Upgrade Babel to version 7.0.0 (#5925)

.babelrc

-{
-  "presets": [
-    "react",
-    [
-      "env",
-      {
-        "exclude": ["transform-async-to-generator", "transform-regenerator"],
-        "loose": true,
-        "modules": false,
-        "targets": {
-          "browsers": ["last 2 versions", "IE >= 11", "iOS >= 9"]
-        }
-      }
-    ]
-  ],
-  "plugins": [
-    "syntax-dynamic-import",
-    ["transform-object-rest-spread", { "useBuiltIns": true }],
-    "transform-decorators-legacy",
-    "transform-class-properties",
-    [
-      "react-intl",
-      {
-        "messagesDir": "./build/messages"
-      }
-    ],
-    "preval"
-  ],
-  "env": {
-    "development": {
-      "plugins": [
-        "transform-react-jsx-source",
-        "transform-react-jsx-self"
-      ]
-    },
-    "production": {
-      "plugins": [
-        "lodash",
-        [
-          "transform-react-remove-prop-types",
-          {
-            "mode": "remove",
-            "removeImport": true,
-            "additionalLibraries": [
-              "react-immutable-proptypes"
-            ]
-          }
-        ],
-        "transform-react-inline-elements",
-        [
-          "transform-runtime",
-          {
-            "helpers": true,
-            "polyfill": false,
-            "regenerator": false
-          }
-        ]
-      ]
-    },
-    "test": {
-      "plugins": [
-        "transform-es2015-modules-commonjs"
-      ]
-    }
-  }
-}

Gemfile

@@ -87,7 +87,7 @@ gem 'tty-command', '~> 0.8', require: false
 gem 'tty-prompt', '~> 0.16', require: false
 gem 'twitter-text', '~> 1.14'
 gem 'tzinfo-data', '~> 1.2018'
-gem 'webpacker', '~> 3.4'
+gem 'webpacker', '~> 3.5'
 gem 'webpush'
 
 gem 'json-ld', '~> 2.2'

Gemfile.lock

@@ -627,7 +627,7 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
-    webpacker (3.4.3)
+    webpacker (3.5.5)
       activesupport (>= 4.2)
       rack-proxy (>= 0.6.1)
       railties (>= 4.2)
@@ -758,7 +758,7 @@ DEPENDENCIES
   twitter-text (~> 1.14)
   tzinfo-data (~> 1.2018)
   webmock (~> 3.3)
-  webpacker (~> 3.4)
+  webpacker (~> 3.5)
   webpush
 
 RUBY VERSION

app/javascript/mastodon/components/__tests__/__snapshots__/button-test.js.snap

@@ -3,7 +3,6 @@
 exports[`<Button /> adds class "button-secondary" if props.secondary given 1`] = `
 <button
   className="button button-secondary"
-  disabled={undefined}
   onClick={[Function]}
   style={
     Object {
@@ -18,7 +17,6 @@ exports[`<Button /> adds class "button-secondary" if props.secondary given 1`] =
 exports[`<Button /> renders a button element 1`] = `
 <button
   className="button"
-  disabled={undefined}
   onClick={[Function]}
   style={
     Object {
@@ -48,7 +46,6 @@ exports[`<Button /> renders a disabled attribute if props.disabled given 1`] = `
 exports[`<Button /> renders class="button--block" if props.block given 1`] = `
 <button
   className="button button--block"
-  disabled={undefined}
   onClick={[Function]}
   style={
     Object {
@@ -63,7 +60,6 @@ exports[`<Button /> renders class="button--block" if props.block given 1`] = `
 exports[`<Button /> renders the children 1`] = `
 <button
   className="button"
-  disabled={undefined}
   onClick={[Function]}
   style={
     Object {
@@ -82,7 +78,6 @@ exports[`<Button /> renders the children 1`] = `
 exports[`<Button /> renders the given text 1`] = `
 <button
   className="button"
-  disabled={undefined}
   onClick={[Function]}
   style={
     Object {
@@ -99,7 +94,6 @@ exports[`<Button /> renders the given text 1`] = `
 exports[`<Button /> renders the props.text instead of children 1`] = `
 <button
   className="button"
-  disabled={undefined}
   onClick={[Function]}
   style={
     Object {

app/javascript/mastodon/components/account.js

@@ -19,8 +19,8 @@ const messages = defineMessages({
   unmute_notifications: { id: 'account.unmute_notifications', defaultMessage: 'Unmute notifications from @{name}' },
 });
 
-@injectIntl
-export default class Account extends ImmutablePureComponent {
+export default @injectIntl
+class Account extends ImmutablePureComponent {
 
   static propTypes = {
     account: ImmutablePropTypes.map.isRequired,

app/javascript/mastodon/components/column_header.js

@@ -10,8 +10,8 @@ const messages = defineMessages({
   moveRight: { id: 'column_header.moveRight_settings', defaultMessage: 'Move column to the right' },
 });
 
-@injectIntl
-export default class ColumnHeader extends React.PureComponent {
+export default @injectIntl
+class ColumnHeader extends React.PureComponent {
 
   static contextTypes = {
     router: PropTypes.object,

app/javascript/mastodon/components/domain.js

@@ -8,8 +8,8 @@ const messages = defineMessages({
   unblockDomain: { id: 'account.unblock_domain', defaultMessage: 'Unhide {domain}' },
 });
 
-@injectIntl
-export default class Account extends ImmutablePureComponent {
+export default @injectIntl
+class Account extends ImmutablePureComponent {
 
   static propTypes = {
     domain: PropTypes.string,

app/javascript/mastodon/components/load_gap.js

@@ -6,8 +6,8 @@ const messages = defineMessages({
   load_more: { id: 'status.load_more', defaultMessage: 'Load more' },
 });
 
-@injectIntl
-export default class LoadGap extends React.PureComponent {
+export default @injectIntl
+class LoadGap extends React.PureComponent {
 
   static propTypes = {
     disabled: PropTypes.bool,

app/javascript/mastodon/components/media_gallery.js

@@ -179,8 +179,8 @@ class Item extends React.PureComponent {
 
 }
 
-@injectIntl
-export default class MediaGallery extends React.PureComponent {
+export default @injectIntl
+class MediaGallery extends React.PureComponent {
 
   static propTypes = {
     sensitive: PropTypes.bool,

app/javascript/mastodon/components/relative_timestamp.js

@@ -86,8 +86,8 @@ export const timeAgoString = (intl, date, now, year) => {
   return relativeTime;
 };
 
-@injectIntl
-export default class RelativeTimestamp extends React.Component {
+export default @injectIntl
+class RelativeTimestamp extends React.Component {
 
   static propTypes = {
     intl: PropTypes.object.isRequired,

app/javascript/mastodon/components/status.js

@@ -35,8 +35,8 @@ export const textForScreenReader = (intl, status, rebloggedByText = false) => {
   return values.join(', ');
 };
 
-@injectIntl
-export default class Status extends ImmutablePureComponent {
+export default @injectIntl
+class Status extends ImmutablePureComponent {
 
   static contextTypes = {
     router: PropTypes.object,

app/javascript/mastodon/components/status_action_bar.js

@@ -42,8 +42,8 @@ const obfuscatedCount = count => {
   }
 };
 
-@injectIntl
-export default class StatusActionBar extends ImmutablePureComponent {
+export default @injectIntl
+class StatusActionBar extends ImmutablePureComponent {
 
   static contextTypes = {
     router: PropTypes.object,

app/javascript/mastodon/features/account/components/action_bar.js

@@ -36,8 +36,8 @@ const messages = defineMessages({
   unendorse: { id: 'account.unendorse', defaultMessage: 'Don\'t feature on profile' },
 });
 
-@injectIntl
-export default class ActionBar extends React.PureComponent {
+export default @injectIntl
+class ActionBar extends React.PureComponent {
 
   static propTypes = {
     account: ImmutablePropTypes.map.isRequired,

app/javascript/mastodon/features/account/components/header.js

@@ -65,8 +65,8 @@ class Avatar extends ImmutablePureComponent {
 
 }
 
-@injectIntl
-export default class Header extends ImmutablePureComponent {
+export default @injectIntl
+class Header extends ImmutablePureComponent {
 
   static propTypes = {
     account: ImmutablePropTypes.map,

app/javascript/mastodon/features/account_gallery/index.js

@@ -43,8 +43,8 @@ class LoadMoreMedia extends ImmutablePureComponent {
 
 }
 
-@connect(mapStateToProps)
-export default class AccountGallery extends ImmutablePureComponent {
+export default @connect(mapStateToProps)
+class AccountGallery extends ImmutablePureComponent {
 
   static propTypes = {
     params: PropTypes.object.isRequired,

app/javascript/mastodon/features/account_timeline/index.js

@@ -23,8 +23,8 @@ const mapStateToProps = (state, { params: { accountId }, withReplies = false })
   };
 };
 
-@connect(mapStateToProps)
-export default class AccountTimeline extends ImmutablePureComponent {
+export default @connect(mapStateToProps)
+class AccountTimeline extends ImmutablePureComponent {
 
   static propTypes = {
     params: PropTypes.object.isRequired,

app/javascript/mastodon/features/blocks/index.js

@@ -20,9 +20,9 @@ const mapStateToProps = state => ({
   accountIds: state.getIn(['user_lists', 'blocks', 'items']),
 });
 
-@connect(mapStateToProps)
+export default @connect(mapStateToProps)
 @injectIntl
-export default class Blocks extends ImmutablePureComponent {
+class Blocks extends ImmutablePureComponent {
 
   static propTypes = {
     params: PropTypes.object.isRequired,

app/javascript/mastodon/features/community_timeline/components/column_settings.js

@@ -4,8 +4,8 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import { injectIntl, FormattedMessage } from 'react-intl';
 import SettingToggle from '../../notifications/components/setting_toggle';
 
-@injectIntl
-export default class ColumnSettings extends React.PureComponent {
+export default @injectIntl
+class ColumnSettings extends React.PureComponent {
 
   static propTypes = {
     settings: ImmutablePropTypes.map.isRequired,

app/javascript/mastodon/features/community_timeline/index.js

@@ -25,9 +25,9 @@ const mapStateToProps = (state, { onlyMedia, columnId }) => {
   };
 };
 
-@connect(mapStateToProps)
+export default @connect(mapStateToProps)
 @injectIntl
-export default class CommunityTimeline extends React.PureComponent {
+class CommunityTimeline extends React.PureComponent {
 
   static contextTypes = {
     router: PropTypes.object,

app/javascript/mastodon/features/compose/components/action_bar.js

@@ -17,8 +17,8 @@ const messages = defineMessages({
   filters: { id: 'navigation_bar.filters', defaultMessage: 'Muted words' },
 });
 
-@injectIntl
-export default class ActionBar extends React.PureComponent {
+export default @injectIntl
+class ActionBar extends React.PureComponent {
 
   static propTypes = {
     account: ImmutablePropTypes.map.isRequired,