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Initialize and create loggers",[594,666,671],{"className":667,"code":668,"filename":669,"language":670,"meta":600,"style":600},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import type { DrainContext } from 'evlog'\nimport { initLogger, log, createLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createDrainPipeline } from 'evlog\u002Fpipeline'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({ batch: { size: 10 } })\nconst drain = pipeline(createAxiomDrain())\n\ninitLogger({\n  env: { service: 'my-script', environment: 'production' },\n  drain,\n})\n\n\u002F\u002F Every log is automatically drained\nlog.info({ action: 'sync_started' })\n\nconst syncLog = createLogger({ jobId: 'sync-001', source: 'postgres', target: 's3' })\nsyncLog.set({ recordsSynced: 150 })\nsyncLog.emit() \u002F\u002F drained automatically\n\n\u002F\u002F Flush remaining events before exit\nawait drain.flush()\n","scripts\u002Fsync-job.ts","typescript",[516,672,673,705,736,757,778,785,841,862,867,878,918,927,935,940,947,979,984,1044,1071,1087,1092,1098],{"__ignoreMap":600},[604,674,675,679,682,686,690,693,696,699,702],{"class":606,"line":607},[604,676,678],{"class":677},"s7zQu","import",[604,680,681],{"class":677}," type",[604,683,685],{"class":684},"sMK4o"," {",[604,687,689],{"class":688},"sTEyZ"," DrainContext",[604,691,692],{"class":684}," }",[604,694,695],{"class":677}," from",[604,697,698],{"class":684}," '",[604,700,701],{"class":613},"evlog",[604,703,704],{"class":684},"'\n",[604,706,708,710,712,715,718,721,723,726,728,730,732,734],{"class":606,"line":707},2,[604,709,678],{"class":677},[604,711,685],{"class":684},[604,713,714],{"class":688}," initLogger",[604,716,717],{"class":684},",",[604,719,720],{"class":688}," log",[604,722,717],{"class":684},[604,724,725],{"class":688}," createLogger",[604,727,692],{"class":684},[604,729,695],{"class":677},[604,731,698],{"class":684},[604,733,701],{"class":613},[604,735,704],{"class":684},[604,737,739,741,743,746,748,750,752,755],{"class":606,"line":738},3,[604,740,678],{"class":677},[604,742,685],{"class":684},[604,744,745],{"class":688}," createAxiomDrain",[604,747,692],{"class":684},[604,749,695],{"class":677},[604,751,698],{"class":684},[604,753,754],{"class":613},"evlog\u002Faxiom",[604,756,704],{"class":684},[604,758,760,762,764,767,769,771,773,776],{"class":606,"line":759},4,[604,761,678],{"class":677},[604,763,685],{"class":684},[604,765,766],{"class":688}," createDrainPipeline",[604,768,692],{"class":684},[604,770,695],{"class":677},[604,772,698],{"class":684},[604,774,775],{"class":613},"evlog\u002Fpipeline",[604,777,704],{"class":684},[604,779,781],{"class":606,"line":780},5,[604,782,784],{"emptyLinePlaceholder":783},true,"\n",[604,786,788,792,795,798,801,804,807,810,813,816,820,823,825,828,830,834,836,838],{"class":606,"line":787},6,[604,789,791],{"class":790},"spNyl","const",[604,793,794],{"class":688}," pipeline ",[604,796,797],{"class":684},"=",[604,799,766],{"class":800},"s2Zo4",[604,802,803],{"class":684},"\u003C",[604,805,806],{"class":610},"DrainContext",[604,808,809],{"class":684},">",[604,811,812],{"class":688},"(",[604,814,815],{"class":684},"{",[604,817,819],{"class":818},"swJcz"," batch",[604,821,822],{"class":684},":",[604,824,685],{"class":684},[604,826,827],{"class":818}," size",[604,829,822],{"class":684},[604,831,833],{"class":832},"sbssI"," 10",[604,835,692],{"class":684},[604,837,692],{"class":684},[604,839,840],{"class":688},")\n",[604,842,844,846,849,851,854,856,859],{"class":606,"line":843},7,[604,845,791],{"class":790},[604,847,848],{"class":688}," drain ",[604,850,797],{"class":684},[604,852,853],{"class":800}," pipeline",[604,855,812],{"class":688},[604,857,858],{"class":800},"createAxiomDrain",[604,860,861],{"class":688},"())\n",[604,863,865],{"class":606,"line":864},8,[604,866,784],{"emptyLinePlaceholder":783},[604,868,870,873,875],{"class":606,"line":869},9,[604,871,872],{"class":800},"initLogger",[604,874,812],{"class":688},[604,876,877],{"class":684},"{\n",[604,879,881,884,886,888,891,893,895,898,901,903,906,908,910,913,915],{"class":606,"line":880},10,[604,882,883],{"class":818},"  env",[604,885,822],{"class":684},[604,887,685],{"class":684},[604,889,890],{"class":818}," service",[604,892,822],{"class":684},[604,894,698],{"class":684},[604,896,897],{"class":613},"my-script",[604,899,900],{"class":684},"'",[604,902,717],{"class":684},[604,904,905],{"class":818}," environment",[604,907,822],{"class":684},[604,909,698],{"class":684},[604,911,912],{"class":613},"production",[604,914,900],{"class":684},[604,916,917],{"class":684}," },\n",[604,919,921,924],{"class":606,"line":920},11,[604,922,923],{"class":688},"  drain",[604,925,926],{"class":684},",\n",[604,928,930,933],{"class":606,"line":929},12,[604,931,932],{"class":684},"}",[604,934,840],{"class":688},[604,936,938],{"class":606,"line":937},13,[604,939,784],{"emptyLinePlaceholder":783},[604,941,943],{"class":606,"line":942},14,[604,944,946],{"class":945},"sHwdD","\u002F\u002F Every log is automatically drained\n",[604,948,950,953,956,959,961,963,966,968,970,973,975,977],{"class":606,"line":949},15,[604,951,952],{"class":688},"log",[604,954,955],{"class":684},".",[604,957,958],{"class":800},"info",[604,960,812],{"class":688},[604,962,815],{"class":684},[604,964,965],{"class":818}," action",[604,967,822],{"class":684},[604,969,698],{"class":684},[604,971,972],{"class":613},"sync_started",[604,974,900],{"class":684},[604,976,692],{"class":684},[604,978,840],{"class":688},[604,980,982],{"class":606,"line":981},16,[604,983,784],{"emptyLinePlaceholder":783},[604,985,987,989,992,994,996,998,1000,1003,1005,1007,1010,1012,1014,1017,1019,1021,1024,1026,1028,1031,1033,1035,1038,1040,1042],{"class":606,"line":986},17,[604,988,791],{"class":790},[604,990,991],{"class":688}," syncLog ",[604,993,797],{"class":684},[604,995,725],{"class":800},[604,997,812],{"class":688},[604,999,815],{"class":684},[604,1001,1002],{"class":818}," jobId",[604,1004,822],{"class":684},[604,1006,698],{"class":684},[604,1008,1009],{"class":613},"sync-001",[604,1011,900],{"class":684},[604,1013,717],{"class":684},[604,1015,1016],{"class":818}," source",[604,1018,822],{"class":684},[604,1020,698],{"class":684},[604,1022,1023],{"class":613},"postgres",[604,1025,900],{"class":684},[604,1027,717],{"class":684},[604,1029,1030],{"class":818}," target",[604,1032,822],{"class":684},[604,1034,698],{"class":684},[604,1036,1037],{"class":613},"s3",[604,1039,900],{"class":684},[604,1041,692],{"class":684},[604,1043,840],{"class":688},[604,1045,1047,1050,1052,1055,1057,1059,1062,1064,1067,1069],{"class":606,"line":1046},18,[604,1048,1049],{"class":688},"syncLog",[604,1051,955],{"class":684},[604,1053,1054],{"class":800},"set",[604,1056,812],{"class":688},[604,1058,815],{"class":684},[604,1060,1061],{"class":818}," recordsSynced",[604,1063,822],{"class":684},[604,1065,1066],{"class":832}," 150",[604,1068,692],{"class":684},[604,1070,840],{"class":688},[604,1072,1074,1076,1078,1081,1084],{"class":606,"line":1073},19,[604,1075,1049],{"class":688},[604,1077,955],{"class":684},[604,1079,1080],{"class":800},"emit",[604,1082,1083],{"class":688},"() ",[604,1085,1086],{"class":945},"\u002F\u002F drained automatically\n",[604,1088,1090],{"class":606,"line":1089},20,[604,1091,784],{"emptyLinePlaceholder":783},[604,1093,1095],{"class":606,"line":1094},21,[604,1096,1097],{"class":945},"\u002F\u002F Flush remaining events before exit\n",[604,1099,1101,1104,1107,1109,1112],{"class":606,"line":1100},22,[604,1102,1103],{"class":677},"await",[604,1105,1106],{"class":688}," drain",[604,1108,955],{"class":684},[604,1110,1111],{"class":800},"flush",[604,1113,1114],{"class":688},"()\n",[525,1116,1117,1118,1121],{"color":958,"icon":13},"Always call ",[516,1119,1120],{},"drain.flush()"," before the process exits to ensure all buffered events are sent.",[525,1123,1124,1128,1129,1135,1136,1139,1140,1143],{"color":958,"icon":491},[1125,1126,1127],"strong",{},"Using vite-node?"," The ",[531,1130,1131,1134],{"href":489},[516,1132,1133],{},"evlog\u002Fvite"," plugin"," replaces the ",[516,1137,1138],{},"initLogger()"," call with compile-time auto-initialization, strips ",[516,1141,1142],{},"log.debug()"," from production builds, and injects source locations.",[582,1145,1147],{"id":1146},"createlogger-vs-createrequestlogger","createLogger vs createRequestLogger",[512,1149,1150],{},"evlog provides two manual logger constructors:",[512,1152,1153,1158],{},[1125,1154,1155],{},[516,1156,1157],{},"createLogger(context)"," - For non-HTTP contexts (scripts, CLI, queues):",[594,1160,1163],{"className":667,"code":1161,"filename":1162,"language":670,"meta":600,"style":600},"import { createLogger } from 'evlog'\n\nconst log = createLogger({ jobId: 'migrate-001', source: 'postgres' })\nlog.set({ recordsProcessed: 500 })\nlog.emit()\n","scripts\u002Fjob.ts",[516,1164,1165,1183,1187,1229,1253],{"__ignoreMap":600},[604,1166,1167,1169,1171,1173,1175,1177,1179,1181],{"class":606,"line":607},[604,1168,678],{"class":677},[604,1170,685],{"class":684},[604,1172,725],{"class":688},[604,1174,692],{"class":684},[604,1176,695],{"class":677},[604,1178,698],{"class":684},[604,1180,701],{"class":613},[604,1182,704],{"class":684},[604,1184,1185],{"class":606,"line":707},[604,1186,784],{"emptyLinePlaceholder":783},[604,1188,1189,1191,1194,1196,1198,1200,1202,1204,1206,1208,1211,1213,1215,1217,1219,1221,1223,1225,1227],{"class":606,"line":738},[604,1190,791],{"class":790},[604,1192,1193],{"class":688}," log ",[604,1195,797],{"class":684},[604,1197,725],{"class":800},[604,1199,812],{"class":688},[604,1201,815],{"class":684},[604,1203,1002],{"class":818},[604,1205,822],{"class":684},[604,1207,698],{"class":684},[604,1209,1210],{"class":613},"migrate-001",[604,1212,900],{"class":684},[604,1214,717],{"class":684},[604,1216,1016],{"class":818},[604,1218,822],{"class":684},[604,1220,698],{"class":684},[604,1222,1023],{"class":613},[604,1224,900],{"class":684},[604,1226,692],{"class":684},[604,1228,840],{"class":688},[604,1230,1231,1233,1235,1237,1239,1241,1244,1246,1249,1251],{"class":606,"line":759},[604,1232,952],{"class":688},[604,1234,955],{"class":684},[604,1236,1054],{"class":800},[604,1238,812],{"class":688},[604,1240,815],{"class":684},[604,1242,1243],{"class":818}," recordsProcessed",[604,1245,822],{"class":684},[604,1247,1248],{"class":832}," 500",[604,1250,692],{"class":684},[604,1252,840],{"class":688},[604,1254,1255,1257,1259,1261],{"class":606,"line":780},[604,1256,952],{"class":688},[604,1258,955],{"class":684},[604,1260,1080],{"class":800},[604,1262,1114],{"class":688},[512,1264,1265,1270],{},[1125,1266,1267],{},[516,1268,1269],{},"createRequestLogger(requestMeta)"," - For HTTP-like contexts where you want method\u002Fpath\u002Fstatus tracking:",[594,1272,1275],{"className":667,"code":1273,"filename":1274,"language":670,"meta":600,"style":600},"import { createRequestLogger } from 'evlog'\n\nconst log = createRequestLogger({\n  method: 'POST',\n  path: '\u002Fwebhook\u002Fstripe',\n})\nlog.set({ event: 'invoice.paid', customerId: 'cus_123' })\nlog.emit()\n","scripts\u002Fwebhook-handler.ts",[516,1276,1277,1296,1300,1314,1330,1346,1352,1394],{"__ignoreMap":600},[604,1278,1279,1281,1283,1286,1288,1290,1292,1294],{"class":606,"line":607},[604,1280,678],{"class":677},[604,1282,685],{"class":684},[604,1284,1285],{"class":688}," createRequestLogger",[604,1287,692],{"class":684},[604,1289,695],{"class":677},[604,1291,698],{"class":684},[604,1293,701],{"class":613},[604,1295,704],{"class":684},[604,1297,1298],{"class":606,"line":707},[604,1299,784],{"emptyLinePlaceholder":783},[604,1301,1302,1304,1306,1308,1310,1312],{"class":606,"line":738},[604,1303,791],{"class":790},[604,1305,1193],{"class":688},[604,1307,797],{"class":684},[604,1309,1285],{"class":800},[604,1311,812],{"class":688},[604,1313,877],{"class":684},[604,1315,1316,1319,1321,1323,1326,1328],{"class":606,"line":759},[604,1317,1318],{"class":818},"  method",[604,1320,822],{"class":684},[604,1322,698],{"class":684},[604,1324,1325],{"class":613},"POST",[604,1327,900],{"class":684},[604,1329,926],{"class":684},[604,1331,1332,1335,1337,1339,1342,1344],{"class":606,"line":780},[604,1333,1334],{"class":818},"  path",[604,1336,822],{"class":684},[604,1338,698],{"class":684},[604,1340,1341],{"class":613},"\u002Fwebhook\u002Fstripe",[604,1343,900],{"class":684},[604,1345,926],{"class":684},[604,1347,1348,1350],{"class":606,"line":787},[604,1349,932],{"class":684},[604,1351,840],{"class":688},[604,1353,1354,1356,1358,1360,1362,1364,1367,1369,1371,1374,1376,1378,1381,1383,1385,1388,1390,1392],{"class":606,"line":843},[604,1355,952],{"class":688},[604,1357,955],{"class":684},[604,1359,1054],{"class":800},[604,1361,812],{"class":688},[604,1363,815],{"class":684},[604,1365,1366],{"class":818}," event",[604,1368,822],{"class":684},[604,1370,698],{"class":684},[604,1372,1373],{"class":613},"invoice.paid",[604,1375,900],{"class":684},[604,1377,717],{"class":684},[604,1379,1380],{"class":818}," customerId",[604,1382,822],{"class":684},[604,1384,698],{"class":684},[604,1386,1387],{"class":613},"cus_123",[604,1389,900],{"class":684},[604,1391,692],{"class":684},[604,1393,840],{"class":688},[604,1395,1396,1398,1400,1402],{"class":606,"line":864},[604,1397,952],{"class":688},[604,1399,955],{"class":684},[604,1401,1080],{"class":800},[604,1403,1114],{"class":688},[512,1405,1406,1407,1410],{},"Both require manual ",[516,1408,1409],{},"log.emit()"," calls since there is no automatic lifecycle to hook into.",[582,1412,46],{"id":1413},"wide-events",[512,1415,1416],{},"Build up context progressively, then emit:",[594,1418,1421],{"className":667,"code":1419,"filename":1420,"language":670,"meta":600,"style":600},"import { initLogger, createLogger } from 'evlog'\n\ninitLogger({\n  env: { service: 'migrate' },\n})\n\nconst log = createLogger({ task: 'user-migration' })\n\nconst users = await db.query('SELECT * FROM legacy_users')\nlog.set({ found: users.length })\n\nlet migrated = 0\nfor (const user of users) {\n  await newDb.upsert({ id: user.id, email: user.email, plan: user.plan })\n  migrated++\n}\n\nlog.set({ migrated, status: 'complete' })\nlog.emit()\n","scripts\u002Fmigrate-users.ts",[516,1422,1423,1445,1449,1457,1478,1484,1488,1518,1522,1553,1582,1586,1599,1619,1681,1689,1694,1698,1731],{"__ignoreMap":600},[604,1424,1425,1427,1429,1431,1433,1435,1437,1439,1441,1443],{"class":606,"line":607},[604,1426,678],{"class":677},[604,1428,685],{"class":684},[604,1430,714],{"class":688},[604,1432,717],{"class":684},[604,1434,725],{"class":688},[604,1436,692],{"class":684},[604,1438,695],{"class":677},[604,1440,698],{"class":684},[604,1442,701],{"class":613},[604,1444,704],{"class":684},[604,1446,1447],{"class":606,"line":707},[604,1448,784],{"emptyLinePlaceholder":783},[604,1450,1451,1453,1455],{"class":606,"line":738},[604,1452,872],{"class":800},[604,1454,812],{"class":688},[604,1456,877],{"class":684},[604,1458,1459,1461,1463,1465,1467,1469,1471,1474,1476],{"class":606,"line":759},[604,1460,883],{"class":818},[604,1462,822],{"class":684},[604,1464,685],{"class":684},[604,1466,890],{"class":818},[604,1468,822],{"class":684},[604,1470,698],{"class":684},[604,1472,1473],{"class":613},"migrate",[604,1475,900],{"class":684},[604,1477,917],{"class":684},[604,1479,1480,1482],{"class":606,"line":780},[604,1481,932],{"class":684},[604,1483,840],{"class":688},[604,1485,1486],{"class":606,"line":787},[604,1487,784],{"emptyLinePlaceholder":783},[604,1489,1490,1492,1494,1496,1498,1500,1502,1505,1507,1509,1512,1514,1516],{"class":606,"line":843},[604,1491,791],{"class":790},[604,1493,1193],{"class":688},[604,1495,797],{"class":684},[604,1497,725],{"class":800},[604,1499,812],{"class":688},[604,1501,815],{"class":684},[604,1503,1504],{"class":818}," 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const result = await externalApi.sync()\n  if (!result.ok) {\n    throw createError({\n      message: 'Sync failed',\n      why: `API returned ${result.status}`,\n      fix: 'Check the API status page and retry',\n    })\n  }\n} catch (error) {\n  log.error(error instanceof Error ? error : new Error(String(error)))\n  log.emit()\n\n  const { message, why, fix } = parseError(error)\n  console.error(`${message}\\nWhy: ${why}\\nFix: ${fix}`)\n  process.exit(1)\n}\n",[516,1814,1815,1839,1843,1851,1874,1897,1908,1924,1952,1968,1975,1980,1992,2038,2048,2052,2083,2129,2146],{"__ignoreMap":600},[604,1816,1817,1819,1821,1824,1826,1829,1831,1833,1835,1837],{"class":606,"line":607},[604,1818,678],{"class":677},[604,1820,685],{"class":684},[604,1822,1823],{"class":688}," createError",[604,1825,717],{"class":684},[604,1827,1828],{"class":688}," 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'evlog'\nimport { initLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createDrainPipeline } from 'evlog\u002Fpipeline'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 50, intervalMs: 5000 },\n  retry: { maxAttempts: 3 },\n})\nconst drain = pipeline(createAxiomDrain())\n\ninitLogger({\n  env: { service: 'my-script' },\n  drain,\n})\n","scripts\u002Finit-logger.ts",[516,2177,2178,2198,2216,2234,2252,2256,2276,2304,2323,2329,2345,2349,2357,2377,2383],{"__ignoreMap":600},[604,2179,2180,2182,2184,2186,2188,2190,2192,2194,2196],{"class":606,"line":607},[604,2181,678],{"class":677},[604,2183,681],{"class":677},[604,2185,685],{"class":684},[604,2187,689],{"class":688},[604,2189,692],{"class":684},[604,2191,695],{"class":677},[604,2193,698],{"class":684},[604,2195,701],{"class":613},[604,2197,704],{"class":684},[604,2199,2200,2202,2204,2206,2208,2210,2212,2214],{"class":606,"line":707},[604,2201,678],{"class":677},[604,2203,685],{"class":684},[604,2205,714],{"class":688},[604,2207,692],{"class":684},[604,2209,695],{"class":677},[604,2211,698],{"class":684},[604,2213,701],{"class":613},[604,2215,704],{"class":684},[604,2217,2218,2220,2222,2224,2226,2228,2230,2232],{"class":606,"line":738},[604,2219,678],{"class":677},[604,2221,685],{"class":684},[604,2223,745],{"class":688},[604,2225,692],{"class":684},[604,2227,695],{"class":677},[604,2229,698],{"class":684},[604,2231,754],{"class":613},[604,2233,704],{"class":684},[604,2235,2236,2238,2240,2242,2244,2246,2248,2250],{"class":606,"line":759},[604,2237,678],{"class":677},[604,2239,685],{"class":684},[604,2241,766],{"class":688},[604,2243,692],{"class":684},[604,2245,695],{"class":677},[604,2247,698],{"class":684},[604,2249,775],{"class":613},[604,2251,704],{"class":684},[604,2253,2254],{"class":606,"line":780},[604,2255,784],{"emptyLinePlaceholder":783},[604,2257,2258,2260,2262,2264,2266,2268,2270,2272,2274],{"class":606,"line":787},[604,2259,791],{"class":790},[604,2261,794],{"class":688},[604,2263,797],{"class":684},[604,2265,766],{"class":800},[604,2267,803],{"class":684},[604,2269,806],{"class":610},[604,2271,809],{"class":684},[604,2273,812],{"class":688},[604,2275,877],{"class":684},[604,2277,2278,2281,2283,2285,2287,2289,2292,2294,2297,2299,2302],{"class":606,"line":843},[604,2279,2280],{"class":818}," 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