104 lines
4.8 KiB
JavaScript
104 lines
4.8 KiB
JavaScript
import { addBasePath } from './add-base-path';
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import { interpolateAs } from '../shared/lib/router/router';
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import getAssetPathFromRoute from '../shared/lib/router/utils/get-asset-path-from-route';
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import { addLocale } from './add-locale';
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import { isDynamicRoute } from '../shared/lib/router/utils/is-dynamic';
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import { parseRelativeUrl } from '../shared/lib/router/utils/parse-relative-url';
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import { removeTrailingSlash } from '../shared/lib/router/utils/remove-trailing-slash';
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import { createRouteLoader, getClientBuildManifest } from './route-loader';
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class PageLoader {
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getPageList() {
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if (process.env.NODE_ENV === 'production') {
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return getClientBuildManifest().then((manifest)=>manifest.sortedPages);
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} else {
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if (window.__DEV_PAGES_MANIFEST) {
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return window.__DEV_PAGES_MANIFEST.pages;
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} else {
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this.promisedDevPagesManifest || (this.promisedDevPagesManifest = fetch(`${this.assetPrefix}/_next/static/development/_devPagesManifest.json`).then((res)=>res.json()).then((manifest)=>{
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window.__DEV_PAGES_MANIFEST = manifest;
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return manifest.pages;
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}).catch((err)=>{
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console.log(`Failed to fetch devPagesManifest:`, err);
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throw new Error(`Failed to fetch _devPagesManifest.json. Is something blocking that network request?\n` + 'Read more: https://nextjs.org/docs/messages/failed-to-fetch-devpagesmanifest');
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}));
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return this.promisedDevPagesManifest;
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}
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}
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}
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getMiddleware() {
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if (process.env.NODE_ENV === 'production') {
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const middlewareMatchers = process.env.__NEXT_MIDDLEWARE_MATCHERS;
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window.__MIDDLEWARE_MATCHERS = middlewareMatchers ? middlewareMatchers : undefined;
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return window.__MIDDLEWARE_MATCHERS;
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} else {
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if (window.__DEV_MIDDLEWARE_MATCHERS) {
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return window.__DEV_MIDDLEWARE_MATCHERS;
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} else {
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if (!this.promisedMiddlewareMatchers) {
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// TODO: Decide what should happen when fetching fails instead of asserting
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// @ts-ignore
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this.promisedMiddlewareMatchers = fetch(`${this.assetPrefix}/_next/static/${this.buildId}/_devMiddlewareManifest.json`).then((res)=>res.json()).then((matchers)=>{
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window.__DEV_MIDDLEWARE_MATCHERS = matchers;
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return matchers;
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}).catch((err)=>{
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console.log(`Failed to fetch _devMiddlewareManifest`, err);
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});
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}
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// TODO Remove this assertion as this could be undefined
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return this.promisedMiddlewareMatchers;
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}
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}
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}
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getDataHref(params) {
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const { asPath , href , locale } = params;
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const { pathname: hrefPathname , query , search } = parseRelativeUrl(href);
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const { pathname: asPathname } = parseRelativeUrl(asPath);
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const route = removeTrailingSlash(hrefPathname);
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if (route[0] !== '/') {
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throw new Error(`Route name should start with a "/", got "${route}"`);
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}
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const getHrefForSlug = (path)=>{
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const dataRoute = getAssetPathFromRoute(removeTrailingSlash(addLocale(path, locale)), '.json');
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return addBasePath(`/_next/data/${this.buildId}${dataRoute}${search}`, true);
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};
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return getHrefForSlug(params.skipInterpolation ? asPathname : isDynamicRoute(route) ? interpolateAs(hrefPathname, asPathname, query).result : route);
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}
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_isSsg(/** the route (file-system path) */ route) {
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return this.promisedSsgManifest.then((manifest)=>manifest.has(route));
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}
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loadPage(route) {
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return this.routeLoader.loadRoute(route).then((res)=>{
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if ('component' in res) {
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return {
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page: res.component,
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mod: res.exports,
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styleSheets: res.styles.map((o)=>({
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href: o.href,
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text: o.content
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}))
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};
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}
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throw res.error;
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});
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}
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prefetch(route) {
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return this.routeLoader.prefetch(route);
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}
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constructor(buildId, assetPrefix){
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this.routeLoader = createRouteLoader(assetPrefix);
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this.buildId = buildId;
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this.assetPrefix = assetPrefix;
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this.promisedSsgManifest = new Promise((resolve)=>{
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if (window.__SSG_MANIFEST) {
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resolve(window.__SSG_MANIFEST);
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} else {
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window.__SSG_MANIFEST_CB = ()=>{
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resolve(window.__SSG_MANIFEST);
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};
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}
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});
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}
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}
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export { PageLoader as default };
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//# sourceMappingURL=page-loader.js.map
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