Seed app

lib.rs

use seed::{prelude::*, *};

pub struct Model {
    url: Url,
}

pub enum Msg {
    UrlChanged(Url),
}

fn update(msg: Msg, model: &mut Model, _: &mut impl Orders<Msg>) {
    match msg {
        Msg::UrlChanged(url) => {
            log!("update", url.to_string());

            model.url = url;
        }
    }
}

fn view(model: &Model) -> Node<Msg> {
    div![
        p![
            a!["Root", attrs! { At::Href => "/" }],
            " | ",
            a!["Page one", attrs! { At::Href => "/page_one" }],
            " | ",
            a!["Page two", attrs! { At::Href => "/page_two" }],
            " | ",
            a!["Page three", attrs! { At::Href => "/page_three" }],
        ],
        p!["URL in model: ", code![model.url.to_string()]],
    ]
}

fn after_mount(url: Url, _: &mut impl Orders<Msg>) -> AfterMount<Model> {
    log!("after mount", url.to_string());

    AfterMount::new(Model {
        url: url.to_base_url(),
    })
}

fn routes(url: Url) -> Option<Msg> {
    log!("routes", url.to_string());

    Some(Msg::UrlChanged(url))
}

#[wasm_bindgen(start)]
pub fn start() {
    App::builder(update, view)
        .after_mount(after_mount)
        .routes(routes)
        .build_and_start();
}