为什么值得关注

它为新一代计算格式（如 UMC 和 LDP）提供统一运行时，并通过源代码映射和可访问性树实现跨格式调试和搜索。

适合谁使用

构建文档或文件查看器的开发者
WebAssembly 插件开发者
研究新型文件格式或编解码器的工程师和研究人员
需要灵活运行时以获取和渲染多种内容的开发者

典型使用场景

无需手动解压即可查看存档（如 zip）中的内容
构建支持多种格式的自定义文档查看器（通过插件）
在同一运行时中跨不同文件类型进行调试和搜索
测试和原型设计新型压缩或多媒体格式（UMC、LDP）

项目优势

协议、压缩、归档、转换和视图均可通过热插拔 Wasm 插件架构实现
开箱即用支持常见网络方案、压缩算法和文件格式
计划通过源代码映射和可访问性树实现跨格式调试服务器和多模态搜索
作为创新格式（如超高效编解码器 UMC 和 PDF 替代品 LDP）的官方运行时

使用前须知

仍处于早期阶段，路线图上的功能（跨格式调试/搜索）尚未实现
内置格式支持有限（zip、markdown、图片格式），其他格式依赖社区插件
依赖于 WebAssembly 插件生态，不同格式的集成工作量和难度可能不同

README 快速开始

Omnishell 🌐

The programmable, format-agnostic browser runtime powered by WebAssembly.

Stop rebuilding document viewers from scratch. Omnishell treats network protocols, compression algorithms, archive structures, and file formats as simple, hot-swappable Wasm plugins.

🚀 Out-of-the-Box Launch Capabilities

Omnishell includes a robust baseline layer, allowing developers to immediately build on top of standard web protocols:

Network Schemes: file:// (builtin) | http:// | https://
Compression: zstd | gzip | deflate | raw-deflate
Archives: zip
Transforms: markdown ➔ html
Views: html | svg | png | jpg | wasm (builtin)

🗺️ Roadmap

Planned features include cross format debugging and search capabilities by using the accessibility tree exported by view plugins and source maps exported by transform plugins, Omnishell delivers a built-in debug server and multimodal search natively across any file type.

🧪 The Innovation Sandbox

Omnishell was built to host next-generation computing formats. It serves as the official runtime and testing environment for:

UMC (Universal Multimedia Codec): An ultra-efficient image/audio/video compression format reaching 0.1bpp @30+dB PSNR on video with symmetric 500MPs encoding/decoding throughput.
LDP (Lean Document Package): A modern, document format engineered to replace PDF in the 21st century.

🛠️ Contribute Your Format

Want to bring Typst, Iroh, BitTorrent, Pdf, Brotli, or DjVu to Omnishell? Or integrate a js engine like Boa? Check out components/content/svg to see how to compile your first plugin to Wasm in minutes.

Technical overview

All plugins either take or return a Content type:

struct Content {
  url: String,
  info: MimeInfo,
  length: u64,
  content: ContentReader,
}

struct MimeInfo {
  /// corresponds to the http `content-type` header
  mime: String,
  /// corresponds to the http `content-encoding` header
  encoding: Option,
}

There are several types of plugin:

network plugin: handles a url scheme, takes an url and returns a content record. examples: http
archive plugin: handles a mime type, takes a content record and a path and returns a new content record. examples: zip
compression plugin: handles content-encoding, takes a content record with a content

项目描述