/opt/canhelp/node_modules/next/dist/esm/client
Edit: /opt/canhelp/node_modules/next/dist/esm/client/route-announcer.js (2346B)
import { jsx as _jsx } from "react/jsx-runtime";
import React from 'react';
import { useRouter } from './router';
const nextjsRouteAnnouncerStyles = {
border: 0,
clip: 'rect(0 0 0 0)',
height: '1px',
margin: '-1px',
overflow: 'hidden',
padding: 0,
position: 'absolute',
top: 0,
width: '1px',
// https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
whiteSpace: 'nowrap',
wordWrap: 'normal'
};
export const RouteAnnouncer = ()=>{
const { asPath } = useRouter();
const [routeAnnouncement, setRouteAnnouncement] = React.useState('');
// Only announce the path change, but not for the first load because screen
// reader will do that automatically.
const previouslyLoadedPath = React.useRef(asPath);
// Every time the path changes, announce the new page’s title following this
// priority: first the document title (from head), otherwise the first h1, or
// if none of these exist, then the pathname from the URL. This methodology is
// inspired by Marcy Sutton’s accessible client routing user testing. More
// information can be found here:
// https://www.gatsbyjs.com/blog/2019-07-11-user-testing-accessible-client-routing/
React.useEffect(()=>{
// If the path hasn't change, we do nothing.
if (previouslyLoadedPath.current === asPath) return;
previouslyLoadedPath.current = asPath;
if (document.title) {
setRouteAnnouncement(document.title);
} else {
const pageHeader = document.querySelector('h1');
var _pageHeader_innerText;
const content = (_pageHeader_innerText = pageHeader == null ? void 0 : pageHeader.innerText) != null ? _pageHeader_innerText : pageHeader == null ? void 0 : pageHeader.textContent;
setRouteAnnouncement(content || asPath);
}
}, // TODO: switch to pathname + query object of dynamic route requirements
[
asPath
]);
return /*#__PURE__*/ _jsx("p", {
"aria-live": "assertive" // Make the announcement immediately.
,
id: "__next-route-announcer__",
role: "alert",
style: nextjsRouteAnnouncerStyles,
children: routeAnnouncement
});
};
export default RouteAnnouncer;
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