Stop showing task status if no tasks are present

app/assets/javascripts/issue_show/components/app.vue

@@ -51,6 +51,11 @@ export default {
       required: false,
       default: '',
     },
+    initialTaskStatus: {
+      type: String,
+      required: false,
+      default: '',
+    },
     updatedAt: {
       type: String,
       required: false,
@@ -105,6 +110,7 @@ export default {
       updatedAt: this.updatedAt,
       updatedByName: this.updatedByName,
       updatedByPath: this.updatedByPath,
+      taskStatus: this.initialTaskStatus,
     });
 
     return {

app/assets/javascripts/issue_show/components/description.vue

@@ -37,18 +37,7 @@
         });
       },
       taskStatus() {
-        const taskRegexMatches = this.taskStatus.match(/(\d+) of (\d+)/);
-        const $issuableHeader = $('.issuable-meta');
-        const $tasks = $('#task_status', $issuableHeader);
-        const $tasksShort = $('#task_status_short', $issuableHeader);
-
-        if (taskRegexMatches) {
-          $tasks.text(this.taskStatus);
-          $tasksShort.text(`${taskRegexMatches[1]}/${taskRegexMatches[2]} task${taskRegexMatches[2] > 1 ? 's' : ''}`);
-        } else {
-          $tasks.text('');
-          $tasksShort.text('');
-        }
+        this.updateTaskStatusText();
       },
     },
     methods: {
@@ -64,9 +53,24 @@
           });
         }
       },
+      updateTaskStatusText() {
+        const taskRegexMatches = this.taskStatus.match(/(\d+) of ((?!0)\d+)/);
+        const $issuableHeader = $('.issuable-meta');
+        const $tasks = $('#task_status', $issuableHeader);
+        const $tasksShort = $('#task_status_short', $issuableHeader);
+
+        if (taskRegexMatches) {
+          $tasks.text(this.taskStatus);
+          $tasksShort.text(`${taskRegexMatches[1]}/${taskRegexMatches[2]} task${taskRegexMatches[2] > 1 ? 's' : ''}`);
+        } else {
+          $tasks.text('');
+          $tasksShort.text('');
+        }
+      },
     },
     mounted() {
       this.renderGFM();
+      this.updateTaskStatusText();
     },
   };
 </script>

app/assets/javascripts/issue_show/index.js

@@ -45,6 +45,7 @@ document.addEventListener('DOMContentLoaded', () => {
           updatedAt: this.updatedAt,
           updatedByName: this.updatedByName,
           updatedByPath: this.updatedByPath,
+          initialTaskStatus: this.initialTaskStatus,
         },
       });
     },

app/assets/javascripts/issue_show/stores/index.js

 export default class Store {
-  constructor({
-    titleHtml,
-    titleText,
-    descriptionHtml,
-    descriptionText,
-    updatedAt,
-    updatedByName,
-    updatedByPath,
-  }) {
-    this.state = {
-      titleHtml,
-      titleText,
-      descriptionHtml,
-      descriptionText,
-      taskStatus: '',
-      updatedAt,
-      updatedByName,
-      updatedByPath,
-    };
+  constructor(initialState) {
+    this.state = initialState;
     this.formState = {
       title: '',
       confidential: false,

app/helpers/issuables_helper.rb

@@ -138,8 +138,8 @@ module IssuablesHelper
     end
 
     output << "&ensp;".html_safe
-    output << content_tag(:span, issuable.task_status, id: "task_status", class: "hidden-xs hidden-sm")
-    output << content_tag(:span, issuable.task_status_short, id: "task_status_short", class: "hidden-md hidden-lg")
+    output << content_tag(:span, (issuable.task_status if issuable.tasks?), id: "task_status", class: "hidden-xs hidden-sm")
+    output << content_tag(:span, (issuable.task_status_short if issuable.tasks?), id: "task_status_short", class: "hidden-md hidden-lg")
 
     output
   end
@@ -216,7 +216,8 @@ module IssuablesHelper
       initialTitleHtml: markdown_field(issuable, :title),
       initialTitleText: issuable.title,
       initialDescriptionHtml: markdown_field(issuable, :description),
-      initialDescriptionText: issuable.description
+      initialDescriptionText: issuable.description,
+      initialTaskStatus: issuable.task_status
     }
 
     data.merge!(updated_at_by(issuable))

spec/javascripts/issue_show/components/description_spec.js

@@ -95,6 +95,18 @@ describe('Description component', () => {
         done();
       });
     });
+
+    it('clears task status text when no tasks are present', (done) => {
+      vm.taskStatus = '0 of 0';
+
+      setTimeout(() => {
+        expect(
+          document.querySelector('.issuable-meta #task_status').textContent.trim(),
+        ).toBe('');
+
+        done();
+      });
+    });
   });
 
   it('applies syntax highlighting and math when description changed', (done) => {