clear-from-gitignore.js

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

const voidFn = () => {}

class Utils {

  constructor() {
    this.gitignoreFileName = '.gitignore'
  }

  isDirectory(file) {
    return fs.statSync(file).isDirectory()
  }

  readDirectory(directory) {
    return fs.readdirSync(directory).map( file => path.join(directory, file))
  }

  hasExtension(f, ext) {
    return f.split('.').pop() === ext
  }

  iterateRecursively({ directory, dirAction = voidFn, fileAction = voidFn }) {
    const files = this.readDirectory(directory)

    files.forEach( file => {
      if (this.isDirectory(file)) {
        this.iterateRecursively({directory: file, dirAction, fileAction})
        dirAction(file)
      } else {
        fileAction(file)
      }
    })
  }

}


const utils = new Utils()
utils.iterateRecursively({ 
  directory: '.',
  fileAction: (file) => {
    if (utils.hasExtension(file, 'gitignore')) {
      const ignored = fs.readFileSync(file).toString()
      console.log(ignored)
    }
  }
})