DeCentN2Madness
0b276e7b32
- add reusable live-site-faithful blog footer component - extract previous, next, and related post data from article content - remove duplicated footer fragments from multilingual articles - document the repeatable footer extraction workflow
59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
import fs from 'node:fs/promises';
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import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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import fg from 'fast-glob';
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const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
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const contentRoot = path.join(root, 'src/content/blog');
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const output = path.join(root, 'src/data/blog-footers.json');
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const footerHeading = /^### Similar Blog Posts\s*$/m;
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const navPattern = /^ ?(Previous Post|Next Post) ?\n\n###### \[([^\]]+)\]\(([^)]+)\)\s*$/gm;
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const relatedPattern = /!\[([^\]]*)\]\(([^)]+)\)\s*\n\n#### \[([^\]]+)\]\(([^)]+)\)/g;
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const routeFor = (lang, href) => {
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if (/^(?:https?:|mailto:|tel:|#|\/)/.test(href)) return href;
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const slug = href.replace(/^\.\.\//, '').replace(/^library\//, '');
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return `${lang === 'en' ? '' : `/${lang}`}/library/${slug}`;
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};
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const records = {};
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for (const file of await fg('**/*.{md,mdx}', { cwd: contentRoot, onlyFiles: true })) {
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const source = await fs.readFile(path.join(contentRoot, file), 'utf8');
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const heading = footerHeading.exec(source);
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if (!heading) continue;
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const [lang, filename] = file.split('/');
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const slug = filename.replace(/\.(?:md|mdx)$/, '');
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const before = source.slice(0, heading.index);
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const footer = source.slice(heading.index);
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const navigation = {};
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let firstNavIndex = heading.index;
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for (const match of before.matchAll(navPattern)) {
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firstNavIndex = Math.min(firstNavIndex, match.index);
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navigation[match[1] === 'Previous Post' ? 'previous' : 'next'] = {
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title: match[2],
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href: routeFor(lang, match[3])
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};
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}
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const related = [...footer.matchAll(relatedPattern)].map((match) => ({
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image: match[2],
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alt: match[1],
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title: match[3],
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href: routeFor(lang, match[4])
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}));
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records[`${lang}/${slug}`] = { ...navigation, related };
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await fs.writeFile(path.join(contentRoot, file), `${source.slice(0, firstNavIndex).trimEnd()}\n`);
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}
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const count = Object.keys(records).length;
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if (count === 0) {
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throw new Error('No blog footer fragments found; existing footer data was left unchanged.');
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}
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await fs.mkdir(path.dirname(output), { recursive: true });
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await fs.writeFile(output, `${JSON.stringify(records, null, 2)}\n`);
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console.log(`Extracted and removed footer fragments from ${count} blog posts.`);
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