message: feat: formatting
diff: @@ -207,6 +207,7 @@ export default class Viewer extends EventEmitter {
  let loader = new ViewerObjectLoader( this, url, token, enableCaching )
  this.loaders[ url ] = loader
  await loader.load()
  + return
  }
  async cancelLoad( url, unload = false ) {
  @@ -220,6 +221,7 @@ export default class Viewer extends EventEmitter {
  async unloadObject( url ) {
  await this.loaders[ url ].unload()
  delete this.loaders[ url ]
  + return
  }
  async unloadAll() {
  @@ -227,6 +229,7 @@ export default class Viewer extends EventEmitter {
  await this.loaders[key].unload()
  delete this.loaders[key]
  }
  + return
  }
  async applyFilter( filter ) {
  