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const { promises: fs, statSync } = require("fs");
const path = require("path");
const RSS = require("rss");
const matter = require("gray-matter");
function dateSortDesc(a, b) {
const date1 = new Date(a.data.date);
const date2 = new Date(b.data.date);
if (date1 > date2) return -1;
if (date1 < date2) return 1;
return 0;
}
async function generate() {
const feed = new RSS({
title: "HydroRoll Blog",
description: "HydroRoll news, updates, and announcements.",
site_url: "https://hydroroll.retrofor.space",
feed_url: "https://hydroroll.retrofor.space/feed.xml",
image_url: "https://hydroroll.retrofor.space/api/og",
});
const posts = await fs.readdir(path.join(__dirname, "..", "pages", "blog"));
const sortedData = [];
for (const post of posts) {
if (post.startsWith("index.") || post.startsWith("_meta.json")) continue;
const file = await fs.readFile(
path.join(__dirname, "..", "pages", "blog", post)
);
sortedData.push({ ...matter(file), slug: post.replace(".mdx", "") });
}
// sort by date
sortedData.sort(dateSortDesc);
for (const frontmatter of sortedData) {
// get the og image size
const stat = statSync(
path.join(__dirname, "..", "public", frontmatter.data.ogImage)
);
feed.item({
title: frontmatter.data.title,
url: "https://hydroroll.retrofor.space/blog/" + frontmatter.slug, // intentionally including slash here
date: frontmatter.data.date,
description: frontmatter.data.description,
enclosure: {
url: "https://hydroroll.retrofor.space" + frontmatter.data.ogImage, // intentionally omitting slash here
type: "image/png",
size: stat.size,
},
});
}
await fs.writeFile("./public/feed.xml", feed.xml({ indent: true }));
}
generate();
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