import fs from 'fs'

import path from 'path'

// Delete empty TypeScript declarations

deleteEmptyTypeScriptDeclarations('dist/types')

/**

* Delete empty TypeScript declarations

* @param {string} folderPath

*/

function deleteEmptyTypeScriptDeclarations(folderPath) {

const folderItems = fs.readdirSync(folderPath)

for (const folderItem of folderItems) {

// if map file it could be already deleted, we need to skip

if (folderItem.endsWith('.d.ts.map')) {

continue

}

const itemPath = path.join(folderPath, folderItem)

const stat = fs.statSync(itemPath)

if (stat.isFile() && folderItem.endsWith('.d.ts')) {

if (fs.readFileSync(itemPath, { encoding: 'utf8' }).includes('export {};')) {

fs.unlinkSync(itemPath)

fs.unlinkSync(itemPath.replace('.d.ts', '.d.ts.map'))

}

} else if (stat.isDirectory()) {

deleteEmptyTypeScriptDeclarations(itemPath)

}

}

if (fs.readdirSync(folderPath).length === 0) {

fs.rmdirSync(folderPath)

}

}