ECharts Sankey Chart

Component 3

About

A flow diagram chart built on Apache ECharts that visualizes how a quantity moves between stages (e.g. funnel or budget flows) through animated, colored nodes and links.

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

Code

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

Usage.tsx

"use client";

import {
  EChartsSankeyChart,
  type SankeyData,
  type ChartConfig,
} from "@/components/ui/echarts-sankey-chart";

// Sales report data with solid colors
const data: SankeyData = {
  nodes: [
    { name: "CRT_L" }, // Left CRT
    { name: "PPT_L" }, // Left PPT
    { name: "DMG_L" }, // Left DMG
    { name: "PPT_M" }, // Middle PPT
    { name: "DMG_M" }, // Middle DMG
    { name: "CRT_R" }, // Right CRT
    { name: "PPT_R" }, // Right PPT
    { name: "DMG_R" }, // Right DMG
  ],
  links: [
    // From left CRT to middle nodes
    { source: 0, target: 3, value: 800 },
    { source: 0, target: 4, value: 502 },

    // From left PPT to middle nodes
    { source: 1, target: 3, value: 1500 },
    { source: 1, target: 4, value: 1498 },

    // From left DMG to middle nodes
    { source: 2, target: 3, value: 3931 },
    { source: 2, target: 4, value: 1612 },

    // From middle PPT to right nodes
    { source: 3, target: 5, value: 2000 },
    { source: 3, target: 6, value: 2091 },
    { source: 3, target: 7, value: 1840 },

    // From middle DMG to right nodes
    { source: 4, target: 5, value: 1991 },
    { source: 4, target: 7, value: 1158 },
  ],
};

const chartConfig = {
  CRT_L: {
    label: "CRT",
    colors: {
      light: ["#a3a3a3"], // lighter than #525252
      dark: ["#525252"],
    },
  },
  PPT_L: {
    label: "PPT",
    colors: {
      light: ["#d1b3ff"], // lighter than #8b5cf6
      dark: ["#8b5cf6"],
    },
  },
  DMG_L: {
    label: "DMG",
    colors: {
      light: ["#a3a3a3"], // lighter than #404040
      dark: ["#404040"],
    },
  },
  PPT_M: {
    label: "PPT",
    colors: {
      light: ["#c4b5fd"], // lighter than #7c3aed
      dark: ["#7c3aed"],
    },
  },
  DMG_M: {
    label: "DMG",
    colors: {
      light: ["#67e8f9"], // lighter than #06b6d4
      dark: ["#06b6d4"],
    },
  },
  CRT_R: {
    label: "CRT",
    colors: {
      light: ["#6ee7b7"], // lighter than #10b981
      dark: ["#10b981"],
    },
  },
  PPT_R: {
    label: "PPT",
    colors: {
      light: ["#a3a3a3"], // lighter than #525252
      dark: ["#525252"],
    },
  },
  DMG_R: {
    label: "DMG",
    colors: {
      light: ["#a3a3a3"], // lighter than #404040
      dark: ["#404040"],
    },
  },
} satisfies ChartConfig;

export default function EChartsExampleSankeyChart() {
  return (
    <div className="w-full h-screen">
      <EChartsSankeyChart
        className="h-full w-full p-4"
        data={data}
        config={chartConfig}
        nodeWidth={80}
        nodePadding={24}
      >
        <EChartsSankeyChart.Node isClickable radius={4}>
          <EChartsSankeyChart.NodeLabel
            position="inside"
            valueFormatter={(value) => value.toLocaleString()}
          />
        </EChartsSankeyChart.Node>
        <EChartsSankeyChart.Link variant="source" verticalPadding={8} />
        <EChartsSankeyChart.Tooltip />
      </EChartsSankeyChart>
    </div>
  );
}