84 lines
3.2 KiB
JavaScript
84 lines
3.2 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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RouteAnnouncer: null,
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default: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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RouteAnnouncer: function() {
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return RouteAnnouncer;
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},
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default: function() {
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return _default;
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}
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});
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const _interop_require_default = require("@swc/helpers/_/_interop_require_default");
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const _react = /*#__PURE__*/ _interop_require_default._(require("react"));
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const _router = require("./router");
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const nextjsRouteAnnouncerStyles = {
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border: 0,
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clip: "rect(0 0 0 0)",
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height: "1px",
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margin: "-1px",
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overflow: "hidden",
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padding: 0,
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position: "absolute",
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top: 0,
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width: "1px",
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// https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
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whiteSpace: "nowrap",
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wordWrap: "normal"
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};
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const RouteAnnouncer = ()=>{
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const { asPath } = (0, _router.useRouter)();
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const [routeAnnouncement, setRouteAnnouncement] = _react.default.useState("");
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// Only announce the path change, but not for the first load because screen
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// reader will do that automatically.
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const previouslyLoadedPath = _react.default.useRef(asPath);
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// Every time the path changes, announce the new page’s title following this
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// priority: first the document title (from head), otherwise the first h1, or
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// if none of these exist, then the pathname from the URL. This methodology is
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// inspired by Marcy Sutton’s accessible client routing user testing. More
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// information can be found here:
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// https://www.gatsbyjs.com/blog/2019-07-11-user-testing-accessible-client-routing/
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_react.default.useEffect(()=>{
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// If the path hasn't change, we do nothing.
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if (previouslyLoadedPath.current === asPath) return;
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previouslyLoadedPath.current = asPath;
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if (document.title) {
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setRouteAnnouncement(document.title);
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} else {
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const pageHeader = document.querySelector("h1");
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var _pageHeader_innerText;
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const content = (_pageHeader_innerText = pageHeader == null ? void 0 : pageHeader.innerText) != null ? _pageHeader_innerText : pageHeader == null ? void 0 : pageHeader.textContent;
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setRouteAnnouncement(content || asPath);
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}
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}, // TODO: switch to pathname + query object of dynamic route requirements
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[
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asPath
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]);
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return /*#__PURE__*/ _react.default.createElement("p", {
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"aria-live": "assertive" // Make the announcement immediately.
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,
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id: "__next-route-announcer__",
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role: "alert",
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style: nextjsRouteAnnouncerStyles
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}, routeAnnouncement);
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};
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const _default = RouteAnnouncer;
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if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
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Object.defineProperty(exports.default, '__esModule', { value: true });
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Object.assign(exports.default, exports);
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module.exports = exports.default;
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}
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//# sourceMappingURL=route-announcer.js.map
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