function overrideConfigWithArguments()

in packages/metro-config/src/loadConfig.js [197:260]

• 48 lines of code
• 15 McCabe index (conditional complexity)

function overrideConfigWithArguments(
  config: ConfigT,
  argv: YargArguments,
): ConfigT {
  // We override some config arguments here with the argv

  const output: InputConfigT = {
    resolver: {},
    serializer: {},
    server: {},
    transformer: {},
  };

  if (argv.port != null) {
    output.server.port = Number(argv.port);
  }

  if (argv.runInspectorProxy != null) {
    output.server.runInspectorProxy = Boolean(argv.runInspectorProxy);
  }

  if (argv.projectRoot != null) {
    output.projectRoot = argv.projectRoot;
  }

  if (argv.watchFolders != null) {
    output.watchFolders = argv.watchFolders;
  }

  if (argv.assetExts != null) {
    output.resolver.assetExts = argv.assetExts;
  }

  if (argv.sourceExts != null) {
    output.resolver.sourceExts = argv.sourceExts;
  }

  if (argv.platforms != null) {
    output.resolver.platforms = argv.platforms;
  }

  if (argv['max-workers'] != null || argv.maxWorkers != null) {
    output.maxWorkers = Number(argv['max-workers'] || argv.maxWorkers);
  }

  if (argv.transformer != null) {
    output.transformer.babelTransformerPath = argv.transformer;
  }

  if (argv['reset-cache'] != null) {
    output.resetCache = argv['reset-cache'];
  }

  if (argv.resetCache != null) {
    output.resetCache = argv.resetCache;
  }

  if (argv.verbose === false) {
    output.reporter = {update: () => {}};
    // TODO: Ask if this is the way to go
  }

  return mergeConfig(config, output);
}