Function channelFromMap

lib/diagnostics_channel.js:304–318

(nameOrChannels, name, className)

}

function channelFromMap(nameOrChannels, name, className) {
  if (typeof nameOrChannels === 'string') {
    return channel(`tracing:${nameOrChannels}:${name}`);
  }

  if (typeof nameOrChannels === 'object' && nameOrChannels !== null) {
    const channel = nameOrChannels[name];
    assertChannel(channel, `nameOrChannels.${name}`);
    return channel;
  }

  throw new ERR_INVALID_ARG_TYPE('nameOrChannels',
                                 ['string', 'object', className],
                                 nameOrChannels);
}

class BoundedChannelScope {
  #context;