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",[586,595,596],{},"useLogger()"," anywhere deeper in the call stack, and emits a wide event when the response completes.",[599,600,603,606,637],"prompt",{":actions":601,"description":602,"icon":278},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my Hono app",[582,604,605],{},"Set up evlog in my Hono app.",[607,608,609,613,616,619,622,628,631,634],"ul",{},[610,611,612],"li",{},"Install evlog: pnpm add evlog",[610,614,615],{},"Call initLogger({ env: { service: 'my-api' } }) at startup",[610,617,618],{},"Alternatively, use evlog\u002Fvite plugin in vite.config.ts for auto-init (replaces initLogger)",[610,620,621],{},"Import evlog middleware and EvlogVariables type from 'evlog\u002Fhono'",[610,623,624,625],{},"Add app.use(evlog()) and type the app with Hono",[626,627],"evlog-variables",{},[610,629,630],{},"Access the logger via c.get('log') in route handlers, or useLogger() from 'evlog\u002Fhono' in nested functions",[610,632,633],{},"Use log.set() to accumulate context throughout the request",[610,635,636],{},"Optionally pass drain, enrich, include, and keep options to evlog()",[582,638,639,640,646,647],{},"Docs: ",[641,642,643],"a",{"href":643,"rel":644},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Fhono",[645],"nofollow","\nAdapters: ",[641,648,649],{"href":649,"rel":650},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[645],[652,653,25],"h2",{"id":654},"quick-start",[656,657,659],"h3",{"id":658},"_1-install","1. Install",[661,662,663,694,712,730],"code-group",{},[664,665,671],"pre",{"className":666,"code":667,"filename":668,"language":669,"meta":670,"style":670},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog hono @hono\u002Fnode-server\n","pnpm","bash","",[586,672,673],{"__ignoreMap":670},[674,675,678,681,685,688,691],"span",{"class":676,"line":677},"line",1,[674,679,668],{"class":680},"sBMFI",[674,682,684],{"class":683},"sfazB"," add",[674,686,687],{"class":683}," evlog",[674,689,690],{"class":683}," hono",[674,692,693],{"class":683}," @hono\u002Fnode-server\n",[664,695,698],{"className":666,"code":696,"filename":697,"language":669,"meta":670,"style":670},"bun add evlog hono @hono\u002Fnode-server\n","bun",[586,699,700],{"__ignoreMap":670},[674,701,702,704,706,708,710],{"class":676,"line":677},[674,703,697],{"class":680},[674,705,684],{"class":683},[674,707,687],{"class":683},[674,709,690],{"class":683},[674,711,693],{"class":683},[664,713,716],{"className":666,"code":714,"filename":715,"language":669,"meta":670,"style":670},"yarn add evlog hono @hono\u002Fnode-server\n","yarn",[586,717,718],{"__ignoreMap":670},[674,719,720,722,724,726,728],{"class":676,"line":677},[674,721,715],{"class":680},[674,723,684],{"class":683},[674,725,687],{"class":683},[674,727,690],{"class":683},[674,729,693],{"class":683},[664,731,734],{"className":666,"code":732,"filename":733,"language":669,"meta":670,"style":670},"npm install evlog hono @hono\u002Fnode-server\n","npm",[586,735,736],{"__ignoreMap":670},[674,737,738,740,743,745,747],{"class":676,"line":677},[674,739,733],{"class":680},[674,741,742],{"class":683}," install",[674,744,687],{"class":683},[674,746,690],{"class":683},[674,748,693],{"class":683},[656,750,752],{"id":751},"_2-initialize-and-register-the-middleware","2. Initialize and register the middleware",[664,754,759],{"className":755,"code":756,"filename":757,"language":758,"meta":670,"style":670},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { serve } from '@hono\u002Fnode-server'\nimport { Hono } from 'hono'\nimport { initLogger } from 'evlog'\nimport { evlog, type EvlogVariables } from 'evlog\u002Fhono'\n\ninitLogger({\n  env: { service: 'my-api' },\n})\n\nconst app = new Hono\u003CEvlogVariables>()\n\napp.use(evlog())\n\napp.get('\u002Fhealth', (c) => {\n  c.get('log').set({ route: 'health' })\n  return c.json({ ok: true })\n})\n\nserve({ fetch: app.fetch, port: 3000 })\n","src\u002Findex.ts","typescript",[586,760,761,790,811,832,860,867,880,908,917,922,952,957,976,981,1018,1065,1096,1103,1108],{"__ignoreMap":670},[674,762,763,767,771,775,778,781,784,787],{"class":676,"line":677},[674,764,766],{"class":765},"s7zQu","import",[674,768,770],{"class":769},"sMK4o"," 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",[641,1156,1157,1160],{"href":530},[586,1158,1159],{},"evlog\u002Fvite"," plugin"," replaces the ",[586,1163,1164],{},"initLogger()"," call with compile-time auto-initialization, strips ",[586,1167,1168],{},"log.debug()"," from production builds, and injects source locations.",[582,1171,584,1172,1174,1175,1177],{},[586,1173,945],{}," type gives you typed access to ",[586,1176,592],{}," across all route handlers.",[652,1179,51],{"id":1180},"wide-events",[582,1182,1183],{},"Build up context progressively through your handler. One request = one wide event:",[664,1185,1187],{"className":755,"code":1186,"filename":757,"language":758,"meta":670,"style":670},"app.get('\u002Fusers\u002F:id', async (c) => {\n  const log = c.get('log')\n  const userId = c.req.param('id')\n\n  log.set({ user: { id: userId } })\n\n  const user = await db.findUser(userId)\n  log.set({ user: { name: user.name, plan: user.plan } })\n\n  const orders = await db.findOrders(userId)\n  log.set({ orders: { count: orders.length, totalRevenue: sum(orders) } })\n\n  return c.json({ user, orders 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plan",[674,1383,889],{"class":769},[674,1385,1299],{"class":773},[674,1387,965],{"class":769},[674,1389,1390],{"class":773},"plan",[674,1392,777],{"class":769},[674,1394,777],{"class":769},[674,1396,916],{"class":885},[674,1398,1399],{"class":676,"line":919},[674,1400,866],{"emptyLinePlaceholder":865},[674,1402,1403,1405,1408,1410,1412,1414,1416,1419,1421,1423],{"class":676,"line":924},[674,1404,1225],{"class":927},[674,1406,1407],{"class":773}," orders",[674,1409,1231],{"class":769},[674,1411,1331],{"class":765},[674,1413,1334],{"class":773},[674,1415,965],{"class":769},[674,1417,1418],{"class":872},"findOrders",[674,1420,876],{"class":885},[674,1422,1344],{"class":773},[674,1424,916],{"class":885},[674,1426,1427,1429,1431,1433,1435,1437,1439,1441,1443,1446,1448,1450,1452,1455,1457,1460,1462,1465,1467,1470,1473,1475,1477],{"class":676,"line":954},[674,1428,1288],{"class":773},[674,1430,965],{"class":769},[674,1432,1043],{"class":872},[674,1434,876],{"class":885},[674,1436,1048],{"class":769},[674,1438,1407],{"class":885},[674,1440,889],{"class":769},[674,1442,770],{"class":769},[674,1444,1445],{"class":885}," count",[674,1447,889],{"class":769},[674,1449,1407],{"class":773},[674,1451,965],{"class":769},[674,1453,1454],{"class":773},"length",[674,1456,843],{"class":769},[674,1458,1459],{"class":885}," totalRevenue",[674,1461,889],{"class":769},[674,1463,1464],{"class":872}," sum",[674,1466,876],{"class":885},[674,1468,1469],{"class":773},"orders",[674,1471,1472],{"class":885},") ",[674,1474,913],{"class":769},[674,1476,777],{"class":769},[674,1478,916],{"class":885},[674,1480,1481],{"class":676,"line":959},[674,1482,866],{"emptyLinePlaceholder":865},[674,1484,1485,1487,1489,1491,1493,1495,1497,1499,1501,1503,1505],{"class":676,"line":978},[674,1486,1070],{"class":765},[674,1488,1073],{"class":773},[674,1490,965],{"class":769},[674,1492,1078],{"class":872},[674,1494,876],{"class":885},[674,1496,1048],{"class":769},[674,1498,1299],{"class":773},[674,1500,843],{"class":769},[674,1502,1407],{"class":773},[674,1504,777],{"class":769},[674,1506,916],{"class":885},[674,1508,1509,1511],{"class":676,"line":983},[674,1510,913],{"class":769},[674,1512,916],{"class":773},[582,1514,1515],{},"All fields are merged into a single wide event emitted when the request completes:",[664,1517,1520],{"className":666,"code":1518,"filename":1519,"language":669,"meta":670,"style":670},"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",[586,1521,1522,1533,1553,1569],{"__ignoreMap":670},[674,1523,1524,1527,1530],{"class":676,"line":677},[674,1525,1526],{"class":680},"14:58:15",[674,1528,1529],{"class":683}," INFO",[674,1531,1532],{"class":773}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[674,1534,1535,1538,1541,1544,1547,1550],{"class":676,"line":792},[674,1536,1537],{"class":680},"  ├─",[674,1539,1540],{"class":683}," orders:",[674,1542,1543],{"class":683}," count=",[674,1545,1546],{"class":1140},"2",[674,1548,1549],{"class":683}," totalRevenue=",[674,1551,1552],{"class":1140},"6298\n",[674,1554,1555,1557,1560,1563,1566],{"class":676,"line":813},[674,1556,1537],{"class":680},[674,1558,1559],{"class":683}," user:",[674,1561,1562],{"class":683}," id=usr_123",[674,1564,1565],{"class":683}," name=Alice",[674,1567,1568],{"class":683}," plan=pro\n",[674,1570,1571,1574,1577],{"class":676,"line":834},[674,1572,1573],{"class":680},"  └─",[674,1575,1576],{"class":683}," requestId:",[674,1578,1579],{"class":683}," 4a8ff3a8-...\n",[652,1581,1583],{"id":1582},"accessing-the-logger-deeper-in-the-stack","Accessing the logger deeper in the stack",[582,1585,1586,1588,1589,1591,1592,1594],{},[586,1587,592],{}," is the idiomatic accessor inside a route handler. Once you are a few\nlayers down (a service, a repository), threading ",[586,1590,1008],{}," everywhere gets noisy. ",[586,1593,596],{},"\nresolves the same request logger without it:",[664,1596,1599],{"className":755,"code":1597,"filename":1598,"language":758,"meta":670,"style":670},"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",[586,1600,1601,1620,1624,1651,1663,1691],{"__ignoreMap":670},[674,1602,1603,1605,1607,1610,1612,1614,1616,1618],{"class":676,"line":677},[674,1604,766],{"class":765},[674,1606,770],{"class":769},[674,1608,1609],{"class":773}," useLogger",[674,1611,777],{"class":769},[674,1613,780],{"class":765},[674,1615,783],{"class":769},[674,1617,588],{"class":683},[674,1619,789],{"class":769},[674,1621,1622],{"class":676,"line":792},[674,1623,866],{"emptyLinePlaceholder":865},[674,1625,1626,1629,1631,1634,1637,1639,1642,1644,1647,1649],{"class":676,"line":813},[674,1627,1628],{"class":765},"export",[674,1630,1210],{"class":927},[674,1632,1633],{"class":927}," function",[674,1635,1636],{"class":872}," chargeCard",[674,1638,876],{"class":769},[674,1640,1641],{"class":1007},"amount",[674,1643,889],{"class":769},[674,1645,1646],{"class":680}," number",[674,1648,1011],{"class":769},[674,1650,1017],{"class":769},[674,1652,1653,1655,1657,1659,1661],{"class":676,"line":834},[674,1654,1225],{"class":927},[674,1656,1228],{"class":773},[674,1658,1231],{"class":769},[674,1660,1609],{"class":872},[674,1662,951],{"class":885},[674,1664,1665,1667,1669,1671,1673,1675,1678,1680,1682,1685,1687,1689],{"class":676,"line":862},[674,1666,1288],{"class":773},[674,1668,965],{"class":769},[674,1670,1043],{"class":872},[674,1672,876],{"class":885},[674,1674,1048],{"class":769},[674,1676,1677],{"class":885}," payment",[674,1679,889],{"class":769},[674,1681,770],{"class":769},[674,1683,1684],{"class":773}," amount",[674,1686,777],{"class":769},[674,1688,777],{"class":769},[674,1690,916],{"class":885},[674,1692,1693],{"class":676,"line":869},[674,1694,1695],{"class":769},"}\n",[582,1697,1698],{},"Both return the same logger, so pick whichever reads better at the call site.",[1147,1700,1701,1703,1704,1707,1708,1711,1712,1715,1716,1719,1720,1722],{"color":1149,"icon":13},[586,1702,596],{}," is backed by ",[586,1705,1706],{},"AsyncLocalStorage",". On Cloudflare Workers this requires the\n",[586,1709,1710],{},"nodejs_compat"," (or ",[586,1713,1714],{},"nodejs_als",") compatibility flag in ",[586,1717,1718],{},"wrangler.toml",". ",[586,1721,592],{},"\nworks with or without it, so deployments that cannot enable the flag keep using it.",[656,1724,1726],{"id":1725},"background-work","Background work",[582,1728,1729,1734,1735,889],{},[1151,1730,1731],{},[586,1732,1733],{},"log.fork()"," runs work under a forked logger that emits its own wide event, correlated\nto the request via ",[586,1736,1737],{},"_parentRequestId",[664,1739,1741],{"className":755,"code":1740,"filename":757,"language":758,"meta":670,"style":670},"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",[586,1742,1743,1773,1816,1826,1862,1869,1893],{"__ignoreMap":670},[674,1744,1745,1747,1749,1752,1754,1756,1759,1761,1763,1765,1767,1769,1771],{"class":676,"line":677},[674,1746,962],{"class":773},[674,1748,965],{"class":769},[674,1750,1751],{"class":872},"post",[674,1753,876],{"class":773},[674,1755,904],{"class":769},[674,1757,1758],{"class":683},"\u002Fapi\u002Forders",[674,1760,904],{"class":769},[674,1762,843],{"class":769},[674,1764,1004],{"class":769},[674,1766,1008],{"class":1007},[674,1768,1011],{"class":769},[674,1770,1014],{"class":927},[674,1772,1017],{"class":769},[674,1774,1775,1777,1779,1781,1783,1785,1787,1789,1791,1793,1796,1798,1800,1803,1805,1807,1809,1812,1814],{"class":676,"line":792},[674,1776,1023],{"class":773},[674,1778,965],{"class":769},[674,1780,990],{"class":872},[674,1782,876],{"class":885},[674,1784,904],{"class":769},[674,1786,1034],{"class":683},[674,1788,904],{"class":769},[674,1790,1011],{"class":885},[674,1792,965],{"class":769},[674,1794,1795],{"class":872},"fork",[674,1797,876],{"class":885},[674,1799,904],{"class":769},[674,1801,1802],{"class":683},"send-receipt",[674,1804,904],{"class":769},[674,1806,843],{"class":769},[674,1808,1210],{"class":927},[674,1810,1811],{"class":769}," ()",[674,1813,1014],{"class":927},[674,1815,1017],{"class":769},[674,1817,1818,1821,1824],{"class":676,"line":813},[674,1819,1820],{"class":765},"    await",[674,1822,1823],{"class":872}," sendReceipt",[674,1825,951],{"class":885},[674,1827,1828,1831,1834,1836,1838,1840,1842,1845,1847,1849,1852,1854,1856,1858,1860],{"class":676,"line":834},[674,1829,1830],{"class":872},"    useLogger",[674,1832,1833],{"class":885},"()",[674,1835,965],{"class":769},[674,1837,1043],{"class":872},[674,1839,876],{"class":885},[674,1841,1048],{"class":769},[674,1843,1844],{"class":885}," email",[674,1846,889],{"class":769},[674,1848,770],{"class":769},[674,1850,1851],{"class":885}," sent",[674,1853,889],{"class":769},[674,1855,1091],{"class":1090},[674,1857,777],{"class":769},[674,1859,777],{"class":769},[674,1861,916],{"class":885},[674,1863,1864,1867],{"class":676,"line":862},[674,1865,1866],{"class":769},"  }",[674,1868,916],{"class":885},[674,1870,1871,1873,1875,1877,1879,1881,1883,1885,1887,1889,1891],{"class":676,"line":869},[674,1872,1070],{"class":765},[674,1874,1073],{"class":773},[674,1876,965],{"class":769},[674,1878,1078],{"class":872},[674,1880,876],{"class":885},[674,1882,1048],{"class":769},[674,1884,1085],{"class":885},[674,1886,889],{"class":769},[674,1888,1091],{"class":1090},[674,1890,777],{"class":769},[674,1892,916],{"class":885},[674,1894,1895,1897],{"class":676,"line":882},[674,1896,913],{"class":769},[674,1898,916],{"class":773},[582,1900,1901,1902,1908,1909,1912,1913,1917],{},"If you schedule async work after the response without forking, post-emit ",[1151,1903,1904,1907],{},[586,1905,1906],{},"[evlog]"," warnings","\nhelp you notice stale ",[586,1910,1911],{},"set()"," calls. See ",[641,1914,1916],{"href":1915},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[652,1919,1921],{"id":1920},"error-handling","Error Handling",[582,1923,1924,1925,1928,1929,1932,1933,1936,1937,1940],{},"Use ",[586,1926,1927],{},"createError"," for structured errors with ",[586,1930,1931],{},"why",", ",[586,1934,1935],{},"fix",", and ",[586,1938,1939],{},"link"," fields:",[664,1942,1944],{"className":755,"code":1943,"filename":757,"language":758,"meta":670,"style":670},"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",[586,1945,1946,1970,1974,2003,2027,2070,2074,2085,2102,2114,2130,2146,2162,2168],{"__ignoreMap":670},[674,1947,1948,1950,1952,1955,1957,1960,1962,1964,1966,1968],{"class":676,"line":677},[674,1949,766],{"class":765},[674,1951,770],{"class":769},[674,1953,1954],{"class":773}," createError",[674,1956,843],{"class":769},[674,1958,1959],{"class":773}," parseError",[674,1961,777],{"class":769},[674,1963,780],{"class":765},[674,1965,783],{"class":769},[674,1967,829],{"class":683},[674,1969,789],{"class":769},[674,1971,1972],{"class":676,"line":792},[674,1973,866],{"emptyLinePlaceholder":865},[674,1975,1976,1978,1980,1982,1984,1986,1989,1991,1993,1995,1997,1999,2001],{"class":676,"line":813},[674,1977,962],{"class":773},[674,1979,965],{"class":769},[674,1981,990],{"class":872},[674,1983,876],{"class":773},[674,1985,904],{"class":769},[674,1987,1988],{"class":683},"\u002Fcheckout",[674,1990,904],{"class":769},[674,1992,843],{"class":769},[674,1994,1004],{"class":769},[674,1996,1008],{"class":1007},[674,1998,1011],{"class":769},[674,2000,1014],{"class":927},[674,2002,1017],{"class":769},[674,2004,2005,2007,2009,2011,2013,2015,2017,2019,2021,2023,2025],{"class":676,"line":834},[674,2006,1225],{"class":927},[674,2008,1228],{"class":773},[674,2010,1231],{"class":769},[674,2012,1073],{"class":773},[674,2014,965],{"class":769},[674,2016,990],{"class":872},[674,2018,876],{"class":885},[674,2020,904],{"class":769},[674,2022,1034],{"class":683},[674,2024,904],{"class":769},[674,2026,916],{"class":885},[674,2028,2029,2031,2033,2035,2037,2039,2042,2044,2046,2049,2051,2054,2056,2059,2061,2064,2066,2068],{"class":676,"line":862},[674,2030,1288],{"class":773},[674,2032,965],{"class":769},[674,2034,1043],{"class":872},[674,2036,876],{"class":885},[674,2038,1048],{"class":769},[674,2040,2041],{"class":885}," cart",[674,2043,889],{"class":769},[674,2045,770],{"class":769},[674,2047,2048],{"class":885}," items",[674,2050,889],{"class":769},[674,2052,2053],{"class":1140}," 3",[674,2055,843],{"class":769},[674,2057,2058],{"class":885}," total",[674,2060,889],{"class":769},[674,2062,2063],{"class":1140}," 9999",[674,2065,777],{"class":769},[674,2067,777],{"class":769},[674,2069,916],{"class":885},[674,2071,2072],{"class":676,"line":869},[674,2073,866],{"emptyLinePlaceholder":865},[674,2075,2076,2079,2081,2083],{"class":676,"line":882},[674,2077,2078],{"class":765},"  throw",[674,2080,1954],{"class":872},[674,2082,876],{"class":885},[674,2084,879],{"class":769},[674,2086,2087,2090,2092,2094,2097,2099],{"class":676,"line":910},[674,2088,2089],{"class":885},"    message",[674,2091,889],{"class":769},[674,2093,783],{"class":769},[674,2095,2096],{"class":683},"Payment failed",[674,2098,904],{"class":769},[674,2100,2101],{"class":769},",\n",[674,2103,2104,2107,2109,2112],{"class":676,"line":919},[674,2105,2106],{"class":885},"    status",[674,2108,889],{"class":769},[674,2110,2111],{"class":1140}," 402",[674,2113,2101],{"class":769},[674,2115,2116,2119,2121,2123,2126,2128],{"class":676,"line":924},[674,2117,2118],{"class":885},"    why",[674,2120,889],{"class":769},[674,2122,783],{"class":769},[674,2124,2125],{"class":683},"Card declined by issuer",[674,2127,904],{"class":769},[674,2129,2101],{"class":769},[674,2131,2132,2135,2137,2139,2142,2144],{"class":676,"line":954},[674,2133,2134],{"class":885},"    fix",[674,2136,889],{"class":769},[674,2138,783],{"class":769},[674,2140,2141],{"class":683},"Try a different payment method",[674,2143,904],{"class":769},[674,2145,2101],{"class":769},[674,2147,2148,2151,2153,2155,2158,2160],{"class":676,"line":959},[674,2149,2150],{"class":885},"    link",[674,2152,889],{"class":769},[674,2154,783],{"class":769},[674,2156,2157],{"class":683},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[674,2159,904],{"class":769},[674,2161,2101],{"class":769},[674,2163,2164,2166],{"class":676,"line":978},[674,2165,1866],{"class":769},[674,2167,916],{"class":885},[674,2169,2170,2172],{"class":676,"line":983},[674,2171,913],{"class":769},[674,2173,916],{"class":773},[582,2175,2176,2177,2180],{},"Handle errors globally with ",[586,2178,2179],{},"app.onError"," to return structured JSON responses:",[664,2182,2184],{"className":755,"code":2183,"filename":757,"language":758,"meta":670,"style":670},"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",[586,2185,2186,2208,2212,2238,2266,2283,2287,2300,2305,2321,2336,2351,2366,2371,2388,2393],{"__ignoreMap":670},[674,2187,2188,2190,2192,2194,2197,2199,2201,2203,2206],{"class":676,"line":677},[674,2189,766],{"class":765},[674,2191,846],{"class":765},[674,2193,770],{"class":769},[674,2195,2196],{"class":773}," ContentfulStatusCode",[674,2198,777],{"class":769},[674,2200,780],{"class":765},[674,2202,783],{"class":769},[674,2204,2205],{"class":683},"hono\u002Futils\u002Fhttp-status",[674,2207,789],{"class":769},[674,2209,2210],{"class":676,"line":792},[674,2211,866],{"emptyLinePlaceholder":865},[674,2213,2214,2216,2218,2221,2223,2225,2228,2230,2232,2234,2236],{"class":676,"line":813},[674,2215,962],{"class":773},[674,2217,965],{"class":769},[674,2219,2220],{"class":872},"onError",[674,2222,876],{"class":773},[674,2224,876],{"class":769},[674,2226,2227],{"class":1007},"error",[674,2229,843],{"class":769},[674,2231,1073],{"class":1007},[674,2233,1011],{"class":769},[674,2235,1014],{"class":927},[674,2237,1017],{"class":769},[674,2239,2240,2242,2244,2246,2248,2250,2252,2254,2256,2258,2260,2262,2264],{"class":676,"line":834},[674,2241,1023],{"class":773},[674,2243,965],{"class":769},[674,2245,990],{"class":872},[674,2247,876],{"class":885},[674,2249,904],{"class":769},[674,2251,1034],{"class":683},[674,2253,904],{"class":769},[674,2255,1011],{"class":885},[674,2257,965],{"class":769},[674,2259,2227],{"class":872},[674,2261,876],{"class":885},[674,2263,2227],{"class":773},[674,2265,916],{"class":885},[674,2267,2268,2270,2273,2275,2277,2279,2281],{"class":676,"line":862},[674,2269,1225],{"class":927},[674,2271,2272],{"class":773}," parsed",[674,2274,1231],{"class":769},[674,2276,1959],{"class":872},[674,2278,876],{"class":885},[674,2280,2227],{"class":773},[674,2282,916],{"class":885},[674,2284,2285],{"class":676,"line":869},[674,2286,866],{"emptyLinePlaceholder":865},[674,2288,2289,2291,2293,2295,2297],{"class":676,"line":882},[674,2290,1070],{"class":765},[674,2292,1073],{"class":773},[674,2294,965],{"class":769},[674,2296,1078],{"class":872},[674,2298,2299],{"class":885},"(\n",[674,2301,2302],{"class":676,"line":910},[674,2303,2304],{"class":769},"    {\n",[674,2306,2307,2310,2312,2314,2316,2319],{"class":676,"line":919},[674,2308,2309],{"class":885},"      message",[674,2311,889],{"class":769},[674,2313,2272],{"class":773},[674,2315,965],{"class":769},[674,2317,2318],{"class":773},"message",[674,2320,2101],{"class":769},[674,2322,2323,2326,2328,2330,2332,2334],{"class":676,"line":924},[674,2324,2325],{"class":885},"      why",[674,2327,889],{"class":769},[674,2329,2272],{"class":773},[674,2331,965],{"class":769},[674,2333,1931],{"class":773},[674,2335,2101],{"class":769},[674,2337,2338,2341,2343,2345,2347,2349],{"class":676,"line":954},[674,2339,2340],{"class":885},"      fix",[674,2342,889],{"class":769},[674,2344,2272],{"class":773},[674,2346,965],{"class":769},[674,2348,1935],{"class":773},[674,2350,2101],{"class":769},[674,2352,2353,2356,2358,2360,2362,2364],{"class":676,"line":959},[674,2354,2355],{"class":885},"      link",[674,2357,889],{"class":769},[674,2359,2272],{"class":773},[674,2361,965],{"class":769},[674,2363,1939],{"class":773},[674,2365,2101],{"class":769},[674,2367,2368],{"class":676,"line":978},[674,2369,2370],{"class":769},"    },\n",[674,2372,2373,2376,2378,2381,2384,2386],{"class":676,"line":983},[674,2374,2375],{"class":773},"    parsed",[674,2377,965],{"class":769},[674,2379,2380],{"class":773},"status",[674,2382,2383],{"class":765}," as",[674,2385,2196],{"class":680},[674,2387,2101],{"class":769},[674,2389,2390],{"class":676,"line":1020},[674,2391,2392],{"class":885},"  )\n",[674,2394,2395,2397],{"class":676,"line":1067},[674,2396,913],{"class":769},[674,2398,916],{"class":773},[582,2400,2401,2404,2405,2407,2408,2411,2412,2415,2416,2419],{},[586,2402,2403],{},"parseError()"," types ",[586,2406,2380],{}," as a ",[586,2409,2410],{},"number",", while Hono’s ",[586,2413,2414],{},"c.json()"," second argument expects ",[586,2417,2418],{},"ContentfulStatusCode",". The cast matches what you already return at runtime and satisfies TypeScript.",[582,2421,2422],{},"The error is captured and logged with both the custom context and structured error fields:",[664,2424,2426],{"className":666,"code":2425,"filename":1519,"language":669,"meta":670,"style":670},"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",[586,2427,2428,2439,2461,2480],{"__ignoreMap":670},[674,2429,2430,2433,2436],{"class":676,"line":677},[674,2431,2432],{"class":680},"14:58:20",[674,2434,2435],{"class":683}," ERROR",[674,2437,2438],{"class":773}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[674,2440,2441,2443,2446,2449,2452,2455,2458],{"class":676,"line":792},[674,2442,1537],{"class":680},[674,2444,2445],{"class":683}," error:",[674,2447,2448],{"class":683}," name=EvlogError",[674,2450,2451],{"class":683}," message=Payment",[674,2453,2454],{"class":683}," failed",[674,2456,2457],{"class":683}," status=",[674,2459,2460],{"class":1140},"402\n",[674,2462,2463,2465,2468,2471,2474,2477],{"class":676,"line":813},[674,2464,1537],{"class":680},[674,2466,2467],{"class":683}," cart:",[674,2469,2470],{"class":683}," items=",[674,2472,2473],{"class":1140},"3",[674,2475,2476],{"class":683}," total=",[674,2478,2479],{"class":1140},"9999\n",[674,2481,2482,2484,2486],{"class":676,"line":834},[674,2483,1573],{"class":680},[674,2485,1576],{"class":683},[674,2487,2488],{"class":683}," 880a50ac-...\n",[652,2490,521],{"id":2491},"configuration",[582,2493,2494,2495,2498,2499,2501],{},"See the ",[641,2496,2497],{"href":522},"Configuration reference"," for all available options (",[586,2500,873],{},", middleware options, sampling, silent mode, etc.).",[652,2503,2505],{"id":2504},"drain-enrichers","Drain & Enrichers",[582,2507,2508],{},"Configure drain adapters and enrichers directly in the middleware options:",[664,2510,2512],{"className":755,"code":2511,"filename":757,"language":758,"meta":670,"style":670},"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",[586,2513,2514,2534,2554,2558,2571,2575,2591,2604,2622,2633,2663,2668],{"__ignoreMap":670},[674,2515,2516,2518,2520,2523,2525,2527,2529,2532],{"class":676,"line":677},[674,2517,766],{"class":765},[674,2519,770],{"class":769},[674,2521,2522],{"class":773}," createAxiomDrain",[674,2524,777],{"class":769},[674,2526,780],{"class":765},[674,2528,783],{"class":769},[674,2530,2531],{"class":683},"evlog\u002Faxiom",[674,2533,789],{"class":769},[674,2535,2536,2538,2540,2543,2545,2547,2549,2552],{"class":676,"line":792},[674,2537,766],{"class":765},[674,2539,770],{"class":769},[674,2541,2542],{"class":773}," createUserAgentEnricher",[674,2544,777],{"class":769},[674,2546,780],{"class":765},[674,2548,783],{"class":769},[674,2550,2551],{"class":683},"evlog\u002Fenrichers",[674,2553,789],{"class":769},[674,2555,2556],{"class":676,"line":813},[674,2557,866],{"emptyLinePlaceholder":865},[674,2559,2560,2562,2565,2567,2569],{"class":676,"line":834},[674,2561,928],{"class":927},[674,2563,2564],{"class":773}," userAgent ",[674,2566,934],{"class":769},[674,2568,2542],{"class":872},[674,2570,951],{"class":773},[674,2572,2573],{"class":676,"line":862},[674,2574,866],{"emptyLinePlaceholder":865},[674,2576,2577,2579,2581,2583,2585,2587,2589],{"class":676,"line":869},[674,2578,962],{"class":773},[674,2580,965],{"class":769},[674,2582,968],{"class":872},[674,2584,876],{"class":773},[674,2586,829],{"class":872},[674,2588,876],{"class":773},[674,2590,879],{"class":769},[674,2592,2593,2596,2598,2600,2602],{"class":676,"line":882},[674,2594,2595],{"class":885},"  drain",[674,2597,889],{"class":769},[674,2599,2522],{"class":872},[674,2601,1833],{"class":773},[674,2603,2101],{"class":769},[674,2605,2606,2609,2611,2613,2616,2618,2620],{"class":676,"line":910},[674,2607,2608],{"class":872},"  enrich",[674,2610,889],{"class":769},[674,2612,1004],{"class":769},[674,2614,2615],{"class":1007},"ctx",[674,2617,1011],{"class":769},[674,2619,1014],{"class":927},[674,2621,1017],{"class":769},[674,2623,2624,2627,2629,2631],{"class":676,"line":919},[674,2625,2626],{"class":872},"    userAgent",[674,2628,876],{"class":885},[674,2630,2615],{"class":773},[674,2632,916],{"class":885},[674,2634,2635,2638,2640,2643,2645,2648,2650,2653,2655,2658,2660],{"class":676,"line":924},[674,2636,2637],{"class":773},"    ctx",[674,2639,965],{"class":769},[674,2641,2642],{"class":773},"event",[674,2644,965],{"class":769},[674,2646,2647],{"class":773},"region",[674,2649,1231],{"class":769},[674,2651,2652],{"class":773}," process",[674,2654,965],{"class":769},[674,2656,2657],{"class":773},"env",[674,2659,965],{"class":769},[674,2661,2662],{"class":773},"FLY_REGION\n",[674,2664,2665],{"class":676,"line":954},[674,2666,2667],{"class":769},"  },\n",[674,2669,2670,2672],{"class":676,"line":959},[674,2671,913],{"class":769},[674,2673,2674],{"class":773},"))\n",[656,2676,2678],{"id":2677},"pipeline-batching-retry","Pipeline (Batching & Retry)",[582,2680,2681,2682,2685],{},"For production, wrap your adapter with ",[586,2683,2684],{},"createDrainPipeline"," to batch events and retry on failure:",[664,2687,2689],{"className":755,"code":2688,"filename":757,"language":758,"meta":670,"style":670},"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",[586,2690,2691,2712,2730,2750,2754,2776,2805,2823,2829,2848,2852],{"__ignoreMap":670},[674,2692,2693,2695,2697,2699,2702,2704,2706,2708,2710],{"class":676,"line":677},[674,2694,766],{"class":765},[674,2696,846],{"class":765},[674,2698,770],{"class":769},[674,2700,2701],{"class":773}," DrainContext",[674,2703,777],{"class":769},[674,2705,780],{"class":765},[674,2707,783],{"class":769},[674,2709,829],{"class":683},[674,2711,789],{"class":769},[674,2713,2714,2716,2718,2720,2722,2724,2726,2728],{"class":676,"line":792},[674,2715,766],{"class":765},[674,2717,770],{"class":769},[674,2719,2522],{"class":773},[674,2721,777],{"class":769},[674,2723,780],{"class":765},[674,2725,783],{"class":769},[674,2727,2531],{"class":683},[674,2729,789],{"class":769},[674,2731,2732,2734,2736,2739,2741,2743,2745,2748],{"class":676,"line":813},[674,2733,766],{"class":765},[674,2735,770],{"class":769},[674,2737,2738],{"class":773}," createDrainPipeline",[674,2740,777],{"class":769},[674,2742,780],{"class":765},[674,2744,783],{"class":769},[674,2746,2747],{"class":683},"evlog\u002Fpipeline",[674,2749,789],{"class":769},[674,2751,2752],{"class":676,"line":834},[674,2753,866],{"emptyLinePlaceholder":865},[674,2755,2756,2758,2761,2763,2765,2767,2770,2772,2774],{"class":676,"line":862},[674,2757,928],{"class":927},[674,2759,2760],{"class":773}," pipeline ",[674,2762,934],{"class":769},[674,2764,2738],{"class":872},[674,2766,942],{"class":769},[674,2768,2769],{"class":680},"DrainContext",[674,2771,948],{"class":769},[674,2773,876],{"class":773},[674,2775,879],{"class":769},[674,2777,2778,2781,2783,2785,2788,2790,2793,2795,2798,2800,2803],{"class":676,"line":869},[674,2779,2780],{"class":885},"  batch",[674,2782,889],{"class":769},[674,2784,770],{"class":769},[674,2786,2787],{"class":885}," size",[674,2789,889],{"class":769},[674,2791,2792],{"class":1140}," 50",[674,2794,843],{"class":769},[674,2796,2797],{"class":885}," intervalMs",[674,2799,889],{"class":769},[674,2801,2802],{"class":1140}," 5000",[674,2804,907],{"class":769},[674,2806,2807,2810,2812,2814,2817,2819,2821],{"class":676,"line":882},[674,2808,2809],{"class":885},"  retry",[674,2811,889],{"class":769},[674,2813,770],{"class":769},[674,2815,2816],{"class":885}," maxAttempts",[674,2818,889],{"class":769},[674,2820,2053],{"class":1140},[674,2822,907],{"class":769},[674,2824,2825,2827],{"class":676,"line":910},[674,2826,913],{"class":769},[674,2828,916],{"class":773},[674,2830,2831,2833,2836,2838,2841,2843,2846],{"class":676,"line":919},[674,2832,928],{"class":927},[674,2834,2835],{"class":773}," drain ",[674,2837,934],{"class":769},[674,2839,2840],{"class":872}," pipeline",[674,2842,876],{"class":773},[674,2844,2845],{"class":872},"createAxiomDrain",[674,2847,975],{"class":773},[674,2849,2850],{"class":676,"line":924},[674,2851,866],{"emptyLinePlaceholder":865},[674,2853,2854,2856,2858,2860,2862,2864,2866,2868,2870,2872],{"class":676,"line":954},[674,2855,962],{"class":773},[674,2857,965],{"class":769},[674,2859,968],{"class":872},[674,2861,876],{"class":773},[674,2863,829],{"class":872},[674,2865,876],{"class":773},[674,2867,1048],{"class":769},[674,2869,2835],{"class":773},[674,2871,913],{"class":769},[674,2873,2674],{"class":773},[1147,2875,2876,2877,2880,2881,2884],{"color":1149,"icon":13},"Call ",[586,2878,2879],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[641,2882,2883],{"href":509},"Pipeline docs"," for all options.",[652,2886,2888],{"id":2887},"tail-sampling","Tail Sampling",[582,2890,1924,2891,2894],{},[586,2892,2893],{},"keep"," to force-retain specific events regardless of head sampling:",[664,2896,2898],{"className":755,"code":2897,"filename":757,"language":758,"meta":670,"style":670},"app.use(evlog({\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n}))\n",[586,2899,2900,2916,2928,2945,2989,2993],{"__ignoreMap":670},[674,2901,2902,2904,2906,2908,2910,2912,2914],{"class":676,"line":677},[674,2903,962],{"class":773},[674,2905,965],{"class":769},[674,2907,968],{"class":872},[674,2909,876],{"class":773},[674,2911,829],{"class":872},[674,2913,876],{"class":773},[674,2915,879],{"class":769},[674,2917,2918,2920,2922,2924,2926],{"class":676,"line":792},[674,2919,2595],{"class":885},[674,2921,889],{"class":769},[674,2923,2522],{"class":872},[674,2925,1833],{"class":773},[674,2927,2101],{"class":769},[674,2929,2930,2933,2935,2937,2939,2941,2943],{"class":676,"line":813},[674,2931,2932],{"class":872},"  keep",[674,2934,889],{"class":769},[674,2936,1004],{"class":769},[674,2938,2615],{"class":1007},[674,2940,1011],{"class":769},[674,2942,1014],{"class":927},[674,2944,1017],{"class":769},[674,2946,2947,2950,2952,2954,2956,2959,2962,2965,2967,2969,2972,2975,2977,2979,2981,2984,2986],{"class":676,"line":834},[674,2948,2949],{"class":765},"    if",[674,2951,1004],{"class":885},[674,2953,2615],{"class":773},[674,2955,965],{"class":769},[674,2957,2958],{"class":773},"duration",[674,2960,2961],{"class":769}," &&",[674,2963,2964],{"class":773}," ctx",[674,2966,965],{"class":769},[674,2968,2958],{"class":773},[674,2970,2971],{"class":769}," >",[674,2973,2974],{"class":1140}," 2000",[674,2976,1472],{"class":885},[674,2978,2615],{"class":773},[674,2980,965],{"class":769},[674,2982,2983],{"class":773},"shouldKeep",[674,2985,1231],{"class":769},[674,2987,2988],{"class":1090}," true\n",[674,2990,2991],{"class":676,"line":862},[674,2992,2667],{"class":769},[674,2994,2995,2997],{"class":676,"line":869},[674,2996,913],{"class":769},[674,2998,2674],{"class":773},[652,3000,3002],{"id":3001},"route-filtering","Route Filtering",[582,3004,3005,3006,3009,3010,3013],{},"Control which routes are logged with ",[586,3007,3008],{},"include"," and ",[586,3011,3012],{},"exclude"," patterns:",[664,3015,3017],{"className":755,"code":3016,"filename":757,"language":758,"meta":670,"style":670},"app.use(evlog({\n  include: ['\u002Fapi\u002F**'],\n  exclude: ['\u002F_internal\u002F**', '\u002Fhealth'],\n  routes: {\n    '\u002Fapi\u002Fauth\u002F**': { service: 'auth-service' },\n    '\u002Fapi\u002Fpayment\u002F**': { service: 'payment-service' },\n  },\n}))\n",[586,3018,3019,3035,3057,3085,3094,3121,3147,3151],{"__ignoreMap":670},[674,3020,3021,3023,3025,3027,3029,3031,3033],{"class":676,"line":677},[674,3022,962],{"class":773},[674,3024,965],{"class":769},[674,3026,968],{"class":872},[674,3028,876],{"class":773},[674,3030,829],{"class":872},[674,3032,876],{"class":773},[674,3034,879],{"class":769},[674,3036,3037,3040,3042,3045,3047,3050,3052,3055],{"class":676,"line":792},[674,3038,3039],{"class":885},"  include",[674,3041,889],{"class":769},[674,3043,3044],{"class":773}," [",[674,3046,904],{"class":769},[674,3048,3049],{"class":683},"\u002Fapi\u002F**",[674,3051,904],{"class":769},[674,3053,3054],{"class":773},"]",[674,3056,2101],{"class":769},[674,3058,3059,3062,3064,3066,3068,3071,3073,3075,3077,3079,3081,3083],{"class":676,"line":813},[674,3060,3061],{"class":885},"  exclude",[674,3063,889],{"class":769},[674,3065,3044],{"class":773},[674,3067,904],{"class":769},[674,3069,3070],{"class":683},"\u002F_internal\u002F**",[674,3072,904],{"class":769},[674,3074,843],{"class":769},[674,3076,783],{"class":769},[674,3078,997],{"class":683},[674,3080,904],{"class":769},[674,3082,3054],{"class":773},[674,3084,2101],{"class":769},[674,3086,3087,3090,3092],{"class":676,"line":834},[674,3088,3089],{"class":885},"  routes",[674,3091,889],{"class":769},[674,3093,1017],{"class":769},[674,3095,3096,3099,3102,3104,3106,3108,3110,3112,3114,3117,3119],{"class":676,"line":862},[674,3097,3098],{"class":769},"    '",[674,3100,3101],{"class":885},"\u002Fapi\u002Fauth\u002F**",[674,3103,904],{"class":769},[674,3105,889],{"class":769},[674,3107,770],{"class":769},[674,3109,894],{"class":885},[674,3111,889],{"class":769},[674,3113,783],{"class":769},[674,3115,3116],{"class":683},"auth-service",[674,3118,904],{"class":769},[674,3120,907],{"class":769},[674,3122,3123,3125,3128,3130,3132,3134,3136,3138,3140,3143,3145],{"class":676,"line":869},[674,3124,3098],{"class":769},[674,3126,3127],{"class":885},"\u002Fapi\u002Fpayment\u002F**",[674,3129,904],{"class":769},[674,3131,889],{"class":769},[674,3133,770],{"class":769},[674,3135,894],{"class":885},[674,3137,889],{"class":769},[674,3139,783],{"class":769},[674,3141,3142],{"class":683},"payment-service",[674,3144,904],{"class":769},[674,3146,907],{"class":769},[674,3148,3149],{"class":676,"line":882},[674,3150,2667],{"class":769},[674,3152,3153,3155],{"class":676,"line":910},[674,3154,913],{"class":769},[674,3156,2674],{"class":773},[652,3158,3160],{"id":3159},"client-side-logging","Client-Side Logging",[582,3162,1924,3163,3166],{},[586,3164,3165],{},"evlog\u002Fhttp"," to send structured logs from any frontend to your Hono server. This works with any client framework (React, Vue, Svelte, vanilla JS).",[656,3168,3170],{"id":3169},"browser-setup","Browser setup",[664,3172,3175],{"className":755,"code":3173,"filename":3174,"language":758,"meta":670,"style":670},"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",[674,3548,3549,3552],{"class":676,"line":792},[674,3550,3551],{"class":872},"cd",[674,3553,3554],{"class":683}," evlog\n",[674,3556,3557,3559],{"class":676,"line":813},[674,3558,668],{"class":680},[674,3560,3561],{"class":683}," install\n",[674,3563,3564,3566,3569],{"class":676,"line":834},[674,3565,668],{"class":680},[674,3567,3568],{"class":683}," example",[674,3570,3571],{"class":683}," hono\n",[582,3573,3574,3575,3579],{},"Open ",[641,3576,3577],{"href":3577,"rel":3578},"http:\u002F\u002Flocalhost:3000",[645]," to explore the interactive test UI.",[3581,3582,3583],"card-group",{},[3584,3585,3589],"card",{"icon":3586,"title":3587,"to":3588},"i-simple-icons-github","Source Code","https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Ftree\u002Fmain\u002Fexamples\u002Fhono","Browse the complete Hono example source on GitHub.",[652,3591,3593],{"id":3592},"next-steps","Next Steps",[582,3595,3596,3597,3599],{},"Deepen your ",[1151,3598,275],{}," integration:",[607,3601,3602,3607,3612,3617],{},[610,3603,3604,3606],{},[641,3605,51],{"href":52},": Design comprehensive events with context layering",[610,3608,3609,3611],{},[641,3610,148],{"href":153},": Send logs to Axiom, Sentry, PostHog, and more",[610,3613,3614,3616],{},[641,3615,66],{"href":67},": Control log volume with head and tail sampling",[610,3618,3619,3621,3622,1932,3624,1936,3626,3628],{},[641,3620,56],{"href":57},": Throw errors with ",[586,3623,1931],{},[586,3625,1935],{},[586,3627,1939],{}," fields",[3630,3631,3632],"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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