feat(seo): 结构化数据/每页元数据/列表页metadata/hreflang修正/OG分享图

- 详情页注入 Article+BreadcrumbList JSON-LD，工具页 SoftwareApplication - 课程/技能/文章/练习动态 generateMetadata(canonical/OG) - 新增 skills/contents/practices/prompts/models 列表页 metadata - 修正 hreflang(删除不存在的/en)，用 next/og 生成 OG 分享图
2026-07-11 17:23:56 +08:00
parent 8f13604e0e
commit 09bf329544
14 changed files with 389 additions and 28 deletions
@@ -0,0 +1,59 @@
+import { SITE_URL } from './config';
+
+export function absoluteUrl(path: string): string {
+  if (/^https?:\/\//.test(path)) return path;
+  return `${SITE_URL}${path.startsWith('/') ? '' : '/'}${path}`;
+}
+
+export function articleJsonLd(data: {
+  headline: string;
+  description?: string;
+  url: string;
+  datePublished?: string;
+  image?: string;
+  authorName?: string;
+}) {
+  return {
+    '@context': 'https://schema.org',
+    '@type': 'Article',
+    headline: data.headline,
+    description: data.description || '',
+    url: data.url,
+    ...(data.datePublished ? { datePublished: data.datePublished } : {}),
+    author: { '@type': 'Organization', name: data.authorName || '宇之然 AI', url: SITE_URL },
+    publisher: {
+      '@type': 'Organization',
+      name: '宇之然 AI',
+      url: SITE_URL,
+      logo: { '@type': 'ImageObject', url: `${SITE_URL}/favicon.png` },
+    },
+    ...(data.image ? { image: data.image } : {}),
+  };
+}
+
+export function softwareAppJsonLd(data: { name: string; description?: string; url: string }) {
+  return {
+    '@context': 'https://schema.org',
+    '@type': 'SoftwareApplication',
+    name: data.name,
+    description: data.description || '',
+    url: data.url,
+    applicationCategory: 'UtilitiesApplication',
+    operatingSystem: 'Web',
+    offers: { '@type': 'Offer', price: '0', priceCurrency: 'CNY' },
+    publisher: { '@type': 'Organization', name: '宇之然 AI', url: SITE_URL },
+  };
+}
+
+export function breadcrumbJsonLd(items: { name: string; url: string }[]) {
+  return {
+    '@context': 'https://schema.org',
+    '@type': 'BreadcrumbList',
+    itemListElement: items.map((it, i) => ({
+      '@type': 'ListItem',
+      position: i + 1,
+      name: it.name,
+      item: it.url,
+    })),
+  };
+}