[{"data":1,"prerenderedAt":3377},["ShallowReactive",2],{"navigation_docs":3,"-start-quick-start":538,"-start-quick-start-surround":3372},[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":3362,"extension":3363,"links":3364,"meta":3368,"navigation":3369,"path":26,"seo":3370,"stem":27,"__hash__":3371},"docs\u002F1.start\u002F4.quick-start.md",{"type":541,"value":542,"toc":3347},"minimark",[543,547,588,632,637,640,851,854,875,883,887,897,1162,1181,1197,1270,1284,1288,1295,1624,1634,1639,1702,1706,1709,1714,1720,1910,1913,1960,1964,1969,2097,2110,2114,2120,2369,2373,2475,2479,2484,2846,2850,2856,3247,3253,3257,3260,3283,3298,3301,3305,3343],[544,545,546],"p",{},"This guide covers the core APIs you'll use most often with evlog.",[548,549,551,552,556,557,561,562,565,566,569,570,573,574,577,578,561,581,565,584,587],"callout",{"color":550,"icon":434},"info","In Nuxt, evlog ",[553,554,555],"strong",{},"auto-imports"," ",[558,559,560],"code",{},"useLogger",", ",[558,563,564],{},"log",", and ",[558,567,568],{},"parseError",". ",[558,571,572],{},"createError"," is imported from ",[558,575,576],{},"evlog",": the auto-imported one is Nuxt's own, and it drops ",[558,579,580],{},"why",[558,582,583],{},"fix",[558,585,586],{},"link",".",[589,590,593,596,618],"prompt",{":actions":591,"description":592,"icon":28},"[\"copy\",\"cursor\",\"claude\"]","Get evlog running in 2 minutes",[544,594,595],{},"Get evlog running in my project in under 2 minutes.",[597,598,599,603,606,609,612,615],"ul",{},[600,601,602],"li",{},"Install evlog: pnpm add evlog",[600,604,605],{},"Detect my framework and wire up the matching integration",[600,607,608],{},"Set evlog.env.service to my app name",[600,610,611],{},"Add a single useLogger(event) call in a route handler with log.set({ ... })",[600,613,614],{},"Throw one createError({ message, status, why, fix }) for an invalid input case",[600,616,617],{},"Trigger the route locally and confirm a single wide event prints to the terminal",[544,619,620,621,627,628],{},"Docs: ",[622,623,624],"a",{"href":624,"rel":625},"https:\u002F\u002Fwww.evlog.dev\u002Fstart\u002Fquick-start",[626],"nofollow","\nFrameworks: ",[622,629,630],{"href":630,"rel":631},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Foverview",[626],[633,634,636],"h2",{"id":635},"log-simple-logging","log (Simple Logging)",[544,638,639],{},"The simplest way to use evlog. Fire-and-forget structured logs, anywhere in your code:",[641,642,643,803],"code-group",{},[644,645,651],"pre",{"className":646,"code":647,"filename":648,"language":649,"meta":650,"style":650},"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","",[558,652,653,685,692,726,773],{"__ignoreMap":650},[654,655,658,662,666,670,673,676,679,682],"span",{"class":656,"line":657},"line",1,[654,659,661],{"class":660},"s7zQu","import",[654,663,665],{"class":664},"sMK4o"," {",[654,667,669],{"class":668},"sTEyZ"," log",[654,671,672],{"class":664}," }",[654,674,675],{"class":660}," from",[654,677,678],{"class":664}," '",[654,680,576],{"class":681},"sfazB",[654,683,684],{"class":664},"'\n",[654,686,688],{"class":656,"line":687},2,[654,689,691],{"emptyLinePlaceholder":690},true,"\n",[654,693,695,697,699,702,705,708,711,713,716,718,721,723],{"class":656,"line":694},3,[654,696,564],{"class":668},[654,698,587],{"class":664},[654,700,550],{"class":701},"s2Zo4",[654,703,704],{"class":668},"(",[654,706,707],{"class":664},"'",[654,709,710],{"class":681},"auth",[654,712,707],{"class":664},[654,714,715],{"class":664},",",[654,717,678],{"class":664},[654,719,720],{"class":681},"User logged in",[654,722,707],{"class":664},[654,724,725],{"class":668},")\n",[654,727,729,731,733,736,738,741,745,748,750,753,755,757,760,762,764,767,769,771],{"class":656,"line":728},4,[654,730,564],{"class":668},[654,732,587],{"class":664},[654,734,735],{"class":701},"error",[654,737,704],{"class":668},[654,739,740],{"class":664},"{",[654,742,744],{"class":743},"swJcz"," action",[654,746,747],{"class":664},":",[654,749,678],{"class":664},[654,751,752],{"class":681},"payment",[654,754,707],{"class":664},[654,756,715],{"class":664},[654,758,759],{"class":743}," error",[654,761,747],{"class":664},[654,763,678],{"class":664},[654,765,766],{"class":681},"card_declined",[654,768,707],{"class":664},[654,770,672],{"class":664},[654,772,725],{"class":668},[654,774,776,778,780,783,785,787,790,792,794,796,799,801],{"class":656,"line":775},5,[654,777,564],{"class":668},[654,779,587],{"class":664},[654,781,782],{"class":701},"warn",[654,784,704],{"class":668},[654,786,707],{"class":664},[654,788,789],{"class":681},"cache",[654,791,707],{"class":664},[654,793,715],{"class":664},[654,795,678],{"class":664},[654,797,798],{"class":681},"Cache miss",[654,800,707],{"class":664},[654,802,725],{"class":668},[644,804,809],{"className":805,"code":806,"filename":807,"language":808,"meta":650,"style":650},"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",[558,810,811,820,843],{"__ignoreMap":650},[654,812,813,817],{"class":656,"line":657},[654,814,816],{"class":815},"sBMFI","10:23:45.612",[654,818,819],{"class":668}," [auth] User logged in\n",[654,821,822,825,828,831,834,836,838,840],{"class":656,"line":687},[654,823,824],{"class":815},"10:23:45.613",[654,826,827],{"class":681}," ERROR",[654,829,830],{"class":668}," [my-app] action",[654,832,833],{"class":664},"=",[654,835,752],{"class":681},[654,837,759],{"class":668},[654,839,833],{"class":664},[654,841,842],{"class":681},"card_declined\n",[654,844,845,848],{"class":656,"line":694},[654,846,847],{"class":815},"10:23:45.614",[654,849,850],{"class":668}," [cache] Cache miss\n",[544,852,853],{},"Two call styles:",[597,855,856,866],{},[600,857,858,861,862,865],{},[553,859,860],{},"Tagged",": ",[558,863,864],{},"log.info('tag', 'message')"," for quick, readable console output",[600,867,868,861,871,874],{},[553,869,870],{},"Structured",[558,872,873],{},"log.info({ key: value })"," for rich events that flow through the drain pipeline",[548,876,879,880,882],{"color":877,"icon":878},"neutral","i-lucide-arrow-right","See the full ",[622,881,41],{"href":42}," guide for all patterns and drain integration.",[633,884,886],{"id":885},"createlogger-wide-events","createLogger (Wide Events)",[544,888,889,890,893,894,747],{},"When you need to ",[553,891,892],{},"accumulate context"," across multiple steps of an operation, whether a script, background job, queue worker, or workflow, use ",[558,895,896],{},"createLogger",[641,898,899,1105],{},[644,900,903],{"className":646,"code":901,"filename":902,"language":649,"meta":650,"style":650},"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",[558,904,905,929,933,967,971,1019,1024,1060,1092],{"__ignoreMap":650},[654,906,907,909,911,914,916,919,921,923,925,927],{"class":656,"line":657},[654,908,661],{"class":660},[654,910,665],{"class":664},[654,912,913],{"class":668}," initLogger",[654,915,715],{"class":664},[654,917,918],{"class":668}," createLogger",[654,920,672],{"class":664},[654,922,675],{"class":660},[654,924,678],{"class":664},[654,926,576],{"class":681},[654,928,684],{"class":664},[654,930,931],{"class":656,"line":687},[654,932,691],{"emptyLinePlaceholder":690},[654,934,935,938,940,942,945,947,949,952,954,956,959,961,963,965],{"class":656,"line":694},[654,936,937],{"class":701},"initLogger",[654,939,704],{"class":668},[654,941,740],{"class":664},[654,943,944],{"class":743}," env",[654,946,747],{"class":664},[654,948,665],{"class":664},[654,950,951],{"class":743}," service",[654,953,747],{"class":664},[654,955,678],{"class":664},[654,957,958],{"class":681},"sync-worker",[654,960,707],{"class":664},[654,962,672],{"class":664},[654,964,672],{"class":664},[654,966,725],{"class":668},[654,968,969],{"class":656,"line":728},[654,970,691],{"emptyLinePlaceholder":690},[654,972,973,977,980,982,984,986,988,991,993,996,998,1001,1003,1006,1008,1010,1013,1015,1017],{"class":656,"line":775},[654,974,976],{"class":975},"spNyl","const",[654,978,979],{"class":668}," log ",[654,981,833],{"class":664},[654,983,918],{"class":701},[654,985,704],{"class":668},[654,987,740],{"class":664},[654,989,990],{"class":743}," jobId",[654,992,747],{"class":664},[654,994,995],{"class":668}," job",[654,997,587],{"class":664},[654,999,1000],{"class":668},"id",[654,1002,715],{"class":664},[654,1004,1005],{"class":743}," queue",[654,1007,747],{"class":664},[654,1009,678],{"class":664},[654,1011,1012],{"class":681},"emails",[654,1014,707],{"class":664},[654,1016,672],{"class":664},[654,1018,725],{"class":668},[654,1020,1022],{"class":656,"line":1021},6,[654,1023,691],{"emptyLinePlaceholder":690},[654,1025,1027,1029,1031,1034,1036,1038,1041,1043,1045,1048,1050,1054,1056,1058],{"class":656,"line":1026},7,[654,1028,564],{"class":668},[654,1030,587],{"class":664},[654,1032,1033],{"class":701},"set",[654,1035,704],{"class":668},[654,1037,740],{"class":664},[654,1039,1040],{"class":743}," batch",[654,1042,747],{"class":664},[654,1044,665],{"class":664},[654,1046,1047],{"class":743}," size",[654,1049,747],{"class":664},[654,1051,1053],{"class":1052},"sbssI"," 50",[654,1055,672],{"class":664},[654,1057,672],{"class":664},[654,1059,725],{"class":668},[654,1061,1063,1065,1067,1069,1071,1073,1075,1077,1079,1082,1084,1086,1088,1090],{"class":656,"line":1062},8,[654,1064,564],{"class":668},[654,1066,587],{"class":664},[654,1068,1033],{"class":701},[654,1070,704],{"class":668},[654,1072,740],{"class":664},[654,1074,1040],{"class":743},[654,1076,747],{"class":664},[654,1078,665],{"class":664},[654,1080,1081],{"class":743}," processed",[654,1083,747],{"class":664},[654,1085,1053],{"class":1052},[654,1087,672],{"class":664},[654,1089,672],{"class":664},[654,1091,725],{"class":668},[654,1093,1095,1097,1099,1102],{"class":656,"line":1094},9,[654,1096,564],{"class":668},[654,1098,587],{"class":664},[654,1100,1101],{"class":701},"emit",[654,1103,1104],{"class":668},"()\n",[644,1106,1109],{"className":805,"code":1107,"filename":1108,"language":808,"meta":650,"style":650},"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)",[558,1110,1111,1121,1132,1142],{"__ignoreMap":650},[654,1112,1113,1115,1118],{"class":656,"line":657},[654,1114,816],{"class":815},[654,1116,1117],{"class":681}," INFO",[654,1119,1120],{"class":668}," [sync-worker] in 1204ms\n",[654,1122,1123,1126,1129],{"class":656,"line":687},[654,1124,1125],{"class":815},"  ├─",[654,1127,1128],{"class":681}," jobId:",[654,1130,1131],{"class":681}," job_abc123\n",[654,1133,1134,1136,1139],{"class":656,"line":694},[654,1135,1125],{"class":815},[654,1137,1138],{"class":681}," queue:",[654,1140,1141],{"class":681}," emails\n",[654,1143,1144,1147,1150,1153,1156,1159],{"class":656,"line":728},[654,1145,1146],{"class":815},"  └─",[654,1148,1149],{"class":681}," batch:",[654,1151,1152],{"class":681}," size=",[654,1154,1155],{"class":1052},"50",[654,1157,1158],{"class":681}," processed=",[654,1160,1161],{"class":1052},"50\n",[544,1163,1164,1167,1168,561,1170,561,1172,561,1174,561,1176,565,1178,587],{},[558,1165,1166],{},"createLogger()"," accepts any initial context as a plain object. It returns a logger with ",[558,1169,1033],{},[558,1171,735],{},[558,1173,550],{},[558,1175,782],{},[558,1177,1101],{},[558,1179,1180],{},"getContext",[544,1182,1183,1184,1187,1188,561,1191,565,1194,747],{},"For HTTP request contexts specifically, use ",[558,1185,1186],{},"createRequestLogger()"," which pre-populates ",[558,1189,1190],{},"method",[558,1192,1193],{},"path",[558,1195,1196],{},"requestId",[644,1198,1201],{"className":646,"code":1199,"filename":1200,"language":649,"meta":650,"style":650},"import { createRequestLogger } from 'evlog'\n\nconst log = createRequestLogger({ method: 'POST', path: '\u002Fapi\u002Fcheckout' })\n","src\u002Fworker.ts",[558,1202,1203,1222,1226],{"__ignoreMap":650},[654,1204,1205,1207,1209,1212,1214,1216,1218,1220],{"class":656,"line":657},[654,1206,661],{"class":660},[654,1208,665],{"class":664},[654,1210,1211],{"class":668}," createRequestLogger",[654,1213,672],{"class":664},[654,1215,675],{"class":660},[654,1217,678],{"class":664},[654,1219,576],{"class":681},[654,1221,684],{"class":664},[654,1223,1224],{"class":656,"line":687},[654,1225,691],{"emptyLinePlaceholder":690},[654,1227,1228,1230,1232,1234,1236,1238,1240,1243,1245,1247,1250,1252,1254,1257,1259,1261,1264,1266,1268],{"class":656,"line":694},[654,1229,976],{"class":975},[654,1231,979],{"class":668},[654,1233,833],{"class":664},[654,1235,1211],{"class":701},[654,1237,704],{"class":668},[654,1239,740],{"class":664},[654,1241,1242],{"class":743}," method",[654,1244,747],{"class":664},[654,1246,678],{"class":664},[654,1248,1249],{"class":681},"POST",[654,1251,707],{"class":664},[654,1253,715],{"class":664},[654,1255,1256],{"class":743}," path",[654,1258,747],{"class":664},[654,1260,678],{"class":664},[654,1262,1263],{"class":681},"\u002Fapi\u002Fcheckout",[654,1265,707],{"class":664},[654,1267,672],{"class":664},[654,1269,725],{"class":668},[548,1271,1272,1273,1275,1276,1279,1280,1283],{"color":550,"icon":13},"With ",[558,1274,896],{}," and ",[558,1277,1278],{},"createRequestLogger",", you must call ",[558,1281,1282],{},"log.emit()"," manually. In framework integrations, this happens automatically.",[633,1285,1287],{"id":1286},"uselogger-retrieve-the-request-logger","useLogger (Retrieve the Request Logger)",[544,1289,1290,1291,1294],{},"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. ",[558,1292,1293],{},"useLogger(event)"," retrieves that logger from the request context:",[641,1296,1297,1565],{},[644,1298,1301],{"className":646,"code":1299,"filename":1300,"language":649,"meta":650,"style":650},"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",[558,1302,1303,1322,1326,1358,1376,1380,1428,1471,1475,1492,1520,1525,1557],{"__ignoreMap":650},[654,1304,1305,1307,1309,1312,1314,1316,1318,1320],{"class":656,"line":657},[654,1306,661],{"class":660},[654,1308,665],{"class":664},[654,1310,1311],{"class":668}," useLogger",[654,1313,672],{"class":664},[654,1315,675],{"class":660},[654,1317,678],{"class":664},[654,1319,576],{"class":681},[654,1321,684],{"class":664},[654,1323,1324],{"class":656,"line":687},[654,1325,691],{"emptyLinePlaceholder":690},[654,1327,1328,1331,1334,1337,1339,1342,1345,1349,1352,1355],{"class":656,"line":694},[654,1329,1330],{"class":660},"export",[654,1332,1333],{"class":660}," default",[654,1335,1336],{"class":701}," defineEventHandler",[654,1338,704],{"class":668},[654,1340,1341],{"class":975},"async",[654,1343,1344],{"class":664}," (",[654,1346,1348],{"class":1347},"sHdIc","event",[654,1350,1351],{"class":664},")",[654,1353,1354],{"class":975}," =>",[654,1356,1357],{"class":664}," {\n",[654,1359,1360,1363,1365,1368,1370,1372,1374],{"class":656,"line":728},[654,1361,1362],{"class":975},"  const",[654,1364,669],{"class":668},[654,1366,1367],{"class":664}," =",[654,1369,1311],{"class":701},[654,1371,704],{"class":743},[654,1373,1348],{"class":668},[654,1375,725],{"class":743},[654,1377,1378],{"class":656,"line":775},[654,1379,691],{"emptyLinePlaceholder":690},[654,1381,1382,1385,1387,1389,1391,1393,1396,1398,1400,1403,1405,1408,1410,1413,1415,1417,1420,1422,1424,1426],{"class":656,"line":1021},[654,1383,1384],{"class":668},"  log",[654,1386,587],{"class":664},[654,1388,1033],{"class":701},[654,1390,704],{"class":743},[654,1392,740],{"class":664},[654,1394,1395],{"class":743}," user",[654,1397,747],{"class":664},[654,1399,665],{"class":664},[654,1401,1402],{"class":743}," id",[654,1404,747],{"class":664},[654,1406,1407],{"class":1052}," 1",[654,1409,715],{"class":664},[654,1411,1412],{"class":743}," plan",[654,1414,747],{"class":664},[654,1416,678],{"class":664},[654,1418,1419],{"class":681},"pro",[654,1421,707],{"class":664},[654,1423,672],{"class":664},[654,1425,672],{"class":664},[654,1427,725],{"class":743},[654,1429,1430,1432,1434,1436,1438,1440,1443,1445,1447,1450,1452,1455,1457,1460,1462,1465,1467,1469],{"class":656,"line":1026},[654,1431,1384],{"class":668},[654,1433,587],{"class":664},[654,1435,1033],{"class":701},[654,1437,704],{"class":743},[654,1439,740],{"class":664},[654,1441,1442],{"class":743}," cart",[654,1444,747],{"class":664},[654,1446,665],{"class":664},[654,1448,1449],{"class":743}," items",[654,1451,747],{"class":664},[654,1453,1454],{"class":1052}," 3",[654,1456,715],{"class":664},[654,1458,1459],{"class":743}," total",[654,1461,747],{"class":664},[654,1463,1464],{"class":1052}," 9999",[654,1466,672],{"class":664},[654,1468,672],{"class":664},[654,1470,725],{"class":743},[654,1472,1473],{"class":656,"line":1062},[654,1474,691],{"emptyLinePlaceholder":690},[654,1476,1477,1479,1482,1484,1487,1490],{"class":656,"line":1094},[654,1478,1362],{"class":975},[654,1480,1481],{"class":668}," order",[654,1483,1367],{"class":664},[654,1485,1486],{"class":660}," await",[654,1488,1489],{"class":701}," processCheckout",[654,1491,1104],{"class":743},[654,1493,1495,1497,1499,1501,1503,1505,1508,1510,1512,1514,1516,1518],{"class":656,"line":1494},10,[654,1496,1384],{"class":668},[654,1498,587],{"class":664},[654,1500,1033],{"class":701},[654,1502,704],{"class":743},[654,1504,740],{"class":664},[654,1506,1507],{"class":743}," orderId",[654,1509,747],{"class":664},[654,1511,1481],{"class":668},[654,1513,587],{"class":664},[654,1515,1000],{"class":668},[654,1517,672],{"class":664},[654,1519,725],{"class":743},[654,1521,1523],{"class":656,"line":1522},11,[654,1524,691],{"emptyLinePlaceholder":690},[654,1526,1528,1531,1533,1536,1538,1542,1544,1546,1548,1550,1552,1554],{"class":656,"line":1527},12,[654,1529,1530],{"class":660},"  return",[654,1532,665],{"class":664},[654,1534,1535],{"class":743}," success",[654,1537,747],{"class":664},[654,1539,1541],{"class":1540},"sfNiH"," true",[654,1543,715],{"class":664},[654,1545,1507],{"class":743},[654,1547,747],{"class":664},[654,1549,1481],{"class":668},[654,1551,587],{"class":664},[654,1553,1000],{"class":668},[654,1555,1556],{"class":664}," }\n",[654,1558,1560,1563],{"class":656,"line":1559},13,[654,1561,1562],{"class":664},"}",[654,1564,725],{"class":668},[644,1566,1568],{"className":805,"code":1567,"filename":1108,"language":808,"meta":650,"style":650},"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",[558,1569,1570,1579,1595,1614],{"__ignoreMap":650},[654,1571,1572,1574,1576],{"class":656,"line":657},[654,1573,816],{"class":815},[654,1575,1117],{"class":681},[654,1577,1578],{"class":668}," [my-app] POST \u002Fapi\u002Fcheckout 200 in 234ms\n",[654,1580,1581,1583,1586,1589,1592],{"class":656,"line":687},[654,1582,1125],{"class":815},[654,1584,1585],{"class":681}," user:",[654,1587,1588],{"class":681}," id=",[654,1590,1591],{"class":1052},"1",[654,1593,1594],{"class":681}," plan=pro\n",[654,1596,1597,1599,1602,1605,1608,1611],{"class":656,"line":694},[654,1598,1125],{"class":815},[654,1600,1601],{"class":681}," cart:",[654,1603,1604],{"class":681}," items=",[654,1606,1607],{"class":1052},"3",[654,1609,1610],{"class":681}," total=",[654,1612,1613],{"class":1052},"9999\n",[654,1615,1616,1618,1621],{"class":656,"line":728},[654,1617,1146],{"class":815},[654,1619,1620],{"class":681}," orderId:",[654,1622,1623],{"class":681}," ord_abc123\n",[548,1625,1628,1630,1631,587],{"color":1626,"icon":1627},"success","i-lucide-check",[558,1629,560],{}," 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 ",[558,1632,1633],{},"set()",[1635,1636,1638],"h3",{"id":1637},"when-to-use-what","When to use what",[1640,1641,1642,1665],"table",{},[1643,1644,1645],"thead",{},[1646,1647,1648,1654,1661],"tr",{},[1649,1650,1651,1652],"th",{},"Use ",[558,1653,564],{},[1649,1655,1651,1656,1658,1659],{},[558,1657,1166],{}," \u002F ",[558,1660,1186],{},[1649,1662,1651,1663],{},[558,1664,1293],{},[1666,1667,1668,1680,1691],"tbody",{},[1646,1669,1670,1674,1677],{},[1671,1672,1673],"td",{},"Quick one-off events",[1671,1675,1676],{},"Scripts, jobs, workers, queues, HTTP without a framework",[1671,1678,1679],{},"API routes with a framework integration",[1646,1681,1682,1685,1688],{},[1671,1683,1684],{},"No context accumulation needed",[1671,1686,1687],{},"Accumulate context over an operation",[1671,1689,1690],{},"Retrieve the request-scoped logger",[1646,1692,1693,1696,1699],{},[1671,1694,1695],{},"Client-side logging",[1671,1697,1698],{},"Wide events (one log per operation)",[1671,1700,1701],{},"Access the auto-managed wide event",[1635,1703,1705],{"id":1704},"service-identification","Service Identification",[544,1707,1708],{},"In multi-service architectures, differentiate which service a log belongs to using either route-based configuration or explicit service names.",[1710,1711,1713],"h4",{"id":1712},"route-based-configuration","Route-Based Configuration",[544,1715,1716,1717,747],{},"Configure service names per route pattern in your ",[558,1718,1719],{},"nuxt.config.ts",[644,1721,1723],{"className":646,"code":1722,"filename":1719,"language":649,"meta":650,"style":650},"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",[558,1724,1725,1739,1762,1766,1775,1784,1800,1805,1814,1842,1868,1894,1898,1903],{"__ignoreMap":650},[654,1726,1727,1729,1731,1734,1736],{"class":656,"line":657},[654,1728,1330],{"class":660},[654,1730,1333],{"class":660},[654,1732,1733],{"class":701}," defineNuxtConfig",[654,1735,704],{"class":668},[654,1737,1738],{"class":664},"{\n",[654,1740,1741,1744,1746,1749,1751,1754,1756,1759],{"class":656,"line":687},[654,1742,1743],{"class":743},"  modules",[654,1745,747],{"class":664},[654,1747,1748],{"class":668}," [",[654,1750,707],{"class":664},[654,1752,1753],{"class":681},"evlog\u002Fnuxt",[654,1755,707],{"class":664},[654,1757,1758],{"class":668},"]",[654,1760,1761],{"class":664},",\n",[654,1763,1764],{"class":656,"line":694},[654,1765,691],{"emptyLinePlaceholder":690},[654,1767,1768,1771,1773],{"class":656,"line":728},[654,1769,1770],{"class":743},"  evlog",[654,1772,747],{"class":664},[654,1774,1357],{"class":664},[654,1776,1777,1780,1782],{"class":656,"line":775},[654,1778,1779],{"class":743},"    env",[654,1781,747],{"class":664},[654,1783,1357],{"class":664},[654,1785,1786,1789,1791,1793,1796,1798],{"class":656,"line":1021},[654,1787,1788],{"class":743},"      service",[654,1790,747],{"class":664},[654,1792,678],{"class":664},[654,1794,1795],{"class":681},"default-service",[654,1797,707],{"class":664},[654,1799,1761],{"class":664},[654,1801,1802],{"class":656,"line":1026},[654,1803,1804],{"class":664},"    },\n",[654,1806,1807,1810,1812],{"class":656,"line":1062},[654,1808,1809],{"class":743},"    routes",[654,1811,747],{"class":664},[654,1813,1357],{"class":664},[654,1815,1816,1819,1822,1824,1826,1828,1830,1832,1834,1837,1839],{"class":656,"line":1094},[654,1817,1818],{"class":664},"      '",[654,1820,1821],{"class":743},"\u002Fapi\u002Fauth\u002F**",[654,1823,707],{"class":664},[654,1825,747],{"class":664},[654,1827,665],{"class":664},[654,1829,951],{"class":743},[654,1831,747],{"class":664},[654,1833,678],{"class":664},[654,1835,1836],{"class":681},"auth-service",[654,1838,707],{"class":664},[654,1840,1841],{"class":664}," },\n",[654,1843,1844,1846,1849,1851,1853,1855,1857,1859,1861,1864,1866],{"class":656,"line":1494},[654,1845,1818],{"class":664},[654,1847,1848],{"class":743},"\u002Fapi\u002Fpayment\u002F**",[654,1850,707],{"class":664},[654,1852,747],{"class":664},[654,1854,665],{"class":664},[654,1856,951],{"class":743},[654,1858,747],{"class":664},[654,1860,678],{"class":664},[654,1862,1863],{"class":681},"payment-service",[654,1865,707],{"class":664},[654,1867,1841],{"class":664},[654,1869,1870,1872,1875,1877,1879,1881,1883,1885,1887,1890,1892],{"class":656,"line":1522},[654,1871,1818],{"class":664},[654,1873,1874],{"class":743},"\u002Fapi\u002Fbooking\u002F**",[654,1876,707],{"class":664},[654,1878,747],{"class":664},[654,1880,665],{"class":664},[654,1882,951],{"class":743},[654,1884,747],{"class":664},[654,1886,678],{"class":664},[654,1888,1889],{"class":681},"booking-service",[654,1891,707],{"class":664},[654,1893,1841],{"class":664},[654,1895,1896],{"class":656,"line":1527},[654,1897,1804],{"class":664},[654,1899,1900],{"class":656,"line":1559},[654,1901,1902],{"class":664},"  },\n",[654,1904,1906,1908],{"class":656,"line":1905},14,[654,1907,1562],{"class":664},[654,1909,725],{"class":668},[544,1911,1912],{},"Logs from routes matching these patterns will automatically include the configured service name:",[644,1914,1916],{"className":805,"code":1915,"filename":807,"language":808,"meta":650,"style":650},"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",[558,1917,1918,1928,1938,1950],{"__ignoreMap":650},[654,1919,1920,1923,1925],{"class":656,"line":657},[654,1921,1922],{"class":815},"21:57:10.442",[654,1924,1117],{"class":681},[654,1926,1927],{"class":668}," [auth-service] POST \u002Fapi\u002Fauth\u002Flogin 200 in 1ms\n",[654,1929,1930,1932,1935],{"class":656,"line":687},[654,1931,1125],{"class":815},[654,1933,1934],{"class":681}," requestId:",[654,1936,1937],{"class":681}," 88ced16a-bef2-4483-86cb-2b4fb677ea52\n",[654,1939,1940,1942,1944,1947],{"class":656,"line":694},[654,1941,1125],{"class":815},[654,1943,1585],{"class":681},[654,1945,1946],{"class":681}," id=user_123",[654,1948,1949],{"class":681}," email=demo@example.com\n",[654,1951,1952,1954,1957],{"class":656,"line":728},[654,1953,1146],{"class":815},[654,1955,1956],{"class":681}," action:",[654,1958,1959],{"class":681}," login\n",[1710,1961,1963],{"id":1962},"explicit-service-parameter","Explicit Service Parameter",[544,1965,1966,1967,747],{},"Override the service name for specific routes using the second parameter of ",[558,1968,560],{},[644,1970,1973],{"className":646,"code":1971,"filename":1972,"language":649,"meta":650,"style":650},"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",[558,1974,1975,1993,1997,2017,2042,2046,2073,2077,2091],{"__ignoreMap":650},[654,1976,1977,1979,1981,1983,1985,1987,1989,1991],{"class":656,"line":657},[654,1978,661],{"class":660},[654,1980,665],{"class":664},[654,1982,1311],{"class":668},[654,1984,672],{"class":664},[654,1986,675],{"class":660},[654,1988,678],{"class":664},[654,1990,576],{"class":681},[654,1992,684],{"class":664},[654,1994,1995],{"class":656,"line":687},[654,1996,691],{"emptyLinePlaceholder":690},[654,1998,1999,2001,2003,2005,2007,2009,2011,2013,2015],{"class":656,"line":694},[654,2000,1330],{"class":660},[654,2002,1333],{"class":660},[654,2004,1336],{"class":701},[654,2006,704],{"class":668},[654,2008,704],{"class":664},[654,2010,1348],{"class":1347},[654,2012,1351],{"class":664},[654,2014,1354],{"class":975},[654,2016,1357],{"class":664},[654,2018,2019,2021,2023,2025,2027,2029,2031,2033,2035,2038,2040],{"class":656,"line":728},[654,2020,1362],{"class":975},[654,2022,669],{"class":668},[654,2024,1367],{"class":664},[654,2026,1311],{"class":701},[654,2028,704],{"class":743},[654,2030,1348],{"class":668},[654,2032,715],{"class":664},[654,2034,678],{"class":664},[654,2036,2037],{"class":681},"legacy-service",[654,2039,707],{"class":664},[654,2041,725],{"class":743},[654,2043,2044],{"class":656,"line":775},[654,2045,691],{"emptyLinePlaceholder":690},[654,2047,2048,2050,2052,2054,2056,2058,2060,2062,2064,2067,2069,2071],{"class":656,"line":1021},[654,2049,1384],{"class":668},[654,2051,587],{"class":664},[654,2053,1033],{"class":701},[654,2055,704],{"class":743},[654,2057,740],{"class":664},[654,2059,744],{"class":743},[654,2061,747],{"class":664},[654,2063,678],{"class":664},[654,2065,2066],{"class":681},"process_legacy_request",[654,2068,707],{"class":664},[654,2070,672],{"class":664},[654,2072,725],{"class":743},[654,2074,2075],{"class":656,"line":1026},[654,2076,691],{"emptyLinePlaceholder":690},[654,2078,2079,2081,2083,2085,2087,2089],{"class":656,"line":1062},[654,2080,1530],{"class":660},[654,2082,665],{"class":664},[654,2084,1535],{"class":743},[654,2086,747],{"class":664},[654,2088,1541],{"class":1540},[654,2090,1556],{"class":664},[654,2092,2093,2095],{"class":656,"line":1094},[654,2094,1562],{"class":664},[654,2096,725],{"class":668},[548,2098,2099,2102,2103,2105,2106,2109],{"color":550,"icon":13},[553,2100,2101],{},"Priority order:"," Explicit ",[558,2104,560],{}," parameter > Route configuration > ",[558,2107,2108],{},"env.service"," > Auto-detected from environment",[633,2111,2113],{"id":2112},"createerror-structured-errors","createError (Structured Errors)",[544,2115,1651,2116,2119],{},[558,2117,2118],{},"createError()"," to throw errors with actionable context:",[641,2121,2122,2243],{},[644,2123,2125],{"className":646,"code":2124,"filename":1300,"language":649,"meta":650,"style":650},"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",[558,2126,2127,2146,2150,2161,2177,2189,2205,2221,2237],{"__ignoreMap":650},[654,2128,2129,2131,2133,2136,2138,2140,2142,2144],{"class":656,"line":657},[654,2130,661],{"class":660},[654,2132,665],{"class":664},[654,2134,2135],{"class":668}," createError",[654,2137,672],{"class":664},[654,2139,675],{"class":660},[654,2141,678],{"class":664},[654,2143,576],{"class":681},[654,2145,684],{"class":664},[654,2147,2148],{"class":656,"line":687},[654,2149,691],{"emptyLinePlaceholder":690},[654,2151,2152,2155,2157,2159],{"class":656,"line":694},[654,2153,2154],{"class":660},"throw",[654,2156,2135],{"class":701},[654,2158,704],{"class":668},[654,2160,1738],{"class":664},[654,2162,2163,2166,2168,2170,2173,2175],{"class":656,"line":728},[654,2164,2165],{"class":743},"  message",[654,2167,747],{"class":664},[654,2169,678],{"class":664},[654,2171,2172],{"class":681},"Payment failed",[654,2174,707],{"class":664},[654,2176,1761],{"class":664},[654,2178,2179,2182,2184,2187],{"class":656,"line":775},[654,2180,2181],{"class":743},"  status",[654,2183,747],{"class":664},[654,2185,2186],{"class":1052}," 402",[654,2188,1761],{"class":664},[654,2190,2191,2194,2196,2198,2201,2203],{"class":656,"line":1021},[654,2192,2193],{"class":743},"  why",[654,2195,747],{"class":664},[654,2197,678],{"class":664},[654,2199,2200],{"class":681},"Card declined by issuer",[654,2202,707],{"class":664},[654,2204,1761],{"class":664},[654,2206,2207,2210,2212,2214,2217,2219],{"class":656,"line":1026},[654,2208,2209],{"class":743},"  fix",[654,2211,747],{"class":664},[654,2213,678],{"class":664},[654,2215,2216],{"class":681},"Try a different payment method",[654,2218,707],{"class":664},[654,2220,1761],{"class":664},[654,2222,2223,2226,2228,2230,2233,2235],{"class":656,"line":1062},[654,2224,2225],{"class":743},"  link",[654,2227,747],{"class":664},[654,2229,678],{"class":664},[654,2231,2232],{"class":681},"https:\u002F\u002Fdocs.example.com\u002Fpayments\u002Fdeclined",[654,2234,707],{"class":664},[654,2236,1761],{"class":664},[654,2238,2239,2241],{"class":656,"line":1094},[654,2240,1562],{"class":664},[654,2242,725],{"class":668},[644,2244,2249],{"className":2245,"code":2246,"filename":2247,"language":2248,"meta":650,"style":650},"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",[558,2250,2251,2255,2272,2292,2305,2324,2342,2359,2364],{"__ignoreMap":650},[654,2252,2253],{"class":656,"line":657},[654,2254,1738],{"class":664},[654,2256,2257,2260,2263,2266,2268,2270],{"class":656,"line":687},[654,2258,2259],{"class":664},"  \"",[654,2261,2262],{"class":975},"statusCode",[654,2264,2265],{"class":664},"\"",[654,2267,747],{"class":664},[654,2269,2186],{"class":1052},[654,2271,1761],{"class":664},[654,2273,2274,2276,2279,2281,2283,2286,2288,2290],{"class":656,"line":694},[654,2275,2259],{"class":664},[654,2277,2278],{"class":975},"message",[654,2280,2265],{"class":664},[654,2282,747],{"class":664},[654,2284,2285],{"class":664}," \"",[654,2287,2172],{"class":681},[654,2289,2265],{"class":664},[654,2291,1761],{"class":664},[654,2293,2294,2296,2299,2301,2303],{"class":656,"line":728},[654,2295,2259],{"class":664},[654,2297,2298],{"class":975},"data",[654,2300,2265],{"class":664},[654,2302,747],{"class":664},[654,2304,1357],{"class":664},[654,2306,2307,2310,2312,2314,2316,2318,2320,2322],{"class":656,"line":775},[654,2308,2309],{"class":664},"    \"",[654,2311,580],{"class":815},[654,2313,2265],{"class":664},[654,2315,747],{"class":664},[654,2317,2285],{"class":664},[654,2319,2200],{"class":681},[654,2321,2265],{"class":664},[654,2323,1761],{"class":664},[654,2325,2326,2328,2330,2332,2334,2336,2338,2340],{"class":656,"line":1021},[654,2327,2309],{"class":664},[654,2329,583],{"class":815},[654,2331,2265],{"class":664},[654,2333,747],{"class":664},[654,2335,2285],{"class":664},[654,2337,2216],{"class":681},[654,2339,2265],{"class":664},[654,2341,1761],{"class":664},[654,2343,2344,2346,2348,2350,2352,2354,2356],{"class":656,"line":1026},[654,2345,2309],{"class":664},[654,2347,586],{"class":815},[654,2349,2265],{"class":664},[654,2351,747],{"class":664},[654,2353,2285],{"class":664},[654,2355,2232],{"class":681},[654,2357,2358],{"class":664},"\"\n",[654,2360,2361],{"class":656,"line":1062},[654,2362,2363],{"class":664},"  }\n",[654,2365,2366],{"class":656,"line":1094},[654,2367,2368],{"class":664},"}\n",[1635,2370,2372],{"id":2371},"error-fields","Error Fields",[1640,2374,2375,2388],{},[1643,2376,2377],{},[1646,2378,2379,2382,2385],{},[1649,2380,2381],{},"Field",[1649,2383,2384],{},"Required",[1649,2386,2387],{},"Description",[1666,2389,2390,2402,2415,2426,2437,2448,2460],{},[1646,2391,2392,2396,2399],{},[1671,2393,2394],{},[558,2395,2278],{},[1671,2397,2398],{},"Yes",[1671,2400,2401],{},"What happened (user-facing)",[1646,2403,2404,2409,2412],{},[1671,2405,2406],{},[558,2407,2408],{},"status",[1671,2410,2411],{},"No",[1671,2413,2414],{},"HTTP status code (default: 500)",[1646,2416,2417,2421,2423],{},[1671,2418,2419],{},[558,2420,580],{},[1671,2422,2411],{},[1671,2424,2425],{},"Technical reason (for debugging)",[1646,2427,2428,2432,2434],{},[1671,2429,2430],{},[558,2431,583],{},[1671,2433,2411],{},[1671,2435,2436],{},"Actionable solution",[1646,2438,2439,2443,2445],{},[1671,2440,2441],{},[558,2442,586],{},[1671,2444,2411],{},[1671,2446,2447],{},"Documentation URL for more info",[1646,2449,2450,2455,2457],{},[1671,2451,2452],{},[558,2453,2454],{},"cause",[1671,2456,2411],{},[1671,2458,2459],{},"Original error (if wrapping)",[1646,2461,2462,2467,2469],{},[1671,2463,2464],{},[558,2465,2466],{},"internal",[1671,2468,2411],{},[1671,2470,2471,2472],{},"Backend-only fields for logs and wide events — never included in HTTP JSON or ",[558,2473,2474],{},"parseError()",[1635,2476,2478],{"id":2477},"frontend-integration","Frontend Integration",[544,2480,1651,2481,2483],{},[558,2482,2474],{}," to extract all error fields on the client:",[644,2485,2488],{"className":646,"code":2486,"filename":2487,"language":649,"meta":650,"style":650},"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",[558,2489,2490,2509,2513,2540,2547,2590,2608,2625,2629,2643,2658,2673,2688,2702,2758,2767,2775,2780,2798,2830,2836,2841],{"__ignoreMap":650},[654,2491,2492,2494,2496,2499,2501,2503,2505,2507],{"class":656,"line":657},[654,2493,661],{"class":660},[654,2495,665],{"class":664},[654,2497,2498],{"class":668}," parseError",[654,2500,672],{"class":664},[654,2502,675],{"class":660},[654,2504,678],{"class":664},[654,2506,576],{"class":681},[654,2508,684],{"class":664},[654,2510,2511],{"class":656,"line":687},[654,2512,691],{"emptyLinePlaceholder":690},[654,2514,2515,2517,2520,2523,2526,2528,2531,2533,2536,2538],{"class":656,"line":694},[654,2516,1330],{"class":660},[654,2518,2519],{"class":975}," async",[654,2521,2522],{"class":975}," function",[654,2524,2525],{"class":701}," checkout",[654,2527,704],{"class":664},[654,2529,2530],{"class":1347},"cart",[654,2532,747],{"class":664},[654,2534,2535],{"class":815}," Cart",[654,2537,1351],{"class":664},[654,2539,1357],{"class":664},[654,2541,2542,2545],{"class":656,"line":728},[654,2543,2544],{"class":660},"  try",[654,2546,1357],{"class":664},[654,2548,2549,2552,2555,2557,2559,2561,2563,2565,2567,2569,2571,2573,2575,2577,2579,2582,2584,2586,2588],{"class":656,"line":775},[654,2550,2551],{"class":660},"    await",[654,2553,2554],{"class":701}," $fetch",[654,2556,704],{"class":743},[654,2558,707],{"class":664},[654,2560,1263],{"class":681},[654,2562,707],{"class":664},[654,2564,715],{"class":664},[654,2566,665],{"class":664},[654,2568,1242],{"class":743},[654,2570,747],{"class":664},[654,2572,678],{"class":664},[654,2574,1249],{"class":681},[654,2576,707],{"class":664},[654,2578,715],{"class":664},[654,2580,2581],{"class":743}," body",[654,2583,747],{"class":664},[654,2585,1442],{"class":668},[654,2587,672],{"class":664},[654,2589,725],{"class":743},[654,2591,2592,2595,2598,2600,2603,2606],{"class":656,"line":1021},[654,2593,2594],{"class":664},"  }",[654,2596,2597],{"class":660}," catch",[654,2599,1344],{"class":743},[654,2601,2602],{"class":668},"err",[654,2604,2605],{"class":743},") ",[654,2607,1738],{"class":664},[654,2609,2610,2613,2615,2617,2619,2621,2623],{"class":656,"line":1026},[654,2611,2612],{"class":975},"    const",[654,2614,759],{"class":668},[654,2616,1367],{"class":664},[654,2618,2498],{"class":701},[654,2620,704],{"class":743},[654,2622,2602],{"class":668},[654,2624,725],{"class":743},[654,2626,2627],{"class":656,"line":1062},[654,2628,691],{"emptyLinePlaceholder":690},[654,2630,2631,2634,2636,2639,2641],{"class":656,"line":1094},[654,2632,2633],{"class":668},"    toast",[654,2635,587],{"class":664},[654,2637,2638],{"class":701},"add",[654,2640,704],{"class":743},[654,2642,1738],{"class":664},[654,2644,2645,2648,2650,2652,2654,2656],{"class":656,"line":1494},[654,2646,2647],{"class":743},"      title",[654,2649,747],{"class":664},[654,2651,759],{"class":668},[654,2653,587],{"class":664},[654,2655,2278],{"class":668},[654,2657,1761],{"class":664},[654,2659,2660,2663,2665,2667,2669,2671],{"class":656,"line":1522},[654,2661,2662],{"class":743},"      description",[654,2664,747],{"class":664},[654,2666,759],{"class":668},[654,2668,587],{"class":664},[654,2670,580],{"class":668},[654,2672,1761],{"class":664},[654,2674,2675,2678,2680,2682,2684,2686],{"class":656,"line":1527},[654,2676,2677],{"class":743},"      color",[654,2679,747],{"class":664},[654,2681,678],{"class":664},[654,2683,735],{"class":681},[654,2685,707],{"class":664},[654,2687,1761],{"class":664},[654,2689,2690,2693,2695,2697,2699],{"class":656,"line":1559},[654,2691,2692],{"class":743},"      actions",[654,2694,747],{"class":664},[654,2696,759],{"class":668},[654,2698,587],{"class":664},[654,2700,2701],{"class":668},"link\n",[654,2703,2704,2707,2709,2711,2714,2716,2718,2721,2723,2725,2728,2730,2733,2735,2738,2740,2743,2745,2747,2749,2751,2753,2755],{"class":656,"line":1905},[654,2705,2706],{"class":664},"        ?",[654,2708,1748],{"class":743},[654,2710,740],{"class":664},[654,2712,2713],{"class":743}," label",[654,2715,747],{"class":664},[654,2717,678],{"class":664},[654,2719,2720],{"class":681},"Learn more",[654,2722,707],{"class":664},[654,2724,715],{"class":664},[654,2726,2727],{"class":701}," onClick",[654,2729,747],{"class":664},[654,2731,2732],{"class":664}," ()",[654,2734,1354],{"class":975},[654,2736,2737],{"class":668}," window",[654,2739,587],{"class":664},[654,2741,2742],{"class":701},"open",[654,2744,704],{"class":743},[654,2746,735],{"class":668},[654,2748,587],{"class":664},[654,2750,586],{"class":668},[654,2752,2605],{"class":743},[654,2754,1562],{"class":664},[654,2756,2757],{"class":743},"]\n",[654,2759,2761,2764],{"class":656,"line":2760},15,[654,2762,2763],{"class":664},"        :",[654,2765,2766],{"class":664}," undefined,\n",[654,2768,2770,2773],{"class":656,"line":2769},16,[654,2771,2772],{"class":664},"    }",[654,2774,725],{"class":743},[654,2776,2778],{"class":656,"line":2777},17,[654,2779,691],{"emptyLinePlaceholder":690},[654,2781,2783,2786,2788,2790,2792,2794,2796],{"class":656,"line":2782},18,[654,2784,2785],{"class":660},"    if",[654,2787,1344],{"class":743},[654,2789,735],{"class":668},[654,2791,587],{"class":664},[654,2793,583],{"class":668},[654,2795,2605],{"class":743},[654,2797,1738],{"class":664},[654,2799,2801,2804,2806,2808,2810,2813,2816,2819,2821,2823,2825,2828],{"class":656,"line":2800},19,[654,2802,2803],{"class":668},"      console",[654,2805,587],{"class":664},[654,2807,550],{"class":701},[654,2809,704],{"class":743},[654,2811,2812],{"class":664},"`",[654,2814,2815],{"class":681},"Fix: ",[654,2817,2818],{"class":664},"${",[654,2820,735],{"class":668},[654,2822,587],{"class":664},[654,2824,583],{"class":668},[654,2826,2827],{"class":664},"}`",[654,2829,725],{"class":743},[654,2831,2833],{"class":656,"line":2832},20,[654,2834,2835],{"class":664},"    }\n",[654,2837,2839],{"class":656,"line":2838},21,[654,2840,2363],{"class":664},[654,2842,2844],{"class":656,"line":2843},22,[654,2845,2368],{"class":664},[633,2847,2849],{"id":2848},"log-client-side","log (Client-Side)",[544,2851,2852,2853,2855],{},"The same ",[558,2854,564],{}," API works on the client side, outputting to the browser console:",[641,2857,2858,3086],{},[644,2859,2864],{"className":2860,"code":2861,"filename":2862,"language":2863,"meta":650,"style":650},"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",[558,2865,2866,2892,2906,2934,2938,2944,2976,3016,3030,3069,3073,3077],{"__ignoreMap":650},[654,2867,2868,2871,2874,2877,2880,2882,2884,2887,2889],{"class":656,"line":657},[654,2869,2870],{"class":664},"\u003C",[654,2872,2873],{"class":743},"script",[654,2875,2876],{"class":975}," setup",[654,2878,2879],{"class":975}," lang",[654,2881,833],{"class":664},[654,2883,2265],{"class":664},[654,2885,2886],{"class":681},"ts",[654,2888,2265],{"class":664},[654,2890,2891],{"class":664},">\n",[654,2893,2894,2896,2898,2901,2904],{"class":656,"line":687},[654,2895,1341],{"class":975},[654,2897,2522],{"class":975},[654,2899,2900],{"class":701}," handleCheckout",[654,2902,2903],{"class":664},"()",[654,2905,1357],{"class":664},[654,2907,2908,2910,2912,2914,2916,2918,2921,2923,2925,2927,2930,2932],{"class":656,"line":694},[654,2909,1384],{"class":668},[654,2911,587],{"class":664},[654,2913,550],{"class":701},[654,2915,704],{"class":743},[654,2917,707],{"class":664},[654,2919,2920],{"class":681},"checkout",[654,2922,707],{"class":664},[654,2924,715],{"class":664},[654,2926,678],{"class":664},[654,2928,2929],{"class":681},"User initiated checkout",[654,2931,707],{"class":664},[654,2933,725],{"class":743},[654,2935,2936],{"class":656,"line":728},[654,2937,691],{"emptyLinePlaceholder":690},[654,2939,2940,2942],{"class":656,"line":775},[654,2941,2544],{"class":660},[654,2943,1357],{"class":664},[654,2945,2946,2948,2950,2952,2954,2956,2958,2960,2962,2964,2966,2968,2970,2972,2974],{"class":656,"line":1021},[654,2947,2551],{"class":660},[654,2949,2554],{"class":701},[654,2951,704],{"class":743},[654,2953,707],{"class":664},[654,2955,1263],{"class":681},[654,2957,707],{"class":664},[654,2959,715],{"class":664},[654,2961,665],{"class":664},[654,2963,1242],{"class":743},[654,2965,747],{"class":664},[654,2967,678],{"class":664},[654,2969,1249],{"class":681},[654,2971,707],{"class":664},[654,2973,672],{"class":664},[654,2975,725],{"class":743},[654,2977,2978,2981,2983,2985,2987,2989,2991,2993,2995,2997,2999,3001,3004,3006,3008,3010,3012,3014],{"class":656,"line":1026},[654,2979,2980],{"class":668},"    log",[654,2982,587],{"class":664},[654,2984,550],{"class":701},[654,2986,704],{"class":743},[654,2988,740],{"class":664},[654,2990,744],{"class":743},[654,2992,747],{"class":664},[654,2994,678],{"class":664},[654,2996,2920],{"class":681},[654,2998,707],{"class":664},[654,3000,715],{"class":664},[654,3002,3003],{"class":743}," status",[654,3005,747],{"class":664},[654,3007,678],{"class":664},[654,3009,1626],{"class":681},[654,3011,707],{"class":664},[654,3013,672],{"class":664},[654,3015,725],{"class":743},[654,3017,3018,3020,3022,3024,3026,3028],{"class":656,"line":1062},[654,3019,2594],{"class":664},[654,3021,2597],{"class":660},[654,3023,1344],{"class":743},[654,3025,2602],{"class":668},[654,3027,2605],{"class":743},[654,3029,1738],{"class":664},[654,3031,3032,3034,3036,3038,3040,3042,3044,3046,3048,3050,3052,3054,3056,3058,3060,3063,3065,3067],{"class":656,"line":1094},[654,3033,2980],{"class":668},[654,3035,587],{"class":664},[654,3037,735],{"class":701},[654,3039,704],{"class":743},[654,3041,740],{"class":664},[654,3043,744],{"class":743},[654,3045,747],{"class":664},[654,3047,678],{"class":664},[654,3049,2920],{"class":681},[654,3051,707],{"class":664},[654,3053,715],{"class":664},[654,3055,759],{"class":743},[654,3057,747],{"class":664},[654,3059,678],{"class":664},[654,3061,3062],{"class":681},"failed",[654,3064,707],{"class":664},[654,3066,672],{"class":664},[654,3068,725],{"class":743},[654,3070,3071],{"class":656,"line":1494},[654,3072,2363],{"class":664},[654,3074,3075],{"class":656,"line":1522},[654,3076,2368],{"class":664},[654,3078,3079,3082,3084],{"class":656,"line":1527},[654,3080,3081],{"class":664},"\u003C\u002F",[654,3083,2873],{"class":743},[654,3085,2891],{"class":664},[644,3087,3090],{"className":646,"code":3088,"filename":3089,"language":649,"meta":650,"style":650},"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",[558,3091,3092,3105,3148,3181,3193,3221,3225,3229,3233,3243],{"__ignoreMap":650},[654,3093,3094,3096,3098,3101,3103],{"class":656,"line":657},[654,3095,1330],{"class":660},[654,3097,2522],{"class":975},[654,3099,3100],{"class":701}," useAnalytics",[654,3102,2903],{"class":664},[654,3104,1357],{"class":664},[654,3106,3107,3110,3113,3115,3117,3119,3122,3124,3127,3130,3133,3135,3138,3140,3143,3146],{"class":656,"line":687},[654,3108,3109],{"class":975},"  function",[654,3111,3112],{"class":701}," trackEvent",[654,3114,704],{"class":664},[654,3116,1348],{"class":1347},[654,3118,747],{"class":664},[654,3120,3121],{"class":815}," string",[654,3123,715],{"class":664},[654,3125,3126],{"class":1347}," data",[654,3128,3129],{"class":664},"?:",[654,3131,3132],{"class":815}," Record",[654,3134,2870],{"class":664},[654,3136,3137],{"class":815},"string",[654,3139,715],{"class":664},[654,3141,3142],{"class":815}," unknown",[654,3144,3145],{"class":664},">)",[654,3147,1357],{"class":664},[654,3149,3150,3152,3154,3156,3158,3160,3163,3165,3167,3170,3173,3175,3177,3179],{"class":656,"line":694},[654,3151,2980],{"class":668},[654,3153,587],{"class":664},[654,3155,550],{"class":701},[654,3157,704],{"class":743},[654,3159,707],{"class":664},[654,3161,3162],{"class":681},"analytics",[654,3164,707],{"class":664},[654,3166,715],{"class":664},[654,3168,3169],{"class":664}," `",[654,3171,3172],{"class":681},"Event: ",[654,3174,2818],{"class":664},[654,3176,1348],{"class":668},[654,3178,2827],{"class":664},[654,3180,725],{"class":743},[654,3182,3183,3185,3187,3189,3191],{"class":656,"line":728},[654,3184,2785],{"class":660},[654,3186,1344],{"class":743},[654,3188,2298],{"class":668},[654,3190,2605],{"class":743},[654,3192,1738],{"class":664},[654,3194,3195,3198,3200,3203,3205,3207,3210,3212,3215,3217,3219],{"class":656,"line":775},[654,3196,3197],{"class":668},"      log",[654,3199,587],{"class":664},[654,3201,3202],{"class":701},"debug",[654,3204,704],{"class":743},[654,3206,740],{"class":664},[654,3208,3209],{"class":668}," event",[654,3211,715],{"class":664},[654,3213,3214],{"class":664}," ...",[654,3216,2298],{"class":668},[654,3218,672],{"class":664},[654,3220,725],{"class":743},[654,3222,3223],{"class":656,"line":1021},[654,3224,2835],{"class":664},[654,3226,3227],{"class":656,"line":1026},[654,3228,2363],{"class":664},[654,3230,3231],{"class":656,"line":1062},[654,3232,691],{"emptyLinePlaceholder":690},[654,3234,3235,3237,3239,3241],{"class":656,"line":1094},[654,3236,1530],{"class":660},[654,3238,665],{"class":664},[654,3240,3112],{"class":668},[654,3242,1556],{"class":664},[654,3244,3245],{"class":656,"line":1494},[654,3246,2368],{"class":664},[548,3248,3249,3250,3252],{"color":877,"icon":878},"See ",[622,3251,317],{"href":318}," for drain configuration, identity context, and browser setup.",[633,3254,3256],{"id":3255},"how-much-of-this-do-you-need-on-day-one","How much of this do you need on day one?",[544,3258,3259],{},"Two calls. Everything else on this page is available when you want it, and nothing breaks while you do not.",[544,3261,3262,3265,3266,3269,3270,3273,3274,3276,3277,3279,3280,3282],{},[558,3263,3264],{},"log.info()"," behaves like ",[558,3267,3268],{},"console.log",", so the first commit is a find-and-replace that changes no behaviour. From there, the two that pay for themselves are ",[558,3271,3272],{},"log.set()",", which adds a field to the event already in flight, and ",[558,3275,2118],{},", which attaches a ",[558,3278,580],{}," and a ",[558,3281,583],{}," to a failure instead of a bare stack.",[544,3284,3285,3286,3288,3289,3291,3292,3297],{},"Migrate one handler at a time. A route still calling ",[558,3287,3268],{}," next to a route using ",[558,3290,3272],{}," 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 ",[622,3293,3294],{"href":95},[558,3295,3296],{},"evlog map"," rank them for you.",[544,3299,3300],{},"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.",[633,3302,3304],{"id":3303},"next-steps","Next Steps",[597,3306,3307,3317,3323,3328,3333,3338],{},[600,3308,3309,3313,3314,1351],{},[622,3310,3311],{"href":95},[558,3312,3296],{},": See what you just unlocked. Score coverage and find entry points that are still dark (",[558,3315,3316],{},"npx @evlog\u002Fcli map",[600,3318,3319,3322],{},[622,3320,3321],{"href":37},"Logging Overview",": Understand all three logging modes",[600,3324,3325,3327],{},[622,3326,46],{"href":47},": Learn how to design effective wide events",[600,3329,3330,3332],{},[622,3331,71],{"href":72},": Add compile-time type safety to your wide events",[600,3334,3335,3337],{},[622,3336,51],{"href":52},": Master error handling with evlog",[600,3339,3340,3342],{},[622,3341,521],{"href":522},": Security guidelines and production tips",[3344,3345,3346],"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":650,"searchDepth":687,"depth":687,"links":3348},[3349,3350,3351,3355,3359,3360,3361],{"id":635,"depth":687,"text":636},{"id":885,"depth":687,"text":886},{"id":1286,"depth":687,"text":1287,"children":3352},[3353,3354],{"id":1637,"depth":694,"text":1638},{"id":1704,"depth":694,"text":1705},{"id":2112,"depth":687,"text":2113,"children":3356},[3357,3358],{"id":2371,"depth":694,"text":2372},{"id":2477,"depth":694,"text":2478},{"id":2848,"depth":687,"text":2849},{"id":3255,"depth":687,"text":3256},{"id":3303,"depth":687,"text":3304},"Get up and running with evlog in minutes. Learn the log API, createLogger for wide events, useLogger for requests, and structured errors.","md",[3365,3367],{"label":3321,"icon":39,"to":37,"color":877,"variant":3366},"subtle",{"label":51,"icon":54,"to":52,"color":877,"variant":3366},{},{"icon":28},{"title":25,"description":3362},"tIwBPaVNkqco_t7yNKN70k9CPoleKHQdQYO5LHXTC9s",[3373,3375],{"title":20,"path":21,"stem":22,"description":3374,"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":3376,"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.",1788169241122]