Jürg Lehni
Web Developer
Switzerland
Summary
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RockstarJürg Lehni is a seasoned web developer based in Switzerland with 22 years of experience building thoughtful, cross-disciplinary web solutions that bridge technology, tools and human needs. He contributes to both front-end and back-end open-source projects, improving media playback consistency in the widely used mediaelement project and expanding ORM capabilities in objection.js with features like upsertGraphAndFetch and enhanced validation. Comfortable moving between JavaScript, CSS, ActionScript and Node.js, he focuses on code quality, predictable behavior and pragmatic enhancements that help teams ship reliably. His work reveals an attention to small but impactful details—whitespace and validator caching included—that make large systems easier to maintain and extend.
22 years of coding experience
Github Skills (14)
html10
ajv10
javascript10
nodejs10
orm10
html5-video10
validation10
video-player10
validations10
sql9
css9
actionscript8
flash8
testing8
Programming languages (24)
Github contributions (5)
Vincit/objection.js
Oct 2017 - Mar 2022
An SQL-friendly ORM for Node.js
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 reviews, 37 commits, 215 PRs in 4 years 5 months
Contributions summary:Jürg primarily contributed to the `objection.js` library by enhancing its validation and upserting capabilities. They simplified the `parseValidationError()` function and optimized validator caching. Moreover, the user added support for AjvValidator's options, enabling the use of `this` inside custom keywords and formats. They also implemented the `upsertGraphAndFetch` method, expanding the library's functionality for data manipulation and retrieval.
nodejsormsql
mediaelement/mediaelement
Jan 2011 - Jan 2011
HTML5 <audio> or <video> player with support for MP4, WebM, and MP3 as well as HLS, Dash, YouTube, Facebook, SoundCloud and others with a common HTML5 MediaElement API, enabling a consistent UI in all browsers.
Role in this project:Front-end Developer
Front-end DeveloperContributions:5 commits in 1 day
Contributions summary:Jürg primarily focused on code cleanup and consistency within the project, addressing whitespace issues across JavaScript, CSS, and ActionScript (Flash) files. Their commits demonstrate modifications to the `me-shim.js` file, likely involving enhancements to the media player's HTML5 and plugin playback handling. Further contributions involved optimizing CSS and ActionScript code, focusing on visual elements and full-screen behavior.
audiomediaelementmp3mp4soundcloud
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