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Line chart

Custom Label Line Chart

Line chart with custom formatted labels using data transformation and chart configuration. Built for React applications with Next.js integration and TypeScript support.

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Installation

npx shadcn@latest add https://www.shadcn.io/registry/line-chart-10.json
npx shadcn@latest add https://www.shadcn.io/registry/line-chart-10.json
pnpm dlx shadcn@latest add https://www.shadcn.io/registry/line-chart-10.json
bunx shadcn@latest add https://www.shadcn.io/registry/line-chart-10.json

Features

  • Custom label formatting using formatter function to transform data keys into readable labels
  • Configuration-based labels leveraging chart config for consistent label mapping
  • Browser category display showing human-readable names instead of data keys
  • Natural curve interpolation creating smooth lines between labeled points
  • TypeScript support with complete type definitions for all props
  • shadcn/ui integration using ChartContainer and design tokens

Use Cases

This free open source React component works well for:

  • Category analysis - Display category names instead of technical keys built with Next.js
  • Browser analytics - Show browser labels rather than internal identifiers using TypeScript and Tailwind CSS
  • Platform tracking - Present user-friendly platform names in charts
  • Localized charts - Transform data keys into localized or branded labels

API Reference

ChartLineLabelCustom

PropTypeDefaultDescription
classNamestring-Additional CSS classes for the container

Implementation Notes

  • Uses custom formatter function to transform browser keys into readable labels
  • Leverages chartConfig object for consistent label mapping
  • Labels positioned above points with 12px offset for clarity
  • Font size set to 12px for optimal readability
  • Chart height increased to 270px to accommodate label space
  • Best for categorical data where keys need human-readable transformation