Updating client dependencies. Switching to yarn. (#6433)

* Updating client dependancies. Switching to using yarn.

* Updating React

* Moving pure components to using function syntax (performance gains with newer react version)

* Updating client dependancies.

* Ignore .yarninstall

* Enabling pre-lockfile because it's the entire point of using yarn.

* Removing old webpack config

* Moving to new prop-types

* Fixing ESLint Errors

* Updating jest snapshots.

* Cleaning up package.json

1 files changed, 5 insertions, 4 deletions

diff --git a/webapp/components/channel_notifications_modal.jsx b/webapp/components/channel_notifications_modal.jsx
index d1fd81057..e924b3d45 100644
--- a/webapp/components/channel_notifications_modal.jsx
+++ b/webapp/components/channel_notifications_modal.jsx
@@ -5,6 +5,7 @@ import SettingItemMin from 'components/setting_item_min.jsx';
 import SettingItemMax from 'components/setting_item_max.jsx';
 
 import $ from 'jquery';
+import PropTypes from 'prop-types';
 import React from 'react';
 import {Modal} from 'react-bootstrap';
 import {FormattedMessage} from 'react-intl';
@@ -643,8 +644,8 @@ export default class ChannelNotificationsModal extends React.Component {
 }
 
 ChannelNotificationsModal.propTypes = {
-    onHide: React.PropTypes.func.isRequired,
-    channel: React.PropTypes.object.isRequired,
-    channelMember: React.PropTypes.object.isRequired,
-    currentUser: React.PropTypes.object.isRequired
+    onHide: PropTypes.func.isRequired,
+    channel: PropTypes.object.isRequired,
+    channelMember: PropTypes.object.isRequired,
+    currentUser: PropTypes.object.isRequired
 };