zweiundeins

ECharts

Component

About

A themeable Apache ECharts wrapper that draws a chart from a plain option object, auto-colors it from your design tokens and theme changes, formats numbers/dates in the current locale, keeps the legend and zoom slider clear of the axes, and supports keyboard navigation. Ported to React from zweiundeins/starbase's `<sb-echarts>` web component (MIT), itself ported from Libretto's `<tco-chart>`.

Built with React and Tailwind. Copy the prompt and paste it into Claude Code, Cursor or Lovable: your agent adds ECharts to your project and fits it to your theme.

Code

How ECharts is used: the demo's code. The component's own source comes with a free account.

Usage.tsx

"use client";

import EChart from "@/components/ui/echarts";

export default function EChartPieDemo() {
  return (
    <div
      className="w-full h-full flex items-center justify-center p-6"
      style={{ background: "var(--background)" }}
    >
      <div className="w-full max-w-md" style={{ height: "300px" }}>
        <EChart
          option={{
            tooltip: { trigger: "item" },
            series: [
              {
                type: "pie",
                radius: ["45%", "70%"],
                data: [
                  { name: "Hydrogen", value: 74 },
                  { name: "Helium", value: 24 },
                  { name: "Everything else", value: 2 },
                ],
              },
            ],
          }}
        />
      </div>
    </div>
  );
}

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