}," — use the post-emit warnings to catch mistakes; a different API may arrive later for event-scoped forks.",[510,2217,2220],{"className":512,"code":2218,"filename":2219,"language":515,"meta":516,"style":516},"import { evlog, useLogger } from 'evlog\u002Fexpress'\n\n\u002F\u002F Inside a route after evlog middleware:\nconst log = req.log\nlog.set({ order_dispatched: true })\n\nlog.fork?.('process_order', async () => {\n const child = useLogger()\n child.set({ inventory_checked: true })\n})\n","server\u002Froutes\u002Fcheckout.post.ts",[518,2221,2222,2246,2250,2255,2271,2294,2298,2331,2344,2368],{"__ignoreMap":516},[521,2223,2224,2226,2228,2231,2233,2235,2237,2239,2241,2244],{"class":523,"line":524},[521,2225,758],{"class":757},[521,2227,575],{"class":531},[521,2229,2230],{"class":527}," evlog",[521,2232,572],{"class":531},[521,2234,763],{"class":527},[521,2236,633],{"class":531},[521,2238,768],{"class":757},[521,2240,625],{"class":531},[521,2242,2243],{"class":545},"evlog\u002Fexpress",[521,2245,776],{"class":531},[521,2247,2248],{"class":523,"line":554},[521,2249,782],{"emptyLinePlaceholder":781},[521,2251,2252],{"class":523,"line":598},[521,2253,2254],{"class":2046},"\u002F\u002F Inside a route after evlog middleware:\n",[521,2256,2257,2259,2261,2263,2266,2268],{"class":523,"line":638},[521,2258,788],{"class":787},[521,2260,791],{"class":527},[521,2262,794],{"class":531},[521,2264,2265],{"class":527}," req",[521,2267,532],{"class":531},[521,2269,2270],{"class":527},"log\n",[521,2272,2273,2275,2277,2279,2281,2283,2286,2288,2290,2292],{"class":523,"line":658},[521,2274,808],{"class":527},[521,2276,532],{"class":531},[521,2278,813],{"class":535},[521,2280,539],{"class":527},[521,2282,818],{"class":531},[521,2284,2285],{"class":578}," order_dispatched",[521,2287,582],{"class":531},[521,2289,2039],{"class":2038},[521,2291,633],{"class":531},[521,2293,551],{"class":527},[521,2295,2296],{"class":523,"line":678},[521,2297,782],{"emptyLinePlaceholder":781},[521,2299,2300,2302,2304,2307,2310,2312,2314,2317,2319,2321,2324,2327,2329],{"class":523,"line":907},[521,2301,808],{"class":527},[521,2303,532],{"class":531},[521,2305,2306],{"class":535},"fork",[521,2308,2309],{"class":531},"?.",[521,2311,539],{"class":527},[521,2313,542],{"class":531},[521,2315,2316],{"class":545},"process_order",[521,2318,542],{"class":531},[521,2320,572],{"class":531},[521,2322,2323],{"class":787}," async",[521,2325,2326],{"class":531}," ()",[521,2328,1912],{"class":787},[521,2330,1915],{"class":531},[521,2332,2333,2335,2338,2340,2342],{"class":523,"line":1403},[521,2334,1920],{"class":787},[521,2336,2337],{"class":527}," child",[521,2339,1926],{"class":531},[521,2341,763],{"class":535},[521,2343,1127],{"class":578},[521,2345,2346,2349,2351,2353,2355,2357,2360,2362,2364,2366],{"class":523,"line":1432},[521,2347,2348],{"class":527}," child",[521,2350,532],{"class":531},[521,2352,813],{"class":535},[521,2354,539],{"class":578},[521,2356,818],{"class":531},[521,2358,2359],{"class":578}," inventory_checked",[521,2361,582],{"class":531},[521,2363,2039],{"class":2038},[521,2365,633],{"class":531},[521,2367,551],{"class":578},[521,2369,2370,2372],{"class":523,"line":1437},[521,2371,593],{"class":531},[521,2373,551],{"class":527},[499,2375,2377],{"id":2376},"anatomy-of-a-wide-event","Anatomy of a Wide Event",[435,2379,2380,2381,2383,2384,1615,2386,2388,2389,532],{},"A well-designed wide event contains context from multiple layers. The examples below show what to add inside your handler or script. They assume ",[518,2382,808],{}," is already created via ",[518,2385,1256],{},[518,2387,1601],{},", or ",[518,2390,1849],{},[1251,2392,2394],{"id":2393},"operation-context","Operation Context",[435,2396,2397],{},"Basic information about the operation:",[745,2399,2400,2504],{},[510,2401,2403],{"className":512,"code":2402,"filename":750,"language":515,"meta":516,"style":516},"import { useLogger } from 'evlog'\n\nconst log = useLogger(event)\nlog.set({\n method: 'POST',\n path: '\u002Fapi\u002Fcheckout',\n requestId: 'abc-123-def',\n})\n",[518,2404,2405,2423,2427,2439,2451,2467,2482,2498],{"__ignoreMap":516},[521,2406,2407,2409,2411,2413,2415,2417,2419,2421],{"class":523,"line":524},[521,2408,758],{"class":757},[521,2410,575],{"class":531},[521,2412,763],{"class":527},[521,2414,633],{"class":531},[521,2416,768],{"class":757},[521,2418,625],{"class":531},[521,2420,773],{"class":545},[521,2422,776],{"class":531},[521,2424,2425],{"class":523,"line":554},[521,2426,782],{"emptyLinePlaceholder":781},[521,2428,2429,2431,2433,2435,2437],{"class":523,"line":598},[521,2430,788],{"class":787},[521,2432,791],{"class":527},[521,2434,794],{"class":531},[521,2436,763],{"class":535},[521,2438,799],{"class":527},[521,2440,2441,2443,2445,2447,2449],{"class":523,"line":638},[521,2442,808],{"class":527},[521,2444,532],{"class":531},[521,2446,813],{"class":535},[521,2448,539],{"class":527},[521,2450,1471],{"class":531},[521,2452,2453,2456,2458,2460,2462,2464],{"class":523,"line":658},[521,2454,2455],{"class":578}," method",[521,2457,582],{"class":531},[521,2459,625],{"class":531},[521,2461,1713],{"class":545},[521,2463,542],{"class":531},[521,2465,2466],{"class":531},",\n",[521,2468,2469,2472,2474,2476,2478,2480],{"class":523,"line":678},[521,2470,2471],{"class":578}," path",[521,2473,582],{"class":531},[521,2475,625],{"class":531},[521,2477,1727],{"class":545},[521,2479,542],{"class":531},[521,2481,2466],{"class":531},[521,2483,2484,2487,2489,2491,2494,2496],{"class":523,"line":907},[521,2485,2486],{"class":578}," requestId",[521,2488,582],{"class":531},[521,2490,625],{"class":531},[521,2492,2493],{"class":545},"abc-123-def",[521,2495,542],{"class":531},[521,2497,2466],{"class":531},[521,2499,2500,2502],{"class":523,"line":1403},[521,2501,593],{"class":531},[521,2503,551],{"class":527},[510,2505,2507],{"className":512,"code":2506,"filename":960,"language":515,"meta":516,"style":516},"import { createLogger } from 'evlog'\n\nconst log = createLogger({\n jobId: 'sync-001',\n queue: 'emails',\n source: 'postgres',\n})\n",[518,2508,2509,2527,2531,2545,2560,2575,2590],{"__ignoreMap":516},[521,2510,2511,2513,2515,2517,2519,2521,2523,2525],{"class":523,"line":524},[521,2512,758],{"class":757},[521,2514,575],{"class":531},[521,2516,971],{"class":527},[521,2518,633],{"class":531},[521,2520,768],{"class":757},[521,2522,625],{"class":531},[521,2524,773],{"class":545},[521,2526,776],{"class":531},[521,2528,2529],{"class":523,"line":554},[521,2530,782],{"emptyLinePlaceholder":781},[521,2532,2533,2535,2537,2539,2541,2543],{"class":523,"line":598},[521,2534,788],{"class":787},[521,2536,791],{"class":527},[521,2538,794],{"class":531},[521,2540,971],{"class":535},[521,2542,539],{"class":527},[521,2544,1471],{"class":531},[521,2546,2547,2550,2552,2554,2556,2558],{"class":523,"line":638},[521,2548,2549],{"class":578}," jobId",[521,2551,582],{"class":531},[521,2553,625],{"class":531},[521,2555,1009],{"class":545},[521,2557,542],{"class":531},[521,2559,2466],{"class":531},[521,2561,2562,2565,2567,2569,2571,2573],{"class":523,"line":658},[521,2563,2564],{"class":578}," queue",[521,2566,582],{"class":531},[521,2568,625],{"class":531},[521,2570,1023],{"class":545},[521,2572,542],{"class":531},[521,2574,2466],{"class":531},[521,2576,2577,2580,2582,2584,2586,2588],{"class":523,"line":678},[521,2578,2579],{"class":578}," source",[521,2581,582],{"class":531},[521,2583,625],{"class":531},[521,2585,628],{"class":545},[521,2587,542],{"class":531},[521,2589,2466],{"class":531},[521,2591,2592,2594],{"class":523,"line":907},[521,2593,593],{"class":531},[521,2595,551],{"class":527},[439,2597,2598,2599,1615,2601,1615,2603,2605],{"color":536,"icon":13},"In framework integrations, request context (",[518,2600,1614],{},[518,2602,1618],{},[518,2604,1622],{},") is auto-populated by the middleware. You don't need to set these fields manually.",[1251,2607,2609],{"id":2608},"user-actor-context","User \u002F Actor Context",[435,2611,2612],{},"Who triggered the operation:",[510,2614,2616],{"className":512,"code":2615,"filename":750,"language":515,"meta":516,"style":516},"log.set({\n userId: user.id,\n email: user.email,\n subscription: user.plan,\n accountAge: daysSince(user.createdAt),\n})\n",[518,2617,2618,2630,2645,2660,2675,2695],{"__ignoreMap":516},[521,2619,2620,2622,2624,2626,2628],{"class":523,"line":524},[521,2621,808],{"class":527},[521,2623,532],{"class":531},[521,2625,813],{"class":535},[521,2627,539],{"class":527},[521,2629,1471],{"class":531},[521,2631,2632,2635,2637,2639,2641,2643],{"class":523,"line":554},[521,2633,2634],{"class":578}," userId",[521,2636,582],{"class":531},[521,2638,585],{"class":527},[521,2640,532],{"class":531},[521,2642,1500],{"class":527},[521,2644,2466],{"class":531},[521,2646,2647,2650,2652,2654,2656,2658],{"class":523,"line":598},[521,2648,2649],{"class":578}," email",[521,2651,582],{"class":531},[521,2653,585],{"class":527},[521,2655,532],{"class":531},[521,2657,1514],{"class":527},[521,2659,2466],{"class":531},[521,2661,2662,2665,2667,2669,2671,2673],{"class":523,"line":638},[521,2663,2664],{"class":578}," subscription",[521,2666,582],{"class":531},[521,2668,585],{"class":527},[521,2670,532],{"class":531},[521,2672,1527],{"class":527},[521,2674,2466],{"class":531},[521,2676,2677,2680,2682,2685,2688,2690,2693],{"class":523,"line":658},[521,2678,2679],{"class":578}," accountAge",[521,2681,582],{"class":531},[521,2683,2684],{"class":535}," daysSince",[521,2686,2687],{"class":527},"(user",[521,2689,532],{"class":531},[521,2691,2692],{"class":527},"createdAt)",[521,2694,2466],{"class":531},[521,2696,2697,2699],{"class":523,"line":678},[521,2698,593],{"class":531},[521,2700,551],{"class":527},[1251,2702,2704],{"id":2703},"business-context","Business Context",[435,2706,2707],{},"Domain-specific data relevant to the operation:",[510,2709,2711],{"className":512,"code":2710,"filename":750,"language":515,"meta":516,"style":516},"log.set({\n cart: {\n id: cart.id,\n items: cart.items.length,\n total: cart.total,\n currency: 'USD',\n },\n shipping: {\n method: 'express',\n country: address.country,\n },\n coupon: appliedCoupon?.code,\n})\n",[518,2712,2713,2725,2734,2749,2770,2786,2802,2807,2816,2832,2849,2853,2869],{"__ignoreMap":516},[521,2714,2715,2717,2719,2721,2723],{"class":523,"line":524},[521,2716,808],{"class":527},[521,2718,532],{"class":531},[521,2720,813],{"class":535},[521,2722,539],{"class":527},[521,2724,1471],{"class":531},[521,2726,2727,2730,2732],{"class":523,"line":554},[521,2728,2729],{"class":578}," cart",[521,2731,582],{"class":531},[521,2733,1915],{"class":531},[521,2735,2736,2739,2741,2743,2745,2747],{"class":523,"line":598},[521,2737,2738],{"class":578}," id",[521,2740,582],{"class":531},[521,2742,867],{"class":527},[521,2744,532],{"class":531},[521,2746,1500],{"class":527},[521,2748,2466],{"class":531},[521,2750,2751,2754,2756,2758,2760,2763,2765,2768],{"class":523,"line":638},[521,2752,2753],{"class":578}," items",[521,2755,582],{"class":531},[521,2757,867],{"class":527},[521,2759,532],{"class":531},[521,2761,2762],{"class":527},"items",[521,2764,532],{"class":531},[521,2766,2767],{"class":527},"length",[521,2769,2466],{"class":531},[521,2771,2772,2775,2777,2779,2781,2784],{"class":523,"line":658},[521,2773,2774],{"class":578}," total",[521,2776,582],{"class":531},[521,2778,867],{"class":527},[521,2780,532],{"class":531},[521,2782,2783],{"class":527},"total",[521,2785,2466],{"class":531},[521,2787,2788,2791,2793,2795,2798,2800],{"class":523,"line":678},[521,2789,2790],{"class":578}," currency",[521,2792,582],{"class":531},[521,2794,625],{"class":531},[521,2796,2797],{"class":545},"USD",[521,2799,542],{"class":531},[521,2801,2466],{"class":531},[521,2803,2804],{"class":523,"line":907},[521,2805,2806],{"class":531}," },\n",[521,2808,2809,2812,2814],{"class":523,"line":1403},[521,2810,2811],{"class":578}," shipping",[521,2813,582],{"class":531},[521,2815,1915],{"class":531},[521,2817,2818,2821,2823,2825,2828,2830],{"class":523,"line":1432},[521,2819,2820],{"class":578}," method",[521,2822,582],{"class":531},[521,2824,625],{"class":531},[521,2826,2827],{"class":545},"express",[521,2829,542],{"class":531},[521,2831,2466],{"class":531},[521,2833,2834,2837,2839,2842,2844,2847],{"class":523,"line":1437},[521,2835,2836],{"class":578}," country",[521,2838,582],{"class":531},[521,2840,2841],{"class":527}," address",[521,2843,532],{"class":531},[521,2845,2846],{"class":527},"country",[521,2848,2466],{"class":531},[521,2850,2851],{"class":523,"line":1451},[521,2852,2806],{"class":531},[521,2854,2855,2858,2860,2863,2865,2867],{"class":523,"line":1474},[521,2856,2857],{"class":578}," coupon",[521,2859,582],{"class":531},[521,2861,2862],{"class":527}," appliedCoupon",[521,2864,2309],{"class":531},[521,2866,518],{"class":527},[521,2868,2466],{"class":531},[521,2870,2871,2873],{"class":523,"line":1534},[521,2872,593],{"class":531},[521,2874,551],{"class":527},[1251,2876,2878],{"id":2877},"outcome","Outcome",[435,2880,2881],{},"The result of the operation:",[745,2883,2884,2957],{},[510,2885,2888],{"className":512,"code":2886,"filename":2887,"language":515,"meta":516,"style":516},"log.set({\n status: 200,\n duration: Date.now() - startTime,\n success: true,\n})\n","Success",[518,2889,2890,2902,2914,2940,2951],{"__ignoreMap":516},[521,2891,2892,2894,2896,2898,2900],{"class":523,"line":524},[521,2893,808],{"class":527},[521,2895,532],{"class":531},[521,2897,813],{"class":535},[521,2899,539],{"class":527},[521,2901,1471],{"class":531},[521,2903,2904,2907,2909,2912],{"class":523,"line":554},[521,2905,2906],{"class":578}," status",[521,2908,582],{"class":531},[521,2910,2911],{"class":705}," 200",[521,2913,2466],{"class":531},[521,2915,2916,2919,2921,2924,2926,2929,2932,2935,2938],{"class":523,"line":598},[521,2917,2918],{"class":578}," duration",[521,2920,582],{"class":531},[521,2922,2923],{"class":527}," Date",[521,2925,532],{"class":531},[521,2927,2928],{"class":535},"now",[521,2930,2931],{"class":527},"() ",[521,2933,2934],{"class":531},"-",[521,2936,2937],{"class":527}," startTime",[521,2939,2466],{"class":531},[521,2941,2942,2945,2947,2949],{"class":523,"line":638},[521,2943,2944],{"class":578}," success",[521,2946,582],{"class":531},[521,2948,2039],{"class":2038},[521,2950,2466],{"class":531},[521,2952,2953,2955],{"class":523,"line":658},[521,2954,593],{"class":531},[521,2956,551],{"class":527},[510,2958,2961],{"className":512,"code":2959,"filename":2960,"language":515,"meta":516,"style":516},"log.set({\n status: 500,\n error: {\n message: err.message,\n code: err.code,\n type: err.constructor.name,\n },\n})\n","Error",[518,2962,2963,2975,2986,2995,3012,3027,3048,3052],{"__ignoreMap":516},[521,2964,2965,2967,2969,2971,2973],{"class":523,"line":524},[521,2966,808],{"class":527},[521,2968,532],{"class":531},[521,2970,813],{"class":535},[521,2972,539],{"class":527},[521,2974,1471],{"class":531},[521,2976,2977,2979,2981,2984],{"class":523,"line":554},[521,2978,2906],{"class":578},[521,2980,582],{"class":531},[521,2982,2983],{"class":705}," 500",[521,2985,2466],{"class":531},[521,2987,2988,2991,2993],{"class":523,"line":598},[521,2989,2990],{"class":578}," error",[521,2992,582],{"class":531},[521,2994,1915],{"class":531},[521,2996,2997,3000,3002,3005,3007,3010],{"class":523,"line":638},[521,2998,2999],{"class":578}," message",[521,3001,582],{"class":531},[521,3003,3004],{"class":527}," err",[521,3006,532],{"class":531},[521,3008,3009],{"class":527},"message",[521,3011,2466],{"class":531},[521,3013,3014,3017,3019,3021,3023,3025],{"class":523,"line":658},[521,3015,3016],{"class":578}," code",[521,3018,582],{"class":531},[521,3020,3004],{"class":527},[521,3022,532],{"class":531},[521,3024,518],{"class":527},[521,3026,2466],{"class":531},[521,3028,3029,3032,3034,3036,3038,3041,3043,3046],{"class":523,"line":678},[521,3030,3031],{"class":578}," type",[521,3033,582],{"class":531},[521,3035,3004],{"class":527},[521,3037,532],{"class":531},[521,3039,3040],{"class":527},"constructor",[521,3042,532],{"class":531},[521,3044,3045],{"class":527},"name",[521,3047,2466],{"class":531},[521,3049,3050],{"class":523,"line":907},[521,3051,2806],{"class":531},[521,3053,3054,3056],{"class":523,"line":1403},[521,3055,593],{"class":531},[521,3057,551],{"class":527},[499,3059,417],{"id":3060},"best-practices",[1251,3062,3064],{"id":3063},"use-meaningful-keys","Use Meaningful Keys",[510,3066,3069],{"className":512,"code":3067,"filename":3068,"language":515,"meta":516,"style":516},"\u002F\u002F Avoid generic keys\nlog.set({ data: { id: 123 } })\n\n\u002F\u002F Use specific, descriptive keys\nlog.set({ order: { id: 123, status: 'pending' } })\n","server\u002Fapi\u002Forders.post.ts",[518,3070,3071,3076,3108,3112,3117],{"__ignoreMap":516},[521,3072,3073],{"class":523,"line":524},[521,3074,3075],{"class":2046},"\u002F\u002F Avoid generic keys\n",[521,3077,3078,3080,3082,3084,3086,3088,3091,3093,3095,3097,3099,3102,3104,3106],{"class":523,"line":554},[521,3079,808],{"class":527},[521,3081,532],{"class":531},[521,3083,813],{"class":535},[521,3085,539],{"class":527},[521,3087,818],{"class":531},[521,3089,3090],{"class":578}," data",[521,3092,582],{"class":531},[521,3094,575],{"class":531},[521,3096,827],{"class":578},[521,3098,582],{"class":531},[521,3100,3101],{"class":705}," 123",[521,3103,633],{"class":531},[521,3105,633],{"class":531},[521,3107,551],{"class":527},[521,3109,3110],{"class":523,"line":598},[521,3111,782],{"emptyLinePlaceholder":781},[521,3113,3114],{"class":523,"line":638},[521,3115,3116],{"class":2046},"\u002F\u002F Use specific, descriptive keys\n",[521,3118,3119,3121,3123,3125,3127,3129,3132,3134,3136,3138,3140,3142,3144,3146,3148,3150,3153,3155,3157,3159],{"class":523,"line":658},[521,3120,808],{"class":527},[521,3122,532],{"class":531},[521,3124,813],{"class":535},[521,3126,539],{"class":527},[521,3128,818],{"class":531},[521,3130,3131],{"class":578}," order",[521,3133,582],{"class":531},[521,3135,575],{"class":531},[521,3137,827],{"class":578},[521,3139,582],{"class":531},[521,3141,3101],{"class":705},[521,3143,572],{"class":531},[521,3145,941],{"class":578},[521,3147,582],{"class":531},[521,3149,625],{"class":531},[521,3151,3152],{"class":545},"pending",[521,3154,542],{"class":531},[521,3156,633],{"class":531},[521,3158,633],{"class":531},[521,3160,551],{"class":527},[1251,3162,3164],{"id":3163},"group-related-data","Group Related Data",[510,3166,3168],{"className":512,"code":3167,"filename":750,"language":515,"meta":516,"style":516},"\u002F\u002F Flat structure is hard to read\nlog.set({\n userId: 1,\n userEmail: 'a@b.com',\n cartId: 2,\n cartTotal: 100,\n})\n\n\u002F\u002F Grouped structure is clearer\nlog.set({\n user: { id: 1, email: 'a@b.com' },\n cart: { id: 2, total: 100 },\n})\n",[518,3169,3170,3175,3187,3197,3213,3225,3237,3243,3247,3252,3264,3294,3318],{"__ignoreMap":516},[521,3171,3172],{"class":523,"line":524},[521,3173,3174],{"class":2046},"\u002F\u002F Flat structure is hard to read\n",[521,3176,3177,3179,3181,3183,3185],{"class":523,"line":554},[521,3178,808],{"class":527},[521,3180,532],{"class":531},[521,3182,813],{"class":535},[521,3184,539],{"class":527},[521,3186,1471],{"class":531},[521,3188,3189,3191,3193,3195],{"class":523,"line":598},[521,3190,2634],{"class":578},[521,3192,582],{"class":531},[521,3194,832],{"class":705},[521,3196,2466],{"class":531},[521,3198,3199,3202,3204,3206,3209,3211],{"class":523,"line":638},[521,3200,3201],{"class":578}," userEmail",[521,3203,582],{"class":531},[521,3205,625],{"class":531},[521,3207,3208],{"class":545},"a@b.com",[521,3210,542],{"class":531},[521,3212,2466],{"class":531},[521,3214,3215,3218,3220,3223],{"class":523,"line":658},[521,3216,3217],{"class":578}," cartId",[521,3219,582],{"class":531},[521,3221,3222],{"class":705}," 2",[521,3224,2466],{"class":531},[521,3226,3227,3230,3232,3235],{"class":523,"line":678},[521,3228,3229],{"class":578}," cartTotal",[521,3231,582],{"class":531},[521,3233,3234],{"class":705}," 100",[521,3236,2466],{"class":531},[521,3238,3239,3241],{"class":523,"line":907},[521,3240,593],{"class":531},[521,3242,551],{"class":527},[521,3244,3245],{"class":523,"line":1403},[521,3246,782],{"emptyLinePlaceholder":781},[521,3248,3249],{"class":523,"line":1432},[521,3250,3251],{"class":2046},"\u002F\u002F Grouped structure is clearer\n",[521,3253,3254,3256,3258,3260,3262],{"class":523,"line":1437},[521,3255,808],{"class":527},[521,3257,532],{"class":531},[521,3259,813],{"class":535},[521,3261,539],{"class":527},[521,3263,1471],{"class":531},[521,3265,3266,3269,3271,3273,3275,3277,3279,3281,3283,3285,3287,3289,3291],{"class":523,"line":1451},[521,3267,3268],{"class":578}," user",[521,3270,582],{"class":531},[521,3272,575],{"class":531},[521,3274,827],{"class":578},[521,3276,582],{"class":531},[521,3278,832],{"class":705},[521,3280,572],{"class":531},[521,3282,1505],{"class":578},[521,3284,582],{"class":531},[521,3286,625],{"class":531},[521,3288,3208],{"class":545},[521,3290,542],{"class":531},[521,3292,3293],{"class":531}," },\n",[521,3295,3296,3298,3300,3302,3304,3306,3308,3310,3312,3314,3316],{"class":523,"line":1474},[521,3297,2729],{"class":578},[521,3299,582],{"class":531},[521,3301,575],{"class":531},[521,3303,827],{"class":578},[521,3305,582],{"class":531},[521,3307,3222],{"class":705},[521,3309,572],{"class":531},[521,3311,893],{"class":578},[521,3313,582],{"class":531},[521,3315,3234],{"class":705},[521,3317,3293],{"class":531},[521,3319,3320,3322],{"class":523,"line":1534},[521,3321,593],{"class":531},[521,3323,551],{"class":527},[1251,3325,3327],{"id":3326},"add-context-incrementally","Add Context Incrementally",[435,3329,3330,3331,3334],{},"Call ",[518,3332,3333],{},"log.set()"," as you gather information:",[745,3336,3337,3644],{},[510,3338,3340],{"className":512,"code":3339,"filename":750,"language":515,"meta":516,"style":516},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler(async (event) => {\n const log = useLogger(event)\n\n const user = await getUser(event)\n log.set({ user: { id: user.id, plan: user.plan } })\n\n const cart = await getCart(user.id)\n log.set({ cart: { items: cart.items.length, total: cart.total } })\n\n const payment = await processPayment(cart)\n log.set({ payment: { method: payment.method, status: payment.status } })\n\n return { success: true }\n})\n",[518,3341,3342,3360,3364,3386,3402,3406,3425,3471,3475,3499,3549,3553,3573,3620,3624,3638],{"__ignoreMap":516},[521,3343,3344,3346,3348,3350,3352,3354,3356,3358],{"class":523,"line":524},[521,3345,758],{"class":757},[521,3347,575],{"class":531},[521,3349,763],{"class":527},[521,3351,633],{"class":531},[521,3353,768],{"class":757},[521,3355,625],{"class":531},[521,3357,773],{"class":545},[521,3359,776],{"class":531},[521,3361,3362],{"class":523,"line":554},[521,3363,782],{"emptyLinePlaceholder":781},[521,3365,3366,3368,3370,3372,3374,3376,3378,3380,3382,3384],{"class":523,"line":598},[521,3367,1889],{"class":757},[521,3369,1892],{"class":757},[521,3371,1895],{"class":535},[521,3373,539],{"class":527},[521,3375,1900],{"class":787},[521,3377,1457],{"class":531},[521,3379,1906],{"class":1905},[521,3381,1909],{"class":531},[521,3383,1912],{"class":787},[521,3385,1915],{"class":531},[521,3387,3388,3390,3392,3394,3396,3398,3400],{"class":523,"line":638},[521,3389,1920],{"class":787},[521,3391,1923],{"class":527},[521,3393,1926],{"class":531},[521,3395,763],{"class":535},[521,3397,539],{"class":578},[521,3399,1906],{"class":527},[521,3401,551],{"class":578},[521,3403,3404],{"class":523,"line":658},[521,3405,782],{"emptyLinePlaceholder":781},[521,3407,3408,3410,3412,3414,3416,3419,3421,3423],{"class":523,"line":678},[521,3409,1920],{"class":787},[521,3411,585],{"class":527},[521,3413,1926],{"class":531},[521,3415,1381],{"class":757},[521,3417,3418],{"class":535}," getUser",[521,3420,539],{"class":578},[521,3422,1906],{"class":527},[521,3424,551],{"class":578},[521,3426,3427,3429,3431,3433,3435,3437,3439,3441,3443,3445,3447,3449,3451,3453,3455,3457,3459,3461,3463,3465,3467,3469],{"class":523,"line":907},[521,3428,1943],{"class":527},[521,3430,532],{"class":531},[521,3432,813],{"class":535},[521,3434,539],{"class":578},[521,3436,818],{"class":531},[521,3438,585],{"class":578},[521,3440,582],{"class":531},[521,3442,575],{"class":531},[521,3444,827],{"class":578},[521,3446,582],{"class":531},[521,3448,585],{"class":527},[521,3450,532],{"class":531},[521,3452,1500],{"class":527},[521,3454,572],{"class":531},[521,3456,837],{"class":578},[521,3458,582],{"class":531},[521,3460,585],{"class":527},[521,3462,532],{"class":531},[521,3464,1527],{"class":527},[521,3466,633],{"class":531},[521,3468,633],{"class":531},[521,3470,551],{"class":578},[521,3472,3473],{"class":523,"line":1403},[521,3474,782],{"emptyLinePlaceholder":781},[521,3476,3477,3479,3481,3483,3485,3488,3490,3493,3495,3497],{"class":523,"line":1432},[521,3478,1920],{"class":787},[521,3480,867],{"class":527},[521,3482,1926],{"class":531},[521,3484,1381],{"class":757},[521,3486,3487],{"class":535}," getCart",[521,3489,539],{"class":578},[521,3491,3492],{"class":527},"user",[521,3494,532],{"class":531},[521,3496,1500],{"class":527},[521,3498,551],{"class":578},[521,3500,3501,3503,3505,3507,3509,3511,3513,3515,3517,3519,3521,3523,3525,3527,3529,3531,3533,3535,3537,3539,3541,3543,3545,3547],{"class":523,"line":1437},[521,3502,1943],{"class":527},[521,3504,532],{"class":531},[521,3506,813],{"class":535},[521,3508,539],{"class":578},[521,3510,818],{"class":531},[521,3512,867],{"class":578},[521,3514,582],{"class":531},[521,3516,575],{"class":531},[521,3518,883],{"class":578},[521,3520,582],{"class":531},[521,3522,867],{"class":527},[521,3524,532],{"class":531},[521,3526,2762],{"class":527},[521,3528,532],{"class":531},[521,3530,2767],{"class":527},[521,3532,572],{"class":531},[521,3534,893],{"class":578},[521,3536,582],{"class":531},[521,3538,867],{"class":527},[521,3540,532],{"class":531},[521,3542,2783],{"class":527},[521,3544,633],{"class":531},[521,3546,633],{"class":531},[521,3548,551],{"class":578},[521,3550,3551],{"class":523,"line":1451},[521,3552,782],{"emptyLinePlaceholder":781},[521,3554,3555,3557,3559,3561,3563,3566,3568,3571],{"class":523,"line":1474},[521,3556,1920],{"class":787},[521,3558,920],{"class":527},[521,3560,1926],{"class":531},[521,3562,1381],{"class":757},[521,3564,3565],{"class":535}," processPayment",[521,3567,539],{"class":578},[521,3569,3570],{"class":527},"cart",[521,3572,551],{"class":578},[521,3574,3575,3577,3579,3581,3583,3585,3587,3589,3591,3593,3595,3597,3599,3601,3603,3605,3607,3609,3611,3614,3616,3618],{"class":523,"line":1534},[521,3576,1943],{"class":527},[521,3578,532],{"class":531},[521,3580,813],{"class":535},[521,3582,539],{"class":578},[521,3584,818],{"class":531},[521,3586,920],{"class":578},[521,3588,582],{"class":531},[521,3590,575],{"class":531},[521,3592,927],{"class":578},[521,3594,582],{"class":531},[521,3596,920],{"class":527},[521,3598,532],{"class":531},[521,3600,1614],{"class":527},[521,3602,572],{"class":531},[521,3604,941],{"class":578},[521,3606,582],{"class":531},[521,3608,920],{"class":527},[521,3610,532],{"class":531},[521,3612,3613],{"class":527},"status",[521,3615,633],{"class":531},[521,3617,633],{"class":531},[521,3619,551],{"class":578},[521,3621,3622],{"class":523,"line":1543},[521,3623,782],{"emptyLinePlaceholder":781},[521,3625,3626,3628,3630,3632,3634,3636],{"class":523,"line":1549},[521,3627,2028],{"class":757},[521,3629,575],{"class":531},[521,3631,2033],{"class":578},[521,3633,582],{"class":531},[521,3635,2039],{"class":2038},[521,3637,1180],{"class":531},[521,3639,3640,3642],{"class":523,"line":1554},[521,3641,593],{"class":531},[521,3643,551],{"class":527},[510,3645,3647],{"className":1130,"code":3646,"filename":1132,"language":1133,"meta":516,"style":516},"[INFO] POST \u002Fapi\u002Fcheckout (456ms)\n user: { id: 1, plan: 'pro' }\n cart: { items: 3, total: 9999 }\n payment: { method: 'card', status: 'success' }\n status: 200\n",[518,3648,3649,3664,3684,3700,3726],{"__ignoreMap":516},[521,3650,3651,3653,3655,3657,3659,3662],{"class":523,"line":524},[521,3652,1140],{"class":531},[521,3654,1143],{"class":527},[521,3656,1146],{"class":531},[521,3658,1149],{"class":527},[521,3660,3661],{"class":1152},"456ms",[521,3663,551],{"class":527},[521,3665,3666,3668,3670,3672,3674,3676,3678,3680,3682],{"class":523,"line":554},[521,3667,1160],{"class":1152},[521,3669,575],{"class":545},[521,3671,1165],{"class":545},[521,3673,1168],{"class":545},[521,3675,1171],{"class":545},[521,3677,625],{"class":531},[521,3679,844],{"class":545},[521,3681,542],{"class":531},[521,3683,1180],{"class":545},[521,3685,3686,3688,3690,3692,3694,3696,3698],{"class":523,"line":598},[521,3687,1185],{"class":1152},[521,3689,575],{"class":545},[521,3691,1195],{"class":545},[521,3693,1198],{"class":545},[521,3695,1201],{"class":545},[521,3697,898],{"class":705},[521,3699,1180],{"class":545},[521,3701,3702,3704,3706,3708,3710,3712,3714,3716,3718,3720,3722,3724],{"class":523,"line":638},[521,3703,1210],{"class":1152},[521,3705,575],{"class":545},[521,3707,1215],{"class":545},[521,3709,625],{"class":531},[521,3711,934],{"class":545},[521,3713,542],{"class":531},[521,3715,572],{"class":545},[521,3717,1226],{"class":545},[521,3719,625],{"class":531},[521,3721,948],{"class":545},[521,3723,542],{"class":531},[521,3725,1180],{"class":545},[521,3727,3728,3730],{"class":523,"line":658},[521,3729,1239],{"class":1152},[521,3731,1242],{"class":705},[1251,3733,3735],{"id":3734},"handle-errors-gracefully","Handle Errors Gracefully",[435,3737,3738],{},"When errors occur, the wide event still emits with error context:",[745,3740,3741,3967],{},[510,3742,3744],{"className":512,"code":3743,"filename":750,"language":515,"meta":516,"style":516},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler(async (event) => {\n const log = useLogger(event)\n\n try {\n const result = await processPayment(cart)\n return result\n } catch (err) {\n log.set({\n error: {\n message: err.message,\n code: err.code,\n type: err.constructor.name,\n },\n })\n throw err\n }\n})\n",[518,3745,3746,3764,3768,3790,3806,3810,3817,3837,3845,3863,3876,3885,3900,3915,3934,3939,3946,3954,3960],{"__ignoreMap":516},[521,3747,3748,3750,3752,3754,3756,3758,3760,3762],{"class":523,"line":524},[521,3749,758],{"class":757},[521,3751,575],{"class":531},[521,3753,763],{"class":527},[521,3755,633],{"class":531},[521,3757,768],{"class":757},[521,3759,625],{"class":531},[521,3761,773],{"class":545},[521,3763,776],{"class":531},[521,3765,3766],{"class":523,"line":554},[521,3767,782],{"emptyLinePlaceholder":781},[521,3769,3770,3772,3774,3776,3778,3780,3782,3784,3786,3788],{"class":523,"line":598},[521,3771,1889],{"class":757},[521,3773,1892],{"class":757},[521,3775,1895],{"class":535},[521,3777,539],{"class":527},[521,3779,1900],{"class":787},[521,3781,1457],{"class":531},[521,3783,1906],{"class":1905},[521,3785,1909],{"class":531},[521,3787,1912],{"class":787},[521,3789,1915],{"class":531},[521,3791,3792,3794,3796,3798,3800,3802,3804],{"class":523,"line":638},[521,3793,1920],{"class":787},[521,3795,1923],{"class":527},[521,3797,1926],{"class":531},[521,3799,763],{"class":535},[521,3801,539],{"class":578},[521,3803,1906],{"class":527},[521,3805,551],{"class":578},[521,3807,3808],{"class":523,"line":658},[521,3809,782],{"emptyLinePlaceholder":781},[521,3811,3812,3815],{"class":523,"line":678},[521,3813,3814],{"class":757}," try",[521,3816,1915],{"class":531},[521,3818,3819,3822,3825,3827,3829,3831,3833,3835],{"class":523,"line":907},[521,3820,3821],{"class":787}," const",[521,3823,3824],{"class":527}," result",[521,3826,1926],{"class":531},[521,3828,1381],{"class":757},[521,3830,3565],{"class":535},[521,3832,539],{"class":578},[521,3834,3570],{"class":527},[521,3836,551],{"class":578},[521,3838,3839,3842],{"class":523,"line":1403},[521,3840,3841],{"class":757}," return",[521,3843,3844],{"class":527}," result\n",[521,3846,3847,3850,3853,3855,3858,3861],{"class":523,"line":1432},[521,3848,3849],{"class":531}," }",[521,3851,3852],{"class":757}," catch",[521,3854,1457],{"class":578},[521,3856,3857],{"class":527},"err",[521,3859,3860],{"class":578},") ",[521,3862,1471],{"class":531},[521,3864,3865,3868,3870,3872,3874],{"class":523,"line":1437},[521,3866,3867],{"class":527}," log",[521,3869,532],{"class":531},[521,3871,813],{"class":535},[521,3873,539],{"class":578},[521,3875,1471],{"class":531},[521,3877,3878,3881,3883],{"class":523,"line":1451},[521,3879,3880],{"class":578}," error",[521,3882,582],{"class":531},[521,3884,1915],{"class":531},[521,3886,3887,3890,3892,3894,3896,3898],{"class":523,"line":1474},[521,3888,3889],{"class":578}," message",[521,3891,582],{"class":531},[521,3893,3004],{"class":527},[521,3895,532],{"class":531},[521,3897,3009],{"class":527},[521,3899,2466],{"class":531},[521,3901,3902,3905,3907,3909,3911,3913],{"class":523,"line":1534},[521,3903,3904],{"class":578}," code",[521,3906,582],{"class":531},[521,3908,3004],{"class":527},[521,3910,532],{"class":531},[521,3912,518],{"class":527},[521,3914,2466],{"class":531},[521,3916,3917,3920,3922,3924,3926,3928,3930,3932],{"class":523,"line":1543},[521,3918,3919],{"class":578}," type",[521,3921,582],{"class":531},[521,3923,3004],{"class":527},[521,3925,532],{"class":531},[521,3927,3040],{"class":527},[521,3929,532],{"class":531},[521,3931,3045],{"class":527},[521,3933,2466],{"class":531},[521,3935,3936],{"class":523,"line":1549},[521,3937,3938],{"class":531}," },\n",[521,3940,3941,3944],{"class":523,"line":1554},[521,3942,3943],{"class":531}," }",[521,3945,551],{"class":578},[521,3947,3948,3951],{"class":523,"line":1587},[521,3949,3950],{"class":757}," throw",[521,3952,3953],{"class":527}," err\n",[521,3955,3957],{"class":523,"line":3956},18,[521,3958,3959],{"class":531}," }\n",[521,3961,3963,3965],{"class":523,"line":3962},19,[521,3964,593],{"class":531},[521,3966,551],{"class":527},[510,3968,3970],{"className":1130,"code":3969,"filename":1132,"language":1133,"meta":516,"style":516},"[ERROR] POST \u002Fapi\u002Fcheckout (123ms)\n user: { id: 1, plan: 'pro' }\n cart: { items: 3, total: 9999 }\n error: {\n message: 'Card declined',\n code: 'CARD_DECLINED',\n type: 'PaymentError'\n }\n status: 500\n",[518,3971,3972,3988,4008,4024,4031,4045,4059,4072,4076],{"__ignoreMap":516},[521,3973,3974,3976,3979,3981,3983,3986],{"class":523,"line":524},[521,3975,1140],{"class":531},[521,3977,3978],{"class":527},"ERROR",[521,3980,1146],{"class":531},[521,3982,1149],{"class":527},[521,3984,3985],{"class":1152},"123ms",[521,3987,551],{"class":527},[521,3989,3990,3992,3994,3996,3998,4000,4002,4004,4006],{"class":523,"line":554},[521,3991,1160],{"class":1152},[521,3993,575],{"class":545},[521,3995,1165],{"class":545},[521,3997,1168],{"class":545},[521,3999,1171],{"class":545},[521,4001,625],{"class":531},[521,4003,844],{"class":545},[521,4005,542],{"class":531},[521,4007,1180],{"class":545},[521,4009,4010,4012,4014,4016,4018,4020,4022],{"class":523,"line":598},[521,4011,1185],{"class":1152},[521,4013,575],{"class":545},[521,4015,1195],{"class":545},[521,4017,1198],{"class":545},[521,4019,1201],{"class":545},[521,4021,898],{"class":705},[521,4023,1180],{"class":545},[521,4025,4026,4029],{"class":523,"line":638},[521,4027,4028],{"class":1152}," error:",[521,4030,1915],{"class":545},[521,4032,4033,4036,4038,4041,4043],{"class":523,"line":658},[521,4034,4035],{"class":1152}," message:",[521,4037,625],{"class":531},[521,4039,4040],{"class":545},"Card declined",[521,4042,542],{"class":531},[521,4044,2466],{"class":545},[521,4046,4047,4050,4052,4055,4057],{"class":523,"line":678},[521,4048,4049],{"class":1152}," code:",[521,4051,625],{"class":531},[521,4053,4054],{"class":545},"CARD_DECLINED",[521,4056,542],{"class":531},[521,4058,2466],{"class":545},[521,4060,4061,4063,4065,4067,4070],{"class":523,"line":907},[521,4062,3031],{"class":535},[521,4064,582],{"class":545},[521,4066,625],{"class":531},[521,4068,4069],{"class":545},"PaymentError",[521,4071,776],{"class":531},[521,4073,4074],{"class":523,"line":1403},[521,4075,3959],{"class":527},[521,4077,4078,4080],{"class":523,"line":1432},[521,4079,1239],{"class":1152},[521,4081,4082],{"class":705}," 500\n",[1251,4084,4086],{"id":4085},"setting-the-level-manually","Setting the Level Manually",[435,4088,4089,4092,4093,4095,4096,4099,4100,4103,4104,4106,4107,4110],{},[518,4090,4091],{},"log.error(err)"," populates the ",[518,4094,2084],{}," field with ",[518,4097,4098],{},"{ name, message, stack }"," and promotes the wide event to ",[518,4101,4102],{},"level: 'error'",". When you want to control the ",[518,4105,2084],{}," field yourself — typed error codes, no stack, or richer custom shapes — use ",[518,4108,4109],{},"log.setLevel()"," to promote the level without touching the context:",[510,4112,4114],{"className":512,"code":4113,"language":515,"meta":516,"style":516},"log.setLevel('error')\nlog.set({\n error: {\n code: 'PAYMENT_DECLINED',\n reason: 'insufficient_funds',\n },\n})\n",[518,4115,4116,4135,4147,4155,4170,4186,4190],{"__ignoreMap":516},[521,4117,4118,4120,4122,4125,4127,4129,4131,4133],{"class":523,"line":524},[521,4119,808],{"class":527},[521,4121,532],{"class":531},[521,4123,4124],{"class":535},"setLevel",[521,4126,539],{"class":527},[521,4128,542],{"class":531},[521,4130,2084],{"class":545},[521,4132,542],{"class":531},[521,4134,551],{"class":527},[521,4136,4137,4139,4141,4143,4145],{"class":523,"line":554},[521,4138,808],{"class":527},[521,4140,532],{"class":531},[521,4142,813],{"class":535},[521,4144,539],{"class":527},[521,4146,1471],{"class":531},[521,4148,4149,4151,4153],{"class":523,"line":598},[521,4150,2990],{"class":578},[521,4152,582],{"class":531},[521,4154,1915],{"class":531},[521,4156,4157,4159,4161,4163,4166,4168],{"class":523,"line":638},[521,4158,3016],{"class":578},[521,4160,582],{"class":531},[521,4162,625],{"class":531},[521,4164,4165],{"class":545},"PAYMENT_DECLINED",[521,4167,542],{"class":531},[521,4169,2466],{"class":531},[521,4171,4172,4175,4177,4179,4182,4184],{"class":523,"line":658},[521,4173,4174],{"class":578}," reason",[521,4176,582],{"class":531},[521,4178,625],{"class":531},[521,4180,4181],{"class":545},"insufficient_funds",[521,4183,542],{"class":531},[521,4185,2466],{"class":531},[521,4187,4188],{"class":523,"line":678},[521,4189,2806],{"class":531},[521,4191,4192,4194],{"class":523,"line":907},[521,4193,593],{"class":531},[521,4195,551],{"class":527},[435,4197,4198,4201,4202,4205,4206,4209,4210,4213,4214,4216],{},[518,4199,4200],{},"setLevel()"," accepts ",[518,4203,4204],{},"'error' | 'warn' | 'info' | 'debug'"," and wins over the level computed from ",[518,4207,4208],{},".error()"," \u002F ",[518,4211,4212],{},".warn()",". Combine it with ",[518,4215,3333],{}," to keep the wide event tidy while still routing through error-level sampling and drains.",[499,4218,4220],{"id":4219},"output-formats","Output Formats",[435,4222,4223],{},"evlog automatically switches between formats based on environment: pretty in development, JSON in production. This is the default behavior, no configuration needed.",[745,4225,4226,4308],{},[510,4227,4230],{"className":1130,"code":4228,"filename":4229,"language":1133,"meta":516,"style":516},"[INFO] POST \u002Fapi\u002Fcheckout (234ms)\n user: { id: 1, plan: 'pro' }\n cart: { items: 3, total: 9999 }\n payment: { method: 'card', status: 'success' }\n","Development (Pretty)",[518,4231,4232,4246,4266,4282],{"__ignoreMap":516},[521,4233,4234,4236,4238,4240,4242,4244],{"class":523,"line":524},[521,4235,1140],{"class":531},[521,4237,1143],{"class":527},[521,4239,1146],{"class":531},[521,4241,1149],{"class":527},[521,4243,1153],{"class":1152},[521,4245,551],{"class":527},[521,4247,4248,4250,4252,4254,4256,4258,4260,4262,4264],{"class":523,"line":554},[521,4249,1160],{"class":1152},[521,4251,575],{"class":545},[521,4253,1165],{"class":545},[521,4255,1168],{"class":545},[521,4257,1171],{"class":545},[521,4259,625],{"class":531},[521,4261,844],{"class":545},[521,4263,542],{"class":531},[521,4265,1180],{"class":545},[521,4267,4268,4270,4272,4274,4276,4278,4280],{"class":523,"line":598},[521,4269,1185],{"class":1152},[521,4271,575],{"class":545},[521,4273,1195],{"class":545},[521,4275,1198],{"class":545},[521,4277,1201],{"class":545},[521,4279,898],{"class":705},[521,4281,1180],{"class":545},[521,4283,4284,4286,4288,4290,4292,4294,4296,4298,4300,4302,4304,4306],{"class":523,"line":638},[521,4285,1210],{"class":1152},[521,4287,575],{"class":545},[521,4289,1215],{"class":545},[521,4291,625],{"class":531},[521,4293,934],{"class":545},[521,4295,542],{"class":531},[521,4297,572],{"class":545},[521,4299,1226],{"class":545},[521,4301,625],{"class":531},[521,4303,948],{"class":545},[521,4305,542],{"class":531},[521,4307,1180],{"class":545},[510,4309,4314],{"className":4310,"code":4311,"filename":4312,"language":4313,"meta":516,"style":516},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n \"level\": \"info\",\n \"method\": \"POST\",\n \"path\": \"\u002Fapi\u002Fcheckout\",\n \"duration\": 234,\n \"user\": { \"id\": 1, \"plan\": \"pro\" },\n \"cart\": { \"items\": 3, \"total\": 9999 },\n \"payment\": { \"method\": \"card\", \"status\": \"success\" }\n}\n","Production (JSON)","json",[518,4315,4316,4320,4342,4360,4378,4393,4433,4469,4514],{"__ignoreMap":516},[521,4317,4318],{"class":523,"line":524},[521,4319,1471],{"class":531},[521,4321,4322,4325,4328,4331,4333,4336,4338,4340],{"class":523,"line":554},[521,4323,4324],{"class":531}," \"",[521,4326,4327],{"class":787},"level",[521,4329,4330],{"class":531},"\"",[521,4332,582],{"class":531},[521,4334,4335],{"class":531}," 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