From bbc3e3a68e455831de28e5f3ba696c6e7de9186f Mon Sep 17 00:00:00 2001
From: Pauan <pauanyu+github@pm.me>
Date: Fri, 28 May 2021 00:17:42 +0200
Subject: [PATCH] Adding in nightly feature and new events::Event type

---
 Cargo.toml    |  1 +
 src/dom.rs    |  2 ++
 src/events.rs | 33 +++++++++++++++++++++++++++++++++
 src/lib.rs    |  3 +++
 4 files changed, 39 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index fdf3836..995de10 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,7 @@ edition = "2018"
 [features]
 # TODO should this enable interning ?
 default = ["wasm-bindgen/enable-interning"]
+nightly = []
 
 [dependencies]
 lazy_static = "1.3.0"
diff --git a/src/dom.rs b/src/dom.rs
index ecab7a2..044d268 100644
--- a/src/dom.rs
+++ b/src/dom.rs
@@ -265,11 +265,13 @@ impl Dom {
 
 #[inline]
 fn create_element<A>(name: &str) -> A where A: JsCast {
+    // TODO use unchecked_into in release mode ?
     bindings::create_element(intern(name)).dyn_into().unwrap_throw()
 }
 
 #[inline]
 fn create_element_ns<A>(name: &str, namespace: &str) -> A where A: JsCast {
+    // TODO use unchecked_into in release mode ?
     bindings::create_element_ns(intern(namespace), intern(name)).dyn_into().unwrap_throw()
 }
 
diff --git a/src/events.rs b/src/events.rs
index ce32236..6db304e 100644
--- a/src/events.rs
+++ b/src/events.rs
@@ -3,6 +3,39 @@ use wasm_bindgen::JsCast;
 use web_sys::{EventTarget, HtmlInputElement, HtmlTextAreaElement};
 
 
+#[cfg(feature = "nightly")]
+pub struct Event<const NAME: &'static str, T> {
+    event: T,
+}
+
+#[cfg(feature = "nightly")]
+impl<T, const NAME: &'static str> StaticEvent for Event<NAME, T> where T: JsCast {
+    const EVENT_TYPE: &'static str = NAME;
+
+    #[inline]
+    fn unchecked_from_event(event: web_sys::Event) -> Self {
+        Self {
+            // TODO use unchecked_into in release mode ?
+            event: event.dyn_into().unwrap(),
+        }
+    }
+}
+
+// TODO code duplication
+// TODO implement the rest of the methods
+#[cfg(feature = "nightly")]
+impl<T, const NAME: &'static str> Event<NAME, T> where T: AsRef<web_sys::Event> {
+    #[inline] pub fn prevent_default(&self) { self.event.as_ref().prevent_default(); }
+
+    #[inline] pub fn target(&self) -> Option<EventTarget> { self.event.as_ref().target() }
+
+    #[inline]
+    pub fn dyn_target<A>(&self) -> Option<A> where A: JsCast {
+        self.target()?.dyn_into().ok()
+    }
+}
+
+
 macro_rules! make_event {
     ($name:ident, $type:literal => $event:path) => {
         #[derive(Debug)]
diff --git a/src/lib.rs b/src/lib.rs
index 99b024a..16fa737 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,9 @@
 #![warn(unreachable_pub)]
 #![deny(warnings)]
 
+#![cfg_attr(feature = "nightly", allow(incomplete_features))]
+#![cfg_attr(feature = "nightly", feature(const_generics))]
+
 
 #[macro_use]
 mod macros;