koss-lebedev

const TextMessage = ({ text }) => {
  return (
    <div>
      <p>{text}</p>
    </div>
  )
}

const ImageMessage = ({ text, imageUrl }) => {
  return (

koss-lebedev

const useActiveUsers = () => {
  const { users } = useUsers()

  const activeUsers = useMemo(() => {
    return getOnlyActive(users)
  }, [users])

  return { activeUsers }
}

koss-lebedev

type Video = {
  title: string
  duration: number
  coverUrl: string
}

type Props = {
  items: Array<Video>
}

koss-lebedev

const UserItem = ({ user }) => {
  return (
    <li>
      <img src={user.avatarUrl} />
      <p>{user.fullName}</p>
      <small>{user.role}</small>
    </li>
  )
}

koss-lebedev

const getOnlyActive = (users) => {
  const weekAgo = new Date()
  weekAgo.setDate(weekAgo.getDate() - 7)
  
  return users.filter(user => !user.isBanned && user.lastActivityAt >= weekAgo)
}

const ActiveUsersList = () => {
  const { users } = useUsers()

koss-lebedev

type Props = {
  onSubmit: (email: string, password: string) => Promise<void>
}

const LoginForm = ({ onSubmit }: Props) => {
  const [email, setEmail] = useState('')
  const [password, setPassword] = useState('')

  const handleSubmit = async (evt) => {
    evt.preventDefault()

koss-lebedev

import api from '~/common/api'

const LoginForm = () => {
  const [email, setEmail] = useState('')
  const [password, setPassword] = useState('')

  const handleSubmit = async (evt) => {
    evt.preventDefault()
    await api.login(email, password)
  }

koss-lebedev

import api from '~/common/api'

const ConnectedLoginForm = () => {
  const handleSubmit = async (email, password) => {
    await api.login(email, password)
  }

  return (
    <LoginForm onSubmit={handleSubmit} />
  )

koss-lebedev

type Props = {
  items: Array<Video | LiveStream>
}

const VideoList = ({ items }) => {
  return (
    <ul>
      {items.map(item => {
        if ('coverUrl' in item) {
          // it's a video

koss-lebedev

type Props = {
  coverUrl: string
}

const Thumbnail = ({ coverUrl }: Props) => {
  return <img src={coverUrl} />
}