I18N EE JS files in b directories

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

This commit only targets Vanilla JS files.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

ee/app/assets/javascripts/batch_comments/mixins/resolved_status.js

 import { mapGetters } from 'vuex';
-import { s__ } from '~/locale';
+import { sprintf, s__, __ } from '~/locale';
 
 export default {
   props: {
@@ -54,10 +54,10 @@ export default {
     resolveButtonTitle() {
       if (this.isDraft || this.discussionId) return this.resolvedStatusMessage;
 
-      let title = 'Mark as resolved';
+      let title = __('Mark as resolved');
 
       if (this.resolvedBy) {
-        title = `Resolved by ${this.resolvedBy.name}`;
+        title = sprintf(__('Resolved by %{name}'), { name: this.resolvedBy.name });
       }
 
       return title;

ee/app/assets/javascripts/boards/mixins/extra_milestones.js

+import { __ } from '~/locale';
+
 export default [
   {
     id: null,
-    title: 'Any Milestone',
+    title: __('Any Milestone'),
   },
   {
     id: -2,
-    title: 'Upcoming',
+    title: __('Upcoming'),
   },
   {
     id: -3,
-    title: 'Started',
+    title: __('Started'),
   },
 ];

ee/app/assets/javascripts/boards/stores/boards_store_ee.js

@@ -134,7 +134,7 @@ class BoardsStoreEE {
     this.store.addList({
       id: 'promotion',
       list_type: 'promotion',
-      title: 'Improve Issue boards',
+      title: __('Improve Issue boards'),
       position: 0,
     });
 

ee/app/assets/javascripts/burndown_chart/burndown_chart.js

@@ -6,6 +6,7 @@ import { axisBottom, axisLeft } from 'd3-axis';
 import { line } from 'd3-shape';
 import { transition } from 'd3-transition';
 import { easeLinear } from 'd3-ease';
+import { s__ } from '~/locale';
 
 const d3 = {
   select,
@@ -45,7 +46,7 @@ export default class BurndownChart {
     this.xAxisGroup.append('line').attr('class', 'domain-line');
 
     // create y-axis label
-    this.label = 'Remaining';
+    this.label = s__('BurndownChartLabel|Remaining');
     const yAxisLabel = this.yAxisGroup.append('g').attr('class', 'axis-label');
     this.yAxisLabelText = yAxisLabel.append('text').text(this.label);
     this.yAxisLabelBBox = this.yAxisLabelText.node().getBBox();
@@ -58,7 +59,7 @@ export default class BurndownChart {
 
     this.chartLegendIdealKey = this.chartLegendGroup.append('g');
     this.chartLegendIdealKey.append('line').attr('class', 'ideal line');
-    this.chartLegendIdealKey.append('text').text('Guideline');
+    this.chartLegendIdealKey.append('text').text(s__('BurndownChartLabel|Guideline'));
     this.chartLegendIdealKeyBBox = this.chartLegendIdealKey
       .select('text')
       .node()
@@ -66,7 +67,7 @@ export default class BurndownChart {
 
     this.chartLegendActualKey = this.chartLegendGroup.append('g');
     this.chartLegendActualKey.append('line').attr('class', 'actual line');
-    this.chartLegendActualKey.append('text').text('Progress');
+    this.chartLegendActualKey.append('text').text(s__('BurndownChartLabel|Progress'));
     this.chartLegendActualKeyBBox = this.chartLegendActualKey
       .select('text')
       .node()
@@ -143,7 +144,7 @@ export default class BurndownChart {
   }
 
   // set data and force re-render
-  setData(data, { label = 'Remaining', animate } = {}) {
+  setData(data, { label = s__('BurndownChartLabel|Remaining'), animate } = {}) {
     this.data = data
       .map(datum => ({
         date: new Date(datum[0]),

ee/app/assets/javascripts/burndown_chart/index.js

 import $ from 'jquery';
 import Cookies from 'js-cookie';
 import BurndownChart from './burndown_chart';
+import { s__ } from '~/locale';
 
 export default () => {
   // handle hint dismissal
@@ -24,7 +25,7 @@ export default () => {
     const chart = new BurndownChart({ container, startDate, dueDate });
 
     let currentView = 'count';
-    chart.setData(openIssuesCount, { label: 'Open issues', animate: true });
+    chart.setData(openIssuesCount, { label: s__('BurndownChartLabel|Open issues'), animate: true });
 
     $('.js-burndown-data-selector').on('click', 'button', function switchData() {
       const $this = $(this);
@@ -37,10 +38,16 @@ export default () => {
           .addClass('btn-inverted');
         switch (show) {
           case 'count':
-            chart.setData(openIssuesCount, { label: 'Open issues', animate: true });
+            chart.setData(openIssuesCount, {
+              label: s__('BurndownChartLabel|Open issues'),
+              animate: true,
+            });
             break;
           case 'weight':
-            chart.setData(openIssuesWeight, { label: 'Open issue weight', animate: true });
+            chart.setData(openIssuesWeight, {
+              label: s__('BurndownChartLabel|Open issue weight'),
+              animate: true,
+            });
             break;
           default:
             break;

locale/gitlab.pot

@@ -2130,6 +2130,21 @@ msgstr ""
 msgid "Built-in"
 msgstr ""
 
+msgid "BurndownChartLabel|Guideline"
+msgstr ""
+
+msgid "BurndownChartLabel|Open issue weight"
+msgstr ""
+
+msgid "BurndownChartLabel|Open issues"
+msgstr ""
+
+msgid "BurndownChartLabel|Progress"
+msgstr ""
+
+msgid "BurndownChartLabel|Remaining"
+msgstr ""
+
 msgid "Business"
 msgstr ""
 
@@ -6905,6 +6920,9 @@ msgstr ""
 msgid "ImportProjects|Updating the imported projects failed"
 msgstr ""
 
+msgid "Improve Issue boards"
+msgstr ""
+
 msgid "Improve Issue boards with GitLab Enterprise Edition."
 msgstr ""