Jahans3

describe('getCar', () => {
    it('should implement the Vehicle Interface', done => {
        const someCar = CarService.getCar()

        // Ensure someCar implements Vehicle Interface
        implement(Vehicle)(someCar)

        done()
    })
})

Jahans3

const TwitterUser = Interface('TwitterUser')({
  twitterId: type('string'),
  twitterUsername: type('string')
},{
  trim: true,
  extends: User,
  rename: { twitter_id: 'twitterId', twitter_username: 'twitterUsername' }
})

const getUser = () => async dispatch => {

Jahans3

const Ford = {
  seats: 4,
  passengers: [{ name: 'Bobby', height: 175 }, { name: 'Shirley', height: 150 }],
  beep () {
    console.log('Beep beep')
  }
}

const FordCar = implement(Car)(Ford)

Jahans3

const Ford = {
  seats: 4,
  passengers: { name: 'Bobby', height: 175 },
  beep () {
    console.log('Beep beep')
  },
  fuelType: 'diesel'
}

// Bad implementation - throws an error!

Jahans3

// ES6 Modules - recommended
import implement, { Interface, type } from 'implement-js'

// CommonJS
const implementjs = require('implement-js')
const implement = implementjs.default
const { Interface, type } = implementjs

Jahans3

const Car = Interface('Car')({
  seats: type('number'),
  passengers: type('array', [type('object', Passenger)]),
  beep: type('function')
},{
  error: true,
  strict: true
})

Jahans3

class FordCar implements Car {
  int numberOfSeats = 0;

  void soundHorn(int volume) {
    Sounds.soundHorn(volume);
  }
  
  void seats(int number) {
    numberOfSeats = number;
  }

Jahans3

interface Car {
  void soundHorn(int volume)
  
  void seats(int number)
}

Jahans3

import React from 'react'
import PropTypes from 'prop-types'
import { Image, TouchableOpacity } from 'react-native'
import { View, Text } from 'native-base'
import moment from 'moment'

import style from './style'

const Post = ({
  author,

Jahans3

import { Dimensions } from 'react-native'

import defaultStyle from '../../style/index'

const { width } = Dimensions.get('window')

export default {
  containerWrapper: {
    flex: 1
  },