feedsmith/dist/feeds/rss/detect/index.js

Fast, all‑in‑one feed parser and generator for RSS, Atom, RDF, and JSON Feed, with support for Podcast, iTunes, Dublin Core, and OPML files.

import { isNonEmptyString } from "../../../common/utils.js";
//#region src/feeds/rss/detect/index.ts
const rssElementRegex = /(?:^|[\s>])<(?:\w+:)?rss[\s>]/im;
const versionAttributeRegex = /version\s*=\s*["'][^"']*["']/i;
const rssElementsRegex = /(<(channel|item|title|link|description|pubDate|guid)[\s>])/i;
const detect = (value) => {
	if (!isNonEmptyString(value)) return false;
	if (!rssElementRegex.test(value)) return false;
	const hasVersionAttribute = versionAttributeRegex.test(value);
	const hasRssElements = rssElementsRegex.test(value);
	return hasVersionAttribute || hasRssElements;
};
//#endregion
export { detect };