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View Example

Install Scripts

NPM: npm install entity-signal or download from GitHub

Add Javascript Files To Html After SignalR

<script src="https://cdn.jsdelivr.net/npm/@aspnet/signalr@1.1.2/dist/browser/signalr.min.js"></script>
<script src="~/dist/entitySignal.js"></script>

Connect to Server and Enable Return Deep Copy

var client = new EntitySignal.Client();
client.options.returnDeepCopy = true;
client.connect();

Create New Component (Example uses .jsx)

class DataSyncTest extends React.Component {
  onDataChangeId: any;

  constructor(props) {
    super(props);
    this.state = {
      messages: []
    };
  }

  componentDidMount() {
    client.syncWith(this.props.url)
      .then(x => {
        this.setState({
          messages: x
        });
      });

    this.onDataChangeId = client.onDataChange(this.props.url, urlData => {
      this.setState({
        messages: urlData
      })
    })
  }

  componentWillUnmount() {
    client.offDataChange(this.props.url, this.onDataChangeId);
  }

  render() {
    if (this.state.messages) {
       return;
    }

    const messagesDisplay = this.state.messages.map((message) =>
      <pre key={message.id.toString()}>
        {JSON.stringify(message, null, 2)}
      </pre>
    );

    return (
      <div>{messagesDisplay}</div>
    );
  }
}