congo/exampleSite/content/samples/charts.md

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---
title: "Charts"
date: 2019-03-06
description: "Guide to Chart.js usage in Congo"
summary: "Congo includes Chart.js for powerful charts and data visualisations."
tags: ["chart", "sample", "graph"]
---
Congo includes support for Chart.js using the `chart` shortcode. Simply wrap the chart markup within the shortcode. Congo automatically themes charts to match the configured `colorScheme` parameter, however the colours can be customised using normal Chart.js syntax.
Refer to the [chart shortcode]({{< ref "docs/shortcodes#chart" >}}) docs for more details.
The examples below are a small selection taken from the [official Chart.js docs](https://www.chartjs.org/docs/latest/samples). You can also [view the page source](https://raw.githubusercontent.com/jpanther/congo/dev/exampleSite/content/samples/charts.md) on GitHub to see the markup.
## Bar chart
<!-- prettier-ignore-start -->
{{< chart >}}
type: 'bar',
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'My First Dataset',
data: [65, 59, 80, 81, 56, 55, 40],
backgroundColor: [
'rgba(255, 99, 132, 0.2)',
'rgba(255, 159, 64, 0.2)',
'rgba(255, 205, 86, 0.2)',
'rgba(75, 192, 192, 0.2)',
'rgba(54, 162, 235, 0.2)',
'rgba(153, 102, 255, 0.2)',
'rgba(201, 203, 207, 0.2)'
],
borderColor: [
'rgb(255, 99, 132)',
'rgb(255, 159, 64)',
'rgb(255, 205, 86)',
'rgb(75, 192, 192)',
'rgb(54, 162, 235)',
'rgb(153, 102, 255)',
'rgb(201, 203, 207)'
],
borderWidth: 1
}]
}
{{< /chart >}}
<!-- prettier-ignore-end -->
## Line chart
<!-- prettier-ignore-start -->
{{< chart >}}
type: 'line',
data: {
labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
datasets: [{
label: 'My First Dataset',
data: [65, 59, 80, 81, 56, 55, 40],
tension: 0.2
}]
}
{{< /chart >}}
<!-- prettier-ignore-end -->
## Doughnut chart
<!-- prettier-ignore-start -->
{{< chart >}}
type: 'doughnut',
data: {
labels: ['Red', 'Blue', 'Yellow'],
datasets: [{
label: 'My First Dataset',
data: [300, 50, 100],
backgroundColor: [
'rgba(255, 99, 132, 0.7)',
'rgba(54, 162, 235, 0.7)',
'rgba(255, 205, 86, 0.7)'
],
hoverOffset: 4
}]
}
{{< /chart >}}
<!-- prettier-ignore-end -->