chartjs-plugins

To create a custom Chart.js plugin, define an object with lifecycle hooks such as init, update, render, and destroy, then register it as an inline, shared, or global plugin.

Chart.js plugin lifecycle hooks are functions triggered at different chart stages: init, update, render, event, and destroy. They let you inject custom logic for canvas backgrounds, borders, or interactivity.

To display a no data message for an empty Chart.js chart, you build a custom plugin using the render hook to check for empty datasets and draw a message onto the canvas. This skill provides examples for this pattern.

Yes, the guidance for creating Chart.js plugins includes TypeScript support, covering type definitions and configuration alongside best practices for performance and error handling.

Inline Chart.js plugins are defined directly in a chart config, shared plugins are reusable objects passed to multiple charts, and global plugins are registered once to apply across all charts automatically.

Yes, you can add a custom canvas background or watermark to Chart.js by creating a plugin that hooks into the render cycle to draw visual elements behind or over the chart area.