@viewdo/dxp-story-cli/src/commands/app/services/file-service.js

README.md

const fs = require('fs')
const mkdirp = require('mkdirp')
const path = require('path')
const {requireValue} = require('./utils')
const console = require('./console-service')

module.exports = class FileService {

  // properties -------------------------------

  constructor(root = requireValue('root')) {
    Object.assign(this, {
      root: root || process.cwd()
    })
  }

  // File API -------------------------------

  exists(file_path) {
    let full_path = this._getFullPath(file_path)
    console.debug('Checking file path: ' + full_path)
    return fs.existsSync(full_path)
  }

  read(file_path) {
    let full_path = this._getFullPath(file_path)
    console.debug('Reading file path: ' + full_path)
    if(this.exists(file_path))
      return fs.readFileSync(full_path, 'utf8')
  }

  ensure(file_path) {
    if(!this.exists(file_path))
      this.write(file_path)
  }

  write(file_path, content = '') {
    let full_path = this._getFullPath(file_path)
    console.debug('Writing file path: ' + full_path)
    let directory = path.dirname(full_path)
    console.debug('-> directory: ' + directory)
    mkdirp.sync(directory, {})
    return fs.writeFileSync(full_path, content, 'utf8')
  }

  delete(file_path) {
    let full_path = this._getFullPath(file_path)
    console.debug('Deleting file path: ' + full_path)
    if(this.exists(file_path))
      return fs.unlinkSync(full_path)
  }

  _getFullPath(file_path) {
    return path.join(this.root, path.normalize(file_path))
  }

}