yewstack/yew 0.9.0

v0.9.0

on GitHub

Feature Overload

This release introduces a slew of new features, many of which come from first-time contributors! There's too many to mention so read more below 😄 Also, a long-standing bug was fixed by @hgzimmerman which was causing Component's to not be destroyed properly.

• ⚡️ Features

  • New KeyboardService for setting up key listeners on browsers which support the feature. [@hgzimmerman, #647]

  • ComponentLink can now create a Callback with more than one Message. The Message's will be batched together so that the Component will not be re-rendered more than necessary. [@stkevintan, #660]

  • Message's to Public Agent's will now be queued if the Agent hasn't finished setting up yet. [@serzhiio, #596]

  • Agent's can now be connected to without a Callback. Instead of creating a bridge to the agent, create a dispatcher like so: MyAgent::dispatcher(). [@hgzimmerman, #639]

  • Component's can now accept children in the html! macro. [@jstarry, #589]

    // app.rs
    
    html! {
      <MyList name="Grocery List">
        <MyListItem text="Apples" />
      </MyList>
    }

    // my_list.rs
    
    use yew::prelude::*;
    
    pub struct MyList(Props);
    
    #[derive(Properties)]
    pub struct Props {
        #[props(required)]
        pub name: String,
        pub children: Children<MyListItem>,
    }
    
    impl Renderable<MyList> for MyList {
      fn view(&self) -> Html<Self> {
        html! {{
          self.props.children.iter().collect::<Html<Self>>()
        }}
      }
    }

  • Iterators can now be rendered in the html! macro without using the for keyword. [@hgzimmerman, #622]

    Before:

    html! {{
      for self.props.items.iter().map(renderItem)
    }}

    After:

    html! {{
      self.props.items.iter().map(renderItem).collect::<Html<Self>>()
    }}

  • Closures are now able to be transformed into optional Callback properties. [@Wodann, #612]

  • Improved CSS class ergonomics with new Classes type. [@DenisKolodin, #585], [@hgzimmerman, #626]

  • Touch events are now supported <div ontouchstart=|_| Msg::TouchStart> [@boydjohnson, #584], [@jstarry, #656]

  • The Component trait now has an mounted method which can be implemented to react to when your components have been mounted to the DOM. [@hgzimmerman, #583]

  • Additional Fetch options mode, cache, and redirect are now supported [@davidkna, #579]

  • The derive props macro now supports Properties with lifetimes [@jstarry, #580]

  • New ResizeService for registering for window size updates [@hgzimmerman, #577]

• 🛠 Fixes

  • Fixed JS typo in RenderService. This was causing animation frames to not be dropped correctly. [@jstarry, #658]
  • Fixed VNode orphaning bug when destroying VTag elements. This caused some Components to not be properly destroyed when they should have been. [@hgzimmerman, #651]
  • Fix mishandling of Properties where clause in derive_props macro [@astraw, #640]

• 🚨 Breaking changes

  None