blob: c3971bb3fabe8eddb17ec244bd36f16d3319ba4b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*** UTILITY ------------------------------------------ ***/
import { BaseFeed, escapeXML, type FeedOptions } from "./helper.ts";
interface RssItem {
content: {
body: string;
};
description: string;
id: string;
image?: string;
link: string;
title: string;
updated?: Date;
}
/*** EXPORT ------------------------------------------- ***/
export class FeedRSS extends BaseFeed<RssItem> {
constructor(options: FeedOptions) {
super(options);
}
build(): string {
const xmlParts: string[] = [
`<?xml version="1.0" encoding="UTF-8"?>\n`,
`<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/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:wfw="http://wellformedweb.org/CommentAPI/">\n`,
` <channel>\n`,
` <title><![CDATA[${escapeXML(this.options.title)}]]></title>\n`,
` <description><![CDATA[${escapeXML(this.options.description)}]]></description>\n`,
` <link>${escapeXML(this.options.link)}</link>\n`,
` <lastBuildDate>${this.options.updated?.toUTCString()}</lastBuildDate>\n`,
` <language>${this.options.language || "en-US"}</language>\n`,
` <generator>${escapeXML(this.options.generator || "the webb blog")}</generator>\n`,
` <atom:link href="${escapeXML(this.options.link)}" rel="self" type="application/rss+xml"/>\n`
];
if (this.options.authors.length > 0) {
const authorXml = this.options.authors.map((author) => {
const escapedEmail = author.email ? escapeXML(author.email) : "";
const escapedName = author.name ? escapeXML(author.name) : "";
const emailPart = escapedEmail ? `${escapedEmail} ` : "";
return (
` <webMaster>${emailPart}(${escapedName})</webMaster>\n` +
` <managingEditor>${emailPart}(${escapedName})</managingEditor>\n`
);
}).join("");
xmlParts.push(authorXml);
}
if (this.items.length > 0) {
const itemsXml = this.items.map((item) => {
const contentXml = item.content ?
` <content:encoded><![CDATA[${escapeXML(item.content.body)}]]></content:encoded>\n` :
"";
const imageXml = item.image ?
` <media:thumbnail url="${escapeXML(item.image)}" />\n` :
"";
return (
` <item>\n` +
` <title>${escapeXML(item.title)}</title>\n` +
` <link>${escapeXML(item.link)}</link>\n` +
` <guid>${escapeXML(item.id)}</guid>\n` +
` <pubDate>${item.updated?.toUTCString() || new Date().toUTCString()}</pubDate>\n` +
` <description>${escapeXML(item.description)}</description>\n` +
contentXml +
imageXml +
` </item>\n`
);
}).join("");
xmlParts.push(itemsXml);
}
xmlParts.push(` </channel>\n`, `</rss>`);
return xmlParts.join("");
}
}
|