更新任务

docs/.vitepress/theme/utils/handleHeadMeta.ts

@@ -0,0 +1,41 @@
+import { type HeadConfig, type TransformContext } from 'vitepress'
+
+// 处理每个页面的元数据
+export function handleHeadMeta (context: TransformContext) {
+  // 预加载字体
+  const preloadHead: HeadConfig[] = handleFontsPreload(context)
+  
+  return [ ...preloadHead]
+}
+
+export function addBase (relativePath: string) {
+  const host = 'https://duyl328.github.io'
+  if (relativePath.startsWith('/')) {
+    return host + relativePath
+  } else {
+    return host + '/' + relativePath
+  }
+}
+
+export function handleFontsPreload ({ assets }: TransformContext) {
+  // 只预加载正文字体，代码字体不预加载，因为可能不会使用或者很少使用
+  const SourceHanSerifCN = assets.find(
+    file => /SourceHanSerifCN-VF\.\w+\.woff2/)
+  
+  if (SourceHanSerifCN) {
+    return [
+      [
+        'link',
+        {
+          rel: 'preload',
+          href: SourceHanSerifCN,
+          as: 'font',
+          type: 'font/woff2',
+          crossorigin: '',
+        },
+      ],
+    ] as HeadConfig[]
+  }
+  
+  return []
+}