How to use

reject

function

in

CollectionChain

Promise
 .all([
  queryCollaborators({ repositoryOwner, repositoryName }),
  queryCommits({ repositoryOwner, repositoryName, since })
 ])
 .then(results => {
  const collaborators = _.keyBy(results[0], 'login')

  return _.chain(results[1])
   .map('author.user')
   .reject(_.isEmpty)
   .groupBy('login')
   .map(group => _.defaults({ commits: _.size(group) }, _.head(group)))
   .filter(user => _.isEmpty(collaborators[user.login]))
   .value()
 })
 .then(res => formatOutput(res))
 .catch(err => console.log(err))

Promise
 .all([
  queryCollaborators({ repositoryOwner, repositoryName }),
  queryCommits({ repositoryOwner, repositoryName, since })
 ])
 .then(results => {
  const collaborators = _.keyBy(results[0], 'login')

  return _.chain(results[1])
   .map('author.user')
   .reject(_.isEmpty)
   .groupBy('login')
   .map(group => _.defaults({ commits: _.size(group) }, _.head(group)))
   .filter(user => _.isEmpty(collaborators[user.login]))
   .value()
 })
 .then(res => formatOutput(res))
 .catch(err => console.log(err))