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Install",[618,619,620,645,659,673],"code-group",{},[621,622,628],"pre",{"className":623,"code":624,"filename":625,"language":626,"meta":627,"style":627},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog\n","pnpm","bash","",[539,629,630],{"__ignoreMap":627},[631,632,635,638,642],"span",{"class":633,"line":634},"line",1,[631,636,625],{"class":637},"sBMFI",[631,639,641],{"class":640},"sfazB"," add",[631,643,644],{"class":640}," evlog\n",[621,646,649],{"className":623,"code":647,"filename":648,"language":626,"meta":627,"style":627},"bun add evlog\n","bun",[539,650,651],{"__ignoreMap":627},[631,652,653,655,657],{"class":633,"line":634},[631,654,648],{"class":637},[631,656,641],{"class":640},[631,658,644],{"class":640},[621,660,663],{"className":623,"code":661,"filename":662,"language":626,"meta":627,"style":627},"yarn add evlog\n","yarn",[539,664,665],{"__ignoreMap":627},[631,666,667,669,671],{"class":633,"line":634},[631,668,662],{"class":637},[631,670,641],{"class":640},[631,672,644],{"class":640},[621,674,677],{"className":623,"code":675,"filename":676,"language":626,"meta":627,"style":627},"npm install evlog\n","npm",[539,678,679],{"__ignoreMap":627},[631,680,681,683,686],{"class":633,"line":634},[631,682,676],{"class":637},[631,684,685],{"class":640}," install",[631,687,644],{"class":640},[613,689,691],{"id":690},"_2-wrap-your-fetch-handler","2. Wrap your fetch handler",[621,693,698],{"className":694,"code":695,"filename":696,"language":697,"meta":627,"style":627},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { initWorkersLogger, withEvlog } from 'evlog\u002Fworkers'\n\ninitWorkersLogger({\n  env: { service: 'my-worker' },\n})\n\nexport default withEvlog(async (request, _env, _ctx, log) => {\n  log.set({ action: 'handle_request' })\n\n  \u002F\u002F ... your handler logic\n\n  return Response.json({ ok: true })\n})\n","src\u002Fworker.ts","typescript",[539,699,700,734,741,754,782,791,796,844,877,882,889,894,925],{"__ignoreMap":627},[631,701,702,706,710,714,717,720,723,726,729,731],{"class":633,"line":634},[631,703,705],{"class":704},"s7zQu","import",[631,707,709],{"class":708},"sMK4o"," {",[631,711,713],{"class":712},"sTEyZ"," initWorkersLogger",[631,715,716],{"class":708},",",[631,718,719],{"class":712}," withEvlog",[631,721,722],{"class":708}," }",[631,724,725],{"class":704}," from",[631,727,728],{"class":708}," '",[631,730,541],{"class":640},[631,732,733],{"class":708},"'\n",[631,735,737],{"class":633,"line":736},2,[631,738,740],{"emptyLinePlaceholder":739},true,"\n",[631,742,744,748,751],{"class":633,"line":743},3,[631,745,747],{"class":746},"s2Zo4","initWorkersLogger",[631,749,750],{"class":712},"(",[631,752,753],{"class":708},"{\n",[631,755,757,761,764,766,769,771,773,776,779],{"class":633,"line":756},4,[631,758,760],{"class":759},"swJcz","  env",[631,762,763],{"class":708},":",[631,765,709],{"class":708},[631,767,768],{"class":759}," service",[631,770,763],{"class":708},[631,772,728],{"class":708},[631,774,775],{"class":640},"my-worker",[631,777,778],{"class":708},"'",[631,780,781],{"class":708}," },\n",[631,783,785,788],{"class":633,"line":784},5,[631,786,787],{"class":708},"}",[631,789,790],{"class":712},")\n",[631,792,794],{"class":633,"line":793},6,[631,795,740],{"emptyLinePlaceholder":739},[631,797,799,802,805,807,809,813,816,820,822,825,827,830,832,835,838,841],{"class":633,"line":798},7,[631,800,801],{"class":704},"export",[631,803,804],{"class":704}," default",[631,806,719],{"class":746},[631,808,750],{"class":712},[631,810,812],{"class":811},"spNyl","async",[631,814,815],{"class":708}," (",[631,817,819],{"class":818},"sHdIc","request",[631,821,716],{"class":708},[631,823,824],{"class":818}," _env",[631,826,716],{"class":708},[631,828,829],{"class":818}," _ctx",[631,831,716],{"class":708},[631,833,834],{"class":818}," log",[631,836,837],{"class":708},")",[631,839,840],{"class":811}," =>",[631,842,843],{"class":708}," {\n",[631,845,847,850,853,856,858,861,864,866,868,871,873,875],{"class":633,"line":846},8,[631,848,849],{"class":712},"  log",[631,851,852],{"class":708},".",[631,854,855],{"class":746},"set",[631,857,750],{"class":759},[631,859,860],{"class":708},"{",[631,862,863],{"class":759}," action",[631,865,763],{"class":708},[631,867,728],{"class":708},[631,869,870],{"class":640},"handle_request",[631,872,778],{"class":708},[631,874,722],{"class":708},[631,876,790],{"class":759},[631,878,880],{"class":633,"line":879},9,[631,881,740],{"emptyLinePlaceholder":739},[631,883,885],{"class":633,"line":884},10,[631,886,888],{"class":887},"sHwdD","  \u002F\u002F ... your handler logic\n",[631,890,892],{"class":633,"line":891},11,[631,893,740],{"emptyLinePlaceholder":739},[631,895,897,900,903,905,908,910,912,915,917,921,923],{"class":633,"line":896},12,[631,898,899],{"class":704},"  return",[631,901,902],{"class":712}," Response",[631,904,852],{"class":708},[631,906,907],{"class":746},"json",[631,909,750],{"class":759},[631,911,860],{"class":708},[631,913,914],{"class":759}," ok",[631,916,763],{"class":708},[631,918,920],{"class":919},"sfNiH"," true",[631,922,722],{"class":708},[631,924,790],{"class":759},[631,926,928,930],{"class":633,"line":927},13,[631,929,787],{"class":708},[631,931,790],{"class":712},[535,933,934,936,937,940,941,944,945,950,951,954],{},[539,935,551],{}," emits one wide event per request when the handler returns, with no manual ",[539,938,939],{},"log.emit()",". It reads ",[539,942,943],{},"ExecutionContext"," off the third argument, so async ",[547,946,947],{},[539,948,949],{},"drain"," calls (PostHog, Axiom, …) are registered with ",[539,952,953],{},"waitUntil"," and stay alive after the response is returned. Streaming responses defer the emit until the body completes.",[535,956,957,960,961,964,965,968,969,972,973,972,976,972,978,981,982,985],{},[539,958,959],{},"requestId"," comes from ",[539,962,963],{},"x-request-id"," when the caller sends one, falling back to ",[539,966,967],{},"cf-ray",". ",[539,970,971],{},"method",", ",[539,974,975],{},"path",[539,977,967],{},[539,979,980],{},"traceparent"," and the safe subset of ",[539,983,984],{},"request.cf"," are captured automatically.",[613,987,332],{"id":988},"options",[535,990,991,993],{},[539,992,551],{}," accepts the same options as every other framework integration:",[621,995,997],{"className":694,"code":996,"filename":696,"language":697,"meta":627,"style":627},"import { initWorkersLogger, withEvlog } from 'evlog\u002Fworkers'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\ninitWorkersLogger({ env: { service: 'my-worker' } })\n\nexport default withEvlog(\n  async (request, env, ctx, log) => {\n    log.set({ route: 'checkout' })\n    return Response.json({ ok: true })\n  },\n  {\n    drain: createAxiomDrain(),\n    exclude: ['\u002Fhealth'],\n    routes: { '\u002Fapi\u002F**': { service: 'api' } },\n    redact: true,\n    enrich: (ctx) => {\n      ctx.event.colo = ctx.event.colo ?? 'unknown'\n    },\n    keep: (ctx) => {\n      if (ctx.duration > 1000) ctx.shouldKeep = true\n    },\n  },\n)\n",[539,998,999,1021,1041,1045,1076,1080,1091,1119,1148,1173,1178,1183,1198,1220,1256,1268,1287,1326,1332,1350,1387,1392,1397],{"__ignoreMap":627},[631,1000,1001,1003,1005,1007,1009,1011,1013,1015,1017,1019],{"class":633,"line":634},[631,1002,705],{"class":704},[631,1004,709],{"class":708},[631,1006,713],{"class":712},[631,1008,716],{"class":708},[631,1010,719],{"class":712},[631,1012,722],{"class":708},[631,1014,725],{"class":704},[631,1016,728],{"class":708},[631,1018,541],{"class":640},[631,1020,733],{"class":708},[631,1022,1023,1025,1027,1030,1032,1034,1036,1039],{"class":633,"line":736},[631,1024,705],{"class":704},[631,1026,709],{"class":708},[631,1028,1029],{"class":712}," createAxiomDrain",[631,1031,722],{"class":708},[631,1033,725],{"class":704},[631,1035,728],{"class":708},[631,1037,1038],{"class":640},"evlog\u002Faxiom",[631,1040,733],{"class":708},[631,1042,1043],{"class":633,"line":743},[631,1044,740],{"emptyLinePlaceholder":739},[631,1046,1047,1049,1051,1053,1056,1058,1060,1062,1064,1066,1068,1070,1072,1074],{"class":633,"line":756},[631,1048,747],{"class":746},[631,1050,750],{"class":712},[631,1052,860],{"class":708},[631,1054,1055],{"class":759}," env",[631,1057,763],{"class":708},[631,1059,709],{"class":708},[631,1061,768],{"class":759},[631,1063,763],{"class":708},[631,1065,728],{"class":708},[631,1067,775],{"class":640},[631,1069,778],{"class":708},[631,1071,722],{"class":708},[631,1073,722],{"class":708},[631,1075,790],{"class":712},[631,1077,1078],{"class":633,"line":784},[631,1079,740],{"emptyLinePlaceholder":739},[631,1081,1082,1084,1086,1088],{"class":633,"line":793},[631,1083,801],{"class":704},[631,1085,804],{"class":704},[631,1087,719],{"class":746},[631,1089,1090],{"class":712},"(\n",[631,1092,1093,1096,1098,1100,1102,1104,1106,1109,1111,1113,1115,1117],{"class":633,"line":798},[631,1094,1095],{"class":811},"  async",[631,1097,815],{"class":708},[631,1099,819],{"class":818},[631,1101,716],{"class":708},[631,1103,1055],{"class":818},[631,1105,716],{"class":708},[631,1107,1108],{"class":818}," ctx",[631,1110,716],{"class":708},[631,1112,834],{"class":818},[631,1114,837],{"class":708},[631,1116,840],{"class":811},[631,1118,843],{"class":708},[631,1120,1121,1124,1126,1128,1130,1132,1135,1137,1139,1142,1144,1146],{"class":633,"line":846},[631,1122,1123],{"class":712},"    log",[631,1125,852],{"class":708},[631,1127,855],{"class":746},[631,1129,750],{"class":759},[631,1131,860],{"class":708},[631,1133,1134],{"class":759}," route",[631,1136,763],{"class":708},[631,1138,728],{"class":708},[631,1140,1141],{"class":640},"checkout",[631,1143,778],{"class":708},[631,1145,722],{"class":708},[631,1147,790],{"class":759},[631,1149,1150,1153,1155,1157,1159,1161,1163,1165,1167,1169,1171],{"class":633,"line":879},[631,1151,1152],{"class":704},"    return",[631,1154,902],{"class":712},[631,1156,852],{"class":708},[631,1158,907],{"class":746},[631,1160,750],{"class":759},[631,1162,860],{"class":708},[631,1164,914],{"class":759},[631,1166,763],{"class":708},[631,1168,920],{"class":919},[631,1170,722],{"class":708},[631,1172,790],{"class":759},[631,1174,1175],{"class":633,"line":884},[631,1176,1177],{"class":708},"  },\n",[631,1179,1180],{"class":633,"line":891},[631,1181,1182],{"class":708},"  {\n",[631,1184,1185,1188,1190,1192,1195],{"class":633,"line":896},[631,1186,1187],{"class":759},"    drain",[631,1189,763],{"class":708},[631,1191,1029],{"class":746},[631,1193,1194],{"class":712},"()",[631,1196,1197],{"class":708},",\n",[631,1199,1200,1203,1205,1208,1210,1213,1215,1218],{"class":633,"line":927},[631,1201,1202],{"class":759},"    exclude",[631,1204,763],{"class":708},[631,1206,1207],{"class":712}," [",[631,1209,778],{"class":708},[631,1211,1212],{"class":640},"\u002Fhealth",[631,1214,778],{"class":708},[631,1216,1217],{"class":712},"]",[631,1219,1197],{"class":708},[631,1221,1223,1226,1228,1230,1232,1235,1237,1239,1241,1243,1245,1247,1250,1252,1254],{"class":633,"line":1222},14,[631,1224,1225],{"class":759},"    routes",[631,1227,763],{"class":708},[631,1229,709],{"class":708},[631,1231,728],{"class":708},[631,1233,1234],{"class":759},"\u002Fapi\u002F**",[631,1236,778],{"class":708},[631,1238,763],{"class":708},[631,1240,709],{"class":708},[631,1242,768],{"class":759},[631,1244,763],{"class":708},[631,1246,728],{"class":708},[631,1248,1249],{"class":640},"api",[631,1251,778],{"class":708},[631,1253,722],{"class":708},[631,1255,781],{"class":708},[631,1257,1259,1262,1264,1266],{"class":633,"line":1258},15,[631,1260,1261],{"class":759},"    redact",[631,1263,763],{"class":708},[631,1265,920],{"class":919},[631,1267,1197],{"class":708},[631,1269,1271,1274,1276,1278,1281,1283,1285],{"class":633,"line":1270},16,[631,1272,1273],{"class":746},"    enrich",[631,1275,763],{"class":708},[631,1277,815],{"class":708},[631,1279,1280],{"class":818},"ctx",[631,1282,837],{"class":708},[631,1284,840],{"class":811},[631,1286,843],{"class":708},[631,1288,1290,1293,1295,1298,1300,1303,1306,1308,1310,1312,1314,1316,1319,1321,1324],{"class":633,"line":1289},17,[631,1291,1292],{"class":712},"      ctx",[631,1294,852],{"class":708},[631,1296,1297],{"class":712},"event",[631,1299,852],{"class":708},[631,1301,1302],{"class":712},"colo",[631,1304,1305],{"class":708}," =",[631,1307,1108],{"class":712},[631,1309,852],{"class":708},[631,1311,1297],{"class":712},[631,1313,852],{"class":708},[631,1315,1302],{"class":712},[631,1317,1318],{"class":708}," ??",[631,1320,728],{"class":708},[631,1322,1323],{"class":640},"unknown",[631,1325,733],{"class":708},[631,1327,1329],{"class":633,"line":1328},18,[631,1330,1331],{"class":708},"    },\n",[631,1333,1335,1338,1340,1342,1344,1346,1348],{"class":633,"line":1334},19,[631,1336,1337],{"class":746},"    keep",[631,1339,763],{"class":708},[631,1341,815],{"class":708},[631,1343,1280],{"class":818},[631,1345,837],{"class":708},[631,1347,840],{"class":811},[631,1349,843],{"class":708},[631,1351,1353,1356,1358,1360,1362,1365,1368,1372,1375,1377,1379,1382,1384],{"class":633,"line":1352},20,[631,1354,1355],{"class":704},"      if",[631,1357,815],{"class":759},[631,1359,1280],{"class":712},[631,1361,852],{"class":708},[631,1363,1364],{"class":712},"duration",[631,1366,1367],{"class":708}," >",[631,1369,1371],{"class":1370},"sbssI"," 1000",[631,1373,1374],{"class":759},") ",[631,1376,1280],{"class":712},[631,1378,852],{"class":708},[631,1380,1381],{"class":712},"shouldKeep",[631,1383,1305],{"class":708},[631,1385,1386],{"class":919}," true\n",[631,1388,1390],{"class":633,"line":1389},21,[631,1391,1331],{"class":708},[631,1393,1395],{"class":633,"line":1394},22,[631,1396,1177],{"class":708},[631,1398,1400],{"class":633,"line":1399},23,[631,1401,790],{"class":712},[613,1403,1405],{"id":1404},"emitting-manually","Emitting manually",[535,1407,1408,1409,1411,1412,1414,1415,1417],{},"Prefer to own the emit? ",[539,1410,555],{}," wires ",[539,1413,943],{}," for you but leaves ",[539,1416,939],{}," to you:",[621,1419,1421],{"className":694,"code":1420,"filename":696,"language":697,"meta":627,"style":627},"import { defineWorkerFetch, initWorkersLogger } from 'evlog\u002Fworkers'\n\ninitWorkersLogger({ env: { service: 'my-worker' } })\n\nexport default defineWorkerFetch(async (request, _env, _ctx, log) => {\n  log.set({ action: 'handle_request' })\n  log.emit()\n  return Response.json({ ok: true })\n})\n",[539,1422,1423,1446,1450,1480,1484,1518,1544,1556,1580],{"__ignoreMap":627},[631,1424,1425,1427,1429,1432,1434,1436,1438,1440,1442,1444],{"class":633,"line":634},[631,1426,705],{"class":704},[631,1428,709],{"class":708},[631,1430,1431],{"class":712}," defineWorkerFetch",[631,1433,716],{"class":708},[631,1435,713],{"class":712},[631,1437,722],{"class":708},[631,1439,725],{"class":704},[631,1441,728],{"class":708},[631,1443,541],{"class":640},[631,1445,733],{"class":708},[631,1447,1448],{"class":633,"line":736},[631,1449,740],{"emptyLinePlaceholder":739},[631,1451,1452,1454,1456,1458,1460,1462,1464,1466,1468,1470,1472,1474,1476,1478],{"class":633,"line":743},[631,1453,747],{"class":746},[631,1455,750],{"class":712},[631,1457,860],{"class":708},[631,1459,1055],{"class":759},[631,1461,763],{"class":708},[631,1463,709],{"class":708},[631,1465,768],{"class":759},[631,1467,763],{"class":708},[631,1469,728],{"class":708},[631,1471,775],{"class":640},[631,1473,778],{"class":708},[631,1475,722],{"class":708},[631,1477,722],{"class":708},[631,1479,790],{"class":712},[631,1481,1482],{"class":633,"line":756},[631,1483,740],{"emptyLinePlaceholder":739},[631,1485,1486,1488,1490,1492,1494,1496,1498,1500,1502,1504,1506,1508,1510,1512,1514,1516],{"class":633,"line":784},[631,1487,801],{"class":704},[631,1489,804],{"class":704},[631,1491,1431],{"class":746},[631,1493,750],{"class":712},[631,1495,812],{"class":811},[631,1497,815],{"class":708},[631,1499,819],{"class":818},[631,1501,716],{"class":708},[631,1503,824],{"class":818},[631,1505,716],{"class":708},[631,1507,829],{"class":818},[631,1509,716],{"class":708},[631,1511,834],{"class":818},[631,1513,837],{"class":708},[631,1515,840],{"class":811},[631,1517,843],{"class":708},[631,1519,1520,1522,1524,1526,1528,1530,1532,1534,1536,1538,1540,1542],{"class":633,"line":793},[631,1521,849],{"class":712},[631,1523,852],{"class":708},[631,1525,855],{"class":746},[631,1527,750],{"class":759},[631,1529,860],{"class":708},[631,1531,863],{"class":759},[631,1533,763],{"class":708},[631,1535,728],{"class":708},[631,1537,870],{"class":640},[631,1539,778],{"class":708},[631,1541,722],{"class":708},[631,1543,790],{"class":759},[631,1545,1546,1548,1550,1553],{"class":633,"line":798},[631,1547,849],{"class":712},[631,1549,852],{"class":708},[631,1551,1552],{"class":746},"emit",[631,1554,1555],{"class":759},"()\n",[631,1557,1558,1560,1562,1564,1566,1568,1570,1572,1574,1576,1578],{"class":633,"line":846},[631,1559,899],{"class":704},[631,1561,902],{"class":712},[631,1563,852],{"class":708},[631,1565,907],{"class":746},[631,1567,750],{"class":759},[631,1569,860],{"class":708},[631,1571,914],{"class":759},[631,1573,763],{"class":708},[631,1575,920],{"class":919},[631,1577,722],{"class":708},[631,1579,790],{"class":759},[631,1581,1582,1584],{"class":633,"line":879},[631,1583,787],{"class":708},[631,1585,790],{"class":712},[1587,1588,1591,1593,1594,1596,1597,1600,1601,972,1604,972,1607,972,1610,972,1613,1593,1616,1619,1620,1623,1624,1626],"callout",{"color":1589,"icon":1590},"info","i-lucide-info",[539,1592,555],{}," and ",[539,1595,559],{}," are the low-level path: they create the logger and leave the lifecycle to you, so ",[539,1598,1599],{},"include"," \u002F ",[539,1602,1603],{},"exclude",[539,1605,1606],{},"routes",[539,1608,1609],{},"redact",[539,1611,1612],{},"enrich",[539,1614,1615],{},"keep",[539,1617,1618],{},"plugins"," do ",[547,1621,1622],{},"not"," apply. Use ",[539,1625,551],{}," to get them.",[609,1628,44],{"id":1629},"wide-events",[535,1631,1632],{},"Build up context progressively, then emit at the end:",[621,1634,1636],{"className":694,"code":1635,"filename":696,"language":697,"meta":627,"style":627},"import { defineWorkerFetch, initWorkersLogger } from 'evlog\u002Fworkers'\n\ninitWorkersLogger({\n  env: { service: 'my-worker' },\n})\n\nexport default defineWorkerFetch(async (request, env, _ctx, log) => {\n  const url = new URL(request.url)\n\n  log.set({ route: url.pathname })\n\n  const user = await env.DB.prepare('SELECT * FROM users WHERE id = ?').bind(url.searchParams.get('userId')).first()\n  log.set({ user: { id: user.id, plan: user.plan } })\n\n  const orders = await env.DB.prepare('SELECT COUNT(*) as count FROM orders WHERE user_id = ?').bind(user.id).first()\n  log.set({ orders: { count: orders.count } })\n\n  log.emit()\n  return Response.json({ user, orders })\n})\n",[539,1637,1638,1660,1664,1672,1692,1698,1702,1736,1763,1767,1794,1798,1871,1921,1925,1978,2014,2018,2028,2052],{"__ignoreMap":627},[631,1639,1640,1642,1644,1646,1648,1650,1652,1654,1656,1658],{"class":633,"line":634},[631,1641,705],{"class":704},[631,1643,709],{"class":708},[631,1645,1431],{"class":712},[631,1647,716],{"class":708},[631,1649,713],{"class":712},[631,1651,722],{"class":708},[631,1653,725],{"class":704},[631,1655,728],{"class":708},[631,1657,541],{"class":640},[631,1659,733],{"class":708},[631,1661,1662],{"class":633,"line":736},[631,1663,740],{"emptyLinePlaceholder":739},[631,1665,1666,1668,1670],{"class":633,"line":743},[631,1667,747],{"class":746},[631,1669,750],{"class":712},[631,1671,753],{"class":708},[631,1673,1674,1676,1678,1680,1682,1684,1686,1688,1690],{"class":633,"line":756},[631,1675,760],{"class":759},[631,1677,763],{"class":708},[631,1679,709],{"class":708},[631,1681,768],{"class":759},[631,1683,763],{"class":708},[631,1685,728],{"class":708},[631,1687,775],{"class":640},[631,1689,778],{"class":708},[631,1691,781],{"class":708},[631,1693,1694,1696],{"class":633,"line":784},[631,1695,787],{"class":708},[631,1697,790],{"class":712},[631,1699,1700],{"class":633,"line":793},[631,1701,740],{"emptyLinePlaceholder":739},[631,1703,1704,1706,1708,1710,1712,1714,1716,1718,1720,1722,1724,1726,1728,1730,1732,1734],{"class":633,"line":798},[631,1705,801],{"class":704},[631,1707,804],{"class":704},[631,1709,1431],{"class":746},[631,1711,750],{"class":712},[631,1713,812],{"class":811},[631,1715,815],{"class":708},[631,1717,819],{"class":818},[631,1719,716],{"class":708},[631,1721,1055],{"class":818},[631,1723,716],{"class":708},[631,1725,829],{"class":818},[631,1727,716],{"class":708},[631,1729,834],{"class":818},[631,1731,837],{"class":708},[631,1733,840],{"class":811},[631,1735,843],{"class":708},[631,1737,1738,1741,1744,1746,1749,1752,1754,1756,1758,1761],{"class":633,"line":846},[631,1739,1740],{"class":811},"  const",[631,1742,1743],{"class":712}," url",[631,1745,1305],{"class":708},[631,1747,1748],{"class":708}," new",[631,1750,1751],{"class":746}," URL",[631,1753,750],{"class":759},[631,1755,819],{"class":712},[631,1757,852],{"class":708},[631,1759,1760],{"class":712},"url",[631,1762,790],{"class":759},[631,1764,1765],{"class":633,"line":879},[631,1766,740],{"emptyLinePlaceholder":739},[631,1768,1769,1771,1773,1775,1777,1779,1781,1783,1785,1787,1790,1792],{"class":633,"line":884},[631,1770,849],{"class":712},[631,1772,852],{"class":708},[631,1774,855],{"class":746},[631,1776,750],{"class":759},[631,1778,860],{"class":708},[631,1780,1134],{"class":759},[631,1782,763],{"class":708},[631,1784,1743],{"class":712},[631,1786,852],{"class":708},[631,1788,1789],{"class":712},"pathname",[631,1791,722],{"class":708},[631,1793,790],{"class":759},[631,1795,1796],{"class":633,"line":891},[631,1797,740],{"emptyLinePlaceholder":739},[631,1799,1800,1802,1805,1807,1810,1812,1814,1817,1819,1822,1824,1826,1829,1831,1833,1835,1838,1840,1842,1844,1847,1849,1852,1854,1856,1859,1861,1864,1866,1869],{"class":633,"line":896},[631,1801,1740],{"class":811},[631,1803,1804],{"class":712}," user",[631,1806,1305],{"class":708},[631,1808,1809],{"class":704}," await",[631,1811,1055],{"class":712},[631,1813,852],{"class":708},[631,1815,1816],{"class":712},"DB",[631,1818,852],{"class":708},[631,1820,1821],{"class":746},"prepare",[631,1823,750],{"class":759},[631,1825,778],{"class":708},[631,1827,1828],{"class":640},"SELECT * FROM users WHERE id = ?",[631,1830,778],{"class":708},[631,1832,837],{"class":759},[631,1834,852],{"class":708},[631,1836,1837],{"class":746},"bind",[631,1839,750],{"class":759},[631,1841,1760],{"class":712},[631,1843,852],{"class":708},[631,1845,1846],{"class":712},"searchParams",[631,1848,852],{"class":708},[631,1850,1851],{"class":746},"get",[631,1853,750],{"class":759},[631,1855,778],{"class":708},[631,1857,1858],{"class":640},"userId",[631,1860,778],{"class":708},[631,1862,1863],{"class":759},"))",[631,1865,852],{"class":708},[631,1867,1868],{"class":746},"first",[631,1870,1555],{"class":759},[631,1872,1873,1875,1877,1879,1881,1883,1885,1887,1889,1892,1894,1896,1898,1901,1903,1906,1908,1910,1912,1915,1917,1919],{"class":633,"line":927},[631,1874,849],{"class":712},[631,1876,852],{"class":708},[631,1878,855],{"class":746},[631,1880,750],{"class":759},[631,1882,860],{"class":708},[631,1884,1804],{"class":759},[631,1886,763],{"class":708},[631,1888,709],{"class":708},[631,1890,1891],{"class":759}," 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orders",[631,1933,1305],{"class":708},[631,1935,1809],{"class":704},[631,1937,1055],{"class":712},[631,1939,852],{"class":708},[631,1941,1816],{"class":712},[631,1943,852],{"class":708},[631,1945,1821],{"class":746},[631,1947,750],{"class":759},[631,1949,778],{"class":708},[631,1951,1952],{"class":640},"SELECT COUNT(*) as count FROM orders WHERE user_id = ?",[631,1954,778],{"class":708},[631,1956,837],{"class":759},[631,1958,852],{"class":708},[631,1960,1837],{"class":746},[631,1962,750],{"class":759},[631,1964,1965],{"class":712},"user",[631,1967,852],{"class":708},[631,1969,1900],{"class":712},[631,1971,837],{"class":759},[631,1973,852],{"class":708},[631,1975,1868],{"class":746},[631,1977,1555],{"class":759},[631,1979,1980,1982,1984,1986,1988,1990,1992,1994,1996,1999,2001,2003,2005,2008,2010,2012],{"class":633,"line":1270},[631,1981,849],{"class":712},[631,1983,852],{"class":708},[631,1985,855],{"class":746},[631,1987,750],{"class":759},[631,1989,860],{"class":708},[631,1991,1931],{"class":759},[631,1993,763],{"class":708},[631,1995,709],{"class":708},[631,1997,1998],{"class":759}," count",[631,2000,763],{"class":708},[631,2002,1931],{"class":712},[631,2004,852],{"class":708},[631,2006,2007],{"class":712},"count",[631,2009,722],{"class":708},[631,2011,722],{"class":708},[631,2013,790],{"class":759},[631,2015,2016],{"class":633,"line":1289},[631,2017,740],{"emptyLinePlaceholder":739},[631,2019,2020,2022,2024,2026],{"class":633,"line":1328},[631,2021,849],{"class":712},[631,2023,852],{"class":708},[631,2025,1552],{"class":746},[631,2027,1555],{"class":759},[631,2029,2030,2032,2034,2036,2038,2040,2042,2044,2046,2048,2050],{"class":633,"line":1334},[631,2031,899],{"class":704},[631,2033,902],{"class":712},[631,2035,852],{"class":708},[631,2037,907],{"class":746},[631,2039,750],{"class":759},[631,2041,860],{"class":708},[631,2043,1804],{"class":712},[631,2045,716],{"class":708},[631,2047,1931],{"class":712},[631,2049,722],{"class":708},[631,2051,790],{"class":759},[631,2053,2054,2056],{"class":633,"line":1352},[631,2055,787],{"class":708},[631,2057,790],{"class":712},[621,2059,2062],{"className":623,"code":2060,"filename":2061,"language":626,"meta":627,"style":627},"14:58:15 INFO [my-worker] GET \u002Fapi\u002Fusers 200 in 12ms\n  ├─ orders: count=5\n  ├─ user: id=usr_123 plan=pro\n  ├─ route: \u002Fapi\u002Fusers\n  └─ requestId: 4a8ff3a8-...\n","Terminal output",[539,2063,2064,2075,2089,2102,2112],{"__ignoreMap":627},[631,2065,2066,2069,2072],{"class":633,"line":634},[631,2067,2068],{"class":637},"14:58:15",[631,2070,2071],{"class":640}," INFO",[631,2073,2074],{"class":712}," [my-worker] GET \u002Fapi\u002Fusers 200 in 12ms\n",[631,2076,2077,2080,2083,2086],{"class":633,"line":736},[631,2078,2079],{"class":637},"  ├─",[631,2081,2082],{"class":640}," orders:",[631,2084,2085],{"class":640}," count=",[631,2087,2088],{"class":1370},"5\n",[631,2090,2091,2093,2096,2099],{"class":633,"line":743},[631,2092,2079],{"class":637},[631,2094,2095],{"class":640}," user:",[631,2097,2098],{"class":640}," id=usr_123",[631,2100,2101],{"class":640}," plan=pro\n",[631,2103,2104,2106,2109],{"class":633,"line":756},[631,2105,2079],{"class":637},[631,2107,2108],{"class":640}," route:",[631,2110,2111],{"class":640}," \u002Fapi\u002Fusers\n",[631,2113,2114,2117,2120],{"class":633,"line":784},[631,2115,2116],{"class":637},"  └─",[631,2118,2119],{"class":640}," requestId:",[631,2121,2122],{"class":640}," 4a8ff3a8-...\n",[609,2124,2126],{"id":2125},"error-handling","Error Handling",[535,2128,545,2129,2132],{},[539,2130,2131],{},"createError"," for structured errors and handle them with try\u002Fcatch:",[2134,2135,2136],"code-collapse",{},[621,2137,2139],{"className":694,"code":2138,"filename":696,"language":697,"meta":627,"style":627},"import { createError, parseError } from 'evlog'\nimport { defineWorkerFetch, initWorkersLogger } from 'evlog\u002Fworkers'\n\ninitWorkersLogger({ env: { service: 'my-worker' } })\n\nexport default defineWorkerFetch(async (request, env, _ctx, log) => {\n  try {\n    const body = await request.json()\n    log.set({ payment: { amount: body.amount } })\n\n    if (body.amount \u003C= 0) {\n      throw createError({\n        status: 400,\n        message: 'Invalid payment amount',\n        why: 'The amount must be a positive number',\n        fix: 'Pass a positive integer in cents',\n      })\n    }\n\n    log.emit()\n    return Response.json({ success: true })\n  } catch (error) {\n    log.error(error instanceof Error ? error : new Error(String(error)))\n    log.emit()\n\n    const parsed = parseError(error)\n    return Response.json({\n      message: parsed.message,\n      why: parsed.why,\n      fix: parsed.fix,\n    }, { status: parsed.status })\n  }\n})\n",[539,2140,2141,2166,2188,2192,2222,2226,2260,2267,2288,2325,2329,2353,2364,2376,2392,2408,2424,2431,2436,2440,2450,2475,2492,2535,2546,2551,2569,2584,2601,2618,2635,2659,2665],{"__ignoreMap":627},[631,2142,2143,2145,2147,2150,2152,2155,2157,2159,2161,2164],{"class":633,"line":634},[631,2144,705],{"class":704},[631,2146,709],{"class":708},[631,2148,2149],{"class":712}," createError",[631,2151,716],{"class":708},[631,2153,2154],{"class":712}," 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 try",[631,2266,843],{"class":708},[631,2268,2269,2272,2275,2277,2279,2282,2284,2286],{"class":633,"line":846},[631,2270,2271],{"class":811},"    const",[631,2273,2274],{"class":712}," body",[631,2276,1305],{"class":708},[631,2278,1809],{"class":704},[631,2280,2281],{"class":712}," request",[631,2283,852],{"class":708},[631,2285,907],{"class":746},[631,2287,1555],{"class":759},[631,2289,2290,2292,2294,2296,2298,2300,2303,2305,2307,2310,2312,2314,2316,2319,2321,2323],{"class":633,"line":879},[631,2291,1123],{"class":712},[631,2293,852],{"class":708},[631,2295,855],{"class":746},[631,2297,750],{"class":759},[631,2299,860],{"class":708},[631,2301,2302],{"class":759}," payment",[631,2304,763],{"class":708},[631,2306,709],{"class":708},[631,2308,2309],{"class":759}," amount",[631,2311,763],{"class":708},[631,2313,2274],{"class":712},[631,2315,852],{"class":708},[631,2317,2318],{"class":712},"amount",[631,2320,722],{"class":708},[631,2322,722],{"class":708},[631,2324,790],{"class":759},[631,2326,2327],{"class":633,"line":884},[631,2328,740],{"emptyLinePlaceholder":739},[631,2330,2331,2334,2336,2339,2341,2343,2346,2349,2351],{"class":633,"line":891},[631,2332,2333],{"class":704},"    if",[631,2335,815],{"class":759},[631,2337,2338],{"class":712},"body",[631,2340,852],{"class":708},[631,2342,2318],{"class":712},[631,2344,2345],{"class":708}," \u003C=",[631,2347,2348],{"class":1370}," 0",[631,2350,1374],{"class":759},[631,2352,753],{"class":708},[631,2354,2355,2358,2360,2362],{"class":633,"line":896},[631,2356,2357],{"class":704},"      throw",[631,2359,2149],{"class":746},[631,2361,750],{"class":759},[631,2363,753],{"class":708},[631,2365,2366,2369,2371,2374],{"class":633,"line":927},[631,2367,2368],{"class":759},"        status",[631,2370,763],{"class":708},[631,2372,2373],{"class":1370}," 400",[631,2375,1197],{"class":708},[631,2377,2378,2381,2383,2385,2388,2390],{"class":633,"line":1222},[631,2379,2380],{"class":759},"        message",[631,2382,763],{"class":708},[631,2384,728],{"class":708},[631,2386,2387],{"class":640},"Invalid payment amount",[631,2389,778],{"class":708},[631,2391,1197],{"class":708},[631,2393,2394,2397,2399,2401,2404,2406],{"class":633,"line":1258},[631,2395,2396],{"class":759},"        why",[631,2398,763],{"class":708},[631,2400,728],{"class":708},[631,2402,2403],{"class":640},"The amount must be a positive number",[631,2405,778],{"class":708},[631,2407,1197],{"class":708},[631,2409,2410,2413,2415,2417,2420,2422],{"class":633,"line":1270},[631,2411,2412],{"class":759},"        fix",[631,2414,763],{"class":708},[631,2416,728],{"class":708},[631,2418,2419],{"class":640},"Pass a positive integer in cents",[631,2421,778],{"class":708},[631,2423,1197],{"class":708},[631,2425,2426,2429],{"class":633,"line":1289},[631,2427,2428],{"class":708},"      }",[631,2430,790],{"class":759},[631,2432,2433],{"class":633,"line":1328},[631,2434,2435],{"class":708},"    }\n",[631,2437,2438],{"class":633,"line":1334},[631,2439,740],{"emptyLinePlaceholder":739},[631,2441,2442,2444,2446,2448],{"class":633,"line":1352},[631,2443,1123],{"class":712},[631,2445,852],{"class":708},[631,2447,1552],{"class":746},[631,2449,1555],{"class":759},[631,2451,2452,2454,2456,2458,2460,2462,2464,2467,2469,2471,2473],{"class":633,"line":1389},[631,2453,1152],{"class":704},[631,2455,902],{"class":712},[631,2457,852],{"class":708},[631,2459,907],{"class":746},[631,2461,750],{"class":759},[631,2463,860],{"class":708},[631,2465,2466],{"class":759}," 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parsed",[631,2560,1305],{"class":708},[631,2562,2154],{"class":746},[631,2564,750],{"class":759},[631,2566,2487],{"class":712},[631,2568,790],{"class":759},[631,2570,2572,2574,2576,2578,2580,2582],{"class":633,"line":2571},27,[631,2573,1152],{"class":704},[631,2575,902],{"class":712},[631,2577,852],{"class":708},[631,2579,907],{"class":746},[631,2581,750],{"class":759},[631,2583,753],{"class":708},[631,2585,2587,2590,2592,2594,2596,2599],{"class":633,"line":2586},28,[631,2588,2589],{"class":759},"      message",[631,2591,763],{"class":708},[631,2593,2558],{"class":712},[631,2595,852],{"class":708},[631,2597,2598],{"class":712},"message",[631,2600,1197],{"class":708},[631,2602,2604,2607,2609,2611,2613,2616],{"class":633,"line":2603},29,[631,2605,2606],{"class":759},"      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}\n",[631,2666,2668,2670],{"class":633,"line":2667},33,[631,2669,787],{"class":708},[631,2671,790],{"class":712},[609,2673,500],{"id":2674},"configuration",[535,2676,2677,2678,2681,2682,2685],{},"See the ",[598,2679,2680],{"href":501},"Configuration reference"," for all available options (",[539,2683,2684],{},"initLogger",", middleware options, sampling, silent mode, etc.).",[609,2687,2689],{"id":2688},"drain-enrichers","Drain & Enrichers",[535,2691,2692,2693,2695],{},"Configure drain and enrichers via ",[539,2694,747],{}," options:",[621,2697,2699],{"className":694,"code":2698,"filename":696,"language":697,"meta":627,"style":627},"import { initWorkersLogger, createWorkersLogger } from 'evlog\u002Fworkers'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\nimport { createDrainPipeline } from 'evlog\u002Fpipeline'\nimport type { DrainContext } from 'evlog'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 50, intervalMs: 5000 },\n})\nconst drain = pipeline(createAxiomDrain())\nconst userAgent = createUserAgentEnricher()\n\ninitWorkersLogger({\n  env: { service: 'my-worker' },\n  drain,\n  enrich: (ctx) => {\n    userAgent(ctx)\n  },\n})\n",[539,2700,2701,2724,2742,2762,2782,2804,2808,2834,2863,2869,2889,2902,2906,2914,2934,2941,2958,2969,2973],{"__ignoreMap":627},[631,2702,2703,2705,2707,2709,2711,2714,2716,2718,2720,2722],{"class":633,"line":634},[631,2704,705],{"class":704},[631,2706,709],{"class":708},[631,2708,713],{"class":712},[631,2710,716],{"class":708},[631,2712,2713],{"class":712}," 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