generated from thegrind/laravel-dockerized
248 lines
10 KiB
JavaScript
248 lines
10 KiB
JavaScript
import { inject, markRaw, nextTick, reactive, readonly } from 'vue';
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import { notFoundPageData, treatAsHtml } from '../shared';
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import { siteDataRef } from './data';
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import { getScrollOffset, inBrowser, withBase } from './utils';
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export const RouterSymbol = Symbol();
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// we are just using URL to parse the pathname and hash - the base doesn't
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// matter and is only passed to support same-host hrefs.
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const fakeHost = 'http://a.com';
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const getDefaultRoute = () => ({
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path: '/',
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component: null,
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data: notFoundPageData
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});
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export function createRouter(loadPageModule, fallbackComponent) {
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const route = reactive(getDefaultRoute());
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const router = {
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route,
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go
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};
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async function go(href = inBrowser ? location.href : '/') {
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href = normalizeHref(href);
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if ((await router.onBeforeRouteChange?.(href)) === false)
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return;
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if (inBrowser && href !== normalizeHref(location.href)) {
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// save scroll position before changing url
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history.replaceState({ scrollPosition: window.scrollY }, '');
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history.pushState({}, '', href);
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}
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await loadPage(href);
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await (router.onAfterRouteChange ?? router.onAfterRouteChanged)?.(href);
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}
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let latestPendingPath = null;
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async function loadPage(href, scrollPosition = 0, isRetry = false) {
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if ((await router.onBeforePageLoad?.(href)) === false)
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return;
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const targetLoc = new URL(href, fakeHost);
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const pendingPath = (latestPendingPath = targetLoc.pathname);
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try {
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let page = await loadPageModule(pendingPath);
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if (!page) {
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throw new Error(`Page not found: ${pendingPath}`);
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}
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if (latestPendingPath === pendingPath) {
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latestPendingPath = null;
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const { default: comp, __pageData } = page;
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if (!comp) {
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throw new Error(`Invalid route component: ${comp}`);
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}
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await router.onAfterPageLoad?.(href);
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route.path = inBrowser ? pendingPath : withBase(pendingPath);
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route.component = markRaw(comp);
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route.data = import.meta.env.PROD
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? markRaw(__pageData)
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: readonly(__pageData);
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if (inBrowser) {
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nextTick(() => {
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let actualPathname = siteDataRef.value.base +
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__pageData.relativePath.replace(/(?:(^|\/)index)?\.md$/, '$1');
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if (!siteDataRef.value.cleanUrls && !actualPathname.endsWith('/')) {
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actualPathname += '.html';
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}
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if (actualPathname !== targetLoc.pathname) {
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targetLoc.pathname = actualPathname;
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href = actualPathname + targetLoc.search + targetLoc.hash;
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history.replaceState({}, '', href);
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}
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if (targetLoc.hash && !scrollPosition) {
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let target = null;
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try {
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target = document.getElementById(decodeURIComponent(targetLoc.hash).slice(1));
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}
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catch (e) {
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console.warn(e);
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}
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if (target) {
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scrollTo(target, targetLoc.hash);
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return;
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}
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}
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window.scrollTo(0, scrollPosition);
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});
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}
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}
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}
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catch (err) {
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if (!/fetch|Page not found/.test(err.message) &&
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!/^\/404(\.html|\/)?$/.test(href)) {
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console.error(err);
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}
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// retry on fetch fail: the page to hash map may have been invalidated
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// because a new deploy happened while the page is open. Try to fetch
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// the updated pageToHash map and fetch again.
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if (!isRetry) {
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try {
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const res = await fetch(siteDataRef.value.base + 'hashmap.json');
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window.__VP_HASH_MAP__ = await res.json();
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await loadPage(href, scrollPosition, true);
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return;
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}
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catch (e) { }
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}
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if (latestPendingPath === pendingPath) {
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latestPendingPath = null;
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route.path = inBrowser ? pendingPath : withBase(pendingPath);
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route.component = fallbackComponent ? markRaw(fallbackComponent) : null;
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const relativePath = inBrowser
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? pendingPath
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.replace(/(^|\/)$/, '$1index')
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.replace(/(\.html)?$/, '.md')
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.replace(/^\//, '')
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: '404.md';
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route.data = { ...notFoundPageData, relativePath };
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}
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}
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}
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if (inBrowser) {
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if (history.state === null) {
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history.replaceState({}, '');
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}
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window.addEventListener('click', (e) => {
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if (e.defaultPrevented ||
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!(e.target instanceof Element) ||
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e.target.closest('button') || // temporary fix for docsearch action buttons
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e.button !== 0 ||
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e.ctrlKey ||
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e.shiftKey ||
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e.altKey ||
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e.metaKey)
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return;
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const link = e.target.closest('a');
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if (!link ||
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link.closest('.vp-raw') ||
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link.hasAttribute('download') ||
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link.hasAttribute('target'))
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return;
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const linkHref = link.getAttribute('href') ??
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(link instanceof SVGAElement ? link.getAttribute('xlink:href') : null);
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if (linkHref == null)
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return;
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const { href, origin, pathname, hash, search } = new URL(linkHref, link.baseURI);
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const currentUrl = new URL(location.href); // copy to keep old data
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// only intercept inbound html links
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if (origin === currentUrl.origin && treatAsHtml(pathname)) {
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e.preventDefault();
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if (pathname === currentUrl.pathname &&
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search === currentUrl.search) {
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// scroll between hash anchors in the same page
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// avoid duplicate history entries when the hash is same
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if (hash !== currentUrl.hash) {
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history.pushState({}, '', href);
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// still emit the event so we can listen to it in themes
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window.dispatchEvent(new HashChangeEvent('hashchange', {
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oldURL: currentUrl.href,
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newURL: href
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}));
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}
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if (hash) {
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// use smooth scroll when clicking on header anchor links
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scrollTo(link, hash, link.classList.contains('header-anchor'));
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}
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else {
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window.scrollTo(0, 0);
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}
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}
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else {
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go(href);
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}
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}
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}, { capture: true });
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window.addEventListener('popstate', async (e) => {
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if (e.state === null)
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return;
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const href = normalizeHref(location.href);
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await loadPage(href, (e.state && e.state.scrollPosition) || 0);
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await (router.onAfterRouteChange ?? router.onAfterRouteChanged)?.(href);
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});
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window.addEventListener('hashchange', (e) => {
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e.preventDefault();
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});
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}
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handleHMR(route);
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return router;
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}
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export function useRouter() {
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const router = inject(RouterSymbol);
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if (!router) {
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throw new Error('useRouter() is called without provider.');
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}
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return router;
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}
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export function useRoute() {
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return useRouter().route;
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}
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export function scrollTo(el, hash, smooth = false) {
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let target = null;
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try {
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target = el.classList.contains('header-anchor')
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? el
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: document.getElementById(decodeURIComponent(hash).slice(1));
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}
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catch (e) {
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console.warn(e);
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}
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if (target) {
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const targetPadding = parseInt(window.getComputedStyle(target).paddingTop, 10);
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const targetTop = window.scrollY +
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target.getBoundingClientRect().top -
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getScrollOffset() +
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targetPadding;
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function scrollToTarget() {
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// only smooth scroll if distance is smaller than screen height.
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if (!smooth || Math.abs(targetTop - window.scrollY) > window.innerHeight)
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window.scrollTo(0, targetTop);
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else
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window.scrollTo({ left: 0, top: targetTop, behavior: 'smooth' });
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}
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requestAnimationFrame(scrollToTarget);
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}
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}
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function handleHMR(route) {
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// update route.data on HMR updates of active page
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if (import.meta.hot) {
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// hot reload pageData
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import.meta.hot.on('vitepress:pageData', (payload) => {
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if (shouldHotReload(payload)) {
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route.data = payload.pageData;
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}
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});
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}
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}
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function shouldHotReload(payload) {
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const payloadPath = payload.path.replace(/(?:(^|\/)index)?\.md$/, '$1');
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const locationPath = location.pathname
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.replace(/(?:(^|\/)index)?\.html$/, '')
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.slice(siteDataRef.value.base.length - 1);
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return payloadPath === locationPath;
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}
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function normalizeHref(href) {
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const url = new URL(href, fakeHost);
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url.pathname = url.pathname.replace(/(^|\/)index(\.html)?$/, '$1');
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// ensure correct deep link so page refresh lands on correct files.
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if (siteDataRef.value.cleanUrls)
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url.pathname = url.pathname.replace(/\.html$/, '');
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else if (!url.pathname.endsWith('/') && !url.pathname.endsWith('.html'))
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url.pathname += '.html';
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return url.pathname + url.search + url.hash;
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}
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