diff --git a/src/constants/AvailableWebsites.js b/src/constants/AvailableWebsites.ts
similarity index 100%
rename from src/constants/AvailableWebsites.js
rename to src/constants/AvailableWebsites.ts
diff --git a/src/constants/NewsSourcesConstants.js b/src/constants/NewsSourcesConstants.ts
similarity index 86%
rename from src/constants/NewsSourcesConstants.js
rename to src/constants/NewsSourcesConstants.ts
index 1758047..d9aba6c 100644
--- a/src/constants/NewsSourcesConstants.js
+++ b/src/constants/NewsSourcesConstants.ts
@@ -19,12 +19,12 @@
 
 // @flow
 
-import ICON_AMICALE from '../../assets/amicale.png';
-import ICON_CAMPUS from '../../assets/android.icon.png';
+const ICON_AMICALE = require('../../assets/amicale.png');
+const ICON_CAMPUS = require('../../assets/android.icon.png');
 
 export type NewsSourceType = {
-  icon: number,
-  name: string,
+  icon: number;
+  name: string;
 };
 
 export default {
diff --git a/src/constants/ProxiwashConstants.js b/src/constants/ProxiwashConstants.ts
similarity index 89%
rename from src/constants/ProxiwashConstants.js
rename to src/constants/ProxiwashConstants.ts
index 3d69eb7..c7bda36 100644
--- a/src/constants/ProxiwashConstants.js
+++ b/src/constants/ProxiwashConstants.ts
@@ -27,15 +27,15 @@ export default {
     ERROR: 5,
     UNKNOWN: 6,
   },
-  stateIcons: {
-    0: 'radiobox-blank',
-    1: 'progress-check',
-    2: 'alert-circle-outline',
-    3: 'check-circle',
-    4: 'alert-octagram-outline',
-    5: 'alert',
-    6: 'help-circle-outline',
-  },
+  stateIcons: [
+    'radiobox-blank',
+    'progress-check',
+    'alert-circle-outline',
+    'check-circle',
+    'alert-octagram-outline',
+    'alert',
+    'help-circle-outline',
+  ],
   washinsa: {
     id: 'washinsa',
     title: 'screens.proxiwash.washinsa.title',
diff --git a/src/constants/Update.js b/src/constants/Update.tsx
similarity index 83%
rename from src/constants/Update.js
rename to src/constants/Update.tsx
index 950ce17..807b088 100644
--- a/src/constants/Update.js
+++ b/src/constants/Update.tsx
@@ -17,8 +17,6 @@
  * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-// @flow
-
 import * as React from 'react';
 import i18n from 'i18n-js';
 import type {IntroSlideType} from '../components/Overrides/CustomIntroSlider';
@@ -49,16 +47,16 @@ export default class Update {
     this.updateSlides = [
       {
         key: '0',
-        title: i18n.t(`intro.updateSlide0.title`),
-        text: i18n.t(`intro.updateSlide0.text`),
-        view: (): React.Node => <MascotIntroWelcome />,
+        title: i18n.t('intro.updateSlide0.title'),
+        text: i18n.t('intro.updateSlide0.text'),
+        view: () => <MascotIntroWelcome />,
         colors: ['#be1522', '#57080e'],
       },
       {
         key: '1',
-        title: i18n.t(`intro.updateSlide1.title`),
-        text: i18n.t(`intro.updateSlide1.text`),
-        view: (): React.Node => <IntroIcon icon="account-heart-outline" />,
+        title: i18n.t('intro.updateSlide1.title'),
+        text: i18n.t('intro.updateSlide1.text'),
+        view: () => <IntroIcon icon="account-heart-outline" />,
         colors: ['#9c165b', '#3e042b'],
       },
     ];