schmelczer-dev/scripts/check-links.mjs
2026-06-11 21:35:45 +01:00

94 lines
2.7 KiB
JavaScript

import { readFile } from 'node:fs/promises';
import path from 'node:path';
import { dist, requireDist, resolveFile } from './lib/dist.mjs';
import { walk } from './lib/walk.mjs';
const allowedPreservedRoutes = new Set(['/fleeting/', '/reconcile/']);
const failures = [];
async function targetExists(pathname) {
if (allowedPreservedRoutes.has(pathname)) return true;
return (await resolveFile(pathname)) !== null;
}
await requireDist();
const files = await walk(dist);
const checkedFiles = files.filter((file) => /\.(html|xml|css|webmanifest)$/.test(file));
function pagePathname(file) {
const rel = path.relative(dist, file).replaceAll(path.sep, '/');
if (rel === 'index.html') return '/';
if (rel.endsWith('/index.html')) return `/${rel.slice(0, -'index.html'.length)}`;
return `/${rel}`;
}
function collectUrlReferences(body, rel) {
const urls = [];
for (const match of body.matchAll(/\b(?:href|src|poster)=["']([^"']+)["']/g)) {
urls.push(match[1]);
}
for (const match of body.matchAll(/\bsrcset=["']([^"']+)["']/g)) {
for (const candidate of match[1].split(',')) {
const url = candidate.trim().split(/\s+/)[0];
if (url) urls.push(url);
}
}
if (rel.endsWith('.css')) {
for (const match of body.matchAll(/url\(\s*['"]?([^'")]+)['"]?\s*\)/g)) {
urls.push(match[1]);
}
}
if (rel.endsWith('.webmanifest')) {
try {
const manifest = JSON.parse(body);
for (const key of ['start_url', 'scope']) {
if (typeof manifest[key] === 'string') urls.push(manifest[key]);
}
for (const icon of manifest.icons ?? []) {
if (typeof icon?.src === 'string') urls.push(icon.src);
}
for (const screenshot of manifest.screenshots ?? []) {
if (typeof screenshot?.src === 'string') urls.push(screenshot.src);
}
} catch {
failures.push(`${rel}: invalid web manifest JSON`);
}
}
return urls;
}
for (const file of checkedFiles) {
const body = await readFile(file, 'utf8');
const rel = path.relative(dist, file);
const baseUrl = new URL(pagePathname(file), 'https://schmelczer.dev');
for (const raw of collectUrlReferences(body, rel)) {
if (/^(mailto:|tel:|data:)/i.test(raw)) continue;
let parsed;
try {
parsed = new URL(raw, baseUrl);
} catch {
failures.push(`${rel}: invalid URL ${raw}`);
continue;
}
if (parsed.origin !== 'https://schmelczer.dev') continue;
if (!(await targetExists(parsed.pathname))) {
failures.push(`${rel}: missing local target ${parsed.pathname}`);
}
}
}
if (failures.length > 0) {
console.error(failures.join('\n'));
process.exit(1);
}
console.log('No missing local href/src targets found in dist/.');