2 files changed, 4 insertions, 4 deletions

diff --git a/shared/models/i18n/i18n.ts b/shared/models/i18n/i18n.ts
index 36688382d..27b911b75 100644
--- a/shared/models/i18n/i18n.ts
+++ b/shared/models/i18n/i18n.ts
@@ -69,11 +69,11 @@ export function peertubeTranslate (str: string, translations?: { [ id: string ]:
 
 const possiblePaths = POSSIBLE_LOCALES.map(l => '/' + l)
 export function is18nPath (path: string) {
-  return possiblePaths.indexOf(path) !== -1
+  return possiblePaths.includes(path)
 }
 
 export function is18nLocale (locale: string) {
-  return POSSIBLE_LOCALES.indexOf(locale) !== -1
+  return POSSIBLE_LOCALES.includes(locale)
 }
 
 export function getCompleteLocale (locale: string) {
@@ -85,7 +85,7 @@ export function getCompleteLocale (locale: string) {
 }
 
 export function getShortLocale (locale: string) {
-  if (locale.indexOf('-') === -1) return locale
+  if (locale.includes('-') === false) return locale
 
   return locale.split('-')[0]
 }
diff --git a/shared/models/users/user-role.ts b/shared/models/users/user-role.ts
index ae3a0d983..2b08b5850 100644
--- a/shared/models/users/user-role.ts
+++ b/shared/models/users/user-role.ts
@@ -38,5 +38,5 @@ const userRoleRights: { [ id in UserRole ]: UserRight[] } = {
 export function hasUserRight (userRole: UserRole, userRight: UserRight) {
   const userRights = userRoleRights[userRole]
 
-  return userRights.indexOf(UserRight.ALL) !== -1 || userRights.indexOf(userRight) !== -1
+  return userRights.includes(UserRight.ALL) || userRights.includes(userRight)
 }