EXCEEDS logo
Exceeds
David Li

PROFILE

David Li

Worked on enhancing WebXR depth sensing capabilities across two major repositories, focusing on both robustness and feature expansion. In mrdoob/three.js, addressed a critical issue by ensuring WebXRDepthSensing objects are only created when GPU optimization is enabled and a WebGL binding is present, improving stability and resource efficiency for AR applications. Later, contributed to grafana/k6-DefinitelyTyped by updating TypeScript typings to match the latest WebXR draft, introducing new depth sensing options and pause/resume controls for greater flexibility. Demonstrated expertise in JavaScript, TypeScript, and WebXR, with a focus on API development, augmented reality, and front-end reliability.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
1
Lines of code
52
Activity Months2

Work History

August 2025

1 Commits • 1 Features

Aug 1, 2025

In August 2025, delivered WebXR Depth Sensing Enhancements in grafana/k6-DefinitelyTyped, aligning the WebXR typings with the May 21, 2025 draft. The update introduces new depth sensing options (depth type requests and matching depth views) and new methods to pause and resume depth sensing, improving control and flexibility for AR workflows. The change was merged from PR #73487 by @dli7319 (commit 70fdc51ba87b2c0f86c4261ca2f9fa7f74f5bb1f). No major bugs reported for this repo this month. Impact: provides richer AR depth features, improves API accuracy, and reduces integration risk for downstream apps. Technologies/skills demonstrated include TypeScript typings alignment with the WebXR spec, API design considerations for depth sensing, PR-driven collaboration, and precise commit traceability.

January 2025

1 Commits

Jan 1, 2025

January 2025: Focused on stability and robustness of WebXR features in three.js. Delivered a critical bug fix to ensure WebXR depth sensing is only created when GPU optimization is enabled and a WebGL binding is present, reducing unnecessary resource usage and preventing failures when CPU-optimized depth is selected.

Activity

Loading activity data...

Quality Metrics

Correctness90.0%
Maintainability90.0%
Architecture90.0%
Performance90.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaScriptTypeScript

Technical Skills

API DevelopmentAugmented RealityFront-end DevelopmentTypeScriptWebGLWebXR

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

mrdoob/three.js

Jan 2025 Jan 2025
1 Month active

Languages Used

JavaScript

Technical Skills

Front-end DevelopmentWebGLWebXR

grafana/k6-DefinitelyTyped

Aug 2025 Aug 2025
1 Month active

Languages Used

TypeScript

Technical Skills

API DevelopmentAugmented RealityTypeScriptWebXR