fix: 修复 githubStars.js 被 .gitignore 忽略导致 CI 构建失败的问题

Author: sanbuphy

.gitignore

@@ -35,5 +35,4 @@ debug/
 
 # Temporary scripts and files
 temp/
-docs/.vitepress/*
 docs/__pdf__/

docs/.vitepress/theme/githubStars.js

@@ -0,0 +1,50 @@
+export function initGithubStars(theme) {
+  if (typeof document === 'undefined') return
+
+  const githubLink = theme.value?.socialLinks?.find(
+    (l) => l.icon === 'github' || l.link.includes('github.com')
+  )?.link
+
+  if (!githubLink) return
+
+  const match = githubLink.match(/github\.com\/([^/]+\/[^/]+)/)
+  if (!match) return
+
+  let repoName = match[1].replace(/\.git$/, '').replace(/\/$/, '')
+
+  fetch(`https://api.github.com/repos/${repoName}`)
+    .then((res) => res.json())
+    .then((data) => {
+      if (data.stargazers_count !== undefined) {
+        const stars = data.stargazers_count
+        const formatStars = (num) => (num > 999 ? (num / 1000).toFixed(1) + 'k' : num)
+        const starsText = formatStars(stars)
+
+        const injectStars = () => {
+          document.querySelectorAll('.VPSocialLink[href*="github.com"]').forEach((el) => {
+            if (!el.querySelector('.ct-github-stars')) {
+              const span = document.createElement('span')
+              span.className = 'ct-github-stars'
+              span.textContent = starsText
+
+              el.appendChild(span)
+
+              el.style.width = 'auto'
+              el.style.padding = '0 8px'
+              el.style.textDecoration = 'none'
+              el.style.gap = '6px'
+
+              span.style.fontSize = '13px'
+              span.style.fontWeight = '500'
+              span.style.fontFamily = 'var(--vp-font-family-base)'
+            }
+          })
+        }
+
+        const observer = new MutationObserver(injectStars)
+        observer.observe(document.body, { childList: true, subtree: true })
+        injectStars()
+      }
+    })
+    .catch(console.error)
+}