node-echarts-canvas

Echarts server side render by node canvas, generate chart image by Echarts. 使用NodeJs服务器端渲染echarts图表，生成图片格式。

forked from https://github.com/hellosean1025/node-echarts , 2 changes:

1. update echarts version
2. change canvas-prebuilt to canvas, canvas-prebuilt was officially deprecated

Install

OS | Command ----- | ----- OS X | brew install pkg-config cairo pango libpng jpeg giflib Ubuntu | sudo apt-get install libcairo2-dev libjpeg8-dev libpango1.0-dev libgif-dev build-essential g++ Fedora | sudo yum install cairo cairo-devel cairomm-devel libjpeg-turbo-devel pango pango-devel pangomm pangomm-devel giflib-devel Solaris | pkgin install cairo pango pkg-config xproto renderproto kbproto xextproto Windows | Instructions on our wiki

npm install node-echarts-canvas

Usage

var echarts = require('node-echarts-canvas');
var config = {
    width: 500, // Image width, type is number.
    height: 500, // Image height, type is number.
    option: {}, // Echarts configuration, type is Object.
    //If the path  is not set, return the Buffer of image.
    path:  '', // Path is filepath of the image which will be created.
    enableAutoDispose: true  //Enable auto-dispose echarts after the image is created.
}

echarts(config)

Config

|name|type|default|description| |---|---|---|---| |width|Number|500|Image width| |height|Number|500|Image height| |option|Object|{}|Echarts Options| |path|String|-|Path is filepath of the image which will be created. If the path is empty, return buffer.| |enableAutoDispose|Boolean|true|Enable auto-dispose echarts after the image is created.|