Learn SEED-RUST with Real Code Examples
Updated Nov 25, 2025
Architecture
Model stores app state
Messages trigger updates to state via update function
View function maps state to virtual DOM elements
Components encapsulate state and messages
Compiled to WebAssembly and runs in browser environment
Rendering Model
HTML! macro defines virtual DOM nodes
View function maps Model to virtual DOM
Trunk builds Rust code to Wasm
Wasm runs in browser and updates DOM
Messages trigger update function to mutate Model
Architectural Patterns
MVU (Model-View-Update) pattern
Component-based UI
Reactive message handling
Async task integration
Virtual DOM for efficient rendering
Real World Architectures
SPA dashboards and admin panels
Interactive web games
Real-time data visualization apps
Front-end for Rust-powered backends
Browser-based blockchain or cryptography tools
Design Principles
Type-safe Rust for front-end development
Message-driven state management
Virtual DOM for efficient rendering
Component-based modular architecture
Wasm compilation for high performance
Scalability Guide
Wasm scales with browser capabilities
Use components to isolate state and logic
Batch updates in update function
Optimize Rust crate usage for binary size
Leverage server-side APIs for heavy computation
Migration Guide
Port JS/TS SPA logic to Rust Model+Msg pattern
Rewrite UI in HTML! macro
Replace async calls with Seed async tasks
Test interactions and state updates
Deploy via Trunk build to browser