apiFiles.config.js

const fs = require('fs');
const path = require('path');

const COMPONENTS_IMPORT = 'import { Accordion, AccordionGroup, Callout, Card, CardList, Image, Video, Tabs } from "@site/src/components";';

// Function to recursively get all files in a directory
function getAllFiles(dirPath, arrayOfFiles) {
  const files = fs.readdirSync(dirPath);

  arrayOfFiles = arrayOfFiles || [];

  files.forEach(function (file) {
    if (fs.statSync(path.join(dirPath, file)).isDirectory()) {
      arrayOfFiles = getAllFiles(path.join(dirPath, file), arrayOfFiles);
    } else if (file.endsWith('.mdx')) {
      arrayOfFiles.push(path.join(dirPath, file));
    }
  });

  return arrayOfFiles;
}

// Function to extract components from the index.js file
function extractComponents(filePath) {
  const fileContent = fs.readFileSync(filePath, 'utf-8');
  const exportRegex = /export\s*\{\s*([\s\S]*?)\s*\};/;
  const match = fileContent.match(exportRegex);

  if (match && match[1]) {
    const filteredComponents = match[1]
      .split(',')
      .filter((component) => component.trim() !== 'TabItem');
      
    const components = filteredComponents
      .map((component) =>  component.trim())
      .join(', ');

    // Construct the import string
    const importString = `import { ${components} } from "@site/src/components";`;
    
    return importString;
  } else {
    return COMPONENTS_IMPORT;
  }
}

// Function to edit the files
function editFiles(files, importString) {
  files.forEach(file => {
    let fileContent = fs.readFileSync(file, 'utf-8');

    fileContent = fileContent.replace(/&lt;/g, '<').replace(/&gt;/g, '>');
    
    // Split file content into lines
    const parts = fileContent.split('---');
    if (parts.length >= 3) {
      const metadata = parts[1];  
      const body = parts.slice(2).join('---');
  
      const newContent = `---${metadata}---\n\n${importString}${body}`;
      fs.writeFileSync(file, newContent, 'utf-8');
    }
  });
}

function runAddContent(dirPath) {
  const componentsFilePath = path.join(__dirname, 'src/components/index.js');
  // Get all mdx files in the directory
  const files = getAllFiles(dirPath);

  // Generate the import string
  const importString = extractComponents(componentsFilePath);

  // Edit each file by adding the import string after the metadata
  editFiles(files, importString);
}


function main() {
  // const { languages } = getJson('./config.json');
  const paths = [path.join(__dirname, 'docs/reference')];
  // if (languages && languages.length > 1) {
  //   languages.slice(1).forEach((lang) => {
  //     paths.push(path.join(__dirname,`i18n/${lang}/docusaurus-plugin-content-docs/current/reference`));
  //   });
  // }
  paths.forEach((path) => {
    runAddContent(path);
  })
}

main();