moved mentions into a separate component - MentionLine, added collapsing

of mentions when there's too many of 'em

src/components/mentions_line/mentions_line.vue

@@ -0,0 +1,42 @@
+<template>
+<span class="MentionsLine">
+  <MentionLink
+    v-for="mention in mentions"
+    class="mention-link"
+    :key="mention.statusnet_profile_url"
+    :content="mention.statusnet_profile_url"
+    :url="mention.statusnet_profile_url"
+    :first-mention="false"
+  /><span v-if="manyMentions" class="extraMentions">
+    <span
+      v-if="expanded"
+      class="fullExtraMentions"
+    >
+      <MentionLink
+        v-for="mention in extraMentions"
+        class="mention-link"
+        :key="mention.statusnet_profile_url"
+        :content="mention.statusnet_profile_url"
+        :url="mention.statusnet_profile_url"
+        :first-mention="false"
+      />
+    </span><button
+      v-if="!expanded"
+      class="showMoreLess"
+      :class="buttonClasses"
+      @click="toggleShowMore"
+    >
+      {{ $t('status.plus_more', { number: extraMentions.length })}}
+    </button><button
+      v-if="expanded"
+      class="showMoreLess"
+      :class="buttonClasses"
+      @click="toggleShowMore"
+    >
+      {{ $t('general.show_less')}}
+    </button>
+  </span>
+</span>
+</template>
+<script src="./mentions_line.js" ></script>
+<style lang="scss" src="./mentions_line.scss" />