{PathReplacer} = require 'scandal'

module.exports = (filePaths, regexSource, regexFlags, replacementText) ->
  callback = @async()

  replacer = new PathReplacer()
  regex = new RegExp(regexSource, regexFlags)

  replacer.on 'path-replaced', (result) ->
    emit('replace:path-replaced', result)

  replacer.replacePaths regex, replacementText, filePaths, ->
    callback()