Changelog

All notable changes to HTML Layout Parser will be documented in this file.

[0.0.1] - 2026-01-17

Added

• Complete VitePress documentation with bilingual support (English/Chinese)
• Comprehensive API reference documentation
• Multiple example categories: Web, Worker, Node.js, Batch, Memory Management
• Performance benchmarks and optimization guides
• Error code reference with solutions

Changed

• Updated documentation structure for better navigation
• Improved getting started guide with step-by-step instructions

Performance

• Parse speed: 9,442 - 129,121 chars/sec
• Memory usage: Per font ≈ font file size
• WASM size: 2.25MB
• Startup time: ~7ms (warm), ~17ms (cold)
• Cache hit rate: 91.2%

[0.0.1] - 2026-01-15

Added

• Initial release of HTML Layout Parser v2
• WebAssembly-powered HTML/CSS parsing engine
• Multi-font management with automatic fallback
• Four output modes: flat, byRow, simple, full
• CSS separation support
• Cross-environment support: Web, Worker, Node.js
• Complete TypeScript type definitions
• Memory management with monitoring
• Debug mode for development
• Comprehensive error handling

Features

• Character-level layout extraction for Canvas rendering
• Rich text attributes: decorations, transforms, opacity
• Font metrics caching for performance
• Strict memory management with automatic cleanup

Technical

• Built on litehtml C++ library
• FreeType for font rendering
• Emscripten for WebAssembly compilation