Performant financial charts built with HTML5 canvas

12.3K stars 2.0K forks 12.3K watchers TypeScript Apache License 2.0
canvas charting charting-library charts finance financial-charting-library html5-charts javascript typescript
2 Open Issues Need Help Last updated: Sep 14, 2025

Open Issues Need Help

View All on GitHub
bug good first issue

Performant financial charts built with HTML5 canvas

TypeScript
#canvas#charting#charting-library#charts#finance#financial-charting-library#html5-charts#javascript#typescript

AI Summary: Debug and fix a bug in the Lightweight Charts library where resetting the `priceFormatter` to `undefined` does not remove the custom formatter, as expected. This involves analyzing the provided code sandbox, understanding the chart's internal state management, and modifying the library's code or its usage to correctly reset the formatter.

Complexity: 4/5
bug help wanted

Performant financial charts built with HTML5 canvas

TypeScript
#canvas#charting#charting-library#charts#finance#financial-charting-library#html5-charts#javascript#typescript