create project

kitabcitab/node_modules/next/dist/client/route-announcer.js

@@ -0,0 +1,68 @@
+"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