eslint: extend 'eslint:recommended'

.eslintrc.js

@@ -1,6 +1,8 @@
 module.exports = {
   root: true,
 
+  extends: 'eslint:recommended',
+
   env: {
     browser: true,
     node: true,
@@ -79,8 +81,10 @@ module.exports = {
       },
     ],
     'no-extra-semi': 'error',
+    'no-const-assign': 'error',
     'no-fallthrough': 'error',
     'no-irregular-whitespace': 'error',
+    'no-loop-func': 'error',
     'no-mixed-spaces-and-tabs': 'error',
     'no-nested-ternary': 'warn',
     'no-trailing-spaces': 'warn',
@@ -95,6 +99,8 @@ module.exports = {
         ignoreRestSiblings: true,
       },
     ],
+    'no-useless-escape': 'warn',
+    'no-var': 'error',
     'object-curly-spacing': ['error', 'always'],
     'padded-blocks': [
       'error',
@@ -102,14 +108,11 @@ module.exports = {
         classes: 'always',
       },
     ],
+    'prefer-const': 'error',
     quotes: ['error', 'single'],
     semi: 'error',
     strict: 'off',
     'valid-typeof': 'error',
-    'prefer-const': 'error',
-    'no-loop-func': 'error',
-    'no-const-assign': 'error',
-    'no-var': 'error',
 
     'react/jsx-boolean-value': 'error',
     'react/jsx-closing-bracket-location': ['error', 'line-aligned'],

app/soapbox/components/blurhash.js

@@ -35,7 +35,9 @@ function Blurhash({
 
   useEffect(() => {
     const { current: canvas } = canvasRef;
-    canvas.width = canvas.width; // resets canvas
+
+    // resets canvas
+    canvas.width = canvas.width; // eslint-disable-line no-self-assign
 
     if (dummy || !hash) return;
 

app/soapbox/components/relative_timestamp.js

@@ -137,7 +137,7 @@ class RelativeTimestamp extends React.Component {
       this.state.now !== nextState.now;
   }
 
-  componentDidUpdate(prevProps) {
+  UNSAFE_componentWillReceiveProps(prevProps) {
     if (this.props.timestamp !== prevProps.timestamp) {
       this.setState({ now: Date.now() });
     }
@@ -147,7 +147,7 @@ class RelativeTimestamp extends React.Component {
     this._scheduleNextUpdate(this.props, this.state);
   }
 
-  componentDidUpdate() {
+  UNSAFE_componentWillUpdate() {
     this._scheduleNextUpdate();
   }
 

app/soapbox/components/status_action_bar.js

@@ -93,8 +93,6 @@ class StatusActionBar extends ImmutablePureComponent {
     allowedEmoji: ImmutablePropTypes.list,
     emojiSelectorFocused: PropTypes.bool,
     handleEmojiSelectorUnfocus: PropTypes.func.isRequired,
-    emojiSelectorFocused: PropTypes.bool,
-    handleEmojiSelectorUnfocus: PropTypes.func.isRequired,
   };
 
   static defaultProps = {
@@ -245,7 +243,7 @@ class StatusActionBar extends ImmutablePureComponent {
       textarea.select();
       document.execCommand('copy');
     } catch (e) {
-
+      // Do nothing
     } finally {
       document.body.removeChild(textarea);
     }

app/soapbox/features/admin/components/report_status.js

@@ -43,7 +43,7 @@ class ReportStatus extends ImmutablePureComponent {
 
     if (status.get('media_attachments').size > 0) {
       if (status.get('media_attachments').some(item => item.get('type') === 'unknown')) {
-
+        // Do nothing
       } else if (status.getIn(['media_attachments', 0, 'type']) === 'video') {
         const video = status.getIn(['media_attachments', 0]);
 

app/soapbox/features/compose/util/url_regex.js

@@ -31,7 +31,7 @@ const stringSupplant = function(str, values) {
 };
 
 export const urlRegex = (function() {
-  regexen.spaces_group = /\x09-\x0D\x20\x85\xA0\u1680\u180E\u2000-\u200A\u2028\u2029\u202F\u205F\u3000/;
+  regexen.spaces_group = /\x09-\x0D\x20\x85\xA0\u1680\u180E\u2000-\u200A\u2028\u2029\u202F\u205F\u3000/; // eslint-disable-line no-control-regex
   regexen.invalid_chars_group = /\uFFFE\uFEFF\uFFFF\u202A-\u202E/;
   regexen.punct = /\!'#%&'\(\)*\+,\\\-\.\/:;<=>\?@\[\]\^_{|}~\$/;
   regexen.validUrlPrecedingChars = regexSupplant(/(?:[^A-Za-z0-9@＠$#＃#{invalid_chars_group}]|^)/);

app/soapbox/features/emoji/emoji_utils.js

@@ -70,7 +70,6 @@ const stringFromCodePoint = _String.fromCodePoint || function() {
   return result;
 };
 
-
 const _JSON = JSON;
 
 const COLONS_REGEX = /^(?:\:([^\:]+)\:)(?:\:skin-tone-(\d)\:)?$/;
@@ -131,19 +130,19 @@ function getData(emoji, skin, set) {
       }
     }
 
-    if (data.short_names.hasOwnProperty(emoji)) {
+    if (Object.prototype.hasOwnProperty.call(data.short_names, emoji)) {
       emoji = data.short_names[emoji];
     }
 
-    if (data.emojis.hasOwnProperty(emoji)) {
+    if (Object.prototype.hasOwnProperty.call(data.emojis, emoji)) {
       emojiData = data.emojis[emoji];
     }
   } else if (emoji.id) {
-    if (data.short_names.hasOwnProperty(emoji.id)) {
+    if (Object.prototype.hasOwnProperty.call(data.short_names, emoji.id)) {
       emoji.id = data.short_names[emoji.id];
     }
 
-    if (data.emojis.hasOwnProperty(emoji.id)) {
+    if (Object.prototype.hasOwnProperty.call(data.emojis, emoji.id)) {
       emojiData = data.emojis[emoji.id];
       skin = skin || emoji.skin;
     }
@@ -212,7 +211,7 @@ function deepMerge(a, b) {
     const originalValue = a[key];
     let value = originalValue;
 
-    if (b.hasOwnProperty(key)) {
+    if (Object.prototype.hasOwnProperty.call(b, key)) {
       value = b[key];
     }
 

app/soapbox/features/report/components/status_check_box.js

@@ -26,7 +26,7 @@ export default class StatusCheckBox extends React.PureComponent {
 
     if (status.get('media_attachments').size > 0) {
       if (status.get('media_attachments').some(item => item.get('type') === 'unknown')) {
-
+        // Do nothing
       } else if (status.getIn(['media_attachments', 0, 'type']) === 'video') {
         const video = status.getIn(['media_attachments', 0]);
 

app/soapbox/features/status/components/action_bar.js

@@ -244,7 +244,7 @@ class ActionBar extends React.PureComponent {
       textarea.select();
       document.execCommand('copy');
     } catch (e) {
-
+      // Do nothing
     } finally {
       document.body.removeChild(textarea);
     }

app/soapbox/features/ui/index.js

@@ -336,7 +336,7 @@ class UI extends React.PureComponent {
     try {
       e.dataTransfer.dropEffect = 'copy';
     } catch (err) {
-
+      // Do nothing
     }
 
     return false;

app/soapbox/reducers/__tests__/auth-test.js

@@ -164,9 +164,11 @@ describe('auth reducer', () => {
       };
 
       const state = fromJS({
-        users: { '4567': { id: '4567', access_token: 'ABCDEFG' } },
-        users: { '8901': { id: '1234', access_token: 'ABCDEFG' } },
-        users: { '5432': { id: '5432', access_token: 'HIJKLMN' } },
+        users: {
+          '4567': { id: '4567', access_token: 'ABCDEFG' },
+          '8901': { id: '1234', access_token: 'ABCDEFG' },
+          '5432': { id: '5432', access_token: 'HIJKLMN' },
+        },
       });
 
       const expected = fromJS({

app/soapbox/reducers/__tests__/list_editor-test.js

@@ -137,7 +137,6 @@ describe('list_editor reducer', () => {
   });
 
   it('should handle LIST_UPDATE_FAIL', () => {
-    debugger;
     const state = ImmutableMap({
       isSubmitting: true,
     });

app/soapbox/reducers/__tests__/modal-test.js

@@ -19,7 +19,6 @@ describe('modal reducer', () => {
       modalType: 'type1',
       modalProps: { props1: '1' },
     };
-    debugger;
     expect(reducer(state, action)).toMatchObject({
       modalType: 'type1',
       modalProps: { props1: '1' },
@@ -34,7 +33,6 @@ describe('modal reducer', () => {
     const action = {
       type: MODAL_CLOSE,
     };
-    debugger;
     expect(reducer(state, action)).toMatchObject({
       modalType: null,
       modalProps: {},

app/soapbox/reducers/notifications.js

@@ -55,6 +55,9 @@ const notificationToMap = notification => ImmutableMap({
 // https://gitlab.com/soapbox-pub/soapbox-fe/-/issues/424
 const isValid = notification => Boolean(notification.account.id);
 
+const countUnseen = notifications => notifications.reduce((acc, cur) =>
+  get(cur, ['pleroma', 'is_seen'], false) === false ? acc + 1 : acc, 0);
+
 const normalizeNotification = (state, notification) => {
   const top = state.get('top');
 
@@ -78,12 +81,16 @@ const processRawNotifications = notifications => (
 
 const expandNormalizedNotifications = (state, notifications, next) => {
   const items = processRawNotifications(notifications);
+  const unread = state.get('unread');
+  const legacyUnread = countUnseen(notifications);
 
   return state.withMutations(mutable => {
     mutable.update('items', map => map.merge(items).sort(comparator));
 
     if (!next) mutable.set('hasMore', false);
     mutable.set('isLoading', false);
+
+    mutable.set('unread', Math.max(legacyUnread, unread));
   });
 };
 
@@ -127,9 +134,6 @@ const updateNotificationsQueue = (state, notification, intlMessages, intlLocale)
   });
 };
 
-const countUnseen = notifications => notifications.reduce((acc, cur) =>
-  get(cur, ['pleroma', 'is_seen'], false) === false ? acc + 1 : acc, 0);
-
 export default function notifications(state = initialState, action) {
   switch(action.type) {
   case NOTIFICATIONS_EXPAND_REQUEST:
@@ -150,9 +154,7 @@ export default function notifications(state = initialState, action) {
       mutable.set('totalQueuedNotificationsCount', 0);
     });
   case NOTIFICATIONS_EXPAND_SUCCESS:
-    const legacyUnread = countUnseen(action.notifications);
-    return expandNormalizedNotifications(state, action.notifications, action.next)
-      .merge({ unread: Math.max(legacyUnread, state.get('unread')) });
+    return expandNormalizedNotifications(state, action.notifications, action.next);
   case ACCOUNT_BLOCK_SUCCESS:
     return filterNotifications(state, action.relationship);
   case ACCOUNT_MUTE_SUCCESS:

app/soapbox/reducers/security.js

@@ -8,13 +8,18 @@ const initialState = ImmutableMap({
   tokens: ImmutableList(),
 });
 
+const deleteToken = (state, tokenId) => {
+  return state.update('tokens', tokens => {
+    return tokens.filterNot(token => token.get('id') === tokenId);
+  });
+};
+
 export default function security(state = initialState, action) {
   switch(action.type) {
   case FETCH_TOKENS_SUCCESS:
     return state.set('tokens', fromJS(action.tokens));
   case REVOKE_TOKEN_SUCCESS:
-    const idx = state.get('tokens').findIndex(t => t.get('id') === action.id);
-    return state.deleteIn(['tokens', idx]);
+    return deleteToken(state, action.id);
   default:
     return state;
   }

app/soapbox/settings.js

@@ -38,6 +38,7 @@ export default class Settings {
       try {
         localStorage.removeItem(key);
       } catch (e) {
+        // Do nothing
       }
     }
     return data;

app/soapbox/utils/numbers.js

@@ -1,7 +1,7 @@
 import React from 'react';
 import { FormattedNumber } from 'react-intl';
 
-const isNumber = number => typeof number === 'number' && number !== NaN;
+const isNumber = number => typeof number === 'number' && !isNaN(number);
 
 export const shortNumberFormat = number => {
   if (!isNumber(number)) return '•';

app/soapbox/utils/resize_image.js

@@ -1,3 +1,4 @@
+/* eslint-disable no-case-declarations */
 import EXIF from 'exif-js';
 
 const MAX_IMAGE_PIXELS = 2073600; // 1920x1080px

webpack/translationRunner.js

@@ -114,12 +114,11 @@ function findVariablesinAST(tree) {
       break;
     case parser.TYPE.plural:
       result.add(element.value);
-      const subTrees = Object.values(element.options).map((option) => option.value);
-      subTrees.forEach((subtree) => {
-        findVariablesinAST(subtree).forEach((variable) => {
-          result.add(variable);
-        });
-      });
+      Object.values(element.options)
+        .map(option => option.value)
+        .forEach(subtree =>
+          findVariablesinAST(subtree)
+            .forEach(variable => result.add(variable)));
       break;
     case parser.TYPE.literal:
       break;