hunk.code_window:                 checkPreference();
               },
               (err) => {
                   AsyncClient.dispatchError(err, 'getChannel');
               }
  
hunk.labels: keep replace replace replace keep
hunk.file_path: webapp/actions/user_actions.jsx
hunk.type: replace
file: {
    "presets": [
      "es2015",
      "react",
      "stage-0"
    ]
  }
  