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use std::collections::HashMap;use url::Url;use yew::prelude::*;use yew_router::history::{AnyHistory, History, MemoryHistory};use yew_router::prelude::*;
use crate::components::header::Header;use crate::routes::{switch, Route};
#[derive(Properties, PartialEq, Default)]pub struct AppProps {  pub ssr_url: Option<String>,}
#[function_component]pub fn App(props: &AppProps) -> Html {  if let Some(url) = &props.ssr_url {    let history = AnyHistory::from(MemoryHistory::new());    let url = Url::parse(url).unwrap();    let mut queries: HashMap<String, String> = HashMap::new();    for (key, value) in url.query_pairs() {      queries.insert(key.into(), value.into());    }    history.push_with_query(url.path(), queries).unwrap();    html! {      <Router history={history}>        <Header/>        <Switch<Route> render={switch} />     </Router>    }  } else {    html! {      <BrowserRouter>        <Header/>        <Switch<Route> render={switch} />      </BrowserRouter>    }  }}