This is an ember-cli wrapper for Chartist. It allows you to render Chartist charts in your templates using components.
- You should probably not use this addon as Chartist is not maintained.
- Per the previous this package is also in maintenance mode only
- Consider easing your upgrade burden by copying the component code to your application (along with the license) as this is MIT licensed.
- Ember.js v3.20 or above
- Ember CLI v3.20 or above
- ember-auto-import v2 required
- Node.js v12 or above
In an existing ember-cli project. Install with:
ember install ember-cli-chartistIn the template where you want the chart to appear:
datais an optional attribute. Its value should be an object. Check the Chartist docs for expected data structure.typeis a required attribute. It can be any of the recognized chat types.
The data can be specified in an Ember route or controller. In the example above it's coming from the model which is defined in the route.
/app/routes/application.js
import Route from '@ember/routing/route';
export default class ApplicationRoute extends Route {
model() {
return {
chartData: {
labels: ['Day1', 'Day2', 'Day3'],
series: [
[5, 4, 8],
[10, 2, 7],
[8, 3, 6],
],
},
};
}
}There are three types of charts; line, bar, and pie. The default is line. You can change the chart type using the type attribute.
/app/templates/application.hbs
Chartist charts scale up and down in size. They do so at specified ratios. You can change the ratio using the ratio attribute.
/app/templates/application.hbs
See Chartist docs for the full list of ratios and info on how to create your own.
Chartist charts have a whole bunch of cool configuration options. You can pass
those to the chartist-chart components with the options attribute. You'll
need to create the options object in a similar way as you do for the data
attribute object.
/app/templates/application.hbs
/app/controllers/application.js
import Controller from '@ember/controller';
export default ApplicationController extends Controller {
chartOptions = {
showArea: true,
lineSmooth: false,
axisX: {
showGrid: false
}
};
};See the Chartist docs for all available config options. There's bunch of good-uns!
You can also configure your charts based on media queries. The same
configuration options are available, but you provide them via the responsiveOptions
attribute. They can be used in tandem with standard options.
/app/controllers/application.js
import Controller from '@ember/controller';
export default ApplicationController extends Controller {
chartResOptions = [
['screen and (min-width: 640px)', {
showArea: true,
lineSmooth: false,
axisX: {
showLabel: false
}
}]
];
};There are other ways to configure chartist-chart components that are specific to the addon.
updateOnData: By default, when the data associated with a chartist-chart is
changed, the chart will be updated to reflect the data. That can be turned off
by setting updateOnData to false. Note: If you use this option, you will have
to manually draw and redraw the chart using Chartist methods.
If you want to use custom CSS you can tell the addon to not include the compiled version.
In your app's ember-cli-build.js:
let app = new EmberApp({
'ember-cli-chartist': {
useCustomCSS: true,
},
});If you use custom CSS, you'll likely want to import the Chartist Scss into your app's scss, you will need to install ember-cli-sass. You can then import the Chartist scss with:
In app.scss
@import 'chartist/chartist.scss';you can also import the Chartist settings scss:
@import 'chartist/chartist-settings.scss';For more on custom styles see the Chartist docs
Care has been taken to provide as many knobs and parameters as you'd need to NOT
extend the <ChartistChart component. Pass in data you need. The component does
yield its template above the chart.
Should you find yourself needing to extend the base class please open an issue.
- Add the plugin of your choice to your dependencies, e.g.
yarn add -D chartist-plugin-fill-donut - In
ember-cli-build.jsimport your plugin, e.g.app.import('node_modules/chartist-plugin-fill-donut/dist/chartist-plugin-fill-donut.js'); - In your
chartOptionsobject add the plugin, e.g.
chartOptions = {
plugins: [
Chartist.plugins.fillDonut({
// config of plugin
}),
],
};There is an example app included in this repo in /tests/dummy/. It contains examples of most of the functionality described above. To view those
examples you'll need to clone this repo and start the Ember cli server.
git clone https://github.com/jherdman/ember-cli-chartist.git
cd ember-cli-chartist
ember serveThe example app will be running at http://localhost:4200
Asserting on characteristics of your chart is kind of hard as it's an SVG rendering. Tools like Percy may be of help with ensuring your chart looks the way it should. We do have an issue open and are interested in pull requests to help with this matter.
Consider, however, that your chart may be difficult to read for people that are visually impaired. Consider implementing an accessible data table — these are vastly easier to make assertions on. Note that we do not provide tooling for this as it's out of scope for this library, and is probably too close to your business domain to meaningfully abstract.
See the Contributing guide for details.
This project is licensed under the MIT License.
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