Leptos Conditional Rendering - Leptos-rust Typing CST Test
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Leptos Conditional Rendering — Leptos-rust Code
Displays different messages based on a signal.
# leptos/demo/conditional.rs
use leptos::*;
#[component]
fn App() -> impl IntoView {
let logged_in = create_signal(false);
view! {
div {
(if logged_in.get() { view! { h1 {"Welcome back!"} } } else { view! { h1 {"Please log in"} } }),
button(on:click=move |_| logged_in.update(|v| *v = !*v)) {"Toggle"}
}
}
}
fn main() {
mount_to_body(App);
}Leptos-rust Language Guide
Leptos is a modern Rust framework for building full-stack web applications with reactive, fine-grained reactivity, enabling developers to write front-end and back-end code in Rust that compiles to WebAssembly for the browser.
Primary Use Cases
- ▸Building single-page applications (SPA) with Rust
- ▸Developing full-stack Rust web apps with SSR
- ▸Creating interactive dashboards and admin panels
- ▸High-performance front-end applications without JavaScript
- ▸Porting Rust logic to browser via WebAssembly
Notable Features
- ▸Reactive, fine-grained component system
- ▸Server-side rendering support
- ▸Seamless WebAssembly integration for client-side code
- ▸Declarative UI and state management
- ▸Integration with Rust ecosystem and async/await
Origin & Creator
Leptos is developed by Dave Yoon and the Leptos open-source community, focusing on Rust-first full-stack web development and WebAssembly applications.
Industrial Note
Leptos is ideal for developers who want to write highly performant, type-safe web apps entirely in Rust, with seamless integration between front-end WebAssembly and back-end Rust servers.