Hello, Welcome

:hover：当鼠标悬停在元素上时应用样式。
:focus：当元素获得焦点时应用样式。
:nth-child(n)：选择某个元素在其父元素中的位置。

::before：在元素内容前插入内容。
::after：在元素内容后插入内容。
::first-letter：选择元素的首字母。

function hasCircularDependency(graph) {
    const visited = new Set();
    const visiting = new Set();

    function visit(node) {
        if (visiting.has(node)) {
            return true; // 发现循环依赖
        }
        if (visited.has(node)) {
            return false; // 已访问该节点，不再检查
        }

        visiting.add(node); // 标记为正在访问
        for (const neighbor of graph[node] || []) {
            if (visit(neighbor)) {
                return true;
            }
        }
        visiting.delete(node); // 访问完成，移除标记
        visited.add(node); // 标记为已访问
        return false;
    }

    for (const node in graph) {
        if (visit(node)) {
            return true;
        }
    }
    return false;
}

// 示例依赖图
const dependencyGraph = {
    A: ['B'],
    B: ['C'],
    C: ['A'], // 循环依赖
};

console.log(hasCircularDependency(dependencyGraph)); // true

import OPPOSansRegular from '@/assets/font/OPPOSans-Regular.woff'
import OPPOSansMedium from '@/assets/font/OPPOSans-Medium.woff'

const ogOptions: SatoriOptions = {
    // debug: true,
    fonts: [
      {
        // data: await fetch('https://dsfs.oppo.com/store/public/font/OPPOSans-Regular.woff').then(res => res.arrayBuffer()),
        data: Buffer.from(OPPOSansRegular),
        name: "OPPOSans-Regular",
        style: "normal",
        weight: 400,
      },
      {
        // data: await fetch('https://dsfs.oppo.com/store/public/font/OPPOSans-Medium.woff').then(res => res.arrayBuffer()),
        data: Buffer.from(OPPOSansMedium),
        name: "OPPOSans-Medium",
        style: "normal",
        weight: 700,
      }
    ],
    height: 630,
    width: 1200,
    embedFont: false
  };
  const svg = await satori(markup(title, postDate), ogOptions);
  const png = new Resvg(svg).render().asPng();