additional eslint rules

.eslintrc.js

@@ -6,7 +6,10 @@ module.exports = {
 		node: true,
 		jquery: true,
 	},
-	extends: 'airbnb-base',
+	extends: [
+		'airbnb-base',
+		'plugin:sonarjs/recommended',
+	],
 	globals: {
 		Atomics: 'readonly',
 		SharedArrayBuffer: 'readonly',
@@ -21,6 +24,10 @@ module.exports = {
 	parserOptions: {
 		ecmaVersion: 2021,
 	},
+	plugins: [
+		'unicorn',
+		'sonarjs',
+	],
 	rules: {
 		indent: [
 			'error',
@@ -60,6 +67,24 @@ module.exports = {
 				json: 'always',
 			},
 		],
+		// unicorn
+		'unicorn/numeric-separators-style': 'error',
+		'unicorn/prefer-query-selector': 'error',
+		'unicorn/catch-error-name': 'error',
+		'unicorn/no-negated-condition': 'error',
+		'unicorn/better-regex': 'error',
+		'unicorn/consistent-function-scoping': 'error',
+		'unicorn/prefer-array-flat-map': 'error',
+		'unicorn/prefer-array-find': 'error',
+		'unicorn/prefer-regexp-test': 'error',
+		'unicorn/consistent-destructuring': 'error',
+		'unicorn/prefer-date-now': 'error',
+		'unicorn/prefer-ternary': 'error',
+		'unicorn/prefer-dom-node-append': 'error',
+		'unicorn/explicit-length-check': 'error',
+		'unicorn/prefer-at': 'error',
+		// sonarjs
+		'sonarjs/cognitive-complexity': 0,
 	},
 	ignorePatterns: [
 		'*.min.js',