Bump eslint to 9.0.0

.remarkrc.js

@@ -25,7 +25,7 @@ Typograf.addRules([
 
             const re = new RegExp(
                 `(^|\\s|${privateLabel})([а-яё]{1,3})\\. ?([а-яё]{1,3})\\.`,
-                'g',
+                'g'
             );
 
             return (

eslint.config.js

@@ -0,0 +1,82 @@
+const globals = require('globals');
+const js = require('@eslint/js');
+const stylisticJs = require('@stylistic/eslint-plugin-js');
+
+module.exports = [
+    js.configs.recommended,
+
+    // Add Node.js global variables for all JS files except browser scripts
+    {
+        ignores: ['src/scripts/**/*.js'],
+        languageOptions: {
+            globals: {
+                ...globals.node, // Replace it with ...globals.nodeBuiltin when switching to ESM
+            },
+        },
+    },
+
+    // Add browser global variables for browser scripts
+    {
+        files: ['src/scripts/**/*.js'],
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+            },
+        },
+    },
+    {
+        plugins: {
+            '@stylistic/js': stylisticJs,
+        },
+        rules: {
+            'camelcase': ['error', { 'properties': 'never' }],
+            'eqeqeq': 'error',
+            'no-array-constructor': 'error',
+            'no-empty': ['error', { 'allowEmptyCatch': true }],
+            'no-console': 'warn',
+            'no-const-assign': 'error',
+            'no-duplicate-imports': 'error',
+            'no-debugger': 'error',
+            'no-invalid-regexp': 'error',
+            'no-redeclare': ['error', { 'builtinGlobals': false }],
+            'no-unneeded-ternary': 'error',
+
+            // Eslint's deprecated stylistic rules returned by the plugin
+            '@stylistic/js/arrow-spacing': 'error',
+            '@stylistic/js/block-spacing': ['error', 'always'],
+            '@stylistic/js/brace-style': ['error', '1tbs', { 'allowSingleLine': true }],
+            '@stylistic/js/comma-dangle': ['error', {
+                'arrays': 'always-multiline',
+                'objects': 'always-multiline',
+                'imports': 'never',
+                'exports': 'never',
+                'functions': 'never',
+            }],
+            '@stylistic/js/comma-spacing': ['error', { 'before': false, 'after': true }],
+            '@stylistic/js/comma-style': ['error', 'last'],
+            '@stylistic/js/dot-location': ['error', 'property'],
+            '@stylistic/js/eol-last': 'error',
+            '@stylistic/js/function-call-spacing': ['error', 'never'],
+            '@stylistic/js/indent': ['error', 4, {
+                'SwitchCase': 1,
+                'ignoredNodes': ['TemplateLiteral *'],
+            }],
+            '@stylistic/js/keyword-spacing': 'error',
+            '@stylistic/js/key-spacing': ['error', { 'beforeColon': false, 'afterColon': true }],
+            '@stylistic/js/linebreak-style': ['error', 'unix'],
+            '@stylistic/js/no-multi-spaces': 'error',
+            '@stylistic/js/no-whitespace-before-property': 'error',
+            '@stylistic/js/padded-blocks': ['error', 'never'],
+            '@stylistic/js/quotes': ['error', 'single', { 'allowTemplateLiterals': true }],
+            '@stylistic/js/rest-spread-spacing': ['error', 'never'],
+            '@stylistic/js/semi': ['error', 'always'],
+            '@stylistic/js/semi-spacing': ['error', { 'before': false, 'after': true }],
+            '@stylistic/js/space-infix-ops': ['error', { 'int32Hint': false }],
+            '@stylistic/js/space-before-function-paren': ['error', 'never'],
+            '@stylistic/js/space-before-blocks': ['error', 'always'],
+            '@stylistic/js/space-in-parens': ['error', 'never'],
+            '@stylistic/js/spaced-comment': 'error',
+            '@stylistic/js/template-curly-spacing': ['error', 'never'],
+        },
+    },
+];