3 files changed, 242 insertions, 0 deletions
diff --git a/src/components/mention_link/mention_link.js b/src/components/mention_link/mention_link.js
new file mode 100644
index 00000000..65c62baa
--- /dev/null
+++ b/src/components/mention_link/mention_link.js
@@ -0,0 +1,95 @@
+import generateProfileLink from 'src/services/user_profile_link_generator/user_profile_link_generator'
+import { mapGetters, mapState } from 'vuex'
+import { highlightClass, highlightStyle } from '../../services/user_highlighter/user_highlighter.js'
+import { library } from '@fortawesome/fontawesome-svg-core'
+import {
+  faAt
+} from '@fortawesome/free-solid-svg-icons'
+
+library.add(
+  faAt
+)
+
+const MentionLink = {
+  name: 'MentionLink',
+  props: {
+    url: {
+      required: true,
+      type: String
+    },
+    content: {
+      required: true,
+      type: String
+    },
+    userId: {
+      required: false,
+      type: String
+    },
+    userScreenName: {
+      required: false,
+      type: String
+    }
+  },
+  methods: {
+    onClick () {
+      const link = generateProfileLink(
+        this.userId || this.user.id,
+        this.userScreenName || this.user.screen_name
+      )
+      this.$router.push(link)
+    }
+  },
+  computed: {
+    user () {
+      return this.url && this.$store && this.$store.getters.findUserByUrl(this.url)
+    },
+    isYou () {
+      // FIXME why user !== currentUser???
+      return this.user && this.user.id === this.currentUser.id
+    },
+    userName () {
+      return this.user && this.userNameFullUi.split('@')[0]
+    },
+    userNameFull () {
+      return this.user && this.user.screen_name
+    },
+    userNameFullUi () {
+      return this.user && this.user.screen_name_ui
+    },
+    highlight () {
+      return this.user && this.mergedConfig.highlight[this.user.screen_name]
+    },
+    highlightType () {
+      return this.highlight && ('-' + this.highlight.type)
+    },
+    highlightClass () {
+      if (this.highlight) return highlightClass(this.user)
+    },
+    style () {
+      if (this.highlight) {
+        const {
+          backgroundColor,
+          backgroundPosition,
+          backgroundImage,
+          ...rest
+        } = highlightStyle(this.highlight)
+        return rest
+      }
+    },
+    classnames () {
+      return [
+        {
+          '-you': this.isYou,
+          '-highlighted': this.highlight
+        },
+        this.highlightType
+      ]
+    },
+    ...mapGetters(['mergedConfig']),
+    ...mapState({
+      currentUser: state => state.users.currentUser
+    })
+  }
+}
+
+export default MentionLink
diff --git a/src/components/mention_link/mention_link.scss b/src/components/mention_link/mention_link.scss
new file mode 100644
index 00000000..ec2689f8
--- /dev/null
+++ b/src/components/mention_link/mention_link.scss
@@ -0,0 +1,91 @@
+.MentionLink {
+  position: relative;
+  white-space: normal;
+  display: inline-block;
+  color: var(--link);
+
+  & .new,
+  & .original {
+    display: inline-block;
+    border-radius: 2px;
+  }
+
+  .full {
+    position: absolute;
+    display: inline-block;
+    pointer-events: none;
+    opacity: 0;
+    top: 100%;
+    left: 0;
+    height: 100%;
+    word-wrap: normal;
+    white-space: nowrap;
+    transition: opacity 0.2s ease;
+    z-index: 1;
+    margin-top: 0.25em;
+    padding: 0.5em;
+    user-select: all;
+  }
+
+  .short {
+    user-select: none;
+  }
+
+  & .short,
+  & .full {
+    white-space: nowrap;
+  }
+
+  .new {
+    &.-you {
+      & .shortName,
+      & .full {
+        font-weight: 600;
+      }
+    }
+
+    .at {
+      color: var(--link);
+      opacity: 0.8;
+      display: inline-block;
+      height: 50%;
+      line-height: 1;
+      padding: 0 0.1em;
+      vertical-align: -25%;
+      margin: 0;
+    }
+
+    &.-striped {
+      & .userName,
+      & .full {
+        background-image:
+          repeating-linear-gradient(
+            135deg,
+            var(--____highlight-tintColor),
+            var(--____highlight-tintColor) 5px,
+            var(--____highlight-tintColor2) 5px,
+            var(--____highlight-tintColor2) 10px
+          );
+      }
+    }
+
+    &.-solid {
+      & .userName,
+      & .full {
+        background-image: linear-gradient(var(--____highlight-tintColor2), var(--____highlight-tintColor2));
+      }
+    }
+
+    &.-side {
+      & .userName,
+      & .userNameFull {
+        box-shadow: 0 -5px 3px -4px inset var(--____highlight-solidColor);
+      }
+    }
+  }
+
+  &:hover .new .full {
+    opacity: 1;
+    pointer-events: initial;
+  }
+}
diff --git a/src/components/mention_link/mention_link.vue b/src/components/mention_link/mention_link.vue
new file mode 100644
index 00000000..a22b486c
--- /dev/null
+++ b/src/components/mention_link/mention_link.vue
@@ -0,0 +1,56 @@
+<template>
+  <span
+    class="MentionLink"
+  >
+    <!-- eslint-disable vue/no-v-html -->
+    <a
+      v-if="!user"
+      :href="url"
+      class="original"
+      target="_blank"
+      v-html="content"
+    />
+    <!-- eslint-enable vue/no-v-html -->
+    <span
+      v-if="user"
+      class="new"
+      :style="style"
+      :class="classnames"
+    >
+      <a
+        class="short button-unstyled"
+        :href="url"
+        @click.prevent="onClick"
+      >
+        <!-- eslint-disable vue/no-v-html -->
+        <FAIcon
+          size="sm"
+          icon="at"
+          class="at"
+        /><span class="shortName"><span
+          class="userName"
+          v-html="userName"
+        /></span>
+        <span
+          v-if="isYou"
+          class="you"
+        >{{ $t('status.you') }}</span>
+        <!-- eslint-enable vue/no-v-html -->
+      </a>
+      <span
+        v-if="userName !== userNameFull"
+        class="full popover-default"
+        :class="[highlightType]"
+      >
+        <span
+          class="userNameFull"
+          v-text="'@' + userNameFull"
+        />
+      </span>
+    </span>
+  </span>
+</template>
+
+<script src="./mention_link.js"/>
+
+<style lang="scss" src="./mention_link.scss"/>