upgrade

dev/post-install.js

@@ -1,5 +1,5 @@
 import {statSync, writeFileSync, readFileSync, lstatSync} from 'fs';
-// eslint-disable-next-line import/no-unresolved
+
 import {globSync} from 'glob';
 import {escapeRegExp} from '../src/utils/regex.js';
 
@@ -16,7 +16,6 @@ const files = globSync('node_modules/*rsuite*/**/*.+(js|ts|tsx|less|css)', {}).f
 );
 for (const pathname of files) {
   if (lstatSync(pathname).isDirectory()) {
-    // eslint-disable-next-line no-console
     console.warn(`[POST INSTALL] Processing file ${pathname}, but it is a directory. skipping...`);
     continue;
   }

eslint.config.mjs

@@ -0,0 +1,85 @@
+import path from 'node:path';
+import {fileURLToPath} from 'node:url';
+import babelParser from '@babel/eslint-parser';
+import {fixupConfigRules} from '@eslint/compat';
+import {FlatCompat} from '@eslint/eslintrc';
+import js from '@eslint/js';
+import globals from 'globals';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default [
+  {
+    ignores: ['**/build', '**/node_modules'],
+  },
+  ...fixupConfigRules(
+    compat.extends(
+      'plugin:import/recommended',
+      'plugin:react/recommended',
+      'plugin:eslint-plugin/recommended',
+      'plugin:prettier/recommended'
+    )
+  ),
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+        ...globals.node,
+      },
+
+      parser: babelParser,
+      ecmaVersion: 6,
+      sourceType: 'module',
+
+      parserOptions: {
+        requireConfigFile: false,
+        allowImportExportEverywhere: true,
+
+        babelOptions: {
+          presets: ['@babel/preset-react'],
+        },
+      },
+    },
+
+    settings: {
+      react: {
+        version: 'detect',
+      },
+    },
+
+    rules: {
+      'prettier/prettier': ['error'],
+      'import/extensions': ['error', 'ignorePackages'],
+      'react/prop-types': 'off',
+      'react/jsx-props-no-spreading': 'off',
+      'no-param-reassign': 'off',
+      'no-underscore-dangle': 'off',
+      'no-continue': 'off',
+      'no-restricted-syntax': 'off',
+      'class-methods-use-this': 'off',
+      'no-plusplus': 'off',
+      'no-empty': 'off',
+      'max-classes-per-file': 'off',
+      'no-bitwise': 'off',
+      'import/no-named-as-default': 'off',
+
+      'import/order': [
+        'error',
+        {
+          groups: ['builtin', 'external', 'parent', 'sibling', 'index'],
+
+          alphabetize: {
+            order: 'asc',
+            caseInsensitive: true,
+          },
+        },
+      ],
+    },
+  },
+];

package.json

@@ -97,5 +97,11 @@
   "browserslist": [
     "last 1 version",
     "> 0.25%, not dead"
-  ]
+  ],
+  "devDependencies": {
+    "@eslint/compat": "^1.2.4",
+    "@eslint/eslintrc": "^3.2.0",
+    "@eslint/js": "^9.17.0",
+    "globals": "^15.14.0"
+  }
 }

src/constants.js

@@ -1,5 +1,3 @@
-/* eslint-disable prefer-destructuring */
-
 export const NODE_ENV = process.env.NODE_ENV;
 export const EXT_VER = process.env.EXT_VER;
 export const GIT_REV = process.env.GIT_REV;

src/i18n/index.js

@@ -28,7 +28,6 @@ let browserLocale = Array.isArray(navigator.languages) ? navigator.languages[0]
 browserLocale = browserLocale || navigator.language || navigator.browserLanguage || navigator.userLanguage;
 browserLocale = browserLocale.replace('_', '-');
 if (!SUPPORTED_LOCALES.includes(browserLocale)) {
-  // eslint-disable-next-line prefer-destructuring
   browserLocale = browserLocale.split('-')[0];
 }
 if (!SUPPORTED_LOCALES.includes(browserLocale)) {
@@ -46,7 +45,6 @@ function getSiteLocale() {
   }
   locale = locale.replace('_', '-');
   if (!SUPPORTED_LOCALES.includes(locale)) {
-    // eslint-disable-next-line prefer-destructuring
     locale = locale.split('-')[0];
   }
   if (!SUPPORTED_LOCALES.includes(locale)) {
@@ -71,7 +69,6 @@ export async function load() {
   Settings.defaultLocale = locale;
 }
 
-// eslint-disable-next-line import/prefer-default-export
 export default function formatMessage(descriptor, values = undefined) {
   if (intl == null) {
     throw new Error('i18n not yet loaded');

src/modules/chat_custom_timeouts/index.js

@@ -71,7 +71,6 @@ function createCustomTimeout() {
 }
 
 function setReason(type) {
-  /* eslint-disable-next-line no-alert */
   const reason = prompt(formatMessage({defaultMessage: 'Enter {type} reason: (leave blank for none)'}, {type}));
   return reason || '';
 }

src/modules/chat_deleted_messages/index.js

@@ -98,7 +98,6 @@ class ChatDeletedMessagesModule {
     }
     const messages = findAllUserMessages(name, targetMessageId);
     messages.forEach((message) => {
-      // eslint-disable-next-line default-case
       switch (deletedMessages) {
         case DeletedMessageTypes.HIDE:
           message.style.display = 'none';
@@ -109,7 +108,7 @@ class ChatDeletedMessagesModule {
             ChatHighlightBlacklistKeywords.markHighlighted(message);
           }
           message.classList.toggle(CHAT_LINE_DELETED_CLASS, true);
-          /* eslint-disable-next-line func-names */
+
           message.querySelectorAll(CHAT_LINE_LINK_SELECTOR).forEach((node) => {
             node.removeAttribute('href');
           });

src/modules/chat_font_settings/index.js

@@ -44,7 +44,6 @@ function updateFontSettings() {
 }
 
 function changeFontSetting(promptBody, storageID) {
-  /* eslint-disable-next-line no-alert */
   let keywords = prompt(promptBody, storage.get(storageID) || '');
   if (keywords !== null) {
     keywords = keywords.trim();