1 files changed, 94 insertions, 0 deletions
diff --git a/app/assets/javascripts/vue_shared/components/issue/issue_assignees.vue b/app/assets/javascripts/vue_shared/components/issue/issue_assignees.vue
new file mode 100644
index 00000000000..7e79e63aa1e
--- /dev/null
+++ b/app/assets/javascripts/vue_shared/components/issue/issue_assignees.vue
@@ -0,0 +1,94 @@
+<script>
+import { GlTooltipDirective } from '@gitlab/ui';
+import { __, sprintf } from '~/locale';
+
+import UserAvatarLink from '~/vue_shared/components/user_avatar/user_avatar_link.vue';
+
+export default {
+  components: {
+    UserAvatarLink,
+  },
+  directives: {
+    GlTooltip: GlTooltipDirective,
+  },
+  props: {
+    assignees: {
+      type: Array,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      maxVisibleAssignees: 2,
+      maxAssigneeAvatars: 3,
+      maxAssignees: 99,
+    };
+  },
+  computed: {
+    countOverLimit() {
+      return this.assignees.length - this.maxVisibleAssignees;
+    },
+    assigneesToShow() {
+      if (this.assignees.length > this.maxAssigneeAvatars) {
+        return this.assignees.slice(0, this.maxVisibleAssignees);
+      }
+      return this.assignees;
+    },
+    assigneesCounterTooltip() {
+      const { countOverLimit, maxAssignees } = this;
+      const count = countOverLimit > maxAssignees ? maxAssignees : countOverLimit;
+
+      return sprintf(__('%{count} more assignees'), { count });
+    },
+    shouldRenderAssigneesCounter() {
+      const assigneesCount = this.assignees.length;
+      if (assigneesCount <= this.maxAssigneeAvatars) {
+        return false;
+      }
+
+      return assigneesCount > this.countOverLimit;
+    },
+    assigneeCounterLabel() {
+      if (this.countOverLimit > this.maxAssignees) {
+        return `${this.maxAssignees}+`;
+      }
+
+      return `+${this.countOverLimit}`;
+    },
+  },
+  methods: {
+    avatarUrlTitle(assignee) {
+      return sprintf(__('Avatar for %{assigneeName}'), {
+        assigneeName: assignee.name,
+      });
+    },
+  },
+};
+</script>
+<template>
+  <div class="issue-assignees">
+    <user-avatar-link
+      v-for="assignee in assigneesToShow"
+      :key="assignee.id"
+      :link-href="assignee.web_url"
+      :img-alt="avatarUrlTitle(assignee)"
+      :img-src="assignee.avatar_url"
+      :img-size="24"
+      class="js-no-trigger"
+      tooltip-placement="bottom"
+    >
+      <span class="js-assignee-tooltip">
+        <span class="bold d-block">{{ __('Assignee') }}</span> {{ assignee.name }}
+        <span class="text-white-50">@{{ assignee.username }}</span>
+      </span>
+    </user-avatar-link>
+    <span
+      v-if="shouldRenderAssigneesCounter"
+      v-gl-tooltip
+      :title="assigneesCounterTooltip"
+      class="avatar-counter"
+      data-placement="bottom"
+      >{{ assigneeCounterLabel }}</span
+    >
+  </div>
+</template>