[{"data":1,"prerenderedAt":2874},["ShallowReactive",2],{"navigation_docs":3,"-learn-lifecycle":581,"-learn-lifecycle-surround":2869},[4,35,85,138,318,458,517,556],{"title":5,"path":6,"stem":7,"children":8,"page":34},"Start","\u002Fstart","1.start",[9,14,19,24,29],{"title":10,"path":11,"stem":12,"icon":13},"Introduction","\u002Fstart\u002Fintroduction","1.start\u002F1.introduction","i-lucide-info",{"title":15,"path":16,"stem":17,"icon":18},"Why start with evlog","\u002Fstart\u002Fwhy-evlog","1.start\u002F2.why-evlog","i-lucide-rocket",{"title":20,"path":21,"stem":22,"icon":23},"Installation","\u002Fstart\u002Finstallation","1.start\u002F3.installation","i-lucide-download",{"title":25,"path":26,"stem":27,"icon":28},"Quick Start","\u002Fstart\u002Fquick-start","1.start\u002F4.quick-start","i-lucide-zap",{"title":30,"path":31,"stem":32,"icon":33},"Choose your logger","\u002Fstart\u002Ftypescript-logging-library","1.start\u002F5.typescript-logging-library","i-lucide-file-code",false,{"title":36,"path":37,"stem":38,"children":39,"page":34},"Learn","\u002Flearn","2.learn",[40,45,50,55,60,65,70,75,80],{"title":41,"path":42,"stem":43,"icon":44},"Overview","\u002Flearn\u002Foverview","2.learn\u002F0.overview","i-lucide-list",{"title":46,"path":47,"stem":48,"icon":49},"Simple Logging","\u002Flearn\u002Fsimple-logging","2.learn\u002F1.simple-logging","i-lucide-terminal",{"title":51,"path":52,"stem":53,"icon":54},"Wide Events","\u002Flearn\u002Fwide-events","2.learn\u002F2.wide-events","i-lucide-layers",{"title":56,"path":57,"stem":58,"icon":59},"Structured Errors","\u002Flearn\u002Fstructured-errors","2.learn\u002F3.structured-errors","i-lucide-shield-alert",{"title":61,"path":62,"stem":63,"icon":64},"Lifecycle","\u002Flearn\u002Flifecycle","2.learn\u002F4.lifecycle","i-lucide-arrow-right-left",{"title":66,"path":67,"stem":68,"icon":69},"Sampling","\u002Flearn\u002Fsampling","2.learn\u002F5.sampling","i-lucide-filter",{"title":71,"path":72,"stem":73,"icon":74},"Auto-Redaction","\u002Flearn\u002Fredaction","2.learn\u002F6.redaction","i-lucide-eye-off",{"title":76,"path":77,"stem":78,"icon":79},"Typed Fields","\u002Flearn\u002Ftyped-fields","2.learn\u002F7.typed-fields","i-simple-icons-typescript",{"title":81,"path":82,"stem":83,"icon":84},"Catalogs","\u002Flearn\u002Fcatalogs","2.learn\u002F8.catalogs","i-lucide-book-open",{"title":86,"path":87,"stem":88,"children":89,"page":34},"CLI","\u002Fcli","3.cli",[90,93,98,103,108,113,118,123,128,133],{"title":41,"path":91,"stem":92,"icon":49},"\u002Fcli\u002Foverview","3.cli\u002F0.overview",{"title":94,"path":95,"stem":96,"icon":97},"init","\u002Fcli\u002Finit","3.cli\u002F1.init","i-lucide-wand-sparkles",{"title":99,"path":100,"stem":101,"icon":102},"map","\u002Fcli\u002Fmap","3.cli\u002F2.map","i-lucide-radar",{"title":104,"path":105,"stem":106,"icon":107},"Rules","\u002Fcli\u002Frules","3.cli\u002F3.rules","i-lucide-list-checks",{"title":109,"path":110,"stem":111,"icon":112},"Scoring","\u002Fcli\u002Fscoring","3.cli\u002F4.scoring","i-lucide-gauge",{"title":114,"path":115,"stem":116,"icon":117},"CI","\u002Fcli\u002Fci","3.cli\u002F5.ci","i-lucide-git-pull-request",{"title":119,"path":120,"stem":121,"icon":122},"doctor","\u002Fcli\u002Fdoctor","3.cli\u002F6.doctor","i-lucide-stethoscope",{"title":124,"path":125,"stem":126,"icon":127},"telemetry","\u002Fcli\u002Ftelemetry","3.cli\u002F7.telemetry","i-lucide-bar-chart-3",{"title":129,"path":130,"stem":131,"icon":132},"agents","\u002Fcli\u002Fagents","3.cli\u002F8.agents","i-lucide-bot",{"title":134,"path":135,"stem":136,"icon":137},"Observability Score","\u002Fcli\u002Fobservability-score","3.cli\u002F9.observability-score","i-lucide-activity",{"title":139,"path":140,"stem":141,"children":142,"page":34},"Integrate","\u002Fintegrate","4.integrate",[143,147,230],{"title":41,"path":144,"stem":145,"icon":146},"\u002Fintegrate\u002Foverview","4.integrate\u002F0.overview","i-lucide-plug",{"title":148,"path":149,"stem":150,"children":151,"page":34},"Adapters","\u002Fintegrate\u002Fadapters","4.integrate\u002Fadapters",[152,155,185,210],{"title":41,"path":153,"stem":154,"icon":44},"\u002Fintegrate\u002Fadapters\u002Foverview","4.integrate\u002Fadapters\u002F01.overview",{"title":156,"path":157,"stem":158,"children":159,"page":34},"Cloud","\u002Fintegrate\u002Fadapters\u002Fcloud","4.integrate\u002Fadapters\u002Fcloud",[160,165,170,175,180],{"title":161,"path":162,"stem":163,"icon":164},"Axiom","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Faxiom","4.integrate\u002Fadapters\u002Fcloud\u002F01.axiom","i-custom-axiom",{"title":166,"path":167,"stem":168,"icon":169},"PostHog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fposthog","4.integrate\u002Fadapters\u002Fcloud\u002F02.posthog","i-simple-icons-posthog",{"title":171,"path":172,"stem":173,"icon":174},"Sentry","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fsentry","4.integrate\u002Fadapters\u002Fcloud\u002F03.sentry","i-simple-icons-sentry",{"title":176,"path":177,"stem":178,"icon":179},"Better Stack","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fbetter-stack","4.integrate\u002Fadapters\u002Fcloud\u002F04.better-stack","i-simple-icons-betterstack",{"title":181,"path":182,"stem":183,"icon":184},"Datadog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fdatadog","4.integrate\u002Fadapters\u002Fcloud\u002F05.datadog","i-simple-icons-datadog",{"title":186,"path":187,"stem":188,"children":189,"page":34},"Cloud or Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fhybrid","4.integrate\u002Fadapters\u002Fhybrid",[190,195,200,205],{"title":191,"path":192,"stem":193,"icon":194},"Grafana Loki","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki","4.integrate\u002Fadapters\u002Fhybrid\u002F01.loki","i-simple-icons-grafana",{"title":196,"path":197,"stem":198,"icon":199},"ClickHouse","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fclickhouse","4.integrate\u002Fadapters\u002Fhybrid\u002F02.clickhouse","i-simple-icons-clickhouse",{"title":201,"path":202,"stem":203,"icon":204},"OTLP","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fotlp","4.integrate\u002Fadapters\u002Fhybrid\u002F03.otlp","i-simple-icons-opentelemetry",{"title":206,"path":207,"stem":208,"icon":209},"HyperDX","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fhyperdx","4.integrate\u002Fadapters\u002Fhybrid\u002F04.hyperdx","i-custom-hyperdx",{"title":211,"path":212,"stem":213,"children":214,"page":34},"Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fself-hosted","4.integrate\u002Fadapters\u002Fself-hosted",[215,220,225],{"title":216,"path":217,"stem":218,"icon":219},"File System","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs","4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs","i-lucide-hard-drive",{"title":221,"path":222,"stem":223,"icon":224},"NuxtHub","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fnuxthub","4.integrate\u002Fadapters\u002Fself-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":226,"path":227,"stem":228,"icon":229},"Memory","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fmemory","4.integrate\u002Fadapters\u002Fself-hosted\u002F03.memory","i-lucide-cpu",{"title":231,"path":232,"stem":233,"children":234,"page":34},"Frameworks","\u002Fintegrate\u002Fframeworks","4.integrate\u002Fframeworks",[235,239,244,249,254,259,264,269,274,279,284,289,294,299,303,308,313],{"title":41,"path":236,"stem":237,"icon":238},"\u002Fintegrate\u002Fframeworks\u002Foverview","4.integrate\u002Fframeworks\u002F00.overview","i-lucide-layout-grid",{"title":240,"path":241,"stem":242,"icon":243},"Nuxt","\u002Fintegrate\u002Fframeworks\u002Fnuxt","4.integrate\u002Fframeworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":245,"path":246,"stem":247,"icon":248},"Next.js","\u002Fintegrate\u002Fframeworks\u002Fnextjs","4.integrate\u002Fframeworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":250,"path":251,"stem":252,"icon":253},"SvelteKit","\u002Fintegrate\u002Fframeworks\u002Fsveltekit","4.integrate\u002Fframeworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":255,"path":256,"stem":257,"icon":258},"Nitro","\u002Fintegrate\u002Fframeworks\u002Fnitro","4.integrate\u002Fframeworks\u002F04.nitro","i-custom-nitro",{"title":260,"path":261,"stem":262,"icon":263},"TanStack Start","\u002Fintegrate\u002Fframeworks\u002Ftanstack-start","4.integrate\u002Fframeworks\u002F05.tanstack-start","i-custom-tanstack",{"title":265,"path":266,"stem":267,"icon":268},"NestJS","\u002Fintegrate\u002Fframeworks\u002Fnestjs","4.integrate\u002Fframeworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":270,"path":271,"stem":272,"icon":273},"Express","\u002Fintegrate\u002Fframeworks\u002Fexpress","4.integrate\u002Fframeworks\u002F07.express","i-simple-icons-express",{"title":275,"path":276,"stem":277,"icon":278},"Hono","\u002Fintegrate\u002Fframeworks\u002Fhono","4.integrate\u002Fframeworks\u002F08.hono","i-simple-icons-hono",{"title":280,"path":281,"stem":282,"icon":283},"Fastify","\u002Fintegrate\u002Fframeworks\u002Ffastify","4.integrate\u002Fframeworks\u002F09.fastify","i-simple-icons-fastify",{"title":285,"path":286,"stem":287,"icon":288},"Elysia","\u002Fintegrate\u002Fframeworks\u002Felysia","4.integrate\u002Fframeworks\u002F10.elysia","i-custom-elysia",{"title":290,"path":291,"stem":292,"icon":293},"React Router","\u002Fintegrate\u002Fframeworks\u002Freact-router","4.integrate\u002Fframeworks\u002F11.react-router","i-custom-reactrouter",{"title":295,"path":296,"stem":297,"icon":298},"Cloudflare Workers","\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers","4.integrate\u002Fframeworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":300,"path":301,"stem":302,"icon":79},"Standalone","\u002Fintegrate\u002Fframeworks\u002Fstandalone","4.integrate\u002Fframeworks\u002F13.standalone",{"title":304,"path":305,"stem":306,"icon":307},"Astro","\u002Fintegrate\u002Fframeworks\u002Fastro","4.integrate\u002Fframeworks\u002F14.astro","i-simple-icons-astro",{"title":309,"path":310,"stem":311,"icon":312},"oRPC","\u002Fintegrate\u002Fframeworks\u002Forpc","4.integrate\u002Fframeworks\u002F15.orpc","i-lucide-network",{"title":314,"path":315,"stem":316,"icon":317},"AWS Lambda","\u002Fintegrate\u002Fframeworks\u002Faws-lambda","4.integrate\u002Fframeworks\u002F16.aws-lambda","i-custom-lambda",{"title":319,"path":320,"stem":321,"children":322,"page":34},"Use Cases","\u002Fuse-cases","5.use-cases",[323,326,331,359,386,418,439,444,449,453],{"title":41,"path":324,"stem":325,"icon":107},"\u002Fuse-cases\u002Foverview","5.use-cases\u002F0.overview",{"title":327,"path":328,"stem":329,"icon":330},"Client Logging","\u002Fuse-cases\u002Fclient-logging","5.use-cases\u002F1.client-logging","i-lucide-monitor",{"title":332,"icon":333,"path":334,"stem":335,"children":336,"page":34},"AI SDK","i-simple-icons-vercel","\u002Fuse-cases\u002Fai-sdk","5.use-cases\u002F2.ai-sdk",[337,340,345,350,355],{"title":41,"path":338,"stem":339,"icon":44},"\u002Fuse-cases\u002Fai-sdk\u002Foverview","5.use-cases\u002F2.ai-sdk\u002F01.overview",{"title":341,"path":342,"stem":343,"icon":344},"Usage","\u002Fuse-cases\u002Fai-sdk\u002Fusage","5.use-cases\u002F2.ai-sdk\u002F02.usage","i-lucide-code",{"title":346,"path":347,"stem":348,"icon":349},"Options","\u002Fuse-cases\u002Fai-sdk\u002Foptions","5.use-cases\u002F2.ai-sdk\u002F03.options","i-lucide-sliders",{"title":351,"path":352,"stem":353,"icon":354},"Metadata","\u002Fuse-cases\u002Fai-sdk\u002Fmetadata","5.use-cases\u002F2.ai-sdk\u002F04.metadata","i-lucide-database",{"title":356,"path":357,"stem":358,"icon":137},"Telemetry","\u002Fuse-cases\u002Fai-sdk\u002Ftelemetry","5.use-cases\u002F2.ai-sdk\u002F05.telemetry",{"title":360,"icon":361,"path":362,"stem":363,"children":364,"page":34},"Better Auth","i-simple-icons-betterauth","\u002Fuse-cases\u002Fbetter-auth","5.use-cases\u002F3.better-auth",[365,368,373,378,382],{"title":41,"path":366,"stem":367,"icon":44},"\u002Fuse-cases\u002Fbetter-auth\u002Foverview","5.use-cases\u002F3.better-auth\u002F01.overview",{"title":369,"path":370,"stem":371,"icon":372},"Identify User","\u002Fuse-cases\u002Fbetter-auth\u002Fidentify-user","5.use-cases\u002F3.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":374,"path":375,"stem":376,"icon":377},"Middleware","\u002Fuse-cases\u002Fbetter-auth\u002Fmiddleware","5.use-cases\u002F3.better-auth\u002F03.middleware","i-lucide-shield",{"title":379,"path":380,"stem":381,"icon":330},"Client Sync","\u002Fuse-cases\u002Fbetter-auth\u002Fclient-sync","5.use-cases\u002F3.better-auth\u002F04.client-sync",{"title":383,"path":384,"stem":385,"icon":112},"Performance","\u002Fuse-cases\u002Fbetter-auth\u002Fperformance","5.use-cases\u002F3.better-auth\u002F05.performance",{"title":387,"icon":388,"path":389,"stem":390,"children":391,"page":34},"Audit Logs","i-lucide-shield-check","\u002Fuse-cases\u002Faudit","5.use-cases\u002F4.audit",[392,395,400,405,410,414],{"title":41,"path":393,"stem":394,"icon":44},"\u002Fuse-cases\u002Faudit\u002Foverview","5.use-cases\u002F4.audit\u002F01.overview",{"title":396,"path":397,"stem":398,"icon":399},"Schema","\u002Fuse-cases\u002Faudit\u002Fschema","5.use-cases\u002F4.audit\u002F02.schema","i-lucide-file-text",{"title":401,"path":402,"stem":403,"icon":404},"Recording","\u002Fuse-cases\u002Faudit\u002Frecording","5.use-cases\u002F4.audit\u002F03.recording","i-lucide-pen-line",{"title":406,"path":407,"stem":408,"icon":409},"Drains","\u002Fuse-cases\u002Faudit\u002Fpipeline","5.use-cases\u002F4.audit\u002F04.pipeline","i-lucide-link",{"title":411,"path":412,"stem":413,"icon":388},"Compliance","\u002Fuse-cases\u002Faudit\u002Fcompliance","5.use-cases\u002F4.audit\u002F05.compliance",{"title":415,"path":416,"stem":417,"icon":84},"Recipes","\u002Fuse-cases\u002Faudit\u002Frecipes","5.use-cases\u002F4.audit\u002F06.recipes",{"title":356,"icon":112,"path":419,"stem":420,"children":421,"page":34},"\u002Fuse-cases\u002Ftelemetry","5.use-cases\u002F4.telemetry",[422,425,430,435],{"title":41,"path":423,"stem":424,"icon":44},"\u002Fuse-cases\u002Ftelemetry\u002Foverview","5.use-cases\u002F4.telemetry\u002F01.overview",{"title":426,"path":427,"stem":428,"icon":429},"Setup","\u002Fuse-cases\u002Ftelemetry\u002Fsetup","5.use-cases\u002F4.telemetry\u002F02.setup","i-lucide-wrench",{"title":431,"path":432,"stem":433,"icon":434},"Ingest","\u002Fuse-cases\u002Ftelemetry\u002Fingest","5.use-cases\u002F4.telemetry\u002F03.ingest","i-lucide-server",{"title":436,"path":437,"stem":438,"icon":84},"Reference","\u002Fuse-cases\u002Ftelemetry\u002Freference","5.use-cases\u002F4.telemetry\u002F04.reference",{"title":440,"path":441,"stem":442,"icon":443},"Enrichers","\u002Fuse-cases\u002Fenrichers","5.use-cases\u002F5.enrichers","i-lucide-sparkles",{"title":445,"path":446,"stem":447,"icon":448},"eve","\u002Fuse-cases\u002Feve","5.use-cases\u002F5.eve","i-custom-eve",{"title":450,"path":451,"stem":452,"icon":434},"Node.js request logging","\u002Fuse-cases\u002Fstructured-logging-nodejs","5.use-cases\u002F6.structured-logging-nodejs",{"title":454,"path":455,"stem":456,"icon":457},"Libraries","\u002Fuse-cases\u002Flibraries","5.use-cases\u002F7.libraries","i-lucide-package",{"title":459,"path":460,"stem":461,"children":462,"page":34},"Extend","\u002Fextend","6.extend",[463,467,472,477,481,486,490,494,498,502,507,512],{"title":41,"path":464,"stem":465,"icon":466},"\u002Fextend\u002Foverview","6.extend\u002F0.overview","i-lucide-blocks",{"title":468,"path":469,"stem":470,"icon":471},"Stream","\u002Fextend\u002Fstream","6.extend\u002F1.stream","i-lucide-radio-tower",{"title":473,"path":474,"stem":475,"icon":476},"Custom framework","\u002Fextend\u002Fcustom-framework","6.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":478,"path":479,"stem":480,"icon":471},"Diagnostics channel","\u002Fextend\u002Fdiagnostics-channel","6.extend\u002F11.diagnostics-channel",{"title":482,"path":483,"stem":484,"icon":485},"FS reader","\u002Fextend\u002Ffs-reader","6.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":415,"path":487,"stem":488,"icon":489},"\u002Fextend\u002Fconsumer-recipes","6.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":491,"path":492,"stem":493,"icon":466},"Plugins","\u002Fextend\u002Fplugins","6.extend\u002F4.plugins",{"title":495,"path":496,"stem":497,"icon":443},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","6.extend\u002F5.custom-enrichers",{"title":499,"path":500,"stem":501,"icon":69},"Tail sampling","\u002Fextend\u002Ftail-sampling","6.extend\u002F6.tail-sampling",{"title":503,"path":504,"stem":505,"icon":506},"Identity headers","\u002Fextend\u002Fidentity-headers","6.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":508,"path":509,"stem":510,"icon":511},"Custom drains","\u002Fextend\u002Fcustom-drains","6.extend\u002F8.custom-drains","i-lucide-share-2",{"title":513,"path":514,"stem":515,"icon":516},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","6.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":436,"path":518,"stem":519,"children":520,"page":34},"\u002Freference","7.reference",[521,525,530,533,538,542,547,551],{"title":41,"path":522,"stem":523,"icon":524},"\u002Freference\u002Foverview","7.reference\u002F0.overview","i-lucide-book-marked",{"title":526,"path":527,"stem":528,"icon":529},"Configuration","\u002Freference\u002Fconfiguration","7.reference\u002F1.configuration","i-lucide-settings",{"title":383,"path":531,"stem":532,"icon":112},"\u002Freference\u002Fperformance","7.reference\u002F2.performance",{"title":534,"path":535,"stem":536,"icon":537},"Vite Plugin","\u002Freference\u002Fvite-plugin","7.reference\u002F3.vite-plugin","i-custom-vite",{"title":539,"path":540,"stem":541,"icon":388},"Best Practices","\u002Freference\u002Fbest-practices","7.reference\u002F4.best-practices",{"title":543,"path":544,"stem":545,"icon":546},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","7.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":548,"path":549,"stem":550,"icon":443},"Agent Skills","\u002Freference\u002Fagent-skills","7.reference\u002F6.agent-skills",{"title":552,"path":553,"stem":554,"icon":555},"Cost","\u002Freference\u002Fcost","7.reference\u002F7.cost","i-lucide-receipt",{"title":557,"path":558,"stem":559,"children":560,"page":34},"Compare","\u002Fcompare","8.compare",[561,565,569,573,577],{"title":562,"path":563,"stem":564,"icon":546},"evlog vs Pino","\u002Fcompare\u002Fpino","8.compare\u002F1.pino",{"title":566,"path":567,"stem":568,"icon":204},"evlog vs OpenTelemetry","\u002Fcompare\u002Fopentelemetry","8.compare\u002F2.opentelemetry",{"title":570,"path":571,"stem":572,"icon":546},"evlog vs LogTape","\u002Fcompare\u002Flogtape","8.compare\u002F3.logtape",{"title":574,"path":575,"stem":576,"icon":546},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","8.compare\u002F4.winston",{"title":578,"path":579,"stem":580,"icon":546},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":582,"title":61,"body":583,"description":2858,"extension":2859,"links":2860,"meta":2865,"navigation":2866,"path":62,"seo":2867,"stem":63,"__hash__":2868},"docs\u002F2.learn\u002F4.lifecycle.md",{"type":584,"value":585,"toc":2836},"minimark",[586,590,593,598,743,781,785,788,793,803,809,918,922,929,998,1004,1008,1014,1229,1235,1239,1242,1282,1285,1292,1304,1412,1418,1550,1560,1564,1567,1574,1643,1666,1669,1673,1679,1930,1933,1940,1943,2023,2179,2186,2193,2203,2286,2293,2297,2362,2366,2373,2484,2488,2494,2527,2537,2541,2548,2596,2806,2810,2832],[587,588,589],"p",{},"evlog events follow a pipeline from creation to delivery. The pipeline differs slightly depending on which logging mode you use, but the core stages (emit, sample, enrich, drain) are shared.",[591,592],"lifecycle-flow",{},[594,595,597],"h2",{"id":596},"follow-an-event-through-each-mode","Follow an event through each mode",[599,600,601,630],"table",{},[602,603,604],"thead",{},[605,606,607,611,618,627],"tr",{},[608,609,610],"th",{},"Stage",[608,612,613,617],{},[614,615,616],"code",{},"log"," (simple)",[608,619,620,623,624],{},[614,621,622],{},"createLogger"," \u002F ",[614,625,626],{},"createRequestLogger",[608,628,629],{},"Framework middleware",[631,632,633,657,681,700,715,730],"tbody",{},[605,634,635,642,645,654],{},[636,637,638],"td",{},[639,640,641],"strong",{},"Create",[636,643,644],{},"Implicit per call",[636,646,647,650,651],{},[614,648,649],{},"createLogger({...})"," or ",[614,652,653],{},"createRequestLogger({...})",[636,655,656],{},"Auto on request start",[605,658,659,664,667,673],{},[636,660,661],{},[639,662,663],{},"Accumulate",[636,665,666],{},"N\u002FA (single call)",[636,668,669,672],{},[614,670,671],{},"log.set()"," multiple times",[636,674,675,677,678],{},[614,676,671],{}," via ",[614,679,680],{},"useLogger(event)",[605,682,683,688,691,697],{},[636,684,685],{},[639,686,687],{},"Emit",[636,689,690],{},"Immediate",[636,692,693,694],{},"Manual ",[614,695,696],{},"log.emit()",[636,698,699],{},"Auto on response end",[605,701,702,707,710,713],{},[636,703,704],{},[639,705,706],{},"Sample",[636,708,709],{},"Head sampling only",[636,711,712],{},"Head + tail sampling",[636,714,712],{},[605,716,717,722,725,727],{},[636,718,719],{},[639,720,721],{},"Enrich",[636,723,724],{},"Via global drain",[636,726,724],{},[636,728,729],{},"Via hooks or callbacks",[605,731,732,737,739,741],{},[636,733,734],{},[639,735,736],{},"Drain",[636,738,724],{},[636,740,724],{},[636,742,729],{},[587,744,745,746,751,752,755,756,623,759,623,762,623,765,768,769,774,775,780],{},"After ",[639,747,748],{},[614,749,750],{},"emit"," (including when sampling returns no output), the request logger is ",[639,753,754],{},"sealed",": later ",[614,757,758],{},"set",[614,760,761],{},"error",[614,763,764],{},"info",[614,766,767],{},"warn"," calls are ignored with a console warning. For background work that needs its own event, use ",[639,770,771],{},[614,772,773],{},"log.fork()"," where your integration supports it. See ",[776,777,779],"a",{"href":778},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[594,782,784],{"id":783},"trace-a-request-step-by-step","Trace a request, step by step",[587,786,787],{},"For framework-managed request logging, every request walks the pipeline above. Each stage is detailed below.",[789,790,792],"h3",{"id":791},"_1-route-filtering","1. Route Filtering",[587,794,795,796,623,799,802],{},"When a request arrives, evlog checks whether the path matches the configured ",[614,797,798],{},"include",[614,800,801],{},"exclude"," patterns. If the route is excluded, no logger is created and the request proceeds without any logging overhead.",[587,804,805,806,808],{},"By default, all routes are logged. Use ",[614,807,798],{}," to restrict logging to specific patterns:",[810,811,817],"pre",{"className":812,"code":813,"filename":814,"language":815,"meta":816,"style":816},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","export default defineNuxtConfig({\n  modules: ['evlog\u002Fnuxt'],\n  evlog: {\n    include: ['\u002Fapi\u002F**'],\n  },\n})\n","nuxt.config.ts","typescript","",[614,818,819,843,871,882,903,909],{"__ignoreMap":816},[820,821,824,828,831,835,839],"span",{"class":822,"line":823},"line",1,[820,825,827],{"class":826},"s7zQu","export",[820,829,830],{"class":826}," default",[820,832,834],{"class":833},"s2Zo4"," defineNuxtConfig",[820,836,838],{"class":837},"sTEyZ","(",[820,840,842],{"class":841},"sMK4o","{\n",[820,844,846,850,853,856,859,863,865,868],{"class":822,"line":845},2,[820,847,849],{"class":848},"swJcz","  modules",[820,851,852],{"class":841},":",[820,854,855],{"class":837}," [",[820,857,858],{"class":841},"'",[820,860,862],{"class":861},"sfazB","evlog\u002Fnuxt",[820,864,858],{"class":841},[820,866,867],{"class":837},"]",[820,869,870],{"class":841},",\n",[820,872,874,877,879],{"class":822,"line":873},3,[820,875,876],{"class":848},"  evlog",[820,878,852],{"class":841},[820,880,881],{"class":841}," {\n",[820,883,885,888,890,892,894,897,899,901],{"class":822,"line":884},4,[820,886,887],{"class":848},"    include",[820,889,852],{"class":841},[820,891,855],{"class":837},[820,893,858],{"class":841},[820,895,896],{"class":861},"\u002Fapi\u002F**",[820,898,858],{"class":841},[820,900,867],{"class":837},[820,902,870],{"class":841},[820,904,906],{"class":822,"line":905},5,[820,907,908],{"class":841},"  },\n",[820,910,912,915],{"class":822,"line":911},6,[820,913,914],{"class":841},"}",[820,916,917],{"class":837},")\n",[789,919,921],{"id":920},"_2-logger-creation","2. Logger Creation",[587,923,924,925,928],{},"For matched routes, evlog creates a ",[614,926,927],{},"RequestLogger"," and attaches it to the request context. The logger is pre-populated with:",[599,930,931,941],{},[602,932,933],{},[605,934,935,938],{},[608,936,937],{},"Field",[608,939,940],{},"Source",[631,942,943,961,971,985],{},[605,944,945,950],{},[636,946,947],{},[614,948,949],{},"method",[636,951,952,953,956,957,960],{},"HTTP method (",[614,954,955],{},"GET",", ",[614,958,959],{},"POST",", ...)",[605,962,963,968],{},[636,964,965],{},[614,966,967],{},"path",[636,969,970],{},"Request path",[605,972,973,978],{},[636,974,975],{},[614,976,977],{},"requestId",[636,979,980,981,984],{},"Auto-generated UUID (or ",[614,982,983],{},"cf-ray"," on Cloudflare)",[605,986,987,992],{},[636,988,989],{},[614,990,991],{},"startTime",[636,993,994,997],{},[614,995,996],{},"Date.now()"," for duration calculation",[587,999,1000,1001,1003],{},"The logger is stored on the event context. ",[614,1002,680],{}," is a shortcut to retrieve it, it doesn't create a new logger.",[789,1005,1007],{"id":1006},"_3-context-accumulation","3. Context Accumulation",[587,1009,1010,1011,1013],{},"During the handler, you call ",[614,1012,671],{}," to attach context. Each call deep-merges into the existing context, so you can call it as many times as needed:",[810,1015,1018],{"className":812,"code":1016,"filename":1017,"language":815,"meta":816,"style":816},"import { useLogger } from 'evlog'\n\nconst log = useLogger(event)\n\nconst user = await getUser(event)\nlog.set({ user: { id: user.id, plan: user.plan } })\n\nconst cart = await getCart(user.id)\nlog.set({ cart: { items: cart.items.length, total: cart.total } })\n","server\u002Fapi\u002Fcheckout.post.ts",[614,1019,1020,1046,1052,1069,1073,1090,1144,1149,1172],{"__ignoreMap":816},[820,1021,1022,1025,1028,1031,1034,1037,1040,1043],{"class":822,"line":823},[820,1023,1024],{"class":826},"import",[820,1026,1027],{"class":841}," {",[820,1029,1030],{"class":837}," useLogger",[820,1032,1033],{"class":841}," }",[820,1035,1036],{"class":826}," from",[820,1038,1039],{"class":841}," '",[820,1041,1042],{"class":861},"evlog",[820,1044,1045],{"class":841},"'\n",[820,1047,1048],{"class":822,"line":845},[820,1049,1051],{"emptyLinePlaceholder":1050},true,"\n",[820,1053,1054,1058,1061,1064,1066],{"class":822,"line":873},[820,1055,1057],{"class":1056},"spNyl","const",[820,1059,1060],{"class":837}," log ",[820,1062,1063],{"class":841},"=",[820,1065,1030],{"class":833},[820,1067,1068],{"class":837},"(event)\n",[820,1070,1071],{"class":822,"line":884},[820,1072,1051],{"emptyLinePlaceholder":1050},[820,1074,1075,1077,1080,1082,1085,1088],{"class":822,"line":905},[820,1076,1057],{"class":1056},[820,1078,1079],{"class":837}," user ",[820,1081,1063],{"class":841},[820,1083,1084],{"class":826}," await",[820,1086,1087],{"class":833}," getUser",[820,1089,1068],{"class":837},[820,1091,1092,1094,1097,1099,1101,1104,1107,1109,1111,1114,1116,1118,1120,1123,1126,1129,1131,1133,1135,1138,1140,1142],{"class":822,"line":911},[820,1093,616],{"class":837},[820,1095,1096],{"class":841},".",[820,1098,758],{"class":833},[820,1100,838],{"class":837},[820,1102,1103],{"class":841},"{",[820,1105,1106],{"class":848}," user",[820,1108,852],{"class":841},[820,1110,1027],{"class":841},[820,1112,1113],{"class":848}," id",[820,1115,852],{"class":841},[820,1117,1106],{"class":837},[820,1119,1096],{"class":841},[820,1121,1122],{"class":837},"id",[820,1124,1125],{"class":841},",",[820,1127,1128],{"class":848}," plan",[820,1130,852],{"class":841},[820,1132,1106],{"class":837},[820,1134,1096],{"class":841},[820,1136,1137],{"class":837},"plan ",[820,1139,914],{"class":841},[820,1141,1033],{"class":841},[820,1143,917],{"class":837},[820,1145,1147],{"class":822,"line":1146},7,[820,1148,1051],{"emptyLinePlaceholder":1050},[820,1150,1152,1154,1157,1159,1161,1164,1167,1169],{"class":822,"line":1151},8,[820,1153,1057],{"class":1056},[820,1155,1156],{"class":837}," cart ",[820,1158,1063],{"class":841},[820,1160,1084],{"class":826},[820,1162,1163],{"class":833}," getCart",[820,1165,1166],{"class":837},"(user",[820,1168,1096],{"class":841},[820,1170,1171],{"class":837},"id)\n",[820,1173,1175,1177,1179,1181,1183,1185,1188,1190,1192,1195,1197,1199,1201,1204,1206,1209,1211,1214,1216,1218,1220,1223,1225,1227],{"class":822,"line":1174},9,[820,1176,616],{"class":837},[820,1178,1096],{"class":841},[820,1180,758],{"class":833},[820,1182,838],{"class":837},[820,1184,1103],{"class":841},[820,1186,1187],{"class":848}," cart",[820,1189,852],{"class":841},[820,1191,1027],{"class":841},[820,1193,1194],{"class":848}," items",[820,1196,852],{"class":841},[820,1198,1187],{"class":837},[820,1200,1096],{"class":841},[820,1202,1203],{"class":837},"items",[820,1205,1096],{"class":841},[820,1207,1208],{"class":837},"length",[820,1210,1125],{"class":841},[820,1212,1213],{"class":848}," total",[820,1215,852],{"class":841},[820,1217,1187],{"class":837},[820,1219,1096],{"class":841},[820,1221,1222],{"class":837},"total ",[820,1224,914],{"class":841},[820,1226,1033],{"class":841},[820,1228,917],{"class":837},[587,1230,1231,1232,1234],{},"If an error is thrown, evlog's ",[614,1233,761],{}," hook captures it automatically and records it on the logger with the status code.",[789,1236,1238],{"id":1237},"_4-request-end","4. Request End",[587,1240,1241],{},"When the response is sent (or an error is thrown), evlog computes:",[1243,1244,1245,1259,1268],"ul",{},[1246,1247,1248,1251,1252,623,1255,1258],"li",{},[639,1249,1250],{},"Status code"," from the response (or from the error's ",[614,1253,1254],{},"status",[614,1256,1257],{},"statusCode",")",[1246,1260,1261,1264,1265],{},[639,1262,1263],{},"Duration"," from ",[614,1266,1267],{},"Date.now() - startTime",[1246,1269,1270,1273,1274,1276,1277,1279,1280],{},[639,1271,1272],{},"Level"," - ",[614,1275,761],{}," if an error was recorded, ",[614,1278,767],{}," if status >= 400, otherwise ",[614,1281,764],{},[587,1283,1284],{},"If an error triggered the emit, the request is marked as already emitted to prevent double-emission in the response hook.",[789,1286,1288,1289,1258],{"id":1287},"_5-tail-sampling-evlogemitkeep","5. Tail Sampling (",[614,1290,1291],{},"evlog:emit:keep",[587,1293,1294,1295,1298,1299,1303],{},"Before the event is sampled, evlog evaluates ",[639,1296,1297],{},"tail sampling"," rules. These run ",[1300,1301,1302],"em",{},"after"," the request completes, so they can inspect the outcome:",[810,1305,1307],{"className":812,"code":1306,"filename":814,"language":815,"meta":816,"style":816},"evlog: {\n  sampling: {\n    keep: [\n      { duration: 1000 },          \u002F\u002F slow requests\n      { status: 400 },             \u002F\u002F client\u002Fserver errors\n      { path: '\u002Fapi\u002Fcritical\u002F**' }, \u002F\u002F critical paths\n    ],\n  },\n}\n",[614,1308,1309,1318,1327,1337,1358,1375,1396,1403,1407],{"__ignoreMap":816},[820,1310,1311,1314,1316],{"class":822,"line":823},[820,1312,1042],{"class":1313},"sBMFI",[820,1315,852],{"class":841},[820,1317,881],{"class":841},[820,1319,1320,1323,1325],{"class":822,"line":845},[820,1321,1322],{"class":1313},"  sampling",[820,1324,852],{"class":841},[820,1326,881],{"class":841},[820,1328,1329,1332,1334],{"class":822,"line":873},[820,1330,1331],{"class":1313},"    keep",[820,1333,852],{"class":841},[820,1335,1336],{"class":848}," [\n",[820,1338,1339,1342,1345,1347,1351,1354],{"class":822,"line":884},[820,1340,1341],{"class":841},"      {",[820,1343,1344],{"class":848}," duration",[820,1346,852],{"class":841},[820,1348,1350],{"class":1349},"sbssI"," 1000",[820,1352,1353],{"class":841}," },",[820,1355,1357],{"class":1356},"sHwdD","          \u002F\u002F slow requests\n",[820,1359,1360,1362,1365,1367,1370,1372],{"class":822,"line":905},[820,1361,1341],{"class":841},[820,1363,1364],{"class":848}," status",[820,1366,852],{"class":841},[820,1368,1369],{"class":1349}," 400",[820,1371,1353],{"class":841},[820,1373,1374],{"class":1356},"             \u002F\u002F client\u002Fserver errors\n",[820,1376,1377,1379,1382,1384,1386,1389,1391,1393],{"class":822,"line":911},[820,1378,1341],{"class":841},[820,1380,1381],{"class":848}," path",[820,1383,852],{"class":841},[820,1385,1039],{"class":841},[820,1387,1388],{"class":861},"\u002Fapi\u002Fcritical\u002F**",[820,1390,858],{"class":841},[820,1392,1353],{"class":841},[820,1394,1395],{"class":1356}," \u002F\u002F critical paths\n",[820,1397,1398,1401],{"class":822,"line":1146},[820,1399,1400],{"class":848},"    ]",[820,1402,870],{"class":841},[820,1404,1405],{"class":822,"line":1151},[820,1406,908],{"class":841},[820,1408,1409],{"class":822,"line":1174},[820,1410,1411],{"class":841},"}\n",[587,1413,1414,1415,1417],{},"The ",[614,1416,1291],{}," hook also fires, letting you force-keep based on custom business logic:",[810,1419,1422],{"className":812,"code":1420,"filename":1421,"language":815,"meta":816,"style":816},"export default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:emit:keep', (ctx) => {\n    if (ctx.context.user?.premium) {\n      ctx.shouldKeep = true\n    }\n  })\n})\n","server\u002Fplugins\u002Fevlog-custom.ts",[614,1423,1424,1448,1485,1515,1532,1537,1544],{"__ignoreMap":816},[820,1425,1426,1428,1430,1433,1435,1437,1441,1443,1446],{"class":822,"line":823},[820,1427,827],{"class":826},[820,1429,830],{"class":826},[820,1431,1432],{"class":833}," defineNitroPlugin",[820,1434,838],{"class":837},[820,1436,838],{"class":841},[820,1438,1440],{"class":1439},"sHdIc","nitroApp",[820,1442,1258],{"class":841},[820,1444,1445],{"class":1056}," =>",[820,1447,881],{"class":841},[820,1449,1450,1453,1455,1458,1460,1463,1465,1467,1469,1471,1473,1476,1479,1481,1483],{"class":822,"line":845},[820,1451,1452],{"class":837},"  nitroApp",[820,1454,1096],{"class":841},[820,1456,1457],{"class":837},"hooks",[820,1459,1096],{"class":841},[820,1461,1462],{"class":833},"hook",[820,1464,838],{"class":848},[820,1466,858],{"class":841},[820,1468,1291],{"class":861},[820,1470,858],{"class":841},[820,1472,1125],{"class":841},[820,1474,1475],{"class":841}," (",[820,1477,1478],{"class":1439},"ctx",[820,1480,1258],{"class":841},[820,1482,1445],{"class":1056},[820,1484,881],{"class":841},[820,1486,1487,1490,1492,1494,1496,1499,1501,1504,1507,1510,1513],{"class":822,"line":873},[820,1488,1489],{"class":826},"    if",[820,1491,1475],{"class":848},[820,1493,1478],{"class":837},[820,1495,1096],{"class":841},[820,1497,1498],{"class":837},"context",[820,1500,1096],{"class":841},[820,1502,1503],{"class":837},"user",[820,1505,1506],{"class":841},"?.",[820,1508,1509],{"class":837},"premium",[820,1511,1512],{"class":848},") ",[820,1514,842],{"class":841},[820,1516,1517,1520,1522,1525,1528],{"class":822,"line":884},[820,1518,1519],{"class":837},"      ctx",[820,1521,1096],{"class":841},[820,1523,1524],{"class":837},"shouldKeep",[820,1526,1527],{"class":841}," =",[820,1529,1531],{"class":1530},"sfNiH"," true\n",[820,1533,1534],{"class":822,"line":905},[820,1535,1536],{"class":841},"    }\n",[820,1538,1539,1542],{"class":822,"line":911},[820,1540,1541],{"class":841},"  }",[820,1543,917],{"class":848},[820,1545,1546,1548],{"class":822,"line":1146},[820,1547,914],{"class":841},[820,1549,917],{"class":837},[587,1551,1552,1553,1556,1557,1096],{},"If any rule or hook sets ",[614,1554,1555],{},"shouldKeep = true",", the event ",[639,1558,1559],{},"bypasses head sampling entirely",[789,1561,1563],{"id":1562},"_6-head-sampling","6. Head Sampling",[587,1565,1566],{},"If the event wasn't force-kept by tail sampling, head sampling applies. This is a random coin flip per log level.",[587,1568,1569,1570,1573],{},"By default, all levels are kept at 100% (no sampling). Configure ",[614,1571,1572],{},"sampling.rates"," to reduce volume in production:",[810,1575,1577],{"className":812,"code":1576,"filename":814,"language":815,"meta":816,"style":816},"evlog: {\n  sampling: {\n    rates: { info: 10, warn: 50, debug: 0 },\n  },\n}\n",[614,1578,1579,1587,1595,1635,1639],{"__ignoreMap":816},[820,1580,1581,1583,1585],{"class":822,"line":823},[820,1582,1042],{"class":1313},[820,1584,852],{"class":841},[820,1586,881],{"class":841},[820,1588,1589,1591,1593],{"class":822,"line":845},[820,1590,1322],{"class":1313},[820,1592,852],{"class":841},[820,1594,881],{"class":841},[820,1596,1597,1600,1602,1604,1607,1609,1612,1614,1617,1619,1622,1624,1627,1629,1632],{"class":822,"line":873},[820,1598,1599],{"class":1313},"    rates",[820,1601,852],{"class":841},[820,1603,1027],{"class":841},[820,1605,1606],{"class":1313}," info",[820,1608,852],{"class":841},[820,1610,1611],{"class":1349}," 10",[820,1613,1125],{"class":841},[820,1615,1616],{"class":1313}," warn",[820,1618,852],{"class":841},[820,1620,1621],{"class":1349}," 50",[820,1623,1125],{"class":841},[820,1625,1626],{"class":1313}," debug",[820,1628,852],{"class":841},[820,1630,1631],{"class":1349}," 0",[820,1633,1634],{"class":841}," },\n",[820,1636,1637],{"class":822,"line":884},[820,1638,908],{"class":841},[820,1640,1641],{"class":822,"line":905},[820,1642,1411],{"class":841},[1243,1644,1645,1651,1657],{},[1246,1646,1647,1650],{},[614,1648,1649],{},"info: 10"," - keep 10% of info-level events",[1246,1652,1653,1656],{},[614,1654,1655],{},"warn: 50"," - keep 50% of warnings",[1246,1658,1659,1661,1662,1665],{},[614,1660,761],{}," defaults to ",[639,1663,1664],{},"100%"," (never sampled out, even if you set a rate)",[587,1667,1668],{},"If the event is sampled out, processing stops entirely: no console output, no enrichment, no drain.",[789,1670,1672],{"id":1671},"_7-emit","7. Emit",[587,1674,1414,1675,1678],{},[614,1676,1677],{},"WideEvent"," object is built from the accumulated context:",[810,1680,1684],{"className":1681,"code":1682,"filename":1677,"language":1683,"meta":816,"style":816},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"timestamp\": \"2026-01-15T10:30:00.000Z\",\n  \"level\": \"info\",\n  \"service\": \"my-app\",\n  \"method\": \"POST\",\n  \"path\": \"\u002Fapi\u002Fcheckout\",\n  \"requestId\": \"abc-123\",\n  \"duration\": 234,\n  \"status\": 200,\n  \"user\": { \"id\": 1, \"plan\": \"pro\" },\n  \"cart\": { \"items\": 3, \"total\": 9999 }\n}\n","json",[614,1685,1686,1690,1713,1732,1752,1770,1789,1808,1824,1839,1883,1925],{"__ignoreMap":816},[820,1687,1688],{"class":822,"line":823},[820,1689,842],{"class":841},[820,1691,1692,1695,1698,1701,1703,1706,1709,1711],{"class":822,"line":845},[820,1693,1694],{"class":841},"  \"",[820,1696,1697],{"class":1056},"timestamp",[820,1699,1700],{"class":841},"\"",[820,1702,852],{"class":841},[820,1704,1705],{"class":841}," \"",[820,1707,1708],{"class":861},"2026-01-15T10:30:00.000Z",[820,1710,1700],{"class":841},[820,1712,870],{"class":841},[820,1714,1715,1717,1720,1722,1724,1726,1728,1730],{"class":822,"line":873},[820,1716,1694],{"class":841},[820,1718,1719],{"class":1056},"level",[820,1721,1700],{"class":841},[820,1723,852],{"class":841},[820,1725,1705],{"class":841},[820,1727,764],{"class":861},[820,1729,1700],{"class":841},[820,1731,870],{"class":841},[820,1733,1734,1736,1739,1741,1743,1745,1748,1750],{"class":822,"line":884},[820,1735,1694],{"class":841},[820,1737,1738],{"class":1056},"service",[820,1740,1700],{"class":841},[820,1742,852],{"class":841},[820,1744,1705],{"class":841},[820,1746,1747],{"class":861},"my-app",[820,1749,1700],{"class":841},[820,1751,870],{"class":841},[820,1753,1754,1756,1758,1760,1762,1764,1766,1768],{"class":822,"line":905},[820,1755,1694],{"class":841},[820,1757,949],{"class":1056},[820,1759,1700],{"class":841},[820,1761,852],{"class":841},[820,1763,1705],{"class":841},[820,1765,959],{"class":861},[820,1767,1700],{"class":841},[820,1769,870],{"class":841},[820,1771,1772,1774,1776,1778,1780,1782,1785,1787],{"class":822,"line":911},[820,1773,1694],{"class":841},[820,1775,967],{"class":1056},[820,1777,1700],{"class":841},[820,1779,852],{"class":841},[820,1781,1705],{"class":841},[820,1783,1784],{"class":861},"\u002Fapi\u002Fcheckout",[820,1786,1700],{"class":841},[820,1788,870],{"class":841},[820,1790,1791,1793,1795,1797,1799,1801,1804,1806],{"class":822,"line":1146},[820,1792,1694],{"class":841},[820,1794,977],{"class":1056},[820,1796,1700],{"class":841},[820,1798,852],{"class":841},[820,1800,1705],{"class":841},[820,1802,1803],{"class":861},"abc-123",[820,1805,1700],{"class":841},[820,1807,870],{"class":841},[820,1809,1810,1812,1815,1817,1819,1822],{"class":822,"line":1151},[820,1811,1694],{"class":841},[820,1813,1814],{"class":1056},"duration",[820,1816,1700],{"class":841},[820,1818,852],{"class":841},[820,1820,1821],{"class":1349}," 234",[820,1823,870],{"class":841},[820,1825,1826,1828,1830,1832,1834,1837],{"class":822,"line":1174},[820,1827,1694],{"class":841},[820,1829,1254],{"class":1056},[820,1831,1700],{"class":841},[820,1833,852],{"class":841},[820,1835,1836],{"class":1349}," 200",[820,1838,870],{"class":841},[820,1840,1842,1844,1846,1848,1850,1852,1854,1856,1858,1860,1863,1865,1867,1870,1872,1874,1876,1879,1881],{"class":822,"line":1841},10,[820,1843,1694],{"class":841},[820,1845,1503],{"class":1056},[820,1847,1700],{"class":841},[820,1849,852],{"class":841},[820,1851,1027],{"class":841},[820,1853,1705],{"class":841},[820,1855,1122],{"class":1313},[820,1857,1700],{"class":841},[820,1859,852],{"class":841},[820,1861,1862],{"class":1349}," 1",[820,1864,1125],{"class":841},[820,1866,1705],{"class":841},[820,1868,1869],{"class":1313},"plan",[820,1871,1700],{"class":841},[820,1873,852],{"class":841},[820,1875,1705],{"class":841},[820,1877,1878],{"class":861},"pro",[820,1880,1700],{"class":841},[820,1882,1634],{"class":841},[820,1884,1886,1888,1891,1893,1895,1897,1899,1901,1903,1905,1908,1910,1912,1915,1917,1919,1922],{"class":822,"line":1885},11,[820,1887,1694],{"class":841},[820,1889,1890],{"class":1056},"cart",[820,1892,1700],{"class":841},[820,1894,852],{"class":841},[820,1896,1027],{"class":841},[820,1898,1705],{"class":841},[820,1900,1203],{"class":1313},[820,1902,1700],{"class":841},[820,1904,852],{"class":841},[820,1906,1907],{"class":1349}," 3",[820,1909,1125],{"class":841},[820,1911,1705],{"class":841},[820,1913,1914],{"class":1313},"total",[820,1916,1700],{"class":841},[820,1918,852],{"class":841},[820,1920,1921],{"class":1349}," 9999",[820,1923,1924],{"class":841}," }\n",[820,1926,1928],{"class":822,"line":1927},12,[820,1929,1411],{"class":841},[587,1931,1932],{},"The event is printed to the console, pretty-formatted in development and as JSON in production. This is the default behavior, no configuration needed.",[789,1934,1936,1937,1258],{"id":1935},"_8-enrich-evlogenrich","8. Enrich (",[614,1938,1939],{},"evlog:enrich",[587,1941,1942],{},"After emission, enrichers add derived context to the event. Built-in enrichers extract data from request headers:",[599,1944,1945,1957],{},[602,1946,1947],{},[605,1948,1949,1952,1955],{},[608,1950,1951],{},"Enricher",[608,1953,1954],{},"Adds",[608,1956,940],{},[631,1958,1959,1976,1990,2007],{},[605,1960,1961,1964,1970],{},[636,1962,1963],{},"User Agent",[636,1965,1966,1969],{},[614,1967,1968],{},"userAgent"," (browser, OS, device)",[636,1971,1972,1975],{},[614,1973,1974],{},"User-Agent"," header",[605,1977,1978,1981,1987],{},[636,1979,1980],{},"Geo",[636,1982,1983,1986],{},[614,1984,1985],{},"geo"," (country, region, city)",[636,1988,1989],{},"Platform headers (Vercel, Cloudflare)",[605,1991,1992,1995,2001],{},[636,1993,1994],{},"Request Size",[636,1996,1997,2000],{},[614,1998,1999],{},"requestSize"," (request\u002Fresponse bytes)",[636,2002,2003,2006],{},[614,2004,2005],{},"Content-Length"," headers",[605,2008,2009,2012,2018],{},[636,2010,2011],{},"Trace Context",[636,2013,2014,2017],{},[614,2015,2016],{},"traceContext"," (traceId, spanId)",[636,2019,2020,1975],{},[614,2021,2022],{},"traceparent",[810,2024,2027],{"className":812,"code":2025,"filename":2026,"language":815,"meta":816,"style":816},"import { createUserAgentEnricher, createGeoEnricher } from 'evlog\u002Fenrichers'\n\nexport default defineNitroPlugin((nitroApp) => {\n  const enrichers = [createUserAgentEnricher(), createGeoEnricher()]\n\n  nitroApp.hooks.hook('evlog:enrich', (ctx) => {\n    for (const enricher of enrichers) enricher(ctx)\n  })\n})\n","server\u002Fplugins\u002Fevlog-enrich.ts",[614,2028,2029,2054,2058,2078,2103,2107,2139,2167,2173],{"__ignoreMap":816},[820,2030,2031,2033,2035,2038,2040,2043,2045,2047,2049,2052],{"class":822,"line":823},[820,2032,1024],{"class":826},[820,2034,1027],{"class":841},[820,2036,2037],{"class":837}," createUserAgentEnricher",[820,2039,1125],{"class":841},[820,2041,2042],{"class":837}," createGeoEnricher",[820,2044,1033],{"class":841},[820,2046,1036],{"class":826},[820,2048,1039],{"class":841},[820,2050,2051],{"class":861},"evlog\u002Fenrichers",[820,2053,1045],{"class":841},[820,2055,2056],{"class":822,"line":845},[820,2057,1051],{"emptyLinePlaceholder":1050},[820,2059,2060,2062,2064,2066,2068,2070,2072,2074,2076],{"class":822,"line":873},[820,2061,827],{"class":826},[820,2063,830],{"class":826},[820,2065,1432],{"class":833},[820,2067,838],{"class":837},[820,2069,838],{"class":841},[820,2071,1440],{"class":1439},[820,2073,1258],{"class":841},[820,2075,1445],{"class":1056},[820,2077,881],{"class":841},[820,2079,2080,2083,2086,2088,2090,2093,2096,2098,2100],{"class":822,"line":884},[820,2081,2082],{"class":1056},"  const",[820,2084,2085],{"class":837}," enrichers",[820,2087,1527],{"class":841},[820,2089,855],{"class":848},[820,2091,2092],{"class":833},"createUserAgentEnricher",[820,2094,2095],{"class":848},"()",[820,2097,1125],{"class":841},[820,2099,2042],{"class":833},[820,2101,2102],{"class":848},"()]\n",[820,2104,2105],{"class":822,"line":905},[820,2106,1051],{"emptyLinePlaceholder":1050},[820,2108,2109,2111,2113,2115,2117,2119,2121,2123,2125,2127,2129,2131,2133,2135,2137],{"class":822,"line":911},[820,2110,1452],{"class":837},[820,2112,1096],{"class":841},[820,2114,1457],{"class":837},[820,2116,1096],{"class":841},[820,2118,1462],{"class":833},[820,2120,838],{"class":848},[820,2122,858],{"class":841},[820,2124,1939],{"class":861},[820,2126,858],{"class":841},[820,2128,1125],{"class":841},[820,2130,1475],{"class":841},[820,2132,1478],{"class":1439},[820,2134,1258],{"class":841},[820,2136,1445],{"class":1056},[820,2138,881],{"class":841},[820,2140,2141,2144,2146,2148,2151,2154,2156,2158,2161,2163,2165],{"class":822,"line":1146},[820,2142,2143],{"class":826},"    for",[820,2145,1475],{"class":848},[820,2147,1057],{"class":1056},[820,2149,2150],{"class":837}," enricher",[820,2152,2153],{"class":841}," of",[820,2155,2085],{"class":837},[820,2157,1512],{"class":848},[820,2159,2160],{"class":833},"enricher",[820,2162,838],{"class":848},[820,2164,1478],{"class":837},[820,2166,917],{"class":848},[820,2168,2169,2171],{"class":822,"line":1151},[820,2170,1541],{"class":841},[820,2172,917],{"class":848},[820,2174,2175,2177],{"class":822,"line":1174},[820,2176,914],{"class":841},[820,2178,917],{"class":837},[587,2180,2181,2182,2185],{},"Enrichers receive the full ",[614,2183,2184],{},"EnrichContext"," with the mutable event, request metadata, safe headers, and response info.",[789,2187,2189,2190,1258],{"id":2188},"_9-drain-evlogdrain","9. Drain (",[614,2191,2192],{},"evlog:drain",[587,2194,2195,2196,2198,2199,2202],{},"The final step sends the enriched event to your observability platform. The ",[614,2197,2192],{}," hook receives a ",[614,2200,2201],{},"DrainContext"," with the complete event:",[810,2204,2207],{"className":812,"code":2205,"filename":2206,"language":815,"meta":816,"style":816},"import { createAxiomDrain } from 'evlog\u002Faxiom'\n\nexport default defineNitroPlugin((nitroApp) => {\n  nitroApp.hooks.hook('evlog:drain', createAxiomDrain())\n})\n","server\u002Fplugins\u002Fevlog-drain.ts",[614,2208,2209,2229,2233,2253,2280],{"__ignoreMap":816},[820,2210,2211,2213,2215,2218,2220,2222,2224,2227],{"class":822,"line":823},[820,2212,1024],{"class":826},[820,2214,1027],{"class":841},[820,2216,2217],{"class":837}," createAxiomDrain",[820,2219,1033],{"class":841},[820,2221,1036],{"class":826},[820,2223,1039],{"class":841},[820,2225,2226],{"class":861},"evlog\u002Faxiom",[820,2228,1045],{"class":841},[820,2230,2231],{"class":822,"line":845},[820,2232,1051],{"emptyLinePlaceholder":1050},[820,2234,2235,2237,2239,2241,2243,2245,2247,2249,2251],{"class":822,"line":873},[820,2236,827],{"class":826},[820,2238,830],{"class":826},[820,2240,1432],{"class":833},[820,2242,838],{"class":837},[820,2244,838],{"class":841},[820,2246,1440],{"class":1439},[820,2248,1258],{"class":841},[820,2250,1445],{"class":1056},[820,2252,881],{"class":841},[820,2254,2255,2257,2259,2261,2263,2265,2267,2269,2271,2273,2275,2277],{"class":822,"line":884},[820,2256,1452],{"class":837},[820,2258,1096],{"class":841},[820,2260,1457],{"class":837},[820,2262,1096],{"class":841},[820,2264,1462],{"class":833},[820,2266,838],{"class":848},[820,2268,858],{"class":841},[820,2270,2192],{"class":861},[820,2272,858],{"class":841},[820,2274,1125],{"class":841},[820,2276,2217],{"class":833},[820,2278,2279],{"class":848},"())\n",[820,2281,2282,2284],{"class":822,"line":905},[820,2283,914],{"class":841},[820,2285,917],{"class":837},[587,2287,2288,2289,2292],{},"On platforms with ",[614,2290,2291],{},"waitUntil"," (Cloudflare Workers, Vercel Edge), the drain runs after the response is sent to avoid adding latency. On traditional servers, the drain is awaited to prevent losing events in serverless cold shutdowns.",[594,2294,2296],{"id":2295},"know-when-each-hook-runs","Know when each hook runs",[599,2298,2299,2315],{},[602,2300,2301],{},[605,2302,2303,2306,2309,2312],{},[608,2304,2305],{},"Order",[608,2307,2308],{},"Hook",[608,2310,2311],{},"When",[608,2313,2314],{},"Purpose",[631,2316,2317,2332,2347],{},[605,2318,2319,2322,2326,2329],{},[636,2320,2321],{},"1",[636,2323,2324],{},[614,2325,1291],{},[636,2327,2328],{},"After request ends, before sampling",[636,2330,2331],{},"Force-keep events based on outcome",[605,2333,2334,2337,2341,2344],{},[636,2335,2336],{},"2",[636,2338,2339],{},[614,2340,1939],{},[636,2342,2343],{},"After emit, before drain",[636,2345,2346],{},"Add derived context to the event",[605,2348,2349,2352,2356,2359],{},[636,2350,2351],{},"3",[636,2353,2354],{},[614,2355,2192],{},[636,2357,2358],{},"After enrichment",[636,2360,2361],{},"Send event to external services",[594,2363,2365],{"id":2364},"see-where-the-error-path-diverges","See where the error path diverges",[587,2367,2368,2369,2372],{},"Both paths converge at the same emit\u002Fenrich\u002Fdrain pipeline. The only difference is ",[1300,2370,2371],{},"when"," the emit is triggered:",[599,2374,2375,2387],{},[602,2376,2377],{},[605,2378,2379,2381,2384],{},[608,2380],{},[608,2382,2383],{},"Success",[608,2385,2386],{},"Error",[631,2388,2389,2409,2427,2443,2464],{},[605,2390,2391,2396,2405],{},[636,2392,2393],{},[639,2394,2395],{},"Trigger",[636,2397,2398,623,2401,2404],{},[614,2399,2400],{},"afterResponse",[614,2402,2403],{},"response"," hook",[636,2406,2407,2404],{},[614,2408,761],{},[605,2410,2411,2415,2423],{},[636,2412,2413],{},[639,2414,1272],{},[636,2416,2417,2419,2420,2422],{},[614,2418,764],{}," (or ",[614,2421,767],{}," if status >= 400)",[636,2424,2425],{},[614,2426,761],{},[605,2428,2429,2434,2437],{},[636,2430,2431],{},[639,2432,2433],{},"Status",[636,2435,2436],{},"From response",[636,2438,2439,2440,2442],{},"From error's ",[614,2441,1254],{}," field (default 500)",[605,2444,2445,2450,2453],{},[636,2446,2447],{},[639,2448,2449],{},"Error context",[636,2451,2452],{},"None",[636,2454,2455,2457,2458,956,2461],{},[614,2456,761],{}," field with message, stack, ",[614,2459,2460],{},"why",[614,2462,2463],{},"fix",[605,2465,2466,2471,2478],{},[636,2467,2468],{},[639,2469,2470],{},"Double-emit guard",[636,2472,2473,2474,2477],{},"Checks ",[614,2475,2476],{},"_evlogEmitted"," flag",[636,2479,2480,2481],{},"Sets ",[614,2482,2483],{},"_evlogEmitted = true",[594,2485,2487],{"id":2486},"follow-a-simple-log-call","Follow a simple log call",[587,2489,2490,2491,2493],{},"When using the ",[614,2492,616],{}," singleton, the pipeline is shorter:",[2495,2496,2497,2509,2514],"ol",{},[1246,2498,2499,2502,2503,650,2506],{},[639,2500,2501],{},"Call",": ",[614,2504,2505],{},"log.info({ action: 'deploy' })",[614,2507,2508],{},"log.info('tag', 'message')",[1246,2510,2511,2513],{},[639,2512,687],{},": The event is built and printed immediately",[1246,2515,2516,2518,2519,2522,2523,2526],{},[639,2517,736],{},": If a global ",[614,2520,2521],{},"drain"," was configured via ",[614,2524,2525],{},"initLogger()",", the event is sent to external services",[587,2528,2529,2530,2532,2533,2536],{},"Tagged logs (",[614,2531,2508],{},") are console-only in pretty mode. Object-form logs (",[614,2534,2535],{},"log.info({ ... })",") always flow through the drain pipeline.",[594,2538,2540],{"id":2539},"follow-a-standalone-wide-event","Follow a standalone wide event",[587,2542,2543,2544,2547],{},"When using ",[614,2545,2546],{},"createLogger()"," outside a framework:",[2495,2549,2550,2557,2573,2581,2589],{},[1246,2551,2552,2502,2554],{},[639,2553,641],{},[614,2555,2556],{},"createLogger({ jobId: 'sync-001' })",[1246,2558,2559,2502,2561,956,2563,956,2566,956,2569,2572],{},[639,2560,663],{},[614,2562,671],{},[614,2564,2565],{},"log.info()",[614,2567,2568],{},"log.warn()",[614,2570,2571],{},"log.error()"," over the operation",[1246,2574,2575,2577,2578,2580],{},[639,2576,687],{},": Manual ",[614,2579,696],{}," call",[1246,2582,2583,2585,2586],{},[639,2584,706],{},": Head sampling applies based on computed level. Tail sampling via ",[614,2587,2588],{},"initLogger({ sampling: { keep: [...] } })",[1246,2590,2591,2518,2593,2595],{},[639,2592,736],{},[614,2594,2521],{}," was configured, the event is sent",[810,2597,2600],{"className":812,"code":2598,"filename":2599,"language":815,"meta":816,"style":816},"import { initLogger, createLogger } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\ninitLogger({\n  env: { service: 'worker' },\n  drain: createAxiomDrain(),\n  sampling: { rates: { info: 10 } },\n})\n\nconst log = createLogger({ task: 'migrate' })\nlog.set({ records: 500, status: 'complete' })\nlog.emit()\n","scripts\u002Fmigrate.ts",[614,2601,2602,2626,2644,2648,2657,2680,2693,2718,2724,2728,2758,2795],{"__ignoreMap":816},[820,2603,2604,2606,2608,2611,2613,2616,2618,2620,2622,2624],{"class":822,"line":823},[820,2605,1024],{"class":826},[820,2607,1027],{"class":841},[820,2609,2610],{"class":837}," initLogger",[820,2612,1125],{"class":841},[820,2614,2615],{"class":837}," createLogger",[820,2617,1033],{"class":841},[820,2619,1036],{"class":826},[820,2621,1039],{"class":841},[820,2623,1042],{"class":861},[820,2625,1045],{"class":841},[820,2627,2628,2630,2632,2634,2636,2638,2640,2642],{"class":822,"line":845},[820,2629,1024],{"class":826},[820,2631,1027],{"class":841},[820,2633,2217],{"class":837},[820,2635,1033],{"class":841},[820,2637,1036],{"class":826},[820,2639,1039],{"class":841},[820,2641,2226],{"class":861},[820,2643,1045],{"class":841},[820,2645,2646],{"class":822,"line":873},[820,2647,1051],{"emptyLinePlaceholder":1050},[820,2649,2650,2653,2655],{"class":822,"line":884},[820,2651,2652],{"class":833},"initLogger",[820,2654,838],{"class":837},[820,2656,842],{"class":841},[820,2658,2659,2662,2664,2666,2669,2671,2673,2676,2678],{"class":822,"line":905},[820,2660,2661],{"class":848},"  env",[820,2663,852],{"class":841},[820,2665,1027],{"class":841},[820,2667,2668],{"class":848}," service",[820,2670,852],{"class":841},[820,2672,1039],{"class":841},[820,2674,2675],{"class":861},"worker",[820,2677,858],{"class":841},[820,2679,1634],{"class":841},[820,2681,2682,2685,2687,2689,2691],{"class":822,"line":911},[820,2683,2684],{"class":848},"  drain",[820,2686,852],{"class":841},[820,2688,2217],{"class":833},[820,2690,2095],{"class":837},[820,2692,870],{"class":841},[820,2694,2695,2697,2699,2701,2704,2706,2708,2710,2712,2714,2716],{"class":822,"line":1146},[820,2696,1322],{"class":848},[820,2698,852],{"class":841},[820,2700,1027],{"class":841},[820,2702,2703],{"class":848}," rates",[820,2705,852],{"class":841},[820,2707,1027],{"class":841},[820,2709,1606],{"class":848},[820,2711,852],{"class":841},[820,2713,1611],{"class":1349},[820,2715,1033],{"class":841},[820,2717,1634],{"class":841},[820,2719,2720,2722],{"class":822,"line":1151},[820,2721,914],{"class":841},[820,2723,917],{"class":837},[820,2725,2726],{"class":822,"line":1174},[820,2727,1051],{"emptyLinePlaceholder":1050},[820,2729,2730,2732,2734,2736,2738,2740,2742,2745,2747,2749,2752,2754,2756],{"class":822,"line":1841},[820,2731,1057],{"class":1056},[820,2733,1060],{"class":837},[820,2735,1063],{"class":841},[820,2737,2615],{"class":833},[820,2739,838],{"class":837},[820,2741,1103],{"class":841},[820,2743,2744],{"class":848}," task",[820,2746,852],{"class":841},[820,2748,1039],{"class":841},[820,2750,2751],{"class":861},"migrate",[820,2753,858],{"class":841},[820,2755,1033],{"class":841},[820,2757,917],{"class":837},[820,2759,2760,2762,2764,2766,2768,2770,2773,2775,2778,2780,2782,2784,2786,2789,2791,2793],{"class":822,"line":1885},[820,2761,616],{"class":837},[820,2763,1096],{"class":841},[820,2765,758],{"class":833},[820,2767,838],{"class":837},[820,2769,1103],{"class":841},[820,2771,2772],{"class":848}," records",[820,2774,852],{"class":841},[820,2776,2777],{"class":1349}," 500",[820,2779,1125],{"class":841},[820,2781,1364],{"class":848},[820,2783,852],{"class":841},[820,2785,1039],{"class":841},[820,2787,2788],{"class":861},"complete",[820,2790,858],{"class":841},[820,2792,1033],{"class":841},[820,2794,917],{"class":837},[820,2796,2797,2799,2801,2803],{"class":822,"line":1927},[820,2798,616],{"class":837},[820,2800,1096],{"class":841},[820,2802,750],{"class":833},[820,2804,2805],{"class":837},"()\n",[594,2807,2809],{"id":2808},"next-steps","Next Steps",[1243,2811,2812,2817,2822,2827],{},[1246,2813,2814,2816],{},[776,2815,51],{"href":52}," - Design effective wide events",[1246,2818,2819,2821],{},[776,2820,66],{"href":67}," - Configure head and tail sampling",[1246,2823,2824,2826],{},[776,2825,148],{"href":153}," - Send events to external platforms",[1246,2828,2829,2831],{},[776,2830,440],{"href":441}," - Add derived context automatically",[2833,2834,2835],"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 .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}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 .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}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 .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}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}",{"title":816,"searchDepth":845,"depth":845,"links":2837},[2838,2839,2853,2854,2855,2856,2857],{"id":596,"depth":845,"text":597},{"id":783,"depth":845,"text":784,"children":2840},[2841,2842,2843,2844,2845,2847,2848,2849,2851],{"id":791,"depth":873,"text":792},{"id":920,"depth":873,"text":921},{"id":1006,"depth":873,"text":1007},{"id":1237,"depth":873,"text":1238},{"id":1287,"depth":873,"text":2846},"5. Tail Sampling (evlog:emit:keep)",{"id":1562,"depth":873,"text":1563},{"id":1671,"depth":873,"text":1672},{"id":1935,"depth":873,"text":2850},"8. Enrich (evlog:enrich)",{"id":2188,"depth":873,"text":2852},"9. Drain (evlog:drain)",{"id":2295,"depth":845,"text":2296},{"id":2364,"depth":845,"text":2365},{"id":2486,"depth":845,"text":2487},{"id":2539,"depth":845,"text":2540},{"id":2808,"depth":845,"text":2809},"An evlog event from creation to drain, across all three modes, through sampling, enrichment, and delivery.","md",[2861,2864],{"label":51,"icon":54,"to":52,"color":2862,"variant":2863},"neutral","subtle",{"label":66,"icon":69,"to":67,"color":2862,"variant":2863},{},{"icon":64},{"title":61,"description":2858},"E-5690AyMvctJHHUWGNKRZ10Q9Xw-WkuYhGJ_6ll8LM",[2870,2872],{"title":56,"path":57,"stem":58,"description":2871,"icon":59,"children":-1},"Create errors that explain why they occurred and how to fix them. Add actionable context with why, fix, and link fields for humans and AI agents.",{"title":66,"path":67,"stem":68,"description":2873,"icon":69,"children":-1},"Two-tier sampling: head sampling drops noise by level, and tail sampling keeps an event once its outcome is known.",1789074375519]