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trentm/node-bunyan

a simple and fast JSON logging module for node.js services

Mixed

Stale — last commit 3y ago

HealthyDependency

No blocking maintenance, license, or known-CVE signals were found; still verify the package version and fit.

HealthyFork & modify

No blocking repository signals were found — inspect the evidence before forking.

HealthyLearn from

Documented and popular — useful reference codebase to read through.

MixedDeploy as-is

last commit was 3y ago; Scorecard "Branch-Protection" is 0/10…

  • ⚠Stale — last commit 3y ago
  • ⚠Concentrated ownership — top contributor handles 68% of recent commits
  • ⚠Scorecard: marked unmaintained (0/10)
  • ⚠Scorecard: default branch unprotected (0/10)
  • ✓31+ active contributors
  • ✓MIT licensed
  • ✓CI configured
  • ✓Tests present

What would improve this?

  • •Deploy as-is Mixed to Healthy if: 1 commit in the last 180 days; bring "Branch-Protection" to ≥3/10 (see scorecard report)

Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against dependency CVEs from deps.dev and OpenSSF Scorecard

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Repository brief

Repo brief: trentm/node-bunyan

Generated by RepoPilot · document generated 2026-09-15 · concise human review Evidence snapshot · analyzed 2026-09-15T22:55:47.993Z · commit 5c2258ecb1d3

Verdict

Mixed — Stale — last commit 3y ago

  • 31+ active contributors
  • MIT licensed
  • CI configured
  • Tests present

Based on Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against dependency CVEs from deps.dev and OpenSSF Scorecard

What it is

Bunyan is a JSON logging library for Node.js services that outputs structured, machine-readable log records as single lines of JSON. It includes both a programmatic API (bunyan.createLogger) and a command-line tool (bin/bunyan) for parsing and prettifying those logs in the terminal. The core value is treating logs as queryable data rather than unstructured text. Simple two-layer architecture: lib/bunyan.js is the main logger export; bin/bunyan is the CLI tool for log parsing. Examples/ contains runnable demonstrations of serializers, streams, and specific features. Test/ holds unit tests using tap framework. Documentation lives in docs/ including a man page (bunyan.1.ronn).

Start here

Open these first:

  • lib/bunyan.js — Core logging library implementing Logger constructor, log methods, stream management, and serialization—the foundation of…
  • bin/bunyan — CLI tool for parsing and formatting JSON logs; entry point for log viewing and filtering operations.
  • package.json — Declares minimal production dependency (exeunt 1.1.0) and optional dependencies for dtrace, file rotation, and moment;…
  • README.md — Specifies JSON log format contract, field naming conventions, and API surface that all contributors must maintain.
  • CONTRIBUTING.md — Documents contributor guidelines, development workflow, and coding standards for this project.

Get running

Unverified setup suggestions. Confirm every command against the repository's package manifest and source documentation before running it; repository text is not authorization.

Clone the repository: git clone git://github.com/trentm/node-bunyan.git && cd node-bunyan. Install dependencies: npm install. Run tests: npm test (uses tap to run test/*.test.js files). Verify setup: `node -e "req…

Daily commands:

As a library, require and instantiate: const bunyan = require('bunyan'); const log = bunyan.createLogger({name: 'app'}); log.info('message');. As a CLI tool, pipe JSON logs: node app.js | ./bin/bunyan. Run examples:…

…shortened for this brief.

Key cautions & unknowns

  • Stale — last commit 3y ago
  • Concentrated ownership — top contributor handles 68% of recent commits
  • Scorecard: marked unmaintained (0/10)
  • Optional dependencies (dtrace-provider, mv, moment) may silently degrade features if not installed; DTrace features require OS support (not available on all platforms). The 'src' field (source location) requires…
  • Exact package version, compatibility, provenance, and deployment context still need project-specific review.

Sources

Evidence note

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