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SKILL verified Apache-2.0 Self-run

Devlab Web Echarts Usage

skill-seed-forge-harness-ai-kit-devlab-web-echarts-usage · by seed-forge

ECharts 在 Astro/前端项目中的完整集成指南,包含 tree-shaking、IntersectionObserver 按需加载、自定义系列集成、拓扑图实现、雷达图配置、Astro Islands 数据传递、调试经验。

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Install

$ agentstack add skill-seed-forge-harness-ai-kit-devlab-web-echarts-usage

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

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Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

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About

devlab-web-echarts-usage

用途

ECharts 在 Astro/前端项目中的完整集成指南,包含 tree-shaking、IntersectionObserver 按需加载、自定义系列集成、拓扑图实现、雷达图配置、调试经验。

适用场景

  • 在 Astro/React/Vue 项目中引入 ECharts 图表
  • 需要 tree-shaking 以避免全量 300KB 加载
  • 需要 IntersectionObserver 按需加载(视口进入才加载)
  • 实现 force-directed 拓扑图、雷达图、散点图等
  • 处理 ECharts 在 Astro Islands 模式下的数据传递

核心概念

Tree-Shaking 导入

ECharts 必须使用 tree-shaking 导入,否则会加载全量 ~300KB:

// ✅ 正确:只导入需要的子模块
import * as echarts from "echarts/core";
import { RadarChart, ScatterChart, EffectScatterChart } from "echarts/charts";
import { TooltipComponent, LegendComponent, GridComponent } from "echarts/components";
import { CanvasRenderer } from "echarts/renderers";

echarts.use([RadarChart, ScatterChart, EffectScatterChart, TooltipComponent, LegendComponent, GridComponent, CanvasRenderer]);

// ❌ 错误:全量导入
import * as echarts from "echarts";

Astro Islands 数据传递

Astro 组件通过 data-* 属性传递数据到客户端脚本:


const container = document.querySelector('.chart');
const scores = JSON.parse(container.dataset.scores);
// 使用 scores 初始化 ECharts...

IntersectionObserver 按需加载

图表不在首屏时,延迟加载以减少首屏 JS payload:

export function observeChart(container, onReady) {
  const observer = new IntersectionObserver((entries) => {
    for (const entry of entries) {
      if (entry.isIntersecting) {
        observer.unobserve(container);
        const chart = echarts.init(container);
        if (chart) onReady(chart);
      }
    }
  }, { rootMargin: "200px" });
  observer.observe(container);
}

实现流程

  1. 确定目标图表类型(雷达图/拓扑图/折线图等)
  2. 配置 tree-shaking imports(echarts/charts + echarts/components)
  3. 设置 IntersectionObserver 按需加载
  4. 实现图表渲染 + 响应式 resize
  5. 处理 Astro Islands 集成(客户端脚本 + 数据传递)
  6. 处理 prefers-reduced-motion 降级

推荐输出格式

执行完毕后输出极简回执:状态(✅ 成功 / ⚠️ 部分成功 / ❌ 失败)+ 关键结果(1-2 行,如操作对象、产出位置、下一步)。无需强制套用大表格。

约束

  • MUST 使用 ECharts tree-shaking(非全量 300KB)
  • MUST IntersectionObserver 按需加载
  • MUST 处理 prefers-reduced-motion 降级(显示静态数据或简化图表)
  • MUST NOT 在 SSR 阶段执行 ECharts 初始化(仅 client-side)

参考

参考文档:

  • references/REFERENCE-README.md

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.