functional initial version

src/index.ts

@@ -1,3 +1,6 @@
+import * as types from "@/types"; 
+import { parseXml, XmlDocument, XmlElement, XmlText } from "@rgrove/parse-xml";
+
 export default class Updater {
         public archiveURL: string;
         public feedType: string;
@@ -6,11 +9,49 @@ export default class Updater {
                 this.feedType = feedType;
         }
         
-        async getArchive(): Promise<Response> {
+        private async getRawArchive(): Promise<string> {
                 const res = await fetch(`${this.archiveURL}.${this.feedType}`, {
                         "mode": "cors"
                 });
-                return res;
+                const text = await res.text();
+                return text;
+        }
+
+        private getVersionDetails(entry: XmlElement): types.versionNotes {
+                let outEntry: types.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;
+        }
+
+        public async getArchive(): Promise<types.versionNotes[]> {
+                const rawArchive: string = await this.getRawArchive();
+                const releaseNotes: XmlDocument = parseXml(rawArchive);
+
+                const output: types.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.getVersionDetails(element))
+                                }
+                        }
+                });
+                return output;
         }
 }