iamkun/dayjs
Grade a repo

96

/ 100

GradeA

A top-tier open source project. Docs, tests, and CI are all in excellent shape.

Top 5% of 5,156 graded repos

⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

Documentation94
Engineering96
Health100
JavaScript48,664MIT1mo ago

Outstanding. A score of 96/100 puts this repo in a very small tier of truly well-engineered projects.

Top fixes

Highest-impact changes first, ranked by point weight

7 to address
  1. 1
    Install and run instructions9pt

    Add a .env.example listing all required environment variables so contributors know what to set up.

  2. 2
    Reproducibility6pt

    Add a Dockerfile, .nvmrc, or .python-version to pin the runtime version and make the environment reproducible.

  3. 3
    Reproducibility6pt

    Add .github/dependabot.yml with at least one package-ecosystem entry so dependencies are updated automatically.

  4. 4
    Contributing guide5pt

    Add setup instructions, code style notes, and how to run tests.

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

94

Contributing guide5pt77

Contributing guide is too short for full depth credit (−6 pts). 400+ words earns the full +12 pts.

→ Add setup instructions, code style notes, and how to run tests.

Install and run instructions9pt90

README documents how to install the project.

README12pt100

README is present.

License6pt100

Licensed under MIT.

Engineering

96

Reproducibility6pt70

Lockfile present (package-lock.json). Installs are reproducible.

Tests18pt100

Test files detected (test).

CI/CD14pt100

CI is configured (.github/workflows/check.yml).

Linting and formatting5pt100

Linter or formatter configured (.editorconfig).

Issue and PR templates6pt100

Issue or PR templates present.

Project health

100

Dependency manifest6pt100

Dependency manifest found (package.json).

Repository metadata5pt100

Repository has a description.

Activity5pt100

Actively maintained (pushed within the last month).

Housekeeping3pt100

.gitignore present.

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • 1 / 12
    Commits (30d / 90d)
  • 2,451
    Forks
  • 127
    Releaseslatest 8y ago

Community

  • 71% - Fair
    Community health
  • 1 bus factorlow
    author own >50% of commits
  • 48,664
    Watchers

Responsiveness

  • 4h
    Median issue response
  • <1h
    Median PR merge time
  • 1,278
    Open issues
Repository files21 root entries
  • .github
    Good: CI is configured (.github/workflows/check.yml).
    Good: Issue or PR templates present.
  • build
  • docs
  • patches
  • src
  • test
    Good: Test files detected (test).
  • types
  • .editorconfig
    Good: Linter or formatter configured (.editorconfig).
  • .eslintrc.json
  • .gitignore
    Good: .gitignore present.
  • .npmignore
  • .releaserc
  • babel.config.js
  • CHANGELOG.md
  • CONTRIBUTING.md
    Issue: Contributing guide is too short for full depth credit (−6 pts). 400+ words earns the full +12 pts.Fix: Add setup instructions, code style notes, and how to run tests.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Good: Contributing guide describes code style expectations.
    Good: Contributing guide explains how to run tests.
    Good: Contributing guide describes the PR/review workflow.
    Issue: Contributing guide has no code examples (−5 pts).Fix: Add code blocks showing example commands for setup, running tests, and submitting a PR.
  • karma.sauce.conf.js
  • LICENSE
    Good: Licensed under MIT.
  • package-lock.json
    Good: Lockfile present (package-lock.json). Installs are reproducible.
  • package.json
    Good: Dependency manifest found (package.json).
  • prettier.config.js
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
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