code: function bemRequireLoader(source) {
    const bemFs = nodeEval(source);
  
    const targets = [];
    const self = this;
    bemFs.forEach((source) => {
      if (source['raw']) {
        targets.push(source['raw']);
      } else if (source['require']) {
        const modulePath = path.resolve(source['require']);
        self.addDependency(modulePath);
        const request = loaderUtils.stringifyRequest(self, modulePath);
        targets.push('require(' + request + ');');
      } else {
        return Error('Wrong input: ' + JSON.stringify(source));
      }
    });
  
    return targets.join('\n');
  }
docs: BemBH loader
  
  @param {String} source
  @return {String}