function getStatsLogger()

in fusion-cli/build/compiler.js [61:104]

• 38 lines of code
• 7 McCabe index (conditional complexity)

function getStatsLogger({dir, logger, env}) {
  return (err, stats) => {
    // syntax errors are logged 4 times (once by webpack, once by babel, once on server and once on client)
    // we only want to log each syntax error once
    const isProd = env === 'production';

    if (err) {
      logger.error(err.stack || err);
      if (err.details) {
        logger.error(err.details);
      }
      return;
    }

    const file = path.resolve(dir, '.fusion/stats.json');
    const info = stats.toJson({context: path.resolve(dir)});
    fs.writeFile(file, JSON.stringify(info, null, 2), () => {});

    if (stats.hasErrors()) {
      getErrors(info).forEach(e => logger.error(e));
    }
    // TODO(#13): These logs seem to be kinda noisy for dev.
    if (isProd) {
      info.children.forEach(child => {
        child.assets
          .slice()
          .filter(asset => {
            return !asset.name.endsWith('.map');
          })
          .sort((a, b) => {
            return b.size - a.size;
          })
          .forEach(asset => {
            logger.info(`Entrypoint: ${chalk.bold(child.name)}`);
            logger.info(`Asset: ${chalk.bold(asset.name)}`);
            logger.info(`Size: ${chalk.bold(asset.size)} bytes`);
          });
      });
    }
    if (stats.hasWarnings()) {
      getWarnings(info).forEach(e => logger.warn(e));
    }
  };
}