Virtual DOM implemention and definitions of Application and Runtime.
This repository includes
- Pure Rust virtual DOM implemention
- Definition of application inspired from HyperApp
- Definition of runtime to handle diffirence of virtual DOM
- Runtime implementions for several platforms
- For web browser by using wasm-bindgen
- Server side rendering within Rustic world (now working)
- Macros like a JSX to help writing view
Currently, we depend on nightly channel
Crate that providing JSX like macro by proc_marco and pest parser.
view! {
<button class="some-class" onclick={ |_| { Some(Action::Submit) }>
Button!
</button>
}
We can generate native Rust expression at compile-time.
Runtime implemention for web browser with usinng wasm-bindgen.
Here is full example of counter app!
#![feature(proc_macro_hygiene)]
extern crate squark;
extern crate squark_macros;
extern crate squark_web;
extern crate wasm_bindgen;
extern crate web_sys;
use squark::{App, Runtime, View};
use squark_macros::view;
use squark_web::WebRuntime;
use wasm_bindgen::prelude::*;
use web_sys::window;
#[derive(Clone, Debug, PartialEq)]
struct State {
count: isize,
}
impl State {
pub fn new() -> State {
State { count: 0 }
}
}
#[derive(Clone, Debug)]
enum Action {
ChangeCount(isize),
}
#[derive(Clone, Debug)]
struct CounterApp;
impl App for CounterApp {
type State = State;
type Action = Action;
fn reducer(&self, mut state: State, action: Action) -> State {
match action {
Action::ChangeCount(c) => {
state.count = c;
}
};
state
}
fn view(&self, state: State) -> View<Action> {
let count = state.count;
view! {
<div>
{ count.to_string() }
<button onclick={ move |_| Some(Action::ChangeCount(count.clone() + 1)) }>
increment
</button>
<button onclick={ move |_| Some(Action::ChangeCount(count - 1)) }>
decrement
</button>
</div>
}
}
}
impl Default for CounterApp {
fn default() -> CounterApp {
CounterApp
}
}
#[wasm_bindgen]
pub fn run() {
WebRuntime::<CounterApp>::new(
window()
.unwrap()
.document()
.expect("Failed to get document")
.query_selector("body")
.unwrap()
.unwrap(),
State::new(),
)
.run();
}Project dir is located at examples/counter.
There is also available TodoMVC example at examples/todomvc and working on https://rail44.github.io/squark/.
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