Merge branch '9245-roadmap-ux-enhancements' into 'master'

Roadmap infinite scrolling UX enhancements

Closes #9245

See merge request gitlab-org/gitlab-ee!9242

ee/app/assets/javascripts/roadmap/components/app.vue

@@ -3,7 +3,6 @@ import _ from 'underscore';
 import Flash from '~/flash';
 import { s__ } from '~/locale';
 
-import { GlLoadingIcon } from '@gitlab/ui';
 import epicsListEmpty from './epics_list_empty.vue';
 import roadmapShell from './roadmap_shell.vue';
 import eventHub from '../event_hub';
@@ -14,7 +13,6 @@ export default {
   components: {
     epicsListEmpty,
     roadmapShell,
-    GlLoadingIcon,
   },
   props: {
     store: {
@@ -44,7 +42,7 @@ export default {
   },
   data() {
     return {
-      isLoading: true,
+      isLoading: false,
       isEpicsListEmpty: false,
       hasError: false,
       handleResizeThrottled: {},
@@ -86,9 +84,16 @@ export default {
         .getEpics()
         .then(res => res.data)
         .then(epics => {
-          this.isLoading = false;
           if (epics.length) {
             this.store.setEpics(epics);
+            this.$nextTick(() => {
+              // Render timeline bars as we're already having timeline
+              // rendered before fetch
+              eventHub.$emit('refreshTimeline', {
+                todayBarReady: true,
+                initialRender: true,
+              });
+            });
           } else {
             this.isEpicsListEmpty = true;
           }
@@ -107,14 +112,15 @@ export default {
         .then(epics => {
           if (epics.length) {
             this.store.addEpics(epics);
+          }
           this.$nextTick(() => {
             // Re-render timeline bars with updated timeline
-              eventHub.$emit('refreshTimeline', {
-                height: window.innerHeight - roadmapTimelineEl.offsetTop,
-                todayBarReady: extendType === EXTEND_AS.PREPEND,
+            this.processExtendedTimeline({
+              itemsCount: timeframe ? timeframe.length : 0,
+              extendType,
+              roadmapTimelineEl,
             });
           });
-          }
         })
         .catch(() => {
           this.hasError = true;
@@ -156,7 +162,6 @@ export default {
     processExtendedTimeline({ extendType = EXTEND_AS.PREPEND, roadmapTimelineEl, itemsCount = 0 }) {
       // Re-render timeline bars with updated timeline
       eventHub.$emit('refreshTimeline', {
-        height: window.innerHeight - roadmapTimelineEl.offsetTop,
         todayBarReady: extendType === EXTEND_AS.PREPEND,
       });
 
@@ -172,16 +177,10 @@ export default {
     handleScrollToExtend(roadmapTimelineEl, extendType = EXTEND_AS.PREPEND) {
       const timeframe = this.store.extendTimeframe(extendType);
       this.$nextTick(() => {
-        this.processExtendedTimeline({
-          itemsCount: timeframe ? timeframe.length : 0,
-          extendType,
-          roadmapTimelineEl,
-        });
-
         this.fetchEpicsForTimeframe({
           timeframe,
-          roadmapTimelineEl,
           extendType,
+          roadmapTimelineEl,
         });
       });
     },
@@ -191,12 +190,6 @@ export default {
 
 <template>
   <div :class="{ 'overflow-reset': isEpicsListEmpty }" class="roadmap-container">
-    <gl-loading-icon
-      v-if="isLoading"
-      :label="s__('GroupRoadmap|Loading roadmap')"
-      :size="2"
-      class="loading-animation prepend-top-20 append-bottom-20"
-    />
     <roadmap-shell
       v-if="showRoadmap"
       :preset-type="presetType"

ee/app/assets/javascripts/roadmap/components/epic_item_timeline.vue

@@ -57,7 +57,7 @@ export default {
     },
   },
   watch: {
-    shellWidth: function shellWidth() {
+    shellWidth() {
       // Render timeline bar only when shellWidth is updated.
       this.renderTimelineBar();
     },

ee/app/assets/javascripts/roadmap/components/epics_list_section.vue

@@ -3,7 +3,7 @@ import eventHub from '../event_hub';
 
 import SectionMixin from '../mixins/section_mixin';
 
-import { TIMELINE_CELL_MIN_WIDTH } from '../constants';
+import { TIMELINE_CELL_MIN_WIDTH, EPIC_ITEM_HEIGHT } from '../constants';
 
 import epicItem from './epic_item.vue';
 
@@ -74,18 +74,14 @@ export default {
   },
   mounted() {
     eventHub.$on('epicsListScrolled', this.handleEpicsListScroll);
-    eventHub.$on('refreshTimeline', () => {
-      this.initEmptyRow(false);
-    });
+    eventHub.$on('refreshTimeline', this.handleTimelineRefresh);
     this.$nextTick(() => {
       this.initMounted();
     });
   },
   beforeDestroy() {
     eventHub.$off('epicsListScrolled', this.handleEpicsListScroll);
-    eventHub.$off('refreshTimeline', () => {
-      this.initEmptyRow(false);
-    });
+    eventHub.$off('refreshTimeline', this.handleTimelineRefresh);
   },
   methods: {
     initMounted() {
@@ -112,7 +108,7 @@ export default {
      * based on height of available list items and sets it to component
      * props.
      */
-    initEmptyRow(showEmptyRow = false) {
+    initEmptyRow() {
       const children = this.$children;
       let approxChildrenHeight = children[0].$el.clientHeight * this.epics.length;
 
@@ -130,7 +126,6 @@ export default {
         this.emptyRowHeight = this.shellHeight - approxChildrenHeight;
         this.showEmptyRow = true;
       } else {
-        this.showEmptyRow = showEmptyRow;
         this.showBottomShadow = true;
       }
     },
@@ -141,6 +136,28 @@ export default {
     scrollToTodayIndicator() {
       this.$el.parentElement.scrollBy(TIMELINE_CELL_MIN_WIDTH / 2, 0);
     },
+    /**
+     * Method to update list section when refreshTimeline event
+     * is emitted on eventHub
+     *
+     * This method ensures that empty row is toggled
+     * based on whether list has enough epics to make
+     * list vertically scrollable.
+     */
+    handleTimelineRefresh({ initialRender = false }) {
+      // Initialize emptyRow only once.
+      if (initialRender) {
+        this.initEmptyRow();
+      }
+
+      // Check if container height is less than total height of all Epic
+      // items combined (AKA list is scrollable).
+      const isListVertScrollable =
+        this.$el.parentElement.offsetHeight < EPIC_ITEM_HEIGHT * (this.epics.length + 1);
+
+      // Toggle empty row.
+      this.showEmptyRow = !isListVertScrollable;
+    },
     handleEpicsListScroll({ scrollTop, clientHeight, scrollHeight }) {
       this.showBottomShadow = Math.ceil(scrollTop) + clientHeight < scrollHeight;
     },

ee/app/assets/javascripts/roadmap/components/roadmap_shell.vue

 <script>
-import bp from '~/breakpoints';
+import { GlSkeletonLoading } from '@gitlab/ui';
+
 import { isInViewport } from '~/lib/utils/common_utils';
-import { SCROLL_BAR_SIZE, EPIC_ITEM_HEIGHT, SHELL_MIN_WIDTH, EXTEND_AS } from '../constants';
+import { SCROLL_BAR_SIZE, EPIC_ITEM_HEIGHT, EXTEND_AS } from '../constants';
 import eventHub from '../event_hub';
 
 import epicsListSection from './epics_list_section.vue';
@@ -9,6 +10,7 @@ import roadmapTimelineSection from './roadmap_timeline_section.vue';
 
 export default {
   components: {
+    GlSkeletonLoading,
     epicsListSection,
     roadmapTimelineSection,
   },
@@ -40,18 +42,29 @@ export default {
   },
   computed: {
     containerStyles() {
-      const width =
-        bp.windowWidth() > SHELL_MIN_WIDTH
-          ? this.shellWidth + this.getWidthOffset()
-          : this.shellWidth;
-
       return {
-        width: `${width}px`,
+        width: `${this.shellWidth}px`,
         height: `${this.shellHeight}px`,
       };
     },
   },
+  watch: {
+    /**
+     * Watcher to monitor whether epics list is long enough
+     * to allow vertical list scrolling.
+     *
+     * In case of scrollable list, we don't want vertical scrollbar
+     * to be visible, so we mask the scrollbar by increasing shell
+     * width past the scrollbar size.
+     */
+    noScroll(value) {
+      if (this.$el.parentElement) {
+        this.shellWidth = this.getShellWidth(value);
+      }
+    },
+  },
   mounted() {
+    eventHub.$on('refreshTimeline', this.handleEpicsListRendered);
     this.$nextTick(() => {
       // Client width at the time of component mount will not
       // provide accurate size of viewport until child contents are
@@ -62,18 +75,28 @@ export default {
       if (this.$el.parentElement) {
         this.shellHeight = window.innerHeight - this.$el.offsetTop;
         this.noScroll = this.shellHeight > EPIC_ITEM_HEIGHT * (this.epics.length + 1);
-        this.shellWidth = this.$el.parentElement.clientWidth + this.getWidthOffset();
+        this.shellWidth = this.getShellWidth(this.noScroll);
 
+        // We're guarding this as in tests, `roadmapTimeline`
+        // is not ready when this line is executed.
+        if (this.$refs.roadmapTimeline) {
           this.timeframeStartOffset = this.$refs.roadmapTimeline.$el
             .querySelector('.timeline-header-item')
             .querySelector('.item-sublabel .sublabel-value:first-child')
             .getBoundingClientRect().left;
         }
+      }
     });
   },
+  beforeDestroy() {
+    eventHub.$off('refreshTimeline', this.handleEpicsListRendered);
+  },
   methods: {
-    getWidthOffset() {
-      return this.noScroll ? 0 : SCROLL_BAR_SIZE;
+    getShellWidth(noScroll) {
+      return this.$el.parentElement.clientWidth + (noScroll ? 0 : SCROLL_BAR_SIZE);
+    },
+    handleEpicsListRendered() {
+      this.noScroll = this.shellHeight > EPIC_ITEM_HEIGHT * (this.epics.length + 1);
     },
     handleScroll() {
       const { scrollTop, scrollLeft, clientHeight, scrollHeight } = this.$el;
@@ -92,7 +115,6 @@ export default {
         this.$emit('onScrollToEnd', this.$refs.roadmapTimeline.$el, EXTEND_AS.APPEND);
       }
 
-      this.noScroll = this.shellHeight > EPIC_ITEM_HEIGHT * (this.epics.length + 1);
       eventHub.$emit('epicsListScrolled', { scrollTop, scrollLeft, clientHeight, scrollHeight });
     },
   },
@@ -114,6 +136,11 @@ export default {
       :shell-width="shellWidth"
       :list-scrollable="!noScroll"
     />
+    <div v-if="!epics.length" class="skeleton-loader js-skeleton-loader">
+      <div v-for="n in 10" :key="n" class="mt-2">
+        <gl-skeleton-loading :lines="2" />
+      </div>
+    </div>
     <epics-list-section
       :preset-type="presetType"
       :epics="epics"

ee/app/assets/javascripts/roadmap/components/timeline_today_indicator.vue

 <script>
 import { totalDaysInMonth, dayInQuarter, totalDaysInQuarter } from '~/lib/utils/datetime_utility';
 
-import { EPIC_DETAILS_CELL_WIDTH, PRESET_TYPES } from '../constants';
+import { EPIC_DETAILS_CELL_WIDTH, PRESET_TYPES, DAYS_IN_WEEK } from '../constants';
 
 import eventHub from '../event_hub';
 
@@ -42,8 +42,9 @@ export default {
      * and renders vertical line over the area where
      * today falls in current timeline
      */
-    handleEpicsListRender({ height, todayBarReady }) {
+    handleEpicsListRender({ todayBarReady }) {
       let left = 0;
+      let height = 0;
 
       // Get total days of current timeframe Item and then
       // get size in % from current date and days in range
@@ -59,15 +60,21 @@ export default {
           (this.currentDate.getDate() / totalDaysInMonth(this.timeframeItem)) * 100,
         );
       } else if (this.presetType === PRESET_TYPES.WEEKS) {
-        left = Math.floor(((this.currentDate.getDay() + 1) / 7) * 100 - 7);
+        left = Math.floor(((this.currentDate.getDay() + 1) / DAYS_IN_WEEK) * 100 - DAYS_IN_WEEK);
+      }
+
+      // On initial load, container element height is 0
+      if (this.$root.$el.clientHeight === 0) {
+        height = window.innerHeight - this.$root.$el.offsetTop;
+      } else {
+        // When list is scrollable both vertically and horizontally
+        // We set height using top-level parent container height & position of
+        // today indicator element container.
+        height = this.$root.$el.clientHeight - this.$el.parentElement.offsetTop;
       }
 
-      // We add 20 to height to ensure that
-      // today indicator goes past the bottom
-      // edge of the browser even when
-      // scrollbar is present
       this.todayBarStyles = {
-        height: `${height + 20}px`,
+        height: `${height}px`,
         left: `${left}%`,
       };
       this.todayBarReady = todayBarReady === undefined ? true : todayBarReady;

ee/app/assets/javascripts/roadmap/constants.js

@@ -6,8 +6,6 @@ export const EPIC_ITEM_HEIGHT = 50;
 
 export const TIMELINE_CELL_MIN_WIDTH = 180;
 
-export const SHELL_MIN_WIDTH = 1620;
-
 export const SCROLL_BAR_SIZE = 15;
 
 export const EPIC_HIGHLIGHT_REMOVE_AFTER = 3000;

ee/app/assets/javascripts/roadmap/utils/roadmap_utils.js

@@ -204,7 +204,7 @@ export const getTimeframeForWeeksView = (initialDate = new Date(), length) => {
     timeframe.push(newDate(startDate));
 
     // Move date next Sunday
-    startDate.setDate(startDate.getDate() + 7);
+    startDate.setDate(startDate.getDate() + DAYS_IN_WEEK);
   }
 
   return timeframe;
@@ -216,12 +216,10 @@ export const extendTimeframeForWeeksView = (initialDate = new Date(), length) =>
   if (length < 0) {
     // When length is negative, we need to go
     // back as many weeks in time as value of length
-    startDate.setDate(startDate.getDate() + (length + 1) * 7);
-  } else {
-    startDate.setDate(startDate.getDate());
+    startDate.setDate(startDate.getDate() + length * DAYS_IN_WEEK);
   }
 
-  return getTimeframeForWeeksView(startDate, Math.abs(length) + 1);
+  return getTimeframeForWeeksView(startDate, Math.abs(length));
 };
 
 export const extendTimeframeForPreset = ({
@@ -348,8 +346,8 @@ export const getTimeframeForPreset = (
     timeframe = getTimeframeForWeeksView();
     timeframeStart = newDate(timeframe[0]);
     timeframeEnd = newDate(timeframe[timeframe.length - 1]);
-    timeframeStart.setDate(timeframeStart.getDate() - 7); // Move date back by a week
-    timeframeEnd.setDate(timeframeEnd.getDate() + 7); // Move date ahead by a week
+    timeframeStart.setDate(timeframeStart.getDate());
+    timeframeEnd.setDate(timeframeEnd.getDate() + DAYS_IN_WEEK); // Move date ahead by a week
   }
 
   // Extend timeframe on initial load to ensure
@@ -413,30 +411,40 @@ export const getEpicsPathForPreset = ({
 export const sortEpics = (epics, sortedBy) => {
   const sortByStartDate = sortedBy.indexOf('start_date') > -1;
   const sortOrderAsc = sortedBy.indexOf('asc') > -1;
+  const pastDate = new Date(new Date().getFullYear() - 100, 0, 1);
+  const futureDate = new Date(new Date().getFullYear() + 100, 0, 1);
 
   epics.sort((a, b) => {
     let aDate;
     let bDate;
 
     if (sortByStartDate) {
-      aDate = a.startDate;
-      if (a.startDateOutOfRange) {
-        aDate = a.originalStartDate;
+      if (a.startDateUndefined) {
+        // Set proxy date to be far in the past
+        // to ensure sort order is correct.
+        aDate = pastDate;
+      } else {
+        aDate = a.startDateOutOfRange ? a.originalStartDate : a.startDate;
       }
 
-      bDate = b.startDate;
-      if (b.startDateOutOfRange) {
-        bDate = b.originalStartDate;
+      if (b.startDateUndefined) {
+        aDate = pastDate;
+      } else {
+        bDate = b.startDateOutOfRange ? b.originalStartDate : b.startDate;
       }
     } else {
-      aDate = a.endDate;
-      if (a.endDateOutOfRange) {
-        aDate = a.originalEndDate;
+      if (a.endDateUndefined) {
+        // Set proxy date to be far into the future
+        // to ensure sort order is correct.
+        aDate = futureDate;
+      } else {
+        aDate = a.endDateOutOfRange ? a.originalEndDate : a.endDate;
       }
 
-      bDate = b.endDate;
-      if (b.endDateOutOfRange) {
-        bDate = b.originalEndDate;
+      if (b.endDateUndefined) {
+        bDate = futureDate;
+      } else {
+        bDate = b.endDateOutOfRange ? b.originalEndDate : b.endDate;
       }
     }
 

ee/app/assets/stylesheets/pages/roadmap.scss

 $header-item-height: 60px;
 $item-height: 50px;
 $details-cell-width: 320px;
+$timeline-cell-width: 180px;
 $border-style: 1px solid $border-gray-normal;
 $roadmap-gradient-dark-gray: rgba(0, 0, 0, 0.15);
 $roadmap-gradient-gray: rgba(255, 255, 255, 0.001);
@@ -118,15 +119,32 @@ $column-right-gradient: linear-gradient(
 }
 
 .roadmap-shell {
+  position: relative;
   overflow-x: auto;
 
+  .skeleton-loader {
+    position: absolute;
+    top: $header-item-height;
+    left: $timeline-cell-width / 2;
+    width: $details-cell-width;
+    height: 100%;
+    padding-top: $gl-padding-top;
+    padding-left: $gl-padding;
+    z-index: 4;
+
+    &::after {
+      height: 100%;
+    }
+  }
+
   &.prevent-vertical-scroll {
     overflow-y: hidden;
   }
 }
 
 .roadmap-timeline-section .timeline-header-blank::after,
-.epics-list-section .epic-details-cell::after {
+.epics-list-section .epic-details-cell::after,
+.skeleton-loader::after {
   content: "";
   position: absolute;
   top: 0;

ee/spec/javascripts/roadmap/components/app_spec.js

@@ -66,7 +66,7 @@ describe('AppComponent', () => {
 
   describe('data', () => {
     it('returns default data props', () => {
-      expect(vm.isLoading).toBe(true);
+      expect(vm.isLoading).toBe(false);
       expect(vm.isEpicsListEmpty).toBe(false);
       expect(vm.hasError).toBe(false);
       expect(vm.handleResizeThrottled).toBeDefined();
@@ -150,6 +150,7 @@ describe('AppComponent', () => {
       it('calls service.getEpics and sets response to the store on success', done => {
         mock.onGet(vm.service.epicsPath).reply(200, rawEpics);
         spyOn(vm.store, 'setEpics');
+        spyOn(eventHub, '$emit');
 
         vm.fetchEpics();
 
@@ -157,7 +158,19 @@ describe('AppComponent', () => {
         setTimeout(() => {
           expect(vm.isLoading).toBe(false);
           expect(vm.store.setEpics).toHaveBeenCalledWith(rawEpics);
-          done();
+
+          vm.$nextTick()
+            .then(() => {
+              expect(eventHub.$emit).toHaveBeenCalledWith(
+                'refreshTimeline',
+                jasmine.objectContaining({
+                  todayBarReady: true,
+                  initialRender: true,
+                }),
+              );
+            })
+            .then(done)
+            .catch(done.fail);
         }, 0);
       });
 
@@ -210,13 +223,15 @@ describe('AppComponent', () => {
       it('calls service.fetchEpicsForTimeframe and adds response to the store on success', done => {
         mock.onGet(vm.service.epicsPath).reply(200, rawEpics);
 
+        const extendType = EXTEND_AS.APPEND;
+
         spyOn(vm.service, 'getEpicsForTimeframe').and.callThrough();
         spyOn(vm.store, 'addEpics');
-        spyOn(vm, '$nextTick').and.stub();
+        spyOn(vm, 'processExtendedTimeline');
 
         vm.fetchEpicsForTimeframe({
           timeframe: mockTimeframeMonths,
-          extendType: EXTEND_AS.APPEND,
+          extendType,
           roadmapTimelineEl,
         });
 
@@ -227,7 +242,18 @@ describe('AppComponent', () => {
         );
         setTimeout(() => {
           expect(vm.store.addEpics).toHaveBeenCalledWith(rawEpics);
-          done();
+          vm.$nextTick()
+            .then(() => {
+              expect(vm.processExtendedTimeline).toHaveBeenCalledWith(
+                jasmine.objectContaining({
+                  itemsCount: 8,
+                  extendType,
+                  roadmapTimelineEl,
+                }),
+              );
+            })
+            .then(done)
+            .catch(done.fail);
         }, 0);
       });
 
@@ -307,7 +333,6 @@ describe('AppComponent', () => {
 
       it('updates the store and refreshes roadmap with extended timeline when called with `extendType` param as `prepend`', done => {
         spyOn(vm.store, 'extendTimeframe');
-        spyOn(vm, 'processExtendedTimeline');
         spyOn(vm, 'fetchEpicsForTimeframe');
 
         const extendType = EXTEND_AS.PREPEND;
@@ -319,14 +344,6 @@ describe('AppComponent', () => {
 
         vm.$nextTick()
           .then(() => {
-            expect(vm.processExtendedTimeline).toHaveBeenCalledWith(
-              jasmine.objectContaining({
-                itemsCount: 0,
-                extendType,
-                roadmapTimelineEl,
-              }),
-            );
-
             expect(vm.fetchEpicsForTimeframe).toHaveBeenCalledWith(
               jasmine.objectContaining({
                 // During tests, we don't extend timeframe
@@ -343,7 +360,6 @@ describe('AppComponent', () => {
 
       it('updates the store and refreshes roadmap with extended timeline when called with `extendType` param as `append`', done => {
         spyOn(vm.store, 'extendTimeframe');
-        spyOn(vm, 'processExtendedTimeline');
         spyOn(vm, 'fetchEpicsForTimeframe');
 
         const extendType = EXTEND_AS.APPEND;
@@ -355,14 +371,6 @@ describe('AppComponent', () => {
 
         vm.$nextTick()
           .then(() => {
-            expect(vm.processExtendedTimeline).toHaveBeenCalledWith(
-              jasmine.objectContaining({
-                itemsCount: 0,
-                extendType,
-                roadmapTimelineEl,
-              }),
-            );
-
             expect(vm.fetchEpicsForTimeframe).toHaveBeenCalledWith(
               jasmine.objectContaining({
                 // During tests, we don't extend timeframe

ee/spec/javascripts/roadmap/components/roadmap_shell_spec.js

@@ -7,7 +7,7 @@ import { getTimeframeForMonthsView } from 'ee/roadmap/utils/roadmap_utils';
 import { PRESET_TYPES } from 'ee/roadmap/constants';
 
 import mountComponent from 'spec/helpers/vue_mount_component_helper';
-import { mockEpic, mockTimeframeInitialDate, mockGroupId, mockScrollBarSize } from '../mock_data';
+import { mockEpic, mockTimeframeInitialDate, mockGroupId } from '../mock_data';
 
 const mockTimeframeMonths = getTimeframeForMonthsView(mockTimeframeInitialDate);
 
@@ -45,6 +45,7 @@ describe('RoadmapShellComponent', () => {
       expect(vm.shellWidth).toBe(0);
       expect(vm.shellHeight).toBe(0);
       expect(vm.noScroll).toBe(false);
+      expect(vm.timeframeStartOffset).toBe(0);
     });
   });
 
@@ -59,7 +60,7 @@ describe('RoadmapShellComponent', () => {
         document.querySelector('.roadmap-container').remove();
       });
 
-      it('returns style object based on shellWidth and current Window width with Scollbar size offset', done => {
+      it('returns style object based on shellWidth and shellHeight', done => {
         const vmWithParentEl = createComponent({}, document.getElementById('roadmap-shell'));
         Vue.nextTick(() => {
           const stylesObj = vmWithParentEl.containerStyles;
@@ -75,21 +76,6 @@ describe('RoadmapShellComponent', () => {
   });
 
   describe('methods', () => {
-    describe('getWidthOffset', () => {
-      it('returns 0 when noScroll prop is true', () => {
-        vm.noScroll = true;
-
-        expect(vm.getWidthOffset()).toBe(0);
-      });
-
-      it('returns value of SCROLL_BAR_SIZE when noScroll prop is false', () => {
-        vm.noScroll = false;
-
-        expect(vm.getWidthOffset()).toBe(mockScrollBarSize);
-      });
-    });
-
-    describe('handleScroll', () => {
     beforeEach(() => {
       document.body.innerHTML +=
         '<div class="roadmap-container"><div id="roadmap-shell"></div></div>';
@@ -99,6 +85,7 @@ describe('RoadmapShellComponent', () => {
       document.querySelector('.roadmap-container').remove();
     });
 
+    describe('handleScroll', () => {
       it('emits `epicsListScrolled` event via eventHub', done => {
         const vmWithParentEl = createComponent({}, document.getElementById('roadmap-shell'));
         spyOn(eventHub, '$emit');
@@ -123,6 +110,17 @@ describe('RoadmapShellComponent', () => {
       expect(vm.$el.classList.contains('roadmap-shell')).toBe(true);
     });
 
+    it('renders skeleton loader element when Epics list is empty', done => {
+      vm.epics = [];
+
+      vm.$nextTick()
+        .then(() => {
+          expect(vm.$el.querySelector('.js-skeleton-loader')).not.toBeNull();
+        })
+        .then(done)
+        .catch(done.fail);
+    });
+
     it('adds `prevent-vertical-scroll` class on component container element', done => {
       vm.noScroll = true;
       Vue.nextTick(() => {

ee/spec/javascripts/roadmap/components/timeline_today_indicator_spec.js

@@ -49,17 +49,24 @@ describe('TimelineTodayIndicatorComponent', () => {
 
   describe('methods', () => {
     describe('handleEpicsListRender', () => {
-      it('sets `todayBarStyles` and `todayBarReady` props based on provided height param, timeframeItem and currentDate props', () => {
+      it('sets `todayBarStyles` and `todayBarReady` props', () => {
         vm = createComponent({});
-        vm.handleEpicsListRender({
-          height: 100,
-        });
+        vm.handleEpicsListRender({});
         const stylesObj = vm.todayBarStyles;
 
-        expect(stylesObj.height).toBe('120px');
+        expect(stylesObj.height).toBe('600px');
         expect(stylesObj.left).toBe('50%');
         expect(vm.todayBarReady).toBe(true);
       });
+
+      it('sets `todayBarReady` prop based on value of provided `todayBarReady` param', () => {
+        vm = createComponent({});
+        vm.handleEpicsListRender({
+          todayBarReady: false,
+        });
+
+        expect(vm.todayBarReady).toBe(false);
+      });
     });
   });
 
@@ -90,9 +97,7 @@ describe('TimelineTodayIndicatorComponent', () => {
   describe('template', () => {
     it('renders component container element with class `today-bar`', done => {
       vm = createComponent({});
-      vm.handleEpicsListRender({
-        height: 100,
-      });
+      vm.handleEpicsListRender({});
       vm.$nextTick(() => {
         expect(vm.$el.classList.contains('today-bar')).toBe(true);
         done();

ee/spec/javascripts/roadmap/mock_data.js

@@ -70,13 +70,12 @@ export const mockTimeframeMonthsAppend = [
 ];
 
 export const mockTimeframeWeeksPrepend = [
+  new Date(2017, 10, 5),
   new Date(2017, 10, 12),
   new Date(2017, 10, 19),
   new Date(2017, 10, 26),
   new Date(2017, 11, 3),
   new Date(2017, 11, 10),
-  new Date(2017, 11, 17),
-  new Date(2017, 11, 24),
 ];
 export const mockTimeframeWeeksAppend = [
   new Date(2018, 0, 28),
@@ -85,7 +84,6 @@ export const mockTimeframeWeeksAppend = [
   new Date(2018, 1, 18),
   new Date(2018, 1, 25),
   new Date(2018, 2, 4),
-  new Date(2018, 2, 11),
 ];
 
 export const mockEpic = {

locale/gitlab.pot

@@ -4529,9 +4529,6 @@ msgstr ""
 msgid "GroupRoadmap|From %{dateWord}"
 msgstr ""
 
-msgid "GroupRoadmap|Loading roadmap"
-msgstr ""
-
 msgid "GroupRoadmap|Something went wrong while fetching epics"
 msgstr ""