Remove OpenAPI Generator unnecessary files from target folder

cleanup.js

const fs = require('fs');
const path = require('path');
const generatedDirectory = 'lib/api';
function removeNonTsFilesAndEmptyFolders(directory) {
    fs.readdirSync(directory).forEach((item) => {
        const itemPath = path.join(directory, item);
        if (fs.statSync(itemPath).isDirectory()) {
            removeNonTsFilesAndEmptyFolders(itemPath);
            if (fs.readdirSync(itemPath).length === 0) {
                fs.rmdirSync(itemPath);
                console.log(`Removed empty folder: ${itemPath}`);
            }
        } else if (path.extname(item) !== '.ts') {
            fs.unlinkSync(itemPath);
            console.log(`Deleted: ${itemPath}`);
        }
    });
}
function removeOpenApiGeneratorFolder(directory) {
    const openApiGeneratorFolder = path.join(directory, '.openapi-generator');
    if (fs.existsSync(openApiGeneratorFolder)) {
        fs.rmdirSync(openApiGeneratorFolder, { recursive: true });
        console.log(`Removed .openapi-generator folder: ${openApiGeneratorFolder}`);
    }
}
removeNonTsFilesAndEmptyFolders(generatedDirectory);
removeOpenApiGeneratorFolder(generatedDirectory);

package.json

"scripts": {
        "dev": "next dev",
        "build": "next build",
        "start": "next start",
        "lint": "next lint",
        "cleanup": "node lib/cleanup.js",
        "go": "openapi-generator-cli generate -i https://api.url.com/swagger/v1/swagger.json -g typescript-axios -o lib/api && npm run cleanup"
},