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Fix for checking media type in CSR (#8537)

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* bugfix checking media-type

* bugfix checking media-type

* Update packages/astro/components/ViewTransitions.astro

.* is longest possible run, but a dollar won't harm us :)

Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>

* make typescript happy

---------

Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>
This commit is contained in:
Martin Trapp 2023-09-13 23:17:07 +02:00 committed by GitHub
parent eb3c33cff7
commit f95febf96b
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 15 deletions
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5
.changeset/sixty-beds-give.md Normal file
View file

@ -0,0 +1,5 @@
---
'astro': patch
---
bugfix checking media-type in client-side router

30
packages/astro/components/ViewTransitions.astro
View file

@ -65,19 +65,19 @@ const { fallback = 'animate' } = Astro.props as Props;
};
async function getHTML(href: string) {
let res;
try {
res = await fetch(href);
const res = await fetch(href);
const html = await res.text();
return {
ok: res.ok,
html,
redirected: res.redirected ? res.url : undefined,
// drop potential charset (+ other name/value pairs) as parser needs the mediaType
mediaType: res.headers.get('content-type')?.replace(/;.*$/, ''),
};
} catch (err) {
return { ok: false };
}
const html = await res.text();
return {
ok: res.ok,
html,
redirected: res.redirected ? res.url : undefined,
contentType: res.headers.get('content-type'),
};
}
function getFallback(): Fallback {
@ -126,13 +126,13 @@ const { fallback = 'animate' } = Astro.props as Props;
// A noop element used to prevent styles from being removed
if (import.meta.env.DEV) {
var noopEl: string | undefined = document.createElement('div');
var noopEl = document.createElement('div');
}
async function updateDOM(doc: Document, loc: URL, state?: State, fallback?: Fallback) {
// Check for a head element that should persist, either because it has the data
// attribute or is a link el.
const persistedHeadElement = (el: Element): Element | null => {
const persistedHeadElement = (el: HTMLElement): Element | null => {
const id = el.getAttribute(PERSIST_ATTR);
const newEl = id && doc.head.querySelector(`[${PERSIST_ATTR}="${id}"]`);
if (newEl) {
@ -189,7 +189,7 @@ const { fallback = 'animate' } = Astro.props as Props;
// Swap head
for (const el of Array.from(document.head.children)) {
const newEl = persistedHeadElement(el);
const newEl = persistedHeadElement(el as HTMLElement);
// If the element exists in the document already, remove it
// from the new document and leave the current node alone
if (newEl) {
@ -290,16 +290,16 @@ const { fallback = 'animate' } = Astro.props as Props;
async function navigate(dir: Direction, loc: URL, state?: State) {
let finished: Promise<void>;
const href = loc.href;
const { html, ok, contentType, redirected } = await getHTML(href);
const { html, ok, mediaType, redirected } = await getHTML(href);
// if there was a redirection, show the final URL in the browser's address bar
redirected && (loc = new URL(redirected));
// If there is a problem fetching the new page, just do an MPA navigation to it.
if (!ok || contentType !== 'text/html') {
if (!ok || !(mediaType === 'text/html' || mediaType === 'application/xhtml+xml')) {
location.href = href;
return;
}
const doc = parser.parseFromString(html, contentType);
const doc = parser.parseFromString(html, mediaType);
if (!doc.querySelector('[name="astro-view-transitions-enabled"]')) {
location.href = href;
return;