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/*** UTILITY ------------------------------------------ ***/
import { BaseFeed, escapeXML, type FeedOptions } from "./helper.ts";
interface AtomEntry {
content?: {
body: string;
type?: string;
};
id: string;
image?: string;
link: string;
summary: string;
title: string;
updated?: Date;
}
/*** EXPORT ------------------------------------------- ***/
export class FeedAtom extends BaseFeed<AtomEntry> {
constructor(options: FeedOptions) {
super(options);
}
build(): string {
const xmlParts: string[] = [
`<?xml version="1.0" encoding="UTF-8"?>\n`,
`<feed xmlns="http://www.w3.org/2005/Atom">\n`,
` <title>${escapeXML(this.options.title)}</title>\n`,
` <subtitle>${escapeXML(this.options.description)}</subtitle>\n`,
` <link rel="alternate" href="${escapeXML(this.options.link)}"/>\n`,
` <link rel="self" href="${escapeXML(this.options.link)}"/>\n`,
` <updated>${this.options.updated?.toISOString()}</updated>\n`,
` <generator>${this.options.generator || "the webb blog"}</generator>\n`,
` <id>${escapeXML(this.options.link)}</id>\n`
];
for (const author of this.options.authors) {
xmlParts.push(` <author>\n`);
if (author.name)
xmlParts.push(` <name>${escapeXML(author.name)}</name>\n`);
if (author.email)
xmlParts.push(` <email>${escapeXML(author.email)}</email>\n`);
if (author.link)
xmlParts.push(` <uri>${escapeXML(author.link)}</uri>\n`);
xmlParts.push(` </author>\n`);
}
if (this.options.icon) {
xmlParts.push(` <icon>${escapeXML(this.options.icon)}</icon>\n`);
xmlParts.push(` <logo>${escapeXML(this.options.icon)}</logo>\n`);
}
if (this.options.feed)
xmlParts.push(` <link rel="self" href="${escapeXML(this.options.feed)}"/>\n`);
for (const entry of this.items) {
xmlParts.push(
` <entry>\n`,
` <title type="html">${escapeXML(entry.title)}</title>\n`,
` <link href="${escapeXML(entry.link)}"/>\n`,
` <id>${escapeXML(entry.id)}</id>\n`,
` <updated>${entry.updated?.toISOString() || new Date().toISOString()}</updated>\n`,
` <summary type="html">${escapeXML(entry.summary)}</summary>\n`,
` <content type="${entry.content?.type || "html"}">${escapeXML(entry.content?.body || entry.summary)}</content>\n`,
entry.image ?
` <media:thumbnail url="${escapeXML(entry.image)}" />\n` :
"",
` </entry>\n`
);
}
for (const category of this.categories) {
xmlParts.push(` <category term="${escapeXML(category)}"/>\n`);
}
xmlParts.push("</feed>");
return xmlParts.join("");
}
}
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