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LogTape","\u002Fcompare\u002Flogtape","9.compare\u002F3.logtape",{"title":605,"path":606,"stem":607,"icon":577},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","9.compare\u002F4.winston",{"title":609,"path":610,"stem":611,"icon":577},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","9.compare\u002F5.consola",{"id":613,"title":295,"body":614,"description":3176,"extension":3177,"links":3178,"meta":3179,"navigation":3180,"path":296,"seo":3181,"stem":297,"__hash__":3182},"docs\u002F4.integrate\u002Fframeworks\u002F12.cloudflare-workers.md",{"type":615,"value":616,"toc":3161},"minimark",[617,626,644,691,695,700,771,775,1015,1038,1069,1072,1077,1485,1489,1501,1669,1709,1712,1715,2140,2205,2209,2215,2754,2757,2768,2772,2778,3061,3068,3072,3075,3104,3108,3122,3126,3157],[618,619,620,621,625],"p",{},"The ",[622,623,624],"code",{},"evlog\u002Fworkers"," adapter instruments Cloudflare Workers and Durable Objects with request-scoped loggers carrying Cloudflare-specific context.",[618,627,628,629,635,636,639,640,643],{},"Use ",[630,631,632],"strong",{},[622,633,634],{},"withEvlog"," to get the same middleware pipeline as every other framework integration: route filtering, redaction, enrich, tail sampling, plugins, drains, and automatic emit. Reach for ",[622,637,638],{},"defineWorkerFetch"," or ",[622,641,642],{},"createWorkersLogger"," when you'd rather own the emit yourself.",[645,646,649,652,677],"prompt",{":actions":647,"description":648,"icon":298},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my Cloudflare Worker",[618,650,651],{},"Set up evlog in my Cloudflare Worker.",[653,654,655,659,662,665,671,674],"ul",{},[656,657,658],"li",{},"Install evlog: pnpm add evlog",[656,660,661],{},"Import initWorkersLogger and withEvlog from 'evlog\u002Fworkers'",[656,663,664],{},"Call initWorkersLogger({ env: { service: 'my-worker' } }) at the top level",[656,666,667,668,670],{},"Wrap the fetch handler with ",[630,669,634],{}," (recommended). It emits the wide event for you and accepts include\u002Fexclude, routes, redact, enrich, keep, plugins and drain",[656,672,673],{},"Use log.set() to accumulate context throughout the request",[656,675,676],{},"Only use defineWorkerFetch or createWorkersLogger if you want to call log.emit() yourself",[618,678,679,680,686,687],{},"Docs: ",[681,682,683],"a",{"href":683,"rel":684},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers",[685],"nofollow","\nAdapters: ",[681,688,689],{"href":689,"rel":690},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[685],[692,693,25],"h2",{"id":694},"quick-start",[696,697,699],"h3",{"id":698},"_1-install","1. Install",[701,702,703,728,742,756],"code-group",{},[704,705,711],"pre",{"className":706,"code":707,"filename":708,"language":709,"meta":710,"style":710},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog\n","pnpm","bash","",[622,712,713],{"__ignoreMap":710},[714,715,718,721,725],"span",{"class":716,"line":717},"line",1,[714,719,708],{"class":720},"sBMFI",[714,722,724],{"class":723},"sfazB"," add",[714,726,727],{"class":723}," evlog\n",[704,729,732],{"className":706,"code":730,"filename":731,"language":709,"meta":710,"style":710},"bun add evlog\n","bun",[622,733,734],{"__ignoreMap":710},[714,735,736,738,740],{"class":716,"line":717},[714,737,731],{"class":720},[714,739,724],{"class":723},[714,741,727],{"class":723},[704,743,746],{"className":706,"code":744,"filename":745,"language":709,"meta":710,"style":710},"yarn add evlog\n","yarn",[622,747,748],{"__ignoreMap":710},[714,749,750,752,754],{"class":716,"line":717},[714,751,745],{"class":720},[714,753,724],{"class":723},[714,755,727],{"class":723},[704,757,760],{"className":706,"code":758,"filename":759,"language":709,"meta":710,"style":710},"npm install evlog\n","npm",[622,761,762],{"__ignoreMap":710},[714,763,764,766,769],{"class":716,"line":717},[714,765,759],{"class":720},[714,767,768],{"class":723}," install",[714,770,727],{"class":723},[696,772,774],{"id":773},"_2-wrap-your-fetch-handler","2. Wrap your fetch handler",[704,776,781],{"className":777,"code":778,"filename":779,"language":780,"meta":710,"style":710},"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",[622,782,783,817,824,837,865,874,879,927,960,965,972,977,1008],{"__ignoreMap":710},[714,784,785,789,793,797,800,803,806,809,812,814],{"class":716,"line":717},[714,786,788],{"class":787},"s7zQu","import",[714,790,792],{"class":791},"sMK4o"," {",[714,794,796],{"class":795},"sTEyZ"," initWorkersLogger",[714,798,799],{"class":791},",",[714,801,802],{"class":795}," withEvlog",[714,804,805],{"class":791}," }",[714,807,808],{"class":787}," from",[714,810,811],{"class":791}," '",[714,813,624],{"class":723},[714,815,816],{"class":791},"'\n",[714,818,820],{"class":716,"line":819},2,[714,821,823],{"emptyLinePlaceholder":822},true,"\n",[714,825,827,831,834],{"class":716,"line":826},3,[714,828,830],{"class":829},"s2Zo4","initWorkersLogger",[714,832,833],{"class":795},"(",[714,835,836],{"class":791},"{\n",[714,838,840,844,847,849,852,854,856,859,862],{"class":716,"line":839},4,[714,841,843],{"class":842},"swJcz","  env",[714,845,846],{"class":791},":",[714,848,792],{"class":791},[714,850,851],{"class":842}," service",[714,853,846],{"class":791},[714,855,811],{"class":791},[714,857,858],{"class":723},"my-worker",[714,860,861],{"class":791},"'",[714,863,864],{"class":791}," },\n",[714,866,868,871],{"class":716,"line":867},5,[714,869,870],{"class":791},"}",[714,872,873],{"class":795},")\n",[714,875,877],{"class":716,"line":876},6,[714,878,823],{"emptyLinePlaceholder":822},[714,880,882,885,888,890,892,896,899,903,905,908,910,913,915,918,921,924],{"class":716,"line":881},7,[714,883,884],{"class":787},"export",[714,886,887],{"class":787}," default",[714,889,802],{"class":829},[714,891,833],{"class":795},[714,893,895],{"class":894},"spNyl","async",[714,897,898],{"class":791}," (",[714,900,902],{"class":901},"sHdIc","request",[714,904,799],{"class":791},[714,906,907],{"class":901}," _env",[714,909,799],{"class":791},[714,911,912],{"class":901}," _ctx",[714,914,799],{"class":791},[714,916,917],{"class":901}," log",[714,919,920],{"class":791},")",[714,922,923],{"class":894}," =>",[714,925,926],{"class":791}," {\n",[714,928,930,933,936,939,941,944,947,949,951,954,956,958],{"class":716,"line":929},8,[714,931,932],{"class":795},"  log",[714,934,935],{"class":791},".",[714,937,938],{"class":829},"set",[714,940,833],{"class":842},[714,942,943],{"class":791},"{",[714,945,946],{"class":842}," action",[714,948,846],{"class":791},[714,950,811],{"class":791},[714,952,953],{"class":723},"handle_request",[714,955,861],{"class":791},[714,957,805],{"class":791},[714,959,873],{"class":842},[714,961,963],{"class":716,"line":962},9,[714,964,823],{"emptyLinePlaceholder":822},[714,966,968],{"class":716,"line":967},10,[714,969,971],{"class":970},"sHwdD","  \u002F\u002F ... your handler logic\n",[714,973,975],{"class":716,"line":974},11,[714,976,823],{"emptyLinePlaceholder":822},[714,978,980,983,986,988,991,993,995,998,1000,1004,1006],{"class":716,"line":979},12,[714,981,982],{"class":787},"  return",[714,984,985],{"class":795}," Response",[714,987,935],{"class":791},[714,989,990],{"class":829},"json",[714,992,833],{"class":842},[714,994,943],{"class":791},[714,996,997],{"class":842}," ok",[714,999,846],{"class":791},[714,1001,1003],{"class":1002},"sfNiH"," true",[714,1005,805],{"class":791},[714,1007,873],{"class":842},[714,1009,1011,1013],{"class":716,"line":1010},13,[714,1012,870],{"class":791},[714,1014,873],{"class":795},[618,1016,1017,1019,1020,1023,1024,1027,1028,1033,1034,1037],{},[622,1018,634],{}," emits one wide event per request when the handler returns, with no manual ",[622,1021,1022],{},"log.emit()",". It reads ",[622,1025,1026],{},"ExecutionContext"," off the third argument, so async ",[630,1029,1030],{},[622,1031,1032],{},"drain"," calls (PostHog, Axiom, …) are registered with ",[622,1035,1036],{},"waitUntil"," and stay alive after the response is returned. Streaming responses defer the emit until the body completes.",[618,1039,1040,1043,1044,1047,1048,1051,1052,1055,1056,1055,1059,1055,1061,1064,1065,1068],{},[622,1041,1042],{},"requestId"," comes from ",[622,1045,1046],{},"x-request-id"," when the caller sends one, falling back to ",[622,1049,1050],{},"cf-ray",". ",[622,1053,1054],{},"method",", ",[622,1057,1058],{},"path",[622,1060,1050],{},[622,1062,1063],{},"traceparent"," and the safe subset of ",[622,1066,1067],{},"request.cf"," are captured automatically.",[696,1070,346],{"id":1071},"options",[618,1073,1074,1076],{},[622,1075,634],{}," accepts the same options as every other framework integration:",[704,1078,1080],{"className":777,"code":1079,"filename":779,"language":780,"meta":710,"style":710},"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",[622,1081,1082,1104,1124,1128,1159,1163,1174,1202,1231,1256,1261,1266,1281,1303,1339,1351,1370,1409,1415,1433,1470,1475,1480],{"__ignoreMap":710},[714,1083,1084,1086,1088,1090,1092,1094,1096,1098,1100,1102],{"class":716,"line":717},[714,1085,788],{"class":787},[714,1087,792],{"class":791},[714,1089,796],{"class":795},[714,1091,799],{"class":791},[714,1093,802],{"class":795},[714,1095,805],{"class":791},[714,1097,808],{"class":787},[714,1099,811],{"class":791},[714,1101,624],{"class":723},[714,1103,816],{"class":791},[714,1105,1106,1108,1110,1113,1115,1117,1119,1122],{"class":716,"line":819},[714,1107,788],{"class":787},[714,1109,792],{"class":791},[714,1111,1112],{"class":795}," createAxiomDrain",[714,1114,805],{"class":791},[714,1116,808],{"class":787},[714,1118,811],{"class":791},[714,1120,1121],{"class":723},"evlog\u002Faxiom",[714,1123,816],{"class":791},[714,1125,1126],{"class":716,"line":826},[714,1127,823],{"emptyLinePlaceholder":822},[714,1129,1130,1132,1134,1136,1139,1141,1143,1145,1147,1149,1151,1153,1155,1157],{"class":716,"line":839},[714,1131,830],{"class":829},[714,1133,833],{"class":795},[714,1135,943],{"class":791},[714,1137,1138],{"class":842}," env",[714,1140,846],{"class":791},[714,1142,792],{"class":791},[714,1144,851],{"class":842},[714,1146,846],{"class":791},[714,1148,811],{"class":791},[714,1150,858],{"class":723},[714,1152,861],{"class":791},[714,1154,805],{"class":791},[714,1156,805],{"class":791},[714,1158,873],{"class":795},[714,1160,1161],{"class":716,"line":867},[714,1162,823],{"emptyLinePlaceholder":822},[714,1164,1165,1167,1169,1171],{"class":716,"line":876},[714,1166,884],{"class":787},[714,1168,887],{"class":787},[714,1170,802],{"class":829},[714,1172,1173],{"class":795},"(\n",[714,1175,1176,1179,1181,1183,1185,1187,1189,1192,1194,1196,1198,1200],{"class":716,"line":881},[714,1177,1178],{"class":894},"  async",[714,1180,898],{"class":791},[714,1182,902],{"class":901},[714,1184,799],{"class":791},[714,1186,1138],{"class":901},[714,1188,799],{"class":791},[714,1190,1191],{"class":901}," 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return",[714,1237,985],{"class":795},[714,1239,935],{"class":791},[714,1241,990],{"class":829},[714,1243,833],{"class":842},[714,1245,943],{"class":791},[714,1247,997],{"class":842},[714,1249,846],{"class":791},[714,1251,1003],{"class":1002},[714,1253,805],{"class":791},[714,1255,873],{"class":842},[714,1257,1258],{"class":716,"line":967},[714,1259,1260],{"class":791},"  },\n",[714,1262,1263],{"class":716,"line":974},[714,1264,1265],{"class":791},"  {\n",[714,1267,1268,1271,1273,1275,1278],{"class":716,"line":979},[714,1269,1270],{"class":842},"    drain",[714,1272,846],{"class":791},[714,1274,1112],{"class":829},[714,1276,1277],{"class":795},"()",[714,1279,1280],{"class":791},",\n",[714,1282,1283,1286,1288,1291,1293,1296,1298,1301],{"class":716,"line":1010},[714,1284,1285],{"class":842},"    exclude",[714,1287,846],{"class":791},[714,1289,1290],{"class":795}," [",[714,1292,861],{"class":791},[714,1294,1295],{"class":723},"\u002Fhealth",[714,1297,861],{"class":791},[714,1299,1300],{"class":795},"]",[714,1302,1280],{"class":791},[714,1304,1306,1309,1311,1313,1315,1318,1320,1322,1324,1326,1328,1330,1333,1335,1337],{"class":716,"line":1305},14,[714,1307,1308],{"class":842},"    routes",[714,1310,846],{"class":791},[714,1312,792],{"class":791},[714,1314,811],{"class":791},[714,1316,1317],{"class":842},"\u002Fapi\u002F**",[714,1319,861],{"class":791},[714,1321,846],{"class":791},[714,1323,792],{"class":791},[714,1325,851],{"class":842},[714,1327,846],{"class":791},[714,1329,811],{"class":791},[714,1331,1332],{"class":723},"api",[714,1334,861],{"class":791},[714,1336,805],{"class":791},[714,1338,864],{"class":791},[714,1340,1342,1345,1347,1349],{"class":716,"line":1341},15,[714,1343,1344],{"class":842},"    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??",[714,1403,811],{"class":791},[714,1405,1406],{"class":723},"unknown",[714,1408,816],{"class":791},[714,1410,1412],{"class":716,"line":1411},18,[714,1413,1414],{"class":791},"    },\n",[714,1416,1418,1421,1423,1425,1427,1429,1431],{"class":716,"line":1417},19,[714,1419,1420],{"class":829},"    keep",[714,1422,846],{"class":791},[714,1424,898],{"class":791},[714,1426,1363],{"class":901},[714,1428,920],{"class":791},[714,1430,923],{"class":894},[714,1432,926],{"class":791},[714,1434,1436,1439,1441,1443,1445,1448,1451,1455,1458,1460,1462,1465,1467],{"class":716,"line":1435},20,[714,1437,1438],{"class":787},"      if",[714,1440,898],{"class":842},[714,1442,1363],{"class":795},[714,1444,935],{"class":791},[714,1446,1447],{"class":795},"duration",[714,1449,1450],{"class":791}," >",[714,1452,1454],{"class":1453},"sbssI"," 1000",[714,1456,1457],{"class":842},") ",[714,1459,1363],{"class":795},[714,1461,935],{"class":791},[714,1463,1464],{"class":795},"shouldKeep",[714,1466,1388],{"class":791},[714,1468,1469],{"class":1002}," true\n",[714,1471,1473],{"class":716,"line":1472},21,[714,1474,1414],{"class":791},[714,1476,1478],{"class":716,"line":1477},22,[714,1479,1260],{"class":791},[714,1481,1483],{"class":716,"line":1482},23,[714,1484,873],{"class":795},[696,1486,1488],{"id":1487},"emitting-manually","Emitting manually",[618,1490,1491,1492,1494,1495,1497,1498,1500],{},"Prefer to own the emit? ",[622,1493,638],{}," wires ",[622,1496,1026],{}," for you but leaves ",[622,1499,1022],{}," to you:",[704,1502,1504],{"className":777,"code":1503,"filename":779,"language":780,"meta":710,"style":710},"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",[622,1505,1506,1529,1533,1563,1567,1601,1627,1639,1663],{"__ignoreMap":710},[714,1507,1508,1510,1512,1515,1517,1519,1521,1523,1525,1527],{"class":716,"line":717},[714,1509,788],{"class":787},[714,1511,792],{"class":791},[714,1513,1514],{"class":795}," defineWorkerFetch",[714,1516,799],{"class":791},[714,1518,796],{"class":795},[714,1520,805],{"class":791},[714,1522,808],{"class":787},[714,1524,811],{"class":791},[714,1526,624],{"class":723},[714,1528,816],{"class":791},[714,1530,1531],{"class":716,"line":819},[714,1532,823],{"emptyLinePlaceholder":822},[714,1534,1535,1537,1539,1541,1543,1545,1547,1549,1551,1553,1555,1557,1559,1561],{"class":716,"line":826},[714,1536,830],{"class":829},[714,1538,833],{"class":795},[714,1540,943],{"class":791},[714,1542,1138],{"class":842},[714,1544,846],{"class":791},[714,1546,792],{"class":791},[714,1548,851],{"class":842},[714,1550,846],{"class":791},[714,1552,811],{"class":791},[714,1554,858],{"class":723},[714,1556,861],{"class":791},[714,1558,805],{"class":791},[714,1560,805],{"class":791},[714,1562,873],{"class":795},[714,1564,1565],{"class":716,"line":839},[714,1566,823],{"emptyLinePlaceholder":822},[714,1568,1569,1571,1573,1575,1577,1579,1581,1583,1585,1587,1589,1591,1593,1595,1597,1599],{"class":716,"line":867},[714,1570,884],{"class":787},[714,1572,887],{"class":787},[714,1574,1514],{"class":829},[714,1576,833],{"class":795},[714,1578,895],{"class":894},[714,1580,898],{"class":791},[714,1582,902],{"class":901},[714,1584,799],{"class":791},[714,1586,907],{"class":901},[714,1588,799],{"class":791},[714,1590,912],{"class":901},[714,1592,799],{"class":791},[714,1594,917],{"class":901},[714,1596,920],{"class":791},[714,1598,923],{"class":894},[714,1600,926],{"class":791},[714,1602,1603,1605,1607,1609,1611,1613,1615,1617,1619,1621,1623,1625],{"class":716,"line":876},[714,1604,932],{"class":795},[714,1606,935],{"class":791},[714,1608,938],{"class":829},[714,1610,833],{"class":842},[714,1612,943],{"class":791},[714,1614,946],{"class":842},[714,1616,846],{"class":791},[714,1618,811],{"class":791},[714,1620,953],{"class":723},[714,1622,861],{"class":791},[714,1624,805],{"class":791},[714,1626,873],{"class":842},[714,1628,1629,1631,1633,1636],{"class":716,"line":881},[714,1630,932],{"class":795},[714,1632,935],{"class":791},[714,1634,1635],{"class":829},"emit",[714,1637,1638],{"class":842},"()\n",[714,1640,1641,1643,1645,1647,1649,1651,1653,1655,1657,1659,1661],{"class":716,"line":929},[714,1642,982],{"class":787},[714,1644,985],{"class":795},[714,1646,935],{"class":791},[714,1648,990],{"class":829},[714,1650,833],{"class":842},[714,1652,943],{"class":791},[714,1654,997],{"class":842},[714,1656,846],{"class":791},[714,1658,1003],{"class":1002},[714,1660,805],{"class":791},[714,1662,873],{"class":842},[714,1664,1665,1667],{"class":716,"line":962},[714,1666,870],{"class":791},[714,1668,873],{"class":795},[1670,1671,1673,1675,1676,1678,1679,1682,1683,1055,1686,1055,1689,1055,1692,1055,1695,1675,1698,1701,1702,1705,1706,1708],"callout",{"color":1672,"icon":13},"info",[622,1674,638],{}," and ",[622,1677,642],{}," are the low-level path: they create the logger and leave the lifecycle to you, so ",[622,1680,1681],{},"include"," \u002F ",[622,1684,1685],{},"exclude",[622,1687,1688],{},"routes",[622,1690,1691],{},"redact",[622,1693,1694],{},"enrich",[622,1696,1697],{},"keep",[622,1699,1700],{},"plugins"," do ",[630,1703,1704],{},"not"," apply. Use ",[622,1707,634],{}," to get them.",[692,1710,51],{"id":1711},"wide-events",[618,1713,1714],{},"Build up context progressively, then emit at the end:",[704,1716,1718],{"className":777,"code":1717,"filename":779,"language":780,"meta":710,"style":710},"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",[622,1719,1720,1742,1746,1754,1774,1780,1784,1818,1845,1849,1876,1880,1953,2003,2007,2060,2096,2100,2110,2134],{"__ignoreMap":710},[714,1721,1722,1724,1726,1728,1730,1732,1734,1736,1738,1740],{"class":716,"line":717},[714,1723,788],{"class":787},[714,1725,792],{"class":791},[714,1727,1514],{"class":795},[714,1729,799],{"class":791},[714,1731,796],{"class":795},[714,1733,805],{"class":791},[714,1735,808],{"class":787},[714,1737,811],{"class":791},[714,1739,624],{"class":723},[714,1741,816],{"class":791},[714,1743,1744],{"class":716,"line":819},[714,1745,823],{"emptyLinePlaceholder":822},[714,1747,1748,1750,1752],{"class":716,"line":826},[714,1749,830],{"class":829},[714,1751,833],{"class":795},[714,1753,836],{"class":791},[714,1755,1756,1758,1760,1762,1764,1766,1768,1770,1772],{"class":716,"line":839},[714,1757,843],{"class":842},[714,1759,846],{"class":791},[714,1761,792],{"class":791},[714,1763,851],{"class":842},[714,1765,846],{"class":791},[714,1767,811],{"class":791},[714,1769,858],{"class":723},[714,1771,861],{"class":791},[714,1773,864],{"class":791},[714,1775,1776,1778],{"class":716,"line":867},[714,1777,870],{"class":791},[714,1779,873],{"class":795},[714,1781,1782],{"class":716,"line":876},[714,1783,823],{"emptyLinePlaceholder":822},[714,1785,1786,1788,1790,1792,1794,1796,1798,1800,1802,1804,1806,1808,1810,1812,1814,1816],{"class":716,"line":881},[714,1787,884],{"class":787},[714,1789,887],{"class":787},[714,1791,1514],{"class":829},[714,1793,833],{"class":795},[714,1795,895],{"class":894},[714,1797,898],{"class":791},[714,1799,902],{"class":901},[714,1801,799],{"class":791},[714,1803,1138],{"class":901},[714,1805,799],{"class":791},[714,1807,912],{"class":901},[714,1809,799],{"class":791},[714,1811,917],{"class":901},[714,1813,920],{"class":791},[714,1815,923],{"class":894},[714,1817,926],{"class":791},[714,1819,1820,1823,1826,1828,1831,1834,1836,1838,1840,1843],{"class":716,"line":929},[714,1821,1822],{"class":894},"  const",[714,1824,1825],{"class":795}," url",[714,1827,1388],{"class":791},[714,1829,1830],{"class":791}," new",[714,1832,1833],{"class":829}," URL",[714,1835,833],{"class":842},[714,1837,902],{"class":795},[714,1839,935],{"class":791},[714,1841,1842],{"class":795},"url",[714,1844,873],{"class":842},[714,1846,1847],{"class":716,"line":962},[714,1848,823],{"emptyLinePlaceholder":822},[714,1850,1851,1853,1855,1857,1859,1861,1863,1865,1867,1869,1872,1874],{"class":716,"line":967},[714,1852,932],{"class":795},[714,1854,935],{"class":791},[714,1856,938],{"class":829},[714,1858,833],{"class":842},[714,1860,943],{"class":791},[714,1862,1217],{"class":842},[714,1864,846],{"class":791},[714,1866,1825],{"class":795},[714,1868,935],{"class":791},[714,1870,1871],{"class":795},"pathname",[714,1873,805],{"class":791},[714,1875,873],{"class":842},[714,1877,1878],{"class":716,"line":974},[714,1879,823],{"emptyLinePlaceholder":822},[714,1881,1882,1884,1887,1889,1892,1894,1896,1899,1901,1904,1906,1908,1911,1913,1915,1917,1920,1922,1924,1926,1929,1931,1934,1936,1938,1941,1943,1946,1948,1951],{"class":716,"line":979},[714,1883,1822],{"class":894},[714,1885,1886],{"class":795}," user",[714,1888,1388],{"class":791},[714,1890,1891],{"class":787}," await",[714,1893,1138],{"class":795},[714,1895,935],{"class":791},[714,1897,1898],{"class":795},"DB",[714,1900,935],{"class":791},[714,1902,1903],{"class":829},"prepare",[714,1905,833],{"class":842},[714,1907,861],{"class":791},[714,1909,1910],{"class":723},"SELECT * FROM users WHERE id = ?",[714,1912,861],{"class":791},[714,1914,920],{"class":842},[714,1916,935],{"class":791},[714,1918,1919],{"class":829},"bind",[714,1921,833],{"class":842},[714,1923,1842],{"class":795},[714,1925,935],{"class":791},[714,1927,1928],{"class":795},"searchParams",[714,1930,935],{"class":791},[714,1932,1933],{"class":829},"get",[714,1935,833],{"class":842},[714,1937,861],{"class":791},[714,1939,1940],{"class":723},"userId",[714,1942,861],{"class":791},[714,1944,1945],{"class":842},"))",[714,1947,935],{"class":791},[714,1949,1950],{"class":829},"first",[714,1952,1638],{"class":842},[714,1954,1955,1957,1959,1961,1963,1965,1967,1969,1971,1974,1976,1978,1980,1983,1985,1988,1990,1992,1994,1997,1999,2001],{"class":716,"line":1010},[714,1956,932],{"class":795},[714,1958,935],{"class":791},[714,1960,938],{"class":829},[714,1962,833],{"class":842},[714,1964,943],{"class":791},[714,1966,1886],{"class":842},[714,1968,846],{"class":791},[714,1970,792],{"class":791},[714,1972,1973],{"class":842}," id",[714,1975,846],{"class":791},[714,1977,1886],{"class":795},[714,1979,935],{"class":791},[714,1981,1982],{"class":795},"id",[714,1984,799],{"class":791},[714,1986,1987],{"class":842}," plan",[714,1989,846],{"class":791},[714,1991,1886],{"class":795},[714,1993,935],{"class":791},[714,1995,1996],{"class":795},"plan",[714,1998,805],{"class":791},[714,2000,805],{"class":791},[714,2002,873],{"class":842},[714,2004,2005],{"class":716,"line":1305},[714,2006,823],{"emptyLinePlaceholder":822},[714,2008,2009,2011,2014,2016,2018,2020,2022,2024,2026,2028,2030,2032,2035,2037,2039,2041,2043,2045,2048,2050,2052,2054,2056,2058],{"class":716,"line":1341},[714,2010,1822],{"class":894},[714,2012,2013],{"class":795}," orders",[714,2015,1388],{"class":791},[714,2017,1891],{"class":787},[714,2019,1138],{"class":795},[714,2021,935],{"class":791},[714,2023,1898],{"class":795},[714,2025,935],{"class":791},[714,2027,1903],{"class":829},[714,2029,833],{"class":842},[714,2031,861],{"class":791},[714,2033,2034],{"class":723},"SELECT COUNT(*) as count FROM orders WHERE user_id = ?",[714,2036,861],{"class":791},[714,2038,920],{"class":842},[714,2040,935],{"class":791},[714,2042,1919],{"class":829},[714,2044,833],{"class":842},[714,2046,2047],{"class":795},"user",[714,2049,935],{"class":791},[714,2051,1982],{"class":795},[714,2053,920],{"class":842},[714,2055,935],{"class":791},[714,2057,1950],{"class":829},[714,2059,1638],{"class":842},[714,2061,2062,2064,2066,2068,2070,2072,2074,2076,2078,2081,2083,2085,2087,2090,2092,2094],{"class":716,"line":1353},[714,2063,932],{"class":795},[714,2065,935],{"class":791},[714,2067,938],{"class":829},[714,2069,833],{"class":842},[714,2071,943],{"class":791},[714,2073,2013],{"class":842},[714,2075,846],{"class":791},[714,2077,792],{"class":791},[714,2079,2080],{"class":842}," count",[714,2082,846],{"class":791},[714,2084,2013],{"class":795},[714,2086,935],{"class":791},[714,2088,2089],{"class":795},"count",[714,2091,805],{"class":791},[714,2093,805],{"class":791},[714,2095,873],{"class":842},[714,2097,2098],{"class":716,"line":1372},[714,2099,823],{"emptyLinePlaceholder":822},[714,2101,2102,2104,2106,2108],{"class":716,"line":1411},[714,2103,932],{"class":795},[714,2105,935],{"class":791},[714,2107,1635],{"class":829},[714,2109,1638],{"class":842},[714,2111,2112,2114,2116,2118,2120,2122,2124,2126,2128,2130,2132],{"class":716,"line":1417},[714,2113,982],{"class":787},[714,2115,985],{"class":795},[714,2117,935],{"class":791},[714,2119,990],{"class":829},[714,2121,833],{"class":842},[714,2123,943],{"class":791},[714,2125,1886],{"class":795},[714,2127,799],{"class":791},[714,2129,2013],{"class":795},[714,2131,805],{"class":791},[714,2133,873],{"class":842},[714,2135,2136,2138],{"class":716,"line":1435},[714,2137,870],{"class":791},[714,2139,873],{"class":795},[704,2141,2144],{"className":706,"code":2142,"filename":2143,"language":709,"meta":710,"style":710},"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",[622,2145,2146,2157,2171,2184,2194],{"__ignoreMap":710},[714,2147,2148,2151,2154],{"class":716,"line":717},[714,2149,2150],{"class":720},"14:58:15",[714,2152,2153],{"class":723}," INFO",[714,2155,2156],{"class":795}," [my-worker] GET \u002Fapi\u002Fusers 200 in 12ms\n",[714,2158,2159,2162,2165,2168],{"class":716,"line":819},[714,2160,2161],{"class":720},"  ├─",[714,2163,2164],{"class":723}," orders:",[714,2166,2167],{"class":723}," count=",[714,2169,2170],{"class":1453},"5\n",[714,2172,2173,2175,2178,2181],{"class":716,"line":826},[714,2174,2161],{"class":720},[714,2176,2177],{"class":723}," user:",[714,2179,2180],{"class":723}," id=usr_123",[714,2182,2183],{"class":723}," plan=pro\n",[714,2185,2186,2188,2191],{"class":716,"line":839},[714,2187,2161],{"class":720},[714,2189,2190],{"class":723}," route:",[714,2192,2193],{"class":723}," \u002Fapi\u002Fusers\n",[714,2195,2196,2199,2202],{"class":716,"line":867},[714,2197,2198],{"class":720},"  └─",[714,2200,2201],{"class":723}," requestId:",[714,2203,2204],{"class":723}," 4a8ff3a8-...\n",[692,2206,2208],{"id":2207},"error-handling","Error Handling",[618,2210,628,2211,2214],{},[622,2212,2213],{},"createError"," for structured errors and handle them with try\u002Fcatch:",[2216,2217,2218],"code-collapse",{},[704,2219,2221],{"className":777,"code":2220,"filename":779,"language":780,"meta":710,"style":710},"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",[622,2222,2223,2248,2270,2274,2304,2308,2342,2349,2370,2407,2411,2435,2446,2458,2474,2490,2506,2513,2518,2522,2532,2557,2574,2617,2628,2633,2651,2666,2683,2700,2717,2741,2747],{"__ignoreMap":710},[714,2224,2225,2227,2229,2232,2234,2237,2239,2241,2243,2246],{"class":716,"line":717},[714,2226,788],{"class":787},[714,2228,792],{"class":791},[714,2230,2231],{"class":795}," createError",[714,2233,799],{"class":791},[714,2235,2236],{"class":795}," 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 try",[714,2348,926],{"class":791},[714,2350,2351,2354,2357,2359,2361,2364,2366,2368],{"class":716,"line":929},[714,2352,2353],{"class":894},"    const",[714,2355,2356],{"class":795}," body",[714,2358,1388],{"class":791},[714,2360,1891],{"class":787},[714,2362,2363],{"class":795}," request",[714,2365,935],{"class":791},[714,2367,990],{"class":829},[714,2369,1638],{"class":842},[714,2371,2372,2374,2376,2378,2380,2382,2385,2387,2389,2392,2394,2396,2398,2401,2403,2405],{"class":716,"line":962},[714,2373,1206],{"class":795},[714,2375,935],{"class":791},[714,2377,938],{"class":829},[714,2379,833],{"class":842},[714,2381,943],{"class":791},[714,2383,2384],{"class":842}," payment",[714,2386,846],{"class":791},[714,2388,792],{"class":791},[714,2390,2391],{"class":842}," 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}\n",[714,2748,2750,2752],{"class":716,"line":2749},33,[714,2751,870],{"class":791},[714,2753,873],{"class":795},[692,2755,557],{"id":2756},"configuration",[618,2758,2759,2760,2763,2764,2767],{},"See the ",[681,2761,2762],{"href":558},"Configuration reference"," for all available options (",[622,2765,2766],{},"initLogger",", middleware options, sampling, silent mode, etc.).",[692,2769,2771],{"id":2770},"drain-enrichers","Drain & Enrichers",[618,2773,2774,2775,2777],{},"Configure drain and enrichers via ",[622,2776,830],{}," options:",[704,2779,2781],{"className":777,"code":2780,"filename":779,"language":780,"meta":710,"style":710},"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",[622,2782,2783,2806,2824,2844,2864,2886,2890,2916,2945,2951,2971,2984,2988,2996,3016,3023,3040,3051,3055],{"__ignoreMap":710},[714,2784,2785,2787,2789,2791,2793,2796,2798,2800,2802,2804],{"class":716,"line":717},[714,2786,788],{"class":787},[714,2788,792],{"class":791},[714,2790,796],{"class":795},[714,2792,799],{"class":791},[714,2794,2795],{"class":795}," 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