Webapp Preview: Cluster Overview with sparklines

core/trino-main/src/test/java/io/trino/server/ui/PreviewUiQueryRunner.java

@@ -40,5 +40,7 @@ private static void configureTrinoServer(TestingTrinoServer.Builder builder)
     {
         builder.addProperty("web-ui.preview.enabled", "true");
         builder.addProperty("http-server.http.port", "8080");
+        builder.addProperty("web-ui.authentication.type", "fixed");
+        builder.addProperty("web-ui.user", "webapp-preview-user");
     }
 }

core/trino-web-ui/src/main/resources/webapp-preview/eslint.config.js

@@ -0,0 +1,73 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import js from '@eslint/js';
+import globals from 'globals';
+import tsParser from '@typescript-eslint/parser';
+import tsPlugin from '@typescript-eslint/eslint-plugin';
+import reactHooksPlugin from 'eslint-plugin-react-hooks';
+import reactRefreshPlugin from 'eslint-plugin-react-refresh';
+
+export default [
+  js.configs.recommended,
+  {
+    files: ['**/*.ts', '**/*.tsx'],
+    languageOptions: {
+      parser: tsParser,
+      ecmaVersion: 'latest',
+      sourceType: 'module',
+      globals: {
+        ...globals.browser,
+      },
+    },
+    plugins: {
+      '@typescript-eslint': tsPlugin,
+    },
+    rules: {
+      ...tsPlugin.configs.recommended.rules,
+      '@typescript-eslint/no-unused-expressions': [
+        'error',
+        {
+          allowShortCircuit: true,
+          allowTernary: true,
+        },
+      ],
+    },
+  },
+  {
+    files: ['**/*.js', '**/*.jsx', '**/*.ts', '**/*.tsx'],
+    plugins: {
+      'react-hooks': reactHooksPlugin,
+    },
+    rules: {
+      ...reactHooksPlugin.configs.recommended.rules,
+    },
+  },
+  {
+    files: ['**/*.{js,jsx,ts,tsx}'], // Match all JS/TS files
+    plugins: {
+      'react-refresh': reactRefreshPlugin,
+    },
+    rules: {
+      'react-refresh/only-export-components': [
+        'warn',
+        { allowConstantExport: true },
+      ],
+      'eol-last': ['warn', 'always'],
+      'no-multiple-empty-lines': ['warn', { max: 1, maxEOF: 0 }],
+    },
+  },
+  {
+    ignores: ['dist', '.eslintrc.cjs'],
+  },
+];