chore(core): improve state API panic error message, closes tauri-ap…

…ps#2303
hixio-mh · Aug 9, 2021 · e853946 · e853946
1 parent 1ecb865
commit e853946
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diff --git a/.changes/state-get-panic-message.md b/.changes/state-get-panic-message.md
@@ -0,0 +1,5 @@
+---
+"tauri": patch
+---
+
+Improve panic message for accessing the `state` API before calling `manage`.
diff --git a/core/tauri/src/lib.rs b/core/tauri/src/lib.rs
@@ -313,7 +313,11 @@ pub trait Manager<R: Runtime>: sealed::ManagerBase<R> {
   where
     T: Send + Sync + 'static,
   {
-    self.manager().inner.state.get()
+    self.manager().inner.state.try_get().unwrap_or_else(|| {
+      panic!(
+        "Failed to access managed state. You must call the `manage` API before reading a State."
+      )
+    })
   }
 
   /// Tries to get the managed state for the type `T`. Returns `None` if the type is not managed.