2 files changed, 11 insertions, 0 deletions
diff --git a/web/react/utils/constants.jsx b/web/react/utils/constants.jsx
index 372e15556..2009e07dd 100644
--- a/web/react/utils/constants.jsx
+++ b/web/react/utils/constants.jsx
@@ -398,5 +398,12 @@ export default {
     },
     NotificationPrefs: {
         MENTION: 'mention'
+    },
+    FeatureTogglePrefix: 'feature_enabled_',
+    PRE_RELEASE_FEATURES: {
+        MARKDOWN_PREVIEW: {
+            label: 'markdown_preview', // github issue: https://github.com/mattermost/platform/pull/1389
+            description: 'Show markdown preview option in message input box'
+        }
     }
 };
diff --git a/web/react/utils/utils.jsx b/web/react/utils/utils.jsx
index 9b2f7e057..80c377d7f 100644
--- a/web/react/utils/utils.jsx
+++ b/web/react/utils/utils.jsx
@@ -1221,3 +1221,7 @@ export function getPostTerm(post) {
 
     return postTerm;
 }
+
+export function isFeatureEnabled(feature) {
+    return PreferenceStore.getPreference(Constants.Preferences.CATEGORY_ADVANCED_SETTINGS, Constants.FeatureTogglePrefix + feature.label, {value: 'false'}).value === 'true';
+}