collin/anvil · 8887ef61

Render htmx error responses instead of dropping them

Collin Richards · 2026-08-18 10:08 UTC · 8887ef61772f5a23435d650a81bd1e0e560b4f4f · parent 2f49cc06 · browse files

modifiedcrates/anvil-web/src/ui.rs+16 −0

⋯ 349 unchanged lines
350	350
351	351		/// Delegated handlers for the clone widget: protocol toggle + copy-to-clipboard.
352	352		/// Registered once on `document`, so it survives htmx body swaps.
	353	+	/// Make htmx render error responses instead of discarding them.
	354	+	///
	355	+	/// Handlers answer a rejected form with the page and the reason — a bad
	356	+	/// password, an unparseable ssh key — under a 4xx status. htmx's default
	357	+	/// `responseHandling` swaps only 2xx, so with `hx-boost` on the body every one
	358	+	/// of those pages was silently dropped and the button looked broken. Without
	359	+	/// JavaScript the same responses always rendered fine, which is why this hid.
	360	+	const HTMX_CONFIG_JS: &str = r#"
	361	+	htmx.config.responseHandling = [
	362	+	{ code: "204", swap: false },
	363	+	{ code: "[23]..", swap: true },
	364	+	{ code: "[45]..", swap: true, error: true },
	365	+	];
	366	+	"#;
	367	+
353	368		const CLONE_JS: &str = r#"
354	369		(function(){
355	370		function copyText(t){
⋯ 116 unchanged lines
472	487		main { div.container { (body) } }
473	488		footer { div.container { "anvil — a git forge" } }
474	489		script src="/-/static/htmx.min.js" {}
	490	+	script { (PreEscaped(HTMX_CONFIG_JS)) }
475	491		script { (PreEscaped(CLONE_JS)) }
476	492		}
477	493		}
⋯ 2363 unchanged lines