node_fs_helpers

node_fs_helpers.ts

import { existsSync, lstatSync, readdirSync, rmdirSync, unlinkSync } from 'fs'
import path from 'path'

/**
 * Clears a directory by deleting all its files and sub-folders recursively.
 * @param folderPath - The path of the directory to be cleared.
 * @throws Error if the folder does not exist.
 */
export function clearDir(folderPath: string) {
  if (existsSync(folderPath)) {
    const files = readdirSync(folderPath)

    files.forEach((file: string) => {
      const current = path.join(folderPath, file)

      if (lstatSync(current).isDirectory()) {
        // Recursively clear the sub-folder
        clearDir(current)
        rmdirSync(current) // Delete the sub-folder
      } else {
        // Delete the file
        unlinkSync(current)
      }
    })
  } else {
    throw new Error('Folder not found: ' + folderPath)
  }
}