Chart.js support
2 mins read ·
Add support for Chart.js via shortcodes.
shortcodes
Create chart.html
in \layouts\shortcodes
with following content
{{ $w := default "100" (.Get 0) }}
{{ $h := default "300" (.Get 1) }}
{{ $r := ( .Inner | chomp) }}
{{ $seed := "foo" }}
{{ $id := delimit (shuffle (split (md5 $seed) "" )) "" }}
<div style="width: {{ $w }}%;height: {{ $h }}px;margin: 0 auto">
<canvas id="{{ $id }}"></canvas>
</div>
<script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.1/dist/chart.umd.min.js"></script>
<!-- Previous url does not work.
<script src="https://cdn.jsdelivr.net/npm/chart.js/dist/chart.min.js"></script>
-->
<script type="text/javascript">
var ctx = document.getElementById('{{ $id }}').getContext('2d');
var options = {{ $r | safeJS }};
new Chart(ctx, options);
</script>
as provided by Eric Shen with change of script url.
result
usage
{{< chart >}}
type: 'bar',
data: {
labels: ['Red', 'Blue', 'Yellow', 'Green', 'Purple', 'Orange'],
datasets: [{
label: 'Bar Chart',
data: [12, 19, 18, 16, 13, 14],
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: {
maintainAspectRatio: false,
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}]
}
}
}
{{< /chart >}}