app-error-override.js

/*
 * BEFORE
 */
import {dataLoader} from "nqm-app-framework";

//...

export default dataLoader.merge(
  dataLoader.compose(dataLoader.trackerFactory(dataMapper), {propsToWatch: ["parentId"]}),
  dataLoader.compose(dataLoader.reduxFactory(stateMapper)),
  dataLoader.useDeps(depsMapper)
)(ResourceExplorer);

/*
 * AFTER
 */
import {dataLoader, optionsWithError} from "app-data-loader";

//...

export default dataLoader.merge(
  dataLoader.compose(dataLoader.trackerFactory(dataMapper), optionsWithError({propsToWatch: ["parentId"]})),
  dataLoader.compose(dataLoader.reduxFactory(stateMapper)),
  dataLoader.useDeps(depsMapper)
)(ResourceExplorer);

/*
 * app-data-loader.js
 */
import {dataLoader} from "nqm-app-framework";

const myPrettyErrorFunk = function() {
  //...
}

const optionsWithError = function(opts, customErrorHandler) {
  return _.extend(opts, {errorHandler: customErrorHandler || myPrettyErrorFunk});
}

export {dataLoader, optionsWithError}