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completes.",[635,636,639,642,673],"prompt",{":actions":637,"description":638,"icon":288},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my Hono app",[618,640,641],{},"Set up evlog in my Hono app.",[643,644,645,649,652,655,658,664,667,670],"ul",{},[646,647,648],"li",{},"Install evlog: pnpm add evlog",[646,650,651],{},"Call initLogger({ env: { service: 'my-api' } }) at startup",[646,653,654],{},"Alternatively, use evlog\u002Fvite plugin in vite.config.ts for auto-init (replaces initLogger)",[646,656,657],{},"Import evlog middleware and EvlogVariables type from 'evlog\u002Fhono'",[646,659,660,661],{},"Add app.use(evlog()) and type the app with Hono",[662,663],"evlog-variables",{},[646,665,666],{},"Access the logger via c.get('log') in route handlers, or useLogger() from 'evlog\u002Fhono' in nested functions",[646,668,669],{},"Use log.set() to accumulate context throughout the request",[646,671,672],{},"Optionally pass drain, enrich, include, and keep options to 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orders",[710,1445,1267],{"class":805},[710,1447,1367],{"class":801},[710,1449,1370],{"class":809},[710,1451,1001],{"class":805},[710,1453,1454],{"class":908},"findOrders",[710,1456,912],{"class":921},[710,1458,1380],{"class":809},[710,1460,952],{"class":921},[710,1462,1463,1465,1467,1469,1471,1473,1475,1477,1479,1482,1484,1486,1488,1491,1493,1496,1498,1501,1503,1506,1509,1511,1513],{"class":712,"line":990},[710,1464,1324],{"class":809},[710,1466,1001],{"class":805},[710,1468,1079],{"class":908},[710,1470,912],{"class":921},[710,1472,1084],{"class":805},[710,1474,1443],{"class":921},[710,1476,925],{"class":805},[710,1478,806],{"class":805},[710,1480,1481],{"class":921}," count",[710,1483,925],{"class":805},[710,1485,1443],{"class":809},[710,1487,1001],{"class":805},[710,1489,1490],{"class":809},"length",[710,1492,879],{"class":805},[710,1494,1495],{"class":921}," totalRevenue",[710,1497,925],{"class":805},[710,1499,1500],{"class":908}," sum",[710,1502,912],{"class":921},[710,1504,1505],{"class":809},"orders",[710,1507,1508],{"class":921},") ",[710,1510,949],{"class":805},[710,1512,813],{"class":805},[710,1514,952],{"class":921},[710,1516,1517],{"class":712,"line":995},[710,1518,902],{"emptyLinePlaceholder":901},[710,1520,1521,1523,1525,1527,1529,1531,1533,1535,1537,1539,1541],{"class":712,"line":1014},[710,1522,1106],{"class":801},[710,1524,1109],{"class":809},[710,1526,1001],{"class":805},[710,1528,1114],{"class":908},[710,1530,912],{"class":921},[710,1532,1084],{"class":805},[710,1534,1335],{"class":809},[710,1536,879],{"class":805},[710,1538,1443],{"class":809},[710,1540,813],{"class":805},[710,1542,952],{"class":921},[710,1544,1545,1547],{"class":712,"line":1019},[710,1546,949],{"class":805},[710,1548,952],{"class":809},[618,1550,1551],{},"All fields are merged into a single wide event emitted when the request completes:",[700,1553,1556],{"className":702,"code":1554,"filename":1555,"language":705,"meta":706,"style":706},"14:58:15 INFO [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n  ├─ orders: count=2 totalRevenue=6298\n  ├─ user: id=usr_123 name=Alice plan=pro\n  └─ requestId: 4a8ff3a8-...\n","Terminal output",[622,1557,1558,1569,1589,1605],{"__ignoreMap":706},[710,1559,1560,1563,1566],{"class":712,"line":713},[710,1561,1562],{"class":716},"14:58:15",[710,1564,1565],{"class":719}," INFO",[710,1567,1568],{"class":809}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[710,1570,1571,1574,1577,1580,1583,1586],{"class":712,"line":828},[710,1572,1573],{"class":716},"  ├─",[710,1575,1576],{"class":719}," orders:",[710,1578,1579],{"class":719}," count=",[710,1581,1582],{"class":1176},"2",[710,1584,1585],{"class":719}," totalRevenue=",[710,1587,1588],{"class":1176},"6298\n",[710,1590,1591,1593,1596,1599,1602],{"class":712,"line":849},[710,1592,1573],{"class":716},[710,1594,1595],{"class":719}," user:",[710,1597,1598],{"class":719}," id=usr_123",[710,1600,1601],{"class":719}," name=Alice",[710,1603,1604],{"class":719}," plan=pro\n",[710,1606,1607,1610,1613],{"class":712,"line":870},[710,1608,1609],{"class":716},"  └─",[710,1611,1612],{"class":719}," requestId:",[710,1614,1615],{"class":719}," 4a8ff3a8-...\n",[688,1617,1619],{"id":1618},"accessing-the-logger-deeper-in-the-stack","Accessing the logger deeper in the stack",[618,1621,1622,1624,1625,1627,1628,1630],{},[622,1623,628],{}," is the idiomatic accessor inside a route handler. Once you are a few\nlayers down (a service, a repository), threading ",[622,1626,1044],{}," everywhere gets noisy. ",[622,1629,632],{},"\nresolves the same request logger without it:",[700,1632,1635],{"className":791,"code":1633,"filename":1634,"language":794,"meta":706,"style":706},"import { useLogger } from 'evlog\u002Fhono'\n\nexport async function chargeCard(amount: number) {\n  const log = useLogger()\n  log.set({ payment: { amount } })\n}\n","src\u002Fservices\u002Fpayment.ts",[622,1636,1637,1656,1660,1687,1699,1727],{"__ignoreMap":706},[710,1638,1639,1641,1643,1646,1648,1650,1652,1654],{"class":712,"line":713},[710,1640,802],{"class":801},[710,1642,806],{"class":805},[710,1644,1645],{"class":809}," useLogger",[710,1647,813],{"class":805},[710,1649,816],{"class":801},[710,1651,819],{"class":805},[710,1653,624],{"class":719},[710,1655,825],{"class":805},[710,1657,1658],{"class":712,"line":828},[710,1659,902],{"emptyLinePlaceholder":901},[710,1661,1662,1665,1667,1670,1673,1675,1678,1680,1683,1685],{"class":712,"line":849},[710,1663,1664],{"class":801},"export",[710,1666,1246],{"class":963},[710,1668,1669],{"class":963}," function",[710,1671,1672],{"class":908}," chargeCard",[710,1674,912],{"class":805},[710,1676,1677],{"class":1043},"amount",[710,1679,925],{"class":805},[710,1681,1682],{"class":716}," number",[710,1684,1047],{"class":805},[710,1686,1053],{"class":805},[710,1688,1689,1691,1693,1695,1697],{"class":712,"line":870},[710,1690,1261],{"class":963},[710,1692,1264],{"class":809},[710,1694,1267],{"class":805},[710,1696,1645],{"class":908},[710,1698,987],{"class":921},[710,1700,1701,1703,1705,1707,1709,1711,1714,1716,1718,1721,1723,1725],{"class":712,"line":898},[710,1702,1324],{"class":809},[710,1704,1001],{"class":805},[710,1706,1079],{"class":908},[710,1708,912],{"class":921},[710,1710,1084],{"class":805},[710,1712,1713],{"class":921}," payment",[710,1715,925],{"class":805},[710,1717,806],{"class":805},[710,1719,1720],{"class":809}," amount",[710,1722,813],{"class":805},[710,1724,813],{"class":805},[710,1726,952],{"class":921},[710,1728,1729],{"class":712,"line":905},[710,1730,1731],{"class":805},"}\n",[618,1733,1734],{},"Both return the same logger, so pick whichever reads better at the call site.",[1183,1736,1737,1739,1740,1743,1744,1747,1748,1751,1752,1755,1756,1758],{"color":1185,"icon":13},[622,1738,632],{}," is backed by ",[622,1741,1742],{},"AsyncLocalStorage",". On Cloudflare Workers this requires the\n",[622,1745,1746],{},"nodejs_compat"," (or ",[622,1749,1750],{},"nodejs_als",") compatibility flag in ",[622,1753,1754],{},"wrangler.toml",". ",[622,1757,628],{},"\nworks with or without it, so deployments that cannot enable the flag keep using it.",[692,1760,1762],{"id":1761},"background-work","Background work",[618,1764,1765,1770,1771,925],{},[1187,1766,1767],{},[622,1768,1769],{},"log.fork()"," runs work under a forked logger that emits its own wide event, correlated\nto the request via ",[622,1772,1773],{},"_parentRequestId",[700,1775,1777],{"className":791,"code":1776,"filename":793,"language":794,"meta":706,"style":706},"app.post('\u002Fapi\u002Forders', (c) => {\n  c.get('log').fork('send-receipt', async () => {\n    await sendReceipt()\n    useLogger().set({ email: { sent: true } })\n  })\n  return c.json({ ok: true })\n})\n",[622,1778,1779,1809,1852,1862,1898,1905,1929],{"__ignoreMap":706},[710,1780,1781,1783,1785,1788,1790,1792,1795,1797,1799,1801,1803,1805,1807],{"class":712,"line":713},[710,1782,998],{"class":809},[710,1784,1001],{"class":805},[710,1786,1787],{"class":908},"post",[710,1789,912],{"class":809},[710,1791,940],{"class":805},[710,1793,1794],{"class":719},"\u002Fapi\u002Forders",[710,1796,940],{"class":805},[710,1798,879],{"class":805},[710,1800,1040],{"class":805},[710,1802,1044],{"class":1043},[710,1804,1047],{"class":805},[710,1806,1050],{"class":963},[710,1808,1053],{"class":805},[710,1810,1811,1813,1815,1817,1819,1821,1823,1825,1827,1829,1832,1834,1836,1839,1841,1843,1845,1848,1850],{"class":712,"line":828},[710,1812,1059],{"class":809},[710,1814,1001],{"class":805},[710,1816,1026],{"class":908},[710,1818,912],{"class":921},[710,1820,940],{"class":805},[710,1822,1070],{"class":719},[710,1824,940],{"class":805},[710,1826,1047],{"class":921},[710,1828,1001],{"class":805},[710,1830,1831],{"class":908},"fork",[710,1833,912],{"class":921},[710,1835,940],{"class":805},[710,1837,1838],{"class":719},"send-receipt",[710,1840,940],{"class":805},[710,1842,879],{"class":805},[710,1844,1246],{"class":963},[710,1846,1847],{"class":805}," ()",[710,1849,1050],{"class":963},[710,1851,1053],{"class":805},[710,1853,1854,1857,1860],{"class":712,"line":849},[710,1855,1856],{"class":801},"    await",[710,1858,1859],{"class":908}," sendReceipt",[710,1861,987],{"class":921},[710,1863,1864,1867,1870,1872,1874,1876,1878,1881,1883,1885,1888,1890,1892,1894,1896],{"class":712,"line":870},[710,1865,1866],{"class":908},"    useLogger",[710,1868,1869],{"class":921},"()",[710,1871,1001],{"class":805},[710,1873,1079],{"class":908},[710,1875,912],{"class":921},[710,1877,1084],{"class":805},[710,1879,1880],{"class":921}," email",[710,1882,925],{"class":805},[710,1884,806],{"class":805},[710,1886,1887],{"class":921}," sent",[710,1889,925],{"class":805},[710,1891,1127],{"class":1126},[710,1893,813],{"class":805},[710,1895,813],{"class":805},[710,1897,952],{"class":921},[710,1899,1900,1903],{"class":712,"line":898},[710,1901,1902],{"class":805},"  }",[710,1904,952],{"class":921},[710,1906,1907,1909,1911,1913,1915,1917,1919,1921,1923,1925,1927],{"class":712,"line":905},[710,1908,1106],{"class":801},[710,1910,1109],{"class":809},[710,1912,1001],{"class":805},[710,1914,1114],{"class":908},[710,1916,912],{"class":921},[710,1918,1084],{"class":805},[710,1920,1121],{"class":921},[710,1922,925],{"class":805},[710,1924,1127],{"class":1126},[710,1926,813],{"class":805},[710,1928,952],{"class":921},[710,1930,1931,1933],{"class":712,"line":918},[710,1932,949],{"class":805},[710,1934,952],{"class":809},[618,1936,1937,1938,1944,1945,1948,1949,1953],{},"If you schedule async work after the response without forking, post-emit ",[1187,1939,1940,1943],{},[622,1941,1942],{},"[evlog]"," warnings","\nhelp you notice stale ",[622,1946,1947],{},"set()"," calls. See ",[677,1950,1952],{"href":1951},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[688,1955,1957],{"id":1956},"error-handling","Error Handling",[618,1959,1960,1961,1964,1965,1968,1969,1972,1973,1976],{},"Use ",[622,1962,1963],{},"createError"," for structured errors with ",[622,1966,1967],{},"why",", ",[622,1970,1971],{},"fix",", and ",[622,1974,1975],{},"link"," fields:",[700,1978,1980],{"className":791,"code":1979,"filename":793,"language":794,"meta":706,"style":706},"import { createError, parseError } from 'evlog'\n\napp.get('\u002Fcheckout', (c) => {\n  const log = c.get('log')\n  log.set({ cart: { items: 3, total: 9999 } })\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",[622,1981,1982,2006,2010,2039,2063,2106,2110,2121,2138,2150,2166,2182,2198,2204],{"__ignoreMap":706},[710,1983,1984,1986,1988,1991,1993,1996,1998,2000,2002,2004],{"class":712,"line":713},[710,1985,802],{"class":801},[710,1987,806],{"class":805},[710,1989,1990],{"class":809}," createError",[710,1992,879],{"class":805},[710,1994,1995],{"class":809}," parseError",[710,1997,813],{"class":805},[710,1999,816],{"class":801},[710,2001,819],{"class":805},[710,2003,865],{"class":719},[710,2005,825],{"class":805},[710,2007,2008],{"class":712,"line":828},[710,2009,902],{"emptyLinePlaceholder":901},[710,2011,2012,2014,2016,2018,2020,2022,2025,2027,2029,2031,2033,2035,2037],{"class":712,"line":849},[710,2013,998],{"class":809},[710,2015,1001],{"class":805},[710,2017,1026],{"class":908},[710,2019,912],{"class":809},[710,2021,940],{"class":805},[710,2023,2024],{"class":719},"\u002Fcheckout",[710,2026,940],{"class":805},[710,2028,879],{"class":805},[710,2030,1040],{"class":805},[710,2032,1044],{"class":1043},[710,2034,1047],{"class":805},[710,2036,1050],{"class":963},[710,2038,1053],{"class":805},[710,2040,2041,2043,2045,2047,2049,2051,2053,2055,2057,2059,2061],{"class":712,"line":870},[710,2042,1261],{"class":963},[710,2044,1264],{"class":809},[710,2046,1267],{"class":805},[710,2048,1109],{"class":809},[710,2050,1001],{"class":805},[710,2052,1026],{"class":908},[710,2054,912],{"class":921},[710,2056,940],{"class":805},[710,2058,1070],{"class":719},[710,2060,940],{"class":805},[710,2062,952],{"class":921},[710,2064,2065,2067,2069,2071,2073,2075,2078,2080,2082,2085,2087,2090,2092,2095,2097,2100,2102,2104],{"class":712,"line":898},[710,2066,1324],{"class":809},[710,2068,1001],{"class":805},[710,2070,1079],{"class":908},[710,2072,912],{"class":921},[710,2074,1084],{"class":805},[710,2076,2077],{"class":921}," cart",[710,2079,925],{"class":805},[710,2081,806],{"class":805},[710,2083,2084],{"class":921}," items",[710,2086,925],{"class":805},[710,2088,2089],{"class":1176}," 3",[710,2091,879],{"class":805},[710,2093,2094],{"class":921}," total",[710,2096,925],{"class":805},[710,2098,2099],{"class":1176}," 9999",[710,2101,813],{"class":805},[710,2103,813],{"class":805},[710,2105,952],{"class":921},[710,2107,2108],{"class":712,"line":905},[710,2109,902],{"emptyLinePlaceholder":901},[710,2111,2112,2115,2117,2119],{"class":712,"line":918},[710,2113,2114],{"class":801},"  throw",[710,2116,1990],{"class":908},[710,2118,912],{"class":921},[710,2120,915],{"class":805},[710,2122,2123,2126,2128,2130,2133,2135],{"class":712,"line":946},[710,2124,2125],{"class":921},"    message",[710,2127,925],{"class":805},[710,2129,819],{"class":805},[710,2131,2132],{"class":719},"Payment failed",[710,2134,940],{"class":805},[710,2136,2137],{"class":805},",\n",[710,2139,2140,2143,2145,2148],{"class":712,"line":955},[710,2141,2142],{"class":921},"    status",[710,2144,925],{"class":805},[710,2146,2147],{"class":1176}," 402",[710,2149,2137],{"class":805},[710,2151,2152,2155,2157,2159,2162,2164],{"class":712,"line":960},[710,2153,2154],{"class":921},"    why",[710,2156,925],{"class":805},[710,2158,819],{"class":805},[710,2160,2161],{"class":719},"Card declined by issuer",[710,2163,940],{"class":805},[710,2165,2137],{"class":805},[710,2167,2168,2171,2173,2175,2178,2180],{"class":712,"line":990},[710,2169,2170],{"class":921},"    fix",[710,2172,925],{"class":805},[710,2174,819],{"class":805},[710,2176,2177],{"class":719},"Try a different payment method",[710,2179,940],{"class":805},[710,2181,2137],{"class":805},[710,2183,2184,2187,2189,2191,2194,2196],{"class":712,"line":995},[710,2185,2186],{"class":921},"    link",[710,2188,925],{"class":805},[710,2190,819],{"class":805},[710,2192,2193],{"class":719},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[710,2195,940],{"class":805},[710,2197,2137],{"class":805},[710,2199,2200,2202],{"class":712,"line":1014},[710,2201,1902],{"class":805},[710,2203,952],{"class":921},[710,2205,2206,2208],{"class":712,"line":1019},[710,2207,949],{"class":805},[710,2209,952],{"class":809},[618,2211,2212,2213,2216],{},"Handle errors globally with ",[622,2214,2215],{},"app.onError"," to return structured JSON responses:",[700,2218,2220],{"className":791,"code":2219,"filename":793,"language":794,"meta":706,"style":706},"import type { ContentfulStatusCode } from 'hono\u002Futils\u002Fhttp-status'\n\napp.onError((error, c) => {\n  c.get('log').error(error)\n  const parsed = parseError(error)\n\n  return c.json(\n    {\n      message: parsed.message,\n      why: parsed.why,\n      fix: parsed.fix,\n      link: parsed.link,\n    },\n    parsed.status as ContentfulStatusCode,\n  )\n})\n",[622,2221,2222,2244,2248,2274,2302,2319,2323,2336,2341,2357,2372,2387,2402,2407,2424,2429],{"__ignoreMap":706},[710,2223,2224,2226,2228,2230,2233,2235,2237,2239,2242],{"class":712,"line":713},[710,2225,802],{"class":801},[710,2227,882],{"class":801},[710,2229,806],{"class":805},[710,2231,2232],{"class":809}," ContentfulStatusCode",[710,2234,813],{"class":805},[710,2236,816],{"class":801},[710,2238,819],{"class":805},[710,2240,2241],{"class":719},"hono\u002Futils\u002Fhttp-status",[710,2243,825],{"class":805},[710,2245,2246],{"class":712,"line":828},[710,2247,902],{"emptyLinePlaceholder":901},[710,2249,2250,2252,2254,2257,2259,2261,2264,2266,2268,2270,2272],{"class":712,"line":849},[710,2251,998],{"class":809},[710,2253,1001],{"class":805},[710,2255,2256],{"class":908},"onError",[710,2258,912],{"class":809},[710,2260,912],{"class":805},[710,2262,2263],{"class":1043},"error",[710,2265,879],{"class":805},[710,2267,1109],{"class":1043},[710,2269,1047],{"class":805},[710,2271,1050],{"class":963},[710,2273,1053],{"class":805},[710,2275,2276,2278,2280,2282,2284,2286,2288,2290,2292,2294,2296,2298,2300],{"class":712,"line":870},[710,2277,1059],{"class":809},[710,2279,1001],{"class":805},[710,2281,1026],{"class":908},[710,2283,912],{"class":921},[710,2285,940],{"class":805},[710,2287,1070],{"class":719},[710,2289,940],{"class":805},[710,2291,1047],{"class":921},[710,2293,1001],{"class":805},[710,2295,2263],{"class":908},[710,2297,912],{"class":921},[710,2299,2263],{"class":809},[710,2301,952],{"class":921},[710,2303,2304,2306,2309,2311,2313,2315,2317],{"class":712,"line":898},[710,2305,1261],{"class":963},[710,2307,2308],{"class":809}," parsed",[710,2310,1267],{"class":805},[710,2312,1995],{"class":908},[710,2314,912],{"class":921},[710,2316,2263],{"class":809},[710,2318,952],{"class":921},[710,2320,2321],{"class":712,"line":905},[710,2322,902],{"emptyLinePlaceholder":901},[710,2324,2325,2327,2329,2331,2333],{"class":712,"line":918},[710,2326,1106],{"class":801},[710,2328,1109],{"class":809},[710,2330,1001],{"class":805},[710,2332,1114],{"class":908},[710,2334,2335],{"class":921},"(\n",[710,2337,2338],{"class":712,"line":946},[710,2339,2340],{"class":805},"    {\n",[710,2342,2343,2346,2348,2350,2352,2355],{"class":712,"line":955},[710,2344,2345],{"class":921},"      message",[710,2347,925],{"class":805},[710,2349,2308],{"class":809},[710,2351,1001],{"class":805},[710,2353,2354],{"class":809},"message",[710,2356,2137],{"class":805},[710,2358,2359,2362,2364,2366,2368,2370],{"class":712,"line":960},[710,2360,2361],{"class":921},"      why",[710,2363,925],{"class":805},[710,2365,2308],{"class":809},[710,2367,1001],{"class":805},[710,2369,1967],{"class":809},[710,2371,2137],{"class":805},[710,2373,2374,2377,2379,2381,2383,2385],{"class":712,"line":990},[710,2375,2376],{"class":921},"      fix",[710,2378,925],{"class":805},[710,2380,2308],{"class":809},[710,2382,1001],{"class":805},[710,2384,1971],{"class":809},[710,2386,2137],{"class":805},[710,2388,2389,2392,2394,2396,2398,2400],{"class":712,"line":995},[710,2390,2391],{"class":921},"      link",[710,2393,925],{"class":805},[710,2395,2308],{"class":809},[710,2397,1001],{"class":805},[710,2399,1975],{"class":809},[710,2401,2137],{"class":805},[710,2403,2404],{"class":712,"line":1014},[710,2405,2406],{"class":805},"    },\n",[710,2408,2409,2412,2414,2417,2420,2422],{"class":712,"line":1019},[710,2410,2411],{"class":809},"    parsed",[710,2413,1001],{"class":805},[710,2415,2416],{"class":809},"status",[710,2418,2419],{"class":801}," as",[710,2421,2232],{"class":716},[710,2423,2137],{"class":805},[710,2425,2426],{"class":712,"line":1056},[710,2427,2428],{"class":921},"  )\n",[710,2430,2431,2433],{"class":712,"line":1103},[710,2432,949],{"class":805},[710,2434,952],{"class":809},[618,2436,2437,2440,2441,2443,2444,2447,2448,2451,2452,2455],{},[622,2438,2439],{},"parseError()"," types ",[622,2442,2416],{}," as a ",[622,2445,2446],{},"number",", while Hono’s ",[622,2449,2450],{},"c.json()"," second argument expects ",[622,2453,2454],{},"ContentfulStatusCode",". The cast matches what you already return at runtime and satisfies TypeScript.",[618,2457,2458],{},"The error is captured and logged with both the custom context and structured error fields:",[700,2460,2462],{"className":702,"code":2461,"filename":1555,"language":705,"meta":706,"style":706},"14:58:20 ERROR [my-api] GET \u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  ├─ cart: items=3 total=9999\n  └─ requestId: 880a50ac-...\n",[622,2463,2464,2475,2497,2516],{"__ignoreMap":706},[710,2465,2466,2469,2472],{"class":712,"line":713},[710,2467,2468],{"class":716},"14:58:20",[710,2470,2471],{"class":719}," ERROR",[710,2473,2474],{"class":809}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[710,2476,2477,2479,2482,2485,2488,2491,2494],{"class":712,"line":828},[710,2478,1573],{"class":716},[710,2480,2481],{"class":719}," error:",[710,2483,2484],{"class":719}," name=EvlogError",[710,2486,2487],{"class":719}," message=Payment",[710,2489,2490],{"class":719}," failed",[710,2492,2493],{"class":719}," status=",[710,2495,2496],{"class":1176},"402\n",[710,2498,2499,2501,2504,2507,2510,2513],{"class":712,"line":849},[710,2500,1573],{"class":716},[710,2502,2503],{"class":719}," cart:",[710,2505,2506],{"class":719}," items=",[710,2508,2509],{"class":1176},"3",[710,2511,2512],{"class":719}," total=",[710,2514,2515],{"class":1176},"9999\n",[710,2517,2518,2520,2522],{"class":712,"line":870},[710,2519,1609],{"class":716},[710,2521,1612],{"class":719},[710,2523,2524],{"class":719}," 880a50ac-...\n",[688,2526,557],{"id":2527},"configuration",[618,2529,2530,2531,2534,2535,2537],{},"See the ",[677,2532,2533],{"href":558},"Configuration reference"," for all available options (",[622,2536,909],{},", middleware options, sampling, silent mode, etc.).",[692,2539,2541],{"id":2540},"keep-the-options-in-evlogconfigts","Keep the options in evlog.config.ts",[618,2543,2544,2545,2550,2551,2553],{},"The options can live in an ",[677,2546,2547],{"href":105},[622,2548,2549],{},"evlog.config.ts"," at the root of the app, the file the CLI reads too. Import it where you call ",[622,2552,909],{}," and where you register the middleware:",[700,2555,2557],{"className":791,"code":2556,"filename":793,"language":794,"meta":706,"style":706},"import { Hono } from 'hono'\nimport { initLogger, toLoggerConfig, toMiddlewareOptions } from 'evlog'\nimport { evlog, type EvlogVariables } from 'evlog\u002Fhono'\nimport config from '..\u002Fevlog.config'\n\ninitLogger(toLoggerConfig(config))\n\nconst app = new Hono\u003CEvlogVariables>()\napp.use(evlog(toMiddlewareOptions(config)))\n",[622,2558,2559,2577,2605,2629,2646,2650,2662,2666,2686],{"__ignoreMap":706},[710,2560,2561,2563,2565,2567,2569,2571,2573,2575],{"class":712,"line":713},[710,2562,802],{"class":801},[710,2564,806],{"class":805},[710,2566,835],{"class":809},[710,2568,813],{"class":805},[710,2570,816],{"class":801},[710,2572,819],{"class":805},[710,2574,844],{"class":719},[710,2576,825],{"class":805},[710,2578,2579,2581,2583,2585,2587,2590,2592,2595,2597,2599,2601,2603],{"class":712,"line":828},[710,2580,802],{"class":801},[710,2582,806],{"class":805},[710,2584,856],{"class":809},[710,2586,879],{"class":805},[710,2588,2589],{"class":809}," toLoggerConfig",[710,2591,879],{"class":805},[710,2593,2594],{"class":809}," toMiddlewareOptions",[710,2596,813],{"class":805},[710,2598,816],{"class":801},[710,2600,819],{"class":805},[710,2602,865],{"class":719},[710,2604,825],{"class":805},[710,2606,2607,2609,2611,2613,2615,2617,2619,2621,2623,2625,2627],{"class":712,"line":849},[710,2608,802],{"class":801},[710,2610,806],{"class":805},[710,2612,723],{"class":809},[710,2614,879],{"class":805},[710,2616,882],{"class":801},[710,2618,885],{"class":809},[710,2620,813],{"class":805},[710,2622,816],{"class":801},[710,2624,819],{"class":805},[710,2626,624],{"class":719},[710,2628,825],{"class":805},[710,2630,2631,2633,2636,2639,2641,2644],{"class":712,"line":870},[710,2632,802],{"class":801},[710,2634,2635],{"class":809}," config ",[710,2637,2638],{"class":801},"from",[710,2640,819],{"class":805},[710,2642,2643],{"class":719},"..\u002Fevlog.config",[710,2645,825],{"class":805},[710,2647,2648],{"class":712,"line":898},[710,2649,902],{"emptyLinePlaceholder":901},[710,2651,2652,2654,2656,2659],{"class":712,"line":905},[710,2653,909],{"class":908},[710,2655,912],{"class":809},[710,2657,2658],{"class":908},"toLoggerConfig",[710,2660,2661],{"class":809},"(config))\n",[710,2663,2664],{"class":712,"line":918},[710,2665,902],{"emptyLinePlaceholder":901},[710,2667,2668,2670,2672,2674,2676,2678,2680,2682,2684],{"class":712,"line":946},[710,2669,964],{"class":963},[710,2671,967],{"class":809},[710,2673,970],{"class":805},[710,2675,973],{"class":805},[710,2677,835],{"class":908},[710,2679,978],{"class":805},[710,2681,981],{"class":716},[710,2683,984],{"class":805},[710,2685,987],{"class":809},[710,2687,2688,2690,2692,2694,2696,2698,2700,2703],{"class":712,"line":955},[710,2689,998],{"class":809},[710,2691,1001],{"class":805},[710,2693,1004],{"class":908},[710,2695,912],{"class":809},[710,2697,865],{"class":908},[710,2699,912],{"class":809},[710,2701,2702],{"class":908},"toMiddlewareOptions",[710,2704,2705],{"class":809},"(config)))\n",[618,2707,2708,2710,2711,2713,2714,2716,2717,2720,2721,2724,2725,2731],{},[622,2709,2658],{}," keeps the options ",[622,2712,909],{}," takes and ",[622,2715,2702],{}," the ones ",[622,2718,2719],{},"evlog()"," takes, so the sampling, drain, ",[622,2722,2723],{},"enrich"," and route filters of the file all apply. ",[677,2726,2728],{"href":2727},"\u002Fcli\u002Finit#per-framework",[622,2729,2730],{},"evlog init"," writes this wiring for you.",[688,2733,2735],{"id":2734},"drain-enrichers","Drain & Enrichers",[618,2737,2738],{},"Configure drain adapters and enrichers directly in the middleware options:",[700,2740,2742],{"className":791,"code":2741,"filename":793,"language":794,"meta":706,"style":706},"import { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\n\nconst userAgent = createUserAgentEnricher()\n\napp.use(evlog({\n  drain: createAxiomDrain(),\n  enrich: (ctx) => {\n    userAgent(ctx)\n    ctx.event.region = process.env.FLY_REGION\n  },\n}))\n",[622,2743,2744,2764,2784,2788,2801,2805,2821,2834,2852,2863,2893,2898],{"__ignoreMap":706},[710,2745,2746,2748,2750,2753,2755,2757,2759,2762],{"class":712,"line":713},[710,2747,802],{"class":801},[710,2749,806],{"class":805},[710,2751,2752],{"class":809}," createAxiomDrain",[710,2754,813],{"class":805},[710,2756,816],{"class":801},[710,2758,819],{"class":805},[710,2760,2761],{"class":719},"evlog\u002Faxiom",[710,2763,825],{"class":805},[710,2765,2766,2768,2770,2773,2775,2777,2779,2782],{"class":712,"line":828},[710,2767,802],{"class":801},[710,2769,806],{"class":805},[710,2771,2772],{"class":809}," createUserAgentEnricher",[710,2774,813],{"class":805},[710,2776,816],{"class":801},[710,2778,819],{"class":805},[710,2780,2781],{"class":719},"evlog\u002Fenrichers",[710,2783,825],{"class":805},[710,2785,2786],{"class":712,"line":849},[710,2787,902],{"emptyLinePlaceholder":901},[710,2789,2790,2792,2795,2797,2799],{"class":712,"line":870},[710,2791,964],{"class":963},[710,2793,2794],{"class":809}," userAgent ",[710,2796,970],{"class":805},[710,2798,2772],{"class":908},[710,2800,987],{"class":809},[710,2802,2803],{"class":712,"line":898},[710,2804,902],{"emptyLinePlaceholder":901},[710,2806,2807,2809,2811,2813,2815,2817,2819],{"class":712,"line":905},[710,2808,998],{"class":809},[710,2810,1001],{"class":805},[710,2812,1004],{"class":908},[710,2814,912],{"class":809},[710,2816,865],{"class":908},[710,2818,912],{"class":809},[710,2820,915],{"class":805},[710,2822,2823,2826,2828,2830,2832],{"class":712,"line":918},[710,2824,2825],{"class":921},"  drain",[710,2827,925],{"class":805},[710,2829,2752],{"class":908},[710,2831,1869],{"class":809},[710,2833,2137],{"class":805},[710,2835,2836,2839,2841,2843,2846,2848,2850],{"class":712,"line":946},[710,2837,2838],{"class":908},"  enrich",[710,2840,925],{"class":805},[710,2842,1040],{"class":805},[710,2844,2845],{"class":1043},"ctx",[710,2847,1047],{"class":805},[710,2849,1050],{"class":963},[710,2851,1053],{"class":805},[710,2853,2854,2857,2859,2861],{"class":712,"line":955},[710,2855,2856],{"class":908},"    userAgent",[710,2858,912],{"class":921},[710,2860,2845],{"class":809},[710,2862,952],{"class":921},[710,2864,2865,2868,2870,2873,2875,2878,2880,2883,2885,2888,2890],{"class":712,"line":960},[710,2866,2867],{"class":809},"    ctx",[710,2869,1001],{"class":805},[710,2871,2872],{"class":809},"event",[710,2874,1001],{"class":805},[710,2876,2877],{"class":809},"region",[710,2879,1267],{"class":805},[710,2881,2882],{"class":809}," process",[710,2884,1001],{"class":805},[710,2886,2887],{"class":809},"env",[710,2889,1001],{"class":805},[710,2891,2892],{"class":809},"FLY_REGION\n",[710,2894,2895],{"class":712,"line":990},[710,2896,2897],{"class":805},"  },\n",[710,2899,2900,2902],{"class":712,"line":995},[710,2901,949],{"class":805},[710,2903,2904],{"class":809},"))\n",[692,2906,2908],{"id":2907},"pipeline-batching-retry","Pipeline (Batching & Retry)",[618,2910,2911,2912,2915],{},"For production, wrap your adapter with ",[622,2913,2914],{},"createDrainPipeline"," to batch events and retry on failure:",[700,2917,2919],{"className":791,"code":2918,"filename":793,"language":794,"meta":706,"style":706},"import type { DrainContext } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createDrainPipeline } from 'evlog\u002Fpipeline'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 50, intervalMs: 5000 },\n  retry: { maxAttempts: 3 },\n})\nconst drain = pipeline(createAxiomDrain())\n\napp.use(evlog({ drain }))\n",[622,2920,2921,2942,2960,2980,2984,3006,3035,3053,3059,3078,3082],{"__ignoreMap":706},[710,2922,2923,2925,2927,2929,2932,2934,2936,2938,2940],{"class":712,"line":713},[710,2924,802],{"class":801},[710,2926,882],{"class":801},[710,2928,806],{"class":805},[710,2930,2931],{"class":809}," DrainContext",[710,2933,813],{"class":805},[710,2935,816],{"class":801},[710,2937,819],{"class":805},[710,2939,865],{"class":719},[710,2941,825],{"class":805},[710,2943,2944,2946,2948,2950,2952,2954,2956,2958],{"class":712,"line":828},[710,2945,802],{"class":801},[710,2947,806],{"class":805},[710,2949,2752],{"class":809},[710,2951,813],{"class":805},[710,2953,816],{"class":801},[710,2955,819],{"class":805},[710,2957,2761],{"class":719},[710,2959,825],{"class":805},[710,2961,2962,2964,2966,2969,2971,2973,2975,2978],{"class":712,"line":849},[710,2963,802],{"class":801},[710,2965,806],{"class":805},[710,2967,2968],{"class":809}," createDrainPipeline",[710,2970,813],{"class":805},[710,2972,816],{"class":801},[710,2974,819],{"class":805},[710,2976,2977],{"class":719},"evlog\u002Fpipeline",[710,2979,825],{"class":805},[710,2981,2982],{"class":712,"line":870},[710,2983,902],{"emptyLinePlaceholder":901},[710,2985,2986,2988,2991,2993,2995,2997,3000,3002,3004],{"class":712,"line":898},[710,2987,964],{"class":963},[710,2989,2990],{"class":809}," pipeline ",[710,2992,970],{"class":805},[710,2994,2968],{"class":908},[710,2996,978],{"class":805},[710,2998,2999],{"class":716},"DrainContext",[710,3001,984],{"class":805},[710,3003,912],{"class":809},[710,3005,915],{"class":805},[710,3007,3008,3011,3013,3015,3018,3020,3023,3025,3028,3030,3033],{"class":712,"line":905},[710,3009,3010],{"class":921},"  batch",[710,3012,925],{"class":805},[710,3014,806],{"class":805},[710,3016,3017],{"class":921}," size",[710,3019,925],{"class":805},[710,3021,3022],{"class":1176}," 50",[710,3024,879],{"class":805},[710,3026,3027],{"class":921}," intervalMs",[710,3029,925],{"class":805},[710,3031,3032],{"class":1176}," 5000",[710,3034,943],{"class":805},[710,3036,3037,3040,3042,3044,3047,3049,3051],{"class":712,"line":918},[710,3038,3039],{"class":921},"  retry",[710,3041,925],{"class":805},[710,3043,806],{"class":805},[710,3045,3046],{"class":921}," maxAttempts",[710,3048,925],{"class":805},[710,3050,2089],{"class":1176},[710,3052,943],{"class":805},[710,3054,3055,3057],{"class":712,"line":946},[710,3056,949],{"class":805},[710,3058,952],{"class":809},[710,3060,3061,3063,3066,3068,3071,3073,3076],{"class":712,"line":955},[710,3062,964],{"class":963},[710,3064,3065],{"class":809}," drain ",[710,3067,970],{"class":805},[710,3069,3070],{"class":908}," pipeline",[710,3072,912],{"class":809},[710,3074,3075],{"class":908},"createAxiomDrain",[710,3077,1011],{"class":809},[710,3079,3080],{"class":712,"line":960},[710,3081,902],{"emptyLinePlaceholder":901},[710,3083,3084,3086,3088,3090,3092,3094,3096,3098,3100,3102],{"class":712,"line":990},[710,3085,998],{"class":809},[710,3087,1001],{"class":805},[710,3089,1004],{"class":908},[710,3091,912],{"class":809},[710,3093,865],{"class":908},[710,3095,912],{"class":809},[710,3097,1084],{"class":805},[710,3099,3065],{"class":809},[710,3101,949],{"class":805},[710,3103,2904],{"class":809},[1183,3105,3106,3107,3110,3111,3114],{"color":1185,"icon":13},"Call ",[622,3108,3109],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[677,3112,3113],{"href":545},"Pipeline docs"," for all options.",[688,3116,3118],{"id":3117},"tail-sampling","Tail Sampling",[618,3120,1960,3121,3124],{},[622,3122,3123],{},"keep"," to force-retain specific events regardless of head sampling:",[700,3126,3128],{"className":791,"code":3127,"filename":793,"language":794,"meta":706,"style":706},"app.use(evlog({\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  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'",[710,3330,3331],{"class":921},"\u002Fapi\u002Fauth\u002F**",[710,3333,940],{"class":805},[710,3335,925],{"class":805},[710,3337,806],{"class":805},[710,3339,930],{"class":921},[710,3341,925],{"class":805},[710,3343,819],{"class":805},[710,3345,3346],{"class":719},"auth-service",[710,3348,940],{"class":805},[710,3350,943],{"class":805},[710,3352,3353,3355,3358,3360,3362,3364,3366,3368,3370,3373,3375],{"class":712,"line":905},[710,3354,3328],{"class":805},[710,3356,3357],{"class":921},"\u002Fapi\u002Fpayment\u002F**",[710,3359,940],{"class":805},[710,3361,925],{"class":805},[710,3363,806],{"class":805},[710,3365,930],{"class":921},[710,3367,925],{"class":805},[710,3369,819],{"class":805},[710,3371,3372],{"class":719},"payment-service",[710,3374,940],{"class":805},[710,3376,943],{"class":805},[710,3378,3379],{"class":712,"line":918},[710,3380,2897],{"class":805},[710,3382,3383,3385],{"class":712,"line":946},[710,3384,949],{"class":805},[710,3386,2904],{"class":809},[688,3388,3390],{"id":3389},"client-side-logging","Client-Side 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This works with any client framework (React, Vue, Svelte, vanilla JS).",[692,3398,3400],{"id":3399},"browser-setup","Browser setup",[700,3402,3405],{"className":791,"code":3403,"filename":3404,"language":794,"meta":706,"style":706},"import { initLogger, log } from 'evlog'\nimport { createHttpLogDrain } from 'evlog\u002Fhttp'\n\nconst drain = createHttpLogDrain({\n  drain: { endpoint: '\u002Fv1\u002Fingest' },\n})\ninitLogger({ drain })\n\nlog.info({ action: 'page_view', path: location.pathname 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https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog.git\n",[710,3778,3779,3782],{"class":712,"line":828},[710,3780,3781],{"class":908},"cd",[710,3783,3784],{"class":719}," evlog\n",[710,3786,3787,3789],{"class":712,"line":849},[710,3788,704],{"class":716},[710,3790,3791],{"class":719}," install\n",[710,3793,3794,3796,3799],{"class":712,"line":870},[710,3795,704],{"class":716},[710,3797,3798],{"class":719}," example",[710,3800,3801],{"class":719}," hono\n",[618,3803,3804,3805,3809],{},"Open ",[677,3806,3807],{"href":3807,"rel":3808},"http:\u002F\u002Flocalhost:3000",[681]," to explore the interactive test UI.",[3811,3812,3813],"card-group",{},[3814,3815,3819],"card",{"icon":3816,"title":3817,"to":3818},"i-simple-icons-github","Source Code","https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Ftree\u002Fmain\u002Fexamples\u002Fhono","Browse the complete Hono example source on GitHub.",[688,3821,3823],{"id":3822},"next-steps","Next Steps",[618,3825,3826,3827,3829],{},"Deepen your ",[1187,3828,285],{}," integration:",[643,3831,3832,3837,3842,3847],{},[646,3833,3834,3836],{},[677,3835,51],{"href":52},": Design comprehensive events with context layering",[646,3838,3839,3841],{},[677,3840,158],{"href":163},": Send logs to Axiom, Sentry, PostHog, and more",[646,3843,3844,3846],{},[677,3845,66],{"href":67},": Control log volume with head and tail sampling",[646,3848,3849,3851,3852,1968,3854,1972,3856,3858],{},[677,3850,56],{"href":57},": Throw errors with ",[622,3853,1967],{},[622,3855,1971],{},[622,3857,1975],{}," fields",[3860,3861,3862],"style",{},"html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: 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