v1.5.0: Complete documentation rewrite - 50+ files with AlisaReactionBot style

- Box-style header comments (Project, Author, License) on every file
- Section headers using double-line box decorators
- Feature markers (// ---- FEATURE: XYZ ----) before every major function
- JSDoc comments for EVERY function with @param, @returns, @example
- Inline notes (NOTE, WARNING, TIP) for non-obvious logic
- Footer END markers on every module
- Matched code style to AlisaReactionBot repository
- All files now searchable by feature name via grep

Author: Shinei Nouzen <157171073+Shineii86@users.noreply.github.com>

src/extractors/trending.extractor.js

@@ -1,14 +1,57 @@
+/*
+ * ======= • ======= • ======= • ======= • =======• =======
+ * AniKatoAPI — trending.extractor.js
+ * Repository: https://github.com/Shineii86/AniKatoAPI
+ *
+ * @description
+ *   Extracts trending and recently updated anime from the homepage.
+ *   Scrapes both the updated section and recent updates section.
+ *
+ * @exports
+ *   extractTrending
+ *
+ * @author  Shinei Nouzen
+ * @license MIT
+ * ======= • ======= • ======= • ======= • =======• =======
+ */
+
 import * as cheerio from "cheerio";
 import axios from "axios";
 import { headers } from "../configs/header.config.js";
 import { URLS } from "../configs/dataUrl.js";
 
+// ══════════════════════════════════════════════════════════════
+// TRENDING EXTRACTION
+// ══════════════════════════════════════════════════════════════
+
+// ---- FEATURE: Extract trending and recently updated anime ----
+/**
+ * Fetches and parses trending anime from the homepage.
+ * Combines results from both the updated section and recent updates section.
+ *
+ * @returns {Promise<Array<Object>>} Array of trending anime objects
+ * @returns {string} return.slug - URL slug for the anime
+ * @returns {string} return.poster - Poster image URL
+ * @returns {string} return.title - English title
+ * @returns {string} return.japaneseTitle - Japanese title
+ * @returns {number} return.sub - Subbed episode count
+ * @returns {number} return.dub - Dubbed episode count
+ * @returns {number} return.total - Total episode count
+ * @returns {string} return.type - Anime type (TV, Movie, etc.)
+ *
+ * @example
+ *   const trending = await extractTrending();
+ *   console.log(trending[0].title);
+ */
 const extractTrending = async () => {
   try {
+    // NOTE: Trending data is split across multiple sections on the homepage
     const { data } = await axios.get(URLS.home, { headers });
     const $ = cheerio.load(data);
 
     const trending = [];
+
+    // NOTE: This selector targets both the updated section and recent updates
     $(".section-updated .item, #recent-update .item").each((i, el) => {
       const slug = $(el).find("a.name.d-title").attr("href")?.split("/watch/").pop() || "";
       const poster = $(el).find(".poster img").attr("src") || "";
@@ -19,6 +62,7 @@ const extractTrending = async () => {
       const total = parseInt($(el).find(".ep-status.total span").text().trim()) || 0;
       const type = $(el).find(".meta .inner .right").text().trim() || "";
 
+      // NOTE: Only include items with valid slugs
       if (slug) {
         trending.push({
           slug,
@@ -39,4 +83,6 @@ const extractTrending = async () => {
   }
 };
 
-export { extractTrending };
+export { extractTrending };
+
+// ══════════════════════════════════════════════════════════════ END: trending.extractor.js