Preferences: conditionally display post format (Markdown) settings

app/soapbox/features/preferences/index.js

@@ -5,6 +5,7 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import { getSettings, changeSetting } from 'soapbox/actions/settings';
+import { getFeatures } from 'soapbox/utils/features';
 import Column from '../ui/components/column';
 import {
   SimpleForm,
@@ -84,9 +85,14 @@ const messages = defineMessages({
   display_media_show_all: { id: 'preferences.fields.display_media.show_all', defaultMessage: 'Always show media' },
 });
 
-const mapStateToProps = state => ({
+const mapStateToProps = state => {
+  const instance = state.get('instance');
+
+  return {
+    features: getFeatures(instance),
     settings: getSettings(state),
-});
+  };
+};
 
 export default @connect(mapStateToProps)
 @injectIntl
@@ -95,6 +101,7 @@ class Preferences extends ImmutablePureComponent {
   static propTypes = {
     dispatch: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
+    features: PropTypes.object.isRequired,
     settings: ImmutablePropTypes.map,
   };
 
@@ -115,7 +122,7 @@ class Preferences extends ImmutablePureComponent {
   }
 
   render() {
-    const { settings, intl } = this.props;
+    const { settings, features, intl } = this.props;
 
     const displayMediaOptions = {
       default: intl.formatMessage(messages.display_media_default),
@@ -170,6 +177,7 @@ class Preferences extends ImmutablePureComponent {
             </RadioGroup>
           </FieldsGroup>
 
+          {features.richText && (
             <FieldsGroup>
               <RadioGroup
                 label={<FormattedMessage id='preferences.fields.content_type_label' defaultMessage='Post format' />}
@@ -188,6 +196,7 @@ class Preferences extends ImmutablePureComponent {
                 />
               </RadioGroup>
             </FieldsGroup>
+          )}
 
           <FieldsGroup>
             <SettingsCheckbox