Change context api to panic with nice error message

packages/hooks/src/use_context.rs

@@ -1,20 +1,31 @@
-use dioxus_core::ScopeState;
+use dioxus_core::{
+    prelude::{consume_context, provide_context, try_consume_context},
+    use_hook,
+};
 
 /// Consume some context in the tree, providing a sharable handle to the value
 ///
 /// Does not regenerate the value if the value is changed at the parent.
 #[must_use]
-pub fn use_context<T: 'static + Clone>() -> Option<&T> {
-    cx.use_hook(|| cx.consume_context::<T>()).as_ref()
+pub fn try_use_context<T: 'static + Clone>() -> Option<T> {
+    use_hook(|| try_consume_context::<T>())
+}
+
+/// Consume some context in the tree, providing a sharable handle to the value
+///
+/// Does not regenerate the value if the value is changed at the parent.
+#[must_use]
+pub fn use_context<T: 'static + Clone>() -> T {
+    use_hook(|| consume_context::<T>())
 }
 
 /// Provide some context via the tree and return a reference to it
 ///
 /// Once the context has been provided, it is immutable. Mutations should be done via interior mutability.
-pub fn use_context_provider<T: 'static + Clone>(f: impl FnOnce() -> T) -> &T {
-    cx.use_hook(|| {
+pub fn use_context_provider<T: 'static + Clone>(f: impl FnOnce() -> T) -> T {
+    use_hook(|| {
         let val = f();
-        cx.provide_context(val.clone());
+        provide_context(val.clone());
         val
     })
 }