87 lines
3.0 KiB
TypeScript
87 lines
3.0 KiB
TypeScript
import { resolve as resolvePath } from 'canonical-path';
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import { load as loadJson } from 'cjson';
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import { readFileSync } from 'fs';
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import { get as httpGet } from 'http';
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import { get as httpsGet } from 'https';
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import { processNavigationUrls } from '../../../../packages/service-worker/config/src/generator';
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import { FirebaseRedirector, FirebaseRedirectConfig } from '../../../tools/firebase-test-utils/FirebaseRedirector';
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const AIO_DIR = resolvePath(__dirname, '../../..');
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export function getRedirector() {
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return new FirebaseRedirector(loadRedirects());
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}
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export function getSwNavigationUrlChecker() {
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const config = loadJson(`${AIO_DIR}/ngsw-config.json`);
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const navigationUrlSpecs = processNavigationUrls('', config.navigationUrls);
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const includePatterns = navigationUrlSpecs
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.filter(spec => spec.positive)
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.map(spec => new RegExp(spec.regex));
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const excludePatterns = navigationUrlSpecs
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.filter(spec => !spec.positive)
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.map(spec => new RegExp(spec.regex));
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return (url: string) =>
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includePatterns.some(regex => regex.test(url))
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&& !excludePatterns.some(regex => regex.test(url));
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}
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export function loadRedirects(): FirebaseRedirectConfig[] {
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const pathToFirebaseJSON = `${AIO_DIR}/firebase.json`;
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const contents = loadJson(pathToFirebaseJSON);
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return contents.hosting.redirects;
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}
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export function loadLegacyUrls() {
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const pathToLegacyUrls = `${__dirname}/URLS_TO_REDIRECT.txt`;
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const urls = readFileSync(pathToLegacyUrls, 'utf8').split('\n').map(line => line.split('\t'));
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return urls;
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}
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export function loadLocalSitemapUrls() {
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const pathToSiteMap = `${AIO_DIR}/src/generated/sitemap.xml`;
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const xml = readFileSync(pathToSiteMap, 'utf8');
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return extractSitemapUrls(xml);
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}
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export async function loadRemoteSitemapUrls(host: string) {
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host = host.replace(/\/$/, '');
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const urlToSiteMap = `${host}/generated/sitemap.xml`;
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const get = /^https:/.test(host) ? httpsGet : httpGet;
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const xml = await new Promise<string>((resolve, reject) => {
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let responseText = '';
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get(urlToSiteMap, res => res
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.on('data', chunk => responseText += chunk)
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.on('end', () => resolve(responseText))
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.on('error', reject));
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});
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return extractSitemapUrls(xml);
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}
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// Private functions
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function extractSitemapUrls(xml: string) {
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// Currently, all sitemaps use `angular.io` as host in URLs (which is fine since we only use the
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// sitemap in `angular.io`). See also `aio/src/extra-files/*/robots.txt`.
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const host = 'https://angular.io';
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const urls: string[] = [];
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xml.replace(/<loc>([^<]+)<\/loc>/g, (_, loc) => urls.push(loc.replace(host, '')) as any);
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// Ensure none of the URLs contains the scheme/host.
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// (That would mean that the URL contains a different than expected host, which can in turn lead
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// to tests passing while they shouldn't).
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urls.forEach(url => {
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if (url.includes('://')) {
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throw new Error(`Sitemap URL (${url}) contains unexpected host. Expected: ${host}`);
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}
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});
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return urls;
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}
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