[{"data":1,"prerenderedAt":3367},["ShallowReactive",2],{"navigation_docs":3,"-start-quick-start":538,"-start-quick-start-surround":3362},[4,30,80,128,308,440,499],{"title":5,"path":6,"stem":7,"children":8,"page":29},"Start","\u002Fstart","1.start",[9,14,19,24],{"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",false,{"title":31,"path":32,"stem":33,"children":34,"page":29},"Learn","\u002Flearn","2.learn",[35,40,45,50,55,60,65,70,75],{"title":36,"path":37,"stem":38,"icon":39},"Overview","\u002Flearn\u002Foverview","2.learn\u002F0.overview","i-lucide-list",{"title":41,"path":42,"stem":43,"icon":44},"Simple Logging","\u002Flearn\u002Fsimple-logging","2.learn\u002F1.simple-logging","i-lucide-terminal",{"title":46,"path":47,"stem":48,"icon":49},"Wide Events","\u002Flearn\u002Fwide-events","2.learn\u002F2.wide-events","i-lucide-layers",{"title":51,"path":52,"stem":53,"icon":54},"Structured Errors","\u002Flearn\u002Fstructured-errors","2.learn\u002F3.structured-errors","i-lucide-shield-alert",{"title":56,"path":57,"stem":58,"icon":59},"Lifecycle","\u002Flearn\u002Flifecycle","2.learn\u002F4.lifecycle","i-lucide-arrow-right-left",{"title":61,"path":62,"stem":63,"icon":64},"Sampling","\u002Flearn\u002Fsampling","2.learn\u002F5.sampling","i-lucide-filter",{"title":66,"path":67,"stem":68,"icon":69},"Auto-Redaction","\u002Flearn\u002Fredaction","2.learn\u002F6.redaction","i-lucide-eye-off",{"title":71,"path":72,"stem":73,"icon":74},"Typed Fields","\u002Flearn\u002Ftyped-fields","2.learn\u002F7.typed-fields","i-simple-icons-typescript",{"title":76,"path":77,"stem":78,"icon":79},"Catalogs","\u002Flearn\u002Fcatalogs","2.learn\u002F8.catalogs","i-lucide-book-open",{"title":81,"path":82,"stem":83,"children":84,"page":29},"CLI","\u002Fcli","3.cli",[85,88,93,98,103,108,113,118,123],{"title":36,"path":86,"stem":87,"icon":44},"\u002Fcli\u002Foverview","3.cli\u002F0.overview",{"title":89,"path":90,"stem":91,"icon":92},"init","\u002Fcli\u002Finit","3.cli\u002F1.init","i-lucide-wand-sparkles",{"title":94,"path":95,"stem":96,"icon":97},"map","\u002Fcli\u002Fmap","3.cli\u002F2.map","i-lucide-radar",{"title":99,"path":100,"stem":101,"icon":102},"Rules","\u002Fcli\u002Frules","3.cli\u002F3.rules","i-lucide-list-checks",{"title":104,"path":105,"stem":106,"icon":107},"Scoring","\u002Fcli\u002Fscoring","3.cli\u002F4.scoring","i-lucide-gauge",{"title":109,"path":110,"stem":111,"icon":112},"CI","\u002Fcli\u002Fci","3.cli\u002F5.ci","i-lucide-git-pull-request",{"title":114,"path":115,"stem":116,"icon":117},"doctor","\u002Fcli\u002Fdoctor","3.cli\u002F6.doctor","i-lucide-stethoscope",{"title":119,"path":120,"stem":121,"icon":122},"telemetry","\u002Fcli\u002Ftelemetry","3.cli\u002F7.telemetry","i-lucide-bar-chart-3",{"title":124,"path":125,"stem":126,"icon":127},"agents","\u002Fcli\u002Fagents","3.cli\u002F8.agents","i-lucide-bot",{"title":129,"path":130,"stem":131,"children":132,"page":29},"Integrate","\u002Fintegrate","4.integrate",[133,137,220],{"title":36,"path":134,"stem":135,"icon":136},"\u002Fintegrate\u002Foverview","4.integrate\u002F0.overview","i-lucide-plug",{"title":138,"path":139,"stem":140,"children":141,"page":29},"Adapters","\u002Fintegrate\u002Fadapters","4.integrate\u002Fadapters",[142,145,175,200],{"title":36,"path":143,"stem":144,"icon":39},"\u002Fintegrate\u002Fadapters\u002Foverview","4.integrate\u002Fadapters\u002F01.overview",{"title":146,"path":147,"stem":148,"children":149,"page":29},"Cloud","\u002Fintegrate\u002Fadapters\u002Fcloud","4.integrate\u002Fadapters\u002Fcloud",[150,155,160,165,170],{"title":151,"path":152,"stem":153,"icon":154},"Axiom","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Faxiom","4.integrate\u002Fadapters\u002Fcloud\u002F01.axiom","i-custom-axiom",{"title":156,"path":157,"stem":158,"icon":159},"PostHog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fposthog","4.integrate\u002Fadapters\u002Fcloud\u002F02.posthog","i-simple-icons-posthog",{"title":161,"path":162,"stem":163,"icon":164},"Sentry","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fsentry","4.integrate\u002Fadapters\u002Fcloud\u002F03.sentry","i-simple-icons-sentry",{"title":166,"path":167,"stem":168,"icon":169},"Better Stack","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fbetter-stack","4.integrate\u002Fadapters\u002Fcloud\u002F04.better-stack","i-simple-icons-betterstack",{"title":171,"path":172,"stem":173,"icon":174},"Datadog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fdatadog","4.integrate\u002Fadapters\u002Fcloud\u002F05.datadog","i-simple-icons-datadog",{"title":176,"path":177,"stem":178,"children":179,"page":29},"Cloud or Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fhybrid","4.integrate\u002Fadapters\u002Fhybrid",[180,185,190,195],{"title":181,"path":182,"stem":183,"icon":184},"Grafana Loki","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki","4.integrate\u002Fadapters\u002Fhybrid\u002F01.loki","i-simple-icons-grafana",{"title":186,"path":187,"stem":188,"icon":189},"ClickHouse","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fclickhouse","4.integrate\u002Fadapters\u002Fhybrid\u002F02.clickhouse","i-simple-icons-clickhouse",{"title":191,"path":192,"stem":193,"icon":194},"OTLP","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fotlp","4.integrate\u002Fadapters\u002Fhybrid\u002F03.otlp","i-simple-icons-opentelemetry",{"title":196,"path":197,"stem":198,"icon":199},"HyperDX","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fhyperdx","4.integrate\u002Fadapters\u002Fhybrid\u002F04.hyperdx","i-custom-hyperdx",{"title":201,"path":202,"stem":203,"children":204,"page":29},"Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fself-hosted","4.integrate\u002Fadapters\u002Fself-hosted",[205,210,215],{"title":206,"path":207,"stem":208,"icon":209},"File System","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs","4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs","i-lucide-hard-drive",{"title":211,"path":212,"stem":213,"icon":214},"NuxtHub","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fnuxthub","4.integrate\u002Fadapters\u002Fself-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":216,"path":217,"stem":218,"icon":219},"Memory","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fmemory","4.integrate\u002Fadapters\u002Fself-hosted\u002F03.memory","i-lucide-cpu",{"title":221,"path":222,"stem":223,"children":224,"page":29},"Frameworks","\u002Fintegrate\u002Fframeworks","4.integrate\u002Fframeworks",[225,229,234,239,244,249,254,259,264,269,274,279,284,289,293,298,303],{"title":36,"path":226,"stem":227,"icon":228},"\u002Fintegrate\u002Fframeworks\u002Foverview","4.integrate\u002Fframeworks\u002F00.overview","i-lucide-layout-grid",{"title":230,"path":231,"stem":232,"icon":233},"Nuxt","\u002Fintegrate\u002Fframeworks\u002Fnuxt","4.integrate\u002Fframeworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":235,"path":236,"stem":237,"icon":238},"Next.js","\u002Fintegrate\u002Fframeworks\u002Fnextjs","4.integrate\u002Fframeworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":240,"path":241,"stem":242,"icon":243},"SvelteKit","\u002Fintegrate\u002Fframeworks\u002Fsveltekit","4.integrate\u002Fframeworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":245,"path":246,"stem":247,"icon":248},"Nitro","\u002Fintegrate\u002Fframeworks\u002Fnitro","4.integrate\u002Fframeworks\u002F04.nitro","i-custom-nitro",{"title":250,"path":251,"stem":252,"icon":253},"TanStack Start","\u002Fintegrate\u002Fframeworks\u002Ftanstack-start","4.integrate\u002Fframeworks\u002F05.tanstack-start","i-custom-tanstack",{"title":255,"path":256,"stem":257,"icon":258},"NestJS","\u002Fintegrate\u002Fframeworks\u002Fnestjs","4.integrate\u002Fframeworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":260,"path":261,"stem":262,"icon":263},"Express","\u002Fintegrate\u002Fframeworks\u002Fexpress","4.integrate\u002Fframeworks\u002F07.express","i-simple-icons-express",{"title":265,"path":266,"stem":267,"icon":268},"Hono","\u002Fintegrate\u002Fframeworks\u002Fhono","4.integrate\u002Fframeworks\u002F08.hono","i-simple-icons-hono",{"title":270,"path":271,"stem":272,"icon":273},"Fastify","\u002Fintegrate\u002Fframeworks\u002Ffastify","4.integrate\u002Fframeworks\u002F09.fastify","i-simple-icons-fastify",{"title":275,"path":276,"stem":277,"icon":278},"Elysia","\u002Fintegrate\u002Fframeworks\u002Felysia","4.integrate\u002Fframeworks\u002F10.elysia","i-custom-elysia",{"title":280,"path":281,"stem":282,"icon":283},"React Router","\u002Fintegrate\u002Fframeworks\u002Freact-router","4.integrate\u002Fframeworks\u002F11.react-router","i-custom-reactrouter",{"title":285,"path":286,"stem":287,"icon":288},"Cloudflare Workers","\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers","4.integrate\u002Fframeworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":290,"path":291,"stem":292,"icon":74},"Standalone","\u002Fintegrate\u002Fframeworks\u002Fstandalone","4.integrate\u002Fframeworks\u002F13.standalone",{"title":294,"path":295,"stem":296,"icon":297},"Astro","\u002Fintegrate\u002Fframeworks\u002Fastro","4.integrate\u002Fframeworks\u002F14.astro","i-simple-icons-astro",{"title":299,"path":300,"stem":301,"icon":302},"oRPC","\u002Fintegrate\u002Fframeworks\u002Forpc","4.integrate\u002Fframeworks\u002F15.orpc","i-lucide-network",{"title":304,"path":305,"stem":306,"icon":307},"AWS Lambda","\u002Fintegrate\u002Fframeworks\u002Faws-lambda","4.integrate\u002Fframeworks\u002F16.aws-lambda","i-custom-lambda",{"title":309,"path":310,"stem":311,"children":312,"page":29},"Use Cases","\u002Fuse-cases","5.use-cases",[313,316,321,350,377,409,430,435],{"title":36,"path":314,"stem":315,"icon":102},"\u002Fuse-cases\u002Foverview","5.use-cases\u002F0.overview",{"title":317,"path":318,"stem":319,"icon":320},"Client Logging","\u002Fuse-cases\u002Fclient-logging","5.use-cases\u002F1.client-logging","i-lucide-monitor",{"title":322,"icon":323,"path":324,"stem":325,"children":326,"page":29},"AI SDK","i-simple-icons-vercel","\u002Fuse-cases\u002Fai-sdk","5.use-cases\u002F2.ai-sdk",[327,330,335,340,345],{"title":36,"path":328,"stem":329,"icon":39},"\u002Fuse-cases\u002Fai-sdk\u002Foverview","5.use-cases\u002F2.ai-sdk\u002F01.overview",{"title":331,"path":332,"stem":333,"icon":334},"Usage","\u002Fuse-cases\u002Fai-sdk\u002Fusage","5.use-cases\u002F2.ai-sdk\u002F02.usage","i-lucide-code",{"title":336,"path":337,"stem":338,"icon":339},"Options","\u002Fuse-cases\u002Fai-sdk\u002Foptions","5.use-cases\u002F2.ai-sdk\u002F03.options","i-lucide-sliders",{"title":341,"path":342,"stem":343,"icon":344},"Metadata","\u002Fuse-cases\u002Fai-sdk\u002Fmetadata","5.use-cases\u002F2.ai-sdk\u002F04.metadata","i-lucide-database",{"title":346,"path":347,"stem":348,"icon":349},"Telemetry","\u002Fuse-cases\u002Fai-sdk\u002Ftelemetry","5.use-cases\u002F2.ai-sdk\u002F05.telemetry","i-lucide-activity",{"title":351,"icon":352,"path":353,"stem":354,"children":355,"page":29},"Better Auth","i-simple-icons-betterauth","\u002Fuse-cases\u002Fbetter-auth","5.use-cases\u002F3.better-auth",[356,359,364,369,373],{"title":36,"path":357,"stem":358,"icon":39},"\u002Fuse-cases\u002Fbetter-auth\u002Foverview","5.use-cases\u002F3.better-auth\u002F01.overview",{"title":360,"path":361,"stem":362,"icon":363},"Identify User","\u002Fuse-cases\u002Fbetter-auth\u002Fidentify-user","5.use-cases\u002F3.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":365,"path":366,"stem":367,"icon":368},"Middleware","\u002Fuse-cases\u002Fbetter-auth\u002Fmiddleware","5.use-cases\u002F3.better-auth\u002F03.middleware","i-lucide-shield",{"title":370,"path":371,"stem":372,"icon":320},"Client Sync","\u002Fuse-cases\u002Fbetter-auth\u002Fclient-sync","5.use-cases\u002F3.better-auth\u002F04.client-sync",{"title":374,"path":375,"stem":376,"icon":107},"Performance","\u002Fuse-cases\u002Fbetter-auth\u002Fperformance","5.use-cases\u002F3.better-auth\u002F05.performance",{"title":378,"icon":379,"path":380,"stem":381,"children":382,"page":29},"Audit Logs","i-lucide-shield-check","\u002Fuse-cases\u002Faudit","5.use-cases\u002F4.audit",[383,386,391,396,401,405],{"title":36,"path":384,"stem":385,"icon":39},"\u002Fuse-cases\u002Faudit\u002Foverview","5.use-cases\u002F4.audit\u002F01.overview",{"title":387,"path":388,"stem":389,"icon":390},"Schema","\u002Fuse-cases\u002Faudit\u002Fschema","5.use-cases\u002F4.audit\u002F02.schema","i-lucide-file-text",{"title":392,"path":393,"stem":394,"icon":395},"Recording","\u002Fuse-cases\u002Faudit\u002Frecording","5.use-cases\u002F4.audit\u002F03.recording","i-lucide-pen-line",{"title":397,"path":398,"stem":399,"icon":400},"Drains","\u002Fuse-cases\u002Faudit\u002Fpipeline","5.use-cases\u002F4.audit\u002F04.pipeline","i-lucide-link",{"title":402,"path":403,"stem":404,"icon":379},"Compliance","\u002Fuse-cases\u002Faudit\u002Fcompliance","5.use-cases\u002F4.audit\u002F05.compliance",{"title":406,"path":407,"stem":408,"icon":79},"Recipes","\u002Fuse-cases\u002Faudit\u002Frecipes","5.use-cases\u002F4.audit\u002F06.recipes",{"title":346,"icon":107,"path":410,"stem":411,"children":412,"page":29},"\u002Fuse-cases\u002Ftelemetry","5.use-cases\u002F4.telemetry",[413,416,421,426],{"title":36,"path":414,"stem":415,"icon":39},"\u002Fuse-cases\u002Ftelemetry\u002Foverview","5.use-cases\u002F4.telemetry\u002F01.overview",{"title":417,"path":418,"stem":419,"icon":420},"Setup","\u002Fuse-cases\u002Ftelemetry\u002Fsetup","5.use-cases\u002F4.telemetry\u002F02.setup","i-lucide-wrench",{"title":422,"path":423,"stem":424,"icon":425},"Ingest","\u002Fuse-cases\u002Ftelemetry\u002Fingest","5.use-cases\u002F4.telemetry\u002F03.ingest","i-lucide-server",{"title":427,"path":428,"stem":429,"icon":79},"Reference","\u002Fuse-cases\u002Ftelemetry\u002Freference","5.use-cases\u002F4.telemetry\u002F04.reference",{"title":431,"path":432,"stem":433,"icon":434},"Enrichers","\u002Fuse-cases\u002Fenrichers","5.use-cases\u002F5.enrichers","i-lucide-sparkles",{"title":436,"path":437,"stem":438,"icon":439},"eve","\u002Fuse-cases\u002Feve","5.use-cases\u002F5.eve","i-custom-eve",{"title":441,"path":442,"stem":443,"children":444,"page":29},"Extend","\u002Fextend","6.extend",[445,449,454,459,463,468,472,476,480,484,489,494],{"title":36,"path":446,"stem":447,"icon":448},"\u002Fextend\u002Foverview","6.extend\u002F0.overview","i-lucide-blocks",{"title":450,"path":451,"stem":452,"icon":453},"Stream","\u002Fextend\u002Fstream","6.extend\u002F1.stream","i-lucide-radio-tower",{"title":455,"path":456,"stem":457,"icon":458},"Custom framework","\u002Fextend\u002Fcustom-framework","6.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":460,"path":461,"stem":462,"icon":453},"Diagnostics channel","\u002Fextend\u002Fdiagnostics-channel","6.extend\u002F11.diagnostics-channel",{"title":464,"path":465,"stem":466,"icon":467},"FS reader","\u002Fextend\u002Ffs-reader","6.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":406,"path":469,"stem":470,"icon":471},"\u002Fextend\u002Fconsumer-recipes","6.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":473,"path":474,"stem":475,"icon":448},"Plugins","\u002Fextend\u002Fplugins","6.extend\u002F4.plugins",{"title":477,"path":478,"stem":479,"icon":434},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","6.extend\u002F5.custom-enrichers",{"title":481,"path":482,"stem":483,"icon":64},"Tail sampling","\u002Fextend\u002Ftail-sampling","6.extend\u002F6.tail-sampling",{"title":485,"path":486,"stem":487,"icon":488},"Identity headers","\u002Fextend\u002Fidentity-headers","6.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":490,"path":491,"stem":492,"icon":493},"Custom drains","\u002Fextend\u002Fcustom-drains","6.extend\u002F8.custom-drains","i-lucide-share-2",{"title":495,"path":496,"stem":497,"icon":498},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","6.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":427,"path":500,"stem":501,"children":502,"page":29},"\u002Freference","7.reference",[503,507,512,515,520,524,529,533],{"title":36,"path":504,"stem":505,"icon":506},"\u002Freference\u002Foverview","7.reference\u002F0.overview","i-lucide-book-marked",{"title":508,"path":509,"stem":510,"icon":511},"Configuration","\u002Freference\u002Fconfiguration","7.reference\u002F1.configuration","i-lucide-settings",{"title":374,"path":513,"stem":514,"icon":107},"\u002Freference\u002Fperformance","7.reference\u002F2.performance",{"title":516,"path":517,"stem":518,"icon":519},"Vite Plugin","\u002Freference\u002Fvite-plugin","7.reference\u002F3.vite-plugin","i-custom-vite",{"title":521,"path":522,"stem":523,"icon":379},"Best Practices","\u002Freference\u002Fbest-practices","7.reference\u002F4.best-practices",{"title":525,"path":526,"stem":527,"icon":528},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","7.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":530,"path":531,"stem":532,"icon":434},"Agent Skills","\u002Freference\u002Fagent-skills","7.reference\u002F6.agent-skills",{"title":534,"path":535,"stem":536,"icon":537},"Cost","\u002Freference\u002Fcost","7.reference\u002F7.cost","i-lucide-receipt",{"id":539,"title":25,"body":540,"description":3352,"extension":3353,"links":3354,"meta":3358,"navigation":3359,"path":26,"seo":3360,"stem":27,"__hash__":3361},"docs\u002F1.start\u002F4.quick-start.md",{"type":541,"value":542,"toc":3337},"minimark",[543,547,572,616,621,624,837,840,861,869,873,883,1148,1168,1184,1257,1271,1275,1282,1611,1621,1626,1689,1693,1696,1701,1707,1897,1900,1947,1951,1956,2084,2097,2101,2107,2359,2363,2465,2469,2474,2836,2840,2846,3237,3243,3247,3250,3273,3288,3291,3295,3333],[544,545,546],"p",{},"This guide covers the core APIs you'll use most often with evlog.",[548,549,551,552,556,557,561,562,561,565,561,568,571],"callout",{"color":550,"icon":434},"info","In Nuxt, evlog ",[553,554,555],"strong",{},"auto-imports"," all functions (",[558,559,560],"code",{},"useLogger",", ",[558,563,564],{},"log",[558,566,567],{},"createError",[558,569,570],{},"parseError","). No import statements needed.",[573,574,577,580,602],"prompt",{":actions":575,"description":576,"icon":28},"[\"copy\",\"cursor\",\"claude\"]","Get evlog running in 2 minutes",[544,578,579],{},"Get evlog running in my project in under 2 minutes.",[581,582,583,587,590,593,596,599],"ul",{},[584,585,586],"li",{},"Install evlog: pnpm add evlog",[584,588,589],{},"Detect my framework and wire up the matching integration",[584,591,592],{},"Set evlog.env.service to my app name",[584,594,595],{},"Add a single useLogger(event) call in a route handler with log.set({ ... })",[584,597,598],{},"Throw one createError({ message, status, why, fix }) for an invalid input case",[584,600,601],{},"Trigger the route locally and confirm a single wide event prints to the terminal",[544,603,604,605,611,612],{},"Docs: ",[606,607,608],"a",{"href":608,"rel":609},"https:\u002F\u002Fwww.evlog.dev\u002Fstart\u002Fquick-start",[610],"nofollow","\nFrameworks: ",[606,613,614],{"href":614,"rel":615},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Foverview",[610],[617,618,620],"h2",{"id":619},"log-simple-logging","log (Simple Logging)",[544,622,623],{},"The simplest way to use evlog. Fire-and-forget structured logs, anywhere in your code:",[625,626,627,789],"code-group",{},[628,629,635],"pre",{"className":630,"code":631,"filename":632,"language":633,"meta":634,"style":634},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { log } from 'evlog'\n\nlog.info('auth', 'User logged in')\nlog.error({ action: 'payment', error: 'card_declined' })\nlog.warn('cache', 'Cache miss')\n","Server","typescript","",[558,636,637,670,677,712,759],{"__ignoreMap":634},[638,639,642,646,650,654,657,660,663,667],"span",{"class":640,"line":641},"line",1,[638,643,645],{"class":644},"s7zQu","import",[638,647,649],{"class":648},"sMK4o"," {",[638,651,653],{"class":652},"sTEyZ"," log",[638,655,656],{"class":648}," }",[638,658,659],{"class":644}," from",[638,661,662],{"class":648}," '",[638,664,666],{"class":665},"sfazB","evlog",[638,668,669],{"class":648},"'\n",[638,671,673],{"class":640,"line":672},2,[638,674,676],{"emptyLinePlaceholder":675},true,"\n",[638,678,680,682,685,688,691,694,697,699,702,704,707,709],{"class":640,"line":679},3,[638,681,564],{"class":652},[638,683,684],{"class":648},".",[638,686,550],{"class":687},"s2Zo4",[638,689,690],{"class":652},"(",[638,692,693],{"class":648},"'",[638,695,696],{"class":665},"auth",[638,698,693],{"class":648},[638,700,701],{"class":648},",",[638,703,662],{"class":648},[638,705,706],{"class":665},"User logged in",[638,708,693],{"class":648},[638,710,711],{"class":652},")\n",[638,713,715,717,719,722,724,727,731,734,736,739,741,743,746,748,750,753,755,757],{"class":640,"line":714},4,[638,716,564],{"class":652},[638,718,684],{"class":648},[638,720,721],{"class":687},"error",[638,723,690],{"class":652},[638,725,726],{"class":648},"{",[638,728,730],{"class":729},"swJcz"," action",[638,732,733],{"class":648},":",[638,735,662],{"class":648},[638,737,738],{"class":665},"payment",[638,740,693],{"class":648},[638,742,701],{"class":648},[638,744,745],{"class":729}," error",[638,747,733],{"class":648},[638,749,662],{"class":648},[638,751,752],{"class":665},"card_declined",[638,754,693],{"class":648},[638,756,656],{"class":648},[638,758,711],{"class":652},[638,760,762,764,766,769,771,773,776,778,780,782,785,787],{"class":640,"line":761},5,[638,763,564],{"class":652},[638,765,684],{"class":648},[638,767,768],{"class":687},"warn",[638,770,690],{"class":652},[638,772,693],{"class":648},[638,774,775],{"class":665},"cache",[638,777,693],{"class":648},[638,779,701],{"class":648},[638,781,662],{"class":648},[638,783,784],{"class":665},"Cache miss",[638,786,693],{"class":648},[638,788,711],{"class":652},[628,790,795],{"className":791,"code":792,"filename":793,"language":794,"meta":634,"style":634},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","10:23:45.612 [auth] User logged in\n10:23:45.613 ERROR [my-app] action=payment error=card_declined\n10:23:45.614 [cache] Cache miss\n","Output","bash",[558,796,797,806,829],{"__ignoreMap":634},[638,798,799,803],{"class":640,"line":641},[638,800,802],{"class":801},"sBMFI","10:23:45.612",[638,804,805],{"class":652}," [auth] User logged in\n",[638,807,808,811,814,817,820,822,824,826],{"class":640,"line":672},[638,809,810],{"class":801},"10:23:45.613",[638,812,813],{"class":665}," ERROR",[638,815,816],{"class":652}," [my-app] action",[638,818,819],{"class":648},"=",[638,821,738],{"class":665},[638,823,745],{"class":652},[638,825,819],{"class":648},[638,827,828],{"class":665},"card_declined\n",[638,830,831,834],{"class":640,"line":679},[638,832,833],{"class":801},"10:23:45.614",[638,835,836],{"class":652}," [cache] Cache miss\n",[544,838,839],{},"Two call styles:",[581,841,842,852],{},[584,843,844,847,848,851],{},[553,845,846],{},"Tagged",": ",[558,849,850],{},"log.info('tag', 'message')"," for quick, readable console output",[584,853,854,847,857,860],{},[553,855,856],{},"Structured",[558,858,859],{},"log.info({ key: value })"," for rich events that flow through the drain pipeline",[548,862,865,866,868],{"color":863,"icon":864},"neutral","i-lucide-arrow-right","See the full ",[606,867,41],{"href":42}," guide for all patterns and drain integration.",[617,870,872],{"id":871},"createlogger-wide-events","createLogger (Wide Events)",[544,874,875,876,879,880,733],{},"When you need to ",[553,877,878],{},"accumulate context"," across multiple steps of an operation, whether a script, background job, queue worker, or workflow, use ",[558,881,882],{},"createLogger",[625,884,885,1091],{},[628,886,889],{"className":630,"code":887,"filename":888,"language":633,"meta":634,"style":634},"import { initLogger, createLogger } from 'evlog'\n\ninitLogger({ env: { service: 'sync-worker' } })\n\nconst log = createLogger({ jobId: job.id, queue: 'emails' })\n\nlog.set({ batch: { size: 50 } })\nlog.set({ batch: { processed: 50 } })\nlog.emit()\n","scripts\u002Fsync-job.ts",[558,890,891,915,919,953,957,1005,1010,1046,1078],{"__ignoreMap":634},[638,892,893,895,897,900,902,905,907,909,911,913],{"class":640,"line":641},[638,894,645],{"class":644},[638,896,649],{"class":648},[638,898,899],{"class":652}," initLogger",[638,901,701],{"class":648},[638,903,904],{"class":652}," createLogger",[638,906,656],{"class":648},[638,908,659],{"class":644},[638,910,662],{"class":648},[638,912,666],{"class":665},[638,914,669],{"class":648},[638,916,917],{"class":640,"line":672},[638,918,676],{"emptyLinePlaceholder":675},[638,920,921,924,926,928,931,933,935,938,940,942,945,947,949,951],{"class":640,"line":679},[638,922,923],{"class":687},"initLogger",[638,925,690],{"class":652},[638,927,726],{"class":648},[638,929,930],{"class":729}," env",[638,932,733],{"class":648},[638,934,649],{"class":648},[638,936,937],{"class":729}," service",[638,939,733],{"class":648},[638,941,662],{"class":648},[638,943,944],{"class":665},"sync-worker",[638,946,693],{"class":648},[638,948,656],{"class":648},[638,950,656],{"class":648},[638,952,711],{"class":652},[638,954,955],{"class":640,"line":714},[638,956,676],{"emptyLinePlaceholder":675},[638,958,959,963,966,968,970,972,974,977,979,982,984,987,989,992,994,996,999,1001,1003],{"class":640,"line":761},[638,960,962],{"class":961},"spNyl","const",[638,964,965],{"class":652}," log ",[638,967,819],{"class":648},[638,969,904],{"class":687},[638,971,690],{"class":652},[638,973,726],{"class":648},[638,975,976],{"class":729}," jobId",[638,978,733],{"class":648},[638,980,981],{"class":652}," job",[638,983,684],{"class":648},[638,985,986],{"class":652},"id",[638,988,701],{"class":648},[638,990,991],{"class":729}," queue",[638,993,733],{"class":648},[638,995,662],{"class":648},[638,997,998],{"class":665},"emails",[638,1000,693],{"class":648},[638,1002,656],{"class":648},[638,1004,711],{"class":652},[638,1006,1008],{"class":640,"line":1007},6,[638,1009,676],{"emptyLinePlaceholder":675},[638,1011,1013,1015,1017,1020,1022,1024,1027,1029,1031,1034,1036,1040,1042,1044],{"class":640,"line":1012},7,[638,1014,564],{"class":652},[638,1016,684],{"class":648},[638,1018,1019],{"class":687},"set",[638,1021,690],{"class":652},[638,1023,726],{"class":648},[638,1025,1026],{"class":729}," batch",[638,1028,733],{"class":648},[638,1030,649],{"class":648},[638,1032,1033],{"class":729}," size",[638,1035,733],{"class":648},[638,1037,1039],{"class":1038},"sbssI"," 50",[638,1041,656],{"class":648},[638,1043,656],{"class":648},[638,1045,711],{"class":652},[638,1047,1049,1051,1053,1055,1057,1059,1061,1063,1065,1068,1070,1072,1074,1076],{"class":640,"line":1048},8,[638,1050,564],{"class":652},[638,1052,684],{"class":648},[638,1054,1019],{"class":687},[638,1056,690],{"class":652},[638,1058,726],{"class":648},[638,1060,1026],{"class":729},[638,1062,733],{"class":648},[638,1064,649],{"class":648},[638,1066,1067],{"class":729}," processed",[638,1069,733],{"class":648},[638,1071,1039],{"class":1038},[638,1073,656],{"class":648},[638,1075,656],{"class":648},[638,1077,711],{"class":652},[638,1079,1081,1083,1085,1088],{"class":640,"line":1080},9,[638,1082,564],{"class":652},[638,1084,684],{"class":648},[638,1086,1087],{"class":687},"emit",[638,1089,1090],{"class":652},"()\n",[628,1092,1095],{"className":791,"code":1093,"filename":1094,"language":794,"meta":634,"style":634},"10:23:45.612 INFO [sync-worker] in 1204ms\n  ├─ jobId: job_abc123\n  ├─ queue: emails\n  └─ batch: size=50 processed=50\n","Output (Pretty)",[558,1096,1097,1107,1118,1128],{"__ignoreMap":634},[638,1098,1099,1101,1104],{"class":640,"line":641},[638,1100,802],{"class":801},[638,1102,1103],{"class":665}," INFO",[638,1105,1106],{"class":652}," [sync-worker] in 1204ms\n",[638,1108,1109,1112,1115],{"class":640,"line":672},[638,1110,1111],{"class":801},"  ├─",[638,1113,1114],{"class":665}," jobId:",[638,1116,1117],{"class":665}," job_abc123\n",[638,1119,1120,1122,1125],{"class":640,"line":679},[638,1121,1111],{"class":801},[638,1123,1124],{"class":665}," queue:",[638,1126,1127],{"class":665}," emails\n",[638,1129,1130,1133,1136,1139,1142,1145],{"class":640,"line":714},[638,1131,1132],{"class":801},"  └─",[638,1134,1135],{"class":665}," batch:",[638,1137,1138],{"class":665}," size=",[638,1140,1141],{"class":1038},"50",[638,1143,1144],{"class":665}," processed=",[638,1146,1147],{"class":1038},"50\n",[544,1149,1150,1153,1154,561,1156,561,1158,561,1160,561,1162,1164,1165,684],{},[558,1151,1152],{},"createLogger()"," accepts any initial context as a plain object. It returns a logger with ",[558,1155,1019],{},[558,1157,721],{},[558,1159,550],{},[558,1161,768],{},[558,1163,1087],{},", and ",[558,1166,1167],{},"getContext",[544,1169,1170,1171,1174,1175,561,1178,1164,1181,733],{},"For HTTP request contexts specifically, use ",[558,1172,1173],{},"createRequestLogger()"," which pre-populates ",[558,1176,1177],{},"method",[558,1179,1180],{},"path",[558,1182,1183],{},"requestId",[628,1185,1188],{"className":630,"code":1186,"filename":1187,"language":633,"meta":634,"style":634},"import { createRequestLogger } from 'evlog'\n\nconst log = createRequestLogger({ method: 'POST', path: '\u002Fapi\u002Fcheckout' })\n","src\u002Fworker.ts",[558,1189,1190,1209,1213],{"__ignoreMap":634},[638,1191,1192,1194,1196,1199,1201,1203,1205,1207],{"class":640,"line":641},[638,1193,645],{"class":644},[638,1195,649],{"class":648},[638,1197,1198],{"class":652}," createRequestLogger",[638,1200,656],{"class":648},[638,1202,659],{"class":644},[638,1204,662],{"class":648},[638,1206,666],{"class":665},[638,1208,669],{"class":648},[638,1210,1211],{"class":640,"line":672},[638,1212,676],{"emptyLinePlaceholder":675},[638,1214,1215,1217,1219,1221,1223,1225,1227,1230,1232,1234,1237,1239,1241,1244,1246,1248,1251,1253,1255],{"class":640,"line":679},[638,1216,962],{"class":961},[638,1218,965],{"class":652},[638,1220,819],{"class":648},[638,1222,1198],{"class":687},[638,1224,690],{"class":652},[638,1226,726],{"class":648},[638,1228,1229],{"class":729}," method",[638,1231,733],{"class":648},[638,1233,662],{"class":648},[638,1235,1236],{"class":665},"POST",[638,1238,693],{"class":648},[638,1240,701],{"class":648},[638,1242,1243],{"class":729}," path",[638,1245,733],{"class":648},[638,1247,662],{"class":648},[638,1249,1250],{"class":665},"\u002Fapi\u002Fcheckout",[638,1252,693],{"class":648},[638,1254,656],{"class":648},[638,1256,711],{"class":652},[548,1258,1259,1260,1262,1263,1266,1267,1270],{"color":550,"icon":13},"With ",[558,1261,882],{}," and ",[558,1264,1265],{},"createRequestLogger",", you must call ",[558,1268,1269],{},"log.emit()"," manually. In framework integrations, this happens automatically.",[617,1272,1274],{"id":1273},"uselogger-retrieve-the-request-logger","useLogger (Retrieve the Request Logger)",[544,1276,1277,1278,1281],{},"When using a framework integration (Nuxt, Hono, Express, etc.), the middleware automatically creates a wide event logger on request start and emits it on response end. ",[558,1279,1280],{},"useLogger(event)"," retrieves that logger from the request context:",[625,1283,1284,1552],{},[628,1285,1288],{"className":630,"code":1286,"filename":1287,"language":633,"meta":634,"style":634},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler(async (event) => {\n  const log = useLogger(event)\n\n  log.set({ user: { id: 1, plan: 'pro' } })\n  log.set({ cart: { items: 3, total: 9999 } })\n\n  const order = await processCheckout()\n  log.set({ orderId: order.id })\n\n  return { success: true, orderId: order.id }\n})\n","server\u002Fapi\u002Fcheckout.post.ts",[558,1289,1290,1309,1313,1345,1363,1367,1415,1458,1462,1479,1507,1512,1544],{"__ignoreMap":634},[638,1291,1292,1294,1296,1299,1301,1303,1305,1307],{"class":640,"line":641},[638,1293,645],{"class":644},[638,1295,649],{"class":648},[638,1297,1298],{"class":652}," useLogger",[638,1300,656],{"class":648},[638,1302,659],{"class":644},[638,1304,662],{"class":648},[638,1306,666],{"class":665},[638,1308,669],{"class":648},[638,1310,1311],{"class":640,"line":672},[638,1312,676],{"emptyLinePlaceholder":675},[638,1314,1315,1318,1321,1324,1326,1329,1332,1336,1339,1342],{"class":640,"line":679},[638,1316,1317],{"class":644},"export",[638,1319,1320],{"class":644}," default",[638,1322,1323],{"class":687}," defineEventHandler",[638,1325,690],{"class":652},[638,1327,1328],{"class":961},"async",[638,1330,1331],{"class":648}," (",[638,1333,1335],{"class":1334},"sHdIc","event",[638,1337,1338],{"class":648},")",[638,1340,1341],{"class":961}," =>",[638,1343,1344],{"class":648}," {\n",[638,1346,1347,1350,1352,1355,1357,1359,1361],{"class":640,"line":714},[638,1348,1349],{"class":961},"  const",[638,1351,653],{"class":652},[638,1353,1354],{"class":648}," =",[638,1356,1298],{"class":687},[638,1358,690],{"class":729},[638,1360,1335],{"class":652},[638,1362,711],{"class":729},[638,1364,1365],{"class":640,"line":761},[638,1366,676],{"emptyLinePlaceholder":675},[638,1368,1369,1372,1374,1376,1378,1380,1383,1385,1387,1390,1392,1395,1397,1400,1402,1404,1407,1409,1411,1413],{"class":640,"line":1007},[638,1370,1371],{"class":652},"  log",[638,1373,684],{"class":648},[638,1375,1019],{"class":687},[638,1377,690],{"class":729},[638,1379,726],{"class":648},[638,1381,1382],{"class":729}," user",[638,1384,733],{"class":648},[638,1386,649],{"class":648},[638,1388,1389],{"class":729}," id",[638,1391,733],{"class":648},[638,1393,1394],{"class":1038}," 1",[638,1396,701],{"class":648},[638,1398,1399],{"class":729}," plan",[638,1401,733],{"class":648},[638,1403,662],{"class":648},[638,1405,1406],{"class":665},"pro",[638,1408,693],{"class":648},[638,1410,656],{"class":648},[638,1412,656],{"class":648},[638,1414,711],{"class":729},[638,1416,1417,1419,1421,1423,1425,1427,1430,1432,1434,1437,1439,1442,1444,1447,1449,1452,1454,1456],{"class":640,"line":1012},[638,1418,1371],{"class":652},[638,1420,684],{"class":648},[638,1422,1019],{"class":687},[638,1424,690],{"class":729},[638,1426,726],{"class":648},[638,1428,1429],{"class":729}," cart",[638,1431,733],{"class":648},[638,1433,649],{"class":648},[638,1435,1436],{"class":729}," items",[638,1438,733],{"class":648},[638,1440,1441],{"class":1038}," 3",[638,1443,701],{"class":648},[638,1445,1446],{"class":729}," total",[638,1448,733],{"class":648},[638,1450,1451],{"class":1038}," 9999",[638,1453,656],{"class":648},[638,1455,656],{"class":648},[638,1457,711],{"class":729},[638,1459,1460],{"class":640,"line":1048},[638,1461,676],{"emptyLinePlaceholder":675},[638,1463,1464,1466,1469,1471,1474,1477],{"class":640,"line":1080},[638,1465,1349],{"class":961},[638,1467,1468],{"class":652}," order",[638,1470,1354],{"class":648},[638,1472,1473],{"class":644}," await",[638,1475,1476],{"class":687}," processCheckout",[638,1478,1090],{"class":729},[638,1480,1482,1484,1486,1488,1490,1492,1495,1497,1499,1501,1503,1505],{"class":640,"line":1481},10,[638,1483,1371],{"class":652},[638,1485,684],{"class":648},[638,1487,1019],{"class":687},[638,1489,690],{"class":729},[638,1491,726],{"class":648},[638,1493,1494],{"class":729}," orderId",[638,1496,733],{"class":648},[638,1498,1468],{"class":652},[638,1500,684],{"class":648},[638,1502,986],{"class":652},[638,1504,656],{"class":648},[638,1506,711],{"class":729},[638,1508,1510],{"class":640,"line":1509},11,[638,1511,676],{"emptyLinePlaceholder":675},[638,1513,1515,1518,1520,1523,1525,1529,1531,1533,1535,1537,1539,1541],{"class":640,"line":1514},12,[638,1516,1517],{"class":644},"  return",[638,1519,649],{"class":648},[638,1521,1522],{"class":729}," success",[638,1524,733],{"class":648},[638,1526,1528],{"class":1527},"sfNiH"," true",[638,1530,701],{"class":648},[638,1532,1494],{"class":729},[638,1534,733],{"class":648},[638,1536,1468],{"class":652},[638,1538,684],{"class":648},[638,1540,986],{"class":652},[638,1542,1543],{"class":648}," }\n",[638,1545,1547,1550],{"class":640,"line":1546},13,[638,1548,1549],{"class":648},"}",[638,1551,711],{"class":652},[628,1553,1555],{"className":791,"code":1554,"filename":1094,"language":794,"meta":634,"style":634},"10:23:45.612 INFO [my-app] POST \u002Fapi\u002Fcheckout 200 in 234ms\n  ├─ user: id=1 plan=pro\n  ├─ cart: items=3 total=9999\n  └─ orderId: ord_abc123\n",[558,1556,1557,1566,1582,1601],{"__ignoreMap":634},[638,1558,1559,1561,1563],{"class":640,"line":641},[638,1560,802],{"class":801},[638,1562,1103],{"class":665},[638,1564,1565],{"class":652}," [my-app] POST \u002Fapi\u002Fcheckout 200 in 234ms\n",[638,1567,1568,1570,1573,1576,1579],{"class":640,"line":672},[638,1569,1111],{"class":801},[638,1571,1572],{"class":665}," user:",[638,1574,1575],{"class":665}," id=",[638,1577,1578],{"class":1038},"1",[638,1580,1581],{"class":665}," plan=pro\n",[638,1583,1584,1586,1589,1592,1595,1598],{"class":640,"line":679},[638,1585,1111],{"class":801},[638,1587,1588],{"class":665}," cart:",[638,1590,1591],{"class":665}," items=",[638,1593,1594],{"class":1038},"3",[638,1596,1597],{"class":665}," total=",[638,1599,1600],{"class":1038},"9999\n",[638,1602,1603,1605,1608],{"class":640,"line":714},[638,1604,1132],{"class":801},[638,1606,1607],{"class":665}," orderId:",[638,1609,1610],{"class":665}," ord_abc123\n",[548,1612,1615,1617,1618,684],{"color":1613,"icon":1614},"success","i-lucide-check",[558,1616,560],{}," doesn't create a logger, the framework middleware already did that. It just retrieves it from the event context so you can add data with ",[558,1619,1620],{},"set()",[1622,1623,1625],"h3",{"id":1624},"when-to-use-what","When to use what",[1627,1628,1629,1652],"table",{},[1630,1631,1632],"thead",{},[1633,1634,1635,1641,1648],"tr",{},[1636,1637,1638,1639],"th",{},"Use ",[558,1640,564],{},[1636,1642,1638,1643,1645,1646],{},[558,1644,1152],{}," \u002F ",[558,1647,1173],{},[1636,1649,1638,1650],{},[558,1651,1280],{},[1653,1654,1655,1667,1678],"tbody",{},[1633,1656,1657,1661,1664],{},[1658,1659,1660],"td",{},"Quick one-off events",[1658,1662,1663],{},"Scripts, jobs, workers, queues, HTTP without a framework",[1658,1665,1666],{},"API routes with a framework integration",[1633,1668,1669,1672,1675],{},[1658,1670,1671],{},"No context accumulation needed",[1658,1673,1674],{},"Accumulate context over an operation",[1658,1676,1677],{},"Retrieve the request-scoped logger",[1633,1679,1680,1683,1686],{},[1658,1681,1682],{},"Client-side logging",[1658,1684,1685],{},"Wide events (one log per operation)",[1658,1687,1688],{},"Access the auto-managed wide event",[1622,1690,1692],{"id":1691},"service-identification","Service Identification",[544,1694,1695],{},"In multi-service architectures, differentiate which service a log belongs to using either route-based configuration or explicit service names.",[1697,1698,1700],"h4",{"id":1699},"route-based-configuration","Route-Based Configuration",[544,1702,1703,1704,733],{},"Configure service names per route pattern in your ",[558,1705,1706],{},"nuxt.config.ts",[628,1708,1710],{"className":630,"code":1709,"filename":1706,"language":633,"meta":634,"style":634},"export default defineNuxtConfig({\n  modules: ['evlog\u002Fnuxt'],\n\n  evlog: {\n    env: {\n      service: 'default-service',\n    },\n    routes: {\n      '\u002Fapi\u002Fauth\u002F**': { service: 'auth-service' },\n      '\u002Fapi\u002Fpayment\u002F**': { service: 'payment-service' },\n      '\u002Fapi\u002Fbooking\u002F**': { service: 'booking-service' },\n    },\n  },\n})\n",[558,1711,1712,1726,1749,1753,1762,1771,1787,1792,1801,1829,1855,1881,1885,1890],{"__ignoreMap":634},[638,1713,1714,1716,1718,1721,1723],{"class":640,"line":641},[638,1715,1317],{"class":644},[638,1717,1320],{"class":644},[638,1719,1720],{"class":687}," defineNuxtConfig",[638,1722,690],{"class":652},[638,1724,1725],{"class":648},"{\n",[638,1727,1728,1731,1733,1736,1738,1741,1743,1746],{"class":640,"line":672},[638,1729,1730],{"class":729},"  modules",[638,1732,733],{"class":648},[638,1734,1735],{"class":652}," [",[638,1737,693],{"class":648},[638,1739,1740],{"class":665},"evlog\u002Fnuxt",[638,1742,693],{"class":648},[638,1744,1745],{"class":652},"]",[638,1747,1748],{"class":648},",\n",[638,1750,1751],{"class":640,"line":679},[638,1752,676],{"emptyLinePlaceholder":675},[638,1754,1755,1758,1760],{"class":640,"line":714},[638,1756,1757],{"class":729},"  evlog",[638,1759,733],{"class":648},[638,1761,1344],{"class":648},[638,1763,1764,1767,1769],{"class":640,"line":761},[638,1765,1766],{"class":729},"    env",[638,1768,733],{"class":648},[638,1770,1344],{"class":648},[638,1772,1773,1776,1778,1780,1783,1785],{"class":640,"line":1007},[638,1774,1775],{"class":729},"      service",[638,1777,733],{"class":648},[638,1779,662],{"class":648},[638,1781,1782],{"class":665},"default-service",[638,1784,693],{"class":648},[638,1786,1748],{"class":648},[638,1788,1789],{"class":640,"line":1012},[638,1790,1791],{"class":648},"    },\n",[638,1793,1794,1797,1799],{"class":640,"line":1048},[638,1795,1796],{"class":729},"    routes",[638,1798,733],{"class":648},[638,1800,1344],{"class":648},[638,1802,1803,1806,1809,1811,1813,1815,1817,1819,1821,1824,1826],{"class":640,"line":1080},[638,1804,1805],{"class":648},"      '",[638,1807,1808],{"class":729},"\u002Fapi\u002Fauth\u002F**",[638,1810,693],{"class":648},[638,1812,733],{"class":648},[638,1814,649],{"class":648},[638,1816,937],{"class":729},[638,1818,733],{"class":648},[638,1820,662],{"class":648},[638,1822,1823],{"class":665},"auth-service",[638,1825,693],{"class":648},[638,1827,1828],{"class":648}," },\n",[638,1830,1831,1833,1836,1838,1840,1842,1844,1846,1848,1851,1853],{"class":640,"line":1481},[638,1832,1805],{"class":648},[638,1834,1835],{"class":729},"\u002Fapi\u002Fpayment\u002F**",[638,1837,693],{"class":648},[638,1839,733],{"class":648},[638,1841,649],{"class":648},[638,1843,937],{"class":729},[638,1845,733],{"class":648},[638,1847,662],{"class":648},[638,1849,1850],{"class":665},"payment-service",[638,1852,693],{"class":648},[638,1854,1828],{"class":648},[638,1856,1857,1859,1862,1864,1866,1868,1870,1872,1874,1877,1879],{"class":640,"line":1509},[638,1858,1805],{"class":648},[638,1860,1861],{"class":729},"\u002Fapi\u002Fbooking\u002F**",[638,1863,693],{"class":648},[638,1865,733],{"class":648},[638,1867,649],{"class":648},[638,1869,937],{"class":729},[638,1871,733],{"class":648},[638,1873,662],{"class":648},[638,1875,1876],{"class":665},"booking-service",[638,1878,693],{"class":648},[638,1880,1828],{"class":648},[638,1882,1883],{"class":640,"line":1514},[638,1884,1791],{"class":648},[638,1886,1887],{"class":640,"line":1546},[638,1888,1889],{"class":648},"  },\n",[638,1891,1893,1895],{"class":640,"line":1892},14,[638,1894,1549],{"class":648},[638,1896,711],{"class":652},[544,1898,1899],{},"Logs from routes matching these patterns will automatically include the configured service name:",[628,1901,1903],{"className":791,"code":1902,"filename":793,"language":794,"meta":634,"style":634},"21:57:10.442 INFO [auth-service] POST \u002Fapi\u002Fauth\u002Flogin 200 in 1ms\n  ├─ requestId: 88ced16a-bef2-4483-86cb-2b4fb677ea52\n  ├─ user: id=user_123 email=demo@example.com\n  └─ action: login\n",[558,1904,1905,1915,1925,1937],{"__ignoreMap":634},[638,1906,1907,1910,1912],{"class":640,"line":641},[638,1908,1909],{"class":801},"21:57:10.442",[638,1911,1103],{"class":665},[638,1913,1914],{"class":652}," [auth-service] POST \u002Fapi\u002Fauth\u002Flogin 200 in 1ms\n",[638,1916,1917,1919,1922],{"class":640,"line":672},[638,1918,1111],{"class":801},[638,1920,1921],{"class":665}," requestId:",[638,1923,1924],{"class":665}," 88ced16a-bef2-4483-86cb-2b4fb677ea52\n",[638,1926,1927,1929,1931,1934],{"class":640,"line":679},[638,1928,1111],{"class":801},[638,1930,1572],{"class":665},[638,1932,1933],{"class":665}," id=user_123",[638,1935,1936],{"class":665}," email=demo@example.com\n",[638,1938,1939,1941,1944],{"class":640,"line":714},[638,1940,1132],{"class":801},[638,1942,1943],{"class":665}," action:",[638,1945,1946],{"class":665}," login\n",[1697,1948,1950],{"id":1949},"explicit-service-parameter","Explicit Service Parameter",[544,1952,1953,1954,733],{},"Override the service name for specific routes using the second parameter of ",[558,1955,560],{},[628,1957,1960],{"className":630,"code":1958,"filename":1959,"language":633,"meta":634,"style":634},"import { useLogger } from 'evlog'\n\nexport default defineEventHandler((event) => {\n  const log = useLogger(event, 'legacy-service')\n\n  log.set({ action: 'process_legacy_request' })\n\n  return { success: true }\n})\n","server\u002Fapi\u002Flegacy\u002Fprocess.post.ts",[558,1961,1962,1980,1984,2004,2029,2033,2060,2064,2078],{"__ignoreMap":634},[638,1963,1964,1966,1968,1970,1972,1974,1976,1978],{"class":640,"line":641},[638,1965,645],{"class":644},[638,1967,649],{"class":648},[638,1969,1298],{"class":652},[638,1971,656],{"class":648},[638,1973,659],{"class":644},[638,1975,662],{"class":648},[638,1977,666],{"class":665},[638,1979,669],{"class":648},[638,1981,1982],{"class":640,"line":672},[638,1983,676],{"emptyLinePlaceholder":675},[638,1985,1986,1988,1990,1992,1994,1996,1998,2000,2002],{"class":640,"line":679},[638,1987,1317],{"class":644},[638,1989,1320],{"class":644},[638,1991,1323],{"class":687},[638,1993,690],{"class":652},[638,1995,690],{"class":648},[638,1997,1335],{"class":1334},[638,1999,1338],{"class":648},[638,2001,1341],{"class":961},[638,2003,1344],{"class":648},[638,2005,2006,2008,2010,2012,2014,2016,2018,2020,2022,2025,2027],{"class":640,"line":714},[638,2007,1349],{"class":961},[638,2009,653],{"class":652},[638,2011,1354],{"class":648},[638,2013,1298],{"class":687},[638,2015,690],{"class":729},[638,2017,1335],{"class":652},[638,2019,701],{"class":648},[638,2021,662],{"class":648},[638,2023,2024],{"class":665},"legacy-service",[638,2026,693],{"class":648},[638,2028,711],{"class":729},[638,2030,2031],{"class":640,"line":761},[638,2032,676],{"emptyLinePlaceholder":675},[638,2034,2035,2037,2039,2041,2043,2045,2047,2049,2051,2054,2056,2058],{"class":640,"line":1007},[638,2036,1371],{"class":652},[638,2038,684],{"class":648},[638,2040,1019],{"class":687},[638,2042,690],{"class":729},[638,2044,726],{"class":648},[638,2046,730],{"class":729},[638,2048,733],{"class":648},[638,2050,662],{"class":648},[638,2052,2053],{"class":665},"process_legacy_request",[638,2055,693],{"class":648},[638,2057,656],{"class":648},[638,2059,711],{"class":729},[638,2061,2062],{"class":640,"line":1012},[638,2063,676],{"emptyLinePlaceholder":675},[638,2065,2066,2068,2070,2072,2074,2076],{"class":640,"line":1048},[638,2067,1517],{"class":644},[638,2069,649],{"class":648},[638,2071,1522],{"class":729},[638,2073,733],{"class":648},[638,2075,1528],{"class":1527},[638,2077,1543],{"class":648},[638,2079,2080,2082],{"class":640,"line":1080},[638,2081,1549],{"class":648},[638,2083,711],{"class":652},[548,2085,2086,2089,2090,2092,2093,2096],{"color":550,"icon":13},[553,2087,2088],{},"Priority order:"," Explicit ",[558,2091,560],{}," parameter > Route configuration > ",[558,2094,2095],{},"env.service"," > Auto-detected from environment",[617,2098,2100],{"id":2099},"createerror-structured-errors","createError (Structured Errors)",[544,2102,1638,2103,2106],{},[558,2104,2105],{},"createError()"," to throw errors with actionable context:",[625,2108,2109,2230],{},[628,2110,2112],{"className":630,"code":2111,"filename":1287,"language":633,"meta":634,"style":634},"import { createError } from 'evlog'\n\nthrow 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",[558,2113,2114,2133,2137,2148,2164,2176,2192,2208,2224],{"__ignoreMap":634},[638,2115,2116,2118,2120,2123,2125,2127,2129,2131],{"class":640,"line":641},[638,2117,645],{"class":644},[638,2119,649],{"class":648},[638,2121,2122],{"class":652}," createError",[638,2124,656],{"class":648},[638,2126,659],{"class":644},[638,2128,662],{"class":648},[638,2130,666],{"class":665},[638,2132,669],{"class":648},[638,2134,2135],{"class":640,"line":672},[638,2136,676],{"emptyLinePlaceholder":675},[638,2138,2139,2142,2144,2146],{"class":640,"line":679},[638,2140,2141],{"class":644},"throw",[638,2143,2122],{"class":687},[638,2145,690],{"class":652},[638,2147,1725],{"class":648},[638,2149,2150,2153,2155,2157,2160,2162],{"class":640,"line":714},[638,2151,2152],{"class":729},"  message",[638,2154,733],{"class":648},[638,2156,662],{"class":648},[638,2158,2159],{"class":665},"Payment failed",[638,2161,693],{"class":648},[638,2163,1748],{"class":648},[638,2165,2166,2169,2171,2174],{"class":640,"line":761},[638,2167,2168],{"class":729},"  status",[638,2170,733],{"class":648},[638,2172,2173],{"class":1038}," 402",[638,2175,1748],{"class":648},[638,2177,2178,2181,2183,2185,2188,2190],{"class":640,"line":1007},[638,2179,2180],{"class":729},"  why",[638,2182,733],{"class":648},[638,2184,662],{"class":648},[638,2186,2187],{"class":665},"Card declined by issuer",[638,2189,693],{"class":648},[638,2191,1748],{"class":648},[638,2193,2194,2197,2199,2201,2204,2206],{"class":640,"line":1012},[638,2195,2196],{"class":729},"  fix",[638,2198,733],{"class":648},[638,2200,662],{"class":648},[638,2202,2203],{"class":665},"Try a different payment method",[638,2205,693],{"class":648},[638,2207,1748],{"class":648},[638,2209,2210,2213,2215,2217,2220,2222],{"class":640,"line":1048},[638,2211,2212],{"class":729},"  link",[638,2214,733],{"class":648},[638,2216,662],{"class":648},[638,2218,2219],{"class":665},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[638,2221,693],{"class":648},[638,2223,1748],{"class":648},[638,2225,2226,2228],{"class":640,"line":1080},[638,2227,1549],{"class":648},[638,2229,711],{"class":652},[628,2231,2236],{"className":2232,"code":2233,"filename":2234,"language":2235,"meta":634,"style":634},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"statusCode\": 402,\n  \"message\": \"Payment failed\",\n  \"data\": {\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","Response","json",[558,2237,2238,2242,2259,2279,2292,2312,2331,2349,2354],{"__ignoreMap":634},[638,2239,2240],{"class":640,"line":641},[638,2241,1725],{"class":648},[638,2243,2244,2247,2250,2253,2255,2257],{"class":640,"line":672},[638,2245,2246],{"class":648},"  \"",[638,2248,2249],{"class":961},"statusCode",[638,2251,2252],{"class":648},"\"",[638,2254,733],{"class":648},[638,2256,2173],{"class":1038},[638,2258,1748],{"class":648},[638,2260,2261,2263,2266,2268,2270,2273,2275,2277],{"class":640,"line":679},[638,2262,2246],{"class":648},[638,2264,2265],{"class":961},"message",[638,2267,2252],{"class":648},[638,2269,733],{"class":648},[638,2271,2272],{"class":648}," \"",[638,2274,2159],{"class":665},[638,2276,2252],{"class":648},[638,2278,1748],{"class":648},[638,2280,2281,2283,2286,2288,2290],{"class":640,"line":714},[638,2282,2246],{"class":648},[638,2284,2285],{"class":961},"data",[638,2287,2252],{"class":648},[638,2289,733],{"class":648},[638,2291,1344],{"class":648},[638,2293,2294,2297,2300,2302,2304,2306,2308,2310],{"class":640,"line":761},[638,2295,2296],{"class":648},"    \"",[638,2298,2299],{"class":801},"why",[638,2301,2252],{"class":648},[638,2303,733],{"class":648},[638,2305,2272],{"class":648},[638,2307,2187],{"class":665},[638,2309,2252],{"class":648},[638,2311,1748],{"class":648},[638,2313,2314,2316,2319,2321,2323,2325,2327,2329],{"class":640,"line":1007},[638,2315,2296],{"class":648},[638,2317,2318],{"class":801},"fix",[638,2320,2252],{"class":648},[638,2322,733],{"class":648},[638,2324,2272],{"class":648},[638,2326,2203],{"class":665},[638,2328,2252],{"class":648},[638,2330,1748],{"class":648},[638,2332,2333,2335,2338,2340,2342,2344,2346],{"class":640,"line":1012},[638,2334,2296],{"class":648},[638,2336,2337],{"class":801},"link",[638,2339,2252],{"class":648},[638,2341,733],{"class":648},[638,2343,2272],{"class":648},[638,2345,2219],{"class":665},[638,2347,2348],{"class":648},"\"\n",[638,2350,2351],{"class":640,"line":1048},[638,2352,2353],{"class":648},"  }\n",[638,2355,2356],{"class":640,"line":1080},[638,2357,2358],{"class":648},"}\n",[1622,2360,2362],{"id":2361},"error-fields","Error Fields",[1627,2364,2365,2378],{},[1630,2366,2367],{},[1633,2368,2369,2372,2375],{},[1636,2370,2371],{},"Field",[1636,2373,2374],{},"Required",[1636,2376,2377],{},"Description",[1653,2379,2380,2392,2405,2416,2427,2438,2450],{},[1633,2381,2382,2386,2389],{},[1658,2383,2384],{},[558,2385,2265],{},[1658,2387,2388],{},"Yes",[1658,2390,2391],{},"What happened (user-facing)",[1633,2393,2394,2399,2402],{},[1658,2395,2396],{},[558,2397,2398],{},"status",[1658,2400,2401],{},"No",[1658,2403,2404],{},"HTTP status code (default: 500)",[1633,2406,2407,2411,2413],{},[1658,2408,2409],{},[558,2410,2299],{},[1658,2412,2401],{},[1658,2414,2415],{},"Technical reason (for debugging)",[1633,2417,2418,2422,2424],{},[1658,2419,2420],{},[558,2421,2318],{},[1658,2423,2401],{},[1658,2425,2426],{},"Actionable solution",[1633,2428,2429,2433,2435],{},[1658,2430,2431],{},[558,2432,2337],{},[1658,2434,2401],{},[1658,2436,2437],{},"Documentation URL for more info",[1633,2439,2440,2445,2447],{},[1658,2441,2442],{},[558,2443,2444],{},"cause",[1658,2446,2401],{},[1658,2448,2449],{},"Original error (if wrapping)",[1633,2451,2452,2457,2459],{},[1658,2453,2454],{},[558,2455,2456],{},"internal",[1658,2458,2401],{},[1658,2460,2461,2462],{},"Backend-only fields for logs and wide events — never included in HTTP JSON or ",[558,2463,2464],{},"parseError()",[1622,2466,2468],{"id":2467},"frontend-integration","Frontend Integration",[544,2470,1638,2471,2473],{},[558,2472,2464],{}," to extract all error fields on the client:",[628,2475,2478],{"className":630,"code":2476,"filename":2477,"language":633,"meta":634,"style":634},"import { parseError } from 'evlog'\n\nexport async function checkout(cart: Cart) {\n  try {\n    await $fetch('\u002Fapi\u002Fcheckout', { method: 'POST', body: cart })\n  } catch (err) {\n    const error = parseError(err)\n\n    toast.add({\n      title: error.message,\n      description: error.why,\n      color: 'error',\n      actions: error.link\n        ? [{ label: 'Learn more', onClick: () => window.open(error.link) }]\n        : undefined,\n    })\n\n    if (error.fix) {\n      console.info(`Fix: ${error.fix}`)\n    }\n  }\n}\n","composables\u002FuseCheckout.ts",[558,2479,2480,2499,2503,2530,2537,2580,2598,2615,2619,2633,2648,2663,2678,2692,2748,2757,2765,2770,2788,2820,2826,2831],{"__ignoreMap":634},[638,2481,2482,2484,2486,2489,2491,2493,2495,2497],{"class":640,"line":641},[638,2483,645],{"class":644},[638,2485,649],{"class":648},[638,2487,2488],{"class":652}," parseError",[638,2490,656],{"class":648},[638,2492,659],{"class":644},[638,2494,662],{"class":648},[638,2496,666],{"class":665},[638,2498,669],{"class":648},[638,2500,2501],{"class":640,"line":672},[638,2502,676],{"emptyLinePlaceholder":675},[638,2504,2505,2507,2510,2513,2516,2518,2521,2523,2526,2528],{"class":640,"line":679},[638,2506,1317],{"class":644},[638,2508,2509],{"class":961}," async",[638,2511,2512],{"class":961}," function",[638,2514,2515],{"class":687}," checkout",[638,2517,690],{"class":648},[638,2519,2520],{"class":1334},"cart",[638,2522,733],{"class":648},[638,2524,2525],{"class":801}," Cart",[638,2527,1338],{"class":648},[638,2529,1344],{"class":648},[638,2531,2532,2535],{"class":640,"line":714},[638,2533,2534],{"class":644},"  try",[638,2536,1344],{"class":648},[638,2538,2539,2542,2545,2547,2549,2551,2553,2555,2557,2559,2561,2563,2565,2567,2569,2572,2574,2576,2578],{"class":640,"line":761},[638,2540,2541],{"class":644},"    await",[638,2543,2544],{"class":687}," $fetch",[638,2546,690],{"class":729},[638,2548,693],{"class":648},[638,2550,1250],{"class":665},[638,2552,693],{"class":648},[638,2554,701],{"class":648},[638,2556,649],{"class":648},[638,2558,1229],{"class":729},[638,2560,733],{"class":648},[638,2562,662],{"class":648},[638,2564,1236],{"class":665},[638,2566,693],{"class":648},[638,2568,701],{"class":648},[638,2570,2571],{"class":729}," body",[638,2573,733],{"class":648},[638,2575,1429],{"class":652},[638,2577,656],{"class":648},[638,2579,711],{"class":729},[638,2581,2582,2585,2588,2590,2593,2596],{"class":640,"line":1007},[638,2583,2584],{"class":648},"  }",[638,2586,2587],{"class":644}," catch",[638,2589,1331],{"class":729},[638,2591,2592],{"class":652},"err",[638,2594,2595],{"class":729},") ",[638,2597,1725],{"class":648},[638,2599,2600,2603,2605,2607,2609,2611,2613],{"class":640,"line":1012},[638,2601,2602],{"class":961},"    const",[638,2604,745],{"class":652},[638,2606,1354],{"class":648},[638,2608,2488],{"class":687},[638,2610,690],{"class":729},[638,2612,2592],{"class":652},[638,2614,711],{"class":729},[638,2616,2617],{"class":640,"line":1048},[638,2618,676],{"emptyLinePlaceholder":675},[638,2620,2621,2624,2626,2629,2631],{"class":640,"line":1080},[638,2622,2623],{"class":652},"    toast",[638,2625,684],{"class":648},[638,2627,2628],{"class":687},"add",[638,2630,690],{"class":729},[638,2632,1725],{"class":648},[638,2634,2635,2638,2640,2642,2644,2646],{"class":640,"line":1481},[638,2636,2637],{"class":729},"      title",[638,2639,733],{"class":648},[638,2641,745],{"class":652},[638,2643,684],{"class":648},[638,2645,2265],{"class":652},[638,2647,1748],{"class":648},[638,2649,2650,2653,2655,2657,2659,2661],{"class":640,"line":1509},[638,2651,2652],{"class":729},"      description",[638,2654,733],{"class":648},[638,2656,745],{"class":652},[638,2658,684],{"class":648},[638,2660,2299],{"class":652},[638,2662,1748],{"class":648},[638,2664,2665,2668,2670,2672,2674,2676],{"class":640,"line":1514},[638,2666,2667],{"class":729},"      color",[638,2669,733],{"class":648},[638,2671,662],{"class":648},[638,2673,721],{"class":665},[638,2675,693],{"class":648},[638,2677,1748],{"class":648},[638,2679,2680,2683,2685,2687,2689],{"class":640,"line":1546},[638,2681,2682],{"class":729},"      actions",[638,2684,733],{"class":648},[638,2686,745],{"class":652},[638,2688,684],{"class":648},[638,2690,2691],{"class":652},"link\n",[638,2693,2694,2697,2699,2701,2704,2706,2708,2711,2713,2715,2718,2720,2723,2725,2728,2730,2733,2735,2737,2739,2741,2743,2745],{"class":640,"line":1892},[638,2695,2696],{"class":648},"        ?",[638,2698,1735],{"class":729},[638,2700,726],{"class":648},[638,2702,2703],{"class":729}," label",[638,2705,733],{"class":648},[638,2707,662],{"class":648},[638,2709,2710],{"class":665},"Learn more",[638,2712,693],{"class":648},[638,2714,701],{"class":648},[638,2716,2717],{"class":687}," onClick",[638,2719,733],{"class":648},[638,2721,2722],{"class":648}," ()",[638,2724,1341],{"class":961},[638,2726,2727],{"class":652}," window",[638,2729,684],{"class":648},[638,2731,2732],{"class":687},"open",[638,2734,690],{"class":729},[638,2736,721],{"class":652},[638,2738,684],{"class":648},[638,2740,2337],{"class":652},[638,2742,2595],{"class":729},[638,2744,1549],{"class":648},[638,2746,2747],{"class":729},"]\n",[638,2749,2751,2754],{"class":640,"line":2750},15,[638,2752,2753],{"class":648},"        :",[638,2755,2756],{"class":648}," undefined,\n",[638,2758,2760,2763],{"class":640,"line":2759},16,[638,2761,2762],{"class":648},"    }",[638,2764,711],{"class":729},[638,2766,2768],{"class":640,"line":2767},17,[638,2769,676],{"emptyLinePlaceholder":675},[638,2771,2773,2776,2778,2780,2782,2784,2786],{"class":640,"line":2772},18,[638,2774,2775],{"class":644},"    if",[638,2777,1331],{"class":729},[638,2779,721],{"class":652},[638,2781,684],{"class":648},[638,2783,2318],{"class":652},[638,2785,2595],{"class":729},[638,2787,1725],{"class":648},[638,2789,2791,2794,2796,2798,2800,2803,2806,2809,2811,2813,2815,2818],{"class":640,"line":2790},19,[638,2792,2793],{"class":652},"      console",[638,2795,684],{"class":648},[638,2797,550],{"class":687},[638,2799,690],{"class":729},[638,2801,2802],{"class":648},"`",[638,2804,2805],{"class":665},"Fix: ",[638,2807,2808],{"class":648},"${",[638,2810,721],{"class":652},[638,2812,684],{"class":648},[638,2814,2318],{"class":652},[638,2816,2817],{"class":648},"}`",[638,2819,711],{"class":729},[638,2821,2823],{"class":640,"line":2822},20,[638,2824,2825],{"class":648},"    }\n",[638,2827,2829],{"class":640,"line":2828},21,[638,2830,2353],{"class":648},[638,2832,2834],{"class":640,"line":2833},22,[638,2835,2358],{"class":648},[617,2837,2839],{"id":2838},"log-client-side","log (Client-Side)",[544,2841,2842,2843,2845],{},"The same ",[558,2844,564],{}," API works on the client side, outputting to the browser console:",[625,2847,2848,3076],{},[628,2849,2854],{"className":2850,"code":2851,"filename":2852,"language":2853,"meta":634,"style":634},"language-vue shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","\u003Cscript setup lang=\"ts\">\nasync function handleCheckout() {\n  log.info('checkout', 'User initiated checkout')\n\n  try {\n    await $fetch('\u002Fapi\u002Fcheckout', { method: 'POST' })\n    log.info({ action: 'checkout', status: 'success' })\n  } catch (err) {\n    log.error({ action: 'checkout', error: 'failed' })\n  }\n}\n\u003C\u002Fscript>\n","components\u002FCheckoutButton.vue","vue",[558,2855,2856,2882,2896,2924,2928,2934,2966,3006,3020,3059,3063,3067],{"__ignoreMap":634},[638,2857,2858,2861,2864,2867,2870,2872,2874,2877,2879],{"class":640,"line":641},[638,2859,2860],{"class":648},"\u003C",[638,2862,2863],{"class":729},"script",[638,2865,2866],{"class":961}," setup",[638,2868,2869],{"class":961}," lang",[638,2871,819],{"class":648},[638,2873,2252],{"class":648},[638,2875,2876],{"class":665},"ts",[638,2878,2252],{"class":648},[638,2880,2881],{"class":648},">\n",[638,2883,2884,2886,2888,2891,2894],{"class":640,"line":672},[638,2885,1328],{"class":961},[638,2887,2512],{"class":961},[638,2889,2890],{"class":687}," handleCheckout",[638,2892,2893],{"class":648},"()",[638,2895,1344],{"class":648},[638,2897,2898,2900,2902,2904,2906,2908,2911,2913,2915,2917,2920,2922],{"class":640,"line":679},[638,2899,1371],{"class":652},[638,2901,684],{"class":648},[638,2903,550],{"class":687},[638,2905,690],{"class":729},[638,2907,693],{"class":648},[638,2909,2910],{"class":665},"checkout",[638,2912,693],{"class":648},[638,2914,701],{"class":648},[638,2916,662],{"class":648},[638,2918,2919],{"class":665},"User initiated checkout",[638,2921,693],{"class":648},[638,2923,711],{"class":729},[638,2925,2926],{"class":640,"line":714},[638,2927,676],{"emptyLinePlaceholder":675},[638,2929,2930,2932],{"class":640,"line":761},[638,2931,2534],{"class":644},[638,2933,1344],{"class":648},[638,2935,2936,2938,2940,2942,2944,2946,2948,2950,2952,2954,2956,2958,2960,2962,2964],{"class":640,"line":1007},[638,2937,2541],{"class":644},[638,2939,2544],{"class":687},[638,2941,690],{"class":729},[638,2943,693],{"class":648},[638,2945,1250],{"class":665},[638,2947,693],{"class":648},[638,2949,701],{"class":648},[638,2951,649],{"class":648},[638,2953,1229],{"class":729},[638,2955,733],{"class":648},[638,2957,662],{"class":648},[638,2959,1236],{"class":665},[638,2961,693],{"class":648},[638,2963,656],{"class":648},[638,2965,711],{"class":729},[638,2967,2968,2971,2973,2975,2977,2979,2981,2983,2985,2987,2989,2991,2994,2996,2998,3000,3002,3004],{"class":640,"line":1012},[638,2969,2970],{"class":652},"    log",[638,2972,684],{"class":648},[638,2974,550],{"class":687},[638,2976,690],{"class":729},[638,2978,726],{"class":648},[638,2980,730],{"class":729},[638,2982,733],{"class":648},[638,2984,662],{"class":648},[638,2986,2910],{"class":665},[638,2988,693],{"class":648},[638,2990,701],{"class":648},[638,2992,2993],{"class":729}," status",[638,2995,733],{"class":648},[638,2997,662],{"class":648},[638,2999,1613],{"class":665},[638,3001,693],{"class":648},[638,3003,656],{"class":648},[638,3005,711],{"class":729},[638,3007,3008,3010,3012,3014,3016,3018],{"class":640,"line":1048},[638,3009,2584],{"class":648},[638,3011,2587],{"class":644},[638,3013,1331],{"class":729},[638,3015,2592],{"class":652},[638,3017,2595],{"class":729},[638,3019,1725],{"class":648},[638,3021,3022,3024,3026,3028,3030,3032,3034,3036,3038,3040,3042,3044,3046,3048,3050,3053,3055,3057],{"class":640,"line":1080},[638,3023,2970],{"class":652},[638,3025,684],{"class":648},[638,3027,721],{"class":687},[638,3029,690],{"class":729},[638,3031,726],{"class":648},[638,3033,730],{"class":729},[638,3035,733],{"class":648},[638,3037,662],{"class":648},[638,3039,2910],{"class":665},[638,3041,693],{"class":648},[638,3043,701],{"class":648},[638,3045,745],{"class":729},[638,3047,733],{"class":648},[638,3049,662],{"class":648},[638,3051,3052],{"class":665},"failed",[638,3054,693],{"class":648},[638,3056,656],{"class":648},[638,3058,711],{"class":729},[638,3060,3061],{"class":640,"line":1481},[638,3062,2353],{"class":648},[638,3064,3065],{"class":640,"line":1509},[638,3066,2358],{"class":648},[638,3068,3069,3072,3074],{"class":640,"line":1514},[638,3070,3071],{"class":648},"\u003C\u002F",[638,3073,2863],{"class":729},[638,3075,2881],{"class":648},[628,3077,3080],{"className":630,"code":3078,"filename":3079,"language":633,"meta":634,"style":634},"export function useAnalytics() {\n  function trackEvent(event: string, data?: Record\u003Cstring, unknown>) {\n    log.info('analytics', `Event: ${event}`)\n    if (data) {\n      log.debug({ event, ...data })\n    }\n  }\n\n  return { trackEvent }\n}\n","composables\u002FuseAnalytics.ts",[558,3081,3082,3095,3138,3171,3183,3211,3215,3219,3223,3233],{"__ignoreMap":634},[638,3083,3084,3086,3088,3091,3093],{"class":640,"line":641},[638,3085,1317],{"class":644},[638,3087,2512],{"class":961},[638,3089,3090],{"class":687}," useAnalytics",[638,3092,2893],{"class":648},[638,3094,1344],{"class":648},[638,3096,3097,3100,3103,3105,3107,3109,3112,3114,3117,3120,3123,3125,3128,3130,3133,3136],{"class":640,"line":672},[638,3098,3099],{"class":961},"  function",[638,3101,3102],{"class":687}," trackEvent",[638,3104,690],{"class":648},[638,3106,1335],{"class":1334},[638,3108,733],{"class":648},[638,3110,3111],{"class":801}," string",[638,3113,701],{"class":648},[638,3115,3116],{"class":1334}," data",[638,3118,3119],{"class":648},"?:",[638,3121,3122],{"class":801}," Record",[638,3124,2860],{"class":648},[638,3126,3127],{"class":801},"string",[638,3129,701],{"class":648},[638,3131,3132],{"class":801}," unknown",[638,3134,3135],{"class":648},">)",[638,3137,1344],{"class":648},[638,3139,3140,3142,3144,3146,3148,3150,3153,3155,3157,3160,3163,3165,3167,3169],{"class":640,"line":679},[638,3141,2970],{"class":652},[638,3143,684],{"class":648},[638,3145,550],{"class":687},[638,3147,690],{"class":729},[638,3149,693],{"class":648},[638,3151,3152],{"class":665},"analytics",[638,3154,693],{"class":648},[638,3156,701],{"class":648},[638,3158,3159],{"class":648}," `",[638,3161,3162],{"class":665},"Event: ",[638,3164,2808],{"class":648},[638,3166,1335],{"class":652},[638,3168,2817],{"class":648},[638,3170,711],{"class":729},[638,3172,3173,3175,3177,3179,3181],{"class":640,"line":714},[638,3174,2775],{"class":644},[638,3176,1331],{"class":729},[638,3178,2285],{"class":652},[638,3180,2595],{"class":729},[638,3182,1725],{"class":648},[638,3184,3185,3188,3190,3193,3195,3197,3200,3202,3205,3207,3209],{"class":640,"line":761},[638,3186,3187],{"class":652},"      log",[638,3189,684],{"class":648},[638,3191,3192],{"class":687},"debug",[638,3194,690],{"class":729},[638,3196,726],{"class":648},[638,3198,3199],{"class":652}," event",[638,3201,701],{"class":648},[638,3203,3204],{"class":648}," ...",[638,3206,2285],{"class":652},[638,3208,656],{"class":648},[638,3210,711],{"class":729},[638,3212,3213],{"class":640,"line":1007},[638,3214,2825],{"class":648},[638,3216,3217],{"class":640,"line":1012},[638,3218,2353],{"class":648},[638,3220,3221],{"class":640,"line":1048},[638,3222,676],{"emptyLinePlaceholder":675},[638,3224,3225,3227,3229,3231],{"class":640,"line":1080},[638,3226,1517],{"class":644},[638,3228,649],{"class":648},[638,3230,3102],{"class":652},[638,3232,1543],{"class":648},[638,3234,3235],{"class":640,"line":1481},[638,3236,2358],{"class":648},[548,3238,3239,3240,3242],{"color":863,"icon":864},"See ",[606,3241,317],{"href":318}," for drain configuration, identity context, and browser setup.",[617,3244,3246],{"id":3245},"how-much-of-this-do-you-need-on-day-one","How much of this do you need on day one?",[544,3248,3249],{},"Two calls. Everything else on this page is available when you want it, and nothing breaks while you do not.",[544,3251,3252,3255,3256,3259,3260,3263,3264,3266,3267,3269,3270,3272],{},[558,3253,3254],{},"log.info()"," behaves like ",[558,3257,3258],{},"console.log",", so the first commit is a find-and-replace that changes no behaviour. From there, the two that pay for themselves are ",[558,3261,3262],{},"log.set()",", which adds a field to the event already in flight, and ",[558,3265,2105],{},", which attaches a ",[558,3268,2299],{}," and a ",[558,3271,2318],{}," to a failure instead of a bare stack.",[544,3274,3275,3276,3278,3279,3281,3282,3287],{},"Migrate one handler at a time. A route still calling ",[558,3277,3258],{}," next to a route using ",[558,3280,3262],{}," is a normal intermediate state, not a broken one: they write to the same place and neither knows about the other. Pick the handler you last debugged in production and start there, or let ",[606,3283,3284],{"href":95},[558,3285,3286],{},"evlog map"," rank them for you.",[544,3289,3290],{},"Typed fields, catalogs, sampling and drains are all opt-in, and each one is worth reaching for the day you feel its absence rather than the day you install.",[617,3292,3294],{"id":3293},"next-steps","Next Steps",[581,3296,3297,3307,3313,3318,3323,3328],{},[584,3298,3299,3303,3304,1338],{},[606,3300,3301],{"href":95},[558,3302,3286],{},": See what you just unlocked. Score coverage and find entry points that are still dark (",[558,3305,3306],{},"npx @evlog\u002Fcli map",[584,3308,3309,3312],{},[606,3310,3311],{"href":37},"Logging Overview",": Understand all three logging modes",[584,3314,3315,3317],{},[606,3316,46],{"href":47},": Learn how to design effective wide events",[584,3319,3320,3322],{},[606,3321,71],{"href":72},": Add compile-time type safety to your wide events",[584,3324,3325,3327],{},[606,3326,51],{"href":52},": Master error handling with evlog",[584,3329,3330,3332],{},[606,3331,521],{"href":522},": Security guidelines and production tips",[3334,3335,3336],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html .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 .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}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}",{"title":634,"searchDepth":672,"depth":672,"links":3338},[3339,3340,3341,3345,3349,3350,3351],{"id":619,"depth":672,"text":620},{"id":871,"depth":672,"text":872},{"id":1273,"depth":672,"text":1274,"children":3342},[3343,3344],{"id":1624,"depth":679,"text":1625},{"id":1691,"depth":679,"text":1692},{"id":2099,"depth":672,"text":2100,"children":3346},[3347,3348],{"id":2361,"depth":679,"text":2362},{"id":2467,"depth":679,"text":2468},{"id":2838,"depth":672,"text":2839},{"id":3245,"depth":672,"text":3246},{"id":3293,"depth":672,"text":3294},"Get up and running with evlog in minutes. Learn the log API, createLogger for wide events, useLogger for requests, and structured errors.","md",[3355,3357],{"label":3311,"icon":39,"to":37,"color":863,"variant":3356},"subtle",{"label":51,"icon":54,"to":52,"color":863,"variant":3356},{},{"icon":28},{"title":25,"description":3352},"Z6b9rqFoZftm_TsySpMA1jUmmoeW2RaPgN0p3Fa9nb4",[3363,3365],{"title":20,"path":21,"stem":22,"description":3364,"icon":23,"children":-1},"Install evlog in your TypeScript project. Supports Nuxt, Next.js, SvelteKit, Hono, Express, Fastify, Elysia, NestJS, and standalone scripts.",{"title":36,"path":37,"stem":38,"description":3366,"icon":39,"children":-1},"The mental model: three logging modes, the wide event lifecycle, sampling, typed fields, and redaction. Read it in order if you are new.",1786817420014]