Upgrading ESLint and adding some more rules. Refactoring to meet these new rules

web/react/.eslintignore

@@ -1,3 +0,0 @@
-**/*.json
-components/toggle_modal_button.jsx
-stores/modal_store.jsx

web/react/.eslintrc

@@ -27,6 +27,8 @@
         },
         "rules": {
             "comma-dangle": [2, "never"],
+            "no-arrow-condition": 2,
+            "no-case-declarations": 2,
             "no-cond-assign": [2, "except-parens"],
             "no-console": 2,
             "no-constant-condition": 2,
@@ -35,14 +37,17 @@
             "no-dupe-keys": 2,
             "no-duplicate-case": 2,
             "no-empty": 2,
+            "no-empty-pattern": 2,
             "no-ex-assign": 2,
             "no-extra-semi": 2,
+            "no-fallthrough": 2,
             "no-func-assign": 2,
             "no-inner-declarations": 0,
             "no-invalid-regexp": 2,
             "no-irregular-whitespace": 2,
             "no-unexpected-multiline": 2,
             "no-unreachable": 2,
+            "no-magic-numbers": [0, { "enforceConst": true, "detectObjects": true } ],
             "valid-typeof": 2,
 
             "block-scoped-var": 2,
@@ -150,6 +155,7 @@
 
             // ES6 stuff
             "arrow-parens": [2, "always"],
+            "arrow-body-style": 0,
             "arrow-spacing": [2, { "before": true, "after": true }],
             "constructor-super": 2,
             "generator-star-spacing": [2, {"before": false, "after": true}],
@@ -172,7 +178,9 @@
             "react/jsx-closing-bracket-location": [2, { "location": "tag-aligned" }],
             "react/jsx-curly-spacing": [2, "never"],
             "react/jsx-indent-props": [2, 4],
+            "react/jsx-key": 2,
             "react/jsx-max-props-per-line": [2, { "maximum": 1 }],
+            "react/jsx-no-bind": 1,
             "react/jsx-no-duplicate-props": [2, { "ignoreCase": false }],
             "react/jsx-no-literals": 1,
             "react/jsx-no-undef": 2,
@@ -181,13 +189,14 @@
             "react/no-danger": 0,
             "react/no-did-mount-set-state": 2,
             "react/no-did-update-set-state": 2,
+            "react/no-direct-mutation-state": 2,
             "react/no-multi-comp": 2,
             "react/no-set-state": 0,
             "react/no-unknown-property": 2,
+            "react/prefer-es6-class": 2,
             "react/prop-types": 2,
             "react/self-closing-comp": 2,
             "react/sort-comp": 0,
-            "react/wrap-multilines": 2,
+            "react/wrap-multilines": 2
-            "react/no-direct-mutation-state": 2
         }
 }

web/react/components/access_history_modal.jsx

@@ -106,7 +106,7 @@ export default class AccessHistoryModal extends React.Component {
             case '/channels/update_header':
                 currentAuditDesc = 'Updated the ' + channelName + ' channel/group header';
                 break;
-            default:
+            default: {
                 let userIdField = [];
                 let userId = '';
                 let username = '';
@@ -130,11 +130,12 @@ export default class AccessHistoryModal extends React.Component {
 
                 break;
             }
+            }
         } else if (currentActionURL.indexOf('/oauth') === 0) {
             const oauthInfo = currentAudit.extra_info.split(' ');
 
             switch (currentActionURL) {
-            case '/oauth/register':
+            case '/oauth/register': {
                 const clientIdField = oauthInfo[0].split('=');
 
                 if (clientIdField[0] === 'client_id') {
@@ -142,6 +143,7 @@ export default class AccessHistoryModal extends React.Component {
                 }
 
                 break;
+            }
             case '/oauth/allow':
                 if (oauthInfo[0] === 'attempt') {
                     currentAuditDesc = 'Attempted to allow a new OAuth service access';
@@ -202,7 +204,7 @@ export default class AccessHistoryModal extends React.Component {
                 }
 
                 break;
-            case '/users/update_roles':
+            case '/users/update_roles': {
                 const userRoles = userInfo[0].split('=')[1];
 
                 currentAuditDesc = 'Updated user role(s) to ';
@@ -213,7 +215,8 @@ export default class AccessHistoryModal extends React.Component {
                 }
 
                 break;
-            case '/users/update_active':
+            }
+            case '/users/update_active': {
                 const updateType = userInfo[0].split('=')[0];
                 const updateField = userInfo[0].split('=')[1];
 
@@ -240,6 +243,7 @@ export default class AccessHistoryModal extends React.Component {
                 }
 
                 break;
+            }
             case '/users/send_password_reset':
                 currentAuditDesc = 'Sent an email to ' + userInfo[0].split('=')[1] + ' to reset your password';
                 break;

web/react/components/admin_console/admin_controller.jsx

@@ -190,3 +190,11 @@ export default class AdminController extends React.Component {
         );
     }
 }
+
+AdminController.defaultProps = {
+};
+
+AdminController.propTypes = {
+    tab: React.PropTypes.string,
+    teamId: React.PropTypes.string
+};

web/react/components/msg_typing.jsx

@@ -74,11 +74,12 @@ export default class MsgTyping extends React.Component {
         case 1:
             text = users[0] + ' is typing...';
             break;
-        default:
+        default: {
             const last = users.pop();
             text = users.join(', ') + ' and ' + last + ' are typing...';
             break;
         }
+        }
 
         this.setState({text});
     }

web/react/package.json

@@ -17,9 +17,9 @@
     "babelify": "6.3.0",
     "uglify-js": "2.4.24",
     "watchify": "3.4.0",
-    "eslint": "1.6.0",
+    "eslint": "1.9.0",
-    "eslint-plugin-react": "3.5.1",
+    "eslint-plugin-react": "3.9.0",
-    "babel-eslint": "4.1.4"
+    "babel-eslint": "4.1.5"
   },
   "scripts": {
     "check": "",

web/react/stores/preference_store.jsx

@@ -105,7 +105,7 @@ class PreferenceStoreClass extends EventEmitter {
         const action = payload.action;
 
         switch (action.type) {
-        case ActionTypes.RECIEVED_PREFERENCES:
+        case ActionTypes.RECIEVED_PREFERENCES: {
             const preferences = this.getAllPreferences();
 
             for (const preference of action.preferences) {
@@ -114,6 +114,8 @@ class PreferenceStoreClass extends EventEmitter {
 
             this.setAllPreferences(preferences);
             this.emitChange(preferences);
+            break;
+        }
         }
     }
 }

web/react/utils/channel_intro_mssages.jsx

@@ -71,7 +71,7 @@ export function createDMIntroMessage(channel) {
     );
 }
 
-export function createOffTopicIntroMessage(channel, showInviteModal) {
+export function createOffTopicIntroMessage(channel, showInviteModal) { //eslint-disable-line react/no-multi-comp
     return (
         <div className='channel-intro'>
             <h4 className='channel-intro__title'>{'Beginning of ' + channel.display_name}</h4>
@@ -101,7 +101,7 @@ export function createOffTopicIntroMessage(channel, showInviteModal) {
     );
 }
 
-export function createDefaultIntroMessage(channel) {
+export function createDefaultIntroMessage(channel) { //eslint-disable-line react/no-multi-comp
     const team = TeamStore.getCurrent();
     let inviteModalLink;
     if (team.type === Constants.INVITE_TEAM) {
@@ -154,7 +154,7 @@ export function createDefaultIntroMessage(channel) {
     );
 }
 
-export function createStandardIntroMessage(channel, showInviteModal) {
+export function createStandardIntroMessage(channel, showInviteModal) { //eslint-disable-line react/no-multi-comp
     var uiName = channel.display_name;
     var creatorName = '';