echarts-image
Generate chart images using command line or Node.js API. No need to create a website!
Note: you must have internet access when using this tool, because it loads JS from CDN.
Install
npm i echarts-image
CLI
echarts-image option.json chart.png --width 400 --height 300 --dpr 2
API
import { outputChartImage } from 'echarts-image';
// Check examples from echarts website https://echarts.apache.org/examples/
const option = {
xAxis: {
type: 'category',
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
},
yAxis: {
type: 'value',
},
series: [
{
data: [150, 230, 224, 218, 135, 147, 260],
type: 'line',
},
],
};
outputChartImage(option, 'output.png', { width: 400, height: 300, dpr: 2 });
Options
width
Width of chart in pixel. Default 400
.
height
Height of chart in pixel. Default 300
.
dpr
Device pixel rate. Default 1
.