ama-team / voxengine-scenario-framework

var factory = function (name, parent) {

  parent = parent || Error

  var error = function (message, parent) {

    this.message = message

    this.stack = (new Error()).stack

    this.parent = parent || null

  }

  Object.defineProperty(error, 'name', { value: name })

  error.prototype = Object.create(parent.prototype)

  error.prototype.name = name

  error.prototype.constructor = error

  return error

}

var UserError = factory('UserError')

module.exports = {

  UserError: UserError,

  ScenarioError: factory('ScenarioError', UserError),

  InvalidInputError: factory('InvalidInputError', UserError),

  /**

   * @class InternalError

   */

  InternalError: InternalError,

  /**

   * @class IllegalStateError

   */

  IllegalStateError: factory('IllegalStateError', InternalError),

  UnexpectedError: factory('UnexpectedError', InternalError)

}