[{"data":1,"prerenderedAt":2486},["ShallowReactive",2],{"navigation_docs":3,"-core-concepts-configuration":454,"-core-concepts-configuration-surround":2481},[4,35,159,201,289,352,438],{"title":5,"path":6,"stem":7,"children":8,"page":34},"Getting Started","\u002Fgetting-started","1.getting-started",[9,14,19,24,29],{"title":10,"path":11,"stem":12,"icon":13},"Introduction","\u002Fgetting-started\u002Fintroduction","1.getting-started\u002F1.introduction","i-lucide-info",{"title":15,"path":16,"stem":17,"icon":18},"Installation","\u002Fgetting-started\u002Finstallation","1.getting-started\u002F2.installation","i-lucide-download",{"title":20,"path":21,"stem":22,"icon":23},"Quick Start","\u002Fgetting-started\u002Fquick-start","1.getting-started\u002F3.quick-start","i-lucide-zap",{"title":25,"path":26,"stem":27,"icon":28},"Agent Skills","\u002Fgetting-started\u002Fagent-skills","1.getting-started\u002F4.agent-skills","i-lucide-sparkles",{"title":30,"path":31,"stem":32,"icon":33},"vs Other Loggers","\u002Fgetting-started\u002Fvs-other-loggers","1.getting-started\u002F5.vs-other-loggers","i-lucide-scale",false,{"title":36,"path":37,"stem":38,"children":39,"page":34},"Logging","\u002Flogging","2.logging",[40,45,50,55,60,65,70,99,127],{"title":41,"path":42,"stem":43,"icon":44},"Overview","\u002Flogging\u002Foverview","2.logging\u002F0.overview","i-lucide-list",{"title":46,"path":47,"stem":48,"icon":49},"Simple Logging","\u002Flogging\u002Fsimple-logging","2.logging\u002F1.simple-logging","i-lucide-terminal",{"title":51,"path":52,"stem":53,"icon":54},"Wide Events","\u002Flogging\u002Fwide-events","2.logging\u002F2.wide-events","i-lucide-layers",{"title":56,"path":57,"stem":58,"icon":59},"Structured Errors","\u002Flogging\u002Fstructured-errors","2.logging\u002F3.structured-errors","i-lucide-shield-alert",{"title":61,"path":62,"stem":63,"icon":64},"Catalogs","\u002Flogging\u002Fcatalogs","2.logging\u002F4.catalogs","i-lucide-book-open",{"title":66,"path":67,"stem":68,"icon":69},"Client Logging","\u002Flogging\u002Fclient-logging","2.logging\u002F5.client-logging","i-lucide-monitor",{"title":71,"icon":72,"path":73,"stem":74,"children":75,"page":34},"AI SDK","i-simple-icons-vercel","\u002Flogging\u002Fai-sdk","2.logging\u002F6.ai-sdk",[76,79,84,89,94],{"title":41,"path":77,"stem":78,"icon":44},"\u002Flogging\u002Fai-sdk\u002Foverview","2.logging\u002F6.ai-sdk\u002F01.overview",{"title":80,"path":81,"stem":82,"icon":83},"Usage","\u002Flogging\u002Fai-sdk\u002Fusage","2.logging\u002F6.ai-sdk\u002F02.usage","i-lucide-code",{"title":85,"path":86,"stem":87,"icon":88},"Options","\u002Flogging\u002Fai-sdk\u002Foptions","2.logging\u002F6.ai-sdk\u002F03.options","i-lucide-sliders",{"title":90,"path":91,"stem":92,"icon":93},"Metadata","\u002Flogging\u002Fai-sdk\u002Fmetadata","2.logging\u002F6.ai-sdk\u002F04.metadata","i-lucide-database",{"title":95,"path":96,"stem":97,"icon":98},"Telemetry","\u002Flogging\u002Fai-sdk\u002Ftelemetry","2.logging\u002F6.ai-sdk\u002F05.telemetry","i-lucide-activity",{"title":100,"icon":101,"path":102,"stem":103,"children":104,"page":34},"Better Auth","i-simple-icons-betterauth","\u002Flogging\u002Fbetter-auth","2.logging\u002F7.better-auth",[105,108,113,118,122],{"title":41,"path":106,"stem":107,"icon":44},"\u002Flogging\u002Fbetter-auth\u002Foverview","2.logging\u002F7.better-auth\u002F01.overview",{"title":109,"path":110,"stem":111,"icon":112},"Identify User","\u002Flogging\u002Fbetter-auth\u002Fidentify-user","2.logging\u002F7.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":114,"path":115,"stem":116,"icon":117},"Middleware","\u002Flogging\u002Fbetter-auth\u002Fmiddleware","2.logging\u002F7.better-auth\u002F03.middleware","i-lucide-shield",{"title":119,"path":120,"stem":121,"icon":69},"Client Sync","\u002Flogging\u002Fbetter-auth\u002Fclient-sync","2.logging\u002F7.better-auth\u002F04.client-sync",{"title":123,"path":124,"stem":125,"icon":126},"Performance","\u002Flogging\u002Fbetter-auth\u002Fperformance","2.logging\u002F7.better-auth\u002F05.performance","i-lucide-gauge",{"title":128,"icon":129,"path":130,"stem":131,"children":132,"page":34},"Audit Logs","i-lucide-shield-check","\u002Flogging\u002Faudit","2.logging\u002F8.audit",[133,136,141,146,151,155],{"title":41,"path":134,"stem":135,"icon":44},"\u002Flogging\u002Faudit\u002Foverview","2.logging\u002F8.audit\u002F01.overview",{"title":137,"path":138,"stem":139,"icon":140},"Schema","\u002Flogging\u002Faudit\u002Fschema","2.logging\u002F8.audit\u002F02.schema","i-lucide-file-text",{"title":142,"path":143,"stem":144,"icon":145},"Recording","\u002Flogging\u002Faudit\u002Frecording","2.logging\u002F8.audit\u002F03.recording","i-lucide-pen-line",{"title":147,"path":148,"stem":149,"icon":150},"Drains","\u002Flogging\u002Faudit\u002Fpipeline","2.logging\u002F8.audit\u002F04.pipeline","i-lucide-link",{"title":152,"path":153,"stem":154,"icon":129},"Compliance","\u002Flogging\u002Faudit\u002Fcompliance","2.logging\u002F8.audit\u002F05.compliance",{"title":156,"path":157,"stem":158,"icon":64},"Recipes","\u002Flogging\u002Faudit\u002Frecipes","2.logging\u002F8.audit\u002F06.recipes",{"title":160,"path":161,"stem":162,"children":163,"page":34},"Core Concepts","\u002Fcore-concepts","3.core-concepts",[164,169,174,179,184,188,191,196],{"title":165,"path":166,"stem":167,"icon":168},"Lifecycle","\u002Fcore-concepts\u002Flifecycle","3.core-concepts\u002F0.lifecycle","i-lucide-arrow-right-left",{"title":170,"path":171,"stem":172,"icon":173},"Configuration","\u002Fcore-concepts\u002Fconfiguration","3.core-concepts\u002F1.configuration","i-lucide-settings",{"title":175,"path":176,"stem":177,"icon":178},"Sampling","\u002Fcore-concepts\u002Fsampling","3.core-concepts\u002F2.sampling","i-lucide-filter",{"title":180,"path":181,"stem":182,"icon":183},"Typed Fields","\u002Fcore-concepts\u002Ftyped-fields","3.core-concepts\u002F3.typed-fields","i-simple-icons-typescript",{"title":185,"path":186,"stem":187,"icon":129},"Best Practices","\u002Fcore-concepts\u002Fbest-practices","3.core-concepts\u002F4.best-practices",{"title":123,"path":189,"stem":190,"icon":126},"\u002Fcore-concepts\u002Fperformance","3.core-concepts\u002F5.performance",{"title":192,"path":193,"stem":194,"icon":195},"Vite Plugin","\u002Fcore-concepts\u002Fvite-plugin","3.core-concepts\u002F6.vite-plugin","i-custom-vite",{"title":197,"path":198,"stem":199,"icon":200},"Auto-Redaction","\u002Fcore-concepts\u002Fredaction","3.core-concepts\u002F7.redaction","i-lucide-eye-off",{"title":202,"path":203,"stem":204,"children":205,"page":34},"Frameworks","\u002Fframeworks","4.frameworks",[206,210,215,220,225,230,235,240,245,250,255,260,265,270,274,279,284],{"title":41,"path":207,"stem":208,"icon":209},"\u002Fframeworks\u002Foverview","4.frameworks\u002F00.overview","i-lucide-layout-grid",{"title":211,"path":212,"stem":213,"icon":214},"Nuxt","\u002Fframeworks\u002Fnuxt","4.frameworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":216,"path":217,"stem":218,"icon":219},"Next.js","\u002Fframeworks\u002Fnextjs","4.frameworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":221,"path":222,"stem":223,"icon":224},"SvelteKit","\u002Fframeworks\u002Fsveltekit","4.frameworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":226,"path":227,"stem":228,"icon":229},"Nitro","\u002Fframeworks\u002Fnitro","4.frameworks\u002F04.nitro","i-custom-nitro",{"title":231,"path":232,"stem":233,"icon":234},"TanStack Start","\u002Fframeworks\u002Ftanstack-start","4.frameworks\u002F05.tanstack-start","i-custom-tanstack",{"title":236,"path":237,"stem":238,"icon":239},"NestJS","\u002Fframeworks\u002Fnestjs","4.frameworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":241,"path":242,"stem":243,"icon":244},"Express","\u002Fframeworks\u002Fexpress","4.frameworks\u002F07.express","i-simple-icons-express",{"title":246,"path":247,"stem":248,"icon":249},"Hono","\u002Fframeworks\u002Fhono","4.frameworks\u002F08.hono","i-simple-icons-hono",{"title":251,"path":252,"stem":253,"icon":254},"Fastify","\u002Fframeworks\u002Ffastify","4.frameworks\u002F09.fastify","i-simple-icons-fastify",{"title":256,"path":257,"stem":258,"icon":259},"Elysia","\u002Fframeworks\u002Felysia","4.frameworks\u002F10.elysia","i-custom-elysia",{"title":261,"path":262,"stem":263,"icon":264},"React Router","\u002Fframeworks\u002Freact-router","4.frameworks\u002F11.react-router","i-custom-reactrouter",{"title":266,"path":267,"stem":268,"icon":269},"Cloudflare Workers","\u002Fframeworks\u002Fcloudflare-workers","4.frameworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":271,"path":272,"stem":273,"icon":183},"Standalone","\u002Fframeworks\u002Fstandalone","4.frameworks\u002F13.standalone",{"title":275,"path":276,"stem":277,"icon":278},"Astro","\u002Fframeworks\u002Fastro","4.frameworks\u002F14.astro","i-simple-icons-astro",{"title":280,"path":281,"stem":282,"icon":283},"AWS Lambda","\u002Fframeworks\u002Faws-lambda","4.frameworks\u002F16.aws-lambda","i-custom-lambda",{"title":285,"path":286,"stem":287,"icon":288},"Custom Integration","\u002Fframeworks\u002Fcustom-integration","4.frameworks\u002F17.custom-integration","i-lucide-puzzle",{"title":290,"path":291,"stem":292,"children":293,"page":34},"Build on top","\u002Fbuild-on-top","5.build-on-top",[294,297,302,307,312,316,321,326,330,334,338,342,347],{"title":41,"path":295,"stem":296,"icon":54},"\u002Fbuild-on-top\u002Foverview","5.build-on-top\u002F0.overview",{"title":298,"path":299,"stem":300,"icon":301},"In-process stream","\u002Fbuild-on-top\u002Fin-process-stream","5.build-on-top\u002F1.in-process-stream","i-lucide-radio-tower",{"title":303,"path":304,"stem":305,"icon":306},"Fanout","\u002Fbuild-on-top\u002Ffanout-and-multi-drain","5.build-on-top\u002F10.fanout-and-multi-drain","i-lucide-share-2",{"title":308,"path":309,"stem":310,"icon":311},"Identity headers","\u002Fbuild-on-top\u002Fidentity-headers","5.build-on-top\u002F11.identity-headers","i-lucide-fingerprint",{"title":313,"path":314,"stem":315,"icon":288},"Custom framework","\u002Fbuild-on-top\u002Fcustom-framework","5.build-on-top\u002F12.custom-framework",{"title":317,"path":318,"stem":319,"icon":320},"Stream server","\u002Fbuild-on-top\u002Fstream-server","5.build-on-top\u002F2.stream-server","i-lucide-radio",{"title":322,"path":323,"stem":324,"icon":325},"FS reader","\u002Fbuild-on-top\u002Ffs-reader","5.build-on-top\u002F3.fs-reader","i-lucide-folder-search",{"title":156,"path":327,"stem":328,"icon":329},"\u002Fbuild-on-top\u002Fconsumer-recipes","5.build-on-top\u002F4.consumer-recipes","i-lucide-chef-hat",{"title":331,"path":332,"stem":333,"icon":288},"Plugins","\u002Fbuild-on-top\u002Fplugins","5.build-on-top\u002F5.plugins",{"title":335,"path":336,"stem":337,"icon":28},"Custom enrichers","\u002Fbuild-on-top\u002Fcustom-enrichers","5.build-on-top\u002F6.custom-enrichers",{"title":339,"path":340,"stem":341,"icon":178},"Tail sampling","\u002Fbuild-on-top\u002Ftail-sampling","5.build-on-top\u002F7.tail-sampling",{"title":343,"path":344,"stem":345,"icon":346},"Custom drains","\u002Fbuild-on-top\u002Fcustom-drains","5.build-on-top\u002F8.custom-drains","i-lucide-code-2",{"title":348,"path":349,"stem":350,"icon":351},"Drain pipeline","\u002Fbuild-on-top\u002Fdrain-pipeline","5.build-on-top\u002F9.drain-pipeline","i-lucide-workflow",{"title":353,"path":354,"stem":355,"children":356,"page":34},"Adapters","\u002Fadapters","6.adapters",[357,360,400,415],{"title":41,"path":358,"stem":359,"icon":44},"\u002Fadapters\u002Foverview","6.adapters\u002F01.overview",{"title":361,"path":362,"stem":363,"children":364,"page":34},"Cloud destinations","\u002Fadapters\u002Fcloud","6.adapters\u002F02.cloud",[365,370,375,380,385,390,395],{"title":366,"path":367,"stem":368,"icon":369},"Axiom","\u002Fadapters\u002Fcloud\u002Faxiom","6.adapters\u002F02.cloud\u002F01.axiom","i-custom-axiom",{"title":371,"path":372,"stem":373,"icon":374},"OTLP","\u002Fadapters\u002Fcloud\u002Fotlp","6.adapters\u002F02.cloud\u002F02.otlp","i-simple-icons-opentelemetry",{"title":376,"path":377,"stem":378,"icon":379},"PostHog","\u002Fadapters\u002Fcloud\u002Fposthog","6.adapters\u002F02.cloud\u002F03.posthog","i-simple-icons-posthog",{"title":381,"path":382,"stem":383,"icon":384},"Sentry","\u002Fadapters\u002Fcloud\u002Fsentry","6.adapters\u002F02.cloud\u002F04.sentry","i-simple-icons-sentry",{"title":386,"path":387,"stem":388,"icon":389},"Better Stack","\u002Fadapters\u002Fcloud\u002Fbetter-stack","6.adapters\u002F02.cloud\u002F05.better-stack","i-simple-icons-betterstack",{"title":391,"path":392,"stem":393,"icon":394},"Datadog","\u002Fadapters\u002Fcloud\u002Fdatadog","6.adapters\u002F02.cloud\u002F06.datadog","i-simple-icons-datadog",{"title":396,"path":397,"stem":398,"icon":399},"HyperDX","\u002Fadapters\u002Fcloud\u002Fhyperdx","6.adapters\u002F02.cloud\u002F07.hyperdx","i-custom-hyperdx",{"title":401,"path":402,"stem":403,"children":404,"page":34},"Self-hosted","\u002Fadapters\u002Fself-hosted","6.adapters\u002F03.self-hosted",[405,410],{"title":406,"path":407,"stem":408,"icon":409},"File System","\u002Fadapters\u002Fself-hosted\u002Ffs","6.adapters\u002F03.self-hosted\u002F01.fs","i-lucide-hard-drive",{"title":411,"path":412,"stem":413,"icon":414},"NuxtHub","\u002Fadapters\u002Fself-hosted\u002Fnuxthub","6.adapters\u002F03.self-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":416,"path":417,"stem":418,"children":419,"page":34},"Building blocks","\u002Fadapters\u002Fbuilding-blocks","6.adapters\u002F04.building-blocks",[420,424,429,433],{"title":421,"path":422,"stem":423,"icon":351},"Pipeline","\u002Fadapters\u002Fbuilding-blocks\u002Fpipeline","6.adapters\u002F04.building-blocks\u002F01.pipeline",{"title":425,"path":426,"stem":427,"icon":428},"HTTP","\u002Fadapters\u002Fbuilding-blocks\u002Fhttp","6.adapters\u002F04.building-blocks\u002F02.http","i-lucide-globe",{"title":430,"path":431,"stem":432,"icon":83},"Custom Adapters","\u002Fadapters\u002Fbuilding-blocks\u002Fcustom","6.adapters\u002F04.building-blocks\u002F03.custom",{"title":434,"path":435,"stem":436,"icon":437},"Toolkit","\u002Fadapters\u002Fbuilding-blocks\u002Ftoolkit","6.adapters\u002F04.building-blocks\u002F04.toolkit","i-lucide-blocks",{"title":439,"path":440,"stem":441,"children":442,"page":34},"Enrichers","\u002Fenrichers","7.enrichers",[443,446,450],{"title":41,"path":444,"stem":445,"icon":28},"\u002Fenrichers\u002Foverview","7.enrichers\u002F1.overview",{"title":447,"path":448,"stem":449,"icon":288},"Built-in","\u002Fenrichers\u002Fbuilt-in","7.enrichers\u002F2.built-in",{"title":451,"path":452,"stem":453,"icon":83},"Custom","\u002Fenrichers\u002Fcustom","7.enrichers\u002F3.custom",{"id":455,"title":170,"body":456,"description":2469,"extension":2470,"links":2471,"meta":2477,"navigation":2478,"path":171,"seo":2479,"stem":172,"__hash__":2480},"docs\u002F3.core-concepts\u002F1.configuration.md",{"type":457,"value":458,"toc":2453},"minimark",[459,472,482,489,764,991,998,1055,1071,1075,1085,1224,1228,1234,1334,1343,1347,1350,2006,2132,2154,2158,2167,2292,2296,2299,2302,2312,2407,2414,2417,2442,2449],[460,461,462,463,467,468,471],"p",{},"evlog has two configuration surfaces: ",[464,465,466],"strong",{},"global options"," set once at startup, and ",[464,469,470],{},"middleware options"," set per-framework integration. This page documents both.",[473,474,476,477,481],"h2",{"id":475},"global-options-initlogger","Global Options (",[478,479,480],"code",{},"initLogger",")",[460,483,484,485,488],{},"These options apply to all frameworks. Call ",[478,486,487],{},"initLogger()"," once at application startup for standalone frameworks (Hono, Express, Fastify, Elysia, NestJS, SvelteKit, Cloudflare Workers). For Nuxt and Nitro, these are set via module config and passed through automatically.",[490,491,497],"pre",{"className":492,"code":493,"filename":494,"language":495,"meta":496,"style":496},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { initLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\ninitLogger({\n  enabled: true,\n  env: { service: 'my-api', environment: 'production' },\n  pretty: false,\n  silent: false,\n  stringify: true,\n  minLevel: 'info',\n  sampling: { rates: { info: 10 }, keep: [{ status: 400 }] },\n  drain: createAxiomDrain(),\n})\n","src\u002Findex.ts","typescript","",[478,498,499,532,553,560,572,589,630,643,655,667,684,740,755],{"__ignoreMap":496},[500,501,504,508,512,516,519,522,525,529],"span",{"class":502,"line":503},"line",1,[500,505,507],{"class":506},"s7zQu","import",[500,509,511],{"class":510},"sMK4o"," {",[500,513,515],{"class":514},"sTEyZ"," initLogger",[500,517,518],{"class":510}," }",[500,520,521],{"class":506}," from",[500,523,524],{"class":510}," '",[500,526,528],{"class":527},"sfazB","evlog",[500,530,531],{"class":510},"'\n",[500,533,535,537,539,542,544,546,548,551],{"class":502,"line":534},2,[500,536,507],{"class":506},[500,538,511],{"class":510},[500,540,541],{"class":514}," createAxiomDrain",[500,543,518],{"class":510},[500,545,521],{"class":506},[500,547,524],{"class":510},[500,549,550],{"class":527},"evlog\u002Faxiom",[500,552,531],{"class":510},[500,554,556],{"class":502,"line":555},3,[500,557,559],{"emptyLinePlaceholder":558},true,"\n",[500,561,563,566,569],{"class":502,"line":562},4,[500,564,480],{"class":565},"s2Zo4",[500,567,568],{"class":514},"(",[500,570,571],{"class":510},"{\n",[500,573,575,579,582,586],{"class":502,"line":574},5,[500,576,578],{"class":577},"swJcz","  enabled",[500,580,581],{"class":510},":",[500,583,585],{"class":584},"sfNiH"," true",[500,587,588],{"class":510},",\n",[500,590,592,595,597,599,602,604,606,609,612,615,618,620,622,625,627],{"class":502,"line":591},6,[500,593,594],{"class":577},"  env",[500,596,581],{"class":510},[500,598,511],{"class":510},[500,600,601],{"class":577}," service",[500,603,581],{"class":510},[500,605,524],{"class":510},[500,607,608],{"class":527},"my-api",[500,610,611],{"class":510},"'",[500,613,614],{"class":510},",",[500,616,617],{"class":577}," environment",[500,619,581],{"class":510},[500,621,524],{"class":510},[500,623,624],{"class":527},"production",[500,626,611],{"class":510},[500,628,629],{"class":510}," },\n",[500,631,633,636,638,641],{"class":502,"line":632},7,[500,634,635],{"class":577},"  pretty",[500,637,581],{"class":510},[500,639,640],{"class":584}," false",[500,642,588],{"class":510},[500,644,646,649,651,653],{"class":502,"line":645},8,[500,647,648],{"class":577},"  silent",[500,650,581],{"class":510},[500,652,640],{"class":584},[500,654,588],{"class":510},[500,656,658,661,663,665],{"class":502,"line":657},9,[500,659,660],{"class":577},"  stringify",[500,662,581],{"class":510},[500,664,585],{"class":584},[500,666,588],{"class":510},[500,668,670,673,675,677,680,682],{"class":502,"line":669},10,[500,671,672],{"class":577},"  minLevel",[500,674,581],{"class":510},[500,676,524],{"class":510},[500,678,679],{"class":527},"info",[500,681,611],{"class":510},[500,683,588],{"class":510},[500,685,687,690,692,694,697,699,701,704,706,710,713,716,718,721,724,727,729,732,734,737],{"class":502,"line":686},11,[500,688,689],{"class":577},"  sampling",[500,691,581],{"class":510},[500,693,511],{"class":510},[500,695,696],{"class":577}," rates",[500,698,581],{"class":510},[500,700,511],{"class":510},[500,702,703],{"class":577}," info",[500,705,581],{"class":510},[500,707,709],{"class":708},"sbssI"," 10",[500,711,712],{"class":510}," },",[500,714,715],{"class":577}," keep",[500,717,581],{"class":510},[500,719,720],{"class":514}," [",[500,722,723],{"class":510},"{",[500,725,726],{"class":577}," status",[500,728,581],{"class":510},[500,730,731],{"class":708}," 400",[500,733,518],{"class":510},[500,735,736],{"class":514},"] ",[500,738,739],{"class":510},"},\n",[500,741,743,746,748,750,753],{"class":502,"line":742},12,[500,744,745],{"class":577},"  drain",[500,747,581],{"class":510},[500,749,541],{"class":565},[500,751,752],{"class":514},"()",[500,754,588],{"class":510},[500,756,758,761],{"class":502,"line":757},13,[500,759,760],{"class":510},"}",[500,762,763],{"class":514},")\n",[765,766,767,786],"table",{},[768,769,770],"thead",{},[771,772,773,777,780,783],"tr",{},[774,775,776],"th",{},"Option",[774,778,779],{},"Type",[774,781,782],{},"Default",[774,784,785],{},"Description",[787,788,789,814,832,854,872,896,924,947,972],"tbody",{},[771,790,791,797,802,807],{},[792,793,794],"td",{},[478,795,796],{},"enabled",[792,798,799],{},[478,800,801],{},"boolean",[792,803,804],{},[478,805,806],{},"true",[792,808,809,810,813],{},"Enable\u002Fdisable all logging globally. When ",[478,811,812],{},"false",", all operations become no-ops",[771,815,816,821,826,829],{},[792,817,818],{},[478,819,820],{},"env",[792,822,823],{},[478,824,825],{},"Partial\u003CEnvironmentContext>",[792,827,828],{},"Auto-detected",[792,830,831],{},"Environment context overrides (see below)",[771,833,834,839,843,848],{},[792,835,836],{},[478,837,838],{},"pretty",[792,840,841],{},[478,842,801],{},[792,844,845,847],{},[478,846,806],{}," in dev",[792,849,850,851],{},"Pretty print with tree formatting. Auto-detected based on ",[478,852,853],{},"NODE_ENV",[771,855,856,861,865,869],{},[792,857,858],{},[478,859,860],{},"silent",[792,862,863],{},[478,864,801],{},[792,866,867],{},[478,868,812],{},[792,870,871],{},"Suppress console output. Events are still built, sampled, and passed to drains",[771,873,874,879,883,887],{},[792,875,876],{},[478,877,878],{},"stringify",[792,880,881],{},[478,882,801],{},[792,884,885],{},[478,886,806],{},[792,888,889,890,892,893,895],{},"Emit JSON strings when ",[478,891,838],{}," is disabled. Set to ",[478,894,812],{}," for Cloudflare Workers",[771,897,898,903,908,913],{},[792,899,900],{},[478,901,902],{},"minLevel",[792,904,905],{},[478,906,907],{},"'debug' | 'info' | 'warn' | 'error'",[792,909,910],{},[478,911,912],{},"'debug'",[792,914,915,916,919,920,923],{},"Minimum severity for the global ",[478,917,918],{},"log"," API only (not ",[478,921,922],{},"createLogger"," \u002F request wide events). Order: debug \u003C info \u003C warn \u003C error",[771,925,926,931,936,941],{},[792,927,928],{},[478,929,930],{},"sampling",[792,932,933],{},[478,934,935],{},"SamplingConfig",[792,937,938],{},[478,939,940],{},"undefined",[792,942,943,944],{},"Head and tail sampling configuration. See ",[945,946,175],"a",{"href":176},[771,948,949,954,959,964],{},[792,950,951],{},[478,952,953],{},"redact",[792,955,956],{},[478,957,958],{},"boolean | RedactConfig",[792,960,961,963],{},[478,962,806],{}," in production",[792,965,966,967,969,970],{},"Enabled by default in production. ",[478,968,812],{}," to disable. Object for fine-grained control. See ",[945,971,197],{"href":198},[771,973,974,979,984,988],{},[792,975,976],{},[478,977,978],{},"drain",[792,980,981],{},[478,982,983],{},"(ctx: DrainContext) => void",[792,985,986],{},[478,987,940],{},[792,989,990],{},"Drain callback for sending events to external services",[992,993,995,997],"h3",{"id":994},"minlevel-vs-sampling",[478,996,902],{}," vs sampling",[999,1000,1001,1039],"ul",{},[1002,1003,1004,1008,1009,1012,1013,1016,1017,1020,1021,1024,1025,1028,1029,1034,1035,1038],"li",{},[464,1005,1006],{},[478,1007,902],{}," is a ",[464,1010,1011],{},"hard threshold"," on the simple ",[478,1014,1015],{},"log.*"," API: levels below the threshold are never emitted. It does ",[464,1018,1019],{},"not"," apply to wide events from ",[478,1022,1023],{},"useLogger"," \u002F ",[478,1026,1027],{},"createLogger().emit()"," — use ",[464,1030,1031],{},[478,1032,1033],{},"sampling.rates"," (and tail ",[478,1036,1037],{},"keep",") for request volume.",[1002,1040,1041,1044,1045,1047,1048,1051,1052,1054],{},[464,1042,1043],{},"Head sampling"," (",[478,1046,1033],{},") is ",[464,1049,1050],{},"probabilistic"," on what is already allowed by ",[478,1053,902],{}," for simple logs.",[460,1056,1057,1058,1024,1061,1064,1065,1067,1068,1070],{},"Evaluation order for ",[478,1059,1060],{},"log.info",[478,1062,1063],{},"log.debug"," \u002F etc.: ",[478,1066,796],{}," → ",[478,1069,902],{}," → head sampling → output.",[992,1072,1074],{"id":1073},"environment-context","Environment Context",[460,1076,1077,1078,1080,1081,1084],{},"The ",[478,1079,820],{}," option controls the fields included in every log event. Most values are auto-detected from environment variables and ",[478,1082,1083],{},"package.json",".",[765,1086,1087,1101],{},[768,1088,1089],{},[771,1090,1091,1094,1096,1098],{},[774,1092,1093],{},"Field",[774,1095,779],{},[774,1097,782],{},[774,1099,1100],{},"Auto-detected from",[787,1102,1103,1129,1149,1172,1198],{},[771,1104,1105,1110,1115,1120],{},[792,1106,1107],{},[478,1108,1109],{},"service",[792,1111,1112],{},[478,1113,1114],{},"string",[792,1116,1117],{},[478,1118,1119],{},"'app'",[792,1121,1122,1125,1126,1128],{},[478,1123,1124],{},"SERVICE_NAME",", ",[478,1127,1083],{}," name",[771,1130,1131,1136,1140,1145],{},[792,1132,1133],{},[478,1134,1135],{},"environment",[792,1137,1138],{},[478,1139,1114],{},[792,1141,1142],{},[478,1143,1144],{},"'development'",[792,1146,1147],{},[478,1148,853],{},[771,1150,1151,1156,1160,1164],{},[792,1152,1153],{},[478,1154,1155],{},"version",[792,1157,1158],{},[478,1159,1114],{},[792,1161,1162],{},[478,1163,940],{},[792,1165,1166,1125,1169,1171],{},[478,1167,1168],{},"APP_VERSION",[478,1170,1083],{}," version",[771,1173,1174,1179,1183,1187],{},[792,1175,1176],{},[478,1177,1178],{},"commitHash",[792,1180,1181],{},[478,1182,1114],{},[792,1184,1185],{},[478,1186,940],{},[792,1188,1189,1125,1192,1125,1195],{},[478,1190,1191],{},"COMMIT_SHA",[478,1193,1194],{},"GIT_COMMIT",[478,1196,1197],{},"VERCEL_GIT_COMMIT_SHA",[771,1199,1200,1205,1209,1213],{},[792,1201,1202],{},[478,1203,1204],{},"region",[792,1206,1207],{},[478,1208,1114],{},[792,1210,1211],{},[478,1212,940],{},[792,1214,1215,1125,1218,1125,1221],{},[478,1216,1217],{},"FLY_REGION",[478,1219,1220],{},"AWS_REGION",[478,1222,1223],{},"VERCEL_REGION",[992,1225,1227],{"id":1226},"silent-mode","Silent Mode",[460,1229,1230,1231,1233],{},"Use ",[478,1232,860],{}," when your deployment platform captures stdout as its primary log ingestion (GCP Cloud Run, AWS Lambda, Fly.io, Railway, etc.) and you want a drain adapter to control the output format.",[490,1235,1237],{"className":492,"code":1236,"filename":494,"language":495,"meta":496,"style":496},"import { initLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\ninitLogger({\n  silent: process.env.NODE_ENV === 'production',\n  drain: createAxiomDrain(),\n})\n",[478,1238,1239,1257,1275,1279,1287,1316,1328],{"__ignoreMap":496},[500,1240,1241,1243,1245,1247,1249,1251,1253,1255],{"class":502,"line":503},[500,1242,507],{"class":506},[500,1244,511],{"class":510},[500,1246,515],{"class":514},[500,1248,518],{"class":510},[500,1250,521],{"class":506},[500,1252,524],{"class":510},[500,1254,528],{"class":527},[500,1256,531],{"class":510},[500,1258,1259,1261,1263,1265,1267,1269,1271,1273],{"class":502,"line":534},[500,1260,507],{"class":506},[500,1262,511],{"class":510},[500,1264,541],{"class":514},[500,1266,518],{"class":510},[500,1268,521],{"class":506},[500,1270,524],{"class":510},[500,1272,550],{"class":527},[500,1274,531],{"class":510},[500,1276,1277],{"class":502,"line":555},[500,1278,559],{"emptyLinePlaceholder":558},[500,1280,1281,1283,1285],{"class":502,"line":562},[500,1282,480],{"class":565},[500,1284,568],{"class":514},[500,1286,571],{"class":510},[500,1288,1289,1291,1293,1296,1298,1300,1302,1305,1308,1310,1312,1314],{"class":502,"line":574},[500,1290,648],{"class":577},[500,1292,581],{"class":510},[500,1294,1295],{"class":514}," process",[500,1297,1084],{"class":510},[500,1299,820],{"class":514},[500,1301,1084],{"class":510},[500,1303,1304],{"class":514},"NODE_ENV ",[500,1306,1307],{"class":510},"===",[500,1309,524],{"class":510},[500,1311,624],{"class":527},[500,1313,611],{"class":510},[500,1315,588],{"class":510},[500,1317,1318,1320,1322,1324,1326],{"class":502,"line":591},[500,1319,745],{"class":577},[500,1321,581],{"class":510},[500,1323,541],{"class":565},[500,1325,752],{"class":514},[500,1327,588],{"class":510},[500,1329,1330,1332],{"class":502,"line":632},[500,1331,760],{"class":510},[500,1333,763],{"class":514},[1335,1336,1339,1340,1342],"callout",{"color":1337,"icon":1338},"warning","i-lucide-alert-triangle","If ",[478,1341,860],{}," is enabled without a drain, events are built and sampled but never output anywhere. evlog will warn you about this at startup.",[473,1344,1346],{"id":1345},"middleware-options","Middleware Options",[460,1348,1349],{},"These options are passed to the framework middleware\u002Fplugin. They control per-request behavior: which routes to log, how to drain and enrich events, and custom tail sampling logic.",[1351,1352,1353,1653,1847,1944],"code-group",{},[490,1354,1356],{"className":492,"code":1355,"filename":216,"language":495,"meta":496,"style":496},"\u002F\u002F lib\u002Fevlog.ts\nimport { createEvlog } from 'evlog\u002Fnext'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\nexport const { withEvlog, useLogger, log, createError } = createEvlog({\n  service: 'my-app',\n  include: ['\u002Fapi\u002F**'],\n  exclude: ['\u002Fapi\u002Fhealth'],\n  routes: { '\u002Fapi\u002Fauth\u002F**': { service: 'auth' } },\n  drain: createAxiomDrain(),\n  enrich: (ctx) => { ctx.event.region = process.env.FLY_REGION },\n  keep: (ctx) => { if (ctx.duration > 2000) ctx.shouldKeep = true },\n})\n",[478,1357,1358,1364,1384,1402,1406,1446,1462,1483,1503,1538,1550,1596,1647],{"__ignoreMap":496},[500,1359,1360],{"class":502,"line":503},[500,1361,1363],{"class":1362},"sHwdD","\u002F\u002F lib\u002Fevlog.ts\n",[500,1365,1366,1368,1370,1373,1375,1377,1379,1382],{"class":502,"line":534},[500,1367,507],{"class":506},[500,1369,511],{"class":510},[500,1371,1372],{"class":514}," createEvlog",[500,1374,518],{"class":510},[500,1376,521],{"class":506},[500,1378,524],{"class":510},[500,1380,1381],{"class":527},"evlog\u002Fnext",[500,1383,531],{"class":510},[500,1385,1386,1388,1390,1392,1394,1396,1398,1400],{"class":502,"line":555},[500,1387,507],{"class":506},[500,1389,511],{"class":510},[500,1391,541],{"class":514},[500,1393,518],{"class":510},[500,1395,521],{"class":506},[500,1397,524],{"class":510},[500,1399,550],{"class":527},[500,1401,531],{"class":510},[500,1403,1404],{"class":502,"line":562},[500,1405,559],{"emptyLinePlaceholder":558},[500,1407,1408,1411,1415,1417,1420,1422,1425,1427,1430,1432,1435,1437,1440,1442,1444],{"class":502,"line":574},[500,1409,1410],{"class":506},"export",[500,1412,1414],{"class":1413},"spNyl"," const",[500,1416,511],{"class":510},[500,1418,1419],{"class":514}," withEvlog",[500,1421,614],{"class":510},[500,1423,1424],{"class":514}," useLogger",[500,1426,614],{"class":510},[500,1428,1429],{"class":514}," log",[500,1431,614],{"class":510},[500,1433,1434],{"class":514}," createError ",[500,1436,760],{"class":510},[500,1438,1439],{"class":510}," =",[500,1441,1372],{"class":565},[500,1443,568],{"class":514},[500,1445,571],{"class":510},[500,1447,1448,1451,1453,1455,1458,1460],{"class":502,"line":591},[500,1449,1450],{"class":577},"  service",[500,1452,581],{"class":510},[500,1454,524],{"class":510},[500,1456,1457],{"class":527},"my-app",[500,1459,611],{"class":510},[500,1461,588],{"class":510},[500,1463,1464,1467,1469,1471,1473,1476,1478,1481],{"class":502,"line":632},[500,1465,1466],{"class":577},"  include",[500,1468,581],{"class":510},[500,1470,720],{"class":514},[500,1472,611],{"class":510},[500,1474,1475],{"class":527},"\u002Fapi\u002F**",[500,1477,611],{"class":510},[500,1479,1480],{"class":514},"]",[500,1482,588],{"class":510},[500,1484,1485,1488,1490,1492,1494,1497,1499,1501],{"class":502,"line":645},[500,1486,1487],{"class":577},"  exclude",[500,1489,581],{"class":510},[500,1491,720],{"class":514},[500,1493,611],{"class":510},[500,1495,1496],{"class":527},"\u002Fapi\u002Fhealth",[500,1498,611],{"class":510},[500,1500,1480],{"class":514},[500,1502,588],{"class":510},[500,1504,1505,1508,1510,1512,1514,1517,1519,1521,1523,1525,1527,1529,1532,1534,1536],{"class":502,"line":657},[500,1506,1507],{"class":577},"  routes",[500,1509,581],{"class":510},[500,1511,511],{"class":510},[500,1513,524],{"class":510},[500,1515,1516],{"class":577},"\u002Fapi\u002Fauth\u002F**",[500,1518,611],{"class":510},[500,1520,581],{"class":510},[500,1522,511],{"class":510},[500,1524,601],{"class":577},[500,1526,581],{"class":510},[500,1528,524],{"class":510},[500,1530,1531],{"class":527},"auth",[500,1533,611],{"class":510},[500,1535,518],{"class":510},[500,1537,629],{"class":510},[500,1539,1540,1542,1544,1546,1548],{"class":502,"line":669},[500,1541,745],{"class":577},[500,1543,581],{"class":510},[500,1545,541],{"class":565},[500,1547,752],{"class":514},[500,1549,588],{"class":510},[500,1551,1552,1555,1557,1559,1563,1565,1568,1570,1573,1575,1578,1580,1582,1584,1586,1588,1590,1592,1594],{"class":502,"line":686},[500,1553,1554],{"class":565},"  enrich",[500,1556,581],{"class":510},[500,1558,1044],{"class":510},[500,1560,1562],{"class":1561},"sHdIc","ctx",[500,1564,481],{"class":510},[500,1566,1567],{"class":1413}," =>",[500,1569,511],{"class":510},[500,1571,1572],{"class":514}," ctx",[500,1574,1084],{"class":510},[500,1576,1577],{"class":514},"event",[500,1579,1084],{"class":510},[500,1581,1204],{"class":514},[500,1583,1439],{"class":510},[500,1585,1295],{"class":514},[500,1587,1084],{"class":510},[500,1589,820],{"class":514},[500,1591,1084],{"class":510},[500,1593,1217],{"class":514},[500,1595,629],{"class":510},[500,1597,1598,1601,1603,1605,1607,1609,1611,1613,1616,1618,1620,1622,1625,1628,1631,1634,1636,1638,1641,1643,1645],{"class":502,"line":742},[500,1599,1600],{"class":565},"  keep",[500,1602,581],{"class":510},[500,1604,1044],{"class":510},[500,1606,1562],{"class":1561},[500,1608,481],{"class":510},[500,1610,1567],{"class":1413},[500,1612,511],{"class":510},[500,1614,1615],{"class":506}," if",[500,1617,1044],{"class":577},[500,1619,1562],{"class":514},[500,1621,1084],{"class":510},[500,1623,1624],{"class":514},"duration",[500,1626,1627],{"class":510}," >",[500,1629,1630],{"class":708}," 2000",[500,1632,1633],{"class":577},") ",[500,1635,1562],{"class":514},[500,1637,1084],{"class":510},[500,1639,1640],{"class":514},"shouldKeep",[500,1642,1439],{"class":510},[500,1644,585],{"class":584},[500,1646,629],{"class":510},[500,1648,1649,1651],{"class":502,"line":757},[500,1650,760],{"class":510},[500,1652,763],{"class":514},[490,1654,1656],{"className":492,"code":1655,"filename":246,"language":495,"meta":496,"style":496},"app.use(evlog({\n  include: ['\u002Fapi\u002F**'],\n  exclude: ['\u002Fapi\u002Fhealth'],\n  routes: { '\u002Fapi\u002Fauth\u002F**': { service: 'auth' } },\n  drain: createAxiomDrain(),\n  enrich: (ctx) => { ctx.event.region = process.env.FLY_REGION },\n  keep: (ctx) => { if (ctx.duration > 2000) ctx.shouldKeep = true },\n}))\n",[478,1657,1658,1676,1694,1712,1744,1756,1796,1840],{"__ignoreMap":496},[500,1659,1660,1663,1665,1668,1670,1672,1674],{"class":502,"line":503},[500,1661,1662],{"class":514},"app",[500,1664,1084],{"class":510},[500,1666,1667],{"class":565},"use",[500,1669,568],{"class":514},[500,1671,528],{"class":565},[500,1673,568],{"class":514},[500,1675,571],{"class":510},[500,1677,1678,1680,1682,1684,1686,1688,1690,1692],{"class":502,"line":534},[500,1679,1466],{"class":577},[500,1681,581],{"class":510},[500,1683,720],{"class":514},[500,1685,611],{"class":510},[500,1687,1475],{"class":527},[500,1689,611],{"class":510},[500,1691,1480],{"class":514},[500,1693,588],{"class":510},[500,1695,1696,1698,1700,1702,1704,1706,1708,1710],{"class":502,"line":555},[500,1697,1487],{"class":577},[500,1699,581],{"class":510},[500,1701,720],{"class":514},[500,1703,611],{"class":510},[500,1705,1496],{"class":527},[500,1707,611],{"class":510},[500,1709,1480],{"class":514},[500,1711,588],{"class":510},[500,1713,1714,1716,1718,1720,1722,1724,1726,1728,1730,1732,1734,1736,1738,1740,1742],{"class":502,"line":562},[500,1715,1507],{"class":577},[500,1717,581],{"class":510},[500,1719,511],{"class":510},[500,1721,524],{"class":510},[500,1723,1516],{"class":577},[500,1725,611],{"class":510},[500,1727,581],{"class":510},[500,1729,511],{"class":510},[500,1731,601],{"class":577},[500,1733,581],{"class":510},[500,1735,524],{"class":510},[500,1737,1531],{"class":527},[500,1739,611],{"class":510},[500,1741,518],{"class":510},[500,1743,629],{"class":510},[500,1745,1746,1748,1750,1752,1754],{"class":502,"line":574},[500,1747,745],{"class":577},[500,1749,581],{"class":510},[500,1751,541],{"class":565},[500,1753,752],{"class":514},[500,1755,588],{"class":510},[500,1757,1758,1760,1762,1764,1766,1768,1770,1772,1774,1776,1778,1780,1782,1784,1786,1788,1790,1792,1794],{"class":502,"line":591},[500,1759,1554],{"class":565},[500,1761,581],{"class":510},[500,1763,1044],{"class":510},[500,1765,1562],{"class":1561},[500,1767,481],{"class":510},[500,1769,1567],{"class":1413},[500,1771,511],{"class":510},[500,1773,1572],{"class":514},[500,1775,1084],{"class":510},[500,1777,1577],{"class":514},[500,1779,1084],{"class":510},[500,1781,1204],{"class":514},[500,1783,1439],{"class":510},[500,1785,1295],{"class":514},[500,1787,1084],{"class":510},[500,1789,820],{"class":514},[500,1791,1084],{"class":510},[500,1793,1217],{"class":514},[500,1795,629],{"class":510},[500,1797,1798,1800,1802,1804,1806,1808,1810,1812,1814,1816,1818,1820,1822,1824,1826,1828,1830,1832,1834,1836,1838],{"class":502,"line":632},[500,1799,1600],{"class":565},[500,1801,581],{"class":510},[500,1803,1044],{"class":510},[500,1805,1562],{"class":1561},[500,1807,481],{"class":510},[500,1809,1567],{"class":1413},[500,1811,511],{"class":510},[500,1813,1615],{"class":506},[500,1815,1044],{"class":577},[500,1817,1562],{"class":514},[500,1819,1084],{"class":510},[500,1821,1624],{"class":514},[500,1823,1627],{"class":510},[500,1825,1630],{"class":708},[500,1827,1633],{"class":577},[500,1829,1562],{"class":514},[500,1831,1084],{"class":510},[500,1833,1640],{"class":514},[500,1835,1439],{"class":510},[500,1837,585],{"class":584},[500,1839,629],{"class":510},[500,1841,1842,1844],{"class":502,"line":645},[500,1843,760],{"class":510},[500,1845,1846],{"class":514},"))\n",[490,1848,1850],{"className":492,"code":1849,"filename":241,"language":495,"meta":496,"style":496},"app.use(evlog({\n  include: ['\u002Fapi\u002F**'],\n  drain: createAxiomDrain(),\n  enrich: (ctx) => { ctx.event.region = process.env.FLY_REGION },\n}))\n",[478,1851,1852,1868,1886,1898,1938],{"__ignoreMap":496},[500,1853,1854,1856,1858,1860,1862,1864,1866],{"class":502,"line":503},[500,1855,1662],{"class":514},[500,1857,1084],{"class":510},[500,1859,1667],{"class":565},[500,1861,568],{"class":514},[500,1863,528],{"class":565},[500,1865,568],{"class":514},[500,1867,571],{"class":510},[500,1869,1870,1872,1874,1876,1878,1880,1882,1884],{"class":502,"line":534},[500,1871,1466],{"class":577},[500,1873,581],{"class":510},[500,1875,720],{"class":514},[500,1877,611],{"class":510},[500,1879,1475],{"class":527},[500,1881,611],{"class":510},[500,1883,1480],{"class":514},[500,1885,588],{"class":510},[500,1887,1888,1890,1892,1894,1896],{"class":502,"line":555},[500,1889,745],{"class":577},[500,1891,581],{"class":510},[500,1893,541],{"class":565},[500,1895,752],{"class":514},[500,1897,588],{"class":510},[500,1899,1900,1902,1904,1906,1908,1910,1912,1914,1916,1918,1920,1922,1924,1926,1928,1930,1932,1934,1936],{"class":502,"line":562},[500,1901,1554],{"class":565},[500,1903,581],{"class":510},[500,1905,1044],{"class":510},[500,1907,1562],{"class":1561},[500,1909,481],{"class":510},[500,1911,1567],{"class":1413},[500,1913,511],{"class":510},[500,1915,1572],{"class":514},[500,1917,1084],{"class":510},[500,1919,1577],{"class":514},[500,1921,1084],{"class":510},[500,1923,1204],{"class":514},[500,1925,1439],{"class":510},[500,1927,1295],{"class":514},[500,1929,1084],{"class":510},[500,1931,820],{"class":514},[500,1933,1084],{"class":510},[500,1935,1217],{"class":514},[500,1937,629],{"class":510},[500,1939,1940,1942],{"class":502,"line":574},[500,1941,760],{"class":510},[500,1943,1846],{"class":514},[490,1945,1947],{"className":492,"code":1946,"filename":251,"language":495,"meta":496,"style":496},"await app.register(evlog, {\n  include: ['\u002Fapi\u002F**'],\n  drain: createAxiomDrain(),\n})\n",[478,1948,1949,1970,1988,2000],{"__ignoreMap":496},[500,1950,1951,1954,1957,1959,1962,1965,1967],{"class":502,"line":503},[500,1952,1953],{"class":506},"await",[500,1955,1956],{"class":514}," app",[500,1958,1084],{"class":510},[500,1960,1961],{"class":565},"register",[500,1963,1964],{"class":514},"(evlog",[500,1966,614],{"class":510},[500,1968,1969],{"class":510}," {\n",[500,1971,1972,1974,1976,1978,1980,1982,1984,1986],{"class":502,"line":534},[500,1973,1466],{"class":577},[500,1975,581],{"class":510},[500,1977,720],{"class":514},[500,1979,611],{"class":510},[500,1981,1475],{"class":527},[500,1983,611],{"class":510},[500,1985,1480],{"class":514},[500,1987,588],{"class":510},[500,1989,1990,1992,1994,1996,1998],{"class":502,"line":555},[500,1991,745],{"class":577},[500,1993,581],{"class":510},[500,1995,541],{"class":565},[500,1997,752],{"class":514},[500,1999,588],{"class":510},[500,2001,2002,2004],{"class":502,"line":562},[500,2003,760],{"class":510},[500,2005,763],{"class":514},[765,2007,2008,2020],{},[768,2009,2010],{},[771,2011,2012,2014,2016,2018],{},[774,2013,776],{},[774,2015,779],{},[774,2017,782],{},[774,2019,785],{},[787,2021,2022,2041,2059,2078,2095,2114],{},[771,2023,2024,2029,2034,2038],{},[792,2025,2026],{},[478,2027,2028],{},"include",[792,2030,2031],{},[478,2032,2033],{},"string[]",[792,2035,2036],{},[478,2037,940],{},[792,2039,2040],{},"Route glob patterns to log. If not set, all routes are logged",[771,2042,2043,2048,2052,2056],{},[792,2044,2045],{},[478,2046,2047],{},"exclude",[792,2049,2050],{},[478,2051,2033],{},[792,2053,2054],{},[478,2055,940],{},[792,2057,2058],{},"Route patterns to exclude. Exclusions take precedence over inclusions",[771,2060,2061,2066,2071,2075],{},[792,2062,2063],{},[478,2064,2065],{},"routes",[792,2067,2068],{},[478,2069,2070],{},"Record\u003Cstring, { service: string }>",[792,2072,2073],{},[478,2074,940],{},[792,2076,2077],{},"Route-specific service name overrides",[771,2079,2080,2084,2088,2092],{},[792,2081,2082],{},[478,2083,978],{},[792,2085,2086],{},[478,2087,983],{},[792,2089,2090],{},[478,2091,940],{},[792,2093,2094],{},"Drain callback called with every emitted event",[771,2096,2097,2102,2107,2111],{},[792,2098,2099],{},[478,2100,2101],{},"enrich",[792,2103,2104],{},[478,2105,2106],{},"(ctx: EnrichContext) => void",[792,2108,2109],{},[478,2110,940],{},[792,2112,2113],{},"Enrich callback called after emit, before drain",[771,2115,2116,2120,2125,2129],{},[792,2117,2118],{},[478,2119,1037],{},[792,2121,2122],{},[478,2123,2124],{},"(ctx: TailSamplingContext) => void",[792,2126,2127],{},[478,2128,940],{},[792,2130,2131],{},"Custom tail sampling callback",[1335,2133,2134,2137,2138,1125,2141,1125,2144,2147,2148,2150,2151,2153],{"color":679,"icon":13},[464,2135,2136],{},"Nuxt and Nitro"," use module config and Nitro hooks (",[478,2139,2140],{},"evlog:drain",[478,2142,2143],{},"evlog:enrich",[478,2145,2146],{},"evlog:emit:keep",") instead of middleware options. See the ",[945,2149,211],{"href":212}," and ",[945,2152,226],{"href":227}," pages.",[992,2155,2157],{"id":2156},"middleware-drain-vs-global-drain","Middleware drain vs global drain",[460,2159,2160,2161,2163,2164,2166],{},"When a middleware ",[478,2162,978],{}," is set, it takes precedence over the global drain from ",[478,2165,487],{},". If no middleware drain is set, the global drain is used as fallback, with the benefit of receiving the full enriched event with request context (method, path, headers).",[490,2168,2170],{"className":492,"code":2169,"filename":494,"language":495,"meta":496,"style":496},"import { initLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\ninitLogger({\n  env: { service: 'my-api' },\n  drain: createAxiomDrain(), \u002F\u002F fallback: used by singleton log API AND middleware (if no middleware drain)\n})\n\napp.use(evlog({\n  \u002F\u002F no drain here - falls back to globalDrain from initLogger, with full request context\n}))\n",[478,2171,2172,2190,2208,2212,2220,2240,2255,2261,2265,2281,2286],{"__ignoreMap":496},[500,2173,2174,2176,2178,2180,2182,2184,2186,2188],{"class":502,"line":503},[500,2175,507],{"class":506},[500,2177,511],{"class":510},[500,2179,515],{"class":514},[500,2181,518],{"class":510},[500,2183,521],{"class":506},[500,2185,524],{"class":510},[500,2187,528],{"class":527},[500,2189,531],{"class":510},[500,2191,2192,2194,2196,2198,2200,2202,2204,2206],{"class":502,"line":534},[500,2193,507],{"class":506},[500,2195,511],{"class":510},[500,2197,541],{"class":514},[500,2199,518],{"class":510},[500,2201,521],{"class":506},[500,2203,524],{"class":510},[500,2205,550],{"class":527},[500,2207,531],{"class":510},[500,2209,2210],{"class":502,"line":555},[500,2211,559],{"emptyLinePlaceholder":558},[500,2213,2214,2216,2218],{"class":502,"line":562},[500,2215,480],{"class":565},[500,2217,568],{"class":514},[500,2219,571],{"class":510},[500,2221,2222,2224,2226,2228,2230,2232,2234,2236,2238],{"class":502,"line":574},[500,2223,594],{"class":577},[500,2225,581],{"class":510},[500,2227,511],{"class":510},[500,2229,601],{"class":577},[500,2231,581],{"class":510},[500,2233,524],{"class":510},[500,2235,608],{"class":527},[500,2237,611],{"class":510},[500,2239,629],{"class":510},[500,2241,2242,2244,2246,2248,2250,2252],{"class":502,"line":591},[500,2243,745],{"class":577},[500,2245,581],{"class":510},[500,2247,541],{"class":565},[500,2249,752],{"class":514},[500,2251,614],{"class":510},[500,2253,2254],{"class":1362}," \u002F\u002F fallback: used by singleton log API AND middleware (if no middleware drain)\n",[500,2256,2257,2259],{"class":502,"line":632},[500,2258,760],{"class":510},[500,2260,763],{"class":514},[500,2262,2263],{"class":502,"line":645},[500,2264,559],{"emptyLinePlaceholder":558},[500,2266,2267,2269,2271,2273,2275,2277,2279],{"class":502,"line":657},[500,2268,1662],{"class":514},[500,2270,1084],{"class":510},[500,2272,1667],{"class":565},[500,2274,568],{"class":514},[500,2276,528],{"class":565},[500,2278,568],{"class":514},[500,2280,571],{"class":510},[500,2282,2283],{"class":502,"line":669},[500,2284,2285],{"class":1362},"  \u002F\u002F no drain here - falls back to globalDrain from initLogger, with full request context\n",[500,2287,2288,2290],{"class":502,"line":686},[500,2289,760],{"class":510},[500,2291,1846],{"class":514},[473,2293,2295],{"id":2294},"framework-specific-options","Framework-Specific Options",[460,2297,2298],{},"Some frameworks have additional options beyond the shared config:",[992,2300,211],{"id":2301},"nuxt",[460,2303,2304,2305,2308,2309,2311],{},"The Nuxt module accepts all global options and middleware options in ",[478,2306,2307],{},"nuxt.config.ts"," under the ",[478,2310,528],{}," key, plus:",[765,2313,2314,2326],{},[768,2315,2316],{},[771,2317,2318,2320,2322,2324],{},[774,2319,776],{},[774,2321,779],{},[774,2323,782],{},[774,2325,785],{},[787,2327,2328,2346,2364,2383],{},[771,2329,2330,2335,2339,2343],{},[792,2331,2332],{},[478,2333,2334],{},"console",[792,2336,2337],{},[478,2338,801],{},[792,2340,2341],{},[478,2342,806],{},[792,2344,2345],{},"Enable\u002Fdisable browser console output (client-side only)",[771,2347,2348,2353,2357,2361],{},[792,2349,2350],{},[478,2351,2352],{},"transport.enabled",[792,2354,2355],{},[478,2356,801],{},[792,2358,2359],{},[478,2360,812],{},[792,2362,2363],{},"Send client logs to the server via API endpoint",[771,2365,2366,2371,2375,2380],{},[792,2367,2368],{},[478,2369,2370],{},"transport.endpoint",[792,2372,2373],{},[478,2374,1114],{},[792,2376,2377],{},[478,2378,2379],{},"'\u002Fapi\u002F_evlog\u002Fingest'",[792,2381,2382],{},"Custom transport endpoint",[771,2384,2385,2390,2395,2400],{},[792,2386,2387],{},[478,2388,2389],{},"transport.credentials",[792,2391,2392],{},[478,2393,2394],{},"RequestCredentials",[792,2396,2397],{},[478,2398,2399],{},"'same-origin'",[792,2401,2402,2403,2406],{},"Fetch credentials mode (",[478,2404,2405],{},"'include'"," for cross-origin endpoints)",[460,2408,2409,2410,1084],{},"See the full ",[945,2411,2413],{"href":2412},"\u002Fframeworks\u002Fnuxt#configuration","Nuxt configuration",[992,2415,226],{"id":2416},"nitro",[460,2418,2419,2420,1125,2422,1125,2424,1125,2426,1125,2428,1125,2430,1125,2432,2434,2435,2437,2438,2441],{},"The Nitro module accepts ",[478,2421,796],{},[478,2423,820],{},[478,2425,838],{},[478,2427,860],{},[478,2429,930],{},[478,2431,2028],{},[478,2433,2047],{},", and ",[478,2436,2065],{}," in ",[478,2439,2440],{},"nitro.config.ts",". Drain and enrichment are done via Nitro hooks.",[460,2443,2444,2445,1084],{},"See ",[945,2446,2448],{"href":2447},"\u002Fframeworks\u002Fnitro#drain--enrichers","Nitro drain & enrichers",[2450,2451,2452],"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 .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sHdIc, html code.shiki .sHdIc{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#EEFFFF;--shiki-default-font-style:italic;--shiki-dark:#BABED8;--shiki-dark-font-style:italic}",{"title":496,"searchDepth":534,"depth":534,"links":2454},[2455,2462,2465],{"id":475,"depth":534,"text":2456,"children":2457},"Global Options (initLogger)",[2458,2460,2461],{"id":994,"depth":555,"text":2459},"minLevel vs sampling",{"id":1073,"depth":555,"text":1074},{"id":1226,"depth":555,"text":1227},{"id":1345,"depth":534,"text":1346,"children":2463},[2464],{"id":2156,"depth":555,"text":2157},{"id":2294,"depth":534,"text":2295,"children":2466},[2467,2468],{"id":2301,"depth":555,"text":211},{"id":2416,"depth":555,"text":226},"Complete reference for all evlog configuration options including global logger settings, middleware options, environment context, and framework-specific overrides.","md",[2472,2475],{"label":175,"icon":178,"to":176,"color":2473,"variant":2474},"neutral","subtle",{"label":2476,"icon":93,"to":358,"color":2473,"variant":2474},"Drain Adapters",{},{"icon":173},{"title":170,"description":2469},"zQJYXD22Tmkw_b4qCh8Ma2ztDhtu7OXPvcD-6PqFTws",[2482,2484],{"title":165,"path":166,"stem":167,"description":2483,"icon":168,"children":-1},"Understand the full lifecycle of an evlog event, from creation to drain. Covers all three modes (simple logging, wide events, request logging), sampling, enrichment, and delivery.",{"title":175,"path":176,"stem":177,"description":2485,"icon":178,"children":-1},"Control log volume with two-tier sampling. Head sampling drops noise by level, tail sampling rescues critical events based on outcome. Never miss errors, slow requests, or critical paths.",1778340940182]