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context","\u002Fcompare\u002Fconsola","9.compare\u002F5.consola",{"id":599,"title":309,"body":600,"description":3686,"extension":3687,"links":3688,"meta":3692,"navigation":3693,"path":310,"seo":3694,"stem":311,"__hash__":3695},"docs\u002F4.integrate\u002Fframeworks\u002F15.orpc.md",{"type":601,"value":602,"toc":3667},"minimark",[603,635,655,700,704,709,789,793,1310,1331,1346,1349,1352,1678,1692,1766,1770,1776,1957,2055,2071,2078,2092,2322,2326,2359,2583,2586,2664,2667,2822,2858,2861,2871,2875,2882,3055,3059,3066,3260,3271,3275,3281,3391,3395,3404,3554,3560,3564,3606,3614,3624,3628,3634,3663],[604,605,606,610,611,614,615,618,619,622,623,626,627,630,631,634],"p",{},[607,608,609],"code",{},"evlog\u002Forpc"," ships two primitives: ",[607,612,613],{},"withEvlog(handler)"," wraps any oRPC handler (",[607,616,617],{},"RPCHandler",", ",[607,620,621],{},"OpenAPIHandler",") so each request becomes one wide event, and ",[607,624,625],{},"evlog()"," is a procedure middleware that exposes ",[607,628,629],{},"context.log"," and tags the wide event with the procedure path as ",[607,632,633],{},"operation",".",[636,637,639,643,644,651,652,654],"callout",{"color":638,"icon":13},"info",[640,641,642],"strong",{},"oRPC v2:"," The oRPC maintainers have ",[645,646,650],"a",{"href":647,"rel":648},"https:\u002F\u002Fgithub.com\u002Fmiddleapi\u002Forpc\u002Fdiscussions\u002F1293#discussioncomment-17032656",[649],"nofollow","announced first-party evlog support in v2"," (edge-ready). Until v2 ships, ",[607,653,609],{}," is the integration path for oRPC v1, and it remains the entrypoint for evlog's full pipeline (drains, enrichers, tail sampling, structured errors) regardless of how oRPC wires it in later.",[656,657,660,663,688],"prompt",{":actions":658,"description":659,"icon":312},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my oRPC app",[604,661,662],{},"Set up evlog in my oRPC app.",[664,665,666,670,673,676,679,682,685],"ul",{},[667,668,669],"li",{},"Install evlog: pnpm add evlog",[667,671,672],{},"Call initLogger({ env: { service: 'my-rpc' } }) at startup",[667,674,675],{},"Wrap your RPCHandler \u002F OpenAPIHandler with withEvlog() from 'evlog\u002Forpc'",[667,677,678],{},"Add os.use(evlog()) on your base procedure for typed context.log + per-procedure operation",[667,680,681],{},"Declare EvlogOrpcContext on your base context to type context.log",[667,683,684],{},"Throw evlog errors (createError or defineErrorCatalog) directly from procedures. evlog\u002Forpc bridges them into ORPCError",[667,686,687],{},"Pass drain, enrich, include, and keep options to withEvlog()",[604,689,690,691,695,696],{},"Docs: ",[645,692,693],{"href":693,"rel":694},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Forpc",[649],"\nAdapters: ",[645,697,698],{"href":698,"rel":699},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[649],[701,702,25],"h2",{"id":703},"quick-start",[705,706,708],"h3",{"id":707},"_1-install","1. Install",[710,711,712,740,756,772],"code-group",{},[713,714,720],"pre",{"className":715,"code":716,"filename":717,"language":718,"meta":719,"style":719},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog @orpc\u002Fserver\n","pnpm","bash","",[607,721,722],{"__ignoreMap":719},[723,724,727,730,734,737],"span",{"class":725,"line":726},"line",1,[723,728,717],{"class":729},"sBMFI",[723,731,733],{"class":732},"sfazB"," add",[723,735,736],{"class":732}," evlog",[723,738,739],{"class":732}," @orpc\u002Fserver\n",[713,741,744],{"className":715,"code":742,"filename":743,"language":718,"meta":719,"style":719},"bun add evlog @orpc\u002Fserver\n","bun",[607,745,746],{"__ignoreMap":719},[723,747,748,750,752,754],{"class":725,"line":726},[723,749,743],{"class":729},[723,751,733],{"class":732},[723,753,736],{"class":732},[723,755,739],{"class":732},[713,757,760],{"className":715,"code":758,"filename":759,"language":718,"meta":719,"style":719},"yarn add evlog @orpc\u002Fserver\n","yarn",[607,761,762],{"__ignoreMap":719},[723,763,764,766,768,770],{"class":725,"line":726},[723,765,759],{"class":729},[723,767,733],{"class":732},[723,769,736],{"class":732},[723,771,739],{"class":732},[713,773,776],{"className":715,"code":774,"filename":775,"language":718,"meta":719,"style":719},"npm install evlog @orpc\u002Fserver\n","npm",[607,777,778],{"__ignoreMap":719},[723,779,780,782,785,787],{"class":725,"line":726},[723,781,775],{"class":729},[723,783,784],{"class":732}," install",[723,786,736],{"class":732},[723,788,739],{"class":732},[705,790,792],{"id":791},"_2-initialize-and-wire-the-wrappers","2. Initialize and wire the wrappers",[713,794,799],{"className":795,"code":796,"filename":797,"language":798,"meta":719,"style":719},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { os } from '@orpc\u002Fserver'\nimport { RPCHandler } from '@orpc\u002Fserver\u002Ffetch'\nimport { initLogger } from 'evlog'\nimport { evlog, withEvlog, type EvlogOrpcContext } from 'evlog\u002Forpc'\n\ninitLogger({\n  env: { service: 'my-rpc' },\n})\n\nconst base = os.$context\u003CEvlogOrpcContext>().use(evlog())\n\nconst router = {\n  health: base.handler(({ context }) => {\n    context.log.set({ route: 'health' })\n    return { ok: true }\n  }),\n}\n\nconst handler = withEvlog(new RPCHandler(router))\n\nexport default async function fetch(request: Request) {\n  const { matched, response } = await handler.handle(request, { prefix: '\u002Frpc' })\n  return matched ? response : new Response('Not Found', { status: 404 })\n}\n","server\u002Forpc.ts","typescript",[607,800,801,830,851,872,905,912,925,953,962,967,1011,1016,1029,1062,1099,1119,1131,1137,1142,1164,1169,1201,1257,1305],{"__ignoreMap":719},[723,802,803,807,811,815,818,821,824,827],{"class":725,"line":726},[723,804,806],{"class":805},"s7zQu","import",[723,808,810],{"class":809},"sMK4o"," {",[723,812,814],{"class":813},"sTEyZ"," os",[723,816,817],{"class":809}," }",[723,819,820],{"class":805}," from",[723,822,823],{"class":809}," '",[723,825,826],{"class":732},"@orpc\u002Fserver",[723,828,829],{"class":809},"'\n",[723,831,833,835,837,840,842,844,846,849],{"class":725,"line":832},2,[723,834,806],{"class":805},[723,836,810],{"class":809},[723,838,839],{"class":813}," RPCHandler",[723,841,817],{"class":809},[723,843,820],{"class":805},[723,845,823],{"class":809},[723,847,848],{"class":732},"@orpc\u002Fserver\u002Ffetch",[723,850,829],{"class":809},[723,852,854,856,858,861,863,865,867,870],{"class":725,"line":853},3,[723,855,806],{"class":805},[723,857,810],{"class":809},[723,859,860],{"class":813}," initLogger",[723,862,817],{"class":809},[723,864,820],{"class":805},[723,866,823],{"class":809},[723,868,869],{"class":732},"evlog",[723,871,829],{"class":809},[723,873,875,877,879,881,884,887,889,892,895,897,899,901,903],{"class":725,"line":874},4,[723,876,806],{"class":805},[723,878,810],{"class":809},[723,880,736],{"class":813},[723,882,883],{"class":809},",",[723,885,886],{"class":813}," withEvlog",[723,888,883],{"class":809},[723,890,891],{"class":805}," type",[723,893,894],{"class":813}," EvlogOrpcContext",[723,896,817],{"class":809},[723,898,820],{"class":805},[723,900,823],{"class":809},[723,902,609],{"class":732},[723,904,829],{"class":809},[723,906,908],{"class":725,"line":907},5,[723,909,911],{"emptyLinePlaceholder":910},true,"\n",[723,913,915,919,922],{"class":725,"line":914},6,[723,916,918],{"class":917},"s2Zo4","initLogger",[723,920,921],{"class":813},"(",[723,923,924],{"class":809},"{\n",[723,926,928,932,935,937,940,942,944,947,950],{"class":725,"line":927},7,[723,929,931],{"class":930},"swJcz","  env",[723,933,934],{"class":809},":",[723,936,810],{"class":809},[723,938,939],{"class":930}," service",[723,941,934],{"class":809},[723,943,823],{"class":809},[723,945,946],{"class":732},"my-rpc",[723,948,949],{"class":809},"'",[723,951,952],{"class":809}," },\n",[723,954,956,959],{"class":725,"line":955},8,[723,957,958],{"class":809},"}",[723,960,961],{"class":813},")\n",[723,963,965],{"class":725,"line":964},9,[723,966,911],{"emptyLinePlaceholder":910},[723,968,970,974,977,980,982,984,987,990,993,996,999,1001,1004,1006,1008],{"class":725,"line":969},10,[723,971,973],{"class":972},"spNyl","const",[723,975,976],{"class":813}," base ",[723,978,979],{"class":809},"=",[723,981,814],{"class":813},[723,983,634],{"class":809},[723,985,986],{"class":917},"$context",[723,988,989],{"class":809},"\u003C",[723,991,992],{"class":729},"EvlogOrpcContext",[723,994,995],{"class":809},">",[723,997,998],{"class":813},"()",[723,1000,634],{"class":809},[723,1002,1003],{"class":917},"use",[723,1005,921],{"class":813},[723,1007,869],{"class":917},[723,1009,1010],{"class":813},"())\n",[723,1012,1014],{"class":725,"line":1013},11,[723,1015,911],{"emptyLinePlaceholder":910},[723,1017,1019,1021,1024,1026],{"class":725,"line":1018},12,[723,1020,973],{"class":972},[723,1022,1023],{"class":813}," router ",[723,1025,979],{"class":809},[723,1027,1028],{"class":809}," {\n",[723,1030,1032,1035,1037,1040,1042,1045,1047,1050,1054,1057,1060],{"class":725,"line":1031},13,[723,1033,1034],{"class":930},"  health",[723,1036,934],{"class":809},[723,1038,1039],{"class":813}," base",[723,1041,634],{"class":809},[723,1043,1044],{"class":917},"handler",[723,1046,921],{"class":813},[723,1048,1049],{"class":809},"({",[723,1051,1053],{"class":1052},"sHdIc"," context",[723,1055,1056],{"class":809}," })",[723,1058,1059],{"class":972}," =>",[723,1061,1028],{"class":809},[723,1063,1065,1068,1070,1073,1075,1078,1080,1083,1086,1088,1090,1093,1095,1097],{"class":725,"line":1064},14,[723,1066,1067],{"class":813},"    context",[723,1069,634],{"class":809},[723,1071,1072],{"class":813},"log",[723,1074,634],{"class":809},[723,1076,1077],{"class":917},"set",[723,1079,921],{"class":930},[723,1081,1082],{"class":809},"{",[723,1084,1085],{"class":930}," route",[723,1087,934],{"class":809},[723,1089,823],{"class":809},[723,1091,1092],{"class":732},"health",[723,1094,949],{"class":809},[723,1096,817],{"class":809},[723,1098,961],{"class":930},[723,1100,1102,1105,1107,1110,1112,1116],{"class":725,"line":1101},15,[723,1103,1104],{"class":805},"    return",[723,1106,810],{"class":809},[723,1108,1109],{"class":930}," ok",[723,1111,934],{"class":809},[723,1113,1115],{"class":1114},"sfNiH"," true",[723,1117,1118],{"class":809}," }\n",[723,1120,1122,1125,1128],{"class":725,"line":1121},16,[723,1123,1124],{"class":809},"  }",[723,1126,1127],{"class":813},")",[723,1129,1130],{"class":809},",\n",[723,1132,1134],{"class":725,"line":1133},17,[723,1135,1136],{"class":809},"}\n",[723,1138,1140],{"class":725,"line":1139},18,[723,1141,911],{"emptyLinePlaceholder":910},[723,1143,1145,1147,1150,1152,1154,1156,1159,1161],{"class":725,"line":1144},19,[723,1146,973],{"class":972},[723,1148,1149],{"class":813}," handler 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const",[723,1208,810],{"class":809},[723,1210,1211],{"class":813}," matched",[723,1213,883],{"class":809},[723,1215,1216],{"class":813}," response",[723,1218,817],{"class":809},[723,1220,1221],{"class":809}," =",[723,1223,1224],{"class":805}," await",[723,1226,1227],{"class":813}," handler",[723,1229,634],{"class":809},[723,1231,1232],{"class":917},"handle",[723,1234,921],{"class":930},[723,1236,1191],{"class":813},[723,1238,883],{"class":809},[723,1240,810],{"class":809},[723,1242,1243],{"class":930}," prefix",[723,1245,934],{"class":809},[723,1247,823],{"class":809},[723,1249,1250],{"class":732},"\u002Frpc",[723,1252,949],{"class":809},[723,1254,817],{"class":809},[723,1256,961],{"class":930},[723,1258,1260,1263,1265,1268,1270,1273,1276,1279,1281,1283,1286,1288,1290,1292,1295,1297,1301,1303],{"class":725,"line":1259},23,[723,1261,1262],{"class":805},"  return",[723,1264,1211],{"class":813},[723,1266,1267],{"class":809}," ?",[723,1269,1216],{"class":813},[723,1271,1272],{"class":809}," :",[723,1274,1275],{"class":809}," new",[723,1277,1278],{"class":917}," Response",[723,1280,921],{"class":930},[723,1282,949],{"class":809},[723,1284,1285],{"class":732},"Not Found",[723,1287,949],{"class":809},[723,1289,883],{"class":809},[723,1291,810],{"class":809},[723,1293,1294],{"class":930}," status",[723,1296,934],{"class":809},[723,1298,1300],{"class":1299},"sbssI"," 404",[723,1302,817],{"class":809},[723,1304,961],{"class":930},[723,1306,1308],{"class":725,"line":1307},24,[723,1309,1136],{"class":809},[636,1311,1312,1315,1316,1322,1323,1326,1327,1330],{"color":638,"icon":554},[640,1313,1314],{},"Using Vite?"," The ",[645,1317,1318,1321],{"href":552},[607,1319,1320],{},"evlog\u002Fvite"," plugin"," replaces the ",[607,1324,1325],{},"initLogger()"," call with compile-time auto-initialization, strips ",[607,1328,1329],{},"log.debug()"," from production builds, and injects source locations.",[604,1332,1333,1335,1336,1339,1340,1342,1343,634],{},[607,1334,992],{}," declares ",[607,1337,1338],{},"log: RequestLogger"," on the procedure context so ",[607,1341,629],{}," is fully typed in every procedure that descends from ",[607,1344,1345],{},"base",[701,1347,51],{"id":1348},"wide-events",[604,1350,1351],{},"Build up context progressively through your handler. One request = one wide event:",[713,1353,1355],{"className":795,"code":1354,"filename":797,"language":798,"meta":719,"style":719},"const getUser = base\n  .input(z.object({ id: z.string() }))\n  .handler(async ({ input, context }) => {\n    context.log.set({ user: { id: input.id } })\n\n    const user = await db.findUser(input.id)\n    context.log.set({ user: { name: user.name, plan: user.plan } })\n\n    const orders = await db.findOrders(input.id)\n    context.log.set({ orders: { count: orders.length, totalRevenue: sum(orders) } })\n\n    return { user, orders }\n  })\n",[607,1356,1357,1369,1410,1437,1477,1481,1510,1564,1568,1596,1654,1658,1672],{"__ignoreMap":719},[723,1358,1359,1361,1364,1366],{"class":725,"line":726},[723,1360,973],{"class":972},[723,1362,1363],{"class":813}," getUser ",[723,1365,979],{"class":809},[723,1367,1368],{"class":813}," 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The ",[607,1682,633],{}," field is filled automatically from the procedure path (nested routers like ",[607,1685,1686],{},"users.profile.get"," surface as ",[607,1689,1690],{},"operation: 'users.profile.get'","):",[713,1693,1696],{"className":715,"code":1694,"filename":1695,"language":718,"meta":719,"style":719},"14:58:15 INFO [my-rpc] POST \u002Frpc\u002FgetUser 200 in 12ms\n  ├─ operation: getUser\n  ├─ orders: count=2 totalRevenue=6298\n  ├─ user: id=usr_123 name=Alice plan=pro\n  └─ requestId: 4a8ff3a8-...\n","Terminal output",[607,1697,1698,1709,1720,1739,1755],{"__ignoreMap":719},[723,1699,1700,1703,1706],{"class":725,"line":726},[723,1701,1702],{"class":729},"14:58:15",[723,1704,1705],{"class":732}," INFO",[723,1707,1708],{"class":813}," [my-rpc] POST \u002Frpc\u002FgetUser 200 in 12ms\n",[723,1710,1711,1714,1717],{"class":725,"line":832},[723,1712,1713],{"class":729},"  ├─",[723,1715,1716],{"class":732}," operation:",[723,1718,1719],{"class":732}," getUser\n",[723,1721,1722,1724,1727,1730,1733,1736],{"class":725,"line":853},[723,1723,1713],{"class":729},[723,1725,1726],{"class":732}," orders:",[723,1728,1729],{"class":732}," count=",[723,1731,1732],{"class":1299},"2",[723,1734,1735],{"class":732}," totalRevenue=",[723,1737,1738],{"class":1299},"6298\n",[723,1740,1741,1743,1746,1749,1752],{"class":725,"line":874},[723,1742,1713],{"class":729},[723,1744,1745],{"class":732}," user:",[723,1747,1748],{"class":732}," id=usr_123",[723,1750,1751],{"class":732}," name=Alice",[723,1753,1754],{"class":732}," plan=pro\n",[723,1756,1757,1760,1763],{"class":725,"line":907},[723,1758,1759],{"class":729},"  └─",[723,1761,1762],{"class":732}," requestId:",[723,1764,1765],{"class":732}," 4a8ff3a8-...\n",[701,1767,1769],{"id":1768},"uselogger","useLogger()",[604,1771,1772,1773,1775],{},"Use ",[607,1774,1769],{}," to access the request-scoped logger from anywhere in the call stack without passing the context through your service layer:",[713,1777,1780],{"className":795,"code":1778,"filename":1779,"language":798,"meta":719,"style":719},"import { useLogger } from 'evlog\u002Forpc'\n\nexport async function findUser(id: string) {\n  const log = useLogger()\n  log.set({ user: { id } })\n\n  const user = await db.findUser(id)\n  log.set({ user: { name: user.name, plan: user.plan } })\n\n  return user\n}\n","server\u002Fservices\u002Fuser.ts",[607,1781,1782,1801,1805,1829,1843,1870,1874,1896,1942,1946,1953],{"__ignoreMap":719},[723,1783,1784,1786,1788,1791,1793,1795,1797,1799],{"class":725,"line":726},[723,1785,806],{"class":805},[723,1787,810],{"class":809},[723,1789,1790],{"class":813}," 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user\n",[723,1954,1955],{"class":725,"line":1013},[723,1956,1136],{"class":809},[713,1958,1960],{"className":795,"code":1959,"filename":797,"language":798,"meta":719,"style":719},"import { findUser } from '.\u002Fservices\u002Fuser'\n\nconst getUser = base\n  .input(z.object({ id: z.string() }))\n  .handler(async ({ input }) => findUser(input.id))\n",[607,1961,1962,1981,1985,1995,2027],{"__ignoreMap":719},[723,1963,1964,1966,1968,1970,1972,1974,1976,1979],{"class":725,"line":726},[723,1965,806],{"class":805},[723,1967,810],{"class":809},[723,1969,1815],{"class":813},[723,1971,817],{"class":809},[723,1973,820],{"class":805},[723,1975,823],{"class":809},[723,1977,1978],{"class":732},".\u002Fservices\u002Fuser",[723,1980,829],{"class":809},[723,1982,1983],{"class":725,"line":832},[723,1984,911],{"emptyLinePlaceholder":910},[723,1986,1987,1989,1991,1993],{"class":725,"line":853},[723,1988,973],{"class":972},[723,1990,1363],{"class":813},[723,1992,979],{"class":809},[723,1994,1368],{"class":813},[723,1996,1997,1999,2001,2003,2005,2007,2009,2011,2013,2015,2017,2019,2021,2023,2025],{"class":725,"line":874},[723,1998,1373],{"class":809},[723,2000,1376],{"class":917},[723,2002,1379],{"class":813},[723,2004,634],{"class":809},[723,2006,1384],{"class":917},[723,2008,921],{"class":813},[723,2010,1082],{"class":809},[723,2012,1391],{"class":930},[723,2014,934],{"class":809},[723,2016,1396],{"class":813},[723,2018,634],{"class":809},[723,2020,1401],{"class":917},[723,2022,1404],{"class":813},[723,2024,958],{"class":809},[723,2026,1409],{"class":813},[723,2028,2029,2031,2033,2035,2037,2039,2041,2043,2045,2047,2050,2052],{"class":725,"line":907},[723,2030,1373],{"class":809},[723,2032,1044],{"class":917},[723,2034,921],{"class":813},[723,2036,1420],{"class":972},[723,2038,1423],{"class":809},[723,2040,1426],{"class":1052},[723,2042,1056],{"class":809},[723,2044,1059],{"class":972},[723,2046,1815],{"class":917},[723,2048,2049],{"class":813},"(input",[723,2051,634],{"class":809},[723,2053,2054],{"class":813},"id))\n",[604,2056,2057,2058,2060,2061,2063,2064,2066,2067,2070],{},"Both ",[607,2059,629],{}," and ",[607,2062,1769],{}," return the same logger instance. ",[607,2065,1769],{}," uses ",[607,2068,2069],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[701,2072,2074,2075,1127],{"id":2073},"background-work-logfork","Background work (",[607,2076,2077],{},"log.fork",[604,2079,2080,2082,2083,2086,2087,2091],{},[607,2081,1769],{}," returns a logger that also supports ",[607,2084,2085],{},"fork"," for child wide events, so background work runs under its own wide event. See ",[645,2088,2090],{"href":2089},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[713,2093,2095],{"className":795,"code":2094,"filename":1779,"language":798,"meta":719,"style":719},"import { useLogger } from 'evlog\u002Forpc'\n\nexport async function findUser(id: string) {\n  const log = useLogger()\n\n  log.fork!('background', async () => {\n    const child = useLogger()\n    child.set({ step: 'complete' })\n  })\n\n  const user = await db.findUser(id)\n  log.set({ user: { name: user.name, plan: user.plan } })\n\n  return user\n}\n",[607,2096,2097,2115,2119,2141,2153,2157,2188,2201,2230,2236,2240,2262,2308,2312,2318],{"__ignoreMap":719},[723,2098,2099,2101,2103,2105,2107,2109,2111,2113],{"class":725,"line":726},[723,2100,806],{"class":805},[723,2102,810],{"class":809},[723,2104,1790],{"class":813},[723,2106,817],{"class":809},[723,2108,820],{"class":805},[723,2110,823],{"class":809},[723,2112,609],{"class":732},[723,2114,829],{"class":809},[723,2116,2117],{"class":725,"line":832},[723,2118,911],{"emptyLinePlaceholder":910},[723,2120,2121,2123,2125,2127,2129,2131,2133,2135,2137,2139],{"class":725,"line":853},[723,2122,1174],{"class":805},[723,2124,1180],{"class":972},[723,2126,1183],{"class":972},[723,2128,1815],{"class":917},[723,2130,921],{"class":809},[723,2132,1470],{"class":1052},[723,2134,934],{"class":809},[723,2136,1824],{"class":729},[723,2138,1127],{"class":809},[723,2140,1028],{"class":809},[723,2142,2143,2145,2147,2149,2151],{"class":725,"line":874},[723,2144,1206],{"class":972},[723,2146,1835],{"class":813},[723,2148,1221],{"class":809},[723,2150,1790],{"class":917},[723,2152,1842],{"class":930},[723,2154,2155],{"class":725,"line":907},[723,2156,911],{"emptyLinePlaceholder":910},[723,2158,2159,2161,2163,2165,2168,2170,2172,2175,2177,2179,2181,2184,2186],{"class":725,"line":914},[723,2160,1847],{"class":813},[723,2162,634],{"class":809},[723,2164,2085],{"class":917},[723,2166,2167],{"class":809},"!",[723,2169,921],{"class":930},[723,2171,949],{"class":809},[723,2173,2174],{"class":732},"background",[723,2176,949],{"class":809},[723,2178,883],{"class":809},[723,2180,1180],{"class":972},[723,2182,2183],{"class":809}," ()",[723,2185,1059],{"class":972},[723,2187,1028],{"class":809},[723,2189,2190,2192,2195,2197,2199],{"class":725,"line":927},[723,2191,1485],{"class":972},[723,2193,2194],{"class":813}," child",[723,2196,1221],{"class":809},[723,2198,1790],{"class":917},[723,2200,1842],{"class":930},[723,2202,2203,2206,2208,2210,2212,2214,2217,2219,2221,2224,2226,2228],{"class":725,"line":955},[723,2204,2205],{"class":813},"    child",[723,2207,634],{"class":809},[723,2209,1077],{"class":917},[723,2211,921],{"class":930},[723,2213,1082],{"class":809},[723,2215,2216],{"class":930}," step",[723,2218,934],{"class":809},[723,2220,823],{"class":809},[723,2222,2223],{"class":732},"complete",[723,2225,949],{"class":809},[723,2227,817],{"class":809},[723,2229,961],{"class":930},[723,2231,2232,2234],{"class":725,"line":964},[723,2233,1124],{"class":809},[723,2235,961],{"class":930},[723,2237,2238],{"class":725,"line":969},[723,2239,911],{"emptyLinePlaceholder":910},[723,2241,2242,2244,2246,2248,2250,2252,2254,2256,2258,2260],{"class":725,"line":1013},[723,2243,1206],{"class":972},[723,2245,1455],{"class":813},[723,2247,1221],{"class":809},[723,2249,1224],{"class":805},[723,2251,1494],{"class":813},[723,2253,634],{"class":809},[723,2255,1499],{"class":917},[723,2257,921],{"class":930},[723,2259,1470],{"class":813},[723,2261,961],{"class":930},[723,2263,2264,2266,2268,2270,2272,2274,2276,2278,2280,2282,2284,2286,2288,2290,2292,2294,2296,2298,2300,2302,2304,2306],{"class":725,"line":1018},[723,2265,1847],{"class":813},[723,2267,634],{"class":809},[723,2269,1077],{"class":917},[723,2271,921],{"class":930},[723,2273,1082],{"class":809},[723,2275,1455],{"class":930},[723,2277,934],{"class":809},[723,2279,810],{"class":809},[723,2281,1534],{"class":930},[723,2283,934],{"class":809},[723,2285,1455],{"class":813},[723,2287,634],{"class":809},[723,2289,1543],{"class":813},[723,2291,883],{"class":809},[723,2293,1548],{"class":930},[723,2295,934],{"class":809},[723,2297,1455],{"class":813},[723,2299,634],{"class":809},[723,2301,1557],{"class":813},[723,2303,817],{"class":809},[723,2305,817],{"class":809},[723,2307,961],{"class":930},[723,2309,2310],{"class":725,"line":1031},[723,2311,911],{"emptyLinePlaceholder":910},[723,2313,2314,2316],{"class":725,"line":1064},[723,2315,1262],{"class":805},[723,2317,1952],{"class":813},[723,2319,2320],{"class":725,"line":1101},[723,2321,1136],{"class":809},[701,2323,2325],{"id":2324},"error-handling","Error Handling",[604,2327,1772,2328,2331,2332,618,2335,2338,2339,2342,2343,2345,2346,2349,2350,618,2352,618,2355,2358],{},[607,2329,2330],{},"createError"," for structured errors with ",[607,2333,2334],{},"why",[607,2336,2337],{},"fix",", and ",[607,2340,2341],{},"link"," fields. The ",[607,2344,625],{}," middleware catches the throw, records it on the wide event, and bridges it to an ",[607,2347,2348],{},"ORPCError"," so the wire response carries your ",[607,2351,607],{},[607,2353,2354],{},"status",[607,2356,2357],{},"message",", and the human-guidance fields:",[713,2360,2362],{"className":795,"code":2361,"filename":797,"language":798,"meta":719,"style":719},"import { createError } from 'evlog'\n\nconst checkout = base\n  .handler(({ context }) => {\n    context.log.set({ cart: { items: 3, total: 9999 } })\n\n    throw createError({\n      message: 'Payment failed',\n      code: 'PAYMENT_DECLINED',\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",[607,2363,2364,2383,2387,2398,2416,2463,2467,2478,2494,2510,2522,2538,2554,2570,2577],{"__ignoreMap":719},[723,2365,2366,2368,2370,2373,2375,2377,2379,2381],{"class":725,"line":726},[723,2367,806],{"class":805},[723,2369,810],{"class":809},[723,2371,2372],{"class":813}," createError",[723,2374,817],{"class":809},[723,2376,820],{"class":805},[723,2378,823],{"class":809},[723,2380,869],{"class":732},[723,2382,829],{"class":809},[723,2384,2385],{"class":725,"line":832},[723,2386,911],{"emptyLinePlaceholder":910},[723,2388,2389,2391,2394,2396],{"class":725,"line":853},[723,2390,973],{"class":972},[723,2392,2393],{"class":813}," checkout ",[723,2395,979],{"class":809},[723,2397,1368],{"class":813},[723,2399,2400,2402,2404,2406,2408,2410,2412,2414],{"class":725,"line":874},[723,2401,1373],{"class":809},[723,2403,1044],{"class":917},[723,2405,921],{"class":813},[723,2407,1049],{"class":809},[723,2409,1053],{"class":1052},[723,2411,1056],{"class":809},[723,2413,1059],{"class":972},[723,2415,1028],{"class":809},[723,2417,2418,2420,2422,2424,2426,2428,2430,2432,2435,2437,2439,2442,2444,2447,2449,2452,2454,2457,2459,2461],{"class":725,"line":907},[723,2419,1067],{"class":813},[723,2421,634],{"class":809},[723,2423,1072],{"class":813},[723,2425,634],{"class":809},[723,2427,1077],{"class":917},[723,2429,921],{"class":930},[723,2431,1082],{"class":809},[723,2433,2434],{"class":930}," cart",[723,2436,934],{"class":809},[723,2438,810],{"class":809},[723,2440,2441],{"class":930}," items",[723,2443,934],{"class":809},[723,2445,2446],{"class":1299}," 3",[723,2448,883],{"class":809},[723,2450,2451],{"class":930}," total",[723,2453,934],{"class":809},[723,2455,2456],{"class":1299}," 9999",[723,2458,817],{"class":809},[723,2460,817],{"class":809},[723,2462,961],{"class":930},[723,2464,2465],{"class":725,"line":914},[723,2466,911],{"emptyLinePlaceholder":910},[723,2468,2469,2472,2474,2476],{"class":725,"line":927},[723,2470,2471],{"class":805},"    throw",[723,2473,2372],{"class":917},[723,2475,921],{"class":930},[723,2477,924],{"class":809},[723,2479,2480,2483,2485,2487,2490,2492],{"class":725,"line":955},[723,2481,2482],{"class":930},"      message",[723,2484,934],{"class":809},[723,2486,823],{"class":809},[723,2488,2489],{"class":732},"Payment failed",[723,2491,949],{"class":809},[723,2493,1130],{"class":809},[723,2495,2496,2499,2501,2503,2506,2508],{"class":725,"line":964},[723,2497,2498],{"class":930},"      code",[723,2500,934],{"class":809},[723,2502,823],{"class":809},[723,2504,2505],{"class":732},"PAYMENT_DECLINED",[723,2507,949],{"class":809},[723,2509,1130],{"class":809},[723,2511,2512,2515,2517,2520],{"class":725,"line":969},[723,2513,2514],{"class":930},"      status",[723,2516,934],{"class":809},[723,2518,2519],{"class":1299}," 402",[723,2521,1130],{"class":809},[723,2523,2524,2527,2529,2531,2534,2536],{"class":725,"line":1013},[723,2525,2526],{"class":930},"      why",[723,2528,934],{"class":809},[723,2530,823],{"class":809},[723,2532,2533],{"class":732},"Card declined by issuer",[723,2535,949],{"class":809},[723,2537,1130],{"class":809},[723,2539,2540,2543,2545,2547,2550,2552],{"class":725,"line":1018},[723,2541,2542],{"class":930},"      fix",[723,2544,934],{"class":809},[723,2546,823],{"class":809},[723,2548,2549],{"class":732},"Try a different payment method",[723,2551,949],{"class":809},[723,2553,1130],{"class":809},[723,2555,2556,2559,2561,2563,2566,2568],{"class":725,"line":1031},[723,2557,2558],{"class":930},"      link",[723,2560,934],{"class":809},[723,2562,823],{"class":809},[723,2564,2565],{"class":732},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[723,2567,949],{"class":809},[723,2569,1130],{"class":809},[723,2571,2572,2575],{"class":725,"line":1064},[723,2573,2574],{"class":809},"    }",[723,2576,961],{"class":930},[723,2578,2579,2581],{"class":725,"line":1101},[723,2580,1124],{"class":809},[723,2582,961],{"class":813},[604,2584,2585],{},"The error is captured and logged with both the custom context and structured error fields:",[713,2587,2589],{"className":715,"code":2588,"filename":1695,"language":718,"meta":719,"style":719},"14:58:20 ERROR [my-rpc] POST \u002Frpc\u002Fcheckout 402 in 3ms\n  ├─ operation: checkout\n  ├─ error: name=EvlogError code=PAYMENT_DECLINED status=402 message=Payment failed\n  ├─ cart: items=3 total=9999\n  └─ requestId: 880a50ac-...\n",[607,2590,2591,2602,2611,2636,2655],{"__ignoreMap":719},[723,2592,2593,2596,2599],{"class":725,"line":726},[723,2594,2595],{"class":729},"14:58:20",[723,2597,2598],{"class":732}," ERROR",[723,2600,2601],{"class":813}," [my-rpc] POST \u002Frpc\u002Fcheckout 402 in 3ms\n",[723,2603,2604,2606,2608],{"class":725,"line":832},[723,2605,1713],{"class":729},[723,2607,1716],{"class":732},[723,2609,2610],{"class":732}," checkout\n",[723,2612,2613,2615,2618,2621,2624,2627,2630,2633],{"class":725,"line":853},[723,2614,1713],{"class":729},[723,2616,2617],{"class":732}," error:",[723,2619,2620],{"class":732}," name=EvlogError",[723,2622,2623],{"class":732}," code=PAYMENT_DECLINED",[723,2625,2626],{"class":732}," status=",[723,2628,2629],{"class":1299},"402",[723,2631,2632],{"class":732}," message=Payment",[723,2634,2635],{"class":732}," failed\n",[723,2637,2638,2640,2643,2646,2649,2652],{"class":725,"line":874},[723,2639,1713],{"class":729},[723,2641,2642],{"class":732}," cart:",[723,2644,2645],{"class":732}," items=",[723,2647,2648],{"class":1299},"3",[723,2650,2651],{"class":732}," total=",[723,2653,2654],{"class":1299},"9999\n",[723,2656,2657,2659,2661],{"class":725,"line":907},[723,2658,1759],{"class":729},[723,2660,1762],{"class":732},[723,2662,2663],{"class":732}," 880a50ac-...\n",[604,2665,2666],{},"Wire response returned to the client:",[713,2668,2673],{"className":2669,"code":2670,"filename":2671,"language":2672,"meta":719,"style":719},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"defined\": false,\n  \"code\": \"PAYMENT_DECLINED\",\n  \"status\": 402,\n  \"message\": \"Payment failed\",\n  \"data\": {\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","HTTP 402","json",[607,2674,2675,2679,2695,2714,2728,2746,2759,2778,2796,2813,2818],{"__ignoreMap":719},[723,2676,2677],{"class":725,"line":726},[723,2678,924],{"class":809},[723,2680,2681,2684,2687,2690,2692],{"class":725,"line":832},[723,2682,2683],{"class":809},"  \"",[723,2685,2686],{"class":972},"defined",[723,2688,2689],{"class":809},"\"",[723,2691,934],{"class":809},[723,2693,2694],{"class":809}," false,\n",[723,2696,2697,2699,2701,2703,2705,2708,2710,2712],{"class":725,"line":853},[723,2698,2683],{"class":809},[723,2700,607],{"class":972},[723,2702,2689],{"class":809},[723,2704,934],{"class":809},[723,2706,2707],{"class":809}," \"",[723,2709,2505],{"class":732},[723,2711,2689],{"class":809},[723,2713,1130],{"class":809},[723,2715,2716,2718,2720,2722,2724,2726],{"class":725,"line":874},[723,2717,2683],{"class":809},[723,2719,2354],{"class":972},[723,2721,2689],{"class":809},[723,2723,934],{"class":809},[723,2725,2519],{"class":1299},[723,2727,1130],{"class":809},[723,2729,2730,2732,2734,2736,2738,2740,2742,2744],{"class":725,"line":907},[723,2731,2683],{"class":809},[723,2733,2357],{"class":972},[723,2735,2689],{"class":809},[723,2737,934],{"class":809},[723,2739,2707],{"class":809},[723,2741,2489],{"class":732},[723,2743,2689],{"class":809},[723,2745,1130],{"class":809},[723,2747,2748,2750,2753,2755,2757],{"class":725,"line":914},[723,2749,2683],{"class":809},[723,2751,2752],{"class":972},"data",[723,2754,2689],{"class":809},[723,2756,934],{"class":809},[723,2758,1028],{"class":809},[723,2760,2761,2764,2766,2768,2770,2772,2774,2776],{"class":725,"line":927},[723,2762,2763],{"class":809},"    \"",[723,2765,2334],{"class":729},[723,2767,2689],{"class":809},[723,2769,934],{"class":809},[723,2771,2707],{"class":809},[723,2773,2533],{"class":732},[723,2775,2689],{"class":809},[723,2777,1130],{"class":809},[723,2779,2780,2782,2784,2786,2788,2790,2792,2794],{"class":725,"line":955},[723,2781,2763],{"class":809},[723,2783,2337],{"class":729},[723,2785,2689],{"class":809},[723,2787,934],{"class":809},[723,2789,2707],{"class":809},[723,2791,2549],{"class":732},[723,2793,2689],{"class":809},[723,2795,1130],{"class":809},[723,2797,2798,2800,2802,2804,2806,2808,2810],{"class":725,"line":964},[723,2799,2763],{"class":809},[723,2801,2341],{"class":729},[723,2803,2689],{"class":809},[723,2805,934],{"class":809},[723,2807,2707],{"class":809},[723,2809,2565],{"class":732},[723,2811,2812],{"class":809},"\"\n",[723,2814,2815],{"class":725,"line":969},[723,2816,2817],{"class":809},"  }\n",[723,2819,2820],{"class":725,"line":1013},[723,2821,1136],{"class":809},[636,2823,2824,2825,2828,2829,2832,2833,2836,2837,2839,2840,2839,2842,2844,2845,2847,2848,2850,2851,2857],{"color":638,"icon":13},"oRPC's error envelope is ",[607,2826,2827],{},"{ defined, code, status, message, data }",". Clients deserialize errors as a typed union via ",[607,2830,2831],{},"safe()"," from ",[607,2834,2835],{},"@orpc\u002Fclient",". evlog follows the protocol, so ",[607,2838,2334],{},"\u002F",[607,2841,2337],{},[607,2843,2341],{}," live under ",[607,2846,2752],{}," instead of at the response root. The authoring API (",[607,2849,2330],{}," \u002F ",[645,2852,2854],{"href":2853},"\u002Flearn\u002Fstructured-errors#error-catalogs",[607,2855,2856],{},"defineErrorCatalog",") is identical to the rest of evlog.",[701,2859,543],{"id":2860},"configuration",[604,2862,2863,2864,2867,2868,2870],{},"See the ",[645,2865,2866],{"href":544},"Configuration reference"," for all available options (",[607,2869,918],{},", middleware options, sampling, silent mode, etc.).",[701,2872,2874],{"id":2873},"drain-enrichers","Drain & Enrichers",[604,2876,2877,2878,2881],{},"Configure drain adapters and enrichers directly in the ",[607,2879,2880],{},"withEvlog()"," options:",[713,2883,2885],{"className":795,"code":2884,"filename":797,"language":798,"meta":719,"style":719},"import { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\n\nconst userAgent = createUserAgentEnricher()\n\nconst handler = withEvlog(new RPCHandler(router), {\n  drain: createAxiomDrain(),\n  enrich: (ctx) => {\n    userAgent(ctx)\n    ctx.event.region = process.env.FLY_REGION\n  },\n})\n",[607,2886,2887,2907,2927,2931,2944,2948,2971,2984,3003,3014,3044,3049],{"__ignoreMap":719},[723,2888,2889,2891,2893,2896,2898,2900,2902,2905],{"class":725,"line":726},[723,2890,806],{"class":805},[723,2892,810],{"class":809},[723,2894,2895],{"class":813}," createAxiomDrain",[723,2897,817],{"class":809},[723,2899,820],{"class":805},[723,2901,823],{"class":809},[723,2903,2904],{"class":732},"evlog\u002Faxiom",[723,2906,829],{"class":809},[723,2908,2909,2911,2913,2916,2918,2920,2922,2925],{"class":725,"line":832},[723,2910,806],{"class":805},[723,2912,810],{"class":809},[723,2914,2915],{"class":813}," createUserAgentEnricher",[723,2917,817],{"class":809},[723,2919,820],{"class":805},[723,2921,823],{"class":809},[723,2923,2924],{"class":732},"evlog\u002Fenrichers",[723,2926,829],{"class":809},[723,2928,2929],{"class":725,"line":853},[723,2930,911],{"emptyLinePlaceholder":910},[723,2932,2933,2935,2938,2940,2942],{"class":725,"line":874},[723,2934,973],{"class":972},[723,2936,2937],{"class":813}," userAgent ",[723,2939,979],{"class":809},[723,2941,2915],{"class":917},[723,2943,1842],{"class":813},[723,2945,2946],{"class":725,"line":907},[723,2947,911],{"emptyLinePlaceholder":910},[723,2949,2950,2952,2954,2956,2958,2960,2962,2964,2967,2969],{"class":725,"line":914},[723,2951,973],{"class":972},[723,2953,1149],{"class":813},[723,2955,979],{"class":809},[723,2957,886],{"class":917},[723,2959,921],{"class":813},[723,2961,1158],{"class":809},[723,2963,839],{"class":917},[723,2965,2966],{"class":813},"(router)",[723,2968,883],{"class":809},[723,2970,1028],{"class":809},[723,2972,2973,2976,2978,2980,2982],{"class":725,"line":927},[723,2974,2975],{"class":930},"  drain",[723,2977,934],{"class":809},[723,2979,2895],{"class":917},[723,2981,998],{"class":813},[723,2983,1130],{"class":809},[723,2985,2986,2989,2991,2994,2997,2999,3001],{"class":725,"line":955},[723,2987,2988],{"class":917},"  enrich",[723,2990,934],{"class":809},[723,2992,2993],{"class":809}," (",[723,2995,2996],{"class":1052},"ctx",[723,2998,1127],{"class":809},[723,3000,1059],{"class":972},[723,3002,1028],{"class":809},[723,3004,3005,3008,3010,3012],{"class":725,"line":964},[723,3006,3007],{"class":917},"    userAgent",[723,3009,921],{"class":930},[723,3011,2996],{"class":813},[723,3013,961],{"class":930},[723,3015,3016,3019,3021,3024,3026,3029,3031,3034,3036,3039,3041],{"class":725,"line":969},[723,3017,3018],{"class":813},"    ctx",[723,3020,634],{"class":809},[723,3022,3023],{"class":813},"event",[723,3025,634],{"class":809},[723,3027,3028],{"class":813},"region",[723,3030,1221],{"class":809},[723,3032,3033],{"class":813}," process",[723,3035,634],{"class":809},[723,3037,3038],{"class":813},"env",[723,3040,634],{"class":809},[723,3042,3043],{"class":813},"FLY_REGION\n",[723,3045,3046],{"class":725,"line":1013},[723,3047,3048],{"class":809},"  },\n",[723,3050,3051,3053],{"class":725,"line":1018},[723,3052,958],{"class":809},[723,3054,961],{"class":813},[705,3056,3058],{"id":3057},"pipeline-batching-retry","Pipeline (Batching & Retry)",[604,3060,3061,3062,3065],{},"For production, wrap your adapter with ",[607,3063,3064],{},"createDrainPipeline"," to batch events and retry on failure:",[713,3067,3069],{"className":795,"code":3068,"filename":797,"language":798,"meta":719,"style":719},"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\nconst handler = withEvlog(new RPCHandler(router), { drain })\n",[607,3070,3071,3092,3110,3130,3134,3156,3185,3203,3209,3228,3232],{"__ignoreMap":719},[723,3072,3073,3075,3077,3079,3082,3084,3086,3088,3090],{"class":725,"line":726},[723,3074,806],{"class":805},[723,3076,891],{"class":805},[723,3078,810],{"class":809},[723,3080,3081],{"class":813}," DrainContext",[723,3083,817],{"class":809},[723,3085,820],{"class":805},[723,3087,823],{"class":809},[723,3089,869],{"class":732},[723,3091,829],{"class":809},[723,3093,3094,3096,3098,3100,3102,3104,3106,3108],{"class":725,"line":832},[723,3095,806],{"class":805},[723,3097,810],{"class":809},[723,3099,2895],{"class":813},[723,3101,817],{"class":809},[723,3103,820],{"class":805},[723,3105,823],{"class":809},[723,3107,2904],{"class":732},[723,3109,829],{"class":809},[723,3111,3112,3114,3116,3119,3121,3123,3125,3128],{"class":725,"line":853},[723,3113,806],{"class":805},[723,3115,810],{"class":809},[723,3117,3118],{"class":813}," createDrainPipeline",[723,3120,817],{"class":809},[723,3122,820],{"class":805},[723,3124,823],{"class":809},[723,3126,3127],{"class":732},"evlog\u002Fpipeline",[723,3129,829],{"class":809},[723,3131,3132],{"class":725,"line":874},[723,3133,911],{"emptyLinePlaceholder":910},[723,3135,3136,3138,3141,3143,3145,3147,3150,3152,3154],{"class":725,"line":907},[723,3137,973],{"class":972},[723,3139,3140],{"class":813}," pipeline ",[723,3142,979],{"class":809},[723,3144,3118],{"class":917},[723,3146,989],{"class":809},[723,3148,3149],{"class":729},"DrainContext",[723,3151,995],{"class":809},[723,3153,921],{"class":813},[723,3155,924],{"class":809},[723,3157,3158,3161,3163,3165,3168,3170,3173,3175,3178,3180,3183],{"class":725,"line":914},[723,3159,3160],{"class":930},"  batch",[723,3162,934],{"class":809},[723,3164,810],{"class":809},[723,3166,3167],{"class":930}," size",[723,3169,934],{"class":809},[723,3171,3172],{"class":1299}," 50",[723,3174,883],{"class":809},[723,3176,3177],{"class":930}," intervalMs",[723,3179,934],{"class":809},[723,3181,3182],{"class":1299}," 5000",[723,3184,952],{"class":809},[723,3186,3187,3190,3192,3194,3197,3199,3201],{"class":725,"line":927},[723,3188,3189],{"class":930},"  retry",[723,3191,934],{"class":809},[723,3193,810],{"class":809},[723,3195,3196],{"class":930}," maxAttempts",[723,3198,934],{"class":809},[723,3200,2446],{"class":1299},[723,3202,952],{"class":809},[723,3204,3205,3207],{"class":725,"line":955},[723,3206,958],{"class":809},[723,3208,961],{"class":813},[723,3210,3211,3213,3216,3218,3221,3223,3226],{"class":725,"line":964},[723,3212,973],{"class":972},[723,3214,3215],{"class":813}," drain ",[723,3217,979],{"class":809},[723,3219,3220],{"class":917}," pipeline",[723,3222,921],{"class":813},[723,3224,3225],{"class":917},"createAxiomDrain",[723,3227,1010],{"class":813},[723,3229,3230],{"class":725,"line":969},[723,3231,911],{"emptyLinePlaceholder":910},[723,3233,3234,3236,3238,3240,3242,3244,3246,3248,3250,3252,3254,3256,3258],{"class":725,"line":1013},[723,3235,973],{"class":972},[723,3237,1149],{"class":813},[723,3239,979],{"class":809},[723,3241,886],{"class":917},[723,3243,921],{"class":813},[723,3245,1158],{"class":809},[723,3247,839],{"class":917},[723,3249,2966],{"class":813},[723,3251,883],{"class":809},[723,3253,810],{"class":809},[723,3255,3215],{"class":813},[723,3257,958],{"class":809},[723,3259,961],{"class":813},[636,3261,3262,3263,3266,3267,3270],{"color":638,"icon":13},"Call ",[607,3264,3265],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[645,3268,3269],{"href":531},"Pipeline docs"," for all options.",[701,3272,3274],{"id":3273},"tail-sampling","Tail Sampling",[604,3276,1772,3277,3280],{},[607,3278,3279],{},"keep"," to force-retain specific events regardless of head sampling:",[713,3282,3284],{"className":795,"code":3283,"filename":797,"language":798,"meta":719,"style":719},"const handler = withEvlog(new RPCHandler(router), {\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[607,3285,3286,3308,3320,3337,3381,3385],{"__ignoreMap":719},[723,3287,3288,3290,3292,3294,3296,3298,3300,3302,3304,3306],{"class":725,"line":726},[723,3289,973],{"class":972},[723,3291,1149],{"class":813},[723,3293,979],{"class":809},[723,3295,886],{"class":917},[723,3297,921],{"class":813},[723,3299,1158],{"class":809},[723,3301,839],{"class":917},[723,3303,2966],{"class":813},[723,3305,883],{"class":809},[723,3307,1028],{"class":809},[723,3309,3310,3312,3314,3316,3318],{"class":725,"line":832},[723,3311,2975],{"class":930},[723,3313,934],{"class":809},[723,3315,2895],{"class":917},[723,3317,998],{"class":813},[723,3319,1130],{"class":809},[723,3321,3322,3325,3327,3329,3331,3333,3335],{"class":725,"line":853},[723,3323,3324],{"class":917},"  keep",[723,3326,934],{"class":809},[723,3328,2993],{"class":809},[723,3330,2996],{"class":1052},[723,3332,1127],{"class":809},[723,3334,1059],{"class":972},[723,3336,1028],{"class":809},[723,3338,3339,3342,3344,3346,3348,3351,3354,3357,3359,3361,3364,3367,3369,3371,3373,3376,3378],{"class":725,"line":874},[723,3340,3341],{"class":805},"    if",[723,3343,2993],{"class":930},[723,3345,2996],{"class":813},[723,3347,634],{"class":809},[723,3349,3350],{"class":813},"duration",[723,3352,3353],{"class":809}," &&",[723,3355,3356],{"class":813}," ctx",[723,3358,634],{"class":809},[723,3360,3350],{"class":813},[723,3362,3363],{"class":809}," >",[723,3365,3366],{"class":1299}," 2000",[723,3368,1647],{"class":930},[723,3370,2996],{"class":813},[723,3372,634],{"class":809},[723,3374,3375],{"class":813},"shouldKeep",[723,3377,1221],{"class":809},[723,3379,3380],{"class":1114}," true\n",[723,3382,3383],{"class":725,"line":907},[723,3384,3048],{"class":809},[723,3386,3387,3389],{"class":725,"line":914},[723,3388,958],{"class":809},[723,3390,961],{"class":813},[701,3392,3394],{"id":3393},"route-filtering","Route Filtering",[604,3396,3397,2850,3400,3403],{},[607,3398,3399],{},"include",[607,3401,3402],{},"exclude"," match against the HTTP path (the request URL), not the procedure name:",[713,3405,3407],{"className":795,"code":3406,"filename":797,"language":798,"meta":719,"style":719},"const handler = withEvlog(new RPCHandler(router), {\n  include: ['\u002Frpc\u002F**'],\n  exclude: ['\u002Frpc\u002F_internal\u002F**', '\u002Fhealth'],\n  routes: {\n    '\u002Frpc\u002Fauth\u002F**': { service: 'auth-service' },\n    '\u002Frpc\u002Fpayment\u002F**': { service: 'payment-service' },\n  },\n})\n",[607,3408,3409,3431,3453,3482,3491,3518,3544,3548],{"__ignoreMap":719},[723,3410,3411,3413,3415,3417,3419,3421,3423,3425,3427,3429],{"class":725,"line":726},[723,3412,973],{"class":972},[723,3414,1149],{"class":813},[723,3416,979],{"class":809},[723,3418,886],{"class":917},[723,3420,921],{"class":813},[723,3422,1158],{"class":809},[723,3424,839],{"class":917},[723,3426,2966],{"class":813},[723,3428,883],{"class":809},[723,3430,1028],{"class":809},[723,3432,3433,3436,3438,3441,3443,3446,3448,3451],{"class":725,"line":832},[723,3434,3435],{"class":930},"  include",[723,3437,934],{"class":809},[723,3439,3440],{"class":813}," [",[723,3442,949],{"class":809},[723,3444,3445],{"class":732},"\u002Frpc\u002F**",[723,3447,949],{"class":809},[723,3449,3450],{"class":813},"]",[723,3452,1130],{"class":809},[723,3454,3455,3458,3460,3462,3464,3467,3469,3471,3473,3476,3478,3480],{"class":725,"line":853},[723,3456,3457],{"class":930},"  exclude",[723,3459,934],{"class":809},[723,3461,3440],{"class":813},[723,3463,949],{"class":809},[723,3465,3466],{"class":732},"\u002Frpc\u002F_internal\u002F**",[723,3468,949],{"class":809},[723,3470,883],{"class":809},[723,3472,823],{"class":809},[723,3474,3475],{"class":732},"\u002Fhealth",[723,3477,949],{"class":809},[723,3479,3450],{"class":813},[723,3481,1130],{"class":809},[723,3483,3484,3487,3489],{"class":725,"line":874},[723,3485,3486],{"class":930},"  routes",[723,3488,934],{"class":809},[723,3490,1028],{"class":809},[723,3492,3493,3496,3499,3501,3503,3505,3507,3509,3511,3514,3516],{"class":725,"line":907},[723,3494,3495],{"class":809},"    '",[723,3497,3498],{"class":930},"\u002Frpc\u002Fauth\u002F**",[723,3500,949],{"class":809},[723,3502,934],{"class":809},[723,3504,810],{"class":809},[723,3506,939],{"class":930},[723,3508,934],{"class":809},[723,3510,823],{"class":809},[723,3512,3513],{"class":732},"auth-service",[723,3515,949],{"class":809},[723,3517,952],{"class":809},[723,3519,3520,3522,3525,3527,3529,3531,3533,3535,3537,3540,3542],{"class":725,"line":914},[723,3521,3495],{"class":809},[723,3523,3524],{"class":930},"\u002Frpc\u002Fpayment\u002F**",[723,3526,949],{"class":809},[723,3528,934],{"class":809},[723,3530,810],{"class":809},[723,3532,939],{"class":930},[723,3534,934],{"class":809},[723,3536,823],{"class":809},[723,3538,3539],{"class":732},"payment-service",[723,3541,949],{"class":809},[723,3543,952],{"class":809},[723,3545,3546],{"class":725,"line":927},[723,3547,3048],{"class":809},[723,3549,3550,3552],{"class":725,"line":955},[723,3551,958],{"class":809},[723,3553,961],{"class":813},[604,3555,3556,3557,3559],{},"When a route is filtered out, the wrapper still injects a no-op ",[607,3558,629],{},", so procedures never crash on missing fields. The wide event simply isn't emitted, and drain\u002Fenrich aren't called.",[701,3561,3563],{"id":3562},"run-locally","Run Locally",[713,3565,3568],{"className":715,"code":3566,"filename":3567,"language":718,"meta":719,"style":719},"git clone https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog.git\ncd evlog\npnpm install\npnpm example orpc\n","Terminal",[607,3569,3570,3581,3589,3596],{"__ignoreMap":719},[723,3571,3572,3575,3578],{"class":725,"line":726},[723,3573,3574],{"class":729},"git",[723,3576,3577],{"class":732}," clone",[723,3579,3580],{"class":732}," https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog.git\n",[723,3582,3583,3586],{"class":725,"line":832},[723,3584,3585],{"class":917},"cd",[723,3587,3588],{"class":732}," evlog\n",[723,3590,3591,3593],{"class":725,"line":853},[723,3592,717],{"class":729},[723,3594,3595],{"class":732}," install\n",[723,3597,3598,3600,3603],{"class":725,"line":874},[723,3599,717],{"class":729},[723,3601,3602],{"class":732}," example",[723,3604,3605],{"class":732}," orpc\n",[604,3607,3608,3609,3613],{},"Open ",[645,3610,3611],{"href":3611,"rel":3612},"http:\u002F\u002Flocalhost:3000",[649]," to explore the interactive test UI.",[3615,3616,3617],"card-group",{},[3618,3619,3623],"card",{"icon":3620,"title":3621,"to":3622},"i-simple-icons-github","Source Code","https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Ftree\u002Fmain\u002Fexamples\u002Forpc","Browse the complete oRPC example source on GitHub.",[701,3625,3627],{"id":3626},"next-steps","Next Steps",[604,3629,3630,3631,3633],{},"Deepen your ",[640,3632,309],{}," integration:",[664,3635,3636,3641,3646,3651],{},[667,3637,3638,3640],{},[645,3639,51],{"href":52},": Design comprehensive events with context layering",[667,3642,3643,3645],{},[645,3644,148],{"href":153},": Send logs to Axiom, Sentry, PostHog, and more",[667,3647,3648,3650],{},[645,3649,66],{"href":67},": Control log volume with head and tail 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