LogTapeUnobtrusive logging
for modern JavaScript

Zero dependencies. Universal runtime. Optimized performance.

The only truly unobtrusive logger

Add logging to your libraries without bothering your users. No configuration? No logs. It's that simple and respectful.

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Zero performance impact

Log as much as you want during development, then deploy with confidence. When logging is off, there's virtually no overhead at all.

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Universal runtime support

Write once, run everywhere. Works great in Node.js, Deno, Bun, web browsers, and edge functions. No polyfills, no surprises.

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Zero maintenance burden

Install once and forget about it. No dependencies to babysit, no security alerts to stress about. Just 5.3KB of pure simplicity.

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Smart context management

Track requests and user sessions effortlessly. Bind data to specific loggers or let it flow automatically through your call stack.

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Easy to extend

Need custom logging behavior? Just write a simple function. No complicated inheritance or confusing APIs to wrestle with.

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Plays well with others

Works with OpenTelemetry, Sentry, CloudWatch Logs, syslog, and friends. Plus adapters for winston and pino if you're migrating.

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Organize with nested categories

Each library gets its own namespace like ["my-lib", "feature"]. Perfect isolation with automatic inheritance. No more log conflicts between dependencies.

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Modern JavaScript, done right

TypeScript types included, no extra packages needed. Supports both ESM and CommonJS. Works beautifully with async/await and all the modern patterns you love.

LogTapeUnobtrusive loggingfor modern JavaScript