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copilot/legacy/spikes/graphs-fe/chartjs/client/chart.js

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JavaScript
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2016-11-08 16:43:04 +02:00
const buildArray = require('build-array');
const Chart = require('chart.js');
const ReactRedux = require('react-redux');
const React = require('react');
const {
connect
} = ReactRedux;
const Component = React.createClass({
ref: function(name) {
this._refs = this._refs || {};
return (el) => {
this._refs[name] = el;
};
},
fromData: function(data) {
return (data || []).map((d) => {
return d.cpu;
});
},
componentDidMount: function() {
const bars = this.fromData(this.props.data);
this._chart = new Chart(this._refs.component, {
type: 'bar',
data: {
labels: buildArray(bars.length).map((v, i) => ''),
datasets: [{
data: bars
}]
}
});
},
componentWillReceiveProps: function(nextProps) {
const bars = this.fromData(this.props.data);
this._chart.data.labels = buildArray(bars.length).map((v, i) => '');
this._chart.data.datasets[0].data = bars;
this._chart.update(0);
},
render: function() {
return (
<canvas
ref={this.ref('component')}
width='400'
height='400'
/>
);
}
});
const mapStateToProps = ({
data
}) => {
return {
data
};
};
module.exports = connect(
mapStateToProps
)(Component);