[{"data":1,"prerenderedAt":3243},["ShallowReactive",2],{"navigation_docs":3,"-integrate-frameworks-fastify":612,"-integrate-frameworks-fastify-surround":3238},[4,35,85,138,318,453,489,548,587],{"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],{"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,"children":457,"page":34},"Libraries","\u002Flibraries","6.libraries",[458,462,467,470,474,479,484],{"title":41,"path":459,"stem":460,"icon":461},"\u002Flibraries\u002Foverview","6.libraries\u002F0.overview","i-lucide-package",{"title":463,"path":464,"stem":465,"icon":466},"Emitting Events","\u002Flibraries\u002Femitting","6.libraries\u002F1.emitting","i-lucide-radio",{"title":56,"path":468,"stem":469,"icon":59},"\u002Flibraries\u002Ferrors","6.libraries\u002F2.errors",{"title":471,"path":472,"stem":473,"icon":132},"Errors Agents Can Act On","\u002Flibraries\u002Fagents","6.libraries\u002F3.agents",{"title":475,"path":476,"stem":477,"icon":478},"Exporting the Catalog","\u002Flibraries\u002Fexporting","6.libraries\u002F4.exporting","i-lucide-file-output",{"title":480,"path":481,"stem":482,"icon":483},"Migrating","\u002Flibraries\u002Fmigrating","6.libraries\u002F5.migrating","i-lucide-route",{"title":485,"path":486,"stem":487,"icon":488},"Testing","\u002Flibraries\u002Ftesting","6.libraries\u002F6.testing","i-lucide-flask-conical",{"title":490,"path":491,"stem":492,"children":493,"page":34},"Extend","\u002Fextend","7.extend",[494,498,503,508,512,517,521,525,529,533,538,543],{"title":41,"path":495,"stem":496,"icon":497},"\u002Fextend\u002Foverview","7.extend\u002F0.overview","i-lucide-blocks",{"title":499,"path":500,"stem":501,"icon":502},"Stream","\u002Fextend\u002Fstream","7.extend\u002F1.stream","i-lucide-radio-tower",{"title":504,"path":505,"stem":506,"icon":507},"Custom framework","\u002Fextend\u002Fcustom-framework","7.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":509,"path":510,"stem":511,"icon":502},"Diagnostics channel","\u002Fextend\u002Fdiagnostics-channel","7.extend\u002F11.diagnostics-channel",{"title":513,"path":514,"stem":515,"icon":516},"FS reader","\u002Fextend\u002Ffs-reader","7.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":415,"path":518,"stem":519,"icon":520},"\u002Fextend\u002Fconsumer-recipes","7.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":522,"path":523,"stem":524,"icon":497},"Plugins","\u002Fextend\u002Fplugins","7.extend\u002F4.plugins",{"title":526,"path":527,"stem":528,"icon":443},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","7.extend\u002F5.custom-enrichers",{"title":530,"path":531,"stem":532,"icon":69},"Tail sampling","\u002Fextend\u002Ftail-sampling","7.extend\u002F6.tail-sampling",{"title":534,"path":535,"stem":536,"icon":537},"Identity headers","\u002Fextend\u002Fidentity-headers","7.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":539,"path":540,"stem":541,"icon":542},"Custom drains","\u002Fextend\u002Fcustom-drains","7.extend\u002F8.custom-drains","i-lucide-share-2",{"title":544,"path":545,"stem":546,"icon":547},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","7.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":436,"path":549,"stem":550,"children":551,"page":34},"\u002Freference","8.reference",[552,556,561,564,569,573,578,582],{"title":41,"path":553,"stem":554,"icon":555},"\u002Freference\u002Foverview","8.reference\u002F0.overview","i-lucide-book-marked",{"title":557,"path":558,"stem":559,"icon":560},"Configuration","\u002Freference\u002Fconfiguration","8.reference\u002F1.configuration","i-lucide-settings",{"title":383,"path":562,"stem":563,"icon":112},"\u002Freference\u002Fperformance","8.reference\u002F2.performance",{"title":565,"path":566,"stem":567,"icon":568},"Vite Plugin","\u002Freference\u002Fvite-plugin","8.reference\u002F3.vite-plugin","i-custom-vite",{"title":570,"path":571,"stem":572,"icon":388},"Best Practices","\u002Freference\u002Fbest-practices","8.reference\u002F4.best-practices",{"title":574,"path":575,"stem":576,"icon":577},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","8.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":579,"path":580,"stem":581,"icon":443},"Agent Skills","\u002Freference\u002Fagent-skills","8.reference\u002F6.agent-skills",{"title":583,"path":584,"stem":585,"icon":586},"Cost","\u002Freference\u002Fcost","8.reference\u002F7.cost","i-lucide-receipt",{"title":588,"path":589,"stem":590,"children":591,"page":34},"Compare","\u002Fcompare","9.compare",[592,596,600,604,608],{"title":593,"path":594,"stem":595,"icon":577},"evlog vs Pino","\u002Fcompare\u002Fpino","9.compare\u002F1.pino",{"title":597,"path":598,"stem":599,"icon":204},"evlog vs OpenTelemetry","\u002Fcompare\u002Fopentelemetry","9.compare\u002F2.opentelemetry",{"title":601,"path":602,"stem":603,"icon":577},"evlog vs LogTape","\u002Fcompare\u002Flogtape","9.compare\u002F3.logtape",{"title":605,"path":606,"stem":607,"icon":577},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","9.compare\u002F4.winston",{"title":609,"path":610,"stem":611,"icon":577},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","9.compare\u002F5.consola",{"id":613,"title":280,"body":614,"description":3228,"extension":3229,"links":3230,"meta":3234,"navigation":3235,"path":281,"seo":3236,"stem":282,"__hash__":3237},"docs\u002F4.integrate\u002Fframeworks\u002F09.fastify.md",{"type":615,"value":616,"toc":3209},"minimark",[617,634,681,685,690,770,774,1110,1134,1143,1146,1149,1451,1454,1518,1521,1527,1710,1828,1843,1850,1865,2038,2042,2063,2386,2389,2436,2439,2449,2453,2456,2623,2627,2634,2827,2838,2842,2848,2952,2956,2966,3109,3113,3154,3162,3172,3176,3205],[618,619,620,621,625,626,629,630,633],"p",{},"The ",[622,623,624],"code",{},"evlog\u002Ffastify"," plugin auto-creates a request-scoped logger accessible via ",[622,627,628],{},"request.log"," and ",[622,631,632],{},"useLogger()",", emitting a wide event when the response completes.",[635,636,639,642,667],"prompt",{":actions":637,"description":638,"icon":283},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my Fastify app",[618,640,641],{},"Set up evlog in my Fastify app.",[643,644,645,649,652,655,658,661,664],"ul",{},[646,647,648],"li",{},"Install evlog: pnpm add evlog",[646,650,651],{},"Call initLogger({ env: { service: 'my-api' } }) at startup",[646,653,654],{},"Alternatively, use evlog\u002Fvite plugin in vite.config.ts for auto-init (replaces initLogger)",[646,656,657],{},"Import evlog from 'evlog\u002Ffastify' and register with app.register(evlog)",[646,659,660],{},"Access the logger via request.log in route handlers or useLogger() anywhere",[646,662,663],{},"Use log.set() to accumulate context throughout the request",[646,665,666],{},"Optionally pass drain, enrich, include, and keep options when registering",[618,668,669,670,676,677],{},"Docs: ",[671,672,673],"a",{"href":673,"rel":674},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Ffastify",[675],"nofollow","\nAdapters: ",[671,678,679],{"href":679,"rel":680},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[675],[682,683,25],"h2",{"id":684},"quick-start",[686,687,689],"h3",{"id":688},"_1-install","1. Install",[691,692,693,721,737,753],"code-group",{},[694,695,701],"pre",{"className":696,"code":697,"filename":698,"language":699,"meta":700,"style":700},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog fastify\n","pnpm","bash","",[622,702,703],{"__ignoreMap":700},[704,705,708,711,715,718],"span",{"class":706,"line":707},"line",1,[704,709,698],{"class":710},"sBMFI",[704,712,714],{"class":713},"sfazB"," add",[704,716,717],{"class":713}," evlog",[704,719,720],{"class":713}," fastify\n",[694,722,725],{"className":696,"code":723,"filename":724,"language":699,"meta":700,"style":700},"bun add evlog fastify\n","bun",[622,726,727],{"__ignoreMap":700},[704,728,729,731,733,735],{"class":706,"line":707},[704,730,724],{"class":710},[704,732,714],{"class":713},[704,734,717],{"class":713},[704,736,720],{"class":713},[694,738,741],{"className":696,"code":739,"filename":740,"language":699,"meta":700,"style":700},"yarn add evlog fastify\n","yarn",[622,742,743],{"__ignoreMap":700},[704,744,745,747,749,751],{"class":706,"line":707},[704,746,740],{"class":710},[704,748,714],{"class":713},[704,750,717],{"class":713},[704,752,720],{"class":713},[694,754,757],{"className":696,"code":755,"filename":756,"language":699,"meta":700,"style":700},"npm install evlog fastify\n","npm",[622,758,759],{"__ignoreMap":700},[704,760,761,763,766,768],{"class":706,"line":707},[704,762,756],{"class":710},[704,764,765],{"class":713}," install",[704,767,717],{"class":713},[704,769,720],{"class":713},[686,771,773],{"id":772},"_2-initialize-and-register-the-plugin","2. Initialize and register the plugin",[694,775,780],{"className":776,"code":777,"filename":778,"language":779,"meta":700,"style":700},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import Fastify from 'fastify'\nimport { initLogger } from 'evlog'\nimport { evlog } from 'evlog\u002Ffastify'\n\ninitLogger({\n  env: { service: 'my-api' },\n})\n\nconst app = Fastify({ logger: false })\n\nawait app.register(evlog)\n\napp.get('\u002Fhealth', async (request) => {\n  request.log.set({ route: 'health' })\n  return { ok: true }\n})\n\nawait app.listen({ port: 3000 })\n","src\u002Findex.ts","typescript",[622,781,782,805,829,848,855,868,896,905,910,944,949,967,972,1014,1050,1069,1076,1081],{"__ignoreMap":700},[704,783,784,788,792,795,799,802],{"class":706,"line":707},[704,785,787],{"class":786},"s7zQu","import",[704,789,791],{"class":790},"sTEyZ"," Fastify ",[704,793,794],{"class":786},"from",[704,796,798],{"class":797},"sMK4o"," '",[704,800,801],{"class":713},"fastify",[704,803,804],{"class":797},"'\n",[704,806,808,810,813,816,819,822,824,827],{"class":706,"line":807},2,[704,809,787],{"class":786},[704,811,812],{"class":797}," {",[704,814,815],{"class":790}," initLogger",[704,817,818],{"class":797}," }",[704,820,821],{"class":786}," from",[704,823,798],{"class":797},[704,825,826],{"class":713},"evlog",[704,828,804],{"class":797},[704,830,832,834,836,838,840,842,844,846],{"class":706,"line":831},3,[704,833,787],{"class":786},[704,835,812],{"class":797},[704,837,717],{"class":790},[704,839,818],{"class":797},[704,841,821],{"class":786},[704,843,798],{"class":797},[704,845,624],{"class":713},[704,847,804],{"class":797},[704,849,851],{"class":706,"line":850},4,[704,852,854],{"emptyLinePlaceholder":853},true,"\n",[704,856,858,862,865],{"class":706,"line":857},5,[704,859,861],{"class":860},"s2Zo4","initLogger",[704,863,864],{"class":790},"(",[704,866,867],{"class":797},"{\n",[704,869,871,875,878,880,883,885,887,890,893],{"class":706,"line":870},6,[704,872,874],{"class":873},"swJcz","  env",[704,876,877],{"class":797},":",[704,879,812],{"class":797},[704,881,882],{"class":873}," service",[704,884,877],{"class":797},[704,886,798],{"class":797},[704,888,889],{"class":713},"my-api",[704,891,892],{"class":797},"'",[704,894,895],{"class":797}," },\n",[704,897,899,902],{"class":706,"line":898},7,[704,900,901],{"class":797},"}",[704,903,904],{"class":790},")\n",[704,906,908],{"class":706,"line":907},8,[704,909,854],{"emptyLinePlaceholder":853},[704,911,913,917,920,923,926,928,931,934,936,940,942],{"class":706,"line":912},9,[704,914,916],{"class":915},"spNyl","const",[704,918,919],{"class":790}," app ",[704,921,922],{"class":797},"=",[704,924,925],{"class":860}," Fastify",[704,927,864],{"class":790},[704,929,930],{"class":797},"{",[704,932,933],{"class":873}," logger",[704,935,877],{"class":797},[704,937,939],{"class":938},"sfNiH"," false",[704,941,818],{"class":797},[704,943,904],{"class":790},[704,945,947],{"class":706,"line":946},10,[704,948,854],{"emptyLinePlaceholder":853},[704,950,952,955,958,961,964],{"class":706,"line":951},11,[704,953,954],{"class":786},"await",[704,956,957],{"class":790}," app",[704,959,960],{"class":797},".",[704,962,963],{"class":860},"register",[704,965,966],{"class":790},"(evlog)\n",[704,968,970],{"class":706,"line":969},12,[704,971,854],{"emptyLinePlaceholder":853},[704,973,975,978,980,983,985,987,990,992,995,998,1001,1005,1008,1011],{"class":706,"line":974},13,[704,976,977],{"class":790},"app",[704,979,960],{"class":797},[704,981,982],{"class":860},"get",[704,984,864],{"class":790},[704,986,892],{"class":797},[704,988,989],{"class":713},"\u002Fhealth",[704,991,892],{"class":797},[704,993,994],{"class":797},",",[704,996,997],{"class":915}," async",[704,999,1000],{"class":797}," (",[704,1002,1004],{"class":1003},"sHdIc","request",[704,1006,1007],{"class":797},")",[704,1009,1010],{"class":915}," =>",[704,1012,1013],{"class":797}," {\n",[704,1015,1017,1020,1022,1025,1027,1030,1032,1034,1037,1039,1041,1044,1046,1048],{"class":706,"line":1016},14,[704,1018,1019],{"class":790},"  request",[704,1021,960],{"class":797},[704,1023,1024],{"class":790},"log",[704,1026,960],{"class":797},[704,1028,1029],{"class":860},"set",[704,1031,864],{"class":873},[704,1033,930],{"class":797},[704,1035,1036],{"class":873}," route",[704,1038,877],{"class":797},[704,1040,798],{"class":797},[704,1042,1043],{"class":713},"health",[704,1045,892],{"class":797},[704,1047,818],{"class":797},[704,1049,904],{"class":873},[704,1051,1053,1056,1058,1061,1063,1066],{"class":706,"line":1052},15,[704,1054,1055],{"class":786},"  return",[704,1057,812],{"class":797},[704,1059,1060],{"class":873}," ok",[704,1062,877],{"class":797},[704,1064,1065],{"class":938}," true",[704,1067,1068],{"class":797}," }\n",[704,1070,1072,1074],{"class":706,"line":1071},16,[704,1073,901],{"class":797},[704,1075,904],{"class":790},[704,1077,1079],{"class":706,"line":1078},17,[704,1080,854],{"emptyLinePlaceholder":853},[704,1082,1084,1086,1088,1090,1093,1095,1097,1100,1102,1106,1108],{"class":706,"line":1083},18,[704,1085,954],{"class":786},[704,1087,957],{"class":790},[704,1089,960],{"class":797},[704,1091,1092],{"class":860},"listen",[704,1094,864],{"class":790},[704,1096,930],{"class":797},[704,1098,1099],{"class":873}," port",[704,1101,877],{"class":797},[704,1103,1105],{"class":1104},"sbssI"," 3000",[704,1107,818],{"class":797},[704,1109,904],{"class":790},[1111,1112,1114,1118,1119,1125,1126,1129,1130,1133],"callout",{"color":1113,"icon":568},"info",[1115,1116,1117],"strong",{},"Using Vite?"," The ",[671,1120,1121,1124],{"href":566},[622,1122,1123],{},"evlog\u002Fvite"," plugin"," replaces the ",[622,1127,1128],{},"initLogger()"," call with compile-time auto-initialization, strips ",[622,1131,1132],{},"log.debug()"," from production builds, and injects source locations.",[618,1135,1136,1138,1139,1142],{},[622,1137,628],{}," is the evlog wide-event logger and shadows Fastify's built-in pino logger on the request. The pino logger remains accessible via ",[622,1140,1141],{},"fastify.log"," for server-level structured logging.",[682,1144,51],{"id":1145},"wide-events",[618,1147,1148],{},"Build up context progressively through your handler. One request = one wide event:",[694,1150,1152],{"className":776,"code":1151,"filename":778,"language":779,"meta":700,"style":700},"app.get('\u002Fusers\u002F:id', async (request) => {\n  const { id } = request.params as { id: string }\n\n  request.log.set({ user: { id } })\n\n  const user = await db.findUser(id)\n  request.log.set({ user: { name: user.name, plan: user.plan } })\n\n  const orders = await db.findOrders(id)\n  request.log.set({ orders: { count: orders.length, totalRevenue: sum(orders) } })\n\n  return { user, orders }\n})\n",[622,1153,1154,1185,1222,1226,1257,1261,1287,1341,1345,1369,1427,1431,1445],{"__ignoreMap":700},[704,1155,1156,1158,1160,1162,1164,1166,1169,1171,1173,1175,1177,1179,1181,1183],{"class":706,"line":707},[704,1157,977],{"class":790},[704,1159,960],{"class":797},[704,1161,982],{"class":860},[704,1163,864],{"class":790},[704,1165,892],{"class":797},[704,1167,1168],{"class":713},"\u002Fusers\u002F:id",[704,1170,892],{"class":797},[704,1172,994],{"class":797},[704,1174,997],{"class":915},[704,1176,1000],{"class":797},[704,1178,1004],{"class":1003},[704,1180,1007],{"class":797},[704,1182,1010],{"class":915},[704,1184,1013],{"class":797},[704,1186,1187,1190,1192,1195,1197,1200,1203,1205,1208,1211,1213,1215,1217,1220],{"class":706,"line":807},[704,1188,1189],{"class":915},"  const",[704,1191,812],{"class":797},[704,1193,1194],{"class":790}," id",[704,1196,818],{"class":797},[704,1198,1199],{"class":797}," =",[704,1201,1202],{"class":790}," request",[704,1204,960],{"class":797},[704,1206,1207],{"class":790},"params",[704,1209,1210],{"class":786}," as",[704,1212,812],{"class":797},[704,1214,1194],{"class":873},[704,1216,877],{"class":797},[704,1218,1219],{"class":710}," string",[704,1221,1068],{"class":797},[704,1223,1224],{"class":706,"line":831},[704,1225,854],{"emptyLinePlaceholder":853},[704,1227,1228,1230,1232,1234,1236,1238,1240,1242,1245,1247,1249,1251,1253,1255],{"class":706,"line":850},[704,1229,1019],{"class":790},[704,1231,960],{"class":797},[704,1233,1024],{"class":790},[704,1235,960],{"class":797},[704,1237,1029],{"class":860},[704,1239,864],{"class":873},[704,1241,930],{"class":797},[704,1243,1244],{"class":873}," user",[704,1246,877],{"class":797},[704,1248,812],{"class":797},[704,1250,1194],{"class":790},[704,1252,818],{"class":797},[704,1254,818],{"class":797},[704,1256,904],{"class":873},[704,1258,1259],{"class":706,"line":857},[704,1260,854],{"emptyLinePlaceholder":853},[704,1262,1263,1265,1267,1269,1272,1275,1277,1280,1282,1285],{"class":706,"line":870},[704,1264,1189],{"class":915},[704,1266,1244],{"class":790},[704,1268,1199],{"class":797},[704,1270,1271],{"class":786}," await",[704,1273,1274],{"class":790}," db",[704,1276,960],{"class":797},[704,1278,1279],{"class":860},"findUser",[704,1281,864],{"class":873},[704,1283,1284],{"class":790},"id",[704,1286,904],{"class":873},[704,1288,1289,1291,1293,1295,1297,1299,1301,1303,1305,1307,1309,1312,1314,1316,1318,1321,1323,1326,1328,1330,1332,1335,1337,1339],{"class":706,"line":898},[704,1290,1019],{"class":790},[704,1292,960],{"class":797},[704,1294,1024],{"class":790},[704,1296,960],{"class":797},[704,1298,1029],{"class":860},[704,1300,864],{"class":873},[704,1302,930],{"class":797},[704,1304,1244],{"class":873},[704,1306,877],{"class":797},[704,1308,812],{"class":797},[704,1310,1311],{"class":873}," name",[704,1313,877],{"class":797},[704,1315,1244],{"class":790},[704,1317,960],{"class":797},[704,1319,1320],{"class":790},"name",[704,1322,994],{"class":797},[704,1324,1325],{"class":873}," plan",[704,1327,877],{"class":797},[704,1329,1244],{"class":790},[704,1331,960],{"class":797},[704,1333,1334],{"class":790},"plan",[704,1336,818],{"class":797},[704,1338,818],{"class":797},[704,1340,904],{"class":873},[704,1342,1343],{"class":706,"line":907},[704,1344,854],{"emptyLinePlaceholder":853},[704,1346,1347,1349,1352,1354,1356,1358,1360,1363,1365,1367],{"class":706,"line":912},[704,1348,1189],{"class":915},[704,1350,1351],{"class":790}," orders",[704,1353,1199],{"class":797},[704,1355,1271],{"class":786},[704,1357,1274],{"class":790},[704,1359,960],{"class":797},[704,1361,1362],{"class":860},"findOrders",[704,1364,864],{"class":873},[704,1366,1284],{"class":790},[704,1368,904],{"class":873},[704,1370,1371,1373,1375,1377,1379,1381,1383,1385,1387,1389,1391,1394,1396,1398,1400,1403,1405,1408,1410,1413,1415,1418,1421,1423,1425],{"class":706,"line":946},[704,1372,1019],{"class":790},[704,1374,960],{"class":797},[704,1376,1024],{"class":790},[704,1378,960],{"class":797},[704,1380,1029],{"class":860},[704,1382,864],{"class":873},[704,1384,930],{"class":797},[704,1386,1351],{"class":873},[704,1388,877],{"class":797},[704,1390,812],{"class":797},[704,1392,1393],{"class":873}," count",[704,1395,877],{"class":797},[704,1397,1351],{"class":790},[704,1399,960],{"class":797},[704,1401,1402],{"class":790},"length",[704,1404,994],{"class":797},[704,1406,1407],{"class":873}," totalRevenue",[704,1409,877],{"class":797},[704,1411,1412],{"class":860}," sum",[704,1414,864],{"class":873},[704,1416,1417],{"class":790},"orders",[704,1419,1420],{"class":873},") ",[704,1422,901],{"class":797},[704,1424,818],{"class":797},[704,1426,904],{"class":873},[704,1428,1429],{"class":706,"line":951},[704,1430,854],{"emptyLinePlaceholder":853},[704,1432,1433,1435,1437,1439,1441,1443],{"class":706,"line":969},[704,1434,1055],{"class":786},[704,1436,812],{"class":797},[704,1438,1244],{"class":790},[704,1440,994],{"class":797},[704,1442,1351],{"class":790},[704,1444,1068],{"class":797},[704,1446,1447,1449],{"class":706,"line":974},[704,1448,901],{"class":797},[704,1450,904],{"class":790},[618,1452,1453],{},"All fields are merged into a single wide event emitted when the request completes:",[694,1455,1458],{"className":696,"code":1456,"filename":1457,"language":699,"meta":700,"style":700},"14:58:15 INFO [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n  ├─ orders: count=2 totalRevenue=6298\n  ├─ user: id=usr_123 name=Alice plan=pro\n  └─ requestId: 4a8ff3a8-...\n","Terminal output",[622,1459,1460,1471,1491,1507],{"__ignoreMap":700},[704,1461,1462,1465,1468],{"class":706,"line":707},[704,1463,1464],{"class":710},"14:58:15",[704,1466,1467],{"class":713}," INFO",[704,1469,1470],{"class":790}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[704,1472,1473,1476,1479,1482,1485,1488],{"class":706,"line":807},[704,1474,1475],{"class":710},"  ├─",[704,1477,1478],{"class":713}," orders:",[704,1480,1481],{"class":713}," count=",[704,1483,1484],{"class":1104},"2",[704,1486,1487],{"class":713}," totalRevenue=",[704,1489,1490],{"class":1104},"6298\n",[704,1492,1493,1495,1498,1501,1504],{"class":706,"line":831},[704,1494,1475],{"class":710},[704,1496,1497],{"class":713}," user:",[704,1499,1500],{"class":713}," id=usr_123",[704,1502,1503],{"class":713}," name=Alice",[704,1505,1506],{"class":713}," plan=pro\n",[704,1508,1509,1512,1515],{"class":706,"line":850},[704,1510,1511],{"class":710},"  └─",[704,1513,1514],{"class":713}," requestId:",[704,1516,1517],{"class":713}," 4a8ff3a8-...\n",[682,1519,632],{"id":1520},"uselogger",[618,1522,1523,1524,1526],{},"Use ",[622,1525,632],{}," to access the request-scoped logger from anywhere in the call stack without passing the request object through your service layer:",[694,1528,1531],{"className":776,"code":1529,"filename":1530,"language":779,"meta":700,"style":700},"import { useLogger } from 'evlog\u002Ffastify'\n\nexport async function findUser(id: string) {\n  const log = useLogger()\n  log.set({ user: { id } })\n\n  const user = await db.findUser(id)\n  log.set({ user: { name: user.name, plan: user.plan } })\n\n  return user\n}\n","src\u002Fservices\u002Fuser.ts",[622,1532,1533,1552,1556,1581,1595,1622,1626,1648,1694,1698,1705],{"__ignoreMap":700},[704,1534,1535,1537,1539,1542,1544,1546,1548,1550],{"class":706,"line":707},[704,1536,787],{"class":786},[704,1538,812],{"class":797},[704,1540,1541],{"class":790}," useLogger",[704,1543,818],{"class":797},[704,1545,821],{"class":786},[704,1547,798],{"class":797},[704,1549,624],{"class":713},[704,1551,804],{"class":797},[704,1553,1554],{"class":706,"line":807},[704,1555,854],{"emptyLinePlaceholder":853},[704,1557,1558,1561,1563,1566,1569,1571,1573,1575,1577,1579],{"class":706,"line":831},[704,1559,1560],{"class":786},"export",[704,1562,997],{"class":915},[704,1564,1565],{"class":915}," function",[704,1567,1568],{"class":860}," findUser",[704,1570,864],{"class":797},[704,1572,1284],{"class":1003},[704,1574,877],{"class":797},[704,1576,1219],{"class":710},[704,1578,1007],{"class":797},[704,1580,1013],{"class":797},[704,1582,1583,1585,1588,1590,1592],{"class":706,"line":850},[704,1584,1189],{"class":915},[704,1586,1587],{"class":790}," log",[704,1589,1199],{"class":797},[704,1591,1541],{"class":860},[704,1593,1594],{"class":873},"()\n",[704,1596,1597,1600,1602,1604,1606,1608,1610,1612,1614,1616,1618,1620],{"class":706,"line":857},[704,1598,1599],{"class":790},"  log",[704,1601,960],{"class":797},[704,1603,1029],{"class":860},[704,1605,864],{"class":873},[704,1607,930],{"class":797},[704,1609,1244],{"class":873},[704,1611,877],{"class":797},[704,1613,812],{"class":797},[704,1615,1194],{"class":790},[704,1617,818],{"class":797},[704,1619,818],{"class":797},[704,1621,904],{"class":873},[704,1623,1624],{"class":706,"line":870},[704,1625,854],{"emptyLinePlaceholder":853},[704,1627,1628,1630,1632,1634,1636,1638,1640,1642,1644,1646],{"class":706,"line":898},[704,1629,1189],{"class":915},[704,1631,1244],{"class":790},[704,1633,1199],{"class":797},[704,1635,1271],{"class":786},[704,1637,1274],{"class":790},[704,1639,960],{"class":797},[704,1641,1279],{"class":860},[704,1643,864],{"class":873},[704,1645,1284],{"class":790},[704,1647,904],{"class":873},[704,1649,1650,1652,1654,1656,1658,1660,1662,1664,1666,1668,1670,1672,1674,1676,1678,1680,1682,1684,1686,1688,1690,1692],{"class":706,"line":907},[704,1651,1599],{"class":790},[704,1653,960],{"class":797},[704,1655,1029],{"class":860},[704,1657,864],{"class":873},[704,1659,930],{"class":797},[704,1661,1244],{"class":873},[704,1663,877],{"class":797},[704,1665,812],{"class":797},[704,1667,1311],{"class":873},[704,1669,877],{"class":797},[704,1671,1244],{"class":790},[704,1673,960],{"class":797},[704,1675,1320],{"class":790},[704,1677,994],{"class":797},[704,1679,1325],{"class":873},[704,1681,877],{"class":797},[704,1683,1244],{"class":790},[704,1685,960],{"class":797},[704,1687,1334],{"class":790},[704,1689,818],{"class":797},[704,1691,818],{"class":797},[704,1693,904],{"class":873},[704,1695,1696],{"class":706,"line":912},[704,1697,854],{"emptyLinePlaceholder":853},[704,1699,1700,1702],{"class":706,"line":946},[704,1701,1055],{"class":786},[704,1703,1704],{"class":790}," user\n",[704,1706,1707],{"class":706,"line":951},[704,1708,1709],{"class":797},"}\n",[694,1711,1713],{"className":776,"code":1712,"filename":778,"language":779,"meta":700,"style":700},"import { findUser } from '.\u002Fservices\u002Fuser'\n\napp.get('\u002Fusers\u002F:id', async (request) => {\n  const { id } = request.params as { id: string }\n  const user = await findUser(id)\n  return user\n})\n",[622,1714,1715,1734,1738,1768,1798,1816,1822],{"__ignoreMap":700},[704,1716,1717,1719,1721,1723,1725,1727,1729,1732],{"class":706,"line":707},[704,1718,787],{"class":786},[704,1720,812],{"class":797},[704,1722,1568],{"class":790},[704,1724,818],{"class":797},[704,1726,821],{"class":786},[704,1728,798],{"class":797},[704,1730,1731],{"class":713},".\u002Fservices\u002Fuser",[704,1733,804],{"class":797},[704,1735,1736],{"class":706,"line":807},[704,1737,854],{"emptyLinePlaceholder":853},[704,1739,1740,1742,1744,1746,1748,1750,1752,1754,1756,1758,1760,1762,1764,1766],{"class":706,"line":831},[704,1741,977],{"class":790},[704,1743,960],{"class":797},[704,1745,982],{"class":860},[704,1747,864],{"class":790},[704,1749,892],{"class":797},[704,1751,1168],{"class":713},[704,1753,892],{"class":797},[704,1755,994],{"class":797},[704,1757,997],{"class":915},[704,1759,1000],{"class":797},[704,1761,1004],{"class":1003},[704,1763,1007],{"class":797},[704,1765,1010],{"class":915},[704,1767,1013],{"class":797},[704,1769,1770,1772,1774,1776,1778,1780,1782,1784,1786,1788,1790,1792,1794,1796],{"class":706,"line":850},[704,1771,1189],{"class":915},[704,1773,812],{"class":797},[704,1775,1194],{"class":790},[704,1777,818],{"class":797},[704,1779,1199],{"class":797},[704,1781,1202],{"class":790},[704,1783,960],{"class":797},[704,1785,1207],{"class":790},[704,1787,1210],{"class":786},[704,1789,812],{"class":797},[704,1791,1194],{"class":873},[704,1793,877],{"class":797},[704,1795,1219],{"class":710},[704,1797,1068],{"class":797},[704,1799,1800,1802,1804,1806,1808,1810,1812,1814],{"class":706,"line":857},[704,1801,1189],{"class":915},[704,1803,1244],{"class":790},[704,1805,1199],{"class":797},[704,1807,1271],{"class":786},[704,1809,1568],{"class":860},[704,1811,864],{"class":873},[704,1813,1284],{"class":790},[704,1815,904],{"class":873},[704,1817,1818,1820],{"class":706,"line":870},[704,1819,1055],{"class":786},[704,1821,1704],{"class":790},[704,1823,1824,1826],{"class":706,"line":898},[704,1825,901],{"class":797},[704,1827,904],{"class":790},[618,1829,1830,1831,629,1833,1835,1836,1838,1839,1842],{},"Both ",[622,1832,628],{},[622,1834,632],{}," return the same logger instance. ",[622,1837,632],{}," uses ",[622,1840,1841],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[682,1844,1846,1847,1007],{"id":1845},"background-work-logfork","Background work (",[622,1848,1849],{},"log.fork",[618,1851,1523,1852,1855,1856,1859,1860,1864],{},[622,1853,1854],{},"request.log.fork(label, fn)"," for async work that should emit a ",[1115,1857,1858],{},"separate"," child wide event after the response. See ",[671,1861,1863],{"href":1862},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[694,1866,1868],{"className":776,"code":1867,"filename":778,"language":779,"meta":700,"style":700},"import { evlog, useLogger } from 'evlog\u002Ffastify'\n\napp.post('\u002Forders', async (request, reply) => {\n  request.log.fork!('fulfill', async () => {\n    const log = useLogger()\n    log.set({ step: 'ok' })\n  })\n  return { ok: true }\n})\n",[622,1869,1870,1892,1896,1933,1969,1982,2011,2018,2032],{"__ignoreMap":700},[704,1871,1872,1874,1876,1878,1880,1882,1884,1886,1888,1890],{"class":706,"line":707},[704,1873,787],{"class":786},[704,1875,812],{"class":797},[704,1877,717],{"class":790},[704,1879,994],{"class":797},[704,1881,1541],{"class":790},[704,1883,818],{"class":797},[704,1885,821],{"class":786},[704,1887,798],{"class":797},[704,1889,624],{"class":713},[704,1891,804],{"class":797},[704,1893,1894],{"class":706,"line":807},[704,1895,854],{"emptyLinePlaceholder":853},[704,1897,1898,1900,1902,1905,1907,1909,1912,1914,1916,1918,1920,1922,1924,1927,1929,1931],{"class":706,"line":831},[704,1899,977],{"class":790},[704,1901,960],{"class":797},[704,1903,1904],{"class":860},"post",[704,1906,864],{"class":790},[704,1908,892],{"class":797},[704,1910,1911],{"class":713},"\u002Forders",[704,1913,892],{"class":797},[704,1915,994],{"class":797},[704,1917,997],{"class":915},[704,1919,1000],{"class":797},[704,1921,1004],{"class":1003},[704,1923,994],{"class":797},[704,1925,1926],{"class":1003}," reply",[704,1928,1007],{"class":797},[704,1930,1010],{"class":915},[704,1932,1013],{"class":797},[704,1934,1935,1937,1939,1941,1943,1946,1949,1951,1953,1956,1958,1960,1962,1965,1967],{"class":706,"line":850},[704,1936,1019],{"class":790},[704,1938,960],{"class":797},[704,1940,1024],{"class":790},[704,1942,960],{"class":797},[704,1944,1945],{"class":860},"fork",[704,1947,1948],{"class":797},"!",[704,1950,864],{"class":873},[704,1952,892],{"class":797},[704,1954,1955],{"class":713},"fulfill",[704,1957,892],{"class":797},[704,1959,994],{"class":797},[704,1961,997],{"class":915},[704,1963,1964],{"class":797}," ()",[704,1966,1010],{"class":915},[704,1968,1013],{"class":797},[704,1970,1971,1974,1976,1978,1980],{"class":706,"line":857},[704,1972,1973],{"class":915},"    const",[704,1975,1587],{"class":790},[704,1977,1199],{"class":797},[704,1979,1541],{"class":860},[704,1981,1594],{"class":873},[704,1983,1984,1987,1989,1991,1993,1995,1998,2000,2002,2005,2007,2009],{"class":706,"line":870},[704,1985,1986],{"class":790},"    log",[704,1988,960],{"class":797},[704,1990,1029],{"class":860},[704,1992,864],{"class":873},[704,1994,930],{"class":797},[704,1996,1997],{"class":873}," step",[704,1999,877],{"class":797},[704,2001,798],{"class":797},[704,2003,2004],{"class":713},"ok",[704,2006,892],{"class":797},[704,2008,818],{"class":797},[704,2010,904],{"class":873},[704,2012,2013,2016],{"class":706,"line":898},[704,2014,2015],{"class":797},"  }",[704,2017,904],{"class":873},[704,2019,2020,2022,2024,2026,2028,2030],{"class":706,"line":907},[704,2021,1055],{"class":786},[704,2023,812],{"class":797},[704,2025,1060],{"class":873},[704,2027,877],{"class":797},[704,2029,1065],{"class":938},[704,2031,1068],{"class":797},[704,2033,2034,2036],{"class":706,"line":912},[704,2035,901],{"class":797},[704,2037,904],{"class":790},[682,2039,2041],{"id":2040},"error-handling","Error Handling",[618,2043,1523,2044,2047,2048,2051,2052,2055,2056,2059,2060,877],{},[622,2045,2046],{},"createError"," for structured errors with ",[622,2049,2050],{},"why",", ",[622,2053,2054],{},"fix",", and ",[622,2057,2058],{},"link"," fields. Fastify captures thrown errors via ",[622,2061,2062],{},"onError",[694,2064,2066],{"className":776,"code":2065,"filename":778,"language":779,"meta":700,"style":700},"import { createError, parseError } from 'evlog'\n\napp.get('\u002Fcheckout', async (_request, reply) => {\n  throw createError({\n    message: 'Payment failed',\n    status: 402,\n    why: 'Card declined by issuer',\n    fix: 'Try a different payment method',\n    link: 'https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined',\n  })\n})\n\napp.setErrorHandler((error, _request, reply) => {\n  const parsed = parseError(error)\n  reply.status(parsed.status).send({\n    message: parsed.message,\n    why: parsed.why,\n    fix: parsed.fix,\n    link: parsed.link,\n  })\n})\n",[622,2067,2068,2092,2096,2132,2143,2160,2172,2188,2204,2220,2226,2232,2236,2267,2284,2314,2329,2343,2357,2372,2379],{"__ignoreMap":700},[704,2069,2070,2072,2074,2077,2079,2082,2084,2086,2088,2090],{"class":706,"line":707},[704,2071,787],{"class":786},[704,2073,812],{"class":797},[704,2075,2076],{"class":790}," createError",[704,2078,994],{"class":797},[704,2080,2081],{"class":790}," parseError",[704,2083,818],{"class":797},[704,2085,821],{"class":786},[704,2087,798],{"class":797},[704,2089,826],{"class":713},[704,2091,804],{"class":797},[704,2093,2094],{"class":706,"line":807},[704,2095,854],{"emptyLinePlaceholder":853},[704,2097,2098,2100,2102,2104,2106,2108,2111,2113,2115,2117,2119,2122,2124,2126,2128,2130],{"class":706,"line":831},[704,2099,977],{"class":790},[704,2101,960],{"class":797},[704,2103,982],{"class":860},[704,2105,864],{"class":790},[704,2107,892],{"class":797},[704,2109,2110],{"class":713},"\u002Fcheckout",[704,2112,892],{"class":797},[704,2114,994],{"class":797},[704,2116,997],{"class":915},[704,2118,1000],{"class":797},[704,2120,2121],{"class":1003},"_request",[704,2123,994],{"class":797},[704,2125,1926],{"class":1003},[704,2127,1007],{"class":797},[704,2129,1010],{"class":915},[704,2131,1013],{"class":797},[704,2133,2134,2137,2139,2141],{"class":706,"line":850},[704,2135,2136],{"class":786},"  throw",[704,2138,2076],{"class":860},[704,2140,864],{"class":873},[704,2142,867],{"class":797},[704,2144,2145,2148,2150,2152,2155,2157],{"class":706,"line":857},[704,2146,2147],{"class":873},"    message",[704,2149,877],{"class":797},[704,2151,798],{"class":797},[704,2153,2154],{"class":713},"Payment failed",[704,2156,892],{"class":797},[704,2158,2159],{"class":797},",\n",[704,2161,2162,2165,2167,2170],{"class":706,"line":870},[704,2163,2164],{"class":873},"    status",[704,2166,877],{"class":797},[704,2168,2169],{"class":1104}," 402",[704,2171,2159],{"class":797},[704,2173,2174,2177,2179,2181,2184,2186],{"class":706,"line":898},[704,2175,2176],{"class":873},"    why",[704,2178,877],{"class":797},[704,2180,798],{"class":797},[704,2182,2183],{"class":713},"Card declined by issuer",[704,2185,892],{"class":797},[704,2187,2159],{"class":797},[704,2189,2190,2193,2195,2197,2200,2202],{"class":706,"line":907},[704,2191,2192],{"class":873},"    fix",[704,2194,877],{"class":797},[704,2196,798],{"class":797},[704,2198,2199],{"class":713},"Try a different payment method",[704,2201,892],{"class":797},[704,2203,2159],{"class":797},[704,2205,2206,2209,2211,2213,2216,2218],{"class":706,"line":912},[704,2207,2208],{"class":873},"    link",[704,2210,877],{"class":797},[704,2212,798],{"class":797},[704,2214,2215],{"class":713},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[704,2217,892],{"class":797},[704,2219,2159],{"class":797},[704,2221,2222,2224],{"class":706,"line":946},[704,2223,2015],{"class":797},[704,2225,904],{"class":873},[704,2227,2228,2230],{"class":706,"line":951},[704,2229,901],{"class":797},[704,2231,904],{"class":790},[704,2233,2234],{"class":706,"line":969},[704,2235,854],{"emptyLinePlaceholder":853},[704,2237,2238,2240,2242,2245,2247,2249,2252,2254,2257,2259,2261,2263,2265],{"class":706,"line":974},[704,2239,977],{"class":790},[704,2241,960],{"class":797},[704,2243,2244],{"class":860},"setErrorHandler",[704,2246,864],{"class":790},[704,2248,864],{"class":797},[704,2250,2251],{"class":1003},"error",[704,2253,994],{"class":797},[704,2255,2256],{"class":1003}," _request",[704,2258,994],{"class":797},[704,2260,1926],{"class":1003},[704,2262,1007],{"class":797},[704,2264,1010],{"class":915},[704,2266,1013],{"class":797},[704,2268,2269,2271,2274,2276,2278,2280,2282],{"class":706,"line":1016},[704,2270,1189],{"class":915},[704,2272,2273],{"class":790}," parsed",[704,2275,1199],{"class":797},[704,2277,2081],{"class":860},[704,2279,864],{"class":873},[704,2281,2251],{"class":790},[704,2283,904],{"class":873},[704,2285,2286,2289,2291,2294,2296,2299,2301,2303,2305,2307,2310,2312],{"class":706,"line":1052},[704,2287,2288],{"class":790},"  reply",[704,2290,960],{"class":797},[704,2292,2293],{"class":860},"status",[704,2295,864],{"class":873},[704,2297,2298],{"class":790},"parsed",[704,2300,960],{"class":797},[704,2302,2293],{"class":790},[704,2304,1007],{"class":873},[704,2306,960],{"class":797},[704,2308,2309],{"class":860},"send",[704,2311,864],{"class":873},[704,2313,867],{"class":797},[704,2315,2316,2318,2320,2322,2324,2327],{"class":706,"line":1071},[704,2317,2147],{"class":873},[704,2319,877],{"class":797},[704,2321,2273],{"class":790},[704,2323,960],{"class":797},[704,2325,2326],{"class":790},"message",[704,2328,2159],{"class":797},[704,2330,2331,2333,2335,2337,2339,2341],{"class":706,"line":1078},[704,2332,2176],{"class":873},[704,2334,877],{"class":797},[704,2336,2273],{"class":790},[704,2338,960],{"class":797},[704,2340,2050],{"class":790},[704,2342,2159],{"class":797},[704,2344,2345,2347,2349,2351,2353,2355],{"class":706,"line":1083},[704,2346,2192],{"class":873},[704,2348,877],{"class":797},[704,2350,2273],{"class":790},[704,2352,960],{"class":797},[704,2354,2054],{"class":790},[704,2356,2159],{"class":797},[704,2358,2360,2362,2364,2366,2368,2370],{"class":706,"line":2359},19,[704,2361,2208],{"class":873},[704,2363,877],{"class":797},[704,2365,2273],{"class":790},[704,2367,960],{"class":797},[704,2369,2058],{"class":790},[704,2371,2159],{"class":797},[704,2373,2375,2377],{"class":706,"line":2374},20,[704,2376,2015],{"class":797},[704,2378,904],{"class":873},[704,2380,2382,2384],{"class":706,"line":2381},21,[704,2383,901],{"class":797},[704,2385,904],{"class":790},[618,2387,2388],{},"The error is captured and logged with both the custom context and structured error fields:",[694,2390,2392],{"className":696,"code":2391,"filename":1457,"language":699,"meta":700,"style":700},"14:58:20 ERROR [my-api] GET \u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  └─ requestId: 880a50ac-...\n",[622,2393,2394,2405,2427],{"__ignoreMap":700},[704,2395,2396,2399,2402],{"class":706,"line":707},[704,2397,2398],{"class":710},"14:58:20",[704,2400,2401],{"class":713}," ERROR",[704,2403,2404],{"class":790}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[704,2406,2407,2409,2412,2415,2418,2421,2424],{"class":706,"line":807},[704,2408,1475],{"class":710},[704,2410,2411],{"class":713}," error:",[704,2413,2414],{"class":713}," name=EvlogError",[704,2416,2417],{"class":713}," message=Payment",[704,2419,2420],{"class":713}," failed",[704,2422,2423],{"class":713}," status=",[704,2425,2426],{"class":1104},"402\n",[704,2428,2429,2431,2433],{"class":706,"line":831},[704,2430,1511],{"class":710},[704,2432,1514],{"class":713},[704,2434,2435],{"class":713}," 880a50ac-...\n",[682,2437,557],{"id":2438},"configuration",[618,2440,2441,2442,2445,2446,2448],{},"See the ",[671,2443,2444],{"href":558},"Configuration reference"," for all available options (",[622,2447,861],{},", middleware options, sampling, silent mode, etc.).",[682,2450,2452],{"id":2451},"drain-enrichers","Drain & Enrichers",[618,2454,2455],{},"Configure drain adapters and enrichers directly in the plugin options:",[694,2457,2459],{"className":776,"code":2458,"filename":778,"language":779,"meta":700,"style":700},"import { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\n\nconst userAgent = createUserAgentEnricher()\n\nawait app.register(evlog, {\n  drain: createAxiomDrain(),\n  enrich: (ctx) => {\n    userAgent(ctx)\n    ctx.event.region = process.env.FLY_REGION\n  },\n})\n",[622,2460,2461,2481,2501,2505,2518,2522,2539,2553,2571,2582,2612,2617],{"__ignoreMap":700},[704,2462,2463,2465,2467,2470,2472,2474,2476,2479],{"class":706,"line":707},[704,2464,787],{"class":786},[704,2466,812],{"class":797},[704,2468,2469],{"class":790}," createAxiomDrain",[704,2471,818],{"class":797},[704,2473,821],{"class":786},[704,2475,798],{"class":797},[704,2477,2478],{"class":713},"evlog\u002Faxiom",[704,2480,804],{"class":797},[704,2482,2483,2485,2487,2490,2492,2494,2496,2499],{"class":706,"line":807},[704,2484,787],{"class":786},[704,2486,812],{"class":797},[704,2488,2489],{"class":790}," createUserAgentEnricher",[704,2491,818],{"class":797},[704,2493,821],{"class":786},[704,2495,798],{"class":797},[704,2497,2498],{"class":713},"evlog\u002Fenrichers",[704,2500,804],{"class":797},[704,2502,2503],{"class":706,"line":831},[704,2504,854],{"emptyLinePlaceholder":853},[704,2506,2507,2509,2512,2514,2516],{"class":706,"line":850},[704,2508,916],{"class":915},[704,2510,2511],{"class":790}," userAgent ",[704,2513,922],{"class":797},[704,2515,2489],{"class":860},[704,2517,1594],{"class":790},[704,2519,2520],{"class":706,"line":857},[704,2521,854],{"emptyLinePlaceholder":853},[704,2523,2524,2526,2528,2530,2532,2535,2537],{"class":706,"line":870},[704,2525,954],{"class":786},[704,2527,957],{"class":790},[704,2529,960],{"class":797},[704,2531,963],{"class":860},[704,2533,2534],{"class":790},"(evlog",[704,2536,994],{"class":797},[704,2538,1013],{"class":797},[704,2540,2541,2544,2546,2548,2551],{"class":706,"line":898},[704,2542,2543],{"class":873},"  drain",[704,2545,877],{"class":797},[704,2547,2469],{"class":860},[704,2549,2550],{"class":790},"()",[704,2552,2159],{"class":797},[704,2554,2555,2558,2560,2562,2565,2567,2569],{"class":706,"line":907},[704,2556,2557],{"class":860},"  enrich",[704,2559,877],{"class":797},[704,2561,1000],{"class":797},[704,2563,2564],{"class":1003},"ctx",[704,2566,1007],{"class":797},[704,2568,1010],{"class":915},[704,2570,1013],{"class":797},[704,2572,2573,2576,2578,2580],{"class":706,"line":912},[704,2574,2575],{"class":860},"    userAgent",[704,2577,864],{"class":873},[704,2579,2564],{"class":790},[704,2581,904],{"class":873},[704,2583,2584,2587,2589,2592,2594,2597,2599,2602,2604,2607,2609],{"class":706,"line":946},[704,2585,2586],{"class":790},"    ctx",[704,2588,960],{"class":797},[704,2590,2591],{"class":790},"event",[704,2593,960],{"class":797},[704,2595,2596],{"class":790},"region",[704,2598,1199],{"class":797},[704,2600,2601],{"class":790}," process",[704,2603,960],{"class":797},[704,2605,2606],{"class":790},"env",[704,2608,960],{"class":797},[704,2610,2611],{"class":790},"FLY_REGION\n",[704,2613,2614],{"class":706,"line":951},[704,2615,2616],{"class":797},"  },\n",[704,2618,2619,2621],{"class":706,"line":969},[704,2620,901],{"class":797},[704,2622,904],{"class":790},[686,2624,2626],{"id":2625},"pipeline-batching-retry","Pipeline (Batching & Retry)",[618,2628,2629,2630,2633],{},"For production, wrap your adapter with ",[622,2631,2632],{},"createDrainPipeline"," to batch events and retry on failure:",[694,2635,2637],{"className":776,"code":2636,"filename":778,"language":779,"meta":700,"style":700},"import type { DrainContext } from 'evlog'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createDrainPipeline } from 'evlog\u002Fpipeline'\n\nconst pipeline = createDrainPipeline\u003CDrainContext>({\n  batch: { size: 50, intervalMs: 5000 },\n  retry: { maxAttempts: 3 },\n})\nconst drain = pipeline(createAxiomDrain())\n\nawait app.register(evlog, { drain })\n",[622,2638,2639,2661,2679,2699,2703,2727,2756,2775,2781,2801,2805],{"__ignoreMap":700},[704,2640,2641,2643,2646,2648,2651,2653,2655,2657,2659],{"class":706,"line":707},[704,2642,787],{"class":786},[704,2644,2645],{"class":786}," type",[704,2647,812],{"class":797},[704,2649,2650],{"class":790}," DrainContext",[704,2652,818],{"class":797},[704,2654,821],{"class":786},[704,2656,798],{"class":797},[704,2658,826],{"class":713},[704,2660,804],{"class":797},[704,2662,2663,2665,2667,2669,2671,2673,2675,2677],{"class":706,"line":807},[704,2664,787],{"class":786},[704,2666,812],{"class":797},[704,2668,2469],{"class":790},[704,2670,818],{"class":797},[704,2672,821],{"class":786},[704,2674,798],{"class":797},[704,2676,2478],{"class":713},[704,2678,804],{"class":797},[704,2680,2681,2683,2685,2688,2690,2692,2694,2697],{"class":706,"line":831},[704,2682,787],{"class":786},[704,2684,812],{"class":797},[704,2686,2687],{"class":790}," createDrainPipeline",[704,2689,818],{"class":797},[704,2691,821],{"class":786},[704,2693,798],{"class":797},[704,2695,2696],{"class":713},"evlog\u002Fpipeline",[704,2698,804],{"class":797},[704,2700,2701],{"class":706,"line":850},[704,2702,854],{"emptyLinePlaceholder":853},[704,2704,2705,2707,2710,2712,2714,2717,2720,2723,2725],{"class":706,"line":857},[704,2706,916],{"class":915},[704,2708,2709],{"class":790}," pipeline ",[704,2711,922],{"class":797},[704,2713,2687],{"class":860},[704,2715,2716],{"class":797},"\u003C",[704,2718,2719],{"class":710},"DrainContext",[704,2721,2722],{"class":797},">",[704,2724,864],{"class":790},[704,2726,867],{"class":797},[704,2728,2729,2732,2734,2736,2739,2741,2744,2746,2749,2751,2754],{"class":706,"line":870},[704,2730,2731],{"class":873},"  batch",[704,2733,877],{"class":797},[704,2735,812],{"class":797},[704,2737,2738],{"class":873}," size",[704,2740,877],{"class":797},[704,2742,2743],{"class":1104}," 50",[704,2745,994],{"class":797},[704,2747,2748],{"class":873}," intervalMs",[704,2750,877],{"class":797},[704,2752,2753],{"class":1104}," 5000",[704,2755,895],{"class":797},[704,2757,2758,2761,2763,2765,2768,2770,2773],{"class":706,"line":898},[704,2759,2760],{"class":873},"  retry",[704,2762,877],{"class":797},[704,2764,812],{"class":797},[704,2766,2767],{"class":873}," maxAttempts",[704,2769,877],{"class":797},[704,2771,2772],{"class":1104}," 3",[704,2774,895],{"class":797},[704,2776,2777,2779],{"class":706,"line":907},[704,2778,901],{"class":797},[704,2780,904],{"class":790},[704,2782,2783,2785,2788,2790,2793,2795,2798],{"class":706,"line":912},[704,2784,916],{"class":915},[704,2786,2787],{"class":790}," drain ",[704,2789,922],{"class":797},[704,2791,2792],{"class":860}," pipeline",[704,2794,864],{"class":790},[704,2796,2797],{"class":860},"createAxiomDrain",[704,2799,2800],{"class":790},"())\n",[704,2802,2803],{"class":706,"line":946},[704,2804,854],{"emptyLinePlaceholder":853},[704,2806,2807,2809,2811,2813,2815,2817,2819,2821,2823,2825],{"class":706,"line":951},[704,2808,954],{"class":786},[704,2810,957],{"class":790},[704,2812,960],{"class":797},[704,2814,963],{"class":860},[704,2816,2534],{"class":790},[704,2818,994],{"class":797},[704,2820,812],{"class":797},[704,2822,2787],{"class":790},[704,2824,901],{"class":797},[704,2826,904],{"class":790},[1111,2828,2829,2830,2833,2834,2837],{"color":1113,"icon":13},"Call ",[622,2831,2832],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[671,2835,2836],{"href":545},"Pipeline docs"," for all options.",[682,2839,2841],{"id":2840},"tail-sampling","Tail Sampling",[618,2843,1523,2844,2847],{},[622,2845,2846],{},"keep"," to force-retain specific events regardless of head sampling:",[694,2849,2851],{"className":776,"code":2850,"filename":778,"language":779,"meta":700,"style":700},"await app.register(evlog, {\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[622,2852,2853,2869,2881,2898,2942,2946],{"__ignoreMap":700},[704,2854,2855,2857,2859,2861,2863,2865,2867],{"class":706,"line":707},[704,2856,954],{"class":786},[704,2858,957],{"class":790},[704,2860,960],{"class":797},[704,2862,963],{"class":860},[704,2864,2534],{"class":790},[704,2866,994],{"class":797},[704,2868,1013],{"class":797},[704,2870,2871,2873,2875,2877,2879],{"class":706,"line":807},[704,2872,2543],{"class":873},[704,2874,877],{"class":797},[704,2876,2469],{"class":860},[704,2878,2550],{"class":790},[704,2880,2159],{"class":797},[704,2882,2883,2886,2888,2890,2892,2894,2896],{"class":706,"line":831},[704,2884,2885],{"class":860},"  keep",[704,2887,877],{"class":797},[704,2889,1000],{"class":797},[704,2891,2564],{"class":1003},[704,2893,1007],{"class":797},[704,2895,1010],{"class":915},[704,2897,1013],{"class":797},[704,2899,2900,2903,2905,2907,2909,2912,2915,2918,2920,2922,2925,2928,2930,2932,2934,2937,2939],{"class":706,"line":850},[704,2901,2902],{"class":786},"    if",[704,2904,1000],{"class":873},[704,2906,2564],{"class":790},[704,2908,960],{"class":797},[704,2910,2911],{"class":790},"duration",[704,2913,2914],{"class":797}," &&",[704,2916,2917],{"class":790}," ctx",[704,2919,960],{"class":797},[704,2921,2911],{"class":790},[704,2923,2924],{"class":797}," >",[704,2926,2927],{"class":1104}," 2000",[704,2929,1420],{"class":873},[704,2931,2564],{"class":790},[704,2933,960],{"class":797},[704,2935,2936],{"class":790},"shouldKeep",[704,2938,1199],{"class":797},[704,2940,2941],{"class":938}," true\n",[704,2943,2944],{"class":706,"line":857},[704,2945,2616],{"class":797},[704,2947,2948,2950],{"class":706,"line":870},[704,2949,901],{"class":797},[704,2951,904],{"class":790},[682,2953,2955],{"id":2954},"route-filtering","Route Filtering",[618,2957,2958,2959,629,2962,2965],{},"Control which routes are logged with ",[622,2960,2961],{},"include",[622,2963,2964],{},"exclude"," patterns:",[694,2967,2969],{"className":776,"code":2968,"filename":778,"language":779,"meta":700,"style":700},"await app.register(evlog, {\n  include: ['\u002Fapi\u002F**'],\n  exclude: ['\u002F_internal\u002F**', '\u002Fhealth'],\n  routes: {\n    '\u002Fapi\u002Fauth\u002F**': { service: 'auth-service' },\n    '\u002Fapi\u002Fpayment\u002F**': { service: 'payment-service' },\n  },\n})\n",[622,2970,2971,2987,3009,3037,3046,3073,3099,3103],{"__ignoreMap":700},[704,2972,2973,2975,2977,2979,2981,2983,2985],{"class":706,"line":707},[704,2974,954],{"class":786},[704,2976,957],{"class":790},[704,2978,960],{"class":797},[704,2980,963],{"class":860},[704,2982,2534],{"class":790},[704,2984,994],{"class":797},[704,2986,1013],{"class":797},[704,2988,2989,2992,2994,2997,2999,3002,3004,3007],{"class":706,"line":807},[704,2990,2991],{"class":873},"  include",[704,2993,877],{"class":797},[704,2995,2996],{"class":790}," [",[704,2998,892],{"class":797},[704,3000,3001],{"class":713},"\u002Fapi\u002F**",[704,3003,892],{"class":797},[704,3005,3006],{"class":790},"]",[704,3008,2159],{"class":797},[704,3010,3011,3014,3016,3018,3020,3023,3025,3027,3029,3031,3033,3035],{"class":706,"line":831},[704,3012,3013],{"class":873},"  exclude",[704,3015,877],{"class":797},[704,3017,2996],{"class":790},[704,3019,892],{"class":797},[704,3021,3022],{"class":713},"\u002F_internal\u002F**",[704,3024,892],{"class":797},[704,3026,994],{"class":797},[704,3028,798],{"class":797},[704,3030,989],{"class":713},[704,3032,892],{"class":797},[704,3034,3006],{"class":790},[704,3036,2159],{"class":797},[704,3038,3039,3042,3044],{"class":706,"line":850},[704,3040,3041],{"class":873},"  routes",[704,3043,877],{"class":797},[704,3045,1013],{"class":797},[704,3047,3048,3051,3054,3056,3058,3060,3062,3064,3066,3069,3071],{"class":706,"line":857},[704,3049,3050],{"class":797},"    '",[704,3052,3053],{"class":873},"\u002Fapi\u002Fauth\u002F**",[704,3055,892],{"class":797},[704,3057,877],{"class":797},[704,3059,812],{"class":797},[704,3061,882],{"class":873},[704,3063,877],{"class":797},[704,3065,798],{"class":797},[704,3067,3068],{"class":713},"auth-service",[704,3070,892],{"class":797},[704,3072,895],{"class":797},[704,3074,3075,3077,3080,3082,3084,3086,3088,3090,3092,3095,3097],{"class":706,"line":870},[704,3076,3050],{"class":797},[704,3078,3079],{"class":873},"\u002Fapi\u002Fpayment\u002F**",[704,3081,892],{"class":797},[704,3083,877],{"class":797},[704,3085,812],{"class":797},[704,3087,882],{"class":873},[704,3089,877],{"class":797},[704,3091,798],{"class":797},[704,3093,3094],{"class":713},"payment-service",[704,3096,892],{"class":797},[704,3098,895],{"class":797},[704,3100,3101],{"class":706,"line":898},[704,3102,2616],{"class":797},[704,3104,3105,3107],{"class":706,"line":907},[704,3106,901],{"class":797},[704,3108,904],{"class":790},[682,3110,3112],{"id":3111},"run-locally","Run Locally",[694,3114,3117],{"className":696,"code":3115,"filename":3116,"language":699,"meta":700,"style":700},"git clone https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog.git\ncd evlog\npnpm install\npnpm example fastify\n","Terminal",[622,3118,3119,3130,3138,3145],{"__ignoreMap":700},[704,3120,3121,3124,3127],{"class":706,"line":707},[704,3122,3123],{"class":710},"git",[704,3125,3126],{"class":713}," clone",[704,3128,3129],{"class":713}," https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog.git\n",[704,3131,3132,3135],{"class":706,"line":807},[704,3133,3134],{"class":860},"cd",[704,3136,3137],{"class":713}," evlog\n",[704,3139,3140,3142],{"class":706,"line":831},[704,3141,698],{"class":710},[704,3143,3144],{"class":713}," install\n",[704,3146,3147,3149,3152],{"class":706,"line":850},[704,3148,698],{"class":710},[704,3150,3151],{"class":713}," example",[704,3153,720],{"class":713},[618,3155,3156,3157,3161],{},"Open ",[671,3158,3159],{"href":3159,"rel":3160},"http:\u002F\u002Flocalhost:3000",[675]," to explore the interactive test UI.",[3163,3164,3165],"card-group",{},[3166,3167,3171],"card",{"icon":3168,"title":3169,"to":3170},"i-simple-icons-github","Source Code","https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Ftree\u002Fmain\u002Fexamples\u002Ffastify","Browse the complete Fastify example source on GitHub.",[682,3173,3175],{"id":3174},"next-steps","Next Steps",[643,3177,3178,3183,3188,3193],{},[646,3179,3180,3182],{},[671,3181,51],{"href":52},": Design comprehensive events with context layering",[646,3184,3185,3187],{},[671,3186,148],{"href":153},": Send logs to Axiom, Sentry, PostHog, and more",[646,3189,3190,3192],{},[671,3191,66],{"href":67},": Control log volume with head and tail sampling",[646,3194,3195,3197,3198,2051,3200,2055,3202,3204],{},[671,3196,56],{"href":57},": Throw errors with ",[622,3199,2050],{},[622,3201,2054],{},[622,3203,2058],{}," fields",[3206,3207,3208],"style",{},"html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}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 .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 .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 .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 .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .sfNiH, html code.shiki .sfNiH{--shiki-light:#FF5370;--shiki-default:#FF9CAC;--shiki-dark:#FF9CAC}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 .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":700,"searchDepth":807,"depth":807,"links":3210},[3211,3215,3216,3217,3219,3220,3221,3224,3225,3226,3227],{"id":684,"depth":807,"text":25,"children":3212},[3213,3214],{"id":688,"depth":831,"text":689},{"id":772,"depth":831,"text":773},{"id":1145,"depth":807,"text":51},{"id":1520,"depth":807,"text":632},{"id":1845,"depth":807,"text":3218},"Background work (log.fork)",{"id":2040,"depth":807,"text":2041},{"id":2438,"depth":807,"text":557},{"id":2451,"depth":807,"text":2452,"children":3222},[3223],{"id":2625,"depth":831,"text":2626},{"id":2840,"depth":807,"text":2841},{"id":2954,"depth":807,"text":2955},{"id":3111,"depth":807,"text":3112},{"id":3174,"depth":807,"text":3175},"The plugin shadows Fastify's built-in pino logger on `request.log` and emits one wide event from the onRequest, onResponse and onError hooks.","md",[3231],{"label":3169,"icon":3168,"to":3170,"color":3232,"variant":3233},"neutral","subtle",{},{"title":280,"icon":283},{"title":280,"description":3228},"avB3DF_ob8I_H-YvnHAJ5JtEI9WjdD-qHqohv0LAiX0",[3239,3241],{"title":275,"path":276,"stem":277,"description":3240,"icon":278,"children":-1},"One middleware puts a typed logger on `c.get('log')`, defers the event until a streamed body closes, and uses `waitUntil` where the runtime has it.",{"title":285,"path":286,"stem":287,"description":3242,"icon":288,"children":-1},"The plugin derives `log` into every route context, so an Elysia handler reads it as a parameter and the wide event closes with the response.",1789294031352]