diff --git a/app/javascript/mastodon/actions/accounts.js b/app/javascript/mastodon/actions/accounts.js
index d4a824e2c..4af36e998 100644
--- a/app/javascript/mastodon/actions/accounts.js
+++ b/app/javascript/mastodon/actions/accounts.js
@@ -106,7 +106,7 @@ export function fetchAccount(id) {
       dispatch,
       getState,
       db.transaction('accounts', 'read').objectStore('accounts').index('id'),
-      id
+      id,
     ).then(() => db.close(), error => {
       db.close();
       throw error;
diff --git a/app/javascript/mastodon/components/intersection_observer_article.js b/app/javascript/mastodon/components/intersection_observer_article.js
index e453730ba..124b34b02 100644
--- a/app/javascript/mastodon/components/intersection_observer_article.js
+++ b/app/javascript/mastodon/components/intersection_observer_article.js
@@ -44,7 +44,7 @@ export default class IntersectionObserverArticle extends React.Component {
     intersectionObserverWrapper.observe(
       id,
       this.node,
-      this.handleIntersection
+      this.handleIntersection,
     );
 
     this.componentMounted = true;
diff --git a/app/javascript/mastodon/features/blocks/index.js b/app/javascript/mastodon/features/blocks/index.js
index 051431ed2..870c0de09 100644
--- a/app/javascript/mastodon/features/blocks/index.js
+++ b/app/javascript/mastodon/features/blocks/index.js
@@ -68,7 +68,7 @@ class Blocks extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {accountIds.map(id =>
-            <AccountContainer key={id} id={id} />
+            <AccountContainer key={id} id={id} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/compose/components/poll_form.js b/app/javascript/mastodon/features/compose/components/poll_form.js
index 01df31d3a..fa2b0609e 100644
--- a/app/javascript/mastodon/features/compose/components/poll_form.js
+++ b/app/javascript/mastodon/features/compose/components/poll_form.js
@@ -155,6 +155,7 @@ class PollForm extends ImmutablePureComponent {
         <div className='poll__footer'>
           <button disabled={options.size >= 4} className='button button-secondary' onClick={this.handleAddOption}><Icon id='plus' /> <FormattedMessage {...messages.add_option} /></button>
 
+          {/* eslint-disable-next-line jsx-a11y/no-onchange */}
           <select value={expiresIn} onChange={this.handleSelectDuration}>
             <option value={300}>{intl.formatMessage(messages.minutes, { number: 5 })}</option>
             <option value={1800}>{intl.formatMessage(messages.minutes, { number: 30 })}</option>
diff --git a/app/javascript/mastodon/features/domain_blocks/index.js b/app/javascript/mastodon/features/domain_blocks/index.js
index 482245c86..06533d5ac 100644
--- a/app/javascript/mastodon/features/domain_blocks/index.js
+++ b/app/javascript/mastodon/features/domain_blocks/index.js
@@ -69,7 +69,7 @@ class Blocks extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {domains.map(domain =>
-            <DomainContainer key={domain} domain={domain} />
+            <DomainContainer key={domain} domain={domain} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/favourites/index.js b/app/javascript/mastodon/features/favourites/index.js
index 249e6a044..75cb00c0e 100644
--- a/app/javascript/mastodon/features/favourites/index.js
+++ b/app/javascript/mastodon/features/favourites/index.js
@@ -79,7 +79,7 @@ class Favourites extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {accountIds.map(id =>
-            <AccountContainer key={id} id={id} withNote={false} />
+            <AccountContainer key={id} id={id} withNote={false} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/follow_requests/index.js b/app/javascript/mastodon/features/follow_requests/index.js
index 57ef44145..bef56fab5 100644
--- a/app/javascript/mastodon/features/follow_requests/index.js
+++ b/app/javascript/mastodon/features/follow_requests/index.js
@@ -68,7 +68,7 @@ class FollowRequests extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {accountIds.map(id =>
-            <AccountAuthorizeContainer key={id} id={id} />
+            <AccountAuthorizeContainer key={id} id={id} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/followers/index.js b/app/javascript/mastodon/features/followers/index.js
index 9e635d250..f8723e055 100644
--- a/app/javascript/mastodon/features/followers/index.js
+++ b/app/javascript/mastodon/features/followers/index.js
@@ -93,7 +93,7 @@ class Followers extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {blockedBy ? [] : accountIds.map(id =>
-            <AccountContainer key={id} id={id} withNote={false} />
+            <AccountContainer key={id} id={id} withNote={false} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/following/index.js b/app/javascript/mastodon/features/following/index.js
index 284ae2c11..5112bfa9d 100644
--- a/app/javascript/mastodon/features/following/index.js
+++ b/app/javascript/mastodon/features/following/index.js
@@ -93,7 +93,7 @@ class Following extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {blockedBy ? [] : accountIds.map(id =>
-            <AccountContainer key={id} id={id} withNote={false} />
+            <AccountContainer key={id} id={id} withNote={false} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/getting_started/index.js b/app/javascript/mastodon/features/getting_started/index.js
index adbc147d1..d9838e1c7 100644
--- a/app/javascript/mastodon/features/getting_started/index.js
+++ b/app/javascript/mastodon/features/getting_started/index.js
@@ -106,20 +106,20 @@ class GettingStarted extends ImmutablePureComponent {
 
       if (profile_directory) {
         navItems.push(
-          <ColumnLink key={i++} icon='address-book' text={intl.formatMessage(messages.profile_directory)} to='/directory' />
+          <ColumnLink key={i++} icon='address-book' text={intl.formatMessage(messages.profile_directory)} to='/directory' />,
         );
 
         height += 48;
       }
 
       navItems.push(
-        <ColumnSubheading key={i++} text={intl.formatMessage(messages.personal)} />
+        <ColumnSubheading key={i++} text={intl.formatMessage(messages.personal)} />,
       );
 
       height += 34;
     } else if (profile_directory) {
       navItems.push(
-        <ColumnLink key={i++} icon='address-book' text={intl.formatMessage(messages.profile_directory)} to='/directory' />
+        <ColumnLink key={i++} icon='address-book' text={intl.formatMessage(messages.profile_directory)} to='/directory' />,
       );
 
       height += 48;
@@ -129,7 +129,7 @@ class GettingStarted extends ImmutablePureComponent {
       <ColumnLink key={i++} icon='envelope' text={intl.formatMessage(messages.direct)} to='/timelines/direct' />,
       <ColumnLink key={i++} icon='bookmark' text={intl.formatMessage(messages.bookmarks)} to='/bookmarks' />,
       <ColumnLink key={i++} icon='star' text={intl.formatMessage(messages.favourites)} to='/favourites' />,
-      <ColumnLink key={i++} icon='list-ul' text={intl.formatMessage(messages.lists)} to='/lists' />
+      <ColumnLink key={i++} icon='list-ul' text={intl.formatMessage(messages.lists)} to='/lists' />,
     );
 
     height += 48*4;
diff --git a/app/javascript/mastodon/features/lists/index.js b/app/javascript/mastodon/features/lists/index.js
index 7f7f5009c..ca1fa1f5e 100644
--- a/app/javascript/mastodon/features/lists/index.js
+++ b/app/javascript/mastodon/features/lists/index.js
@@ -74,7 +74,7 @@ class Lists extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {lists.map(list =>
-            <ColumnLink key={list.get('id')} to={`/timelines/list/${list.get('id')}`} icon='list-ul' text={list.get('title')} />
+            <ColumnLink key={list.get('id')} to={`/timelines/list/${list.get('id')}`} icon='list-ul' text={list.get('title')} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/mutes/index.js b/app/javascript/mastodon/features/mutes/index.js
index 91dd268c1..3f58a62d2 100644
--- a/app/javascript/mastodon/features/mutes/index.js
+++ b/app/javascript/mastodon/features/mutes/index.js
@@ -68,7 +68,7 @@ class Mutes extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {accountIds.map(id =>
-            <AccountContainer key={id} id={id} />
+            <AccountContainer key={id} id={id} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/reblogs/index.js b/app/javascript/mastodon/features/reblogs/index.js
index 9179e51db..4becb5fb7 100644
--- a/app/javascript/mastodon/features/reblogs/index.js
+++ b/app/javascript/mastodon/features/reblogs/index.js
@@ -79,7 +79,7 @@ class Reblogs extends ImmutablePureComponent {
           bindToDocument={!multiColumn}
         >
           {accountIds.map(id =>
-            <AccountContainer key={id} id={id} withNote={false} />
+            <AccountContainer key={id} id={id} withNote={false} />,
           )}
         </ScrollableList>
       </Column>
diff --git a/app/javascript/mastodon/features/status/components/card.js b/app/javascript/mastodon/features/status/components/card.js
index 2993fe29a..b8344a667 100644
--- a/app/javascript/mastodon/features/status/components/card.js
+++ b/app/javascript/mastodon/features/status/components/card.js
@@ -98,7 +98,7 @@ export default class Card extends React.PureComponent {
           },
         },
       ]),
-      0
+      0,
     );
   };
 
diff --git a/app/javascript/mastodon/features/ui/components/__tests__/column-test.js b/app/javascript/mastodon/features/ui/components/__tests__/column-test.js
index 11cc1b6e8..89cb2458d 100644
--- a/app/javascript/mastodon/features/ui/components/__tests__/column-test.js
+++ b/app/javascript/mastodon/features/ui/components/__tests__/column-test.js
@@ -19,7 +19,7 @@ describe('<Column />', () => {
       const wrapper = mount(
         <Column heading='notifications'>
           <div className='scrollable' />
-        </Column>
+        </Column>,
       );
       wrapper.find(ColumnHeader).find('button').simulate('click');
       expect(global.requestAnimationFrame.mock.calls.length).toEqual(1);
diff --git a/app/javascript/mastodon/reducers/notifications.js b/app/javascript/mastodon/reducers/notifications.js
index 60e901e39..ed1ba0272 100644
--- a/app/javascript/mastodon/reducers/notifications.js
+++ b/app/javascript/mastodon/reducers/notifications.js
@@ -72,11 +72,11 @@ const expandNormalizedNotifications = (state, notifications, next, isLoadingRece
 
       mutable.update(usePendingItems ? 'pendingItems' : 'items', list => {
         const lastIndex = 1 + list.findLastIndex(
-          item => item !== null && (compareId(item.get('id'), items.last().get('id')) > 0 || item.get('id') === items.last().get('id'))
+          item => item !== null && (compareId(item.get('id'), items.last().get('id')) > 0 || item.get('id') === items.last().get('id')),
         );
 
         const firstIndex = 1 + list.take(lastIndex).findLastIndex(
-          item => item !== null && compareId(item.get('id'), items.first().get('id')) > 0
+          item => item !== null && compareId(item.get('id'), items.first().get('id')) > 0,
         );
 
         return list.take(firstIndex).concat(items, list.skip(lastIndex));
diff --git a/app/javascript/mastodon/reducers/timelines.js b/app/javascript/mastodon/reducers/timelines.js
index 0d7222e10..63b76773d 100644
--- a/app/javascript/mastodon/reducers/timelines.js
+++ b/app/javascript/mastodon/reducers/timelines.js
@@ -54,7 +54,7 @@ const expandNormalizedTimeline = (state, timeline, statuses, next, isPartial, is
 
         return oldIds.take(firstIndex + 1).concat(
           isPartial && oldIds.get(firstIndex) !== null ? newIds.unshift(null) : newIds,
-          oldIds.skip(lastIndex)
+          oldIds.skip(lastIndex),
         );
       });
     }
@@ -166,7 +166,7 @@ export default function timelines(state = initialState, action) {
     return state.update(
       action.timeline,
       initialTimeline,
-      map => map.set('online', false).update(action.usePendingItems ? 'pendingItems' : 'items', items => items.first() ? items.unshift(null) : items)
+      map => map.set('online', false).update(action.usePendingItems ? 'pendingItems' : 'items', items => items.first() ? items.unshift(null) : items),
     );
   default:
     return state;
diff --git a/app/javascript/mastodon/selectors/index.js b/app/javascript/mastodon/selectors/index.js
index 6a48f3b3f..673268c5a 100644
--- a/app/javascript/mastodon/selectors/index.js
+++ b/app/javascript/mastodon/selectors/index.js
@@ -117,7 +117,7 @@ export const makeGetStatus = () => {
         map.set('account', accountBase);
         map.set('filtered', filtered);
       });
-    }
+    },
   );
 };
 
diff --git a/app/javascript/mastodon/service_worker/web_push_notifications.js b/app/javascript/mastodon/service_worker/web_push_notifications.js
index 1ab0dc0fa..958e5fc12 100644
--- a/app/javascript/mastodon/service_worker/web_push_notifications.js
+++ b/app/javascript/mastodon/service_worker/web_push_notifications.js
@@ -117,7 +117,7 @@ const handlePush = (event) => {
         badge: '/badge.png',
         data: { access_token, preferred_locale, url: '/web/notifications' },
       });
-    })
+    }),
   );
 };
 
diff --git a/app/javascript/mastodon/store/configureStore.js b/app/javascript/mastodon/store/configureStore.js
index 7e7472841..e18af842f 100644
--- a/app/javascript/mastodon/store/configureStore.js
+++ b/app/javascript/mastodon/store/configureStore.js
@@ -10,6 +10,6 @@ export default function configureStore() {
     thunk,
     loadingBarMiddleware({ promiseTypeSuffixes: ['REQUEST', 'SUCCESS', 'FAIL'] }),
     errorsMiddleware(),
-    soundsMiddleware()
+    soundsMiddleware(),
   ), window.__REDUX_DEVTOOLS_EXTENSION__ ? window.__REDUX_DEVTOOLS_EXTENSION__() : f => f));
 };
diff --git a/config/webpack/development.js b/config/webpack/development.js
index 56f6e43f0..774ecbc07 100644
--- a/config/webpack/development.js
+++ b/config/webpack/development.js
@@ -54,7 +54,7 @@ module.exports = merge(sharedConfig, {
     watchOptions: Object.assign(
       {},
       settings.dev_server.watch_options,
-      watchOptions
+      watchOptions,
     ),
     writeToDisk: filePath => /ocr/.test(filePath),
   },
diff --git a/config/webpack/shared.js b/config/webpack/shared.js
index d5e399ced..81c02acd4 100644
--- a/config/webpack/shared.js
+++ b/config/webpack/shared.js
@@ -31,7 +31,7 @@ module.exports = {
     Object.keys(themes).reduce((themePaths, name) => {
       themePaths[name] = resolve(join(settings.source_path, themes[name]));
       return themePaths;
-    }, {})
+    }, {}),
   ),
 
   output: {
@@ -73,7 +73,7 @@ module.exports = {
         // temporary fix for https://github.com/ReactTraining/react-router/issues/5576
         // to reduce bundle size
         resource.request = resource.request.replace(/^history/, 'history/es');
-      }
+      },
     ),
     new MiniCssExtractPlugin({
       filename: 'css/[name]-[contenthash:8].css',