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shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add ai\n","pnpm","bash","",[543,620,621],{"__ignoreMap":618},[622,623,626,629,633],"span",{"class":624,"line":625},"line",1,[622,627,616],{"class":628},"sBMFI",[622,630,632],{"class":631},"sfazB"," add",[622,634,635],{"class":631}," ai\n",[612,637,640],{"className":614,"code":638,"filename":639,"language":617,"meta":618,"style":618},"bun add ai\n","bun",[543,641,642],{"__ignoreMap":618},[622,643,644,646,648],{"class":624,"line":625},[622,645,639],{"class":628},[622,647,632],{"class":631},[622,649,635],{"class":631},[612,651,654],{"className":614,"code":652,"filename":653,"language":617,"meta":618,"style":618},"yarn add ai\n","yarn",[543,655,656],{"__ignoreMap":618},[622,657,658,660,662],{"class":624,"line":625},[622,659,653],{"class":628},[622,661,632],{"class":631},[622,663,635],{"class":631},[612,665,668],{"className":614,"code":666,"filename":667,"language":617,"meta":618,"style":618},"npm install ai\n","npm",[543,669,670],{"__ignoreMap":618},[622,671,672,674,677],{"class":624,"line":625},[622,673,667],{"class":628},[622,675,676],{"class":631}," install",[622,678,635],{"class":631},[601,680,24],{"id":681},"quick-start",[683,684],"ai-sdk-wide-event",{},[540,686,687],{},"Two lines to add, one param to change:",[609,689,690,820],{},[612,691,696],{"className":692,"code":693,"filename":694,"language":695,"meta":618,"style":618},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","export default defineEventHandler(async (event) => {\n  const result = streamText({\n    model: 'anthropic\u002Fclaude-sonnet-4.6',\n    messages,\n  })\n  return result.toTextStreamResponse()\n})\n","Before","typescript",[543,697,698,736,757,778,786,795,812],{"__ignoreMap":618},[622,699,700,704,707,711,715,719,723,727,730,733],{"class":624,"line":625},[622,701,703],{"class":702},"s7zQu","export",[622,705,706],{"class":702}," default",[622,708,710],{"class":709},"s2Zo4"," defineEventHandler",[622,712,714],{"class":713},"sTEyZ","(",[622,716,718],{"class":717},"spNyl","async",[622,720,722],{"class":721},"sMK4o"," (",[622,724,726],{"class":725},"sHdIc","event",[622,728,729],{"class":721},")",[622,731,732],{"class":717}," =>",[622,734,735],{"class":721}," {\n",[622,737,739,742,745,748,751,754],{"class":624,"line":738},2,[622,740,741],{"class":717},"  const",[622,743,744],{"class":713}," result",[622,746,747],{"class":721}," =",[622,749,750],{"class":709}," streamText",[622,752,714],{"class":753},"swJcz",[622,755,756],{"class":721},"{\n",[622,758,760,763,766,769,772,775],{"class":624,"line":759},3,[622,761,762],{"class":753},"    model",[622,764,765],{"class":721},":",[622,767,768],{"class":721}," '",[622,770,771],{"class":631},"anthropic\u002Fclaude-sonnet-4.6",[622,773,774],{"class":721},"'",[622,776,777],{"class":721},",\n",[622,779,781,784],{"class":624,"line":780},4,[622,782,783],{"class":713},"    messages",[622,785,777],{"class":721},[622,787,789,792],{"class":624,"line":788},5,[622,790,791],{"class":721},"  }",[622,793,794],{"class":753},")\n",[622,796,798,801,803,806,809],{"class":624,"line":797},6,[622,799,800],{"class":702},"  return",[622,802,744],{"class":713},[622,804,805],{"class":721},".",[622,807,808],{"class":709},"toTextStreamResponse",[622,810,811],{"class":753},"()\n",[622,813,815,818],{"class":624,"line":814},7,[622,816,817],{"class":721},"}",[622,819,794],{"class":713},[612,821,824],{"className":692,"code":822,"filename":823,"language":695,"meta":618,"style":618},"import { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n  const ai = createAILogger(log)\n\n  const result = streamText({\n    model: ai.wrap('anthropic\u002Fclaude-sonnet-4.6'),\n    messages,\n  })\n  return result.toTextStreamResponse()\n})\n","After",[543,825,826,851,870,876,898,915,933,937,952,978,985,992,1005],{"__ignoreMap":618},[622,827,828,831,834,837,840,843,845,848],{"class":624,"line":625},[622,829,830],{"class":702},"import",[622,832,833],{"class":721}," {",[622,835,836],{"class":713}," useLogger",[622,838,839],{"class":721}," }",[622,841,842],{"class":702}," from",[622,844,768],{"class":721},[622,846,847],{"class":631},"evlog",[622,849,850],{"class":721},"'\n",[622,852,853,855,857,860,862,864,866,868],{"class":624,"line":738},[622,854,830],{"class":702},[622,856,833],{"class":721},[622,858,859],{"class":713}," createAILogger",[622,861,839],{"class":721},[622,863,842],{"class":702},[622,865,768],{"class":721},[622,867,545],{"class":631},[622,869,850],{"class":721},[622,871,872],{"class":624,"line":759},[622,873,875],{"emptyLinePlaceholder":874},true,"\n",[622,877,878,880,882,884,886,888,890,892,894,896],{"class":624,"line":780},[622,879,703],{"class":702},[622,881,706],{"class":702},[622,883,710],{"class":709},[622,885,714],{"class":713},[622,887,718],{"class":717},[622,889,722],{"class":721},[622,891,726],{"class":725},[622,893,729],{"class":721},[622,895,732],{"class":717},[622,897,735],{"class":721},[622,899,900,902,905,907,909,911,913],{"class":624,"line":788},[622,901,741],{"class":717},[622,903,904],{"class":713}," log",[622,906,747],{"class":721},[622,908,836],{"class":709},[622,910,714],{"class":753},[622,912,726],{"class":713},[622,914,794],{"class":753},[622,916,917,919,922,924,926,928,931],{"class":624,"line":797},[622,918,741],{"class":717},[622,920,921],{"class":713}," ai",[622,923,747],{"class":721},[622,925,859],{"class":709},[622,927,714],{"class":753},[622,929,930],{"class":713},"log",[622,932,794],{"class":753},[622,934,935],{"class":624,"line":814},[622,936,875],{"emptyLinePlaceholder":874},[622,938,940,942,944,946,948,950],{"class":624,"line":939},8,[622,941,741],{"class":717},[622,943,744],{"class":713},[622,945,747],{"class":721},[622,947,750],{"class":709},[622,949,714],{"class":753},[622,951,756],{"class":721},[622,953,955,957,959,961,963,966,968,970,972,974,976],{"class":624,"line":954},9,[622,956,762],{"class":753},[622,958,765],{"class":721},[622,960,921],{"class":713},[622,962,805],{"class":721},[622,964,965],{"class":709},"wrap",[622,967,714],{"class":753},[622,969,774],{"class":721},[622,971,771],{"class":631},[622,973,774],{"class":721},[622,975,729],{"class":753},[622,977,777],{"class":721},[622,979,981,983],{"class":624,"line":980},10,[622,982,783],{"class":713},[622,984,777],{"class":721},[622,986,988,990],{"class":624,"line":987},11,[622,989,791],{"class":721},[622,991,794],{"class":753},[622,993,995,997,999,1001,1003],{"class":624,"line":994},12,[622,996,800],{"class":702},[622,998,744],{"class":713},[622,1000,805],{"class":721},[622,1002,808],{"class":709},[622,1004,811],{"class":753},[622,1006,1008,1010],{"class":624,"line":1007},13,[622,1009,817],{"class":721},[622,1011,794],{"class":713},[540,1013,1014],{},"Your wide event now includes:",[612,1016,1021],{"className":1017,"code":1018,"filename":1019,"language":1020,"meta":618,"style":618},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"method\": \"POST\",\n  \"path\": \"\u002Fapi\u002Fchat\",\n  \"status\": 200,\n  \"duration\": \"4.5s\",\n  \"durationMs\": 4512,\n  \"ai\": {\n    \"calls\": 1,\n    \"model\": \"claude-sonnet-4.6\",\n    \"provider\": \"anthropic\",\n    \"inputTokens\": 3312,\n    \"outputTokens\": 814,\n    \"totalTokens\": 4126,\n    \"reasoningTokens\": 225,\n    \"finishReason\": \"stop\",\n    \"msToFirstChunk\": 234,\n    \"msToFinish\": 4500,\n    \"tokensPerSecond\": 180\n  }\n}\n","Wide Event","json",[543,1022,1023,1027,1050,1070,1087,1107,1123,1136,1153,1173,1193,1209,1225,1241,1258,1279,1296,1313,1328,1334],{"__ignoreMap":618},[622,1024,1025],{"class":624,"line":625},[622,1026,756],{"class":721},[622,1028,1029,1032,1035,1038,1040,1043,1046,1048],{"class":624,"line":738},[622,1030,1031],{"class":721},"  \"",[622,1033,1034],{"class":717},"method",[622,1036,1037],{"class":721},"\"",[622,1039,765],{"class":721},[622,1041,1042],{"class":721}," \"",[622,1044,1045],{"class":631},"POST",[622,1047,1037],{"class":721},[622,1049,777],{"class":721},[622,1051,1052,1054,1057,1059,1061,1063,1066,1068],{"class":624,"line":759},[622,1053,1031],{"class":721},[622,1055,1056],{"class":717},"path",[622,1058,1037],{"class":721},[622,1060,765],{"class":721},[622,1062,1042],{"class":721},[622,1064,1065],{"class":631},"\u002Fapi\u002Fchat",[622,1067,1037],{"class":721},[622,1069,777],{"class":721},[622,1071,1072,1074,1077,1079,1081,1085],{"class":624,"line":780},[622,1073,1031],{"class":721},[622,1075,1076],{"class":717},"status",[622,1078,1037],{"class":721},[622,1080,765],{"class":721},[622,1082,1084],{"class":1083},"sbssI"," 200",[622,1086,777],{"class":721},[622,1088,1089,1091,1094,1096,1098,1100,1103,1105],{"class":624,"line":788},[622,1090,1031],{"class":721},[622,1092,1093],{"class":717},"duration",[622,1095,1037],{"class":721},[622,1097,765],{"class":721},[622,1099,1042],{"class":721},[622,1101,1102],{"class":631},"4.5s",[622,1104,1037],{"class":721},[622,1106,777],{"class":721},[622,1108,1109,1111,1114,1116,1118,1121],{"class":624,"line":797},[622,1110,1031],{"class":721},[622,1112,1113],{"class":717},"durationMs",[622,1115,1037],{"class":721},[622,1117,765],{"class":721},[622,1119,1120],{"class":1083}," 4512",[622,1122,777],{"class":721},[622,1124,1125,1127,1130,1132,1134],{"class":624,"line":814},[622,1126,1031],{"class":721},[622,1128,1129],{"class":717},"ai",[622,1131,1037],{"class":721},[622,1133,765],{"class":721},[622,1135,735],{"class":721},[622,1137,1138,1141,1144,1146,1148,1151],{"class":624,"line":939},[622,1139,1140],{"class":721},"    \"",[622,1142,1143],{"class":628},"calls",[622,1145,1037],{"class":721},[622,1147,765],{"class":721},[622,1149,1150],{"class":1083}," 1",[622,1152,777],{"class":721},[622,1154,1155,1157,1160,1162,1164,1166,1169,1171],{"class":624,"line":954},[622,1156,1140],{"class":721},[622,1158,1159],{"class":628},"model",[622,1161,1037],{"class":721},[622,1163,765],{"class":721},[622,1165,1042],{"class":721},[622,1167,1168],{"class":631},"claude-sonnet-4.6",[622,1170,1037],{"class":721},[622,1172,777],{"class":721},[622,1174,1175,1177,1180,1182,1184,1186,1189,1191],{"class":624,"line":980},[622,1176,1140],{"class":721},[622,1178,1179],{"class":628},"provider",[622,1181,1037],{"class":721},[622,1183,765],{"class":721},[622,1185,1042],{"class":721},[622,1187,1188],{"class":631},"anthropic",[622,1190,1037],{"class":721},[622,1192,777],{"class":721},[622,1194,1195,1197,1200,1202,1204,1207],{"class":624,"line":987},[622,1196,1140],{"class":721},[622,1198,1199],{"class":628},"inputTokens",[622,1201,1037],{"class":721},[622,1203,765],{"class":721},[622,1205,1206],{"class":1083}," 3312",[622,1208,777],{"class":721},[622,1210,1211,1213,1216,1218,1220,1223],{"class":624,"line":994},[622,1212,1140],{"class":721},[622,1214,1215],{"class":628},"outputTokens",[622,1217,1037],{"class":721},[622,1219,765],{"class":721},[622,1221,1222],{"class":1083}," 814",[622,1224,777],{"class":721},[622,1226,1227,1229,1232,1234,1236,1239],{"class":624,"line":1007},[622,1228,1140],{"class":721},[622,1230,1231],{"class":628},"totalTokens",[622,1233,1037],{"class":721},[622,1235,765],{"class":721},[622,1237,1238],{"class":1083}," 4126",[622,1240,777],{"class":721},[622,1242,1244,1246,1249,1251,1253,1256],{"class":624,"line":1243},14,[622,1245,1140],{"class":721},[622,1247,1248],{"class":628},"reasoningTokens",[622,1250,1037],{"class":721},[622,1252,765],{"class":721},[622,1254,1255],{"class":1083}," 225",[622,1257,777],{"class":721},[622,1259,1261,1263,1266,1268,1270,1272,1275,1277],{"class":624,"line":1260},15,[622,1262,1140],{"class":721},[622,1264,1265],{"class":628},"finishReason",[622,1267,1037],{"class":721},[622,1269,765],{"class":721},[622,1271,1042],{"class":721},[622,1273,1274],{"class":631},"stop",[622,1276,1037],{"class":721},[622,1278,777],{"class":721},[622,1280,1282,1284,1287,1289,1291,1294],{"class":624,"line":1281},16,[622,1283,1140],{"class":721},[622,1285,1286],{"class":628},"msToFirstChunk",[622,1288,1037],{"class":721},[622,1290,765],{"class":721},[622,1292,1293],{"class":1083}," 234",[622,1295,777],{"class":721},[622,1297,1299,1301,1304,1306,1308,1311],{"class":624,"line":1298},17,[622,1300,1140],{"class":721},[622,1302,1303],{"class":628},"msToFinish",[622,1305,1037],{"class":721},[622,1307,765],{"class":721},[622,1309,1310],{"class":1083}," 4500",[622,1312,777],{"class":721},[622,1314,1316,1318,1321,1323,1325],{"class":624,"line":1315},18,[622,1317,1140],{"class":721},[622,1319,1320],{"class":628},"tokensPerSecond",[622,1322,1037],{"class":721},[622,1324,765],{"class":721},[622,1326,1327],{"class":1083}," 180\n",[622,1329,1331],{"class":624,"line":1330},19,[622,1332,1333],{"class":721},"  }\n",[622,1335,1337],{"class":624,"line":1336},20,[622,1338,1339],{"class":721},"}\n",[601,1341,1343],{"id":1342},"how-it-works","How It Works",[540,1345,1346,1349,1350,1353],{},[543,1347,1348],{},"createAILogger(log, options?)"," returns an ",[543,1351,1352],{},"AILogger"," with the following methods:",[1355,1356,1357,1370],"table",{},[1358,1359,1360],"thead",{},[1361,1362,1363,1367],"tr",{},[1364,1365,1366],"th",{},"Method",[1364,1368,1369],{},"Description",[1371,1372,1373,1407,1425,1438,1452],"tbody",{},[1361,1374,1375,1381],{},[1376,1377,1378],"td",{},[543,1379,1380],{},"wrap(model)",[1376,1382,1383,1384,1387,1388,1391,1392,1395,1396,1399,1400,1403,1404,805],{},"Wraps a language model with middleware. Accepts a model string (e.g. ",[543,1385,1386],{},"'anthropic\u002Fclaude-sonnet-4.6'",") or a ",[543,1389,1390],{},"LanguageModelV3"," \u002F ",[543,1393,1394],{},"LanguageModelV4"," object. Works with ",[543,1397,1398],{},"generateText",", ",[543,1401,1402],{},"streamText",", and ",[543,1405,1406],{},"ToolLoopAgent",[1361,1408,1409,1414],{},[1376,1410,1411],{},[543,1412,1413],{},"captureEmbed(result)",[1376,1415,1416,1417,1420,1421,1424],{},"Manually captures token usage, model info, and dimensions from ",[543,1418,1419],{},"embed()"," or ",[543,1422,1423],{},"embedMany()"," results.",[1361,1426,1427,1432],{},[1376,1428,1429],{},[543,1430,1431],{},"getMetadata()",[1376,1433,1434,1435,805],{},"Returns a snapshot of the current execution metadata. See ",[590,1436,1437],{"href":338},"Access Metadata",[1361,1439,1440,1445],{},[1376,1441,1442],{},[543,1443,1444],{},"getEstimatedCost()",[1376,1446,1447,1448,1451],{},"Returns the current estimated cost in dollars when a ",[543,1449,1450],{},"cost"," map is configured.",[1361,1453,1454,1459],{},[1376,1455,1456],{},[543,1457,1458],{},"onUpdate(callback)",[1376,1460,1461],{},"Subscribe to metadata updates. Fires on every step, embed, error, and integration finish.",[540,1463,1464],{},"The middleware intercepts calls at the provider level. It does not touch your callbacks, prompts, or responses. Captured data flows through the normal evlog pipeline (sampling, enrichers, drains) and lands in Axiom, Better Stack, or wherever you drain to.",[601,1466,1468],{"id":1467},"where-to-next","Where to next",[1470,1471,1472,1481,1484,1490],"card-group",{},[1473,1474,1476,1399,1478,1480],"card",{"icon":330,"title":1475,"to":328},"Usage Patterns",[543,1477,1402],{},[543,1479,1398],{},", multi-step agents, RAG, multiple models: every common pattern, ready to copy.",[1473,1482,1483],{"icon":335,"title":332,"to":333},"Capture tool inputs (with redaction and truncation), enable cost estimation, and handle errors.",[1473,1485,1486,1487,1489],{"icon":340,"title":1437,"to":338},"Read the captured ",[543,1488,1129],{}," data inside your handler: persist it, bill against it, or stream it to the client.",[1473,1491,1493,1494,1497],{"icon":345,"title":1492,"to":343},"Deeper Telemetry","Add tool execution timing and total wall time with ",[543,1495,1496],{},"createEvlogIntegration",". Compose with other middlewares.",[601,1499,1501],{"id":1500},"works-with-all-frameworks","Works With All Frameworks",[540,1503,1504,1506],{},[543,1505,545],{}," works with any framework that evlog supports:",[609,1508,1509,1584,1701,1794,1890,1979,2049],{},[612,1510,1512],{"className":692,"code":1511,"filename":226,"language":695,"meta":618,"style":618},"import { useLogger } from 'evlog'\nimport { createAILogger } from 'evlog\u002Fai'\n\nconst log = useLogger(event)\nconst ai = 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...\n})\n",[543,1705,1706,1724,1728,1764,1784,1788],{"__ignoreMap":618},[622,1707,1708,1710,1712,1714,1716,1718,1720,1722],{"class":624,"line":625},[622,1709,830],{"class":702},[622,1711,833],{"class":721},[622,1713,859],{"class":713},[622,1715,839],{"class":721},[622,1717,842],{"class":702},[622,1719,768],{"class":721},[622,1721,545],{"class":631},[622,1723,850],{"class":721},[622,1725,1726],{"class":624,"line":738},[622,1727,875],{"emptyLinePlaceholder":874},[622,1729,1730,1733,1735,1738,1740,1742,1744,1746,1748,1750,1753,1755,1758,1760,1762],{"class":624,"line":759},[622,1731,1732],{"class":713},"app",[622,1734,805],{"class":721},[622,1736,1737],{"class":709},"post",[622,1739,714],{"class":713},[622,1741,774],{"class":721},[622,1743,1065],{"class":631},[622,1745,774],{"class":721},[622,1747,1600],{"class":721},[622,1749,722],{"class":721},[622,1751,1752],{"class":725},"req",[622,1754,1600],{"class":721},[622,1756,1757],{"class":725}," 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