In this section, we will create a line chart component using Chartist, which will display the open task progress of projects over time. To do this, we'll use a line chart with a specific interpolation that provides quantized steps, rather than lines with directly connected points.
We will also provide some interactivity, so that the user will be able to switch the displayed timeframe by using a toggle button. This will allow us to reuse the toggle UI component that we created in Chapter 2, Ready, Set, Go!