midline-xml-expander/index.ts

import Koa from "koa";
import Axios from "axios";
import * as xml2js from "xml2js";

const app = new Koa();

app.use(async (ctx) => {
	try {
		const { data } = await Axios.get(
			"https://podcast.midline.pl/api/v1/channels/Midline/rss"
		);
		const builder = new xml2js.Builder();
		const parsed_data = await xml2js.parseStringPromise(data);
		parsed_data.rss.channel[0]["itunes:owner"][0]["itunes:email"] =
			"kontakt@midline.pl";

		ctx.body = builder.buildObject(parsed_data);
		ctx.type = "application/rss+xml";
	} catch (e) {
		console.error(e);
		ctx.body = "error";
		ctx.status = 500;
	}
});

app.listen(3000);