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context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":603,"title":295,"body":604,"description":3166,"extension":3167,"links":3168,"meta":3169,"navigation":3170,"path":296,"seo":3171,"stem":297,"__hash__":3172},"docs\u002F4.integrate\u002Fframeworks\u002F12.cloudflare-workers.md",{"type":605,"value":606,"toc":3151},"minimark",[607,616,634,681,685,690,761,765,1005,1028,1059,1062,1067,1475,1479,1491,1659,1699,1702,1705,2130,2195,2199,2205,2744,2747,2758,2762,2768,3051,3058,3062,3065,3094,3098,3112,3116,3147],[608,609,610,611,615],"p",{},"The ",[612,613,614],"code",{},"evlog\u002Fworkers"," adapter instruments Cloudflare Workers and Durable Objects with request-scoped loggers carrying Cloudflare-specific context.",[608,617,618,619,625,626,629,630,633],{},"Use ",[620,621,622],"strong",{},[612,623,624],{},"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 ",[612,627,628],{},"defineWorkerFetch"," or ",[612,631,632],{},"createWorkersLogger"," when you'd rather own the emit yourself.",[635,636,639,642,667],"prompt",{":actions":637,"description":638,"icon":298},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my Cloudflare Worker",[608,640,641],{},"Set up evlog in my Cloudflare Worker.",[643,644,645,649,652,655,661,664],"ul",{},[646,647,648],"li",{},"Install evlog: pnpm add evlog",[646,650,651],{},"Import initWorkersLogger and withEvlog from 'evlog\u002Fworkers'",[646,653,654],{},"Call initWorkersLogger({ env: { service: 'my-worker' } }) at the top level",[646,656,657,658,660],{},"Wrap the fetch handler with ",[620,659,624],{}," (recommended). It emits the wide event for you and accepts include\u002Fexclude, routes, redact, enrich, keep, plugins and drain",[646,662,663],{},"Use log.set() to accumulate context throughout the request",[646,665,666],{},"Only use defineWorkerFetch or createWorkersLogger if you want to call log.emit() yourself",[608,668,669,670,676,677],{},"Docs: ",[671,672,673],"a",{"href":673,"rel":674},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers",[675],"nofollow","\nAdapters: ",[671,678,679],{"href":679,"rel":680},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[675],[682,683,25],"h2",{"id":684},"quick-start",[686,687,689],"h3",{"id":688},"_1-install","1. Install",[691,692,693,718,732,746],"code-group",{},[694,695,701],"pre",{"className":696,"code":697,"filename":698,"language":699,"meta":700,"style":700},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog\n","pnpm","bash","",[612,702,703],{"__ignoreMap":700},[704,705,708,711,715],"span",{"class":706,"line":707},"line",1,[704,709,698],{"class":710},"sBMFI",[704,712,714],{"class":713},"sfazB"," add",[704,716,717],{"class":713}," evlog\n",[694,719,722],{"className":696,"code":720,"filename":721,"language":699,"meta":700,"style":700},"bun add evlog\n","bun",[612,723,724],{"__ignoreMap":700},[704,725,726,728,730],{"class":706,"line":707},[704,727,721],{"class":710},[704,729,714],{"class":713},[704,731,717],{"class":713},[694,733,736],{"className":696,"code":734,"filename":735,"language":699,"meta":700,"style":700},"yarn add evlog\n","yarn",[612,737,738],{"__ignoreMap":700},[704,739,740,742,744],{"class":706,"line":707},[704,741,735],{"class":710},[704,743,714],{"class":713},[704,745,717],{"class":713},[694,747,750],{"className":696,"code":748,"filename":749,"language":699,"meta":700,"style":700},"npm install evlog\n","npm",[612,751,752],{"__ignoreMap":700},[704,753,754,756,759],{"class":706,"line":707},[704,755,749],{"class":710},[704,757,758],{"class":713}," install",[704,760,717],{"class":713},[686,762,764],{"id":763},"_2-wrap-your-fetch-handler","2. Wrap your fetch handler",[694,766,771],{"className":767,"code":768,"filename":769,"language":770,"meta":700,"style":700},"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",[612,772,773,807,814,827,855,864,869,917,950,955,962,967,998],{"__ignoreMap":700},[704,774,775,779,783,787,790,793,796,799,802,804],{"class":706,"line":707},[704,776,778],{"class":777},"s7zQu","import",[704,780,782],{"class":781},"sMK4o"," {",[704,784,786],{"class":785},"sTEyZ"," initWorkersLogger",[704,788,789],{"class":781},",",[704,791,792],{"class":785}," withEvlog",[704,794,795],{"class":781}," }",[704,797,798],{"class":777}," from",[704,800,801],{"class":781}," '",[704,803,614],{"class":713},[704,805,806],{"class":781},"'\n",[704,808,810],{"class":706,"line":809},2,[704,811,813],{"emptyLinePlaceholder":812},true,"\n",[704,815,817,821,824],{"class":706,"line":816},3,[704,818,820],{"class":819},"s2Zo4","initWorkersLogger",[704,822,823],{"class":785},"(",[704,825,826],{"class":781},"{\n",[704,828,830,834,837,839,842,844,846,849,852],{"class":706,"line":829},4,[704,831,833],{"class":832},"swJcz","  env",[704,835,836],{"class":781},":",[704,838,782],{"class":781},[704,840,841],{"class":832}," service",[704,843,836],{"class":781},[704,845,801],{"class":781},[704,847,848],{"class":713},"my-worker",[704,850,851],{"class":781},"'",[704,853,854],{"class":781}," },\n",[704,856,858,861],{"class":706,"line":857},5,[704,859,860],{"class":781},"}",[704,862,863],{"class":785},")\n",[704,865,867],{"class":706,"line":866},6,[704,868,813],{"emptyLinePlaceholder":812},[704,870,872,875,878,880,882,886,889,893,895,898,900,903,905,908,911,914],{"class":706,"line":871},7,[704,873,874],{"class":777},"export",[704,876,877],{"class":777}," default",[704,879,792],{"class":819},[704,881,823],{"class":785},[704,883,885],{"class":884},"spNyl","async",[704,887,888],{"class":781}," (",[704,890,892],{"class":891},"sHdIc","request",[704,894,789],{"class":781},[704,896,897],{"class":891}," _env",[704,899,789],{"class":781},[704,901,902],{"class":891}," _ctx",[704,904,789],{"class":781},[704,906,907],{"class":891}," log",[704,909,910],{"class":781},")",[704,912,913],{"class":884}," =>",[704,915,916],{"class":781}," {\n",[704,918,920,923,926,929,931,934,937,939,941,944,946,948],{"class":706,"line":919},8,[704,921,922],{"class":785},"  log",[704,924,925],{"class":781},".",[704,927,928],{"class":819},"set",[704,930,823],{"class":832},[704,932,933],{"class":781},"{",[704,935,936],{"class":832}," action",[704,938,836],{"class":781},[704,940,801],{"class":781},[704,942,943],{"class":713},"handle_request",[704,945,851],{"class":781},[704,947,795],{"class":781},[704,949,863],{"class":832},[704,951,953],{"class":706,"line":952},9,[704,954,813],{"emptyLinePlaceholder":812},[704,956,958],{"class":706,"line":957},10,[704,959,961],{"class":960},"sHwdD","  \u002F\u002F ... your handler logic\n",[704,963,965],{"class":706,"line":964},11,[704,966,813],{"emptyLinePlaceholder":812},[704,968,970,973,976,978,981,983,985,988,990,994,996],{"class":706,"line":969},12,[704,971,972],{"class":777},"  return",[704,974,975],{"class":785}," Response",[704,977,925],{"class":781},[704,979,980],{"class":819},"json",[704,982,823],{"class":832},[704,984,933],{"class":781},[704,986,987],{"class":832}," ok",[704,989,836],{"class":781},[704,991,993],{"class":992},"sfNiH"," true",[704,995,795],{"class":781},[704,997,863],{"class":832},[704,999,1001,1003],{"class":706,"line":1000},13,[704,1002,860],{"class":781},[704,1004,863],{"class":785},[608,1006,1007,1009,1010,1013,1014,1017,1018,1023,1024,1027],{},[612,1008,624],{}," emits one wide event per request when the handler returns, with no manual ",[612,1011,1012],{},"log.emit()",". It reads ",[612,1015,1016],{},"ExecutionContext"," off the third argument, so async ",[620,1019,1020],{},[612,1021,1022],{},"drain"," calls (PostHog, Axiom, …) are registered with ",[612,1025,1026],{},"waitUntil"," and stay alive after the response is returned. Streaming responses defer the emit until the body completes.",[608,1029,1030,1033,1034,1037,1038,1041,1042,1045,1046,1045,1049,1045,1051,1054,1055,1058],{},[612,1031,1032],{},"requestId"," comes from ",[612,1035,1036],{},"x-request-id"," when the caller sends one, falling back to ",[612,1039,1040],{},"cf-ray",". ",[612,1043,1044],{},"method",", ",[612,1047,1048],{},"path",[612,1050,1040],{},[612,1052,1053],{},"traceparent"," and the safe subset of ",[612,1056,1057],{},"request.cf"," are captured automatically.",[686,1060,346],{"id":1061},"options",[608,1063,1064,1066],{},[612,1065,624],{}," accepts the same options as every other framework integration:",[694,1068,1070],{"className":767,"code":1069,"filename":769,"language":770,"meta":700,"style":700},"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",[612,1071,1072,1094,1114,1118,1149,1153,1164,1192,1221,1246,1251,1256,1271,1293,1329,1341,1360,1399,1405,1423,1460,1465,1470],{"__ignoreMap":700},[704,1073,1074,1076,1078,1080,1082,1084,1086,1088,1090,1092],{"class":706,"line":707},[704,1075,778],{"class":777},[704,1077,782],{"class":781},[704,1079,786],{"class":785},[704,1081,789],{"class":781},[704,1083,792],{"class":785},[704,1085,795],{"class":781},[704,1087,798],{"class":777},[704,1089,801],{"class":781},[704,1091,614],{"class":713},[704,1093,806],{"class":781},[704,1095,1096,1098,1100,1103,1105,1107,1109,1112],{"class":706,"line":809},[704,1097,778],{"class":777},[704,1099,782],{"class":781},[704,1101,1102],{"class":785}," createAxiomDrain",[704,1104,795],{"class":781},[704,1106,798],{"class":777},[704,1108,801],{"class":781},[704,1110,1111],{"class":713},"evlog\u002Faxiom",[704,1113,806],{"class":781},[704,1115,1116],{"class":706,"line":816},[704,1117,813],{"emptyLinePlaceholder":812},[704,1119,1120,1122,1124,1126,1129,1131,1133,1135,1137,1139,1141,1143,1145,1147],{"class":706,"line":829},[704,1121,820],{"class":819},[704,1123,823],{"class":785},[704,1125,933],{"class":781},[704,1127,1128],{"class":832}," env",[704,1130,836],{"class":781},[704,1132,782],{"class":781},[704,1134,841],{"class":832},[704,1136,836],{"class":781},[704,1138,801],{"class":781},[704,1140,848],{"class":713},[704,1142,851],{"class":781},[704,1144,795],{"class":781},[704,1146,795],{"class":781},[704,1148,863],{"class":785},[704,1150,1151],{"class":706,"line":857},[704,1152,813],{"emptyLinePlaceholder":812},[704,1154,1155,1157,1159,1161],{"class":706,"line":866},[704,1156,874],{"class":777},[704,1158,877],{"class":777},[704,1160,792],{"class":819},[704,1162,1163],{"class":785},"(\n",[704,1165,1166,1169,1171,1173,1175,1177,1179,1182,1184,1186,1188,1190],{"class":706,"line":871},[704,1167,1168],{"class":884},"  async",[704,1170,888],{"class":781},[704,1172,892],{"class":891},[704,1174,789],{"class":781},[704,1176,1128],{"class":891},[704,1178,789],{"class":781},[704,1180,1181],{"class":891}," ctx",[704,1183,789],{"class":781},[704,1185,907],{"class":891},[704,1187,910],{"class":781},[704,1189,913],{"class":884},[704,1191,916],{"class":781},[704,1193,1194,1197,1199,1201,1203,1205,1208,1210,1212,1215,1217,1219],{"class":706,"line":919},[704,1195,1196],{"class":785},"    log",[704,1198,925],{"class":781},[704,1200,928],{"class":819},[704,1202,823],{"class":832},[704,1204,933],{"class":781},[704,1206,1207],{"class":832}," route",[704,1209,836],{"class":781},[704,1211,801],{"class":781},[704,1213,1214],{"class":713},"checkout",[704,1216,851],{"class":781},[704,1218,795],{"class":781},[704,1220,863],{"class":832},[704,1222,1223,1226,1228,1230,1232,1234,1236,1238,1240,1242,1244],{"class":706,"line":952},[704,1224,1225],{"class":777},"    return",[704,1227,975],{"class":785},[704,1229,925],{"class":781},[704,1231,980],{"class":819},[704,1233,823],{"class":832},[704,1235,933],{"class":781},[704,1237,987],{"class":832},[704,1239,836],{"class":781},[704,1241,993],{"class":992},[704,1243,795],{"class":781},[704,1245,863],{"class":832},[704,1247,1248],{"class":706,"line":957},[704,1249,1250],{"class":781},"  },\n",[704,1252,1253],{"class":706,"line":964},[704,1254,1255],{"class":781},"  {\n",[704,1257,1258,1261,1263,1265,1268],{"class":706,"line":969},[704,1259,1260],{"class":832},"    drain",[704,1262,836],{"class":781},[704,1264,1102],{"class":819},[704,1266,1267],{"class":785},"()",[704,1269,1270],{"class":781},",\n",[704,1272,1273,1276,1278,1281,1283,1286,1288,1291],{"class":706,"line":1000},[704,1274,1275],{"class":832},"    exclude",[704,1277,836],{"class":781},[704,1279,1280],{"class":785}," [",[704,1282,851],{"class":781},[704,1284,1285],{"class":713},"\u002Fhealth",[704,1287,851],{"class":781},[704,1289,1290],{"class":785},"]",[704,1292,1270],{"class":781},[704,1294,1296,1299,1301,1303,1305,1308,1310,1312,1314,1316,1318,1320,1323,1325,1327],{"class":706,"line":1295},14,[704,1297,1298],{"class":832},"    routes",[704,1300,836],{"class":781},[704,1302,782],{"class":781},[704,1304,801],{"class":781},[704,1306,1307],{"class":832},"\u002Fapi\u002F**",[704,1309,851],{"class":781},[704,1311,836],{"class":781},[704,1313,782],{"class":781},[704,1315,841],{"class":832},[704,1317,836],{"class":781},[704,1319,801],{"class":781},[704,1321,1322],{"class":713},"api",[704,1324,851],{"class":781},[704,1326,795],{"class":781},[704,1328,854],{"class":781},[704,1330,1332,1335,1337,1339],{"class":706,"line":1331},15,[704,1333,1334],{"class":832},"    redact",[704,1336,836],{"class":781},[704,1338,993],{"class":992},[704,1340,1270],{"class":781},[704,1342,1344,1347,1349,1351,1354,1356,1358],{"class":706,"line":1343},16,[704,1345,1346],{"class":819},"    enrich",[704,1348,836],{"class":781},[704,1350,888],{"class":781},[704,1352,1353],{"class":891},"ctx",[704,1355,910],{"class":781},[704,1357,913],{"class":884},[704,1359,916],{"class":781},[704,1361,1363,1366,1368,1371,1373,1376,1379,1381,1383,1385,1387,1389,1392,1394,1397],{"class":706,"line":1362},17,[704,1364,1365],{"class":785},"      ctx",[704,1367,925],{"class":781},[704,1369,1370],{"class":785},"event",[704,1372,925],{"class":781},[704,1374,1375],{"class":785},"colo",[704,1377,1378],{"class":781}," =",[704,1380,1181],{"class":785},[704,1382,925],{"class":781},[704,1384,1370],{"class":785},[704,1386,925],{"class":781},[704,1388,1375],{"class":785},[704,1390,1391],{"class":781}," ??",[704,1393,801],{"class":781},[704,1395,1396],{"class":713},"unknown",[704,1398,806],{"class":781},[704,1400,1402],{"class":706,"line":1401},18,[704,1403,1404],{"class":781},"    },\n",[704,1406,1408,1411,1413,1415,1417,1419,1421],{"class":706,"line":1407},19,[704,1409,1410],{"class":819},"    keep",[704,1412,836],{"class":781},[704,1414,888],{"class":781},[704,1416,1353],{"class":891},[704,1418,910],{"class":781},[704,1420,913],{"class":884},[704,1422,916],{"class":781},[704,1424,1426,1429,1431,1433,1435,1438,1441,1445,1448,1450,1452,1455,1457],{"class":706,"line":1425},20,[704,1427,1428],{"class":777},"      if",[704,1430,888],{"class":832},[704,1432,1353],{"class":785},[704,1434,925],{"class":781},[704,1436,1437],{"class":785},"duration",[704,1439,1440],{"class":781}," >",[704,1442,1444],{"class":1443},"sbssI"," 1000",[704,1446,1447],{"class":832},") ",[704,1449,1353],{"class":785},[704,1451,925],{"class":781},[704,1453,1454],{"class":785},"shouldKeep",[704,1456,1378],{"class":781},[704,1458,1459],{"class":992}," true\n",[704,1461,1463],{"class":706,"line":1462},21,[704,1464,1404],{"class":781},[704,1466,1468],{"class":706,"line":1467},22,[704,1469,1250],{"class":781},[704,1471,1473],{"class":706,"line":1472},23,[704,1474,863],{"class":785},[686,1476,1478],{"id":1477},"emitting-manually","Emitting manually",[608,1480,1481,1482,1484,1485,1487,1488,1490],{},"Prefer to own the emit? ",[612,1483,628],{}," wires ",[612,1486,1016],{}," for you but leaves ",[612,1489,1012],{}," to you:",[694,1492,1494],{"className":767,"code":1493,"filename":769,"language":770,"meta":700,"style":700},"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",[612,1495,1496,1519,1523,1553,1557,1591,1617,1629,1653],{"__ignoreMap":700},[704,1497,1498,1500,1502,1505,1507,1509,1511,1513,1515,1517],{"class":706,"line":707},[704,1499,778],{"class":777},[704,1501,782],{"class":781},[704,1503,1504],{"class":785}," defineWorkerFetch",[704,1506,789],{"class":781},[704,1508,786],{"class":785},[704,1510,795],{"class":781},[704,1512,798],{"class":777},[704,1514,801],{"class":781},[704,1516,614],{"class":713},[704,1518,806],{"class":781},[704,1520,1521],{"class":706,"line":809},[704,1522,813],{"emptyLinePlaceholder":812},[704,1524,1525,1527,1529,1531,1533,1535,1537,1539,1541,1543,1545,1547,1549,1551],{"class":706,"line":816},[704,1526,820],{"class":819},[704,1528,823],{"class":785},[704,1530,933],{"class":781},[704,1532,1128],{"class":832},[704,1534,836],{"class":781},[704,1536,782],{"class":781},[704,1538,841],{"class":832},[704,1540,836],{"class":781},[704,1542,801],{"class":781},[704,1544,848],{"class":713},[704,1546,851],{"class":781},[704,1548,795],{"class":781},[704,1550,795],{"class":781},[704,1552,863],{"class":785},[704,1554,1555],{"class":706,"line":829},[704,1556,813],{"emptyLinePlaceholder":812},[704,1558,1559,1561,1563,1565,1567,1569,1571,1573,1575,1577,1579,1581,1583,1585,1587,1589],{"class":706,"line":857},[704,1560,874],{"class":777},[704,1562,877],{"class":777},[704,1564,1504],{"class":819},[704,1566,823],{"class":785},[704,1568,885],{"class":884},[704,1570,888],{"class":781},[704,1572,892],{"class":891},[704,1574,789],{"class":781},[704,1576,897],{"class":891},[704,1578,789],{"class":781},[704,1580,902],{"class":891},[704,1582,789],{"class":781},[704,1584,907],{"class":891},[704,1586,910],{"class":781},[704,1588,913],{"class":884},[704,1590,916],{"class":781},[704,1592,1593,1595,1597,1599,1601,1603,1605,1607,1609,1611,1613,1615],{"class":706,"line":866},[704,1594,922],{"class":785},[704,1596,925],{"class":781},[704,1598,928],{"class":819},[704,1600,823],{"class":832},[704,1602,933],{"class":781},[704,1604,936],{"class":832},[704,1606,836],{"class":781},[704,1608,801],{"class":781},[704,1610,943],{"class":713},[704,1612,851],{"class":781},[704,1614,795],{"class":781},[704,1616,863],{"class":832},[704,1618,1619,1621,1623,1626],{"class":706,"line":871},[704,1620,922],{"class":785},[704,1622,925],{"class":781},[704,1624,1625],{"class":819},"emit",[704,1627,1628],{"class":832},"()\n",[704,1630,1631,1633,1635,1637,1639,1641,1643,1645,1647,1649,1651],{"class":706,"line":919},[704,1632,972],{"class":777},[704,1634,975],{"class":785},[704,1636,925],{"class":781},[704,1638,980],{"class":819},[704,1640,823],{"class":832},[704,1642,933],{"class":781},[704,1644,987],{"class":832},[704,1646,836],{"class":781},[704,1648,993],{"class":992},[704,1650,795],{"class":781},[704,1652,863],{"class":832},[704,1654,1655,1657],{"class":706,"line":952},[704,1656,860],{"class":781},[704,1658,863],{"class":785},[1660,1661,1663,1665,1666,1668,1669,1672,1673,1045,1676,1045,1679,1045,1682,1045,1685,1665,1688,1691,1692,1695,1696,1698],"callout",{"color":1662,"icon":13},"info",[612,1664,628],{}," and ",[612,1667,632],{}," are the low-level path: they create the logger and leave the lifecycle to you, so ",[612,1670,1671],{},"include"," \u002F ",[612,1674,1675],{},"exclude",[612,1677,1678],{},"routes",[612,1680,1681],{},"redact",[612,1683,1684],{},"enrich",[612,1686,1687],{},"keep",[612,1689,1690],{},"plugins"," do ",[620,1693,1694],{},"not"," apply. Use ",[612,1697,624],{}," to get them.",[682,1700,51],{"id":1701},"wide-events",[608,1703,1704],{},"Build up context progressively, then emit at the end:",[694,1706,1708],{"className":767,"code":1707,"filename":769,"language":770,"meta":700,"style":700},"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",[612,1709,1710,1732,1736,1744,1764,1770,1774,1808,1835,1839,1866,1870,1943,1993,1997,2050,2086,2090,2100,2124],{"__ignoreMap":700},[704,1711,1712,1714,1716,1718,1720,1722,1724,1726,1728,1730],{"class":706,"line":707},[704,1713,778],{"class":777},[704,1715,782],{"class":781},[704,1717,1504],{"class":785},[704,1719,789],{"class":781},[704,1721,786],{"class":785},[704,1723,795],{"class":781},[704,1725,798],{"class":777},[704,1727,801],{"class":781},[704,1729,614],{"class":713},[704,1731,806],{"class":781},[704,1733,1734],{"class":706,"line":809},[704,1735,813],{"emptyLinePlaceholder":812},[704,1737,1738,1740,1742],{"class":706,"line":816},[704,1739,820],{"class":819},[704,1741,823],{"class":785},[704,1743,826],{"class":781},[704,1745,1746,1748,1750,1752,1754,1756,1758,1760,1762],{"class":706,"line":829},[704,1747,833],{"class":832},[704,1749,836],{"class":781},[704,1751,782],{"class":781},[704,1753,841],{"class":832},[704,1755,836],{"class":781},[704,1757,801],{"class":781},[704,1759,848],{"class":713},[704,1761,851],{"class":781},[704,1763,854],{"class":781},[704,1765,1766,1768],{"class":706,"line":857},[704,1767,860],{"class":781},[704,1769,863],{"class":785},[704,1771,1772],{"class":706,"line":866},[704,1773,813],{"emptyLinePlaceholder":812},[704,1775,1776,1778,1780,1782,1784,1786,1788,1790,1792,1794,1796,1798,1800,1802,1804,1806],{"class":706,"line":871},[704,1777,874],{"class":777},[704,1779,877],{"class":777},[704,1781,1504],{"class":819},[704,1783,823],{"class":785},[704,1785,885],{"class":884},[704,1787,888],{"class":781},[704,1789,892],{"class":891},[704,1791,789],{"class":781},[704,1793,1128],{"class":891},[704,1795,789],{"class":781},[704,1797,902],{"class":891},[704,1799,789],{"class":781},[704,1801,907],{"class":891},[704,1803,910],{"class":781},[704,1805,913],{"class":884},[704,1807,916],{"class":781},[704,1809,1810,1813,1816,1818,1821,1824,1826,1828,1830,1833],{"class":706,"line":919},[704,1811,1812],{"class":884},"  const",[704,1814,1815],{"class":785}," url",[704,1817,1378],{"class":781},[704,1819,1820],{"class":781}," new",[704,1822,1823],{"class":819}," URL",[704,1825,823],{"class":832},[704,1827,892],{"class":785},[704,1829,925],{"class":781},[704,1831,1832],{"class":785},"url",[704,1834,863],{"class":832},[704,1836,1837],{"class":706,"line":952},[704,1838,813],{"emptyLinePlaceholder":812},[704,1840,1841,1843,1845,1847,1849,1851,1853,1855,1857,1859,1862,1864],{"class":706,"line":957},[704,1842,922],{"class":785},[704,1844,925],{"class":781},[704,1846,928],{"class":819},[704,1848,823],{"class":832},[704,1850,933],{"class":781},[704,1852,1207],{"class":832},[704,1854,836],{"class":781},[704,1856,1815],{"class":785},[704,1858,925],{"class":781},[704,1860,1861],{"class":785},"pathname",[704,1863,795],{"class":781},[704,1865,863],{"class":832},[704,1867,1868],{"class":706,"line":964},[704,1869,813],{"emptyLinePlaceholder":812},[704,1871,1872,1874,1877,1879,1882,1884,1886,1889,1891,1894,1896,1898,1901,1903,1905,1907,1910,1912,1914,1916,1919,1921,1924,1926,1928,1931,1933,1936,1938,1941],{"class":706,"line":969},[704,1873,1812],{"class":884},[704,1875,1876],{"class":785}," user",[704,1878,1378],{"class":781},[704,1880,1881],{"class":777}," await",[704,1883,1128],{"class":785},[704,1885,925],{"class":781},[704,1887,1888],{"class":785},"DB",[704,1890,925],{"class":781},[704,1892,1893],{"class":819},"prepare",[704,1895,823],{"class":832},[704,1897,851],{"class":781},[704,1899,1900],{"class":713},"SELECT * FROM users WHERE id = ?",[704,1902,851],{"class":781},[704,1904,910],{"class":832},[704,1906,925],{"class":781},[704,1908,1909],{"class":819},"bind",[704,1911,823],{"class":832},[704,1913,1832],{"class":785},[704,1915,925],{"class":781},[704,1917,1918],{"class":785},"searchParams",[704,1920,925],{"class":781},[704,1922,1923],{"class":819},"get",[704,1925,823],{"class":832},[704,1927,851],{"class":781},[704,1929,1930],{"class":713},"userId",[704,1932,851],{"class":781},[704,1934,1935],{"class":832},"))",[704,1937,925],{"class":781},[704,1939,1940],{"class":819},"first",[704,1942,1628],{"class":832},[704,1944,1945,1947,1949,1951,1953,1955,1957,1959,1961,1964,1966,1968,1970,1973,1975,1978,1980,1982,1984,1987,1989,1991],{"class":706,"line":1000},[704,1946,922],{"class":785},[704,1948,925],{"class":781},[704,1950,928],{"class":819},[704,1952,823],{"class":832},[704,1954,933],{"class":781},[704,1956,1876],{"class":832},[704,1958,836],{"class":781},[704,1960,782],{"class":781},[704,1962,1963],{"class":832}," id",[704,1965,836],{"class":781},[704,1967,1876],{"class":785},[704,1969,925],{"class":781},[704,1971,1972],{"class":785},"id",[704,1974,789],{"class":781},[704,1976,1977],{"class":832}," plan",[704,1979,836],{"class":781},[704,1981,1876],{"class":785},[704,1983,925],{"class":781},[704,1985,1986],{"class":785},"plan",[704,1988,795],{"class":781},[704,1990,795],{"class":781},[704,1992,863],{"class":832},[704,1994,1995],{"class":706,"line":1295},[704,1996,813],{"emptyLinePlaceholder":812},[704,1998,1999,2001,2004,2006,2008,2010,2012,2014,2016,2018,2020,2022,2025,2027,2029,2031,2033,2035,2038,2040,2042,2044,2046,2048],{"class":706,"line":1331},[704,2000,1812],{"class":884},[704,2002,2003],{"class":785}," orders",[704,2005,1378],{"class":781},[704,2007,1881],{"class":777},[704,2009,1128],{"class":785},[704,2011,925],{"class":781},[704,2013,1888],{"class":785},[704,2015,925],{"class":781},[704,2017,1893],{"class":819},[704,2019,823],{"class":832},[704,2021,851],{"class":781},[704,2023,2024],{"class":713},"SELECT COUNT(*) as count FROM orders WHERE user_id = ?",[704,2026,851],{"class":781},[704,2028,910],{"class":832},[704,2030,925],{"class":781},[704,2032,1909],{"class":819},[704,2034,823],{"class":832},[704,2036,2037],{"class":785},"user",[704,2039,925],{"class":781},[704,2041,1972],{"class":785},[704,2043,910],{"class":832},[704,2045,925],{"class":781},[704,2047,1940],{"class":819},[704,2049,1628],{"class":832},[704,2051,2052,2054,2056,2058,2060,2062,2064,2066,2068,2071,2073,2075,2077,2080,2082,2084],{"class":706,"line":1343},[704,2053,922],{"class":785},[704,2055,925],{"class":781},[704,2057,928],{"class":819},[704,2059,823],{"class":832},[704,2061,933],{"class":781},[704,2063,2003],{"class":832},[704,2065,836],{"class":781},[704,2067,782],{"class":781},[704,2069,2070],{"class":832}," count",[704,2072,836],{"class":781},[704,2074,2003],{"class":785},[704,2076,925],{"class":781},[704,2078,2079],{"class":785},"count",[704,2081,795],{"class":781},[704,2083,795],{"class":781},[704,2085,863],{"class":832},[704,2087,2088],{"class":706,"line":1362},[704,2089,813],{"emptyLinePlaceholder":812},[704,2091,2092,2094,2096,2098],{"class":706,"line":1401},[704,2093,922],{"class":785},[704,2095,925],{"class":781},[704,2097,1625],{"class":819},[704,2099,1628],{"class":832},[704,2101,2102,2104,2106,2108,2110,2112,2114,2116,2118,2120,2122],{"class":706,"line":1407},[704,2103,972],{"class":777},[704,2105,975],{"class":785},[704,2107,925],{"class":781},[704,2109,980],{"class":819},[704,2111,823],{"class":832},[704,2113,933],{"class":781},[704,2115,1876],{"class":785},[704,2117,789],{"class":781},[704,2119,2003],{"class":785},[704,2121,795],{"class":781},[704,2123,863],{"class":832},[704,2125,2126,2128],{"class":706,"line":1425},[704,2127,860],{"class":781},[704,2129,863],{"class":785},[694,2131,2134],{"className":696,"code":2132,"filename":2133,"language":699,"meta":700,"style":700},"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",[612,2135,2136,2147,2161,2174,2184],{"__ignoreMap":700},[704,2137,2138,2141,2144],{"class":706,"line":707},[704,2139,2140],{"class":710},"14:58:15",[704,2142,2143],{"class":713}," INFO",[704,2145,2146],{"class":785}," [my-worker] GET \u002Fapi\u002Fusers 200 in 12ms\n",[704,2148,2149,2152,2155,2158],{"class":706,"line":809},[704,2150,2151],{"class":710},"  ├─",[704,2153,2154],{"class":713}," orders:",[704,2156,2157],{"class":713}," count=",[704,2159,2160],{"class":1443},"5\n",[704,2162,2163,2165,2168,2171],{"class":706,"line":816},[704,2164,2151],{"class":710},[704,2166,2167],{"class":713}," user:",[704,2169,2170],{"class":713}," id=usr_123",[704,2172,2173],{"class":713}," plan=pro\n",[704,2175,2176,2178,2181],{"class":706,"line":829},[704,2177,2151],{"class":710},[704,2179,2180],{"class":713}," route:",[704,2182,2183],{"class":713}," \u002Fapi\u002Fusers\n",[704,2185,2186,2189,2192],{"class":706,"line":857},[704,2187,2188],{"class":710},"  └─",[704,2190,2191],{"class":713}," requestId:",[704,2193,2194],{"class":713}," 4a8ff3a8-...\n",[682,2196,2198],{"id":2197},"error-handling","Error Handling",[608,2200,618,2201,2204],{},[612,2202,2203],{},"createError"," for structured errors and handle them with try\u002Fcatch:",[2206,2207,2208],"code-collapse",{},[694,2209,2211],{"className":767,"code":2210,"filename":769,"language":770,"meta":700,"style":700},"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",[612,2212,2213,2238,2260,2264,2294,2298,2332,2339,2360,2397,2401,2425,2436,2448,2464,2480,2496,2503,2508,2512,2522,2547,2564,2607,2618,2623,2641,2656,2673,2690,2707,2731,2737],{"__ignoreMap":700},[704,2214,2215,2217,2219,2222,2224,2227,2229,2231,2233,2236],{"class":706,"line":707},[704,2216,778],{"class":777},[704,2218,782],{"class":781},[704,2220,2221],{"class":785}," createError",[704,2223,789],{"class":781},[704,2225,2226],{"class":785}," 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 try",[704,2338,916],{"class":781},[704,2340,2341,2344,2347,2349,2351,2354,2356,2358],{"class":706,"line":919},[704,2342,2343],{"class":884},"    const",[704,2345,2346],{"class":785}," body",[704,2348,1378],{"class":781},[704,2350,1881],{"class":777},[704,2352,2353],{"class":785}," request",[704,2355,925],{"class":781},[704,2357,980],{"class":819},[704,2359,1628],{"class":832},[704,2361,2362,2364,2366,2368,2370,2372,2375,2377,2379,2382,2384,2386,2388,2391,2393,2395],{"class":706,"line":952},[704,2363,1196],{"class":785},[704,2365,925],{"class":781},[704,2367,928],{"class":819},[704,2369,823],{"class":832},[704,2371,933],{"class":781},[704,2373,2374],{"class":832}," payment",[704,2376,836],{"class":781},[704,2378,782],{"class":781},[704,2380,2381],{"class":832}," 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