@bliztek/feed-generator/dist/feeds/rssFeed.js

A simple and lightweight Node.js library for generating RSS 2.0, Atom, and JSON Feed formats.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateRSSFeed = void 0;
const generateRSSFeed = (feedData) => {
    const { title, link, description, language, image, copyright, lastBuildDate, generator = "Bliztek RSS Generator", docs, managingEditor, webMaster, category, cloud, ttl, skipHours, skipDays, items = [], feedLinks, } = feedData;
    // Validate required fields
    if (!title || !description || !link) {
        throw new Error("Invalid feed data: title, description, and link are required.");
    }
    // Helper to generate optional tags
    const generateOptionalTag = (tag, value) => value ? `\t\t<${tag}>${value}</${tag}>` : "";
    // Generate <image> if provided
    const generateImage = (image, channelTitle) => image
        ? `\t\t<image>
  \t\t<url>${image.url}</url>
  \t\t\t<title>${channelTitle}</title>
  \t\t\t<link>${image.link || ""}</link>
  ${image.width ? `\t\t\t<width>${image.width}</width>` : ""}
  ${image.height ? `\t\t\t<height>${image.height}</height>` : ""}
  ${image.description
            ? `\t\t\t<description>${image.description}</description>`
            : ""}
\t\t</image>`
        : "";
    // Generate categories
    const generateCategories = (categories) => {
        if (!categories || categories.length === 0)
            return "";
        return categories
            .map((cat) => `\t\t<category${cat.domain ? ` domain="${cat.domain}"` : ""}>${cat.value}</category>`)
            .join("");
    };
    // Generate items
    const generateItems = (items) => items
        .map((item) => {
        var _a, _b, _c, _d, _e, _f;
        const itemParts = [
            `\t\t<item>`,
            `\t<title>${((_a = item.title) === null || _a === void 0 ? void 0 : _a.trim()) || "Untitled"}</title>`,
            `\t<link>${((_b = item.link) === null || _b === void 0 ? void 0 : _b.trim()) || ""}</link>`,
            `\t<guid isPermaLink="${item.link ? "true" : "false"}">${((_d = (_c = item.guid) === null || _c === void 0 ? void 0 : _c.value) === null || _d === void 0 ? void 0 : _d.trim()) || ((_e = item.link) === null || _e === void 0 ? void 0 : _e.trim()) || ""}</guid>`,
            `\t${generateOptionalTag("description", item.description
                ? `<![CDATA[${item.description.trim()}]]>`
                : undefined)}`,
            item.enclosure
                ? `\t<enclosure url="${item.enclosure.url.trim()}" type="${item.enclosure.type.trim()}" length="${item.enclosure.length}" />`
                : "",
            `\t<pubDate>${new Date(item.pubDate || lastBuildDate || new Date()).toUTCString()}</pubDate>`,
            `\t${generateOptionalTag("comments", (_f = item.comments) === null || _f === void 0 ? void 0 : _f.trim())}`,
            item.author ? `\t<author>${item.author.trim()}</author>` : "",
            `\t${generateCategories(item.category)}`,
            `</item>`,
        ];
        // Filter empty parts and join
        return itemParts.filter((part) => part.trim()).join("\n\t\t");
    })
        .join("\t\n");
    const selfLink = (feedLinks === null || feedLinks === void 0 ? void 0 : feedLinks.atom) || `${link}/atom.xml`;
    const atomLink = `\t\t<atom:link href="${selfLink}" rel="self" type="application/atom+xml" />`;
    // Assembling the feed dynamically
    const feedParts = [
        `<?xml version="1.0" encoding="UTF-8"?>`,
        `<rss version="2.0" 
         xmlns:atom="http://www.w3.org/2005/Atom" 
         xmlns:content="http://purl.org/rss/1.0/modules/content/" 
         xmlns:dc="http://purl.org/dc/elements/1.1/">`,
        `\t<channel>`,
        `\t\t<title>${title.trim()}</title>`,
        `\t\t<link>${link.trim()}</link>`,
        `\t\t<description>${description.trim()}</description>`,
        generateOptionalTag("language", language === null || language === void 0 ? void 0 : language.trim()),
        generateImage(image, title),
        generateOptionalTag("copyright", copyright === null || copyright === void 0 ? void 0 : copyright.trim()),
        generateOptionalTag("lastBuildDate", lastBuildDate === null || lastBuildDate === void 0 ? void 0 : lastBuildDate.trim()),
        generateOptionalTag("generator", generator === null || generator === void 0 ? void 0 : generator.trim()),
        generateOptionalTag("docs", docs === null || docs === void 0 ? void 0 : docs.trim()),
        generateOptionalTag("managingEditor", managingEditor === null || managingEditor === void 0 ? void 0 : managingEditor.trim()),
        generateOptionalTag("webMaster", webMaster === null || webMaster === void 0 ? void 0 : webMaster.trim()),
        generateCategories(category || []),
        generateOptionalTag("ttl", ttl ? ttl.toString().trim() : undefined),
        cloud
            ? `\t\t<cloud domain="${cloud.domain.trim()}" port="${cloud.port}" path="${cloud.path.trim()}" registerProcedure="${cloud.registerProcedure.trim()}" protocol="${cloud.protocol.trim()}" />`
            : "",
        (skipHours === null || skipHours === void 0 ? void 0 : skipHours.length)
            ? `\t\t<skipHours>${skipHours
                .map((hour) => `<hour>${hour}</hour>`)
                .join("")}</skipHours>`
            : "",
        (skipDays === null || skipDays === void 0 ? void 0 : skipDays.length)
            ? `\t\t<skipDays>${skipDays
                .map((day) => `<day>${day}</day>`)
                .join("")}</skipDays>`
            : "",
        atomLink,
        generateItems(items),
        `\t</channel>`,
        `</rss>`,
    ];
    // Join non-empty parts, ensuring no extra lines
    return feedParts
        .filter((part) => part.trim())
        .join("\n")
        .trim();
};
exports.generateRSSFeed = generateRSSFeed;