chore: generate config section from config.d.ts (#1224)

update-readme.js

@@ -135,12 +135,38 @@ async function updateOptions(content) {
   ]);
 }
 
+/**
+ * @param {string} content
+ * @returns {Promise<string>}
+ */
+async function updateConfig(content) {
+  console.log('Updating config schema from config.d.ts...');
+  const configPath = path.join(__dirname, 'config.d.ts');
+  const configContent = await fs.promises.readFile(configPath, 'utf-8');
+  
+  // Extract the Config type definition
+  const configTypeMatch = configContent.match(/export type Config = (\{[\s\S]*?\n\});/);
+  if (!configTypeMatch)
+    throw new Error('Config type not found in config.d.ts');
+  
+  const configType = configTypeMatch[1]; // Use capture group to get just the object definition
+  
+  const startMarker = `<!--- Config generated by ${path.basename(__filename)} -->`;
+  const endMarker = `<!--- End of config generated section -->`;
+  return updateSection(content, startMarker, endMarker, [
+    '```typescript',
+    configType,
+    '```',
+  ]);
+}
+
 async function updateReadme() {
   const readmePath = path.join(__dirname, 'README.md');
   const readmeContent = await fs.promises.readFile(readmePath, 'utf-8');
   const withTools = await updateTools(readmeContent);
   const withOptions = await updateOptions(withTools);
-  await fs.promises.writeFile(readmePath, withOptions, 'utf-8');
+  const withConfig = await updateConfig(withOptions);
+  await fs.promises.writeFile(readmePath, withConfig, 'utf-8');
   console.log('README updated successfully');
 }