Open Source & Projects

A collection of my open source contributions, personal projects, and tools that I’ve built to solve real-world problems. From React libraries to developer tools, each project represents my passion for creating useful solutions and giving back to the developer community.

Open Source

  • Active contributor to open source projects.
  • Building tools that developers love.

Impact

  • Focus on accessibility and performance.
  • Community-driven development approach.

react-in-viewport

2017 - Present
Active35046k/week

A React library to detect whether or not a component is in the viewport using the Intersection Observer API. Provides both Higher Order Component and hooks interfaces for detecting viewport visibility with excellent performance.

ReactTypeScriptIntersection Observer APIJestRollup
  • 350+ GitHub stars
  • 46k+ weekly downloads
  • Used by Tinder and other major companies

react-aspect-ratio

2017 - Present
Active10412k/week

A React component to preserve space for your element and prevent browser reflow (layout shift). Helps maintain responsive layouts and improves Core Web Vitals by preventing Cumulative Layout Shift.

ReactTypeScriptCSSJest
  • 104+ GitHub stars
  • Prevents browser reflow and layout shift
  • Improves Core Web Vitals scores

idle-tracker

2019 - Present
Maintained212k/week

A lightweight JavaScript library to track browser inactivity and user idle state. Useful for implementing auto-logout features, pausing animations during inactivity, or tracking user engagement.

JavaScriptBrowser APIsEvent Listeners
  • 21+ GitHub stars
  • Zero dependencies
  • Cross-browser compatible

react-i13n

2015 - Present
Active384

A performant, scalable and pluggable approach to instrumenting your React application. Provides a comprehensive instrumentation framework for tracking user interactions and analytics in React apps.

ReactJavaScriptAnalyticsInstrumentation
  • 384+ GitHub stars
  • Yahoo open source project
  • Core contributor and maintainer

subscribe-ui-event

2015 - Present
Maintained110

Subscribe-ui-event provides a cross-browser and performant way to subscribe to browser UI Events. Optimizes event handling performance by using throttling and debouncing techniques.

JavaScriptBrowser APIsEvent ManagementPerformance
  • 110+ GitHub stars
  • Yahoo open source project
  • Core contributor and maintainer
Profile

Roderick Hsiao

Product Engineering Consultant

San Francisco Bay Area | Internet

Product engineering consultant specializing in frontend infrastructure and design systems. Open source advocate with extensive experience in large-scale applications and team mentorship across startup and enterprise environments.

Expertise

Design SystemsProgressive Web AppsFrontend InfrastructureWeb AccessibilityInternationalizationTeam MentorshipTech Speaker