content: // Copyright (c) 2016-2018 Uber Technologies, Inc.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  import React from 'react';
  import {XYPlot, LineSeriesCanvas, MarkSeriesCanvas} from 'react-vis';
  const k = 100;
  const data = Array(k)
    .fill(0)
    .map((n, x) => ({x, y: x % 2 ? 180 : -180}));
  
  export default class LineSeriesCanvasNearestXYExample extends React.Component {
    state = {
      nearestXY: data[0]
    };
  
    render() {
      const {nearestXY} = this.state;
      return (
        <XYPlot
          width={500}
          height={300}
          domainX={[0, 2 * k]}
          domainY={[-200, 200]}
        >
          {
            <LineSeriesCanvas
              onNearestXY={point => this.setState({nearestXY: point})}
              data={data}
            />
          }
          {
            <MarkSeriesCanvas
              size={5}
              fill={'yellow'}
              stroke={'red'}
              style={{pointerEvents: 'none'}}
              data={[nearestXY]}
            />
          }
        </XYPlot>
      );
    }
  }
  