programming-challenges/scripts/utils/deleteAllFilesExceptOne.ts

import path from 'path'
import * as fsWithCallbacks from 'fs'
const fs = fsWithCallbacks.promises

async function deleteAllFilesExceptOne (directoryPath: string, fileNameToNotDelete: string) {
    const fileNames = await fs.readdir(path.resolve(directoryPath))
    for (const name of fileNames) {
        const fileNamePath = path.resolve(directoryPath, name)
        const stats = await fs.stat(fileNamePath)
        if (stats.isDirectory()) {
            await fs.rmdir(fileNamePath, { recursive: true })
        } else if (name !== fileNameToNotDelete) {
            await fs.unlink(fileNamePath)
        }
    }
}

export default deleteAllFilesExceptOne