Created
November 8, 2018 12:06
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D3 Basic chart
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import React from 'react'; | |
import * as d3 from 'd3'; | |
import './styles.css'; | |
class BarChart extends React.Component { | |
render() { | |
const { data, width, height } = this.props; | |
return ( | |
<React.Fragment> | |
<pre>data: [{data.map((value, i) => <span key={i}>{value}, </span>)}]</pre> | |
<pre>width: {width}</pre> | |
<pre>height: {height}</pre> | |
<div className="simple-chart"></div> | |
</React.Fragment> | |
); | |
} | |
componentDidMount() { | |
this.draw2(); | |
} | |
draw2() { | |
const { data, width, height } = this.props; | |
const scaleFn = d3.scaleLinear() | |
.domain([0, d3.max(data)]) | |
.range([0, height]); | |
d3.select('.simple-chart') | |
.selectAll('div') | |
.data(data) | |
.enter() | |
.append('div') | |
.attr('class', 'simple-chart-item') | |
.style('height', (value) => scaleFn(value) + 'px') | |
.style('width', width / data.length + 'px') | |
.text((data) => data); | |
} | |
} | |
export default BarChart; |
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.simple-chart { | |
display: flex; | |
align-items: flex-end; | |
border: 1px solid red; | |
} | |
.simple-chart-item { | |
background-color: lightgreen; | |
margin: .5rem; | |
border: 1px solid darkgrey; | |
} |
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