WordPress/wp-includes/js/dist/script-modules/interactivity-router/index.js

import * as __WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__ from "@wordpress/interactivity";
/******/ var __webpack_modules__ = ({

/***/ 317:
/***/ ((module) => {

module.exports = import("@wordpress/a11y");;

/***/ })

/******/ });
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var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
(() => {

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  o: () => (/* binding */ actions),
  w: () => (/* binding */ state)
});

;// CONCATENATED MODULE: external "@wordpress/interactivity"
var x = (y) => {
	var x = {}; __webpack_require__.d(x, y); return x
} 
var y = (x) => (() => (x))
const interactivity_namespaceObject = x({ ["getConfig"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.getConfig), ["privateApis"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.privateApis), ["store"]: () => (__WEBPACK_EXTERNAL_MODULE__wordpress_interactivity_8e89b257__.store) });
;// CONCATENATED MODULE: ./node_modules/@wordpress/interactivity-router/build-module/index.js
var _getConfig$navigation;
/**
 * WordPress dependencies
 */


/**
 * Internal dependencies
 */

const {
  directivePrefix,
  getRegionRootFragment,
  initialVdom,
  toVdom,
  render,
  parseServerData,
  populateServerData,
  batch
} = (0,interactivity_namespaceObject.privateApis)('I acknowledge that using private APIs means my theme or plugin will inevitably break in the next version of WordPress.');
// Check if the navigation mode is full page or region based.
const navigationMode = (_getConfig$navigation = (0,interactivity_namespaceObject.getConfig)('core/router').navigationMode) !== null && _getConfig$navigation !== void 0 ? _getConfig$navigation : 'regionBased';

// The cache of visited and prefetched pages, stylesheets and scripts.
const pages = new Map();
const headElements = new Map();

// Helper to remove domain and hash from the URL. We are only interesting in
// caching the path and the query.
const getPagePath = url => {
  const u = new URL(url, window.location.href);
  return u.pathname + u.search;
};

// Fetch a new page and convert it to a static virtual DOM.
const fetchPage = async (url, {
  html
}) => {
  try {
    if (!html) {
      const res = await window.fetch(url);
      if (res.status !== 200) {
        return false;
      }
      html = await res.text();
    }
    const dom = new window.DOMParser().parseFromString(html, 'text/html');
    return regionsToVdom(dom);
  } catch (e) {
    return false;
  }
};

// Return an object with VDOM trees of those HTML regions marked with a
// `router-region` directive.
const regionsToVdom = async (dom, {
  vdom
} = {}) => {
  const regions = {
    body: undefined
  };
  let head;
  if (false) {}
  if (navigationMode === 'regionBased') {
    const attrName = `data-${directivePrefix}-router-region`;
    dom.querySelectorAll(`[${attrName}]`).forEach(region => {
      const id = region.getAttribute(attrName);
      regions[id] = vdom?.has(region) ? vdom.get(region) : toVdom(region);
    });
  }
  const title = dom.querySelector('title')?.innerText;
  const initialData = parseServerData(dom);
  return {
    regions,
    head,
    title,
    initialData
  };
};

// Render all interactive regions contained in the given page.
const renderRegions = page => {
  batch(() => {
    if (false) {}
    if (navigationMode === 'regionBased') {
      populateServerData(page.initialData);
      const attrName = `data-${directivePrefix}-router-region`;
      document.querySelectorAll(`[${attrName}]`).forEach(region => {
        const id = region.getAttribute(attrName);
        const fragment = getRegionRootFragment(region);
        render(page.regions[id], fragment);
      });
    }
    if (page.title) {
      document.title = page.title;
    }
  });
};

/**
 * Load the given page forcing a full page reload.
 *
 * The function returns a promise that won't resolve, useful to prevent any
 * potential feedback indicating that the navigation has finished while the new
 * page is being loaded.
 *
 * @param href The page href.
 * @return Promise that never resolves.
 */
const forcePageReload = href => {
  window.location.assign(href);
  return new Promise(() => {});
};

// Listen to the back and forward buttons and restore the page if it's in the
// cache.
window.addEventListener('popstate', async () => {
  const pagePath = getPagePath(window.location.href); // Remove hash.
  const page = pages.has(pagePath) && (await pages.get(pagePath));
  if (page) {
    renderRegions(page);
    // Update the URL in the state.
    state.url = window.location.href;
  } else {
    window.location.reload();
  }
});

// Initialize the router and cache the initial page using the initial vDOM.
// Once this code is tested and more mature, the head should be updated for
// region based navigation as well.
if (false) {}
pages.set(getPagePath(window.location.href), Promise.resolve(regionsToVdom(document, {
  vdom: initialVdom
})));

// Check if the link is valid for client-side navigation.
const isValidLink = ref => ref && ref instanceof window.HTMLAnchorElement && ref.href && (!ref.target || ref.target === '_self') && ref.origin === window.location.origin && !ref.pathname.startsWith('/wp-admin') && !ref.pathname.startsWith('/wp-login.php') && !ref.getAttribute('href').startsWith('#') && !new URL(ref.href).searchParams.has('_wpnonce');

// Check if the event is valid for client-side navigation.
const isValidEvent = event => event && event.button === 0 &&
// Left clicks only.
!event.metaKey &&
// Open in new tab (Mac).
!event.ctrlKey &&
// Open in new tab (Windows).
!event.altKey &&
// Download.
!event.shiftKey && !event.defaultPrevented;

// Variable to store the current navigation.
let navigatingTo = '';
let hasLoadedNavigationTextsData = false;
const navigationTexts = {
  loading: 'Loading page, please wait.',
  loaded: 'Page Loaded.'
};
const {
  state,
  actions
} = (0,interactivity_namespaceObject.store)('core/router', {
  state: {
    url: window.location.href,
    navigation: {
      hasStarted: false,
      hasFinished: false
    }
  },
  actions: {
    /**
     * Navigates to the specified page.
     *
     * This function normalizes the passed href, fetchs the page HTML if
     * needed, and updates any interactive regions whose contents have
     * changed. It also creates a new entry in the browser session history.
     *
     * @param href                               The page href.
     * @param [options]                          Options object.
     * @param [options.force]                    If true, it forces re-fetching the URL.
     * @param [options.html]                     HTML string to be used instead of fetching the requested URL.
     * @param [options.replace]                  If true, it replaces the current entry in the browser session history.
     * @param [options.timeout]                  Time until the navigation is aborted, in milliseconds. Default is 10000.
     * @param [options.loadingAnimation]         Whether an animation should be shown while navigating. Default to `true`.
     * @param [options.screenReaderAnnouncement] Whether a message for screen readers should be announced while navigating. Default to `true`.
     *
     * @return  Promise that resolves once the navigation is completed or aborted.
     */
    *navigate(href, options = {}) {
      const {
        clientNavigationDisabled
      } = (0,interactivity_namespaceObject.getConfig)();
      if (clientNavigationDisabled) {
        yield forcePageReload(href);
      }
      const pagePath = getPagePath(href);
      const {
        navigation
      } = state;
      const {
        loadingAnimation = true,
        screenReaderAnnouncement = true,
        timeout = 10000
      } = options;
      navigatingTo = href;
      actions.prefetch(pagePath, options);

      // Create a promise that resolves when the specified timeout ends.
      // The timeout value is 10 seconds by default.
      const timeoutPromise = new Promise(resolve => setTimeout(resolve, timeout));

      // Don't update the navigation status immediately, wait 400 ms.
      const loadingTimeout = setTimeout(() => {
        if (navigatingTo !== href) {
          return;
        }
        if (loadingAnimation) {
          navigation.hasStarted = true;
          navigation.hasFinished = false;
        }
        if (screenReaderAnnouncement) {
          a11ySpeak('loading');
        }
      }, 400);
      const page = yield Promise.race([pages.get(pagePath), timeoutPromise]);

      // Dismiss loading message if it hasn't been added yet.
      clearTimeout(loadingTimeout);

      // Once the page is fetched, the destination URL could have changed
      // (e.g., by clicking another link in the meantime). If so, bail
      // out, and let the newer execution to update the HTML.
      if (navigatingTo !== href) {
        return;
      }
      if (page && !page.initialData?.config?.['core/router']?.clientNavigationDisabled) {
        yield renderRegions(page);
        window.history[options.replace ? 'replaceState' : 'pushState']({}, '', href);

        // Update the URL in the state.
        state.url = href;

        // Update the navigation status once the the new page rendering
        // has been completed.
        if (loadingAnimation) {
          navigation.hasStarted = false;
          navigation.hasFinished = true;
        }
        if (screenReaderAnnouncement) {
          a11ySpeak('loaded');
        }

        // Scroll to the anchor if exits in the link.
        const {
          hash
        } = new URL(href, window.location.href);
        if (hash) {
          document.querySelector(hash)?.scrollIntoView();
        }
      } else {
        yield forcePageReload(href);
      }
    },
    /**
     * Prefetchs the page with the passed URL.
     *
     * The function normalizes the URL and stores internally the fetch
     * promise, to avoid triggering a second fetch for an ongoing request.
     *
     * @param url             The page URL.
     * @param [options]       Options object.
     * @param [options.force] Force fetching the URL again.
     * @param [options.html]  HTML string to be used instead of fetching the requested URL.
     */
    prefetch(url, options = {}) {
      const {
        clientNavigationDisabled
      } = (0,interactivity_namespaceObject.getConfig)();
      if (clientNavigationDisabled) {
        return;
      }
      const pagePath = getPagePath(url);
      if (options.force || !pages.has(pagePath)) {
        pages.set(pagePath, fetchPage(pagePath, {
          html: options.html
        }));
      }
    }
  }
});

/**
 * Announces a message to screen readers.
 *
 * This is a wrapper around the `@wordpress/a11y` package's `speak` function. It handles importing
 * the package on demand and should be used instead of calling `ally.speak` direacly.
 *
 * @param messageKey The message to be announced by assistive technologies.
 */
function a11ySpeak(messageKey) {
  if (!hasLoadedNavigationTextsData) {
    hasLoadedNavigationTextsData = true;
    const content = document.getElementById('wp-script-module-data-@wordpress/interactivity-router')?.textContent;
    if (content) {
      try {
        const parsed = JSON.parse(content);
        if (typeof parsed?.i18n?.loading === 'string') {
          navigationTexts.loading = parsed.i18n.loading;
        }
        if (typeof parsed?.i18n?.loaded === 'string') {
          navigationTexts.loaded = parsed.i18n.loaded;
        }
      } catch {}
    } else {
      // Fallback to localized strings from Interactivity API state.
      // @todo This block is for Core < 6.7.0. Remove when support is dropped.

      // @ts-expect-error
      if (state.navigation.texts?.loading) {
        // @ts-expect-error
        navigationTexts.loading = state.navigation.texts.loading;
      }
      // @ts-expect-error
      if (state.navigation.texts?.loaded) {
        // @ts-expect-error
        navigationTexts.loaded = state.navigation.texts.loaded;
      }
    }
  }
  const message = navigationTexts[messageKey];
  Promise.resolve(/* import() */).then(__webpack_require__.bind(__webpack_require__, 317)).then(({
    speak
  }) => speak(message),
  // Ignore failures to load the a11y module.
  () => {});
}

// Add click and prefetch to all links.
if (false) {}

})();

var __webpack_exports__actions = __webpack_exports__.o;
var __webpack_exports__state = __webpack_exports__.w;
export { __webpack_exports__actions as actions, __webpack_exports__state as state };