Implements structured logging with LogTape across JavaScript and TypeScript runtimes.
npx skills add https://github.com/dahlia/logtape --skill logtape
Please help me install this Agent Skill. Skill: logtape Source: https://github.com/dahlia/logtape/tree/main/packages/logtape/skills/logtape Command: npx skills add https://github.com/dahlia/logtape --skill logtape
Adding logging to JavaScript and TypeScript projects often leads to unstructured console output, misconfigured loggers, and libraries that hijack application logging configuration. This Skill guides correct usage of LogTape, a zero-dependency logging library, so logs are structured, filterable, and safe across Deno, Node.js, Bun, browsers, and edge functions.
configure() or configureSync(), including framework-specific patterns for React, Vue, Next.js, and SvelteKit.getLogger() and never configures sinks, keeping control with the application.logger.with(), redact sensitive fields, and route errors to a filtered sink.Ask the assistant to add LogTape logging to your project with a console sink, hierarchical categories, and structured messages.
High-intent search queries and answers about installing and using this skill.
Call await configure() exactly once at startup with sinks and loggers defined, for example a console sink and a category with a lowestLevel. Use configureSync() when you cannot await, but never mix async and sync configure and reset pairs.
Use named placeholders with a properties object, such as logger.info("User {userId} logged in", { userId }). Template literals and string concatenation work for quick debugging but do not produce structured, searchable data.
Yes, and they must. Library code should only call getLogger() and emit log messages; the consuming application decides whether and how to configure sinks and levels. Calling configure() in library code is an anti-pattern.
Yes, adaptor packages route LogTape output through existing loggers. Install @logtape/adaptor-winston, @logtape/adaptor-pino, or @logtape/adaptor-log4js and call install() with your existing logger instance instead of calling configure().
Use the @logtape/redaction package. Wrap a formatter with redactByPattern() to catch emails, JWTs, or credit card numbers in output text, or wrap a sink with redactByField() to strip sensitive properties by field name.
LogTape allows only one configuration per process and throws ConfigError on a second call. Call await reset() (or resetSync() for sync configuration) in test teardown so each test can configure independently.
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