created mergedConfig getter to avoid obnoxious checks for undefined everywhere

src/components/retweet_button/retweet_button.js

@@ -1,10 +1,9 @@
+import { mapGetters } from 'vuex'
+
 const RetweetButton = {
   props: ['status', 'loggedIn', 'visibility'],
   data () {
     return {
-      hidePostStatsLocal: typeof this.$store.state.config.hidePostStats === 'undefined'
-        ? this.$store.state.instance.hidePostStats
-        : this.$store.state.config.hidePostStats,
       animated: false
     }
   },
@@ -28,7 +27,8 @@ const RetweetButton = {
         'retweeted-empty': !this.status.repeated,
         'animate-spin': this.animated
       }
-    }
+    },
+    ...mapGetters(['mergedConfig'])
   }
 }
 

src/components/retweet_button/retweet_button.vue

@@ -7,7 +7,7 @@
         :title="$t('tool_tip.repeat')"
         @click.prevent="retweet()"
       />
-      <span v-if="!hidePostStatsLocal && status.repeat_num > 0">{{ status.repeat_num }}</span>
+      <span v-if="!mergedConfig.hidePostStats && status.repeat_num > 0">{{ status.repeat_num }}</span>
     </template>
     <template v-else>
       <i
@@ -23,7 +23,7 @@
       class="button-icon icon-retweet"
       :title="$t('tool_tip.repeat')"
     />
-    <span v-if="!hidePostStatsLocal && status.repeat_num > 0">{{ status.repeat_num }}</span>
+    <span v-if="!mergedConfig.hidePostStats && status.repeat_num > 0">{{ status.repeat_num }}</span>
   </div>
 </template>