[{"data":1,"prerenderedAt":3947},["ShallowReactive",2],{"navigation_docs":3,"-integrate-frameworks-nestjs":612,"-integrate-frameworks-nestjs-surround":3942},[4,35,85,148,328,489,548,587],{"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",[90,93,98,103,108,113,118,123,128,133,138,143],{"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},"logs","\u002Fcli\u002Flogs","3.cli\u002F10.logs","i-lucide-scroll-text",{"title":104,"path":105,"stem":106,"icon":107},"config","\u002Fcli\u002Fconfig","3.cli\u002F11.config","i-lucide-settings-2",{"title":109,"path":110,"stem":111,"icon":112},"map","\u002Fcli\u002Fmap","3.cli\u002F2.map","i-lucide-radar",{"title":114,"path":115,"stem":116,"icon":117},"Rules","\u002Fcli\u002Frules","3.cli\u002F3.rules","i-lucide-list-checks",{"title":119,"path":120,"stem":121,"icon":122},"Scoring","\u002Fcli\u002Fscoring","3.cli\u002F4.scoring","i-lucide-gauge",{"title":124,"path":125,"stem":126,"icon":127},"CI","\u002Fcli\u002Fci","3.cli\u002F5.ci","i-lucide-git-pull-request",{"title":129,"path":130,"stem":131,"icon":132},"doctor","\u002Fcli\u002Fdoctor","3.cli\u002F6.doctor","i-lucide-stethoscope",{"title":134,"path":135,"stem":136,"icon":137},"telemetry","\u002Fcli\u002Ftelemetry","3.cli\u002F7.telemetry","i-lucide-bar-chart-3",{"title":139,"path":140,"stem":141,"icon":142},"agents","\u002Fcli\u002Fagents","3.cli\u002F8.agents","i-lucide-bot",{"title":144,"path":145,"stem":146,"icon":147},"Observability Score","\u002Fcli\u002Fobservability-score","3.cli\u002F9.observability-score","i-lucide-activity",{"title":149,"path":150,"stem":151,"children":152,"page":34},"Integrate","\u002Fintegrate","4.integrate",[153,157,240],{"title":41,"path":154,"stem":155,"icon":156},"\u002Fintegrate\u002Foverview","4.integrate\u002F0.overview","i-lucide-plug",{"title":158,"path":159,"stem":160,"children":161,"page":34},"Adapters","\u002Fintegrate\u002Fadapters","4.integrate\u002Fadapters",[162,165,195,220],{"title":41,"path":163,"stem":164,"icon":44},"\u002Fintegrate\u002Fadapters\u002Foverview","4.integrate\u002Fadapters\u002F01.overview",{"title":166,"path":167,"stem":168,"children":169,"page":34},"Cloud","\u002Fintegrate\u002Fadapters\u002Fcloud","4.integrate\u002Fadapters\u002Fcloud",[170,175,180,185,190],{"title":171,"path":172,"stem":173,"icon":174},"Axiom","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Faxiom","4.integrate\u002Fadapters\u002Fcloud\u002F01.axiom","i-custom-axiom",{"title":176,"path":177,"stem":178,"icon":179},"PostHog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fposthog","4.integrate\u002Fadapters\u002Fcloud\u002F02.posthog","i-simple-icons-posthog",{"title":181,"path":182,"stem":183,"icon":184},"Sentry","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fsentry","4.integrate\u002Fadapters\u002Fcloud\u002F03.sentry","i-simple-icons-sentry",{"title":186,"path":187,"stem":188,"icon":189},"Better Stack","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fbetter-stack","4.integrate\u002Fadapters\u002Fcloud\u002F04.better-stack","i-simple-icons-betterstack",{"title":191,"path":192,"stem":193,"icon":194},"Datadog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fdatadog","4.integrate\u002Fadapters\u002Fcloud\u002F05.datadog","i-simple-icons-datadog",{"title":196,"path":197,"stem":198,"children":199,"page":34},"Cloud or Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fhybrid","4.integrate\u002Fadapters\u002Fhybrid",[200,205,210,215],{"title":201,"path":202,"stem":203,"icon":204},"Grafana Loki","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki","4.integrate\u002Fadapters\u002Fhybrid\u002F01.loki","i-simple-icons-grafana",{"title":206,"path":207,"stem":208,"icon":209},"ClickHouse","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fclickhouse","4.integrate\u002Fadapters\u002Fhybrid\u002F02.clickhouse","i-simple-icons-clickhouse",{"title":211,"path":212,"stem":213,"icon":214},"OTLP","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fotlp","4.integrate\u002Fadapters\u002Fhybrid\u002F03.otlp","i-simple-icons-opentelemetry",{"title":216,"path":217,"stem":218,"icon":219},"HyperDX","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fhyperdx","4.integrate\u002Fadapters\u002Fhybrid\u002F04.hyperdx","i-custom-hyperdx",{"title":221,"path":222,"stem":223,"children":224,"page":34},"Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fself-hosted","4.integrate\u002Fadapters\u002Fself-hosted",[225,230,235],{"title":226,"path":227,"stem":228,"icon":229},"File System","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs","4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs","i-lucide-hard-drive",{"title":231,"path":232,"stem":233,"icon":234},"NuxtHub","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fnuxthub","4.integrate\u002Fadapters\u002Fself-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":236,"path":237,"stem":238,"icon":239},"Memory","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fmemory","4.integrate\u002Fadapters\u002Fself-hosted\u002F03.memory","i-lucide-cpu",{"title":241,"path":242,"stem":243,"children":244,"page":34},"Frameworks","\u002Fintegrate\u002Fframeworks","4.integrate\u002Fframeworks",[245,249,254,259,264,269,274,279,284,289,294,299,304,309,313,318,323],{"title":41,"path":246,"stem":247,"icon":248},"\u002Fintegrate\u002Fframeworks\u002Foverview","4.integrate\u002Fframeworks\u002F00.overview","i-lucide-layout-grid",{"title":250,"path":251,"stem":252,"icon":253},"Nuxt","\u002Fintegrate\u002Fframeworks\u002Fnuxt","4.integrate\u002Fframeworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":255,"path":256,"stem":257,"icon":258},"Next.js","\u002Fintegrate\u002Fframeworks\u002Fnextjs","4.integrate\u002Fframeworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":260,"path":261,"stem":262,"icon":263},"SvelteKit","\u002Fintegrate\u002Fframeworks\u002Fsveltekit","4.integrate\u002Fframeworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":265,"path":266,"stem":267,"icon":268},"Nitro","\u002Fintegrate\u002Fframeworks\u002Fnitro","4.integrate\u002Fframeworks\u002F04.nitro","i-custom-nitro",{"title":270,"path":271,"stem":272,"icon":273},"TanStack Start","\u002Fintegrate\u002Fframeworks\u002Ftanstack-start","4.integrate\u002Fframeworks\u002F05.tanstack-start","i-custom-tanstack",{"title":275,"path":276,"stem":277,"icon":278},"NestJS","\u002Fintegrate\u002Fframeworks\u002Fnestjs","4.integrate\u002Fframeworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":280,"path":281,"stem":282,"icon":283},"Express","\u002Fintegrate\u002Fframeworks\u002Fexpress","4.integrate\u002Fframeworks\u002F07.express","i-simple-icons-express",{"title":285,"path":286,"stem":287,"icon":288},"Hono","\u002Fintegrate\u002Fframeworks\u002Fhono","4.integrate\u002Fframeworks\u002F08.hono","i-simple-icons-hono",{"title":290,"path":291,"stem":292,"icon":293},"Fastify","\u002Fintegrate\u002Fframeworks\u002Ffastify","4.integrate\u002Fframeworks\u002F09.fastify","i-simple-icons-fastify",{"title":295,"path":296,"stem":297,"icon":298},"Elysia","\u002Fintegrate\u002Fframeworks\u002Felysia","4.integrate\u002Fframeworks\u002F10.elysia","i-custom-elysia",{"title":300,"path":301,"stem":302,"icon":303},"React Router","\u002Fintegrate\u002Fframeworks\u002Freact-router","4.integrate\u002Fframeworks\u002F11.react-router","i-custom-reactrouter",{"title":305,"path":306,"stem":307,"icon":308},"Cloudflare Workers","\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers","4.integrate\u002Fframeworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":310,"path":311,"stem":312,"icon":79},"Standalone","\u002Fintegrate\u002Fframeworks\u002Fstandalone","4.integrate\u002Fframeworks\u002F13.standalone",{"title":314,"path":315,"stem":316,"icon":317},"Astro","\u002Fintegrate\u002Fframeworks\u002Fastro","4.integrate\u002Fframeworks\u002F14.astro","i-simple-icons-astro",{"title":319,"path":320,"stem":321,"icon":322},"oRPC","\u002Fintegrate\u002Fframeworks\u002Forpc","4.integrate\u002Fframeworks\u002F15.orpc","i-lucide-network",{"title":324,"path":325,"stem":326,"icon":327},"AWS Lambda","\u002Fintegrate\u002Fframeworks\u002Faws-lambda","4.integrate\u002Fframeworks\u002F16.aws-lambda","i-custom-lambda",{"title":329,"path":330,"stem":331,"children":332,"page":34},"Use Cases","\u002Fuse-cases","5.use-cases",[333,336,341,369,396,428,449,454,459,463],{"title":41,"path":334,"stem":335,"icon":117},"\u002Fuse-cases\u002Foverview","5.use-cases\u002F0.overview",{"title":337,"path":338,"stem":339,"icon":340},"Client Logging","\u002Fuse-cases\u002Fclient-logging","5.use-cases\u002F1.client-logging","i-lucide-monitor",{"title":342,"icon":343,"path":344,"stem":345,"children":346,"page":34},"AI SDK","i-simple-icons-vercel","\u002Fuse-cases\u002Fai-sdk","5.use-cases\u002F2.ai-sdk",[347,350,355,360,365],{"title":41,"path":348,"stem":349,"icon":44},"\u002Fuse-cases\u002Fai-sdk\u002Foverview","5.use-cases\u002F2.ai-sdk\u002F01.overview",{"title":351,"path":352,"stem":353,"icon":354},"Usage","\u002Fuse-cases\u002Fai-sdk\u002Fusage","5.use-cases\u002F2.ai-sdk\u002F02.usage","i-lucide-code",{"title":356,"path":357,"stem":358,"icon":359},"Options","\u002Fuse-cases\u002Fai-sdk\u002Foptions","5.use-cases\u002F2.ai-sdk\u002F03.options","i-lucide-sliders",{"title":361,"path":362,"stem":363,"icon":364},"Metadata","\u002Fuse-cases\u002Fai-sdk\u002Fmetadata","5.use-cases\u002F2.ai-sdk\u002F04.metadata","i-lucide-database",{"title":366,"path":367,"stem":368,"icon":147},"Telemetry","\u002Fuse-cases\u002Fai-sdk\u002Ftelemetry","5.use-cases\u002F2.ai-sdk\u002F05.telemetry",{"title":370,"icon":371,"path":372,"stem":373,"children":374,"page":34},"Better Auth","i-simple-icons-betterauth","\u002Fuse-cases\u002Fbetter-auth","5.use-cases\u002F3.better-auth",[375,378,383,388,392],{"title":41,"path":376,"stem":377,"icon":44},"\u002Fuse-cases\u002Fbetter-auth\u002Foverview","5.use-cases\u002F3.better-auth\u002F01.overview",{"title":379,"path":380,"stem":381,"icon":382},"Identify User","\u002Fuse-cases\u002Fbetter-auth\u002Fidentify-user","5.use-cases\u002F3.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":384,"path":385,"stem":386,"icon":387},"Middleware","\u002Fuse-cases\u002Fbetter-auth\u002Fmiddleware","5.use-cases\u002F3.better-auth\u002F03.middleware","i-lucide-shield",{"title":389,"path":390,"stem":391,"icon":340},"Client Sync","\u002Fuse-cases\u002Fbetter-auth\u002Fclient-sync","5.use-cases\u002F3.better-auth\u002F04.client-sync",{"title":393,"path":394,"stem":395,"icon":122},"Performance","\u002Fuse-cases\u002Fbetter-auth\u002Fperformance","5.use-cases\u002F3.better-auth\u002F05.performance",{"title":397,"icon":398,"path":399,"stem":400,"children":401,"page":34},"Audit Logs","i-lucide-shield-check","\u002Fuse-cases\u002Faudit","5.use-cases\u002F4.audit",[402,405,410,415,420,424],{"title":41,"path":403,"stem":404,"icon":44},"\u002Fuse-cases\u002Faudit\u002Foverview","5.use-cases\u002F4.audit\u002F01.overview",{"title":406,"path":407,"stem":408,"icon":409},"Schema","\u002Fuse-cases\u002Faudit\u002Fschema","5.use-cases\u002F4.audit\u002F02.schema","i-lucide-file-text",{"title":411,"path":412,"stem":413,"icon":414},"Recording","\u002Fuse-cases\u002Faudit\u002Frecording","5.use-cases\u002F4.audit\u002F03.recording","i-lucide-pen-line",{"title":416,"path":417,"stem":418,"icon":419},"Drains","\u002Fuse-cases\u002Faudit\u002Fpipeline","5.use-cases\u002F4.audit\u002F04.pipeline","i-lucide-link",{"title":421,"path":422,"stem":423,"icon":398},"Compliance","\u002Fuse-cases\u002Faudit\u002Fcompliance","5.use-cases\u002F4.audit\u002F05.compliance",{"title":425,"path":426,"stem":427,"icon":84},"Recipes","\u002Fuse-cases\u002Faudit\u002Frecipes","5.use-cases\u002F4.audit\u002F06.recipes",{"title":366,"icon":122,"path":429,"stem":430,"children":431,"page":34},"\u002Fuse-cases\u002Ftelemetry","5.use-cases\u002F4.telemetry",[432,435,440,445],{"title":41,"path":433,"stem":434,"icon":44},"\u002Fuse-cases\u002Ftelemetry\u002Foverview","5.use-cases\u002F4.telemetry\u002F01.overview",{"title":436,"path":437,"stem":438,"icon":439},"Setup","\u002Fuse-cases\u002Ftelemetry\u002Fsetup","5.use-cases\u002F4.telemetry\u002F02.setup","i-lucide-wrench",{"title":441,"path":442,"stem":443,"icon":444},"Ingest","\u002Fuse-cases\u002Ftelemetry\u002Fingest","5.use-cases\u002F4.telemetry\u002F03.ingest","i-lucide-server",{"title":446,"path":447,"stem":448,"icon":84},"Reference","\u002Fuse-cases\u002Ftelemetry\u002Freference","5.use-cases\u002F4.telemetry\u002F04.reference",{"title":450,"path":451,"stem":452,"icon":453},"Enrichers","\u002Fuse-cases\u002Fenrichers","5.use-cases\u002F5.enrichers","i-lucide-sparkles",{"title":455,"path":456,"stem":457,"icon":458},"eve","\u002Fuse-cases\u002Feve","5.use-cases\u002F5.eve","i-custom-eve",{"title":460,"path":461,"stem":462,"icon":444},"Node.js request logging","\u002Fuse-cases\u002Fstructured-logging-nodejs","5.use-cases\u002F6.structured-logging-nodejs",{"title":464,"icon":465,"path":466,"stem":467,"children":468,"page":34},"Signals","i-lucide-scan-search","\u002Fuse-cases\u002Fsignals","5.use-cases\u002F7.signals",[469,472,477,482,485],{"title":41,"path":470,"stem":471,"icon":44},"\u002Fuse-cases\u002Fsignals\u002Foverview","5.use-cases\u002F7.signals\u002F01.overview",{"title":473,"path":474,"stem":475,"icon":476},"What You Can Ask","\u002Fuse-cases\u002Fsignals\u002Fask","5.use-cases\u002F7.signals\u002F02.ask","i-lucide-message-circle-question",{"title":478,"path":479,"stem":480,"icon":481},"What It Costs","\u002Fuse-cases\u002Fsignals\u002Fcost","5.use-cases\u002F7.signals\u002F03.cost","i-lucide-coins",{"title":446,"path":483,"stem":484,"icon":84},"\u002Fuse-cases\u002Fsignals\u002Freference","5.use-cases\u002F7.signals\u002F04.reference",{"title":425,"path":486,"stem":487,"icon":488},"\u002Fuse-cases\u002Fsignals\u002Frecipes","5.use-cases\u002F7.signals\u002F05.recipes","i-lucide-lightbulb",{"title":490,"path":491,"stem":492,"children":493,"page":34},"Extend","\u002Fextend","6.extend",[494,498,503,508,512,517,521,525,529,533,538,543],{"title":41,"path":495,"stem":496,"icon":497},"\u002Fextend\u002Foverview","6.extend\u002F0.overview","i-lucide-blocks",{"title":499,"path":500,"stem":501,"icon":502},"Stream","\u002Fextend\u002Fstream","6.extend\u002F1.stream","i-lucide-radio-tower",{"title":504,"path":505,"stem":506,"icon":507},"Custom framework","\u002Fextend\u002Fcustom-framework","6.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":509,"path":510,"stem":511,"icon":502},"Diagnostics channel","\u002Fextend\u002Fdiagnostics-channel","6.extend\u002F11.diagnostics-channel",{"title":513,"path":514,"stem":515,"icon":516},"FS reader","\u002Fextend\u002Ffs-reader","6.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":425,"path":518,"stem":519,"icon":520},"\u002Fextend\u002Fconsumer-recipes","6.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":522,"path":523,"stem":524,"icon":497},"Plugins","\u002Fextend\u002Fplugins","6.extend\u002F4.plugins",{"title":526,"path":527,"stem":528,"icon":453},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","6.extend\u002F5.custom-enrichers",{"title":530,"path":531,"stem":532,"icon":69},"Tail sampling","\u002Fextend\u002Ftail-sampling","6.extend\u002F6.tail-sampling",{"title":534,"path":535,"stem":536,"icon":537},"Identity headers","\u002Fextend\u002Fidentity-headers","6.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":539,"path":540,"stem":541,"icon":542},"Custom drains","\u002Fextend\u002Fcustom-drains","6.extend\u002F8.custom-drains","i-lucide-share-2",{"title":544,"path":545,"stem":546,"icon":547},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","6.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":446,"path":549,"stem":550,"children":551,"page":34},"\u002Freference","7.reference",[552,556,561,564,569,573,578,582],{"title":41,"path":553,"stem":554,"icon":555},"\u002Freference\u002Foverview","7.reference\u002F0.overview","i-lucide-book-marked",{"title":557,"path":558,"stem":559,"icon":560},"Configuration","\u002Freference\u002Fconfiguration","7.reference\u002F1.configuration","i-lucide-settings",{"title":393,"path":562,"stem":563,"icon":122},"\u002Freference\u002Fperformance","7.reference\u002F2.performance",{"title":565,"path":566,"stem":567,"icon":568},"Vite Plugin","\u002Freference\u002Fvite-plugin","7.reference\u002F3.vite-plugin","i-custom-vite",{"title":570,"path":571,"stem":572,"icon":398},"Best Practices","\u002Freference\u002Fbest-practices","7.reference\u002F4.best-practices",{"title":574,"path":575,"stem":576,"icon":577},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","7.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":579,"path":580,"stem":581,"icon":453},"Agent Skills","\u002Freference\u002Fagent-skills","7.reference\u002F6.agent-skills",{"title":583,"path":584,"stem":585,"icon":586},"Cost","\u002Freference\u002Fcost","7.reference\u002F7.cost","i-lucide-receipt",{"title":588,"path":589,"stem":590,"children":591,"page":34},"Compare","\u002Fcompare","8.compare",[592,596,600,604,608],{"title":593,"path":594,"stem":595,"icon":577},"evlog vs Pino","\u002Fcompare\u002Fpino","8.compare\u002F1.pino",{"title":597,"path":598,"stem":599,"icon":214},"evlog vs OpenTelemetry","\u002Fcompare\u002Fopentelemetry","8.compare\u002F2.opentelemetry",{"title":601,"path":602,"stem":603,"icon":577},"evlog vs LogTape","\u002Fcompare\u002Flogtape","8.compare\u002F3.logtape",{"title":605,"path":606,"stem":607,"icon":577},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","8.compare\u002F4.winston",{"title":609,"path":610,"stem":611,"icon":577},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":613,"title":275,"body":614,"description":3932,"extension":3933,"links":3934,"meta":3938,"navigation":3939,"path":276,"seo":3940,"stem":277,"__hash__":3941},"docs\u002F4.integrate\u002Fframeworks\u002F06.nestjs.md",{"type":615,"value":616,"toc":3911},"minimark",[617,638,682,686,691,789,793,937,941,1112,1117,1120,1123,1519,1522,1586,1589,1595,1782,1886,1902,1909,1923,2083,2087,2105,2501,2504,2738,2741,2788,2791,2801,2805,2810,3050,3054,3064,3325,3329,3336,3524,3537,3541,3547,3649,3653,3663,3803,3807,3849,3857,3867,3871,3878,3907],[618,619,620,621,625,626,629,630,633,634,637],"p",{},"The ",[622,623,624],"code",{},"evlog\u002Fnestjs"," module provides ",[622,627,628],{},"EvlogModule.forRoot()"," which registers a global middleware, creating a request-scoped logger accessible via ",[622,631,632],{},"useLogger()"," or ",[622,635,636],{},"req.log",", emitting a wide event when the response completes.",[639,640,643,646,668],"prompt",{":actions":641,"description":642,"icon":278},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my NestJS app",[618,644,645],{},"Set up evlog in my NestJS app.",[647,648,649,653,656,659,662,665],"ul",{},[650,651,652],"li",{},"Install evlog: pnpm add evlog",[650,654,655],{},"Import EvlogModule from 'evlog\u002Fnestjs' and add EvlogModule.forRoot() to AppModule imports",[650,657,658],{},"The global middleware auto-creates a request-scoped logger for every request",[650,660,661],{},"Use useLogger() in any controller or service to access the logger",[650,663,664],{},"Use log.set() to accumulate context, throw createError() for structured errors",[650,666,667],{},"Optionally pass drain, enrich, and keep callbacks to forRoot()",[618,669,670,671,677,678],{},"Docs: ",[672,673,674],"a",{"href":674,"rel":675},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Fnestjs",[676],"nofollow","\nAdapters: ",[672,679,680],{"href":680,"rel":681},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[676],[683,684,25],"h2",{"id":685},"quick-start",[687,688,690],"h3",{"id":689},"_1-install","1. Install",[692,693,694,728,748,768],"code-group",{},[695,696,702],"pre",{"className":697,"code":698,"filename":699,"language":700,"meta":701,"style":701},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","pnpm","bash","",[622,703,704],{"__ignoreMap":701},[705,706,709,712,716,719,722,725],"span",{"class":707,"line":708},"line",1,[705,710,699],{"class":711},"sBMFI",[705,713,715],{"class":714},"sfazB"," add",[705,717,718],{"class":714}," evlog",[705,720,721],{"class":714}," @nestjs\u002Fcommon",[705,723,724],{"class":714}," @nestjs\u002Fcore",[705,726,727],{"class":714}," @nestjs\u002Fplatform-express\n",[695,729,732],{"className":697,"code":730,"filename":731,"language":700,"meta":701,"style":701},"bun add evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","bun",[622,733,734],{"__ignoreMap":701},[705,735,736,738,740,742,744,746],{"class":707,"line":708},[705,737,731],{"class":711},[705,739,715],{"class":714},[705,741,718],{"class":714},[705,743,721],{"class":714},[705,745,724],{"class":714},[705,747,727],{"class":714},[695,749,752],{"className":697,"code":750,"filename":751,"language":700,"meta":701,"style":701},"yarn add evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","yarn",[622,753,754],{"__ignoreMap":701},[705,755,756,758,760,762,764,766],{"class":707,"line":708},[705,757,751],{"class":711},[705,759,715],{"class":714},[705,761,718],{"class":714},[705,763,721],{"class":714},[705,765,724],{"class":714},[705,767,727],{"class":714},[695,769,772],{"className":697,"code":770,"filename":771,"language":700,"meta":701,"style":701},"npm install evlog @nestjs\u002Fcommon @nestjs\u002Fcore @nestjs\u002Fplatform-express\n","npm",[622,773,774],{"__ignoreMap":701},[705,775,776,778,781,783,785,787],{"class":707,"line":708},[705,777,771],{"class":711},[705,779,780],{"class":714}," install",[705,782,718],{"class":714},[705,784,721],{"class":714},[705,786,724],{"class":714},[705,788,727],{"class":714},[687,790,792],{"id":791},"_2-register-the-module","2. Register the module",[695,794,799],{"className":795,"code":796,"filename":797,"language":798,"meta":701,"style":701},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { Module } from '@nestjs\u002Fcommon'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\n\n@Module({\n  imports: [\n    EvlogModule.forRoot(),\n  ],\n})\nexport class AppModule {}\n","src\u002Fapp.module.ts","typescript",[622,800,801,830,850,857,873,886,904,912,921],{"__ignoreMap":701},[705,802,803,807,811,815,818,821,824,827],{"class":707,"line":708},[705,804,806],{"class":805},"s7zQu","import",[705,808,810],{"class":809},"sMK4o"," {",[705,812,814],{"class":813},"sTEyZ"," Module",[705,816,817],{"class":809}," }",[705,819,820],{"class":805}," from",[705,822,823],{"class":809}," '",[705,825,826],{"class":714},"@nestjs\u002Fcommon",[705,828,829],{"class":809},"'\n",[705,831,833,835,837,840,842,844,846,848],{"class":707,"line":832},2,[705,834,806],{"class":805},[705,836,810],{"class":809},[705,838,839],{"class":813}," EvlogModule",[705,841,817],{"class":809},[705,843,820],{"class":805},[705,845,823],{"class":809},[705,847,624],{"class":714},[705,849,829],{"class":809},[705,851,853],{"class":707,"line":852},3,[705,854,856],{"emptyLinePlaceholder":855},true,"\n",[705,858,860,863,867,870],{"class":707,"line":859},4,[705,861,862],{"class":809},"@",[705,864,866],{"class":865},"s2Zo4","Module",[705,868,869],{"class":813},"(",[705,871,872],{"class":809},"{\n",[705,874,876,880,883],{"class":707,"line":875},5,[705,877,879],{"class":878},"swJcz","  imports",[705,881,882],{"class":809},":",[705,884,885],{"class":813}," [\n",[705,887,889,892,895,898,901],{"class":707,"line":888},6,[705,890,891],{"class":813},"    EvlogModule",[705,893,894],{"class":809},".",[705,896,897],{"class":865},"forRoot",[705,899,900],{"class":813},"()",[705,902,903],{"class":809},",\n",[705,905,907,910],{"class":707,"line":906},7,[705,908,909],{"class":813},"  ]",[705,911,903],{"class":809},[705,913,915,918],{"class":707,"line":914},8,[705,916,917],{"class":809},"}",[705,919,920],{"class":813},")\n",[705,922,924,927,931,934],{"class":707,"line":923},9,[705,925,926],{"class":805},"export",[705,928,930],{"class":929},"spNyl"," class",[705,932,933],{"class":711}," AppModule",[705,935,936],{"class":809}," {}\n",[687,938,940],{"id":939},"_3-bootstrap-with-evlog","3. Bootstrap with evlog",[695,942,945],{"className":795,"code":943,"filename":944,"language":798,"meta":701,"style":701},"import 'reflect-metadata'\nimport { NestFactory } from '@nestjs\u002Fcore'\nimport { initLogger } from 'evlog'\nimport { AppModule } from '.\u002Fapp.module'\n\ninitLogger({\n  env: { service: 'my-api' },\n})\n\nconst app = await NestFactory.create(AppModule)\nawait app.listen(3000)\n","src\u002Fmain.ts",[622,946,947,958,978,998,1017,1021,1030,1055,1061,1065,1090],{"__ignoreMap":701},[705,948,949,951,953,956],{"class":707,"line":708},[705,950,806],{"class":805},[705,952,823],{"class":809},[705,954,955],{"class":714},"reflect-metadata",[705,957,829],{"class":809},[705,959,960,962,964,967,969,971,973,976],{"class":707,"line":832},[705,961,806],{"class":805},[705,963,810],{"class":809},[705,965,966],{"class":813}," NestFactory",[705,968,817],{"class":809},[705,970,820],{"class":805},[705,972,823],{"class":809},[705,974,975],{"class":714},"@nestjs\u002Fcore",[705,977,829],{"class":809},[705,979,980,982,984,987,989,991,993,996],{"class":707,"line":852},[705,981,806],{"class":805},[705,983,810],{"class":809},[705,985,986],{"class":813}," initLogger",[705,988,817],{"class":809},[705,990,820],{"class":805},[705,992,823],{"class":809},[705,994,995],{"class":714},"evlog",[705,997,829],{"class":809},[705,999,1000,1002,1004,1006,1008,1010,1012,1015],{"class":707,"line":859},[705,1001,806],{"class":805},[705,1003,810],{"class":809},[705,1005,933],{"class":813},[705,1007,817],{"class":809},[705,1009,820],{"class":805},[705,1011,823],{"class":809},[705,1013,1014],{"class":714},".\u002Fapp.module",[705,1016,829],{"class":809},[705,1018,1019],{"class":707,"line":875},[705,1020,856],{"emptyLinePlaceholder":855},[705,1022,1023,1026,1028],{"class":707,"line":888},[705,1024,1025],{"class":865},"initLogger",[705,1027,869],{"class":813},[705,1029,872],{"class":809},[705,1031,1032,1035,1037,1039,1042,1044,1046,1049,1052],{"class":707,"line":906},[705,1033,1034],{"class":878},"  env",[705,1036,882],{"class":809},[705,1038,810],{"class":809},[705,1040,1041],{"class":878}," service",[705,1043,882],{"class":809},[705,1045,823],{"class":809},[705,1047,1048],{"class":714},"my-api",[705,1050,1051],{"class":809},"'",[705,1053,1054],{"class":809}," },\n",[705,1056,1057,1059],{"class":707,"line":914},[705,1058,917],{"class":809},[705,1060,920],{"class":813},[705,1062,1063],{"class":707,"line":923},[705,1064,856],{"emptyLinePlaceholder":855},[705,1066,1068,1071,1074,1077,1080,1082,1084,1087],{"class":707,"line":1067},10,[705,1069,1070],{"class":929},"const",[705,1072,1073],{"class":813}," app ",[705,1075,1076],{"class":809},"=",[705,1078,1079],{"class":805}," await",[705,1081,966],{"class":813},[705,1083,894],{"class":809},[705,1085,1086],{"class":865},"create",[705,1088,1089],{"class":813},"(AppModule)\n",[705,1091,1093,1096,1099,1101,1104,1106,1110],{"class":707,"line":1092},11,[705,1094,1095],{"class":805},"await",[705,1097,1098],{"class":813}," app",[705,1100,894],{"class":809},[705,1102,1103],{"class":865},"listen",[705,1105,869],{"class":813},[705,1107,1109],{"class":1108},"sbssI","3000",[705,1111,920],{"class":813},[618,1113,1114,1116],{},[622,1115,628],{}," registers as a global module, so the middleware is automatically applied to all routes.",[683,1118,51],{"id":1119},"wide-events",[618,1121,1122],{},"Build up context progressively through your controllers and services. One request = one wide event:",[695,1124,1127],{"className":795,"code":1125,"filename":1126,"language":798,"meta":701,"style":701},"import { Controller, Get, Param } from '@nestjs\u002Fcommon'\nimport { useLogger } from 'evlog\u002Fnestjs'\n\n@Controller('users')\nexport class UsersController {\n  @Get(':id')\n  async findOne(@Param('id') id: string) {\n    const log = useLogger()\n\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    const orders = await db.findOrders(id)\n    log.set({ orders: { count: orders.length, totalRevenue: sum(orders) } })\n\n    return { user, orders }\n  }\n}\n","src\u002Fusers.controller.ts",[622,1128,1129,1159,1178,1182,1200,1212,1231,1270,1286,1290,1321,1325,1350,1401,1406,1431,1485,1490,1507,1513],{"__ignoreMap":701},[705,1130,1131,1133,1135,1138,1141,1144,1146,1149,1151,1153,1155,1157],{"class":707,"line":708},[705,1132,806],{"class":805},[705,1134,810],{"class":809},[705,1136,1137],{"class":813}," Controller",[705,1139,1140],{"class":809},",",[705,1142,1143],{"class":813}," Get",[705,1145,1140],{"class":809},[705,1147,1148],{"class":813}," Param",[705,1150,817],{"class":809},[705,1152,820],{"class":805},[705,1154,823],{"class":809},[705,1156,826],{"class":714},[705,1158,829],{"class":809},[705,1160,1161,1163,1165,1168,1170,1172,1174,1176],{"class":707,"line":832},[705,1162,806],{"class":805},[705,1164,810],{"class":809},[705,1166,1167],{"class":813}," useLogger",[705,1169,817],{"class":809},[705,1171,820],{"class":805},[705,1173,823],{"class":809},[705,1175,624],{"class":714},[705,1177,829],{"class":809},[705,1179,1180],{"class":707,"line":852},[705,1181,856],{"emptyLinePlaceholder":855},[705,1183,1184,1186,1189,1191,1193,1196,1198],{"class":707,"line":859},[705,1185,862],{"class":809},[705,1187,1188],{"class":865},"Controller",[705,1190,869],{"class":813},[705,1192,1051],{"class":809},[705,1194,1195],{"class":714},"users",[705,1197,1051],{"class":809},[705,1199,920],{"class":813},[705,1201,1202,1204,1206,1209],{"class":707,"line":875},[705,1203,926],{"class":805},[705,1205,930],{"class":929},[705,1207,1208],{"class":711}," UsersController",[705,1210,1211],{"class":809}," {\n",[705,1213,1214,1217,1220,1222,1224,1227,1229],{"class":707,"line":888},[705,1215,1216],{"class":809},"  @",[705,1218,1219],{"class":865},"Get",[705,1221,869],{"class":813},[705,1223,1051],{"class":809},[705,1225,1226],{"class":714},":id",[705,1228,1051],{"class":809},[705,1230,920],{"class":813},[705,1232,1233,1236,1239,1242,1245,1247,1249,1252,1254,1257,1260,1262,1265,1268],{"class":707,"line":906},[705,1234,1235],{"class":929},"  async",[705,1237,1238],{"class":878}," findOne",[705,1240,1241],{"class":809},"(@",[705,1243,1244],{"class":865},"Param",[705,1246,869],{"class":813},[705,1248,1051],{"class":809},[705,1250,1251],{"class":714},"id",[705,1253,1051],{"class":809},[705,1255,1256],{"class":813},") ",[705,1258,1251],{"class":1259},"sHdIc",[705,1261,882],{"class":809},[705,1263,1264],{"class":711}," string",[705,1266,1267],{"class":809},")",[705,1269,1211],{"class":809},[705,1271,1272,1275,1278,1281,1283],{"class":707,"line":914},[705,1273,1274],{"class":929},"    const",[705,1276,1277],{"class":813}," log",[705,1279,1280],{"class":809}," =",[705,1282,1167],{"class":865},[705,1284,1285],{"class":878},"()\n",[705,1287,1288],{"class":707,"line":923},[705,1289,856],{"emptyLinePlaceholder":855},[705,1291,1292,1295,1297,1300,1302,1305,1308,1310,1312,1315,1317,1319],{"class":707,"line":1067},[705,1293,1294],{"class":813},"    log",[705,1296,894],{"class":809},[705,1298,1299],{"class":865},"set",[705,1301,869],{"class":878},[705,1303,1304],{"class":809},"{",[705,1306,1307],{"class":878}," user",[705,1309,882],{"class":809},[705,1311,810],{"class":809},[705,1313,1314],{"class":813}," id",[705,1316,817],{"class":809},[705,1318,817],{"class":809},[705,1320,920],{"class":878},[705,1322,1323],{"class":707,"line":1092},[705,1324,856],{"emptyLinePlaceholder":855},[705,1326,1328,1330,1332,1334,1336,1339,1341,1344,1346,1348],{"class":707,"line":1327},12,[705,1329,1274],{"class":929},[705,1331,1307],{"class":813},[705,1333,1280],{"class":809},[705,1335,1079],{"class":805},[705,1337,1338],{"class":813}," db",[705,1340,894],{"class":809},[705,1342,1343],{"class":865},"findUser",[705,1345,869],{"class":878},[705,1347,1251],{"class":813},[705,1349,920],{"class":878},[705,1351,1353,1355,1357,1359,1361,1363,1365,1367,1369,1372,1374,1376,1378,1381,1383,1386,1388,1390,1392,1395,1397,1399],{"class":707,"line":1352},13,[705,1354,1294],{"class":813},[705,1356,894],{"class":809},[705,1358,1299],{"class":865},[705,1360,869],{"class":878},[705,1362,1304],{"class":809},[705,1364,1307],{"class":878},[705,1366,882],{"class":809},[705,1368,810],{"class":809},[705,1370,1371],{"class":878}," name",[705,1373,882],{"class":809},[705,1375,1307],{"class":813},[705,1377,894],{"class":809},[705,1379,1380],{"class":813},"name",[705,1382,1140],{"class":809},[705,1384,1385],{"class":878}," plan",[705,1387,882],{"class":809},[705,1389,1307],{"class":813},[705,1391,894],{"class":809},[705,1393,1394],{"class":813},"plan",[705,1396,817],{"class":809},[705,1398,817],{"class":809},[705,1400,920],{"class":878},[705,1402,1404],{"class":707,"line":1403},14,[705,1405,856],{"emptyLinePlaceholder":855},[705,1407,1409,1411,1414,1416,1418,1420,1422,1425,1427,1429],{"class":707,"line":1408},15,[705,1410,1274],{"class":929},[705,1412,1413],{"class":813}," orders",[705,1415,1280],{"class":809},[705,1417,1079],{"class":805},[705,1419,1338],{"class":813},[705,1421,894],{"class":809},[705,1423,1424],{"class":865},"findOrders",[705,1426,869],{"class":878},[705,1428,1251],{"class":813},[705,1430,920],{"class":878},[705,1432,1434,1436,1438,1440,1442,1444,1446,1448,1450,1453,1455,1457,1459,1462,1464,1467,1469,1472,1474,1477,1479,1481,1483],{"class":707,"line":1433},16,[705,1435,1294],{"class":813},[705,1437,894],{"class":809},[705,1439,1299],{"class":865},[705,1441,869],{"class":878},[705,1443,1304],{"class":809},[705,1445,1413],{"class":878},[705,1447,882],{"class":809},[705,1449,810],{"class":809},[705,1451,1452],{"class":878}," count",[705,1454,882],{"class":809},[705,1456,1413],{"class":813},[705,1458,894],{"class":809},[705,1460,1461],{"class":813},"length",[705,1463,1140],{"class":809},[705,1465,1466],{"class":878}," totalRevenue",[705,1468,882],{"class":809},[705,1470,1471],{"class":865}," sum",[705,1473,869],{"class":878},[705,1475,1476],{"class":813},"orders",[705,1478,1256],{"class":878},[705,1480,917],{"class":809},[705,1482,817],{"class":809},[705,1484,920],{"class":878},[705,1486,1488],{"class":707,"line":1487},17,[705,1489,856],{"emptyLinePlaceholder":855},[705,1491,1493,1496,1498,1500,1502,1504],{"class":707,"line":1492},18,[705,1494,1495],{"class":805},"    return",[705,1497,810],{"class":809},[705,1499,1307],{"class":813},[705,1501,1140],{"class":809},[705,1503,1413],{"class":813},[705,1505,1506],{"class":809}," }\n",[705,1508,1510],{"class":707,"line":1509},19,[705,1511,1512],{"class":809},"  }\n",[705,1514,1516],{"class":707,"line":1515},20,[705,1517,1518],{"class":809},"}\n",[618,1520,1521],{},"All fields are merged into a single wide event emitted when the request completes:",[695,1523,1526],{"className":697,"code":1524,"filename":1525,"language":700,"meta":701,"style":701},"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",[622,1527,1528,1539,1559,1575],{"__ignoreMap":701},[705,1529,1530,1533,1536],{"class":707,"line":708},[705,1531,1532],{"class":711},"14:58:15",[705,1534,1535],{"class":714}," INFO",[705,1537,1538],{"class":813}," [my-api] GET \u002Fusers\u002Fusr_123 200 in 12ms\n",[705,1540,1541,1544,1547,1550,1553,1556],{"class":707,"line":832},[705,1542,1543],{"class":711},"  ├─",[705,1545,1546],{"class":714}," orders:",[705,1548,1549],{"class":714}," count=",[705,1551,1552],{"class":1108},"2",[705,1554,1555],{"class":714}," totalRevenue=",[705,1557,1558],{"class":1108},"6298\n",[705,1560,1561,1563,1566,1569,1572],{"class":707,"line":852},[705,1562,1543],{"class":711},[705,1564,1565],{"class":714}," user:",[705,1567,1568],{"class":714}," id=usr_123",[705,1570,1571],{"class":714}," name=Alice",[705,1573,1574],{"class":714}," plan=pro\n",[705,1576,1577,1580,1583],{"class":707,"line":859},[705,1578,1579],{"class":711},"  └─",[705,1581,1582],{"class":714}," requestId:",[705,1584,1585],{"class":714}," 4a8ff3a8-...\n",[683,1587,632],{"id":1588},"uselogger",[618,1590,1591,1592,1594],{},"Use ",[622,1593,632],{}," to access the request-scoped logger from anywhere in the call stack without injecting the request object through your service layer:",[695,1596,1599],{"className":795,"code":1597,"filename":1598,"language":798,"meta":701,"style":701},"import { useLogger } from 'evlog\u002Fnestjs'\n\nexport class UsersService {\n  async 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}\n","src\u002Fusers.service.ts",[622,1600,1601,1619,1623,1634,1653,1665,1691,1695,1717,1763,1767,1774,1778],{"__ignoreMap":701},[705,1602,1603,1605,1607,1609,1611,1613,1615,1617],{"class":707,"line":708},[705,1604,806],{"class":805},[705,1606,810],{"class":809},[705,1608,1167],{"class":813},[705,1610,817],{"class":809},[705,1612,820],{"class":805},[705,1614,823],{"class":809},[705,1616,624],{"class":714},[705,1618,829],{"class":809},[705,1620,1621],{"class":707,"line":832},[705,1622,856],{"emptyLinePlaceholder":855},[705,1624,1625,1627,1629,1632],{"class":707,"line":852},[705,1626,926],{"class":805},[705,1628,930],{"class":929},[705,1630,1631],{"class":711}," UsersService",[705,1633,1211],{"class":809},[705,1635,1636,1638,1641,1643,1645,1647,1649,1651],{"class":707,"line":859},[705,1637,1235],{"class":929},[705,1639,1640],{"class":878}," findUser",[705,1642,869],{"class":809},[705,1644,1251],{"class":1259},[705,1646,882],{"class":809},[705,1648,1264],{"class":711},[705,1650,1267],{"class":809},[705,1652,1211],{"class":809},[705,1654,1655,1657,1659,1661,1663],{"class":707,"line":875},[705,1656,1274],{"class":929},[705,1658,1277],{"class":813},[705,1660,1280],{"class":809},[705,1662,1167],{"class":865},[705,1664,1285],{"class":878},[705,1666,1667,1669,1671,1673,1675,1677,1679,1681,1683,1685,1687,1689],{"class":707,"line":888},[705,1668,1294],{"class":813},[705,1670,894],{"class":809},[705,1672,1299],{"class":865},[705,1674,869],{"class":878},[705,1676,1304],{"class":809},[705,1678,1307],{"class":878},[705,1680,882],{"class":809},[705,1682,810],{"class":809},[705,1684,1314],{"class":813},[705,1686,817],{"class":809},[705,1688,817],{"class":809},[705,1690,920],{"class":878},[705,1692,1693],{"class":707,"line":906},[705,1694,856],{"emptyLinePlaceholder":855},[705,1696,1697,1699,1701,1703,1705,1707,1709,1711,1713,1715],{"class":707,"line":914},[705,1698,1274],{"class":929},[705,1700,1307],{"class":813},[705,1702,1280],{"class":809},[705,1704,1079],{"class":805},[705,1706,1338],{"class":813},[705,1708,894],{"class":809},[705,1710,1343],{"class":865},[705,1712,869],{"class":878},[705,1714,1251],{"class":813},[705,1716,920],{"class":878},[705,1718,1719,1721,1723,1725,1727,1729,1731,1733,1735,1737,1739,1741,1743,1745,1747,1749,1751,1753,1755,1757,1759,1761],{"class":707,"line":923},[705,1720,1294],{"class":813},[705,1722,894],{"class":809},[705,1724,1299],{"class":865},[705,1726,869],{"class":878},[705,1728,1304],{"class":809},[705,1730,1307],{"class":878},[705,1732,882],{"class":809},[705,1734,810],{"class":809},[705,1736,1371],{"class":878},[705,1738,882],{"class":809},[705,1740,1307],{"class":813},[705,1742,894],{"class":809},[705,1744,1380],{"class":813},[705,1746,1140],{"class":809},[705,1748,1385],{"class":878},[705,1750,882],{"class":809},[705,1752,1307],{"class":813},[705,1754,894],{"class":809},[705,1756,1394],{"class":813},[705,1758,817],{"class":809},[705,1760,817],{"class":809},[705,1762,920],{"class":878},[705,1764,1765],{"class":707,"line":1067},[705,1766,856],{"emptyLinePlaceholder":855},[705,1768,1769,1771],{"class":707,"line":1092},[705,1770,1495],{"class":805},[705,1772,1773],{"class":813}," user\n",[705,1775,1776],{"class":707,"line":1327},[705,1777,1512],{"class":809},[705,1779,1780],{"class":707,"line":1352},[705,1781,1518],{"class":809},[695,1783,1785],{"className":795,"code":1784,"filename":1126,"language":798,"meta":701,"style":701},"@Controller('users')\nexport class UsersController {\n  @Get(':id')\n  findOne(@Param('id') id: string) {\n    return this.usersService.findUser(id)\n  }\n}\n",[622,1786,1787,1803,1813,1829,1858,1878,1882],{"__ignoreMap":701},[705,1788,1789,1791,1793,1795,1797,1799,1801],{"class":707,"line":708},[705,1790,862],{"class":809},[705,1792,1188],{"class":865},[705,1794,869],{"class":813},[705,1796,1051],{"class":809},[705,1798,1195],{"class":714},[705,1800,1051],{"class":809},[705,1802,920],{"class":813},[705,1804,1805,1807,1809,1811],{"class":707,"line":832},[705,1806,926],{"class":805},[705,1808,930],{"class":929},[705,1810,1208],{"class":711},[705,1812,1211],{"class":809},[705,1814,1815,1817,1819,1821,1823,1825,1827],{"class":707,"line":852},[705,1816,1216],{"class":809},[705,1818,1219],{"class":865},[705,1820,869],{"class":813},[705,1822,1051],{"class":809},[705,1824,1226],{"class":714},[705,1826,1051],{"class":809},[705,1828,920],{"class":813},[705,1830,1831,1834,1836,1838,1840,1842,1844,1846,1848,1850,1852,1854,1856],{"class":707,"line":859},[705,1832,1833],{"class":878},"  findOne",[705,1835,1241],{"class":809},[705,1837,1244],{"class":865},[705,1839,869],{"class":813},[705,1841,1051],{"class":809},[705,1843,1251],{"class":714},[705,1845,1051],{"class":809},[705,1847,1256],{"class":813},[705,1849,1251],{"class":1259},[705,1851,882],{"class":809},[705,1853,1264],{"class":711},[705,1855,1267],{"class":809},[705,1857,1211],{"class":809},[705,1859,1860,1862,1865,1868,1870,1872,1874,1876],{"class":707,"line":875},[705,1861,1495],{"class":805},[705,1863,1864],{"class":809}," this.",[705,1866,1867],{"class":813},"usersService",[705,1869,894],{"class":809},[705,1871,1343],{"class":865},[705,1873,869],{"class":878},[705,1875,1251],{"class":813},[705,1877,920],{"class":878},[705,1879,1880],{"class":707,"line":888},[705,1881,1512],{"class":809},[705,1883,1884],{"class":707,"line":906},[705,1885,1518],{"class":809},[618,1887,1888,1889,1891,1892,1894,1895,1897,1898,1901],{},"Both ",[622,1890,636],{}," and ",[622,1893,632],{}," return the same logger instance. ",[622,1896,632],{}," uses ",[622,1899,1900],{},"AsyncLocalStorage"," to propagate the logger across async boundaries.",[683,1903,1905,1906,1267],{"id":1904},"background-work-logfork","Background work (",[622,1907,1908],{},"log.fork",[618,1910,1591,1911,1914,1915,1917,1918,1922],{},[622,1912,1913],{},"req.log.fork(label, fn)"," (or the logger from ",[622,1916,632],{}," in the same request) for child wide events. See ",[672,1919,1921],{"href":1920},"\u002Flearn\u002Fwide-events#after-emit-sealing-and-background-work","After emit"," in Wide events.",[695,1924,1927],{"className":795,"code":1925,"filename":1926,"language":798,"meta":701,"style":701},"import { useLogger } from 'evlog\u002Fnestjs'\n\n@Post()\ncreate(@Req() req: Express.Request) {\n  req.log.fork!('enqueue', async () => {\n    const log = useLogger()\n    log.set({ queued: true })\n  })\n  return { ok: true }\n}\n","src\u002Forders.controller.ts",[622,1928,1929,1947,1951,1960,1979,2019,2031,2056,2063,2079],{"__ignoreMap":701},[705,1930,1931,1933,1935,1937,1939,1941,1943,1945],{"class":707,"line":708},[705,1932,806],{"class":805},[705,1934,810],{"class":809},[705,1936,1167],{"class":813},[705,1938,817],{"class":809},[705,1940,820],{"class":805},[705,1942,823],{"class":809},[705,1944,624],{"class":714},[705,1946,829],{"class":809},[705,1948,1949],{"class":707,"line":832},[705,1950,856],{"emptyLinePlaceholder":855},[705,1952,1953,1955,1958],{"class":707,"line":852},[705,1954,862],{"class":809},[705,1956,1957],{"class":865},"Post",[705,1959,1285],{"class":813},[705,1961,1962,1964,1966,1969,1972,1974,1977],{"class":707,"line":859},[705,1963,1086],{"class":865},[705,1965,1241],{"class":813},[705,1967,1968],{"class":865},"Req",[705,1970,1971],{"class":813},"() req: Express",[705,1973,894],{"class":809},[705,1975,1976],{"class":813},"Request) ",[705,1978,872],{"class":809},[705,1980,1981,1984,1986,1989,1991,1994,1997,1999,2001,2004,2006,2008,2011,2014,2017],{"class":707,"line":875},[705,1982,1983],{"class":813},"  req",[705,1985,894],{"class":809},[705,1987,1988],{"class":813},"log",[705,1990,894],{"class":809},[705,1992,1993],{"class":865},"fork",[705,1995,1996],{"class":809},"!",[705,1998,869],{"class":878},[705,2000,1051],{"class":809},[705,2002,2003],{"class":714},"enqueue",[705,2005,1051],{"class":809},[705,2007,1140],{"class":809},[705,2009,2010],{"class":929}," async",[705,2012,2013],{"class":809}," ()",[705,2015,2016],{"class":929}," =>",[705,2018,1211],{"class":809},[705,2020,2021,2023,2025,2027,2029],{"class":707,"line":888},[705,2022,1274],{"class":929},[705,2024,1277],{"class":813},[705,2026,1280],{"class":809},[705,2028,1167],{"class":865},[705,2030,1285],{"class":878},[705,2032,2033,2035,2037,2039,2041,2043,2046,2048,2052,2054],{"class":707,"line":906},[705,2034,1294],{"class":813},[705,2036,894],{"class":809},[705,2038,1299],{"class":865},[705,2040,869],{"class":878},[705,2042,1304],{"class":809},[705,2044,2045],{"class":878}," queued",[705,2047,882],{"class":809},[705,2049,2051],{"class":2050},"sfNiH"," true",[705,2053,817],{"class":809},[705,2055,920],{"class":878},[705,2057,2058,2061],{"class":707,"line":914},[705,2059,2060],{"class":809},"  }",[705,2062,920],{"class":878},[705,2064,2065,2068,2070,2073,2075,2077],{"class":707,"line":923},[705,2066,2067],{"class":805},"  return",[705,2069,810],{"class":809},[705,2071,2072],{"class":878}," ok",[705,2074,882],{"class":809},[705,2076,2051],{"class":2050},[705,2078,1506],{"class":809},[705,2080,2081],{"class":707,"line":1067},[705,2082,1518],{"class":809},[683,2084,2086],{"id":2085},"error-handling","Error Handling",[618,2088,1591,2089,2092,2093,2096,2097,2100,2101,2104],{},[622,2090,2091],{},"createError"," for structured errors with ",[622,2094,2095],{},"why",", ",[622,2098,2099],{},"fix",", and ",[622,2102,2103],{},"link"," fields. Create a NestJS exception filter to log and format errors:",[695,2106,2109],{"className":795,"code":2107,"filename":2108,"language":798,"meta":701,"style":701},"import { Catch } from '@nestjs\u002Fcommon'\nimport type { ExceptionFilter, ArgumentsHost } from '@nestjs\u002Fcommon'\nimport { parseError } from 'evlog'\nimport { useLogger } from 'evlog\u002Fnestjs'\n\n@Catch()\nexport class EvlogExceptionFilter implements ExceptionFilter {\n  catch(exception: unknown, host: ArgumentsHost) {\n    const response = host.switchToHttp().getResponse()\n    const error = exception instanceof Error ? exception : new Error(String(exception))\n\n    try {\n      useLogger().error(error)\n    } catch {\n      \u002F\u002F Outside an evlog request scope — log is unavailable\n    }\n\n    const parsed = parseError(error)\n    response.status(parsed.status).json({\n      message: parsed.message,\n      why: parsed.why,\n      fix: parsed.fix,\n      link: parsed.link,\n    })\n  }\n}\n","src\u002Fevlog-exception.filter.ts",[622,2110,2111,2130,2157,2176,2194,2198,2207,2223,2251,2276,2319,2323,2330,2348,2358,2364,2369,2373,2390,2420,2436,2452,2468,2484,2491,2496],{"__ignoreMap":701},[705,2112,2113,2115,2117,2120,2122,2124,2126,2128],{"class":707,"line":708},[705,2114,806],{"class":805},[705,2116,810],{"class":809},[705,2118,2119],{"class":813}," Catch",[705,2121,817],{"class":809},[705,2123,820],{"class":805},[705,2125,823],{"class":809},[705,2127,826],{"class":714},[705,2129,829],{"class":809},[705,2131,2132,2134,2137,2139,2142,2144,2147,2149,2151,2153,2155],{"class":707,"line":832},[705,2133,806],{"class":805},[705,2135,2136],{"class":805}," type",[705,2138,810],{"class":809},[705,2140,2141],{"class":813}," ExceptionFilter",[705,2143,1140],{"class":809},[705,2145,2146],{"class":813}," ArgumentsHost",[705,2148,817],{"class":809},[705,2150,820],{"class":805},[705,2152,823],{"class":809},[705,2154,826],{"class":714},[705,2156,829],{"class":809},[705,2158,2159,2161,2163,2166,2168,2170,2172,2174],{"class":707,"line":852},[705,2160,806],{"class":805},[705,2162,810],{"class":809},[705,2164,2165],{"class":813}," parseError",[705,2167,817],{"class":809},[705,2169,820],{"class":805},[705,2171,823],{"class":809},[705,2173,995],{"class":714},[705,2175,829],{"class":809},[705,2177,2178,2180,2182,2184,2186,2188,2190,2192],{"class":707,"line":859},[705,2179,806],{"class":805},[705,2181,810],{"class":809},[705,2183,1167],{"class":813},[705,2185,817],{"class":809},[705,2187,820],{"class":805},[705,2189,823],{"class":809},[705,2191,624],{"class":714},[705,2193,829],{"class":809},[705,2195,2196],{"class":707,"line":875},[705,2197,856],{"emptyLinePlaceholder":855},[705,2199,2200,2202,2205],{"class":707,"line":888},[705,2201,862],{"class":809},[705,2203,2204],{"class":865},"Catch",[705,2206,1285],{"class":813},[705,2208,2209,2211,2213,2216,2219,2221],{"class":707,"line":906},[705,2210,926],{"class":805},[705,2212,930],{"class":929},[705,2214,2215],{"class":711}," EvlogExceptionFilter",[705,2217,2218],{"class":929}," implements",[705,2220,2141],{"class":711},[705,2222,1211],{"class":809},[705,2224,2225,2228,2230,2233,2235,2238,2240,2243,2245,2247,2249],{"class":707,"line":914},[705,2226,2227],{"class":878},"  catch",[705,2229,869],{"class":809},[705,2231,2232],{"class":1259},"exception",[705,2234,882],{"class":809},[705,2236,2237],{"class":711}," unknown",[705,2239,1140],{"class":809},[705,2241,2242],{"class":1259}," host",[705,2244,882],{"class":809},[705,2246,2146],{"class":711},[705,2248,1267],{"class":809},[705,2250,1211],{"class":809},[705,2252,2253,2255,2258,2260,2262,2264,2267,2269,2271,2274],{"class":707,"line":923},[705,2254,1274],{"class":929},[705,2256,2257],{"class":813}," response",[705,2259,1280],{"class":809},[705,2261,2242],{"class":813},[705,2263,894],{"class":809},[705,2265,2266],{"class":865},"switchToHttp",[705,2268,900],{"class":878},[705,2270,894],{"class":809},[705,2272,2273],{"class":865},"getResponse",[705,2275,1285],{"class":878},[705,2277,2278,2280,2283,2285,2288,2291,2294,2297,2299,2302,2305,2307,2309,2312,2314,2316],{"class":707,"line":1067},[705,2279,1274],{"class":929},[705,2281,2282],{"class":813}," error",[705,2284,1280],{"class":809},[705,2286,2287],{"class":813}," exception",[705,2289,2290],{"class":809}," instanceof",[705,2292,2293],{"class":711}," Error",[705,2295,2296],{"class":809}," ?",[705,2298,2287],{"class":813},[705,2300,2301],{"class":809}," :",[705,2303,2304],{"class":809}," new",[705,2306,2293],{"class":865},[705,2308,869],{"class":878},[705,2310,2311],{"class":865},"String",[705,2313,869],{"class":878},[705,2315,2232],{"class":813},[705,2317,2318],{"class":878},"))\n",[705,2320,2321],{"class":707,"line":1092},[705,2322,856],{"emptyLinePlaceholder":855},[705,2324,2325,2328],{"class":707,"line":1327},[705,2326,2327],{"class":805},"    try",[705,2329,1211],{"class":809},[705,2331,2332,2335,2337,2339,2342,2344,2346],{"class":707,"line":1352},[705,2333,2334],{"class":865},"      useLogger",[705,2336,900],{"class":878},[705,2338,894],{"class":809},[705,2340,2341],{"class":865},"error",[705,2343,869],{"class":878},[705,2345,2341],{"class":813},[705,2347,920],{"class":878},[705,2349,2350,2353,2356],{"class":707,"line":1403},[705,2351,2352],{"class":809},"    }",[705,2354,2355],{"class":805}," catch",[705,2357,1211],{"class":809},[705,2359,2360],{"class":707,"line":1408},[705,2361,2363],{"class":2362},"sHwdD","      \u002F\u002F Outside an evlog request scope — log is unavailable\n",[705,2365,2366],{"class":707,"line":1433},[705,2367,2368],{"class":809},"    }\n",[705,2370,2371],{"class":707,"line":1487},[705,2372,856],{"emptyLinePlaceholder":855},[705,2374,2375,2377,2380,2382,2384,2386,2388],{"class":707,"line":1492},[705,2376,1274],{"class":929},[705,2378,2379],{"class":813}," parsed",[705,2381,1280],{"class":809},[705,2383,2165],{"class":865},[705,2385,869],{"class":878},[705,2387,2341],{"class":813},[705,2389,920],{"class":878},[705,2391,2392,2395,2397,2400,2402,2405,2407,2409,2411,2413,2416,2418],{"class":707,"line":1509},[705,2393,2394],{"class":813},"    response",[705,2396,894],{"class":809},[705,2398,2399],{"class":865},"status",[705,2401,869],{"class":878},[705,2403,2404],{"class":813},"parsed",[705,2406,894],{"class":809},[705,2408,2399],{"class":813},[705,2410,1267],{"class":878},[705,2412,894],{"class":809},[705,2414,2415],{"class":865},"json",[705,2417,869],{"class":878},[705,2419,872],{"class":809},[705,2421,2422,2425,2427,2429,2431,2434],{"class":707,"line":1515},[705,2423,2424],{"class":878},"      message",[705,2426,882],{"class":809},[705,2428,2379],{"class":813},[705,2430,894],{"class":809},[705,2432,2433],{"class":813},"message",[705,2435,903],{"class":809},[705,2437,2439,2442,2444,2446,2448,2450],{"class":707,"line":2438},21,[705,2440,2441],{"class":878},"      why",[705,2443,882],{"class":809},[705,2445,2379],{"class":813},[705,2447,894],{"class":809},[705,2449,2095],{"class":813},[705,2451,903],{"class":809},[705,2453,2455,2458,2460,2462,2464,2466],{"class":707,"line":2454},22,[705,2456,2457],{"class":878},"      fix",[705,2459,882],{"class":809},[705,2461,2379],{"class":813},[705,2463,894],{"class":809},[705,2465,2099],{"class":813},[705,2467,903],{"class":809},[705,2469,2471,2474,2476,2478,2480,2482],{"class":707,"line":2470},23,[705,2472,2473],{"class":878},"      link",[705,2475,882],{"class":809},[705,2477,2379],{"class":813},[705,2479,894],{"class":809},[705,2481,2103],{"class":813},[705,2483,903],{"class":809},[705,2485,2487,2489],{"class":707,"line":2486},24,[705,2488,2352],{"class":809},[705,2490,920],{"class":878},[705,2492,2494],{"class":707,"line":2493},25,[705,2495,1512],{"class":809},[705,2497,2499],{"class":707,"line":2498},26,[705,2500,1518],{"class":809},[618,2502,2503],{},"Apply it to your controllers:",[695,2505,2508],{"className":795,"code":2506,"filename":2507,"language":798,"meta":701,"style":701},"import { Controller, Get, UseFilters } from '@nestjs\u002Fcommon'\nimport { createError } from 'evlog'\nimport { EvlogExceptionFilter } from '.\u002Fevlog-exception.filter'\n\n@Controller()\n@UseFilters(new EvlogExceptionFilter())\nexport class CheckoutController {\n  @Get('checkout')\n  checkout() {\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}\n","src\u002Fcheckout.controller.ts",[622,2509,2510,2537,2556,2575,2579,2587,2604,2615,2632,2641,2652,2667,2679,2694,2709,2724,2730,2734],{"__ignoreMap":701},[705,2511,2512,2514,2516,2518,2520,2522,2524,2527,2529,2531,2533,2535],{"class":707,"line":708},[705,2513,806],{"class":805},[705,2515,810],{"class":809},[705,2517,1137],{"class":813},[705,2519,1140],{"class":809},[705,2521,1143],{"class":813},[705,2523,1140],{"class":809},[705,2525,2526],{"class":813}," UseFilters",[705,2528,817],{"class":809},[705,2530,820],{"class":805},[705,2532,823],{"class":809},[705,2534,826],{"class":714},[705,2536,829],{"class":809},[705,2538,2539,2541,2543,2546,2548,2550,2552,2554],{"class":707,"line":832},[705,2540,806],{"class":805},[705,2542,810],{"class":809},[705,2544,2545],{"class":813}," createError",[705,2547,817],{"class":809},[705,2549,820],{"class":805},[705,2551,823],{"class":809},[705,2553,995],{"class":714},[705,2555,829],{"class":809},[705,2557,2558,2560,2562,2564,2566,2568,2570,2573],{"class":707,"line":852},[705,2559,806],{"class":805},[705,2561,810],{"class":809},[705,2563,2215],{"class":813},[705,2565,817],{"class":809},[705,2567,820],{"class":805},[705,2569,823],{"class":809},[705,2571,2572],{"class":714},".\u002Fevlog-exception.filter",[705,2574,829],{"class":809},[705,2576,2577],{"class":707,"line":859},[705,2578,856],{"emptyLinePlaceholder":855},[705,2580,2581,2583,2585],{"class":707,"line":875},[705,2582,862],{"class":809},[705,2584,1188],{"class":865},[705,2586,1285],{"class":813},[705,2588,2589,2591,2594,2596,2599,2601],{"class":707,"line":888},[705,2590,862],{"class":809},[705,2592,2593],{"class":865},"UseFilters",[705,2595,869],{"class":813},[705,2597,2598],{"class":809},"new",[705,2600,2215],{"class":865},[705,2602,2603],{"class":813},"())\n",[705,2605,2606,2608,2610,2613],{"class":707,"line":906},[705,2607,926],{"class":805},[705,2609,930],{"class":929},[705,2611,2612],{"class":711}," CheckoutController",[705,2614,1211],{"class":809},[705,2616,2617,2619,2621,2623,2625,2628,2630],{"class":707,"line":914},[705,2618,1216],{"class":809},[705,2620,1219],{"class":865},[705,2622,869],{"class":813},[705,2624,1051],{"class":809},[705,2626,2627],{"class":714},"checkout",[705,2629,1051],{"class":809},[705,2631,920],{"class":813},[705,2633,2634,2637,2639],{"class":707,"line":923},[705,2635,2636],{"class":878},"  checkout",[705,2638,900],{"class":809},[705,2640,1211],{"class":809},[705,2642,2643,2646,2648,2650],{"class":707,"line":1067},[705,2644,2645],{"class":805},"    throw",[705,2647,2545],{"class":865},[705,2649,869],{"class":878},[705,2651,872],{"class":809},[705,2653,2654,2656,2658,2660,2663,2665],{"class":707,"line":1092},[705,2655,2424],{"class":878},[705,2657,882],{"class":809},[705,2659,823],{"class":809},[705,2661,2662],{"class":714},"Payment failed",[705,2664,1051],{"class":809},[705,2666,903],{"class":809},[705,2668,2669,2672,2674,2677],{"class":707,"line":1327},[705,2670,2671],{"class":878},"      status",[705,2673,882],{"class":809},[705,2675,2676],{"class":1108}," 402",[705,2678,903],{"class":809},[705,2680,2681,2683,2685,2687,2690,2692],{"class":707,"line":1352},[705,2682,2441],{"class":878},[705,2684,882],{"class":809},[705,2686,823],{"class":809},[705,2688,2689],{"class":714},"Card declined by issuer",[705,2691,1051],{"class":809},[705,2693,903],{"class":809},[705,2695,2696,2698,2700,2702,2705,2707],{"class":707,"line":1403},[705,2697,2457],{"class":878},[705,2699,882],{"class":809},[705,2701,823],{"class":809},[705,2703,2704],{"class":714},"Try a different payment method",[705,2706,1051],{"class":809},[705,2708,903],{"class":809},[705,2710,2711,2713,2715,2717,2720,2722],{"class":707,"line":1408},[705,2712,2473],{"class":878},[705,2714,882],{"class":809},[705,2716,823],{"class":809},[705,2718,2719],{"class":714},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[705,2721,1051],{"class":809},[705,2723,903],{"class":809},[705,2725,2726,2728],{"class":707,"line":1433},[705,2727,2352],{"class":809},[705,2729,920],{"class":878},[705,2731,2732],{"class":707,"line":1487},[705,2733,1512],{"class":809},[705,2735,2736],{"class":707,"line":1492},[705,2737,1518],{"class":809},[618,2739,2740],{},"The error is captured and logged with both the custom context and structured error fields:",[695,2742,2744],{"className":697,"code":2743,"filename":1525,"language":700,"meta":701,"style":701},"14:58:20 ERROR [my-api] GET \u002Fcheckout 402 in 3ms\n  ├─ error: name=EvlogError message=Payment failed status=402\n  └─ requestId: 880a50ac-...\n",[622,2745,2746,2757,2779],{"__ignoreMap":701},[705,2747,2748,2751,2754],{"class":707,"line":708},[705,2749,2750],{"class":711},"14:58:20",[705,2752,2753],{"class":714}," ERROR",[705,2755,2756],{"class":813}," [my-api] GET \u002Fcheckout 402 in 3ms\n",[705,2758,2759,2761,2764,2767,2770,2773,2776],{"class":707,"line":832},[705,2760,1543],{"class":711},[705,2762,2763],{"class":714}," error:",[705,2765,2766],{"class":714}," name=EvlogError",[705,2768,2769],{"class":714}," message=Payment",[705,2771,2772],{"class":714}," failed",[705,2774,2775],{"class":714}," status=",[705,2777,2778],{"class":1108},"402\n",[705,2780,2781,2783,2785],{"class":707,"line":852},[705,2782,1579],{"class":711},[705,2784,1582],{"class":714},[705,2786,2787],{"class":714}," 880a50ac-...\n",[683,2789,557],{"id":2790},"configuration",[618,2792,2793,2794,2797,2798,2800],{},"See the ",[672,2795,2796],{"href":558},"Configuration reference"," for all available options (",[622,2799,1025],{},", middleware options, sampling, silent mode, etc.).",[683,2802,2804],{"id":2803},"drain-enrichers","Drain & Enrichers",[618,2806,2807,2808,882],{},"Configure drain adapters and enrichers in ",[622,2809,628],{},[695,2811,2813],{"className":795,"code":2812,"filename":797,"language":798,"meta":701,"style":701},"import { Module } from '@nestjs\u002Fcommon'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { createUserAgentEnricher } from 'evlog\u002Fenrichers'\n\nconst userAgent = createUserAgentEnricher()\n\n@Module({\n  imports: [\n    EvlogModule.forRoot({\n      drain: createAxiomDrain(),\n      enrich: (ctx) => {\n        userAgent(ctx)\n        ctx.event.region = process.env.FLY_REGION\n      },\n    }),\n  ],\n})\nexport class AppModule {}\n",[622,2814,2815,2833,2851,2871,2891,2895,2908,2912,2922,2930,2942,2955,2974,2985,3015,3020,3028,3034,3040],{"__ignoreMap":701},[705,2816,2817,2819,2821,2823,2825,2827,2829,2831],{"class":707,"line":708},[705,2818,806],{"class":805},[705,2820,810],{"class":809},[705,2822,814],{"class":813},[705,2824,817],{"class":809},[705,2826,820],{"class":805},[705,2828,823],{"class":809},[705,2830,826],{"class":714},[705,2832,829],{"class":809},[705,2834,2835,2837,2839,2841,2843,2845,2847,2849],{"class":707,"line":832},[705,2836,806],{"class":805},[705,2838,810],{"class":809},[705,2840,839],{"class":813},[705,2842,817],{"class":809},[705,2844,820],{"class":805},[705,2846,823],{"class":809},[705,2848,624],{"class":714},[705,2850,829],{"class":809},[705,2852,2853,2855,2857,2860,2862,2864,2866,2869],{"class":707,"line":852},[705,2854,806],{"class":805},[705,2856,810],{"class":809},[705,2858,2859],{"class":813}," createAxiomDrain",[705,2861,817],{"class":809},[705,2863,820],{"class":805},[705,2865,823],{"class":809},[705,2867,2868],{"class":714},"evlog\u002Faxiom",[705,2870,829],{"class":809},[705,2872,2873,2875,2877,2880,2882,2884,2886,2889],{"class":707,"line":859},[705,2874,806],{"class":805},[705,2876,810],{"class":809},[705,2878,2879],{"class":813}," createUserAgentEnricher",[705,2881,817],{"class":809},[705,2883,820],{"class":805},[705,2885,823],{"class":809},[705,2887,2888],{"class":714},"evlog\u002Fenrichers",[705,2890,829],{"class":809},[705,2892,2893],{"class":707,"line":875},[705,2894,856],{"emptyLinePlaceholder":855},[705,2896,2897,2899,2902,2904,2906],{"class":707,"line":888},[705,2898,1070],{"class":929},[705,2900,2901],{"class":813}," userAgent ",[705,2903,1076],{"class":809},[705,2905,2879],{"class":865},[705,2907,1285],{"class":813},[705,2909,2910],{"class":707,"line":906},[705,2911,856],{"emptyLinePlaceholder":855},[705,2913,2914,2916,2918,2920],{"class":707,"line":914},[705,2915,862],{"class":809},[705,2917,866],{"class":865},[705,2919,869],{"class":813},[705,2921,872],{"class":809},[705,2923,2924,2926,2928],{"class":707,"line":923},[705,2925,879],{"class":878},[705,2927,882],{"class":809},[705,2929,885],{"class":813},[705,2931,2932,2934,2936,2938,2940],{"class":707,"line":1067},[705,2933,891],{"class":813},[705,2935,894],{"class":809},[705,2937,897],{"class":865},[705,2939,869],{"class":813},[705,2941,872],{"class":809},[705,2943,2944,2947,2949,2951,2953],{"class":707,"line":1092},[705,2945,2946],{"class":878},"      drain",[705,2948,882],{"class":809},[705,2950,2859],{"class":865},[705,2952,900],{"class":813},[705,2954,903],{"class":809},[705,2956,2957,2960,2962,2965,2968,2970,2972],{"class":707,"line":1327},[705,2958,2959],{"class":865},"      enrich",[705,2961,882],{"class":809},[705,2963,2964],{"class":809}," (",[705,2966,2967],{"class":1259},"ctx",[705,2969,1267],{"class":809},[705,2971,2016],{"class":929},[705,2973,1211],{"class":809},[705,2975,2976,2979,2981,2983],{"class":707,"line":1352},[705,2977,2978],{"class":865},"        userAgent",[705,2980,869],{"class":878},[705,2982,2967],{"class":813},[705,2984,920],{"class":878},[705,2986,2987,2990,2992,2995,2997,3000,3002,3005,3007,3010,3012],{"class":707,"line":1403},[705,2988,2989],{"class":813},"        ctx",[705,2991,894],{"class":809},[705,2993,2994],{"class":813},"event",[705,2996,894],{"class":809},[705,2998,2999],{"class":813},"region",[705,3001,1280],{"class":809},[705,3003,3004],{"class":813}," process",[705,3006,894],{"class":809},[705,3008,3009],{"class":813},"env",[705,3011,894],{"class":809},[705,3013,3014],{"class":813},"FLY_REGION\n",[705,3016,3017],{"class":707,"line":1408},[705,3018,3019],{"class":809},"      },\n",[705,3021,3022,3024,3026],{"class":707,"line":1433},[705,3023,2352],{"class":809},[705,3025,1267],{"class":813},[705,3027,903],{"class":809},[705,3029,3030,3032],{"class":707,"line":1487},[705,3031,909],{"class":813},[705,3033,903],{"class":809},[705,3035,3036,3038],{"class":707,"line":1492},[705,3037,917],{"class":809},[705,3039,920],{"class":813},[705,3041,3042,3044,3046,3048],{"class":707,"line":1509},[705,3043,926],{"class":805},[705,3045,930],{"class":929},[705,3047,933],{"class":711},[705,3049,936],{"class":809},[687,3051,3053],{"id":3052},"async-configuration","Async Configuration",[618,3055,1591,3056,3059,3060,3063],{},[622,3057,3058],{},"forRootAsync()"," when options depend on other providers (e.g. ",[622,3061,3062],{},"ConfigService","):",[695,3065,3067],{"className":795,"code":3066,"filename":797,"language":798,"meta":701,"style":701},"import { Module } from '@nestjs\u002Fcommon'\nimport { ConfigModule, ConfigService } from '@nestjs\u002Fconfig'\nimport { EvlogModule } from 'evlog\u002Fnestjs'\nimport { createAxiomDrain } from 'evlog\u002Faxiom'\n\n@Module({\n  imports: [\n    ConfigModule.forRoot(),\n    EvlogModule.forRootAsync({\n      imports: [ConfigModule],\n      inject: [ConfigService],\n      useFactory: (config: ConfigService) => ({\n        drain: createAxiomDrain({ apiKey: config.get('AXIOM_API_KEY') }),\n      }),\n    }),\n  ],\n})\nexport class AppModule {}\n",[622,3068,3069,3087,3112,3130,3148,3152,3162,3170,3183,3196,3208,3220,3243,3286,3295,3303,3309,3315],{"__ignoreMap":701},[705,3070,3071,3073,3075,3077,3079,3081,3083,3085],{"class":707,"line":708},[705,3072,806],{"class":805},[705,3074,810],{"class":809},[705,3076,814],{"class":813},[705,3078,817],{"class":809},[705,3080,820],{"class":805},[705,3082,823],{"class":809},[705,3084,826],{"class":714},[705,3086,829],{"class":809},[705,3088,3089,3091,3093,3096,3098,3101,3103,3105,3107,3110],{"class":707,"line":832},[705,3090,806],{"class":805},[705,3092,810],{"class":809},[705,3094,3095],{"class":813}," ConfigModule",[705,3097,1140],{"class":809},[705,3099,3100],{"class":813}," ConfigService",[705,3102,817],{"class":809},[705,3104,820],{"class":805},[705,3106,823],{"class":809},[705,3108,3109],{"class":714},"@nestjs\u002Fconfig",[705,3111,829],{"class":809},[705,3113,3114,3116,3118,3120,3122,3124,3126,3128],{"class":707,"line":852},[705,3115,806],{"class":805},[705,3117,810],{"class":809},[705,3119,839],{"class":813},[705,3121,817],{"class":809},[705,3123,820],{"class":805},[705,3125,823],{"class":809},[705,3127,624],{"class":714},[705,3129,829],{"class":809},[705,3131,3132,3134,3136,3138,3140,3142,3144,3146],{"class":707,"line":859},[705,3133,806],{"class":805},[705,3135,810],{"class":809},[705,3137,2859],{"class":813},[705,3139,817],{"class":809},[705,3141,820],{"class":805},[705,3143,823],{"class":809},[705,3145,2868],{"class":714},[705,3147,829],{"class":809},[705,3149,3150],{"class":707,"line":875},[705,3151,856],{"emptyLinePlaceholder":855},[705,3153,3154,3156,3158,3160],{"class":707,"line":888},[705,3155,862],{"class":809},[705,3157,866],{"class":865},[705,3159,869],{"class":813},[705,3161,872],{"class":809},[705,3163,3164,3166,3168],{"class":707,"line":906},[705,3165,879],{"class":878},[705,3167,882],{"class":809},[705,3169,885],{"class":813},[705,3171,3172,3175,3177,3179,3181],{"class":707,"line":914},[705,3173,3174],{"class":813},"    ConfigModule",[705,3176,894],{"class":809},[705,3178,897],{"class":865},[705,3180,900],{"class":813},[705,3182,903],{"class":809},[705,3184,3185,3187,3189,3192,3194],{"class":707,"line":923},[705,3186,891],{"class":813},[705,3188,894],{"class":809},[705,3190,3191],{"class":865},"forRootAsync",[705,3193,869],{"class":813},[705,3195,872],{"class":809},[705,3197,3198,3201,3203,3206],{"class":707,"line":1067},[705,3199,3200],{"class":878},"      imports",[705,3202,882],{"class":809},[705,3204,3205],{"class":813}," [ConfigModule]",[705,3207,903],{"class":809},[705,3209,3210,3213,3215,3218],{"class":707,"line":1092},[705,3211,3212],{"class":878},"      inject",[705,3214,882],{"class":809},[705,3216,3217],{"class":813}," [ConfigService]",[705,3219,903],{"class":809},[705,3221,3222,3225,3227,3229,3231,3233,3235,3237,3239,3241],{"class":707,"line":1327},[705,3223,3224],{"class":865},"      useFactory",[705,3226,882],{"class":809},[705,3228,2964],{"class":809},[705,3230,104],{"class":1259},[705,3232,882],{"class":809},[705,3234,3100],{"class":711},[705,3236,1267],{"class":809},[705,3238,2016],{"class":929},[705,3240,2964],{"class":813},[705,3242,872],{"class":809},[705,3244,3245,3248,3250,3252,3254,3256,3259,3261,3264,3266,3269,3271,3273,3276,3278,3280,3282,3284],{"class":707,"line":1352},[705,3246,3247],{"class":878},"        drain",[705,3249,882],{"class":809},[705,3251,2859],{"class":865},[705,3253,869],{"class":813},[705,3255,1304],{"class":809},[705,3257,3258],{"class":878}," apiKey",[705,3260,882],{"class":809},[705,3262,3263],{"class":813}," config",[705,3265,894],{"class":809},[705,3267,3268],{"class":865},"get",[705,3270,869],{"class":813},[705,3272,1051],{"class":809},[705,3274,3275],{"class":714},"AXIOM_API_KEY",[705,3277,1051],{"class":809},[705,3279,1256],{"class":813},[705,3281,917],{"class":809},[705,3283,1267],{"class":813},[705,3285,903],{"class":809},[705,3287,3288,3291,3293],{"class":707,"line":1403},[705,3289,3290],{"class":809},"      }",[705,3292,1267],{"class":813},[705,3294,903],{"class":809},[705,3296,3297,3299,3301],{"class":707,"line":1408},[705,3298,2352],{"class":809},[705,3300,1267],{"class":813},[705,3302,903],{"class":809},[705,3304,3305,3307],{"class":707,"line":1433},[705,3306,909],{"class":813},[705,3308,903],{"class":809},[705,3310,3311,3313],{"class":707,"line":1487},[705,3312,917],{"class":809},[705,3314,920],{"class":813},[705,3316,3317,3319,3321,3323],{"class":707,"line":1492},[705,3318,926],{"class":805},[705,3320,930],{"class":929},[705,3322,933],{"class":711},[705,3324,936],{"class":809},[687,3326,3328],{"id":3327},"pipeline-batching-retry","Pipeline (Batching & Retry)",[618,3330,3331,3332,3335],{},"For production, wrap your adapter with ",[622,3333,3334],{},"createDrainPipeline"," to batch events and retry on failure:",[695,3337,3339],{"className":795,"code":3338,"filename":797,"language":798,"meta":701,"style":701},"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\nEvlogModule.forRoot({ drain })\n",[622,3340,3341,3362,3380,3400,3404,3428,3457,3476,3482,3501,3505],{"__ignoreMap":701},[705,3342,3343,3345,3347,3349,3352,3354,3356,3358,3360],{"class":707,"line":708},[705,3344,806],{"class":805},[705,3346,2136],{"class":805},[705,3348,810],{"class":809},[705,3350,3351],{"class":813}," DrainContext",[705,3353,817],{"class":809},[705,3355,820],{"class":805},[705,3357,823],{"class":809},[705,3359,995],{"class":714},[705,3361,829],{"class":809},[705,3363,3364,3366,3368,3370,3372,3374,3376,3378],{"class":707,"line":832},[705,3365,806],{"class":805},[705,3367,810],{"class":809},[705,3369,2859],{"class":813},[705,3371,817],{"class":809},[705,3373,820],{"class":805},[705,3375,823],{"class":809},[705,3377,2868],{"class":714},[705,3379,829],{"class":809},[705,3381,3382,3384,3386,3389,3391,3393,3395,3398],{"class":707,"line":852},[705,3383,806],{"class":805},[705,3385,810],{"class":809},[705,3387,3388],{"class":813}," createDrainPipeline",[705,3390,817],{"class":809},[705,3392,820],{"class":805},[705,3394,823],{"class":809},[705,3396,3397],{"class":714},"evlog\u002Fpipeline",[705,3399,829],{"class":809},[705,3401,3402],{"class":707,"line":859},[705,3403,856],{"emptyLinePlaceholder":855},[705,3405,3406,3408,3411,3413,3415,3418,3421,3424,3426],{"class":707,"line":875},[705,3407,1070],{"class":929},[705,3409,3410],{"class":813}," pipeline ",[705,3412,1076],{"class":809},[705,3414,3388],{"class":865},[705,3416,3417],{"class":809},"\u003C",[705,3419,3420],{"class":711},"DrainContext",[705,3422,3423],{"class":809},">",[705,3425,869],{"class":813},[705,3427,872],{"class":809},[705,3429,3430,3433,3435,3437,3440,3442,3445,3447,3450,3452,3455],{"class":707,"line":888},[705,3431,3432],{"class":878},"  batch",[705,3434,882],{"class":809},[705,3436,810],{"class":809},[705,3438,3439],{"class":878}," size",[705,3441,882],{"class":809},[705,3443,3444],{"class":1108}," 50",[705,3446,1140],{"class":809},[705,3448,3449],{"class":878}," intervalMs",[705,3451,882],{"class":809},[705,3453,3454],{"class":1108}," 5000",[705,3456,1054],{"class":809},[705,3458,3459,3462,3464,3466,3469,3471,3474],{"class":707,"line":906},[705,3460,3461],{"class":878},"  retry",[705,3463,882],{"class":809},[705,3465,810],{"class":809},[705,3467,3468],{"class":878}," maxAttempts",[705,3470,882],{"class":809},[705,3472,3473],{"class":1108}," 3",[705,3475,1054],{"class":809},[705,3477,3478,3480],{"class":707,"line":914},[705,3479,917],{"class":809},[705,3481,920],{"class":813},[705,3483,3484,3486,3489,3491,3494,3496,3499],{"class":707,"line":923},[705,3485,1070],{"class":929},[705,3487,3488],{"class":813}," drain ",[705,3490,1076],{"class":809},[705,3492,3493],{"class":865}," pipeline",[705,3495,869],{"class":813},[705,3497,3498],{"class":865},"createAxiomDrain",[705,3500,2603],{"class":813},[705,3502,3503],{"class":707,"line":1067},[705,3504,856],{"emptyLinePlaceholder":855},[705,3506,3507,3510,3512,3514,3516,3518,3520,3522],{"class":707,"line":1092},[705,3508,3509],{"class":813},"EvlogModule",[705,3511,894],{"class":809},[705,3513,897],{"class":865},[705,3515,869],{"class":813},[705,3517,1304],{"class":809},[705,3519,3488],{"class":813},[705,3521,917],{"class":809},[705,3523,920],{"class":813},[3525,3526,3528,3529,3532,3533,3536],"callout",{"color":3527,"icon":13},"info","Call ",[622,3530,3531],{},"drain.flush()"," on server shutdown to ensure all buffered events are sent. See the ",[672,3534,3535],{"href":545},"Pipeline docs"," for all options.",[683,3538,3540],{"id":3539},"tail-sampling","Tail Sampling",[618,3542,1591,3543,3546],{},[622,3544,3545],{},"keep"," to force-retain specific events regardless of head sampling:",[695,3548,3550],{"className":795,"code":3549,"filename":797,"language":798,"meta":701,"style":701},"EvlogModule.forRoot({\n  drain: createAxiomDrain(),\n  keep: (ctx) => {\n    if (ctx.duration && ctx.duration > 2000) ctx.shouldKeep = true\n  },\n})\n",[622,3551,3552,3564,3577,3594,3638,3643],{"__ignoreMap":701},[705,3553,3554,3556,3558,3560,3562],{"class":707,"line":708},[705,3555,3509],{"class":813},[705,3557,894],{"class":809},[705,3559,897],{"class":865},[705,3561,869],{"class":813},[705,3563,872],{"class":809},[705,3565,3566,3569,3571,3573,3575],{"class":707,"line":832},[705,3567,3568],{"class":878},"  drain",[705,3570,882],{"class":809},[705,3572,2859],{"class":865},[705,3574,900],{"class":813},[705,3576,903],{"class":809},[705,3578,3579,3582,3584,3586,3588,3590,3592],{"class":707,"line":852},[705,3580,3581],{"class":865},"  keep",[705,3583,882],{"class":809},[705,3585,2964],{"class":809},[705,3587,2967],{"class":1259},[705,3589,1267],{"class":809},[705,3591,2016],{"class":929},[705,3593,1211],{"class":809},[705,3595,3596,3599,3601,3603,3605,3608,3611,3614,3616,3618,3621,3624,3626,3628,3630,3633,3635],{"class":707,"line":859},[705,3597,3598],{"class":805},"    if",[705,3600,2964],{"class":878},[705,3602,2967],{"class":813},[705,3604,894],{"class":809},[705,3606,3607],{"class":813},"duration",[705,3609,3610],{"class":809}," &&",[705,3612,3613],{"class":813}," ctx",[705,3615,894],{"class":809},[705,3617,3607],{"class":813},[705,3619,3620],{"class":809}," >",[705,3622,3623],{"class":1108}," 2000",[705,3625,1256],{"class":878},[705,3627,2967],{"class":813},[705,3629,894],{"class":809},[705,3631,3632],{"class":813},"shouldKeep",[705,3634,1280],{"class":809},[705,3636,3637],{"class":2050}," true\n",[705,3639,3640],{"class":707,"line":875},[705,3641,3642],{"class":809},"  },\n",[705,3644,3645,3647],{"class":707,"line":888},[705,3646,917],{"class":809},[705,3648,920],{"class":813},[683,3650,3652],{"id":3651},"route-filtering","Route Filtering",[618,3654,3655,3656,1891,3659,3662],{},"Control which routes are logged with ",[622,3657,3658],{},"include",[622,3660,3661],{},"exclude"," patterns:",[695,3664,3666],{"className":795,"code":3665,"filename":797,"language":798,"meta":701,"style":701},"EvlogModule.forRoot({\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",[622,3667,3668,3680,3702,3731,3740,3767,3793,3797],{"__ignoreMap":701},[705,3669,3670,3672,3674,3676,3678],{"class":707,"line":708},[705,3671,3509],{"class":813},[705,3673,894],{"class":809},[705,3675,897],{"class":865},[705,3677,869],{"class":813},[705,3679,872],{"class":809},[705,3681,3682,3685,3687,3690,3692,3695,3697,3700],{"class":707,"line":832},[705,3683,3684],{"class":878},"  include",[705,3686,882],{"class":809},[705,3688,3689],{"class":813}," [",[705,3691,1051],{"class":809},[705,3693,3694],{"class":714},"\u002Fapi\u002F**",[705,3696,1051],{"class":809},[705,3698,3699],{"class":813},"]",[705,3701,903],{"class":809},[705,3703,3704,3707,3709,3711,3713,3716,3718,3720,3722,3725,3727,3729],{"class":707,"line":852},[705,3705,3706],{"class":878},"  exclude",[705,3708,882],{"class":809},[705,3710,3689],{"class":813},[705,3712,1051],{"class":809},[705,3714,3715],{"class":714},"\u002F_internal\u002F**",[705,3717,1051],{"class":809},[705,3719,1140],{"class":809},[705,3721,823],{"class":809},[705,3723,3724],{"class":714},"\u002Fhealth",[705,3726,1051],{"class":809},[705,3728,3699],{"class":813},[705,3730,903],{"class":809},[705,3732,3733,3736,3738],{"class":707,"line":859},[705,3734,3735],{"class":878},"  routes",[705,3737,882],{"class":809},[705,3739,1211],{"class":809},[705,3741,3742,3745,3748,3750,3752,3754,3756,3758,3760,3763,3765],{"class":707,"line":875},[705,3743,3744],{"class":809},"    '",[705,3746,3747],{"class":878},"\u002Fapi\u002Fauth\u002F**",[705,3749,1051],{"class":809},[705,3751,882],{"class":809},[705,3753,810],{"class":809},[705,3755,1041],{"class":878},[705,3757,882],{"class":809},[705,3759,823],{"class":809},[705,3761,3762],{"class":714},"auth-service",[705,3764,1051],{"class":809},[705,3766,1054],{"class":809},[705,3768,3769,3771,3774,3776,3778,3780,3782,3784,3786,3789,3791],{"class":707,"line":888},[705,3770,3744],{"class":809},[705,3772,3773],{"class":878},"\u002Fapi\u002Fpayment\u002F**",[705,3775,1051],{"class":809},[705,3777,882],{"class":809},[705,3779,810],{"class":809},[705,3781,1041],{"class":878},[705,3783,882],{"class":809},[705,3785,823],{"class":809},[705,3787,3788],{"class":714},"payment-service",[705,3790,1051],{"class":809},[705,3792,1054],{"class":809},[705,3794,3795],{"class":707,"line":906},[705,3796,3642],{"class":809},[705,3798,3799,3801],{"class":707,"line":914},[705,3800,917],{"class":809},[705,3802,920],{"class":813},[683,3804,3806],{"id":3805},"run-locally","Run Locally",[695,3808,3811],{"className":697,"code":3809,"filename":3810,"language":700,"meta":701,"style":701},"git clone https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog.git\ncd evlog\npnpm install\npnpm example nestjs\n","Terminal",[622,3812,3813,3824,3832,3839],{"__ignoreMap":701},[705,3814,3815,3818,3821],{"class":707,"line":708},[705,3816,3817],{"class":711},"git",[705,3819,3820],{"class":714}," clone",[705,3822,3823],{"class":714}," https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog.git\n",[705,3825,3826,3829],{"class":707,"line":832},[705,3827,3828],{"class":865},"cd",[705,3830,3831],{"class":714}," evlog\n",[705,3833,3834,3836],{"class":707,"line":852},[705,3835,699],{"class":711},[705,3837,3838],{"class":714}," install\n",[705,3840,3841,3843,3846],{"class":707,"line":859},[705,3842,699],{"class":711},[705,3844,3845],{"class":714}," example",[705,3847,3848],{"class":714}," nestjs\n",[618,3850,3851,3852,3856],{},"Open ",[672,3853,3854],{"href":3854,"rel":3855},"http:\u002F\u002Flocalhost:3000",[676]," to explore the interactive test UI.",[3858,3859,3860],"card-group",{},[3861,3862,3866],"card",{"icon":3863,"title":3864,"to":3865},"i-simple-icons-github","Source Code","https:\u002F\u002Fgithub.com\u002Fevloghq\u002Fevlog\u002Ftree\u002Fmain\u002Fexamples\u002Fnestjs","Browse the complete NestJS example source on GitHub.",[683,3868,3870],{"id":3869},"next-steps","Next Steps",[618,3872,3873,3874,3877],{},"Deepen your ",[3875,3876,275],"strong",{}," integration:",[647,3879,3880,3885,3890,3895],{},[650,3881,3882,3884],{},[672,3883,51],{"href":52},": Design comprehensive events with context layering",[650,3886,3887,3889],{},[672,3888,158],{"href":163},": Send logs to Axiom, Sentry, PostHog, and more",[650,3891,3892,3894],{},[672,3893,66],{"href":67},": Control log volume with head and tail sampling",[650,3896,3897,3899,3900,2096,3902,2100,3904,3906],{},[672,3898,56],{"href":57},": Throw errors with ",[622,3901,2095],{},[622,3903,2099],{},[622,3905,2103],{}," fields",[3908,3909,3910],"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 .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .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 .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}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}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}",{"title":701,"searchDepth":832,"depth":832,"links":3912},[3913,3918,3919,3920,3922,3923,3924,3928,3929,3930,3931],{"id":685,"depth":832,"text":25,"children":3914},[3915,3916,3917],{"id":689,"depth":852,"text":690},{"id":791,"depth":852,"text":792},{"id":939,"depth":852,"text":940},{"id":1119,"depth":832,"text":51},{"id":1588,"depth":832,"text":632},{"id":1904,"depth":832,"text":3921},"Background work (log.fork)",{"id":2085,"depth":832,"text":2086},{"id":2790,"depth":832,"text":557},{"id":2803,"depth":832,"text":2804,"children":3925},[3926,3927],{"id":3052,"depth":852,"text":3053},{"id":3327,"depth":852,"text":3328},{"id":3539,"depth":832,"text":3540},{"id":3651,"depth":832,"text":3652},{"id":3805,"depth":832,"text":3806},{"id":3869,"depth":832,"text":3870},"`EvlogModule.forRoot()` registers the middleware, the exception filter and `useLogger()` across a NestJS app, with async config where you need it.","md",[3935],{"label":3864,"icon":3863,"to":3865,"color":3936,"variant":3937},"neutral","subtle",{},{"title":275,"icon":278},{"title":275,"description":3932},"bbotZNOVT8-7ywQXdJBUcUn3zPnT2a6x-3PzGmGZVos",[3943,3945],{"title":270,"path":271,"stem":272,"description":3944,"icon":273,"children":-1},"Automatic wide events, structured errors, and logging in TanStack Start API routes and server functions.",{"title":280,"path":281,"stem":282,"description":3946,"icon":283,"children":-1},"One `app.use(evlog())` puts a request logger on `req.log`, emits the wide event when the response finishes, and feeds your error handler.",1791636524536]