. If you transform your data, mutating (instead of pushing new data) it is the best method, if you implement your own watcher. In Chart.js you can define global and inline plugins. # Getting Started # Introduction. Create a line chart that displays your income and expenses fdaily. It's perfect for people who need simple charts up and running as fast as possible. This is a final working example from my tutorial: Vue Chart Component with Chart.js. Frappe Charts supports a variety of other types of charts - pie charts, bar charts, percentage charts, heatmaps, and advanced line and mixed charts… 4.