@tanstack/solid-router/dist/cjs/flightData.cjs

Modern and scalable routing for Solid applications

let _solidjs_web = require("@solidjs/web");
let _solidjs_web_server_functions = require("@solidjs/web/server-functions");
//#region src/flightData.ts
/**
* Registers the router as the unnamed single-flight consumer of Solid's
* server-function transport, so the response helpers a mutation returns —
* `redirect()`, `reload()`, `respond(value, { revalidate })` — take effect
* on the client without the caller wrapping the call: the transport hands
* the caller the plain value and the router applies the metadata. Called
* by `RouterContextProvider` on the client; returns the unsubscribe.
*
* Subscribing is also the single-flight opt-in: while registered, the
* transport tags mutation calls so the server can fold fresh data for
* registered collectors into the same response. The router claims no
* slice of that data itself — route data is reloaded through `invalidate`
* below, and caches that want seeding (a query client) subscribe under
* their own source id.
*/
function setupFlightDataConsumer(router) {
	return (0, _solidjs_web_server_functions.subscribeFlightData)((_data, { response }) => applyResponseMetadata(router, response));
}
/**
* Applies a server-function response's integration metadata to the
* router. A mutation is a write, so a response carrying metadata reloads
* the route data the page is built on: committed and cached matches are
* invalidated the way `router.invalidate()` does after a mutation.
*
* `X-Revalidate` names entries in caches the router does not own, so the
* keys themselves are left to those caches' consumers; the router reads
* only the declaration's shape. Absent (a bare `redirect()`/`reload()`),
* named keys, or the reserved `*` all say a write happened — route data
* reloads. An EMPTY declaration (`revalidate: []`) is the author narrowing
* the scope to nothing, and the router honors that too: a redirect still
* navigates, but nothing is reloaded on the way.
*
* The redirect carrier delivers the target RESOLVED to an absolute url, so
* the soft/hard split is a real origin comparison: a same-origin target
* navigates under the router (`replace`, matching what HTTP gives a form
* post — the destination takes the submission's place in history), and any
* other origin leaves the app through a document navigation.
*/
function applyResponseMetadata(router, response) {
	const carried = (0, _solidjs_web_server_functions.decodeRedirectHeaderValue)(response.headers.get(_solidjs_web_server_functions.REDIRECT_HEADER));
	const declared = response.headers.get(_solidjs_web.REVALIDATE_HEADER);
	if (!carried && declared === null) return;
	const reload = declared === null || declared.split(",").some(Boolean);
	const target = carried ? new URL(carried.url) : void 0;
	const origin = router.options.origin ?? window.location.origin;
	if (target && target.origin !== origin) {
		router.navigate({
			href: target.href,
			replace: true
		});
		return;
	}
	if (target) router.navigate({
		href: target.pathname + target.search + target.hash,
		replace: true
	}).catch(console.error);
	if (reload) router.invalidate().catch(console.error);
}
//#endregion
exports.setupFlightDataConsumer = setupFlightDataConsumer;

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