fix(columns_area): Show correct title for preview columns (#4310)

app/javascript/mastodon/features/ui/components/columns_area.js

@@ -1,5 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
+import { injectIntl } from 'react-intl';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 
@@ -21,6 +22,7 @@ const componentMap = {
   'FAVOURITES': FavouritedStatuses,
 };
 
+@injectIntl
 export default class ColumnsArea extends ImmutablePureComponent {
 
   static contextTypes = {
@@ -28,6 +30,7 @@ export default class ColumnsArea extends ImmutablePureComponent {
   };
 
   static propTypes = {
+    intl: PropTypes.object.isRequired,
     columns: ImmutablePropTypes.list.isRequired,
     singleColumn: PropTypes.bool,
     children: PropTypes.node,
@@ -64,8 +67,8 @@ export default class ColumnsArea extends ImmutablePureComponent {
 
   renderView = (link, index) => {
     const columnIndex = getIndex(this.context.router.history.location.pathname);
-    const title = link.props.children[1] && React.cloneElement(link.props.children[1]);
-    const icon = (link.props.children[0] || link.props.children).props.className.split(' ')[2].split('-')[1];
+    const title = this.props.intl.formatMessage({ id: link.props['data-preview-title-id'] });
+    const icon = link.props['data-preview-icon'];
 
     const view = (index === columnIndex) ?
       React.cloneElement(this.props.children) :

app/javascript/mastodon/features/ui/components/tabs_bar.js

@@ -3,14 +3,14 @@ import NavLink from 'react-router-dom/NavLink';
 import { FormattedMessage } from 'react-intl';
 
 export const links = [
-  <NavLink className='tabs-bar__link primary' activeClassName='active' to='/statuses/new'><i className='fa fa-fw fa-pencil' /><FormattedMessage id='tabs_bar.compose' defaultMessage='Compose' /></NavLink>,
-  <NavLink className='tabs-bar__link primary' activeClassName='active' to='/timelines/home'><i className='fa fa-fw fa-home' /><FormattedMessage id='tabs_bar.home' defaultMessage='Home' /></NavLink>,
-  <NavLink className='tabs-bar__link primary' activeClassName='active' to='/notifications'><i className='fa fa-fw fa-bell' /><FormattedMessage id='tabs_bar.notifications' defaultMessage='Notifications' /></NavLink>,
+  <NavLink className='tabs-bar__link primary' activeClassName='active' to='/statuses/new' data-preview-title-id='tabs_bar.compose' data-preview-icon='pencil' ><i className='fa fa-fw fa-pencil' /><FormattedMessage id='tabs_bar.compose' defaultMessage='Compose' /></NavLink>,
+  <NavLink className='tabs-bar__link primary' activeClassName='active' to='/timelines/home' data-preview-title-id='column.home' data-preview-icon='home' ><i className='fa fa-fw fa-home' /><FormattedMessage id='tabs_bar.home' defaultMessage='Home' /></NavLink>,
+  <NavLink className='tabs-bar__link primary' activeClassName='active' to='/notifications' data-preview-title-id='column.notifications' data-preview-icon='bell' ><i className='fa fa-fw fa-bell' /><FormattedMessage id='tabs_bar.notifications' defaultMessage='Notifications' /></NavLink>,
 
-  <NavLink className='tabs-bar__link secondary' activeClassName='active' to='/timelines/public/local'><i className='fa fa-fw fa-users' /><FormattedMessage id='tabs_bar.local_timeline' defaultMessage='Local' /></NavLink>,
-  <NavLink className='tabs-bar__link secondary' activeClassName='active' exact to='/timelines/public'><i className='fa fa-fw fa-globe' /><FormattedMessage id='tabs_bar.federated_timeline' defaultMessage='Federated' /></NavLink>,
+  <NavLink className='tabs-bar__link secondary' activeClassName='active' to='/timelines/public/local' data-preview-title-id='column.community' data-preview-icon='users' ><i className='fa fa-fw fa-users' /><FormattedMessage id='tabs_bar.local_timeline' defaultMessage='Local' /></NavLink>,
+  <NavLink className='tabs-bar__link secondary' activeClassName='active' exact to='/timelines/public' data-preview-title-id='column.public' data-preview-icon='globe' ><i className='fa fa-fw fa-globe' /><FormattedMessage id='tabs_bar.federated_timeline' defaultMessage='Federated' /></NavLink>,
 
-  <NavLink className='tabs-bar__link primary' activeClassName='active' style={{ flexGrow: '0', flexBasis: '30px' }} to='/getting-started'><i className='fa fa-fw fa-asterisk' /></NavLink>,
+  <NavLink className='tabs-bar__link primary' activeClassName='active' style={{ flexGrow: '0', flexBasis: '30px' }} to='/getting-started' data-preview-title-id='tabs_bar.federated_timeline' data-preview-icon='asterisk' ><i className='fa fa-fw fa-asterisk' /></NavLink>,
 ];
 
 export function getIndex (path) {