src/view.rs


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use crate::pdfgen;
use wasm_bindgen::prelude::*;
use js_sys;
use yew::prelude::*;

struct Form {
}

impl Component for Form {
    type Message = ();
    type Properties = ();

    fn create(_props: Self::Properties, _link: ComponentLink<Self>) -> Self {
        Self { }
    }

    fn update(&mut self, _msg: Self::Message) -> ShouldRender {
        false
    }

    fn change(&mut self, _props: Self::Properties) -> ShouldRender {
        false
    }

    fn view(&self) -> Html {
        let raw = pdfgen::genpdf();
        let data = base64::encode(&raw);
        let uri_component: String = js_sys::encode_uri_component(&data).into();
        let href = format!{"data:application/pdf;base64,{}", uri_component };
        html!{
            <a href=href download="demo.pdf" >
                { "Download PDF" }
            </a>
        }
    }
}

#[wasm_bindgen(start)]
pub fn run_app() {
    App::<Form>::new().mount_to_body();
}