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createFsDrain } from 'evlog\u002Ffs'\nimport type { DrainContext } from 'evlog'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 50, intervalMs: 2000 },\n  retry: { maxAttempts: 3 },\n  bufferSize: 1000,\n})\n\nexport const drain = pipeline(\n  createAxiomDrain(),\n  createDatadogDrain(),\n  createSentryDrain({ minLevel: 'error' }),  \u002F\u002F Sentry only gets errors\n  createFsDrain({ dir: '.evlog\u002Flogs', maxFiles: 14 }),\n)\n","ts","",[575,576,577,610,631,652,673,694,718,725,757,792,812,826,835,840,860,871,881,916,954],"code",{"__ignoreMap":573},[578,579,582,586,590,594,597,600,603,607],"span",{"class":580,"line":581},"line",1,[578,583,585],{"class":584},"s7zQu","import",[578,587,589],{"class":588},"sMK4o"," {",[578,591,593],{"class":592},"sTEyZ"," createDrainPipeline",[578,595,596],{"class":588}," }",[578,598,599],{"class":584}," from",[578,601,602],{"class":588}," '",[578,604,606],{"class":605},"sfazB","evlog\u002Fpipeline",[578,608,609],{"class":588},"'\n",[578,611,613,615,617,620,622,624,626,629],{"class":580,"line":612},2,[578,614,585],{"class":584},[578,616,589],{"class":588},[578,618,619],{"class":592}," createAxiomDrain",[578,621,596],{"class":588},[578,623,599],{"class":584},[578,625,602],{"class":588},[578,627,628],{"class":605},"evlog\u002Faxiom",[578,630,609],{"class":588},[578,632,634,636,638,641,643,645,647,650],{"class":580,"line":633},3,[578,635,585],{"class":584},[578,637,589],{"class":588},[578,639,640],{"class":592}," createDatadogDrain",[578,642,596],{"class":588},[578,644,599],{"class":584},[578,646,602],{"class":588},[578,648,649],{"class":605},"evlog\u002Fdatadog",[578,651,609],{"class":588},[578,653,655,657,659,662,664,666,668,671],{"class":580,"line":654},4,[578,656,585],{"class":584},[578,658,589],{"class":588},[578,660,661],{"class":592}," createSentryDrain",[578,663,596],{"class":588},[578,665,599],{"class":584},[578,667,602],{"class":588},[578,669,670],{"class":605},"evlog\u002Fsentry",[578,672,609],{"class":588},[578,674,676,678,680,683,685,687,689,692],{"class":580,"line":675},5,[578,677,585],{"class":584},[578,679,589],{"class":588},[578,681,682],{"class":592}," createFsDrain",[578,684,596],{"class":588},[578,686,599],{"class":584},[578,688,602],{"class":588},[578,690,691],{"class":605},"evlog\u002Ffs",[578,693,609],{"class":588},[578,695,697,699,702,704,707,709,711,713,716],{"class":580,"line":696},6,[578,698,585],{"class":584},[578,700,701],{"class":584}," type",[578,703,589],{"class":588},[578,705,706],{"class":592}," DrainContext",[578,708,596],{"class":588},[578,710,599],{"class":584},[578,712,602],{"class":588},[578,714,715],{"class":605},"evlog",[578,717,609],{"class":588},[578,719,721],{"class":580,"line":720},7,[578,722,724],{"emptyLinePlaceholder":723},true,"\n",[578,726,728,732,735,738,741,744,748,751,754],{"class":580,"line":727},8,[578,729,731],{"class":730},"spNyl","const",[578,733,734],{"class":592}," pipeline ",[578,736,737],{"class":588},"=",[578,739,593],{"class":740},"s2Zo4",[578,742,743],{"class":588},"\u003C",[578,745,747],{"class":746},"sBMFI","DrainContext",[578,749,750],{"class":588},">",[578,752,753],{"class":592},"(",[578,755,756],{"class":588},"{\n",[578,758,760,764,767,769,772,774,778,781,784,786,789],{"class":580,"line":759},9,[578,761,763],{"class":762},"swJcz","  batch",[578,765,766],{"class":588},":",[578,768,589],{"class":588},[578,770,771],{"class":762}," size",[578,773,766],{"class":588},[578,775,777],{"class":776},"sbssI"," 50",[578,779,780],{"class":588},",",[578,782,783],{"class":762}," intervalMs",[578,785,766],{"class":588},[578,787,788],{"class":776}," 2000",[578,790,791],{"class":588}," },\n",[578,793,795,798,800,802,805,807,810],{"class":580,"line":794},10,[578,796,797],{"class":762},"  retry",[578,799,766],{"class":588},[578,801,589],{"class":588},[578,803,804],{"class":762}," maxAttempts",[578,806,766],{"class":588},[578,808,809],{"class":776}," 3",[578,811,791],{"class":588},[578,813,815,818,820,823],{"class":580,"line":814},11,[578,816,817],{"class":762},"  bufferSize",[578,819,766],{"class":588},[578,821,822],{"class":776}," 1000",[578,824,825],{"class":588},",\n",[578,827,829,832],{"class":580,"line":828},12,[578,830,831],{"class":588},"}",[578,833,834],{"class":592},")\n",[578,836,838],{"class":580,"line":837},13,[578,839,724],{"emptyLinePlaceholder":723},[578,841,843,846,849,852,854,857],{"class":580,"line":842},14,[578,844,845],{"class":584},"export",[578,847,848],{"class":730}," const",[578,850,851],{"class":592}," drain ",[578,853,737],{"class":588},[578,855,856],{"class":740}," pipeline",[578,858,859],{"class":592},"(\n",[578,861,863,866,869],{"class":580,"line":862},15,[578,864,865],{"class":740},"  createAxiomDrain",[578,867,868],{"class":592},"()",[578,870,825],{"class":588},[578,872,874,877,879],{"class":580,"line":873},16,[578,875,876],{"class":740},"  createDatadogDrain",[578,878,868],{"class":592},[578,880,825],{"class":588},[578,882,884,887,889,892,895,897,899,902,905,907,910,912],{"class":580,"line":883},17,[578,885,886],{"class":740},"  createSentryDrain",[578,888,753],{"class":592},[578,890,891],{"class":588},"{",[578,893,894],{"class":762}," minLevel",[578,896,766],{"class":588},[578,898,602],{"class":588},[578,900,901],{"class":605},"error",[578,903,904],{"class":588},"'",[578,906,596],{"class":588},[578,908,909],{"class":592},")",[578,911,780],{"class":588},[578,913,915],{"class":914},"sHwdD","  \u002F\u002F Sentry only gets errors\n",[578,917,919,922,924,926,929,931,933,936,938,940,943,945,948,950,952],{"class":580,"line":918},18,[578,920,921],{"class":740},"  createFsDrain",[578,923,753],{"class":592},[578,925,891],{"class":588},[578,927,928],{"class":762}," dir",[578,930,766],{"class":588},[578,932,602],{"class":588},[578,934,935],{"class":605},".evlog\u002Flogs",[578,937,904],{"class":588},[578,939,780],{"class":588},[578,941,942],{"class":762}," maxFiles",[578,944,766],{"class":588},[578,946,947],{"class":776}," 14",[578,949,596],{"class":588},[578,951,909],{"class":592},[578,953,825],{"class":588},[578,955,957],{"class":580,"line":956},19,[578,958,834],{"class":592},[554,960,961,962,965,966,969,970,973],{},"Then register ",[575,963,964],{},"drain"," wherever your framework integration takes a drain — ",[575,967,968],{},"nitroApp.hooks.hook('evlog:drain', drain)"," for Nitro, ",[575,971,972],{},"initLogger({ drain })"," for Next.js \u002F standalone, etc.",[563,975,977],{"id":976},"what-you-get","What you get",[979,980,981,988,994],"ul",{},[982,983,984,987],"li",{},[558,985,986],{},"Parallel dispatch"," — every batch hits all four destinations concurrently",[982,989,990,993],{},[558,991,992],{},"Independent failures"," — if Datadog's API is down, Axiom and Sentry still receive events; the failed batch is retried for Datadog only",[982,995,996,999],{},[558,997,998],{},"Shared backpressure"," — the buffer is sized once for the whole pipeline; if any drain falls behind, the oldest events drop together (consistent across destinations)",[563,1001,1003],{"id":1002},"per-drain-filtering","Per-drain filtering",[554,1005,1006],{},"Wrap a drain to filter events before they reach it:",[568,1008,1010],{"className":570,"code":1009,"language":572,"meta":573,"style":573},"function onlyErrors(inner: typeof createSentryDrain): typeof createSentryDrain {\n  return (opts) => {\n    const wrapped = inner(opts)\n    return async (ctx) => {\n      const filtered = (Array.isArray(ctx) ? ctx : [ctx]).filter(c => c.event?.level === 'error')\n      if (filtered.length > 0) await wrapped(filtered as never)\n    }\n  }\n}\n\nexport const drain = pipeline(\n  createAxiomDrain(),                                     \u002F\u002F all events\n  onlyErrors(createSentryDrain)({ dsn: process.env.SENTRY_DSN! }),  \u002F\u002F errors only\n)\n",[575,1011,1012,1043,1062,1082,1101,1183,1223,1228,1233,1238,1242,1256,1267,1307],{"__ignoreMap":573},[578,1013,1014,1017,1020,1022,1026,1028,1031,1033,1036,1038,1041],{"class":580,"line":581},[578,1015,1016],{"class":730},"function",[578,1018,1019],{"class":740}," onlyErrors",[578,1021,753],{"class":588},[578,1023,1025],{"class":1024},"sHdIc","inner",[578,1027,766],{"class":588},[578,1029,1030],{"class":588}," typeof",[578,1032,661],{"class":592},[578,1034,1035],{"class":588},"):",[578,1037,1030],{"class":588},[578,1039,1040],{"class":592}," createSentryDrain 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0",[578,1205,1128],{"class":762},[578,1207,1208],{"class":584},"await",[578,1210,1069],{"class":740},[578,1212,753],{"class":762},[578,1214,1192],{"class":592},[578,1216,1217],{"class":584}," as",[578,1219,1220],{"class":746}," never",[578,1222,834],{"class":762},[578,1224,1225],{"class":580,"line":720},[578,1226,1227],{"class":588},"    }\n",[578,1229,1230],{"class":580,"line":727},[578,1231,1232],{"class":588},"  }\n",[578,1234,1235],{"class":580,"line":759},[578,1236,1237],{"class":588},"}\n",[578,1239,1240],{"class":580,"line":794},[578,1241,724],{"emptyLinePlaceholder":723},[578,1243,1244,1246,1248,1250,1252,1254],{"class":580,"line":814},[578,1245,845],{"class":584},[578,1247,848],{"class":730},[578,1249,851],{"class":592},[578,1251,737],{"class":588},[578,1253,856],{"class":740},[578,1255,859],{"class":592},[578,1257,1258,1260,1262,1264],{"class":580,"line":828},[578,1259,865],{"class":740},[578,1261,868],{"class":592},[578,1263,780],{"class":588},[578,1265,1266],{"class":914},"                                     \u002F\u002F all events\n",[578,1268,1269,1272,1275,1277,1280,1282,1285,1287,1290,1292,1295,1298,1300,1302,1304],{"class":580,"line":837},[578,1270,1271],{"class":740},"  onlyErrors",[578,1273,1274],{"class":592},"(createSentryDrain)(",[578,1276,891],{"class":588},[578,1278,1279],{"class":762}," dsn",[578,1281,766],{"class":588},[578,1283,1284],{"class":592}," process",[578,1286,1118],{"class":588},[578,1288,1289],{"class":592},"env",[578,1291,1118],{"class":588},[578,1293,1294],{"class":592},"SENTRY_DSN",[578,1296,1297],{"class":588},"!",[578,1299,596],{"class":588},[578,1301,909],{"class":592},[578,1303,780],{"class":588},[578,1305,1306],{"class":914},"  \u002F\u002F errors only\n",[578,1308,1309],{"class":580,"line":842},[578,1310,834],{"class":592},[554,1312,1313,1314,1317],{},"Most built-in drains expose ",[575,1315,1316],{},"minLevel"," directly, so you only need this pattern for non-level filters (path, custom field, etc.).",[563,1319,1321],{"id":1320},"what-not-to-do","What not to do",[979,1323,1324,1330,1340],{},[982,1325,1326,1329],{},[558,1327,1328],{},"Don't create one pipeline per drain"," — defeats the batch \u002F retry sharing",[982,1331,1332,1339],{},[558,1333,1334,1335,1338],{},"Don't forget ",[575,1336,1337],{},"drain.flush()"," on shutdown"," — events buffered for fanout are lost on abrupt exit",[982,1341,1342,1345,1346,1350],{},[558,1343,1344],{},"Don't fan out to a serverless-incompatible target without checking"," — the ",[1347,1348,1349],"a",{"href":313},"stream server"," reaches every connected client through the in-process stream; it's not a drain",[563,1352,1354],{"id":1353},"going-further","Going further",[979,1356,1357,1366],{},[982,1358,1359,1361,1362,1365],{},[1347,1360,415],{"href":416}," — the full reference for ",[575,1363,1364],{},"createDrainPipeline()"," options",[982,1367,1368,1370],{},[1347,1369,410],{"href":411}," — fanout works with any drain, including ones you write",[1372,1373,1374],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .swJcz, html 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