Adds helpers to remove withespace and linebreaks

spec/javascripts/helpers/vue_component_helper.js

-export default function removeBreakLine (data) {
-  return data.replace(/\r?\n|\r/g, ' ');
-}
+/**
+ * Replaces line break with an empty space
+ * @param {*} data
+ */
+export const removeBreakLine = data => data.replace(/\r?\n|\r/g, ' ');
+
+/**
+ * Removes line breaks, spaces and trims the given text
+ * @param {String} str
+ * @returns {String}
+ */
+export const trimText = str =>
+  str
+    .replace(/\r?\n|\r/g, '')
+    .replace(/\s\s+/g, ' ')
+    .trim();
+
+export const removeWhitespace = str => str.replace(/\s\s+/g, ' ');

spec/javascripts/ide/components/commit_sidebar/list_collapsed_spec.js

@@ -3,6 +3,7 @@ import store from '~/ide/stores';
 import listCollapsed from '~/ide/components/commit_sidebar/list_collapsed.vue';
 import { createComponentWithStore } from 'spec/helpers/vue_mount_component_helper';
 import { file } from '../../helpers';
+import { removeWhitespace } from '../../../helpers/vue_component_helper';
 
 describe('Multi-file editor commit sidebar list collapsed', () => {
   let vm;
@@ -23,6 +24,6 @@ describe('Multi-file editor commit sidebar list collapsed', () => {
   });
 
   it('renders added & modified files count', () => {
-    expect(vm.$el.textContent.replace(/\s+/g, ' ').trim()).toBe('1 1');
+    expect(removeWhitespace(vm.$el.textContent).trim()).toBe('1 1');
   });
 });

spec/javascripts/vue_mr_widget/components/states/mr_widget_conflicts_spec.js

 import Vue from 'vue';
 import conflictsComponent from '~/vue_merge_request_widget/components/states/mr_widget_conflicts.vue';
 import mountComponent from 'spec/helpers/vue_mount_component_helper';
-import removeBreakLine from 'spec/helpers/vue_component_helper';
+import { removeBreakLine } from 'spec/helpers/vue_component_helper';
 
 describe('MRWidgetConflicts', () => {
   let Component;

spec/javascripts/vue_mr_widget/components/states/mr_widget_pipeline_blocked_spec.js

 import Vue from 'vue';
 import pipelineBlockedComponent from '~/vue_merge_request_widget/components/states/mr_widget_pipeline_blocked.vue';
 import mountComponent from 'spec/helpers/vue_mount_component_helper';
-import removeBreakLine from 'spec/helpers/vue_component_helper';
+import { removeBreakLine } from 'spec/helpers/vue_component_helper';
 
 describe('MRWidgetPipelineBlocked', () => {
   let vm;

spec/javascripts/vue_mr_widget/components/states/mr_widget_sha_mismatch_spec.js

 import Vue from 'vue';
 import ShaMismatch from '~/vue_merge_request_widget/components/states/sha_mismatch.vue';
 import mountComponent from 'spec/helpers/vue_mount_component_helper';
-import removeBreakLine from 'spec/helpers/vue_component_helper';
+import { removeBreakLine } from 'spec/helpers/vue_component_helper';
 
 describe('ShaMismatch', () => {
   let vm;