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OpenTelemetry","\u002Fcompare\u002Fopentelemetry","8.compare\u002F2.opentelemetry",{"title":591,"path":592,"stem":593,"icon":567},"evlog vs LogTape","\u002Fcompare\u002Flogtape","8.compare\u002F3.logtape",{"title":595,"path":596,"stem":597,"icon":567},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","8.compare\u002F4.winston",{"title":599,"path":600,"stem":601,"icon":567},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":603,"title":66,"body":604,"description":4052,"extension":4053,"links":4054,"meta":4059,"navigation":4060,"path":67,"seo":4061,"stem":68,"__hash__":4062},"docs\u002F2.learn\u002F5.sampling.md",{"type":605,"value":606,"toc":4042},"minimark",[607,611,659,664,672,675,1156,1163,1172,1176,1183,1310,1333,1338,1410,1414,1417,1448,1458,1461,1667,1671,1681,3239,3245,3350,3354,3357,4014,4022,4026,4038],[608,609,610],"p",{},"At scale, logging everything gets expensive fast. Sampling lets you keep costs under control without losing visibility into what matters. evlog uses a two-tier approach: head sampling drops noise upfront, tail sampling rescues critical events after the fact.",[612,613,616,619,645],"prompt",{":actions":614,"description":615,"icon":69},"[\"copy\",\"cursor\",\"claude\"]","Enable head and tail sampling",[608,617,618],{},"Enable head and tail sampling in my evlog production config.",[620,621,622,626,629,636,639,642],"ul",{},[623,624,625],"li",{},"Identify my framework and locate the evlog config (nuxt.config.ts, lib\u002Fevlog.ts, initLogger, etc.)",[623,627,628],{},"Configure sampling.rates per level: { info: 10, warn: 50, debug: 0, error: 100 } as a starting point",[623,630,631,632],{},"Add sampling.keep rules to force-keep critical events: ",[633,634,635],"span",{},"{ status: 400 }, { duration: 1000 }, { path: '\u002Fapi\u002Fcritical\u002F**' }",[623,637,638],{},"For business-specific keep logic (e.g. premium users), add a custom keep callback or evlog:emit:keep hook",[623,640,641],{},"Wrap sampling in a $production override so dev keeps full logging",[623,643,644],{},"Confirm errors are always kept by default unless I explicitly set error: 0",[608,646,647,648,654,655],{},"Docs: ",[649,650,651],"a",{"href":651,"rel":652},"https:\u002F\u002Fwww.evlog.dev\u002Flearn\u002Fsampling",[653],"nofollow","\nBest practices: ",[649,656,657],{"href":657,"rel":658},"https:\u002F\u002Fwww.evlog.dev\u002Freference\u002Fbest-practices",[653],[660,661,663],"h2",{"id":662},"drop-noise-before-it-is-built","Drop noise before it is built",[608,665,666,667,671],{},"Head sampling randomly keeps a percentage of logs per level. It runs ",[668,669,670],"strong",{},"before"," the request completes, acting as a coin flip at emission time.",[673,674],"head-sampling-plinko",{},[676,677,678,865,1024],"framework-tabs",{},[679,680,686],"pre",{"className":681,"code":682,"filename":240,"language":683,"meta":684,"style":685},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","export default defineNuxtConfig({\n modules: ['evlog\u002Fnuxt'],\n evlog: {\n sampling: {\n rates: {\n info: 10, \u002F\u002F Keep 10% of info logs\n warn: 50, \u002F\u002F Keep 50% of warnings\n debug: 0, \u002F\u002F Drop all debug logs\n error: 100, \u002F\u002F Always keep errors (default)\n },\n },\n },\n})\n","typescript","nuxt.config.ts","",[687,688,689,712,740,751,761,771,790,806,822,838,844,850,856],"code",{"__ignoreMap":685},[633,690,693,697,700,704,708],{"class":691,"line":692},"line",1,[633,694,696],{"class":695},"s7zQu","export",[633,698,699],{"class":695}," default",[633,701,703],{"class":702},"s2Zo4"," defineNuxtConfig",[633,705,707],{"class":706},"sTEyZ","(",[633,709,711],{"class":710},"sMK4o","{\n",[633,713,715,719,722,725,728,732,734,737],{"class":691,"line":714},2,[633,716,718],{"class":717},"swJcz"," modules",[633,720,721],{"class":710},":",[633,723,724],{"class":706}," [",[633,726,727],{"class":710},"'",[633,729,731],{"class":730},"sfazB","evlog\u002Fnuxt",[633,733,727],{"class":710},[633,735,736],{"class":706},"]",[633,738,739],{"class":710},",\n",[633,741,743,746,748],{"class":691,"line":742},3,[633,744,745],{"class":717}," evlog",[633,747,721],{"class":710},[633,749,750],{"class":710}," {\n",[633,752,754,757,759],{"class":691,"line":753},4,[633,755,756],{"class":717}," sampling",[633,758,721],{"class":710},[633,760,750],{"class":710},[633,762,764,767,769],{"class":691,"line":763},5,[633,765,766],{"class":717}," rates",[633,768,721],{"class":710},[633,770,750],{"class":710},[633,772,774,777,779,783,786],{"class":691,"line":773},6,[633,775,776],{"class":717}," info",[633,778,721],{"class":710},[633,780,782],{"class":781},"sbssI"," 10",[633,784,785],{"class":710},",",[633,787,789],{"class":788},"sHwdD"," \u002F\u002F Keep 10% of info logs\n",[633,791,793,796,798,801,803],{"class":691,"line":792},7,[633,794,795],{"class":717}," warn",[633,797,721],{"class":710},[633,799,800],{"class":781}," 50",[633,802,785],{"class":710},[633,804,805],{"class":788}," \u002F\u002F Keep 50% of warnings\n",[633,807,809,812,814,817,819],{"class":691,"line":808},8,[633,810,811],{"class":717}," debug",[633,813,721],{"class":710},[633,815,816],{"class":781}," 0",[633,818,785],{"class":710},[633,820,821],{"class":788}," \u002F\u002F Drop all debug logs\n",[633,823,825,828,830,833,835],{"class":691,"line":824},9,[633,826,827],{"class":717}," error",[633,829,721],{"class":710},[633,831,832],{"class":781}," 100",[633,834,785],{"class":710},[633,836,837],{"class":788}," \u002F\u002F Always keep errors (default)\n",[633,839,841],{"class":691,"line":840},10,[633,842,843],{"class":710}," },\n",[633,845,847],{"class":691,"line":846},11,[633,848,849],{"class":710}," },\n",[633,851,853],{"class":691,"line":852},12,[633,854,855],{"class":710}," },\n",[633,857,859,862],{"class":691,"line":858},13,[633,860,861],{"class":710},"}",[633,863,864],{"class":706},")\n",[679,866,869],{"className":681,"code":867,"filename":245,"language":683,"meta":868,"style":685},"import { createEvlog } from 'evlog\u002Fnext'\n\nexport const { withEvlog, useLogger } = createEvlog({\n service: 'my-app',\n sampling: {\n rates: {\n info: 10,\n warn: 50,\n debug: 0,\n error: 100,\n },\n },\n})\n","lib\u002Fevlog.ts",[687,870,871,897,903,932,948,957,966,977,988,999,1010,1014,1018],{"__ignoreMap":685},[633,872,873,876,879,882,885,888,891,894],{"class":691,"line":692},[633,874,875],{"class":695},"import",[633,877,878],{"class":710}," {",[633,880,881],{"class":706}," createEvlog",[633,883,884],{"class":710}," }",[633,886,887],{"class":695}," from",[633,889,890],{"class":710}," '",[633,892,893],{"class":730},"evlog\u002Fnext",[633,895,896],{"class":710},"'\n",[633,898,899],{"class":691,"line":714},[633,900,902],{"emptyLinePlaceholder":901},true,"\n",[633,904,905,907,911,913,916,918,921,923,926,928,930],{"class":691,"line":742},[633,906,696],{"class":695},[633,908,910],{"class":909},"spNyl"," const",[633,912,878],{"class":710},[633,914,915],{"class":706}," withEvlog",[633,917,785],{"class":710},[633,919,920],{"class":706}," useLogger ",[633,922,861],{"class":710},[633,924,925],{"class":710}," =",[633,927,881],{"class":702},[633,929,707],{"class":706},[633,931,711],{"class":710},[633,933,934,937,939,941,944,946],{"class":691,"line":753},[633,935,936],{"class":717}," service",[633,938,721],{"class":710},[633,940,890],{"class":710},[633,942,943],{"class":730},"my-app",[633,945,727],{"class":710},[633,947,739],{"class":710},[633,949,950,953,955],{"class":691,"line":763},[633,951,952],{"class":717}," sampling",[633,954,721],{"class":710},[633,956,750],{"class":710},[633,958,959,962,964],{"class":691,"line":773},[633,960,961],{"class":717}," rates",[633,963,721],{"class":710},[633,965,750],{"class":710},[633,967,968,971,973,975],{"class":691,"line":792},[633,969,970],{"class":717}," info",[633,972,721],{"class":710},[633,974,782],{"class":781},[633,976,739],{"class":710},[633,978,979,982,984,986],{"class":691,"line":808},[633,980,981],{"class":717}," warn",[633,983,721],{"class":710},[633,985,800],{"class":781},[633,987,739],{"class":710},[633,989,990,993,995,997],{"class":691,"line":824},[633,991,992],{"class":717}," debug",[633,994,721],{"class":710},[633,996,816],{"class":781},[633,998,739],{"class":710},[633,1000,1001,1004,1006,1008],{"class":691,"line":840},[633,1002,1003],{"class":717}," error",[633,1005,721],{"class":710},[633,1007,832],{"class":781},[633,1009,739],{"class":710},[633,1011,1012],{"class":691,"line":846},[633,1013,849],{"class":710},[633,1015,1016],{"class":691,"line":852},[633,1017,855],{"class":710},[633,1019,1020,1022],{"class":691,"line":858},[633,1021,861],{"class":710},[633,1023,864],{"class":706},[679,1025,1028],{"className":681,"code":1026,"filename":1027,"language":683,"meta":685,"style":685},"import { initLogger } from 'evlog'\n\ninitLogger({\n env: { service: 'my-app' },\n sampling: {\n rates: {\n info: 10,\n warn: 50,\n debug: 0,\n error: 100,\n },\n },\n})\n","index.ts (Hono \u002F Express \u002F Fastify)",[687,1029,1030,1050,1054,1063,1086,1094,1102,1112,1122,1132,1142,1146,1150],{"__ignoreMap":685},[633,1031,1032,1034,1036,1039,1041,1043,1045,1048],{"class":691,"line":692},[633,1033,875],{"class":695},[633,1035,878],{"class":710},[633,1037,1038],{"class":706}," initLogger",[633,1040,884],{"class":710},[633,1042,887],{"class":695},[633,1044,890],{"class":710},[633,1046,1047],{"class":730},"evlog",[633,1049,896],{"class":710},[633,1051,1052],{"class":691,"line":714},[633,1053,902],{"emptyLinePlaceholder":901},[633,1055,1056,1059,1061],{"class":691,"line":742},[633,1057,1058],{"class":702},"initLogger",[633,1060,707],{"class":706},[633,1062,711],{"class":710},[633,1064,1065,1068,1070,1072,1075,1077,1079,1081,1083],{"class":691,"line":753},[633,1066,1067],{"class":717}," env",[633,1069,721],{"class":710},[633,1071,878],{"class":710},[633,1073,1074],{"class":717}," service",[633,1076,721],{"class":710},[633,1078,890],{"class":710},[633,1080,943],{"class":730},[633,1082,727],{"class":710},[633,1084,1085],{"class":710}," },\n",[633,1087,1088,1090,1092],{"class":691,"line":763},[633,1089,952],{"class":717},[633,1091,721],{"class":710},[633,1093,750],{"class":710},[633,1095,1096,1098,1100],{"class":691,"line":773},[633,1097,961],{"class":717},[633,1099,721],{"class":710},[633,1101,750],{"class":710},[633,1103,1104,1106,1108,1110],{"class":691,"line":792},[633,1105,970],{"class":717},[633,1107,721],{"class":710},[633,1109,782],{"class":781},[633,1111,739],{"class":710},[633,1113,1114,1116,1118,1120],{"class":691,"line":808},[633,1115,981],{"class":717},[633,1117,721],{"class":710},[633,1119,800],{"class":781},[633,1121,739],{"class":710},[633,1123,1124,1126,1128,1130],{"class":691,"line":824},[633,1125,992],{"class":717},[633,1127,721],{"class":710},[633,1129,816],{"class":781},[633,1131,739],{"class":710},[633,1133,1134,1136,1138,1140],{"class":691,"line":840},[633,1135,1003],{"class":717},[633,1137,721],{"class":710},[633,1139,832],{"class":781},[633,1141,739],{"class":710},[633,1143,1144],{"class":691,"line":846},[633,1145,849],{"class":710},[633,1147,1148],{"class":691,"line":852},[633,1149,855],{"class":710},[633,1151,1152,1154],{"class":691,"line":858},[633,1153,861],{"class":710},[633,1155,864],{"class":706},[608,1157,1158,1159,1162],{},"Each level is a percentage from 0 to 100. Levels you don't configure default to 100% (keep everything). Error defaults to 100% even when other levels are configured, so you have to explicitly set ",[687,1160,1161],{},"error: 0"," to drop errors.",[1164,1165,1167,1168,1171],"callout",{"color":1166,"icon":13},"info","Head sampling is random. A ",[687,1169,1170],{},"10%"," rate means roughly 1 in 10 info logs are kept, not exactly 1 in 10.",[660,1173,1175],{"id":1174},"keep-an-event-once-you-know-its-outcome","Keep an event once you know its outcome",[608,1177,1178,1179,1182],{},"Head sampling is blind: it doesn't know if a request was slow, failed, or hit a critical path. Tail sampling fixes this by evaluating ",[668,1180,1181],{},"after"," the request completes and force-keeping logs that match specific conditions.",[679,1184,1186],{"className":681,"code":1185,"filename":684,"language":683,"meta":685,"style":685},"\u002F\u002F Sampling config, works the same across all frameworks\nevlog: {\n sampling: {\n rates: { info: 10 },\n keep: [\n { status: 400 }, \u002F\u002F HTTP status >= 400\n { duration: 1000 }, \u002F\u002F Request took >= 1s\n { path: '\u002Fapi\u002Fpayments\u002F**' }, \u002F\u002F Critical path (glob)\n ],\n },\n}\n",[687,1187,1188,1193,1202,1210,1227,1237,1256,1273,1294,1301,1305],{"__ignoreMap":685},[633,1189,1190],{"class":691,"line":692},[633,1191,1192],{"class":788},"\u002F\u002F Sampling config, works the same across all frameworks\n",[633,1194,1195,1198,1200],{"class":691,"line":714},[633,1196,1047],{"class":1197},"sBMFI",[633,1199,721],{"class":710},[633,1201,750],{"class":710},[633,1203,1204,1206,1208],{"class":691,"line":742},[633,1205,952],{"class":1197},[633,1207,721],{"class":710},[633,1209,750],{"class":710},[633,1211,1212,1214,1216,1218,1221,1223,1225],{"class":691,"line":753},[633,1213,961],{"class":1197},[633,1215,721],{"class":710},[633,1217,878],{"class":710},[633,1219,1220],{"class":1197}," info",[633,1222,721],{"class":710},[633,1224,782],{"class":781},[633,1226,1085],{"class":710},[633,1228,1229,1232,1234],{"class":691,"line":763},[633,1230,1231],{"class":1197}," keep",[633,1233,721],{"class":710},[633,1235,1236],{"class":717}," [\n",[633,1238,1239,1242,1245,1247,1250,1253],{"class":691,"line":773},[633,1240,1241],{"class":710}," {",[633,1243,1244],{"class":717}," status",[633,1246,721],{"class":710},[633,1248,1249],{"class":781}," 400",[633,1251,1252],{"class":710}," },",[633,1254,1255],{"class":788}," \u002F\u002F HTTP status >= 400\n",[633,1257,1258,1260,1263,1265,1268,1270],{"class":691,"line":792},[633,1259,1241],{"class":710},[633,1261,1262],{"class":717}," duration",[633,1264,721],{"class":710},[633,1266,1267],{"class":781}," 1000",[633,1269,1252],{"class":710},[633,1271,1272],{"class":788}," \u002F\u002F Request took >= 1s\n",[633,1274,1275,1277,1280,1282,1284,1287,1289,1291],{"class":691,"line":808},[633,1276,1241],{"class":710},[633,1278,1279],{"class":717}," path",[633,1281,721],{"class":710},[633,1283,890],{"class":710},[633,1285,1286],{"class":730},"\u002Fapi\u002Fpayments\u002F**",[633,1288,727],{"class":710},[633,1290,1252],{"class":710},[633,1292,1293],{"class":788}," \u002F\u002F Critical path (glob)\n",[633,1295,1296,1299],{"class":691,"line":824},[633,1297,1298],{"class":717}," ]",[633,1300,739],{"class":710},[633,1302,1303],{"class":691,"line":840},[633,1304,855],{"class":710},[633,1306,1307],{"class":691,"line":846},[633,1308,1309],{"class":710},"}\n",[608,1311,1312,1313,1316,1317,1320,1321,1324,1325,1328,1329,1332],{},"Conditions use ",[668,1314,1315],{},">="," comparison for ",[687,1318,1319],{},"status"," and ",[687,1322,1323],{},"duration",", and glob matching for ",[687,1326,1327],{},"path",". If ",[668,1330,1331],{},"any"," condition matches, the log is kept regardless of head sampling (OR logic).",[1334,1335,1337],"h3",{"id":1336},"conditions-you-can-match-on","Conditions you can match on",[1339,1340,1341,1357],"table",{},[1342,1343,1344],"thead",{},[1345,1346,1347,1351,1354],"tr",{},[1348,1349,1350],"th",{},"Condition",[1348,1352,1353],{},"Type",[1348,1355,1356],{},"Description",[1358,1359,1360,1379,1392],"tbody",{},[1345,1361,1362,1367,1372],{},[1363,1364,1365],"td",{},[687,1366,1319],{},[1363,1368,1369],{},[687,1370,1371],{},"number",[1363,1373,1374,1375,1378],{},"Keep if HTTP status >= value (e.g., ",[687,1376,1377],{},"400"," catches all 4xx and 5xx)",[1345,1380,1381,1385,1389],{},[1363,1382,1383],{},[687,1384,1323],{},[1363,1386,1387],{},[687,1388,1371],{},[1363,1390,1391],{},"Keep if request duration >= value in milliseconds",[1345,1393,1394,1398,1403],{},[1363,1395,1396],{},[687,1397,1327],{},[1363,1399,1400],{},[687,1401,1402],{},"string",[1363,1404,1405,1406,1409],{},"Keep if request path matches glob pattern (e.g., ",[687,1407,1408],{},"'\u002Fapi\u002Fcritical\u002F**'",")",[660,1411,1413],{"id":1412},"combine-head-and-tail-sampling","Combine head and tail sampling",[608,1415,1416],{},"The two tiers complement each other:",[1418,1419,1420,1426,1436,1442],"ol",{},[623,1421,1422,1425],{},[668,1423,1424],{},"Request completes"," - evlog knows the status, duration, and path",[623,1427,1428,1431,1432,1435],{},[668,1429,1430],{},"Tail sampling evaluates"," - if any ",[687,1433,1434],{},"keep"," condition matches, the log is force-kept",[623,1437,1438,1441],{},[668,1439,1440],{},"Head sampling applies"," - only if tail sampling didn't force-keep, the random percentage check runs",[623,1443,1444,1447],{},[668,1445,1446],{},"Log emits or drops"," - kept logs go through enrichment and draining as normal",[608,1449,1450,1451,1454,1455,1457],{},"This means a request to ",[687,1452,1453],{},"\u002Fapi\u002Fpayments\u002Fcharge"," that returns a 500 in 2 seconds will always be logged, even if ",[687,1456,1166],{}," is set to 1%. The tail conditions rescue it.",[1459,1460],"tail-sample-decision",{},[1462,1463,1464,1540],"code-group",{},[679,1465,1467],{"className":681,"code":1466,"filename":547,"language":683,"meta":685,"style":685},"sampling: {\n rates: { info: 10 },\n keep: [\n { status: 400 },\n { duration: 1000 },\n ],\n}\n",[687,1468,1469,1478,1495,1504,1517,1529,1536],{"__ignoreMap":685},[633,1470,1471,1474,1476],{"class":691,"line":692},[633,1472,1473],{"class":1197},"sampling",[633,1475,721],{"class":710},[633,1477,750],{"class":710},[633,1479,1480,1483,1485,1487,1489,1491,1493],{"class":691,"line":714},[633,1481,1482],{"class":1197}," rates",[633,1484,721],{"class":710},[633,1486,878],{"class":710},[633,1488,1220],{"class":1197},[633,1490,721],{"class":710},[633,1492,782],{"class":781},[633,1494,1085],{"class":710},[633,1496,1497,1500,1502],{"class":691,"line":742},[633,1498,1499],{"class":1197}," keep",[633,1501,721],{"class":710},[633,1503,1236],{"class":717},[633,1505,1506,1509,1511,1513,1515],{"class":691,"line":753},[633,1507,1508],{"class":710}," {",[633,1510,1244],{"class":717},[633,1512,721],{"class":710},[633,1514,1249],{"class":781},[633,1516,1085],{"class":710},[633,1518,1519,1521,1523,1525,1527],{"class":691,"line":763},[633,1520,1508],{"class":710},[633,1522,1262],{"class":717},[633,1524,721],{"class":710},[633,1526,1267],{"class":781},[633,1528,1085],{"class":710},[633,1530,1531,1534],{"class":691,"line":773},[633,1532,1533],{"class":717}," ]",[633,1535,739],{"class":710},[633,1537,1538],{"class":691,"line":792},[633,1539,1309],{"class":710},[679,1541,1546],{"className":1542,"code":1543,"filename":1544,"language":1545,"meta":685,"style":685},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","POST \u002Fapi\u002Fusers 200 45ms → 10% chance (head sampling)\nPOST \u002Fapi\u002Fusers 500 45ms → always kept (status >= 400)\nGET \u002Fapi\u002Fproducts 200 2300ms → always kept (duration >= 1000)\nPOST \u002Fapi\u002Fcheckout 200 120ms → 10% chance (head sampling)\n","What gets logged","bash",[687,1547,1548,1578,1610,1642],{"__ignoreMap":685},[633,1549,1550,1553,1556,1559,1562,1565,1568,1571,1574,1576],{"class":691,"line":692},[633,1551,1552],{"class":1197},"POST",[633,1554,1555],{"class":730}," \u002Fapi\u002Fusers",[633,1557,1558],{"class":781}," 200",[633,1560,1561],{"class":730}," 45ms",[633,1563,1564],{"class":730}," →",[633,1566,1567],{"class":730}," 10%",[633,1569,1570],{"class":730}," chance",[633,1572,1573],{"class":706}," (head ",[633,1575,1473],{"class":730},[633,1577,864],{"class":706},[633,1579,1580,1582,1584,1587,1589,1591,1594,1597,1600,1603,1606,1608],{"class":691,"line":714},[633,1581,1552],{"class":1197},[633,1583,1555],{"class":730},[633,1585,1586],{"class":781}," 500",[633,1588,1561],{"class":730},[633,1590,1564],{"class":730},[633,1592,1593],{"class":730}," always",[633,1595,1596],{"class":730}," kept",[633,1598,1599],{"class":706}," (status ",[633,1601,1602],{"class":710},">",[633,1604,1605],{"class":730},"=",[633,1607,1249],{"class":781},[633,1609,864],{"class":706},[633,1611,1612,1615,1618,1621,1624,1627,1629,1631,1634,1636,1638,1640],{"class":691,"line":742},[633,1613,1614],{"class":1197},"GET",[633,1616,1617],{"class":730}," \u002Fapi\u002Fproducts",[633,1619,1620],{"class":781}," 200",[633,1622,1623],{"class":730}," 2300ms",[633,1625,1626],{"class":730}," →",[633,1628,1593],{"class":730},[633,1630,1596],{"class":730},[633,1632,1633],{"class":706}," (duration ",[633,1635,1602],{"class":710},[633,1637,1605],{"class":730},[633,1639,1267],{"class":781},[633,1641,864],{"class":706},[633,1643,1644,1646,1649,1651,1654,1657,1659,1661,1663,1665],{"class":691,"line":753},[633,1645,1552],{"class":1197},[633,1647,1648],{"class":730}," \u002Fapi\u002Fcheckout",[633,1650,1620],{"class":781},[633,1652,1653],{"class":730}," 120ms",[633,1655,1656],{"class":730}," →",[633,1658,1567],{"class":730},[633,1660,1570],{"class":730},[633,1662,1573],{"class":706},[633,1664,1473],{"class":730},[633,1666,864],{"class":706},[660,1668,1670],{"id":1669},"write-your-own-keep-rule","Write your own keep rule",[608,1672,1673,1674,1677,1678,1680],{},"For conditions beyond status, duration, and path, use the ",[687,1675,1676],{},"evlog:emit:keep"," hook in Nuxt\u002FNitro or the ",[687,1679,1434],{}," callback in other frameworks.",[676,1682,1683,1825,2012,2138,2276,2420,2538,2653,2771,2885,2999,3125],{},[679,1684,1687],{"className":681,"code":1685,"filename":240,"language":683,"meta":1686,"style":685},"export default defineNitroPlugin((nitroApp) => {\n nitroApp.hooks.hook('evlog:emit:keep', (ctx) => {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n })\n})\n","server\u002Fplugins\u002Fsampling.ts",[687,1688,1689,1713,1751,1791,1807,1812,1819],{"__ignoreMap":685},[633,1690,1691,1693,1695,1698,1700,1702,1706,1708,1711],{"class":691,"line":692},[633,1692,696],{"class":695},[633,1694,699],{"class":695},[633,1696,1697],{"class":702}," defineNitroPlugin",[633,1699,707],{"class":706},[633,1701,707],{"class":710},[633,1703,1705],{"class":1704},"sHdIc","nitroApp",[633,1707,1409],{"class":710},[633,1709,1710],{"class":909}," =>",[633,1712,750],{"class":710},[633,1714,1715,1718,1721,1724,1726,1729,1731,1733,1735,1737,1739,1742,1745,1747,1749],{"class":691,"line":714},[633,1716,1717],{"class":706}," nitroApp",[633,1719,1720],{"class":710},".",[633,1722,1723],{"class":706},"hooks",[633,1725,1720],{"class":710},[633,1727,1728],{"class":702},"hook",[633,1730,707],{"class":717},[633,1732,727],{"class":710},[633,1734,1676],{"class":730},[633,1736,727],{"class":710},[633,1738,785],{"class":710},[633,1740,1741],{"class":710}," (",[633,1743,1744],{"class":1704},"ctx",[633,1746,1409],{"class":710},[633,1748,1710],{"class":909},[633,1750,750],{"class":710},[633,1752,1753,1756,1758,1760,1762,1765,1767,1770,1773,1776,1779,1781,1784,1786,1789],{"class":691,"line":742},[633,1754,1755],{"class":695}," if",[633,1757,1741],{"class":717},[633,1759,1744],{"class":706},[633,1761,1720],{"class":710},[633,1763,1764],{"class":706},"context",[633,1766,1720],{"class":710},[633,1768,1769],{"class":706},"user",[633,1771,1772],{"class":710},"?.",[633,1774,1775],{"class":706},"plan",[633,1777,1778],{"class":710}," ===",[633,1780,890],{"class":710},[633,1782,1783],{"class":730},"enterprise",[633,1785,727],{"class":710},[633,1787,1788],{"class":717},") ",[633,1790,711],{"class":710},[633,1792,1793,1796,1798,1801,1803],{"class":691,"line":753},[633,1794,1795],{"class":706}," ctx",[633,1797,1720],{"class":710},[633,1799,1800],{"class":706},"shouldKeep",[633,1802,925],{"class":710},[633,1804,1806],{"class":1805},"sfNiH"," true\n",[633,1808,1809],{"class":691,"line":763},[633,1810,1811],{"class":710}," }\n",[633,1813,1814,1817],{"class":691,"line":773},[633,1815,1816],{"class":710}," }",[633,1818,864],{"class":717},[633,1820,1821,1823],{"class":691,"line":792},[633,1822,861],{"class":710},[633,1824,864],{"class":706},[679,1826,1828],{"className":681,"code":1827,"filename":245,"language":683,"meta":868,"style":685},"import { createEvlog } from 'evlog\u002Fnext'\n\nexport const { withEvlog, useLogger } = createEvlog({\n service: 'my-app',\n sampling: {\n rates: { info: 10 },\n keep: [{ status: 400 }],\n },\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n})\n",[687,1829,1830,1848,1852,1876,1890,1898,1914,1937,1941,1953,1985,1997,2001,2005],{"__ignoreMap":685},[633,1831,1832,1834,1836,1838,1840,1842,1844,1846],{"class":691,"line":692},[633,1833,875],{"class":695},[633,1835,878],{"class":710},[633,1837,881],{"class":706},[633,1839,884],{"class":710},[633,1841,887],{"class":695},[633,1843,890],{"class":710},[633,1845,893],{"class":730},[633,1847,896],{"class":710},[633,1849,1850],{"class":691,"line":714},[633,1851,902],{"emptyLinePlaceholder":901},[633,1853,1854,1856,1858,1860,1862,1864,1866,1868,1870,1872,1874],{"class":691,"line":742},[633,1855,696],{"class":695},[633,1857,910],{"class":909},[633,1859,878],{"class":710},[633,1861,915],{"class":706},[633,1863,785],{"class":710},[633,1865,920],{"class":706},[633,1867,861],{"class":710},[633,1869,925],{"class":710},[633,1871,881],{"class":702},[633,1873,707],{"class":706},[633,1875,711],{"class":710},[633,1877,1878,1880,1882,1884,1886,1888],{"class":691,"line":753},[633,1879,936],{"class":717},[633,1881,721],{"class":710},[633,1883,890],{"class":710},[633,1885,943],{"class":730},[633,1887,727],{"class":710},[633,1889,739],{"class":710},[633,1891,1892,1894,1896],{"class":691,"line":763},[633,1893,952],{"class":717},[633,1895,721],{"class":710},[633,1897,750],{"class":710},[633,1899,1900,1902,1904,1906,1908,1910,1912],{"class":691,"line":773},[633,1901,961],{"class":717},[633,1903,721],{"class":710},[633,1905,878],{"class":710},[633,1907,1220],{"class":717},[633,1909,721],{"class":710},[633,1911,782],{"class":781},[633,1913,1085],{"class":710},[633,1915,1916,1918,1920,1922,1925,1927,1929,1931,1933,1935],{"class":691,"line":792},[633,1917,1231],{"class":717},[633,1919,721],{"class":710},[633,1921,724],{"class":706},[633,1923,1924],{"class":710},"{",[633,1926,1244],{"class":717},[633,1928,721],{"class":710},[633,1930,1249],{"class":781},[633,1932,884],{"class":710},[633,1934,736],{"class":706},[633,1936,739],{"class":710},[633,1938,1939],{"class":691,"line":808},[633,1940,855],{"class":710},[633,1942,1943,1945,1947,1949,1951],{"class":691,"line":824},[633,1944,1499],{"class":717},[633,1946,707],{"class":710},[633,1948,1744],{"class":1704},[633,1950,1409],{"class":710},[633,1952,750],{"class":710},[633,1954,1955,1957,1959,1961,1963,1965,1967,1969,1971,1973,1975,1977,1979,1981,1983],{"class":691,"line":840},[633,1956,1755],{"class":695},[633,1958,1741],{"class":717},[633,1960,1744],{"class":706},[633,1962,1720],{"class":710},[633,1964,1764],{"class":706},[633,1966,1720],{"class":710},[633,1968,1769],{"class":706},[633,1970,1772],{"class":710},[633,1972,1775],{"class":706},[633,1974,1778],{"class":710},[633,1976,890],{"class":710},[633,1978,1783],{"class":730},[633,1980,727],{"class":710},[633,1982,1788],{"class":717},[633,1984,711],{"class":710},[633,1986,1987,1989,1991,1993,1995],{"class":691,"line":846},[633,1988,1795],{"class":706},[633,1990,1720],{"class":710},[633,1992,1800],{"class":706},[633,1994,925],{"class":710},[633,1996,1806],{"class":1805},[633,1998,1999],{"class":691,"line":852},[633,2000,1811],{"class":710},[633,2002,2003],{"class":691,"line":858},[633,2004,855],{"class":710},[633,2006,2008,2010],{"class":691,"line":2007},14,[633,2009,861],{"class":710},[633,2011,864],{"class":706},[679,2013,2016],{"className":681,"code":2014,"filename":250,"language":683,"meta":2015,"style":685},"import { createEvlogHooks } from 'evlog\u002Fsveltekit'\n\nexport const { handle, handleError } = createEvlogHooks({\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n})\n","src\u002Fhooks.server.ts",[687,2017,2018,2038,2042,2068,2080,2112,2124,2128,2132],{"__ignoreMap":685},[633,2019,2020,2022,2024,2027,2029,2031,2033,2036],{"class":691,"line":692},[633,2021,875],{"class":695},[633,2023,878],{"class":710},[633,2025,2026],{"class":706}," createEvlogHooks",[633,2028,884],{"class":710},[633,2030,887],{"class":695},[633,2032,890],{"class":710},[633,2034,2035],{"class":730},"evlog\u002Fsveltekit",[633,2037,896],{"class":710},[633,2039,2040],{"class":691,"line":714},[633,2041,902],{"emptyLinePlaceholder":901},[633,2043,2044,2046,2048,2050,2053,2055,2058,2060,2062,2064,2066],{"class":691,"line":742},[633,2045,696],{"class":695},[633,2047,910],{"class":909},[633,2049,878],{"class":710},[633,2051,2052],{"class":706}," handle",[633,2054,785],{"class":710},[633,2056,2057],{"class":706}," handleError ",[633,2059,861],{"class":710},[633,2061,925],{"class":710},[633,2063,2026],{"class":702},[633,2065,707],{"class":706},[633,2067,711],{"class":710},[633,2069,2070,2072,2074,2076,2078],{"class":691,"line":753},[633,2071,1499],{"class":717},[633,2073,707],{"class":710},[633,2075,1744],{"class":1704},[633,2077,1409],{"class":710},[633,2079,750],{"class":710},[633,2081,2082,2084,2086,2088,2090,2092,2094,2096,2098,2100,2102,2104,2106,2108,2110],{"class":691,"line":763},[633,2083,1755],{"class":695},[633,2085,1741],{"class":717},[633,2087,1744],{"class":706},[633,2089,1720],{"class":710},[633,2091,1764],{"class":706},[633,2093,1720],{"class":710},[633,2095,1769],{"class":706},[633,2097,1772],{"class":710},[633,2099,1775],{"class":706},[633,2101,1778],{"class":710},[633,2103,890],{"class":710},[633,2105,1783],{"class":730},[633,2107,727],{"class":710},[633,2109,1788],{"class":717},[633,2111,711],{"class":710},[633,2113,2114,2116,2118,2120,2122],{"class":691,"line":773},[633,2115,1795],{"class":706},[633,2117,1720],{"class":710},[633,2119,1800],{"class":706},[633,2121,925],{"class":710},[633,2123,1806],{"class":1805},[633,2125,2126],{"class":691,"line":792},[633,2127,1811],{"class":710},[633,2129,2130],{"class":691,"line":808},[633,2131,855],{"class":710},[633,2133,2134,2136],{"class":691,"line":824},[633,2135,861],{"class":710},[633,2137,864],{"class":706},[679,2139,2142],{"className":681,"code":2140,"filename":260,"language":683,"meta":2141,"style":685},"import { definePlugin } from 'nitro'\nexport default definePlugin((nitroApp) => {\n nitroApp.hooks.hook('evlog:emit:keep', (ctx) => {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n })\n})\n","server\u002Fplugins\u002Fevlog.ts",[687,2143,2144,2164,2184,2216,2248,2260,2264,2270],{"__ignoreMap":685},[633,2145,2146,2148,2150,2153,2155,2157,2159,2162],{"class":691,"line":692},[633,2147,875],{"class":695},[633,2149,878],{"class":710},[633,2151,2152],{"class":706}," definePlugin",[633,2154,884],{"class":710},[633,2156,887],{"class":695},[633,2158,890],{"class":710},[633,2160,2161],{"class":730},"nitro",[633,2163,896],{"class":710},[633,2165,2166,2168,2170,2172,2174,2176,2178,2180,2182],{"class":691,"line":714},[633,2167,696],{"class":695},[633,2169,699],{"class":695},[633,2171,2152],{"class":702},[633,2173,707],{"class":706},[633,2175,707],{"class":710},[633,2177,1705],{"class":1704},[633,2179,1409],{"class":710},[633,2181,1710],{"class":909},[633,2183,750],{"class":710},[633,2185,2186,2188,2190,2192,2194,2196,2198,2200,2202,2204,2206,2208,2210,2212,2214],{"class":691,"line":742},[633,2187,1717],{"class":706},[633,2189,1720],{"class":710},[633,2191,1723],{"class":706},[633,2193,1720],{"class":710},[633,2195,1728],{"class":702},[633,2197,707],{"class":717},[633,2199,727],{"class":710},[633,2201,1676],{"class":730},[633,2203,727],{"class":710},[633,2205,785],{"class":710},[633,2207,1741],{"class":710},[633,2209,1744],{"class":1704},[633,2211,1409],{"class":710},[633,2213,1710],{"class":909},[633,2215,750],{"class":710},[633,2217,2218,2220,2222,2224,2226,2228,2230,2232,2234,2236,2238,2240,2242,2244,2246],{"class":691,"line":753},[633,2219,1755],{"class":695},[633,2221,1741],{"class":717},[633,2223,1744],{"class":706},[633,2225,1720],{"class":710},[633,2227,1764],{"class":706},[633,2229,1720],{"class":710},[633,2231,1769],{"class":706},[633,2233,1772],{"class":710},[633,2235,1775],{"class":706},[633,2237,1778],{"class":710},[633,2239,890],{"class":710},[633,2241,1783],{"class":730},[633,2243,727],{"class":710},[633,2245,1788],{"class":717},[633,2247,711],{"class":710},[633,2249,2250,2252,2254,2256,2258],{"class":691,"line":763},[633,2251,1795],{"class":706},[633,2253,1720],{"class":710},[633,2255,1800],{"class":706},[633,2257,925],{"class":710},[633,2259,1806],{"class":1805},[633,2261,2262],{"class":691,"line":773},[633,2263,1811],{"class":710},[633,2265,2266,2268],{"class":691,"line":792},[633,2267,1816],{"class":710},[633,2269,864],{"class":717},[633,2271,2272,2274],{"class":691,"line":808},[633,2273,861],{"class":710},[633,2275,864],{"class":706},[679,2277,2280],{"className":681,"code":2278,"filename":290,"language":683,"meta":2279,"style":685},"import { evlog } from 'evlog\u002Freact-router'\n\nexport const middleware: Route.MiddlewareFunction[] = [\n evlog({\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n }),\n]\n","app\u002Froot.tsx",[687,2281,2282,2302,2306,2332,2340,2352,2385,2398,2403,2407,2415],{"__ignoreMap":685},[633,2283,2284,2286,2288,2291,2293,2295,2297,2300],{"class":691,"line":692},[633,2285,875],{"class":695},[633,2287,878],{"class":710},[633,2289,2290],{"class":706}," evlog",[633,2292,884],{"class":710},[633,2294,887],{"class":695},[633,2296,890],{"class":710},[633,2298,2299],{"class":730},"evlog\u002Freact-router",[633,2301,896],{"class":710},[633,2303,2304],{"class":691,"line":714},[633,2305,902],{"emptyLinePlaceholder":901},[633,2307,2308,2310,2312,2315,2317,2320,2322,2325,2328,2330],{"class":691,"line":742},[633,2309,696],{"class":695},[633,2311,910],{"class":909},[633,2313,2314],{"class":706}," middleware",[633,2316,721],{"class":710},[633,2318,2319],{"class":1197}," Route",[633,2321,1720],{"class":710},[633,2323,2324],{"class":1197},"MiddlewareFunction",[633,2326,2327],{"class":706},"[] ",[633,2329,1605],{"class":710},[633,2331,1236],{"class":706},[633,2333,2334,2336,2338],{"class":691,"line":753},[633,2335,745],{"class":702},[633,2337,707],{"class":706},[633,2339,711],{"class":710},[633,2341,2342,2344,2346,2348,2350],{"class":691,"line":763},[633,2343,1231],{"class":717},[633,2345,707],{"class":710},[633,2347,1744],{"class":1704},[633,2349,1409],{"class":710},[633,2351,750],{"class":710},[633,2353,2354,2357,2359,2361,2363,2365,2367,2369,2371,2373,2375,2377,2379,2381,2383],{"class":691,"line":773},[633,2355,2356],{"class":695}," if",[633,2358,1741],{"class":717},[633,2360,1744],{"class":706},[633,2362,1720],{"class":710},[633,2364,1764],{"class":706},[633,2366,1720],{"class":710},[633,2368,1769],{"class":706},[633,2370,1772],{"class":710},[633,2372,1775],{"class":706},[633,2374,1778],{"class":710},[633,2376,890],{"class":710},[633,2378,1783],{"class":730},[633,2380,727],{"class":710},[633,2382,1788],{"class":717},[633,2384,711],{"class":710},[633,2386,2387,2390,2392,2394,2396],{"class":691,"line":792},[633,2388,2389],{"class":706}," ctx",[633,2391,1720],{"class":710},[633,2393,1800],{"class":706},[633,2395,925],{"class":710},[633,2397,1806],{"class":1805},[633,2399,2400],{"class":691,"line":808},[633,2401,2402],{"class":710}," }\n",[633,2404,2405],{"class":691,"line":824},[633,2406,849],{"class":710},[633,2408,2409,2411,2413],{"class":691,"line":840},[633,2410,1816],{"class":710},[633,2412,1409],{"class":706},[633,2414,739],{"class":710},[633,2416,2417],{"class":691,"line":846},[633,2418,2419],{"class":706},"]\n",[679,2421,2424],{"className":681,"code":2422,"filename":275,"language":683,"meta":2423,"style":685},"import { evlog } from 'evlog\u002Fhono'\n\napp.use(evlog({\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n}))\n","index.ts",[687,2425,2426,2445,2449,2467,2479,2511,2523,2527,2531],{"__ignoreMap":685},[633,2427,2428,2430,2432,2434,2436,2438,2440,2443],{"class":691,"line":692},[633,2429,875],{"class":695},[633,2431,878],{"class":710},[633,2433,2290],{"class":706},[633,2435,884],{"class":710},[633,2437,887],{"class":695},[633,2439,890],{"class":710},[633,2441,2442],{"class":730},"evlog\u002Fhono",[633,2444,896],{"class":710},[633,2446,2447],{"class":691,"line":714},[633,2448,902],{"emptyLinePlaceholder":901},[633,2450,2451,2454,2456,2459,2461,2463,2465],{"class":691,"line":742},[633,2452,2453],{"class":706},"app",[633,2455,1720],{"class":710},[633,2457,2458],{"class":702},"use",[633,2460,707],{"class":706},[633,2462,1047],{"class":702},[633,2464,707],{"class":706},[633,2466,711],{"class":710},[633,2468,2469,2471,2473,2475,2477],{"class":691,"line":753},[633,2470,1499],{"class":717},[633,2472,707],{"class":710},[633,2474,1744],{"class":1704},[633,2476,1409],{"class":710},[633,2478,750],{"class":710},[633,2480,2481,2483,2485,2487,2489,2491,2493,2495,2497,2499,2501,2503,2505,2507,2509],{"class":691,"line":763},[633,2482,1755],{"class":695},[633,2484,1741],{"class":717},[633,2486,1744],{"class":706},[633,2488,1720],{"class":710},[633,2490,1764],{"class":706},[633,2492,1720],{"class":710},[633,2494,1769],{"class":706},[633,2496,1772],{"class":710},[633,2498,1775],{"class":706},[633,2500,1778],{"class":710},[633,2502,890],{"class":710},[633,2504,1783],{"class":730},[633,2506,727],{"class":710},[633,2508,1788],{"class":717},[633,2510,711],{"class":710},[633,2512,2513,2515,2517,2519,2521],{"class":691,"line":773},[633,2514,1795],{"class":706},[633,2516,1720],{"class":710},[633,2518,1800],{"class":706},[633,2520,925],{"class":710},[633,2522,1806],{"class":1805},[633,2524,2525],{"class":691,"line":792},[633,2526,1811],{"class":710},[633,2528,2529],{"class":691,"line":808},[633,2530,855],{"class":710},[633,2532,2533,2535],{"class":691,"line":824},[633,2534,861],{"class":710},[633,2536,2537],{"class":706},"))\n",[679,2539,2542],{"className":681,"code":2540,"filename":270,"language":683,"meta":2541,"style":685},"import { evlog } from 'evlog\u002Fexpress'\n\napp.use(evlog({\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n}))\n","src\u002Findex.ts",[687,2543,2544,2563,2567,2583,2595,2627,2639,2643,2647],{"__ignoreMap":685},[633,2545,2546,2548,2550,2552,2554,2556,2558,2561],{"class":691,"line":692},[633,2547,875],{"class":695},[633,2549,878],{"class":710},[633,2551,2290],{"class":706},[633,2553,884],{"class":710},[633,2555,887],{"class":695},[633,2557,890],{"class":710},[633,2559,2560],{"class":730},"evlog\u002Fexpress",[633,2562,896],{"class":710},[633,2564,2565],{"class":691,"line":714},[633,2566,902],{"emptyLinePlaceholder":901},[633,2568,2569,2571,2573,2575,2577,2579,2581],{"class":691,"line":742},[633,2570,2453],{"class":706},[633,2572,1720],{"class":710},[633,2574,2458],{"class":702},[633,2576,707],{"class":706},[633,2578,1047],{"class":702},[633,2580,707],{"class":706},[633,2582,711],{"class":710},[633,2584,2585,2587,2589,2591,2593],{"class":691,"line":753},[633,2586,1499],{"class":717},[633,2588,707],{"class":710},[633,2590,1744],{"class":1704},[633,2592,1409],{"class":710},[633,2594,750],{"class":710},[633,2596,2597,2599,2601,2603,2605,2607,2609,2611,2613,2615,2617,2619,2621,2623,2625],{"class":691,"line":763},[633,2598,1755],{"class":695},[633,2600,1741],{"class":717},[633,2602,1744],{"class":706},[633,2604,1720],{"class":710},[633,2606,1764],{"class":706},[633,2608,1720],{"class":710},[633,2610,1769],{"class":706},[633,2612,1772],{"class":710},[633,2614,1775],{"class":706},[633,2616,1778],{"class":710},[633,2618,890],{"class":710},[633,2620,1783],{"class":730},[633,2622,727],{"class":710},[633,2624,1788],{"class":717},[633,2626,711],{"class":710},[633,2628,2629,2631,2633,2635,2637],{"class":691,"line":773},[633,2630,1795],{"class":706},[633,2632,1720],{"class":710},[633,2634,1800],{"class":706},[633,2636,925],{"class":710},[633,2638,1806],{"class":1805},[633,2640,2641],{"class":691,"line":792},[633,2642,1811],{"class":710},[633,2644,2645],{"class":691,"line":808},[633,2646,855],{"class":710},[633,2648,2649,2651],{"class":691,"line":824},[633,2650,861],{"class":710},[633,2652,2537],{"class":706},[679,2654,2656],{"className":681,"code":2655,"filename":280,"language":683,"meta":2541,"style":685},"import { evlog } from 'evlog\u002Ffastify'\n\nawait app.register(evlog, {\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n})\n",[687,2657,2658,2677,2681,2701,2713,2745,2757,2761,2765],{"__ignoreMap":685},[633,2659,2660,2662,2664,2666,2668,2670,2672,2675],{"class":691,"line":692},[633,2661,875],{"class":695},[633,2663,878],{"class":710},[633,2665,2290],{"class":706},[633,2667,884],{"class":710},[633,2669,887],{"class":695},[633,2671,890],{"class":710},[633,2673,2674],{"class":730},"evlog\u002Ffastify",[633,2676,896],{"class":710},[633,2678,2679],{"class":691,"line":714},[633,2680,902],{"emptyLinePlaceholder":901},[633,2682,2683,2686,2689,2691,2694,2697,2699],{"class":691,"line":742},[633,2684,2685],{"class":695},"await",[633,2687,2688],{"class":706}," app",[633,2690,1720],{"class":710},[633,2692,2693],{"class":702},"register",[633,2695,2696],{"class":706},"(evlog",[633,2698,785],{"class":710},[633,2700,750],{"class":710},[633,2702,2703,2705,2707,2709,2711],{"class":691,"line":753},[633,2704,1499],{"class":717},[633,2706,707],{"class":710},[633,2708,1744],{"class":1704},[633,2710,1409],{"class":710},[633,2712,750],{"class":710},[633,2714,2715,2717,2719,2721,2723,2725,2727,2729,2731,2733,2735,2737,2739,2741,2743],{"class":691,"line":763},[633,2716,1755],{"class":695},[633,2718,1741],{"class":717},[633,2720,1744],{"class":706},[633,2722,1720],{"class":710},[633,2724,1764],{"class":706},[633,2726,1720],{"class":710},[633,2728,1769],{"class":706},[633,2730,1772],{"class":710},[633,2732,1775],{"class":706},[633,2734,1778],{"class":710},[633,2736,890],{"class":710},[633,2738,1783],{"class":730},[633,2740,727],{"class":710},[633,2742,1788],{"class":717},[633,2744,711],{"class":710},[633,2746,2747,2749,2751,2753,2755],{"class":691,"line":773},[633,2748,1795],{"class":706},[633,2750,1720],{"class":710},[633,2752,1800],{"class":706},[633,2754,925],{"class":710},[633,2756,1806],{"class":1805},[633,2758,2759],{"class":691,"line":792},[633,2760,1811],{"class":710},[633,2762,2763],{"class":691,"line":808},[633,2764,855],{"class":710},[633,2766,2767,2769],{"class":691,"line":824},[633,2768,861],{"class":710},[633,2770,864],{"class":706},[679,2772,2774],{"className":681,"code":2773,"filename":285,"language":683,"meta":2541,"style":685},"import { evlog } from 'evlog\u002Felysia'\n\napp.use(evlog({\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n}))\n",[687,2775,2776,2795,2799,2815,2827,2859,2871,2875,2879],{"__ignoreMap":685},[633,2777,2778,2780,2782,2784,2786,2788,2790,2793],{"class":691,"line":692},[633,2779,875],{"class":695},[633,2781,878],{"class":710},[633,2783,2290],{"class":706},[633,2785,884],{"class":710},[633,2787,887],{"class":695},[633,2789,890],{"class":710},[633,2791,2792],{"class":730},"evlog\u002Felysia",[633,2794,896],{"class":710},[633,2796,2797],{"class":691,"line":714},[633,2798,902],{"emptyLinePlaceholder":901},[633,2800,2801,2803,2805,2807,2809,2811,2813],{"class":691,"line":742},[633,2802,2453],{"class":706},[633,2804,1720],{"class":710},[633,2806,2458],{"class":702},[633,2808,707],{"class":706},[633,2810,1047],{"class":702},[633,2812,707],{"class":706},[633,2814,711],{"class":710},[633,2816,2817,2819,2821,2823,2825],{"class":691,"line":753},[633,2818,1499],{"class":717},[633,2820,707],{"class":710},[633,2822,1744],{"class":1704},[633,2824,1409],{"class":710},[633,2826,750],{"class":710},[633,2828,2829,2831,2833,2835,2837,2839,2841,2843,2845,2847,2849,2851,2853,2855,2857],{"class":691,"line":763},[633,2830,1755],{"class":695},[633,2832,1741],{"class":717},[633,2834,1744],{"class":706},[633,2836,1720],{"class":710},[633,2838,1764],{"class":706},[633,2840,1720],{"class":710},[633,2842,1769],{"class":706},[633,2844,1772],{"class":710},[633,2846,1775],{"class":706},[633,2848,1778],{"class":710},[633,2850,890],{"class":710},[633,2852,1783],{"class":730},[633,2854,727],{"class":710},[633,2856,1788],{"class":717},[633,2858,711],{"class":710},[633,2860,2861,2863,2865,2867,2869],{"class":691,"line":773},[633,2862,1795],{"class":706},[633,2864,1720],{"class":710},[633,2866,1800],{"class":706},[633,2868,925],{"class":710},[633,2870,1806],{"class":1805},[633,2872,2873],{"class":691,"line":792},[633,2874,1811],{"class":710},[633,2876,2877],{"class":691,"line":808},[633,2878,855],{"class":710},[633,2880,2881,2883],{"class":691,"line":824},[633,2882,861],{"class":710},[633,2884,2537],{"class":706},[679,2886,2889],{"className":681,"code":2887,"filename":265,"language":683,"meta":2888,"style":685},"import { EvlogModule } from 'evlog\u002Fnestjs'\n\nEvlogModule.forRoot({\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n})\n","src\u002Fapp.module.ts",[687,2890,2891,2911,2915,2929,2941,2973,2985,2989,2993],{"__ignoreMap":685},[633,2892,2893,2895,2897,2900,2902,2904,2906,2909],{"class":691,"line":692},[633,2894,875],{"class":695},[633,2896,878],{"class":710},[633,2898,2899],{"class":706}," EvlogModule",[633,2901,884],{"class":710},[633,2903,887],{"class":695},[633,2905,890],{"class":710},[633,2907,2908],{"class":730},"evlog\u002Fnestjs",[633,2910,896],{"class":710},[633,2912,2913],{"class":691,"line":714},[633,2914,902],{"emptyLinePlaceholder":901},[633,2916,2917,2920,2922,2925,2927],{"class":691,"line":742},[633,2918,2919],{"class":706},"EvlogModule",[633,2921,1720],{"class":710},[633,2923,2924],{"class":702},"forRoot",[633,2926,707],{"class":706},[633,2928,711],{"class":710},[633,2930,2931,2933,2935,2937,2939],{"class":691,"line":753},[633,2932,1499],{"class":717},[633,2934,707],{"class":710},[633,2936,1744],{"class":1704},[633,2938,1409],{"class":710},[633,2940,750],{"class":710},[633,2942,2943,2945,2947,2949,2951,2953,2955,2957,2959,2961,2963,2965,2967,2969,2971],{"class":691,"line":763},[633,2944,1755],{"class":695},[633,2946,1741],{"class":717},[633,2948,1744],{"class":706},[633,2950,1720],{"class":710},[633,2952,1764],{"class":706},[633,2954,1720],{"class":710},[633,2956,1769],{"class":706},[633,2958,1772],{"class":710},[633,2960,1775],{"class":706},[633,2962,1778],{"class":710},[633,2964,890],{"class":710},[633,2966,1783],{"class":730},[633,2968,727],{"class":710},[633,2970,1788],{"class":717},[633,2972,711],{"class":710},[633,2974,2975,2977,2979,2981,2983],{"class":691,"line":773},[633,2976,1795],{"class":706},[633,2978,1720],{"class":710},[633,2980,1800],{"class":706},[633,2982,925],{"class":710},[633,2984,1806],{"class":1805},[633,2986,2987],{"class":691,"line":792},[633,2988,1811],{"class":710},[633,2990,2991],{"class":691,"line":808},[633,2992,855],{"class":710},[633,2994,2995,2997],{"class":691,"line":824},[633,2996,861],{"class":710},[633,2998,864],{"class":706},[679,3000,3003],{"className":681,"code":3001,"filename":309,"language":683,"meta":3002,"style":685},"import { withEvlog } from 'evlog\u002Forpc'\n\nconst handler = withEvlog(new RPCHandler(router), {\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n})\n","server\u002Forpc.ts",[687,3004,3005,3024,3028,3055,3067,3099,3111,3115,3119],{"__ignoreMap":685},[633,3006,3007,3009,3011,3013,3015,3017,3019,3022],{"class":691,"line":692},[633,3008,875],{"class":695},[633,3010,878],{"class":710},[633,3012,915],{"class":706},[633,3014,884],{"class":710},[633,3016,887],{"class":695},[633,3018,890],{"class":710},[633,3020,3021],{"class":730},"evlog\u002Forpc",[633,3023,896],{"class":710},[633,3025,3026],{"class":691,"line":714},[633,3027,902],{"emptyLinePlaceholder":901},[633,3029,3030,3033,3036,3038,3040,3042,3045,3048,3051,3053],{"class":691,"line":742},[633,3031,3032],{"class":909},"const",[633,3034,3035],{"class":706}," handler ",[633,3037,1605],{"class":710},[633,3039,915],{"class":702},[633,3041,707],{"class":706},[633,3043,3044],{"class":710},"new",[633,3046,3047],{"class":702}," RPCHandler",[633,3049,3050],{"class":706},"(router)",[633,3052,785],{"class":710},[633,3054,750],{"class":710},[633,3056,3057,3059,3061,3063,3065],{"class":691,"line":753},[633,3058,1499],{"class":717},[633,3060,707],{"class":710},[633,3062,1744],{"class":1704},[633,3064,1409],{"class":710},[633,3066,750],{"class":710},[633,3068,3069,3071,3073,3075,3077,3079,3081,3083,3085,3087,3089,3091,3093,3095,3097],{"class":691,"line":763},[633,3070,1755],{"class":695},[633,3072,1741],{"class":717},[633,3074,1744],{"class":706},[633,3076,1720],{"class":710},[633,3078,1764],{"class":706},[633,3080,1720],{"class":710},[633,3082,1769],{"class":706},[633,3084,1772],{"class":710},[633,3086,1775],{"class":706},[633,3088,1778],{"class":710},[633,3090,890],{"class":710},[633,3092,1783],{"class":730},[633,3094,727],{"class":710},[633,3096,1788],{"class":717},[633,3098,711],{"class":710},[633,3100,3101,3103,3105,3107,3109],{"class":691,"line":773},[633,3102,1795],{"class":706},[633,3104,1720],{"class":710},[633,3106,1800],{"class":706},[633,3108,925],{"class":710},[633,3110,1806],{"class":1805},[633,3112,3113],{"class":691,"line":792},[633,3114,1811],{"class":710},[633,3116,3117],{"class":691,"line":808},[633,3118,855],{"class":710},[633,3120,3121,3123],{"class":691,"line":824},[633,3122,861],{"class":710},[633,3124,864],{"class":706},[679,3126,3129],{"className":681,"code":3127,"filename":295,"language":683,"meta":3128,"style":685},"import { withEvlog } from 'evlog\u002Fworkers'\n\nexport default withEvlog(handler, {\n keep(ctx) {\n if (ctx.context.user?.plan === 'enterprise') {\n ctx.shouldKeep = true\n }\n },\n})\n","src\u002Fworker.ts",[687,3130,3131,3150,3154,3169,3181,3213,3225,3229,3233],{"__ignoreMap":685},[633,3132,3133,3135,3137,3139,3141,3143,3145,3148],{"class":691,"line":692},[633,3134,875],{"class":695},[633,3136,878],{"class":710},[633,3138,915],{"class":706},[633,3140,884],{"class":710},[633,3142,887],{"class":695},[633,3144,890],{"class":710},[633,3146,3147],{"class":730},"evlog\u002Fworkers",[633,3149,896],{"class":710},[633,3151,3152],{"class":691,"line":714},[633,3153,902],{"emptyLinePlaceholder":901},[633,3155,3156,3158,3160,3162,3165,3167],{"class":691,"line":742},[633,3157,696],{"class":695},[633,3159,699],{"class":695},[633,3161,915],{"class":702},[633,3163,3164],{"class":706},"(handler",[633,3166,785],{"class":710},[633,3168,750],{"class":710},[633,3170,3171,3173,3175,3177,3179],{"class":691,"line":753},[633,3172,1499],{"class":717},[633,3174,707],{"class":710},[633,3176,1744],{"class":1704},[633,3178,1409],{"class":710},[633,3180,750],{"class":710},[633,3182,3183,3185,3187,3189,3191,3193,3195,3197,3199,3201,3203,3205,3207,3209,3211],{"class":691,"line":763},[633,3184,1755],{"class":695},[633,3186,1741],{"class":717},[633,3188,1744],{"class":706},[633,3190,1720],{"class":710},[633,3192,1764],{"class":706},[633,3194,1720],{"class":710},[633,3196,1769],{"class":706},[633,3198,1772],{"class":710},[633,3200,1775],{"class":706},[633,3202,1778],{"class":710},[633,3204,890],{"class":710},[633,3206,1783],{"class":730},[633,3208,727],{"class":710},[633,3210,1788],{"class":717},[633,3212,711],{"class":710},[633,3214,3215,3217,3219,3221,3223],{"class":691,"line":773},[633,3216,1795],{"class":706},[633,3218,1720],{"class":710},[633,3220,1800],{"class":706},[633,3222,925],{"class":710},[633,3224,1806],{"class":1805},[633,3226,3227],{"class":691,"line":792},[633,3228,1811],{"class":710},[633,3230,3231],{"class":691,"line":808},[633,3232,855],{"class":710},[633,3234,3235,3237],{"class":691,"line":824},[633,3236,861],{"class":710},[633,3238,864],{"class":706},[608,3240,3241,3242,3244],{},"The ",[687,3243,1744],{}," object contains:",[1339,3246,3247,3258],{},[1342,3248,3249],{},[1345,3250,3251,3254,3256],{},[1348,3252,3253],{},"Field",[1348,3255,1353],{},[1348,3257,1356],{},[1358,3259,3260,3274,3287,3301,3315,3332],{},[1345,3261,3262,3266,3271],{},[1363,3263,3264],{},[687,3265,1319],{},[1363,3267,3268],{},[687,3269,3270],{},"number | undefined",[1363,3272,3273],{},"HTTP response status",[1345,3275,3276,3280,3284],{},[1363,3277,3278],{},[687,3279,1323],{},[1363,3281,3282],{},[687,3283,3270],{},[1363,3285,3286],{},"Request duration in ms",[1345,3288,3289,3293,3298],{},[1363,3290,3291],{},[687,3292,1327],{},[1363,3294,3295],{},[687,3296,3297],{},"string | undefined",[1363,3299,3300],{},"Request path",[1345,3302,3303,3308,3312],{},[1363,3304,3305],{},[687,3306,3307],{},"method",[1363,3309,3310],{},[687,3311,3297],{},[1363,3313,3314],{},"HTTP method",[1345,3316,3317,3321,3326],{},[1363,3318,3319],{},[687,3320,1764],{},[1363,3322,3323],{},[687,3324,3325],{},"Record\u003Cstring, unknown>",[1363,3327,3328,3329],{},"All fields set via ",[687,3330,3331],{},"log.set()",[1345,3333,3334,3338,3343],{},[1363,3335,3336],{},[687,3337,1800],{},[1363,3339,3340],{},[687,3341,3342],{},"boolean",[1363,3344,3345,3346,3349],{},"Set to ",[687,3347,3348],{},"true"," to force-keep",[660,3351,3353],{"id":3352},"a-configuration-that-ships","A configuration that ships",[608,3355,3356],{},"A typical production configuration that balances cost and visibility:",[676,3358,3359,3614,3819],{},[679,3360,3362],{"className":681,"code":3361,"filename":240,"language":683,"meta":684,"style":685},"export default defineNuxtConfig({\n modules: ['evlog\u002Fnuxt'],\n evlog: {\n env: { service: 'my-app' },\n },\n $production: {\n evlog: {\n sampling: {\n rates: {\n info: 10,\n warn: 50,\n debug: 0,\n error: 100,\n },\n keep: [\n { status: 400 },\n { duration: 1000 },\n { path: '\u002Fapi\u002Fpayments\u002F**' },\n { path: '\u002Fapi\u002Fauth\u002F**' },\n ],\n },\n },\n },\n})\n",[687,3363,3364,3376,3394,3402,3423,3427,3436,3445,3454,3463,3474,3485,3496,3507,3512,3522,3536,3549,3566,3584,3592,3597,3602,3607],{"__ignoreMap":685},[633,3365,3366,3368,3370,3372,3374],{"class":691,"line":692},[633,3367,696],{"class":695},[633,3369,699],{"class":695},[633,3371,703],{"class":702},[633,3373,707],{"class":706},[633,3375,711],{"class":710},[633,3377,3378,3380,3382,3384,3386,3388,3390,3392],{"class":691,"line":714},[633,3379,718],{"class":717},[633,3381,721],{"class":710},[633,3383,724],{"class":706},[633,3385,727],{"class":710},[633,3387,731],{"class":730},[633,3389,727],{"class":710},[633,3391,736],{"class":706},[633,3393,739],{"class":710},[633,3395,3396,3398,3400],{"class":691,"line":742},[633,3397,745],{"class":717},[633,3399,721],{"class":710},[633,3401,750],{"class":710},[633,3403,3404,3407,3409,3411,3413,3415,3417,3419,3421],{"class":691,"line":753},[633,3405,3406],{"class":717}," env",[633,3408,721],{"class":710},[633,3410,878],{"class":710},[633,3412,1074],{"class":717},[633,3414,721],{"class":710},[633,3416,890],{"class":710},[633,3418,943],{"class":730},[633,3420,727],{"class":710},[633,3422,1085],{"class":710},[633,3424,3425],{"class":691,"line":763},[633,3426,855],{"class":710},[633,3428,3429,3432,3434],{"class":691,"line":773},[633,3430,3431],{"class":717}," $production",[633,3433,721],{"class":710},[633,3435,750],{"class":710},[633,3437,3438,3441,3443],{"class":691,"line":792},[633,3439,3440],{"class":717}," evlog",[633,3442,721],{"class":710},[633,3444,750],{"class":710},[633,3446,3447,3450,3452],{"class":691,"line":808},[633,3448,3449],{"class":717}," sampling",[633,3451,721],{"class":710},[633,3453,750],{"class":710},[633,3455,3456,3459,3461],{"class":691,"line":824},[633,3457,3458],{"class":717}," rates",[633,3460,721],{"class":710},[633,3462,750],{"class":710},[633,3464,3465,3468,3470,3472],{"class":691,"line":840},[633,3466,3467],{"class":717}," info",[633,3469,721],{"class":710},[633,3471,782],{"class":781},[633,3473,739],{"class":710},[633,3475,3476,3479,3481,3483],{"class":691,"line":846},[633,3477,3478],{"class":717}," warn",[633,3480,721],{"class":710},[633,3482,800],{"class":781},[633,3484,739],{"class":710},[633,3486,3487,3490,3492,3494],{"class":691,"line":852},[633,3488,3489],{"class":717}," debug",[633,3491,721],{"class":710},[633,3493,816],{"class":781},[633,3495,739],{"class":710},[633,3497,3498,3501,3503,3505],{"class":691,"line":858},[633,3499,3500],{"class":717}," error",[633,3502,721],{"class":710},[633,3504,832],{"class":781},[633,3506,739],{"class":710},[633,3508,3509],{"class":691,"line":2007},[633,3510,3511],{"class":710}," },\n",[633,3513,3515,3518,3520],{"class":691,"line":3514},15,[633,3516,3517],{"class":717}," keep",[633,3519,721],{"class":710},[633,3521,1236],{"class":706},[633,3523,3525,3528,3530,3532,3534],{"class":691,"line":3524},16,[633,3526,3527],{"class":710}," {",[633,3529,1244],{"class":717},[633,3531,721],{"class":710},[633,3533,1249],{"class":781},[633,3535,1085],{"class":710},[633,3537,3539,3541,3543,3545,3547],{"class":691,"line":3538},17,[633,3540,3527],{"class":710},[633,3542,1262],{"class":717},[633,3544,721],{"class":710},[633,3546,1267],{"class":781},[633,3548,1085],{"class":710},[633,3550,3552,3554,3556,3558,3560,3562,3564],{"class":691,"line":3551},18,[633,3553,3527],{"class":710},[633,3555,1279],{"class":717},[633,3557,721],{"class":710},[633,3559,890],{"class":710},[633,3561,1286],{"class":730},[633,3563,727],{"class":710},[633,3565,1085],{"class":710},[633,3567,3569,3571,3573,3575,3577,3580,3582],{"class":691,"line":3568},19,[633,3570,3527],{"class":710},[633,3572,1279],{"class":717},[633,3574,721],{"class":710},[633,3576,890],{"class":710},[633,3578,3579],{"class":730},"\u002Fapi\u002Fauth\u002F**",[633,3581,727],{"class":710},[633,3583,1085],{"class":710},[633,3585,3587,3590],{"class":691,"line":3586},20,[633,3588,3589],{"class":706}," ]",[633,3591,739],{"class":710},[633,3593,3595],{"class":691,"line":3594},21,[633,3596,843],{"class":710},[633,3598,3600],{"class":691,"line":3599},22,[633,3601,849],{"class":710},[633,3603,3605],{"class":691,"line":3604},23,[633,3606,855],{"class":710},[633,3608,3610,3612],{"class":691,"line":3609},24,[633,3611,861],{"class":710},[633,3613,864],{"class":706},[679,3615,3617],{"className":681,"code":3616,"filename":245,"language":683,"meta":868,"style":685},"import { createEvlog } from 'evlog\u002Fnext'\n\nexport const { withEvlog, useLogger } = createEvlog({\n service: 'my-app',\n sampling: {\n rates: {\n info: 10,\n warn: 50,\n debug: 0,\n error: 100,\n },\n keep: [\n { status: 400 },\n { duration: 1000 },\n { path: '\u002Fapi\u002Fpayments\u002F**' },\n { path: '\u002Fapi\u002Fauth\u002F**' },\n ],\n 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Nuxt, use the ",[687,4019,4020],{},"$production"," override to keep full logging in development while sampling in production. 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