chore: add listener for favorite changes

packages/search-site/src/index.ejs

@@ -194,6 +194,19 @@
         set: (id, val) => localStorage.setItem(id, JSON.stringify(val)),
       };
 
+      // listeners
+      emitter.on('favorite', ({ id, isFav }) => {
+          const favs = store.get('favorites') || [];
+          const idx = favs.indexOf(id);
+
+          // remove previously favorited strain
+          if (idx >= 0 && !isFav) {
+            store.set('favorites', favs.filter(f => f !== id));
+          } else if (idx === -1 && isFav) {
+            store.set('favorites', favs.concat(id));
+          }
+      });
+
       // vue helpers
       Vue.filter('capitalize', value => {
         if (!value) return '';