Files
UpdaterWebLibrary/src/index.ts
2025-10-31 12:20:30 +00:00

110 lines
4.6 KiB
TypeScript

import { parseXml, XmlDocument, XmlElement, XmlText } from "@rgrove/parse-xml";
export type versionNotes = {
title: string;
date: Date | string;
link: string;
html: string;
}
export default class Updater {
public archiveURL: string;
public feedType: string;
constructor(archiveURL: string = "/", feedType: string = "atom") {
this.archiveURL = archiveURL;
this.feedType = feedType;
}
private async getRawArchive(): Promise<string> {
const res = await fetch(`http://cors.emaker.limited/?url=${this.archiveURL}.${this.feedType}`, {
// "mode": "cors"
});
const text = await res.text();
return text;
}
// atom feeds
private atomGetVersionDetails(entry: XmlElement): versionNotes {
let outEntry: versionNotes = {title: "", date: new Date, link: "", html: ""};
entry.children.forEach((elm) => {
let element = elm as XmlElement;
if (element.name == "title") {
outEntry.title = (element.children[0] as XmlText).text;
}
else if (element.name == "date") {
outEntry.date = new Date((element.children[0] as XmlText).text);
}
else if (element.name == "link") {
outEntry.link = element.attributes["href"];
} else if (element.name == "content") {
outEntry.html = (element.children[0] as XmlText).text;
}
})
return outEntry;
}
private async atomGetArchive(): Promise<versionNotes[]> {
const rawArchive: string = await this.getRawArchive();
const releaseNotes: XmlDocument = parseXml(rawArchive);
const output: versionNotes[] = [];
// console.dir(releaseNotes)
(releaseNotes.children[0] as XmlElement).children.forEach((elm) => {
if (elm.type == "element") {
const element = elm as XmlElement;
if (element.name == "entry") {
output.push(this.atomGetVersionDetails(element))
}
}
});
return output;
}
// rss feeds
private rssGetVersionDetails(entry: XmlElement): versionNotes {
let outEntry: versionNotes = {title: "", date: new Date, link: "", html: ""};
entry.children.forEach((elm) => {
let element = elm as XmlElement;
if (element.name == "title") {
outEntry.title = (element.children[0] as XmlText).text;
}
else if (element.name == "pubDate") {
outEntry.date = (element.children[0] as XmlText).text;
}
else if (element.name == "link") {
outEntry.link = (element.children[0] as XmlText).text;
} else if (element.name == "content") {
outEntry.html = (element.children[0] as XmlText).text;
}
})
return outEntry;
}
private async rssGetArchive(): Promise<versionNotes[]> {
const rawArchive: string = await this.getRawArchive();
const releaseNotes: XmlDocument = parseXml(rawArchive);
const output: versionNotes[] = [];
((releaseNotes.children[0] as XmlElement).children[1] as XmlElement).children.forEach((elm) => {
if (elm.type == "element") {
const element = elm as XmlElement;
if (element.name == "item") {
output.push(this.atomGetVersionDetails(element))
}
}
})
return output;
}
public async getArchive(): Promise<versionNotes[]> {
if (this.feedType == "atom") {
return this.atomGetArchive()
} else if (this.feedType == "rss"){
return this.rssGetArchive()
}
}
}