Node ver.

nodejs/examples/test-compatibility.js

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+import { render } from '../dist/index.js';
+import * as fs from 'fs';
+import { fileURLToPath } from 'url';
+import { dirname, join } from 'path';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+// Test all JSON configs from oringinal examples directory
+const testConfigs = [
+  { file: '../../examples/default.json', output: 'test-default.html' },
+  { file: '../../examples/working.json', output: 'test-working.html' },
+  { file: '../../examples/catastrophic.json', output: 'test-catastrophic.html' }
+];
+
+testConfigs.forEach(({ file, output }) => {
+  try {
+    const configPath = join(__dirname, file);
+    const config = JSON.parse(fs.readFileSync(configPath, 'utf-8'));
+
+    console.log(`Testing: ${file}`);
+    console.log(`Config keys: ${Object.keys(config).join(', ')}`);
+
+    const html = render(config);
+
+    const outputPath = join(__dirname, output);
+    fs.writeFileSync(outputPath, html);
+  } catch (error) {
+    console.error(`Something went wrong: ${file}`);
+    console.error(`Error: ${error.message}\n`);
+  }
+});