lobo
54b93055ba
Fonts come from npm, not Google, so no third-party font requests. Pages are prerendered at build time; browser-only code is guarded. nginx serves per-route HTML, a real 404 and gzip.
79 lines
2.5 KiB
JavaScript
79 lines
2.5 KiB
JavaScript
#!/usr/bin/env node
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// Verifies the production build: every route has prerendered HTML with its own
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// canonical and og:url, the CSR shell exists, and no Google font host is left.
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import { existsSync, readFileSync, readdirSync } from 'node:fs';
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import { join, dirname } from 'node:path';
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import { fileURLToPath } from 'node:url';
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const root = join(dirname(fileURLToPath(import.meta.url)), '..');
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const distDir = join(root, 'dist', 'playground-frontend', 'browser');
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const ORIGIN = 'https://andreas-dahm.eu';
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const FORBIDDEN_HOSTS = ['fonts.googleapis.com', 'fonts.gstatic.com'];
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function* walk(dir) {
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for (const entry of readdirSync(dir, { withFileTypes: true })) {
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const path = join(dir, entry.name);
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if (entry.isDirectory()) {
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yield* walk(path);
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} else {
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yield path;
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}
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}
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}
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function routePaths() {
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const constants = readFileSync(join(root, 'src', 'app', 'constants', 'RouterConstants.ts'), 'utf8');
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const paths = [...constants.matchAll(/PATH: '([^']+)'/g)].map(match => match[1]);
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return ['', ...paths];
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}
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function checkRoute(route, failures) {
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const file = join(distDir, route, 'index.html');
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if (!existsSync(file)) {
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failures.push(`missing ${file}`);
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return;
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}
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const html = readFileSync(file, 'utf8');
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const url = `${ORIGIN}/${route}`;
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const label = route || '/';
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if (!html.includes(`rel="canonical" href="${url}"`) && !html.includes(`href="${url}" rel="canonical"`)) {
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failures.push(`${label}: canonical is not ${url}`);
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}
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if (!html.includes(`property="og:url" content="${url}"`) && !html.includes(`content="${url}" property="og:url"`)) {
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failures.push(`${label}: og:url is not ${url}`);
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}
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if (!/<title>[^<]+<\/title>/.test(html)) {
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failures.push(`${label}: empty <title>`);
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}
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}
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function checkForbiddenHosts(failures) {
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for (const file of walk(distDir)) {
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const content = readFileSync(file, 'latin1');
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for (const host of FORBIDDEN_HOSTS) {
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if (content.includes(host)) {
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failures.push(`${file} references ${host}`);
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}
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}
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}
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}
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if (!existsSync(distDir)) {
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console.error(`Build output not found: ${distDir}`);
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process.exit(1);
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}
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const failures = [];
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routePaths().forEach(route => checkRoute(route, failures));
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if (!existsSync(join(distDir, 'index.csr.html'))) {
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failures.push('missing index.csr.html');
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}
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checkForbiddenHosts(failures);
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if (failures.length > 0) {
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console.error(`Prerender check failed:\n${failures.join('\n')}`);
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process.exit(1);
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}
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console.log('Prerender check passed.');
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