Worked on parsing

main.ts

@@ -1,5 +1,6 @@
 import { Mwn } from 'npm:mwn'
 import process from "node:process";
+import { parseSummary } from "./parse.ts";
 
 async function getWorkshopVideos(bot: Mwn): Promise<string[]> {
   const response = await bot.request({
@@ -14,10 +15,10 @@ async function getWorkshopVideos(bot: Mwn): Promise<string[]> {
   }
 
   // Extract and print the file titles
-  return response.query.allimages.map(image => image.title);
+  return response.query.allimages.map(function (image: { title: string }) { return image.title });
 }
 
-interface VideoDescription {
+export interface VideoDescription {
   teachers: string[]
   location: string
   event: string
@@ -27,62 +28,6 @@ interface VideoDescription {
   notes: string
 }
 
-function parseTemplate(description: string): Record<string, string> {
-
-  const templateRegex = /{{(.*DanceWorkshopDescription.*)}}/s;
-
-  const match = description.match(templateRegex);
-
-  if (!match) {
-    throw new Error("Could not find template")
-  }
-
-  const propertyRegex = /\|\s*(?<key>[^|]*?)\s*=(?<value>[^|]*?)\s*$/gm
-  const properties = match[1].matchAll(propertyRegex).map(v => ({ [v.groups['key']]: v.groups['value'] }))
-  return properties
-}
-
-function parseSummary(description: string, name: string): VideoDescription {
-  const properties = parseTemplate(description)
-
-  const b: Partial<VideoDescription> = {};
-
-  if (Object.hasOwn(properties, 'teachers')) {
-    console.warn(`Page ${name} has old template usage [contains 'teachers' key]`)
-    const t = properties['teachers'].split('&').map(item => item.trim());
-    b.teachers = t
-  } else {
-    b.teachers = [properties['leader'], properties['follower']].filter(v => v !== undefined)
-  }
-
-  b.location = properties['location']
-  b.date = properties['date']
-  b.level = properties['level']
-
-  b.event = properties['event'] || b.location
-
-  if (!Object.hasOwn(properties, 'patterns')) {
-    console.warn(`Page ${name} has old template usage [no 'patterns' key]`)
-    const patternsRegex = /===\s*Shown Patterns\s*===\s*(?<patterns>(^\s*\*+.*$\s+)+)/gm
-    const match = description.match(patternsRegex)
-    if (!match) {
-      throw new Error("Could not find \"Shown Patterns\"")
-    }
-    b.patterns = match.groups['patterns']
-  }
-  if (!Object.hasOwn(properties, 'notes')) {
-    console.warn(`Page ${name} has old template usage [no 'patterns' key]`)
-    const notesRegex = /===\s*Notes\s*===\s*(?<notes>(^\s*:+.*$\s+)+)/gm
-    const match = description.match(notesRegex)
-    if (!match) {
-      throw new Error("Could not find \"Notes\"")
-    }
-    b.notes = match.groups['notes']
-  }
-
-  return b
-}
-
 
 async function main() {
   const bot = new Mwn({
@@ -99,7 +44,13 @@ async function main() {
     await bot.login();
     const relevantFiles = await getWorkshopVideos(bot)
     const file_content = await bot.read(relevantFiles[0])
+    if (file_content.revisions === undefined) {
+      throw new Error("Page has no revisions")
+    }
     const content = file_content.revisions[0].content
+    if (content === undefined) {
+      throw new Error("Latest revision has no content")
+    }
     console.log(content)
     parseSummary(content, relevantFiles[0])
   } catch (error) {