Added title casing

write.ts

@@ -1,10 +1,71 @@
 import { VideoDescription } from "./main.ts";
 
+
+export const SMALL_WORDS = new Set([
+    "a",
+    "an",
+    "and",
+    "as",
+    "at",
+    "because",
+    "but",
+    "by",
+    "en",
+    "for",
+    "if",
+    "in",
+    "neither",
+    "nor",
+    "of",
+    "on",
+    "only",
+    "or",
+    "over",
+    "per",
+    "so",
+    "some",
+    "than",
+    "that",
+    "the",
+    "to",
+    "up",
+    "upon",
+    "v",
+    "versus",
+    "via",
+    "vs",
+    "when",
+    "with",
+    "without",
+    "yet",
+]);
+
+function capitalize(word: string): string {
+    return word.charAt(0).toUpperCase() + word.slice(1).toLowerCase();
+}
+
+function camelToTitleCase(camelCaseStr: string): string {
+    // Insert a space before each uppercase letter
+    const titleCaseStr = camelCaseStr.replace(/([A-Z])/g, ' $1');
+
+    // Split the string into words and process each word using map
+    const words = titleCaseStr.split(' ')
+        .map(v => v.toLowerCase())
+        .map(word => {
+            if (SMALL_WORDS.has(word)) {
+                return word;
+            }
+            return capitalize(word)
+        });
+
+    return capitalize(words.join(' '));
+}
+
 export function singleVideoDescription(video: VideoDescription): string {
     const teachersList = video.teachers.map(v => "[[" + v + "]]").join(" & ");
 
     const nagElement = video.nags.length > 0 ? `<span title="${video.nags.join("&#010;")}">🔴</span>` : "";
-    return `=== ${video.title} ===
+    return `=== ${camelToTitleCase(video.title)} ===
 Date: {{#time: Y-m-d (D) | ${video.date}}} ${nagElement}<br>
 Teachers: ${teachersList}<br>
 Level: ${video.level}
@@ -38,21 +99,23 @@ export function writeSections(events: VideoDescription[][]): string {
     }).join("\n\n\n")
 }
 
-export function bucketEvents(events: VideoDescription[]): VideoDescription[][] {
-    const buckets: Record<string, VideoDescription[]> = {}
-    for (const e of events) {
-        const tag = e.event + e.location + new Date(e.date).getFullYear().toString()
-        if (tag in buckets) {
-            buckets[tag].push(e)
-        } else {
-            buckets[tag] = [e]
-        }
-    }
+/**
+ * 
+ * @param videos 
+ * @returns Bucket of videos for of each event, grouped by `name`, `location` and `year`
+ */
+export function bucketEvents(videos: VideoDescription[]): VideoDescription[][] {
+    const buckets = Object.groupBy(videos, (video) => {
+        return `${video.event}${video.location}${new Date(video.date).getFullYear()}`;
 
-    Object.values(buckets)
-        .forEach(b =>
+    })
+
+    const sortedBuckets = Object.values(buckets)
+        .filter(v => v !== undefined)
+        .map(b =>
             b.sort((a, b) =>
                 new Date(a.date).getTime() - new Date(b.date).getTime()))
 
-    return Object.values(buckets).sort((a, b) => new Date(a[0].date).getTime() - new Date(b[0].date).getTime())
+    return sortedBuckets
+        .sort((a, b) => new Date(a[0].date).getTime() - new Date(b[0].date).getTime())
 }