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freesewing/sites/shared/prebuild/feed.mjs
2022-06-17 12:02:09 +02:00

138 lines
3.9 KiB
JavaScript

import path from 'path'
import fs from 'fs'
import { Feed } from 'feed'
import { unified } from 'unified'
import remarkParse from 'remark-parse'
import remarkRehype from 'remark-rehype'
import rehypeSanitize from 'rehype-sanitize'
import rehypeStringify from 'rehype-stringify'
/*
* Helper method that creates an (empty) feed
*/
const i18n = {
org: {
blog: {
en: {
title: "Feed Title",
description: "This is my personal feed!",
id: "http://example.com/",
link: "http://example.com/",
language: "en",
copyright: "All rights reserved 2013, John Doe",
},
es: {
title: "Feed Title",
description: "This is my personal feed!",
id: "http://example.com/",
link: "http://example.com/",
language: "en",
copyright: "All rights reserved 2013, John Doe",
},
nl: {
title: "Feed Title",
description: "This is my personal feed!",
id: "http://example.com/",
link: "http://example.com/",
language: "en",
copyright: "All rights reserved 2013, John Doe",
},
de: {
title: "Feed Title",
description: "This is my personal feed!",
id: "http://example.com/",
link: "http://example.com/",
language: "en",
copyright: "All rights reserved 2013, John Doe",
},
fr: {
title: "Feed Title",
description: "This is my personal feed!",
id: "http://example.com/",
link: "http://example.com/",
language: "en",
copyright: "All rights reserved 2013, John Doe",
},
},
showcase: {
}
},
dev: {
blog: {
en: {
title: "Feed Title",
description: "This is my personal feed!",
id: "http://example.com/",
link: "http://example.com/",
language: "en",
copyright: "All rights reserved 2013, John Doe",
},
}
}
}
const postBody = async markdown => String(await unified()
.use(remarkParse)
.use(remarkRehype)
.use(rehypeSanitize)
.use(rehypeStringify)
.process(markdown)
)
/* Creates a feed */
export const writeFeed = async (site, type, lang, posts) => {
const date = new Date()
const feed = new Feed({
...i18n[site][type][lang],
id: `https://next.freesewing.${site}/${type}`, // FIXME: Remove next
link: `https://next.freesewing.${site}/${type}`, // FIXME: Remove next
language: lang,
image: `https://freesewing.org/share/${lang}.wide.png`, // FIXME: Update to new location
favicon: "https://freesewing.org/favicon.svg",
copyright: `All rights reserved ${date.getFullYear()}, Joost De Cock & FreeSewing contributors`,
feedLinks: {
atom: `https://freesewing.${site}/feeds/${type}-${lang}.atom.xml`,
json: `https://freesewing.${site}/feeds/${type}-${lang}.json`,
rss: `https://freesewing.${site}/feeds/${type}-${lang}.rss.xml`,
},
author: {
name: "FreeSewing",
email: "info@freesewing.org",
link: "https://freesewing.org"
}
})
for (const post of posts) {
const url = `https://freesewing.${site}/${lang === 'en' ? '' : lang+'/'}${type}/${post.slug}`
feed.addItem({
title: post.title,
id: url,
link: url,
description: post.title,
content: (await postBody(post.body)),
author: [{
name: type === 'blog'
? post.author.displayname
: post.maker.displayname
}],
date: new Date(post.date),
image: `https://posts.freesewing.org/${post.image.url}`
})
}
const files = {}
files[`${type}-${lang}.atom.xml`] = feed.atom1()
files[`${type}-${lang}.json`] = feed.json1()
files[`${type}-${lang}.rss.xml`] = feed.rss2()
// Write to disc, one file per per format
for (const [file, content] of Object.entries(files)) {
console.log(`Writing feed: ${file}`)
fs.writeFileSync(
path.resolve('..', site, 'public', 'feeds', file),
content
)
}
}