Ivan Li
de1da22508
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Co-authored-by: Ivan Li <ivanli2048@gmail.com> Reviewed-on: #3
63 lines
2.4 KiB
JavaScript
63 lines
2.4 KiB
JavaScript
import { writeFileSync, mkdirSync } from 'fs'
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import path from 'path'
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import GithubSlugger from 'github-slugger'
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import { escape } from 'pliny/utils/htmlEscaper.js'
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import siteMetadata from '../data/siteMetadata.js'
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import tagData from '../app/tag-data.json' assert { type: 'json' }
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import { allBlogs } from '../.contentlayer/generated/index.mjs'
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const generateRssItem = (config, post) => `
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<item>
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<guid>${config.siteUrl}/blog/${post.slug}</guid>
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<title>${escape(post.title)}</title>
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<link>${config.siteUrl}/blog/${post.slug}</link>
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${post.summary && `<description>${escape(post.summary)}</description>`}
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<pubDate>${new Date(post.date).toUTCString()}</pubDate>
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<author>${config.email} (${config.author})</author>
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${post.tags && post.tags.map((t) => `<category>${t}</category>`).join('')}
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</item>
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`
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const generateRss = (config, posts, page = 'feed.xml') => `
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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
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<channel>
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<title>${escape(config.title)}</title>
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<link>${config.siteUrl}/blog</link>
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<description>${escape(config.description)}</description>
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<language>${config.language}</language>
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<managingEditor>${config.email} (${config.author})</managingEditor>
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<webMaster>${config.email} (${config.author})</webMaster>
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<lastBuildDate>${new Date(posts[0].date).toUTCString()}</lastBuildDate>
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<atom:link href="${config.siteUrl}/${page}" rel="self" type="application/rss+xml"/>
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${posts.map((post) => generateRssItem(config, post)).join('')}
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</channel>
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</rss>
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`
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async function generateRSS(config, allBlogs, page = 'feed.xml') {
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const publishPosts = allBlogs.filter((post) => post.draft !== true)
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// RSS for blog post
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if (publishPosts.length > 0) {
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const rss = generateRss(config, publishPosts)
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writeFileSync(`./public/${page}`, rss)
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}
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if (publishPosts.length > 0) {
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for (const tag of Object.keys(tagData)) {
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const filteredPosts = allBlogs.filter((post) =>
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post.tags.map((t) => GithubSlugger.slug(t)).includes(tag)
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)
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const rss = generateRss(config, filteredPosts, `tags/${tag}/${page}`)
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const rssPath = path.join('public', 'tags', tag)
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mkdirSync(rssPath, { recursive: true })
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writeFileSync(path.join(rssPath, page), rss)
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}
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}
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}
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const rss = () => {
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generateRSS(siteMetadata, allBlogs)
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console.log('RSS feed generated...')
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}
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export default rss
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