feedsmith/dist/opml/generate/utils.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 { generateBoolean, generateCdataString, generateCsvOf, generateNumber, generatePlainString, generateRfc822Date, isObject, isPresent, trimArray, trimObject } from "../../common/utils.js";
//#region src/opml/generate/utils.ts
const generateOutline = (outline, options) => {
	if (!isObject(outline)) return;
	const value = {
		"@text": generatePlainString(outline.text),
		"@type": generatePlainString(outline.type),
		"@isComment": generateBoolean(outline.isComment),
		"@isBreakpoint": generateBoolean(outline.isBreakpoint),
		"@created": generateRfc822Date(outline.created),
		"@category": generatePlainString(outline.category),
		"@description": generatePlainString(outline.description),
		"@xmlUrl": generatePlainString(outline.xmlUrl),
		"@htmlUrl": generatePlainString(outline.htmlUrl),
		"@language": generatePlainString(outline.language),
		"@title": generatePlainString(outline.title),
		"@version": generatePlainString(outline.version),
		"@url": generatePlainString(outline.url),
		outline: trimArray(outline.outlines, (item) => generateOutline(item, options))
	};
	if (options?.extraOutlineAttributes) for (const attribute of options.extraOutlineAttributes) {
		const attributeKey = `@${attribute}`;
		if (!isPresent(outline[attribute])) continue;
		value[attributeKey] = generatePlainString(outline[attribute]);
	}
	return trimObject(value);
};
const generateHead = (head) => {
	if (!isObject(head)) return;
	return trimObject({
		title: generateCdataString(head.title),
		dateCreated: generateRfc822Date(head.dateCreated),
		dateModified: generateRfc822Date(head.dateModified),
		ownerName: generateCdataString(head.ownerName),
		ownerEmail: generateCdataString(head.ownerEmail),
		ownerId: generateCdataString(head.ownerId),
		docs: generateCdataString(head.docs),
		expansionState: generateCsvOf(head.expansionState, generateNumber),
		vertScrollState: generateNumber(head.vertScrollState),
		windowTop: generateNumber(head.windowTop),
		windowLeft: generateNumber(head.windowLeft),
		windowBottom: generateNumber(head.windowBottom),
		windowRight: generateNumber(head.windowRight)
	});
};
const generateBody = (body, options) => {
	if (!isObject(body)) return;
	return trimObject({ outline: trimArray(body.outlines, (item) => generateOutline(item, options)) });
};
const generateDocument = (opml, options) => {
	if (!isObject(opml)) return;
	const value = trimObject({
		"@version": "2.0",
		head: generateHead(opml.head),
		body: generateBody(opml.body, options)
	});
	if (value?.body !== void 0) return { opml: value };
};
//#endregion
export { generateBody, generateDocument, generateHead, generateOutline };