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Direktori : /var/www/html/node_modules/next/dist/client/ |
Current File : /var/www/html/node_modules/next/dist/client/route-announcer.js |
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = exports.RouteAnnouncer = void 0; var _interop_require_default = require("@swc/helpers/lib/_interop_require_default.js").default; var _react = _interop_require_default(require("react")); var _router = require("./router"); const nextjsRouteAnnouncerStyles = { border: 0, clip: 'rect(0 0 0 0)', height: '1px', margin: '-1px', overflow: 'hidden', padding: 0, position: 'absolute', width: '1px', // https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe whiteSpace: 'nowrap', wordWrap: 'normal' }; const RouteAnnouncer = ()=>{ const { asPath } = (0, _router).useRouter(); const [routeAnnouncement, setRouteAnnouncement] = _react.default.useState(''); // Only announce the path change, but not for the first load because screen // reader will do that automatically. const previouslyLoadedPath = _react.default.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.default.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 ref; const content = (ref = pageHeader == null ? void 0 : pageHeader.innerText) != null ? ref : pageHeader == null ? void 0 : pageHeader.textContent; setRouteAnnouncement(content || asPath); } }, // TODO: switch to pathname + query object of dynamic route requirements [ asPath ]); return /*#__PURE__*/ _react.default.createElement("p", { "aria-live": "assertive" // Make the announcement immediately. , id: "__next-route-announcer__", role: "alert", style: nextjsRouteAnnouncerStyles }, routeAnnouncement); }; exports.RouteAnnouncer = RouteAnnouncer; var _default = RouteAnnouncer; exports.default = _default; if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') { Object.defineProperty(exports.default, '__esModule', { value: true }); Object.assign(exports.default, exports); module.exports = exports.default; } //# sourceMappingURL=route-announcer.js.map