{"record":{"id":"c1e9698cc4804cc2","repo":"zed-industries/zed","slug":"no-body-found-on-document","errorCode":null,"errorMessage":"No `body` found on document","messagePattern":"No `body` found on document","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/gpui_web/src/window.rs","lineNumber":109,"sourceCode":"}\n\npub struct WebWindow {\n inner: Rc,\n display: Rc,\n lifecycle: Rc>,\n active_window: Rc>>,\n _raf_closure: Closure,\n _resize_observer: Option,\n _resize_observer_closure: Closure,\n _safe_area_observer: Option,\n _safe_area_observer_closure: Closure,\n _event_listeners: WebEventListeners,\n}\n\nimpl WebWindow {\n pub(crate) fn prepare_canvas(\n browser_window: &web_sys::Window,\n ) -> anyhow::Result {\n let document = browser_window\n .document()\n .ok_or_else(|| anyhow::anyhow!(\"No `document` found on window\"))?;\n let canvas: web_sys::HtmlCanvasElement = document\n .create_element(\"canvas\")\n .map_err(|error| anyhow::anyhow!(\"Failed to create canvas element: {error:?}\"))?\n .dyn_into()\n .map_err(|error| anyhow::anyhow!(\"Created element is not a canvas: {error:?}\"))?;\n canvas.set_tab_index(-1);\n\n let style = canvas.style();\n for (property, value) in [\n (\"width\", \"100%\"),\n (\"height\", \"100%\"),\n (\"display\", \"block\"),\n (\"outline\", \"none\"),\n (\"touch-action\", \"none\"),\n (\"-webkit-touch-callout\", \"none\"),","sourceCodeStart":91,"sourceCodeEnd":127,"githubUrl":"https://github.com/zed-industries/zed/blob/9d272b036335401f339d024ea94968fd51016c40/crates/gpui_web/src/window.rs#L91-L127","documentation":"Guard in WebWindow::prepare_canvas: document.body() returned None — the document has no element yet (script ran in before body parsing) or the document type never has a body (e.g. XML documents).","triggerScenarios":"Thrown at crates/gpui_web/src/window.rs:105 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Run initialization after DOMContentLoaded so document.body exists","Use document.documentElement as an append target when body is absent","Defer canvas insertion with a MutationObserver if the host page builds body dynamically"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"9d272b036335401f339d024ea94968fd51016c40","analyzedAt":"2026-08-20T19:29:52.058Z","contentChangedAt":"2026-08-20T19:29:52.058Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}