fix "who reacted" emoji display

fixes #80

src/components/emoji_reactions/emoji_reactions.js

@@ -27,7 +27,11 @@ const EmojiReactions = {
     },
     accountsForEmoji () {
       return this.status.emoji_reactions.reduce((acc, reaction) => {
+        if (reaction.url) {
+          acc[reaction.url] = reaction.accounts || []
+        } else {
           acc[reaction.name] = reaction.accounts || []
+        }
         return acc
       }, {})
     },
@@ -42,6 +46,14 @@ const EmojiReactions = {
     reactedWith (emoji) {
       return this.status.emoji_reactions.find(r => r.name === emoji).me
     },
+    isLocalReaction (emojiUrl) {
+      if (!emojiUrl) return true
+      const reacted = this.accountsForEmoji[emojiUrl]
+      if (reacted.length === 0) {
+        return true
+      }
+      return reacted[0].is_local
+    },
     fetchEmojiReactionsByIfMissing () {
       const hasNoAccounts = this.status.emoji_reactions.find(r => !r.accounts)
       if (hasNoAccounts) {

src/components/emoji_reactions/emoji_reactions.vue

@@ -2,12 +2,13 @@
   <div class="emoji-reactions">
     <UserListPopover
       v-for="(reaction) in emojiReactions"
-      :key="reaction.name"
+      :key="reaction.url || reaction.name"
-      :users="accountsForEmoji[reaction.name]"
+      :users="accountsForEmoji[reaction.url || reaction.name]"
     >
       <button
         class="emoji-reaction btn button-default"
         :class="{ 'picked-reaction': reactedWith(reaction.name), 'not-clickable': !loggedIn }"
+        :disabled="!isLocalReaction(reaction.url)"
         @click="emojiOnClick(reaction.name, $event)"
         @mouseenter="fetchEmojiReactionsByIfMissing()"
       >

src/components/rich_content/rich_content.jsx

@@ -148,6 +148,7 @@ export default {
       mfmHtml.innerHTML = marked.parse(content)
 
       // Add options with set values to CSS
+      if (mfmHtml.content.firstChild) {
         Array.from(mfmHtml.content.firstChild.getElementsByClassName('mfm')).map((el) => {
           if (el.dataset.speed) {
             el.style.animationDuration = el.dataset.speed
@@ -162,6 +163,7 @@ export default {
             }
           }
         })
+      }
 
       return mfmHtml.innerHTML
     }