{"record":{"id":"ffaf565ad198ef0b","repo":"LGUG2Z/komorebi","slug":"the-layout-file-provided-was-invalid","errorCode":null,"errorMessage":"the layout file provided was invalid","messagePattern":"the layout file provided was invalid","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"komorebi-layouts/src/custom_layout.rs","lineNumber":46,"sourceCode":"        &mut self.0\n    }\n}\n\nimpl CustomLayout {\n    pub fn from_path<P: AsRef<Path>>(path: P) -> eyre::Result<Self> {\n        let path = path.as_ref();\n        let layout: Self = match path.extension() {\n            Some(extension) if extension == \"yaml\" || extension == \"yml\" => {\n                serde_json::from_reader(BufReader::new(File::open(path)?))?\n            }\n            Some(extension) if extension == \"json\" => {\n                serde_json::from_reader(BufReader::new(File::open(path)?))?\n            }\n            _ => bail!(\"custom layouts must be json or yaml files\"),\n        };\n\n        if !layout.is_valid() {\n            bail!(\"the layout file provided was invalid\");\n        }\n\n        Ok(layout)\n    }\n\n    #[must_use]\n    pub fn column_with_idx(&self, idx: usize) -> (usize, Option<&Column>) {\n        let column_idx = self.column_for_container_idx(idx);\n        let column = self.get(column_idx);\n        (column_idx, column)\n    }\n\n    #[must_use]\n    pub fn primary_idx(&self) -> Option<usize> {\n        for (i, column) in self.iter().enumerate() {\n            if let Column::Primary(_) = column {\n                return Option::from(i);\n            }","sourceCodeStart":28,"sourceCodeEnd":64,"githubUrl":"https://github.com/LGUG2Z/komorebi/blob/e0709f02bfae4e503bf4640f58ee75ecbbfdbb97/komorebi-layouts/src/custom_layout.rs#L28-L64","documentation":"After parsing the custom layout file, from_path validates it with layout.is_valid() and bails if the structure is semantically invalid even though it parsed as JSON/YAML. This guards against layouts that deserialize but define no usable windows/columns.","triggerScenarios":"Calling CustomLayout::from_path with a syntactically valid json/yaml file whose content fails is_valid() — e.g. empty layout, zero windows, malformed rows/columns structure.","commonSituations":"Hand-editing a layout and deleting required fields; copy-pasting an incomplete example; a truncated file that still parses; wrong schema version of layout format.","solutions":["Validate the layout content: ensure it defines the expected windows/columns/rows structure per the custom layout schema.","Start from a known-good example layout and edit incrementally.","Check for truncated or empty files (cat the file; confirm full content was saved)."],"exampleFix":"// before\n{ \"columns\": [] }            // parses but is invalid\n// after\n{ \"columns\": [ { \"windows\": [ { \"width_percentage\": 50 } ] } ] }","handlingStrategy":"validation","validationCode":"let layout: CustomLayout = serde_json::from_str(&std::fs::read_to_string(path)?)?;\nif !layout.is_valid() { eprintln!(\"layout structurally invalid: check windows/columns\"); }","typeGuard":null,"tryCatchPattern":"match CustomLayout::from_path(&path) {\n    Ok(l) if l.is_valid() => l,\n    _ => eprintln!(\"layout invalid or failed to validate; start from a known-good example\"),\n}","preventionTips":["Start from an example layout and edit incrementally","Re-validate after every manual edit","Verify the file saved completely (not truncated)"],"tags":["layout","validation","schema"],"backgroundTag":"schema-validation-failed","analyzedSha":"e0709f02bfae4e503bf4640f58ee75ecbbfdbb97","analyzedAt":"2026-09-06T07:08:05.107Z","contentChangedAt":"2026-09-06T07:08:05.107Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}