Upgrades ESLint in root (#4016)

code_quality.js

@@ -327,7 +327,7 @@ const fullEslint = async (filesByExtension) => {
     console.log('Wrote eslint report to file ' + path.resolve(reportFile));
   }
   console.log(
-    "Eslint executed in ' + esLintResult.numberFiles + ' files. Results written in 'full_eslint_report.html' "
+    'Eslint executed in ' + esLintResult.numberFiles + ' files. Results written in "full_eslint_report.html"'
   );
 };
 
@@ -376,7 +376,7 @@ const getOptions = () => {
   }
 
   console.error(
-    'You need to pass application parameter -- mode=pre_commit|pre_commit-prettier|pre_commit-eslint|full|full-prettier|full-eslint'
+    'You need to pass application parameter -- mode=pre_commit|pre_commit_prettier|pre_commit_eslint|full|full-prettier|full-eslint'
   );
 })().catch((err) => {
   console.log(err);

eslint.config.mjs

@@ -0,0 +1,23 @@
+import neostandard from 'neostandard';
+import pluginCypress from 'eslint-plugin-cypress/flat';
+import stylistic from '@stylistic/eslint-plugin';
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  ...neostandard(),
+  pluginCypress.configs.recommended,
+  stylistic.configs['recommended-flat'],
+  {
+    files: ['**/*.js', '**/*.ts'],
+    plugins: {
+      cypress: pluginCypress,
+      '@stylistic': stylistic
+    },
+    rules: {
+      'no-ex-assign': 'warn',
+      '@stylistic/indent': 'off',
+      '@stylistic/no-tabs': 'off',
+      '@stylistic/semi': 'error'
+    }
+  }
+];