[Chartjs]-React render Chart.js based on api response

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You have to control your state like below:

var App = React.createClass({
    getInitialState: function(){
        return {
            names: [],
            isLoaded: false
        }
    },
    componentDidMount: function() {
        $.get(url, function (data) {
            this.setState({ 
                names: data,
                isLoaded: true
            })
        }.bind(this));
    },
    render: function() {
        return(
            <div>
                {this.state.isLoaded ? <Graph names={this.state.names}/> : <div>Still Loading... </div> }
            </div>
        )
    }
});

So once you get all your data you can render your chart otherwise show the loading screen. Take a look at this Link probably it will be helpfull for you. Hope it makes sense for you.

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