/opt/canhelp/node_modules/next/dist/client
Edit: /opt/canhelp/node_modules/next/dist/client/route-announcer.js.map (3553B)
{"version":3,"sources":["../../src/client/route-announcer.tsx"],"sourcesContent":["import React from 'react'\nimport { useRouter } from './router'\n\nconst nextjsRouteAnnouncerStyles: React.CSSProperties = {\n border: 0,\n clip: 'rect(0 0 0 0)',\n height: '1px',\n margin: '-1px',\n overflow: 'hidden',\n padding: 0,\n position: 'absolute',\n top: 0,\n width: '1px',\n\n // https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe\n whiteSpace: 'nowrap',\n wordWrap: 'normal',\n}\n\nexport const RouteAnnouncer = () => {\n const { asPath } = useRouter()\n const [routeAnnouncement, setRouteAnnouncement] = React.useState('')\n\n // Only announce the path change, but not for the first load because screen\n // reader will do that automatically.\n const previouslyLoadedPath = React.useRef(asPath)\n\n // Every time the path changes, announce the new page’s title following this\n // priority: first the document title (from head), otherwise the first h1, or\n // if none of these exist, then the pathname from the URL. This methodology is\n // inspired by Marcy Sutton’s accessible client routing user testing. More\n // information can be found here:\n // https://www.gatsbyjs.com/blog/2019-07-11-user-testing-accessible-client-routing/\n React.useEffect(\n () => {\n // If the path hasn't change, we do nothing.\n if (previouslyLoadedPath.current === asPath) return\n previouslyLoadedPath.current = asPath\n\n if (document.title) {\n setRouteAnnouncement(document.title)\n } else {\n const pageHeader = document.querySelector('h1')\n const content = pageHeader?.innerText ?? pageHeader?.textContent\n\n setRouteAnnouncement(content || asPath)\n }\n },\n // TODO: switch to pathname + query object of dynamic route requirements\n [asPath]\n )\n\n return (\n
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