feat(Keyboard): Add toggle wishlist with W

#104

README.md

@@ -37,6 +37,7 @@ Add multiple features to <a href="https://www.bandcamp.com/">bandcamp.com</a>
 - `C` copy track info
 - `N` next track
 - `P` previous track
+- `W` toggle wishlist
 - `Shift + P` play first track
 - `→` seek 10 sec forward
 - `←` seek 10 sec backward

src/app/controllers/keyboard.controller.ts

@@ -7,6 +7,7 @@ type Keys =
   | 'KeyC'
   | 'KeyP'
   | 'KeyN'
+  | 'KeyZ'
   | 'ArrowUp'
   | 'ArrowDown'
   | 'ArrowLeft'
@@ -57,16 +58,21 @@ export class KeyboardController {
       Space: () => BandcampFacade.getPlay().click(),
       KeyP: () => BandcampFacade.getPrevious().click(),
       KeyN: () => BandcampFacade.getNext().click(),
+      KeyZ: () => BandcampFacade.toggleWishlist(),
       ArrowRight: () => BandcampFacade.seekForward(),
       ArrowLeft: () => BandcampFacade.seekBackward(),
       ArrowUp: () => this.controllers.volume.increaseVolume(),
       ArrowDown: () => this.controllers.volume.decreaseVolume(),
     };
   }
 
+  private static isBody(target: EventTarget): boolean {
+    return target instanceof Element && target.tagName.toUpperCase() === 'BODY';
+  }
+
   private static handleKeyboard() {
     document.addEventListener('keydown', (e) => {
-      if (!(e.target instanceof Element && e.target.tagName.toUpperCase() === 'BODY')) {
+      if (!(this.isBody(e.target))) {
         return;
       }
 

src/app/facades/bandcamp.facade.ts

@@ -130,6 +130,19 @@ export class BandcampFacade {
     firstPlayButton.click();
   }
 
+  public static toggleWishlist(): void {
+    const wishlist = document.querySelector('#collect-item');
+    const {className} = wishlist;
+
+    if (className.includes('wishlisted')) {
+      const el = wishlist.children[1] as HTMLSpanElement;
+      el.click();
+    } else if (className.includes('wishlist')) {
+      const el = wishlist.firstElementChild as HTMLSpanElement;
+      el.click();
+    }
+  }
+
   public static rectifyMargins(): void {
     const player = BandcampFacade.getPlayer();
     const tracks = BandcampFacade.getTracks();