Show HN: FastUbu – An Ultrafast Video Archive

Category: library

Tags: text-measurement, layout, typescript

Score: 8.3/10 (Innovation: 7, Technical: 9, Documentation: 9, Utility: 8)

Pretext is a TypeScript library that implements its own text measurement and layout logic, bypassing expensive DOM reflow operations. It supports multiple languages, rendering targets (DOM, Canvas, SVG), and offers both high-level and low-level APIs for precise control, making it highly innovative for performance-critical web UIs and AI-driven development workflows.

Target audience: frontend devs, UI engineers, library authors

Repository: https://fastubu.com/ · TypeScript · MIT · 48666 stars

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