Javiani

export const request = async ( type ) => {

	const endpoint = endpoints[ type ] || type
	const results  = await requestEndpoint([], { endpoint, offset: null })

	return results
}

const requestEndpoint = async ( list = [], { endpoint, offset } ) => {

Javiani

Maybe(() => data.personsFirstName[0].value)
  .then( 
    value => console.log(value),
    error => console.error(error)
  )

Javiani

Maybe(() => data.personsFirstName[0].value)

Javiani

fullname.then(
 name => console.log( name ),
 err  => console.warn( err )
)

// Lastname was not found

Javiani

const lastname  = Maybe(() => data.personsLastName[1].value)
 .catch( _ => Promise.reject('Lastname was not found') )

Javiani

const lastname  = Maybe(() => data.personsLastName[1].value)
 .catch( _ => 'Lastname' )

const fullname = firstname
 .then( fname => middleName.then( mname => `${fname} ${mname}`) )
 .then( name  => lastname.then( lname => `${name} ${lname}` ) )
// 'Marcus Geoffrey Lastname'

Javiani

const fullname = firstname
 .then( fname => middleName.then( mname => `${fname} ${mname}`) )
 .then( name  => lastname.then( lname => `${name} ${lname}` ) )

fullname.then( name => console.log( name ) )

// 'Marcus Geoffrey Johnson'

Javiani

const firstname = Maybe(() => data.personsFirstName[0].value)
 .catch( _ => 'Firstname' )
const middleName = Maybe(() => data.personsMiddleName[0].value)
 .catch( _ => 'Middlename')
const lastname  = Maybe(() => data.personsLastName[0].value)
 .catch( _ => 'Lastname' )

Javiani

const data = {
 personsFirstName :[
  { value : 'Marcus' }
 ],
 personsMiddleName :[
  { value : 'Geoffrey' }
 ],
 personsLastName:[
  { value : 'Johnson' }
 ]

Javiani

Maybe(() => data.personsFirstName[0].value)
  .then( 
    value => console.log(value),
    error => console.error(error)
  )