shadowfacts.net/lib/generate/rss.ts

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2019-01-04 18:14:53 +00:00
import { promises as fs } from "fs";
import ejs from "ejs";
import path from "path";
import { Page, PostMetadata } from "../metadata";
import * as util from "../util";
import { TutorialSeries } from "./tutorials";
async function generateFeed(posts: Page[], permalink: string, category?: string) {
posts = posts.sort((a, b) => {
const aDate = <Date>(<PostMetadata>a.metadata).date;
const bDate = <Date>(<PostMetadata>b.metadata).date;
return bDate.getTime() - aDate.getTime();
});
const dest = path.join(permalink, "feed.xml");
let text = (await fs.readFile("site/feed.xml.ejs")).toString();
text = ejs.render(text, {
posts,
category,
permalink,
feedPath: dest
}, {
filename: "site/feed.xml.ejs"
});
util.write(dest, text);
}
export default async function rss(posts: Page[], categories: Map<string, Page[]>, tutorials: TutorialSeries[]) {
generateFeed(posts, "/");
categories.forEach((posts, category) => {
generateFeed(posts, `/${category}/`, category);
});
tutorials.forEach(series => {
generateFeed(series.posts, `/tutorials/${series.series}/`, series.seriesName);
});
}