feedsmith/dist/feeds/json/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, isObject, parseJsonObject } from "../../../common/utils.js";
import { createCaseInsensitiveGetter } from "../parse/utils.js";
//#region src/feeds/json/detect/index.ts
const detect = (value) => {
	const json = parseJsonObject(value);
	if (!isObject(json)) return false;
	const get = createCaseInsensitiveGetter(json);
	const version = get("version");
	if (isNonEmptyString(version)) return version.includes("jsonfeed.org/version/");
	const hasTitle = isNonEmptyString(get("title"));
	const hasItems = Array.isArray(get("items"));
	const hasJsonFeedProps = !!(get("home_page_url") || get("feed_url") || get("authors"));
	return hasTitle && (hasItems || hasJsonFeedProps);
};
//#endregion
export { detect };