feat: add support for music search filters

lib/parser/contents/classes/Message.js

@@ -6,7 +6,7 @@ class Message {
   type = 'messageRenderer'
   
   constructor(data) {
-    this.text = new Text(data.text);
+    this.text = new Text(data.text).toString();
   }
 }
 

lib/parser/contents/index.js

@@ -13,6 +13,7 @@ class AppendContinuationItemsAction {
   }
 }
 
+/** @namespace */
 class ReloadContinuationItemsCommand {
   type = 'reloadContinuationItemsCommand';
     
@@ -108,7 +109,7 @@ class Parser {
       const keys = Object.keys(data);
       const classname = this.sanitizeClassName(keys[0]);
       
-      if (this.shouldIgnore(classname)) return;
+      if (this.shouldIgnore(classname))return;
           
       try {
         const TargetClass = require('./classes/' + classname);

lib/parser/youtube/VideoInfo.js

@@ -63,7 +63,7 @@ class VideoInfo {
     /**
      * @type {import('../contents/classes/MerchandiseShelf')}
      */
-    this.merchandise = results?.get({ type: 'merchandiseShelfRenderer' }) || {};
+    this.merchandise = results?.get({ type: 'merchandiseShelfRenderer' }) || null;
     
     /**
      * @type {import('../contents/classes/ChipCloud')}
@@ -152,7 +152,7 @@ class VideoInfo {
     return this.watch_next_feed;
   }
   
-  /** @type {string} */
+  /** @type {string[]} */
   get filters() {
     return this.related_chip_cloud?.chips.map((chip) => chip.text) || [];
   }

lib/parser/ytmusic/Search.js

@@ -9,6 +9,7 @@ class Search {
   #actions;
   #continuation;
   #shelf_title;
+  #header;
   
   /**
    * @param {object} response - API response.
@@ -27,6 +28,8 @@ class Search {
     const shelves = tab.content.contents;
     
     const item_section = shelves.get({ type: 'itemSectionRenderer' });
+ 
+    this.#header = tab.content.header;
     
     /**
      * @type {import('../contents/classes/DidYouMean')}
@@ -38,7 +41,7 @@ class Search {
      */
     this.showing_results_for = item_section?.contents.get({ type: 'showingResultsForRenderer' }) || null;
     
-    this.did_you_mean || this.showing_results_for && shelves.shift();
+    (!!this.did_you_mean || !!this.showing_results_for) && shelves.shift();
     
     if (is_continuation) {
       const shelf = shelves.get({ type: 'musicShelfRenderer' });
@@ -78,9 +81,32 @@ class Search {
     return this;
   }
   
+    /**
+   * Applies given filter to the search.
+   * @param {string} name
+   * @returns {Promise.<Search>}
+   */
+  async selectFilter(name) {
+    if (!this.filters.includes(name))
+      throw new InnertubeError('Invalid filter', { available_filters: this.filters });
+    
+    const filter = this.#header.chips.get({ text: name });
+    if (filter.is_selected) return this;
+    
+    const response = await filter.endpoint.call(this.#actions, 'YTMUSIC');
+    
+    return new Search(response, this.#actions, true);
+  }
+  
+  /** @type {boolean} */
   get has_continuation() {
     return !!this.#continuation;
   }
+  
+  /** @type {string[]} */
+  get filters() {
+    return this.#header.chips.map((chip) => chip.text);
+  }
  
   /** @type {import('../contents/classes/MusicResponsiveListItem')[]} */
   get songs() {