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Reach for ",[591,606,607],{},"defineWorkerFetch"," or ",[591,610,611],{},"createWorkersLogger"," when you'd rather own the emit yourself.",[614,615,618,621,646],"prompt",{":actions":616,"description":617,"icon":298},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my Cloudflare Worker",[587,619,620],{},"Set up evlog in my Cloudflare Worker.",[622,623,624,628,631,634,640,643],"ul",{},[625,626,627],"li",{},"Install evlog: pnpm add evlog",[625,629,630],{},"Import initWorkersLogger and withEvlog from 'evlog\u002Fworkers'",[625,632,633],{},"Call initWorkersLogger({ env: { service: 'my-worker' } }) at the top level",[625,635,636,637,639],{},"Wrap the fetch handler with ",[599,638,603],{}," (recommended). It emits the wide event for you and accepts include\u002Fexclude, routes, redact, enrich, keep, plugins and drain",[625,641,642],{},"Use log.set() to accumulate context throughout the request",[625,644,645],{},"Only use defineWorkerFetch or createWorkersLogger if you want to call log.emit() yourself",[587,647,648,649,655,656],{},"Docs: ",[650,651,652],"a",{"href":652,"rel":653},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers",[654],"nofollow","\nAdapters: ",[650,657,658],{"href":658,"rel":659},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[654],[661,662,25],"h2",{"id":663},"quick-start",[665,666,668],"h3",{"id":667},"_1-install","1. Install",[670,671,672,697,711,725],"code-group",{},[673,674,680],"pre",{"className":675,"code":676,"filename":677,"language":678,"meta":679,"style":679},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog\n","pnpm","bash","",[591,681,682],{"__ignoreMap":679},[683,684,687,690,694],"span",{"class":685,"line":686},"line",1,[683,688,677],{"class":689},"sBMFI",[683,691,693],{"class":692},"sfazB"," add",[683,695,696],{"class":692}," evlog\n",[673,698,701],{"className":675,"code":699,"filename":700,"language":678,"meta":679,"style":679},"bun add evlog\n","bun",[591,702,703],{"__ignoreMap":679},[683,704,705,707,709],{"class":685,"line":686},[683,706,700],{"class":689},[683,708,693],{"class":692},[683,710,696],{"class":692},[673,712,715],{"className":675,"code":713,"filename":714,"language":678,"meta":679,"style":679},"yarn add evlog\n","yarn",[591,716,717],{"__ignoreMap":679},[683,718,719,721,723],{"class":685,"line":686},[683,720,714],{"class":689},[683,722,693],{"class":692},[683,724,696],{"class":692},[673,726,729],{"className":675,"code":727,"filename":728,"language":678,"meta":679,"style":679},"npm install evlog\n","npm",[591,730,731],{"__ignoreMap":679},[683,732,733,735,738],{"class":685,"line":686},[683,734,728],{"class":689},[683,736,737],{"class":692}," install",[683,739,696],{"class":692},[665,741,743],{"id":742},"_2-wrap-your-fetch-handler","2. Wrap your fetch handler",[673,745,750],{"className":746,"code":747,"filename":748,"language":749,"meta":679,"style":679},"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",[591,751,752,786,793,806,834,843,848,896,929,934,941,946,977],{"__ignoreMap":679},[683,753,754,758,762,766,769,772,775,778,781,783],{"class":685,"line":686},[683,755,757],{"class":756},"s7zQu","import",[683,759,761],{"class":760},"sMK4o"," {",[683,763,765],{"class":764},"sTEyZ"," initWorkersLogger",[683,767,768],{"class":760},",",[683,770,771],{"class":764}," withEvlog",[683,773,774],{"class":760}," }",[683,776,777],{"class":756}," from",[683,779,780],{"class":760}," '",[683,782,593],{"class":692},[683,784,785],{"class":760},"'\n",[683,787,789],{"class":685,"line":788},2,[683,790,792],{"emptyLinePlaceholder":791},true,"\n",[683,794,796,800,803],{"class":685,"line":795},3,[683,797,799],{"class":798},"s2Zo4","initWorkersLogger",[683,801,802],{"class":764},"(",[683,804,805],{"class":760},"{\n",[683,807,809,813,816,818,821,823,825,828,831],{"class":685,"line":808},4,[683,810,812],{"class":811},"swJcz","  env",[683,814,815],{"class":760},":",[683,817,761],{"class":760},[683,819,820],{"class":811}," service",[683,822,815],{"class":760},[683,824,780],{"class":760},[683,826,827],{"class":692},"my-worker",[683,829,830],{"class":760},"'",[683,832,833],{"class":760}," },\n",[683,835,837,840],{"class":685,"line":836},5,[683,838,839],{"class":760},"}",[683,841,842],{"class":764},")\n",[683,844,846],{"class":685,"line":845},6,[683,847,792],{"emptyLinePlaceholder":791},[683,849,851,854,857,859,861,865,868,872,874,877,879,882,884,887,890,893],{"class":685,"line":850},7,[683,852,853],{"class":756},"export",[683,855,856],{"class":756}," default",[683,858,771],{"class":798},[683,860,802],{"class":764},[683,862,864],{"class":863},"spNyl","async",[683,866,867],{"class":760}," (",[683,869,871],{"class":870},"sHdIc","request",[683,873,768],{"class":760},[683,875,876],{"class":870}," _env",[683,878,768],{"class":760},[683,880,881],{"class":870}," _ctx",[683,883,768],{"class":760},[683,885,886],{"class":870}," log",[683,888,889],{"class":760},")",[683,891,892],{"class":863}," =>",[683,894,895],{"class":760}," {\n",[683,897,899,902,905,908,910,913,916,918,920,923,925,927],{"class":685,"line":898},8,[683,900,901],{"class":764},"  log",[683,903,904],{"class":760},".",[683,906,907],{"class":798},"set",[683,909,802],{"class":811},[683,911,912],{"class":760},"{",[683,914,915],{"class":811}," action",[683,917,815],{"class":760},[683,919,780],{"class":760},[683,921,922],{"class":692},"handle_request",[683,924,830],{"class":760},[683,926,774],{"class":760},[683,928,842],{"class":811},[683,930,932],{"class":685,"line":931},9,[683,933,792],{"emptyLinePlaceholder":791},[683,935,937],{"class":685,"line":936},10,[683,938,940],{"class":939},"sHwdD","  \u002F\u002F ... your handler logic\n",[683,942,944],{"class":685,"line":943},11,[683,945,792],{"emptyLinePlaceholder":791},[683,947,949,952,955,957,960,962,964,967,969,973,975],{"class":685,"line":948},12,[683,950,951],{"class":756},"  return",[683,953,954],{"class":764}," Response",[683,956,904],{"class":760},[683,958,959],{"class":798},"json",[683,961,802],{"class":811},[683,963,912],{"class":760},[683,965,966],{"class":811}," ok",[683,968,815],{"class":760},[683,970,972],{"class":971},"sfNiH"," true",[683,974,774],{"class":760},[683,976,842],{"class":811},[683,978,980,982],{"class":685,"line":979},13,[683,981,839],{"class":760},[683,983,842],{"class":764},[587,985,986,988,989,992,993,996,997,1002,1003,1006],{},[591,987,603],{}," emits one wide event per request when the handler returns, with no manual ",[591,990,991],{},"log.emit()",". It reads ",[591,994,995],{},"ExecutionContext"," off the third argument, so async ",[599,998,999],{},[591,1000,1001],{},"drain"," calls (PostHog, Axiom, …) are registered with ",[591,1004,1005],{},"waitUntil"," and stay alive after the response is returned. Streaming responses defer the emit until the body completes.",[587,1008,1009,1012,1013,1016,1017,1020,1021,1024,1025,1024,1028,1024,1030,1033,1034,1037],{},[591,1010,1011],{},"requestId"," comes from ",[591,1014,1015],{},"x-request-id"," when the caller sends one, falling back to ",[591,1018,1019],{},"cf-ray",". ",[591,1022,1023],{},"method",", ",[591,1026,1027],{},"path",[591,1029,1019],{},[591,1031,1032],{},"traceparent"," and the safe subset of ",[591,1035,1036],{},"request.cf"," are captured automatically.",[665,1039,346],{"id":1040},"options",[587,1042,1043,1045],{},[591,1044,603],{}," accepts the same options as every other framework integration:",[673,1047,1049],{"className":746,"code":1048,"filename":748,"language":749,"meta":679,"style":679},"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",[591,1050,1051,1073,1093,1097,1128,1132,1143,1171,1200,1225,1230,1235,1250,1272,1308,1320,1339,1378,1384,1402,1439,1444,1449],{"__ignoreMap":679},[683,1052,1053,1055,1057,1059,1061,1063,1065,1067,1069,1071],{"class":685,"line":686},[683,1054,757],{"class":756},[683,1056,761],{"class":760},[683,1058,765],{"class":764},[683,1060,768],{"class":760},[683,1062,771],{"class":764},[683,1064,774],{"class":760},[683,1066,777],{"class":756},[683,1068,780],{"class":760},[683,1070,593],{"class":692},[683,1072,785],{"class":760},[683,1074,1075,1077,1079,1082,1084,1086,1088,1091],{"class":685,"line":788},[683,1076,757],{"class":756},[683,1078,761],{"class":760},[683,1080,1081],{"class":764}," createAxiomDrain",[683,1083,774],{"class":760},[683,1085,777],{"class":756},[683,1087,780],{"class":760},[683,1089,1090],{"class":692},"evlog\u002Faxiom",[683,1092,785],{"class":760},[683,1094,1095],{"class":685,"line":795},[683,1096,792],{"emptyLinePlaceholder":791},[683,1098,1099,1101,1103,1105,1108,1110,1112,1114,1116,1118,1120,1122,1124,1126],{"class":685,"line":808},[683,1100,799],{"class":798},[683,1102,802],{"class":764},[683,1104,912],{"class":760},[683,1106,1107],{"class":811}," env",[683,1109,815],{"class":760},[683,1111,761],{"class":760},[683,1113,820],{"class":811},[683,1115,815],{"class":760},[683,1117,780],{"class":760},[683,1119,827],{"class":692},[683,1121,830],{"class":760},[683,1123,774],{"class":760},[683,1125,774],{"class":760},[683,1127,842],{"class":764},[683,1129,1130],{"class":685,"line":836},[683,1131,792],{"emptyLinePlaceholder":791},[683,1133,1134,1136,1138,1140],{"class":685,"line":845},[683,1135,853],{"class":756},[683,1137,856],{"class":756},[683,1139,771],{"class":798},[683,1141,1142],{"class":764},"(\n",[683,1144,1145,1148,1150,1152,1154,1156,1158,1161,1163,1165,1167,1169],{"class":685,"line":850},[683,1146,1147],{"class":863},"  async",[683,1149,867],{"class":760},[683,1151,871],{"class":870},[683,1153,768],{"class":760},[683,1155,1107],{"class":870},[683,1157,768],{"class":760},[683,1159,1160],{"class":870}," ctx",[683,1162,768],{"class":760},[683,1164,886],{"class":870},[683,1166,889],{"class":760},[683,1168,892],{"class":863},[683,1170,895],{"class":760},[683,1172,1173,1176,1178,1180,1182,1184,1187,1189,1191,1194,1196,1198],{"class":685,"line":898},[683,1174,1175],{"class":764},"    log",[683,1177,904],{"class":760},[683,1179,907],{"class":798},[683,1181,802],{"class":811},[683,1183,912],{"class":760},[683,1185,1186],{"class":811}," route",[683,1188,815],{"class":760},[683,1190,780],{"class":760},[683,1192,1193],{"class":692},"checkout",[683,1195,830],{"class":760},[683,1197,774],{"class":760},[683,1199,842],{"class":811},[683,1201,1202,1205,1207,1209,1211,1213,1215,1217,1219,1221,1223],{"class":685,"line":931},[683,1203,1204],{"class":756},"    return",[683,1206,954],{"class":764},[683,1208,904],{"class":760},[683,1210,959],{"class":798},[683,1212,802],{"class":811},[683,1214,912],{"class":760},[683,1216,966],{"class":811},[683,1218,815],{"class":760},[683,1220,972],{"class":971},[683,1222,774],{"class":760},[683,1224,842],{"class":811},[683,1226,1227],{"class":685,"line":936},[683,1228,1229],{"class":760},"  },\n",[683,1231,1232],{"class":685,"line":943},[683,1233,1234],{"class":760},"  {\n",[683,1236,1237,1240,1242,1244,1247],{"class":685,"line":948},[683,1238,1239],{"class":811},"    drain",[683,1241,815],{"class":760},[683,1243,1081],{"class":798},[683,1245,1246],{"class":764},"()",[683,1248,1249],{"class":760},",\n",[683,1251,1252,1255,1257,1260,1262,1265,1267,1270],{"class":685,"line":979},[683,1253,1254],{"class":811},"    exclude",[683,1256,815],{"class":760},[683,1258,1259],{"class":764}," [",[683,1261,830],{"class":760},[683,1263,1264],{"class":692},"\u002Fhealth",[683,1266,830],{"class":760},[683,1268,1269],{"class":764},"]",[683,1271,1249],{"class":760},[683,1273,1275,1278,1280,1282,1284,1287,1289,1291,1293,1295,1297,1299,1302,1304,1306],{"class":685,"line":1274},14,[683,1276,1277],{"class":811},"    routes",[683,1279,815],{"class":760},[683,1281,761],{"class":760},[683,1283,780],{"class":760},[683,1285,1286],{"class":811},"\u002Fapi\u002F**",[683,1288,830],{"class":760},[683,1290,815],{"class":760},[683,1292,761],{"class":760},[683,1294,820],{"class":811},[683,1296,815],{"class":760},[683,1298,780],{"class":760},[683,1300,1301],{"class":692},"api",[683,1303,830],{"class":760},[683,1305,774],{"class":760},[683,1307,833],{"class":760},[683,1309,1311,1314,1316,1318],{"class":685,"line":1310},15,[683,1312,1313],{"class":811},"    redact",[683,1315,815],{"class":760},[683,1317,972],{"class":971},[683,1319,1249],{"class":760},[683,1321,1323,1326,1328,1330,1333,1335,1337],{"class":685,"line":1322},16,[683,1324,1325],{"class":798},"    enrich",[683,1327,815],{"class":760},[683,1329,867],{"class":760},[683,1331,1332],{"class":870},"ctx",[683,1334,889],{"class":760},[683,1336,892],{"class":863},[683,1338,895],{"class":760},[683,1340,1342,1345,1347,1350,1352,1355,1358,1360,1362,1364,1366,1368,1371,1373,1376],{"class":685,"line":1341},17,[683,1343,1344],{"class":764},"      ctx",[683,1346,904],{"class":760},[683,1348,1349],{"class":764},"event",[683,1351,904],{"class":760},[683,1353,1354],{"class":764},"colo",[683,1356,1357],{"class":760}," =",[683,1359,1160],{"class":764},[683,1361,904],{"class":760},[683,1363,1349],{"class":764},[683,1365,904],{"class":760},[683,1367,1354],{"class":764},[683,1369,1370],{"class":760}," ??",[683,1372,780],{"class":760},[683,1374,1375],{"class":692},"unknown",[683,1377,785],{"class":760},[683,1379,1381],{"class":685,"line":1380},18,[683,1382,1383],{"class":760},"    },\n",[683,1385,1387,1390,1392,1394,1396,1398,1400],{"class":685,"line":1386},19,[683,1388,1389],{"class":798},"    keep",[683,1391,815],{"class":760},[683,1393,867],{"class":760},[683,1395,1332],{"class":870},[683,1397,889],{"class":760},[683,1399,892],{"class":863},[683,1401,895],{"class":760},[683,1403,1405,1408,1410,1412,1414,1417,1420,1424,1427,1429,1431,1434,1436],{"class":685,"line":1404},20,[683,1406,1407],{"class":756},"      if",[683,1409,867],{"class":811},[683,1411,1332],{"class":764},[683,1413,904],{"class":760},[683,1415,1416],{"class":764},"duration",[683,1418,1419],{"class":760}," >",[683,1421,1423],{"class":1422},"sbssI"," 1000",[683,1425,1426],{"class":811},") ",[683,1428,1332],{"class":764},[683,1430,904],{"class":760},[683,1432,1433],{"class":764},"shouldKeep",[683,1435,1357],{"class":760},[683,1437,1438],{"class":971}," true\n",[683,1440,1442],{"class":685,"line":1441},21,[683,1443,1383],{"class":760},[683,1445,1447],{"class":685,"line":1446},22,[683,1448,1229],{"class":760},[683,1450,1452],{"class":685,"line":1451},23,[683,1453,842],{"class":764},[665,1455,1457],{"id":1456},"emitting-manually","Emitting manually",[587,1459,1460,1461,1463,1464,1466,1467,1469],{},"Prefer to own the emit? ",[591,1462,607],{}," wires ",[591,1465,995],{}," for you but leaves ",[591,1468,991],{}," to you:",[673,1471,1473],{"className":746,"code":1472,"filename":748,"language":749,"meta":679,"style":679},"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",[591,1474,1475,1498,1502,1532,1536,1570,1596,1608,1632],{"__ignoreMap":679},[683,1476,1477,1479,1481,1484,1486,1488,1490,1492,1494,1496],{"class":685,"line":686},[683,1478,757],{"class":756},[683,1480,761],{"class":760},[683,1482,1483],{"class":764}," defineWorkerFetch",[683,1485,768],{"class":760},[683,1487,765],{"class":764},[683,1489,774],{"class":760},[683,1491,777],{"class":756},[683,1493,780],{"class":760},[683,1495,593],{"class":692},[683,1497,785],{"class":760},[683,1499,1500],{"class":685,"line":788},[683,1501,792],{"emptyLinePlaceholder":791},[683,1503,1504,1506,1508,1510,1512,1514,1516,1518,1520,1522,1524,1526,1528,1530],{"class":685,"line":795},[683,1505,799],{"class":798},[683,1507,802],{"class":764},[683,1509,912],{"class":760},[683,1511,1107],{"class":811},[683,1513,815],{"class":760},[683,1515,761],{"class":760},[683,1517,820],{"class":811},[683,1519,815],{"class":760},[683,1521,780],{"class":760},[683,1523,827],{"class":692},[683,1525,830],{"class":760},[683,1527,774],{"class":760},[683,1529,774],{"class":760},[683,1531,842],{"class":764},[683,1533,1534],{"class":685,"line":808},[683,1535,792],{"emptyLinePlaceholder":791},[683,1537,1538,1540,1542,1544,1546,1548,1550,1552,1554,1556,1558,1560,1562,1564,1566,1568],{"class":685,"line":836},[683,1539,853],{"class":756},[683,1541,856],{"class":756},[683,1543,1483],{"class":798},[683,1545,802],{"class":764},[683,1547,864],{"class":863},[683,1549,867],{"class":760},[683,1551,871],{"class":870},[683,1553,768],{"class":760},[683,1555,876],{"class":870},[683,1557,768],{"class":760},[683,1559,881],{"class":870},[683,1561,768],{"class":760},[683,1563,886],{"class":870},[683,1565,889],{"class":760},[683,1567,892],{"class":863},[683,1569,895],{"class":760},[683,1571,1572,1574,1576,1578,1580,1582,1584,1586,1588,1590,1592,1594],{"class":685,"line":845},[683,1573,901],{"class":764},[683,1575,904],{"class":760},[683,1577,907],{"class":798},[683,1579,802],{"class":811},[683,1581,912],{"class":760},[683,1583,915],{"class":811},[683,1585,815],{"class":760},[683,1587,780],{"class":760},[683,1589,922],{"class":692},[683,1591,830],{"class":760},[683,1593,774],{"class":760},[683,1595,842],{"class":811},[683,1597,1598,1600,1602,1605],{"class":685,"line":850},[683,1599,901],{"class":764},[683,1601,904],{"class":760},[683,1603,1604],{"class":798},"emit",[683,1606,1607],{"class":811},"()\n",[683,1609,1610,1612,1614,1616,1618,1620,1622,1624,1626,1628,1630],{"class":685,"line":898},[683,1611,951],{"class":756},[683,1613,954],{"class":764},[683,1615,904],{"class":760},[683,1617,959],{"class":798},[683,1619,802],{"class":811},[683,1621,912],{"class":760},[683,1623,966],{"class":811},[683,1625,815],{"class":760},[683,1627,972],{"class":971},[683,1629,774],{"class":760},[683,1631,842],{"class":811},[683,1633,1634,1636],{"class":685,"line":931},[683,1635,839],{"class":760},[683,1637,842],{"class":764},[1639,1640,1642,1644,1645,1647,1648,1651,1652,1024,1655,1024,1658,1024,1661,1024,1664,1644,1667,1670,1671,1674,1675,1677],"callout",{"color":1641,"icon":13},"info",[591,1643,607],{}," and ",[591,1646,611],{}," are the low-level path: they create the logger and leave the lifecycle to you, so ",[591,1649,1650],{},"include"," \u002F ",[591,1653,1654],{},"exclude",[591,1656,1657],{},"routes",[591,1659,1660],{},"redact",[591,1662,1663],{},"enrich",[591,1665,1666],{},"keep",[591,1668,1669],{},"plugins"," do ",[599,1672,1673],{},"not"," apply. Use ",[591,1676,603],{}," to get them.",[661,1679,51],{"id":1680},"wide-events",[587,1682,1683],{},"Build up context progressively, then emit at the end:",[673,1685,1687],{"className":746,"code":1686,"filename":748,"language":749,"meta":679,"style":679},"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",[591,1688,1689,1711,1715,1723,1743,1749,1753,1787,1814,1818,1845,1849,1922,1972,1976,2029,2065,2069,2079,2103],{"__ignoreMap":679},[683,1690,1691,1693,1695,1697,1699,1701,1703,1705,1707,1709],{"class":685,"line":686},[683,1692,757],{"class":756},[683,1694,761],{"class":760},[683,1696,1483],{"class":764},[683,1698,768],{"class":760},[683,1700,765],{"class":764},[683,1702,774],{"class":760},[683,1704,777],{"class":756},[683,1706,780],{"class":760},[683,1708,593],{"class":692},[683,1710,785],{"class":760},[683,1712,1713],{"class":685,"line":788},[683,1714,792],{"emptyLinePlaceholder":791},[683,1716,1717,1719,1721],{"class":685,"line":795},[683,1718,799],{"class":798},[683,1720,802],{"class":764},[683,1722,805],{"class":760},[683,1724,1725,1727,1729,1731,1733,1735,1737,1739,1741],{"class":685,"line":808},[683,1726,812],{"class":811},[683,1728,815],{"class":760},[683,1730,761],{"class":760},[683,1732,820],{"class":811},[683,1734,815],{"class":760},[683,1736,780],{"class":760},[683,1738,827],{"class":692},[683,1740,830],{"class":760},[683,1742,833],{"class":760},[683,1744,1745,1747],{"class":685,"line":836},[683,1746,839],{"class":760},[683,1748,842],{"class":764},[683,1750,1751],{"class":685,"line":845},[683,1752,792],{"emptyLinePlaceholder":791},[683,1754,1755,1757,1759,1761,1763,1765,1767,1769,1771,1773,1775,1777,1779,1781,1783,1785],{"class":685,"line":850},[683,1756,853],{"class":756},[683,1758,856],{"class":756},[683,1760,1483],{"class":798},[683,1762,802],{"class":764},[683,1764,864],{"class":863},[683,1766,867],{"class":760},[683,1768,871],{"class":870},[683,1770,768],{"class":760},[683,1772,1107],{"class":870},[683,1774,768],{"class":760},[683,1776,881],{"class":870},[683,1778,768],{"class":760},[683,1780,886],{"class":870},[683,1782,889],{"class":760},[683,1784,892],{"class":863},[683,1786,895],{"class":760},[683,1788,1789,1792,1795,1797,1800,1803,1805,1807,1809,1812],{"class":685,"line":898},[683,1790,1791],{"class":863},"  const",[683,1793,1794],{"class":764}," url",[683,1796,1357],{"class":760},[683,1798,1799],{"class":760}," new",[683,1801,1802],{"class":798}," URL",[683,1804,802],{"class":811},[683,1806,871],{"class":764},[683,1808,904],{"class":760},[683,1810,1811],{"class":764},"url",[683,1813,842],{"class":811},[683,1815,1816],{"class":685,"line":931},[683,1817,792],{"emptyLinePlaceholder":791},[683,1819,1820,1822,1824,1826,1828,1830,1832,1834,1836,1838,1841,1843],{"class":685,"line":936},[683,1821,901],{"class":764},[683,1823,904],{"class":760},[683,1825,907],{"class":798},[683,1827,802],{"class":811},[683,1829,912],{"class":760},[683,1831,1186],{"class":811},[683,1833,815],{"class":760},[683,1835,1794],{"class":764},[683,1837,904],{"class":760},[683,1839,1840],{"class":764},"pathname",[683,1842,774],{"class":760},[683,1844,842],{"class":811},[683,1846,1847],{"class":685,"line":943},[683,1848,792],{"emptyLinePlaceholder":791},[683,1850,1851,1853,1856,1858,1861,1863,1865,1868,1870,1873,1875,1877,1880,1882,1884,1886,1889,1891,1893,1895,1898,1900,1903,1905,1907,1910,1912,1915,1917,1920],{"class":685,"line":948},[683,1852,1791],{"class":863},[683,1854,1855],{"class":764}," user",[683,1857,1357],{"class":760},[683,1859,1860],{"class":756}," await",[683,1862,1107],{"class":764},[683,1864,904],{"class":760},[683,1866,1867],{"class":764},"DB",[683,1869,904],{"class":760},[683,1871,1872],{"class":798},"prepare",[683,1874,802],{"class":811},[683,1876,830],{"class":760},[683,1878,1879],{"class":692},"SELECT * FROM users WHERE id = ?",[683,1881,830],{"class":760},[683,1883,889],{"class":811},[683,1885,904],{"class":760},[683,1887,1888],{"class":798},"bind",[683,1890,802],{"class":811},[683,1892,1811],{"class":764},[683,1894,904],{"class":760},[683,1896,1897],{"class":764},"searchParams",[683,1899,904],{"class":760},[683,1901,1902],{"class":798},"get",[683,1904,802],{"class":811},[683,1906,830],{"class":760},[683,1908,1909],{"class":692},"userId",[683,1911,830],{"class":760},[683,1913,1914],{"class":811},"))",[683,1916,904],{"class":760},[683,1918,1919],{"class":798},"first",[683,1921,1607],{"class":811},[683,1923,1924,1926,1928,1930,1932,1934,1936,1938,1940,1943,1945,1947,1949,1952,1954,1957,1959,1961,1963,1966,1968,1970],{"class":685,"line":979},[683,1925,901],{"class":764},[683,1927,904],{"class":760},[683,1929,907],{"class":798},[683,1931,802],{"class":811},[683,1933,912],{"class":760},[683,1935,1855],{"class":811},[683,1937,815],{"class":760},[683,1939,761],{"class":760},[683,1941,1942],{"class":811}," id",[683,1944,815],{"class":760},[683,1946,1855],{"class":764},[683,1948,904],{"class":760},[683,1950,1951],{"class":764},"id",[683,1953,768],{"class":760},[683,1955,1956],{"class":811}," plan",[683,1958,815],{"class":760},[683,1960,1855],{"class":764},[683,1962,904],{"class":760},[683,1964,1965],{"class":764},"plan",[683,1967,774],{"class":760},[683,1969,774],{"class":760},[683,1971,842],{"class":811},[683,1973,1974],{"class":685,"line":1274},[683,1975,792],{"emptyLinePlaceholder":791},[683,1977,1978,1980,1983,1985,1987,1989,1991,1993,1995,1997,1999,2001,2004,2006,2008,2010,2012,2014,2017,2019,2021,2023,2025,2027],{"class":685,"line":1310},[683,1979,1791],{"class":863},[683,1981,1982],{"class":764}," orders",[683,1984,1357],{"class":760},[683,1986,1860],{"class":756},[683,1988,1107],{"class":764},[683,1990,904],{"class":760},[683,1992,1867],{"class":764},[683,1994,904],{"class":760},[683,1996,1872],{"class":798},[683,1998,802],{"class":811},[683,2000,830],{"class":760},[683,2002,2003],{"class":692},"SELECT COUNT(*) as count FROM orders WHERE user_id = ?",[683,2005,830],{"class":760},[683,2007,889],{"class":811},[683,2009,904],{"class":760},[683,2011,1888],{"class":798},[683,2013,802],{"class":811},[683,2015,2016],{"class":764},"user",[683,2018,904],{"class":760},[683,2020,1951],{"class":764},[683,2022,889],{"class":811},[683,2024,904],{"class":760},[683,2026,1919],{"class":798},[683,2028,1607],{"class":811},[683,2030,2031,2033,2035,2037,2039,2041,2043,2045,2047,2050,2052,2054,2056,2059,2061,2063],{"class":685,"line":1322},[683,2032,901],{"class":764},[683,2034,904],{"class":760},[683,2036,907],{"class":798},[683,2038,802],{"class":811},[683,2040,912],{"class":760},[683,2042,1982],{"class":811},[683,2044,815],{"class":760},[683,2046,761],{"class":760},[683,2048,2049],{"class":811}," count",[683,2051,815],{"class":760},[683,2053,1982],{"class":764},[683,2055,904],{"class":760},[683,2057,2058],{"class":764},"count",[683,2060,774],{"class":760},[683,2062,774],{"class":760},[683,2064,842],{"class":811},[683,2066,2067],{"class":685,"line":1341},[683,2068,792],{"emptyLinePlaceholder":791},[683,2070,2071,2073,2075,2077],{"class":685,"line":1380},[683,2072,901],{"class":764},[683,2074,904],{"class":760},[683,2076,1604],{"class":798},[683,2078,1607],{"class":811},[683,2080,2081,2083,2085,2087,2089,2091,2093,2095,2097,2099,2101],{"class":685,"line":1386},[683,2082,951],{"class":756},[683,2084,954],{"class":764},[683,2086,904],{"class":760},[683,2088,959],{"class":798},[683,2090,802],{"class":811},[683,2092,912],{"class":760},[683,2094,1855],{"class":764},[683,2096,768],{"class":760},[683,2098,1982],{"class":764},[683,2100,774],{"class":760},[683,2102,842],{"class":811},[683,2104,2105,2107],{"class":685,"line":1404},[683,2106,839],{"class":760},[683,2108,842],{"class":764},[673,2110,2113],{"className":675,"code":2111,"filename":2112,"language":678,"meta":679,"style":679},"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",[591,2114,2115,2126,2140,2153,2163],{"__ignoreMap":679},[683,2116,2117,2120,2123],{"class":685,"line":686},[683,2118,2119],{"class":689},"14:58:15",[683,2121,2122],{"class":692}," INFO",[683,2124,2125],{"class":764}," [my-worker] GET \u002Fapi\u002Fusers 200 in 12ms\n",[683,2127,2128,2131,2134,2137],{"class":685,"line":788},[683,2129,2130],{"class":689},"  ├─",[683,2132,2133],{"class":692}," orders:",[683,2135,2136],{"class":692}," count=",[683,2138,2139],{"class":1422},"5\n",[683,2141,2142,2144,2147,2150],{"class":685,"line":795},[683,2143,2130],{"class":689},[683,2145,2146],{"class":692}," user:",[683,2148,2149],{"class":692}," id=usr_123",[683,2151,2152],{"class":692}," plan=pro\n",[683,2154,2155,2157,2160],{"class":685,"line":808},[683,2156,2130],{"class":689},[683,2158,2159],{"class":692}," route:",[683,2161,2162],{"class":692}," \u002Fapi\u002Fusers\n",[683,2164,2165,2168,2171],{"class":685,"line":836},[683,2166,2167],{"class":689},"  └─",[683,2169,2170],{"class":692}," requestId:",[683,2172,2173],{"class":692}," 4a8ff3a8-...\n",[661,2175,2177],{"id":2176},"error-handling","Error Handling",[587,2179,597,2180,2183],{},[591,2181,2182],{},"createError"," for structured errors and handle them with try\u002Fcatch:",[2185,2186,2187],"code-collapse",{},[673,2188,2190],{"className":746,"code":2189,"filename":748,"language":749,"meta":679,"style":679},"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",[591,2191,2192,2217,2239,2243,2273,2277,2311,2318,2339,2376,2380,2404,2415,2427,2443,2459,2475,2482,2487,2491,2501,2526,2543,2586,2597,2602,2620,2635,2652,2669,2686,2710,2716],{"__ignoreMap":679},[683,2193,2194,2196,2198,2201,2203,2206,2208,2210,2212,2215],{"class":685,"line":686},[683,2195,757],{"class":756},[683,2197,761],{"class":760},[683,2199,2200],{"class":764}," createError",[683,2202,768],{"class":760},[683,2204,2205],{"class":764}," 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 try",[683,2317,895],{"class":760},[683,2319,2320,2323,2326,2328,2330,2333,2335,2337],{"class":685,"line":898},[683,2321,2322],{"class":863},"    const",[683,2324,2325],{"class":764}," body",[683,2327,1357],{"class":760},[683,2329,1860],{"class":756},[683,2331,2332],{"class":764}," request",[683,2334,904],{"class":760},[683,2336,959],{"class":798},[683,2338,1607],{"class":811},[683,2340,2341,2343,2345,2347,2349,2351,2354,2356,2358,2361,2363,2365,2367,2370,2372,2374],{"class":685,"line":931},[683,2342,1175],{"class":764},[683,2344,904],{"class":760},[683,2346,907],{"class":798},[683,2348,802],{"class":811},[683,2350,912],{"class":760},[683,2352,2353],{"class":811}," payment",[683,2355,815],{"class":760},[683,2357,761],{"class":760},[683,2359,2360],{"class":811}," 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}\n",[683,2717,2719,2721],{"class":685,"line":2718},33,[683,2720,839],{"class":760},[683,2722,842],{"class":764},[661,2724,526],{"id":2725},"configuration",[587,2727,2728,2729,2732,2733,2736],{},"See the ",[650,2730,2731],{"href":527},"Configuration reference"," for all available options (",[591,2734,2735],{},"initLogger",", middleware options, sampling, silent mode, etc.).",[661,2738,2740],{"id":2739},"drain-enrichers","Drain & Enrichers",[587,2742,2743,2744,2746],{},"Configure drain and enrichers via ",[591,2745,799],{}," options:",[673,2748,2750],{"className":746,"code":2749,"filename":748,"language":749,"meta":679,"style":679},"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",[591,2751,2752,2775,2793,2813,2833,2855,2859,2885,2914,2920,2940,2953,2957,2965,2985,2992,3009,3020,3024],{"__ignoreMap":679},[683,2753,2754,2756,2758,2760,2762,2765,2767,2769,2771,2773],{"class":685,"line":686},[683,2755,757],{"class":756},[683,2757,761],{"class":760},[683,2759,765],{"class":764},[683,2761,768],{"class":760},[683,2763,2764],{"class":764}," 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