FlareLog SDKZero-dependency observability

Ship logs, errors, and traces from Cloudflare Workers, Vercel, Node.js, or the browser to FlareLog.

Zero Dependencies

No external dependencies. Lightweight and fast for any JavaScript runtime.

Complete logging, error handling, and configuration API reference.

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Full OTel spans, workerFetch wrapper, Durable Objects, Queues, and Cron support.

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Serverless Functions, Edge Functions, and Middleware with auto environment detection.

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Drop-in wrappers for Pages Router, App Router, and Edge Middleware.

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Error boundaries, hooks, and auto-capture for React, Vue, and vanilla JS.

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Breadcrumbs, PII scrubbing, child loggers, sampling, and beforeSend hooks.

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W3C trace propagation, distributed tracing, and multi-backend fan-out.

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