fbredius/storybook

import { logger, instance as npmLog } from '@storybook/node-logger';
import dedent from 'ts-dedent';

export const buildStandaloneErrorHandler = (error: any): any => {
  // Duplicate code for Standalone error handling
  // Source: https://github.com/storybookjs/storybook/blob/39c7ba09ad84fbd466f9c25d5b92791a5450b9f6/lib/core-server/src/build-dev.ts#L136
  npmLog.heading = '';

  if (error instanceof Error) {
    if ((error as any).error) {
      logger.error((error as any).error);
    } else if ((error as any).stats && (error as any).stats.compilation.errors) {
      (error as any).stats.compilation.errors.forEach((e: any) => logger.plain(e));
    } else {
      logger.error(error as any);
    }
  } else if (error.compilation?.errors) {
    error.compilation.errors.forEach((e: any) => logger.plain(e));
  }

  logger.line();
  return error.close
    ? dedent`
    FATAL broken build!, will close the process,
    Fix the error below and restart storybook.
  `
    : dedent`
    Broken build, fix the error above.
    You may need to refresh the browser.
  `;
};