1 files changed, 96 insertions, 0 deletions
diff --git a/app/assets/javascripts/sidebar/components/assignees/uncollapsed_assignee_list.vue b/app/assets/javascripts/sidebar/components/assignees/uncollapsed_assignee_list.vue
new file mode 100644
index 00000000000..e84b323c7bd
--- /dev/null
+++ b/app/assets/javascripts/sidebar/components/assignees/uncollapsed_assignee_list.vue
@@ -0,0 +1,96 @@
+<script>
+import { __, sprintf } from '~/locale';
+import AssigneeAvatarLink from './assignee_avatar_link.vue';
+
+const DEFAULT_RENDER_COUNT = 5;
+
+export default {
+  components: {
+    AssigneeAvatarLink,
+  },
+  props: {
+    users: {
+      type: Array,
+      required: true,
+    },
+    rootPath: {
+      type: String,
+      required: true,
+    },
+    issuableType: {
+      type: String,
+      require: true,
+      default: 'issue',
+    },
+  },
+  data() {
+    return {
+      showLess: true,
+    };
+  },
+  computed: {
+    firstUser() {
+      return this.users[0];
+    },
+    hasOneUser() {
+      return this.users.length === 1;
+    },
+    hiddenAssigneesLabel() {
+      const { numberOfHiddenAssignees } = this;
+      return sprintf(__('+ %{numberOfHiddenAssignees} more'), { numberOfHiddenAssignees });
+    },
+    renderShowMoreSection() {
+      return this.users.length > DEFAULT_RENDER_COUNT;
+    },
+    numberOfHiddenAssignees() {
+      return this.users.length - DEFAULT_RENDER_COUNT;
+    },
+    uncollapsedUsers() {
+      const uncollapsedLength = this.showLess
+        ? Math.min(this.users.length, DEFAULT_RENDER_COUNT)
+        : this.users.length;
+      return this.showLess ? this.users.slice(0, uncollapsedLength) : this.users;
+    },
+    username() {
+      return `@${this.firstUser.username}`;
+    },
+  },
+  methods: {
+    toggleShowLess() {
+      this.showLess = !this.showLess;
+    },
+  },
+};
+</script>
+
+<template>
+  <assignee-avatar-link
+    v-if="hasOneUser"
+    v-slot="{ user }"
+    tooltip-placement="left"
+    :tooltip-has-name="false"
+    :user="firstUser"
+    :root-path="rootPath"
+    :issuable-type="issuableType"
+  >
+    <div class="ml-2">
+      <span class="author"> {{ user.name }} </span>
+      <span class="username"> {{ username }} </span>
+    </div>
+  </assignee-avatar-link>
+  <div v-else>
+    <div class="user-list">
+      <div v-for="user in uncollapsedUsers" :key="user.id" class="user-item">
+        <assignee-avatar-link :user="user" :root-path="rootPath" :issuable-type="issuableType" />
+      </div>
+    </div>
+    <div v-if="renderShowMoreSection" class="user-list-more">
+      <button type="button" class="btn-link" @click="toggleShowLess">
+        <template v-if="showLess">
+          {{ hiddenAssigneesLabel }}
+        </template>
+        <template v-else>{{ __('- show less') }}</template>
+      </button>
+    </div>
+  </div>
+</template>