{"record":{"id":"f337269af06ea3a5","repo":"FyroxEngine/Fyrox","slug":"unable-to-get-style-property-because-the-resource","errorCode":null,"errorMessage":"Unable to get style property, because the resource is invalid!","messagePattern":"Unable to get style property, because the resource is invalid!","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"fyrox-ui/src/style/resource.rs","lineNumber":180,"sourceCode":"impl StyleResourceExt for StyleResource {\n    fn set(&self, name: impl Into<ImmutableString>, property: impl Into<StyleProperty>) {\n        let mut state = self.state();\n        if let Some(data) = state.data() {\n            data.set(name, property);\n        } else {\n            Log::err(\"Unable to set style property, because the resource is invalid!\")\n        }\n    }\n\n    fn get<P>(&self, name: impl Into<ImmutableString>) -> Option<P>\n    where\n        StyleProperty: IntoPrimitive<P>,\n    {\n        let state = self.state();\n        if let Some(data) = state.data_ref() {\n            data.get(name)\n        } else {\n            Log::err(\"Unable to get style property, because the resource is invalid!\");\n            None\n        }\n    }\n\n    fn get_or<P>(&self, name: impl Into<ImmutableString>, default: P) -> P\n    where\n        StyleProperty: IntoPrimitive<P>,\n    {\n        let state = self.state();\n        if let Some(data) = state.data_ref() {\n            data.get_or(name, default)\n        } else {\n            Log::err(\"Unable to get style property, because the resource is invalid!\");\n            default\n        }\n    }\n\n    fn get_or_default<P>(&self, name: impl Into<ImmutableString>) -> P","sourceCodeStart":162,"sourceCodeEnd":198,"githubUrl":"https://github.com/FyroxEngine/Fyrox/blob/76c91aad8eca488ce527b1af707be8b3b24ad72d/fyrox-ui/src/style/resource.rs#L162-L198","documentation":"In StyleResourceExt::get (fyrox-ui/src/style/resource.rs:180), this fires when the StyleResource's underlying resource state cannot be entered to borrow its data (state.data_ref() returns None), which happens when the style resource has been freed, unloaded, or otherwise marked invalid — e.g. the resource file was deleted/failed to load or the handle's resource was destroyed. It is a silent guard: the method logs the error and returns None, so callers that pattern-match the Some(P) value (such as update) simply observe a missing style property rather than a panic. The input at fault is not the property name but the invalid resource itself; the generic sentinel pattern mirrors the sibling set() guard, so a None here can mean either 'property absent' or 'resource invalid' and callers cannot distinguish the two without checking resource validity separately.","triggerScenarios":"Calling `style.get::<P>(\"name\")` on an invalid/pending style resource; fetching style values during widget update (`update`) before the style resource finished loading.","commonSituations":"Theme lookups during early UI construction before async resource load completes; deleted or failed style resources.","solutions":["Wait for the style resource to load before building/querying widget styles","Use `get_or`/`get_or_default` so a sensible fallback is returned while logging still occurs","Verify the resource handle/path is valid and its load succeeded","Check the returned Option and use a fallback instead of unwrapping"],"exampleFix":"// before\nlet brush: Brush = style.get(\"Brush::Text\").unwrap_or_default();\n// after\nlet brush: Brush = style.get_or(\"Brush::Text\", Brush::Solid(Color::WHITE));","handlingStrategy":"fallback","validationCode":"fn style_ready(style: &StyleResource) -> bool {\n    style.state().data_ref().is_some()\n}","typeGuard":"fn loaded(style: &StyleResource) -> bool { style.state().data_ref().is_some() }","tryCatchPattern":"let brush: Option<Brush> = if style.state().data_ref().is_some() {\n    style.get(\"Brush::Text\")\n} else { None };\nlet brush = brush.unwrap_or(Brush::Solid(Color::WHITE));","preventionTips":["Prefer get_or/get_or_default over get for non-critical lookups","Defer widget construction until the theme resource is loaded","Monitor logs: repeated invalid-resource messages mean a broken handle, not a missing key"],"tags":["ui","style","resource"],"backgroundTag":"resource-not-found","analyzedSha":"76c91aad8eca488ce527b1af707be8b3b24ad72d","analyzedAt":"2026-09-10T16:04:01.633Z","contentChangedAt":"2026-09-10T16:04:01.633Z","schemaVersion":2},"datasetVersion":"2026-09-16T09:17:16.951Z"}