import { defineContentScript } from '#imports';
/**
* Content script that scans the page's for tags containing
* AT URIs (at://...). This enables detection of atmosphere apps like Offprint,
* pckt, and Leaflet/standard.site pages that embed their AT URI in the document
* head rather than the URL path.
*
* Communicates findings back to the popup/background via runtime messaging.
*/
export default defineContentScript({
matches: [''],
runAt: 'document_end',
main() {
function findAtUriInHead(): string | null {
const links = document.querySelectorAll('head link[href^="at://"]');
for (const link of links) {
const href = link.getAttribute('href');
if (href && href.startsWith('at://')) {
return href;
}
}
return null;
}
const atUri = findAtUriInHead();
if (atUri) {
chrome.runtime.onMessage.addListener((message, _sender, sendResponse) => {
if (message?.type === 'aturi:query-head') {
sendResponse({ atUri });
return true;
}
});
}
},
});