portainer/app/docker/models/config.js

import { ResourceControlViewModel } from 'Portainer/models/resourceControl/resourceControl';

function b64DecodeUnicode(str) {
  return decodeURIComponent(atob(str).split('').map(function(c) {
      return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
  }).join(''));
}

export function ConfigViewModel(data) {
  this.Id = data.ID;
  this.CreatedAt = data.CreatedAt;
  this.UpdatedAt = data.UpdatedAt;
  this.Version = data.Version.Index;
  this.Name = data.Spec.Name;
  this.Labels = data.Spec.Labels;
  this.Data = b64DecodeUnicode(data.Spec.Data);

  if (data.Portainer && data.Portainer.ResourceControl) {
    this.ResourceControl = new ResourceControlViewModel(data.Portainer.ResourceControl);
  }
}