code: function removeExcludedModules(modules, packageForceExcludes, log) {
    const excludedModules = _.remove(modules, externalModule => {   // eslint-disable-line lodash/prefer-immutable-method
      const splitModule = _.split(externalModule, '@');
      // If we have a scoped module we have to re-add the @
      if (_.startsWith(externalModule, '@')) {
        splitModule.splice(0, 1);
        splitModule[0] = '@' + splitModule[0];
      }
      const moduleName = _.first(splitModule);
      return _.includes(packageForceExcludes, moduleName);
    });
  
    if (log && !_.isEmpty(excludedModules)) {
      this.serverless.cli.log(`Excluding external modules: ${_.join(excludedModules, ', ')}`);
    }
  }
docs: Remove a given list of excluded modules from a module list
  @this - The active plugin instance