Third-Party Libraries

This document lists all third-party libraries and dependencies used in this project.

Related: See Site Architecture for diagrams showing how the build process works, and Taxonomy Map for content organization.

NPM Dependencies

Core Framework & Build Tools

@11ty/eleventy ^3.0.0

• Type: Dev Dependency
• Purpose: Static site generator (SSG) - the core framework
• Usage: Build system and templating engine
• License: MIT

@11ty/eleventy-img ^6.0.4

• Type: Dev Dependency
• Purpose: Image optimization and processing plugin for Eleventy
• Usage: Image resizing, format conversion, and optimization
• License: MIT

@11ty/eleventy-navigation ^0.3.5

• Type: Dev Dependency
• Purpose: Hierarchical navigation plugin for Eleventy
• Usage: Generates navigation structure from front matter
• License: MIT

@11ty/eleventy-plugin-rss ^2.0.4

• Type: Dependency
• Purpose: RSS feed generation plugin
• Usage: Generates RSS/Atom feeds from collections
• License: MIT

@11ty/eleventy-upgrade-help ^1.0.1

• Type: Dependency
• Purpose: Upgrade helper for Eleventy migrations
• Usage: Development tool for version upgrades
• License: MIT

Template & Content Processing

liquidjs ^10.7.1

• Type: Dependency
• Purpose: Liquid templating engine
• Usage: Template rendering (used by Eleventy)
• License: MIT

markdown-it ^13.0.1

• Type: Dependency
• Purpose: Markdown parser
• Usage: Converts Markdown to HTML
• License: MIT

Image Processing

sharp ^0.32.1

• Type: Dependency
• Purpose: High-performance image processing library
• Usage: Image manipulation and optimization (used by eleventy-img)
• License: Apache-2.0

exiftool-vendored ^31.1.0

• Type: Dependency
• Purpose: EXIF metadata extraction from images
• Usage: Reading and writing image metadata
• License: Image-ExifTool (Artistic License 1.0)

Utilities

luxon ^3.4.4

• Type: Dependency
• Purpose: Modern date and time library
• Usage: Date formatting and manipulation
• License: MIT

debug ^4.3.2

• Type: Dependency
• Purpose: Debug logging utility
• Usage: Conditional debug logging
• License: MIT

fast-glob ^3.3.3

• Type: Dependency
• Purpose: Fast file system glob matching
• Usage: File pattern matching
• License: MIT

fs-extra ^11.3.2

• Type: Dependency
• Purpose: Extended file system utilities
• Usage: Enhanced file operations
• License: MIT

punycode ^2.3.1

• Type: Dependency
• Purpose: Unicode domain name encoding
• Usage: URL encoding/decoding
• License: MIT

Frontend Libraries

photoswipe ^5.4.4

• Type: Dependency (local copy in /photoswipe/)
• Purpose: JavaScript image gallery and lightbox
• Usage: Image gallery on /art/ and homepage
• Location: Loaded from local /photoswipe/dist/ directory
• License: MIT
• Note: This is a local copy of the library, not loaded via CDN

Build Tools

html-minifier-terser ^7.2.0

• Type: Dev Dependency
• Purpose: HTML minification
• Usage: Minifies HTML output during build
• License: MIT

CDN-Loaded Libraries

These libraries are loaded via CDN and are not installed via npm.

Animation

Lottie (bodymovin) 5.12.2

• CDN: cdnjs.cloudflare.com
• URL: https://cdnjs.cloudflare.com/ajax/libs/bodymovin/5.12.2/lottie.min.js
• Purpose: Animation library for After Effects animations
• Usage: Used on /one-week-logo/ page
• License: MIT
• Loaded Conditionally: Only on /one-week-logo/ page

Data Visualization

Chart.js 4.4.0

• CDN: cdn.jsdelivr.net
• URL: https://cdn.jsdelivr.net/npm/chart.js@4.4.0/dist/chart.umd.min.js
• Purpose: Chart and graph library
• Usage: Trip report charts on /blog/tag/trip-report/ page
• License: MIT
• Loaded Conditionally: Only on /blog/tag/trip-report/ page

chartjs-adapter-date-fns 3.0.0

• CDN: cdn.jsdelivr.net
• URL: https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns@3.0.0/dist/chartjs-adapter-date-fns.bundle.min.js
• Purpose: Date adapter for Chart.js using date-fns
• Usage: Enables date/time axis support in Chart.js
• License: MIT
• Loaded Conditionally: Only on /blog/tag/trip-report/ page (with Chart.js)

Library Usage Summary

By Page/Feature

By Installation Method

• NPM Packages: 18 dependencies + 4 dev dependencies
• CDN Libraries: 3 libraries (loaded conditionally)
• Local Copy: PhotoSwipe (installed via npm but served locally)

Notes

• Conditional Loading: CDN libraries are loaded conditionally based on page URL to optimize performance
• PhotoSwipe: While installed via npm, PhotoSwipe is served from a local /photoswipe/ directory rather than from node_modules
• No Font CDNs: All fonts are self-hosted in /fonts/ directory (Google Fonts links are commented out)
• Archive.org Scripts: The bark-moon.html page includes Archive.org scripts, but these are part of an archived page snapshot, not active dependencies

License Summary

All listed libraries use permissive licenses (primarily MIT, with one Apache-2.0 and one Artistic License 1.0), making them suitable for use in open-source and commercial projects.