4 files changed, 33 insertions, 5 deletions

diff --git a/app/assets/javascripts/lib/utils/common_utils.js b/app/assets/javascripts/lib/utils/common_utils.js
index 0830ebe9e4e..9ff2042475b 100644
--- a/app/assets/javascripts/lib/utils/common_utils.js
+++ b/app/assets/javascripts/lib/utils/common_utils.js
@@ -33,6 +33,7 @@ export const checkPageAndAction = (page, action) => {
 
 export const isInIssuePage = () => checkPageAndAction('issues', 'show');
 export const isInMRPage = () => checkPageAndAction('merge_requests', 'show');
+export const isInEpicPage = () => checkPageAndAction('epics', 'show');
 export const isInNoteablePage = () => isInIssuePage() || isInMRPage();
 export const hasVueMRDiscussionsCookie = () => Cookies.get('vue_mr_discussions');
 
diff --git a/app/assets/javascripts/lib/utils/dom_utils.js b/app/assets/javascripts/lib/utils/dom_utils.js
index de65ea15a60..914de9de940 100644
--- a/app/assets/javascripts/lib/utils/dom_utils.js
+++ b/app/assets/javascripts/lib/utils/dom_utils.js
@@ -1,7 +1,12 @@
-/* eslint-disable import/prefer-default-export */
+import $ from 'jquery';
+import { isInIssuePage, isInMRPage, isInEpicPage, hasVueMRDiscussionsCookie } from './common_utils';
+
+const isVueMRDiscussions = () => isInMRPage() && hasVueMRDiscussionsCookie() && !$('#diffs').is(':visible');
 
 export const addClassIfElementExists = (element, className) => {
   if (element) {
     element.classList.add(className);
   }
 };
+
+export const isInVueNoteablePage = () => isInIssuePage() || isInEpicPage() || isVueMRDiscussions();
diff --git a/app/assets/javascripts/lib/utils/text_utility.js b/app/assets/javascripts/lib/utils/text_utility.js
index 94d03621bff..b54ecd2d543 100644
--- a/app/assets/javascripts/lib/utils/text_utility.js
+++ b/app/assets/javascripts/lib/utils/text_utility.js
@@ -7,7 +7,8 @@
  * @param {String} text
  * @returns {String}
  */
-export const addDelimiter = text => (text ? text.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',') : text);
+export const addDelimiter = text =>
+  (text ? text.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',') : text);
 
 /**
  * Returns '99+' for numbers bigger than 99.
@@ -22,7 +23,8 @@ export const highCountTrim = count => (count > 99 ? '99+' : count);
  * @param {String} string
  * @requires {String}
  */
-export const humanize = string => string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1);
+export const humanize = string =>
+  string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1);
 
 /**
  * Adds an 's' to the end of the string when count is bigger than 0
@@ -53,7 +55,7 @@ export const slugify = str => str.trim().toLowerCase();
  * @param {Number} maxLength
  * @returns {String}
  */
-export const truncate = (string, maxLength) => `${string.substr(0, (maxLength - 3))}...`;
+export const truncate = (string, maxLength) => `${string.substr(0, maxLength - 3)}...`;
 
 /**
  * Capitalizes first character
@@ -80,3 +82,15 @@ export const stripHtml = (string, replace = '') => string.replace(/<[^>]*>/g, re
  * @param {*} string
  */
 export const convertToCamelCase = string => string.replace(/(_\w)/g, s => s[1].toUpperCase());
+
+/**
+ * Converts a sentence to lower case from the second word onwards
+ * e.g. Hello World => Hello world
+ *
+ * @param {*} string
+ */
+export const convertToSentenceCase = string => {
+  const splitWord = string.split(' ').map((word, index) => (index > 0 ? word.toLowerCase() : word));
+
+  return splitWord.join(' ');
+};
diff --git a/app/assets/javascripts/lib/utils/url_utility.js b/app/assets/javascripts/lib/utils/url_utility.js
index a266bb6771f..dd17544b656 100644
--- a/app/assets/javascripts/lib/utils/url_utility.js
+++ b/app/assets/javascripts/lib/utils/url_utility.js
@@ -51,7 +51,7 @@ export function removeParams(params) {
   const url = document.createElement('a');
   url.href = window.location.href;
 
-  params.forEach((param) => {
+  params.forEach(param => {
     url.search = removeParamQueryString(url.search, param);
   });
 
@@ -83,3 +83,11 @@ export function refreshCurrentPage() {
 export function redirectTo(url) {
   return window.location.assign(url);
 }
+
+export function webIDEUrl(route = undefined) {
+  let returnUrl = `${gon.relative_url_root}/-/ide/`;
+  if (route) {
+    returnUrl += `project${route}`;
+  }
+  return returnUrl;
+}