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September 16, 2016 23:22
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Trying to use Chart.js sever-side
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var Canvas = require('canvas') | |
, Image = Canvas.Image; | |
var fs = require('fs'); | |
var jsdom = require("jsdom"); | |
jsdom.defaultDocumentFeatures = { | |
FetchExternalResources: ["script"], | |
ProcessExternalResources: true | |
}; | |
global.Canvas = Canvas; | |
global.Image = Canvas.Image; | |
jsdom.env('<div id="chart-div" style="font-size:12; width:800px; height:800px;"><canvas id="myChart" width="400" height="400"></canvas>></div>', | |
['https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.2.2/Chart.js'], | |
function (err, window) { | |
global.window = window; | |
global.document = window.document; | |
var canvas = document.getElementById('myChart'); | |
var ctx = canvas.getContext('2d'); | |
var myChart = new window.Chart(ctx, { | |
type: 'bar', | |
data: { | |
labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"], | |
datasets: [{ | |
label: '# of Votes', | |
data: [12, 19, 3, 5, 2, 3], | |
backgroundColor: [ | |
'rgba(255, 99, 132, 0.2)', | |
'rgba(54, 162, 235, 0.2)', | |
'rgba(255, 206, 86, 0.2)', | |
'rgba(75, 192, 192, 0.2)', | |
'rgba(153, 102, 255, 0.2)', | |
'rgba(255, 159, 64, 0.2)' | |
], | |
borderColor: [ | |
'rgba(255,99,132,1)', | |
'rgba(54, 162, 235, 1)', | |
'rgba(255, 206, 86, 1)', | |
'rgba(75, 192, 192, 1)', | |
'rgba(153, 102, 255, 1)', | |
'rgba(255, 159, 64, 1)' | |
], | |
borderWidth: 1 | |
}] | |
}, | |
options: { | |
width: 400, | |
height: 400, | |
animation: false, | |
scales: { | |
yAxes: [{ | |
ticks: { | |
beginAtZero:true | |
} | |
}] | |
} | |
} | |
}); | |
} | |
); |
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