react-icons/fa#FaRegLightbulb JavaScript Examples

Editor = (props) => {

  const socket = props.socket

  // Change theme of editor
  const [theme, setTheme] = useState("dark")
  // Default language JS
  const [language, setLanguage] = useState("javascript")
  // Check if editor is ready
  const [isEditorReady, setIsEditorReady] = useState(false)
  // Send chunks of code on change
  const [message, setMessage] = useState("")
  // Set value of editor
  const [value, setValue] = useState('')
  const [valid, setValid] = useState(false)
  const [sendInitialData, setSendInitialData] = useState(false)
  const [users, setUsers] = useState(0)
  const [title, setTitle] = useState("Untitled")
  const [titleInfo, setTitleInfo] = useState("Untitled")
  const [titleChange, setTitleChange] = useState(false)
  let { id } = useParams();

  // Check if room exists
  useEffect(() => {
    socket.emit('room-id', id)
    setValid(true)
  }, [])

  // Ref for editor
  const editorRef = useRef()

  // Called on initialization, adds ref
  const handleEditorDidMount = (_, editor) => {
    setIsEditorReady(true);
    editorRef.current = editor
  }

  // Called whenever there is a change in the editor
  const handleEditorChange = (ev, value) => {
    // Set value to send over to other sockets
    setMessage(value)
  };

  // For theme of code editor
  const toggleTheme = () => {
    setTheme(theme === "light" ? "dark" : "light")
  }

  // If language changes on one socket, emit to all other
  useEffect(() => {
    socket.emit('language-change', language)
  }, [language])


  // If there is a code change on a socket, emit to all other
  useEffect(() => {
    socket.emit('code-change', message)
    console.log("CODE-CHANGE: " + message)
  }, [message])

  // If there is a title change on a socket, emit to all other
  useEffect(() => {
    console.log("Title Updating")
    socket.emit('title-change', title)
  }, [title])


  // Recieve code, title and language changes
  useEffect(() => {
    socket.on('code-update', (data) => {
      console.log("CODE-UPDATE: " + data)
      setValue(data)
    })
    socket.on('language-update', (data) => {
      setLanguage(data)
    })

    socket.on('title-update', (data) => {
      setTitleInfo(data)
    })

    socket.on('room-check', (data) => {
      if (data === false) {
        setValid(false)
      } else {
        socket.emit('join-room', id)
      }

    })

    socket.on('request-info', (data) => {
      setSendInitialData(true)
    })

    // Triggered if new user joins
    socket.on('accept-info', (data) => {
      console.log(data)
      setTitleInfo(data.title)
      setLanguage(data.language)
    })

    // Update participants
    socket.on('joined-users', (data) => {
      setUsers(data)
    })

  }, [])


  // If a new user join, send him current language and title used by other sockets.
  useEffect(() => {
    if (sendInitialData == true) {
      socket.emit('user-join', { title: title, language: language })
      setSendInitialData(false)
    }
  }, [sendInitialData])

  const languages = ["javascript", "python", "c++", "c", "java", "go"]

  const changeLanguage = (e) => {
    setLanguage(languages[e.target.value])
  }

  const titleUpdating = (e) => {
    setTitleInfo(e.target.value)
    setTitleChange(true)
  }

  const titleUpdated = (e) => {
    setTitle(titleInfo)
    setTitleChange(false)
  }

  const renderTrue = () => {
    return (
      <>
      <BrowserView>
        <div className="navBar">

          <div className={theme === "light" ? 'listButton-light' : 'listButton-dark'}>
            <Link to="/" className="logoEditor">CodeLive</Link>
            {theme === "light" &&
              <FaRegLightbulb className="bulbIcon" onClick={toggleTheme} disabled={!isEditorReady}></FaRegLightbulb>

            }
            {theme !== "light" &&

              <RiSunLine className="sunIcon" onClick={toggleTheme} disabled={!isEditorReady}></RiSunLine>
            }

            <select className={theme === "light" ? 'select-light' : 'select-dark'} onChange={changeLanguage} value="language">
              <option value="-1">Language</option>
              <option value="0">Javascript</option>
              <option value="1">Python</option>
              <option value="2">C++</option>
              <option value="3">C</option>
              <option value="4">Java</option>
              <option value="5">Go</option>
            </select>

            <span className={theme === "light" ? 'language-name-light' : 'language-name-dark'}>{language[0].toUpperCase() + language.substr(1)}</span>
            <span className={theme === "light" ? 'language-name-light' : 'language-name-dark'}>Participants: {users}</span>
            <div className="title-doc">
              <input className={theme === "light" ? 'input-light' : 'input-dark'} type="text" value={titleInfo} onChange={titleUpdating}></input>
            </div>
            {titleChange === true &&
              <RiCheckFill className="checkIcon" onClick={titleUpdated} disabled={!isEditorReady}></RiCheckFill>
            }

          </div>
          
            <ControlledEditor
              height="100vh"
              theme={theme}
              language={language}
              value={value}
              editorDidMount={handleEditorDidMount}
              onChange={handleEditorChange}
              loading={"Loading..."}
            />
          
        </div>
        </BrowserView>
        <MobileView>
          <div className="mobile-notValid">
            <h1>Unfortunately, the code editor doesn't work on mobile. There are bugs that we still need to fix before we provide the mobile functionality.</h1>
            <h1>Kindly use on a Desktop.</h1>
          </div>
        </MobileView>
      </>
    )
  }

  const renderFalse = () => {
    return (
      <>
        <h4>There seems to be no room here.</h4>
      </>
    )
  }
  return (
    <div>
      {valid === true
        ? renderTrue()
        : renderFalse()}
    </div>
  );
}