[{"data":1,"prerenderedAt":1279},["ShallowReactive",2],{"navigation_docs":3,"-cli-observability-score":607,"-cli-observability-score-surround":1274},[4,35,85,143,323,484,543,582],{"title":5,"path":6,"stem":7,"children":8,"page":34},"Start","\u002Fstart","1.start",[9,14,19,24,29],{"title":10,"path":11,"stem":12,"icon":13},"Introduction","\u002Fstart\u002Fintroduction","1.start\u002F1.introduction","i-lucide-info",{"title":15,"path":16,"stem":17,"icon":18},"Why start with evlog","\u002Fstart\u002Fwhy-evlog","1.start\u002F2.why-evlog","i-lucide-rocket",{"title":20,"path":21,"stem":22,"icon":23},"Installation","\u002Fstart\u002Finstallation","1.start\u002F3.installation","i-lucide-download",{"title":25,"path":26,"stem":27,"icon":28},"Quick Start","\u002Fstart\u002Fquick-start","1.start\u002F4.quick-start","i-lucide-zap",{"title":30,"path":31,"stem":32,"icon":33},"Choose your logger","\u002Fstart\u002Ftypescript-logging-library","1.start\u002F5.typescript-logging-library","i-lucide-file-code",false,{"title":36,"path":37,"stem":38,"children":39,"page":34},"Learn","\u002Flearn","2.learn",[40,45,50,55,60,65,70,75,80],{"title":41,"path":42,"stem":43,"icon":44},"Overview","\u002Flearn\u002Foverview","2.learn\u002F0.overview","i-lucide-list",{"title":46,"path":47,"stem":48,"icon":49},"Simple Logging","\u002Flearn\u002Fsimple-logging","2.learn\u002F1.simple-logging","i-lucide-terminal",{"title":51,"path":52,"stem":53,"icon":54},"Wide Events","\u002Flearn\u002Fwide-events","2.learn\u002F2.wide-events","i-lucide-layers",{"title":56,"path":57,"stem":58,"icon":59},"Structured Errors","\u002Flearn\u002Fstructured-errors","2.learn\u002F3.structured-errors","i-lucide-shield-alert",{"title":61,"path":62,"stem":63,"icon":64},"Lifecycle","\u002Flearn\u002Flifecycle","2.learn\u002F4.lifecycle","i-lucide-arrow-right-left",{"title":66,"path":67,"stem":68,"icon":69},"Sampling","\u002Flearn\u002Fsampling","2.learn\u002F5.sampling","i-lucide-filter",{"title":71,"path":72,"stem":73,"icon":74},"Auto-Redaction","\u002Flearn\u002Fredaction","2.learn\u002F6.redaction","i-lucide-eye-off",{"title":76,"path":77,"stem":78,"icon":79},"Typed Fields","\u002Flearn\u002Ftyped-fields","2.learn\u002F7.typed-fields","i-simple-icons-typescript",{"title":81,"path":82,"stem":83,"icon":84},"Catalogs","\u002Flearn\u002Fcatalogs","2.learn\u002F8.catalogs","i-lucide-book-open",{"title":86,"path":87,"stem":88,"children":89,"page":34},"CLI","\u002Fcli","3.cli",[90,93,98,103,108,113,118,123,128,133,138],{"title":41,"path":91,"stem":92,"icon":49},"\u002Fcli\u002Foverview","3.cli\u002F0.overview",{"title":94,"path":95,"stem":96,"icon":97},"init","\u002Fcli\u002Finit","3.cli\u002F1.init","i-lucide-wand-sparkles",{"title":99,"path":100,"stem":101,"icon":102},"logs","\u002Fcli\u002Flogs","3.cli\u002F10.logs","i-lucide-scroll-text",{"title":104,"path":105,"stem":106,"icon":107},"map","\u002Fcli\u002Fmap","3.cli\u002F2.map","i-lucide-radar",{"title":109,"path":110,"stem":111,"icon":112},"Rules","\u002Fcli\u002Frules","3.cli\u002F3.rules","i-lucide-list-checks",{"title":114,"path":115,"stem":116,"icon":117},"Scoring","\u002Fcli\u002Fscoring","3.cli\u002F4.scoring","i-lucide-gauge",{"title":119,"path":120,"stem":121,"icon":122},"CI","\u002Fcli\u002Fci","3.cli\u002F5.ci","i-lucide-git-pull-request",{"title":124,"path":125,"stem":126,"icon":127},"doctor","\u002Fcli\u002Fdoctor","3.cli\u002F6.doctor","i-lucide-stethoscope",{"title":129,"path":130,"stem":131,"icon":132},"telemetry","\u002Fcli\u002Ftelemetry","3.cli\u002F7.telemetry","i-lucide-bar-chart-3",{"title":134,"path":135,"stem":136,"icon":137},"agents","\u002Fcli\u002Fagents","3.cli\u002F8.agents","i-lucide-bot",{"title":139,"path":140,"stem":141,"icon":142},"Observability Score","\u002Fcli\u002Fobservability-score","3.cli\u002F9.observability-score","i-lucide-activity",{"title":144,"path":145,"stem":146,"children":147,"page":34},"Integrate","\u002Fintegrate","4.integrate",[148,152,235],{"title":41,"path":149,"stem":150,"icon":151},"\u002Fintegrate\u002Foverview","4.integrate\u002F0.overview","i-lucide-plug",{"title":153,"path":154,"stem":155,"children":156,"page":34},"Adapters","\u002Fintegrate\u002Fadapters","4.integrate\u002Fadapters",[157,160,190,215],{"title":41,"path":158,"stem":159,"icon":44},"\u002Fintegrate\u002Fadapters\u002Foverview","4.integrate\u002Fadapters\u002F01.overview",{"title":161,"path":162,"stem":163,"children":164,"page":34},"Cloud","\u002Fintegrate\u002Fadapters\u002Fcloud","4.integrate\u002Fadapters\u002Fcloud",[165,170,175,180,185],{"title":166,"path":167,"stem":168,"icon":169},"Axiom","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Faxiom","4.integrate\u002Fadapters\u002Fcloud\u002F01.axiom","i-custom-axiom",{"title":171,"path":172,"stem":173,"icon":174},"PostHog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fposthog","4.integrate\u002Fadapters\u002Fcloud\u002F02.posthog","i-simple-icons-posthog",{"title":176,"path":177,"stem":178,"icon":179},"Sentry","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fsentry","4.integrate\u002Fadapters\u002Fcloud\u002F03.sentry","i-simple-icons-sentry",{"title":181,"path":182,"stem":183,"icon":184},"Better Stack","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fbetter-stack","4.integrate\u002Fadapters\u002Fcloud\u002F04.better-stack","i-simple-icons-betterstack",{"title":186,"path":187,"stem":188,"icon":189},"Datadog","\u002Fintegrate\u002Fadapters\u002Fcloud\u002Fdatadog","4.integrate\u002Fadapters\u002Fcloud\u002F05.datadog","i-simple-icons-datadog",{"title":191,"path":192,"stem":193,"children":194,"page":34},"Cloud or Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fhybrid","4.integrate\u002Fadapters\u002Fhybrid",[195,200,205,210],{"title":196,"path":197,"stem":198,"icon":199},"Grafana Loki","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Floki","4.integrate\u002Fadapters\u002Fhybrid\u002F01.loki","i-simple-icons-grafana",{"title":201,"path":202,"stem":203,"icon":204},"ClickHouse","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fclickhouse","4.integrate\u002Fadapters\u002Fhybrid\u002F02.clickhouse","i-simple-icons-clickhouse",{"title":206,"path":207,"stem":208,"icon":209},"OTLP","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fotlp","4.integrate\u002Fadapters\u002Fhybrid\u002F03.otlp","i-simple-icons-opentelemetry",{"title":211,"path":212,"stem":213,"icon":214},"HyperDX","\u002Fintegrate\u002Fadapters\u002Fhybrid\u002Fhyperdx","4.integrate\u002Fadapters\u002Fhybrid\u002F04.hyperdx","i-custom-hyperdx",{"title":216,"path":217,"stem":218,"children":219,"page":34},"Self-Hosted","\u002Fintegrate\u002Fadapters\u002Fself-hosted","4.integrate\u002Fadapters\u002Fself-hosted",[220,225,230],{"title":221,"path":222,"stem":223,"icon":224},"File System","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Ffs","4.integrate\u002Fadapters\u002Fself-hosted\u002F01.fs","i-lucide-hard-drive",{"title":226,"path":227,"stem":228,"icon":229},"NuxtHub","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fnuxthub","4.integrate\u002Fadapters\u002Fself-hosted\u002F02.nuxthub","i-simple-icons-nuxt",{"title":231,"path":232,"stem":233,"icon":234},"Memory","\u002Fintegrate\u002Fadapters\u002Fself-hosted\u002Fmemory","4.integrate\u002Fadapters\u002Fself-hosted\u002F03.memory","i-lucide-cpu",{"title":236,"path":237,"stem":238,"children":239,"page":34},"Frameworks","\u002Fintegrate\u002Fframeworks","4.integrate\u002Fframeworks",[240,244,249,254,259,264,269,274,279,284,289,294,299,304,308,313,318],{"title":41,"path":241,"stem":242,"icon":243},"\u002Fintegrate\u002Fframeworks\u002Foverview","4.integrate\u002Fframeworks\u002F00.overview","i-lucide-layout-grid",{"title":245,"path":246,"stem":247,"icon":248},"Nuxt","\u002Fintegrate\u002Fframeworks\u002Fnuxt","4.integrate\u002Fframeworks\u002F01.nuxt","i-simple-icons-nuxtdotjs",{"title":250,"path":251,"stem":252,"icon":253},"Next.js","\u002Fintegrate\u002Fframeworks\u002Fnextjs","4.integrate\u002Fframeworks\u002F02.nextjs","i-simple-icons-nextdotjs",{"title":255,"path":256,"stem":257,"icon":258},"SvelteKit","\u002Fintegrate\u002Fframeworks\u002Fsveltekit","4.integrate\u002Fframeworks\u002F03.sveltekit","i-simple-icons-svelte",{"title":260,"path":261,"stem":262,"icon":263},"Nitro","\u002Fintegrate\u002Fframeworks\u002Fnitro","4.integrate\u002Fframeworks\u002F04.nitro","i-custom-nitro",{"title":265,"path":266,"stem":267,"icon":268},"TanStack Start","\u002Fintegrate\u002Fframeworks\u002Ftanstack-start","4.integrate\u002Fframeworks\u002F05.tanstack-start","i-custom-tanstack",{"title":270,"path":271,"stem":272,"icon":273},"NestJS","\u002Fintegrate\u002Fframeworks\u002Fnestjs","4.integrate\u002Fframeworks\u002F06.nestjs","i-simple-icons-nestjs",{"title":275,"path":276,"stem":277,"icon":278},"Express","\u002Fintegrate\u002Fframeworks\u002Fexpress","4.integrate\u002Fframeworks\u002F07.express","i-simple-icons-express",{"title":280,"path":281,"stem":282,"icon":283},"Hono","\u002Fintegrate\u002Fframeworks\u002Fhono","4.integrate\u002Fframeworks\u002F08.hono","i-simple-icons-hono",{"title":285,"path":286,"stem":287,"icon":288},"Fastify","\u002Fintegrate\u002Fframeworks\u002Ffastify","4.integrate\u002Fframeworks\u002F09.fastify","i-simple-icons-fastify",{"title":290,"path":291,"stem":292,"icon":293},"Elysia","\u002Fintegrate\u002Fframeworks\u002Felysia","4.integrate\u002Fframeworks\u002F10.elysia","i-custom-elysia",{"title":295,"path":296,"stem":297,"icon":298},"React Router","\u002Fintegrate\u002Fframeworks\u002Freact-router","4.integrate\u002Fframeworks\u002F11.react-router","i-custom-reactrouter",{"title":300,"path":301,"stem":302,"icon":303},"Cloudflare Workers","\u002Fintegrate\u002Fframeworks\u002Fcloudflare-workers","4.integrate\u002Fframeworks\u002F12.cloudflare-workers","i-simple-icons-cloudflare",{"title":305,"path":306,"stem":307,"icon":79},"Standalone","\u002Fintegrate\u002Fframeworks\u002Fstandalone","4.integrate\u002Fframeworks\u002F13.standalone",{"title":309,"path":310,"stem":311,"icon":312},"Astro","\u002Fintegrate\u002Fframeworks\u002Fastro","4.integrate\u002Fframeworks\u002F14.astro","i-simple-icons-astro",{"title":314,"path":315,"stem":316,"icon":317},"oRPC","\u002Fintegrate\u002Fframeworks\u002Forpc","4.integrate\u002Fframeworks\u002F15.orpc","i-lucide-network",{"title":319,"path":320,"stem":321,"icon":322},"AWS Lambda","\u002Fintegrate\u002Fframeworks\u002Faws-lambda","4.integrate\u002Fframeworks\u002F16.aws-lambda","i-custom-lambda",{"title":324,"path":325,"stem":326,"children":327,"page":34},"Use Cases","\u002Fuse-cases","5.use-cases",[328,331,336,364,391,423,444,449,454,458],{"title":41,"path":329,"stem":330,"icon":112},"\u002Fuse-cases\u002Foverview","5.use-cases\u002F0.overview",{"title":332,"path":333,"stem":334,"icon":335},"Client Logging","\u002Fuse-cases\u002Fclient-logging","5.use-cases\u002F1.client-logging","i-lucide-monitor",{"title":337,"icon":338,"path":339,"stem":340,"children":341,"page":34},"AI SDK","i-simple-icons-vercel","\u002Fuse-cases\u002Fai-sdk","5.use-cases\u002F2.ai-sdk",[342,345,350,355,360],{"title":41,"path":343,"stem":344,"icon":44},"\u002Fuse-cases\u002Fai-sdk\u002Foverview","5.use-cases\u002F2.ai-sdk\u002F01.overview",{"title":346,"path":347,"stem":348,"icon":349},"Usage","\u002Fuse-cases\u002Fai-sdk\u002Fusage","5.use-cases\u002F2.ai-sdk\u002F02.usage","i-lucide-code",{"title":351,"path":352,"stem":353,"icon":354},"Options","\u002Fuse-cases\u002Fai-sdk\u002Foptions","5.use-cases\u002F2.ai-sdk\u002F03.options","i-lucide-sliders",{"title":356,"path":357,"stem":358,"icon":359},"Metadata","\u002Fuse-cases\u002Fai-sdk\u002Fmetadata","5.use-cases\u002F2.ai-sdk\u002F04.metadata","i-lucide-database",{"title":361,"path":362,"stem":363,"icon":142},"Telemetry","\u002Fuse-cases\u002Fai-sdk\u002Ftelemetry","5.use-cases\u002F2.ai-sdk\u002F05.telemetry",{"title":365,"icon":366,"path":367,"stem":368,"children":369,"page":34},"Better Auth","i-simple-icons-betterauth","\u002Fuse-cases\u002Fbetter-auth","5.use-cases\u002F3.better-auth",[370,373,378,383,387],{"title":41,"path":371,"stem":372,"icon":44},"\u002Fuse-cases\u002Fbetter-auth\u002Foverview","5.use-cases\u002F3.better-auth\u002F01.overview",{"title":374,"path":375,"stem":376,"icon":377},"Identify User","\u002Fuse-cases\u002Fbetter-auth\u002Fidentify-user","5.use-cases\u002F3.better-auth\u002F02.identify-user","i-lucide-user-check",{"title":379,"path":380,"stem":381,"icon":382},"Middleware","\u002Fuse-cases\u002Fbetter-auth\u002Fmiddleware","5.use-cases\u002F3.better-auth\u002F03.middleware","i-lucide-shield",{"title":384,"path":385,"stem":386,"icon":335},"Client Sync","\u002Fuse-cases\u002Fbetter-auth\u002Fclient-sync","5.use-cases\u002F3.better-auth\u002F04.client-sync",{"title":388,"path":389,"stem":390,"icon":117},"Performance","\u002Fuse-cases\u002Fbetter-auth\u002Fperformance","5.use-cases\u002F3.better-auth\u002F05.performance",{"title":392,"icon":393,"path":394,"stem":395,"children":396,"page":34},"Audit Logs","i-lucide-shield-check","\u002Fuse-cases\u002Faudit","5.use-cases\u002F4.audit",[397,400,405,410,415,419],{"title":41,"path":398,"stem":399,"icon":44},"\u002Fuse-cases\u002Faudit\u002Foverview","5.use-cases\u002F4.audit\u002F01.overview",{"title":401,"path":402,"stem":403,"icon":404},"Schema","\u002Fuse-cases\u002Faudit\u002Fschema","5.use-cases\u002F4.audit\u002F02.schema","i-lucide-file-text",{"title":406,"path":407,"stem":408,"icon":409},"Recording","\u002Fuse-cases\u002Faudit\u002Frecording","5.use-cases\u002F4.audit\u002F03.recording","i-lucide-pen-line",{"title":411,"path":412,"stem":413,"icon":414},"Drains","\u002Fuse-cases\u002Faudit\u002Fpipeline","5.use-cases\u002F4.audit\u002F04.pipeline","i-lucide-link",{"title":416,"path":417,"stem":418,"icon":393},"Compliance","\u002Fuse-cases\u002Faudit\u002Fcompliance","5.use-cases\u002F4.audit\u002F05.compliance",{"title":420,"path":421,"stem":422,"icon":84},"Recipes","\u002Fuse-cases\u002Faudit\u002Frecipes","5.use-cases\u002F4.audit\u002F06.recipes",{"title":361,"icon":117,"path":424,"stem":425,"children":426,"page":34},"\u002Fuse-cases\u002Ftelemetry","5.use-cases\u002F4.telemetry",[427,430,435,440],{"title":41,"path":428,"stem":429,"icon":44},"\u002Fuse-cases\u002Ftelemetry\u002Foverview","5.use-cases\u002F4.telemetry\u002F01.overview",{"title":431,"path":432,"stem":433,"icon":434},"Setup","\u002Fuse-cases\u002Ftelemetry\u002Fsetup","5.use-cases\u002F4.telemetry\u002F02.setup","i-lucide-wrench",{"title":436,"path":437,"stem":438,"icon":439},"Ingest","\u002Fuse-cases\u002Ftelemetry\u002Fingest","5.use-cases\u002F4.telemetry\u002F03.ingest","i-lucide-server",{"title":441,"path":442,"stem":443,"icon":84},"Reference","\u002Fuse-cases\u002Ftelemetry\u002Freference","5.use-cases\u002F4.telemetry\u002F04.reference",{"title":445,"path":446,"stem":447,"icon":448},"Enrichers","\u002Fuse-cases\u002Fenrichers","5.use-cases\u002F5.enrichers","i-lucide-sparkles",{"title":450,"path":451,"stem":452,"icon":453},"eve","\u002Fuse-cases\u002Feve","5.use-cases\u002F5.eve","i-custom-eve",{"title":455,"path":456,"stem":457,"icon":439},"Node.js request logging","\u002Fuse-cases\u002Fstructured-logging-nodejs","5.use-cases\u002F6.structured-logging-nodejs",{"title":459,"icon":460,"path":461,"stem":462,"children":463,"page":34},"Signals","i-lucide-scan-search","\u002Fuse-cases\u002Fsignals","5.use-cases\u002F7.signals",[464,467,472,477,480],{"title":41,"path":465,"stem":466,"icon":44},"\u002Fuse-cases\u002Fsignals\u002Foverview","5.use-cases\u002F7.signals\u002F01.overview",{"title":468,"path":469,"stem":470,"icon":471},"What You Can Ask","\u002Fuse-cases\u002Fsignals\u002Fask","5.use-cases\u002F7.signals\u002F02.ask","i-lucide-message-circle-question",{"title":473,"path":474,"stem":475,"icon":476},"What It Costs","\u002Fuse-cases\u002Fsignals\u002Fcost","5.use-cases\u002F7.signals\u002F03.cost","i-lucide-coins",{"title":441,"path":478,"stem":479,"icon":84},"\u002Fuse-cases\u002Fsignals\u002Freference","5.use-cases\u002F7.signals\u002F04.reference",{"title":420,"path":481,"stem":482,"icon":483},"\u002Fuse-cases\u002Fsignals\u002Frecipes","5.use-cases\u002F7.signals\u002F05.recipes","i-lucide-lightbulb",{"title":485,"path":486,"stem":487,"children":488,"page":34},"Extend","\u002Fextend","6.extend",[489,493,498,503,507,512,516,520,524,528,533,538],{"title":41,"path":490,"stem":491,"icon":492},"\u002Fextend\u002Foverview","6.extend\u002F0.overview","i-lucide-blocks",{"title":494,"path":495,"stem":496,"icon":497},"Stream","\u002Fextend\u002Fstream","6.extend\u002F1.stream","i-lucide-radio-tower",{"title":499,"path":500,"stem":501,"icon":502},"Custom framework","\u002Fextend\u002Fcustom-framework","6.extend\u002F10.custom-framework","i-lucide-puzzle",{"title":504,"path":505,"stem":506,"icon":497},"Diagnostics channel","\u002Fextend\u002Fdiagnostics-channel","6.extend\u002F11.diagnostics-channel",{"title":508,"path":509,"stem":510,"icon":511},"FS reader","\u002Fextend\u002Ffs-reader","6.extend\u002F2.fs-reader","i-lucide-folder-search",{"title":420,"path":513,"stem":514,"icon":515},"\u002Fextend\u002Fconsumer-recipes","6.extend\u002F3.consumer-recipes","i-lucide-chef-hat",{"title":517,"path":518,"stem":519,"icon":492},"Plugins","\u002Fextend\u002Fplugins","6.extend\u002F4.plugins",{"title":521,"path":522,"stem":523,"icon":448},"Custom enrichers","\u002Fextend\u002Fcustom-enrichers","6.extend\u002F5.custom-enrichers",{"title":525,"path":526,"stem":527,"icon":69},"Tail sampling","\u002Fextend\u002Ftail-sampling","6.extend\u002F6.tail-sampling",{"title":529,"path":530,"stem":531,"icon":532},"Identity headers","\u002Fextend\u002Fidentity-headers","6.extend\u002F7.identity-headers","i-lucide-fingerprint",{"title":534,"path":535,"stem":536,"icon":537},"Custom drains","\u002Fextend\u002Fcustom-drains","6.extend\u002F8.custom-drains","i-lucide-share-2",{"title":539,"path":540,"stem":541,"icon":542},"Drain pipeline","\u002Fextend\u002Fdrain-pipeline","6.extend\u002F9.drain-pipeline","i-lucide-workflow",{"title":441,"path":544,"stem":545,"children":546,"page":34},"\u002Freference","7.reference",[547,551,556,559,564,568,573,577],{"title":41,"path":548,"stem":549,"icon":550},"\u002Freference\u002Foverview","7.reference\u002F0.overview","i-lucide-book-marked",{"title":552,"path":553,"stem":554,"icon":555},"Configuration","\u002Freference\u002Fconfiguration","7.reference\u002F1.configuration","i-lucide-settings",{"title":388,"path":557,"stem":558,"icon":117},"\u002Freference\u002Fperformance","7.reference\u002F2.performance",{"title":560,"path":561,"stem":562,"icon":563},"Vite Plugin","\u002Freference\u002Fvite-plugin","7.reference\u002F3.vite-plugin","i-custom-vite",{"title":565,"path":566,"stem":567,"icon":393},"Best Practices","\u002Freference\u002Fbest-practices","7.reference\u002F4.best-practices",{"title":569,"path":570,"stem":571,"icon":572},"vs Other Loggers","\u002Freference\u002Fvs-other-loggers","7.reference\u002F5.vs-other-loggers","i-lucide-scale",{"title":574,"path":575,"stem":576,"icon":448},"Agent Skills","\u002Freference\u002Fagent-skills","7.reference\u002F6.agent-skills",{"title":578,"path":579,"stem":580,"icon":581},"Cost","\u002Freference\u002Fcost","7.reference\u002F7.cost","i-lucide-receipt",{"title":583,"path":584,"stem":585,"children":586,"page":34},"Compare","\u002Fcompare","8.compare",[587,591,595,599,603],{"title":588,"path":589,"stem":590,"icon":572},"evlog vs Pino","\u002Fcompare\u002Fpino","8.compare\u002F1.pino",{"title":592,"path":593,"stem":594,"icon":209},"evlog vs OpenTelemetry","\u002Fcompare\u002Fopentelemetry","8.compare\u002F2.opentelemetry",{"title":596,"path":597,"stem":598,"icon":572},"evlog vs LogTape","\u002Fcompare\u002Flogtape","8.compare\u002F3.logtape",{"title":600,"path":601,"stem":602,"icon":572},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","8.compare\u002F4.winston",{"title":604,"path":605,"stem":606,"icon":572},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":608,"title":609,"body":610,"description":1263,"extension":1264,"links":1265,"meta":1270,"navigation":1271,"path":140,"seo":1272,"stem":141,"__hash__":1273},"docs\u002F3.cli\u002F9.observability-score.md","Observability Score with evlog map",{"type":611,"value":612,"toc":1256},"minimark",[613,622,627,630,641,652,681,684,688,695,706,713,724,728,731,937,940,958,967,1176,1182,1189,1193,1209,1215,1219,1222,1242,1252],[614,615,616,617,621],"p",{},"Before changing your logging, inspect which supported entry points meet evlog's logging checks. ",[618,619,620],"code",{},"evlog map"," reads source files and reports missing context, structured errors, and other recognized patterns. Its score summarizes those static checks, not the percentage of your application that can explain a production failure.",[623,624,626],"h2",{"id":625},"check-the-supported-scope-first","Check the supported scope first",[614,628,629],{},"The CLI currently has adapters for Nuxt, Nitro, Next.js, TanStack Start, Hono, Express, and Fastify. Run it from the application package, not a monorepo root without a detected framework. An unsupported Node.js project cannot be scored by these adapters.",[614,631,632,633,636,637,640],{},"You can scan a supported project without installing evlog in it. However, checks such as ",[618,634,635],{},"wide-event"," and ",[618,638,639],{},"context"," recognize evlog conventions. Existing Pino or LogTape instrumentation can receive a low score even when it produces useful logs. Use the report to plan evlog adoption, not to rank logging libraries.",[614,642,643,644,647,648,651],{},"This command inspects the project without writing ",[618,645,646],{},"evlog.map.json",". The examples on this page were checked with CLI 0.6.3 (",[618,649,650],{},"evlog --version","):",[653,654,660],"pre",{"className":655,"code":656,"filename":657,"language":658,"meta":659,"style":659},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","npx evlog map --no-write\n","Terminal","bash","",[618,661,662],{"__ignoreMap":659},[663,664,667,671,675,678],"span",{"class":665,"line":666},"line",1,[663,668,670],{"class":669},"sBMFI","npx",[663,672,674],{"class":673},"sfazB"," evlog",[663,676,677],{"class":673}," map",[663,679,680],{"class":673}," --no-write\n",[614,682,683],{},"The scan does not execute handlers or require traffic. It only sees entry points and code patterns its adapter recognizes. Check the detected framework and entry-point count before interpreting the number.",[623,685,687],{"id":686},"read-a-real-report","Read a real report",[614,689,690,691,694],{},"This output comes from the repository's Next.js example at commit ",[618,692,693],{},"e154fa9c",". It has five detected entry points, two with failed requirements:",[696,697,698],"code-collapse",{},[653,699,704],{"className":700,"code":702,"filename":620,"language":703,"meta":659},[701],"language-text","█▀█ ▀▀█   score \u002F100              evlog-nextjs-example · Next.js\n█▀█   █   ▰▰▰▰▰▰▰▰▰▰▰▰▰▰▰▰▰▱▱▱    5 entry points scanned\n▀▀▀   ▀   good                    ▆▆█▁█\n\nCOVERAGE\n● API handlers       ▰▰▰▰▰▰▰▰▰▱   92  1 of 3 have gaps\n● Pages              ▰▰▰▰▰▰▰▰▱▱   80  1 swallows fetch errors\n● Money & auth       ▰▰▰▰▰▰▰▰▱▱   75  missing audit trails\n\nFIX FIRST\n1. POST   \u002Fapi\u002Fcheckout $ — moves money with no audit trail\n   app\u002Fapi\u002Fcheckout\u002Froute.ts:3 · evlog.dev\u002Fuse-cases\u002Faudit\u002Foverview\n2. PAGE   \u002F — swallows fetch errors — users see a blank page\n   app\u002Fpage.tsx:1 · evlog.dev\u002Flearn\u002Flifecycle\n\n✓ Already solid: \u002Fapi\u002Ferror · \u002Fapi\u002Fhealth\n▲ 87 → 100 by fixing the 2 above\n\n────────────────────────────\nhow this score works → evlog.dev\u002Fcli\u002Fscoring\n▸ evlog map --all every entry point · evlog map \u003Cfile> inspect one\n  --min-score 80 CI gate\n","text",[618,705,702],{"__ignoreMap":659},[614,707,708,709,712],{},"The 87\u002F100 score is a weighted average of checks on those entries. It does not mean 87% of the application's execution paths are covered. ",[618,710,711],{},"FIX FIRST"," highlights requirements to inspect, and the projected 100 means those static requirements would pass. It does not prove delivery to a backend or usefulness during an incident.",[614,714,715,716,720,721,723],{},"The ",[717,718,719],"a",{"href":115},"Scoring reference"," owns the weights, aggregation formula, grades, and sensitivity classification. ",[717,722,109],{"href":110}," explains what each check recognizes.",[623,725,727],{"id":726},"fix-one-context-gap","Fix one context gap",[614,729,730],{},"In a Next.js App Router application with evlog installed, this handler is wrapped for logging but adds no application context:",[653,732,737],{"className":733,"code":734,"filename":735,"language":736,"meta":659,"style":659},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { withEvlog } from '@\u002Flib\u002Fevlog'\n\nexport const GET = withEvlog(async (request: Request) => {\n  const name = new URL(request.url).searchParams.get('name') ?? 'world'\n  return Response.json({ message: `Hello ${name}` })\n})\n","app\u002Fapi\u002Fhello\u002Froute.ts, before","typescript",[618,738,739,768,775,822,886,929],{"__ignoreMap":659},[663,740,741,745,749,753,756,759,762,765],{"class":665,"line":666},[663,742,744],{"class":743},"s7zQu","import",[663,746,748],{"class":747},"sMK4o"," {",[663,750,752],{"class":751},"sTEyZ"," withEvlog",[663,754,755],{"class":747}," }",[663,757,758],{"class":743}," from",[663,760,761],{"class":747}," '",[663,763,764],{"class":673},"@\u002Flib\u002Fevlog",[663,766,767],{"class":747},"'\n",[663,769,771],{"class":665,"line":770},2,[663,772,774],{"emptyLinePlaceholder":773},true,"\n",[663,776,778,781,785,788,791,794,797,800,803,807,810,813,816,819],{"class":665,"line":777},3,[663,779,780],{"class":743},"export",[663,782,784],{"class":783},"spNyl"," const",[663,786,787],{"class":751}," GET ",[663,789,790],{"class":747},"=",[663,792,752],{"class":793},"s2Zo4",[663,795,796],{"class":751},"(",[663,798,799],{"class":783},"async",[663,801,802],{"class":747}," (",[663,804,806],{"class":805},"sHdIc","request",[663,808,809],{"class":747},":",[663,811,812],{"class":669}," Request",[663,814,815],{"class":747},")",[663,817,818],{"class":783}," =>",[663,820,821],{"class":747}," {\n",[663,823,825,828,831,834,837,840,843,845,848,851,853,855,858,860,863,865,868,871,873,876,879,881,884],{"class":665,"line":824},4,[663,826,827],{"class":783},"  const",[663,829,830],{"class":751}," name",[663,832,833],{"class":747}," =",[663,835,836],{"class":747}," new",[663,838,839],{"class":793}," URL",[663,841,796],{"class":842},"swJcz",[663,844,806],{"class":751},[663,846,847],{"class":747},".",[663,849,850],{"class":751},"url",[663,852,815],{"class":842},[663,854,847],{"class":747},[663,856,857],{"class":751},"searchParams",[663,859,847],{"class":747},[663,861,862],{"class":793},"get",[663,864,796],{"class":842},[663,866,867],{"class":747},"'",[663,869,870],{"class":673},"name",[663,872,867],{"class":747},[663,874,875],{"class":842},") ",[663,877,878],{"class":747},"??",[663,880,761],{"class":747},[663,882,883],{"class":673},"world",[663,885,767],{"class":747},[663,887,889,892,895,897,900,902,905,908,910,913,916,919,921,924,926],{"class":665,"line":888},5,[663,890,891],{"class":743},"  return",[663,893,894],{"class":751}," Response",[663,896,847],{"class":747},[663,898,899],{"class":793},"json",[663,901,796],{"class":842},[663,903,904],{"class":747},"{",[663,906,907],{"class":842}," message",[663,909,809],{"class":747},[663,911,912],{"class":747}," `",[663,914,915],{"class":673},"Hello ",[663,917,918],{"class":747},"${",[663,920,870],{"class":751},[663,922,923],{"class":747},"}`",[663,925,755],{"class":747},[663,927,928],{"class":842},")\n",[663,930,932,935],{"class":665,"line":931},6,[663,933,934],{"class":747},"}",[663,936,928],{"class":751},[614,938,939],{},"Inspect that file directly:",[653,941,943],{"className":655,"code":942,"filename":657,"language":658,"meta":659,"style":659},"npx evlog map app\u002Fapi\u002Fhello\u002Froute.ts --no-write\n",[618,944,945],{"__ignoreMap":659},[663,946,947,949,951,953,956],{"class":665,"line":666},[663,948,670],{"class":669},[663,950,674],{"class":673},[663,952,677],{"class":673},[663,954,955],{"class":673}," app\u002Fapi\u002Fhello\u002Froute.ts",[663,957,680],{"class":673},[614,959,715,960,962,963,966],{},[618,961,639],{}," requirement fails because the handler has no recognized ",[618,964,965],{},"set()"," call. Attach a useful decision without recording the user's name:",[653,968,971],{"className":733,"code":969,"filename":970,"language":736,"meta":659,"style":659},"import { useLogger, withEvlog } from '@\u002Flib\u002Fevlog'\n\nexport const GET = withEvlog(async (request: Request) => {\n  const log = useLogger()\n  const name = new URL(request.url).searchParams.get('name') ?? 'world'\n  log.set({ greeting: { personalized: name !== 'world' } })\n  return Response.json({ message: `Hello ${name}` })\n})\n","app\u002Fapi\u002Fhello\u002Froute.ts, after",[618,972,973,997,1001,1031,1045,1093,1136,1169],{"__ignoreMap":659},[663,974,975,977,979,982,985,987,989,991,993,995],{"class":665,"line":666},[663,976,744],{"class":743},[663,978,748],{"class":747},[663,980,981],{"class":751}," useLogger",[663,983,984],{"class":747},",",[663,986,752],{"class":751},[663,988,755],{"class":747},[663,990,758],{"class":743},[663,992,761],{"class":747},[663,994,764],{"class":673},[663,996,767],{"class":747},[663,998,999],{"class":665,"line":770},[663,1000,774],{"emptyLinePlaceholder":773},[663,1002,1003,1005,1007,1009,1011,1013,1015,1017,1019,1021,1023,1025,1027,1029],{"class":665,"line":777},[663,1004,780],{"class":743},[663,1006,784],{"class":783},[663,1008,787],{"class":751},[663,1010,790],{"class":747},[663,1012,752],{"class":793},[663,1014,796],{"class":751},[663,1016,799],{"class":783},[663,1018,802],{"class":747},[663,1020,806],{"class":805},[663,1022,809],{"class":747},[663,1024,812],{"class":669},[663,1026,815],{"class":747},[663,1028,818],{"class":783},[663,1030,821],{"class":747},[663,1032,1033,1035,1038,1040,1042],{"class":665,"line":824},[663,1034,827],{"class":783},[663,1036,1037],{"class":751}," log",[663,1039,833],{"class":747},[663,1041,981],{"class":793},[663,1043,1044],{"class":842},"()\n",[663,1046,1047,1049,1051,1053,1055,1057,1059,1061,1063,1065,1067,1069,1071,1073,1075,1077,1079,1081,1083,1085,1087,1089,1091],{"class":665,"line":888},[663,1048,827],{"class":783},[663,1050,830],{"class":751},[663,1052,833],{"class":747},[663,1054,836],{"class":747},[663,1056,839],{"class":793},[663,1058,796],{"class":842},[663,1060,806],{"class":751},[663,1062,847],{"class":747},[663,1064,850],{"class":751},[663,1066,815],{"class":842},[663,1068,847],{"class":747},[663,1070,857],{"class":751},[663,1072,847],{"class":747},[663,1074,862],{"class":793},[663,1076,796],{"class":842},[663,1078,867],{"class":747},[663,1080,870],{"class":673},[663,1082,867],{"class":747},[663,1084,875],{"class":842},[663,1086,878],{"class":747},[663,1088,761],{"class":747},[663,1090,883],{"class":673},[663,1092,767],{"class":747},[663,1094,1095,1098,1100,1103,1105,1107,1110,1112,1114,1117,1119,1121,1124,1126,1128,1130,1132,1134],{"class":665,"line":931},[663,1096,1097],{"class":751},"  log",[663,1099,847],{"class":747},[663,1101,1102],{"class":793},"set",[663,1104,796],{"class":842},[663,1106,904],{"class":747},[663,1108,1109],{"class":842}," greeting",[663,1111,809],{"class":747},[663,1113,748],{"class":747},[663,1115,1116],{"class":842}," personalized",[663,1118,809],{"class":747},[663,1120,830],{"class":751},[663,1122,1123],{"class":747}," !==",[663,1125,761],{"class":747},[663,1127,883],{"class":673},[663,1129,867],{"class":747},[663,1131,755],{"class":747},[663,1133,755],{"class":747},[663,1135,928],{"class":842},[663,1137,1139,1141,1143,1145,1147,1149,1151,1153,1155,1157,1159,1161,1163,1165,1167],{"class":665,"line":1138},7,[663,1140,891],{"class":743},[663,1142,894],{"class":751},[663,1144,847],{"class":747},[663,1146,899],{"class":793},[663,1148,796],{"class":842},[663,1150,904],{"class":747},[663,1152,907],{"class":842},[663,1154,809],{"class":747},[663,1156,912],{"class":747},[663,1158,915],{"class":673},[663,1160,918],{"class":747},[663,1162,870],{"class":751},[663,1164,923],{"class":747},[663,1166,755],{"class":747},[663,1168,928],{"class":842},[663,1170,1172,1174],{"class":665,"line":1171},8,[663,1173,934],{"class":747},[663,1175,928],{"class":751},[614,1177,1178,1179,1181],{},"Run the same command again. The ",[618,1180,639],{}," requirement now passes, removing its 15-point penalty. In this isolated example the route moves from 85 to 100. In a larger application the global change depends on all scored entries and their weights.",[614,1183,1184,1185,1188],{},"A passing check establishes that the pattern exists. It does not judge whether ",[618,1186,1187],{},"greeting.personalized"," is the field your incident investigation needs. Review the event output and required business fields separately.",[623,1190,1192],{"id":1191},"know-what-a-high-score-leaves-untested","Know what a high score leaves untested",[1194,1195,1196,1200,1203,1206],"ul",{},[1197,1198,1199],"li",{},"Source patterns do not prove runtime execution, complete error-path coverage, or successful delivery to a backend.",[1197,1201,1202],{},"Sensitivity classification uses imports and route paths. Inspect the reported reasons for money, authentication, or personal-data flags.",[1197,1204,1205],{},"The current CLI can show 100 when no scorable entries are found. An empty scan is no evidence of instrumentation, so inspect the count and scope first.",[1197,1207,1208],{},"Logging through wrappers or abstractions the analyzer does not recognize can produce false positives. Look at the code before applying a suggestion.",[614,1210,1211,1212,847],{},"A high score is useful for checking agreed conventions alongside runtime tests and ",[717,1213,1214],{"href":67},"sampled production events",[623,1216,1218],{"id":1217},"add-a-ci-gate-after-reviewing-the-baseline","Add a CI gate after reviewing the baseline",[614,1220,1221],{},"Pin the CLI version and keep the analyzed package, configuration, and exclusions consistent. Rule changes can change a score without an application edit.",[614,1223,1224,1225,1227,1228,1231,1232,1234,1235,1237,1238,1241],{},"Commit a reviewed ",[618,1226,646],{}," baseline and use ",[618,1229,1230],{},"--baseline"," to detect recognized requirement or score regressions on existing entries. It does not track every context field: removing one ",[618,1233,965],{}," call may still leave another call that satisfies ",[618,1236,639],{},". New entries also need review. Add ",[618,1239,1240],{},"--min-score"," when you want a floor on the current aggregate score, understanding that an average can hide one weak route.",[614,1243,715,1244,1247,1248,1251],{},[717,1245,1246],{"href":120},"CI guide"," covers exit codes and gate configuration. Use the ",[717,1249,1250],{"href":105},"map reference"," for command options and report formats.",[1253,1254,1255],"style",{},"html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .spNyl, html code.shiki .spNyl{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}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 .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}",{"title":659,"searchDepth":770,"depth":770,"links":1257},[1258,1259,1260,1261,1262],{"id":625,"depth":770,"text":626},{"id":686,"depth":770,"text":687},{"id":726,"depth":770,"text":727},{"id":1191,"depth":770,"text":1192},{"id":1217,"depth":770,"text":1218},"Inspect supported entry points against evlog logging rules, understand the score, and fix a concrete gap before adding a CI gate.","md",[1266,1269],{"label":620,"icon":107,"to":105,"color":1267,"variant":1268},"neutral","subtle",{"label":114,"icon":117,"to":115,"color":1267,"variant":1268},{},{"title":139,"icon":142},{"title":609,"description":1263},"O8M3g7xd4jJPx-itX7FDVnhkPg5NcBejh9QQy22XKqA",[1275,1277],{"title":134,"path":135,"stem":136,"description":1276,"icon":137,"children":-1},"Teach the agents working in your repository how to use evlog: a short block of conventions in AGENTS.md, plus the published skills.",{"title":41,"path":149,"stem":150,"description":1278,"icon":151,"children":-1},"Pick a framework integration to capture requests, then pick adapters to ship events. Frameworks decide where the logger lives, adapters where events go.",1791230908004]